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/* $OpenBSD: mount.c,v 1.71 2017/02/06 17:15:56 tb Exp $ */ |
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/* $NetBSD: mount.c,v 1.24 1995/11/18 03:34:29 cgd Exp $ */ |
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/* |
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* Copyright (c) 1980, 1989, 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 <sys/socket.h> |
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#include <sys/wait.h> |
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#include <nfs/rpcv2.h> |
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#include <nfs/nfsproto.h> |
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#include <nfs/nfs.h> |
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#include <err.h> |
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#include <errno.h> |
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#include <fstab.h> |
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#include <netdb.h> |
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#include <signal.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 <util.h> |
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#include "pathnames.h" |
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int debug, verbose, skip; |
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char **typelist = NULL; |
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enum { NONET_FILTER, NET_FILTER } filter = NONET_FILTER; |
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int selected(const char *); |
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char *catopt(char *, const char *); |
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char *flags2opts(u_int32_t); |
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struct statfs |
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*getmntpt(const char *); |
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int hasopt(const char *, const char *); |
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void maketypelist(char *); |
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void mangle(char *, int *, const char **, int); |
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int mountfs(const char *, const char *, const char *, const char *, |
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const char *, int); |
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void prmount(struct statfs *); |
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int disklabelcheck(struct fstab *); |
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__dead void usage(void); |
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/* Map from mount options to printable formats. */ |
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static struct opt { |
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int o_opt; |
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int o_silent; |
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const char *o_name; |
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const char *o_optname; |
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} optnames[] = { |
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{ MNT_ASYNC, 0, "asynchronous", "async" }, |
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{ MNT_DEFEXPORTED, 1, "exported to the world", "" }, |
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{ MNT_EXPORTED, 0, "NFS exported", "" }, |
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{ MNT_EXPORTANON, 1, "anon uid mapping", "" }, |
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{ MNT_EXRDONLY, 1, "exported read-only", "" }, |
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{ MNT_LOCAL, 0, "local", "" }, |
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{ MNT_NOATIME, 0, "noatime", "noatime" }, |
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{ MNT_NODEV, 0, "nodev", "nodev" }, |
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{ MNT_NOEXEC, 0, "noexec", "noexec" }, |
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{ MNT_NOSUID, 0, "nosuid", "nosuid" }, |
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{ MNT_NOPERM, 0, "noperm", "noperm" }, |
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{ MNT_WXALLOWED, 0, "wxallowed", "wxallowed" }, |
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{ MNT_QUOTA, 0, "with quotas", "" }, |
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{ MNT_RDONLY, 0, "read-only", "ro" }, |
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{ MNT_ROOTFS, 1, "root file system", "" }, |
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{ MNT_SYNCHRONOUS, 0, "synchronous", "sync" }, |
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{ MNT_SOFTDEP, 0, "softdep", "softdep" }, |
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{ 0, 0, "", "" } |
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}; |
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int |
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main(int argc, char * const argv[]) |
