76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
/*
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This file is part of libcapwap.
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libcapwap is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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libcapwap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <ifaddrs.h>
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#include "sock.h"
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int sock_getifaddr(const char * ifname,int family, int type,struct sockaddr * sa)
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{
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struct ifaddrs *ifap,*ifa;
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if ( getifaddrs(&ifap)==-1)
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return 0;
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int rc=0;
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for (ifa = ifap; ifa != NULL; ifa = ifa->ifa_next) {
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if (strcmp(ifname,ifa->ifa_name))
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continue;
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if (ifa->ifa_addr == NULL)
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continue;
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if (ifa->ifa_addr->sa_family != family)
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continue;
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if (type != 0)
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if (!(ifa->ifa_flags & type))
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continue;
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switch (type){
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case 0:
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memcpy (sa, ifa->ifa_addr, sock_addrlen(ifa->ifa_addr));
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rc=1;
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break;
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case IFF_BROADCAST:
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// memcpy (sa, ifa->ifa_ifu.ifu_broadaddr, sock_addrlen(ifa->ifa_addr));
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memcpy (sa, ifa->ifa_broadaddr, sock_addrlen(ifa->ifa_addr));
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rc=1;
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break;
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default:
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break;
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}
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// rc=1;
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break;
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}
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// printf("safam: %i\n",sa->sa_family);
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freeifaddrs(ifap);
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return rc;
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}
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