Function at 0x18018fc20
Capabilities:
Convert ip address from string
Get local ipv4 addresses
Get socket information

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x590]
sub rsp, 0x690
mov rax, qword [0x180255300]
xor rax, rsp
mov qword [rbp + 0x580], rax
mov rbx, qword [rcx + 0x7f8]
xor r13d, r13d
mov r15, qword [rcx + 0x18]
xor eax, eax
mov qword [rsp + 0x48], 0xffffffffffffffff
xorps xmm0, xmm0
mov qword [rbp + 0x10], rax
mov edi, edx
mov dword [rbp + 0x18], eax
mov r14, rcx
mov word [rbp + 0x1c], ax
mov r12d, r13d
mov byte [rbp + 0x1e], al
mov qword [rsp + 0x60], r13
mov qword [rsp + 0x58], r13
mov word [rsp + 0x54], r13w
mov word [rsp + 0x50], r13w
movups xmmword [rbp - 0x10], xmm0
movups xmmword [rbp], xmm0
test rbx, rbx
je 0x18018ffae
mov rax, 0xffffffffffffffff
inc rax
cmp byte [rbx + rax], r12b
jne 0x18018fcb0
cmp rax, 1
jbe 0x18018ffae
mov rax, 0xffffffffffffffff
nop word [rax + rax]
inc rax
cmp byte [rbx + rax], r12b
jne 0x18018fcd0
cmp rax, 0x41
jae 0x18018fce6
mov ecx, 0x41
jmp 0x18018fcf9
mov rcx, 0xffffffffffffffff
nop dword [rax]
inc rcx
cmp byte [rbx + rcx], r12b
jne 0x18018fcf0
inc rcx
lea r9, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_ftp.c
mov edx, 1
mov r8d, 0x3c7
call fcn.18016c410
mov r12, rax
test rax, rax
jne 0x18018fd25
lea eax, [r12 + 0x1b]
jmp 0x18019049a
movzx eax, byte [rbx]
cmp al, 0x5b
jne 0x18018fd63
mov edx, 0x5d
lea r13, [rbx + 1]
mov rcx, rbx
call sub.VCRUNTIME140.dll_strchr
mov rsi, rax
test rax, rax
je 0x18018fd5b
mov r8, rax
mov rdx, r13
sub r8, r13
mov rcx, r12
call sub.api_ms_win_crt_string_l1_1_0.dll_strncpy
xor r13d, r13d
jmp 0x18018fdd7
xor r13d, r13d
jmp 0x18018fe50
cmp al, 0x3a
jne 0x18018fd6c
mov rsi, rbx
jmp 0x18018fdd7
mov edx, 0x3a
mov rcx, rbx
call sub.VCRUNTIME140.dll_strchr
mov rsi, rax
test rax, rax
je 0x18018fe3c
lea r8, [rsp + 0x70]
mov rdx, rbx
mov ecx, reloc.WS2_32.dll_socket
call qword [sym.imp.WS2_32.dll_inet_pton]
mov rcx, r12
cmp eax, 1
jne 0x18018fdc9
sub rcx, rbx
nop dword [rax]
nop word [rax + rax]
movzx eax, byte [rbx]
mov byte [rcx + rbx], al
lea rbx, [rbx + 1]
test al, al
jne 0x18018fdb0
mov ebx, r13d
mov eax, r13d
jmp 0x18018fe58
mov r8, rsi
mov rdx, rbx
sub r8, rbx
call sub.api_ms_win_crt_string_l1_1_0.dll_strncpy
mov edx, 0x3a
mov rcx, rsi
call sub.VCRUNTIME140.dll_strchr
mov rsi, rax
movzx ebx, r13w
movzx eax, r13w
test rsi, rsi
je 0x18018fe58
xor edx, edx
lea rcx, [rsi + 1]
lea r8d, [rdx + 0xa]
call sub.api_ms_win_crt_convert_l1_1_0.dll_strtoul
mov ecx, eax
call fcn.180169e40
mov edx, 0x2d
mov rcx, rsi
movzx ebx, ax
call sub.VCRUNTIME140.dll_strchr
test rax, rax
je 0x18018fe37
xor edx, edx
lea rcx, [rax + 1]
lea r8d, [rdx + 0xa]
call sub.api_ms_win_crt_convert_l1_1_0.dll_strtoul
mov ecx, eax
call fcn.180169e40
jmp 0x18018fe58
movzx eax, bx
jmp 0x18018fe58
mov rcx, r12
sub rcx, rbx
movzx eax, byte [rbx]
mov byte [rcx + rbx], al
lea rbx, [rbx + 1]
test al, al
jne 0x18018fe42
movzx eax, r13w
movzx ebx, r13w
cmp bx, ax
cmovbe r13w, ax
xor esi, esi
cmp bx, ax
mov dword [rsp + 0x50], r13d
cmovbe si, bx
cmp byte [r12], 0
mov dword [rsp + 0x54], esi
je 0x18018ffa5
mov rcx, qword [r15 + 0x70]
mov rcx, qword [rcx + 0x20]
call fcn.1801994b0
mov r8d, dword [r15 + 0x88]
lea rcx, [rbp + 0x170]
mov edx, eax
mov dword [rsp + 0x28], 0x401
mov rax, qword [r15 + 0x70]
mov r9, r12
mov qword [rsp + 0x20], rcx