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{ |
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const char *mntonname, *vfstype; |
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struct fstab *fs; |
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struct statfs *mntbuf; |
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FILE *mountdfp; |
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pid_t pid; |
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int all, ch, forceall, i, mntsize, rval, new; |
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char *options, mntpath[PATH_MAX]; |
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all = forceall = 0; |
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options = NULL; |
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vfstype = "ffs"; |
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✗✓ |
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while ((ch = getopt(argc, argv, "AadfNo:rswt:uv")) != -1) |
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switch (ch) { |
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case 'A': |
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all = forceall = 1; |
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break; |
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case 'a': |
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all = 1; |
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break; |
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case 'd': |
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debug = 1; |
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break; |
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case 'f': |
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if (!hasopt(options, "force")) |
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options = catopt(options, "force"); |
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break; |
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case 'N': |
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filter = NET_FILTER; |
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break; |
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case 'o': |
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if (*optarg) |
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options = catopt(options, optarg); |
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break; |
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case 'r': |
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if (!hasopt(options, "ro")) |
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options = catopt(options, "ro"); |
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break; |
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case 's': |
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skip = 1; |
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break; |
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case 't': |
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if (typelist != NULL) |
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errx(1, "only one -t option may be specified."); |
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maketypelist(optarg); |
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vfstype = optarg; |
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break; |
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case 'u': |
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if (!hasopt(options, "update")) |
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options = catopt(options, "update"); |
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break; |
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case 'v': |
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verbose = 1; |
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break; |
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case 'w': |
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if (!hasopt(options, "rw")) |
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options = catopt(options, "rw"); |
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break; |
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case '?': |
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default: |
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usage(); |
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} |
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argc -= optind; |
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argv += optind; |
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✗✓ |
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if (typelist == NULL && argc == 2) { |
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/* |
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* If -t flag has not been specified, and spec contains either |
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* a ':' or a '@' then assume that an NFS filesystem is being |
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* specified ala Sun. If not, check the disklabel for a |
