Function at 0x14012ea30
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.1402a1e00
mov rdi, rax
mov rdx, rsi
mov rcx, r14
test rax, rax
je 0x14012f276
sub rdi, rsi
inc rdi
mov r8, rdi
call fcn.140110480
test eax, eax
jne 0x14012f186
add qword [r15], rdi
add rsi, rdi
sub r12, rdi
mov qword [rsp + 0x68], rsi
cmp dword [rbx + 0x12c], eax
jne 0x14012eb24
mov rcx, r14
call fcn.140015ff0
mov rcx, r14
mov rsi, rax
call fcn.140055290
mov rcx, qword [r13 + 0x360]
mov rdx, rax
test dword [rcx + 0x84], 0x40000
je 0x14012eb09
xor edi, edi
lea rcx, str.RTSP_
cmp rsi, rbp
cmova rsi, rbp
setae dil
mov r8, rsi
call fcn.140125d80
test eax, eax
mov ecx, 2
cmovne ecx, edi
jmp 0x14012eb16
mov r8, rsi
mov rcx, rbx
call fcn.14012dfe0
mov ecx, eax
cmp ecx, 2
je 0x14012f19b
mov rsi, qword [rsp + 0x68]
lea rcx, [rbx + 0xca0]
call fcn.140055290
mov rcx, r14
mov r15, rax
call fcn.140015ff0
movzx ecx, byte [r15]
mov rbp, rax
cmp cl, 0xa
je 0x14012f065
cmp cl, 0xd
je 0x14012f065
mov edx, dword [rbx + 0x12c]
mov edi, 4
mov rsi, r14
lea ecx, [rdx + 1]
mov dword [rbx + 0x12c], ecx
test edx, edx
jne 0x14012ef2b
xor esi, esi
mov dword [rbx + 0x138], esi
mov rax, qword [r13 + 0x360]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x14012ed22
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x14012ebb3
nop dword [rax]
cmp al, 0x20
je 0x14012eba8
cmp al, 9
jne 0x14012ebb3
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x14012eba0
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rdi
call fcn.1402823b0
test eax, eax
jne 0x14012ec59
movsx edx, byte [rdi + 5]
mov ecx, edx
sub ecx, 0x31
je 0x14012ec89
sub ecx, 1
je 0x14012ebed
cmp ecx, 1
jne 0x14012f1cf
movzx eax, byte [rdi + 6]
cmp al, 0x20
je 0x14012ebf9
cmp al, 9
jne 0x14012ec59
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 0x14012ec59
movsx edx, byte [rdi + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14012ec59
movsx r8d, byte [rdi + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14012ec59
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 0x14012ee05
sub al, 9
cmp al, 4
jbe 0x14012ee05
mov r8, rbp
mov rdx, r15
mov rcx, rbx
call fcn.14012dfe0
cmp eax, 1
jne 0x14012f21b
mov dword [rbx + 0x13c], 0xc8
mov dword [rbx + 0x138], 0xa
jmp 0x14012ee05
cmp byte [rdi + 6], 0x2e
jne 0x14012ed09
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 1
ja 0x14012ed09
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x14012eca6
cmp al, 9
jne 0x14012ed09
lea eax, [rcx - 0x26]
mov dword [rbx + 0x138], eax
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14012ed09
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14012ed09
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14012ed09
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 0x14012ee05
cmp al, 9
je 0x14012ee05
sub al, 0xa
cmp al, 3
jbe 0x14012ee05
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rbx
call fcn.14011dfc0
mov eax, 1
jmp 0x14012f186
bt ecx, 0x12
jae 0x14012f21b
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x14012ed4a
cmp al, 0x20
je 0x14012ed3f
cmp al, 9
jne 0x14012ed4a
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x14012ed37
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rdi
call fcn.1402823b0
test eax, eax
jne 0x14012f21b
movzx eax, byte [rdi + 5]
sub al, 0x30
cmp al, 9
ja 0x14012f316
cmp byte [rdi + 6], 0x2e
jne 0x14012f316
movzx eax, byte [rdi + 7]
sub al, 0x30
cmp al, 9
ja 0x14012f316
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x14012ed9d
cmp al, 9
jne 0x14012f316
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x14012f316
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x14012f316
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x14012f316
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 0x14012edfb
cmp al, 9
je 0x14012edfb
sub al, 0xa
cmp al, 3
ja 0x14012f316
mov dword [rbx + 0x138], recv
mov r9d, dword [rbx + 0x138]
mov ecx, r9d
sub ecx, 0xa
je 0x14012ee1d
cmp ecx, 1
jne 0x14012f1e5
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 0x14012ee5d
cmp eax, dword [rbx + 0x138]
jle 0x14012ee6a
movzx eax, byte [rbx + 0x138]
mov byte [rbx + 0x12f1], al
cmp qword [rbx + 0x10f8], rsi
je 0x14012ee8f
cmp byte [rbx + 0x12f2], sil
jne 0x14012ee8f
