| 1 | /* $Id: kWorker.c 2876 2016-09-05 10:10:23Z bird $ */
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| 2 | /** @file
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| 3 | * kWorker - experimental process reuse worker for Windows.
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| 4 | *
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| 5 | * Note! This module must be linked statically in order to avoid
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| 6 | * accidentally intercepting our own CRT calls.
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| 7 | */
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| 8 |
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| 9 | /*
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| 10 | * Copyright (c) 2016 knut st. osmundsen <bird-kBuild-spamx@anduin.net>
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| 11 | *
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| 12 | * This file is part of kBuild.
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| 13 | *
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| 14 | * kBuild is free software; you can redistribute it and/or modify
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| 15 | * it under the terms of the GNU General Public License as published by
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| 16 | * the Free Software Foundation; either version 3 of the License, or
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| 17 | * (at your option) any later version.
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| 18 | *
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| 19 | * kBuild is distributed in the hope that it will be useful,
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| 20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 22 | * GNU General Public License for more details.
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| 23 | *
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| 24 | * You should have received a copy of the GNU General Public License
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| 25 | * along with kBuild. If not, see <http://www.gnu.org/licenses/>
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| 26 | *
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| 27 | */
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| 28 |
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| 29 |
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| 30 | /*********************************************************************************************************************************
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| 31 | * Header Files *
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| 32 | *********************************************************************************************************************************/
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| 33 | #include <k/kHlp.h>
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| 34 | #include <k/kLdr.h>
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| 35 |
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| 36 | #include <stdio.h>
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| 37 | #include <intrin.h>
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| 38 | #include <setjmp.h>
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| 39 | #include <ctype.h>
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| 40 |
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| 41 | #include "nt/ntstat.h"
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| 42 | #include "kbuild_version.h"
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| 43 | /* lib/nt_fullpath.c */
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| 44 | extern void nt_fullpath(const char *pszPath, char *pszFull, size_t cchFull);
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| 45 |
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| 46 | #include "nt/ntstuff.h"
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| 47 |
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| 48 | #include "nt/kFsCache.h"
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| 49 | #include "quote_argv.h"
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| 50 |
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| 51 |
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| 52 | /*********************************************************************************************************************************
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| 53 | * Defined Constants And Macros *
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| 54 | *********************************************************************************************************************************/
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| 55 | /** String constant comma length. */
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| 56 | #define TUPLE(a_sz) a_sz, sizeof(a_sz) - 1
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| 57 |
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| 58 | /** @def KW_LOG
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| 59 | * Generic logging.
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| 60 | * @param a Argument list for kwDbgPrintf */
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| 61 | #ifndef NDEBUG
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| 62 | # define KW_LOG(a) kwDbgPrintf a
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| 63 | #else
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| 64 | # define KW_LOG(a) do { } while (0)
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| 65 | #endif
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| 66 |
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| 67 |
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| 68 | /** @def KWFS_LOG
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| 69 | * FS cache logging.
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| 70 | * @param a Argument list for kwDbgPrintf */
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| 71 | #ifndef NDEBUG
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| 72 | # define KWFS_LOG(a) kwDbgPrintf a
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| 73 | #else
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| 74 | # define KWFS_LOG(a) do { } while (0)
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| 75 | #endif
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| 76 |
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| 77 | /** Converts a windows handle to a handle table index.
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| 78 | * @note We currently just mask off the 31th bit, and do no shifting or anything
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| 79 | * else to create an index of the handle.
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| 80 | * @todo consider shifting by 2 or 3. */
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| 81 | #define KW_HANDLE_TO_INDEX(a_hHandle) ((KUPTR)(a_hHandle) & ~(KUPTR)KU32_C(0x8000000))
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| 82 | /** Maximum handle value we can deal with. */
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| 83 | #define KW_HANDLE_MAX 0x20000
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| 84 |
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| 85 | /** @def WITH_TEMP_MEMORY_FILES
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| 86 | * Enables temporary memory files for cl.exe. */
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| 87 | #define WITH_TEMP_MEMORY_FILES
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| 88 |
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| 89 | /** Max temporary file size (memory backed). */
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| 90 | #if K_ARCH_BITS >= 64
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| 91 | # define KWFS_TEMP_FILE_MAX (256*1024*1024)
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| 92 | #else
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| 93 | # define KWFS_TEMP_FILE_MAX (64*1024*1024)
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| 94 | #endif
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| 95 |
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| 96 | /** Marks unfinished code. */
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| 97 | #if 1
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| 98 | # define KWFS_TODO() do { kwErrPrintf("\nHit TODO on line %u in %s!\n", __LINE__, __FUNCTION__); __debugbreak(); } while (0)
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| 99 | #else
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| 100 | # define KWFS_TODO() do { kwErrPrintf("\nHit TODO on line %u in %s!\n", __LINE__, __FUNCTION__); } while (0)
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| 101 | #endif
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| 102 |
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| 103 | /** User data key for tools. */
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| 104 | #define KW_DATA_KEY_TOOL (~(KUPTR)16381)
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| 105 | /** User data key for a cached file. */
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| 106 | #define KW_DATA_KEY_CACHED_FILE (~(KUPTR)65521)
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| 107 |
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| 108 |
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| 109 | /*********************************************************************************************************************************
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| 110 | * Structures and Typedefs *
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| 111 | *********************************************************************************************************************************/
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| 112 | typedef enum KWLOCATION
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| 113 | {
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| 114 | KWLOCATION_INVALID = 0,
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| 115 | KWLOCATION_EXE_DIR,
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| 116 | KWLOCATION_IMPORTER_DIR,
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| 117 | KWLOCATION_SYSTEM32,
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| 118 | KWLOCATION_UNKNOWN_NATIVE,
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| 119 | KWLOCATION_UNKNOWN,
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| 120 | } KWLOCATION;
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| 121 |
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| 122 | typedef enum KWMODSTATE
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| 123 | {
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| 124 | KWMODSTATE_INVALID = 0,
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| 125 | KWMODSTATE_NEEDS_BITS,
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| 126 | KWMODSTATE_NEEDS_INIT,
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| 127 | KWMODSTATE_BEING_INITED,
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| 128 | KWMODSTATE_INIT_FAILED,
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| 129 | KWMODSTATE_READY,
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| 130 | } KWMODSTATE;
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| 131 |
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| 132 | typedef struct KWMODULE *PKWMODULE;
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| 133 | typedef struct KWMODULE
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| 134 | {
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| 135 | /** Pointer to the next image. */
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| 136 | PKWMODULE pNext;
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| 137 | /** The normalized path to the image. */
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| 138 | const char *pszPath;
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| 139 | /** The hash of the program path. */
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| 140 | KU32 uHashPath;
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| 141 | /** Number of references. */
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| 142 | KU32 cRefs;
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| 143 | /** UTF-16 version of pszPath. */
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| 144 | const wchar_t *pwszPath;
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| 145 | /** The offset of the filename in pszPath. */
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| 146 | KU16 offFilename;
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| 147 | /** Set if executable. */
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| 148 | KBOOL fExe;
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| 149 | /** Set if native module entry. */
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| 150 | KBOOL fNative;
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| 151 | /** Loader module handle. */
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| 152 | PKLDRMOD pLdrMod;
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| 153 | /** The windows module handle. */
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| 154 | HMODULE hOurMod;
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| 155 |
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| 156 | union
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| 157 | {
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| 158 | /** Data for a manually loaded image. */
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| 159 | struct
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| 160 | {
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| 161 | /** The of the loaded image bits. */
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| 162 | KSIZE cbImage;
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| 163 | /** Where we load the image. */
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| 164 | void *pvLoad;
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| 165 | /** Virgin copy of the image. */
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| 166 | void *pvCopy;
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| 167 | /** Ldr pvBits argument. This is NULL till we've successfully resolved
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| 168 | * the imports. */
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| 169 | void *pvBits;
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| 170 | /** The state. */
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| 171 | KWMODSTATE enmState;
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| 172 | #if defined(KBUILD_OS_WINDOWS) && defined(KBUILD_ARCH_AMD64)
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| 173 | /** The number of entries in the table. */
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| 174 | KU32 cFunctions;
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| 175 | /** The function table address (in the copy). */
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| 176 | PRUNTIME_FUNCTION paFunctions;
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| 177 | /** Set if we've already registered a function table already. */
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| 178 | KBOOL fRegisteredFunctionTable;
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| 179 | #endif
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| 180 | /** Set if we share memory with other executables. */
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| 181 | KBOOL fUseLdBuf;
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| 182 | /** Number of imported modules. */
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| 183 | KSIZE cImpMods;
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| 184 | /** Import array (variable size). */
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| 185 | PKWMODULE apImpMods[1];
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| 186 | } Manual;
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| 187 | } u;
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| 188 | } KWMODULE;
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| 189 |
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| 190 |
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| 191 | typedef struct KWDYNLOAD *PKWDYNLOAD;
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| 192 | typedef struct KWDYNLOAD
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| 193 | {
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| 194 | /** Pointer to the next in the list. */
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| 195 | PKWDYNLOAD pNext;
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| 196 |
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| 197 | /** The module handle we present to the application.
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| 198 | * This is the LoadLibraryEx return value for special modules and the
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| 199 | * KWMODULE.hOurMod value for the others. */
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| 200 | HMODULE hmod;
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| 201 |
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| 202 | /** The module for non-special resource stuff, NULL if special. */
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| 203 | PKWMODULE pMod;
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| 204 |
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| 205 | /** The length of the LoadLibary filename. */
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| 206 | KSIZE cchRequest;
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| 207 | /** The LoadLibrary filename. */
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| 208 | char szRequest[1];
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| 209 | } KWDYNLOAD;
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| 210 |
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| 211 |
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| 212 | /**
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| 213 | * GetModuleHandle cache for system modules frequently queried.
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| 214 | */
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| 215 | typedef struct KWGETMODULEHANDLECACHE
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| 216 | {
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| 217 | const char *pszName;
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| 218 | KU8 cchName;
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| 219 | KU8 cwcName;
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| 220 | const wchar_t *pwszName;
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| 221 | HANDLE hmod;
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| 222 | } KWGETMODULEHANDLECACHE;
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| 223 | typedef KWGETMODULEHANDLECACHE *PKWGETMODULEHANDLECACHE;
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| 224 |
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| 225 |
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| 226 | /**
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| 227 | * A cached file.
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| 228 | */
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| 229 | typedef struct KFSWCACHEDFILE
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| 230 | {
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| 231 | /** The user data core. */
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| 232 | KFSUSERDATA Core;
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| 233 |
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| 234 | /** Cached file handle. */
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| 235 | HANDLE hCached;
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| 236 | /** The file size. */
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| 237 | KU32 cbCached;
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| 238 | /** Cached file content. */
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| 239 | KU8 *pbCached;
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| 240 |
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| 241 | /** Circular self reference. Prevents the object from ever going away and
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| 242 | * keeps it handy for debugging. */
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| 243 | PKFSOBJ pFsObj;
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| 244 | } KFSWCACHEDFILE;
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| 245 | /** Pointe to a cached filed. */
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| 246 | typedef KFSWCACHEDFILE *PKFSWCACHEDFILE;
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| 247 |
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| 248 |
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| 249 | typedef struct KWFSTEMPFILESEG *PKWFSTEMPFILESEG;
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| 250 | typedef struct KWFSTEMPFILESEG
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| 251 | {
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| 252 | /** File offset of data. */
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| 253 | KU32 offData;
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| 254 | /** The size of the buffer pbData points to. */
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| 255 | KU32 cbDataAlloc;
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| 256 | /** The segment data. */
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| 257 | KU8 *pbData;
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| 258 | } KWFSTEMPFILESEG;
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| 259 |
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| 260 | typedef struct KWFSTEMPFILE *PKWFSTEMPFILE;
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| 261 | typedef struct KWFSTEMPFILE
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| 262 | {
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| 263 | /** Pointer to the next temporary file for this run. */
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| 264 | PKWFSTEMPFILE pNext;
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| 265 | /** The UTF-16 path. (Allocated after this structure.) */
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| 266 | const wchar_t *pwszPath;
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| 267 | /** The path length. */
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| 268 | KU16 cwcPath;
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| 269 | /** Number of active handles using this file/mapping (<= 2). */
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| 270 | KU8 cActiveHandles;
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| 271 | /** Number of active mappings (mapped views) (0 or 1). */
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| 272 | KU8 cMappings;
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| 273 | /** The amount of space allocated in the segments. */
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| 274 | KU32 cbFileAllocated;
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| 275 | /** The current file size. */
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| 276 | KU32 cbFile;
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| 277 | /** The number of segments. */
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| 278 | KU32 cSegs;
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| 279 | /** Segments making up the file. */
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| 280 | PKWFSTEMPFILESEG paSegs;
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| 281 | } KWFSTEMPFILE;
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| 282 |
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| 283 |
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| 284 | /** Handle type. */
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| 285 | typedef enum KWHANDLETYPE
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| 286 | {
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| 287 | KWHANDLETYPE_INVALID = 0,
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| 288 | KWHANDLETYPE_FSOBJ_READ_CACHE,
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| 289 | KWHANDLETYPE_TEMP_FILE,
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| 290 | KWHANDLETYPE_TEMP_FILE_MAPPING
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| 291 | //KWHANDLETYPE_CONSOLE_CACHE
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| 292 | } KWHANDLETYPE;
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| 293 |
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| 294 | /** Handle data. */
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| 295 | typedef struct KWHANDLE
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| 296 | {
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| 297 | KWHANDLETYPE enmType;
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| 298 | /** The current file offset. */
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| 299 | KU32 offFile;
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| 300 | /** Handle access. */
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| 301 | KU32 dwDesiredAccess;
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| 302 | /** The handle. */
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| 303 | HANDLE hHandle;
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| 304 |
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| 305 | /** Type specific data. */
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| 306 | union
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| 307 | {
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| 308 | /** The file system object. */
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| 309 | PKFSWCACHEDFILE pCachedFile;
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| 310 | /** Temporary file handle or mapping handle. */
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| 311 | PKWFSTEMPFILE pTempFile;
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| 312 | } u;
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| 313 | } KWHANDLE;
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| 314 | typedef KWHANDLE *PKWHANDLE;
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| 315 |
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| 316 |
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| 317 | /** Pointer to a VirtualAlloc tracker entry. */
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| 318 | typedef struct KWVIRTALLOC *PKWVIRTALLOC;
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| 319 | /**
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| 320 | * Tracking an VirtualAlloc allocation.
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| 321 | */
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| 322 | typedef struct KWVIRTALLOC
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| 323 | {
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| 324 | PKWVIRTALLOC pNext;
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| 325 | void *pvAlloc;
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| 326 | KSIZE cbAlloc;
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| 327 | } KWVIRTALLOC;
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| 328 |
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| 329 |
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| 330 | /** Pointer to a FlsAlloc/TlsAlloc tracker entry. */
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| 331 | typedef struct KWLOCALSTORAGE *PKWLOCALSTORAGE;
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| 332 | /**
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| 333 | * Tracking an FlsAlloc/TlsAlloc index.
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| 334 | */
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| 335 | typedef struct KWLOCALSTORAGE
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| 336 | {
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| 337 | PKWLOCALSTORAGE pNext;
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| 338 | KU32 idx;
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| 339 | } KWLOCALSTORAGE;
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| 340 |
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| 341 |
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| 342 | typedef enum KWTOOLTYPE
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| 343 | {
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| 344 | KWTOOLTYPE_INVALID = 0,
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| 345 | KWTOOLTYPE_SANDBOXED,
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| 346 | KWTOOLTYPE_WATCOM,
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| 347 | KWTOOLTYPE_EXEC,
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| 348 | KWTOOLTYPE_END
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| 349 | } KWTOOLTYPE;
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| 350 |
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| 351 | typedef enum KWTOOLHINT
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| 352 | {
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| 353 | KWTOOLHINT_INVALID = 0,
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| 354 | KWTOOLHINT_NONE,
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| 355 | KWTOOLHINT_VISUAL_CPP_CL,
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| 356 | KWTOOLHINT_END
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| 357 | } KWTOOLHINT;
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| 358 |
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| 359 |
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| 360 | /**
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| 361 | * A kWorker tool.
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| 362 | */
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| 363 | typedef struct KWTOOL
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| 364 | {
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| 365 | /** The user data core structure. */
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| 366 | KFSUSERDATA Core;
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| 367 |
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| 368 | /** The normalized path to the program. */
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| 369 | const char *pszPath;
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| 370 | /** UTF-16 version of pszPath. */
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| 371 | wchar_t const *pwszPath;
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| 372 | /** The kind of tool. */
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| 373 | KWTOOLTYPE enmType;
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| 374 |
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| 375 | union
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| 376 | {
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| 377 | struct
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| 378 | {
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| 379 | /** The main entry point. */
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| 380 | KUPTR uMainAddr;
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| 381 | /** The executable. */
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| 382 | PKWMODULE pExe;
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| 383 | /** List of dynamically loaded modules.
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| 384 | * These will be kept loaded till the tool is destroyed (if we ever do that). */
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| 385 | PKWDYNLOAD pDynLoadHead;
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| 386 | /** Module array sorted by hOurMod. */
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| 387 | PKWMODULE *papModules;
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| 388 | /** Number of entries in papModules. */
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| 389 | KU32 cModules;
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| 390 |
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| 391 | /** Tool hint (for hacks and such). */
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| 392 | KWTOOLHINT enmHint;
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| 393 | } Sandboxed;
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| 394 | } u;
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| 395 | } KWTOOL;
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| 396 | /** Pointer to a tool. */
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| 397 | typedef struct KWTOOL *PKWTOOL;
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| 398 |
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| 399 |
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| 400 | typedef struct KWSANDBOX *PKWSANDBOX;
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| 401 | typedef struct KWSANDBOX
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| 402 | {
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| 403 | /** The tool currently running in the sandbox. */
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| 404 | PKWTOOL pTool;
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| 405 | /** Jump buffer. */
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| 406 | jmp_buf JmpBuf;
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| 407 | /** The thread ID of the main thread (owner of JmpBuf). */
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| 408 | DWORD idMainThread;
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| 409 | /** Copy of the NT TIB of the main thread. */
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| 410 | NT_TIB TibMainThread;
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| 411 | /** The NT_TIB::ExceptionList value inside the try case.
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| 412 | * We restore this prior to the longjmp. */
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| 413 | void *pOutXcptListHead;
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| 414 | /** The exit code in case of longjmp. */
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| 415 | int rcExitCode;
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| 416 | /** Set if we're running. */
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| 417 | KBOOL fRunning;
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| 418 |
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| 419 | /** The command line. */
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| 420 | char *pszCmdLine;
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| 421 | /** The UTF-16 command line. */
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| 422 | wchar_t *pwszCmdLine;
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| 423 | /** Number of arguments in papszArgs. */
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| 424 | int cArgs;
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| 425 | /** The argument vector. */
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| 426 | char **papszArgs;
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| 427 | /** The argument vector. */
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| 428 | wchar_t **papwszArgs;
|
|---|
| 429 |
|
|---|
| 430 | /** The _pgmptr msvcrt variable. */
|
|---|
| 431 | char *pgmptr;
|
|---|
| 432 | /** The _wpgmptr msvcrt variable. */
|
|---|
| 433 | wchar_t *wpgmptr;
|
|---|
| 434 |
|
|---|
| 435 | /** The _initenv msvcrt variable. */
|
|---|
| 436 | char **initenv;
|
|---|
| 437 | /** The _winitenv msvcrt variable. */
|
|---|
| 438 | wchar_t **winitenv;
|
|---|
| 439 |
|
|---|
| 440 | /** The _environ msvcrt variable. */
|
|---|
| 441 | char **environ;
|
|---|
| 442 | /** The _wenviron msvcrt variable. */
|
|---|
| 443 | wchar_t **wenviron;
|
|---|
| 444 |
|
|---|
| 445 |
|
|---|
| 446 | /** Handle table. */
|
|---|
| 447 | PKWHANDLE *papHandles;
|
|---|
| 448 | /** Size of the handle table. */
|
|---|
| 449 | KU32 cHandles;
|
|---|
| 450 | /** Number of active handles in the table. */
|
|---|
| 451 | KU32 cActiveHandles;
|
|---|
| 452 |
|
|---|
| 453 | /** Head of the list of temporary file. */
|
|---|
| 454 | PKWFSTEMPFILE pTempFileHead;
|
|---|
| 455 |
|
|---|
| 456 | /** Head of the virtual alloc allocations. */
|
|---|
| 457 | PKWVIRTALLOC pVirtualAllocHead;
|
|---|
| 458 | /** Head of the FlsAlloc indexes. */
|
|---|
| 459 | PKWLOCALSTORAGE pFlsAllocHead;
|
|---|
| 460 | /** Head of the TlsAlloc indexes. */
|
|---|
| 461 | PKWLOCALSTORAGE pTlsAllocHead;
|
|---|
| 462 |
|
|---|
| 463 | UNICODE_STRING SavedCommandLine;
|
|---|
| 464 | } KWSANDBOX;
|
|---|
| 465 |
|
|---|
| 466 | /** Replacement function entry. */
|
|---|
| 467 | typedef struct KWREPLACEMENTFUNCTION
|
|---|
| 468 | {
|
|---|
| 469 | /** The function name. */
|
|---|
| 470 | const char *pszFunction;
|
|---|
| 471 | /** The length of the function name. */
|
|---|
| 472 | KSIZE cchFunction;
|
|---|
| 473 | /** The module name (optional). */
|
|---|
| 474 | const char *pszModule;
|
|---|
| 475 | /** The replacement function or data address. */
|
|---|
| 476 | KUPTR pfnReplacement;
|
|---|
| 477 | } KWREPLACEMENTFUNCTION;
|
|---|
| 478 | typedef KWREPLACEMENTFUNCTION const *PCKWREPLACEMENTFUNCTION;
|
|---|
| 479 |
|
|---|
| 480 | #if 0
|
|---|
| 481 | /** Replacement function entry. */
|
|---|
| 482 | typedef struct KWREPLACEMENTDATA
|
|---|
| 483 | {
|
|---|
| 484 | /** The function name. */
|
|---|
| 485 | const char *pszFunction;
|
|---|
| 486 | /** The length of the function name. */
|
|---|
| 487 | KSIZE cchFunction;
|
|---|
| 488 | /** The module name (optional). */
|
|---|
| 489 | const char *pszModule;
|
|---|
| 490 | /** Function providing the replacement. */
|
|---|
| 491 | KUPTR (*pfnMakeReplacement)(PKWMODULE pMod, const char *pchSymbol, KSIZE cchSymbol);
|
|---|
| 492 | } KWREPLACEMENTDATA;
|
|---|
| 493 | typedef KWREPLACEMENTDATA const *PCKWREPLACEMENTDATA;
|
|---|
| 494 | #endif
|
|---|
| 495 |
|
|---|
| 496 |
|
|---|
| 497 | /*********************************************************************************************************************************
|
|---|
| 498 | * Global Variables *
|
|---|
| 499 | *********************************************************************************************************************************/
|
|---|
| 500 | /** The sandbox data. */
|
|---|
| 501 | static KWSANDBOX g_Sandbox;
|
|---|
| 502 |
|
|---|
| 503 | /** The module currently occupying g_abDefLdBuf. */
|
|---|
| 504 | static PKWMODULE g_pModInLdBuf = NULL;
|
|---|
| 505 |
|
|---|
| 506 | /** Module hash table. */
|
|---|
| 507 | static PKWMODULE g_apModules[127];
|
|---|
| 508 |
|
|---|
| 509 | /** GetModuleHandle cache. */
|
|---|
| 510 | static KWGETMODULEHANDLECACHE g_aGetModuleHandleCache[] =
|
|---|
| 511 | {
|
|---|
| 512 | #define MOD_CACHE_STRINGS(str) str, sizeof(str) - 1, (sizeof(L##str) / sizeof(wchar_t)) - 1, L##str
|
|---|
| 513 | { MOD_CACHE_STRINGS("KERNEL32.DLL"), NULL },
|
|---|
| 514 | { MOD_CACHE_STRINGS("mscoree.dll"), NULL },
|
|---|
| 515 | };
|
|---|
| 516 |
|
|---|
| 517 |
|
|---|
| 518 | /** The file system cache. */
|
|---|
| 519 | static PKFSCACHE g_pFsCache;
|
|---|
| 520 | /** The current directory (referenced). */
|
|---|
| 521 | static PKFSOBJ g_pCurDirObj = NULL;
|
|---|
| 522 |
|
|---|
| 523 | /** Verbosity level. */
|
|---|
| 524 | static int g_cVerbose = 2;
|
|---|
| 525 |
|
|---|
| 526 | /** Whether we should restart the worker. */
|
|---|
| 527 | static KBOOL g_fRestart = K_FALSE;
|
|---|
| 528 |
|
|---|
| 529 | /* Further down. */
|
|---|
| 530 | extern KWREPLACEMENTFUNCTION const g_aSandboxReplacements[];
|
|---|
| 531 | extern KU32 const g_cSandboxReplacements;
|
|---|
| 532 |
|
|---|
| 533 | extern KWREPLACEMENTFUNCTION const g_aSandboxNativeReplacements[];
|
|---|
| 534 | extern KU32 const g_cSandboxNativeReplacements;
|
|---|
| 535 |
|
|---|
| 536 | /** Create a larget BSS blob that with help of /IMAGEBASE:0x10000 should
|
|---|
| 537 | * cover the default executable link address of 0x400000. */
|
|---|
| 538 | #pragma section("DefLdBuf", write, execute, read)
|
|---|
| 539 | __declspec(allocate("DefLdBuf"))
|
|---|
| 540 | static KU8 g_abDefLdBuf[16*1024*1024];
|
|---|
| 541 |
|
|---|
| 542 |
|
|---|
| 543 |
|
|---|
| 544 | /*********************************************************************************************************************************
|
|---|
| 545 | * Internal Functions *
|
|---|
| 546 | *********************************************************************************************************************************/
|
|---|
| 547 | static FNKLDRMODGETIMPORT kwLdrModuleGetImportCallback;
|
|---|
| 548 | static int kwLdrModuleResolveAndLookup(const char *pszName, PKWMODULE pExe, PKWMODULE pImporter, PKWMODULE *ppMod);
|
|---|
| 549 | static KBOOL kwSandboxHandleTableEnter(PKWSANDBOX pSandbox, PKWHANDLE pHandle);
|
|---|
| 550 |
|
|---|
| 551 |
|
|---|
| 552 |
|
|---|
| 553 | /**
|
|---|
| 554 | * Debug printing.
|
|---|
| 555 | * @param pszFormat Debug format string.
|
|---|
| 556 | * @param ... Format argument.
|
|---|
| 557 | */
|
|---|
| 558 | static void kwDbgPrintfV(const char *pszFormat, va_list va)
|
|---|
| 559 | {
|
|---|
| 560 | if (g_cVerbose >= 2)
|
|---|
| 561 | {
|
|---|
| 562 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 563 |
|
|---|
| 564 | fprintf(stderr, "debug: ");
|
|---|
| 565 | vfprintf(stderr, pszFormat, va);
|
|---|
| 566 |
|
|---|
| 567 | SetLastError(dwSavedErr);
|
|---|
| 568 | }
|
|---|
| 569 | }
|
|---|
| 570 |
|
|---|
| 571 |
|
|---|
| 572 | /**
|
|---|
| 573 | * Debug printing.
|
|---|
| 574 | * @param pszFormat Debug format string.
|
|---|
| 575 | * @param ... Format argument.
|
|---|
| 576 | */
|
|---|
| 577 | static void kwDbgPrintf(const char *pszFormat, ...)
|
|---|
| 578 | {
|
|---|
| 579 | if (g_cVerbose >= 2)
|
|---|
| 580 | {
|
|---|
| 581 | va_list va;
|
|---|
| 582 | va_start(va, pszFormat);
|
|---|
| 583 | kwDbgPrintfV(pszFormat, va);
|
|---|
| 584 | va_end(va);
|
|---|
| 585 | }
|
|---|
| 586 | }
|
|---|
| 587 |
|
|---|
| 588 |
|
|---|
| 589 | /**
|
|---|
| 590 | * Debugger printing.
|
|---|
| 591 | * @param pszFormat Debug format string.
|
|---|
| 592 | * @param ... Format argument.
|
|---|
| 593 | */
|
|---|
| 594 | static void kwDebuggerPrintfV(const char *pszFormat, va_list va)
|
|---|
| 595 | {
|
|---|
| 596 | if (IsDebuggerPresent())
|
|---|
| 597 | {
|
|---|
| 598 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 599 | char szTmp[2048];
|
|---|
| 600 |
|
|---|
| 601 | _vsnprintf(szTmp, sizeof(szTmp), pszFormat, va);
|
|---|
| 602 | OutputDebugStringA(szTmp);
|
|---|
| 603 |
|
|---|
| 604 | SetLastError(dwSavedErr);
|
|---|
| 605 | }
|
|---|
| 606 | }
|
|---|
| 607 |
|
|---|
| 608 |
|
|---|
| 609 | /**
|
|---|
| 610 | * Debugger printing.
|
|---|
| 611 | * @param pszFormat Debug format string.
|
|---|
| 612 | * @param ... Format argument.
|
|---|
| 613 | */
|
|---|
| 614 | static void kwDebuggerPrintf(const char *pszFormat, ...)
|
|---|
| 615 | {
|
|---|
| 616 | va_list va;
|
|---|
| 617 | va_start(va, pszFormat);
|
|---|
| 618 | kwDebuggerPrintfV(pszFormat, va);
|
|---|
| 619 | va_end(va);
|
|---|
| 620 | }
|
|---|
| 621 |
|
|---|
| 622 |
|
|---|
| 623 |
|
|---|
| 624 | /**
|
|---|
| 625 | * Error printing.
|
|---|
| 626 | * @param pszFormat Message format string.
|
|---|
| 627 | * @param ... Format argument.
|
|---|
| 628 | */
|
|---|
| 629 | static void kwErrPrintfV(const char *pszFormat, va_list va)
|
|---|
| 630 | {
|
|---|
| 631 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 632 |
|
|---|
| 633 | fprintf(stderr, "kWorker: error: ");
|
|---|
| 634 | vfprintf(stderr, pszFormat, va);
|
|---|
| 635 |
|
|---|
| 636 | SetLastError(dwSavedErr);
|
|---|
| 637 | }
|
|---|
| 638 |
|
|---|
| 639 |
|
|---|
| 640 | /**
|
|---|
| 641 | * Error printing.
|
|---|
| 642 | * @param pszFormat Message format string.
|
|---|
| 643 | * @param ... Format argument.
|
|---|
| 644 | */
|
|---|
| 645 | static void kwErrPrintf(const char *pszFormat, ...)
|
|---|
| 646 | {
|
|---|
| 647 | va_list va;
|
|---|
| 648 | va_start(va, pszFormat);
|
|---|
| 649 | kwErrPrintfV(pszFormat, va);
|
|---|
| 650 | va_end(va);
|
|---|
| 651 | }
|
|---|
| 652 |
|
|---|
| 653 |
|
|---|
| 654 | /**
|
|---|
| 655 | * Error printing.
|
|---|
| 656 | * @return rc;
|
|---|
| 657 | * @param rc Return value
|
|---|
| 658 | * @param pszFormat Message format string.
|
|---|
| 659 | * @param ... Format argument.
|
|---|
| 660 | */
|
|---|
| 661 | static int kwErrPrintfRc(int rc, const char *pszFormat, ...)
|
|---|
| 662 | {
|
|---|
| 663 | va_list va;
|
|---|
| 664 | va_start(va, pszFormat);
|
|---|
| 665 | kwErrPrintfV(pszFormat, va);
|
|---|
| 666 | va_end(va);
|
|---|
| 667 | return rc;
|
|---|
| 668 | }
|
|---|
| 669 |
|
|---|
| 670 |
|
|---|
| 671 | #ifdef K_STRICT
|
|---|
| 672 |
|
|---|
| 673 | KHLP_DECL(void) kHlpAssertMsg1(const char *pszExpr, const char *pszFile, unsigned iLine, const char *pszFunction)
|
|---|
| 674 | {
|
|---|
| 675 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 676 |
|
|---|
| 677 | fprintf(stderr,
|
|---|
| 678 | "\n"
|
|---|
| 679 | "!!Assertion failed!!\n"
|
|---|
| 680 | "Expression: %s\n"
|
|---|
| 681 | "Function : %s\n"
|
|---|
| 682 | "File: %s\n"
|
|---|
| 683 | "Line: %d\n"
|
|---|
| 684 | , pszExpr, pszFunction, pszFile, iLine);
|
|---|
| 685 |
|
|---|
| 686 | SetLastError(dwSavedErr);
|
|---|
| 687 | }
|
|---|
| 688 |
|
|---|
| 689 |
|
|---|
| 690 | KHLP_DECL(void) kHlpAssertMsg2(const char *pszFormat, ...)
|
|---|
| 691 | {
|
|---|
| 692 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 693 | va_list va;
|
|---|
| 694 |
|
|---|
| 695 | va_start(va, pszFormat);
|
|---|
| 696 | fprintf(stderr, pszFormat, va);
|
|---|
| 697 | va_end(va);
|
|---|
| 698 |
|
|---|
| 699 | SetLastError(dwSavedErr);
|
|---|
| 700 | }
|
|---|
| 701 |
|
|---|
| 702 | #endif /* K_STRICT */
|
|---|
| 703 |
|
|---|
| 704 |
|
|---|
| 705 | /**
|
|---|
| 706 | * Hashes a string.
|
|---|
| 707 | *
|
|---|
| 708 | * @returns 32-bit string hash.
|
|---|
| 709 | * @param pszString String to hash.
|
|---|
| 710 | */
|
|---|
| 711 | static KU32 kwStrHash(const char *pszString)
|
|---|
| 712 | {
|
|---|
| 713 | /* This algorithm was created for sdbm (a public-domain reimplementation of
|
|---|
| 714 | ndbm) database library. it was found to do well in scrambling bits,
|
|---|
| 715 | causing better distribution of the keys and fewer splits. it also happens
|
|---|
| 716 | to be a good general hashing function with good distribution. the actual
|
|---|
| 717 | function is hash(i) = hash(i - 1) * 65599 + str[i]; what is included below
|
|---|
| 718 | is the faster version used in gawk. [there is even a faster, duff-device
|
|---|
| 719 | version] the magic constant 65599 was picked out of thin air while
|
|---|
| 720 | experimenting with different constants, and turns out to be a prime.
|
|---|
| 721 | this is one of the algorithms used in berkeley db (see sleepycat) and
|
|---|
| 722 | elsewhere. */
|
|---|
| 723 | KU32 uHash = 0;
|
|---|
| 724 | KU32 uChar;
|
|---|
| 725 | while ((uChar = (unsigned char)*pszString++) != 0)
|
|---|
| 726 | uHash = uChar + (uHash << 6) + (uHash << 16) - uHash;
|
|---|
| 727 | return uHash;
|
|---|
| 728 | }
|
|---|
| 729 |
|
|---|
| 730 |
|
|---|
| 731 | /**
|
|---|
| 732 | * Hashes a string.
|
|---|
| 733 | *
|
|---|
| 734 | * @returns The string length.
|
|---|
| 735 | * @param pszString String to hash.
|
|---|
| 736 | * @param puHash Where to return the 32-bit string hash.
|
|---|
| 737 | */
|
|---|
| 738 | static KSIZE kwStrHashEx(const char *pszString, KU32 *puHash)
|
|---|
| 739 | {
|
|---|
| 740 | const char * const pszStart = pszString;
|
|---|
| 741 | KU32 uHash = 0;
|
|---|
| 742 | KU32 uChar;
|
|---|
| 743 | while ((uChar = (unsigned char)*pszString) != 0)
|
|---|
| 744 | {
|
|---|
| 745 | uHash = uChar + (uHash << 6) + (uHash << 16) - uHash;
|
|---|
| 746 | pszString++;
|
|---|
| 747 | }
|
|---|
| 748 | *puHash = uHash;
|
|---|
| 749 | return pszString - pszStart;
|
|---|
| 750 | }
|
|---|
| 751 |
|
|---|
| 752 |
|
|---|
| 753 | /**
|
|---|
| 754 | * Hashes a string.
|
|---|
| 755 | *
|
|---|
| 756 | * @returns The string length in wchar_t units.
|
|---|
| 757 | * @param pwszString String to hash.
|
|---|
| 758 | * @param puHash Where to return the 32-bit string hash.
|
|---|
| 759 | */
|
|---|
| 760 | static KSIZE kwUtf16HashEx(const wchar_t *pwszString, KU32 *puHash)
|
|---|
| 761 | {
|
|---|
| 762 | const wchar_t * const pwszStart = pwszString;
|
|---|
| 763 | KU32 uHash = 0;
|
|---|
| 764 | KU32 uChar;
|
|---|
| 765 | while ((uChar = *pwszString) != 0)
|
|---|
| 766 | {
|
|---|
| 767 | uHash = uChar + (uHash << 6) + (uHash << 16) - uHash;
|
|---|
| 768 | pwszString++;
|
|---|
| 769 | }
|
|---|
| 770 | *puHash = uHash;
|
|---|
| 771 | return pwszString - pwszStart;
|
|---|
| 772 | }
|
|---|
| 773 |
|
|---|
| 774 |
|
|---|
| 775 | /**
|
|---|
| 776 | * Converts the given string to unicode.
|
|---|
| 777 | *
|
|---|
| 778 | * @returns Length of the resulting string in wchar_t's.
|
|---|
| 779 | * @param pszSrc The source string.
|
|---|
| 780 | * @param pwszDst The destination buffer.
|
|---|
| 781 | * @param cwcDst The size of the destination buffer in wchar_t's.
|
|---|
| 782 | */
|
|---|
| 783 | static KSIZE kwStrToUtf16(const char *pszSrc, wchar_t *pwszDst, KSIZE cwcDst)
|
|---|
| 784 | {
|
|---|
| 785 | /* Just to the quick ASCII stuff for now. correct ansi code page stuff later some time. */
|
|---|
| 786 | KSIZE offDst = 0;
|
|---|
| 787 | while (offDst < cwcDst)
|
|---|
| 788 | {
|
|---|
| 789 | char ch = *pszSrc++;
|
|---|
| 790 | pwszDst[offDst++] = ch;
|
|---|
| 791 | if (!ch)
|
|---|
| 792 | return offDst - 1;
|
|---|
| 793 | kHlpAssert((unsigned)ch < 127);
|
|---|
| 794 | }
|
|---|
| 795 |
|
|---|
| 796 | pwszDst[offDst - 1] = '\0';
|
|---|
| 797 | return offDst;
|
|---|
| 798 | }
|
|---|
| 799 |
|
|---|
| 800 |
|
|---|
| 801 | /**
|
|---|
| 802 | * Converts the given UTF-16 to a normal string.
|
|---|
| 803 | *
|
|---|
| 804 | * @returns Length of the resulting string.
|
|---|
| 805 | * @param pwszSrc The source UTF-16 string.
|
|---|
| 806 | * @param pszDst The destination buffer.
|
|---|
| 807 | * @param cbDst The size of the destination buffer in bytes.
|
|---|
| 808 | */
|
|---|
| 809 | static KSIZE kwUtf16ToStr(const wchar_t *pwszSrc, char *pszDst, KSIZE cbDst)
|
|---|
| 810 | {
|
|---|
| 811 | /* Just to the quick ASCII stuff for now. correct ansi code page stuff later some time. */
|
|---|
| 812 | KSIZE offDst = 0;
|
|---|
| 813 | while (offDst < cbDst)
|
|---|
| 814 | {
|
|---|
| 815 | wchar_t wc = *pwszSrc++;
|
|---|
| 816 | pszDst[offDst++] = (char)wc;
|
|---|
| 817 | if (!wc)
|
|---|
| 818 | return offDst - 1;
|
|---|
| 819 | kHlpAssert((unsigned)wc < 127);
|
|---|
| 820 | }
|
|---|
| 821 |
|
|---|
| 822 | pszDst[offDst - 1] = '\0';
|
|---|
| 823 | return offDst;
|
|---|
| 824 | }
|
|---|
| 825 |
|
|---|
| 826 |
|
|---|
| 827 |
|
|---|
| 828 | /** UTF-16 string length. */
|
|---|
| 829 | static KSIZE kwUtf16Len(wchar_t const *pwsz)
|
|---|
| 830 | {
|
|---|
| 831 | KSIZE cwc = 0;
|
|---|
| 832 | while (*pwsz != '\0')
|
|---|
| 833 | cwc++, pwsz++;
|
|---|
| 834 | return cwc;
|
|---|
| 835 | }
|
|---|
| 836 |
|
|---|
| 837 | /**
|
|---|
| 838 | * Copy out the UTF-16 string following the convension of GetModuleFileName
|
|---|
| 839 | */
|
|---|
| 840 | static DWORD kwUtf16CopyStyle1(wchar_t const *pwszSrc, wchar_t *pwszDst, KSIZE cwcDst)
|
|---|
| 841 | {
|
|---|
| 842 | KSIZE cwcSrc = kwUtf16Len(pwszSrc);
|
|---|
| 843 | if (cwcSrc + 1 <= cwcDst)
|
|---|
| 844 | {
|
|---|
| 845 | kHlpMemCopy(pwszDst, pwszSrc, (cwcSrc + 1) * sizeof(wchar_t));
|
|---|
| 846 | return (DWORD)cwcSrc;
|
|---|
| 847 | }
|
|---|
| 848 | if (cwcDst > 0)
|
|---|
| 849 | {
|
|---|
| 850 | KSIZE cwcDstTmp = cwcDst - 1;
|
|---|
| 851 | pwszDst[cwcDstTmp] = '\0';
|
|---|
| 852 | if (cwcDstTmp > 0)
|
|---|
| 853 | kHlpMemCopy(pwszDst, pwszSrc, cwcDstTmp);
|
|---|
| 854 | }
|
|---|
| 855 | SetLastError(ERROR_INSUFFICIENT_BUFFER);
|
|---|
| 856 | return (DWORD)cwcDst;
|
|---|
| 857 | }
|
|---|
| 858 |
|
|---|
| 859 |
|
|---|
| 860 | /**
|
|---|
| 861 | * Copy out the ANSI string following the convension of GetModuleFileName
|
|---|
| 862 | */
|
|---|
| 863 | static DWORD kwStrCopyStyle1(char const *pszSrc, char *pszDst, KSIZE cbDst)
|
|---|
| 864 | {
|
|---|
| 865 | KSIZE cchSrc = kHlpStrLen(pszSrc);
|
|---|
| 866 | if (cchSrc + 1 <= cbDst)
|
|---|
| 867 | {
|
|---|
| 868 | kHlpMemCopy(pszDst, pszSrc, cchSrc + 1);
|
|---|
| 869 | return (DWORD)cchSrc;
|
|---|
| 870 | }
|
|---|
| 871 | if (cbDst > 0)
|
|---|
| 872 | {
|
|---|
| 873 | KSIZE cbDstTmp = cbDst - 1;
|
|---|
| 874 | pszDst[cbDstTmp] = '\0';
|
|---|
| 875 | if (cbDstTmp > 0)
|
|---|
| 876 | kHlpMemCopy(pszDst, pszSrc, cbDstTmp);
|
|---|
| 877 | }
|
|---|
| 878 | SetLastError(ERROR_INSUFFICIENT_BUFFER);
|
|---|
| 879 | return (DWORD)cbDst;
|
|---|
| 880 | }
|
|---|
| 881 |
|
|---|
| 882 |
|
|---|
| 883 | /**
|
|---|
| 884 | * Normalizes the path so we get a consistent hash.
|
|---|
| 885 | *
|
|---|
| 886 | * @returns status code.
|
|---|
| 887 | * @param pszPath The path.
|
|---|
| 888 | * @param pszNormPath The output buffer.
|
|---|
| 889 | * @param cbNormPath The size of the output buffer.
|
|---|
| 890 | */
|
|---|
| 891 | static int kwPathNormalize(const char *pszPath, char *pszNormPath, KSIZE cbNormPath)
|
|---|
| 892 | {
|
|---|
| 893 | KFSLOOKUPERROR enmError;
|
|---|
| 894 | PKFSOBJ pFsObj = kFsCacheLookupA(g_pFsCache, pszPath, &enmError);
|
|---|
| 895 | if (pFsObj)
|
|---|
| 896 | {
|
|---|
| 897 | KBOOL fRc;
|
|---|
| 898 | fRc = kFsCacheObjGetFullPathA(pFsObj, pszNormPath, cbNormPath, '\\');
|
|---|
| 899 | kFsCacheObjRelease(g_pFsCache, pFsObj);
|
|---|
| 900 | if (fRc)
|
|---|
| 901 | return 0;
|
|---|
| 902 | return KERR_BUFFER_OVERFLOW;
|
|---|
| 903 | }
|
|---|
| 904 | return KERR_FILE_NOT_FOUND;
|
|---|
| 905 | }
|
|---|
| 906 |
|
|---|
| 907 |
|
|---|
| 908 | /**
|
|---|
| 909 | * Get the pointer to the filename part of the path.
|
|---|
| 910 | *
|
|---|
| 911 | * @returns Pointer to where the filename starts within the string pointed to by pszFilename.
|
|---|
| 912 | * @returns Pointer to the terminator char if no filename.
|
|---|
| 913 | * @param pszPath The path to parse.
|
|---|
| 914 | */
|
|---|
| 915 | static wchar_t *kwPathGetFilenameW(const wchar_t *pwszPath)
|
|---|
| 916 | {
|
|---|
| 917 | const wchar_t *pwszLast = NULL;
|
|---|
| 918 | for (;;)
|
|---|
| 919 | {
|
|---|
| 920 | wchar_t wc = *pwszPath;
|
|---|
| 921 | #if K_OS == K_OS_OS2 || K_OS == K_OS_WINDOWS
|
|---|
| 922 | if (wc == '/' || wc == '\\' || wc == ':')
|
|---|
| 923 | {
|
|---|
| 924 | while ((wc = *++pwszPath) == '/' || wc == '\\' || wc == ':')
|
|---|
| 925 | /* nothing */;
|
|---|
| 926 | pwszLast = pwszPath;
|
|---|
| 927 | }
|
|---|
| 928 | #else
|
|---|
| 929 | if (wc == '/')
|
|---|
| 930 | {
|
|---|
| 931 | while ((wc = *++pszFilename) == '/')
|
|---|
| 932 | /* betsuni */;
|
|---|
| 933 | pwszLast = pwszPath;
|
|---|
| 934 | }
|
|---|
| 935 | #endif
|
|---|
| 936 | if (!wc)
|
|---|
| 937 | return (wchar_t *)(pwszLast ? pwszLast : pwszPath);
|
|---|
| 938 | pwszPath++;
|
|---|
| 939 | }
|
|---|
| 940 | }
|
|---|
| 941 |
|
|---|
| 942 |
|
|---|
| 943 |
|
|---|
| 944 | /**
|
|---|
| 945 | * Retains a new reference to the given module
|
|---|
| 946 | * @returns pMod
|
|---|
| 947 | * @param pMod The module to retain.
