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fsdbutil.c revision 1.2
      1 /*	$NetBSD: fsdbutil.c,v 1.2 1995/10/08 23:18:12 thorpej Exp $	*/
      2 
      3 /*
      4  *  Copyright (c) 1995 John T. Kohl
      5  *  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. The name of the author may not be used to endorse or promote products
     16  *     derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     21  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     22  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     24  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     28  * POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef lint
     32 static char rcsid[] = "$NetBSD: fsdbutil.c,v 1.2 1995/10/08 23:18:12 thorpej Exp $";
     33 #endif /* not lint */
     34 
     35 #include <sys/types.h>
     36 #include <sys/stat.h>
     37 #include <sys/param.h>
     38 #include <sys/time.h>
     39 #include <sys/mount.h>
     40 #include <ctype.h>
     41 #include <fcntl.h>
     42 #include <grp.h>
     43 #include <pwd.h>
     44 #include <stdio.h>
     45 #include <stdlib.h>
     46 #include <string.h>
     47 #include <unistd.h>
     48 
     49 #include <ufs/ufs/dinode.h>
     50 #include <ufs/ffs/fs.h>
     51 
     52 #include "fsdb.h"
     53 #include "fsck.h"
     54 
     55 char **
     56 crack(line, argc)
     57 	char *line;
     58 	int *argc;
     59 {
     60     static char *argv[8];
     61     int i;
     62     char *p, *val;
     63     for (p = line, i = 0; p != NULL && i < 8; i++) {
     64 	while ((val = strsep(&p, " \t\n")) != NULL && *val == '\0')
     65 	    /**/;
     66 	if (val)
     67 	    argv[i] = val;
     68 	else
     69 	    break;
     70     }
     71     *argc = i;
     72     return argv;
     73 }
     74 
     75 int
     76 argcount(cmdp, argc, argv)
     77 	struct cmdtable *cmdp;
     78 	int argc;
     79 	char *argv[];
     80 {
     81     if (cmdp->minargc == cmdp->maxargc)
     82 	warnx("command `%s' takes %u arguments", cmdp->cmd, cmdp->minargc-1);
     83     else
     84 	warnx("command `%s' takes from %u to %u arguments",
     85 	      cmdp->cmd, cmdp->minargc-1, cmdp->maxargc-1);
     86 
     87     warnx("usage: %s: %s", cmdp->cmd, cmdp->helptxt);
     88     return 1;
     89 }
     90 
     91 void
     92 printstat(cp, inum, dp)
     93 	const char *cp;
     94 	ino_t inum;
     95 	struct dinode *dp;
     96 {
     97     struct group *grp;
     98     struct passwd *pw;
     99     char *p;
    100 
    101     printf("%s: ", cp);
    102     switch (dp->di_mode & IFMT) {
    103     case IFDIR:
    104 	puts("directory");
    105 	break;
    106     case IFREG:
    107 	puts("regular file");
    108 	break;
    109     case IFBLK:
    110 	printf("block special (%d,%d)",
    111 	       major(dp->di_rdev), minor(dp->di_rdev));
    112 	break;
    113     case IFCHR:
    114 	printf("character special (%d,%d)",
    115 	       major(dp->di_rdev), minor(dp->di_rdev));
    116 	break;
    117     case IFLNK:
    118 	fputs("symlink",stdout);
    119 	if (dp->di_size > 0 && dp->di_size < MAXSYMLINKLEN &&
    120 	    dp->di_blocks == 0)
    121 	    printf(" to `%.*s'\n", (int) dp->di_size, (char *)dp->di_shortlink);
    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     printf("I=%lu MODE=%o SIZE=%qu", inum, dp->di_mode, dp->di_size);
    133     p = ctime(&dp->di_mtime);
    134     printf("\n\tMTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
    135 	   dp->di_mtimensec);
    136     p = ctime(&dp->di_ctime);
    137     printf("\n\tCTIME=%15.15s %4.4s [%d nsec]", &p[4], &p[20],
    138 	   dp->di_ctimensec);
    139     p = ctime(&dp->di_atime);
    140     printf("\n\tATIME=%15.15s %4.4s [%d nsec]\n", &p[4], &p[20],
    141 	   dp->di_atimensec);
    142 
    143     if (pw = getpwuid(dp->di_uid))
    144 	printf("OWNER=%s ", pw->pw_name);
    145     else
    146 	printf("OWNUID=%u ", dp->di_uid);
    147     if (grp = getgrgid(dp->di_gid))
    148 	printf("GRP=%s ", grp->gr_name);
    149     else
    150 	printf("GID=%u ", dp->di_gid);
    151 
    152     printf("LINKCNT=%hd FLAGS=%#x BLKCNT=%x GEN=%x\n", dp->di_nlink, dp->di_flags,
    153 	   dp->di_blocks, dp->di_gen);
    154 }
    155 
    156 int
    157 checkactive()
    158 {
    159     if (!curinode) {
    160 	warnx("no current inode\n");
    161 	return 0;
    162     }
    163     return 1;
    164 }
    165 
    166 int
    167 checkactivedir()
    168 {
    169     if (!curinode) {
    170 	warnx("no current inode\n");
    171 	return 0;
    172     }
    173     if ((curinode->di_mode & IFMT) != IFDIR) {
    174 	warnx("inode %d not a directory", curinum);
    175 	return 0;
    176     }
    177     return 1;
    178 }
    179 
    180 int
    181 printactive()
    182 {
    183     if (!checkactive())
    184 	return 1;
    185     switch (curinode->di_mode & IFMT) {
    186     case IFDIR:
    187     case IFREG:
    188     case IFBLK:
    189     case IFCHR:
    190     case IFLNK:
    191     case IFSOCK:
    192     case IFIFO:
    193 	printstat("current inode", curinum, curinode);
    194 	break;
    195     case 0:
    196 	printf("current inode %d: unallocated inode\n", curinum);
    197 	break;
    198     default:
    199 	printf("current inode %d: screwy itype 0%o (mode 0%o)?\n",
    200 	       curinum, curinode->di_mode & IFMT, curinode->di_mode);
    201 	break;
    202     }
    203     return 0;
    204 }
    205