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* known filesystem type. |
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*/ |
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if (strpbrk(argv[0], ":@") != NULL) |
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vfstype = "nfs"; |
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else { |
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char *labelfs = readlabelfs(argv[0], 0); |
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if (labelfs != NULL) |
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vfstype = labelfs; |
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} |
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} |
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✗✓ |
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if (pledge("stdio rpath disklabel proc exec flock cpath wpath", NULL) == -1) |
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err(1, "pledge"); |
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#define BADTYPE(type) \ |
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(strcmp(type, FSTAB_RO) && \ |
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strcmp(type, FSTAB_RW) && strcmp(type, FSTAB_RQ)) |
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rval = 0; |
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new = 0; |
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✓✗✗✗
|
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switch (argc) { |
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case 0: |
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✗✓ |
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if (all) |
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while ((fs = getfsent()) != NULL) { |
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if (BADTYPE(fs->fs_type)) |
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continue; |
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switch (filter) { |
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case NET_FILTER: |
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if (!hasopt(fs->fs_mntops, "net")) |
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continue; |
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break; |
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case NONET_FILTER: |
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if (hasopt(fs->fs_mntops, "net")) |
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continue; |
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break; |
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} |
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if (!selected(fs->fs_vfstype)) |
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continue; |
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if (hasopt(fs->fs_mntops, "noauto")) |
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continue; |
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if (disklabelcheck(fs)) |
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continue; |
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if (mountfs(fs->fs_vfstype, fs->fs_spec, |
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fs->fs_file, options, |
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fs->fs_mntops, !forceall)) |
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rval = 1; |
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else |
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++new; |
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} |
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else { |
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✗✓ |
109 |
if ((mntsize = getmntinfo(&mntbuf, MNT_NOWAIT)) == 0) |
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err(1, "getmntinfo"); |
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✓✓ |
2180 |
for (i = 0; i < mntsize; i++) { |
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✓✗ |
981 |
if (!selected(mntbuf[i].f_fstypename)) |
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continue; |
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|
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prmount(&mntbuf[i]); |
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|
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} |
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|
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return (rval); |
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} |
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break; |
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case 1: |
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if (typelist != NULL) |
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usage(); |
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if (realpath(*argv, mntpath) == NULL && strpbrk(argv[0], ":@") == NULL) |
238 |
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err(1, "realpath %s", *argv); |
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if (hasopt(options, "update")) { |
