source4/lib/tdb/tools/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 3 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, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "replace.h"
  21 #include "system/locale.h"
  22 #include "system/time.h"
  23 #include "system/filesys.h"
  24 #include "tdb.h"
  25
  26 static void print_data(TDB_DATA d)
  27 {
  28         unsigned char *p = (unsigned char *)d.dptr;
  29         int len = d.dsize;
  30         while (len--) {
  31                 if (isprint(*p) && !strchr("\"\\", *p)) {
  32                         fputc(*p, stdout);
  33                 } else {
  34                         printf("\\%02X", *p);
  35                 }
  36                 p++;
  37         }
  38 }
  39
  40 static int traverse_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
  41 {
  42         printf("{\n");
  43         printf("key(%d) = \"", (int)key.dsize);
  44         print_data(key);
  45         printf("\"\n");
  46         printf("data(%d) = \"", (int)dbuf.dsize);
  47         print_data(dbuf);
  48         printf("\"\n");
  49         printf("}\n");
  50         return 0;
  51 }
  52
  53 static int dump_tdb(const char *fname, const char *keyname)
  54 {
  55         TDB_CONTEXT *tdb;
  56         TDB_DATA key, value;
  57
  58         tdb = tdb_open(fname, 0, 0, O_RDONLY, 0);
  59         if (!tdb) {
  60                 printf("Failed to open %s\n", fname);
  61                 return 1;
  62         }
  63
  64         if (!keyname) {
  65                 tdb_traverse(tdb, traverse_fn, NULL);
  66         } else {
  67                 key.dptr = discard_const_p(uint8_t,keyname);
  68                 key.dsize = strlen( keyname);
  69                 value = tdb_fetch(tdb, key);
  70                 if (!value.dptr) {
  71                         return 1;
  72                 } else {
  73                         print_data(value);
  74                         free(value.dptr);
  75                 }
  76         }
  77
  78         return 0;
  79 }
  80
  81 static void usage( void)
  82 {
  83         printf( "Usage: tdbdump [options] <filename>\n\n");
  84         printf( "   -h          this help message\n");
  85         printf( "   -k keyname  dumps value of keyname\n");
  86 }
  87
  88  int main(int argc, char *argv[])
  89 {
  90         char *fname, *keyname=NULL;
  91         int c;
  92
  93         if (argc < 2) {
  94                 printf("Usage: tdbdump <fname>\n");
  95                 exit(1);
  96         }
  97
  98         while ((c = getopt( argc, argv, "hk:")) != -1) {
  99                 switch (c) {
 100                 case 'h':
 101                         usage();
 102                         exit( 0);
 103                 case 'k':
 104                         keyname = optarg;
 105                         break;
 106                 default:
 107                         usage();
 108                         exit( 1);
 109                 }
 110         }
 111
 112         fname = argv[optind];
 113
 114         return dump_tdb(fname, keyname);
 115 }