[3655] | 1 | /** $Id: VBoxSFFind.cpp 93073 2021-12-24 01:44:58Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VBoxSF - OS/2 Shared Folders, Find File IFS EPs.
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| 4 | */
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| 5 |
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| 6 | /*
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[75337] | 7 | * Copyright (c) 2007-2018 knut st. osmundsen <bird-src-spam@anduin.net>
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[3655] | 8 | *
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| 9 | * Permission is hereby granted, free of charge, to any person
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| 10 | * obtaining a copy of this software and associated documentation
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| 11 | * files (the "Software"), to deal in the Software without
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| 12 | * restriction, including without limitation the rights to use,
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| 13 | * copy, modify, merge, publish, distribute, sublicense, and/or sell
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| 14 | * copies of the Software, and to permit persons to whom the
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| 15 | * Software is furnished to do so, subject to the following
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| 16 | * conditions:
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| 17 | *
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| 18 | * The above copyright notice and this permission notice shall be
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| 19 | * included in all copies or substantial portions of the Software.
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| 20 | *
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| 21 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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| 22 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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| 23 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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| 24 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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| 25 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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| 26 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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| 27 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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| 28 | * OTHER DEALINGS IN THE SOFTWARE.
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| 29 | */
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| 30 |
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| 31 |
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[57358] | 32 | /*********************************************************************************************************************************
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| 33 | * Header Files *
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| 34 | *********************************************************************************************************************************/
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[3655] | 35 | #define LOG_GROUP LOG_GROUP_DEFAULT
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| 36 | #include "VBoxSFInternal.h"
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| 37 |
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| 38 | #include <VBox/log.h>
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[75337] | 39 | #include <iprt/asm.h>
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[3655] | 40 | #include <iprt/assert.h>
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[75337] | 41 | #include <iprt/mem.h>
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| 42 | #include <iprt/path.h>
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| 43 | #include <iprt/err.h>
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[3655] | 44 |
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| 45 |
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[75337] | 46 |
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| 47 | /**
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| 48 | * Checks if the given name is 8-dot-3 compatible.
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| 49 | *
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| 50 | * @returns true if compatible, false if not.
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[76108] | 51 | * @param pwszName The name to inspect (UTF-16).
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| 52 | * @param cwcName The length of the name.
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| 53 | * @param pszTmp Buffer for test conversions.
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| 54 | * @param cbTmp The size of the buffer.
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[75337] | 55 | */
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[76108] | 56 | static bool vboxSfOs2IsUtf16Name8dot3(PRTUTF16 pwszName, size_t cwcName, char *pszTmp, size_t cbTmp)
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[3655] | 57 | {
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[76108] | 58 | /* Reject names that must be too long. */
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| 59 | if (cwcName > 8 + 1 + 3)
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[75337] | 60 | return false;
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| 61 |
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[76108] | 62 | /* First char cannot be a dot, nor can it be an empty string. */
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| 63 | if (*pwszName == '.' || !*pwszName)
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[75337] | 64 | return false;
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| 65 |
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| 66 | /*
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| 67 | * To basic checks on code point level before doing full conversion.
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| 68 | */
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[76108] | 69 | for (unsigned off = 0; ; off++)
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[75337] | 70 | {
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[76108] | 71 | RTUTF16 wc = pwszName[off];
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| 72 | if (wc == '.')
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[75337] | 73 | {
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[76108] | 74 | unsigned const offMax = off + 3;
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| 75 | for (++off;; off++)
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[75337] | 76 | {
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[76108] | 77 | wc = pwszName[off];
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| 78 | if (!wc)
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[75337] | 79 | break;
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[76108] | 80 | if (wc == '.')
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[75337] | 81 | return false;
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[84484] | 82 | if (off > offMax)
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[75337] | 83 | return false;
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| 84 | }
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| 85 | break;
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| 86 | }
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[76108] | 87 | if (!wc)
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[75337] | 88 | break;
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[76108] | 89 | if (off >= 8)
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[75337] | 90 | return false;
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| 91 | }
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| 92 |
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| 93 | /*
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[84484] | 94 | * Convert to the native code page.
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[75337] | 95 | */
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[77640] | 96 | APIRET rc = SafeKernStrFromUcs(NULL, pszTmp, pwszName, cbTmp, cwcName);
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[76108] | 97 | if (rc != NO_ERROR)
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[75337] | 98 | {
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[77640] | 99 | LogRel(("vboxSfOs2IsUtf8Name8dot3: SafeKernStrFromUcs failed: %d\n", rc));
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[76108] | 100 | return false;
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[75337] | 101 | }
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[3655] | 102 |
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[76108] | 103 | /*
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| 104 | * Redo the check.
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| 105 | * Note! This could be bogus if a DBCS leadin sequence collides with '.'.
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| 106 | */
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| 107 | for (unsigned cch = 0; ; cch++)
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[75337] | 108 | {
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[76108] | 109 | char ch = *pszTmp++;
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| 110 | if (ch == '.')
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| 111 | break;
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| 112 | if (ch == '\0')
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| 113 | return true;
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| 114 | if (cch >= 8)
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| 115 | return false;
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[75337] | 116 | }
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[76108] | 117 | for (unsigned cch = 0; ; cch++)
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| 118 | {
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| 119 | char ch = *pszTmp++;
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| 120 | if (ch == '\0')
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| 121 | return true;
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[84484] | 122 | if (ch == '.')
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[76108] | 123 | return false;
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| 124 | if (cch >= 3)
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| 125 | return false;
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| 126 | }
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[3655] | 127 | }
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| 128 |
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| 129 |
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[75337] | 130 | /**
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| 131 | * @returns Updated pbDst on success, NULL on failure.
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| 132 | */
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[76108] | 133 | static uint8_t *vboxSfOs2CopyUtf16Name(uint8_t *pbDst, PRTUTF16 pwszSrc, size_t cwcSrc)
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[3655] | 134 | {
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[76108] | 135 | char *pszDst = (char *)pbDst + 1;
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[77640] | 136 | APIRET rc = SafeKernStrFromUcs(NULL, pszDst, pwszSrc, CCHMAXPATHCOMP, cwcSrc);
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[76108] | 137 | if (rc == NO_ERROR)
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[75337] | 138 | {
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[76108] | 139 | size_t cchDst = strlen(pszDst);
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| 140 | *pbDst++ = (uint8_t)cchDst;
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| 141 | pbDst += cchDst;
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| 142 | *pbDst++ = '\0';
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| 143 | return pbDst;
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[75337] | 144 | }
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[77640] | 145 | LogRel(("vboxSfOs2CopyUtf8Name: SafeKernStrFromUcs failed: %d\n", rc));
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[75337] | 146 | return NULL;
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[3655] | 147 | }
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| 148 |
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| 149 |
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[75337] | 150 | /**
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| 151 | * @returns Updated pbDst on success, NULL on failure.
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| 152 | */
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| 153 | static uint8_t *vboxSfOs2CopyUtf16NameAndUpperCase(uint8_t *pbDst, PRTUTF16 pwszSrc, size_t cwcSrc)
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[3655] | 154 | {
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[75337] | 155 | char *pszDst = (char *)(pbDst + 1);
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[77640] | 156 | APIRET rc = SafeKernStrFromUcs(NULL, pszDst, RTUtf16ToUpper(pwszSrc), CCHMAXPATHCOMP, cwcSrc);
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[75337] | 157 | if (rc == NO_ERROR)
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| 158 | {
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| 159 | size_t cchDst = strlen(pszDst);
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| 160 | *pbDst++ = (uint8_t)cchDst;
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| 161 | pbDst += cchDst;
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| 162 | *pbDst++ = '\0';
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| 163 | return pbDst;
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| 164 | }
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[77640] | 165 | LogRel(("vboxSfOs2CopyUtf16NameAndUpperCase: SafeKernStrFromUcs failed: %#x\n", rc));
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[75337] | 166 | return NULL;
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[3655] | 167 | }
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| 168 |
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| 169 |
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| 170 |
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[75337] | 171 | /**
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| 172 | * Worker for FS32_FINDFIRST, FS32_FINDNEXT and FS32_FINDFROMNAME.
