| 1 | /* $Id: kWorker.c 2846 2016-08-30 12:48:33Z 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 <Windows.h>
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| 47 | #include <winternl.h>
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| 48 |
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| 49 |
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| 50 |
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| 51 | /*********************************************************************************************************************************
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| 52 | * Defined Constants And Macros *
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| 53 | *********************************************************************************************************************************/
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| 54 | /** Special KWFSOBJ::uCacheGen number indicating that it does not apply. */
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| 55 | #define KFSWOBJ_CACHE_GEN_IGNORE KU32_MAX
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| 56 |
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| 57 | /** String constant comma length. */
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| 58 | #define TUPLE(a_sz) a_sz, sizeof(a_sz) - 1
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| 59 |
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| 60 | /** @def KW_LOG
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| 61 | * Generic logging.
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| 62 | * @param a Argument list for kwDbgPrintf */
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| 63 | #ifndef NDEBUG
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| 64 | # define KW_LOG(a) kwDbgPrintf a
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| 65 | #else
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| 66 | # define KW_LOG(a) do { } while (0)
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| 67 | #endif
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| 68 |
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| 69 |
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| 70 | /** @def KWFS_LOG
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| 71 | * FS cache logging.
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| 72 | * @param a Argument list for kwDbgPrintf */
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| 73 | #ifndef NDEBUG
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| 74 | # define KWFS_LOG(a) kwDbgPrintf a
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| 75 | #else
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| 76 | # define KWFS_LOG(a) do { } while (0)
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| 77 | #endif
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| 78 |
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| 79 | /** Converts a windows handle to a handle table index.
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| 80 | * @note We currently just mask off the 31th bit, and do no shifting or anything
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| 81 | * else to create an index of the handle.
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| 82 | * @todo consider shifting by 2 or 3. */
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| 83 | #define KW_HANDLE_TO_INDEX(a_hHandle) ((KUPTR)(a_hHandle) & ~(KUPTR)KU32_C(0x8000000))
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| 84 | /** Maximum handle value we can deal with. */
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| 85 | #define KW_HANDLE_MAX 0x20000
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| 86 |
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| 87 | /** @def WITH_TEMP_MEMORY_FILES
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| 88 | * Enables temporary memory files for cl.exe. */
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| 89 | #define WITH_TEMP_MEMORY_FILES
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| 90 |
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| 91 | /** Max temporary file size (memory backed). */
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| 92 | #if K_ARCH_BITS >= 64
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| 93 | # define KWFS_TEMP_FILE_MAX (256*1024*1024)
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| 94 | #else
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| 95 | # define KWFS_TEMP_FILE_MAX (64*1024*1024)
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| 96 | #endif
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| 97 |
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| 98 |
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| 99 | /*********************************************************************************************************************************
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| 100 | * Structures and Typedefs *
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| 101 | *********************************************************************************************************************************/
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| 102 | typedef enum KWLOCATION
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| 103 | {
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| 104 | KWLOCATION_INVALID = 0,
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| 105 | KWLOCATION_EXE_DIR,
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| 106 | KWLOCATION_IMPORTER_DIR,
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| 107 | KWLOCATION_SYSTEM32,
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| 108 | KWLOCATION_UNKNOWN_NATIVE,
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| 109 | KWLOCATION_UNKNOWN,
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| 110 | } KWLOCATION;
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| 111 |
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| 112 | typedef enum KWMODSTATE
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| 113 | {
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| 114 | KWMODSTATE_INVALID = 0,
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| 115 | KWMODSTATE_NEEDS_BITS,
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| 116 | KWMODSTATE_NEEDS_INIT,
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| 117 | KWMODSTATE_BEING_INITED,
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| 118 | KWMODSTATE_INIT_FAILED,
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| 119 | KWMODSTATE_READY,
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| 120 | } KWMODSTATE;
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| 121 |
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| 122 | typedef struct KWMODULE *PKWMODULE;
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| 123 | typedef struct KWMODULE
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| 124 | {
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| 125 | /** Pointer to the next image. */
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| 126 | PKWMODULE pNext;
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| 127 | /** The normalized path to the image. */
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| 128 | const char *pszPath;
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| 129 | /** The hash of the program path. */
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| 130 | KU32 uHashPath;
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| 131 | /** Number of references. */
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| 132 | KU32 cRefs;
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| 133 | /** UTF-16 version of pszPath. */
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| 134 | const wchar_t *pwszPath;
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| 135 | /** The offset of the filename in pszPath. */
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| 136 | KU16 offFilename;
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| 137 | /** Set if executable. */
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| 138 | KBOOL fExe;
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| 139 | /** Set if native module entry. */
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| 140 | KBOOL fNative;
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| 141 | /** Loader module handle. */
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| 142 | PKLDRMOD pLdrMod;
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| 143 | /** The windows module handle. */
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| 144 | HMODULE hOurMod;
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| 145 |
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| 146 | union
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| 147 | {
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| 148 | /** Data for a manually loaded image. */
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| 149 | struct
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| 150 | {
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| 151 | /** The of the loaded image bits. */
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| 152 | KSIZE cbImage;
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| 153 | /** Where we load the image. */
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| 154 | void *pvLoad;
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| 155 | /** Virgin copy of the image. */
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| 156 | void *pvCopy;
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| 157 | /** Ldr pvBits argument. This is NULL till we've successfully resolved
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| 158 | * the imports. */
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| 159 | void *pvBits;
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| 160 | /** The state. */
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| 161 | KWMODSTATE enmState;
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| 162 | /** Number of imported modules. */
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| 163 | KSIZE cImpMods;
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| 164 | /** Import array (variable size). */
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| 165 | PKWMODULE apImpMods[1];
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| 166 | } Manual;
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| 167 | } u;
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| 168 | } KWMODULE;
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| 169 |
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| 170 |
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| 171 | typedef struct KWDYNLOAD *PKWDYNLOAD;
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| 172 | typedef struct KWDYNLOAD
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| 173 | {
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| 174 | /** Pointer to the next in the list. */
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| 175 | PKWDYNLOAD pNext;
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| 176 |
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| 177 | /** The normalized path to the image. */
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| 178 | const char *pszPath;
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| 179 | /** The module name (within pszPath). */
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| 180 | const char *pszModName;
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| 181 | /** UTF-16 version of pszPath. */
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| 182 | const wchar_t *pwszPath;
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| 183 | /** The hash of the path. */
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| 184 | KU32 uHashPath;
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| 185 |
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| 186 | /** The module handle we present to the application.
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| 187 | * This is the LoadLibraryEx return value for special modules and the
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| 188 | * KWMODULE.hOurMod value for the others. */
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| 189 | HMODULE hmod;
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| 190 |
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| 191 | /** The module for non-special resource stuff, NULL if special. */
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| 192 | PKWMODULE pMod;
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| 193 | } KWDYNLOAD;
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| 194 |
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| 195 |
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| 196 | typedef struct KWFSOBJ *PKWFSOBJ;
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| 197 | typedef struct KWFSOBJ
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| 198 | {
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| 199 | /** The object name. (Allocated after the structure.) */
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| 200 | const char *pszName;
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| 201 | /** The UTF-16 object name. (Allocated after the structure.) */
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| 202 | const wchar_t *pwszName;
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| 203 | /** The length of pszName. */
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| 204 | KU16 cchName;
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| 205 | /** The length of UTF-16 (in wchar_t's). */
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| 206 | KU16 cwcName;
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| 207 |
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| 208 | /** The number of child objects. */
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| 209 | KU32 cChildren;
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| 210 | /** Child objects. */
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| 211 | PKWFSOBJ *papChildren;
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| 212 | /** Pointer to the parent. */
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| 213 | PKWFSOBJ pParent;
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| 214 |
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| 215 | /** The cache generation, KFSWOBJ_CACHE_GEN_IGNORE. */
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| 216 | KU32 uCacheGen;
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| 217 | /** The GetFileAttributes result for the file.
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| 218 | * FILE_ATTRIBUTE_XXX or INVALID_FILE_ATTRIBUTES. */
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| 219 | KU32 fAttribs;
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| 220 | /** The GetLastError() for INVALI_FILE_ATTRIBUTES. */
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| 221 | KU32 uLastError;
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| 222 |
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| 223 | /** Cached file handle. */
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| 224 | HANDLE hCached;
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| 225 | /** The file size. */
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| 226 | KU32 cbCached;
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| 227 | /** Cached file content. */
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| 228 | KU8 *pbCached;
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| 229 | } KWFSOBJ;
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| 230 |
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| 231 |
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| 232 | /** Pointer to an ANSI path hash table entry. */
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| 233 | typedef struct KWFSHASHA *PKWFSHASHA;
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| 234 | /**
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| 235 | * ANSI file system path hash table entry.
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| 236 | * The path hash table allows us to skip parsing and walking a path.
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| 237 | */
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| 238 | typedef struct KWFSHASHA
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| 239 | {
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| 240 | /** Next entry with the same hash table slot. */
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| 241 | PKWFSHASHA pNext;
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| 242 | /** Path hash value. */
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| 243 | KU32 uHashPath;
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| 244 | /** The path length. */
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| 245 | KU32 cchPath;
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| 246 | /** The path. (Allocated after the structure.) */
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| 247 | const char *pszPath;
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| 248 | /** Pointer to the matching FS object. */
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| 249 | PKWFSOBJ pFsObj;
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| 250 | } KWFSHASHA;
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| 251 |
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| 252 |
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| 253 | /** Pointer to an UTF-16 path hash table entry. */
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| 254 | typedef struct KWFSHASHW *PKWFSHASHW;
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| 255 | /**
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| 256 | * UTF-16 file system path hash table entry. The path hash table allows us
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| 257 | * to skip parsing and walking a path.
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| 258 | */
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| 259 | typedef struct KWFSHASHW
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| 260 | {
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| 261 | /** Next entry with the same hash table slot. */
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| 262 | PKWFSHASHW pNext;
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| 263 | /** Path hash value. */
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| 264 | KU32 uHashPath;
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| 265 | /** The path length (in wchar_t units). */
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| 266 | KU32 cwcPath;
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| 267 | /** The path. (Allocated after the structure.) */
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| 268 | const wchar_t *pwszPath;
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| 269 | /** Pointer to the matching FS object. */
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| 270 | PKWFSOBJ pFsObj;
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| 271 | } KWFSHASHW;
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| 272 |
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| 273 |
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| 274 |
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| 275 | /** Pointer to a normalized path hash table entry. */
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| 276 | typedef struct KWFSNORMHASHA *PKWFSNORMHASHA;
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| 277 | /**
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| 278 | * Normalized path hash table entry.
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| 279 | *
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| 280 | * Note! This looks like it's duplicating KWFSHASHW/KWFSHASHA/KWFSOBJ, but
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| 281 | * it also handles paths that not cachable.
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| 282 | */
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| 283 | typedef struct KWFSNORMHASHA
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| 284 | {
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| 285 | /** Next entry with the same hash table slot. */
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| 286 | PKWFSNORMHASHA pNext;
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| 287 | /** The input path. */
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| 288 | const char *pszPath;
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| 289 | /** The length of the input path. */
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| 290 | KU16 cchPath;
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| 291 | /** The length of the normalized path. */
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| 292 | KU16 cchNormPath;
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| 293 | /** The hash. */
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| 294 | KU32 uHashPath;
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| 295 | /** The normalized path (variable size). */
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| 296 | char szNormPath[1];
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| 297 | } KWFSNORMHASHA;
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| 298 |
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| 299 |
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| 300 | typedef struct KWFSTEMPFILESEG *PKWFSTEMPFILESEG;
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| 301 | typedef struct KWFSTEMPFILESEG
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| 302 | {
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| 303 | /** File offset of data. */
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| 304 | KU32 offData;
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| 305 | /** The size of the buffer pbData points to. */
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| 306 | KU32 cbDataAlloc;
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| 307 | /** The segment data. */
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| 308 | KU8 *pbData;
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| 309 | } KWFSTEMPFILESEG;
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| 310 |
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| 311 | typedef struct KWFSTEMPFILE *PKWFSTEMPFILE;
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| 312 | typedef struct KWFSTEMPFILE
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| 313 | {
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| 314 | /** Pointer to the next temporary file for this run. */
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| 315 | PKWFSTEMPFILE pNext;
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| 316 | /** The UTF-16 path. (Allocated after this structure.) */
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| 317 | const wchar_t *pwszPath;
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| 318 | /** The path length. */
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| 319 | KU16 cwcPath;
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| 320 | /** Number of active handles using this file/mapping (<= 2). */
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| 321 | KU8 cActiveHandles;
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| 322 | /** Number of active mappings (mapped views) (0 or 1). */
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| 323 | KU8 cMappings;
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| 324 | /** The amount of space allocated in the segments. */
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| 325 | KU32 cbFileAllocated;
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| 326 | /** The current file size. */
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| 327 | KU32 cbFile;
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| 328 | /** The number of segments. */
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| 329 | KU32 cSegs;
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| 330 | /** Segments making up the file. */
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| 331 | PKWFSTEMPFILESEG paSegs;
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| 332 | } KWFSTEMPFILE;
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| 333 |
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| 334 |
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| 335 | /** Handle type. */
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| 336 | typedef enum KWHANDLETYPE
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| 337 | {
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| 338 | KWHANDLETYPE_INVALID = 0,
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| 339 | KWHANDLETYPE_FSOBJ_READ_CACHE,
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| 340 | KWHANDLETYPE_TEMP_FILE,
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| 341 | KWHANDLETYPE_TEMP_FILE_MAPPING
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| 342 | //KWHANDLETYPE_CONSOLE_CACHE
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| 343 | } KWHANDLETYPE;
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| 344 |
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| 345 | /** Handle data. */
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| 346 | typedef struct KWHANDLE
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| 347 | {
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| 348 | KWHANDLETYPE enmType;
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| 349 | /** The current file offset. */
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| 350 | KU32 offFile;
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| 351 | /** Handle access. */
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| 352 | KU32 dwDesiredAccess;
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| 353 | /** The handle. */
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| 354 | HANDLE hHandle;
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| 355 |
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| 356 | /** Type specific data. */
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| 357 | union
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| 358 | {
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| 359 | /** The file system object. */
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| 360 | PKWFSOBJ pFsObj;
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| 361 | /** Temporary file handle or mapping handle. */
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| 362 | PKWFSTEMPFILE pTempFile;
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| 363 | } u;
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| 364 | } KWHANDLE;
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| 365 | typedef KWHANDLE *PKWHANDLE;
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| 366 |
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| 367 |
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| 368 | typedef enum KWTOOLTYPE
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| 369 | {
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| 370 | KWTOOLTYPE_INVALID = 0,
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| 371 | KWTOOLTYPE_SANDBOXED,
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| 372 | KWTOOLTYPE_WATCOM,
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| 373 | KWTOOLTYPE_EXEC,
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| 374 | KWTOOLTYPE_END
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| 375 | } KWTOOLTYPE;
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| 376 |
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| 377 | typedef enum KWTOOLHINT
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| 378 | {
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| 379 | KWTOOLHINT_INVALID = 0,
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| 380 | KWTOOLHINT_NONE,
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| 381 | KWTOOLHINT_VISUAL_CPP_CL,
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| 382 | KWTOOLHINT_END
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| 383 | } KWTOOLHINT;
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| 384 |
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| 385 | typedef struct KWTOOL *PKWTOOL;
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| 386 | typedef struct KWTOOL
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| 387 | {
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| 388 | /** Pointer to the next in the hash collision chain. */
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| 389 | PKWTOOL pNext;
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| 390 | /** The normalized path to the program. */
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| 391 | const char *pszPath;
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| 392 | /** The hash of the program path. */
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| 393 | KU32 uHashPath;
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| 394 | /** The kind of tool. */
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| 395 | KWTOOLTYPE enmType;
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| 396 | /** UTF-16 version of pszPath. */
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| 397 | wchar_t const *pwszPath;
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| 398 |
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| 399 | union
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| 400 | {
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| 401 | struct
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| 402 | {
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| 403 | /** The executable. */
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| 404 | PKWMODULE pExe;
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| 405 | /** List of dynamically loaded modules.
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| 406 | * These will be kept loaded till the tool is destroyed (if we ever do that). */
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| 407 | PKWDYNLOAD pDynLoadHead;
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| 408 | /** Tool hint (for hacks and such). */
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| 409 | KWTOOLHINT enmHint;
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| 410 | } Sandboxed;
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| 411 | } u;
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| 412 | } KWTOOL;
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| 413 |
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| 414 |
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| 415 | typedef struct KWSANDBOX *PKWSANDBOX;
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| 416 | typedef struct KWSANDBOX
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| 417 | {
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| 418 | /** The tool currently running in the sandbox. */
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| 419 | PKWTOOL pTool;
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| 420 | /** Jump buffer. */
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| 421 | jmp_buf JmpBuf;
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| 422 | /** The thread ID of the main thread (owner of JmpBuf). */
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| 423 | DWORD idMainThread;
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| 424 | /** Copy of the NT TIB of the main thread. */
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|---|
| 425 | NT_TIB TibMainThread;
|
|---|
| 426 | /** The exit code in case of longjmp. */
|
|---|
| 427 | int rcExitCode;
|
|---|
| 428 |
|
|---|
| 429 | /** The command line. */
|
|---|
| 430 | char *pszCmdLine;
|
|---|
| 431 | /** The UTF-16 command line. */
|
|---|
| 432 | wchar_t *pwszCmdLine;
|
|---|
| 433 | /** Number of arguments in papszArgs. */
|
|---|
| 434 | int cArgs;
|
|---|
| 435 | /** The argument vector. */
|
|---|
| 436 | char **papszArgs;
|
|---|
| 437 | /** The argument vector. */
|
|---|
| 438 | wchar_t **papwszArgs;
|
|---|
| 439 |
|
|---|
| 440 | /** The _pgmptr msvcrt variable. */
|
|---|
| 441 | char *pgmptr;
|
|---|
| 442 | /** The _wpgmptr msvcrt variable. */
|
|---|
| 443 | wchar_t *wpgmptr;
|
|---|
| 444 |
|
|---|
| 445 | /** The _initenv msvcrt variable. */
|
|---|
| 446 | char **initenv;
|
|---|
| 447 | /** The _winitenv msvcrt variable. */
|
|---|
| 448 | wchar_t **winitenv;
|
|---|
| 449 |
|
|---|
| 450 | /** The _environ msvcrt variable. */
|
|---|
| 451 | char **environ;
|
|---|
| 452 | /** The _wenviron msvcrt variable. */
|
|---|
| 453 | wchar_t **wenviron;
|
|---|
| 454 |
|
|---|
| 455 |
|
|---|
| 456 | /** Handle table. */
|
|---|
| 457 | PKWHANDLE *papHandles;
|
|---|
| 458 | /** Size of the handle table. */
|
|---|
| 459 | KU32 cHandles;
|
|---|
| 460 | /** Number of active handles in the table. */
|
|---|
| 461 | KU32 cActiveHandles;
|
|---|
| 462 |
|
|---|
| 463 | /** Head of the list of temporary file. */
|
|---|
| 464 | PKWFSTEMPFILE pTempFileHead;
|
|---|
| 465 |
|
|---|
| 466 | UNICODE_STRING SavedCommandLine;
|
|---|
| 467 | } KWSANDBOX;
|
|---|
| 468 |
|
|---|
| 469 | /** Replacement function entry. */
|
|---|
| 470 | typedef struct KWREPLACEMENTFUNCTION
|
|---|
| 471 | {
|
|---|
| 472 | /** The function name. */
|
|---|
| 473 | const char *pszFunction;
|
|---|
| 474 | /** The length of the function name. */
|
|---|
| 475 | KSIZE cchFunction;
|
|---|
| 476 | /** The module name (optional). */
|
|---|
| 477 | const char *pszModule;
|
|---|
| 478 | /** The replacement function or data address. */
|
|---|
| 479 | KUPTR pfnReplacement;
|
|---|
| 480 | } KWREPLACEMENTFUNCTION;
|
|---|
| 481 | typedef KWREPLACEMENTFUNCTION const *PCKWREPLACEMENTFUNCTION;
|
|---|
| 482 |
|
|---|
| 483 | #if 0
|
|---|
| 484 | /** Replacement function entry. */
|
|---|
| 485 | typedef struct KWREPLACEMENTDATA
|
|---|
| 486 | {
|
|---|
| 487 | /** The function name. */
|
|---|
| 488 | const char *pszFunction;
|
|---|
| 489 | /** The length of the function name. */
|
|---|
| 490 | KSIZE cchFunction;
|
|---|
| 491 | /** The module name (optional). */
|
|---|
| 492 | const char *pszModule;
|
|---|
| 493 | /** Function providing the replacement. */
|
|---|
| 494 | KUPTR (*pfnMakeReplacement)(PKWMODULE pMod, const char *pchSymbol, KSIZE cchSymbol);
|
|---|
| 495 | } KWREPLACEMENTDATA;
|
|---|
| 496 | typedef KWREPLACEMENTDATA const *PCKWREPLACEMENTDATA;
|
|---|
| 497 | #endif
|
|---|
| 498 |
|
|---|
| 499 |
|
|---|
| 500 | /*********************************************************************************************************************************
|
|---|
| 501 | * Global Variables *
|
|---|
| 502 | *********************************************************************************************************************************/
|
|---|
| 503 | /** The sandbox data. */
|
|---|
| 504 | static KWSANDBOX g_Sandbox;
|
|---|
| 505 |
|
|---|
| 506 | /** Module hash table. */
|
|---|
| 507 | static PKWMODULE g_apModules[127];
|
|---|
| 508 |
|
|---|
| 509 | /** Tool hash table. */
|
|---|
| 510 | static PKWTOOL g_apTools[63];
|
|---|
| 511 |
|
|---|
| 512 | /** Special file system root (parent to the drive letters). */
|
|---|
| 513 | static KWFSOBJ g_FsRoot =
|
|---|
| 514 | {
|
|---|
| 515 | /* .pszName = */ "",
|
|---|
| 516 | /* .pwszName = */ L"",
|
|---|
| 517 | /* .cchName = */ 0,
|
|---|
| 518 | /* .cwcName = */ 0,
|
|---|
| 519 | /* .cChildren = */ 0,
|
|---|
| 520 | /* .papChildren = */ NULL,
|
|---|
| 521 | /* .pParent = */ NULL,
|
|---|
| 522 | /* .uCacheGen = */ KFSWOBJ_CACHE_GEN_IGNORE,
|
|---|
| 523 | /* .fAttribs = */ FILE_ATTRIBUTE_DIRECTORY,
|
|---|
| 524 | /* .uLastError = */ ERROR_PATH_NOT_FOUND,
|
|---|
| 525 | /* .hCached = */ INVALID_HANDLE_VALUE,
|
|---|
| 526 | /* .cbCached = */ 0,
|
|---|
| 527 | /* .pbCached = */ NULL,
|
|---|
| 528 | };
|
|---|
| 529 | /** File system hash table for ANSI filename strings. */
|
|---|
| 530 | static PKWFSHASHA g_apFsAnsiPaths[1021];
|
|---|
| 531 | /** File system hash table for UTF-16 filename strings. */
|
|---|
| 532 | static PKWFSHASHW g_apFsUtf16Paths[1021];
|
|---|
| 533 | /** Cached normalized path results. */
|
|---|
| 534 | static PKWFSNORMHASHA g_apFsNormalizedPathsA[1021];
|
|---|
| 535 | /** Special file system object returned if the path is invalid. */
|
|---|
| 536 | static KWFSOBJ g_FsPathNotFound =
|
|---|
| 537 | {
|
|---|
| 538 | /* .pszName = */ "",
|
|---|
| 539 | /* .pwszName = */ L"",
|
|---|
| 540 | /* .cchName = */ 0,
|
|---|
| 541 | /* .cwcName = */ 0,
|
|---|
| 542 | /* .cChildren = */ 0,
|
|---|
| 543 | /* .papChildren = */ NULL,
|
|---|
| 544 | /* .pParent = */ NULL,
|
|---|
| 545 | /* .uCacheGen = */ KFSWOBJ_CACHE_GEN_IGNORE,
|
|---|
| 546 | /* .fAttribs = */ FILE_ATTRIBUTE_DIRECTORY,
|
|---|
| 547 | /* .uLastError = */ ERROR_PATH_NOT_FOUND,
|
|---|
| 548 | /* .hCached = */ INVALID_HANDLE_VALUE,
|
|---|
| 549 | /* .cbCached = */ 0,
|
|---|
| 550 | /* .pbCached = */ NULL,
|
|---|
| 551 | };
|
|---|
| 552 | /** The cache generation number, incremented for each sandboxed execution.
|
|---|
| 553 | * This is used to invalid negative results from parts of the file system. */
|
|---|
| 554 | static KU32 g_uFsCacheGeneration = 0;
|
|---|
| 555 |
|
|---|
| 556 | /** Verbosity level. */
|
|---|
| 557 | static int g_cVerbose = 2;
|
|---|
| 558 |
|
|---|
| 559 | /** Whether we should restart the worker. */
|
|---|
| 560 | static KBOOL g_fRestart = K_FALSE;
|
|---|
| 561 |
|
|---|
| 562 | /* Further down. */
|
|---|
| 563 | extern KWREPLACEMENTFUNCTION const g_aSandboxReplacements[];
|
|---|
| 564 | extern KU32 const g_cSandboxReplacements;
|
|---|
| 565 |
|
|---|
| 566 | extern KWREPLACEMENTFUNCTION const g_aSandboxNativeReplacements[];
|
|---|
| 567 | extern KU32 const g_cSandboxNativeReplacements;
|
|---|
| 568 |
|
|---|
| 569 | /** Create a larget BSS blob that with help of /IMAGEBASE:0x10000 should
|
|---|
| 570 | * cover the default executable link address of 0x400000. */
|
|---|
| 571 | #pragma section("DefLdBuf", write, execute, read)
|
|---|
| 572 | __declspec(allocate("DefLdBuf"))
|
|---|
| 573 | static KU8 g_abDefLdBuf[16*1024*1024];
|
|---|
| 574 |
|
|---|
| 575 |
|
|---|
| 576 |
|
|---|
| 577 | /*********************************************************************************************************************************
|
|---|
| 578 | * Internal Functions *
|
|---|
| 579 | *********************************************************************************************************************************/
|
|---|
| 580 | static FNKLDRMODGETIMPORT kwLdrModuleGetImportCallback;
|
|---|
| 581 | static int kwLdrModuleResolveAndLookup(const char *pszName, PKWMODULE pExe, PKWMODULE pImporter, PKWMODULE *ppMod);
|
|---|
| 582 | static PKWFSOBJ kwFsLookupA(const char *pszPath);
|
|---|
| 583 | static KBOOL kwSandboxHandleTableEnter(PKWSANDBOX pSandbox, PKWHANDLE pHandle);
|
|---|
| 584 |
|
|---|
| 585 |
|
|---|
| 586 |
|
|---|
| 587 | /**
|
|---|
| 588 | * Debug printing.
|
|---|
| 589 | * @param pszFormat Debug format string.
|
|---|
| 590 | * @param ... Format argument.
|
|---|
| 591 | */
|
|---|
| 592 | static void kwDbgPrintfV(const char *pszFormat, va_list va)
|
|---|
| 593 | {
|
|---|
| 594 | if (g_cVerbose >= 2)
|
|---|
| 595 | {
|
|---|
| 596 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 597 |
|
|---|
| 598 | fprintf(stderr, "debug: ");
|
|---|
| 599 | vfprintf(stderr, pszFormat, va);
|
|---|
| 600 |
|
|---|
| 601 | SetLastError(dwSavedErr);
|
|---|
| 602 | }
|
|---|
| 603 | }
|
|---|
| 604 |
|
|---|
| 605 |
|
|---|
| 606 | /**
|
|---|
| 607 | * Debug printing.
|
|---|
| 608 | * @param pszFormat Debug format string.
|
|---|
| 609 | * @param ... Format argument.
|
|---|
| 610 | */
|
|---|
| 611 | static void kwDbgPrintf(const char *pszFormat, ...)
|
|---|
| 612 | {
|
|---|
| 613 | if (g_cVerbose >= 2)
|
|---|
| 614 | {
|
|---|
| 615 | va_list va;
|
|---|
| 616 | va_start(va, pszFormat);
|
|---|
| 617 | kwDbgPrintfV(pszFormat, va);
|
|---|
| 618 | va_end(va);
|
|---|
| 619 | }
|
|---|
| 620 | }
|
|---|
| 621 |
|
|---|
| 622 |
|
|---|
| 623 | /**
|
|---|
| 624 | * Debugger printing.
|
|---|
| 625 | * @param pszFormat Debug format string.
|
|---|
| 626 | * @param ... Format argument.
|
|---|
| 627 | */
|
|---|
| 628 | static void kwDebuggerPrintfV(const char *pszFormat, va_list va)
|
|---|
| 629 | {
|
|---|
| 630 | if (IsDebuggerPresent())
|
|---|
| 631 | {
|
|---|
| 632 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 633 | char szTmp[2048];
|
|---|
| 634 |
|
|---|
| 635 | _vsnprintf(szTmp, sizeof(szTmp), pszFormat, va);
|
|---|
| 636 | OutputDebugStringA(szTmp);
|
|---|
| 637 |
|
|---|
| 638 | SetLastError(dwSavedErr);
|
|---|
| 639 | }
|
|---|
| 640 | }
|
|---|
| 641 |
|
|---|
| 642 |
|
|---|
| 643 | /**
|
|---|
| 644 | * Debugger printing.
|
|---|
| 645 | * @param pszFormat Debug format string.
|
|---|
| 646 | * @param ... Format argument.
|
|---|
| 647 | */
|
|---|
| 648 | static void kwDebuggerPrintf(const char *pszFormat, ...)
|
|---|
| 649 | {
|
|---|
| 650 | va_list va;
|
|---|
| 651 | va_start(va, pszFormat);
|
|---|
| 652 | kwDebuggerPrintfV(pszFormat, va);
|
|---|
| 653 | va_end(va);
|
|---|
| 654 | }
|
|---|
| 655 |
|
|---|
| 656 |
|
|---|
| 657 |
|
|---|
| 658 | /**
|
|---|
| 659 | * Error printing.
|
|---|
| 660 | * @param pszFormat Message format string.
|
|---|
| 661 | * @param ... Format argument.
|
|---|
| 662 | */
|
|---|
| 663 | static void kwErrPrintfV(const char *pszFormat, va_list va)
|
|---|
| 664 | {
|
|---|
| 665 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 666 |
|
|---|
| 667 | fprintf(stderr, "kWorker: error: ");
|
|---|
| 668 | vfprintf(stderr, pszFormat, va);
|
|---|
| 669 |
|
|---|
| 670 | SetLastError(dwSavedErr);
|
|---|
| 671 | }
|
|---|
| 672 |
|
|---|
| 673 |
|
|---|
| 674 | /**
|
|---|
| 675 | * Error printing.
|
|---|
| 676 | * @param pszFormat Message format string.
|
|---|
| 677 | * @param ... Format argument.
|
|---|
| 678 | */
|
|---|
| 679 | static void kwErrPrintf(const char *pszFormat, ...)
|
|---|
| 680 | {
|
|---|
| 681 | va_list va;
|
|---|
| 682 | va_start(va, pszFormat);
|
|---|
| 683 | kwErrPrintfV(pszFormat, va);
|
|---|
| 684 | va_end(va);
|
|---|
| 685 | }
|
|---|
| 686 |
|
|---|
| 687 |
|
|---|
| 688 | #ifdef K_STRICT
|
|---|
| 689 |
|
|---|
| 690 | KHLP_DECL(void) kHlpAssertMsg1(const char *pszExpr, const char *pszFile, unsigned iLine, const char *pszFunction)
|
|---|
| 691 | {
|
|---|
| 692 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 693 |
|
|---|
| 694 | fprintf(stderr,
|
|---|
| 695 | "\n"
|
|---|
| 696 | "!!Assertion failed!!\n"
|
|---|
| 697 | "Expression: %s\n"
|
|---|
| 698 | "Function : %s\n"
|
|---|
| 699 | "File: %s\n"
|
|---|
| 700 | "Line: %d\n"
|
|---|
| 701 | , pszExpr, pszFunction, pszFile, iLine);
|
|---|
| 702 |
|
|---|
| 703 | SetLastError(dwSavedErr);
|
|---|
| 704 | }
|
|---|
| 705 |
|
|---|
| 706 |
|
|---|
| 707 | KHLP_DECL(void) kHlpAssertMsg2(const char *pszFormat, ...)
|
|---|
| 708 | {
|
|---|
| 709 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 710 | va_list va;
|
|---|
| 711 |
|
|---|
| 712 | va_start(va, pszFormat);
|
|---|
| 713 | fprintf(stderr, pszFormat, va);
|
|---|
| 714 | va_end(va);
|
|---|
| 715 |
|
|---|
| 716 | SetLastError(dwSavedErr);
|
|---|
| 717 | }
|
|---|
| 718 |
|
|---|
| 719 | #endif /* K_STRICT */
|
|---|
| 720 |
|
|---|
| 721 |
|
|---|
| 722 | /**
|
|---|
| 723 | * Hashes a string.
|
|---|
| 724 | *
|
|---|
| 725 | * @returns 32-bit string hash.
|
|---|
| 726 | * @param pszString String to hash.
|
|---|
| 727 | */
|
|---|
| 728 | static KU32 kwStrHash(const char *pszString)
|
|---|
| 729 | {
|
|---|
| 730 | /* This algorithm was created for sdbm (a public-domain reimplementation of
|
|---|
| 731 | ndbm) database library. it was found to do well in scrambling bits,
|
|---|
| 732 | causing better distribution of the keys and fewer splits. it also happens
|
|---|
| 733 | to be a good general hashing function with good distribution. the actual
|
|---|
| 734 | function is hash(i) = hash(i - 1) * 65599 + str[i]; what is included below
|
|---|
| 735 | is the faster version used in gawk. [there is even a faster, duff-device
|
|---|
| 736 | version] the magic constant 65599 was picked out of thin air while
|
|---|
| 737 | experimenting with different constants, and turns out to be a prime.
|
|---|
| 738 | this is one of the algorithms used in berkeley db (see sleepycat) and
|
|---|
| 739 | elsewhere. */
|
|---|
| 740 | KU32 uHash = 0;
|
|---|
| 741 | KU32 uChar;
|
|---|
| 742 | while ((uChar = (unsigned char)*pszString++) != 0)
|
|---|
| 743 | uHash = uChar + (uHash << 6) + (uHash << 16) - uHash;
|
|---|
| 744 | return uHash;
|
|---|
| 745 | }
|
|---|
| 746 |
|
|---|
| 747 |
|
|---|
| 748 | /**
|
|---|
| 749 | * Hashes a string.
|
|---|
| 750 | *
|
|---|
| 751 | * @returns The string length.
|
|---|
| 752 | * @param pszString String to hash.
|
|---|
| 753 | * @param puHash Where to return the 32-bit string hash.
|
|---|
| 754 | */
|
|---|
| 755 | static KSIZE kwStrHashEx(const char *pszString, KU32 *puHash)
|
|---|
| 756 | {
|
|---|
| 757 | const char * const pszStart = pszString;
|
|---|
| 758 | KU32 uHash = 0;
|
|---|
| 759 | KU32 uChar;
|
|---|
| 760 | while ((uChar = (unsigned char)*pszString) != 0)
|
|---|
| 761 | {
|
|---|
| 762 | uHash = uChar + (uHash << 6) + (uHash << 16) - uHash;
|
|---|
| 763 | pszString++;
|
|---|
| 764 | }
|
|---|
| 765 | *puHash = uHash;
|
|---|
| 766 | return pszString - pszStart;
|
|---|
| 767 | }
|
|---|
| 768 |
|
|---|
| 769 |
|
|---|
| 770 | /**
|
|---|
| 771 | * Hashes a string.
|
|---|
| 772 | *
|
|---|
| 773 | * @returns The string length in wchar_t units.
|
|---|
| 774 | * @param pwszString String to hash.
|
|---|
| 775 | * @param puHash Where to return the 32-bit string hash.
|
|---|
| 776 | */
|
|---|
| 777 | static KSIZE kwUtf16HashEx(const wchar_t *pwszString, KU32 *puHash)
|
|---|
| 778 | {
|
|---|
| 779 | const wchar_t * const pwszStart = pwszString;
|
|---|
| 780 | KU32 uHash = 0;
|
|---|
| 781 | KU32 uChar;
|
|---|
| 782 | while ((uChar = *pwszString) != 0)
|
|---|
| 783 | {
|
|---|
| 784 | uHash = uChar + (uHash << 6) + (uHash << 16) - uHash;
|
|---|
| 785 | pwszString++;
|
|---|
| 786 | }
|
|---|
| 787 | *puHash = uHash;
|
|---|
| 788 | return pwszString - pwszStart;
|
|---|
| 789 | }
|
|---|
| 790 |
|
|---|
| 791 |
|
|---|
| 792 | /**
|
|---|
| 793 | * Converts the given string to unicode.
|
|---|
| 794 | *
|
|---|
| 795 | * @returns Length of the resulting string in wchar_t's.
|
|---|
| 796 | * @param pszSrc The source string.
|
|---|
| 797 | * @param pwszDst The destination buffer.
|
|---|
| 798 | * @param cwcDst The size of the destination buffer in wchar_t's.
|
|---|
| 799 | */
|
|---|
| 800 | static KSIZE kwStrToUtf16(const char *pszSrc, wchar_t *pwszDst, KSIZE cwcDst)
|
|---|
| 801 | {
|
|---|
| 802 | /* Just to the quick ASCII stuff for now. correct ansi code page stuff later some time. */
|
|---|
| 803 | KSIZE offDst = 0;
|
|---|
| 804 | while (offDst < cwcDst)
|
|---|
| 805 | {
|
|---|
| 806 | char ch = *pszSrc++;
|
|---|
| 807 | pwszDst[offDst++] = ch;
|
|---|
| 808 | if (!ch)
|
|---|
| 809 | return offDst - 1;
|
|---|
| 810 | kHlpAssert((unsigned)ch < 127);
|
|---|
| 811 | }
|
|---|
| 812 |
|
|---|
| 813 | pwszDst[offDst - 1] = '\0';
|
|---|
| 814 | return offDst;
|
|---|
| 815 | }
|
|---|
| 816 |
|
|---|
| 817 |
|
|---|
| 818 | /**
|
|---|
| 819 | * Converts the given UTF-16 to a normal string.
|
|---|
| 820 | *
|
|---|
| 821 | * @returns Length of the resulting string.
|
|---|
| 822 | * @param pwszSrc The source UTF-16 string.
|
|---|
| 823 | * @param pszDst The destination buffer.
|
|---|
| 824 | * @param cbDst The size of the destination buffer in bytes.
|
|---|
| 825 | */
|
|---|
| 826 | static KSIZE kwUtf16ToStr(const wchar_t *pwszSrc, char *pszDst, KSIZE cbDst)
|
|---|
| 827 | {
|
|---|
| 828 | /* Just to the quick ASCII stuff for now. correct ansi code page stuff later some time. */
|
|---|
| 829 | KSIZE offDst = 0;
|
|---|
| 830 | while (offDst < cbDst)
|
|---|
| 831 | {
|
|---|
| 832 | wchar_t wc = *pwszSrc++;
|
|---|
| 833 | pszDst[offDst++] = (char)wc;
|
|---|
| 834 | if (!wc)
|
|---|
| 835 | return offDst - 1;
|
|---|
| 836 | kHlpAssert((unsigned)wc < 127);
|
|---|
| 837 | }
|
|---|
| 838 |
|
|---|
| 839 | pszDst[offDst - 1] = '\0';
|
|---|
| 840 | return offDst;
|
|---|
| 841 | }
|
|---|
| 842 |
|
|---|
| 843 |
|
|---|
| 844 |
|
|---|
| 845 | /** UTF-16 string length. */
|
|---|
| 846 | static KSIZE kwUtf16Len(wchar_t const *pwsz)
|
|---|
| 847 | {
|
|---|
| 848 | KSIZE cwc = 0;
|
|---|
| 849 | while (*pwsz != '\0')
|
|---|
| 850 | cwc++, pwsz++;
|
|---|
| 851 | return cwc;
|
|---|
| 852 | }
|
|---|
| 853 |
|
|---|
| 854 | /**
|
|---|
| 855 | * Copy out the UTF-16 string following the convension of GetModuleFileName
|
|---|
| 856 | */
|
|---|
| 857 | static DWORD kwUtf16CopyStyle1(wchar_t const *pwszSrc, wchar_t *pwszDst, KSIZE cwcDst)
|
|---|
| 858 | {
|
|---|
| 859 | KSIZE cwcSrc = kwUtf16Len(pwszSrc);
|
|---|
| 860 | if (cwcSrc + 1 <= cwcDst)
|
|---|
| 861 | {
|
|---|
| 862 | kHlpMemCopy(pwszDst, pwszSrc, (cwcSrc + 1) * sizeof(wchar_t));
|
|---|
| 863 | return (DWORD)cwcSrc;
|
|---|
| 864 | }
|
|---|
| 865 | if (cwcDst > 0)
|
|---|
| 866 | {
|
|---|
| 867 | KSIZE cwcDstTmp = cwcDst - 1;
|
|---|
| 868 | pwszDst[cwcDstTmp] = '\0';
|
|---|
| 869 | if (cwcDstTmp > 0)
|
|---|
| 870 | kHlpMemCopy(pwszDst, pwszSrc, cwcDstTmp);
|
|---|
| 871 | }
|
|---|
| 872 | SetLastError(ERROR_INSUFFICIENT_BUFFER);
|
|---|
| 873 | return (DWORD)cwcDst;
|
|---|
| 874 | }
|
|---|
| 875 |
|
|---|
| 876 |
|
|---|
| 877 | /**
|
|---|
| 878 | * Copy out the ANSI string following the convension of GetModuleFileName
|
|---|
| 879 | */
|
|---|
| 880 | static DWORD kwStrCopyStyle1(char const *pszSrc, char *pszDst, KSIZE cbDst)
|
|---|
| 881 | {
|
|---|
| 882 | KSIZE cchSrc = kHlpStrLen(pszSrc);
|
|---|
| 883 | if (cchSrc + 1 <= cbDst)
|
|---|
| 884 | {
|
|---|
| 885 | kHlpMemCopy(pszDst, pszSrc, cchSrc + 1);
|
|---|
| 886 | return (DWORD)cchSrc;
|
|---|
| 887 | }
|
|---|
| 888 | if (cbDst > 0)
|
|---|
| 889 | {
|
|---|
| 890 | KSIZE cbDstTmp = cbDst - 1;
|
|---|
| 891 | pszDst[cbDstTmp] = '\0';
|
|---|
| 892 | if (cbDstTmp > 0)
|
|---|
| 893 | kHlpMemCopy(pszDst, pszSrc, cbDstTmp);
|
|---|
| 894 | }
|
|---|
| 895 | SetLastError(ERROR_INSUFFICIENT_BUFFER);
|
|---|
| 896 | return (DWORD)cbDst;
|
|---|
| 897 | }
|
|---|
| 898 |
|
|---|
| 899 |
|
|---|
| 900 | /**
|
|---|
| 901 | * Normalizes the path so we get a consistent hash.
