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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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6080 | pathoswith | 3 | ;; Copyright (C) KolibriOS team 2004-2016. All rights reserved. ;; |
6462 | pathoswith | 4 | ;; Distributed under terms of the GNU General Public License. ;; |
2288 | clevermous | 5 | ;; ;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | $Revision: 6468 $ |
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9 | |||
6462 | pathoswith | 10 | ; NTFS external functions |
11 | ; in: |
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12 | ; ebx -> parameter structure of sysfunc 70 |
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13 | ; ebp -> NTFS structure |
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6468 | pathoswith | 14 | ; esi -> path string |
6462 | pathoswith | 15 | ; out: |
16 | ; eax, ebx = return values for sysfunc 70 |
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17 | iglobal |
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18 | align 4 |
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19 | ntfs_user_functions: |
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20 | dd ntfs_free |
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21 | dd (ntfs_user_functions_end - ntfs_user_functions - 4) / 4 |
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22 | dd ntfs_ReadFile |
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23 | dd ntfs_ReadFolder |
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24 | dd ntfs_CreateFile |
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25 | dd ntfs_WriteFile |
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26 | dd ntfs_SetFileEnd |
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27 | dd ntfs_GetFileInfo |
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28 | dd ntfs_SetFileInfo |
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29 | dd 0 |
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30 | dd ntfs_Delete |
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31 | dd ntfs_CreateFolder |
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32 | ntfs_user_functions_end: |
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33 | endg |
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5954 | pathoswith | 34 | |
35 | ; Basic concepts: |
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36 | ; File is a FileRecord in the $MFT. |
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37 | ; $MFT is a file, that consists of FileRecords and starts with FileRecord of itself. |
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38 | ; FileRecord (FILE) consists of a header and attributes. |
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39 | ; Attribute consists of a header and a body. |
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40 | ; Attribute's body can be inside (resident) or outside of FileRecord. |
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41 | ; File's data is a body of $Data (80h) attribute. |
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42 | ; FileRecords is a data of the $MFT file. |
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43 | ; Directory is a file, that consists of index nodes. |
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44 | ; Resident index node is always located in a body of $IndexRoot (90h) attribute. |
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45 | ; Body of $IndexAllocation (A0h) attribute is always non resident |
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46 | ; and consists of IndexRecords. |
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47 | ; IndexRecord (INDX) consists of a header and an index node. |
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48 | ; Index node consists of a header and indexes. |
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49 | ; Index consists of a header and a copy of indexed attribute's body. |
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50 | ; Directories index $Filename (30h) attribute of all existing files. |
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51 | ; $IndexRoot and $IndexAllocation attributes of a directory has a name — $I30. |
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52 | |||
53 | ; Offsets: |
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54 | ; record header |
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6273 | pathoswith | 55 | magic = 0 |
5954 | pathoswith | 56 | updateSequenceOffset = 4 |
57 | updateSequenceSize = 6 |
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6273 | pathoswith | 58 | ; FileRecord header |
5954 | pathoswith | 59 | reuseCounter = 16 |
60 | hardLinkCounter = 12h |
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61 | attributeOffset = 14h |
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62 | recordFlags = 16h |
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63 | recordRealSize = 18h |
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64 | recordAllocatedSize = 1ch |
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5994 | pathoswith | 65 | baseRecordReference = 20h ; for auxiliary records |
66 | baseRecordReuse = 26h |
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5954 | pathoswith | 67 | newAttributeID = 28h |
68 | ; attribute header |
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69 | attributeType = 0 |
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70 | sizeWithHeader = 4 |
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71 | nonResidentFlag = 8 |
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72 | nameLength = 9 |
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73 | nameOffset = 10 |
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6019 | pathoswith | 74 | attributeFlags = 12 |
5954 | pathoswith | 75 | attributeID = 14 |
6080 | pathoswith | 76 | ; resident attribute header |
77 | sizeWithoutHeader = 10h |
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6273 | pathoswith | 78 | attributeOffset = 14h |
6019 | pathoswith | 79 | indexedFlag = 16h |
5954 | pathoswith | 80 | ; non resident attribute header |
6080 | pathoswith | 81 | firstVCN = 10h |
5954 | pathoswith | 82 | lastVCN = 18h |
83 | dataRunsOffset = 20h |
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84 | attributeAllocatedSize = 28h |
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85 | attributeRealSize = 30h |
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86 | initialDataSize = 38h |
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87 | ; $IndexRoot |
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6273 | pathoswith | 88 | indexedAttributesType = 0 |
5954 | pathoswith | 89 | collationRule = 4 |
90 | indexRecordSize = 8 |
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6340 | pathoswith | 91 | indexRecordSizeClus = 12 ; in sectors if less than one cluster |
6273 | pathoswith | 92 | rootNode = 16 |
93 | ; IndexRecord header |
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94 | recordVCN = 16 |
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95 | recordNode = 18h |
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5954 | pathoswith | 96 | ; node header |
97 | indexOffset = 0 |
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98 | nodeRealSize = 4 |
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99 | nodeAllocatedSize = 8 |
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6273 | pathoswith | 100 | nonLeafFlag = 12 |
5954 | pathoswith | 101 | ; $Filename index |
102 | fileRecordReference = 0 |
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103 | fileReferenceReuse = 6 |
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104 | indexAllocatedSize = 8 |
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105 | indexRawSize = 10 |
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106 | indexFlags = 12 |
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107 | directoryRecordReference = 16 |
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108 | directoryReferenceReuse = 16h |
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6297 | pathoswith | 109 | fileCreated = 18h |
110 | fileModified = 20h |
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111 | recordModified = 28h |
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112 | fileAccessed = 30h |
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5954 | pathoswith | 113 | fileAllocatedSize = 38h |
114 | fileRealSize = 40h |
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115 | fileFlags = 48h |
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116 | fileNameLength = 50h |
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6297 | pathoswith | 117 | namespace = 51h |
118 | fileName = 52h |
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5954 | pathoswith | 119 | |
3742 | clevermous | 120 | struct NTFS PARTITION |
6462 | pathoswith | 121 | Lock MUTEX ; Currently operations with one partition |
5954 | pathoswith | 122 | ; can not be executed in parallel since the legacy code is not ready. |
6273 | pathoswith | 123 | sectors_per_cluster dd ? |
124 | mft_cluster dd ? ; location |
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125 | mftmirr_cluster dd ? ; location |
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126 | frs_size dd ? ; in bytes |
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127 | frs_buffer dd ? ; MFT fileRecord buffer |
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128 | mft_retrieval_end dd ? |
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6405 | pathoswith | 129 | mftSize dd ? ; in sectors |
6273 | pathoswith | 130 | cur_index_size dd ? ; in sectors |
131 | cur_index_buf dd ? ; index node buffer |
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6340 | pathoswith | 132 | secondIndexBuffer dd ? |
6273 | pathoswith | 133 | BitmapBuffer dd ? |
134 | BitmapTotalSize dd ? ; bytes reserved |
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135 | BitmapSize dd ? ; bytes readen |
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136 | BitmapLocation dd ? ; starting sector |
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137 | BitmapStart dd ? ; first byte after area, reserved for MFT |
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138 | mftBitmapBuffer dd ? ; one cluster |
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139 | mftBitmapSize dd ? ; bytes readen |
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140 | mftBitmapLocation dd ? ; starting sector |
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2288 | clevermous | 141 | |
6405 | pathoswith | 142 | attr_size dq ? |
143 | attr_offs dd ? |
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144 | attr_list dd ? |
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145 | attr_iBaseRecord dd ? |
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6273 | pathoswith | 146 | cur_attr dd ? ; attribute type |
147 | cur_iRecord dd ? ; number of fileRecord in MFT |
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148 | cur_offs dd ? ; attribute VCN in sectors |
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149 | cur_size dd ? ; max sectors to read |
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150 | cur_buf dd ? |
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151 | cur_read dd ? ; bytes readen |
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6405 | pathoswith | 152 | cur_tail dd ? |
153 | cur_subnode_size dd ? |
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6273 | pathoswith | 154 | LastRead dd ? ; last readen block of sectors |
6408 | pathoswith | 155 | mftLastRead dd ? |
6340 | pathoswith | 156 | rootLastRead dd ? |
157 | nodeLastRead dd ? |
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158 | indexRoot dd ? |
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6405 | pathoswith | 159 | indexPointer dd ? |
6340 | pathoswith | 160 | newRecord dd ? |
6273 | pathoswith | 161 | fileDataStart dd ? ; starting cluster |
162 | fileDataSize dd ? ; in clusters |
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6292 | pathoswith | 163 | fileDataBuffer dd ? |
6273 | pathoswith | 164 | fileRealSize dd ? ; in bytes |
165 | fragmentCount db ? |
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166 | bCanContinue db ? |
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167 | bFolder db ? |
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168 | bWriteAttr db ? ; Warning: Don't forget to turn off!!! |
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3742 | clevermous | 169 | |
6405 | pathoswith | 170 | align 256 |
171 | mft_retrieval rb 768 |
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172 | attrlist_buf rb 1024 |
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173 | attrlist_mft_buf rb 1024 |
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174 | bitmap_buf rb 1024 |
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3742 | clevermous | 175 | ends |
176 | |||
2288 | clevermous | 177 | ntfs_test_bootsec: |
5954 | pathoswith | 178 | ; in: ebx -> buffer, edx = size of partition |
179 | ; out: CF=1 -> invalid |
||
2288 | clevermous | 180 | ; 1. Name=='NTFS ' |
181 | cmp dword [ebx+3], 'NTFS' |
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182 | jnz .no |
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183 | cmp dword [ebx+7], ' ' |
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184 | jnz .no |
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185 | ; 2. Number of bytes per sector is the same as for physical device |
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186 | ; (that is, 0x200 for hard disk) |
||
187 | cmp word [ebx+11], 0x200 |
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188 | jnz .no |
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189 | ; 3. Number of sectors per cluster must be power of 2 |
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190 | movzx eax, byte [ebx+13] |
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191 | dec eax |
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192 | js .no |
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193 | test al, [ebx+13] |
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194 | jnz .no |
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195 | ; 4. FAT parameters must be zero |
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196 | cmp word [ebx+14], 0 |
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197 | jnz .no |
||
198 | cmp dword [ebx+16], 0 |
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199 | jnz .no |
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200 | cmp byte [ebx+20], 0 |
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201 | jnz .no |
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202 | cmp word [ebx+22], 0 |
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203 | jnz .no |
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204 | cmp dword [ebx+32], 0 |
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205 | jnz .no |
||
206 | ; 5. Number of sectors <= partition size |
||
207 | cmp dword [ebx+0x2C], 0 |
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208 | ja .no |
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209 | cmp [ebx+0x28], edx |
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210 | ja .no |
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211 | ; 6. $MFT and $MFTMirr clusters must be within partition |
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212 | cmp dword [ebx+0x34], 0 |
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213 | ja .no |
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214 | push edx |
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215 | movzx eax, byte [ebx+13] |
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216 | mul dword [ebx+0x30] |
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217 | test edx, edx |
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218 | pop edx |
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219 | jnz .no |
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220 | cmp eax, edx |
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221 | ja .no |
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222 | cmp dword [ebx+0x3C], 0 |
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223 | ja .no |
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224 | push edx |
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225 | movzx eax, byte [ebx+13] |
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226 | mul dword [ebx+0x38] |
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227 | test edx, edx |
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228 | pop edx |
||
229 | jnz .no |
||
230 | cmp eax, edx |
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231 | ja .no |
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5954 | pathoswith | 232 | ; 7. Clusters per FRS must be either power of 2 or between -31 and -9 |
2288 | clevermous | 233 | movsx eax, byte [ebx+0x40] |
234 | cmp al, -31 |
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235 | jl .no |
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236 | cmp al, -9 |
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237 | jle @f |
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238 | dec eax |
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239 | js .no |
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240 | test [ebx+0x40], al |
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241 | jnz .no |
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5954 | pathoswith | 242 | @@: ; 8. Same for clusters per IndexAllocationBuffer |
2288 | clevermous | 243 | movsx eax, byte [ebx+0x44] |
244 | cmp al, -31 |
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245 | jl .no |
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246 | cmp al, -9 |
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247 | jle @f |
||
248 | dec eax |
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249 | js .no |
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250 | test [ebx+0x44], al |
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251 | jnz .no |
||
5954 | pathoswith | 252 | @@: ; OK, this is correct NTFS bootsector |
2288 | clevermous | 253 | clc |
254 | ret |
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5954 | pathoswith | 255 | .no: ; No, this bootsector isn't NTFS |
2288 | clevermous | 256 | stc |
257 | ret |
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258 | |||
6462 | pathoswith | 259 | ; Mount if it's a valid NTFS partition. |
5954 | pathoswith | 260 | ntfs_create_partition: |
6462 | pathoswith | 261 | ; in: |
262 | ; ebp -> PARTITION structure |
||
263 | ; ebx -> boot sector |
||
264 | ; ebx+512 -> buffer |
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265 | ; out: |
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266 | ; eax -> NTFS structure, 0 = not NTFS |
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5089 | clevermous | 267 | cmp dword [esi+DISK.MediaInfo.SectorSize], 512 |
268 | jnz .nope |
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3742 | clevermous | 269 | mov edx, dword [ebp+PARTITION.Length] |
270 | cmp dword [esp+4], 0 |
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271 | jz .boot_read_ok |
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272 | add ebx, 512 |
||
273 | lea eax, [edx-1] |
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274 | call fs_read32_sys |
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275 | test eax, eax |
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276 | jnz @f |
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277 | call ntfs_test_bootsec |
||
278 | jnc .ntfs_setup |
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279 | @@: |
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280 | mov eax, edx |
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281 | shr eax, 1 |
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282 | call fs_read32_sys |
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283 | test eax, eax |
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5954 | pathoswith | 284 | jnz .nope |
3742 | clevermous | 285 | .boot_read_ok: |
286 | call ntfs_test_bootsec |
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287 | jnc .ntfs_setup |
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288 | .nope: |
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289 | xor eax, eax |
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290 | jmp .exit |
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6297 | pathoswith | 291 | |
6405 | pathoswith | 292 | .ntfs_setup: ; By given bootsector, initialize some NTFS variables |
