Function at 0x140044520
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.1401470a0
mov rdi, rax
mov rdx, rsi
mov rcx, r14
test rax, rax
je 0x140044d66
sub rdi, rsi
inc rdi
mov r8, rdi
call fcn.140025ee0
test eax, eax
jne 0x140044c76
add qword [r15], rdi
add rsi, rdi
sub r12, rdi
mov qword [rsp + 0x68], rsi
cmp dword [rbx + 0x12c], eax
jne 0x140044614
mov rcx, r14
call fcn.140016060
mov rcx, r14
mov rsi, rax
call fcn.140009090
mov rcx, qword [r13 + 0x360]
mov rdx, rax
test dword [rcx + 0x84], 0x40000
je 0x1400445f9
xor edi, edi
lea rcx, str.RTSP_
cmp rsi, rbp
cmova rsi, rbp
setae dil
mov r8, rsi
call fcn.14003b870
test eax, eax
mov ecx, 2
cmovne ecx, edi
jmp 0x140044606
mov r8, rsi
mov rcx, rbx
call fcn.140043ad0
mov ecx, eax
cmp ecx, 2
je 0x140044c8b
mov rsi, qword [rsp + 0x68]
lea rcx, [rbx + 0xca0]
call fcn.140009090
mov rcx, r14
mov r15, rax
call fcn.140016060
movzx ecx, byte [r15]
mov rbp, rax
cmp cl, 0xa
je 0x140044b55
cmp cl, 0xd
je 0x140044b55
mov edx, dword [rbx + 0x12c]
mov edi, 4
mov rsi, r14
lea ecx, [rdx + 1]
mov dword [rbx + 0x12c], ecx
test edx, edx
jne 0x140044a1b
xor esi, esi
mov dword [rbx + 0x138], esi
mov rax, qword [r13 + 0x360]
mov ecx, dword [rax + 0x84]
test cl, 3
je 0x140044812
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x1400446a3
nop dword [rax]
cmp al, 0x20
je 0x140044698
cmp al, 9
jne 0x1400446a3
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x140044690
mov r8d, 5
lea rdx, str.HTTP_
mov rcx, rdi
call fcn.140096d50
test eax, eax
jne 0x140044749
movsx edx, byte [rdi + 5]
mov ecx, edx
sub ecx, 0x31
je 0x140044779
sub ecx, 1
je 0x1400446dd
cmp ecx, 1
jne 0x140044cbf
movzx eax, byte [rdi + 6]
cmp al, 0x20
je 0x1400446e9
cmp al, 9
jne 0x140044749
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 0x140044749
movsx edx, byte [rdi + 8]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140044749
movsx r8d, byte [rdi + 9]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140044749
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 0x1400448f5
sub al, 9
cmp al, 4
jbe 0x1400448f5
mov r8, rbp
mov rdx, r15
mov rcx, rbx
call fcn.140043ad0
cmp eax, 1
jne 0x140044d0b
mov dword [rbx + 0x13c], 0xc8
mov dword [rbx + 0x138], 0xa
jmp 0x1400448f5
cmp byte [rdi + 6], 0x2e
jne 0x1400447f9
movsx ecx, byte [rdi + 7]
lea eax, [rcx - 0x30]
cmp al, 1
ja 0x1400447f9
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x140044796
cmp al, 9
jne 0x1400447f9
lea eax, [rcx - 0x26]
mov dword [rbx + 0x138], eax
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x1400447f9
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x1400447f9
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x1400447f9
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 0x1400448f5
cmp al, 9
je 0x1400448f5
sub al, 0xa
cmp al, 3
jbe 0x1400448f5