|
|---|
| 902 | *
|
|---|
| 903 | * @returns status code.
|
|---|
| 904 | * @param pszPath The path.
|
|---|
| 905 | * @param pszNormPath The output buffer.
|
|---|
| 906 | * @param cbNormPath The size of the output buffer.
|
|---|
| 907 | */
|
|---|
| 908 | static int kwPathNormalize(const char *pszPath, char *pszNormPath, KSIZE cbNormPath)
|
|---|
| 909 | {
|
|---|
| 910 | char *pchSlash;
|
|---|
| 911 | KSIZE cchNormPath;
|
|---|
| 912 |
|
|---|
| 913 | /*
|
|---|
| 914 | * We hash these to speed stuff up (nt_fullpath isn't cheap and we're
|
|---|
| 915 | * gonna have many repeat queries and assume nobody do case changes to
|
|---|
| 916 | * anything essential while kmk is running).
|
|---|
| 917 | */
|
|---|
| 918 | KU32 uHashPath;
|
|---|
| 919 | KU32 cchPath = (KU32)kwStrHashEx(pszPath, &uHashPath);
|
|---|
| 920 | KU32 const idxHashTab = uHashPath % K_ELEMENTS(g_apFsNormalizedPathsA);
|
|---|
| 921 | PKWFSNORMHASHA pHashEntry = g_apFsNormalizedPathsA[idxHashTab];
|
|---|
| 922 | if (pHashEntry)
|
|---|
| 923 | {
|
|---|
| 924 | do
|
|---|
| 925 | {
|
|---|
| 926 | if ( pHashEntry->uHashPath == uHashPath
|
|---|
| 927 | && pHashEntry->cchPath == cchPath
|
|---|
| 928 | && kHlpMemComp(pHashEntry->pszPath, pszPath, cchPath) == 0)
|
|---|
| 929 | {
|
|---|
| 930 | if (cbNormPath > pHashEntry->cchNormPath)
|
|---|
| 931 | {
|
|---|
| 932 | KWFS_LOG(("kwPathNormalize(%s) - hit\n", pszPath));
|
|---|
| 933 | kHlpMemCopy(pszNormPath, pHashEntry->szNormPath, pHashEntry->cchNormPath + 1);
|
|---|
| 934 | return 0;
|
|---|
| 935 | }
|
|---|
| 936 | return KERR_BUFFER_OVERFLOW;
|
|---|
| 937 | }
|
|---|
| 938 | pHashEntry = pHashEntry->pNext;
|
|---|
| 939 | } while (pHashEntry);
|
|---|
| 940 | }
|
|---|
| 941 |
|
|---|
| 942 | /*
|
|---|
| 943 | * Do it the slow way.
|
|---|
| 944 | */
|
|---|
| 945 | nt_fullpath(pszPath, pszNormPath, cbNormPath);
|
|---|
| 946 | /** @todo nt_fullpath overflow handling?!?!? */
|
|---|
| 947 |
|
|---|
| 948 | pchSlash = kHlpStrChr(pszNormPath, '/');
|
|---|
| 949 | while (pchSlash)
|
|---|
| 950 | {
|
|---|
| 951 | *pchSlash = '\\';
|
|---|
| 952 | pchSlash = kHlpStrChr(pchSlash + 1, '/');
|
|---|
| 953 | }
|
|---|
| 954 |
|
|---|
| 955 | /*
|
|---|
| 956 | * Create a new hash table entry (ignore failures).
|
|---|
| 957 | */
|
|---|
| 958 | cchNormPath = kHlpStrLen(pszNormPath);
|
|---|
| 959 | if (cchNormPath < KU16_MAX && cchPath < KU16_MAX)
|
|---|
| 960 | {
|
|---|
| 961 | pHashEntry = (PKWFSNORMHASHA)kHlpAlloc(sizeof(*pHashEntry) + cchNormPath + 1 + cchPath + 1);
|
|---|
| 962 | if (pHashEntry)
|
|---|
| 963 | {
|
|---|
| 964 | pHashEntry->cchNormPath = (KU16)cchNormPath;
|
|---|
| 965 | pHashEntry->cchPath = (KU16)cchPath;
|
|---|
| 966 | pHashEntry->uHashPath = uHashPath;
|
|---|
| 967 | pHashEntry->pszPath = (char *)kHlpMemCopy(&pHashEntry->szNormPath[cchNormPath + 1], pszPath, cchPath + 1);
|
|---|
| 968 | kHlpMemCopy(pHashEntry->szNormPath, pszNormPath, cchNormPath + 1);
|
|---|
| 969 |
|
|---|
| 970 | pHashEntry->pNext = g_apFsNormalizedPathsA[idxHashTab];
|
|---|
| 971 | g_apFsNormalizedPathsA[idxHashTab] = pHashEntry;
|
|---|
| 972 | }
|
|---|
| 973 | }
|
|---|
| 974 |
|
|---|
| 975 | return 0;
|
|---|
| 976 | }
|
|---|
| 977 |
|
|---|
| 978 |
|
|---|
| 979 | /**
|
|---|
| 980 | * Get the pointer to the filename part of the path.
|
|---|
| 981 | *
|
|---|
| 982 | * @returns Pointer to where the filename starts within the string pointed to by pszFilename.
|
|---|
| 983 | * @returns Pointer to the terminator char if no filename.
|
|---|
| 984 | * @param pszPath The path to parse.
|
|---|
| 985 | */
|
|---|
| 986 | static wchar_t *kwPathGetFilenameW(const wchar_t *pwszPath)
|
|---|
| 987 | {
|
|---|
| 988 | const wchar_t *pwszLast = NULL;
|
|---|
| 989 | for (;;)
|
|---|
| 990 | {
|
|---|
| 991 | wchar_t wc = *pwszPath;
|
|---|
| 992 | #if K_OS == K_OS_OS2 || K_OS == K_OS_WINDOWS
|
|---|
| 993 | if (wc == '/' || wc == '\\' || wc == ':')
|
|---|
| 994 | {
|
|---|
| 995 | while ((wc = *++pwszPath) == '/' || wc == '\\' || wc == ':')
|
|---|
| 996 | /* nothing */;
|
|---|
| 997 | pwszLast = pwszPath;
|
|---|
| 998 | }
|
|---|
| 999 | #else
|
|---|
| 1000 | if (wc == '/')
|
|---|
| 1001 | {
|
|---|
| 1002 | while ((wc = *++pszFilename) == '/')
|
|---|
| 1003 | /* betsuni */;
|
|---|
| 1004 | pwszLast = pwszPath;
|
|---|
| 1005 | }
|
|---|
| 1006 | #endif
|
|---|
| 1007 | if (!wc)
|
|---|
| 1008 | return (wchar_t *)(pwszLast ? pwszLast : pwszPath);
|
|---|
| 1009 | pwszPath++;
|
|---|
| 1010 | }
|
|---|
| 1011 | }
|
|---|
| 1012 |
|
|---|
| 1013 |
|
|---|
| 1014 |
|
|---|
| 1015 | /**
|
|---|
| 1016 | * Retains a new reference to the given module
|
|---|
| 1017 | * @returns pMod
|
|---|
| 1018 | * @param pMod The module to retain.
|
|---|
| 1019 | */
|
|---|
| 1020 | static PKWMODULE kwLdrModuleRetain(PKWMODULE pMod)
|
|---|
| 1021 | {
|
|---|
| 1022 | kHlpAssert(pMod->cRefs > 0);
|
|---|
| 1023 | kHlpAssert(pMod->cRefs < 64);
|
|---|
| 1024 | pMod->cRefs++;
|
|---|
| 1025 | return pMod;
|
|---|
| 1026 | }
|
|---|
| 1027 |
|
|---|
| 1028 |
|
|---|
| 1029 | /**
|
|---|
| 1030 | * Releases a module reference.
|
|---|
| 1031 | *
|
|---|
| 1032 | * @param pMod The module to release.
|
|---|
| 1033 | */
|
|---|
| 1034 | static void kwLdrModuleRelease(PKWMODULE pMod)
|
|---|
| 1035 | {
|
|---|
| 1036 | if (--pMod->cRefs == 0)
|
|---|
| 1037 | {
|
|---|
| 1038 | /* Unlink it. */
|
|---|
| 1039 | if (!pMod->fExe)
|
|---|
| 1040 | {
|
|---|
| 1041 | PKWMODULE pPrev = NULL;
|
|---|
| 1042 | unsigned idx = pMod->uHashPath % K_ELEMENTS(g_apModules);
|
|---|
| 1043 | if (g_apModules[idx] == pMod)
|
|---|
| 1044 | g_apModules[idx] = pMod->pNext;
|
|---|
| 1045 | else
|
|---|
| 1046 | {
|
|---|
| 1047 | PKWMODULE pPrev = g_apModules[idx];
|
|---|
| 1048 | kHlpAssert(pPrev != NULL);
|
|---|
| 1049 | while (pPrev->pNext != pMod)
|
|---|
| 1050 | {
|
|---|
| 1051 | pPrev = pPrev->pNext;
|
|---|
| 1052 | kHlpAssert(pPrev != NULL);
|
|---|
| 1053 | }
|
|---|
| 1054 | pPrev->pNext = pMod->pNext;
|
|---|
| 1055 | }
|
|---|
| 1056 | }
|
|---|
| 1057 |
|
|---|
| 1058 | /* Release import modules. */
|
|---|
| 1059 | if (!pMod->fNative)
|
|---|
| 1060 | {
|
|---|
| 1061 | KSIZE idx = pMod->u.Manual.cImpMods;
|
|---|
| 1062 | while (idx-- > 0)
|
|---|
| 1063 | {
|
|---|
| 1064 | kwLdrModuleRelease(pMod->u.Manual.apImpMods[idx]);
|
|---|
| 1065 | pMod->u.Manual.apImpMods[idx] = NULL;
|
|---|
| 1066 | }
|
|---|
| 1067 | }
|
|---|
| 1068 |
|
|---|
| 1069 | /* Free our resources. */
|
|---|
| 1070 | kLdrModClose(pMod->pLdrMod);
|
|---|
| 1071 | pMod->pLdrMod = NULL;
|
|---|
| 1072 |
|
|---|
| 1073 | if (!pMod->fNative)
|
|---|
| 1074 | {
|
|---|
| 1075 | kHlpPageFree(pMod->u.Manual.pvCopy, pMod->u.Manual.cbImage);
|
|---|
| 1076 | kHlpPageFree(pMod->u.Manual.pvLoad, pMod->u.Manual.cbImage);
|
|---|
| 1077 | }
|
|---|
| 1078 |
|
|---|
| 1079 | kHlpFree(pMod);
|
|---|
| 1080 | }
|
|---|
| 1081 | else
|
|---|
| 1082 | kHlpAssert(pMod->cRefs < 64);
|
|---|
| 1083 | }
|
|---|
| 1084 |
|
|---|
| 1085 |
|
|---|
| 1086 | /**
|
|---|
| 1087 | * Links the module into the module hash table.
|
|---|
| 1088 | *
|
|---|
| 1089 | * @returns pMod
|
|---|
| 1090 | * @param pMod The module to link.
|
|---|
| 1091 | */
|
|---|
| 1092 | static PKWMODULE kwLdrModuleLink(PKWMODULE pMod)
|
|---|
| 1093 | {
|
|---|
| 1094 | unsigned idx = pMod->uHashPath % K_ELEMENTS(g_apModules);
|
|---|
| 1095 | pMod->pNext = g_apModules[idx];
|
|---|
| 1096 | g_apModules[idx] = pMod;
|
|---|
| 1097 | return pMod;
|
|---|
| 1098 | }
|
|---|
| 1099 |
|
|---|
| 1100 |
|
|---|
| 1101 | /**
|
|---|
| 1102 | * Replaces imports for this module according to g_aSandboxNativeReplacements.
|
|---|
| 1103 | *
|
|---|
| 1104 | * @param pMod The natively loaded module to process.
|
|---|
| 1105 | */
|
|---|
| 1106 | static void kwLdrModuleDoNativeImportReplacements(PKWMODULE pMod)
|
|---|
| 1107 | {
|
|---|
| 1108 | KSIZE const cbImage = kLdrModSize(pMod->pLdrMod);
|
|---|
| 1109 | KU8 const * const pbImage = (KU8 const *)pMod->hOurMod;
|
|---|
| 1110 | IMAGE_DOS_HEADER const *pMzHdr = (IMAGE_DOS_HEADER const *)pbImage;
|
|---|
| 1111 | IMAGE_NT_HEADERS const *pNtHdrs;
|
|---|
| 1112 | IMAGE_DATA_DIRECTORY const *pDirEnt;
|
|---|
| 1113 |
|
|---|
| 1114 | kHlpAssert(pMod->fNative);
|
|---|
| 1115 |
|
|---|
| 1116 | /*
|
|---|
| 1117 | * Locate the export descriptors.
|
|---|
| 1118 | */
|
|---|
| 1119 | /* MZ header. */
|
|---|
| 1120 | if (pMzHdr->e_magic == IMAGE_DOS_SIGNATURE)
|
|---|
| 1121 | {
|
|---|
| 1122 | kHlpAssertReturnVoid(pMzHdr->e_lfanew <= cbImage - sizeof(*pNtHdrs));
|
|---|
| 1123 | pNtHdrs = (IMAGE_NT_HEADERS const *)&pbImage[pMzHdr->e_lfanew];
|
|---|
| 1124 | }
|
|---|
| 1125 | else
|
|---|
| 1126 | pNtHdrs = (IMAGE_NT_HEADERS const *)pbImage;
|
|---|
| 1127 |
|
|---|
| 1128 | /* Check PE header. */
|
|---|
| 1129 | kHlpAssertReturnVoid(pNtHdrs->Signature == IMAGE_NT_SIGNATURE);
|
|---|
| 1130 | kHlpAssertReturnVoid(pNtHdrs->FileHeader.SizeOfOptionalHeader == sizeof(pNtHdrs->OptionalHeader));
|
|---|
| 1131 |
|
|---|
| 1132 | /* Locate the import descriptor array. */
|
|---|
| 1133 | pDirEnt = (IMAGE_DATA_DIRECTORY const *)&pNtHdrs->OptionalHeader.DataDirectory[IMAGE_DIRECTORY_ENTRY_IMPORT];
|
|---|
| 1134 | if ( pDirEnt->Size > 0
|
|---|
| 1135 | && pDirEnt->VirtualAddress != 0)
|
|---|
| 1136 | {
|
|---|
| 1137 | const IMAGE_IMPORT_DESCRIPTOR *pImpDesc = (const IMAGE_IMPORT_DESCRIPTOR *)&pbImage[pDirEnt->VirtualAddress];
|
|---|
| 1138 | KU32 cLeft = pDirEnt->Size / sizeof(*pImpDesc);
|
|---|
| 1139 | MEMORY_BASIC_INFORMATION ProtInfo = { NULL, NULL, 0, 0, 0, 0, 0 };
|
|---|
| 1140 | KU8 *pbProtRange = NULL;
|
|---|
| 1141 | SIZE_T cbProtRange = 0;
|
|---|
| 1142 | DWORD fOldProt = 0;
|
|---|
| 1143 | KU32 const cbPage = 0x1000;
|
|---|
| 1144 | BOOL fRc;
|
|---|
| 1145 |
|
|---|
| 1146 |
|
|---|
| 1147 | kHlpAssertReturnVoid(pDirEnt->VirtualAddress < cbImage);
|
|---|
| 1148 | kHlpAssertReturnVoid(pDirEnt->Size < cbImage);
|
|---|
| 1149 | kHlpAssertReturnVoid(pDirEnt->VirtualAddress + pDirEnt->Size <= cbImage);
|
|---|
| 1150 |
|
|---|
| 1151 | /*
|
|---|
| 1152 | * Walk the import descriptor array.
|
|---|
| 1153 | * Note! This only works if there's a backup thunk array, otherwise we cannot get at the name.
|
|---|
| 1154 | */
|
|---|
| 1155 | while ( cLeft-- > 0
|
|---|
| 1156 | && pImpDesc->Name > 0
|
|---|
| 1157 | && pImpDesc->FirstThunk > 0)
|
|---|
| 1158 | {
|
|---|
| 1159 | KU32 iThunk;
|
|---|
| 1160 | const char * const pszImport = (const char *)&pbImage[pImpDesc->Name];
|
|---|
| 1161 | PIMAGE_THUNK_DATA paThunks = (PIMAGE_THUNK_DATA)&pbImage[pImpDesc->FirstThunk];
|
|---|
| 1162 | PIMAGE_THUNK_DATA paOrgThunks = (PIMAGE_THUNK_DATA)&pbImage[pImpDesc->OriginalFirstThunk];
|
|---|
| 1163 | kHlpAssertReturnVoid(pImpDesc->Name < cbImage);
|
|---|
| 1164 | kHlpAssertReturnVoid(pImpDesc->FirstThunk < cbImage);
|
|---|
| 1165 | kHlpAssertReturnVoid(pImpDesc->OriginalFirstThunk < cbImage);
|
|---|
| 1166 | kHlpAssertReturnVoid(pImpDesc->OriginalFirstThunk != pImpDesc->FirstThunk);
|
|---|
| 1167 | kHlpAssertReturnVoid(pImpDesc->OriginalFirstThunk);
|
|---|
| 1168 |
|
|---|
| 1169 | /* Iterate the thunks. */
|
|---|
| 1170 | for (iThunk = 0; paOrgThunks[iThunk].u1.Ordinal != 0; iThunk++)
|
|---|
| 1171 | {
|
|---|
| 1172 | KUPTR const off = paOrgThunks[iThunk].u1.Function;
|
|---|
| 1173 | kHlpAssertReturnVoid(off < cbImage);
|
|---|
| 1174 | if (!IMAGE_SNAP_BY_ORDINAL(off))
|
|---|
| 1175 | {
|
|---|
| 1176 | IMAGE_IMPORT_BY_NAME const *pName = (IMAGE_IMPORT_BY_NAME const *)&pbImage[off];
|
|---|
| 1177 | KSIZE const cchSymbol = kHlpStrLen(pName->Name);
|
|---|
| 1178 | KU32 i = g_cSandboxNativeReplacements;
|
|---|
| 1179 | while (i-- > 0)
|
|---|
| 1180 | if ( g_aSandboxNativeReplacements[i].cchFunction == cchSymbol
|
|---|
| 1181 | && kHlpMemComp(g_aSandboxNativeReplacements[i].pszFunction, pName->Name, cchSymbol) == 0)
|
|---|
| 1182 | {
|
|---|
| 1183 | if ( !g_aSandboxNativeReplacements[i].pszModule
|
|---|
| 1184 | || kHlpStrICompAscii(g_aSandboxNativeReplacements[i].pszModule, pszImport) == 0)
|
|---|
| 1185 | {
|
|---|
| 1186 | KW_LOG(("%s: replacing %s!%s\n", pMod->pLdrMod->pszName, pszImport, pName->Name));
|
|---|
| 1187 |
|
|---|
| 1188 | /* The .rdata section is normally read-only, so we need to make it writable first. */
|
|---|
| 1189 | if ((KUPTR)&paThunks[iThunk] - (KUPTR)pbProtRange >= cbPage)
|
|---|
| 1190 | {
|
|---|
| 1191 | /* Restore previous .rdata page. */
|
|---|
| 1192 | if (fOldProt)
|
|---|
| 1193 | {
|
|---|
| 1194 | fRc = VirtualProtect(pbProtRange, cbProtRange, fOldProt, NULL /*pfOldProt*/);
|
|---|
| 1195 | kHlpAssert(fRc);
|
|---|
| 1196 | fOldProt = 0;
|
|---|
| 1197 | }
|
|---|
| 1198 |
|
|---|
| 1199 | /* Query attributes for the current .rdata page. */
|
|---|
| 1200 | pbProtRange = (KU8 *)((KUPTR)&paThunks[iThunk] & ~(KUPTR)(cbPage - 1));
|
|---|
| 1201 | cbProtRange = VirtualQuery(pbProtRange, &ProtInfo, sizeof(ProtInfo));
|
|---|
| 1202 | kHlpAssert(cbProtRange);
|
|---|
| 1203 | if (cbProtRange)
|
|---|
| 1204 | {
|
|---|
| 1205 | switch (ProtInfo.Protect)
|
|---|
| 1206 | {
|
|---|
| 1207 | case PAGE_READWRITE:
|
|---|
| 1208 | case PAGE_WRITECOPY:
|
|---|
| 1209 | case PAGE_EXECUTE_READWRITE:
|
|---|
| 1210 | case PAGE_EXECUTE_WRITECOPY:
|
|---|
| 1211 | /* Already writable, nothing to do. */
|
|---|
| 1212 | break;
|
|---|
| 1213 |
|
|---|
| 1214 | default:
|
|---|
| 1215 | kHlpAssertMsgFailed(("%#x\n", ProtInfo.Protect));
|
|---|
| 1216 | case PAGE_READONLY:
|
|---|
| 1217 | cbProtRange = cbPage;
|
|---|
| 1218 | fRc = VirtualProtect(pbProtRange, cbProtRange, PAGE_READWRITE, &fOldProt);
|
|---|
| 1219 | break;
|
|---|
| 1220 |
|
|---|
| 1221 | case PAGE_EXECUTE:
|
|---|
| 1222 | case PAGE_EXECUTE_READ:
|
|---|
| 1223 | cbProtRange = cbPage;
|
|---|
| 1224 | fRc = VirtualProtect(pbProtRange, cbProtRange, PAGE_EXECUTE_READWRITE, &fOldProt);
|
|---|
| 1225 | break;
|
|---|
| 1226 | }
|
|---|
| 1227 | kHlpAssertStmt(fRc, fOldProt = 0);
|
|---|
| 1228 | }
|
|---|
| 1229 | }
|
|---|
| 1230 |
|
|---|
| 1231 | paThunks[iThunk].u1.AddressOfData = g_aSandboxNativeReplacements[i].pfnReplacement;
|
|---|
| 1232 | break;
|
|---|
| 1233 | }
|
|---|
| 1234 | }
|
|---|
| 1235 | }
|
|---|
| 1236 | }
|
|---|
| 1237 |
|
|---|
| 1238 |
|
|---|
| 1239 | /* Next import descriptor. */
|
|---|
| 1240 | pImpDesc++;
|
|---|
| 1241 | }
|
|---|
| 1242 |
|
|---|
| 1243 |
|
|---|
| 1244 | if (fOldProt)
|
|---|
| 1245 | {
|
|---|
| 1246 | DWORD fIgnore = 0;
|
|---|
| 1247 | fRc = VirtualProtect(pbProtRange, cbProtRange, fOldProt, &fIgnore);
|
|---|
| 1248 | kHlpAssertMsg(fRc, ("%u\n", GetLastError())); K_NOREF(fRc);
|
|---|
| 1249 | }
|
|---|
| 1250 | }
|
|---|
| 1251 |
|
|---|
| 1252 | }
|
|---|
| 1253 |
|
|---|
| 1254 |
|
|---|
| 1255 | /**
|
|---|
| 1256 | * Creates a module using the native loader.
|
|---|
| 1257 | *
|
|---|
| 1258 | * @returns Module w/ 1 reference on success, NULL on failure.
|
|---|
| 1259 | * @param pszPath The normalized path to the module.
|
|---|
| 1260 | * @param uHashPath The module path hash.
|
|---|
| 1261 | * @param fDoReplacements Whether to do import replacements on this
|
|---|
| 1262 | * module.
|
|---|
| 1263 | */
|
|---|
| 1264 | static PKWMODULE kwLdrModuleCreateNative(const char *pszPath, KU32 uHashPath, KBOOL fDoReplacements)
|
|---|
| 1265 | {
|
|---|
| 1266 | /*
|
|---|
| 1267 | * Open the module and check the type.
|
|---|
| 1268 | */
|
|---|
| 1269 | PKLDRMOD pLdrMod;
|
|---|
| 1270 | int rc = kLdrModOpenNative(pszPath, &pLdrMod);
|
|---|
| 1271 | if (rc == 0)
|
|---|
| 1272 | {
|
|---|
| 1273 | /*
|
|---|
| 1274 | * Create the entry.
|
|---|
| 1275 | */
|
|---|
| 1276 | KSIZE cbPath = kHlpStrLen(pszPath) + 1;
|
|---|
| 1277 | PKWMODULE pMod = (PKWMODULE)kHlpAllocZ(sizeof(*pMod) + cbPath + 1 + cbPath * 2 * sizeof(wchar_t));
|
|---|
| 1278 | if (pMod)
|
|---|
| 1279 | {
|
|---|
| 1280 | pMod->pszPath = (char *)kHlpMemCopy(pMod + 1, pszPath, cbPath);
|
|---|
| 1281 | pMod->pwszPath = (wchar_t *)(pMod->pszPath + cbPath + (cbPath & 1));
|
|---|
| 1282 | kwStrToUtf16(pMod->pszPath, (wchar_t *)pMod->pwszPath, cbPath * 2);
|
|---|
| 1283 | pMod->uHashPath = uHashPath;
|
|---|
| 1284 | pMod->cRefs = 1;
|
|---|
| 1285 | pMod->offFilename = (KU16)(kHlpGetFilename(pszPath) - pszPath);
|
|---|
| 1286 | pMod->fExe = K_FALSE;
|
|---|
| 1287 | pMod->fNative = K_TRUE;
|
|---|
| 1288 | pMod->pLdrMod = pLdrMod;
|
|---|
| 1289 | pMod->hOurMod = (HMODULE)(KUPTR)pLdrMod->aSegments[0].MapAddress;
|
|---|
| 1290 |
|
|---|
| 1291 | if (fDoReplacements)
|
|---|
| 1292 | {
|
|---|
| 1293 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 1294 | kwLdrModuleDoNativeImportReplacements(pMod);
|
|---|
| 1295 | SetLastError(dwSavedErr);
|
|---|
| 1296 | }
|
|---|
| 1297 |
|
|---|
| 1298 | KW_LOG(("New module: %p LB %#010x %s (native)\n",
|
|---|
| 1299 | (KUPTR)pMod->pLdrMod->aSegments[0].MapAddress, kLdrModSize(pMod->pLdrMod), pMod->pszPath));
|
|---|
| 1300 | return kwLdrModuleLink(pMod);
|
|---|
| 1301 | }
|
|---|
| 1302 | //kLdrModClose(pLdrMod);
|
|---|
| 1303 | }
|
|---|
| 1304 | return NULL;
|
|---|
| 1305 | }
|
|---|
| 1306 |
|
|---|
| 1307 |
|
|---|
| 1308 | /**
|
|---|
| 1309 | * Creates a module using the our own loader.
|
|---|
| 1310 | *
|
|---|
| 1311 | * @returns Module w/ 1 reference on success, NULL on failure.
|
|---|
| 1312 | * @param pszPath The normalized path to the module.
|
|---|
| 1313 | * @param uHashPath The module path hash.
|
|---|
| 1314 | * @param fExe K_TRUE if this is an executable image, K_FALSE
|
|---|
| 1315 | * if not. Executable images does not get entered
|
|---|
| 1316 | * into the global module table.
|
|---|
| 1317 | * @param pExeMod The executable module of the process (for
|
|---|
| 1318 | * resolving imports). NULL if fExe is set.
|
|---|
| 1319 | */
|
|---|
| 1320 | static PKWMODULE kwLdrModuleCreateNonNative(const char *pszPath, KU32 uHashPath, KBOOL fExe, PKWMODULE pExeMod)
|
|---|
| 1321 | {
|
|---|
| 1322 | /*
|
|---|
| 1323 | * Open the module and check the type.
|
|---|
| 1324 | */
|
|---|
| 1325 | PKLDRMOD pLdrMod;
|
|---|
| 1326 | int rc = kLdrModOpen(pszPath, 0 /*fFlags*/, (KCPUARCH)K_ARCH, &pLdrMod);
|
|---|
| 1327 | if (rc == 0)
|
|---|
| 1328 | {
|
|---|
| 1329 | switch (pLdrMod->enmType)
|
|---|
| 1330 | {
|
|---|
| 1331 | case KLDRTYPE_EXECUTABLE_FIXED:
|
|---|
| 1332 | case KLDRTYPE_EXECUTABLE_RELOCATABLE:
|
|---|
| 1333 | case KLDRTYPE_EXECUTABLE_PIC:
|
|---|
| 1334 | if (!fExe)
|
|---|
| 1335 | rc = KERR_GENERAL_FAILURE;
|
|---|
| 1336 | break;
|
|---|
| 1337 |
|
|---|
| 1338 | case KLDRTYPE_SHARED_LIBRARY_RELOCATABLE:
|
|---|
| 1339 | case KLDRTYPE_SHARED_LIBRARY_PIC:
|
|---|
| 1340 | case KLDRTYPE_SHARED_LIBRARY_FIXED:
|
|---|
| 1341 | if (fExe)
|
|---|
| 1342 | rc = KERR_GENERAL_FAILURE;
|
|---|
| 1343 | break;
|
|---|
| 1344 |
|
|---|
| 1345 | default:
|
|---|
| 1346 | rc = KERR_GENERAL_FAILURE;
|
|---|
| 1347 | break;
|
|---|
| 1348 | }
|
|---|
| 1349 | if (rc == 0)
|
|---|
| 1350 | {
|
|---|
| 1351 | KI32 cImports = kLdrModNumberOfImports(pLdrMod, NULL /*pvBits*/);
|
|---|
| 1352 | if (cImports >= 0)
|
|---|
| 1353 | {
|
|---|
| 1354 | /*
|
|---|
| 1355 | * Create the entry.
|
|---|
| 1356 | */
|
|---|
| 1357 | KSIZE cbPath = kHlpStrLen(pszPath) + 1;
|
|---|
| 1358 | PKWMODULE pMod = (PKWMODULE)kHlpAllocZ(sizeof(*pMod)
|
|---|
| 1359 | + sizeof(pMod) * cImports
|
|---|
| 1360 | + cbPath
|
|---|
| 1361 | + cbPath * 2 * sizeof(wchar_t));
|
|---|
| 1362 | if (pMod)
|
|---|
| 1363 | {
|
|---|
| 1364 | KBOOL fFixed;
|
|---|
| 1365 |
|
|---|
| 1366 | pMod->cRefs = 1;
|
|---|
| 1367 | pMod->offFilename = (KU16)(kHlpGetFilename(pszPath) - pszPath);
|
|---|
| 1368 | pMod->uHashPath = uHashPath;
|
|---|
| 1369 | pMod->fExe = fExe;
|
|---|
| 1370 | pMod->fNative = K_FALSE;
|
|---|
| 1371 | pMod->pLdrMod = pLdrMod;
|
|---|
| 1372 | pMod->u.Manual.cImpMods = (KU32)cImports;
|
|---|
| 1373 | pMod->pszPath = (char *)kHlpMemCopy(&pMod->u.Manual.apImpMods[cImports + 1], pszPath, cbPath);
|
|---|
| 1374 | pMod->pwszPath = (wchar_t *)(pMod->pszPath + cbPath + (cbPath & 1));
|
|---|
| 1375 | kwStrToUtf16(pMod->pszPath, (wchar_t *)pMod->pwszPath, cbPath * 2);
|
|---|
| 1376 |
|
|---|
| 1377 | /*
|
|---|
| 1378 | * Figure out where to load it and get memory there.
|
|---|
| 1379 | */
|
|---|
| 1380 | fFixed = pLdrMod->enmType == KLDRTYPE_EXECUTABLE_FIXED
|
|---|
| 1381 | || pLdrMod->enmType == KLDRTYPE_SHARED_LIBRARY_FIXED;
|
|---|
| 1382 | pMod->u.Manual.pvLoad = fFixed ? (void *)(KUPTR)pLdrMod->aSegments[0].LinkAddress : NULL;
|
|---|
| 1383 | pMod->u.Manual.cbImage = kLdrModSize(pLdrMod);
|
|---|
| 1384 | if ( !fFixed
|
|---|
| 1385 | || (KUPTR)pMod->u.Manual.pvLoad - (KUPTR)g_abDefLdBuf >= sizeof(g_abDefLdBuf)
|
|---|
| 1386 | || sizeof(g_abDefLdBuf) - (KUPTR)pMod->u.Manual.pvLoad - (KUPTR)g_abDefLdBuf < pMod->u.Manual.cbImage)
|
|---|
| 1387 | rc = kHlpPageAlloc(&pMod->u.Manual.pvLoad, pMod->u.Manual.cbImage, KPROT_EXECUTE_READWRITE, fFixed);
|
|---|
| 1388 | if (rc == 0)
|
|---|
| 1389 | {
|
|---|
| 1390 | rc = kHlpPageAlloc(&pMod->u.Manual.pvCopy, pMod->u.Manual.cbImage, KPROT_READWRITE, K_FALSE);
|
|---|
| 1391 | if (rc == 0)
|
|---|
| 1392 | {
|
|---|
| 1393 |
|
|---|
| 1394 | KI32 iImp;
|
|---|
| 1395 |
|
|---|
| 1396 | /*
|
|---|
| 1397 | * Link the module (unless it's an executable image) and process the imports.
|
|---|
| 1398 | */
|
|---|
| 1399 | pMod->hOurMod = (HMODULE)pMod->u.Manual.pvLoad;
|
|---|
| 1400 | if (!fExe)
|
|---|
| 1401 | kwLdrModuleLink(pMod);
|
|---|
| 1402 | KW_LOG(("New module: %p LB %#010x %s (kLdr)\n",
|
|---|
| 1403 | pMod->u.Manual.pvLoad, pMod->u.Manual.cbImage, pMod->pszPath));
|
|---|
| 1404 | kwDebuggerPrintf("TODO: .reload /f %s=%p\n", pMod->pszPath, pMod->u.Manual.pvLoad);
|
|---|
| 1405 |
|
|---|
| 1406 | for (iImp = 0; iImp < cImports; iImp++)
|
|---|
| 1407 | {
|
|---|
| 1408 | char szName[1024];
|
|---|
| 1409 | rc = kLdrModGetImport(pMod->pLdrMod, NULL /*pvBits*/, iImp, szName, sizeof(szName));
|
|---|
| 1410 | if (rc == 0)
|
|---|
| 1411 | {
|
|---|
| 1412 | rc = kwLdrModuleResolveAndLookup(szName, pExeMod, pMod, &pMod->u.Manual.apImpMods[iImp]);
|
|---|
| 1413 | if (rc == 0)
|
|---|
| 1414 | continue;
|
|---|
| 1415 | }
|
|---|
| 1416 | break;
|
|---|
| 1417 | }
|
|---|
| 1418 |
|
|---|
| 1419 | if (rc == 0)
|
|---|
| 1420 | {
|
|---|
| 1421 | rc = kLdrModGetBits(pLdrMod, pMod->u.Manual.pvCopy, (KUPTR)pMod->u.Manual.pvLoad,
|
|---|
| 1422 | kwLdrModuleGetImportCallback, pMod);
|
|---|
| 1423 | if (rc == 0)
|
|---|
| 1424 | {
|
|---|
| 1425 | pMod->u.Manual.pvBits = pMod->u.Manual.pvCopy;
|
|---|
| 1426 | pMod->u.Manual.enmState = KWMODSTATE_NEEDS_BITS;
|
|---|
| 1427 | return pMod;
|
|---|
| 1428 | }
|
|---|
| 1429 | }
|
|---|
| 1430 |
|
|---|
| 1431 | kwLdrModuleRelease(pMod);
|
|---|
| 1432 | return NULL;
|
|---|
| 1433 | }
|
|---|
| 1434 |
|
|---|
| 1435 | kHlpPageFree(pMod->u.Manual.pvLoad, pMod->u.Manual.cbImage);
|
|---|
| 1436 | kwErrPrintf("Failed to allocate %#x bytes\n", pMod->u.Manual.cbImage);
|
|---|
| 1437 | }
|
|---|
| 1438 | else if (fFixed)
|
|---|
| 1439 | kwErrPrintf("Failed to allocate %#x bytes at %p\n",
|
|---|
| 1440 | pMod->u.Manual.cbImage, (void *)(KUPTR)pLdrMod->aSegments[0].LinkAddress);
|
|---|
| 1441 | else
|
|---|
| 1442 | kwErrPrintf("Failed to allocate %#x bytes\n", pMod->u.Manual.cbImage);
|
|---|
| 1443 | }
|
|---|
| 1444 | }
|
|---|
| 1445 | }
|
|---|
| 1446 | kLdrModClose(pLdrMod);
|
|---|
| 1447 | }
|
|---|
| 1448 | else
|
|---|
| 1449 | kwErrPrintf("kLdrOpen failed with %#x (%d) for %s\n", rc, rc, pszPath);
|
|---|
| 1450 | return NULL;
|
|---|
| 1451 | }
|
|---|
| 1452 |
|
|---|
| 1453 |
|
|---|
| 1454 | /** Implements FNKLDRMODGETIMPORT, used by kwLdrModuleCreate. */
|
|---|
| 1455 | static int kwLdrModuleGetImportCallback(PKLDRMOD pMod, KU32 iImport, KU32 iSymbol, const char *pchSymbol, KSIZE cchSymbol,
|
|---|
| 1456 | const char *pszVersion, PKLDRADDR puValue, KU32 *pfKind, void *pvUser)
|
|---|
| 1457 | {
|
|---|
| 1458 | PKWMODULE pCurMod = (PKWMODULE)pvUser;
|
|---|
| 1459 | PKWMODULE pImpMod = pCurMod->u.Manual.apImpMods[iImport];
|
|---|
| 1460 | int rc;
|
|---|
| 1461 | K_NOREF(pMod);
|
|---|
| 1462 |
|
|---|
| 1463 | if (pImpMod->fNative)
|
|---|
| 1464 | rc = kLdrModQuerySymbol(pImpMod->pLdrMod, NULL /*pvBits*/, KLDRMOD_BASEADDRESS_MAP,
|
|---|
| 1465 | iSymbol, pchSymbol, cchSymbol, pszVersion,
|
|---|
| 1466 | NULL /*pfnGetForwarder*/, NULL /*pvUSer*/,
|
|---|
| 1467 | puValue, pfKind);
|
|---|
| 1468 | else
|
|---|
| 1469 | rc = kLdrModQuerySymbol(pImpMod->pLdrMod, pImpMod->u.Manual.pvBits, (KUPTR)pImpMod->u.Manual.pvLoad,
|
|---|
| 1470 | iSymbol, pchSymbol, cchSymbol, pszVersion,
|
|---|
| 1471 | NULL /*pfnGetForwarder*/, NULL /*pvUSer*/,
|
|---|
| 1472 | puValue, pfKind);
|
|---|
| 1473 | if (rc == 0)
|
|---|
| 1474 | {
|
|---|
| 1475 | KU32 i = g_cSandboxReplacements;
|
|---|
| 1476 | while (i-- > 0)
|
|---|
| 1477 | if ( g_aSandboxReplacements[i].cchFunction == cchSymbol
|
|---|
| 1478 | && kHlpMemComp(g_aSandboxReplacements[i].pszFunction, pchSymbol, cchSymbol) == 0)
|
|---|
| 1479 | {
|
|---|
| 1480 | if ( !g_aSandboxReplacements[i].pszModule
|
|---|
| 1481 | || kHlpStrICompAscii(g_aSandboxReplacements[i].pszModule, &pImpMod->pszPath[pImpMod->offFilename]) == 0)
|
|---|
| 1482 | {
|
|---|
| 1483 | KW_LOG(("replacing %s!%s\n", &pImpMod->pszPath[pImpMod->offFilename], g_aSandboxReplacements[i].pszFunction));
|
|---|
| 1484 | *puValue = g_aSandboxReplacements[i].pfnReplacement;
|
|---|
| 1485 | break;
|
|---|
| 1486 | }
|
|---|
| 1487 | }
|
|---|
| 1488 | }
|
|---|
| 1489 |
|
|---|
| 1490 | //printf("iImport=%u (%s) %*.*s rc=%d\n", iImport, &pImpMod->pszPath[pImpMod->offFilename], cchSymbol, cchSymbol, pchSymbol, rc);
|
|---|
| 1491 | return rc;
|
|---|
| 1492 |
|
|---|
| 1493 | }
|
|---|
| 1494 |
|
|---|
| 1495 |
|
|---|
| 1496 | /**
|
|---|
| 1497 | * Gets the main entrypoint for a module.