293 | stdcall kernel_alloc, 1000h |
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3742 | clevermous | 294 | test eax, eax |
295 | jz .exit |
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296 | mov ecx, dword [ebp+PARTITION.FirstSector] |
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297 | mov dword [eax+NTFS.FirstSector], ecx |
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298 | mov ecx, dword [ebp+PARTITION.FirstSector+4] |
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299 | mov dword [eax+NTFS.FirstSector+4], ecx |
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300 | mov ecx, [ebp+PARTITION.Disk] |
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301 | mov [eax+NTFS.Disk], ecx |
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302 | mov [eax+NTFS.FSUserFunctions], ntfs_user_functions |
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6273 | pathoswith | 303 | mov [eax+NTFS.bWriteAttr], 0 |
5954 | pathoswith | 304 | |
3742 | clevermous | 305 | push ebx ebp esi |
306 | mov ebp, eax |
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307 | lea ecx, [ebp+NTFS.Lock] |
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308 | call mutex_init |
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2288 | clevermous | 309 | movzx eax, byte [ebx+13] |
3742 | clevermous | 310 | mov [ebp+NTFS.sectors_per_cluster], eax |
2288 | clevermous | 311 | mov eax, [ebx+0x28] |
3742 | clevermous | 312 | mov dword [ebp+NTFS.Length], eax |
313 | and dword [ebp+NTFS.Length+4], 0 |
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2288 | clevermous | 314 | mov eax, [ebx+0x30] |
3742 | clevermous | 315 | mov [ebp+NTFS.mft_cluster], eax |
2288 | clevermous | 316 | mov eax, [ebx+0x38] |
3742 | clevermous | 317 | mov [ebp+NTFS.mftmirr_cluster], eax |
2288 | clevermous | 318 | movsx eax, byte [ebx+0x40] |
319 | test eax, eax |
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5954 | pathoswith | 320 | js @f |
3742 | clevermous | 321 | mul [ebp+NTFS.sectors_per_cluster] |
2288 | clevermous | 322 | shl eax, 9 |
5954 | pathoswith | 323 | jmp .1 |
6297 | pathoswith | 324 | |
5954 | pathoswith | 325 | @@: |
2288 | clevermous | 326 | neg eax |
327 | mov ecx, eax |
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328 | mov eax, 1 |
||
329 | shl eax, cl |
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5954 | pathoswith | 330 | .1: |
3742 | clevermous | 331 | mov [ebp+NTFS.frs_size], eax |
5954 | pathoswith | 332 | stdcall kernel_alloc, eax |
2288 | clevermous | 333 | test eax, eax |
3742 | clevermous | 334 | jz .fail_free |
335 | mov [ebp+NTFS.frs_buffer], eax |
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2288 | clevermous | 336 | ; read $MFT disposition |
3742 | clevermous | 337 | mov eax, [ebp+NTFS.mft_cluster] |
338 | mul [ebp+NTFS.sectors_per_cluster] |
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6405 | pathoswith | 339 | mov ecx, [ebp+NTFS.frs_size] |
340 | shr ecx, 9 |
||
341 | mov ebx, [ebp+NTFS.frs_buffer] |
||
342 | call fs_read64_sys |
||
3742 | clevermous | 343 | test eax, eax |
2288 | clevermous | 344 | jnz .usemirr |
345 | cmp dword [ebx], 'FILE' |
||
346 | jnz .usemirr |
||
347 | call ntfs_restore_usa_frs |
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348 | jnc .mftok |
||
349 | .usemirr: |
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3742 | clevermous | 350 | mov eax, [ebp+NTFS.mftmirr_cluster] |
351 | mul [ebp+NTFS.sectors_per_cluster] |
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6405 | pathoswith | 352 | mov ecx, [ebp+NTFS.frs_size] |
353 | shr ecx, 9 |
||
354 | mov ebx, [ebp+NTFS.frs_buffer] |
||
355 | call fs_read64_sys |
||
3742 | clevermous | 356 | test eax, eax |
5954 | pathoswith | 357 | jnz .fail_free_frs |
2288 | clevermous | 358 | cmp dword [ebx], 'FILE' |
5954 | pathoswith | 359 | jnz .fail_free_frs |
2288 | clevermous | 360 | call ntfs_restore_usa_frs |
5954 | pathoswith | 361 | jc .fail_free_frs |
6405 | pathoswith | 362 | .mftok: ; prepare $MFT retrieval information |
363 | ; search for unnamed non-resident $DATA attribute |
||
364 | movzx eax, word [ebx+attributeOffset] |
||
2288 | clevermous | 365 | add eax, ebx |
366 | .scandata: |
||
367 | cmp dword [eax], -1 |
||
6405 | pathoswith | 368 | jz .fail_free_frs |
2288 | clevermous | 369 | cmp dword [eax], 0x80 |
370 | jnz @f |
||
6405 | pathoswith | 371 | cmp byte [eax+nameLength], 0 |
2288 | clevermous | 372 | jz .founddata |
373 | @@: |
||
6405 | pathoswith | 374 | add eax, [eax+sizeWithHeader] |
2288 | clevermous | 375 | jmp .scandata |
6297 | pathoswith | 376 | |
2288 | clevermous | 377 | .founddata: |
6405 | pathoswith | 378 | cmp byte [eax+nonResidentFlag], 0 |
379 | jz .fail_free_frs |
||
380 | movzx esi, word [eax+dataRunsOffset] |
||
2288 | clevermous | 381 | add esi, eax |
6405 | pathoswith | 382 | mov edx, [eax+attributeAllocatedSize+4] |
383 | mov eax, [eax+attributeAllocatedSize] |
||
384 | shrd eax, edx, 9 |
||
385 | mov [ebp+NTFS.mftSize], eax |
||
2288 | clevermous | 386 | sub esp, 10h |
6405 | pathoswith | 387 | lea ecx, [ebp+NTFS.mft_retrieval] |
388 | xor edx, edx |
||
389 | .scanmcb: ; load descriptions of fragments |
||
2288 | clevermous | 390 | call ntfs_decode_mcb_entry |
391 | jnc .scanmcbend |
||
6405 | pathoswith | 392 | mov eax, [esp] ; block length |
393 | mov [ecx], eax |
||
394 | add edx, [esp+8] ; block addr |
||
395 | mov [ecx+4], edx |
||
396 | add ecx, 8 |
||
2288 | clevermous | 397 | jmp .scanmcb |
6297 | pathoswith | 398 | |
2288 | clevermous | 399 | .scanmcbend: |
400 | add esp, 10h |
||
6405 | pathoswith | 401 | lea eax, [ebp+NTFS.attrlist_buf] |
402 | cmp eax, ecx |
||
403 | jc @f |
||
404 | mov eax, ecx |
||
405 | @@: |
||
406 | mov [ebp+NTFS.mft_retrieval_end], eax |
||
407 | ; allocate index buffers |
||
6340 | pathoswith | 408 | stdcall kernel_alloc, 2000h |
2288 | clevermous | 409 | test eax, eax |
6405 | pathoswith | 410 | jz .fail_free_frs |
3742 | clevermous | 411 | mov [ebp+NTFS.cur_index_buf], eax |
6340 | pathoswith | 412 | add eax, 1000h |
413 | mov [ebp+NTFS.secondIndexBuffer], eax |
||
414 | mov [ebp+NTFS.cur_index_size], 8 |
||
5954 | pathoswith | 415 | ; reserve adress space for bitmap buffer and load some part of bitmap |
416 | mov eax, dword [ebp+NTFS.Length] |
||
417 | xor edx, edx |
||
418 | div [ebp+NTFS.sectors_per_cluster] |
||
419 | shr eax, 3 |
||
420 | mov [ebp+NTFS.BitmapTotalSize], eax |
||
421 | add eax, 7FFFh |
||
422 | and eax, not 7FFFh |
||
423 | push eax |
||
424 | call alloc_kernel_space |
||
425 | test eax, eax |
||
426 | jz .failFreeIndex |
||
427 | mov [ebp+NTFS.BitmapBuffer], eax |
||
6273 | pathoswith | 428 | mov [ebp+NTFS.cur_buf], eax |
5954 | pathoswith | 429 | mov eax, [ebp+NTFS.BitmapTotalSize] |
430 | add eax, [ebp+NTFS.mft_cluster] |
||
431 | shr eax, 3+2 ; reserve 1/8 of partition for $MFT |
||
432 | shl eax, 2 |
||
433 | mov [ebp+NTFS.BitmapStart], eax |
||
434 | shr eax, 15 |
||
435 | inc eax |
||
436 | shl eax, 3 |
||
437 | push eax |
||
438 | push eax |
||
439 | shl eax, 3 |
||
6273 | pathoswith | 440 | mov [ebp+NTFS.cur_size], eax |
5954 | pathoswith | 441 | call alloc_pages |
442 | test eax, eax |
||
443 | pop ecx |
||
444 | jz .failFreeBitmap |
||
445 | add eax, 3 |
||
446 | mov ebx, [ebp+NTFS.BitmapBuffer] |
||
447 | call commit_pages |
||
6273 | pathoswith | 448 | mov [ebp+NTFS.cur_iRecord], 6 |
449 | mov [ebp+NTFS.cur_attr], 0x80 |
||
450 | mov [ebp+NTFS.cur_offs], 0 |
||
5954 | pathoswith | 451 | call ntfs_read_attr |
452 | jc .failFreeBitmap |
||
6273 | pathoswith | 453 | mov eax, [ebp+NTFS.cur_read] |
5954 | pathoswith | 454 | mov [ebp+NTFS.BitmapSize], eax |
6273 | pathoswith | 455 | mov eax, [ebp+NTFS.LastRead] |
5954 | pathoswith | 456 | mov [ebp+NTFS.BitmapLocation], eax |
457 | ; read MFT $BITMAP attribute |
||
458 | mov eax, [ebp+NTFS.sectors_per_cluster] |
||
6273 | pathoswith | 459 | mov [ebp+NTFS.cur_size], eax |
5954 | pathoswith | 460 | shl eax, 9 |
461 | stdcall kernel_alloc, eax |
||
462 | test eax, eax |
||
463 | jz .failFreeBitmap |
||
464 | mov [ebp+NTFS.mftBitmapBuffer], eax |
||
6273 | pathoswith | 465 | mov [ebp+NTFS.cur_buf], eax |
466 | mov [ebp+NTFS.cur_iRecord], 0 |
||
467 | mov [ebp+NTFS.cur_attr], 0xB0 |
||
468 | mov [ebp+NTFS.cur_offs], 0 |
||
5954 | pathoswith | 469 | call ntfs_read_attr |
6273 | pathoswith | 470 | mov eax, [ebp+NTFS.cur_read] |
5954 | pathoswith | 471 | cmp eax, 4 |
472 | jc .failFreeBitmapMFT |
||
6273 | pathoswith | 473 | mov ecx, [ebp+NTFS.attr_offs] |
6107 | pathoswith | 474 | cmp byte [ecx+nonResidentFlag], 1 |
475 | jnz .failFreeBitmapMFT |
||
5954 | pathoswith | 476 | mov [ebp+NTFS.mftBitmapSize], eax |
6273 | pathoswith | 477 | mov eax, [ebp+NTFS.LastRead] |
5954 | pathoswith | 478 | mov [ebp+NTFS.mftBitmapLocation], eax |
2288 | clevermous | 479 | |
3742 | clevermous | 480 | mov eax, ebp |
5954 | pathoswith | 481 | .pop_exit: |
482 | pop esi ebp ebx |
||
483 | .exit: |
||
484 | cmp dword [esp+4], 0 |
||
485 | jz @f |
||
486 | sub ebx, 512 |
||
487 | @@: |
||
488 | ret |
||
489 | |||
490 | .failFreeBitmapMFT: |
||
6405 | pathoswith | 491 | stdcall kernel_free, [ebp+NTFS.mftBitmapBuffer] |
5954 | pathoswith | 492 | .failFreeBitmap: |
6405 | pathoswith | 493 | stdcall kernel_free, [ebp+NTFS.BitmapBuffer] |
5954 | pathoswith | 494 | .failFreeIndex: |
6405 | pathoswith | 495 | mov eax, [ebp+NTFS.cur_index_buf] |
496 | cmp eax, [ebp+NTFS.secondIndexBuffer] |
||
497 | jc @f |
||
498 | mov eax, [ebp+NTFS.secondIndexBuffer] |
||
499 | @@: |
||
500 | stdcall kernel_free, eax |
||
5954 | pathoswith | 501 | .fail_free_frs: |
502 | stdcall kernel_free, [ebp+NTFS.frs_buffer] |
||
503 | .fail_free: |
||
6405 | pathoswith | 504 | stdcall kernel_free, ebp |
5954 | pathoswith | 505 | xor eax, eax |
3742 | clevermous | 506 | jmp .pop_exit |
2288 | clevermous | 507 | |
5954 | pathoswith | 508 | ntfs_free: |
3742 | clevermous | 509 | push ebx |
5954 | pathoswith | 510 | mov ebx, eax |
3742 | clevermous | 511 | stdcall kernel_free, [ebx+NTFS.frs_buffer] |
5954 | pathoswith | 512 | stdcall kernel_free, [ebx+NTFS.mftBitmapBuffer] |
513 | stdcall kernel_free, [ebx+NTFS.BitmapBuffer] |
||
6405 | pathoswith | 514 | mov eax, [ebx+NTFS.cur_index_buf] |
515 | cmp eax, [ebx+NTFS.secondIndexBuffer] |
||
516 | jc @f |
||
517 | mov eax, [ebx+NTFS.secondIndexBuffer] |
||
518 | @@: |
||
519 | stdcall kernel_free, eax |
||
520 | stdcall kernel_free, ebx |
||
3742 | clevermous | 521 | pop ebx |
6405 | pathoswith | 522 | ret |
3742 | clevermous | 523 | |
5954 | pathoswith | 524 | ntfs_lock: |
3742 | clevermous | 525 | lea ecx, [ebp+NTFS.Lock] |
526 | jmp mutex_lock |
||
527 | |||
5954 | pathoswith | 528 | ntfs_unlock: |
3742 | clevermous | 529 | lea ecx, [ebp+NTFS.Lock] |
530 | jmp mutex_unlock |
||
531 | |||
2288 | clevermous | 532 | ntfs_read_attr: |
6273 | pathoswith | 533 | ; [ebp+NTFS.bWriteAttr]=1 -> write attribute |
5954 | pathoswith | 534 | ; in: |
6273 | pathoswith | 535 | ; [ebp+NTFS.cur_iRecord] = number of fileRecord |
536 | ; [ebp+NTFS.cur_attr] = attribute type |
||
537 | ; [ebp+NTFS.cur_offs] = attribute VCN in sectors |
||
538 | ; [ebp+NTFS.cur_buf] -> buffer for data |
||
539 | ; [ebp+NTFS.cur_size] = max sectors to read |
||
5954 | pathoswith | 540 | ; out: |
6273 | pathoswith | 541 | ; [ebp+NTFS.cur_read] = bytes readen |
5954 | pathoswith | 542 | ; CF=1 -> failed, eax = disk error code, eax=0 -> something with FS |
3742 | clevermous | 543 | xor eax, eax |
2288 | clevermous | 544 | pushad |
6273 | pathoswith | 545 | and [ebp+NTFS.cur_read], 0 |
546 | cmp [ebp+NTFS.cur_iRecord], 0 |
||
2288 | clevermous | 547 | jnz .nomft |
6273 | pathoswith | 548 | cmp [ebp+NTFS.cur_attr], 0x80 |
2288 | clevermous | 549 | jnz .nomft |
550 | ; precalculated part of $Mft $DATA |
||
6273 | pathoswith | 551 | mov eax, [ebp+NTFS.cur_offs] |
2288 | clevermous | 552 | xor edx, edx |
3742 | clevermous | 553 | div [ebp+NTFS.sectors_per_cluster] |
6405 | pathoswith | 554 | mov ebx, edx |
6418 | pathoswith | 555 | mov [ebp+NTFS.fragmentCount], 0 |
6405 | pathoswith | 556 | ; eax = VCN, ebx = offset in sectors from beginning of cluster |
557 | lea esi, [ebp+NTFS.mft_retrieval] |
||
558 | sub esi, 8 |
||
2288 | clevermous | 559 | .mftscan: |
6405 | pathoswith | 560 | add esi, 8 |
561 | cmp esi, [ebp+NTFS.mft_retrieval_end] |
||
562 | jz .nomft |
||
563 | mov ecx, [esi+4] |
||
2288 | clevermous | 564 | sub eax, [esi] |
6405 | pathoswith | 565 | jnc .mftscan |
2288 | clevermous | 566 | add ecx, eax |
567 | add ecx, [esi] |
||
6405 | pathoswith | 568 | neg eax |
569 | mul [ebp+NTFS.sectors_per_cluster] |
||
570 | xchg eax, ecx |
||
571 | mul [ebp+NTFS.sectors_per_cluster] |
||
572 | sub ecx, ebx |
||
573 | add eax, ebx |
||
6273 | pathoswith | 574 | mov ebx, [ebp+NTFS.cur_buf] |
575 | cmp ecx, [ebp+NTFS.cur_size] |
||
2288 | clevermous | 576 | jb @f |
6273 | pathoswith | 577 | mov ecx, [ebp+NTFS.cur_size] |
2288 | clevermous | 578 | @@: |
6405 | pathoswith | 579 | mov [ebp+NTFS.LastRead], eax |
580 | mov edi, ecx |
||
581 | call fs_read64_sys |
||
3742 | clevermous | 582 | test eax, eax |
6405 | pathoswith | 583 | jnz .errret |
584 | sub [ebp+NTFS.cur_size], edi |
||
585 | add [ebp+NTFS.cur_offs], edi |
||
586 | shl edi, 9 |
||
587 | add [ebp+NTFS.cur_read], edi |
||
588 | add [ebp+NTFS.cur_buf], edi |
||
6418 | pathoswith | 589 | inc [ebp+NTFS.fragmentCount] |
2288 | clevermous | 590 | xor eax, eax |
6405 | pathoswith | 591 | xor ebx, ebx |
6273 | pathoswith | 592 | cmp [ebp+NTFS.cur_size], eax |
2288 | clevermous | 593 | jz @f |
594 | jmp .mftscan |
||
6297 | pathoswith | 595 | |
596 | .errret2_pop: |
||
597 | xor eax, eax |
||
598 | .errret_pop: |
||
599 | pop ecx |
||
2288 | clevermous | 600 | pop ecx |
601 | .errret: |
||
3742 | clevermous | 602 | mov [esp+28], eax |
2288 | clevermous | 603 | stc |
6297 | pathoswith | 604 | @@: |
2288 | clevermous | 605 | popad |
606 | ret |
||
6297 | pathoswith | 607 | |
2288 | clevermous | 608 | .nomft: |
609 | ; 1. Read file record. |
||
610 | ; N.B. This will do recursive call of read_attr for $MFT::$Data. |
||
6273 | pathoswith | 611 | mov eax, [ebp+NTFS.cur_iRecord] |
612 | and [ebp+NTFS.attr_list], 0 |
||
613 | or dword [ebp+NTFS.attr_size+4], -1 |
||
614 | or [ebp+NTFS.attr_iBaseRecord], -1 |
||
2288 | clevermous | 615 | call ntfs_read_file_record |
3742 | clevermous | 616 | jc .errret |
2288 | clevermous | 617 | ; 2. Find required attribute. |
3742 | clevermous | 618 | mov eax, [ebp+NTFS.frs_buffer] |
6107 | pathoswith | 619 | ; a) For auxiliary records, read base record. |
620 | ; If base record is present, base iRecord may be 0 (for $Mft), |
||
621 | ; but SequenceNumber is nonzero. |
||
6297 | pathoswith | 622 | cmp word [eax+baseRecordReuse], 0 |
2288 | clevermous | 623 | jz @f |
6297 | pathoswith | 624 | mov eax, [eax+baseRecordReference] |
2288 | clevermous | 625 | .beginfindattr: |
626 | call ntfs_read_file_record |
||
3742 | clevermous | 627 | jc .errret |
6107 | pathoswith | 628 | jmp @f |
6297 | pathoswith | 629 | |
6107 | pathoswith | 630 | .newAttribute: |
631 | pushad |
||
6297 | pathoswith | 632 | and [ebp+NTFS.cur_read], 0 |
2288 | clevermous | 633 | @@: |
634 | ; b) Scan for required attribute and for $ATTR_LIST |
||
3742 | clevermous | 635 | mov eax, [ebp+NTFS.frs_buffer] |
6297 | pathoswith | 636 | movzx ecx, word [eax+attributeOffset] |
2288 | clevermous | 637 | add eax, ecx |
6273 | pathoswith | 638 | mov ecx, [ebp+NTFS.cur_attr] |
639 | and [ebp+NTFS.attr_offs], 0 |
||
2288 | clevermous | 640 | .scanattr: |
641 | cmp dword [eax], -1 |
||
642 | jz .scandone |
||
643 | cmp dword [eax], ecx |
||
644 | jz .okattr |
||
6273 | pathoswith | 645 | cmp [ebp+NTFS.attr_iBaseRecord], -1 |
2288 | clevermous | 646 | jnz .scancont |
647 | cmp dword [eax], 0x20 ; $ATTR_LIST |
||
648 | jnz .scancont |
||
6273 | pathoswith | 649 | mov [ebp+NTFS.attr_list], eax |
2288 | clevermous | 650 | jmp .scancont |
6297 | pathoswith | 651 | |
2288 | clevermous | 652 | .okattr: |
653 | ; ignore named $DATA attributes (aka NTFS streams) |
||
654 | cmp ecx, 0x80 |
||
655 | jnz @f |
||
6297 | pathoswith | 656 | cmp byte [eax+nameLength], 0 |
2288 | clevermous | 657 | jnz .scancont |
658 | @@: |
||
6273 | pathoswith | 659 | mov [ebp+NTFS.attr_offs], eax |
2288 | clevermous | 660 | .scancont: |
6297 | pathoswith | 661 | add eax, [eax+sizeWithHeader] |
2288 | clevermous | 662 | jmp .scanattr |
6297 | pathoswith | 663 | |
2288 | clevermous | 664 | .continue: |
665 | pushad |
||
6273 | pathoswith | 666 | and [ebp+NTFS.cur_read], 0 |
2288 | clevermous | 667 | .scandone: |
668 | ; c) Check for required offset and length |
||
6273 | pathoswith | 669 | mov ecx, [ebp+NTFS.attr_offs] |
2288 | clevermous | 670 | jecxz .noattr |
6273 | pathoswith | 671 | push [ebp+NTFS.cur_size] |
672 | push [ebp+NTFS.cur_read] |
||
2288 | clevermous | 673 | call .doreadattr |
674 | pop edx |
||
3742 | clevermous | 675 | pop ecx |
6297 | pathoswith | 676 | jc .ret |
6273 | pathoswith | 677 | cmp [ebp+NTFS.bCanContinue], 0 |
6297 | pathoswith | 678 | jz .ret |
6273 | pathoswith | 679 | sub edx, [ebp+NTFS.cur_read] |
2288 | clevermous | 680 | neg edx |
681 | shr edx, 9 |
||
3742 | clevermous | 682 | sub ecx, edx |
6273 | pathoswith | 683 | mov [ebp+NTFS.cur_size], ecx |
6297 | pathoswith | 684 | jz .ret |
2288 | clevermous | 685 | .noattr: |
6273 | pathoswith | 686 | cmp [ebp+NTFS.cur_attr], 0x20 |
2288 | clevermous | 687 | jz @f |
6273 | pathoswith | 688 | mov ecx, [ebp+NTFS.attr_list] |
2288 | clevermous | 689 | test ecx, ecx |
690 | jnz .lookattr |
||
3742 | clevermous | 691 | and dword [esp+28], 0 |
6297 | pathoswith | 692 | cmp [ebp+NTFS.attr_offs], 1 ; define CF |
693 | .ret: |
||
2288 | clevermous | 694 | popad |
695 | ret |
||
6297 | pathoswith | 696 | |
2288 | clevermous | 697 | .lookattr: |
698 | ; required attribute or required offset was not found in base record; |
||
699 | ; it may be present in auxiliary records; |
||
700 | ; scan $ATTR_LIST |
||
6273 | pathoswith | 701 | mov eax, [ebp+NTFS.attr_iBaseRecord] |
2288 | clevermous | 702 | cmp eax, -1 |
703 | jz @f |
||
704 | call ntfs_read_file_record |
||
3742 | clevermous | 705 | jc .errret |
6273 | pathoswith | 706 | or [ebp+NTFS.attr_iBaseRecord], -1 |
2288 | clevermous | 707 | @@: |
6273 | pathoswith | 708 | push [ebp+NTFS.cur_offs] |
709 | push [ebp+NTFS.cur_size] |
||
710 | push [ebp+NTFS.cur_read] |
||
711 | push [ebp+NTFS.cur_buf] |
||
712 | push dword [ebp+NTFS.attr_size] |
||
713 | push dword [ebp+NTFS.attr_size+4] |
||
714 | or dword [ebp+NTFS.attr_size+4], -1 |
||
715 | and [ebp+NTFS.cur_offs], 0 |
||
716 | mov [ebp+NTFS.cur_size], 2 |
||
717 | and [ebp+NTFS.cur_read], 0 |
||
718 | lea eax, [ebp+NTFS.attrlist_buf] |
||
719 | cmp [ebp+NTFS.cur_iRecord], 0 |
||
2288 | clevermous | 720 | jnz @f |
6273 | pathoswith | 721 | lea eax, [ebp+NTFS.attrlist_mft_buf] |
2288 | clevermous | 722 | @@: |
6273 | pathoswith | 723 | mov [ebp+NTFS.cur_buf], eax |
2288 | clevermous | 724 | push eax |
725 | call .doreadattr |
||
726 | pop esi |
||
727 | mov edx, 1 |
||
6273 | pathoswith | 728 | pop dword [ebp+NTFS.attr_size+4] |
729 | pop dword [ebp+NTFS.attr_size] |
||
730 | mov ecx, [ebp+NTFS.cur_read] |
||
731 | pop [ebp+NTFS.cur_buf] |
||
732 | pop [ebp+NTFS.cur_read] |
||
733 | pop [ebp+NTFS.cur_size] |
||
734 | pop [ebp+NTFS.cur_offs] |
||
2288 | clevermous | 735 | jc .errret |
736 | or edi, -1 |
||
3742 | clevermous | 737 | lea ecx, [ecx+esi-1Ah] |
2288 | clevermous | 738 | .scanliststart: |
3742 | clevermous | 739 | push ecx |
6273 | pathoswith | 740 | mov eax, [ebp+NTFS.cur_attr] |
2288 | clevermous | 741 | .scanlist: |
3742 | clevermous | 742 | cmp esi, [esp] |
2288 | clevermous | 743 | jae .scanlistdone |
744 | cmp eax, [esi] |
||
745 | jz @f |
||
746 | .scanlistcont: |
||
747 | movzx ecx, word [esi+4] |
||
748 | add esi, ecx |
||
749 | jmp .scanlist |
||
6297 | pathoswith | 750 | |
2288 | clevermous | 751 | @@: |
752 | ; ignore named $DATA attributes (aka NTFS streams) |
||
753 | cmp eax, 0x80 |
||
754 | jnz @f |
||
755 | cmp byte [esi+6], 0 |
||
756 | jnz .scanlistcont |
||
757 | @@: |
||
758 | push eax |
||
759 | mov eax, [esi+8] |
||
760 | test eax, eax |
||
761 | jnz .testf |
||
6407 | pathoswith | 762 | cmp dword [ebp+NTFS.attr_size+4], -1 |
2288 | clevermous | 763 | jnz .testfz |
764 | ; if attribute is in auxiliary records, its size is defined only in first |
||
765 | mov eax, [esi+10h] |
||
766 | call ntfs_read_file_record |
||
6297 | pathoswith | 767 | jc .errret_pop |
3742 | clevermous | 768 | mov eax, [ebp+NTFS.frs_buffer] |
2288 | clevermous | 769 | movzx ecx, word [eax+14h] |
770 | add eax, ecx |
||
6273 | pathoswith | 771 | mov ecx, [ebp+NTFS.cur_attr] |
2288 | clevermous | 772 | @@: |
773 | cmp dword [eax], -1 |
||
3742 | clevermous | 774 | jz .errret2_pop |
2288 | clevermous | 775 | cmp dword [eax], ecx |
776 | jz @f |
||
777 | .l1: |
||
778 | add eax, [eax+4] |
||
779 | jmp @b |
||
6297 | pathoswith | 780 | |
