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kolibrios/programs/hd_load/9x2klbr/9x2klbr.asm
CleverMouse 812bae4a84 add hd_load to russian livecd
git-svn-id: svn://kolibrios.org@2783 a494cfbc-eb01-0410-851d-a64ba20cac60
2012-06-15 14:18:39 +00:00

203 lines
3.4 KiB
NASM

format PE GUI 4.0
section '.text' code readable executable
entry start
start:
push ebp
mov ebp, info
xor ebx, ebx
; set current directory to exe dir
push 300
push ebp
push ebx
call [GetModuleFileNameA]
lea edi, [ebp+eax]
xchg eax, ecx
mov al, '\'
std
repnz scasb
cld
jz @f
pop ebp
ret
@@:
mov byte [edi+1], bl
push ebp
call [SetCurrentDirectoryA]
; parse command line
call [GetCommandLineA]
xchg eax, esi
; skip leading spaces
@@:
lodsb
cmp al, 0
jz cmdlineend
cmp al, ' '
jbe @b
cmp al, '"'
jz p
; skip EXE name
@@:
lodsb
cmp al, ' '
ja @b
dec esi
jmp q
p:
lodsb
cmp al, 0
jz cmdlineend
cmp al, '"'
jnz p
q:
; skip leading spaces
lodsb
cmp al, 0
jz cmdlineend
cmp al, ' '
jbe q
dec esi
; now esi points to 1st argument
jmp @f
cmdlineend:
mov esi, def
@@:
mov al, 'c'
cmp byte [esi+1], ':'
jnz @f
lodsb
inc esi
@@:
mov [ebp], al
lodsb
cmp al, '\'
jz paramsok
usage:
mov esi, usagemsg
jmp failmsg
paramsok:
cmp byte [esi], '\'
jz usage
mov edi, esi
mov al, 0
xor ecx, ecx
dec ecx
repnz scasb
not ecx
cmp ecx, 290
jae usage
lea edi, [ebp+1]
cmp ecx, 1
rep movsb
jz copydefname
cmp byte [edi-2], '\'
jnz namegiven
copydefname:
dec edi
mov ecx, defnamesz
mov esi, defname
rep movsb
namegiven:
push ebx ; hTemplateFile
; push 0x04000000 ; dwFlagsAndAttributes = FILE_FLAG_DELETE_ON_CLOSE
push ebx
push ebx ; dwCreationDisposition
push ebx ; lpSecurityAttributes
push ebx ; dwShareMode
push ebx ; dwDesiredAccess
push name ; lpFileName
call [CreateFileA]
inc eax
mov esi, errmsg
jz failmsg
dec eax
push ebx
push ebx
push ebx
push ebx
sub edi, ebp
push edi
push ebp
push 0Fh
push eax
call [DeviceIoControl]
test eax, eax
mov esi, errmsg2
jz failmsg
push ebx
push 2 ; EWX_REBOOT
call [ExitWindowsEx]
pop ebp
ret
failmsg:
push ebx
push ebx
push esi
push ebx
call [MessageBoxA]
pop ebp
ret
align 4
data import
dd 0,0,0
dd rva kernel32_name
dd rva kernel32_thunks
dd 0,0,0
dd rva user32_name
dd rva user32_thunks
dd 0,0,0,0,0
kernel32_thunks:
CreateFileA dd rva CreateFileA_thunk
CloseHandle dd rva CloseHandle_thunk
DeviceIoControl dd rva DeviceIoControl_thunk
GetCommandLineA dd rva GetCommandLineA_thunk
SetCurrentDirectoryA dd rva SetCurrentDirectoryA_thunk
GetModuleFileNameA dd rva GetModuleFileNameA_thunk
dd 0
user32_thunks:
MessageBoxA dd rva MessageBoxA_thunk
ExitWindowsEx dd rva ExitWindowsEx_thunk
dw 0
CreateFileA_thunk:
dw 0
db 'CreateFileA'
CloseHandle_thunk:
dw 0
db 'CloseHandle'
DeviceIoControl_thunk:
dw 0
db 'DeviceIoControl'
GetCommandLineA_thunk:
dw 0
db 'GetCommandLineA'
SetCurrentDirectoryA_thunk:
dw 0
db 'SetCurrentDirectoryA'
GetModuleFileNameA_thunk:
dw 0
db 'GetModuleFileNameA'
MessageBoxA_thunk:
dw 0
db 'MessageBoxA'
ExitWindowsEx_thunk:
dw 0
db 'ExitWindowsEx',0
kernel32_name db 'kernel32.dll',0
user32_name db 'user32.dll',0
end data
section '.data' data readable writable
data resource from 'klbrico.res'
end data
name db '\\.\'
vxdfilename db 'ldklbr.vxd',0
errmsg db 'Cannot load driver',0
errmsg2 db 'Invalid parameter',0
usagemsg db 'Usage: 9x2klbr [[drive:]\[path\][imagename]]',0
def db '\'
defname db 'kolibri.img',0
defnamesz = $ - defname
info rb 300