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| 173 | *
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| 174 | * @returns OS/2 status code.
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| 175 | * @param pFolder The folder we're working on.
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| 176 | * @param pFsFsd The search handle data.
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| 177 | * @param pDataBuf The search data buffer (some handle data there too).
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| 178 | * @param uLevel The info level to return.
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| 179 | * @param fFlags Position flag.
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| 180 | * @param pbData The output buffer.
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| 181 | * @param cbData The size of the output buffer.
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| 182 | * @param cMaxMatches The maximum number of matches to return.
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| 183 | * @param pcMatches Where to set the number of returned matches.
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| 184 | */
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| 185 | static APIRET vboxSfOs2ReadDirEntries(PVBOXSFFOLDER pFolder, PVBOXSFFS pFsFsd, PVBOXSFFSBUF pDataBuf, ULONG uLevel, ULONG fFlags,
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| 186 | PBYTE pbData, ULONG cbData, USHORT cMaxMatches, PUSHORT pcMatches)
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| 187 | {
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| 188 | APIRET rc = NO_ERROR;
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[3655] | 189 |
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[75337] | 190 | /*
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| 191 | * If we're doing EAs, the buffer starts with an EAOP structure.
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| 192 | */
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| 193 | EAOP EaOp;
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[75461] | 194 | PEAOP pEaOpUser = NULL; /* Shut up gcc */
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[75337] | 195 | switch (uLevel)
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| 196 | {
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| 197 | case FI_LVL_EAS_FROM_LIST:
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| 198 | case FI_LVL_EAS_FROM_LIST_64:
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| 199 | case FI_LVL_EAS_FULL:
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| 200 | case FI_LVL_EAS_FULL_5:
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| 201 | case FI_LVL_EAS_FULL_8:
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| 202 | if (cbData >= sizeof(EaOp))
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| 203 | {
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| 204 | rc = KernCopyIn(&EaOp, pbData, sizeof(EaOp));
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| 205 | if (rc == NO_ERROR)
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| 206 | {
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| 207 | EaOp.fpGEAList = (PGEALIST)KernSelToFlat((uintptr_t)EaOp.fpGEAList);
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| 208 | EaOp.fpFEAList = NULL;
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[3655] | 209 |
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[75337] | 210 | pEaOpUser = (PEAOP)pbData;
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| 211 | pbData += sizeof(*pEaOpUser);
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| 212 | cbData -= sizeof(*pEaOpUser);
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| 213 | break;
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| 214 | }
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| 215 | }
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| 216 | else
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| 217 | rc = ERROR_BUFFER_OVERFLOW;
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| 218 | Log(("vboxSfOs2ReadDirEntries: Failed to read EAOP: %u\n", rc));
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| 219 | return rc;
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| 220 | }
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| 221 |
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| 222 | /*
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| 223 | * Do the reading.
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| 224 | */
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| 225 | USHORT cMatches;
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| 226 | for (cMatches = 0; cMatches < cMaxMatches;)
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| 227 | {
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| 228 | /*
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| 229 | * Do we need to fetch more directory entries?
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| 230 | */
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| 231 | PSHFLDIRINFO pEntry = pDataBuf->pEntry;
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| 232 | if ( pDataBuf->cEntriesLeft == 0
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| 233 | || pEntry == NULL /* paranoia */)
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| 234 | {
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[76665] | 235 | pDataBuf->pEntry = pEntry = pDataBuf->pBuf;
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[76716] | 236 | int vrc = VbglR0SfHostReqListDir(pFolder->idHostRoot, &pDataBuf->Req, pFsFsd->hHostDir, pDataBuf->pFilter,
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| 237 | /*cMaxMatches == 1 ? SHFL_LIST_RETURN_ONE :*/ 0, pDataBuf->pBuf, pDataBuf->cbBuf);
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[75337] | 238 | if (RT_SUCCESS(vrc))
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| 239 | {
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[76665] | 240 | pDataBuf->cEntriesLeft = pDataBuf->Req.Parms.c32Entries.u.value32;
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| 241 | pDataBuf->cbValid = pDataBuf->Req.Parms.cb32Buffer.u.value32;
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| 242 | //Log(("%.*Rhxd\n", pDataBuf->cbValid, pEntry));
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[75337] | 243 | AssertReturn(pDataBuf->cbValid >= RT_UOFFSETOF(SHFLDIRINFO, name.String), ERROR_SYS_INTERNAL);
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| 244 | AssertReturn(pDataBuf->cbValid >= RT_UOFFSETOF(SHFLDIRINFO, name.String) + pEntry->name.u16Size, ERROR_SYS_INTERNAL);
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[76716] | 245 | Log4(("vboxSfOs2ReadDirEntries: VbglR0SfHostReqListDir returned %#x matches in %#x bytes\n", pDataBuf->cEntriesLeft, pDataBuf->cbValid));
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[75337] | 246 | }
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| 247 | else
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| 248 | {
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| 249 | if (vrc == VERR_NO_MORE_FILES)
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[76716] | 250 | Log4(("vboxSfOs2ReadDirEntries: VbglR0SfHostReqListDir returned VERR_NO_MORE_FILES (%d,%d)\n",
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[76665] | 251 | pDataBuf->Req.Parms.c32Entries.u.value32, pDataBuf->Req.Parms.cb32Buffer.u.value32));
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[75337] | 252 | else
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[76716] | 253 | Log(("vboxSfOs2ReadDirEntries: VbglR0SfHostReqListDir failed %Rrc (%d,%d)\n", vrc,
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[76665] | 254 | pDataBuf->Req.Parms.c32Entries.u.value32, pDataBuf->Req.Parms.cb32Buffer.u.value32));
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[75337] | 255 | pDataBuf->pEntry = NULL;
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| 256 | pDataBuf->cEntriesLeft = 0;
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[76665] | 257 | pDataBuf->cbValid = 0;
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[75337] | 258 | if (cMatches == 0)
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| 259 | {
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| 260 | if (vrc == VERR_NO_MORE_FILES)
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| 261 | rc = ERROR_NO_MORE_FILES;
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| 262 | else
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| 263 | rc = vboxSfOs2ConvertStatusToOs2(vrc, ERROR_GEN_FAILURE);
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| 264 | }
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| 265 | break;
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| 266 | }
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| 267 | }
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| 268 |
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| 269 | /*
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| 270 | * Do matching and stuff the return buffer.
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| 271 | */
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| 272 | if ( !((pEntry->Info.Attr.fMode >> RTFS_DOS_SHIFT) & pDataBuf->fExcludedAttribs)
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| 273 | && ((pEntry->Info.Attr.fMode >> RTFS_DOS_SHIFT) & pDataBuf->fMustHaveAttribs) == pDataBuf->fMustHaveAttribs
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| 274 | && ( pDataBuf->fLongFilenames
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| 275 | || pEntry->cucShortName
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[76108] | 276 | || vboxSfOs2IsUtf16Name8dot3(pEntry->name.String.utf16, pEntry->name.u16Length / sizeof(RTUTF16),
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| 277 | (char *)pDataBuf->abStaging, sizeof(pDataBuf->abStaging))))
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[75337] | 278 | {
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| 279 | /*
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| 280 | * We stages all but FEAs (level 3, 4, 13 and 14).
