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1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
2 | ;; ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2016. All rights reserved. ;; |
3 | ;; Copyright (C) KolibriOS team 2004-2016. All rights reserved. ;; |
4 | ;; Distributed under terms of the GNU General Public License. ;; |
4 | ;; Distributed under terms of the GNU General Public License. ;; |
5 | ;; ;; |
5 | ;; ;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
7 | 7 | ||
8 | $Revision: 6869 $ |
8 | $Revision: 6876 $ |
9 | 9 | ||
10 | ; NTFS external functions |
10 | ; NTFS external functions |
11 | ; in: |
11 | ; in: |
12 | ; ebx -> parameter structure of sysfunc 70 |
12 | ; ebx -> parameter structure of sysfunc 70 |
13 | ; ebp -> NTFS structure |
13 | ; ebp -> NTFS structure |
14 | ; esi -> path string in UTF-8 |
14 | ; esi -> path string in UTF-8 |
15 | ; out: |
15 | ; out: |
16 | ; eax, ebx = return values for sysfunc 70 |
16 | ; eax, ebx = return values for sysfunc 70 |
17 | iglobal |
17 | iglobal |
18 | align 4 |
18 | align 4 |
19 | ntfs_user_functions: |
19 | ntfs_user_functions: |
20 | dd ntfs_free |
20 | dd ntfs_free |
21 | dd (ntfs_user_functions_end - ntfs_user_functions - 4) / 4 |
21 | dd (ntfs_user_functions_end - ntfs_user_functions - 4) / 4 |
22 | dd ntfs_ReadFile |
22 | dd ntfs_ReadFile |
23 | dd ntfs_ReadFolder |
23 | dd ntfs_ReadFolder |
24 | dd ntfs_CreateFile |
24 | dd ntfs_CreateFile |
25 | dd ntfs_WriteFile |
25 | dd ntfs_WriteFile |
26 | dd ntfs_SetFileEnd |
26 | dd ntfs_SetFileEnd |
27 | dd ntfs_GetFileInfo |
27 | dd ntfs_GetFileInfo |
28 | dd ntfs_SetFileInfo |
28 | dd ntfs_SetFileInfo |
29 | dd 0 |
29 | dd 0 |
30 | dd ntfs_Delete |
30 | dd ntfs_Delete |
31 | dd ntfs_CreateFolder |
31 | dd ntfs_CreateFolder |
32 | ntfs_user_functions_end: |
32 | ntfs_user_functions_end: |
33 | endg |
33 | endg |
34 | 34 | ||
35 | ; Basic concepts: |
35 | ; Basic concepts: |
36 | ; File is a FileRecord in the $MFT. |
36 | ; File is a FileRecord in the $MFT. |
37 | ; $MFT is a file, that consists of FileRecords and starts with FileRecord of itself. |
37 | ; $MFT is a file, that consists of FileRecords and starts with FileRecord of itself. |
38 | ; FileRecord (FILE) consists of a header and attributes. |
38 | ; FileRecord (FILE) consists of a header and attributes. |
39 | ; Attribute consists of a header and a body. |
39 | ; Attribute consists of a header and a body. |
40 | ; Attribute's body can be inside (resident) or outside of FileRecord. |
40 | ; Attribute's body can be inside (resident) or outside of FileRecord. |
41 | ; File's data is a body of $Data (80h) attribute. |
41 | ; File's data is a body of $Data (80h) attribute. |
42 | ; FileRecords is a data of the $MFT file. |
42 | ; FileRecords is a data of the $MFT file. |
43 | ; Directory is a file, that consists of index nodes. |
43 | ; Directory is a file, that consists of index nodes. |
44 | ; Resident index node is always located in a body of $IndexRoot (90h) attribute. |
44 | ; Resident index node is always located in a body of $IndexRoot (90h) attribute. |
45 | ; Body of $IndexAllocation (A0h) attribute is always non resident |
45 | ; Body of $IndexAllocation (A0h) attribute is always non resident |
46 | ; and consists of IndexRecords. |
46 | ; and consists of IndexRecords. |
47 | ; IndexRecord (INDX) consists of a header and an index node. |
47 | ; IndexRecord (INDX) consists of a header and an index node. |
48 | ; Index node consists of a header and indexes. |
48 | ; Index node consists of a header and indexes. |
49 | ; Index consists of a header and a copy of indexed attribute's body. |
49 | ; Index consists of a header and a copy of indexed attribute's body. |
50 | ; Directories index $Filename (30h) attribute of all existing files. |
50 | ; Directories index $Filename (30h) attribute of all existing files. |
51 | ; $IndexRoot and $IndexAllocation attributes of a directory has a name — $I30. |
51 | ; $IndexRoot and $IndexAllocation attributes of a directory has a name — $I30. |
52 | 52 | ||
53 | ; Offsets: |
53 | ; Offsets: |
54 | ; record header |
54 | ; record header |
55 | magic = 0 |
55 | magic = 0 |
56 | updateSequenceOffset = 4 |
56 | updateSequenceOffset = 4 |
57 | updateSequenceSize = 6 |
57 | updateSequenceSize = 6 |
58 | ; FileRecord header |
58 | ; FileRecord header |
59 | reuseCounter = 16 |
59 | reuseCounter = 16 |
60 | hardLinkCounter = 12h |
60 | hardLinkCounter = 12h |
61 | attributeOffset = 14h |
61 | attributeOffset = 14h |
62 | recordFlags = 16h |
62 | recordFlags = 16h |
63 | recordRealSize = 18h |
63 | recordRealSize = 18h |
64 | recordAllocatedSize = 1ch |
64 | recordAllocatedSize = 1ch |
65 | baseRecordReference = 20h ; for auxiliary records |
65 | baseRecordReference = 20h ; for auxiliary records |
66 | baseRecordReuse = 26h |
66 | baseRecordReuse = 26h |
67 | newAttributeID = 28h |
67 | newAttributeID = 28h |
68 | ; attribute header |
68 | ; attribute header |
69 | attributeType = 0 |
69 | attributeType = 0 |
70 | sizeWithHeader = 4 |
70 | sizeWithHeader = 4 |
71 | nonResidentFlag = 8 |
71 | nonResidentFlag = 8 |
72 | nameLength = 9 |
72 | nameLength = 9 |
73 | nameOffset = 10 |
73 | nameOffset = 10 |
74 | attributeFlags = 12 |
74 | attributeFlags = 12 |
75 | attributeID = 14 |
75 | attributeID = 14 |
76 | ; resident attribute header |
76 | ; resident attribute header |
77 | sizeWithoutHeader = 10h |
77 | sizeWithoutHeader = 10h |
78 | attributeOffset = 14h |
78 | attributeOffset = 14h |
79 | indexedFlag = 16h |
79 | indexedFlag = 16h |
80 | ; non resident attribute header |
80 | ; non resident attribute header |
81 | firstVCN = 10h |
81 | firstVCN = 10h |
82 | lastVCN = 18h |
82 | lastVCN = 18h |
83 | dataRunsOffset = 20h |
83 | dataRunsOffset = 20h |
84 | attributeAllocatedSize = 28h |
84 | attributeAllocatedSize = 28h |
85 | attributeRealSize = 30h |
85 | attributeRealSize = 30h |
86 | initialDataSize = 38h |
86 | initialDataSize = 38h |
87 | ; $IndexRoot |
87 | ; $IndexRoot |
88 | indexedAttributesType = 0 |
88 | indexedAttributesType = 0 |
89 | collationRule = 4 |
89 | collationRule = 4 |
90 | indexRecordSize = 8 |
90 | indexRecordSize = 8 |
91 | indexRecordSizeClus = 12 ; in sectors if less than one cluster |
91 | indexRecordSizeClus = 12 ; in sectors if less than one cluster |
92 | rootNode = 16 |
92 | rootNode = 16 |
93 | ; IndexRecord header |
93 | ; IndexRecord header |
94 | recordVCN = 16 |
94 | recordVCN = 16 |
95 | recordNode = 18h |
95 | recordNode = 18h |
96 | ; node header |
96 | ; node header |
97 | indexOffset = 0 |
97 | indexOffset = 0 |
98 | nodeRealSize = 4 |
98 | nodeRealSize = 4 |
99 | nodeAllocatedSize = 8 |
99 | nodeAllocatedSize = 8 |
100 | nonLeafFlag = 12 |
100 | nonLeafFlag = 12 |
101 | ; $Filename index |
101 | ; $Filename index |
102 | fileRecordReference = 0 |
102 | fileRecordReference = 0 |
103 | fileReferenceReuse = 6 |
103 | fileReferenceReuse = 6 |
104 | indexAllocatedSize = 8 |
104 | indexAllocatedSize = 8 |
105 | indexRawSize = 10 |
105 | indexRawSize = 10 |
106 | indexFlags = 12 |
106 | indexFlags = 12 |
107 | directoryRecordReference = 16 |
107 | directoryRecordReference = 16 |
108 | directoryReferenceReuse = 16h |
108 | directoryReferenceReuse = 16h |
109 | fileCreated = 18h |
109 | fileCreated = 18h |
110 | fileModified = 20h |
110 | fileModified = 20h |
111 | recordModified = 28h |
111 | recordModified = 28h |
112 | fileAccessed = 30h |
112 | fileAccessed = 30h |
113 | fileAllocatedSize = 38h |
113 | fileAllocatedSize = 38h |
114 | fileRealSize = 40h |
114 | fileRealSize = 40h |
115 | fileFlags = 48h |
115 | fileFlags = 48h |
116 | fileNameLength = 50h |
116 | fileNameLength = 50h |
117 | namespace = 51h |
117 | namespace = 51h |
118 | fileName = 52h |
118 | fileName = 52h |
119 | 119 | ||
120 | struct NTFS PARTITION |
120 | struct NTFS PARTITION |
121 | Lock MUTEX ; Currently operations with one partition |
121 | Lock MUTEX ; Currently operations with one partition |
122 | ; can not be executed in parallel since the legacy code is not ready. |
122 | ; can not be executed in parallel since the legacy code is not ready. |
123 | sectors_per_cluster dd ? |
123 | sectors_per_cluster dd ? |
124 | mft_cluster dd ? ; location |
124 | mft_cluster dd ? ; location |
125 | mftmirr_cluster dd ? ; location |
125 | mftmirr_cluster dd ? ; location |
126 | frs_size dd ? ; in bytes |
126 | frs_size dd ? ; in bytes |
127 | frs_buffer dd ? ; MFT fileRecord buffer |
127 | frs_buffer dd ? ; MFT fileRecord buffer |
128 | mft_retrieval_end dd ? |
128 | mft_retrieval_end dd ? |
129 | mftSize dd ? ; in sectors |
129 | mftSize dd ? ; in sectors |
130 | cur_index_size dd ? ; in sectors |
130 | cur_index_size dd ? ; in sectors |
131 | cur_index_buf dd ? ; index node buffer |
131 | cur_index_buf dd ? ; index node buffer |
132 | secondIndexBuffer dd ? |
132 | secondIndexBuffer dd ? |
133 | BitmapBuffer dd ? |
133 | BitmapBuffer dd ? |
134 | BitmapTotalSize dd ? ; bytes reserved |
134 | BitmapTotalSize dd ? ; bytes reserved |
135 | BitmapSize dd ? ; bytes readen |
135 | BitmapSize dd ? ; bytes readen |
136 | BitmapLocation dd ? ; starting sector |
136 | BitmapLocation dd ? ; starting sector |
137 | BitmapStart dd ? ; first byte after area, reserved for MFT |
137 | BitmapStart dd ? ; first byte after area, reserved for MFT |
138 | mftBitmapBuffer dd ? ; one cluster |
138 | mftBitmapBuffer dd ? ; one cluster |
139 | mftBitmapSize dd ? ; bytes readen |
139 | mftBitmapSize dd ? ; bytes readen |
140 | mftBitmapLocation dd ? ; starting sector |
140 | mftBitmapLocation dd ? ; starting sector |
141 | 141 | ||
142 | attr_size dq ? |
142 | attr_size dq ? |
143 | attr_offs dd ? |
143 | attr_offs dd ? |
144 | attr_list dd ? |
144 | attr_list dd ? |
145 | attr_iBaseRecord dd ? |
145 | attr_iBaseRecord dd ? |
146 | cur_attr dd ? ; attribute type |
146 | cur_attr dd ? ; attribute type |
147 | cur_iRecord dd ? ; number of fileRecord in MFT |
147 | cur_iRecord dd ? ; number of fileRecord in MFT |
148 | cur_offs dd ? ; attribute VCN in sectors |
148 | cur_offs dd ? ; attribute VCN in sectors |
149 | cur_size dd ? ; max sectors to read |
149 | cur_size dd ? ; max sectors to read |
150 | cur_buf dd ? |
150 | cur_buf dd ? |
151 | cur_read dd ? ; bytes readen |
151 | cur_read dd ? ; bytes readen |
152 | cur_tail dd ? |
152 | cur_tail dd ? |
153 | cur_subnode_size dd ? |
153 | cur_subnode_size dd ? |
154 | LastRead dd ? ; last readen block of sectors |
154 | LastRead dd ? ; last readen block of sectors |
155 | mftLastRead dd ? |
155 | mftLastRead dd ? |
156 | rootLastRead dd ? |
156 | rootLastRead dd ? |
157 | nodeLastRead dd ? |
157 | nodeLastRead dd ? |
158 | indexRoot dd ? |
158 | indexRoot dd ? |
159 | indexPointer dd ? |
159 | indexPointer dd ? |
160 | newRecord dd ? |
160 | newRecord dd ? |
161 | fileDataStart dd ? ; starting cluster |
161 | fileDataStart dd ? ; starting cluster |
162 | fileDataSize dd ? ; in clusters |
162 | fileDataSize dd ? ; in clusters |
163 | fileDataBuffer dd ? |
163 | fileDataBuffer dd ? |
164 | fileRealSize dd ? ; in bytes |
164 | fileRealSize dd ? ; in bytes |
165 | fragmentCount db ? |
165 | fragmentCount db ? |
166 | bCanContinue db ? |
166 | bCanContinue db ? |
167 | bFolder db ? |
167 | bFolder db ? |
168 | bWriteAttr db ? ; Warning: Don't forget to turn off!!! |
168 | bWriteAttr db ? ; Warning: Don't forget to turn off!!! |
169 | 169 | ||
170 | mft_retrieval rb 512 |
170 | mft_retrieval rb 512 |
171 | align0 rb 1024-NTFS.align0 |
171 | align0 rb 1024-NTFS.align0 |
172 | attrlist_buf rb 1024 |
172 | attrlist_buf rb 1024 |
173 | attrlist_mft_buf rb 1024 |
173 | attrlist_mft_buf rb 1024 |
174 | bitmap_buf rb 1024 |
174 | bitmap_buf rb 1024 |
175 | ends |
175 | ends |
176 | 176 | ||
177 | ntfs_test_bootsec: |
177 | ntfs_test_bootsec: |
178 | ; in: ebx -> buffer, edx = size of partition |
178 | ; in: ebx -> buffer, edx = size of partition |
179 | ; out: CF=1 -> invalid |
179 | ; out: CF=1 -> invalid |
180 | ; 1. Name=='NTFS ' |
180 | ; 1. Name=='NTFS ' |
181 | cmp dword [ebx+3], 'NTFS' |
181 | cmp dword [ebx+3], 'NTFS' |
182 | jnz .no |
182 | jnz .no |
183 | cmp dword [ebx+7], ' ' |
183 | cmp dword [ebx+7], ' ' |
184 | jnz .no |
184 | jnz .no |
185 | ; 2. Number of bytes per sector is the same as for physical device |
185 | ; 2. Number of bytes per sector is the same as for physical device |
186 | ; (that is, 0x200 for hard disk) |
186 | ; (that is, 0x200 for hard disk) |
187 | cmp word [ebx+11], 0x200 |
187 | cmp word [ebx+11], 0x200 |
188 | jnz .no |
188 | jnz .no |
189 | ; 3. Number of sectors per cluster must be power of 2 |
189 | ; 3. Number of sectors per cluster must be power of 2 |
190 | movzx eax, byte [ebx+13] |
190 | movzx eax, byte [ebx+13] |
191 | dec eax |
191 | dec eax |
192 | js .no |
192 | js .no |
193 | test al, [ebx+13] |
193 | test al, [ebx+13] |
194 | jnz .no |
194 | jnz .no |
195 | ; 4. FAT parameters must be zero |
195 | ; 4. FAT parameters must be zero |
196 | cmp word [ebx+14], 0 |
196 | cmp word [ebx+14], 0 |
197 | jnz .no |
197 | jnz .no |
198 | cmp dword [ebx+16], 0 |
198 | cmp dword [ebx+16], 0 |
199 | jnz .no |
199 | jnz .no |
200 | cmp byte [ebx+20], 0 |
200 | cmp byte [ebx+20], 0 |
201 | jnz .no |
201 | jnz .no |
202 | cmp word [ebx+22], 0 |
202 | cmp word [ebx+22], 0 |
203 | jnz .no |
203 | jnz .no |
204 | cmp dword [ebx+32], 0 |
204 | cmp dword [ebx+32], 0 |
205 | jnz .no |
205 | jnz .no |
206 | ; 5. Number of sectors <= partition size |
206 | ; 5. Number of sectors <= partition size |
207 | cmp dword [ebx+0x2C], 0 |
207 | cmp dword [ebx+0x2C], 0 |
208 | ja .no |
208 | ja .no |
209 | cmp [ebx+0x28], edx |
209 | cmp [ebx+0x28], edx |
210 | ja .no |
210 | ja .no |
211 | ; 6. $MFT and $MFTMirr clusters must be within partition |
211 | ; 6. $MFT and $MFTMirr clusters must be within partition |
212 | cmp dword [ebx+0x34], 0 |
212 | cmp dword [ebx+0x34], 0 |
213 | ja .no |
213 | ja .no |
214 | push edx |
214 | push edx |
215 | movzx eax, byte [ebx+13] |
215 | movzx eax, byte [ebx+13] |
216 | mul dword [ebx+0x30] |
216 | mul dword [ebx+0x30] |
217 | test edx, edx |
217 | test edx, edx |
218 | pop edx |
218 | pop edx |
219 | jnz .no |
219 | jnz .no |
220 | cmp eax, edx |
220 | cmp eax, edx |
221 | ja .no |
221 | ja .no |
222 | cmp dword [ebx+0x3C], 0 |
222 | cmp dword [ebx+0x3C], 0 |
223 | ja .no |
223 | ja .no |
224 | push edx |
224 | push edx |
225 | movzx eax, byte [ebx+13] |
225 | movzx eax, byte [ebx+13] |
226 | mul dword [ebx+0x38] |
226 | mul dword [ebx+0x38] |
227 | test edx, edx |
227 | test edx, edx |
228 | pop edx |
228 | pop edx |
229 | jnz .no |
229 | jnz .no |
230 | cmp eax, edx |
230 | cmp eax, edx |
231 | ja .no |
231 | ja .no |
232 | ; 7. Clusters per FRS must be either power of 2 or between -31 and -9 |
232 | ; 7. Clusters per FRS must be either power of 2 or between -31 and -9 |
233 | movsx eax, byte [ebx+0x40] |
233 | movsx eax, byte [ebx+0x40] |
234 | cmp al, -31 |
234 | cmp al, -31 |
235 | jl .no |
235 | jl .no |
236 | cmp al, -9 |
236 | cmp al, -9 |
237 | jle @f |
237 | jle @f |
238 | dec eax |
238 | dec eax |
239 | js .no |
239 | js .no |
240 | test [ebx+0x40], al |
240 | test [ebx+0x40], al |
241 | jnz .no |
241 | jnz .no |
242 | @@: ; 8. Same for clusters per IndexAllocationBuffer |
242 | @@: ; 8. Same for clusters per IndexAllocationBuffer |
243 | movsx eax, byte [ebx+0x44] |
243 | movsx eax, byte [ebx+0x44] |
244 | cmp al, -31 |
244 | cmp al, -31 |
245 | jl .no |
245 | jl .no |
246 | cmp al, -9 |
246 | cmp al, -9 |
247 | jle @f |
247 | jle @f |
248 | dec eax |
248 | dec eax |
249 | js .no |
249 | js .no |
250 | test [ebx+0x44], al |
250 | test [ebx+0x44], al |
251 | jnz .no |
251 | jnz .no |
252 | @@: ; OK, this is correct NTFS bootsector |
252 | @@: ; OK, this is correct NTFS bootsector |
253 | clc |
253 | clc |
254 | ret |
254 | ret |
255 | .no: ; No, this bootsector isn't NTFS |
255 | .no: ; No, this bootsector isn't NTFS |
256 | stc |
256 | stc |
257 | ret |
257 | ret |
258 | 258 | ||
259 | ; Mount if it's a valid NTFS partition. |
259 | ; Mount if it's a valid NTFS partition. |
260 | ntfs_create_partition: |
260 | ntfs_create_partition: |
261 | ; in: |
261 | ; in: |
262 | ; ebp -> PARTITION structure |
262 | ; ebp -> PARTITION structure |
263 | ; ebx -> boot sector |
263 | ; ebx -> boot sector |
264 | ; ebx+512 -> buffer |
264 | ; ebx+512 -> buffer |
265 | ; out: |
265 | ; out: |
266 | ; eax -> NTFS structure, 0 = not NTFS |
266 | ; eax -> NTFS structure, 0 = not NTFS |
267 | cmp dword [esi+DISK.MediaInfo.SectorSize], 512 |
267 | cmp dword [esi+DISK.MediaInfo.SectorSize], 512 |
268 | jnz .nope |
268 | jnz .nope |
269 | mov edx, dword [ebp+PARTITION.Length] |
269 | mov edx, dword [ebp+PARTITION.Length] |
270 | cmp dword [esp+4], 0 |
270 | cmp dword [esp+4], 0 |
271 | jz .boot_read_ok |
271 | jz .boot_read_ok |
272 | add ebx, 512 |
272 | add ebx, 512 |
273 | lea eax, [edx-1] |
273 | lea eax, [edx-1] |
274 | call fs_read32_sys |
274 | call fs_read32_sys |
275 | test eax, eax |
275 | test eax, eax |
276 | jnz @f |
276 | jnz @f |
277 | call ntfs_test_bootsec |
277 | call ntfs_test_bootsec |
278 | jnc .ntfs_setup |
278 | jnc .ntfs_setup |
279 | @@: |
279 | @@: |
280 | mov eax, edx |
280 | mov eax, edx |
281 | shr eax, 1 |
281 | shr eax, 1 |
282 | call fs_read32_sys |
282 | call fs_read32_sys |
283 | test eax, eax |
283 | test eax, eax |
284 | jnz .nope |
284 | jnz .nope |
285 | .boot_read_ok: |
285 | .boot_read_ok: |
286 | call ntfs_test_bootsec |
286 | call ntfs_test_bootsec |
287 | jnc .ntfs_setup |
287 | jnc .ntfs_setup |
288 | .nope: |
288 | .nope: |
289 | xor eax, eax |
289 | xor eax, eax |
290 | jmp .exit |
290 | jmp .exit |
291 | 291 | ||
292 | .ntfs_setup: ; By given bootsector, initialize some NTFS variables |
292 | .ntfs_setup: ; By given bootsector, initialize some NTFS variables |
293 | stdcall kernel_alloc, 1000h |
293 | stdcall kernel_alloc, 1000h |
294 | test eax, eax |
294 | test eax, eax |
295 | jz .exit |
295 | jz .exit |
296 | mov ecx, dword [ebp+PARTITION.FirstSector] |
296 | mov ecx, dword [ebp+PARTITION.FirstSector] |
297 | mov dword [eax+NTFS.FirstSector], ecx |
297 | mov dword [eax+NTFS.FirstSector], ecx |
298 | mov ecx, dword [ebp+PARTITION.FirstSector+4] |
298 | mov ecx, dword [ebp+PARTITION.FirstSector+4] |
299 | mov dword [eax+NTFS.FirstSector+4], ecx |
299 | mov dword [eax+NTFS.FirstSector+4], ecx |
300 | mov ecx, [ebp+PARTITION.Disk] |
300 | mov ecx, [ebp+PARTITION.Disk] |
301 | mov [eax+NTFS.Disk], ecx |
301 | mov [eax+NTFS.Disk], ecx |
302 | mov [eax+NTFS.FSUserFunctions], ntfs_user_functions |
302 | mov [eax+NTFS.FSUserFunctions], ntfs_user_functions |
303 | mov [eax+NTFS.bWriteAttr], 0 |
303 | mov [eax+NTFS.bWriteAttr], 0 |
304 | 304 | ||
305 | push ebx ebp esi |
305 | push ebx ebp esi |
306 | mov ebp, eax |
306 | mov ebp, eax |
307 | lea ecx, [ebp+NTFS.Lock] |
307 | lea ecx, [ebp+NTFS.Lock] |
308 | call mutex_init |
308 | call mutex_init |
309 | movzx eax, byte [ebx+13] |
309 | movzx eax, byte [ebx+13] |
310 | mov [ebp+NTFS.sectors_per_cluster], eax |
310 | mov [ebp+NTFS.sectors_per_cluster], eax |
311 | mov eax, [ebx+0x28] |
311 | mov eax, [ebx+0x28] |
312 | mov dword [ebp+NTFS.Length], eax |
312 | mov dword [ebp+NTFS.Length], eax |
313 | and dword [ebp+NTFS.Length+4], 0 |
313 | and dword [ebp+NTFS.Length+4], 0 |
314 | mov eax, [ebx+0x30] |
314 | mov eax, [ebx+0x30] |
315 | mov [ebp+NTFS.mft_cluster], eax |
315 | mov [ebp+NTFS.mft_cluster], eax |
316 | mov eax, [ebx+0x38] |
316 | mov eax, [ebx+0x38] |
317 | mov [ebp+NTFS.mftmirr_cluster], eax |
317 | mov [ebp+NTFS.mftmirr_cluster], eax |
318 | movsx eax, byte [ebx+0x40] |
318 | movsx eax, byte [ebx+0x40] |
319 | test eax, eax |
319 | test eax, eax |
320 | js @f |
320 | js @f |
321 | mul [ebp+NTFS.sectors_per_cluster] |
321 | mul [ebp+NTFS.sectors_per_cluster] |
322 | shl eax, 9 |
322 | shl eax, 9 |
323 | jmp .1 |
323 | jmp .1 |
324 | 324 | ||
325 | @@: |
325 | @@: |
326 | neg eax |
326 | neg eax |
327 | mov ecx, eax |
327 | mov ecx, eax |
328 | mov eax, 1 |
328 | mov eax, 1 |
329 | shl eax, cl |
329 | shl eax, cl |
330 | .1: |
330 | .1: |
331 | mov [ebp+NTFS.frs_size], eax |
331 | mov [ebp+NTFS.frs_size], eax |
332 | stdcall kernel_alloc, eax |
332 | stdcall kernel_alloc, eax |
333 | test eax, eax |
333 | test eax, eax |
334 | jz .fail_free |
334 | jz .fail_free |
335 | mov [ebp+NTFS.frs_buffer], eax |
335 | mov [ebp+NTFS.frs_buffer], eax |
336 | ; read $MFT disposition |
336 | ; read $MFT disposition |
337 | mov eax, [ebp+NTFS.mft_cluster] |
337 | mov eax, [ebp+NTFS.mft_cluster] |
338 | mul [ebp+NTFS.sectors_per_cluster] |
338 | mul [ebp+NTFS.sectors_per_cluster] |
339 | mov ecx, [ebp+NTFS.frs_size] |
339 | mov ecx, [ebp+NTFS.frs_size] |
340 | shr ecx, 9 |
340 | shr ecx, 9 |
341 | mov ebx, [ebp+NTFS.frs_buffer] |
341 | mov ebx, [ebp+NTFS.frs_buffer] |
342 | call fs_read64_sys |
342 | call fs_read64_sys |
343 | test eax, eax |
343 | test eax, eax |
344 | jnz .usemirr |
344 | jnz .usemirr |
345 | cmp dword [ebx], 'FILE' |
345 | cmp dword [ebx], 'FILE' |
346 | jnz .usemirr |
346 | jnz .usemirr |
347 | call ntfs_restore_usa_frs |
347 | call ntfs_restore_usa_frs |
348 | jnc .mftok |
348 | jnc .mftok |
349 | .usemirr: |
349 | .usemirr: |
350 | mov eax, [ebp+NTFS.mftmirr_cluster] |
350 | mov eax, [ebp+NTFS.mftmirr_cluster] |
351 | mul [ebp+NTFS.sectors_per_cluster] |
351 | mul [ebp+NTFS.sectors_per_cluster] |
352 | mov ecx, [ebp+NTFS.frs_size] |
352 | mov ecx, [ebp+NTFS.frs_size] |
353 | shr ecx, 9 |
353 | shr ecx, 9 |
354 | mov ebx, [ebp+NTFS.frs_buffer] |
354 | mov ebx, [ebp+NTFS.frs_buffer] |
355 | call fs_read64_sys |
355 | call fs_read64_sys |
356 | test eax, eax |
356 | test eax, eax |
357 | jnz .fail_free_frs |
357 | jnz .fail_free_frs |
358 | cmp dword [ebx], 'FILE' |
358 | cmp dword [ebx], 'FILE' |
359 | jnz .fail_free_frs |
359 | jnz .fail_free_frs |
360 | call ntfs_restore_usa_frs |
360 | call ntfs_restore_usa_frs |
361 | jc .fail_free_frs |
361 | jc .fail_free_frs |
362 | .mftok: ; prepare $MFT retrieval information |
362 | .mftok: ; prepare $MFT retrieval information |
363 | ; search for unnamed non-resident $DATA attribute |
363 | ; search for unnamed non-resident $DATA attribute |
364 | movzx eax, word [ebx+attributeOffset] |
364 | movzx eax, word [ebx+attributeOffset] |
365 | add eax, ebx |
365 | add eax, ebx |
366 | .scandata: |
366 | .scandata: |
367 | cmp dword [eax], -1 |
367 | cmp dword [eax], -1 |
368 | jz .fail_free_frs |
368 | jz .fail_free_frs |
369 | cmp dword [eax], 0x80 |
369 | cmp dword [eax], 0x80 |
370 | jnz @f |
370 | jnz @f |
371 | cmp byte [eax+nameLength], 0 |
371 | cmp byte [eax+nameLength], 0 |
372 | jz .founddata |
372 | jz .founddata |
373 | @@: |
373 | @@: |
374 | add eax, [eax+sizeWithHeader] |
374 | add eax, [eax+sizeWithHeader] |
375 | jmp .scandata |
375 | jmp .scandata |
376 | 376 | ||
377 | .founddata: |
377 | .founddata: |
378 | cmp byte [eax+nonResidentFlag], 0 |
378 | cmp byte [eax+nonResidentFlag], 0 |
379 | jz .fail_free_frs |
379 | jz .fail_free_frs |
380 | movzx esi, word [eax+dataRunsOffset] |
380 | movzx esi, word [eax+dataRunsOffset] |
381 | add esi, eax |
381 | add esi, eax |
382 | mov edx, [eax+attributeAllocatedSize+4] |
382 | mov edx, [eax+attributeAllocatedSize+4] |
383 | mov eax, [eax+attributeAllocatedSize] |
383 | mov eax, [eax+attributeAllocatedSize] |
384 | shrd eax, edx, 9 |
384 | shrd eax, edx, 9 |
385 | mov [ebp+NTFS.mftSize], eax |
385 | mov [ebp+NTFS.mftSize], eax |
386 | sub esp, 10h |
386 | sub esp, 10h |
387 | lea ecx, [ebp+NTFS.mft_retrieval] |
387 | lea ecx, [ebp+NTFS.mft_retrieval] |
388 | xor edx, edx |
388 | xor edx, edx |
389 | .scanmcb: ; load descriptions of fragments |
389 | .scanmcb: ; load descriptions of fragments |
390 | call ntfs_decode_mcb_entry |
390 | call ntfs_decode_mcb_entry |
391 | jnc .scanmcbend |
391 | jnc .scanmcbend |
392 | mov eax, [esp] ; block length |
392 | mov eax, [esp] ; block length |
393 | mov [ecx], eax |
393 | mov [ecx], eax |
394 | add edx, [esp+8] ; block addr |
394 | add edx, [esp+8] ; block addr |
395 | mov [ecx+4], edx |
395 | mov [ecx+4], edx |
396 | add ecx, 8 |
396 | add ecx, 8 |
397 | jmp .scanmcb |
397 | jmp .scanmcb |
398 | 398 | ||
399 | .scanmcbend: |
399 | .scanmcbend: |
400 | add esp, 10h |
400 | add esp, 10h |
401 | lea eax, [ebp+NTFS.attrlist_buf] |
401 | lea eax, [ebp+NTFS.attrlist_buf] |
402 | cmp eax, ecx |
402 | cmp eax, ecx |
403 | jc @f |
403 | jc @f |
404 | mov eax, ecx |
404 | mov eax, ecx |
405 | @@: |
405 | @@: |
406 | mov [ebp+NTFS.mft_retrieval_end], eax |
406 | mov [ebp+NTFS.mft_retrieval_end], eax |
407 | ; allocate index buffers |
407 | ; allocate index buffers |
408 | stdcall kernel_alloc, 2000h |
408 | stdcall kernel_alloc, 2000h |
409 | test eax, eax |
409 | test eax, eax |
410 | jz .fail_free_frs |
410 | jz .fail_free_frs |
411 | mov [ebp+NTFS.cur_index_buf], eax |
411 | mov [ebp+NTFS.cur_index_buf], eax |
412 | add eax, 1000h |
412 | add eax, 1000h |
413 | mov [ebp+NTFS.secondIndexBuffer], eax |
413 | mov [ebp+NTFS.secondIndexBuffer], eax |
414 | mov [ebp+NTFS.cur_index_size], 8 |
414 | mov [ebp+NTFS.cur_index_size], 8 |
415 | ; reserve adress space for bitmap buffer and load some part of bitmap |
415 | ; reserve adress space for bitmap buffer and load some part of bitmap |
416 | mov eax, dword [ebp+NTFS.Length] |
416 | mov eax, dword [ebp+NTFS.Length] |
417 | xor edx, edx |
417 | xor edx, edx |
418 | div [ebp+NTFS.sectors_per_cluster] |
418 | div [ebp+NTFS.sectors_per_cluster] |
419 | shr eax, 3 |
419 | shr eax, 3 |
420 | mov [ebp+NTFS.BitmapTotalSize], eax |
420 | mov [ebp+NTFS.BitmapTotalSize], eax |
421 | add eax, 7FFFh |
421 | add eax, 7FFFh |
422 | and eax, not 7FFFh |
422 | and eax, not 7FFFh |
423 | push eax |
423 | push eax |
424 | call alloc_kernel_space |
424 | call alloc_kernel_space |
425 | test eax, eax |
425 | test eax, eax |
426 | jz .failFreeIndex |
426 | jz .failFreeIndex |
427 | mov [ebp+NTFS.BitmapBuffer], eax |
427 | mov [ebp+NTFS.BitmapBuffer], eax |
428 | mov [ebp+NTFS.cur_buf], eax |
428 | mov [ebp+NTFS.cur_buf], eax |
429 | mov eax, [ebp+NTFS.BitmapTotalSize] |
429 | mov eax, [ebp+NTFS.BitmapTotalSize] |
430 | add eax, [ebp+NTFS.mft_cluster] |
430 | add eax, [ebp+NTFS.mft_cluster] |
431 | shr eax, 3+2 ; reserve 1/8 of partition for $MFT |
431 | shr eax, 3+2 ; reserve 1/8 of partition for $MFT |
432 | shl eax, 2 |
432 | shl eax, 2 |
433 | mov [ebp+NTFS.BitmapStart], eax |
433 | mov [ebp+NTFS.BitmapStart], eax |
434 | shr eax, 15 |
434 | shr eax, 15 |
435 | inc eax |
435 | inc eax |
436 | shl eax, 3 |
436 | shl eax, 3 |
437 | push eax |
437 | push eax |
438 | push eax |
438 | push eax |
439 | shl eax, 3 |
439 | shl eax, 3 |
440 | mov [ebp+NTFS.cur_size], eax |
440 | mov [ebp+NTFS.cur_size], eax |
441 | call alloc_pages |
441 | call alloc_pages |
442 | test eax, eax |
442 | test eax, eax |
443 | pop ecx |
443 | pop ecx |
444 | jz .failFreeBitmap |
444 | jz .failFreeBitmap |
445 | add eax, 3 |
445 | add eax, 3 |
446 | mov ebx, [ebp+NTFS.BitmapBuffer] |
446 | mov ebx, [ebp+NTFS.BitmapBuffer] |
447 | call commit_pages |
447 | call commit_pages |
448 | mov [ebp+NTFS.cur_iRecord], 6 |
448 | mov [ebp+NTFS.cur_iRecord], 6 |
449 | mov [ebp+NTFS.cur_attr], 0x80 |
449 | mov [ebp+NTFS.cur_attr], 0x80 |
450 | mov [ebp+NTFS.cur_offs], 0 |
450 | mov [ebp+NTFS.cur_offs], 0 |
451 | call ntfs_read_attr |
451 | call ntfs_read_attr |
452 | jc .failFreeBitmap |
452 | jc .failFreeBitmap |
453 | mov eax, [ebp+NTFS.cur_read] |
453 | mov eax, [ebp+NTFS.cur_read] |
454 | mov [ebp+NTFS.BitmapSize], eax |
454 | mov [ebp+NTFS.BitmapSize], eax |
455 | mov eax, [ebp+NTFS.LastRead] |
455 | mov eax, [ebp+NTFS.LastRead] |
456 | mov [ebp+NTFS.BitmapLocation], eax |
456 | mov [ebp+NTFS.BitmapLocation], eax |
457 | ; read MFT $BITMAP attribute |
457 | ; read MFT $BITMAP attribute |
458 | mov eax, [ebp+NTFS.sectors_per_cluster] |
458 | mov eax, [ebp+NTFS.sectors_per_cluster] |
459 | mov [ebp+NTFS.cur_size], eax |
459 | mov [ebp+NTFS.cur_size], eax |
460 | shl eax, 9 |
460 | shl eax, 9 |
461 | stdcall kernel_alloc, eax |
461 | stdcall kernel_alloc, eax |
462 | test eax, eax |
462 | test eax, eax |
463 | jz .failFreeBitmap |
463 | jz .failFreeBitmap |
464 | mov [ebp+NTFS.mftBitmapBuffer], eax |
464 | mov [ebp+NTFS.mftBitmapBuffer], eax |
465 | mov [ebp+NTFS.cur_buf], eax |
465 | mov [ebp+NTFS.cur_buf], eax |
466 | mov [ebp+NTFS.cur_iRecord], 0 |
466 | mov [ebp+NTFS.cur_iRecord], 0 |
467 | mov [ebp+NTFS.cur_attr], 0xB0 |
467 | mov [ebp+NTFS.cur_attr], 0xB0 |
468 | mov [ebp+NTFS.cur_offs], 0 |
468 | mov [ebp+NTFS.cur_offs], 0 |
469 | call ntfs_read_attr |
469 | call ntfs_read_attr |
470 | mov eax, [ebp+NTFS.cur_read] |
470 | mov eax, [ebp+NTFS.cur_read] |
471 | cmp eax, 4 |
471 | cmp eax, 4 |
472 | jc .failFreeBitmapMFT |
472 | jc .failFreeBitmapMFT |
473 | mov ecx, [ebp+NTFS.attr_offs] |
473 | mov ecx, [ebp+NTFS.attr_offs] |
474 | cmp byte [ecx+nonResidentFlag], 1 |
474 | cmp byte [ecx+nonResidentFlag], 1 |
475 | jnz .failFreeBitmapMFT |
475 | jnz .failFreeBitmapMFT |
476 | mov [ebp+NTFS.mftBitmapSize], eax |
476 | mov [ebp+NTFS.mftBitmapSize], eax |
477 | mov eax, [ebp+NTFS.LastRead] |
477 | mov eax, [ebp+NTFS.LastRead] |
478 | mov [ebp+NTFS.mftBitmapLocation], eax |
478 | mov [ebp+NTFS.mftBitmapLocation], eax |
479 | 479 | ||
480 | mov eax, ebp |
480 | mov eax, ebp |
481 | .pop_exit: |
481 | .pop_exit: |
482 | pop esi ebp ebx |
482 | pop esi ebp ebx |
483 | .exit: |
483 | .exit: |
484 | cmp dword [esp+4], 0 |
