summaryrefslogtreecommitdiff
path: root/source3/tdb/tdbtool.c
blob: 86b534fb017013df566255d9c33262bfa22f40b5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
/* 
   Unix SMB/Netbios implementation.
   Version 3.0
   Samba database functions
   Copyright (C) Andrew Tridgell              1999-2000
   Copyright (C) Paul `Rusty' Russell		   2000
   Copyright (C) Jeremy Allison			   2000
   Copyright (C) Andrew Esh                        2001

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include <errno.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <ctype.h>
#include "tdb.h"

/* a tdb tool for manipulating a tdb database */

#define FSTRING_LEN 128
typedef char fstring[FSTRING_LEN];

typedef struct connections_key {
	pid_t pid;
	int cnum;
	fstring name;
} connections_key;

typedef struct connections_data {
	int magic;
	pid_t pid;
	int cnum;
	uid_t uid;
	gid_t gid;
	char name[24];
	char addr[24];
	char machine[128];
	time_t start;
} connections_data;

static TDB_CONTEXT *tdb;

static int print_rec(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state);

static void print_asc(unsigned char *buf,int len)
{
	int i;
	for (i=0;i<len;i++)
		printf("%c",isprint(buf[i])?buf[i]:'.');
}

static void print_data(unsigned char *buf,int len)
{
	int i=0;
	if (len<=0) return;
	printf("[%03X] ",i);
	for (i=0;i<len;) {
		printf("%02X ",(int)buf[i]);
		i++;
		if (i%8 == 0) printf(" ");
		if (i%16 == 0) {      
			print_asc(&buf[i-16],8); printf(" ");
			print_asc(&buf[i-8],8); printf("\n");
			if (i<len) printf("[%03X] ",i);
		}
	}
	if (i%16) {
		int n;
		
		n = 16 - (i%16);
		printf(" ");
		if (n>8) printf(" ");
		while (n--) printf("   ");
		
		n = i%16;
		if (n > 8) n = 8;
		print_asc(&buf[i-(i%16)],n); printf(" ");
		n = (i%16) - n;
		if (n>0) print_asc(&buf[i-n],n); 
		printf("\n");    
	}
}

static void help(void)
{
	printf("
tdbtool: 
  create    dbname     : create a database
  open      dbname     : open an existing database
  erase                : erase the database
  dump                 : dump the database as strings
  insert    key  data  : insert a record
  store     key  data  : store a record (replace)
  show      key        : show a record by key
  delete    key        : delete a record by key
  list                 : print the database hash table and freelist
  free                 : print the database freelist
  1 | first            : print the first record
  n | next             : print the next record
  q | quit             : terminate
  \\n                   : repeat 'next' command
");
}

static void terror(char *why)
{
	printf("%s\n", why);
}

static char *get_token(int startover)
{
        static char tmp[1024];
	static char *cont = NULL;
	char *insert, *start;
	char *k = strtok(NULL, " ");

	if (!k)
	  return NULL;

	if (startover)
	  start = tmp;
	else
	  start = cont;

	strcpy(start, k);
	insert = start + strlen(start) - 1;
	while (*insert == '\\') {
	  *insert++ = ' ';
	  k = strtok(NULL, " ");
	  if (!k)
	    break;
	  strcpy(insert, k);
	  insert = start + strlen(start) - 1;
	}

	/* Get ready for next call */
	cont = start + strlen(start) + 1;
	return start;
}

static void create_tdb(void)
{
	char *tok = get_token(1);
	if (!tok) {
		help();
		return;
	}
	if (tdb) tdb_close(tdb);
	tdb = tdb_open(tok, 0, TDB_CLEAR_IF_FIRST,
		       O_RDWR | O_CREAT | O_TRUNC, 0600);
	if (!tdb) {
		printf("Could not create %s: %s\n", tok, strerror(errno));
	}
}

