NIS client toolbox. This centralizes code which is duplicated all over

our tree.

Sponsored by:	DARPA, NAI Labs.

1 files changed, 90 insertions, 0 deletions

diff --git a/lib/libypclnt/ypclnt_connect.c b/lib/libypclnt/ypclnt_connect.c
new file mode 100644
index 0000000..5670fa4
--- /dev/null
+++ b/lib/libypclnt/ypclnt_connect.c
@@ -0,0 +1,90 @@
+/*-
+ * Copyright (c) 2002 Networks Associates Technology, Inc.
+ * All rights reserved.
+ *
+ * This software was developed for the FreeBSD Project by ThinkSec AS and
+ * NAI Labs, the Security Research Division of Network Associates, Inc.
+ * under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
+ * DARPA CHATS research program.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/param.h>
+
+#include <err.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <rpcsvc/ypclnt.h>
+
+#include "ypclnt.h"
+
+int
+ypclnt_connect(ypclnt_t *ypclnt)
+{
+	int r;
+
+	/* get default domain name unless specified */
+	if (ypclnt->domain == NULL) {
+		if ((ypclnt->domain = malloc(MAXHOSTNAMELEN)) == NULL) {
+			ypclnt_error(ypclnt, __func__,
+			    "%s", strerror(errno));
+			return (-1);
+		}
+		if (getdomainname(ypclnt->domain, MAXHOSTNAMELEN) != 0) {
+			ypclnt_error(ypclnt, __func__,
+			    "can't get NIS domain name");
+			return (-1);
+		}
+	}
+	YPCLNT_DEBUG("domain '%s'", ypclnt->domain);
+
+	/* map must be specified */
+	if (ypclnt->map == NULL) {
+		ypclnt_error(ypclnt, __func__,
+		    "caller must specify map name");
+		return (-1);
+	}
+	YPCLNT_DEBUG("map '%s'", ypclnt->map);
+
+	/* get master server for requested map unless specified */
+	if (ypclnt->server == NULL) {
+		r = yp_master(ypclnt->domain, ypclnt->map, &ypclnt->server);
+		if (r != 0) {
+			ypclnt_error(ypclnt, __func__,
+			    "can't get NIS server name: %s", yperr_string(r));
+			return (-1);
+		}
+	}
+	YPCLNT_DEBUG("server '%s'", ypclnt->server);
+
+	ypclnt_error(ypclnt, NULL, NULL);
+	return (0);
+}