|
|---|
| 948 | */
|
|---|
| 949 | static PKWMODULE kwLdrModuleRetain(PKWMODULE pMod)
|
|---|
| 950 | {
|
|---|
| 951 | kHlpAssert(pMod->cRefs > 0);
|
|---|
| 952 | kHlpAssert(pMod->cRefs < 64);
|
|---|
| 953 | pMod->cRefs++;
|
|---|
| 954 | return pMod;
|
|---|
| 955 | }
|
|---|
| 956 |
|
|---|
| 957 |
|
|---|
| 958 | /**
|
|---|
| 959 | * Releases a module reference.
|
|---|
| 960 | *
|
|---|
| 961 | * @param pMod The module to release.
|
|---|
| 962 | */
|
|---|
| 963 | static void kwLdrModuleRelease(PKWMODULE pMod)
|
|---|
| 964 | {
|
|---|
| 965 | if (--pMod->cRefs == 0)
|
|---|
| 966 | {
|
|---|
| 967 | /* Unlink it. */
|
|---|
| 968 | if (!pMod->fExe)
|
|---|
| 969 | {
|
|---|
| 970 | PKWMODULE pPrev = NULL;
|
|---|
| 971 | unsigned idx = pMod->uHashPath % K_ELEMENTS(g_apModules);
|
|---|
| 972 | if (g_apModules[idx] == pMod)
|
|---|
| 973 | g_apModules[idx] = pMod->pNext;
|
|---|
| 974 | else
|
|---|
| 975 | {
|
|---|
| 976 | PKWMODULE pPrev = g_apModules[idx];
|
|---|
| 977 | kHlpAssert(pPrev != NULL);
|
|---|
| 978 | while (pPrev->pNext != pMod)
|
|---|
| 979 | {
|
|---|
| 980 | pPrev = pPrev->pNext;
|
|---|
| 981 | kHlpAssert(pPrev != NULL);
|
|---|
| 982 | }
|
|---|
| 983 | pPrev->pNext = pMod->pNext;
|
|---|
| 984 | }
|
|---|
| 985 | }
|
|---|
| 986 |
|
|---|
| 987 | /* Release import modules. */
|
|---|
| 988 | if (!pMod->fNative)
|
|---|
| 989 | {
|
|---|
| 990 | KSIZE idx = pMod->u.Manual.cImpMods;
|
|---|
| 991 | while (idx-- > 0)
|
|---|
| 992 | if (pMod->u.Manual.apImpMods[idx])
|
|---|
| 993 | {
|
|---|
| 994 | kwLdrModuleRelease(pMod->u.Manual.apImpMods[idx]);
|
|---|
| 995 | pMod->u.Manual.apImpMods[idx] = NULL;
|
|---|
| 996 | }
|
|---|
| 997 | }
|
|---|
| 998 |
|
|---|
| 999 | /* Free our resources. */
|
|---|
| 1000 | kLdrModClose(pMod->pLdrMod);
|
|---|
| 1001 | pMod->pLdrMod = NULL;
|
|---|
| 1002 |
|
|---|
| 1003 | if (!pMod->fNative)
|
|---|
| 1004 | {
|
|---|
| 1005 | kHlpPageFree(pMod->u.Manual.pvCopy, pMod->u.Manual.cbImage);
|
|---|
| 1006 | kHlpPageFree(pMod->u.Manual.pvLoad, pMod->u.Manual.cbImage);
|
|---|
| 1007 | }
|
|---|
| 1008 |
|
|---|
| 1009 | kHlpFree(pMod);
|
|---|
| 1010 | }
|
|---|
| 1011 | else
|
|---|
| 1012 | kHlpAssert(pMod->cRefs < 64);
|
|---|
| 1013 | }
|
|---|
| 1014 |
|
|---|
| 1015 |
|
|---|
| 1016 | /**
|
|---|
| 1017 | * Links the module into the module hash table.
|
|---|
| 1018 | *
|
|---|
| 1019 | * @returns pMod
|
|---|
| 1020 | * @param pMod The module to link.
|
|---|
| 1021 | */
|
|---|
| 1022 | static PKWMODULE kwLdrModuleLink(PKWMODULE pMod)
|
|---|
| 1023 | {
|
|---|
| 1024 | unsigned idx = pMod->uHashPath % K_ELEMENTS(g_apModules);
|
|---|
| 1025 | pMod->pNext = g_apModules[idx];
|
|---|
| 1026 | g_apModules[idx] = pMod;
|
|---|
| 1027 | return pMod;
|
|---|
| 1028 | }
|
|---|
| 1029 |
|
|---|
| 1030 |
|
|---|
| 1031 | /**
|
|---|
| 1032 | * Replaces imports for this module according to g_aSandboxNativeReplacements.
|
|---|
| 1033 | *
|
|---|
| 1034 | * @param pMod The natively loaded module to process.
|
|---|
| 1035 | */
|
|---|
| 1036 | static void kwLdrModuleDoNativeImportReplacements(PKWMODULE pMod)
|
|---|
| 1037 | {
|
|---|
| 1038 | KSIZE const cbImage = (KSIZE)kLdrModSize(pMod->pLdrMod);
|
|---|
| 1039 | KU8 const * const pbImage = (KU8 const *)pMod->hOurMod;
|
|---|
| 1040 | IMAGE_DOS_HEADER const *pMzHdr = (IMAGE_DOS_HEADER const *)pbImage;
|
|---|
| 1041 | IMAGE_NT_HEADERS const *pNtHdrs;
|
|---|
| 1042 | IMAGE_DATA_DIRECTORY const *pDirEnt;
|
|---|
| 1043 |
|
|---|
| 1044 | kHlpAssert(pMod->fNative);
|
|---|
| 1045 |
|
|---|
| 1046 | /*
|
|---|
| 1047 | * Locate the export descriptors.
|
|---|
| 1048 | */
|
|---|
| 1049 | /* MZ header. */
|
|---|
| 1050 | if (pMzHdr->e_magic == IMAGE_DOS_SIGNATURE)
|
|---|
| 1051 | {
|
|---|
| 1052 | kHlpAssertReturnVoid((KU32)pMzHdr->e_lfanew <= cbImage - sizeof(*pNtHdrs));
|
|---|
| 1053 | pNtHdrs = (IMAGE_NT_HEADERS const *)&pbImage[pMzHdr->e_lfanew];
|
|---|
| 1054 | }
|
|---|
| 1055 | else
|
|---|
| 1056 | pNtHdrs = (IMAGE_NT_HEADERS const *)pbImage;
|
|---|
| 1057 |
|
|---|
| 1058 | /* Check PE header. */
|
|---|
| 1059 | kHlpAssertReturnVoid(pNtHdrs->Signature == IMAGE_NT_SIGNATURE);
|
|---|
| 1060 | kHlpAssertReturnVoid(pNtHdrs->FileHeader.SizeOfOptionalHeader == sizeof(pNtHdrs->OptionalHeader));
|
|---|
| 1061 |
|
|---|
| 1062 | /* Locate the import descriptor array. */
|
|---|
| 1063 | pDirEnt = (IMAGE_DATA_DIRECTORY const *)&pNtHdrs->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT];
|
|---|
| 1064 | if ( pDirEnt->Size > 0
|
|---|
| 1065 | && pDirEnt->VirtualAddress != 0)
|
|---|
| 1066 | {
|
|---|
| 1067 | const IMAGE_IMPORT_DESCRIPTOR *pImpDesc = (const IMAGE_IMPORT_DESCRIPTOR *)&pbImage[pDirEnt->VirtualAddress];
|
|---|
| 1068 | KU32 cLeft = pDirEnt->Size / sizeof(*pImpDesc);
|
|---|
| 1069 | MEMORY_BASIC_INFORMATION ProtInfo = { NULL, NULL, 0, 0, 0, 0, 0 };
|
|---|
| 1070 | KU8 *pbProtRange = NULL;
|
|---|
| 1071 | SIZE_T cbProtRange = 0;
|
|---|
| 1072 | DWORD fOldProt = 0;
|
|---|
| 1073 | KU32 const cbPage = 0x1000;
|
|---|
| 1074 | BOOL fRc;
|
|---|
| 1075 |
|
|---|
| 1076 |
|
|---|
| 1077 | kHlpAssertReturnVoid(pDirEnt->VirtualAddress < cbImage);
|
|---|
| 1078 | kHlpAssertReturnVoid(pDirEnt->Size < cbImage);
|
|---|
| 1079 | kHlpAssertReturnVoid(pDirEnt->VirtualAddress + pDirEnt->Size <= cbImage);
|
|---|
| 1080 |
|
|---|
| 1081 | /*
|
|---|
| 1082 | * Walk the import descriptor array.
|
|---|
| 1083 | * Note! This only works if there's a backup thunk array, otherwise we cannot get at the name.
|
|---|
| 1084 | */
|
|---|
| 1085 | while ( cLeft-- > 0
|
|---|
| 1086 | && pImpDesc->Name > 0
|
|---|
| 1087 | && pImpDesc->FirstThunk > 0)
|
|---|
| 1088 | {
|
|---|
| 1089 | KU32 iThunk;
|
|---|
| 1090 | const char * const pszImport = (const char *)&pbImage[pImpDesc->Name];
|
|---|
| 1091 | PIMAGE_THUNK_DATA paThunks = (PIMAGE_THUNK_DATA)&pbImage[pImpDesc->FirstThunk];
|
|---|
| 1092 | PIMAGE_THUNK_DATA paOrgThunks = (PIMAGE_THUNK_DATA)&pbImage[pImpDesc->OriginalFirstThunk];
|
|---|
| 1093 | kHlpAssertReturnVoid(pImpDesc->Name < cbImage);
|
|---|
| 1094 | kHlpAssertReturnVoid(pImpDesc->FirstThunk < cbImage);
|
|---|
| 1095 | kHlpAssertReturnVoid(pImpDesc->OriginalFirstThunk < cbImage);
|
|---|
| 1096 | kHlpAssertReturnVoid(pImpDesc->OriginalFirstThunk != pImpDesc->FirstThunk);
|
|---|
| 1097 | kHlpAssertReturnVoid(pImpDesc->OriginalFirstThunk);
|
|---|
| 1098 |
|
|---|
| 1099 | /* Iterate the thunks. */
|
|---|
| 1100 | for (iThunk = 0; paOrgThunks[iThunk].u1.Ordinal != 0; iThunk++)
|
|---|
| 1101 | {
|
|---|
| 1102 | KUPTR const off = paOrgThunks[iThunk].u1.Function;
|
|---|
| 1103 | kHlpAssertReturnVoid(off < cbImage);
|
|---|
| 1104 | if (!IMAGE_SNAP_BY_ORDINAL(off))
|
|---|
| 1105 | {
|
|---|
| 1106 | IMAGE_IMPORT_BY_NAME const *pName = (IMAGE_IMPORT_BY_NAME const *)&pbImage[off];
|
|---|
| 1107 | KSIZE const cchSymbol = kHlpStrLen(pName->Name);
|
|---|
| 1108 | KU32 i = g_cSandboxNativeReplacements;
|
|---|
| 1109 | while (i-- > 0)
|
|---|
| 1110 | if ( g_aSandboxNativeReplacements[i].cchFunction == cchSymbol
|
|---|
| 1111 | && kHlpMemComp(g_aSandboxNativeReplacements[i].pszFunction, pName->Name, cchSymbol) == 0)
|
|---|
| 1112 | {
|
|---|
| 1113 | if ( !g_aSandboxNativeReplacements[i].pszModule
|
|---|
| 1114 | || kHlpStrICompAscii(g_aSandboxNativeReplacements[i].pszModule, pszImport) == 0)
|
|---|
| 1115 | {
|
|---|
| 1116 | KW_LOG(("%s: replacing %s!%s\n", pMod->pLdrMod->pszName, pszImport, pName->Name));
|
|---|
| 1117 |
|
|---|
| 1118 | /* The .rdata section is normally read-only, so we need to make it writable first. */
|
|---|
| 1119 | if ((KUPTR)&paThunks[iThunk] - (KUPTR)pbProtRange >= cbPage)
|
|---|
| 1120 | {
|
|---|
| 1121 | /* Restore previous .rdata page. */
|
|---|
| 1122 | if (fOldProt)
|
|---|
| 1123 | {
|
|---|
| 1124 | fRc = VirtualProtect(pbProtRange, cbProtRange, fOldProt, NULL /*pfOldProt*/);
|
|---|
| 1125 | kHlpAssert(fRc);
|
|---|
| 1126 | fOldProt = 0;
|
|---|
| 1127 | }
|
|---|
| 1128 |
|
|---|
| 1129 | /* Query attributes for the current .rdata page. */
|
|---|
| 1130 | pbProtRange = (KU8 *)((KUPTR)&paThunks[iThunk] & ~(KUPTR)(cbPage - 1));
|
|---|
| 1131 | cbProtRange = VirtualQuery(pbProtRange, &ProtInfo, sizeof(ProtInfo));
|
|---|
| 1132 | kHlpAssert(cbProtRange);
|
|---|
| 1133 | if (cbProtRange)
|
|---|
| 1134 | {
|
|---|
| 1135 | switch (ProtInfo.Protect)
|
|---|
| 1136 | {
|
|---|
| 1137 | case PAGE_READWRITE:
|
|---|
| 1138 | case PAGE_WRITECOPY:
|
|---|
| 1139 | case PAGE_EXECUTE_READWRITE:
|
|---|
| 1140 | case PAGE_EXECUTE_WRITECOPY:
|
|---|
| 1141 | /* Already writable, nothing to do. */
|
|---|
| 1142 | break;
|
|---|
| 1143 |
|
|---|
| 1144 | default:
|
|---|
| 1145 | kHlpAssertMsgFailed(("%#x\n", ProtInfo.Protect));
|
|---|
| 1146 | case PAGE_READONLY:
|
|---|
| 1147 | cbProtRange = cbPage;
|
|---|
| 1148 | fRc = VirtualProtect(pbProtRange, cbProtRange, PAGE_READWRITE, &fOldProt);
|
|---|
| 1149 | break;
|
|---|
| 1150 |
|
|---|
| 1151 | case PAGE_EXECUTE:
|
|---|
| 1152 | case PAGE_EXECUTE_READ:
|
|---|
| 1153 | cbProtRange = cbPage;
|
|---|
| 1154 | fRc = VirtualProtect(pbProtRange, cbProtRange, PAGE_EXECUTE_READWRITE, &fOldProt);
|
|---|
| 1155 | break;
|
|---|
| 1156 | }
|
|---|
| 1157 | kHlpAssertStmt(fRc, fOldProt = 0);
|
|---|
| 1158 | }
|
|---|
| 1159 | }
|
|---|
| 1160 |
|
|---|
| 1161 | paThunks[iThunk].u1.AddressOfData = g_aSandboxNativeReplacements[i].pfnReplacement;
|
|---|
| 1162 | break;
|
|---|
| 1163 | }
|
|---|
| 1164 | }
|
|---|
| 1165 | }
|
|---|
| 1166 | }
|
|---|
| 1167 |
|
|---|
| 1168 |
|
|---|
| 1169 | /* Next import descriptor. */
|
|---|
| 1170 | pImpDesc++;
|
|---|
| 1171 | }
|
|---|
| 1172 |
|
|---|
| 1173 |
|
|---|
| 1174 | if (fOldProt)
|
|---|
| 1175 | {
|
|---|
| 1176 | DWORD fIgnore = 0;
|
|---|
| 1177 | fRc = VirtualProtect(pbProtRange, cbProtRange, fOldProt, &fIgnore);
|
|---|
| 1178 | kHlpAssertMsg(fRc, ("%u\n", GetLastError())); K_NOREF(fRc);
|
|---|
| 1179 | }
|
|---|
| 1180 | }
|
|---|
| 1181 |
|
|---|
| 1182 | }
|
|---|
| 1183 |
|
|---|
| 1184 |
|
|---|
| 1185 | /**
|
|---|
| 1186 | * Creates a module from a native kLdr module handle.
|
|---|
| 1187 | *
|
|---|
| 1188 | * @returns Module w/ 1 reference on success, NULL on failure.
|
|---|
| 1189 | * @param pLdrMod The native kLdr module.
|
|---|
| 1190 | * @param pszPath The normalized path to the module.
|
|---|
| 1191 | * @param cbPath The module path length with terminator.
|
|---|
| 1192 | * @param uHashPath The module path hash.
|
|---|
| 1193 | * @param fDoReplacements Whether to do import replacements on this
|
|---|
| 1194 | * module.
|
|---|
| 1195 | */
|
|---|
| 1196 | static PKWMODULE kwLdrModuleCreateForNativekLdrModule(PKLDRMOD pLdrMod, const char *pszPath, KSIZE cbPath, KU32 uHashPath,
|
|---|
| 1197 | KBOOL fDoReplacements)
|
|---|
| 1198 | {
|
|---|
| 1199 | /*
|
|---|
| 1200 | * Create the entry.
|
|---|
| 1201 | */
|
|---|
| 1202 | PKWMODULE pMod = (PKWMODULE)kHlpAllocZ(sizeof(*pMod) + cbPath + cbPath * 2 * sizeof(wchar_t));
|
|---|
| 1203 | if (pMod)
|
|---|
| 1204 | {
|
|---|
| 1205 | pMod->pwszPath = (wchar_t *)(pMod + 1);
|
|---|
| 1206 | kwStrToUtf16(pszPath, (wchar_t *)pMod->pwszPath, cbPath * 2);
|
|---|
| 1207 | pMod->pszPath = (char *)kHlpMemCopy((char *)&pMod->pwszPath[cbPath * 2], pszPath, cbPath);
|
|---|
| 1208 | pMod->uHashPath = uHashPath;
|
|---|
| 1209 | pMod->cRefs = 1;
|
|---|
| 1210 | pMod->offFilename = (KU16)(kHlpGetFilename(pszPath) - pszPath);
|
|---|
| 1211 | pMod->fExe = K_FALSE;
|
|---|
| 1212 | pMod->fNative = K_TRUE;
|
|---|
| 1213 | pMod->pLdrMod = pLdrMod;
|
|---|
| 1214 | pMod->hOurMod = (HMODULE)(KUPTR)pLdrMod->aSegments[0].MapAddress;
|
|---|
| 1215 |
|
|---|
| 1216 | if (fDoReplacements)
|
|---|
| 1217 | {
|
|---|
| 1218 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 1219 | kwLdrModuleDoNativeImportReplacements(pMod);
|
|---|
| 1220 | SetLastError(dwSavedErr);
|
|---|
| 1221 | }
|
|---|
| 1222 |
|
|---|
| 1223 | KW_LOG(("New module: %p LB %#010x %s (native)\n",
|
|---|
| 1224 | (KUPTR)pMod->pLdrMod->aSegments[0].MapAddress, kLdrModSize(pMod->pLdrMod), pMod->pszPath));
|
|---|
| 1225 | return kwLdrModuleLink(pMod);
|
|---|
| 1226 | }
|
|---|
| 1227 | return NULL;
|
|---|
| 1228 | }
|
|---|
| 1229 |
|
|---|
| 1230 |
|
|---|
| 1231 |
|
|---|
| 1232 | /**
|
|---|
| 1233 | * Creates a module using the native loader.
|
|---|
| 1234 | *
|
|---|
| 1235 | * @returns Module w/ 1 reference on success, NULL on failure.
|
|---|
| 1236 | * @param pszPath The normalized path to the module.
|
|---|
| 1237 | * @param uHashPath The module path hash.
|
|---|
| 1238 | * @param fDoReplacements Whether to do import replacements on this
|
|---|
| 1239 | * module.
|
|---|
| 1240 | */
|
|---|
| 1241 | static PKWMODULE kwLdrModuleCreateNative(const char *pszPath, KU32 uHashPath, KBOOL fDoReplacements)
|
|---|
| 1242 | {
|
|---|
| 1243 | /*
|
|---|
| 1244 | * Open the module and check the type.
|
|---|
| 1245 | */
|
|---|
| 1246 | PKLDRMOD pLdrMod;
|
|---|
| 1247 | int rc = kLdrModOpenNative(pszPath, &pLdrMod);
|
|---|
| 1248 | if (rc == 0)
|
|---|
| 1249 | {
|
|---|
| 1250 | PKWMODULE pMod = kwLdrModuleCreateForNativekLdrModule(pLdrMod, pszPath, kHlpStrLen(pszPath) + 1,
|
|---|
| 1251 | uHashPath, fDoReplacements);
|
|---|
| 1252 | if (pMod)
|
|---|
| 1253 | return pMod;
|
|---|
| 1254 | kLdrModClose(pLdrMod);
|
|---|
| 1255 | }
|
|---|
| 1256 | return NULL;
|
|---|
| 1257 | }
|
|---|
| 1258 |
|
|---|
| 1259 |
|
|---|
| 1260 | /**
|
|---|
| 1261 | * Creates a module using the our own loader.
|
|---|
| 1262 | *
|
|---|
| 1263 | * @returns Module w/ 1 reference on success, NULL on failure.
|
|---|
| 1264 | * @param pszPath The normalized path to the module.
|
|---|
| 1265 | * @param uHashPath The module path hash.
|
|---|
| 1266 | * @param fExe K_TRUE if this is an executable image, K_FALSE
|
|---|
| 1267 | * if not. Executable images does not get entered
|
|---|
| 1268 | * into the global module table.
|
|---|
| 1269 | * @param pExeMod The executable module of the process (for
|
|---|
| 1270 | * resolving imports). NULL if fExe is set.
|
|---|
| 1271 | */
|
|---|
| 1272 | static PKWMODULE kwLdrModuleCreateNonNative(const char *pszPath, KU32 uHashPath, KBOOL fExe, PKWMODULE pExeMod)
|
|---|
| 1273 | {
|
|---|
| 1274 | /*
|
|---|
| 1275 | * Open the module and check the type.
|
|---|
| 1276 | */
|
|---|
| 1277 | PKLDRMOD pLdrMod;
|
|---|
| 1278 | int rc = kLdrModOpen(pszPath, 0 /*fFlags*/, (KCPUARCH)K_ARCH, &pLdrMod);
|
|---|
| 1279 | if (rc == 0)
|
|---|
| 1280 | {
|
|---|
| 1281 | switch (pLdrMod->enmType)
|
|---|
| 1282 | {
|
|---|
| 1283 | case KLDRTYPE_EXECUTABLE_FIXED:
|
|---|
| 1284 | case KLDRTYPE_EXECUTABLE_RELOCATABLE:
|
|---|
| 1285 | case KLDRTYPE_EXECUTABLE_PIC:
|
|---|
| 1286 | if (!fExe)
|
|---|
| 1287 | rc = KERR_GENERAL_FAILURE;
|
|---|
| 1288 | break;
|
|---|
| 1289 |
|
|---|
| 1290 | case KLDRTYPE_SHARED_LIBRARY_RELOCATABLE:
|
|---|
| 1291 | case KLDRTYPE_SHARED_LIBRARY_PIC:
|
|---|
| 1292 | case KLDRTYPE_SHARED_LIBRARY_FIXED:
|
|---|
| 1293 | if (fExe)
|
|---|
| 1294 | rc = KERR_GENERAL_FAILURE;
|
|---|
| 1295 | break;
|
|---|
| 1296 |
|
|---|
| 1297 | default:
|
|---|
| 1298 | rc = KERR_GENERAL_FAILURE;
|
|---|
| 1299 | break;
|
|---|
| 1300 | }
|
|---|
| 1301 | if (rc == 0)
|
|---|
| 1302 | {
|
|---|
| 1303 | KI32 cImports = kLdrModNumberOfImports(pLdrMod, NULL /*pvBits*/);
|
|---|
| 1304 | if (cImports >= 0)
|
|---|
| 1305 | {
|
|---|
| 1306 | /*
|
|---|
| 1307 | * Create the entry.
|
|---|
| 1308 | */
|
|---|
| 1309 | KSIZE cbPath = kHlpStrLen(pszPath) + 1;
|
|---|
| 1310 | PKWMODULE pMod = (PKWMODULE)kHlpAllocZ(sizeof(*pMod)
|
|---|
| 1311 | + sizeof(pMod) * cImports
|
|---|
| 1312 | + cbPath
|
|---|
| 1313 | + cbPath * 2 * sizeof(wchar_t));
|
|---|
| 1314 | if (pMod)
|
|---|
| 1315 | {
|
|---|
| 1316 | KBOOL fFixed;
|
|---|
| 1317 |
|
|---|
| 1318 | pMod->cRefs = 1;
|
|---|
| 1319 | pMod->offFilename = (KU16)(kHlpGetFilename(pszPath) - pszPath);
|
|---|
| 1320 | pMod->uHashPath = uHashPath;
|
|---|
| 1321 | pMod->fExe = fExe;
|
|---|
| 1322 | pMod->fNative = K_FALSE;
|
|---|
| 1323 | pMod->pLdrMod = pLdrMod;
|
|---|
| 1324 | pMod->u.Manual.cImpMods = (KU32)cImports;
|
|---|
| 1325 | pMod->u.Manual.fUseLdBuf = K_FALSE;
|
|---|
| 1326 | #if defined(KBUILD_OS_WINDOWS) && defined(KBUILD_ARCH_AMD64)
|
|---|
| 1327 | pMod->u.Manual.fRegisteredFunctionTable = K_FALSE;
|
|---|
| 1328 | #endif
|
|---|
| 1329 | pMod->pszPath = (char *)kHlpMemCopy(&pMod->u.Manual.apImpMods[cImports + 1], pszPath, cbPath);
|
|---|
| 1330 | pMod->pwszPath = (wchar_t *)(pMod->pszPath + cbPath + (cbPath & 1));
|
|---|
| 1331 | kwStrToUtf16(pMod->pszPath, (wchar_t *)pMod->pwszPath, cbPath * 2);
|
|---|
| 1332 |
|
|---|
| 1333 | /*
|
|---|
| 1334 | * Figure out where to load it and get memory there.
|
|---|
| 1335 | */
|
|---|
| 1336 | fFixed = pLdrMod->enmType == KLDRTYPE_EXECUTABLE_FIXED
|
|---|
| 1337 | || pLdrMod->enmType == KLDRTYPE_SHARED_LIBRARY_FIXED;
|
|---|
| 1338 | pMod->u.Manual.pvLoad = fFixed ? (void *)(KUPTR)pLdrMod->aSegments[0].LinkAddress : NULL;
|
|---|
| 1339 | pMod->u.Manual.cbImage = (KSIZE)kLdrModSize(pLdrMod);
|
|---|
| 1340 | if ( !fFixed
|
|---|
| 1341 | || pLdrMod->enmType != KLDRTYPE_EXECUTABLE_FIXED /* only allow fixed executables */
|
|---|
| 1342 | || (KUPTR)pMod->u.Manual.pvLoad - (KUPTR)g_abDefLdBuf >= sizeof(g_abDefLdBuf)
|
|---|
| 1343 | || sizeof(g_abDefLdBuf) - (KUPTR)pMod->u.Manual.pvLoad - (KUPTR)g_abDefLdBuf < pMod->u.Manual.cbImage)
|
|---|
| 1344 | rc = kHlpPageAlloc(&pMod->u.Manual.pvLoad, pMod->u.Manual.cbImage, KPROT_EXECUTE_READWRITE, fFixed);
|
|---|
| 1345 | else
|
|---|
| 1346 | pMod->u.Manual.fUseLdBuf = K_TRUE;
|
|---|
| 1347 | if (rc == 0)
|
|---|
| 1348 | {
|
|---|
| 1349 | rc = kHlpPageAlloc(&pMod->u.Manual.pvCopy, pMod->u.Manual.cbImage, KPROT_READWRITE, K_FALSE);
|
|---|
| 1350 | if (rc == 0)
|
|---|
| 1351 | {
|
|---|
| 1352 |
|
|---|
| 1353 | KI32 iImp;
|
|---|
| 1354 |
|
|---|
| 1355 | /*
|
|---|
| 1356 | * Link the module (unless it's an executable image) and process the imports.
|
|---|
| 1357 | */
|
|---|
| 1358 | pMod->hOurMod = (HMODULE)pMod->u.Manual.pvLoad;
|
|---|
| 1359 | if (!fExe)
|
|---|
| 1360 | kwLdrModuleLink(pMod);
|
|---|
| 1361 | KW_LOG(("New module: %p LB %#010x %s (kLdr)\n",
|
|---|
| 1362 | pMod->u.Manual.pvLoad, pMod->u.Manual.cbImage, pMod->pszPath));
|
|---|
| 1363 | kwDebuggerPrintf("TODO: .reload /f %s=%p\n", pMod->pszPath, pMod->u.Manual.pvLoad);
|
|---|
| 1364 |
|
|---|
| 1365 | for (iImp = 0; iImp < cImports; iImp++)
|
|---|
| 1366 | {
|
|---|
| 1367 | char szName[1024];
|
|---|
| 1368 | rc = kLdrModGetImport(pMod->pLdrMod, NULL /*pvBits*/, iImp, szName, sizeof(szName));
|
|---|
| 1369 | if (rc == 0)
|
|---|
| 1370 | {
|
|---|
| 1371 | rc = kwLdrModuleResolveAndLookup(szName, pExeMod, pMod, &pMod->u.Manual.apImpMods[iImp]);
|
|---|
| 1372 | if (rc == 0)
|
|---|
| 1373 | continue;
|
|---|
| 1374 | }
|
|---|
| 1375 | break;
|
|---|
| 1376 | }
|
|---|
| 1377 |
|
|---|
| 1378 | if (rc == 0)
|
|---|
| 1379 | {
|
|---|
| 1380 | rc = kLdrModGetBits(pLdrMod, pMod->u.Manual.pvCopy, (KUPTR)pMod->u.Manual.pvLoad,
|
|---|
| 1381 | kwLdrModuleGetImportCallback, pMod);
|
|---|
| 1382 | if (rc == 0)
|
|---|
| 1383 | {
|
|---|
| 1384 | #if defined(KBUILD_OS_WINDOWS) && defined(KBUILD_ARCH_AMD64)
|
|---|
| 1385 | /*
|
|---|
| 1386 | * Find the function table. No validation here because the
|
|---|
| 1387 | * loader did that already, right...
|
|---|
| 1388 | */
|
|---|
| 1389 | KU8 *pbImg = (KU8 *)pMod->u.Manual.pvCopy;
|
|---|
| 1390 | IMAGE_NT_HEADERS const *pNtHdrs;
|
|---|
| 1391 | IMAGE_DATA_DIRECTORY const *pXcptDir;
|
|---|
| 1392 | if (((PIMAGE_DOS_HEADER)pbImg)->e_magic == IMAGE_DOS_SIGNATURE)
|
|---|
| 1393 | pNtHdrs = (PIMAGE_NT_HEADERS)&pbImg[((PIMAGE_DOS_HEADER)pbImg)->e_lfanew];
|
|---|
| 1394 | else
|
|---|
| 1395 | pNtHdrs = (PIMAGE_NT_HEADERS)pbImg;
|
|---|
| 1396 | pXcptDir = &pNtHdrs->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_EXCEPTION];
|
|---|
| 1397 | kHlpAssert(pNtHdrs->Signature == IMAGE_NT_SIGNATURE);
|
|---|
| 1398 | if (pXcptDir->Size > 0)
|
|---|
| 1399 | {
|
|---|
| 1400 | pMod->u.Manual.cFunctions = pXcptDir->Size / sizeof(pMod->u.Manual.paFunctions[0]);
|
|---|
| 1401 | kHlpAssert( pMod->u.Manual.cFunctions * sizeof(pMod->u.Manual.paFunctions[0])
|
|---|
| 1402 | == pXcptDir->Size);
|
|---|
| 1403 | pMod->u.Manual.paFunctions = (PRUNTIME_FUNCTION)&pbImg[pXcptDir->VirtualAddress];
|
|---|
| 1404 | }
|
|---|
| 1405 | else
|
|---|
| 1406 | {
|
|---|
| 1407 | pMod->u.Manual.cFunctions = 0;
|
|---|
| 1408 | pMod->u.Manual.paFunctions = NULL;
|
|---|
| 1409 | }
|
|---|
| 1410 | #endif
|
|---|
| 1411 |
|
|---|
| 1412 | /*
|
|---|
| 1413 | * Final finish.
|
|---|
| 1414 | */
|
|---|
| 1415 | pMod->u.Manual.pvBits = pMod->u.Manual.pvCopy;
|
|---|
| 1416 | pMod->u.Manual.enmState = KWMODSTATE_NEEDS_BITS;
|
|---|
| 1417 | return pMod;
|
|---|
| 1418 | }
|
|---|
| 1419 | }
|
|---|
| 1420 |
|
|---|
| 1421 | kwLdrModuleRelease(pMod);
|
|---|
| 1422 | return NULL;
|
|---|
| 1423 | }
|
|---|
| 1424 |
|
|---|
| 1425 | kHlpPageFree(pMod->u.Manual.pvLoad, pMod->u.Manual.cbImage);
|
|---|
| 1426 | kwErrPrintf("Failed to allocate %#x bytes\n", pMod->u.Manual.cbImage);
|
|---|
| 1427 | }
|
|---|
| 1428 | else if (fFixed)
|
|---|
| 1429 | kwErrPrintf("Failed to allocate %#x bytes at %p\n",
|
|---|
| 1430 | pMod->u.Manual.cbImage, (void *)(KUPTR)pLdrMod->aSegments[0].LinkAddress);
|
|---|
| 1431 | else
|
|---|
| 1432 | kwErrPrintf("Failed to allocate %#x bytes\n", pMod->u.Manual.cbImage);
|
|---|
| 1433 | }
|
|---|
| 1434 | }
|
|---|
| 1435 | }
|
|---|
| 1436 | kLdrModClose(pLdrMod);
|
|---|
| 1437 | }
|
|---|
| 1438 | else
|
|---|
| 1439 | kwErrPrintf("kLdrOpen failed with %#x (%d) for %s\n", rc, rc, pszPath);
|
|---|
| 1440 | return NULL;
|
|---|
| 1441 | }
|
|---|
| 1442 |
|
|---|
| 1443 |
|
|---|
| 1444 | /** Implements FNKLDRMODGETIMPORT, used by kwLdrModuleCreate. */
|
|---|
| 1445 | static int kwLdrModuleGetImportCallback(PKLDRMOD pMod, KU32 iImport, KU32 iSymbol, const char *pchSymbol, KSIZE cchSymbol,
|
|---|
| 1446 | const char *pszVersion, PKLDRADDR puValue, KU32 *pfKind, void *pvUser)
|
|---|
| 1447 | {
|
|---|
| 1448 | PKWMODULE pCurMod = (PKWMODULE)pvUser;
|
|---|
| 1449 | PKWMODULE pImpMod = pCurMod->u.Manual.apImpMods[iImport];
|
|---|
| 1450 | int rc;
|
|---|
| 1451 | K_NOREF(pMod);
|
|---|
| 1452 |
|
|---|
| 1453 | if (pImpMod->fNative)
|
|---|
| 1454 | rc = kLdrModQuerySymbol(pImpMod->pLdrMod, NULL /*pvBits*/, KLDRMOD_BASEADDRESS_MAP,
|
|---|
| 1455 | iSymbol, pchSymbol, cchSymbol, pszVersion,
|
|---|
| 1456 | NULL /*pfnGetForwarder*/, NULL /*pvUSer*/,
|
|---|
| 1457 | puValue, pfKind);
|
|---|
| 1458 | else
|
|---|
| 1459 | rc = kLdrModQuerySymbol(pImpMod->pLdrMod, pImpMod->u.Manual.pvBits, (KUPTR)pImpMod->u.Manual.pvLoad,
|
|---|
| 1460 | iSymbol, pchSymbol, cchSymbol, pszVersion,
|
|---|
| 1461 | NULL /*pfnGetForwarder*/, NULL /*pvUSer*/,
|
|---|
| 1462 | puValue, pfKind);
|
|---|
| 1463 | if (rc == 0)
|
|---|
| 1464 | {
|
|---|
| 1465 | KU32 i = g_cSandboxReplacements;
|
|---|
| 1466 | while (i-- > 0)
|
|---|
| 1467 | if ( g_aSandboxReplacements[i].cchFunction == cchSymbol
|
|---|
| 1468 | && kHlpMemComp(g_aSandboxReplacements[i].pszFunction, pchSymbol, cchSymbol) == 0)
|
|---|
| 1469 | {
|
|---|
| 1470 | if ( !g_aSandboxReplacements[i].pszModule
|
|---|
| 1471 | || kHlpStrICompAscii(g_aSandboxReplacements[i].pszModule, &pImpMod->pszPath[pImpMod->offFilename]) == 0)
|
|---|
| 1472 | {
|
|---|
| 1473 | KW_LOG(("replacing %s!%s\n", &pImpMod->pszPath[pImpMod->offFilename], g_aSandboxReplacements[i].pszFunction));
|
|---|
| 1474 | *puValue = g_aSandboxReplacements[i].pfnReplacement;
|
|---|
| 1475 | break;
|
|---|
| 1476 | }
|
|---|
| 1477 | }
|
|---|
| 1478 | }
|
|---|
| 1479 |
|
|---|
| 1480 | //printf("iImport=%u (%s) %*.*s rc=%d\n", iImport, &pImpMod->pszPath[pImpMod->offFilename], cchSymbol, cchSymbol, pchSymbol, rc);
|
|---|
| 1481 | return rc;
|
|---|
| 1482 |
|
|---|
| 1483 | }
|
|---|
| 1484 |
|
|---|
| 1485 |
|
|---|
| 1486 | /**
|
|---|
| 1487 | * Gets the main entrypoint for a module.
|
|---|
| 1488 | *
|
|---|
| 1489 | * @returns 0 on success, KERR on failure
|
|---|
| 1490 | * @param pMod The module.
|
|---|
| 1491 | * @param puAddrMain Where to return the address.
|
|---|
| 1492 | */
|
|---|
| 1493 | static int kwLdrModuleQueryMainEntrypoint(PKWMODULE pMod, KUPTR *puAddrMain)
|
|---|
| 1494 | {
|
|---|
| 1495 | KLDRADDR uLdrAddrMain;
|
|---|
| 1496 | int rc = kLdrModQueryMainEntrypoint(pMod->pLdrMod, pMod->u.Manual.pvBits, (KUPTR)pMod->u.Manual.pvLoad, &uLdrAddrMain);
|
|---|
| 1497 | if (rc == 0)
|
|---|
| 1498 | {
|
|---|
| 1499 | *puAddrMain = (KUPTR)uLdrAddrMain;
|
|---|
| 1500 | return 0;
|
|---|
| 1501 | }
|
|---|
| 1502 | return rc;
|
|---|
| 1503 | }
|
|---|
| 1504 |
|
|---|
| 1505 |
|
|---|
| 1506 | /**
|
|---|
| 1507 | * Whether to apply g_aSandboxNativeReplacements to the imports of this module.
|
|---|
| 1508 | *
|
|---|
| 1509 | * @returns K_TRUE/K_FALSE.
|
|---|
| 1510 | * @param pszFilename The filename (no path).
|
|---|
| 1511 | * @param enmLocation The location.
|
|---|
| 1512 | */
|
|---|
| 1513 | static KBOOL kwLdrModuleShouldDoNativeReplacements(const char *pszFilename, KWLOCATION enmLocation)
|
|---|
| 1514 | {
|
|---|
| 1515 | if (enmLocation != KWLOCATION_SYSTEM32)
|
|---|
| 1516 | return K_TRUE;
|
|---|
| 1517 | return kHlpStrNICompAscii(pszFilename, TUPLE("msvc")) == 0
|
|---|
| 1518 | || kHlpStrNICompAscii(pszFilename, TUPLE("msdis")) == 0
|
|---|
| 1519 | || kHlpStrNICompAscii(pszFilename, TUPLE("mspdb")) == 0;
|
|---|
| 1520 | }
|
|---|
| 1521 |
|
|---|
| 1522 |
|
|---|
| 1523 | /**
|
|---|
| 1524 | * Whether we can load this DLL natively or not.
|
|---|
| 1525 | *
|
|---|
| 1526 | * @returns K_TRUE/K_FALSE.
|
|---|
| 1527 | * @param pszFilename The filename (no path).
|
|---|
| 1528 | * @param enmLocation The location.
|
|---|
| 1529 | */
|
|---|
| 1530 | static KBOOL kwLdrModuleCanLoadNatively(const char *pszFilename, KWLOCATION enmLocation)
|
|---|
| 1531 | {
|
|---|
| 1532 | if (enmLocation == KWLOCATION_SYSTEM32)
|
|---|
| 1533 | return K_TRUE;
|
|---|
| 1534 | if (enmLocation == KWLOCATION_UNKNOWN_NATIVE)
|
|---|
| 1535 | return K_TRUE;
|
|---|
| 1536 | return kHlpStrNICompAscii(pszFilename, TUPLE("msvc")) == 0
|
|---|
| 1537 | || kHlpStrNICompAscii(pszFilename, TUPLE("msdis")) == 0
|
|---|
| 1538 | || kHlpStrNICompAscii(pszFilename, TUPLE("mspdb")) == 0;
|
|---|
| 1539 | }
|
|---|
| 1540 |
|
|---|
| 1541 |
|
|---|
| 1542 | /**
|
|---|
| 1543 | * Check if the path leads to a regular file (that exists).
|
|---|
| 1544 | *
|
|---|
| 1545 | * @returns K_TRUE / K_FALSE
|
|---|
| 1546 | * @param pszPath Path to the file to check out.
|
|---|
| 1547 | */
|
|---|
| 1548 | static KBOOL kwLdrModuleIsRegularFile(const char *pszPath)
|
|---|
| 1549 | {
|
|---|
| 1550 | /* For stuff with .DLL extensions, we can use the GetFileAttribute cache to speed this up! */
|
|---|
| 1551 | KSIZE cchPath = kHlpStrLen(pszPath);
|
|---|
| 1552 | if ( cchPath > 3
|
|---|
| 1553 | && pszPath[cchPath - 4] == '.'
|
|---|
| 1554 | && (pszPath[cchPath - 3] == 'd' || pszPath[cchPath - 3] == 'D')
|
|---|
| 1555 | && (pszPath[cchPath - 2] == 'l' || pszPath[cchPath - 2] == 'L')
|
|---|
| 1556 | && (pszPath[cchPath - 1] == 'l' || pszPath[cchPath - 1] == 'L') )
|
|---|
| 1557 | {
|
|---|
| 1558 | KFSLOOKUPERROR enmError;
|
|---|
| 1559 | PKFSOBJ pFsObj = kFsCacheLookupNoMissingA(g_pFsCache, pszPath, &enmError);
|
|---|
| 1560 | if (pFsObj)
|
|---|
| 1561 | {
|
|---|
| 1562 | KBOOL fRc = pFsObj->bObjType == KFSOBJ_TYPE_FILE;
|
|---|
| 1563 | kFsCacheObjRelease(g_pFsCache, pFsObj);
|
|---|
| 1564 | return fRc;
|
|---|
| 1565 | }
|
|---|
| 1566 | }
|
|---|
| 1567 | else
|
|---|
| 1568 | {
|
|---|
| 1569 | BirdStat_T Stat;
|
|---|
| 1570 | int rc = birdStatFollowLink(pszPath, &Stat);
|
|---|
| 1571 | if (rc == 0)
|
|---|
| 1572 | {
|
|---|
| 1573 | if (S_ISREG(Stat.st_mode))
|
|---|
| 1574 | return K_TRUE;
|
|---|
| 1575 | }
|
|---|
| 1576 | }
|
|---|
| 1577 | return K_FALSE;
|
|---|
| 1578 | }
|
|---|
| 1579 |
|
|---|
| 1580 |
|
|---|
| 1581 | /**
|
|---|
| 1582 | * Worker for kwLdrModuleResolveAndLookup that checks out one possibility.
|
|---|
| 1583 | *
|
|---|
| 1584 | * If the file exists, we consult the module hash table before trying to load it
|
|---|
| 1585 | * off the disk.
|
|---|
| 1586 | *
|
|---|
| 1587 | * @returns Pointer to module on success, NULL if not found, ~(KUPTR)0 on
|
|---|
| 1588 | * failure.
|
|---|
| 1589 | * @param pszPath The name of the import module.
|
|---|
| 1590 | * @param enmLocation The location we're searching. This is used in
|
|---|
| 1591 | * the heuristics for determining if we can use the
|
|---|
| 1592 | * native loader or need to sandbox the DLL.
|
|---|
| 1593 | * @param pExe The executable (optional).
|
|---|
| 1594 | */
|
|---|
| 1595 | static PKWMODULE kwLdrModuleTryLoadDll(const char *pszPath, KWLOCATION enmLocation, PKWMODULE pExeMod)
|
|---|
| 1596 | {
|
|---|
| 1597 | /*
|
|---|
| 1598 | * Does the file exists and is it a regular file?
|
|---|
| 1599 | */
|
|---|
| 1600 | if (kwLdrModuleIsRegularFile(pszPath))
|
|---|
| 1601 | {
|
|---|
| 1602 | /*
|
|---|
| 1603 | * Yes! Normalize it and look it up in the hash table.
|
|---|
| 1604 | */
|
|---|
| 1605 | char szNormPath[1024];
|
|---|
| 1606 | int rc = kwPathNormalize(pszPath, szNormPath, sizeof(szNormPath));
|
|---|
| 1607 | if (rc == 0)
|
|---|
| 1608 | {
|
|---|
| 1609 | const char *pszName;
|
|---|
| 1610 | KU32 const uHashPath = kwStrHash(szNormPath);
|
|---|
| 1611 | unsigned idxHash = uHashPath % K_ELEMENTS(g_apModules);
|
|---|
| 1612 | PKWMODULE pMod = g_apModules[idxHash];
|
|---|
| 1613 | if (pMod)
|
|---|
| 1614 | {
|
|---|
| 1615 | do
|
|---|
| 1616 | {
|
|---|
| 1617 | if ( pMod->uHashPath == uHashPath
|
|---|
| 1618 | && kHlpStrComp(pMod->pszPath, szNormPath) == 0)
|
|---|
| 1619 | return kwLdrModuleRetain(pMod);
|
|---|
| 1620 | pMod = pMod->pNext;
|
|---|
| 1621 | } while (pMod);
|
|---|
| 1622 | }
|
|---|
| 1623 |
|
|---|
| 1624 | /*
|
|---|
| 1625 | * Not in the hash table, so we have to load it from scratch.
|
|---|
| 1626 | */
|
|---|
| 1627 | pszName = kHlpGetFilename(szNormPath);
|
|---|
| 1628 | if (kwLdrModuleCanLoadNatively(pszName, enmLocation))
|
|---|
| 1629 | pMod = kwLdrModuleCreateNative(szNormPath, uHashPath,
|
|---|
| 1630 | kwLdrModuleShouldDoNativeReplacements(pszName, enmLocation));
|
|---|
| 1631 | else
|
|---|
| 1632 | pMod = kwLdrModuleCreateNonNative(szNormPath, uHashPath, K_FALSE /*fExe*/, pExeMod);
|
|---|
| 1633 | if (pMod)
|
|---|
| 1634 | return pMod;
|
|---|
| 1635 | return (PKWMODULE)~(KUPTR)0;
|
|---|
| 1636 | }
|
|---|
| 1637 | }
|
|---|
| 1638 | return NULL;
|
|---|
| 1639 | }
|
|---|
| 1640 |
|
|---|
| 1641 |
|
|---|
| 1642 | /**
|
|---|
| 1643 | * Gets a reference to the module by the given name.