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| 281 | */
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| 282 | PBYTE const pbUserBufStart = pbData; /* In case we need to skip a bad name. */
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| 283 | uint8_t *pbToCopy = pDataBuf->abStaging;
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| 284 | uint8_t *pbDst = pbToCopy;
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| 285 |
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| 286 | /* Position (originally used for FS32_FINDFROMNAME 'position', but since reused
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| 287 | for FILEFINDBUF3::oNextEntryOffset and FILEFINDBUF4::oNextEntryOffset): */
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| 288 | if (fFlags & FF_GETPOS)
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| 289 | {
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| 290 | *(uint32_t *)pbDst = pFsFsd->offLastFile + 1;
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| 291 | pbDst += sizeof(uint32_t);
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| 292 | }
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| 293 |
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| 294 | /* Dates: Creation, Access, Write */
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| 295 | vboxSfOs2DateTimeFromTimeSpec((FDATE *)pbDst, (FTIME *)(pbDst + 2), pEntry->Info.BirthTime, pDataBuf->cMinLocalTimeDelta);
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| 296 | pbDst += sizeof(FDATE) + sizeof(FTIME);
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| 297 | vboxSfOs2DateTimeFromTimeSpec((FDATE *)pbDst, (FTIME *)(pbDst + 2), pEntry->Info.AccessTime, pDataBuf->cMinLocalTimeDelta);
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| 298 | pbDst += sizeof(FDATE) + sizeof(FTIME);
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| 299 | vboxSfOs2DateTimeFromTimeSpec((FDATE *)pbDst, (FTIME *)(pbDst + 2), pEntry->Info.ModificationTime, pDataBuf->cMinLocalTimeDelta);
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| 300 | pbDst += sizeof(FDATE) + sizeof(FTIME);
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| 301 |
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| 302 | /* File size, allocation size, attributes: */
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| 303 | if (uLevel >= FI_LVL_STANDARD_64)
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| 304 | {
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| 305 | *(uint64_t *)pbDst = pEntry->Info.cbObject;
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| 306 | pbDst += sizeof(uint64_t);
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| 307 | *(uint64_t *)pbDst = pEntry->Info.cbAllocated;
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| 308 | pbDst += sizeof(uint64_t);
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| 309 | *(uint32_t *)pbDst = (pEntry->Info.Attr.fMode & RTFS_DOS_MASK_OS2) >> RTFS_DOS_SHIFT;
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| 310 | pbDst += sizeof(uint32_t);
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| 311 | }
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| 312 | else
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| 313 | {
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| 314 | *(uint32_t *)pbDst = (uint32_t)RT_MIN(pEntry->Info.cbObject, _2G - 1);
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| 315 | pbDst += sizeof(uint32_t);
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| 316 | *(uint32_t *)pbDst = (uint32_t)RT_MIN(pEntry->Info.cbAllocated, _2G - 1);
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| 317 | pbDst += sizeof(uint32_t);
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| 318 | *(uint16_t *)pbDst = (uint16_t)((pEntry->Info.Attr.fMode & RTFS_DOS_MASK_OS2) >> RTFS_DOS_SHIFT);
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| 319 | pbDst += sizeof(uint16_t); /* (Curious: Who is expanding this to 32-bits for 32-bit callers? */
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| 320 | }
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| 321 |
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| 322 | /* Extra EA related fields: */
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| 323 | if ( uLevel == FI_LVL_STANDARD
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| 324 | || uLevel == FI_LVL_STANDARD_64)
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| 325 | { /* nothing */ }
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| 326 | else if ( uLevel == FI_LVL_STANDARD_EASIZE
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| 327 | || uLevel == FI_LVL_STANDARD_EASIZE_64)
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| 328 | {
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| 329 | /* EA size: */
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| 330 | *(uint32_t *)pbDst = 0;
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| 331 | pbDst += sizeof(uint32_t);
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| 332 | }
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| 333 | else
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| 334 | {
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| 335 | /* Empty FEALIST - flush pending data first: */
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| 336 | uint32_t cbToCopy = pbDst - pbToCopy;
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| 337 | if (cbToCopy < cbData)
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| 338 | {
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| 339 | rc = KernCopyOut(pbData, pbToCopy, cbToCopy);
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| 340 | if (rc == NO_ERROR)
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| 341 | {
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| 342 | pbData += cbToCopy;
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| 343 | cbData -= cbToCopy;
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| 344 | pbDst = pbToCopy;
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| 345 |
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[93071] | 346 | /* Output empty EA list. We don't try anticipate filename output length here,
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| 347 | instead we'll just handle that when we come to it below. */
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| 348 | /** @todo If this overflows, JFS will return ERROR_EAS_DIDNT_FIT and just the
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| 349 | * EA size here (i.e. as if FI_LVL_STANDARD_EASIZE or _64 was requested).
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| 350 | * I think, however, that ERROR_EAS_DIDNT_FIT should only be considered if
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| 351 | * this is the first entry we're returning and we'll have to stop after it. */
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[75337] | 352 | uint32_t cbWritten = 0;
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| 353 | EaOp.fpFEAList = (PFEALIST)pbData;
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[93071] | 354 | rc = vboxSfOs2MakeEmptyEaListEx(&EaOp, uLevel, cbData, &cbWritten, &pEaOpUser->oError);
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[75337] | 355 | if (rc == NO_ERROR)
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| 356 | {
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| 357 | cbData -= cbWritten;
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| 358 | pbData += cbWritten;
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| 359 | }
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| 360 | }
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| 361 | }
|
---|
| 362 | else
|
---|
| 363 | rc = ERROR_BUFFER_OVERFLOW;
|
---|
| 364 | if (rc != NO_ERROR)
|
---|
| 365 | break;
|
---|
| 366 | }
|
---|
| 367 |
|
---|
| 368 | /* The length prefixed filename. */
|
---|
| 369 | if (pDataBuf->fLongFilenames)
|
---|
[76108] | 370 | pbDst = vboxSfOs2CopyUtf16Name(pbDst, pEntry->name.String.utf16, pEntry->name.u16Length / sizeof(RTUTF16));
|
---|
[75337] | 371 | else if (pEntry->cucShortName == 0)
|
---|
[76108] | 372 | pbDst = vboxSfOs2CopyUtf16NameAndUpperCase(pbDst, pEntry->name.String.utf16, pEntry->name.u16Length / sizeof(RTUTF16));
|
---|
[75337] | 373 | else
|
---|
| 374 | pbDst = vboxSfOs2CopyUtf16NameAndUpperCase(pbDst, pEntry->uszShortName, pEntry->cucShortName);
|
---|
| 375 | if (pbDst)
|
---|
| 376 | {
|
---|
| 377 | /*
|
---|
| 378 | * Copy out the staged data.
|
---|
| 379 | */
|
---|
| 380 | uint32_t cbToCopy = pbDst - pbToCopy;
|
---|
| 381 | if (cbToCopy <= cbData)
|
---|
| 382 | {
|
---|
| 383 | rc = KernCopyOut(pbData, pbToCopy, cbToCopy);
|
---|
| 384 | if (rc == NO_ERROR)
|
---|
| 385 | {
|
---|
| 386 | Log4(("vboxSfOs2ReadDirEntries: match #%u LB %#x: '%s'\n", cMatches, cbToCopy, pEntry->name.String.utf8));
|
---|
| 387 | Log4(("%.*Rhxd\n", cbToCopy, pbToCopy));
|
---|
| 388 |
|
---|
| 389 | pbData += cbToCopy;
|
---|
| 390 | cbData -= cbToCopy;
|
---|
| 391 | pbDst = pbToCopy;
|
---|
| 392 |
|
---|
| 393 | cMatches++;
|
---|
| 394 | pFsFsd->offLastFile++;
|
---|
| 395 | }
|
---|
| 396 | else
|
---|
| 397 | break;
|
---|
| 398 | }
|
---|
| 399 | else
|
---|
| 400 | {
|
---|
| 401 | rc = ERROR_BUFFER_OVERFLOW;
|
---|
| 402 | break;
|
---|
| 403 | }
|
---|
| 404 | }
|
---|
| 405 | else
|
---|
| 406 | {
|
---|
| 407 | /* Name conversion issue, just skip the entry. */
|
---|
| 408 | Log3(("vboxSfOs2ReadDirEntries: Skipping '%s' due to name conversion issue.\n", pEntry->name.String.utf8));
|
---|
| 409 | cbData -= pbUserBufStart - pbData;
|
---|
| 410 | pbData = pbUserBufStart;
|
---|
| 411 | }
|
---|
| 412 | }
|
---|
| 413 | else
|
---|
| 414 | Log3(("vboxSfOs2ReadDirEntries: fMode=%#x filter out by %#x/%#x; '%s'\n",
|
---|
| 415 | pEntry->Info.Attr.fMode, pDataBuf->fMustHaveAttribs, pDataBuf->fExcludedAttribs, pEntry->name.String.utf8));
|
---|
| 416 |
|
---|
| 417 | /*
|
---|
| 418 | * Advance to the next directory entry from the host.
