1 /* $OpenBSD: fsdbutil.c,v 1.15 2013/04/24 13:46:29 deraadt Exp $ */ 2 /* $NetBSD: fsdbutil.c,v 1.5 1996/09/28 19:30:37 christos Exp $ */ 3 4 /*- 5 * Copyright (c) 1996 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by John T. Kohl. 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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE 24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/types.h> 34 #include <sys/stat.h> 35 #include <sys/param.h> 36 #include <sys/time.h> 37 #include <sys/mount.h> 38 #include <ctype.h> 39 #include <err.h> 40 #include <fcntl.h> 41 #include <grp.h> 42 #include <pwd.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <unistd.h> 47 48 #include <ufs/ufs/dinode.h> 49 #include <ufs/ffs/fs.h> 50 51 #include "fsdb.h" 52 #include "fsck.h" 53 54 char ** 55 crack(char *line, int *argc) 56 { 57 static char *argv[8]; 58 int i; 59 char *p, *val; 60 61 for (p = line, i = 0; p != NULL && i < 8; i++) { 62 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0') 63 /**/; 64 if (val) 65 argv[i] = val; 66 else 67 break; 68 } 69 *argc = i; 70 return argv; 71 } 72 73 int 74 argcount(struct cmdtable *cmdp, int argc, char *argv[]) 75 { 76 if (cmdp->minargc == cmdp->maxargc) 77 warnx("command `%s' takes %u arguments", cmdp->cmd, cmdp->minargc-1); 78 else 79 warnx("command `%s' takes from %u to %u arguments", 80 cmdp->cmd, cmdp->minargc-1, cmdp->maxargc-1); 81 warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt); 82 return 1; 83 } 84 85 void 86 printstat(const char *cp, ino_t inum, union dinode *dp) 87 { 88 struct group *grp; 89 struct passwd *pw; 90 time_t t; 91 char *p; 92 93 printf("%s: ", cp); 94 switch (DIP(dp, di_mode) & IFMT) { 95 case IFDIR: 96 puts("directory"); 97 break; 98 case IFREG: 99 puts("regular file"); 100 break; 101 case IFBLK: 102 printf("block special (%d,%d)", 103 (int)major(DIP(dp, di_rdev)), (int)minor(DIP(dp, di_rdev))); 104 break; 105 case IFCHR: 106 printf("character special (%d,%d)", 107 (int)major(DIP(dp, di_rdev)), (int)minor(DIP(dp, di_rdev))); 108 break; 109 case IFLNK: 110 fputs("symlink",stdout); 111 if (DIP(dp, di_size) > 0 && 112 DIP(dp, di_size) < sblock.fs_maxsymlinklen && 113 DIP(dp, di_blocks) == 0) { 114 char *p = sblock.fs_magic == FS_UFS1_MAGIC ? 115 (char *)dp->dp1.di_shortlink : 116 (char *)dp->dp2.di_shortlink; 117 printf(" to `%.*s'\n", (int)DIP(dp, di_size), p); 118 } else 119 putchar('\n'); 120 break; 121 case IFSOCK: 122 puts("socket"); 123 break; 124 case IFIFO: 125 puts("fifo"); 126 break; 127 } 128 129 printf("I=%llu MODE=%o SIZE=%llu", (unsigned long long)inum, 130 DIP(dp, di_mode), DIP(dp, di_size)); 131 t = DIP(dp, di_mtime); 132 p = ctime(&t); 133 printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20], 134 DIP(dp, di_mtimensec)); 135 t = DIP(dp, di_ctime); 136 p = ctime(&t); 137 printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20], 138 DIP(dp, di_ctimensec)); 139 t = DIP(dp, di_atime); 140 p = ctime(&t); 141 printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20], 142 DIP(dp, di_atimensec)); 143 144 if ((pw = getpwuid(DIP(dp, di_uid)))) 145 printf("OWNER=%s ", pw->pw_name); 146 else 147 printf("OWNUID=%u ", DIP(dp, di_uid)); 148 if ((grp = getgrgid(DIP(dp, di_gid)))) 149 printf("GRP=%s ", grp->gr_name); 150 else 151 printf("GID=%u ", DIP(dp, di_gid)); 152 153 printf("LINKCNT=%hd FLAGS=%#x BLKCNT=%x GEN=%x\n", DIP(dp, di_nlink), 154 DIP(dp, di_flags), (unsigned)DIP(dp, di_blocks), DIP(dp, di_gen)); 155 } 156 157 int 158 checkactive(void) 159 { 160 if (!curinode) { 161 warnx("no current inode"); 162 return 0; 163 } 164 return 1; 165 } 166 167 int 168 checkactivedir(void) 169 { 170 if (!curinode) { 171 warnx("no current inode"); 172 return 0; 173 } 174 if ((DIP(curinode, di_mode) & IFMT) != IFDIR) { 175 warnx("inode %llu not a directory", 176 (unsigned long long)curinum); 177 return 0; 178 } 179 return 1; 180 } 181 182 int 183 printactive(void) 184 { 185 if (!checkactive()) 186 return 1; 187 switch (DIP(curinode, di_mode) & IFMT) { 188 case IFDIR: 189 case IFREG: 190 case IFBLK: 191 case IFCHR: 192 case IFLNK: 193 case IFSOCK: 194 case IFIFO: 195 printstat("current inode", curinum, curinode); 196 break; 197 case 0: 198 printf("current inode %llu: unallocated inode\n", 199 (unsigned long long)curinum); 200 break; 201 default: 202 printf("current inode %llu: screwy itype 0%o (mode 0%o)?\n", 203 (unsigned long long)curinum, DIP(curinode, di_mode) & IFMT, 204 DIP(curinode, di_mode)); 205 break; 206 } 207 return 0; 208 } 209