From: Magnus Hagander <magnus@hagander.net>
Date: Mon, 8 Mar 2010 09:57:26 +0000 (+0000)
Subject: Disallow gssapi authentication on local connections, since it
X-Git-Tag: REL9_0_ALPHA5~127
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6c6ee75ad352fc586c14ec94eb2cb772bc37d233;p=postgresql

Disallow gssapi authentication on local connections, since it
requires a hostname to function.

Noted by Zdenek Kotala
---

diff --git a/src/backend/libpq/hba.c b/src/backend/libpq/hba.c
index 7718b0be49..be6b2f742a 100644
--- a/src/backend/libpq/hba.c
+++ b/src/backend/libpq/hba.c
@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/libpq/hba.c,v 1.201 2010/03/06 00:45:49 tgl Exp $
+ *	  $PostgreSQL: pgsql/src/backend/libpq/hba.c,v 1.202 2010/03/08 09:57:26 mha Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -998,6 +998,22 @@ parse_hba_line(List *line, int line_num, HbaLine *parsedline)
 		return false;
 	}
 
+	if (parsedline->conntype == ctLocal &&
+		parsedline->auth_method == uaGSS)
+	{
+		ereport(LOG,
+				(errcode(ERRCODE_CONFIG_FILE_ERROR),
+			 errmsg("gssapi authentication is not supported on local sockets"),
+				 errcontext("line %d of configuration file \"%s\"",
+							line_num, HbaFileName)));
+		return false;
+	}
+	/*
+	 * SSPI authentication can never be enabled on ctLocal connections, because
+	 * it's only supported on Windows, where ctLocal isn't supported.
+	 */
+
+
 	if (parsedline->conntype != ctHostSSL &&
 		parsedline->auth_method == uaCert)
 	{