Function at 0x1800dff20
Capabilities:
Convert ip address from string
Get local ipv4 addresses
Get socket information

Disassembly:
mov r11, rsp
push rbp
push rbx
push r13
push r15
lea rbp, [r11 - 0x608]
sub rsp, 0x6e8
mov rax, qword [0x1802107c0]
xor rax, rsp
mov qword [rbp + 0x5c0], rax
mov r13, qword [rcx + 0x20]
xor eax, eax
mov qword [r11 + 0x18], rsi
xorps xmm0, xmm0
mov qword [r11 - 0x28], rdi
mov r15, rcx
mov qword [r11 - 0x30], r12
mov edi, edx
mov qword [r11 - 0x38], r14
mov r12b, 1
mov r14, qword [rcx + 0x760]
mov esi, eax
mov qword [rsp + 0x48], 0xffffffffffffffff
mov byte [rbp - 0x10], 0
mov qword [rbp + 0x11], rax
mov dword [rbp + 0x19], eax
mov word [rbp + 0x1d], ax
mov qword [rsp + 0x60], rax
mov qword [rsp + 0x58], rax
mov word [rsp + 0x40], ax
mov word [rsp + 0x44], ax
mov qword [rsp + 0x50], rax
movups xmmword [rbp - 0xf], xmm0
movups xmmword [rbp + 1], xmm0
test r14, r14
je 0x1800e0193
mov rax, 0xffffffffffffffff
nop dword [rax + rax]
inc rax
cmp byte [r14 + rax], sil
jne 0x1800dffc0
cmp rax, 1
jbe 0x1800e0193
movzx eax, byte [r14]
cmp al, 0x5b
jne 0x1800e0012
lea rsi, [r14 + 1]
mov edx, 0x5d
mov rcx, rsi
mov rbx, rsi
call fcn.18011a43c
mov r14, rax
test rax, rax
mov eax, 0
cmove rsi, rax
mov qword [rsp + 0x50], rsi
mov rsi, r14
sub rsi, rbx
test r14, r14
cmove rsi, rax
jmp 0x1800e0059
cmp al, 0x3a
je 0x1800e0061
mov edx, 0x3a
mov rcx, r14
call fcn.18011a43c
mov rdx, r14
mov rbx, rax
mov qword [rsp + 0x50], rdx
mov rsi, rax
test rax, rax
je 0x1800e015c
lea r8, [rsp + 0x78]
mov ecx, reloc.WS2_32.dll_socket
sub rsi, r14
call qword [sym.imp.WS2_32.dll_inet_pton]
xor r14d, r14d
cmp eax, 1
cmovne r14, rbx
xor eax, eax
movzx ebx, ax
test r14, r14
je 0x1800e00bf
mov edx, 0x3a
mov rcx, r14
call fcn.18011a43c
mov r14, rax
xor eax, eax
mov ebx, eax
test r14, r14
je 0x1800e00bf
lea rcx, [r14 + 1]
xor edx, edx
lea r8d, [rax + 0xa]
call fcn.18012eb98
mov ecx, eax
call fcn.1800bcba0
mov edx, 0x2d
mov rcx, r14
movzx ebx, ax
call fcn.18011a43c
test rax, rax
je 0x1800e0154
xor edx, edx
lea rcx, [rax + 1]
lea r8d, [rdx + 0xa]
call fcn.18012eb98
mov ecx, eax
call fcn.1800bcba0
mov rdx, qword [rsp + 0x50]
xor r14d, r14d
cmp bx, ax
mov ecx, r14d
cmovbe cx, ax
cmovbe r14w, bx
mov dword [rsp + 0x44], ecx
test rsi, rsi
je 0x1800e018d
cmp rsi, 0x32
jae 0x1800e0649
mov r8, rsi
lea rcx, [rbp + 0x20]
call fcn.180157310
mov byte [rbp + rsi + 0x20], 0
mov rcx, qword [r13 + 0x38]
add rcx, 0x10
call fcn.1800fc890
mov rcx, qword [r13 + 0x38]
lea r9, [rbp + 0x20]
mov r8d, dword [r13 + 0x6d8]
mov edx, eax
lea rax, [rbp + 0x1b0]
mov dword [rsp + 0x28], 0x401
mov qword [rsp + 0x20], rax
mov ecx, dword [rcx]
call fcn.1800299f0
mov ecx, eax
test eax, eax
je 0x1800e0177
sub ecx, 1
je 0x1800e0649
cmp ecx, 1
jne 0x1800e017d
lea rbx, [rbp + 0x1b0]
jmp 0x1800e0182
movzx eax, bx
jmp 0x1800e00bf
mov rsi, 0xffffffffffffffff
inc rsi
cmp byte [r14 + rsi], 0
jne 0x1800e0163
xor eax, eax
movzx ebx, ax
jmp 0x1800e00c4
lea rbx, [rbp + 0x20]
jmp 0x1800e0182
