forked from KolibriOS/kolibrios
284 lines
6.5 KiB
PHP
284 lines
6.5 KiB
PHP
|
|
||
|
|
|
||
|
|
include 'import32.inc'
|
||
|
|
include 'proc32.inc'
|
||
|
|
|
||
|
|
use32
|
||
|
|
org 0x0
|
||
|
|
|
||
|
|
db 'MENUET02'
|
||
|
|
dd 0x01
|
||
|
|
dd __start
|
||
|
|
dd __iend
|
||
|
|
dd __bssend
|
||
|
|
dd __stack
|
||
|
|
dd __cmdline
|
||
|
|
dd __pgmname
|
||
|
|
dd 0x0
|
||
|
|
dd __idata_start
|
||
|
|
dd __idata_end
|
||
|
|
dd main
|
||
|
|
|
||
|
|
IMAGE_DOS_SIGNATURE equ 0x5A4D
|
||
|
|
IMAGE_NT_SIGNATURE equ 0x00004550
|
||
|
|
IMAGE_FILE_MACHINE_I386 equ 0x014c
|
||
|
|
IMAGE_NT_OPTIONAL_HDR32_MAGIC equ 0x10B
|
||
|
|
IMAGE_NT_HEADERS32_SIZE equ 0xF8
|
||
|
|
|
||
|
|
|
||
|
|
__start:
|
||
|
|
|
||
|
|
.e_lfanew equ 0x3C
|
||
|
|
|
||
|
|
.FileHeader.NumberOfSections equ 0x06
|
||
|
|
|
||
|
|
.OptionalHeader.ImageBase equ 0x34
|
||
|
|
.SectionAlignment equ 0x38
|
||
|
|
.FileAlignment equ 0x3C
|
||
|
|
|
||
|
|
.OptionalHeader.SizeOfImage equ 0x50
|
||
|
|
.OptionalHeader.SizeOfHeaders equ 0x54
|
||
|
|
|
||
|
|
.VirtualAddress equ 0x0C
|
||
|
|
.SizeOfRawData equ 0x10
|
||
|
|
.PointerToRawData equ 0x14
|
||
|
|
|
||
|
|
.OptionalHeader.RelocDataDirectory.VirtualAddress equ 0xA0
|
||
|
|
.OptionalHeader.RelocDataDirectory.Size equ 0xA4
|
||
|
|
|
||
|
|
.SizeOfBlock equ 0x04
|
||
|
|
|
||
|
|
|
||
|
|
mov eax, 68
|
||
|
|
mov ebx, 12
|
||
|
|
mov ecx, STACK_SIZE
|
||
|
|
add ecx, 4095
|
||
|
|
and ecx, -4096
|
||
|
|
int 0x40
|
||
|
|
test eax, eax
|
||
|
|
jz .exit
|
||
|
|
|
||
|
|
add ecx, eax
|
||
|
|
mov [fs:8], eax
|
||
|
|
mov [fs:12], ecx
|
||
|
|
mov esp, ecx
|
||
|
|
|
||
|
|
sub esp, 1024
|
||
|
|
mov eax, 9
|
||
|
|
mov ebx, esp
|
||
|
|
mov ecx, -1
|
||
|
|
int 0x40
|
||
|
|
|
||
|
|
mov eax, [ebx+30]
|
||
|
|
mov [fs:0], eax
|
||
|
|
add esp, 1024
|
||
|
|
|
||
|
|
mov eax, 68
|
||
|
|
mov ebx, 27
|
||
|
|
mov ecx, libc_path
|
||
|
|
int 0x40
|
||
|
|
test eax, eax
|
||
|
|
jz .exit
|
||
|
|
|
||
|
|
push edx
|
||
|
|
push eax
|
||
|
|
|
||
|
|
.validate_pe:
|
||
|
|
|
||
|
|
cmp edx, 0x3F
|
||
|
|
jbe .exit
|
||
|
|
cmp word [eax], IMAGE_DOS_SIGNATURE