|
|---|
| 1644 | *
|
|---|
| 1645 | * We must do the search path thing, as our hash table may multiple DLLs with
|
|---|
| 1646 | * the same base name due to different tools version and similar. We'll use a
|
|---|
| 1647 | * modified search sequence, though. No point in searching the current
|
|---|
| 1648 | * directory for instance.
|
|---|
| 1649 | *
|
|---|
| 1650 | * @returns 0 on success, KERR on failure.
|
|---|
| 1651 | * @param pszName The name of the import module.
|
|---|
| 1652 | * @param pExe The executable (optional).
|
|---|
| 1653 | * @param pImporter The module doing the importing (optional).
|
|---|
| 1654 | * @param ppMod Where to return the module pointer w/ reference.
|
|---|
| 1655 | */
|
|---|
| 1656 | static int kwLdrModuleResolveAndLookup(const char *pszName, PKWMODULE pExe, PKWMODULE pImporter, PKWMODULE *ppMod)
|
|---|
| 1657 | {
|
|---|
| 1658 | KSIZE const cchName = kHlpStrLen(pszName);
|
|---|
| 1659 | char szPath[1024];
|
|---|
| 1660 | char *psz;
|
|---|
| 1661 | PKWMODULE pMod = NULL;
|
|---|
| 1662 | KBOOL fNeedSuffix = *kHlpGetExt(pszName) == '\0' && kHlpGetFilename(pszName) == pszName;
|
|---|
| 1663 | KSIZE cchSuffix = fNeedSuffix ? 4 : 0;
|
|---|
| 1664 |
|
|---|
| 1665 |
|
|---|
| 1666 | /* The import path. */
|
|---|
| 1667 | if (pMod == NULL && pImporter != NULL)
|
|---|
| 1668 | {
|
|---|
| 1669 | if (pImporter->offFilename + cchName + cchSuffix >= sizeof(szPath))
|
|---|
| 1670 | return KERR_BUFFER_OVERFLOW;
|
|---|
| 1671 |
|
|---|
| 1672 | psz = (char *)kHlpMemPCopy(kHlpMemPCopy(szPath, pImporter->pszPath, pImporter->offFilename), pszName, cchName + 1);
|
|---|
| 1673 | if (fNeedSuffix)
|
|---|
| 1674 | kHlpMemCopy(psz - 1, ".dll", sizeof(".dll"));
|
|---|
| 1675 | pMod = kwLdrModuleTryLoadDll(szPath, KWLOCATION_IMPORTER_DIR, pExe);
|
|---|
| 1676 | }
|
|---|
| 1677 |
|
|---|
| 1678 | /* Application directory first. */
|
|---|
| 1679 | if (pMod == NULL && pExe != NULL && pExe != pImporter)
|
|---|
| 1680 | {
|
|---|
| 1681 | if (pExe->offFilename + cchName + cchSuffix >= sizeof(szPath))
|
|---|
| 1682 | return KERR_BUFFER_OVERFLOW;
|
|---|
| 1683 | psz = (char *)kHlpMemPCopy(kHlpMemPCopy(szPath, pExe->pszPath, pExe->offFilename), pszName, cchName + 1);
|
|---|
| 1684 | if (fNeedSuffix)
|
|---|
| 1685 | kHlpMemCopy(psz - 1, ".dll", sizeof(".dll"));
|
|---|
| 1686 | pMod = kwLdrModuleTryLoadDll(szPath, KWLOCATION_EXE_DIR, pExe);
|
|---|
| 1687 | }
|
|---|
| 1688 |
|
|---|
| 1689 | /* The windows directory. */
|
|---|
| 1690 | if (pMod == NULL)
|
|---|
| 1691 | {
|
|---|
| 1692 | UINT cchDir = GetSystemDirectoryA(szPath, sizeof(szPath));
|
|---|
| 1693 | if ( cchDir <= 2
|
|---|
| 1694 | || cchDir + 1 + cchName + cchSuffix >= sizeof(szPath))
|
|---|
| 1695 | return KERR_BUFFER_OVERFLOW;
|
|---|
| 1696 | szPath[cchDir++] = '\\';
|
|---|
| 1697 | psz = (char *)kHlpMemPCopy(&szPath[cchDir], pszName, cchName + 1);
|
|---|
| 1698 | if (fNeedSuffix)
|
|---|
| 1699 | kHlpMemCopy(psz - 1, ".dll", sizeof(".dll"));
|
|---|
| 1700 | pMod = kwLdrModuleTryLoadDll(szPath, KWLOCATION_SYSTEM32, pExe);
|
|---|
| 1701 | }
|
|---|
| 1702 |
|
|---|
| 1703 | /* Return. */
|
|---|
| 1704 | if (pMod != NULL && pMod != (PKWMODULE)~(KUPTR)0)
|
|---|
| 1705 | {
|
|---|
| 1706 | *ppMod = pMod;
|
|---|
| 1707 | return 0;
|
|---|
| 1708 | }
|
|---|
| 1709 | *ppMod = NULL;
|
|---|
| 1710 | return KERR_GENERAL_FAILURE;
|
|---|
| 1711 | }
|
|---|
| 1712 |
|
|---|
| 1713 |
|
|---|
| 1714 | /**
|
|---|
| 1715 | * Does module initialization starting at @a pMod.
|
|---|
| 1716 | *
|
|---|
| 1717 | * This is initially used on the executable. Later it is used by the
|
|---|
| 1718 | * LoadLibrary interceptor.
|
|---|
| 1719 | *
|
|---|
| 1720 | * @returns 0 on success, error on failure.
|
|---|
| 1721 | * @param pMod The module to initialize.
|
|---|
| 1722 | */
|
|---|
| 1723 | static int kwLdrModuleInitTree(PKWMODULE pMod)
|
|---|
| 1724 | {
|
|---|
| 1725 | int rc = 0;
|
|---|
| 1726 | if (!pMod->fNative)
|
|---|
| 1727 | {
|
|---|
| 1728 | /* Need to copy bits? */
|
|---|
| 1729 | if (pMod->u.Manual.enmState == KWMODSTATE_NEEDS_BITS)
|
|---|
| 1730 | {
|
|---|
| 1731 | if (pMod->u.Manual.fUseLdBuf)
|
|---|
| 1732 | {
|
|---|
| 1733 | #if defined(KBUILD_OS_WINDOWS) && defined(KBUILD_ARCH_AMD64)
|
|---|
| 1734 | if (g_pModInLdBuf != NULL && g_pModInLdBuf != pMod && pMod->u.Manual.fRegisteredFunctionTable)
|
|---|
| 1735 | {
|
|---|
| 1736 | BOOLEAN fRc = RtlDeleteFunctionTable(pMod->u.Manual.paFunctions);
|
|---|
| 1737 | kHlpAssert(fRc); K_NOREF(fRc);
|
|---|
| 1738 | }
|
|---|
| 1739 | #endif
|
|---|
| 1740 | g_pModInLdBuf = pMod;
|
|---|
| 1741 | }
|
|---|
| 1742 |
|
|---|
| 1743 | kHlpMemCopy(pMod->u.Manual.pvLoad, pMod->u.Manual.pvCopy, pMod->u.Manual.cbImage);
|
|---|
| 1744 | pMod->u.Manual.enmState = KWMODSTATE_NEEDS_INIT;
|
|---|
| 1745 | }
|
|---|
| 1746 |
|
|---|
| 1747 | #if defined(KBUILD_OS_WINDOWS) && defined(KBUILD_ARCH_AMD64)
|
|---|
| 1748 | /* Need to register function table? */
|
|---|
| 1749 | if ( !pMod->u.Manual.fRegisteredFunctionTable
|
|---|
| 1750 | && pMod->u.Manual.cFunctions > 0)
|
|---|
| 1751 | {
|
|---|
| 1752 | pMod->u.Manual.fRegisteredFunctionTable = RtlAddFunctionTable(pMod->u.Manual.paFunctions,
|
|---|
| 1753 | pMod->u.Manual.cFunctions,
|
|---|
| 1754 | (KUPTR)pMod->u.Manual.pvLoad) != FALSE;
|
|---|
| 1755 | kHlpAssert(pMod->u.Manual.fRegisteredFunctionTable);
|
|---|
| 1756 | }
|
|---|
| 1757 | #endif
|
|---|
| 1758 |
|
|---|
| 1759 | if (pMod->u.Manual.enmState == KWMODSTATE_NEEDS_INIT)
|
|---|
| 1760 | {
|
|---|
| 1761 | /* Must do imports first, but mark our module as being initialized to avoid
|
|---|
| 1762 | endless recursion should there be a dependency loop. */
|
|---|
| 1763 | KSIZE iImp;
|
|---|
| 1764 | pMod->u.Manual.enmState = KWMODSTATE_BEING_INITED;
|
|---|
| 1765 |
|
|---|
| 1766 | for (iImp = 0; iImp < pMod->u.Manual.cImpMods; iImp++)
|
|---|
| 1767 | {
|
|---|
| 1768 | rc = kwLdrModuleInitTree(pMod->u.Manual.apImpMods[iImp]);
|
|---|
| 1769 | if (rc != 0)
|
|---|
| 1770 | return rc;
|
|---|
| 1771 | }
|
|---|
| 1772 |
|
|---|
| 1773 | rc = kLdrModCallInit(pMod->pLdrMod, pMod->u.Manual.pvLoad, (KUPTR)pMod->u.Manual.pvLoad);
|
|---|
| 1774 | if (rc == 0)
|
|---|
| 1775 | pMod->u.Manual.enmState = KWMODSTATE_READY;
|
|---|
| 1776 | else
|
|---|
| 1777 | pMod->u.Manual.enmState = KWMODSTATE_INIT_FAILED;
|
|---|
| 1778 | }
|
|---|
| 1779 | }
|
|---|
| 1780 | return rc;
|
|---|
| 1781 | }
|
|---|
| 1782 |
|
|---|
| 1783 |
|
|---|
| 1784 | /**
|
|---|
| 1785 | * Looks up a module handle for a tool.
|
|---|
| 1786 | *
|
|---|
| 1787 | * @returns Referenced loader module on success, NULL on if not found.
|
|---|
| 1788 | * @param pTool The tool.
|
|---|
| 1789 | * @param hmod The module handle.
|
|---|
| 1790 | */
|
|---|
| 1791 | static PKWMODULE kwToolLocateModuleByHandle(PKWTOOL pTool, HMODULE hmod)
|
|---|
| 1792 | {
|
|---|
| 1793 | KUPTR const uHMod = (KUPTR)hmod;
|
|---|
| 1794 | PKWMODULE *papMods;
|
|---|
| 1795 | KU32 iEnd;
|
|---|
| 1796 | KU32 i;
|
|---|
| 1797 | PKWDYNLOAD pDynLoad;
|
|---|
| 1798 |
|
|---|
| 1799 | /* The executable. */
|
|---|
| 1800 | if ( hmod == NULL
|
|---|
| 1801 | || pTool->u.Sandboxed.pExe->hOurMod == hmod)
|
|---|
| 1802 | return kwLdrModuleRetain(pTool->u.Sandboxed.pExe);
|
|---|
| 1803 |
|
|---|
| 1804 | /*
|
|---|
| 1805 | * Binary lookup using the module table.
|
|---|
| 1806 | */
|
|---|
| 1807 | papMods = pTool->u.Sandboxed.papModules;
|
|---|
| 1808 | iEnd = pTool->u.Sandboxed.cModules;
|
|---|
| 1809 | if (iEnd)
|
|---|
| 1810 | {
|
|---|
| 1811 | KU32 iStart = 0;
|
|---|
| 1812 | i = iEnd / 2;
|
|---|
| 1813 | for (;;)
|
|---|
| 1814 | {
|
|---|
| 1815 | KUPTR const uHModThis = (KUPTR)papMods[i]->hOurMod;
|
|---|
| 1816 | if (uHMod < uHModThis)
|
|---|
| 1817 | {
|
|---|
| 1818 | iEnd = i--;
|
|---|
| 1819 | if (iStart <= i)
|
|---|
| 1820 | { }
|
|---|
| 1821 | else
|
|---|
| 1822 | break;
|
|---|
| 1823 | }
|
|---|
| 1824 | else if (uHMod != uHModThis)
|
|---|
| 1825 | {
|
|---|
| 1826 | iStart = ++i;
|
|---|
| 1827 | if (i < iEnd)
|
|---|
| 1828 | { }
|
|---|
| 1829 | else
|
|---|
| 1830 | break;
|
|---|
| 1831 | }
|
|---|
| 1832 | else
|
|---|
| 1833 | return kwLdrModuleRetain(papMods[i]);
|
|---|
| 1834 |
|
|---|
| 1835 | i = iStart + (iEnd - iStart) / 2;
|
|---|
| 1836 | }
|
|---|
| 1837 |
|
|---|
| 1838 | #ifndef NDEBUG
|
|---|
| 1839 | iStart = pTool->u.Sandboxed.cModules;
|
|---|
| 1840 | while (--iStart > 0)
|
|---|
| 1841 | kHlpAssert((KUPTR)papMods[iStart]->hOurMod != uHMod);
|
|---|
| 1842 | kHlpAssert(i == 0 || (KUPTR)papMods[i - 1]->hOurMod < uHMod);
|
|---|
| 1843 | kHlpAssert(i == pTool->u.Sandboxed.cModules || (KUPTR)papMods[i]->hOurMod > uHMod);
|
|---|
| 1844 | #endif
|
|---|
| 1845 | }
|
|---|
| 1846 |
|
|---|
| 1847 | /*
|
|---|
| 1848 | * Dynamically loaded images.
|
|---|
| 1849 | */
|
|---|
| 1850 | for (pDynLoad = pTool->u.Sandboxed.pDynLoadHead; pDynLoad != NULL; pDynLoad = pDynLoad->pNext)
|
|---|
| 1851 | if (pDynLoad->hmod == hmod)
|
|---|
| 1852 | {
|
|---|
| 1853 | if (pDynLoad->pMod)
|
|---|
| 1854 | return kwLdrModuleRetain(pDynLoad->pMod);
|
|---|
| 1855 | KWFS_TODO();
|
|---|
| 1856 | return NULL;
|
|---|
| 1857 | }
|
|---|
| 1858 |
|
|---|
| 1859 | return NULL;
|
|---|
| 1860 | }
|
|---|
| 1861 |
|
|---|
| 1862 | /**
|
|---|
| 1863 | * Adds the given module to the tool import table.
|
|---|
| 1864 | *
|
|---|
| 1865 | * @returns 0 on success, non-zero on failure.
|
|---|
| 1866 | * @param pTool The tool.
|
|---|
| 1867 | * @param pMod The module.
|
|---|
| 1868 | */
|
|---|
| 1869 | static int kwToolAddModule(PKWTOOL pTool, PKWMODULE pMod)
|
|---|
| 1870 | {
|
|---|
| 1871 | /*
|
|---|
| 1872 | * Binary lookup. Locating the right slot for it, return if already there.
|
|---|
| 1873 | */
|
|---|
| 1874 | KUPTR const uHMod = (KUPTR)pMod->hOurMod;
|
|---|
| 1875 | PKWMODULE *papMods = pTool->u.Sandboxed.papModules;
|
|---|
| 1876 | KU32 iEnd = pTool->u.Sandboxed.cModules;
|
|---|
| 1877 | KU32 i;
|
|---|
| 1878 | if (iEnd)
|
|---|
| 1879 | {
|
|---|
| 1880 | KU32 iStart = 0;
|
|---|
| 1881 | i = iEnd / 2;
|
|---|
| 1882 | for (;;)
|
|---|
| 1883 | {
|
|---|
| 1884 | KUPTR const uHModThis = (KUPTR)papMods[i]->hOurMod;
|
|---|
| 1885 | if (uHMod < uHModThis)
|
|---|
| 1886 | {
|
|---|
| 1887 | iEnd = i;
|
|---|
| 1888 | if (iStart < i)
|
|---|
| 1889 | { }
|
|---|
| 1890 | else
|
|---|
| 1891 | break;
|
|---|
| 1892 | }
|
|---|
| 1893 | else if (uHMod != uHModThis)
|
|---|
| 1894 | {
|
|---|
| 1895 | iStart = ++i;
|
|---|
| 1896 | if (i < iEnd)
|
|---|
| 1897 | { }
|
|---|
| 1898 | else
|
|---|
| 1899 | break;
|
|---|
| 1900 | }
|
|---|
| 1901 | else
|
|---|
| 1902 | {
|
|---|
| 1903 | /* Already there in the table. */
|
|---|
| 1904 | return 0;
|
|---|
| 1905 | }
|
|---|
| 1906 |
|
|---|
| 1907 | i = iStart + (iEnd - iStart) / 2;
|
|---|
| 1908 | }
|
|---|
| 1909 | #ifndef NDEBUG
|
|---|
| 1910 | iStart = pTool->u.Sandboxed.cModules;
|
|---|
| 1911 | while (--iStart > 0)
|
|---|
| 1912 | {
|
|---|
| 1913 | kHlpAssert(papMods[iStart] != pMod);
|
|---|
| 1914 | kHlpAssert((KUPTR)papMods[iStart]->hOurMod != uHMod);
|
|---|
| 1915 | }
|
|---|
| 1916 | kHlpAssert(i == 0 || (KUPTR)papMods[i - 1]->hOurMod < uHMod);
|
|---|
| 1917 | kHlpAssert(i == pTool->u.Sandboxed.cModules || (KUPTR)papMods[i]->hOurMod > uHMod);
|
|---|
| 1918 | #endif
|
|---|
| 1919 | }
|
|---|
| 1920 | else
|
|---|
| 1921 | i = 0;
|
|---|
| 1922 |
|
|---|
| 1923 | /*
|
|---|
| 1924 | * Grow the table?
|
|---|
| 1925 | */
|
|---|
| 1926 | if ((pTool->u.Sandboxed.cModules % 16) == 0)
|
|---|
| 1927 | {
|
|---|
| 1928 | void *pvNew = kHlpRealloc(papMods, sizeof(papMods[0]) * (pTool->u.Sandboxed.cModules + 16));
|
|---|
| 1929 | if (!pvNew)
|
|---|
| 1930 | return KERR_NO_MEMORY;
|
|---|
| 1931 | pTool->u.Sandboxed.papModules = papMods = (PKWMODULE *)pvNew;
|
|---|
| 1932 | }
|
|---|
| 1933 |
|
|---|
| 1934 | /* Insert it. */
|
|---|
| 1935 | if (i != pTool->u.Sandboxed.cModules)
|
|---|
| 1936 | kHlpMemMove(&papMods[i + 1], &papMods[i], (pTool->u.Sandboxed.cModules - i) * sizeof(papMods[0]));
|
|---|
| 1937 | papMods[i] = kwLdrModuleRetain(pMod);
|
|---|
| 1938 | pTool->u.Sandboxed.cModules++;
|
|---|
| 1939 | KW_LOG(("kwToolAddModule: %u modules after adding %p=%s\n", pTool->u.Sandboxed.cModules, uHMod, pMod->pszPath));
|
|---|
| 1940 | return 0;
|
|---|
| 1941 | }
|
|---|
| 1942 |
|
|---|
| 1943 |
|
|---|
| 1944 | /**
|
|---|
| 1945 | * Adds the given module and all its imports to the
|
|---|
| 1946 | *
|
|---|
| 1947 | * @returns 0 on success, non-zero on failure.
|
|---|
| 1948 | * @param pTool The tool.
|
|---|
| 1949 | * @param pMod The module.
|
|---|
| 1950 | */
|
|---|
| 1951 | static int kwToolAddModuleAndImports(PKWTOOL pTool, PKWMODULE pMod)
|
|---|
| 1952 | {
|
|---|
| 1953 | int rc = kwToolAddModule(pTool, pMod);
|
|---|
| 1954 | if (!pMod->fNative && rc == 0)
|
|---|
| 1955 | {
|
|---|
| 1956 | KSIZE iImp = pMod->u.Manual.cImpMods;
|
|---|
| 1957 | while (iImp-- > 0)
|
|---|
| 1958 | {
|
|---|
| 1959 | rc = kwToolAddModuleAndImports(pTool, pMod->u.Manual.apImpMods[iImp]);
|
|---|
| 1960 | if (rc == 0)
|
|---|
| 1961 | { }
|
|---|
| 1962 | else
|
|---|
| 1963 | break;
|
|---|
| 1964 | }
|
|---|
| 1965 | }
|
|---|
| 1966 | return 0;
|
|---|
| 1967 | }
|
|---|
| 1968 |
|
|---|
| 1969 |
|
|---|
| 1970 | /**
|
|---|
| 1971 | * Creates a tool entry and inserts it.
|
|---|
| 1972 | *
|
|---|
| 1973 | * @returns Pointer to the tool entry. NULL on failure.
|
|---|
| 1974 | * @param pToolFsObj The file object of the tool. The created tool
|
|---|
| 1975 | * will be associated with it.
|
|---|
| 1976 | *
|
|---|
| 1977 | * A reference is donated by the caller and must be
|
|---|
| 1978 | * released.
|
|---|
| 1979 | */
|
|---|
| 1980 | static PKWTOOL kwToolEntryCreate(PKFSOBJ pToolFsObj)
|
|---|
| 1981 | {
|
|---|
| 1982 | KSIZE cwcPath = pToolFsObj->cwcParent + pToolFsObj->cwcName + 1;
|
|---|
| 1983 | KSIZE cbPath = pToolFsObj->cchParent + pToolFsObj->cchName + 1;
|
|---|
| 1984 | PKWTOOL pTool = (PKWTOOL)kFsCacheObjAddUserData(g_pFsCache, pToolFsObj, KW_DATA_KEY_TOOL,
|
|---|
| 1985 | sizeof(*pTool) + cwcPath * sizeof(wchar_t) + cbPath);
|
|---|
| 1986 | if (pTool)
|
|---|
| 1987 | {
|
|---|
| 1988 | KBOOL fRc;
|
|---|
| 1989 | pTool->pwszPath = (wchar_t const *)(pTool + 1);
|
|---|
| 1990 | fRc = kFsCacheObjGetFullPathW(pToolFsObj, (wchar_t *)pTool->pwszPath, cwcPath, '\\');
|
|---|
| 1991 | kHlpAssert(fRc); K_NOREF(fRc);
|
|---|
| 1992 |
|
|---|
| 1993 | pTool->pszPath = (char const *)&pTool->pwszPath[cwcPath];
|
|---|
| 1994 | fRc = kFsCacheObjGetFullPathA(pToolFsObj, (char *)pTool->pszPath, cbPath, '\\');
|
|---|
| 1995 | kHlpAssert(fRc);
|
|---|
| 1996 |
|
|---|
| 1997 | pTool->enmType = KWTOOLTYPE_SANDBOXED;
|
|---|
| 1998 | pTool->u.Sandboxed.pExe = kwLdrModuleCreateNonNative(pTool->pszPath, kwStrHash(pTool->pszPath), K_TRUE /*fExe*/, NULL);
|
|---|
| 1999 | if (pTool->u.Sandboxed.pExe)
|
|---|
| 2000 | {
|
|---|
| 2001 | int rc = kwLdrModuleQueryMainEntrypoint(pTool->u.Sandboxed.pExe, &pTool->u.Sandboxed.uMainAddr);
|
|---|
| 2002 | if (rc == 0)
|
|---|
| 2003 | {
|
|---|
| 2004 | if (kHlpStrICompAscii(pToolFsObj->pszName, "cl.exe") == 0)
|
|---|
| 2005 | pTool->u.Sandboxed.enmHint = KWTOOLHINT_VISUAL_CPP_CL;
|
|---|
| 2006 | else
|
|---|
| 2007 | pTool->u.Sandboxed.enmHint = KWTOOLHINT_NONE;
|
|---|
| 2008 | kwToolAddModuleAndImports(pTool, pTool->u.Sandboxed.pExe);
|
|---|
| 2009 | }
|
|---|
| 2010 | else
|
|---|
| 2011 | {
|
|---|
| 2012 | kwErrPrintf("Failed to get entrypoint for '%s': %u\n", pTool->pszPath, rc);
|
|---|
| 2013 | kwLdrModuleRelease(pTool->u.Sandboxed.pExe);
|
|---|
| 2014 | pTool->u.Sandboxed.pExe = NULL;
|
|---|
| 2015 | pTool->enmType = KWTOOLTYPE_EXEC;
|
|---|
| 2016 | }
|
|---|
| 2017 | }
|
|---|
| 2018 | else
|
|---|
| 2019 | pTool->enmType = KWTOOLTYPE_EXEC;
|
|---|
| 2020 |
|
|---|
| 2021 | kFsCacheObjRelease(g_pFsCache, pToolFsObj);
|
|---|
| 2022 | return pTool;
|
|---|
| 2023 | }
|
|---|
| 2024 | kFsCacheObjRelease(g_pFsCache, pToolFsObj);
|
|---|
| 2025 | return NULL;
|
|---|
| 2026 | }
|
|---|
| 2027 |
|
|---|
| 2028 |
|
|---|
| 2029 | /**
|
|---|
| 2030 | * Looks up the given tool, creating a new tool table entry if necessary.
|
|---|
| 2031 | *
|
|---|
| 2032 | * @returns Pointer to the tool entry. NULL on failure.
|
|---|
| 2033 | * @param pszExe The executable for the tool (not normalized).
|
|---|
| 2034 | */
|
|---|
| 2035 | static PKWTOOL kwToolLookup(const char *pszExe)
|
|---|
| 2036 | {
|
|---|
| 2037 | /*
|
|---|
| 2038 | * We associate the tools instances with the file system objects.
|
|---|
| 2039 | */
|
|---|
| 2040 | KFSLOOKUPERROR enmError;
|
|---|
| 2041 | PKFSOBJ pToolFsObj = kFsCacheLookupA(g_pFsCache, pszExe, &enmError);
|
|---|
| 2042 | if (pToolFsObj)
|
|---|
| 2043 | {
|
|---|
| 2044 | if (pToolFsObj->bObjType == KFSOBJ_TYPE_FILE)
|
|---|
| 2045 | {
|
|---|
| 2046 | PKWTOOL pTool = (PKWTOOL)kFsCacheObjGetUserData(g_pFsCache, pToolFsObj, KW_DATA_KEY_TOOL);
|
|---|
| 2047 | if (pTool)
|
|---|
| 2048 | {
|
|---|
| 2049 | kFsCacheObjRelease(g_pFsCache, pToolFsObj);
|
|---|
| 2050 | return pTool;
|
|---|
| 2051 | }
|
|---|
| 2052 |
|
|---|
| 2053 | /*
|
|---|
| 2054 | * Need to create a new tool.
|
|---|
| 2055 | */
|
|---|
| 2056 | return kwToolEntryCreate(pToolFsObj);
|
|---|
| 2057 | }
|
|---|
| 2058 | kFsCacheObjRelease(g_pFsCache, pToolFsObj);
|
|---|
| 2059 | }
|
|---|
| 2060 | return NULL;
|
|---|
| 2061 | }
|
|---|
| 2062 |
|
|---|
| 2063 |
|
|---|
| 2064 |
|
|---|
| 2065 | /*
|
|---|
| 2066 | *
|
|---|
| 2067 | * File system cache.
|
|---|
| 2068 | * File system cache.
|
|---|
| 2069 | * File system cache.
|
|---|
| 2070 | *
|
|---|
| 2071 | */
|
|---|
| 2072 |
|
|---|
| 2073 |
|
|---|
| 2074 |
|
|---|
| 2075 | /**
|
|---|
| 2076 | * Helper for getting the extension of a UTF-16 path.
|
|---|
| 2077 | *
|
|---|
| 2078 | * @returns Pointer to the extension or the terminator.
|
|---|
| 2079 | * @param pwszPath The path.
|
|---|
| 2080 | * @param pcwcExt Where to return the length of the extension.
|
|---|
| 2081 | */
|
|---|
| 2082 | static wchar_t const *kwFsPathGetExtW(wchar_t const *pwszPath, KSIZE *pcwcExt)
|
|---|
| 2083 | {
|
|---|
| 2084 | wchar_t const *pwszName = pwszPath;
|
|---|
| 2085 | wchar_t const *pwszExt = NULL;
|
|---|
| 2086 | for (;;)
|
|---|
| 2087 | {
|
|---|
| 2088 | wchar_t const wc = *pwszPath++;
|
|---|
| 2089 | if (wc == '.')
|
|---|
| 2090 | pwszExt = pwszPath;
|
|---|
| 2091 | else if (wc == '/' || wc == '\\' || wc == ':')
|
|---|
| 2092 | {
|
|---|
| 2093 | pwszName = pwszPath;
|
|---|
| 2094 | pwszExt = NULL;
|
|---|
| 2095 | }
|
|---|
| 2096 | else if (wc == '\0')
|
|---|
| 2097 | {
|
|---|
| 2098 | if (pwszExt)
|
|---|
| 2099 | {
|
|---|
| 2100 | *pcwcExt = pwszPath - pwszExt - 1;
|
|---|
| 2101 | return pwszExt;
|
|---|
| 2102 | }
|
|---|
| 2103 | *pcwcExt = 0;
|
|---|
| 2104 | return pwszPath - 1;
|
|---|
| 2105 | }
|
|---|
| 2106 | }
|
|---|
| 2107 | }
|
|---|
| 2108 |
|
|---|
| 2109 |
|
|---|
| 2110 |
|
|---|
| 2111 | /**
|
|---|
| 2112 | * Parses the argument string passed in as pszSrc.
|
|---|
| 2113 | *
|
|---|
| 2114 | * @returns size of the processed arguments.
|
|---|
| 2115 | * @param pszSrc Pointer to the commandline that's to be parsed.
|
|---|
| 2116 | * @param pcArgs Where to return the number of arguments.
|
|---|
| 2117 | * @param argv Pointer to argument vector to put argument pointers in. NULL allowed.
|
|---|
| 2118 | * @param pchPool Pointer to memory pchPool to put the arguments into. NULL allowed.
|
|---|
| 2119 | *
|
|---|
| 2120 | * @remarks Lifted from startuphacks-win.c
|
|---|
| 2121 | */
|
|---|
| 2122 | static int parse_args(const char *pszSrc, int *pcArgs, char **argv, char *pchPool)
|
|---|
| 2123 | {
|
|---|
| 2124 | int bs;
|
|---|
| 2125 | char chQuote;
|
|---|
| 2126 | char *pfFlags;
|
|---|
| 2127 | int cbArgs;
|
|---|
| 2128 | int cArgs;
|
|---|
| 2129 |
|
|---|
| 2130 | #define PUTC(c) do { ++cbArgs; if (pchPool != NULL) *pchPool++ = (c); } while (0)
|
|---|
| 2131 | #define PUTV do { ++cArgs; if (argv != NULL) *argv++ = pchPool; } while (0)
|
|---|
| 2132 | #define WHITE(c) ((c) == ' ' || (c) == '\t')
|
|---|
| 2133 |
|
|---|
| 2134 | #define _ARG_DQUOTE 0x01 /* Argument quoted (") */
|
|---|
| 2135 | #define _ARG_RESPONSE 0x02 /* Argument read from response file */
|
|---|
| 2136 | #define _ARG_WILDCARD 0x04 /* Argument expanded from wildcard */
|
|---|
| 2137 | #define _ARG_ENV 0x08 /* Argument from environment */
|
|---|
| 2138 | #define _ARG_NONZERO 0x80 /* Always set, to avoid end of string */
|
|---|
| 2139 |
|
|---|
| 2140 | cArgs = 0;
|
|---|
| 2141 | cbArgs = 0;
|
|---|
| 2142 |
|
|---|
| 2143 | #if 0
|
|---|
| 2144 | /* argv[0] */
|
|---|
| 2145 | PUTC((char)_ARG_NONZERO);
|
|---|
| 2146 | PUTV;
|
|---|
| 2147 | for (;;)
|
|---|
| 2148 | {
|
|---|
| 2149 | PUTC(*pszSrc);
|
|---|
| 2150 | if (*pszSrc == 0)
|
|---|
| 2151 | break;
|
|---|
| 2152 | ++pszSrc;
|
|---|
| 2153 | }
|
|---|
| 2154 | ++pszSrc;
|
|---|
| 2155 | #endif
|
|---|
| 2156 |
|
|---|
| 2157 | for (;;)
|
|---|
| 2158 | {
|
|---|
| 2159 | while (WHITE(*pszSrc))
|
|---|
| 2160 | ++pszSrc;
|
|---|
| 2161 | if (*pszSrc == 0)
|
|---|
| 2162 | break;
|
|---|
| 2163 | pfFlags = pchPool;
|
|---|
| 2164 | PUTC((char)_ARG_NONZERO);
|
|---|
| 2165 | PUTV;
|
|---|
| 2166 | bs = 0; chQuote = 0;
|
|---|
| 2167 | for (;;)
|
|---|
| 2168 | {
|
|---|
| 2169 | if (!chQuote ? (*pszSrc == '"' /*|| *pszSrc == '\''*/) : *pszSrc == chQuote)
|
|---|
| 2170 | {
|
|---|
| 2171 | while (bs >= 2)
|
|---|
| 2172 | {
|
|---|
| 2173 | PUTC('\\');
|
|---|
| 2174 | bs -= 2;
|
|---|
| 2175 | }
|
|---|
| 2176 | if (bs & 1)
|
|---|
| 2177 | PUTC(*pszSrc);
|
|---|
| 2178 | else
|
|---|
| 2179 | {
|
|---|
| 2180 | chQuote = chQuote ? 0 : *pszSrc;
|
|---|
| 2181 | if (pfFlags != NULL)
|
|---|
| 2182 | *pfFlags |= _ARG_DQUOTE;
|
|---|
| 2183 | }
|
|---|
| 2184 | bs = 0;
|
|---|
| 2185 | }
|
|---|
| 2186 | else if (*pszSrc == '\\')
|
|---|
| 2187 | ++bs;
|
|---|
| 2188 | else
|
|---|
| 2189 | {
|
|---|
| 2190 | while (bs != 0)
|
|---|
| 2191 | {
|
|---|
| 2192 | PUTC('\\');
|
|---|
| 2193 | --bs;
|
|---|
| 2194 | }
|
|---|
| 2195 | if (*pszSrc == 0 || (WHITE(*pszSrc) && !chQuote))
|
|---|
| 2196 | break;
|
|---|
| 2197 | PUTC(*pszSrc);
|
|---|
| 2198 | }
|
|---|
| 2199 | ++pszSrc;
|
|---|
| 2200 | }
|
|---|
| 2201 | PUTC(0);
|
|---|
| 2202 | }
|
|---|
| 2203 |
|
|---|
| 2204 | *pcArgs = cArgs;
|
|---|
| 2205 | return cbArgs;
|
|---|
| 2206 | }
|
|---|
| 2207 |
|
|---|
| 2208 |
|
|---|
| 2209 |
|
|---|
| 2210 |
|
|---|
| 2211 | /*
|
|---|
| 2212 | *
|
|---|
| 2213 | * Process and thread related APIs.
|
|---|
| 2214 | * Process and thread related APIs.
|
|---|
| 2215 | * Process and thread related APIs.
|
|---|
| 2216 | *
|
|---|
| 2217 | */
|
|---|
| 2218 |
|
|---|
| 2219 | /** Common worker for ExitProcess(), exit() and friends. */
|
|---|
| 2220 | static void WINAPI kwSandboxDoExit(int uExitCode)
|
|---|
| 2221 | {
|
|---|
| 2222 | if (g_Sandbox.idMainThread == GetCurrentThreadId())
|
|---|
| 2223 | {
|
|---|
| 2224 | PNT_TIB pTib = (PNT_TIB)NtCurrentTeb();
|
|---|
| 2225 |
|
|---|
| 2226 | g_Sandbox.rcExitCode = (int)uExitCode;
|
|---|
| 2227 |
|
|---|
| 2228 | /* Before we jump, restore the TIB as we're not interested in any
|
|---|
| 2229 | exception chain stuff installed by the sandboxed executable. */
|
|---|
| 2230 | *pTib = g_Sandbox.TibMainThread;
|
|---|
| 2231 | pTib->ExceptionList = g_Sandbox.pOutXcptListHead;
|
|---|
| 2232 |
|
|---|
| 2233 | longjmp(g_Sandbox.JmpBuf, 1);
|
|---|
| 2234 | }
|
|---|
| 2235 | KWFS_TODO();
|
|---|
| 2236 | }
|
|---|
| 2237 |
|
|---|
| 2238 |
|
|---|
| 2239 | /** ExitProcess replacement. */
|
|---|
| 2240 | static void WINAPI kwSandbox_Kernel32_ExitProcess(UINT uExitCode)
|
|---|
| 2241 | {
|
|---|
| 2242 | KW_LOG(("kwSandbox_Kernel32_ExitProcess: %u\n", uExitCode));
|
|---|
| 2243 | kwSandboxDoExit((int)uExitCode);
|
|---|
| 2244 | }
|
|---|
| 2245 |
|
|---|
| 2246 |
|
|---|
| 2247 | /** ExitProcess replacement. */
|
|---|
| 2248 | static BOOL WINAPI kwSandbox_Kernel32_TerminateProcess(HANDLE hProcess, UINT uExitCode)
|
|---|
| 2249 | {
|
|---|
| 2250 | if (hProcess == GetCurrentProcess())
|
|---|
| 2251 | kwSandboxDoExit(uExitCode);
|
|---|
| 2252 | KWFS_TODO();
|
|---|
| 2253 | return TerminateProcess(hProcess, uExitCode);
|
|---|
| 2254 | }
|
|---|
| 2255 |
|
|---|
| 2256 |
|
|---|
| 2257 | /** Normal CRT exit(). */
|
|---|
| 2258 | static void __cdecl kwSandbox_msvcrt_exit(int rcExitCode)
|
|---|
| 2259 | {
|
|---|
| 2260 | KW_LOG(("kwSandbox_msvcrt_exit: %d\n", rcExitCode));
|
|---|
| 2261 | kwSandboxDoExit(rcExitCode);
|
|---|
| 2262 | }
|
|---|
| 2263 |
|
|---|
| 2264 |
|
|---|
| 2265 | /** Quick CRT _exit(). */
|
|---|
| 2266 | static void __cdecl kwSandbox_msvcrt__exit(int rcExitCode)
|
|---|
| 2267 | {
|
|---|
| 2268 | /* Quick. */
|
|---|
| 2269 | KW_LOG(("kwSandbox_msvcrt__exit %d\n", rcExitCode));
|
|---|
| 2270 | kwSandboxDoExit(rcExitCode);
|
|---|
| 2271 | }
|
|---|
| 2272 |
|
|---|
| 2273 |
|
|---|
| 2274 | /** Return to caller CRT _cexit(). */
|
|---|
| 2275 | static void __cdecl kwSandbox_msvcrt__cexit(int rcExitCode)
|
|---|
| 2276 | {
|
|---|
| 2277 | KW_LOG(("kwSandbox_msvcrt__cexit: %d\n", rcExitCode));
|
|---|
| 2278 | kwSandboxDoExit(rcExitCode);
|
|---|
| 2279 | }
|
|---|
| 2280 |
|
|---|
| 2281 |
|
|---|
| 2282 | /** Quick return to caller CRT _c_exit(). */
|
|---|
| 2283 | static void __cdecl kwSandbox_msvcrt__c_exit(int rcExitCode)
|
|---|
| 2284 | {
|
|---|
| 2285 | KW_LOG(("kwSandbox_msvcrt__c_exit: %d\n", rcExitCode));
|
|---|
| 2286 | kwSandboxDoExit(rcExitCode);
|
|---|
| 2287 | }
|
|---|
| 2288 |
|
|---|
| 2289 |
|
|---|
| 2290 | /** Runtime error and exit _amsg_exit(). */
|
|---|
| 2291 | static void __cdecl kwSandbox_msvcrt__amsg_exit(int iMsgNo)
|
|---|
| 2292 | {
|
|---|
| 2293 | KW_LOG(("\nRuntime error #%u!\n", iMsgNo));
|
|---|
| 2294 | kwSandboxDoExit(255);
|
|---|
| 2295 | }
|
|---|
| 2296 |
|
|---|
| 2297 |
|
|---|
| 2298 | /** CRT - terminate(). */
|
|---|
| 2299 | static void __cdecl kwSandbox_msvcrt_terminate(void)
|
|---|
| 2300 | {
|
|---|
| 2301 | KW_LOG(("\nRuntime - terminate!\n"));
|
|---|
| 2302 | kwSandboxDoExit(254);
|
|---|
| 2303 | }
|
|---|
| 2304 |
|
|---|
| 2305 |
|
|---|
| 2306 | /** The CRT internal __getmainargs() API. */
|
|---|
| 2307 | static int __cdecl kwSandbox_msvcrt___getmainargs(int *pargc, char ***pargv, char ***penvp,
|
|---|
| 2308 | int dowildcard, int const *piNewMode)
|
|---|
| 2309 | {
|
|---|
| 2310 | *pargc = g_Sandbox.cArgs;
|
|---|
| 2311 | *pargv = g_Sandbox.papszArgs;
|
|---|
| 2312 | *penvp = g_Sandbox.environ;
|
|---|
| 2313 |
|
|---|
| 2314 | /** @todo startinfo points at a newmode (setmode) value. */
|
|---|
| 2315 | return 0;
|
|---|
| 2316 | }
|
|---|
| 2317 |
|
|---|
| 2318 |
|
|---|
| 2319 | /** The CRT internal __wgetmainargs() API. */
|
|---|
| 2320 | static int __cdecl kwSandbox_msvcrt___wgetmainargs(int *pargc, wchar_t ***pargv, wchar_t ***penvp,
|
|---|
| 2321 | int dowildcard, int const *piNewMode)
|
|---|
| 2322 | {
|
|---|
| 2323 | *pargc = g_Sandbox.cArgs;
|
|---|
| 2324 | *pargv = g_Sandbox.papwszArgs;
|
|---|
| 2325 | *penvp = g_Sandbox.wenviron;
|
|---|
| 2326 |
|
|---|
| 2327 | /** @todo startinfo points at a newmode (setmode) value. */
|
|---|
| 2328 | return 0;
|
|---|
| 2329 | }
|
|---|
| 2330 |
|
|---|
| 2331 |
|
|---|
| 2332 |
|
|---|
| 2333 | /** Kernel32 - GetCommandLineA() */
|
|---|
| 2334 | static LPCSTR /*LPSTR*/ WINAPI kwSandbox_Kernel32_GetCommandLineA(VOID)
|
|---|
| 2335 | {
|
|---|
| 2336 | return g_Sandbox.pszCmdLine;
|
|---|
| 2337 | }
|
|---|
| 2338 |
|
|---|
| 2339 |
|
|---|
| 2340 | /** Kernel32 - GetCommandLineW() */
|
|---|
| 2341 | static LPCWSTR /*LPWSTR*/ WINAPI kwSandbox_Kernel32_GetCommandLineW(VOID)
|
|---|
| 2342 | {
|
|---|
| 2343 | return g_Sandbox.pwszCmdLine;
|
|---|
| 2344 | }
|
|---|
| 2345 |
|
|---|
| 2346 |
|
|---|
| 2347 | /** Kernel32 - GetStartupInfoA() */
|
|---|
| 2348 | static VOID WINAPI kwSandbox_Kernel32_GetStartupInfoA(LPSTARTUPINFOA pStartupInfo)
|
|---|
| 2349 | {
|
|---|
| 2350 | KW_LOG(("GetStartupInfoA\n"));
|
|---|
| 2351 | GetStartupInfoA(pStartupInfo);
|
|---|
| 2352 | pStartupInfo->lpReserved = NULL;
|
|---|
| 2353 | pStartupInfo->lpTitle = NULL;
|
|---|
| 2354 | pStartupInfo->lpReserved2 = NULL;
|
|---|
| 2355 | pStartupInfo->cbReserved2 = 0;
|
|---|
| 2356 | }
|
|---|
| 2357 |
|
|---|
| 2358 |
|
|---|
| 2359 | /** Kernel32 - GetStartupInfoW() */
|
|---|
| 2360 | static VOID WINAPI kwSandbox_Kernel32_GetStartupInfoW(LPSTARTUPINFOW pStartupInfo)
|
|---|
| 2361 | {
|
|---|
| 2362 | KW_LOG(("GetStartupInfoW\n"));
|
|---|
| 2363 | GetStartupInfoW(pStartupInfo);
|
|---|
| 2364 | pStartupInfo->lpReserved = NULL;
|
|---|
| 2365 | pStartupInfo->lpTitle = NULL;
|
|---|
| 2366 | pStartupInfo->lpReserved2 = NULL;
|
|---|
| 2367 | pStartupInfo->cbReserved2 = 0;
|
|---|
| 2368 | }
|
|---|
| 2369 |
|
|---|
| 2370 |
|
|---|
| 2371 | /** CRT - __p___argc(). */
|
|---|
| 2372 | static int * __cdecl kwSandbox_msvcrt___p___argc(void)
|
|---|
| 2373 | {
|
|---|
| 2374 | return &g_Sandbox.cArgs;
|
|---|
| 2375 | }
|
|---|
| 2376 |
|
|---|
| 2377 |
|
|---|
| 2378 | /** CRT - __p___argv(). */
|
|---|
| 2379 | static char *** __cdecl kwSandbox_msvcrt___p___argv(void)
|
|---|
| 2380 | {
|
|---|
| 2381 | return &g_Sandbox.papszArgs;
|
|---|
| 2382 | }
|
|---|
| 2383 |
|
|---|
| 2384 |
|
|---|
| 2385 | /** CRT - __p___sargv(). */
|
|---|
| 2386 | static wchar_t *** __cdecl kwSandbox_msvcrt___p___wargv(void)
|
|---|
| 2387 | {
|
|---|
| 2388 | return &g_Sandbox.papwszArgs;
|
|---|
| 2389 | }
|
|---|
| 2390 |
|
|---|
| 2391 |
|
|---|
| 2392 | /** CRT - __p__acmdln(). */
|
|---|
| 2393 | static char ** __cdecl kwSandbox_msvcrt___p__acmdln(void)
|
|---|
| 2394 | {
|
|---|
| 2395 | return (char **)&g_Sandbox.pszCmdLine;
|
|---|
| 2396 | }
|
|---|
| 2397 |
|
|---|
| 2398 |
|
|---|
| 2399 | /** CRT - __p__acmdln(). */
|
|---|
| 2400 | static wchar_t ** __cdecl kwSandbox_msvcrt___p__wcmdln(void)
|
|---|
| 2401 | {
|
|---|
| 2402 | return &g_Sandbox.pwszCmdLine;
|
|---|
| 2403 | }
|
|---|
| 2404 |
|
|---|
| 2405 |
|
|---|
| 2406 | /** CRT - __p__pgmptr(). */
|
|---|
| 2407 | static char ** __cdecl kwSandbox_msvcrt___p__pgmptr(void)
|
|---|
| 2408 | {
|
|---|
| 2409 | return &g_Sandbox.pgmptr;
|
|---|
| 2410 | }
|
|---|
| 2411 |
|
|---|
| 2412 |
|
|---|
| 2413 | /** CRT - __p__wpgmptr(). */
|
|---|
| 2414 | static wchar_t ** __cdecl kwSandbox_msvcrt___p__wpgmptr(void)
|
|---|
| 2415 | {
|
|---|
| 2416 | return &g_Sandbox.wpgmptr;
|
|---|
| 2417 | }
|
|---|
| 2418 |
|
|---|
| 2419 |
|
|---|
| 2420 | /** CRT - _get_pgmptr(). */
|
|---|
| 2421 | static errno_t __cdecl kwSandbox_msvcrt__get_pgmptr(char **ppszValue)
|
|---|
| 2422 | {
|
|---|
| 2423 | *ppszValue = g_Sandbox.pgmptr;
|
|---|
| 2424 | return 0;
|
|---|
| 2425 | }
|
|---|
| 2426 |
|
|---|
| 2427 |
|
|---|
| 2428 | /** CRT - _get_wpgmptr(). */
|
|---|
| 2429 | static errno_t __cdecl kwSandbox_msvcrt__get_wpgmptr(wchar_t **ppwszValue)
|
|---|
| 2430 | {
|
|---|
| 2431 | *ppwszValue = g_Sandbox.wpgmptr;
|
|---|
| 2432 | return 0;
|
|---|
| 2433 | }
|
|---|
| 2434 |
|
|---|
| 2435 | /** Just in case. */
|
|---|
| 2436 | static void kwSandbox_msvcrt__wincmdln(void)
|
|---|
| 2437 | {
|
|---|
| 2438 | KWFS_TODO();
|
|---|
| 2439 | }
|
|---|
| 2440 |
|
|---|
| 2441 |
|
|---|
| 2442 | /** Just in case. */
|
|---|
| 2443 | static void kwSandbox_msvcrt__wwincmdln(void)
|
|---|
| 2444 | {
|
|---|
| 2445 | KWFS_TODO();
|
|---|
| 2446 | }
|
|---|
| 2447 |
|
|---|
| 2448 | /** CreateThread interceptor. */
|
|---|
| 2449 | static HANDLE WINAPI kwSandbox_Kernel32_CreateThread(LPSECURITY_ATTRIBUTES pSecAttr, SIZE_T cbStack,
|
|---|
| 2450 | PTHREAD_START_ROUTINE pfnThreadProc, PVOID pvUser,
|
|---|
| 2451 | DWORD fFlags, PDWORD pidThread)
|
|---|
| 2452 | {
|
|---|
| 2453 | KWFS_TODO();
|
|---|
| 2454 | return NULL;
|
|---|
| 2455 | }
|
|---|
| 2456 |
|
|---|
| 2457 |
|
|---|
| 2458 | /** _beginthread - create a new thread. */
|
|---|
| 2459 | static uintptr_t __cdecl kwSandbox_msvcrt__beginthread(void (__cdecl *pfnThreadProc)(void *), unsigned cbStack, void *pvUser)
|
|---|
| 2460 | {
|
|---|
| 2461 | KWFS_TODO();
|
|---|
| 2462 | return 0;
|
|---|
| 2463 | }
|
|---|
| 2464 |
|
|---|
| 2465 |
|
|---|
| 2466 | /** _beginthreadex - create a new thread. */
|
|---|
| 2467 | static uintptr_t __cdecl kwSandbox_msvcrt__beginthreadex(void *pvSecAttr, unsigned cbStack,
|
|---|
| 2468 | unsigned (__stdcall *pfnThreadProc)(void *), void *pvUser,
|
|---|
| 2469 | unsigned fCreate, unsigned *pidThread)
|
|---|
| 2470 | {
|
|---|
| 2471 | KWFS_TODO();
|
|---|
| 2472 | return 0;
|
|---|
| 2473 | }
|
|---|
| 2474 |
|
|---|
| 2475 |
|
|---|
| 2476 | /*
|
|---|
| 2477 | *
|
|---|
| 2478 | * Environment related APIs.
