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 #include <stdio.h>
27 #include <stdlib.h>
28 #include <string.h>
29 #include <libintl.h>
30 #include <errno.h>
31 #include <sys/fstyp.h>
32 #include <sys/fsid.h>
33 #include <sys/mntent.h>
34 #include <sys/mnttab.h>
35 #include <sys/mount.h>
36 #include <sys/signal.h>
37 #include <sys/stat.h>
38 #include <fslib.h>
39 #include <locale.h>
40
41 #define RET_OK 0
42 #define RET_ERR 33
43 #define EXIT_MAGIC 2
44
45 static void usage(void);
46
47 static char optbuf[MAX_MNTOPT_STR] = { '\0', };
48 static int optsize = 0;
49
50 static char fstype[] = "sharefs";
51
52 /*
53 * usage: mount [-Ormq] [-o options] special mountp
54 *
55 * This mount program is exec'ed by /usr/sbin/mount if '-F sharefs' is
56 * specified.
57 */
58 int
main(int argc,char * argv[])59 main(int argc, char *argv[])
60 {
61 int c;
62 char *special; /* Entity being mounted */
63 char *mountp; /* Entity being mounted on */
64 char *savedoptbuf;
65 char *myname;
66 char *typename;
67 int flags = 0;
68 int error_flag = 0;
69 int q_flag = 0;
70
71 int len;
72
73 (void) setlocale(LC_ALL, "");
74
75 #if !defined(TEXT_DOMAIN)
76 #define TEXT_DOMAIN "SYS_TEST"
77 #endif
78 (void) textdomain(TEXT_DOMAIN);
79
80
81 myname = strrchr(argv[0], '/');
82 myname = myname ? myname + 1 : argv[0];
83
84 len = strlen(fstype) + 1 + strlen(myname);
85 typename = malloc(len + 1);
86 if (!typename) {
87 (void) fprintf(stderr, gettext("%s: out of memory\n"),
88 myname);
89 return (EXIT_MAGIC);
90 }
91
92 (void) snprintf(typename, len, "%s %s", fstype, myname);
93 argv[0] = typename;
94
95 while ((c = getopt(argc, argv, "o:rmOq")) != EOF) {
96 switch (c) {
97 case '?':
98 error_flag = 1;
99 break;
100
101 case 'o':
102 if (strlcpy(optbuf, optarg, sizeof (optbuf)) >=
103 sizeof (optbuf)) {
104 (void) fprintf(stderr,
105 gettext("%s: Invalid argument: %s\n"),
106 myname, optarg);
107 free(typename);
108 return (EXIT_MAGIC);
109 }
110 optsize = strlen(optbuf);
111 break;
112 case 'O':
113 flags |= MS_OVERLAY;
114 break;
115 case 'r':
116 flags |= MS_RDONLY;
117 break;
118
119 case 'm':
120 flags |= MS_NOMNTTAB;
121 break;
122
123 case 'q':
124 q_flag = 1;
125 break;
126
127 default:
128 usage();
129 }
130 }
131 if ((argc - optind != 2) || error_flag) {
132 usage();
133 }
134 special = argv[argc - 2];
135 mountp = argv[argc - 1];
136
137 if ((savedoptbuf = strdup(optbuf)) == NULL) {
138 (void) fprintf(stderr, gettext("%s: out of memory\n"),
139 myname);
140 free(typename);
141 exit(EXIT_MAGIC);
142 }
143 if (mount(special, mountp, flags | MS_OPTIONSTR, fstype, NULL, 0,
144 optbuf, MAX_MNTOPT_STR)) {
145 (void) fprintf(stderr, "mount: ");
146 perror(special);
147 free(typename);
148 exit(RET_ERR);
149 }
150 if (optsize && !q_flag)
151 cmp_requested_to_actual_options(savedoptbuf, optbuf,
152 special, mountp);
153 free(typename);
154 return (RET_OK);
155 }
156
157 static void
usage(void)158 usage(void)
159 {
160 (void) fprintf(stderr,
161 gettext("Usage: mount [-Ormq] [-o options] special mountpoint\n"));
162 exit(RET_ERR);
163 }
164