Function at 0x14003c880
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.1400ab230
mov rdi, rax
mov rdx, rsi
mov rcx, r14
test rax, rax
je 0x14003d0c6
sub rdi, rsi
inc rdi
mov r8, rdi
call fcn.14001e220
test eax, eax
jne 0x14003cfd6
add qword [r15], rdi
add rsi, rdi
sub r12, rdi
mov qword [rsp + 0x68], rsi
cmp dword [rbx + 0x12c], eax
jne 0x14003c974
mov rcx, r14
call fcn.14001e280
mov rcx, r14
mov rsi, rax
call fcn.14001e290
mov rcx, qword [r13 + 0x360]
mov rdx, rax
test dword [rcx + 0x84], 0x40000
je 0x14003c959
xor edi, edi
lea rcx, str.RTSP_
cmp rsi, rbp
cmova rsi, rbp
setae dil
mov r8, rsi
call fcn.140033bd0
test eax, eax
mov ecx, 2
cmovne ecx, edi
jmp 0x14003c966
mov r8, rsi
mov rcx, rbx
call fcn.14003be30
mov ecx, eax
cmp ecx, 2
je 0x14003cfeb
mov rsi, qword [rsp + 0x68]
lea rcx, [rbx + 0xca0]
call fcn.14001e290
mov rcx, r14
mov r15, rax
call fcn.14001e280
movzx ecx, byte [r15]
mov rbp, rax
cmp cl, 0xa
je 0x14003ceb5
cmp cl, 0xd
je 0x14003ceb5
mov edx, dword [rbx + 0x12c]
mov edi, 4
mov rsi, r14
lea ecx, [rdx + 1]
mov dword [rbx + 0x12c], ecx
test edx, edx
jne 0x14003cd7b
xor esi, esi
mov dword [rbx + 0x138], esi
mov rax, qword [r13 + 0x360]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x14003cb72
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x14003ca03
nop dword [rax]
cmp al, 0x20
je 0x14003c9f8
cmp al, 9
jne 0x14003ca03
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x14003c9f0
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rdi
call fcn.1400876b0
test eax, eax
jne 0x14003caa9
movsx edx, byte [rdi + 5]
mov ecx, edx
sub ecx, 0x31
je 0x14003cad9
sub ecx, 1
je 0x14003ca3d
cmp ecx, 1
jne 0x14003d01f
movzx eax, byte [rdi + 6]
cmp al, 0x20
je 0x14003ca49
cmp al, 9
jne 0x14003caa9
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 0x14003caa9
movsx edx, byte [rdi + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14003caa9
movsx r8d, byte [rdi + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14003caa9
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 0x14003cc55
sub al, 9
cmp al, 4
jbe 0x14003cc55
mov r8, rbp
mov rdx, r15
mov rcx, rbx
call fcn.14003be30
cmp eax, 1
jne 0x14003d06b
mov dword [rbx + 0x13c], 0xc8
mov dword [rbx + 0x138], 0xa
jmp 0x14003cc55
cmp byte [rdi + 6], 0x2e
jne 0x14003cb59
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 1
ja 0x14003cb59
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x14003caf6
cmp al, 9
jne 0x14003cb59
lea eax, [rcx - 0x26]
mov dword [rbx + 0x138], eax
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14003cb59
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14003cb59
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14003cb59
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 0x14003cc55
cmp al, 9
je 0x14003cc55
sub al, 0xa
cmp al, 3
jbe 0x14003cc55
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rbx
call fcn.14002bdb0
mov eax, 1
jmp 0x14003cfd6
bt ecx, 0x12
jae 0x14003d06b
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x14003cb9a
cmp al, 0x20
je 0x14003cb8f
cmp al, 9
jne 0x14003cb9a
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x14003cb87
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rdi
call fcn.1400876b0
test eax, eax
jne 0x14003d06b
movzx eax, byte [rdi + 5]
sub al, 0x30
cmp al, 9
ja 0x14003d166
cmp byte [rdi + 6], 0x2e
jne 0x14003d166
movzx eax, byte [rdi + 7]
sub al, 0x30
cmp al, 9
ja 0x14003d166
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x14003cbed
cmp al, 9
jne 0x14003d166
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14003d166
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14003d166
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14003d166
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 0x14003cc4b
cmp al, 9
je 0x14003cc4b
sub al, 0xa
cmp al, 3
ja 0x14003d166
mov dword [rbx + 0x138], recv
mov r9d, dword [rbx + 0x138]
mov ecx, r9d
sub ecx, 0xa
je 0x14003cc6d
cmp ecx, 1
jne 0x14003d035
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 0x14003ccad
cmp eax, dword [rbx + 0x138]
jle 0x14003ccba
movzx eax, byte [rbx + 0x138]
mov byte [rbx + 0x12f1], al
cmp qword [rbx + 0x10f8], rsi
je 0x14003ccdf
cmp byte [rbx + 0x12f2], sil
jne 0x14003ccdf