|
|---|
| 2479 | * Environment related APIs.
|
|---|
| 2480 | * Environment related APIs.
|
|---|
| 2481 | *
|
|---|
| 2482 | */
|
|---|
| 2483 |
|
|---|
| 2484 | /** Kernel32 - GetEnvironmentVariableA() */
|
|---|
| 2485 | static DWORD WINAPI kwSandbox_Kernel32_GetEnvironmentVariableA(LPCSTR pwszVar, LPSTR pszValue, DWORD cbValue)
|
|---|
| 2486 | {
|
|---|
| 2487 | KWFS_TODO();
|
|---|
| 2488 | return 0;
|
|---|
| 2489 | }
|
|---|
| 2490 |
|
|---|
| 2491 |
|
|---|
| 2492 | /** Kernel32 - GetEnvironmentVariableW() */
|
|---|
| 2493 | static DWORD WINAPI kwSandbox_Kernel32_GetEnvironmentVariableW(LPCWSTR pwszVar, LPWSTR pwszValue, DWORD cbValue)
|
|---|
| 2494 | {
|
|---|
| 2495 | KW_LOG(("GetEnvironmentVariableW: '%ls'\n", pwszVar));
|
|---|
| 2496 | //KWFS_TODO();
|
|---|
| 2497 | //SetLastError(ERROR_ENVVAR_NOT_FOUND);
|
|---|
| 2498 | //return 0;
|
|---|
| 2499 | return GetEnvironmentVariableW(pwszVar, pwszValue, cbValue);
|
|---|
| 2500 | }
|
|---|
| 2501 |
|
|---|
| 2502 |
|
|---|
| 2503 | /** Kernel32 - SetEnvironmentVariableA() */
|
|---|
| 2504 | static BOOL WINAPI kwSandbox_Kernel32_SetEnvironmentVariableA(LPCSTR pszVar, LPCSTR pszValue)
|
|---|
| 2505 | {
|
|---|
| 2506 | KWFS_TODO();
|
|---|
| 2507 | return FALSE;
|
|---|
| 2508 | }
|
|---|
| 2509 |
|
|---|
| 2510 |
|
|---|
| 2511 | /** Kernel32 - SetEnvironmentVariableW() */
|
|---|
| 2512 | static BOOL WINAPI kwSandbox_Kernel32_SetEnvironmentVariableW(LPCWSTR pwszVar, LPCWSTR pwszValue)
|
|---|
| 2513 | {
|
|---|
| 2514 | KW_LOG(("SetEnvironmentVariableW: '%ls' = '%ls'\n", pwszVar, pwszValue));
|
|---|
| 2515 | return SetEnvironmentVariableW(pwszVar, pwszValue);
|
|---|
| 2516 | //KWFS_TODO();
|
|---|
| 2517 | //return FALSE;
|
|---|
| 2518 | }
|
|---|
| 2519 |
|
|---|
| 2520 |
|
|---|
| 2521 | /** Kernel32 - ExpandEnvironmentStringsA() */
|
|---|
| 2522 | static DWORD WINAPI kwSandbox_Kernel32_ExpandEnvironmentStringsA(LPCSTR pszSrc, LPSTR pwszDst, DWORD cbDst)
|
|---|
| 2523 | {
|
|---|
| 2524 | KWFS_TODO();
|
|---|
| 2525 | return 0;
|
|---|
| 2526 | }
|
|---|
| 2527 |
|
|---|
| 2528 |
|
|---|
| 2529 | /** Kernel32 - ExpandEnvironmentStringsW() */
|
|---|
| 2530 | static DWORD WINAPI kwSandbox_Kernel32_ExpandEnvironmentStringsW(LPCWSTR pwszSrc, LPWSTR pwszDst, DWORD cbDst)
|
|---|
| 2531 | {
|
|---|
| 2532 | KWFS_TODO();
|
|---|
| 2533 | return 0;
|
|---|
| 2534 | }
|
|---|
| 2535 |
|
|---|
| 2536 |
|
|---|
| 2537 | /** CRT - _putenv(). */
|
|---|
| 2538 | static int __cdecl kwSandbox_msvcrt__putenv(const char *pszVarEqualValue)
|
|---|
| 2539 | {
|
|---|
| 2540 | KWFS_TODO();
|
|---|
| 2541 | return 0;
|
|---|
| 2542 | }
|
|---|
| 2543 |
|
|---|
| 2544 |
|
|---|
| 2545 | /** CRT - _wputenv(). */
|
|---|
| 2546 | static int __cdecl kwSandbox_msvcrt__wputenv(const wchar_t *pwszVarEqualValue)
|
|---|
| 2547 | {
|
|---|
| 2548 | KWFS_TODO();
|
|---|
| 2549 | return 0;
|
|---|
| 2550 | }
|
|---|
| 2551 |
|
|---|
| 2552 |
|
|---|
| 2553 | /** CRT - _putenv_s(). */
|
|---|
| 2554 | static errno_t __cdecl kwSandbox_msvcrt__putenv_s(const char *pszVar, const char *pszValue)
|
|---|
| 2555 | {
|
|---|
| 2556 | KWFS_TODO();
|
|---|
| 2557 | return 0;
|
|---|
| 2558 | }
|
|---|
| 2559 |
|
|---|
| 2560 |
|
|---|
| 2561 | /** CRT - _wputenv_s(). */
|
|---|
| 2562 | static errno_t __cdecl kwSandbox_msvcrt__wputenv_s(const wchar_t *pwszVar, const wchar_t *pwszValue)
|
|---|
| 2563 | {
|
|---|
| 2564 | KW_LOG(("_wputenv_s: '%ls' = '%ls'\n", pwszVar, pwszValue));
|
|---|
| 2565 | //KWFS_TODO();
|
|---|
| 2566 | return SetEnvironmentVariableW(pwszVar, pwszValue) ? 0 : -1;
|
|---|
| 2567 | }
|
|---|
| 2568 |
|
|---|
| 2569 |
|
|---|
| 2570 | /** CRT - get pointer to the __initenv variable (initial environment). */
|
|---|
| 2571 | static char *** __cdecl kwSandbox_msvcrt___p___initenv(void)
|
|---|
| 2572 | {
|
|---|
| 2573 | return &g_Sandbox.initenv;
|
|---|
| 2574 | }
|
|---|
| 2575 |
|
|---|
| 2576 |
|
|---|
| 2577 | /** CRT - get pointer to the __winitenv variable (initial environment). */
|
|---|
| 2578 | static wchar_t *** __cdecl kwSandbox_msvcrt___p___winitenv(void)
|
|---|
| 2579 | {
|
|---|
| 2580 | return &g_Sandbox.winitenv;
|
|---|
| 2581 | }
|
|---|
| 2582 |
|
|---|
| 2583 |
|
|---|
| 2584 | /** CRT - get pointer to the _environ variable (current environment). */
|
|---|
| 2585 | static char *** __cdecl kwSandbox_msvcrt___p__environ(void)
|
|---|
| 2586 | {
|
|---|
| 2587 | return &g_Sandbox.environ;
|
|---|
| 2588 | }
|
|---|
| 2589 |
|
|---|
| 2590 |
|
|---|
| 2591 | /** CRT - get pointer to the _wenviron variable (current environment). */
|
|---|
| 2592 | static wchar_t *** __cdecl kwSandbox_msvcrt___p__wenviron(void)
|
|---|
| 2593 | {
|
|---|
| 2594 | return &g_Sandbox.wenviron;
|
|---|
| 2595 | }
|
|---|
| 2596 |
|
|---|
| 2597 |
|
|---|
| 2598 | /** CRT - get the _environ variable (current environment).
|
|---|
| 2599 | * @remarks Not documented or prototyped? */
|
|---|
| 2600 | static KUPTR /*void*/ __cdecl kwSandbox_msvcrt__get_environ(char ***ppapszEnviron)
|
|---|
| 2601 | {
|
|---|
| 2602 | KWFS_TODO(); /** @todo check the callers expecations! */
|
|---|
| 2603 | *ppapszEnviron = g_Sandbox.environ;
|
|---|
| 2604 | return 0;
|
|---|
| 2605 | }
|
|---|
| 2606 |
|
|---|
| 2607 |
|
|---|
| 2608 | /** CRT - get the _wenviron variable (current environment).
|
|---|
| 2609 | * @remarks Not documented or prototyped? */
|
|---|
| 2610 | static KUPTR /*void*/ __cdecl kwSandbox_msvcrt__get_wenviron(wchar_t ***ppapwszEnviron)
|
|---|
| 2611 | {
|
|---|
| 2612 | KWFS_TODO(); /** @todo check the callers expecations! */
|
|---|
| 2613 | *ppapwszEnviron = g_Sandbox.wenviron;
|
|---|
| 2614 | return 0;
|
|---|
| 2615 | }
|
|---|
| 2616 |
|
|---|
| 2617 |
|
|---|
| 2618 |
|
|---|
| 2619 | /*
|
|---|
| 2620 | *
|
|---|
| 2621 | * Loader related APIs
|
|---|
| 2622 | * Loader related APIs
|
|---|
| 2623 | * Loader related APIs
|
|---|
| 2624 | *
|
|---|
| 2625 | */
|
|---|
| 2626 |
|
|---|
| 2627 | /**
|
|---|
| 2628 | * Kernel32 - LoadLibraryExA() worker that loads resource files and such.
|
|---|
| 2629 | */
|
|---|
| 2630 | static HMODULE WINAPI kwSandbox_Kernel32_LoadLibraryExA_Resource(PKWDYNLOAD pDynLoad, DWORD fFlags)
|
|---|
| 2631 | {
|
|---|
| 2632 | /* Load it first. */
|
|---|
| 2633 | HMODULE hmod = LoadLibraryExA(pDynLoad->szRequest, NULL /*hFile*/, fFlags);
|
|---|
| 2634 | if (hmod)
|
|---|
| 2635 | {
|
|---|
| 2636 | pDynLoad->hmod = hmod;
|
|---|
| 2637 | pDynLoad->pMod = NULL; /* indicates special */
|
|---|
| 2638 |
|
|---|
| 2639 | pDynLoad->pNext = g_Sandbox.pTool->u.Sandboxed.pDynLoadHead;
|
|---|
| 2640 | g_Sandbox.pTool->u.Sandboxed.pDynLoadHead = pDynLoad;
|
|---|
| 2641 | KW_LOG(("LoadLibraryExA(%s,,[resource]) -> %p\n", pDynLoad->szRequest, pDynLoad->hmod));
|
|---|
| 2642 | }
|
|---|
| 2643 | else
|
|---|
| 2644 | kHlpFree(pDynLoad);
|
|---|
| 2645 | return hmod;
|
|---|
| 2646 | }
|
|---|
| 2647 |
|
|---|
| 2648 |
|
|---|
| 2649 | /**
|
|---|
| 2650 | * Kernel32 - LoadLibraryExA() worker that deals with the api-ms-xxx modules.
|
|---|
| 2651 | */
|
|---|
| 2652 | static HMODULE WINAPI kwSandbox_Kernel32_LoadLibraryExA_VirtualApiModule(PKWDYNLOAD pDynLoad, DWORD fFlags)
|
|---|
| 2653 | {
|
|---|
| 2654 | HMODULE hmod;
|
|---|
| 2655 | PKWMODULE pMod;
|
|---|
| 2656 | KU32 uHashPath;
|
|---|
| 2657 | KSIZE idxHash;
|
|---|
| 2658 | char szNormPath[256];
|
|---|
| 2659 | KSIZE cbFilename = kHlpStrLen(pDynLoad->szRequest) + 1;
|
|---|
| 2660 |
|
|---|
| 2661 | /*
|
|---|
| 2662 | * Lower case it.
|
|---|
| 2663 | */
|
|---|
| 2664 | if (cbFilename <= sizeof(szNormPath))
|
|---|
| 2665 | {
|
|---|
| 2666 | kHlpMemCopy(szNormPath, pDynLoad->szRequest, cbFilename);
|
|---|
| 2667 | _strlwr(szNormPath);
|
|---|
| 2668 | }
|
|---|
| 2669 | else
|
|---|
| 2670 | {
|
|---|
| 2671 | SetLastError(ERROR_FILENAME_EXCED_RANGE);
|
|---|
| 2672 | return NULL;
|
|---|
| 2673 | }
|
|---|
| 2674 |
|
|---|
| 2675 | /*
|
|---|
| 2676 | * Check if it has already been loaded so we don't create an unnecessary
|
|---|
| 2677 | * loader module for it.
|
|---|
| 2678 | */
|
|---|
| 2679 | uHashPath = kwStrHash(szNormPath);
|
|---|
| 2680 | idxHash = uHashPath % K_ELEMENTS(g_apModules);
|
|---|
| 2681 | pMod = g_apModules[idxHash];
|
|---|
| 2682 | if (pMod)
|
|---|
| 2683 | {
|
|---|
| 2684 | do
|
|---|
| 2685 | {
|
|---|
| 2686 | if ( pMod->uHashPath == uHashPath
|
|---|
| 2687 | && kHlpStrComp(pMod->pszPath, szNormPath) == 0)
|
|---|
| 2688 | {
|
|---|
| 2689 | pDynLoad->pMod = kwLdrModuleRetain(pMod);
|
|---|
| 2690 | pDynLoad->hmod = pMod->hOurMod;
|
|---|
| 2691 |
|
|---|
| 2692 | pDynLoad->pNext = g_Sandbox.pTool->u.Sandboxed.pDynLoadHead;
|
|---|
| 2693 | g_Sandbox.pTool->u.Sandboxed.pDynLoadHead = pDynLoad;
|
|---|
| 2694 | KW_LOG(("LoadLibraryExA(%s,,) -> %p [already loaded]\n", pDynLoad->szRequest, pDynLoad->hmod));
|
|---|
| 2695 | return pDynLoad->hmod;
|
|---|
| 2696 | }
|
|---|
| 2697 | pMod = pMod->pNext;
|
|---|
| 2698 | } while (pMod);
|
|---|
| 2699 | }
|
|---|
| 2700 |
|
|---|
| 2701 |
|
|---|
| 2702 | /*
|
|---|
| 2703 | * Try load it and make a kLdr module for it.
|
|---|
| 2704 | */
|
|---|
| 2705 | hmod = LoadLibraryExA(szNormPath, NULL /*hFile*/, fFlags);
|
|---|
| 2706 | if (hmod)
|
|---|
| 2707 | {
|
|---|
| 2708 | PKLDRMOD pLdrMod;
|
|---|
| 2709 | int rc = kLdrModOpenNativeByHandle((KUPTR)hmod, &pLdrMod);
|
|---|
| 2710 | if (rc == 0)
|
|---|
| 2711 | {
|
|---|
| 2712 | PKWMODULE pMod = kwLdrModuleCreateForNativekLdrModule(pLdrMod, szNormPath, cbFilename, uHashPath,
|
|---|
| 2713 | K_FALSE /*fDoReplacements*/);
|
|---|
| 2714 | if (pMod)
|
|---|
| 2715 | {
|
|---|
| 2716 | kwToolAddModuleAndImports(g_Sandbox.pTool, pMod);
|
|---|
| 2717 |
|
|---|
| 2718 | pDynLoad = (PKWDYNLOAD)kHlpAlloc(sizeof(*pDynLoad) + cbFilename + cbFilename * sizeof(wchar_t));
|
|---|
| 2719 | if (pDynLoad)
|
|---|
| 2720 | {
|
|---|
| 2721 | pDynLoad->pMod = pMod;
|
|---|
| 2722 | pDynLoad->hmod = hmod;
|
|---|
| 2723 |
|
|---|
| 2724 | pDynLoad->pNext = g_Sandbox.pTool->u.Sandboxed.pDynLoadHead;
|
|---|
| 2725 | g_Sandbox.pTool->u.Sandboxed.pDynLoadHead = pDynLoad;
|
|---|
| 2726 | KW_LOG(("LoadLibraryExA(%s,,) -> %p\n", pDynLoad->szRequest, pDynLoad->hmod));
|
|---|
| 2727 | return hmod;
|
|---|
| 2728 | }
|
|---|
| 2729 |
|
|---|
| 2730 | KWFS_TODO();
|
|---|
| 2731 | }
|
|---|
| 2732 | else
|
|---|
| 2733 | KWFS_TODO();
|
|---|
| 2734 | }
|
|---|
| 2735 | else
|
|---|
| 2736 | KWFS_TODO();
|
|---|
| 2737 | }
|
|---|
| 2738 | kHlpFree(pDynLoad);
|
|---|
| 2739 | return hmod;
|
|---|
| 2740 | }
|
|---|
| 2741 |
|
|---|
| 2742 |
|
|---|
| 2743 | /** Kernel32 - LoadLibraryExA() */
|
|---|
| 2744 | static HMODULE WINAPI kwSandbox_Kernel32_LoadLibraryExA(LPCSTR pszFilename, HANDLE hFile, DWORD fFlags)
|
|---|
| 2745 | {
|
|---|
| 2746 | KSIZE cchFilename = kHlpStrLen(pszFilename);
|
|---|
| 2747 | PKWDYNLOAD pDynLoad;
|
|---|
| 2748 | PKWMODULE pMod;
|
|---|
| 2749 | int rc;
|
|---|
| 2750 |
|
|---|
| 2751 | /*
|
|---|
| 2752 | * Deal with a couple of extremely unlikely special cases right away.
|
|---|
| 2753 | */
|
|---|
| 2754 | if ( !(fFlags & LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE)
|
|---|
| 2755 | && (hFile == NULL || hFile == INVALID_HANDLE_VALUE) )
|
|---|
| 2756 | { /* likely */ }
|
|---|
| 2757 | else
|
|---|
| 2758 | {
|
|---|
| 2759 | KWFS_TODO();
|
|---|
| 2760 | return LoadLibraryExA(pszFilename, hFile, fFlags);
|
|---|
| 2761 | }
|
|---|
| 2762 |
|
|---|
| 2763 | /*
|
|---|
| 2764 | * Check if we've already got a dynload entry for this one.
|
|---|
| 2765 | */
|
|---|
| 2766 | for (pDynLoad = g_Sandbox.pTool->u.Sandboxed.pDynLoadHead; pDynLoad; pDynLoad = pDynLoad->pNext)
|
|---|
| 2767 | if ( pDynLoad->cchRequest == cchFilename
|
|---|
| 2768 | && kHlpMemComp(pDynLoad->szRequest, pszFilename, cchFilename) == 0)
|
|---|
| 2769 | {
|
|---|
| 2770 | if (pDynLoad->pMod)
|
|---|
| 2771 | rc = kwLdrModuleInitTree(pDynLoad->pMod);
|
|---|
| 2772 | else
|
|---|
| 2773 | rc = 0;
|
|---|
| 2774 | if (rc == 0)
|
|---|
| 2775 | {
|
|---|
| 2776 | KW_LOG(("LoadLibraryExA(%s,,) -> %p [cached]\n", pszFilename, pDynLoad->hmod));
|
|---|
| 2777 | return pDynLoad->hmod;
|
|---|
| 2778 | }
|
|---|
| 2779 | SetLastError(ERROR_DLL_INIT_FAILED);
|
|---|
| 2780 | return NULL;
|
|---|
| 2781 | }
|
|---|
| 2782 |
|
|---|
| 2783 | /*
|
|---|
| 2784 | * Allocate a dynload entry for the request.
|
|---|
| 2785 | */
|
|---|
| 2786 | pDynLoad = (PKWDYNLOAD)kHlpAlloc(sizeof(*pDynLoad) + cchFilename + 1);
|
|---|
| 2787 | if (pDynLoad)
|
|---|
| 2788 | {
|
|---|
| 2789 | pDynLoad->cchRequest = cchFilename;
|
|---|
| 2790 | kHlpMemCopy(pDynLoad->szRequest, pszFilename, cchFilename + 1);
|
|---|
| 2791 | }
|
|---|
| 2792 | else
|
|---|
| 2793 | {
|
|---|
| 2794 | KW_LOG(("LoadLibraryExA: Out of memory!\n"));
|
|---|
| 2795 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 2796 | return NULL;
|
|---|
| 2797 | }
|
|---|
| 2798 |
|
|---|
| 2799 | /*
|
|---|
| 2800 | * Deal with resource / data DLLs.
|
|---|
| 2801 | */
|
|---|
| 2802 | if (fFlags & ( DONT_RESOLVE_DLL_REFERENCES
|
|---|
| 2803 | | LOAD_LIBRARY_AS_DATAFILE
|
|---|
| 2804 | | LOAD_LIBRARY_AS_IMAGE_RESOURCE) )
|
|---|
| 2805 | return kwSandbox_Kernel32_LoadLibraryExA_Resource(pDynLoad, fFlags);
|
|---|
| 2806 |
|
|---|
| 2807 | /*
|
|---|
| 2808 | * Special case: api-ms-win-core-synch-l1-2-0 and friends (32-bit yasm, built with VS2015).
|
|---|
| 2809 | */
|
|---|
| 2810 | if ( strnicmp(pszFilename, TUPLE("api-ms-")) == 0
|
|---|
| 2811 | && kHlpIsFilenameOnly(pszFilename))
|
|---|
| 2812 | return kwSandbox_Kernel32_LoadLibraryExA_VirtualApiModule(pDynLoad, fFlags);
|
|---|
| 2813 |
|
|---|
| 2814 | /*
|
|---|
| 2815 | * Normal library loading.
|
|---|
| 2816 | * We start by being very lazy and reusing the code for resolving imports.
|
|---|
| 2817 | */
|
|---|
| 2818 | if (!kHlpIsFilenameOnly(pszFilename))
|
|---|
| 2819 | pMod = kwLdrModuleTryLoadDll(pszFilename, KWLOCATION_UNKNOWN, g_Sandbox.pTool->u.Sandboxed.pExe);
|
|---|
| 2820 | else
|
|---|
| 2821 | {
|
|---|
| 2822 | rc = kwLdrModuleResolveAndLookup(pszFilename, g_Sandbox.pTool->u.Sandboxed.pExe, NULL /*pImporter*/, &pMod);
|
|---|
| 2823 | if (rc != 0)
|
|---|
| 2824 | pMod = NULL;
|
|---|
| 2825 | }
|
|---|
| 2826 | if (pMod)
|
|---|
| 2827 | {
|
|---|
| 2828 | /* Enter it into the tool module table and dynamic link request cache. */
|
|---|
| 2829 | kwToolAddModuleAndImports(g_Sandbox.pTool, pMod);
|
|---|
| 2830 |
|
|---|
| 2831 | pDynLoad->pMod = pMod;
|
|---|
| 2832 | pDynLoad->hmod = pMod->hOurMod;
|
|---|
| 2833 |
|
|---|
| 2834 | pDynLoad->pNext = g_Sandbox.pTool->u.Sandboxed.pDynLoadHead;
|
|---|
| 2835 | g_Sandbox.pTool->u.Sandboxed.pDynLoadHead = pDynLoad;
|
|---|
| 2836 |
|
|---|
| 2837 | /*
|
|---|
| 2838 | * Make sure it's initialized (need to link it first since DllMain may
|
|---|
| 2839 | * use loader APIs).
|
|---|
| 2840 | */
|
|---|
| 2841 | rc = kwLdrModuleInitTree(pMod);
|
|---|
| 2842 | if (rc == 0)
|
|---|
| 2843 | {
|
|---|
| 2844 | KW_LOG(("LoadLibraryExA(%s,,) -> %p\n", pszFilename, pDynLoad->hmod));
|
|---|
| 2845 | return pDynLoad->hmod;
|
|---|
| 2846 | }
|
|---|
| 2847 |
|
|---|
| 2848 | SetLastError(ERROR_DLL_INIT_FAILED);
|
|---|
| 2849 | }
|
|---|
| 2850 | else
|
|---|
| 2851 | {
|
|---|
| 2852 | KWFS_TODO();
|
|---|
| 2853 | kHlpFree(pDynLoad);
|
|---|
| 2854 | SetLastError(ERROR_MOD_NOT_FOUND);
|
|---|
| 2855 | }
|
|---|
| 2856 | return NULL;
|
|---|
| 2857 | }
|
|---|
| 2858 |
|
|---|
| 2859 |
|
|---|
| 2860 | /** Kernel32 - LoadLibraryExW() */
|
|---|
| 2861 | static HMODULE WINAPI kwSandbox_Kernel32_LoadLibraryExW(LPCWSTR pwszFilename, HANDLE hFile, DWORD fFlags)
|
|---|
| 2862 | {
|
|---|
| 2863 | char szTmp[4096];
|
|---|
| 2864 | KSIZE cchTmp = kwUtf16ToStr(pwszFilename, szTmp, sizeof(szTmp));
|
|---|
| 2865 | if (cchTmp < sizeof(szTmp))
|
|---|
| 2866 | return kwSandbox_Kernel32_LoadLibraryExA(szTmp, hFile, fFlags);
|
|---|
| 2867 |
|
|---|
| 2868 | KWFS_TODO();
|
|---|
| 2869 | SetLastError(ERROR_FILENAME_EXCED_RANGE);
|
|---|
| 2870 | return NULL;
|
|---|
| 2871 | }
|
|---|
| 2872 |
|
|---|
| 2873 | /** Kernel32 - LoadLibraryA() */
|
|---|
| 2874 | static HMODULE WINAPI kwSandbox_Kernel32_LoadLibraryA(LPCSTR pszFilename)
|
|---|
| 2875 | {
|
|---|
| 2876 | return kwSandbox_Kernel32_LoadLibraryExA(pszFilename, NULL /*hFile*/, 0 /*fFlags*/);
|
|---|
| 2877 | }
|
|---|
| 2878 |
|
|---|
| 2879 |
|
|---|
| 2880 | /** Kernel32 - LoadLibraryW() */
|
|---|
| 2881 | static HMODULE WINAPI kwSandbox_Kernel32_LoadLibraryW(LPCWSTR pwszFilename)
|
|---|
| 2882 | {
|
|---|
| 2883 | char szTmp[4096];
|
|---|
| 2884 | KSIZE cchTmp = kwUtf16ToStr(pwszFilename, szTmp, sizeof(szTmp));
|
|---|
| 2885 | if (cchTmp < sizeof(szTmp))
|
|---|
| 2886 | return kwSandbox_Kernel32_LoadLibraryExA(szTmp, NULL /*hFile*/, 0 /*fFlags*/);
|
|---|
| 2887 | KWFS_TODO();
|
|---|
| 2888 | SetLastError(ERROR_FILENAME_EXCED_RANGE);
|
|---|
| 2889 | return NULL;
|
|---|
| 2890 | }
|
|---|
| 2891 |
|
|---|
| 2892 |
|
|---|
| 2893 | /** Kernel32 - FreeLibrary() */
|
|---|
| 2894 | static BOOL WINAPI kwSandbox_Kernel32_FreeLibrary(HMODULE hmod)
|
|---|
| 2895 | {
|
|---|
| 2896 | /* Ignored, we like to keep everything loaded. */
|
|---|
| 2897 | return TRUE;
|
|---|
| 2898 | }
|
|---|
| 2899 |
|
|---|
| 2900 |
|
|---|
| 2901 | /** Kernel32 - GetModuleHandleA() */
|
|---|
| 2902 | static HMODULE WINAPI kwSandbox_Kernel32_GetModuleHandleA(LPCSTR pszModule)
|
|---|
| 2903 | {
|
|---|
| 2904 | KSIZE i;
|
|---|
| 2905 | KSIZE cchModule;
|
|---|
| 2906 |
|
|---|
| 2907 | /*
|
|---|
| 2908 | * The executable.
|
|---|
| 2909 | */
|
|---|
| 2910 | if (pszModule == NULL)
|
|---|
| 2911 | return (HMODULE)g_Sandbox.pTool->u.Sandboxed.pExe->hOurMod;
|
|---|
| 2912 |
|
|---|
| 2913 | /*
|
|---|
| 2914 | * Cache of system modules we've seen queried.
|
|---|
| 2915 | */
|
|---|
| 2916 | cchModule = kHlpStrLen(pszModule);
|
|---|
| 2917 | for (i = 0; i < K_ELEMENTS(g_aGetModuleHandleCache); i++)
|
|---|
| 2918 | if ( g_aGetModuleHandleCache[i].cchName == cchModule
|
|---|
| 2919 | && stricmp(pszModule, g_aGetModuleHandleCache[i].pszName) == 0)
|
|---|
| 2920 | {
|
|---|
| 2921 | if (g_aGetModuleHandleCache[i].hmod != NULL)
|
|---|
| 2922 | return g_aGetModuleHandleCache[i].hmod;
|
|---|
| 2923 | return g_aGetModuleHandleCache[i].hmod = GetModuleHandleA(pszModule);
|
|---|
| 2924 | }
|
|---|
| 2925 |
|
|---|
| 2926 | KWFS_TODO();
|
|---|
| 2927 | return NULL;
|
|---|
| 2928 | }
|
|---|
| 2929 |
|
|---|
| 2930 |
|
|---|
| 2931 | /** Kernel32 - GetModuleHandleW() */
|
|---|
| 2932 | static HMODULE WINAPI kwSandbox_Kernel32_GetModuleHandleW(LPCWSTR pwszModule)
|
|---|
| 2933 | {
|
|---|
| 2934 | KSIZE i;
|
|---|
| 2935 | KSIZE cwcModule;
|
|---|
| 2936 |
|
|---|
| 2937 | /*
|
|---|
| 2938 | * The executable.
|
|---|
| 2939 | */
|
|---|
| 2940 | if (pwszModule == NULL)
|
|---|
| 2941 | return (HMODULE)g_Sandbox.pTool->u.Sandboxed.pExe->hOurMod;
|
|---|
| 2942 |
|
|---|
| 2943 | /*
|
|---|
| 2944 | * Cache of system modules we've seen queried.
|
|---|
| 2945 | */
|
|---|
| 2946 | cwcModule = kwUtf16Len(pwszModule);
|
|---|
| 2947 | for (i = 0; i < K_ELEMENTS(g_aGetModuleHandleCache); i++)
|
|---|
| 2948 | if ( g_aGetModuleHandleCache[i].cwcName == cwcModule
|
|---|
| 2949 | && _wcsicmp(pwszModule, g_aGetModuleHandleCache[i].pwszName) == 0)
|
|---|
| 2950 | {
|
|---|
| 2951 | if (g_aGetModuleHandleCache[i].hmod != NULL)
|
|---|
| 2952 | return g_aGetModuleHandleCache[i].hmod;
|
|---|
| 2953 | return g_aGetModuleHandleCache[i].hmod = GetModuleHandleW(pwszModule);
|
|---|
| 2954 | }
|
|---|
| 2955 |
|
|---|
| 2956 | KWFS_TODO();
|
|---|
| 2957 | return NULL;
|
|---|
| 2958 | }
|
|---|
| 2959 |
|
|---|
| 2960 |
|
|---|
| 2961 | /** Used to debug dynamically resolved procedures. */
|
|---|
| 2962 | static UINT WINAPI kwSandbox_BreakIntoDebugger(void *pv1, void *pv2, void *pv3, void *pv4)
|
|---|
| 2963 | {
|
|---|
| 2964 | KWFS_TODO();
|
|---|
| 2965 | return -1;
|
|---|
| 2966 | }
|
|---|
| 2967 |
|
|---|
| 2968 |
|
|---|
| 2969 | /** Kernel32 - GetProcAddress() */
|
|---|
| 2970 | static FARPROC WINAPI kwSandbox_Kernel32_GetProcAddress(HMODULE hmod, LPCSTR pszProc)
|
|---|
| 2971 | {
|
|---|
| 2972 | KSIZE i;
|
|---|
| 2973 |
|
|---|
| 2974 | /*
|
|---|
| 2975 | * Try locate the module.
|
|---|
| 2976 | */
|
|---|
| 2977 | PKWMODULE pMod = kwToolLocateModuleByHandle(g_Sandbox.pTool, hmod);
|
|---|
| 2978 | if (pMod)
|
|---|
| 2979 | {
|
|---|
| 2980 | KLDRADDR uValue;
|
|---|
| 2981 | int rc = kLdrModQuerySymbol(pMod->pLdrMod,
|
|---|
| 2982 | pMod->fNative ? NULL : pMod->u.Manual.pvBits,
|
|---|
| 2983 | pMod->fNative ? KLDRMOD_BASEADDRESS_MAP : (KUPTR)pMod->u.Manual.pvLoad,
|
|---|
| 2984 | KU32_MAX /*iSymbol*/,
|
|---|
| 2985 | pszProc,
|
|---|
| 2986 | strlen(pszProc),
|
|---|
| 2987 | NULL /*pszVersion*/,
|
|---|
| 2988 | NULL /*pfnGetForwarder*/, NULL /*pvUser*/,
|
|---|
| 2989 | &uValue,
|
|---|
| 2990 | NULL /*pfKind*/);
|
|---|
| 2991 | if (rc == 0)
|
|---|
| 2992 | {
|
|---|
| 2993 | static int s_cDbgGets = 0;
|
|---|
| 2994 | s_cDbgGets++;
|
|---|
| 2995 | KW_LOG(("GetProcAddress(%s, %s) -> %p [%d]\n", pMod->pszPath, pszProc, (KUPTR)uValue, s_cDbgGets));
|
|---|
| 2996 | kwLdrModuleRelease(pMod);
|
|---|
| 2997 | //if (s_cGets >= 3)
|
|---|
| 2998 | // return (FARPROC)kwSandbox_BreakIntoDebugger;
|
|---|
| 2999 | return (FARPROC)(KUPTR)uValue;
|
|---|
| 3000 | }
|
|---|
| 3001 |
|
|---|
| 3002 | KWFS_TODO();
|
|---|
| 3003 | SetLastError(ERROR_PROC_NOT_FOUND);
|
|---|
| 3004 | kwLdrModuleRelease(pMod);
|
|---|
| 3005 | return NULL;
|
|---|
| 3006 | }
|
|---|
| 3007 |
|
|---|
| 3008 | /*
|
|---|
| 3009 | * Hmm... could be a cached module-by-name.
|
|---|
| 3010 | */
|
|---|
| 3011 | for (i = 0; i < K_ELEMENTS(g_aGetModuleHandleCache); i++)
|
|---|
| 3012 | if (g_aGetModuleHandleCache[i].hmod == hmod)
|
|---|
| 3013 | return GetProcAddress(hmod, pszProc);
|
|---|
| 3014 |
|
|---|
| 3015 | KWFS_TODO();
|
|---|
| 3016 | return GetProcAddress(hmod, pszProc);
|
|---|
| 3017 | }
|
|---|
| 3018 |
|
|---|
| 3019 |
|
|---|
| 3020 | /** Kernel32 - GetModuleFileNameA() */
|
|---|
| 3021 | static DWORD WINAPI kwSandbox_Kernel32_GetModuleFileNameA(HMODULE hmod, LPSTR pszFilename, DWORD cbFilename)
|
|---|
| 3022 | {
|
|---|
| 3023 | PKWMODULE pMod = kwToolLocateModuleByHandle(g_Sandbox.pTool, hmod);
|
|---|
| 3024 | if (pMod != NULL)
|
|---|
| 3025 | {
|
|---|
| 3026 | DWORD cbRet = kwStrCopyStyle1(pMod->pszPath, pszFilename, cbFilename);
|
|---|
| 3027 | kwLdrModuleRelease(pMod);
|
|---|
| 3028 | return cbRet;
|
|---|
| 3029 | }
|
|---|
| 3030 | KWFS_TODO();
|
|---|
| 3031 | return 0;
|
|---|
| 3032 | }
|
|---|
| 3033 |
|
|---|
| 3034 |
|
|---|
| 3035 | /** Kernel32 - GetModuleFileNameW() */
|
|---|
| 3036 | static DWORD WINAPI kwSandbox_Kernel32_GetModuleFileNameW(HMODULE hmod, LPWSTR pwszFilename, DWORD cbFilename)
|
|---|
| 3037 | {
|
|---|
| 3038 | PKWMODULE pMod = kwToolLocateModuleByHandle(g_Sandbox.pTool, hmod);
|
|---|
| 3039 | if (pMod)
|
|---|
| 3040 | {
|
|---|
| 3041 | DWORD cwcRet = kwUtf16CopyStyle1(pMod->pwszPath, pwszFilename, cbFilename);
|
|---|
| 3042 | kwLdrModuleRelease(pMod);
|
|---|
| 3043 | return cwcRet;
|
|---|
| 3044 | }
|
|---|
| 3045 |
|
|---|
| 3046 | KWFS_TODO();
|
|---|
| 3047 | return 0;
|
|---|
| 3048 | }
|
|---|
| 3049 |
|
|---|
| 3050 |
|
|---|
| 3051 |
|
|---|
| 3052 | /*
|
|---|
| 3053 | *
|
|---|
| 3054 | * File access APIs (for speeding them up).
|
|---|
| 3055 | * File access APIs (for speeding them up).
|
|---|
| 3056 | * File access APIs (for speeding them up).
|
|---|
| 3057 | *
|
|---|
| 3058 | */
|
|---|
| 3059 |
|
|---|
| 3060 |
|
|---|
| 3061 | /**
|
|---|
| 3062 | * Converts a lookup error to a windows error code.
|
|---|
| 3063 | *
|
|---|
| 3064 | * @returns The windows error code.
|
|---|
| 3065 | * @param enmError The lookup error.
|
|---|
| 3066 | */
|
|---|
| 3067 | static DWORD kwFsLookupErrorToWindowsError(KFSLOOKUPERROR enmError)
|
|---|
| 3068 | {
|
|---|
| 3069 | switch (enmError)
|
|---|
| 3070 | {
|
|---|
| 3071 | case KFSLOOKUPERROR_NOT_FOUND:
|
|---|
| 3072 | case KFSLOOKUPERROR_NOT_DIR:
|
|---|
| 3073 | return ERROR_FILE_NOT_FOUND;
|
|---|
| 3074 |
|
|---|
| 3075 | case KFSLOOKUPERROR_PATH_COMP_NOT_FOUND:
|
|---|
| 3076 | case KFSLOOKUPERROR_PATH_COMP_NOT_DIR:
|
|---|
| 3077 | return ERROR_PATH_NOT_FOUND;
|
|---|
| 3078 |
|
|---|
| 3079 | case KFSLOOKUPERROR_PATH_TOO_LONG:
|
|---|
| 3080 | return ERROR_FILENAME_EXCED_RANGE;
|
|---|
| 3081 |
|
|---|
| 3082 | case KFSLOOKUPERROR_OUT_OF_MEMORY:
|
|---|
| 3083 | return ERROR_NOT_ENOUGH_MEMORY;
|
|---|
| 3084 |
|
|---|
| 3085 | default:
|
|---|
| 3086 | return ERROR_PATH_NOT_FOUND;
|
|---|
| 3087 | }
|
|---|
| 3088 | }
|
|---|
| 3089 |
|
|---|
| 3090 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 3091 |
|
|---|
| 3092 | /**
|
|---|
| 3093 | * Checks for a cl.exe temporary file.
|
|---|
| 3094 | *
|
|---|
| 3095 | * There are quite a bunch of these. They seems to be passing data between the
|
|---|
| 3096 | * first and second compiler pass. Since they're on disk, they get subjected to
|
|---|
| 3097 | * AV software screening and normal file consistency rules. So, not necessarily
|
|---|
| 3098 | * a very efficient way of handling reasonably small amounts of data.
|
|---|
| 3099 | *
|
|---|
| 3100 | * We make the files live in virtual memory by intercepting their opening,
|
|---|
| 3101 | * writing, reading, closing , mapping, unmapping, and maybe some more stuff.
|
|---|
| 3102 | *
|
|---|
| 3103 | * @returns K_TRUE / K_FALSE
|
|---|
| 3104 | * @param pwszFilename The file name being accessed.
|
|---|
| 3105 | */
|
|---|
| 3106 | static KBOOL kwFsIsClTempFileW(const wchar_t *pwszFilename)
|
|---|
| 3107 | {
|
|---|
| 3108 | wchar_t const *pwszName = kwPathGetFilenameW(pwszFilename);
|
|---|
| 3109 | if (pwszName)
|
|---|
| 3110 | {
|
|---|
| 3111 | /* The name starts with _CL_... */
|
|---|
| 3112 | if ( pwszName[0] == '_'
|
|---|
| 3113 | && pwszName[1] == 'C'
|
|---|
| 3114 | && pwszName[2] == 'L'
|
|---|
| 3115 | && pwszName[3] == '_' )
|
|---|
| 3116 | {
|
|---|
| 3117 | /* ... followed by 8 xdigits and ends with a two letter file type. Simplify
|
|---|
| 3118 | this check by just checking that it's alpha numerical ascii from here on. */
|
|---|
| 3119 | wchar_t wc;
|
|---|
| 3120 | pwszName += 4;
|
|---|
| 3121 | while ((wc = *pwszName++) != '\0')
|
|---|
| 3122 | {
|
|---|
| 3123 | if (wc < 127 && iswalnum(wc))
|
|---|
| 3124 | { /* likely */ }
|
|---|
| 3125 | else
|
|---|
| 3126 | return K_FALSE;
|
|---|
| 3127 | }
|
|---|
| 3128 | return K_TRUE;
|
|---|
| 3129 | }
|
|---|
| 3130 | }
|
|---|
| 3131 | return K_FALSE;
|
|---|
| 3132 | }
|
|---|
| 3133 |
|
|---|
| 3134 |
|
|---|
| 3135 | /**
|
|---|
| 3136 | * Creates a handle to a temporary file.
|
|---|
| 3137 | *
|
|---|
| 3138 | * @returns The handle on success.
|
|---|
| 3139 | * INVALID_HANDLE_VALUE and SetLastError on failure.
|
|---|
| 3140 | * @param pTempFile The temporary file.
|
|---|
| 3141 | * @param dwDesiredAccess The desired access to the handle.
|
|---|
| 3142 | * @param fMapping Whether this is a mapping (K_TRUE) or file
|
|---|
| 3143 | * (K_FALSE) handle type.
|
|---|
| 3144 | */
|
|---|
| 3145 | static HANDLE kwFsTempFileCreateHandle(PKWFSTEMPFILE pTempFile, DWORD dwDesiredAccess, KBOOL fMapping)
|
|---|
| 3146 | {
|
|---|
| 3147 | /*
|
|---|
| 3148 | * Create a handle to the temporary file.