2288 | clevermous | 781 | @@: |
782 | cmp eax, 0x80 |
||
783 | jnz @f |
||
784 | cmp byte [eax+9], 0 |
||
785 | jnz .l1 |
||
786 | @@: |
||
787 | cmp byte [eax+8], 0 |
||
788 | jnz .sdnores |
||
789 | mov eax, [eax+10h] |
||
6273 | pathoswith | 790 | mov dword [ebp+NTFS.attr_size], eax |
791 | and dword [ebp+NTFS.attr_size+4], 0 |
||
2288 | clevermous | 792 | jmp .testfz |
6297 | pathoswith | 793 | |
2288 | clevermous | 794 | .sdnores: |
795 | mov ecx, [eax+30h] |
||
6273 | pathoswith | 796 | mov dword [ebp+NTFS.attr_size], ecx |
2288 | clevermous | 797 | mov ecx, [eax+34h] |
6273 | pathoswith | 798 | mov dword [ebp+NTFS.attr_size+4], ecx |
2288 | clevermous | 799 | .testfz: |
800 | xor eax, eax |
||
801 | .testf: |
||
3742 | clevermous | 802 | imul eax, [ebp+NTFS.sectors_per_cluster] |
6273 | pathoswith | 803 | cmp eax, [ebp+NTFS.cur_offs] |
2288 | clevermous | 804 | pop eax |
805 | ja @f |
||
806 | mov edi, [esi+10h] ; keep previous iRecord |
||
807 | jmp .scanlistcont |
||
6297 | pathoswith | 808 | |
2288 | clevermous | 809 | @@: |
3742 | clevermous | 810 | pop ecx |
2288 | clevermous | 811 | .scanlistfound: |
812 | cmp edi, -1 |
||
6297 | pathoswith | 813 | jz .ret |
6273 | pathoswith | 814 | mov eax, [ebp+NTFS.cur_iRecord] |
815 | mov [ebp+NTFS.attr_iBaseRecord], eax |
||
2288 | clevermous | 816 | mov eax, edi |
817 | jmp .beginfindattr |
||
6297 | pathoswith | 818 | |
2288 | clevermous | 819 | .scanlistdone: |
3742 | clevermous | 820 | pop ecx |
821 | sub ecx, ebp |
||
6273 | pathoswith | 822 | sub ecx, NTFS.attrlist_buf-1Ah |
823 | cmp [ebp+NTFS.cur_iRecord], 0 |
||
2288 | clevermous | 824 | jnz @f |
6273 | pathoswith | 825 | sub ecx, NTFS.attrlist_mft_buf-NTFS.attrlist_buf |
2288 | clevermous | 826 | @@: |
3742 | clevermous | 827 | cmp ecx, 0x400 |
2288 | clevermous | 828 | jnz .scanlistfound |
829 | inc edx |
||
830 | push esi edi |
||
6273 | pathoswith | 831 | lea esi, [ebp+NTFS.attrlist_buf+0x200] |
832 | lea edi, [ebp+NTFS.attrlist_buf] |
||
833 | cmp [ebp+NTFS.cur_iRecord], 0 |
||
2288 | clevermous | 834 | jnz @f |
6273 | pathoswith | 835 | lea esi, [ebp+NTFS.attrlist_mft_buf+0x200] |
836 | lea edi, [ebp+NTFS.attrlist_mft_buf] |
||
2288 | clevermous | 837 | @@: |
838 | mov ecx, 0x200/4 |
||
839 | rep movsd |
||
840 | mov eax, edi |
||
841 | pop edi esi |
||
842 | sub esi, 0x200 |
||
6273 | pathoswith | 843 | push [ebp+NTFS.cur_offs] |
844 | push [ebp+NTFS.cur_size] |
||
845 | push [ebp+NTFS.cur_read] |
||
846 | push [ebp+NTFS.cur_buf] |
||
847 | push dword [ebp+NTFS.attr_size] |
||
848 | push dword [ebp+NTFS.attr_size+4] |
||
849 | or dword [ebp+NTFS.attr_size+4], -1 |
||
850 | mov [ebp+NTFS.cur_offs], edx |
||
851 | mov [ebp+NTFS.cur_size], 1 |
||
852 | and [ebp+NTFS.cur_read], 0 |
||
853 | mov [ebp+NTFS.cur_buf], eax |
||
854 | mov ecx, [ebp+NTFS.attr_list] |
||
3742 | clevermous | 855 | push esi edx edi |
2288 | clevermous | 856 | call .doreadattr |
3742 | clevermous | 857 | pop edi edx esi |
6273 | pathoswith | 858 | mov ecx, [ebp+NTFS.cur_read] |
859 | pop dword [ebp+NTFS.attr_size+4] |
||
860 | pop dword [ebp+NTFS.attr_size] |
||
861 | pop [ebp+NTFS.cur_buf] |
||
862 | pop [ebp+NTFS.cur_read] |
||
863 | pop [ebp+NTFS.cur_size] |
||
864 | pop [ebp+NTFS.cur_offs] |
||
2288 | clevermous | 865 | jc .errret |
6273 | pathoswith | 866 | lea ecx, [ecx+ebp+NTFS.attrlist_buf+0x200-0x1A] |
867 | cmp [ebp+NTFS.cur_iRecord], 0 |
||
2288 | clevermous | 868 | jnz .scanliststart |
6273 | pathoswith | 869 | add ecx, NTFS.attrlist_mft_buf-NTFS.attrlist_buf |
2288 | clevermous | 870 | jmp .scanliststart |
871 | |||
872 | .doreadattr: |
||
6273 | pathoswith | 873 | mov [ebp+NTFS.bCanContinue], 0 |
6297 | pathoswith | 874 | cmp byte [ecx+nonResidentFlag], 0 |
2288 | clevermous | 875 | jnz .nonresident |
6297 | pathoswith | 876 | mov eax, [ecx+sizeWithoutHeader] |
2288 | clevermous | 877 | mov esi, eax |
6273 | pathoswith | 878 | mov edx, [ebp+NTFS.cur_offs] |
2288 | clevermous | 879 | shr eax, 9 |
880 | cmp eax, edx |
||
881 | jb .okret |
||
882 | shl edx, 9 |
||
883 | sub esi, edx |
||
6297 | pathoswith | 884 | movzx eax, word [ecx+attributeOffset] |
2288 | clevermous | 885 | add edx, eax |
886 | add edx, ecx ; edx -> data |
||
6273 | pathoswith | 887 | mov eax, [ebp+NTFS.cur_size] |
2288 | clevermous | 888 | cmp eax, (0xFFFFFFFF shr 9)+1 |
889 | jbe @f |
||
890 | mov eax, (0xFFFFFFFF shr 9)+1 |
||
891 | @@: |
||
892 | shl eax, 9 |
||
893 | cmp eax, esi |
||
894 | jbe @f |
||
895 | mov eax, esi |
||
896 | @@: |
||
897 | ; eax = length, edx -> data |
||
6273 | pathoswith | 898 | mov [ebp+NTFS.cur_read], eax |
2288 | clevermous | 899 | mov ecx, eax |
900 | mov eax, edx |
||
6273 | pathoswith | 901 | mov ebx, [ebp+NTFS.cur_buf] |
2288 | clevermous | 902 | call memmove |
6273 | pathoswith | 903 | and [ebp+NTFS.cur_size], 0 ; CF=0 |
2288 | clevermous | 904 | ret |
6297 | pathoswith | 905 | |
2288 | clevermous | 906 | .nonresident: |
907 | ; Not all auxiliary records contain correct FileSize info |
||
6273 | pathoswith | 908 | mov eax, dword [ebp+NTFS.attr_size] |
909 | mov edx, dword [ebp+NTFS.attr_size+4] |
||
6407 | pathoswith | 910 | cmp edx, -1 |
2288 | clevermous | 911 | jnz @f |
6297 | pathoswith | 912 | mov eax, [ecx+attributeRealSize] |
913 | mov edx, [ecx+attributeRealSize+4] |
||
6273 | pathoswith | 914 | mov dword [ebp+NTFS.attr_size], eax |
915 | mov dword [ebp+NTFS.attr_size+4], edx |
||
2288 | clevermous | 916 | @@: |
917 | add eax, 0x1FF |
||
918 | adc edx, 0 |
||
919 | shrd eax, edx, 9 |
||
6273 | pathoswith | 920 | sub eax, [ebp+NTFS.cur_offs] |
2288 | clevermous | 921 | ja @f |
922 | ; return with nothing read |
||
6273 | pathoswith | 923 | and [ebp+NTFS.cur_size], 0 |
2288 | clevermous | 924 | .okret: |
925 | clc |
||
926 | ret |
||
6297 | pathoswith | 927 | |
2288 | clevermous | 928 | @@: |
929 | ; reduce read length |
||
6273 | pathoswith | 930 | and [ebp+NTFS.cur_tail], 0 |
931 | cmp [ebp+NTFS.cur_size], eax |
||
2288 | clevermous | 932 | jb @f |
6273 | pathoswith | 933 | mov [ebp+NTFS.cur_size], eax |
934 | mov eax, dword [ebp+NTFS.attr_size] |
||
2288 | clevermous | 935 | and eax, 0x1FF |
6273 | pathoswith | 936 | mov [ebp+NTFS.cur_tail], eax |
2288 | clevermous | 937 | @@: |
6273 | pathoswith | 938 | mov eax, [ebp+NTFS.cur_offs] |
2288 | clevermous | 939 | xor edx, edx |
3742 | clevermous | 940 | div [ebp+NTFS.sectors_per_cluster] |
6297 | pathoswith | 941 | sub eax, [ecx+firstVCN] |
2288 | clevermous | 942 | jb .okret |
6405 | pathoswith | 943 | mov ebx, edx |
944 | ; eax = starting cluster, ebx = sector in the cluster |
||
6273 | pathoswith | 945 | cmp [ebp+NTFS.cur_attr], 0x80 |
5994 | pathoswith | 946 | jnz .sys |
6273 | pathoswith | 947 | cmp [ebp+NTFS.cur_iRecord], 0 |
5994 | pathoswith | 948 | jz .sys |
949 | push fs_read64_app |
||
6273 | pathoswith | 950 | cmp [ebp+NTFS.bWriteAttr], 1 |
5994 | pathoswith | 951 | jnz @f |
952 | mov dword[esp], fs_write64_app |
||
953 | jmp @f |
||
6297 | pathoswith | 954 | |
5994 | pathoswith | 955 | .sys: |
956 | push fs_read64_sys |
||
957 | @@: |
||
2288 | clevermous | 958 | sub esp, 10h |
6297 | pathoswith | 959 | movzx esi, word [ecx+dataRunsOffset] |
2288 | clevermous | 960 | add esi, ecx |
3742 | clevermous | 961 | xor edi, edi |
6273 | pathoswith | 962 | mov [ebp+NTFS.fragmentCount], 0 |
2288 | clevermous | 963 | .readloop: |
964 | call ntfs_decode_mcb_entry |
||
965 | jnc .break |
||
3742 | clevermous | 966 | add edi, [esp+8] |
2288 | clevermous | 967 | sub eax, [esp] |
968 | jae .readloop |
||
6405 | pathoswith | 969 | mov ecx, edi |
970 | add ecx, eax |
||
971 | add ecx, [esp] |
||
972 | neg eax |
||
973 | mul [ebp+NTFS.sectors_per_cluster] |
||
974 | xchg eax, ecx |
||
975 | mul [ebp+NTFS.sectors_per_cluster] |
||
976 | sub ecx, ebx |
||
977 | add eax, ebx |
||
978 | mov ebx, [ebp+NTFS.cur_buf] |
||
6273 | pathoswith | 979 | cmp ecx, [ebp+NTFS.cur_size] |
2288 | clevermous | 980 | jb @f |
6273 | pathoswith | 981 | mov ecx, [ebp+NTFS.cur_size] |
2288 | clevermous | 982 | @@: |
6273 | pathoswith | 983 | mov [ebp+NTFS.LastRead], eax |
5954 | pathoswith | 984 | push ecx |
6405 | pathoswith | 985 | call dword[esp+14h] |
5954 | pathoswith | 986 | pop ecx |
3742 | clevermous | 987 | test eax, eax |
2288 | clevermous | 988 | jnz .errread2 |
6273 | pathoswith | 989 | sub [ebp+NTFS.cur_size], ecx |
990 | add [ebp+NTFS.cur_offs], ecx |
||
5954 | pathoswith | 991 | shl ecx, 9 |
6273 | pathoswith | 992 | add [ebp+NTFS.cur_read], ecx |
993 | add [ebp+NTFS.cur_buf], ecx |
||
994 | inc [ebp+NTFS.fragmentCount] |
||
2288 | clevermous | 995 | xor eax, eax |
6405 | pathoswith | 996 | xor ebx, ebx |
6273 | pathoswith | 997 | cmp [ebp+NTFS.cur_size], 0 |
2288 | clevermous | 998 | jnz .readloop |
5994 | pathoswith | 999 | add esp, 14h |
6273 | pathoswith | 1000 | mov eax, [ebp+NTFS.cur_tail] |
2288 | clevermous | 1001 | test eax, eax |
1002 | jz @f |
||
1003 | sub eax, 0x200 |
||
6273 | pathoswith | 1004 | add [ebp+NTFS.cur_read], eax |
2288 | clevermous | 1005 | @@: |
1006 | clc |
||
1007 | ret |
||
6297 | pathoswith | 1008 | |
2288 | clevermous | 1009 | .errread2: |
5994 | pathoswith | 1010 | add esp, 14h |
2288 | clevermous | 1011 | stc |
1012 | ret |
||
6297 | pathoswith | 1013 | |
2288 | clevermous | 1014 | .break: |
5994 | pathoswith | 1015 | add esp, 14h ; CF=0 |
6273 | pathoswith | 1016 | mov [ebp+NTFS.bCanContinue], 1 |
2288 | clevermous | 1017 | ret |
1018 | |||
1019 | ntfs_read_file_record: |
||
5954 | pathoswith | 1020 | ; in: eax = iRecord |
6080 | pathoswith | 1021 | ; out: [ebp+NTFS.frs_buffer] -> file record |
5954 | pathoswith | 1022 | ; CF=1 -> failed, eax = disk error code, eax=0 -> something with FS |
1023 | ; Read attr $DATA of $Mft, starting from eax*[ebp+NTFS.frs_size] |
||
2288 | clevermous | 1024 | push ecx edx |
3742 | clevermous | 1025 | mov ecx, [ebp+NTFS.frs_size] |
2288 | clevermous | 1026 | mul ecx |
1027 | shrd eax, edx, 9 |
||
1028 | shr edx, 9 |
||
3742 | clevermous | 1029 | jnz .errret |
6273 | pathoswith | 1030 | push [ebp+NTFS.attr_iBaseRecord] |
1031 | push [ebp+NTFS.attr_offs] |
||
1032 | push [ebp+NTFS.attr_list] |
||
1033 | push dword [ebp+NTFS.attr_size+4] |
||
1034 | push dword [ebp+NTFS.attr_size] |
||
1035 | push [ebp+NTFS.cur_iRecord] |
||
1036 | push [ebp+NTFS.cur_attr] |
||
1037 | push [ebp+NTFS.cur_offs] |
||
1038 | push [ebp+NTFS.cur_size] |
||
1039 | push [ebp+NTFS.cur_buf] |
||
1040 | push [ebp+NTFS.cur_read] |
||
1041 | mov [ebp+NTFS.cur_attr], 0x80 ; $DATA |
||
1042 | and [ebp+NTFS.cur_iRecord], 0 ; $Mft |
||
1043 | mov [ebp+NTFS.cur_offs], eax |
||
2288 | clevermous | 1044 | shr ecx, 9 |
6273 | pathoswith | 1045 | mov [ebp+NTFS.cur_size], ecx |
3742 | clevermous | 1046 | mov eax, [ebp+NTFS.frs_buffer] |
6273 | pathoswith | 1047 | mov [ebp+NTFS.cur_buf], eax |
2288 | clevermous | 1048 | call ntfs_read_attr |
6273 | pathoswith | 1049 | mov edx, [ebp+NTFS.cur_read] |
1050 | pop [ebp+NTFS.cur_read] |
||
1051 | pop [ebp+NTFS.cur_buf] |
||
1052 | pop [ebp+NTFS.cur_size] |
||
1053 | pop [ebp+NTFS.cur_offs] |
||
1054 | pop [ebp+NTFS.cur_attr] |
||
1055 | pop [ebp+NTFS.cur_iRecord] |
||
1056 | pop dword [ebp+NTFS.attr_size] |
||
1057 | pop dword [ebp+NTFS.attr_size+4] |
||
1058 | pop [ebp+NTFS.attr_list] |
||
1059 | pop [ebp+NTFS.attr_offs] |
||
1060 | pop [ebp+NTFS.attr_iBaseRecord] |
||
3742 | clevermous | 1061 | jc .ret |
1062 | cmp edx, [ebp+NTFS.frs_size] |
||
2288 | clevermous | 1063 | jnz .errret |
6408 | pathoswith | 1064 | mov eax, [ebp+NTFS.LastRead] |
1065 | mov [ebp+NTFS.mftLastRead], eax |
||
3742 | clevermous | 1066 | mov eax, [ebp+NTFS.frs_buffer] |
2288 | clevermous | 1067 | cmp dword [eax], 'FILE' |
1068 | jnz .errret |
||
1069 | push ebx |
||
1070 | mov ebx, eax |
||
1071 | call ntfs_restore_usa_frs |
||
1072 | pop ebx |
||
3742 | clevermous | 1073 | jc .errret |
2288 | clevermous | 1074 | .ret: |
3742 | clevermous | 1075 | pop edx ecx |
2288 | clevermous | 1076 | ret |
6297 | pathoswith | 1077 | |
3742 | clevermous | 1078 | .errret: |
2288 | clevermous | 1079 | pop edx ecx |
1080 | xor eax, eax |
||
3742 | clevermous | 1081 | stc |
2288 | clevermous | 1082 | ret |
1083 | |||
1084 | ntfs_restore_usa_frs: |
||
3742 | clevermous | 1085 | mov eax, [ebp+NTFS.frs_size] |
2288 | clevermous | 1086 | ntfs_restore_usa: |
6080 | pathoswith | 1087 | ; in: |
1088 | ; ebx -> record |
||
1089 | ; eax = size in bytes |
||
2288 | clevermous | 1090 | pushad |
1091 | shr eax, 9 |
||
1092 | mov ecx, eax |
||
1093 | inc eax |
||
6297 | pathoswith | 1094 | cmp [ebx+updateSequenceSize], ax |
2288 | clevermous | 1095 | jnz .err |
6297 | pathoswith | 1096 | movzx eax, word [ebx+updateSequenceOffset] |
2288 | clevermous | 1097 | lea esi, [eax+ebx] |
1098 | lodsw |
||
1099 | mov edx, eax |
||
1100 | lea edi, [ebx+0x1FE] |
||
1101 | @@: |
||
1102 | cmp [edi], dx |
||
1103 | jnz .err |
||
1104 | lodsw |
||
1105 | stosw |
||
1106 | add edi, 0x1FE |
||
1107 | loop @b |
||
1108 | popad |
||
1109 | clc |
||
1110 | ret |
||
6297 | pathoswith | 1111 | |
2288 | clevermous | 1112 | .err: |
1113 | popad |
||
1114 | stc |
||
1115 | ret |
||
1116 | |||
1117 | ntfs_decode_mcb_entry: |
||
6019 | pathoswith | 1118 | ; in: |
6080 | pathoswith | 1119 | ; esi -> MCB entry |
6019 | pathoswith | 1120 | ; esp -> buffer (16 bytes) |
1121 | ; out: |
||
6080 | pathoswith | 1122 | ; esi -> next MCB entry |
6019 | pathoswith | 1123 | ; esp -> data run size |
1124 | ; esp+8 -> cluster (delta) |
||
6080 | pathoswith | 1125 | ; CF=0 -> MCB end |
2288 | clevermous | 1126 | push eax ecx edi |
1127 | lea edi, [esp+16] |
||
1128 | xor eax, eax |
||
1129 | lodsb |
||
1130 | test al, al |
||
1131 | jz .end |
||
1132 | mov ecx, eax |
||
1133 | and ecx, 0xF |
||
1134 | cmp ecx, 8 |
||
1135 | ja .end |
||
1136 | push ecx |
||
1137 | rep movsb |
||
1138 | pop ecx |
||
1139 | sub ecx, 8 |
||
1140 | neg ecx |
||
1141 | cmp byte [esi-1], 80h |
||
1142 | jae .end |
||
1143 | push eax |
||
1144 | xor eax, eax |
||
1145 | rep stosb |
||
1146 | pop ecx |
||
1147 | shr ecx, 4 |
||
1148 | cmp ecx, 8 |
||
1149 | ja .end |
||
1150 | push ecx |
||
1151 | rep movsb |
||
1152 | pop ecx |
||
1153 | sub ecx, 8 |
||
1154 | neg ecx |
||
1155 | cmp byte [esi-1], 80h |
||
1156 | cmc |
||
1157 | sbb eax, eax |
||
1158 | rep stosb |
||
1159 | stc |
||
1160 | .end: |
||
1161 | pop edi ecx eax |
||
1162 | ret |
||
1163 | |||
1164 | unichar_toupper: |
||
1165 | push eax |
||
1166 | call uni2ansi_char |
||
1167 | cmp al, '_' |
||
1168 | jz .unk |
||
1169 | add esp, 4 |
||
1504 | diamond | 1170 | call char_toupper |
1171 | jmp ansi2uni_char |
||
1172 | .unk: |
||
1173 | pop eax |
||
1174 | ret |
||
2288 | clevermous | 1175 | |
1176 | ntfs_find_lfn: |
||
6468 | pathoswith | 1177 | ; in: esi -> path string |
5954 | pathoswith | 1178 | ; out: |
6405 | pathoswith | 1179 | ; [ebp+NTFS.cur_iRecord] = target fileRecord |
6411 | pathoswith | 1180 | ; eax -> target index in the node |
1181 | ; [ebp+NTFS.LastRead] = target node location |
||
6405 | pathoswith | 1182 | ; [ebp+NTFS.indexPointer] -> index, that points the target subnode |
6411 | pathoswith | 1183 | ; [ebp+NTFS.nodeLastRead] = branch node location |
6405 | pathoswith | 1184 | ; [ebp+NTFS.indexRoot] -> attribute |
6411 | pathoswith | 1185 | ; [ebp+NTFS.rootLastRead] = directory fileRecord location |
6405 | pathoswith | 1186 | ; [ebp+NTFS.cur_size] = index record size in sectors |
1187 | ; [ebp+NTFS.cur_subnode_size] = index record size in clusters or sectors |
||
5994 | pathoswith | 1188 | ; CF=1 -> file not found, eax=0 -> error |
6297 | pathoswith | 1189 | mov [ebp+NTFS.cur_iRecord], 5 ; start from root directory |
2288 | clevermous | 1190 | .doit2: |
6273 | pathoswith | 1191 | mov [ebp+NTFS.cur_attr], 0x90 ; $INDEX_ROOT |
1192 | and [ebp+NTFS.cur_offs], 0 |
||
3742 | clevermous | 1193 | mov eax, [ebp+NTFS.cur_index_size] |
6273 | pathoswith | 1194 | mov [ebp+NTFS.cur_size], eax |
3742 | clevermous | 1195 | mov eax, [ebp+NTFS.cur_index_buf] |
6273 | pathoswith | 1196 | mov [ebp+NTFS.cur_buf], eax |
2288 | clevermous | 1197 | call ntfs_read_attr |
5994 | pathoswith | 1198 | mov eax, 0 |
6297 | pathoswith | 1199 | jc .ret |
6273 | pathoswith | 1200 | cmp [ebp+NTFS.cur_read], 0x20 |
2288 | clevermous | 1201 | jc .ret |
6418 | pathoswith | 1202 | push esi |
2288 | clevermous | 1203 | pushad |
3742 | clevermous | 1204 | mov esi, [ebp+NTFS.cur_index_buf] |
6340 | pathoswith | 1205 | mov eax, [esi+indexRecordSize] |
1206 | shr eax, 9 |
||
1207 | cmp [ebp+NTFS.cur_index_size], eax |
||
6297 | pathoswith | 1208 | jc .realloc |
6340 | pathoswith | 1209 | mov [ebp+NTFS.cur_size], eax |
1210 | mov al, [esi+indexRecordSizeClus] |
||
1211 | mov [ebp+NTFS.cur_subnode_size], eax |
||
6297 | pathoswith | 1212 | add esi, rootNode |
1213 | mov eax, [esi+nodeRealSize] |
||
1214 | add eax, rootNode |
||
6273 | pathoswith | 1215 | cmp [ebp+NTFS.cur_read], eax |
6297 | pathoswith | 1216 | jc .err |
2288 | clevermous | 1217 | mov edi, [esp+4] |
6408 | pathoswith | 1218 | mov eax, [ebp+NTFS.mftLastRead] |
6340 | pathoswith | 1219 | mov [ebp+NTFS.rootLastRead], eax |
1220 | mov eax, [ebp+NTFS.attr_offs] |
||
1221 | mov [ebp+NTFS.indexRoot], eax |
||
1222 | ; edi -> name, esi -> current index node |
||
2288 | clevermous | 1223 | .scanloop: |
6297 | pathoswith | 1224 | add esi, [esi+indexOffset] |
2288 | clevermous | 1225 | .scanloopint: |
6297 | pathoswith | 1226 | test byte [esi+indexFlags], 2 |
2288 | clevermous | 1227 | jnz .subnode |
1228 | push esi |
||
6297 | pathoswith | 1229 | movzx ecx, byte [esi+fileNameLength] |
1230 | add esi, fileName |
||
2288 | clevermous | 1231 | push edi |
1232 | @@: |
||
1233 | lodsw |
||
1234 | call unichar_toupper |
||
1235 | push eax |
||
1236 | mov al, [edi] |
||
1237 | inc edi |
||
1238 | cmp al, '/' |
||
1239 | jz .slash |
||
1240 | call char_toupper |
||
1241 | call ansi2uni_char |
||
1242 | cmp ax, [esp] |
||
1243 | pop eax |
||
1244 | loopz @b |
||
1245 | jz .found |
||
1246 | pop edi |
||
1247 | pop esi |
||
1248 | jb .subnode |
||
1249 | .scanloopcont: |
||
6297 | pathoswith | 1250 | movzx eax, word [esi+indexAllocatedSize] |
2288 | clevermous | 1251 | add esi, eax |
1252 | jmp .scanloopint |
||
6297 | pathoswith | 1253 | |
1254 | .realloc: |
||
6340 | pathoswith | 1255 | mov edi, eax |
1256 | mov eax, [esi+indexRecordSize] |
||
1257 | shl eax, 1 |
||
1258 | stdcall kernel_alloc, eax |
||
6297 | pathoswith | 1259 | test eax, eax |
1260 | jz .err |
||
6405 | pathoswith | 1261 | mov edx, [ebp+NTFS.cur_index_buf] |
1262 | cmp edx, [ebp+NTFS.secondIndexBuffer] |
||
1263 | jc @f |
||
1264 | mov edx, [ebp+NTFS.secondIndexBuffer] |
||
1265 | @@: |
||
6297 | pathoswith | 1266 | mov [ebp+NTFS.cur_index_buf], eax |
6340 | pathoswith | 1267 | add eax, [esi+indexRecordSize] |
1268 | mov [ebp+NTFS.secondIndexBuffer], eax |
||
1269 | mov [ebp+NTFS.cur_index_size], edi |
||
6405 | pathoswith | 1270 | stdcall kernel_free, edx |
6297 | pathoswith | 1271 | popad |
6418 | pathoswith | 1272 | pop eax |
6297 | pathoswith | 1273 | jmp .doit2 |
1274 | |||
1275 | .notfound: |
||
1276 | mov [esp+1Ch], esi |
||
1277 | .err: |
||
1278 | popad |
||
1279 | stc |
||
6418 | pathoswith | 1280 | .ret2: |
1281 | pop esi |
||
6297 | pathoswith | 1282 | .ret: |
6468 | pathoswith | 1283 | ret |
6297 | pathoswith | 1284 | |
2288 | clevermous | 1285 | .slash: |
1286 | pop eax |
||
1287 | pop edi |
||
1288 | pop esi |
||
1289 | .subnode: |
||
6297 | pathoswith | 1290 | test byte [esi+indexFlags], 1 |
2288 | clevermous | 1291 | jz .notfound |
6411 | pathoswith | 1292 | mov eax, [ebp+NTFS.LastRead] |
1293 | mov [ebp+NTFS.nodeLastRead], eax |
||
1294 | mov [ebp+NTFS.indexPointer], esi |
||
6297 | pathoswith | 1295 | movzx eax, word [esi+indexAllocatedSize] |
2288 | clevermous | 1296 | mov eax, [esi+eax-8] |
6340 | pathoswith | 1297 | mov edx, [ebp+NTFS.cur_size] |
1298 | push edx |
||
1299 | cmp edx, [ebp+NTFS.cur_subnode_size] |
||
1300 | jz @f |
||
1301 | mul [ebp+NTFS.sectors_per_cluster] |
||
1302 | @@: |
||
1303 | mov esi, [ebp+NTFS.cur_index_buf] |
||
1304 | xchg [ebp+NTFS.secondIndexBuffer], esi |
||
1305 | mov [ebp+NTFS.cur_index_buf], esi |
||
1306 | mov [ebp+NTFS.cur_buf], esi |
||
1307 | mov [ebp+NTFS.cur_attr], 0xA0 ; $INDEX_ALLOCATION |
||
6273 | pathoswith | 1308 | mov [ebp+NTFS.cur_offs], eax |
6297 | pathoswith | 1309 | call ntfs_read_attr.newAttribute |
6340 | pathoswith | 1310 | pop eax |
1311 | mov [ebp+NTFS.cur_size], eax |
||
2288 | clevermous | 1312 | shl eax, 9 |
6273 | pathoswith | 1313 | cmp [ebp+NTFS.cur_read], eax |
5954 | pathoswith | 1314 | jnz .err |
2288 | clevermous | 1315 | cmp dword [esi], 'INDX' |
5954 | pathoswith | 1316 | jnz .err |
2288 | clevermous | 1317 | mov ebx, esi |
1318 | call ntfs_restore_usa |
||
5954 | pathoswith | 1319 | jc .err |
6297 | pathoswith | 1320 | add esi, recordNode |
2288 | clevermous | 1321 | jmp .scanloop |
6297 | pathoswith | 1322 | |
2288 | clevermous | 1323 | .found: |
1324 | cmp byte [edi], 0 |
||
