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/* $OpenBSD: mount_ext2fs.c,v 1.18 2015/12/08 15:56:42 tedu Exp $ */ |
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/* $NetBSD: mount_ffs.c,v 1.3 1996/04/13 01:31:19 jtc Exp $ */ |
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/*- |
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* Copyright (c) 1993, 1994 |
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* The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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#include <sys/types.h> |
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#include <sys/mount.h> |
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#include <err.h> |
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#include <errno.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 <limits.h> |
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#include "mntopts.h" |
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void ext2fs_usage(void); |
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static const struct mntopt mopts[] = { |
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MOPT_STDOPTS, |
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MOPT_UPDATE, |
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{ NULL } |
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}; |
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int |
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main(int argc, char *argv[]) |
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{ |
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struct ufs_args args; /* XXX ffs_args */ |
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int ch, mntflags; |
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char fs_name[PATH_MAX], *errcause; |
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mntflags = 0; |
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optind = optreset = 1; /* Reset for parse of new argv. */ |
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while ((ch = getopt(argc, argv, "o:")) != -1) |
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switch (ch) { |
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case 'o': |
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getmntopts(optarg, mopts, &mntflags); |
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break; |
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case '?': |
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default: |
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ext2fs_usage(); |
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} |
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argc -= optind; |
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argv += optind; |
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if (argc != 2) |
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ext2fs_usage(); |
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args.fspec = argv[0]; /* The name of the device file. */ |
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if (realpath(argv[1], fs_name) == NULL) /* The mount point. */ |
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err(1, "realpath %s", argv[1]); |
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#define DEFAULT_ROOTUID -2 |
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args.export_info.ex_root = DEFAULT_ROOTUID; |
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if (mntflags & MNT_RDONLY) |
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args.export_info.ex_flags = MNT_EXRDONLY; |
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else |
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args.export_info.ex_flags = 0; |
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if (mount(MOUNT_EXT2FS, fs_name, mntflags, &args) < 0) { |
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switch (errno) { |
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case EMFILE: |
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errcause = "mount table full"; |
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break; |
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case EINVAL: |
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errcause = |
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"specified device does not match mounted device"; |
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break; |
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case EOPNOTSUPP: |
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errcause = "filesystem not supported by kernel"; |
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break; |
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default: |
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errcause = strerror(errno); |
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break; |
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} |
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errx(1, "%s on %s: %s", args.fspec, fs_name, errcause); |
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} |
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exit(0); |
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} |
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void |
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ext2fs_usage(void) |
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{ |
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(void)fprintf(stderr, |
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"usage: mount_ext2fs [-o options] special node\n"); |
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exit(1); |
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} |