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 2003 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 <errno.h>
34 #include <sys/mnttab.h>
35 #include <sys/mount.h>
36 #include <sys/types.h>
37 #include <locale.h>
38 #include <sys/stat.h>
39 #include <string.h>
40
41 #include <fslib.h>
42
43 #define NAME_MAX 64 /* sizeof "fstype myname" */
44
45 #define FSTYPE "proc"
46
47 static void rpterr(char *, char *);
48 static void do_mount(char *, char *, int);
49 static void usage(void);
50
51 static char optbuf[MAX_MNTOPT_STR] = { '\0', };
52 static int optsize = 0;
53
54 static int roflag = 0;
55 static int mflg = 0; /* don't update /etc/mnttab flag */
56 static int Oflg = 0;
57 static int qflg = 0;
58
59 static char typename[NAME_MAX], *myname;
60 static char fstype[] = FSTYPE;
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 'm':
91 mflg++;
92 break;
93 case 'r':
94 if (roflag)
95 errflag = 1;
96 else
97 roflag++;
98 break;
99 case 'O':
100 Oflg++;
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 case 'q':
113 qflg = 1;
114 break;
115 case '?':
116 errflag = 1;
117 break;
118 }
119
120 /*
121 * There must be at least 2 more arguments, the
122 * special file and the directory.
123 */
124
125 if (((argc - optind) != 2) || (errflag))
126 usage();
127
128 special = argv[optind++];
129 mountp = argv[optind++];
130
131 /*
132 * Perform the mount.
133 */
134 do_mount(special, mountp, roflag ? MS_RDONLY : 0);
135
136 return (0);
137 }
138
139 void
rpterr(char * bs,char * mp)140 rpterr(char *bs, char *mp)
141 {
142 switch (errno) {
143 case EPERM:
144 (void) fprintf(stderr, gettext("%s: insufficient privileges\n"),
145 myname);
146 break;
147 case ENXIO:
148 (void) fprintf(stderr, gettext("%s: %s no such device\n"),
149 myname, bs);
150 break;
151 case ENOTDIR:
152 (void) fprintf(stderr,
153 gettext("%s: %s not a directory\n\tor a component of %s is not a directory\n"),
154 myname, mp, bs);
155 break;
156 case ENOENT:
157 (void) fprintf(stderr,
158 gettext("%s: %s or %s, no such file or directory\n"),
159 myname, bs, mp);
160 break;
161 case EINVAL:
162 (void) fprintf(stderr, gettext("%s: %s is not this fstype.\n"),
163 myname, bs);
164 break;
165 case EBUSY:
166 (void) fprintf(stderr,
167 gettext("%s: %s is already mounted or %s is busy\n"),
168 myname, bs, mp);
169 break;
170 case ENOTBLK:
171 (void) fprintf(stderr, gettext("%s: %s not a block device\n"),
172 myname, bs);
173 break;
174 case EROFS:
175 (void) fprintf(stderr, gettext("%s: %s write-protected\n"),
176 myname, bs);
177 break;
178 case ENOSPC:
179 (void) fprintf(stderr,
180 gettext("%s: the state of %s is not okay\n"
181 "\tand it was attempted to mount read/write\n"),
182 myname, bs);
183 break;
184 default:
185 perror(myname);
186 (void) fprintf(stderr, gettext("%s: cannot mount %s\n"),
187 myname, bs);
188 }
189 }
190
191 static void
do_mount(char * special,char * mountp,int rflag)192 do_mount(char *special, char *mountp, int rflag)
193 {
194 char *savedoptbuf;
195
196 if ((savedoptbuf = strdup(optbuf)) == NULL) {
197 (void) fprintf(stderr, gettext("%s: out of memory\n"),
198 myname);
199 exit(2);
200 }
201
202 if (Oflg)
203 rflag |= MS_OVERLAY;
204 if (mflg)
205 rflag |= MS_NOMNTTAB;
206 if (mount(special, mountp, rflag | MS_OPTIONSTR, fstype, NULL, 0,
207 optbuf, MAX_MNTOPT_STR)) {
208 rpterr(special, mountp);
209 exit(2);
210 }
211 if (optsize && !qflg)
212 cmp_requested_to_actual_options(savedoptbuf, optbuf,
213 special, mountp);
214 }
215
216 static void
usage(void)217 usage(void)
218 {
219 (void) fprintf(stderr,
220 gettext("%s usage:\n%s [-F %s] [-r] [-o specific_options] "
221 "{special | mount_point}\n%s [-F %s] [-r] [-o specific_options]"
222 " special mount_point\n"),
223 fstype, myname, fstype, myname, fstype);
224 exit(1);
225 }
226