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| Rev 257 | Rev 262 | ||
|---|---|---|---|
| Line 291... | Line 291... | ||
| 291 | ntfs_attr_iRecord dd ? |
291 | ntfs_attr_iRecord dd ? |
| 292 | ntfs_attr_iBaseRecord dd ? |
292 | ntfs_attr_iBaseRecord dd ? |
| 293 | ntfs_attr_offs dd ? |
293 | ntfs_attr_offs dd ? |
| 294 | ntfs_attr_list dd ? |
294 | ntfs_attr_list dd ? |
| 295 | ntfs_attr_size dq ? |
295 | ntfs_attr_size dq ? |
| - | 296 | ntfs_cur_tail dd ? |
|
| 296 | endg |
297 | endg |
| Line 297... | Line 298... | ||
| 297 | 298 | ||
| 298 | ntfs_read_attr: |
299 | ntfs_read_attr: |
| 299 | ; in: global variables |
300 | ; in: global variables |
| Line 432... | Line 433... | ||
| 432 | .okattr: |
433 | .okattr: |
| 433 | mov [ntfs_attr_offs], eax |
434 | mov [ntfs_attr_offs], eax |
| 434 | .scancont: |
435 | .scancont: |
| 435 | add eax, [eax+4] |
436 | add eax, [eax+4] |
| 436 | jmp .scanattr |
437 | jmp .scanattr |
| - | 438 | .continue: |
|
| - | 439 | pushad |
|
| - | 440 | and [ntfs_cur_read], 0 |
|
| 437 | .scandone: |
441 | .scandone: |
| 438 | ; c) Check for required offset and length |
442 | ; c) Check for required offset and length |
| 439 | mov ecx, [ntfs_attr_offs] |
443 | mov ecx, [ntfs_attr_offs] |
| 440 | jecxz .noattr |
444 | jecxz .noattr |
| 441 | call .doreadattr |
445 | call .doreadattr |
| Line 664... | Line 668... | ||
| 664 | .okret: |
668 | .okret: |
| 665 | clc |
669 | clc |
| 666 | ret |
670 | ret |
| 667 | @@: |
671 | @@: |
| 668 | ; reduce read length |
672 | ; reduce read length |
| - | 673 | and [ntfs_cur_tail], 0 |
|
| 669 | cmp [ntfs_cur_size], eax |
674 | cmp [ntfs_cur_size], eax |
| 670 | jb @f |
675 | jb @f |
| 671 | mov [ntfs_cur_size], eax |
676 | mov [ntfs_cur_size], eax |
| - | 677 | mov eax, dword [ntfs_attr_size] |
|
| - | 678 | and eax, 0x1FF |
|
| - | 679 | mov [ntfs_cur_tail], eax |
|
| 672 | @@: |
680 | @@: |
| 673 | cmp [ntfs_cur_size], 0 |
681 | cmp [ntfs_cur_size], 0 |
| 674 | jz .okret |
682 | jz .okret |
| 675 | mov eax, [ntfs_cur_offs] |
683 | mov eax, [ntfs_cur_offs] |
| 676 | xor edx, edx |
684 | xor edx, edx |
| Line 717... | Line 725... | ||
| 717 | loop @b |
725 | loop @b |
| 718 | pop ecx |
726 | pop ecx |
| 719 | cmp [ntfs_cur_size], 0 |
727 | cmp [ntfs_cur_size], 0 |
| 720 | jnz .readloop |
728 | jnz .readloop |
| 721 | add esp, 10h |
729 | add esp, 10h |
| - | 730 | mov eax, [ntfs_cur_tail] |
|
| - | 731 | test eax, eax |
|
| - | 732 | jz .okret |
|
| - | 733 | sub eax, 0x200 |
|
| - | 734 | add [ntfs_cur_read], eax |
