Function at 0x14003c990
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.1400d0f40
mov rdi, rax
mov rdx, rsi
mov rcx, r14
test rax, rax
je 0x14003d1d6
sub rdi, rsi
inc rdi
mov r8, rdi
call fcn.14001e2b0
test eax, eax
jne 0x14003d0e6
add qword [r15], rdi
add rsi, rdi
sub r12, rdi
mov qword [rsp + 0x68], rsi
cmp dword [rbx + 0x12c], eax
jne 0x14003ca84
mov rcx, r14
call fcn.14001e310
mov rcx, r14
mov rsi, rax
call fcn.14001e320
mov rcx, qword [r13 + 0x360]
mov rdx, rax
test dword [rcx + 0x84], 0x40000
je 0x14003ca69
xor edi, edi
lea rcx, str.RTSP_
cmp rsi, rbp
cmova rsi, rbp
setae dil
mov r8, rsi
call fcn.140033ce0
test eax, eax
mov ecx, 2
cmovne ecx, edi
jmp 0x14003ca76
mov r8, rsi
mov rcx, rbx
call fcn.14003bf40
mov ecx, eax
cmp ecx, 2
je 0x14003d0fb
mov rsi, qword [rsp + 0x68]
lea rcx, [rbx + 0xca0]
call fcn.14001e320
mov rcx, r14
mov r15, rax
call fcn.14001e310
movzx ecx, byte [r15]
mov rbp, rax
cmp cl, 0xa
je 0x14003cfc5
cmp cl, 0xd
je 0x14003cfc5
mov edx, dword [rbx + 0x12c]
mov edi, 4
mov rsi, r14
lea ecx, [rdx + 1]
mov dword [rbx + 0x12c], ecx
test edx, edx
jne 0x14003ce8b
xor esi, esi
mov dword [rbx + 0x138], esi
mov rax, qword [r13 + 0x360]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x14003cc82
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x14003cb13
nop dword [rax]
cmp al, 0x20
je 0x14003cb08
cmp al, 9
jne 0x14003cb13
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x14003cb00
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rdi
call fcn.1400b06a0
test eax, eax
jne 0x14003cbb9
movsx edx, byte [rdi + 5]
mov ecx, edx
sub ecx, 0x31
je 0x14003cbe9
sub ecx, 1
je 0x14003cb4d
cmp ecx, 1
jne 0x14003d12f
movzx eax, byte [rdi + 6]
cmp al, 0x20
je 0x14003cb59
cmp al, 9
jne 0x14003cbb9
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 0x14003cbb9
movsx edx, byte [rdi + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14003cbb9
movsx r8d, byte [rdi + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14003cbb9
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 0x14003cd65
sub al, 9
cmp al, 4
jbe 0x14003cd65
mov r8, rbp
mov rdx, r15
mov rcx, rbx
call fcn.14003bf40
cmp eax, 1
jne 0x14003d17b
mov dword [rbx + 0x13c], 0xc8
mov dword [rbx + 0x138], 0xa
jmp 0x14003cd65
cmp byte [rdi + 6], 0x2e
jne 0x14003cc69
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 1
ja 0x14003cc69
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x14003cc06
cmp al, 9
jne 0x14003cc69
lea eax, [rcx - 0x26]
mov dword [rbx + 0x138], eax
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14003cc69
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14003cc69
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14003cc69
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 0x14003cd65
cmp al, 9
je 0x14003cd65
sub al, 0xa
cmp al, 3
jbe 0x14003cd65
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rbx
call fcn.14002be10
mov eax, 1
jmp 0x14003d0e6
bt ecx, 0x12
jae 0x14003d17b
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x14003ccaa
cmp al, 0x20
je 0x14003cc9f
cmp al, 9
jne 0x14003ccaa
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x14003cc97
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rdi
call fcn.1400b06a0
test eax, eax
jne 0x14003d17b
movzx eax, byte [rdi + 5]
sub al, 0x30
cmp al, 9
ja 0x14003d276
cmp byte [rdi + 6], 0x2e
jne 0x14003d276
movzx eax, byte [rdi + 7]
sub al, 0x30
cmp al, 9
ja 0x14003d276
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x14003ccfd
cmp al, 9
jne 0x14003d276
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14003d276
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14003d276
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14003d276
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 0x14003cd5b
cmp al, 9
je 0x14003cd5b
sub al, 0xa
cmp al, 3
ja 0x14003d276
mov dword [rbx + 0x138], sendto
mov r9d, dword [rbx + 0x138]
mov ecx, r9d
sub ecx, 0xa
je 0x14003cd7d
cmp ecx, 1
jne 0x14003d145
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 0x14003cdbd
cmp eax, dword [rbx + 0x138]
jle 0x14003cdca
movzx eax, byte [rbx + 0x138]
mov byte [rbx + 0x12f1], al
cmp qword [rbx + 0x10f8], rsi
je 0x14003cdef
cmp byte [rbx + 0x12f2], sil
jne 0x14003cdef
