From 2a0dec7888af165f48e5aa94b0262f8c0ac050b6 Mon Sep 17 00:00:00 2001
From: Magnus Hagander <magnus@hagander.net>
Date: Mon, 8 Mar 2010 10:01:12 +0000
Subject: [PATCH] Require hostname to be set when using GSSAPI authentication.
 Without it, the GSSAPI libraries crash.

Noted by Zdenek Kotala
---
 src/interfaces/libpq/fe-auth.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/interfaces/libpq/fe-auth.c b/src/interfaces/libpq/fe-auth.c
index fcb5e316640..65f3e2625c0 100644
--- a/src/interfaces/libpq/fe-auth.c
+++ b/src/interfaces/libpq/fe-auth.c
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/interfaces/libpq/fe-auth.c,v 1.143 2010/01/02 16:58:11 momjian Exp $
+ *	  $PostgreSQL: pgsql/src/interfaces/libpq/fe-auth.c,v 1.144 2010/03/08 10:01:12 mha Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -426,6 +426,12 @@ pg_GSS_startup(PGconn *conn)
 	int			maxlen;
 	gss_buffer_desc temp_gbuf;
 
+	if (!conn->pghost)
+	{
+		printfPQExpBuffer(&conn->errorMessage, libpq_gettext("host name must be specified\n"));
+		return STATUS_ERROR;
+	}
+
 	if (conn->gctx)
 	{
 		printfPQExpBuffer(&conn->errorMessage,
-- 
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