|
| 722 | jmp .okret |
735 | jmp .okret |
| 723 | .errread2: |
736 | .errread2: |
| 724 | pop ecx |
737 | pop ecx |
| 725 | add esp, 10h |
738 | add esp, 10h |
| 726 | jmp .errret |
739 | jmp .errret |
| Line 862... | Line 875... | ||
| 862 | ret |
875 | ret |
| Line 863... | Line 876... | ||
| 863 | 876 | ||
| 864 | ntfs_find_lfn: |
877 | ntfs_find_lfn: |
| 865 | ; in: esi->name |
878 | ; in: esi->name |
| 866 | ; out: CF=1 - file not found |
879 | ; out: CF=1 - file not found |
| 867 | ; else CF=0 and eax=ntfs_cur_iRecord valid |
880 | ; else CF=0, [ntfs_cur_iRecord] valid, eax->record in parent directory |
| 868 | mov [ntfs_cur_iRecord], 5 ; start parse from root cluster |
881 | mov [ntfs_cur_iRecord], 5 ; start parse from root cluster |
| 869 | .doit2: |
882 | .doit2: |
| 870 | mov [ntfs_cur_attr], 0x90 ; $INDEX_ROOT |
883 | mov [ntfs_cur_attr], 0x90 ; $INDEX_ROOT |
| 871 | and [ntfs_cur_offs], 0 |
884 | and [ntfs_cur_offs], 0 |
| Line 1006... | Line 1019... | ||
| 1006 | .next: |
1019 | .next: |
| 1007 | pop esi |
1020 | pop esi |
| 1008 | pop esi |
1021 | pop esi |
| 1009 | mov eax, [esi] |
1022 | mov eax, [esi] |
| 1010 | mov [ntfs_cur_iRecord], eax |
1023 | mov [ntfs_cur_iRecord], eax |
| 1011 | mov [esp+1Ch], eax |
1024 | mov [esp+1Ch], esi |
| 1012 | mov [esp+4], edi |
1025 | mov [esp+4], edi |
| 1013 | popad |
1026 | popad |
| 1014 | inc esi |
1027 | inc esi |
| 1015 | cmp byte [esi-1], 0 |
1028 | cmp byte [esi-1], 0 |
| 1016 | jnz .doit2 |
1029 | jnz .doit2 |
| Line 1029... | Line 1042... | ||
| 1029 | ; ret ebx = bytes read or 0xffffffff file not found |
1042 | ; ret ebx = bytes read or 0xffffffff file not found |
| 1030 | ; eax = 0 ok read or other = errormsg |
1043 | ; eax = 0 ok read or other = errormsg |
| 1031 | ; |
1044 | ; |
| 1032 | ;-------------------------------------------------------------- |
1045 | ;-------------------------------------------------------------- |
| 1033 | ntfs_HdRead: |
1046 | ntfs_HdRead: |
| - | 1047 | cmp byte [esi], 0 |
|
| - | 1048 | jnz @f |
|
| 1034 | or ebx, -1 |
1049 | or ebx, -1 |
| - | 1050 | push ERROR_ACCESS_DENIED |
|
| - | 1051 | pop eax |
|
| - | 1052 | ret |
|
| - | 1053 | @@: |
|
| - | 1054 | call ntfs_find_lfn |
|
| - | 1055 | jnc .found |
|
| - | 1056 | or ebx, -1 |
|
| - | 1057 | push ERROR_FILE_NOT_FOUND |
|
| - | 1058 | pop eax |
|
| - | 1059 | ret |
|
| - | 1060 | .found: |
|
| - | 1061 | mov [ntfs_cur_attr], 0x80 ; $DATA |
|
| - | 1062 | and [ntfs_cur_offs], 0 |
|
| - | 1063 | and [ntfs_cur_size], 0 |
|
