Function at 0x140077e10
Capabilities:
Validate payment card number using luhn algorithm

Disassembly:
mov qword [rsp + 8], rbx
mov qword [rsp + 0x10], rbp
mov qword [rsp + 0x18], rsi
mov qword [rsp + 0x20], rdi
push r12
push r14
push r15
sub rsp, 0x50
mov r14, qword [rsp + 0x98]
xor r12d, r12d
mov r15, r9
mov rbp, r8
mov rsi, rdx
mov rdi, rcx
mov qword [r14], r12
movzx eax, byte [rdx]
cmp al, 0xa
je 0x140078384
cmp al, 0xd
je 0x140078384
lea r14, [rcx + 0x13c]
mov ebx, 4
mov ecx, dword [r14]
mov r15d, 1
lea eax, [rcx + 1]
mov dword [r14], eax
test ecx, ecx
jne 0x14007829f
mov dword [rdi + 0x148], r12d
mov rax, qword [rdi + 0x18]
mov rcx, qword [rax + 0x3e0]
mov eax, dword [rcx + 0x8c]
test al, 3
je 0x14007803d
movzx eax, byte [rdx]
mov rbx, rdx
test al, al
je 0x140077ebc
cmp al, 0x20
je 0x140077eb1
cmp byte [rbx], 9
jne 0x140077ebc
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x140077ea8
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rbx
call fcn.140006988
test eax, eax
jne 0x140077f75
movsx edx, byte [rbx + 5]
mov ecx, edx
sub ecx, 0x31
je 0x140077fa5
sub ecx, r15d
je 0x140077f09
cmp ecx, r15d
je 0x140077f09
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rdi
call fcn.1400087b5
mov eax, r15d
jmp 0x14007840d
movzx eax, byte [rbx + 6]
cmp al, 0x20
je 0x140077f15
cmp al, 9
jne 0x140077f75
lea eax, [rdx - 0x30]
lea ecx, [rax + rax*4]
add ecx, ecx
mov dword [rdi + 0x148], ecx
movsx ecx, byte [rbx + 7]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140077f75
movsx edx, byte [rbx + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140077f75
movsx r8d, byte [rbx + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140077f75
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 [rdi + 0x14c], ecx
movzx eax, byte [rbx + 0xa]
cmp al, 0x20
je 0x140078120
sub al, 9
cmp al, 4
jbe 0x140078120
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.140076650
cmp eax, r15d
jne 0x1400782ca
mov dword [rdi + 0x14c], 0xc8
mov dword [rdi + 0x148], 0xa
jmp 0x140078120
cmp byte [rbx + 6], 0x2e
jne 0x140078026
movsx ecx, byte [rbx + 7]
lea eax, [rcx - 0x30]
cmp al, r15b
ja 0x140078026
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x140077fc3
cmp al, 9
jne 0x140078026
lea eax, [rcx - 0x26]
mov dword [rdi + 0x148], eax
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140078026
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140078026
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140078026
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 [rdi + 0x14c], ecx
movzx eax, byte [rbx + 0xc]
cmp al, 0x20
je 0x140078120
cmp al, 9
je 0x140078120
sub al, 0xa
cmp al, 3
jbe 0x140078120
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rdi
call fcn.1400087b5
mov eax, r15d
jmp 0x14007840d
bt eax, 0x12
jae 0x1400782ca
movzx eax, byte [rdx]
mov rbx, rsi
test al, al
je 0x140078065
cmp al, 0x20
je 0x14007805a
cmp byte [rbx], 9
jne 0x140078065
movzx eax, byte [rbx + 1]
inc rbx
test al, al
jne 0x140078051
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rbx
call fcn.140006988
test eax, eax
jne 0x1400782ca
movzx eax, byte [rbx + 5]
sub al, 0x30
cmp al, 9
ja 0x1400782d1
cmp byte [rbx + 6], 0x2e
jne 0x1400782d1
movzx eax, byte [rbx + 7]
sub al, 0x30
cmp al, 9
ja 0x1400782d1
movzx eax, byte [rbx + 8]
cmp al, 0x20
je 0x1400780b8
cmp al, 9
jne 0x1400782d1
movsx ecx, byte [rbx + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x1400782d1
movsx edx, byte [rbx + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x1400782d1
movsx r8d, byte [rbx + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x1400782d1
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 [rdi + 0x14c], ecx
