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 #include <stdio.h>
31 #include <stdlib.h>
32 #include <signal.h>
33 #include <string.h>
34 #include <unistd.h>
35 #include <errno.h>
36 #include <sys/mnttab.h>
37 #include <sys/mount.h>
38 #include <sys/types.h>
39 #include <locale.h>
40 #include <fslib.h>
41
42 #define NAME_MAX 64 /* sizeof "fstype myname" */
43
44 #define FSTYPE "fd"
45
46 static char optbuf[MAX_MNTOPT_STR] = { '\0', };
47 static int optsize = 0;
48
49 static int flags = 0;
50 static int mflg = 0;
51 static int qflg = 0;
52
53 static char typename[NAME_MAX], *myname;
54 static char fstype[] = FSTYPE;
55
56 static void usage(void);
57 static void do_mount(char *, char *, int);
58
59 int
main(int argc,char ** argv)60 main(int argc, char **argv)
61 {
62 char *special, *mountp;
63 int errflag = 0;
64 int cc;
65
66 (void) setlocale(LC_ALL, "");
67
68 #if !defined(TEXT_DOMAIN)
69 #define TEXT_DOMAIN "SYS_TEST"
70 #endif
71 (void) textdomain(TEXT_DOMAIN);
72
73 myname = strrchr(argv[0], '/');
74 if (myname)
75 myname++;
76 else
77 myname = argv[0];
78 (void) snprintf(typename, sizeof (typename), "%s %s", fstype, myname);
79 argv[0] = typename;
80
81 /*
82 * check for proper arguments
83 */
84
85 while ((cc = getopt(argc, argv, "o:rmOq")) != -1)
86 switch (cc) {
87 case 'r':
88 if (flags & MS_RDONLY)
89 errflag = 1;
90 else
91 flags |= MS_RDONLY;
92 break;
93 case 'O':
94 flags |= MS_OVERLAY;
95 break;
96 case 'q':
97 qflg = 1;
98 break;
99 case 'm':
100 mflg++;
101 break;
102 case 'o':
103 if (strlcpy(optbuf, optarg, sizeof (optbuf)) >=
104 sizeof (optbuf)) {
105 (void) fprintf(stderr,
106 gettext("%s: Invalid argument: %s\n"),
107 myname, optarg);
108 return (2);
109 }
110 optsize = strlen(optbuf);
111 break;
112 default:
113 case '?':
114 errflag = 1;
115 break;
116 }
117
118 /*
119 * There must be at least 2 more arguments, the
120 * special file and the directory.
121 */
122
123 if (((argc - optind) != 2) || (errflag))
124 usage();
125
126 special = argv[optind++];
127 mountp = argv[optind++];
128
129 /*
130 * Perform the mount.
131 * Only the low-order bit of "flags" is used by the system
132 * calls (to denote read-only or read-write).
133 */
134 if (mflg)
135 flags |= MS_NOMNTTAB;
136 do_mount(special, mountp, flags);
137 exit(0);
138 /* NOTREACHED */
139 }
140
141 static void
rpterr(char * bs,char * mp)142 rpterr(char *bs, char *mp)
143 {
144 switch (errno) {
145 case EPERM:
146 (void) fprintf(stderr,
147 gettext("%s: insufficient privileges\n"), myname);
148 break;
149 case ENXIO:
150 (void) fprintf(stderr,
151 gettext("%s: %s no such device\n"), myname, bs);
152 break;
153 case ENOTDIR:
154 (void) fprintf(stderr,
155 gettext("%s: %s not a directory\n"
156 "\tor a component of %s is not a directory\n"),
157 myname, mp, bs);
158 break;
159 case ENOENT:
160 (void) fprintf(stderr,
161 gettext("%s: %s or %s, no such file or directory\n"),
162 myname, bs, mp);
163 break;
164 case EINVAL:
165 (void) fprintf(stderr, gettext("%s: %s is not this fstype.\n"),
166 myname, bs);
167 break;
168 case EBUSY:
169 (void) fprintf(stderr,
170 gettext("%s: %s is already mounted or %s is busy\n"),
171 myname, bs, mp);
172 break;
173 case ENOTBLK:
174 (void) fprintf(stderr, gettext("%s: %s not a block device\n"),
175 myname, bs);
176 break;
177 case EROFS:
178 (void) fprintf(stderr,
179 gettext("%s: %s write-protected\n"), myname, bs);
180 break;
181 case ENOSPC:
182 (void) fprintf(stderr,
183 gettext("%s: the state of %s is not okay\n"
184 "\tand it was attempted to mount read/write\n"),
185 myname, bs);
186 break;
187 default:
188 perror(myname);
189 (void) fprintf(stderr, gettext("%s: cannot mount %s\n"),
190 myname, bs);
191 }
192 }
193
194
195 static void
do_mount(char * special,char * mountp,int rflag)196 do_mount(char *special, char *mountp, int rflag)
197 {
198 char *savedoptbuf;
199
200 if ((savedoptbuf = strdup(optbuf)) == NULL) {
201 (void) fprintf(stderr, gettext("%s: out of memory\n"),
202 myname);
203 exit(2);
204 }
205 if (mount(special, mountp, rflag | MS_OPTIONSTR,
206 fstype, NULL, 0, optbuf, MAX_MNTOPT_STR)) {
207 rpterr(special, mountp);
208 exit(2);
209 }
210 if (optsize && !qflg)
211 cmp_requested_to_actual_options(savedoptbuf, optbuf,
212 special, mountp);
213 }
214
215
216 static void
usage(void)217 usage(void)
218 {
219 (void) fprintf(stderr,
220 gettext("Usage: %s [-rmOq] [-o specific_options]"
221 " special mount_point\n"), myname);
222 exit(1);
223 }
224