673 lines
16 KiB
PHP
673 lines
16 KiB
PHP
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;; ;;
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;; Copyright (C) KolibriOS team 2004-2016. All rights reserved. ;;
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;; Distributed under terms of the GNU General Public License. ;;
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;; ;;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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$Revision$
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ERROR_SUCCESS = 0
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ERROR_DISK_BASE = 1
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ERROR_UNSUPPORTED_FS = 2
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ERROR_UNKNOWN_FS = 3
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ERROR_PARTITION = 4
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ERROR_FILE_NOT_FOUND = 5
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ERROR_END_OF_FILE = 6
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ERROR_MEMORY_POINTER = 7
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ERROR_DISK_FULL = 8
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ERROR_FS_FAIL = 9
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ERROR_ACCESS_DENIED = 10
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ERROR_DEVICE = 11
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ERROR_OUT_OF_MEMORY = 12
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maxPathLength = 1000h
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image_of_eax EQU esp+32
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image_of_ebx EQU esp+20
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; System function 70
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file_system_lfn_protected:
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pushad
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call protect_from_terminate
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call file_system_lfn
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call unprotect_from_terminate
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popad
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mov [image_of_eax], eax
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mov [image_of_ebx], ebx
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ret
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file_system_lfn:
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; in: ebx -> parameter structure
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; operation codes:
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; 0 = read file
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; 1 = read folder
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; 2 = create/rewrite file
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; 3 = write/append to file
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; 4 = set file end
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; 5 = get file info
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; 6 = set file info
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; start application
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; 8 = delete file/folder
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; 9 = create folder
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lea ebp, [ebx+20]
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cmp byte [ebp], 0
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jnz @f
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mov ebp, [ebx+21]
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@@:
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cmp word [ebp], '/'
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jz .rootdir
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cmp byte [ebp], 4
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jnc @f
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cmp byte [ebp], 0
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jz @f
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cmp word [ebp+1], '/'
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jnz @f
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cmp byte [ebp], 2
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jnz .rootdir
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cmp word [ebp+3], 0
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jz .rootdir
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@@:
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cmp dword[ebx], 7 ; start application
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jnz @f
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mov edx, [ebx+4]
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mov ebx, [ebx+8]
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call fs_execute ; ebp, ebx, edx
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mov [image_of_eax], eax
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ret
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@@:
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stdcall kernel_alloc, maxPathLength
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push ebx
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mov ebx, ebp
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mov ebp, eax
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stdcall get_full_file_name, eax, maxPathLength
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pop ebx
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test eax, eax
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jz .notfound
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lea esi, [ebp+2]
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mov ax, [esi]
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or ax, 2020h
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cmp ax, 'cd'
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jz .CD
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call dyndisk_handler ; not returns if success
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.notfound:
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stdcall kernel_free, ebp
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mov dword[image_of_eax], ERROR_FILE_NOT_FOUND
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ret
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.CD:
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add esi, 2
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xor eax, eax
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lodsb ; disk number
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sub eax, '0'
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cmp eax, 10
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jnc .notfound
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mov edi, eax
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lodsb
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test eax, eax
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jz .maindir
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cmp al, '/'
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jnz .notfound
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lodsb ; partition number
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test eax, eax
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jz .maindir
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cmp al, '1'
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jnz .notfound
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cmp byte [esi], '/'
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jnz @f
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inc esi
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@@:
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call reserve_cd
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mov eax, edi
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bt eax, 0
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setc [DiskNumber]
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bt eax, 1
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setc [ChannelNumber]
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inc [ChannelNumber]
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inc eax
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mov [cdpos], eax
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call reserve_cd_channel
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mov eax, edi
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not eax
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and eax, 3
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shl eax, 1
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inc eax
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shr edi, 2
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mov dword[image_of_eax], ERROR_FILE_NOT_FOUND
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bt [edi*5+DRIVE_DATA+1], ax
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jnc @f
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mov ecx, [ebx+12]
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mov edx, [ebx+16]
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mov eax, [ebx]
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mov dword[image_of_eax], ERROR_UNSUPPORTED_FS
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cmp eax, fs_NumCdServices
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jae @f
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add ebx, 4
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push ebp
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call dword[fs_CdServices + eax*4]
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pop ebp
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mov [image_of_eax], eax
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mov [image_of_ebx], ebx
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@@:
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call free_cd_channel
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and [cd_status], 0
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stdcall kernel_free, ebp
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ret
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.nextCD:
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test eax, eax ; partition number
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stc
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jnz @f ; no more partitions
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mov al, 1 ; /cdX/1
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clc
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@@:
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ret
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.maindir: ; list partitions
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mov esi, .nextCD
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.maindir_noesi: ; backjump from dyndisk_handler
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push ebp
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mov ebp, ecx
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call kernel_free
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cmp dword[ebx], 1
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jnz .access_denied ; read folder?