cmp dword [rbx + 0x13c], 0x1a0
jne 0x14003cdef
mov byte [rbx + 0x1da], 1
mov eax, dword [rbx + 0x138]
cmp eax, 0xa
jne 0x14003ce18
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rbx
call fcn.14002bf00
mov edx, 1
mov rcx, r13
call fcn.14002eb40
jmp 0x14003ce3c
cmp eax, 0x14
je 0x14003ce2f
cmp dword [rbx + 0x144], 2
jne 0x14003ce3c
cmp dword [rbx + 0x13c], 0x65
jne 0x14003ce3c
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 0x14003ce6e
cmp ecx, 0x64
jne 0x14003ce83
cmp byte [rbx + 0x530], sil
je 0x14003ce6e
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.14001e320
mov rcx, rsi
mov r14, rax
call fcn.14001e310
mov r8, rax
xor edx, edx
mov rcx, r14
mov rsi, rax
call fcn.1400d0f40
test rax, rax
jne 0x14003d1a2
mov edx, dword [rbx + 0x12c]
cmp edx, 2
jl 0x14003cef2
movzx ecx, byte [r14]
cmp cl, 0x20
je 0x14003ced4
cmp cl, 9
jne 0x14003ced9
cmp edx, 2
jg 0x14003cef2
mov r8, rsi
mov edx, 0x3a
mov rcx, r14
call fcn.1400d0f40
test rax, rax
je 0x14003d187
mov r9, rbp
mov r8, r15
mov rdx, r13
mov rcx, rbx
call fcn.14003a3d0
test eax, eax
jne 0x14003d0e6
mov r9, rbp
lea edx, [rax + 1]
mov r8, r15
mov rcx, rbx
call fcn.14002bd30
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x64
jae 0x14003cf2d
or edi, 0x20
mov r9, rbp
mov r8, r15
mov edx, edi
mov rcx, rbx
call fcn.14002cf10
test eax, eax
jne 0x14003d0e6
mov edx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x14003cf8d
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 0x14003cf88
cmp ecx, 0x5dc000
jbe 0x14003cf9a
mov r9d, 0x5dc000
mov eax, ecx
mov r8d, eax
jmp 0x14003cf91
lea r8, [rdx + rbp]
test r8, r8
jne 0x14003d1bd
lea rcx, [rbx + 0xca0]
call fcn.14001e330
test r12, r12
je 0x14003d0c7
mov rsi, qword [rsp + 0x68]
lea r14, [rbx + 0xca0]
mov r15, qword [rsp + 0x78]
jmp 0x14003c9c7
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.14002bd30
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.14002cf10
test eax, eax
jne 0x14003d0e6
mov ecx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x14003d054
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 0x14003d04f
cmp r8d, 0x5dc000
jbe 0x14003d061
mov r9d, 0x5dc000
mov edx, r8d
mov r8d, edx
jmp 0x14003d058
lea r8, [rcx + rbp]
test r8, r8
jne 0x14003d1bd
lea rcx, [rbx + 0xca0]
call fcn.14001e330
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x63
ja 0x14003d083
mov eax, dword [rbx + 0x120]
jmp 0x14003d085
xor eax, eax
lea r9, [rsp + 0x60]
mov dword [rbx + 0x128], eax
mov r8, r12
mov rdx, rsi
mov rcx, rbx
call fcn.14003c080
test eax, eax
jne 0x14003d0e6
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 0x14003d0c7
test r12, r12
jne 0x14003c9c7
xor bpl, bpl
cmp byte [rbx + 0x1d1], 0
jne 0x14003d0e4
test bpl, bpl
jne 0x14003d0e4
lea rcx, [rbx + 0xca0]
call fcn.14001e2c0
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.14002eb40
cmp byte [r13 + 0x778], 0xa
jae 0x14003d267
cmp byte [rbx + 0xac9], 0
je 0x14003d24e
mov byte [rbx + 0x1d1], 0
mov bpl, 1
jmp 0x14003d0ca
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rbx
call fcn.14002be10
mov eax, 1
jmp 0x14003d0e6
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.14002be10
mov eax, 1
jmp 0x14003d0e6
mov byte [rbx + 0x1d1], sil
jmp 0x14003d0c7
lea rdx, str.Header_without_colon
mov rcx, rbx
mov edi, 8
call fcn.14002be10
mov eax, edi
jmp 0x14003d0e6
lea rdx, str.Nul_byte_in_header
mov rcx, rbx
mov edi, 8
call fcn.14002be10
mov eax, edi
jmp 0x14003d0e6
lea rdx, str.Too_large_response_headers:__zu____u
mov rcx, rbx
call fcn.14002be10
mov eax, gethostname
jmp 0x14003d0e6
mov r8, r12
call fcn.14001e2b0
test eax, eax
jne 0x14003d0e6
add qword [r15], r12
cmp dword [rbx + 0x12c], eax
jne 0x14003d0c7
mov rcx, r14
call fcn.14001e310
mov rcx, r14
mov rdi, rax
call fcn.14001e320
mov r8, rax
mov r9, rdi
mov rdx, r13
mov rcx, rbx
call fcn.14003c010
cmp eax, 2
jne 0x14003d0c7
mov edx, eax
mov byte [rbx + 0x1d1], 0
mov rcx, r13
call fcn.14002eb40
cmp byte [r13 + 0x778], 0xa
jae 0x14003d267
cmp byte [rbx + 0xac9], 0
je 0x14003d24e
mov bpl, 1
jmp 0x14003d0ca
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rbx
call fcn.14002be10
mov eax, 1
jmp 0x14003d0e6
lea rdx, str.Invalid_status_line
mov rcx, rbx
call fcn.14002be10
mov eax, 8
jmp 0x14003d0e6