|
---|
| 419 | */
|
---|
| 420 | if (pDataBuf->cEntriesLeft-- > 1)
|
---|
| 421 | {
|
---|
| 422 | pDataBuf->pEntry = pEntry = (PSHFLDIRINFO)&pEntry->name.String.utf8[pEntry->name.u16Size];
|
---|
[76665] | 423 | uintptr_t offEntry = (uintptr_t)pEntry - (uintptr_t)pDataBuf->pBuf;
|
---|
[75337] | 424 | AssertMsgReturn(offEntry + RT_UOFFSETOF(SHFLDIRINFO, name.String) <= pDataBuf->cbValid,
|
---|
| 425 | ("offEntry=%#x cbValid=%#x\n", offEntry, pDataBuf->cbValid), ERROR_SYS_INTERNAL);
|
---|
[76665] | 426 | //Log(("next entry: %p / %#x: u16Size=%#x => size: %#x\n", pEntry, offEntry, RT_UOFFSETOF(SHFLDIRINFO, name.String) + pEntry->name.u16Size));
|
---|
[75337] | 427 | AssertMsgReturn(offEntry + RT_UOFFSETOF(SHFLDIRINFO, name.String) + pEntry->name.u16Size <= pDataBuf->cbValid,
|
---|
[76665] | 428 | ("offEntry=%#x + offName=%#x + cbName=%#x => %#x; cbValid=%#x\n",
|
---|
| 429 | offEntry, RT_UOFFSETOF(SHFLDIRINFO, name.String), pEntry->name.u16Size,
|
---|
| 430 | offEntry + RT_UOFFSETOF(SHFLDIRINFO, name.String) + pEntry->name.u16Size, pDataBuf->cbValid),
|
---|
| 431 | ERROR_SYS_INTERNAL);
|
---|
| 432 | //Log(("%.*Rhxd\n", RT_UOFFSETOF(SHFLDIRINFO, name.String) + pEntry->name.u16Size, pEntry));
|
---|
[75337] | 433 | }
|
---|
| 434 | else
|
---|
[76665] | 435 | pDataBuf->pEntry = pEntry = NULL;
|
---|
[75337] | 436 | }
|
---|
| 437 |
|
---|
| 438 | *pcMatches = cMatches;
|
---|
| 439 |
|
---|
| 440 | /* Ignore buffer overflows if we've got matches to return. */
|
---|
| 441 | if (rc == ERROR_BUFFER_OVERFLOW && cMatches > 0)
|
---|
| 442 | rc = NO_ERROR;
|
---|
| 443 | return rc;
|
---|
| 444 | }
|
---|
| 445 |
|
---|
| 446 |
|
---|
| 447 | DECLASM(APIRET)
|
---|
| 448 | FS32_FINDFIRST(PCDFSI pCdFsi, PVBOXSFCD pCdFsd, PCSZ pszPath, LONG offCurDirEnd, ULONG fAttribs,
|
---|
| 449 | PFSFSI pFsFsi, PVBOXSFFS pFsFsd, PBYTE pbData, ULONG cbData, PUSHORT pcMatches, ULONG uLevel, ULONG fFlags)
|
---|
[3655] | 450 | {
|
---|
[77640] | 451 | LogFlow(("FS32_FINDFIRST: pCdFsi=%p pCdFsd=%p pszPath=%p:{%s} offCurDirEnd=%d fAttribs=%#x pFsFsi=%p pFsFsd=%p pbData=%p cbData=%#x pcMatches=%p:{%#x} uLevel=%#x fFlags=%#x\n",
|
---|
[75337] | 452 | pCdFsi, pCdFsd, pszPath, pszPath, offCurDirEnd, fAttribs, pFsFsi, pFsFsd, pbData, cbData, pcMatches, *pcMatches, uLevel, fFlags));
|
---|
| 453 | USHORT const cMaxMatches = *pcMatches;
|
---|
| 454 | *pcMatches = 0;
|
---|
| 455 |
|
---|
| 456 | /*
|
---|
| 457 | * Input validation.
|
---|
| 458 | */
|
---|
| 459 | switch (uLevel)
|
---|
| 460 | {
|
---|
| 461 | case FI_LVL_STANDARD:
|
---|
| 462 | case FI_LVL_STANDARD_64:
|
---|
| 463 | case FI_LVL_STANDARD_EASIZE:
|
---|
| 464 | case FI_LVL_STANDARD_EASIZE_64:
|
---|
| 465 | break;
|
---|
| 466 |
|
---|
| 467 | case FI_LVL_EAS_FROM_LIST:
|
---|
| 468 | case FI_LVL_EAS_FROM_LIST_64:
|
---|
| 469 | if (cbData < sizeof(EAOP))
|
---|
| 470 | {
|
---|
| 471 | Log(("FS32_FINDFIRST: Buffer smaller than EAOP: %#x\n", cbData));
|
---|
| 472 | return ERROR_BUFFER_OVERFLOW;
|
---|
| 473 | }
|
---|
| 474 | break;
|
---|
| 475 |
|
---|
| 476 | default:
|
---|
| 477 | LogRel(("FS32_FINDFIRST: Unsupported info level %u!\n", uLevel));
|
---|
| 478 | return ERROR_INVALID_LEVEL;
|
---|
| 479 | }
|
---|
| 480 |
|
---|
| 481 | /*
|
---|
| 482 | * Resolve path to a folder and folder relative path.
|
---|
| 483 | */
|
---|
| 484 | RT_NOREF(pCdFsi);
|
---|
[76143] | 485 | PVBOXSFFOLDER pFolder;
|
---|
| 486 | VBOXSFCREATEREQ *pReq;
|
---|
| 487 | APIRET rc = vboxSfOs2ResolvePathEx(pszPath, pCdFsd, offCurDirEnd, RT_UOFFSETOF(VBOXSFCREATEREQ, StrPath),
|
---|
| 488 | &pFolder, (void **)&pReq);
|
---|
| 489 | LogFlow(("FS32_FINDFIRST: vboxSfOs2ResolvePathEx: -> %u pReq=%p\n", rc, pReq));
|
---|
[75337] | 490 | if (rc == NO_ERROR)
|
---|
| 491 | {
|
---|
[76143] | 492 | PSHFLSTRING pStrFolderPath = &pReq->StrPath;
|
---|
| 493 |
|
---|
[75337] | 494 | /*
|
---|
| 495 | * Look for a wildcard filter at the end of the path, saving it all for
|
---|
| 496 | * later in NT filter speak if present.