mov rbx, qword [rsp + 0x60]
test rbx, rbx
jne 0x1800e0228
jmp 0x1800e0198
mov dword [rsp + 0x44], ecx
jmp 0x1800e0198
mov r14d, dword [rsp + 0x40]
mov dword [rsp + 0x40], 0x80
lea r8, [rsp + 0x40]
mov rcx, qword [r13 + 0x188]
lea rdx, [rsp + 0x70]
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x1800e01e4
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp + 0xb0]
mov ecx, eax
call fcn.1800a60c0
mov r8, rax
lea rdx, str.getsockname___failed:__s
jmp 0x1800e0641
movzx eax, word [rsp + 0x70]
cmp ax, 0x17
je 0x1800e01f6
lea rdx, [rsp + 0x74]
jmp 0x1800e0200
lea rdx, [rsp + 0x78]
mov eax, reloc.WS2_32.dll_socket
movzx ecx, ax
lea r8, [rbp + 0x1b0]
mov r9d, 0x401
call sub.WS2_32.dll_inet_ntop
test rax, rax
je 0x1800e0649
lea rbx, [rbp + 0x1b0]
xor r12b, r12b
lea rax, [rsp + 0x58]
xor r9d, r9d
xor r8d, r8d
mov qword [rsp + 0x20], rax
mov rdx, rbx
mov rcx, r15
call fcn.1800c4bf0
cmp eax, 1
jne 0x1800e0255
lea rdx, [rsp + 0x58]
mov rcx, r15
call fcn.1800ad6e0
mov rdx, qword [rsp + 0x58]
test rdx, rdx
je 0x1800e0637
mov rsi, qword [rdx]
mov rcx, r15
call fcn.1800c51e0
test rsi, rsi
je 0x1800e0637
nop word [rax + rax]
movzx r9d, byte [r13 + 0x6e2]
lea rax, [rsp + 0x48]
xor r8d, r8d
mov qword [rsp + 0x20], rax
mov rdx, rsi
mov rcx, r15
call fcn.1800eed60
test eax, eax
je 0x1800e02d6
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov rsi, qword [rsi + 0x28]
test rsi, rsi
jne 0x1800e0280
mov r8d, 0x100
lea rdx, [rbp + 0xb0]
mov ecx, eax
call fcn.1800a60c0
mov r8, rax
lea rdx, str.socket_failure:__s
jmp 0x1800e0641
movsxd r8, dword [rsi + 0x10]
lea rcx, [rsp + 0x70]
mov rdx, qword [rsi + 0x20]
call fcn.180157310
movzx ebx, r14w
mov eax, dword [rsi + 0x10]
mov dword [rsp + 0x40], eax
cmp r14w, word [rsp + 0x44]
ja 0x1800e03b4
nop
movzx ecx, bx
call qword [sym.imp.WS2_32.dll_htons]
mov r8d, dword [rsp + 0x40]
lea rdx, [rsp + 0x70]
mov rcx, qword [rsp + 0x48]
mov word [rsp + 0x72], ax
call qword [sym.imp.WS2_32.dll_bind]
test eax, eax
je 0x1800e03f7
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
test r12b, r12b
je 0x1800e039a
cmp eax, 0x2741
jne 0x1800e039a
mov r8d, 0x100
lea rdx, [rbp + 0xb0]
mov ecx, eax
call fcn.1800a60c0
mov r9, rax
movzx r8d, bx
lea rdx, str.bind_port_hu__on_non_local_address_failed:__s
mov rcx, r15
call fcn.1800b9fe0
mov dword [rsp + 0x40], 0x80
lea r8, [rsp + 0x40]
mov rcx, qword [r13 + 0x188]
lea rdx, [rsp + 0x70]
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x1800e01bb
movzx ebx, r14w
xor r12b, r12b
jmp 0x1800e0300
cmp eax, 0x2740
je 0x1800e03a6
cmp eax, 0xd
jne 0x1800e03c8
inc bx
cmp bx, word [rsp + 0x44]
jbe 0x1800e0300
lea rdx, str.bind___failed__we_ran_out_of_ports
mov rcx, r15
call fcn.1800b9ef0
jmp 0x1800e0649
mov r8d, 0x100
lea rdx, [rbp + 0xb0]
mov ecx, eax
call fcn.1800a60c0
mov r9, rax
movzx r8d, bx
lea rdx, str.bind_port_hu__failed:__s
mov rcx, r15
call fcn.1800b9ef0
jmp 0x1800e0649
cmp bx, word [rsp + 0x44]
ja 0x1800e03b4
mov rcx, qword [rsp + 0x48]
lea r8, [rsp + 0x40]
lea rdx, [rsp + 0x70]
