Function at 0x140047730
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.14014a2f0
mov rdi, rax
mov rdx, rsi
mov rcx, r14
test rax, rax
je 0x140047f76
sub rdi, rsi
inc rdi
mov r8, rdi
call fcn.140029190
test eax, eax
jne 0x140047e86
add qword [r15], rdi
add rsi, rdi
sub r12, rdi
mov qword [rsp + 0x68], rsi
cmp dword [rbx + 0x12c], eax
jne 0x140047824
mov rcx, r14
call fcn.1400193e0
mov rcx, r14
mov rsi, rax
call fcn.14000b010
mov rcx, qword [r13 + 0x360]
mov rdx, rax
test dword [rcx + 0x84], 0x40000
je 0x140047809
xor edi, edi
lea rcx, str.RTSP_
cmp rsi, rbp
cmova rsi, rbp
setae dil
mov r8, rsi
call fcn.14003ea80
test eax, eax
mov ecx, 2
cmovne ecx, edi
jmp 0x140047816
mov r8, rsi
mov rcx, rbx
call fcn.140046ce0
mov ecx, eax
cmp ecx, 2
je 0x140047e9b
mov rsi, qword [rsp + 0x68]
lea rcx, [rbx + 0xca0]
call fcn.14000b010
mov rcx, r14
mov r15, rax
call fcn.1400193e0
movzx ecx, byte [r15]
mov rbp, rax
cmp cl, 0xa
je 0x140047d65
cmp cl, 0xd
je 0x140047d65
mov edx, dword [rbx + 0x12c]
mov edi, 4
mov rsi, r14
lea ecx, [rdx + 1]
mov dword [rbx + 0x12c], ecx
test edx, edx
jne 0x140047c2b
xor esi, esi
mov dword [rbx + 0x138], esi
mov rax, qword [r13 + 0x360]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x140047a22
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x1400478b3
nop dword [rax]
cmp al, 0x20
je 0x1400478a8
cmp al, 9
jne 0x1400478b3
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x1400478a0
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rdi
call fcn.140099f50
test eax, eax
jne 0x140047959
movsx edx, byte [rdi + 5]
mov ecx, edx
sub ecx, 0x31
je 0x140047989
sub ecx, 1
je 0x1400478ed
cmp ecx, 1
jne 0x140047ecf
movzx eax, byte [rdi + 6]
cmp al, 0x20
je 0x1400478f9
cmp al, 9
jne 0x140047959
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 0x140047959
movsx edx, byte [rdi + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140047959
movsx r8d, byte [rdi + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140047959
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 0x140047b05
sub al, 9
cmp al, 4
jbe 0x140047b05
mov r8, rbp
mov rdx, r15
mov rcx, rbx
call fcn.140046ce0
cmp eax, 1
jne 0x140047f1b
mov dword [rbx + 0x13c], 0xc8
mov dword [rbx + 0x138], 0xa
jmp 0x140047b05
cmp byte [rdi + 6], 0x2e
jne 0x140047a09
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 1
ja 0x140047a09
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x1400479a6
cmp al, 9
jne 0x140047a09
lea eax, [rcx - 0x26]
mov dword [rbx + 0x138], eax
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140047a09
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140047a09
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140047a09
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 0x140047b05
cmp al, 9
je 0x140047b05
sub al, 0xa
cmp al, 3
jbe 0x140047b05
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rbx
call fcn.140036cc0
mov eax, 1
jmp 0x140047e86
bt ecx, 0x12
jae 0x140047f1b
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x140047a4a
cmp al, 0x20
je 0x140047a3f
cmp al, 9
jne 0x140047a4a
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x140047a37
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rdi
call fcn.140099f50
test eax, eax
jne 0x140047f1b
movzx eax, byte [rdi + 5]
sub al, 0x30
cmp al, 9
ja 0x140048016
cmp byte [rdi + 6], 0x2e
jne 0x140048016
movzx eax, byte [rdi + 7]
sub al, 0x30
cmp al, 9
ja 0x140048016
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x140047a9d
cmp al, 9
jne 0x140048016
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140048016
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140048016
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140048016
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 0x140047afb
cmp al, 9
je 0x140047afb
sub al, 0xa
cmp al, 3
ja 0x140048016
mov dword [rbx + 0x138], select
mov r9d, dword [rbx + 0x138]
mov ecx, r9d
sub ecx, 0xa
je 0x140047b1d
cmp ecx, 1
jne 0x140047ee5
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 0x140047b5d
cmp eax, dword [rbx + 0x138]
jle 0x140047b6a
movzx eax, byte [rbx + 0x138]
mov byte [rbx + 0x12f1], al
cmp qword [rbx + 0x10f8], rsi
je 0x140047b8f
cmp byte [rbx + 0x12f2], sil
jne 0x140047b8f
