File krb5-1.6.3-kpasswd_tcp.patch of Package krb5.openSUSE_11.4_Update

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File krb5-1.6.3-kpasswd_tcp.patch of Package krb5.openSUSE_11.4_Update

Fall back to TCP on kdc-unresolvable/unreachable errors.  We still have
to wait for UDP to fail, so this might not be ideal.  RT #5868.

Index: src/lib/krb5/os/changepw.c
===================================================================
--- src/lib/krb5/os/changepw.c.orig
+++ src/lib/krb5/os/changepw.c
@@ -280,10 +280,22 @@ change_set_password(krb5_context context
                                    NULL
              ))) {
 
-            /*
-             * Here we may want to switch to TCP on some errors.
-             * right?
-             */
+            /* if we're not using a stream socket, and it's an error which
+             * might reasonably be specific to a datagram "connection", try
+             * again with a stream socket */
+            if (!useTcp) {
+                switch (code) {
+                case KRB5_KDC_UNREACH:
+                case KRB5_REALM_CANT_RESOLVE:
+                case KRB5KRB_ERR_RESPONSE_TOO_BIG:
+                /* should we do this for more result codes than these? */
+                    krb5int_free_addrlist (&al);
+                    useTcp = 1;
+                    continue;
+                default:
+                    break;
+                }
+            }
             break;
         }

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File krb5-1.6.3-kpasswd_tcp.patch of Package krb5.openSUSE_11.4_Update

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