update lib/replace from samba4
[vlendec/samba-autobuild/.git] / ctdb / 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 }