| - | 1064 | call ntfs_read_attr |
|
| - | 1065 | jnc @f |
|
| - | 1066 | or ebx, -1 |
|
| - | 1067 | push ERROR_ACCESS_DENIED |
|
| - | 1068 | pop eax |
|
| - | 1069 | ret |
|
| - | 1070 | @@: |
|
| - | 1071 | pushad |
|
| - | 1072 | and dword [esp+10h], 0 |
|
| - | 1073 | xor eax, eax |
|
| - | 1074 | test ebx, ebx |
|
| - | 1075 | jz .zero1 |
|
| - | 1076 | cmp dword [ebx+4], 0x200 |
|
| - | 1077 | jb @f |
|
| - | 1078 | .eof0: |
|
| - | 1079 | popad |
|
| - | 1080 | xor ebx, ebx |
|
| - | 1081 | .eof: |
|
| - | 1082 | push ERROR_END_OF_FILE |
|
| - | 1083 | pop eax |
|
| - | 1084 | ret |
|
| - | 1085 | @@: |
|
| - | 1086 | mov eax, [ebx] |
|
| - | 1087 | test eax, 0x1FF |
|
| - | 1088 | jz .alignedstart |
|
| - | 1089 | push edx |
|
| - | 1090 | mov edx, [ebx+4] |
|
| - | 1091 | shrd eax, edx, 9 |
|
| - | 1092 | pop edx |
|
| - | 1093 | mov [ntfs_cur_offs], eax |
|
| - | 1094 | mov [ntfs_cur_size], 1 |
|
| - | 1095 | mov [ntfs_cur_buf], ntfs_bitmap_buf |
|
| - | 1096 | call ntfs_read_attr.continue |
|
| - | 1097 | mov eax, [ebx] |
|
| - | 1098 | and eax, 0x1FF |
|
| - | 1099 | lea esi, [ntfs_bitmap_buf+eax] |
|
| - | 1100 | sub eax, [ntfs_cur_read] |
|
| - | 1101 | jae .eof0 |
|
| - | 1102 | neg eax |
|
| - | 1103 | push ecx |
|
| - | 1104 | cmp ecx, eax |
|
| - | 1105 | jb @f |
|
| - | 1106 | mov ecx, eax |
|
| - | 1107 | @@: |
|
| - | 1108 | mov [esp+10h+4], ecx |
|
| - | 1109 | mov edi, edx |
|
| - | 1110 | rep movsb |
|
| - | 1111 | mov edx, edi |
|
| - | 1112 | pop ecx |
|
| - | 1113 | sub ecx, [esp+10h] |
|
| - | 1114 | jnz @f |
|
| - | 1115 | .retok: |
|
| - | 1116 | popad |
|
| - | 1117 | xor eax, eax |
|
| - | 1118 | ret |
|
| - | 1119 | @@: |
|
| - | 1120 | cmp [ntfs_cur_read], 0x200 |
|
| - | 1121 | jz .alignedstart |
|
| - | 1122 | .eof_ebx: |
|
| - | 1123 | popad |
|
| - | 1124 | jmp .eof |
|
| - | 1125 | .alignedstart: |
|
| - | 1126 | mov eax, [ebx] |
|
| - | 1127 | push edx |
|
| - | 1128 | mov edx, [ebx+4] |
|
| - | 1129 | add eax, 511 |
|
| - | 1130 | adc edx, 0 |
|
| - | 1131 | shrd eax, edx, 9 |
|
| - | 1132 | pop edx |
|
| - | 1133 | .zero1: |
|
| - | 1134 | mov [ntfs_cur_offs], eax |
|
| - | 1135 | mov [ntfs_cur_buf], edx |
|
| - | 1136 | mov eax, ecx |
|
| - | 1137 | shr eax, 9 |
|
| - | 1138 | mov [ntfs_cur_size], eax |
|
| - | 1139 | add eax, [ntfs_cur_offs] |
|
| - | 1140 | push eax |
|
| - | 1141 | call ntfs_read_attr.continue |
|
| - | 1142 | pop [ntfs_cur_offs] |
|
| - | 1143 | mov eax, [ntfs_cur_read] |
|
| - | 1144 | add [esp+10h], eax |
|
| - | 1145 | mov eax, ecx |
