1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
28 /* All Rights Reserved */
29
30
31 #pragma ident "%Z%%M% %I% %E% SMI"
32
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <signal.h>
36 #include <string.h>
37 #include <unistd.h>
38 #include <errno.h>
39 #include <sys/mnttab.h>
40 #include <sys/mount.h>
41 #include <sys/types.h>
42 #include <locale.h>
43 #include <fslib.h>
44
45 #define NAME_MAX 64 /* sizeof "fstype myname" */
46
47 #define FSTYPE "fd"
48
49 static char optbuf[MAX_MNTOPT_STR] = { '\0', };
50 static int optsize = 0;
51
52 static int flags = 0;
53 static int mflg = 0;
54 static int qflg = 0;
55
56 static char typename[NAME_MAX], *myname;
57 static char fstype[] = FSTYPE;
58
59 static void usage(void);
60 static void do_mount(char *, char *, int);
61
62 int
main(int argc,char ** argv)63 main(int argc, char **argv)
64 {
65 char *special, *mountp;
66 int errflag = 0;
67 int cc;
68
69 (void) setlocale(LC_ALL, "");
70
71 #if !defined(TEXT_DOMAIN)
72 #define TEXT_DOMAIN "SYS_TEST"
73 #endif
74 (void) textdomain(TEXT_DOMAIN);
75
76 myname = strrchr(argv[0], '/');
77 if (myname)
78 myname++;
79 else
80 myname = argv[0];
81 (void) snprintf(typename, sizeof (typename), "%s %s", fstype, myname);
82 argv[0] = typename;
83
84 /*
85 * check for proper arguments
86 */
87
88 while ((cc = getopt(argc, argv, "o:rmOq")) != -1)
89 switch (cc) {
90 case 'r':
91 if (flags & MS_RDONLY)
92 errflag = 1;
93 else
94 flags |= MS_RDONLY;
95 break;
96 case 'O':
97 flags |= MS_OVERLAY;
98 break;
99 case 'q':
100 qflg = 1;
101 break;
102 case 'm':
103 mflg++;
104 break;
105 case 'o':
106 if (strlcpy(optbuf, optarg, sizeof (optbuf)) >=
107 sizeof (optbuf)) {
108 (void) fprintf(stderr,
109 gettext("%s: Invalid argument: %s\n"),
110 myname, optarg);
111 return (2);
112 }
113 optsize = strlen(optbuf);
114 break;
115 default:
116 case '?':
117 errflag = 1;
118 break;
119 }
120
121 /*
122 * There must be at least 2 more arguments, the
123 * special file and the directory.
124 */
125
126 if (((argc - optind) != 2) || (errflag))
127 usage();
128
129 special = argv[optind++];
130 mountp = argv[optind++];
131
132 /*
133 * Perform the mount.
134 * Only the low-order bit of "flags" is used by the system
135 * calls (to denote read-only or read-write).
136 */
137 if (mflg)
138 flags |= MS_NOMNTTAB;
139 do_mount(special, mountp, flags);
140 exit(0);
141 /* NOTREACHED */
142 }
143
144 static void
rpterr(char * bs,char * mp)145 rpterr(char *bs, char *mp)
146 {
147 switch (errno) {
148 case EPERM:
149 (void) fprintf(stderr,
150 gettext("%s: insufficient privileges\n"), myname);
151 break;
152 case ENXIO:
153 (void) fprintf(stderr,
154 gettext("%s: %s no such device\n"), myname, bs);
155 break;
156 case ENOTDIR:
157 (void) fprintf(stderr,
158 gettext("%s: %s not a directory\n"
159 "\tor a component of %s is not a directory\n"),
160 myname, mp, bs);
161 break;
162 case ENOENT:
163 (void) fprintf(stderr,
164 gettext("%s: %s or %s, no such file or directory\n"),
165 myname, bs, mp);
166 break;
167 case EINVAL:
168 (void) fprintf(stderr, gettext("%s: %s is not this fstype.\n"),
169 myname, bs);
170 break;
171 case EBUSY:
172 (void) fprintf(stderr,
173 gettext("%s: %s is already mounted or %s is busy\n"),
174 myname, bs, mp);
175 break;
176 case ENOTBLK:
177 (void) fprintf(stderr, gettext("%s: %s not a block device\n"),
178 myname, bs);
179 break;
180 case EROFS:
181 (void) fprintf(stderr,
182 gettext("%s: %s write-protected\n"), myname, bs);
183 break;
184 case ENOSPC:
185 (void) fprintf(stderr,
186 gettext("%s: the state of %s is not okay\n"
187 "\tand it was attempted to mount read/write\n"),
188 myname, bs);
189 break;
190 default:
191 perror(myname);
192 (void) fprintf(stderr, gettext("%s: cannot mount %s\n"),
193 myname, bs);
194 }
195 }
196
197
198 static void
do_mount(char * special,char * mountp,int rflag)199 do_mount(char *special, char *mountp, int rflag)
200 {
201 char *savedoptbuf;
202
203 if ((savedoptbuf = strdup(optbuf)) == NULL) {
204 (void) fprintf(stderr, gettext("%s: out of memory\n"),
205 myname);
206 exit(2);
207 }
208 if (mount(special, mountp, rflag | MS_OPTIONSTR,
209 fstype, NULL, 0, optbuf, MAX_MNTOPT_STR)) {
210 rpterr(special, mountp);
211 exit(2);
212 }
213 if (optsize && !qflg)
214 cmp_requested_to_actual_options(savedoptbuf, optbuf,
215 special, mountp);
216 }
217
218
219 static void
usage(void)220 usage(void)
221 {
222 (void) fprintf(stderr,
223 gettext("Usage: %s [-rmOq] [-o specific_options]"
224 " special mount_point\n"), myname);
225 exit(1);
226 }
227