1 /* $OpenBSD: fsdbutil.c,v 1.13 2008/06/26 05:42:06 ray 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 #ifndef lint 34 static char rcsid[] = "$OpenBSD: fsdbutil.c,v 1.13 2008/06/26 05:42:06 ray Exp $"; 35 #endif /* not lint */ 36 37 #include <sys/types.h> 38 #include <sys/stat.h> 39 #include <sys/param.h> 40 #include <sys/time.h> 41 #include <sys/mount.h> 42 #include <ctype.h> 43 #include <err.h> 44 #include <fcntl.h> 45 #include <grp.h> 46 #include <pwd.h> 47 #include <stdio.h> 48 #include <stdlib.h> 49 #include <string.h> 50 #include <unistd.h> 51 52 #include <ufs/ufs/dinode.h> 53 #include <ufs/ffs/fs.h> 54 55 #include "fsdb.h" 56 #include "fsck.h" 57 58 char ** 59 crack(char *line, int *argc) 60 { 61 static char *argv[8]; 62 int i; 63 char *p, *val; 64 65 for (p = line, i = 0; p != NULL && i < 8; i++) { 66 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0') 67 /**/; 68 if (val) 69 argv[i] = val; 70 else 71 break; 72 } 73 *argc = i; 74 return argv; 75 } 76 77 int 78 argcount(struct cmdtable *cmdp, int argc, char *argv[]) 79 { 80 if (cmdp->minargc == cmdp->maxargc) 81 warnx("command `%s' takes %u arguments", cmdp->cmd, cmdp->minargc-1); 82 else 83 warnx("command `%s' takes from %u to %u arguments", 84 cmdp->cmd, cmdp->minargc-1, cmdp->maxargc-1); 85 warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt); 86 return 1; 87 } 88 89 void 90 printstat(const char *cp, ino_t inum, union dinode *dp) 91 { 92 struct group *grp; 93 struct passwd *pw; 94 time_t t; 95 char *p; 96 97 printf("%s: ", cp); 98 switch (DIP(dp, di_mode) & IFMT) { 99 case IFDIR: 100 puts("directory"); 101 break; 102 case IFREG: 103 puts("regular file"); 104 break; 105 case IFBLK: 106 printf("block special (%d,%d)", 107 (int)major(DIP(dp, di_rdev)), (int)minor(DIP(dp, di_rdev))); 108 break; 109 case IFCHR: 110 printf("character special (%d,%d)", 111 (int)major(DIP(dp, di_rdev)), (int)minor(DIP(dp, di_rdev))); 112 break; 113 case IFLNK: 114 fputs("symlink",stdout); 115 if (DIP(dp, di_size) > 0 && 116 DIP(dp, di_size) < sblock.fs_maxsymlinklen && 117 DIP(dp, di_blocks) == 0) { 118 char *p = sblock.fs_magic == FS_UFS1_MAGIC ? 119 (char *)dp->dp1.di_shortlink : 120 (char *)dp->dp2.di_shortlink; 121 printf(" to `%.*s'\n", (int)DIP(dp, di_size), p); 122 } else 123 putchar('\n'); 124 break; 125 case IFSOCK: 126 puts("socket"); 127 break; 128 case IFIFO: 129 puts("fifo"); 130 break; 131 } 132 133 printf("I=%u MODE=%o SIZE=%llu", inum, DIP(dp, di_mode), DIP(dp, di_size)); 134 t = DIP(dp, di_mtime); 135 p = ctime(&t); 136 printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20], 137 DIP(dp, di_mtimensec)); 138 t = DIP(dp, di_ctime); 139 p = ctime(&t); 140 printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20], 141 DIP(dp, di_ctimensec)); 142 t = DIP(dp, di_atime); 143 p = ctime(&t); 144 printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20], 145 DIP(dp, di_atimensec)); 146 147 if ((pw = getpwuid(DIP(dp, di_uid)))) 148 printf("OWNER=%s ", pw->pw_name); 149 else 150 printf("OWNUID=%u ", DIP(dp, di_uid)); 151 if ((grp = getgrgid(DIP(dp, di_gid)))) 152 printf("GRP=%s ", grp->gr_name); 153 else 154 printf("GID=%u ", DIP(dp, di_gid)); 155 156 printf("LINKCNT=%hd FLAGS=%#x BLKCNT=%x GEN=%x\n", DIP(dp, di_nlink), 157 DIP(dp, di_flags), (unsigned)DIP(dp, di_blocks), DIP(dp, di_gen)); 158 } 159 160 int 161 checkactive(void) 162 { 163 if (!curinode) { 164 warnx("no current inode"); 165 return 0; 166 } 167 return 1; 168 } 169 170 int 171 checkactivedir(void) 172 { 173 if (!curinode) { 174 warnx("no current inode"); 175 return 0; 176 } 177 if ((DIP(curinode, di_mode) & IFMT) != IFDIR) { 178 warnx("inode %d not a directory", curinum); 179 return 0; 180 } 181 return 1; 182 } 183 184 int 185 printactive(void) 186 { 187 if (!checkactive()) 188 return 1; 189 switch (DIP(curinode, di_mode) & IFMT) { 190 case IFDIR: 191 case IFREG: 192 case IFBLK: 193 case IFCHR: 194 case IFLNK: 195 case IFSOCK: 196 case IFIFO: 197 printstat("current inode", curinum, curinode); 198 break; 199 case 0: 200 printf("current inode %d: unallocated inode\n", curinum); 201 break; 202 default: 203 printf("current inode %d: screwy itype 0%o (mode 0%o)?\n", 204 curinum, DIP(curinode, di_mode) & IFMT, 205 DIP(curinode, di_mode)); 206 break; 207 } 208 return 0; 209 } 210