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if ((mntbuf = getmntpt(mntpath)) == NULL) |
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errx(1, |
242 |
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"unknown special file or file system %s.", |
243 |
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*argv); |
244 |
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if ((mntbuf->f_flags & MNT_ROOTFS) && |
245 |
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!strcmp(mntbuf->f_mntfromname, "root_device")) { |
246 |
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/* Lookup fstab for name of root device. */ |
247 |
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fs = getfsfile(mntbuf->f_mntonname); |
248 |
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if (fs == NULL) |
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errx(1, |
250 |
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"can't find fstab entry for %s.", |
251 |
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*argv); |
252 |
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} else { |
253 |
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if ((fs = malloc(sizeof(*fs))) == NULL) |
254 |
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err(1, NULL); |
255 |
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fs->fs_vfstype = mntbuf->f_fstypename; |
256 |
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fs->fs_spec = mntbuf->f_mntfromname; |
257 |
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} |
258 |
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/* |
259 |
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* It's an update, ignore the fstab file options. |
260 |
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* Get the current options, so we can change only |
261 |
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* the options which given via a command line. |
262 |
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*/ |
263 |
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fs->fs_mntops = flags2opts(mntbuf->f_flags); |
264 |
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mntonname = mntbuf->f_mntonname; |
265 |
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} else { |
266 |
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if ((fs = getfsfile(mntpath)) == NULL && |
267 |
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(fs = getfsspec(mntpath)) == NULL && |
268 |
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(fs = getfsspec(*argv)) == NULL) |
269 |
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errx(1, "can't find fstab entry for %s.", |
270 |
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*argv); |
271 |
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if (BADTYPE(fs->fs_type)) |
272 |
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errx(1, "%s has unknown file system type.", |
273 |
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*argv); |
274 |
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mntonname = fs->fs_file; |
275 |
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} |
276 |
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rval = mountfs(fs->fs_vfstype, fs->fs_spec, |
277 |
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mntonname, options, fs->fs_mntops, skip); |
278 |
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break; |
279 |
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case 2: |
280 |
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rval = mountfs(vfstype, argv[0], argv[1], options, NULL, 0); |
281 |
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break; |
282 |
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default: |
283 |
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usage(); |
284 |
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} |
285 |
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|
286 |
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/* |
287 |
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* If the mount was successfully, and done by root, tell mountd the |
288 |
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* good news. Pid checks are probably unnecessary, but don't hurt. |
289 |
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* XXX This should be done from kernel. |
290 |
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*/ |
291 |
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if ((rval == 0 || new) && getuid() == 0 && |
292 |
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(mountdfp = fopen(_PATH_MOUNTDPID, "r")) != NULL) { |
293 |
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if (fscanf(mountdfp, "%d", &pid) == 1 && |
294 |
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pid > 0 && kill(pid, SIGHUP) == -1 && errno != ESRCH) |
295 |
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err(1, "signal mountd"); |
296 |
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(void)fclose(mountdfp); |
297 |
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} |
298 |
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|
299 |