484 | cmp dword [esp+4], 0 |
485 | jz @f |
485 | jz @f |
486 | sub ebx, 512 |
486 | sub ebx, 512 |
487 | @@: |
487 | @@: |
488 | ret |
488 | ret |
489 | 489 | ||
490 | .failFreeBitmapMFT: |
490 | .failFreeBitmapMFT: |
491 | stdcall kernel_free, [ebp+NTFS.mftBitmapBuffer] |
491 | stdcall kernel_free, [ebp+NTFS.mftBitmapBuffer] |
492 | .failFreeBitmap: |
492 | .failFreeBitmap: |
493 | stdcall kernel_free, [ebp+NTFS.BitmapBuffer] |
493 | stdcall kernel_free, [ebp+NTFS.BitmapBuffer] |
494 | .failFreeIndex: |
494 | .failFreeIndex: |
495 | mov eax, [ebp+NTFS.cur_index_buf] |
495 | mov eax, [ebp+NTFS.cur_index_buf] |
496 | cmp eax, [ebp+NTFS.secondIndexBuffer] |
496 | cmp eax, [ebp+NTFS.secondIndexBuffer] |
497 | jc @f |
497 | jc @f |
498 | mov eax, [ebp+NTFS.secondIndexBuffer] |
498 | mov eax, [ebp+NTFS.secondIndexBuffer] |
499 | @@: |
499 | @@: |
500 | stdcall kernel_free, eax |
500 | stdcall kernel_free, eax |
501 | .fail_free_frs: |
501 | .fail_free_frs: |
502 | stdcall kernel_free, [ebp+NTFS.frs_buffer] |
502 | stdcall kernel_free, [ebp+NTFS.frs_buffer] |
503 | .fail_free: |
503 | .fail_free: |
504 | stdcall kernel_free, ebp |
504 | stdcall kernel_free, ebp |
505 | xor eax, eax |
505 | xor eax, eax |
506 | jmp .pop_exit |
506 | jmp .pop_exit |
507 | 507 | ||
508 | ntfs_free: |
508 | ntfs_free: |
509 | push ebx |
509 | push ebx |
510 | mov ebx, eax |
510 | mov ebx, eax |
511 | stdcall kernel_free, [ebx+NTFS.frs_buffer] |
511 | stdcall kernel_free, [ebx+NTFS.frs_buffer] |
512 | stdcall kernel_free, [ebx+NTFS.mftBitmapBuffer] |
512 | stdcall kernel_free, [ebx+NTFS.mftBitmapBuffer] |
513 | stdcall kernel_free, [ebx+NTFS.BitmapBuffer] |
513 | stdcall kernel_free, [ebx+NTFS.BitmapBuffer] |
514 | mov eax, [ebx+NTFS.cur_index_buf] |
514 | mov eax, [ebx+NTFS.cur_index_buf] |
515 | cmp eax, [ebx+NTFS.secondIndexBuffer] |
515 | cmp eax, [ebx+NTFS.secondIndexBuffer] |
516 | jc @f |
516 | jc @f |
517 | mov eax, [ebx+NTFS.secondIndexBuffer] |
517 | mov eax, [ebx+NTFS.secondIndexBuffer] |
518 | @@: |
518 | @@: |
519 | stdcall kernel_free, eax |
519 | stdcall kernel_free, eax |
520 | stdcall kernel_free, ebx |
520 | stdcall kernel_free, ebx |
521 | pop ebx |
521 | pop ebx |
522 | ret |
522 | ret |
523 | 523 | ||
524 | ntfs_lock: |
524 | ntfs_lock: |
525 | lea ecx, [ebp+NTFS.Lock] |
525 | lea ecx, [ebp+NTFS.Lock] |
526 | jmp mutex_lock |
526 | jmp mutex_lock |
527 | 527 | ||
528 | ntfs_unlock: |
528 | ntfs_unlock: |
529 | lea ecx, [ebp+NTFS.Lock] |
529 | lea ecx, [ebp+NTFS.Lock] |
530 | jmp mutex_unlock |
530 | jmp mutex_unlock |
531 | 531 | ||
532 | ntfs_read_attr: |
532 | ntfs_read_attr: |
533 | ; [ebp+NTFS.bWriteAttr]=1 -> write attribute |
533 | ; [ebp+NTFS.bWriteAttr]=1 -> write attribute |
534 | ; in: |
534 | ; in: |
535 | ; [ebp+NTFS.cur_iRecord] = number of fileRecord |
535 | ; [ebp+NTFS.cur_iRecord] = number of fileRecord |
536 | ; [ebp+NTFS.cur_attr] = attribute type |
536 | ; [ebp+NTFS.cur_attr] = attribute type |
537 | ; [ebp+NTFS.cur_offs] = attribute VCN in sectors |
537 | ; [ebp+NTFS.cur_offs] = attribute VCN in sectors |
538 | ; [ebp+NTFS.cur_buf] -> buffer for data |
538 | ; [ebp+NTFS.cur_buf] -> buffer for data |
539 | ; [ebp+NTFS.cur_size] = max sectors to read |
539 | ; [ebp+NTFS.cur_size] = max sectors to read |
540 | ; out: |
540 | ; out: |
541 | ; [ebp+NTFS.cur_read] = bytes readen |
541 | ; [ebp+NTFS.cur_read] = bytes readen |
542 | ; CF=1 -> failed, eax = disk error code, eax=0 -> something with FS |
542 | ; CF=1 -> failed, eax = disk error code, eax=0 -> something with FS |
543 | xor eax, eax |
543 | xor eax, eax |
544 | pushad |
544 | pushad |
545 | and [ebp+NTFS.cur_read], 0 |
545 | and [ebp+NTFS.cur_read], 0 |
546 | cmp [ebp+NTFS.cur_iRecord], 0 |
546 | cmp [ebp+NTFS.cur_iRecord], 0 |
547 | jnz .nomft |
547 | jnz .nomft |
548 | cmp [ebp+NTFS.cur_attr], 0x80 |
548 | cmp [ebp+NTFS.cur_attr], 0x80 |
549 | jnz .nomft |
549 | jnz .nomft |
550 | ; precalculated part of $Mft $DATA |
550 | ; precalculated part of $Mft $DATA |
551 | mov eax, [ebp+NTFS.cur_offs] |
551 | mov eax, [ebp+NTFS.cur_offs] |
552 | xor edx, edx |
552 | xor edx, edx |
553 | div [ebp+NTFS.sectors_per_cluster] |
553 | div [ebp+NTFS.sectors_per_cluster] |
554 | mov ebx, edx |
554 | mov ebx, edx |
555 | mov [ebp+NTFS.fragmentCount], 0 |
555 | mov [ebp+NTFS.fragmentCount], 0 |
556 | ; eax = VCN, ebx = offset in sectors from beginning of cluster |
556 | ; eax = VCN, ebx = offset in sectors from beginning of cluster |
557 | lea esi, [ebp+NTFS.mft_retrieval] |
557 | lea esi, [ebp+NTFS.mft_retrieval] |
558 | sub esi, 8 |
558 | sub esi, 8 |
559 | .mftscan: |
559 | .mftscan: |
560 | add esi, 8 |
560 | add esi, 8 |
561 | cmp esi, [ebp+NTFS.mft_retrieval_end] |
561 | cmp esi, [ebp+NTFS.mft_retrieval_end] |
562 | jz .nomft |
562 | jz .nomft |
563 | mov ecx, [esi+4] |
563 | mov ecx, [esi+4] |
564 | sub eax, [esi] |
564 | sub eax, [esi] |
565 | jnc .mftscan |
565 | jnc .mftscan |
566 | add ecx, eax |
566 | add ecx, eax |
567 | add ecx, [esi] |
567 | add ecx, [esi] |
568 | neg eax |
568 | neg eax |
569 | mul [ebp+NTFS.sectors_per_cluster] |
569 | mul [ebp+NTFS.sectors_per_cluster] |
570 | xchg eax, ecx |
570 | xchg eax, ecx |
571 | mul [ebp+NTFS.sectors_per_cluster] |
571 | mul [ebp+NTFS.sectors_per_cluster] |
572 | sub ecx, ebx |
572 | sub ecx, ebx |
573 | add eax, ebx |
573 | add eax, ebx |
574 | mov ebx, [ebp+NTFS.cur_buf] |
574 | mov ebx, [ebp+NTFS.cur_buf] |
575 | cmp ecx, [ebp+NTFS.cur_size] |
575 | cmp ecx, [ebp+NTFS.cur_size] |
576 | jb @f |
576 | jb @f |
577 | mov ecx, [ebp+NTFS.cur_size] |
577 | mov ecx, [ebp+NTFS.cur_size] |
578 | @@: |
578 | @@: |
579 | mov [ebp+NTFS.LastRead], eax |
579 | mov [ebp+NTFS.LastRead], eax |
580 | mov edi, ecx |
580 | mov edi, ecx |
581 | call fs_read64_sys |
581 | call fs_read64_sys |
582 | test eax, eax |
582 | test eax, eax |
583 | jnz .errret |
583 | jnz .errret |
584 | sub [ebp+NTFS.cur_size], edi |
584 | sub [ebp+NTFS.cur_size], edi |
585 | add [ebp+NTFS.cur_offs], edi |
585 | add [ebp+NTFS.cur_offs], edi |
586 | shl edi, 9 |
586 | shl edi, 9 |
587 | add [ebp+NTFS.cur_read], edi |
587 | add [ebp+NTFS.cur_read], edi |
588 | add [ebp+NTFS.cur_buf], edi |
588 | add [ebp+NTFS.cur_buf], edi |
589 | inc [ebp+NTFS.fragmentCount] |
589 | inc [ebp+NTFS.fragmentCount] |
590 | xor eax, eax |
590 | xor eax, eax |
591 | xor ebx, ebx |
591 | xor ebx, ebx |
592 | cmp [ebp+NTFS.cur_size], eax |
592 | cmp [ebp+NTFS.cur_size], eax |
593 | jz @f |
593 | jz @f |
594 | jmp .mftscan |
594 | jmp .mftscan |
595 | 595 | ||
596 | .errret2_pop: |
596 | .errret2_pop: |
597 | xor eax, eax |
597 | xor eax, eax |
598 | .errret_pop: |
598 | .errret_pop: |
599 | pop ecx |
599 | pop ecx |
600 | pop ecx |
600 | pop ecx |
601 | .errret: |
601 | .errret: |
602 | mov [esp+28], eax |
602 | mov [esp+28], eax |
603 | stc |
603 | stc |
604 | @@: |
604 | @@: |
605 | popad |
605 | popad |
606 | ret |
606 | ret |
607 | 607 | ||
608 | .nomft: |
608 | .nomft: |
609 | ; 1. Read file record. |
609 | ; 1. Read file record. |
610 | ; N.B. This will do recursive call of read_attr for $MFT::$Data. |
610 | ; N.B. This will do recursive call of read_attr for $MFT::$Data. |
611 | mov eax, [ebp+NTFS.cur_iRecord] |
611 | mov eax, [ebp+NTFS.cur_iRecord] |
612 | and [ebp+NTFS.attr_list], 0 |
612 | and [ebp+NTFS.attr_list], 0 |
613 | or dword [ebp+NTFS.attr_size+4], -1 |
613 | or dword [ebp+NTFS.attr_size+4], -1 |
614 | or [ebp+NTFS.attr_iBaseRecord], -1 |
614 | or [ebp+NTFS.attr_iBaseRecord], -1 |
615 | call ntfs_read_file_record |
615 | call ntfs_read_file_record |
616 | jc .errret |
616 | jc .errret |
617 | ; 2. Find required attribute. |
617 | ; 2. Find required attribute. |
618 | mov eax, [ebp+NTFS.frs_buffer] |
618 | mov eax, [ebp+NTFS.frs_buffer] |
619 | ; a) For auxiliary records, read base record. |
619 | ; a) For auxiliary records, read base record. |
620 | ; If base record is present, base iRecord may be 0 (for $Mft), |
620 | ; If base record is present, base iRecord may be 0 (for $Mft), |
621 | ; but SequenceNumber is nonzero. |
621 | ; but SequenceNumber is nonzero. |
622 | cmp word [eax+baseRecordReuse], 0 |
622 | cmp word [eax+baseRecordReuse], 0 |
623 | jz @f |
623 | jz @f |
624 | mov eax, [eax+baseRecordReference] |
624 | mov eax, [eax+baseRecordReference] |
625 | .beginfindattr: |
625 | .beginfindattr: |
626 | call ntfs_read_file_record |
626 | call ntfs_read_file_record |
627 | jc .errret |
627 | jc .errret |
628 | jmp @f |
628 | jmp @f |
629 | 629 | ||
630 | .newAttribute: |
630 | .newAttribute: |
631 | pushad |
631 | pushad |
632 | and [ebp+NTFS.cur_read], 0 |
632 | and [ebp+NTFS.cur_read], 0 |
633 | @@: |
633 | @@: |
634 | ; b) Scan for required attribute and for $ATTR_LIST |
634 | ; b) Scan for required attribute and for $ATTR_LIST |
635 | mov eax, [ebp+NTFS.frs_buffer] |
635 | mov eax, [ebp+NTFS.frs_buffer] |
636 | movzx ecx, word [eax+attributeOffset] |
636 | movzx ecx, word [eax+attributeOffset] |
637 | add eax, ecx |
637 | add eax, ecx |
638 | mov ecx, [ebp+NTFS.cur_attr] |
638 | mov ecx, [ebp+NTFS.cur_attr] |
639 | and [ebp+NTFS.attr_offs], 0 |
639 | and [ebp+NTFS.attr_offs], 0 |
640 | .scanattr: |
640 | .scanattr: |
641 | cmp dword [eax], -1 |
641 | cmp dword [eax], -1 |
642 | jz .scandone |
642 | jz .scandone |
643 | cmp dword [eax], ecx |
643 | cmp dword [eax], ecx |
644 | jz .okattr |
644 | jz .okattr |
645 | cmp [ebp+NTFS.attr_iBaseRecord], -1 |
645 | cmp [ebp+NTFS.attr_iBaseRecord], -1 |
646 | jnz .scancont |
646 | jnz .scancont |
647 | cmp dword [eax], 0x20 ; $ATTR_LIST |
647 | cmp dword [eax], 0x20 ; $ATTR_LIST |
648 | jnz .scancont |
648 | jnz .scancont |
649 | mov [ebp+NTFS.attr_list], eax |
649 | mov [ebp+NTFS.attr_list], eax |
650 | jmp .scancont |
650 | jmp .scancont |
651 | 651 | ||
652 | .okattr: |
652 | .okattr: |
653 | ; ignore named $DATA attributes (aka NTFS streams) |
653 | ; ignore named $DATA attributes (aka NTFS streams) |
654 | cmp ecx, 0x80 |
654 | cmp ecx, 0x80 |
655 | jnz @f |
655 | jnz @f |
656 | cmp byte [eax+nameLength], 0 |
656 | cmp byte [eax+nameLength], 0 |
657 | jnz .scancont |
657 | jnz .scancont |
658 | @@: |
658 | @@: |
659 | mov [ebp+NTFS.attr_offs], eax |
659 | mov [ebp+NTFS.attr_offs], eax |
660 | .scancont: |
660 | .scancont: |
661 | add eax, [eax+sizeWithHeader] |
661 | add eax, [eax+sizeWithHeader] |
662 | jmp .scanattr |
662 | jmp .scanattr |
663 | 663 | ||
664 | .continue: |
664 | .continue: |
665 | pushad |
665 | pushad |
666 | and [ebp+NTFS.cur_read], 0 |
666 | and [ebp+NTFS.cur_read], 0 |
667 | .scandone: |
667 | .scandone: |
668 | ; c) Check for required offset and length |
668 | ; c) Check for required offset and length |
669 | mov ecx, [ebp+NTFS.attr_offs] |
669 | mov ecx, [ebp+NTFS.attr_offs] |
670 | jecxz .noattr |
670 | jecxz .noattr |
671 | push [ebp+NTFS.cur_size] |
671 | push [ebp+NTFS.cur_size] |
672 | push [ebp+NTFS.cur_read] |
672 | push [ebp+NTFS.cur_read] |
673 | call .doreadattr |
673 | call .doreadattr |
674 | pop edx |
674 | pop edx |
675 | pop ecx |
675 | pop ecx |
676 | jc .ret |
676 | jc .ret |
677 | cmp [ebp+NTFS.bCanContinue], 0 |
677 | cmp [ebp+NTFS.bCanContinue], 0 |
678 | jz .ret |
678 | jz .ret |
679 | sub edx, [ebp+NTFS.cur_read] |
679 | sub edx, [ebp+NTFS.cur_read] |
680 | neg edx |
680 | neg edx |
681 | shr edx, 9 |
681 | shr edx, 9 |
682 | sub ecx, edx |
682 | sub ecx, edx |
683 | mov [ebp+NTFS.cur_size], ecx |
683 | mov [ebp+NTFS.cur_size], ecx |
684 | jz .ret |
684 | jz .ret |
685 | .noattr: |
685 | .noattr: |
686 | cmp [ebp+NTFS.cur_attr], 0x20 |
686 | cmp [ebp+NTFS.cur_attr], 0x20 |
687 | jz @f |
687 | jz @f |
688 | mov ecx, [ebp+NTFS.attr_list] |
688 | mov ecx, [ebp+NTFS.attr_list] |
689 | test ecx, ecx |
689 | test ecx, ecx |
690 | jnz .lookattr |
690 | jnz .lookattr |
691 | and dword [esp+28], 0 |
691 | and dword [esp+28], 0 |
692 | cmp [ebp+NTFS.attr_offs], 1 ; define CF |
692 | cmp [ebp+NTFS.attr_offs], 1 ; define CF |
693 | .ret: |
693 | .ret: |
694 | popad |
694 | popad |
695 | ret |
695 | ret |
696 | 696 | ||
697 | .lookattr: |
697 | .lookattr: |
698 | ; required attribute or required offset was not found in base record; |
698 | ; required attribute or required offset was not found in base record; |
699 | ; it may be present in auxiliary records; |
699 | ; it may be present in auxiliary records; |
700 | ; scan $ATTR_LIST |
700 | ; scan $ATTR_LIST |
701 | mov eax, [ebp+NTFS.attr_iBaseRecord] |
701 | mov eax, [ebp+NTFS.attr_iBaseRecord] |
702 | cmp eax, -1 |
702 | cmp eax, -1 |
703 | jz @f |
703 | jz @f |
704 | call ntfs_read_file_record |
704 | call ntfs_read_file_record |
705 | jc .errret |
705 | jc .errret |
706 | or [ebp+NTFS.attr_iBaseRecord], -1 |
706 | or [ebp+NTFS.attr_iBaseRecord], -1 |
707 | @@: |
707 | @@: |
708 | push [ebp+NTFS.cur_offs] |
708 | push [ebp+NTFS.cur_offs] |
709 | push [ebp+NTFS.cur_size] |
709 | push [ebp+NTFS.cur_size] |
710 | push [ebp+NTFS.cur_read] |
710 | push [ebp+NTFS.cur_read] |
711 | push [ebp+NTFS.cur_buf] |
711 | push [ebp+NTFS.cur_buf] |
712 | push dword [ebp+NTFS.attr_size] |
712 | push dword [ebp+NTFS.attr_size] |
713 | push dword [ebp+NTFS.attr_size+4] |
713 | push dword [ebp+NTFS.attr_size+4] |
714 | or dword [ebp+NTFS.attr_size+4], -1 |
714 | or dword [ebp+NTFS.attr_size+4], -1 |
715 | and [ebp+NTFS.cur_offs], 0 |
715 | and [ebp+NTFS.cur_offs], 0 |
716 | mov [ebp+NTFS.cur_size], 2 |
716 | mov [ebp+NTFS.cur_size], 2 |
717 | and [ebp+NTFS.cur_read], 0 |
717 | and [ebp+NTFS.cur_read], 0 |
718 | lea eax, [ebp+NTFS.attrlist_buf] |
718 | lea eax, [ebp+NTFS.attrlist_buf] |
719 | cmp [ebp+NTFS.cur_iRecord], 0 |
719 | cmp [ebp+NTFS.cur_iRecord], 0 |
720 | jnz @f |
720 | jnz @f |
721 | lea eax, [ebp+NTFS.attrlist_mft_buf] |
721 | lea eax, [ebp+NTFS.attrlist_mft_buf] |
722 | @@: |
722 | @@: |
723 | mov [ebp+NTFS.cur_buf], eax |
723 | mov [ebp+NTFS.cur_buf], eax |
724 | push eax |
724 | push eax |
725 | call .doreadattr |
725 | call .doreadattr |
726 | pop esi |
726 | pop esi |
727 | mov edx, 1 |
727 | mov edx, 1 |
728 | pop dword [ebp+NTFS.attr_size+4] |
728 | pop dword [ebp+NTFS.attr_size+4] |
729 | pop dword [ebp+NTFS.attr_size] |
729 | pop dword [ebp+NTFS.attr_size] |
730 | mov ecx, [ebp+NTFS.cur_read] |
730 | mov ecx, [ebp+NTFS.cur_read] |
731 | pop [ebp+NTFS.cur_buf] |
731 | pop [ebp+NTFS.cur_buf] |
732 | pop [ebp+NTFS.cur_read] |
732 | pop [ebp+NTFS.cur_read] |
733 | pop [ebp+NTFS.cur_size] |
733 | pop [ebp+NTFS.cur_size] |
734 | pop [ebp+NTFS.cur_offs] |
734 | pop [ebp+NTFS.cur_offs] |
735 | jc .errret |
735 | jc .errret |
736 | or edi, -1 |
736 | or edi, -1 |
737 | lea ecx, [ecx+esi-1Ah] |
737 | lea ecx, [ecx+esi-1Ah] |
738 | .scanliststart: |
738 | .scanliststart: |
739 | push ecx |
739 | push ecx |
740 | mov eax, [ebp+NTFS.cur_attr] |
740 | mov eax, [ebp+NTFS.cur_attr] |
741 | .scanlist: |
741 | .scanlist: |
742 | cmp esi, [esp] |
742 | cmp esi, [esp] |
743 | jae .scanlistdone |
743 | jae .scanlistdone |
744 | cmp eax, [esi] |
744 | cmp eax, [esi] |
745 | jz @f |
745 | jz @f |
746 | .scanlistcont: |
746 | .scanlistcont: |
747 | movzx ecx, word [esi+4] |
747 | movzx ecx, word [esi+4] |
748 | add esi, ecx |
748 | add esi, ecx |
749 | jmp .scanlist |
749 | jmp .scanlist |
750 | 750 | ||
751 | @@: |
751 | @@: |
752 | ; ignore named $DATA attributes (aka NTFS streams) |
752 | ; ignore named $DATA attributes (aka NTFS streams) |
753 | cmp eax, 0x80 |
753 | cmp eax, 0x80 |
754 | jnz @f |
754 | jnz @f |
755 | cmp byte [esi+6], 0 |
755 | cmp byte [esi+6], 0 |
756 | jnz .scanlistcont |
756 | jnz .scanlistcont |
757 | @@: |
757 | @@: |
758 | push eax |
758 | push eax |
759 | mov eax, [esi+8] |
759 | mov eax, [esi+8] |
760 | test eax, eax |
760 | test eax, eax |
761 | jnz .testf |
761 | jnz .testf |
762 | cmp dword [ebp+NTFS.attr_size+4], -1 |
762 | cmp dword [ebp+NTFS.attr_size+4], -1 |
763 | jnz .testfz |
763 | jnz .testfz |
764 | ; if attribute is in auxiliary records, its size is defined only in first |
764 | ; if attribute is in auxiliary records, its size is defined only in first |
765 | mov eax, [esi+10h] |
765 | mov eax, [esi+10h] |
766 | call ntfs_read_file_record |
766 | call ntfs_read_file_record |
767 | jc .errret_pop |
767 | jc .errret_pop |
768 | mov eax, [ebp+NTFS.frs_buffer] |
768 | mov eax, [ebp+NTFS.frs_buffer] |
769 | movzx ecx, word [eax+14h] |
769 | movzx ecx, word [eax+14h] |
770 | add eax, ecx |
770 | add eax, ecx |
771 | mov ecx, [ebp+NTFS.cur_attr] |
771 | mov ecx, [ebp+NTFS.cur_attr] |
772 | @@: |
772 | @@: |
773 | cmp dword [eax], -1 |
773 | cmp dword [eax], -1 |
774 | jz .errret2_pop |
774 | jz .errret2_pop |
775 | cmp dword [eax], ecx |
775 | cmp dword [eax], ecx |
776 | jz @f |
776 | jz @f |
777 | .l1: |
777 | .l1: |
778 | add eax, [eax+4] |
778 | add eax, [eax+4] |
779 | jmp @b |
779 | jmp @b |
780 | 780 | ||
781 | @@: |
781 | @@: |
782 | cmp eax, 0x80 |
782 | cmp eax, 0x80 |
783 | jnz @f |
783 | jnz @f |
784 | cmp byte [eax+9], 0 |
784 | cmp byte [eax+9], 0 |
785 | jnz .l1 |
785 | jnz .l1 |
786 | @@: |
786 | @@: |
787 | cmp byte [eax+8], 0 |
787 | cmp byte [eax+8], 0 |
788 | jnz .sdnores |
788 | jnz .sdnores |
789 | mov eax, [eax+10h] |
789 | mov eax, [eax+10h] |
790 | mov dword [ebp+NTFS.attr_size], eax |
790 | mov dword [ebp+NTFS.attr_size], eax |
791 | and dword [ebp+NTFS.attr_size+4], 0 |
791 | and dword [ebp+NTFS.attr_size+4], 0 |
792 | jmp .testfz |
792 | jmp .testfz |
793 | 793 | ||
794 | .sdnores: |
794 | .sdnores: |
795 | mov ecx, [eax+30h] |
795 | mov ecx, [eax+30h] |
796 | mov dword [ebp+NTFS.attr_size], ecx |
796 | mov dword [ebp+NTFS.attr_size], ecx |
797 | mov ecx, [eax+34h] |
797 | mov ecx, [eax+34h] |
798 | mov dword [ebp+NTFS.attr_size+4], ecx |
798 | mov dword [ebp+NTFS.attr_size+4], ecx |
799 | .testfz: |
799 | .testfz: |
800 | xor eax, eax |
800 | xor eax, eax |
801 | .testf: |
801 | .testf: |
802 | imul eax, [ebp+NTFS.sectors_per_cluster] |
802 | imul eax, [ebp+NTFS.sectors_per_cluster] |
803 | cmp eax, [ebp+NTFS.cur_offs] |
803 | cmp eax, [ebp+NTFS.cur_offs] |
804 | pop eax |
804 | pop eax |
805 | ja @f |
805 | ja @f |
806 | mov edi, [esi+10h] ; keep previous iRecord |
806 | mov edi, [esi+10h] ; keep previous iRecord |
807 | jmp .scanlistcont |
807 | jmp .scanlistcont |
808 | 808 | ||
809 | @@: |
809 | @@: |
810 | pop ecx |
810 | pop ecx |
811 | .scanlistfound: |
811 | .scanlistfound: |
812 | cmp edi, -1 |
812 | cmp edi, -1 |
813 | jz .ret |
813 | jz .ret |
814 | mov eax, [ebp+NTFS.cur_iRecord] |
814 | mov eax, [ebp+NTFS.cur_iRecord] |
815 | mov [ebp+NTFS.attr_iBaseRecord], eax |
815 | mov [ebp+NTFS.attr_iBaseRecord], eax |
816 | mov eax, edi |
816 | mov eax, edi |
817 | jmp .beginfindattr |
817 | jmp .beginfindattr |
818 | 818 | ||
819 | .scanlistdone: |
819 | .scanlistdone: |
820 | pop ecx |
820 | pop ecx |
821 | sub ecx, ebp |
821 | sub ecx, ebp |
822 | sub ecx, NTFS.attrlist_buf-1Ah |
822 | sub ecx, NTFS.attrlist_buf-1Ah |
823 | cmp [ebp+NTFS.cur_iRecord], 0 |
823 | cmp [ebp+NTFS.cur_iRecord], 0 |
824 | jnz @f |
824 | jnz @f |
825 | sub ecx, NTFS.attrlist_mft_buf-NTFS.attrlist_buf |
825 | sub ecx, NTFS.attrlist_mft_buf-NTFS.attrlist_buf |
826 | @@: |
826 | @@: |
827 | cmp ecx, 0x400 |
827 | cmp ecx, 0x400 |
828 | jnz .scanlistfound |
828 | jnz .scanlistfound |
829 | inc edx |
829 | inc edx |
830 | push esi edi |
830 | push esi edi |
831 | lea esi, [ebp+NTFS.attrlist_buf+0x200] |
831 | lea esi, [ebp+NTFS.attrlist_buf+0x200] |
832 | lea edi, [ebp+NTFS.attrlist_buf] |
832 | lea edi, [ebp+NTFS.attrlist_buf] |
833 | cmp [ebp+NTFS.cur_iRecord], 0 |
833 | cmp [ebp+NTFS.cur_iRecord], 0 |
834 | jnz @f |
834 | jnz @f |
835 | lea esi, [ebp+NTFS.attrlist_mft_buf+0x200] |
835 | lea esi, [ebp+NTFS.attrlist_mft_buf+0x200] |
836 | lea edi, [ebp+NTFS.attrlist_mft_buf] |
836 | lea edi, [ebp+NTFS.attrlist_mft_buf] |
837 | @@: |
837 | @@: |
838 | mov ecx, 0x200/4 |
838 | mov ecx, 0x200/4 |
839 | rep movsd |
839 | rep movsd |
840 | mov eax, edi |
840 | mov eax, edi |
841 | pop edi esi |
841 | pop edi esi |
842 | sub esi, 0x200 |
842 | sub esi, 0x200 |
843 | push [ebp+NTFS.cur_offs] |
843 | push [ebp+NTFS.cur_offs] |
844 | push [ebp+NTFS.cur_size] |
844 | push [ebp+NTFS.cur_size] |
845 | push [ebp+NTFS.cur_read] |
845 | push [ebp+NTFS.cur_read] |
846 | push [ebp+NTFS.cur_buf] |
846 | push [ebp+NTFS.cur_buf] |
847 | push dword [ebp+NTFS.attr_size] |
847 | push dword [ebp+NTFS.attr_size] |
848 | push dword [ebp+NTFS.attr_size+4] |
848 | push dword [ebp+NTFS.attr_size+4] |
849 | or dword [ebp+NTFS.attr_size+4], -1 |
849 | or dword [ebp+NTFS.attr_size+4], -1 |
850 | mov [ebp+NTFS.cur_offs], edx |
850 | mov [ebp+NTFS.cur_offs], edx |
851 | mov [ebp+NTFS.cur_size], 1 |
851 | mov [ebp+NTFS.cur_size], 1 |
852 | and [ebp+NTFS.cur_read], 0 |
852 | and [ebp+NTFS.cur_read], 0 |
853 | mov [ebp+NTFS.cur_buf], eax |
853 | mov [ebp+NTFS.cur_buf], eax |
854 | mov ecx, [ebp+NTFS.attr_list] |
854 | mov ecx, [ebp+NTFS.attr_list] |
855 | push esi edx edi |
855 | push esi edx edi |
856 | call .doreadattr |
856 | call .doreadattr |
857 | pop edi edx esi |
857 | pop edi edx esi |
858 | mov ecx, [ebp+NTFS.cur_read] |
858 | mov ecx, [ebp+NTFS.cur_read] |
859 | pop dword [ebp+NTFS.attr_size+4] |
859 | pop dword [ebp+NTFS.attr_size+4] |
860 | pop dword [ebp+NTFS.attr_size] |
860 | pop dword [ebp+NTFS.attr_size] |
861 | pop [ebp+NTFS.cur_buf] |
861 | pop [ebp+NTFS.cur_buf] |
862 | pop [ebp+NTFS.cur_read] |
862 | pop [ebp+NTFS.cur_read] |
863 | pop [ebp+NTFS.cur_size] |
863 | pop [ebp+NTFS.cur_size] |
864 | pop [ebp+NTFS.cur_offs] |
864 | pop [ebp+NTFS.cur_offs] |
865 | jc .errret |
865 | jc .errret |
866 | lea ecx, [ecx+ebp+NTFS.attrlist_buf+0x200-0x1A] |
866 | lea ecx, [ecx+ebp+NTFS.attrlist_buf+0x200-0x1A] |
867 | cmp [ebp+NTFS.cur_iRecord], 0 |
867 | cmp [ebp+NTFS.cur_iRecord], 0 |
868 | jnz .scanliststart |
868 | jnz .scanliststart |
869 | add ecx, NTFS.attrlist_mft_buf-NTFS.attrlist_buf |
869 | add ecx, NTFS.attrlist_mft_buf-NTFS.attrlist_buf |
870 | jmp .scanliststart |
870 | jmp .scanliststart |
871 | 871 | ||
872 | .doreadattr: |
872 | .doreadattr: |
873 | mov [ebp+NTFS.bCanContinue], 0 |
873 | mov [ebp+NTFS.bCanContinue], 0 |
874 | cmp byte [ecx+nonResidentFlag], 0 |
874 | cmp byte [ecx+nonResidentFlag], 0 |
875 | jnz .nonresident |
875 | jnz .nonresident |
876 | mov eax, [ecx+sizeWithoutHeader] |
876 | mov eax, [ecx+sizeWithoutHeader] |
877 | mov esi, eax |
877 | mov esi, eax |
878 | mov edx, [ebp+NTFS.cur_offs] |
878 | mov edx, [ebp+NTFS.cur_offs] |
879 | shr eax, 9 |
879 | shr eax, 9 |
880 | cmp eax, edx |
880 | cmp eax, edx |
881 | jb .okret |
881 | jb .okret |
882 | shl edx, 9 |
882 | shl edx, 9 |
883 | sub esi, edx |
883 | sub esi, edx |
884 | movzx eax, word [ecx+attributeOffset] |
884 | movzx eax, word [ecx+attributeOffset] |
885 | add edx, eax |
885 | add edx, eax |
886 | add edx, ecx ; edx -> data |
886 | add edx, ecx ; edx -> data |
887 | mov eax, [ebp+NTFS.cur_size] |
887 | mov eax, [ebp+NTFS.cur_size] |
888 | cmp eax, (0xFFFFFFFF shr 9)+1 |
888 | cmp eax, (0xFFFFFFFF shr 9)+1 |
889 | jbe @f |
889 | jbe @f |
890 | mov eax, (0xFFFFFFFF shr 9)+1 |
890 | mov eax, (0xFFFFFFFF shr 9)+1 |
891 | @@: |
891 | @@: |
892 | shl eax, 9 |
892 | shl eax, 9 |
893 | cmp eax, esi |
893 | cmp eax, esi |
894 | jbe @f |
894 | jbe @f |
895 | mov eax, esi |
895 | mov eax, esi |
896 | @@: |
896 | @@: |
897 | ; eax = length, edx -> data |
897 | ; eax = length, edx -> data |
898 | mov [ebp+NTFS.cur_read], eax |
898 | mov [ebp+NTFS.cur_read], eax |
899 | mov ecx, eax |
899 | mov ecx, eax |
900 | mov eax, edx |
900 | mov eax, edx |
901 | mov ebx, [ebp+NTFS.cur_buf] |
901 | mov ebx, [ebp+NTFS.cur_buf] |
902 | call memmove |
902 | call memmove |
903 | and [ebp+NTFS.cur_size], 0 ; CF=0 |
903 | and [ebp+NTFS.cur_size], 0 ; CF=0 |
904 | ret |
904 | ret |
905 | 905 | ||
906 | .nonresident: |
906 | .nonresident: |
907 | ; Not all auxiliary records contain correct FileSize info |
907 | ; Not all auxiliary records contain correct FileSize info |
908 | mov eax, dword [ebp+NTFS.attr_size] |
908 | mov eax, dword [ebp+NTFS.attr_size] |
909 | mov edx, dword [ebp+NTFS.attr_size+4] |
909 | mov edx, dword [ebp+NTFS.attr_size+4] |
910 | cmp edx, -1 |
910 | cmp edx, -1 |
911 | jnz @f |
911 | jnz @f |
912 | mov eax, [ecx+attributeRealSize] |
912 | mov eax, [ecx+attributeRealSize] |
913 | mov edx, [ecx+attributeRealSize+4] |
913 | mov edx, [ecx+attributeRealSize+4] |
914 | mov dword [ebp+NTFS.attr_size], eax |
914 | mov dword [ebp+NTFS.attr_size], eax |
915 | mov dword [ebp+NTFS.attr_size+4], edx |
915 | mov dword [ebp+NTFS.attr_size+4], edx |
916 | @@: |
916 | @@: |
917 | add eax, 0x1FF |
917 | add eax, 0x1FF |
918 | adc edx, 0 |
918 | adc edx, 0 |
919 | shrd eax, edx, 9 |
919 | shrd eax, edx, 9 |
920 | sub eax, [ebp+NTFS.cur_offs] |
920 | sub eax, [ebp+NTFS.cur_offs] |
921 | ja @f |
921 | ja @f |
922 | ; return with nothing read |
922 | ; return with nothing read |
923 | and [ebp+NTFS.cur_size], 0 |
923 | and [ebp+NTFS.cur_size], 0 |
924 | .okret: |
924 | .okret: |
925 | clc |
925 | clc |
926 | ret |
926 | ret |
927 | 927 | ||
928 | @@: |
928 | @@: |
929 | ; reduce read length |
929 | ; reduce read length |
930 | and [ebp+NTFS.cur_tail], 0 |
930 | and [ebp+NTFS.cur_tail], 0 |
931 | cmp [ebp+NTFS.cur_size], eax |
931 | cmp [ebp+NTFS.cur_size], eax |
932 | jb @f |
932 | jb @f |
933 | mov [ebp+NTFS.cur_size], eax |
933 | mov [ebp+NTFS.cur_size], eax |
934 | mov eax, dword [ebp+NTFS.attr_size] |
934 | mov eax, dword [ebp+NTFS.attr_size] |
935 | and eax, 0x1FF |
935 | and eax, 0x1FF |
936 | mov [ebp+NTFS.cur_tail], eax |
936 | mov [ebp+NTFS.cur_tail], eax |
937 | @@: |
937 | @@: |
938 | mov eax, [ebp+NTFS.cur_offs] |
938 | mov eax, [ebp+NTFS.cur_offs] |
939 | xor edx, edx |
939 | xor edx, edx |
940 | div [ebp+NTFS.sectors_per_cluster] |
940 | div [ebp+NTFS.sectors_per_cluster] |
941 | sub eax, [ecx+firstVCN] |
941 | sub eax, [ecx+firstVCN] |
942 | jb .okret |
942 | jb .okret |
943 | mov ebx, edx |
943 | mov ebx, edx |
944 | ; eax = starting cluster, ebx = sector in the cluster |
944 | ; eax = starting cluster, ebx = sector in the cluster |
945 | cmp [ebp+NTFS.cur_attr], 0x80 |
945 | cmp [ebp+NTFS.cur_attr], 0x80 |
946 | jnz .sys |
946 | jnz .sys |
947 | cmp [ebp+NTFS.cur_iRecord], 0 |
947 | cmp [ebp+NTFS.cur_iRecord], 0 |
948 | jz .sys |
948 | jz .sys |
949 | push fs_read64_app |
949 | push fs_read64_app |
950 | cmp [ebp+NTFS.bWriteAttr], 1 |
950 | cmp [ebp+NTFS.bWriteAttr], 1 |
951 | jnz @f |
951 | jnz @f |
952 | mov dword[esp], fs_write64_app |
952 | mov dword[esp], fs_write64_app |
953 | jmp @f |
953 | jmp @f |
954 | 954 | ||
955 | .sys: |
955 | .sys: |
956 | push fs_read64_sys |
956 | push fs_read64_sys |
957 | @@: |
957 | @@: |
958 | sub esp, 10h |
958 | sub esp, 10h |
959 | movzx esi, word [ecx+dataRunsOffset] |
959 | movzx esi, word [ecx+dataRunsOffset] |
960 | add esi, ecx |
960 | add esi, ecx |
961 | xor edi, edi |
961 | xor edi, edi |
962 | mov [ebp+NTFS.fragmentCount], 0 |
962 | mov [ebp+NTFS.fragmentCount], 0 |
963 | .readloop: |
963 | .readloop: |
964 | call ntfs_decode_mcb_entry |
964 | call ntfs_decode_mcb_entry |
965 | jnc .break |
965 | jnc .break |
966 | add edi, [esp+8] |
966 | add edi, [esp+8] |
967 | sub eax, [esp] |
967 | sub eax, [esp] |
968 | jae .readloop |
968 | jae .readloop |
969 | mov ecx, edi |
969 | mov ecx, edi |
970 | add ecx, eax |
970 | add ecx, eax |
971 | add ecx, [esp] |
971 | add ecx, [esp] |
972 | neg eax |
972 | neg eax |
973 | mul [ebp+NTFS.sectors_per_cluster] |
973 | mul [ebp+NTFS.sectors_per_cluster] |
974 | xchg eax, ecx |
974 | xchg eax, ecx |
975 | mul [ebp+NTFS.sectors_per_cluster] |
975 | mul [ebp+NTFS.sectors_per_cluster] |
976 | sub ecx, ebx |
976 | sub ecx, ebx |
977 | add eax, ebx |
977 | add eax, ebx |
978 | mov ebx, [ebp+NTFS.cur_buf] |
978 | mov ebx, [ebp+NTFS.cur_buf] |
979 | cmp ecx, [ebp+NTFS.cur_size] |
979 | cmp ecx, [ebp+NTFS.cur_size] |
980 | jb @f |
980 | jb @f |
981 | mov ecx, [ebp+NTFS.cur_size] |
981 | mov ecx, [ebp+NTFS.cur_size] |
982 | @@: |
982 | @@: |
983 | mov [ebp+NTFS.LastRead], eax |
983 | mov [ebp+NTFS.LastRead], eax |
984 | push ecx |
984 | push ecx |
985 | call dword[esp+14h] |
985 | call dword[esp+14h] |
986 | pop ecx |
986 | pop ecx |
987 | test eax, eax |
987 | test eax, eax |
988 | jnz .errread2 |
988 | jnz .errread2 |
989 | sub [ebp+NTFS.cur_size], ecx |
989 | sub [ebp+NTFS.cur_size], ecx |
990 | add [ebp+NTFS.cur_offs], ecx |
990 | add [ebp+NTFS.cur_offs], ecx |
991 | shl ecx, 9 |
991 | shl ecx, 9 |
992 | add [ebp+NTFS.cur_read], ecx |
992 | add [ebp+NTFS.cur_read], ecx |
993 | add [ebp+NTFS.cur_buf], ecx |
993 | add [ebp+NTFS.cur_buf], ecx |
994 | inc [ebp+NTFS.fragmentCount] |
994 | inc [ebp+NTFS.fragmentCount] |
995 | xor eax, eax |
995 | xor eax, eax |
996 | xor ebx, ebx |
996 | xor ebx, ebx |
997 | cmp [ebp+NTFS.cur_size], 0 |
997 | cmp [ebp+NTFS.cur_size], 0 |
998 | jnz .readloop |
998 | jnz .readloop |
999 | add esp, 14h |
999 | add esp, 14h |
1000 | mov eax, [ebp+NTFS.cur_tail] |
1000 | mov eax, [ebp+NTFS.cur_tail] |
1001 | test eax, eax |
1001 | test eax, eax |
1002 | jz @f |
1002 | jz @f |
1003 | sub eax, 0x200 |
1003 | sub eax, 0x200 |
1004 | add [ebp+NTFS.cur_read], eax |
1004 | add [ebp+NTFS.cur_read], eax |
1005 | @@: |
1005 | @@: |
1006 | clc |
1006 | clc |
1007 | ret |
1007 | ret |
1008 | 1008 | ||
1009 | .errread2: |
1009 | .errread2: |
1010 | add esp, 14h |
1010 | add esp, 14h |
1011 | stc |
1011 | stc |
1012 | ret |
1012 | ret |
1013 | 1013 | ||
1014 | .break: |
1014 | .break: |
1015 | add esp, 14h ; CF=0 |