lea rdx, str.Unsupported_HTTP_1_subversion_in_response
mov rcx, rbx
call fcn.140033a50
mov eax, 1
jmp 0x140044c76
bt ecx, 0x12
jae 0x140044d0b
movzx eax, byte [r15]
mov rdi, r15
test al, al
je 0x14004483a
cmp al, 0x20
je 0x14004482f
cmp al, 9
jne 0x14004483a
movzx eax, byte [rdi + 1]
inc rdi
test al, al
jne 0x140044827
mov r8d, 5
lea rdx, str.RTSP_
mov rcx, rdi
call fcn.140096d50
test eax, eax
jne 0x140044d0b
movzx eax, byte [rdi + 5]
sub al, 0x30
cmp al, 9
ja 0x140044e06
cmp byte [rdi + 6], 0x2e
jne 0x140044e06
movzx eax, byte [rdi + 7]
sub al, 0x30
cmp al, 9
ja 0x140044e06
movzx eax, byte [rdi + 8]
cmp al, 0x20
je 0x14004488d
cmp al, 9
jne 0x140044e06
movsx ecx, byte [rdi + 9]
lea eax, [rcx - 0x30]
cmp al, 9
ja 0x140044e06
movsx edx, byte [rdi + 0xa]
lea eax, [rdx - 0x30]
cmp al, 9
ja 0x140044e06
movsx r8d, byte [rdi + 0xb]
lea eax, [r8 - 0x30]
cmp al, 9
ja 0x140044e06
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 0x1400448eb
cmp al, 9
je 0x1400448eb
sub al, 0xa
cmp al, 3
ja 0x140044e06
mov dword [rbx + 0x138], select
mov r9d, dword [rbx + 0x138]
mov ecx, r9d
sub ecx, 0xa
je 0x14004490d
cmp ecx, 1
jne 0x140044cd5
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 0x14004494d
cmp eax, dword [rbx + 0x138]
jle 0x14004495a
movzx eax, byte [rbx + 0x138]
mov byte [rbx + 0x12f1], al
cmp qword [rbx + 0x10f8], rsi
je 0x14004497f
cmp byte [rbx + 0x12f2], sil
jne 0x14004497f
cmp dword [rbx + 0x13c], 0x1a0
jne 0x14004497f
mov byte [rbx + 0x1da], 1
mov eax, dword [rbx + 0x138]
cmp eax, 0xa
jne 0x1400449a8
lea rdx, str.HTTP_1.0__assume_close_after_body
mov rcx, rbx
call fcn.140033b40
mov edx, 1
mov rcx, r13
call fcn.140036780
jmp 0x1400449cc
cmp eax, 0x14
je 0x1400449bf
cmp dword [rbx + 0x144], 2
jne 0x1400449cc
cmp dword [rbx + 0x13c], 0x65
jne 0x1400449cc
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 0x1400449fe
cmp ecx, 0x64
jne 0x140044a13
cmp byte [rbx + 0x530], sil
je 0x1400449fe
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.140009090
mov rcx, rsi
mov r14, rax
call fcn.140016060
mov r8, rax
xor edx, edx
mov rcx, r14
mov rsi, rax
call fcn.1401470a0
test rax, rax
jne 0x140044d32
mov edx, dword [rbx + 0x12c]
cmp edx, 2
jl 0x140044a82
movzx ecx, byte [r14]
cmp cl, 0x20
je 0x140044a64
cmp cl, 9
jne 0x140044a69
cmp edx, 2
jg 0x140044a82
mov r8, rsi
mov edx, 0x3a
mov rcx, r14
call fcn.1401470a0
test rax, rax
je 0x140044d17
mov r9, rbp
mov r8, r15
mov rdx, r13
mov rcx, rbx
call fcn.140041f60
test eax, eax
jne 0x140044c76
mov r9, rbp
lea edx, [rax + 1]
mov r8, r15
mov rcx, rbx
call fcn.140033970
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x64
jae 0x140044abd
or edi, 0x20
mov r9, rbp
mov r8, r15
mov edx, edi
mov rcx, rbx
call fcn.140034b50
test eax, eax
jne 0x140044c76
mov edx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x140044b1d
