From: Ken Raeburn <raeburn@mit.edu>
Date: Sun, 17 Oct 1999 07:34:05 +0000 (+0000)
Subject: If INET6 support is built in but the socket creation fails, fall back to INET
X-Git-Tag: krb5-1.2-beta1~210
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=e3a442c7e74814977c99c677215f0519ac84b92e;p=krb5.git

If INET6 support is built in but the socket creation fails, fall back to INET

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@11865 dc483132-0cff-0310-8789-dd5450dbe970
---

diff --git a/src/lib/krb5/os/ChangeLog b/src/lib/krb5/os/ChangeLog
index fb2461596..118c17afd 100644
--- a/src/lib/krb5/os/ChangeLog
+++ b/src/lib/krb5/os/ChangeLog
@@ -1,7 +1,8 @@
 1999-10-17  Ken Raeburn  <raeburn@raeburn.org>
 
 	* localaddr.c (krb5_os_localaddr): Raise buffer size to 10K.
-	Handle INET6 addresses.
+	Handle INET6 addresses.  If INET6 support is built in but the
+	socket creation fails, fall back to INET.
 
 1999-09-28  Ken Raeburn  <raeburn@mit.edu>
 
diff --git a/src/lib/krb5/os/localaddr.c b/src/lib/krb5/os/localaddr.c
index c4d4986e3..6a9acdc4e 100644
--- a/src/lib/krb5/os/localaddr.c
+++ b/src/lib/krb5/os/localaddr.c
@@ -55,7 +55,8 @@
 
 #ifndef USE_AF
 #ifdef AF_INET6
-#define USE_AF AF_INET6
+#define USE_AF  AF_INET6
+#define USE_AF2 AF_INET
 #else
 #define USE_AF AF_INET
 #endif
@@ -127,8 +128,12 @@ krb5_os_localaddr(context, addr)
     memset(buf, 0, sizeof(buf));
     ifc.ifc_len = sizeof(buf);
     ifc.ifc_buf = buf;
-    
+
     s = socket (USE_AF, USE_TYPE, USE_PROTO);
+#if defined (USE_AF2) && defined (EPROTONOSUPPORT)
+    if (s < 0 && SOCKET_ERRNO == EPROTONOSUPPORT)
+	s = socket (USE_AF2, USE_TYPE, USE_PROTO);
+#endif
     if (s < 0)
 	return SOCKET_ERRNO;