|
|---|
| 1498 | *
|
|---|
| 1499 | * @returns 0 on success, KERR on failure
|
|---|
| 1500 | * @param pMod The module.
|
|---|
| 1501 | * @param puAddrMain Where to return the address.
|
|---|
| 1502 | */
|
|---|
| 1503 | static int kwLdrModuleQueryMainEntrypoint(PKWMODULE pMod, KUPTR *puAddrMain)
|
|---|
| 1504 | {
|
|---|
| 1505 | KLDRADDR uLdrAddrMain;
|
|---|
| 1506 | int rc = kLdrModQueryMainEntrypoint(pMod->pLdrMod, pMod->u.Manual.pvBits, (KUPTR)pMod->u.Manual.pvLoad, &uLdrAddrMain);
|
|---|
| 1507 | if (rc == 0)
|
|---|
| 1508 | {
|
|---|
| 1509 | *puAddrMain = (KUPTR)uLdrAddrMain;
|
|---|
| 1510 | return 0;
|
|---|
| 1511 | }
|
|---|
| 1512 | return rc;
|
|---|
| 1513 | }
|
|---|
| 1514 |
|
|---|
| 1515 |
|
|---|
| 1516 | /**
|
|---|
| 1517 | * Whether to apply g_aSandboxNativeReplacements to the imports of this module.
|
|---|
| 1518 | *
|
|---|
| 1519 | * @returns K_TRUE/K_FALSE.
|
|---|
| 1520 | * @param pszFilename The filename (no path).
|
|---|
| 1521 | * @param enmLocation The location.
|
|---|
| 1522 | */
|
|---|
| 1523 | static KBOOL kwLdrModuleShouldDoNativeReplacements(const char *pszFilename, KWLOCATION enmLocation)
|
|---|
| 1524 | {
|
|---|
| 1525 | if (enmLocation != KWLOCATION_SYSTEM32)
|
|---|
| 1526 | return K_TRUE;
|
|---|
| 1527 | return kHlpStrNICompAscii(pszFilename, TUPLE("msvc")) == 0
|
|---|
| 1528 | || kHlpStrNICompAscii(pszFilename, TUPLE("msdis")) == 0
|
|---|
| 1529 | || kHlpStrNICompAscii(pszFilename, TUPLE("mspdb")) == 0;
|
|---|
| 1530 | }
|
|---|
| 1531 |
|
|---|
| 1532 |
|
|---|
| 1533 | /**
|
|---|
| 1534 | * Whether we can load this DLL natively or not.
|
|---|
| 1535 | *
|
|---|
| 1536 | * @returns K_TRUE/K_FALSE.
|
|---|
| 1537 | * @param pszFilename The filename (no path).
|
|---|
| 1538 | * @param enmLocation The location.
|
|---|
| 1539 | */
|
|---|
| 1540 | static KBOOL kwLdrModuleCanLoadNatively(const char *pszFilename, KWLOCATION enmLocation)
|
|---|
| 1541 | {
|
|---|
| 1542 | if (enmLocation == KWLOCATION_SYSTEM32)
|
|---|
| 1543 | return K_TRUE;
|
|---|
| 1544 | if (enmLocation == KWLOCATION_UNKNOWN_NATIVE)
|
|---|
| 1545 | return K_TRUE;
|
|---|
| 1546 | return kHlpStrNICompAscii(pszFilename, TUPLE("msvc")) == 0
|
|---|
| 1547 | || kHlpStrNICompAscii(pszFilename, TUPLE("msdis")) == 0
|
|---|
| 1548 | || kHlpStrNICompAscii(pszFilename, TUPLE("mspdb")) == 0;
|
|---|
| 1549 | }
|
|---|
| 1550 |
|
|---|
| 1551 |
|
|---|
| 1552 | /**
|
|---|
| 1553 | * Check if the path leads to a regular file (that exists).
|
|---|
| 1554 | *
|
|---|
| 1555 | * @returns K_TRUE / K_FALSE
|
|---|
| 1556 | * @param pszPath Path to the file to check out.
|
|---|
| 1557 | */
|
|---|
| 1558 | static KBOOL kwLdrModuleIsRegularFile(const char *pszPath)
|
|---|
| 1559 | {
|
|---|
| 1560 | /* For stuff with .DLL extensions, we can use the GetFileAttribute cache to speed this up! */
|
|---|
| 1561 | KSIZE cchPath = kHlpStrLen(pszPath);
|
|---|
| 1562 | if ( cchPath > 3
|
|---|
| 1563 | && pszPath[cchPath - 4] == '.'
|
|---|
| 1564 | && (pszPath[cchPath - 3] == 'd' || pszPath[cchPath - 3] == 'D')
|
|---|
| 1565 | && (pszPath[cchPath - 2] == 'l' || pszPath[cchPath - 2] == 'L')
|
|---|
| 1566 | && (pszPath[cchPath - 1] == 'l' || pszPath[cchPath - 1] == 'L') )
|
|---|
| 1567 | {
|
|---|
| 1568 | PKWFSOBJ pFsObj = kwFsLookupA(pszPath);
|
|---|
| 1569 | if (pFsObj)
|
|---|
| 1570 | {
|
|---|
| 1571 | if (!(pFsObj->fAttribs & (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_DEVICE))) /* also checks invalid */
|
|---|
| 1572 | return K_TRUE;
|
|---|
| 1573 | }
|
|---|
| 1574 | }
|
|---|
| 1575 | else
|
|---|
| 1576 | {
|
|---|
| 1577 | BirdStat_T Stat;
|
|---|
| 1578 | int rc = birdStatFollowLink(pszPath, &Stat);
|
|---|
| 1579 | if (rc == 0)
|
|---|
| 1580 | {
|
|---|
| 1581 | if (S_ISREG(Stat.st_mode))
|
|---|
| 1582 | return K_TRUE;
|
|---|
| 1583 | }
|
|---|
| 1584 | }
|
|---|
| 1585 | return K_FALSE;
|
|---|
| 1586 | }
|
|---|
| 1587 |
|
|---|
| 1588 |
|
|---|
| 1589 | /**
|
|---|
| 1590 | * Worker for kwLdrModuleResolveAndLookup that checks out one possibility.
|
|---|
| 1591 | *
|
|---|
| 1592 | * If the file exists, we consult the module hash table before trying to load it
|
|---|
| 1593 | * off the disk.
|
|---|
| 1594 | *
|
|---|
| 1595 | * @returns Pointer to module on success, NULL if not found, ~(KUPTR)0 on
|
|---|
| 1596 | * failure.
|
|---|
| 1597 | * @param pszPath The name of the import module.
|
|---|
| 1598 | * @param enmLocation The location we're searching. This is used in
|
|---|
| 1599 | * the heuristics for determining if we can use the
|
|---|
| 1600 | * native loader or need to sandbox the DLL.
|
|---|
| 1601 | * @param pExe The executable (optional).
|
|---|
| 1602 | */
|
|---|
| 1603 | static PKWMODULE kwLdrModuleTryLoadDll(const char *pszPath, KWLOCATION enmLocation, PKWMODULE pExeMod)
|
|---|
| 1604 | {
|
|---|
| 1605 | /*
|
|---|
| 1606 | * Does the file exists and is it a regular file?
|
|---|
| 1607 | */
|
|---|
| 1608 | if (kwLdrModuleIsRegularFile(pszPath))
|
|---|
| 1609 | {
|
|---|
| 1610 | /*
|
|---|
| 1611 | * Yes! Normalize it and look it up in the hash table.
|
|---|
| 1612 | */
|
|---|
| 1613 | char szNormPath[1024];
|
|---|
| 1614 | int rc = kwPathNormalize(pszPath, szNormPath, sizeof(szNormPath));
|
|---|
| 1615 | if (rc == 0)
|
|---|
| 1616 | {
|
|---|
| 1617 | const char *pszName;
|
|---|
| 1618 | KU32 const uHashPath = kwStrHash(szNormPath);
|
|---|
| 1619 | unsigned idxHash = uHashPath % K_ELEMENTS(g_apModules);
|
|---|
| 1620 | PKWMODULE pMod = g_apModules[idxHash];
|
|---|
| 1621 | if (pMod)
|
|---|
| 1622 | {
|
|---|
| 1623 | do
|
|---|
| 1624 | {
|
|---|
| 1625 | if ( pMod->uHashPath == uHashPath
|
|---|
| 1626 | && kHlpStrComp(pMod->pszPath, szNormPath) == 0)
|
|---|
| 1627 | return kwLdrModuleRetain(pMod);
|
|---|
| 1628 | pMod = pMod->pNext;
|
|---|
| 1629 | } while (pMod);
|
|---|
| 1630 | }
|
|---|
| 1631 |
|
|---|
| 1632 | /*
|
|---|
| 1633 | * Not in the hash table, so we have to load it from scratch.
|
|---|
| 1634 | */
|
|---|
| 1635 | pszName = kHlpGetFilename(szNormPath);
|
|---|
| 1636 | if (kwLdrModuleCanLoadNatively(pszName, enmLocation))
|
|---|
| 1637 | pMod = kwLdrModuleCreateNative(szNormPath, uHashPath,
|
|---|
| 1638 | kwLdrModuleShouldDoNativeReplacements(pszName, enmLocation));
|
|---|
| 1639 | else
|
|---|
| 1640 | pMod = kwLdrModuleCreateNonNative(szNormPath, uHashPath, K_FALSE /*fExe*/, pExeMod);
|
|---|
| 1641 | if (pMod)
|
|---|
| 1642 | return pMod;
|
|---|
| 1643 | return (PKWMODULE)~(KUPTR)0;
|
|---|
| 1644 | }
|
|---|
| 1645 | }
|
|---|
| 1646 | return NULL;
|
|---|
| 1647 | }
|
|---|
| 1648 |
|
|---|
| 1649 |
|
|---|
| 1650 | /**
|
|---|
| 1651 | * Gets a reference to the module by the given name.
|
|---|
| 1652 | *
|
|---|
| 1653 | * We must do the search path thing, as our hash table may multiple DLLs with
|
|---|
| 1654 | * the same base name due to different tools version and similar. We'll use a
|
|---|
| 1655 | * modified search sequence, though. No point in searching the current
|
|---|
| 1656 | * directory for instance.
|
|---|
| 1657 | *
|
|---|
| 1658 | * @returns 0 on success, KERR on failure.
|
|---|
| 1659 | * @param pszName The name of the import module.
|
|---|
| 1660 | * @param pExe The executable (optional).
|
|---|
| 1661 | * @param pImporter The module doing the importing (optional).
|
|---|
| 1662 | * @param ppMod Where to return the module pointer w/ reference.
|
|---|
| 1663 | */
|
|---|
| 1664 | static int kwLdrModuleResolveAndLookup(const char *pszName, PKWMODULE pExe, PKWMODULE pImporter, PKWMODULE *ppMod)
|
|---|
| 1665 | {
|
|---|
| 1666 | KSIZE const cchName = kHlpStrLen(pszName);
|
|---|
| 1667 | char szPath[1024];
|
|---|
| 1668 | PKWMODULE pMod = NULL;
|
|---|
| 1669 |
|
|---|
| 1670 |
|
|---|
| 1671 | /* The import path. */
|
|---|
| 1672 | if (pMod == NULL && pImporter != NULL)
|
|---|
| 1673 | {
|
|---|
| 1674 | if (pImporter->offFilename + cchName >= sizeof(szPath))
|
|---|
| 1675 | return KERR_BUFFER_OVERFLOW;
|
|---|
| 1676 | kHlpMemCopy(kHlpMemPCopy(szPath, pImporter->pszPath, pImporter->offFilename), pszName, cchName + 1);
|
|---|
| 1677 | pMod = kwLdrModuleTryLoadDll(szPath, KWLOCATION_IMPORTER_DIR, pExe);
|
|---|
| 1678 | }
|
|---|
| 1679 |
|
|---|
| 1680 | /* Application directory first. */
|
|---|
| 1681 | if (pMod == NULL && pExe != NULL && pExe != pImporter)
|
|---|
| 1682 | {
|
|---|
| 1683 | if (pExe->offFilename + cchName >= sizeof(szPath))
|
|---|
| 1684 | return KERR_BUFFER_OVERFLOW;
|
|---|
| 1685 | kHlpMemCopy(kHlpMemPCopy(szPath, pExe->pszPath, pExe->offFilename), pszName, cchName + 1);
|
|---|
| 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 >= sizeof(szPath))
|
|---|
| 1695 | return KERR_BUFFER_OVERFLOW;
|
|---|
| 1696 | szPath[cchDir++] = '\\';
|
|---|
| 1697 | kHlpMemCopy(&szPath[cchDir], pszName, cchName + 1);
|
|---|
| 1698 | pMod = kwLdrModuleTryLoadDll(szPath, KWLOCATION_SYSTEM32, pExe);
|
|---|
| 1699 | }
|
|---|
| 1700 |
|
|---|
| 1701 | /* Return. */
|
|---|
| 1702 | if (pMod != NULL && pMod != (PKWMODULE)~(KUPTR)0)
|
|---|
| 1703 | {
|
|---|
| 1704 | *ppMod = pMod;
|
|---|
| 1705 | return 0;
|
|---|
| 1706 | }
|
|---|
| 1707 | *ppMod = NULL;
|
|---|
| 1708 | return KERR_GENERAL_FAILURE;
|
|---|
| 1709 | }
|
|---|
| 1710 |
|
|---|
| 1711 |
|
|---|
| 1712 | /**
|
|---|
| 1713 | * Does module initialization starting at @a pMod.
|
|---|
| 1714 | *
|
|---|
| 1715 | * This is initially used on the executable. Later it is used by the
|
|---|
| 1716 | * LoadLibrary interceptor.
|
|---|
| 1717 | *
|
|---|
| 1718 | * @returns 0 on success, error on failure.
|
|---|
| 1719 | * @param pMod The module to initialize.
|
|---|
| 1720 | */
|
|---|
| 1721 | static int kwLdrModuleInitTree(PKWMODULE pMod)
|
|---|
| 1722 | {
|
|---|
| 1723 | int rc = 0;
|
|---|
| 1724 | if (!pMod->fNative)
|
|---|
| 1725 | {
|
|---|
| 1726 | /* Need to copy bits? */
|
|---|
| 1727 | if (pMod->u.Manual.enmState == KWMODSTATE_NEEDS_BITS)
|
|---|
| 1728 | {
|
|---|
| 1729 | kHlpMemCopy(pMod->u.Manual.pvLoad, pMod->u.Manual.pvCopy, pMod->u.Manual.cbImage);
|
|---|
| 1730 | pMod->u.Manual.enmState = KWMODSTATE_NEEDS_INIT;
|
|---|
| 1731 | }
|
|---|
| 1732 |
|
|---|
| 1733 | if (pMod->u.Manual.enmState == KWMODSTATE_NEEDS_INIT)
|
|---|
| 1734 | {
|
|---|
| 1735 | /* Must do imports first, but mark our module as being initialized to avoid
|
|---|
| 1736 | endless recursion should there be a dependency loop. */
|
|---|
| 1737 | KSIZE iImp;
|
|---|
| 1738 | pMod->u.Manual.enmState = KWMODSTATE_BEING_INITED;
|
|---|
| 1739 |
|
|---|
| 1740 | for (iImp = 0; iImp < pMod->u.Manual.cImpMods; iImp++)
|
|---|
| 1741 | {
|
|---|
| 1742 | rc = kwLdrModuleInitTree(pMod->u.Manual.apImpMods[iImp]);
|
|---|
| 1743 | if (rc != 0)
|
|---|
| 1744 | return rc;
|
|---|
| 1745 | }
|
|---|
| 1746 |
|
|---|
| 1747 | rc = kLdrModCallInit(pMod->pLdrMod, pMod->u.Manual.pvLoad, (KUPTR)pMod->u.Manual.pvLoad);
|
|---|
| 1748 | if (rc == 0)
|
|---|
| 1749 | pMod->u.Manual.enmState = KWMODSTATE_READY;
|
|---|
| 1750 | else
|
|---|
| 1751 | pMod->u.Manual.enmState = KWMODSTATE_INIT_FAILED;
|
|---|
| 1752 | }
|
|---|
| 1753 | }
|
|---|
| 1754 | return rc;
|
|---|
| 1755 | }
|
|---|
| 1756 |
|
|---|
| 1757 |
|
|---|
| 1758 |
|
|---|
| 1759 |
|
|---|
| 1760 | /**
|
|---|
| 1761 | * Creates a tool entry and inserts it.
|
|---|
| 1762 | *
|
|---|
| 1763 | * @returns Pointer to the tool entry. NULL on failure.
|
|---|
| 1764 | * @param pszTool The normalized path to the tool.
|
|---|
| 1765 | * @param uHashPath The hash of the tool path.
|
|---|
| 1766 | * @param idxHashTab The hash table index of the tool.
|
|---|
| 1767 | */
|
|---|
| 1768 | static PKWTOOL kwToolEntryCreate(const char *pszTool, KU32 uHashPath, unsigned idxHashTab)
|
|---|
| 1769 | {
|
|---|
| 1770 | KSIZE cbTool = kHlpStrLen(pszTool) + 1;
|
|---|
| 1771 | PKWTOOL pTool = (PKWTOOL)kHlpAllocZ(sizeof(*pTool) + cbTool + 1 + cbTool * 2 * sizeof(wchar_t));
|
|---|
| 1772 | if (pTool)
|
|---|
| 1773 | {
|
|---|
| 1774 | pTool->pszPath = (char *)kHlpMemCopy(pTool + 1, pszTool, cbTool);
|
|---|
| 1775 | pTool->pwszPath = (wchar_t *)(pTool->pszPath + cbTool + (cbTool & 1));
|
|---|
| 1776 | kwStrToUtf16(pTool->pszPath, (wchar_t *)pTool->pwszPath, cbTool * 2);
|
|---|
| 1777 | pTool->uHashPath = uHashPath;
|
|---|
| 1778 | pTool->enmType = KWTOOLTYPE_SANDBOXED;
|
|---|
| 1779 |
|
|---|
| 1780 | pTool->u.Sandboxed.pExe = kwLdrModuleCreateNonNative(pszTool, uHashPath, K_TRUE /*fExe*/, NULL);
|
|---|
| 1781 | if (!pTool->u.Sandboxed.pExe)
|
|---|
| 1782 | pTool->enmType = KWTOOLTYPE_EXEC;
|
|---|
| 1783 | else if (kHlpStrICompAscii(pTool->u.Sandboxed.pExe->pLdrMod->pszName, "cl.exe") == 0)
|
|---|
| 1784 | pTool->u.Sandboxed.enmHint = KWTOOLHINT_VISUAL_CPP_CL;
|
|---|
| 1785 | else
|
|---|
| 1786 | pTool->u.Sandboxed.enmHint = KWTOOLHINT_NONE;
|
|---|
| 1787 |
|
|---|
| 1788 | /* Link the tool. */
|
|---|
| 1789 | pTool->pNext = g_apTools[idxHashTab];
|
|---|
| 1790 | g_apTools[idxHashTab] = pTool;
|
|---|
| 1791 | return pTool;
|
|---|
| 1792 | }
|
|---|
| 1793 | return NULL;
|
|---|
| 1794 | }
|
|---|
| 1795 |
|
|---|
| 1796 |
|
|---|
| 1797 | /**
|
|---|
| 1798 | * Looks up the given tool, creating a new tool table entry if necessary.
|
|---|
| 1799 | *
|
|---|
| 1800 | * @returns Pointer to the tool entry. NULL on failure.
|
|---|
| 1801 | * @param pszExe The executable for the tool (not normalized).
|
|---|
| 1802 | */
|
|---|
| 1803 | static PKWTOOL kwToolLookup(const char *pszExe)
|
|---|
| 1804 | {
|
|---|
| 1805 | /*
|
|---|
| 1806 | * Normalize the path and look up the tool in the g_apTools hash table.
|
|---|
| 1807 | */
|
|---|
| 1808 | char szNormPath[4096];
|
|---|
| 1809 | int rc = kwPathNormalize(pszExe, szNormPath, sizeof(szNormPath));
|
|---|
| 1810 | if (rc == 0)
|
|---|
| 1811 | {
|
|---|
| 1812 | KU32 uHashPath = kwStrHash(szNormPath);
|
|---|
| 1813 | unsigned idxHash = uHashPath % K_ELEMENTS(g_apTools);
|
|---|
| 1814 | PKWTOOL pTool = g_apTools[idxHash];
|
|---|
| 1815 | if (pTool)
|
|---|
| 1816 | {
|
|---|
| 1817 | do
|
|---|
| 1818 | {
|
|---|
| 1819 | if ( pTool->uHashPath == uHashPath
|
|---|
| 1820 | && kHlpStrComp(pTool->pszPath, szNormPath) == 0)
|
|---|
| 1821 | return pTool;
|
|---|
| 1822 | pTool = pTool->pNext;
|
|---|
| 1823 | } while (pTool);
|
|---|
| 1824 | }
|
|---|
| 1825 |
|
|---|
| 1826 | /*
|
|---|
| 1827 | * Not found, create new entry.
|
|---|
| 1828 | */
|
|---|
| 1829 | return kwToolEntryCreate(szNormPath, uHashPath, idxHash);
|
|---|
| 1830 | }
|
|---|
| 1831 | return NULL;
|
|---|
| 1832 | }
|
|---|
| 1833 |
|
|---|
| 1834 |
|
|---|
| 1835 |
|
|---|
| 1836 | /*
|
|---|
| 1837 | *
|
|---|
| 1838 | * File system cache.
|
|---|
| 1839 | * File system cache.
|
|---|
| 1840 | * File system cache.
|
|---|
| 1841 | *
|
|---|
| 1842 | */
|
|---|
| 1843 |
|
|---|
| 1844 |
|
|---|
| 1845 | #define IS_ALPHA(ch) ( ((ch) >= 'A' && (ch) <= 'Z') || ((ch) >= 'a' && (ch) <= 'z') )
|
|---|
| 1846 | #define IS_SLASH(ch) ((ch) == '\\' || (ch) == '/')
|
|---|
| 1847 |
|
|---|
| 1848 |
|
|---|
| 1849 | /**
|
|---|
| 1850 | * Helper for getting the extension of a UTF-16 path.
|
|---|
| 1851 | *
|
|---|
| 1852 | * @returns Pointer to the extension or the terminator.
|
|---|
| 1853 | * @param pwszPath The path.
|
|---|
| 1854 | * @param pcwcExt Where to return the length of the extension.
|
|---|
| 1855 | */
|
|---|
| 1856 | static wchar_t const *kwFsPathGetExtW(wchar_t const *pwszPath, KSIZE *pcwcExt)
|
|---|
| 1857 | {
|
|---|
| 1858 | wchar_t const *pwszName = pwszPath;
|
|---|
| 1859 | wchar_t const *pwszExt = NULL;
|
|---|
| 1860 | for (;;)
|
|---|
| 1861 | {
|
|---|
| 1862 | wchar_t const wc = *pwszPath++;
|
|---|
| 1863 | if (wc == '.')
|
|---|
| 1864 | pwszExt = pwszPath;
|
|---|
| 1865 | else if (wc == '/' || wc == '\\' || wc == ':')
|
|---|
| 1866 | {
|
|---|
| 1867 | pwszName = pwszPath;
|
|---|
| 1868 | pwszExt = NULL;
|
|---|
| 1869 | }
|
|---|
| 1870 | else if (wc == '\0')
|
|---|
| 1871 | {
|
|---|
| 1872 | if (pwszExt)
|
|---|
| 1873 | {
|
|---|
| 1874 | *pcwcExt = pwszPath - pwszExt - 1;
|
|---|
| 1875 | return pwszExt;
|
|---|
| 1876 | }
|
|---|
| 1877 | *pcwcExt = 0;
|
|---|
| 1878 | return pwszPath - 1;
|
|---|
| 1879 | }
|
|---|
| 1880 | }
|
|---|
| 1881 | }
|
|---|
| 1882 |
|
|---|
| 1883 |
|
|---|
| 1884 | /**
|
|---|
| 1885 | * Looks for '..' in the path.
|
|---|
| 1886 | *
|
|---|
| 1887 | * @returns K_TRUE if '..' component found, K_FALSE if not.
|
|---|
| 1888 | * @param pszPath The path.
|
|---|
| 1889 | * @param cchPath The length of the path.
|
|---|
| 1890 | */
|
|---|
| 1891 | static KBOOL kwFsHasDotDot(const char *pszPath, KSIZE cchPath)
|
|---|
| 1892 | {
|
|---|
| 1893 | const char *pchDot = (const char *)kHlpMemChr(pszPath, '.', cchPath);
|
|---|
| 1894 | while (pchDot)
|
|---|
| 1895 | {
|
|---|
| 1896 | if (pchDot[1] != '.')
|
|---|
| 1897 | pchDot = (const char *)kHlpMemChr(pchDot + 1, '.', &pszPath[cchPath] - pchDot - 1);
|
|---|
| 1898 | else
|
|---|
| 1899 | {
|
|---|
| 1900 | char ch;
|
|---|
| 1901 | if ( (ch = pchDot[2]) == '\0'
|
|---|
| 1902 | && IS_SLASH(ch))
|
|---|
| 1903 | {
|
|---|
| 1904 | if (pchDot == pszPath)
|
|---|
| 1905 | return K_TRUE;
|
|---|
| 1906 | ch = pchDot[-1];
|
|---|
| 1907 | if ( IS_SLASH(ch)
|
|---|
| 1908 | || ch == ':')
|
|---|
| 1909 | return K_TRUE;
|
|---|
| 1910 | }
|
|---|
| 1911 | pchDot = (const char *)kHlpMemChr(pchDot + 2, '.', &pszPath[cchPath] - pchDot - 2);
|
|---|
| 1912 | }
|
|---|
| 1913 | }
|
|---|
| 1914 |
|
|---|
| 1915 | return K_FALSE;
|
|---|
| 1916 | }
|
|---|
| 1917 |
|
|---|
| 1918 |
|
|---|
| 1919 | static void kwFsCreateHashTabEntryA(PKWFSOBJ pFsObj, const char *pszPath, KU32 cchPath, KU32 uHashPath, KU32 idxHashTab)
|
|---|
| 1920 | {
|
|---|
| 1921 | PKWFSHASHA pHashEntry = (PKWFSHASHA)kHlpAlloc(sizeof(*pHashEntry) + cchPath + 1);
|
|---|
| 1922 | if (pHashEntry)
|
|---|
| 1923 | {
|
|---|
| 1924 | pHashEntry->uHashPath = uHashPath;
|
|---|
| 1925 | pHashEntry->cchPath = cchPath;
|
|---|
| 1926 | pHashEntry->pszPath = (const char *)kHlpMemCopy(pHashEntry + 1, pszPath, cchPath + 1);
|
|---|
| 1927 | pHashEntry->pFsObj = pFsObj;
|
|---|
| 1928 |
|
|---|
| 1929 | pHashEntry->pNext = g_apFsAnsiPaths[idxHashTab];
|
|---|
| 1930 | g_apFsAnsiPaths[idxHashTab] = pHashEntry;
|
|---|
| 1931 | }
|
|---|
| 1932 | }
|
|---|
| 1933 |
|
|---|
| 1934 |
|
|---|
| 1935 | /**
|
|---|
| 1936 | * Refreshes a node that hash expired.
|
|---|
| 1937 | *
|
|---|
| 1938 | * This is for files and directories in the output directory tree. The plan is
|
|---|
| 1939 | * to invalid negative results for each tool execution, in case a include file
|
|---|
| 1940 | * or directory has been created since the last time we were active. Assuming
|
|---|
| 1941 | * that we'll be stopped together with kmk, there is no need to invalidate
|
|---|
| 1942 | * positive results.
|
|---|
| 1943 | *
|
|---|
| 1944 | * @param pNode The FS node.
|
|---|
| 1945 | */
|
|---|
| 1946 | static void kwFsRefreshNode(PKWFSOBJ pNode)
|
|---|
| 1947 | {
|
|---|
| 1948 | /** @todo implement once we've start inserting uCacheGen nodes. */
|
|---|
| 1949 | __debugbreak();
|
|---|
| 1950 | }
|
|---|
| 1951 |
|
|---|
| 1952 |
|
|---|
| 1953 | /**
|
|---|
| 1954 | * Links the child in under the parent.
|
|---|
| 1955 | *
|
|---|
| 1956 | * @returns K_TRUE on success, K_FALSE if out of memory.
|
|---|
| 1957 | * @param pParent The parent node.
|
|---|
| 1958 | * @param pChild The child node.
|
|---|
| 1959 | */
|
|---|
| 1960 | static KBOOL kwFsLinkChild(PKWFSOBJ pParent, PKWFSOBJ pChild)
|
|---|
| 1961 | {
|
|---|
| 1962 | if ((pParent->cChildren % 16) == 0)
|
|---|
| 1963 | {
|
|---|
| 1964 | void *pvNew = kHlpRealloc(pParent->papChildren, (pParent->cChildren + 16) * sizeof(pParent->papChildren[0]));
|
|---|
| 1965 | if (!pvNew)
|
|---|
| 1966 | return K_FALSE;
|
|---|
| 1967 | pParent->papChildren = (PKWFSOBJ *)pvNew;
|
|---|
| 1968 | }
|
|---|
| 1969 | pParent->papChildren[pParent->cChildren++] = pChild;
|
|---|
| 1970 | return K_TRUE;
|
|---|
| 1971 | }
|
|---|
| 1972 |
|
|---|
| 1973 |
|
|---|
| 1974 | /**
|
|---|
| 1975 | * Creates a child node for an ANSI path.
|
|---|
| 1976 | *
|
|---|
| 1977 | * @returns Pointer to the child tree node on success.
|
|---|
| 1978 | * NULL on failure (out of memory).
|
|---|
| 1979 | * @param pParent The parent node.
|
|---|
| 1980 | * @param pchPath The path.
|
|---|
| 1981 | * @param offName The offset of the child name into pchPath.
|
|---|
| 1982 | * @param cchName The length of the child name.
|
|---|
| 1983 | */
|
|---|
| 1984 | static PKWFSOBJ kwFsCreateChildA(PKWFSOBJ pParent, const char *pchPath, KU32 offName, KU32 cchName)
|
|---|
| 1985 | {
|
|---|
| 1986 | char szTmp[2048];
|
|---|
| 1987 | DWORD const dwSavedErr = GetLastError();
|
|---|
| 1988 | DWORD dwAttr;
|
|---|
| 1989 | DWORD dwErr;
|
|---|
| 1990 | PKWFSOBJ pChild;
|
|---|
| 1991 |
|
|---|
| 1992 | /*
|
|---|
| 1993 | * Get attributes.
|
|---|
| 1994 | */
|
|---|
| 1995 | if (pchPath[offName + cchName])
|
|---|
| 1996 | {
|
|---|
| 1997 | if (cchName + offName >= sizeof(szTmp))
|
|---|
| 1998 | return NULL;
|
|---|
| 1999 | memcpy(szTmp, pchPath, offName + cchName);
|
|---|
| 2000 | if (offName != 0 || cchName != 2 || pchPath[1] != ':')
|
|---|
| 2001 | szTmp[offName + cchName] = '\0';
|
|---|
| 2002 | else
|
|---|
| 2003 | {
|
|---|
| 2004 | /* Change 'E:' to 'E:\\.' so that it's actually absolute. */
|
|---|
| 2005 | szTmp[2] = '\\';
|
|---|
| 2006 | szTmp[3] = '.';
|
|---|
| 2007 | szTmp[4] = '\0';
|
|---|
| 2008 | }
|
|---|
| 2009 | pchPath = szTmp;
|
|---|
| 2010 | }
|
|---|
| 2011 |
|
|---|
| 2012 | SetLastError(NO_ERROR);
|
|---|
| 2013 | dwAttr = GetFileAttributesA(pchPath);
|
|---|
| 2014 | dwErr = GetLastError();
|
|---|
| 2015 |
|
|---|
| 2016 | /*
|
|---|
| 2017 | * Create the entry.
|
|---|
| 2018 | */
|
|---|
| 2019 | pChild = (PKWFSOBJ)kHlpAlloc(sizeof(*pChild) + cchName + 1 + (cchName + 1) * sizeof(wchar_t) * 2);
|
|---|
| 2020 | SetLastError(dwSavedErr);
|
|---|
| 2021 | if (pChild)
|
|---|
| 2022 | {
|
|---|
| 2023 | pChild->pwszName = (const wchar_t *)(pChild + 1);
|
|---|
| 2024 | pChild->pszName = (const char *)kHlpMemCopy((void *)&pChild->pwszName[(cchName + 1) * 2],
|
|---|
| 2025 | &pchPath[offName], cchName);
|
|---|
| 2026 | ((char *)pChild->pszName)[cchName] = '\0';
|
|---|
| 2027 | pChild->cwcName = (KU16)kwStrToUtf16(pChild->pszName, (wchar_t *)pChild->pwszName, (cchName + 1) * 2);
|
|---|
| 2028 |
|
|---|
| 2029 | pChild->cchName = cchName;
|
|---|
| 2030 | pChild->cChildren = 0;
|
|---|
| 2031 | pChild->papChildren = NULL;
|
|---|
| 2032 | pChild->pParent = pParent;
|
|---|
| 2033 |
|
|---|
| 2034 | pChild->uCacheGen = pParent->uCacheGen == KFSWOBJ_CACHE_GEN_IGNORE ? KFSWOBJ_CACHE_GEN_IGNORE : g_uFsCacheGeneration;
|
|---|
| 2035 | pChild->fAttribs = dwAttr;
|
|---|
| 2036 | pChild->uLastError = dwErr;
|
|---|
| 2037 |
|
|---|
| 2038 | pChild->hCached = INVALID_HANDLE_VALUE;
|
|---|
| 2039 | pChild->cbCached = 0;
|
|---|
| 2040 | pChild->pbCached = NULL;
|
|---|
| 2041 |
|
|---|
| 2042 | if (kwFsLinkChild(pParent, pChild))
|
|---|
| 2043 | return pChild;
|
|---|
| 2044 |
|
|---|
| 2045 | kHlpFree(pChild);
|
|---|
| 2046 | }
|
|---|
| 2047 | return NULL;
|
|---|
| 2048 | }
|
|---|
| 2049 |
|
|---|
| 2050 |
|
|---|
| 2051 | /**
|
|---|
| 2052 | * Look up a child node, ANSI version.
|
|---|
| 2053 | *
|
|---|
| 2054 | * @returns Pointer to the child if found, NULL if not.
|
|---|
| 2055 | * @param pParent The parent to search the children of.
|
|---|
| 2056 | * @param pchName The child name to search for (not terminated).
|
|---|
| 2057 | * @param cchName The length of the child name.
|
|---|
| 2058 | */
|
|---|
| 2059 | static PKWFSOBJ kwFsFindChildA(PKWFSOBJ pParent, const char *pchName, KU32 cchName)
|
|---|
| 2060 | {
|
|---|
| 2061 | /* Check for '.' first. */
|
|---|
| 2062 | if (cchName != 1 || *pchName != '.')
|
|---|
| 2063 | {
|
|---|
| 2064 | KU32 cLeft = pParent->cChildren;
|
|---|
| 2065 | PKWFSOBJ *ppCur = pParent->papChildren;
|
|---|
| 2066 | while (cLeft-- > 0)
|
|---|
| 2067 | {
|
|---|
| 2068 | PKWFSOBJ pCur = *ppCur++;
|
|---|
| 2069 | if ( pCur->cchName == cchName
|
|---|
| 2070 | && _memicmp(pCur->pszName, pchName, cchName) == 0)
|
|---|
| 2071 | {
|
|---|
| 2072 | if ( pCur->uCacheGen != KFSWOBJ_CACHE_GEN_IGNORE
|
|---|
| 2073 | && pCur->uCacheGen != g_uFsCacheGeneration)
|
|---|
| 2074 | kwFsRefreshNode(pCur);
|
|---|
| 2075 | return pCur;
|
|---|
| 2076 | }
|
|---|
| 2077 | }
|
|---|
| 2078 | return NULL;
|
|---|
| 2079 | }
|
|---|
| 2080 | return pParent;
|
|---|
| 2081 | }
|
|---|
| 2082 |
|
|---|
| 2083 |
|
|---|
| 2084 | /**
|
|---|
| 2085 | * Walk the file system tree for the given absolute path, entering it into the
|
|---|
| 2086 | * hash table.
|
|---|
| 2087 | *
|
|---|
| 2088 | * This will create any missing nodes while walking.
|
|---|
| 2089 | *
|
|---|
| 2090 | * @returns Pointer to the tree node corresponding to @a pszPath.
|
|---|
| 2091 | * NULL if we ran out of memory.
|
|---|
| 2092 | * @param pszPath The path to walk.
|
|---|
| 2093 | * @param cchPath The length of the path.
|
|---|
| 2094 | * @param uHashPath The hash of the path.
|
|---|
| 2095 | * @param idxHashTab Index into the hash table.
|
|---|
| 2096 | */
|
|---|
| 2097 | static PKWFSOBJ kwFsLookupAbsoluteA(const char *pszPath, KU32 cchPath, KU32 uHashPath, KU32 idxHashTab)
|
|---|
| 2098 | {
|
|---|
| 2099 | PKWFSOBJ pParent = &g_FsRoot;
|
|---|
| 2100 | KU32 off;
|
|---|
| 2101 | KWFS_LOG(("kwFsLookupAbsoluteA(%s)\n", pszPath));
|
|---|
| 2102 |
|
|---|
| 2103 | kHlpAssert(IS_ALPHA(pszPath[0]));
|
|---|
| 2104 | kHlpAssert(pszPath[1] == ':');
|
|---|
| 2105 | kHlpAssert(IS_SLASH(pszPath[2]));
|
|---|
| 2106 |
|
|---|
| 2107 | off = 0;
|
|---|
| 2108 | for (;;)
|
|---|
| 2109 | {
|
|---|
| 2110 | PKWFSOBJ pChild;
|
|---|
| 2111 |
|
|---|
| 2112 | /* Find the end of the component. */
|
|---|
| 2113 | char ch;
|
|---|
| 2114 | KU32 cchSlashes = 0;
|
|---|
| 2115 | KU32 offEnd = off + 1;
|
|---|
| 2116 | while ((ch = pszPath[offEnd]) != '\0')
|
|---|
| 2117 | {
|
|---|
| 2118 | if (!IS_SLASH(ch))
|
|---|
| 2119 | offEnd++;
|
|---|
| 2120 | else
|
|---|
| 2121 | {
|
|---|
| 2122 | do
|
|---|
| 2123 | cchSlashes++;
|
|---|
| 2124 | while (IS_SLASH(pszPath[offEnd + cchSlashes]));
|
|---|
| 2125 | break;
|
|---|
| 2126 | }
|
|---|
| 2127 | }
|
|---|
| 2128 |
|
|---|
| 2129 | /* Search the current node for the name. */
|
|---|
| 2130 | pChild = kwFsFindChildA(pParent, &pszPath[off], offEnd - off);
|
|---|
| 2131 | if (!pChild)
|
|---|
| 2132 | {
|
|---|
| 2133 | pChild = kwFsCreateChildA(pParent, pszPath, off, offEnd - off);
|
|---|
| 2134 | if (!pChild)
|
|---|
| 2135 | break;
|
|---|
| 2136 | }
|
|---|
| 2137 | off = offEnd + cchSlashes;
|
|---|
| 2138 | if ( cchSlashes == 0
|
|---|
| 2139 | || off >= cchPath)
|
|---|
| 2140 | {
|
|---|
| 2141 | kwFsCreateHashTabEntryA(pChild, pszPath, cchPath, uHashPath, idxHashTab);
|
|---|
| 2142 | return pChild;
|
|---|
| 2143 | }
|
|---|
| 2144 |
|
|---|
| 2145 | /* Check that it's a directory (won't match INVALID_FILE_ATTRIBUTES). */
|
|---|
| 2146 | if (!(pChild->fAttribs & FILE_ATTRIBUTE_DIRECTORY))
|
|---|
| 2147 | return &g_FsPathNotFound;
|
|---|
| 2148 |
|
|---|
| 2149 | pParent = pChild;
|
|---|
| 2150 | }
|
|---|
| 2151 |
|
|---|
| 2152 | return NULL;
|
|---|
| 2153 | }
|
|---|
| 2154 |
|
|---|
| 2155 |
|
|---|
| 2156 | /**
|
|---|
| 2157 | * This deals with paths that are relative and paths that contains '..'
|
|---|
| 2158 | * elements.
|
|---|
| 2159 | *
|
|---|
| 2160 | * @returns Pointer to object corresponding to @a pszPath on success.
|
|---|
| 2161 | * NULL if this isn't a path we care to cache.
|
|---|
| 2162 | * @param pszPath The path.
|
|---|
| 2163 | * @param cchPath The length of the path.
|
|---|
| 2164 | * @param uHashPath The hash of the path.
|
|---|
| 2165 | * @param idxHashTab The path table index.
