Dmitry V. Levin
7bee462a64
* configure.ac (AC_CHECK_FUNCS): Add inet_pton. * net.c (print_mreq, print_mreq6): New functions. (print_setsockopt): Use them to decode IP_ADD_MEMBERSHIP, IP_DROP_MEMBERSHIP, IPV6_ADD_MEMBERSHIP, IPV6_DROP_MEMBERSHIP, IPV6_JOIN_ANYCAST, and IPV6_LEAVE_ANYCAST. * tests/ip_mreq.c: New file. * tests/ip_mreq.expected: Likewise. * tests/ip_mreq.test: New test. * tests/Makefile.am (check_PROGRAMS): Add ip_mreq. (TESTS): Add ip_mreq.test. (EXTRA_DIST): ip_mreq.expected. * tests/.gitignore: Add ip_mreq. Based on patch by Ben Noordhuis <info@bnoordhuis.nl>.
46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <assert.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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int
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main(void)
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{
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#if defined IP_ADD_MEMBERSHIP && defined IPV6_ADD_MEMBERSHIP \
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&& defined IPV6_JOIN_ANYCAST && defined HAVE_INET_PTON
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struct ip_mreq m4;
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struct ipv6_mreq m6;
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inet_pton(AF_INET, "224.0.0.3", &m4.imr_multiaddr);
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inet_pton(AF_INET, "127.0.0.1", &m4.imr_interface);
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inet_pton(AF_INET6, "ff01::c", &m6.ipv6mr_multiaddr);
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m6.ipv6mr_interface = 1;
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(void) close(0);
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assert(socket(AF_INET, SOCK_DGRAM, 0) == 0);
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assert(setsockopt(0, SOL_IP, IP_ADD_MEMBERSHIP, &m4, 1) == -1);
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assert(setsockopt(0, SOL_IP, IP_DROP_MEMBERSHIP, &m4, 1) == -1);
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assert(setsockopt(0, SOL_IP, IP_ADD_MEMBERSHIP, &m4, sizeof(m4)) == 0);
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assert(setsockopt(0, SOL_IP, IP_DROP_MEMBERSHIP, &m4, sizeof(m4)) == 0);
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assert(setsockopt(0, SOL_IPV6, IPV6_ADD_MEMBERSHIP, &m6, 1) == -1);
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assert(setsockopt(0, SOL_IPV6, IPV6_DROP_MEMBERSHIP, &m6, 1) == -1);
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assert(setsockopt(0, SOL_IPV6, IPV6_ADD_MEMBERSHIP, &m6, sizeof(m6)) == -1);
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assert(setsockopt(0, SOL_IPV6, IPV6_DROP_MEMBERSHIP, &m6, sizeof(m6)) == -1);
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assert(setsockopt(0, SOL_IPV6, IPV6_JOIN_ANYCAST, &m6, 1) == -1);
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assert(setsockopt(0, SOL_IPV6, IPV6_LEAVE_ANYCAST, &m6, 1) == -1);
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assert(setsockopt(0, SOL_IPV6, IPV6_JOIN_ANYCAST, &m6, sizeof(m6)) == -1);
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assert(setsockopt(0, SOL_IPV6, IPV6_LEAVE_ANYCAST, &m6, sizeof(m6)) == -1);
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return 0;
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#else
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return 77;
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#endif
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}
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