1015 | add esp, 14h ; CF=0 |
1016 | mov [ebp+NTFS.bCanContinue], 1 |
1016 | mov [ebp+NTFS.bCanContinue], 1 |
1017 | ret |
1017 | ret |
1018 | 1018 | ||
1019 | ntfs_read_file_record: |
1019 | ntfs_read_file_record: |
1020 | ; in: eax = iRecord |
1020 | ; in: eax = iRecord |
1021 | ; out: [ebp+NTFS.frs_buffer] -> file record |
1021 | ; out: [ebp+NTFS.frs_buffer] -> file record |
1022 | ; CF=1 -> failed, eax = disk error code, eax=0 -> something with FS |
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] |
1023 | ; Read attr $DATA of $Mft, starting from eax*[ebp+NTFS.frs_size] |
1024 | push ecx edx |
1024 | push ecx edx |
1025 | mov ecx, [ebp+NTFS.frs_size] |
1025 | mov ecx, [ebp+NTFS.frs_size] |
1026 | mul ecx |
1026 | mul ecx |
1027 | shrd eax, edx, 9 |
1027 | shrd eax, edx, 9 |
1028 | shr edx, 9 |
1028 | shr edx, 9 |
1029 | jnz .errret |
1029 | jnz .errret |
1030 | push [ebp+NTFS.attr_iBaseRecord] |
1030 | push [ebp+NTFS.attr_iBaseRecord] |
1031 | push [ebp+NTFS.attr_offs] |
1031 | push [ebp+NTFS.attr_offs] |
1032 | push [ebp+NTFS.attr_list] |
1032 | push [ebp+NTFS.attr_list] |
1033 | push dword [ebp+NTFS.attr_size+4] |
1033 | push dword [ebp+NTFS.attr_size+4] |
1034 | push dword [ebp+NTFS.attr_size] |
1034 | push dword [ebp+NTFS.attr_size] |
1035 | push [ebp+NTFS.cur_iRecord] |
1035 | push [ebp+NTFS.cur_iRecord] |
1036 | push [ebp+NTFS.cur_attr] |
1036 | push [ebp+NTFS.cur_attr] |
1037 | push [ebp+NTFS.cur_offs] |
1037 | push [ebp+NTFS.cur_offs] |
1038 | push [ebp+NTFS.cur_size] |
1038 | push [ebp+NTFS.cur_size] |
1039 | push [ebp+NTFS.cur_buf] |
1039 | push [ebp+NTFS.cur_buf] |
1040 | push [ebp+NTFS.cur_read] |
1040 | push [ebp+NTFS.cur_read] |
1041 | mov [ebp+NTFS.cur_attr], 0x80 ; $DATA |
1041 | mov [ebp+NTFS.cur_attr], 0x80 ; $DATA |
1042 | and [ebp+NTFS.cur_iRecord], 0 ; $Mft |
1042 | and [ebp+NTFS.cur_iRecord], 0 ; $Mft |
1043 | mov [ebp+NTFS.cur_offs], eax |
1043 | mov [ebp+NTFS.cur_offs], eax |
1044 | shr ecx, 9 |
1044 | shr ecx, 9 |
1045 | mov [ebp+NTFS.cur_size], ecx |
1045 | mov [ebp+NTFS.cur_size], ecx |
1046 | mov eax, [ebp+NTFS.frs_buffer] |
1046 | mov eax, [ebp+NTFS.frs_buffer] |
1047 | mov [ebp+NTFS.cur_buf], eax |
1047 | mov [ebp+NTFS.cur_buf], eax |
1048 | call ntfs_read_attr |
1048 | call ntfs_read_attr |
1049 | mov edx, [ebp+NTFS.cur_read] |
1049 | mov edx, [ebp+NTFS.cur_read] |
1050 | pop [ebp+NTFS.cur_read] |
1050 | pop [ebp+NTFS.cur_read] |
1051 | pop [ebp+NTFS.cur_buf] |
1051 | pop [ebp+NTFS.cur_buf] |
1052 | pop [ebp+NTFS.cur_size] |
1052 | pop [ebp+NTFS.cur_size] |
1053 | pop [ebp+NTFS.cur_offs] |
1053 | pop [ebp+NTFS.cur_offs] |
1054 | pop [ebp+NTFS.cur_attr] |
1054 | pop [ebp+NTFS.cur_attr] |
1055 | pop [ebp+NTFS.cur_iRecord] |
1055 | pop [ebp+NTFS.cur_iRecord] |
1056 | pop dword [ebp+NTFS.attr_size] |
1056 | pop dword [ebp+NTFS.attr_size] |
1057 | pop dword [ebp+NTFS.attr_size+4] |
1057 | pop dword [ebp+NTFS.attr_size+4] |
1058 | pop [ebp+NTFS.attr_list] |
1058 | pop [ebp+NTFS.attr_list] |
1059 | pop [ebp+NTFS.attr_offs] |
1059 | pop [ebp+NTFS.attr_offs] |
1060 | pop [ebp+NTFS.attr_iBaseRecord] |
1060 | pop [ebp+NTFS.attr_iBaseRecord] |
1061 | jc .ret |
1061 | jc .ret |
1062 | cmp edx, [ebp+NTFS.frs_size] |
1062 | cmp edx, [ebp+NTFS.frs_size] |
1063 | jnz .errret |
1063 | jnz .errret |
1064 | mov eax, [ebp+NTFS.LastRead] |
1064 | mov eax, [ebp+NTFS.LastRead] |
1065 | mov [ebp+NTFS.mftLastRead], eax |
1065 | mov [ebp+NTFS.mftLastRead], eax |
1066 | mov eax, [ebp+NTFS.frs_buffer] |
1066 | mov eax, [ebp+NTFS.frs_buffer] |
1067 | cmp dword [eax], 'FILE' |
1067 | cmp dword [eax], 'FILE' |
1068 | jnz .errret |
1068 | jnz .errret |
1069 | push ebx |
1069 | push ebx |
1070 | mov ebx, eax |
1070 | mov ebx, eax |
1071 | call ntfs_restore_usa_frs |
1071 | call ntfs_restore_usa_frs |
1072 | pop ebx |
1072 | pop ebx |
1073 | jc .errret |
1073 | jc .errret |
1074 | .ret: |
1074 | .ret: |
1075 | pop edx ecx |
1075 | pop edx ecx |
1076 | ret |
1076 | ret |
1077 | 1077 | ||
1078 | .errret: |
1078 | .errret: |
1079 | pop edx ecx |
1079 | pop edx ecx |
1080 | xor eax, eax |
1080 | xor eax, eax |
1081 | stc |
1081 | stc |
1082 | ret |
1082 | ret |
1083 | 1083 | ||
1084 | ntfs_restore_usa_frs: |
1084 | ntfs_restore_usa_frs: |
1085 | mov eax, [ebp+NTFS.frs_size] |
1085 | mov eax, [ebp+NTFS.frs_size] |
1086 | ntfs_restore_usa: |
1086 | ntfs_restore_usa: |
1087 | ; in: |
1087 | ; in: |
1088 | ; ebx -> record |
1088 | ; ebx -> record |
1089 | ; eax = size in bytes |
1089 | ; eax = size in bytes |
1090 | pushad |
1090 | pushad |
1091 | shr eax, 9 |
1091 | shr eax, 9 |
1092 | mov ecx, eax |
1092 | mov ecx, eax |
1093 | inc eax |
1093 | inc eax |
1094 | cmp [ebx+updateSequenceSize], ax |
1094 | cmp [ebx+updateSequenceSize], ax |
1095 | jnz .err |
1095 | jnz .err |
1096 | movzx eax, word [ebx+updateSequenceOffset] |
1096 | movzx eax, word [ebx+updateSequenceOffset] |
1097 | lea esi, [eax+ebx] |
1097 | lea esi, [eax+ebx] |
1098 | lodsw |
1098 | lodsw |
1099 | mov edx, eax |
1099 | mov edx, eax |
1100 | lea edi, [ebx+0x1FE] |
1100 | lea edi, [ebx+0x1FE] |
1101 | @@: |
1101 | @@: |
1102 | cmp [edi], dx |
1102 | cmp [edi], dx |
1103 | jnz .err |
1103 | jnz .err |
1104 | lodsw |
1104 | lodsw |
1105 | stosw |
1105 | stosw |
1106 | add edi, 0x1FE |
1106 | add edi, 0x1FE |
1107 | loop @b |
1107 | loop @b |
1108 | popad |
1108 | popad |
1109 | clc |
1109 | clc |
1110 | ret |
1110 | ret |
1111 | 1111 | ||
1112 | .err: |
1112 | .err: |
1113 | popad |
1113 | popad |
1114 | stc |
1114 | stc |
1115 | ret |
1115 | ret |
1116 | 1116 | ||
1117 | ntfs_decode_mcb_entry: |
1117 | ntfs_decode_mcb_entry: |
1118 | ; in: |
1118 | ; in: |
1119 | ; esi -> MCB entry |
1119 | ; esi -> MCB entry |
1120 | ; esp -> buffer (16 bytes) |
1120 | ; esp -> buffer (16 bytes) |
1121 | ; out: |
1121 | ; out: |
1122 | ; esi -> next MCB entry |
1122 | ; esi -> next MCB entry |
1123 | ; esp -> data run size |
1123 | ; esp -> data run size |
1124 | ; esp+8 -> cluster (delta) |
1124 | ; esp+8 -> cluster (delta) |
1125 | ; CF=0 -> MCB end |
1125 | ; CF=0 -> MCB end |
1126 | push eax ecx edi |
1126 | push eax ecx edi |
1127 | lea edi, [esp+16] |
1127 | lea edi, [esp+16] |
1128 | xor eax, eax |
1128 | xor eax, eax |
1129 | lodsb |
1129 | lodsb |
1130 | test al, al |
1130 | test al, al |
1131 | jz .end |
1131 | jz .end |
1132 | mov ecx, eax |
1132 | mov ecx, eax |
1133 | and ecx, 0xF |
1133 | and ecx, 0xF |
1134 | cmp ecx, 8 |
1134 | cmp ecx, 8 |
1135 | ja .end |
1135 | ja .end |
1136 | push ecx |
1136 | push ecx |
1137 | rep movsb |
1137 | rep movsb |
1138 | pop ecx |
1138 | pop ecx |
1139 | sub ecx, 8 |
1139 | sub ecx, 8 |
1140 | neg ecx |
1140 | neg ecx |
1141 | cmp byte [esi-1], 80h |
1141 | cmp byte [esi-1], 80h |
1142 | jae .end |
1142 | jae .end |
1143 | push eax |
1143 | push eax |
1144 | xor eax, eax |
1144 | xor eax, eax |
1145 | rep stosb |
1145 | rep stosb |
1146 | pop ecx |
1146 | pop ecx |
1147 | shr ecx, 4 |
1147 | shr ecx, 4 |
1148 | cmp ecx, 8 |
1148 | cmp ecx, 8 |
1149 | ja .end |
1149 | ja .end |
1150 | push ecx |
1150 | push ecx |
1151 | rep movsb |
1151 | rep movsb |
1152 | pop ecx |
1152 | pop ecx |
1153 | sub ecx, 8 |
1153 | sub ecx, 8 |
1154 | neg ecx |
1154 | neg ecx |
1155 | cmp byte [esi-1], 80h |
1155 | cmp byte [esi-1], 80h |
1156 | cmc |
1156 | cmc |
1157 | sbb eax, eax |
1157 | sbb eax, eax |
1158 | rep stosb |
1158 | rep stosb |
1159 | stc |
1159 | stc |
1160 | .end: |
1160 | .end: |
1161 | pop edi ecx eax |
1161 | pop edi ecx eax |
1162 | ret |
1162 | ret |
1163 | 1163 | ||
1164 | ntfs_find_lfn: |
1164 | ntfs_find_lfn: |
1165 | ; in: esi -> path string in UTF-8 |
1165 | ; in: esi -> path string in UTF-8 |
1166 | ; out: |
1166 | ; out: |
1167 | ; [ebp+NTFS.cur_iRecord] = target fileRecord |
1167 | ; [ebp+NTFS.cur_iRecord] = target fileRecord |
1168 | ; eax -> target index in the node |
1168 | ; eax -> target index in the node |
1169 | ; [ebp+NTFS.LastRead] = target node location |
1169 | ; [ebp+NTFS.LastRead] = target node location |
1170 | ; [ebp+NTFS.indexPointer] -> index, that points the target subnode |
1170 | ; [ebp+NTFS.indexPointer] -> index, that points the target subnode |
1171 | ; [ebp+NTFS.nodeLastRead] = branch node location |
1171 | ; [ebp+NTFS.nodeLastRead] = branch node location |
1172 | ; [ebp+NTFS.indexRoot] -> attribute |
1172 | ; [ebp+NTFS.indexRoot] -> attribute |
1173 | ; [ebp+NTFS.rootLastRead] = directory fileRecord location |
1173 | ; [ebp+NTFS.rootLastRead] = directory fileRecord location |
1174 | ; [ebp+NTFS.cur_size] = index record size in sectors |
1174 | ; [ebp+NTFS.cur_size] = index record size in sectors |
1175 | ; [ebp+NTFS.cur_subnode_size] = index record size in clusters or sectors |
1175 | ; [ebp+NTFS.cur_subnode_size] = index record size in clusters or sectors |
1176 | ; CF=1 -> file not found, eax=0 -> error |
1176 | ; CF=1 -> file not found, eax=0 -> error |
1177 | mov [ebp+NTFS.cur_iRecord], 5 ; start from root directory |
1177 | mov [ebp+NTFS.cur_iRecord], 5 ; start from root directory |
1178 | .doit2: |
1178 | .doit2: |
1179 | mov [ebp+NTFS.cur_attr], 0x90 ; $INDEX_ROOT |
1179 | mov [ebp+NTFS.cur_attr], 0x90 ; $INDEX_ROOT |
1180 | and [ebp+NTFS.cur_offs], 0 |
1180 | and [ebp+NTFS.cur_offs], 0 |
1181 | mov eax, [ebp+NTFS.cur_index_size] |
1181 | mov eax, [ebp+NTFS.cur_index_size] |
1182 | mov [ebp+NTFS.cur_size], eax |
1182 | mov [ebp+NTFS.cur_size], eax |
1183 | mov eax, [ebp+NTFS.cur_index_buf] |
1183 | mov eax, [ebp+NTFS.cur_index_buf] |
1184 | mov [ebp+NTFS.cur_buf], eax |
1184 | mov [ebp+NTFS.cur_buf], eax |
1185 | call ntfs_read_attr |
1185 | call ntfs_read_attr |
1186 | mov eax, 0 |
1186 | mov eax, 0 |
1187 | jc .ret |
1187 | jc .ret |
1188 | cmp [ebp+NTFS.cur_read], 0x20 |
1188 | cmp [ebp+NTFS.cur_read], 0x20 |
1189 | jc .ret |
1189 | jc .ret |
1190 | push esi |
1190 | push esi |
1191 | pushad |
1191 | pushad |
1192 | mov esi, [ebp+NTFS.cur_index_buf] |
1192 | mov esi, [ebp+NTFS.cur_index_buf] |
1193 | mov eax, [esi+indexRecordSize] |
1193 | mov eax, [esi+indexRecordSize] |
1194 | shr eax, 9 |
1194 | shr eax, 9 |
1195 | cmp [ebp+NTFS.cur_index_size], eax |
1195 | cmp [ebp+NTFS.cur_index_size], eax |
1196 | jc .realloc |
1196 | jc .realloc |
1197 | mov [ebp+NTFS.cur_size], eax |
1197 | mov [ebp+NTFS.cur_size], eax |
1198 | mov al, [esi+indexRecordSizeClus] |
1198 | mov al, [esi+indexRecordSizeClus] |
1199 | mov [ebp+NTFS.cur_subnode_size], eax |
1199 | mov [ebp+NTFS.cur_subnode_size], eax |
1200 | add esi, rootNode |
1200 | add esi, rootNode |
1201 | mov eax, [esi+nodeRealSize] |
1201 | mov eax, [esi+nodeRealSize] |
1202 | add eax, rootNode |
1202 | add eax, rootNode |
1203 | cmp [ebp+NTFS.cur_read], eax |
1203 | cmp [ebp+NTFS.cur_read], eax |
1204 | jc .err |
1204 | jc .err |
1205 | mov eax, [ebp+NTFS.mftLastRead] |
1205 | mov eax, [ebp+NTFS.mftLastRead] |
1206 | mov [ebp+NTFS.rootLastRead], eax |
1206 | mov [ebp+NTFS.rootLastRead], eax |
1207 | mov eax, [ebp+NTFS.attr_offs] |
1207 | mov eax, [ebp+NTFS.attr_offs] |
1208 | mov [ebp+NTFS.indexRoot], eax |
1208 | mov [ebp+NTFS.indexRoot], eax |
1209 | .scanloop: ; esi -> current index node |
1209 | .scanloop: ; esi -> current index node |
1210 | add esi, [esi+indexOffset] |
1210 | add esi, [esi+indexOffset] |
1211 | .scanloopint: |
1211 | .scanloopint: |
1212 | push esi |
1212 | push esi |
1213 | test byte [esi+indexFlags], 2 |
1213 | test byte [esi+indexFlags], 2 |
1214 | jnz .subnode |
1214 | jnz .subnode |
1215 | movzx ecx, byte [esi+fileNameLength] |
1215 | movzx ecx, byte [esi+fileNameLength] |
1216 | lea edi, [esi+fileName] |
1216 | lea edi, [esi+fileName] |
1217 | mov esi, [esp+8] |
1217 | mov esi, [esp+8] |
1218 | @@: |
1218 | @@: |
1219 | call utf8to16 |
1219 | call utf8to16 |
1220 | cmp ax, '/' |
1220 | cmp ax, '/' |
1221 | jz .subnode |
1221 | jz .subnode |
1222 | call utf16toUpper |
1222 | call utf16toUpper |
1223 | push eax |
1223 | push eax |
1224 | mov ax, [edi] |
1224 | mov ax, [edi] |
1225 | call utf16toUpper |
1225 | call utf16toUpper |
1226 | cmp [esp], ax |
1226 | cmp [esp], ax |
1227 | pop eax |
1227 | pop eax |
1228 | jc .subnode |
1228 | jc .subnode |
1229 | jnz .scanloopcont |
1229 | jnz .scanloopcont |
1230 | add edi, 2 |
1230 | add edi, 2 |
1231 | loop @b |
1231 | loop @b |
1232 | call utf8to16 |
1232 | call utf8to16 |
1233 | cmp ax, '/' |
1233 | cmp ax, '/' |
1234 | jz .found |
1234 | jz .found |
1235 | test ax, ax |
1235 | test ax, ax |
1236 | jz .found |
1236 | jz .found |
1237 | .scanloopcont: |
1237 | .scanloopcont: |
1238 | pop esi |
1238 | pop esi |
1239 | movzx eax, word [esi+indexAllocatedSize] |
1239 | movzx eax, word [esi+indexAllocatedSize] |
1240 | add esi, eax |
1240 | add esi, eax |
1241 | jmp .scanloopint |
1241 | jmp .scanloopint |
1242 | 1242 | ||
1243 | .realloc: |
1243 | .realloc: |
1244 | mov edi, eax |
1244 | mov edi, eax |
1245 | mov eax, [esi+indexRecordSize] |
1245 | mov eax, [esi+indexRecordSize] |
1246 | shl eax, 1 |
1246 | shl eax, 1 |
1247 | stdcall kernel_alloc, eax |
1247 | stdcall kernel_alloc, eax |
1248 | test eax, eax |
1248 | test eax, eax |
1249 | jz .err |
1249 | jz .err |
1250 | mov edx, [ebp+NTFS.cur_index_buf] |
1250 | mov edx, [ebp+NTFS.cur_index_buf] |
1251 | cmp edx, [ebp+NTFS.secondIndexBuffer] |
1251 | cmp edx, [ebp+NTFS.secondIndexBuffer] |
1252 | jc @f |
1252 | jc @f |
1253 | mov edx, [ebp+NTFS.secondIndexBuffer] |
1253 | mov edx, [ebp+NTFS.secondIndexBuffer] |
1254 | @@: |
1254 | @@: |
1255 | mov [ebp+NTFS.cur_index_buf], eax |
1255 | mov [ebp+NTFS.cur_index_buf], eax |
1256 | add eax, [esi+indexRecordSize] |
1256 | add eax, [esi+indexRecordSize] |
1257 | mov [ebp+NTFS.secondIndexBuffer], eax |
1257 | mov [ebp+NTFS.secondIndexBuffer], eax |
1258 | mov [ebp+NTFS.cur_index_size], edi |
1258 | mov [ebp+NTFS.cur_index_size], edi |
1259 | stdcall kernel_free, edx |
1259 | stdcall kernel_free, edx |
1260 | popad |
1260 | popad |
1261 | pop eax |
1261 | pop eax |
1262 | jmp .doit2 |
1262 | jmp .doit2 |
1263 | 1263 | ||
1264 | .notfound: |
1264 | .notfound: |
1265 | mov [esp+28], esi |
1265 | mov [esp+28], esi |
1266 | .err: |
1266 | .err: |
1267 | popad |
1267 | popad |
1268 | stc |
1268 | stc |
1269 | .ret2: |
1269 | .ret2: |
1270 | pop esi |
1270 | pop esi |
1271 | .ret: |
1271 | .ret: |
1272 | ret |
1272 | ret |
1273 | 1273 | ||
1274 | .subnode: |
1274 | .subnode: |
1275 | pop esi |
1275 | pop esi |
1276 | test byte [esi+indexFlags], 1 |
1276 | test byte [esi+indexFlags], 1 |
1277 | jz .notfound |
1277 | jz .notfound |
1278 | mov eax, [ebp+NTFS.LastRead] |
1278 | mov eax, [ebp+NTFS.LastRead] |
1279 | mov [ebp+NTFS.nodeLastRead], eax |
1279 | mov [ebp+NTFS.nodeLastRead], eax |
1280 | mov [ebp+NTFS.indexPointer], esi |
1280 | mov [ebp+NTFS.indexPointer], esi |
1281 | movzx eax, word [esi+indexAllocatedSize] |
1281 | movzx eax, word [esi+indexAllocatedSize] |
1282 | mov eax, [esi+eax-8] |
1282 | mov eax, [esi+eax-8] |
1283 | mov edx, [ebp+NTFS.cur_size] |
1283 | mov edx, [ebp+NTFS.cur_size] |
1284 | push edx |
1284 | push edx |
1285 | cmp edx, [ebp+NTFS.cur_subnode_size] |
1285 | cmp edx, [ebp+NTFS.cur_subnode_size] |
1286 | jz @f |
1286 | jz @f |
1287 | mul [ebp+NTFS.sectors_per_cluster] |
1287 | mul [ebp+NTFS.sectors_per_cluster] |
1288 | @@: |
1288 | @@: |
1289 | mov esi, [ebp+NTFS.cur_index_buf] |
1289 | mov esi, [ebp+NTFS.cur_index_buf] |
1290 | xchg [ebp+NTFS.secondIndexBuffer], esi |
1290 | xchg [ebp+NTFS.secondIndexBuffer], esi |
1291 | mov [ebp+NTFS.cur_index_buf], esi |
1291 | mov [ebp+NTFS.cur_index_buf], esi |
1292 | mov [ebp+NTFS.cur_buf], esi |
1292 | mov [ebp+NTFS.cur_buf], esi |
1293 | mov [ebp+NTFS.cur_attr], 0xA0 ; $INDEX_ALLOCATION |
1293 | mov [ebp+NTFS.cur_attr], 0xA0 ; $INDEX_ALLOCATION |
1294 | mov [ebp+NTFS.cur_offs], eax |
1294 | mov [ebp+NTFS.cur_offs], eax |
1295 | call ntfs_read_attr.newAttribute |
1295 | call ntfs_read_attr.newAttribute |
1296 | pop eax |
1296 | pop eax |
1297 | mov [ebp+NTFS.cur_size], eax |
1297 | mov [ebp+NTFS.cur_size], eax |
1298 | shl eax, 9 |
1298 | shl eax, 9 |
1299 | cmp [ebp+NTFS.cur_read], eax |
1299 | cmp [ebp+NTFS.cur_read], eax |
1300 | jnz .err |
1300 | jnz .err |
1301 | cmp dword [esi], 'INDX' |
1301 | cmp dword [esi], 'INDX' |
1302 | jnz .err |
1302 | jnz .err |
1303 | mov ebx, esi |
1303 | mov ebx, esi |
1304 | call ntfs_restore_usa |
1304 | call ntfs_restore_usa |
1305 | jc .err |
1305 | jc .err |
1306 | add esi, recordNode |
1306 | add esi, recordNode |
1307 | jmp .scanloop |
1307 | jmp .scanloop |
1308 | 1308 | ||
1309 | .found: |
1309 | .found: |
1310 | mov [esp+8], esi |
1310 | mov [esp+8], esi |
1311 | pop eax |
1311 | pop eax |
1312 | mov [esp+28], eax |
1312 | mov [esp+28], eax |
1313 | mov eax, [eax+fileRecordReference] |
1313 | mov eax, [eax+fileRecordReference] |
1314 | mov [ebp+NTFS.cur_iRecord], eax |
1314 | mov [ebp+NTFS.cur_iRecord], eax |
1315 | popad |
1315 | popad |
1316 | cmp byte [esi-1], 0 |
1316 | cmp byte [esi-1], 0 |
1317 | jz .ret2 |
1317 | jz .ret2 |
1318 | pop eax |
1318 | pop eax |
1319 | jmp .doit2 |
1319 | jmp .doit2 |
1320 | 1320 | ||
1321 | ;---------------------------------------------------------------- |
1321 | ;---------------------------------------------------------------- |
1322 | ntfs_ReadFile: |
1322 | ntfs_ReadFile: |
1323 | call ntfs_lock |
1323 | call ntfs_lock |
1324 | call ntfs_find_lfn |
1324 | call ntfs_find_lfn |
1325 | jc ntfsNotFound |
1325 | jc ntfsNotFound |
1326 | mov [ebp+NTFS.cur_attr], 0x80 ; $DATA |
1326 | mov [ebp+NTFS.cur_attr], 0x80 ; $DATA |
1327 | and [ebp+NTFS.cur_offs], 0 |
1327 | and [ebp+NTFS.cur_offs], 0 |
1328 | and [ebp+NTFS.cur_size], 0 |
1328 | and [ebp+NTFS.cur_size], 0 |
1329 | call ntfs_read_attr |
1329 | call ntfs_read_attr |
1330 | jc ntfsDenied |
1330 | jc ntfsDenied |
1331 | xor eax, eax |
1331 | xor eax, eax |
1332 | push eax |
1332 | push eax |
1333 | cmp dword [ebx+8], 0x200 |
1333 | cmp dword [ebx+8], 0x200 |
1334 | jnc .eof |
1334 | jnc .eof |
1335 | mov ecx, [ebx+12] |
1335 | mov ecx, [ebx+12] |
1336 | mov edx, [ebx+16] |
1336 | mov edx, [ebx+16] |
1337 | mov eax, [ebx+4] |
1337 | mov eax, [ebx+4] |
1338 | test eax, 0x1FF |
1338 | test eax, 0x1FF |
1339 | jz .alignedstart |
1339 | jz .alignedstart |
1340 | push edx |
1340 | push edx |
1341 | mov edx, [ebx+8] |
1341 | mov edx, [ebx+8] |
1342 | shrd eax, edx, 9 |
1342 | shrd eax, edx, 9 |
1343 | pop edx |
1343 | pop edx |
1344 | mov [ebp+NTFS.cur_offs], eax |
1344 | mov [ebp+NTFS.cur_offs], eax |
1345 | mov [ebp+NTFS.cur_size], 1 |
1345 | mov [ebp+NTFS.cur_size], 1 |
1346 | lea eax, [ebp+NTFS.bitmap_buf] |
1346 | lea eax, [ebp+NTFS.bitmap_buf] |
1347 | mov [ebp+NTFS.cur_buf], eax |
1347 | mov [ebp+NTFS.cur_buf], eax |
1348 | call ntfs_read_attr.continue |
1348 | call ntfs_read_attr.continue |
1349 | mov eax, [ebx+4] |
1349 | mov eax, [ebx+4] |
1350 | and eax, 0x1FF |
1350 | and eax, 0x1FF |
1351 | lea esi, [ebp+NTFS.bitmap_buf+eax] |
1351 | lea esi, [ebp+NTFS.bitmap_buf+eax] |
1352 | sub eax, [ebp+NTFS.cur_read] |
1352 | sub eax, [ebp+NTFS.cur_read] |
1353 | jae .eof |
1353 | jae .eof |
1354 | neg eax |
1354 | neg eax |
1355 | push ecx |
1355 | push ecx |
1356 | cmp ecx, eax |
1356 | cmp ecx, eax |
1357 | jb @f |
1357 | jb @f |
1358 | mov ecx, eax |
1358 | mov ecx, eax |
1359 | @@: |
1359 | @@: |
1360 | mov [esp+4], ecx |
1360 | mov [esp+4], ecx |
1361 | mov edi, edx |
1361 | mov edi, edx |
1362 | rep movsb |
1362 | rep movsb |
1363 | mov edx, edi |
1363 | mov edx, edi |
1364 | pop ecx |
1364 | pop ecx |
1365 | sub ecx, [esp] |
1365 | sub ecx, [esp] |
1366 | jz .retok |
1366 | jz .retok |
1367 | cmp [ebp+NTFS.cur_read], 0x200 |
1367 | cmp [ebp+NTFS.cur_read], 0x200 |
1368 | jnz .eof |
1368 | jnz .eof |
1369 | .alignedstart: |
1369 | .alignedstart: |
1370 | mov eax, [ebx+4] |
1370 | mov eax, [ebx+4] |
1371 | push edx |
1371 | push edx |
1372 | mov edx, [ebx+8] |
1372 | mov edx, [ebx+8] |
1373 | add eax, 511 |
1373 | add eax, 511 |
1374 | adc edx, 0 |
1374 | adc edx, 0 |
1375 | shrd eax, edx, 9 |
1375 | shrd eax, edx, 9 |
1376 | pop edx |
1376 | pop edx |
1377 | mov [ebp+NTFS.cur_offs], eax |
1377 | mov [ebp+NTFS.cur_offs], eax |
1378 | mov [ebp+NTFS.cur_buf], edx |
1378 | mov [ebp+NTFS.cur_buf], edx |
1379 | mov eax, ecx |
1379 | mov eax, ecx |
1380 | shr eax, 9 |
1380 | shr eax, 9 |
1381 | mov [ebp+NTFS.cur_size], eax |
1381 | mov [ebp+NTFS.cur_size], eax |
1382 | add eax, [ebp+NTFS.cur_offs] |
1382 | add eax, [ebp+NTFS.cur_offs] |
1383 | push eax |
1383 | push eax |
1384 | call ntfs_read_attr.continue |
1384 | call ntfs_read_attr.continue |
1385 | pop [ebp+NTFS.cur_offs] |
1385 | pop [ebp+NTFS.cur_offs] |
1386 | mov eax, [ebp+NTFS.cur_read] |
1386 | mov eax, [ebp+NTFS.cur_read] |
1387 | add [esp], eax |
1387 | add [esp], eax |
1388 | mov eax, ecx |
1388 | mov eax, ecx |
1389 | and eax, not 0x1FF |
1389 | and eax, not 0x1FF |
1390 | cmp [ebp+NTFS.cur_read], eax |
1390 | cmp [ebp+NTFS.cur_read], eax |
1391 | jnz .eof |
1391 | jnz .eof |
1392 | and ecx, 0x1FF |
1392 | and ecx, 0x1FF |
1393 | jz .retok |
1393 | jz .retok |
1394 | add edx, [ebp+NTFS.cur_read] |
1394 | add edx, [ebp+NTFS.cur_read] |
1395 | mov [ebp+NTFS.cur_size], 1 |
1395 | mov [ebp+NTFS.cur_size], 1 |
1396 | lea eax, [ebp+NTFS.bitmap_buf] |
1396 | lea eax, [ebp+NTFS.bitmap_buf] |
1397 | mov [ebp+NTFS.cur_buf], eax |
1397 | mov [ebp+NTFS.cur_buf], eax |
1398 | call ntfs_read_attr.continue |
1398 | call ntfs_read_attr.continue |
1399 | cmp [ebp+NTFS.cur_read], ecx |
1399 | cmp [ebp+NTFS.cur_read], ecx |
1400 | jb @f |
1400 | jb @f |
1401 | mov [ebp+NTFS.cur_read], ecx |
1401 | mov [ebp+NTFS.cur_read], ecx |
1402 | @@: |
1402 | @@: |
1403 | xchg ecx, [ebp+NTFS.cur_read] |
1403 | xchg ecx, [ebp+NTFS.cur_read] |
1404 | push ecx |
1404 | push ecx |
1405 | mov edi, edx |
1405 | mov edi, edx |
1406 | lea esi, [ebp+NTFS.bitmap_buf] |
1406 | lea esi, [ebp+NTFS.bitmap_buf] |
1407 | add [esp+4], ecx |
1407 | add [esp+4], ecx |
1408 | rep movsb |
1408 | rep movsb |
1409 | pop ecx |
1409 | pop ecx |
1410 | cmp ecx, [ebp+NTFS.cur_read] |
1410 | cmp ecx, [ebp+NTFS.cur_read] |
1411 | jnz .eof |
1411 | jnz .eof |
1412 | .retok: |
1412 | .retok: |
1413 | pushd 0 |
1413 | pushd 0 |
1414 | .ret: |
1414 | .ret: |
1415 | call ntfs_unlock |
1415 | call ntfs_unlock |
1416 | pop eax ebx |
1416 | pop eax ebx |
1417 | ret |
1417 | ret |
1418 | 1418 | ||
1419 | .eof: |
1419 | .eof: |
1420 | push ERROR_END_OF_FILE |
1420 | push ERROR_END_OF_FILE |
1421 | jmp .ret |
1421 | jmp .ret |
1422 | 1422 | ||
1423 | ;---------------------------------------------------------------- |
1423 | ;---------------------------------------------------------------- |
1424 | ntfs_ReadFolder: |
1424 | ntfs_ReadFolder: |
1425 | call ntfs_lock |
1425 | call ntfs_lock |
1426 | mov [ebp+NTFS.cur_iRecord], 5 ; root directory |
1426 | mov [ebp+NTFS.cur_iRecord], 5 ; root directory |
1427 | cmp byte [esi], 0 |
1427 | cmp byte [esi], 0 |
1428 | jz @f |
1428 | jz @f |
1429 | call ntfs_find_lfn |
1429 | call ntfs_find_lfn |
1430 | jc ntfsNotFound |
1430 | jc ntfsNotFound |
1431 | @@: |
1431 | @@: |
1432 | mov [ebp+NTFS.cur_attr], 0x10 ; $STANDARD_INFORMATION |
1432 | mov [ebp+NTFS.cur_attr], 0x10 ; $STANDARD_INFORMATION |
1433 | and [ebp+NTFS.cur_offs], 0 |
1433 | and [ebp+NTFS.cur_offs], 0 |
1434 | mov [ebp+NTFS.cur_size], 1 |
1434 | mov [ebp+NTFS.cur_size], 1 |
1435 | lea eax, [ebp+NTFS.bitmap_buf] |
1435 | lea eax, [ebp+NTFS.bitmap_buf] |
1436 | mov [ebp+NTFS.cur_buf], eax |
1436 | mov [ebp+NTFS.cur_buf], eax |
1437 | call ntfs_read_attr |
1437 | call ntfs_read_attr |
1438 | jc ntfsFail |
1438 | jc ntfsFail |
1439 | mov [ebp+NTFS.cur_attr], 0x90 ; $INDEX_ROOT |
1439 | mov [ebp+NTFS.cur_attr], 0x90 ; $INDEX_ROOT |
1440 | .doit: |
1440 | .doit: |
1441 | mov eax, [ebp+NTFS.cur_index_size] |
1441 | mov eax, [ebp+NTFS.cur_index_size] |
1442 | mov [ebp+NTFS.cur_size], eax |
1442 | mov [ebp+NTFS.cur_size], eax |
1443 | mov eax, [ebp+NTFS.cur_index_buf] |
1443 | mov eax, [ebp+NTFS.cur_index_buf] |
1444 | mov [ebp+NTFS.cur_buf], eax |
1444 | mov [ebp+NTFS.cur_buf], eax |
1445 | call ntfs_read_attr.newAttribute |
1445 | call ntfs_read_attr.newAttribute |
1446 | jc ntfsFail |
1446 | jc ntfsFail |
1447 | cmp [ebp+NTFS.cur_read], 0x20 |
1447 | cmp [ebp+NTFS.cur_read], 0x20 |
1448 | jc ntfsFail |
1448 | jc ntfsFail |
1449 | mov esi, [ebp+NTFS.cur_index_buf] |
1449 | mov esi, [ebp+NTFS.cur_index_buf] |
1450 | mov eax, [esi+indexRecordSize] |
1450 | mov eax, [esi+indexRecordSize] |
1451 | shr eax, 9 |
1451 | shr eax, 9 |
1452 | cmp [ebp+NTFS.cur_index_size], eax |
1452 | cmp [ebp+NTFS.cur_index_size], eax |
1453 | jc .realloc |
1453 | jc .realloc |
1454 | mov [ebp+NTFS.cur_subnode_size], eax |
1454 | mov [ebp+NTFS.cur_subnode_size], eax |
1455 | add esi, rootNode |
1455 | add esi, rootNode |
1456 | mov eax, [esi+nodeRealSize] |
1456 | mov eax, [esi+nodeRealSize] |
1457 | add eax, rootNode |
1457 | add eax, rootNode |
1458 | cmp [ebp+NTFS.cur_read], eax |
1458 | cmp [ebp+NTFS.cur_read], eax |
1459 | jc ntfsFail |
1459 | jc ntfsFail |
1460 | mov edi, [ebx+16] |
1460 | mov edi, [ebx+16] |
1461 | mov ecx, [ebx+12] |
1461 | mov ecx, [ebx+12] |
1462 | pushd [ebx] |
1462 | pushd [ebx] |
1463 | pushd [ebx+8] ; read ANSI/UNICODE name |
1463 | pushd [ebx+8] ; read ANSI/UNICODE name |
1464 | push edi |
1464 | push edi |
1465 | mov edx, esp |
1465 | mov edx, esp |
1466 | mov ebx, [ebx+4] |
1466 | mov ebx, [ebx+4] |
1467 | ; init header |
1467 | ; init header |
1468 | xor eax, eax |
1468 | xor eax, eax |
1469 | mov [edi+8], eax |
1469 | mov [edi+8], eax |
1470 | mov [edi+4], eax |
1470 | mov [edi+4], eax |
1471 | inc eax |
1471 | inc eax |
1472 | mov [edi], eax ; version |
1472 | mov [edi], eax ; version |
1473 | add edi, 32 |
1473 | add edi, 32 |
1474 | ; edi -> BDFE, esi -> current index data, ebx = first wanted block, |
1474 | ; edi -> BDFE, esi -> current index data, ebx = first wanted block, |
1475 | ; ecx = number of blocks to read |
1475 | ; ecx = number of blocks to read |
1476 | ; edx -> parameters block: dd |
1476 | ; edx -> parameters block: dd |
1477 | cmp [ebp+NTFS.cur_iRecord], 5 |
1477 | cmp [ebp+NTFS.cur_iRecord], 5 |
1478 | jz .skip_specials |
1478 | jz .skip_specials |
1479 | ; dot and dotdot entries |
1479 | ; dot and dotdot entries |
1480 | push esi |
1480 | push esi |
1481 | xor esi, esi |
1481 | xor esi, esi |
1482 | call .add_special_entry |
1482 | call .add_special_entry |
1483 | inc esi |
1483 | inc esi |
1484 | call .add_special_entry |
1484 | call .add_special_entry |
1485 | pop esi |
1485 | pop esi |
1486 | .skip_specials: |
1486 | .skip_specials: |
1487 | ; at first, dump index root |
1487 | ; at first, dump index root |
1488 | add esi, [esi+indexOffset] |
1488 | add esi, [esi+indexOffset] |
1489 | .dump_root: |
1489 | .dump_root: |
1490 | test byte [esi+indexFlags], 2 |
1490 | test byte [esi+indexFlags], 2 |
1491 | jnz .dump_root_done |
1491 | jnz .dump_root_done |
1492 | call .add_entry |
1492 | call .add_entry |
1493 | movzx eax, word [esi+indexAllocatedSize] |
1493 | movzx eax, word [esi+indexAllocatedSize] |
1494 | add esi, eax |
1494 | add esi, eax |
1495 | jmp .dump_root |
1495 | jmp .dump_root |
1496 | 1496 | ||
1497 | .realloc: |
1497 | .realloc: |
1498 | mov edi, eax |
1498 | mov edi, eax |
1499 | mov eax, [esi+indexRecordSize] |
1499 | mov eax, [esi+indexRecordSize] |
1500 | shl eax, 1 |
1500 | shl eax, 1 |
1501 | stdcall kernel_alloc, eax |
1501 | stdcall kernel_alloc, eax |
1502 | test eax, eax |
1502 | test eax, eax |
1503 | jz ntfsFail |
1503 | jz ntfsFail |
1504 | mov edx, [ebp+NTFS.cur_index_buf] |
1504 | mov edx, [ebp+NTFS.cur_index_buf] |
1505 | cmp edx, [ebp+NTFS.secondIndexBuffer] |
1505 | cmp edx, [ebp+NTFS.secondIndexBuffer] |
1506 | jc @f |
1506 | jc @f |
1507 | mov edx, [ebp+NTFS.secondIndexBuffer] |
1507 | mov edx, [ebp+NTFS.secondIndexBuffer] |
1508 | @@: |
1508 | @@: |
1509 | mov [ebp+NTFS.cur_index_buf], eax |
1509 | mov [ebp+NTFS.cur_index_buf], eax |
1510 | add eax, [esi+indexRecordSize] |
1510 | add eax, [esi+indexRecordSize] |
1511 | mov [ebp+NTFS.secondIndexBuffer], eax |
1511 | mov [ebp+NTFS.secondIndexBuffer], eax |
1512 | mov [ebp+NTFS.cur_index_size], edi |
1512 | mov [ebp+NTFS.cur_index_size], edi |
1513 | stdcall kernel_free, edx |
1513 | stdcall kernel_free, edx |
1514 | jmp .doit |
1514 | jmp .doit |
1515 | 1515 | ||
1516 | .dump_root_done: |
1516 | .dump_root_done: |
1517 | ; now dump all subnodes |
1517 | ; now dump all subnodes |
1518 | push ecx edi |
1518 | push ecx edi |
1519 | lea edi, [ebp+NTFS.bitmap_buf] |
1519 | lea edi, [ebp+NTFS.bitmap_buf] |
1520 | mov [ebp+NTFS.cur_buf], edi |
1520 | mov [ebp+NTFS.cur_buf], edi |
1521 | mov ecx, 0x400/4 |
1521 | mov ecx, 0x400/4 |
1522 | xor eax, eax |
1522 | xor eax, eax |
1523 | rep stosd |
1523 | rep stosd |
1524 | mov [ebp+NTFS.cur_attr], 0xB0 ; $BITMAP |
1524 | mov [ebp+NTFS.cur_attr], 0xB0 ; $BITMAP |
1525 | and [ebp+NTFS.cur_offs], 0 |
1525 | and [ebp+NTFS.cur_offs], 0 |
1526 | mov [ebp+NTFS.cur_size], 2 |
1526 | mov [ebp+NTFS.cur_size], 2 |
1527 | call ntfs_read_attr.newAttribute |
1527 | call ntfs_read_attr.newAttribute |
1528 | pop edi ecx |
1528 | pop edi ecx |
1529 | push 0 ; save offset in $BITMAP attribute |
1529 | push 0 ; save offset in $BITMAP attribute |
1530 | and [ebp+NTFS.cur_offs], 0 |
1530 | and [ebp+NTFS.cur_offs], 0 |
1531 | .dumploop: |
1531 | .dumploop: |
1532 | mov [ebp+NTFS.cur_attr], 0xA0 |
1532 | mov [ebp+NTFS.cur_attr], 0xA0 |
1533 | mov eax, [ebp+NTFS.cur_subnode_size] |
1533 | mov eax, [ebp+NTFS.cur_subnode_size] |
1534 | mov [ebp+NTFS.cur_size], eax |
