Function at 0x140175f50
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 r8, r12
mov edx, 0xa
mov rcx, rsi
mov ebp, 5
call fcn.14020b710
mov rdi, rax
mov rdx, rsi
mov rcx, r14
test rax, rax
je 0x14017679a
sub rdi, rsi
inc rdi
mov r8, rdi
call fcn.14013a170
test eax, eax
jne 0x1401766aa
add qword [r15], rdi
add rsi, rdi
sub r12, rdi
mov qword [rsp + 0x68], rsi
cmp dword [rbx + 0x12c], eax
jne 0x140176046
mov rcx, r14
call fcn.14013a1d0
mov rcx, r14
mov rsi, rax
call fcn.14013a1e0
mov rcx, qword [r13 + 0x360]
mov rdx, rax
test dword [rcx + 0x84], 0x40000
je 0x14017602b
xor edi, edi
lea rcx, str.RTSP_
cmp rsi, rbp
cmova rsi, rbp
setae dil
mov r8, rsi
call fcn.1401389d0
test eax, eax
mov ecx, 2
cmovne ecx, edi
jmp 0x140176038
mov r8, rsi
mov rcx, rbx
call fcn.140175500
mov ecx, eax
cmp ecx, 2
je 0x1401766bf
mov rsi, qword [rsp + 0x68]
lea rcx, [rbx + 0xca0]
call fcn.14013a1e0
mov rcx, r14
mov r15, rax
call fcn.14013a1d0
movzx ecx, byte [r15]
mov rbp, rax
cmp cl, 0xa
je 0x140176589
cmp cl, 0xd
je 0x140176589
mov edx, dword [rbx + 0x12c]
mov edi, 4
mov rsi, r14
lea ecx, [rdx + 1]
mov dword [rbx + 0x12c], ecx
test edx, edx
jne 0x14017644d
xor esi, esi
mov dword [rbx + 0x138], esi
mov rax, qword [r13 + 0x360]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x140176243
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x1401760d4
nop
cmp al, 0x20
je 0x1401760c9
cmp byte [rdi], 9
jne 0x1401760d4
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x1401760c0
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rdi
call fcn.14020c470
test eax, eax
jne 0x14017617a
movsx edx, byte [rdi + 5]
mov ecx, edx
sub ecx, 0x31
je 0x1401761aa
sub ecx, 1
je 0x14017610e
cmp ecx, 1
jne 0x1401766f3
movzx eax, byte [rdi + 6]
cmp al, 0x20
je 0x14017611a
cmp al, 9
jne 0x14017617a
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 0x14017617a
movsx edx, byte [rdi + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14017617a
movsx r8d, byte [rdi + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14017617a
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 0x140176327
sub al, 9
cmp al, 4
jbe 0x140176327
mov r8, rbp
mov rdx, r15
mov rcx, rbx
call fcn.140175500
cmp eax, 1
jne 0x14017673f
mov dword [rbx + 0x13c], 0xc8
mov dword [rbx + 0x138], 0xa
jmp 0x140176327
cmp byte [rdi + 6], 0x2e
jne 0x14017622a
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 1
ja 0x14017622a
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x1401761c7
cmp al, 9
jne 0x14017622a
lea eax, [rcx - 0x26]
mov dword [rbx + 0x138], eax
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14017622a
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14017622a
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14017622a
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 0x140176327
cmp al, 9
je 0x140176327
sub al, 0xa
cmp al, 3
jbe 0x140176327
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rbx
call fcn.14013a4e0
mov eax, 1
jmp 0x1401766aa
bt ecx, 0x12
jae 0x14017673f
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x14017626c
cmp al, 0x20
je 0x140176261
cmp byte [rdi], 9
jne 0x14017626c
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x140176258
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rdi
call fcn.14020c470
test eax, eax
jne 0x14017673f
movzx eax, byte [rdi + 5]
sub al, 0x30
cmp al, 9
ja 0x140176810
cmp byte [rdi + 6], 0x2e
jne 0x140176810
movzx eax, byte [rdi + 7]
sub al, 0x30
cmp al, 9
ja 0x140176810
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x1401762bf
cmp al, 9
jne 0x140176810
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140176810
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140176810
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140176810
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 0x14017631d
cmp al, 9
je 0x14017631d
sub al, 0xa
cmp al, 3
ja 0x140176810
mov dword [rbx + 0x138], select
mov r9d, dword [rbx + 0x138]
mov ecx, r9d
sub ecx, 0xa
je 0x14017633f
cmp ecx, 1
jne 0x140176709
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 0x14017637f
cmp eax, dword [rbx + 0x138]
jle 0x14017638c
movzx eax, byte [rbx + 0x138]
mov byte [rbx + 0x12f1], al
cmp qword [rbx + 0x10f8], rsi
je 0x1401763b1
cmp byte [rbx + 0x12f2], sil
jne 0x1401763b1