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push ebp
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pushd [ebx+4] ; first block
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mov ebp, [ebx+12] ; the number of blocks to read
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mov edx, [ebx+16] ; buffer
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mov ebx, [ebx+8] ; flags
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mov ecx, 32/4
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mov edi, edx
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xor eax, eax
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rep stosd
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mov byte [edx], 1 ; version
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.maindir_loop:
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call esi
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jc .maindir_done
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inc dword[edx+8]
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dec dword[esp]
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jns .maindir_loop
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dec ebp
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js .maindir_loop
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inc dword[edx+4]
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mov dword[edi], 16 ; attributes: folder
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mov dword[edi+4], ebx ; name encoding
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push eax
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mov ecx, 32/4
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add edi, 8
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xor eax, eax
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rep stosd
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pop eax
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push eax edx edi
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; convert number in eax to decimal string
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push -'0'
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mov ecx, 10
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@@:
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xor edx, edx
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div ecx
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push edx
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test eax, eax
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jnz @b
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cmp ebx, 1
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jz .uni
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@@:
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pop eax
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add eax, '0'
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stosb
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test eax, eax
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jnz @b
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pop edi edx eax
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add edi, 264
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jmp .maindir_loop
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.uni:
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pop eax
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add eax, '0'
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stosw
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test eax, eax
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jnz .uni
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pop edi edx eax
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add edi, 520
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jmp .maindir_loop
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.maindir_done:
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pop eax eax
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mov ebx, [edx+4]
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xor eax, eax
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dec ebp
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js @f
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mov al, ERROR_END_OF_FILE
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@@:
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mov [image_of_eax], eax
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mov [image_of_ebx], ebx
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ret
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.access_denied:
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mov dword[image_of_eax], ERROR_ACCESS_DENIED
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ret
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.rootdir: ; / - virtual root folder
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cmp dword[ebx], 1 ; read folder?
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jnz .access_denied
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mov ebp, [ebx+12] ; number of blocks
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mov edx, [ebx+16] ; return area
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push dword[ebx+4] ; first block
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mov ebx, [ebx+8] ; flags
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mov ecx, 32/4
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mov edi, edx
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xor eax, eax
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rep stosd
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mov byte [edx], 1 ; version
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sub esp, 16
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.rootdir_loop:
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push edi
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lea edi, [esp+4]
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call dyndisk_enum_root
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pop edi
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test eax, eax
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jz .rootdirCD
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inc dword[edx+8]
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dec dword[esp+16]
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jns .rootdir_loop
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dec ebp
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js .rootdir_loop
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inc dword[edx+4]
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mov dword[edi], 16 ; attributes: folder
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mov dword[edi+4], ebx ; name encoding
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push eax
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mov ecx, 32/4
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add edi, 8
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xor eax, eax
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rep stosd
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push edi
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lea esi, [esp+8]
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cmp ebx, 1
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jz .uni2
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@@:
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lodsb
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stosb
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test eax, eax
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jnz @b
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pop edi eax
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add edi, 264
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jmp .rootdir_loop
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.uni2:
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lodsb
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stosw
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test eax, eax
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jnz .uni2
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pop edi eax
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add edi, 520
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jmp .rootdir_loop
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.rootdirCD:
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add esp, 16
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or esi, -1
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.rootdirCD_loop:
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inc esi
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cmp esi, 10
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jnc .rootdir_done
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mov eax, esi
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not eax
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and eax, 3
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shl eax, 1
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inc eax
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mov ecx, esi
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shr ecx, 2
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bt [ecx*5+DRIVE_DATA+1], ax
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jnc .rootdirCD_loop
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inc dword[edx+8]