|
|---|
| 2166 | */
|
|---|
| 2167 | static PKWFSOBJ kwFsLookupSlowA(const char *pszPath, KU32 cchPath, KU32 uHashPath, KU32 idxHashTab)
|
|---|
| 2168 | {
|
|---|
| 2169 | /* Turns out getcwd/_getdcwd uses GetFullPathName internall, so just call it directly here. */
|
|---|
| 2170 | char szFull[2048];
|
|---|
| 2171 | UINT cchFull = GetFullPathNameA(pszPath, sizeof(szFull), szFull, NULL);
|
|---|
| 2172 | if ( cchFull >= 3
|
|---|
| 2173 | && cchFull < sizeof(szFull))
|
|---|
| 2174 | {
|
|---|
| 2175 | KWFS_LOG(("kwFsLookupSlowA(%s)\n", pszPath));
|
|---|
| 2176 | if ( szFull[1] == ':'
|
|---|
| 2177 | && IS_SLASH(szFull[2])
|
|---|
| 2178 | && IS_ALPHA(szFull[0]) )
|
|---|
| 2179 | {
|
|---|
| 2180 | KU32 uHashPath2 = kwStrHash(szFull);
|
|---|
| 2181 | PKWFSOBJ pFsObj = kwFsLookupAbsoluteA(szFull, cchFull, uHashPath2, uHashPath2 % K_ELEMENTS(g_apFsAnsiPaths));
|
|---|
| 2182 | if (pFsObj)
|
|---|
| 2183 | {
|
|---|
| 2184 | kwFsCreateHashTabEntryA(pFsObj, pszPath, cchPath, uHashPath, idxHashTab);
|
|---|
| 2185 | return pFsObj;
|
|---|
| 2186 | }
|
|---|
| 2187 | }
|
|---|
| 2188 |
|
|---|
| 2189 | /* It's worth remembering uncacheable paths in the hash table. */
|
|---|
| 2190 | kwFsCreateHashTabEntryA(NULL /*pFsObj*/, pszPath, cchPath, uHashPath, idxHashTab);
|
|---|
| 2191 | }
|
|---|
| 2192 | return NULL;
|
|---|
| 2193 | }
|
|---|
| 2194 |
|
|---|
| 2195 |
|
|---|
| 2196 | /**
|
|---|
| 2197 | * Looks up a KWFSOBJ for the given ANSI path.
|
|---|
| 2198 | *
|
|---|
| 2199 | * This will first try the hash table. If not in the hash table, the file
|
|---|
| 2200 | * system cache tree is walked, missing bits filled in and finally a hash table
|
|---|
| 2201 | * entry is created.
|
|---|
| 2202 | *
|
|---|
| 2203 | * Only drive letter paths are cachable. We don't do any UNC paths at this
|
|---|
| 2204 | * point.
|
|---|
| 2205 | *
|
|---|
| 2206 | *
|
|---|
| 2207 | * @returns Pointer to object corresponding to @a pszPath on success.
|
|---|
| 2208 | * NULL if not a path we care to cache.
|
|---|
| 2209 | * @param pszPath The path to lookup.
|
|---|
| 2210 | */
|
|---|
| 2211 | static PKWFSOBJ kwFsLookupA(const char *pszPath)
|
|---|
| 2212 | {
|
|---|
| 2213 | /*
|
|---|
| 2214 | * Do hash table lookup of the path.
|
|---|
| 2215 | */
|
|---|
| 2216 | KU32 uHashPath;
|
|---|
| 2217 | KU32 cchPath = (KU32)kwStrHashEx(pszPath, &uHashPath);
|
|---|
| 2218 | KU32 idxHashTab = uHashPath % K_ELEMENTS(g_apFsAnsiPaths);
|
|---|
| 2219 | PKWFSHASHA pHashEntry = g_apFsAnsiPaths[idxHashTab];
|
|---|
| 2220 | if (pHashEntry)
|
|---|
| 2221 | {
|
|---|
| 2222 | do
|
|---|
| 2223 | {
|
|---|
| 2224 | if ( pHashEntry->uHashPath == uHashPath
|
|---|
| 2225 | && pHashEntry->cchPath == cchPath
|
|---|
| 2226 | && kHlpMemComp(pHashEntry->pszPath, pszPath, cchPath) == 0)
|
|---|
| 2227 | {
|
|---|
| 2228 | KWFS_LOG(("kwFsLookupA(%s) - hit %p\n", pszPath, pHashEntry->pFsObj));
|
|---|
| 2229 | return pHashEntry->pFsObj;
|
|---|
| 2230 | }
|
|---|
| 2231 | pHashEntry = pHashEntry->pNext;
|
|---|
| 2232 | } while (pHashEntry);
|
|---|
| 2233 | }
|
|---|
| 2234 |
|
|---|
| 2235 | /*
|
|---|
| 2236 | * Create an entry for it by walking the file system cache and filling in the blanks.
|
|---|
| 2237 | */
|
|---|
| 2238 | if ( cchPath > 0
|
|---|
| 2239 | && cchPath < 1024)
|
|---|
| 2240 | {
|
|---|
| 2241 | /* Is absolute without any '..' bits? */
|
|---|
| 2242 | if ( cchPath >= 3
|
|---|
| 2243 | && pszPath[1] == ':'
|
|---|
| 2244 | && IS_SLASH(pszPath[2])
|
|---|
| 2245 | && IS_ALPHA(pszPath[0])
|
|---|
| 2246 | && !kwFsHasDotDot(pszPath, cchPath) )
|
|---|
| 2247 | return kwFsLookupAbsoluteA(pszPath, cchPath, uHashPath, idxHashTab);
|
|---|
| 2248 |
|
|---|
| 2249 | /* Not UNC? */
|
|---|
| 2250 | if ( cchPath < 2
|
|---|
| 2251 | || !IS_SLASH(pszPath[0])
|
|---|
| 2252 | || !IS_SLASH(pszPath[1]) )
|
|---|
| 2253 | return kwFsLookupSlowA(pszPath, cchPath, uHashPath, idxHashTab);
|
|---|
| 2254 |
|
|---|
| 2255 |
|
|---|
| 2256 | /* It's worth remembering uncacheable paths in the hash table. */
|
|---|
| 2257 | kwFsCreateHashTabEntryA(NULL /*pFsObj*/, pszPath, cchPath, uHashPath, idxHashTab);
|
|---|
| 2258 | }
|
|---|
| 2259 | return NULL;
|
|---|
| 2260 | }
|
|---|
| 2261 |
|
|---|
| 2262 |
|
|---|
| 2263 |
|
|---|
| 2264 |
|
|---|
| 2265 | /**
|
|---|
| 2266 | * Parses the argument string passed in as pszSrc.
|
|---|
| 2267 | *
|
|---|
| 2268 | * @returns size of the processed arguments.
|
|---|
| 2269 | * @param pszSrc Pointer to the commandline that's to be parsed.
|
|---|
| 2270 | * @param pcArgs Where to return the number of arguments.
|
|---|
| 2271 | * @param argv Pointer to argument vector to put argument pointers in. NULL allowed.
|
|---|
| 2272 | * @param pchPool Pointer to memory pchPool to put the arguments into. NULL allowed.
|
|---|
| 2273 | *
|
|---|
| 2274 | * @remarks Lifted from startuphacks-win.c
|
|---|
| 2275 | */
|
|---|
| 2276 | static int parse_args(const char *pszSrc, int *pcArgs, char **argv, char *pchPool)
|
|---|
| 2277 | {
|
|---|
| 2278 | int bs;
|
|---|
| 2279 | char chQuote;
|
|---|
| 2280 | char *pfFlags;
|
|---|
| 2281 | int cbArgs;
|
|---|
| 2282 | int cArgs;
|
|---|
| 2283 |
|
|---|
| 2284 | #define PUTC(c) do { ++cbArgs; if (pchPool != NULL) *pchPool++ = (c); } while (0)
|
|---|
| 2285 | #define PUTV do { ++cArgs; if (argv != NULL) *argv++ = pchPool; } while (0)
|
|---|
| 2286 | #define WHITE(c) ((c) == ' ' || (c) == '\t')
|
|---|
| 2287 |
|
|---|
| 2288 | #define _ARG_DQUOTE 0x01 /* Argument quoted (") */
|
|---|
| 2289 | #define _ARG_RESPONSE 0x02 /* Argument read from response file */
|
|---|
| 2290 | #define _ARG_WILDCARD 0x04 /* Argument expanded from wildcard */
|
|---|
| 2291 | #define _ARG_ENV 0x08 /* Argument from environment */
|
|---|
| 2292 | #define _ARG_NONZERO 0x80 /* Always set, to avoid end of string */
|
|---|
| 2293 |
|
|---|
| 2294 | cArgs = 0;
|
|---|
| 2295 | cbArgs = 0;
|
|---|
| 2296 |
|
|---|
| 2297 | #if 0
|
|---|
| 2298 | /* argv[0] */
|
|---|
| 2299 | PUTC((char)_ARG_NONZERO);
|
|---|
| 2300 | PUTV;
|
|---|
| 2301 | for (;;)
|
|---|
| 2302 | {
|
|---|
| 2303 | PUTC(*pszSrc);
|
|---|
| 2304 | if (*pszSrc == 0)
|
|---|
| 2305 | break;
|
|---|
| 2306 | ++pszSrc;
|
|---|
| 2307 | }
|
|---|
| 2308 | ++pszSrc;
|
|---|
| 2309 | #endif
|
|---|
| 2310 |
|
|---|
| 2311 | for (;;)
|
|---|
| 2312 | {
|
|---|
| 2313 | while (WHITE(*pszSrc))
|
|---|
| 2314 | ++pszSrc;
|
|---|
| 2315 | if (*pszSrc == 0)
|
|---|
| 2316 | break;
|
|---|
| 2317 | pfFlags = pchPool;
|
|---|
| 2318 | PUTC((char)_ARG_NONZERO);
|
|---|
| 2319 | PUTV;
|
|---|
| 2320 | bs = 0; chQuote = 0;
|
|---|
| 2321 | for (;;)
|
|---|
| 2322 | {
|
|---|
| 2323 | if (!chQuote ? (*pszSrc == '"' /*|| *pszSrc == '\''*/) : *pszSrc == chQuote)
|
|---|
| 2324 | {
|
|---|
| 2325 | while (bs >= 2)
|
|---|
| 2326 | {
|
|---|
| 2327 | PUTC('\\');
|
|---|
| 2328 | bs -= 2;
|
|---|
| 2329 | }
|
|---|
| 2330 | if (bs & 1)
|
|---|
| 2331 | PUTC(*pszSrc);
|
|---|
| 2332 | else
|
|---|
| 2333 | {
|
|---|
| 2334 | chQuote = chQuote ? 0 : *pszSrc;
|
|---|
| 2335 | if (pfFlags != NULL)
|
|---|
| 2336 | *pfFlags |= _ARG_DQUOTE;
|
|---|
| 2337 | }
|
|---|
| 2338 | bs = 0;
|
|---|
| 2339 | }
|
|---|
| 2340 | else if (*pszSrc == '\\')
|
|---|
| 2341 | ++bs;
|
|---|
| 2342 | else
|
|---|
| 2343 | {
|
|---|
| 2344 | while (bs != 0)
|
|---|
| 2345 | {
|
|---|
| 2346 | PUTC('\\');
|
|---|
| 2347 | --bs;
|
|---|
| 2348 | }
|
|---|
| 2349 | if (*pszSrc == 0 || (WHITE(*pszSrc) && !chQuote))
|
|---|
| 2350 | break;
|
|---|
| 2351 | PUTC(*pszSrc);
|
|---|
| 2352 | }
|
|---|
| 2353 | ++pszSrc;
|
|---|
| 2354 | }
|
|---|
| 2355 | PUTC(0);
|
|---|
| 2356 | }
|
|---|
| 2357 |
|
|---|
| 2358 | *pcArgs = cArgs;
|
|---|
| 2359 | return cbArgs;
|
|---|
| 2360 | }
|
|---|
| 2361 |
|
|---|
| 2362 |
|
|---|
| 2363 |
|
|---|
| 2364 |
|
|---|
| 2365 | /*
|
|---|
| 2366 | *
|
|---|
| 2367 | * Process and thread related APIs.
|
|---|
| 2368 | * Process and thread related APIs.
|
|---|
| 2369 | * Process and thread related APIs.
|
|---|
| 2370 | *
|
|---|
| 2371 | */
|
|---|
| 2372 |
|
|---|
| 2373 | /** ExitProcess replacement. */
|
|---|
| 2374 | static void WINAPI kwSandbox_Kernel32_ExitProcess(UINT uExitCode)
|
|---|
| 2375 | {
|
|---|
| 2376 | if (g_Sandbox.idMainThread == GetCurrentThreadId())
|
|---|
| 2377 | {
|
|---|
| 2378 | PNT_TIB pTib = (PNT_TIB)NtCurrentTeb();
|
|---|
| 2379 |
|
|---|
| 2380 | g_Sandbox.rcExitCode = (int)uExitCode;
|
|---|
| 2381 |
|
|---|
| 2382 | /* Before we jump, restore the TIB as we're not interested in any
|
|---|
| 2383 | exception chain stuff installed by the sandboxed executable. */
|
|---|
| 2384 | *pTib = g_Sandbox.TibMainThread;
|
|---|
| 2385 |
|
|---|
| 2386 | longjmp(g_Sandbox.JmpBuf, 1);
|
|---|
| 2387 | }
|
|---|
| 2388 | __debugbreak();
|
|---|
| 2389 | }
|
|---|
| 2390 |
|
|---|
| 2391 |
|
|---|
| 2392 | /** ExitProcess replacement. */
|
|---|
| 2393 | static BOOL WINAPI kwSandbox_Kernel32_TerminateProcess(HANDLE hProcess, UINT uExitCode)
|
|---|
| 2394 | {
|
|---|
| 2395 | if (hProcess == GetCurrentProcess())
|
|---|
| 2396 | kwSandbox_Kernel32_ExitProcess(uExitCode);
|
|---|
| 2397 | __debugbreak();
|
|---|
| 2398 | return TerminateProcess(hProcess, uExitCode);
|
|---|
| 2399 | }
|
|---|
| 2400 |
|
|---|
| 2401 |
|
|---|
| 2402 | /** Normal CRT exit(). */
|
|---|
| 2403 | static void __cdecl kwSandbox_msvcrt_exit(int rcExitCode)
|
|---|
| 2404 | {
|
|---|
| 2405 | KW_LOG(("kwSandbox_msvcrt_exit: %d\n", rcExitCode));
|
|---|
| 2406 | kwSandbox_Kernel32_ExitProcess(rcExitCode);
|
|---|
| 2407 | }
|
|---|
| 2408 |
|
|---|
| 2409 |
|
|---|
| 2410 | /** Quick CRT _exit(). */
|
|---|
| 2411 | static void __cdecl kwSandbox_msvcrt__exit(int rcExitCode)
|
|---|
| 2412 | {
|
|---|
| 2413 | /* Quick. */
|
|---|
| 2414 | KW_LOG(("kwSandbox_msvcrt__exit %d\n", rcExitCode));
|
|---|
| 2415 | kwSandbox_Kernel32_ExitProcess(rcExitCode);
|
|---|
| 2416 | }
|
|---|
| 2417 |
|
|---|
| 2418 |
|
|---|
| 2419 | /** Return to caller CRT _cexit(). */
|
|---|
| 2420 | static void __cdecl kwSandbox_msvcrt__cexit(int rcExitCode)
|
|---|
| 2421 | {
|
|---|
| 2422 | KW_LOG(("kwSandbox_msvcrt__cexit: %d\n", rcExitCode));
|
|---|
| 2423 | kwSandbox_Kernel32_ExitProcess(rcExitCode);
|
|---|
| 2424 | }
|
|---|
| 2425 |
|
|---|
| 2426 |
|
|---|
| 2427 | /** Quick return to caller CRT _c_exit(). */
|
|---|
| 2428 | static void __cdecl kwSandbox_msvcrt__c_exit(int rcExitCode)
|
|---|
| 2429 | {
|
|---|
| 2430 | KW_LOG(("kwSandbox_msvcrt__c_exit: %d\n", rcExitCode));
|
|---|
| 2431 | kwSandbox_Kernel32_ExitProcess(rcExitCode);
|
|---|
| 2432 | }
|
|---|
| 2433 |
|
|---|
| 2434 |
|
|---|
| 2435 | /** Runtime error and exit _amsg_exit(). */
|
|---|
| 2436 | static void __cdecl kwSandbox_msvcrt__amsg_exit(int iMsgNo)
|
|---|
| 2437 | {
|
|---|
| 2438 | KW_LOG(("\nRuntime error #%u!\n", iMsgNo));
|
|---|
| 2439 | kwSandbox_Kernel32_ExitProcess(255);
|
|---|
| 2440 | }
|
|---|
| 2441 |
|
|---|
| 2442 |
|
|---|
| 2443 | /** CRT - terminate(). */
|
|---|
| 2444 | static void __cdecl kwSandbox_msvcrt_terminate(void)
|
|---|
| 2445 | {
|
|---|
| 2446 | KW_LOG(("\nRuntime - terminate!\n"));
|
|---|
| 2447 | kwSandbox_Kernel32_ExitProcess(254);
|
|---|
| 2448 | }
|
|---|
| 2449 |
|
|---|
| 2450 |
|
|---|
| 2451 | /** The CRT internal __getmainargs() API. */
|
|---|
| 2452 | static int __cdecl kwSandbox_msvcrt___getmainargs(int *pargc, char ***pargv, char ***penvp,
|
|---|
| 2453 | int dowildcard, int const *piNewMode)
|
|---|
| 2454 | {
|
|---|
| 2455 | *pargc = g_Sandbox.cArgs;
|
|---|
| 2456 | *pargv = g_Sandbox.papszArgs;
|
|---|
| 2457 | *penvp = g_Sandbox.environ;
|
|---|
| 2458 |
|
|---|
| 2459 | /** @todo startinfo points at a newmode (setmode) value. */
|
|---|
| 2460 | return 0;
|
|---|
| 2461 | }
|
|---|
| 2462 |
|
|---|
| 2463 |
|
|---|
| 2464 | /** The CRT internal __wgetmainargs() API. */
|
|---|
| 2465 | static int __cdecl kwSandbox_msvcrt___wgetmainargs(int *pargc, wchar_t ***pargv, wchar_t ***penvp,
|
|---|
| 2466 | int dowildcard, int const *piNewMode)
|
|---|
| 2467 | {
|
|---|
| 2468 | *pargc = g_Sandbox.cArgs;
|
|---|
| 2469 | *pargv = g_Sandbox.papwszArgs;
|
|---|
| 2470 | *penvp = g_Sandbox.wenviron;
|
|---|
| 2471 |
|
|---|
| 2472 | /** @todo startinfo points at a newmode (setmode) value. */
|
|---|
| 2473 | return 0;
|
|---|
| 2474 | }
|
|---|
| 2475 |
|
|---|
| 2476 |
|
|---|
| 2477 |
|
|---|
| 2478 | /** Kernel32 - GetCommandLineA() */
|
|---|
| 2479 | static LPCSTR /*LPSTR*/ WINAPI kwSandbox_Kernel32_GetCommandLineA(VOID)
|
|---|
| 2480 | {
|
|---|
| 2481 | return g_Sandbox.pszCmdLine;
|
|---|
| 2482 | }
|
|---|
| 2483 |
|
|---|
| 2484 |
|
|---|
| 2485 | /** Kernel32 - GetCommandLineW() */
|
|---|
| 2486 | static LPCWSTR /*LPWSTR*/ WINAPI kwSandbox_Kernel32_GetCommandLineW(VOID)
|
|---|
| 2487 | {
|
|---|
| 2488 | return g_Sandbox.pwszCmdLine;
|
|---|
| 2489 | }
|
|---|
| 2490 |
|
|---|
| 2491 |
|
|---|
| 2492 | /** Kernel32 - GetStartupInfoA() */
|
|---|
| 2493 | static VOID WINAPI kwSandbox_Kernel32_GetStartupInfoA(LPSTARTUPINFOA pStartupInfo)
|
|---|
| 2494 | {
|
|---|
| 2495 | __debugbreak();
|
|---|
| 2496 | }
|
|---|
| 2497 |
|
|---|
| 2498 |
|
|---|
| 2499 | /** Kernel32 - GetStartupInfoW() */
|
|---|
| 2500 | static VOID WINAPI kwSandbox_Kernel32_GetStartupInfoW(LPSTARTUPINFOW lpStartupInfo)
|
|---|
| 2501 | {
|
|---|
| 2502 | __debugbreak();
|
|---|
| 2503 | }
|
|---|
| 2504 |
|
|---|
| 2505 |
|
|---|
| 2506 | /** CRT - __p___argc(). */
|
|---|
| 2507 | static int * __cdecl kwSandbox_msvcrt___p___argc(void)
|
|---|
| 2508 | {
|
|---|
| 2509 | return &g_Sandbox.cArgs;
|
|---|
| 2510 | }
|
|---|
| 2511 |
|
|---|
| 2512 |
|
|---|
| 2513 | /** CRT - __p___argv(). */
|
|---|
| 2514 | static char *** __cdecl kwSandbox_msvcrt___p___argv(void)
|
|---|
| 2515 | {
|
|---|
| 2516 | return &g_Sandbox.papszArgs;
|
|---|
| 2517 | }
|
|---|
| 2518 |
|
|---|
| 2519 |
|
|---|
| 2520 | /** CRT - __p___sargv(). */
|
|---|
| 2521 | static wchar_t *** __cdecl kwSandbox_msvcrt___p___wargv(void)
|
|---|
| 2522 | {
|
|---|
| 2523 | return &g_Sandbox.papwszArgs;
|
|---|
| 2524 | }
|
|---|
| 2525 |
|
|---|
| 2526 |
|
|---|
| 2527 | /** CRT - __p__acmdln(). */
|
|---|
| 2528 | static char ** __cdecl kwSandbox_msvcrt___p__acmdln(void)
|
|---|
| 2529 | {
|
|---|
| 2530 | return (char **)&g_Sandbox.pszCmdLine;
|
|---|
| 2531 | }
|
|---|
| 2532 |
|
|---|
| 2533 |
|
|---|
| 2534 | /** CRT - __p__acmdln(). */
|
|---|
| 2535 | static wchar_t ** __cdecl kwSandbox_msvcrt___p__wcmdln(void)
|
|---|
| 2536 | {
|
|---|
| 2537 | return &g_Sandbox.pwszCmdLine;
|
|---|
| 2538 | }
|
|---|
| 2539 |
|
|---|
| 2540 |
|
|---|
| 2541 | /** CRT - __p__pgmptr(). */
|
|---|
| 2542 | static char ** __cdecl kwSandbox_msvcrt___p__pgmptr(void)
|
|---|
| 2543 | {
|
|---|
| 2544 | return &g_Sandbox.pgmptr;
|
|---|
| 2545 | }
|
|---|
| 2546 |
|
|---|
| 2547 |
|
|---|
| 2548 | /** CRT - __p__wpgmptr(). */
|
|---|
| 2549 | static wchar_t ** __cdecl kwSandbox_msvcrt___p__wpgmptr(void)
|
|---|
| 2550 | {
|
|---|
| 2551 | return &g_Sandbox.wpgmptr;
|
|---|
| 2552 | }
|
|---|
| 2553 |
|
|---|
| 2554 |
|
|---|
| 2555 | /** CRT - _get_pgmptr(). */
|
|---|
| 2556 | static errno_t __cdecl kwSandbox_msvcrt__get_pgmptr(char **ppszValue)
|
|---|
| 2557 | {
|
|---|
| 2558 | *ppszValue = g_Sandbox.pgmptr;
|
|---|
| 2559 | return 0;
|
|---|
| 2560 | }
|
|---|
| 2561 |
|
|---|
| 2562 |
|
|---|
| 2563 | /** CRT - _get_wpgmptr(). */
|
|---|
| 2564 | static errno_t __cdecl kwSandbox_msvcrt__get_wpgmptr(wchar_t **ppwszValue)
|
|---|
| 2565 | {
|
|---|
| 2566 | *ppwszValue = g_Sandbox.wpgmptr;
|
|---|
| 2567 | return 0;
|
|---|
| 2568 | }
|
|---|
| 2569 |
|
|---|
| 2570 | /** Just in case. */
|
|---|
| 2571 | static void kwSandbox_msvcrt__wincmdln(void)
|
|---|
| 2572 | {
|
|---|
| 2573 | __debugbreak();
|
|---|
| 2574 | }
|
|---|
| 2575 |
|
|---|
| 2576 |
|
|---|
| 2577 | /** Just in case. */
|
|---|
| 2578 | static void kwSandbox_msvcrt__wwincmdln(void)
|
|---|
| 2579 | {
|
|---|
| 2580 | __debugbreak();
|
|---|
| 2581 | }
|
|---|
| 2582 |
|
|---|
| 2583 | /** CreateThread interceptor. */
|
|---|
| 2584 | static HANDLE WINAPI kwSandbox_Kernel32_CreateThread(LPSECURITY_ATTRIBUTES pSecAttr, SIZE_T cbStack,
|
|---|
| 2585 | PTHREAD_START_ROUTINE pfnThreadProc, PVOID pvUser,
|
|---|
| 2586 | DWORD fFlags, PDWORD pidThread)
|
|---|
| 2587 | {
|
|---|
| 2588 | __debugbreak();
|
|---|
| 2589 | return NULL;
|
|---|
| 2590 | }
|
|---|
| 2591 |
|
|---|
| 2592 |
|
|---|
| 2593 | /** _beginthread - create a new thread. */
|
|---|
| 2594 | static uintptr_t __cdecl kwSandbox_msvcrt__beginthread(void (__cdecl *pfnThreadProc)(void *), unsigned cbStack, void *pvUser)
|
|---|
| 2595 | {
|
|---|
| 2596 | __debugbreak();
|
|---|
| 2597 | return 0;
|
|---|
| 2598 | }
|
|---|
| 2599 |
|
|---|
| 2600 |
|
|---|
| 2601 | /** _beginthreadex - create a new thread. */
|
|---|
| 2602 | static uintptr_t __cdecl kwSandbox_msvcrt__beginthreadex(void *pvSecAttr, unsigned cbStack,
|
|---|
| 2603 | unsigned (__stdcall *pfnThreadProc)(void *), void *pvUser,
|
|---|
| 2604 | unsigned fCreate, unsigned *pidThread)
|
|---|
| 2605 | {
|
|---|
| 2606 | __debugbreak();
|
|---|
| 2607 | return 0;
|
|---|
| 2608 | }
|
|---|
| 2609 |
|
|---|
| 2610 |
|
|---|
| 2611 | /*
|
|---|
| 2612 | *
|
|---|
| 2613 | * Environment related APIs.
|
|---|
| 2614 | * Environment related APIs.
|
|---|
| 2615 | * Environment related APIs.
|
|---|
| 2616 | *
|
|---|
| 2617 | */
|
|---|
| 2618 |
|
|---|
| 2619 | /** Kernel32 - GetEnvironmentVariableA() */
|
|---|
| 2620 | static DWORD WINAPI kwSandbox_Kernel32_GetEnvironmentVariableA(LPCSTR pwszVar, LPSTR pszValue, DWORD cbValue)
|
|---|
| 2621 | {
|
|---|
| 2622 | __debugbreak();
|
|---|
| 2623 | return 0;
|
|---|
| 2624 | }
|
|---|
| 2625 |
|
|---|
| 2626 |
|
|---|
| 2627 | /** Kernel32 - GetEnvironmentVariableW() */
|
|---|
| 2628 | static DWORD WINAPI kwSandbox_Kernel32_GetEnvironmentVariableW(LPCWSTR pwszVar, LPWSTR pwszValue, DWORD cbValue)
|
|---|
| 2629 | {
|
|---|
| 2630 | KW_LOG(("GetEnvironmentVariableW: '%ls'\n", pwszVar));
|
|---|
| 2631 | //__debugbreak();
|
|---|
| 2632 | //SetLastError(ERROR_ENVVAR_NOT_FOUND);
|
|---|
| 2633 | //return 0;
|
|---|
| 2634 | return GetEnvironmentVariableW(pwszVar, pwszValue, cbValue);
|
|---|
| 2635 | }
|
|---|
| 2636 |
|
|---|
| 2637 |
|
|---|
| 2638 | /** Kernel32 - SetEnvironmentVariableA() */
|
|---|
| 2639 | static BOOL WINAPI kwSandbox_Kernel32_SetEnvironmentVariableA(LPCSTR pszVar, LPCSTR pszValue)
|
|---|
| 2640 | {
|
|---|
| 2641 | __debugbreak();
|
|---|
| 2642 | return FALSE;
|
|---|
| 2643 | }
|
|---|
| 2644 |
|
|---|
| 2645 |
|
|---|
| 2646 | /** Kernel32 - SetEnvironmentVariableW() */
|
|---|
| 2647 | static BOOL WINAPI kwSandbox_Kernel32_SetEnvironmentVariableW(LPCWSTR pwszVar, LPCWSTR pwszValue)
|
|---|
| 2648 | {
|
|---|
| 2649 | KW_LOG(("SetEnvironmentVariableW: '%ls' = '%ls'\n", pwszVar, pwszValue));
|
|---|
| 2650 | return SetEnvironmentVariableW(pwszVar, pwszValue);
|
|---|
| 2651 | //__debugbreak();
|
|---|
| 2652 | //return FALSE;
|
|---|
| 2653 | }
|
|---|
| 2654 |
|
|---|
| 2655 |
|
|---|
| 2656 | /** Kernel32 - ExpandEnvironmentStringsA() */
|
|---|
| 2657 | static DWORD WINAPI kwSandbox_Kernel32_ExpandEnvironmentStringsA(LPCSTR pszSrc, LPSTR pwszDst, DWORD cbDst)
|
|---|
| 2658 | {
|
|---|
| 2659 | __debugbreak();
|
|---|
| 2660 | return 0;
|
|---|
| 2661 | }
|
|---|
| 2662 |
|
|---|
| 2663 |
|
|---|
| 2664 | /** Kernel32 - ExpandEnvironmentStringsW() */
|
|---|
| 2665 | static DWORD WINAPI kwSandbox_Kernel32_ExpandEnvironmentStringsW(LPCWSTR pwszSrc, LPWSTR pwszDst, DWORD cbDst)
|
|---|
| 2666 | {
|
|---|
| 2667 | __debugbreak();
|
|---|
| 2668 | return 0;
|
|---|
| 2669 | }
|
|---|
| 2670 |
|
|---|
| 2671 |
|
|---|
| 2672 | /** CRT - _putenv(). */
|
|---|
| 2673 | static int __cdecl kwSandbox_msvcrt__putenv(const char *pszVarEqualValue)
|
|---|
| 2674 | {
|
|---|
| 2675 | __debugbreak();
|
|---|
| 2676 | return 0;
|
|---|
| 2677 | }
|
|---|
| 2678 |
|
|---|
| 2679 |
|
|---|
| 2680 | /** CRT - _wputenv(). */
|
|---|
| 2681 | static int __cdecl kwSandbox_msvcrt__wputenv(const wchar_t *pwszVarEqualValue)
|
|---|
| 2682 | {
|
|---|
| 2683 | __debugbreak();
|
|---|
| 2684 | return 0;
|
|---|
| 2685 | }
|
|---|
| 2686 |
|
|---|
| 2687 |
|
|---|
| 2688 | /** CRT - _putenv_s(). */
|
|---|
| 2689 | static errno_t __cdecl kwSandbox_msvcrt__putenv_s(const char *pszVar, const char *pszValue)
|
|---|
| 2690 | {
|
|---|
| 2691 | __debugbreak();
|
|---|
| 2692 | return 0;
|
|---|
| 2693 | }
|
|---|
| 2694 |
|
|---|
| 2695 |
|
|---|
| 2696 | /** CRT - _wputenv_s(). */
|
|---|
| 2697 | static errno_t __cdecl kwSandbox_msvcrt__wputenv_s(const wchar_t *pwszVar, const wchar_t *pwszValue)
|
|---|
| 2698 | {
|
|---|
| 2699 | KW_LOG(("_wputenv_s: '%ls' = '%ls'\n", pwszVar, pwszValue));
|
|---|
| 2700 | //__debugbreak();
|
|---|
| 2701 | return SetEnvironmentVariableW(pwszVar, pwszValue) ? 0 : -1;
|
|---|
| 2702 | }
|
|---|
| 2703 |
|
|---|
| 2704 |
|
|---|
| 2705 | /** CRT - get pointer to the __initenv variable (initial environment). */
|
|---|
| 2706 | static char *** __cdecl kwSandbox_msvcrt___p___initenv(void)
|
|---|
| 2707 | {
|
|---|
| 2708 | return &g_Sandbox.initenv;
|
|---|
| 2709 | }
|
|---|
| 2710 |
|
|---|
| 2711 |
|
|---|
| 2712 | /** CRT - get pointer to the __winitenv variable (initial environment). */
|
|---|
| 2713 | static wchar_t *** __cdecl kwSandbox_msvcrt___p___winitenv(void)
|
|---|
| 2714 | {
|
|---|
| 2715 | return &g_Sandbox.winitenv;
|
|---|
| 2716 | }
|
|---|
| 2717 |
|
|---|
| 2718 |
|
|---|
| 2719 | /** CRT - get pointer to the _environ variable (current environment). */
|
|---|
| 2720 | static char *** __cdecl kwSandbox_msvcrt___p__environ(void)
|
|---|
| 2721 | {
|
|---|
| 2722 | return &g_Sandbox.environ;
|
|---|
| 2723 | }
|
|---|
| 2724 |
|
|---|
| 2725 |
|
|---|
| 2726 | /** CRT - get pointer to the _wenviron variable (current environment). */
|
|---|
| 2727 | static wchar_t *** __cdecl kwSandbox_msvcrt___p__wenviron(void)
|
|---|
| 2728 | {
|
|---|
| 2729 | return &g_Sandbox.wenviron;
|
|---|
| 2730 | }
|
|---|
| 2731 |
|
|---|
| 2732 |
|
|---|
| 2733 | /** CRT - get the _environ variable (current environment).
|
|---|
| 2734 | * @remarks Not documented or prototyped? */
|
|---|
| 2735 | static KUPTR /*void*/ __cdecl kwSandbox_msvcrt__get_environ(char ***ppapszEnviron)
|
|---|
| 2736 | {
|
|---|
| 2737 | __debugbreak(); /** @todo check the callers expecations! */
|
|---|
| 2738 | *ppapszEnviron = g_Sandbox.environ;
|
|---|
| 2739 | return 0;
|
|---|
| 2740 | }
|
|---|
| 2741 |
|
|---|
| 2742 |
|
|---|
| 2743 | /** CRT - get the _wenviron variable (current environment).
|
|---|
| 2744 | * @remarks Not documented or prototyped? */
|
|---|
| 2745 | static KUPTR /*void*/ __cdecl kwSandbox_msvcrt__get_wenviron(wchar_t ***ppapwszEnviron)
|
|---|
| 2746 | {
|
|---|
| 2747 | __debugbreak(); /** @todo check the callers expecations! */
|
|---|
| 2748 | *ppapwszEnviron = g_Sandbox.wenviron;
|
|---|
| 2749 | return 0;
|
|---|
| 2750 | }
|
|---|
| 2751 |
|
|---|
| 2752 |
|
|---|
| 2753 |
|
|---|
| 2754 | /*
|
|---|
| 2755 | *
|
|---|
| 2756 | * Loader related APIs
|
|---|
| 2757 | * Loader related APIs
|
|---|
| 2758 | * Loader related APIs
|
|---|
| 2759 | *
|
|---|
| 2760 | */
|
|---|
| 2761 |
|
|---|
| 2762 |
|
|---|
| 2763 | /** Kernel32 - LoadLibraryExA() */
|
|---|
| 2764 | static HMODULE WINAPI kwSandbox_Kernel32_LoadLibraryExA(LPCSTR pszFilename, HANDLE hFile, DWORD fFlags)
|
|---|
| 2765 | {
|
|---|
| 2766 | PKWDYNLOAD pDynLoad;
|
|---|
| 2767 | PKWMODULE pMod;
|
|---|
| 2768 | int rc;
|
|---|
| 2769 |
|
|---|
| 2770 | if ( (fFlags & LOAD_LIBRARY_AS_DATAFILE_EXCLUSIVE)
|
|---|
| 2771 | || (hFile != NULL && hFile != INVALID_HANDLE_VALUE) )
|
|---|
| 2772 | {
|
|---|
| 2773 | __debugbreak();
|
|---|
| 2774 | return LoadLibraryExA(pszFilename, hFile, fFlags);
|
|---|
| 2775 | }
|
|---|
| 2776 |
|
|---|
| 2777 | /*
|
|---|
| 2778 | * Deal with resource / data DLLs.
|
|---|
| 2779 | */
|
|---|
| 2780 | if (fFlags & ( DONT_RESOLVE_DLL_REFERENCES
|
|---|
| 2781 | | LOAD_LIBRARY_AS_DATAFILE
|
|---|
| 2782 | | LOAD_LIBRARY_AS_IMAGE_RESOURCE) )
|
|---|
| 2783 | {
|
|---|
| 2784 | HMODULE hmod;
|
|---|
| 2785 | char szNormPath[4096];
|
|---|
| 2786 | KU32 uHashPath;
|
|---|
| 2787 |
|
|---|
| 2788 | /* currently, only deal with those that has a path. */
|
|---|
| 2789 | if (kHlpIsFilenameOnly(pszFilename))
|
|---|
| 2790 | {
|
|---|
| 2791 | __debugbreak();
|
|---|
| 2792 | return LoadLibraryExA(pszFilename, hFile, fFlags);
|
|---|
| 2793 | }
|
|---|
| 2794 |
|
|---|
| 2795 | /* Normalize the path. */
|
|---|
| 2796 | rc = kwPathNormalize(pszFilename, szNormPath, sizeof(szNormPath));
|
|---|
| 2797 | if (rc != 0)
|
|---|
| 2798 | {
|
|---|
| 2799 | __debugbreak();
|
|---|
| 2800 | return LoadLibraryExA(pszFilename, hFile, fFlags);
|
|---|
| 2801 | }
|
|---|
| 2802 |
|
|---|
| 2803 | /* Try look it up. */
|
|---|
| 2804 | uHashPath = kwStrHash(szNormPath);
|
|---|
| 2805 | for (pDynLoad = g_Sandbox.pTool->u.Sandboxed.pDynLoadHead; pDynLoad != NULL; pDynLoad = pDynLoad->pNext)
|
|---|
| 2806 | if ( pDynLoad->uHashPath == uHashPath
|
|---|
| 2807 | && kHlpStrComp(pDynLoad->pszPath, szNormPath) == 0)
|
|---|
| 2808 | {
|
|---|
| 2809 | if (pDynLoad->pMod == NULL)
|
|---|
| 2810 | return pDynLoad->hmod;
|
|---|
| 2811 | __debugbreak();
|
|---|
| 2812 | }
|
|---|
| 2813 |
|
|---|
| 2814 | /* Then try load it. */
|
|---|
| 2815 | hmod = LoadLibraryExA(szNormPath, hFile, fFlags);
|
|---|
| 2816 | if (hmod)
|
|---|
| 2817 | {
|
|---|
| 2818 | KSIZE cbNormPath = kHlpStrLen(szNormPath) + 1;
|
|---|
| 2819 | pDynLoad = (PKWDYNLOAD)kHlpAlloc(sizeof(*pDynLoad) + cbNormPath + cbNormPath * 2 * sizeof(wchar_t));
|
|---|
| 2820 | if (pDynLoad)
|
|---|
| 2821 | {
|
|---|
| 2822 | pDynLoad->pszPath = (char *)kHlpMemCopy(pDynLoad + 1, szNormPath, cbNormPath);
|
|---|
| 2823 | pDynLoad->pwszPath = (wchar_t *)(pDynLoad->pszPath + cbNormPath + (cbNormPath & 1));
|
|---|
| 2824 | kwStrToUtf16(pDynLoad->pszPath, (wchar_t *)pDynLoad->pwszPath, cbNormPath * 2);
|
|---|
| 2825 | pDynLoad->pszModName = kHlpGetFilename(pDynLoad->pszPath);
|
|---|
| 2826 | pDynLoad->uHashPath = uHashPath;
|
|---|
| 2827 | pDynLoad->pMod = NULL; /* indicates special */
|
|---|
| 2828 | pDynLoad->hmod = hmod;
|
|---|
| 2829 |
|
|---|
| 2830 | pDynLoad->pNext = g_Sandbox.pTool->u.Sandboxed.pDynLoadHead;
|
|---|
| 2831 | g_Sandbox.pTool->u.Sandboxed.pDynLoadHead = pDynLoad;
|
|---|
| 2832 | }
|
|---|
| 2833 | else
|
|---|
| 2834 | __debugbreak();
|
|---|
| 2835 | }
|
|---|
| 2836 | return hmod;
|
|---|
| 2837 | }
|
|---|
| 2838 |
|
|---|
| 2839 | /*
|
|---|
| 2840 | * Normal library loading.
|
|---|
| 2841 | * We start by being very lazy and reusing the code for resolving imports.
|
|---|
| 2842 | */
|
|---|
| 2843 | if (!kHlpIsFilenameOnly(pszFilename))
|
|---|
| 2844 | pMod = kwLdrModuleTryLoadDll(pszFilename, KWLOCATION_UNKNOWN, g_Sandbox.pTool->u.Sandboxed.pExe);
|
|---|
| 2845 | else
|
|---|
| 2846 | {
|
|---|
| 2847 | __debugbreak();
|
|---|
| 2848 | rc = kwLdrModuleResolveAndLookup(pszFilename, g_Sandbox.pTool->u.Sandboxed.pExe, NULL /*pImporter*/, &pMod);
|
|---|
| 2849 | if (rc != 0)
|
|---|
| 2850 | pMod = NULL;
|
|---|
| 2851 | }
|
|---|
| 2852 | if (!pMod)
|
|---|
| 2853 | {
|
|---|
| 2854 | __debugbreak();
|
|---|
| 2855 | SetLastError(ERROR_MOD_NOT_FOUND);
|
|---|
| 2856 | return NULL;
|
|---|
| 2857 | }
|
|---|
| 2858 |
|
|---|
| 2859 | /*
|
|---|
| 2860 | * Make sure it's initialized.
