Function at 0x9df5d0
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x14
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov ecx, dword [eax]
mov edi, dword [ebp + 8]
mov eax, dword [edi + 0xd4]
lea ebx, [edi + 0x88]
push ecx
push 0xa
push eax
mov dword [ebp - 0x10], ecx
mov esi, eax
mov dword [ebp - 0x14], eax
mov dword [ebp + 8], eax
mov dword [ebp - 8], ecx
mov dword [ebp - 0xc], ecx
call fcn.00a177b0
mov ecx, eax
add esp, 0xc
test ecx, ecx
je 0x9dfe86
mov eax, dword [ebp - 8]
sub esi, ecx
mov edx, dword [ebp + 0x10]
dec eax
add eax, esi
lea esi, [edi + 0x8b0]
mov dword [edx], eax
lea eax, [ecx + 1]
mov ecx, dword [ebp + 8]
mov dword [ebx + 0x4c], eax
sub eax, ecx
push eax
push ecx
push esi
call fcn.009cc740
add esp, 0xc
test eax, eax
jne 0x9df69f
cmp dword [ebx + 0x48], eax
jne 0x9df6a6
push esi
call fcn.009cc7b0
add esp, 4
push eax
push esi
call fcn.009cc7c0
mov esi, dword [ebp + 0xc]
add esp, 4
push eax
push esi
push edi
call fcn.009e08d0
add esp, 0x10
cmp eax, 2
jne 0x9df6a9
push eax
push esi
call fcn.009d7170
add esp, 8
cmp byte [edi + 0x6e9], 0
je 0x9dfef7
mov eax, dword [ebp + 0x10]
mov byte [ebx + 0xba], 0
cmp dword [eax], 0
je 0x9dff11
mov dword [ebx + 0x44], 1
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov esi, dword [ebp + 0xc]
lea eax, [edi + 0x8b0]
push eax
call fcn.009cc7c0
mov edx, eax
add esp, 4
mov dword [ebp - 8], edx
mov cl, byte [edx]
cmp cl, 0xa
je 0x9dfa78
cmp cl, 0xd
je 0x9dfa78
mov ecx, dword [ebx + 0x48]
mov dword [ebp + 8], 4
lea eax, [ecx + 1]
mov dword [ebx + 0x48], eax
test ecx, ecx
jne 0x9df9e1
mov eax, dword [esi + 0x1e8]
mov eax, dword [eax + 0x44]
test al, 3
je 0x9df8f1
mov al, byte [edx]
mov esi, edx
test al, al
je 0x9df712
cmp al, 0x20
je 0x9df70a
cmp al, 9
jne 0x9df712
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x9df702
push 5
push str.HTTP_
push esi
call fcn.00a24b90
add esp, 0xc
test eax, eax
jne 0x9df7bf
movsx ecx, byte [esi + 5]
mov eax, ecx
sub eax, 0x31
je 0x9df801
sub eax, 1
je 0x9df747
sub eax, 1
jne 0x9dff2c
mov al, byte [esi + 6]
cmp al, 0x20
je 0x9df752
cmp al, 9
jne 0x9df7bf
lea edx, [ecx - 0x30]
mov cl, byte [esi + 7]
mov al, cl
lea edx, [edx + edx*4]
add edx, edx
sub al, 0x30
mov dword [ebp - 0xc], edx
cmp al, 9
ja 0x9df7bf
mov al, byte [esi + 8]
mov byte [ebp + 0xb], al
sub al, 0x30
cmp al, 9
ja 0x9df7bf
mov al, byte [esi + 9]
mov byte [ebp - 1], al
sub al, 0x30
cmp al, 9
ja 0x9df7bf
movsx eax, cl
lea ecx, [eax + eax*4]
movsx eax, byte [ebp + 0xb]
lea eax, [eax + ecx*2]
lea ecx, [eax + eax*4]
movsx eax, byte [ebp - 1]
lea ecx, [ecx - 0xa68]
lea ecx, [eax + ecx*2]
mov dword [ebx + 0x58], ecx
mov al, byte [esi + 0xa]
cmp al, 0x20
je 0x9df898
cmp al, 9
je 0x9df898
cmp al, 0xa
jl 0x9df7bf
cmp al, 0xd
jle 0x9df898