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dec dword[esp]
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jns .rootdirCD_loop
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dec ebp
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js .rootdirCD_loop
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inc dword[edx+4]
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mov dword[edi], 16 ; attributes: folder
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mov dword[edi+4], ebx ; name encoding
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mov ecx, 32/4
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add edi, 8
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xor eax, eax
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rep stosd
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mov eax, esi
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add eax, '0'
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cmp ebx, 1
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jz @f
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mov word [edi], 'cd'
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mov [edi+2], ax
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add edi, 264
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jmp .rootdirCD_loop
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@@:
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mov dword[edi], 640063h
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mov [edi+4], eax
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add edi, 520
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jmp .rootdirCD_loop
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.rootdir_done:
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pop eax
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mov ebx, [edx+4]
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xor eax, eax
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dec ebp
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js @f
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mov al, ERROR_END_OF_FILE
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@@:
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mov [image_of_eax], eax
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mov [image_of_ebx], ebx
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ret
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;-----------------------------------------------------------------------------
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process_replace_file_name:
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; in: [esi] = virtual path
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; out: [esi]+[ebp] = physical path
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xor edi, edi
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xor ebp, ebp
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.loop:
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cmp edi, [full_file_name_table.size]
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jae .notfound
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push esi edi
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shl edi, 7
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add edi, [full_file_name_table]
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@@:
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cmp byte [edi], 0
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jz .dest_done
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lodsb
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test al, al
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jz .cont
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or al, 20h
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scasb
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jz @b
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.cont:
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pop edi esi
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inc edi
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jmp .loop
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.dest_done:
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cmp byte [esi], 0
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jz .found
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cmp byte [esi], '/'
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jnz .cont
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.found:
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pop edi eax
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shl edi, 7
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add edi, [full_file_name_table]
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mov ebp, esi
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lea esi, [edi+64]
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.notfound:
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ret
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;-----------------------------------------------------------------------------
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uglobal
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addDirSeal db ?
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endg
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sys_current_directory: ; sysfunction 30
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mov eax, [current_slot]
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mov edi, [eax+APPDATA.cur_dir]
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dec ebx
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jz .set
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dec ebx
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jz .get
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dec ebx
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jz .mount_additional_directory
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dec ebx
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jz .get16
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@@:
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ret
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.mount_additional_directory:
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; in: ecx -> dir name+dir path (128)
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mov al, 1
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xchg [addDirSeal], al
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test al, al
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jnz @b
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mov esi, ecx
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mov edi, sysdir_name1
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mov ecx, 63
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rep movsb ; copying fake directory name
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inc esi
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xor eax, eax
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stosb ; terminator of name, in case if we get the inlet trash
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mov cl, 63
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cmp word [esi], 2
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jz .utf16
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call cp866toUTF8_string
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@@:
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mov byte [edi], 0
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mov [full_file_name_table.size], 2
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ret
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.utf16:
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add esi, 2
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call UTF16to8_string
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jmp @b
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.get: ; in: ecx -> buffer, edx = length
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mov esi, edi
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inc esi
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mov edi, ecx
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cmp edx, maxPathLength
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jc @f
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mov edx, maxPathLength
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@@:
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mov ecx, edx
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@@:
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dec ecx
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js @f
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call utf8to16
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call uni2ansi_char
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stosb
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test al, al
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jnz @b
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sub edx, ecx
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mov ecx, edx
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@@:
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mov [esp+32], ecx
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ret
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.get16:
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mov esi, edi
