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 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 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 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 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