summaryrefslogtreecommitdiff
path: root/source3/passdb/pdb_pgsql.c
blob: 4474bf04e36a97fb10ffb521933ff0432f54cb87 (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
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
/*
 * PostgresSQL password backend for samba
 * Copyright (C) Hamish Friedlander 2003
 * Copyright (C) Jelmer Vernooij 2004
 * 
 * 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 "includes.h"
#include <libpq-fe.h>

#define CONFIG_HOST_DEFAULT				"localhost"
#define CONFIG_USER_DEFAULT				"samba"
#define CONFIG_PASS_DEFAULT				""
#define CONFIG_PORT_DEFAULT				"5432"
#define CONFIG_DB_DEFAULT				"samba"

/* handles for doing db transactions */
typedef struct pdb_pgsql_data {
  PGconn     *handle ;
  PGresult   *pwent  ;
  long        currow ;
  
  const char *location ;
} pdb_pgsql_data ;

#define SET_DATA(data,methods) { \
	if(!methods){ \
		DEBUG(0, ("invalid methods!\n")); \
			return NT_STATUS_INVALID_PARAMETER; \
	} \
	data = (struct pdb_pgsql_data *)methods->private_data; \
		if(!data || !(data->handle)){ \
			DEBUG(0, ("invalid handle!\n")); \
				return NT_STATUS_INVALID_HANDLE; \
		} \
}

#define SET_DATA_QUIET(data,methods) { \
	if(!methods){ \
		DEBUG(0, ("invalid methods!\n")); \
			return ; \
	} \
	data = (struct pdb_pgsql_data *)methods->private_data; \
		if(!data || !(data->handle)){ \
			DEBUG(0, ("invalid handle!\n")); \
				return ; \
		} \
}


#define config_value( data, name, default_value ) \
  lp_parm_const_string( GLOBAL_SECTION_SNUM, (data)->location, name, default_value )

static long PQgetlong( PGresult *r, long row, long col )
{
  if ( PQgetisnull( r, row, col ) ) return 0 ;
  
  return atol( PQgetvalue( r, row,  col ) ) ;
}

static NTSTATUS row_to_sam_account ( PGresult *r, long row, SAM_ACCOUNT *u )
{
  pstring temp ;
  DOM_SID sid ;
  
  if ( row >= PQntuples( r ) ) return NT_STATUS_INVALID_PARAMETER ;

  pdb_set_logon_time           ( u, PQgetlong ( r, row,  0 ), PDB_SET ) ;
  pdb_set_logoff_time          ( u, PQgetlong ( r, row,  1 ), PDB_SET ) ;
  pdb_set_kickoff_time         ( u, PQgetlong ( r, row,  2 ), PDB_SET ) ;
  pdb_set_pass_last_set_time   ( u, PQgetlong ( r, row,  3 ), PDB_SET ) ;
  pdb_set_pass_can_change_time ( u, PQgetlong ( r, row,  4 ), PDB_SET ) ;
  pdb_set_pass_must_change_time( u, PQgetlong ( r, row,  5 ), PDB_SET ) ;
  pdb_set_username             ( u, PQgetvalue( r, row,  6 ), PDB_SET ) ;
  pdb_set_domain               ( u, PQgetvalue( r, row,  7 ), PDB_SET ) ;
  pdb_set_nt_username          ( u, PQgetvalue( r, row,  8 ), PDB_SET ) ;
  pdb_set_fullname             ( u, PQgetvalue( r, row,  9 ), PDB_SET ) ;
  pdb_set_homedir              ( u, PQgetvalue( r, row, 10 ), PDB_SET ) ;
  pdb_set_dir_drive            ( u, PQgetvalue( r, row, 11 ), PDB_SET ) ;
  pdb_set_logon_script         ( u, PQgetvalue( r, row, 12 ), PDB_SET ) ;
  pdb_set_profile_path         ( u, PQgetvalue( r, row, 13 ), PDB_SET ) ;
  pdb_set_acct_desc            ( u, PQgetvalue( r, row, 14 ), PDB_SET ) ;
  pdb_set_workstations         ( u, PQgetvalue( r, row, 15 ), PDB_SET ) ;
  pdb_set_unknown_str          ( u, PQgetvalue( r, row, 16 ), PDB_SET ) ;
  pdb_set_munged_dial          ( u, PQgetvalue( r, row, 17 ), PDB_SET ) ;
  
