/* int
* res_isourserver(ina)
* looks up "ina" in _res.ns_addr_list[]
* returns:
* 0 : not found
* >0 : found
* author:
* paul vixie, 29may94
*/
int
res_ourserver_p(const res_state statp, const struct sockaddr_in6 *inp)
{
int ns;
if (inp->sin6_family == AF_INET) {
struct sockaddr_in *in4p = (struct sockaddr_in *) inp;
in_port_t port = in4p->sin_port;
in_addr_t addr = in4p->sin_addr.s_addr;
for (ns = 0; ns < statp->nscount; ns++) {
const struct sockaddr_in *srv =
(struct sockaddr_in *) get_nsaddr (statp, ns);
if ((srv->sin_family == AF_INET) &&
(srv->sin_port == port) &&
(srv->sin_addr.s_addr == INADDR_ANY ||
srv->sin_addr.s_addr == addr))
return (1);
}
} else if (inp->sin6_family == AF_INET6) {
for (ns = 0; ns < statp->nscount; ns++) {
const struct sockaddr_in6 *srv
= (struct sockaddr_in6 *) get_nsaddr (statp, ns);
if ((srv->sin6_family == AF_INET6) &&
(srv->sin6_port == inp->sin6_port) &&
!(memcmp(&srv->sin6_addr, &in6addr_any,
sizeof (struct in6_addr)) &&
memcmp(&srv->sin6_addr, &inp->sin6_addr,
sizeof (struct in6_addr))))
return (1);
}
}
return (0);
}
/* int
* res_isourserver(ina)
* looks up "ina" in _resp->ns_addr_list[]
* returns:
* 0 : not found
* >0 : found
* author:
* paul vixie, 29may94
*/
int
res_isourserver(const struct sockaddr_in *inp)
{
struct __res_state *_resp = _THREAD_PRIVATE(_res, _res, &_res);
#ifdef INET6
const struct sockaddr_in6 *in6p = (const struct sockaddr_in6 *)inp;
const struct sockaddr_in6 *srv6;
#endif
const struct sockaddr_in *srv;
int ns, ret;
ret = 0;
switch (inp->sin_family) {
#ifdef INET6
case AF_INET6:
for (ns = 0; ns < _resp->nscount; ns++) {
srv6 = (struct sockaddr_in6 *)get_nsaddr(ns);
if (srv6->sin6_family == in6p->sin6_family &&
srv6->sin6_port == in6p->sin6_port &&
srv6->sin6_scope_id == in6p->sin6_scope_id &&
(IN6_IS_ADDR_UNSPECIFIED(&srv6->sin6_addr) ||
IN6_ARE_ADDR_EQUAL(&srv6->sin6_addr,
&in6p->sin6_addr))) {
ret++;
break;
}
}
break;
#endif
case AF_INET:
for (ns = 0; ns < _resp->nscount; ns++) {
srv = (struct sockaddr_in *)get_nsaddr(ns);
if (srv->sin_family == inp->sin_family &&
srv->sin_port == inp->sin_port &&
(srv->sin_addr.s_addr == INADDR_ANY ||
srv->sin_addr.s_addr == inp->sin_addr.s_addr)) {
ret++;
break;
}
}
break;
}
return (ret);
}
/*%
* looks up "ina" in _res.ns_addr_list[]
*
* returns:
*\li 0 : not found
*\li >0 : found
*
* author:
*\li paul vixie, 29may94
*/
int
res_ourserver_p(const res_state statp, const struct sockaddr *sa) {
const struct sockaddr_in *inp, *srv;
const struct sockaddr_in6 *in6p, *srv6;
int ns;
switch (sa->sa_family) {
case AF_INET:
inp = (const struct sockaddr_in *)(const void *)sa;
for (ns = 0; ns < statp->nscount; ns++) {
srv = (struct sockaddr_in *)(void *)get_nsaddr(statp, (size_t)ns);
if (srv->sin_family == inp->sin_family &&
srv->sin_port == inp->sin_port &&
(srv->sin_addr.s_addr == INADDR_ANY ||
srv->sin_addr.s_addr == inp->sin_addr.s_addr))
return (1);
}
break;
case AF_INET6:
if (EXT(statp).ext == NULL)
break;
in6p = (const struct sockaddr_in6 *)(const void *)sa;
for (ns = 0; ns < statp->nscount; ns++) {
srv6 = (struct sockaddr_in6 *)(void *)get_nsaddr(statp, (size_t)ns);
if (srv6->sin6_family == in6p->sin6_family &&
srv6->sin6_port == in6p->sin6_port &&
#ifdef HAVE_SIN6_SCOPE_ID
(srv6->sin6_scope_id == 0 ||
srv6->sin6_scope_id == in6p->sin6_scope_id) &&
#endif
(IN6_IS_ADDR_UNSPECIFIED(&srv6->sin6_addr) ||
IN6_ARE_ADDR_EQUAL(&srv6->sin6_addr, &in6p->sin6_addr)))
return (1);
}
break;
default:
break;
}
return (0);
}