static void open_tdb(void)
{
	char *tok = get_token(1);
	if (!tok) {
		help();
		return;
	}
	if (tdb) tdb_close(tdb);
	tdb = tdb_open(tok, 0, 0, O_RDWR, 0600);
	if (!tdb) {
		printf("Could not open %s: %s\n", tok, strerror(errno));
	}
}

static void insert_tdb(void)
{
	char *k = get_token(1);
	char *d = get_token(0);
	TDB_DATA key, dbuf;

	if (!k || !d) {
		help();
		return;
	}

	key.dptr = k;
	key.dsize = strlen(k)+1;
	dbuf.dptr = d;
	dbuf.dsize = strlen(d)+1;

	if (tdb_store(tdb, key, dbuf, TDB_INSERT) == -1) {
		terror("insert failed");
	}
}

static void store_tdb(void)
{
	char *k = get_token(1);
	char *d = get_token(0);
	TDB_DATA key, dbuf;

	if (!k || !d) {
		help();
		return;
	}

	key.dptr = k;
	key.dsize = strlen(k)+1;
	dbuf.dptr = d;
	dbuf.dsize = strlen(d)+1;

	printf("Storing key:\n");
	print_rec(tdb, key, dbuf, NULL);

	if (tdb_store(tdb, key, dbuf, TDB_REPLACE) == -1) {
		terror("store failed");
	}
}

static void show_tdb(void)
{
	char *k = get_token(1);
	TDB_DATA key, dbuf;

	if (!k) {
		help();
		return;
	}

	key.dptr = k;
	key.dsize = strlen(k)+1;

	dbuf = tdb_fetch(tdb, key);
	if (!dbuf.dptr) terror("fetch failed");
	/* printf("%s : %*.*s\n", k, (int)dbuf.dsize, (int)dbuf.dsize, dbuf.dptr); */
	print_rec(tdb, key, dbuf, NULL);
}

static void delete_tdb(void)
{
	char *k = get_token(1);
	TDB_DATA key;

	if (!k) {
		help();
		return;
	}

	key.dptr = k;
	key.dsize = strlen(k)+1;

	if (tdb_delete(tdb, key) != 0) {
		terror("delete failed");
	}
}

static int print_conn_key(TDB_DATA key)
{
	printf( "pid    =%5d   ", ((connections_key*)key.dptr)->pid);
	printf( "cnum   =%10d  ", ((connections_key*)key.dptr)->cnum);
	printf( "name   =[%s]\n", ((connections_key*)key.dptr)->name);
	return 0;
}

static int print_conn_data(TDB_DATA dbuf)
{
	printf( "pid    =%5d   ", ((connections_data*)dbuf.dptr)->pid);
	printf( "cnum   =%10d  ", ((connections_data*)dbuf.dptr)->cnum);
	printf( "name   =[%s]\n", ((connections_data*)dbuf.dptr)->name);
	
	printf( "uid    =%5d   ",  ((connections_data*)dbuf.dptr)->uid);
	printf( "addr   =[%s]\n", ((connections_data*)dbuf.dptr)->addr);
	printf( "gid    =%5d   ",  ((connections_data*)dbuf.dptr)->gid);
	printf( "machine=[%s]\n", ((connections_data*)dbuf.dptr)->machine);
	printf( "start  = %s\n",   ctime(&((connections_data*)dbuf.dptr)->start));
	return 0;
}

static int print_rec(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
{
#if 0
	print_conn_key(key);
	print_conn_data(dbuf);
	return 0;
#else
	printf("\nkey %d bytes\n", key.dsize);
	print_data(key.dptr, key.dsize);
	printf("data %d bytes\n", dbuf.dsize);
	print_data(dbuf.dptr, dbuf.dsize);
	return 0;
#endif
}

static int total_bytes;

static int traverse_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
{
	total_bytes += dbuf.dsize;
	return 0;
}

static void info_tdb(void)
{
	int count;
	total_bytes = 0;
	if ((count = tdb_traverse(tdb, traverse_fn, NULL) == -1))
		printf("Error = %s\n", tdb_errorstr(tdb));
	else
		printf("%d records totalling %d bytes\n", count, total_bytes);
}