  pdb_set_acct_ctrl            ( u, PQgetlong ( r, row, 23 ), PDB_SET ) ;
  pdb_set_logon_divs           ( u, PQgetlong ( r, row, 24 ), PDB_SET ) ;
  pdb_set_hours_len            ( u, PQgetlong ( r, row, 25 ), PDB_SET ) ;
  pdb_set_bad_password_count	( u, PQgetlong (r, row, 26 ), PDB_SET ) ;
  pdb_set_logon_count            ( u, PQgetlong ( r, row, 27 ), PDB_SET ) ;
  pdb_set_unknown_6            ( u, PQgetlong ( r, row, 28 ), PDB_SET ) ;
  
  if ( !PQgetisnull( r, row, 18 ) ) {
    string_to_sid( &sid, PQgetvalue( r, row, 18 ) ) ;
    pdb_set_user_sid ( u, &sid, PDB_SET ) ;
  }

  if ( !PQgetisnull( r, row, 19 ) ) {
    string_to_sid( &sid, PQgetvalue( r, row, 19 ) ) ;
    pdb_set_group_sid( u, &sid, PDB_SET ) ;
  }
  
  if ( pdb_gethexpwd( PQgetvalue( r, row, 20 ), temp ), PDB_SET ) pdb_set_lanman_passwd( u, temp, PDB_SET ) ;
  if ( pdb_gethexpwd( PQgetvalue( r, row, 21 ), temp ), PDB_SET ) pdb_set_nt_passwd    ( u, temp, PDB_SET ) ;
  
  /* Only use plaintext password storage when lanman and nt are NOT used */
  if ( PQgetisnull( r, row, 20 ) || PQgetisnull( r, row, 21 ) ) pdb_set_plaintext_passwd( u, PQgetvalue( r, row, 22 ) ) ;
  
  return NT_STATUS_OK ;
}

static NTSTATUS pgsqlsam_setsampwent(struct pdb_methods *methods, BOOL update, uint16 acb_mask)
{
  struct pdb_pgsql_data *data ;
  char *query ;
  NTSTATUS retval ;
  
  SET_DATA( data, methods ) ;
  
  query = sql_account_query_select(data->location, update, SQL_SEARCH_NONE, NULL);
  
  /* Do it */
  DEBUG( 5, ("Executing query %s\n", query) ) ;
  data->pwent  = PQexec( data->handle, query ) ;
  data->currow = 0 ;
  
  /* Result? */
  if ( data->pwent == NULL )
  {
    DEBUG( 0, ("Error executing %s, %s\n", query, PQerrorMessage( data->handle ) ) ) ;
    retval = NT_STATUS_UNSUCCESSFUL ;
  }
  else if ( PQresultStatus( data->pwent ) != PGRES_TUPLES_OK )
  {
    DEBUG( 0, ("Error executing %s, %s\n", query, PQresultErrorMessage( data->pwent ) ) ) ;
    retval = NT_STATUS_UNSUCCESSFUL ;
  }
  else
  {
    DEBUG( 5, ("pgsqlsam_setsampwent succeeded(%d results)!\n", PQntuples(data->pwent)) ) ;
    retval = NT_STATUS_OK ;
  }
  
  SAFE_FREE(query);
  return retval ;
}

/***************************************************************
  End enumeration of the passwd list.
 ****************************************************************/

static void pgsqlsam_endsampwent(struct pdb_methods *methods)
{
  struct pdb_pgsql_data *data ; 
    
  SET_DATA_QUIET( data, methods ) ;
  
  if (data->pwent != NULL)
  {
    PQclear( data->pwent ) ;
  }
  
  data->pwent  = NULL ;
  data->currow = 0 ;
  
  DEBUG( 5, ("pgsql_endsampwent called\n") ) ;
}

/*****************************************************************
  Get one SAM_ACCOUNT from the list (next in line)
 *****************************************************************/

static NTSTATUS pgsqlsam_getsampwent( struct pdb_methods *methods, SAM_ACCOUNT *user )
{
  struct pdb_pgsql_data *data;
  NTSTATUS retval ;
  