cmp dword [rbx + 0x13c], 0x1a0
jne 0x14003ccdf
mov byte [rbx + 0x1da], 1
mov eax, dword [rbx + 0x138]
cmp eax, 0xa
jne 0x14003cd08
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rbx
call fcn.14002bea0
mov edx, 1
mov rcx, r13
call fcn.14002eae0
jmp 0x14003cd2c
cmp eax, 0x14
je 0x14003cd1f
cmp dword [rbx + 0x144], 2
jne 0x14003cd2c
cmp dword [rbx + 0x13c], 0x65
jne 0x14003cd2c
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 0x14003cd5e
cmp ecx, 0x64
jne 0x14003cd73
cmp byte [rbx + 0x530], sil
je 0x14003cd5e
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.14001e290
mov rcx, rsi
mov r14, rax
call fcn.14001e280
mov r8, rax
xor edx, edx
mov rcx, r14
mov rsi, rax
call fcn.1400ab230
test rax, rax
jne 0x14003d092
mov edx, dword [rbx + 0x12c]
cmp edx, 2
jl 0x14003cde2
movzx ecx, byte [r14]
cmp cl, 0x20
je 0x14003cdc4
cmp cl, 9
jne 0x14003cdc9
cmp edx, 2
jg 0x14003cde2
mov r8, rsi
mov edx, 0x3a
mov rcx, r14
call fcn.1400ab230
test rax, rax
je 0x14003d077
mov r9, rbp
mov r8, r15
mov rdx, r13
mov rcx, rbx
call fcn.14003a2c0
test eax, eax
jne 0x14003cfd6
mov r9, rbp
lea edx, [rax + 1]
mov r8, r15
mov rcx, rbx
call fcn.14002bcd0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x64
jae 0x14003ce1d
or edi, 0x20
mov r9, rbp
mov r8, r15
mov edx, edi
mov rcx, rbx
call fcn.14002ceb0
test eax, eax
jne 0x14003cfd6
mov edx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x14003ce7d
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 0x14003ce78
cmp ecx, 0x5dc000
jbe 0x14003ce8a
mov r9d, 0x5dc000
mov eax, ecx
mov r8d, eax
jmp 0x14003ce81
lea r8, [rdx + rbp]
test r8, r8
jne 0x14003d0ad
lea rcx, [rbx + 0xca0]
call fcn.14001e2a0
test r12, r12
je 0x14003cfb7
mov rsi, qword [rsp + 0x68]
lea r14, [rbx + 0xca0]
mov r15, qword [rsp + 0x78]
jmp 0x14003c8b7
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.14002bcd0
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.14002ceb0
test eax, eax
jne 0x14003cfd6
mov ecx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x14003cf44
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 0x14003cf3f
cmp r8d, 0x5dc000
jbe 0x14003cf51
mov r9d, 0x5dc000
mov edx, r8d
mov r8d, edx
jmp 0x14003cf48
lea r8, [rcx + rbp]
test r8, r8
jne 0x14003d0ad
lea rcx, [rbx + 0xca0]
call fcn.14001e2a0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x63
ja 0x14003cf73
mov eax, dword [rbx + 0x120]
jmp 0x14003cf75
xor eax, eax
lea r9, [rsp + 0x60]
mov dword [rbx + 0x128], eax
mov r8, r12
mov rdx, rsi
mov rcx, rbx
call fcn.14003bf70
test eax, eax
jne 0x14003cfd6
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 0x14003cfb7
test r12, r12
jne 0x14003c8b7
xor bpl, bpl
cmp byte [rbx + 0x1d1], 0
jne 0x14003cfd4
test bpl, bpl
jne 0x14003cfd4
lea rcx, [rbx + 0xca0]
call fcn.14001e230
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.14002eae0
cmp byte [r13 + 0x778], 0xa
jae 0x14003d157
cmp byte [rbx + 0xac9], 0
je 0x14003d13e
mov byte [rbx + 0x1d1], 0
mov bpl, 1
jmp 0x14003cfba
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rbx
call fcn.14002bdb0
mov eax, 1
jmp 0x14003cfd6
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.14002bdb0
mov eax, 1
jmp 0x14003cfd6
mov byte [rbx + 0x1d1], sil
jmp 0x14003cfb7
lea rdx, str.Header_without_colon
mov rcx, rbx
mov edi, 8
call fcn.14002bdb0
mov eax, edi
jmp 0x14003cfd6
lea rdx, str.Nul_byte_in_header
mov rcx, rbx
mov edi, 8
call fcn.14002bdb0
mov eax, edi
jmp 0x14003cfd6
lea rdx, str.Too_large_response_headers:__zu____u
mov rcx, rbx
call fcn.14002bdb0
mov eax, gethostname
jmp 0x14003cfd6
mov r8, r12
call fcn.14001e220
test eax, eax
jne 0x14003cfd6
add qword [r15], r12
cmp dword [rbx + 0x12c], eax
jne 0x14003cfb7
mov rcx, r14
call fcn.14001e280
mov rcx, r14
mov rdi, rax
call fcn.14001e290
mov r8, rax
mov r9, rdi
mov rdx, r13
mov rcx, rbx
call fcn.14003bf00
cmp eax, 2
jne 0x14003cfb7
mov edx, eax
mov byte [rbx + 0x1d1], 0
mov rcx, r13
call fcn.14002eae0
cmp byte [r13 + 0x778], 0xa
jae 0x14003d157
cmp byte [rbx + 0xac9], 0
je 0x14003d13e
mov bpl, 1
jmp 0x14003cfba
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rbx
call fcn.14002bdb0
mov eax, 1
jmp 0x14003cfd6
lea rdx, str.Invalid_status_line
mov rcx, rbx
call fcn.14002bdb0
mov eax, 8
jmp 0x14003cfd6