|
---|
| 497 | */
|
---|
| 498 | PSHFLSTRING pFilter = NULL;
|
---|
[76108] | 499 | PRTUTF16 pwszFilter = RTPathFilenameUtf16(pStrFolderPath->String.utf16);
|
---|
| 500 | if ( pwszFilter
|
---|
| 501 | && ( RTUtf16Chr(pwszFilter, '*') != NULL
|
---|
| 502 | || RTUtf16Chr(pwszFilter, '?') != NULL))
|
---|
[75337] | 503 | {
|
---|
[76108] | 504 | if (RTUtf16CmpAscii(pwszFilter, "*.*") == 0)
|
---|
[75337] | 505 | {
|
---|
| 506 | /* All files, no filtering needed. Just drop the filter expression from the directory path. */
|
---|
[76108] | 507 | *pwszFilter = '\0';
|
---|
| 508 | pStrFolderPath->u16Length = (uint16_t)((uint8_t *)pwszFilter - &pStrFolderPath->String.utf8[0]);
|
---|
[75337] | 509 | }
|
---|
| 510 | else
|
---|
| 511 | {
|
---|
| 512 | /* Duplicate the whole path. */
|
---|
[76108] | 513 | pFilter = vboxSfOs2StrDup(pStrFolderPath);
|
---|
[75337] | 514 | if (pFilter)
|
---|
| 515 | {
|
---|
| 516 | /* Drop filter from directory path. */
|
---|
[76108] | 517 | *pwszFilter = '\0';
|
---|
| 518 | pStrFolderPath->u16Length = (uint16_t)((uint8_t *)pwszFilter - &pStrFolderPath->String.utf8[0]);
|
---|
[75337] | 519 |
|
---|
| 520 | /* Convert filter part of the copy to NT speak. */
|
---|
[76108] | 521 | pwszFilter = (PRTUTF16)&pFilter->String.utf8[(uint8_t *)pwszFilter - &pStrFolderPath->String.utf8[0]];
|
---|
[75337] | 522 | for (;;)
|
---|
| 523 | {
|
---|
[76108] | 524 | RTUTF16 wc = *pwszFilter;
|
---|
| 525 | if (wc == '?')
|
---|
| 526 | *pwszFilter = '>'; /* The DOS question mark: Matches one char, but dots and end-of-name eats them. */
|
---|
| 527 | else if (wc == '.')
|
---|
[75337] | 528 | {
|
---|
[76108] | 529 | RTUTF16 wc2 = pwszFilter[1];
|
---|
| 530 | if (wc2 == '*' || wc2 == '?')
|
---|
| 531 | *pwszFilter = '"'; /* The DOS dot: Matches a dot or end-of-name. */
|
---|
[75337] | 532 | }
|
---|
[76108] | 533 | else if (wc == '*')
|
---|
[75337] | 534 | {
|
---|
[76108] | 535 | if (pwszFilter[1] == '.')
|
---|
| 536 | *pwszFilter = '<'; /* The DOS star: Matches zero or more chars except the DOS dot.*/
|
---|
[75337] | 537 | }
|
---|
[76108] | 538 | else if (wc == '\0')
|
---|
[75337] | 539 | break;
|
---|
[76108] | 540 | pwszFilter++;
|
---|
[75337] | 541 | }
|
---|
| 542 | }
|
---|
| 543 | else
|
---|
| 544 | rc = ERROR_NOT_ENOUGH_MEMORY;
|
---|
| 545 | }
|
---|
| 546 | }
|
---|
| 547 | /*
|
---|
| 548 | * When no wildcard is specified, we're supposed to return a single entry
|
---|
| 549 | * with the name in the final component. Exception is the root, where we
|
---|
| 550 | * always list the whole thing.
|
---|
| 551 | *
|
---|
| 552 | * Not sure if we'll ever see a trailing slash here (pszFilter == NULL),
|
---|
| 553 | * but if we do we should accept it only for the root.
|
---|
| 554 | */
|
---|
[76108] | 555 | else if (pwszFilter)
|
---|
[75337] | 556 | {
|
---|
[76143] | 557 | /* Copy the whole path for filtering. */
|
---|
| 558 | pFilter = vboxSfOs2StrDup(pStrFolderPath);
|
---|
| 559 | if (pFilter)
|
---|
[76108] | 560 | {
|
---|
[76143] | 561 | /* Strip the filename off the one we're opening. */
|
---|
| 562 | pStrFolderPath->u16Length = (uint16_t)((uintptr_t)pwszFilter - (uintptr_t)pStrFolderPath->String.utf16);
|
---|
| 563 | pStrFolderPath->u16Size = pStrFolderPath->u16Length + (uint16_t)sizeof(RTUTF16);
|
---|
[76108] | 564 | pStrFolderPath->String.utf16[pStrFolderPath->u16Length / sizeof(RTUTF16)] = '\0';
|
---|
| 565 | }
|
---|
| 566 | else
|
---|
[75337] | 567 | rc = ERROR_NOT_ENOUGH_MEMORY;
|
---|
| 568 | }
|
---|
[76108] | 569 | else if (!pwszFilter && pStrFolderPath->u16Length > 1)
|
---|
[75337] | 570 | {
|
---|
[76108] | 571 | LogFlow(("FS32_FINDFIRST: Trailing slash (%ls)\n", pStrFolderPath->String.utf16));
|
---|
[75337] | 572 | rc = ERROR_PATH_NOT_FOUND;
|
---|
| 573 | }
|
---|
| 574 | else
|
---|
[76108] | 575 | LogFlow(("FS32_FINDFIRST: Root dir (%ls)\n", pStrFolderPath->String.utf16));
|
---|
[75337] | 576 |
|
---|
| 577 | /*
|
---|
[76665] | 578 | * Allocate data/request buffer and another buffer for receiving entries in.
|
---|
[75337] | 579 | */
|
---|
| 580 | if (rc == NO_ERROR)
|
---|
| 581 | {
|
---|
[76665] | 582 | PVBOXSFFSBUF pDataBuf = (PVBOXSFFSBUF)VbglR0PhysHeapAlloc(sizeof(*pDataBuf));
|
---|
[75337] | 583 | if (pDataBuf)
|
---|
| 584 | {
|
---|
[76665] | 585 | #define MIN_BUF_SIZE ( RT_ALIGN_32(sizeof(SHFLDIRINFO) + CCHMAXPATHCOMP * sizeof(RTUTF16) + 64 /*fudge*/ + ALLOC_HDR_SIZE, 64) \
|
---|
| 586 | - ALLOC_HDR_SIZE)
|
---|
| 587 | RT_ZERO(*pDataBuf);
|
---|
| 588 | pDataBuf->cbBuf = cMaxMatches == 1 ? MIN_BUF_SIZE : _16K - ALLOC_HDR_SIZE;
|
---|
| 589 | pDataBuf->pBuf = (PSHFLDIRINFO)VbglR0PhysHeapAlloc(pDataBuf->cbBuf);
|
---|
| 590 | if (pDataBuf->pBuf)
|
---|
| 591 | { /* likely */ }
|
---|
[75337] | 592 | else
|
---|
[76665] | 593 | {
|
---|
| 594 | pDataBuf->pBuf = (PSHFLDIRINFO)VbglR0PhysHeapAlloc(MIN_BUF_SIZE);
|
---|
| 595 | if (pDataBuf->pBuf)
|
---|
| 596 | pDataBuf->cbBuf = MIN_BUF_SIZE;
|
---|
| 597 | else
|
---|
| 598 | rc = ERROR_NOT_ENOUGH_MEMORY;
|
---|
| 599 | }
|
---|
[75337] | 600 | }
|
---|
[76665] | 601 | if (rc == NO_ERROR)
|
---|
| 602 | {
|
---|
| 603 | /*
|
---|
| 604 | * Now, try open the directory for reading.
|
---|
| 605 | */
|
---|
| 606 | pReq->CreateParms.CreateFlags = SHFL_CF_DIRECTORY | SHFL_CF_ACT_FAIL_IF_NEW | SHFL_CF_ACT_OPEN_IF_EXISTS
|
---|
| 607 | | SHFL_CF_ACCESS_READ | SHFL_CF_ACCESS_ATTR_READ | SHFL_CF_ACCESS_DENYNONE;
|
---|
[76143] | 608 |
|
---|
[76716] | 609 | int vrc = VbglR0SfHostReqCreate(pFolder->idHostRoot, pReq);
|
---|
| 610 | LogFlow(("FS32_FINDFIRST: VbglR0SfHostReqCreate(%ls) -> %Rrc Result=%d fMode=%#x hHandle=%#RX64\n",
|
---|
[76665] | 611 | pStrFolderPath->String.utf16, vrc, pReq->CreateParms.Result, pReq->CreateParms.Info.Attr.fMode,
|
---|
| 612 | pReq->CreateParms.Handle));
|
---|
| 613 | if (RT_SUCCESS(vrc))
|
---|
[75337] | 614 | {
|
---|
[76665] | 615 | switch (pReq->CreateParms.Result)
|
---|
| 616 | {
|
---|
| 617 | case SHFL_FILE_EXISTS:
|
---|
| 618 | if (pReq->CreateParms.Handle != SHFL_HANDLE_NIL)
|
---|
[75337] | 619 | {
|
---|
[76665] | 620 | /*
|
---|
| 621 | * Initialize the structures.
