191 lines
3.8 KiB
PHP
191 lines
3.8 KiB
PHP
|
|
GetStrLength:
|
|
; string: [in] edi
|
|
; string length: [out] ecx
|
|
; [unchanged] ebx, edx, esi, edi, ebp, esp
|
|
or ecx, -1
|
|
xor eax, eax
|
|
cld
|
|
repne scasb
|
|
not ecx
|
|
sub edi,ecx
|
|
ret
|
|
|
|
GetProcAddress:
|
|
; hInstance (export table): [in] esi
|
|
; proc name: [in] edi
|
|
; proc address: [out] eax
|
|
; [unchanged] ebp, esp
|
|
call GetStrLength
|
|
mov edx, ecx
|
|
mov ebx, edi
|
|
mov eax, esi
|
|
.import_find:
|
|
mov esi, ebx
|
|
mov edi, [eax]
|
|
test edi, edi
|
|
jz .import_not_found
|
|
repe cmpsb
|
|
je .import_found
|
|
mov ecx, edx
|
|
add eax, 8
|
|
jmp .import_find
|
|
.import_not_found:
|
|
sub eax, 4
|
|
.import_found:
|
|
mov eax, [eax+4]
|
|
ret
|
|
|
|
ResolveImports:
|
|
; hInstance (export table): [in] esi
|
|
; lib.lookup table: [in] ebp
|
|
; ?isResolved: [out] eax
|
|
; [unchanged] esi, esp
|
|
.retFrom = 4
|
|
.import_loop:
|
|
mov edi, [ebp]
|
|
test edi, edi
|
|
jz .import_done
|
|
push esi
|
|
call GetProcAddress
|
|
pop esi
|
|
test eax, eax
|
|
jz .import_not_found
|
|
mov [ebp],eax
|
|
add ebp,4
|
|
jmp .import_loop
|
|
.import_not_found:
|
|
mov eax, sz_EPnotFound
|
|
mov ebx, sizeof.sz_EPnotFound
|
|
mov ecx, 3
|
|
mov edx, [ebp]
|
|
call ShowErrorWindow
|
|
or [LoadLibraries.errStatus+ResolveImports.retFrom],1
|
|
mcall SF_TERMINATE_PROCESS ;uncomment to stop after 1st error
|
|
jmp .import_loop
|
|
.import_done:
|
|
ret
|
|
|
|
@copy_path_wo_pdname:
|
|
; library name: [in] edx
|
|
; library path: [in] esi
|
|
; current directory path: [in] edi
|
|
; [out] no
|
|
; [unchanged] ebx, edx, ebp, esp
|
|
call GetStrLength
|
|
add edi,ecx
|
|
mov al, '/'
|
|
std
|
|
repne scasb
|
|
cld
|
|
sub edi,ecx
|
|
add ecx,2
|
|
xchg esi, edi
|
|
mov eax, ecx
|
|
shr ecx, 2
|
|
rep movsd
|
|
mov ecx, eax
|
|
and ecx, 3
|
|
rep movsb
|
|
|
|
mov esi, edx
|
|
xchg esi, edi
|
|
call GetStrLength
|
|
xchg esi, edi
|
|
mov eax, ecx
|
|
shr ecx, 2
|
|
rep movsd
|
|
mov ecx, eax
|
|
and ecx, 3
|
|
rep movsb
|
|
ret
|
|
|
|
LoadLibrary:
|
|
; library name: [in] edx
|
|
; hInstance (export table): [out] eax
|
|
; [unchanged] edx, ebp, esp
|
|
mov edi, cur_dir_path
|
|
mov esi, library_path
|
|
call @copy_path_wo_pdname
|
|
mcall SF_SYS_MISC,SSF_LOAD_DLL,library_path
|
|
test eax, eax
|
|
jnz .ret
|
|
lea ecx, [edx-9]
|
|
mcall SF_SYS_MISC,SSF_LOAD_DLL,ecx ; load of sys directory
|
|
.ret:
|
|
ret
|
|
|
|
LoadLibraries:
|
|
; [in/out] no
|
|
; [unchanged] esp
|
|
push 0
|
|
push import.data
|
|
virtual at esp+4
|
|
.errStatus dd ?
|
|
end virtual
|
|
.LoopLibraries:
|
|
mov eax, [esp]
|
|
mov ebp, [eax]
|
|
test ebp, ebp
|
|
jz .done
|
|
mov edx, [eax+4]
|
|
call LoadLibrary;edx=name
|
|
test eax, eax
|
|
jz .onError
|
|
mov esi,eax
|
|
mov eax, [esp]
|
|
call ResolveImports
|
|
add dword[esp],8
|
|
jmp .LoopLibraries
|
|
.onError:
|
|
mov eax, sz_cantLL
|
|
mov ebx, sizeof.sz_cantLL
|
|
mov ecx, 1
|
|
or [LoadLibraries.errStatus],1
|
|
mcall SF_TERMINATE_PROCESS ;uncomment to stop after 1st error
|
|
jmp .LoopLibraries
|
|
.done:
|
|
test [LoadLibraries.errStatus],1
|
|
jz .exit
|
|
mcall SF_TERMINATE_PROCESS
|
|
.exit:
|
|
add esp,8
|
|
ret
|
|
|
|
ShowErrorWindow:
|
|
; error string: [in] edx
|
|
; [unchanged] edx, ebp, esp
|
|
mov edi, [file_io_notify.flags]
|
|
xor ecx, [import_loader.state]
|
|
test ecx, ecx
|
|
jz .rns.FlagsInited
|
|
cmp ecx, 2
|
|
jz .rns.FlagsPreInited
|
|
.rns.FlagsPreInit:
|
|
mov esi, sz_system_error
|
|
mov ecx, sizeof.sz_system_error-1
|
|
cld
|
|
rep movsb
|
|
or [import_loader.state],1
|
|
jmp .rns.FlagsInit
|
|
.rns.FlagsPreInited:
|
|
add edi, sizeof.sz_system_error-1
|
|
.rns.FlagsInit:
|
|
mov esi, eax
|
|
xchg esi, edi
|
|
call GetStrLength
|
|
dec ecx
|
|
xchg esi, edi
|
|
rep movsb
|
|
xor [import_loader.state],2
|
|
jmp .rns.FlagsDone
|
|
.rns.FlagsInited:
|
|
lea edi, [edi+ebx-1+sizeof.sz_system_error-1]
|
|
.rns.FlagsDone:
|
|
mov esi, edx
|
|
xchg esi, edi
|
|
call GetStrLength
|
|
xchg esi, edi
|
|
rep movsb
|
|
mcall SF_FILE,file_io_notify
|
|
ret |