mov ecx, dword [rax + 4]
call fcn.180052940
test eax, eax
je 0x18018fed1
sub eax, 1
je 0x180190495
cmp eax, 1
jne 0x18018fed6
lea rbx, [rbp + 0x170]
jmp 0x18018fedb
mov rbx, r12
jmp 0x18018fedb
mov rbx, qword [rsp + 0x60]
test rbx, rbx
je 0x18018ffae
mov r13b, 1
lea rax, [rsp + 0x58]
xor r9d, r9d
xor r8d, r8d
mov qword [rsp + 0x20], rax
mov rdx, rbx
mov rcx, r14
call fcn.180172680
cmp eax, 1
jne 0x18018ff14
lea rdx, [rsp + 0x58]
mov rcx, r14
call fcn.18015aec0
mov rdx, qword [rsp + 0x58]
test rdx, rdx
je 0x18019046f
mov rsi, qword [rdx]
mov rcx, r14
call fcn.180172b60
test rsi, rsi
je 0x18019046f
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_ftp.c
mov edx, 0x448
mov rcx, r12
call fcn.18016c5e0
nop word [rax + rax]
lea r9, [rsp + 0x48]
xor r8d, r8d
mov rdx, rsi
mov rcx, r14
call fcn.180168a40
mov r12d, eax
test eax, eax
je 0x18019004d
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov rsi, qword [rsi + 0x28]
test rsi, rsi
jne 0x18018ff50
mov r8d, 0x100
lea rdx, [rbp + 0x70]
mov ecx, eax
call fcn.18017ceb0
mov r8, rax
lea rdx, str.socket_failure:__s
mov rcx, r14
call fcn.1801671c0
jmp 0x180190495
mov dword [rsp + 0x54], esi
mov dword [rsp + 0x50], r13d
mov dword [rsp + 0x40], 0x80
lea r8, [rsp + 0x40]
mov rcx, qword [r15 + 0x1e8]
lea rdx, [rsp + 0x70]
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
je 0x180190004
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp + 0x70]
mov ecx, eax
call fcn.18017ceb0
mov r8, rax
lea rdx, str.getsockname___failed:__s
mov rcx, r14
call fcn.1801671c0
mov edx, 0x422
jmp 0x180190486
movzx eax, word [rsp + 0x70]
cmp ax, 0x17
je 0x180190016
lea rdx, [rsp + 0x74]
jmp 0x180190020
lea rdx, [rsp + 0x78]
mov eax, reloc.WS2_32.dll_socket
movzx ecx, ax
lea r8, [rbp + 0x170]
mov r9d, 0x401
call fcn.180199570
test rax, rax
je 0x180190495
lea rbx, [rbp + 0x170]
xor r13b, r13b
jmp 0x18018fee7
movsxd r8, dword [rsi + 0x10]
lea rcx, [rsp + 0x70]
mov rdx, qword [rsi + 0x20]
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [rsi + 0x10]
mov dword [rsp + 0x40], eax
mov eax, dword [rsp + 0x54]
movzx ebx, ax
cmp ax, word [rsp + 0x50]
ja 0x18019012e
nop dword [rax + rax]
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 0x1801901cc
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
test r13b, r13b
je 0x180190114
cmp eax, 0x2741
jne 0x180190114
mov r8d, 0x100
lea rdx, [rbp + 0x70]
mov ecx, eax
call fcn.18017ceb0
mov r9, rax
movzx r8d, bx
lea rdx, str.bind_port_hu__on_non_local_address_failed:__s
mov rcx, r14
call fcn.180167330
mov dword [rsp + 0x40], 0x80
lea r8, [rsp + 0x40]
mov rcx, qword [r15 + 0x1e8]
lea rdx, [rsp + 0x70]
call qword [sym.imp.WS2_32.dll_getsockname]
test eax, eax
jne 0x180190152
movzx ebx, word [rsp + 0x54]
xor r13b, r13b
jmp 0x180190080
cmp eax, 0x2740
je 0x180190120
cmp eax, 0xd
jne 0x180190190
inc bx
cmp bx, word [rsp + 0x50]
jbe 0x180190080
lea rdx, str.bind___failed__we_ran_out_of_ports_
mov rcx, r14
call fcn.1801671c0
mov r8, qword [rsp + 0x48]
mov rdx, r15
mov rcx, r14
call fcn.180167be0
jmp 0x180190495
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp + 0x70]
mov ecx, eax
call fcn.18017ceb0
lea rdx, str.getsockname___failed:__s
mov r8, rax
mov rcx, r14
call fcn.1801671c0
mov r8, qword [rsp + 0x48]
mov rdx, r15
mov rcx, r14
call fcn.180167be0
jmp 0x180190495
mov r8d, 0x100
lea rdx, [rbp + 0x70]
mov ecx, eax