cmp dword [rbx + 0x13c], 0x1a0
jne 0x1401763b1
mov byte [rbx + 0x1da], 1
mov eax, dword [rbx + 0x138]
cmp eax, 0xa
jne 0x1401763da
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rbx
call fcn.14013a5d0
mov edx, 1
mov rcx, r13
call fcn.140150bf0
jmp 0x1401763fe
cmp eax, 0x14
je 0x1401763f1
cmp dword [rbx + 0x144], 2
jne 0x1401763fe
cmp dword [rbx + 0x13c], 0x65
jne 0x1401763fe
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 0x140176430
cmp ecx, 0x64
jne 0x140176445
cmp byte [rbx + 0x530], sil
je 0x140176430
mov byte [rbx + 0x13ec], 1
mov qword [rbx + 0xf0], rsi
mov qword [rbx + 0xf8], rsi
mov byte [rbx + 0x1db], 1
mov edi, recv
mov rsi, r14
lea rcx, [rbx + 0xca0]
call fcn.14013a1e0
mov rcx, rsi
mov r14, rax
call fcn.14013a1d0
mov r8, rax
xor edx, edx
mov rcx, r14
mov rsi, rax
call fcn.14020b710
test rax, rax
jne 0x140176766
mov edx, dword [rbx + 0x12c]
cmp edx, 2
jl 0x1401764b4
movzx ecx, byte [r14]
cmp cl, 0x20
je 0x140176496
cmp cl, 9
jne 0x14017649b
cmp edx, 2
jg 0x1401764b4
mov r8, rsi
mov edx, 0x3a
mov rcx, r14
call fcn.14020b710
test rax, rax
je 0x14017674b
mov r9, rbp
mov r8, r15
mov rdx, r13
mov rcx, rbx
call fcn.1401739c0
test eax, eax
jne 0x1401766aa
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.14013a3f0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x64
jae 0x1401764f1
or edi, 0x20
mov r9, rbp
mov r8, r15
mov edx, edi
mov rcx, rbx
call fcn.140137ab0
test eax, eax
jne 0x1401766aa
mov edx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x140176551
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 0x14017654c
cmp ecx, 0x5dc000
jbe 0x14017655e
mov r9d, 0x5dc000
mov eax, ecx
mov r8d, eax
jmp 0x140176555
lea r8, [rdx + rbp]
test r8, r8
jne 0x140176781
lea rcx, [rbx + 0xca0]
call fcn.14013a1f0
test r12, r12
je 0x14017668b
mov rsi, qword [rsp + 0x68]
lea r14, [rbx + 0xca0]
mov r15, qword [rsp + 0x78]
jmp 0x140175f87
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.14013a3f0
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.140137ab0
test eax, eax
jne 0x1401766aa
mov ecx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x140176618
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 0x140176613
cmp r8d, 0x5dc000
jbe 0x140176625
mov r9d, 0x5dc000
mov edx, r8d
mov r8d, edx
jmp 0x14017661c
lea r8, [rcx + rbp]
test r8, r8
jne 0x140176781
lea rcx, [rbx + 0xca0]
call fcn.14013a1f0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x63
ja 0x140176647
mov eax, dword [rbx + 0x120]
jmp 0x140176649
xor eax, eax
lea r9, [rsp + 0x60]
mov dword [rbx + 0x128], eax
mov r8, r12
mov rdx, rsi
mov rcx, rbx
call fcn.140175640
test eax, eax
jne 0x1401766aa
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 0x14017668b
test r12, r12
jne 0x140175f87
xor bpl, bpl
cmp byte [rbx + 0x1d1], 0
jne 0x1401766a8
test bpl, bpl
jne 0x1401766a8
lea rcx, [rbx + 0xca0]
call fcn.14013a180
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.140150bf0
cmp byte [r13 + 0x778], 0xa
jae 0x140176801
cmp byte [rbx + 0xac9], 0
je 0x140176827
mov byte [rbx + 0x1d1], 0
mov bpl, 1
jmp 0x14017668e
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rbx
call fcn.14013a4e0
mov eax, 1
jmp 0x1401766aa
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.14013a4e0
mov eax, 1
jmp 0x1401766aa
mov byte [rbx + 0x1d1], sil
jmp 0x14017668b
lea rdx, str.Header_without_colon
mov rcx, rbx
mov edi, 8
call fcn.14013a4e0
mov eax, edi
jmp 0x1401766aa
lea rdx, str.Nul_byte_in_header
mov rcx, rbx
mov edi, 8
call fcn.14013a4e0
mov eax, edi
jmp 0x1401766aa
lea rdx, str.Too_large_response_headers:__zu____u
mov rcx, rbx
call fcn.14013a4e0
mov eax, gethostname
jmp 0x1401766aa
mov r8, r12
call fcn.14013a170
test eax, eax
jne 0x1401766aa
add qword [r15], r12
cmp dword [rbx + 0x12c], eax
jne 0x14017668b
mov rcx, r14
call fcn.14013a1d0
mov rcx, r14
mov rdi, rax
call fcn.14013a1e0
mov r8, rax
mov r9, rdi
mov rdx, r13
mov rcx, rbx
call fcn.1401755d0
cmp eax, 2
jne 0x14017668b
mov edx, eax
mov byte [rbx + 0x1d1], 0
mov rcx, r13
call fcn.140150bf0
cmp byte [r13 + 0x778], 0xa
jb 0x14017681a
lea rdx, str.Invalid_status_line
mov rcx, rbx
call fcn.14013a4e0
mov eax, 8
jmp 0x1401766aa
cmp byte [rbx + 0xac9], 0
jne 0x1401766ee
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rbx
call fcn.14013a4e0
mov eax, 1
jmp 0x1401766aa