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kolibrios/programs/fs/unz/fs.inc

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The program Unz has been added. Unpacker files zip and 7z, based on arhiver.obj . git-svn-id: svn://kolibrios.org@7113 a494cfbc-eb01-0410-851d-a64ba20cac60
2017-11-19 17:54:55 +01:00
virtual at 0
_FILE:
.pos dq ?
.bufpos dq ?
.bufsize dd ?
.mode dd ?
.hPlugin dd ?
.hFile dd ?
.fileinfo:
.fimode dd ?
.fioffset dq ?
.fisize dd ?
.fibuf dd ?
.finame rb 1024
.attr rb 40
align 512
.buf rb 2048
.size = $
end virtual
O_READ = 1 ; allows read from file
O_WRITE = 2 ; allows write to file
O_CREATE = 4 ; if file does not exist and this flag is set, create file;
; if file does not exist and this flag is not set, fail
O_TRUNCATE = 8 ; truncate file if it exists
O_SEQUENTIAL_ONLY = 10h ; there will be no 'seek'/'setpos' calls
; void __stdcall close(HANDLE hFile);
close:
pushad
mov ecx, [esp+24h]
mov eax, [ecx+_FILE.hPlugin]
test eax, eax
jz @f
push ecx
push [ecx+_FILE.hFile]
call [aClose]
pop ecx
@@:
call pgfree
popad
ret 4
; unsigned __stdcall read(HANDLE hFile, void* buf, unsigned size);
read:
xor eax, eax
pushad
mov ecx, [esp+36]
test [ecx+_FILE.mode], O_READ
jnz @f
.ret:
popad
ret 12
@@:
cmp dword [esp+44], eax
jz .ret
mov [ecx+_FILE.fimode], eax
mov ebx, [ecx+_FILE.bufsize]
mov eax, dword [ecx+_FILE.pos]
and eax, 2047
sub ebx, eax
jbe .nobuf0
cmp ebx, [esp+44]
jbe @f
mov ebx, [esp+44]
@@:
push ecx
lea esi, [ecx+eax+_FILE.buf]
mov ecx, ebx
mov edi, [esp+44]
rep movsb
pop ecx
mov [esp+40], edi
add [esp+28], ebx
add dword [ecx+_FILE.pos], ebx
adc dword [ecx+_FILE.pos+4], 0
test dword [ecx+_FILE.pos], 2047
jnz @f
and [ecx+_FILE.bufsize], 0
@@:
sub [esp+44], ebx
jz .ret
.nobuf0:
test dword [ecx+_FILE.pos], 2047
jz .aligned
cmp dword [ecx+_FILE.bufsize], 0
jnz .ret
lea ebx, [ecx+_FILE.fileinfo]
mov dword [ebx+12], 2048
lea eax, [ecx+_FILE.buf]
mov dword [ebx+16], eax
mov eax, dword [ecx+_FILE.fioffset]
mov dword [ecx+_FILE.bufpos], eax
mov eax, dword [ecx+_FILE.fioffset+4]
mov dword [ecx+_FILE.bufpos+4], eax
call .doread
test eax, eax
jnz .ret
mov [ecx+_FILE.bufsize], ebx
mov eax, dword [ecx+_FILE.pos]
and eax, 2047
sub ebx, eax
jbe .ret
cmp ebx, [esp+44]
jbe @f
mov ebx, [esp+44]
@@:
push ecx
lea esi, [ecx+eax+_FILE.buf]
mov ecx, ebx
mov edi, [esp+44]
rep movsb
pop ecx
add dword [ecx+_FILE.pos], ebx
adc dword [ecx+_FILE.pos+4], 0
mov [esp+40], edi
add [esp+28], ebx
sub [esp+44], ebx
jz .ret
test dword [ecx+_FILE.pos], 2047
jnz .ret
.aligned:
lea ebx, [ecx+_FILE.fileinfo]
mov eax, [esp+44]
and eax, not 2047
jz .finish
and [ecx+_FILE.bufsize], 0
mov [ebx+12], eax
mov eax, [esp+40]
mov [ebx+16], eax
call .doread
test eax, eax
jnz .ret
add dword [ecx+_FILE.pos], ebx
adc dword [ecx+_FILE.pos+4], 0
add [esp+28], ebx
add [esp+40], ebx
sub [esp+44], ebx
jz .ret
cmp ebx, [ecx+_FILE.fisize]
jb .ret
.finish:
lea ebx, [ecx+_FILE.fileinfo]
mov dword [ebx+12], 2048
lea eax, [ecx+_FILE.buf]
mov [ebx+16], eax
and [ecx+_FILE.bufsize], 0
mov eax, dword [ecx+_FILE.fioffset]