cmp dword [rbx + 0x13c], 0x1a0
jne 0x140047b8f
mov byte [rbx + 0x1da], 1
mov eax, dword [rbx + 0x138]
cmp eax, 0xa
jne 0x140047bb8
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rbx
call fcn.140036db0
mov edx, 1
mov rcx, r13
call fcn.1400399f0
jmp 0x140047bdc
cmp eax, 0x14
je 0x140047bcf
cmp dword [rbx + 0x144], 2
jne 0x140047bdc
cmp dword [rbx + 0x13c], 0x65
jne 0x140047bdc
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 0x140047c0e
cmp ecx, 0x64
jne 0x140047c23
cmp byte [rbx + 0x530], sil
je 0x140047c0e
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.14000b010
mov rcx, rsi
mov r14, rax
call fcn.1400193e0
mov r8, rax
xor edx, edx
mov rcx, r14
mov rsi, rax
call fcn.14014a2f0
test rax, rax
jne 0x140047f42
mov edx, dword [rbx + 0x12c]
cmp edx, 2
jl 0x140047c92
movzx ecx, byte [r14]
cmp cl, 0x20
je 0x140047c74
cmp cl, 9
jne 0x140047c79
cmp edx, 2
jg 0x140047c92
mov r8, rsi
mov edx, 0x3a
mov rcx, r14
call fcn.14014a2f0
test rax, rax
je 0x140047f27
mov r9, rbp
mov r8, r15
mov rdx, r13
mov rcx, rbx
call fcn.140045170
test eax, eax
jne 0x140047e86
mov r9, rbp
lea edx, [rax + 1]
mov r8, r15
mov rcx, rbx
call fcn.140036be0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x64
jae 0x140047ccd
or edi, 0x20
mov r9, rbp
mov r8, r15
mov edx, edi
mov rcx, rbx
call fcn.140037dc0
test eax, eax
jne 0x140047e86
mov edx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x140047d2d
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 0x140047d28
cmp ecx, 0x5dc000
jbe 0x140047d3a
mov r9d, 0x5dc000
mov eax, ecx
mov r8d, eax
jmp 0x140047d31
lea r8, [rdx + rbp]
test r8, r8
jne 0x140047f5d
lea rcx, [rbx + 0xca0]
call fcn.1400291f0
test r12, r12
je 0x140047e67
mov rsi, qword [rsp + 0x68]
lea r14, [rbx + 0xca0]
mov r15, qword [rsp + 0x78]
jmp 0x140047767
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.140036be0
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.140037dc0
test eax, eax
jne 0x140047e86
mov ecx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x140047df4
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 0x140047def
cmp r8d, 0x5dc000
jbe 0x140047e01
mov r9d, 0x5dc000
mov edx, r8d
mov r8d, edx
jmp 0x140047df8
lea r8, [rcx + rbp]
test r8, r8
jne 0x140047f5d
lea rcx, [rbx + 0xca0]
call fcn.1400291f0
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x63
ja 0x140047e23
mov eax, dword [rbx + 0x120]
jmp 0x140047e25
xor eax, eax
lea r9, [rsp + 0x60]
mov dword [rbx + 0x128], eax
mov r8, r12
mov rdx, rsi
mov rcx, rbx
call fcn.140046e20
test eax, eax
jne 0x140047e86
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 0x140047e67
test r12, r12
jne 0x140047767
xor bpl, bpl
cmp byte [rbx + 0x1d1], 0
jne 0x140047e84
test bpl, bpl
jne 0x140047e84
lea rcx, [rbx + 0xca0]
call fcn.1400291a0
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.1400399f0
cmp byte [r13 + 0x778], 0xa
jae 0x140048007
cmp byte [rbx + 0xac9], 0
je 0x140047fee
mov byte [rbx + 0x1d1], 0
mov bpl, 1
jmp 0x140047e6a
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rbx
call fcn.140036cc0
mov eax, 1
jmp 0x140047e86
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.140036cc0
mov eax, 1
jmp 0x140047e86
mov byte [rbx + 0x1d1], sil
jmp 0x140047e67
lea rdx, str.Header_without_colon
mov rcx, rbx
mov edi, 8
call fcn.140036cc0
mov eax, edi
jmp 0x140047e86
lea rdx, str.Nul_byte_in_header
mov rcx, rbx
mov edi, 8
call fcn.140036cc0
mov eax, edi
jmp 0x140047e86
lea rdx, str.Too_large_response_headers:__zu____u
mov rcx, rbx
call fcn.140036cc0
mov eax, gethostname
jmp 0x140047e86
mov r8, r12
call fcn.140029190
test eax, eax
jne 0x140047e86
add qword [r15], r12
cmp dword [rbx + 0x12c], eax
jne 0x140047e67
mov rcx, r14
call fcn.1400193e0
mov rcx, r14
mov rdi, rax
call fcn.14000b010
mov r8, rax
mov r9, rdi
mov rdx, r13
mov rcx, rbx
call fcn.140046db0
cmp eax, 2
jne 0x140047e67
mov edx, eax
mov byte [rbx + 0x1d1], 0
mov rcx, r13
call fcn.1400399f0
cmp byte [r13 + 0x778], 0xa
jae 0x140048007
cmp byte [rbx + 0xac9], 0
je 0x140047fee
mov bpl, 1
jmp 0x140047e6a
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rbx
call fcn.140036cc0
mov eax, 1
jmp 0x140047e86
lea rdx, str.Invalid_status_line
mov rcx, rbx
call fcn.140036cc0
mov eax, 8
jmp 0x140047e86