|
---|
| 622 | */
|
---|
[93073] | 623 | pFsFsd->hHostDir = pReq->CreateParms.Handle;
|
---|
| 624 | pFsFsd->u32Magic = VBOXSFFS_MAGIC;
|
---|
| 625 | pFsFsd->pFolder = pFolder;
|
---|
| 626 | pFsFsd->pBuf = pDataBuf;
|
---|
| 627 | pFsFsd->offLastFile = 0;
|
---|
| 628 | pDataBuf->u32Magic = VBOXSFFSBUF_MAGIC;
|
---|
| 629 | pDataBuf->cbValid = 0;
|
---|
| 630 | pDataBuf->cEntriesLeft = 0;
|
---|
| 631 | pDataBuf->pEntry = NULL;
|
---|
| 632 | pDataBuf->pFilter = pFilter;
|
---|
| 633 | pDataBuf->fMustHaveAttribs = (uint8_t)( (fAttribs >> 8)
|
---|
| 634 | & (FILE_READONLY | FILE_HIDDEN | FILE_SYSTEM | FILE_DIRECTORY | FILE_ARCHIVED));
|
---|
| 635 | pDataBuf->fExcludedAttribs = (uint8_t)(~fAttribs & (FILE_HIDDEN | FILE_SYSTEM | FILE_DIRECTORY));
|
---|
| 636 | pDataBuf->fLongFilenames = RT_BOOL(fAttribs & FF_ATTR_LONG_FILENAME);
|
---|
[79710] | 637 | LogFlow(("FS32_FINDFIRST: fMustHaveAttribs=%#x fExcludedAttribs=%#x fLongFilenames=%d (fAttribs=%#x)\n",
|
---|
| 638 | pDataBuf->fMustHaveAttribs, pDataBuf->fExcludedAttribs, pDataBuf->fLongFilenames, fAttribs));
|
---|
[76665] | 639 | pDataBuf->cMinLocalTimeDelta = vboxSfOs2GetLocalTimeDelta();
|
---|
[75337] | 640 |
|
---|
[76665] | 641 | rc = vboxSfOs2ReadDirEntries(pFolder, pFsFsd, pDataBuf, uLevel, fFlags,
|
---|
| 642 | pbData, cbData, cMaxMatches ? cMaxMatches : UINT16_MAX, pcMatches);
|
---|
[93073] | 643 | if (rc != ERROR_BUFFER_OVERFLOW)
|
---|
| 644 | { /* likely */ }
|
---|
| 645 | else if ( uLevel == FI_LVL_EAS_FROM_LIST
|
---|
| 646 | || uLevel == FI_LVL_EAS_FROM_LIST_64)
|
---|
[76665] | 647 | {
|
---|
[93073] | 648 | /* If we've got a buffer overflow asking for EAs from a LIST, we are allowed (indeed
|
---|
| 649 | expected) to fall back to level 2 (EA size) and return ERROR_EAS_DIDNT_FIT.
|
---|
| 650 | See http://www.edm2.com/index.php/DosFindFirst for somewhat dated details. */
|
---|
| 651 | rc = vboxSfOs2ReadDirEntries(pFolder, pFsFsd, pDataBuf,
|
---|
| 652 | uLevel == FI_LVL_EAS_FROM_LIST_64
|
---|
| 653 | ? FI_LVL_STANDARD_EASIZE_64 : FI_LVL_STANDARD_EASIZE,
|
---|
| 654 | fFlags, pbData, cbData, 1 /* no more than one! */, pcMatches);
|
---|
| 655 | if (rc == NO_ERROR)
|
---|
| 656 | rc = ERROR_EAS_DIDNT_FIT;
|
---|
| 657 | }
|
---|
| 658 | if (rc == NO_ERROR || rc == ERROR_EAS_DIDNT_FIT)
|
---|
| 659 | {
|
---|
[76665] | 660 | uint32_t cRefs = ASMAtomicIncU32(&pFolder->cOpenSearches);
|
---|
| 661 | Assert(cRefs < _4K); RT_NOREF(cRefs);
|
---|
| 662 |
|
---|
| 663 | /* We keep these on success: */
|
---|
| 664 | if (pFilter == pStrFolderPath)
|
---|
| 665 | pStrFolderPath = NULL;
|
---|
| 666 | pFilter = NULL;
|
---|
| 667 | pDataBuf = NULL;
|
---|
| 668 | pFolder = NULL;
|
---|
| 669 | }
|
---|
| 670 | else
|
---|
| 671 | {
|
---|
| 672 | AssertCompile(sizeof(VBOXSFCLOSEREQ) < sizeof(*pReq));
|
---|
[76716] | 673 | vrc = VbglR0SfHostReqClose(pFolder->idHostRoot, (VBOXSFCLOSEREQ *)pReq, pFsFsd->hHostDir);
|
---|
[76665] | 674 | AssertRC(vrc);
|
---|
| 675 | pFsFsd->u32Magic = ~VBOXSFFS_MAGIC;
|
---|
| 676 | pDataBuf->u32Magic = ~VBOXSFFSBUF_MAGIC;
|
---|
| 677 | pFsFsd->pFolder = NULL;
|
---|
| 678 | pFsFsd->hHostDir = NULL;
|
---|
| 679 | }
|
---|
[75337] | 680 | }
|
---|
| 681 | else
|
---|
| 682 | {
|
---|
[76716] | 683 | LogFlow(("FS32_FINDFIRST: VbglR0SfHostReqCreate returns NIL handle for '%ls'\n",
|
---|
[76665] | 684 | pStrFolderPath->String.utf16));
|
---|
| 685 | rc = ERROR_PATH_NOT_FOUND;
|
---|
[75337] | 686 | }
|
---|
[76665] | 687 | break;
|
---|
| 688 |
|
---|
| 689 | case SHFL_PATH_NOT_FOUND:
|
---|
[75337] | 690 | rc = ERROR_PATH_NOT_FOUND;
|
---|
[76665] | 691 | break;
|
---|
[75337] | 692 |
|
---|
[76665] | 693 | default:
|
---|
| 694 | case SHFL_FILE_NOT_FOUND:
|
---|
| 695 | rc = ERROR_FILE_NOT_FOUND;
|
---|
| 696 | break;
|
---|
| 697 | }
|
---|
[75337] | 698 | }
|
---|
[76665] | 699 | else
|
---|
| 700 | rc = vboxSfOs2ConvertStatusToOs2(vrc, ERROR_GEN_FAILURE);
|
---|
[75337] | 701 | }
|
---|
[76665] | 702 |
|
---|
| 703 | if (pDataBuf)
|
---|
| 704 | {
|
---|
| 705 | VbglR0PhysHeapFree(pDataBuf->pBuf);
|
---|
| 706 | pDataBuf->pBuf = NULL;
|
---|
| 707 | VbglR0PhysHeapFree(pDataBuf);
|
---|
| 708 | }
|
---|
[75337] | 709 | }
|
---|
[76143] | 710 | vboxSfOs2StrFree(pFilter);
|
---|
| 711 | VbglR0PhysHeapFree(pReq);
|
---|
| 712 | vboxSfOs2ReleaseFolder(pFolder);
|
---|
[75337] | 713 | }
|
---|
[75338] | 714 |
|
---|
| 715 | RT_NOREF_PV(pFsFsi);
|
---|
[75337] | 716 | LogFlow(("FS32_FINDFIRST: returns %u\n", rc));
|
---|
| 717 | return rc;
|
---|
| 718 | }
|
---|
| 719 |
|
---|
| 720 |
|
---|
| 721 | DECLASM(APIRET)
|
---|
| 722 | FS32_FINDFROMNAME(PFSFSI pFsFsi, PVBOXSFFS pFsFsd, PBYTE pbData, ULONG cbData, PUSHORT pcMatches,
|
---|
| 723 | ULONG uLevel, ULONG uPosition, PCSZ pszName, ULONG fFlags)
|
---|
| 724 | {
|
---|
| 725 | LogFlow(("FS32_FINDFROMNAME: pFsFsi=%p pFsFsd=%p pbData=%p cbData=%#x pcMatches=%p:{%#x} uLevel=%#x uPosition=%#x pszName=%p:{%s} fFlags=%#x\n",
|
---|
| 726 | pFsFsi, pFsFsd, pbData, cbData, pcMatches, *pcMatches, uLevel, uPosition, pszName, pszName, fFlags));
|
---|
| 727 |
|
---|
| 728 | /*
|
---|
| 729 | * Input validation.