6418 | pathoswith | 1325 | jz @f |
2288 | clevermous | 1326 | cmp byte [edi], '/' |
6418 | pathoswith | 1327 | jz @f |
2288 | clevermous | 1328 | pop edi |
1329 | pop esi |
||
1330 | jmp .scanloopcont |
||
6297 | pathoswith | 1331 | |
6418 | pathoswith | 1332 | @@: |
2288 | clevermous | 1333 | pop esi |
1334 | pop esi |
||
1335 | mov eax, [esi] |
||
6273 | pathoswith | 1336 | mov [ebp+NTFS.cur_iRecord], eax |
2288 | clevermous | 1337 | mov [esp+1Ch], esi |
1338 | mov [esp+4], edi |
||
1339 | popad |
||
6468 | pathoswith | 1340 | cmp byte [esi], 0 |
1341 | jz .ret2 |
||
2288 | clevermous | 1342 | inc esi |
6418 | pathoswith | 1343 | pop eax |
2288 | clevermous | 1344 | jmp .doit2 |
1345 | |||
1346 | ;---------------------------------------------------------------- |
||
5954 | pathoswith | 1347 | ntfs_ReadFile: |
2288 | clevermous | 1348 | cmp byte [esi], 0 |
1349 | jnz @f |
||
1350 | or ebx, -1 |
||
3598 | clevermous | 1351 | movi eax, ERROR_ACCESS_DENIED |
2288 | clevermous | 1352 | ret |
6297 | pathoswith | 1353 | |
2288 | clevermous | 1354 | @@: |
3742 | clevermous | 1355 | call ntfs_lock |
6468 | pathoswith | 1356 | call ntfs_find_lfn |
2288 | clevermous | 1357 | jnc .found |
3742 | clevermous | 1358 | call ntfs_unlock |
2288 | clevermous | 1359 | or ebx, -1 |
3598 | clevermous | 1360 | movi eax, ERROR_FILE_NOT_FOUND |
2288 | clevermous | 1361 | ret |
6297 | pathoswith | 1362 | |
2288 | clevermous | 1363 | .found: |
6273 | pathoswith | 1364 | mov [ebp+NTFS.cur_attr], 0x80 ; $DATA |
1365 | and [ebp+NTFS.cur_offs], 0 |
||
1366 | and [ebp+NTFS.cur_size], 0 |
||
2288 | clevermous | 1367 | call ntfs_read_attr |
1368 | jnc @f |
||
3742 | clevermous | 1369 | call ntfs_unlock |
2288 | clevermous | 1370 | or ebx, -1 |
3598 | clevermous | 1371 | movi eax, ERROR_ACCESS_DENIED |
2288 | clevermous | 1372 | ret |
6297 | pathoswith | 1373 | |
2288 | clevermous | 1374 | @@: |
1375 | pushad |
||
1376 | and dword [esp+10h], 0 |
||
1377 | xor eax, eax |
||
3742 | clevermous | 1378 | cmp dword [ebx+8], 0x200 |
2288 | clevermous | 1379 | jb @f |
1380 | .eof0: |
||
1381 | popad |
||
1382 | xor ebx, ebx |
||
1383 | .eof: |
||
3742 | clevermous | 1384 | call ntfs_unlock |
6297 | pathoswith | 1385 | movi eax, ERROR_END_OF_FILE |
2288 | clevermous | 1386 | ret |
6297 | pathoswith | 1387 | |
2288 | clevermous | 1388 | @@: |
3742 | clevermous | 1389 | mov ecx, [ebx+12] |
1390 | mov edx, [ebx+16] |
||
1391 | mov eax, [ebx+4] |
||
2288 | clevermous | 1392 | test eax, 0x1FF |
1393 | jz .alignedstart |
||
1394 | push edx |
||
3742 | clevermous | 1395 | mov edx, [ebx+8] |
2288 | clevermous | 1396 | shrd eax, edx, 9 |
1400 | turbanoff | 1397 | pop edx |
6273 | pathoswith | 1398 | mov [ebp+NTFS.cur_offs], eax |
1399 | mov [ebp+NTFS.cur_size], 1 |
||
1400 | lea eax, [ebp+NTFS.bitmap_buf] |
||
1401 | mov [ebp+NTFS.cur_buf], eax |
||
2288 | clevermous | 1402 | call ntfs_read_attr.continue |
3742 | clevermous | 1403 | mov eax, [ebx+4] |
2288 | clevermous | 1404 | and eax, 0x1FF |
6273 | pathoswith | 1405 | lea esi, [ebp+NTFS.bitmap_buf+eax] |
1406 | sub eax, [ebp+NTFS.cur_read] |
||
2288 | clevermous | 1407 | jae .eof0 |
1408 | neg eax |
||
1409 | push ecx |
||
1410 | cmp ecx, eax |
||
1411 | jb @f |
||
1412 | mov ecx, eax |
||
1413 | @@: |
||
1414 | mov [esp+10h+4], ecx |
||
1415 | mov edi, edx |
||
1416 | rep movsb |
||
1417 | mov edx, edi |
||
1418 | pop ecx |
||
1419 | sub ecx, [esp+10h] |
||
1420 | jnz @f |
||
1421 | .retok: |
||
1422 | popad |
||
3742 | clevermous | 1423 | call ntfs_unlock |
2288 | clevermous | 1424 | xor eax, eax |
1400 | turbanoff | 1425 | ret |
6297 | pathoswith | 1426 | |
2288 | clevermous | 1427 | @@: |
6273 | pathoswith | 1428 | cmp [ebp+NTFS.cur_read], 0x200 |
2288 | clevermous | 1429 | jz .alignedstart |
1430 | .eof_ebx: |
||
1431 | popad |
||
1432 | jmp .eof |
||
6297 | pathoswith | 1433 | |
2288 | clevermous | 1434 | .alignedstart: |
3742 | clevermous | 1435 | mov eax, [ebx+4] |
2288 | clevermous | 1436 | push edx |
3742 | clevermous | 1437 | mov edx, [ebx+8] |
2288 | clevermous | 1438 | add eax, 511 |
1439 | adc edx, 0 |
||
1440 | shrd eax, edx, 9 |
||
1441 | pop edx |
||
6273 | pathoswith | 1442 | mov [ebp+NTFS.cur_offs], eax |
1443 | mov [ebp+NTFS.cur_buf], edx |
||
2288 | clevermous | 1444 | mov eax, ecx |
1445 | shr eax, 9 |
||
6273 | pathoswith | 1446 | mov [ebp+NTFS.cur_size], eax |
1447 | add eax, [ebp+NTFS.cur_offs] |
||
2288 | clevermous | 1448 | push eax |
1449 | call ntfs_read_attr.continue |
||
6273 | pathoswith | 1450 | pop [ebp+NTFS.cur_offs] |
1451 | mov eax, [ebp+NTFS.cur_read] |
||
2288 | clevermous | 1452 | add [esp+10h], eax |
1453 | mov eax, ecx |
||
1454 | and eax, not 0x1FF |
||
6273 | pathoswith | 1455 | cmp [ebp+NTFS.cur_read], eax |
2288 | clevermous | 1456 | jnz .eof_ebx |
1457 | and ecx, 0x1FF |
||
1458 | jz .retok |
||
6273 | pathoswith | 1459 | add edx, [ebp+NTFS.cur_read] |
1460 | mov [ebp+NTFS.cur_size], 1 |
||
1461 | lea eax, [ebp+NTFS.bitmap_buf] |
||
1462 | mov [ebp+NTFS.cur_buf], eax |
||
2288 | clevermous | 1463 | call ntfs_read_attr.continue |
6273 | pathoswith | 1464 | cmp [ebp+NTFS.cur_read], ecx |
2288 | clevermous | 1465 | jb @f |
6273 | pathoswith | 1466 | mov [ebp+NTFS.cur_read], ecx |
2288 | clevermous | 1467 | @@: |
6273 | pathoswith | 1468 | xchg ecx, [ebp+NTFS.cur_read] |
2288 | clevermous | 1469 | push ecx |
1470 | mov edi, edx |
||
6273 | pathoswith | 1471 | lea esi, [ebp+NTFS.bitmap_buf] |
2288 | clevermous | 1472 | add [esp+10h+4], ecx |
1473 | rep movsb |
||
1474 | pop ecx |
||
1475 | xor eax, eax |
||
6273 | pathoswith | 1476 | cmp ecx, [ebp+NTFS.cur_read] |
2288 | clevermous | 1477 | jz @f |
1478 | mov al, ERROR_END_OF_FILE |
||
1479 | @@: |
||
1480 | mov [esp+1Ch], eax |
||
3742 | clevermous | 1481 | call ntfs_unlock |
2288 | clevermous | 1482 | popad |
1483 | ret |
||
1400 | turbanoff | 1484 | |
2288 | clevermous | 1485 | ;---------------------------------------------------------------- |
3742 | clevermous | 1486 | ntfs_ReadFolder: |
1487 | call ntfs_lock |
||
6297 | pathoswith | 1488 | mov [ebp+NTFS.cur_iRecord], 5 ; root directory |
2288 | clevermous | 1489 | cmp byte [esi], 0 |
6297 | pathoswith | 1490 | jz @f |
6468 | pathoswith | 1491 | call ntfs_find_lfn |
6297 | pathoswith | 1492 | jc ntfsNotFound |
1493 | @@: |
||
6273 | pathoswith | 1494 | mov [ebp+NTFS.cur_attr], 0x10 ; $STANDARD_INFORMATION |
1495 | and [ebp+NTFS.cur_offs], 0 |
||
1496 | mov [ebp+NTFS.cur_size], 1 |
||
1497 | lea eax, [ebp+NTFS.bitmap_buf] |
||
1498 | mov [ebp+NTFS.cur_buf], eax |
||
2288 | clevermous | 1499 | call ntfs_read_attr |
6297 | pathoswith | 1500 | jc ntfsFail |
6273 | pathoswith | 1501 | mov [ebp+NTFS.cur_attr], 0x90 ; $INDEX_ROOT |
6297 | pathoswith | 1502 | .doit: |
3742 | clevermous | 1503 | mov eax, [ebp+NTFS.cur_index_size] |
6273 | pathoswith | 1504 | mov [ebp+NTFS.cur_size], eax |
3742 | clevermous | 1505 | mov eax, [ebp+NTFS.cur_index_buf] |
6273 | pathoswith | 1506 | mov [ebp+NTFS.cur_buf], eax |
6297 | pathoswith | 1507 | call ntfs_read_attr.newAttribute |
1508 | jc ntfsFail |
||
6273 | pathoswith | 1509 | cmp [ebp+NTFS.cur_read], 0x20 |
6297 | pathoswith | 1510 | jc ntfsFail |
3742 | clevermous | 1511 | mov esi, [ebp+NTFS.cur_index_buf] |
6340 | pathoswith | 1512 | mov eax, [esi+indexRecordSize] |
1513 | shr eax, 9 |
||
1514 | cmp [ebp+NTFS.cur_index_size], eax |
||
6297 | pathoswith | 1515 | jc .realloc |
6340 | pathoswith | 1516 | mov [ebp+NTFS.cur_subnode_size], eax |
6297 | pathoswith | 1517 | add esi, rootNode |
1518 | mov eax, [esi+nodeRealSize] |
||
1519 | add eax, rootNode |
||
1520 | cmp [ebp+NTFS.cur_read], eax |
||
6408 | pathoswith | 1521 | jc ntfsFail |
1522 | mov edi, [ebx+16] |
||
1523 | mov ecx, [ebx+12] |
||
1524 | pushd [ebx] |
||
1525 | pushd [ebx+8] ; read ANSI/UNICODE name |
||
1526 | push edi |
||
1527 | mov edx, esp |
||
1528 | mov ebx, [ebx+4] |
||
2288 | clevermous | 1529 | ; init header |
1530 | xor eax, eax |
||
6408 | pathoswith | 1531 | mov [edi+8], eax |
1532 | mov [edi+4], eax |
||
1533 | inc eax |
||
1534 | mov [edi], eax ; version |
||
1535 | add edi, 32 |
||
3742 | clevermous | 1536 | ; edi -> BDFE, esi -> current index data, ebx = first wanted block, |
2288 | clevermous | 1537 | ; ecx = number of blocks to read |
1538 | ; edx -> parameters block: dd |
||
6273 | pathoswith | 1539 | cmp [ebp+NTFS.cur_iRecord], 5 |
2288 | clevermous | 1540 | jz .skip_specials |
1541 | ; dot and dotdot entries |
||
1542 | push esi |
||
1543 | xor esi, esi |
||
1544 | call .add_special_entry |
||
1545 | inc esi |
||
1546 | call .add_special_entry |
||
1547 | pop esi |
||
1548 | .skip_specials: |
||
1549 | ; at first, dump index root |
||
6297 | pathoswith | 1550 | add esi, [esi+indexOffset] |
2288 | clevermous | 1551 | .dump_root: |
6297 | pathoswith | 1552 | test byte [esi+indexFlags], 2 |
2288 | clevermous | 1553 | jnz .dump_root_done |
1554 | call .add_entry |
||
6297 | pathoswith | 1555 | movzx eax, word [esi+indexAllocatedSize] |
2288 | clevermous | 1556 | add esi, eax |
1557 | jmp .dump_root |
||
6297 | pathoswith | 1558 | |
1559 | .realloc: |
||
6340 | pathoswith | 1560 | mov edi, eax |
1561 | mov eax, [esi+indexRecordSize] |
||
1562 | shl eax, 1 |
||
1563 | stdcall kernel_alloc, eax |
||
6297 | pathoswith | 1564 | test eax, eax |
6408 | pathoswith | 1565 | jz ntfsFail |
6405 | pathoswith | 1566 | mov edx, [ebp+NTFS.cur_index_buf] |
1567 | cmp edx, [ebp+NTFS.secondIndexBuffer] |
||
1568 | jc @f |
||
1569 | mov edx, [ebp+NTFS.secondIndexBuffer] |
||
1570 | @@: |
||
6297 | pathoswith | 1571 | mov [ebp+NTFS.cur_index_buf], eax |
6340 | pathoswith | 1572 | add eax, [esi+indexRecordSize] |
1573 | mov [ebp+NTFS.secondIndexBuffer], eax |
||
1574 | mov [ebp+NTFS.cur_index_size], edi |
||
6405 | pathoswith | 1575 | stdcall kernel_free, edx |
6297 | pathoswith | 1576 | jmp .doit |
1577 | |||
2288 | clevermous | 1578 | .dump_root_done: |
1579 | ; now dump all subnodes |
||
1580 | push ecx edi |
||
6273 | pathoswith | 1581 | lea edi, [ebp+NTFS.bitmap_buf] |
1582 | mov [ebp+NTFS.cur_buf], edi |
||
2288 | clevermous | 1583 | mov ecx, 0x400/4 |
1584 | xor eax, eax |
||
1585 | rep stosd |
||
6273 | pathoswith | 1586 | mov [ebp+NTFS.cur_attr], 0xB0 ; $BITMAP |
1587 | and [ebp+NTFS.cur_offs], 0 |
||
1588 | mov [ebp+NTFS.cur_size], 2 |
||
6297 | pathoswith | 1589 | call ntfs_read_attr.newAttribute |
2288 | clevermous | 1590 | pop edi ecx |
1591 | push 0 ; save offset in $BITMAP attribute |
||
6273 | pathoswith | 1592 | and [ebp+NTFS.cur_offs], 0 |
2288 | clevermous | 1593 | .dumploop: |
6273 | pathoswith | 1594 | mov [ebp+NTFS.cur_attr], 0xA0 |
3742 | clevermous | 1595 | mov eax, [ebp+NTFS.cur_subnode_size] |
6273 | pathoswith | 1596 | mov [ebp+NTFS.cur_size], eax |
6297 | pathoswith | 1597 | mov esi, [ebp+NTFS.cur_index_buf] |
1598 | mov [ebp+NTFS.cur_buf], esi |
||
6273 | pathoswith | 1599 | mov eax, [ebp+NTFS.cur_offs] |
6297 | pathoswith | 1600 | push eax |
3742 | clevermous | 1601 | imul eax, [ebp+NTFS.cur_subnode_size] |
6273 | pathoswith | 1602 | mov [ebp+NTFS.cur_offs], eax |
6297 | pathoswith | 1603 | call ntfs_read_attr.newAttribute |
6273 | pathoswith | 1604 | pop [ebp+NTFS.cur_offs] |
3742 | clevermous | 1605 | mov eax, [ebp+NTFS.cur_subnode_size] |
2288 | clevermous | 1606 | shl eax, 9 |
6273 | pathoswith | 1607 | cmp [ebp+NTFS.cur_read], eax |
2288 | clevermous | 1608 | jnz .done |
1609 | push eax |
||
6273 | pathoswith | 1610 | mov eax, [ebp+NTFS.cur_offs] |
2288 | clevermous | 1611 | and eax, 0x400*8-1 |
6273 | pathoswith | 1612 | bt dword [ebp+NTFS.bitmap_buf], eax |
2288 | clevermous | 1613 | pop eax |
1614 | jnc .dump_subnode_done |
||
1615 | cmp dword [esi], 'INDX' |
||
1616 | jnz .dump_subnode_done |
||
1617 | push ebx |
||
1618 | mov ebx, esi |
||
1619 | call ntfs_restore_usa |
||
1620 | pop ebx |
||
1621 | jc .dump_subnode_done |
||
6297 | pathoswith | 1622 | add esi, recordNode |
1623 | add esi, [esi+indexOffset] |
||
2288 | clevermous | 1624 | .dump_subnode: |
6297 | pathoswith | 1625 | test byte [esi+indexFlags], 2 |
2288 | clevermous | 1626 | jnz .dump_subnode_done |
1627 | call .add_entry |
||
6297 | pathoswith | 1628 | movzx eax, word [esi+indexAllocatedSize] |
2288 | clevermous | 1629 | add esi, eax |
1630 | jmp .dump_subnode |
||
6297 | pathoswith | 1631 | |
2288 | clevermous | 1632 | .dump_subnode_done: |
6273 | pathoswith | 1633 | inc [ebp+NTFS.cur_offs] |
1634 | test [ebp+NTFS.cur_offs], 0x400*8-1 |
||
2288 | clevermous | 1635 | jnz .dumploop |
6273 | pathoswith | 1636 | mov [ebp+NTFS.cur_attr], 0xB0 |
2288 | clevermous | 1637 | push ecx edi |
6273 | pathoswith | 1638 | lea edi, [ebp+NTFS.bitmap_buf] |
1639 | mov [ebp+NTFS.cur_buf], edi |
||
2288 | clevermous | 1640 | mov ecx, 0x400/4 |
1641 | xor eax, eax |
||
1642 | rep stosd |
||
1643 | pop edi ecx |
||
1644 | pop eax |
||
6273 | pathoswith | 1645 | push [ebp+NTFS.cur_offs] |
2288 | clevermous | 1646 | inc eax |
6273 | pathoswith | 1647 | mov [ebp+NTFS.cur_offs], eax |
1648 | mov [ebp+NTFS.cur_size], 2 |
||
2288 | clevermous | 1649 | push eax |
6297 | pathoswith | 1650 | call ntfs_read_attr.newAttribute |
2288 | clevermous | 1651 | pop eax |
6273 | pathoswith | 1652 | pop [ebp+NTFS.cur_offs] |
2288 | clevermous | 1653 | push eax |
1654 | jmp .dumploop |
||
6297 | pathoswith | 1655 | |
2288 | clevermous | 1656 | .done: |
1657 | pop eax |
||
6408 | pathoswith | 1658 | pop eax |
1659 | mov ebx, [eax+4] |
||
1660 | pop eax |
||
1661 | pop eax |
||
1662 | test eax, eax |
||
1663 | jz .ret |
||
2288 | clevermous | 1664 | xor eax, eax |
1665 | dec ecx |
||
1666 | js @f |
||
1667 | mov al, ERROR_END_OF_FILE |
||
1668 | @@: |
||
6408 | pathoswith | 1669 | push eax |
3742 | clevermous | 1670 | call ntfs_unlock |
6408 | pathoswith | 1671 | pop eax |
2288 | clevermous | 1672 | ret |
1673 | |||
1674 | .add_special_entry: |
||
1675 | mov eax, [edx] |
||
1676 | inc dword [eax+8] ; new file found |
||
1677 | dec ebx |
||
1678 | jns .ret |
||
1679 | dec ecx |
||
1680 | js .ret |
||
1681 | inc dword [eax+4] ; new file block copied |
||
1682 | mov eax, [edx+4] |
||
1683 | mov [edi+4], eax |
||
1684 | mov eax, 0x10 |
||
1685 | stosd |
||
1686 | scasd |
||
6462 | pathoswith | 1687 | push ebx ecx edx |
6273 | pathoswith | 1688 | mov eax, dword [ebp+NTFS.bitmap_buf] |
1689 | mov edx, dword [ebp+NTFS.bitmap_buf+4] |
||
2288 | clevermous | 1690 | call ntfs_datetime_to_bdfe |
6273 | pathoswith | 1691 | mov eax, dword [ebp+NTFS.bitmap_buf+0x18] |
1692 | mov edx, dword [ebp+NTFS.bitmap_buf+0x1C] |
||
2288 | clevermous | 1693 | call ntfs_datetime_to_bdfe |
6273 | pathoswith | 1694 | mov eax, dword [ebp+NTFS.bitmap_buf+8] |
1695 | mov edx, dword [ebp+NTFS.bitmap_buf+0xC] |
||
2288 | clevermous | 1696 | call ntfs_datetime_to_bdfe |
6462 | pathoswith | 1697 | pop edx ecx ebx |
2288 | clevermous | 1698 | xor eax, eax |
1699 | stosd |
||
1700 | stosd |
||
1701 | mov al, '.' |
||
1702 | push edi ecx |
||
1703 | lea ecx, [esi+1] |
||
1704 | test byte [edi-0x24], 1 |
||
1705 | jz @f |
||
1706 | rep stosw |
||
1707 | pop ecx |
||
1708 | xor eax, eax |
||
1709 | stosw |
||
1710 | pop edi |
||
1711 | add edi, 520 |
||
1712 | ret |
||
6297 | pathoswith | 1713 | |
2288 | clevermous | 1714 | @@: |
1715 | rep stosb |
||
1716 | pop ecx |
||
1717 | xor eax, eax |
||
1718 | stosb |
||
1719 | pop edi |
||
1720 | add edi, 264 |
||
1721 | .ret: |
||
1722 | ret |
||
1723 | |||
1724 | .add_entry: |
||
1725 | ; do not return DOS 8.3 names |
||
6297 | pathoswith | 1726 | cmp byte [esi+namespace], 2 |
2288 | clevermous | 1727 | jz .ret |
1728 | ; do not return system files |
||
1729 | ; ... note that there will be no bad effects if system files also were reported ... |
||
6297 | pathoswith | 1730 | cmp dword [esi+fileRecordReference], 0x10 |
2288 | clevermous | 1731 | jb .ret |
1732 | mov eax, [edx] |
||
1733 | inc dword [eax+8] ; new file found |
||
1734 | dec ebx |
||
1735 | jns .ret |
||
1736 | dec ecx |
||
1737 | js .ret |
||
1738 | inc dword [eax+4] ; new file block copied |
||
1739 | mov eax, [edx+4] ; flags |
||
1740 | call ntfs_direntry_to_bdfe |
||
1741 | push ecx esi edi |
||
6297 | pathoswith | 1742 | movzx ecx, byte [esi+fileNameLength] |
1743 | add esi, fileName |
||
2288 | clevermous | 1744 | test byte [edi-0x24], 1 |
1745 | jz .ansi |
||
1746 | shr ecx, 1 |
||
1747 | rep movsd |
||
1748 | adc ecx, ecx |
||
1749 | rep movsw |
||
1750 | and word [edi], 0 |
||
1751 | pop edi |
||
1752 | add edi, 520 |
||
1753 | pop esi ecx |
||
1754 | ret |
||
6297 | pathoswith | 1755 | |
2288 | clevermous | 1756 | .ansi: |
1757 | jecxz .skip |
||
1758 | @@: |
||
1759 | lodsw |
||
1760 | call uni2ansi_char |
||
1761 | stosb |
||
1762 | loop @b |
||
1763 | .skip: |
||
1764 | xor al, al |
||
1765 | stosb |
||
1766 | pop edi |
||
1767 | add edi, 264 |
||
1768 | pop esi ecx |
||
1769 | ret |
||
1770 | |||
1771 | ntfs_direntry_to_bdfe: |
||
1772 | mov [edi+4], eax ; ANSI/UNICODE name |
||
6297 | pathoswith | 1773 | mov eax, [esi+fileFlags] |
2288 | clevermous | 1774 | test eax, 0x10000000 |
1775 | jz @f |
||
1776 | and eax, not 0x10000000 |
||
1777 | or al, 0x10 |
||
1778 | @@: |
||
1779 | stosd |
||
1780 | scasd |
||
6462 | pathoswith | 1781 | push ebx ecx edx |
6297 | pathoswith | 1782 | mov eax, [esi+fileCreated] |
1783 | mov edx, [esi+fileCreated+4] |
||
2288 | clevermous | 1784 | call ntfs_datetime_to_bdfe |
6297 | pathoswith | 1785 | mov eax, [esi+fileAccessed] |
1786 | mov edx, [esi+fileAccessed+4] |
||
2288 | clevermous | 1787 | call ntfs_datetime_to_bdfe |
6297 | pathoswith | 1788 | mov eax, [esi+fileModified] |
1789 | mov edx, [esi+fileModified+4] |
||
2288 | clevermous | 1790 | call ntfs_datetime_to_bdfe |
6462 | pathoswith | 1791 | pop edx ecx ebx |
6297 | pathoswith | 1792 | mov eax, [esi+fileRealSize] |
2288 | clevermous | 1793 | stosd |
6297 | pathoswith | 1794 | mov eax, [esi+fileRealSize+4] |
2288 | clevermous | 1795 | stosd |
1796 | ret |
||
1797 | |||
1798 | ntfs_datetime_to_bdfe: |
||
6462 | pathoswith | 1799 | ; in: edx:eax = seconds since 01.01.1601 x10000000 |
1800 | ; edi -> data block |
||
1801 | ; out: edi = edi+8 |
||
1802 | sub eax, 3365781504 |
||
1803 | sbb edx, 29389701 |
||
6297 | pathoswith | 1804 | mov ecx, 10000000 |
6462 | pathoswith | 1805 | cmp edx, ecx |
1806 | jc @f |
||
2288 | clevermous | 1807 | xor edx, edx |
6462 | pathoswith | 1808 | @@: |
6297 | pathoswith | 1809 | div ecx |
6462 | pathoswith | 1810 | jmp fsTime2bdfe |
2288 | clevermous | 1811 | |
1812 | ;---------------------------------------------------------------- |
||
6420 | pathoswith | 1813 | ntfs_GetFileInfo: |
6426 | pathoswith | 1814 | call ntfs_lock |
1815 | mov edi, [ebx+16] |
||
6420 | pathoswith | 1816 | cmp byte [esi], 0 |
6426 | pathoswith | 1817 | jz .volume |
6468 | pathoswith | 1818 | call ntfs_find_lfn |
6420 | pathoswith | 1819 | jnc .found |
1820 | test eax, eax |
||
1821 | jz ntfsFail |
||
1822 | jmp ntfsNotFound |
||
1823 | |||
1824 | .found: |
||
1825 | mov esi, eax |
||
1826 | xor eax, eax |
||
1827 | call ntfs_direntry_to_bdfe |
||
6426 | pathoswith | 1828 | .end: |
6420 | pathoswith | 1829 | call ntfs_unlock |
1830 | xor eax, eax |
||
1831 | ret |
||
1832 | |||
6426 | pathoswith | 1833 | .volume: |
1834 | mov byte [edi], 8 |
||
1835 | mov eax, [ebx+8] |
||
1836 | mov [edi+4], eax |
||
1837 | mov eax, dword [ebp+NTFS.Length] |
||
1838 | mov edx, dword [ebp+NTFS.Length+4] |
||
1839 | shld edx, eax, 9 |
||
1840 | shl eax, 9 |
||
1841 | mov [edi+36], edx |
||
1842 | mov [edi+32], eax |
||
1843 | add edi, 40 |
||
1844 | mov [ebp+NTFS.cur_buf], edi |
||
1845 | mov [ebp+NTFS.cur_iRecord], 3 |
||
1846 | mov [ebp+NTFS.cur_attr], 0x60 |
||
1847 | mov [ebp+NTFS.cur_offs], 0 |
||
1848 | mov [ebp+NTFS.cur_size], 1 |
||
1849 | call ntfs_read_attr |
||
1850 | jc ntfsFail |
||
1851 | mov ecx, [ebp+NTFS.cur_read] |
||
1852 | mov [edi+ecx], ax |
||
1853 | cmp [ebx+8], eax |
||
1854 | jnz .end |
||
1855 | mov esi, edi |
||
1856 | shr ecx, 1 |
||
6428 | pathoswith | 1857 | jz .end |
6426 | pathoswith | 1858 | @@: |
1859 | lodsw |
||
1860 | call uni2ansi_char |
||
1861 | stosb |
||
1862 | dec ecx |
||
1863 | jnz @b |
||
1864 | mov byte [edi], 0 |
||
1865 | jmp .end |
||
1866 | |||
6420 | pathoswith | 1867 | ;---------------------------------------------------------------- |
3742 | clevermous | 1868 | ntfs_CreateFolder: |
6273 | pathoswith | 1869 | mov [ebp+NTFS.bFolder], 1 |
5954 | pathoswith | 1870 | jmp @f |
5994 | pathoswith | 1871 | |
5954 | pathoswith | 1872 | ntfs_CreateFile: |
6273 | pathoswith | 1873 | mov [ebp+NTFS.bFolder], 0 |
5954 | pathoswith | 1874 | @@: |
1875 | cmp byte [esi], 0 |
||
1876 | jnz @f |
||
2288 | clevermous | 1877 | xor ebx, ebx |
6019 | pathoswith | 1878 | movi eax, ERROR_ACCESS_DENIED |
2288 | clevermous | 1879 | ret |
6297 | pathoswith | 1880 | |
5954 | pathoswith | 1881 | @@: ; 1. Search file |
1882 | call ntfs_lock |
||
6468 | pathoswith | 1883 | call ntfs_find_lfn |
6080 | pathoswith | 1884 | jc .notFound |
1885 | ; found, rewrite |
||
