summaryrefslogtreecommitdiffstats
path: root/sbin/mksnap_ffs/mksnap_ffs.c
diff options
context:
space:
mode:
Diffstat (limited to 'sbin/mksnap_ffs/mksnap_ffs.c')
-rw-r--r--sbin/mksnap_ffs/mksnap_ffs.c82
1 files changed, 82 insertions, 0 deletions
diff --git a/sbin/mksnap_ffs/mksnap_ffs.c b/sbin/mksnap_ffs/mksnap_ffs.c
new file mode 100644
index 0000000..8f33cde
--- /dev/null
+++ b/sbin/mksnap_ffs/mksnap_ffs.c
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2003 Networks Associates Technology, Inc.
+ * All rights reserved.
+ *
+ * This software was developed for the FreeBSD Project by Marshall
+ * Kirk McKusick and Network Associates Laboratories, 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 names of the authors 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 <sys/mount.h>
+#include <sys/stat.h>
+#include <ufs/ufs/ufsmount.h>
+#include <err.h>
+#include <errno.h>
+#include <grp.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sysexits.h>
+#include <unistd.h>
+
+void
+usage()
+{
+
+ fprintf(stderr, "usage: mksnap_ffs mountpoint file\n");
+ exit(EX_USAGE);
+}
+
+int
+main(int argc, char **argv)
+{
+ const char *dir;
+ struct ufs_args args;
+ struct group *grp;
+
+ if (argc != 3)
+ usage();
+
+ dir = argv[1];
+ args.fspec = argv[2];
+
+ if ((grp = getgrnam("operator")) == NULL)
+ errx(1, "Cannot retrieve operator gid");
+ if (mount("ffs", dir, MNT_UPDATE | MNT_SNAPSHOT, &args) < 0)
+ err(1, "Cannot create %s", args.fspec);
+ if (chown(args.fspec, -1, grp->gr_gid) != 0)
+ err(1, "Cannot chown %s", args.fspec);
+ if (chmod(args.fspec, S_IRUSR | S_IRGRP) != 0)
+ err(1, "Cannot chmod %s", args.fspec);
+
+ exit(EXIT_SUCCESS);
+}
OpenPOWER on IntegriCloud