Function at 0x140126450
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
mov qword [rsp + 0x18], rbx
mov qword [rsp + 0x20], r9
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
sub rsp, 0x20
mov r13, qword [rcx + 0x20]
lea r14, [rcx + 0xca0]
mov qword [r9], 0
mov r15, r9
mov r12, r8
mov rsi, rdx
mov rbx, rcx
mov ebp, 5
mov r8, r12
mov rcx, rsi
lea edx, [rbp + 5]
call fcn.1401a3850
mov rdi, rax
mov rdx, rsi
mov rcx, r14
test rax, rax
je 0x140126c96
sub rdi, rsi
inc rdi
mov r8, rdi
call fcn.140107fa0
test eax, eax
jne 0x140126ba6
add qword [r15], rdi
add rsi, rdi
sub r12, rdi
mov qword [rsp + 0x68], rsi
cmp dword [rbx + 0x12c], eax
jne 0x140126544
mov rcx, r14
call fcn.14007a310
mov rcx, r14
mov rsi, rax
call fcn.140006fa0
mov rcx, qword [r13 + 0x360]
mov rdx, rax
test dword [rcx + 0x84], 0x40000
je 0x140126529
xor edi, edi
lea rcx, str.RTSP_
cmp rsi, rbp
cmova rsi, rbp
setae dil
mov r8, rsi
call fcn.14011c140
test eax, eax
mov ecx, 2
cmovne ecx, edi
jmp 0x140126536
mov r8, rsi
mov rcx, rbx
call fcn.140125a00
mov ecx, eax
cmp ecx, 2
je 0x140126bbb
mov rsi, qword [rsp + 0x68]
lea rcx, [rbx + 0xca0]
call fcn.140006fa0
mov rcx, r14
mov r15, rax
call fcn.14007a310
movzx ecx, byte [r15]
mov rbp, rax
cmp cl, 0xa
je 0x140126a85
cmp cl, 0xd
je 0x140126a85
mov edx, dword [rbx + 0x12c]
mov edi, 4
mov rsi, r14
lea ecx, [rdx + 1]
mov dword [rbx + 0x12c], ecx
test edx, edx
jne 0x14012694b
xor esi, esi
mov dword [rbx + 0x138], esi
mov rax, qword [r13 + 0x360]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x140126742
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x1401265d3
nop dword [rax]
cmp al, 0x20
je 0x1401265c8
cmp al, 9
jne 0x1401265d3
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x1401265c0
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rdi
call fcn.1401a39d0
test eax, eax
jne 0x140126679
movsx edx, byte [rdi + 5]
mov ecx, edx
sub ecx, 0x31
je 0x1401266a9
sub ecx, 1
je 0x14012660d
cmp ecx, 1
jne 0x140126bef
movzx eax, byte [rdi + 6]
cmp al, 0x20
je 0x140126619
cmp al, 9
jne 0x140126679
lea eax, [rdx - 0x30]
lea ecx, [rax + rax*4]
add ecx, ecx
mov dword [rbx + 0x138], ecx
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140126679
movsx edx, byte [rdi + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140126679
movsx r8d, byte [rdi + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140126679
lea ecx, [rcx + rcx*4]
lea ecx, [rdx + rcx*2]
lea ecx, [rcx + rcx*4]
lea ecx, [rcx - 0xa68]
lea ecx, [r8 + rcx*2]
mov dword [rbx + 0x13c], ecx
movzx eax, byte [rdi + 0xa]
cmp al, 0x20
je 0x140126825
sub al, 9
cmp al, 4
jbe 0x140126825
mov r8, rbp
mov rdx, r15
mov rcx, rbx
call fcn.140125a00
cmp eax, 1
jne 0x140126c3b
mov dword [rbx + 0x13c], 0xc8
mov dword [rbx + 0x138], 0xa
jmp 0x140126825
cmp byte [rdi + 6], 0x2e
jne 0x140126729
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 1
ja 0x140126729
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x1401266c6
cmp al, 9
jne 0x140126729
lea eax, [rcx - 0x26]
mov dword [rbx + 0x138], eax
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140126729
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140126729
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140126729
lea ecx, [rcx + rcx*4]
lea ecx, [rdx + rcx*2]
lea ecx, [rcx + rcx*4]
lea ecx, [rcx - 0xa68]
lea ecx, [r8 + rcx*2]
mov dword [rbx + 0x13c], ecx
movzx eax, byte [rdi + 0xc]
cmp al, 0x20
je 0x140126825
cmp al, 9