6273 | pathoswith | 1886 | cmp [ebp+NTFS.cur_iRecord], 16 |
6019 | pathoswith | 1887 | jc ntfsDenied |
6273 | pathoswith | 1888 | cmp [ebp+NTFS.bFolder], 1 |
6080 | pathoswith | 1889 | jz .folder |
6420 | pathoswith | 1890 | test byte [eax+fileFlags], 1 |
1891 | jnz ntfsDenied |
||
6273 | pathoswith | 1892 | cmp [ebp+NTFS.fragmentCount], 1 |
6080 | pathoswith | 1893 | jnz ntfsUnsupported ; record fragmented |
6151 | pathoswith | 1894 | ; edit directory node |
6080 | pathoswith | 1895 | mov edi, [ebp+NTFS.cur_index_buf] |
1896 | cmp dword [edi], 'INDX' |
||
1897 | jz @f |
||
1898 | mov esi, [ebp+NTFS.frs_buffer] |
||
1899 | mov ecx, [esi+recordRealSize] |
||
1900 | shr ecx, 2 |
||
1901 | rep movsd |
||
6273 | pathoswith | 1902 | mov esi, [ebp+NTFS.attr_offs] |
6080 | pathoswith | 1903 | mov cl, [esi+attributeOffset] |
1904 | sub esi, [ebp+NTFS.frs_buffer] |
||
1905 | add eax, ecx |
||
1906 | add eax, esi |
||
1907 | @@: |
||
6420 | pathoswith | 1908 | mov edi, eax |
1909 | mov eax, [ebx+12] |
||
1910 | mov [edi+fileRealSize], eax |
||
1911 | mov dword [edi+fileRealSize+4], 0 |
||
1912 | push ebx eax |
||
1913 | call ntfsGetTime |
||
1914 | mov [edi+fileModified], eax |
||
1915 | mov [edi+fileModified+4], edx |
||
1916 | mov [edi+recordModified], eax |
||
1917 | mov [edi+recordModified+4], edx |
||
1918 | mov [edi+fileAccessed], eax |
||
1919 | mov [edi+fileAccessed+4], edx |
||
1920 | pop edx ebx |
||
6273 | pathoswith | 1921 | mov eax, [ebp+NTFS.LastRead] |
6080 | pathoswith | 1922 | mov [ebp+NTFS.nodeLastRead], eax |
6273 | pathoswith | 1923 | mov [ebp+NTFS.cur_attr], 0x80 |
1924 | mov [ebp+NTFS.cur_offs], 0 |
||
1925 | mov [ebp+NTFS.cur_size], 0 |
||
5994 | pathoswith | 1926 | call ntfs_read_attr |
6080 | pathoswith | 1927 | jc ntfsFail |
6420 | pathoswith | 1928 | mov esi, edi |
1929 | mov edi, [ebp+NTFS.frs_buffer] |
||
1930 | cmp word [edi+baseRecordReuse], 0 |
||
1931 | jnz ntfsUnsupported ; auxiliary record |
||
1932 | mov al, [edi+attributeOffset] |
||
1933 | add edi, eax |
||
1934 | mov al, [edi+attributeOffset] |
||
1935 | add edi, eax |
||
1936 | mov ecx, 6 |
||
1937 | add esi, fileModified |
||
1938 | add edi, 8 |
||
1939 | rep movsd |
||
6080 | pathoswith | 1940 | mov eax, edx |
1941 | xor edx, edx |
||
6273 | pathoswith | 1942 | mov ecx, [ebp+NTFS.attr_offs] |
6151 | pathoswith | 1943 | cmp word [ecx+attributeFlags], 0 |
1944 | jnz ntfsUnsupported |
||
1945 | push ebx |
||
1946 | cmp byte [ecx+nonResidentFlag], 0 |
||
1947 | jz @f |
||
6080 | pathoswith | 1948 | cmp [ecx+attributeRealSize+4], edx |
1949 | jnz @f |
||
5994 | pathoswith | 1950 | cmp [ecx+attributeRealSize], eax |
6080 | pathoswith | 1951 | jz ntfs_WriteFile.writeNode |
1952 | @@: |
||
1953 | jmp ntfs_WriteFile.resizeAttribute |
||
5994 | pathoswith | 1954 | |
6080 | pathoswith | 1955 | .folder: |
1956 | bt dword [eax+fileFlags], 28 |
||
1957 | jnc ntfsDenied |
||
1958 | push 0 |
||
1959 | jmp ntfsOut |
||
1960 | |||
1961 | .notFound: ; create |
||
1962 | test eax, eax |
||
1963 | jz ntfsFail |
||
6273 | pathoswith | 1964 | cmp [ebp+NTFS.fragmentCount], 1 |
6080 | pathoswith | 1965 | jnz ntfsUnsupported ; record fragmented |
6019 | pathoswith | 1966 | ; 2. Prepare directory record |
5954 | pathoswith | 1967 | mov ecx, esi |
1968 | @@: ; count characters |
||
1969 | inc ecx |
||
1970 | cmp byte [ecx], '/' |
||
6080 | pathoswith | 1971 | jz ntfsNotFound ; path folder not found |
5954 | pathoswith | 1972 | cmp byte [ecx], 0 |
1973 | jnz @b |
||
1974 | sub ecx, esi |
||
6297 | pathoswith | 1975 | push ecx ; name length |
1976 | shl ecx, 1 |
||
1977 | add ecx, fileName+7 |
||
1978 | and ecx, not 7 |
||
5954 | pathoswith | 1979 | mov edi, [ebp+NTFS.cur_index_buf] |
6292 | pathoswith | 1980 | mov edx, [ebx+12] |
1981 | mov [ebp+NTFS.fileRealSize], edx |
||
1982 | mov edx, [ebx+16] |
||
1983 | mov [ebp+NTFS.fileDataBuffer], edx |
||
6297 | pathoswith | 1984 | push esi |
1985 | push ecx ; index length |
||
6292 | pathoswith | 1986 | mov edx, ecx |
6019 | pathoswith | 1987 | cmp dword [edi], 'INDX' |
5954 | pathoswith | 1988 | jz .indexRecord |
6019 | pathoswith | 1989 | mov esi, [ebp+NTFS.frs_buffer] ; indexRoot |
6292 | pathoswith | 1990 | mov ecx, [esi+recordRealSize] |
5954 | pathoswith | 1991 | add edx, ecx |
1992 | cmp [esi+recordAllocatedSize], edx |
||
6292 | pathoswith | 1993 | jc .growTree |
5954 | pathoswith | 1994 | mov [esi+recordRealSize], edx |
1995 | shr ecx, 2 |
||
1996 | rep movsd |
||
6407 | pathoswith | 1997 | mov edi, [ebp+NTFS.indexRoot] |
5954 | pathoswith | 1998 | sub edi, [ebp+NTFS.frs_buffer] |
1999 | add edi, [ebp+NTFS.cur_index_buf] |
||
2000 | mov esi, [esp] |
||
2001 | add [edi+sizeWithHeader], esi |
||
2002 | add [edi+sizeWithoutHeader], esi |
||
6019 | pathoswith | 2003 | mov cl, [edi+attributeOffset] |
5954 | pathoswith | 2004 | add edi, ecx |
6273 | pathoswith | 2005 | add [edi+rootNode+nodeRealSize], esi |
2006 | add [edi+rootNode+nodeAllocatedSize], esi |
||
5954 | pathoswith | 2007 | sub eax, [ebp+NTFS.cur_index_buf] |
2008 | add eax, edi |
||
2009 | mov edi, [ebp+NTFS.cur_index_buf] |
||
2010 | jmp .common |
||
2288 | clevermous | 2011 | |
6411 | pathoswith | 2012 | .growTree: ; create indexRecord |
2013 | mov edi, [ebp+NTFS.cur_index_buf] |
||
6292 | pathoswith | 2014 | mov ecx, 10 |
2015 | xor eax, eax |
||
2016 | rep stosd |
||
6407 | pathoswith | 2017 | mov esi, [ebp+NTFS.indexRoot] |
6340 | pathoswith | 2018 | mov al, [esi+attributeOffset] |
2019 | add esi, eax |
||
6292 | pathoswith | 2020 | rdtsc |
2021 | stosw |
||
2022 | mov eax, [esi+indexRecordSize] |
||
2023 | cmp eax, [ebp+NTFS.frs_size] |
||
6407 | pathoswith | 2024 | jc .errorPop3 |
6292 | pathoswith | 2025 | shr eax, 9 |
2026 | inc eax |
||
2027 | mov edi, [ebp+NTFS.cur_index_buf] |
||
2028 | mov dword[edi], 'INDX' |
||
2029 | mov byte [edi+updateSequenceOffset], 28h |
||
2030 | mov [edi+updateSequenceSize], al |
||
2031 | add edi, recordNode |
||
2032 | shl eax, 1 |
||
2033 | add eax, 28h-recordNode+7 |
||
2034 | and eax, not 7 |
||
2035 | mov [edi+indexOffset], eax |
||
2036 | mov ecx, [esi+indexRecordSize] |
||
2037 | sub ecx, recordNode |
||
2038 | mov [edi+nodeAllocatedSize], ecx |
||
2039 | add esi, rootNode |
||
2040 | push esi |
||
2041 | mov ecx, [esi+nodeRealSize] |
||
2042 | sub ecx, [esi+indexOffset] |
||
2043 | add eax, ecx |
||
2044 | mov [edi+nodeRealSize], eax |
||
6411 | pathoswith | 2045 | mov eax, [esi+nonLeafFlag] |
2046 | mov [edi+nonLeafFlag], eax |
||
6292 | pathoswith | 2047 | shr ecx, 2 |
2048 | add esi, [esi+indexOffset] |
||
2049 | add edi, [edi+indexOffset] |
||
2050 | rep movsd ; copy root indexes |
||
2051 | ; clear root node |
||
2052 | mov cl, 10 |
||
2053 | mov edi, [esp] |
||
2054 | xor eax, eax |
||
2055 | rep stosd |
||
2056 | pop edi |
||
2057 | mov byte [edi+indexOffset], 16 |
||
2058 | mov byte [edi+nodeRealSize], 28h |
||
2059 | mov byte [edi+nodeAllocatedSize], 28h |
||
2060 | mov byte [edi+nonLeafFlag], 1 |
||
2061 | mov byte [edi+16+indexAllocatedSize], 18h |
||
2062 | mov byte [edi+16+indexFlags], 3 |
||
6407 | pathoswith | 2063 | mov esi, [ebp+NTFS.indexRoot] |
6292 | pathoswith | 2064 | add edi, 28h |
2065 | mov eax, edi |
||
2066 | sub eax, esi |
||
2067 | mov word [esi+sizeWithoutHeader], 38h |
||
2068 | xchg [esi+sizeWithHeader], eax |
||
6407 | pathoswith | 2069 | add esi, eax |
2070 | mov [ebp+NTFS.attr_offs], edi |
||
2071 | cmp byte [esi], 0xA0 |
||
2072 | jnz @f |
||
2073 | cmp dword [esi+attributeAllocatedSize], 0 |
||
2074 | jz @f |
||
2075 | mov eax, [ebp+NTFS.frs_buffer] |
||
2076 | mov ecx, eax |
||
2077 | add ecx, [eax+recordRealSize] |
||
2078 | sub ecx, esi |
||
2079 | shr ecx, 2 |
||
2080 | rep movsd |
||
2081 | sub edi, eax |
||
2082 | mov [eax+recordRealSize], edi |
||
2083 | call .ntfsNodeAlloc |
||
2084 | jc ntfsErrorPop3 |
||
2085 | mov eax, [ebp+NTFS.newRecord] |
||
2086 | mov edi, [ebp+NTFS.cur_index_buf] |
||
2087 | mov [edi+recordVCN], eax |
||
2088 | mov edi, [ebp+NTFS.attr_offs] |
||
2089 | mov [edi-8], eax |
||
2090 | jmp .refresh |
||
2091 | |||
2092 | @@: |
||
6292 | pathoswith | 2093 | mov cl, 32 |
2094 | xor eax, eax |
||
2095 | rep stosd |
||
6407 | pathoswith | 2096 | mov eax, [ebp+NTFS.cur_subnode_size] |
2097 | cmp eax, [ebp+NTFS.cur_size] |
||
2098 | jnz @f |
||
2099 | mov al, 1 |
||
2100 | @@: |
||
2101 | mov [ebp+NTFS.fileDataSize], eax |
||
6292 | pathoswith | 2102 | mov edi, [ebp+NTFS.BitmapStart] |
2103 | call ntfsSpaceAlloc |
||
6407 | pathoswith | 2104 | movi eax, ERROR_DISK_FULL |
2105 | jc ntfsErrorPop3 |
||
2106 | ; create $IndexAllocation |
||
2107 | mov edi, [ebp+NTFS.attr_offs] |
||
6292 | pathoswith | 2108 | mov byte [edi+attributeType], 0xA0 |
2109 | mov byte [edi+nonResidentFlag], 1 |
||
2110 | mov byte [edi+nameLength], 4 |
||
2111 | mov byte [edi+nameOffset], 40h |
||
2112 | mov byte [edi+dataRunsOffset], 48h |
||
2113 | mov byte [edi+sizeWithHeader], 50h |
||
2114 | mov eax, [ebp+NTFS.fileDataSize] |
||
2115 | dec eax |
||
2116 | mov [edi+lastVCN], eax |
||
2117 | inc eax |
||
2118 | mul [ebp+NTFS.sectors_per_cluster] |
||
2119 | shl eax, 9 |
||
2120 | mov [edi+attributeAllocatedSize], eax |
||
2121 | mov [edi+attributeRealSize], eax |
||
2122 | mov [edi+initialDataSize], eax |
||
2123 | mov dword[edi+40h], 490024h ; unicode $I30 |
||
2124 | mov dword[edi+40h+4], 300033h |
||
2125 | push edi |
||
2126 | mov esi, edi |
||
2127 | add edi, 48h |
||
2128 | call createMcbEntry |
||
2129 | mov esi, [ebp+NTFS.frs_buffer] |
||
2130 | pop edi |
||
2131 | mov al, [esi+newAttributeID] |
||
2132 | mov [edi+attributeID], al |
||
2133 | add edi, 50h |
||
2134 | inc eax |
||
2135 | ; create $Bitmap |
||
2136 | mov [edi+attributeID], al |
||
2137 | inc eax |
||
2138 | mov [esi+newAttributeID], al |
||
2139 | mov byte [edi+attributeType], 0xB0 |
||
2140 | mov byte [edi+nameLength], 4 |
||
2141 | mov byte [edi+nameOffset], 18h |
||
2142 | mov byte [edi+attributeOffset], 20h |
||
2143 | mov byte [edi+sizeWithoutHeader], 8 |
||
2144 | mov byte [edi+sizeWithHeader], 28h |
||
2145 | mov dword[edi+18h], 490024h ; unicode $I30 |
||
2146 | mov dword[edi+18h+4], 300033h |
||
2147 | mov byte [edi+20h], 1 |
||
2148 | mov dword[edi+28h], -1 |
||
2149 | add edi, 30h |
||
2150 | sub edi, esi |
||
2151 | mov [esi+recordRealSize], edi |
||
2152 | mov eax, [ebp+NTFS.fileDataStart] |
||
2153 | mul [ebp+NTFS.sectors_per_cluster] |
||
6408 | pathoswith | 2154 | mov edx, eax |
6407 | pathoswith | 2155 | jmp @f |
2156 | |||
2157 | .refresh: |
||
2158 | mov [ebp+NTFS.cur_size], 0 |
||
2159 | call ntfs_read_attr.continue |
||
2160 | movi eax, ERROR_FS_FAIL |
||
2161 | jc ntfsErrorPop3 |
||
6408 | pathoswith | 2162 | mov edx, [ebp+NTFS.LastRead] |
6407 | pathoswith | 2163 | @@: |
6408 | pathoswith | 2164 | mov ebx, [ebp+NTFS.cur_index_buf] |
6407 | pathoswith | 2165 | call writeRecord |
6408 | pathoswith | 2166 | mov ebx, [ebp+NTFS.frs_buffer] |
2167 | mov edx, [ebp+NTFS.rootLastRead] |
||
6407 | pathoswith | 2168 | call writeRecord |
2169 | mov esi, [esp+4] |
||
6468 | pathoswith | 2170 | call ntfs_find_lfn.doit2 |
6407 | pathoswith | 2171 | test eax, eax |
2172 | jz .errorPop3 |
||
6292 | pathoswith | 2173 | mov edi, [ebp+NTFS.cur_index_buf] |
2174 | mov edx, [esp] |
||
5954 | pathoswith | 2175 | .indexRecord: |
6273 | pathoswith | 2176 | add edi, recordNode |
6292 | pathoswith | 2177 | add edx, [edi+nodeRealSize] |
6273 | pathoswith | 2178 | cmp [edi+nodeAllocatedSize], edx |
6340 | pathoswith | 2179 | jc .arborizeTree |
2180 | mov [edi+nodeRealSize], edx |
||
2181 | jmp .common |
||
2182 | |||
2183 | .errorPop3: |
||
5954 | pathoswith | 2184 | add esp, 12 |
6340 | pathoswith | 2185 | jmp ntfsUnsupported |
6292 | pathoswith | 2186 | |
6407 | pathoswith | 2187 | .ntfsNodeAlloc: |
2188 | ; in: [ebp+NTFS.attr_offs] -> $IndexAllocation |
||
2189 | ; out: |
||
2190 | ; [ebp+NTFS.newRecord] = node VCN |
||
2191 | ; [ebp+NTFS.cur_offs] |
||
2192 | ; CF=1 -> eax = error code |
||
6340 | pathoswith | 2193 | mov esi, [ebp+NTFS.attr_offs] |
2194 | add esi, [esi+sizeWithHeader] |
||
2195 | cmp byte [esi], 0xB0 |
||
6407 | pathoswith | 2196 | jnz .ret |
6414 | pathoswith | 2197 | movzx ecx, word [esi+sizeWithoutHeader] |
2198 | shr ecx, 2 |
||
2199 | movzx edi, byte [esi+attributeOffset] |
||
2200 | add edi, esi |
||
2201 | mov edx, edi |
||
2202 | or eax, -1 |
||
2203 | repz scasd |
||
2204 | jnz @f |
||
2205 | cmp [edi], eax |
||
2206 | jnz .ret |
||
2207 | ; extend folder $Bitmap |
||
2208 | add word [esi+sizeWithHeader], 8 |
||
2209 | add word [esi+sizeWithoutHeader], 8 |
||
2210 | mov esi, [ebp+NTFS.frs_buffer] |
||
2211 | mov eax, [esi+recordRealSize] |
||
2212 | add eax, 8 |
||
2213 | cmp [esi+recordAllocatedSize], eax |
||
2214 | jc .ret |
||
2215 | mov [esi+recordRealSize], eax |
||
2216 | xor eax, eax |
||
2217 | stosd |
||
2218 | mov [edi], eax |
||
2219 | mov [edi+8], eax |
||
2220 | dec eax |
||
2221 | mov [edi+4], eax |
||
2222 | @@: |
||
2223 | sub edi, 4 |
||
2224 | mov eax, [edi] |
||
6340 | pathoswith | 2225 | not eax |
2226 | bsf eax, eax |
||
6414 | pathoswith | 2227 | bts [edi], eax |
2228 | sub edi, edx |
||
2229 | shl edi, 3 |
||
2230 | add eax, edi |
||
6340 | pathoswith | 2231 | mul [ebp+NTFS.cur_subnode_size] |
2232 | mov [ebp+NTFS.newRecord], eax |
||
6407 | pathoswith | 2233 | mov ecx, [ebp+NTFS.cur_size] |
2234 | cmp ecx, [ebp+NTFS.cur_subnode_size] |
||
2235 | jz @f |
||
2236 | mul [ebp+NTFS.sectors_per_cluster] |
||
2237 | @@: |
||
2238 | mov [ebp+NTFS.cur_offs], eax |
||
2239 | add eax, ecx |
||
2240 | shl eax, 9 |
||
2241 | mov esi, [ebp+NTFS.attr_offs] |
||
2242 | cmp [esi+attributeAllocatedSize], eax |
||
2243 | jnc @f |
||
2244 | xor edx, edx |
||
2245 | jmp resizeAttribute |
||
2246 | |||
2247 | .ret: |
||
2248 | movi eax, ERROR_UNSUPPORTED_FS |
||
2249 | stc |
||
2250 | @@: |
||
2251 | ret |
||
2252 | |||
2253 | .arborizeTree: ; find median index |
||
6340 | pathoswith | 2254 | mov ecx, [edi+nodeRealSize] |
2255 | sub ecx, [edi+indexOffset] |
||
2256 | shr ecx, 1 |
||
2257 | add edi, [edi+indexOffset] |
||
2258 | xor eax, eax |
||
2259 | @@: |
||
2260 | add edi, eax |
||
2261 | mov ax, [edi+indexAllocatedSize] |
||
2262 | sub ecx, eax |
||
2263 | jnc @b |
||
6407 | pathoswith | 2264 | add eax, 8 |
6340 | pathoswith | 2265 | mov esi, [ebp+NTFS.secondIndexBuffer] |
2266 | cmp dword [esi], 'INDX' |
||
6411 | pathoswith | 2267 | jz @f |
6340 | pathoswith | 2268 | ; move index to the root node |
2269 | mov esi, [ebp+NTFS.frs_buffer] |
||
6407 | pathoswith | 2270 | mov ecx, eax |
2271 | add ecx, 8 |
||
2272 | add ecx, [esi+recordRealSize] |
||
6340 | pathoswith | 2273 | cmp [esi+recordAllocatedSize], ecx |
6411 | pathoswith | 2274 | jc .growTree |
6409 | pathoswith | 2275 | push edi eax |
6407 | pathoswith | 2276 | call .ntfsNodeAlloc |
6414 | pathoswith | 2277 | jc ntfsErrorPop5 |
2278 | pop eax |
||
6340 | pathoswith | 2279 | mov edi, [ebp+NTFS.indexRoot] |
2280 | add [ebp+NTFS.attr_offs], eax |
||
2281 | add [edi+sizeWithHeader], eax |
||
2282 | add [edi+sizeWithoutHeader], eax |
||
2283 | movzx ecx, byte [edi+attributeOffset] |
||
2284 | add ecx, edi |
||
2285 | add [ecx+rootNode+nodeRealSize], eax |
||
2286 | add [ecx+rootNode+nodeAllocatedSize], eax |
||
6405 | pathoswith | 2287 | add ecx, [ebp+NTFS.indexPointer] |
6340 | pathoswith | 2288 | sub ecx, [ebp+NTFS.secondIndexBuffer] |
6409 | pathoswith | 2289 | mov esi, [ebp+NTFS.frs_buffer] |
2290 | add [esi+recordRealSize], eax |
||
2291 | add esi, [esi+recordRealSize] |
||
6340 | pathoswith | 2292 | mov edi, esi |
2293 | sub esi, eax |
||
2294 | neg ecx |
||
2295 | add ecx, esi |
||
2296 | shr ecx, 2 |
||
2297 | sub esi, 4 |
||
2298 | sub edi, 4 |
||
2299 | std |
||
2300 | rep movsd ; make space |
||
2301 | mov [edi], ecx |
||
2302 | mov edi, esi |
||
2303 | add edi, 4 |
||
2304 | mov esi, [esp] |
||
2305 | add word [esi+indexAllocatedSize], 8 |
||
2306 | mov byte [esi+indexFlags], 1 |
||
2307 | mov ecx, eax |
||
2308 | sub ecx, 8 |
||
2309 | shr ecx, 2 |
||
2310 | cld |
||
2311 | rep movsd ; insert index |
||
2312 | mov eax, [ebp+NTFS.newRecord] |
||
2313 | stosd |
||
6411 | pathoswith | 2314 | jmp .splitNode |
2315 | |||
6414 | pathoswith | 2316 | .growBranch: ; move node and replace it with empty one |
2317 | mov esi, [ebp+NTFS.cur_index_buf] |
||
2318 | mov edi, [ebp+NTFS.secondIndexBuffer] |
||
2319 | mov eax, [esi+recordVCN] |
||
2320 | mov [edi+recordVCN], eax |
||
2321 | add edi, recordNode |
||
2322 | mov eax, [edi+indexOffset] |
||
2323 | add eax, 18h |
||
2324 | mov [edi+nodeRealSize], eax |
||
2325 | add edi, [edi+indexOffset] |
||
2326 | mov ecx, 6 |
||
2327 | xor eax, eax |
||
2328 | mov [ebp+NTFS.indexPointer], edi |
||
2329 | push edi |
||
2330 | rep stosd |
||
2331 | pop edi |
||
2332 | mov eax, [ebp+NTFS.newRecord] |
||
2333 | mov byte [edi+indexAllocatedSize], 18h |
||
2334 | mov byte [edi+indexFlags], 3 |
||
2335 | mov [edi+16], eax |
||
2336 | mov [esi+recordVCN], eax |
||
2337 | mov eax, [ebp+NTFS.LastRead] |
||
2338 | mov [ebp+NTFS.nodeLastRead], eax |
||
2339 | push [ebp+NTFS.cur_size] |
||
2340 | mov [ebp+NTFS.cur_size], 0 |
||
2341 | call ntfs_read_attr.continue |
||
2342 | pop [ebp+NTFS.cur_size] |
||
2343 | movi eax, ERROR_FS_FAIL |
||
2344 | jc ntfsErrorPop5 |
||
2345 | pop eax edi |
||
6411 | pathoswith | 2346 | @@: ; move index to the branch node |
6414 | pathoswith | 2347 | push edi eax |
2348 | call .ntfsNodeAlloc |
||
2349 | jc ntfsErrorPop5 |
||
2350 | mov eax, [esp] |
||
2351 | mov esi, [ebp+NTFS.secondIndexBuffer] |
||
6411 | pathoswith | 2352 | add esi, recordNode |
2353 | mov ecx, [esi+nodeRealSize] |
||
2354 | add eax, ecx |
||
2355 | cmp [esi+nodeAllocatedSize], eax |
||
6414 | pathoswith | 2356 | jc .growBranch |
6411 | pathoswith | 2357 | mov [esi+nodeRealSize], eax |
2358 | lea edi, [esi+eax-4] |
||
2359 | add esi, ecx |
||
2360 | mov ecx, esi |
||
2361 | sub ecx, [ebp+NTFS.indexPointer] |
||
2362 | shr ecx, 2 |
||
2363 | sub esi, 4 |
||
2364 | std |
||
2365 | rep movsd ; make space |
||
2366 | mov [edi], ecx |
||
6414 | pathoswith | 2367 | pop ecx |
2368 | sub ecx, 8 |
||
2369 | shr ecx, 2 |
||
6411 | pathoswith | 2370 | mov edi, esi |
2371 | add edi, 4 |
||
2372 | mov esi, [esp] |
||
2373 | add word [esi+indexAllocatedSize], 8 |
||
2374 | mov byte [esi+indexFlags], 1 |
||
2375 | cld |
||
2376 | rep movsd ; insert index |
||
2377 | mov eax, [ebp+NTFS.newRecord] |
||
2378 | stosd |
||
2379 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
||
2380 | mov edx, [ebp+NTFS.nodeLastRead] |
||
2381 | push esi |
||
2382 | call writeRecord |
||
2383 | pop esi |
||
2384 | .splitNode: |
||
6340 | pathoswith | 2385 | mov edi, [ebp+NTFS.cur_index_buf] |
2386 | mov eax, edi |
||
2387 | add eax, recordNode |
||
2388 | add eax, [edi+recordNode+nodeRealSize] |
||
2389 | sub eax, esi |
||
2390 | push eax |
||
2391 | mov ecx, [edi+recordNode+indexOffset] |
||
2392 | add eax, ecx |
||
2393 | add ecx, recordNode |
||
2394 | shr ecx, 2 |
||
2395 | push esi |
||
2396 | mov esi, edi |
||
2397 | mov edi, [ebp+NTFS.secondIndexBuffer] |
||
2398 | rep movsd |
||
2399 | pop esi |
||
2400 | pop ecx |
||
2401 | shr ecx, 2 |
||
2402 | rep movsd |
||
2403 | mov edi, [ebp+NTFS.secondIndexBuffer] |
||
2404 | mov [edi+recordNode+nodeRealSize], eax |
||
2405 | pop edi |
||
2406 | mov cl, 4 |
||
2407 | xor eax, eax |
||
2408 | mov esi, edi |
||
2409 | rep stosd |
||
2410 | mov byte [esi+indexAllocatedSize], 16 |
||
2411 | mov byte [esi+indexFlags], 2 |
||
2412 | mov esi, [ebp+NTFS.cur_index_buf] |
||
2413 | mov eax, [ebp+NTFS.newRecord] |
||
2414 | mov [esi+recordVCN], eax |
||
2415 | add esi, recordNode |
||
2416 | sub edi, esi |
||
2417 | mov [esi+nodeRealSize], edi |
||
6408 | pathoswith | 2418 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
2419 | mov edx, [ebp+NTFS.LastRead] |
||
6340 | pathoswith | 2420 | call writeRecord |
6407 | pathoswith | 2421 | jmp .refresh |
6340 | pathoswith | 2422 | |
6292 | pathoswith | 2423 | .common: |
6273 | pathoswith | 2424 | add edi, edx |
2425 | sub edi, 4 |
||
5954 | pathoswith | 2426 | mov esi, edi |
2427 | sub esi, [esp] |
||
2428 | mov ecx, esi |
||
6292 | pathoswith | 2429 | sub ecx, eax ; eax = pointer in the record |
5954 | pathoswith | 2430 | shr ecx, 2 |
2431 | inc ecx |
||
2432 | std |
||
2433 | rep movsd ; move forward, make space |
||
2434 | mov ecx, [esp] |
||
2435 | shr ecx, 2 |
||
2436 | xor eax, eax |
||
2437 | rep stosd |
||
2438 | cld |
||
2439 | add edi, 4 |
||
6420 | pathoswith | 2440 | call ntfsGetTime |
2441 | mov [edi+fileCreated], eax |
||
2442 | mov [edi+fileCreated+4], edx |
||
2443 | mov [edi+fileModified], eax |
||
2444 | mov [edi+fileModified+4], edx |
||
2445 | mov [edi+recordModified], eax |
||
2446 | mov [edi+recordModified+4], edx |
||
2447 | mov [edi+fileAccessed], eax |
||
2448 | mov [edi+fileAccessed+4], edx |
||
6151 | pathoswith | 2449 | pop ecx |
5954 | pathoswith | 2450 | pop esi |
6151 | pathoswith | 2451 | mov [edi+indexAllocatedSize], cx ; fill index with data |