|
|---|
| 2861 | */
|
|---|
| 2862 | rc = kwLdrModuleInitTree(pMod);
|
|---|
| 2863 | if (rc == 0)
|
|---|
| 2864 | {
|
|---|
| 2865 | /*
|
|---|
| 2866 | * Create an dynamic loading entry for it.
|
|---|
| 2867 | */
|
|---|
| 2868 | pDynLoad = (PKWDYNLOAD)kHlpAlloc(sizeof(*pDynLoad));
|
|---|
| 2869 | if (pDynLoad)
|
|---|
| 2870 | {
|
|---|
| 2871 | pDynLoad->pszPath = pMod->pszPath;
|
|---|
| 2872 | pDynLoad->pwszPath = pMod->pwszPath;
|
|---|
| 2873 | pDynLoad->pszModName = kHlpGetFilename(pDynLoad->pszPath);
|
|---|
| 2874 | pDynLoad->uHashPath = pMod->uHashPath;
|
|---|
| 2875 | pDynLoad->pMod = pMod;
|
|---|
| 2876 | pDynLoad->hmod = pMod->hOurMod;
|
|---|
| 2877 |
|
|---|
| 2878 | pDynLoad->pNext = g_Sandbox.pTool->u.Sandboxed.pDynLoadHead;
|
|---|
| 2879 | g_Sandbox.pTool->u.Sandboxed.pDynLoadHead = pDynLoad;
|
|---|
| 2880 |
|
|---|
| 2881 | return pDynLoad->hmod;
|
|---|
| 2882 | }
|
|---|
| 2883 | }
|
|---|
| 2884 |
|
|---|
| 2885 | __debugbreak();
|
|---|
| 2886 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 2887 | kwLdrModuleRelease(pMod);
|
|---|
| 2888 | return NULL;
|
|---|
| 2889 | }
|
|---|
| 2890 |
|
|---|
| 2891 |
|
|---|
| 2892 | /** Kernel32 - LoadLibraryExW() */
|
|---|
| 2893 | static HMODULE WINAPI kwSandbox_Kernel32_LoadLibraryExW(LPCWSTR pwszFilename, HANDLE hFile, DWORD fFlags)
|
|---|
| 2894 | {
|
|---|
| 2895 | char szTmp[4096];
|
|---|
| 2896 | KSIZE cchTmp = kwUtf16ToStr(pwszFilename, szTmp, sizeof(szTmp));
|
|---|
| 2897 | if (cchTmp < sizeof(szTmp))
|
|---|
| 2898 | return kwSandbox_Kernel32_LoadLibraryExA(szTmp, hFile, fFlags);
|
|---|
| 2899 |
|
|---|
| 2900 | __debugbreak();
|
|---|
| 2901 | SetLastError(ERROR_FILENAME_EXCED_RANGE);
|
|---|
| 2902 | return NULL;
|
|---|
| 2903 | }
|
|---|
| 2904 |
|
|---|
| 2905 | /** Kernel32 - LoadLibraryA() */
|
|---|
| 2906 | static HMODULE WINAPI kwSandbox_Kernel32_LoadLibraryA(LPCSTR pszFilename)
|
|---|
| 2907 | {
|
|---|
| 2908 | return kwSandbox_Kernel32_LoadLibraryExA(pszFilename, NULL /*hFile*/, 0 /*fFlags*/);
|
|---|
| 2909 | }
|
|---|
| 2910 |
|
|---|
| 2911 |
|
|---|
| 2912 | /** Kernel32 - LoadLibraryW() */
|
|---|
| 2913 | static HMODULE WINAPI kwSandbox_Kernel32_LoadLibraryW(LPCWSTR pwszFilename)
|
|---|
| 2914 | {
|
|---|
| 2915 | char szTmp[4096];
|
|---|
| 2916 | KSIZE cchTmp = kwUtf16ToStr(pwszFilename, szTmp, sizeof(szTmp));
|
|---|
| 2917 | if (cchTmp < sizeof(szTmp))
|
|---|
| 2918 | return kwSandbox_Kernel32_LoadLibraryExA(szTmp, NULL /*hFile*/, 0 /*fFlags*/);
|
|---|
| 2919 | __debugbreak();
|
|---|
| 2920 | SetLastError(ERROR_FILENAME_EXCED_RANGE);
|
|---|
| 2921 | return NULL;
|
|---|
| 2922 | }
|
|---|
| 2923 |
|
|---|
| 2924 |
|
|---|
| 2925 | /** Kernel32 - FreeLibrary() */
|
|---|
| 2926 | static BOOL WINAPI kwSandbox_Kernel32_FreeLibrary(HMODULE hmod)
|
|---|
| 2927 | {
|
|---|
| 2928 | /* Ignored, we like to keep everything loaded. */
|
|---|
| 2929 | return TRUE;
|
|---|
| 2930 | }
|
|---|
| 2931 |
|
|---|
| 2932 |
|
|---|
| 2933 | /** Kernel32 - GetModuleHandleA() */
|
|---|
| 2934 | static HMODULE WINAPI kwSandbox_Kernel32_GetModuleHandleA(LPCSTR pszModule)
|
|---|
| 2935 | {
|
|---|
| 2936 | if (pszModule == NULL)
|
|---|
| 2937 | return (HMODULE)g_Sandbox.pTool->u.Sandboxed.pExe->hOurMod;
|
|---|
| 2938 | __debugbreak();
|
|---|
| 2939 | return NULL;
|
|---|
| 2940 | }
|
|---|
| 2941 |
|
|---|
| 2942 |
|
|---|
| 2943 | /** Kernel32 - GetModuleHandleW() */
|
|---|
| 2944 | static HMODULE WINAPI kwSandbox_Kernel32_GetModuleHandleW(LPCWSTR pwszModule)
|
|---|
| 2945 | {
|
|---|
| 2946 | if (pwszModule == NULL)
|
|---|
| 2947 | return (HMODULE)g_Sandbox.pTool->u.Sandboxed.pExe->hOurMod;
|
|---|
| 2948 | __debugbreak();
|
|---|
| 2949 | return NULL;
|
|---|
| 2950 | }
|
|---|
| 2951 |
|
|---|
| 2952 |
|
|---|
| 2953 | static PKWMODULE kwSandboxLocateModuleByHandle(PKWSANDBOX pSandbox, HMODULE hmod)
|
|---|
| 2954 | {
|
|---|
| 2955 | PKWDYNLOAD pDynLoad;
|
|---|
| 2956 |
|
|---|
| 2957 | /* The executable. */
|
|---|
| 2958 | if ( hmod == NULL
|
|---|
| 2959 | || pSandbox->pTool->u.Sandboxed.pExe->hOurMod == hmod)
|
|---|
| 2960 | return kwLdrModuleRetain(pSandbox->pTool->u.Sandboxed.pExe);
|
|---|
| 2961 |
|
|---|
| 2962 | /* Dynamically loaded images. */
|
|---|
| 2963 | for (pDynLoad = pSandbox->pTool->u.Sandboxed.pDynLoadHead; pDynLoad != NULL; pDynLoad = pDynLoad->pNext)
|
|---|
| 2964 | if (pDynLoad->hmod == hmod)
|
|---|
| 2965 | {
|
|---|
| 2966 | if (pDynLoad->pMod)
|
|---|
| 2967 | return kwLdrModuleRetain(pDynLoad->pMod);
|
|---|
| 2968 | __debugbreak();
|
|---|
| 2969 | return NULL;
|
|---|
| 2970 | }
|
|---|
| 2971 |
|
|---|
| 2972 | return NULL;
|
|---|
| 2973 | }
|
|---|
| 2974 |
|
|---|
| 2975 |
|
|---|
| 2976 | /** Used to debug dynamically resolved procedures. */
|
|---|
| 2977 | static UINT WINAPI kwSandbox_BreakIntoDebugger(void *pv1, void *pv2, void *pv3, void *pv4)
|
|---|
| 2978 | {
|
|---|
| 2979 | __debugbreak();
|
|---|
| 2980 | return -1;
|
|---|
| 2981 | }
|
|---|
| 2982 |
|
|---|
| 2983 |
|
|---|
| 2984 | /** Kernel32 - GetProcAddress() */
|
|---|
| 2985 | static FARPROC WINAPI kwSandbox_Kernel32_GetProcAddress(HMODULE hmod, LPCSTR pszProc)
|
|---|
| 2986 | {
|
|---|
| 2987 | /*
|
|---|
| 2988 | * Try locate the module.
|
|---|
| 2989 | */
|
|---|
| 2990 | PKWMODULE pMod = kwSandboxLocateModuleByHandle(&g_Sandbox, hmod);
|
|---|
| 2991 | if (pMod)
|
|---|
| 2992 | {
|
|---|
| 2993 | KLDRADDR uValue;
|
|---|
| 2994 | int rc = kLdrModQuerySymbol(pMod->pLdrMod,
|
|---|
| 2995 | pMod->fNative ? NULL : pMod->u.Manual.pvBits,
|
|---|
| 2996 | pMod->fNative ? KLDRMOD_BASEADDRESS_MAP : (KUPTR)pMod->u.Manual.pvLoad,
|
|---|
| 2997 | KU32_MAX /*iSymbol*/,
|
|---|
| 2998 | pszProc,
|
|---|
| 2999 | strlen(pszProc),
|
|---|
| 3000 | NULL /*pszVersion*/,
|
|---|
| 3001 | NULL /*pfnGetForwarder*/, NULL /*pvUser*/,
|
|---|
| 3002 | &uValue,
|
|---|
| 3003 | NULL /*pfKind*/);
|
|---|
| 3004 | if (rc == 0)
|
|---|
| 3005 | {
|
|---|
| 3006 | static int s_cDbgGets = 0;
|
|---|
| 3007 | s_cDbgGets++;
|
|---|
| 3008 | KW_LOG(("GetProcAddress(%s, %s) -> %p [%d]\n", pMod->pszPath, pszProc, (KUPTR)uValue, s_cDbgGets));
|
|---|
| 3009 | kwLdrModuleRelease(pMod);
|
|---|
| 3010 | //if (s_cGets >= 3)
|
|---|
| 3011 | // return (FARPROC)kwSandbox_BreakIntoDebugger;
|
|---|
| 3012 | return (FARPROC)(KUPTR)uValue;
|
|---|
| 3013 | }
|
|---|
| 3014 |
|
|---|
| 3015 | __debugbreak();
|
|---|
| 3016 | SetLastError(ERROR_PROC_NOT_FOUND);
|
|---|
| 3017 | kwLdrModuleRelease(pMod);
|
|---|
| 3018 | return NULL;
|
|---|
| 3019 | }
|
|---|
| 3020 |
|
|---|
| 3021 | __debugbreak();
|
|---|
| 3022 | return GetProcAddress(hmod, pszProc);
|
|---|
| 3023 | }
|
|---|
| 3024 |
|
|---|
| 3025 |
|
|---|
| 3026 | /** Kernel32 - GetModuleFileNameA() */
|
|---|
| 3027 | static DWORD WINAPI kwSandbox_Kernel32_GetModuleFileNameA(HMODULE hmod, LPSTR pszFilename, DWORD cbFilename)
|
|---|
| 3028 | {
|
|---|
| 3029 | PKWMODULE pMod = kwSandboxLocateModuleByHandle(&g_Sandbox, hmod);
|
|---|
| 3030 | if (pMod != NULL)
|
|---|
| 3031 | {
|
|---|
| 3032 | DWORD cbRet = kwStrCopyStyle1(pMod->pszPath, pszFilename, cbFilename);
|
|---|
| 3033 | kwLdrModuleRelease(pMod);
|
|---|
| 3034 | return cbRet;
|
|---|
| 3035 | }
|
|---|
| 3036 | __debugbreak();
|
|---|
| 3037 | return 0;
|
|---|
| 3038 | }
|
|---|
| 3039 |
|
|---|
| 3040 |
|
|---|
| 3041 | /** Kernel32 - GetModuleFileNameW() */
|
|---|
| 3042 | static DWORD WINAPI kwSandbox_Kernel32_GetModuleFileNameW(HMODULE hmod, LPWSTR pwszFilename, DWORD cbFilename)
|
|---|
| 3043 | {
|
|---|
| 3044 | PKWMODULE pMod = kwSandboxLocateModuleByHandle(&g_Sandbox, hmod);
|
|---|
| 3045 | if (pMod)
|
|---|
| 3046 | {
|
|---|
| 3047 | DWORD cwcRet = kwUtf16CopyStyle1(pMod->pwszPath, pwszFilename, cbFilename);
|
|---|
| 3048 | kwLdrModuleRelease(pMod);
|
|---|
| 3049 | return cwcRet;
|
|---|
| 3050 | }
|
|---|
| 3051 |
|
|---|
| 3052 | __debugbreak();
|
|---|
| 3053 | return 0;
|
|---|
| 3054 | }
|
|---|
| 3055 |
|
|---|
| 3056 |
|
|---|
| 3057 |
|
|---|
| 3058 | /*
|
|---|
| 3059 | *
|
|---|
| 3060 | * File access APIs (for speeding them up).
|
|---|
| 3061 | * File access APIs (for speeding them up).
|
|---|
| 3062 | * File access APIs (for speeding them up).
|
|---|
| 3063 | *
|
|---|
| 3064 | */
|
|---|
| 3065 |
|
|---|
| 3066 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 3067 |
|
|---|
| 3068 | /**
|
|---|
| 3069 | * Checks for a cl.exe temporary file.
|
|---|
| 3070 | *
|
|---|
| 3071 | * There are quite a bunch of these. They seems to be passing data between the
|
|---|
| 3072 | * first and second compiler pass. Since they're on disk, they get subjected to
|
|---|
| 3073 | * AV software screening and normal file consistency rules. So, not necessarily
|
|---|
| 3074 | * a very efficient way of handling reasonably small amounts of data.
|
|---|
| 3075 | *
|
|---|
| 3076 | * We make the files live in virtual memory by intercepting their opening,
|
|---|
| 3077 | * writing, reading, closing , mapping, unmapping, and maybe some more stuff.
|
|---|
| 3078 | *
|
|---|
| 3079 | * @returns K_TRUE / K_FALSE
|
|---|
| 3080 | * @param pwszFilename The file name being accessed.
|
|---|
| 3081 | */
|
|---|
| 3082 | static KBOOL kwFsIsClTempFileW(const wchar_t *pwszFilename)
|
|---|
| 3083 | {
|
|---|
| 3084 | wchar_t const *pwszName = kwPathGetFilenameW(pwszFilename);
|
|---|
| 3085 | if (pwszName)
|
|---|
| 3086 | {
|
|---|
| 3087 | /* The name starts with _CL_... */
|
|---|
| 3088 | if ( pwszName[0] == '_'
|
|---|
| 3089 | && pwszName[1] == 'C'
|
|---|
| 3090 | && pwszName[2] == 'L'
|
|---|
| 3091 | && pwszName[3] == '_' )
|
|---|
| 3092 | {
|
|---|
| 3093 | /* ... followed by 8 xdigits and ends with a two letter file type. Simplify
|
|---|
| 3094 | this check by just checking that it's alpha numerical ascii from here on. */
|
|---|
| 3095 | wchar_t wc;
|
|---|
| 3096 | pwszName += 4;
|
|---|
| 3097 | while ((wc = *pwszName++) != '\0')
|
|---|
| 3098 | {
|
|---|
| 3099 | if (wc < 127 && iswalnum(wc))
|
|---|
| 3100 | { /* likely */ }
|
|---|
| 3101 | else
|
|---|
| 3102 | return K_FALSE;
|
|---|
| 3103 | }
|
|---|
| 3104 | return K_TRUE;
|
|---|
| 3105 | }
|
|---|
| 3106 | }
|
|---|
| 3107 | return K_FALSE;
|
|---|
| 3108 | }
|
|---|
| 3109 |
|
|---|
| 3110 |
|
|---|
| 3111 | /**
|
|---|
| 3112 | * Creates a handle to a temporary file.
|
|---|
| 3113 | *
|
|---|
| 3114 | * @returns The handle on success.
|
|---|
| 3115 | * INVALID_HANDLE_VALUE and SetLastError on failure.
|
|---|
| 3116 | * @param pTempFile The temporary file.
|
|---|
| 3117 | * @param dwDesiredAccess The desired access to the handle.
|
|---|
| 3118 | * @param fMapping Whether this is a mapping (K_TRUE) or file
|
|---|
| 3119 | * (K_FALSE) handle type.
|
|---|
| 3120 | */
|
|---|
| 3121 | static HANDLE kwFsTempFileCreateHandle(PKWFSTEMPFILE pTempFile, DWORD dwDesiredAccess, KBOOL fMapping)
|
|---|
| 3122 | {
|
|---|
| 3123 | /*
|
|---|
| 3124 | * Create a handle to the temporary file.
|
|---|
| 3125 | */
|
|---|
| 3126 | HANDLE hFile = INVALID_HANDLE_VALUE;
|
|---|
| 3127 | HANDLE hProcSelf = GetCurrentProcess();
|
|---|
| 3128 | if (DuplicateHandle(hProcSelf, hProcSelf,
|
|---|
| 3129 | hProcSelf, &hFile,
|
|---|
| 3130 | SYNCHRONIZE, FALSE,
|
|---|
| 3131 | 0 /*dwOptions*/))
|
|---|
| 3132 | {
|
|---|
| 3133 | PKWHANDLE pHandle = (PKWHANDLE)kHlpAlloc(sizeof(*pHandle));
|
|---|
| 3134 | if (pHandle)
|
|---|
| 3135 | {
|
|---|
| 3136 | pHandle->enmType = !fMapping ? KWHANDLETYPE_TEMP_FILE : KWHANDLETYPE_TEMP_FILE_MAPPING;
|
|---|
| 3137 | pHandle->offFile = 0;
|
|---|
| 3138 | pHandle->hHandle = hFile;
|
|---|
| 3139 | pHandle->dwDesiredAccess = dwDesiredAccess;
|
|---|
| 3140 | pHandle->u.pTempFile = pTempFile;
|
|---|
| 3141 | if (kwSandboxHandleTableEnter(&g_Sandbox, pHandle))
|
|---|
| 3142 | {
|
|---|
| 3143 | pTempFile->cActiveHandles++;
|
|---|
| 3144 | kHlpAssert(pTempFile->cActiveHandles >= 1);
|
|---|
| 3145 | kHlpAssert(pTempFile->cActiveHandles <= 2);
|
|---|
| 3146 | KWFS_LOG(("kwFsTempFileCreateHandle: Temporary file '%ls' -> %p\n", pTempFile->pwszPath, hFile));
|
|---|
| 3147 | return hFile;
|
|---|
| 3148 | }
|
|---|
| 3149 |
|
|---|
| 3150 | kHlpFree(pHandle);
|
|---|
| 3151 | }
|
|---|
| 3152 | else
|
|---|
| 3153 | KWFS_LOG(("kwFsTempFileCreateHandle: Out of memory!\n"));
|
|---|
| 3154 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 3155 | }
|
|---|
| 3156 | else
|
|---|
| 3157 | KWFS_LOG(("kwFsTempFileCreateHandle: DuplicateHandle failed: err=%u\n", GetLastError()));
|
|---|
| 3158 | return INVALID_HANDLE_VALUE;
|
|---|
| 3159 | }
|
|---|
| 3160 |
|
|---|
| 3161 |
|
|---|
| 3162 | static HANDLE kwFsTempFileCreateW(const wchar_t *pwszFilename, DWORD dwDesiredAccess, DWORD dwCreationDisposition)
|
|---|
| 3163 | {
|
|---|
| 3164 | HANDLE hFile;
|
|---|
| 3165 | DWORD dwErr;
|
|---|
| 3166 |
|
|---|
| 3167 | /*
|
|---|
| 3168 | * Check if we've got an existing temp file.
|
|---|
| 3169 | * ASSUME exact same path for now.
|
|---|
| 3170 | */
|
|---|
| 3171 | KSIZE const cwcFilename = kwUtf16Len(pwszFilename);
|
|---|
| 3172 | PKWFSTEMPFILE pTempFile;
|
|---|
| 3173 | for (pTempFile = g_Sandbox.pTempFileHead; pTempFile != NULL; pTempFile = pTempFile->pNext)
|
|---|
| 3174 | {
|
|---|
| 3175 | /* Since the last two chars are usually the only difference, we check them manually before calling memcmp. */
|
|---|
| 3176 | if ( pTempFile->cwcPath == cwcFilename
|
|---|
| 3177 | && pTempFile->pwszPath[cwcFilename - 1] == pwszFilename[cwcFilename - 1]
|
|---|
| 3178 | && pTempFile->pwszPath[cwcFilename - 2] == pwszFilename[cwcFilename - 2]
|
|---|
| 3179 | && kHlpMemComp(pTempFile->pwszPath, pwszFilename, cwcFilename) == 0)
|
|---|
| 3180 | break;
|
|---|
| 3181 | }
|
|---|
| 3182 |
|
|---|
| 3183 | /*
|
|---|
| 3184 | * Create a new temporary file instance if not found.
|
|---|
| 3185 | */
|
|---|
| 3186 | if (pTempFile == NULL)
|
|---|
| 3187 | {
|
|---|
| 3188 | KSIZE cbFilename;
|
|---|
| 3189 |
|
|---|
| 3190 | switch (dwCreationDisposition)
|
|---|
| 3191 | {
|
|---|
| 3192 | case CREATE_ALWAYS:
|
|---|
| 3193 | case OPEN_ALWAYS:
|
|---|
| 3194 | dwErr = NO_ERROR;
|
|---|
| 3195 | break;
|
|---|
| 3196 |
|
|---|
| 3197 | case CREATE_NEW:
|
|---|
| 3198 | kHlpAssertFailed();
|
|---|
| 3199 | SetLastError(ERROR_ALREADY_EXISTS);
|
|---|
| 3200 | return INVALID_HANDLE_VALUE;
|
|---|
| 3201 |
|
|---|
| 3202 | case OPEN_EXISTING:
|
|---|
| 3203 | case TRUNCATE_EXISTING:
|
|---|
| 3204 | kHlpAssertFailed();
|
|---|
| 3205 | SetLastError(ERROR_FILE_NOT_FOUND);
|
|---|
| 3206 | return INVALID_HANDLE_VALUE;
|
|---|
| 3207 |
|
|---|
| 3208 | default:
|
|---|
| 3209 | kHlpAssertFailed();
|
|---|
| 3210 | SetLastError(ERROR_INVALID_PARAMETER);
|
|---|
| 3211 | return INVALID_HANDLE_VALUE;
|
|---|
| 3212 | }
|
|---|
| 3213 |
|
|---|
| 3214 | cbFilename = (cwcFilename + 1) * sizeof(wchar_t);
|
|---|
| 3215 | pTempFile = (PKWFSTEMPFILE)kHlpAlloc(sizeof(*pTempFile) + cbFilename);
|
|---|
| 3216 | if (pTempFile)
|
|---|
| 3217 | {
|
|---|
| 3218 | pTempFile->cwcPath = (KU16)cwcFilename;
|
|---|
| 3219 | pTempFile->cbFile = 0;
|
|---|
| 3220 | pTempFile->cbFileAllocated = 0;
|
|---|
| 3221 | pTempFile->cActiveHandles = 0;
|
|---|
| 3222 | pTempFile->cMappings = 0;
|
|---|
| 3223 | pTempFile->cSegs = 0;
|
|---|
| 3224 | pTempFile->paSegs = NULL;
|
|---|
| 3225 | pTempFile->pwszPath = (wchar_t const *)kHlpMemCopy(pTempFile + 1, pwszFilename, cbFilename);
|
|---|
| 3226 |
|
|---|
| 3227 | pTempFile->pNext = g_Sandbox.pTempFileHead;
|
|---|
| 3228 | g_Sandbox.pTempFileHead = pTempFile;
|
|---|
| 3229 | KWFS_LOG(("kwFsTempFileCreateW: Created new temporary file '%ls'\n", pwszFilename));
|
|---|
| 3230 | }
|
|---|
| 3231 | else
|
|---|
| 3232 | {
|
|---|
| 3233 | KWFS_LOG(("kwFsTempFileCreateW: Out of memory!\n"));
|
|---|
| 3234 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 3235 | return INVALID_HANDLE_VALUE;
|
|---|
| 3236 | }
|
|---|
| 3237 | }
|
|---|
| 3238 | else
|
|---|
| 3239 | {
|
|---|
| 3240 | switch (dwCreationDisposition)
|
|---|
| 3241 | {
|
|---|
| 3242 | case OPEN_EXISTING:
|
|---|
| 3243 | dwErr = NO_ERROR;
|
|---|
| 3244 | break;
|
|---|
| 3245 | case OPEN_ALWAYS:
|
|---|
| 3246 | dwErr = ERROR_ALREADY_EXISTS ;
|
|---|
| 3247 | break;
|
|---|
| 3248 |
|
|---|
| 3249 | case TRUNCATE_EXISTING:
|
|---|
| 3250 | case CREATE_ALWAYS:
|
|---|
| 3251 | kHlpAssertFailed();
|
|---|
| 3252 | pTempFile->cbFile = 0;
|
|---|
| 3253 | dwErr = ERROR_ALREADY_EXISTS;
|
|---|
| 3254 | break;
|
|---|
| 3255 |
|
|---|
| 3256 | case CREATE_NEW:
|
|---|
| 3257 | kHlpAssertFailed();
|
|---|
| 3258 | SetLastError(ERROR_FILE_EXISTS);
|
|---|
| 3259 | return INVALID_HANDLE_VALUE;
|
|---|
| 3260 |
|
|---|
| 3261 | default:
|
|---|
| 3262 | kHlpAssertFailed();
|
|---|
| 3263 | SetLastError(ERROR_INVALID_PARAMETER);
|
|---|
| 3264 | return INVALID_HANDLE_VALUE;
|
|---|
| 3265 | }
|
|---|
| 3266 | }
|
|---|
| 3267 |
|
|---|
| 3268 | /*
|
|---|
| 3269 | * Create a handle to the temporary file.
|
|---|
| 3270 | */
|
|---|
| 3271 | hFile = kwFsTempFileCreateHandle(pTempFile, dwDesiredAccess, K_FALSE /*fMapping*/);
|
|---|
| 3272 | if (hFile != INVALID_HANDLE_VALUE)
|
|---|
| 3273 | SetLastError(dwErr);
|
|---|
| 3274 | return hFile;
|
|---|
| 3275 | }
|
|---|
| 3276 |
|
|---|
| 3277 | #endif /* WITH_TEMP_MEMORY_FILES */
|
|---|
| 3278 |
|
|---|
| 3279 |
|
|---|
| 3280 | /**
|
|---|
| 3281 | * Checks if the file extension indicates that the file/dir is something we
|
|---|
| 3282 | * ought to cache.
|
|---|
| 3283 | *
|
|---|
| 3284 | * @returns K_TRUE if cachable, K_FALSE if not.
|
|---|
| 3285 | * @param pszExt The kHlpGetExt result.
|
|---|
| 3286 | * @param fAttrQuery Set if it's for an attribute query, clear if for
|
|---|
| 3287 | * file creation.
|
|---|
| 3288 | */
|
|---|
| 3289 | static KBOOL kwFsIsCachableExtensionA(const char *pszExt, KBOOL fAttrQuery)
|
|---|
| 3290 | {
|
|---|
| 3291 | char const chFirst = *pszExt;
|
|---|
| 3292 |
|
|---|
| 3293 | /* C++ header without an extension or a directory. */
|
|---|
| 3294 | if (chFirst == '\0')
|
|---|
| 3295 | {
|
|---|
| 3296 | /** @todo exclude temporary files... */
|
|---|
| 3297 | return K_TRUE;
|
|---|
| 3298 | }
|
|---|
| 3299 |
|
|---|
| 3300 | /* C Header: .h */
|
|---|
| 3301 | if (chFirst == 'h' || chFirst == 'H')
|
|---|
| 3302 | {
|
|---|
| 3303 | char chThird;
|
|---|
| 3304 | char const chSecond = pszExt[1];
|
|---|
| 3305 | if (chSecond == '\0')
|
|---|
| 3306 | return K_TRUE;
|
|---|
| 3307 | chThird = pszExt[2];
|
|---|
| 3308 |
|
|---|
| 3309 | /* C++ Header: .hpp, .hxx */
|
|---|
| 3310 | if ( (chSecond == 'p' || chSecond == 'P')
|
|---|
| 3311 | && (chThird == 'p' || chThird == 'P')
|
|---|
| 3312 | && pszExt[3] == '\0')
|
|---|
| 3313 | return K_TRUE;
|
|---|
| 3314 | if ( (chSecond == 'x' || chSecond == 'X')
|
|---|
| 3315 | && (chThird == 'x' || chThird == 'X')
|
|---|
| 3316 | && pszExt[3] == '\0')
|
|---|
| 3317 | return K_TRUE;
|
|---|
| 3318 |
|
|---|
| 3319 | }
|
|---|
| 3320 | /* Misc starting with i. */
|
|---|
| 3321 | else if (chFirst == 'i' || chFirst == 'I')
|
|---|
| 3322 | {
|
|---|
| 3323 | char const chSecond = pszExt[1];
|
|---|
| 3324 | if (chSecond != '\0')
|
|---|
| 3325 | {
|
|---|
| 3326 | if (chSecond == 'n' || chSecond == 'N')
|
|---|
| 3327 | {
|
|---|
| 3328 | char const chThird = pszExt[2];
|
|---|
| 3329 |
|
|---|
| 3330 | /* C++ inline header: .inl */
|
|---|
| 3331 | if ( (chThird == 'l' || chThird == 'L')
|
|---|
| 3332 | && pszExt[3] == '\0')
|
|---|
| 3333 | return K_TRUE;
|
|---|
| 3334 |
|
|---|
| 3335 | /* Assembly include file: .inc */
|
|---|
| 3336 | if ( (chThird == 'c' || chThird == 'C')
|
|---|
| 3337 | && pszExt[3] == '\0')
|
|---|
| 3338 | return K_TRUE;
|
|---|
| 3339 | }
|
|---|
| 3340 | }
|
|---|
| 3341 | }
|
|---|
| 3342 | else if (fAttrQuery)
|
|---|
| 3343 | {
|
|---|
| 3344 | /* Dynamic link library: .dll */
|
|---|
| 3345 | if (chFirst == 'd' || chFirst == 'D')
|
|---|
| 3346 | {
|
|---|
| 3347 | char const chSecond = pszExt[1];
|
|---|
| 3348 | if (chSecond == 'l' || chSecond == 'L')
|
|---|
| 3349 | {
|
|---|
| 3350 | char const chThird = pszExt[2];
|
|---|
| 3351 | if (chThird == 'l' || chThird == 'L')
|
|---|
| 3352 | return K_TRUE;
|
|---|
| 3353 | }
|
|---|
| 3354 | }
|
|---|
| 3355 | /* Executable file: .exe */
|
|---|
| 3356 | else if (chFirst == 'e' || chFirst == 'E')
|
|---|
| 3357 | {
|
|---|
| 3358 | char const chSecond = pszExt[1];
|
|---|
| 3359 | if (chSecond == 'x' || chSecond == 'X')
|
|---|
| 3360 | {
|
|---|
| 3361 | char const chThird = pszExt[2];
|
|---|
| 3362 | if (chThird == 'e' || chThird == 'e')
|
|---|
| 3363 | return K_TRUE;
|
|---|
| 3364 | }
|
|---|
| 3365 | }
|
|---|
| 3366 | }
|
|---|
| 3367 |
|
|---|
| 3368 | return K_FALSE;
|
|---|
| 3369 | }
|
|---|
| 3370 |
|
|---|
| 3371 |
|
|---|
| 3372 | /**
|
|---|
| 3373 | * Checks if the extension of the given UTF-16 path indicates that the file/dir
|
|---|
| 3374 | * should be cached.
|
|---|
| 3375 | *
|
|---|
| 3376 | * @returns K_TRUE if cachable, K_FALSE if not.
|
|---|
| 3377 | * @param pwszPath The UTF-16 path to examine.
|
|---|
| 3378 | * @param fAttrQuery Set if it's for an attribute query, clear if for
|
|---|
| 3379 | * file creation.
|
|---|
| 3380 | */
|
|---|
| 3381 | static KBOOL kwFsIsCachablePathExtensionW(const wchar_t *pwszPath, KBOOL fAttrQuery)
|
|---|
| 3382 | {
|
|---|
| 3383 | /*
|
|---|
| 3384 | * Extract the extension, check that it's in the applicable range, roughly
|
|---|
| 3385 | * convert it to ASCII/ANSI, and feed it to kwFsIsCachableExtensionA for
|
|---|
| 3386 | * the actual check. This avoids a lot of code duplication.
|
|---|
| 3387 | */
|
|---|
| 3388 | wchar_t wc;
|
|---|
| 3389 | char szExt[4];
|
|---|
| 3390 | KSIZE cwcExt;
|
|---|
| 3391 | wchar_t const *pwszExt = kwFsPathGetExtW(pwszPath, &cwcExt);
|
|---|
| 3392 | switch (cwcExt)
|
|---|
| 3393 | {
|
|---|
| 3394 | case 3: if ((wchar_t)(szExt[2] = (char)(wc = pwszExt[2])) == wc) { /*likely*/ } else break;
|
|---|
| 3395 | case 2: if ((wchar_t)(szExt[1] = (char)(wc = pwszExt[1])) == wc) { /*likely*/ } else break;
|
|---|
| 3396 | case 1: if ((wchar_t)(szExt[0] = (char)(wc = pwszExt[0])) == wc) { /*likely*/ } else break;
|
|---|
| 3397 | case 0:
|
|---|
| 3398 | szExt[cwcExt] = '\0';
|
|---|
| 3399 | return kwFsIsCachableExtensionA(szExt, fAttrQuery);
|
|---|
| 3400 | }
|
|---|
| 3401 | return K_FALSE;
|
|---|
| 3402 | }
|
|---|
| 3403 |
|
|---|
| 3404 |
|
|---|
| 3405 | static KBOOL kwFsObjCacheFileCommon(PKWFSOBJ pFsObj, HANDLE hFile)
|
|---|
| 3406 | {
|
|---|
| 3407 | LARGE_INTEGER cbFile;
|
|---|
| 3408 | if (GetFileSizeEx(hFile, &cbFile))
|
|---|
| 3409 | {
|
|---|
| 3410 | if ( cbFile.QuadPart >= 0
|
|---|
| 3411 | && cbFile.QuadPart < 16*1024*1024)
|
|---|
| 3412 | {
|
|---|
| 3413 | KU32 cbCache = (KU32)cbFile.QuadPart;
|
|---|
| 3414 | KU8 *pbCache = (KU8 *)kHlpAlloc(cbCache);
|
|---|
| 3415 | if (pbCache)
|
|---|
| 3416 | {
|
|---|
| 3417 | DWORD cbActually = 0;
|
|---|
| 3418 | if ( ReadFile(hFile, pbCache, cbCache, &cbActually, NULL)
|
|---|
| 3419 | && cbActually == cbCache)
|
|---|
| 3420 | {
|
|---|
| 3421 | LARGE_INTEGER offZero;
|
|---|
| 3422 | offZero.QuadPart = 0;
|
|---|
| 3423 | if (SetFilePointerEx(hFile, offZero, NULL /*poffNew*/, FILE_BEGIN))
|
|---|
| 3424 | {
|
|---|
| 3425 | pFsObj->hCached = hFile;
|
|---|
| 3426 | pFsObj->cbCached = cbCache;
|
|---|
| 3427 | pFsObj->pbCached = pbCache;
|
|---|
| 3428 | return K_TRUE;
|
|---|
| 3429 | }
|
|---|
| 3430 |
|
|---|
| 3431 | KWFS_LOG(("Failed to seek to start of cached file! err=%u\n", GetLastError()));
|
|---|
| 3432 | }
|
|---|
| 3433 | else
|
|---|
| 3434 | KWFS_LOG(("Failed to read %#x bytes into cache! err=%u cbActually=%#x\n",
|
|---|
| 3435 | cbCache, GetLastError(), cbActually));
|
|---|
| 3436 | kHlpFree(pbCache);
|
|---|
| 3437 | }
|
|---|
| 3438 | else
|
|---|
| 3439 | KWFS_LOG(("Failed to allocate %#x bytes for cache!\n", cbCache));
|
|---|
| 3440 | }
|
|---|
| 3441 | else
|
|---|
| 3442 | KWFS_LOG(("File to big to cache! %#llx\n", cbFile.QuadPart));
|
|---|
| 3443 | }
|
|---|
| 3444 | else
|
|---|
| 3445 | KWFS_LOG(("File to get file size! err=%u\n", GetLastError()));
|
|---|
| 3446 | CloseHandle(hFile);
|
|---|
| 3447 | return K_FALSE;
|
|---|
| 3448 | }
|
|---|
| 3449 |
|
|---|
| 3450 |
|
|---|
| 3451 | static KBOOL kwFsObjCacheFileA(PKWFSOBJ pFsObj, const char *pszFilename)
|
|---|
| 3452 | {
|
|---|
| 3453 | HANDLE hFile;
|
|---|
| 3454 | kHlpAssert(pFsObj->hCached == INVALID_HANDLE_VALUE);
|
|---|
| 3455 |
|
|---|
| 3456 | hFile = CreateFileA(pszFilename, GENERIC_READ, FILE_SHARE_READ, NULL /*pSecAttrs*/,
|
|---|
| 3457 | FILE_OPEN_IF, FILE_ATTRIBUTE_NORMAL, NULL /*hTemplateFile*/);
|
|---|
| 3458 | if (hFile != INVALID_HANDLE_VALUE)
|
|---|
| 3459 | return kwFsObjCacheFileCommon(pFsObj, hFile);
|
|---|
| 3460 | return K_FALSE;
|
|---|
| 3461 | }
|
|---|
| 3462 |
|
|---|
| 3463 |
|
|---|
| 3464 | static KBOOL kwFsObjCacheFileW(PKWFSOBJ pFsObj, const wchar_t *pwszFilename)
|
|---|
| 3465 | {
|
|---|
| 3466 | HANDLE hFile;
|
|---|
| 3467 | kHlpAssert(pFsObj->hCached == INVALID_HANDLE_VALUE);
|
|---|
| 3468 |
|
|---|
| 3469 | hFile = CreateFileW(pwszFilename, GENERIC_READ, FILE_SHARE_READ, NULL /*pSecAttrs*/,
|
|---|
| 3470 | FILE_OPEN_IF, FILE_ATTRIBUTE_NORMAL, NULL /*hTemplateFile*/);
|
|---|
| 3471 | if (hFile != INVALID_HANDLE_VALUE)
|
|---|
| 3472 | return kwFsObjCacheFileCommon(pFsObj, hFile);
|
|---|
| 3473 | return K_FALSE;
|
|---|
| 3474 | }
|
|---|
| 3475 |
|
|---|
| 3476 |
|
|---|
| 3477 | /** Kernel32 - Common code for CreateFileW and CreateFileA. */
|
|---|
| 3478 | static KBOOL kwFsObjCacheCreateFile(PKWFSOBJ pFsObj, DWORD dwDesiredAccess, BOOL fInheritHandle,
|
|---|
| 3479 | const char *pszFilename, const wchar_t *pwszFilename, HANDLE *phFile)
|
|---|
| 3480 | {
|
|---|
| 3481 | *phFile = INVALID_HANDLE_VALUE;
|
|---|
| 3482 |
|
|---|
| 3483 | /*
|
|---|
| 3484 | * At the moment we only handle existing files.
|
|---|
| 3485 | */
|
|---|
| 3486 | if (!(pFsObj->fAttribs & (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_DEVICE))) /* also checks invalid */
|
|---|
| 3487 | {
|
|---|
| 3488 | if ( pFsObj->hCached != INVALID_HANDLE_VALUE
|
|---|
| 3489 | || (pwszFilename != NULL && kwFsObjCacheFileW(pFsObj, pwszFilename))
|
|---|
| 3490 | || (pszFilename != NULL && kwFsObjCacheFileA(pFsObj, pszFilename)) )
|
|---|
| 3491 | {
|
|---|
| 3492 | HANDLE hProcSelf = GetCurrentProcess();
|
|---|
| 3493 | if (DuplicateHandle(hProcSelf, pFsObj->hCached,
|
|---|
| 3494 | hProcSelf, phFile,
|
|---|
| 3495 | dwDesiredAccess, fInheritHandle,
|
|---|
| 3496 | 0 /*dwOptions*/))
|
|---|
| 3497 | {
|
|---|
| 3498 | /*
|
|---|
| 3499 | * Create handle table entry for the duplicate handle.
