Function at 0x426880
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
sub esp, 0x10
push ebx
mov ebx, dword [esp + 0x1c]
push ebp
mov ebp, dword [esp + 0x30]
push esi
push edi
mov edi, dword [esp + 0x24]
mov dword [ebp], 0
mov al, byte [ebx]
cmp al, 0xa
je 0x426df7
cmp al, 0xd
je 0x426df7
mov ecx, dword [edi + 0xc4]
lea ebp, [edi + 0xc4]
mov esi, 4
lea eax, [ecx + 1]
mov dword [ebp], eax
test ecx, ecx
jne 0x426d11
mov dword [edi + 0xd0], ecx
mov eax, dword [edi + 0x18]
mov eax, dword [eax + 0x2ac]
mov eax, dword [eax + 0x48]
test al, 3
je 0x426a99
mov al, byte [ebx]
mov esi, ebx
test al, al
je 0x426901
nop dword [eax]
cmp al, 0x20
je 0x4268f9
cmp byte [esi], 9
jne 0x426901
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x4268f0
push 5
push str.HTTP_
push esi
call fcn.00465e70
add esp, 0xc
test eax, eax
jne 0x4269c4
movsx ecx, byte [esi + 5]
mov eax, ecx
sub eax, 0x31
je 0x4269f4
sub eax, 1
je 0x42694d
sub eax, 1
je 0x42694d
push str.Unsupported_HTTP_version_in_response
push edi
call fcn.00416750
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov al, byte [esi + 6]
cmp al, 0x20
je 0x426958
cmp al, 9
jne 0x4269c4
lea eax, [ecx - 0x30]
lea eax, [eax + eax*4]
add eax, eax
mov dword [edi + 0xd0], eax
mov cl, byte [esi + 7]
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x4269c4
mov dl, byte [esi + 8]
lea eax, [edx - 0x30]
cmp al, 9
ja 0x4269c4
mov dh, byte [esi + 9]
mov al, dh
sub al, 0x30
cmp al, 9
ja 0x4269c4
movsx eax, cl
lea ecx, [eax + eax*4]
movsx eax, dl
lea eax, [eax + ecx*2]
lea ecx, [eax + eax*4]
movsx eax, dh
lea eax, [eax + ecx*2]
add eax, 0xffffeb30
mov dword [edi + 0xd4], eax
mov al, byte [esi + 0xa]
cmp al, 0x20
je 0x426b76
cmp al, 9
je 0x426b76
cmp al, 0xa
jl 0x4269c4
cmp al, 0xd
jle 0x426b76
push dword [esp + 0x2c]
push ebx
push edi
call fcn.00425c90
add esp, 0xc
cmp eax, 1
jne 0x426d40
mov dword [edi + 0xd4], 0xc8
mov dword [edi + 0xd0], 0xa
jmp 0x426b76
cmp byte [esi + 6], 0x2e
jne 0x426a7e
mov al, byte [esi + 7]
cmp al, 0x30
je 0x426a09
cmp al, 0x31
jne 0x426a7e
mov cl, byte [esi + 8]
cmp cl, 0x20
je 0x426a16
cmp cl, 9
jne 0x426a7e
movsx eax, al
sub eax, 0x26
mov dword [edi + 0xd0], eax
mov cl, byte [esi + 9]
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x426a7e
mov dl, byte [esi + 0xa]
lea eax, [edx - 0x30]
cmp al, 9
ja 0x426a7e
mov dh, byte [esi + 0xb]
mov al, dh
sub al, 0x30
cmp al, 9
ja 0x426a7e
movsx eax, cl
lea ecx, [eax + eax*4]
movsx eax, dl
lea eax, [eax + ecx*2]
lea ecx, [eax + eax*4]
movsx eax, dh
lea eax, [eax + ecx*2]
add eax, 0xffffeb30
mov dword [edi + 0xd4], eax
mov al, byte [esi + 0xc]
cmp al, 0x20
je 0x426b76
cmp al, 9
je 0x426b76
sub al, 0xa
cmp al, 3
jbe 0x426b76
push str.Unsupported_HTTP_1_subversion_in_response
push edi
call fcn.00416750
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
test eax, 0x40000
je 0x426d40
mov al, byte [ebx]
mov esi, ebx
test al, al
je 0x426ac1
nop dword [eax]
cmp al, 0x20
je 0x426ab9
cmp byte [esi], 9
jne 0x426ac1
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x426ab0
push 5
push str.RTSP_
push esi
call fcn.00465e70
add esp, 0xc
test eax, eax
jne 0x426d40
mov al, byte [esi + 5]
sub al, 0x30
cmp al, 9
ja 0x426d47
cmp byte [esi + 6], 0x2e
jne 0x426d47
mov al, byte [esi + 7]
sub al, 0x30
cmp al, 9
ja 0x426d47
mov al, byte [esi + 8]
cmp al, 0x20
je 0x426b0c
cmp al, 9
jne 0x426d47
mov cl, byte [esi + 9]
lea eax, [ecx - 0x30]
cmp al, 9
ja 0x426d47
mov dl, byte [esi + 0xa]
lea eax, [edx - 0x30]
cmp al, 9
ja 0x426d47
mov dh, byte [esi + 0xb]
mov al, dh
sub al, 0x30
cmp al, 9
ja 0x426d47
movsx eax, cl
lea ecx, [eax + eax*4]
movsx eax, dl
lea eax, [eax + ecx*2]
lea ecx, [eax + eax*4]
movsx eax, dh
lea eax, [eax + ecx*2]
add eax, 0xffffeb30
mov dword [edi + 0xd4], eax
mov al, byte [esi + 0xc]
cmp al, 0x20
je 0x426b6c
cmp al, 9
je 0x426b6c
sub al, 0xa
cmp al, 3
ja 0x426d47