movzx eax, byte [rbx + 0xc]
cmp al, 0x20
je 0x140078116
cmp al, 9
je 0x140078116
sub al, 0xa
cmp al, 3
ja 0x1400782d1
mov dword [rdi + 0x148], sendto
mov r9d, dword [rdi + 0x148]
mov ecx, r9d
mov rbx, qword [rdi + 0x18]
sub ecx, 0xa
je 0x140078170
cmp ecx, r15d
je 0x140078170
mov eax, 0x66666667
mov rcx, rdi
imul r9d
mov r8d, edx
lea rdx, str.Unsupported_HTTP_version___u._d__in_response
sar r8d, 2
mov eax, r8d
shr eax, 0x1f
add r8d, eax
lea eax, [r8 + r8*4]
add eax, eax
sub r9d, eax
call fcn.1400087b5
mov eax, r15d
jmp 0x14007840d
movzx eax, byte [rbx + 0x7e0]
test al, al
je 0x1400781bf
mov ecx, eax
mov eax, 0xcccccccd
mul ecx
mov eax, 0x66666667
mov r8d, edx
imul r9d
shr r8d, 3
mov r9d, edx
sar r9d, 2
mov eax, r9d
shr eax, 0x1f
add r9d, eax
cmp r9d, r8d
je 0x1400781bf
lea rdx, str.Version_mismatch__from_HTTP__u_to_HTTP__u_
mov rcx, rdi
call fcn.1400087b5
mov eax, r15d
jmp 0x14007840d
mov eax, dword [rdi + 0x14c]
mov dword [rdi + 0x1338], eax
mov eax, dword [rdi + 0x148]
mov dword [rdi + 0x1340], eax
movzx eax, byte [rdi + 0x148]
mov byte [rbx + 0x7e0], al
movzx eax, byte [rdi + 0x1319]
test al, al
je 0x1400781f7
cmp eax, dword [rdi + 0x148]
jle 0x140078204
movzx eax, byte [rdi + 0x148]
mov byte [rdi + 0x1319], al
cmp qword [rdi + 0x1120], r12
je 0x140078229
cmp byte [rdi + 0x131a], r12b
jne 0x140078229
cmp dword [rdi + 0x14c], 0x1a0
jne 0x140078229
mov byte [rdi + 0x1e3], r15b
cmp dword [rdi + 0x148], 0xa
jne 0x14007824c
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rdi
call fcn.1400073dd
mov edx, r15d
mov rcx, rbx
call fcn.1400044e9
mov ecx, dword [rdi + 0x14c]
lea eax, [rcx - 0x64]
cmp eax, 0x63
setbe al
mov byte [rdi + 0x1e4], al
sub ecx, 0xcc
je 0x14007827e
cmp ecx, 0x64
jne 0x140078293
cmp byte [rdi + 0x538], r12b
je 0x14007827e
mov byte [rdi + 0x1414], r15b
mov qword [rdi + 0x100], r12
mov qword [rdi + 0x108], r12
mov byte [rdi + 0x1e4], r15b
mov ebx, listen
lea r14, [rdi + 0x13c]
mov r8, rbp
xor edx, edx
mov rcx, rsi
call fcn.1400058ee
test rax, rax
je 0x1400782db
lea rdx, str.Nul_byte_in_header
mov rcx, rdi
mov ebx, 8
call fcn.1400087b5
jmp 0x14007840b
mov byte [rdi + 0x1d9], r12b
mov eax, 8
jmp 0x14007840d
mov ecx, dword [r14]
cmp ecx, 2
jl 0x140078321
movzx eax, byte [rsi]
cmp al, 0x20
je 0x1400782ee
cmp al, 9
jne 0x1400782f3
cmp ecx, 2
jg 0x140078321
mov r8, rbp
mov edx, 0x3a
mov rcx, rsi
call fcn.1400058ee
test rax, rax
jne 0x140078321
lea rdx, str.Header_without_colon
mov rcx, rdi
mov ebx, 8
call fcn.1400087b5
jmp 0x14007840b
mov r8, rbp
mov rdx, rsi
mov rcx, rdi
call fcn.140007d9c
test eax, eax
jne 0x14007840d
mov r9, rbp
mov r8, rsi
mov edx, r15d
mov rcx, rdi
call fcn.1400070c7
mov eax, dword [rdi + 0x14c]
sub eax, 0x64
cmp eax, 0x64
jae 0x140078359
or ebx, 0x20
mov r9, rbp
mov r8, rsi
mov edx, ebx
mov rcx, rdi
call fcn.1400048fe
test eax, eax
jne 0x14007840d
xor r8d, r8d
mov rdx, rbp
mov rcx, rdi
call fcn.140007b1c
jmp 0x14007840d
lea rdx, [r8 + 1]
lea rcx, [rsp + 0x30]
call fcn.140001c4e
mov r8, rbp
lea rcx, [rsp + 0x30]
mov rdx, rsi
call fcn.140004025
test eax, eax
jne 0x14007840d
lea rcx, [rdi + 0xc58]
call fcn.1400027cf
lea rcx, [rsp + 0x30]
call fcn.14000367a
lea rcx, [rsp + 0x30]
mov rbx, rax
call fcn.140005178
mov rcx, qword [rsp + 0x90]
mov rdx, rax
lea rax, [rsp + 0x98]
mov r9, r15
mov qword [rsp + 0x28], rax
mov r8, rbx
mov qword [rsp + 0x20], rcx
mov rcx, rdi
call fcn.140076b60
mov rcx, qword [rsp + 0x98]
mov ebx, eax
add qword [r14], rcx
lea rcx, [rsp + 0x30]
call fcn.140006195
mov eax, ebx
lea r11, [rsp + 0x50]
mov rbx, qword [r11 + 0x20]
mov rbp, qword [r11 + 0x28]
mov rsi, qword [r11 + 0x30]
mov rdi, qword [r11 + 0x38]
mov rsp, r11
pop r15
pop r14
pop r12
ret