/* * Copyright (c) 2015-2016 Dmitry V. Levin * Copyright (c) 2015-2018 The strace developers. * All rights reserved. * * 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. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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 "tests.h" #include #if defined IP_ADD_MEMBERSHIP && defined IPV6_ADD_MEMBERSHIP \ && defined IPV6_JOIN_ANYCAST # include # include # include # include # include # include #define multi4addr "224.0.0.3" #define multi6addr "ff01::c" #define interface "127.0.0.1" int main(void) { TAIL_ALLOC_OBJECT_CONST_PTR(struct ip_mreq, m4); TAIL_ALLOC_OBJECT_CONST_PTR(struct ipv6_mreq, m6); unsigned int i; int rc; inet_pton(AF_INET, multi4addr, &m4->imr_multiaddr); inet_pton(AF_INET, interface, &m4->imr_interface); inet_pton(AF_INET6, multi6addr, &m6->ipv6mr_multiaddr); m6->ipv6mr_interface = ifindex_lo(); if (!m6->ipv6mr_interface) perror_msg_and_skip("lo"); (void) close(0); if (socket(AF_INET, SOCK_DGRAM, 0)) perror_msg_and_skip("socket"); struct { const int level; const char *const str_level; const int name; const char *str_name; const void *const val; unsigned int size; const char *const addr; } opts[] = { { ARG_STR(SOL_IP), ARG_STR(IP_ADD_MEMBERSHIP), m4, sizeof(*m4), "{imr_multiaddr=inet_addr(\"" multi4addr "\"), imr_interface=inet_addr(\"" interface "\")}" }, { ARG_STR(SOL_IP), ARG_STR(IP_DROP_MEMBERSHIP), m4, sizeof(*m4), "{imr_multiaddr=inet_addr(\"" multi4addr "\"), imr_interface=inet_addr(\"" interface "\")}" }, { ARG_STR(SOL_IPV6), ARG_STR(IPV6_ADD_MEMBERSHIP), m6, sizeof(*m6), "{inet_pton(AF_INET6, \"" multi6addr "\", &ipv6mr_multiaddr)" ", ipv6mr_interface=" IFINDEX_LO_STR "}" }, { ARG_STR(SOL_IPV6), ARG_STR(IPV6_DROP_MEMBERSHIP), m6, sizeof(*m6), "{inet_pton(AF_INET6, \"" multi6addr "\", &ipv6mr_multiaddr)" ", ipv6mr_interface=" IFINDEX_LO_STR "}" }, { ARG_STR(SOL_IPV6), ARG_STR(IPV6_JOIN_ANYCAST), m6, sizeof(*m6), "{inet_pton(AF_INET6, \"" multi6addr "\", &ipv6mr_multiaddr)" ", ipv6mr_interface=" IFINDEX_LO_STR "}" }, { ARG_STR(SOL_IPV6), ARG_STR(IPV6_LEAVE_ANYCAST), m6, sizeof(*m6), "{inet_pton(AF_INET6, \"" multi6addr "\", &ipv6mr_multiaddr)" ", ipv6mr_interface=" IFINDEX_LO_STR "}" } }; for (i = 0; i < ARRAY_SIZE(opts); ++i) { /* optlen < 0, EINVAL */ rc = setsockopt(0, opts[i].level, opts[i].name, opts[i].val, -1); printf("setsockopt(0, %s, %s, %p, -1) = %s\n", opts[i].str_level, opts[i].str_name, opts[i].val, sprintrc(rc)); /* optlen < sizeof(struct), EINVAL */ rc = setsockopt(0, opts[i].level, opts[i].name, opts[i].val, opts[i].size - 1); printf("setsockopt(0, %s, %s, %p, %u) = %s\n", opts[i].str_level, opts[i].str_name, opts[i].val, opts[i].size - 1, sprintrc(rc)); /* optval EFAULT */ rc = setsockopt(0, opts[i].level, opts[i].name, opts[i].val + 1, opts[i].size); printf("setsockopt(0, %s, %s, %p, %u) = %s\n", opts[i].str_level, opts[i].str_name, opts[i].val + 1, opts[i].size, sprintrc(rc)); /* classic */ rc = setsockopt(0, opts[i].level, opts[i].name, opts[i].val, opts[i].size); printf("setsockopt(0, %s, %s, %s, %u) = %s\n", opts[i].str_level, opts[i].str_name, opts[i].addr, opts[i].size, sprintrc(rc)); /* optlen > sizeof(struct), shortened */ rc = setsockopt(0, opts[i].level, opts[i].name, opts[i].val, INT_MAX); printf("setsockopt(0, %s, %s, %s, %u) = %s\n", opts[i].str_level, opts[i].str_name, opts[i].addr, INT_MAX, sprintrc(rc)); } puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("IP_ADD_MEMBERSHIP && IPV6_ADD_MEMBERSHIP" " && IPV6_JOIN_ANYCAST") #endif