|
|---|
| 3149 | */
|
|---|
| 3150 | HANDLE hFile = INVALID_HANDLE_VALUE;
|
|---|
| 3151 | HANDLE hProcSelf = GetCurrentProcess();
|
|---|
| 3152 | if (DuplicateHandle(hProcSelf, hProcSelf,
|
|---|
| 3153 | hProcSelf, &hFile,
|
|---|
| 3154 | SYNCHRONIZE, FALSE,
|
|---|
| 3155 | 0 /*dwOptions*/))
|
|---|
| 3156 | {
|
|---|
| 3157 | PKWHANDLE pHandle = (PKWHANDLE)kHlpAlloc(sizeof(*pHandle));
|
|---|
| 3158 | if (pHandle)
|
|---|
| 3159 | {
|
|---|
| 3160 | pHandle->enmType = !fMapping ? KWHANDLETYPE_TEMP_FILE : KWHANDLETYPE_TEMP_FILE_MAPPING;
|
|---|
| 3161 | pHandle->offFile = 0;
|
|---|
| 3162 | pHandle->hHandle = hFile;
|
|---|
| 3163 | pHandle->dwDesiredAccess = dwDesiredAccess;
|
|---|
| 3164 | pHandle->u.pTempFile = pTempFile;
|
|---|
| 3165 | if (kwSandboxHandleTableEnter(&g_Sandbox, pHandle))
|
|---|
| 3166 | {
|
|---|
| 3167 | pTempFile->cActiveHandles++;
|
|---|
| 3168 | kHlpAssert(pTempFile->cActiveHandles >= 1);
|
|---|
| 3169 | kHlpAssert(pTempFile->cActiveHandles <= 2);
|
|---|
| 3170 | KWFS_LOG(("kwFsTempFileCreateHandle: Temporary file '%ls' -> %p\n", pTempFile->pwszPath, hFile));
|
|---|
| 3171 | return hFile;
|
|---|
| 3172 | }
|
|---|
| 3173 |
|
|---|
| 3174 | kHlpFree(pHandle);
|
|---|
| 3175 | }
|
|---|
| 3176 | else
|
|---|
| 3177 | KWFS_LOG(("kwFsTempFileCreateHandle: Out of memory!\n"));
|
|---|
| 3178 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 3179 | }
|
|---|
| 3180 | else
|
|---|
| 3181 | KWFS_LOG(("kwFsTempFileCreateHandle: DuplicateHandle failed: err=%u\n", GetLastError()));
|
|---|
| 3182 | return INVALID_HANDLE_VALUE;
|
|---|
| 3183 | }
|
|---|
| 3184 |
|
|---|
| 3185 |
|
|---|
| 3186 | static HANDLE kwFsTempFileCreateW(const wchar_t *pwszFilename, DWORD dwDesiredAccess, DWORD dwCreationDisposition)
|
|---|
| 3187 | {
|
|---|
| 3188 | HANDLE hFile;
|
|---|
| 3189 | DWORD dwErr;
|
|---|
| 3190 |
|
|---|
| 3191 | /*
|
|---|
| 3192 | * Check if we've got an existing temp file.
|
|---|
| 3193 | * ASSUME exact same path for now.
|
|---|
| 3194 | */
|
|---|
| 3195 | KSIZE const cwcFilename = kwUtf16Len(pwszFilename);
|
|---|
| 3196 | PKWFSTEMPFILE pTempFile;
|
|---|
| 3197 | for (pTempFile = g_Sandbox.pTempFileHead; pTempFile != NULL; pTempFile = pTempFile->pNext)
|
|---|
| 3198 | {
|
|---|
| 3199 | /* Since the last two chars are usually the only difference, we check them manually before calling memcmp. */
|
|---|
| 3200 | if ( pTempFile->cwcPath == cwcFilename
|
|---|
| 3201 | && pTempFile->pwszPath[cwcFilename - 1] == pwszFilename[cwcFilename - 1]
|
|---|
| 3202 | && pTempFile->pwszPath[cwcFilename - 2] == pwszFilename[cwcFilename - 2]
|
|---|
| 3203 | && kHlpMemComp(pTempFile->pwszPath, pwszFilename, cwcFilename) == 0)
|
|---|
| 3204 | break;
|
|---|
| 3205 | }
|
|---|
| 3206 |
|
|---|
| 3207 | /*
|
|---|
| 3208 | * Create a new temporary file instance if not found.
|
|---|
| 3209 | */
|
|---|
| 3210 | if (pTempFile == NULL)
|
|---|
| 3211 | {
|
|---|
| 3212 | KSIZE cbFilename;
|
|---|
| 3213 |
|
|---|
| 3214 | switch (dwCreationDisposition)
|
|---|
| 3215 | {
|
|---|
| 3216 | case CREATE_ALWAYS:
|
|---|
| 3217 | case OPEN_ALWAYS:
|
|---|
| 3218 | dwErr = NO_ERROR;
|
|---|
| 3219 | break;
|
|---|
| 3220 |
|
|---|
| 3221 | case CREATE_NEW:
|
|---|
| 3222 | kHlpAssertFailed();
|
|---|
| 3223 | SetLastError(ERROR_ALREADY_EXISTS);
|
|---|
| 3224 | return INVALID_HANDLE_VALUE;
|
|---|
| 3225 |
|
|---|
| 3226 | case OPEN_EXISTING:
|
|---|
| 3227 | case TRUNCATE_EXISTING:
|
|---|
| 3228 | kHlpAssertFailed();
|
|---|
| 3229 | SetLastError(ERROR_FILE_NOT_FOUND);
|
|---|
| 3230 | return INVALID_HANDLE_VALUE;
|
|---|
| 3231 |
|
|---|
| 3232 | default:
|
|---|
| 3233 | kHlpAssertFailed();
|
|---|
| 3234 | SetLastError(ERROR_INVALID_PARAMETER);
|
|---|
| 3235 | return INVALID_HANDLE_VALUE;
|
|---|
| 3236 | }
|
|---|
| 3237 |
|
|---|
| 3238 | cbFilename = (cwcFilename + 1) * sizeof(wchar_t);
|
|---|
| 3239 | pTempFile = (PKWFSTEMPFILE)kHlpAlloc(sizeof(*pTempFile) + cbFilename);
|
|---|
| 3240 | if (pTempFile)
|
|---|
| 3241 | {
|
|---|
| 3242 | pTempFile->cwcPath = (KU16)cwcFilename;
|
|---|
| 3243 | pTempFile->cbFile = 0;
|
|---|
| 3244 | pTempFile->cbFileAllocated = 0;
|
|---|
| 3245 | pTempFile->cActiveHandles = 0;
|
|---|
| 3246 | pTempFile->cMappings = 0;
|
|---|
| 3247 | pTempFile->cSegs = 0;
|
|---|
| 3248 | pTempFile->paSegs = NULL;
|
|---|
| 3249 | pTempFile->pwszPath = (wchar_t const *)kHlpMemCopy(pTempFile + 1, pwszFilename, cbFilename);
|
|---|
| 3250 |
|
|---|
| 3251 | pTempFile->pNext = g_Sandbox.pTempFileHead;
|
|---|
| 3252 | g_Sandbox.pTempFileHead = pTempFile;
|
|---|
| 3253 | KWFS_LOG(("kwFsTempFileCreateW: Created new temporary file '%ls'\n", pwszFilename));
|
|---|
| 3254 | }
|
|---|
| 3255 | else
|
|---|
| 3256 | {
|
|---|
| 3257 | KWFS_LOG(("kwFsTempFileCreateW: Out of memory!\n"));
|
|---|
| 3258 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 3259 | return INVALID_HANDLE_VALUE;
|
|---|
| 3260 | }
|
|---|
| 3261 | }
|
|---|
| 3262 | else
|
|---|
| 3263 | {
|
|---|
| 3264 | switch (dwCreationDisposition)
|
|---|
| 3265 | {
|
|---|
| 3266 | case OPEN_EXISTING:
|
|---|
| 3267 | dwErr = NO_ERROR;
|
|---|
| 3268 | break;
|
|---|
| 3269 | case OPEN_ALWAYS:
|
|---|
| 3270 | dwErr = ERROR_ALREADY_EXISTS ;
|
|---|
| 3271 | break;
|
|---|
| 3272 |
|
|---|
| 3273 | case TRUNCATE_EXISTING:
|
|---|
| 3274 | case CREATE_ALWAYS:
|
|---|
| 3275 | kHlpAssertFailed();
|
|---|
| 3276 | pTempFile->cbFile = 0;
|
|---|
| 3277 | dwErr = ERROR_ALREADY_EXISTS;
|
|---|
| 3278 | break;
|
|---|
| 3279 |
|
|---|
| 3280 | case CREATE_NEW:
|
|---|
| 3281 | kHlpAssertFailed();
|
|---|
| 3282 | SetLastError(ERROR_FILE_EXISTS);
|
|---|
| 3283 | return INVALID_HANDLE_VALUE;
|
|---|
| 3284 |
|
|---|
| 3285 | default:
|
|---|
| 3286 | kHlpAssertFailed();
|
|---|
| 3287 | SetLastError(ERROR_INVALID_PARAMETER);
|
|---|
| 3288 | return INVALID_HANDLE_VALUE;
|
|---|
| 3289 | }
|
|---|
| 3290 | }
|
|---|
| 3291 |
|
|---|
| 3292 | /*
|
|---|
| 3293 | * Create a handle to the temporary file.
|
|---|
| 3294 | */
|
|---|
| 3295 | hFile = kwFsTempFileCreateHandle(pTempFile, dwDesiredAccess, K_FALSE /*fMapping*/);
|
|---|
| 3296 | if (hFile != INVALID_HANDLE_VALUE)
|
|---|
| 3297 | SetLastError(dwErr);
|
|---|
| 3298 | return hFile;
|
|---|
| 3299 | }
|
|---|
| 3300 |
|
|---|
| 3301 | #endif /* WITH_TEMP_MEMORY_FILES */
|
|---|
| 3302 |
|
|---|
| 3303 |
|
|---|
| 3304 | /**
|
|---|
| 3305 | * Checks if the file extension indicates that the file/dir is something we
|
|---|
| 3306 | * ought to cache.
|
|---|
| 3307 | *
|
|---|
| 3308 | * @returns K_TRUE if cachable, K_FALSE if not.
|
|---|
| 3309 | * @param pszExt The kHlpGetExt result.
|
|---|
| 3310 | * @param fAttrQuery Set if it's for an attribute query, clear if for
|
|---|
| 3311 | * file creation.
|
|---|
| 3312 | */
|
|---|
| 3313 | static KBOOL kwFsIsCachableExtensionA(const char *pszExt, KBOOL fAttrQuery)
|
|---|
| 3314 | {
|
|---|
| 3315 | char const chFirst = *pszExt;
|
|---|
| 3316 |
|
|---|
| 3317 | /* C++ header without an extension or a directory. */
|
|---|
| 3318 | if (chFirst == '\0')
|
|---|
| 3319 | {
|
|---|
| 3320 | /** @todo exclude temporary files... */
|
|---|
| 3321 | return K_TRUE;
|
|---|
| 3322 | }
|
|---|
| 3323 |
|
|---|
| 3324 | /* C Header: .h */
|
|---|
| 3325 | if (chFirst == 'h' || chFirst == 'H')
|
|---|
| 3326 | {
|
|---|
| 3327 | char chThird;
|
|---|
| 3328 | char const chSecond = pszExt[1];
|
|---|
| 3329 | if (chSecond == '\0')
|
|---|
| 3330 | return K_TRUE;
|
|---|
| 3331 | chThird = pszExt[2];
|
|---|
| 3332 |
|
|---|
| 3333 | /* C++ Header: .hpp, .hxx */
|
|---|
| 3334 | if ( (chSecond == 'p' || chSecond == 'P')
|
|---|
| 3335 | && (chThird == 'p' || chThird == 'P')
|
|---|
| 3336 | && pszExt[3] == '\0')
|
|---|
| 3337 | return K_TRUE;
|
|---|
| 3338 | if ( (chSecond == 'x' || chSecond == 'X')
|
|---|
| 3339 | && (chThird == 'x' || chThird == 'X')
|
|---|
| 3340 | && pszExt[3] == '\0')
|
|---|
| 3341 | return K_TRUE;
|
|---|
| 3342 |
|
|---|
| 3343 | }
|
|---|
| 3344 | /* Misc starting with i. */
|
|---|
| 3345 | else if (chFirst == 'i' || chFirst == 'I')
|
|---|
| 3346 | {
|
|---|
| 3347 | char const chSecond = pszExt[1];
|
|---|
| 3348 | if (chSecond != '\0')
|
|---|
| 3349 | {
|
|---|
| 3350 | if (chSecond == 'n' || chSecond == 'N')
|
|---|
| 3351 | {
|
|---|
| 3352 | char const chThird = pszExt[2];
|
|---|
| 3353 |
|
|---|
| 3354 | /* C++ inline header: .inl */
|
|---|
| 3355 | if ( (chThird == 'l' || chThird == 'L')
|
|---|
| 3356 | && pszExt[3] == '\0')
|
|---|
| 3357 | return K_TRUE;
|
|---|
| 3358 |
|
|---|
| 3359 | /* Assembly include file: .inc */
|
|---|
| 3360 | if ( (chThird == 'c' || chThird == 'C')
|
|---|
| 3361 | && pszExt[3] == '\0')
|
|---|
| 3362 | return K_TRUE;
|
|---|
| 3363 | }
|
|---|
| 3364 | }
|
|---|
| 3365 | }
|
|---|
| 3366 | else if (fAttrQuery)
|
|---|
| 3367 | {
|
|---|
| 3368 | /* Dynamic link library: .dll */
|
|---|
| 3369 | if (chFirst == 'd' || chFirst == 'D')
|
|---|
| 3370 | {
|
|---|
| 3371 | char const chSecond = pszExt[1];
|
|---|
| 3372 | if (chSecond == 'l' || chSecond == 'L')
|
|---|
| 3373 | {
|
|---|
| 3374 | char const chThird = pszExt[2];
|
|---|
| 3375 | if (chThird == 'l' || chThird == 'L')
|
|---|
| 3376 | return K_TRUE;
|
|---|
| 3377 | }
|
|---|
| 3378 | }
|
|---|
| 3379 | /* Executable file: .exe */
|
|---|
| 3380 | else if (chFirst == 'e' || chFirst == 'E')
|
|---|
| 3381 | {
|
|---|
| 3382 | char const chSecond = pszExt[1];
|
|---|
| 3383 | if (chSecond == 'x' || chSecond == 'X')
|
|---|
| 3384 | {
|
|---|
| 3385 | char const chThird = pszExt[2];
|
|---|
| 3386 | if (chThird == 'e' || chThird == 'e')
|
|---|
| 3387 | return K_TRUE;
|
|---|
| 3388 | }
|
|---|
| 3389 | }
|
|---|
| 3390 | }
|
|---|
| 3391 |
|
|---|
| 3392 | return K_FALSE;
|
|---|
| 3393 | }
|
|---|
| 3394 |
|
|---|
| 3395 |
|
|---|
| 3396 | /**
|
|---|
| 3397 | * Checks if the extension of the given UTF-16 path indicates that the file/dir
|
|---|
| 3398 | * should be cached.
|
|---|
| 3399 | *
|
|---|
| 3400 | * @returns K_TRUE if cachable, K_FALSE if not.
|
|---|
| 3401 | * @param pwszPath The UTF-16 path to examine.
|
|---|
| 3402 | * @param fAttrQuery Set if it's for an attribute query, clear if for
|
|---|
| 3403 | * file creation.
|
|---|
| 3404 | */
|
|---|
| 3405 | static KBOOL kwFsIsCachablePathExtensionW(const wchar_t *pwszPath, KBOOL fAttrQuery)
|
|---|
| 3406 | {
|
|---|
| 3407 | /*
|
|---|
| 3408 | * Extract the extension, check that it's in the applicable range, roughly
|
|---|
| 3409 | * convert it to ASCII/ANSI, and feed it to kwFsIsCachableExtensionA for
|
|---|
| 3410 | * the actual check. This avoids a lot of code duplication.
|
|---|
| 3411 | */
|
|---|
| 3412 | wchar_t wc;
|
|---|
| 3413 | char szExt[4];
|
|---|
| 3414 | KSIZE cwcExt;
|
|---|
| 3415 | wchar_t const *pwszExt = kwFsPathGetExtW(pwszPath, &cwcExt);
|
|---|
| 3416 | switch (cwcExt)
|
|---|
| 3417 | {
|
|---|
| 3418 | case 3: if ((wchar_t)(szExt[2] = (char)(wc = pwszExt[2])) == wc) { /*likely*/ } else break;
|
|---|
| 3419 | case 2: if ((wchar_t)(szExt[1] = (char)(wc = pwszExt[1])) == wc) { /*likely*/ } else break;
|
|---|
| 3420 | case 1: if ((wchar_t)(szExt[0] = (char)(wc = pwszExt[0])) == wc) { /*likely*/ } else break;
|
|---|
| 3421 | case 0:
|
|---|
| 3422 | szExt[cwcExt] = '\0';
|
|---|
| 3423 | return kwFsIsCachableExtensionA(szExt, fAttrQuery);
|
|---|
| 3424 | }
|
|---|
| 3425 | return K_FALSE;
|
|---|
| 3426 | }
|
|---|
| 3427 |
|
|---|
| 3428 |
|
|---|
| 3429 |
|
|---|
| 3430 | /**
|
|---|
| 3431 | * Creates a new
|
|---|
| 3432 | *
|
|---|
| 3433 | * @returns
|
|---|
| 3434 | * @param pFsObj .
|
|---|
| 3435 | * @param pwszFilename .
|
|---|
| 3436 | */
|
|---|
| 3437 | static PKFSWCACHEDFILE kwFsObjCacheNewFile(PKFSOBJ pFsObj)
|
|---|
| 3438 | {
|
|---|
| 3439 | HANDLE hFile;
|
|---|
| 3440 | MY_IO_STATUS_BLOCK Ios;
|
|---|
| 3441 | MY_OBJECT_ATTRIBUTES ObjAttr;
|
|---|
| 3442 | MY_UNICODE_STRING UniStr;
|
|---|
| 3443 | MY_NTSTATUS rcNt;
|
|---|
| 3444 |
|
|---|
| 3445 | /*
|
|---|
| 3446 | * Open the file relative to the parent directory.
|
|---|
| 3447 | */
|
|---|
| 3448 | kHlpAssert(pFsObj->bObjType == KFSOBJ_TYPE_FILE);
|
|---|
| 3449 | kHlpAssert(pFsObj->pParent);
|
|---|
| 3450 | kHlpAssertReturn(pFsObj->pParent->hDir != INVALID_HANDLE_VALUE, NULL);
|
|---|
| 3451 |
|
|---|
| 3452 | Ios.Information = -1;
|
|---|
| 3453 | Ios.u.Status = -1;
|
|---|
| 3454 |
|
|---|
| 3455 | UniStr.Buffer = (wchar_t *)pFsObj->pwszName;
|
|---|
| 3456 | UniStr.Length = (USHORT)(pFsObj->cwcName * sizeof(wchar_t));
|
|---|
| 3457 | UniStr.MaximumLength = UniStr.Length + sizeof(wchar_t);
|
|---|
| 3458 |
|
|---|
| 3459 | MyInitializeObjectAttributes(&ObjAttr, &UniStr, OBJ_CASE_INSENSITIVE, pFsObj->pParent->hDir, NULL /*pSecAttr*/);
|
|---|
| 3460 |
|
|---|
| 3461 | rcNt = g_pfnNtCreateFile(&hFile,
|
|---|
| 3462 | GENERIC_READ | SYNCHRONIZE,
|
|---|
| 3463 | &ObjAttr,
|
|---|
| 3464 | &Ios,
|
|---|
| 3465 | NULL, /*cbFileInitialAlloc */
|
|---|
| 3466 | FILE_ATTRIBUTE_NORMAL,
|
|---|
| 3467 | FILE_SHARE_READ,
|
|---|
| 3468 | FILE_OPEN,
|
|---|
| 3469 | FILE_NON_DIRECTORY_FILE | FILE_SYNCHRONOUS_IO_NONALERT,
|
|---|
| 3470 | NULL, /*pEaBuffer*/
|
|---|
| 3471 | 0); /*cbEaBuffer*/
|
|---|
| 3472 | if (MY_NT_SUCCESS(rcNt))
|
|---|
| 3473 | {
|
|---|
| 3474 | /*
|
|---|
| 3475 | * Read the whole file into memory.
|
|---|
| 3476 | */
|
|---|
| 3477 | LARGE_INTEGER cbFile;
|
|---|
| 3478 | if (GetFileSizeEx(hFile, &cbFile))
|
|---|
| 3479 | {
|
|---|
| 3480 | if ( cbFile.QuadPart >= 0
|
|---|
| 3481 | && cbFile.QuadPart < 16*1024*1024)
|
|---|
| 3482 | {
|
|---|
| 3483 | KU32 cbCache = (KU32)cbFile.QuadPart;
|
|---|
| 3484 | KU8 *pbCache = (KU8 *)kHlpAlloc(cbCache);
|
|---|
| 3485 | if (pbCache)
|
|---|
| 3486 | {
|
|---|
| 3487 | DWORD cbActually = 0;
|
|---|
| 3488 | if ( ReadFile(hFile, pbCache, cbCache, &cbActually, NULL)
|
|---|
| 3489 | && cbActually == cbCache)
|
|---|
| 3490 | {
|
|---|
| 3491 | LARGE_INTEGER offZero;
|
|---|
| 3492 | offZero.QuadPart = 0;
|
|---|
| 3493 | if (SetFilePointerEx(hFile, offZero, NULL /*poffNew*/, FILE_BEGIN))
|
|---|
| 3494 | {
|
|---|
| 3495 | /*
|
|---|
| 3496 | * Create the cached file object.
|
|---|
| 3497 | */
|
|---|
| 3498 | PKFSWCACHEDFILE pCachedFile;
|
|---|
| 3499 | pCachedFile = (PKFSWCACHEDFILE)kFsCacheObjAddUserData(g_pFsCache, pFsObj, KW_DATA_KEY_CACHED_FILE,
|
|---|
| 3500 | sizeof(*pCachedFile));
|
|---|
| 3501 | if (pCachedFile)
|
|---|
| 3502 | {
|
|---|
| 3503 | pCachedFile->hCached = hFile;
|
|---|
| 3504 | pCachedFile->cbCached = cbCache;
|
|---|
| 3505 | pCachedFile->pbCached = pbCache;
|
|---|
| 3506 | pCachedFile->pFsObj = pFsObj;
|
|---|
| 3507 | kFsCacheObjRetain(pFsObj);
|
|---|
| 3508 | return pCachedFile;
|
|---|
| 3509 | }
|
|---|
| 3510 |
|
|---|
| 3511 | KWFS_LOG(("Failed to allocate KFSWCACHEDFILE structure!\n"));
|
|---|
| 3512 | }
|
|---|
| 3513 | else
|
|---|
| 3514 | KWFS_LOG(("Failed to seek to start of cached file! err=%u\n", GetLastError()));
|
|---|
| 3515 | }
|
|---|
| 3516 | else
|
|---|
| 3517 | KWFS_LOG(("Failed to read %#x bytes into cache! err=%u cbActually=%#x\n",
|
|---|
| 3518 | cbCache, GetLastError(), cbActually));
|
|---|
| 3519 | kHlpFree(pbCache);
|
|---|
| 3520 | }
|
|---|
| 3521 | else
|
|---|
| 3522 | KWFS_LOG(("Failed to allocate %#x bytes for cache!\n", cbCache));
|
|---|
| 3523 | }
|
|---|
| 3524 | else
|
|---|
| 3525 | KWFS_LOG(("File to big to cache! %#llx\n", cbFile.QuadPart));
|
|---|
| 3526 | }
|
|---|
| 3527 | else
|
|---|
| 3528 | KWFS_LOG(("File to get file size! err=%u\n", GetLastError()));
|
|---|
| 3529 | g_pfnNtClose(hFile);
|
|---|
| 3530 | }
|
|---|
| 3531 | else
|
|---|
| 3532 | KWFS_LOG(("Error opening '%ls' for caching: %#x\n", pFsObj->pwszName, rcNt));
|
|---|
| 3533 | return NULL;
|
|---|
| 3534 | }
|
|---|
| 3535 |
|
|---|
| 3536 |
|
|---|
| 3537 | /**
|
|---|
| 3538 | * Kernel32 - Common code for CreateFileW and CreateFileA.
|
|---|
| 3539 | */
|
|---|
| 3540 | static KBOOL kwFsObjCacheCreateFile(PKFSOBJ pFsObj, DWORD dwDesiredAccess, BOOL fInheritHandle, HANDLE *phFile)
|
|---|
| 3541 | {
|
|---|
| 3542 | *phFile = INVALID_HANDLE_VALUE;
|
|---|
| 3543 | kHlpAssert(pFsObj->fHaveStats);
|
|---|
| 3544 |
|
|---|
| 3545 | /*
|
|---|
| 3546 | * At the moment we only handle existing files.
|
|---|
| 3547 | */
|
|---|
| 3548 | if (pFsObj->bObjType == KFSOBJ_TYPE_FILE)
|
|---|
| 3549 | {
|
|---|
| 3550 | PKFSWCACHEDFILE pCachedFile = (PKFSWCACHEDFILE)kFsCacheObjGetUserData(g_pFsCache, pFsObj, KW_DATA_KEY_CACHED_FILE);
|
|---|
| 3551 | if ( pCachedFile != NULL
|
|---|
| 3552 | || (pCachedFile = kwFsObjCacheNewFile(pFsObj)) != NULL)
|
|---|
| 3553 | {
|
|---|
| 3554 | HANDLE hProcSelf = GetCurrentProcess();
|
|---|
| 3555 | if (DuplicateHandle(hProcSelf, pCachedFile->hCached,
|
|---|
| 3556 | hProcSelf, phFile,
|
|---|
| 3557 | dwDesiredAccess, fInheritHandle,
|
|---|
| 3558 | 0 /*dwOptions*/))
|
|---|
| 3559 | {
|
|---|
| 3560 | /*
|
|---|
| 3561 | * Create handle table entry for the duplicate handle.
|
|---|
| 3562 | */
|
|---|
| 3563 | PKWHANDLE pHandle = (PKWHANDLE)kHlpAlloc(sizeof(*pHandle));
|
|---|
| 3564 | if (pHandle)
|
|---|
| 3565 | {
|
|---|
| 3566 | pHandle->enmType = KWHANDLETYPE_FSOBJ_READ_CACHE;
|
|---|
| 3567 | pHandle->offFile = 0;
|
|---|
| 3568 | pHandle->hHandle = *phFile;
|
|---|
| 3569 | pHandle->dwDesiredAccess = dwDesiredAccess;
|
|---|
| 3570 | pHandle->u.pCachedFile = pCachedFile;
|
|---|
| 3571 | if (kwSandboxHandleTableEnter(&g_Sandbox, pHandle))
|
|---|
| 3572 | return K_TRUE;
|
|---|
| 3573 |
|
|---|
| 3574 | kHlpFree(pHandle);
|
|---|
| 3575 | }
|
|---|
| 3576 | else
|
|---|
| 3577 | KWFS_LOG(("Out of memory for handle!\n"));
|
|---|
| 3578 |
|
|---|
| 3579 | CloseHandle(*phFile);
|
|---|
| 3580 | *phFile = INVALID_HANDLE_VALUE;
|
|---|
| 3581 | }
|
|---|
| 3582 | else
|
|---|
| 3583 | KWFS_LOG(("DuplicateHandle failed! err=%u\n", GetLastError()));
|
|---|
| 3584 | }
|
|---|
| 3585 | }
|
|---|
| 3586 | /** @todo Deal with non-existing files if it becomes necessary (it's not for VS2010). */
|
|---|
| 3587 |
|
|---|
| 3588 | /* Do fallback, please. */
|
|---|
| 3589 | return K_FALSE;
|
|---|
| 3590 | }
|
|---|
| 3591 |
|
|---|
| 3592 |
|
|---|
| 3593 | /** Kernel32 - CreateFileA */
|
|---|
| 3594 | static HANDLE WINAPI kwSandbox_Kernel32_CreateFileA(LPCSTR pszFilename, DWORD dwDesiredAccess, DWORD dwShareMode,
|
|---|
| 3595 | LPSECURITY_ATTRIBUTES pSecAttrs, DWORD dwCreationDisposition,
|
|---|
| 3596 | DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
|
|---|
| 3597 | {
|
|---|
| 3598 | HANDLE hFile;
|
|---|
| 3599 | if (dwCreationDisposition == FILE_OPEN_IF)
|
|---|
| 3600 | {
|
|---|
| 3601 | if ( dwDesiredAccess == GENERIC_READ
|
|---|
| 3602 | || dwDesiredAccess == FILE_GENERIC_READ)
|
|---|
| 3603 | {
|
|---|
| 3604 | if (dwShareMode & FILE_SHARE_READ)
|
|---|
| 3605 | {
|
|---|
| 3606 | if ( !pSecAttrs
|
|---|
| 3607 | || ( pSecAttrs->nLength == sizeof(*pSecAttrs)
|
|---|
| 3608 | && pSecAttrs->lpSecurityDescriptor == NULL ) )
|
|---|
| 3609 | {
|
|---|
| 3610 | const char *pszExt = kHlpGetExt(pszFilename);
|
|---|
| 3611 | if (kwFsIsCachableExtensionA(pszExt, K_FALSE /*fAttrQuery*/))
|
|---|
| 3612 | {
|
|---|
| 3613 | KFSLOOKUPERROR enmError;
|
|---|
| 3614 | PKFSOBJ pFsObj = kFsCacheLookupNoMissingA(g_pFsCache, pszFilename, &enmError);
|
|---|
| 3615 | if (pFsObj)
|
|---|
| 3616 | {
|
|---|
| 3617 | KBOOL fRc = kwFsObjCacheCreateFile(pFsObj, dwDesiredAccess, pSecAttrs && pSecAttrs->bInheritHandle,
|
|---|
| 3618 | &hFile);
|
|---|
| 3619 | kFsCacheObjRelease(g_pFsCache, pFsObj);
|
|---|
| 3620 | if (fRc)
|
|---|
| 3621 | {
|
|---|
| 3622 | KWFS_LOG(("CreateFileA(%s) -> %p [cached]\n", pszFilename, hFile));
|
|---|
| 3623 | return hFile;
|
|---|
| 3624 | }
|
|---|
| 3625 | }
|
|---|
| 3626 |
|
|---|
| 3627 | /* fallback */
|
|---|
| 3628 | hFile = CreateFileA(pszFilename, dwDesiredAccess, dwShareMode, pSecAttrs,
|
|---|
| 3629 | dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
|
|---|
| 3630 | KWFS_LOG(("CreateFileA(%s) -> %p (err=%u) [fallback]\n", pszFilename, hFile, GetLastError()));
|
|---|
| 3631 | return hFile;
|
|---|
| 3632 | }
|
|---|
| 3633 | }
|
|---|
| 3634 | }
|
|---|
| 3635 | }
|
|---|
| 3636 | }
|
|---|
| 3637 |
|
|---|
| 3638 | hFile = CreateFileA(pszFilename, dwDesiredAccess, dwShareMode, pSecAttrs,
|
|---|
| 3639 | dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
|
|---|
| 3640 | KWFS_LOG(("CreateFileA(%s) -> %p\n", pszFilename, hFile));
|
|---|
| 3641 | return hFile;
|
|---|
| 3642 | }
|
|---|
| 3643 |
|
|---|
| 3644 |
|
|---|
| 3645 | /** Kernel32 - CreateFileW */
|
|---|
| 3646 | static HANDLE WINAPI kwSandbox_Kernel32_CreateFileW(LPCWSTR pwszFilename, DWORD dwDesiredAccess, DWORD dwShareMode,
|
|---|
| 3647 | LPSECURITY_ATTRIBUTES pSecAttrs, DWORD dwCreationDisposition,
|
|---|
| 3648 | DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
|
|---|
| 3649 | {
|
|---|
| 3650 | HANDLE hFile;
|
|---|
| 3651 |
|
|---|
| 3652 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 3653 | /* First check for temporary files (cl.exe only). */
|
|---|
| 3654 | if ( g_Sandbox.pTool->u.Sandboxed.enmHint == KWTOOLHINT_VISUAL_CPP_CL
|
|---|
| 3655 | && !(dwFlagsAndAttributes & (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_DEVICE | FILE_FLAG_BACKUP_SEMANTICS))
|
|---|
| 3656 | && !(dwDesiredAccess & (GENERIC_EXECUTE | FILE_EXECUTE))
|
|---|
| 3657 | && kwFsIsClTempFileW(pwszFilename))
|
|---|
| 3658 | {
|
|---|
| 3659 | hFile = kwFsTempFileCreateW(pwszFilename, dwDesiredAccess, dwCreationDisposition);
|
|---|
| 3660 | KWFS_LOG(("CreateFileW(%ls) -> %p [temp]\n", pwszFilename, hFile));
|
|---|
| 3661 | return hFile;
|
|---|
| 3662 | }
|
|---|
| 3663 | #endif
|
|---|
| 3664 |
|
|---|
| 3665 | /* Then check for include files and similar. */
|
|---|
| 3666 | if (dwCreationDisposition == FILE_OPEN_IF)
|
|---|
| 3667 | {
|
|---|
| 3668 | if ( dwDesiredAccess == GENERIC_READ
|
|---|
| 3669 | || dwDesiredAccess == FILE_GENERIC_READ)
|
|---|
| 3670 | {
|
|---|
| 3671 | if (dwShareMode & FILE_SHARE_READ)
|
|---|
| 3672 | {
|
|---|
| 3673 | if ( !pSecAttrs
|
|---|
| 3674 | || ( pSecAttrs->nLength == sizeof(*pSecAttrs)
|
|---|
| 3675 | && pSecAttrs->lpSecurityDescriptor == NULL ) )
|
|---|
| 3676 | {
|
|---|
| 3677 | if (kwFsIsCachablePathExtensionW(pwszFilename, K_FALSE /*fAttrQuery*/))
|
|---|
| 3678 | {
|
|---|
| 3679 | /** @todo rewrite to pure UTF-16. */
|
|---|
| 3680 | char szTmp[2048];
|
|---|
| 3681 | KSIZE cch = kwUtf16ToStr(pwszFilename, szTmp, sizeof(szTmp));
|
|---|
| 3682 | if (cch < sizeof(szTmp))
|
|---|
| 3683 | return kwSandbox_Kernel32_CreateFileA(szTmp, dwDesiredAccess, dwShareMode, pSecAttrs,
|
|---|
| 3684 | dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
|
|---|
| 3685 | }
|
|---|
| 3686 | }
|
|---|
| 3687 | else
|
|---|
| 3688 | KWFS_LOG(("CreateFileW: incompatible security attributes (nLength=%#x pDesc=%p)\n",
|
|---|
| 3689 | pSecAttrs->nLength, pSecAttrs->lpSecurityDescriptor));
|
|---|
| 3690 | }
|
|---|
| 3691 | else
|
|---|
| 3692 | KWFS_LOG(("CreateFileW: incompatible sharing mode %#x\n", dwShareMode));
|
|---|
| 3693 | }
|
|---|
| 3694 | else
|
|---|
| 3695 | KWFS_LOG(("CreateFileW: incompatible desired access %#x\n", dwDesiredAccess));
|
|---|
| 3696 | }
|
|---|
| 3697 | else
|
|---|
| 3698 | KWFS_LOG(("CreateFileW: incompatible disposition %u\n", dwCreationDisposition));
|
|---|
| 3699 | hFile = CreateFileW(pwszFilename, dwDesiredAccess, dwShareMode, pSecAttrs,
|
|---|
| 3700 | dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
|
|---|
| 3701 | KWFS_LOG(("CreateFileW(%ls) -> %p\n", pwszFilename, hFile));
|
|---|
| 3702 | return hFile;
|
|---|
| 3703 | }
|
|---|
| 3704 |
|
|---|
| 3705 |
|
|---|
| 3706 | /** Kernel32 - SetFilePointer */
|
|---|
| 3707 | static DWORD WINAPI kwSandbox_Kernel32_SetFilePointer(HANDLE hFile, LONG cbMove, PLONG pcbMoveHi, DWORD dwMoveMethod)
|
|---|
| 3708 | {
|
|---|
| 3709 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 3710 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 3711 | {
|
|---|
| 3712 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 3713 | if (pHandle != NULL)
|
|---|
| 3714 | {
|
|---|
| 3715 | KU32 cbFile;
|
|---|
| 3716 | KI64 offMove = pcbMoveHi ? ((KI64)*pcbMoveHi << 32) | cbMove : cbMove;
|
|---|
| 3717 | switch (pHandle->enmType)
|
|---|
| 3718 | {
|
|---|
| 3719 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 3720 | cbFile = pHandle->u.pCachedFile->cbCached;
|
|---|
| 3721 | break;
|
|---|
| 3722 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 3723 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 3724 | cbFile = pHandle->u.pTempFile->cbFile;
|
|---|
| 3725 | break;
|
|---|
| 3726 | case KWHANDLETYPE_TEMP_FILE_MAPPING:
|
|---|
| 3727 | #endif
|
|---|
| 3728 | default:
|
|---|
| 3729 | kHlpAssertFailed();
|
|---|
| 3730 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 3731 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3732 | }
|
|---|
| 3733 |
|
|---|
| 3734 | switch (dwMoveMethod)
|
|---|
| 3735 | {
|
|---|
| 3736 | case FILE_BEGIN:
|
|---|
| 3737 | break;
|
|---|
| 3738 | case FILE_CURRENT:
|
|---|
| 3739 | offMove += pHandle->offFile;
|
|---|
| 3740 | break;
|
|---|
| 3741 | case FILE_END:
|
|---|
| 3742 | offMove += cbFile;
|
|---|
| 3743 | break;
|
|---|
| 3744 | default:
|
|---|
| 3745 | KWFS_LOG(("SetFilePointer(%p) - invalid seek method %u! [cached]\n", hFile));
|
|---|
| 3746 | SetLastError(ERROR_INVALID_PARAMETER);
|
|---|
| 3747 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3748 | }
|
|---|
| 3749 | if (offMove >= 0)
|
|---|
| 3750 | {
|
|---|
| 3751 | if (offMove >= (KSSIZE)cbFile)
|
|---|
| 3752 | {
|
|---|
| 3753 | /* For read-only files, seeking beyond the end isn't useful to us, so clamp it. */
|
|---|
| 3754 | if (pHandle->enmType != KWHANDLETYPE_TEMP_FILE)
|
|---|
| 3755 | offMove = (KSSIZE)cbFile;
|
|---|
| 3756 | /* For writable files, seeking beyond the end is fine, but check that we've got
|
|---|
| 3757 | the type range for the request. */
|
|---|
| 3758 | else if (((KU64)offMove & KU32_MAX) != (KU64)offMove)
|
|---|
| 3759 | {
|
|---|
| 3760 | kHlpAssertMsgFailed(("%#llx\n", offMove));
|
|---|
| 3761 | SetLastError(ERROR_SEEK);
|
|---|
| 3762 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3763 | }
|
|---|
| 3764 | }
|
|---|
| 3765 | pHandle->offFile = (KU32)offMove;
|
|---|
| 3766 | }
|
|---|
| 3767 | else
|
|---|
| 3768 | {
|
|---|
| 3769 | KWFS_LOG(("SetFilePointer(%p) - negative seek! [cached]\n", hFile));
|
|---|
| 3770 | SetLastError(ERROR_NEGATIVE_SEEK);
|
|---|
| 3771 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3772 | }
|
|---|
| 3773 | if (pcbMoveHi)
|
|---|
| 3774 | *pcbMoveHi = (KU64)offMove >> 32;
|
|---|
| 3775 | KWFS_LOG(("SetFilePointer(%p) -> %#llx [cached]\n", hFile, offMove));
|
|---|
| 3776 | SetLastError(NO_ERROR);
|
|---|
| 3777 | return (KU32)offMove;
|
|---|
| 3778 | }
|
|---|
| 3779 | }
|
|---|
| 3780 | KWFS_LOG(("SetFilePointer(%p)\n", hFile));
|
|---|
| 3781 | return SetFilePointer(hFile, cbMove, pcbMoveHi, dwMoveMethod);
|
|---|
| 3782 | }
|
|---|
| 3783 |
|
|---|
| 3784 |
|
|---|
| 3785 | /** Kernel32 - SetFilePointerEx */
|
|---|
| 3786 | static BOOL WINAPI kwSandbox_Kernel32_SetFilePointerEx(HANDLE hFile, LARGE_INTEGER offMove, PLARGE_INTEGER poffNew,
|
|---|
| 3787 | DWORD dwMoveMethod)
|
|---|
| 3788 | {
|
|---|
| 3789 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 3790 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 3791 | {
|
|---|
| 3792 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 3793 | if (pHandle != NULL)
|
|---|
| 3794 | {
|
|---|
| 3795 | KI64 offMyMove = offMove.QuadPart;
|
|---|
| 3796 | KU32 cbFile;
|
|---|
| 3797 | switch (pHandle->enmType)
|
|---|
| 3798 | {
|
|---|
| 3799 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 3800 | cbFile = pHandle->u.pCachedFile->cbCached;
|
|---|
| 3801 | break;
|
|---|
| 3802 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 3803 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 3804 | cbFile = pHandle->u.pTempFile->cbFile;
|
|---|
| 3805 | break;
|
|---|
| 3806 | case KWHANDLETYPE_TEMP_FILE_MAPPING:
|
|---|
| 3807 | #endif
|
|---|
| 3808 | default:
|
|---|
| 3809 | kHlpAssertFailed();
|
|---|
| 3810 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 3811 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3812 | }
|
|---|
| 3813 |
|
|---|
| 3814 | switch (dwMoveMethod)
|
|---|
| 3815 | {
|
|---|
| 3816 | case FILE_BEGIN:
|
|---|
| 3817 | break;
|
|---|
| 3818 | case FILE_CURRENT:
|
|---|
| 3819 | offMyMove += pHandle->offFile;
|
|---|
| 3820 | break;
|
|---|
| 3821 | case FILE_END:
|
|---|
| 3822 | offMyMove += cbFile;
|
|---|
| 3823 | break;
|
|---|
| 3824 | default:
|
|---|
| 3825 | KWFS_LOG(("SetFilePointer(%p) - invalid seek method %u! [cached]\n", hFile));
|
|---|
| 3826 | SetLastError(ERROR_INVALID_PARAMETER);
|
|---|
| 3827 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3828 | }
|
|---|
| 3829 | if (offMyMove >= 0)
|
|---|
| 3830 | {
|
|---|
| 3831 | if (offMyMove >= (KSSIZE)cbFile)
|
|---|
| 3832 | {
|
|---|
| 3833 | /* For read-only files, seeking beyond the end isn't useful to us, so clamp it. */
|
|---|
| 3834 | if (pHandle->enmType != KWHANDLETYPE_TEMP_FILE)
|
|---|
| 3835 | offMyMove = (KSSIZE)cbFile;
|
|---|
| 3836 | /* For writable files, seeking beyond the end is fine, but check that we've got
|
|---|
| 3837 | the type range for the request. */
|
|---|
| 3838 | else if (((KU64)offMyMove & KU32_MAX) != (KU64)offMyMove)
|
|---|
| 3839 | {
|
|---|
| 3840 | kHlpAssertMsgFailed(("%#llx\n", offMyMove));
|
|---|
| 3841 | SetLastError(ERROR_SEEK);
|
|---|
| 3842 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3843 | }
|
|---|
| 3844 | }
|
|---|
| 3845 | pHandle->offFile = (KU32)offMyMove;
|
|---|
| 3846 | }
|
|---|
| 3847 | else
|
|---|
| 3848 | {
|
|---|
| 3849 | KWFS_LOG(("SetFilePointerEx(%p) - negative seek! [cached]\n", hFile));
|
|---|
| 3850 | SetLastError(ERROR_NEGATIVE_SEEK);
|
|---|
| 3851 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3852 | }
|
|---|
| 3853 | if (poffNew)
|
|---|
| 3854 | poffNew->QuadPart = offMyMove;
|
|---|
| 3855 | KWFS_LOG(("SetFilePointerEx(%p) -> TRUE, %#llx [cached]\n", hFile, offMyMove));
|
|---|
| 3856 | return TRUE;
|
|---|
| 3857 | }
|
|---|
| 3858 | }
|
|---|
| 3859 | KWFS_LOG(("SetFilePointerEx(%p)\n", hFile));
|
|---|
| 3860 | return SetFilePointerEx(hFile, offMove, poffNew, dwMoveMethod);
|
|---|
| 3861 | }
|
|---|
| 3862 |
|
|---|
| 3863 |
|
|---|
| 3864 | /** Kernel32 - ReadFile */
|
|---|
| 3865 | static BOOL WINAPI kwSandbox_Kernel32_ReadFile(HANDLE hFile, LPVOID pvBuffer, DWORD cbToRead, LPDWORD pcbActuallyRead,
|
|---|
| 3866 | LPOVERLAPPED pOverlapped)
|
|---|
| 3867 | {
|
|---|
| 3868 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 3869 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 3870 | {
|
|---|
| 3871 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 3872 | if (pHandle != NULL)
|
|---|
| 3873 | {
|
|---|
| 3874 | switch (pHandle->enmType)
|
|---|
| 3875 | {
|
|---|
| 3876 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 3877 | {
|
|---|
| 3878 | PKFSWCACHEDFILE pCachedFile = pHandle->u.pCachedFile;
|
|---|
| 3879 | KU32 cbActually = pCachedFile->cbCached - pHandle->offFile;
|
|---|
| 3880 | if (cbActually > cbToRead)
|
|---|
| 3881 | cbActually = cbToRead;
|
|---|
| 3882 | else if (cbActually < cbToRead)
|
|---|
| 3883 | ((KU8 *)pvBuffer)[cbActually] = '\0'; // hack hack hack
|
|---|
| 3884 |
|
|---|
| 3885 | kHlpMemCopy(pvBuffer, &pCachedFile->pbCached[pHandle->offFile], cbActually);
|
|---|
| 3886 | pHandle->offFile += cbActually;
|
|---|
| 3887 |
|
|---|
| 3888 | kHlpAssert(!pOverlapped); kHlpAssert(pcbActuallyRead);
|
|---|
| 3889 | *pcbActuallyRead = cbActually;
|
|---|
| 3890 |
|
|---|
| 3891 | KWFS_LOG(("ReadFile(%p,,%#x) -> TRUE, %#x bytes [cached]\n", hFile, cbToRead, cbActually));
|
|---|
| 3892 | return TRUE;
|
|---|
| 3893 | }
|
|---|
| 3894 |
|
|---|
| 3895 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 3896 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 3897 | {
|
|---|
| 3898 | PKWFSTEMPFILE pTempFile = pHandle->u.pTempFile;
|
|---|
| 3899 | KU32 cbActually;
|
|---|
| 3900 | if (pHandle->offFile < pTempFile->cbFile)
|
|---|
| 3901 | {
|
|---|
| 3902 | cbActually = pTempFile->cbFile - pHandle->offFile;
|
|---|
| 3903 | if (cbActually > cbToRead)
|
|---|
| 3904 | cbActually = cbToRead;
|
|---|
| 3905 |
|
|---|
| 3906 | /* Copy the data. */
|
|---|
| 3907 | if (cbActually > 0)
|
|---|
| 3908 | {
|
|---|