5954 | pathoswith | 2452 | mov eax, [esp] |
6080 | pathoswith | 2453 | shl eax, 1 |
2454 | add eax, 42h |
||
5954 | pathoswith | 2455 | mov [edi+indexRawSize], ax |
6418 | pathoswith | 2456 | mov eax, [ebp+NTFS.cur_iRecord] |
5954 | pathoswith | 2457 | mov [edi+directoryRecordReference], eax |
2458 | mov eax, [ebp+NTFS.frs_buffer] |
||
2459 | mov eax, [eax+reuseCounter] |
||
2460 | mov [edi+directoryReferenceReuse], ax |
||
6292 | pathoswith | 2461 | mov eax, [ebp+NTFS.frs_size] |
2462 | shr eax, 8 |
||
6151 | pathoswith | 2463 | add ecx, 30h+48h+8+18h+8 |
2464 | add ecx, eax |
||
6292 | pathoswith | 2465 | mov eax, [ebp+NTFS.fileRealSize] |
2466 | add ecx, eax |
||
5954 | pathoswith | 2467 | mov [edi+fileRealSize], eax |
6151 | pathoswith | 2468 | cmp [ebp+NTFS.frs_size], ecx |
2469 | jc @f |
||
2470 | xor eax, eax |
||
2471 | @@: |
||
5954 | pathoswith | 2472 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
2473 | shl ecx, 9 |
||
2474 | add eax, ecx |
||
2475 | dec eax |
||
2476 | xor edx, edx |
||
2477 | div ecx |
||
2478 | mov [ebp+NTFS.fileDataSize], eax |
||
2479 | mul ecx |
||
2480 | mov [edi+fileAllocatedSize], eax |
||
2481 | pop ecx |
||
6405 | pathoswith | 2482 | mov [ebp+NTFS.indexPointer], edi |
5954 | pathoswith | 2483 | mov [edi+fileNameLength], cl |
6297 | pathoswith | 2484 | add edi, fileName |
5954 | pathoswith | 2485 | @@: ; record filename |
2486 | lodsb |
||
2487 | call ansi2uni_char |
||
2488 | stosw |
||
2489 | dec ecx |
||
2490 | jnz @b |
||
6273 | pathoswith | 2491 | mov eax, [ebp+NTFS.LastRead] |
5954 | pathoswith | 2492 | mov [ebp+NTFS.nodeLastRead], eax |
6273 | pathoswith | 2493 | cmp [ebp+NTFS.bFolder], 0 |
5954 | pathoswith | 2494 | jz @f |
6405 | pathoswith | 2495 | mov edi, [ebp+NTFS.indexPointer] |
6080 | pathoswith | 2496 | bts dword [edi+fileFlags], 28 |
5954 | pathoswith | 2497 | jmp .mftBitmap |
2498 | |||
2499 | @@: ; 3. File data |
||
6151 | pathoswith | 2500 | cmp [ebp+NTFS.fileDataSize], 0 |
5954 | pathoswith | 2501 | jz .mftBitmap |
6080 | pathoswith | 2502 | mov edi, [ebp+NTFS.BitmapStart] |
2503 | call ntfsSpaceAlloc |
||
2504 | jc ntfsDiskFull |
||
6292 | pathoswith | 2505 | mov eax, [ebp+NTFS.fileDataStart] |
5954 | pathoswith | 2506 | mul [ebp+NTFS.sectors_per_cluster] |
2507 | mov ecx, [ebp+NTFS.fileRealSize] |
||
2508 | add ecx, 511 |
||
2509 | shr ecx, 9 |
||
6292 | pathoswith | 2510 | mov ebx, [ebp+NTFS.fileDataBuffer] |
5954 | pathoswith | 2511 | call fs_write64_app |
2512 | test eax, eax |
||
6019 | pathoswith | 2513 | jnz ntfsDevice |
5954 | pathoswith | 2514 | ; 4. MFT record |
2515 | .mftBitmap: ; search for free record |
||
2516 | mov edi, [ebp+NTFS.mftBitmapBuffer] |
||
2517 | mov ecx, [ebp+NTFS.mftBitmapSize] |
||
2518 | mov al, -1 |
||
2519 | add edi, 3 |
||
2520 | sub ecx, 3 |
||
2521 | repz scasb |
||
2522 | dec edi |
||
2523 | movzx eax, byte [edi] |
||
2524 | not al |
||
2525 | bsf ecx, eax |
||
6107 | pathoswith | 2526 | jz .extendBitmapMFT ; no free records |
6019 | pathoswith | 2527 | bts [edi], ecx |
2528 | ; get record location |
||
5954 | pathoswith | 2529 | sub edi, [ebp+NTFS.mftBitmapBuffer] |
2530 | shl edi, 3 |
||
2531 | add edi, ecx |
||
6340 | pathoswith | 2532 | mov [ebp+NTFS.newRecord], edi |
5954 | pathoswith | 2533 | mov eax, [ebp+NTFS.frs_size] |
2534 | shr eax, 9 |
||
2535 | mul edi |
||
6273 | pathoswith | 2536 | mov [ebp+NTFS.cur_iRecord], 0 |
2537 | mov [ebp+NTFS.cur_attr], 0x80 |
||
2538 | mov [ebp+NTFS.cur_offs], eax |
||
6405 | pathoswith | 2539 | push eax |
2540 | mov [ebp+NTFS.cur_size], 0 |
||
5954 | pathoswith | 2541 | mov eax, [ebp+NTFS.frs_buffer] |
6273 | pathoswith | 2542 | mov [ebp+NTFS.cur_buf], eax |
5954 | pathoswith | 2543 | call ntfs_read_attr |
6405 | pathoswith | 2544 | pop eax |
2545 | jc ntfsFail |
||
2546 | cmp eax, [ebp+NTFS.mftSize] |
||
2547 | jnc .extendMFT |
||
6107 | pathoswith | 2548 | jmp .mftRecord |
2549 | |||
2550 | .extendBitmapMFT: |
||
2551 | mov eax, [ebp+NTFS.sectors_per_cluster] |
||
6405 | pathoswith | 2552 | mov [ebp+NTFS.cur_offs], eax |
6107 | pathoswith | 2553 | shl eax, 9 |
2554 | cmp [ebp+NTFS.mftBitmapSize], eax |
||
2555 | jnc ntfsUnsupported |
||
6273 | pathoswith | 2556 | mov [ebp+NTFS.cur_iRecord], 0 |
2557 | mov [ebp+NTFS.cur_attr], 0xB0 |
||
2558 | mov [ebp+NTFS.cur_size], 0 |
||
6107 | pathoswith | 2559 | call ntfs_read_attr |
2560 | jc ntfsFail |
||
5954 | pathoswith | 2561 | mov eax, [ebp+NTFS.mft_cluster] |
2562 | mul [ebp+NTFS.sectors_per_cluster] |
||
6273 | pathoswith | 2563 | cmp eax, [ebp+NTFS.LastRead] |
6019 | pathoswith | 2564 | jnz ntfsUnsupported ; auxiliary record |
6107 | pathoswith | 2565 | mov edi, [ebp+NTFS.mftBitmapBuffer] |
2566 | mov ecx, [ebp+NTFS.mftBitmapSize] |
||
2567 | add edi, ecx |
||
2568 | mov eax, ecx |
||
6273 | pathoswith | 2569 | mov edx, [ebp+NTFS.attr_offs] |
6107 | pathoswith | 2570 | add ecx, 8 |
2571 | mov [edx+attributeRealSize], ecx |
||
2572 | mov [edx+initialDataSize], ecx |
||
2573 | shl eax, 3 |
||
6340 | pathoswith | 2574 | mov [ebp+NTFS.newRecord], eax |
6107 | pathoswith | 2575 | mov dword [edi], 1 |
2576 | mov dword [edi+4], 0 |
||
6273 | pathoswith | 2577 | mov [ebp+NTFS.cur_attr], 0x80 |
6405 | pathoswith | 2578 | mov [ebp+NTFS.cur_offs], 0 |
6107 | pathoswith | 2579 | call ntfs_read_attr.newAttribute |
2580 | jc ntfsFail |
||
2581 | mov [ebp+NTFS.mftBitmapSize], ecx |
||
2582 | .extendMFT: |
||
2583 | mov eax, [ebp+NTFS.mft_cluster] |
||
5954 | pathoswith | 2584 | mul [ebp+NTFS.sectors_per_cluster] |
6273 | pathoswith | 2585 | cmp eax, [ebp+NTFS.LastRead] |
6107 | pathoswith | 2586 | jnz ntfsUnsupported ; auxiliary record |
6273 | pathoswith | 2587 | mov ecx, [ebp+NTFS.attr_offs] |
6107 | pathoswith | 2588 | mov eax, [ecx+attributeRealSize] |
2589 | mov edx, [ecx+attributeRealSize+4] |
||
2590 | xor ax, ax |
||
2591 | add eax, 10000h |
||
2592 | adc edx, 0 |
||
2593 | push [ebp+NTFS.fileDataStart] |
||
2594 | push [ebp+NTFS.fileDataSize] |
||
2595 | call resizeAttribute |
||
2596 | jc ntfsErrorPop2 |
||
6408 | pathoswith | 2597 | mov ebx, [ebp+NTFS.frs_buffer] |
2598 | mov edx, [ebp+NTFS.LastRead] |
||
5954 | pathoswith | 2599 | call writeRecord ; $MFT |
2600 | mov eax, [ebp+NTFS.mftmirr_cluster] |
||
2601 | mul [ebp+NTFS.sectors_per_cluster] |
||
6408 | pathoswith | 2602 | mov ecx, [ebp+NTFS.frs_size] |
2603 | shr ecx, 9 |
||
5954 | pathoswith | 2604 | call fs_write64_sys ; $MFTMirr |
6405 | pathoswith | 2605 | ; update $MFT retrieval information |
2606 | mov edi, [ebp+NTFS.mft_retrieval_end] |
||
2607 | mov eax, [edi-4] |
||
2608 | add eax, [edi-8] |
||
2609 | mov edx, [ebp+NTFS.fileDataSize] |
||
2610 | cmp eax, [ebp+NTFS.fileDataStart] |
||
2611 | jnz .newFragment |
||
2612 | add [edi-8], edx |
||
2613 | jmp @f |
||
2614 | .newFragment: |
||
2615 | lea eax, [ebp+NTFS.attrlist_buf] |
||
2616 | cmp eax, edi |
||
2617 | jz @f |
||
2618 | mov [edi], edx |
||
2619 | mov eax, [ebp+NTFS.fileDataStart] |
||
2620 | mov [edi+4], eax |
||
2621 | add [ebp+NTFS.mft_retrieval_end], 8 |
||
2622 | @@: |
||
2623 | mov eax, [ebp+NTFS.fileDataSize] |
||
2624 | mul [ebp+NTFS.sectors_per_cluster] |
||
2625 | add [ebp+NTFS.mftSize], eax |
||
6107 | pathoswith | 2626 | call ntfsSpaceClean |
2627 | pop [ebp+NTFS.fileDataSize] |
||
2628 | pop [ebp+NTFS.fileDataStart] |
||
5954 | pathoswith | 2629 | .mftRecord: |
6151 | pathoswith | 2630 | mov ecx, [ebp+NTFS.frs_size] |
2631 | shr ecx, 2 |
||
5954 | pathoswith | 2632 | mov edi, [ebp+NTFS.frs_buffer] |
2633 | xor eax, eax |
||
2634 | rep stosd |
||
6418 | pathoswith | 2635 | mov esi, [ebp+NTFS.indexPointer] |
2636 | mov eax, [ebp+NTFS.newRecord] |
||
2637 | mov [esi+fileRecordReference], eax |
||
2638 | rdtsc |
||
2639 | mov [esi+fileReferenceReuse], ax |
||
5954 | pathoswith | 2640 | mov edi, [ebp+NTFS.frs_buffer] |
6019 | pathoswith | 2641 | ; record header |
6418 | pathoswith | 2642 | mov [edi+reuseCounter], ax |
6292 | pathoswith | 2643 | mov [edi+2ah], ax |
6151 | pathoswith | 2644 | mov eax, [ebp+NTFS.frs_size] |
2645 | mov [edi+recordAllocatedSize], eax |
||
2646 | shr eax, 9 |
||
2647 | inc eax |
||
2648 | mov [edi+updateSequenceSize], al |
||
6292 | pathoswith | 2649 | shl eax, 1 |
2650 | add eax, 2ah+7 |
||
2651 | and eax, not 7 |
||
5954 | pathoswith | 2652 | mov dword[edi], 'FILE' |
2653 | mov byte [edi+updateSequenceOffset], 2ah |
||
2654 | mov byte [edi+hardLinkCounter], 1 |
||
2655 | mov byte [edi+newAttributeID], 3 |
||
6292 | pathoswith | 2656 | mov [edi+attributeOffset], al |
2657 | add edi, eax |
||
6019 | pathoswith | 2658 | ; $StandardInformation |
5954 | pathoswith | 2659 | mov byte [edi+attributeType], 10h |
2660 | mov byte [edi+sizeWithHeader], 48h |
||
2661 | mov byte [edi+sizeWithoutHeader], 30h |
||
2662 | mov byte [edi+attributeOffset], 18h |
||
6420 | pathoswith | 2663 | mov cl, 8 |
2664 | add esi, fileCreated |
||
2665 | add edi, 18h |
||
2666 | rep movsd |
||
2667 | add edi, 16 |
||
2668 | mov esi, [ebp+NTFS.indexPointer] |
||
6019 | pathoswith | 2669 | ; $FileName |
5954 | pathoswith | 2670 | mov byte [edi+attributeType], 30h |
2671 | mov byte [edi+attributeID], 1 |
||
6151 | pathoswith | 2672 | mov byte [edi+attributeOffset], 18h |
2673 | mov byte [edi+indexedFlag], 1 |
||
5954 | pathoswith | 2674 | mov cx, [esi+indexRawSize] |
2675 | mov [edi+sizeWithoutHeader], ecx |
||
2676 | mov cx, [esi+indexAllocatedSize] |
||
2677 | add ecx, 8 |
||
2678 | mov [edi+sizeWithHeader], ecx |
||
2679 | add edi, 18h |
||
2680 | add esi, 16 |
||
2681 | sub ecx, 18h |
||
2682 | shr ecx, 2 |
||
2683 | rep movsd |
||
6080 | pathoswith | 2684 | mov byte [edi+sizeWithHeader], 50h |
2685 | mov byte [edi+attributeID], 2 |
||
6273 | pathoswith | 2686 | cmp [ebp+NTFS.bFolder], 1 |
6151 | pathoswith | 2687 | jz .indexRoot |
6019 | pathoswith | 2688 | ; $Data |
5954 | pathoswith | 2689 | mov byte [edi+attributeType], 80h |
6151 | pathoswith | 2690 | mov eax, [ebp+NTFS.fileDataSize] |
2691 | test eax, eax |
||
2692 | jz .resident |
||
6405 | pathoswith | 2693 | mov esi, [ebp+NTFS.indexPointer] |
6080 | pathoswith | 2694 | dec eax |
2695 | mov [edi+lastVCN], eax |
||
5954 | pathoswith | 2696 | mov byte [edi+nonResidentFlag], 1 |
2697 | mov byte [edi+dataRunsOffset], 40h |
||
2698 | mov eax, [esi+fileAllocatedSize] |
||
2699 | mov [edi+attributeAllocatedSize], eax |
||
2700 | mov eax, [esi+fileRealSize] |
||
2701 | mov [edi+attributeRealSize], eax |
||
2702 | mov [edi+initialDataSize], eax |
||
6151 | pathoswith | 2703 | push edi |
6080 | pathoswith | 2704 | mov esi, edi |
2705 | add edi, 40h |
||
2706 | call createMcbEntry |
||
6151 | pathoswith | 2707 | inc edi |
2708 | jmp @f |
||
5954 | pathoswith | 2709 | |
6151 | pathoswith | 2710 | .resident: |
2711 | mov ecx, [ebp+NTFS.fileRealSize] |
||
2712 | mov [edi+sizeWithoutHeader], ecx |
||
5954 | pathoswith | 2713 | mov byte [edi+attributeOffset], 18h |
6151 | pathoswith | 2714 | push edi |
6292 | pathoswith | 2715 | mov esi, [ebp+NTFS.fileDataBuffer] |
6151 | pathoswith | 2716 | add edi, 18h |
2717 | rep movsb |
||
2718 | @@: |
||
2719 | mov eax, edi |
||
2720 | pop edi |
||
2721 | sub eax, edi |
||
2722 | add eax, 7 |
||
2723 | and eax, not 7 |
||
2724 | mov [edi+sizeWithHeader], eax |
||
2725 | add edi, eax |
||
5954 | pathoswith | 2726 | mov al, 1 |
6292 | pathoswith | 2727 | jmp .end |
5954 | pathoswith | 2728 | |
6151 | pathoswith | 2729 | .indexRoot: |
5954 | pathoswith | 2730 | mov byte [edi+attributeType], 90h |
2731 | mov byte [edi+nameLength], 4 |
||
2732 | mov byte [edi+nameOffset], 18h |
||
2733 | mov byte [edi+sizeWithoutHeader], 30h |
||
2734 | mov byte [edi+attributeOffset], 20h |
||
2735 | mov dword[edi+18h], 490024h ; unicode $I30 |
||
2736 | mov dword[edi+18h+4], 300033h |
||
6273 | pathoswith | 2737 | mov byte [edi+20h+indexedAttributesType], 30h |
6019 | pathoswith | 2738 | mov byte [edi+20h+collationRule], 1 |
5954 | pathoswith | 2739 | mov eax, [ebp+NTFS.sectors_per_cluster] |
6292 | pathoswith | 2740 | mov dl, 1 |
2741 | shl eax, 8 |
||
2742 | @@: |
||
2743 | shl eax, 1 |
||
2744 | shl edx, 1 |
||
2745 | cmp eax, [ebp+NTFS.frs_size] |
||
2746 | jc @b |
||
2747 | shr edx, 1 |
||
6019 | pathoswith | 2748 | mov [edi+20h+indexRecordSize], eax |
6292 | pathoswith | 2749 | mov [edi+20h+indexRecordSizeClus], dl |
6019 | pathoswith | 2750 | mov byte [edi+30h+indexOffset], 16 |
2751 | mov byte [edi+30h+nodeRealSize], 32 |
||
2752 | mov byte [edi+30h+nodeAllocatedSize], 32 |
||
2753 | mov byte [edi+40h+indexAllocatedSize], 16 |
||
2754 | mov byte [edi+40h+indexFlags], 2 |
||
6151 | pathoswith | 2755 | add edi, 50h |
5954 | pathoswith | 2756 | mov al, 3 |
6292 | pathoswith | 2757 | .end: |
6408 | pathoswith | 2758 | mov ebx, [ebp+NTFS.frs_buffer] |
6151 | pathoswith | 2759 | mov dword [edi], -1 |
2760 | mov dword [edi+4], 0 |
||
2761 | add edi, 8 |
||
6408 | pathoswith | 2762 | sub edi, ebx |
2763 | mov [ebx+recordFlags], al |
||
2764 | mov [ebx+recordRealSize], edi |
||
2765 | mov edx, [ebp+NTFS.LastRead] |
||
5954 | pathoswith | 2766 | call writeRecord |
6019 | pathoswith | 2767 | ; write MFT bitmap |
6340 | pathoswith | 2768 | mov eax, [ebp+NTFS.newRecord] |
5954 | pathoswith | 2769 | shr eax, 3+9 |
2770 | mov ebx, eax |
||
2771 | shl ebx, 9 |
||
2772 | add eax, [ebp+NTFS.mftBitmapLocation] |
||
2773 | add ebx, [ebp+NTFS.mftBitmapBuffer] |
||
2774 | mov ecx, 1 |
||
2775 | xor edx, edx |
||
2776 | call fs_write64_sys |
||
6292 | pathoswith | 2777 | ; 5. Write directory node |
6408 | pathoswith | 2778 | mov ebx, [ebp+NTFS.cur_index_buf] |
2779 | mov edx, [ebp+NTFS.nodeLastRead] |
||
5954 | pathoswith | 2780 | call writeRecord |
6019 | pathoswith | 2781 | mov ebx, [ebp+NTFS.fileRealSize] |
2782 | ntfsDone: |
||
5954 | pathoswith | 2783 | mov esi, [ebp+PARTITION.Disk] |
2784 | call disk_sync |
||
2785 | call ntfs_unlock |
||
6019 | pathoswith | 2786 | xor eax, eax |
5954 | pathoswith | 2787 | ret |
2788 | |||
2789 | writeRecord: |
||
6080 | pathoswith | 2790 | ; make updateSequence and write to disk |
5954 | pathoswith | 2791 | ; in: |
6408 | pathoswith | 2792 | ; ebx -> record |
2793 | ; edx = partition sector |
||
2794 | mov esi, ebx |
||
2795 | mov edi, ebx |
||
5954 | pathoswith | 2796 | movzx ecx, word [esi+updateSequenceOffset] |
2797 | add edi, ecx |
||
2798 | mov ax, [edi] |
||
6080 | pathoswith | 2799 | inc ax |
2800 | stosw |
||
5954 | pathoswith | 2801 | mov cx, [esi+updateSequenceSize] |
2802 | dec ecx |
||
2803 | push ecx |
||
2804 | @@: |
||
2805 | add esi, 510 |
||
2806 | movsw |
||
2807 | mov [esi-2], ax |
||
2808 | dec ecx |
||
2809 | jnz @b |
||
6408 | pathoswith | 2810 | mov eax, edx |
2811 | xor edx, edx |
||
5954 | pathoswith | 2812 | pop ecx |
2813 | jmp fs_write64_sys |
||
2814 | |||
6080 | pathoswith | 2815 | createMcbEntry: |
2816 | ; in: |
||
2817 | ; [ebp+NTFS.fileDataStart] = position value |
||
2818 | ; [ebp+NTFS.fileDataSize] = size value |
||
2819 | ; edi -> destination |
||
2820 | ; esi -> attribute header |
||
2821 | mov eax, [ebp+NTFS.fileDataStart] |
||
2822 | xor edx, edx |
||
2823 | shl eax, 1 |
||
2824 | jnc @f |
||
2825 | not eax |
||
2826 | @@: |
||
2827 | inc edx |
||
2828 | shr eax, 8 |
||
2829 | jnz @b |
||
2830 | mov eax, [ebp+NTFS.fileDataSize] |
||
2831 | shl eax, 1 |
||
2832 | xor ecx, ecx |
||
2833 | @@: |
||
2834 | inc ecx |
||
2835 | shr eax, 8 |
||
2836 | jnz @b |
||
2837 | lea eax, [edi+edx+1] |
||
2838 | add eax, ecx |
||
2839 | sub eax, esi |
||
6151 | pathoswith | 2840 | sub eax, [esi+sizeWithHeader] |
6080 | pathoswith | 2841 | jc @f |
2842 | add word [esi+sizeWithHeader], 8 ; extend attribute |
||
2843 | mov esi, [ebp+NTFS.frs_buffer] |
||
2844 | mov eax, [esi+recordRealSize] |
||
2845 | add eax, 8 |
||
2846 | cmp [esi+recordAllocatedSize], eax |
||
2847 | jc .end ; no space in the record |
||
2848 | mov [esi+recordRealSize], eax |
||
2849 | push ecx edi |
||
2850 | add esi, eax |
||
2851 | mov ecx, esi |
||
2852 | sub ecx, edi |
||
2853 | sub ecx, 8 |
||
2854 | shr ecx, 2 |
||
2855 | mov edi, esi |
||
2856 | sub edi, 4 |
||
2857 | sub esi, 12 |
||
2858 | std |
||
2859 | rep movsd |
||
2860 | cld |
||
2861 | pop edi ecx |
||
2862 | @@: |
||
2863 | mov eax, edx |
||
2864 | shl eax, 4 |
||
2865 | add eax, ecx |
||
2866 | stosb |
||
2867 | lea esi, [ebp+NTFS.fileDataSize] |
||
2868 | rep movsb |
||
2869 | lea esi, [ebp+NTFS.fileDataStart] |
||
2870 | mov ecx, edx |
||
2871 | rep movsb |
||
6151 | pathoswith | 2872 | mov [edi], cl |
6080 | pathoswith | 2873 | .end: |
2874 | ret |
||
2875 | |||
2876 | resizeAttribute: |
||
2877 | ; in: |
||
2878 | ; [ebp+NTFS.frs_buffer] -> file record |
||
6273 | pathoswith | 2879 | ; [ebp+NTFS.attr_offs] -> attribute |
6080 | pathoswith | 2880 | ; edx:eax = new size |
2881 | ; out: |
||
6107 | pathoswith | 2882 | ; [ebp+NTFS.fileDataSize] = clusters added (positive) |
2883 | ; [ebp+NTFS.fileDataStart] = added block |
||
6080 | pathoswith | 2884 | ; CF=1 -> eax = error code |
6273 | pathoswith | 2885 | mov esi, [ebp+NTFS.attr_offs] |
2886 | mov dword [ebp+NTFS.attr_size], eax |
||
2887 | mov dword [ebp+NTFS.attr_size+4], edx |
||
6151 | pathoswith | 2888 | cmp byte [esi+nonResidentFlag], 0 |
2889 | jz .resident |
||
6080 | pathoswith | 2890 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
2891 | shl ecx, 9 |
||
2892 | mov [esi+attributeRealSize], eax |
||
2893 | mov [esi+attributeRealSize+4], edx |
||
2894 | mov [esi+initialDataSize], eax |
||
2895 | mov [esi+initialDataSize+4], edx |
||
2896 | sub eax, 1 |
||
2897 | sbb edx, 0 |
||
6151 | pathoswith | 2898 | jc .makeResident |
6080 | pathoswith | 2899 | div ecx |
2900 | mov edi, eax |
||
2901 | inc eax |
||
2902 | mul ecx |
||
2903 | mov [esi+attributeAllocatedSize], eax |
||
2904 | mov [esi+attributeAllocatedSize+4], edx |
||
2905 | mov ecx, [esi+lastVCN] |
||
2906 | mov [esi+lastVCN], edi |
||
2907 | movzx eax, byte [esi+dataRunsOffset] |
||
2908 | sub edi, ecx |
||
6107 | pathoswith | 2909 | mov [ebp+NTFS.fileDataSize], edi |
6080 | pathoswith | 2910 | jz .done |
2911 | jc .shrinkAttribute |
||
2912 | ; extend attribute |
||
2913 | xor edi, edi |
||
2914 | add esi, eax |
||
2915 | push edi edi edi edi |
||
2916 | @@: |
||
2917 | mov edx, eax |
||
2918 | mov eax, esi |
||
2919 | add edi, [esp+8] |
||
2920 | call ntfs_decode_mcb_entry |
||
2921 | jc @b |
||
2922 | mov [esp+4], edx |
||
2923 | mov [esp+12], edi |
||
2924 | add edi, [esp] |
||
2925 | push edi |
||
2926 | shr edi, 5 |
||
2927 | shl edi, 2 |
||
2928 | push eax |
||
6273 | pathoswith | 2929 | cmp [ebp+NTFS.cur_iRecord], 0 |
6107 | pathoswith | 2930 | jz @f |
6080 | pathoswith | 2931 | cmp edi, [ebp+NTFS.BitmapStart] |
2932 | jc .err1 |
||
6107 | pathoswith | 2933 | @@: |
6080 | pathoswith | 2934 | call ntfsSpaceAlloc |
2935 | jc .err1 |
||
6292 | pathoswith | 2936 | mov eax, [ebp+NTFS.fileDataStart] |
6080 | pathoswith | 2937 | pop edi |
2938 | pop edx |
||
2939 | cmp edx, eax |
||
2940 | jnz .newEntry |
||
2941 | pop edx |
||
2942 | pop edi |
||
2943 | pop [ebp+NTFS.fileDataStart] |
||
2944 | mov [esp], eax |
||
2945 | push [ebp+NTFS.fileDataSize] |
||
2946 | add [ebp+NTFS.fileDataSize], edx |
||
2947 | jmp @f |
||
2948 | |||
2949 | .newEntry: |
||
2950 | add esp, 12 |
||
2951 | pop edx |
||
2952 | push eax |
||
2953 | push [ebp+NTFS.fileDataSize] |
||
2954 | sub eax, edx |
||
2955 | mov [ebp+NTFS.fileDataStart], eax |
||
2956 | @@: |
||
6273 | pathoswith | 2957 | mov esi, [ebp+NTFS.attr_offs] |
6080 | pathoswith | 2958 | call createMcbEntry |
6292 | pathoswith | 2959 | pop [ebp+NTFS.fileDataSize] |
2960 | pop [ebp+NTFS.fileDataStart] |
||
2961 | movi eax, ERROR_UNSUPPORTED_FS |
||
6151 | pathoswith | 2962 | .done: |
2963 | ret |
||
2964 | |||
6080 | pathoswith | 2965 | .err1: |
2966 | add esp, 24 |
||
2967 | stc |
||
6292 | pathoswith | 2968 | .err2: |
6151 | pathoswith | 2969 | movi eax, ERROR_DISK_FULL |
6080 | pathoswith | 2970 | ret |
2971 | |||
6292 | pathoswith | 2972 | .err3: |
2973 | movi eax, ERROR_FS_FAIL |
||
2974 | add esp, 20 |
||
2975 | stc |
||
6080 | pathoswith | 2976 | ret |
2977 | |||
2978 | .shrinkAttribute: |
||
2979 | add ecx, edi |
||
2980 | inc ecx |
||
2981 | add esi, eax |
||
2982 | xor edi, edi |
||
2983 | sub esp, 20 |
||
2984 | @@: |
||
2985 | mov [esp+16], esi |
||
2986 | call ntfs_decode_mcb_entry |
||
2987 | jnc .err3 |
||
2988 | add edi, [esp+8] |
||
2989 | sub ecx, [esp] |
||
2990 | jnc @b |
||
2991 | mov ebx, ecx |
||
2992 | add ecx, [esp] |
||
2993 | mov eax, [esp+8] |
||
2994 | mov [ebp+NTFS.fileDataSize], ecx |
||
2995 | mov [ebp+NTFS.fileDataStart], eax |
||
2996 | push edi |
||
2997 | add edi, ecx |
||
2998 | neg ebx |
||
2999 | call ntfsSpaceFree |
||
3000 | pop edi |
||
3001 | jc .end |
||
3002 | @@: |
||
3003 | call ntfs_decode_mcb_entry |
||
3004 | jnc .end |
||
3005 | cmp dword[esp+8], 0 |
||
3006 | jz @b |
||
3007 | add edi, [esp+8] |
||
3008 | mov ebx, [esp] |
||
3009 | call ntfsSpaceFree |
||
3010 | jnc @b |
||
3011 | .end: |
||
3012 | add esp, 16 |
||
3013 | pop edi |
||