1534 | mov [ebp+NTFS.cur_size], eax |
1535 | mov esi, [ebp+NTFS.cur_index_buf] |
1535 | mov esi, [ebp+NTFS.cur_index_buf] |
1536 | mov [ebp+NTFS.cur_buf], esi |
1536 | mov [ebp+NTFS.cur_buf], esi |
1537 | mov eax, [ebp+NTFS.cur_offs] |
1537 | mov eax, [ebp+NTFS.cur_offs] |
1538 | push eax |
1538 | push eax |
1539 | imul eax, [ebp+NTFS.cur_subnode_size] |
1539 | imul eax, [ebp+NTFS.cur_subnode_size] |
1540 | mov [ebp+NTFS.cur_offs], eax |
1540 | mov [ebp+NTFS.cur_offs], eax |
1541 | call ntfs_read_attr.newAttribute |
1541 | call ntfs_read_attr.newAttribute |
1542 | pop [ebp+NTFS.cur_offs] |
1542 | pop [ebp+NTFS.cur_offs] |
1543 | mov eax, [ebp+NTFS.cur_subnode_size] |
1543 | mov eax, [ebp+NTFS.cur_subnode_size] |
1544 | shl eax, 9 |
1544 | shl eax, 9 |
1545 | cmp [ebp+NTFS.cur_read], eax |
1545 | cmp [ebp+NTFS.cur_read], eax |
1546 | jnz .done |
1546 | jnz .done |
1547 | push eax |
1547 | push eax |
1548 | mov eax, [ebp+NTFS.cur_offs] |
1548 | mov eax, [ebp+NTFS.cur_offs] |
1549 | and eax, 0x400*8-1 |
1549 | and eax, 0x400*8-1 |
1550 | bt dword [ebp+NTFS.bitmap_buf], eax |
1550 | bt dword [ebp+NTFS.bitmap_buf], eax |
1551 | pop eax |
1551 | pop eax |
1552 | jnc .dump_subnode_done |
1552 | jnc .dump_subnode_done |
1553 | cmp dword [esi], 'INDX' |
1553 | cmp dword [esi], 'INDX' |
1554 | jnz .dump_subnode_done |
1554 | jnz .dump_subnode_done |
1555 | push ebx |
1555 | push ebx |
1556 | mov ebx, esi |
1556 | mov ebx, esi |
1557 | call ntfs_restore_usa |
1557 | call ntfs_restore_usa |
1558 | pop ebx |
1558 | pop ebx |
1559 | jc .dump_subnode_done |
1559 | jc .dump_subnode_done |
1560 | add esi, recordNode |
1560 | add esi, recordNode |
1561 | add esi, [esi+indexOffset] |
1561 | add esi, [esi+indexOffset] |
1562 | .dump_subnode: |
1562 | .dump_subnode: |
1563 | test byte [esi+indexFlags], 2 |
1563 | test byte [esi+indexFlags], 2 |
1564 | jnz .dump_subnode_done |
1564 | jnz .dump_subnode_done |
1565 | call .add_entry |
1565 | call .add_entry |
1566 | movzx eax, word [esi+indexAllocatedSize] |
1566 | movzx eax, word [esi+indexAllocatedSize] |
1567 | add esi, eax |
1567 | add esi, eax |
1568 | jmp .dump_subnode |
1568 | jmp .dump_subnode |
1569 | 1569 | ||
1570 | .dump_subnode_done: |
1570 | .dump_subnode_done: |
1571 | inc [ebp+NTFS.cur_offs] |
1571 | inc [ebp+NTFS.cur_offs] |
1572 | test [ebp+NTFS.cur_offs], 0x400*8-1 |
1572 | test [ebp+NTFS.cur_offs], 0x400*8-1 |
1573 | jnz .dumploop |
1573 | jnz .dumploop |
1574 | mov [ebp+NTFS.cur_attr], 0xB0 |
1574 | mov [ebp+NTFS.cur_attr], 0xB0 |
1575 | push ecx edi |
1575 | push ecx edi |
1576 | lea edi, [ebp+NTFS.bitmap_buf] |
1576 | lea edi, [ebp+NTFS.bitmap_buf] |
1577 | mov [ebp+NTFS.cur_buf], edi |
1577 | mov [ebp+NTFS.cur_buf], edi |
1578 | mov ecx, 0x400/4 |
1578 | mov ecx, 0x400/4 |
1579 | xor eax, eax |
1579 | xor eax, eax |
1580 | rep stosd |
1580 | rep stosd |
1581 | pop edi ecx |
1581 | pop edi ecx |
1582 | pop eax |
1582 | pop eax |
1583 | push [ebp+NTFS.cur_offs] |
1583 | push [ebp+NTFS.cur_offs] |
1584 | inc eax |
1584 | inc eax |
1585 | mov [ebp+NTFS.cur_offs], eax |
1585 | mov [ebp+NTFS.cur_offs], eax |
1586 | mov [ebp+NTFS.cur_size], 2 |
1586 | mov [ebp+NTFS.cur_size], 2 |
1587 | push eax |
1587 | push eax |
1588 | call ntfs_read_attr.newAttribute |
1588 | call ntfs_read_attr.newAttribute |
1589 | pop eax |
1589 | pop eax |
1590 | pop [ebp+NTFS.cur_offs] |
1590 | pop [ebp+NTFS.cur_offs] |
1591 | push eax |
1591 | push eax |
1592 | jmp .dumploop |
1592 | jmp .dumploop |
1593 | 1593 | ||
1594 | .done: |
1594 | .done: |
1595 | pop eax |
1595 | pop eax |
1596 | pop eax |
1596 | pop eax |
1597 | mov ebx, [eax+4] |
1597 | mov ebx, [eax+4] |
1598 | pop eax |
1598 | pop eax |
1599 | pop eax |
1599 | pop eax |
1600 | test eax, eax |
1600 | test eax, eax |
1601 | jz .ret |
1601 | jz .ret |
1602 | xor eax, eax |
1602 | xor eax, eax |
1603 | dec ecx |
1603 | dec ecx |
1604 | js @f |
1604 | js @f |
1605 | mov al, ERROR_END_OF_FILE |
1605 | mov al, ERROR_END_OF_FILE |
1606 | @@: |
1606 | @@: |
1607 | push eax |
1607 | push eax |
1608 | call ntfs_unlock |
1608 | call ntfs_unlock |
1609 | pop eax |
1609 | pop eax |
1610 | ret |
1610 | ret |
1611 | 1611 | ||
1612 | .add_special_entry: |
1612 | .add_special_entry: |
1613 | mov eax, [edx] |
1613 | mov eax, [edx] |
1614 | inc dword [eax+8] ; new file found |
1614 | inc dword [eax+8] ; new file found |
1615 | dec ebx |
1615 | dec ebx |
1616 | jns .ret |
1616 | jns .ret |
1617 | dec ecx |
1617 | dec ecx |
1618 | js .ret |
1618 | js .ret |
1619 | inc dword [eax+4] ; new file block copied |
1619 | inc dword [eax+4] ; new file block copied |
1620 | mov eax, [edx+4] |
1620 | mov eax, [edx+4] |
1621 | mov [edi+4], eax |
1621 | mov [edi+4], eax |
1622 | mov eax, 0x10 |
1622 | mov eax, 0x10 |
1623 | stosd |
1623 | stosd |
1624 | scasd |
1624 | scasd |
1625 | push ebx ecx edx |
1625 | push ebx ecx edx |
1626 | mov eax, dword [ebp+NTFS.bitmap_buf] |
1626 | mov eax, dword [ebp+NTFS.bitmap_buf] |
1627 | mov edx, dword [ebp+NTFS.bitmap_buf+4] |
1627 | mov edx, dword [ebp+NTFS.bitmap_buf+4] |
1628 | call ntfs_datetime_to_bdfe |
1628 | call ntfs_datetime_to_bdfe |
1629 | mov eax, dword [ebp+NTFS.bitmap_buf+0x18] |
1629 | mov eax, dword [ebp+NTFS.bitmap_buf+0x18] |
1630 | mov edx, dword [ebp+NTFS.bitmap_buf+0x1C] |
1630 | mov edx, dword [ebp+NTFS.bitmap_buf+0x1C] |
1631 | call ntfs_datetime_to_bdfe |
1631 | call ntfs_datetime_to_bdfe |
1632 | mov eax, dword [ebp+NTFS.bitmap_buf+8] |
1632 | mov eax, dword [ebp+NTFS.bitmap_buf+8] |
1633 | mov edx, dword [ebp+NTFS.bitmap_buf+0xC] |
1633 | mov edx, dword [ebp+NTFS.bitmap_buf+0xC] |
1634 | call ntfs_datetime_to_bdfe |
1634 | call ntfs_datetime_to_bdfe |
1635 | pop edx ecx ebx |
1635 | pop edx ecx ebx |
1636 | xor eax, eax |
1636 | xor eax, eax |
1637 | stosd |
1637 | stosd |
1638 | stosd |
1638 | stosd |
1639 | mov al, '.' |
1639 | mov al, '.' |
1640 | push edi ecx |
1640 | push edi ecx |
1641 | lea ecx, [esi+1] |
1641 | lea ecx, [esi+1] |
1642 | cmp dword[edi-36], 2 |
1642 | cmp dword[edi-36], 2 |
1643 | jz .utf16sp |
1643 | jz .utf16sp |
1644 | rep stosb |
1644 | rep stosb |
1645 | mov byte [edi], 0 |
1645 | mov byte [edi], 0 |
1646 | pop ecx edi |
1646 | pop ecx edi |
1647 | cmp dword[edi-36], 3 |
1647 | cmp dword[edi-36], 3 |
1648 | jz @f |
1648 | jz @f |
1649 | add edi, 264 |
1649 | add edi, 264 |
1650 | ret |
1650 | ret |
1651 | 1651 | ||
1652 | .utf16sp: |
1652 | .utf16sp: |
1653 | rep stosw |
1653 | rep stosw |
1654 | mov word [edi], 0 |
1654 | mov word [edi], 0 |
1655 | pop ecx edi |
1655 | pop ecx edi |
1656 | @@: |
1656 | @@: |
1657 | add edi, 520 |
1657 | add edi, 520 |
1658 | .ret: |
1658 | .ret: |
1659 | ret |
1659 | ret |
1660 | 1660 | ||
1661 | .add_entry: |
1661 | .add_entry: |
1662 | ; do not return DOS 8.3 names |
1662 | ; do not return DOS 8.3 names |
1663 | cmp byte [esi+namespace], 2 |
1663 | cmp byte [esi+namespace], 2 |
1664 | jz .ret |
1664 | jz .ret |
1665 | ; do not return system files |
1665 | ; do not return system files |
1666 | cmp dword[esi+fileRecordReference], 16 |
1666 | cmp dword[esi+fileRecordReference], 16 |
1667 | jb .ret |
1667 | jb .ret |
1668 | cmp byte [esi+fileNameLength], 0 |
1668 | cmp byte [esi+fileNameLength], 0 |
1669 | jz .ret |
1669 | jz .ret |
1670 | mov eax, [edx] |
1670 | mov eax, [edx] |
1671 | inc dword [eax+8] ; new file found |
1671 | inc dword [eax+8] ; new file found |
1672 | dec ebx |
1672 | dec ebx |
1673 | jns .ret |
1673 | jns .ret |
1674 | dec ecx |
1674 | dec ecx |
1675 | js .ret |
1675 | js .ret |
1676 | inc dword [eax+4] ; new file block copied |
1676 | inc dword [eax+4] ; new file block copied |
1677 | mov eax, [edx+4] ; flags |
1677 | mov eax, [edx+4] ; flags |
1678 | call ntfs_direntry_to_bdfe |
1678 | call ntfs_direntry_to_bdfe |
1679 | push ecx esi edi |
1679 | push ecx esi edi |
1680 | movzx ecx, byte [esi+fileNameLength] |
1680 | movzx ecx, byte [esi+fileNameLength] |
1681 | add esi, fileName |
1681 | add esi, fileName |
1682 | cmp dword[edi-36], 2 |
1682 | cmp dword[edi-36], 2 |
1683 | jz .utf16 |
1683 | jz .utf16 |
1684 | cmp dword[edi-36], 3 |
1684 | cmp dword[edi-36], 3 |
1685 | jz .utf8 |
1685 | jz .utf8 |
1686 | @@: |
1686 | @@: |
1687 | lodsw |
1687 | lodsw |
1688 | call uni2ansi_char |
1688 | call uni2ansi_char |
1689 | stosb |
1689 | stosb |
1690 | loop @b |
1690 | loop @b |
1691 | mov byte [edi], 0 |
1691 | mov byte [edi], 0 |
1692 | pop edi esi ecx |
1692 | pop edi esi ecx |
1693 | add edi, 264 |
1693 | add edi, 264 |
1694 | ret |
1694 | ret |
1695 | 1695 | ||
1696 | .utf8: |
1696 | .utf8: |
1697 | push ecx |
1697 | push ecx |
1698 | mov cx, 519 |
1698 | mov cx, 519 |
1699 | @@: |
1699 | @@: |
1700 | lodsw |
1700 | lodsw |
1701 | call UTF16to8 |
1701 | call UTF16to8 |
1702 | js @f |
1702 | js @f |
1703 | dec dword[esp] |
1703 | dec dword[esp] |
1704 | jnz @b |
1704 | jnz @b |
1705 | @@: |
1705 | @@: |
1706 | mov byte [edi], 0 |
1706 | mov byte [edi], 0 |
1707 | pop edi |
1707 | pop edi |
1708 | @@: |
1708 | @@: |
1709 | pop edi esi ecx |
1709 | pop edi esi ecx |
1710 | add edi, 520 |
1710 | add edi, 520 |
1711 | ret |
1711 | ret |
1712 | 1712 | ||
1713 | .utf16: |
1713 | .utf16: |
1714 | rep movsw |
1714 | rep movsw |
1715 | mov word [edi], 0 |
1715 | mov word [edi], 0 |
1716 | jmp @b |
1716 | jmp @b |
1717 | 1717 | ||
1718 | ntfs_direntry_to_bdfe: |
1718 | ntfs_direntry_to_bdfe: |
1719 | mov [edi+4], eax ; ANSI/UNICODE name |
1719 | mov [edi+4], eax ; ANSI/UNICODE name |
1720 | mov eax, [esi+fileFlags] |
1720 | mov eax, [esi+fileFlags] |
1721 | test eax, 0x10000000 |
1721 | test eax, 0x10000000 |
1722 | jz @f |
1722 | jz @f |
1723 | and eax, not 0x10000000 |
1723 | and eax, not 0x10000000 |
1724 | or al, 0x10 |
1724 | or al, 0x10 |
1725 | @@: |
1725 | @@: |
1726 | stosd |
1726 | stosd |
1727 | scasd |
1727 | scasd |
1728 | push ebx ecx edx |
1728 | push ebx ecx edx |
1729 | mov eax, [esi+fileCreated] |
1729 | mov eax, [esi+fileCreated] |
1730 | mov edx, [esi+fileCreated+4] |
1730 | mov edx, [esi+fileCreated+4] |
1731 | call ntfs_datetime_to_bdfe |
1731 | call ntfs_datetime_to_bdfe |
1732 | mov eax, [esi+fileAccessed] |
1732 | mov eax, [esi+fileAccessed] |
1733 | mov edx, [esi+fileAccessed+4] |
1733 | mov edx, [esi+fileAccessed+4] |
1734 | call ntfs_datetime_to_bdfe |
1734 | call ntfs_datetime_to_bdfe |
1735 | mov eax, [esi+fileModified] |
1735 | mov eax, [esi+fileModified] |
1736 | mov edx, [esi+fileModified+4] |
1736 | mov edx, [esi+fileModified+4] |
1737 | call ntfs_datetime_to_bdfe |
1737 | call ntfs_datetime_to_bdfe |
1738 | pop edx ecx ebx |
1738 | pop edx ecx ebx |
1739 | mov eax, [esi+fileRealSize] |
1739 | mov eax, [esi+fileRealSize] |
1740 | stosd |
1740 | stosd |
1741 | mov eax, [esi+fileRealSize+4] |
1741 | mov eax, [esi+fileRealSize+4] |
1742 | stosd |
1742 | stosd |
1743 | ret |
1743 | ret |
1744 | 1744 | ||
1745 | ntfs_datetime_to_bdfe: |
1745 | ntfs_datetime_to_bdfe: |
1746 | ; in: edx:eax = seconds since 01.01.1601 x10000000 |
1746 | ; in: edx:eax = seconds since 01.01.1601 x10000000 |
1747 | ; edi -> data block |
1747 | ; edi -> data block |
1748 | ; out: edi = edi+8 |
1748 | ; out: edi = edi+8 |
1749 | sub eax, 3365781504 |
1749 | sub eax, 3365781504 |
1750 | sbb edx, 29389701 |
1750 | sbb edx, 29389701 |
1751 | mov ecx, 10000000 |
1751 | mov ecx, 10000000 |
1752 | cmp edx, ecx |
1752 | cmp edx, ecx |
1753 | jc @f |
1753 | jc @f |
1754 | xor edx, edx |
1754 | xor edx, edx |
1755 | @@: |
1755 | @@: |
1756 | div ecx |
1756 | div ecx |
1757 | jmp fsTime2bdfe |
1757 | jmp fsTime2bdfe |
1758 | 1758 | ||
1759 | ;---------------------------------------------------------------- |
1759 | ;---------------------------------------------------------------- |
1760 | ntfs_GetFileInfo: |
1760 | ntfs_GetFileInfo: |
1761 | call ntfs_lock |
- | |
1762 | mov edi, [ebx+16] |
1761 | mov edi, [ebx+16] |
1763 | cmp byte [esi], 0 |
1762 | cmp byte [esi], 0 |
1764 | jz .volume |
1763 | jz .volume |
- | 1764 | call ntfs_lock |
|
1765 | call ntfs_find_lfn |
1765 | call ntfs_find_lfn |
1766 | jnc .found |
1766 | jnc .found |
1767 | test eax, eax |
1767 | test eax, eax |
1768 | jz ntfsFail |
1768 | jz ntfsFail |
1769 | jmp ntfsNotFound |
1769 | jmp ntfsNotFound |
1770 | 1770 | ||
1771 | .found: |
1771 | .found: |
1772 | mov esi, eax |
1772 | mov esi, eax |
1773 | xor eax, eax |
1773 | xor eax, eax |
1774 | call ntfs_direntry_to_bdfe |
1774 | call ntfs_direntry_to_bdfe |
1775 | .end: |
1775 | .end: |
1776 | call ntfs_unlock |
1776 | call ntfs_unlock |
1777 | xor eax, eax |
1777 | xor eax, eax |
- | 1778 | @@: |
|
1778 | ret |
1779 | ret |
1779 | 1780 | ||
1780 | .volume: |
1781 | .volume: |
1781 | mov byte [edi], 8 |
- | |
1782 | mov eax, [ebx+8] |
- | |
1783 | mov [edi+4], eax |
- | |
1784 | mov eax, dword [ebp+NTFS.Length] |
1782 | mov eax, dword [ebp+NTFS.Length] |
1785 | mov edx, dword [ebp+NTFS.Length+4] |
1783 | mov edx, dword [ebp+NTFS.Length+4] |
1786 | shld edx, eax, 9 |
1784 | shld edx, eax, 9 |
1787 | shl eax, 9 |
1785 | shl eax, 9 |
1788 | mov [edi+36], edx |
1786 | mov [edi+36], edx |
1789 | mov [edi+32], eax |
1787 | mov [edi+32], eax |
- | 1788 | mov eax, [ebx+8] |
|
- | 1789 | mov byte [edi], 8 |
|
- | 1790 | mov [edi+4], eax |
|
- | 1791 | test eax, eax |
|
- | 1792 | jz @b |
|
- | 1793 | call ntfs_lock |
|
1790 | add edi, 40 |
1794 | add edi, 40 |
1791 | mov [ebp+NTFS.cur_buf], edi |
1795 | mov [ebp+NTFS.cur_buf], edi |
1792 | mov [ebp+NTFS.cur_iRecord], 3 |
1796 | mov [ebp+NTFS.cur_iRecord], 3 |
1793 | mov [ebp+NTFS.cur_attr], 0x60 |
1797 | mov [ebp+NTFS.cur_attr], 0x60 |
1794 | mov [ebp+NTFS.cur_offs], 0 |
1798 | mov [ebp+NTFS.cur_offs], 0 |
1795 | mov [ebp+NTFS.cur_size], 1 |
1799 | mov [ebp+NTFS.cur_size], 1 |
1796 | call ntfs_read_attr |
1800 | call ntfs_read_attr |
1797 | jc ntfsFail |
1801 | jc ntfsFail |
1798 | mov ecx, [ebp+NTFS.cur_read] |
1802 | mov ecx, [ebp+NTFS.cur_read] |
1799 | mov [edi+ecx], ax |
1803 | mov [edi+ecx], ax |
1800 | cmp byte [ebx+8], 2 |
1804 | cmp byte [ebx+8], 2 |
1801 | jz .end |
1805 | jz .end |
1802 | shr ecx, 1 |
1806 | shr ecx, 1 |
1803 | jz .end |
1807 | jz .end |
1804 | mov esi, edi |
1808 | mov esi, edi |
1805 | cmp byte [ebx+8], 3 |
1809 | cmp byte [ebx+8], 3 |
1806 | jnz @f |
1810 | jnz @f |
1807 | shl ecx, 1 |
1811 | shl ecx, 1 |
1808 | call UTF16to8_string |
1812 | call UTF16to8_string |
1809 | mov byte [edi], 0 |
1813 | mov byte [edi], 0 |
1810 | jmp .end |
1814 | jmp .end |
1811 | 1815 | ||
1812 | @@: |
1816 | @@: |
1813 | lodsw |
1817 | lodsw |
1814 | call uni2ansi_char |
1818 | call uni2ansi_char |
1815 | stosb |
1819 | stosb |
1816 | loop @b |
1820 | loop @b |
1817 | mov byte [edi], 0 |
1821 | mov byte [edi], 0 |
1818 | jmp .end |
1822 | jmp .end |
1819 | 1823 | ||
1820 | ;---------------------------------------------------------------- |
1824 | ;---------------------------------------------------------------- |
1821 | ntfs_CreateFolder: |
1825 | ntfs_CreateFolder: |
1822 | mov [ebp+NTFS.bFolder], 1 |
1826 | mov [ebp+NTFS.bFolder], 1 |
1823 | jmp @f |
1827 | jmp @f |
1824 | 1828 | ||
1825 | ntfs_CreateFile: |
1829 | ntfs_CreateFile: |
1826 | mov [ebp+NTFS.bFolder], 0 |
1830 | mov [ebp+NTFS.bFolder], 0 |
1827 | @@: ; 1. Search file |
1831 | @@: ; 1. Search file |
1828 | call ntfs_lock |
1832 | call ntfs_lock |
1829 | call ntfs_find_lfn |
1833 | call ntfs_find_lfn |
1830 | jc .notFound |
1834 | jc .notFound |
1831 | ; found, rewrite |
1835 | ; found, rewrite |
1832 | cmp [ebp+NTFS.cur_iRecord], 16 |
1836 | cmp [ebp+NTFS.cur_iRecord], 16 |
1833 | jc ntfsDenied |
1837 | jc ntfsDenied |
1834 | cmp [ebp+NTFS.bFolder], 1 |
1838 | cmp [ebp+NTFS.bFolder], 1 |
1835 | jz .folder |
1839 | jz .folder |
1836 | test byte [eax+fileFlags], 1 |
1840 | test byte [eax+fileFlags], 1 |
1837 | jnz ntfsDenied |
1841 | jnz ntfsDenied |
1838 | cmp [ebp+NTFS.fragmentCount], 1 |
1842 | cmp [ebp+NTFS.fragmentCount], 1 |
1839 | jnz ntfsUnsupported ; record fragmented |
1843 | jnz ntfsUnsupported ; record fragmented |
1840 | ; edit directory node |
1844 | ; edit directory node |
1841 | mov edi, [ebp+NTFS.cur_index_buf] |
1845 | mov edi, [ebp+NTFS.cur_index_buf] |
1842 | cmp dword [edi], 'INDX' |
1846 | cmp dword [edi], 'INDX' |
1843 | jz @f |
1847 | jz @f |
1844 | mov esi, [ebp+NTFS.frs_buffer] |
1848 | mov esi, [ebp+NTFS.frs_buffer] |
1845 | mov ecx, [esi+recordRealSize] |
1849 | mov ecx, [esi+recordRealSize] |
1846 | shr ecx, 2 |
1850 | shr ecx, 2 |
1847 | rep movsd |
1851 | rep movsd |
1848 | mov esi, [ebp+NTFS.attr_offs] |
1852 | mov esi, [ebp+NTFS.attr_offs] |
1849 | mov cl, [esi+attributeOffset] |
1853 | mov cl, [esi+attributeOffset] |
1850 | sub esi, [ebp+NTFS.frs_buffer] |
1854 | sub esi, [ebp+NTFS.frs_buffer] |
1851 | add eax, ecx |
1855 | add eax, ecx |
1852 | add eax, esi |
1856 | add eax, esi |
1853 | @@: |
1857 | @@: |
1854 | mov edi, eax |
1858 | mov edi, eax |
1855 | mov eax, [ebx+12] |
1859 | mov eax, [ebx+12] |
1856 | mov [edi+fileRealSize], eax |
1860 | mov [edi+fileRealSize], eax |
1857 | mov dword [edi+fileRealSize+4], 0 |
1861 | mov dword [edi+fileRealSize+4], 0 |
1858 | push ebx eax |
1862 | push ebx eax |
1859 | call ntfsGetTime |
1863 | call ntfsGetTime |
1860 | mov [edi+fileModified], eax |
1864 | mov [edi+fileModified], eax |
1861 | mov [edi+fileModified+4], edx |
1865 | mov [edi+fileModified+4], edx |
1862 | mov [edi+recordModified], eax |
1866 | mov [edi+recordModified], eax |
1863 | mov [edi+recordModified+4], edx |
1867 | mov [edi+recordModified+4], edx |
1864 | mov [edi+fileAccessed], eax |
1868 | mov [edi+fileAccessed], eax |
1865 | mov [edi+fileAccessed+4], edx |
1869 | mov [edi+fileAccessed+4], edx |
1866 | pop edx ebx |
1870 | pop edx ebx |
1867 | mov eax, [ebp+NTFS.LastRead] |
1871 | mov eax, [ebp+NTFS.LastRead] |
1868 | mov [ebp+NTFS.nodeLastRead], eax |
1872 | mov [ebp+NTFS.nodeLastRead], eax |
1869 | mov [ebp+NTFS.cur_attr], 0x80 |
1873 | mov [ebp+NTFS.cur_attr], 0x80 |
1870 | mov [ebp+NTFS.cur_offs], 0 |
1874 | mov [ebp+NTFS.cur_offs], 0 |
1871 | mov [ebp+NTFS.cur_size], 0 |
1875 | mov [ebp+NTFS.cur_size], 0 |
1872 | call ntfs_read_attr |
1876 | call ntfs_read_attr |
1873 | jc ntfsFail |
1877 | jc ntfsFail |
1874 | mov esi, edi |
1878 | mov esi, edi |
1875 | mov edi, [ebp+NTFS.frs_buffer] |
1879 | mov edi, [ebp+NTFS.frs_buffer] |
1876 | cmp word [edi+baseRecordReuse], 0 |
1880 | cmp word [edi+baseRecordReuse], 0 |
1877 | jnz ntfsUnsupported ; auxiliary record |
1881 | jnz ntfsUnsupported ; auxiliary record |
1878 | mov al, [edi+attributeOffset] |
1882 | mov al, [edi+attributeOffset] |
1879 | add edi, eax |
1883 | add edi, eax |
1880 | mov al, [edi+attributeOffset] |
1884 | mov al, [edi+attributeOffset] |
1881 | add edi, eax |
1885 | add edi, eax |
1882 | mov ecx, 6 |
1886 | mov ecx, 6 |
1883 | add esi, fileModified |
1887 | add esi, fileModified |
1884 | add edi, 8 |
1888 | add edi, 8 |
1885 | rep movsd |
1889 | rep movsd |
1886 | mov eax, edx |
1890 | mov eax, edx |
1887 | xor edx, edx |
1891 | xor edx, edx |
1888 | mov ecx, [ebp+NTFS.attr_offs] |
1892 | mov ecx, [ebp+NTFS.attr_offs] |
1889 | cmp word [ecx+attributeFlags], 0 |
1893 | cmp word [ecx+attributeFlags], 0 |
1890 | jnz ntfsUnsupported |
1894 | jnz ntfsUnsupported |
1891 | push ebx |
1895 | push ebx |
1892 | cmp byte [ecx+nonResidentFlag], 0 |
1896 | cmp byte [ecx+nonResidentFlag], 0 |
1893 | jz @f |
1897 | jz @f |
1894 | cmp [ecx+attributeRealSize+4], edx |
1898 | cmp [ecx+attributeRealSize+4], edx |
1895 | jnz @f |
1899 | jnz @f |
1896 | cmp [ecx+attributeRealSize], eax |
1900 | cmp [ecx+attributeRealSize], eax |
1897 | jz ntfs_WriteFile.writeNode |
1901 | jz ntfs_WriteFile.writeNode |
1898 | @@: |
1902 | @@: |
1899 | jmp ntfs_WriteFile.resizeAttribute |
1903 | jmp ntfs_WriteFile.resizeAttribute |
1900 | 1904 | ||
1901 | .folder: |
1905 | .folder: |
1902 | bt dword [eax+fileFlags], 28 |
1906 | bt dword [eax+fileFlags], 28 |
1903 | jnc ntfsDenied |
1907 | jnc ntfsDenied |
1904 | push 0 |
1908 | push 0 |
1905 | jmp ntfsOut |
1909 | jmp ntfsOut |
1906 | 1910 | ||
1907 | .notFound: ; create |
1911 | .notFound: ; create |
1908 | test eax, eax |
1912 | test eax, eax |
1909 | jz ntfsFail |
1913 | jz ntfsFail |
1910 | cmp [ebp+NTFS.fragmentCount], 1 |
1914 | cmp [ebp+NTFS.fragmentCount], 1 |
1911 | jnz ntfsUnsupported ; record fragmented |
1915 | jnz ntfsUnsupported ; record fragmented |
1912 | ; 2. Prepare directory record |
1916 | ; 2. Prepare directory record |
1913 | mov edi, esi |
1917 | mov edi, esi |
1914 | mov edx, eax |
1918 | mov edx, eax |
1915 | xor ecx, ecx |
1919 | xor ecx, ecx |
1916 | @@: ; count characters |
1920 | @@: ; count characters |
1917 | call utf8to16 |
1921 | call utf8to16 |
1918 | cmp ax, '/' |
1922 | cmp ax, '/' |
1919 | jz ntfsNotFound ; path folder not found |
1923 | jz ntfsNotFound ; path folder not found |
1920 | inc ecx |
1924 | inc ecx |
1921 | test ax, ax |
1925 | test ax, ax |
1922 | jnz @b |
1926 | jnz @b |
1923 | dec ecx |
1927 | dec ecx |
1924 | push ecx ; name length in chars |
1928 | push ecx ; name length in chars |
1925 | push edi |
1929 | push edi |
1926 | shl ecx, 1 |
1930 | shl ecx, 1 |
1927 | add ecx, fileName+7 |
1931 | add ecx, fileName+7 |
1928 | and ecx, not 7 |
1932 | and ecx, not 7 |
1929 | mov edi, [ebp+NTFS.cur_index_buf] |
1933 | mov edi, [ebp+NTFS.cur_index_buf] |
1930 | mov eax, [ebx+12] |
1934 | mov eax, [ebx+12] |
1931 | mov [ebp+NTFS.fileRealSize], eax |
1935 | mov [ebp+NTFS.fileRealSize], eax |
1932 | mov eax, [ebx+16] |
1936 | mov eax, [ebx+16] |
1933 | mov [ebp+NTFS.fileDataBuffer], eax |
1937 | mov [ebp+NTFS.fileDataBuffer], eax |
1934 | push ecx ; index length |
1938 | push ecx ; index length |
1935 | mov eax, edx |
1939 | mov eax, edx |
1936 | mov edx, ecx |
1940 | mov edx, ecx |
1937 | cmp dword [edi], 'INDX' |
1941 | cmp dword [edi], 'INDX' |
1938 | jz .indexRecord |
1942 | jz .indexRecord |
1939 | mov esi, [ebp+NTFS.frs_buffer] ; indexRoot |
1943 | mov esi, [ebp+NTFS.frs_buffer] ; indexRoot |
1940 | mov ecx, [esi+recordRealSize] |
1944 | mov ecx, [esi+recordRealSize] |
1941 | add edx, ecx |
1945 | add edx, ecx |
1942 | cmp [esi+recordAllocatedSize], edx |
1946 | cmp [esi+recordAllocatedSize], edx |
1943 | jc .growTree |
1947 | jc .growTree |
1944 | mov [esi+recordRealSize], edx |
1948 | mov [esi+recordRealSize], edx |
1945 | shr ecx, 2 |
1949 | shr ecx, 2 |
1946 | rep movsd |
1950 | rep movsd |
1947 | mov edi, [ebp+NTFS.indexRoot] |
1951 | mov edi, [ebp+NTFS.indexRoot] |
1948 | sub edi, [ebp+NTFS.frs_buffer] |
1952 | sub edi, [ebp+NTFS.frs_buffer] |
1949 | add edi, [ebp+NTFS.cur_index_buf] |
1953 | add edi, [ebp+NTFS.cur_index_buf] |
1950 | mov esi, [esp] |
1954 | mov esi, [esp] |
1951 | add [edi+sizeWithHeader], esi |
1955 | add [edi+sizeWithHeader], esi |
1952 | add [edi+sizeWithoutHeader], esi |
1956 | add [edi+sizeWithoutHeader], esi |
1953 | mov cl, [edi+attributeOffset] |
1957 | mov cl, [edi+attributeOffset] |
1954 | add edi, ecx |
1958 | add edi, ecx |
1955 | add [edi+rootNode+nodeRealSize], esi |
1959 | add [edi+rootNode+nodeRealSize], esi |
1956 | add [edi+rootNode+nodeAllocatedSize], esi |
1960 | add [edi+rootNode+nodeAllocatedSize], esi |
1957 | sub eax, [ebp+NTFS.cur_index_buf] |
1961 | sub eax, [ebp+NTFS.cur_index_buf] |
1958 | add eax, edi |
1962 | add eax, edi |
1959 | mov edi, [ebp+NTFS.cur_index_buf] |
1963 | mov edi, [ebp+NTFS.cur_index_buf] |
1960 | jmp .common |
1964 | jmp .common |
1961 | 1965 | ||
1962 | .growTree: ; create indexRecord |
1966 | .growTree: ; create indexRecord |
1963 | mov edi, [ebp+NTFS.cur_index_buf] |
1967 | mov edi, [ebp+NTFS.cur_index_buf] |
1964 | mov ecx, 10 |
1968 | mov ecx, 10 |
1965 | xor eax, eax |
1969 | xor eax, eax |
1966 | rep stosd |
1970 | rep stosd |
1967 | mov esi, [ebp+NTFS.indexRoot] |
1971 | mov esi, [ebp+NTFS.indexRoot] |
1968 | mov al, [esi+attributeOffset] |
1972 | mov al, [esi+attributeOffset] |
1969 | add esi, eax |
1973 | add esi, eax |
1970 | rdtsc |
1974 | rdtsc |
1971 | stosw |
1975 | stosw |
1972 | mov eax, [esi+indexRecordSize] |
1976 | mov eax, [esi+indexRecordSize] |
1973 | cmp eax, [ebp+NTFS.frs_size] |
1977 | cmp eax, [ebp+NTFS.frs_size] |
1974 | jc .errorPop3 |
1978 | jc .errorPop3 |
1975 | shr eax, 9 |
1979 | shr eax, 9 |
1976 | inc eax |
1980 | inc eax |
1977 | mov edi, [ebp+NTFS.cur_index_buf] |
1981 | mov edi, [ebp+NTFS.cur_index_buf] |
1978 | mov dword[edi], 'INDX' |
1982 | mov dword[edi], 'INDX' |
1979 | mov byte [edi+updateSequenceOffset], 28h |
1983 | mov byte [edi+updateSequenceOffset], 28h |
1980 | mov [edi+updateSequenceSize], al |
1984 | mov [edi+updateSequenceSize], al |
1981 | add edi, recordNode |
1985 | add edi, recordNode |
1982 | shl eax, 1 |
1986 | shl eax, 1 |
1983 | add eax, 28h-recordNode+7 |
1987 | add eax, 28h-recordNode+7 |
1984 | and eax, not 7 |
1988 | and eax, not 7 |
1985 | mov [edi+indexOffset], eax |
1989 | mov [edi+indexOffset], eax |
1986 | mov ecx, [esi+indexRecordSize] |
1990 | mov ecx, [esi+indexRecordSize] |
1987 | sub ecx, recordNode |
1991 | sub ecx, recordNode |
1988 | mov [edi+nodeAllocatedSize], ecx |
1992 | mov [edi+nodeAllocatedSize], ecx |
1989 | add esi, rootNode |
1993 | add esi, rootNode |
1990 | push esi |
1994 | push esi |
1991 | mov ecx, [esi+nodeRealSize] |
1995 | mov ecx, [esi+nodeRealSize] |
1992 | sub ecx, [esi+indexOffset] |
1996 | sub ecx, [esi+indexOffset] |
1993 | add eax, ecx |
1997 | add eax, ecx |
1994 | mov [edi+nodeRealSize], eax |
1998 | mov [edi+nodeRealSize], eax |
1995 | mov eax, [esi+nonLeafFlag] |
1999 | mov eax, [esi+nonLeafFlag] |
1996 | mov [edi+nonLeafFlag], eax |
2000 | mov [edi+nonLeafFlag], eax |
1997 | shr ecx, 2 |
2001 | shr ecx, 2 |
1998 | add esi, [esi+indexOffset] |
2002 | add esi, [esi+indexOffset] |
1999 | add edi, [edi+indexOffset] |
2003 | add edi, [edi+indexOffset] |
2000 | rep movsd ; copy root indexes |
2004 | rep movsd ; copy root indexes |
2001 | ; clear root node |
2005 | ; clear root node |
2002 | mov cl, 10 |
2006 | mov cl, 10 |
2003 | mov edi, [esp] |
2007 | mov edi, [esp] |
2004 | xor eax, eax |
2008 | xor eax, eax |
2005 | rep stosd |
2009 | rep stosd |
2006 | pop edi |
2010 | pop edi |
2007 | mov byte [edi+indexOffset], 16 |
2011 | mov byte [edi+indexOffset], 16 |
2008 | mov byte [edi+nodeRealSize], 28h |
2012 | mov byte [edi+nodeRealSize], 28h |
2009 | mov byte [edi+nodeAllocatedSize], 28h |
2013 | mov byte [edi+nodeAllocatedSize], 28h |
2010 | mov byte [edi+nonLeafFlag], 1 |
2014 | mov byte [edi+nonLeafFlag], 1 |
2011 | mov byte [edi+16+indexAllocatedSize], 18h |
2015 | mov byte [edi+16+indexAllocatedSize], 18h |
2012 | mov byte [edi+16+indexFlags], 3 |
2016 | mov byte [edi+16+indexFlags], 3 |
2013 | mov esi, [ebp+NTFS.indexRoot] |
2017 | mov esi, [ebp+NTFS.indexRoot] |
2014 | add edi, 28h |
2018 | add edi, 28h |
2015 | mov eax, edi |
2019 | mov eax, edi |
2016 | sub eax, esi |
2020 | sub eax, esi |
2017 | mov word [esi+sizeWithoutHeader], 38h |
2021 | mov word [esi+sizeWithoutHeader], 38h |
2018 | xchg [esi+sizeWithHeader], eax |
2022 | xchg [esi+sizeWithHeader], eax |
2019 | add esi, eax |
2023 | add esi, eax |
2020 | mov [ebp+NTFS.attr_offs], edi |
2024 | mov [ebp+NTFS.attr_offs], edi |
2021 | cmp byte [esi], 0xA0 |
2025 | cmp byte [esi], 0xA0 |
2022 | jnz @f |
2026 | jnz @f |
2023 | cmp dword [esi+attributeAllocatedSize], 0 |
2027 | cmp dword [esi+attributeAllocatedSize], 0 |
2024 | jz @f |
2028 | jz @f |
2025 | mov eax, [ebp+NTFS.frs_buffer] |
2029 | mov eax, [ebp+NTFS.frs_buffer] |
2026 | mov ecx, eax |
2030 | mov ecx, eax |
2027 | add ecx, [eax+recordRealSize] |
2031 | add ecx, [eax+recordRealSize] |
2028 | sub ecx, esi |
2032 | sub ecx, esi |
2029 | shr ecx, 2 |
2033 | shr ecx, 2 |
2030 | rep movsd |
2034 | rep movsd |
2031 | sub edi, eax |
2035 | sub edi, eax |
2032 | mov [eax+recordRealSize], edi |
2036 | mov [eax+recordRealSize], edi |
2033 | call .ntfsNodeAlloc |
2037 | call .ntfsNodeAlloc |
2034 | jc ntfsErrorPop3 |
2038 | jc ntfsErrorPop3 |
2035 | mov eax, [ebp+NTFS.newRecord] |
2039 | mov eax, [ebp+NTFS.newRecord] |
2036 | mov edi, [ebp+NTFS.cur_index_buf] |
2040 | mov edi, [ebp+NTFS.cur_index_buf] |
2037 | mov [edi+recordVCN], eax |
2041 | mov [edi+recordVCN], eax |
2038 | mov edi, [ebp+NTFS.attr_offs] |
2042 | mov edi, [ebp+NTFS.attr_offs] |
2039 | mov [edi-8], eax |
2043 | mov [edi-8], eax |
2040 | jmp .refresh |
2044 | jmp .refresh |
2041 | 2045 | ||
2042 | @@: |
2046 | @@: |
2043 | mov cl, 32 |
2047 | mov cl, 32 |
2044 | xor eax, eax |
2048 | xor eax, eax |
2045 | rep stosd |
2049 | rep stosd |
2046 | mov eax, [ebp+NTFS.cur_subnode_size] |
2050 | mov eax, [ebp+NTFS.cur_subnode_size] |
2047 | cmp eax, [ebp+NTFS.cur_size] |
2051 | cmp eax, [ebp+NTFS.cur_size] |
2048 | jnz @f |
2052 | jnz @f |
2049 | cmp [ebp+NTFS.sectors_per_cluster], 1 |
2053 | cmp [ebp+NTFS.sectors_per_cluster], 1 |
2050 | jz @f |
2054 | jz @f |
2051 | mov al, 1 |
2055 | mov al, 1 |
2052 | @@: |
2056 | @@: |
2053 | mov [ebp+NTFS.fileDataSize], eax |
2057 | mov [ebp+NTFS.fileDataSize], eax |
2054 | mov edi, [ebp+NTFS.BitmapStart] |
2058 | mov edi, [ebp+NTFS.BitmapStart] |
2055 | call ntfsSpaceAlloc |
2059 | call ntfsSpaceAlloc |
2056 | movi eax, ERROR_DISK_FULL |
2060 | movi eax, ERROR_DISK_FULL |
2057 | jc ntfsErrorPop3 |
2061 | jc ntfsErrorPop3 |
2058 | ; create $IndexAllocation |
2062 | ; create $IndexAllocation |
2059 | mov edi, [ebp+NTFS.attr_offs] |
2063 | mov edi, [ebp+NTFS.attr_offs] |
2060 | mov byte [edi+attributeType], 0xA0 |
2064 | mov byte [edi+attributeType], 0xA0 |
2061 | mov byte [edi+nonResidentFlag], 1 |
