160 lines
4.2 KiB
C
160 lines
4.2 KiB
C
/* $NetBSD: mount_ados.c,v 1.12 2000/10/30 20:56:58 jdolecek Exp $ */
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/*
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* Copyright (c) 1994 Christopher G. Demetriou
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed for the
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* NetBSD Project. See http://www.netbsd.org/ for
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* information about NetBSD.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: mount_ados.c,v 1.12 2000/10/30 20:56:58 jdolecek Exp $");
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#endif /* not lint */
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#include <sys/cdefs.h>
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#include <sys/param.h>
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#include <sys/mount.h>
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#include <sys/stat.h>
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#include <ctype.h>
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#include <err.h>
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#include <grp.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <adosfs/adosfs.h>
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#include "mntopts.h"
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#include <fattr.h>
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static const struct mntopt mopts[] = {
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MOPT_STDOPTS,
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{ NULL }
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};
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int main __P((int, char *[]));
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int mount_ados __P((int argc, char **argv));
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static void usage __P((void));
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#ifndef MOUNT_NOMAIN
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int
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main(int argc, char **argv)
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{
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return mount_ados(argc, argv);
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}
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#endif
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int
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mount_ados(argc, argv)
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int argc;
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char **argv;
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{
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struct adosfs_args args;
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struct stat sb;
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int c, mntflags, set_gid, set_uid, set_mask;
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char *dev, *dir, ndir[MAXPATHLEN+1];
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mntflags = set_gid = set_uid = set_mask = 0;
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(void)memset(&args, '\0', sizeof(args));
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while ((c = getopt(argc, argv, "u:g:m:o:")) != -1) {
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switch (c) {
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case 'u':
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args.uid = a_uid(optarg);
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set_uid = 1;
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break;
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case 'g':
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args.gid = a_gid(optarg);
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set_gid = 1;
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break;
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case 'm':
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args.mask = a_mask(optarg);
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set_mask = 1;
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break;
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case 'o':
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getmntopts(optarg, mopts, &mntflags, 0);
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break;
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case '?':
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default:
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usage();
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break;
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}
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}
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if (optind + 2 != argc)
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usage();
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dev = argv[optind];
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dir = argv[optind + 1];
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if (dir[0] != '/') {
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warnx("\"%s\" is a relative path.", dir);
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if (getcwd(ndir, sizeof(ndir)) == NULL)
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err(1, "getcwd");
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strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1);
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strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1);
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dir = ndir;
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warnx("using \"%s\" instead.", dir);
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}
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args.fspec = dev;
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args.export.ex_root = -2; /* unchecked anyway on DOS fs */
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if (mntflags & MNT_RDONLY)
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args.export.ex_flags = MNT_EXRDONLY;
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else
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args.export.ex_flags = 0;
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if (!set_gid || !set_uid || !set_mask) {
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if (stat(dir, &sb) == -1)
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err(1, "stat %s", dir);
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if (!set_uid)
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args.uid = sb.st_uid;
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if (!set_gid)
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args.gid = sb.st_gid;
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if (!set_mask)
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args.mask = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
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}
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if (mount(MOUNT_ADOSFS, dir, mntflags, &args) < 0)
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err(1, "%s on %s", dev, dir);
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exit (0);
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}
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static void
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usage()
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{
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fprintf(stderr, "usage: mount_ados [-o options] [-u user] [-g group] [-m mask] bdev dir\n");
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exit(1);
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}
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