|
|---|
| 3500 | */
|
|---|
| 3501 | PKWHANDLE pHandle = (PKWHANDLE)kHlpAlloc(sizeof(*pHandle));
|
|---|
| 3502 | if (pHandle)
|
|---|
| 3503 | {
|
|---|
| 3504 | pHandle->enmType = KWHANDLETYPE_FSOBJ_READ_CACHE;
|
|---|
| 3505 | pHandle->offFile = 0;
|
|---|
| 3506 | pHandle->hHandle = *phFile;
|
|---|
| 3507 | pHandle->dwDesiredAccess = dwDesiredAccess;
|
|---|
| 3508 | pHandle->u.pFsObj = pFsObj;
|
|---|
| 3509 | if (kwSandboxHandleTableEnter(&g_Sandbox, pHandle))
|
|---|
| 3510 | return K_TRUE;
|
|---|
| 3511 |
|
|---|
| 3512 | kHlpFree(pHandle);
|
|---|
| 3513 | }
|
|---|
| 3514 | else
|
|---|
| 3515 | KWFS_LOG(("Out of memory for handle!\n"));
|
|---|
| 3516 |
|
|---|
| 3517 | CloseHandle(*phFile);
|
|---|
| 3518 | *phFile = INVALID_HANDLE_VALUE;
|
|---|
| 3519 | }
|
|---|
| 3520 | else
|
|---|
| 3521 | KWFS_LOG(("DuplicateHandle failed! err=%u\n", GetLastError()));
|
|---|
| 3522 | }
|
|---|
| 3523 | }
|
|---|
| 3524 | /** @todo Deal with non-existing files if it becomes necessary (it's not for VS2010). */
|
|---|
| 3525 |
|
|---|
| 3526 | /* Do fallback, please. */
|
|---|
| 3527 | return K_FALSE;
|
|---|
| 3528 | }
|
|---|
| 3529 |
|
|---|
| 3530 |
|
|---|
| 3531 | /** Kernel32 - CreateFileA */
|
|---|
| 3532 | static HANDLE WINAPI kwSandbox_Kernel32_CreateFileA(LPCSTR pszFilename, DWORD dwDesiredAccess, DWORD dwShareMode,
|
|---|
| 3533 | LPSECURITY_ATTRIBUTES pSecAttrs, DWORD dwCreationDisposition,
|
|---|
| 3534 | DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
|
|---|
| 3535 | {
|
|---|
| 3536 | HANDLE hFile;
|
|---|
| 3537 | if (dwCreationDisposition == FILE_OPEN_IF)
|
|---|
| 3538 | {
|
|---|
| 3539 | if ( dwDesiredAccess == GENERIC_READ
|
|---|
| 3540 | || dwDesiredAccess == FILE_GENERIC_READ)
|
|---|
| 3541 | {
|
|---|
| 3542 | if (dwShareMode & FILE_SHARE_READ)
|
|---|
| 3543 | {
|
|---|
| 3544 | if ( !pSecAttrs
|
|---|
| 3545 | || ( pSecAttrs->nLength == sizeof(*pSecAttrs)
|
|---|
| 3546 | && pSecAttrs->lpSecurityDescriptor == NULL ) )
|
|---|
| 3547 | {
|
|---|
| 3548 | const char *pszExt = kHlpGetExt(pszFilename);
|
|---|
| 3549 | if (kwFsIsCachableExtensionA(pszExt, K_FALSE /*fAttrQuery*/))
|
|---|
| 3550 | {
|
|---|
| 3551 | PKWFSOBJ pFsObj = kwFsLookupA(pszFilename);
|
|---|
| 3552 | if (pFsObj)
|
|---|
| 3553 | {
|
|---|
| 3554 | if (kwFsObjCacheCreateFile(pFsObj, dwDesiredAccess, pSecAttrs && pSecAttrs->bInheritHandle,
|
|---|
| 3555 | pszFilename, NULL /*pwszFilename*/, &hFile))
|
|---|
| 3556 | {
|
|---|
| 3557 | KWFS_LOG(("CreateFileA(%s) -> %p [cached]\n", pszFilename, hFile));
|
|---|
| 3558 | return hFile;
|
|---|
| 3559 | }
|
|---|
| 3560 | }
|
|---|
| 3561 |
|
|---|
| 3562 | /* fallback */
|
|---|
| 3563 | hFile = CreateFileA(pszFilename, dwDesiredAccess, dwShareMode, pSecAttrs,
|
|---|
| 3564 | dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
|
|---|
| 3565 | KWFS_LOG(("CreateFileA(%s) -> %p (err=%u) [fallback]\n", pszFilename, hFile, GetLastError()));
|
|---|
| 3566 | return hFile;
|
|---|
| 3567 | }
|
|---|
| 3568 | }
|
|---|
| 3569 | }
|
|---|
| 3570 | }
|
|---|
| 3571 | }
|
|---|
| 3572 |
|
|---|
| 3573 | hFile = CreateFileA(pszFilename, dwDesiredAccess, dwShareMode, pSecAttrs,
|
|---|
| 3574 | dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
|
|---|
| 3575 | KWFS_LOG(("CreateFileA(%s) -> %p\n", pszFilename, hFile));
|
|---|
| 3576 | return hFile;
|
|---|
| 3577 | }
|
|---|
| 3578 |
|
|---|
| 3579 |
|
|---|
| 3580 | /** Kernel32 - CreateFileW */
|
|---|
| 3581 | static HANDLE WINAPI kwSandbox_Kernel32_CreateFileW(LPCWSTR pwszFilename, DWORD dwDesiredAccess, DWORD dwShareMode,
|
|---|
| 3582 | LPSECURITY_ATTRIBUTES pSecAttrs, DWORD dwCreationDisposition,
|
|---|
| 3583 | DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
|
|---|
| 3584 | {
|
|---|
| 3585 | HANDLE hFile;
|
|---|
| 3586 |
|
|---|
| 3587 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 3588 | /* First check for temporary files (cl.exe only). */
|
|---|
| 3589 | if ( g_Sandbox.pTool->u.Sandboxed.enmHint == KWTOOLHINT_VISUAL_CPP_CL
|
|---|
| 3590 | && !(dwFlagsAndAttributes & (FILE_ATTRIBUTE_DIRECTORY | FILE_ATTRIBUTE_DEVICE | FILE_FLAG_BACKUP_SEMANTICS))
|
|---|
| 3591 | && !(dwDesiredAccess & (GENERIC_EXECUTE | FILE_EXECUTE))
|
|---|
| 3592 | && kwFsIsClTempFileW(pwszFilename))
|
|---|
| 3593 | {
|
|---|
| 3594 | hFile = kwFsTempFileCreateW(pwszFilename, dwDesiredAccess, dwCreationDisposition);
|
|---|
| 3595 | KWFS_LOG(("CreateFileW(%ls) -> %p [temp]\n", pwszFilename, hFile));
|
|---|
| 3596 | return hFile;
|
|---|
| 3597 | }
|
|---|
| 3598 | #endif
|
|---|
| 3599 |
|
|---|
| 3600 | /* Then check for include files and similar. */
|
|---|
| 3601 | if (dwCreationDisposition == FILE_OPEN_IF)
|
|---|
| 3602 | {
|
|---|
| 3603 | if ( dwDesiredAccess == GENERIC_READ
|
|---|
| 3604 | || dwDesiredAccess == FILE_GENERIC_READ)
|
|---|
| 3605 | {
|
|---|
| 3606 | if (dwShareMode & FILE_SHARE_READ)
|
|---|
| 3607 | {
|
|---|
| 3608 | if ( !pSecAttrs
|
|---|
| 3609 | || ( pSecAttrs->nLength == sizeof(*pSecAttrs)
|
|---|
| 3610 | && pSecAttrs->lpSecurityDescriptor == NULL ) )
|
|---|
| 3611 | {
|
|---|
| 3612 | if (kwFsIsCachablePathExtensionW(pwszFilename, K_FALSE /*fAttrQuery*/))
|
|---|
| 3613 | {
|
|---|
| 3614 | /** @todo rewrite to pure UTF-16. */
|
|---|
| 3615 | char szTmp[2048];
|
|---|
| 3616 | KSIZE cch = kwUtf16ToStr(pwszFilename, szTmp, sizeof(szTmp));
|
|---|
| 3617 | if (cch < sizeof(szTmp))
|
|---|
| 3618 | return kwSandbox_Kernel32_CreateFileA(szTmp, dwDesiredAccess, dwShareMode, pSecAttrs,
|
|---|
| 3619 | dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
|
|---|
| 3620 | }
|
|---|
| 3621 | }
|
|---|
| 3622 | else
|
|---|
| 3623 | KWFS_LOG(("CreateFileW: incompatible security attributes (nLength=%#x pDesc=%p)\n",
|
|---|
| 3624 | pSecAttrs->nLength, pSecAttrs->lpSecurityDescriptor));
|
|---|
| 3625 | }
|
|---|
| 3626 | else
|
|---|
| 3627 | KWFS_LOG(("CreateFileW: incompatible sharing mode %#x\n", dwShareMode));
|
|---|
| 3628 | }
|
|---|
| 3629 | else
|
|---|
| 3630 | KWFS_LOG(("CreateFileW: incompatible desired access %#x\n", dwDesiredAccess));
|
|---|
| 3631 | }
|
|---|
| 3632 | else
|
|---|
| 3633 | KWFS_LOG(("CreateFileW: incompatible disposition %u\n", dwCreationDisposition));
|
|---|
| 3634 | hFile = CreateFileW(pwszFilename, dwDesiredAccess, dwShareMode, pSecAttrs,
|
|---|
| 3635 | dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
|
|---|
| 3636 | KWFS_LOG(("CreateFileW(%ls) -> %p\n", pwszFilename, hFile));
|
|---|
| 3637 | return hFile;
|
|---|
| 3638 | }
|
|---|
| 3639 |
|
|---|
| 3640 |
|
|---|
| 3641 | /** Kernel32 - SetFilePointer */
|
|---|
| 3642 | static DWORD WINAPI kwSandbox_Kernel32_SetFilePointer(HANDLE hFile, LONG cbMove, PLONG pcbMoveHi, DWORD dwMoveMethod)
|
|---|
| 3643 | {
|
|---|
| 3644 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 3645 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 3646 | {
|
|---|
| 3647 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 3648 | if (pHandle != NULL)
|
|---|
| 3649 | {
|
|---|
| 3650 | KU32 cbFile;
|
|---|
| 3651 | KI64 offMove = pcbMoveHi ? ((KI64)*pcbMoveHi << 32) | cbMove : cbMove;
|
|---|
| 3652 | switch (pHandle->enmType)
|
|---|
| 3653 | {
|
|---|
| 3654 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 3655 | cbFile = pHandle->u.pFsObj->cbCached;
|
|---|
| 3656 | break;
|
|---|
| 3657 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 3658 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 3659 | cbFile = pHandle->u.pTempFile->cbFile;
|
|---|
| 3660 | break;
|
|---|
| 3661 | case KWHANDLETYPE_TEMP_FILE_MAPPING:
|
|---|
| 3662 | #endif
|
|---|
| 3663 | default:
|
|---|
| 3664 | kHlpAssertFailed();
|
|---|
| 3665 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 3666 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3667 | }
|
|---|
| 3668 |
|
|---|
| 3669 | switch (dwMoveMethod)
|
|---|
| 3670 | {
|
|---|
| 3671 | case FILE_BEGIN:
|
|---|
| 3672 | break;
|
|---|
| 3673 | case FILE_CURRENT:
|
|---|
| 3674 | offMove += pHandle->offFile;
|
|---|
| 3675 | break;
|
|---|
| 3676 | case FILE_END:
|
|---|
| 3677 | offMove += cbFile;
|
|---|
| 3678 | break;
|
|---|
| 3679 | default:
|
|---|
| 3680 | KWFS_LOG(("SetFilePointer(%p) - invalid seek method %u! [cached]\n", hFile));
|
|---|
| 3681 | SetLastError(ERROR_INVALID_PARAMETER);
|
|---|
| 3682 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3683 | }
|
|---|
| 3684 | if (offMove >= 0)
|
|---|
| 3685 | {
|
|---|
| 3686 | if (offMove >= (KSSIZE)cbFile)
|
|---|
| 3687 | {
|
|---|
| 3688 | /* For read-only files, seeking beyond the end isn't useful to us, so clamp it. */
|
|---|
| 3689 | if (pHandle->enmType != KWHANDLETYPE_TEMP_FILE)
|
|---|
| 3690 | offMove = (KSSIZE)cbFile;
|
|---|
| 3691 | /* For writable files, seeking beyond the end is fine, but check that we've got
|
|---|
| 3692 | the type range for the request. */
|
|---|
| 3693 | else if (((KU64)offMove & KU32_MAX) != (KU64)offMove)
|
|---|
| 3694 | {
|
|---|
| 3695 | kHlpAssertMsgFailed(("%#llx\n", offMove));
|
|---|
| 3696 | SetLastError(ERROR_SEEK);
|
|---|
| 3697 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3698 | }
|
|---|
| 3699 | }
|
|---|
| 3700 | pHandle->offFile = (KU32)offMove;
|
|---|
| 3701 | }
|
|---|
| 3702 | else
|
|---|
| 3703 | {
|
|---|
| 3704 | KWFS_LOG(("SetFilePointer(%p) - negative seek! [cached]\n", hFile));
|
|---|
| 3705 | SetLastError(ERROR_NEGATIVE_SEEK);
|
|---|
| 3706 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3707 | }
|
|---|
| 3708 | if (pcbMoveHi)
|
|---|
| 3709 | *pcbMoveHi = (KU64)offMove >> 32;
|
|---|
| 3710 | KWFS_LOG(("SetFilePointer(%p) -> %#llx [cached]\n", hFile, offMove));
|
|---|
| 3711 | SetLastError(NO_ERROR);
|
|---|
| 3712 | return (KU32)offMove;
|
|---|
| 3713 | }
|
|---|
| 3714 | }
|
|---|
| 3715 | KWFS_LOG(("SetFilePointer(%p)\n", hFile));
|
|---|
| 3716 | return SetFilePointer(hFile, cbMove, pcbMoveHi, dwMoveMethod);
|
|---|
| 3717 | }
|
|---|
| 3718 |
|
|---|
| 3719 |
|
|---|
| 3720 | /** Kernel32 - SetFilePointerEx */
|
|---|
| 3721 | static BOOL WINAPI kwSandbox_Kernel32_SetFilePointerEx(HANDLE hFile, LARGE_INTEGER offMove, PLARGE_INTEGER poffNew,
|
|---|
| 3722 | DWORD dwMoveMethod)
|
|---|
| 3723 | {
|
|---|
| 3724 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 3725 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 3726 | {
|
|---|
| 3727 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 3728 | if (pHandle != NULL)
|
|---|
| 3729 | {
|
|---|
| 3730 | KI64 offMyMove = offMove.QuadPart;
|
|---|
| 3731 | KU32 cbFile;
|
|---|
| 3732 | switch (pHandle->enmType)
|
|---|
| 3733 | {
|
|---|
| 3734 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 3735 | cbFile = pHandle->u.pFsObj->cbCached;
|
|---|
| 3736 | break;
|
|---|
| 3737 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 3738 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 3739 | cbFile = pHandle->u.pTempFile->cbFile;
|
|---|
| 3740 | break;
|
|---|
| 3741 | case KWHANDLETYPE_TEMP_FILE_MAPPING:
|
|---|
| 3742 | #endif
|
|---|
| 3743 | default:
|
|---|
| 3744 | kHlpAssertFailed();
|
|---|
| 3745 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 3746 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3747 | }
|
|---|
| 3748 |
|
|---|
| 3749 | switch (dwMoveMethod)
|
|---|
| 3750 | {
|
|---|
| 3751 | case FILE_BEGIN:
|
|---|
| 3752 | break;
|
|---|
| 3753 | case FILE_CURRENT:
|
|---|
| 3754 | offMyMove += pHandle->offFile;
|
|---|
| 3755 | break;
|
|---|
| 3756 | case FILE_END:
|
|---|
| 3757 | offMyMove += cbFile;
|
|---|
| 3758 | break;
|
|---|
| 3759 | default:
|
|---|
| 3760 | KWFS_LOG(("SetFilePointer(%p) - invalid seek method %u! [cached]\n", hFile));
|
|---|
| 3761 | SetLastError(ERROR_INVALID_PARAMETER);
|
|---|
| 3762 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3763 | }
|
|---|
| 3764 | if (offMyMove >= 0)
|
|---|
| 3765 | {
|
|---|
| 3766 | if (offMyMove >= (KSSIZE)cbFile)
|
|---|
| 3767 | {
|
|---|
| 3768 | /* For read-only files, seeking beyond the end isn't useful to us, so clamp it. */
|
|---|
| 3769 | if (pHandle->enmType != KWHANDLETYPE_TEMP_FILE)
|
|---|
| 3770 | offMyMove = (KSSIZE)cbFile;
|
|---|
| 3771 | /* For writable files, seeking beyond the end is fine, but check that we've got
|
|---|
| 3772 | the type range for the request. */
|
|---|
| 3773 | else if (((KU64)offMyMove & KU32_MAX) != (KU64)offMyMove)
|
|---|
| 3774 | {
|
|---|
| 3775 | kHlpAssertMsgFailed(("%#llx\n", offMyMove));
|
|---|
| 3776 | SetLastError(ERROR_SEEK);
|
|---|
| 3777 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3778 | }
|
|---|
| 3779 | }
|
|---|
| 3780 | pHandle->offFile = (KU32)offMyMove;
|
|---|
| 3781 | }
|
|---|
| 3782 | else
|
|---|
| 3783 | {
|
|---|
| 3784 | KWFS_LOG(("SetFilePointerEx(%p) - negative seek! [cached]\n", hFile));
|
|---|
| 3785 | SetLastError(ERROR_NEGATIVE_SEEK);
|
|---|
| 3786 | return INVALID_SET_FILE_POINTER;
|
|---|
| 3787 | }
|
|---|
| 3788 | if (poffNew)
|
|---|
| 3789 | poffNew->QuadPart = offMyMove;
|
|---|
| 3790 | KWFS_LOG(("SetFilePointerEx(%p) -> TRUE, %#llx [cached]\n", hFile, offMyMove));
|
|---|
| 3791 | return TRUE;
|
|---|
| 3792 | }
|
|---|
| 3793 | }
|
|---|
| 3794 | KWFS_LOG(("SetFilePointerEx(%p)\n", hFile));
|
|---|
| 3795 | return SetFilePointerEx(hFile, offMove, poffNew, dwMoveMethod);
|
|---|
| 3796 | }
|
|---|
| 3797 |
|
|---|
| 3798 |
|
|---|
| 3799 | /** Kernel32 - ReadFile */
|
|---|
| 3800 | static BOOL WINAPI kwSandbox_Kernel32_ReadFile(HANDLE hFile, LPVOID pvBuffer, DWORD cbToRead, LPDWORD pcbActuallyRead,
|
|---|
| 3801 | LPOVERLAPPED pOverlapped)
|
|---|
| 3802 | {
|
|---|
| 3803 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 3804 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 3805 | {
|
|---|
| 3806 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 3807 | if (pHandle != NULL)
|
|---|
| 3808 | {
|
|---|
| 3809 | switch (pHandle->enmType)
|
|---|
| 3810 | {
|
|---|
| 3811 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 3812 | {
|
|---|
| 3813 | PKWFSOBJ pFsObj = pHandle->u.pFsObj;
|
|---|
| 3814 | KU32 cbActually = pFsObj->cbCached - pHandle->offFile;
|
|---|
| 3815 | if (cbActually > cbToRead)
|
|---|
| 3816 | cbActually = cbToRead;
|
|---|
| 3817 | else if (cbActually < cbToRead)
|
|---|
| 3818 | ((KU8 *)pvBuffer)[cbActually] = '\0'; // hack hack hack
|
|---|
| 3819 |
|
|---|
| 3820 | kHlpMemCopy(pvBuffer, &pFsObj->pbCached[pHandle->offFile], cbActually);
|
|---|
| 3821 | pHandle->offFile += cbActually;
|
|---|
| 3822 |
|
|---|
| 3823 | kHlpAssert(!pOverlapped); kHlpAssert(pcbActuallyRead);
|
|---|
| 3824 | *pcbActuallyRead = cbActually;
|
|---|
| 3825 |
|
|---|
| 3826 | KWFS_LOG(("ReadFile(%p,,%#x) -> TRUE, %#x bytes [cached]\n", hFile, cbToRead, cbActually));
|
|---|
| 3827 | return TRUE;
|
|---|
| 3828 | }
|
|---|
| 3829 |
|
|---|
| 3830 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 3831 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 3832 | {
|
|---|
| 3833 | PKWFSTEMPFILE pTempFile = pHandle->u.pTempFile;
|
|---|
| 3834 | KU32 cbActually;
|
|---|
| 3835 | if (pHandle->offFile < pTempFile->cbFile)
|
|---|
| 3836 | {
|
|---|
| 3837 | cbActually = pTempFile->cbFile - pHandle->offFile;
|
|---|
| 3838 | if (cbActually > cbToRead)
|
|---|
| 3839 | cbActually = cbToRead;
|
|---|
| 3840 |
|
|---|
| 3841 | /* Copy the data. */
|
|---|
| 3842 | if (cbActually > 0)
|
|---|
| 3843 | {
|
|---|
| 3844 | KU32 cbLeft;
|
|---|
| 3845 | KU32 offSeg;
|
|---|
| 3846 | KWFSTEMPFILESEG const *paSegs = pTempFile->paSegs;
|
|---|
| 3847 |
|
|---|
| 3848 | /* Locate the segment containing the byte at offFile. */
|
|---|
| 3849 | KU32 iSeg = pTempFile->cSegs - 1;
|
|---|
| 3850 | kHlpAssert(pTempFile->cSegs > 0);
|
|---|
| 3851 | while (paSegs[iSeg].offData > pHandle->offFile)
|
|---|
| 3852 | iSeg--;
|
|---|
| 3853 |
|
|---|
| 3854 | /* Copy out the data. */
|
|---|
| 3855 | cbLeft = cbActually;
|
|---|
| 3856 | offSeg = (pHandle->offFile - paSegs[iSeg].offData);
|
|---|
| 3857 | for (;;)
|
|---|
| 3858 | {
|
|---|
| 3859 | KU32 cbAvail = paSegs[iSeg].cbDataAlloc - offSeg;
|
|---|
| 3860 | if (cbAvail >= cbLeft)
|
|---|
| 3861 | {
|
|---|
| 3862 | kHlpMemCopy(pvBuffer, &paSegs[iSeg].pbData[offSeg], cbLeft);
|
|---|
| 3863 | break;
|
|---|
| 3864 | }
|
|---|
| 3865 |
|
|---|
| 3866 | pvBuffer = kHlpMemPCopy(pvBuffer, &paSegs[iSeg].pbData[offSeg], cbAvail);
|
|---|
| 3867 | cbLeft -= cbAvail;
|
|---|
| 3868 | offSeg = 0;
|
|---|
| 3869 | iSeg++;
|
|---|
| 3870 | kHlpAssert(iSeg < pTempFile->cSegs);
|
|---|
| 3871 | }
|
|---|
| 3872 |
|
|---|
| 3873 | /* Update the file offset. */
|
|---|
| 3874 | pHandle->offFile += cbActually;
|
|---|
| 3875 | }
|
|---|
| 3876 | }
|
|---|
| 3877 | /* Read does not commit file space, so return zero bytes. */
|
|---|
| 3878 | else
|
|---|
| 3879 | cbActually = 0;
|
|---|
| 3880 |
|
|---|
| 3881 | kHlpAssert(!pOverlapped); kHlpAssert(pcbActuallyRead);
|
|---|
| 3882 | *pcbActuallyRead = cbActually;
|
|---|
| 3883 |
|
|---|
| 3884 | KWFS_LOG(("ReadFile(%p,,%#x) -> TRUE, %#x bytes [temp]\n", hFile, cbToRead, (KU32)cbActually));
|
|---|
| 3885 | return TRUE;
|
|---|
| 3886 | }
|
|---|
| 3887 |
|
|---|
| 3888 | case KWHANDLETYPE_TEMP_FILE_MAPPING:
|
|---|
| 3889 | #endif /* WITH_TEMP_MEMORY_FILES */
|
|---|
| 3890 | default:
|
|---|
| 3891 | kHlpAssertFailed();
|
|---|
| 3892 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 3893 | *pcbActuallyRead = 0;
|
|---|
| 3894 | return FALSE;
|
|---|
| 3895 | }
|
|---|
| 3896 | }
|
|---|
| 3897 | }
|
|---|
| 3898 |
|
|---|
| 3899 | KWFS_LOG(("ReadFile(%p)\n", hFile));
|
|---|
| 3900 | return ReadFile(hFile, pvBuffer, cbToRead, pcbActuallyRead, pOverlapped);
|
|---|
| 3901 | }
|
|---|
| 3902 |
|
|---|
| 3903 |
|
|---|
| 3904 | /** Kernel32 - ReadFileEx */
|
|---|
| 3905 | static BOOL WINAPI kwSandbox_Kernel32_ReadFileEx(HANDLE hFile, LPVOID pvBuffer, DWORD cbToRead, LPOVERLAPPED pOverlapped,
|
|---|
| 3906 | LPOVERLAPPED_COMPLETION_ROUTINE pfnCompletionRoutine)
|
|---|
| 3907 | {
|
|---|
| 3908 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 3909 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 3910 | {
|
|---|
| 3911 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 3912 | if (pHandle != NULL)
|
|---|
| 3913 | {
|
|---|
| 3914 | kHlpAssertFailed();
|
|---|
| 3915 | }
|
|---|
| 3916 | }
|
|---|
| 3917 |
|
|---|
| 3918 | KWFS_LOG(("ReadFile(%p)\n", hFile));
|
|---|
| 3919 | return ReadFileEx(hFile, pvBuffer, cbToRead, pOverlapped, pfnCompletionRoutine);
|
|---|
| 3920 | }
|
|---|
| 3921 |
|
|---|
| 3922 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 3923 |
|
|---|
| 3924 | static KBOOL kwFsTempFileEnsureSpace(PKWFSTEMPFILE pTempFile, KU32 offFile, KU32 cbNeeded)
|
|---|
| 3925 | {
|
|---|
| 3926 | KU32 cbMinFile = offFile + cbNeeded;
|
|---|
| 3927 | if (cbMinFile >= offFile)
|
|---|
| 3928 | {
|
|---|
| 3929 | /* Calc how much space we've already allocated and */
|
|---|
| 3930 | if (cbMinFile <= pTempFile->cbFileAllocated)
|
|---|
| 3931 | return K_TRUE;
|
|---|
| 3932 |
|
|---|
| 3933 | /* Grow the file. */
|
|---|
| 3934 | if (cbMinFile <= KWFS_TEMP_FILE_MAX)
|
|---|
| 3935 | {
|
|---|
| 3936 | int rc;
|
|---|
| 3937 | KU32 cSegs = pTempFile->cSegs;
|
|---|
| 3938 | KU32 cbNewSeg = cbMinFile > 4*1024*1024 ? 256*1024 : 4*1024*1024;
|
|---|
| 3939 | do
|
|---|
| 3940 | {
|
|---|
| 3941 | /* grow the segment array? */
|
|---|
| 3942 | if ((cSegs % 16) == 0)
|
|---|
| 3943 | {
|
|---|
| 3944 | void *pvNew = kHlpRealloc(pTempFile->paSegs, (cSegs + 16) * sizeof(pTempFile->paSegs[0]));
|
|---|
| 3945 | if (!pvNew)
|
|---|
| 3946 | return K_FALSE;
|
|---|
| 3947 | pTempFile->paSegs = (PKWFSTEMPFILESEG)pvNew;
|
|---|
| 3948 | }
|
|---|
| 3949 |
|
|---|
| 3950 | /* Use page alloc here to simplify mapping later. */
|
|---|
| 3951 | rc = kHlpPageAlloc((void **)&pTempFile->paSegs[cSegs].pbData, cbNewSeg, KPROT_READWRITE, K_FALSE);
|
|---|
| 3952 | if (rc == 0)
|
|---|
| 3953 | { /* likely */ }
|
|---|
| 3954 | else
|
|---|
| 3955 | {
|
|---|
| 3956 | cbNewSeg = 64*1024*1024;
|
|---|
| 3957 | rc = kHlpPageAlloc((void **)&pTempFile->paSegs[cSegs].pbData, cbNewSeg, KPROT_READWRITE, K_FALSE);
|
|---|
| 3958 | if (rc != 0)
|
|---|
| 3959 | return K_FALSE;
|
|---|
| 3960 | }
|
|---|
| 3961 | pTempFile->paSegs[cSegs].offData = pTempFile->cbFileAllocated;
|
|---|
| 3962 | pTempFile->paSegs[cSegs].cbDataAlloc = cbNewSeg;
|
|---|
| 3963 | pTempFile->cbFileAllocated += cbNewSeg;
|
|---|
| 3964 | pTempFile->cSegs = ++cSegs;
|
|---|
| 3965 |
|
|---|
| 3966 | } while (pTempFile->cbFileAllocated < cbMinFile);
|
|---|
| 3967 |
|
|---|
| 3968 | return K_TRUE;
|
|---|
| 3969 | }
|
|---|
| 3970 | }
|
|---|
| 3971 |
|
|---|
| 3972 | kHlpAssertMsgFailed(("Out of bounds offFile=%#x + cbNeeded=%#x = %#x\n", offFile, cbNeeded, offFile + cbNeeded));
|
|---|
| 3973 | return K_FALSE;
|
|---|
| 3974 | }
|
|---|
| 3975 |
|
|---|
| 3976 |
|
|---|
| 3977 | /** Kernel32 - WriteFile */
|
|---|
| 3978 | static BOOL WINAPI kwSandbox_Kernel32_WriteFile(HANDLE hFile, LPCVOID pvBuffer, DWORD cbToWrite, LPDWORD pcbActuallyWritten,
|
|---|
| 3979 | LPOVERLAPPED pOverlapped)
|
|---|
| 3980 | {
|
|---|
| 3981 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 3982 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 3983 | {
|
|---|
| 3984 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 3985 | if (pHandle != NULL)
|
|---|
| 3986 | {
|
|---|
| 3987 | switch (pHandle->enmType)
|
|---|
| 3988 | {
|
|---|
| 3989 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 3990 | {
|
|---|
| 3991 | PKWFSTEMPFILE pTempFile = pHandle->u.pTempFile;
|
|---|
| 3992 |
|
|---|
| 3993 | kHlpAssert(!pOverlapped);
|
|---|
| 3994 | kHlpAssert(pcbActuallyWritten);
|
|---|
| 3995 |
|
|---|
| 3996 | if (kwFsTempFileEnsureSpace(pTempFile, pHandle->offFile, cbToWrite))
|
|---|
| 3997 | {
|
|---|
| 3998 | KU32 cbLeft;
|
|---|
| 3999 | KU32 offSeg;
|
|---|
| 4000 |
|
|---|
| 4001 | /* Locate the segment containing the byte at offFile. */
|
|---|
| 4002 | KWFSTEMPFILESEG const *paSegs = pTempFile->paSegs;
|
|---|
| 4003 | KU32 iSeg = pTempFile->cSegs - 1;
|
|---|
| 4004 | kHlpAssert(pTempFile->cSegs > 0);
|
|---|
| 4005 | while (paSegs[iSeg].offData > pHandle->offFile)
|
|---|
| 4006 | iSeg--;
|
|---|
| 4007 |
|
|---|
| 4008 | /* Copy in the data. */
|
|---|
| 4009 | cbLeft = cbToWrite;
|
|---|
| 4010 | offSeg = (pHandle->offFile - paSegs[iSeg].offData);
|
|---|
| 4011 | for (;;)
|
|---|
| 4012 | {
|
|---|
| 4013 | KU32 cbAvail = paSegs[iSeg].cbDataAlloc - offSeg;
|
|---|
| 4014 | if (cbAvail >= cbLeft)
|
|---|
| 4015 | {
|
|---|
| 4016 | kHlpMemCopy(&paSegs[iSeg].pbData[offSeg], pvBuffer, cbLeft);
|
|---|
| 4017 | break;
|
|---|
| 4018 | }
|
|---|
| 4019 |
|
|---|
| 4020 | kHlpMemCopy(&paSegs[iSeg].pbData[offSeg], pvBuffer, cbAvail);
|
|---|
| 4021 | pvBuffer = (KU8 const *)pvBuffer + cbAvail;
|
|---|
| 4022 | cbLeft -= cbAvail;
|
|---|
| 4023 | offSeg = 0;
|
|---|
| 4024 | iSeg++;
|
|---|
| 4025 | kHlpAssert(iSeg < pTempFile->cSegs);
|
|---|
| 4026 | }
|
|---|
| 4027 |
|
|---|
| 4028 | /* Update the file offset. */
|
|---|
| 4029 | pHandle->offFile += cbToWrite;
|
|---|
| 4030 | if (pHandle->offFile > pTempFile->cbFile)
|
|---|
| 4031 | pTempFile->cbFile = pHandle->offFile;
|
|---|
| 4032 |
|
|---|
| 4033 | *pcbActuallyWritten = cbToWrite;
|
|---|
| 4034 | KWFS_LOG(("WriteFile(%p,,%#x) -> TRUE [temp]\n", hFile, cbToWrite));
|
|---|
| 4035 | return TRUE;
|
|---|
| 4036 | }
|
|---|
| 4037 |
|
|---|
| 4038 | *pcbActuallyWritten = 0;
|
|---|
| 4039 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 4040 | return FALSE;
|
|---|
| 4041 | }
|
|---|
| 4042 |
|
|---|
| 4043 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 4044 | kHlpAssertFailed();
|
|---|
| 4045 | SetLastError(ERROR_ACCESS_DENIED);
|
|---|
| 4046 | *pcbActuallyWritten = 0;
|
|---|
| 4047 | return FALSE;
|
|---|
| 4048 |
|
|---|
| 4049 | default:
|
|---|
| 4050 | case KWHANDLETYPE_TEMP_FILE_MAPPING:
|
|---|
| 4051 | kHlpAssertFailed();
|
|---|
| 4052 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 4053 | *pcbActuallyWritten = 0;
|
|---|
| 4054 | return FALSE;
|
|---|
| 4055 | }
|
|---|
| 4056 | }
|
|---|
| 4057 | }
|
|---|
| 4058 |
|
|---|
| 4059 | KWFS_LOG(("WriteFile(%p)\n", hFile));
|
|---|
| 4060 | return WriteFile(hFile, pvBuffer, cbToWrite, pcbActuallyWritten, pOverlapped);
|
|---|
| 4061 | }
|
|---|
| 4062 |
|
|---|
| 4063 |
|
|---|
| 4064 | /** Kernel32 - WriteFileEx */
|
|---|
| 4065 | static BOOL WINAPI kwSandbox_Kernel32_WriteFileEx(HANDLE hFile, LPCVOID pvBuffer, DWORD cbToWrite, LPOVERLAPPED pOverlapped,
|
|---|
| 4066 | LPOVERLAPPED_COMPLETION_ROUTINE pfnCompletionRoutine)
|
|---|
| 4067 | {
|
|---|
| 4068 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4069 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4070 | {
|
|---|
| 4071 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4072 | if (pHandle != NULL)
|
|---|
| 4073 | {
|
|---|
| 4074 | kHlpAssertFailed();
|
|---|
| 4075 | }
|
|---|
| 4076 | }
|
|---|
| 4077 |
|
|---|
| 4078 | KWFS_LOG(("WriteFileEx(%p)\n", hFile));
|
|---|
| 4079 | return WriteFileEx(hFile, pvBuffer, cbToWrite, pOverlapped, pfnCompletionRoutine);
|
|---|
| 4080 | }
|
|---|
| 4081 |
|
|---|
| 4082 |
|
|---|
| 4083 | /** Kernel32 - SetEndOfFile; */
|
|---|
| 4084 | static BOOL WINAPI kwSandbox_Kernel32_SetEndOfFile(HANDLE hFile)
|
|---|
| 4085 | {
|
|---|
| 4086 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4087 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4088 | {
|
|---|
| 4089 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4090 | if (pHandle != NULL)
|
|---|
| 4091 | {
|
|---|
| 4092 | switch (pHandle->enmType)
|
|---|
| 4093 | {
|
|---|
| 4094 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4095 | {
|
|---|
| 4096 | PKWFSTEMPFILE pTempFile = pHandle->u.pTempFile;
|
|---|
| 4097 | if ( pHandle->offFile > pTempFile->cbFile
|
|---|
| 4098 | && !kwFsTempFileEnsureSpace(pTempFile, pHandle->offFile, 0))
|
|---|
| 4099 | {
|
|---|
| 4100 | kHlpAssertFailed();
|
|---|
| 4101 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 4102 | return FALSE;
|
|---|
| 4103 | }
|
|---|
| 4104 |
|
|---|
| 4105 | pTempFile->cbFile = pHandle->offFile;
|
|---|
| 4106 | KWFS_LOG(("SetEndOfFile(%p) -> TRUE (cbFile=%#x)\n", hFile, pTempFile->cbFile));
|
|---|
| 4107 | return TRUE;
|
|---|
| 4108 | }
|
|---|
| 4109 |
|
|---|
| 4110 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 4111 | kHlpAssertFailed();
|
|---|
| 4112 | SetLastError(ERROR_ACCESS_DENIED);
|
|---|
| 4113 | return FALSE;
|
|---|
| 4114 |
|
|---|
| 4115 | default:
|
|---|
| 4116 | case KWHANDLETYPE_TEMP_FILE_MAPPING:
|
|---|
| 4117 | kHlpAssertFailed();
|
|---|
| 4118 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 4119 | return FALSE;
|
|---|
| 4120 | }
|
|---|
| 4121 | }
|
|---|
| 4122 | }
|
|---|
| 4123 |
|
|---|
| 4124 | KWFS_LOG(("SetEndOfFile(%p)\n", hFile));
|
|---|
| 4125 | return SetEndOfFile(hFile);
|
|---|
| 4126 | }
|
|---|
| 4127 |
|
|---|
| 4128 |
|
|---|
| 4129 | /** Kernel32 - GetFileType */
|
|---|
| 4130 | static BOOL WINAPI kwSandbox_Kernel32_GetFileType(HANDLE hFile)
|
|---|
| 4131 | {
|
|---|
| 4132 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4133 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4134 | {
|
|---|
| 4135 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4136 | if (pHandle != NULL)
|
|---|
| 4137 | {
|
|---|
| 4138 | switch (pHandle->enmType)
|
|---|
| 4139 | {
|
|---|
| 4140 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 4141 | KWFS_LOG(("GetFileType(%p) -> FILE_TYPE_DISK [cached]\n", hFile));
|
|---|
| 4142 | return FILE_TYPE_DISK;
|
|---|
| 4143 |
|
|---|
| 4144 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4145 | KWFS_LOG(("GetFileType(%p) -> FILE_TYPE_DISK [temp]\n", hFile));
|
|---|
| 4146 | return FILE_TYPE_DISK;
|
|---|
| 4147 | }
|
|---|
| 4148 | }
|
|---|
| 4149 | }
|
|---|
| 4150 |
|
|---|
| 4151 | KWFS_LOG(("GetFileType(%p)\n", hFile));
|
|---|
| 4152 | return GetFileType(hFile);
|
|---|
| 4153 | }
|
|---|
| 4154 |
|
|---|
| 4155 |
|
|---|
| 4156 | /** Kernel32 - GetFileSize */
|
|---|
| 4157 | static DWORD WINAPI kwSandbox_Kernel32_GetFileSize(HANDLE hFile, LPDWORD pcbHighDword)
|
|---|
| 4158 | {
|
|---|
| 4159 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4160 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4161 | {
|
|---|
| 4162 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4163 | if (pHandle != NULL)
|
|---|
| 4164 | {
|
|---|
| 4165 | if (pcbHighDword)
|
|---|
| 4166 | *pcbHighDword = 0;
|
|---|
| 4167 | SetLastError(NO_ERROR);
|
|---|
| 4168 | switch (pHandle->enmType)
|
|---|
| 4169 | {
|
|---|
