1 /* $NetBSD: fsdbutil.c,v 1.2 1995/10/08 23:18:12 thorpej Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-3-Clause 5 * 6 * Copyright (c) 1995 John T. Kohl 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 22 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 23 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 24 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 25 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 26 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 28 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 29 * 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 const char rcsid[] = 35 "$FreeBSD$"; 36 #endif /* not lint */ 37 38 #include <sys/param.h> 39 #include <ctype.h> 40 #include <err.h> 41 #include <grp.h> 42 #include <pwd.h> 43 #include <stdint.h> 44 #include <string.h> 45 #include <time.h> 46 #include <timeconv.h> 47 48 #include <ufs/ufs/dinode.h> 49 #include <ufs/ffs/fs.h> 50 51 #include <sys/ioctl.h> 52 53 #include "fsdb.h" 54 #include "fsck.h" 55 56 void prtblknos(struct fs *fs, union dinode *dp); 57 58 char ** 59 crack(char *line, int *argc) 60 { 61 static char *argv[8]; 62 int i; 63 char *p, *val; 64 for (p = line, i = 0; p != NULL && i < 8; i++) { 65 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0') 66 /**/; 67 if (val) 68 argv[i] = val; 69 else 70 break; 71 } 72 *argc = i; 73 return argv; 74 } 75 76 char ** 77 recrack(char *line, int *argc, int argc_max) 78 { 79 static char *argv[8]; 80 int i; 81 char *p, *val; 82 for (p = line, i = 0; p != NULL && i < 8 && i < argc_max - 1; i++) { 83 while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0') 84 /**/; 85 if (val) 86 argv[i] = val; 87 else 88 break; 89 } 90 argv[i] = argv[i - 1] + strlen(argv[i - 1]) + 1; 91 argv[i][strcspn(argv[i], "\n")] = '\0'; 92 *argc = i + 1; 93 return argv; 94 } 95 96 int 97 argcount(struct cmdtable *cmdp, int argc, char *argv[]) 98 { 99 if (cmdp->minargc == cmdp->maxargc) 100 warnx("command `%s' takes %u arguments, got %u", cmdp->cmd, 101 cmdp->minargc-1, argc-1); 102 else 103 warnx("command `%s' takes from %u to %u arguments", 104 cmdp->cmd, cmdp->minargc-1, cmdp->maxargc-1); 105 106 warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt); 107 return 1; 108 } 109 110 void 111 printstat(const char *cp, ino_t inum, union dinode *dp) 112 { 113 struct group *grp; 114 struct passwd *pw; 115 ufs2_daddr_t blocks; 116 int64_t gen; 117 char *p; 118 time_t t; 119 120 printf("%s: ", cp); 121 switch (DIP(dp, di_mode) & IFMT) { 122 case IFDIR: 123 puts("directory"); 124 break; 125 case IFREG: 126 puts("regular file"); 127 break; 128 case IFBLK: 129 printf("block special (%#jx)", (uintmax_t)DIP(dp, di_rdev)); 130 break; 131 case IFCHR: 132 printf("character special (%#jx)", DIP(dp, di_rdev)); 133 break; 134 case IFLNK: 135 fputs("symlink",stdout); 136 if (DIP(dp, di_size) > 0 && 137 DIP(dp, di_size) < sblock.fs_maxsymlinklen && 138 DIP(dp, di_blocks) == 0) { 139 if (sblock.fs_magic == FS_UFS1_MAGIC) 140 p = (caddr_t)dp->dp1.di_db; 141 else 142 p = (caddr_t)dp->dp2.di_db; 143 printf(" to `%.*s'\n", (int) DIP(dp, di_size), p); 144 } else { 145 putchar('\n'); 146 } 147 break; 148 case IFSOCK: 149 puts("socket"); 150 break; 151 case IFIFO: 152 puts("fifo"); 153 break; 154 } 155 printf("I=%ju MODE=%o SIZE=%ju", (uintmax_t)inum, DIP(dp, di_mode), 156 (uintmax_t)DIP(dp, di_size)); 157 if (sblock.fs_magic != FS_UFS1_MAGIC) { 158 t = _time64_to_time(dp->dp2.di_birthtime); 159 p = ctime(&t); 160 printf("\n\tBTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20], 161 dp->dp2.di_birthnsec); 162 } 163 if (sblock.fs_magic == FS_UFS1_MAGIC) 164 t = _time32_to_time(dp->dp1.di_mtime); 165 else 166 t = _time64_to_time(dp->dp2.di_mtime); 167 p = ctime(&t); 168 printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20], 169 DIP(dp, di_mtimensec)); 170 if (sblock.fs_magic == FS_UFS1_MAGIC) 171 t = _time32_to_time(dp->dp1.di_ctime); 172 else 173 t = _time64_to_time(dp->dp2.di_ctime); 174 p = ctime(&t); 175 printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20], 176 DIP(dp, di_ctimensec)); 177 if (sblock.fs_magic == FS_UFS1_MAGIC) 178 t = _time32_to_time(dp->dp1.di_atime); 179 else 180 t = _time64_to_time(dp->dp2.di_atime); 181 p = ctime(&t); 182 printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20], 183 DIP(dp, di_atimensec)); 184 185 if ((pw = getpwuid(DIP(dp, di_uid)))) 186 printf("OWNER=%s ", pw->pw_name); 187 else 188 printf("OWNUID=%u ", DIP(dp, di_uid)); 189 if ((grp = getgrgid(DIP(dp, di_gid)))) 190 printf("GRP=%s ", grp->gr_name); 191 else 192 printf("GID=%u ", DIP(dp, di_gid)); 193 194 blocks = DIP(dp, di_blocks); 195 gen = DIP(dp, di_gen); 196 printf("LINKCNT=%d FLAGS=%#x BLKCNT=%jx GEN=%jx\n", DIP(dp, di_nlink), 197 DIP(dp, di_flags), (intmax_t)blocks, (intmax_t)gen); 198 } 199 200 201 int 202 checkactive(void) 203 { 204 if (!curinode) { 205 warnx("no current inode\n"); 206 return 0; 207 } 208 return 1; 209 } 210 211 int 212 checkactivedir(void) 213 { 214 if (!curinode) { 215 warnx("no current inode\n"); 216 return 0; 217 } 218 if ((DIP(curinode, di_mode) & IFMT) != IFDIR) { 219 warnx("inode %ju not a directory", (uintmax_t)curinum); 220 return 0; 221 } 222 return 1; 223 } 224 225 int 226 printactive(int doblocks) 227 { 228 if (!checkactive()) 229 return 1; 230 switch (DIP(curinode, di_mode) & IFMT) { 231 case IFDIR: 232 case IFREG: 233 case IFBLK: 234 case IFCHR: 235 case IFLNK: 236 case IFSOCK: 237 case IFIFO: 238 if (doblocks) 239 prtblknos(&sblock, curinode); 240 else 241 printstat("current inode", curinum, curinode); 242 break; 243 case 0: 244 printf("current inode %ju: unallocated inode\n", (uintmax_t)curinum); 245 break; 246 default: 247 printf("current inode %ju: screwy itype 0%o (mode 0%o)?\n", 248 (uintmax_t)curinum, DIP(curinode, di_mode) & IFMT, 249 DIP(curinode, di_mode)); 250 break; 251 } 252 return 0; 253 } 254