ladybird/Userland/Utilities/test-bindtodevice.cpp
Kenneth Myhra b47a9ab4dc test-bindtodevice: Port to LibMain
This ports 'test-bindtodevice' to LibMain and convert the local 'test'
function to return ErrorOr<T>.
2022-03-29 21:28:29 -07:00

146 lines
3.9 KiB
C++

/*
* Copyright (c) 2020-2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Function.h>
#include <AK/IPv4Address.h>
#include <LibCore/System.h>
#include <LibMain/Main.h>
#include <net/if.h>
#include <netinet/in.h>
#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
static void test_invalid(int);
static void test_no_route(int);
static void test_valid(int);
static void test_send(int);
static ErrorOr<void> test(Function<void(int)> test_fn)
{
auto fd = TRY(Core::System::socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP));
test_fn(fd);
// be a responsible boi
TRY(Core::System::close(fd));
return {};
}
ErrorOr<int> serenity_main(Main::Arguments)
{
TRY(test(test_invalid));
TRY(test(test_valid));
TRY(test(test_no_route));
TRY(test(test_send));
return 0;
}
void test_invalid(int fd)
{
// bind to an interface that does not exist
char buf[IFNAMSIZ];
socklen_t buflen = IFNAMSIZ;
memcpy(buf, "foodev", 7);
auto setsockopt_maybe_error = Core::System::setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, buflen);
if (setsockopt_maybe_error.is_error()) {
warnln("setsockopt(SO_BINDTODEVICE) :: invalid (Should fail with ENODEV).");
puts("PASS invalid");
} else {
puts("FAIL invalid");
}
}
void test_valid(int fd)
{
// bind to an interface that exists
char buf[IFNAMSIZ];
socklen_t buflen = IFNAMSIZ;
memcpy(buf, "loop", 5);
auto setsockopt_maybe_error = Core::System::setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, buflen);
if (setsockopt_maybe_error.is_error()) {
warnln("setsockopt(SO_BINDTODEVICE) :: valid");
puts("FAIL valid");
} else {
puts("PASS valid");
}
}
void test_no_route(int fd)
{
// bind to an interface that cannot deliver
char buf[IFNAMSIZ];
socklen_t buflen = IFNAMSIZ;
memcpy(buf, "loop", 5);
auto setsockopt_maybe_error = Core::System::setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, buflen);
if (setsockopt_maybe_error.is_error()) {
warnln("setsockopt(SO_BINDTODEVICE) :: no_route");
puts("FAIL no_route");
return;
}
sockaddr_in sin;
memset(&sin, 0, sizeof(sin));
sin.sin_addr.s_addr = IPv4Address { 10, 0, 2, 15 }.to_u32();
sin.sin_port = 8080;
sin.sin_family = AF_INET;
auto bind_maybe_error = Core::System::bind(fd, (sockaddr*)&sin, sizeof(sin));
if (bind_maybe_error.is_error()) {
warnln("bind() :: no_route");
puts("FAIL no_route");
return;
}
auto sendto_maybe_error = Core::System::sendto(fd, "TEST", 4, 0, (sockaddr*)&sin, sizeof(sin));
if (sendto_maybe_error.is_error()) {
warnln("sendto() :: no_route (Should fail with EHOSTUNREACH)");
puts("PASS no_route");
} else
puts("FAIL no_route");
}
void test_send(int fd)
{
// bind to an interface that cannot deliver
char buf[IFNAMSIZ];
socklen_t buflen = IFNAMSIZ;
// FIXME: Look up the proper device name instead of hard-coding it
memcpy(buf, "ep0s7", 6);
auto setsockopt_maybe_error = Core::System::setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, buflen);
if (setsockopt_maybe_error.is_error()) {
warnln("setsockopt(SO_BINDTODEVICE) :: send");
puts("FAIL send");
return;
}
sockaddr_in sin;
memset(&sin, 0, sizeof(sin));
sin.sin_addr.s_addr = IPv4Address { 10, 0, 2, 15 }.to_u32();
sin.sin_port = 8080;
sin.sin_family = AF_INET;
auto bind_maybe_error = Core::System::bind(fd, (sockaddr*)&sin, sizeof(sin));
if (bind_maybe_error.is_error()) {
warnln("bind() :: send");
puts("FAIL send");
return;
}
auto sendto_maybe_error = Core::System::sendto(fd, "TEST", 4, 0, (sockaddr*)&sin, sizeof(sin));
if (sendto_maybe_error.is_error()) {
warnln("sendto() :: send");
puts("FAIL send");
return;
}
puts("PASS send");
}