1 files changed, 93 insertions, 0 deletions
diff --git a/usr/src/lib/nsswitch/files/common/netmasks.c b/usr/src/lib/nsswitch/files/common/netmasks.c
new file mode 100644
index 0000000000..876fcf66a6
--- /dev/null
+++ b/usr/src/lib/nsswitch/files/common/netmasks.c
@@ -0,0 +1,93 @@
+/*
+ * 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/netmasks.c -- "files" backend for nsswitch "netmasks" database
+ *
+ *	Copyright (c) 1996 Sun Microsystems Inc
+ *	All Rights Reserved.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+/*
+ * All routines necessary to deal with the file /etc/inet/netmasks.  The file
+ * contains mappings from 32 bit network internet addresses to their
+ * corresponding 32 bit mask internet addresses. The addresses are in dotted
+ * internet address form.
+ */
+
+#include "files_common.h"
+#include <string.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <nss_dbdefs.h>
+
+/*
+ * Validate 'files' netmasks entry. The comparison objects are in IPv4
+ * internet address format.
+ */
+static int
+check_addr(args)
+	nss_XbyY_args_t		*args;
+{
+	struct in_addr tmp;
+
+	tmp.s_addr = inet_addr(args->key.name);
+	return (memcmp(args->buf.buffer, (char *)&tmp,
+	    sizeof (struct in_addr)) == 0);
+}
+
+static nss_status_t
+getbynet(be, a)
+	files_backend_ptr_t	be;
+	void			*a;
+{
+	nss_XbyY_args_t		*argp = (nss_XbyY_args_t *) a;
+	nss_status_t		res;
+	char			tmpbuf[NSS_LINELEN_NETMASKS];
+
+	argp->buf.buffer = tmpbuf;
+	argp->buf.buflen = NSS_LINELEN_NETMASKS;
+	res = _nss_files_XY_all(be, argp, 0, argp->key.name, check_addr);
+	argp->buf.buffer = NULL;
+	argp->buf.buflen = 0;
+
+	return (res);
+}
+
+static files_backend_op_t netmasks_ops[] = {
+	_nss_files_destr,
+	getbynet
+};
+
+/*ARGSUSED*/
+nss_backend_t *
+_nss_files_netmasks_constr(dummy1, dummy2, dummy3)
+	const char	*dummy1, *dummy2, *dummy3;
+{
+	return (_nss_files_constr(netmasks_ops,
+	    sizeof (netmasks_ops) / sizeof (netmasks_ops[0]),
+	    _PATH_NETMASKS, NSS_LINELEN_NETMASKS, NULL));
+}