|
||
|
|
jne .exit
|
||
|
|
|
||
|
|
mov edx, [eax+.e_lfanew]
|
||
|
|
test edx, edx
|
||
|
|
jz .exit
|
||
|
|
|
||
|
|
add edx, eax ;edx = nt header
|
||
|
|
jb .exit
|
||
|
|
|
||
|
|
cmp dword [edx], IMAGE_NT_SIGNATURE
|
||
|
|
jnz .exit
|
||
|
|
|
||
|
|
cmp word [edx+0x04], IMAGE_FILE_MACHINE_I386
|
||
|
|
jnz .exit
|
||
|
|
|
||
|
|
cmp word [edx+0x18], IMAGE_NT_OPTIONAL_HDR32_MAGIC
|
||
|
|
jnz .exit
|
||
|
|
|
||
|
|
mov ecx, [edx+.SectionAlignment]
|
||
|
|
cmp ecx, 4095
|
||
|
|
ja .l1
|
||
|
|
|
||
|
|
cmp ecx, [edx+.FileAlignment]
|
||
|
|
jne .exit
|
||
|
|
|
||
|
|
jmp @F
|
||
|
|
.l1:
|
||
|
|
cmp ecx, [edx+.FileAlignment]
|
||
|
|
jb .exit
|
||
|
|
@@:
|
||
|
|
test ecx, ecx
|
||
|
|
jz .exit
|
||
|
|
|
||
|
|
lea eax, [ecx-1]
|
||
|
|
test ecx, eax
|
||
|
|
jnz .exit
|
||
|
|
|
||
|
|
mov ecx, [edx+.FileAlignment]
|
||
|
|
test ecx, ecx
|
||
|
|
jz .exit
|
||
|
|
|
||
|
|
lea ebx, [ecx-1]
|
||
|
|
test ecx, ebx
|
||
|
|
jnz .exit
|
||
|
|
|
||
|
|
cmp word [edx+.FileHeader.NumberOfSections], 96
|
||
|
|
ja .exit
|
||
|
|
|
||
|
|
.create_image:
|
||
|
|
|
||
|
|
mov ecx, [edx+.OptionalHeader.SizeOfImage]
|
||
|
|
mov eax, 68
|
||
|
|
mov ebx, 12
|
||
|
|
int 0x40
|
||
|
|
|
||
|
|
mov ebp, eax
|
||
|
|
test eax, eax
|
||
|
|
jz .exit_2
|
||
|
|
|
||
|
|
mov ecx, [edx+.OptionalHeader.SizeOfHeaders]
|
||
|
|
mov esi, [esp]
|
||
|
|
mov edi, eax
|
||
|
|
shr ecx, 2 ;copy header
|
||
|
|
rep movsd
|
||
|
|
|
||
|
|
lea eax, [edx+IMAGE_NT_HEADERS32_SIZE] ;eax = MAGE_SECTION_HEADER
|
||
|
|
movzx ebx, word [edx+.FileHeader.NumberOfSections]
|
||
|
|
test ebx, ebx
|
||
|
|
jz @F
|
||
|
|
|
||
|
|
.copy_loop:
|
||
|
|
mov ecx, [eax+.SizeOfRawData]
|
||
|
|
test ecx, ecx
|
||
|
|
jz .next_section
|
||
|
|
|
||
|
|
mov esi, [eax+.PointerToRawData]
|
||
|
|
test esi, esi
|
||
|
|
jz .next_section
|
||
|
|
|
||
|
|
add esi, [esp]
|
||
|
|
mov edi, [eax+.VirtualAddress]
|
||
|
|
add edi, ebp
|
||
|
|
shr ecx, 2
|
||
|
|
rep movsd
|
||
|
|
;copy section
|
||
|
|
.next_section:
|
||
|
|
add eax, 0x28
|
||
|
|
dec ebx
|
||
|
|
jnz .copy_loop
|
||
|
|
@@:
