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 #endif 34 #include <sys/cdefs.h> 35 #include <sys/param.h> 36 #include <sys/types.h> 37 #include <sys/stat.h> 38 39 #include <ufs/ufs/dinode.h> 40 #include <ufs/ufs/dir.h> 41 #include <ufs/ffs/fs.h> 42 43 #include <errno.h> 44 #include <string.h> 45 #include <fstab.h> 46 #include <paths.h> 47 #include <stdio.h> 48 49 #include "fsck.h" 50 51 52 char * 53 blockcheck(char *origname) 54 { 55 struct stat stblock; 56 char *newname, *cp; 57 struct fstab *fsinfo; 58 int retried = 0, len; 59 static char device[MAXPATHLEN]; 60 61 newname = origname; 62 if (stat(newname, &stblock) < 0) { 63 cp = strrchr(newname, '/'); 64 if (cp == NULL) { 65 (void)snprintf(device, sizeof(device), "%s%s", 66 _PATH_DEV, newname); 67 newname = device; 68 } 69 } 70 retry: 71 if (stat(newname, &stblock) < 0) { 72 printf("Can't stat %s: %s\n", newname, strerror(errno)); 73 return (origname); 74 } 75 switch(stblock.st_mode & S_IFMT) { 76 case S_IFCHR: 77 case S_IFBLK: 78 return(newname); 79 case S_IFDIR: 80 if (retried) 81 break; 82 83 len = strlen(origname) - 1; 84 if (len > 0 && origname[len] == '/') 85 /* remove trailing slash */ 86 origname[len] = '\0'; 87 if ((fsinfo = getfsfile(origname)) == NULL) { 88 printf( 89 "Can't resolve %s to character special device.\n", 90 origname); 91 return (origname); 92 } 93 newname = fsinfo->fs_spec; 94 retried++; 95 goto retry; 96 } 97 /* 98 * Not a block or character device, just return name and 99 * let the user decide whether to use it. 100 */ 101 return (origname); 102 } 103 104