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mount_efs.c revision 1.1 
      1 /*	$NetBSD: mount_efs.c,v 1.1 2007/06/29 23:30:20 rumble Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 2006 Stephen M. Rumble <rumble (at) ephemeral.org>
      5  *
      6  * Permission to use, copy, modify, and distribute this software for any
      7  * purpose with or without fee is hereby granted, provided that the above
      8  * copyright notice and this permission notice appear in all copies.
      9  *
     10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     17  */
     18 
     19 #include <sys/param.h>
     20 #include <sys/mount.h>
     21 #include <fs/efs/efs.h>
     22 #include <fs/efs/efs_sb.h>
     23 #include <fs/efs/efs_mount.h>
     24 
     25 #include <err.h>
     26 #include <stdio.h>
     27 #include <stdlib.h>
     28 
     29 #include <string.h>
     30 #include <unistd.h>
     31 
     32 #include <mntopts.h>
     33 
     34 static const struct mntopt mopts[] = {
     35 	MOPT_STDOPTS,
     36 	MOPT_GETARGS,
     37 	MOPT_FORCE,
     38 	MOPT_NULL
     39 };
     40 
     41 static void	usage(void);
     42 int		mount_efs(int, char **);
     43 
     44 static void
     45 usage()
     46 {
     47 
     48 	fprintf(stderr, "usage: %s [-o options] special node\n", getprogname());
     49 	exit(1);
     50 }
     51 
     52 int
     53 mount_efs(int argc, char **argv)
     54 {
     55 	int ch, mntflags;
     56 	extern int optind;
     57 	extern char *optarg;
     58 	struct efs_args args;
     59 	char special[MAXPATHLEN], node[MAXPATHLEN];
     60 	mntoptparse_t mp;
     61 
     62 	setprogname(argv[0]);
     63 	memset(&args, 0, sizeof(args));
     64 	mntflags = 0;
     65 
     66 	while ((ch = getopt(argc, argv, "o:")) != -1) {
     67 		switch (ch) {
     68 		case 'o':
     69 			mp = getmntopts(optarg, mopts, &mntflags, NULL);
     70 			if (mp == NULL)
     71 				err(1, "getmntopts");
     72 			freemntopts(mp);
     73 			break;
     74 
     75 		default:
     76 			usage();
     77 		}
     78 	}
     79 	argc -= optind;
     80 	argv += optind;
     81 
     82 	if (argc != 2)
     83 		usage();
     84 
     85 	if (realpath(argv[0], special) == NULL)
     86 		err(EXIT_FAILURE, "realpath %s", argv[0]);
     87 
     88 	if (realpath(argv[1], node) == NULL)
     89 		err(EXIT_FAILURE, "realpath %s", argv[1]);
     90 
     91 	args.fspec = special;
     92 	args.version = EFS_MNT_VERSION;
     93 	if (mount(MOUNT_EFS, node, mntflags, &args) < 0)
     94 		err(EXIT_FAILURE, "%s on %s", special, node);
     95 
     96 	return (0);
     97 }
     98 
     99 #ifndef MOUNT_NOMAIN
    100 int
    101 main(int argc, char **argv)
    102 {
    103 
    104 	return (mount_efs(argc, argv));
    105 }
    106 #endif
    107