static char *tdb_getline(char *prompt)
{
	static char line[1024];
	char *p;
	fputs(prompt, stdout);
	line[0] = 0;
	p = fgets(line, sizeof(line)-1, stdin);
	if (p) p = strchr(p, '\n');
	if (p) *p = 0;
	return p?line:NULL;
}

static int do_delete_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf,
                     void *state)
{
    return tdb_delete(tdb, key);
}

static void first_record(TDB_CONTEXT *tdb, TDB_DATA *pkey)
{
	TDB_DATA dbuf;
	*pkey = tdb_firstkey(tdb);
	
	dbuf = tdb_fetch(tdb, *pkey);
	if (!dbuf.dptr) terror("fetch failed");
	/* printf("%s : %*.*s\n", k, (int)dbuf.dsize, (int)dbuf.dsize, dbuf.dptr); */
	print_rec(tdb, *pkey, dbuf, NULL);
}

static void next_record(TDB_CONTEXT *tdb, TDB_DATA *pkey)
{
	TDB_DATA dbuf;
	*pkey = tdb_nextkey(tdb, *pkey);
	
	dbuf = tdb_fetch(tdb, *pkey);
	if (!dbuf.dptr) 
		terror("fetch failed");
	else
		/* printf("%s : %*.*s\n", k, (int)dbuf.dsize, (int)dbuf.dsize, dbuf.dptr); */
		print_rec(tdb, *pkey, dbuf, NULL);
}

int main(int argc, char *argv[])
{
    int bIterate = 0;
    char *line;
    char *tok;
	TDB_DATA iterate_kbuf;

    if (argv[1]) {
	static char tmp[1024];
        sprintf(tmp, "open %s", argv[1]);
        tok=strtok(tmp," ");
        open_tdb();
    }

    while ((line = tdb_getline("tdb> "))) {

        /* Shell command */
        
        if (line[0] == '!') {
            system(line + 1);
            continue;
        }
        
        if ((tok = strtok(line," "))==NULL) {
           if (bIterate)
              next_record(tdb, &iterate_kbuf);
           continue;
        }
        if (strcmp(tok,"create") == 0) {
            bIterate = 0;
            create_tdb();
            continue;
        } else if (strcmp(tok,"open") == 0) {
            open_tdb();
            continue;
        } else if ((strcmp(tok, "q") == 0) ||
                   (strcmp(tok, "quit") == 0)) {
            break;
	}
            
        /* all the rest require a open database */
        if (!tdb) {
            bIterate = 0;
            terror("database not open");
            help();
            continue;
        }
            
        if (strcmp(tok,"insert") == 0) {
            bIterate = 0;
            insert_tdb();
        } else if (strcmp(tok,"store") == 0) {
            bIterate = 0;
            store_tdb();
        } else if (strcmp(tok,"show") == 0) {
            bIterate = 0;
            show_tdb();
        } else if (strcmp(tok,"erase") == 0) {
            bIterate = 0;
            tdb_traverse(tdb, do_delete_fn, NULL);
        } else if (strcmp(tok,"delete") == 0) {
            bIterate = 0;
            delete_tdb();
        } else if (strcmp(tok,"dump") == 0) {
            bIterate = 0;
            tdb_traverse(tdb, print_rec, NULL);
        } else if (strcmp(tok,"list") == 0) {
            tdb_dump_all(tdb);
        } else if (strcmp(tok, "free") == 0) {
            tdb_printfreelist(tdb);
        } else if (strcmp(tok,"info") == 0) {
            info_tdb();
        } else if ( (strcmp(tok, "1") == 0) ||
                    (strcmp(tok, "first") == 0)) {
            bIterate = 1;
            first_record(tdb, &iterate_kbuf);
        } else if ((strcmp(tok, "n") == 0) ||
                   (strcmp(tok, "next") == 0)) {
            next_record(tdb, &iterate_kbuf);
        } else {
            help();
        }
    }

    if (tdb) tdb_close(tdb);

    return 0;
}