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return (rval); |
300 |
|
109 |
} |
301 |
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|
302 |
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int |
303 |
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hasopt(const char *mntopts, const char *option) |
304 |
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{ |
305 |
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int found; |
306 |
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char *opt, *optbuf; |
307 |
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|
308 |
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if (mntopts == NULL) |
309 |
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return (0); |
310 |
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if ((optbuf = strdup(mntopts)) == NULL) |
311 |
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err(1, NULL); |
312 |
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found = 0; |
313 |
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for (opt = optbuf; !found && opt != NULL; strsep(&opt, ",")) |
314 |
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found = !strncmp(opt, option, strlen(option)); |
315 |
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free(optbuf); |
316 |
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return (found); |
317 |
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} |
318 |
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|
319 |
|
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/* |
320 |
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* Convert mount(2) flags to list of mount(8) options. |
321 |
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*/ |
322 |
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char* |
323 |
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flags2opts(u_int32_t flags) |
324 |
|
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{ |
325 |
|
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char *optlist; |
326 |
|
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struct opt *p; |
327 |
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|
328 |
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optlist = NULL; |
329 |
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for (p = optnames; p->o_opt; p++) { |
330 |
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if (flags & p->o_opt && *p->o_optname) |
331 |
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optlist = catopt(optlist, p->o_optname); |
332 |
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} |
333 |
|
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|
334 |
|
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return(optlist); |
335 |
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} |
336 |
|
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|
337 |
|
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int |
338 |
|
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mountfs(const char *vfstype, const char *spec, const char *name, |
339 |
|
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const char *options, const char *mntopts, int skipmounted) |
340 |
|
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{ |
341 |
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char *cp; |
342 |
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|
343 |
|
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/* List of directories containing mount_xxx subcommands. */ |
344 |
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static const char *edirs[] = { |
345 |
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_PATH_SBIN, |
346 |
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_PATH_USRSBIN, |
347 |
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NULL |
348 |
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}; |
349 |
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const char **argv, **edir; |
350 |
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struct statfs sf; |
351 |
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pid_t pid; |
352 |
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int argc, i, status, argvsize; |
353 |
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char *optbuf, execname[PATH_MAX], mntpath[PATH_MAX]; |
354 |
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|
355 |
|
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if (realpath(name, mntpath) == NULL) { |
356 |
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warn("realpath %s", name); |
357 |
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return (1); |
358 |
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} |
359 |
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|
360 |
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name = mntpath; |
361 |
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|
362 |
|
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if (mntopts == NULL) |
363 |
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mntopts = ""; |
364 |
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|
365 |
|