|
---|
| 730 | */
|
---|
| 731 | USHORT const cMaxMatches = *pcMatches;
|
---|
| 732 | *pcMatches = 0;
|
---|
| 733 | AssertReturn(pFsFsd->u32Magic == VBOXSFFS_MAGIC, ERROR_SYS_INTERNAL);
|
---|
| 734 | PVBOXSFFOLDER pFolder = pFsFsd->pFolder;
|
---|
| 735 | AssertReturn(pFolder != NULL, ERROR_SYS_INTERNAL);
|
---|
| 736 | Assert(pFolder->u32Magic == VBOXSFFOLDER_MAGIC);
|
---|
| 737 | Assert(pFolder->cOpenSearches > 0);
|
---|
| 738 | PVBOXSFFSBUF pDataBuf = pFsFsd->pBuf;
|
---|
| 739 | AssertReturn(pDataBuf, ERROR_SYS_INTERNAL);
|
---|
| 740 | Assert(pDataBuf->u32Magic == VBOXSFFSBUF_MAGIC);
|
---|
| 741 |
|
---|
| 742 | switch (uLevel)
|
---|
| 743 | {
|
---|
| 744 | case FI_LVL_STANDARD:
|
---|
| 745 | case FI_LVL_STANDARD_64:
|
---|
| 746 | case FI_LVL_STANDARD_EASIZE:
|
---|
| 747 | case FI_LVL_STANDARD_EASIZE_64:
|
---|
| 748 | case FI_LVL_EAS_FROM_LIST:
|
---|
| 749 | case FI_LVL_EAS_FROM_LIST_64:
|
---|
[79710] | 750 | break;
|
---|
[75337] | 751 |
|
---|
| 752 | default:
|
---|
[79710] | 753 | LogRel(("FS32_FINDFROMNAME: Unsupported info level %u!\n", uLevel));
|
---|
[75337] | 754 | return ERROR_INVALID_LEVEL;
|
---|
| 755 | }
|
---|
| 756 |
|
---|
| 757 | /*
|
---|
| 758 | * Check if we're just continuing. This is usually the case.
|
---|
| 759 | */
|
---|
| 760 | APIRET rc;
|
---|
| 761 | if (uPosition == pFsFsd->offLastFile)
|
---|
| 762 | rc = vboxSfOs2ReadDirEntries(pFolder, pFsFsd, pDataBuf, uLevel, fFlags, pbData, cbData,
|
---|
| 763 | cMaxMatches ? cMaxMatches : UINT16_MAX, pcMatches);
|
---|
| 764 | else
|
---|
| 765 | {
|
---|
| 766 | Log(("TODO: uPosition differs: %#x, expected %#x (%s)\n", uPosition, pFsFsd->offLastFile, pszName));
|
---|
| 767 | rc = vboxSfOs2ReadDirEntries(pFolder, pFsFsd, pDataBuf, uLevel, fFlags, pbData, cbData,
|
---|
| 768 | cMaxMatches ? cMaxMatches : UINT16_MAX, pcMatches);
|
---|
| 769 | }
|
---|
[93073] | 770 | if (rc != ERROR_BUFFER_OVERFLOW)
|
---|
| 771 | { /* likely */ }
|
---|
| 772 | else if ( uLevel == FI_LVL_EAS_FROM_LIST
|
---|
| 773 | || uLevel == FI_LVL_EAS_FROM_LIST_64)
|
---|
| 774 | {
|
---|
| 775 | /* If we've got a buffer overflow asking for EAs from a LIST, we are allowed (indeed
|
---|
| 776 | expected) to fall back to level 2 (EA size) and return ERROR_EAS_DIDNT_FIT. */
|
---|
| 777 | rc = vboxSfOs2ReadDirEntries(pFolder, pFsFsd, pDataBuf,
|
---|
| 778 | uLevel == FI_LVL_EAS_FROM_LIST_64 ? FI_LVL_STANDARD_EASIZE_64 : FI_LVL_STANDARD_EASIZE,
|
---|
| 779 | fFlags, pbData, cbData, 1 /* no more than one! */, pcMatches);
|
---|
| 780 | if (rc == NO_ERROR)
|
---|
| 781 | rc = ERROR_EAS_DIDNT_FIT;
|
---|
| 782 | }
|
---|
[75337] | 783 |
|
---|
| 784 | RT_NOREF(pFsFsi, pszName);
|
---|
| 785 | LogFlow(("FS32_FINDFROMNAME: returns %u (*pcMatches=%#x)\n", rc, *pcMatches));
|
---|
| 786 | return rc;
|
---|
| 787 | }
|
---|
| 788 |
|
---|
| 789 |
|
---|
| 790 | DECLASM(APIRET)
|
---|
| 791 | FS32_FINDNEXT(PFSFSI pFsFsi, PVBOXSFFS pFsFsd, PBYTE pbData, ULONG cbData, PUSHORT pcMatches, ULONG uLevel, ULONG fFlags)
|
---|
| 792 | {
|
---|
| 793 | LogFlow(("FS32_FINDNEXT: pFsFsi=%p pFsFsd=%p pbData=%p cbData=%#x pcMatches=%p:{%#x} uLevel=%#x fFlags=%#x\n",
|
---|
| 794 | pFsFsi, pFsFsd, pbData, cbData, pcMatches, *pcMatches, uLevel, fFlags));
|
---|
| 795 |
|
---|
| 796 | /*
|
---|
| 797 | * Input validation.
|
---|
| 798 | */
|
---|
| 799 | USHORT const cMaxMatches = *pcMatches;
|
---|
| 800 | *pcMatches = 0;
|
---|
| 801 | AssertReturn(pFsFsd->u32Magic == VBOXSFFS_MAGIC, ERROR_SYS_INTERNAL);
|
---|
| 802 | PVBOXSFFOLDER pFolder = pFsFsd->pFolder;
|
---|
| 803 | AssertReturn(pFolder != NULL, ERROR_SYS_INTERNAL);
|
---|
| 804 | Assert(pFolder->u32Magic == VBOXSFFOLDER_MAGIC);
|
---|
| 805 | Assert(pFolder->cOpenSearches > 0);
|
---|
| 806 | PVBOXSFFSBUF pDataBuf = pFsFsd->pBuf;
|
---|
| 807 | AssertReturn(pDataBuf, ERROR_SYS_INTERNAL);
|
---|
| 808 | Assert(pDataBuf->u32Magic == VBOXSFFSBUF_MAGIC);
|
---|
| 809 |
|
---|
| 810 | switch (uLevel)
|
---|
| 811 | {
|
---|
| 812 | case FI_LVL_STANDARD:
|
---|
| 813 | case FI_LVL_STANDARD_64:
|
---|
| 814 | case FI_LVL_STANDARD_EASIZE:
|
---|
| 815 | case FI_LVL_STANDARD_EASIZE_64:
|
---|
| 816 | case FI_LVL_EAS_FROM_LIST:
|
---|
| 817 | case FI_LVL_EAS_FROM_LIST_64:
|
---|
[79710] | 818 | break;
|
---|
[75337] | 819 |
|
---|
| 820 | default:
|
---|
[79710] | 821 | LogRel(("FS32_FINDNEXT: Unsupported info level %u!\n", uLevel));
|
---|
[75337] | 822 | return ERROR_INVALID_LEVEL;
|
---|
| 823 | }
|
---|
| 824 |
|
---|
| 825 | /*
|
---|
| 826 | * Read more.
