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>
47 while (*cp && isspace(*cp))
51 while (*cp && *cp != ',')
64 hasmntopt(struct mnttab *mnt, char *opt)
66 char tmpopts[MNT_LINE_MAX];
67 char *f, *opts = tmpopts;
69 if (mnt->mnt_mntopts == NULL)
71 (void) strcpy(opts, mnt->mnt_mntopts);
73 for (; *f; f = mntopt(&opts)) {
74 if (strncmp(opt, f, strlen(opt)) == 0)
75 return (f - tmpopts + mnt->mnt_mntopts);
81 optadd(char *mntopts, size_t size, const char *opt)
84 if (mntopts[0] != '\0')
85 strlcat(mntopts, ",", size);
86 strlcat(mntopts, opt, size);
90 getmntany(FILE *fd __unused, struct mnttab *mgetp, struct mnttab *mrefp)
92 static struct statfs *sfs = NULL;
93 static char mntopts[MNTMAXSTR];
103 n = getfsstat(NULL, 0, MNT_NOWAIT);
106 n = sizeof(*sfs) * (n + 8);
110 n = getfsstat(sfs, n, MNT_WAIT);
116 for (i = 0; i < n; i++) {
117 if (mrefp->mnt_special != NULL &&
118 strcmp(mrefp->mnt_special, sfs[i].f_mntfromname) != 0) {
121 if (mrefp->mnt_mountp != NULL &&
122 strcmp(mrefp->mnt_mountp, sfs[i].f_mntonname) != 0) {
125 if (mrefp->mnt_fstype != NULL &&
126 strcmp(mrefp->mnt_fstype, sfs[i].f_fstypename) != 0) {
129 flags = sfs[i].f_flags;
130 #define OPTADD(opt) optadd(mntopts, sizeof(mntopts), (opt))
131 if (flags & MNT_RDONLY)
135 if (flags & MNT_NOSUID)
136 OPTADD(MNTOPT_NOSUID);
138 OPTADD(MNTOPT_SETUID);
139 if (flags & MNT_UPDATE)
140 OPTADD(MNTOPT_REMOUNT);
141 if (flags & MNT_NOATIME)
142 OPTADD(MNTOPT_NOATIME);
144 OPTADD(MNTOPT_ATIME);
145 OPTADD(MNTOPT_NOXATTR);
146 if (flags & MNT_NOEXEC)
147 OPTADD(MNTOPT_NOEXEC);
151 mgetp->mnt_special = sfs[i].f_mntfromname;
152 mgetp->mnt_mountp = sfs[i].f_mntonname;
153 mgetp->mnt_fstype = sfs[i].f_fstypename;
154 mgetp->mnt_mntopts = mntopts;