Dmitry V. Levin
c6782f144a
strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
144 lines
3.7 KiB
C
144 lines
3.7 KiB
C
/*
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* Copyright (c) 2015-2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2015-2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include <netinet/in.h>
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#if defined IP_ADD_MEMBERSHIP && defined IPV6_ADD_MEMBERSHIP \
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&& defined IPV6_JOIN_ANYCAST
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# include <limits.h>
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# include <stdio.h>
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# include <unistd.h>
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# include <sys/socket.h>
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# include <arpa/inet.h>
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# include <net/if.h>
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#define multi4addr "224.0.0.3"
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#define multi6addr "ff01::c"
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#define interface "127.0.0.1"
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int
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main(void)
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{
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TAIL_ALLOC_OBJECT_CONST_PTR(struct ip_mreq, m4);
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TAIL_ALLOC_OBJECT_CONST_PTR(struct ipv6_mreq, m6);
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unsigned int i;
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int rc;
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inet_pton(AF_INET, multi4addr, &m4->imr_multiaddr);
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inet_pton(AF_INET, interface, &m4->imr_interface);
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inet_pton(AF_INET6, multi6addr, &m6->ipv6mr_multiaddr);
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m6->ipv6mr_interface = ifindex_lo();
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if (!m6->ipv6mr_interface)
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perror_msg_and_skip("lo");
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(void) close(0);
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if (socket(AF_INET, SOCK_DGRAM, 0))
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perror_msg_and_skip("socket");
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struct {
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const int level;
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const char *const str_level;
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const int name;
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const char *str_name;
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const void *const val;
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unsigned int size;
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const char *const addr;
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} opts[] = {
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{
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ARG_STR(SOL_IP), ARG_STR(IP_ADD_MEMBERSHIP),
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m4, sizeof(*m4),
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"{imr_multiaddr=inet_addr(\"" multi4addr
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"\"), imr_interface=inet_addr(\"" interface "\")}"
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},
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{
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ARG_STR(SOL_IP), ARG_STR(IP_DROP_MEMBERSHIP),
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m4, sizeof(*m4),
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"{imr_multiaddr=inet_addr(\"" multi4addr
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"\"), imr_interface=inet_addr(\"" interface "\")}"
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},
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{
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ARG_STR(SOL_IPV6), ARG_STR(IPV6_ADD_MEMBERSHIP),
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m6, sizeof(*m6),
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"{inet_pton(AF_INET6, \"" multi6addr
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"\", &ipv6mr_multiaddr)"
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", ipv6mr_interface=" IFINDEX_LO_STR "}"
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},
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{
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ARG_STR(SOL_IPV6), ARG_STR(IPV6_DROP_MEMBERSHIP),
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m6, sizeof(*m6),
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"{inet_pton(AF_INET6, \"" multi6addr
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"\", &ipv6mr_multiaddr)"
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", ipv6mr_interface=" IFINDEX_LO_STR "}"
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},
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{
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ARG_STR(SOL_IPV6), ARG_STR(IPV6_JOIN_ANYCAST),
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m6, sizeof(*m6),
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"{inet_pton(AF_INET6, \"" multi6addr
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"\", &ipv6mr_multiaddr)"
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", ipv6mr_interface=" IFINDEX_LO_STR "}"
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},
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{
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ARG_STR(SOL_IPV6), ARG_STR(IPV6_LEAVE_ANYCAST),
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m6, sizeof(*m6),
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"{inet_pton(AF_INET6, \"" multi6addr
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"\", &ipv6mr_multiaddr)"
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", ipv6mr_interface=" IFINDEX_LO_STR "}"
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}
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};
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for (i = 0; i < ARRAY_SIZE(opts); ++i) {
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/* optlen < 0, EINVAL */
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rc = setsockopt(0, opts[i].level, opts[i].name,
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opts[i].val, -1);
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printf("setsockopt(0, %s, %s, %p, -1) = %s\n",
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opts[i].str_level, opts[i].str_name,
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opts[i].val, sprintrc(rc));
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/* optlen < sizeof(struct), EINVAL */
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rc = setsockopt(0, opts[i].level, opts[i].name,
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opts[i].val, opts[i].size - 1);
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printf("setsockopt(0, %s, %s, %p, %u) = %s\n",
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opts[i].str_level, opts[i].str_name,
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opts[i].val, opts[i].size - 1, sprintrc(rc));
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/* optval EFAULT */
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rc = setsockopt(0, opts[i].level, opts[i].name,
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opts[i].val + 1, opts[i].size);
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printf("setsockopt(0, %s, %s, %p, %u) = %s\n",
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opts[i].str_level, opts[i].str_name,
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opts[i].val + 1, opts[i].size, sprintrc(rc));
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/* classic */
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rc = setsockopt(0, opts[i].level, opts[i].name,
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opts[i].val, opts[i].size);
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printf("setsockopt(0, %s, %s, %s, %u) = %s\n",
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opts[i].str_level, opts[i].str_name,
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opts[i].addr, opts[i].size, sprintrc(rc));
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/* optlen > sizeof(struct), shortened */
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rc = setsockopt(0, opts[i].level, opts[i].name,
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opts[i].val, INT_MAX);
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printf("setsockopt(0, %s, %s, %s, %u) = %s\n",
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opts[i].str_level, opts[i].str_name,
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opts[i].addr, INT_MAX, sprintrc(rc));
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}
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puts("+++ exited with 0 +++");
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return 0;
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}
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#else
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SKIP_MAIN_UNDEFINED("IP_ADD_MEMBERSHIP && IPV6_ADD_MEMBERSHIP"
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" && IPV6_JOIN_ANYCAST")
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#endif
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