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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 #pragma ident "%Z%%M% %I% %E% SMI"
27
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include <libintl.h>
32 #include <errno.h>
33 #include <sys/fstyp.h>
34 #include <sys/fsid.h>
35 #include <sys/mntent.h>
36 #include <sys/mnttab.h>
37 #include <sys/mount.h>
38 #include <sys/signal.h>
39 #include <sys/stat.h>
40 #include <fslib.h>
41 #include <locale.h>
42
43 #define RET_OK 0
44 #define RET_ERR 33
45 #define EXIT_MAGIC 2
46
47 static void usage(void);
48
49 static char optbuf[MAX_MNTOPT_STR] = { '\0', };
50 static int optsize = 0;
51
52 static char fstype[] = "objfs";
53
54 /*
55 * usage: mount [-Ormq] [-o options] special mountp
56 *
57 * This mount program is exec'ed by /usr/sbin/mount if '-F objfs' is
58 * specified.
59 */
60 int
main(int argc,char * argv[])61 main(int argc, char *argv[])
62 {
63 int c;
64 char *special; /* Entity being mounted */
65 char *mountp; /* Entity being mounted on */
66 char *savedoptbuf;
67 char *myname;
68 char *typename;
69 int flags = 0;
70 int error_flag = 0;
71 int q_flag = 0;
72
73 int len;
74
75 (void) setlocale(LC_ALL, "");
76
77 #if !defined(TEXT_DOMAIN)
78 #define TEXT_DOMAIN "SYS_TEST"
79 #endif
80 (void) textdomain(TEXT_DOMAIN);
81
82
83 myname = strrchr(argv[0], '/');
84 myname = myname ? myname + 1 : argv[0];
85
86 len = strlen(fstype) + 1 + strlen(myname);
87 typename = malloc(len + 1);
88 if (!typename) {
89 (void) fprintf(stderr, gettext("%s: out of memory\n"),
90 myname);
91 return (EXIT_MAGIC);
92 }
93
94 (void) snprintf(typename, len, "%s %s", fstype, myname);
95 argv[0] = typename;
96
97 while ((c = getopt(argc, argv, "o:rmOq")) != EOF) {
98 switch (c) {
99 case '?':
100 error_flag = 1;
101 break;
102
103 case 'o':
104 if (strlcpy(optbuf, optarg, sizeof (optbuf)) >=
105 sizeof (optbuf)) {
106 (void) fprintf(stderr,
107 gettext("%s: Invalid argument: %s\n"),
108 myname, optarg);
109 free(typename);
110 return (EXIT_MAGIC);
111 }
112 optsize = strlen(optbuf);
113 break;
114 case 'O':
115 flags |= MS_OVERLAY;
116 break;
117 case 'r':
118 flags |= MS_RDONLY;
119 break;
120
121 case 'm':
122 flags |= MS_NOMNTTAB;
123 break;
124
125 case 'q':
126 q_flag = 1;
127 break;
128
129 default:
130 usage();
131 }
132 }
133 if ((argc - optind != 2) || error_flag) {
134 usage();
135 }
136 special = argv[argc - 2];
137 mountp = argv[argc - 1];
138
139 if ((savedoptbuf = strdup(optbuf)) == NULL) {
140 (void) fprintf(stderr, gettext("%s: out of memory\n"),
141 myname);
142 free(typename);
143 exit(EXIT_MAGIC);
144 }
145 if (mount(special, mountp, flags | MS_OPTIONSTR, fstype, NULL, 0,
146 optbuf, MAX_MNTOPT_STR)) {
147 (void) fprintf(stderr, "mount: ");
148 perror(special);
149 free(typename);
150 exit(RET_ERR);
151 }
152 if (optsize && !q_flag)
153 cmp_requested_to_actual_options(savedoptbuf, optbuf,
154 special, mountp);
155 free(typename);
156 return (RET_OK);
157 }
158
159 static void
usage(void)160 usage(void)
161 {
162 (void) fprintf(stderr,
163 gettext("Usage: mount [-Ormq] [-o options] special mountpoint\n"));
164 exit(RET_ERR);
165 }
166