2065 | mov byte [edi+nonResidentFlag], 1 |
2062 | mov byte [edi+nameLength], 4 |
2066 | mov byte [edi+nameLength], 4 |
2063 | mov byte [edi+nameOffset], 40h |
2067 | mov byte [edi+nameOffset], 40h |
2064 | mov byte [edi+dataRunsOffset], 48h |
2068 | mov byte [edi+dataRunsOffset], 48h |
2065 | mov byte [edi+sizeWithHeader], 50h |
2069 | mov byte [edi+sizeWithHeader], 50h |
2066 | mov eax, [ebp+NTFS.fileDataSize] |
2070 | mov eax, [ebp+NTFS.fileDataSize] |
2067 | dec eax |
2071 | dec eax |
2068 | mov [edi+lastVCN], eax |
2072 | mov [edi+lastVCN], eax |
2069 | inc eax |
2073 | inc eax |
2070 | mul [ebp+NTFS.sectors_per_cluster] |
2074 | mul [ebp+NTFS.sectors_per_cluster] |
2071 | shl eax, 9 |
2075 | shl eax, 9 |
2072 | mov [edi+attributeAllocatedSize], eax |
2076 | mov [edi+attributeAllocatedSize], eax |
2073 | mov [edi+attributeRealSize], eax |
2077 | mov [edi+attributeRealSize], eax |
2074 | mov [edi+initialDataSize], eax |
2078 | mov [edi+initialDataSize], eax |
2075 | mov dword[edi+40h], 490024h ; unicode $I30 |
2079 | mov dword[edi+40h], 490024h ; unicode $I30 |
2076 | mov dword[edi+40h+4], 300033h |
2080 | mov dword[edi+40h+4], 300033h |
2077 | push edi |
2081 | push edi |
2078 | mov esi, edi |
2082 | mov esi, edi |
2079 | add edi, 48h |
2083 | add edi, 48h |
2080 | call createMcbEntry |
2084 | call createMcbEntry |
2081 | mov esi, [ebp+NTFS.frs_buffer] |
2085 | mov esi, [ebp+NTFS.frs_buffer] |
2082 | pop edi |
2086 | pop edi |
2083 | mov al, [esi+newAttributeID] |
2087 | mov al, [esi+newAttributeID] |
2084 | mov [edi+attributeID], al |
2088 | mov [edi+attributeID], al |
2085 | add edi, 50h |
2089 | add edi, 50h |
2086 | inc eax |
2090 | inc eax |
2087 | ; create $Bitmap |
2091 | ; create $Bitmap |
2088 | mov [edi+attributeID], al |
2092 | mov [edi+attributeID], al |
2089 | inc eax |
2093 | inc eax |
2090 | mov [esi+newAttributeID], al |
2094 | mov [esi+newAttributeID], al |
2091 | mov byte [edi+attributeType], 0xB0 |
2095 | mov byte [edi+attributeType], 0xB0 |
2092 | mov byte [edi+nameLength], 4 |
2096 | mov byte [edi+nameLength], 4 |
2093 | mov byte [edi+nameOffset], 18h |
2097 | mov byte [edi+nameOffset], 18h |
2094 | mov byte [edi+attributeOffset], 20h |
2098 | mov byte [edi+attributeOffset], 20h |
2095 | mov byte [edi+sizeWithoutHeader], 8 |
2099 | mov byte [edi+sizeWithoutHeader], 8 |
2096 | mov byte [edi+sizeWithHeader], 28h |
2100 | mov byte [edi+sizeWithHeader], 28h |
2097 | mov dword[edi+18h], 490024h ; unicode $I30 |
2101 | mov dword[edi+18h], 490024h ; unicode $I30 |
2098 | mov dword[edi+18h+4], 300033h |
2102 | mov dword[edi+18h+4], 300033h |
2099 | mov byte [edi+20h], 1 |
2103 | mov byte [edi+20h], 1 |
2100 | mov dword[edi+28h], -1 |
2104 | mov dword[edi+28h], -1 |
2101 | add edi, 30h |
2105 | add edi, 30h |
2102 | sub edi, esi |
2106 | sub edi, esi |
2103 | mov [esi+recordRealSize], edi |
2107 | mov [esi+recordRealSize], edi |
2104 | mov eax, [ebp+NTFS.fileDataStart] |
2108 | mov eax, [ebp+NTFS.fileDataStart] |
2105 | mul [ebp+NTFS.sectors_per_cluster] |
2109 | mul [ebp+NTFS.sectors_per_cluster] |
2106 | mov edx, eax |
2110 | mov edx, eax |
2107 | jmp @f |
2111 | jmp @f |
2108 | 2112 | ||
2109 | .refresh: |
2113 | .refresh: |
2110 | mov [ebp+NTFS.cur_size], 0 |
2114 | mov [ebp+NTFS.cur_size], 0 |
2111 | call ntfs_read_attr.continue |
2115 | call ntfs_read_attr.continue |
2112 | movi eax, ERROR_FS_FAIL |
2116 | movi eax, ERROR_FS_FAIL |
2113 | jc ntfsErrorPop3 |
2117 | jc ntfsErrorPop3 |
2114 | mov edx, [ebp+NTFS.LastRead] |
2118 | mov edx, [ebp+NTFS.LastRead] |
2115 | @@: |
2119 | @@: |
2116 | mov ebx, [ebp+NTFS.cur_index_buf] |
2120 | mov ebx, [ebp+NTFS.cur_index_buf] |
2117 | call writeRecord |
2121 | call writeRecord |
2118 | mov ebx, [ebp+NTFS.frs_buffer] |
2122 | mov ebx, [ebp+NTFS.frs_buffer] |
2119 | mov edx, [ebp+NTFS.rootLastRead] |
2123 | mov edx, [ebp+NTFS.rootLastRead] |
2120 | call writeRecord |
2124 | call writeRecord |
2121 | mov esi, [esp+4] |
2125 | mov esi, [esp+4] |
2122 | call ntfs_find_lfn.doit2 |
2126 | call ntfs_find_lfn.doit2 |
2123 | test eax, eax |
2127 | test eax, eax |
2124 | jz .errorPop3 |
2128 | jz .errorPop3 |
2125 | mov edi, [ebp+NTFS.cur_index_buf] |
2129 | mov edi, [ebp+NTFS.cur_index_buf] |
2126 | mov edx, [esp] |
2130 | mov edx, [esp] |
2127 | .indexRecord: |
2131 | .indexRecord: |
2128 | add edi, recordNode |
2132 | add edi, recordNode |
2129 | add edx, [edi+nodeRealSize] |
2133 | add edx, [edi+nodeRealSize] |
2130 | cmp [edi+nodeAllocatedSize], edx |
2134 | cmp [edi+nodeAllocatedSize], edx |
2131 | jc .arborizeTree |
2135 | jc .arborizeTree |
2132 | mov [edi+nodeRealSize], edx |
2136 | mov [edi+nodeRealSize], edx |
2133 | jmp .common |
2137 | jmp .common |
2134 | 2138 | ||
2135 | .errorPop3: |
2139 | .errorPop3: |
2136 | add esp, 12 |
2140 | add esp, 12 |
2137 | jmp ntfsUnsupported |
2141 | jmp ntfsUnsupported |
2138 | 2142 | ||
2139 | .ntfsNodeAlloc: |
2143 | .ntfsNodeAlloc: |
2140 | ; in: [ebp+NTFS.attr_offs] -> $IndexAllocation |
2144 | ; in: [ebp+NTFS.attr_offs] -> $IndexAllocation |
2141 | ; out: |
2145 | ; out: |
2142 | ; [ebp+NTFS.newRecord] = node VCN |
2146 | ; [ebp+NTFS.newRecord] = node VCN |
2143 | ; [ebp+NTFS.cur_offs] |
2147 | ; [ebp+NTFS.cur_offs] |
2144 | ; CF=1 -> eax = error code |
2148 | ; CF=1 -> eax = error code |
2145 | mov esi, [ebp+NTFS.attr_offs] |
2149 | mov esi, [ebp+NTFS.attr_offs] |
2146 | add esi, [esi+sizeWithHeader] |
2150 | add esi, [esi+sizeWithHeader] |
2147 | cmp byte [esi], 0xB0 |
2151 | cmp byte [esi], 0xB0 |
2148 | jnz .ret |
2152 | jnz .ret |
2149 | movzx ecx, word [esi+sizeWithoutHeader] |
2153 | movzx ecx, word [esi+sizeWithoutHeader] |
2150 | shr ecx, 2 |
2154 | shr ecx, 2 |
2151 | movzx edi, byte [esi+attributeOffset] |
2155 | movzx edi, byte [esi+attributeOffset] |
2152 | add edi, esi |
2156 | add edi, esi |
2153 | mov edx, edi |
2157 | mov edx, edi |
2154 | or eax, -1 |
2158 | or eax, -1 |
2155 | repz scasd |
2159 | repz scasd |
2156 | jnz @f |
2160 | jnz @f |
2157 | cmp [edi], eax |
2161 | cmp [edi], eax |
2158 | jnz .ret |
2162 | jnz .ret |
2159 | ; extend folder $Bitmap |
2163 | ; extend folder $Bitmap |
2160 | add word [esi+sizeWithHeader], 8 |
2164 | add word [esi+sizeWithHeader], 8 |
2161 | add word [esi+sizeWithoutHeader], 8 |
2165 | add word [esi+sizeWithoutHeader], 8 |
2162 | mov esi, [ebp+NTFS.frs_buffer] |
2166 | mov esi, [ebp+NTFS.frs_buffer] |
2163 | mov eax, [esi+recordRealSize] |
2167 | mov eax, [esi+recordRealSize] |
2164 | add eax, 8 |
2168 | add eax, 8 |
2165 | cmp [esi+recordAllocatedSize], eax |
2169 | cmp [esi+recordAllocatedSize], eax |
2166 | jc .ret |
2170 | jc .ret |
2167 | mov [esi+recordRealSize], eax |
2171 | mov [esi+recordRealSize], eax |
2168 | xor eax, eax |
2172 | xor eax, eax |
2169 | stosd |
2173 | stosd |
2170 | mov [edi], eax |
2174 | mov [edi], eax |
2171 | mov [edi+8], eax |
2175 | mov [edi+8], eax |
2172 | dec eax |
2176 | dec eax |
2173 | mov [edi+4], eax |
2177 | mov [edi+4], eax |
2174 | @@: |
2178 | @@: |
2175 | sub edi, 4 |
2179 | sub edi, 4 |
2176 | mov eax, [edi] |
2180 | mov eax, [edi] |
2177 | not eax |
2181 | not eax |
2178 | bsf eax, eax |
2182 | bsf eax, eax |
2179 | bts [edi], eax |
2183 | bts [edi], eax |
2180 | sub edi, edx |
2184 | sub edi, edx |
2181 | shl edi, 3 |
2185 | shl edi, 3 |
2182 | add eax, edi |
2186 | add eax, edi |
2183 | mul [ebp+NTFS.cur_subnode_size] |
2187 | mul [ebp+NTFS.cur_subnode_size] |
2184 | mov [ebp+NTFS.newRecord], eax |
2188 | mov [ebp+NTFS.newRecord], eax |
2185 | mov ecx, [ebp+NTFS.cur_size] |
2189 | mov ecx, [ebp+NTFS.cur_size] |
2186 | cmp ecx, [ebp+NTFS.cur_subnode_size] |
2190 | cmp ecx, [ebp+NTFS.cur_subnode_size] |
2187 | jz @f |
2191 | jz @f |
2188 | mul [ebp+NTFS.sectors_per_cluster] |
2192 | mul [ebp+NTFS.sectors_per_cluster] |
2189 | @@: |
2193 | @@: |
2190 | mov [ebp+NTFS.cur_offs], eax |
2194 | mov [ebp+NTFS.cur_offs], eax |
2191 | add eax, ecx |
2195 | add eax, ecx |
2192 | shl eax, 9 |
2196 | shl eax, 9 |
2193 | mov esi, [ebp+NTFS.attr_offs] |
2197 | mov esi, [ebp+NTFS.attr_offs] |
2194 | cmp [esi+attributeAllocatedSize], eax |
2198 | cmp [esi+attributeAllocatedSize], eax |
2195 | jnc @f |
2199 | jnc @f |
2196 | xor edx, edx |
2200 | xor edx, edx |
2197 | jmp resizeAttribute |
2201 | jmp resizeAttribute |
2198 | 2202 | ||
2199 | .ret: |
2203 | .ret: |
2200 | movi eax, ERROR_UNSUPPORTED_FS |
2204 | movi eax, ERROR_UNSUPPORTED_FS |
2201 | stc |
2205 | stc |
2202 | @@: |
2206 | @@: |
2203 | ret |
2207 | ret |
2204 | 2208 | ||
2205 | .arborizeTree: ; find median index |
2209 | .arborizeTree: ; find median index |
2206 | mov ecx, [edi+nodeRealSize] |
2210 | mov ecx, [edi+nodeRealSize] |
2207 | sub ecx, [edi+indexOffset] |
2211 | sub ecx, [edi+indexOffset] |
2208 | shr ecx, 1 |
2212 | shr ecx, 1 |
2209 | add edi, [edi+indexOffset] |
2213 | add edi, [edi+indexOffset] |
2210 | xor eax, eax |
2214 | xor eax, eax |
2211 | @@: |
2215 | @@: |
2212 | add edi, eax |
2216 | add edi, eax |
2213 | mov ax, [edi+indexAllocatedSize] |
2217 | mov ax, [edi+indexAllocatedSize] |
2214 | sub ecx, eax |
2218 | sub ecx, eax |
2215 | jnc @b |
2219 | jnc @b |
2216 | add eax, 8 |
2220 | add eax, 8 |
2217 | mov esi, [ebp+NTFS.secondIndexBuffer] |
2221 | mov esi, [ebp+NTFS.secondIndexBuffer] |
2218 | cmp dword [esi], 'INDX' |
2222 | cmp dword [esi], 'INDX' |
2219 | jz @f |
2223 | jz @f |
2220 | ; move index to the root node |
2224 | ; move index to the root node |
2221 | mov esi, [ebp+NTFS.frs_buffer] |
2225 | mov esi, [ebp+NTFS.frs_buffer] |
2222 | mov ecx, eax |
2226 | mov ecx, eax |
2223 | add ecx, 8 |
2227 | add ecx, 8 |
2224 | add ecx, [esi+recordRealSize] |
2228 | add ecx, [esi+recordRealSize] |
2225 | cmp [esi+recordAllocatedSize], ecx |
2229 | cmp [esi+recordAllocatedSize], ecx |
2226 | jc .growTree |
2230 | jc .growTree |
2227 | push edi eax |
2231 | push edi eax |
2228 | call .ntfsNodeAlloc |
2232 | call .ntfsNodeAlloc |
2229 | jc ntfsErrorPop5 |
2233 | jc ntfsErrorPop5 |
2230 | pop eax |
2234 | pop eax |
2231 | mov edi, [ebp+NTFS.indexRoot] |
2235 | mov edi, [ebp+NTFS.indexRoot] |
2232 | add [ebp+NTFS.attr_offs], eax |
2236 | add [ebp+NTFS.attr_offs], eax |
2233 | add [edi+sizeWithHeader], eax |
2237 | add [edi+sizeWithHeader], eax |
2234 | add [edi+sizeWithoutHeader], eax |
2238 | add [edi+sizeWithoutHeader], eax |
2235 | movzx ecx, byte [edi+attributeOffset] |
2239 | movzx ecx, byte [edi+attributeOffset] |
2236 | add ecx, edi |
2240 | add ecx, edi |
2237 | add [ecx+rootNode+nodeRealSize], eax |
2241 | add [ecx+rootNode+nodeRealSize], eax |
2238 | add [ecx+rootNode+nodeAllocatedSize], eax |
2242 | add [ecx+rootNode+nodeAllocatedSize], eax |
2239 | add ecx, [ebp+NTFS.indexPointer] |
2243 | add ecx, [ebp+NTFS.indexPointer] |
2240 | sub ecx, [ebp+NTFS.secondIndexBuffer] |
2244 | sub ecx, [ebp+NTFS.secondIndexBuffer] |
2241 | mov esi, [ebp+NTFS.frs_buffer] |
2245 | mov esi, [ebp+NTFS.frs_buffer] |
2242 | add [esi+recordRealSize], eax |
2246 | add [esi+recordRealSize], eax |
2243 | add esi, [esi+recordRealSize] |
2247 | add esi, [esi+recordRealSize] |
2244 | mov edi, esi |
2248 | mov edi, esi |
2245 | sub esi, eax |
2249 | sub esi, eax |
2246 | neg ecx |
2250 | neg ecx |
2247 | add ecx, esi |
2251 | add ecx, esi |
2248 | shr ecx, 2 |
2252 | shr ecx, 2 |
2249 | sub esi, 4 |
2253 | sub esi, 4 |
2250 | sub edi, 4 |
2254 | sub edi, 4 |
2251 | std |
2255 | std |
2252 | rep movsd ; make space |
2256 | rep movsd ; make space |
2253 | mov [edi], ecx |
2257 | mov [edi], ecx |
2254 | mov edi, esi |
2258 | mov edi, esi |
2255 | add edi, 4 |
2259 | add edi, 4 |
2256 | mov esi, [esp] |
2260 | mov esi, [esp] |
2257 | add word [esi+indexAllocatedSize], 8 |
2261 | add word [esi+indexAllocatedSize], 8 |
2258 | mov byte [esi+indexFlags], 1 |
2262 | mov byte [esi+indexFlags], 1 |
2259 | mov ecx, eax |
2263 | mov ecx, eax |
2260 | sub ecx, 8 |
2264 | sub ecx, 8 |
2261 | shr ecx, 2 |
2265 | shr ecx, 2 |
2262 | cld |
2266 | cld |
2263 | rep movsd ; insert index |
2267 | rep movsd ; insert index |
2264 | mov eax, [ebp+NTFS.newRecord] |
2268 | mov eax, [ebp+NTFS.newRecord] |
2265 | stosd |
2269 | stosd |
2266 | jmp .splitNode |
2270 | jmp .splitNode |
2267 | 2271 | ||
2268 | .growBranch: ; move node and replace it with empty one |
2272 | .growBranch: ; move node and replace it with empty one |
2269 | mov esi, [ebp+NTFS.cur_index_buf] |
2273 | mov esi, [ebp+NTFS.cur_index_buf] |
2270 | mov edi, [ebp+NTFS.secondIndexBuffer] |
2274 | mov edi, [ebp+NTFS.secondIndexBuffer] |
2271 | mov eax, [esi+recordVCN] |
2275 | mov eax, [esi+recordVCN] |
2272 | mov [edi+recordVCN], eax |
2276 | mov [edi+recordVCN], eax |
2273 | add edi, recordNode |
2277 | add edi, recordNode |
2274 | mov eax, [edi+indexOffset] |
2278 | mov eax, [edi+indexOffset] |
2275 | add eax, 18h |
2279 | add eax, 18h |
2276 | mov [edi+nodeRealSize], eax |
2280 | mov [edi+nodeRealSize], eax |
2277 | add edi, [edi+indexOffset] |
2281 | add edi, [edi+indexOffset] |
2278 | mov ecx, 6 |
2282 | mov ecx, 6 |
2279 | xor eax, eax |
2283 | xor eax, eax |
2280 | mov [ebp+NTFS.indexPointer], edi |
2284 | mov [ebp+NTFS.indexPointer], edi |
2281 | push edi |
2285 | push edi |
2282 | rep stosd |
2286 | rep stosd |
2283 | pop edi |
2287 | pop edi |
2284 | mov eax, [ebp+NTFS.newRecord] |
2288 | mov eax, [ebp+NTFS.newRecord] |
2285 | mov byte [edi+indexAllocatedSize], 18h |
2289 | mov byte [edi+indexAllocatedSize], 18h |
2286 | mov byte [edi+indexFlags], 3 |
2290 | mov byte [edi+indexFlags], 3 |
2287 | mov [edi+16], eax |
2291 | mov [edi+16], eax |
2288 | mov [esi+recordVCN], eax |
2292 | mov [esi+recordVCN], eax |
2289 | mov eax, [ebp+NTFS.LastRead] |
2293 | mov eax, [ebp+NTFS.LastRead] |
2290 | mov [ebp+NTFS.nodeLastRead], eax |
2294 | mov [ebp+NTFS.nodeLastRead], eax |
2291 | push [ebp+NTFS.cur_size] |
2295 | push [ebp+NTFS.cur_size] |
2292 | mov [ebp+NTFS.cur_size], 0 |
2296 | mov [ebp+NTFS.cur_size], 0 |
2293 | call ntfs_read_attr.continue |
2297 | call ntfs_read_attr.continue |
2294 | pop [ebp+NTFS.cur_size] |
2298 | pop [ebp+NTFS.cur_size] |
2295 | movi eax, ERROR_FS_FAIL |
2299 | movi eax, ERROR_FS_FAIL |
2296 | jc ntfsErrorPop5 |
2300 | jc ntfsErrorPop5 |
2297 | pop eax edi |
2301 | pop eax edi |
2298 | @@: ; move index to the branch node |
2302 | @@: ; move index to the branch node |
2299 | push edi eax |
2303 | push edi eax |
2300 | call .ntfsNodeAlloc |
2304 | call .ntfsNodeAlloc |
2301 | jc ntfsErrorPop5 |
2305 | jc ntfsErrorPop5 |
2302 | mov eax, [esp] |
2306 | mov eax, [esp] |
2303 | mov esi, [ebp+NTFS.secondIndexBuffer] |
2307 | mov esi, [ebp+NTFS.secondIndexBuffer] |
2304 | add esi, recordNode |
2308 | add esi, recordNode |
2305 | mov ecx, [esi+nodeRealSize] |
2309 | mov ecx, [esi+nodeRealSize] |
2306 | add eax, ecx |
2310 | add eax, ecx |
2307 | cmp [esi+nodeAllocatedSize], eax |
2311 | cmp [esi+nodeAllocatedSize], eax |
2308 | jc .growBranch |
2312 | jc .growBranch |
2309 | mov [esi+nodeRealSize], eax |
2313 | mov [esi+nodeRealSize], eax |
2310 | lea edi, [esi+eax-4] |
2314 | lea edi, [esi+eax-4] |
2311 | add esi, ecx |
2315 | add esi, ecx |
2312 | mov ecx, esi |
2316 | mov ecx, esi |
2313 | sub ecx, [ebp+NTFS.indexPointer] |
2317 | sub ecx, [ebp+NTFS.indexPointer] |
2314 | shr ecx, 2 |
2318 | shr ecx, 2 |
2315 | sub esi, 4 |
2319 | sub esi, 4 |
2316 | std |
2320 | std |
2317 | rep movsd ; make space |
2321 | rep movsd ; make space |
2318 | mov [edi], ecx |
2322 | mov [edi], ecx |
2319 | pop ecx |
2323 | pop ecx |
2320 | sub ecx, 8 |
2324 | sub ecx, 8 |
2321 | shr ecx, 2 |
2325 | shr ecx, 2 |
2322 | mov edi, esi |
2326 | mov edi, esi |
2323 | add edi, 4 |
2327 | add edi, 4 |
2324 | mov esi, [esp] |
2328 | mov esi, [esp] |
2325 | add word [esi+indexAllocatedSize], 8 |
2329 | add word [esi+indexAllocatedSize], 8 |
2326 | mov byte [esi+indexFlags], 1 |
2330 | mov byte [esi+indexFlags], 1 |
2327 | cld |
2331 | cld |
2328 | rep movsd ; insert index |
2332 | rep movsd ; insert index |
2329 | mov eax, [ebp+NTFS.newRecord] |
2333 | mov eax, [ebp+NTFS.newRecord] |
2330 | stosd |
2334 | stosd |
2331 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
2335 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
2332 | mov edx, [ebp+NTFS.nodeLastRead] |
2336 | mov edx, [ebp+NTFS.nodeLastRead] |
2333 | push esi |
2337 | push esi |
2334 | call writeRecord |
2338 | call writeRecord |
2335 | pop esi |
2339 | pop esi |
2336 | .splitNode: |
2340 | .splitNode: |
2337 | mov edi, [ebp+NTFS.cur_index_buf] |
2341 | mov edi, [ebp+NTFS.cur_index_buf] |
2338 | mov eax, edi |
2342 | mov eax, edi |
2339 | add eax, recordNode |
2343 | add eax, recordNode |
2340 | add eax, [edi+recordNode+nodeRealSize] |
2344 | add eax, [edi+recordNode+nodeRealSize] |
2341 | sub eax, esi |
2345 | sub eax, esi |
2342 | push eax |
2346 | push eax |
2343 | mov ecx, [edi+recordNode+indexOffset] |
2347 | mov ecx, [edi+recordNode+indexOffset] |
2344 | add eax, ecx |
2348 | add eax, ecx |
2345 | add ecx, recordNode |
2349 | add ecx, recordNode |
2346 | shr ecx, 2 |
2350 | shr ecx, 2 |
2347 | push esi |
2351 | push esi |
2348 | mov esi, edi |
2352 | mov esi, edi |
2349 | mov edi, [ebp+NTFS.secondIndexBuffer] |
2353 | mov edi, [ebp+NTFS.secondIndexBuffer] |
2350 | rep movsd |
2354 | rep movsd |
2351 | pop esi |
2355 | pop esi |
2352 | pop ecx |
2356 | pop ecx |
2353 | shr ecx, 2 |
2357 | shr ecx, 2 |
2354 | rep movsd |
2358 | rep movsd |
2355 | mov edi, [ebp+NTFS.secondIndexBuffer] |
2359 | mov edi, [ebp+NTFS.secondIndexBuffer] |
2356 | mov [edi+recordNode+nodeRealSize], eax |
2360 | mov [edi+recordNode+nodeRealSize], eax |
2357 | pop edi |
2361 | pop edi |
2358 | mov cl, 4 |
2362 | mov cl, 4 |
2359 | xor eax, eax |
2363 | xor eax, eax |
2360 | mov esi, edi |
2364 | mov esi, edi |
2361 | rep stosd |
2365 | rep stosd |
2362 | mov byte [esi+indexAllocatedSize], 16 |
2366 | mov byte [esi+indexAllocatedSize], 16 |
2363 | mov byte [esi+indexFlags], 2 |
2367 | mov byte [esi+indexFlags], 2 |
2364 | mov esi, [ebp+NTFS.cur_index_buf] |
2368 | mov esi, [ebp+NTFS.cur_index_buf] |
2365 | mov eax, [ebp+NTFS.newRecord] |
2369 | mov eax, [ebp+NTFS.newRecord] |
2366 | mov [esi+recordVCN], eax |
2370 | mov [esi+recordVCN], eax |
2367 | add esi, recordNode |
2371 | add esi, recordNode |
2368 | sub edi, esi |
2372 | sub edi, esi |
2369 | mov [esi+nodeRealSize], edi |
2373 | mov [esi+nodeRealSize], edi |
2370 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
2374 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
2371 | mov edx, [ebp+NTFS.LastRead] |
2375 | mov edx, [ebp+NTFS.LastRead] |
2372 | call writeRecord |
2376 | call writeRecord |
2373 | jmp .refresh |
2377 | jmp .refresh |
2374 | 2378 | ||
2375 | .common: |
2379 | .common: |
2376 | add edi, edx |
2380 | add edi, edx |
2377 | sub edi, 4 |
2381 | sub edi, 4 |
2378 | mov esi, edi |
2382 | mov esi, edi |
2379 | sub esi, [esp] |
2383 | sub esi, [esp] |
2380 | mov ecx, esi |
2384 | mov ecx, esi |
2381 | sub ecx, eax ; eax = pointer in the record |
2385 | sub ecx, eax ; eax = pointer in the record |
2382 | shr ecx, 2 |
2386 | shr ecx, 2 |
2383 | inc ecx |
2387 | inc ecx |
2384 | std |
2388 | std |
2385 | rep movsd ; move forward, make space |
2389 | rep movsd ; move forward, make space |
2386 | mov ecx, [esp] |
2390 | mov ecx, [esp] |
2387 | shr ecx, 2 |
2391 | shr ecx, 2 |
2388 | xor eax, eax |
2392 | xor eax, eax |
2389 | rep stosd |
2393 | rep stosd |
2390 | cld |
2394 | cld |
2391 | add edi, 4 |
2395 | add edi, 4 |
2392 | call ntfsGetTime |
2396 | call ntfsGetTime |
2393 | mov [edi+fileCreated], eax |
2397 | mov [edi+fileCreated], eax |
2394 | mov [edi+fileCreated+4], edx |
2398 | mov [edi+fileCreated+4], edx |
2395 | mov [edi+fileModified], eax |
2399 | mov [edi+fileModified], eax |
2396 | mov [edi+fileModified+4], edx |
2400 | mov [edi+fileModified+4], edx |
2397 | mov [edi+recordModified], eax |
2401 | mov [edi+recordModified], eax |
2398 | mov [edi+recordModified+4], edx |
2402 | mov [edi+recordModified+4], edx |
2399 | mov [edi+fileAccessed], eax |
2403 | mov [edi+fileAccessed], eax |
2400 | mov [edi+fileAccessed+4], edx |
2404 | mov [edi+fileAccessed+4], edx |
2401 | pop ecx |
2405 | pop ecx |
2402 | pop esi |
2406 | pop esi |
2403 | mov [edi+indexAllocatedSize], cx ; fill index with data |
2407 | mov [edi+indexAllocatedSize], cx ; fill index with data |
2404 | mov eax, [esp] |
2408 | mov eax, [esp] |
2405 | shl eax, 1 |
2409 | shl eax, 1 |
2406 | add eax, 42h |
2410 | add eax, 42h |
2407 | mov [edi+indexRawSize], ax |
2411 | mov [edi+indexRawSize], ax |
2408 | mov eax, [ebp+NTFS.cur_iRecord] |
2412 | mov eax, [ebp+NTFS.cur_iRecord] |
2409 | mov [edi+directoryRecordReference], eax |
2413 | mov [edi+directoryRecordReference], eax |
2410 | mov eax, [ebp+NTFS.frs_buffer] |
2414 | mov eax, [ebp+NTFS.frs_buffer] |
2411 | mov eax, [eax+reuseCounter] |
2415 | mov eax, [eax+reuseCounter] |
2412 | mov [edi+directoryReferenceReuse], ax |
2416 | mov [edi+directoryReferenceReuse], ax |
2413 | mov eax, [ebp+NTFS.frs_size] |
2417 | mov eax, [ebp+NTFS.frs_size] |
2414 | shr eax, 8 |
2418 | shr eax, 8 |
2415 | add ecx, 30h+48h+8+18h+8 |
2419 | add ecx, 30h+48h+8+18h+8 |
2416 | add ecx, eax |
2420 | add ecx, eax |
2417 | mov eax, [ebp+NTFS.fileRealSize] |
2421 | mov eax, [ebp+NTFS.fileRealSize] |
2418 | add ecx, eax |
2422 | add ecx, eax |
2419 | mov [edi+fileRealSize], eax |
2423 | mov [edi+fileRealSize], eax |
2420 | cmp [ebp+NTFS.frs_size], ecx |
2424 | cmp [ebp+NTFS.frs_size], ecx |
2421 | jc @f |
2425 | jc @f |
2422 | xor eax, eax |
2426 | xor eax, eax |
2423 | @@: |
2427 | @@: |
2424 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
2428 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
2425 | shl ecx, 9 |
2429 | shl ecx, 9 |
2426 | add eax, ecx |
2430 | add eax, ecx |
2427 | dec eax |
2431 | dec eax |
2428 | xor edx, edx |
2432 | xor edx, edx |
2429 | div ecx |
2433 | div ecx |
2430 | mov [ebp+NTFS.fileDataSize], eax |
2434 | mov [ebp+NTFS.fileDataSize], eax |
2431 | mul ecx |
2435 | mul ecx |
2432 | mov [edi+fileAllocatedSize], eax |
2436 | mov [edi+fileAllocatedSize], eax |
2433 | pop ecx |
2437 | pop ecx |
2434 | mov [ebp+NTFS.indexPointer], edi |
2438 | mov [ebp+NTFS.indexPointer], edi |
2435 | mov [edi+fileNameLength], cl |
2439 | mov [edi+fileNameLength], cl |
2436 | add edi, fileName |
2440 | add edi, fileName |
2437 | @@: ; record filename |
2441 | @@: ; record filename |
2438 | call utf8to16 |
2442 | call utf8to16 |
2439 | stosw |
2443 | stosw |
2440 | loop @b |
2444 | loop @b |
2441 | mov eax, [ebp+NTFS.LastRead] |
2445 | mov eax, [ebp+NTFS.LastRead] |
2442 | mov [ebp+NTFS.nodeLastRead], eax |
2446 | mov [ebp+NTFS.nodeLastRead], eax |
2443 | cmp [ebp+NTFS.bFolder], 0 |
2447 | cmp [ebp+NTFS.bFolder], 0 |
2444 | jz @f |
2448 | jz @f |
2445 | mov edi, [ebp+NTFS.indexPointer] |
2449 | mov edi, [ebp+NTFS.indexPointer] |
2446 | bts dword [edi+fileFlags], 28 |
2450 | bts dword [edi+fileFlags], 28 |
2447 | jmp .mftBitmap |
2451 | jmp .mftBitmap |
2448 | 2452 | ||
2449 | @@: ; 3. File data |
2453 | @@: ; 3. File data |
2450 | cmp [ebp+NTFS.fileDataSize], 0 |
2454 | cmp [ebp+NTFS.fileDataSize], 0 |
2451 | jz .mftBitmap |
2455 | jz .mftBitmap |
2452 | mov edi, [ebp+NTFS.BitmapStart] |
2456 | mov edi, [ebp+NTFS.BitmapStart] |
2453 | call ntfsSpaceAlloc |
2457 | call ntfsSpaceAlloc |
2454 | jc ntfsDiskFull |
2458 | jc ntfsDiskFull |
2455 | mov eax, [ebp+NTFS.fileDataStart] |
2459 | mov eax, [ebp+NTFS.fileDataStart] |
2456 | mul [ebp+NTFS.sectors_per_cluster] |
2460 | mul [ebp+NTFS.sectors_per_cluster] |
2457 | mov ecx, [ebp+NTFS.fileRealSize] |
2461 | mov ecx, [ebp+NTFS.fileRealSize] |
2458 | add ecx, 511 |
2462 | add ecx, 511 |
2459 | shr ecx, 9 |
2463 | shr ecx, 9 |
2460 | mov ebx, [ebp+NTFS.fileDataBuffer] |
2464 | mov ebx, [ebp+NTFS.fileDataBuffer] |
2461 | call fs_write64_app |
2465 | call fs_write64_app |
2462 | test eax, eax |
2466 | test eax, eax |
2463 | jnz ntfsDevice |
2467 | jnz ntfsDevice |
2464 | ; 4. MFT record |
2468 | ; 4. MFT record |
2465 | .mftBitmap: ; search for free record |
2469 | .mftBitmap: ; search for free record |
2466 | mov edi, [ebp+NTFS.mftBitmapBuffer] |
2470 | mov edi, [ebp+NTFS.mftBitmapBuffer] |
2467 | mov ecx, [ebp+NTFS.mftBitmapSize] |
2471 | mov ecx, [ebp+NTFS.mftBitmapSize] |
2468 | mov al, -1 |
2472 | mov al, -1 |
2469 | add edi, 3 |
2473 | add edi, 3 |
2470 | sub ecx, 3 |
2474 | sub ecx, 3 |
2471 | repz scasb |
2475 | repz scasb |
2472 | dec edi |
2476 | dec edi |
2473 | movzx eax, byte [edi] |
2477 | movzx eax, byte [edi] |
2474 | not al |
2478 | not al |
2475 | bsf ecx, eax |
2479 | bsf ecx, eax |
2476 | jz .extendBitmapMFT ; no free records |
2480 | jz .extendBitmapMFT ; no free records |
2477 | bts [edi], ecx |
2481 | bts [edi], ecx |
2478 | ; get record location |
2482 | ; get record location |
2479 | sub edi, [ebp+NTFS.mftBitmapBuffer] |
2483 | sub edi, [ebp+NTFS.mftBitmapBuffer] |
2480 | shl edi, 3 |
2484 | shl edi, 3 |
2481 | add edi, ecx |
2485 | add edi, ecx |
2482 | mov [ebp+NTFS.newRecord], edi |
2486 | mov [ebp+NTFS.newRecord], edi |
2483 | mov eax, [ebp+NTFS.frs_size] |
2487 | mov eax, [ebp+NTFS.frs_size] |
2484 | shr eax, 9 |
2488 | shr eax, 9 |
2485 | mul edi |
2489 | mul edi |
2486 | mov [ebp+NTFS.cur_iRecord], 0 |
2490 | mov [ebp+NTFS.cur_iRecord], 0 |
2487 | mov [ebp+NTFS.cur_attr], 0x80 |
2491 | mov [ebp+NTFS.cur_attr], 0x80 |
2488 | mov [ebp+NTFS.cur_offs], eax |
2492 | mov [ebp+NTFS.cur_offs], eax |
2489 | push eax |
2493 | push eax |
2490 | mov [ebp+NTFS.cur_size], 0 |
2494 | mov [ebp+NTFS.cur_size], 0 |
2491 | mov eax, [ebp+NTFS.frs_buffer] |
2495 | mov eax, [ebp+NTFS.frs_buffer] |
2492 | mov [ebp+NTFS.cur_buf], eax |
2496 | mov [ebp+NTFS.cur_buf], eax |
2493 | call ntfs_read_attr |
2497 | call ntfs_read_attr |
2494 | pop eax |
2498 | pop eax |
2495 | jc ntfsFail |
2499 | jc ntfsFail |
2496 | cmp eax, [ebp+NTFS.mftSize] |
2500 | cmp eax, [ebp+NTFS.mftSize] |
2497 | jnc .extendMFT |
2501 | jnc .extendMFT |
2498 | jmp .mftRecord |
2502 | jmp .mftRecord |
2499 | 2503 | ||
2500 | .extendBitmapMFT: |
2504 | .extendBitmapMFT: |
2501 | mov eax, [ebp+NTFS.sectors_per_cluster] |
2505 | mov eax, [ebp+NTFS.sectors_per_cluster] |
2502 | mov [ebp+NTFS.cur_offs], eax |
2506 | mov [ebp+NTFS.cur_offs], eax |
2503 | shl eax, 9 |
2507 | shl eax, 9 |
2504 | cmp [ebp+NTFS.mftBitmapSize], eax |
2508 | cmp [ebp+NTFS.mftBitmapSize], eax |
2505 | jnc ntfsUnsupported |
2509 | jnc ntfsUnsupported |
2506 | mov [ebp+NTFS.cur_iRecord], 0 |
2510 | mov [ebp+NTFS.cur_iRecord], 0 |
2507 | mov [ebp+NTFS.cur_attr], 0xB0 |
2511 | mov [ebp+NTFS.cur_attr], 0xB0 |
2508 | mov [ebp+NTFS.cur_size], 0 |
2512 | mov [ebp+NTFS.cur_size], 0 |
2509 | call ntfs_read_attr |
2513 | call ntfs_read_attr |
2510 | jc ntfsFail |
2514 | jc ntfsFail |
2511 | mov eax, [ebp+NTFS.mft_cluster] |
2515 | mov eax, [ebp+NTFS.mft_cluster] |
2512 | mul [ebp+NTFS.sectors_per_cluster] |
2516 | mul [ebp+NTFS.sectors_per_cluster] |
2513 | cmp eax, [ebp+NTFS.LastRead] |
2517 | cmp eax, [ebp+NTFS.LastRead] |
2514 | jnz ntfsUnsupported ; auxiliary record |
2518 | jnz ntfsUnsupported ; auxiliary record |
2515 | mov edi, [ebp+NTFS.mftBitmapBuffer] |
2519 | mov edi, [ebp+NTFS.mftBitmapBuffer] |
2516 | mov ecx, [ebp+NTFS.mftBitmapSize] |
2520 | mov ecx, [ebp+NTFS.mftBitmapSize] |
2517 | add edi, ecx |
2521 | add edi, ecx |
2518 | mov eax, ecx |
2522 | mov eax, ecx |
2519 | mov edx, [ebp+NTFS.attr_offs] |
2523 | mov edx, [ebp+NTFS.attr_offs] |
2520 | add ecx, 8 |
2524 | add ecx, 8 |
2521 | mov [edx+attributeRealSize], ecx |
2525 | mov [edx+attributeRealSize], ecx |
2522 | mov [edx+initialDataSize], ecx |
2526 | mov [edx+initialDataSize], ecx |
2523 | shl eax, 3 |
2527 | shl eax, 3 |
2524 | mov [ebp+NTFS.newRecord], eax |
2528 | mov [ebp+NTFS.newRecord], eax |
2525 | mov dword [edi], 1 |
2529 | mov dword [edi], 1 |
2526 | mov dword [edi+4], 0 |
2530 | mov dword [edi+4], 0 |
2527 | mov [ebp+NTFS.cur_attr], 0x80 |
2531 | mov [ebp+NTFS.cur_attr], 0x80 |
2528 | mov [ebp+NTFS.cur_offs], 0 |
2532 | mov [ebp+NTFS.cur_offs], 0 |
2529 | call ntfs_read_attr.newAttribute |
2533 | call ntfs_read_attr.newAttribute |
2530 | jc ntfsFail |
2534 | jc ntfsFail |
2531 | mov [ebp+NTFS.mftBitmapSize], ecx |
2535 | mov [ebp+NTFS.mftBitmapSize], ecx |
2532 | .extendMFT: |
2536 | .extendMFT: |
2533 | mov eax, [ebp+NTFS.mft_cluster] |
2537 | mov eax, [ebp+NTFS.mft_cluster] |
2534 | mul [ebp+NTFS.sectors_per_cluster] |
2538 | mul [ebp+NTFS.sectors_per_cluster] |
2535 | cmp eax, [ebp+NTFS.LastRead] |
2539 | cmp eax, [ebp+NTFS.LastRead] |
2536 | jnz ntfsUnsupported ; auxiliary record |
2540 | jnz ntfsUnsupported ; auxiliary record |
2537 | mov ecx, [ebp+NTFS.attr_offs] |
2541 | mov ecx, [ebp+NTFS.attr_offs] |
2538 | mov eax, [ecx+attributeRealSize] |
2542 | mov eax, [ecx+attributeRealSize] |
2539 | mov edx, [ecx+attributeRealSize+4] |
2543 | mov edx, [ecx+attributeRealSize+4] |
2540 | xor ax, ax |
2544 | xor ax, ax |
2541 | add eax, 10000h |
2545 | add eax, 10000h |
2542 | adc edx, 0 |
2546 | adc edx, 0 |
2543 | push [ebp+NTFS.fileDataStart] |
2547 | push [ebp+NTFS.fileDataStart] |
2544 | push [ebp+NTFS.fileDataSize] |
2548 | push [ebp+NTFS.fileDataSize] |
2545 | call resizeAttribute |
2549 | call resizeAttribute |
2546 | jc ntfsErrorPop2 |
2550 | jc ntfsErrorPop2 |
2547 | mov ebx, [ebp+NTFS.frs_buffer] |
2551 | mov ebx, [ebp+NTFS.frs_buffer] |
2548 | mov edx, [ebp+NTFS.LastRead] |
2552 | mov edx, [ebp+NTFS.LastRead] |
2549 | call writeRecord ; $MFT |
2553 | call writeRecord ; $MFT |
2550 | mov eax, [ebp+NTFS.mftmirr_cluster] |
2554 | mov eax, [ebp+NTFS.mftmirr_cluster] |