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inc esi
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mov edi, ecx
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cmp edx, maxPathLength
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jc @f
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mov edx, maxPathLength
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@@:
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shr edx, 1
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mov ecx, edx
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@@:
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dec ecx
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js @f
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call utf8to16
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stosw
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test ax, ax
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jnz @b
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sub edx, ecx
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mov ecx, edx
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@@:
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mov [esp+32], ecx
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ret
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.set:
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pop eax
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push maxPathLength
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push edi
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push eax
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mov ebx, ecx
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get_full_file_name:
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; in: ebx -> file name, [esp+4] -> destination, [esp+8] = max length
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; out: UTF-8 string, eax=0 -> out of length
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push ebp ebx
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cmp byte [ebx], 0
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jz .set_relative
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mov esi, ebx
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cmp byte [ebx], 4
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jnc @f
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inc esi
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@@:
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cmp byte [esi], '/'
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jnz .set_relative
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inc esi
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cmp byte [ebx], 2
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jnz @f
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inc esi
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@@:
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call process_replace_file_name
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mov edi, [esp+12]
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mov ecx, [esp+16]
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mov al, 3
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mov ah, '/'
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stosw
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sub ecx, 2
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test ebp, ebp
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jz .absolute
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@@:
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lodsb
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stosb
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dec ecx
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test al, al
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jnz @b
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mov esi, ebp
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dec edi
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.absolute:
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cmp byte [ebx], 2
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jz .utf16
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cmp byte [ebx], 3
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jz .utf8
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call cp866toUTF8_string
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jns .ret
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jmp .fail
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.utf8:
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dec ecx
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js .fail
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lodsb
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stosb
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test al, al
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jz .ret
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jmp .utf8
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.utf16:
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call UTF16to8_string
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jns .ret
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.fail:
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mov byte [edi], 0
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xor eax, eax
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pop ebx ebp
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ret 8
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.set_relative:
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mov edi, [current_slot]
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mov edi, [edi+APPDATA.cur_dir]
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mov edx, edi
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mov ecx, [esp+16]
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xor eax, eax
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repnz scasb
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mov esi, edi
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dec esi
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mov edi, [esp+12]
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jecxz .fail
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cmp byte [ebx], 0
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jz .set_ok
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cmp byte [ebx], 4
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jnc .relative
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inc ebx
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cmp byte [ebx-1], 2
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jz .relative16
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.relative:
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cmp byte [ebx], 0
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jz .set_ok
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cmp word [ebx], '.'
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jz .set_ok
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cmp word [ebx], './'
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jz .next
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cmp word [ebx], '..'
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jnz .doset_relative
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cmp byte [ebx+2], 0
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jz @f
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cmp byte [ebx+2], '/'
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jnz .doset_relative
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inc ebx
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@@:
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dec esi
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cmp byte [esi], '/'
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jnz @b
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.next:
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add ebx, 2
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jmp .relative
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|
.set_ok:
|
|
cmp edx, edi ; is destination equal to cur_dir?
|
|
jz @f
|
|
mov ecx, esi
|
|
sub ecx, edx
|
|
mov esi, edx
|
|
rep movsb
|
|
mov byte [edi], 0
|
|
.ret:
|
|
mov al, 1
|
|
pop ebx ebp
|
|
ret 8
|
|
|
|
@@:
|
|
mov byte [esi], 0
|
|
jmp .ret
|
|
|
|
.doset_relative:
|
|
cmp edx, edi ; is destination equal to cur_dir?
|
|
mov edi, esi
|
|
jz @f
|
|
mov edi, [esp+12]
|
|
mov ecx, esi
|
|
sub ecx, edx
|
|
mov esi, edx
|
|
mov edx, edi
|
|
rep movsb
|
|
@@:
|
|
mov byte [edi], '/'
|
|
inc edi
|
|
mov esi, ebx
|
|
mov ecx, edx
|
|
add ecx, [esp+16]
|
|
sub ecx, edi
|
|
mov ebx, [esp]
|
|
jmp .absolute
|
|
|
|
.relative16:
|
|
cmp word [ebx], 0
|
|
jz .set_ok
|
|
cmp word [ebx], '.'
|
|
jnz .doset_relative
|
|
cmp word [ebx+2], 0
|
|
jz .set_ok
|
|
cmp word [ebx+2], '/'
|
|
jz .next16
|
|
cmp word [ebx+2], '.'
|
|
jnz .doset_relative
|
|
cmp word [ebx+4], 0
|
|
jz @f
|
|
cmp word [ebx+4], '/'
|
|
jnz .doset_relative
|
|
add ebx, 2
|
|
@@:
|
|
dec esi
|
|
cmp byte [esi], '/'
|
|
jnz @b
|
|
.next16:
|
|
add ebx, 4
|
|
jmp .relative16
|
|
|
|
include "parse_fn.inc"
|
|
include "fs_common.inc"
|
|
include "iso9660.inc" ; read for CD filesystem
|
|
include "fat.inc"
|
|
include "ntfs.inc"
|
|
include "ext.inc"
|
|
; include "xfs.asm"
|
|
|
|
xfs_create_partition:
|
|
xor eax, eax
|
|
ret
|