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 "%Z%%M% %I% %E% 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 } 229