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/*
** Copyright 1998 - 2000 Double Precision, Inc.
** See COPYING for distribution information.
*/
#include "config.h"
#include "rfc1035.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <errno.h>
#include <string.h>
/*
** We have two socket addresses. Did they come from the same IP
** address?
*/
#if RFC1035_IPV6
int rfc1035_same_ip(const void *a, int al, const void *b, int bl)
{
char bufa[INET6_ADDRSTRLEN];
char bufb[INET6_ADDRSTRLEN];
struct in6_addr in6a;
struct in6_addr in6b;
const char *as, *bs;
if (rfc1035_sockaddrip(a, al, &in6a) ||
rfc1035_sockaddrip(b, bl, &in6b) ||
(as=inet_ntop(AF_INET6, &in6a, bufa, sizeof(bufa))) == 0 ||
(bs=inet_ntop(AF_INET6, &in6b, bufb, sizeof(bufb))) == 0 ||
strcmp(as, bs))
return (0);
return (1);
}
#else
int rfc1035_same_ip(const void *a, int al, const void *b, int bl)
{
if ( ((const struct sockaddr_in *)a)->sin_family != AF_INET ||
((const struct sockaddr_in *)b)->sin_family != AF_INET ||
al < sizeof(struct sockaddr_in) ||
bl < sizeof(struct sockaddr_in))
{
return (0);
}
return ( ((const struct sockaddr_in *)a)->sin_addr.s_addr ==
((const struct sockaddr_in *)b)->sin_addr.s_addr);
}
#endif
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