2551 | mul [ebp+NTFS.sectors_per_cluster] |
2555 | mul [ebp+NTFS.sectors_per_cluster] |
2552 | mov ecx, [ebp+NTFS.frs_size] |
2556 | mov ecx, [ebp+NTFS.frs_size] |
2553 | shr ecx, 9 |
2557 | shr ecx, 9 |
2554 | call fs_write64_sys ; $MFTMirr |
2558 | call fs_write64_sys ; $MFTMirr |
2555 | ; update $MFT retrieval information |
2559 | ; update $MFT retrieval information |
2556 | mov edi, [ebp+NTFS.mft_retrieval_end] |
2560 | mov edi, [ebp+NTFS.mft_retrieval_end] |
2557 | mov eax, [edi-4] |
2561 | mov eax, [edi-4] |
2558 | add eax, [edi-8] |
2562 | add eax, [edi-8] |
2559 | mov edx, [ebp+NTFS.fileDataSize] |
2563 | mov edx, [ebp+NTFS.fileDataSize] |
2560 | cmp eax, [ebp+NTFS.fileDataStart] |
2564 | cmp eax, [ebp+NTFS.fileDataStart] |
2561 | jnz .newFragment |
2565 | jnz .newFragment |
2562 | add [edi-8], edx |
2566 | add [edi-8], edx |
2563 | jmp @f |
2567 | jmp @f |
2564 | .newFragment: |
2568 | .newFragment: |
2565 | lea eax, [ebp+NTFS.attrlist_buf] |
2569 | lea eax, [ebp+NTFS.attrlist_buf] |
2566 | cmp eax, edi |
2570 | cmp eax, edi |
2567 | jz @f |
2571 | jz @f |
2568 | mov [edi], edx |
2572 | mov [edi], edx |
2569 | mov eax, [ebp+NTFS.fileDataStart] |
2573 | mov eax, [ebp+NTFS.fileDataStart] |
2570 | mov [edi+4], eax |
2574 | mov [edi+4], eax |
2571 | add [ebp+NTFS.mft_retrieval_end], 8 |
2575 | add [ebp+NTFS.mft_retrieval_end], 8 |
2572 | @@: |
2576 | @@: |
2573 | mov eax, [ebp+NTFS.fileDataSize] |
2577 | mov eax, [ebp+NTFS.fileDataSize] |
2574 | mul [ebp+NTFS.sectors_per_cluster] |
2578 | mul [ebp+NTFS.sectors_per_cluster] |
2575 | add [ebp+NTFS.mftSize], eax |
2579 | add [ebp+NTFS.mftSize], eax |
2576 | call ntfsSpaceClean |
2580 | call ntfsSpaceClean |
2577 | pop [ebp+NTFS.fileDataSize] |
2581 | pop [ebp+NTFS.fileDataSize] |
2578 | pop [ebp+NTFS.fileDataStart] |
2582 | pop [ebp+NTFS.fileDataStart] |
2579 | .mftRecord: |
2583 | .mftRecord: |
2580 | mov ecx, [ebp+NTFS.frs_size] |
2584 | mov ecx, [ebp+NTFS.frs_size] |
2581 | shr ecx, 2 |
2585 | shr ecx, 2 |
2582 | mov edi, [ebp+NTFS.frs_buffer] |
2586 | mov edi, [ebp+NTFS.frs_buffer] |
2583 | xor eax, eax |
2587 | xor eax, eax |
2584 | rep stosd |
2588 | rep stosd |
2585 | mov esi, [ebp+NTFS.indexPointer] |
2589 | mov esi, [ebp+NTFS.indexPointer] |
2586 | mov eax, [ebp+NTFS.newRecord] |
2590 | mov eax, [ebp+NTFS.newRecord] |
2587 | mov [esi+fileRecordReference], eax |
2591 | mov [esi+fileRecordReference], eax |
2588 | rdtsc |
2592 | rdtsc |
2589 | mov [esi+fileReferenceReuse], ax |
2593 | mov [esi+fileReferenceReuse], ax |
2590 | mov edi, [ebp+NTFS.frs_buffer] |
2594 | mov edi, [ebp+NTFS.frs_buffer] |
2591 | ; record header |
2595 | ; record header |
2592 | mov [edi+reuseCounter], ax |
2596 | mov [edi+reuseCounter], ax |
2593 | mov [edi+2ah], ax |
2597 | mov [edi+2ah], ax |
2594 | mov eax, [ebp+NTFS.frs_size] |
2598 | mov eax, [ebp+NTFS.frs_size] |
2595 | mov [edi+recordAllocatedSize], eax |
2599 | mov [edi+recordAllocatedSize], eax |
2596 | shr eax, 9 |
2600 | shr eax, 9 |
2597 | inc eax |
2601 | inc eax |
2598 | mov [edi+updateSequenceSize], al |
2602 | mov [edi+updateSequenceSize], al |
2599 | shl eax, 1 |
2603 | shl eax, 1 |
2600 | add eax, 2ah+7 |
2604 | add eax, 2ah+7 |
2601 | and eax, not 7 |
2605 | and eax, not 7 |
2602 | mov dword[edi], 'FILE' |
2606 | mov dword[edi], 'FILE' |
2603 | mov byte [edi+updateSequenceOffset], 2ah |
2607 | mov byte [edi+updateSequenceOffset], 2ah |
2604 | mov byte [edi+hardLinkCounter], 1 |
2608 | mov byte [edi+hardLinkCounter], 1 |
2605 | mov byte [edi+newAttributeID], 3 |
2609 | mov byte [edi+newAttributeID], 3 |
2606 | mov [edi+attributeOffset], al |
2610 | mov [edi+attributeOffset], al |
2607 | add edi, eax |
2611 | add edi, eax |
2608 | ; $StandardInformation |
2612 | ; $StandardInformation |
2609 | mov byte [edi+attributeType], 10h |
2613 | mov byte [edi+attributeType], 10h |
2610 | mov byte [edi+sizeWithHeader], 48h |
2614 | mov byte [edi+sizeWithHeader], 48h |
2611 | mov byte [edi+sizeWithoutHeader], 30h |
2615 | mov byte [edi+sizeWithoutHeader], 30h |
2612 | mov byte [edi+attributeOffset], 18h |
2616 | mov byte [edi+attributeOffset], 18h |
2613 | mov cl, 8 |
2617 | mov cl, 8 |
2614 | add esi, fileCreated |
2618 | add esi, fileCreated |
2615 | add edi, 18h |
2619 | add edi, 18h |
2616 | rep movsd |
2620 | rep movsd |
2617 | add edi, 16 |
2621 | add edi, 16 |
2618 | mov esi, [ebp+NTFS.indexPointer] |
2622 | mov esi, [ebp+NTFS.indexPointer] |
2619 | ; $FileName |
2623 | ; $FileName |
2620 | mov byte [edi+attributeType], 30h |
2624 | mov byte [edi+attributeType], 30h |
2621 | mov byte [edi+attributeID], 1 |
2625 | mov byte [edi+attributeID], 1 |
2622 | mov byte [edi+attributeOffset], 18h |
2626 | mov byte [edi+attributeOffset], 18h |
2623 | mov byte [edi+indexedFlag], 1 |
2627 | mov byte [edi+indexedFlag], 1 |
2624 | mov cx, [esi+indexRawSize] |
2628 | mov cx, [esi+indexRawSize] |
2625 | mov [edi+sizeWithoutHeader], ecx |
2629 | mov [edi+sizeWithoutHeader], ecx |
2626 | mov cx, [esi+indexAllocatedSize] |
2630 | mov cx, [esi+indexAllocatedSize] |
2627 | add ecx, 8 |
2631 | add ecx, 8 |
2628 | mov [edi+sizeWithHeader], ecx |
2632 | mov [edi+sizeWithHeader], ecx |
2629 | add edi, 18h |
2633 | add edi, 18h |
2630 | add esi, 16 |
2634 | add esi, 16 |
2631 | sub ecx, 18h |
2635 | sub ecx, 18h |
2632 | shr ecx, 2 |
2636 | shr ecx, 2 |
2633 | rep movsd |
2637 | rep movsd |
2634 | mov byte [edi+sizeWithHeader], 50h |
2638 | mov byte [edi+sizeWithHeader], 50h |
2635 | mov byte [edi+attributeID], 2 |
2639 | mov byte [edi+attributeID], 2 |
2636 | cmp [ebp+NTFS.bFolder], 1 |
2640 | cmp [ebp+NTFS.bFolder], 1 |
2637 | jz .indexRoot |
2641 | jz .indexRoot |
2638 | ; $Data |
2642 | ; $Data |
2639 | mov byte [edi+attributeType], 80h |
2643 | mov byte [edi+attributeType], 80h |
2640 | mov eax, [ebp+NTFS.fileDataSize] |
2644 | mov eax, [ebp+NTFS.fileDataSize] |
2641 | test eax, eax |
2645 | test eax, eax |
2642 | jz .resident |
2646 | jz .resident |
2643 | mov esi, [ebp+NTFS.indexPointer] |
2647 | mov esi, [ebp+NTFS.indexPointer] |
2644 | dec eax |
2648 | dec eax |
2645 | mov [edi+lastVCN], eax |
2649 | mov [edi+lastVCN], eax |
2646 | mov byte [edi+nonResidentFlag], 1 |
2650 | mov byte [edi+nonResidentFlag], 1 |
2647 | mov byte [edi+dataRunsOffset], 40h |
2651 | mov byte [edi+dataRunsOffset], 40h |
2648 | mov eax, [esi+fileAllocatedSize] |
2652 | mov eax, [esi+fileAllocatedSize] |
2649 | mov [edi+attributeAllocatedSize], eax |
2653 | mov [edi+attributeAllocatedSize], eax |
2650 | mov eax, [esi+fileRealSize] |
2654 | mov eax, [esi+fileRealSize] |
2651 | mov [edi+attributeRealSize], eax |
2655 | mov [edi+attributeRealSize], eax |
2652 | mov [edi+initialDataSize], eax |
2656 | mov [edi+initialDataSize], eax |
2653 | push edi |
2657 | push edi |
2654 | mov esi, edi |
2658 | mov esi, edi |
2655 | add edi, 40h |
2659 | add edi, 40h |
2656 | call createMcbEntry |
2660 | call createMcbEntry |
2657 | inc edi |
2661 | inc edi |
2658 | jmp @f |
2662 | jmp @f |
2659 | 2663 | ||
2660 | .resident: |
2664 | .resident: |
2661 | mov ecx, [ebp+NTFS.fileRealSize] |
2665 | mov ecx, [ebp+NTFS.fileRealSize] |
2662 | mov [edi+sizeWithoutHeader], ecx |
2666 | mov [edi+sizeWithoutHeader], ecx |
2663 | mov byte [edi+attributeOffset], 18h |
2667 | mov byte [edi+attributeOffset], 18h |
2664 | push edi |
2668 | push edi |
2665 | mov esi, [ebp+NTFS.fileDataBuffer] |
2669 | mov esi, [ebp+NTFS.fileDataBuffer] |
2666 | add edi, 18h |
2670 | add edi, 18h |
2667 | rep movsb |
2671 | rep movsb |
2668 | @@: |
2672 | @@: |
2669 | mov eax, edi |
2673 | mov eax, edi |
2670 | pop edi |
2674 | pop edi |
2671 | sub eax, edi |
2675 | sub eax, edi |
2672 | add eax, 7 |
2676 | add eax, 7 |
2673 | and eax, not 7 |
2677 | and eax, not 7 |
2674 | mov [edi+sizeWithHeader], eax |
2678 | mov [edi+sizeWithHeader], eax |
2675 | add edi, eax |
2679 | add edi, eax |
2676 | mov al, 1 |
2680 | mov al, 1 |
2677 | jmp .end |
2681 | jmp .end |
2678 | 2682 | ||
2679 | .indexRoot: |
2683 | .indexRoot: |
2680 | mov byte [edi+attributeType], 90h |
2684 | mov byte [edi+attributeType], 90h |
2681 | mov byte [edi+nameLength], 4 |
2685 | mov byte [edi+nameLength], 4 |
2682 | mov byte [edi+nameOffset], 18h |
2686 | mov byte [edi+nameOffset], 18h |
2683 | mov byte [edi+sizeWithoutHeader], 30h |
2687 | mov byte [edi+sizeWithoutHeader], 30h |
2684 | mov byte [edi+attributeOffset], 20h |
2688 | mov byte [edi+attributeOffset], 20h |
2685 | mov dword[edi+18h], 490024h ; unicode $I30 |
2689 | mov dword[edi+18h], 490024h ; unicode $I30 |
2686 | mov dword[edi+18h+4], 300033h |
2690 | mov dword[edi+18h+4], 300033h |
2687 | mov byte [edi+20h+indexedAttributesType], 30h |
2691 | mov byte [edi+20h+indexedAttributesType], 30h |
2688 | mov byte [edi+20h+collationRule], 1 |
2692 | mov byte [edi+20h+collationRule], 1 |
2689 | mov eax, [ebp+NTFS.sectors_per_cluster] |
2693 | mov eax, [ebp+NTFS.sectors_per_cluster] |
2690 | mov dl, 1 |
2694 | mov dl, 1 |
2691 | shl eax, 8 |
2695 | shl eax, 8 |
2692 | @@: |
2696 | @@: |
2693 | shl eax, 1 |
2697 | shl eax, 1 |
2694 | shl edx, 1 |
2698 | shl edx, 1 |
2695 | cmp eax, [ebp+NTFS.frs_size] |
2699 | cmp eax, [ebp+NTFS.frs_size] |
2696 | jc @b |
2700 | jc @b |
2697 | shr edx, 1 |
2701 | shr edx, 1 |
2698 | mov [edi+20h+indexRecordSize], eax |
2702 | mov [edi+20h+indexRecordSize], eax |
2699 | mov [edi+20h+indexRecordSizeClus], dl |
2703 | mov [edi+20h+indexRecordSizeClus], dl |
2700 | mov byte [edi+30h+indexOffset], 16 |
2704 | mov byte [edi+30h+indexOffset], 16 |
2701 | mov byte [edi+30h+nodeRealSize], 32 |
2705 | mov byte [edi+30h+nodeRealSize], 32 |
2702 | mov byte [edi+30h+nodeAllocatedSize], 32 |
2706 | mov byte [edi+30h+nodeAllocatedSize], 32 |
2703 | mov byte [edi+40h+indexAllocatedSize], 16 |
2707 | mov byte [edi+40h+indexAllocatedSize], 16 |
2704 | mov byte [edi+40h+indexFlags], 2 |
2708 | mov byte [edi+40h+indexFlags], 2 |
2705 | add edi, 50h |
2709 | add edi, 50h |
2706 | mov al, 3 |
2710 | mov al, 3 |
2707 | .end: |
2711 | .end: |
2708 | mov ebx, [ebp+NTFS.frs_buffer] |
2712 | mov ebx, [ebp+NTFS.frs_buffer] |
2709 | mov dword [edi], -1 |
2713 | mov dword [edi], -1 |
2710 | mov dword [edi+4], 0 |
2714 | mov dword [edi+4], 0 |
2711 | add edi, 8 |
2715 | add edi, 8 |
2712 | sub edi, ebx |
2716 | sub edi, ebx |
2713 | mov [ebx+recordFlags], al |
2717 | mov [ebx+recordFlags], al |
2714 | mov [ebx+recordRealSize], edi |
2718 | mov [ebx+recordRealSize], edi |
2715 | mov edx, [ebp+NTFS.LastRead] |
2719 | mov edx, [ebp+NTFS.LastRead] |
2716 | call writeRecord |
2720 | call writeRecord |
2717 | ; write MFT bitmap |
2721 | ; write MFT bitmap |
2718 | mov eax, [ebp+NTFS.newRecord] |
2722 | mov eax, [ebp+NTFS.newRecord] |
2719 | shr eax, 3+9 |
2723 | shr eax, 3+9 |
2720 | mov ebx, eax |
2724 | mov ebx, eax |
2721 | shl ebx, 9 |
2725 | shl ebx, 9 |
2722 | add eax, [ebp+NTFS.mftBitmapLocation] |
2726 | add eax, [ebp+NTFS.mftBitmapLocation] |
2723 | add ebx, [ebp+NTFS.mftBitmapBuffer] |
2727 | add ebx, [ebp+NTFS.mftBitmapBuffer] |
2724 | mov ecx, 1 |
2728 | mov ecx, 1 |
2725 | xor edx, edx |
2729 | xor edx, edx |
2726 | call fs_write64_sys |
2730 | call fs_write64_sys |
2727 | ; 5. Write directory node |
2731 | ; 5. Write directory node |
2728 | mov ebx, [ebp+NTFS.cur_index_buf] |
2732 | mov ebx, [ebp+NTFS.cur_index_buf] |
2729 | mov edx, [ebp+NTFS.nodeLastRead] |
2733 | mov edx, [ebp+NTFS.nodeLastRead] |
2730 | call writeRecord |
2734 | call writeRecord |
2731 | mov ebx, [ebp+NTFS.fileRealSize] |
2735 | mov ebx, [ebp+NTFS.fileRealSize] |
2732 | ntfsDone: |
2736 | ntfsDone: |
2733 | mov esi, [ebp+PARTITION.Disk] |
2737 | mov esi, [ebp+PARTITION.Disk] |
2734 | call disk_sync |
2738 | call disk_sync |
2735 | call ntfs_unlock |
2739 | call ntfs_unlock |
2736 | xor eax, eax |
2740 | xor eax, eax |
2737 | ret |
2741 | ret |
2738 | 2742 | ||
2739 | writeRecord: |
2743 | writeRecord: |
2740 | ; make updateSequence and write to disk |
2744 | ; make updateSequence and write to disk |
2741 | ; in: |
2745 | ; in: |
2742 | ; ebx -> record |
2746 | ; ebx -> record |
2743 | ; edx = partition sector |
2747 | ; edx = partition sector |
2744 | mov esi, ebx |
2748 | mov esi, ebx |
2745 | mov edi, ebx |
2749 | mov edi, ebx |
2746 | movzx ecx, word [esi+updateSequenceOffset] |
2750 | movzx ecx, word [esi+updateSequenceOffset] |
2747 | add edi, ecx |
2751 | add edi, ecx |
2748 | mov ax, [edi] |
2752 | mov ax, [edi] |
2749 | inc ax |
2753 | inc ax |
2750 | stosw |
2754 | stosw |
2751 | mov cx, [esi+updateSequenceSize] |
2755 | mov cx, [esi+updateSequenceSize] |
2752 | dec ecx |
2756 | dec ecx |
2753 | push ecx |
2757 | push ecx |
2754 | @@: |
2758 | @@: |
2755 | add esi, 510 |
2759 | add esi, 510 |
2756 | movsw |
2760 | movsw |
2757 | mov [esi-2], ax |
2761 | mov [esi-2], ax |
2758 | loop @b |
2762 | loop @b |
2759 | mov eax, edx |
2763 | mov eax, edx |
2760 | xor edx, edx |
2764 | xor edx, edx |
2761 | pop ecx |
2765 | pop ecx |
2762 | jmp fs_write64_sys |
2766 | jmp fs_write64_sys |
2763 | 2767 | ||
2764 | createMcbEntry: |
2768 | createMcbEntry: |
2765 | ; in: |
2769 | ; in: |
2766 | ; [ebp+NTFS.fileDataStart] = position value |
2770 | ; [ebp+NTFS.fileDataStart] = position value |
2767 | ; [ebp+NTFS.fileDataSize] = size value |
2771 | ; [ebp+NTFS.fileDataSize] = size value |
2768 | ; edi -> destination |
2772 | ; edi -> destination |
2769 | ; esi -> attribute header |
2773 | ; esi -> attribute header |
2770 | mov eax, [ebp+NTFS.fileDataStart] |
2774 | mov eax, [ebp+NTFS.fileDataStart] |
2771 | xor edx, edx |
2775 | xor edx, edx |
2772 | shl eax, 1 |
2776 | shl eax, 1 |
2773 | jnc @f |
2777 | jnc @f |
2774 | not eax |
2778 | not eax |
2775 | @@: |
2779 | @@: |
2776 | inc edx |
2780 | inc edx |
2777 | shr eax, 8 |
2781 | shr eax, 8 |
2778 | jnz @b |
2782 | jnz @b |
2779 | mov eax, [ebp+NTFS.fileDataSize] |
2783 | mov eax, [ebp+NTFS.fileDataSize] |
2780 | shl eax, 1 |
2784 | shl eax, 1 |
2781 | xor ecx, ecx |
2785 | xor ecx, ecx |
2782 | @@: |
2786 | @@: |
2783 | inc ecx |
2787 | inc ecx |
2784 | shr eax, 8 |
2788 | shr eax, 8 |
2785 | jnz @b |
2789 | jnz @b |
2786 | lea eax, [edi+edx+1] |
2790 | lea eax, [edi+edx+1] |
2787 | add eax, ecx |
2791 | add eax, ecx |
2788 | sub eax, esi |
2792 | sub eax, esi |
2789 | sub eax, [esi+sizeWithHeader] |
2793 | sub eax, [esi+sizeWithHeader] |
2790 | jc @f |
2794 | jc @f |
2791 | add word [esi+sizeWithHeader], 8 ; extend attribute |
2795 | add word [esi+sizeWithHeader], 8 ; extend attribute |
2792 | mov esi, [ebp+NTFS.frs_buffer] |
2796 | mov esi, [ebp+NTFS.frs_buffer] |
2793 | mov eax, [esi+recordRealSize] |
2797 | mov eax, [esi+recordRealSize] |
2794 | add eax, 8 |
2798 | add eax, 8 |
2795 | cmp [esi+recordAllocatedSize], eax |
2799 | cmp [esi+recordAllocatedSize], eax |
2796 | jc .end ; no space in the record |
2800 | jc .end ; no space in the record |
2797 | mov [esi+recordRealSize], eax |
2801 | mov [esi+recordRealSize], eax |
2798 | push ecx edi |
2802 | push ecx edi |
2799 | add esi, eax |
2803 | add esi, eax |
2800 | mov ecx, esi |
2804 | mov ecx, esi |
2801 | sub ecx, edi |
2805 | sub ecx, edi |
2802 | sub ecx, 8 |
2806 | sub ecx, 8 |
2803 | shr ecx, 2 |
2807 | shr ecx, 2 |
2804 | mov edi, esi |
2808 | mov edi, esi |
2805 | sub edi, 4 |
2809 | sub edi, 4 |
2806 | sub esi, 12 |
2810 | sub esi, 12 |
2807 | std |
2811 | std |
2808 | rep movsd |
2812 | rep movsd |
2809 | cld |
2813 | cld |
2810 | pop edi ecx |
2814 | pop edi ecx |
2811 | @@: |
2815 | @@: |
2812 | mov eax, edx |
2816 | mov eax, edx |
2813 | shl eax, 4 |
2817 | shl eax, 4 |
2814 | add eax, ecx |
2818 | add eax, ecx |
2815 | stosb |
2819 | stosb |
2816 | lea esi, [ebp+NTFS.fileDataSize] |
2820 | lea esi, [ebp+NTFS.fileDataSize] |
2817 | rep movsb |
2821 | rep movsb |
2818 | lea esi, [ebp+NTFS.fileDataStart] |
2822 | lea esi, [ebp+NTFS.fileDataStart] |
2819 | mov ecx, edx |
2823 | mov ecx, edx |
2820 | rep movsb |
2824 | rep movsb |
2821 | mov [edi], cl |
2825 | mov [edi], cl |
2822 | .end: |
2826 | .end: |
2823 | ret |
2827 | ret |
2824 | 2828 | ||
2825 | resizeAttribute: |
2829 | resizeAttribute: |
2826 | ; in: |
2830 | ; in: |
2827 | ; [ebp+NTFS.frs_buffer] -> file record |
2831 | ; [ebp+NTFS.frs_buffer] -> file record |
2828 | ; [ebp+NTFS.attr_offs] -> attribute |
2832 | ; [ebp+NTFS.attr_offs] -> attribute |
2829 | ; edx:eax = new size |
2833 | ; edx:eax = new size |
2830 | ; out: |
2834 | ; out: |
2831 | ; [ebp+NTFS.fileDataSize] = clusters added (positive) |
2835 | ; [ebp+NTFS.fileDataSize] = clusters added (positive) |
2832 | ; [ebp+NTFS.fileDataStart] = added block |
2836 | ; [ebp+NTFS.fileDataStart] = added block |
2833 | ; CF=1 -> eax = error code |
2837 | ; CF=1 -> eax = error code |
2834 | mov esi, [ebp+NTFS.attr_offs] |
2838 | mov esi, [ebp+NTFS.attr_offs] |
2835 | mov dword [ebp+NTFS.attr_size], eax |
2839 | mov dword [ebp+NTFS.attr_size], eax |
2836 | mov dword [ebp+NTFS.attr_size+4], edx |
2840 | mov dword [ebp+NTFS.attr_size+4], edx |
2837 | cmp byte [esi+nonResidentFlag], 0 |
2841 | cmp byte [esi+nonResidentFlag], 0 |
2838 | jz .resident |
2842 | jz .resident |
2839 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
2843 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
2840 | shl ecx, 9 |
2844 | shl ecx, 9 |
2841 | mov [esi+attributeRealSize], eax |
2845 | mov [esi+attributeRealSize], eax |
2842 | mov [esi+attributeRealSize+4], edx |
2846 | mov [esi+attributeRealSize+4], edx |
2843 | mov [esi+initialDataSize], eax |
2847 | mov [esi+initialDataSize], eax |
2844 | mov [esi+initialDataSize+4], edx |
2848 | mov [esi+initialDataSize+4], edx |
2845 | sub eax, 1 |
2849 | sub eax, 1 |
2846 | sbb edx, 0 |
2850 | sbb edx, 0 |
2847 | jc .makeResident |
2851 | jc .makeResident |
2848 | div ecx |
2852 | div ecx |
2849 | mov edi, eax |
2853 | mov edi, eax |
2850 | inc eax |
2854 | inc eax |
2851 | mul ecx |
2855 | mul ecx |
2852 | mov [esi+attributeAllocatedSize], eax |
2856 | mov [esi+attributeAllocatedSize], eax |
2853 | mov [esi+attributeAllocatedSize+4], edx |
2857 | mov [esi+attributeAllocatedSize+4], edx |
2854 | mov ecx, [esi+lastVCN] |
2858 | mov ecx, [esi+lastVCN] |
2855 | mov [esi+lastVCN], edi |
2859 | mov [esi+lastVCN], edi |
2856 | movzx eax, byte [esi+dataRunsOffset] |
2860 | movzx eax, byte [esi+dataRunsOffset] |
2857 | sub edi, ecx |
2861 | sub edi, ecx |
2858 | mov [ebp+NTFS.fileDataSize], edi |
2862 | mov [ebp+NTFS.fileDataSize], edi |
2859 | jz .done |
2863 | jz .done |
2860 | jc .shrinkAttribute |
2864 | jc .shrinkAttribute |
2861 | ; extend attribute |
2865 | ; extend attribute |
2862 | xor edi, edi |
2866 | xor edi, edi |
2863 | add esi, eax |
2867 | add esi, eax |
2864 | push edi edi edi edi |
2868 | push edi edi edi edi |
2865 | @@: |
2869 | @@: |
2866 | mov edx, eax |
2870 | mov edx, eax |
2867 | mov eax, esi |
2871 | mov eax, esi |
2868 | add edi, [esp+8] |
2872 | add edi, [esp+8] |
2869 | call ntfs_decode_mcb_entry |
2873 | call ntfs_decode_mcb_entry |
2870 | jc @b |
2874 | jc @b |
2871 | mov [esp+4], edx |
2875 | mov [esp+4], edx |
2872 | mov [esp+12], edi |
2876 | mov [esp+12], edi |
2873 | add edi, [esp] |
2877 | add edi, [esp] |
2874 | push edi |
2878 | push edi |
2875 | shr edi, 5 |
2879 | shr edi, 5 |
2876 | shl edi, 2 |
2880 | shl edi, 2 |
2877 | push eax |
2881 | push eax |
2878 | cmp edi, [ebp+NTFS.BitmapStart] |
2882 | cmp edi, [ebp+NTFS.BitmapStart] |
2879 | jnc @f |
2883 | jnc @f |
2880 | cmp [ebp+NTFS.cur_iRecord], 0 |
2884 | cmp [ebp+NTFS.cur_iRecord], 0 |
2881 | jz @f |
2885 | jz @f |
2882 | mov edi, [ebp+NTFS.BitmapStart] |
2886 | mov edi, [ebp+NTFS.BitmapStart] |
2883 | @@: |
2887 | @@: |
2884 | call ntfsSpaceAlloc |
2888 | call ntfsSpaceAlloc |
2885 | jc .err1 |
2889 | jc .err1 |
2886 | mov eax, [ebp+NTFS.fileDataStart] |
2890 | mov eax, [ebp+NTFS.fileDataStart] |
2887 | pop edi |
2891 | pop edi |
2888 | pop edx |
2892 | pop edx |
2889 | cmp edx, eax |
2893 | cmp edx, eax |
2890 | jnz .newEntry |
2894 | jnz .newEntry |
2891 | pop edx |
2895 | pop edx |
2892 | pop edi |
2896 | pop edi |
2893 | pop [ebp+NTFS.fileDataStart] |
2897 | pop [ebp+NTFS.fileDataStart] |
2894 | mov [esp], eax |
2898 | mov [esp], eax |
2895 | push [ebp+NTFS.fileDataSize] |
2899 | push [ebp+NTFS.fileDataSize] |
2896 | add [ebp+NTFS.fileDataSize], edx |
2900 | add [ebp+NTFS.fileDataSize], edx |
2897 | jmp @f |
2901 | jmp @f |
2898 | 2902 | ||
2899 | .newEntry: |
2903 | .newEntry: |
2900 | add esp, 12 |
2904 | add esp, 12 |
2901 | pop edx |
2905 | pop edx |
2902 | push eax |
2906 | push eax |
2903 | push [ebp+NTFS.fileDataSize] |
2907 | push [ebp+NTFS.fileDataSize] |
2904 | sub eax, edx |
2908 | sub eax, edx |
2905 | mov [ebp+NTFS.fileDataStart], eax |
2909 | mov [ebp+NTFS.fileDataStart], eax |
2906 | @@: |
2910 | @@: |
2907 | mov esi, [ebp+NTFS.attr_offs] |
2911 | mov esi, [ebp+NTFS.attr_offs] |
2908 | call createMcbEntry |
2912 | call createMcbEntry |
2909 | pop [ebp+NTFS.fileDataSize] |
2913 | pop [ebp+NTFS.fileDataSize] |
2910 | pop [ebp+NTFS.fileDataStart] |
2914 | pop [ebp+NTFS.fileDataStart] |
2911 | movi eax, ERROR_UNSUPPORTED_FS |
2915 | movi eax, ERROR_UNSUPPORTED_FS |
2912 | .done: |
2916 | .done: |
2913 | ret |
2917 | ret |
2914 | 2918 | ||
2915 | .err1: |
2919 | .err1: |
2916 | add esp, 24 |
2920 | add esp, 24 |
2917 | stc |
2921 | stc |
2918 | .err2: |
2922 | .err2: |
2919 | movi eax, ERROR_DISK_FULL |
2923 | movi eax, ERROR_DISK_FULL |
2920 | ret |
2924 | ret |
2921 | 2925 | ||
2922 | .err3: |
2926 | .err3: |
2923 | movi eax, ERROR_FS_FAIL |
2927 | movi eax, ERROR_FS_FAIL |
2924 | add esp, 20 |
2928 | add esp, 20 |
2925 | stc |
2929 | stc |
2926 | ret |
2930 | ret |
2927 | 2931 | ||
2928 | .shrinkAttribute: |
2932 | .shrinkAttribute: |
2929 | add ecx, edi |
2933 | add ecx, edi |
2930 | inc ecx |
2934 | inc ecx |
2931 | add esi, eax |
2935 | add esi, eax |
2932 | xor edi, edi |
2936 | xor edi, edi |
2933 | sub esp, 20 |
2937 | sub esp, 20 |
2934 | @@: |
2938 | @@: |
2935 | mov [esp+16], esi |
2939 | mov [esp+16], esi |
2936 | call ntfs_decode_mcb_entry |
2940 | call ntfs_decode_mcb_entry |
2937 | jnc .err3 |
2941 | jnc .err3 |
2938 | add edi, [esp+8] |
2942 | add edi, [esp+8] |
2939 | sub ecx, [esp] |
2943 | sub ecx, [esp] |
2940 | jnc @b |
2944 | jnc @b |
2941 | mov ebx, ecx |
2945 | mov ebx, ecx |
2942 | add ecx, [esp] |
2946 | add ecx, [esp] |
2943 | mov eax, [esp+8] |
2947 | mov eax, [esp+8] |
2944 | mov [ebp+NTFS.fileDataSize], ecx |
2948 | mov [ebp+NTFS.fileDataSize], ecx |
2945 | mov [ebp+NTFS.fileDataStart], eax |
2949 | mov [ebp+NTFS.fileDataStart], eax |
2946 | push edi |
2950 | push edi |
2947 | add edi, ecx |
2951 | add edi, ecx |
2948 | neg ebx |
2952 | neg ebx |
2949 | call ntfsSpaceFree |
2953 | call ntfsSpaceFree |
2950 | pop edi |
2954 | pop edi |
2951 | jc .end |
2955 | jc .end |
2952 | @@: |
2956 | @@: |
2953 | call ntfs_decode_mcb_entry |
2957 | call ntfs_decode_mcb_entry |
2954 | jnc .end |
2958 | jnc .end |
2955 | cmp dword[esp+8], 0 |
2959 | cmp dword[esp+8], 0 |
2956 | jz @b |
2960 | jz @b |
2957 | add edi, [esp+8] |
2961 | add edi, [esp+8] |
2958 | mov ebx, [esp] |
2962 | mov ebx, [esp] |
2959 | call ntfsSpaceFree |
2963 | call ntfsSpaceFree |
2960 | jnc @b |
2964 | jnc @b |
2961 | .end: |
2965 | .end: |
2962 | add esp, 16 |
2966 | add esp, 16 |
2963 | pop edi |
2967 | pop edi |
2964 | cmp [ebp+NTFS.fileDataSize], 0 |
2968 | cmp [ebp+NTFS.fileDataSize], 0 |
2965 | jz @f |
2969 | jz @f |
2966 | mov esi, [ebp+NTFS.attr_offs] |
2970 | mov esi, [ebp+NTFS.attr_offs] |
2967 | call createMcbEntry |
2971 | call createMcbEntry |
2968 | mov [ebp+NTFS.fileDataSize], 0 |
2972 | mov [ebp+NTFS.fileDataSize], 0 |
2969 | @@: |
2973 | @@: |
2970 | ret |
2974 | ret |
2971 | 2975 | ||
2972 | .resident: |
2976 | .resident: |
2973 | test edx, edx |
2977 | test edx, edx |
2974 | jnz .nonResident |
2978 | jnz .nonResident |
2975 | cmp eax, 8000h |
2979 | cmp eax, 8000h |
2976 | jnc .nonResident |
2980 | jnc .nonResident |
2977 | add ax, [esi+attributeOffset] |
2981 | add ax, [esi+attributeOffset] |
2978 | sub eax, [esi+sizeWithHeader] |
2982 | sub eax, [esi+sizeWithHeader] |
2979 | jc @f |
2983 | jc @f |
2980 | mov edi, [ebp+NTFS.frs_buffer] |
2984 | mov edi, [ebp+NTFS.frs_buffer] |
2981 | mov ecx, eax |
2985 | mov ecx, eax |
2982 | add ecx, [edi+recordRealSize] |
2986 | add ecx, [edi+recordRealSize] |
2983 | cmp [edi+recordAllocatedSize], ecx |
2987 | cmp [edi+recordAllocatedSize], ecx |
2984 | jc .nonResident |
2988 | jc .nonResident |
2985 | add eax, 7 |
2989 | add eax, 7 |
2986 | and eax, not 7 |
2990 | and eax, not 7 |
2987 | add [edi+recordRealSize], eax |
2991 | add [edi+recordRealSize], eax |
2988 | add edi, [edi+recordRealSize] |
2992 | add edi, [edi+recordRealSize] |
2989 | add [esi+sizeWithHeader], eax |
2993 | add [esi+sizeWithHeader], eax |
2990 | add esi, [esi+sizeWithHeader] |
2994 | add esi, [esi+sizeWithHeader] |
2991 | mov ecx, edi |
2995 | mov ecx, edi |
2992 | sub ecx, esi |
2996 | sub ecx, esi |
2993 | shr ecx, 2 |
2997 | shr ecx, 2 |
2994 | sub edi, 4 |
2998 | sub edi, 4 |
2995 | mov esi, edi |
2999 | mov esi, edi |
2996 | sub esi, eax |
3000 | sub esi, eax |
2997 | std |
3001 | std |
2998 | rep movsd |
3002 | rep movsd |
2999 | mov ecx, eax |
3003 | mov ecx, eax |
3000 | shr ecx, 2 |
3004 | shr ecx, 2 |
3001 | xor eax, eax |
3005 | xor eax, eax |
3002 | rep stosd |
3006 | rep stosd |
3003 | cld |
3007 | cld |
3004 | mov esi, [ebp+NTFS.attr_offs] |
3008 | mov esi, [ebp+NTFS.attr_offs] |
3005 | @@: |
3009 | @@: |
3006 | mov eax, dword [ebp+NTFS.attr_size] |
3010 | mov eax, dword [ebp+NTFS.attr_size] |
3007 | mov [esi+sizeWithoutHeader], eax |
3011 | mov [esi+sizeWithoutHeader], eax |
3008 | mov [ebp+NTFS.fileDataSize], 0 |
3012 | mov [ebp+NTFS.fileDataSize], 0 |
3009 | clc |
3013 | clc |
3010 | ret |
3014 | ret |
3011 | 3015 | ||
3012 | .nonResident: ; convert resident to non-resident |
3016 | .nonResident: ; convert resident to non-resident |
3013 | mov eax, dword [ebp+NTFS.attr_size] |
3017 | mov eax, dword [ebp+NTFS.attr_size] |
3014 | sub eax, 1 |
3018 | sub eax, 1 |
3015 | sbb edx, 0 |
3019 | sbb edx, 0 |
3016 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
3020 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
3017 | shl ecx, 9 |
3021 | shl ecx, 9 |
3018 | div ecx |
3022 | div ecx |
3019 | inc eax |
3023 | inc eax |
3020 | mov [ebp+NTFS.fileDataSize], eax |
3024 | mov [ebp+NTFS.fileDataSize], eax |
3021 | mov edi, [ebp+NTFS.BitmapStart] |
3025 | mov edi, [ebp+NTFS.BitmapStart] |
3022 | push ecx |
3026 | push ecx |
3023 | call ntfsSpaceAlloc |
3027 | call ntfsSpaceAlloc |
3024 | pop ecx |
3028 | pop ecx |
3025 | jc .err2 |
3029 | jc .err2 |
3026 | mov esi, [ebp+NTFS.attr_offs] |
3030 | mov esi, [ebp+NTFS.attr_offs] |
3027 | xor eax, eax |
3031 | xor eax, eax |
3028 | xor edx, edx |
3032 | xor edx, edx |
3029 | @@: |
3033 | @@: |
3030 | add eax, ecx |
3034 | add eax, ecx |
3031 | inc edx |
3035 | inc edx |
3032 | cmp eax, [esi+sizeWithoutHeader] |
3036 | cmp eax, [esi+sizeWithoutHeader] |
3033 | jc @b |
3037 | jc @b |
3034 | push edx |
3038 | push edx |
3035 | push eax |
3039 | push eax |
3036 | stdcall kernel_alloc, eax |
3040 | stdcall kernel_alloc, eax |
3037 | mov ecx, [esp] |
3041 | mov ecx, [esp] |
3038 | shr ecx, 2 |
3042 | shr ecx, 2 |
3039 | mov edi, eax |
3043 | mov edi, eax |
3040 | mov ebx, eax |
3044 | mov ebx, eax |
3041 | xor eax, eax |
3045 | xor eax, eax |
3042 | rep stosd |
3046 | rep stosd |
3043 | mov al, [esi+attributeOffset] |
3047 | mov al, [esi+attributeOffset] |
3044 | mov ecx, [esi+sizeWithoutHeader] |
3048 | mov ecx, [esi+sizeWithoutHeader] |
3045 | add esi, eax |
3049 | add esi, eax |
3046 | mov edi, ebx |
3050 | mov edi, ebx |
3047 | rep movsb |
3051 | rep movsb |
3048 | mov eax, [ebp+NTFS.fileDataStart] |
3052 | mov eax, [ebp+NTFS.fileDataStart] |
3049 | mul [ebp+NTFS.sectors_per_cluster] |
3053 | mul [ebp+NTFS.sectors_per_cluster] |
3050 | pop ecx |
3054 | pop ecx |
3051 | shr ecx, 9 |
3055 | shr ecx, 9 |
3052 | call fs_write64_app |
3056 | call fs_write64_app |
3053 | stdcall kernel_free, ebx |
3057 | stdcall kernel_free, ebx |
3054 | mov esi, [ebp+NTFS.attr_offs] |
3058 | mov esi, [ebp+NTFS.attr_offs] |
3055 | add esi, [esi+sizeWithHeader] |
3059 | add esi, [esi+sizeWithHeader] |
3056 | mov ecx, [ebp+NTFS.frs_buffer] |
3060 | mov ecx, [ebp+NTFS.frs_buffer] |
3057 | add ecx, [ecx+recordRealSize] |
3061 | add ecx, [ecx+recordRealSize] |
3058 | sub ecx, esi |
3062 | sub ecx, esi |
3059 | shr ecx, 2 |
3063 | shr ecx, 2 |
3060 | lea edi, [ebp+NTFS.bitmap_buf] |
3064 | lea edi, [ebp+NTFS.bitmap_buf] |
3061 | push ecx |
3065 | push ecx |
3062 | rep movsd |
3066 | rep movsd |
3063 | mov edi, [ebp+NTFS.attr_offs] |
3067 | mov edi, [ebp+NTFS.attr_offs] |
3064 | add edi, 16 |
3068 | add edi, 16 |
3065 | mov cl, 6 |
3069 | mov cl, 6 |
3066 | xor eax, eax |
3070 | xor eax, eax |
3067 | rep stosd |
3071 | rep stosd |
3068 | mov edi, [ebp+NTFS.attr_offs] |
3072 | mov edi, [ebp+NTFS.attr_offs] |
3069 | mov eax, [ebp+NTFS.fileDataSize] |
3073 | mov eax, [ebp+NTFS.fileDataSize] |
3070 | dec eax |
3074 | dec eax |
3071 | mov [edi+lastVCN], eax |
3075 | mov [edi+lastVCN], eax |
3072 | inc eax |
3076 | inc eax |
3073 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
3077 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
3074 | shl ecx, 9 |
3078 | shl ecx, 9 |
3075 | mul ecx |
3079 | mul ecx |
3076 | mov byte [edi+sizeWithHeader], 50h |
3080 | mov byte [edi+sizeWithHeader], 50h |
3077 | mov byte [edi+nonResidentFlag], 1 |
3081 | mov byte [edi+nonResidentFlag], 1 |
3078 | mov byte [edi+dataRunsOffset], 40h |