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if (options == NULL) { |
366 |
|
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if (*mntopts == '\0') |
367 |
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options = "rw"; |
368 |
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else { |
369 |
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options = mntopts; |
370 |
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mntopts = ""; |
371 |
|
|
} |
372 |
|
|
} |
373 |
|
|
|
374 |
|
|
/* options follows after mntopts, so they get priority over mntopts */ |
375 |
|
|
if ((cp = strdup(mntopts)) == NULL) |
376 |
|
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err(1, NULL); |
377 |
|
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optbuf = catopt(cp, options); |
378 |
|
|
|
379 |
|
|
if (strcmp(name, "/") == 0) { |
380 |
|
|
if (!hasopt(optbuf, "update")) |
381 |
|
|
optbuf = catopt(optbuf, "update"); |
382 |
|
|
} else if (skipmounted) { |
383 |
|
|
if (statfs(name, &sf) < 0) { |
384 |
|
|
warn("statfs %s", name); |
385 |
|
|
return (1); |
386 |
|
|
} |
387 |
|
|
/* XXX can't check f_mntfromname, thanks to mfs, etc. */ |
388 |
|
|
if (strncmp(name, sf.f_mntonname, MNAMELEN) == 0 && |
389 |
|
|
strncmp(vfstype, sf.f_fstypename, MFSNAMELEN) == 0) { |
390 |
|
|
if (verbose) { |
391 |
|
|
printf("%s", sf.f_mntfromname); |
392 |
|
|
if (strncmp(sf.f_mntfromname, |
393 |
|
|
sf.f_mntfromspec, MNAMELEN) != 0) |
394 |
|
|
printf(" (%s)", sf.f_mntfromspec); |
395 |
|
|
printf(" on %s type %.*s: %s\n", |
396 |
|
|
sf.f_mntonname, |
397 |
|
|
MFSNAMELEN, sf.f_fstypename, |
398 |
|
|
"already mounted"); |
399 |
|
|
} |
400 |
|
|
return (0); |
401 |
|
|
} |
402 |
|
|
} |
403 |
|
|
|
404 |
|
|
argvsize = 64; |
405 |
|
|
if((argv = reallocarray(NULL, argvsize, sizeof(char *))) == NULL) |
406 |
|
|
err(1, NULL); |
407 |
|
|
argc = 0; |
408 |
|
|
argv[argc++] = NULL; /* this should be a full path name */ |
409 |
|
|
mangle(optbuf, &argc, argv, argvsize - 4); |
410 |
|
|
argv[argc++] = spec; |
411 |
|
|
argv[argc++] = name; |
412 |
|
|
argv[argc] = NULL; |
413 |
|
|
|
414 |
|
|
if (debug) { |
415 |
|
|
(void)printf("exec: mount_%s", vfstype); |
416 |
|
|
for (i = 1; i < argc; i++) |
417 |
|
|
(void)printf(" %s", argv[i]); |
418 |
|
|
(void)printf("\n"); |
419 |
|
|
free(optbuf); |
420 |
|
|
free(argv); |
421 |
|
|
return (0); |
422 |
|
|
} |
423 |
|
|
|
424 |
|
|
switch ((pid = fork())) { |
425 |
|
|
case -1: /* Error. */ |
426 |
|
|
warn("fork"); |
427 |
|
|
free(optbuf); |
428 |
|
|
free(argv); |
429 |
|
|
return (1); |
430 |
|
|
case 0: /* Child. */ |
431 |
|
|
/* Go find an executable. */ |
432 |
|
|
edir = edirs; |
433 |
|
|
do { |
434 |
|
|
(void)snprintf(execname, |
435 |
|
|
sizeof(execname), "%s/mount_%s", *edir, vfstype); |
436 |
|
|
argv[0] = execname; |
437 |
|
|
execv(execname, (char * const *)argv); |
438 |
|
|
if (errno != ENOENT) |
439 |
|
|
warn("exec %s for %s", execname, name); |
440 |
|
|
} while (*++edir != NULL); |
441 |
|
|
|
442 |
|
|
if (errno == ENOENT) |
443 |
|
|
warn("no mount helper program found for %s", vfstype); |
444 |
|
|
_exit(1); |
445 |
|
|
default: /* Parent. */ |
446 |
|
|
free(optbuf); |
447 |
|
|
free(argv); |
448 |
|
|
|
449 |
|
|
if (waitpid(pid, &status, 0) < 0) { |
450 |
|
|
warn("waitpid"); |
451 |
|
|
return (1); |
452 |
|
|
} |
453 |
|
|
|
454 |
|
|
if (WIFEXITED(status)) { |
455 |
|
|
if (WEXITSTATUS(status) != 0) |
456 |
|
|
return (WEXITSTATUS(status)); |
457 |
|
|
} else if (WIFSIGNALED(status)) { |
458 |
|
|
warnx("%s: %s", name, strsignal(WTERMSIG(status))); |
459 |
|
|
return (1); |
460 |
|
|
} |
461 |
|
|
|
462 |
|
|
if (verbose) { |
463 |
|
|
if (statfs(name, &sf) < 0) { |
464 |
|
|
warn("statfs %s", name); |
465 |
|
|
return (1); |
466 |
|
|
} |
467 |
|
|
prmount(&sf); |
468 |
|
|
} |
469 |
|
|
break; |
470 |
|
|
} |
471 |
|
|
|
472 |
|
|
return (0); |
473 |
|
|
} |
474 |
|
|
|
475 |
|
|
void |
476 |
|
|
prmount(struct statfs *sf) |
477 |
|
|
{ |
478 |
|
|
int flags; |
479 |
|
|
struct opt *o; |
480 |
|
|
int f = 0; |
481 |
|
|
|
482 |
|
1962 |
printf("%s", sf->f_mntfromname); |
483 |
✗✓✗✗
|
981 |
if (verbose && |
484 |
|
|
strncmp(sf->f_mntfromname, sf->f_mntfromspec, MNAMELEN) != 0) |
485 |
|
|
printf(" (%s)", sf->f_mntfromspec); |
486 |
|
1962 |
printf(" on %s type %.*s", sf->f_mntonname, |
487 |
|
981 |
MFSNAMELEN, sf->f_fstypename); |
488 |
|
|
|
489 |
|
981 |
flags = sf->f_flags & MNT_VISFLAGMASK; |
490 |
✗✓✗✗
|
981 |
if (verbose && !(flags & MNT_RDONLY)) |
491 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", "rw"); |
492 |
✓✓✓✓
|
43491 |
for (o = optnames; flags && o->o_opt; o++) |
493 |
✓✓ |
10137 |
if (flags & o->o_opt) { |
494 |
✓✓ |
2616 |
if (!o->o_silent) |
495 |
|
5014 |
(void)printf("%s%s", !f++ ? " (" : ", ", |
496 |
|
2507 |
o->o_name); |
497 |
|
2616 |
flags &= ~o->o_opt; |
498 |
|
2616 |
} |
499 |
✗✓ |
981 |
if (flags) |
500 |
|
|
(void)printf("%sunknown flag%s %#x", !f++ ? " (" : ", ", |
501 |
|
|
flags & (flags - 1) ? "s" : "", flags); |
502 |
|
|
|
503 |
|
|
|
504 |
✗✓ |
981 |
if (verbose) { |
505 |
|
|
char buf[26]; |
506 |
|
|
time_t t = sf->f_ctime; |
