2 * Copyright (c) 2006 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * This file implements Solaris compatible getmntany() and hasmntopt()
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #include <sys/param.h>
36 #include <sys/mount.h>
37 #include <sys/mntent.h>
38 #include <sys/mnttab.h>
49 while (*cp && isspace(*cp))
53 while (*cp && *cp != ',')
66 hasmntopt(struct mnttab *mnt, char *opt)
68 char tmpopts[MNT_LINE_MAX];
69 char *f, *opts = tmpopts;
71 if (mnt->mnt_mntopts == NULL)
73 (void) strcpy(opts, mnt->mnt_mntopts);
75 for (; *f; f = mntopt(&opts)) {
76 if (strncmp(opt, f, strlen(opt)) == 0)
77 return (f - tmpopts + mnt->mnt_mntopts);
83 optadd(char *mntopts, size_t size, const char *opt)
86 if (mntopts[0] != '\0')
87 strlcat(mntopts, ",", size);
88 strlcat(mntopts, opt, size);
92 getmntany(FILE *fd __unused, struct mnttab *mgetp, struct mnttab *mrefp)
94 static struct statfs *sfs = NULL;
95 static char mntopts[MNTMAXSTR];
105 n = getfsstat(NULL, 0, MNT_NOWAIT);
108 n = sizeof(*sfs) * (n + 8);
112 n = getfsstat(sfs, n, MNT_WAIT);
118 for (i = 0; i < n; i++) {
119 if (mrefp->mnt_special != NULL &&
120 strcmp(mrefp->mnt_special, sfs[i].f_mntfromname) != 0) {
123 if (mrefp->mnt_mountp != NULL &&
124 strcmp(mrefp->mnt_mountp, sfs[i].f_mntonname) != 0) {
127 if (mrefp->mnt_fstype != NULL &&
128 strcmp(mrefp->mnt_fstype, sfs[i].f_fstypename) != 0) {
131 flags = sfs[i].f_flags;
132 #define OPTADD(opt) optadd(mntopts, sizeof(mntopts), (opt))
133 if (flags & MNT_RDONLY)
137 if (flags & MNT_NOSUID)
138 OPTADD(MNTOPT_NOSUID);
140 OPTADD(MNTOPT_SETUID);
141 if (flags & MNT_UPDATE)
142 OPTADD(MNTOPT_REMOUNT);
143 if (flags & MNT_NOATIME)
144 OPTADD(MNTOPT_NOATIME);
146 OPTADD(MNTOPT_ATIME);
147 OPTADD(MNTOPT_NOXATTR);
148 if (flags & MNT_NOEXEC)
149 OPTADD(MNTOPT_NOEXEC);
153 mgetp->mnt_special = sfs[i].f_mntfromname;
154 mgetp->mnt_mountp = sfs[i].f_mntonname;
155 mgetp->mnt_fstype = sfs[i].f_fstypename;
156 mgetp->mnt_mntopts = mntopts;