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SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
137 lines
3.2 KiB
C++
137 lines
3.2 KiB
C++
/*
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* Copyright (c) 2020, the SerenityOS developers
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Function.h>
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#include <AK/IPv4Address.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <unistd.h>
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static void test_invalid(int);
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static void test_no_route(int);
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static void test_valid(int);
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static void test_send(int);
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static void test(Function<void(int)> test_fn)
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{
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int fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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if (fd < 0) {
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perror("socket");
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return;
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}
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test_fn(fd);
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// be a responsible boi
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close(fd);
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}
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auto main() -> int
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{
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test(test_invalid);
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test(test_valid);
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test(test_no_route);
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test(test_send);
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}
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void test_invalid(int fd)
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{
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// bind to an interface that does not exist
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char buf[IFNAMSIZ];
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socklen_t buflen = IFNAMSIZ;
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memcpy(buf, "foodev", 7);
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if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, buflen) < 0) {
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perror("setsockopt(SO_BINDTODEVICE) :: invalid (Should fail with ENODEV)");
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puts("PASS invalid");
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} else {
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puts("FAIL invalid");
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}
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}
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void test_valid(int fd)
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{
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// bind to an interface that exists
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char buf[IFNAMSIZ];
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socklen_t buflen = IFNAMSIZ;
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memcpy(buf, "loop0", 6);
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if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, buflen) < 0) {
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perror("setsockopt(SO_BINDTODEVICE) :: valid");
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puts("FAIL valid");
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} else {
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puts("PASS valid");
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}
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}
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void test_no_route(int fd)
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{
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// bind to an interface that cannot deliver
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char buf[IFNAMSIZ];
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socklen_t buflen = IFNAMSIZ;
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memcpy(buf, "loop0", 6);
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if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, buflen) < 0) {
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perror("setsockopt(SO_BINDTODEVICE) :: no_route");
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puts("FAIL no_route");
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return;
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}
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sockaddr_in sin;
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memset(&sin, 0, sizeof(sin));
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sin.sin_addr.s_addr = IPv4Address { 10, 0, 2, 15 }.to_u32();
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sin.sin_port = 8080;
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sin.sin_family = AF_INET;
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if (bind(fd, (sockaddr*)&sin, sizeof(sin)) < 0) {
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perror("bind() :: no_route");
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puts("FAIL no_route");
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return;
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}
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if (sendto(fd, "TEST", 4, 0, (sockaddr*)&sin, sizeof(sin)) < 0) {
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perror("sendto() :: no_route (Should fail with EHOSTUNREACH)");
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puts("PASS no_route");
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} else
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puts("FAIL no_route");
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}
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void test_send(int fd)
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{
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// bind to an interface that cannot deliver
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char buf[IFNAMSIZ];
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socklen_t buflen = IFNAMSIZ;
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memcpy(buf, "e1k0", 5);
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if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, buflen) < 0) {
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perror("setsockopt(SO_BINDTODEVICE) :: send");
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puts("FAIL send");
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return;
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}
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sockaddr_in sin;
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memset(&sin, 0, sizeof(sin));
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sin.sin_addr.s_addr = IPv4Address { 10, 0, 2, 15 }.to_u32();
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sin.sin_port = 8080;
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sin.sin_family = AF_INET;
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if (bind(fd, (sockaddr*)&sin, sizeof(sin)) < 0) {
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perror("bind() :: send");
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puts("FAIL send");
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return;
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}
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if (sendto(fd, "TEST", 4, 0, (sockaddr*)&sin, sizeof(sin)) < 0) {
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perror("sendto() :: send");
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puts("FAIL send");
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return;
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}
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puts("PASS send");
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}
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