mov dword [ecx+_FILE.bufpos], eax
mov eax, dword [ecx+_FILE.fioffset+4]
mov dword [ecx+_FILE.bufpos+4], eax
call .doread
test eax, eax
jnz .ret
mov [ecx+_FILE.bufsize], ebx
cmp ebx, [esp+44]
jb @f
mov ebx, [esp+44]
@@:
add [esp+28], ebx
add dword [ecx+_FILE.pos], ebx
adc dword [ecx+_FILE.pos+4], 0
lea esi, [ecx+_FILE.buf]
mov edi, [esp+40]
mov ecx, ebx
rep movsb
popad
ret 12
.doread:
mov eax, [ecx+_FILE.hPlugin]
test eax, eax
jz .native
push ecx
push [ecx+_FILE.fisize]
push [ecx+_FILE.fibuf]
push [ecx+_FILE.hFile]
call [eax+aRead]
pop ecx
cmp eax, -1
jz @f
mov ebx, eax
xor eax, eax
jmp .addpos
@@:
ret
.native:
push 70
pop eax
int 0x40
test eax, eax
jz .addpos
cmp eax, 6
jnz @b
xor eax, eax
.addpos:
add dword [ecx+_FILE.fioffset], ebx
adc dword [ecx+_FILE.fioffset+4], 0
ret
; void __stdcall seek(HANDLE hFile, int method, __int64 newpos);
seek:
pushad
mov ecx, [esp+36]
mov eax, [esp+44]
mov edx, [esp+48]
cmp dword [esp+40], 1
jb .set
ja .end
add eax, dword [ecx+_FILE.pos]
adc edx, dword [ecx+_FILE.pos+4]
jmp .set
.end:
add eax, dword [ecx+_FILE.attr+32]
adc edx, dword [ecx+_FILE.attr+36]
.set:
mov dword [ecx+_FILE.pos], eax
mov dword [ecx+_FILE.pos+4], edx
and eax, not 2047
cmp eax, dword [ecx+_FILE.bufpos]
jnz @f
cmp edx, dword [ecx+_FILE.bufpos+4]
jz .bufposok
@@:
and [ecx+_FILE.bufsize], 0
mov dword [ecx+_FILE.bufpos], eax
mov dword [ecx+_FILE.bufpos+4], edx
.bufposok:
cmp [ecx+_FILE.bufsize], 0
jnz .ret
cmp eax, dword [ecx+_FILE.fioffset]
jnz @f
cmp edx, dword [ecx+_FILE.fioffset+4]
jz .ret
@@:
mov dword [ecx+_FILE.fioffset], eax
mov dword [ecx+_FILE.fioffset+4], edx
mov eax, [ecx+_FILE.hPlugin]
test eax, eax
jz @f
push dword [ecx+_FILE.fioffset+4]
push dword [ecx+_FILE.fioffset]
push [ecx+_FILE.hFile]
call [eax+aSetpos]
@@:
.ret:
popad
ret 16
; __int64 __stdcall tell(HANDLE hFile);
tell:
mov eax, [esp+4]
mov edx, dword [eax+_FILE.pos+4]
mov eax, dword [eax+_FILE.pos]
ret 4
; HANDLE __stdcall open(const char* name, int mode);
; Opens physical file
open:
pushad
mov ecx, _FILE.size
call xpgalloc
test eax, eax
jz .ret0z
mov [esp+28], eax
mov ecx, eax
mov esi, [esp+36]
lea edi, [eax+_FILE.finame]
lea edx, [eax+_FILE.finame+1024]
@@:
lodsb
stosb
test al, al
jz @f
cmp edi, edx
jb @b
.ret0:
call pgfree
.ret0z:
popad
xor eax, eax
ret 8
@@:
mov eax, [esp+40]
mov [ecx+_FILE.mode], eax
.getattr:
lea edi, [ecx+_FILE.fileinfo]
mov ebx, edi
push 5
pop eax
stosd
xor eax, eax
stosd
stosd
stosd
lea eax, [ecx+_FILE.attr]
stosd
push 70
pop eax
int 0x40
test eax, eax
jz .found
cmp eax, 5
jnz .ret0
; file does not exist
test [ecx+_FILE.mode], O_CREATE
jz .ret0
.truncate:
lea ebx, [ecx+_FILE.fileinfo]
mov byte [ebx], 2
push 70
pop eax
int 0x40
test eax, eax
jz .getattr
jmp .ret0
.found:
test [ecx+_FILE.mode], O_TRUNCATE
jz @f
cmp dword [ecx+_FILE.attr+36], eax
jnz .truncate
cmp dword [ecx+_FILE.attr+32], eax
jnz .truncate
@@:
mov dword [ecx+_FILE.pos], eax
mov dword [ecx+_FILE.pos+4], eax
mov dword [ecx+_FILE.bufpos], eax
mov dword [ecx+_FILE.bufpos+4], eax