|
||
|
|
push edx
|
||
|
|
|
||
|
|
mov esi, [edx+.OptionalHeader.RelocDataDirectory.Size]
|
||
|
|
test esi, esi
|
||
|
|
jz .call_libc
|
||
|
|
|
||
|
|
mov ebx, ebp
|
||
|
|
sub ebx, [edx+.OptionalHeader.ImageBase] ;delta
|
||
|
|
mov edx, [edx+.OptionalHeader.RelocDataDirectory.VirtualAddress]
|
||
|
|
lea ecx, [ebp+edx] ;IMAGE_BASE_RELOCATION
|
||
|
|
mov eax, [ecx+.SizeOfBlock]
|
||
|
|
test eax, eax
|
||
|
|
jz .unmap_relocs
|
||
|
|
|
||
|
|
mov esi, ebx
|
||
|
|
shr esi, 16
|
||
|
|
push esi
|
||
|
|
align 4
|
||
|
|
.loop_block:
|
||
|
|
sub eax, 8
|
||
|
|
lea edx, [ecx+8] ;entry
|
||
|
|
shr eax, 1
|
||
|
|
jz .next_block
|
||
|
|
lea edi, [ecx+eax*2+8] ;last entry
|
||
|
|
align 4
|
||
|
|
.loop_reloc:
|
||
|
|
|
||
|
|
mov si, [edx]
|
||
|
|
mov eax, esi
|
||
|
|
and eax, 0FFFh
|
||
|
|
add eax, [ecx] ;offset
|
||
|
|
shr si, 12 ;reloc type
|
||
|
|
dec si
|
||
|
|
jnz @F
|
||
|
|
|
||
|
|
.type_1:
|
||
|
|
mov esi, [esp]
|
||
|
|
add [eax+ebp], si
|
||
|
|
jmp .next_entry
|
||
|
|
@@:
|
||
|
|
dec si
|
||
|
|
jnz @F
|
||
|
|
|
||
|
|
.type_2:
|
||
|
|
add [eax+ebp], bx
|
||
|
|
jmp .next_entry
|
||
|
|
@@:
|
||
|
|
dec si
|
||
|
|
jnz .next_entry
|
||
|
|
|
||
|
|
.type_3:
|
||
|
|
add [eax+ebp], ebx
|
||
|
|
.next_entry:
|
||
|
|
add edx, 2
|
||
|
|
cmp edx, edi
|
||
|
|
jne .loop_reloc
|
||
|
|
.next_block:
|
||
|
|
add ecx, [ecx+.SizeOfBlock]
|
||
|
|
mov eax, [ecx+.SizeOfBlock]
|
||
|
|
test eax, eax
|
||
|
|
jnz .loop_block
|
||
|
|
|
||
|
|
add esp, 4
|
||
|
|
pop edx
|
||
|
|
mov esi, [edx+.OptionalHeader.RelocDataDirectory.Size]
|
||
|
|
mov edx, [edx+.OptionalHeader.RelocDataDirectory.VirtualAddress]
|
||
|
|
|
||
|
|
.unmap_relocs:
|
||
|
|
mov ebx, 26
|
||
|
|
mov eax, 68
|
||
|
|
mov ecx, ebp
|
||
|
|
int 0x40
|
||
|
|
|
||
|
|
.call_libc:
|
||
|
|
|
||
|
|
push ebp
|
||
|
|
mov edx, [ebp+0x3C]
|
||
|
|
add ebp, [ebp+edx+0x28]
|
||
|
|
|
||
|
|
call ebp
|
||
|
|
|
||
|
|
.exit_2:
|
||
|
|
.exit:
|
||
|
|
or eax, -1
|
||
|
|
int 0x40
|
||
|
|
|
||
|
|
libc_path db '/kolibrios/lib/libc.dll',0
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|