1 /* $NetBSD: mount_fdesc.c,v 1.27 2020/07/26 08:20:22 mlelstv Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Jan-Simon Pendry. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 /* 36 * Copyright (c) 1990, 1992 Jan-Simon Pendry 37 * 38 * This code is derived from software contributed to Berkeley by 39 * Jan-Simon Pendry. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * This product includes software developed by the University of 52 * California, Berkeley and its contributors. 53 * 4. Neither the name of the University nor the names of its contributors 54 * may be used to endorse or promote products derived from this software 55 * without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 58 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 59 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 60 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 61 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 62 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 63 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 64 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 65 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 66 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 67 * SUCH DAMAGE. 68 */ 69 70 #include <sys/cdefs.h> 71 #ifndef lint 72 __COPYRIGHT("@(#) Copyright (c) 1992, 1993, 1994\ 73 The Regents of the University of California. All rights reserved."); 74 #endif /* not lint */ 75 76 #ifndef lint 77 #if 0 78 static char sccsid[] = "@(#)mount_fdesc.c 8.3 (Berkeley) 4/26/95"; 79 #else 80 __RCSID("$NetBSD: mount_fdesc.c,v 1.27 2020/07/26 08:20:22 mlelstv Exp $"); 81 #endif 82 #endif /* not lint */ 83 84 #include <sys/param.h> 85 #include <sys/mount.h> 86 87 #include <err.h> 88 #include <unistd.h> 89 #include <stdio.h> 90 #include <stdlib.h> 91 #include <string.h> 92 93 #include <mntopts.h> 94 95 #include "mountprog.h" 96 #include "mount_fdesc.h" 97 98 static const struct mntopt mopts[] = { 99 MOPT_STDOPTS, 100 MOPT_GETARGS, 101 MOPT_NULL, 102 }; 103 104 __dead static void usage(void); 105 int mount_fdesc(int argc, char **argv); 106 107 #ifndef MOUNT_NOMAIN 108 int 109 main(int argc, char **argv) 110 { 111 return mount_fdesc(argc, argv); 112 } 113 #endif 114 115 void 116 mount_fdesc_parseargs(int argc, char *argv[], void *dummy, int *mntflags, 117 char *canon_dev, char *canon_dir) 118 { 119 int ch; 120 mntoptparse_t mp; 121 122 *mntflags = 0; 123 while ((ch = getopt(argc, argv, "o:")) != -1) 124 switch (ch) { 125 case 'o': 126 mp = getmntopts(optarg, mopts, mntflags, 0); 127 if (mp == NULL) 128 err(1, "getmntopts"); 129 freemntopts(mp); 130 break; 131 case '?': 132 default: 133 usage(); 134 } 135 argc -= optind; 136 argv += optind; 137 138 if (argc != 2) 139 usage(); 140 141 /* getargs is a NULL op and kernel would return EINVAL */ 142 if (*mntflags & MNT_GETARGS) 143 exit(0); 144 145 strlcpy(canon_dev, argv[0], MAXPATHLEN); 146 pathadj(argv[1], canon_dir); 147 } 148 149 int 150 mount_fdesc(int argc, char *argv[]) 151 { 152 int mntflags; 153 char canon_dev[MAXPATHLEN], canon_dir[MAXPATHLEN]; 154 155 mount_fdesc_parseargs(argc, argv, NULL, &mntflags, 156 canon_dev, canon_dir); 157 if (mount(MOUNT_FDESC, canon_dir, mntflags, NULL, 0) == -1) 158 err(1, "fdesc on %s", canon_dir); 159 exit(0); 160 } 161 162 static void 163 usage(void) 164 { 165 (void)fprintf(stderr, 166 "usage: mount_fdesc [-o options] fdesc mount_point\n"); 167 exit(1); 168 } 169