|
| - | 1146 | and eax, not 0x1FF |
|
| - | 1147 | cmp [ntfs_cur_read], eax |
|
| - | 1148 | jnz .eof_ebx |
|
| - | 1149 | and ecx, 0x1FF |
|
| - | 1150 | jz .retok |
|
| - | 1151 | add edx, [ntfs_cur_read] |
|
| - | 1152 | mov [ntfs_cur_size], 1 |
|
| - | 1153 | mov [ntfs_cur_buf], ntfs_bitmap_buf |
|
| - | 1154 | call ntfs_read_attr.continue |
|
| - | 1155 | cmp [ntfs_cur_read], ecx |
|
| - | 1156 | jb @f |
|
| - | 1157 | mov [ntfs_cur_read], ecx |
|
| - | 1158 | @@: |
|
| - | 1159 | xchg ecx, [ntfs_cur_read] |
|
| - | 1160 | push ecx |
|
| - | 1161 | mov edi, edx |
|
| - | 1162 | mov esi, ntfs_bitmap_buf |
|
| - | 1163 | add [esp+10h+4], ecx |
|
| - | 1164 | rep movsb |
|
| - | 1165 | pop ecx |
|
| - | 1166 | xor eax, eax |
|
| - | 1167 | cmp ecx, [ntfs_cur_read] |
|
| - | 1168 | jz @f |
|
| 1035 | mov eax, ERROR_UNSUPPORTED_FS |
1169 | mov al, ERROR_END_OF_FILE |
| - | 1170 | @@: |
|
| - | 1171 | mov [esp+1Ch], eax |
|
| - | 1172 | popad |
|
| 1036 | ret |
1173 | ret |
| Line 1037... | Line 1174... | ||
| 1037 | 1174 | ||
| 1038 | ;---------------------------------------------------------------- |
1175 | ;---------------------------------------------------------------- |
| 1039 | ; |
1176 | ; |
| Line 1342... | Line 1479... | ||
| 1342 | jns .ret |
1479 | jns .ret |
| 1343 | dec ecx |
1480 | dec ecx |
| 1344 | js .ret |
1481 | js .ret |
| 1345 | inc dword [eax+4] ; new file block copied |
1482 | inc dword [eax+4] ; new file block copied |
| 1346 | mov eax, [edx+4] ; flags |
1483 | mov eax, [edx+4] ; flags |
| 1347 | - | ||
| 1348 | ntfs_direntry_to_bdfe: |
- | |
| 1349 | mov [edi+4], eax ; ANSI/UNICODE name |
- | |
| 1350 | mov eax, [esi+48h] |
- | |
| 1351 | test eax, 0x10000000 |
- | |
| 1352 | jz @f |
- | |
| 1353 | and eax, not 0x10000000 |
- | |
| 1354 | or al, 0x10 |
- | |
| 1355 | @@: |
- | |
| 1356 | stosd |
- | |
| 1357 | scasd |
- | |
| 1358 | push edx |
- | |
| 1359 | mov eax, [esi+0x18] |
- | |
| 1360 | mov edx, [esi+0x1C] |
- | |
| 1361 | call ntfs_datetime_to_bdfe |
- | |
| 1362 | mov eax, [esi+0x30] |
- | |
| 1363 | mov edx, [esi+0x34] |
- | |
| 1364 | call ntfs_datetime_to_bdfe |
1484 | call ntfs_direntry_to_bdfe |
| 1365 | mov eax, [esi+0x20] |
- | |
| 1366 | mov edx, [esi+0x24] |
- | |
| 1367 | call ntfs_datetime_to_bdfe |
- | |
| 1368 | pop edx |
- | |
| 1369 | mov eax, [esi+0x40] |
- | |
| 1370 | stosd |
- | |
| 1371 | mov eax, [esi+0x44] |
- | |
| 1372 | stosd |
- | |
| 1373 | push ecx esi edi |
1485 | push ecx esi edi |
| 1374 | movzx ecx, byte [esi+0x50] |
