167 lines
4.1 KiB
C
167 lines
4.1 KiB
C
/*-
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* Copyright (c) 2010-2011 Juniper Networks, Inc.
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* All rights reserved.
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*
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* This software was developed by Robert N. M. Watson under contract
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* to Juniper Networks, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* This is a test tool for IP divert sockets. For the time being, it just
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* exercise creation and binding of sockets, rather than their divert
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* behaviour. It would be highly desirable to broaden this test tool to
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* include packet injection and diversion.
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*/
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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static void
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ok(const char *test)
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{
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fprintf(stderr, "%s: OK\n", test);
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}
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static void
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fail(const char *test, const char *note)
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{
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fprintf(stderr, "%s - %s: FAIL (%s)\n", test, note, strerror(errno));
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exit(1);
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}
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static void
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failx(const char *test, const char *note)
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{
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fprintf(stderr, "%s - %s: FAIL\n", test, note);
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exit(1);
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}
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static int
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ipdivert_create(const char *test)
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{
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int s;
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s = socket(PF_DIVERT, SOCK_RAW, 0);
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if (s < 0)
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fail(test, "socket");
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return (s);
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}
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static void
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ipdivert_close(const char *test, int s)
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{
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if (close(s) < 0)
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fail(test, "close");
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}
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static void
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ipdivert_bind(const char *test, int s, u_short port, int expect)
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{
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struct sockaddr_in sin;
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int err;
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bzero(&sin, sizeof(sin));
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sin.sin_family = AF_INET;
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sin.sin_addr.s_addr = htonl(INADDR_ANY);
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sin.sin_port = htons(port);
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err = bind(s, (struct sockaddr *)&sin, sizeof(sin));
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if (err < 0) {
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if (expect == 0)
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fail(test, "bind");
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if (errno != expect)
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fail(test, "bind");
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} else {
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if (expect != 0)
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failx(test, "bind");
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}
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}
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int
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main(int argc, char *argv[])
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{
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const char *test;
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int s1, s2;
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/*
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* First test: create and close an IP divert socket.
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*/
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test = "create_close";
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s1 = ipdivert_create(test);
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ipdivert_close(test, s1);
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ok(test);
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/*
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* Second test: create, bind, and close an IP divert socket.
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*/
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test = "create_bind_close";
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s1 = ipdivert_create(test);
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ipdivert_bind(test, s1, 1000, 0);
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ipdivert_close(test, s1);
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ok(test);
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/*
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* Third test: create two sockets, bind to different ports, and close.
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* This should succeed due to non-conflict on the port numbers.
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*/
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test = "create2_bind2_close2";
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s1 = ipdivert_create(test);
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s2 = ipdivert_create(test);
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ipdivert_bind(test, s1, 1000, 0);
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ipdivert_bind(test, s2, 1001, 0);
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ipdivert_close(test, s1);
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ipdivert_close(test, s2);
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ok(test);
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/*
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* Fourth test: create two sockets, bind to the *same* port, and
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* close. This should fail due to conflicting port numbers.
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*/
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test = "create2_bind2_conflict_close2";
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s1 = ipdivert_create(test);
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s2 = ipdivert_create(test);
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ipdivert_bind(test, s1, 1000, 0);
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ipdivert_bind(test, s2, 1000, EADDRINUSE);
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ipdivert_close(test, s1);
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ipdivert_close(test, s2);
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ok(test);
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return (0);
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}
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