mov [ecx+_FILE.bufsize], eax
mov [ecx+_FILE.hPlugin], eax
mov [ecx+_FILE.hFile], eax
mov dword [ecx+_FILE.fioffset], eax
mov dword [ecx+_FILE.fioffset+4], eax
mov [esp+28], ecx
popad
ret 8
; HANDLE __stdcall open2(int plugin_id, HANDLE plugin_instance, const char* name, int mode);
; Opens file on plugin panel
open2:
cmp dword [esp+4], 0
jnz .plugin
pop eax
add esp, 8
push eax
jmp open
.plugin:
pushad
mov ecx, _FILE.size
call xpgalloc
test eax, eax
jz .ret0z
mov [esp+28], eax
mov ecx, eax
mov esi, [esp+44]
lea edi, [eax+_FILE.finame]
lea edx, [eax+_FILE.finame+1024]
@@:
lodsb
stosb
test al, al
jz @f
cmp edi, edx
jb @b
.ret0:
call pgfree
.ret0z:
popad
xor eax, eax
ret 8
@@:
mov edx, [esp+36]
mov [ecx+_FILE.hPlugin], edx
mov ebx, [esp+40]
mov eax, [esp+48]
mov [ecx+_FILE.mode], eax
push ebx ecx
push eax
lea eax, [ecx+_FILE.finame]
push eax
push ebx
call [edx+aOpen]
pop ecx ebx
test eax, eax
jz .ret0
mov [ecx+_FILE.hFile], eax
mov edx, [esp+36]
push ecx
lea edi, [ecx+_FILE.fileinfo]
push edi
xor eax, eax
push ecx
push 10
pop ecx
rep stosd
pop ecx
lea eax, [ecx+_FILE.finame]
push eax
push ebx
call [edx+aGetattr]
pop ecx
xor eax, eax
mov dword [ecx+_FILE.pos], eax
mov dword [ecx+_FILE.pos+4], eax
mov dword [ecx+_FILE.bufpos], eax
mov dword [ecx+_FILE.bufpos+4], eax
mov [ecx+_FILE.bufsize], eax
mov dword [ecx+_FILE.fioffset], eax
mov dword [ecx+_FILE.fioffset+4], eax
mov [esp+28], ecx
popad
ret 16
; __int64 __stdcall filesize(HANDLE hFile);
filesize:
mov eax, [esp+4]
mov edx, dword [eax+_FILE.attr+36]
mov eax, dword [eax+_FILE.attr+32]
ret 4
;
;makedir:
;; create directory with name from CopyDestEditBuf+12
;; destroys eax
; push ebx
; push 70
; pop eax
; mov ebx, mkdirinfo
; int 0x40
; pop ebx
; test eax, eax
; jz .ret
; cmp dword [esp+8], DeleteErrorBtn
; jnz @f
; cmp [copy_bSkipAll], 0
; jz @f
; push 1
; pop eax
; jmp .ret
;@@:
; push dword CopyDestEditBuf+12
; push dword aCannotMakeFolder
; call get_error_msg
; push eax
; mov eax, esp
; push dword [eax+20]
; push dword [eax+16]
; push eax
; push 3
; call SayErr
; add esp, 3*4
; test eax, eax
; jz makedir
;.ret:
; ret 8
;
;######################################################################################################
;######################################################################################################
;######################################################################################################
;######################################################################################################
CHECK_FOR_LEAKS = 0
if CHECK_FOR_LEAKS
uglobal
allocatedregions rd 1024
endg
iglobal
numallocatedregions dd 0
endg
end if
pgalloc:
; in: ecx=size
; out: eax=pointer or NULL
push ebx
push 68
pop eax
push 12
pop ebx
int 0x40
if CHECK_FOR_LEAKS
test eax, eax
jz .no
.b:
mov ebx, [numallocatedregions]
cmp ebx, 1024
jb @f
int3
jmp $
@@:
mov [allocatedregions+ebx*4], eax
inc [numallocatedregions]
.no:
end if
pop ebx
ret
pgfree:
; in: ecx=pointer
; destroys eax
if CHECK_FOR_LEAKS
jecxz .no
mov eax, [numallocatedregions]
