mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-25 17:10:23 +00:00
77191d82dc
This patch adds a way for a socket to ask to be routed through a specific interface. Currently, this option only applies to sending, however, it should also apply to receiving...somehow :^)
131 lines
3 KiB
C++
131 lines
3 KiB
C++
#include <AK/Function.h>
|
|
#include <AK/IPv4Address.h>
|
|
#include <net/if.h>
|
|
#include <netinet/in.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sys/socket.h>
|
|
|
|
void test_invalid(int);
|
|
void test_no_route(int);
|
|
void test_valid(int);
|
|
void test_send(int);
|
|
|
|
void test(AK::Function<void(int)> test_fn)
|
|
{
|
|
|
|
int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
|
|
if (fd < 0) {
|
|
perror("socket");
|
|
return;
|
|
}
|
|
|
|
test_fn(fd);
|
|
|
|
// be a responsible boi
|
|
close(fd);
|
|
}
|
|
|
|
auto main() -> int
|
|
{
|
|
test(test_invalid);
|
|
test(test_valid);
|
|
test(test_no_route);
|
|
test(test_send);
|
|
}
|
|
|
|
void test_invalid(int fd)
|
|
{
|
|
// bind to an interface that does not exist
|
|
char buf[IFNAMSIZ];
|
|
socklen_t buflen = IFNAMSIZ;
|
|
memcpy(buf, "foodev", 7);
|
|
|
|
if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, buflen) < 0) {
|
|
perror("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, "loop0", 6);
|
|
|
|
if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, buflen) < 0) {
|
|
perror("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, "loop0", 6);
|
|
|
|
if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, buflen) < 0) {
|
|
perror("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;
|
|
|
|
if (bind(fd, (sockaddr*)&sin, sizeof(sin)) < 0) {
|
|
perror("bind() :: no_route");
|
|
puts("FAIL no_route");
|
|
return;
|
|
}
|
|
|
|
if (sendto(fd, "TEST", 4, 0, (sockaddr*)&sin, sizeof(sin)) < 0) {
|
|
perror("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;
|
|
memcpy(buf, "e1k0", 5);
|
|
|
|
if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, buflen) < 0) {
|
|
perror("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;
|
|
|
|
if (bind(fd, (sockaddr*)&sin, sizeof(sin)) < 0) {
|
|
perror("bind() :: send");
|
|
puts("FAIL send");
|
|
return;
|
|
}
|
|
|
|
if (sendto(fd, "TEST", 4, 0, (sockaddr*)&sin, sizeof(sin)) < 0) {
|
|
perror("sendto() :: send");
|
|
puts("FAIL send");
|
|
return;
|
|
}
|
|
puts("PASS send");
|
|
}
|