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comparison usr/src/cmd/fs.d/proc/mount.c @ 0:c9caec207d52 b86

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Initial porting based on b86
author Koji Uno <koji.uno@sun.com>
date Tue, 02 Jun 2009 18:56:50 +0900
parents
children 1a15d5aaf794
comparison
equal deleted inserted replaced
-1:000000000000 0:c9caec207d52
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
31 #pragma ident "@(#)mount.c 1.20 05/06/08 SMI"
32
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <signal.h>
36 #include <errno.h>
37 #include <sys/mnttab.h>
38 #include <sys/mount.h>
39 #include <sys/types.h>
40 #include <locale.h>
41 #include <sys/stat.h>
42 #include <string.h>
43
44 #include <fslib.h>
45
46 #define NAME_MAX 64 /* sizeof "fstype myname" */
47
48 #define FSTYPE "proc"
49
50 static void rpterr(char *, char *);
51 static void do_mount(char *, char *, int);
52 static void usage(void);
53
54 static char optbuf[MAX_MNTOPT_STR] = { '\0', };
55 static int optsize = 0;
56
57 static int roflag = 0;
58 static int mflg = 0; /* don't update /etc/mnttab flag */
59 static int Oflg = 0;
60 static int qflg = 0;
61
62 static char typename[NAME_MAX], *myname;
63 static char fstype[] = FSTYPE;
64
65 int
66 main(int argc, char *argv[])
67 {
68 char *special, *mountp;
69 int errflag = 0;
70 int cc;
71
72 (void) setlocale(LC_ALL, "");
73
74 #if !defined(TEXT_DOMAIN)
75 #define TEXT_DOMAIN "SYS_TEST"
76 #endif
77 (void) textdomain(TEXT_DOMAIN);
78
79 myname = strrchr(argv[0], '/');
80 if (myname)
81 myname++;
82 else
83 myname = argv[0];
84 (void) snprintf(typename, sizeof (typename), "%s %s", fstype, myname);
85 argv[0] = typename;
86
87 /*
88 * check for proper arguments
89 */
90
91 while ((cc = getopt(argc, argv, "?o:rmOq")) != -1)
92 switch (cc) {
93 case 'm':
94 mflg++;
95 break;
96 case 'r':
97 if (roflag)
98 errflag = 1;
99 else
100 roflag++;
101 break;
102 case 'O':
103 Oflg++;
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 case 'q':
116 qflg = 1;
117 break;
118 case '?':
119 errflag = 1;
120 break;
121 }
122
123 /*
124 * There must be at least 2 more arguments, the
125 * special file and the directory.
126 */
127
128 if (((argc - optind) != 2) || (errflag))
129 usage();
130
131 special = argv[optind++];
132 mountp = argv[optind++];
133
134 /*
135 * Perform the mount.
136 */
137 do_mount(special, mountp, roflag ? MS_RDONLY : 0);
138
139 return (0);
140 }
141
142 void
143 rpterr(char *bs, char *mp)
144 {
145 switch (errno) {
146 case EPERM:
147 (void) fprintf(stderr, gettext("%s: insufficient privileges\n"),
148 myname);
149 break;
150 case ENXIO:
151 (void) fprintf(stderr, gettext("%s: %s no such device\n"),
152 myname, bs);
153 break;
154 case ENOTDIR:
155 (void) fprintf(stderr,
156 gettext("%s: %s not a directory\n\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, gettext("%s: %s write-protected\n"),
179 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 static void
195 do_mount(char *special, char *mountp, int rflag)
196 {
197 char *savedoptbuf;
198
199 if ((savedoptbuf = strdup(optbuf)) == NULL) {
200 (void) fprintf(stderr, gettext("%s: out of memory\n"),
201 myname);
202 exit(2);
203 }
204
205 if (Oflg)
206 rflag |= MS_OVERLAY;
207 if (mflg)
208 rflag |= MS_NOMNTTAB;
209 if (mount(special, mountp, rflag | MS_OPTIONSTR, fstype, NULL, 0,
210 optbuf, MAX_MNTOPT_STR)) {
211 rpterr(special, mountp);
212 exit(2);
213 }
214 if (optsize && !qflg)
215 cmp_requested_to_actual_options(savedoptbuf, optbuf,
216 special, mountp);
217 }
218
219 static void
220 usage(void)
221 {
222 (void) fprintf(stderr,
223 gettext("%s usage:\n%s [-F %s] [-r] [-o specific_options] "
224 "{special | mount_point}\n%s [-F %s] [-r] [-o specific_options]"
225 " special mount_point\n"),
226 fstype, myname, fstype, myname, fstype);
227 exit(1);
228 }