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[] = "objfs"; 51 52 /* 53 * usage: mount [-Ormq] [-o options] special mountp 54 * 55 * This mount program is exec'ed by /usr/sbin/mount if '-F objfs' is 56 * specified. 57 */ 58 int 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 158 usage(void) 159 { 160 (void) fprintf(stderr, 161 gettext("Usage: mount [-Ormq] [-o options] special mountpoint\n")); 162 exit(RET_ERR); 163 } 164