release/src/router/samba3/source/tdb/tdbdump.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    simple tdb dump util
   4    Copyright (C) Andrew Tridgell              2001
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include <errno.h>
  22 #include <stdlib.h>
  23 #include <stdio.h>
  24 #include <fcntl.h>
  25 #include <unistd.h>
  26 #include <string.h>
  27 #include <fcntl.h>
  28 #include <time.h>
  29 #include <sys/stat.h>
  30 #include <sys/time.h>
  31 #include <ctype.h>
  32 #include <signal.h>
  33 #include "tdb.h"
  34
  35 static void print_data(TDB_DATA d)
  36 {
  37         unsigned char *p = (unsigned char *)d.dptr;
  38         int len = d.dsize;
  39         while (len--) {
  40                 if (isprint(*p) && !strchr("\"\\", *p)) {
  41                         fputc(*p, stdout);
  42                 } else {
  43                         printf("\\%02X", *p);
  44                 }
  45                 p++;
  46         }
  47 }
  48
  49 static int traverse_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
  50 {
  51         printf("{\n");
  52         printf("key(%d) = \"", (int)key.dsize);
  53         print_data(key);
  54         printf("\"\n");
  55         printf("data(%d) = \"", (int)dbuf.dsize);
  56         print_data(dbuf);
  57         printf("\"\n");
  58         printf("}\n");
  59         return 0;
  60 }
  61
  62 static int dump_tdb(const char *fname, const char *keyname)
  63 {
  64         TDB_CONTEXT *tdb;
  65         TDB_DATA key, value;
  66
  67         tdb = tdb_open(fname, 0, 0, O_RDONLY, 0);
  68         if (!tdb) {
  69                 printf("Failed to open %s\n", fname);
  70                 return 1;
  71         }
  72
  73         if (!keyname) {
  74                 tdb_traverse(tdb, traverse_fn, NULL);
  75         } else {
  76                 key.dptr = (char *)keyname;
  77                 key.dsize = strlen( keyname);
  78                 value = tdb_fetch(tdb, key);
  79                 if (!value.dptr) {
  80                         return 1;
  81                 } else {
  82                         print_data(value);
  83                         free(value.dptr);
  84                 }
  85         }
  86
  87         return 0;
  88 }
  89
  90 static void usage( void)
  91 {
  92         printf( "Usage: tdbdump [options] <filename>\n\n");
  93         printf( "   -h          this help message\n");
  94         printf( "   -k keyname  dumps value of keyname\n");
  95 }
  96
  97  int main(int argc, char *argv[])
  98 {
  99         char *fname, *keyname=NULL;
 100         int c;
 101
 102         if (argc < 2) {
 103                 printf("Usage: tdbdump <fname>\n");
 104                 exit(1);
 105         }
 106
 107         while ((c = getopt( argc, argv, "hk:")) != -1) {
 108                 switch (c) {
 109                 case 'h':
 110                         usage();
 111                         exit( 0);
 112                 case 'k':
 113                         keyname = optarg;
 114                         break;
 115                 default:
 116                         usage();
 117                         exit( 1);
 118                 }
 119         }
 120
 121         fname = argv[optind];
 122
 123         return dump_tdb(fname, keyname);
 124 }