Deleted Added
full compact
mount_msdosfs.c (2892) mount_msdosfs.c (2999)
1/*
2 * Copyright (c) 1994 Christopher G. Demetriou
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Christopher G. Demetriou.
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef lint
1/*
2 * Copyright (c) 1994 Christopher G. Demetriou
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Christopher G. Demetriou.
16 * 4. The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef lint
32static char rcsid[] = "$Id: mount_msdos.c,v 1.8 1994/07/16 21:32:08 cgd Exp $";
32static char rcsid[] = "$Id: mount_msdos.c,v 1.1 1994/09/19 15:30:36 dfr Exp $";
33#endif /* not lint */
34
35#include <sys/cdefs.h>
36#include <sys/param.h>
37#define MSDOSFS
38#include <sys/mount.h>
39#include <sys/stat.h>
40#include <ctype.h>
41#include <err.h>
42#include <grp.h>
43#include <pwd.h>
44#include <stdio.h>
45#include <stdlib.h>
46#include <string.h>
47#include <unistd.h>
48
49#include "mntopts.h"
50
51struct mntopt mopts[] = {
52 MOPT_STDOPTS,
53 { NULL }
54};
55
56gid_t a_gid __P((char *));
57uid_t a_uid __P((char *));
58mode_t a_mask __P((char *));
59void usage __P((void));
60
61int
62main(argc, argv)
63 int argc;
64 char **argv;
65{
66 struct msdosfs_args args;
67 struct stat sb;
68 int c, mntflags, set_gid, set_uid, set_mask;
69 char *dev, *dir, ndir[MAXPATHLEN+1];
33#endif /* not lint */
34
35#include <sys/cdefs.h>
36#include <sys/param.h>
37#define MSDOSFS
38#include <sys/mount.h>
39#include <sys/stat.h>
40#include <ctype.h>
41#include <err.h>
42#include <grp.h>
43#include <pwd.h>
44#include <stdio.h>
45#include <stdlib.h>
46#include <string.h>
47#include <unistd.h>
48
49#include "mntopts.h"
50
51struct mntopt mopts[] = {
52 MOPT_STDOPTS,
53 { NULL }
54};
55
56gid_t a_gid __P((char *));
57uid_t a_uid __P((char *));
58mode_t a_mask __P((char *));
59void usage __P((void));
60
61int
62main(argc, argv)
63 int argc;
64 char **argv;
65{
66 struct msdosfs_args args;
67 struct stat sb;
68 int c, mntflags, set_gid, set_uid, set_mask;
69 char *dev, *dir, ndir[MAXPATHLEN+1];
70 struct vfsconf *vfc;
70
71 mntflags = set_gid = set_uid = set_mask = 0;
72 (void)memset(&args, '\0', sizeof(args));
73
74 while ((c = getopt(argc, argv, "u:g:m:o:")) != EOF) {
75 switch (c) {
76 case 'u':
77 args.uid = a_uid(optarg);
78 set_uid = 1;
79 break;
80 case 'g':
81 args.gid = a_gid(optarg);
82 set_gid = 1;
83 break;
84 case 'm':
85 args.mask = a_mask(optarg);
86 set_mask = 1;
87 break;
88 case 'o':
89 getmntopts(optarg, mopts, &mntflags);
90 break;
91 case '?':
92 default:
93 usage();
94 break;
95 }
96 }
97
98 if (optind + 2 != argc)
99 usage();
100
101 dev = argv[optind];
102 dir = argv[optind + 1];
103 if (dir[0] != '/') {
104 warnx("\"%s\" is a relative path.", dir);
105 if (getcwd(ndir, sizeof(ndir)) == NULL)
106 err(1, "getcwd");
107 strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1);
108 strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1);
109 dir = ndir;
110 warnx("using \"%s\" instead.", dir);
111 }
112
113 args.fspec = dev;
114 args.export.ex_root = -2; /* unchecked anyway on DOS fs */
115 if (mntflags & MNT_RDONLY)
116 args.export.ex_flags = MNT_EXRDONLY;
117 else
118 args.export.ex_flags = 0;
119 if (!set_gid || !set_uid || !set_mask) {
120 if (stat(dir, &sb) == -1)
121 err(1, "stat %s", dir);
122
123 if (!set_uid)
124 args.uid = sb.st_uid;
125 if (!set_gid)
126 args.gid = sb.st_gid;
127 if (!set_mask)
128 args.mask = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
129 }
130
71
72 mntflags = set_gid = set_uid = set_mask = 0;
73 (void)memset(&args, '\0', sizeof(args));
74
75 while ((c = getopt(argc, argv, "u:g:m:o:")) != EOF) {
76 switch (c) {
77 case 'u':
78 args.uid = a_uid(optarg);
79 set_uid = 1;
80 break;
81 case 'g':
