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 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <stdio.h> 29 #include <stdlib.h> 30 #include <string.h> 31 #include <libintl.h> 32 #include <errno.h> 33 #include <sys/fstyp.h> 34 #include <sys/fsid.h> 35 #include <sys/mntent.h> 36 #include <sys/mnttab.h> 37 #include <sys/mount.h> 38 #include <sys/signal.h> 39 #include <sys/stat.h> 40 #include <fslib.h> 41 #include <locale.h> 42 43 #define RET_OK 0 44 #define RET_ERR 33 45 #define EXIT_MAGIC 2 46 47 static void usage(void); 48 49 static char optbuf[MAX_MNTOPT_STR] = { '\0', }; 50 static int optsize = 0; 51 52 static char fstype[] = "sharefs"; 53 54 /* 55 * usage: mount [-Ormq] [-o options] special mountp 56 * 57 * This mount program is exec'ed by /usr/sbin/mount if '-F sharefs' is 58 * specified. 59 */ 60 int 61 main(int argc, char *argv[]) 62 { 63 int c; 64 char *special; /* Entity being mounted */ 65 char *mountp; /* Entity being mounted on */ 66 char *savedoptbuf; 67 char *myname; 68 char *typename; 69 int flags = 0; 70 int error_flag = 0; 71 int q_flag = 0; 72 73 int len; 74 75 (void) setlocale(LC_ALL, ""); 76 77 #if !defined(TEXT_DOMAIN) 78 #define TEXT_DOMAIN "SYS_TEST" 79 #endif 80 (void) textdomain(TEXT_DOMAIN); 81 82 83 myname = strrchr(argv[0], '/'); 84 myname = myname ? myname + 1 : argv[0]; 85 86 len = strlen(fstype) + 1 + strlen(myname); 87 typename = malloc(len + 1); 88 if (!typename) { 89 (void) fprintf(stderr, gettext("%s: out of memory\n"), 90 myname); 91 return (EXIT_MAGIC); 92 } 93 94 (void) snprintf(typename, len, "%s %s", fstype, myname); 95 argv[0] = typename; 96 97 while ((c = getopt(argc, argv, "o:rmOq")) != EOF) { 98 switch (c) { 99 case '?': 100 error_flag = 1; 101 break; 102 103 case 'o': 104 if (strlcpy(optbuf, optarg, sizeof (optbuf)) >= 105 sizeof (optbuf)) { 106 (void) fprintf(stderr, 107 gettext("%s: Invalid argument: %s\n"), 108 myname, optarg); 109 free(typename); 110 return (EXIT_MAGIC); 111 } 112 optsize = strlen(optbuf); 113 break; 114 case 'O': 115 flags |= MS_OVERLAY; 116 break; 117 case 'r': 118 flags |= MS_RDONLY; 119 break; 120 121 case 'm': 122 flags |= MS_NOMNTTAB; 123 break; 124 125 case 'q': 126 q_flag = 1; 127 break; 128 129 default: 130 usage(); 131 } 132 } 133 if ((argc - optind != 2) || error_flag) { 134 usage(); 135 } 136 special = argv[argc - 2]; 137 mountp = argv[argc - 1]; 138 139 if ((savedoptbuf = strdup(optbuf)) == NULL) { 140 (void) fprintf(stderr, gettext("%s: out of memory\n"), 141 myname); 142 free(typename); 143 exit(EXIT_MAGIC); 144 } 145 if (mount(special, mountp, flags | MS_OPTIONSTR, fstype, NULL, 0, 146 optbuf, MAX_MNTOPT_STR)) { 147 (void) fprintf(stderr, "mount: "); 148 perror(special); 149 free(typename); 150 exit(RET_ERR); 151 } 152 if (optsize && !q_flag) 153 cmp_requested_to_actual_options(savedoptbuf, optbuf, 154 special, mountp); 155 free(typename); 156 return (RET_OK); 157 } 158 159 static void 160 usage(void) 161 { 162 (void) fprintf(stderr, 163 gettext("Usage: mount [-Ormq] [-o options] special mountpoint\n")); 164 exit(RET_ERR); 165 } 166