| 4170 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 4171 | KWFS_LOG(("GetFileSize(%p) -> %#x [cached]\n", hFile, pHandle->u.pFsObj->cbCached));
|
|---|
| 4172 | return pHandle->u.pFsObj->cbCached;
|
|---|
| 4173 |
|
|---|
| 4174 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4175 | KWFS_LOG(("GetFileSize(%p) -> %#x [temp]\n", hFile, pHandle->u.pTempFile->cbFile));
|
|---|
| 4176 | return pHandle->u.pTempFile->cbFile;
|
|---|
| 4177 |
|
|---|
| 4178 | default:
|
|---|
| 4179 | kHlpAssertFailed();
|
|---|
| 4180 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 4181 | return INVALID_FILE_SIZE;
|
|---|
| 4182 | }
|
|---|
| 4183 | }
|
|---|
| 4184 | }
|
|---|
| 4185 |
|
|---|
| 4186 | KWFS_LOG(("GetFileSize(%p,)\n", hFile));
|
|---|
| 4187 | return GetFileSize(hFile, pcbHighDword);
|
|---|
| 4188 | }
|
|---|
| 4189 |
|
|---|
| 4190 |
|
|---|
| 4191 | /** Kernel32 - GetFileSizeEx */
|
|---|
| 4192 | static BOOL WINAPI kwSandbox_Kernel32_GetFileSizeEx(HANDLE hFile, PLARGE_INTEGER pcbFile)
|
|---|
| 4193 | {
|
|---|
| 4194 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4195 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4196 | {
|
|---|
| 4197 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4198 | if (pHandle != NULL)
|
|---|
| 4199 | {
|
|---|
| 4200 | switch (pHandle->enmType)
|
|---|
| 4201 | {
|
|---|
| 4202 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 4203 | KWFS_LOG(("GetFileSizeEx(%p) -> TRUE, %#x [cached]\n", hFile, pHandle->u.pFsObj->cbCached));
|
|---|
| 4204 | pcbFile->QuadPart = pHandle->u.pFsObj->cbCached;
|
|---|
| 4205 | return TRUE;
|
|---|
| 4206 |
|
|---|
| 4207 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4208 | KWFS_LOG(("GetFileSizeEx(%p) -> TRUE, %#x [temp]\n", hFile, pHandle->u.pTempFile->cbFile));
|
|---|
| 4209 | pcbFile->QuadPart = pHandle->u.pTempFile->cbFile;
|
|---|
| 4210 | return TRUE;
|
|---|
| 4211 |
|
|---|
| 4212 | default:
|
|---|
| 4213 | kHlpAssertFailed();
|
|---|
| 4214 | SetLastError(ERROR_INVALID_FUNCTION);
|
|---|
| 4215 | return INVALID_FILE_SIZE;
|
|---|
| 4216 | }
|
|---|
| 4217 | }
|
|---|
| 4218 | }
|
|---|
| 4219 |
|
|---|
| 4220 | KWFS_LOG(("GetFileSizeEx(%p,)\n", hFile));
|
|---|
| 4221 | return GetFileSizeEx(hFile, pcbFile);
|
|---|
| 4222 | }
|
|---|
| 4223 |
|
|---|
| 4224 |
|
|---|
| 4225 | /** Kernel32 - CreateFileMapping */
|
|---|
| 4226 | static HANDLE WINAPI kwSandbox_Kernel32_CreateFileMappingW(HANDLE hFile, LPSECURITY_ATTRIBUTES pSecAttrs,
|
|---|
| 4227 | DWORD fProtect, DWORD dwMaximumSizeHigh,
|
|---|
| 4228 | DWORD dwMaximumSizeLow, LPCWSTR pwszName)
|
|---|
| 4229 | {
|
|---|
| 4230 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hFile);
|
|---|
| 4231 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4232 | {
|
|---|
| 4233 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4234 | if (pHandle != NULL)
|
|---|
| 4235 | {
|
|---|
| 4236 | switch (pHandle->enmType)
|
|---|
| 4237 | {
|
|---|
| 4238 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4239 | {
|
|---|
| 4240 | PKWFSTEMPFILE pTempFile = pHandle->u.pTempFile;
|
|---|
| 4241 | if ( ( fProtect == PAGE_READONLY
|
|---|
| 4242 | || fProtect == PAGE_EXECUTE_READ)
|
|---|
| 4243 | && dwMaximumSizeHigh == 0
|
|---|
| 4244 | && ( dwMaximumSizeLow == 0
|
|---|
| 4245 | || dwMaximumSizeLow == pTempFile->cbFile)
|
|---|
| 4246 | && pwszName == NULL)
|
|---|
| 4247 | {
|
|---|
| 4248 | HANDLE hMapping = kwFsTempFileCreateHandle(pHandle->u.pTempFile, GENERIC_READ, K_TRUE /*fMapping*/);
|
|---|
| 4249 | KWFS_LOG(("CreateFileMappingW(%p, %u) -> %p [temp]\n", hFile, fProtect, hMapping));
|
|---|
| 4250 | return hMapping;
|
|---|
| 4251 | }
|
|---|
| 4252 | kHlpAssertMsgFailed(("fProtect=%#x cb=%#x'%08x name=%p\n",
|
|---|
| 4253 | fProtect, dwMaximumSizeHigh, dwMaximumSizeLow, pwszName));
|
|---|
| 4254 | SetLastError(ERROR_ACCESS_DENIED);
|
|---|
| 4255 | return INVALID_HANDLE_VALUE;
|
|---|
| 4256 | }
|
|---|
| 4257 | }
|
|---|
| 4258 | }
|
|---|
| 4259 | }
|
|---|
| 4260 |
|
|---|
| 4261 | KWFS_LOG(("CreateFileMappingW(%p)\n", hFile));
|
|---|
| 4262 | return CreateFileMappingW(hFile, pSecAttrs, fProtect, dwMaximumSizeHigh, dwMaximumSizeLow, pwszName);
|
|---|
| 4263 | }
|
|---|
| 4264 |
|
|---|
| 4265 | /** Kernel32 - MapViewOfFile */
|
|---|
| 4266 | static HANDLE WINAPI kwSandbox_Kernel32_MapViewOfFile(HANDLE hSection, DWORD dwDesiredAccess,
|
|---|
| 4267 | DWORD offFileHigh, DWORD offFileLow, SIZE_T cbToMap)
|
|---|
| 4268 | {
|
|---|
| 4269 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hSection);
|
|---|
| 4270 | if (idxHandle < g_Sandbox.cHandles)
|
|---|
| 4271 | {
|
|---|
| 4272 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4273 | if (pHandle != NULL)
|
|---|
| 4274 | {
|
|---|
| 4275 | switch (pHandle->enmType)
|
|---|
| 4276 | {
|
|---|
| 4277 | case KWHANDLETYPE_FSOBJ_READ_CACHE:
|
|---|
| 4278 | case KWHANDLETYPE_TEMP_FILE:
|
|---|
| 4279 | kHlpAssertFailed();
|
|---|
| 4280 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 4281 | return NULL;
|
|---|
| 4282 |
|
|---|
| 4283 | case KWHANDLETYPE_TEMP_FILE_MAPPING:
|
|---|
| 4284 | {
|
|---|
| 4285 | PKWFSTEMPFILE pTempFile = pHandle->u.pTempFile;
|
|---|
| 4286 | if ( dwDesiredAccess == FILE_MAP_READ
|
|---|
| 4287 | && offFileHigh == 0
|
|---|
| 4288 | && offFileLow == 0
|
|---|
| 4289 | && (cbToMap == 0 || cbToMap == pTempFile->cbFile) )
|
|---|
| 4290 | {
|
|---|
| 4291 | kHlpAssert(pTempFile->cMappings == 0 || pTempFile->cSegs == 1);
|
|---|
| 4292 | if (pTempFile->cSegs != 1)
|
|---|
| 4293 | {
|
|---|
| 4294 | KU32 iSeg;
|
|---|
| 4295 | KU32 cbLeft;
|
|---|
| 4296 | KU32 cbAll = pTempFile->cbFile ? (KU32)K_ALIGN_Z(pTempFile->cbFile, 0x2000) : 0x1000;
|
|---|
| 4297 | KU8 *pbAll = NULL;
|
|---|
| 4298 | int rc = kHlpPageAlloc((void **)&pbAll, cbAll, KPROT_READWRITE, K_FALSE);
|
|---|
| 4299 | if (rc != 0)
|
|---|
| 4300 | {
|
|---|
| 4301 | kHlpAssertFailed();
|
|---|
| 4302 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 4303 | return NULL;
|
|---|
| 4304 | }
|
|---|
| 4305 |
|
|---|
| 4306 | cbLeft = pTempFile->cbFile;
|
|---|
| 4307 | for (iSeg = 0; iSeg < pTempFile->cSegs && cbLeft > 0; iSeg++)
|
|---|
| 4308 | {
|
|---|
| 4309 | KU32 cbToCopy = K_MIN(cbLeft, pTempFile->paSegs[iSeg].cbDataAlloc);
|
|---|
| 4310 | kHlpMemCopy(&pbAll[pTempFile->paSegs[iSeg].offData], pTempFile->paSegs[iSeg].pbData, cbToCopy);
|
|---|
| 4311 | cbLeft -= cbToCopy;
|
|---|
| 4312 | }
|
|---|
| 4313 |
|
|---|
| 4314 | for (iSeg = 0; iSeg < pTempFile->cSegs; iSeg++)
|
|---|
| 4315 | {
|
|---|
| 4316 | kHlpPageFree(pTempFile->paSegs[iSeg].pbData, pTempFile->paSegs[iSeg].cbDataAlloc);
|
|---|
| 4317 | pTempFile->paSegs[iSeg].pbData = NULL;
|
|---|
| 4318 | pTempFile->paSegs[iSeg].cbDataAlloc = 0;
|
|---|
| 4319 | }
|
|---|
| 4320 |
|
|---|
| 4321 | pTempFile->cSegs = 1;
|
|---|
| 4322 | pTempFile->cbFileAllocated = cbAll;
|
|---|
| 4323 | pTempFile->paSegs[0].cbDataAlloc = cbAll;
|
|---|
| 4324 | pTempFile->paSegs[0].pbData = pbAll;
|
|---|
| 4325 | pTempFile->paSegs[0].offData = 0;
|
|---|
| 4326 | }
|
|---|
| 4327 |
|
|---|
| 4328 | pTempFile->cMappings++;
|
|---|
| 4329 | kHlpAssert(pTempFile->cMappings == 1);
|
|---|
| 4330 |
|
|---|
| 4331 | KWFS_LOG(("CreateFileMappingW(%p) -> %p [temp]\n", hSection, pTempFile->paSegs[0].pbData));
|
|---|
| 4332 | return pTempFile->paSegs[0].pbData;
|
|---|
| 4333 | }
|
|---|
| 4334 |
|
|---|
| 4335 | kHlpAssertMsgFailed(("dwDesiredAccess=%#x offFile=%#x'%08x cbToMap=%#x (cbFile=%#x)\n",
|
|---|
| 4336 | dwDesiredAccess, offFileHigh, offFileLow, cbToMap, pTempFile->cbFile));
|
|---|
| 4337 | SetLastError(ERROR_NOT_ENOUGH_MEMORY);
|
|---|
| 4338 | return NULL;
|
|---|
| 4339 | }
|
|---|
| 4340 | }
|
|---|
| 4341 | }
|
|---|
| 4342 | }
|
|---|
| 4343 |
|
|---|
| 4344 | KWFS_LOG(("MapViewOfFile(%p)\n", hSection));
|
|---|
| 4345 | return MapViewOfFile(hSection, dwDesiredAccess, offFileHigh, offFileLow, cbToMap);
|
|---|
| 4346 | }
|
|---|
| 4347 | /** @todo MapViewOfFileEx */
|
|---|
| 4348 |
|
|---|
| 4349 |
|
|---|
| 4350 | /** Kernel32 - UnmapViewOfFile */
|
|---|
| 4351 | static BOOL WINAPI kwSandbox_Kernel32_UnmapViewOfFile(LPCVOID pvBase)
|
|---|
| 4352 | {
|
|---|
| 4353 | /* Is this one of our temporary mappings? */
|
|---|
| 4354 | PKWFSTEMPFILE pCur = g_Sandbox.pTempFileHead;
|
|---|
| 4355 | while (pCur)
|
|---|
| 4356 | {
|
|---|
| 4357 | if ( pCur->cMappings > 0
|
|---|
| 4358 | && pCur->paSegs[0].pbData == (KU8 *)pvBase)
|
|---|
| 4359 | {
|
|---|
| 4360 | pCur->cMappings--;
|
|---|
| 4361 | KWFS_LOG(("UnmapViewOfFile(%p) -> TRUE [temp]\n", pvBase));
|
|---|
| 4362 | return TRUE;
|
|---|
| 4363 | }
|
|---|
| 4364 | pCur = pCur->pNext;
|
|---|
| 4365 | }
|
|---|
| 4366 |
|
|---|
| 4367 | KWFS_LOG(("UnmapViewOfFile(%p)\n", pvBase));
|
|---|
| 4368 | return UnmapViewOfFile(pvBase);
|
|---|
| 4369 | }
|
|---|
| 4370 |
|
|---|
| 4371 | /** @todo UnmapViewOfFileEx */
|
|---|
| 4372 |
|
|---|
| 4373 |
|
|---|
| 4374 | #endif /* WITH_TEMP_MEMORY_FILES */
|
|---|
| 4375 |
|
|---|
| 4376 | /** Kernel32 - CloseHandle */
|
|---|
| 4377 | static BOOL WINAPI kwSandbox_Kernel32_CloseHandle(HANDLE hObject)
|
|---|
| 4378 | {
|
|---|
| 4379 | BOOL fRet;
|
|---|
| 4380 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(hObject);
|
|---|
| 4381 | if ( idxHandle < g_Sandbox.cHandles
|
|---|
| 4382 | && g_Sandbox.papHandles[idxHandle] != NULL)
|
|---|
| 4383 | {
|
|---|
| 4384 | fRet = CloseHandle(hObject);
|
|---|
| 4385 | if (fRet)
|
|---|
| 4386 | {
|
|---|
| 4387 | PKWHANDLE pHandle = g_Sandbox.papHandles[idxHandle];
|
|---|
| 4388 | g_Sandbox.papHandles[idxHandle] = NULL;
|
|---|
| 4389 | g_Sandbox.cActiveHandles--;
|
|---|
| 4390 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 4391 | if (pHandle->enmType == KWHANDLETYPE_TEMP_FILE)
|
|---|
| 4392 | {
|
|---|
| 4393 | kHlpAssert(pHandle->u.pTempFile->cActiveHandles > 0);
|
|---|
| 4394 | pHandle->u.pTempFile->cActiveHandles--;
|
|---|
| 4395 | }
|
|---|
| 4396 | #endif
|
|---|
| 4397 | kHlpFree(pHandle);
|
|---|
| 4398 | KWFS_LOG(("CloseHandle(%p) -> TRUE [intercepted handle]\n", hObject));
|
|---|
| 4399 | }
|
|---|
| 4400 | else
|
|---|
| 4401 | KWFS_LOG(("CloseHandle(%p) -> FALSE [intercepted handle] err=%u!\n", hObject, GetLastError()));
|
|---|
| 4402 | }
|
|---|
| 4403 | else
|
|---|
| 4404 | {
|
|---|
| 4405 | KWFS_LOG(("CloseHandle(%p)\n", hObject));
|
|---|
| 4406 | fRet = CloseHandle(hObject);
|
|---|
| 4407 | }
|
|---|
| 4408 | return fRet;
|
|---|
| 4409 | }
|
|---|
| 4410 |
|
|---|
| 4411 |
|
|---|
| 4412 | /** Kernel32 - GetFileAttributesA. */
|
|---|
| 4413 | static DWORD WINAPI kwSandbox_Kernel32_GetFileAttributesA(LPCSTR pszFilename)
|
|---|
| 4414 | {
|
|---|
| 4415 | DWORD fRet;
|
|---|
| 4416 | const char *pszExt = kHlpGetExt(pszFilename);
|
|---|
| 4417 | if (kwFsIsCachableExtensionA(pszExt, K_TRUE /*fAttrQuery*/))
|
|---|
| 4418 | {
|
|---|
| 4419 | PKWFSOBJ pFsObj = kwFsLookupA(pszFilename);
|
|---|
| 4420 | if (pFsObj)
|
|---|
| 4421 | {
|
|---|
| 4422 | if (pFsObj->fAttribs == INVALID_FILE_ATTRIBUTES)
|
|---|
| 4423 | SetLastError(pFsObj->uLastError);
|
|---|
| 4424 | KWFS_LOG(("GetFileAttributesA(%s) -> %#x [cached]\n", pszFilename, pFsObj->fAttribs));
|
|---|
| 4425 | return pFsObj->fAttribs;
|
|---|
| 4426 | }
|
|---|
| 4427 | }
|
|---|
| 4428 |
|
|---|
| 4429 | fRet = GetFileAttributesA(pszFilename);
|
|---|
| 4430 | KWFS_LOG(("GetFileAttributesA(%s) -> %#x\n", pszFilename, fRet));
|
|---|
| 4431 | return fRet;
|
|---|
| 4432 | }
|
|---|
| 4433 |
|
|---|
| 4434 |
|
|---|
| 4435 | /** Kernel32 - GetFileAttributesW. */
|
|---|
| 4436 | static DWORD WINAPI kwSandbox_Kernel32_GetFileAttributesW(LPCWSTR pwszFilename)
|
|---|
| 4437 | {
|
|---|
| 4438 | DWORD fRet;
|
|---|
| 4439 | if (kwFsIsCachablePathExtensionW(pwszFilename, K_TRUE /*fAttrQuery*/))
|
|---|
| 4440 | {
|
|---|
| 4441 | /** @todo rewrite to pure UTF-16. */
|
|---|
| 4442 | char szTmp[2048];
|
|---|
| 4443 | KSIZE cch = kwUtf16ToStr(pwszFilename, szTmp, sizeof(szTmp));
|
|---|
| 4444 | if (cch < sizeof(szTmp))
|
|---|
| 4445 | return kwSandbox_Kernel32_GetFileAttributesA(szTmp);
|
|---|
| 4446 | }
|
|---|
| 4447 |
|
|---|
| 4448 | fRet = GetFileAttributesW(pwszFilename);
|
|---|
| 4449 | KWFS_LOG(("GetFileAttributesW(%ls) -> %#x\n", pwszFilename, fRet));
|
|---|
| 4450 | return fRet;
|
|---|
| 4451 | }
|
|---|
| 4452 |
|
|---|
| 4453 |
|
|---|
| 4454 | /** Kernel32 - GetShortPathNameW - cl1[xx].dll of VS2010 does this to the
|
|---|
| 4455 | * directory containing each include file. We cache the result to speed
|
|---|
| 4456 | * things up a little. */
|
|---|
| 4457 | static DWORD WINAPI kwSandbox_Kernel32_GetShortPathNameW(LPCWSTR pwszLongPath, LPWSTR pwszShortPath, DWORD cwcShortPath)
|
|---|
| 4458 | {
|
|---|
| 4459 | DWORD cwcRet;
|
|---|
| 4460 | if (kwFsIsCachablePathExtensionW(pwszLongPath, K_TRUE /*fAttrQuery*/))
|
|---|
| 4461 | {
|
|---|
| 4462 | /** @todo proper implementation later, for now just copy it over as it. */
|
|---|
| 4463 | KSIZE cwcLongPath = kwUtf16Len(pwszLongPath);
|
|---|
| 4464 | cwcRet = kwUtf16CopyStyle1(pwszLongPath, pwszShortPath, cwcShortPath);
|
|---|
| 4465 | KWFS_LOG(("GetShortPathNameW(%ls) -> '%*.*ls' & %#x [cached]\n",
|
|---|
| 4466 | pwszLongPath, K_MIN(cwcShortPath, cwcRet), K_MIN(cwcShortPath, cwcRet), pwszShortPath, cwcRet));
|
|---|
| 4467 | }
|
|---|
| 4468 | else
|
|---|
| 4469 | {
|
|---|
| 4470 | cwcRet = GetShortPathNameW(pwszLongPath, pwszShortPath, cwcShortPath);
|
|---|
| 4471 | KWFS_LOG(("GetShortPathNameW(%ls) -> '%*.*ls' & %#x\n",
|
|---|
| 4472 | pwszLongPath, K_MIN(cwcShortPath, cwcRet), K_MIN(cwcShortPath, cwcRet), pwszShortPath, cwcRet));
|
|---|
| 4473 | }
|
|---|
| 4474 | return cwcRet;
|
|---|
| 4475 | }
|
|---|
| 4476 |
|
|---|
| 4477 |
|
|---|
| 4478 |
|
|---|
| 4479 | /**
|
|---|
| 4480 | * Functions that needs replacing for sandboxed execution.
|
|---|
| 4481 | */
|
|---|
| 4482 | KWREPLACEMENTFUNCTION const g_aSandboxReplacements[] =
|
|---|
| 4483 | {
|
|---|
| 4484 | /*
|
|---|
| 4485 | * Kernel32.dll and friends.
|
|---|
| 4486 | */
|
|---|
| 4487 | { TUPLE("ExitProcess"), NULL, (KUPTR)kwSandbox_Kernel32_ExitProcess },
|
|---|
| 4488 | { TUPLE("TerminateProcess"), NULL, (KUPTR)kwSandbox_Kernel32_TerminateProcess },
|
|---|
| 4489 |
|
|---|
| 4490 | { TUPLE("LoadLibraryA"), NULL, (KUPTR)kwSandbox_Kernel32_LoadLibraryA },
|
|---|
| 4491 | { TUPLE("LoadLibraryW"), NULL, (KUPTR)kwSandbox_Kernel32_LoadLibraryW },
|
|---|
| 4492 | { TUPLE("LoadLibraryExA"), NULL, (KUPTR)kwSandbox_Kernel32_LoadLibraryExA },
|
|---|
| 4493 | { TUPLE("LoadLibraryExW"), NULL, (KUPTR)kwSandbox_Kernel32_LoadLibraryExW },
|
|---|
| 4494 | { TUPLE("FreeLibrary"), NULL, (KUPTR)kwSandbox_Kernel32_FreeLibrary },
|
|---|
| 4495 | { TUPLE("GetModuleHandleA"), NULL, (KUPTR)kwSandbox_Kernel32_GetModuleHandleA },
|
|---|
| 4496 | { TUPLE("GetModuleHandleW"), NULL, (KUPTR)kwSandbox_Kernel32_GetModuleHandleW },
|
|---|
| 4497 | { TUPLE("GetProcAddress"), NULL, (KUPTR)kwSandbox_Kernel32_GetProcAddress },
|
|---|
| 4498 | { TUPLE("GetModuleFileNameA"), NULL, (KUPTR)kwSandbox_Kernel32_GetModuleFileNameA },
|
|---|
| 4499 | { TUPLE("GetModuleFileNameW"), NULL, (KUPTR)kwSandbox_Kernel32_GetModuleFileNameW },
|
|---|
| 4500 |
|
|---|
| 4501 | { TUPLE("GetCommandLineA"), NULL, (KUPTR)kwSandbox_Kernel32_GetCommandLineA },
|
|---|
| 4502 | { TUPLE("GetCommandLineW"), NULL, (KUPTR)kwSandbox_Kernel32_GetCommandLineW },
|
|---|
| 4503 | { TUPLE("GetStartupInfoA"), NULL, (KUPTR)kwSandbox_Kernel32_GetStartupInfoA },
|
|---|
| 4504 | { TUPLE("GetStartupInfoW"), NULL, (KUPTR)kwSandbox_Kernel32_GetStartupInfoW },
|
|---|
| 4505 |
|
|---|
| 4506 | { TUPLE("CreateThread"), NULL, (KUPTR)kwSandbox_Kernel32_CreateThread },
|
|---|
| 4507 |
|
|---|
| 4508 | { TUPLE("GetEnvironmentVariableA"), NULL, (KUPTR)kwSandbox_Kernel32_GetEnvironmentVariableA },
|
|---|
| 4509 | { TUPLE("GetEnvironmentVariableW"), NULL, (KUPTR)kwSandbox_Kernel32_GetEnvironmentVariableW },
|
|---|
| 4510 | { TUPLE("SetEnvironmentVariableA"), NULL, (KUPTR)kwSandbox_Kernel32_SetEnvironmentVariableA },
|
|---|
| 4511 | { TUPLE("SetEnvironmentVariableW"), NULL, (KUPTR)kwSandbox_Kernel32_SetEnvironmentVariableW },
|
|---|
| 4512 | { TUPLE("ExpandEnvironmentStringsA"), NULL, (KUPTR)kwSandbox_Kernel32_ExpandEnvironmentStringsA },
|
|---|
| 4513 | { TUPLE("ExpandEnvironmentStringsW"), NULL, (KUPTR)kwSandbox_Kernel32_ExpandEnvironmentStringsW },
|
|---|
| 4514 |
|
|---|
| 4515 | { TUPLE("CreateFileA"), NULL, (KUPTR)kwSandbox_Kernel32_CreateFileA },
|
|---|
| 4516 | { TUPLE("CreateFileW"), NULL, (KUPTR)kwSandbox_Kernel32_CreateFileW },
|
|---|
| 4517 | { TUPLE("ReadFile"), NULL, (KUPTR)kwSandbox_Kernel32_ReadFile },
|
|---|
| 4518 | { TUPLE("ReadFileEx"), NULL, (KUPTR)kwSandbox_Kernel32_ReadFileEx },
|
|---|
| 4519 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 4520 | { TUPLE("WriteFile"), NULL, (KUPTR)kwSandbox_Kernel32_WriteFile },
|
|---|
| 4521 | { TUPLE("WriteFileEx"), NULL, (KUPTR)kwSandbox_Kernel32_WriteFileEx },
|
|---|
| 4522 | { TUPLE("SetEndOfFile"), NULL, (KUPTR)kwSandbox_Kernel32_SetEndOfFile },
|
|---|
| 4523 | { TUPLE("GetFileType"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileType },
|
|---|
| 4524 | { TUPLE("GetFileSize"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileSize },
|
|---|
| 4525 | { TUPLE("GetFileSizeEx"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileSizeEx },
|
|---|
| 4526 | { TUPLE("CreateFileMappingW"), NULL, (KUPTR)kwSandbox_Kernel32_CreateFileMappingW },
|
|---|
| 4527 | { TUPLE("MapViewOfFile"), NULL, (KUPTR)kwSandbox_Kernel32_MapViewOfFile },
|
|---|
| 4528 | { TUPLE("UnmapViewOfFile"), NULL, (KUPTR)kwSandbox_Kernel32_UnmapViewOfFile },
|
|---|
| 4529 | #endif
|
|---|
| 4530 | { TUPLE("SetFilePointer"), NULL, (KUPTR)kwSandbox_Kernel32_SetFilePointer },
|
|---|
| 4531 | { TUPLE("SetFilePointerEx"), NULL, (KUPTR)kwSandbox_Kernel32_SetFilePointerEx },
|
|---|
| 4532 | { TUPLE("CloseHandle"), NULL, (KUPTR)kwSandbox_Kernel32_CloseHandle },
|
|---|
| 4533 | { TUPLE("GetFileAttributesA"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileAttributesA },
|
|---|
| 4534 | { TUPLE("GetFileAttributesW"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileAttributesW },
|
|---|
| 4535 | { TUPLE("GetShortPathNameW"), NULL, (KUPTR)kwSandbox_Kernel32_GetShortPathNameW },
|
|---|
| 4536 |
|
|---|
| 4537 | /*
|
|---|
| 4538 | * MS Visual C++ CRTs.
|
|---|
| 4539 | */
|
|---|
| 4540 | { TUPLE("exit"), NULL, (KUPTR)kwSandbox_msvcrt_exit },
|
|---|
| 4541 | { TUPLE("_exit"), NULL, (KUPTR)kwSandbox_msvcrt__exit },
|
|---|
| 4542 | { TUPLE("_cexit"), NULL, (KUPTR)kwSandbox_msvcrt__cexit },
|
|---|
| 4543 | { TUPLE("_c_exit"), NULL, (KUPTR)kwSandbox_msvcrt__c_exit },
|
|---|
| 4544 | { TUPLE("_amsg_exit"), NULL, (KUPTR)kwSandbox_msvcrt__amsg_exit },
|
|---|
| 4545 | { TUPLE("terminate"), NULL, (KUPTR)kwSandbox_msvcrt_terminate },
|
|---|
| 4546 |
|
|---|
| 4547 | { TUPLE("_beginthread"), NULL, (KUPTR)kwSandbox_msvcrt__beginthread },
|
|---|
| 4548 | { TUPLE("_beginthreadex"), NULL, (KUPTR)kwSandbox_msvcrt__beginthreadex },
|
|---|
| 4549 |
|
|---|
| 4550 | { TUPLE("__argc"), NULL, (KUPTR)&g_Sandbox.cArgs },
|
|---|
| 4551 | { TUPLE("__argv"), NULL, (KUPTR)&g_Sandbox.papszArgs },
|
|---|
| 4552 | { TUPLE("__wargv"), NULL, (KUPTR)&g_Sandbox.papwszArgs },
|
|---|
| 4553 | { TUPLE("__p___argc"), NULL, (KUPTR)kwSandbox_msvcrt___p___argc },
|
|---|
| 4554 | { TUPLE("__p___argv"), NULL, (KUPTR)kwSandbox_msvcrt___p___argv },
|
|---|
| 4555 | { TUPLE("__p___wargv"), NULL, (KUPTR)kwSandbox_msvcrt___p___wargv },
|
|---|
| 4556 | { TUPLE("_acmdln"), NULL, (KUPTR)&g_Sandbox.pszCmdLine },
|
|---|
| 4557 | { TUPLE("_wcmdln"), NULL, (KUPTR)&g_Sandbox.pwszCmdLine },
|
|---|
| 4558 | { TUPLE("__p__acmdln"), NULL, (KUPTR)kwSandbox_msvcrt___p__acmdln },
|
|---|
| 4559 | { TUPLE("__p__wcmdln"), NULL, (KUPTR)kwSandbox_msvcrt___p__wcmdln },
|
|---|
| 4560 | { TUPLE("_pgmptr"), NULL, (KUPTR)&g_Sandbox.pgmptr },
|
|---|
| 4561 | { TUPLE("_wpgmptr"), NULL, (KUPTR)&g_Sandbox.wpgmptr },
|
|---|
| 4562 | { TUPLE("_get_pgmptr"), NULL, (KUPTR)kwSandbox_msvcrt__get_pgmptr },
|
|---|
| 4563 | { TUPLE("_get_wpgmptr"), NULL, (KUPTR)kwSandbox_msvcrt__get_wpgmptr },
|
|---|
| 4564 | { TUPLE("__p__pgmptr"), NULL, (KUPTR)kwSandbox_msvcrt___p__pgmptr },
|
|---|
| 4565 | { TUPLE("__p__wpgmptr"), NULL, (KUPTR)kwSandbox_msvcrt___p__wpgmptr },
|
|---|
| 4566 | { TUPLE("_wincmdln"), NULL, (KUPTR)kwSandbox_msvcrt__wincmdln },
|
|---|
| 4567 | { TUPLE("_wwincmdln"), NULL, (KUPTR)kwSandbox_msvcrt__wwincmdln },
|
|---|
| 4568 | { TUPLE("__getmainargs"), NULL, (KUPTR)kwSandbox_msvcrt___getmainargs},
|
|---|
| 4569 | { TUPLE("__wgetmainargs"), NULL, (KUPTR)kwSandbox_msvcrt___wgetmainargs},
|
|---|
| 4570 |
|
|---|
| 4571 | { TUPLE("_putenv"), NULL, (KUPTR)kwSandbox_msvcrt__putenv},
|
|---|
| 4572 | { TUPLE("_wputenv"), NULL, (KUPTR)kwSandbox_msvcrt__wputenv},
|
|---|
| 4573 | { TUPLE("_putenv_s"), NULL, (KUPTR)kwSandbox_msvcrt__putenv_s},
|
|---|
| 4574 | { TUPLE("_wputenv_s"), NULL, (KUPTR)kwSandbox_msvcrt__wputenv_s},
|
|---|
| 4575 | { TUPLE("__initenv"), NULL, (KUPTR)&g_Sandbox.initenv },
|
|---|
| 4576 | { TUPLE("__winitenv"), NULL, (KUPTR)&g_Sandbox.winitenv },
|
|---|
| 4577 | { TUPLE("__p___initenv"), NULL, (KUPTR)kwSandbox_msvcrt___p___initenv},
|
|---|
| 4578 | { TUPLE("__p___winitenv"), NULL, (KUPTR)kwSandbox_msvcrt___p___winitenv},
|
|---|
| 4579 | { TUPLE("_environ"), NULL, (KUPTR)&g_Sandbox.environ },
|
|---|
| 4580 | { TUPLE("_wenviron"), NULL, (KUPTR)&g_Sandbox.wenviron },
|
|---|
| 4581 | { TUPLE("_get_environ"), NULL, (KUPTR)kwSandbox_msvcrt__get_environ },
|
|---|
| 4582 | { TUPLE("_get_wenviron"), NULL, (KUPTR)kwSandbox_msvcrt__get_wenviron },
|
|---|
| 4583 | { TUPLE("__p__environ"), NULL, (KUPTR)kwSandbox_msvcrt___p__environ },
|
|---|
| 4584 | { TUPLE("__p__wenviron"), NULL, (KUPTR)kwSandbox_msvcrt___p__wenviron },
|
|---|
| 4585 | };
|
|---|
| 4586 | /** Number of entries in g_aReplacements. */
|
|---|
| 4587 | KU32 const g_cSandboxReplacements = K_ELEMENTS(g_aSandboxReplacements);
|
|---|
| 4588 |
|
|---|
| 4589 |
|
|---|
| 4590 | /**
|
|---|
| 4591 | * Functions that needs replacing in natively loaded DLLs when doing sandboxed
|
|---|
| 4592 | * execution.
|
|---|
| 4593 | */
|
|---|
| 4594 | KWREPLACEMENTFUNCTION const g_aSandboxNativeReplacements[] =
|
|---|
| 4595 | {
|
|---|
| 4596 | /*
|
|---|
| 4597 | * Kernel32.dll and friends.
|
|---|
| 4598 | */
|
|---|
| 4599 | { TUPLE("ExitProcess"), NULL, (KUPTR)kwSandbox_Kernel32_ExitProcess },
|
|---|
| 4600 | { TUPLE("TerminateProcess"), NULL, (KUPTR)kwSandbox_Kernel32_TerminateProcess },
|
|---|
| 4601 |
|
|---|
| 4602 | #if 0
|
|---|
| 4603 | { TUPLE("CreateThread"), NULL, (KUPTR)kwSandbox_Kernel32_CreateThread },
|
|---|
| 4604 | #endif
|
|---|
| 4605 |
|
|---|
| 4606 | { TUPLE("CreateFileA"), NULL, (KUPTR)kwSandbox_Kernel32_CreateFileA },
|
|---|
| 4607 | { TUPLE("CreateFileW"), NULL, (KUPTR)kwSandbox_Kernel32_CreateFileW },
|
|---|
| 4608 | { TUPLE("ReadFile"), NULL, (KUPTR)kwSandbox_Kernel32_ReadFile },
|
|---|
| 4609 | { TUPLE("ReadFileEx"), NULL, (KUPTR)kwSandbox_Kernel32_ReadFileEx },
|
|---|
| 4610 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 4611 | { TUPLE("WriteFile"), NULL, (KUPTR)kwSandbox_Kernel32_WriteFile },
|
|---|
| 4612 | { TUPLE("WriteFileEx"), NULL, (KUPTR)kwSandbox_Kernel32_WriteFileEx },
|
|---|
| 4613 | { TUPLE("SetEndOfFile"), NULL, (KUPTR)kwSandbox_Kernel32_SetEndOfFile },
|
|---|
| 4614 | { TUPLE("GetFileType"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileType },
|
|---|
| 4615 | { TUPLE("GetFileSize"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileSize },
|
|---|
| 4616 | { TUPLE("GetFileSizeEx"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileSizeEx },
|
|---|
| 4617 | { TUPLE("CreateFileMappingW"), NULL, (KUPTR)kwSandbox_Kernel32_CreateFileMappingW },
|
|---|
| 4618 | { TUPLE("MapViewOfFile"), NULL, (KUPTR)kwSandbox_Kernel32_MapViewOfFile },
|
|---|
| 4619 | { TUPLE("UnmapViewOfFile"), NULL, (KUPTR)kwSandbox_Kernel32_UnmapViewOfFile },
|
|---|
| 4620 | #endif
|
|---|
| 4621 | { TUPLE("SetFilePointer"), NULL, (KUPTR)kwSandbox_Kernel32_SetFilePointer },
|
|---|
| 4622 | { TUPLE("SetFilePointerEx"), NULL, (KUPTR)kwSandbox_Kernel32_SetFilePointerEx },
|
|---|
| 4623 | { TUPLE("CloseHandle"), NULL, (KUPTR)kwSandbox_Kernel32_CloseHandle },
|
|---|
| 4624 | { TUPLE("GetFileAttributesA"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileAttributesA },
|
|---|
| 4625 | { TUPLE("GetFileAttributesW"), NULL, (KUPTR)kwSandbox_Kernel32_GetFileAttributesW },
|
|---|
| 4626 | { TUPLE("GetShortPathNameW"), NULL, (KUPTR)kwSandbox_Kernel32_GetShortPathNameW },
|
|---|
| 4627 |
|
|---|
| 4628 | /*
|
|---|
| 4629 | * MS Visual C++ CRTs.
|
|---|
| 4630 | */
|
|---|
| 4631 | { TUPLE("exit"), NULL, (KUPTR)kwSandbox_msvcrt_exit },
|
|---|
| 4632 | { TUPLE("_exit"), NULL, (KUPTR)kwSandbox_msvcrt__exit },
|
|---|
| 4633 | { TUPLE("_cexit"), NULL, (KUPTR)kwSandbox_msvcrt__cexit },
|
|---|
| 4634 | { TUPLE("_c_exit"), NULL, (KUPTR)kwSandbox_msvcrt__c_exit },
|
|---|
| 4635 | { TUPLE("_amsg_exit"), NULL, (KUPTR)kwSandbox_msvcrt__amsg_exit },
|
|---|
| 4636 | { TUPLE("terminate"), NULL, (KUPTR)kwSandbox_msvcrt_terminate },
|
|---|
| 4637 |
|
|---|
| 4638 | #if 0 /* used by mspdbXXX.dll */
|
|---|
| 4639 | { TUPLE("_beginthread"), NULL, (KUPTR)kwSandbox_msvcrt__beginthread },
|
|---|
| 4640 | { TUPLE("_beginthreadex"), NULL, (KUPTR)kwSandbox_msvcrt__beginthreadex },
|
|---|
| 4641 | #endif
|
|---|
| 4642 | };
|
|---|
| 4643 | /** Number of entries in g_aSandboxNativeReplacements. */
|
|---|
| 4644 | KU32 const g_cSandboxNativeReplacements = K_ELEMENTS(g_aSandboxNativeReplacements);
|
|---|
| 4645 |
|
|---|
| 4646 |
|
|---|
| 4647 | /**
|
|---|
| 4648 | * Used by kwSandboxExec to reset the state of the module tree.
|
|---|
| 4649 | *
|
|---|
| 4650 | * This is done recursively.
|
|---|
| 4651 | *
|
|---|
| 4652 | * @param pMod The root of the tree to consider.
|
|---|
| 4653 | */
|
|---|
| 4654 | static void kwSandboxResetModuleState(PKWMODULE pMod)
|
|---|
| 4655 | {
|
|---|
| 4656 | if ( !pMod->fNative
|
|---|
| 4657 | && pMod->u.Manual.enmState != KWMODSTATE_NEEDS_BITS)
|
|---|
| 4658 | {
|
|---|
| 4659 | KSIZE iImp;
|
|---|
| 4660 | pMod->u.Manual.enmState = KWMODSTATE_NEEDS_BITS;
|
|---|
| 4661 | iImp = pMod->u.Manual.cImpMods;
|
|---|
| 4662 | while (iImp-- > 0)
|
|---|
| 4663 | kwSandboxResetModuleState(pMod->u.Manual.apImpMods[iImp]);
|
|---|
| 4664 | }
|
|---|
| 4665 | }
|
|---|
| 4666 |
|
|---|
| 4667 | static PPEB kwSandboxGetProcessEnvironmentBlock(void)
|
|---|
| 4668 | {
|
|---|
| 4669 | #if K_ARCH == K_ARCH_X86_32
|
|---|
| 4670 | return (PPEB)__readfsdword(0x030 /* offset of ProcessEnvironmentBlock in TEB */);
|
|---|
| 4671 | #elif K_ARCH == K_ARCH_AMD64
|
|---|
| 4672 | return (PPEB)__readgsqword(0x060 /* offset of ProcessEnvironmentBlock in TEB */);
|
|---|
| 4673 | #else
|
|---|
| 4674 | # error "Port me!"
|
|---|
| 4675 | #endif
|
|---|
| 4676 | }
|
|---|
| 4677 |
|
|---|
| 4678 |
|
|---|
| 4679 | /**
|
|---|
| 4680 | * Enters the given handle into the handle table.
|
|---|
| 4681 | *
|
|---|
| 4682 | * @returns K_TRUE on success, K_FALSE on failure.
|
|---|
| 4683 | * @param pSandbox The sandbox.
|
|---|
| 4684 | * @param pHandle The handle.
|
|---|
| 4685 | */
|
|---|
| 4686 | static KBOOL kwSandboxHandleTableEnter(PKWSANDBOX pSandbox, PKWHANDLE pHandle)
|
|---|
| 4687 | {
|
|---|
| 4688 | KUPTR const idxHandle = KW_HANDLE_TO_INDEX(pHandle->hHandle);
|
|---|
| 4689 | kHlpAssertReturn(idxHandle < KW_HANDLE_MAX, K_FALSE);
|
|---|
| 4690 |
|
|---|
| 4691 | /*
|
|---|
| 4692 | * Grow handle table.
|
|---|
| 4693 | */
|
|---|
| 4694 | if (idxHandle >= pSandbox->cHandles)
|
|---|
| 4695 | {
|
|---|
| 4696 | void *pvNew;
|
|---|
| 4697 | KU32 cHandles = pSandbox->cHandles ? pSandbox->cHandles * 2 : 32;
|
|---|
| 4698 | while (cHandles <= idxHandle)
|
|---|
| 4699 | cHandles *= 2;
|
|---|
| 4700 | pvNew = kHlpRealloc(pSandbox->papHandles, cHandles * sizeof(pSandbox->papHandles[0]));
|
|---|
| 4701 | if (!pvNew)
|
|---|
| 4702 | {
|
|---|
| 4703 | KW_LOG(("Out of memory growing handle table to %u handles\n", cHandles));
|
|---|
| 4704 | return K_FALSE;
|
|---|
| 4705 | }
|
|---|
| 4706 | pSandbox->papHandles = (PKWHANDLE *)pvNew;
|
|---|
| 4707 | kHlpMemSet(&pSandbox->papHandles[pSandbox->cHandles], 0,
|
|---|
| 4708 | (cHandles - pSandbox->cHandles) * sizeof(pSandbox->papHandles[0]));
|
|---|
| 4709 | pSandbox->cHandles = cHandles;
|
|---|
| 4710 | }
|
|---|
| 4711 |
|
|---|
| 4712 | /*
|
|---|
| 4713 | * Check that the entry is unused then insert it.