cmp dword [rbx + 0x13c], 0x1a0
jne 0x14012ee8f
mov byte [rbx + 0x1da], 1
mov eax, dword [rbx + 0x138]
cmp eax, 0xa
jne 0x14012eeb8
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rbx
call fcn.14011e0b0
mov edx, 1
mov rcx, r13
call fcn.140120cf0
jmp 0x14012eedc
cmp eax, 0x14
je 0x14012eecf
cmp dword [rbx + 0x144], 2
jne 0x14012eedc
cmp dword [rbx + 0x13c], 0x65
jne 0x14012eedc
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 0x14012ef0e
cmp ecx, 0x64
jne 0x14012ef23
cmp byte [rbx + 0x530], sil
je 0x14012ef0e
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.140055290
mov rcx, rsi
mov r14, rax
call fcn.140015ff0
mov r8, rax
xor edx, edx
mov rcx, r14
mov rsi, rax
call fcn.1402a1e00
test rax, rax
jne 0x14012f242
mov edx, dword [rbx + 0x12c]
cmp edx, 2
jl 0x14012ef92
movzx ecx, byte [r14]
cmp cl, 0x20
je 0x14012ef74
cmp cl, 9
jne 0x14012ef79
cmp edx, 2
jg 0x14012ef92
mov r8, rsi
mov edx, 0x3a
mov rcx, r14
call fcn.1402a1e00
test rax, rax
je 0x14012f227
mov r9, rbp
mov r8, r15
mov rdx, r13
mov rcx, rbx
call fcn.14012c470
test eax, eax
jne 0x14012f186
mov r9, rbp
lea edx, [rax + 1]
mov r8, r15
mov rcx, rbx
call fcn.14011dee0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x64
jae 0x14012efcd
or edi, 0x20
mov r9, rbp
mov r8, r15
mov edx, edi
mov rcx, rbx
call fcn.14011f0c0
test eax, eax
jne 0x14012f186
mov edx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x14012f02d
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 0x14012f028
cmp ecx, 0x5dc000
jbe 0x14012f03a
mov r9d, 0x5dc000
mov eax, ecx
mov r8d, eax
jmp 0x14012f031
lea r8, [rdx + rbp]
test r8, r8
jne 0x14012f25d
lea rcx, [rbx + 0xca0]
call fcn.1401104e0
test r12, r12
je 0x14012f167
mov rsi, qword [rsp + 0x68]
lea r14, [rbx + 0xca0]
mov r15, qword [rsp + 0x78]
jmp 0x14012ea67
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.14011dee0
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.14011f0c0
test eax, eax
jne 0x14012f186
mov ecx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x14012f0f4
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 0x14012f0ef
cmp r8d, 0x5dc000
jbe 0x14012f101
mov r9d, 0x5dc000
mov edx, r8d
mov r8d, edx
jmp 0x14012f0f8
lea r8, [rcx + rbp]
test r8, r8
jne 0x14012f25d
lea rcx, [rbx + 0xca0]
call fcn.1401104e0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x63
ja 0x14012f123
mov eax, dword [rbx + 0x120]
jmp 0x14012f125
xor eax, eax
lea r9, [rsp + 0x60]
mov dword [rbx + 0x128], eax
mov r8, r12
mov rdx, rsi
mov rcx, rbx
call fcn.14012e120
test eax, eax
jne 0x14012f186
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 0x14012f167
test r12, r12
jne 0x14012ea67
xor bpl, bpl
cmp byte [rbx + 0x1d1], 0
jne 0x14012f184
test bpl, bpl
jne 0x14012f184
lea rcx, [rbx + 0xca0]
call fcn.140110490
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.140120cf0
cmp byte [r13 + 0x778], 0xa
jae 0x14012f307
cmp byte [rbx + 0xac9], 0
je 0x14012f2ee
mov byte [rbx + 0x1d1], 0
mov bpl, 1
jmp 0x14012f16a
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rbx
call fcn.14011dfc0
mov eax, 1
jmp 0x14012f186
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.14011dfc0
mov eax, 1
jmp 0x14012f186
mov byte [rbx + 0x1d1], sil
jmp 0x14012f167
lea rdx, str.Header_without_colon
mov rcx, rbx
mov edi, 8
call fcn.14011dfc0
mov eax, edi
jmp 0x14012f186
lea rdx, str.Nul_byte_in_header
mov rcx, rbx
mov edi, 8
call fcn.14011dfc0
mov eax, edi
jmp 0x14012f186
lea rdx, str.Too_large_response_headers:__zu____u
mov rcx, rbx
call fcn.14011dfc0
mov eax, gethostname
jmp 0x14012f186
mov r8, r12
call fcn.140110480
test eax, eax
jne 0x14012f186
add qword [r15], r12
cmp dword [rbx + 0x12c], eax
jne 0x14012f167
mov rcx, r14
call fcn.140015ff0
mov rcx, r14
mov rdi, rax
call fcn.140055290
mov r8, rax
mov r9, rdi
mov rdx, r13
mov rcx, rbx
call fcn.14012e0b0
cmp eax, 2
jne 0x14012f167
mov edx, eax
mov byte [rbx + 0x1d1], 0
mov rcx, r13
call fcn.140120cf0
cmp byte [r13 + 0x778], 0xa
jae 0x14012f307
cmp byte [rbx + 0xac9], 0
je 0x14012f2ee
mov bpl, 1
jmp 0x14012f16a
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rbx
call fcn.14011dfc0
mov eax, 1
jmp 0x14012f186
lea rdx, str.Invalid_status_line
mov rcx, rbx
call fcn.14011dfc0
mov eax, 8
jmp 0x14012f186