  SET_DATA( data, methods ) ;
  
  if ( data->pwent == NULL )
  {
    DEBUG( 0, ("invalid pwent\n") ) ;
    return NT_STATUS_INVALID_PARAMETER ;
  }
  
  retval = row_to_sam_account( data->pwent, data->currow, user ) ;
  data->currow++ ;
  
  return retval ;
}

static NTSTATUS pgsqlsam_select_by_field ( struct pdb_methods *methods, SAM_ACCOUNT *user, enum sql_search_field field, const char *sname )
{
  struct pdb_pgsql_data *data ;
  
  char *esc ;
  char *query ;
  
  PGresult *result ;
  NTSTATUS retval ;

  SET_DATA(data, methods);

  if ( user == NULL )
  {
    DEBUG( 0, ("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n") ) ;
    return NT_STATUS_INVALID_PARAMETER;
  }
  
  DEBUG( 5, ("pgsqlsam_select_by_field: getting data where %d = %s(nonescaped)\n", field, sname) ) ;
  
  /* Escape sname */
  esc = malloc(strlen(sname) * 2 + 1);
  if ( !esc )
  {
    DEBUG(0, ("Can't allocate memory to store escaped name\n"));
    return NT_STATUS_NO_MEMORY; 
  }
  
  //tmp_sname = smb_xstrdup(sname);
  PQescapeString( esc, sname, strlen(sname) ) ;
  
  query = sql_account_query_select(data->location, True, field, esc);
  
  /* Do it */
  DEBUG( 5, ("Executing query %s\n", query) ) ;
  result = PQexec( data->handle, query ) ;
  
  /* Result? */
  if ( result == NULL )
  {
    DEBUG( 0, ("Error executing %s, %s\n", query, PQerrorMessage( data->handle ) ) ) ;
    retval = NT_STATUS_UNSUCCESSFUL ;
  }
  else if ( PQresultStatus( result ) != PGRES_TUPLES_OK )
  {
    DEBUG( 0, ("Error executing %s, %s\n", query, PQresultErrorMessage( result ) ) ) ;
    retval = NT_STATUS_UNSUCCESSFUL ;
  }
  else
  {
    retval = row_to_sam_account( result, 0, user ) ;
  }
  
  SAFE_FREE( esc   ) ;
  SAFE_FREE( query ) ;
  
  PQclear( result ) ;
  
  return retval ;
}

/******************************************************************
  Lookup a name in the SAM database
 ******************************************************************/

static NTSTATUS pgsqlsam_getsampwnam ( struct pdb_methods *methods, SAM_ACCOUNT *user, const char *sname )
{
  struct pdb_pgsql_data *data;
  
  SET_DATA(data, methods);
  
  if ( !sname )
  {
    DEBUG( 0, ("invalid name specified") ) ;
    return NT_STATUS_INVALID_PARAMETER;
  }
  
  return pgsqlsam_select_by_field( methods, user, SQL_SEARCH_USER_NAME, sname ) ;
}


/***************************************************************************
  Search by sid
 **************************************************************************/

static NTSTATUS pgsqlsam_getsampwsid ( struct pdb_methods *methods, SAM_ACCOUNT *user, const DOM_SID *sid )
{
  struct pdb_pgsql_data *data;
  fstring sid_str;
  
  SET_DATA( data, methods ) ;
  
  sid_to_string( sid_str, sid ) ;
  
  return pgsqlsam_select_by_field( methods, user, SQL_SEARCH_USER_SID, sid_str ) ;
}

/***************************************************************************
  Delete a SAM_ACCOUNT
 ****************************************************************************/

static NTSTATUS pgsqlsam_delete_sam_account( struct pdb_methods *methods, SAM_ACCOUNT *sam_pass )
{
  struct pdb_pgsql_data *data ;
  
  const char *sname = pdb_get_username( sam_pass ) ;
  char *esc ;
  char *query ;
  
  PGresult *result ;
  NTSTATUS retval ;
  
  SET_DATA(data, methods);
  
  if ( !sname )
  {
    DEBUG( 0, ("invalid name specified\n") ) ;
    return NT_STATUS_INVALID_PARAMETER ;
  }
  