lea esi, [edi + 0x8b0]
push esi
call fcn.009cc7b0
add esp, 4
push eax
push esi
call fcn.009cc7c0
add esp, 4
push eax
push edi
call fcn.009e0810
add esp, 0xc
cmp eax, 1
jne 0x9dffbd
mov esi, dword [ebp + 0xc]
mov dword [ebx + 0x58], 0xc8
mov byte [esi + 0x455], 0xa
jmp 0x9df9c8
cmp byte [esi + 6], 0x2e
jne 0x9dff97
mov al, byte [esi + 7]
cmp al, 0x30
je 0x9df81a
cmp al, 0x31
jne 0x9dff97
mov cl, byte [esi + 8]
cmp cl, 0x20
je 0x9df82b
cmp cl, 9
jne 0x9dff97
mov cl, byte [esi + 9]
movsx edx, al
mov al, cl
sub edx, 0x26
sub al, 0x30
mov dword [ebp - 0xc], edx
cmp al, 9
ja 0x9dff97
mov al, byte [esi + 0xa]
mov byte [ebp + 0xb], al
sub al, 0x30
cmp al, 9
ja 0x9dff97
mov al, byte [esi + 0xb]
mov byte [ebp - 1], al
sub al, 0x30
cmp al, 9
ja 0x9dff97
movsx eax, cl
lea ecx, [eax + eax*4]
movsx eax, byte [ebp + 0xb]
lea eax, [eax + ecx*2]
lea ecx, [eax + eax*4]
movsx eax, byte [ebp - 1]
lea ecx, [ecx - 0xa68]
lea ecx, [eax + ecx*2]
mov dword [ebx + 0x58], ecx
mov al, byte [esi + 0xc]
cmp al, 0x20
je 0x9df898
cmp al, 9
je 0x9df898
sub al, 0xa
cmp al, 3
ja 0x9dff97
cmp ecx, 0x64
jl 0x9dff7d
mov eax, edx
sub eax, 0xa
je 0x9df8b1
sub eax, 1
jne 0x9dff46
mov esi, dword [ebp + 0xc]
mov byte [esi + 0x455], dl
cmp dword [ebx + 0x74], 3
jne 0x9df8d3
cmp dl, 0x14
je 0x9df8d3
push str.Lying_server__not_serving_HTTP_2
push edi
call fcn.009d6200
add esp, 8
cmp byte [esi + 0x455], 0x14
jae 0x9df9c8
mov eax, dword [esi + 0x428]
mov dword [eax], 0xffffffff
jmp 0x9df9c8
test eax, 0x40000
je 0x9dffbd
mov al, byte [edx]
mov esi, edx
test al, al
je 0x9df914
cmp al, 0x20
je 0x9df90c
cmp al, 9
jne 0x9df914
mov al, byte [esi + 1]
inc esi
test al, al
jne 0x9df904
push 5
push str.RTSP_
push esi
call fcn.00a24b90
add esp, 0xc
test eax, eax
jne 0x9dffbd
mov al, byte [esi + 5]
sub al, 0x30
cmp al, 9
ja 0x9dffb1
cmp byte [esi + 6], 0x2e
jne 0x9dffb1
mov al, byte [esi + 7]
sub al, 0x30
cmp al, 9
ja 0x9dffb1
mov al, byte [esi + 8]
cmp al, 0x20
je 0x9df95f
cmp al, 9
jne 0x9dffb1
mov cl, byte [esi + 9]
mov al, cl
sub al, 0x30
cmp al, 9
ja 0x9dffb1
mov dh, byte [esi + 0xa]
mov al, dh
sub al, 0x30
cmp al, 9
ja 0x9dffb1
mov dl, byte [esi + 0xb]
mov al, dl
sub al, 0x30
cmp al, 9
ja 0x9dffb1
movsx eax, cl
lea ecx, [eax + eax*4]
movsx eax, dh
lea eax, [eax + ecx*2]
lea ecx, [eax + eax*4]
movsx eax, dl
lea eax, [eax + ecx*2]
add eax, 0xffffeb30
mov dword [ebx + 0x58], eax
mov al, byte [esi + 0xc]
cmp al, 0x20
je 0x9df9be
cmp al, 9
je 0x9df9be
sub al, 0xa
cmp al, 3
ja 0x9dffb1
mov esi, dword [ebp + 0xc]
mov byte [esi + 0x455], 0xb
push esi
push edi
call fcn.009e0470
add esp, 8
test eax, eax
jne 0x9df69f
mov dword [ebp + 8], 0xc
push edi
call fcn.009e1240
add esp, 4
test eax, eax
jne 0x9df69f
push dword [ebp - 8]
push esi
push edi
call fcn.009de4d0
add esp, 0xc