507 |
|
|
|
508 |
|
|
ctime_r(&t, buf); |
509 |
|
|
buf[24] = '\0'; |
510 |
|
|
printf(", ctime=%s", buf); |
511 |
|
|
} |
512 |
|
|
|
513 |
|
|
/* |
514 |
|
|
* Filesystem-specific options |
515 |
|
|
* We only print the "interesting" values unless in verbose |
516 |
|
|
* mode in order to keep the signal/noise ratio high. |
517 |
|
|
*/ |
518 |
✗✓ |
981 |
if (strcmp(sf->f_fstypename, MOUNT_NFS) == 0) { |
519 |
|
|
struct protoent *pr; |
520 |
|
|
struct nfs_args *nfs_args = &sf->mount_info.nfs_args; |
521 |
|
|
|
522 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", |
523 |
|
|
(nfs_args->flags & NFSMNT_NFSV3) ? "v3" : "v2"); |
524 |
|
|
if (nfs_args->proto && (pr = getprotobynumber(nfs_args->proto))) |
525 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", pr->p_name); |
526 |
|
|
else |
527 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", |
528 |
|
|
(nfs_args->sotype == SOCK_DGRAM) ? "udp" : "tcp"); |
529 |
|
|
if (nfs_args->flags & NFSMNT_SOFT) |
530 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", "soft"); |
531 |
|
|
else if (verbose) |
532 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", "hard"); |
533 |
|
|
if (nfs_args->flags & NFSMNT_INT) |
534 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", "intr"); |
535 |
|
|
if (nfs_args->flags & NFSMNT_NOCONN) |
536 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", "noconn"); |
537 |
|
|
if (nfs_args->flags & NFSMNT_RDIRPLUS) |
538 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", "rdirplus"); |
539 |
|
|
if (verbose || nfs_args->wsize != NFS_WSIZE) |
540 |
|
|
(void)printf("%s%s=%d", !f++ ? " (" : ", ", |
541 |
|
|
"wsize", nfs_args->wsize); |
542 |
|
|
if (verbose || nfs_args->rsize != NFS_RSIZE) |
543 |
|
|
(void)printf("%s%s=%d", !f++ ? " (" : ", ", |
544 |
|
|
"rsize", nfs_args->rsize); |
545 |
|
|
if (verbose || nfs_args->readdirsize != NFS_READDIRSIZE) |
546 |
|
|
(void)printf("%s%s=%d", !f++ ? " (" : ", ", |
547 |
|
|
"rdirsize", nfs_args->readdirsize); |
548 |
|
|
if (verbose || nfs_args->timeo != 10) /* XXX */ |
549 |
|
|
(void)printf("%s%s=%d", !f++ ? " (" : ", ", |
550 |
|
|
"timeo", nfs_args->timeo); |
551 |
|
|
if (verbose || nfs_args->retrans != NFS_RETRANS) |
552 |
|
|
(void)printf("%s%s=%d", !f++ ? " (" : ", ", |
553 |
|
|
"retrans", nfs_args->retrans); |
554 |
|
|
if (verbose || nfs_args->maxgrouplist != NFS_MAXGRPS) |
555 |
|
|
(void)printf("%s%s=%d", !f++ ? " (" : ", ", |
556 |
|
|
"maxgrouplist", nfs_args->maxgrouplist); |
557 |
|
|
if (verbose || nfs_args->readahead != NFS_DEFRAHEAD) |
558 |
|
|
(void)printf("%s%s=%d", !f++ ? " (" : ", ", |
559 |
|
|
"readahead", nfs_args->readahead); |
560 |
|
|
if (verbose) { |
561 |
|
|
(void)printf("%s%s=%d", !f++ ? " (" : ", ", |
562 |
|
|
"acregmin", nfs_args->acregmin); |
563 |
|
|
(void)printf(", %s=%d", |
564 |
|
|
"acregmax", nfs_args->acregmax); |
565 |
|
|
(void)printf(", %s=%d", |
566 |
|
|
"acdirmin", nfs_args->acdirmin); |
567 |
|
|
(void)printf(", %s=%d", |
568 |
|
|
"acdirmax", nfs_args->acdirmax); |
569 |
|
|
} |
570 |
✗✓ |
981 |
} else if (strcmp(sf->f_fstypename, MOUNT_MFS) == 0) { |
571 |
|
|
int headerlen; |
572 |
|
|
long blocksize; |
573 |
|
|
char *header; |
574 |
|
|
|
575 |
|
|
header = getbsize(&headerlen, &blocksize); |
576 |
|
|
(void)printf("%s%s=%lu %s", !f++ ? " (" : ", ", |
577 |
|
|
"size", sf->mount_info.mfs_args.size / blocksize, header); |
578 |
✗✓ |
981 |
} else if (strcmp(sf->f_fstypename, MOUNT_MSDOS) == 0) { |
579 |
|
|
struct msdosfs_args *msdosfs_args = &sf->mount_info.msdosfs_args; |
580 |
|
|
|
581 |
|
|
if (verbose || msdosfs_args->uid || msdosfs_args->gid) |
582 |
|
|
(void)printf("%s%s=%u, %s=%u", !f++ ? " (" : ", ", |
583 |
|
|
"uid", msdosfs_args->uid, "gid", msdosfs_args->gid); |
584 |
|
|
if (verbose || msdosfs_args->mask != 0755) |
585 |
|
|
(void)printf("%s%s=0%o", !f++ ? " (" : ", ", |
586 |
|
|
"mask", msdosfs_args->mask); |
587 |
|
|
if (msdosfs_args->flags & MSDOSFSMNT_SHORTNAME) |
588 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", "short"); |
589 |
|
|
if (msdosfs_args->flags & MSDOSFSMNT_LONGNAME) |
590 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", "long"); |
591 |
|
|
if (msdosfs_args->flags & MSDOSFSMNT_NOWIN95) |
592 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", "nowin95"); |
593 |
✗✓ |
981 |
} else if (strcmp(sf->f_fstypename, MOUNT_CD9660) == 0) { |
594 |
|
|
struct iso_args *iso_args = &sf->mount_info.iso_args; |
595 |
|
|
|
596 |
|
|
if (iso_args->flags & ISOFSMNT_NORRIP) |
597 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", "norrip"); |
598 |
|
|
if (iso_args->flags & ISOFSMNT_GENS) |
599 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", "gens"); |
600 |
|
|
if (iso_args->flags & ISOFSMNT_EXTATT) |
601 |
|
|
(void)printf("%s%s", !f++ ? " (" : ", ", "extatt"); |
602 |
✗✓ |
981 |
} else if (strcmp(sf->f_fstypename, MOUNT_TMPFS) == 0) { |
603 |
|
|
struct tmpfs_args *tmpfs_args = &sf->mount_info.tmpfs_args; |
604 |
|
|
|
605 |
|
|
if (verbose || tmpfs_args->ta_root_uid || tmpfs_args->ta_root_gid) |
606 |
|
|
(void)printf("%s%s=%u, %s=%u", !f++ ? " (" : ", ", |
607 |
|
|
