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