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 #pragma ident "%Z%%M% %I% %E% SMI" 23 24 /* 25 * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 26 * Use is subject to license terms. 27 */ 28 29 #define LOFS 30 #define MNTTYPE_LOFS "lofs" 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <string.h> 34 #include <libintl.h> 35 #include <errno.h> 36 #include <sys/fstyp.h> 37 #include <sys/fsid.h> 38 #include <sys/mntent.h> 39 #include <sys/mnttab.h> 40 #include <sys/mount.h> 41 #include <sys/signal.h> 42 #include <sys/stat.h> 43 #include <fslib.h> 44 45 #define RET_OK 0 46 #define RET_ERR 33 47 48 static void usage(void); 49 50 static char optbuf[MAX_MNTOPT_STR] = { '\0', }; 51 static int optsize = 0; 52 53 static char fstype[] = MNTTYPE_LOFS; 54 55 /* 56 * usage: mount [-Ormq] [-o options] special mountp 57 * 58 * This mount program is exec'ed by /usr/sbin/mount if '-F lofs' is 59 * specified. 60 */ 61 int 62 main(int argc, char *argv[]) 63 { 64 int c; 65 char *special; /* Entity being mounted */ 66 char *mountp; /* Entity being mounted on */ 67 char *savedoptbuf; 68 char *myname; 69 char typename[64]; 70 int flags = 0; 71 int errflag = 0; 72 int qflg = 0; 73 74 myname = strrchr(argv[0], '/'); 75 myname = myname ? myname+1 : argv[0]; 76 (void) snprintf(typename, sizeof (typename), "%s %s", fstype, myname); 77 argv[0] = typename; 78 79 while ((c = getopt(argc, argv, "o:rmOq")) != EOF) { 80 switch (c) { 81 case '?': 82 errflag++; 83 break; 84 85 case 'o': 86 if (strlcpy(optbuf, optarg, sizeof (optbuf)) >= 87 sizeof (optbuf)) { 88 (void) fprintf(stderr, 89 gettext("%s: Invalid argument: %s\n"), 90 myname, optarg); 91 return (2); 92 } 93 optsize = strlen(optbuf); 94 break; 95 case 'O': 96 flags |= MS_OVERLAY; 97 break; 98 case 'r': 99 flags |= MS_RDONLY; 100 break; 101 102 case 'm': 103 flags |= MS_NOMNTTAB; 104 break; 105 106 case 'q': 107 qflg = 1; 108 break; 109 110 default: 111 usage(); 112 } 113 } 114 if ((argc - optind != 2) || errflag) { 115 usage(); 116 } 117 special = argv[argc - 2]; 118 mountp = argv[argc - 1]; 119 120 if ((savedoptbuf = strdup(optbuf)) == NULL) { 121 (void) fprintf(stderr, gettext("%s: out of memory\n"), 122 myname); 123 exit(2); 124 } 125 if (mount(special, mountp, flags | MS_OPTIONSTR, fstype, NULL, 0, 126 optbuf, MAX_MNTOPT_STR)) { 127 (void) fprintf(stderr, "mount: "); 128 perror(special); 129 exit(RET_ERR); 130 } 131 if (optsize && !qflg) 132 cmp_requested_to_actual_options(savedoptbuf, optbuf, 133 special, mountp); 134 return (0); 135 } 136 137 void 138 usage(void) 139 { 140 (void) fprintf(stderr, 141 "Usage: mount [-Ormq] [-o options] special mountpoint\n"); 142 exit(RET_ERR); 143 } 144