| 3909 | KU32 cbLeft;
|
|---|
| 3910 | KU32 offSeg;
|
|---|
| 3911 | KWFSTEMPFILESEG const *paSegs = pTempFile->paSegs;
|
|---|
| 3912 |
|
|---|
| 3913 | /* Locate the segment containing the byte at offFile. */
|
|---|
| 3914 | KU32 iSeg = pTempFile->cSegs - 1;
|
|---|
| 3915 | kHlpAssert(pTempFile->cSegs > 0);
|
|---|
| 3916 | while (paSegs[iSeg].offData > pHandle->offFile)
|
|---|
| 3917 | iSeg--;
|
|---|
| 3918 |
|
|---|
| 3919 | /* Copy out the data. */
|
|---|
| 3920 | cbLeft = cbActually;
|
|---|
| 3921 | offSeg = (pHandle->offFile - paSegs[iSeg].offData);
|
|---|
| 3922 | for (;;)
|
|---|
| 3923 | {
|
|---|
| 3924 | KU32 cbAvail = paSegs[iSeg].cbDataAlloc - offSeg;
|
|---|
| 3925 | if (cbAvail >= cbLeft)
|
|---|
| 3926 | {
|
|---|
| 3927 | kHlpMemCopy(pvBuffer, &paSegs[iSeg].pbData[offSeg], cbLeft);
|
|---|
| 3928 | break;
|
|---|
| 3929 | }
|
|---|
| 3930 |
|
|---|
| 3931 | pvBuffer = kHlpMemPCopy(pvBuffer, &paSegs[iSeg].pbData[offSeg], cbAvail);
|
|---|
| 3932 | cbLeft -= cbAvail;
|
|---|
| 3933 | offSeg = 0;
|
|---|
| 3934 | iSeg++;
|
|---|
| 3935 | kHlpAssert(iSeg < pTempFile->cSegs);
|
|---|
| 3936 | }
|
|---|
| 3937 |
|
|---|
| 3938 | /* Update the file offset. */
|
|---|
| 3939 | pHandle->offFile += cbActually;
|
|---|
| 3940 | }
|
|---|
| 3941 | }
|
|---|
| 3942 | /* Read does not commit file space, so return zero bytes. */
|
|---|
| 3943 | else
|
|---|
| 3944 | cbActually = 0;
|
|---|
| 3945 |
|
|---|
| 3946 | kHlpAssert(!pOverlapped); kHlpAssert(pcbActuallyRead);
|
|---|
| 3947 | *pcbActuallyRead = cbActually;
|
|---|
| 3948 |
|
|---|
| 3949 | KWFS_LOG(("ReadFile(%p,,%#x) -> TRUE, %#x bytes [temp]\n", hFile, cbToRead, (KU32)cbActually));
|
|---|
| 3950 | return TRUE;
|
|---|
| 3951 | }
|
|---|
| 3952 |
|
|---|
| 3953 | case KWHANDLETYPE_TEMP_FILE_MAPPING:
|
|---|
| 3954 | #endif /* WITH_TEMP_MEMORY_FILES */
|
|---|
| 3955 | default:
|
|---|
| 3956 | kHlpAssertFailed();
|
|---|
| 3957 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 3958 | *pcbActuallyRead = 0;
|
|---|
| 3959 | return FALSE;
|
|---|
| 3960 | }
|
|---|
| 3961 | }
|
|---|
| 3962 | }
|
|---|
| 3963 |
|
|---|
| 3964 | KWFS_LOG(("ReadFile(%p)\n", hFile));
|
|---|
| 3965 | return ReadFile(hFile, pvBuffer, cbToRead, pcbActuallyRead, pOverlapped);
|
|---|
| 3966 | }
|
|---|
| 3967 |
|
|---|
| 3968 |
|
|---|
| 3969 | /** Kernel32 - ReadFileEx */
|
|---|
| 3970 | static BOOL WINAPI kwSandbox_Kernel32_ReadFileEx(HANDLE hFile, LPVOID pvBuffer, DWORD cbToRead, LPOVERLAPPED pOverlapped,
|
|---|
| 3971 | LPOVERLAPPED_COMPLETION_ROUTINE pfnCompletionRoutine)
|
|---|
| 3972 | {
|
|---|
| 3973 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 3974 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 3975 | {
|
|---|
| 3976 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 3977 | if (pHandle != NULL)
|
|---|
| 3978 | {
|
|---|
| 3979 | kHlpAssertFailed();
|
|---|
| 3980 | }
|
|---|
| 3981 | }
|
|---|
| 3982 |
|
|---|
| 3983 | KWFS_LOG(("ReadFile(%p)\n", hFile));
|
|---|
| 3984 | return ReadFileEx(hFile, pvBuffer, cbToRead, pOverlapped, pfnCompletionRoutine);
|
|---|
| 3985 | }
|
|---|
| 3986 |
|
|---|
| 3987 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 3988 |
|
|---|
| 3989 | static KBOOL kwFsTempFileEnsureSpace(PKWFSTEMPFILE pTempFile, KU32 offFile, KU32 cbNeeded)
|
|---|
| 3990 | {
|
|---|
| 3991 | KU32 cbMinFile = offFile + cbNeeded;
|
|---|
| 3992 | if (cbMinFile >= offFile)
|
|---|
| 3993 | {
|
|---|
| 3994 | /* Calc how much space we've already allocated and */
|
|---|
| 3995 | if (cbMinFile <= pTempFile->cbFileAllocated)
|
|---|
| 3996 | return K_TRUE;
|
|---|
| 3997 |
|
|---|
| 3998 | /* Grow the file. */
|
|---|
| 3999 | if (cbMinFile <= KWFS_TEMP_FILE_MAX)
|
|---|
| 4000 | {
|
|---|
| 4001 | int rc;
|
|---|
| 4002 | KU32 cSegs = pTempFile->cSegs;
|
|---|
| 4003 | KU32 cbNewSeg = cbMinFile > 4*1024*1024 ? 256*1024 : 4*1024*1024;
|
|---|
| 4004 | do
|
|---|
| 4005 | {
|
|---|
| 4006 | /* grow the segment array? */
|
|---|
| 4007 | if ((cSegs % 16) == 0)
|
|---|
| 4008 | {
|
|---|
| 4009 | void *pvNew = kHlpRealloc(pTempFile->paSegs, (cSegs + 16) * sizeof(pTempFile->paSegs[0]));
|
|---|
| 4010 | if (!pvNew)
|
|---|
| 4011 | return K_FALSE;
|
|---|
| 4012 | pTempFile->paSegs = (PKWFSTEMPFILESEG)pvNew;
|
|---|
| 4013 | }
|
|---|
| 4014 |
|
|---|
| 4015 | /* Use page alloc here to simplify mapping later. */
|
|---|
| 4016 | rc = kHlpPageAlloc((void **)&pTempFile->paSegs[cSegs].pbData, cbNewSeg, KPROT_READWRITE, K_FALSE);
|
|---|
| 4017 | if (rc == 0)
|
|---|
| 4018 | { /* likely */ }
|
|---|
| 4019 | else
|
|---|
| 4020 | {
|
|---|
| 4021 | cbNewSeg = 64*1024;
|
|---|
| 4022 | rc = kHlpPageAlloc((void **)&pTempFile->paSegs[cSegs].pbData, cbNewSeg, KPROT_READWRITE, K_FALSE);
|
|---|
| 4023 | if (rc != 0)
|
|---|
| 4024 | {
|
|---|
| 4025 | kHlpAssertFailed();
|
|---|
| 4026 | return K_FALSE;
|
|---|
| 4027 | }
|
|---|
| 4028 | }
|
|---|
| 4029 | pTempFile->paSegs[cSegs].offData = pTempFile->cbFileAllocated;
|
|---|
| 4030 | pTempFile->paSegs[cSegs].cbDataAlloc = cbNewSeg;
|
|---|
| 4031 | pTempFile->cbFileAllocated += cbNewSeg;
|
|---|
| 4032 | pTempFile->cSegs = ++cSegs;
|
|---|
| 4033 |
|
|---|
| 4034 | } while (pTempFile->cbFileAllocated < cbMinFile);
|
|---|
| 4035 |
|
|---|
| 4036 | return K_TRUE;
|
|---|
| 4037 | }
|
|---|
| 4038 | }
|
|---|
| 4039 |
|
|---|
| 4040 | kHlpAssertMsgFailed(("Out of bounds offFile=%#x + cbNeeded=%#x = %#x\n", offFile, cbNeeded, offFile + cbNeeded));
|
|---|
| 4041 | return K_FALSE;
|
|---|
| 4042 | }
|
|---|
| 4043 |
|
|---|
| 4044 |
|
|---|
| 4045 | /** Kernel32 - WriteFile */
|
|---|
| 4046 | static BOOL WINAPI kwSandbox_Kernel32_WriteFile(HANDLE hFile, LPCVOID pvBuffer, DWORD cbToWrite, LPDWORD pcbActuallyWritten,
|
|---|
| 4047 | LPOVERLAPPED pOverlapped)
|
|---|
| 4048 | {
|
|---|
| 4049 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4050 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4051 | {
|
|---|
| 4052 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4053 | if (pHandle != NULL)
|
|---|
| 4054 | {
|
|---|
| 4055 | switch (pHandle->enmType)
|
|---|
| 4056 | {
|
|---|
| 4057 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4058 | {
|
|---|
| 4059 | PKWFSTEMPFILE pTempFile = pHandle->u.pTempFile;
|
|---|
| 4060 |
|
|---|
| 4061 | kHlpAssert(!pOverlapped);
|
|---|
| 4062 | kHlpAssert(pcbActuallyWritten);
|
|---|
| 4063 |
|
|---|
| 4064 | if (kwFsTempFileEnsureSpace(pTempFile, pHandle->offFile, cbToWrite))
|
|---|
| 4065 | {
|
|---|
| 4066 | KU32 cbLeft;
|
|---|
| 4067 | KU32 offSeg;
|
|---|
| 4068 |
|
|---|
| 4069 | /* Locate the segment containing the byte at offFile. */
|
|---|
| 4070 | KWFSTEMPFILESEG const *paSegs = pTempFile->paSegs;
|
|---|
| 4071 | KU32 iSeg = pTempFile->cSegs - 1;
|
|---|
| 4072 | kHlpAssert(pTempFile->cSegs > 0);
|
|---|
| 4073 | while (paSegs[iSeg].offData > pHandle->offFile)
|
|---|
| 4074 | iSeg--;
|
|---|
| 4075 |
|
|---|
| 4076 | /* Copy in the data. */
|
|---|
| 4077 | cbLeft = cbToWrite;
|
|---|
| 4078 | offSeg = (pHandle->offFile - paSegs[iSeg].offData);
|
|---|
| 4079 | for (;;)
|
|---|
| 4080 | {
|
|---|
| 4081 | KU32 cbAvail = paSegs[iSeg].cbDataAlloc - offSeg;
|
|---|
| 4082 | if (cbAvail >= cbLeft)
|
|---|
| 4083 | {
|
|---|
| 4084 | kHlpMemCopy(&paSegs[iSeg].pbData[offSeg], pvBuffer, cbLeft);
|
|---|
| 4085 | break;
|
|---|
| 4086 | }
|
|---|
| 4087 |
|
|---|
| 4088 | kHlpMemCopy(&paSegs[iSeg].pbData[offSeg], pvBuffer, cbAvail);
|
|---|
| 4089 | pvBuffer = (KU8 const *)pvBuffer + cbAvail;
|
|---|
| 4090 | cbLeft -= cbAvail;
|
|---|
| 4091 | offSeg = 0;
|
|---|
| 4092 | iSeg++;
|
|---|
| 4093 | kHlpAssert(iSeg < pTempFile->cSegs);
|
|---|
| 4094 | }
|
|---|
| 4095 |
|
|---|
| 4096 | /* Update the file offset. */
|
|---|
| 4097 | pHandle->offFile += cbToWrite;
|
|---|
| 4098 | if (pHandle->offFile > pTempFile->cbFile)
|
|---|
| 4099 | pTempFile->cbFile = pHandle->offFile;
|
|---|
| 4100 |
|
|---|
| 4101 | *pcbActuallyWritten = cbToWrite;
|
|---|
| 4102 | KWFS_LOG(("WriteFile(%p,,%#x) -> TRUE [temp]\n", hFile, cbToWrite));
|
|---|
| 4103 | return TRUE;
|
|---|
| 4104 | }
|
|---|
| 4105 |
|
|---|
| 4106 | kHlpAssertFailed();
|
|---|
| 4107 | *pcbActuallyWritten = 0;
|
|---|
| 4108 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 4109 | return FALSE;
|
|---|
| 4110 | }
|
|---|
| 4111 |
|
|---|
| 4112 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 4113 | kHlpAssertFailed();
|
|---|
| 4114 | SetLastError(ERROR_ACCESS_DENIED);
|
|---|
| 4115 | *pcbActuallyWritten = 0;
|
|---|
| 4116 | return FALSE;
|
|---|
| 4117 |
|
|---|
| 4118 | default:
|
|---|
| 4119 | case KWHANDLETYPE_TEMP_FILE_MAPPING:
|
|---|
| 4120 | kHlpAssertFailed();
|
|---|
| 4121 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 4122 | *pcbActuallyWritten = 0;
|
|---|
| 4123 | return FALSE;
|
|---|
| 4124 | }
|
|---|
| 4125 | }
|
|---|
| 4126 | }
|
|---|
| 4127 |
|
|---|
| 4128 | KWFS_LOG(("WriteFile(%p)\n", hFile));
|
|---|
| 4129 | return WriteFile(hFile, pvBuffer, cbToWrite, pcbActuallyWritten, pOverlapped);
|
|---|
| 4130 | }
|
|---|
| 4131 |
|
|---|
| 4132 |
|
|---|
| 4133 | /** Kernel32 - WriteFileEx */
|
|---|
| 4134 | static BOOL WINAPI kwSandbox_Kernel32_WriteFileEx(HANDLE hFile, LPCVOID pvBuffer, DWORD cbToWrite, LPOVERLAPPED pOverlapped,
|
|---|
| 4135 | LPOVERLAPPED_COMPLETION_ROUTINE pfnCompletionRoutine)
|
|---|
| 4136 | {
|
|---|
| 4137 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4138 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4139 | {
|
|---|
| 4140 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4141 | if (pHandle != NULL)
|
|---|
| 4142 | {
|
|---|
| 4143 | kHlpAssertFailed();
|
|---|
| 4144 | }
|
|---|
| 4145 | }
|
|---|
| 4146 |
|
|---|
| 4147 | KWFS_LOG(("WriteFileEx(%p)\n", hFile));
|
|---|
| 4148 | return WriteFileEx(hFile, pvBuffer, cbToWrite, pOverlapped, pfnCompletionRoutine);
|
|---|
| 4149 | }
|
|---|
| 4150 |
|
|---|
| 4151 |
|
|---|
| 4152 | /** Kernel32 - SetEndOfFile; */
|
|---|
| 4153 | static BOOL WINAPI kwSandbox_Kernel32_SetEndOfFile(HANDLE hFile)
|
|---|
| 4154 | {
|
|---|
| 4155 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4156 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4157 | {
|
|---|
| 4158 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4159 | if (pHandle != NULL)
|
|---|
| 4160 | {
|
|---|
| 4161 | switch (pHandle->enmType)
|
|---|
| 4162 | {
|
|---|
| 4163 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4164 | {
|
|---|
| 4165 | PKWFSTEMPFILE pTempFile = pHandle->u.pTempFile;
|
|---|
| 4166 | if ( pHandle->offFile > pTempFile->cbFile
|
|---|
| 4167 | && !kwFsTempFileEnsureSpace(pTempFile, pHandle->offFile, 0))
|
|---|
| 4168 | {
|
|---|
| 4169 | kHlpAssertFailed();
|
|---|
| 4170 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 4171 | return FALSE;
|
|---|
| 4172 | }
|
|---|
| 4173 |
|
|---|
| 4174 | pTempFile->cbFile = pHandle->offFile;
|
|---|
| 4175 | KWFS_LOG(("SetEndOfFile(%p) -> TRUE (cbFile=%#x)\n", hFile, pTempFile->cbFile));
|
|---|
| 4176 | return TRUE;
|
|---|
| 4177 | }
|
|---|
| 4178 |
|
|---|
| 4179 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 4180 | kHlpAssertFailed();
|
|---|
| 4181 | SetLastError(ERROR_ACCESS_DENIED);
|
|---|
| 4182 | return FALSE;
|
|---|
| 4183 |
|
|---|
| 4184 | default:
|
|---|
| 4185 | case KWHANDLETYPE_TEMP_FILE_MAPPING:
|
|---|
| 4186 | kHlpAssertFailed();
|
|---|
| 4187 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 4188 | return FALSE;
|
|---|
| 4189 | }
|
|---|
| 4190 | }
|
|---|
| 4191 | }
|
|---|
| 4192 |
|
|---|
| 4193 | KWFS_LOG(("SetEndOfFile(%p)\n", hFile));
|
|---|
| 4194 | return SetEndOfFile(hFile);
|
|---|
| 4195 | }
|
|---|
| 4196 |
|
|---|
| 4197 |
|
|---|
| 4198 | /** Kernel32 - GetFileType */
|
|---|
| 4199 | static BOOL WINAPI kwSandbox_Kernel32_GetFileType(HANDLE hFile)
|
|---|
| 4200 | {
|
|---|
| 4201 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4202 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4203 | {
|
|---|
| 4204 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4205 | if (pHandle != NULL)
|
|---|
| 4206 | {
|
|---|
| 4207 | switch (pHandle->enmType)
|
|---|
| 4208 | {
|
|---|
| 4209 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 4210 | KWFS_LOG(("GetFileType(%p) -> FILE_TYPE_DISK [cached]\n", hFile));
|
|---|
| 4211 | return FILE_TYPE_DISK;
|
|---|
| 4212 |
|
|---|
| 4213 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4214 | KWFS_LOG(("GetFileType(%p) -> FILE_TYPE_DISK [temp]\n", hFile));
|
|---|
| 4215 | return FILE_TYPE_DISK;
|
|---|
| 4216 | }
|
|---|
| 4217 | }
|
|---|
| 4218 | }
|
|---|
| 4219 |
|
|---|
| 4220 | KWFS_LOG(("GetFileType(%p)\n", hFile));
|
|---|
| 4221 | return GetFileType(hFile);
|
|---|
| 4222 | }
|
|---|
| 4223 |
|
|---|
| 4224 |
|
|---|
| 4225 | /** Kernel32 - GetFileSize */
|
|---|
| 4226 | static DWORD WINAPI kwSandbox_Kernel32_GetFileSize(HANDLE hFile, LPDWORD pcbHighDword)
|
|---|
| 4227 | {
|
|---|
| 4228 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4229 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4230 | {
|
|---|
| 4231 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4232 | if (pHandle != NULL)
|
|---|
| 4233 | {
|
|---|
| 4234 | if (pcbHighDword)
|
|---|
| 4235 | *pcbHighDword = 0;
|
|---|
| 4236 | SetLastError(NO_ERROR);
|
|---|
| 4237 | switch (pHandle->enmType)
|
|---|
| 4238 | {
|
|---|
| 4239 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 4240 | KWFS_LOG(("GetFileSize(%p) -> %#x [cached]\n", hFile, pHandle->u.pCachedFile->cbCached));
|
|---|
| 4241 | return pHandle->u.pCachedFile->cbCached;
|
|---|
| 4242 |
|
|---|
| 4243 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4244 | KWFS_LOG(("GetFileSize(%p) -> %#x [temp]\n", hFile, pHandle->u.pTempFile->cbFile));
|
|---|
| 4245 | return pHandle->u.pTempFile->cbFile;
|
|---|
| 4246 |
|
|---|
| 4247 | default:
|
|---|
| 4248 | kHlpAssertFailed();
|
|---|
| 4249 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 4250 | return INVALID_FILE_SIZE;
|
|---|
| 4251 | }
|
|---|
| 4252 | }
|
|---|
| 4253 | }
|
|---|
| 4254 |
|
|---|
| 4255 | KWFS_LOG(("GetFileSize(%p,)\n", hFile));
|
|---|
| 4256 | return GetFileSize(hFile, pcbHighDword);
|
|---|
| 4257 | }
|
|---|
| 4258 |
|
|---|
| 4259 |
|
|---|
| 4260 | /** Kernel32 - GetFileSizeEx */
|
|---|
| 4261 | static BOOL WINAPI kwSandbox_Kernel32_GetFileSizeEx(HANDLE hFile, PLARGE_INTEGER pcbFile)
|
|---|
| 4262 | {
|
|---|
| 4263 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4264 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4265 | {
|
|---|
| 4266 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4267 | if (pHandle != NULL)
|
|---|
| 4268 | {
|
|---|
| 4269 | switch (pHandle->enmType)
|
|---|
| 4270 | {
|
|---|
| 4271 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 4272 | KWFS_LOG(("GetFileSizeEx(%p) -> TRUE, %#x [cached]\n", hFile, pHandle->u.pCachedFile->cbCached));
|
|---|
| 4273 | pcbFile->QuadPart = pHandle->u.pCachedFile->cbCached;
|
|---|
| 4274 | return TRUE;
|
|---|
| 4275 |
|
|---|
| 4276 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4277 | KWFS_LOG(("GetFileSizeEx(%p) -> TRUE, %#x [temp]\n", hFile, pHandle->u.pTempFile->cbFile));
|
|---|
| 4278 | pcbFile->QuadPart = pHandle->u.pTempFile->cbFile;
|
|---|
| 4279 | return TRUE;
|
|---|
| 4280 |
|
|---|
| 4281 | default:
|
|---|
| 4282 | kHlpAssertFailed();
|
|---|
| 4283 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 4284 | return INVALID_FILE_SIZE;
|
|---|
| 4285 | }
|
|---|
| 4286 | }
|
|---|
| 4287 | }
|
|---|
| 4288 |
|
|---|
| 4289 | KWFS_LOG(("GetFileSizeEx(%p,)\n", hFile));
|
|---|
| 4290 | return GetFileSizeEx(hFile, pcbFile);
|
|---|
| 4291 | }
|
|---|
| 4292 |
|
|---|
| 4293 |
|
|---|
| 4294 | /** Kernel32 - CreateFileMapping */
|
|---|
| 4295 | static HANDLE WINAPI kwSandbox_Kernel32_CreateFileMappingW(HANDLE hFile, LPSECURITY_ATTRIBUTES pSecAttrs,
|
|---|
| 4296 | DWORD fProtect, DWORD dwMaximumSizeHigh,
|
|---|
| 4297 | DWORD dwMaximumSizeLow, LPCWSTR pwszName)
|
|---|
| 4298 | {
|
|---|
| 4299 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4300 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4301 | {
|
|---|
| 4302 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4303 | if (pHandle != NULL)
|
|---|
| 4304 | {
|
|---|
| 4305 | switch (pHandle->enmType)
|
|---|
| 4306 | {
|
|---|
| 4307 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4308 | {
|
|---|
| 4309 | PKWFSTEMPFILE pTempFile = pHandle->u.pTempFile;
|
|---|
| 4310 | if ( ( fProtect == PAGE_READONLY
|
|---|
| 4311 | || fProtect == PAGE_EXECUTE_READ)
|
|---|
| 4312 | && dwMaximumSizeHigh == 0
|
|---|
| 4313 | && ( dwMaximumSizeLow == 0
|
|---|
| 4314 | || dwMaximumSizeLow == pTempFile->cbFile)
|
|---|
| 4315 | && pwszName == NULL)
|
|---|
| 4316 | {
|
|---|
| 4317 | HANDLE hMapping = kwFsTempFileCreateHandle(pHandle->u.pTempFile, GENERIC_READ, K_TRUE /*fMapping*/);
|
|---|
| 4318 | KWFS_LOG(("CreateFileMappingW(%p, %u) -> %p [temp]\n", hFile, fProtect, hMapping));
|
|---|
| 4319 | return hMapping;
|
|---|
| 4320 | }
|
|---|
| 4321 | kHlpAssertMsgFailed(("fProtect=%#x cb=%#x'%08x name=%p\n",
|
|---|
| 4322 | fProtect, dwMaximumSizeHigh, dwMaximumSizeLow, pwszName));
|
|---|
| 4323 | SetLastError(ERROR_ACCESS_DENIED);
|
|---|
| 4324 | return INVALID_HANDLE_VALUE;
|
|---|
| 4325 | }
|
|---|
| 4326 | }
|
|---|
| 4327 | }
|
|---|
| 4328 | }
|
|---|
| 4329 |
|
|---|
| 4330 | KWFS_LOG(("CreateFileMappingW(%p)\n", hFile));
|
|---|
| 4331 | return CreateFileMappingW(hFile, pSecAttrs, fProtect, dwMaximumSizeHigh, dwMaximumSizeLow, pwszName);
|
|---|
| 4332 | }
|
|---|
| 4333 |
|
|---|
| 4334 | /** Kernel32 - MapViewOfFile */
|
|---|
| 4335 | static HANDLE WINAPI kwSandbox_Kernel32_MapViewOfFile(HANDLE hSection, DWORD dwDesiredAccess,
|
|---|
| 4336 | DWORD offFileHigh, DWORD offFileLow, SIZE_T cbToMap)
|
|---|
| 4337 | {
|
|---|
| 4338 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hSection);
|
|---|
| 4339 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4340 | {
|
|---|
| 4341 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4342 | if (pHandle != NULL)
|
|---|
| 4343 | {
|
|---|
| 4344 | switch (pHandle->enmType)
|
|---|
| 4345 | {
|
|---|
| 4346 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 4347 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4348 | kHlpAssertFailed();
|
|---|
| 4349 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 4350 | return NULL;
|
|---|
| 4351 |
|
|---|
| 4352 | case KWHANDLETYPE_TEMP_FILE_MAPPING:
|
|---|
| 4353 | {
|
|---|
| 4354 | PKWFSTEMPFILE pTempFile = pHandle->u.pTempFile;
|
|---|
| 4355 | if ( dwDesiredAccess == FILE_MAP_READ
|
|---|
| 4356 | && offFileHigh == 0
|
|---|
| 4357 | && offFileLow == 0
|
|---|
| 4358 | && (cbToMap == 0 || cbToMap == pTempFile->cbFile) )
|
|---|
| 4359 | {
|
|---|
| 4360 | kHlpAssert(pTempFile->cMappings == 0 || pTempFile->cSegs == 1);
|
|---|
| 4361 | if (pTempFile->cSegs != 1)
|
|---|
| 4362 | {
|
|---|
| 4363 | KU32 iSeg;
|
|---|
| 4364 | KU32 cbLeft;
|
|---|
| 4365 | KU32 cbAll = pTempFile->cbFile ? (KU32)K_ALIGN_Z(pTempFile->cbFile, 0x2000) : 0x1000;
|
|---|
| 4366 | KU8 *pbAll = NULL;
|
|---|
| 4367 | int rc = kHlpPageAlloc((void **)&pbAll, cbAll, KPROT_READWRITE, K_FALSE);
|
|---|
| 4368 | if (rc != 0)
|
|---|
| 4369 | {
|
|---|
| 4370 | kHlpAssertFailed();
|
|---|
| 4371 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 4372 | return NULL;
|
|---|
| 4373 | }
|
|---|
| 4374 |
|
|---|
| 4375 | cbLeft = pTempFile->cbFile;
|
|---|
| 4376 | for (iSeg = 0; iSeg < pTempFile->cSegs && cbLeft > 0; iSeg++)
|
|---|
| 4377 | {
|
|---|
| 4378 | KU32 cbToCopy = K_MIN(cbLeft, pTempFile->paSegs[iSeg].cbDataAlloc);
|
|---|
| 4379 | kHlpMemCopy(&pbAll[pTempFile->paSegs[iSeg].offData], pTempFile->paSegs[iSeg].pbData, cbToCopy);
|
|---|
| 4380 | cbLeft -= cbToCopy;
|
|---|
| 4381 | }
|
|---|
| 4382 |
|
|---|
| 4383 | for (iSeg = 0; iSeg < pTempFile->cSegs; iSeg++)
|
|---|
| 4384 | {
|
|---|
| 4385 | kHlpPageFree(pTempFile->paSegs[iSeg].pbData, pTempFile->paSegs[iSeg].cbDataAlloc);
|
|---|
| 4386 | pTempFile->paSegs[iSeg].pbData = NULL;
|
|---|
| 4387 | pTempFile->paSegs[iSeg].cbDataAlloc = 0;
|
|---|
| 4388 | }
|
|---|
| 4389 |
|
|---|
| 4390 | pTempFile->cSegs = 1;
|
|---|
| 4391 | pTempFile->cbFileAllocated = cbAll;
|
|---|
| 4392 | pTempFile->paSegs[0].cbDataAlloc = cbAll;
|
|---|
| 4393 | pTempFile->paSegs[0].pbData = pbAll;
|
|---|
| 4394 | pTempFile->paSegs[0].offData = 0;
|
|---|
| 4395 | }
|
|---|
| 4396 |
|
|---|
| 4397 | pTempFile->cMappings++;
|
|---|
| 4398 | kHlpAssert(pTempFile->cMappings == 1);
|
|---|
| 4399 |
|
|---|
| 4400 | KWFS_LOG(("CreateFileMappingW(%p) -> %p [temp]\n", hSection, pTempFile->paSegs[0].pbData));
|
|---|
| 4401 | return pTempFile->paSegs[0].pbData;
|
|---|
| 4402 | }
|
|---|
| 4403 |
|
|---|
| 4404 | kHlpAssertMsgFailed(("dwDesiredAccess=%#x offFile=%#x'%08x cbToMap=%#x (cbFile=%#x)\n",
|
|---|
| 4405 | dwDesiredAccess, offFileHigh, offFileLow, cbToMap, pTempFile->cbFile));
|
|---|
| 4406 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 4407 | return NULL;
|
|---|
| 4408 | }
|
|---|
| 4409 | }
|
|---|
| 4410 | }
|
|---|
| 4411 | }
|
|---|
| 4412 |
|
|---|
| 4413 | KWFS_LOG(("MapViewOfFile(%p)\n", hSection));
|
|---|
| 4414 | return MapViewOfFile(hSection, dwDesiredAccess, offFileHigh, offFileLow, cbToMap);
|
|---|
| 4415 | }
|
|---|
| 4416 | /** @todo MapViewOfFileEx */
|
|---|
| 4417 |
|
|---|
| 4418 |
|
|---|
| 4419 | /** Kernel32 - UnmapViewOfFile */
|
|---|
| 4420 | static BOOL WINAPI kwSandbox_Kernel32_UnmapViewOfFile(LPCVOID pvBase)
|
|---|
| 4421 | {
|
|---|
| 4422 | /* Is this one of our temporary mappings? */
|
|---|
| 4423 | PKWFSTEMPFILE pCur = g_Sandbox.pTempFileHead;
|
|---|
| 4424 | while (pCur)
|
|---|
| 4425 | {
|
|---|
| 4426 | if ( pCur->cMappings > 0
|
|---|
| 4427 | && pCur->paSegs[0].pbData == (KU8 *)pvBase)
|
|---|
| 4428 | {
|
|---|
| 4429 | pCur->cMappings--;
|
|---|
| 4430 | KWFS_LOG(("UnmapViewOfFile(%p) -> TRUE [temp]\n", pvBase));
|
|---|
| 4431 | return TRUE;
|
|---|
| 4432 | }
|
|---|
| 4433 | pCur = pCur->pNext;
|
|---|
| 4434 | }
|
|---|
| 4435 |
|
|---|
| 4436 | KWFS_LOG(("UnmapViewOfFile(%p)\n", pvBase));
|
|---|
| 4437 | return UnmapViewOfFile(pvBase);
|
|---|
| 4438 | }
|
|---|
| 4439 |
|
|---|
| 4440 | /** @todo UnmapViewOfFileEx */
|
|---|
| 4441 |
|
|---|
| 4442 |
|
|---|
| 4443 | #endif /* WITH_TEMP_MEMORY_FILES */
|
|---|
| 4444 |
|
|---|
| 4445 | /** Kernel32 - CloseHandle */
|
|---|
| 4446 | static BOOL WINAPI kwSandbox_Kernel32_CloseHandle(HANDLE hObject)
|
|---|
| 4447 | {
|
|---|
| 4448 | BOOL fRet;
|
|---|
| 4449 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hObject);
|
|---|
| 4450 | if ( idxHandle < g_Sandbox.cHandles
|
|---|
| 4451 | && g_Sandbox.papHandles[idxHandle] != NULL)
|
|---|
| 4452 | {
|
|---|
| 4453 | fRet = CloseHandle(hObject);
|
|---|
| 4454 | if (fRet)
|
|---|
| 4455 | {
|
|---|
| 4456 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4457 | g_Sandbox.papHandles[idxHandle] = NULL;
|
|---|
| 4458 | g_Sandbox.cActiveHandles--;
|
|---|
| 4459 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 4460 | if (pHandle->enmType == KWHANDLETYPE_TEMP_FILE)
|
|---|
| 4461 | {
|
|---|
| 4462 | kHlpAssert(pHandle->u.pTempFile->cActiveHandles > 0);
|
|---|
| 4463 | pHandle->u.pTempFile->cActiveHandles--;
|
|---|
| 4464 | }
|
|---|
| 4465 | #endif
|
|---|
| 4466 | kHlpFree(pHandle);
|
|---|
| 4467 | KWFS_LOG(("CloseHandle(%p) -> TRUE [intercepted handle]\n", hObject));
|
|---|
| 4468 | }
|
|---|
| 4469 | else
|
|---|
| 4470 | KWFS_LOG(("CloseHandle(%p) -> FALSE [intercepted handle] err=%u!\n", hObject, GetLastError()));
|
|---|
| 4471 | }
|
|---|
| 4472 | else
|
|---|
| 4473 | {
|
|---|
| 4474 | KWFS_LOG(("CloseHandle(%p)\n", hObject));
|
|---|
| 4475 | fRet = CloseHandle(hObject);
|
|---|
| 4476 | }
|
|---|
| 4477 | return fRet;
|
|---|
| 4478 | }
|
|---|
| 4479 |
|
|---|
| 4480 |
|
|---|
| 4481 | /** Kernel32 - GetFileAttributesA. */
|
|---|
| 4482 | static DWORD WINAPI kwSandbox_Kernel32_GetFileAttributesA(LPCSTR pszFilename)
|
|---|
| 4483 | {
|
|---|
| 4484 | DWORD fRet;
|
|---|
| 4485 | const char *pszExt = kHlpGetExt(pszFilename);
|
|---|
| 4486 | if (kwFsIsCachableExtensionA(pszExt, K_TRUE /*fAttrQuery*/))
|
|---|
| 4487 | {
|
|---|
| 4488 | KFSLOOKUPERROR enmError;
|
|---|
| 4489 | PKFSOBJ pFsObj = kFsCacheLookupNoMissingA(g_pFsCache, pszFilename, &enmError);
|
|---|
| 4490 | if (pFsObj)
|
|---|
| 4491 | {
|
|---|
| 4492 | kHlpAssert(pFsObj->fHaveStats);
|
|---|
| 4493 | fRet = pFsObj->Stats.st_attribs;
|
|---|
| 4494 | kFsCacheObjRelease(g_pFsCache, pFsObj);
|
|---|
| 4495 | }
|
|---|
| 4496 | else
|
|---|
| 4497 | {
|
|---|
| 4498 | SetLastError(kwFsLookupErrorToWindowsError(enmError));
|
|---|
| 4499 | fRet = INVALID_FILE_ATTRIBUTES;
|
|---|
| 4500 | }
|
|---|
| 4501 |
|
|---|
| 4502 | KWFS_LOG(("GetFileAttributesA(%s) -> %#x [cached]\n", pszFilename, fRet));
|
|---|
| 4503 | return fRet;
|
|---|
| 4504 | }
|
|---|
| 4505 |
|
|---|
| 4506 | fRet = GetFileAttributesA(pszFilename);
|
|---|
| 4507 | KWFS_LOG(("GetFileAttributesA(%s) -> %#x\n", pszFilename, fRet));
|
|---|
| 4508 | return fRet;
|
|---|
| 4509 | }
|
|---|
| 4510 |
|
|---|
| 4511 |
|
|---|
| 4512 | /** Kernel32 - GetFileAttributesW. */
|
|---|
| 4513 | static DWORD WINAPI kwSandbox_Kernel32_GetFileAttributesW(LPCWSTR pwszFilename)
|
|---|
| 4514 | {
|
|---|
| 4515 | DWORD fRet;
|
|---|
| 4516 | if (kwFsIsCachablePathExtensionW(pwszFilename, K_TRUE /*fAttrQuery*/))
|
|---|
| 4517 | {
|
|---|
| 4518 | KFSLOOKUPERROR enmError;
|
|---|
| 4519 | PKFSOBJ pFsObj = kFsCacheLookupNoMissingW(g_pFsCache, pwszFilename, &enmError);
|
|---|
| 4520 | if (pFsObj)
|
|---|
| 4521 | {
|
|---|
| 4522 | kHlpAssert(pFsObj->fHaveStats);
|
|---|
| 4523 | fRet = pFsObj->Stats.st_attribs;
|
|---|
| 4524 | kFsCacheObjRelease(g_pFsCache, pFsObj);
|
|---|
| 4525 | }
|
|---|
| 4526 | else
|
|---|
| 4527 | {
|
|---|
| 4528 | SetLastError(kwFsLookupErrorToWindowsError(enmError));
|
|---|
| 4529 | fRet = INVALID_FILE_ATTRIBUTES;
|
|---|
| 4530 | }
|
|---|
| 4531 |
|
|---|
| 4532 | KWFS_LOG(("GetFileAttributesW(%ls) -> %#x [cached]\n", pwszFilename, fRet));
|
|---|
| 4533 | return fRet;
|
|---|
| 4534 | }
|
|---|
| 4535 |
|
|---|
| 4536 | fRet = GetFileAttributesW(pwszFilename);
|
|---|
| 4537 | KWFS_LOG(("GetFileAttributesW(%ls) -> %#x\n", pwszFilename, fRet));
|
|---|
| 4538 | return fRet;
|
|---|
| 4539 | }
|
|---|
| 4540 |
|
|---|
| 4541 |
|
|---|
| 4542 | /** Kernel32 - GetShortPathNameW - c1[xx].dll of VS2010 does this to the
|
|---|
| 4543 | * directory containing each include file. We cache the result to speed
|
|---|
| 4544 | * things up a little. */
|
|---|
| 4545 | static DWORD WINAPI kwSandbox_Kernel32_GetShortPathNameW(LPCWSTR pwszLongPath, LPWSTR pwszShortPath, DWORD cwcShortPath)
|
|---|
| 4546 | {
|
|---|
| 4547 | DWORD cwcRet;
|
|---|
| 4548 | if (kwFsIsCachablePathExtensionW(pwszLongPath, K_TRUE /*fAttrQuery*/))
|
|---|
| 4549 | {
|
|---|
| 4550 | KFSLOOKUPERROR enmError;
|
|---|
| 4551 | PKFSOBJ pObj = kFsCacheLookupW(g_pFsCache, pwszLongPath, &enmError);
|
|---|
| 4552 | if (pObj)
|
|---|
| 4553 | {
|
|---|
| 4554 | if (pObj->bObjType != KFSOBJ_TYPE_MISSING)
|
|---|
| 4555 | {
|
|---|
| 4556 | if (kFsCacheObjGetFullShortPathW(pObj, pwszShortPath, cwcShortPath, '\\'))
|
|---|
| 4557 | {
|
|---|
| 4558 | cwcRet = (DWORD)kwUtf16Len(pwszShortPath);
|
|---|
| 4559 |
|
|---|
| 4560 | /* Should preserve trailing slash on directory paths. */
|
|---|
| 4561 | if (pObj->bObjType == KFSOBJ_TYPE_DIR)
|
|---|
| 4562 | {
|
|---|
| 4563 | if ( cwcRet + 1 < cwcShortPath
|
|---|
| 4564 | && pwszShortPath[cwcRet - 1] != '\\')
|
|---|
| 4565 | {
|
|---|
| 4566 | KSIZE cwcIn = kwUtf16Len(pwszLongPath);
|
|---|
| 4567 | if ( cwcIn > 0
|
|---|
| 4568 | && (pwszLongPath[cwcIn - 1] == '\\' || pwszLongPath[cwcIn - 1] == '/') )
|
|---|
| 4569 | {
|
|---|
| 4570 | pwszShortPath[cwcRet++] = '\\';
|
|---|
| 4571 | pwszShortPath[cwcRet] = '\0';
|
|---|
| 4572 | }
|
|---|
| 4573 | }
|
|---|
| 4574 | }
|
|---|
| 4575 |
|
|---|
| 4576 | KWFS_LOG(("GetShortPathNameW(%ls) -> '%*.*ls' & %#x [cached]\n",
|
|---|
| 4577 | pwszLongPath, K_MIN(cwcShortPath, cwcRet), K_MIN(cwcShortPath, cwcRet), pwszShortPath, cwcRet));
|
|---|
| 4578 | kFsCacheObjRelease(g_pFsCache, pObj);
|
|---|
| 4579 | return cwcRet;
|
|---|
| 4580 | }
|
|---|
| 4581 |
|
|---|
| 4582 | /* fall back for complicated cases. */
|
|---|
| 4583 | }
|
|---|
| 4584 | kFsCacheObjRelease(g_pFsCache, pObj);
|
|---|
| 4585 | }
|
|---|
| 4586 | }
|
|---|
| 4587 | cwcRet = GetShortPathNameW(pwszLongPath, pwszShortPath, cwcShortPath);
|
|---|
| 4588 | KWFS_LOG(("GetShortPathNameW(%ls) -> '%*.*ls' & %#x\n",
|
|---|
| 4589 | pwszLongPath, K_MIN(cwcShortPath, cwcRet), K_MIN(cwcShortPath, cwcRet), pwszShortPath, cwcRet));
|
|---|
| 4590 | return cwcRet;
|
|---|
| 4591 | }
|
|---|
| 4592 |
|
|---|
| 4593 |
|
|---|
| 4594 |
|
|---|
| 4595 | /*
|
|---|
| 4596 | *
|
|---|
| 4597 | * Virtual memory leak prevension.
|
|---|
| 4598 | * Virtual memory leak prevension.
|
|---|
| 4599 | * Virtual memory leak prevension.
|
|---|
| 4600 | *
|
|---|
| 4601 | */
|
|---|
| 4602 |
|
|---|
| 4603 | /** Kernel32 - VirtualAlloc - for c1[xx].dll 78GB leaks. */
|
|---|
| 4604 | static PVOID WINAPI kwSandbox_Kernel32_VirtualAlloc(PVOID pvAddr, SIZE_T cb, DWORD fAllocType, DWORD fProt)
|
|---|
| 4605 | {
|
|---|
| 4606 | PVOID pvMem = VirtualAlloc(pvAddr, cb, fAllocType, fProt);
|
|---|
| 4607 | KW_LOG(("VirtualAlloc: pvAddr=%p cb=%p type=%#x prot=%#x -> %p (last=%d)\n",
|
|---|
| 4608 | pvAddr, cb, fAllocType, fProt, pvMem, GetLastError()));
|
|---|
| 4609 | if ( g_Sandbox.pTool->u.Sandboxed.enmHint == KWTOOLHINT_VISUAL_CPP_CL
|
|---|
| 4610 | && pvMem)
|
|---|
| 4611 | {
|
|---|
| 4612 | PKWVIRTALLOC pTracker = g_Sandbox.pVirtualAllocHead;
|
|---|
| 4613 | while ( pTracker
|
|---|
| 4614 | && (KUPTR)pvMem - (KUPTR)pTracker->pvAlloc >= pTracker->cbAlloc)
|
|---|
| 4615 | pTracker = pTracker->pNext;
|
|---|
| 4616 | if (!pTracker)
|
|---|
| 4617 | {
|
|---|
| 4618 | DWORD dwErr = GetLastError();
|
|---|
| 4619 | PKWVIRTALLOC pTracker = (PKWVIRTALLOC)kHlpAlloc(sizeof(*pTracker));
|
|---|
| 4620 | if (pTracker)
|
|---|
| 4621 | {
|
|---|
| 4622 | pTracker->pvAlloc = pvMem;
|
|---|
| 4623 | pTracker->cbAlloc = cb;
|
|---|
| 4624 | pTracker->pNext = g_Sandbox.pVirtualAllocHead;
|
|---|
| 4625 | g_Sandbox.pVirtualAllocHead = pTracker;
|
|---|
| 4626 | }
|
|---|
| 4627 | SetLastError(dwErr);
|
|---|
| 4628 | }
|
|---|
| 4629 | }
|
|---|
| 4630 | return pvMem;
|
|---|
| 4631 | }
|
|---|
| 4632 |
|
|---|
| 4633 |
|
|---|
| 4634 | /** Kernel32 - VirtualFree. */
|
|---|
| 4635 | static BOOL WINAPI kwSandbox_Kernel32_VirtualFree(PVOID pvAddr, SIZE_T cb, DWORD dwFreeType)
|
|---|
| 4636 | {
|
|---|
| 4637 | BOOL fRc = VirtualFree(pvAddr, cb, dwFreeType);
|
|---|
| 4638 | KW_LOG(("VirtualFree: pvAddr=%p cb=%p type=%#x -> %d\n", pvAddr, cb, dwFreeType, fRc));
|
|---|
| 4639 | if (g_Sandbox.pTool->u.Sandboxed.enmHint == KWTOOLHINT_VISUAL_CPP_CL)
|
|---|
| 4640 | {
|
|---|
| 4641 | if (dwFreeType & MEM_RELEASE)
|
|---|
| 4642 | {
|
|---|
| 4643 | PKWVIRTALLOC pTracker = g_Sandbox.pVirtualAllocHead;
|
|---|
| 4644 | if (pTracker)
|
|---|
| 4645 | {
|
|---|
| 4646 | if (pTracker->pvAlloc == pvAddr)
|
|---|
| 4647 | g_Sandbox.pVirtualAllocHead = pTracker->pNext;
|
|---|
| 4648 | else
|
|---|
| 4649 | {
|
|---|
| 4650 | PKWVIRTALLOC pPrev;
|
|---|
| 4651 | do
|
|---|
| 4652 | {
|
|---|
| 4653 | pPrev = pTracker;
|
|---|
| 4654 | pTracker = pTracker->pNext;
|
|---|
| 4655 | } while (pTracker && pTracker->pvAlloc != pvAddr);
|
|---|
| 4656 | if (pTracker)
|
|---|
| 4657 | pPrev->pNext = pTracker->pNext;
|
|---|
| 4658 | }
|
|---|
| 4659 | if (pTracker)
|
|---|
| 4660 | kHlpFree(pTracker);
|
|---|
| 4661 | else
|
|---|
| 4662 | KW_LOG(("VirtualFree: pvAddr=%p not found!\n", pvAddr));
|
|---|
| 4663 | }
|
|---|
| 4664 | }
|
|---|
| 4665 | }
|
|---|
| 4666 | return fRc;
|
|---|
| 4667 | }
|
|---|
| 4668 |
|
|---|
| 4669 |
|
|---|
| 4670 |
|
|---|
| 4671 | /*
|
|---|
| 4672 | *
|
|---|
| 4673 | * Thread/Fiber local storage leak prevention.
|
|---|
| 4674 | * Thread/Fiber local storage leak prevention.
|
|---|
| 4675 | * Thread/Fiber local storage leak prevention.
|
|---|
| 4676 | *
|
|---|
| 4677 | * Note! The FlsAlloc/Free causes problems for statically linked VS2010
|
|---|
| 4678 | * code like VBoxBs3ObjConverter.exe. One thing is that we're
|
|---|
| 4679 | * leaking these indexes, but more importantely we crash during
|
|---|
| 4680 | * worker exit since the callback is triggered multiple times.