3014 | cmp [ebp+NTFS.fileDataSize], 0 |
||
3015 | jz @f |
||
6273 | pathoswith | 3016 | mov esi, [ebp+NTFS.attr_offs] |
6080 | pathoswith | 3017 | call createMcbEntry |
6107 | pathoswith | 3018 | mov [ebp+NTFS.fileDataSize], 0 |
6080 | pathoswith | 3019 | @@: |
3020 | ret |
||
3021 | |||
6151 | pathoswith | 3022 | .resident: |
3023 | test edx, edx |
||
3024 | jnz .nonResident |
||
3025 | cmp eax, 8000h |
||
3026 | jnc .nonResident |
||
3027 | add ax, [esi+attributeOffset] |
||
3028 | sub eax, [esi+sizeWithHeader] |
||
3029 | jc @f |
||
3030 | mov edi, [ebp+NTFS.frs_buffer] |
||
3031 | mov ecx, eax |
||
3032 | add ecx, [edi+recordRealSize] |
||
3033 | cmp [edi+recordAllocatedSize], ecx |
||
3034 | jc .nonResident |
||
3035 | add eax, 7 |
||
3036 | and eax, not 7 |
||
3037 | add [edi+recordRealSize], eax |
||
3038 | add edi, [edi+recordRealSize] |
||
3039 | add [esi+sizeWithHeader], eax |
||
3040 | add esi, [esi+sizeWithHeader] |
||
3041 | mov ecx, edi |
||
3042 | sub ecx, esi |
||
3043 | shr ecx, 2 |
||
3044 | sub edi, 4 |
||
3045 | mov esi, edi |
||
3046 | sub esi, eax |
||
3047 | std |
||
3048 | rep movsd |
||
3049 | mov ecx, eax |
||
3050 | shr ecx, 2 |
||
3051 | xor eax, eax |
||
3052 | rep stosd |
||
3053 | cld |
||
6273 | pathoswith | 3054 | mov esi, [ebp+NTFS.attr_offs] |
6151 | pathoswith | 3055 | @@: |
6273 | pathoswith | 3056 | mov eax, dword [ebp+NTFS.attr_size] |
6151 | pathoswith | 3057 | mov [esi+sizeWithoutHeader], eax |
3058 | mov [ebp+NTFS.fileDataSize], 0 |
||
3059 | clc |
||
3060 | ret |
||
3061 | |||
3062 | .nonResident: ; convert resident to non-resident |
||
6273 | pathoswith | 3063 | mov eax, dword [ebp+NTFS.attr_size] |
6151 | pathoswith | 3064 | sub eax, 1 |
3065 | sbb edx, 0 |
||
3066 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
||
3067 | shl ecx, 9 |
||
3068 | div ecx |
||
3069 | inc eax |
||
3070 | mov [ebp+NTFS.fileDataSize], eax |
||
3071 | mov edi, [ebp+NTFS.BitmapStart] |
||
3072 | push ecx |
||
3073 | call ntfsSpaceAlloc |
||
3074 | pop ecx |
||
6292 | pathoswith | 3075 | jc .err2 |
6273 | pathoswith | 3076 | mov esi, [ebp+NTFS.attr_offs] |
6151 | pathoswith | 3077 | xor eax, eax |
3078 | xor edx, edx |
||
3079 | @@: |
||
3080 | add eax, ecx |
||
3081 | inc edx |
||
3082 | cmp eax, [esi+sizeWithoutHeader] |
||
3083 | jc @b |
||
3084 | push edx |
||
3085 | push eax |
||
3086 | stdcall kernel_alloc, eax |
||
3087 | mov ecx, [esp] |
||
3088 | shr ecx, 2 |
||
3089 | mov edi, eax |
||
3090 | mov ebx, eax |
||
3091 | xor eax, eax |
||
3092 | rep stosd |
||
3093 | mov al, [esi+attributeOffset] |
||
3094 | mov ecx, [esi+sizeWithoutHeader] |
||
3095 | add esi, eax |
||
3096 | mov edi, ebx |
||
3097 | rep movsb |
||
3098 | mov eax, [ebp+NTFS.fileDataStart] |
||
3099 | mul [ebp+NTFS.sectors_per_cluster] |
||
3100 | pop ecx |
||
3101 | shr ecx, 9 |
||
3102 | call fs_write64_app |
||
6292 | pathoswith | 3103 | stdcall kernel_free, ebx |
6273 | pathoswith | 3104 | mov esi, [ebp+NTFS.attr_offs] |
6151 | pathoswith | 3105 | add esi, [esi+sizeWithHeader] |
3106 | mov ecx, [ebp+NTFS.frs_buffer] |
||
3107 | add ecx, [ecx+recordRealSize] |
||
3108 | sub ecx, esi |
||
3109 | shr ecx, 2 |
||
6273 | pathoswith | 3110 | lea edi, [ebp+NTFS.bitmap_buf] |
6151 | pathoswith | 3111 | push ecx |
3112 | rep movsd |
||
6273 | pathoswith | 3113 | mov edi, [ebp+NTFS.attr_offs] |
6151 | pathoswith | 3114 | add edi, 16 |
3115 | mov cl, 6 |
||
3116 | xor eax, eax |
||
3117 | rep stosd |
||
6273 | pathoswith | 3118 | mov edi, [ebp+NTFS.attr_offs] |
6151 | pathoswith | 3119 | mov eax, [ebp+NTFS.fileDataSize] |
3120 | dec eax |
||
3121 | mov [edi+lastVCN], eax |
||
3122 | inc eax |
||
3123 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
||
3124 | shl ecx, 9 |
||
3125 | mul ecx |
||
3126 | mov byte [edi+sizeWithHeader], 50h |
||
3127 | mov byte [edi+nonResidentFlag], 1 |
||
3128 | mov byte [edi+dataRunsOffset], 40h |
||
3129 | mov [edi+attributeAllocatedSize], eax |
||
3130 | mov [edi+attributeAllocatedSize+4], edx |
||
6273 | pathoswith | 3131 | mov eax, dword [ebp+NTFS.attr_size] |
3132 | mov edx, dword [ebp+NTFS.attr_size+4] |
||
6151 | pathoswith | 3133 | mov [edi+attributeRealSize], eax |
3134 | mov [edi+attributeRealSize+4], edx |
||
3135 | mov [edi+initialDataSize], eax |
||
3136 | mov [edi+initialDataSize+4], edx |
||
3137 | mov esi, edi |
||
3138 | add edi, 40h |
||
3139 | call createMcbEntry |
||
3140 | mov eax, edi |
||
6273 | pathoswith | 3141 | mov edi, [ebp+NTFS.attr_offs] |
6151 | pathoswith | 3142 | sub eax, edi |
3143 | add eax, 8 |
||
3144 | and eax, not 7 |
||
3145 | mov [edi+sizeWithHeader], eax |
||
3146 | pop ecx |
||
6273 | pathoswith | 3147 | lea esi, [ebp+NTFS.bitmap_buf] |
6151 | pathoswith | 3148 | add edi, eax |
3149 | rep movsd |
||
3150 | mov esi, [ebp+NTFS.frs_buffer] |
||
3151 | sub edi, esi |
||
3152 | mov [esi+recordRealSize], edi |
||
3153 | pop edx |
||
3154 | sub [ebp+NTFS.fileDataSize], edx |
||
3155 | add [ebp+NTFS.fileDataStart], edx |
||
6292 | pathoswith | 3156 | ret |
6151 | pathoswith | 3157 | |
3158 | .makeResident: ; convert non-resident to empty resident |
||
3159 | movzx eax, byte [esi+dataRunsOffset] |
||
3160 | mov byte [esi+nonResidentFlag], 0 |
||
3161 | mov dword [esi+sizeWithoutHeader], 0 |
||
3162 | mov dword [esi+attributeOffset], 18h |
||
3163 | add esi, eax |
||
3164 | xor edi, edi |
||
3165 | sub esp, 16 |
||
3166 | @@: |
||
3167 | call ntfs_decode_mcb_entry |
||
3168 | jnc @f |
||
3169 | cmp dword[esp+8], 0 |
||
3170 | jz @b |
||
3171 | add edi, [esp+8] |
||
3172 | mov ebx, [esp] |
||
3173 | call ntfsSpaceFree |
||
3174 | jnc @b |
||
3175 | @@: |
||
3176 | add esp, 16 |
||
3177 | mov [ebp+NTFS.fileDataSize], 0 |
||
3178 | ret |
||
3179 | |||
6107 | pathoswith | 3180 | ntfsSpaceClean: |
3181 | ; clean up to 16 Mb of disk space |
||
3182 | ; in: |
||
3183 | ; [ebp+NTFS.fileDataStart] = block to clean |
||
3184 | ; [ebp+NTFS.fileDataSize] = block size |
||
3185 | mov eax, [ebp+NTFS.fileDataSize] |
||
3186 | test eax, eax |
||
3187 | jz @f |
||
3188 | mul [ebp+NTFS.sectors_per_cluster] |
||
3189 | cmp eax, 8001h |
||
3190 | jnc @f |
||
3191 | push eax |
||
3192 | shl eax, 9 |
||
3193 | stdcall kernel_alloc, eax |
||
3194 | pop ecx |
||
3195 | test eax, eax |
||
3196 | jz @f |
||
3197 | push ecx |
||
3198 | shl ecx, 7 |
||
3199 | mov edi, eax |
||
3200 | mov ebx, eax |
||
3201 | xor eax, eax |
||
3202 | rep stosd |
||
3203 | mov eax, [ebp+NTFS.fileDataStart] |
||
3204 | mul [ebp+NTFS.sectors_per_cluster] |
||
6273 | pathoswith | 3205 | mov [ebp+NTFS.LastRead], eax |
6107 | pathoswith | 3206 | pop ecx |
3207 | call fs_write64_app |
||
3208 | stdcall kernel_free, ebx |
||
3209 | @@: |
||
3210 | ret |
||
3211 | |||
6080 | pathoswith | 3212 | ntfsSpaceAlloc: |
6292 | pathoswith | 3213 | ; allocate disk space |
6080 | pathoswith | 3214 | ; in: |
3215 | ; edi = offset in bitmap to start search from |
||
3216 | ; [ebp+NTFS.fileDataSize] = block size in clusters |
||
3217 | ; out: |
||
6292 | pathoswith | 3218 | ; [ebp+NTFS.fileDataStart] = allocated block starting cluster |
6080 | pathoswith | 3219 | ; CF=1 -> disk full |
6292 | pathoswith | 3220 | push eax |
6080 | pathoswith | 3221 | mov ecx, [ebp+NTFS.BitmapBuffer] |
3222 | add edi, ecx |
||
3223 | add ecx, [ebp+NTFS.BitmapSize] |
||
3224 | sub ecx, edi |
||
3225 | jnc @f |
||
3226 | call bitmapBuffering |
||
3227 | shl ecx, 2 |
||
3228 | @@: |
||
3229 | shr ecx, 2 |
||
3230 | mov eax, [ebp+NTFS.fileDataSize] |
||
3231 | shr eax, 5 |
||
3232 | jz .small |
||
6292 | pathoswith | 3233 | mov ebx, eax ; bitmap dwords |
6080 | pathoswith | 3234 | .start: |
3235 | mov ecx, [ebp+NTFS.BitmapBuffer] |
||
3236 | add ecx, [ebp+NTFS.BitmapSize] |
||
3237 | sub ecx, edi |
||
3238 | shr ecx, 2 |
||
3239 | @@: |
||
3240 | xor eax, eax |
||
3241 | repnz scasd ; search for empty dword |
||
3242 | jz @f |
||
3243 | call bitmapBuffering |
||
3244 | jmp @b |
||
3245 | @@: |
||
6292 | pathoswith | 3246 | cmp ecx, ebx |
6080 | pathoswith | 3247 | jnc @f |
3248 | call bitmapBuffering |
||
3249 | jmp @b |
||
3250 | @@: |
||
3251 | sub edi, 4 |
||
6292 | pathoswith | 3252 | mov ecx, ebx |
6080 | pathoswith | 3253 | mov esi, edi |
3254 | xor eax, eax |
||
3255 | repz scasd ; check following dwords |
||
3256 | jnz .start |
||
3257 | sub esi, 4 |
||
3258 | mov eax, [esi] |
||
3259 | xor edx, edx |
||
3260 | bsr edx, eax |
||
3261 | inc edx |
||
3262 | push edx ; starting bit |
||
3263 | push esi ; starting dword |
||
3264 | add esi, 4 |
||
3265 | neg edx |
||
3266 | add edx, 32 |
||
3267 | mov eax, [ebp+NTFS.fileDataSize] |
||
3268 | sub eax, edx |
||
3269 | mov edx, eax |
||
3270 | shr eax, 5 |
||
3271 | shl eax, 2 |
||
3272 | add esi, eax |
||
3273 | mov eax, [esi] |
||
3274 | bsf ecx, eax ; check last dword |
||
3275 | jz .done |
||
3276 | and edx, 31 |
||
3277 | cmp ecx, edx |
||
3278 | jnc .done |
||
3279 | add esp, 8 |
||
3280 | jmp .start |
||
3281 | |||
3282 | .small: ; less than 32 clusters |
||
3283 | mov eax, -1 |
||
3284 | repz scasd ; search for zero bits |
||
3285 | test ecx, ecx |
||
3286 | jnz @f |
||
3287 | call bitmapBuffering |
||
3288 | jmp .small |
||
3289 | @@: |
||
3290 | sub edi, 4 |
||
3291 | mov eax, [edi] |
||
3292 | not eax |
||
3293 | @@: |
||
6292 | pathoswith | 3294 | bsf ebx, eax ; first 0 |
6080 | pathoswith | 3295 | jz .again |
3296 | not eax |
||
3297 | shr eax, cl |
||
3298 | shl eax, cl |
||
3299 | bsf edx, eax ; next 1 |
||
3300 | jz @f |
||
6292 | pathoswith | 3301 | sub edx, ebx |
6080 | pathoswith | 3302 | cmp edx, [ebp+NTFS.fileDataSize] |
3303 | jnc .got ; fits inside |
||
6292 | pathoswith | 3304 | bsf ebx, eax |
6080 | pathoswith | 3305 | not eax |
3306 | shr eax, cl |
||
3307 | shl eax, cl |
||
3308 | jmp @b |
||
3309 | @@: ; next dword |
||
3310 | mov eax, [edi+4] |
||
3311 | bsf edx, eax |
||
3312 | jz .got ; empty |
||
3313 | add edx, 32 |
||
6292 | pathoswith | 3314 | sub edx, ebx |
6080 | pathoswith | 3315 | cmp edx, [ebp+NTFS.fileDataSize] |
3316 | jnc .got ; share between dwords |
||
3317 | .again: |
||
3318 | add edi, 4 |
||
3319 | jmp .small |
||
3320 | |||
3321 | .got: |
||
6292 | pathoswith | 3322 | push ebx ; starting bit |
6080 | pathoswith | 3323 | push edi ; starting dword |
3324 | .done: ; mark space |
||
3325 | mov ecx, [esp+4] |
||
3326 | cmp ecx, 32 |
||
3327 | jc @f |
||
3328 | xor ecx, ecx |
||
3329 | add dword [esp], 4 |
||
3330 | mov [esp+4], ecx |
||
3331 | @@: |
||
3332 | mov edi, [esp] |
||
3333 | xor eax, eax |
||
3334 | dec eax |
||
3335 | shr eax, cl |
||
3336 | shl eax, cl |
||
3337 | neg ecx |
||
3338 | add ecx, 32 |
||
3339 | sub ecx, [ebp+NTFS.fileDataSize] |
||
3340 | jc @f |
||
3341 | shl eax, cl ; fits inside dword |
||
3342 | shr eax, cl |
||
3343 | or [edi], eax |
||
3344 | jmp .end |
||
3345 | |||
3346 | @@: |
||
3347 | or [edi], eax |
||
3348 | neg ecx |
||
3349 | push ecx |
||
3350 | shr ecx, 5 |
||
3351 | add edi, 4 |
||
3352 | xor eax, eax |
||
3353 | dec eax |
||
3354 | rep stosd |
||
3355 | pop ecx |
||
3356 | and ecx, 31 |
||
3357 | shr eax, cl |
||
3358 | shl eax, cl |
||
3359 | not eax |
||
3360 | or [edi], eax |
||
3361 | .end: |
||
3362 | pop eax |
||
6292 | pathoswith | 3363 | pop ecx |
6080 | pathoswith | 3364 | sub eax, [ebp+NTFS.BitmapBuffer] |
3365 | shl eax, 3 |
||
6292 | pathoswith | 3366 | add eax, ecx |
3367 | pop ecx |
||
3368 | mov ecx, [ebp+NTFS.fileDataSize] |
||
3369 | mov [ebp+NTFS.fileDataStart], eax |
||
3370 | add ecx, eax |
||
3371 | add ecx, 4095 |
||
3372 | shr ecx, 3+9 |
||
3373 | shr eax, 3+9 |
||
3374 | sub ecx, eax |
||
3375 | mov ebx, eax |
||
3376 | shl ebx, 9 |
||
3377 | add eax, [ebp+NTFS.BitmapLocation] |
||
3378 | add ebx, [ebp+NTFS.BitmapBuffer] |
||
3379 | xor edx, edx |
||
3380 | jmp fs_write64_app |
||
6080 | pathoswith | 3381 | |
3382 | ntfsSpaceFree: |
||
3383 | ; free disk space |
||
3384 | ; in: |
||
3385 | ; edi = starting cluster |
||
3386 | ; ebx = size in clusters |
||
3387 | mov eax, edi |
||
3388 | add eax, ebx |
||
3389 | shr eax, 3 |
||
3390 | inc eax |
||
3391 | cmp eax, [ebp+NTFS.BitmapSize] |
||
3392 | jc @f |
||
3393 | add eax, [ebp+NTFS.BitmapBuffer] |
||
3394 | push edi |
||
3395 | mov edi, eax |
||
3396 | call bitmapBuffering |
||
3397 | pop edi |
||
3398 | @@: |
||
3399 | push edi |
||
3400 | mov ecx, edi |
||
3401 | shr edi, 5 |
||
3402 | shl edi, 2 |
||
3403 | add edi, [ebp+NTFS.BitmapBuffer] |
||
3404 | and ecx, 31 |
||
3405 | xor eax, eax |
||
3406 | dec eax |
||
3407 | shr eax, cl |
||
3408 | shl eax, cl |
||
3409 | neg ecx |
||
3410 | add ecx, 32 |
||
3411 | sub ecx, ebx |
||
3412 | jc @f |
||
3413 | shl eax, cl ; fits inside dword |
||
3414 | shr eax, cl |
||
3415 | not eax |
||
3416 | and [edi], eax |
||
3417 | jmp .writeBitmap |
||
3418 | |||
3419 | @@: |
||
3420 | not eax |
||
3421 | and [edi], eax |
||
3422 | neg ecx |
||
3423 | push ecx |
||
3424 | shr ecx, 5 |
||
3425 | add edi, 4 |
||
3426 | xor eax, eax |
||
3427 | rep stosd |
||
3428 | pop ecx |
||
3429 | and ecx, 31 |
||
3430 | dec eax |
||
3431 | shr eax, cl |
||
3432 | shl eax, cl |
||
3433 | and [edi], eax |
||
3434 | .writeBitmap: |
||
3435 | pop eax |
||
3436 | mov edi, eax |
||
3437 | lea ecx, [eax+ebx+4095] |
||
3438 | shr eax, 3+9 |
||
3439 | shr ecx, 3+9 |
||
3440 | sub ecx, eax |
||
3441 | mov ebx, eax |
||
3442 | shl ebx, 9 |
||
3443 | add eax, [ebp+NTFS.BitmapLocation] |
||
3444 | add ebx, [ebp+NTFS.BitmapBuffer] |
||
3445 | xor edx, edx |
||
3446 | jmp fs_write64_app |
||
3447 | |||
5954 | pathoswith | 3448 | bitmapBuffering: |
3449 | ; Extend BitmapBuffer and read next 32kb of bitmap |
||
3450 | ; Warning: $Bitmap fragmentation is not foreseen |
||
6080 | pathoswith | 3451 | ; in: edi -> position in bitmap buffer |
3452 | ; out: ecx = number of buffered dwords left |
||
5954 | pathoswith | 3453 | push ebx |
3454 | mov eax, [ebp+NTFS.BitmapTotalSize] |
||
3455 | cmp eax, [ebp+NTFS.BitmapSize] |
||
3456 | jz .end |
||
3457 | stdcall alloc_pages, 8 |
||
3458 | test eax, eax |
||
3459 | jz .end |
||
3460 | add eax, 3 |
||
3461 | mov ebx, [ebp+NTFS.BitmapBuffer] |
||
3462 | add ebx, [ebp+NTFS.BitmapSize] |
||
3463 | push ebx |
||
3464 | mov ecx, 8 |
||
3465 | call commit_pages |
||
3466 | mov eax, [ebp+NTFS.BitmapSize] |
||
3467 | shr eax, 9 |
||
3468 | add eax, [ebp+NTFS.BitmapLocation] |
||
3469 | pop ebx |
||
3470 | mov ecx, 64 |
||
3471 | xor edx, edx |
||
3472 | call fs_read64_app |
||
3473 | test eax, eax |
||
3474 | jnz .err |
||
3475 | add [ebp+NTFS.BitmapSize], 8000h |
||
3476 | mov eax, [ebp+NTFS.BitmapTotalSize] |
||
3477 | cmp eax, [ebp+NTFS.BitmapSize] |
||
3478 | jnc @f |
||
3479 | mov [ebp+NTFS.BitmapSize], eax |
||
3480 | @@: |
||
6080 | pathoswith | 3481 | pop ebx |
3482 | mov ecx, [ebp+NTFS.BitmapBuffer] |
||
3483 | add ecx, [ebp+NTFS.BitmapSize] |
||
6019 | pathoswith | 3484 | sub ecx, edi |
6080 | pathoswith | 3485 | jc bitmapBuffering |
5954 | pathoswith | 3486 | shr ecx, 2 |
3487 | ret |
||
3488 | |||
3489 | .err: |
||
3490 | mov eax, [ebp+NTFS.BitmapBuffer] |
||
3491 | add eax, [ebp+NTFS.BitmapSize] |
||
3492 | mov ecx, 8 |
||
3493 | call release_pages |
||
3494 | .end: |
||
6292 | pathoswith | 3495 | add esp, 12 ; ret |
6080 | pathoswith | 3496 | stc |
3497 | ret |
||
5954 | pathoswith | 3498 | |
2288 | clevermous | 3499 | ;---------------------------------------------------------------- |
5994 | pathoswith | 3500 | ntfs_WriteFile: |
3501 | cmp byte [esi], 0 |
||
3502 | jnz @f |
||
2288 | clevermous | 3503 | xor ebx, ebx |
5994 | pathoswith | 3504 | movi eax, ERROR_ACCESS_DENIED |
2288 | clevermous | 3505 | ret |
5994 | pathoswith | 3506 | @@: |
3507 | call ntfs_lock |
||
6468 | pathoswith | 3508 | call ntfs_find_lfn |
6019 | pathoswith | 3509 | jc ntfsNotFound |
6273 | pathoswith | 3510 | cmp [ebp+NTFS.cur_iRecord], 16 |
6019 | pathoswith | 3511 | jc ntfsDenied |
6420 | pathoswith | 3512 | test dword [eax+fileFlags], 10000001h |
3513 | jnz ntfsDenied |
||
6273 | pathoswith | 3514 | cmp [ebp+NTFS.fragmentCount], 1 |
6080 | pathoswith | 3515 | jnz ntfsUnsupported ; record fragmented |
6151 | pathoswith | 3516 | ; edit directory node |
6080 | pathoswith | 3517 | mov edi, [ebp+NTFS.cur_index_buf] |
3518 | cmp dword [edi], 'INDX' |
||
3519 | jz @f |
||
3520 | mov esi, [ebp+NTFS.frs_buffer] |
||
3521 | mov ecx, [esi+recordRealSize] |
||
3522 | shr ecx, 2 |
||
3523 | rep movsd |
||
6273 | pathoswith | 3524 | mov esi, [ebp+NTFS.attr_offs] |
6080 | pathoswith | 3525 | mov cl, [esi+attributeOffset] |
3526 | sub esi, [ebp+NTFS.frs_buffer] |
||
6151 | pathoswith | 3527 | add eax, ecx |
3528 | add eax, esi |
||
6080 | pathoswith | 3529 | @@: |
6420 | pathoswith | 3530 | mov edi, eax |
3531 | mov eax, [ebx+4] |
||
6151 | pathoswith | 3532 | mov edx, [ebx+8] |
6420 | pathoswith | 3533 | add eax, [ebx+12] |
6151 | pathoswith | 3534 | adc edx, 0 |
6420 | pathoswith | 3535 | mov [edi+fileRealSize], eax |
3536 | mov [edi+fileRealSize+4], edx |
||
3537 | push edx eax ebx |
||
3538 | call ntfsGetTime |
||
3539 | mov [edi+fileModified], eax |
||
3540 | mov [edi+fileModified+4], edx |
||
3541 | mov [edi+recordModified], eax |
||
3542 | mov [edi+recordModified+4], edx |
||
3543 | mov [edi+fileAccessed], eax |
||
3544 | mov [edi+fileAccessed+4], edx |
||
3545 | pop ebx ecx edx |
||
6273 | pathoswith | 3546 | mov eax, [ebp+NTFS.LastRead] |
6151 | pathoswith | 3547 | mov [ebp+NTFS.nodeLastRead], eax |
6273 | pathoswith | 3548 | mov [ebp+NTFS.cur_attr], 0x80 |
3549 | mov [ebp+NTFS.cur_offs], 0 |
||
3550 | mov [ebp+NTFS.cur_size], 0 |
||
5994 | pathoswith | 3551 | call ntfs_read_attr |
6080 | pathoswith | 3552 | jc ntfsFail |
6420 | pathoswith | 3553 | mov esi, edi |
3554 | mov edi, [ebp+NTFS.frs_buffer] |
||
3555 | cmp word [edi+baseRecordReuse], 0 |
||
3556 | jnz ntfsUnsupported ; auxiliary record |
||
3557 | mov al, [edi+attributeOffset] |
||
3558 | add edi, eax |
||
3559 | mov al, [edi+attributeOffset] |
||
3560 | add edi, eax |
||
6151 | pathoswith | 3561 | mov eax, ecx |
6420 | pathoswith | 3562 | mov ecx, 6 |
3563 | add esi, fileModified |
||
3564 | add edi, 8 |
||
3565 | rep movsd |
||
6273 | pathoswith | 3566 | mov ecx, [ebp+NTFS.attr_offs] |
6151 | pathoswith | 3567 | cmp word [ecx+attributeFlags], 0 |
3568 | jnz ntfsUnsupported |
||
3569 | push ebx |
||
3570 | cmp byte [ecx+nonResidentFlag], 0 |
||
3571 | jz .resizeAttribute |
||
5994 | pathoswith | 3572 | cmp edx, [ecx+attributeRealSize+4] |
6080 | pathoswith | 3573 | jc .writeNode |
3574 | jnz .resizeAttribute |
||
5994 | pathoswith | 3575 | cmp [ecx+attributeRealSize], eax |
6080 | pathoswith | 3576 | jnc .writeNode |
3577 | .resizeAttribute: |
||
3578 | call resizeAttribute |
||
6107 | pathoswith | 3579 | jc ntfsErrorPop |
6273 | pathoswith | 3580 | mov ecx, [ebp+NTFS.attr_offs] |
6151 | pathoswith | 3581 | cmp byte [ecx+nonResidentFlag], 1 |
3582 | jz @f |
||
3583 | mov ebx, [esp] |
||
3584 | movzx edi, byte [ecx+attributeOffset] |
||
3585 | add edi, ecx |
||
3586 | add edi, [ebx+4] |
||
3587 | mov ecx, [ebx+12] |
||
3588 | mov esi, [ebx+16] |
||
3589 | rep movsb |
||
3590 | @@: |
||
6408 | pathoswith | 3591 | mov ebx, [ebp+NTFS.frs_buffer] |
3592 | mov edx, [ebp+NTFS.mftLastRead] |
||
6080 | pathoswith | 3593 | call writeRecord ; file |
3594 | call ntfs_restore_usa_frs |
||
3595 | .writeNode: |
||
6408 | pathoswith | 3596 | mov ebx, [ebp+NTFS.cur_index_buf] |
3597 | mov edx, [ebp+NTFS.nodeLastRead] |
||
6080 | pathoswith | 3598 | call writeRecord ; directory |
3599 | pop ebx |
||
6273 | pathoswith | 3600 | mov ecx, [ebp+NTFS.attr_offs] |
6151 | pathoswith | 3601 | cmp byte [ecx+nonResidentFlag], 0 |
3602 | jz .done |
||
3603 | mov ecx, [ebx+12] |
||
3604 | test ecx, ecx |
||
3605 | jz .done |
||
5994 | pathoswith | 3606 | mov eax, [ebx+4] |
3607 | mov edx, [ebx+8] |
||
3608 | mov esi, [ebx+16] |
||
3609 | shrd eax, edx, 9 |
||
3610 | test dword[ebx+4], 1FFh |
||
3611 | jz .aligned |
||
6273 | pathoswith | 3612 | mov [ebp+NTFS.cur_offs], eax |
3613 | mov [ebp+NTFS.cur_size], 1 |
||
3614 | lea edi, [ebp+NTFS.bitmap_buf] |
||
3615 | mov [ebp+NTFS.cur_buf], edi |
||
5994 | pathoswith | 3616 | call ntfs_read_attr.continue |
6019 | pathoswith | 3617 | jc ntfsDevice |
5994 | pathoswith | 3618 | mov eax, [ebx+4] |
3619 | and eax, 1FFh |
||
3620 | add edi, eax |
||
6273 | pathoswith | 3621 | sub eax, [ebp+NTFS.cur_read] |
5994 | pathoswith | 3622 | neg eax |
3623 | push ecx |
||
3624 | cmp ecx, eax |
||
3625 | jb @f |
||
3626 | mov ecx, eax |
||
3627 | @@: |
||
3628 | sub [esp], ecx |
||
3629 | rep movsb |
||
3630 | push ebx |
||
6273 | pathoswith | 3631 | mov eax, [ebp+NTFS.LastRead] |
3632 | lea ebx, [ebp+NTFS.bitmap_buf] |
||
5994 | pathoswith | 3633 | mov ecx, 1 |
3634 | xor edx, edx |
||
3635 | call fs_write64_app |
||
3636 | pop ebx |
||
3637 | pop ecx |
||
3638 | test ecx, ecx |
||
6151 | pathoswith | 3639 | jz .done |
5994 | pathoswith | 3640 | mov eax, [ebx+4] |
3641 | mov edx, [ebx+8] |
||
3642 | shrd eax, edx, 9 |
||
3643 | inc eax |
||
3644 | .aligned: |
||
3645 | push ecx |
||