@@:
dec eax
js .a
cmp [allocatedregions+eax*4], ecx
jnz @b
jmp @f
.a:
int3
jmp $
@@:
dec [numallocatedregions]
@@:
cmp eax, [numallocatedregions]
jae @f
push [allocatedregions+eax*4+4]
pop [allocatedregions+eax*4]
inc eax
jmp @b
@@:
.no:
end if
push ebx
push 68
pop eax
push 13
pop ebx
int 0x40
pop ebx
ret
pgrealloc:
; in: ecx=size, edx=pointer
; out: eax=pointer
push ebx
push 68
pop eax
push 20
pop ebx
int 0x40
if CHECK_FOR_LEAKS
test edx, edx
jz pgalloc.b
test eax, eax
jz .no
cmp eax, edx
jz .no
xor ebx, ebx
@@:
cmp ebx, [numallocatedregions]
jae .a
cmp [allocatedregions+ebx*4], edx
jz @f
inc ebx
jmp @b
@@:
mov [allocatedregions+ebx*4], eax
jmp .no
.a:
int3
jmp $
.no:
end if
pop ebx
ret
xpgalloc:
; in: ecx=size
; out: eax=pointer or NULL
call pgalloc
.common:
test eax, eax
jnz @f
;call SayNoMem
@@:
ret
xpgrealloc:
; in: edx=pointer, ecx=new size
; out: eax=pointer or NULL
call pgrealloc
jmp xpgalloc.common
getfreemem:
; out: eax=size of free RAM in Kb
push ebx
mcall 18,16
pop ebx
ret
proc myAddFile name:dword, bdfe_info:dword, hFile:dword
locals
beginFile dd 0
pos dd 0
endl
;dps 'file unpack '
;dpsP [name]
;dnl
pusha
mov [pos],0
push ebp
stdcall [aRead], [hFile], copy_buf, SIZE_COPY_BUF
pop ebp
mov [fsWrite.cmd],2
mov [fsWrite.pos],0
mov [fsWrite.size],eax
mov eax,[name]
mov [fsWrite.path],eax
mcall 70,fsWrite
.loop:
mov eax, [fsWrite.size]
add [pos], eax
push ebp
stdcall [aRead], [hFile], copy_buf, SIZE_COPY_BUF
pop ebp
cmp eax,0
jz .end
mov [fsWrite.cmd],3
mov [fsWrite.size],eax
mov eax,[pos]
mov [fsWrite.pos],eax
mcall 70,fsWrite
jmp .loop
.end:
popa
mov eax,1
ret
endp
proc myAddDir name:dword, bdfe_info:dword
dps 'log adddir'
mov eax,[name]
dpsP eax
dnl
pusha
mov eax,[name]
mov [fsNewDir.path],eax
mcall 70,fsNewDir
;
; mov edi,[name]
; xor al,al
; mov ecx,256
; repne scasb
; mov edx,256
; sub edx,ecx
; mov eax,[name]
; mcall 30,1,eax
popa
mov eax,1
ret
endp
;<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD>᫥<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD> <EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD> <EFBFBD>⭮<EFBFBD><EFBFBD>⥫쭮<EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>७<EFBFBD><EFBFBD>
proc cpLastName inp:dword, outp:dword
push edi esi
mov edi,[inp]
xor al,al
mov ecx,256 ; V
repne scasb ;/fol1/file1.zip
mov al,'/'
mov ecx,256
std ; V
repne scasb ;/fol1/file1.zip
cld
mov esi,edi
add esi,2
mov ecx,256 ;/fol1/file1.zip
mov edi,[outp] ;file1.zip
@@: lodsb
stosb
test al,al
jz @f
loop @b
@@:
mov al,'.'
mov ecx,256
std ; V
repne scasb ;file1.zip
cld
mov [edi+1], byte 0
pop esi edi
ret
endp
proc cpAllExcludeLastName inp:dword, outp:dword
push edi esi
mov edi,[inp]
xor al,al
mov ecx,256 ; V
repne scasb ;/fol1/file1.zip
mov al,'/'
mov ecx,256
std ; V
repne scasb ;/fol1/file1.zip
cld
mov edx,edi
add edx, 2
mov esi,[inp]
mov ecx,256 ;/fol1/file1.zip
mov edi,[outp] ;file1.zip
@@: lodsb
stosb
test al,al
jz @f
cmp esi,edx
jae @f
loop @b
@@:
xor al, al
stosb
pop esi edi
ret
endp
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