|
|---|
| 4681 | */
|
|---|
| 4682 |
|
|---|
| 4683 |
|
|---|
| 4684 | /** Kernel32 - FlsAlloc */
|
|---|
| 4685 | DWORD WINAPI kwSandbox_Kernel32_FlsAlloc(PFLS_CALLBACK_FUNCTION pfnCallback)
|
|---|
| 4686 | {
|
|---|
| 4687 | DWORD idxFls = FlsAlloc(pfnCallback);
|
|---|
| 4688 | KW_LOG(("FlsAlloc(%p) -> %#x\n", pfnCallback, idxFls));
|
|---|
| 4689 | if (idxFls != FLS_OUT_OF_INDEXES)
|
|---|
| 4690 | {
|
|---|
| 4691 | PKWLOCALSTORAGE pTracker = (PKWLOCALSTORAGE)kHlpAlloc(sizeof(*pTracker));
|
|---|
| 4692 | if (pTracker)
|
|---|
| 4693 | {
|
|---|
| 4694 | pTracker->idx = idxFls;
|
|---|
| 4695 | pTracker->pNext = g_Sandbox.pFlsAllocHead;
|
|---|
| 4696 | g_Sandbox.pFlsAllocHead = pTracker;
|
|---|
| 4697 | }
|
|---|
| 4698 | }
|
|---|
| 4699 |
|
|---|
| 4700 | return idxFls;
|
|---|
| 4701 | }
|
|---|
| 4702 |
|
|---|
| 4703 | /** Kernel32 - FlsFree */
|
|---|
| 4704 | BOOL WINAPI kwSandbox_Kernel32_FlsFree(DWORD idxFls)
|
|---|
| 4705 | {
|
|---|
| 4706 | BOOL fRc = FlsFree(idxFls);
|
|---|
| 4707 | KW_LOG(("FlsFree(%#x) -> %d\n", idxFls, fRc));
|
|---|
| 4708 | if (fRc)
|
|---|
| 4709 | {
|
|---|
| 4710 | PKWLOCALSTORAGE pTracker = g_Sandbox.pFlsAllocHead;
|
|---|
| 4711 | if (pTracker)
|
|---|
| 4712 | {
|
|---|
| 4713 | if (pTracker->idx == idxFls)
|
|---|
| 4714 | g_Sandbox.pFlsAllocHead = pTracker->pNext;
|
|---|
| 4715 | else
|
|---|
| 4716 | {
|
|---|
| 4717 | PKWLOCALSTORAGE pPrev;
|
|---|
| 4718 | do
|
|---|
| 4719 | {
|
|---|
| 4720 | pPrev = pTracker;
|
|---|
| 4721 | pTracker = pTracker->pNext;
|
|---|
| 4722 | } while (pTracker && pTracker->idx != idxFls);
|
|---|
| 4723 | if (pTracker)
|
|---|
| 4724 | pPrev->pNext = pTracker->pNext;
|
|---|
| 4725 | }
|
|---|
| 4726 | if (pTracker)
|
|---|
| 4727 | {
|
|---|
| 4728 | pTracker->idx = FLS_OUT_OF_INDEXES;
|
|---|
| 4729 | pTracker->pNext = NULL;
|
|---|
| 4730 | kHlpFree(pTracker);
|
|---|
| 4731 | }
|
|---|
| 4732 | }
|
|---|
| 4733 | }
|
|---|
| 4734 | return fRc;
|
|---|
| 4735 | }
|
|---|
| 4736 |
|
|---|
| 4737 |
|
|---|
| 4738 |
|
|---|
| 4739 | /*
|
|---|
| 4740 | *
|
|---|
| 4741 | * Misc function only intercepted while debugging.
|
|---|
| 4742 | * Misc function only intercepted while debugging.
|
|---|
| 4743 | * Misc function only intercepted while debugging.
|
|---|
| 4744 | *
|
|---|
| 4745 | */
|
|---|
| 4746 |
|
|---|
| 4747 | #ifndef NDEBUG
|
|---|
| 4748 |
|
|---|
| 4749 | /** CRT - memcpy */
|
|---|
| 4750 | static void * __cdecl kwSandbox_msvcrt_memcpy(void *pvDst, void const *pvSrc, size_t cb)
|
|---|
| 4751 | {
|
|---|
| 4752 | KU8 const *pbSrc = (KU8 const *)pvSrc;
|
|---|
| 4753 | KU8 *pbDst = (KU8 *)pvDst;
|
|---|
| 4754 | KSIZE cbLeft = cb;
|
|---|
| 4755 | while (cbLeft-- > 0)
|
|---|
| 4756 | *pbDst++ = *pbSrc++;
|
|---|
| 4757 | return pvDst;
|
|---|
| 4758 | }
|
|---|
| 4759 |
|
|---|
| 4760 | #endif /* NDEBUG */
|
|---|
| 4761 |
|
|---|
| 4762 |
|
|---|
| 4763 |
|
|---|
| 4764 | /**
|
|---|
| 4765 | * Functions that needs replacing for sandboxed execution.
|
|---|
| 4766 | */
|
|---|
| 4767 | KWREPLACEMENTFUNCTION const g_aSandboxReplacements[] =
|
|---|
| 4768 | {
|
|---|
| 4769 | /*
|
|---|
| 4770 | * Kernel32.dll and friends.
|
|---|
| 4771 | */
|
|---|
| 4772 | { TUPLE("ExitProcess"), NULL, (KUPTR)kwSandbox_Kernel32_ExitProcess },
|
|---|
| 4773 | { TUPLE("TerminateProcess"), NULL, (KUPTR)kwSandbox_Kernel32_TerminateProcess },
|
|---|
| 4774 |
|
|---|
| 4775 | { TUPLE("LoadLibraryA"), NULL, (KUPTR)kwSandbox_Kernel32_LoadLibraryA },
|
|---|
| 4776 | { TUPLE("LoadLibraryW"), NULL, (KUPTR)kwSandbox_Kernel32_LoadLibraryW },
|
|---|
| 4777 | { TUPLE("LoadLibraryExA"), NULL, (KUPTR)kwSandbox_Kernel32_LoadLibraryExA },
|
|---|
| 4778 | { TUPLE("LoadLibraryExW"), NULL, (KUPTR)kwSandbox_Kernel32_LoadLibraryExW },
|
|---|
| 4779 | { TUPLE("FreeLibrary"), NULL, (KUPTR)kwSandbox_Kernel32_FreeLibrary },
|
|---|
| 4780 | { TUPLE("GetModuleHandleA"), NULL, (KUPTR)kwSandbox_Kernel32_GetModuleHandleA },
|
|---|
| 4781 | { TUPLE("GetModuleHandleW"), NULL, (KUPTR)kwSandbox_Kernel32_GetModuleHandleW },
|
|---|
| 4782 | { TUPLE("GetProcAddress"), NULL, (KUPTR)kwSandbox_Kernel32_GetProcAddress },
|
|---|
| 4783 | { TUPLE("GetModuleFileNameA"), NULL, (KUPTR)kwSandbox_Kernel32_GetModuleFileNameA },
|
|---|
| 4784 | { TUPLE("GetModuleFileNameW"), NULL, (KUPTR)kwSandbox_Kernel32_GetModuleFileNameW },
|
|---|
| 4785 |
|
|---|
| 4786 | { TUPLE("GetCommandLineA"), NULL, (KUPTR)kwSandbox_Kernel32_GetCommandLineA },
|
|---|
| 4787 | { TUPLE("GetCommandLineW"), NULL, (KUPTR)kwSandbox_Kernel32_GetCommandLineW },
|
|---|
| 4788 | { TUPLE("GetStartupInfoA"), NULL, (KUPTR)kwSandbox_Kernel32_GetStartupInfoA },
|
|---|
| 4789 | { TUPLE("GetStartupInfoW"), NULL, (KUPTR)kwSandbox_Kernel32_GetStartupInfoW },
|
|---|
| 4790 |
|
|---|
| 4791 | { TUPLE("CreateThread"), NULL, (KUPTR)kwSandbox_Kernel32_CreateThread },
|
|---|
| 4792 |
|
|---|
| 4793 | { TUPLE("GetEnvironmentVariableA"), NULL, (KUPTR)kwSandbox_Kernel32_GetEnvironmentVariableA },
|
|---|
| 4794 | { TUPLE("GetEnvironmentVariableW"), NULL, (KUPTR)kwSandbox_Kernel32_GetEnvironmentVariableW },
|
|---|
| 4795 | { TUPLE("SetEnvironmentVariableA"), NULL, (KUPTR)kwSandbox_Kernel32_SetEnvironmentVariableA },
|
|---|
| 4796 | { TUPLE("SetEnvironmentVariableW"), NULL, (KUPTR)kwSandbox_Kernel32_SetEnvironmentVariableW },
|
|---|
| 4797 | { TUPLE("ExpandEnvironmentStringsA"), NULL, (KUPTR)kwSandbox_Kernel32_ExpandEnvironmentStringsA },
|
|---|
| 4798 | { TUPLE("ExpandEnvironmentStringsW"), NULL, (KUPTR)kwSandbox_Kernel32_ExpandEnvironmentStringsW },
|
|---|
| 4799 |
|
|---|
| 4800 | { TUPLE("CreateFileA"), NULL, (KUPTR)kwSandbox_Kernel32_CreateFileA },
|
|---|
| 4801 | { TUPLE("CreateFileW"), NULL, (KUPTR)kwSandbox_Kernel32_CreateFileW },
|
|---|
| 4802 | { TUPLE("ReadFile"), NULL, (KUPTR)kwSandbox_Kernel32_ReadFile },
|
|---|
| 4803 | { TUPLE("ReadFileEx"), NULL, (KUPTR)kwSandbox_Kernel32_ReadFileEx },
|
|---|
| 4804 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 4805 | { TUPLE("WriteFile"), NULL, (KUPTR)kwSandbox_Kernel32_WriteFile },
|
|---|
| 4806 | { TUPLE("WriteFileEx"), NULL, (KUPTR)kwSandbox_Kernel32_WriteFileEx },
|
|---|
| 4807 | { TUPLE("SetEndOfFile"), NULL, (KUPTR)kwSandbox_Kernel32_SetEndOfFile },
|
|---|
| 4808 | { TUPLE("GetFileType"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileType },
|
|---|
| 4809 | { TUPLE("GetFileSize"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileSize },
|
|---|
| 4810 | { TUPLE("GetFileSizeEx"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileSizeEx },
|
|---|
| 4811 | { TUPLE("CreateFileMappingW"), NULL, (KUPTR)kwSandbox_Kernel32_CreateFileMappingW },
|
|---|
| 4812 | { TUPLE("MapViewOfFile"), NULL, (KUPTR)kwSandbox_Kernel32_MapViewOfFile },
|
|---|
| 4813 | { TUPLE("UnmapViewOfFile"), NULL, (KUPTR)kwSandbox_Kernel32_UnmapViewOfFile },
|
|---|
| 4814 | #endif
|
|---|
| 4815 | { TUPLE("SetFilePointer"), NULL, (KUPTR)kwSandbox_Kernel32_SetFilePointer },
|
|---|
| 4816 | { TUPLE("SetFilePointerEx"), NULL, (KUPTR)kwSandbox_Kernel32_SetFilePointerEx },
|
|---|
| 4817 | { TUPLE("CloseHandle"), NULL, (KUPTR)kwSandbox_Kernel32_CloseHandle },
|
|---|
| 4818 | { TUPLE("GetFileAttributesA"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileAttributesA },
|
|---|
| 4819 | { TUPLE("GetFileAttributesW"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileAttributesW },
|
|---|
| 4820 | { TUPLE("GetShortPathNameW"), NULL, (KUPTR)kwSandbox_Kernel32_GetShortPathNameW },
|
|---|
| 4821 |
|
|---|
| 4822 | { TUPLE("VirtualAlloc"), NULL, (KUPTR)kwSandbox_Kernel32_VirtualAlloc },
|
|---|
| 4823 | { TUPLE("VirtualFree"), NULL, (KUPTR)kwSandbox_Kernel32_VirtualFree },
|
|---|
| 4824 |
|
|---|
| 4825 | { TUPLE("FlsAlloc"), NULL, (KUPTR)kwSandbox_Kernel32_FlsAlloc },
|
|---|
| 4826 | { TUPLE("FlsFree"), NULL, (KUPTR)kwSandbox_Kernel32_FlsFree },
|
|---|
| 4827 |
|
|---|
| 4828 | /*
|
|---|
| 4829 | * MS Visual C++ CRTs.
|
|---|
| 4830 | */
|
|---|
| 4831 | { TUPLE("exit"), NULL, (KUPTR)kwSandbox_msvcrt_exit },
|
|---|
| 4832 | { TUPLE("_exit"), NULL, (KUPTR)kwSandbox_msvcrt__exit },
|
|---|
| 4833 | { TUPLE("_cexit"), NULL, (KUPTR)kwSandbox_msvcrt__cexit },
|
|---|
| 4834 | { TUPLE("_c_exit"), NULL, (KUPTR)kwSandbox_msvcrt__c_exit },
|
|---|
| 4835 | { TUPLE("_amsg_exit"), NULL, (KUPTR)kwSandbox_msvcrt__amsg_exit },
|
|---|
| 4836 | { TUPLE("terminate"), NULL, (KUPTR)kwSandbox_msvcrt_terminate },
|
|---|
| 4837 |
|
|---|
| 4838 | { TUPLE("_beginthread"), NULL, (KUPTR)kwSandbox_msvcrt__beginthread },
|
|---|
| 4839 | { TUPLE("_beginthreadex"), NULL, (KUPTR)kwSandbox_msvcrt__beginthreadex },
|
|---|
| 4840 |
|
|---|
| 4841 | { TUPLE("__argc"), NULL, (KUPTR)&g_Sandbox.cArgs },
|
|---|
| 4842 | { TUPLE("__argv"), NULL, (KUPTR)&g_Sandbox.papszArgs },
|
|---|
| 4843 | { TUPLE("__wargv"), NULL, (KUPTR)&g_Sandbox.papwszArgs },
|
|---|
| 4844 | { TUPLE("__p___argc"), NULL, (KUPTR)kwSandbox_msvcrt___p___argc },
|
|---|
| 4845 | { TUPLE("__p___argv"), NULL, (KUPTR)kwSandbox_msvcrt___p___argv },
|
|---|
| 4846 | { TUPLE("__p___wargv"), NULL, (KUPTR)kwSandbox_msvcrt___p___wargv },
|
|---|
| 4847 | { TUPLE("_acmdln"), NULL, (KUPTR)&g_Sandbox.pszCmdLine },
|
|---|
| 4848 | { TUPLE("_wcmdln"), NULL, (KUPTR)&g_Sandbox.pwszCmdLine },
|
|---|
| 4849 | { TUPLE("__p__acmdln"), NULL, (KUPTR)kwSandbox_msvcrt___p__acmdln },
|
|---|
| 4850 | { TUPLE("__p__wcmdln"), NULL, (KUPTR)kwSandbox_msvcrt___p__wcmdln },
|
|---|
| 4851 | { TUPLE("_pgmptr"), NULL, (KUPTR)&g_Sandbox.pgmptr },
|
|---|
| 4852 | { TUPLE("_wpgmptr"), NULL, (KUPTR)&g_Sandbox.wpgmptr },
|
|---|
| 4853 | { TUPLE("_get_pgmptr"), NULL, (KUPTR)kwSandbox_msvcrt__get_pgmptr },
|
|---|
| 4854 | { TUPLE("_get_wpgmptr"), NULL, (KUPTR)kwSandbox_msvcrt__get_wpgmptr },
|
|---|
| 4855 | { TUPLE("__p__pgmptr"), NULL, (KUPTR)kwSandbox_msvcrt___p__pgmptr },
|
|---|
| 4856 | { TUPLE("__p__wpgmptr"), NULL, (KUPTR)kwSandbox_msvcrt___p__wpgmptr },
|
|---|
| 4857 | { TUPLE("_wincmdln"), NULL, (KUPTR)kwSandbox_msvcrt__wincmdln },
|
|---|
| 4858 | { TUPLE("_wwincmdln"), NULL, (KUPTR)kwSandbox_msvcrt__wwincmdln },
|
|---|
| 4859 | { TUPLE("__getmainargs"), NULL, (KUPTR)kwSandbox_msvcrt___getmainargs},
|
|---|
| 4860 | { TUPLE("__wgetmainargs"), NULL, (KUPTR)kwSandbox_msvcrt___wgetmainargs},
|
|---|
| 4861 |
|
|---|
| 4862 | { TUPLE("_putenv"), NULL, (KUPTR)kwSandbox_msvcrt__putenv},
|
|---|
| 4863 | { TUPLE("_wputenv"), NULL, (KUPTR)kwSandbox_msvcrt__wputenv},
|
|---|
| 4864 | { TUPLE("_putenv_s"), NULL, (KUPTR)kwSandbox_msvcrt__putenv_s},
|
|---|
| 4865 | { TUPLE("_wputenv_s"), NULL, (KUPTR)kwSandbox_msvcrt__wputenv_s},
|
|---|
| 4866 | { TUPLE("__initenv"), NULL, (KUPTR)&g_Sandbox.initenv },
|
|---|
| 4867 | { TUPLE("__winitenv"), NULL, (KUPTR)&g_Sandbox.winitenv },
|
|---|
| 4868 | { TUPLE("__p___initenv"), NULL, (KUPTR)kwSandbox_msvcrt___p___initenv},
|
|---|
| 4869 | { TUPLE("__p___winitenv"), NULL, (KUPTR)kwSandbox_msvcrt___p___winitenv},
|
|---|
| 4870 | { TUPLE("_environ"), NULL, (KUPTR)&g_Sandbox.environ },
|
|---|
| 4871 | { TUPLE("_wenviron"), NULL, (KUPTR)&g_Sandbox.wenviron },
|
|---|
| 4872 | { TUPLE("_get_environ"), NULL, (KUPTR)kwSandbox_msvcrt__get_environ },
|
|---|
| 4873 | { TUPLE("_get_wenviron"), NULL, (KUPTR)kwSandbox_msvcrt__get_wenviron },
|
|---|
| 4874 | { TUPLE("__p__environ"), NULL, (KUPTR)kwSandbox_msvcrt___p__environ },
|
|---|
| 4875 | { TUPLE("__p__wenviron"), NULL, (KUPTR)kwSandbox_msvcrt___p__wenviron },
|
|---|
| 4876 |
|
|---|
| 4877 | #ifndef NDEBUG
|
|---|
| 4878 | { TUPLE("memcpy"), NULL, (KUPTR)kwSandbox_msvcrt_memcpy },
|
|---|
| 4879 | #endif
|
|---|
| 4880 | };
|
|---|
| 4881 | /** Number of entries in g_aReplacements. */
|
|---|
| 4882 | KU32 const g_cSandboxReplacements = K_ELEMENTS(g_aSandboxReplacements);
|
|---|
| 4883 |
|
|---|
| 4884 |
|
|---|
| 4885 | /**
|
|---|
| 4886 | * Functions that needs replacing in natively loaded DLLs when doing sandboxed
|
|---|
| 4887 | * execution.
|
|---|
| 4888 | */
|
|---|
| 4889 | KWREPLACEMENTFUNCTION const g_aSandboxNativeReplacements[] =
|
|---|
| 4890 | {
|
|---|
| 4891 | /*
|
|---|
| 4892 | * Kernel32.dll and friends.
|
|---|
| 4893 | */
|
|---|
| 4894 | { TUPLE("ExitProcess"), NULL, (KUPTR)kwSandbox_Kernel32_ExitProcess },
|
|---|
| 4895 | { TUPLE("TerminateProcess"), NULL, (KUPTR)kwSandbox_Kernel32_TerminateProcess },
|
|---|
| 4896 |
|
|---|
| 4897 | #if 0
|
|---|
| 4898 | { TUPLE("CreateThread"), NULL, (KUPTR)kwSandbox_Kernel32_CreateThread },
|
|---|
| 4899 | #endif
|
|---|
| 4900 |
|
|---|
| 4901 | { TUPLE("CreateFileA"), NULL, (KUPTR)kwSandbox_Kernel32_CreateFileA },
|
|---|
| 4902 | { TUPLE("CreateFileW"), NULL, (KUPTR)kwSandbox_Kernel32_CreateFileW },
|
|---|
| 4903 | { TUPLE("ReadFile"), NULL, (KUPTR)kwSandbox_Kernel32_ReadFile },
|
|---|
| 4904 | { TUPLE("ReadFileEx"), NULL, (KUPTR)kwSandbox_Kernel32_ReadFileEx },
|
|---|
| 4905 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 4906 | { TUPLE("WriteFile"), NULL, (KUPTR)kwSandbox_Kernel32_WriteFile },
|
|---|
| 4907 | { TUPLE("WriteFileEx"), NULL, (KUPTR)kwSandbox_Kernel32_WriteFileEx },
|
|---|
| 4908 | { TUPLE("SetEndOfFile"), NULL, (KUPTR)kwSandbox_Kernel32_SetEndOfFile },
|
|---|
| 4909 | { TUPLE("GetFileType"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileType },
|
|---|
| 4910 | { TUPLE("GetFileSize"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileSize },
|
|---|
| 4911 | { TUPLE("GetFileSizeEx"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileSizeEx },
|
|---|
| 4912 | { TUPLE("CreateFileMappingW"), NULL, (KUPTR)kwSandbox_Kernel32_CreateFileMappingW },
|
|---|
| 4913 | { TUPLE("MapViewOfFile"), NULL, (KUPTR)kwSandbox_Kernel32_MapViewOfFile },
|
|---|
| 4914 | { TUPLE("UnmapViewOfFile"), NULL, (KUPTR)kwSandbox_Kernel32_UnmapViewOfFile },
|
|---|
| 4915 | #endif
|
|---|
| 4916 | { TUPLE("SetFilePointer"), NULL, (KUPTR)kwSandbox_Kernel32_SetFilePointer },
|
|---|
| 4917 | { TUPLE("SetFilePointerEx"), NULL, (KUPTR)kwSandbox_Kernel32_SetFilePointerEx },
|
|---|
| 4918 | { TUPLE("CloseHandle"), NULL, (KUPTR)kwSandbox_Kernel32_CloseHandle },
|
|---|
| 4919 | { TUPLE("GetFileAttributesA"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileAttributesA },
|
|---|
| 4920 | { TUPLE("GetFileAttributesW"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileAttributesW },
|
|---|
| 4921 | { TUPLE("GetShortPathNameW"), NULL, (KUPTR)kwSandbox_Kernel32_GetShortPathNameW },
|
|---|
| 4922 |
|
|---|
| 4923 | /*
|
|---|
| 4924 | * MS Visual C++ CRTs.
|
|---|
| 4925 | */
|
|---|
| 4926 | { TUPLE("exit"), NULL, (KUPTR)kwSandbox_msvcrt_exit },
|
|---|
| 4927 | { TUPLE("_exit"), NULL, (KUPTR)kwSandbox_msvcrt__exit },
|
|---|
| 4928 | { TUPLE("_cexit"), NULL, (KUPTR)kwSandbox_msvcrt__cexit },
|
|---|
| 4929 | { TUPLE("_c_exit"), NULL, (KUPTR)kwSandbox_msvcrt__c_exit },
|
|---|
| 4930 | { TUPLE("_amsg_exit"), NULL, (KUPTR)kwSandbox_msvcrt__amsg_exit },
|
|---|
| 4931 | { TUPLE("terminate"), NULL, (KUPTR)kwSandbox_msvcrt_terminate },
|
|---|
| 4932 |
|
|---|
| 4933 | #if 0 /* used by mspdbXXX.dll */
|
|---|
| 4934 | { TUPLE("_beginthread"), NULL, (KUPTR)kwSandbox_msvcrt__beginthread },
|
|---|
| 4935 | { TUPLE("_beginthreadex"), NULL, (KUPTR)kwSandbox_msvcrt__beginthreadex },
|
|---|
| 4936 | #endif
|
|---|
| 4937 | };
|
|---|
| 4938 | /** Number of entries in g_aSandboxNativeReplacements. */
|
|---|
| 4939 | KU32 const g_cSandboxNativeReplacements = K_ELEMENTS(g_aSandboxNativeReplacements);
|
|---|
| 4940 |
|
|---|
| 4941 |
|
|---|
| 4942 | /**
|
|---|
| 4943 | * Used by kwSandboxExec to reset the state of the module tree.
|
|---|
| 4944 | *
|
|---|
| 4945 | * This is done recursively.
|
|---|
| 4946 | *
|
|---|
| 4947 | * @param pMod The root of the tree to consider.
|
|---|
| 4948 | */
|
|---|
| 4949 | static void kwSandboxResetModuleState(PKWMODULE pMod)
|
|---|
| 4950 | {
|
|---|
| 4951 | if ( !pMod->fNative
|
|---|
| 4952 | && pMod->u.Manual.enmState != KWMODSTATE_NEEDS_BITS)
|
|---|
| 4953 | {
|
|---|
| 4954 | KSIZE iImp;
|
|---|
| 4955 | pMod->u.Manual.enmState = KWMODSTATE_NEEDS_BITS;
|
|---|
| 4956 | iImp = pMod->u.Manual.cImpMods;
|
|---|
| 4957 | while (iImp-- > 0)
|
|---|
| 4958 | kwSandboxResetModuleState(pMod->u.Manual.apImpMods[iImp]);
|
|---|
| 4959 | }
|
|---|
| 4960 | }
|
|---|
| 4961 |
|
|---|
| 4962 | static PPEB kwSandboxGetProcessEnvironmentBlock(void)
|
|---|
| 4963 | {
|
|---|
| 4964 | #if K_ARCH == K_ARCH_X86_32
|
|---|
| 4965 | return (PPEB)__readfsdword(0x030 /* offset of ProcessEnvironmentBlock in TEB */);
|
|---|
| 4966 | #elif K_ARCH == K_ARCH_AMD64
|
|---|
| 4967 | return (PPEB)__readgsqword(0x060 /* offset of ProcessEnvironmentBlock in TEB */);
|
|---|
| 4968 | #else
|
|---|
| 4969 | # error "Port me!"
|
|---|
| 4970 | #endif
|
|---|
| 4971 | }
|
|---|
| 4972 |
|
|---|
| 4973 |
|
|---|
| 4974 | #if defined(KBUILD_OS_WINDOWS) && defined(KBUILD_ARCH_X86)
|
|---|
| 4975 | typedef struct _EXCEPTION_REGISTRATION_RECORD
|
|---|
| 4976 | {
|
|---|
| 4977 | struct _EXCEPTION_REGISTRATION_RECORD * volatile PrevStructure;
|
|---|
| 4978 | KU32 (__cdecl * volatile ExceptionHandler)(PEXCEPTION_RECORD, struct _EXCEPTION_REGISTRATION_RECORD*, PCONTEXT,
|
|---|
| 4979 | struct _EXCEPTION_REGISTRATION_RECORD * volatile *);
|
|---|
| 4980 | };
|
|---|
| 4981 |
|
|---|
| 4982 | /**
|
|---|
| 4983 | * Vectored exception handler that emulates x86 chained exception handler.
|
|---|
| 4984 | *
|
|---|
| 4985 | * This is necessary because the RtlIsValidHandler check fails for self loaded
|
|---|
| 4986 | * code and prevents cl.exe from working. (On AMD64 we can register function
|
|---|
| 4987 | * tables, but on X86 cooking your own handling seems to be the only viabke
|
|---|
| 4988 | * alternative.)
|
|---|
| 4989 | *
|
|---|
| 4990 | * @returns EXCEPTION_CONTINUE_SEARCH or EXCEPTION_CONTINUE_EXECUTION.
|
|---|
| 4991 | * @param pXcptPtrs The exception details.
|
|---|
| 4992 | */
|
|---|
| 4993 | static LONG CALLBACK kwSandboxVecXcptEmulateChained(PEXCEPTION_POINTERS pXcptPtrs)
|
|---|
| 4994 | {
|
|---|
| 4995 | PNT_TIB pTib = (PNT_TIB)NtCurrentTeb();
|
|---|
| 4996 | KW_LOG(("kwSandboxVecXcptEmulateChained: %#x\n", pXcptPtrs->ExceptionRecord->ExceptionCode));
|
|---|
| 4997 | if (g_Sandbox.fRunning)
|
|---|
| 4998 | {
|
|---|
| 4999 | PEXCEPTION_RECORD pXcptRec = pXcptPtrs->ExceptionRecord;
|
|---|
| 5000 | PCONTEXT pXcptCtx = pXcptPtrs->ContextRecord;
|
|---|
| 5001 | struct _EXCEPTION_REGISTRATION_RECORD * volatile *ppRegRec = &pTib->ExceptionList;
|
|---|
| 5002 | struct _EXCEPTION_REGISTRATION_RECORD * pRegRec = *ppRegRec;
|
|---|
| 5003 | while (((KUPTR)pRegRec & (sizeof(void *) - 3)) == 0 && pRegRec != NULL)
|
|---|
| 5004 | {
|
|---|
| 5005 | #if 1
|
|---|
| 5006 | /* This is a more robust version that isn't subject to calling
|
|---|
| 5007 | convension cleanup disputes and such. */
|
|---|
| 5008 | KU32 uSavedEdi;
|
|---|
| 5009 | KU32 uSavedEsi;
|
|---|
| 5010 | KU32 uSavedEbx;
|
|---|
| 5011 | KU32 rcHandler;
|
|---|
| 5012 | __asm
|
|---|
| 5013 | {
|
|---|
| 5014 | mov [uSavedEdi], edi
|
|---|
| 5015 | mov [uSavedEsi], esi
|
|---|
| 5016 | mov [uSavedEbx], ebx
|
|---|
| 5017 | mov esi, esp
|
|---|
| 5018 | mov edi, esp
|
|---|
| 5019 | mov ecx, [pXcptRec]
|
|---|
| 5020 | mov edx, [pRegRec]
|
|---|
| 5021 | mov eax, [pXcptCtx]
|
|---|
| 5022 | mov ebx, [ppRegRec]
|
|---|
| 5023 | sub esp, 16
|
|---|
| 5024 | and esp, 0fffffff0h
|
|---|
| 5025 | mov [esp ], ecx
|
|---|
| 5026 | mov [esp + 4], edx
|
|---|
| 5027 | mov [esp + 8], eax
|
|---|
| 5028 | mov [esp + 12], ebx
|
|---|
| 5029 | call dword ptr [edx + 4]
|
|---|
| 5030 | mov esp, esi
|
|---|
| 5031 | cmp esp, edi
|
|---|
| 5032 | je stack_ok
|
|---|
| 5033 | int 3
|
|---|
| 5034 | stack_ok:
|
|---|
| 5035 | mov edi, [uSavedEdi]
|
|---|
| 5036 | mov esi, [uSavedEsi]
|
|---|
| 5037 | mov ebx, [uSavedEbx]
|
|---|
| 5038 | mov [rcHandler], eax
|
|---|
| 5039 | }
|
|---|
| 5040 | #else
|
|---|
| 5041 | KU32 rcHandler = pRegRec->ExceptionHandler(pXcptPtrs->ExceptionRecord, pRegRec, pXcptPtrs->ContextRecord, ppRegRec);
|
|---|
| 5042 | #endif
|
|---|
| 5043 | if (rcHandler == ExceptionContinueExecution)
|
|---|
| 5044 | {
|
|---|
| 5045 | kHlpAssert(!(pXcptPtrs->ExceptionRecord->ExceptionFlags & EXCEPTION_NONCONTINUABLE));
|
|---|
| 5046 | return EXCEPTION_CONTINUE_EXECUTION;
|
|---|
| 5047 | }
|
|---|
| 5048 | if (rcHandler == ExceptionContinueSearch)
|
|---|
| 5049 | kHlpAssert(!(pXcptPtrs->ExceptionRecord->ExceptionFlags & 8 /*EXCEPTION_STACK_INVALID*/));
|
|---|
| 5050 | else if (rcHandler == ExceptionNestedException)
|
|---|
| 5051 | kHlpAssertMsgFailed(("Nested exceptions.\n"));
|
|---|
| 5052 | else
|
|---|
| 5053 | kHlpAssertMsgFailed(("Invalid return %#x (%d).\n", rcHandler, rcHandler));
|
|---|
| 5054 |
|
|---|
| 5055 | /*
|
|---|
| 5056 | * Next.
|
|---|
| 5057 | */
|
|---|
| 5058 | ppRegRec = &pRegRec->PrevStructure;
|
|---|
| 5059 | pRegRec = pRegRec->PrevStructure;
|
|---|
| 5060 | }
|
|---|
| 5061 | }
|
|---|
| 5062 | return EXCEPTION_CONTINUE_SEARCH;
|
|---|
| 5063 | }
|
|---|
| 5064 | #endif /* WINDOWS + X86 */
|
|---|
| 5065 |
|
|---|
| 5066 |
|
|---|
| 5067 | /**
|
|---|
| 5068 | * Enters the given handle into the handle table.
|
|---|
| 5069 | *
|
|---|
| 5070 | * @returns K_TRUE on success, K_FALSE on failure.
|
|---|
| 5071 | * @param pSandbox The sandbox.
|
|---|
| 5072 | * @param pHandle The handle.
|
|---|
| 5073 | */
|
|---|
| 5074 | static KBOOL kwSandboxHandleTableEnter(PKWSANDBOX pSandbox, PKWHANDLE pHandle)
|
|---|
| 5075 | {
|
|---|
| 5076 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(pHandle->hHandle);
|
|---|
| 5077 | kHlpAssertReturn(idxHandle < KW_HANDLE_MAX, K_FALSE);
|
|---|
| 5078 |
|
|---|
| 5079 | /*
|
|---|
| 5080 | * Grow handle table.
|
|---|
| 5081 | */
|
|---|
| 5082 | if (idxHandle >= pSandbox->cHandles)
|
|---|
| 5083 | {
|
|---|
| 5084 | void *pvNew;
|
|---|
| 5085 | KU32 cHandles = pSandbox->cHandles ? pSandbox->cHandles * 2 : 32;
|
|---|
| 5086 | while (cHandles <= idxHandle)
|
|---|
| 5087 | cHandles *= 2;
|
|---|
| 5088 | pvNew = kHlpRealloc(pSandbox->papHandles, cHandles * sizeof(pSandbox->papHandles[0]));
|
|---|
| 5089 | if (!pvNew)
|
|---|
| 5090 | {
|
|---|
| 5091 | KW_LOG(("Out of memory growing handle table to %u handles\n", cHandles));
|
|---|
| 5092 | return K_FALSE;
|
|---|
| 5093 | }
|
|---|
| 5094 | pSandbox->papHandles = (PKWHANDLE *)pvNew;
|
|---|
| 5095 | kHlpMemSet(&pSandbox->papHandles[pSandbox->cHandles], 0,
|
|---|
| 5096 | (cHandles - pSandbox->cHandles) * sizeof(pSandbox->papHandles[0]));
|
|---|
| 5097 | pSandbox->cHandles = cHandles;
|
|---|
| 5098 | }
|
|---|
| 5099 |
|
|---|
| 5100 | /*
|
|---|
| 5101 | * Check that the entry is unused then insert it.
|
|---|
| 5102 | */
|
|---|
| 5103 | kHlpAssertReturn(pSandbox->papHandles[idxHandle] == NULL, K_FALSE);
|
|---|
| 5104 | pSandbox->papHandles[idxHandle] = pHandle;
|
|---|
| 5105 | pSandbox->cActiveHandles++;
|
|---|
| 5106 | return K_TRUE;
|
|---|
| 5107 | }
|
|---|
| 5108 |
|
|---|
| 5109 |
|
|---|
| 5110 | /**
|
|---|
| 5111 | * Creates a correctly quoted ANSI command line string from the given argv.
|
|---|
| 5112 | *
|
|---|
| 5113 | * @returns Pointer to the command line.
|
|---|
| 5114 | * @param cArgs Number of arguments.
|
|---|
| 5115 | * @param papszArgs The argument vector.
|
|---|
| 5116 | * @param fWatcomBrainDamange Whether to apply watcom rules while quoting.
|
|---|
| 5117 | * @param pcbCmdLine Where to return the command line length,
|
|---|
| 5118 | * including one terminator.
|
|---|
| 5119 | */
|
|---|
| 5120 | static char *kwSandboxInitCmdLineFromArgv(KU32 cArgs, const char **papszArgs, KBOOL fWatcomBrainDamange, KSIZE *pcbCmdLine)
|
|---|
| 5121 | {
|
|---|
| 5122 | KU32 i;
|
|---|
| 5123 | KSIZE cbCmdLine;
|
|---|
| 5124 | char *pszCmdLine;
|
|---|
| 5125 |
|
|---|
| 5126 | /* Make a copy of the argument vector that we'll be quoting. */
|
|---|
| 5127 | char **papszQuotedArgs = alloca(sizeof(papszArgs[0]) * (cArgs + 1));
|
|---|
| 5128 | kHlpMemCopy(papszQuotedArgs, papszArgs, sizeof(papszArgs[0]) * (cArgs + 1));
|
|---|
| 5129 |
|
|---|
| 5130 | /* Quote the arguments that need it. */
|
|---|
| 5131 | quote_argv(cArgs, papszQuotedArgs, fWatcomBrainDamange, 0 /*leak*/);
|
|---|
| 5132 |
|
|---|
| 5133 | /* figure out cmd line length. */
|
|---|
| 5134 | cbCmdLine = 0;
|
|---|
| 5135 | for (i = 0; i < cArgs; i++)
|
|---|
| 5136 | cbCmdLine += strlen(papszQuotedArgs[i]) + 1;
|
|---|
| 5137 | *pcbCmdLine = cbCmdLine;
|
|---|
| 5138 |
|
|---|
| 5139 | pszCmdLine = (char *)kHlpAlloc(cbCmdLine + 1);
|
|---|
| 5140 | if (pszCmdLine)
|
|---|
| 5141 | {
|
|---|
| 5142 | char *psz = kHlpStrPCopy(pszCmdLine, papszQuotedArgs[0]);
|
|---|
| 5143 | if (papszQuotedArgs[0] != papszArgs[0])
|
|---|
| 5144 | free(papszQuotedArgs[0]);
|
|---|
| 5145 |
|
|---|
| 5146 | for (i = 1; i < cArgs; i++)
|
|---|
| 5147 | {
|
|---|
| 5148 | *psz++ = ' ';
|
|---|
| 5149 | psz = kHlpStrPCopy(psz, papszQuotedArgs[i]);
|
|---|
| 5150 | if (papszQuotedArgs[i] != papszArgs[i])
|
|---|
| 5151 | free(papszQuotedArgs[i]);
|
|---|
| 5152 | }
|
|---|
| 5153 | kHlpAssert((KSIZE)(&psz[1] - pszCmdLine) == cbCmdLine);
|
|---|
| 5154 |
|
|---|
| 5155 | *psz++ = '\0';
|
|---|
| 5156 | *psz++ = '\0';
|
|---|
| 5157 | }
|
|---|
| 5158 |
|
|---|
| 5159 | return pszCmdLine;
|
|---|
| 5160 | }
|
|---|
| 5161 |
|
|---|
| 5162 |
|
|---|
| 5163 |
|
|---|
| 5164 | static int kwSandboxInit(PKWSANDBOX pSandbox, PKWTOOL pTool,
|
|---|
| 5165 | KU32 cArgs, const char **papszArgs, KBOOL fWatcomBrainDamange,
|
|---|
| 5166 | KU32 cEnvVars, const char **papszEnvVars)
|
|---|
| 5167 | {
|
|---|
| 5168 | PPEB pPeb = kwSandboxGetProcessEnvironmentBlock();
|
|---|
| 5169 | wchar_t *pwcPool;
|
|---|
| 5170 | KSIZE cbStrings;
|
|---|
| 5171 | KSIZE cwc;
|
|---|
| 5172 | KSIZE cbCmdLine;
|
|---|
| 5173 | KU32 i;
|
|---|
| 5174 |
|
|---|
| 5175 | /* Simple stuff. */
|
|---|
| 5176 | pSandbox->rcExitCode = 256;
|
|---|
| 5177 | pSandbox->pTool = pTool;
|
|---|
| 5178 | pSandbox->idMainThread = GetCurrentThreadId();
|
|---|
| 5179 | pSandbox->pgmptr = (char *)pTool->pszPath;
|
|---|
| 5180 | pSandbox->wpgmptr = (wchar_t *)pTool->pwszPath;
|
|---|
| 5181 | pSandbox->cArgs = cArgs;
|
|---|
| 5182 | pSandbox->papszArgs = (char **)papszArgs;
|
|---|
| 5183 | pSandbox->pszCmdLine = kwSandboxInitCmdLineFromArgv(cArgs, papszArgs, fWatcomBrainDamange, &cbCmdLine);
|
|---|
| 5184 | if (!pSandbox->pszCmdLine)
|
|---|
| 5185 | return KERR_NO_MEMORY;
|
|---|
| 5186 |
|
|---|
| 5187 | /*
|
|---|
| 5188 | * Convert command line and argv to UTF-16.
|
|---|
| 5189 | * We assume each ANSI char requires a surrogate pair in the UTF-16 variant.
|
|---|
| 5190 | */
|
|---|
| 5191 | pSandbox->papwszArgs = (wchar_t **)kHlpAlloc(sizeof(wchar_t *) * (pSandbox->cArgs + 2) + cbCmdLine * 2 * sizeof(wchar_t));
|
|---|
| 5192 | if (!pSandbox->papwszArgs)
|
|---|
| 5193 | return KERR_NO_MEMORY;
|
|---|
| 5194 | pwcPool = (wchar_t *)&pSandbox->papwszArgs[pSandbox->cArgs + 2];
|
|---|
| 5195 | for (i = 0; i < cArgs; i++)
|
|---|
| 5196 | {
|
|---|
| 5197 | *pwcPool++ = pSandbox->papszArgs[i][-1]; /* flags */
|
|---|
| 5198 | pSandbox->papwszArgs[i] = pwcPool;
|
|---|
| 5199 | pwcPool += kwStrToUtf16(pSandbox->papszArgs[i], pwcPool, (strlen(pSandbox->papszArgs[i]) + 1) * 2);
|
|---|
| 5200 | pwcPool++;
|
|---|
| 5201 | }
|
|---|
| 5202 | pSandbox->papwszArgs[pSandbox->cArgs + 0] = NULL;
|
|---|
| 5203 | pSandbox->papwszArgs[pSandbox->cArgs + 1] = NULL;
|
|---|
| 5204 |
|
|---|
| 5205 | /*
|
|---|
| 5206 | * Convert the commandline string to UTF-16, same pessimistic approach as above.
|
|---|
| 5207 | */
|
|---|
| 5208 | cbStrings = (cbCmdLine + 1) * 2 * sizeof(wchar_t);
|
|---|
| 5209 | pSandbox->pwszCmdLine = kHlpAlloc(cbStrings);
|
|---|
| 5210 | if (!pSandbox->pwszCmdLine)
|
|---|
| 5211 | return KERR_NO_MEMORY;
|
|---|
| 5212 | cwc = kwStrToUtf16(pSandbox->pszCmdLine, pSandbox->pwszCmdLine, cbStrings / sizeof(wchar_t));
|
|---|
| 5213 |
|
|---|
| 5214 | pSandbox->SavedCommandLine = pPeb->ProcessParameters->CommandLine;
|
|---|
| 5215 | pPeb->ProcessParameters->CommandLine.Buffer = pSandbox->pwszCmdLine;
|
|---|
| 5216 | pPeb->ProcessParameters->CommandLine.Length = (USHORT)cwc * sizeof(wchar_t);
|
|---|
| 5217 |
|
|---|
| 5218 | /*
|
|---|
| 5219 | * Invalidate the volatile parts of cache (kBuild output directory,
|
|---|
| 5220 | * temporary directory, whatever).
|
|---|
| 5221 | */
|
|---|
| 5222 | kFsCacheInvalidateCustomBoth(g_pFsCache);
|
|---|
| 5223 | return 0;
|
|---|
| 5224 | }
|
|---|
| 5225 |
|
|---|
| 5226 |
|
|---|
| 5227 | static void kwSandboxCleanup(PKWSANDBOX pSandbox)
|
|---|
| 5228 | {
|
|---|
| 5229 | PKWVIRTALLOC pTracker;
|
|---|
| 5230 | PKWLOCALSTORAGE pLocalStorage;
|
|---|
| 5231 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 5232 | PKWFSTEMPFILE pTempFile;
|
|---|
| 5233 | #endif
|
|---|
| 5234 | PPEB pPeb = kwSandboxGetProcessEnvironmentBlock();
|
|---|
| 5235 | pPeb->ProcessParameters->CommandLine = pSandbox->SavedCommandLine;
|
|---|
| 5236 | /** @todo lots more to do here! */
|
|---|
| 5237 |
|
|---|
| 5238 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 5239 | pTempFile = pSandbox->pTempFileHead;
|
|---|
| 5240 | pSandbox->pTempFileHead = NULL;
|
|---|
| 5241 | while (pTempFile)
|
|---|
| 5242 | {
|
|---|
| 5243 | PKWFSTEMPFILE pNext = pTempFile->pNext;
|
|---|
| 5244 | KU32 iSeg = pTempFile->cSegs;
|
|---|
| 5245 | while (iSeg-- > 0)
|
|---|
| 5246 | kHlpPageFree(pTempFile->paSegs[iSeg].pbData, pTempFile->paSegs[iSeg].cbDataAlloc);
|
|---|
| 5247 | kHlpFree(pTempFile->paSegs);
|
|---|
| 5248 | pTempFile->pNext = NULL;
|
|---|
| 5249 | kHlpFree(pTempFile);
|
|---|
| 5250 |
|
|---|
| 5251 | pTempFile = pNext;
|
|---|
| 5252 | }
|
|---|
| 5253 | #endif
|
|---|
| 5254 |
|
|---|
| 5255 | /* Free left behind VirtualAlloc leaks. */
|
|---|
| 5256 | pTracker = g_Sandbox.pVirtualAllocHead;
|
|---|
| 5257 | g_Sandbox.pVirtualAllocHead = NULL;
|
|---|
| 5258 | while (pTracker)
|
|---|
| 5259 | {
|
|---|
| 5260 | PKWVIRTALLOC pNext = pTracker->pNext;
|
|---|
| 5261 | KW_LOG(("Freeing VirtualFree leak %p LB %#x\n", pTracker->pvAlloc, pTracker->cbAlloc));
|
|---|
| 5262 | VirtualFree(pTracker->pvAlloc, 0, MEM_RELEASE);
|
|---|
| 5263 | kHlpFree(pTracker);
|
|---|
| 5264 | pTracker = pNext;
|
|---|
| 5265 | }
|
|---|
| 5266 |
|
|---|
| 5267 | /* Free left behind FlsAlloc leaks. */
|
|---|
| 5268 | pLocalStorage = g_Sandbox.pFlsAllocHead;
|
|---|
| 5269 | g_Sandbox.pFlsAllocHead = NULL;
|
|---|
| 5270 | while (pLocalStorage)
|
|---|
| 5271 | {
|
|---|
| 5272 | PKWLOCALSTORAGE pNext = pLocalStorage->pNext;
|
|---|
| 5273 | KW_LOG(("Freeing leaded FlsAlloc index %#x\n", pLocalStorage->idx));
|
|---|
| 5274 | FlsFree(pLocalStorage->idx);
|
|---|
| 5275 | kHlpFree(pLocalStorage);
|
|---|
| 5276 | pLocalStorage = pNext;
|
|---|
| 5277 | }
|
|---|
| 5278 |
|
|---|
| 5279 | /* Free left behind TlsAlloc leaks. */
|
|---|
| 5280 | pLocalStorage = g_Sandbox.pTlsAllocHead;
|
|---|
| 5281 | g_Sandbox.pTlsAllocHead = NULL;
|
|---|
| 5282 | while (pLocalStorage)
|
|---|
| 5283 | {
|
|---|
| 5284 | PKWLOCALSTORAGE pNext = pLocalStorage->pNext;
|
|---|
| 5285 | KW_LOG(("Freeing leaded TlsAlloc index %#x\n", pLocalStorage->idx));
|
|---|
| 5286 | TlsFree(pLocalStorage->idx);
|
|---|
| 5287 | kHlpFree(pLocalStorage);
|
|---|
| 5288 | pLocalStorage = pNext;
|
|---|
| 5289 | }
|
|---|
| 5290 |
|
|---|
| 5291 | }
|
|---|
| 5292 |
|
|---|
| 5293 |
|
|---|
| 5294 | static int kwSandboxExec(PKWSANDBOX pSandbox, PKWTOOL pTool, KU32 cArgs, const char **papszArgs, KBOOL fWatcomBrainDamange,
|
|---|
| 5295 | KU32 cEnvVars, const char **papszEnvVars)
|
|---|
| 5296 | {
|
|---|
| 5297 | int rcExit = 42;
|
|---|
| 5298 | int rc;
|
|---|
| 5299 |
|
|---|
| 5300 | /*
|
|---|
| 5301 | * Initialize the sandbox environment.