je 0x140126825
sub al, 0xa
cmp al, 3
jbe 0x140126825
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rbx
call fcn.140115ab0
mov eax, 1
jmp 0x140126ba6
bt ecx, 0x12
jae 0x140126c3b
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x14012676a
cmp al, 0x20
je 0x14012675f
cmp al, 9
jne 0x14012676a
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x140126757
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rdi
call fcn.1401a39d0
test eax, eax
jne 0x140126c3b
movzx eax, byte [rdi + 5]
sub al, 0x30
cmp al, 9
ja 0x140126d36
cmp byte [rdi + 6], 0x2e
jne 0x140126d36
movzx eax, byte [rdi + 7]
sub al, 0x30
cmp al, 9
ja 0x140126d36
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x1401267bd
cmp al, 9
jne 0x140126d36
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140126d36
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140126d36
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140126d36
lea ecx, [rcx + rcx*4]
lea ecx, [rdx + rcx*2]
lea ecx, [rcx + rcx*4]
lea ecx, [rcx - 0xa68]
lea ecx, [r8 + rcx*2]
mov dword [rbx + 0x13c], ecx
movzx eax, byte [rdi + 0xc]
cmp al, 0x20
je 0x14012681b
cmp al, 9
je 0x14012681b
sub al, 0xa
cmp al, 3
ja 0x140126d36
mov dword [rbx + 0x138], send
mov r9d, dword [rbx + 0x138]
mov ecx, r9d
sub ecx, 0xa
je 0x14012683d
cmp ecx, 1
jne 0x140126c05
mov byte [r13 + 0x778], r9b
mov eax, dword [rbx + 0x13c]
mov dword [rbx + 0x1310], eax
mov eax, dword [rbx + 0x138]
mov dword [rbx + 0x1318], eax
movzx eax, byte [rbx + 0x138]
mov byte [r13 + 0x778], al
movzx eax, byte [rbx + 0x12f1]
test al, al
je 0x14012687d
cmp eax, dword [rbx + 0x138]
jle 0x14012688a
movzx eax, byte [rbx + 0x138]
mov byte [rbx + 0x12f1], al
cmp qword [rbx + 0x10f8], rsi
je 0x1401268af
cmp byte [rbx + 0x12f2], sil
jne 0x1401268af
cmp dword [rbx + 0x13c], 0x1a0
jne 0x1401268af
mov byte [rbx + 0x1da], 1
mov eax, dword [rbx + 0x138]
cmp eax, 0xa
jne 0x1401268d8
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rbx
call fcn.140115ba0
mov edx, 1
mov rcx, r13
call fcn.1401187e0
jmp 0x1401268fc
cmp eax, 0x14
je 0x1401268ef
cmp dword [rbx + 0x144], 2
jne 0x1401268fc
cmp dword [rbx + 0x13c], 0x65
jne 0x1401268fc
mov rax, qword [r13 + 0x740]
mov dword [rax], 2
mov ecx, dword [rbx + 0x13c]
lea eax, [rcx - 0x64]
cmp eax, 0x63
setbe al
mov byte [rbx + 0x1db], al
sub ecx, 0xcc
je 0x14012692e
cmp ecx, 0x64
jne 0x140126943
cmp byte [rbx + 0x530], sil
je 0x14012692e
mov byte [rbx + 0x13ec], 1
mov qword [rbx + 0xf0], rsi
mov qword [rbx + 0xf8], rsi
mov byte [rbx + 0x1db], 1
mov edi, listen
mov rsi, r14
lea rcx, [rbx + 0xca0]
call fcn.140006fa0
mov rcx, rsi
mov r14, rax
call fcn.14007a310
mov r8, rax
xor edx, edx
mov rcx, r14
mov rsi, rax
call fcn.1401a3850
test rax, rax
jne 0x140126c62
mov edx, dword [rbx + 0x12c]
cmp edx, 2
jl 0x1401269b2
movzx ecx, byte [r14]
cmp cl, 0x20
je 0x140126994
cmp cl, 9
jne 0x140126999
cmp edx, 2
jg 0x1401269b2
mov r8, rsi
mov edx, 0x3a
mov rcx, r14
call fcn.1401a3850
test rax, rax
je 0x140126c47
mov r9, rbp
mov r8, r15
mov rdx, r13
mov rcx, rbx
call fcn.140123e90
test eax, eax
jne 0x140126ba6
mov r9, rbp
lea edx, [rax + 1]
mov r8, r15
mov rcx, rbx
call fcn.1401159d0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x64
jae 0x1401269ed
or edi, 0x20
mov r9, rbp
mov r8, r15
mov edx, edi
mov rcx, rbx
call fcn.140116bb0
test eax, eax
jne 0x140126ba6
mov edx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x140126a4d
mov ecx, dword [rbx + 0x1358]
