1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1980, 1986, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #if 0 33 #ifndef lint 34 static const char sccsid[] = "@(#)utilities.c 8.6 (Berkeley) 5/19/95"; 35 #endif /* not lint */ 36 #endif 37 #include <sys/cdefs.h> 38 __FBSDID("$FreeBSD$"); 39 40 #include <sys/param.h> 41 #include <sys/types.h> 42 #include <sys/stat.h> 43 44 #include <ufs/ufs/dinode.h> 45 #include <ufs/ufs/dir.h> 46 #include <ufs/ffs/fs.h> 47 48 #include <err.h> 49 #include <errno.h> 50 #include <string.h> 51 #include <ctype.h> 52 #include <fstab.h> 53 #include <paths.h> 54 #include <stdio.h> 55 #include <stdlib.h> 56 #include <unistd.h> 57 58 #include "fsck.h" 59 60 61 char * 62 blockcheck(char *origname) 63 { 64 struct stat stblock; 65 char *newname, *cp; 66 struct fstab *fsinfo; 67 int retried = 0, len; 68 static char device[MAXPATHLEN]; 69 70 newname = origname; 71 if (stat(newname, &stblock) < 0) { 72 cp = strrchr(newname, '/'); 73 if (cp == NULL) { 74 (void)snprintf(device, sizeof(device), "%s%s", 75 _PATH_DEV, newname); 76 newname = device; 77 } 78 } 79 retry: 80 if (stat(newname, &stblock) < 0) { 81 printf("Can't stat %s: %s\n", newname, strerror(errno)); 82 return (origname); 83 } 84 switch(stblock.st_mode & S_IFMT) { 85 case S_IFCHR: 86 case S_IFBLK: 87 return(newname); 88 case S_IFDIR: 89 if (retried) 90 break; 91 92 len = strlen(origname) - 1; 93 if (len > 0 && origname[len] == '/') 94 /* remove trailing slash */ 95 origname[len] = '\0'; 96 if ((fsinfo = getfsfile(origname)) == NULL) { 97 printf( 98 "Can't resolve %s to character special device.\n", 99 origname); 100 return (origname); 101 } 102 newname = fsinfo->fs_spec; 103 retried++; 104 goto retry; 105 } 106 /* 107 * Not a block or character device, just return name and 108 * let the user decide whether to use it. 109 */ 110 return (origname); 111 } 112 113