test eax, eax
jne 0x9df69f
mov eax, dword [ebx + 0x58]
sub eax, 0x64
cmp eax, 0x64
jae 0x9dfa16
or dword [ebp + 8], 0x20
lea eax, [edi + 0x8b0]
push eax
call fcn.009cc7b0
mov esi, dword [ebp - 8]
push eax
push esi
push 1
push edi
call fcn.009d60a0
lea eax, [edi + 0x8b0]
push eax
call fcn.009cc7b0
push eax
push esi
push dword [ebp + 8]
push edi
call fcn.009d6510
add esp, 0x28
test eax, eax
jne 0x9df69f
push eax
lea eax, [edi + 0x8b0]
push eax
call fcn.009cc7b0
add esp, 4
push eax
push edi
call fcn.009dcfb0
add esp, 0xc
test eax, eax
jne 0x9df69f
jmp 0x9dfe45
mov ecx, dword [ebx + 0x58]
lea eax, [ecx - 0x64]
cmp eax, 0x63
ja 0x9dfae6
sub ecx, 0x64
je 0x9dfab6
sub ecx, 1
je 0x9dfaa0
mov byte [ebx + 0xba], 1
mov dword [ebx + 0x48], 0
jmp 0x9dfb51
cmp dword [ebx + 0x74], 2
je 0x9dffcd
mov byte [ebx + 0xba], 0
jmp 0x9dfb51
cmp dword [ebx + 0x70], 0
mov byte [ebx + 0xba], 1
mov dword [ebx + 0x48], 0
jle 0x9dfb51
or dword [ebx + 0x5c], 2
push 0
push edi
mov dword [ebx + 0x70], 0
call fcn.009c6af0
add esp, 8
jmp 0x9dfb51
cmp dword [ebx + 0x74], 2
jne 0x9dfaf7
push dword [edi + 0x7c]
call fcn.009c6bd0
add esp, 4
mov eax, dword [ebx]
and eax, dword [ebx + 4]
mov byte [ebx + 0xba], 0
cmp eax, 0xffffffff
jne 0x9dfb51
cmp byte [ebx + 0xbf], 0
jne 0x9dfb51
cmp byte [esi + 0x1ce], 0
jne 0x9dfb51
cmp byte [esi + 0x455], 0xb
jne 0x9dfb51
mov eax, dword [esi + 0x1e8]
test dword [eax + 0x44], 0x40000
jne 0x9dfb51
cmp byte [edi + 0xd6e], 5
je 0x9dfb51
push str.no_chunk__no_close__no_size._Assume_close_to_signal_end
push edi
call fcn.009d6200
push 2
push esi
call fcn.009d7170
add esp, 0x10
cmp byte [ebx + 0xba], 0
jne 0x9dfb6b
push edi
call fcn.009e03a0
add esp, 4
test eax, eax
jne 0x9df69f
cmp byte [esi + 0x1ce], 0
je 0x9dfbfb
mov eax, dword [edi + 0xe0]
cmp eax, 0x191
jne 0x9dfb90
cmp dword [esi + 0x258], 2
je 0x9dfba0
jmp 0x9dfbb5
cmp eax, 0x197
jne 0x9dfbb5
cmp dword [esi + 0x25c], 2
jne 0x9dfbb5
push str.Connection_closure_while_negotiating_auth__HTTP_1.0__
push edi
call fcn.009d6200
add esp, 8
mov byte [edi + 0xd75], 1
cmp byte [esi + 0x1ce], 0
je 0x9dfbfb
mov eax, dword [edi + 0xe0]
cmp eax, 0x191
jne 0x9dfbd6
cmp dword [esi + 0x2e0], 1
je 0x9dfbe6
jmp 0x9dfbfb
cmp eax, 0x197
jne 0x9dfbfb
cmp dword [esi + 0x2e4], 1
jne 0x9dfbfb
push str.Connection_closure_while_negotiating_auth__HTTP_1.0__
push edi
call fcn.009d6200
add esp, 8
mov byte [edi + 0xd75], 1
cmp dword [esi + 0x2e0], 3
jne 0x9dfc1a
cmp dword [edi + 0xe0], 0x191
je 0x9dfc1a
mov dword [esi + 0x2e0], 4
cmp dword [esi + 0x2e4], 3
jne 0x9dfc39
cmp dword [edi + 0xe0], 0x197
je 0x9dfc39
mov dword [esi + 0x2e4], 4
mov eax, dword [ebx + 0x58]
sub eax, 0x64
cmp eax, 0x64
lea eax, [edi + 0x8b0]
push eax
sbb esi, esi
and esi, 0x20
add esi, 4
call fcn.009cc7b0