call fcn.18017ceb0
mov r9, rax
movzx r8d, bx
lea rdx, str.bind_port_hu__failed:__s
mov rcx, r14
call fcn.1801671c0
mov r8, qword [rsp + 0x48]
mov rdx, r15
mov rcx, r14
call fcn.180167be0
jmp 0x180190495
cmp bx, word [rsp + 0x50]
ja 0x18019012e
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 0x180190152
mov rcx, qword [rsp + 0x48]
lea edx, [rax + 1]
call qword [sym.imp.WS2_32.dll_listen]
test eax, eax
je 0x180190231
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp + 0x70]
mov ecx, eax
call fcn.18017ceb0
lea rdx, str.socket_failure:__s
jmp 0x180190170
mov r8d, 0x2f
lea rdx, [rbp - 0x10]
mov rcx, rsi
call fcn.180172640
cmp byte [r15 + 0x3e0], 0
jne 0x18019025f
cmp byte [r15 + 0x3d9], 0
je 0x18019025f
mov byte [r15 + 0x3e0], 1
cmp edi, 2
je 0x1801902be
movzx eax, word [rsp + 0x70]
nop dword [rax]
cmp byte [r15 + 0x3e0], 0
jne 0x18019027e
test edi, edi
je 0x1801902b7
cmp edi, 1
jne 0x180190289
cmp ax, 2
jne 0x1801902b7
movzx ecx, ax
cmp ecx, 2
je 0x180190296
cmp ecx, 0x17
jne 0x1801902b7
movzx ecx, word [rsp + 0x72]
call qword [sym.imp.WS2_32.dll_ntohs]
movzx r8d, ax
test edi, edi
je 0x1801903dc
cmp edi, 1
je 0x180190328
movzx eax, word [rsp + 0x70]
inc edi
cmp edi, 2
jne 0x180190270
lea rbx, [r15 + 0x700]
mov dword [rbx + 0xc4], edi
mov r8, qword [r15 + 0x1f0]
cmp r8, 0xffffffffffffffff
je 0x1801902ee
mov rdx, r15
mov rcx, r14
call fcn.180167be0
mov qword [r15 + 0x1f0], 0xffffffffffffffff
mov byte [r15 + 0x3c9], 0
mov byte [r15 + 0x3cb], 0
mov rax, qword [rsp + 0x48]
mov qword [r15 + 0x1f0], rax
mov byte [r15 + 0x3c9], 1
mov rax, qword [r14 + 0x18]
mov dword [rax + 0x7d0], 0x1c
mov eax, r12d
jmp 0x18019049a
lea r10, [rbp + 0x20]
mov r9d, 0x2c
lea rdx, [rbp - 0x10]
movzx ecx, byte [rdx]
test cl, cl
je 0x180190352
cmp cl, 0x2e
mov eax, ecx
cmove eax, r9d
mov byte [r10], al
inc r10
add rdx, 1
jne 0x180190336
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.18017b290
lea rax, [rbp + 0x20]
mov rcx, r14
lea rbx, [r15 + 0x700]
mov qword [rsp + 0x20], rax
mov rdx, rbx
lea r9, str.PORT
lea r8, str._s__s
call fcn.1801a4650
mov r12d, eax
test eax, eax
je 0x1801902c5
mov ecx, eax
call fcn.18017d090
mov r8, rax
lea rdx, str.Failure_sending_PORT_command:__s
mov rcx, r14
call fcn.1801671c0
mov r8, qword [rsp + 0x48]
mov rdx, r15
mov rcx, r14
call fcn.180167be0
jmp 0x18019045c
xor ecx, ecx
movzx eax, r8w
cmp word [rsp + 0x70], 2
lea rbx, [r15 + 0x700]
mov dword [rsp + 0x30], eax
lea r9, str.EPRT
setne cl
lea rax, [rbp - 0x10]
inc ecx
mov qword [rsp + 0x28], rax
mov dword [rsp + 0x20], ecx
lea r8, str._s__d_s_hu
mov rcx, r14
mov rdx, rbx
call fcn.1801a4650
mov r12d, eax
test eax, eax
je 0x1801902c5
mov ecx, eax
call fcn.18017d090
mov r8, rax
lea rdx, str.Failure_sending_EPRT_command:__s
mov rcx, r14
call fcn.1801671c0
mov r8, qword [rsp + 0x48]
mov rdx, r15
mov rcx, r14
call fcn.180167be0
mov dword [rbx + 0xc4], 1
mov rax, qword [r14 + 0x18]
mov dword [rax + 0x7d0], 0
mov eax, r12d
jmp 0x18019049a
mov r8, rbx
lea rdx, str.failed_to_resolve_the_address_provided_to_PORT:__s
mov rcx, r14
call fcn.1801671c0
mov edx, 0x444
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_ftp.c
mov rcx, r12
call fcn.18016c5e0
mov eax, 0x1e
mov rcx, qword [rbp + 0x580]
xor rcx, rsp
call fcn.1801adea0
mov rbx, qword [rsp + 0x6e0]
add rsp, 0x690
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret