OpenSolaris Launch

1 files changed, 116 insertions, 0 deletions

diff --git a/usr/src/lib/nsswitch/files/common/ether_addr.c b/usr/src/lib/nsswitch/files/common/ether_addr.c
new file mode 100644
index 0000000000..4731e0c354
--- /dev/null
+++ b/usr/src/lib/nsswitch/files/common/ether_addr.c
@@ -0,0 +1,116 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ *	files/ether_addr.c -- "files" backend for nsswitch "ethers" database
+ *
+ * Copyright 1988-1995,2002 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*
+ * All routines necessary to deal with the file /etc/ethers.  The file
+ * contains mappings from 48 bit ethernet addresses to their corresponding
+ * hosts names.  The addresses have an ascii representation of the form
+ * "x:x:x:x:x:x" where x is a hex number between 0x00 and 0xff;  the
+ * bytes are always in network order.
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <netinet/if_ether.h>
+#include <nss_dbdefs.h>
+#include "files_common.h"
+#include <strings.h>
+
+#define	_PATH_ETHERS	"/etc/ethers"
+
+static int
+check_host(args)
+	nss_XbyY_args_t		*args;
+{
+	return (strcmp(args->buf.buffer, args->key.name) == 0);
+}
+
+static nss_status_t
+getbyhost(be, a)
+	files_backend_ptr_t	be;
+	void			*a;
+{
+	nss_XbyY_args_t		*argp = (nss_XbyY_args_t *)a;
+	char	hostname[MAXHOSTNAMELEN];
+	nss_status_t		res;
+
+	argp->buf.buffer = hostname;
+	argp->buf.buflen = MAXHOSTNAMELEN;
+
+	res = _nss_files_XY_all(be, argp, 0, argp->key.name, check_host);
+
+	argp->buf.buffer = NULL;
+	argp->buf.buflen = 0;
+	return (res);
+}
+
+static int
+check_ether(args)
+	nss_XbyY_args_t		*args;
+{
+	return (ether_cmp(args->buf.result, args->key.ether) == 0);
+}
+
+static nss_status_t
+getbyether(be, a)
+	files_backend_ptr_t	be;
+	void			*a;
+{
+	nss_XbyY_args_t		*argp = (nss_XbyY_args_t *)a;
+	struct ether_addr	etheraddr;
+	nss_status_t		res;
+
+	argp->buf.result	= &etheraddr;
+
+	res = _nss_files_XY_all(be, argp, 0, NULL, check_ether);
+
+	argp->buf.result	= NULL;
+	return (res);
+}
+
+static files_backend_op_t ethers_ops[] = {
+	_nss_files_destr,
+	getbyhost,
+	getbyether
+};
+
+/*ARGSUSED*/
+nss_backend_t *
+_nss_files_ethers_constr(dummy1, dummy2, dummy3)
+	const char	*dummy1, *dummy2, *dummy3;
+{
+	return (_nss_files_constr(ethers_ops,
+				sizeof (ethers_ops) / sizeof (ethers_ops[0]),
+				_PATH_ETHERS,
+				NSS_LINELEN_ETHERS,
+				NULL));
+}