|
|---|
| 5302 | */
|
|---|
| 5303 | rc = kwSandboxInit(&g_Sandbox, pTool, cArgs, papszArgs, fWatcomBrainDamange, cEnvVars, papszEnvVars);
|
|---|
| 5304 | if (rc == 0)
|
|---|
| 5305 | {
|
|---|
| 5306 | /*
|
|---|
| 5307 | * Do module initialization.
|
|---|
| 5308 | */
|
|---|
| 5309 | kwSandboxResetModuleState(pTool->u.Sandboxed.pExe);
|
|---|
| 5310 | rc = kwLdrModuleInitTree(pTool->u.Sandboxed.pExe);
|
|---|
| 5311 | if (rc == 0)
|
|---|
| 5312 | {
|
|---|
| 5313 | /*
|
|---|
| 5314 | * Call the main function.
|
|---|
| 5315 | */
|
|---|
| 5316 | #if K_ARCH == K_ARCH_AMD64
|
|---|
| 5317 | int (*pfnWin64Entrypoint)(void *pvPeb, void *, void *, void *);
|
|---|
| 5318 | #elif K_ARCH == K_ARCH_X86_32
|
|---|
| 5319 | int (__cdecl *pfnWin32Entrypoint)(void *pvPeb);
|
|---|
| 5320 | #else
|
|---|
| 5321 | # error "Port me!"
|
|---|
| 5322 | #endif
|
|---|
| 5323 |
|
|---|
| 5324 | /* Save the NT TIB first (should do that here, not in some other function). */
|
|---|
| 5325 | PNT_TIB pTib = (PNT_TIB)NtCurrentTeb();
|
|---|
| 5326 | pSandbox->TibMainThread = *pTib;
|
|---|
| 5327 |
|
|---|
| 5328 | /* Make the call in a guarded fashion. */
|
|---|
| 5329 | #if K_ARCH == K_ARCH_AMD64
|
|---|
| 5330 | /* AMD64 */
|
|---|
| 5331 | *(KUPTR *)&pfnWin64Entrypoint = pTool->u.Sandboxed.uMainAddr;
|
|---|
| 5332 | __try
|
|---|
| 5333 | {
|
|---|
| 5334 | pSandbox->pOutXcptListHead = pTib->ExceptionList;
|
|---|
| 5335 | if (setjmp(pSandbox->JmpBuf) == 0)
|
|---|
| 5336 | {
|
|---|
| 5337 | *(KU64*)(pSandbox->JmpBuf) = 0; /** @todo find other way to prevent longjmp from doing unwind! */
|
|---|
| 5338 | pSandbox->fRunning = K_TRUE;
|
|---|
| 5339 | rcExit = pfnWin64Entrypoint(kwSandboxGetProcessEnvironmentBlock(), NULL, NULL, NULL);
|
|---|
| 5340 | pSandbox->fRunning = K_FALSE;
|
|---|
| 5341 | }
|
|---|
| 5342 | else
|
|---|
| 5343 | rcExit = pSandbox->rcExitCode;
|
|---|
| 5344 | }
|
|---|
| 5345 | #elif K_ARCH == K_ARCH_X86_32
|
|---|
| 5346 | /* x86 (see _tmainCRTStartup) */
|
|---|
| 5347 | *(KUPTR *)&pfnWin32Entrypoint = pTool->u.Sandboxed.uMainAddr;
|
|---|
| 5348 | __try
|
|---|
| 5349 | {
|
|---|
| 5350 | pSandbox->pOutXcptListHead = pTib->ExceptionList;
|
|---|
| 5351 | if (setjmp(pSandbox->JmpBuf) == 0)
|
|---|
| 5352 | {
|
|---|
| 5353 | //*(KU64*)(pSandbox->JmpBuf) = 0; /** @todo find other way to prevent longjmp from doing unwind! */
|
|---|
| 5354 | pSandbox->fRunning = K_TRUE;
|
|---|
| 5355 | rcExit = pfnWin32Entrypoint(kwSandboxGetProcessEnvironmentBlock());
|
|---|
| 5356 | pSandbox->fRunning = K_FALSE;
|
|---|
| 5357 | }
|
|---|
| 5358 | else
|
|---|
| 5359 | rcExit = pSandbox->rcExitCode;
|
|---|
| 5360 | }
|
|---|
| 5361 | #endif
|
|---|
| 5362 | __except (EXCEPTION_EXECUTE_HANDLER)
|
|---|
| 5363 | {
|
|---|
| 5364 | rcExit = 512;
|
|---|
| 5365 | }
|
|---|
| 5366 | pSandbox->fRunning = K_FALSE;
|
|---|
| 5367 |
|
|---|
| 5368 | /* Now, restore the NT TIB. */
|
|---|
| 5369 | *pTib = pSandbox->TibMainThread;
|
|---|
| 5370 | }
|
|---|
| 5371 | else
|
|---|
| 5372 | rcExit = 42 + 4;
|
|---|
| 5373 |
|
|---|
| 5374 | kwSandboxCleanup(&g_Sandbox);
|
|---|
| 5375 | }
|
|---|
| 5376 | else
|
|---|
| 5377 | rcExit = 42 + 3;
|
|---|
| 5378 |
|
|---|
| 5379 | return rcExit;
|
|---|
| 5380 | }
|
|---|
| 5381 |
|
|---|
| 5382 |
|
|---|
| 5383 | /**
|
|---|
| 5384 | * Part 2 of the "JOB" command handler.
|
|---|
| 5385 | *
|
|---|
| 5386 | * @returns The exit code of the job.
|
|---|
| 5387 | * @param pszExecutable The executable to execute.
|
|---|
| 5388 | * @param pszCwd The current working directory of the job.
|
|---|
| 5389 | * @param cArgs The number of arguments.
|
|---|
| 5390 | * @param papszArgs The argument vector.
|
|---|
| 5391 | * @param fWatcomBrainDamange Whether to apply watcom rules while quoting.
|
|---|
| 5392 | * @param cEnvVars The number of environment variables.
|
|---|
| 5393 | * @param papszEnvVars The enviornment vector.
|
|---|
| 5394 | */
|
|---|
| 5395 | static int kSubmitHandleJobUnpacked(const char *pszExecutable, const char *pszCwd,
|
|---|
| 5396 | KU32 cArgs, const char **papszArgs, KBOOL fWatcomBrainDamange,
|
|---|
| 5397 | KU32 cEnvVars, const char **papszEnvVars)
|
|---|
| 5398 | {
|
|---|
| 5399 | int rcExit;
|
|---|
| 5400 | PKWTOOL pTool;
|
|---|
| 5401 |
|
|---|
| 5402 | /*
|
|---|
| 5403 | * Lookup the tool.
|
|---|
| 5404 | */
|
|---|
| 5405 | pTool = kwToolLookup(pszExecutable);
|
|---|
| 5406 | if (pTool)
|
|---|
| 5407 | {
|
|---|
| 5408 | /*
|
|---|
| 5409 | * Change the directory if we're going to execute the job inside
|
|---|
| 5410 | * this process. Then invoke the tool type specific handler.
|
|---|
| 5411 | */
|
|---|
| 5412 | switch (pTool->enmType)
|
|---|
| 5413 | {
|
|---|
| 5414 | case KWTOOLTYPE_SANDBOXED:
|
|---|
| 5415 | case KWTOOLTYPE_WATCOM:
|
|---|
| 5416 | {
|
|---|
| 5417 | /* Change dir. */
|
|---|
| 5418 | KFSLOOKUPERROR enmError;
|
|---|
| 5419 | PKFSOBJ pNewCurDir = kFsCacheLookupA(g_pFsCache, pszCwd, &enmError);
|
|---|
| 5420 | if ( pNewCurDir == g_pCurDirObj
|
|---|
| 5421 | && pNewCurDir->bObjType == KFSOBJ_TYPE_DIR)
|
|---|
| 5422 | kFsCacheObjRelease(g_pFsCache, pNewCurDir);
|
|---|
| 5423 | else if (SetCurrentDirectoryA(pszCwd))
|
|---|
| 5424 | {
|
|---|
| 5425 | kFsCacheObjRelease(g_pFsCache, g_pCurDirObj);
|
|---|
| 5426 | g_pCurDirObj = pNewCurDir;
|
|---|
| 5427 | }
|
|---|
| 5428 | else
|
|---|
| 5429 | {
|
|---|
| 5430 | kwErrPrintf("SetCurrentDirectory failed with %u on '%s'\n", GetLastError(), pszCwd);
|
|---|
| 5431 | kFsCacheObjRelease(g_pFsCache, pNewCurDir);
|
|---|
| 5432 | rcExit = 42 + 1;
|
|---|
| 5433 | break;
|
|---|
| 5434 | }
|
|---|
| 5435 |
|
|---|
| 5436 | /* Call specific handler. */
|
|---|
| 5437 | if (pTool->enmType == KWTOOLTYPE_SANDBOXED)
|
|---|
| 5438 | {
|
|---|
| 5439 | KW_LOG(("Sandboxing tool %s\n", pTool->pszPath));
|
|---|
| 5440 | rcExit = kwSandboxExec(&g_Sandbox, pTool, cArgs, papszArgs, fWatcomBrainDamange, cEnvVars, papszEnvVars);
|
|---|
| 5441 | }
|
|---|
| 5442 | else
|
|---|
| 5443 | {
|
|---|
| 5444 | kwErrPrintf("TODO: Watcom style tool %s\n", pTool->pszPath);
|
|---|
| 5445 | rcExit = 42 + 2;
|
|---|
| 5446 | }
|
|---|
| 5447 | break;
|
|---|
| 5448 | }
|
|---|
| 5449 |
|
|---|
| 5450 | case KWTOOLTYPE_EXEC:
|
|---|
| 5451 | kwErrPrintf("TODO: Direct exec tool %s\n", pTool->pszPath);
|
|---|
| 5452 | rcExit = 42 + 2;
|
|---|
| 5453 | break;
|
|---|
| 5454 |
|
|---|
| 5455 | default:
|
|---|
| 5456 | kHlpAssertFailed();
|
|---|
| 5457 | kwErrPrintf("Internal tool type corruption!!\n");
|
|---|
| 5458 | rcExit = 42 + 2;
|
|---|
| 5459 | g_fRestart = K_TRUE;
|
|---|
| 5460 | break;
|
|---|
| 5461 | }
|
|---|
| 5462 | }
|
|---|
| 5463 | else
|
|---|
| 5464 | rcExit = 42 + 1;
|
|---|
| 5465 | return rcExit;
|
|---|
| 5466 | }
|
|---|
| 5467 |
|
|---|
| 5468 |
|
|---|
| 5469 | /**
|
|---|
| 5470 | * Handles a "JOB" command.
|
|---|
| 5471 | *
|
|---|
| 5472 | * @returns The exit code of the job.
|
|---|
| 5473 | * @param pszMsg Points to the "JOB" command part of the message.
|
|---|
| 5474 | * @param cbMsg Number of message bytes at @a pszMsg. There are
|
|---|
| 5475 | * 4 more zero bytes after the message body to
|
|---|
| 5476 | * simplify parsing.
|
|---|
| 5477 | */
|
|---|
| 5478 | static int kSubmitHandleJob(const char *pszMsg, KSIZE cbMsg)
|
|---|
| 5479 | {
|
|---|
| 5480 | int rcExit = 42;
|
|---|
| 5481 |
|
|---|
| 5482 | /*
|
|---|
| 5483 | * Unpack the message.
|
|---|
| 5484 | */
|
|---|
| 5485 | const char *pszExecutable;
|
|---|
| 5486 | size_t cbTmp;
|
|---|
| 5487 |
|
|---|
| 5488 | pszMsg += sizeof("JOB");
|
|---|
| 5489 | cbMsg -= sizeof("JOB");
|
|---|
| 5490 |
|
|---|
| 5491 | /* Executable name. */
|
|---|
| 5492 | pszExecutable = pszMsg;
|
|---|
| 5493 | cbTmp = strlen(pszMsg) + 1;
|
|---|
| 5494 | pszMsg += cbTmp;
|
|---|
| 5495 | if ( cbTmp < cbMsg
|
|---|
| 5496 | && cbTmp > 2)
|
|---|
| 5497 | {
|
|---|
| 5498 | const char *pszCwd;
|
|---|
| 5499 | cbMsg -= cbTmp;
|
|---|
| 5500 |
|
|---|
| 5501 | /* Current working directory. */
|
|---|
| 5502 | pszCwd = pszMsg;
|
|---|
| 5503 | cbTmp = strlen(pszMsg) + 1;
|
|---|
| 5504 | pszMsg += cbTmp;
|
|---|
| 5505 | if ( cbTmp + sizeof(KU32) < cbMsg
|
|---|
| 5506 | && cbTmp >= 2)
|
|---|
| 5507 | {
|
|---|
| 5508 | KU32 cArgs;
|
|---|
| 5509 | cbMsg -= cbTmp;
|
|---|
| 5510 |
|
|---|
| 5511 | /* Argument count. */
|
|---|
| 5512 | kHlpMemCopy(&cArgs, pszMsg, sizeof(cArgs));
|
|---|
| 5513 | pszMsg += sizeof(cArgs);
|
|---|
| 5514 | cbMsg -= sizeof(cArgs);
|
|---|
| 5515 |
|
|---|
| 5516 | if (cArgs > 0 && cArgs < 4096)
|
|---|
| 5517 | {
|
|---|
| 5518 | /* The argument vector. */
|
|---|
| 5519 | char const **papszArgs = kHlpAlloc((cArgs + 1) * sizeof(papszArgs[0]));
|
|---|
| 5520 | if (papszArgs)
|
|---|
| 5521 | {
|
|---|
| 5522 | KU32 i;
|
|---|
| 5523 | for (i = 0; i < cArgs; i++)
|
|---|
| 5524 | {
|
|---|
| 5525 | papszArgs[i] = pszMsg + 1; /* First byte is expansion flags for MSC & EMX. */
|
|---|
| 5526 | cbTmp = 1 + strlen(pszMsg + 1) + 1;
|
|---|
| 5527 | pszMsg += cbTmp;
|
|---|
| 5528 | if (cbTmp < cbMsg)
|
|---|
| 5529 | cbMsg -= cbTmp;
|
|---|
| 5530 | else
|
|---|
| 5531 | {
|
|---|
| 5532 | cbMsg = 0;
|
|---|
| 5533 | break;
|
|---|
| 5534 | }
|
|---|
| 5535 |
|
|---|
| 5536 | }
|
|---|
| 5537 | papszArgs[cArgs] = 0;
|
|---|
| 5538 |
|
|---|
| 5539 | /* Environment variable count. */
|
|---|
| 5540 | if (cbMsg > sizeof(KU32))
|
|---|
| 5541 | {
|
|---|
| 5542 | KU32 cEnvVars;
|
|---|
| 5543 | kHlpMemCopy(&cEnvVars, pszMsg, sizeof(cEnvVars));
|
|---|
| 5544 | pszMsg += sizeof(cEnvVars);
|
|---|
| 5545 | cbMsg -= sizeof(cEnvVars);
|
|---|
| 5546 |
|
|---|
| 5547 | if (cEnvVars >= 0 && cEnvVars < 4096)
|
|---|
| 5548 | {
|
|---|
| 5549 | /* The argument vector. */
|
|---|
| 5550 | char const **papszEnvVars = kHlpAlloc((cEnvVars + 1) * sizeof(papszEnvVars[0]));
|
|---|
| 5551 | if (papszEnvVars)
|
|---|
| 5552 | {
|
|---|
| 5553 | KU32 i;
|
|---|
| 5554 | for (i = 0; i < cEnvVars; i++)
|
|---|
| 5555 | {
|
|---|
| 5556 | papszEnvVars[i] = pszMsg;
|
|---|
| 5557 | cbTmp = strlen(pszMsg) + 1;
|
|---|
| 5558 | pszMsg += cbTmp;
|
|---|
| 5559 | if (cbTmp < cbMsg)
|
|---|
| 5560 | cbMsg -= cbTmp;
|
|---|
| 5561 | else
|
|---|
| 5562 | {
|
|---|
| 5563 | cbMsg = 0;
|
|---|
| 5564 | break;
|
|---|
| 5565 | }
|
|---|
| 5566 | }
|
|---|
| 5567 | papszEnvVars[cEnvVars] = 0;
|
|---|
| 5568 | if (cbMsg >= sizeof(KU8))
|
|---|
| 5569 | {
|
|---|
| 5570 | KBOOL fWatcomBrainDamange = *pszMsg++;
|
|---|
| 5571 | cbMsg--;
|
|---|
| 5572 | if (cbMsg == 0)
|
|---|
| 5573 | {
|
|---|
| 5574 | /*
|
|---|
| 5575 | * The next step.
|
|---|
| 5576 | */
|
|---|
| 5577 | rcExit = kSubmitHandleJobUnpacked(pszExecutable, pszCwd,
|
|---|
| 5578 | cArgs, papszArgs, fWatcomBrainDamange,
|
|---|
| 5579 | cEnvVars, papszEnvVars);
|
|---|
| 5580 | }
|
|---|
| 5581 | else
|
|---|
| 5582 | kwErrPrintf("Message has %u bytes unknown trailing bytes\n", cbMsg);
|
|---|
| 5583 | }
|
|---|
| 5584 | else
|
|---|
| 5585 | kwErrPrintf("Detected bogus message unpacking environment variables!\n");
|
|---|
| 5586 | kHlpFree((void *)papszEnvVars);
|
|---|
| 5587 | }
|
|---|
| 5588 | else
|
|---|
| 5589 | kwErrPrintf("Error allocating papszEnvVars for %u variables\n", cEnvVars);
|
|---|
| 5590 | }
|
|---|
| 5591 | else
|
|---|
| 5592 | kwErrPrintf("Bogus environment variable count: %u (%#x)\n", cEnvVars, cEnvVars);
|
|---|
| 5593 | }
|
|---|
| 5594 | else
|
|---|
| 5595 | kwErrPrintf("Detected bogus message unpacking arguments and environment variable count!\n");
|
|---|
| 5596 | kHlpFree((void *)papszArgs);
|
|---|
| 5597 | }
|
|---|
| 5598 | else
|
|---|
| 5599 | kwErrPrintf("Error allocating argv for %u arguments\n", cArgs);
|
|---|
| 5600 | }
|
|---|
| 5601 | else
|
|---|
| 5602 | kwErrPrintf("Bogus argument count: %u (%#x)\n", cArgs, cArgs);
|
|---|
| 5603 | }
|
|---|
| 5604 | else
|
|---|
| 5605 | kwErrPrintf("Detected bogus message unpacking CWD path and argument count!\n");
|
|---|
| 5606 | }
|
|---|
| 5607 | else
|
|---|
| 5608 | kwErrPrintf("Detected bogus message unpacking executable path!\n");
|
|---|
| 5609 | return rcExit;
|
|---|
| 5610 | }
|
|---|
| 5611 |
|
|---|
| 5612 |
|
|---|
| 5613 | /**
|
|---|
| 5614 | * Wrapper around WriteFile / write that writes the whole @a cbToWrite.
|
|---|
| 5615 | *
|
|---|
| 5616 | * @retval 0 on success.
|
|---|
| 5617 | * @retval -1 on error (fully bitched).
|
|---|
| 5618 | *
|
|---|
| 5619 | * @param hPipe The pipe handle.
|
|---|
| 5620 | * @param pvBuf The buffer to write out out.
|
|---|
| 5621 | * @param cbToWrite The number of bytes to write.
|
|---|
| 5622 | */
|
|---|
| 5623 | static int kSubmitWriteIt(HANDLE hPipe, const void *pvBuf, KU32 cbToWrite)
|
|---|
| 5624 | {
|
|---|
| 5625 | KU8 const *pbBuf = (KU8 const *)pvBuf;
|
|---|
| 5626 | KU32 cbLeft = cbToWrite;
|
|---|
| 5627 | for (;;)
|
|---|
| 5628 | {
|
|---|
| 5629 | DWORD cbActuallyWritten = 0;
|
|---|
| 5630 | if (WriteFile(hPipe, pbBuf, cbLeft, &cbActuallyWritten, NULL /*pOverlapped*/))
|
|---|
| 5631 | {
|
|---|
| 5632 | cbLeft -= cbActuallyWritten;
|
|---|
| 5633 | if (!cbLeft)
|
|---|
| 5634 | return 0;
|
|---|
| 5635 | pbBuf += cbActuallyWritten;
|
|---|
| 5636 | }
|
|---|
| 5637 | else
|
|---|
| 5638 | {
|
|---|
| 5639 | DWORD dwErr = GetLastError();
|
|---|
| 5640 | if (cbLeft == cbToWrite)
|
|---|
| 5641 | kwErrPrintf("WriteFile failed: %u\n", dwErr);
|
|---|
| 5642 | else
|
|---|
| 5643 | kwErrPrintf("WriteFile failed %u byte(s) in: %u\n", cbToWrite - cbLeft, dwErr);
|
|---|
| 5644 | return -1;
|
|---|
| 5645 | }
|
|---|
| 5646 | }
|
|---|
| 5647 | }
|
|---|
| 5648 |
|
|---|
| 5649 |
|
|---|
| 5650 | /**
|
|---|
| 5651 | * Wrapper around ReadFile / read that reads the whole @a cbToRead.
|
|---|
| 5652 | *
|
|---|
| 5653 | * @retval 0 on success.
|
|---|
| 5654 | * @retval 1 on shut down (fShutdownOkay must be K_TRUE).
|
|---|
| 5655 | * @retval -1 on error (fully bitched).
|
|---|
| 5656 | * @param hPipe The pipe handle.
|
|---|
| 5657 | * @param pvBuf The buffer to read into.
|
|---|
| 5658 | * @param cbToRead The number of bytes to read.
|
|---|
| 5659 | * @param fShutdownOkay Whether connection shutdown while reading the
|
|---|
| 5660 | * first byte is okay or not.
|
|---|
| 5661 | */
|
|---|
| 5662 | static int kSubmitReadIt(HANDLE hPipe, void *pvBuf, KU32 cbToRead, KBOOL fMayShutdown)
|
|---|
| 5663 | {
|
|---|
| 5664 | KU8 *pbBuf = (KU8 *)pvBuf;
|
|---|
| 5665 | KU32 cbLeft = cbToRead;
|
|---|
| 5666 | for (;;)
|
|---|
| 5667 | {
|
|---|
| 5668 | DWORD cbActuallyRead = 0;
|
|---|
| 5669 | if (ReadFile(hPipe, pbBuf, cbLeft, &cbActuallyRead, NULL /*pOverlapped*/))
|
|---|
| 5670 | {
|
|---|
| 5671 | cbLeft -= cbActuallyRead;
|
|---|
| 5672 | if (!cbLeft)
|
|---|
| 5673 | return 0;
|
|---|
| 5674 | pbBuf += cbActuallyRead;
|
|---|
| 5675 | }
|
|---|
| 5676 | else
|
|---|
| 5677 | {
|
|---|
| 5678 | DWORD dwErr = GetLastError();
|
|---|
| 5679 | if (cbLeft == cbToRead)
|
|---|
| 5680 | {
|
|---|
| 5681 | if ( fMayShutdown
|
|---|
| 5682 | && dwErr == ERROR_BROKEN_PIPE)
|
|---|
| 5683 | return 1;
|
|---|
| 5684 | kwErrPrintf("ReadFile failed: %u\n", dwErr);
|
|---|
| 5685 | }
|
|---|
| 5686 | else
|
|---|
| 5687 | kwErrPrintf("ReadFile failed %u byte(s) in: %u\n", cbToRead - cbLeft, dwErr);
|
|---|
| 5688 | return -1;
|
|---|
| 5689 | }
|
|---|
| 5690 | }
|
|---|
| 5691 | }
|
|---|
| 5692 |
|
|---|
| 5693 |
|
|---|
| 5694 | /**
|
|---|
| 5695 | * Handles what comes after --test.
|
|---|
| 5696 | *
|
|---|
| 5697 | * @returns Exit code.
|
|---|
| 5698 | * @param argc Number of arguments after --test.
|
|---|
| 5699 | * @param argv Arguments after --test.
|
|---|
| 5700 | */
|
|---|
| 5701 | static int kwTestRun(int argc, char **argv)
|
|---|
| 5702 | {
|
|---|
| 5703 | int i;
|
|---|
| 5704 | int j;
|
|---|
| 5705 | int rcExit;
|
|---|
| 5706 | int cRepeats;
|
|---|
| 5707 | char szCwd[MAX_PATH];
|
|---|
| 5708 | const char *pszCwd = getcwd(szCwd, sizeof(szCwd));
|
|---|
| 5709 | KU32 cEnvVars;
|
|---|
| 5710 | KBOOL fWatcomBrainDamange = K_FALSE;
|
|---|
| 5711 |
|
|---|
| 5712 | /*
|
|---|
| 5713 | * Parse arguments.
|
|---|
| 5714 | */
|
|---|
| 5715 | /* Repeat count. */
|
|---|
| 5716 | i = 0;
|
|---|
| 5717 | if (i >= argc)
|
|---|
| 5718 | return kwErrPrintfRc(2, "--test takes an repeat count argument or '--'!\n");
|
|---|
| 5719 | if (strcmp(argv[i], "--") != 0)
|
|---|
| 5720 | {
|
|---|
| 5721 | cRepeats = atoi(argv[i]);
|
|---|
| 5722 | if (cRepeats <= 0)
|
|---|
| 5723 | return kwErrPrintfRc(2, "The repeat count '%s' is zero, negative or invalid!\n", argv[i]);
|
|---|
| 5724 | i++;
|
|---|
| 5725 |
|
|---|
| 5726 | /* Optional directory change. */
|
|---|
| 5727 | if ( i < argc
|
|---|
| 5728 | && strcmp(argv[i], "--chdir") == 0)
|
|---|
| 5729 | {
|
|---|
| 5730 | i++;
|
|---|
| 5731 | if (i >= argc)
|
|---|
| 5732 | return kwErrPrintfRc(2, "--chdir takes an argument!\n");
|
|---|
| 5733 | pszCwd = argv[i++];
|
|---|
| 5734 | }
|
|---|
| 5735 |
|
|---|
| 5736 | /* Optional watcom flag directory change. */
|
|---|
| 5737 | if ( i < argc
|
|---|
| 5738 | && ( strcmp(argv[i], "--wcc-brain-damage") == 0
|
|---|
| 5739 | || strcmp(argv[i], "--watcom-brain-damage") == 0) )
|
|---|
| 5740 | {
|
|---|
| 5741 | fWatcomBrainDamange = K_TRUE;
|
|---|
| 5742 | i++;
|
|---|
| 5743 | }
|
|---|
| 5744 |
|
|---|
| 5745 | /* Check for '--'. */
|
|---|
| 5746 | if (i >= argc)
|
|---|
| 5747 | return kwErrPrintfRc(2, "Missing '--'\n");
|
|---|
| 5748 | if (strcmp(argv[i], "--") != 0)
|
|---|
| 5749 | return kwErrPrintfRc(2, "Expected '--' found '%s'\n", argv[i]);
|
|---|
| 5750 | i++;
|
|---|
| 5751 | }
|
|---|
| 5752 | else
|
|---|
| 5753 | {
|
|---|
| 5754 | cRepeats = 1;
|
|---|
| 5755 | i++;
|
|---|
| 5756 | }
|
|---|
| 5757 | if (i >= argc)
|
|---|
| 5758 | return kwErrPrintfRc(2, "Nothing to execute after '--'!\n");
|
|---|
| 5759 |
|
|---|
| 5760 | /*
|
|---|
| 5761 | * Do the job.
|
|---|
| 5762 | */
|
|---|
| 5763 | cEnvVars = 0;
|
|---|
| 5764 | while (environ[cEnvVars] != NULL)
|
|---|
| 5765 | cEnvVars++;
|
|---|
| 5766 |
|
|---|
| 5767 | for (j = 0; j < cRepeats; j++)
|
|---|
| 5768 | {
|
|---|
| 5769 | rcExit = kSubmitHandleJobUnpacked(argv[i], pszCwd,
|
|---|
| 5770 | argc - i, &argv[i], fWatcomBrainDamange,
|
|---|
| 5771 | cEnvVars, environ);
|
|---|
| 5772 | KW_LOG(("rcExit=%d\n", rcExit));
|
|---|
| 5773 | }
|
|---|
| 5774 |
|
|---|
| 5775 | return rcExit;
|
|---|
| 5776 | }
|
|---|
| 5777 |
|
|---|
| 5778 | #if 1
|
|---|
| 5779 |
|
|---|
| 5780 | int main(int argc, char **argv)
|
|---|
| 5781 | {
|
|---|
| 5782 | KSIZE cbMsgBuf = 0;
|
|---|
| 5783 | KU8 *pbMsgBuf = NULL;
|
|---|
| 5784 | int i;
|
|---|
| 5785 | HANDLE hPipe = INVALID_HANDLE_VALUE;
|
|---|
| 5786 | const char *pszTmp;
|
|---|
| 5787 | KFSLOOKUPERROR enmIgnored;
|
|---|
| 5788 | #if defined(KBUILD_OS_WINDOWS) && defined(KBUILD_ARCH_X86)
|
|---|
| 5789 | PVOID pvVecXcptHandler = AddVectoredExceptionHandler(0 /*called last*/, kwSandboxVecXcptEmulateChained);
|
|---|
| 5790 | #endif
|
|---|
| 5791 |
|
|---|
| 5792 | /*
|
|---|
| 5793 | * Create the cache and mark the temporary directory as using the custom revision.
|
|---|
| 5794 | */
|
|---|
| 5795 | g_pFsCache = kFsCacheCreate(KFSCACHE_F_MISSING_OBJECTS | KFSCACHE_F_MISSING_PATHS);
|
|---|
| 5796 | if (!g_pFsCache)
|
|---|
| 5797 | return kwErrPrintfRc(3, "kFsCacheCreate failed!\n");
|
|---|
| 5798 |
|
|---|
| 5799 | pszTmp = getenv("TEMP");
|
|---|
| 5800 | if (pszTmp && *pszTmp != '\0')
|
|---|
| 5801 | kFsCacheSetupCustomRevisionForTree(g_pFsCache, kFsCacheLookupA(g_pFsCache, pszTmp, &enmIgnored));
|
|---|
| 5802 | pszTmp = getenv("TMP");
|
|---|
| 5803 | if (pszTmp && *pszTmp != '\0')
|
|---|
| 5804 | kFsCacheSetupCustomRevisionForTree(g_pFsCache, kFsCacheLookupA(g_pFsCache, pszTmp, &enmIgnored));
|
|---|
| 5805 | pszTmp = getenv("TMPDIR");
|
|---|
| 5806 | if (pszTmp && *pszTmp != '\0')
|
|---|
| 5807 | kFsCacheSetupCustomRevisionForTree(g_pFsCache, kFsCacheLookupA(g_pFsCache, pszTmp, &enmIgnored));
|
|---|
| 5808 |
|
|---|
| 5809 | /*
|
|---|
| 5810 | * Parse arguments.
|
|---|
| 5811 | */
|
|---|
| 5812 | for (i = 1; i < argc; i++)
|
|---|
| 5813 | {
|
|---|
| 5814 | if (strcmp(argv[i], "--pipe") == 0)
|
|---|
| 5815 | {
|
|---|
| 5816 | i++;
|
|---|
| 5817 | if (i < argc)
|
|---|
| 5818 | {
|
|---|
| 5819 | char *pszEnd = NULL;
|
|---|
| 5820 | unsigned __int64 u64Value = _strtoui64(argv[i], &pszEnd, 16);
|
|---|
| 5821 | if ( *argv[i]
|
|---|
| 5822 | && pszEnd != NULL
|
|---|
| 5823 | && *pszEnd == '\0'
|
|---|
| 5824 | && u64Value != 0
|
|---|
| 5825 | && u64Value != (uintptr_t)INVALID_HANDLE_VALUE
|
|---|
| 5826 | && (uintptr_t)u64Value == u64Value)
|
|---|
| 5827 | hPipe = (HANDLE)(uintptr_t)u64Value;
|
|---|
| 5828 | else
|
|---|
| 5829 | return kwErrPrintfRc(2, "Invalid --pipe argument: %s\n", argv[i]);
|
|---|
| 5830 | }
|
|---|
| 5831 | else
|
|---|
| 5832 | return kwErrPrintfRc(2, "--pipe takes an argument!\n");
|
|---|
| 5833 | }
|
|---|
| 5834 | else if (strcmp(argv[i], "--volatile") == 0)
|
|---|
| 5835 | {
|
|---|
| 5836 | i++;
|
|---|
| 5837 | if (i < argc)
|
|---|
| 5838 | kFsCacheSetupCustomRevisionForTree(g_pFsCache, kFsCacheLookupA(g_pFsCache, argv[i], &enmIgnored));
|
|---|
| 5839 | else
|
|---|
| 5840 | return kwErrPrintfRc(2, "--volatile takes an argument!\n");
|
|---|
| 5841 | }
|
|---|
| 5842 | else if (strcmp(argv[i], "--test") == 0)
|
|---|
| 5843 | return kwTestRun(argc - i - 1, &argv[i + 1]);
|
|---|
| 5844 | else if ( strcmp(argv[i], "--help") == 0
|
|---|
| 5845 | || strcmp(argv[i], "-h") == 0
|
|---|
| 5846 | || strcmp(argv[i], "-?") == 0)
|
|---|
| 5847 | {
|
|---|
| 5848 | printf("usage: kWorker [--volatile dir] --pipe <pipe-handle>\n"
|
|---|
| 5849 | "usage: kWorker <--help|-h>\n"
|
|---|
| 5850 | "usage: kWorker <--version|-V>\n"
|
|---|
| 5851 | "usage: kWorker [--volatile dir] --test [<times> [--chdir <dir>]] -- args\n"
|
|---|
| 5852 | "\n"
|
|---|
| 5853 | "This is an internal kmk program that is used via the builtin_kSubmit.\n");
|
|---|
| 5854 | return 0;
|
|---|
| 5855 | }
|
|---|
| 5856 | else if ( strcmp(argv[i], "--version") == 0
|
|---|
| 5857 | || strcmp(argv[i], "-V") == 0)
|
|---|
| 5858 | return kbuild_version(argv[0]);
|
|---|
| 5859 | else
|
|---|
| 5860 | return kwErrPrintfRc(2, "Unknown argument '%s'\n", argv[i]);
|
|---|
| 5861 | }
|
|---|
| 5862 |
|
|---|
| 5863 | if (hPipe == INVALID_HANDLE_VALUE)
|
|---|
| 5864 | return kwErrPrintfRc(2, "Missing --pipe <pipe-handle> argument!\n");
|
|---|
| 5865 |
|
|---|
| 5866 | /*
|
|---|
| 5867 | * Serve the pipe.
|
|---|
| 5868 | */
|
|---|
| 5869 | for (;;)
|
|---|
| 5870 | {
|
|---|
| 5871 | KU32 cbMsg = 0;
|
|---|
| 5872 | int rc = kSubmitReadIt(hPipe, &cbMsg, sizeof(cbMsg), K_TRUE /*fShutdownOkay*/);
|
|---|
| 5873 | if (rc == 0)
|
|---|
| 5874 | {
|
|---|
| 5875 | /* Make sure the message length is within sane bounds. */
|
|---|
| 5876 | if ( cbMsg > 4
|
|---|
| 5877 | && cbMsg <= 256*1024*1024)
|
|---|
| 5878 | {
|
|---|
| 5879 | /* Reallocate the message buffer if necessary. We add 4 zero bytes. */
|
|---|
| 5880 | if (cbMsg + 4 <= cbMsgBuf)
|
|---|
| 5881 | { /* likely */ }
|
|---|
| 5882 | else
|
|---|
| 5883 | {
|
|---|
| 5884 | cbMsgBuf = K_ALIGN_Z(cbMsg + 4, 2048);
|
|---|
| 5885 | pbMsgBuf = kHlpRealloc(pbMsgBuf, cbMsgBuf);
|
|---|
| 5886 | if (!pbMsgBuf)
|
|---|
| 5887 | return kwErrPrintfRc(1, "Failed to allocate %u bytes for a message buffer!\n", cbMsgBuf);
|
|---|
| 5888 | }
|
|---|
| 5889 |
|
|---|
| 5890 | /* Read the whole message into the buffer, making sure there is are a 4 zero bytes following it. */
|
|---|
| 5891 | *(KU32 *)pbMsgBuf = cbMsg;
|
|---|
| 5892 | rc = kSubmitReadIt(hPipe, &pbMsgBuf[sizeof(cbMsg)], cbMsg - sizeof(cbMsg), K_FALSE /*fShutdownOkay*/);
|
|---|
| 5893 | if (rc == 0)
|
|---|
| 5894 | {
|
|---|
| 5895 | const char *psz;
|
|---|
| 5896 |
|
|---|
| 5897 | pbMsgBuf[cbMsg] = '\0';
|
|---|
| 5898 | pbMsgBuf[cbMsg + 1] = '\0';
|
|---|
| 5899 | pbMsgBuf[cbMsg + 2] = '\0';
|
|---|
| 5900 | pbMsgBuf[cbMsg + 3] = '\0';
|
|---|
| 5901 |
|
|---|
| 5902 | /* The first string after the header is the command. */
|
|---|
| 5903 | psz = (const char *)&pbMsgBuf[sizeof(cbMsg)];
|
|---|
| 5904 | if (strcmp(psz, "JOB") == 0)
|
|---|
| 5905 | {
|
|---|
| 5906 | struct
|
|---|
| 5907 | {
|
|---|
| 5908 | KI32 rcExitCode;
|
|---|
| 5909 | KU8 bExiting;
|
|---|
| 5910 | KU8 abZero[3];
|
|---|
| 5911 | } Reply;
|
|---|
| 5912 | Reply.rcExitCode = kSubmitHandleJob(psz, cbMsg - sizeof(cbMsg));
|
|---|
| 5913 | Reply.bExiting = g_fRestart;
|
|---|
| 5914 | Reply.abZero[0] = 0;
|
|---|
| 5915 | Reply.abZero[1] = 0;
|
|---|
| 5916 | Reply.abZero[2] = 0;
|
|---|
| 5917 | rc = kSubmitWriteIt(hPipe, &Reply, sizeof(Reply));
|
|---|
| 5918 | if ( rc == 0
|
|---|
| 5919 | && !g_fRestart)
|
|---|
| 5920 | continue;
|
|---|
| 5921 | }
|
|---|
| 5922 | else
|
|---|
| 5923 | rc = kwErrPrintfRc(-1, "Unknown command: '%s'\n", psz);
|
|---|
| 5924 | }
|
|---|
| 5925 | }
|
|---|
| 5926 | else
|
|---|
| 5927 | rc = kwErrPrintfRc(-1, "Bogus message length: %u (%#x)\n", cbMsg, cbMsg);
|
|---|
| 5928 | }
|
|---|
| 5929 | return rc > 0 ? 0 : 1;
|
|---|
| 5930 | }
|
|---|
| 5931 | }
|
|---|
| 5932 |
|
|---|
| 5933 | #else
|
|---|
| 5934 |
|
|---|
| 5935 | static int kwExecCmdLine(const char *pszExe, const char *pszCmdLine)
|
|---|
| 5936 | {
|
|---|
| 5937 | int rc;
|
|---|
| 5938 | PKWTOOL pTool = kwToolLookup(pszExe);
|
|---|
| 5939 | if (pTool)
|
|---|
| 5940 | {
|
|---|
| 5941 | int rcExitCode;
|
|---|
| 5942 | switch (pTool->enmType)
|
|---|
| 5943 | {
|
|---|
| 5944 | case KWTOOLTYPE_SANDBOXED:
|
|---|
| 5945 | KW_LOG(("Sandboxing tool %s\n", pTool->pszPath));
|
|---|
| 5946 | rc = kwSandboxExec(&g_Sandbox, pTool, pszCmdLine, &rcExitCode);
|
|---|
| 5947 | break;
|
|---|
| 5948 | default:
|
|---|
| 5949 | kHlpAssertFailed();
|
|---|
| 5950 | KW_LOG(("TODO: Direct exec tool %s\n", pTool->pszPath));
|
|---|
| 5951 | rc = rcExitCode = 2;
|
|---|
| 5952 | break;
|
|---|
| 5953 | }
|
|---|
| 5954 | KW_LOG(("rcExitCode=%d (rc=%d)\n", rcExitCode, rc));
|
|---|
| 5955 | }
|
|---|
| 5956 | else
|
|---|
| 5957 | rc = 1;
|
|---|
| 5958 | return rc;
|
|---|
| 5959 | }
|
|---|
| 5960 |
|
|---|
| 5961 | int main(int argc, char **argv)
|
|---|
| 5962 | {
|
|---|
| 5963 | int rc = 0;
|
|---|
| 5964 | int i;
|
|---|
| 5965 | argv[2] = "\"E:/vbox/svn/trunk/tools/win.x86/vcc/v10sp1/bin/amd64/cl.exe\" -c -c -TP -nologo -Zi -Zi -Zl -GR- -EHsc -GF -Zc:wchar_t- -Oy- -MT -W4 -Wall -wd4065 -wd4996 -wd4127 -wd4706 -wd4201 -wd4214 -wd4510 -wd4512 -wd4610 -wd4514 -wd4820 -wd4365 -wd4987 -wd4710 -wd4061 -wd4986 -wd4191 -wd4574 -wd4917 -wd4711 -wd4611 -wd4571 -wd4324 -wd4505 -wd4263 -wd4264 -wd4738 -wd4242 -wd4244 -WX -RTCsu -IE:/vbox/svn/trunk/tools/win.x86/vcc/v10sp1/include -IE:/vbox/svn/trunk/tools/win.x86/vcc/v10sp1/atlmfc/include -IE:/vbox/svn/trunk/tools/win.x86/sdk/v7.1/Include -IE:/vbox/svn/trunk/include -IE:/vbox/svn/trunk/out/win.amd64/debug -IE:/vbox/svn/trunk/tools/win.x86/vcc/v10sp1/include -IE:/vbox/svn/trunk/tools/win.x86/vcc/v10sp1/atlmfc/include -DVBOX -DVBOX_WITH_64_BITS_GUESTS -DVBOX_WITH_REM -DVBOX_WITH_RAW_MODE -DDEBUG -DDEBUG_bird -DDEBUG_USERNAME=bird -DRT_OS_WINDOWS -D__WIN__ -DRT_ARCH_AMD64 -D__AMD64__ -D__WIN64__ -DVBOX_WITH_DEBUGGER -DRT_LOCK_STRICT -DRT_LOCK_STRICT_ORDER -DIN_RING3 -DLOG_DISABLED -DIN_BLD_PROG -D_CRT_SECURE_NO_DEPRECATE -FdE:/vbox/svn/trunk/out/win.amd64/debug/obj/VBoxBs2Linker/VBoxBs2Linker-obj.pdb -FD -FoE:/vbox/svn/trunk/out/win.amd64/debug/obj/VBoxBs2Linker/VBoxBs2Linker.obj E:\\vbox\\svn\\trunk\\src\\VBox\\ValidationKit\\bootsectors\\VBoxBs2Linker.cpp";
|
|---|
| 5966 | # if 0
|
|---|
| 5967 | rc = kwExecCmdLine(argv[1], argv[2]);
|
|---|
| 5968 | rc = kwExecCmdLine(argv[1], argv[2]);
|
|---|
| 5969 | K_NOREF(i);
|
|---|
| 5970 | # else
|
|---|
| 5971 | // Skylake (W10/amd64, only stdandard MS defender):
|
|---|
| 5972 | // cmd 1: 48 /1024 = 0x0 (0.046875) [for /l %i in (1,1,1024) do ...]
|
|---|
| 5973 | // kmk 1: 44 /1024 = 0x0 (0.04296875) [all: ; 1024 x cl.exe]
|
|---|
| 5974 | // run 1: 37 /1024 = 0x0 (0.0361328125) [just process creation gain]
|
|---|
| 5975 | // run 2: 34 /1024 = 0x0 (0.033203125) [get file attribs]
|
|---|
| 5976 | // run 3: 32.77 /1024 = 0x0 (0.032001953125) [read caching of headers]
|
|---|
| 5977 | // run 4: 32.67 /1024 = 0x0 (0.031904296875) [loader tweaking]
|
|---|
| 5978 | // run 5: 29.144/1024 = 0x0 (0.0284609375) [with temp files in memory]
|
|---|
| 5979 | // Dell (W7/amd64, infected by mcafee):
|
|---|
| 5980 | // kmk 1: 285.278/1024 = 0x0 (0.278591796875)
|
|---|
| 5981 | // run 1: 134.503/1024 = 0x0 (0.1313505859375) [w/o temp files in memory]
|
|---|
| 5982 | // run 2: 78.161/1024 = 0x0 (0.0763291015625) [with temp files in memory]
|
|---|
| 5983 | g_cVerbose = 0;
|
|---|
| 5984 | for (i = 0; i < 1024 && rc == 0; i++)
|
|---|
| 5985 | rc = kwExecCmdLine(argv[1], argv[2]);
|
|---|
| 5986 | # endif
|
|---|
| 5987 | return rc;
|
|---|
| 5988 | }
|
|---|
| 5989 |
|
|---|
| 5990 | #endif
|
|---|
| 5991 |
|
|---|