3646 | shr ecx, 9 |
||
6273 | pathoswith | 3647 | mov [ebp+NTFS.cur_offs], eax |
3648 | mov [ebp+NTFS.cur_size], ecx |
||
3649 | mov [ebp+NTFS.cur_buf], esi |
||
5994 | pathoswith | 3650 | add eax, ecx |
3651 | push eax |
||
6273 | pathoswith | 3652 | mov [ebp+NTFS.bWriteAttr], 1 |
5994 | pathoswith | 3653 | call ntfs_read_attr.continue |
6273 | pathoswith | 3654 | mov [ebp+NTFS.bWriteAttr], 0 |
3655 | pop [ebp+NTFS.cur_offs] |
||
5994 | pathoswith | 3656 | pop ecx |
6019 | pathoswith | 3657 | jc ntfsDevice |
5994 | pathoswith | 3658 | and ecx, 1FFh |
6151 | pathoswith | 3659 | jz .done |
6273 | pathoswith | 3660 | add esi, [ebp+NTFS.cur_read] |
3661 | mov [ebp+NTFS.cur_size], 1 |
||
3662 | lea edi, [ebp+NTFS.bitmap_buf] |
||
3663 | mov [ebp+NTFS.cur_buf], edi |
||
5994 | pathoswith | 3664 | call ntfs_read_attr.continue |
6019 | pathoswith | 3665 | jc ntfsDevice |
5994 | pathoswith | 3666 | rep movsb |
3667 | push ebx |
||
6273 | pathoswith | 3668 | mov eax, [ebp+NTFS.LastRead] |
3669 | lea ebx, [ebp+NTFS.bitmap_buf] |
||
5994 | pathoswith | 3670 | mov ecx, 1 |
3671 | xor edx, edx |
||
3672 | call fs_write64_app |
||
3673 | pop ebx |
||
6151 | pathoswith | 3674 | .done: |
5994 | pathoswith | 3675 | mov ebx, [ebx+12] |
6019 | pathoswith | 3676 | jmp ntfsDone |
3677 | |||
3678 | ;---------------------------------------------------------------- |
||
3679 | ntfs_Delete: |
||
3680 | cmp byte [esi], 0 |
||
3681 | jnz @f |
||
6418 | pathoswith | 3682 | xor ebx, ebx |
6019 | pathoswith | 3683 | movi eax, ERROR_ACCESS_DENIED |
5994 | pathoswith | 3684 | ret |
6401 | pathoswith | 3685 | |
6019 | pathoswith | 3686 | @@: |
3687 | call ntfs_lock |
||
6468 | pathoswith | 3688 | call ntfs_find_lfn |
6019 | pathoswith | 3689 | jc ntfsNotFound |
6273 | pathoswith | 3690 | cmp [ebp+NTFS.cur_iRecord], 16 |
6019 | pathoswith | 3691 | jc ntfsDenied |
6420 | pathoswith | 3692 | test byte [eax+fileFlags], 1 |
3693 | jnz ntfsDenied |
||
6273 | pathoswith | 3694 | cmp [ebp+NTFS.fragmentCount], 1 |
6019 | pathoswith | 3695 | jnz ntfsUnsupported ; record fragmented |
6418 | pathoswith | 3696 | mov ebx, [eax+directoryRecordReference] |
3697 | mov [ebp+NTFS.newRecord], ebx |
||
3698 | mov bx, [eax+fileReferenceReuse] |
||
3699 | mov [ebp+NTFS.indexPointer], esi |
||
3700 | mov eax, [ebp+NTFS.cur_iRecord] |
||
3701 | shr eax, 3 |
||
3702 | cmp eax, [ebp+NTFS.mftBitmapSize] |
||
6019 | pathoswith | 3703 | jnc ntfsUnsupported |
6418 | pathoswith | 3704 | ; examine file record |
3705 | mov [ebp+NTFS.cur_attr], 0x80 ; file? |
||
3706 | mov [ebp+NTFS.cur_offs], 0 |
||
3707 | mov [ebp+NTFS.cur_size], 0 |
||
3708 | call ntfs_read_attr |
||
3709 | jnc @f |
||
3710 | xor eax, eax |
||
3711 | push ebx eax eax eax eax |
||
3712 | mov [esp+12], esp |
||
3713 | push eax |
||
3714 | mov ebx, esp |
||
3715 | mov [ebp+NTFS.cur_attr], 0x90 ; folder? |
||
3716 | call ntfs_ReadFolder.doit |
||
3717 | mov edx, [esp+12] |
||
3718 | add esp, 20 |
||
3719 | pop ebx |
||
3720 | test eax, eax |
||
3721 | jnz .ret |
||
3722 | cmp edx, 2 |
||
3723 | jnz ntfsDenied ; folder is not empty |
||
6401 | pathoswith | 3724 | mov [ebp+NTFS.cur_attr], 0xA0 |
6418 | pathoswith | 3725 | mov [ebp+NTFS.cur_offs], 0 |
3726 | mov [ebp+NTFS.cur_size], 0 |
||
6401 | pathoswith | 3727 | call ntfs_read_attr.newAttribute |
6418 | pathoswith | 3728 | jc .deleteFileRecord |
6401 | pathoswith | 3729 | @@: |
6418 | pathoswith | 3730 | mov esi, [ebp+NTFS.frs_buffer] |
3731 | cmp word [esi+baseRecordReuse], 0 |
||
3732 | jnz ntfsUnsupported ; auxiliary record |
||
3733 | cmp word [esi+reuseCounter], bx |
||
3734 | jnz .backToIndex ; broken index |
||
6420 | pathoswith | 3735 | test byte [esi+recordFlags], 1 |
6418 | pathoswith | 3736 | jz .writeBitmapMFT ; record deleted |
3737 | cmp byte [esi+hardLinkCounter], 3 |
||
3738 | jnc ntfsUnsupported |
||
3739 | mov esi, [ebp+NTFS.attr_offs] |
||
3740 | cmp byte [esi+nonResidentFlag], 0 |
||
3741 | jz .deleteFileRecord |
||
3742 | movzx eax, byte [esi+dataRunsOffset] |
||
6401 | pathoswith | 3743 | add esi, eax |
6418 | pathoswith | 3744 | xor edi, edi |
3745 | sub esp, 16 |
||
3746 | @@: |
||
3747 | call ntfs_decode_mcb_entry |
||
3748 | jnc @f |
||
3749 | cmp dword[esp+8], 0 |
||
6401 | pathoswith | 3750 | jz @b |
6418 | pathoswith | 3751 | add edi, [esp+8] |
3752 | mov ebx, [esp] |
||
3753 | call ntfsSpaceFree |
||
3754 | jnc @b |
||
3755 | @@: |
||
3756 | add esp, 16 |
||
3757 | .deleteFileRecord: |
||
3758 | mov ebx, [ebp+NTFS.frs_buffer] |
||
3759 | mov byte [ebx+recordFlags], 0 |
||
3760 | mov edx, [ebp+NTFS.mftLastRead] |
||
3761 | call writeRecord |
||
3762 | .writeBitmapMFT: |
||
3763 | mov eax, [ebp+NTFS.cur_iRecord] |
||
3764 | mov ecx, eax |
||
3765 | shr eax, 3 |
||
3766 | and ecx, 7 |
||
3767 | mov edi, [ebp+NTFS.mftBitmapBuffer] |
||
3768 | btr [edi+eax], ecx |
||
3769 | shr eax, 9 |
||
3770 | mov ebx, eax |
||
3771 | shl ebx, 9 |
||
3772 | add eax, [ebp+NTFS.mftBitmapLocation] |
||
3773 | add ebx, edi |
||
3774 | mov ecx, 1 |
||
3775 | xor edx, edx |
||
3776 | call fs_write64_sys |
||
3777 | .backToIndex: |
||
3778 | mov eax, [ebp+NTFS.newRecord] |
||
3779 | mov [ebp+NTFS.cur_iRecord], eax |
||
3780 | mov esi, [ebp+NTFS.indexPointer] |
||
6468 | pathoswith | 3781 | call ntfs_find_lfn.doit2 |
6418 | pathoswith | 3782 | jc ntfsFail |
3783 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
||
3784 | mov byte [ebx], 0 |
||
3785 | mov ebx, [ebp+NTFS.LastRead] |
||
3786 | mov [ebp+NTFS.nodeLastRead], ebx |
||
3787 | xor ebx, ebx |
||
3788 | test byte [eax+indexFlags], 1 |
||
3789 | jz .deleteIndex ; no subnode |
||
3790 | mov edi, eax |
||
3791 | call .findSubindex |
||
3792 | jc ntfsFail |
||
6401 | pathoswith | 3793 | movzx edx, word [edi+indexAllocatedSize] |
6418 | pathoswith | 3794 | test esi, esi |
3795 | jz @f |
||
6401 | pathoswith | 3796 | sub edx, eax |
3797 | sub edx, 8 |
||
6418 | pathoswith | 3798 | @@: |
3799 | mov eax, edi |
||
6401 | pathoswith | 3800 | mov ebx, esi |
3801 | jmp @f |
||
3802 | |||
3803 | .deleteIndex: |
||
3804 | movzx edx, word [eax+indexAllocatedSize] |
||
6107 | pathoswith | 3805 | mov ecx, [eax+fileRecordReference] |
3806 | cmp [eax+edx+fileRecordReference], ecx |
||
3807 | jnz @f |
||
3808 | add dx, [eax+edx+indexAllocatedSize] |
||
3809 | @@: |
||
6019 | pathoswith | 3810 | mov edi, [ebp+NTFS.cur_index_buf] |
3811 | cmp dword [edi], 'INDX' |
||
3812 | jz .indexRecord |
||
6418 | pathoswith | 3813 | sub eax, edi |
6401 | pathoswith | 3814 | mov edi, [ebp+NTFS.indexRoot] |
6019 | pathoswith | 3815 | sub [edi+sizeWithHeader], edx |
3816 | sub [edi+sizeWithoutHeader], edx |
||
6418 | pathoswith | 3817 | movzx ecx, byte [edi+attributeOffset] |
6019 | pathoswith | 3818 | add edi, ecx |
6418 | pathoswith | 3819 | add eax, edi |
6273 | pathoswith | 3820 | sub [edi+rootNode+nodeRealSize], edx |
3821 | sub [edi+rootNode+nodeAllocatedSize], edx |
||
6418 | pathoswith | 3822 | mov edi, [ebp+NTFS.frs_buffer] |
3823 | sub [edi+recordRealSize], edx |
||
3824 | mov ecx, [edi+recordRealSize] |
||
3825 | cmp [edi+recordAllocatedSize], ecx |
||
6019 | pathoswith | 3826 | jmp @f |
2288 | clevermous | 3827 | |
6019 | pathoswith | 3828 | .indexRecord: |
6401 | pathoswith | 3829 | add edi, recordNode |
3830 | sub [edi+nodeRealSize], edx |
||
3831 | mov ecx, [edi+nodeRealSize] |
||
3832 | cmp [edi+nodeAllocatedSize], ecx |
||
6418 | pathoswith | 3833 | @@: |
6401 | pathoswith | 3834 | jc ntfsUnsupported |
6418 | pathoswith | 3835 | add ecx, edi |
6019 | pathoswith | 3836 | sub ecx, eax |
3837 | mov esi, eax |
||
3838 | add esi, edx |
||
3839 | mov edi, eax |
||
6401 | pathoswith | 3840 | test edx, edx |
3841 | jns @f |
||
3842 | neg edx |
||
3843 | add edx, ecx |
||
3844 | sub edx, 4 |
||
3845 | add esi, edx |
||
3846 | add edi, edx |
||
3847 | std |
||
3848 | @@: |
||
3849 | jz @f |
||
3850 | shr ecx, 2 |
||
6019 | pathoswith | 3851 | rep movsd |
6401 | pathoswith | 3852 | cld |
3853 | @@: |
||
3854 | test ebx, ebx |
||
6418 | pathoswith | 3855 | jz .done |
6401 | pathoswith | 3856 | ; copy index from the subnode to replace deleted pointing index |
3857 | movzx ecx, word [ebx+indexAllocatedSize] |
||
3858 | mov edx, ecx |
||
6418 | pathoswith | 3859 | test byte [ebx+indexFlags], 1 |
3860 | jz @f |
||
3861 | sub ecx, 8 |
||
3862 | movzx edi, word [ebx+edx+indexAllocatedSize] |
||
3863 | add edi, edx |
||
3864 | mov esi, [ebx+ecx] |
||
3865 | mov [ebx+edi-8], esi |
||
3866 | mov [ebx+indexAllocatedSize], cx |
||
3867 | @@: |
||
6401 | pathoswith | 3868 | shr ecx, 2 |
3869 | mov esi, ebx |
||
3870 | mov edi, eax |
||
3871 | rep movsd |
||
3872 | add word [eax+indexAllocatedSize], 8 |
||
3873 | mov byte [eax+indexFlags], 1 |
||
6418 | pathoswith | 3874 | mov edi, [ebp+NTFS.secondIndexBuffer] |
6401 | pathoswith | 3875 | mov eax, ebx |
3876 | xor ebx, ebx |
||
3877 | jmp .indexRecord |
||
3878 | |||
6418 | pathoswith | 3879 | .done: |
6408 | pathoswith | 3880 | mov ebx, [ebp+NTFS.frs_buffer] |
6418 | pathoswith | 3881 | mov edx, [ebp+NTFS.rootLastRead] |
6019 | pathoswith | 3882 | call writeRecord |
6408 | pathoswith | 3883 | mov ebx, [ebp+NTFS.cur_index_buf] |
6418 | pathoswith | 3884 | cmp dword [ebx], 'INDX' |
3885 | jnz @f |
||
6408 | pathoswith | 3886 | mov edx, [ebp+NTFS.nodeLastRead] |
6401 | pathoswith | 3887 | call writeRecord |
6418 | pathoswith | 3888 | @@: |
6408 | pathoswith | 3889 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
3890 | cmp byte [ebx], 0 |
||
6401 | pathoswith | 3891 | jz ntfsDone |
6418 | pathoswith | 3892 | mov edx, [ebp+NTFS.LastRead] |
6019 | pathoswith | 3893 | call writeRecord |
6080 | pathoswith | 3894 | jmp ntfsDone |
6019 | pathoswith | 3895 | |
6418 | pathoswith | 3896 | .findSubindex: |
3897 | ; in: eax -> index |
||
3898 | ; out: |
||
3899 | ; CF=1 -> error |
||
3900 | ; esi=0 -> subnode deleted |
||
3901 | ; esi -> replacement index |
||
3902 | ; eax = index effective size |
||
3903 | movzx edx, word [eax+indexAllocatedSize] |
||
3904 | mov eax, [eax+edx-8] |
||
3905 | mov edx, [ebp+NTFS.cur_size] |
||
3906 | push edx |
||
3907 | cmp edx, [ebp+NTFS.cur_subnode_size] |
||
3908 | jz @f |
||
3909 | mul [ebp+NTFS.sectors_per_cluster] |
||
3910 | @@: |
||
3911 | mov [ebp+NTFS.cur_attr], 0xA0 |
||
3912 | mov [ebp+NTFS.cur_offs], eax |
||
3913 | push eax |
||
3914 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
||
3915 | mov esi, ebx |
||
3916 | mov [ebp+NTFS.cur_buf], ebx |
||
3917 | call ntfs_read_attr.newAttribute |
||
3918 | pop [ebp+NTFS.cur_offs] |
||
3919 | pop eax |
||
3920 | jc .ret |
||
3921 | cmp dword [esi], 'INDX' |
||
3922 | stc |
||
3923 | jnz .ret |
||
3924 | mov [ebp+NTFS.cur_size], eax |
||
3925 | shl eax, 9 |
||
3926 | call ntfs_restore_usa |
||
3927 | jc .ret |
||
3928 | add esi, recordNode |
||
3929 | add esi, [esi+indexOffset] |
||
3930 | test byte [esi+indexFlags], 2 |
||
3931 | jnz .emptyNode |
||
3932 | cmp [ebp+NTFS.fragmentCount], 1 |
||
3933 | stc |
||
3934 | jnz .ret ; record fragmented |
||
3935 | xor eax, eax |
||
3936 | @@: |
||
3937 | add esi, eax |
||
3938 | mov ax, [esi+indexAllocatedSize] |
||
3939 | test byte [esi+eax+indexFlags], 2 |
||
3940 | jz @b |
||
3941 | test byte [esi+indexFlags], 1 |
||
3942 | jz .ret |
||
3943 | add eax, esi |
||
3944 | push esi |
||
3945 | push [ebp+NTFS.cur_offs] |
||
3946 | call .findSubindex |
||
3947 | pop [ebp+NTFS.cur_offs] |
||
3948 | pop edx |
||
3949 | jc .ret |
||
3950 | test esi, esi |
||
3951 | jnz .ret |
||
3952 | mov esi, edx |
||
3953 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
||
3954 | mov [ebp+NTFS.cur_buf], ebx |
||
3955 | push [ebp+NTFS.cur_size] |
||
3956 | call ntfs_read_attr.continue |
||
3957 | pop eax |
||
3958 | jc .ret |
||
3959 | shl eax, 9 |
||
3960 | call ntfs_restore_usa |
||
3961 | jc .ret |
||
3962 | movzx eax, word [esi+indexAllocatedSize] |
||
3963 | sub eax, 8 |
||
3964 | .ret: |
||
3965 | ret |
||
3966 | |||
3967 | .emptyNode: |
||
3968 | test byte [esi+indexFlags], 1 |
||
3969 | jz @f |
||
3970 | mov eax, esi |
||
3971 | push [ebp+NTFS.cur_offs] |
||
3972 | call .findSubindex |
||
3973 | pop [ebp+NTFS.cur_offs] |
||
3974 | jc .ret |
||
3975 | test esi, esi |
||
3976 | jnz .ret |
||
3977 | @@: ; delete node |
||
3978 | mov esi, [ebp+NTFS.attr_offs] |
||
3979 | add esi, [esi+sizeWithHeader] |
||
3980 | cmp byte [esi], 0xB0 |
||
3981 | stc |
||
3982 | jnz .ret |
||
3983 | movzx eax, byte [esi+attributeOffset] |
||
3984 | add esi, eax |
||
3985 | mov eax, [ebp+NTFS.cur_offs] |
||
3986 | xor edx, edx |
||
3987 | div [ebp+NTFS.cur_size] |
||
3988 | mov edx, eax |
||
3989 | shr eax, 3 |
||
3990 | and edx, 7 |
||
3991 | btr [esi+eax], edx |
||
3992 | mov esi, [ebp+NTFS.secondIndexBuffer] |
||
3993 | mov byte [esi], 0 |
||
3994 | xor esi, esi |
||
3995 | ret |
||
3996 | |||
5954 | pathoswith | 3997 | ;---------------------------------------------------------------- |
3742 | clevermous | 3998 | ntfs_SetFileEnd: |
6107 | pathoswith | 3999 | cmp byte [esi], 0 |
4000 | jnz @f |
||
4001 | xor ebx, ebx |
||
4002 | movi eax, ERROR_ACCESS_DENIED |
||
4003 | ret |
||
4004 | @@: |
||
4005 | call ntfs_lock |
||
6468 | pathoswith | 4006 | call ntfs_find_lfn |
6107 | pathoswith | 4007 | jc ntfsNotFound |
6273 | pathoswith | 4008 | cmp [ebp+NTFS.cur_iRecord], 16 |
6107 | pathoswith | 4009 | jc ntfsDenied |
6420 | pathoswith | 4010 | test dword [eax+fileFlags], 10000001h |
4011 | jnz ntfsDenied |
||
6273 | pathoswith | 4012 | cmp [ebp+NTFS.fragmentCount], 1 |
6107 | pathoswith | 4013 | jnz ntfsUnsupported ; record fragmented |
6151 | pathoswith | 4014 | ; edit directory node |
6107 | pathoswith | 4015 | mov edi, [ebp+NTFS.cur_index_buf] |
4016 | cmp dword [edi], 'INDX' |
||
4017 | jz @f |
||
4018 | mov esi, [ebp+NTFS.frs_buffer] |
||
4019 | mov ecx, [esi+recordRealSize] |
||
4020 | shr ecx, 2 |
||
4021 | rep movsd |
||
6273 | pathoswith | 4022 | mov esi, [ebp+NTFS.attr_offs] |
6107 | pathoswith | 4023 | mov cl, [esi+attributeOffset] |
4024 | sub esi, [ebp+NTFS.frs_buffer] |
||
4025 | add eax, ecx |
||
4026 | add eax, esi |
||
4027 | @@: |
||
6420 | pathoswith | 4028 | mov edi, eax |
4029 | mov eax, [ebx+4] |
||
6107 | pathoswith | 4030 | mov edx, [ebx+8] |
6420 | pathoswith | 4031 | mov [edi+fileRealSize], eax |
4032 | mov [edi+fileRealSize+4], edx |
||
4033 | push edx eax ebx |
||
4034 | call ntfsGetTime |
||
4035 | mov [edi+fileModified], eax |
||
4036 | mov [edi+fileModified+4], edx |
||
4037 | mov [edi+recordModified], eax |
||
4038 | mov [edi+recordModified+4], edx |
||
4039 | mov [edi+fileAccessed], eax |
||
4040 | mov [edi+fileAccessed+4], edx |
||
4041 | pop ebx ecx edx |
||
6273 | pathoswith | 4042 | mov eax, [ebp+NTFS.LastRead] |
6107 | pathoswith | 4043 | mov [ebp+NTFS.nodeLastRead], eax |
6273 | pathoswith | 4044 | mov [ebp+NTFS.cur_attr], 0x80 |
4045 | mov [ebp+NTFS.cur_offs], 0 |
||
4046 | mov [ebp+NTFS.cur_size], 0 |
||
6107 | pathoswith | 4047 | call ntfs_read_attr |
4048 | jc ntfsFail |
||
6420 | pathoswith | 4049 | mov esi, edi |
4050 | mov edi, [ebp+NTFS.frs_buffer] |
||
4051 | cmp word [edi+baseRecordReuse], 0 |
||
4052 | jnz ntfsUnsupported ; auxiliary record |
||
4053 | mov al, [edi+attributeOffset] |
||
4054 | add edi, eax |
||
4055 | mov al, [edi+attributeOffset] |
||
4056 | add edi, eax |
||
6107 | pathoswith | 4057 | mov eax, ecx |
6420 | pathoswith | 4058 | mov ecx, 6 |
4059 | add esi, fileModified |
||
4060 | add edi, 8 |
||
4061 | rep movsd |
||
6273 | pathoswith | 4062 | mov ecx, [ebp+NTFS.attr_offs] |
6151 | pathoswith | 4063 | cmp word [ecx+attributeFlags], 0 |
4064 | jnz ntfsUnsupported |
||
4065 | cmp byte [ecx+nonResidentFlag], 0 |
||
4066 | jz .resizeAttribute |
||
6107 | pathoswith | 4067 | cmp [ecx+attributeRealSize+4], edx |
4068 | jnz .resizeAttribute |
||
4069 | cmp [ecx+attributeRealSize], eax |
||
4070 | jnc .resizeAttribute |
||
4071 | mov eax, [ecx+attributeRealSize] |
||
4072 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
||
6273 | pathoswith | 4073 | mov [ebp+NTFS.cur_size], ecx |
6107 | pathoswith | 4074 | shl ecx, 9 |
4075 | div ecx |
||
4076 | test edx, edx |
||
4077 | jz .aligned |
||
4078 | push edx |
||
4079 | push ecx |
||
4080 | mul [ebp+NTFS.sectors_per_cluster] |
||
6273 | pathoswith | 4081 | mov [ebp+NTFS.cur_offs], eax |
6107 | pathoswith | 4082 | stdcall kernel_alloc, ecx |
4083 | pop ecx |
||
4084 | pop edi |
||
6405 | pathoswith | 4085 | mov esi, eax |
6107 | pathoswith | 4086 | sub ecx, edi |
4087 | add edi, eax |
||
6273 | pathoswith | 4088 | mov [ebp+NTFS.cur_buf], eax |
6107 | pathoswith | 4089 | call ntfs_read_attr.continue |
4090 | jc @f |
||
4091 | xor eax, eax |
||
4092 | rep stosb |
||
4093 | push ebx |
||
6273 | pathoswith | 4094 | mov eax, [ebp+NTFS.LastRead] |
6405 | pathoswith | 4095 | mov ebx, esi |
6107 | pathoswith | 4096 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
4097 | xor edx, edx |
||
4098 | call fs_write64_app |
||
4099 | pop ebx |
||
4100 | @@: |
||
6405 | pathoswith | 4101 | stdcall kernel_free, esi |
6107 | pathoswith | 4102 | .aligned: |
4103 | mov eax, [ebx+4] |
||
4104 | mov edx, [ebx+8] |
||
4105 | .resizeAttribute: |
||
4106 | call resizeAttribute |
||
4107 | jc ntfsError |
||
6408 | pathoswith | 4108 | mov ebx, [ebp+NTFS.frs_buffer] |
4109 | mov edx, [ebp+NTFS.mftLastRead] |
||
6107 | pathoswith | 4110 | call writeRecord ; file |
6408 | pathoswith | 4111 | mov ebx, [ebp+NTFS.cur_index_buf] |
4112 | mov edx, [ebp+NTFS.nodeLastRead] |
||
6107 | pathoswith | 4113 | call writeRecord ; directory |
4114 | call ntfsSpaceClean |
||
4115 | jmp ntfsDone |
||
4116 | |||
6462 | pathoswith | 4117 | ntfsGetTime: |
4118 | call fsGetTime |
||
4119 | jmp @f |
||
2288 | clevermous | 4120 | |
6420 | pathoswith | 4121 | ntfsCalculateTime: |
4122 | ; in: esi -> data block |
||
6462 | pathoswith | 4123 | ; out: edx:eax = seconds since 01.01.1601 x10000000 |
4124 | call fsCalculateTime |
||
6420 | pathoswith | 4125 | @@: |
6462 | pathoswith | 4126 | mov edx, 10000000 |
6420 | pathoswith | 4127 | mul edx |
6462 | pathoswith | 4128 | add eax, 3365781504 |
4129 | adc edx, 29389701 |
||
6420 | pathoswith | 4130 | ret |
4131 | |||
3742 | clevermous | 4132 | ;---------------------------------------------------------------- |
6420 | pathoswith | 4133 | ntfs_SetFileInfo: |
2288 | clevermous | 4134 | cmp byte [esi], 0 |
4135 | jnz @f |
||
5994 | pathoswith | 4136 | movi eax, ERROR_UNSUPPORTED_FS |
2288 | clevermous | 4137 | ret |
4138 | @@: |
||
3742 | clevermous | 4139 | call ntfs_lock |
6468 | pathoswith | 4140 | call ntfs_find_lfn |
6420 | pathoswith | 4141 | jnc @f |
3742 | clevermous | 4142 | test eax, eax |
6019 | pathoswith | 4143 | jz ntfsFail |
4144 | jmp ntfsNotFound |
||
2288 | clevermous | 4145 | |
6420 | pathoswith | 4146 | @@: |
4147 | cmp [ebp+NTFS.fragmentCount], 1 |
||
4148 | jnz ntfsUnsupported ; record fragmented |
||
4149 | mov esi, [ebp+NTFS.cur_index_buf] |
||
4150 | cmp dword [esi], 'INDX' |
||
4151 | jz @f |
||
4152 | sub eax, esi |
||
4153 | mov esi, [ebp+NTFS.indexRoot] |
||
4154 | movzx edx, byte [esi+attributeOffset] |
||
4155 | add eax, esi |
||
4156 | add eax, edx |
||
4157 | @@: |
||
4158 | mov esi, [ebx+16] |
||
4159 | mov edi, eax |
||
4160 | mov eax, [esi] |
||
4161 | and eax, 27h |
||
4162 | and byte [edi+fileFlags], -28h |
||
4163 | or [edi+fileFlags], al |
||
4164 | add esi, 8 |
||
4165 | call ntfsCalculateTime |
||
4166 | mov [edi+fileCreated], eax |
||
4167 | mov [edi+fileCreated+4], edx |
||
4168 | add esi, 8 |
||
4169 | call ntfsCalculateTime |
||
4170 | mov [edi+fileAccessed], eax |
||
4171 | mov [edi+fileAccessed+4], edx |
||
4172 | add esi, 8 |
||
4173 | call ntfsCalculateTime |
||
4174 | mov [edi+fileModified], eax |
||
4175 | mov [edi+fileModified+4], edx |
||
4176 | mov ebx, [ebp+NTFS.cur_index_buf] |
||
4177 | cmp dword [ebx], 'INDX' |
||
4178 | jz @f |
||
4179 | mov ebx, [ebp+NTFS.frs_buffer] |
||
4180 | @@: |
||
4181 | mov edx, [ebp+NTFS.LastRead] |
||
4182 | call writeRecord |
||
4183 | jmp ntfsDone |
||
4184 | |||
6019 | pathoswith | 4185 | ntfsUnsupported: |
4186 | push ERROR_UNSUPPORTED_FS |
||
6080 | pathoswith | 4187 | jmp ntfsOut |
6019 | pathoswith | 4188 | ntfsDevice: |
4189 | push ERROR_DEVICE |
||
4190 | jmp ntfsOut |
||
4191 | ntfsNotFound: |
||
4192 | push ERROR_FILE_NOT_FOUND |
||
4193 | jmp ntfsOut |
||
4194 | ntfsDenied: |
||
4195 | push ERROR_ACCESS_DENIED |
||
4196 | jmp ntfsOut |
||
4197 | ntfsFail: |
||
4198 | push ERROR_FS_FAIL |
||
4199 | jmp ntfsOut |
||
6080 | pathoswith | 4200 | ntfsDiskFull: |
4201 | push ERROR_DISK_FULL |
||
4202 | jmp ntfsOut |
||
6414 | pathoswith | 4203 | ntfsErrorPop5: |
4204 | pop ebx |
||
4205 | pop ebx |
||
6340 | pathoswith | 4206 | ntfsErrorPop3: |
4207 | pop ebx |
||
6107 | pathoswith | 4208 | ntfsErrorPop2: |
4209 | pop ebx |
||
4210 | ntfsErrorPop: |
||
4211 | pop ebx |
||
6080 | pathoswith | 4212 | ntfsError: |
4213 | push eax |
||
4214 | ntfsOut: |
||
4215 | call ntfs_unlock |
||
4216 | xor ebx, ebx |
||
4217 | pop eax |
||
4218 | ret=> |