1486 | movzx ecx, byte [esi+0x50] |
| 1375 | add esi, 0x52 |
1487 | add esi, 0x52 |
| 1376 | test byte [edi-0x24], 1 |
1488 | test byte [edi-0x24], 1 |
| 1377 | jz .ansi |
1489 | jz .ansi |
| Line 1397... | Line 1509... | ||
| 1397 | pop edi |
1509 | pop edi |
| 1398 | add edi, 264 |
1510 | add edi, 264 |
| 1399 | pop esi ecx |
1511 | pop esi ecx |
| 1400 | ret |
1512 | ret |
| Line -... | Line 1513... | ||
| - | 1513 | ||
| - | 1514 | ntfs_direntry_to_bdfe: |
|
| - | 1515 | mov [edi+4], eax ; ANSI/UNICODE name |
|
| - | 1516 | mov eax, [esi+48h] |
|
| - | 1517 | test eax, 0x10000000 |
|
| - | 1518 | jz @f |
|
| - | 1519 | and eax, not 0x10000000 |
|
| - | 1520 | or al, 0x10 |
|
| - | 1521 | @@: |
|
| - | 1522 | stosd |
|
| - | 1523 | scasd |
|
| - | 1524 | push edx |
|
| - | 1525 | mov eax, [esi+0x18] |
|
| - | 1526 | mov edx, [esi+0x1C] |
|
| - | 1527 | call ntfs_datetime_to_bdfe |
|
| - | 1528 | mov eax, [esi+0x30] |
|
| - | 1529 | mov edx, [esi+0x34] |
|
| - | 1530 | call ntfs_datetime_to_bdfe |
|
| - | 1531 | mov eax, [esi+0x20] |
|
| - | 1532 | mov edx, [esi+0x24] |
|
| - | 1533 | call ntfs_datetime_to_bdfe |
|
| - | 1534 | pop edx |
|
| - | 1535 | mov eax, [esi+0x40] |
|
| - | 1536 | stosd |
|
| - | 1537 | mov eax, [esi+0x44] |
|
| - | 1538 | stosd |
|
| - | 1539 | ret |
|
| 1401 | 1540 | ||
| 1402 | iglobal |
1541 | iglobal |
| 1403 | _24 dd 24 |
1542 | _24 dd 24 |
| 1404 | _60 dd 60 |
1543 | _60 dd 60 |
| 1405 | _10000000 dd 10000000 |
1544 | _10000000 dd 10000000 |
| Line 1568... | Line 1707... | ||
| 1568 | ntfs_HdDelete: |
1707 | ntfs_HdDelete: |
| 1569 | mov eax, ERROR_UNSUPPORTED_FS |
1708 | mov eax, ERROR_UNSUPPORTED_FS |
| 1570 | ret |
1709 | ret |
| Line 1571... | Line 1710... | ||
| 1571 | 1710 | ||
| - | 1711 | ntfs_HdGetFileInfo: |
|
| - | 1712 | cmp byte [esi], 0 |
|
| - | 1713 | jnz @f |
|
| - | 1714 | push 2 |
|
| - | 1715 | pop eax |
|
| - | 1716 | ret |
|
| - | 1717 | @@: |
|
| - | 1718 | call ntfs_find_lfn |
|
| 1572 | ntfs_HdGetFileInfo: |
1719 | jnc .doit |
| - | 1720 | push ERROR_FILE_NOT_FOUND |
|
| - | 1721 | pop eax |
|
| - | 1722 | cmp [hd_error], 0 |
|
| - | 1723 | jz @f |
|
| - | 1724 | mov al, 11 |
|
| - | 1725 | @@: |
|
| - | 1726 | ret |
|
| - | 1727 | .doit: |
|
| - | 1728 | push esi edi |
|
| - | 1729 | mov esi, eax |
|
| - | 1730 | mov edi, edx |
|
| - | 1731 | xor eax, eax |
|
| - | 1732 | call ntfs_direntry_to_bdfe |
|
| - | 1733 | pop edi esi |
|
| 1573 | mov eax, ERROR_UNSUPPORTED_FS |
1734 | xor eax, eax |
| 1574 | ret |
- | |