82 args.gid = a_gid(optarg);
83 set_gid = 1;
84 break;
85 case 'm':
86 args.mask = a_mask(optarg);
87 set_mask = 1;
88 break;
89 case 'o':
90 getmntopts(optarg, mopts, &mntflags);
91 break;
92 case '?':
93 default:
94 usage();
95 break;
96 }
97 }
98
99 if (optind + 2 != argc)
100 usage();
101
102 dev = argv[optind];
103 dir = argv[optind + 1];
104 if (dir[0] != '/') {
105 warnx("\"%s\" is a relative path.", dir);
106 if (getcwd(ndir, sizeof(ndir)) == NULL)
107 err(1, "getcwd");
108 strncat(ndir, "/", sizeof(ndir) - strlen(ndir) - 1);
109 strncat(ndir, dir, sizeof(ndir) - strlen(ndir) - 1);
110 dir = ndir;
111 warnx("using \"%s\" instead.", dir);
112 }
113
114 args.fspec = dev;
115 args.export.ex_root = -2; /* unchecked anyway on DOS fs */
116 if (mntflags & MNT_RDONLY)
117 args.export.ex_flags = MNT_EXRDONLY;
118 else
119 args.export.ex_flags = 0;
120 if (!set_gid || !set_uid || !set_mask) {
121 if (stat(dir, &sb) == -1)
122 err(1, "stat %s", dir);
123
124 if (!set_uid)
125 args.uid = sb.st_uid;
126 if (!set_gid)
127 args.gid = sb.st_gid;
128 if (!set_mask)
129 args.mask = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
130 }
131
131 if (mount(MOUNT_MSDOS, dir, mntflags, &args) < 0)
132 vfc = getvfsbyname("msdos");
133 if(!vfc && vfsisloadable("msdos")) {
134 if(vfsload("msdos"))
135 err(1, "vfsload(msdos)");
136 endvfsent(); /* clear cache */
137 vfc = getvfsbyname("msdos");
138 }
139
140 if (mount(vfc ? vfc->vfc_index : MOUNT_MSDOS, dir, mntflags, &args) < 0)
132 err(1, "mount");
133
134 exit (0);
135}
136
137gid_t
138a_gid(s)
139 char *s;
140{
141 struct group *gr;
142 char *gname;
143 gid_t gid;
144
145 if ((gr = getgrnam(s)) != NULL)
146 gid = gr->gr_gid;
147 else {
148 for (gname = s; *s && isdigit(*s); ++s);
149 if (!*s)
150 gid = atoi(gname);
151 else
152 errx(1, "unknown group id: %s", gname);
153 }
154 return (gid);
155}
156
157uid_t
158a_uid(s)
159 char *s;
160{
161 struct passwd *pw;
162 char *uname;
163 uid_t uid;
164
165 if ((pw = getpwnam(s)) != NULL)
166 uid = pw->pw_uid;
167 else {
168 for (uname = s; *s && isdigit(*s); ++s);
169 if (!*s)
170 uid = atoi(uname);
171 else
172 errx(1, "unknown user id: %s", uname);
173 }
174 return (uid);
175}
176
177mode_t
178a_mask(s)
179 char *s;
180{
181 int done, rv;
182 char *ep;
183
184 done = 0;
185 if (*s >= '0' && *s <= '7') {
186 done = 1;
187 rv = strtol(optarg, &ep, 8);
188 }
189 if (!done || rv < 0 || *ep)
190 errx(1, "invalid file mode: %s", s);
191 return (rv);
192}
193
194void
195usage()
196{
197 fprintf(stderr, "usage: mount_msdos [-F flags] [-u user] [-g group] [-m mask] bdev dir\n");
198 exit(1);
199}
141 err(1, "mount");
142
143 exit (0);
144}
145
146gid_t
147a_gid(s)
148 char *s;
149{
150 struct group *gr;
151 char *gname;
152 gid_t gid;
153
154 if ((gr = getgrnam(s)) != NULL)
155 gid = gr->gr_gid;
156 else {
157 for (gname = s; *s && isdigit(*s); ++s);
158 if (!*s)
159 gid = atoi(gname);
160 else
161 errx(1, "unknown group id: %s", gname);
162 }
163 return (gid);
164}
165
166uid_t
167a_uid(s)
168 char *s;
169{
170 struct passwd *pw;
171 char *uname;
172 uid_t uid;
173
174 if ((pw = getpwnam(s)) != NULL)
175 uid = pw->pw_uid;
176 else {
177 for (uname = s; *s && isdigit(*s); ++s);
178 if (!*s)
179 uid = atoi(uname);
180 else
181 errx(1, "unknown user id: %s", uname);
182 }
183 return (uid);
184}
185
186mode_t
187a_mask(s)
188 char *s;
189{
190 int done, rv;
191 char *ep;
192
193 done = 0;
194 if (*s >= '0' && *s <= '7') {
195 done = 1;
196 rv = strtol(optarg, &ep, 8);
197 }
198 if (!done || rv < 0 || *ep)
199 errx(1, "invalid file mode: %s", s);
200 return (rv);
201}
202
203void
204usage()
205{
206 fprintf(stderr, "usage: mount_msdos [-F flags] [-u user] [-g group] [-m mask] bdev dir\n");
207 exit(1);
208}