3082 | mov byte [edi+dataRunsOffset], 40h |
3079 | mov [edi+attributeAllocatedSize], eax |
3083 | mov [edi+attributeAllocatedSize], eax |
3080 | mov [edi+attributeAllocatedSize+4], edx |
3084 | mov [edi+attributeAllocatedSize+4], edx |
3081 | mov eax, dword [ebp+NTFS.attr_size] |
3085 | mov eax, dword [ebp+NTFS.attr_size] |
3082 | mov edx, dword [ebp+NTFS.attr_size+4] |
3086 | mov edx, dword [ebp+NTFS.attr_size+4] |
3083 | mov [edi+attributeRealSize], eax |
3087 | mov [edi+attributeRealSize], eax |
3084 | mov [edi+attributeRealSize+4], edx |
3088 | mov [edi+attributeRealSize+4], edx |
3085 | mov [edi+initialDataSize], eax |
3089 | mov [edi+initialDataSize], eax |
3086 | mov [edi+initialDataSize+4], edx |
3090 | mov [edi+initialDataSize+4], edx |
3087 | mov esi, edi |
3091 | mov esi, edi |
3088 | add edi, 40h |
3092 | add edi, 40h |
3089 | call createMcbEntry |
3093 | call createMcbEntry |
3090 | mov eax, edi |
3094 | mov eax, edi |
3091 | mov edi, [ebp+NTFS.attr_offs] |
3095 | mov edi, [ebp+NTFS.attr_offs] |
3092 | sub eax, edi |
3096 | sub eax, edi |
3093 | add eax, 8 |
3097 | add eax, 8 |
3094 | and eax, not 7 |
3098 | and eax, not 7 |
3095 | mov [edi+sizeWithHeader], eax |
3099 | mov [edi+sizeWithHeader], eax |
3096 | pop ecx |
3100 | pop ecx |
3097 | lea esi, [ebp+NTFS.bitmap_buf] |
3101 | lea esi, [ebp+NTFS.bitmap_buf] |
3098 | add edi, eax |
3102 | add edi, eax |
3099 | rep movsd |
3103 | rep movsd |
3100 | mov esi, [ebp+NTFS.frs_buffer] |
3104 | mov esi, [ebp+NTFS.frs_buffer] |
3101 | sub edi, esi |
3105 | sub edi, esi |
3102 | mov [esi+recordRealSize], edi |
3106 | mov [esi+recordRealSize], edi |
3103 | pop edx |
3107 | pop edx |
3104 | sub [ebp+NTFS.fileDataSize], edx |
3108 | sub [ebp+NTFS.fileDataSize], edx |
3105 | add [ebp+NTFS.fileDataStart], edx |
3109 | add [ebp+NTFS.fileDataStart], edx |
3106 | ret |
3110 | ret |
3107 | 3111 | ||
3108 | .makeResident: ; convert non-resident to empty resident |
3112 | .makeResident: ; convert non-resident to empty resident |
3109 | movzx eax, byte [esi+dataRunsOffset] |
3113 | movzx eax, byte [esi+dataRunsOffset] |
3110 | mov byte [esi+nonResidentFlag], 0 |
3114 | mov byte [esi+nonResidentFlag], 0 |
3111 | mov dword [esi+sizeWithoutHeader], 0 |
3115 | mov dword [esi+sizeWithoutHeader], 0 |
3112 | mov dword [esi+attributeOffset], 18h |
3116 | mov dword [esi+attributeOffset], 18h |
3113 | add esi, eax |
3117 | add esi, eax |
3114 | xor edi, edi |
3118 | xor edi, edi |
3115 | sub esp, 16 |
3119 | sub esp, 16 |
3116 | @@: |
3120 | @@: |
3117 | call ntfs_decode_mcb_entry |
3121 | call ntfs_decode_mcb_entry |
3118 | jnc @f |
3122 | jnc @f |
3119 | cmp dword[esp+8], 0 |
3123 | cmp dword[esp+8], 0 |
3120 | jz @b |
3124 | jz @b |
3121 | add edi, [esp+8] |
3125 | add edi, [esp+8] |
3122 | mov ebx, [esp] |
3126 | mov ebx, [esp] |
3123 | call ntfsSpaceFree |
3127 | call ntfsSpaceFree |
3124 | jnc @b |
3128 | jnc @b |
3125 | @@: |
3129 | @@: |
3126 | add esp, 16 |
3130 | add esp, 16 |
3127 | mov [ebp+NTFS.fileDataSize], 0 |
3131 | mov [ebp+NTFS.fileDataSize], 0 |
3128 | ret |
3132 | ret |
3129 | 3133 | ||
3130 | ntfsSpaceClean: |
3134 | ntfsSpaceClean: |
3131 | ; clean up to 16 Mb of disk space |
3135 | ; clean up to 16 Mb of disk space |
3132 | ; in: |
3136 | ; in: |
3133 | ; [ebp+NTFS.fileDataStart] = block to clean |
3137 | ; [ebp+NTFS.fileDataStart] = block to clean |
3134 | ; [ebp+NTFS.fileDataSize] = block size |
3138 | ; [ebp+NTFS.fileDataSize] = block size |
3135 | mov eax, [ebp+NTFS.fileDataSize] |
3139 | mov eax, [ebp+NTFS.fileDataSize] |
3136 | test eax, eax |
3140 | test eax, eax |
3137 | jz @f |
3141 | jz @f |
3138 | mul [ebp+NTFS.sectors_per_cluster] |
3142 | mul [ebp+NTFS.sectors_per_cluster] |
3139 | cmp eax, 8001h |
3143 | cmp eax, 8001h |
3140 | jnc @f |
3144 | jnc @f |
3141 | push eax |
3145 | push eax |
3142 | shl eax, 9 |
3146 | shl eax, 9 |
3143 | stdcall kernel_alloc, eax |
3147 | stdcall kernel_alloc, eax |
3144 | pop ecx |
3148 | pop ecx |
3145 | test eax, eax |
3149 | test eax, eax |
3146 | jz @f |
3150 | jz @f |
3147 | push ecx |
3151 | push ecx |
3148 | shl ecx, 7 |
3152 | shl ecx, 7 |
3149 | mov edi, eax |
3153 | mov edi, eax |
3150 | mov ebx, eax |
3154 | mov ebx, eax |
3151 | xor eax, eax |
3155 | xor eax, eax |
3152 | rep stosd |
3156 | rep stosd |
3153 | mov eax, [ebp+NTFS.fileDataStart] |
3157 | mov eax, [ebp+NTFS.fileDataStart] |
3154 | mul [ebp+NTFS.sectors_per_cluster] |
3158 | mul [ebp+NTFS.sectors_per_cluster] |
3155 | mov [ebp+NTFS.LastRead], eax |
3159 | mov [ebp+NTFS.LastRead], eax |
3156 | pop ecx |
3160 | pop ecx |
3157 | call fs_write64_app |
3161 | call fs_write64_app |
3158 | stdcall kernel_free, ebx |
3162 | stdcall kernel_free, ebx |
3159 | @@: |
3163 | @@: |
3160 | ret |
3164 | ret |
3161 | 3165 | ||
3162 | ntfsSpaceAlloc: |
3166 | ntfsSpaceAlloc: |
3163 | ; allocate disk space |
3167 | ; allocate disk space |
3164 | ; in: |
3168 | ; in: |
3165 | ; edi = offset in bitmap to start search from |
3169 | ; edi = offset in bitmap to start search from |
3166 | ; [ebp+NTFS.fileDataSize] = block size in clusters |
3170 | ; [ebp+NTFS.fileDataSize] = block size in clusters |
3167 | ; out: |
3171 | ; out: |
3168 | ; [ebp+NTFS.fileDataStart] = allocated block starting cluster |
3172 | ; [ebp+NTFS.fileDataStart] = allocated block starting cluster |
3169 | ; CF=1 -> disk full |
3173 | ; CF=1 -> disk full |
3170 | mov ecx, [ebp+NTFS.BitmapBuffer] |
3174 | mov ecx, [ebp+NTFS.BitmapBuffer] |
3171 | add edi, ecx |
3175 | add edi, ecx |
3172 | add ecx, [ebp+NTFS.BitmapSize] |
3176 | add ecx, [ebp+NTFS.BitmapSize] |
3173 | sub ecx, edi |
3177 | sub ecx, edi |
3174 | ja @f |
3178 | ja @f |
3175 | push eax |
3179 | push eax |
3176 | call bitmapBuffering |
3180 | call bitmapBuffering |
3177 | pop eax |
3181 | pop eax |
3178 | shl ecx, 2 |
3182 | shl ecx, 2 |
3179 | @@: |
3183 | @@: |
3180 | shr ecx, 2 |
3184 | shr ecx, 2 |
3181 | push ecx |
3185 | push ecx |
3182 | mov eax, [ebp+NTFS.fileDataSize] |
3186 | mov eax, [ebp+NTFS.fileDataSize] |
3183 | shr eax, 5 |
3187 | shr eax, 5 |
3184 | jz .small |
3188 | jz .small |
3185 | mov ebx, eax ; bitmap dwords |
3189 | mov ebx, eax ; bitmap dwords |
3186 | .start: |
3190 | .start: |
3187 | mov ecx, [ebp+NTFS.BitmapBuffer] |
3191 | mov ecx, [ebp+NTFS.BitmapBuffer] |
3188 | add ecx, [ebp+NTFS.BitmapSize] |
3192 | add ecx, [ebp+NTFS.BitmapSize] |
3189 | sub ecx, edi |
3193 | sub ecx, edi |
3190 | shr ecx, 2 |
3194 | shr ecx, 2 |
3191 | @@: |
3195 | @@: |
3192 | xor eax, eax |
3196 | xor eax, eax |
3193 | repnz scasd ; search for empty dword |
3197 | repnz scasd ; search for empty dword |
3194 | jz @f |
3198 | jz @f |
3195 | call bitmapBuffering |
3199 | call bitmapBuffering |
3196 | jmp @b |
3200 | jmp @b |
3197 | @@: |
3201 | @@: |
3198 | cmp ecx, ebx |
3202 | cmp ecx, ebx |
3199 | jnc @f |
3203 | jnc @f |
3200 | call bitmapBuffering |
3204 | call bitmapBuffering |
3201 | jmp @b |
3205 | jmp @b |
3202 | @@: |
3206 | @@: |
3203 | sub edi, 4 |
3207 | sub edi, 4 |
3204 | mov ecx, ebx |
3208 | mov ecx, ebx |
3205 | mov esi, edi |
3209 | mov esi, edi |
3206 | xor eax, eax |
3210 | xor eax, eax |
3207 | repz scasd ; check following dwords |
3211 | repz scasd ; check following dwords |
3208 | jnz .start |
3212 | jnz .start |
3209 | sub esi, 4 |
3213 | sub esi, 4 |
3210 | mov eax, [esi] |
3214 | mov eax, [esi] |
3211 | xor edx, edx |
3215 | xor edx, edx |
3212 | bsr edx, eax |
3216 | bsr edx, eax |
3213 | inc edx |
3217 | inc edx |
3214 | push edx ; starting bit |
3218 | push edx ; starting bit |
3215 | push esi ; starting dword |
3219 | push esi ; starting dword |
3216 | add esi, 4 |
3220 | add esi, 4 |
3217 | neg edx |
3221 | neg edx |
3218 | add edx, 32 |
3222 | add edx, 32 |
3219 | mov eax, [ebp+NTFS.fileDataSize] |
3223 | mov eax, [ebp+NTFS.fileDataSize] |
3220 | sub eax, edx |
3224 | sub eax, edx |
3221 | mov edx, eax |
3225 | mov edx, eax |
3222 | shr eax, 5 |
3226 | shr eax, 5 |
3223 | shl eax, 2 |
3227 | shl eax, 2 |
3224 | add esi, eax |
3228 | add esi, eax |
3225 | mov eax, [esi] |
3229 | mov eax, [esi] |
3226 | bsf ecx, eax ; check last dword |
3230 | bsf ecx, eax ; check last dword |
3227 | jz .done |
3231 | jz .done |
3228 | and edx, 31 |
3232 | and edx, 31 |
3229 | cmp ecx, edx |
3233 | cmp ecx, edx |
3230 | jnc .done |
3234 | jnc .done |
3231 | add esp, 8 |
3235 | add esp, 8 |
3232 | jmp .start |
3236 | jmp .start |
3233 | 3237 | ||
3234 | @@: |
3238 | @@: |
3235 | sub edi, 4 |
3239 | sub edi, 4 |
3236 | call bitmapBuffering |
3240 | call bitmapBuffering |
3237 | push ecx |
3241 | push ecx |
3238 | .small: ; less than 32 clusters |
3242 | .small: ; less than 32 clusters |
3239 | pop ecx |
3243 | pop ecx |
3240 | or eax, -1 |
3244 | or eax, -1 |
3241 | repz scasd |
3245 | repz scasd |
3242 | jecxz @b |
3246 | jecxz @b |
3243 | push ecx |
3247 | push ecx |
3244 | mov eax, [edi-4] |
3248 | mov eax, [edi-4] |
3245 | not eax |
3249 | not eax |
3246 | @@: |
3250 | @@: |
3247 | bsf ecx, eax ; first 0 |
3251 | bsf ecx, eax ; first 0 |
3248 | jz .small |
3252 | jz .small |
3249 | not eax |
3253 | not eax |
3250 | shr eax, cl |
3254 | shr eax, cl |
3251 | shl eax, cl |
3255 | shl eax, cl |
3252 | bsf edx, eax ; next 1 |
3256 | bsf edx, eax ; next 1 |
3253 | jz @f |
3257 | jz @f |
3254 | sub edx, ecx |
3258 | sub edx, ecx |
3255 | cmp edx, [ebp+NTFS.fileDataSize] |
3259 | cmp edx, [ebp+NTFS.fileDataSize] |
3256 | jnc .got ; fits inside |
3260 | jnc .got ; fits inside |
3257 | bsf ecx, eax |
3261 | bsf ecx, eax |
3258 | not eax |
3262 | not eax |
3259 | shr eax, cl |
3263 | shr eax, cl |
3260 | shl eax, cl |
3264 | shl eax, cl |
3261 | jmp @b |
3265 | jmp @b |
3262 | 3266 | ||
3263 | @@: ; next dword |
3267 | @@: ; next dword |
3264 | mov eax, [edi] |
3268 | mov eax, [edi] |
3265 | bsf edx, eax |
3269 | bsf edx, eax |
3266 | jz .got ; empty |
3270 | jz .got ; empty |
3267 | add edx, 32 |
3271 | add edx, 32 |
3268 | sub edx, ecx |
3272 | sub edx, ecx |
3269 | cmp edx, [ebp+NTFS.fileDataSize] |
3273 | cmp edx, [ebp+NTFS.fileDataSize] |
3270 | jc .small |
3274 | jc .small |
3271 | .got: |
3275 | .got: |
3272 | sub edi, 4 |
3276 | sub edi, 4 |
3273 | push ecx ; starting bit |
3277 | push ecx ; starting bit |
3274 | push edi ; starting dword |
3278 | push edi ; starting dword |
3275 | .done: ; mark space |
3279 | .done: ; mark space |
3276 | pop edi ecx |
3280 | pop edi ecx |
3277 | cmp ecx, 32 |
3281 | cmp ecx, 32 |
3278 | jc @f |
3282 | jc @f |
3279 | xor ecx, ecx |
3283 | xor ecx, ecx |
3280 | add edi, 4 |
3284 | add edi, 4 |
3281 | @@: |
3285 | @@: |
3282 | push ecx edi |
3286 | push ecx edi |
3283 | or eax, -1 |
3287 | or eax, -1 |
3284 | shr eax, cl |
3288 | shr eax, cl |
3285 | shl eax, cl |
3289 | shl eax, cl |
3286 | neg ecx |
3290 | neg ecx |
3287 | add ecx, 32 |
3291 | add ecx, 32 |
3288 | sub ecx, [ebp+NTFS.fileDataSize] |
3292 | sub ecx, [ebp+NTFS.fileDataSize] |
3289 | jc @f |
3293 | jc @f |
3290 | shl eax, cl ; fits inside dword |
3294 | shl eax, cl ; fits inside dword |
3291 | shr eax, cl |
3295 | shr eax, cl |
3292 | or [edi], eax |
3296 | or [edi], eax |
3293 | jmp .end |
3297 | jmp .end |
3294 | 3298 | ||
3295 | @@: |
3299 | @@: |
3296 | or [edi], eax |
3300 | or [edi], eax |
3297 | neg ecx |
3301 | neg ecx |
3298 | push ecx |
3302 | push ecx |
3299 | shr ecx, 5 |
3303 | shr ecx, 5 |
3300 | add edi, 4 |
3304 | add edi, 4 |
3301 | or eax, -1 |
3305 | or eax, -1 |
3302 | rep stosd |
3306 | rep stosd |
3303 | pop ecx |
3307 | pop ecx |
3304 | and ecx, 31 |
3308 | and ecx, 31 |
3305 | shr eax, cl |
3309 | shr eax, cl |
3306 | shl eax, cl |
3310 | shl eax, cl |
3307 | not eax |
3311 | not eax |
3308 | or [edi], eax |
3312 | or [edi], eax |
3309 | .end: |
3313 | .end: |
3310 | pop eax |
3314 | pop eax |
3311 | pop ecx |
3315 | pop ecx |
3312 | sub eax, [ebp+NTFS.BitmapBuffer] |
3316 | sub eax, [ebp+NTFS.BitmapBuffer] |
3313 | shl eax, 3 |
3317 | shl eax, 3 |
3314 | add eax, ecx |
3318 | add eax, ecx |
3315 | pop ecx |
3319 | pop ecx |
3316 | mov ecx, [ebp+NTFS.fileDataSize] |
3320 | mov ecx, [ebp+NTFS.fileDataSize] |
3317 | mov [ebp+NTFS.fileDataStart], eax |
3321 | mov [ebp+NTFS.fileDataStart], eax |
3318 | add ecx, eax |
3322 | add ecx, eax |
3319 | add ecx, 4095 |
3323 | add ecx, 4095 |
3320 | shr ecx, 3+9 |
3324 | shr ecx, 3+9 |
3321 | shr eax, 3+9 |
3325 | shr eax, 3+9 |
3322 | sub ecx, eax |
3326 | sub ecx, eax |
3323 | mov ebx, eax |
3327 | mov ebx, eax |
3324 | shl ebx, 9 |
3328 | shl ebx, 9 |
3325 | add eax, [ebp+NTFS.BitmapLocation] |
3329 | add eax, [ebp+NTFS.BitmapLocation] |
3326 | add ebx, [ebp+NTFS.BitmapBuffer] |
3330 | add ebx, [ebp+NTFS.BitmapBuffer] |
3327 | xor edx, edx |
3331 | xor edx, edx |
3328 | jmp fs_write64_app |
3332 | jmp fs_write64_app |
3329 | 3333 | ||
3330 | ntfsSpaceFree: |
3334 | ntfsSpaceFree: |
3331 | ; free disk space |
3335 | ; free disk space |
3332 | ; in: |
3336 | ; in: |
3333 | ; edi = starting cluster |
3337 | ; edi = starting cluster |
3334 | ; ebx = size in clusters |
3338 | ; ebx = size in clusters |
3335 | mov eax, edi |
3339 | mov eax, edi |
3336 | add eax, ebx |
3340 | add eax, ebx |
3337 | shr eax, 3 |
3341 | shr eax, 3 |
3338 | cmp eax, [ebp+NTFS.BitmapSize] |
3342 | cmp eax, [ebp+NTFS.BitmapSize] |
3339 | jc @f |
3343 | jc @f |
3340 | add eax, [ebp+NTFS.BitmapBuffer] |
3344 | add eax, [ebp+NTFS.BitmapBuffer] |
3341 | push edi |
3345 | push edi |
3342 | mov edi, eax |
3346 | mov edi, eax |
3343 | call bitmapBuffering |
3347 | call bitmapBuffering |
3344 | pop edi |
3348 | pop edi |
3345 | @@: |
3349 | @@: |
3346 | push edi |
3350 | push edi |
3347 | mov ecx, edi |
3351 | mov ecx, edi |
3348 | shr edi, 5 |
3352 | shr edi, 5 |
3349 | shl edi, 2 |
3353 | shl edi, 2 |
3350 | add edi, [ebp+NTFS.BitmapBuffer] |
3354 | add edi, [ebp+NTFS.BitmapBuffer] |
3351 | and ecx, 31 |
3355 | and ecx, 31 |
3352 | xor eax, eax |
3356 | xor eax, eax |
3353 | dec eax |
3357 | dec eax |
3354 | shr eax, cl |
3358 | shr eax, cl |
3355 | shl eax, cl |
3359 | shl eax, cl |
3356 | neg ecx |
3360 | neg ecx |
3357 | add ecx, 32 |
3361 | add ecx, 32 |
3358 | sub ecx, ebx |
3362 | sub ecx, ebx |
3359 | jc @f |
3363 | jc @f |
3360 | shl eax, cl ; fits inside dword |
3364 | shl eax, cl ; fits inside dword |
3361 | shr eax, cl |
3365 | shr eax, cl |
3362 | not eax |
3366 | not eax |
3363 | and [edi], eax |
3367 | and [edi], eax |
3364 | jmp .writeBitmap |
3368 | jmp .writeBitmap |
3365 | 3369 | ||
3366 | @@: |
3370 | @@: |
3367 | not eax |
3371 | not eax |
3368 | and [edi], eax |
3372 | and [edi], eax |
3369 | neg ecx |
3373 | neg ecx |
3370 | push ecx |
3374 | push ecx |
3371 | shr ecx, 5 |
3375 | shr ecx, 5 |
3372 | add edi, 4 |
3376 | add edi, 4 |
3373 | xor eax, eax |
3377 | xor eax, eax |
3374 | rep stosd |
3378 | rep stosd |
3375 | pop ecx |
3379 | pop ecx |
3376 | and ecx, 31 |
3380 | and ecx, 31 |
3377 | dec eax |
3381 | dec eax |
3378 | shr eax, cl |
3382 | shr eax, cl |
3379 | shl eax, cl |
3383 | shl eax, cl |
3380 | and [edi], eax |
3384 | and [edi], eax |
3381 | .writeBitmap: |
3385 | .writeBitmap: |
3382 | pop eax |
3386 | pop eax |
3383 | mov edi, eax |
3387 | mov edi, eax |
3384 | lea ecx, [eax+ebx+4095] |
3388 | lea ecx, [eax+ebx+4095] |
3385 | shr eax, 3+9 |
3389 | shr eax, 3+9 |
3386 | shr ecx, 3+9 |
3390 | shr ecx, 3+9 |
3387 | sub ecx, eax |
3391 | sub ecx, eax |
3388 | mov ebx, eax |
3392 | mov ebx, eax |
3389 | shl ebx, 9 |
3393 | shl ebx, 9 |
3390 | add eax, [ebp+NTFS.BitmapLocation] |
3394 | add eax, [ebp+NTFS.BitmapLocation] |
3391 | add ebx, [ebp+NTFS.BitmapBuffer] |
3395 | add ebx, [ebp+NTFS.BitmapBuffer] |
3392 | xor edx, edx |
3396 | xor edx, edx |
3393 | jmp fs_write64_app |
3397 | jmp fs_write64_app |
3394 | 3398 | ||
3395 | bitmapBuffering: |
3399 | bitmapBuffering: |
3396 | ; Extend BitmapBuffer and read next 32kb of bitmap |
3400 | ; Extend BitmapBuffer and read next 32kb of bitmap |
3397 | ; Warning: $Bitmap fragmentation is not foreseen |
3401 | ; Warning: $Bitmap fragmentation is not foreseen |
3398 | ; in: edi -> position in bitmap buffer |
3402 | ; in: edi -> position in bitmap buffer |
3399 | ; out: ecx = number of buffered dwords left |
3403 | ; out: ecx = number of buffered dwords left |
3400 | push ebx |
3404 | push ebx |
3401 | mov eax, [ebp+NTFS.BitmapTotalSize] |
3405 | mov eax, [ebp+NTFS.BitmapTotalSize] |
3402 | cmp eax, [ebp+NTFS.BitmapSize] |
3406 | cmp eax, [ebp+NTFS.BitmapSize] |
3403 | jz .end |
3407 | jz .end |
3404 | stdcall alloc_pages, 8 |
3408 | stdcall alloc_pages, 8 |
3405 | test eax, eax |
3409 | test eax, eax |
3406 | jz .end |
3410 | jz .end |
3407 | add eax, 3 |
3411 | add eax, 3 |
3408 | mov ebx, [ebp+NTFS.BitmapBuffer] |
3412 | mov ebx, [ebp+NTFS.BitmapBuffer] |
3409 | add ebx, [ebp+NTFS.BitmapSize] |
3413 | add ebx, [ebp+NTFS.BitmapSize] |
3410 | push ebx |
3414 | push ebx |
3411 | mov ecx, 8 |
3415 | mov ecx, 8 |
3412 | call commit_pages |
3416 | call commit_pages |
3413 | mov eax, [ebp+NTFS.BitmapSize] |
3417 | mov eax, [ebp+NTFS.BitmapSize] |
3414 | shr eax, 9 |
3418 | shr eax, 9 |
3415 | add eax, [ebp+NTFS.BitmapLocation] |
3419 | add eax, [ebp+NTFS.BitmapLocation] |
3416 | pop ebx |
3420 | pop ebx |
3417 | mov ecx, 64 |
3421 | mov ecx, 64 |
3418 | xor edx, edx |
3422 | xor edx, edx |
3419 | call fs_read64_app |
3423 | call fs_read64_app |
3420 | test eax, eax |
3424 | test eax, eax |
3421 | jnz .err |
3425 | jnz .err |
3422 | mov eax, [ebp+NTFS.BitmapSize] |
3426 | mov eax, [ebp+NTFS.BitmapSize] |
3423 | add eax, 8000h |
3427 | add eax, 8000h |
3424 | cmp [ebp+NTFS.BitmapTotalSize], eax |
3428 | cmp [ebp+NTFS.BitmapTotalSize], eax |
3425 | jnc @f |
3429 | jnc @f |
3426 | mov eax, [ebp+NTFS.BitmapTotalSize] |
3430 | mov eax, [ebp+NTFS.BitmapTotalSize] |
3427 | @@: |
3431 | @@: |
3428 | mov [ebp+NTFS.BitmapSize], eax |
3432 | mov [ebp+NTFS.BitmapSize], eax |
3429 | pop ebx |
3433 | pop ebx |
3430 | mov ecx, [ebp+NTFS.BitmapBuffer] |
3434 | mov ecx, [ebp+NTFS.BitmapBuffer] |
3431 | add ecx, eax |
3435 | add ecx, eax |
3432 | sub ecx, edi |
3436 | sub ecx, edi |
3433 | jbe bitmapBuffering |
3437 | jbe bitmapBuffering |
3434 | shr ecx, 2 |
3438 | shr ecx, 2 |
3435 | ret |
3439 | ret |
3436 | 3440 | ||
3437 | .err: |
3441 | .err: |
3438 | mov eax, [ebp+NTFS.BitmapBuffer] |
3442 | mov eax, [ebp+NTFS.BitmapBuffer] |
3439 | add eax, [ebp+NTFS.BitmapSize] |
3443 | add eax, [ebp+NTFS.BitmapSize] |
3440 | mov ecx, 8 |
3444 | mov ecx, 8 |
3441 | call release_pages |
3445 | call release_pages |
3442 | .end: |
3446 | .end: |
3443 | add esp, 12 ; ret |
3447 | add esp, 12 ; ret |
3444 | stc |
3448 | stc |
3445 | ret |
3449 | ret |
3446 | 3450 | ||
3447 | ;---------------------------------------------------------------- |
3451 | ;---------------------------------------------------------------- |
3448 | ntfs_WriteFile: |
3452 | ntfs_WriteFile: |
3449 | call ntfs_lock |
3453 | call ntfs_lock |
3450 | call ntfs_find_lfn |
3454 | call ntfs_find_lfn |
3451 | jc ntfsNotFound |
3455 | jc ntfsNotFound |
3452 | cmp [ebp+NTFS.cur_iRecord], 16 |
3456 | cmp [ebp+NTFS.cur_iRecord], 16 |
3453 | jc ntfsDenied |
3457 | jc ntfsDenied |
3454 | test dword [eax+fileFlags], 10000001h |
3458 | test dword [eax+fileFlags], 10000001h |
3455 | jnz ntfsDenied |
3459 | jnz ntfsDenied |
3456 | cmp [ebp+NTFS.fragmentCount], 1 |
3460 | cmp [ebp+NTFS.fragmentCount], 1 |
3457 | jnz ntfsUnsupported ; record fragmented |
3461 | jnz ntfsUnsupported ; record fragmented |
3458 | ; edit directory node |
3462 | ; edit directory node |
3459 | mov edi, [ebp+NTFS.cur_index_buf] |
3463 | mov edi, [ebp+NTFS.cur_index_buf] |
3460 | cmp dword [edi], 'INDX' |
3464 | cmp dword [edi], 'INDX' |
3461 | jz @f |
3465 | jz @f |
3462 | mov esi, [ebp+NTFS.frs_buffer] |
3466 | mov esi, [ebp+NTFS.frs_buffer] |
3463 | mov ecx, [esi+recordRealSize] |
3467 | mov ecx, [esi+recordRealSize] |
3464 | shr ecx, 2 |
3468 | shr ecx, 2 |
3465 | rep movsd |
3469 | rep movsd |
3466 | mov esi, [ebp+NTFS.attr_offs] |
3470 | mov esi, [ebp+NTFS.attr_offs] |
3467 | mov cl, [esi+attributeOffset] |
3471 | mov cl, [esi+attributeOffset] |
3468 | sub esi, [ebp+NTFS.frs_buffer] |
3472 | sub esi, [ebp+NTFS.frs_buffer] |
3469 | add eax, ecx |
3473 | add eax, ecx |
3470 | add eax, esi |
3474 | add eax, esi |
3471 | @@: |
3475 | @@: |
3472 | mov edi, eax |
3476 | mov edi, eax |
3473 | mov eax, [ebx+4] |
3477 | mov eax, [ebx+4] |
3474 | mov edx, [ebx+8] |
3478 | mov edx, [ebx+8] |
3475 | add eax, [ebx+12] |
3479 | add eax, [ebx+12] |
3476 | adc edx, 0 |
3480 | adc edx, 0 |
3477 | mov [edi+fileRealSize], eax |
3481 | mov [edi+fileRealSize], eax |
3478 | mov [edi+fileRealSize+4], edx |
3482 | mov [edi+fileRealSize+4], edx |
3479 | push edx eax ebx |
3483 | push edx eax ebx |
3480 | call ntfsGetTime |
3484 | call ntfsGetTime |
3481 | mov [edi+fileModified], eax |
3485 | mov [edi+fileModified], eax |
3482 | mov [edi+fileModified+4], edx |
3486 | mov [edi+fileModified+4], edx |
3483 | mov [edi+recordModified], eax |
3487 | mov [edi+recordModified], eax |
3484 | mov [edi+recordModified+4], edx |
3488 | mov [edi+recordModified+4], edx |
3485 | mov [edi+fileAccessed], eax |
3489 | mov [edi+fileAccessed], eax |
3486 | mov [edi+fileAccessed+4], edx |
3490 | mov [edi+fileAccessed+4], edx |
3487 | pop ebx ecx edx |
3491 | pop ebx ecx edx |
3488 | mov eax, [ebp+NTFS.LastRead] |
3492 | mov eax, [ebp+NTFS.LastRead] |
3489 | mov [ebp+NTFS.nodeLastRead], eax |
3493 | mov [ebp+NTFS.nodeLastRead], eax |
3490 | mov [ebp+NTFS.cur_attr], 0x80 |
3494 | mov [ebp+NTFS.cur_attr], 0x80 |
3491 | mov [ebp+NTFS.cur_offs], 0 |
3495 | mov [ebp+NTFS.cur_offs], 0 |
3492 | mov [ebp+NTFS.cur_size], 0 |
3496 | mov [ebp+NTFS.cur_size], 0 |
3493 | call ntfs_read_attr |
3497 | call ntfs_read_attr |
3494 | jc ntfsFail |
3498 | jc ntfsFail |
3495 | mov esi, edi |
3499 | mov esi, edi |
3496 | mov edi, [ebp+NTFS.frs_buffer] |
3500 | mov edi, [ebp+NTFS.frs_buffer] |
3497 | cmp word [edi+baseRecordReuse], 0 |
3501 | cmp word [edi+baseRecordReuse], 0 |
3498 | jnz ntfsUnsupported ; auxiliary record |
3502 | jnz ntfsUnsupported ; auxiliary record |
3499 | mov al, [edi+attributeOffset] |
3503 | mov al, [edi+attributeOffset] |
3500 | add edi, eax |
3504 | add edi, eax |
3501 | mov al, [edi+attributeOffset] |
3505 | mov al, [edi+attributeOffset] |
3502 | add edi, eax |
3506 | add edi, eax |
3503 | mov eax, ecx |
3507 | mov eax, ecx |
3504 | mov ecx, 6 |
3508 | mov ecx, 6 |
3505 | add esi, fileModified |
3509 | add esi, fileModified |
3506 | add edi, 8 |
3510 | add edi, 8 |
3507 | rep movsd |
3511 | rep movsd |
3508 | mov ecx, [ebp+NTFS.attr_offs] |
3512 | mov ecx, [ebp+NTFS.attr_offs] |
3509 | cmp word [ecx+attributeFlags], 0 |
3513 | cmp word [ecx+attributeFlags], 0 |
3510 | jnz ntfsUnsupported |
3514 | jnz ntfsUnsupported |
3511 | push ebx |
3515 | push ebx |
3512 | cmp byte [ecx+nonResidentFlag], 0 |
3516 | cmp byte [ecx+nonResidentFlag], 0 |
3513 | jz .resizeAttribute |
3517 | jz .resizeAttribute |
3514 | cmp edx, [ecx+attributeRealSize+4] |
3518 | cmp edx, [ecx+attributeRealSize+4] |
3515 | jc .writeNode |
3519 | jc .writeNode |
3516 | jnz .resizeAttribute |
3520 | jnz .resizeAttribute |
3517 | cmp [ecx+attributeRealSize], eax |
3521 | cmp [ecx+attributeRealSize], eax |
3518 | jnc .writeNode |
3522 | jnc .writeNode |
3519 | .resizeAttribute: |
3523 | .resizeAttribute: |
3520 | call resizeAttribute |
3524 | call resizeAttribute |
3521 | jc ntfsErrorPop |
3525 | jc ntfsErrorPop |
3522 | mov ecx, [ebp+NTFS.attr_offs] |
3526 | mov ecx, [ebp+NTFS.attr_offs] |
3523 | cmp byte [ecx+nonResidentFlag], 1 |
3527 | cmp byte [ecx+nonResidentFlag], 1 |
3524 | jz @f |
3528 | jz @f |
3525 | mov ebx, [esp] |
3529 | mov ebx, [esp] |
3526 | movzx edi, byte [ecx+attributeOffset] |
3530 | movzx edi, byte [ecx+attributeOffset] |
3527 | add edi, ecx |
3531 | add edi, ecx |
3528 | add edi, [ebx+4] |
3532 | add edi, [ebx+4] |
3529 | mov ecx, [ebx+12] |
3533 | mov ecx, [ebx+12] |
3530 | mov esi, [ebx+16] |
3534 | mov esi, [ebx+16] |
3531 | rep movsb |
3535 | rep movsb |
3532 | @@: |
3536 | @@: |
3533 | mov ebx, [ebp+NTFS.frs_buffer] |
3537 | mov ebx, [ebp+NTFS.frs_buffer] |
3534 | mov edx, [ebp+NTFS.mftLastRead] |
3538 | mov edx, [ebp+NTFS.mftLastRead] |
3535 | call writeRecord ; file |
3539 | call writeRecord ; file |
3536 | call ntfs_restore_usa_frs |
3540 | call ntfs_restore_usa_frs |
3537 | .writeNode: |
3541 | .writeNode: |
3538 | mov ebx, [ebp+NTFS.cur_index_buf] |
3542 | mov ebx, [ebp+NTFS.cur_index_buf] |
3539 | mov edx, [ebp+NTFS.nodeLastRead] |
3543 | mov edx, [ebp+NTFS.nodeLastRead] |
3540 | call writeRecord ; directory |
3544 | call writeRecord ; directory |
3541 | pop ebx |
3545 | pop ebx |
3542 | mov ecx, [ebp+NTFS.attr_offs] |
3546 | mov ecx, [ebp+NTFS.attr_offs] |
3543 | cmp byte [ecx+nonResidentFlag], 0 |
3547 | cmp byte [ecx+nonResidentFlag], 0 |
3544 | jz .done |
3548 | jz .done |
3545 | mov ecx, [ebx+12] |
3549 | mov ecx, [ebx+12] |
3546 | test ecx, ecx |
3550 | test ecx, ecx |
3547 | jz .done |
3551 | jz .done |
3548 | mov eax, [ebx+4] |
3552 | mov eax, [ebx+4] |
3549 | mov edx, [ebx+8] |
3553 | mov edx, [ebx+8] |
3550 | mov esi, [ebx+16] |
3554 | mov esi, [ebx+16] |
3551 | shrd eax, edx, 9 |
3555 | shrd eax, edx, 9 |
3552 | test dword[ebx+4], 1FFh |
3556 | test dword[ebx+4], 1FFh |
3553 | jz .aligned |
3557 | jz .aligned |
3554 | mov [ebp+NTFS.cur_offs], eax |
3558 | mov [ebp+NTFS.cur_offs], eax |
3555 | mov [ebp+NTFS.cur_size], 1 |
3559 | mov [ebp+NTFS.cur_size], 1 |
3556 | lea edi, [ebp+NTFS.bitmap_buf] |
3560 | lea edi, [ebp+NTFS.bitmap_buf] |
3557 | mov [ebp+NTFS.cur_buf], edi |
3561 | mov [ebp+NTFS.cur_buf], edi |
3558 | call ntfs_read_attr.continue |
3562 | call ntfs_read_attr.continue |
3559 | jc ntfsDevice |
3563 | jc ntfsDevice |
3560 | mov eax, [ebx+4] |
3564 | mov eax, [ebx+4] |
3561 | and eax, 1FFh |
3565 | and eax, 1FFh |
3562 | add edi, eax |
3566 | add edi, eax |
3563 | sub eax, [ebp+NTFS.cur_read] |
3567 | sub eax, [ebp+NTFS.cur_read] |
3564 | neg eax |
3568 | neg eax |
3565 | push ecx |
3569 | push ecx |
3566 | cmp ecx, eax |
3570 | cmp ecx, eax |
3567 | jb @f |
3571 | jb @f |
3568 | mov ecx, eax |
3572 | mov ecx, eax |
3569 | @@: |
3573 | @@: |
3570 | sub [esp], ecx |
3574 | sub [esp], ecx |
3571 | rep movsb |
3575 | rep movsb |
3572 | push ebx |
3576 | push ebx |
3573 | mov eax, [ebp+NTFS.LastRead] |
3577 | mov eax, [ebp+NTFS.LastRead] |
3574 | lea ebx, [ebp+NTFS.bitmap_buf] |
3578 | lea ebx, [ebp+NTFS.bitmap_buf] |
3575 | mov ecx, 1 |
3579 | mov ecx, 1 |
3576 | xor edx, edx |
3580 | xor edx, edx |
3577 | call fs_write64_app |
3581 | call fs_write64_app |
3578 | pop ebx |
3582 | pop ebx |
3579 | pop ecx |
3583 | pop ecx |
3580 | test ecx, ecx |
3584 | test ecx, ecx |
3581 | jz .done |
3585 | jz .done |
3582 | mov eax, [ebx+4] |
3586 | mov eax, [ebx+4] |
3583 | mov edx, [ebx+8] |
3587 | mov edx, [ebx+8] |
3584 | shrd eax, edx, 9 |
3588 | shrd eax, edx, 9 |
3585 | inc eax |
3589 | inc eax |
3586 | .aligned: |
3590 | .aligned: |
3587 | push ecx |
3591 | push ecx |
3588 | shr ecx, 9 |
3592 | shr ecx, 9 |
3589 | mov [ebp+NTFS.cur_offs], eax |
3593 | mov [ebp+NTFS.cur_offs], eax |
3590 | mov [ebp+NTFS.cur_size], ecx |
3594 | mov [ebp+NTFS.cur_size], ecx |
3591 | mov [ebp+NTFS.cur_buf], esi |
3595 | mov [ebp+NTFS.cur_buf], esi |
3592 | add eax, ecx |
3596 | add eax, ecx |
3593 | push eax |
3597 | push eax |
3594 | mov [ebp+NTFS.bWriteAttr], 1 |
3598 | mov [ebp+NTFS.bWriteAttr], 1 |
3595 | call ntfs_read_attr.continue |
3599 | call ntfs_read_attr.continue |
3596 | mov [ebp+NTFS.bWriteAttr], 0 |
3600 | mov [ebp+NTFS.bWriteAttr], 0 |
3597 | pop [ebp+NTFS.cur_offs] |
3601 | pop [ebp+NTFS.cur_offs] |
3598 | pop ecx |
3602 | pop ecx |
3599 | jc ntfsDevice |
3603 | jc ntfsDevice |
3600 | and ecx, 1FFh |
3604 | and ecx, 1FFh |
3601 | jz .done |
3605 | jz .done |
3602 | add esi, [ebp+NTFS.cur_read] |
3606 | add esi, [ebp+NTFS.cur_read] |
3603 | mov [ebp+NTFS.cur_size], 1 |
3607 | mov [ebp+NTFS.cur_size], 1 |
3604 | lea edi, [ebp+NTFS.bitmap_buf] |
3608 | lea edi, [ebp+NTFS.bitmap_buf] |
3605 | mov [ebp+NTFS.cur_buf], edi |
3609 | mov [ebp+NTFS.cur_buf], edi |
3606 | call ntfs_read_attr.continue |
3610 | call ntfs_read_attr.continue |
3607 | jc ntfsDevice |
3611 | jc ntfsDevice |
3608 | rep movsb |
3612 | rep movsb |
3609 | push ebx |
3613 | push ebx |
3610 | mov eax, [ebp+NTFS.LastRead] |
3614 | mov eax, [ebp+NTFS.LastRead] |
3611 | lea ebx, [ebp+NTFS.bitmap_buf] |
3615 | lea ebx, [ebp+NTFS.bitmap_buf] |
3612 | mov ecx, 1 |
3616 | mov ecx, 1 |
3613 | xor edx, edx |
3617 | xor edx, edx |
3614 | call fs_write64_app |
3618 | call fs_write64_app |
3615 | pop ebx |
3619 | pop ebx |
3616 | .done: |
3620 | .done: |
3617 | mov ebx, [ebx+12] |
3621 | mov ebx, [ebx+12] |
3618 | jmp ntfsDone |
3622 | jmp ntfsDone |
3619 | 3623 | ||
3620 | ;---------------------------------------------------------------- |
3624 | ;---------------------------------------------------------------- |
3621 | ntfs_Delete: |
3625 | ntfs_Delete: |
3622 | call ntfs_lock |
3626 | call ntfs_lock |
3623 | call ntfs_find_lfn |
3627 | call ntfs_find_lfn |
3624 | jc ntfsNotFound |
3628 | jc ntfsNotFound |
3625 | cmp [ebp+NTFS.cur_iRecord], 16 |
3629 | cmp [ebp+NTFS.cur_iRecord], 16 |
3626 | jc ntfsDenied |
3630 | jc ntfsDenied |
3627 | test byte [eax+fileFlags], 1 |
3631 | test byte [eax+fileFlags], 1 |
3628 | jnz ntfsDenied |
3632 | jnz ntfsDenied |
3629 | cmp [ebp+NTFS.fragmentCount], 1 |
3633 | cmp [ebp+NTFS.fragmentCount], 1 |
3630 | jnz ntfsUnsupported ; record fragmented |
