1 /* $NetBSD: mount_procfs.c,v 1.13 2002/09/21 18:43:38 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1990, 1992, 1993 Jan-Simon Pendry 5 * Copyright (c) 1992, 1993, 1994 6 * The Regents of the University of California. All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Jan-Simon Pendry. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the University of 22 * California, Berkeley and its contributors. 23 * 4. Neither the name of the University nor the names of its contributors 24 * may be used to endorse or promote products derived from this software 25 * without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 */ 39 40 #include <sys/cdefs.h> 41 #ifndef lint 42 __COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\n\ 43 The Regents of the University of California. All rights reserved.\n"); 44 #endif /* not lint */ 45 46 #ifndef lint 47 #if 0 48 static char sccsid[] = "@(#)mount_procfs.c 8.4 (Berkeley) 4/26/95"; 49 #else 50 __RCSID("$NetBSD: mount_procfs.c,v 1.13 2002/09/21 18:43:38 christos Exp $"); 51 #endif 52 #endif /* not lint */ 53 54 #include <sys/param.h> 55 #include <sys/mount.h> 56 57 #include <err.h> 58 #include <unistd.h> 59 #include <stdio.h> 60 #include <stdlib.h> 61 #include <string.h> 62 #include <util.h> 63 64 #include <miscfs/procfs/procfs.h> 65 66 #include "mntopts.h" 67 68 static const struct mntopt mopts[] = { 69 MOPT_STDOPTS, 70 MOPT_GETARGS, 71 { "linux", 0, PROCFSMNT_LINUXCOMPAT, 1}, 72 { NULL } 73 }; 74 75 int main __P((int, char *[])); 76 int mount_procfs __P((int argc, char **argv)); 77 static void usage __P((void)); 78 79 #ifndef MOUNT_NOMAIN 80 int 81 main(argc, argv) 82 int argc; 83 char **argv; 84 { 85 return mount_procfs(argc, argv); 86 } 87 #endif 88 89 int 90 mount_procfs(argc, argv) 91 int argc; 92 char *argv[]; 93 { 94 int ch, mntflags, altflags; 95 struct procfs_args args; 96 97 mntflags = altflags = 0; 98 while ((ch = getopt(argc, argv, "o:")) != -1) 99 switch (ch) { 100 case 'o': 101 getmntopts(optarg, mopts, &mntflags, &altflags); 102 break; 103 case '?': 104 default: 105 usage(); 106 } 107 argc -= optind; 108 argv += optind; 109 110 if (argc != 2) 111 usage(); 112 113 args.version = PROCFS_ARGSVERSION; 114 args.flags = altflags; 115 116 if (mount(MOUNT_PROCFS, argv[1], mntflags, &args)) 117 err(1, "procfs on %s", argv[1]); 118 if (mntflags & MNT_GETARGS) { 119 char buf[1024]; 120 (void)snprintb(buf, sizeof(buf), PROCFSMNT_BITS, args.flags); 121 printf("version=%d, flags=%s\n", args.version, buf); 122 } 123 exit(0); 124 } 125 126 static void 127 usage() 128 { 129 (void)fprintf(stderr, 130 "usage: mount_procfs [-o options] /proc mount_point\n"); 131 exit(1); 132 } 133