lea eax, [rdx + rbp]
add dword [rbx + 0x120], ebp
add ecx, ebp
mov dword [rbx + 0x1358], ecx
mov dword [rbx + 0x124], eax
cmp eax, r9d
ja 0x140126a48
cmp ecx, 0x5dc000
jbe 0x140126a5a
mov r9d, 0x5dc000
mov eax, ecx
mov r8d, eax
jmp 0x140126a51
lea r8, [rdx + rbp]
test r8, r8
jne 0x140126c7d
lea rcx, [rbx + 0xca0]
call fcn.140108000
test r12, r12
je 0x140126b87
mov rsi, qword [rsp + 0x68]
lea r14, [rbx + 0xca0]
mov r15, qword [rsp + 0x78]
jmp 0x140126487
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.1401159d0
mov eax, dword [rbx + 0x13c]
mov edx, 4
sub eax, 0x64
mov r9, rbp
cmp eax, 0x64
mov r8, r15
mov eax, 0x24
mov rcx, rbx
cmovb edx, eax
call fcn.140116bb0
test eax, eax
jne 0x140126ba6
mov ecx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x140126b14
mov r8d, dword [rbx + 0x1358]
lea edx, [rcx + rbp]
add dword [rbx + 0x120], ebp
add r8d, ebp
mov dword [rbx + 0x1358], r8d
mov dword [rbx + 0x124], edx
cmp edx, r9d
ja 0x140126b0f
cmp r8d, 0x5dc000
jbe 0x140126b21
mov r9d, 0x5dc000
mov edx, r8d
mov r8d, edx
jmp 0x140126b18
lea r8, [rcx + rbp]
test r8, r8
jne 0x140126c7d
lea rcx, [rbx + 0xca0]
call fcn.140108000
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x63
ja 0x140126b43
mov eax, dword [rbx + 0x120]
jmp 0x140126b45
xor eax, eax
lea r9, [rsp + 0x60]
mov dword [rbx + 0x128], eax
mov r8, r12
mov rdx, rsi
mov rcx, rbx
call fcn.140125b40
test eax, eax
jne 0x140126ba6
mov rax, qword [rsp + 0x60]
mov r15, qword [rsp + 0x78]
sub r12, rax
add rsi, rax
add qword [r15], rax
cmp byte [rbx + 0x1d1], 0
je 0x140126b87
test r12, r12
jne 0x140126487
xor bpl, bpl
cmp byte [rbx + 0x1d1], 0
jne 0x140126ba4
test bpl, bpl
jne 0x140126ba4
lea rcx, [rbx + 0xca0]
call fcn.140107fb0
xor eax, eax
mov rbx, qword [rsp + 0x70]
add rsp, 0x20
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret
mov edx, 2
mov rcx, r13
call fcn.1401187e0
cmp byte [r13 + 0x778], 0xa
jae 0x140126d27
cmp byte [rbx + 0xac9], 0
je 0x140126d0e
mov byte [rbx + 0x1d1], 0
mov bpl, 1
jmp 0x140126b8a
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rbx
call fcn.140115ab0
mov eax, 1
jmp 0x140126ba6
mov eax, 0x66666667
imul r9d
sar edx, 2
mov ecx, edx
shr ecx, 0x1f
add edx, ecx
mov r8d, edx
lea ecx, [rdx + rdx*4]
add ecx, ecx
lea rdx, str.Unsupported_HTTP_version___u._d__in_response
sub r9d, ecx
mov rcx, rbx
call fcn.140115ab0
mov eax, 1
jmp 0x140126ba6
mov byte [rbx + 0x1d1], sil
jmp 0x140126b87
lea rdx, str.Header_without_colon
mov rcx, rbx
mov edi, 8
call fcn.140115ab0
mov eax, edi
jmp 0x140126ba6
lea rdx, str.Nul_byte_in_header
mov rcx, rbx
mov edi, 8
call fcn.140115ab0
mov eax, edi
jmp 0x140126ba6
lea rdx, str.Too_large_response_headers:__zu____u
mov rcx, rbx
call fcn.140115ab0
mov eax, gethostname
jmp 0x140126ba6
mov r8, r12
call fcn.140107fa0
test eax, eax
jne 0x140126ba6
add qword [r15], r12
cmp dword [rbx + 0x12c], eax
jne 0x140126b87
mov rcx, r14
call fcn.14007a310
mov rcx, r14
mov rdi, rax
call fcn.140006fa0
mov r8, rax
mov r9, rdi
mov rdx, r13
mov rcx, rbx
call fcn.140125ad0
cmp eax, 2
jne 0x140126b87
mov edx, eax
mov byte [rbx + 0x1d1], 0
mov rcx, r13
call fcn.1401187e0
cmp byte [r13 + 0x778], 0xa
jae 0x140126d27
cmp byte [rbx + 0xac9], 0
je 0x140126d0e
mov bpl, 1
jmp 0x140126b8a
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rbx
call fcn.140115ab0
mov eax, 1
jmp 0x140126ba6
lea rdx, str.Invalid_status_line
mov rcx, rbx
call fcn.140115ab0
mov eax, 8
jmp 0x140126ba6