Blame krb5-1.10-kpasswd_tcp.patch
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75b0804 |
Fall back to TCP on kdc-unresolvable/unreachable errors. We still have
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75b0804 |
to wait for UDP to fail, so this might not be ideal. RT #5868.
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75b0804 |
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Nalin Dahyabhai |
6d42ba9 |
--- krb5/src/lib/krb5/os/changepw.c
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Nalin Dahyabhai |
6d42ba9 |
+++ krb5/src/lib/krb5/os/changepw.c
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Nalin Dahyabhai |
6d42ba9 |
@@ -270,10 +270,22 @@ change_set_password(krb5_context context
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Nalin Dahyabhai |
6d42ba9 |
&callback_info, &chpw_rep, ss2sa(&remote_addr),
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Nalin Dahyabhai |
6d42ba9 |
&addrlen, NULL, NULL, NULL);
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Nalin Dahyabhai |
6d42ba9 |
if (code) {
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75b0804 |
- /*
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75b0804 |
- * Here we may want to switch to TCP on some errors.
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75b0804 |
- * right?
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75b0804 |
- */
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75b0804 |
+ /* if we're not using a stream socket, and it's an error which
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75b0804 |
+ * might reasonably be specific to a datagram "connection", try
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75b0804 |
+ * again with a stream socket */
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Nalin Dahyabhai |
6d42ba9 |
+ if (!use_tcp) {
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75b0804 |
+ switch (code) {
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75b0804 |
+ case KRB5_KDC_UNREACH:
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75b0804 |
+ case KRB5_REALM_CANT_RESOLVE:
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![](https://seccdn.libravatar.org/avatar/830d03208be58a30581b9ec914163ac3247fea9d7b90dfa476b86f1ed9183af9?s=16&d=retro) |
75b0804 |
+ case KRB5KRB_ERR_RESPONSE_TOO_BIG:
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![](https://seccdn.libravatar.org/avatar/830d03208be58a30581b9ec914163ac3247fea9d7b90dfa476b86f1ed9183af9?s=16&d=retro) |
75b0804 |
+ /* should we do this for more result codes than these? */
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Nalin Dahyabhai |
6d42ba9 |
+ k5_free_serverlist (&sl);
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Nalin Dahyabhai |
6d42ba9 |
+ use_tcp = 1;
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![](https://seccdn.libravatar.org/avatar/830d03208be58a30581b9ec914163ac3247fea9d7b90dfa476b86f1ed9183af9?s=16&d=retro) |
75b0804 |
+ continue;
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75b0804 |
+ default:
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75b0804 |
+ break;
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75b0804 |
+ }
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75b0804 |
+ }
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75b0804 |
break;
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75b0804 |
}
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75b0804 |
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