1 /* $OpenBSD: fsdbutil.c,v 1.20 2019/02/05 02:17:32 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/stat.h> 34 #include <sys/time.h> 35 #include <sys/mount.h> 36 #include <ctype.h> 37 #include <err.h> 38 #include <fcntl.h> 39 #include <grp.h> 40 #include <pwd.h> 41 #include <stdio.h> 42 #include <stdlib.h> 43 #include <string.h> 44 #include <unistd.h> 45 46 #include <ufs/ufs/dinode.h> 47 #include <ufs/ffs/fs.h> 48 49 #include "fsdb.h" 50 #include "fsck.h" 51 52 char ** 53 crack(char *line, int *argc) 54 { 55 static char *argv[8]; 56 int i; 57 char *p, *val; 58 59 for (p = line, i = 0; p != NULL && i < 8; i++) { 60 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0') 61 /**/; 62 if (val) 63 argv[i] = val; 64 else 65 break; 66 } 67 *argc = i; 68 return argv; 69 } 70 71 int 72 argcount(struct cmdtable *cmdp, int argc, char *argv[]) 73 { 74 if (cmdp->minargc == cmdp->maxargc) 75 warnx("command `%s' takes %u arguments", cmdp->cmd, cmdp->minargc-1); 76 else 77 warnx("command `%s' takes from %u to %u arguments", 78 cmdp->cmd, cmdp->minargc-1, cmdp->maxargc-1); 79 warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt); 80 return 1; 81 } 82 83 void 84 printstat(const char *cp, ino_t inum, union dinode *dp) 85 { 86 const char *name; 87 time_t t; 88 char *p; 89 90 printf("%s: ", cp); 91 switch (DIP(dp, di_mode) & IFMT) { 92 case IFDIR: 93 puts("directory"); 94 break; 95 case IFREG: 96 puts("regular file"); 97 break; 98 case IFBLK: 99 printf("block special (%u,%u)", 100 (int)major(DIP(dp, di_rdev)), (int)minor(DIP(dp, di_rdev))); 101 break; 102 case IFCHR: 103 printf("character special (%u,%u)", 104 (int)major(DIP(dp, di_rdev)), (int)minor(DIP(dp, di_rdev))); 105 break; 106 case IFLNK: 107 fputs("symlink",stdout); 108 if (DIP(dp, di_size) > 0 && 109 DIP(dp, di_size) < sblock.fs_maxsymlinklen && 110 DIP(dp, di_blocks) == 0) { 111 char *p = sblock.fs_magic == FS_UFS1_MAGIC ? 112 (char *)dp->dp1.di_shortlink : 113 (char *)dp->dp2.di_shortlink; 114 printf(" to `%.*s'\n", (int)DIP(dp, di_size), p); 115 } else 116 putchar('\n'); 117 break; 118 case IFSOCK: 119 puts("socket"); 120 break; 121 case IFIFO: 122 puts("fifo"); 123 break; 124 } 125 126 printf("I=%llu MODE=%o SIZE=%llu", (unsigned long long)inum, 127 DIP(dp, di_mode), DIP(dp, di_size)); 128 t = DIP(dp, di_mtime); 129 p = ctime(&t); 130 printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20], 131 DIP(dp, di_mtimensec)); 132 t = DIP(dp, di_ctime); 133 p = ctime(&t); 134 printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20], 135 DIP(dp, di_ctimensec)); 136 t = DIP(dp, di_atime); 137 p = ctime(&t); 138 printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20], 139 DIP(dp, di_atimensec)); 140 141 if ((name = user_from_uid(DIP(dp, di_uid), 1)) != NULL) 142 printf("OWNER=%s ", name); 143 else 144 printf("OWNUID=%u ", DIP(dp, di_uid)); 145 if ((name = group_from_gid(DIP(dp, di_gid), 1)) != NULL) 146 printf("GRP=%s ", name); 147 else 148 printf("GID=%u ", DIP(dp, di_gid)); 149 150 printf("LINKCNT=%d FLAGS=%#x BLKCNT=%x GEN=%x\n", DIP(dp, di_nlink), 151 DIP(dp, di_flags), (unsigned)DIP(dp, di_blocks), DIP(dp, di_gen)); 152 } 153 154 int 155 checkactive(void) 156 { 157 if (!curinode) { 158 warnx("no current inode"); 159 return 0; 160 } 161 return 1; 162 } 163 164 int 165 checkactivedir(void) 166 { 167 if (!curinode) { 168 warnx("no current inode"); 169 return 0; 170 } 171 if ((DIP(curinode, di_mode) & IFMT) != IFDIR) { 172 warnx("inode %llu not a directory", 173 (unsigned long long)curinum); 174 return 0; 175 } 176 return 1; 177 } 178 179 int 180 printactive(void) 181 { 182 if (!checkactive()) 183 return 1; 184 switch (DIP(curinode, di_mode) & IFMT) { 185 case IFDIR: 186 case IFREG: 187 case IFBLK: 188 case IFCHR: 189 case IFLNK: 190 case IFSOCK: 191 case IFIFO: 192 printstat("current inode", curinum, curinode); 193 break; 194 case 0: 195 printf("current inode %llu: unallocated inode\n", 196 (unsigned long long)curinum); 197 break; 198 default: 199 printf("current inode %llu: screwy itype 0%o (mode 0%o)?\n", 200 (unsigned long long)curinum, DIP(curinode, di_mode) & IFMT, 201 DIP(curinode, di_mode)); 202 break; 203 } 204 return 0; 205 } 206