add esp, 4
mov dword [ebp - 0xc], eax
push eax
lea eax, [edi + 0x8b0]
push eax
call fcn.009cc7c0
add esp, 4
push eax
push esi
push edi
call fcn.009d6510
add esp, 0x10
test eax, eax
jne 0x9df69f
push eax
push dword [ebp - 0xc]
push edi
call fcn.009dcfb0
add esp, 0xc
test eax, eax
jne 0x9df69f
mov esi, dword [ebx + 0x58]
push edi
call fcn.009e0db0
add esp, 4
test al, al
jne 0x9e0064
lea eax, [esi - 0x64]
cmp eax, 0x63
ja 0x9dfcb8
mov eax, dword [edi + 0xc0]
jmp 0x9dfcba
xor eax, eax
push edi
mov dword [edi + 0xc8], eax
call fcn.009dd4c0
add esp, 4
test eax, eax
jne 0x9df69f
cmp dword [ebx + 0x58], 0x12c
mov esi, dword [ebp + 0xc]
jl 0x9dfe38
cmp byte [esi + 0x1d8], al
jne case.default.0x9dfd16
cmp byte [esi + 0x1ce], al
jne case.default.0x9dfd16
cmp byte [edi + 0xd83], al
jne 0x9dfe1d
movzx eax, byte [edi + 0xd6e]
dec eax
cmp eax, 3
ja case.default.0x9dfd16
jmp dword [eax*4 + 0x9e0080]
push 0
push edi
call fcn.009c6af0
add esp, 8
cmp byte [ebx + 0xbc], 0
jne case.default.0x9dfd16
cmp dword [ebx + 0x58], 0x1a1
jne 0x9dfdaf
cmp byte [edi + 0xd77], 0
je 0x9dfdaf
mov eax, dword [ebx + 0x18]
or eax, dword [ebx + 0x1c]
jne 0x9dfd65
cmp dword [ebx + 0x70], 1
jne 0x9dfd65
push str.Got_HTTP_failure_417_while_waiting_for_a_100
push edi
call fcn.009d6200
add esp, 8
jmp 0x9dfd8a
push str.Got_HTTP_failure_417_while_sending_data
push edi
call fcn.009d6200
push 2
push esi
call fcn.009d7170
push esi
push edi
call fcn.009e0b90
add esp, 0x18
test eax, eax
jne 0x9df69f
push dword [edi + 0xcc4]
mov byte [edi + 0xd78], 1
call dword [0xa6e184]
push ebx
push edi
mov dword [edi + 0x118], eax
call fcn.009e2240
add esp, 0xc
jmp case.default.0x9dfd16
cmp byte [edi + 0x6c7], 0
je 0x9dfdd9
push str.HTTP_error_before_end_of_send__keep_sending
push edi
call fcn.009d6200
add esp, 8
cmp dword [ebx + 0x70], 0
jle case.default.0x9dfd16
or dword [ebx + 0x5c], 2
mov dword [ebx + 0x70], 0
jmp case.default.0x9dfd16
push str.HTTP_error_before_end_of_send__stop_sending
push edi
call fcn.009d6200
push 2
push esi
call fcn.009d7170
push ebx
push edi
call fcn.009e2240
add esp, 0x18
test eax, eax
jne 0x9df69f
mov byte [ebx + 0xbc], 1
cmp byte [edi + 0xd77], al
je case.default.0x9dfd16
mov dword [ebx + 0x70], 3
cmp byte [edi + 0xd83], 0
je 0x9dfe38
cmp dword [esi + 0x204], 0xffffffff
je 0x9dfe38
push str.Keep_sending_data_to_get_tossed_away
push edi
call fcn.009d6200
add esp, 8
or dword [ebx + 0x5c], 2
cmp byte [ebx + 0xba], 0
je 0x9dfffc
lea eax, [edi + 0x8b0]
push eax
call fcn.009cc7d0
mov esi, dword [ebx + 0x4c]
add esp, 4
cmp byte [esi], 0
je 0x9df69d
mov eax, dword [ebp + 0x10]
mov ecx, esi
mov dword [ebp + 8], ecx
mov eax, dword [eax]
push eax
push 0xa
push ecx
mov dword [ebp - 8], eax
mov dword [ebp - 0xc], eax
call fcn.00a177b0