mov dword [edi + 0xd0], 0xb
mov ecx, dword [edi + 0xd0]
mov eax, ecx
mov esi, dword [edi + 0x18]
sub eax, 0xa
je 0x426ba0
sub eax, 1
je 0x426ba0
mov eax, ecx
mov ecx, 0xa
cdq
idiv ecx
mov ebp, eax
mov ecx, edx
mov eax, str.Unsupported_HTTP_version___u._d__in_response
jmp 0x426bd7
mov al, byte [esi + 0x514]
test al, al
je 0x426bf0
movzx ecx, al
mov eax, 0xcccccccd
mul ecx
mov eax, 0x66666667
mov ebp, edx
imul dword [edi + 0xd0]
shr ebp, 3
sar edx, 2
mov ecx, edx
shr ecx, 0x1f
add ecx, edx
cmp ecx, ebp
je 0x426bf0
mov eax, str.Version_mismatch__from_HTTP__u_to_HTTP__u_
push ecx
push ebp
push eax
push edi
call fcn.00416750
add esp, 0x10
mov eax, 1
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov eax, dword [edi + 0xd4]
mov dword [edi + 0xd10], eax
mov eax, dword [edi + 0xd0]
mov dword [edi + 0xd18], eax
movzx eax, byte [edi + 0xd0]
mov byte [esi + 0x514], al
mov al, byte [edi + 0xced]
test al, al
je 0x426c2a
movzx eax, al
cmp eax, dword [edi + 0xd0]
jle 0x426c36
mov al, byte [edi + 0xd0]
mov byte [edi + 0xced], al
mov eax, dword [edi + 0xbd0]
or eax, dword [edi + 0xbd4]
je 0x426c60
cmp byte [edi + 0xcee], 0
jne 0x426c60
cmp dword [edi + 0xd4], 0x1a0
jne 0x426c60
mov byte [edi + 0x132], 1
mov eax, dword [edi + 0xd0]
cmp eax, 0xa
jne 0x426c83
push str.HTTP_1.0__assume_close_after_body
push edi
call fcn.00416820
push 1
push esi
call fcn.00418dc0
add esp, 0x10
jmp 0x426ca6
cmp eax, 0x14
je 0x426c9a
cmp dword [edi + 0xdc], 2
jne 0x426ca6
cmp dword [edi + 0xd4], 0x65
jne 0x426ca6
mov eax, dword [esi + 0x4e8]
mov dword [eax], 2
mov ecx, dword [edi + 0xd4]
lea eax, [ecx - 0x64]
cmp eax, 0x63
setbe al
mov byte [edi + 0x133], al
sub ecx, 0xcc
je 0x426cd7
sub ecx, 0x64
jne 0x426d06
cmp byte [edi + 0x3b0], cl
je 0x426cd7
mov byte [edi + 0xdd0], 1
mov dword [edi + 0x88], 0
mov dword [edi + 0x8c], 0
mov dword [edi + 0x90], 0
mov dword [edi + 0x94], 0
mov byte [edi + 0x133], 1
mov esi, 0xc
lea ebp, [edi + 0xc4]
push dword [esp + 0x2c]
push 0
push ebx
call fcn.0045dd70
add esp, 0xc
test eax, eax
je 0x426d54
mov eax, str.Nul_byte_in_header
push eax
push edi
call fcn.00416750
add esp, 8
mov eax, 8
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov byte [edi + 0x129], 0
pop edi
pop esi
pop ebp
mov eax, 8
pop ebx
add esp, 0x10
ret
mov ecx, dword [ebp]
cmp ecx, 2
jl 0x426d9b
mov al, byte [ebx]
cmp al, 0x20
je 0x426d66
cmp al, 9
jne 0x426d6b
cmp ecx, 2
jg 0x426d9b
mov ebp, dword [esp + 0x2c]
push ebp
push 0x3a
push ebx
call fcn.0045dd70
add esp, 0xc
test eax, eax
jne 0x426d9f
mov eax, str.Header_without_colon
push eax
push edi
call fcn.00416750
add esp, 8
mov eax, 8
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov ebp, dword [esp + 0x2c]
push ebp
push ebx
push edi
call fcn.004243d0
add esp, 0xc
test eax, eax
jne 0x426e72
push ebp
push ebx
push 1
push edi
call fcn.004166b0
mov eax, dword [edi + 0xd4]
add esp, 0x10
sub eax, 0x64
cmp eax, 0x64
jae 0x426dd0
or esi, 0x20
push ebp
push ebx
push esi
push edi
call fcn.00417990
add esp, 0x10
test eax, eax
jne 0x426e72
push eax
push ebp
push edi
call fcn.00423a10
add esp, 0xc
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret
mov esi, dword [esp + 0x2c]
lea eax, [esi + 1]
push eax
lea eax, [esp + 0x14]
push eax
call fcn.0040da40
push esi
lea eax, [esp + 0x1c]
push ebx
push eax
call fcn.0040da00
add esp, 0x14
test eax, eax
jne 0x426e72
lea eax, [edi + 0x878]
push eax
call fcn.0040da80
add esp, 4
lea eax, [esp + 0x24]
push eax
push dword [esp + 0x38]
lea eax, [esp + 0x18]
push dword [esp + 0x38]
push eax
call fcn.0040da60
add esp, 4
push eax
lea eax, [esp + 0x20]
push eax
call fcn.0040da70
add esp, 4
push eax
push edi
call fcn.00425de0
mov ecx, dword [esp + 0x3c]
mov esi, eax
add dword [ebp], ecx
lea eax, [esp + 0x28]
push eax
call fcn.0040da10
add esp, 0x1c
mov eax, esi
pop edi
pop esi
pop ebp
pop ebx
add esp, 0x10
ret