3634 | jnz ntfsUnsupported ; record fragmented |
3631 | mov ebx, [eax+directoryRecordReference] |
3635 | mov ebx, [eax+directoryRecordReference] |
3632 | mov [ebp+NTFS.newRecord], ebx |
3636 | mov [ebp+NTFS.newRecord], ebx |
3633 | mov bx, [eax+fileReferenceReuse] |
3637 | mov bx, [eax+fileReferenceReuse] |
3634 | mov [ebp+NTFS.indexPointer], esi |
3638 | mov [ebp+NTFS.indexPointer], esi |
3635 | mov eax, [ebp+NTFS.cur_iRecord] |
3639 | mov eax, [ebp+NTFS.cur_iRecord] |
3636 | shr eax, 3 |
3640 | shr eax, 3 |
3637 | cmp eax, [ebp+NTFS.mftBitmapSize] |
3641 | cmp eax, [ebp+NTFS.mftBitmapSize] |
3638 | jnc ntfsUnsupported |
3642 | jnc ntfsUnsupported |
3639 | ; examine file record |
3643 | ; examine file record |
3640 | mov [ebp+NTFS.cur_attr], 0x80 ; file? |
3644 | mov [ebp+NTFS.cur_attr], 0x80 ; file? |
3641 | mov [ebp+NTFS.cur_offs], 0 |
3645 | mov [ebp+NTFS.cur_offs], 0 |
3642 | mov [ebp+NTFS.cur_size], 0 |
3646 | mov [ebp+NTFS.cur_size], 0 |
3643 | call ntfs_read_attr |
3647 | call ntfs_read_attr |
3644 | jnc @f |
3648 | jnc @f |
3645 | xor eax, eax |
3649 | xor eax, eax |
3646 | push ebx eax eax eax eax |
3650 | push ebx eax eax eax eax |
3647 | mov [esp+12], esp |
3651 | mov [esp+12], esp |
3648 | push eax |
3652 | push eax |
3649 | mov ebx, esp |
3653 | mov ebx, esp |
3650 | mov [ebp+NTFS.cur_attr], 0x90 ; folder? |
3654 | mov [ebp+NTFS.cur_attr], 0x90 ; folder? |
3651 | call ntfs_ReadFolder.doit |
3655 | call ntfs_ReadFolder.doit |
3652 | mov edx, [esp+12] |
3656 | mov edx, [esp+12] |
3653 | add esp, 20 |
3657 | add esp, 20 |
3654 | pop ebx |
3658 | pop ebx |
3655 | test eax, eax |
3659 | test eax, eax |
3656 | jnz .ret |
3660 | jnz .ret |
3657 | cmp edx, 2 |
3661 | cmp edx, 2 |
3658 | jnz ntfsDenied ; folder is not empty |
3662 | jnz ntfsDenied ; folder is not empty |
3659 | mov [ebp+NTFS.cur_attr], 0xA0 |
3663 | mov [ebp+NTFS.cur_attr], 0xA0 |
3660 | mov [ebp+NTFS.cur_offs], 0 |
3664 | mov [ebp+NTFS.cur_offs], 0 |
3661 | mov [ebp+NTFS.cur_size], 0 |
3665 | mov [ebp+NTFS.cur_size], 0 |
3662 | call ntfs_read_attr.newAttribute |
3666 | call ntfs_read_attr.newAttribute |
3663 | jc .deleteFileRecord |
3667 | jc .deleteFileRecord |
3664 | @@: |
3668 | @@: |
3665 | mov esi, [ebp+NTFS.frs_buffer] |
3669 | mov esi, [ebp+NTFS.frs_buffer] |
3666 | cmp word [esi+baseRecordReuse], 0 |
3670 | cmp word [esi+baseRecordReuse], 0 |
3667 | jnz ntfsUnsupported ; auxiliary record |
3671 | jnz ntfsUnsupported ; auxiliary record |
3668 | cmp word [esi+reuseCounter], bx |
3672 | cmp word [esi+reuseCounter], bx |
3669 | jnz .backToIndex ; broken index |
3673 | jnz .backToIndex ; broken index |
3670 | test byte [esi+recordFlags], 1 |
3674 | test byte [esi+recordFlags], 1 |
3671 | jz .writeBitmapMFT ; record deleted |
3675 | jz .writeBitmapMFT ; record deleted |
3672 | cmp byte [esi+hardLinkCounter], 3 |
3676 | cmp byte [esi+hardLinkCounter], 3 |
3673 | jnc ntfsUnsupported |
3677 | jnc ntfsUnsupported |
3674 | mov esi, [ebp+NTFS.attr_offs] |
3678 | mov esi, [ebp+NTFS.attr_offs] |
3675 | cmp byte [esi+nonResidentFlag], 0 |
3679 | cmp byte [esi+nonResidentFlag], 0 |
3676 | jz .deleteFileRecord |
3680 | jz .deleteFileRecord |
3677 | movzx eax, byte [esi+dataRunsOffset] |
3681 | movzx eax, byte [esi+dataRunsOffset] |
3678 | add esi, eax |
3682 | add esi, eax |
3679 | xor edi, edi |
3683 | xor edi, edi |
3680 | sub esp, 16 |
3684 | sub esp, 16 |
3681 | @@: |
3685 | @@: |
3682 | call ntfs_decode_mcb_entry |
3686 | call ntfs_decode_mcb_entry |
3683 | jnc @f |
3687 | jnc @f |
3684 | cmp dword[esp+8], 0 |
3688 | cmp dword[esp+8], 0 |
3685 | jz @b |
3689 | jz @b |
3686 | add edi, [esp+8] |
3690 | add edi, [esp+8] |
3687 | mov ebx, [esp] |
3691 | mov ebx, [esp] |
3688 | call ntfsSpaceFree |
3692 | call ntfsSpaceFree |
3689 | jnc @b |
3693 | jnc @b |
3690 | @@: |
3694 | @@: |
3691 | add esp, 16 |
3695 | add esp, 16 |
3692 | .deleteFileRecord: |
3696 | .deleteFileRecord: |
3693 | mov ebx, [ebp+NTFS.frs_buffer] |
3697 | mov ebx, [ebp+NTFS.frs_buffer] |
3694 | mov byte [ebx+recordFlags], 0 |
3698 | mov byte [ebx+recordFlags], 0 |
3695 | mov edx, [ebp+NTFS.mftLastRead] |
3699 | mov edx, [ebp+NTFS.mftLastRead] |
3696 | call writeRecord |
3700 | call writeRecord |
3697 | .writeBitmapMFT: |
3701 | .writeBitmapMFT: |
3698 | mov eax, [ebp+NTFS.cur_iRecord] |
3702 | mov eax, [ebp+NTFS.cur_iRecord] |
3699 | mov ecx, eax |
3703 | mov ecx, eax |
3700 | shr eax, 3 |
3704 | shr eax, 3 |
3701 | and ecx, 7 |
3705 | and ecx, 7 |
3702 | mov edi, [ebp+NTFS.mftBitmapBuffer] |
3706 | mov edi, [ebp+NTFS.mftBitmapBuffer] |
3703 | btr [edi+eax], ecx |
3707 | btr [edi+eax], ecx |
3704 | shr eax, 9 |
3708 | shr eax, 9 |
3705 | mov ebx, eax |
3709 | mov ebx, eax |
3706 | shl ebx, 9 |
3710 | shl ebx, 9 |
3707 | add eax, [ebp+NTFS.mftBitmapLocation] |
3711 | add eax, [ebp+NTFS.mftBitmapLocation] |
3708 | add ebx, edi |
3712 | add ebx, edi |
3709 | mov ecx, 1 |
3713 | mov ecx, 1 |
3710 | xor edx, edx |
3714 | xor edx, edx |
3711 | call fs_write64_sys |
3715 | call fs_write64_sys |
3712 | .backToIndex: |
3716 | .backToIndex: |
3713 | mov eax, [ebp+NTFS.newRecord] |
3717 | mov eax, [ebp+NTFS.newRecord] |
3714 | mov [ebp+NTFS.cur_iRecord], eax |
3718 | mov [ebp+NTFS.cur_iRecord], eax |
3715 | mov esi, [ebp+NTFS.indexPointer] |
3719 | mov esi, [ebp+NTFS.indexPointer] |
3716 | call ntfs_find_lfn.doit2 |
3720 | call ntfs_find_lfn.doit2 |
3717 | jc ntfsFail |
3721 | jc ntfsFail |
3718 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
3722 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
3719 | mov byte [ebx], 0 |
3723 | mov byte [ebx], 0 |
3720 | mov ebx, [ebp+NTFS.LastRead] |
3724 | mov ebx, [ebp+NTFS.LastRead] |
3721 | mov [ebp+NTFS.nodeLastRead], ebx |
3725 | mov [ebp+NTFS.nodeLastRead], ebx |
3722 | xor ebx, ebx |
3726 | xor ebx, ebx |
3723 | test byte [eax+indexFlags], 1 |
3727 | test byte [eax+indexFlags], 1 |
3724 | jz .deleteIndex ; no subnode |
3728 | jz .deleteIndex ; no subnode |
3725 | mov edi, eax |
3729 | mov edi, eax |
3726 | call .findSubindex |
3730 | call .findSubindex |
3727 | jc ntfsFail |
3731 | jc ntfsFail |
3728 | movzx edx, word [edi+indexAllocatedSize] |
3732 | movzx edx, word [edi+indexAllocatedSize] |
3729 | test esi, esi |
3733 | test esi, esi |
3730 | jz @f |
3734 | jz @f |
3731 | sub edx, eax |
3735 | sub edx, eax |
3732 | sub edx, 8 |
3736 | sub edx, 8 |
3733 | @@: |
3737 | @@: |
3734 | mov eax, edi |
3738 | mov eax, edi |
3735 | mov ebx, esi |
3739 | mov ebx, esi |
3736 | jmp @f |
3740 | jmp @f |
3737 | 3741 | ||
3738 | .deleteIndex: |
3742 | .deleteIndex: |
3739 | movzx edx, word [eax+indexAllocatedSize] |
3743 | movzx edx, word [eax+indexAllocatedSize] |
3740 | mov ecx, [eax+fileRecordReference] |
3744 | mov ecx, [eax+fileRecordReference] |
3741 | cmp [eax+edx+fileRecordReference], ecx |
3745 | cmp [eax+edx+fileRecordReference], ecx |
3742 | jnz @f |
3746 | jnz @f |
3743 | add dx, [eax+edx+indexAllocatedSize] |
3747 | add dx, [eax+edx+indexAllocatedSize] |
3744 | @@: |
3748 | @@: |
3745 | mov edi, [ebp+NTFS.cur_index_buf] |
3749 | mov edi, [ebp+NTFS.cur_index_buf] |
3746 | cmp dword [edi], 'INDX' |
3750 | cmp dword [edi], 'INDX' |
3747 | jz .indexRecord |
3751 | jz .indexRecord |
3748 | sub eax, edi |
3752 | sub eax, edi |
3749 | mov edi, [ebp+NTFS.indexRoot] |
3753 | mov edi, [ebp+NTFS.indexRoot] |
3750 | sub [edi+sizeWithHeader], edx |
3754 | sub [edi+sizeWithHeader], edx |
3751 | sub [edi+sizeWithoutHeader], edx |
3755 | sub [edi+sizeWithoutHeader], edx |
3752 | movzx ecx, byte [edi+attributeOffset] |
3756 | movzx ecx, byte [edi+attributeOffset] |
3753 | add edi, ecx |
3757 | add edi, ecx |
3754 | add eax, edi |
3758 | add eax, edi |
3755 | sub [edi+rootNode+nodeRealSize], edx |
3759 | sub [edi+rootNode+nodeRealSize], edx |
3756 | sub [edi+rootNode+nodeAllocatedSize], edx |
3760 | sub [edi+rootNode+nodeAllocatedSize], edx |
3757 | mov edi, [ebp+NTFS.frs_buffer] |
3761 | mov edi, [ebp+NTFS.frs_buffer] |
3758 | sub [edi+recordRealSize], edx |
3762 | sub [edi+recordRealSize], edx |
3759 | mov ecx, [edi+recordRealSize] |
3763 | mov ecx, [edi+recordRealSize] |
3760 | cmp [edi+recordAllocatedSize], ecx |
3764 | cmp [edi+recordAllocatedSize], ecx |
3761 | jmp @f |
3765 | jmp @f |
3762 | 3766 | ||
3763 | .indexRecord: |
3767 | .indexRecord: |
3764 | add edi, recordNode |
3768 | add edi, recordNode |
3765 | sub [edi+nodeRealSize], edx |
3769 | sub [edi+nodeRealSize], edx |
3766 | mov ecx, [edi+nodeRealSize] |
3770 | mov ecx, [edi+nodeRealSize] |
3767 | cmp [edi+nodeAllocatedSize], ecx |
3771 | cmp [edi+nodeAllocatedSize], ecx |
3768 | @@: |
3772 | @@: |
3769 | jc ntfsUnsupported |
3773 | jc ntfsUnsupported |
3770 | add ecx, edi |
3774 | add ecx, edi |
3771 | sub ecx, eax |
3775 | sub ecx, eax |
3772 | mov esi, eax |
3776 | mov esi, eax |
3773 | add esi, edx |
3777 | add esi, edx |
3774 | mov edi, eax |
3778 | mov edi, eax |
3775 | test edx, edx |
3779 | test edx, edx |
3776 | jns @f |
3780 | jns @f |
3777 | neg edx |
3781 | neg edx |
3778 | add edx, ecx |
3782 | add edx, ecx |
3779 | sub edx, 4 |
3783 | sub edx, 4 |
3780 | add esi, edx |
3784 | add esi, edx |
3781 | add edi, edx |
3785 | add edi, edx |
3782 | std |
3786 | std |
3783 | @@: |
3787 | @@: |
3784 | jz @f |
3788 | jz @f |
3785 | shr ecx, 2 |
3789 | shr ecx, 2 |
3786 | rep movsd |
3790 | rep movsd |
3787 | cld |
3791 | cld |
3788 | @@: |
3792 | @@: |
3789 | test ebx, ebx |
3793 | test ebx, ebx |
3790 | jz .done |
3794 | jz .done |
3791 | ; copy index from the subnode to replace deleted pointing index |
3795 | ; copy index from the subnode to replace deleted pointing index |
3792 | movzx ecx, word [ebx+indexAllocatedSize] |
3796 | movzx ecx, word [ebx+indexAllocatedSize] |
3793 | mov edx, ecx |
3797 | mov edx, ecx |
3794 | test byte [ebx+indexFlags], 1 |
3798 | test byte [ebx+indexFlags], 1 |
3795 | jz @f |
3799 | jz @f |
3796 | sub ecx, 8 |
3800 | sub ecx, 8 |
3797 | movzx edi, word [ebx+edx+indexAllocatedSize] |
3801 | movzx edi, word [ebx+edx+indexAllocatedSize] |
3798 | add edi, edx |
3802 | add edi, edx |
3799 | mov esi, [ebx+ecx] |
3803 | mov esi, [ebx+ecx] |
3800 | mov [ebx+edi-8], esi |
3804 | mov [ebx+edi-8], esi |
3801 | mov [ebx+indexAllocatedSize], cx |
3805 | mov [ebx+indexAllocatedSize], cx |
3802 | @@: |
3806 | @@: |
3803 | shr ecx, 2 |
3807 | shr ecx, 2 |
3804 | mov esi, ebx |
3808 | mov esi, ebx |
3805 | mov edi, eax |
3809 | mov edi, eax |
3806 | rep movsd |
3810 | rep movsd |
3807 | add word [eax+indexAllocatedSize], 8 |
3811 | add word [eax+indexAllocatedSize], 8 |
3808 | mov byte [eax+indexFlags], 1 |
3812 | mov byte [eax+indexFlags], 1 |
3809 | mov edi, [ebp+NTFS.secondIndexBuffer] |
3813 | mov edi, [ebp+NTFS.secondIndexBuffer] |
3810 | mov eax, ebx |
3814 | mov eax, ebx |
3811 | xor ebx, ebx |
3815 | xor ebx, ebx |
3812 | jmp .indexRecord |
3816 | jmp .indexRecord |
3813 | 3817 | ||
3814 | .done: |
3818 | .done: |
3815 | mov ebx, [ebp+NTFS.frs_buffer] |
3819 | mov ebx, [ebp+NTFS.frs_buffer] |
3816 | mov edx, [ebp+NTFS.rootLastRead] |
3820 | mov edx, [ebp+NTFS.rootLastRead] |
3817 | call writeRecord |
3821 | call writeRecord |
3818 | mov ebx, [ebp+NTFS.cur_index_buf] |
3822 | mov ebx, [ebp+NTFS.cur_index_buf] |
3819 | cmp dword [ebx], 'INDX' |
3823 | cmp dword [ebx], 'INDX' |
3820 | jnz @f |
3824 | jnz @f |
3821 | mov edx, [ebp+NTFS.nodeLastRead] |
3825 | mov edx, [ebp+NTFS.nodeLastRead] |
3822 | call writeRecord |
3826 | call writeRecord |
3823 | @@: |
3827 | @@: |
3824 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
3828 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
3825 | cmp byte [ebx], 0 |
3829 | cmp byte [ebx], 0 |
3826 | jz ntfsDone |
3830 | jz ntfsDone |
3827 | mov edx, [ebp+NTFS.LastRead] |
3831 | mov edx, [ebp+NTFS.LastRead] |
3828 | call writeRecord |
3832 | call writeRecord |
3829 | jmp ntfsDone |
3833 | jmp ntfsDone |
3830 | 3834 | ||
3831 | .findSubindex: |
3835 | .findSubindex: |
3832 | ; in: eax -> index |
3836 | ; in: eax -> index |
3833 | ; out: |
3837 | ; out: |
3834 | ; CF=1 -> error |
3838 | ; CF=1 -> error |
3835 | ; esi=0 -> subnode deleted |
3839 | ; esi=0 -> subnode deleted |
3836 | ; esi -> replacement index |
3840 | ; esi -> replacement index |
3837 | ; eax = index effective size |
3841 | ; eax = index effective size |
3838 | movzx edx, word [eax+indexAllocatedSize] |
3842 | movzx edx, word [eax+indexAllocatedSize] |
3839 | mov eax, [eax+edx-8] |
3843 | mov eax, [eax+edx-8] |
3840 | mov edx, [ebp+NTFS.cur_size] |
3844 | mov edx, [ebp+NTFS.cur_size] |
3841 | push edx |
3845 | push edx |
3842 | cmp edx, [ebp+NTFS.cur_subnode_size] |
3846 | cmp edx, [ebp+NTFS.cur_subnode_size] |
3843 | jz @f |
3847 | jz @f |
3844 | mul [ebp+NTFS.sectors_per_cluster] |
3848 | mul [ebp+NTFS.sectors_per_cluster] |
3845 | @@: |
3849 | @@: |
3846 | mov [ebp+NTFS.cur_attr], 0xA0 |
3850 | mov [ebp+NTFS.cur_attr], 0xA0 |
3847 | mov [ebp+NTFS.cur_offs], eax |
3851 | mov [ebp+NTFS.cur_offs], eax |
3848 | push eax |
3852 | push eax |
3849 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
3853 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
3850 | mov esi, ebx |
3854 | mov esi, ebx |
3851 | mov [ebp+NTFS.cur_buf], ebx |
3855 | mov [ebp+NTFS.cur_buf], ebx |
3852 | call ntfs_read_attr.newAttribute |
3856 | call ntfs_read_attr.newAttribute |
3853 | pop [ebp+NTFS.cur_offs] |
3857 | pop [ebp+NTFS.cur_offs] |
3854 | pop eax |
3858 | pop eax |
3855 | jc .ret |
3859 | jc .ret |
3856 | cmp dword [esi], 'INDX' |
3860 | cmp dword [esi], 'INDX' |
3857 | stc |
3861 | stc |
3858 | jnz .ret |
3862 | jnz .ret |
3859 | mov [ebp+NTFS.cur_size], eax |
3863 | mov [ebp+NTFS.cur_size], eax |
3860 | shl eax, 9 |
3864 | shl eax, 9 |
3861 | call ntfs_restore_usa |
3865 | call ntfs_restore_usa |
3862 | jc .ret |
3866 | jc .ret |
3863 | add esi, recordNode |
3867 | add esi, recordNode |
3864 | add esi, [esi+indexOffset] |
3868 | add esi, [esi+indexOffset] |
3865 | test byte [esi+indexFlags], 2 |
3869 | test byte [esi+indexFlags], 2 |
3866 | jnz .emptyNode |
3870 | jnz .emptyNode |
3867 | cmp [ebp+NTFS.fragmentCount], 1 |
3871 | cmp [ebp+NTFS.fragmentCount], 1 |
3868 | stc |
3872 | stc |
3869 | jnz .ret ; record fragmented |
3873 | jnz .ret ; record fragmented |
3870 | xor eax, eax |
3874 | xor eax, eax |
3871 | @@: |
3875 | @@: |
3872 | add esi, eax |
3876 | add esi, eax |
3873 | mov ax, [esi+indexAllocatedSize] |
3877 | mov ax, [esi+indexAllocatedSize] |
3874 | test byte [esi+eax+indexFlags], 2 |
3878 | test byte [esi+eax+indexFlags], 2 |
3875 | jz @b |
3879 | jz @b |
3876 | test byte [esi+indexFlags], 1 |
3880 | test byte [esi+indexFlags], 1 |
3877 | jz .ret |
3881 | jz .ret |
3878 | add eax, esi |
3882 | add eax, esi |
3879 | push esi |
3883 | push esi |
3880 | push [ebp+NTFS.cur_offs] |
3884 | push [ebp+NTFS.cur_offs] |
3881 | call .findSubindex |
3885 | call .findSubindex |
3882 | pop [ebp+NTFS.cur_offs] |
3886 | pop [ebp+NTFS.cur_offs] |
3883 | pop edx |
3887 | pop edx |
3884 | jc .ret |
3888 | jc .ret |
3885 | test esi, esi |
3889 | test esi, esi |
3886 | jnz .ret |
3890 | jnz .ret |
3887 | mov esi, edx |
3891 | mov esi, edx |
3888 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
3892 | mov ebx, [ebp+NTFS.secondIndexBuffer] |
3889 | mov [ebp+NTFS.cur_buf], ebx |
3893 | mov [ebp+NTFS.cur_buf], ebx |
3890 | push [ebp+NTFS.cur_size] |
3894 | push [ebp+NTFS.cur_size] |
3891 | call ntfs_read_attr.continue |
3895 | call ntfs_read_attr.continue |
3892 | pop eax |
3896 | pop eax |
3893 | jc .ret |
3897 | jc .ret |
3894 | shl eax, 9 |
3898 | shl eax, 9 |
3895 | call ntfs_restore_usa |
3899 | call ntfs_restore_usa |
3896 | jc .ret |
3900 | jc .ret |
3897 | movzx eax, word [esi+indexAllocatedSize] |
3901 | movzx eax, word [esi+indexAllocatedSize] |
3898 | sub eax, 8 |
3902 | sub eax, 8 |
3899 | .ret: |
3903 | .ret: |
3900 | ret |
3904 | ret |
3901 | 3905 | ||
3902 | .emptyNode: |
3906 | .emptyNode: |
3903 | test byte [esi+indexFlags], 1 |
3907 | test byte [esi+indexFlags], 1 |
3904 | jz @f |
3908 | jz @f |
3905 | mov eax, esi |
3909 | mov eax, esi |
3906 | push [ebp+NTFS.cur_offs] |
3910 | push [ebp+NTFS.cur_offs] |
3907 | call .findSubindex |
3911 | call .findSubindex |
3908 | pop [ebp+NTFS.cur_offs] |
3912 | pop [ebp+NTFS.cur_offs] |
3909 | jc .ret |
3913 | jc .ret |
3910 | test esi, esi |
3914 | test esi, esi |
3911 | jnz .ret |
3915 | jnz .ret |
3912 | @@: ; delete node |
3916 | @@: ; delete node |
3913 | mov esi, [ebp+NTFS.attr_offs] |
3917 | mov esi, [ebp+NTFS.attr_offs] |
3914 | add esi, [esi+sizeWithHeader] |
3918 | add esi, [esi+sizeWithHeader] |
3915 | cmp byte [esi], 0xB0 |
3919 | cmp byte [esi], 0xB0 |
3916 | stc |
3920 | stc |
3917 | jnz .ret |
3921 | jnz .ret |
3918 | movzx eax, byte [esi+attributeOffset] |
3922 | movzx eax, byte [esi+attributeOffset] |
3919 | add esi, eax |
3923 | add esi, eax |
3920 | mov eax, [ebp+NTFS.cur_offs] |
3924 | mov eax, [ebp+NTFS.cur_offs] |
3921 | xor edx, edx |
3925 | xor edx, edx |
3922 | div [ebp+NTFS.cur_size] |
3926 | div [ebp+NTFS.cur_size] |
3923 | mov edx, eax |
3927 | mov edx, eax |
3924 | shr eax, 3 |
3928 | shr eax, 3 |
3925 | and edx, 7 |
3929 | and edx, 7 |
3926 | btr [esi+eax], edx |
3930 | btr [esi+eax], edx |
3927 | mov esi, [ebp+NTFS.secondIndexBuffer] |
3931 | mov esi, [ebp+NTFS.secondIndexBuffer] |
3928 | mov byte [esi], 0 |
3932 | mov byte [esi], 0 |
3929 | xor esi, esi |
3933 | xor esi, esi |
3930 | ret |
3934 | ret |
3931 | 3935 | ||
3932 | ;---------------------------------------------------------------- |
3936 | ;---------------------------------------------------------------- |
3933 | ntfs_SetFileEnd: |
3937 | ntfs_SetFileEnd: |
3934 | call ntfs_lock |
3938 | call ntfs_lock |
3935 | call ntfs_find_lfn |
3939 | call ntfs_find_lfn |
3936 | jc ntfsNotFound |
3940 | jc ntfsNotFound |
3937 | cmp [ebp+NTFS.cur_iRecord], 16 |
3941 | cmp [ebp+NTFS.cur_iRecord], 16 |
3938 | jc ntfsDenied |
3942 | jc ntfsDenied |
3939 | test dword [eax+fileFlags], 10000001h |
3943 | test dword [eax+fileFlags], 10000001h |
3940 | jnz ntfsDenied |
3944 | jnz ntfsDenied |
3941 | cmp [ebp+NTFS.fragmentCount], 1 |
3945 | cmp [ebp+NTFS.fragmentCount], 1 |
3942 | jnz ntfsUnsupported ; record fragmented |
3946 | jnz ntfsUnsupported ; record fragmented |
3943 | ; edit directory node |
3947 | ; edit directory node |
3944 | mov edi, [ebp+NTFS.cur_index_buf] |
3948 | mov edi, [ebp+NTFS.cur_index_buf] |
3945 | cmp dword [edi], 'INDX' |
3949 | cmp dword [edi], 'INDX' |
3946 | jz @f |
3950 | jz @f |
3947 | mov esi, [ebp+NTFS.frs_buffer] |
3951 | mov esi, [ebp+NTFS.frs_buffer] |
3948 | mov ecx, [esi+recordRealSize] |
3952 | mov ecx, [esi+recordRealSize] |
3949 | shr ecx, 2 |
3953 | shr ecx, 2 |
3950 | rep movsd |
3954 | rep movsd |
3951 | mov esi, [ebp+NTFS.attr_offs] |
3955 | mov esi, [ebp+NTFS.attr_offs] |
3952 | mov cl, [esi+attributeOffset] |
3956 | mov cl, [esi+attributeOffset] |
3953 | sub esi, [ebp+NTFS.frs_buffer] |
3957 | sub esi, [ebp+NTFS.frs_buffer] |
3954 | add eax, ecx |
3958 | add eax, ecx |
3955 | add eax, esi |
3959 | add eax, esi |
3956 | @@: |
3960 | @@: |
3957 | mov edi, eax |
3961 | mov edi, eax |
3958 | mov eax, [ebx+4] |
3962 | mov eax, [ebx+4] |
3959 | mov edx, [ebx+8] |
3963 | mov edx, [ebx+8] |
3960 | mov [edi+fileRealSize], eax |
3964 | mov [edi+fileRealSize], eax |
3961 | mov [edi+fileRealSize+4], edx |
3965 | mov [edi+fileRealSize+4], edx |
3962 | push edx eax ebx |
3966 | push edx eax ebx |
3963 | call ntfsGetTime |
3967 | call ntfsGetTime |
3964 | mov [edi+fileModified], eax |
3968 | mov [edi+fileModified], eax |
3965 | mov [edi+fileModified+4], edx |
3969 | mov [edi+fileModified+4], edx |
3966 | mov [edi+recordModified], eax |
3970 | mov [edi+recordModified], eax |
3967 | mov [edi+recordModified+4], edx |
3971 | mov [edi+recordModified+4], edx |
3968 | mov [edi+fileAccessed], eax |
3972 | mov [edi+fileAccessed], eax |
3969 | mov [edi+fileAccessed+4], edx |
3973 | mov [edi+fileAccessed+4], edx |
3970 | pop ebx ecx edx |
3974 | pop ebx ecx edx |
3971 | mov eax, [ebp+NTFS.LastRead] |
3975 | mov eax, [ebp+NTFS.LastRead] |
3972 | mov [ebp+NTFS.nodeLastRead], eax |
3976 | mov [ebp+NTFS.nodeLastRead], eax |
3973 | mov [ebp+NTFS.cur_attr], 0x80 |
3977 | mov [ebp+NTFS.cur_attr], 0x80 |
3974 | mov [ebp+NTFS.cur_offs], 0 |
3978 | mov [ebp+NTFS.cur_offs], 0 |
3975 | mov [ebp+NTFS.cur_size], 0 |
3979 | mov [ebp+NTFS.cur_size], 0 |
3976 | call ntfs_read_attr |
3980 | call ntfs_read_attr |
3977 | jc ntfsFail |
3981 | jc ntfsFail |
3978 | mov esi, edi |
3982 | mov esi, edi |
3979 | mov edi, [ebp+NTFS.frs_buffer] |
3983 | mov edi, [ebp+NTFS.frs_buffer] |
3980 | cmp word [edi+baseRecordReuse], 0 |
3984 | cmp word [edi+baseRecordReuse], 0 |
3981 | jnz ntfsUnsupported ; auxiliary record |
3985 | jnz ntfsUnsupported ; auxiliary record |
3982 | mov al, [edi+attributeOffset] |
3986 | mov al, [edi+attributeOffset] |
3983 | add edi, eax |
3987 | add edi, eax |
3984 | mov al, [edi+attributeOffset] |
3988 | mov al, [edi+attributeOffset] |
3985 | add edi, eax |
3989 | add edi, eax |
3986 | mov eax, ecx |
3990 | mov eax, ecx |
3987 | mov ecx, 6 |
3991 | mov ecx, 6 |
3988 | add esi, fileModified |
3992 | add esi, fileModified |
3989 | add edi, 8 |
3993 | add edi, 8 |
3990 | rep movsd |
3994 | rep movsd |
3991 | mov ecx, [ebp+NTFS.attr_offs] |
3995 | mov ecx, [ebp+NTFS.attr_offs] |
3992 | cmp word [ecx+attributeFlags], 0 |
3996 | cmp word [ecx+attributeFlags], 0 |
3993 | jnz ntfsUnsupported |
3997 | jnz ntfsUnsupported |
3994 | cmp byte [ecx+nonResidentFlag], 0 |
3998 | cmp byte [ecx+nonResidentFlag], 0 |
3995 | jz .resizeAttribute |
3999 | jz .resizeAttribute |
3996 | cmp [ecx+attributeRealSize+4], edx |
4000 | cmp [ecx+attributeRealSize+4], edx |
3997 | jnz .resizeAttribute |
4001 | jnz .resizeAttribute |
3998 | cmp [ecx+attributeRealSize], eax |
4002 | cmp [ecx+attributeRealSize], eax |
3999 | jnc .resizeAttribute |
4003 | jnc .resizeAttribute |
4000 | mov eax, [ecx+attributeRealSize] |
4004 | mov eax, [ecx+attributeRealSize] |
4001 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
4005 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
4002 | mov [ebp+NTFS.cur_size], ecx |
4006 | mov [ebp+NTFS.cur_size], ecx |
4003 | shl ecx, 9 |
4007 | shl ecx, 9 |
4004 | div ecx |
4008 | div ecx |
4005 | test edx, edx |
4009 | test edx, edx |
4006 | jz .aligned |
4010 | jz .aligned |
4007 | push edx |
4011 | push edx |
4008 | push ecx |
4012 | push ecx |
4009 | mul [ebp+NTFS.sectors_per_cluster] |
4013 | mul [ebp+NTFS.sectors_per_cluster] |
4010 | mov [ebp+NTFS.cur_offs], eax |
4014 | mov [ebp+NTFS.cur_offs], eax |
4011 | stdcall kernel_alloc, ecx |
4015 | stdcall kernel_alloc, ecx |
4012 | pop ecx |
4016 | pop ecx |
4013 | pop edi |
4017 | pop edi |
4014 | mov esi, eax |
4018 | mov esi, eax |
4015 | sub ecx, edi |
4019 | sub ecx, edi |
4016 | add edi, eax |
4020 | add edi, eax |
4017 | mov [ebp+NTFS.cur_buf], eax |
4021 | mov [ebp+NTFS.cur_buf], eax |
4018 | call ntfs_read_attr.continue |
4022 | call ntfs_read_attr.continue |
4019 | jc @f |
4023 | jc @f |
4020 | xor eax, eax |
4024 | xor eax, eax |
4021 | rep stosb |
4025 | rep stosb |
4022 | push ebx |
4026 | push ebx |
4023 | mov eax, [ebp+NTFS.LastRead] |
4027 | mov eax, [ebp+NTFS.LastRead] |
4024 | mov ebx, esi |
4028 | mov ebx, esi |
4025 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
4029 | mov ecx, [ebp+NTFS.sectors_per_cluster] |
4026 | xor edx, edx |
4030 | xor edx, edx |
4027 | call fs_write64_app |
4031 | call fs_write64_app |
4028 | pop ebx |
4032 | pop ebx |
4029 | @@: |
4033 | @@: |
4030 | stdcall kernel_free, esi |
4034 | stdcall kernel_free, esi |
4031 | .aligned: |
4035 | .aligned: |
4032 | mov eax, [ebx+4] |
4036 | mov eax, [ebx+4] |
4033 | mov edx, [ebx+8] |
4037 | mov edx, [ebx+8] |
4034 | .resizeAttribute: |
4038 | .resizeAttribute: |
4035 | call resizeAttribute |
4039 | call resizeAttribute |
4036 | jc ntfsError |
4040 | jc ntfsError |
4037 | mov ebx, [ebp+NTFS.frs_buffer] |
4041 | mov ebx, [ebp+NTFS.frs_buffer] |
4038 | mov edx, [ebp+NTFS.mftLastRead] |
4042 | mov edx, [ebp+NTFS.mftLastRead] |
4039 | call writeRecord ; file |
4043 | call writeRecord ; file |
4040 | mov ebx, [ebp+NTFS.cur_index_buf] |
4044 | mov ebx, [ebp+NTFS.cur_index_buf] |
4041 | mov edx, [ebp+NTFS.nodeLastRead] |
4045 | mov edx, [ebp+NTFS.nodeLastRead] |
4042 | call writeRecord ; directory |
4046 | call writeRecord ; directory |
4043 | call ntfsSpaceClean |
4047 | call ntfsSpaceClean |
4044 | jmp ntfsDone |
4048 | jmp ntfsDone |
4045 | 4049 | ||
4046 | ntfsGetTime: |
4050 | ntfsGetTime: |
4047 | call fsGetTime |
4051 | call fsGetTime |
4048 | jmp @f |
4052 | jmp @f |
4049 | 4053 | ||
4050 | ntfsCalculateTime: |
4054 | ntfsCalculateTime: |
4051 | ; in: esi -> data block |
4055 | ; in: esi -> data block |
4052 | ; out: edx:eax = seconds since 01.01.1601 x10000000 |
4056 | ; out: edx:eax = seconds since 01.01.1601 x10000000 |
4053 | call fsCalculateTime |
4057 | call fsCalculateTime |
4054 | @@: |
4058 | @@: |
4055 | mov edx, 10000000 |
4059 | mov edx, 10000000 |
4056 | mul edx |
4060 | mul edx |
4057 | add eax, 3365781504 |
4061 | add eax, 3365781504 |
4058 | adc edx, 29389701 |
4062 | adc edx, 29389701 |
4059 | ret |
4063 | ret |
4060 | 4064 | ||
4061 | ;---------------------------------------------------------------- |
4065 | ;---------------------------------------------------------------- |
4062 | ntfs_SetFileInfo: |
4066 | ntfs_SetFileInfo: |
4063 | call ntfs_lock |
4067 | call ntfs_lock |
4064 | call ntfs_find_lfn |
4068 | call ntfs_find_lfn |
4065 | jnc @f |
4069 | jnc @f |
4066 | test eax, eax |
4070 | test eax, eax |
4067 | jz ntfsFail |
4071 | jz ntfsFail |
4068 | jmp ntfsNotFound |
4072 | jmp ntfsNotFound |
4069 | 4073 | ||
4070 | @@: |
4074 | @@: |
4071 | cmp [ebp+NTFS.fragmentCount], 1 |
4075 | cmp [ebp+NTFS.fragmentCount], 1 |
4072 | jnz ntfsUnsupported ; record fragmented |
4076 | jnz ntfsUnsupported ; record fragmented |
4073 | mov esi, [ebp+NTFS.cur_index_buf] |
4077 | mov esi, [ebp+NTFS.cur_index_buf] |
4074 | cmp dword [esi], 'INDX' |
4078 | cmp dword [esi], 'INDX' |
4075 | jz @f |
4079 | jz @f |
4076 | sub eax, esi |
4080 | sub eax, esi |
4077 | mov esi, [ebp+NTFS.indexRoot] |
4081 | mov esi, [ebp+NTFS.indexRoot] |
4078 | movzx edx, byte [esi+attributeOffset] |
4082 | movzx edx, byte [esi+attributeOffset] |
4079 | add eax, esi |
4083 | add eax, esi |
4080 | add eax, edx |
4084 | add eax, edx |
4081 | @@: |
4085 | @@: |
4082 | mov esi, [ebx+16] |
4086 | mov esi, [ebx+16] |
4083 | mov edi, eax |
4087 | mov edi, eax |
4084 | mov eax, [esi] |
4088 | mov eax, [esi] |
4085 | and eax, 27h |
4089 | and eax, 27h |
4086 | and byte [edi+fileFlags], -28h |
4090 | and byte [edi+fileFlags], -28h |
4087 | or [edi+fileFlags], al |
4091 | or [edi+fileFlags], al |
4088 | add esi, 8 |
4092 | add esi, 8 |
4089 | call ntfsCalculateTime |
4093 | call ntfsCalculateTime |
4090 | mov [edi+fileCreated], eax |
4094 | mov [edi+fileCreated], eax |
4091 | mov [edi+fileCreated+4], edx |
4095 | mov [edi+fileCreated+4], edx |
4092 | add esi, 8 |
4096 | add esi, 8 |
4093 | call ntfsCalculateTime |
4097 | call ntfsCalculateTime |
4094 | mov [edi+fileAccessed], eax |
4098 | mov [edi+fileAccessed], eax |
4095 | mov [edi+fileAccessed+4], edx |
4099 | mov [edi+fileAccessed+4], edx |
4096 | add esi, 8 |
4100 | add esi, 8 |
4097 | call ntfsCalculateTime |
4101 | call ntfsCalculateTime |
4098 | mov [edi+fileModified], eax |
4102 | mov [edi+fileModified], eax |
4099 | mov [edi+fileModified+4], edx |
4103 | mov [edi+fileModified+4], edx |
4100 | mov ebx, [ebp+NTFS.cur_index_buf] |
4104 | mov ebx, [ebp+NTFS.cur_index_buf] |
4101 | cmp dword [ebx], 'INDX' |
4105 | cmp dword [ebx], 'INDX' |
4102 | jz @f |
4106 | jz @f |
4103 | mov ebx, [ebp+NTFS.frs_buffer] |
4107 | mov ebx, [ebp+NTFS.frs_buffer] |
4104 | @@: |
4108 | @@: |
4105 | mov edx, [ebp+NTFS.LastRead] |
4109 | mov edx, [ebp+NTFS.LastRead] |
4106 | call writeRecord |
4110 | call writeRecord |
4107 | jmp ntfsDone |
4111 | jmp ntfsDone |
4108 | 4112 | ||
4109 | ntfsUnsupported: |
4113 | ntfsUnsupported: |
4110 | push ERROR_UNSUPPORTED_FS |
4114 | push ERROR_UNSUPPORTED_FS |
4111 | jmp ntfsOut |
4115 | jmp ntfsOut |
4112 | ntfsDevice: |
4116 | ntfsDevice: |
4113 | push ERROR_DEVICE |
4117 | push ERROR_DEVICE |
4114 | jmp ntfsOut |
4118 | jmp ntfsOut |
4115 | ntfsNotFound: |
4119 | ntfsNotFound: |
4116 | push ERROR_FILE_NOT_FOUND |
4120 | push ERROR_FILE_NOT_FOUND |
4117 | jmp ntfsOut |
4121 | jmp ntfsOut |
4118 | ntfsDenied: |
4122 | ntfsDenied: |
4119 | push ERROR_ACCESS_DENIED |
4123 | push ERROR_ACCESS_DENIED |
4120 | jmp ntfsOut |
4124 | jmp ntfsOut |
4121 | ntfsFail: |
4125 | ntfsFail: |
4122 | push ERROR_FS_FAIL |
4126 | push ERROR_FS_FAIL |
4123 | jmp ntfsOut |
4127 | jmp ntfsOut |
4124 | ntfsDiskFull: |
4128 | ntfsDiskFull: |
4125 | push ERROR_DISK_FULL |
4129 | push ERROR_DISK_FULL |
4126 | jmp ntfsOut |
4130 | jmp ntfsOut |
4127 | ntfsErrorPop5: |
4131 | ntfsErrorPop5: |
4128 | pop ebx |
4132 | pop ebx |
4129 | pop ebx |
4133 | pop ebx |
4130 | ntfsErrorPop3: |
4134 | ntfsErrorPop3: |
4131 | pop ebx |
4135 | pop ebx |
4132 | ntfsErrorPop2: |
4136 | ntfsErrorPop2: |
4133 | pop ebx |
4137 | pop ebx |
4134 | ntfsErrorPop: |
4138 | ntfsErrorPop: |
4135 | pop ebx |
4139 | pop ebx |
4136 | ntfsError: |
4140 | ntfsError: |
4137 | push eax |
4141 | push eax |
4138 | ntfsOut: |
4142 | ntfsOut: |
4139 | call ntfs_unlock |
4143 | call ntfs_unlock |
4140 | xor ebx, ebx |
4144 | xor ebx, ebx |
4141 | pop eax |
4145 | pop eax |
4142 | ret=> |
4146 | ret=> |