mov ecx, eax
add esp, 0xc
test ecx, ecx
jne 0x9df614
push dword [ebp - 0xc]
lea esi, [edi + 0x8b0]
push dword [ebp + 8]
push esi
call fcn.009cc740
add esp, 0xc
test eax, eax
jne 0x9df69f
cmp dword [ebx + 0x48], eax
jne 0x9df69d
push esi
call fcn.009cc7b0
add esp, 4
push eax
push esi
call fcn.009cc7c0
mov esi, dword [ebp + 0xc]
add esp, 4
push eax
push esi
push edi
call fcn.009e08d0
add esp, 0x10
cmp eax, 2
jne 0x9df69d
push eax
push esi
mov byte [ebx + 0xba], 0
mov dword [ebx + 0x44], eax
call fcn.009d7170
add esp, 8
cmp byte [edi + 0x6e9], 0
jne 0x9df69d
push str.Received_HTTP_0.9_when_not_allowed
push edi
call fcn.009d6140
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 0x10]
mov dword [ebx + 0x44], 2
mov dword [eax], ecx
mov eax, dword [ebp - 0x14]
pop edi
mov dword [ebx + 0x4c], eax
xor eax, eax
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push str.Unsupported_HTTP_version_in_response
push edi
call fcn.009d6140
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, 0x66666667
imul edx
sar edx, 2
mov ecx, edx
shr ecx, 0x1f
add ecx, edx
mov edx, dword [ebp - 0xc]
lea eax, [ecx + ecx*4]
add eax, eax
sub edx, eax
push edx
push ecx
push str.Unsupported_HTTP_version___u._d__in_response
push edi
call fcn.009d6140
add esp, 0x10
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push str.Unsupported_response_code_in_HTTP_response
push edi
call fcn.009d6140
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push str.Unsupported_HTTP_1_subversion_in_response
push edi
call fcn.009d6140
add esp, 8
mov eax, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
pop edi
pop esi
mov eax, 8
pop ebx
mov esp, ebp
pop ebp
ret
pop edi
pop esi
mov byte [ebx + 0xba], 0
xor eax, eax
pop ebx
mov esp, ebp
pop ebp
ret
push str.Received_101__Switching_to_HTTP_2
push edi
call fcn.009d6200
add esp, 8
mov dword [ebx + 0x74], 3
mov byte [ebx + 0xba], 1
mov eax, 1
mov dword [ebx + 0x48], 0
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
cmp byte [edi + 0x14c], 0
mov ecx, dword [ebp + 0x14]
jne 0x9e002d
mov eax, dword [esi + 0x1e8]
test dword [eax + 0x44], 0x40000
je 0x9e0030
cmp dword [edi + 0x65c], 2
jne 0x9e0030
cmp dword [ebx + 4], 0xffffffff
jg 0x9e0030
jl 0x9e002d
cmp dword [ebx], 0xffffffff
ja 0x9e0030
mov byte [ecx], 1
cmp dword [ebx + 8], 0
jne 0x9e0041
cmp dword [ebx + 0xc], 0
jne 0x9e0041
mov byte [ecx], 1
jmp 0x9e0046
cmp byte [ecx], 0
je 0x9e004a
and dword [ebx + 0x5c], 0xfffffffe
push dword [ebp - 0xc]
push dword [ebp + 8]
push 1
push edi
call fcn.009d60a0
add esp, 0x10
xor eax, eax
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push esi
push str.The_requested_URL_returned_error:__d
push edi
call fcn.009d6140
add esp, 0xc
mov eax, 0x16
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret