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 <errno.h> 49 #include <string.h> 50 #include <fstab.h> 51 #include <paths.h> 52 #include <stdio.h> 53 54 #include "fsck.h" 55 56 57 char * 58 blockcheck(char *origname) 59 { 60 struct stat stblock; 61 char *newname, *cp; 62 struct fstab *fsinfo; 63 int retried = 0, len; 64 static char device[MAXPATHLEN]; 65 66 newname = origname; 67 if (stat(newname, &stblock) < 0) { 68 cp = strrchr(newname, '/'); 69 if (cp == NULL) { 70 (void)snprintf(device, sizeof(device), "%s%s", 71 _PATH_DEV, newname); 72 newname = device; 73 } 74 } 75 retry: 76 if (stat(newname, &stblock) < 0) { 77 printf("Can't stat %s: %s\n", newname, strerror(errno)); 78 return (origname); 79 } 80 switch(stblock.st_mode & S_IFMT) { 81 case S_IFCHR: 82 case S_IFBLK: 83 return(newname); 84 case S_IFDIR: 85 if (retried) 86 break; 87 88 len = strlen(origname) - 1; 89 if (len > 0 && origname[len] == '/') 90 /* remove trailing slash */ 91 origname[len] = '\0'; 92 if ((fsinfo = getfsfile(origname)) == NULL) { 93 printf( 94 "Can't resolve %s to character special device.\n", 95 origname); 96 return (origname); 97 } 98 newname = fsinfo->fs_spec; 99 retried++; 100 goto retry; 101 } 102 /* 103 * Not a block or character device, just return name and 104 * let the user decide whether to use it. 105 */ 106 return (origname); 107 } 108 109