From 7731832751ab9f3c6ddeb66f186d3d7fa1934a6d Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 13:11:40 +0200
Subject: Adding upstream version 2.4.57+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 servers/slapd/back-sock/opensock.c | 71 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 servers/slapd/back-sock/opensock.c

(limited to 'servers/slapd/back-sock/opensock.c')

diff --git a/servers/slapd/back-sock/opensock.c b/servers/slapd/back-sock/opensock.c
new file mode 100644
index 0000000..cc93b1e
--- /dev/null
+++ b/servers/slapd/back-sock/opensock.c
@@ -0,0 +1,71 @@
+/* opensock.c - open a unix domain socket */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 2007-2021 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by Brian Candler for inclusion
+ * in OpenLDAP Software.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/errno.h>
+#include <ac/string.h>
+#include <ac/socket.h>
+#include <ac/unistd.h>
+
+#include "slap.h"
+#include "back-sock.h"
+
+/*
+ * FIXME: count the number of concurrent open sockets (since each thread
+ * may open one). Perhaps block here if a soft limit is reached, and fail
+ * if a hard limit reached
+ */
+
+FILE *
+opensock(
+    const char	*sockpath
+)
+{
+	int	fd;
+	FILE	*fp;
+	struct sockaddr_un sockun;
+
+	fd = socket(PF_UNIX, SOCK_STREAM, 0);
+	if ( fd < 0 ) {
+		Debug( LDAP_DEBUG_ANY, "socket create failed\n", 0, 0, 0 );
+		return( NULL );
+	}
+
+	sockun.sun_family = AF_UNIX;
+	sprintf(sockun.sun_path, "%.*s", (int)(sizeof(sockun.sun_path)-1),
+		sockpath);
+	if ( connect( fd, (struct sockaddr *)&sockun, sizeof(sockun) ) < 0 ) {
+		Debug( LDAP_DEBUG_ANY, "socket connect(%s) failed\n",
+			sockpath ? sockpath : "<null>", 0, 0 );
+		close( fd );
+		return( NULL );
+	}
+
+	if ( ( fp = fdopen( fd, "r+" ) ) == NULL ) {
+		Debug( LDAP_DEBUG_ANY, "fdopen failed\n", 0, 0, 0 );
+		close( fd );
+		return( NULL );
+	}
+
+	return( fp );
+}
-- 
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