mov dword [rsp + 0x40], 0x80
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x1800e01bb
mov rcx, qword [rsp + 0x48]
lea edx, [rax + 1]
call qword [sym.imp.WS2_32.dll_listen]
test eax, eax
je 0x1800e045e
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp + 0xb0]
mov ecx, eax
call fcn.1800a60c0
mov r8, rax
lea rdx, str.socket_failure:__s
jmp 0x1800e0641
mov r8d, 0x2f
lea rdx, [rbp - 0x10]
mov rcx, rsi
call fcn.1800c4bb0
cmp byte [r13 + 0x2ba], 0
jne 0x1800e048c
cmp byte [r13 + 0x2b4], 0
je 0x1800e048c
mov byte [r13 + 0x2ba], 1
cmp edi, 2
je 0x1800e04e4
movzx eax, word [rsp + 0x70]
cmp byte [r13 + 0x2ba], 0
jne 0x1800e04a4
test edi, edi
je 0x1800e04dd
cmp edi, 1
jne 0x1800e04af
cmp ax, 2
jne 0x1800e04dd
movzx ecx, ax
cmp ecx, 2
je 0x1800e04bc
cmp ecx, 0x17
jne 0x1800e04dd
movzx ecx, word [rsp + 0x72]
call qword [sym.imp.WS2_32.dll_ntohs]
movzx r8d, ax
test edi, edi
je 0x1800e05cd
cmp edi, 1
je 0x1800e052a
movzx eax, word [rsp + 0x70]
inc edi
cmp edi, 2
jne 0x1800e0496
lea rsi, [r13 + 0x590]
lea r9, [rsp + 0x48]
mov dword [rsi + 0x100], edi
mov r8d, 1
mov rdx, r13
mov rcx, r15
call fcn.1800eeb20
mov ebx, eax
test eax, eax
jne 0x1800e064e
mov rax, qword [r15 + 0x20]
mov qword [rsp + 0x48], 0xffffffffffffffff
mov byte [rax + 0x69e], 0x1c
jmp 0x1800e0659
lea r10, [rbp + 0x60]
mov r9d, 0x2c
lea rdx, [rbp - 0x10]
movzx ecx, byte [rdx]
test cl, cl
je 0x1800e0554
cmp cl, 0x2e
mov eax, ecx
cmove eax, r9d
mov byte [r10], al
inc r10
add rdx, 1
jne 0x1800e0538
movzx r9d, r8w
mov edx, reloc.WS2_32.dll_sendto
movzx eax, r9b
lea r8, str.__d__d
shr r9d, 8
mov rcx, r10
mov dword [rsp + 0x20], eax
mov byte [r10], 0
call fcn.1800c0660
lea rax, [rbp + 0x60]
mov rcx, r15
lea rsi, [r13 + 0x590]
mov qword [rsp + 0x20], rax
mov rdx, rsi
lea r9, str.PORT
lea r8, str._s__s
call fcn.1800fb1a0
mov ebx, eax
test eax, eax
je 0x1800e04eb
mov ecx, eax
call fcn.1800a62a0
mov r8, rax
lea rdx, str.Failure_sending_PORT_command:__s
mov rcx, r15
call fcn.1800b9ef0
jmp 0x1800e064e
cmp word [rsp + 0x70], 2
lea rsi, [r13 + 0x590]
movzx eax, r8w
lea r9, str.EPRT
mov dword [rsp + 0x30], eax
lea r8, str._s__d_s_hu
mov ecx, 0
lea rax, [rbp - 0x10]
setne cl
mov qword [rsp + 0x28], rax
inc ecx
mov rdx, rsi
mov dword [rsp + 0x20], ecx
mov rcx, r15
call fcn.1800fb1a0
mov ebx, eax
test eax, eax
je 0x1800e04eb
mov ecx, eax
call fcn.1800a62a0
mov r8, rax
lea rdx, str.Failure_sending_EPRT_command:__s
mov rcx, r15
call fcn.1800b9ef0
jmp 0x1800e064e
mov r8, rbx
lea rdx, str.failed_to_resolve_the_address_provided_to_PORT:__s
mov rcx, r15
call fcn.1800b9ef0
mov ebx, 0x1e
mov rax, qword [r15 + 0x20]
mov byte [rax + 0x69e], 0
mov r8, qword [rsp + 0x48]
mov r14, qword [rsp + 0x6d0]
mov r12, qword [rsp + 0x6d8]
mov rdi, qword [rsp + 0x6e0]
mov rsi, qword [rsp + 0x720]
cmp r8, 0xffffffffffffffff
je 0x1800e068f
mov rdx, r13
mov rcx, r15
call fcn.1800eed30
mov eax, ebx
mov rcx, qword [rbp + 0x5c0]
xor rcx, rsp
call fcn.180118240
add rsp, 0x6e8
pop r15
pop r13
pop rbx
pop rbp
ret