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 0x140044b18
cmp ecx, 0x5dc000
jbe 0x140044b2a
mov r9d, 0x5dc000
mov eax, ecx
mov r8d, eax
jmp 0x140044b21
lea r8, [rdx + rbp]
test r8, r8
jne 0x140044d4d
lea rcx, [rbx + 0xca0]
call fcn.140025f40
test r12, r12
je 0x140044c57
mov rsi, qword [rsp + 0x68]
lea r14, [rbx + 0xca0]
mov r15, qword [rsp + 0x78]
jmp 0x140044557
mov r9, rbp
mov r8, r15
mov edx, 1
mov rcx, rbx
call fcn.140033970
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.140034b50
test eax, eax
jne 0x140044c76
mov ecx, dword [rbx + 0x124]
mov r9d, 0x4b000
cmp rbp, r9
jae 0x140044be4
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 0x140044bdf
cmp r8d, 0x5dc000
jbe 0x140044bf1
mov r9d, 0x5dc000
mov edx, r8d
mov r8d, edx
jmp 0x140044be8
lea r8, [rcx + rbp]
test r8, r8
jne 0x140044d4d
lea rcx, [rbx + 0xca0]
call fcn.140025f40
mov eax, dword [rbx + 0x13c]
sub eax, 0x64
cmp eax, 0x63
ja 0x140044c13
mov eax, dword [rbx + 0x120]
jmp 0x140044c15
xor eax, eax
lea r9, [rsp + 0x60]
mov dword [rbx + 0x128], eax
mov r8, r12
mov rdx, rsi
mov rcx, rbx
call fcn.140043c10
test eax, eax
jne 0x140044c76
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 0x140044c57
test r12, r12
jne 0x140044557
xor bpl, bpl
cmp byte [rbx + 0x1d1], 0
jne 0x140044c74
test bpl, bpl
jne 0x140044c74
lea rcx, [rbx + 0xca0]
call fcn.140025ef0
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.140036780
cmp byte [r13 + 0x778], 0xa
jae 0x140044df7
cmp byte [rbx + 0xac9], 0
je 0x140044dde
mov byte [rbx + 0x1d1], 0
mov bpl, 1
jmp 0x140044c5a
lea rdx, str.Unsupported_HTTP_version_in_response
mov rcx, rbx
call fcn.140033a50
mov eax, 1
jmp 0x140044c76
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.140033a50
mov eax, 1
jmp 0x140044c76
mov byte [rbx + 0x1d1], sil
jmp 0x140044c57
lea rdx, str.Header_without_colon
mov rcx, rbx
mov edi, 8
call fcn.140033a50
mov eax, edi
jmp 0x140044c76
lea rdx, str.Nul_byte_in_header
mov rcx, rbx
mov edi, 8
call fcn.140033a50
mov eax, edi
jmp 0x140044c76
lea rdx, str.Too_large_response_headers:__zu____u
mov rcx, rbx
call fcn.140033a50
mov eax, gethostname
jmp 0x140044c76
mov r8, r12
call fcn.140025ee0
test eax, eax
jne 0x140044c76
add qword [r15], r12
cmp dword [rbx + 0x12c], eax
jne 0x140044c57
mov rcx, r14
call fcn.140016060
mov rcx, r14
mov rdi, rax
call fcn.140009090
mov r8, rax
mov r9, rdi
mov rdx, r13
mov rcx, rbx
call fcn.140043ba0
cmp eax, 2
jne 0x140044c57
mov edx, eax
mov byte [rbx + 0x1d1], 0
mov rcx, r13
call fcn.140036780
cmp byte [r13 + 0x778], 0xa
jae 0x140044df7
cmp byte [rbx + 0xac9], 0
je 0x140044dde
mov bpl, 1
jmp 0x140044c5a
lea rdx, str.Received_HTTP_0.9_when_not_allowed
mov rcx, rbx
call fcn.140033a50
mov eax, 1
jmp 0x140044c76
lea rdx, str.Invalid_status_line
mov rcx, rbx
call fcn.140033a50
mov eax, 8
jmp 0x140044c76