noip: Don't try to support families other than AF_UNIX and AF_INET.

If there's demand, I might try to hack in IPv6 later.  But not now.

diff --git a/noip.c b/noip.c
index 38021db5df62099693ca4351bb960b57f48e2056..173d43f594774b5ca6aafe064310264916f4bd25 100644 (file)
--- a/noip.c
+++ b/noip.c
@@ -831,11 +831,16 @@ done:
 
 int socket(int pf, int ty, int proto)
 {
-  if (pf == PF_INET) {
-    pf = PF_UNIX;
-    proto = 0;
+  switch (pf) {
+    case PF_INET:
+      pf = PF_UNIX;
+      proto = 0;
+    case PF_UNIX:
+      return real_socket(pf, ty, proto);
+    default:
+      errno = EAFNOSUPPORT;
+      return -1;
   }
-  return real_socket(pf, ty, proto);
 }
 
 int socketpair(int pf, int ty, int proto, int *sk)