|
|---|
| 4714 | */
|
|---|
| 4715 | kHlpAssertReturn(pSandbox->papHandles[idxHandle] == NULL, K_FALSE);
|
|---|
| 4716 | pSandbox->papHandles[idxHandle] = pHandle;
|
|---|
| 4717 | pSandbox->cActiveHandles++;
|
|---|
| 4718 | return K_TRUE;
|
|---|
| 4719 | }
|
|---|
| 4720 |
|
|---|
| 4721 |
|
|---|
| 4722 |
|
|---|
| 4723 | static int kwSandboxInit(PKWSANDBOX pSandbox, PKWTOOL pTool,
|
|---|
| 4724 | KU32 cArgs, const char **papszArgs, KU32 cbArgs,
|
|---|
| 4725 | KU32 cEnvVars, const char **papszEnvVars)
|
|---|
| 4726 | {
|
|---|
| 4727 | PPEB pPeb = kwSandboxGetProcessEnvironmentBlock();
|
|---|
| 4728 | char *psz;
|
|---|
| 4729 | wchar_t *pwcPool;
|
|---|
| 4730 | KSIZE cbStrings;
|
|---|
| 4731 | KSIZE cwc;
|
|---|
| 4732 | KU32 i;
|
|---|
| 4733 |
|
|---|
| 4734 | /* Simple stuff. */
|
|---|
| 4735 | g_Sandbox.rcExitCode = 256;
|
|---|
| 4736 | g_Sandbox.pTool = pTool;
|
|---|
| 4737 | g_Sandbox.idMainThread = GetCurrentThreadId();
|
|---|
| 4738 | g_Sandbox.TibMainThread = *(PNT_TIB)NtCurrentTeb();
|
|---|
| 4739 | g_Sandbox.pgmptr = (char *)pTool->pszPath;
|
|---|
| 4740 | g_Sandbox.wpgmptr = (wchar_t *)pTool->pwszPath;
|
|---|
| 4741 | g_Sandbox.cArgs = cArgs;
|
|---|
| 4742 | g_Sandbox.papszArgs = (char **)papszArgs;
|
|---|
| 4743 |
|
|---|
| 4744 | /*
|
|---|
| 4745 | * Create a command line from the given argv.
|
|---|
| 4746 | * ASSUME that it's correctly quoted by quote_argv.c already.
|
|---|
| 4747 | */
|
|---|
| 4748 | pSandbox->pszCmdLine = psz = (char *)kHlpAlloc(cbArgs + 1);
|
|---|
| 4749 | if (!psz)
|
|---|
| 4750 | return KERR_NO_MEMORY;
|
|---|
| 4751 | psz = kHlpStrPCopy(psz, papszArgs[0]);
|
|---|
| 4752 | for (i = 1; i < cArgs; i++)
|
|---|
| 4753 | {
|
|---|
| 4754 | *psz++ = ' ';
|
|---|
| 4755 | psz = kHlpStrPCopy(psz, papszArgs[i]);
|
|---|
| 4756 | }
|
|---|
| 4757 | kHlpAssert((KSIZE)(&psz[1] - pSandbox->pszCmdLine) == cbArgs);
|
|---|
| 4758 | psz[0] = '\0';
|
|---|
| 4759 | psz[1] = '\0';
|
|---|
| 4760 |
|
|---|
| 4761 | /*
|
|---|
| 4762 | * Convert command line and argv to UTF-16.
|
|---|
| 4763 | * We assume each ANSI char requires a surrogate pair in the UTF-16 variant.
|
|---|
| 4764 | */
|
|---|
| 4765 | pSandbox->papwszArgs = (wchar_t **)kHlpAlloc(sizeof(wchar_t *) * (pSandbox->cArgs + 2) + cbArgs * 2 * sizeof(wchar_t));
|
|---|
| 4766 | if (!pSandbox->papwszArgs)
|
|---|
| 4767 | return KERR_NO_MEMORY;
|
|---|
| 4768 | pwcPool = (wchar_t *)&pSandbox->papwszArgs[pSandbox->cArgs + 2];
|
|---|
| 4769 | for (i = 0; i < cArgs; i++)
|
|---|
| 4770 | {
|
|---|
| 4771 | *pwcPool++ = pSandbox->papszArgs[i][-1]; /* flags */
|
|---|
| 4772 | pSandbox->papwszArgs[i] = pwcPool;
|
|---|
| 4773 | pwcPool += kwStrToUtf16(pSandbox->papszArgs[i], pwcPool, (strlen(pSandbox->papszArgs[i]) + 1) * 2);
|
|---|
| 4774 | pwcPool++;
|
|---|
| 4775 | }
|
|---|
| 4776 | pSandbox->papwszArgs[pSandbox->cArgs + 0] = NULL;
|
|---|
| 4777 | pSandbox->papwszArgs[pSandbox->cArgs + 1] = NULL;
|
|---|
| 4778 |
|
|---|
| 4779 | /*
|
|---|
| 4780 | * Convert the commandline string to UTF-16, same pessimistic approach as above.
|
|---|
| 4781 | */
|
|---|
| 4782 | cbStrings = (cbArgs + 1) * 2 * sizeof(wchar_t);
|
|---|
| 4783 | pSandbox->pwszCmdLine = kHlpAlloc(cbStrings);
|
|---|
| 4784 | if (!pSandbox->pwszCmdLine)
|
|---|
| 4785 | return KERR_NO_MEMORY;
|
|---|
| 4786 | cwc = kwStrToUtf16(pSandbox->pszCmdLine, pSandbox->pwszCmdLine, cbStrings / sizeof(wchar_t));
|
|---|
| 4787 |
|
|---|
| 4788 | pSandbox->SavedCommandLine = pPeb->ProcessParameters->CommandLine;
|
|---|
| 4789 | pPeb->ProcessParameters->CommandLine.Buffer = pSandbox->pwszCmdLine;
|
|---|
| 4790 | pPeb->ProcessParameters->CommandLine.Length = (USHORT)cwc * sizeof(wchar_t);
|
|---|
| 4791 |
|
|---|
| 4792 |
|
|---|
| 4793 | g_uFsCacheGeneration++;
|
|---|
| 4794 | if (g_uFsCacheGeneration == KFSWOBJ_CACHE_GEN_IGNORE)
|
|---|
| 4795 | g_uFsCacheGeneration++;
|
|---|
| 4796 | return 0;
|
|---|
| 4797 | }
|
|---|
| 4798 |
|
|---|
| 4799 |
|
|---|
| 4800 | static void kwSandboxCleanup(PKWSANDBOX pSandbox)
|
|---|
| 4801 | {
|
|---|
| 4802 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 4803 | PKWFSTEMPFILE pTempFile;
|
|---|
| 4804 | #endif
|
|---|
| 4805 | PPEB pPeb = kwSandboxGetProcessEnvironmentBlock();
|
|---|
| 4806 | pPeb->ProcessParameters->CommandLine = pSandbox->SavedCommandLine;
|
|---|
| 4807 | /** @todo lots more to do here! */
|
|---|
| 4808 |
|
|---|
| 4809 | #ifdef WITH_TEMP_MEMORY_FILES
|
|---|
| 4810 | pTempFile = pSandbox->pTempFileHead;
|
|---|
| 4811 | pSandbox->pTempFileHead = NULL;
|
|---|
| 4812 | while (pTempFile)
|
|---|
| 4813 | {
|
|---|
| 4814 | PKWFSTEMPFILE pNext = pTempFile->pNext;
|
|---|
| 4815 | KU32 iSeg = pTempFile->cSegs;
|
|---|
| 4816 | while (iSeg-- > 0)
|
|---|
| 4817 | kHlpPageFree(pTempFile->paSegs[iSeg].pbData, pTempFile->paSegs[iSeg].cbDataAlloc);
|
|---|
| 4818 | kHlpFree(pTempFile->paSegs);
|
|---|
| 4819 | pTempFile->pNext = NULL;
|
|---|
| 4820 | kHlpFree(pTempFile);
|
|---|
| 4821 |
|
|---|
| 4822 | pTempFile = pNext;
|
|---|
| 4823 | }
|
|---|
| 4824 | #endif
|
|---|
| 4825 |
|
|---|
| 4826 | }
|
|---|
| 4827 |
|
|---|
| 4828 |
|
|---|
| 4829 | static int kwSandboxExec(PKWTOOL pTool, KU32 cArgs, const char **papszArgs, KU32 cbArgs,
|
|---|
| 4830 | KU32 cEnvVars, const char **papszEnvVars)
|
|---|
| 4831 | {
|
|---|
| 4832 | int rcExit = 42;
|
|---|
| 4833 | int rc;
|
|---|
| 4834 |
|
|---|
| 4835 | /*
|
|---|
| 4836 | * Initialize the sandbox environment.
|
|---|
| 4837 | */
|
|---|
| 4838 | rc = kwSandboxInit(&g_Sandbox, pTool, cArgs, papszArgs, cbArgs, cEnvVars, papszEnvVars);
|
|---|
| 4839 | if (rc == 0)
|
|---|
| 4840 | {
|
|---|
| 4841 | /*
|
|---|
| 4842 | * Do module initialization.
|
|---|
| 4843 | */
|
|---|
| 4844 | kwSandboxResetModuleState(pTool->u.Sandboxed.pExe);
|
|---|
| 4845 | rc = kwLdrModuleInitTree(pTool->u.Sandboxed.pExe);
|
|---|
| 4846 | if (rc == 0)
|
|---|
| 4847 | {
|
|---|
| 4848 | /*
|
|---|
| 4849 | * Call the main function.
|
|---|
| 4850 | */
|
|---|
| 4851 | KUPTR uAddrMain;
|
|---|
| 4852 | rc = kwLdrModuleQueryMainEntrypoint(pTool->u.Sandboxed.pExe, &uAddrMain);
|
|---|
| 4853 | if (rc == 0)
|
|---|
| 4854 | {
|
|---|
| 4855 | int (*pfnWin64Entrypoint)(void *pvPeb, void *, void *, void *);
|
|---|
| 4856 | *(KUPTR *)&pfnWin64Entrypoint = uAddrMain;
|
|---|
| 4857 |
|
|---|
| 4858 | __try
|
|---|
| 4859 | {
|
|---|
| 4860 | if (setjmp(g_Sandbox.JmpBuf) == 0)
|
|---|
| 4861 | {
|
|---|
| 4862 | #if K_ARCH == K_ARCH_AMD64
|
|---|
| 4863 | *(KU64*)(g_Sandbox.JmpBuf) = 0; /** @todo find other way to prevent longjmp from doing unwind! */
|
|---|
| 4864 | #else
|
|---|
| 4865 | # error "Port me!"
|
|---|
| 4866 | #endif
|
|---|
| 4867 | rcExit = pfnWin64Entrypoint(kwSandboxGetProcessEnvironmentBlock(), NULL, NULL, NULL);
|
|---|
| 4868 | }
|
|---|
| 4869 | else
|
|---|
| 4870 | rcExit = g_Sandbox.rcExitCode;
|
|---|
| 4871 | }
|
|---|
| 4872 | __except (EXCEPTION_EXECUTE_HANDLER)
|
|---|
| 4873 | {
|
|---|
| 4874 | rcExit = 512;
|
|---|
| 4875 | }
|
|---|
| 4876 |
|
|---|
| 4877 | /*
|
|---|
| 4878 | * Restore the TIB and later some other stuff.
|
|---|
| 4879 | */
|
|---|
| 4880 | *(PNT_TIB)NtCurrentTeb() = g_Sandbox.TibMainThread;
|
|---|
| 4881 | }
|
|---|
| 4882 | else
|
|---|
| 4883 | rcExit = 42 + 5;
|
|---|
| 4884 | }
|
|---|
| 4885 | else
|
|---|
| 4886 | rcExit = 42 + 4;
|
|---|
| 4887 |
|
|---|
| 4888 | kwSandboxCleanup(&g_Sandbox);
|
|---|
| 4889 | }
|
|---|
| 4890 | else
|
|---|
| 4891 | rcExit = 42 + 3;
|
|---|
| 4892 |
|
|---|
| 4893 | return rcExit;
|
|---|
| 4894 | }
|
|---|
| 4895 |
|
|---|
| 4896 |
|
|---|
| 4897 | #if 0
|
|---|
| 4898 | static int kwExecCmdLine(const char *pszExe, const char *pszCmdLine)
|
|---|
| 4899 | {
|
|---|
| 4900 | int rc;
|
|---|
| 4901 | PKWTOOL pTool = kwToolLookup(pszExe);
|
|---|
| 4902 | if (pTool)
|
|---|
| 4903 | {
|
|---|
| 4904 | int rc;
|
|---|
| 4905 | int rcExitCode;
|
|---|
| 4906 | switch (pTool->enmType)
|
|---|
| 4907 | {
|
|---|
| 4908 | case KWTOOLTYPE_SANDBOXED:
|
|---|
| 4909 | KW_LOG(("Sandboxing tool %s\n", pTool->pszPath));
|
|---|
| 4910 | rc = kwSandboxExec(pTool, pszCmdLine, &rcExitCode);
|
|---|
| 4911 | break;
|
|---|
| 4912 |
|
|---|
| 4913 | case KWTOOLTYPE_WATCOM:
|
|---|
| 4914 | KW_LOG(("TODO: Watcom style tool %s\n", pTool->pszPath));
|
|---|
| 4915 | rc = rcExitCode = 2;
|
|---|
| 4916 | break;
|
|---|
| 4917 |
|
|---|
| 4918 | case KWTOOLTYPE_EXEC:
|
|---|
| 4919 | KW_LOG(("TODO: Direct exec tool %s\n", pTool->pszPath));
|
|---|
| 4920 | rc = rcExitCode = 2;
|
|---|
| 4921 | break;
|
|---|
| 4922 |
|
|---|
| 4923 | default:
|
|---|
| 4924 | kHlpAssertFailed();
|
|---|
| 4925 | rc = rcExitCode = 2;
|
|---|
| 4926 | break;
|
|---|
| 4927 | }
|
|---|
| 4928 | KW_LOG(("rcExitCode=%d (rc=%d)\n", rcExitCode, rc));
|
|---|
| 4929 | }
|
|---|
| 4930 | else
|
|---|
| 4931 | rc = 1;
|
|---|
| 4932 | return rc;
|
|---|
| 4933 | }
|
|---|
| 4934 | #endif
|
|---|
| 4935 |
|
|---|
| 4936 |
|
|---|
| 4937 | /**
|
|---|
| 4938 | * Part 2 of the "JOB" command handler.
|
|---|
| 4939 | *
|
|---|
| 4940 | * @returns The exit code of the job.
|
|---|
| 4941 | * @param pszExecutable The executable to execute.
|
|---|
| 4942 | * @param pszCwd The current working directory of the job.
|
|---|
| 4943 | * @param cArgs The number of arguments.
|
|---|
| 4944 | * @param papszArgs The argument vector.
|
|---|
| 4945 | * @param cbArgs The size of the argument strings and terminators.
|
|---|
| 4946 | * @param cEnvVars The number of environment variables.
|
|---|
| 4947 | * @param papszEnvVars The enviornment vector.
|
|---|
| 4948 | */
|
|---|
| 4949 | static int kSubmitHandleJobUnpacked(const char *pszExecutable, const char *pszCwd,
|
|---|
| 4950 | KU32 cArgs, const char **papszArgs, KU32 cbArgs,
|
|---|
| 4951 | KU32 cEnvVars, const char **papszEnvVars)
|
|---|
| 4952 | {
|
|---|
| 4953 | int rcExit;
|
|---|
| 4954 | PKWTOOL pTool;
|
|---|
| 4955 |
|
|---|
| 4956 | /*
|
|---|
| 4957 | * Lookup the tool.
|
|---|
| 4958 | */
|
|---|
| 4959 | pTool = kwToolLookup(pszExecutable);
|
|---|
| 4960 | if (pTool)
|
|---|
| 4961 | {
|
|---|
| 4962 | /*
|
|---|
| 4963 | * Change the directory if we're going to execute the job inside
|
|---|
| 4964 | * this process. Then invoke the tool type specific handler.
|
|---|
| 4965 | */
|
|---|
| 4966 | switch (pTool->enmType)
|
|---|
| 4967 | {
|
|---|
| 4968 | case KWTOOLTYPE_SANDBOXED:
|
|---|
| 4969 | case KWTOOLTYPE_WATCOM:
|
|---|
| 4970 | /** @todo cache this */
|
|---|
| 4971 | if (SetCurrentDirectoryA(pszCwd))
|
|---|
| 4972 | {
|
|---|
| 4973 | if (pTool->enmType == KWTOOLTYPE_SANDBOXED)
|
|---|
| 4974 | {
|
|---|
| 4975 | KW_LOG(("Sandboxing tool %s\n", pTool->pszPath));
|
|---|
| 4976 | rcExit = kwSandboxExec(pTool, cArgs, papszArgs, cbArgs, cEnvVars, papszEnvVars);
|
|---|
| 4977 | }
|
|---|
| 4978 | else
|
|---|
| 4979 | {
|
|---|
| 4980 | kwErrPrintf("TODO: Watcom style tool %s\n", pTool->pszPath);
|
|---|
| 4981 | rcExit = 42 + 2;
|
|---|
| 4982 | }
|
|---|
| 4983 | }
|
|---|
| 4984 | else
|
|---|
| 4985 | {
|
|---|
| 4986 | kwErrPrintf("SetCurrentDirectory failed with %u on '%s'\n", GetLastError(), pszCwd);
|
|---|
| 4987 | rcExit = 42 + 1;
|
|---|
| 4988 | }
|
|---|
| 4989 | break;
|
|---|
| 4990 |
|
|---|
| 4991 | case KWTOOLTYPE_EXEC:
|
|---|
| 4992 | kwErrPrintf("TODO: Direct exec tool %s\n", pTool->pszPath);
|
|---|
| 4993 | rcExit = 42 + 2;
|
|---|
| 4994 | break;
|
|---|
| 4995 |
|
|---|
| 4996 | default:
|
|---|
| 4997 | kHlpAssertFailed();
|
|---|
| 4998 | kwErrPrintf("Internal tool type corruption!!\n");
|
|---|
| 4999 | rcExit = 42 + 2;
|
|---|
| 5000 | g_fRestart = K_TRUE;
|
|---|
| 5001 | break;
|
|---|
| 5002 | }
|
|---|
| 5003 | }
|
|---|
| 5004 | else
|
|---|
| 5005 | rcExit = 42 + 1;
|
|---|
| 5006 | return rcExit;
|
|---|
| 5007 | }
|
|---|
| 5008 |
|
|---|
| 5009 |
|
|---|
| 5010 | /**
|
|---|
| 5011 | * Handles a "JOB" command.
|
|---|
| 5012 | *
|
|---|
| 5013 | * @returns The exit code of the job.
|
|---|
| 5014 | * @param pszMsg Points to the "JOB" command part of the message.
|
|---|
| 5015 | * @param cbMsg Number of message bytes at @a pszMsg. There are
|
|---|
| 5016 | * 4 more zero bytes after the message body to
|
|---|
| 5017 | * simplify parsing.
|
|---|
| 5018 | */
|
|---|
| 5019 | static int kSubmitHandleJob(const char *pszMsg, KSIZE cbMsg)
|
|---|
| 5020 | {
|
|---|
| 5021 | int rcExit = 42;
|
|---|
| 5022 |
|
|---|
| 5023 | /*
|
|---|
| 5024 | * Unpack the message.
|
|---|
| 5025 | */
|
|---|
| 5026 | const char *pszExecutable;
|
|---|
| 5027 | size_t cbTmp;
|
|---|
| 5028 |
|
|---|
| 5029 | pszMsg += sizeof("JOB");
|
|---|
| 5030 | cbMsg -= sizeof("JOB");
|
|---|
| 5031 |
|
|---|
| 5032 | /* Executable name. */
|
|---|
| 5033 | pszExecutable = pszMsg;
|
|---|
| 5034 | cbTmp = strlen(pszMsg) + 1;
|
|---|
| 5035 | pszMsg += cbTmp;
|
|---|
| 5036 | if ( cbTmp < cbMsg
|
|---|
| 5037 | && cbTmp > 2)
|
|---|
| 5038 | {
|
|---|
| 5039 | const char *pszCwd;
|
|---|
| 5040 | cbMsg -= cbTmp;
|
|---|
| 5041 |
|
|---|
| 5042 | /* Current working directory. */
|
|---|
| 5043 | pszCwd = pszMsg;
|
|---|
| 5044 | cbTmp = strlen(pszMsg) + 1;
|
|---|
| 5045 | pszMsg += cbTmp;
|
|---|
| 5046 | if ( cbTmp + sizeof(KU32) < cbMsg
|
|---|
| 5047 | && cbTmp >= 2)
|
|---|
| 5048 | {
|
|---|
| 5049 | KU32 cArgs;
|
|---|
| 5050 | cbMsg -= cbTmp;
|
|---|
| 5051 |
|
|---|
| 5052 | /* Argument count. */
|
|---|
| 5053 | kHlpMemCopy(&cArgs, pszMsg, sizeof(cArgs));
|
|---|
| 5054 | pszMsg += sizeof(cArgs);
|
|---|
| 5055 | cbMsg -= sizeof(cArgs);
|
|---|
| 5056 |
|
|---|
| 5057 | if (cArgs > 0 && cArgs < 4096)
|
|---|
| 5058 | {
|
|---|
| 5059 | /* The argument vector. */
|
|---|
| 5060 | char const **papszArgs = kHlpAlloc((cArgs + 1) * sizeof(papszArgs[0]));
|
|---|
| 5061 | if (papszArgs)
|
|---|
| 5062 | {
|
|---|
| 5063 | KU32 cbArgs;
|
|---|
| 5064 | KU32 i;
|
|---|
| 5065 | for (i = 0; i < cArgs; i++)
|
|---|
| 5066 | {
|
|---|
| 5067 | papszArgs[i] = pszMsg + 1; /* First byte is expansion flags for MSC & EMX. */
|
|---|
| 5068 | cbTmp = 1 + strlen(pszMsg + 1) + 1;
|
|---|
| 5069 | pszMsg += cbTmp;
|
|---|
| 5070 | if (cbTmp < cbMsg)
|
|---|
| 5071 | cbMsg -= cbTmp;
|
|---|
| 5072 | else
|
|---|
| 5073 | {
|
|---|
| 5074 | cbMsg = 0;
|
|---|
| 5075 | break;
|
|---|
| 5076 | }
|
|---|
| 5077 |
|
|---|
| 5078 | }
|
|---|
| 5079 | papszArgs[cArgs] = 0;
|
|---|
| 5080 | cbArgs = (KU32)(pszMsg - papszArgs[0]) - cArgs + 1;
|
|---|
| 5081 |
|
|---|
| 5082 | /* Environment variable count. */
|
|---|
| 5083 | if (sizeof(KU32) < cbMsg)
|
|---|
| 5084 | {
|
|---|
| 5085 | KU32 cEnvVars;
|
|---|
| 5086 | kHlpMemCopy(&cEnvVars, pszMsg, sizeof(cEnvVars));
|
|---|
| 5087 | pszMsg += sizeof(cEnvVars);
|
|---|
| 5088 | cbMsg -= sizeof(cEnvVars);
|
|---|
| 5089 |
|
|---|
| 5090 | if (cEnvVars >= 0 && cEnvVars < 4096)
|
|---|
| 5091 | {
|
|---|
| 5092 | /* The argument vector. */
|
|---|
| 5093 | char const **papszEnvVars = kHlpAlloc((cEnvVars + 1) * sizeof(papszEnvVars[0]));
|
|---|
| 5094 | if (papszEnvVars)
|
|---|
| 5095 | {
|
|---|
| 5096 | KU32 i;
|
|---|
| 5097 | for (i = 0; i < cEnvVars; i++)
|
|---|
| 5098 | {
|
|---|
| 5099 | papszEnvVars[i] = pszMsg;
|
|---|
| 5100 | cbTmp = strlen(pszMsg) + 1;
|
|---|
| 5101 | pszMsg += cbTmp;
|
|---|
| 5102 | if (cbTmp < cbMsg)
|
|---|
| 5103 | cbMsg -= cbTmp;
|
|---|
| 5104 | else
|
|---|
| 5105 | {
|
|---|
| 5106 | if ( cbTmp == cbMsg
|
|---|
| 5107 | && i + 1 == cEnvVars)
|
|---|
| 5108 | cbMsg = 0;
|
|---|
| 5109 | else
|
|---|
| 5110 | cbMsg = KSIZE_MAX;
|
|---|
| 5111 | break;
|
|---|
| 5112 | }
|
|---|
| 5113 | }
|
|---|
| 5114 | papszEnvVars[cEnvVars] = 0;
|
|---|
| 5115 | if (cbMsg != KSIZE_MAX)
|
|---|
| 5116 | {
|
|---|
| 5117 | if (cbMsg == 0)
|
|---|
| 5118 | {
|
|---|
| 5119 | /*
|
|---|
| 5120 | * The next step.
|
|---|
| 5121 | */
|
|---|
| 5122 | rcExit = kSubmitHandleJobUnpacked(pszExecutable, pszCwd,
|
|---|
| 5123 | cArgs, papszArgs, cbArgs,
|
|---|
| 5124 | cEnvVars, papszEnvVars);
|
|---|
| 5125 | }
|
|---|
| 5126 | else
|
|---|
| 5127 | kwErrPrintf("Message has %u bytes unknown trailing bytes\n", cbMsg);
|
|---|
| 5128 | }
|
|---|
| 5129 | else
|
|---|
| 5130 | kwErrPrintf("Detected bogus message unpacking environment variables!\n");
|
|---|
| 5131 | kHlpFree((void *)papszEnvVars);
|
|---|
| 5132 | }
|
|---|
| 5133 | else
|
|---|
| 5134 | kwErrPrintf("Error allocating papszEnvVars for %u variables\n", cEnvVars);
|
|---|
| 5135 | }
|
|---|
| 5136 | else
|
|---|
| 5137 | kwErrPrintf("Bogus environment variable count: %u (%#x)\n", cEnvVars, cEnvVars);
|
|---|
| 5138 | }
|
|---|
| 5139 | else
|
|---|
| 5140 | kwErrPrintf("Detected bogus message unpacking arguments and environment variable count!\n");
|
|---|
| 5141 | kHlpFree((void *)papszArgs);
|
|---|
| 5142 | }
|
|---|
| 5143 | else
|
|---|
| 5144 | kwErrPrintf("Error allocating argv for %u arguments\n", cArgs);
|
|---|
| 5145 | }
|
|---|
| 5146 | else
|
|---|
| 5147 | kwErrPrintf("Bogus argument count: %u (%#x)\n", cArgs, cArgs);
|
|---|
| 5148 | }
|
|---|
| 5149 | else
|
|---|
| 5150 | kwErrPrintf("Detected bogus message unpacking CWD path and argument count!\n");
|
|---|
| 5151 | }
|
|---|
| 5152 | else
|
|---|
| 5153 | kwErrPrintf("Detected bogus message unpacking executable path!\n");
|
|---|
| 5154 | return rcExit;
|
|---|
| 5155 | }
|
|---|
| 5156 |
|
|---|
| 5157 |
|
|---|
| 5158 | /**
|
|---|
| 5159 | * Wrapper around WriteFile / write that writes the whole @a cbToWrite.
|
|---|
| 5160 | *
|
|---|
| 5161 | * @retval 0 on success.
|
|---|
| 5162 | * @retval -1 on error (fully bitched).
|
|---|
| 5163 | *
|
|---|
| 5164 | * @param hPipe The pipe handle.
|
|---|
| 5165 | * @param pvBuf The buffer to write out out.
|
|---|
| 5166 | * @param cbToWrite The number of bytes to write.
|
|---|
| 5167 | */
|
|---|
| 5168 | static int kSubmitWriteIt(HANDLE hPipe, const void *pvBuf, KU32 cbToWrite)
|
|---|
| 5169 | {
|
|---|
| 5170 | KU8 const *pbBuf = (KU8 const *)pvBuf;
|
|---|
| 5171 | KU32 cbLeft = cbToWrite;
|
|---|
| 5172 | for (;;)
|
|---|
| 5173 | {
|
|---|
| 5174 | DWORD cbActuallyWritten = 0;
|
|---|
| 5175 | if (WriteFile(hPipe, pbBuf, cbLeft, &cbActuallyWritten, NULL /*pOverlapped*/))
|
|---|
| 5176 | {
|
|---|
| 5177 | cbLeft -= cbActuallyWritten;
|
|---|
| 5178 | if (!cbLeft)
|
|---|
| 5179 | return 0;
|
|---|
| 5180 | pbBuf += cbActuallyWritten;
|
|---|
| 5181 | }
|
|---|
| 5182 | else
|
|---|
| 5183 | {
|
|---|
| 5184 | DWORD dwErr = GetLastError();
|
|---|
| 5185 | if (cbLeft == cbToWrite)
|
|---|
| 5186 | kwErrPrintf("WriteFile failed: %u\n", dwErr);
|
|---|
| 5187 | else
|
|---|
| 5188 | kwErrPrintf("WriteFile failed %u byte(s) in: %u\n", cbToWrite - cbLeft, dwErr);
|
|---|
| 5189 | return -1;
|
|---|
| 5190 | }
|
|---|
| 5191 | }
|
|---|
| 5192 | }
|
|---|
| 5193 |
|
|---|
| 5194 |
|
|---|
| 5195 | /**
|
|---|
| 5196 | * Wrapper around ReadFile / read that reads the whole @a cbToRead.
|
|---|
| 5197 | *
|
|---|
| 5198 | * @retval 0 on success.
|
|---|
| 5199 | * @retval 1 on shut down (fShutdownOkay must be K_TRUE).
|
|---|
| 5200 | * @retval -1 on error (fully bitched).
|
|---|
| 5201 | * @param hPipe The pipe handle.
|
|---|
| 5202 | * @param pvBuf The buffer to read into.
|
|---|
| 5203 | * @param cbToRead The number of bytes to read.
|
|---|
| 5204 | * @param fShutdownOkay Whether connection shutdown while reading the
|
|---|
| 5205 | * first byte is okay or not.
|
|---|
| 5206 | */
|
|---|
| 5207 | static int kSubmitReadIt(HANDLE hPipe, void *pvBuf, KU32 cbToRead, KBOOL fMayShutdown)
|
|---|
| 5208 | {
|
|---|
| 5209 | KU8 *pbBuf = (KU8 *)pvBuf;
|
|---|
| 5210 | KU32 cbLeft = cbToRead;
|
|---|
| 5211 | for (;;)
|
|---|
| 5212 | {
|
|---|
| 5213 | DWORD cbActuallyRead = 0;
|
|---|
| 5214 | if (ReadFile(hPipe, pbBuf, cbLeft, &cbActuallyRead, NULL /*pOverlapped*/))
|
|---|
| 5215 | {
|
|---|
| 5216 | cbLeft -= cbActuallyRead;
|
|---|
| 5217 | if (!cbLeft)
|
|---|
| 5218 | return 0;
|
|---|
| 5219 | pbBuf += cbActuallyRead;
|
|---|
| 5220 | }
|
|---|
| 5221 | else
|
|---|
| 5222 | {
|
|---|
| 5223 | DWORD dwErr = GetLastError();
|
|---|
| 5224 | if (cbLeft == cbToRead)
|
|---|
| 5225 | {
|
|---|
| 5226 | if ( fMayShutdown
|
|---|
| 5227 | && dwErr == ERROR_BROKEN_PIPE)
|
|---|
| 5228 | return 1;
|
|---|
| 5229 | kwErrPrintf("ReadFile failed: %u\n", dwErr);
|
|---|
| 5230 | }
|
|---|
| 5231 | else
|
|---|
| 5232 | kwErrPrintf("ReadFile failed %u byte(s) in: %u\n", cbToRead - cbLeft, dwErr);
|
|---|
| 5233 | return -1;
|
|---|
| 5234 | }
|
|---|
| 5235 | }
|
|---|
| 5236 | }
|
|---|
| 5237 |
|
|---|
| 5238 |
|
|---|
| 5239 | int main(int argc, char **argv)
|
|---|
| 5240 | {
|
|---|
| 5241 | #if 1
|
|---|
| 5242 | KSIZE cbMsgBuf = 0;
|
|---|
| 5243 | KU8 *pbMsgBuf = NULL;
|
|---|
| 5244 | int i;
|
|---|
| 5245 | HANDLE hPipe = INVALID_HANDLE_VALUE;
|
|---|
| 5246 |
|
|---|
| 5247 |
|
|---|
| 5248 | /*
|
|---|
| 5249 | * Parse arguments.
|
|---|
| 5250 | */
|
|---|
| 5251 | for (i = 1; i < argc; i++)
|
|---|
| 5252 | {
|
|---|
| 5253 | if (strcmp(argv[i], "--pipe") == 0)
|
|---|
| 5254 | {
|
|---|
| 5255 | i++;
|
|---|
| 5256 | if (i < argc)
|
|---|
| 5257 | {
|
|---|
| 5258 | char *pszEnd = NULL;
|
|---|
| 5259 | unsigned __int64 u64Value = _strtoui64(argv[i], &pszEnd, 16);
|
|---|
| 5260 | if ( *argv[i]
|
|---|
| 5261 | && pszEnd != NULL
|
|---|
| 5262 | && *pszEnd == '\0'
|
|---|
| 5263 | && u64Value != 0
|
|---|
| 5264 | && u64Value != (uintptr_t)INVALID_HANDLE_VALUE
|
|---|
| 5265 | && (uintptr_t)u64Value == u64Value)
|
|---|
| 5266 | hPipe = (HANDLE)(uintptr_t)u64Value;
|
|---|
| 5267 | else
|
|---|
| 5268 | {
|
|---|
| 5269 | kwErrPrintf("Invalid --pipe argument: %s\n", argv[i]);
|
|---|
| 5270 | return 2;
|
|---|
| 5271 | }
|
|---|
| 5272 | }
|
|---|
| 5273 | else
|
|---|
| 5274 | {
|
|---|
| 5275 | kwErrPrintf("--pipe takes an argument!\n");
|
|---|
| 5276 | return 2;
|
|---|
| 5277 | }
|
|---|
| 5278 | }
|
|---|
| 5279 | else if ( strcmp(argv[i], "--help") == 0
|
|---|
| 5280 | || strcmp(argv[i], "-h") == 0
|
|---|
| 5281 | || strcmp(argv[i], "-?") == 0)
|
|---|
| 5282 | {
|
|---|
| 5283 | printf("usage: kWorker --pipe <pipe-handle>\n"
|
|---|
| 5284 | "usage: kWorker <--help|-h>\n"
|
|---|
| 5285 | "usage: kWorker <--version|-V>\n"
|
|---|
| 5286 | "\n"
|
|---|
| 5287 | "This is an internal kmk program that is used via the builtin_kSubmit.\n");
|
|---|
| 5288 | return 0;
|
|---|
| 5289 | }
|
|---|
| 5290 | else if ( strcmp(argv[i], "--version") == 0
|
|---|
| 5291 | || strcmp(argv[i], "-V") == 0)
|
|---|
| 5292 | return kbuild_version(argv[0]);
|
|---|
| 5293 | else
|
|---|
| 5294 | {
|
|---|
| 5295 | kwErrPrintf("Unknown argument '%s'\n", argv[i]);
|
|---|
| 5296 | return 2;
|
|---|
| 5297 | }
|
|---|
| 5298 | }
|
|---|
| 5299 |
|
|---|
| 5300 | if (hPipe == INVALID_HANDLE_VALUE)
|
|---|
| 5301 | {
|
|---|
| 5302 | kwErrPrintf("Missing --pipe <pipe-handle> argument!\n");
|
|---|
| 5303 | return 2;
|
|---|
| 5304 | }
|
|---|
| 5305 |
|
|---|
| 5306 | /*
|
|---|
| 5307 | * Serve the pipe.
|
|---|
| 5308 | */
|
|---|
| 5309 | for (;;)
|
|---|
| 5310 | {
|
|---|
| 5311 | KU32 cbMsg = 0;
|
|---|
| 5312 | int rc = kSubmitReadIt(hPipe, &cbMsg, sizeof(cbMsg), K_TRUE /*fShutdownOkay*/);
|
|---|
| 5313 | if (rc == 0)
|
|---|
| 5314 | {
|
|---|
| 5315 | /* Make sure the message length is within sane bounds. */
|
|---|
| 5316 | if ( cbMsg > 4
|
|---|
| 5317 | && cbMsg <= 256*1024*1024)
|
|---|
| 5318 | {
|
|---|
| 5319 | /* Reallocate the message buffer if necessary. We add 4 zero bytes. */
|
|---|
| 5320 | if (cbMsg + 4 <= cbMsgBuf)
|
|---|
| 5321 | { /* likely */ }
|
|---|
| 5322 | else
|
|---|
| 5323 | {
|
|---|
| 5324 | cbMsgBuf = K_ALIGN_Z(cbMsg + 4, 2048);
|
|---|
| 5325 | pbMsgBuf = kHlpRealloc(pbMsgBuf, cbMsgBuf);
|
|---|
| 5326 | if (!pbMsgBuf)
|
|---|
| 5327 | {
|
|---|
| 5328 | kwErrPrintf("Failed to allocate %u bytes for a message buffer!\n", cbMsgBuf);
|
|---|
| 5329 | return 1;
|
|---|
| 5330 | }
|
|---|
| 5331 | }
|
|---|
| 5332 |
|
|---|
| 5333 | /* Read the whole message into the buffer, making sure there is are a 4 zero bytes following it. */
|
|---|
| 5334 | *(KU32 *)pbMsgBuf = cbMsg;
|
|---|
| 5335 | rc = kSubmitReadIt(hPipe, &pbMsgBuf[sizeof(cbMsg)], cbMsg - sizeof(cbMsg), K_FALSE /*fShutdownOkay*/);
|
|---|
| 5336 | if (rc == 0)
|
|---|
| 5337 | {
|
|---|
| 5338 | const char *psz;
|
|---|
| 5339 |
|
|---|
| 5340 | pbMsgBuf[cbMsg] = '\0';
|
|---|
| 5341 | pbMsgBuf[cbMsg + 1] = '\0';
|
|---|
| 5342 | pbMsgBuf[cbMsg + 2] = '\0';
|
|---|
| 5343 | pbMsgBuf[cbMsg + 3] = '\0';
|
|---|
| 5344 |
|
|---|
| 5345 | /* The first string after the header is the command. */
|
|---|
| 5346 | psz = (const char *)&pbMsgBuf[sizeof(cbMsg)];
|
|---|
| 5347 | if (strcmp(psz, "JOB") == 0)
|
|---|
| 5348 | {
|
|---|
| 5349 | struct
|
|---|
| 5350 | {
|
|---|
| 5351 | KI32 rcExitCode;
|
|---|
| 5352 | KU8 bExiting;
|
|---|
| 5353 | KU8 abZero[3];
|
|---|
| 5354 | } Reply;
|
|---|
| 5355 | Reply.rcExitCode = kSubmitHandleJob(psz, cbMsg - sizeof(cbMsg));
|
|---|
| 5356 | Reply.bExiting = g_fRestart;
|
|---|
| 5357 | Reply.abZero[0] = 0;
|
|---|
| 5358 | Reply.abZero[1] = 0;
|
|---|
| 5359 | Reply.abZero[2] = 0;
|
|---|
| 5360 | rc = kSubmitWriteIt(hPipe, &Reply, sizeof(Reply));
|
|---|
| 5361 | if ( rc == 0
|
|---|
| 5362 | && !g_fRestart)
|
|---|
| 5363 | continue;
|
|---|
| 5364 | }
|
|---|
| 5365 | else
|
|---|
| 5366 | {
|
|---|
| 5367 | kwErrPrintf("Unknown command: '%s'\n", psz);
|
|---|
| 5368 | rc = -1;
|
|---|
| 5369 | }
|
|---|
| 5370 | }
|
|---|
| 5371 | }
|
|---|
| 5372 | else
|
|---|
| 5373 | {
|
|---|
| 5374 | kwErrPrintf("Bogus message length: %u (%#x)\n", cbMsg, cbMsg);
|
|---|
| 5375 | rc = -1;
|
|---|
| 5376 | }
|
|---|
| 5377 | }
|
|---|
| 5378 | return rc > 0 ? 0 : 1;
|
|---|
| 5379 | }
|
|---|
| 5380 |
|
|---|
| 5381 | #else
|
|---|
| 5382 | int rc = 0;
|
|---|
| 5383 | int i;
|
|---|
| 5384 | 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";
|
|---|
| 5385 | # if 0
|
|---|
| 5386 | rc = kwExecCmdLine(argv[1], argv[2]);
|
|---|
| 5387 | rc = kwExecCmdLine(argv[1], argv[2]);
|
|---|
| 5388 | K_NOREF(i);
|
|---|
| 5389 | # else
|
|---|
| 5390 | // Skylake (W10/amd64, only stdandard MS defender):
|
|---|
| 5391 | // cmd 1: 48 /1024 = 0x0 (0.046875) [for /l %i in (1,1,1024) do ...]
|
|---|
| 5392 | // kmk 1: 44 /1024 = 0x0 (0.04296875) [all: ; 1024 x cl.exe]
|
|---|
| 5393 | // run 1: 37 /1024 = 0x0 (0.0361328125) [just process creation gain]
|
|---|
| 5394 | // run 2: 34 /1024 = 0x0 (0.033203125) [get file attribs]
|
|---|
| 5395 | // run 3: 32.77 /1024 = 0x0 (0.032001953125) [read caching of headers]
|
|---|
| 5396 | // run 4: 32.67 /1024 = 0x0 (0.031904296875) [loader tweaking]
|
|---|
| 5397 | // run 5: 29.144/1024 = 0x0 (0.0284609375) [with temp files in memory]
|
|---|
| 5398 | // Dell (W7/amd64, infected by mcafee):
|
|---|
| 5399 | // kmk 1: 285.278/1024 = 0x0 (0.278591796875)
|
|---|
| 5400 | // run 1: 134.503/1024 = 0x0 (0.1313505859375) [w/o temp files in memory]
|
|---|
| 5401 | // run 2: 78.161/1024 = 0x0 (0.0763291015625) [with temp files in memory]
|
|---|
| 5402 | g_cVerbose = 0;
|
|---|
| 5403 | for (i = 0; i < 1024 && rc == 0; i++)
|
|---|
| 5404 | rc = kwExecCmdLine(argv[1], argv[2]);
|
|---|
| 5405 | # endif
|
|---|
| 5406 | return rc;
|
|---|
| 5407 |
|
|---|
| 5408 | #endif
|
|---|
| 5409 | }
|
|---|
| 5410 |
|
|---|