|
---|
| 827 | */
|
---|
| 828 | APIRET rc = vboxSfOs2ReadDirEntries(pFolder, pFsFsd, pDataBuf, uLevel, fFlags, pbData, cbData,
|
---|
| 829 | cMaxMatches ? cMaxMatches : UINT16_MAX, pcMatches);
|
---|
[93073] | 830 | if (rc != ERROR_BUFFER_OVERFLOW)
|
---|
| 831 | { /* likely */ }
|
---|
| 832 | else if ( uLevel == FI_LVL_EAS_FROM_LIST
|
---|
| 833 | || uLevel == FI_LVL_EAS_FROM_LIST_64)
|
---|
| 834 | {
|
---|
| 835 | /* If we've got a buffer overflow asking for EAs from a LIST, we are allowed (indeed
|
---|
| 836 | expected) to fall back to level 2 (EA size) and return ERROR_EAS_DIDNT_FIT.
|
---|
| 837 | See http://www.edm2.com/index.php/DosFindNext for somewhat dated details. */
|
---|
| 838 | rc = vboxSfOs2ReadDirEntries(pFolder, pFsFsd, pDataBuf,
|
---|
| 839 | uLevel == FI_LVL_EAS_FROM_LIST_64 ? FI_LVL_STANDARD_EASIZE_64 : FI_LVL_STANDARD_EASIZE,
|
---|
| 840 | fFlags, pbData, cbData, 1 /* no more than one! */, pcMatches);
|
---|
| 841 | if (rc == NO_ERROR)
|
---|
| 842 | rc = ERROR_EAS_DIDNT_FIT;
|
---|
| 843 | }
|
---|
[75337] | 844 |
|
---|
| 845 | NOREF(pFsFsi);
|
---|
| 846 | LogFlow(("FS32_FINDNEXT: returns %u (*pcMatches=%#x)\n", rc, *pcMatches));
|
---|
| 847 | return rc;
|
---|
| 848 | }
|
---|
| 849 |
|
---|
| 850 |
|
---|
| 851 | DECLASM(APIRET)
|
---|
| 852 | FS32_FINDCLOSE(PFSFSI pFsFsi, PVBOXSFFS pFsFsd)
|
---|
| 853 | {
|
---|
| 854 | /*
|
---|
| 855 | * Input validation.
|
---|
| 856 | */
|
---|
| 857 | AssertReturn(pFsFsd->u32Magic == VBOXSFFS_MAGIC, ERROR_SYS_INTERNAL);
|
---|
| 858 | PVBOXSFFOLDER pFolder = pFsFsd->pFolder;
|
---|
| 859 | AssertReturn(pFolder != NULL, ERROR_SYS_INTERNAL);
|
---|
| 860 | Assert(pFolder->u32Magic == VBOXSFFOLDER_MAGIC);
|
---|
| 861 | Assert(pFolder->cOpenSearches > 0);
|
---|
| 862 | PVBOXSFFSBUF pDataBuf = pFsFsd->pBuf;
|
---|
| 863 | AssertReturn(pDataBuf, ERROR_SYS_INTERNAL);
|
---|
| 864 | Assert(pDataBuf->u32Magic == VBOXSFFSBUF_MAGIC);
|
---|
| 865 |
|
---|
| 866 | /*
|
---|
| 867 | * Close it.
|
---|
| 868 | */
|
---|
| 869 | if (pFsFsd->hHostDir != SHFL_HANDLE_NIL)
|
---|
| 870 | {
|
---|
[76716] | 871 | int vrc = VbglR0SfHostReqCloseSimple(pFolder->idHostRoot, pFsFsd->hHostDir);
|
---|
[75337] | 872 | AssertRC(vrc);
|
---|
| 873 | }
|
---|
| 874 |
|
---|
| 875 | pFsFsd->u32Magic = ~VBOXSFFS_MAGIC;
|
---|
| 876 | pFsFsd->hHostDir = SHFL_HANDLE_NIL;
|
---|
| 877 | pFsFsd->pFolder = NULL;
|
---|
| 878 | pFsFsd->pBuf = NULL;
|
---|
| 879 | vboxSfOs2StrFree(pDataBuf->pFilter);
|
---|
| 880 | pDataBuf->pFilter = NULL;
|
---|
| 881 | pDataBuf->u32Magic = ~VBOXSFFSBUF_MAGIC;
|
---|
| 882 | pDataBuf->cbBuf = 0;
|
---|
| 883 |
|
---|
[76665] | 884 | VbglR0PhysHeapFree(pDataBuf->pBuf);
|
---|
| 885 | pDataBuf->pBuf = NULL;
|
---|
| 886 | VbglR0PhysHeapFree(pDataBuf);
|
---|
| 887 |
|
---|
[75337] | 888 | uint32_t cRefs = ASMAtomicDecU32(&pFolder->cOpenSearches);
|
---|
| 889 | Assert(cRefs < _4K); RT_NOREF(cRefs);
|
---|
| 890 | vboxSfOs2ReleaseFolder(pFolder);
|
---|
| 891 |
|
---|
| 892 | RT_NOREF(pFsFsi);
|
---|
| 893 | LogFlow(("FS32_FINDCLOSE: returns NO_ERROR\n"));
|
---|
| 894 | return NO_ERROR;
|
---|
| 895 | }
|
---|
| 896 |
|
---|
| 897 |
|
---|
| 898 |
|
---|
| 899 |
|
---|
| 900 |
|
---|
| 901 | DECLASM(APIRET)
|
---|
| 902 | FS32_FINDNOTIFYFIRST(PCDFSI pCdFsi, PVBOXSFCD pCdFsd, PCSZ pszPath, LONG offCurDirEnd, ULONG fAttribs,
|
---|
| 903 | PUSHORT phHandle, PBYTE pbData, ULONG cbData, PUSHORT pcMatches,
|
---|
| 904 | ULONG uLevel, ULONG fFlags)
|
---|
| 905 | {
|
---|
| 906 | RT_NOREF(pCdFsi, pCdFsd, pszPath, offCurDirEnd, fAttribs, phHandle, pbData, cbData, pcMatches, uLevel, fFlags);
|
---|
[3655] | 907 | return ERROR_NOT_SUPPORTED;
|
---|
| 908 | }
|
---|
| 909 |
|
---|
| 910 |
|
---|
[75337] | 911 | DECLASM(APIRET)
|
---|
| 912 | FS32_FINDNOTIFYNEXT(ULONG hHandle, PBYTE pbData, ULONG cbData, PUSHORT pcMatchs, ULONG uLevel, ULONG cMsTimeout)
|
---|
[3655] | 913 | {
|
---|
[75337] | 914 | RT_NOREF(hHandle, pbData, cbData, pcMatchs, uLevel, cMsTimeout);
|
---|
[3655] | 915 | return ERROR_NOT_SUPPORTED;
|
---|
| 916 | }
|
---|
| 917 |
|
---|
| 918 |
|
---|
[75337] | 919 | DECLASM(APIRET)
|
---|
| 920 | FS32_FINDNOTIFYCLOSE(ULONG hHandle)
|
---|
[3655] | 921 | {
|
---|
[68612] | 922 | NOREF(hHandle);
|
---|
[3655] | 923 | return ERROR_NOT_SUPPORTED;
|
---|
| 924 | }
|
---|
| 925 |
|
---|