79 lines
1.8 KiB
C
79 lines
1.8 KiB
C
/*
|
|
This file is part of libcapwap.
|
|
|
|
libcapwap is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
libcapwap is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Foobar. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <netinet/in.h>
|
|
|
|
#include "sock.h"
|
|
|
|
|
|
/*
|
|
* compare two sockaddrs
|
|
* returns 0 if both addrs are equal
|
|
*
|
|
*/
|
|
|
|
int sock_cmpaddr(const struct sockaddr *addr1, const struct sockaddr *addr2,int cmpport)
|
|
{
|
|
|
|
uint8_t * s1, * s2;
|
|
int p1,p2;
|
|
int slen;
|
|
|
|
if (addr1->sa_family != addr2->sa_family){
|
|
return addr1->sa_family - addr2->sa_family;
|
|
}
|
|
|
|
switch (addr1->sa_family){
|
|
case AF_INET:
|
|
if (cmpport){
|
|
p1 = ((struct sockaddr_in*)addr1)->sin_port;
|
|
p2 = ((struct sockaddr_in*)addr2)->sin_port;
|
|
if (p1!=p2)
|
|
return p1-p2;
|
|
}
|
|
s1 = (uint8_t*)&(((struct sockaddr_in*)addr1)->sin_addr);
|
|
s2 = (uint8_t*)&(((struct sockaddr_in*)addr2)->sin_addr);
|
|
slen = sizeof(struct in_addr);
|
|
break;
|
|
#ifdef WITH_IPV6
|
|
case AF_INET6:
|
|
if (cmpport){
|
|
p1 = ((struct sockaddr_in6*)addr1)->sin6_port;
|
|
p2 = ((struct sockaddr_in6*)addr2)->sin6_port;
|
|
if (p1!=p2)
|
|
return p1-p2;
|
|
}
|
|
s1 = (uint8_t*)&(((struct sockaddr_in6*)addr1)->sin6_addr);
|
|
s2 = (uint8_t*)&(((struct sockaddr_in6*)addr2)->sin6_addr);
|
|
slen = sizeof(struct in6_addr);
|
|
break;
|
|
#endif
|
|
default:
|
|
|
|
return -1;
|
|
}
|
|
|
|
return memcmp(s1,s2,slen);
|
|
|
|
}
|
|
|
|
|
|
|