55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/* $Id: testgetifaddr.c,v 1.7 2013/04/27 15:38:57 nanard Exp $ */
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/* MiniUPnP project
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* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
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* (c) 2006-2014 Thomas Bernard
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* This software is subject to the conditions detailed
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* in the LICENCE file provided within the distribution */
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#include <stdio.h>
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#include <syslog.h>
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#include <sys/types.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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#include "config.h"
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#include "getifaddr.h"
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#if defined(__sun)
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/* solaris 10 does not define LOG_PERROR */
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#define LOG_PERROR 0
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#endif
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int main(int argc, char * * argv) {
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char str_addr[64];
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struct in_addr addr;
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struct in_addr mask;
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#ifdef ENABLE_IPV6
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int r;
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char str_addr6[64];
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#endif
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if(argc < 2) {
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fprintf(stderr, "Usage:\t%s interface_name\n", argv[0]);
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return 1;
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}
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openlog("testgetifaddr", LOG_CONS|LOG_PERROR, LOG_USER);
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if(getifaddr(argv[1], str_addr, sizeof(str_addr), &addr, &mask) < 0) {
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fprintf(stderr, "Cannot get address for interface %s.\n", argv[1]);
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return 1;
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}
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printf("Interface %s has IP address %s.\n", argv[1], str_addr);
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printf("addr=%s ", inet_ntoa(addr));
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printf("mask=%s\n", inet_ntoa(mask));
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#ifdef ENABLE_IPV6
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r = find_ipv6_addr(argv[1], str_addr6, sizeof(str_addr6));
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if(r < 0) {
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fprintf(stderr, "find_ipv6_addr() failed\n");
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return 1;
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} else if(r == 0) {
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printf("Interface %s has no IPv6 address.\n", argv[1]);
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} else {
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printf("Interface %s has IPv6 address %s.\n", argv[1], str_addr6);
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}
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#endif
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return 0;
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}
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