SHA256
1
0
forked from pool/xauth
xauth/u_xauth_Look-for-FamilyLocal-if-inet-or-inet6-addr.patch

63 lines
1.9 KiB
Diff

--- gethost.c.orig 2010-09-04 01:04:27.000000000 +0200
+++ gethost.c 2012-01-10 17:57:22.072108000 +0100
@@ -318,16 +318,36 @@ struct addrlist *get_address_info (
for (ai = firstai; ai != NULL; ai = ai->ai_next) {
struct addrlist *duplicate;
+ len = 0;
if (ai->ai_family == AF_INET) {
struct sockaddr_in *sin = (struct sockaddr_in *)ai->ai_addr;
src = &(sin->sin_addr);
- len = sizeof(sin->sin_addr);
- family = FamilyInternet;
+ if (*(in_addr_t *) src == htonl(INADDR_LOOPBACK)) {
+ family = FamilyLocal;
+ if(get_local_hostname (buf, sizeof buf, localhostname)) {
+ src = buf;
+ len = strlen (buf);
+ } else
+ src = NULL;
+ } else {
+ len = sizeof(sin->sin_addr);
+ family = FamilyInternet;
+ }
} else if (ai->ai_family == AF_INET6) {
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)ai->ai_addr;
src = &(sin6->sin6_addr);
- len = sizeof(sin6->sin6_addr);
- family = FamilyInternet6;
+ if (IN6_IS_ADDR_V4MAPPED((struct sockaddr_in6 *)src)
+ || IN6_IS_ADDR_LOOPBACK((struct sockaddr_in6 *)src)) {
+ family = FamilyLocal;
+ if (get_local_hostname (buf, sizeof buf, localhostname)) {
+ src = buf;
+ len = strlen (buf);
+ } else
+ src = NULL;
+ } else {
+ len = sizeof(sin6->sin6_addr);
+ family = FamilyInternet6;
+ }
}
for(duplicate = retval; duplicate != NULL; duplicate = duplicate->next) {
@@ -366,7 +386,17 @@ struct addrlist *get_address_info (
#else
if (!get_inet_address (host, &hostinetaddr)) return NULL;
src = (char *) &hostinetaddr;
- len = 4; /* sizeof inaddr.sin_addr, would fail on Cray */
+ if (*(in_addr_t *) src == htonl(INADDR_LOOPBACK)) {
+ family = FamilyLocal;
+ if (get_local_hostname (buf, sizeof buf)) {
+ src = buf;
+ len = strlen (buf);
+ } else {
+ len = 0;
+ src = NULL;
+ }
+ } else
+ len = 4; /* sizeof inaddr.sin_addr, would fail on Cray */
break;
#endif /* IPv6 */
#else