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Add tests for TCP_MD5 getsockopt

Add tests for TCP_MD5 getsockopt for ipv6 and ipv4. These will only run
when the kernel module is loaded, but will be in place if further
regressions are found.

Reviewed by:	rscheff
MFC after:	3 days
Sponsored by:	Klara, Inc.
Differential Revision:	https://reviews.freebsd.org/D35532
main
Claudio Jeker 2 weeks ago committed by Tom Jones
parent
commit
7958889716
  1. 3
      tests/sys/netinet/Makefile
  2. 135
      tests/sys/netinet/tcp_md5_getsockopt.c

3
tests/sys/netinet/Makefile

@ -10,7 +10,8 @@ TESTS_SUBDIRS+= libalias
ATF_TESTS_C= ip_reass_test \
so_reuseport_lb_test \
socket_afinet \
tcp_connect_port_test
tcp_connect_port_test \
tcp_md5_getsockopt
ATF_TESTS_SH= carp fibs fibs_test redirect divert forward output lpm arp
TEST_METADATA.output+= required_programs="python"

135
tests/sys/netinet/tcp_md5_getsockopt.c

@ -0,0 +1,135 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2022, Klara Inc.
* Copyright (c) 2022, Claudio Jeker <claudio@openbsd.org>
*
* 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.
*/
#include <sys/param.h>
#include <sys/linker.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <fcntl.h>
#include <unistd.h>
#include <err.h>
#include <atf-c.h>
void test_tcp_md5_getsockopt(int);
void
test_tcp_md5_getsockopt(int v6)
{
if (kldfind("tcpmd5.ko") == -1)
atf_tc_skip("Test requires the tcpmd5 kernel module to be loaded");
struct sockaddr_in *s;
struct sockaddr_in6 s6 = { 0 };
struct sockaddr_in s4 = { 0 };
socklen_t len;
int csock, ssock, opt;
int pf;
if (v6) {
pf = PF_INET6;
len = sizeof(s6);
s6.sin6_family = pf;
s6.sin6_len = sizeof(s6);
s6.sin6_addr = in6addr_loopback;
s6.sin6_port = 0;
s = (struct sockaddr_in *)&s6;
} else {
pf = PF_INET;
len = sizeof(s4);
s4.sin_family = pf;
s4.sin_len = sizeof(s4);
s4.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
s4.sin_port = 0;
s = &s4;
}
if ((ssock = socket(pf, SOCK_STREAM, 0)) == -1)
atf_tc_fail("creating server socket");
fcntl(ssock, F_SETFL, O_NONBLOCK);
if ((bind(ssock, (struct sockaddr *)s, len) == -1))
atf_tc_fail("binding to localhost");
getsockname(ssock, (struct sockaddr *)s, &len);
listen(ssock, 1);
if ((csock = socket(pf, SOCK_STREAM, 0)) == -1)
atf_tc_fail("creating client socket");
if (connect(csock, (struct sockaddr *)s, len) == -1)
atf_tc_fail("connecting to server instance");
if (getsockopt(csock, IPPROTO_TCP, TCP_MD5SIG, &opt, &len) == -1)
atf_tc_fail("getsockopt");
close(csock);
close(ssock);
atf_tc_pass();
}
ATF_TC(tcp_md5_getsockopt_v4);
ATF_TC_HEAD(tcp_md5_getsockopt_v4, tc)
{
atf_tc_set_md_var(tc, "descr", "Test getsockopt for TCP MD5 SIG (IPv4)");
}
ATF_TC_BODY(tcp_md5_getsockopt_v4, tc)
{
test_tcp_md5_getsockopt(0);
}
ATF_TC(tcp_md5_getsockopt_v6);
ATF_TC_HEAD(tcp_md5_getsockopt_v6, tc)
{
atf_tc_set_md_var(tc, "descr", "Test getsockopt for TCP MD5 SIG (IPv6)");
}
ATF_TC_BODY(tcp_md5_getsockopt_v6, tc)
{
test_tcp_md5_getsockopt(1);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, tcp_md5_getsockopt_v4);
ATF_TP_ADD_TC(tp, tcp_md5_getsockopt_v6);
return atf_no_error();
}
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