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Rev 3187 Rev 3240
Line 19... Line 19...
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ERROR_FAT_TABLE      = 9 ;deprecated
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ERROR_FAT_TABLE      = 9 ;deprecated
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ERROR_FS_FAIL        = 9
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ERROR_FS_FAIL        = 9
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ERROR_ACCESS_DENIED  = 10
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ERROR_ACCESS_DENIED  = 10
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ERROR_DEVICE         = 11
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ERROR_DEVICE         = 11
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; Errors specific to fn.70.7 - program start
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ERROR_MEMORY_NOT_ENOUGH    = 30
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ERROR_INVALID_HEADER       = 31
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ERROR_TOO_MANY_PROCESSES   = 32
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ERROR_WRONG_HEADER_VERSION = 33  ; the version of the header is lower than needed for specific feature.
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image_of_eax EQU esp+32
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image_of_eax EQU esp+32
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image_of_ebx EQU esp+20
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struc FileInfoBlock {
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  .sub_fn    dd ?
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  .offset    dd ?
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  .flags     dd ?
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  .size      dd ?
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  .ptr_buff  dd ?
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  .filename  rb 1
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  .pFilename dd ?
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; variants
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  label .execFlags  dword at .offset
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  label .execPtrArg dword at .flags
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  label .execStdIO  dword at .size
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  label .execStdErr dword at .ptr_buff
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}
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virtual at 0
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  FileInfoBlock FileInfoBlock
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end virtual
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image_of_ebx EQU esp+20
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; System function 70 - files with long names (LFN)
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; System function 70 - files with long names (LFN)
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; diamond, 2006
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; diamond, 2006
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        dd      dyndisk_handler, dyndisk_enum_root
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        dd      dyndisk_handler, dyndisk_enum_root
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; add new handlers here
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; add new handlers here
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        dd      0
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        dd      0
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endg
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endg
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file_system_lfn:
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file_system_lfn:
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; in: ebx->fileinfo block
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; in: ebx->fileinfo block
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; operation codes:
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; operation codes:
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; 0 : read file
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; 0 : read file
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; 7 : start application
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; 7 : start application
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; 8 : delete file
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; 8 : delete file
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; 9 : create directory
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; 9 : create directory
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; parse file name
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; parse file name
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        lea     esi, [ebx+20]
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        lea     esi, [ebx+FileInfoBlock.filename]
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        lodsb
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        lodsb
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        test    al, al
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        test    al, al
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        jnz     @f
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        jnz     @f
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        mov     esi, [esi]
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        mov     esi, [esi]      ; FileInfoBlock.pFilename actually.
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        lodsb
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        lodsb
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@@:
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@@:
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        cmp     al, '/'
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        cmp     al, '/'
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        jz      .notcurdir
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        jz      .notcurdir
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        cmp     byte [esi], 0
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        cmp     byte [esi], 0
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        jz      .rootdir
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        jz      .rootdir
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        call    process_replace_file_name
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        call    process_replace_file_name
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.parse_normal:
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.parse_normal:
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        cmp     dword [ebx], 7
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        cmp     dword [ebx], 7
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        jne     @F
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        jne     .not_execute
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        mov     eax, [ebx+FileInfoBlock.execStdIO]    ; or NULL if not needed.
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        mov     edx, [ebx+4]
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        mov     ecx, [ebx+FileInfoBlock.execStdErr]   ; or NULL if not needed.
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        mov     ebx, [ebx+8]
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        mov     edx, [ebx+FileInfoBlock.execFlags]    ; now only debug flag
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        mov     ebx, [ebx+FileInfoBlock.execPtrArg]   ; pointer to string with command line arguments.
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        call    fs_execute; esi+ebp, ebx, edx
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        call    fs_execute              ; esi+ebp, ebx, edx
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        mov     [image_of_eax], eax
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        mov     [image_of_eax], eax
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        ret
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        ret
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@@:
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.not_execute:
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        mov     edi, rootdirs-8
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        mov     edi, rootdirs-8
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        xor     ecx, ecx
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        xor     ecx, ecx
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        push    esi
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        push    esi
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.scan1:
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.scan1:
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        pop     esi
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        pop     esi
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        mov     esi, [edi+4]
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        mov     esi, [edi+4]
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.maindir_noesi:
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.maindir_noesi:
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        cmp     dword [ebx], 1
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        cmp     dword [ebx], 1
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        jnz     .access_denied
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        jnz     .access_denied
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        xor     eax, eax
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        xor     eax, eax
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        mov     ebp, [ebx+12]                   ;количество блоков для считывания
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        mov     ebp, [ebx+12]                   ; block count to be read.
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        mov     edx, [ebx+16]                   ;куда записывать рузельтат
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        mov     edx, [ebx+16]                   ; where to write the result.
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    ;    add     edx, std_application_base_address
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    ;    add     edx, std_application_base_address
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        push    dword [ebx+4]   ; first block
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        push    dword [ebx+4]   ; first block
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        mov     ebx, [ebx+8]    ; flags
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        mov     ebx, [ebx+8]    ; flags
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; ebx=flags, [esp]=first block, ebp=number of blocks, edx=return area, esi='Next' handler
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; ebx=flags, [esp]=first block, ebp=number of blocks, edx=return area, esi='Next' handler
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        mov     edi, edx
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        mov     edi, edx