"uid", tmpfs_args->ta_root_uid, "gid", tmpfs_args->ta_root_gid); |
608 |
|
|
if (verbose || tmpfs_args->ta_root_mode != 040755) |
609 |
|
|
(void)printf("%s%s=%04o", !f++ ? " (" : ", ", |
610 |
|
|
"mode", tmpfs_args->ta_root_mode & 07777); |
611 |
|
|
if (verbose || tmpfs_args->ta_size_max) |
612 |
|
|
(void)printf("%s%s=%lu", !f++ ? " (" : ", ", |
613 |
|
|
"size", (unsigned long)tmpfs_args->ta_size_max); |
614 |
|
|
if (verbose || tmpfs_args->ta_nodes_max) |
615 |
|
|
(void)printf("%s%s=%lu", !f++ ? " (" : ", ", |
616 |
|
|
"inodes", (unsigned long)tmpfs_args->ta_nodes_max); |
617 |
|
|
} |
618 |
|
981 |
(void)printf(f ? ")\n" : "\n"); |
619 |
|
981 |
} |
620 |
|
|
|
621 |
|
|
struct statfs * |
622 |
|
|
getmntpt(const char *name) |
623 |
|
|
{ |
624 |
|
|
struct statfs *mntbuf; |
625 |
|
|
int i, mntsize; |
626 |
|
|
|
627 |
|
|
mntsize = getmntinfo(&mntbuf, MNT_NOWAIT); |
628 |
|
|
for (i = 0; i < mntsize; i++) |
629 |
|
|
if (strcmp(mntbuf[i].f_mntfromname, name) == 0 || |
630 |
|
|
strcmp(mntbuf[i].f_mntonname, name) == 0) |
631 |
|
|
return (&mntbuf[i]); |
632 |
|
|
return (NULL); |
633 |
|
|
} |
634 |
|
|
|
635 |
|
|
static enum { IN_LIST, NOT_IN_LIST } which; |
636 |
|
|
|
637 |
|
|
int |
638 |
|
|
selected(const char *type) |
639 |
|
|
{ |
640 |
|
|
char **av; |
641 |
|
|
|
642 |
|
|
/* If no type specified, it's always selected. */ |
643 |
✓✗ |
1962 |
if (typelist == NULL) |
644 |
|
981 |
return (1); |
645 |
|
|
for (av = typelist; *av != NULL; ++av) |
646 |
|
|
if (!strncmp(type, *av, MFSNAMELEN)) |
647 |
|
|
return (which == IN_LIST ? 1 : 0); |
648 |
|
|
return (which == IN_LIST ? 0 : 1); |
649 |
|
981 |
} |
650 |
|
|
|
651 |
|
|
void |
652 |
|
|
maketypelist(char *fslist) |
653 |
|
|
{ |
654 |
|
|
int i; |
655 |
|
|
char *nextcp, **av; |
656 |
|
|
|
657 |
|
|
if ((fslist == NULL) || (fslist[0] == '\0')) |
658 |
|
|
errx(1, "empty type list"); |
659 |
|
|
|
660 |
|
|
/* |
661 |
|
|
* XXX |
662 |
|
|
* Note: the syntax is "noxxx,yyy" for no xxx's and |
663 |
|
|
* no yyy's, not the more intuitive "noxxx,noyyy". |
664 |
|
|
*/ |
665 |
|
|
if (fslist[0] == 'n' && fslist[1] == 'o') { |
666 |
|
|
fslist += 2; |
667 |
|
|
which = NOT_IN_LIST; |
668 |
|
|
} else |
669 |
|
|
which = IN_LIST; |
670 |
|
|
|
671 |
|
|
/* Count the number of types. */ |
672 |
|
|
for (i = 1, nextcp = fslist; (nextcp = strchr(nextcp, ',')); i++) |
673 |
|
|
++nextcp; |
674 |
|
|
|
675 |
|
|
/* Build an array of that many types. */ |
676 |
|
|
if ((av = typelist = reallocarray(NULL, i + 1, sizeof(char *))) == NULL) |
677 |
|
|
err(1, NULL); |
678 |
|
|
av[0] = fslist; |
679 |
|
|
for (i = 1, nextcp = fslist; (nextcp = strchr(nextcp, ',')); i++) { |
680 |
|
|
*nextcp = '\0'; |
681 |
|
|
av[i] = ++nextcp; |
682 |
|
|
} |
683 |
|
|
/* Terminate the array. */ |
684 |
|
|
av[i] = NULL; |
685 |
|
|
} |
686 |
|
|
|
687 |
|
|
char * |
688 |
|
|
catopt(char *s0, const char *s1) |
689 |
|
|
{ |
690 |
|
|
char *cp; |
691 |
|
|
|
692 |
|
|
if (s0 && *s0) { |
693 |
|
|
if (asprintf(&cp, "%s,%s", s0, s1) == -1) |
694 |
|
|
err(1, NULL); |
695 |
|
|
} else { |
696 |
|
|
if ((cp = strdup(s1)) == NULL) |
697 |
|
|
err(1, NULL); |
698 |
|
|
} |
699 |
|
|
|
700 |
|
|
free(s0); |
701 |
|
|
return cp; |
702 |
|
|
} |
703 |
|
|
|
704 |
|
|
void |
705 |
|
|
mangle(char *options, int *argcp, const char **argv, int argcmax) |
706 |
|
|
{ |
707 |
|
|
char *p, *s; |
708 |
|
|
int argc; |
709 |
|
|
|
710 |
|
|
argcmax -= 2; |
711 |
|
|
argc = *argcp; |
712 |
|
|
for (s = options; argc <= argcmax && (p = strsep(&s, ",")) != NULL;) |
713 |
|
|
if (*p != '\0') { |
714 |
|
|
if (*p == '-') { |
715 |
|
|
argv[argc++] = p; |
716 |
|
|
p = strchr(p, '='); |
717 |
|
|
if (p) { |
718 |
|
|
*p = '\0'; |
719 |
|
|
argv[argc++] = p + 1; |
720 |
|
|
} |
721 |
|
|
} else { |
722 |
|
|
argv[argc++] = "-o"; |
723 |
|
|
argv[argc++] = p; |
724 |
|
|
} |
725 |
|
|
} |
726 |
|
|
|
727 |
|
|
*argcp = argc; |
728 |
|
|
} |
729 |
|
|
|
730 |
|
|
__dead void |
731 |
|
|
usage(void) |
732 |
|
|
{ |
733 |
|
|
(void)fprintf(stderr, |
734 |
|
|
"usage: mount [-AadfNruvw] [-t type]\n" |
735 |
|
|
" mount [-dfrsuvw] special | node\n" |
736 |
|
|
" mount [-dfruvw] [-o options] [-t type] special node\n"); |
737 |
|
|
exit(1); |
738 |
|
|
} |
739 |
|
|
|
740 |
|
|
int |
741 |
|
|
disklabelcheck(struct fstab *fs) |
742 |
|
|
{ |
743 |
|
|
char *labelfs; |
744 |
|
|
|
745 |
|
|
if (strcmp(fs->fs_vfstype, "nfs") != 0 || |
746 |
|
|
strpbrk(fs->fs_spec, ":@") == NULL) { |
747 |
|
|
labelfs = readlabelfs(fs->fs_spec, 0); |
748 |
|
|
if (labelfs == NULL || |
749 |
|
|
strcmp(labelfs, fs->fs_vfstype) == 0) |
750 |
|
|
return (0); |
751 |
|
|
if (strcmp(fs->fs_vfstype, "ufs") == 0 && |
752 |
|
|
strcmp(labelfs, "ffs") == 0) { |
753 |
|
|
warnx("%s: fstab uses outdated type 'ufs' -- fix please", |
754 |
|
|
fs->fs_spec); |
755 |
|
|
return (0); |
756 |
|
|
} |
757 |
|
|
if (strcmp(fs->fs_vfstype, "mfs") == 0 && |
758 |
|
|
strcmp(labelfs, "ffs") == 0) |
759 |
|
|
return (0); |
760 |
|
|
warnx("%s: fstab type %s != disklabel type %s", |
761 |
|
|
fs->fs_spec, fs->fs_vfstype, labelfs); |
762 |
|
|
return (1); |
763 |
|
|
} |
764 |
|
|
return (0); |
765 |
|
|
} |