  /* Escape sname */
  esc = malloc(strlen(sname) * 2 + 1);
  if ( !esc )
  {
    DEBUG(0, ("Can't allocate memory to store escaped name\n"));
    return NT_STATUS_NO_MEMORY;
  }
  
  PQescapeString( esc, sname, strlen(sname) ) ;
  
  query = sql_account_query_delete(data->location, esc);
  
  /* Do it */
  result = PQexec( data->handle, query ) ;
  
  if ( result == NULL )
  {
    DEBUG( 0, ("Error executing %s, %s\n", query, PQerrorMessage( data->handle ) ) ) ;
    retval = NT_STATUS_UNSUCCESSFUL ;
  }
  else if ( PQresultStatus( result ) != PGRES_COMMAND_OK )
  {
    DEBUG( 0, ("Error executing %s, %s\n", query, PQresultErrorMessage( result ) ) ) ;
    retval = NT_STATUS_UNSUCCESSFUL ;
  }
  else
  {
    DEBUG( 5, ("User '%s' deleted\n", sname) ) ;
    retval = NT_STATUS_OK ;
  }
  
  SAFE_FREE( esc ) ;
  SAFE_FREE( query ) ;
  
  return retval ;
}

static NTSTATUS pgsqlsam_replace_sam_account( struct pdb_methods *methods, const SAM_ACCOUNT *newpwd, char isupdate )
{
  struct pdb_pgsql_data *data ;
  char *query;
  PGresult *result ;
  
  if ( !methods )
  {
    DEBUG( 0, ("invalid methods!\n") ) ;
    return NT_STATUS_INVALID_PARAMETER ;
  }
  
  data = (struct pdb_pgsql_data *) methods->private_data ;
  
  if ( data == NULL || data->handle == NULL )
  {
    DEBUG( 0, ("invalid handle!\n") ) ;
    return NT_STATUS_INVALID_HANDLE ;
  }

  query = sql_account_query_update(data->location, newpwd, isupdate);

  result = PQexec( data->handle, query ) ;

  
  /* Execute the query */
  if ( result == NULL )
  {
    DEBUG( 0, ("Error executing %s, %s\n", query, PQerrorMessage( data->handle ) ) ) ;
    return NT_STATUS_INVALID_PARAMETER;
  }
  else if ( PQresultStatus( result ) != PGRES_COMMAND_OK )
  {
    DEBUG( 0, ("Error executing %s, %s\n", query, PQresultErrorMessage( result ) ) ) ;
    return NT_STATUS_INVALID_PARAMETER;
  }
  SAFE_FREE(query);
  
  return NT_STATUS_OK;
}

static NTSTATUS pgsqlsam_add_sam_account ( struct pdb_methods *methods, SAM_ACCOUNT *newpwd )
{
  return pgsqlsam_replace_sam_account( methods, newpwd, 0 ) ;
}

static NTSTATUS pgsqlsam_update_sam_account ( struct pdb_methods *methods, SAM_ACCOUNT *newpwd )
{
  return pgsqlsam_replace_sam_account( methods, newpwd, 1 ) ;
}

static NTSTATUS pgsqlsam_init ( struct pdb_context *pdb_context, struct pdb_methods **pdb_method, const char *location )
{
  NTSTATUS nt_status ;
  struct pdb_pgsql_data *data ;
  
  if ( !pdb_context )
  {
    DEBUG( 0, ("invalid pdb_methods specified\n") ) ;
    return NT_STATUS_UNSUCCESSFUL;
  }
  
  if (!NT_STATUS_IS_OK
    (nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
    return nt_status;
  }
  
  (*pdb_method)->name               = "pgsqlsam" ;
  
  (*pdb_method)->setsampwent        = pgsqlsam_setsampwent ;
  (*pdb_method)->endsampwent        = pgsqlsam_endsampwent ;
  (*pdb_method)->getsampwent        = pgsqlsam_getsampwent ;
  (*pdb_method)->getsampwnam        = pgsqlsam_getsampwnam ;
  (*pdb_method)->getsampwsid        = pgsqlsam_getsampwsid ;
  (*pdb_method)->add_sam_account    = pgsqlsam_add_sam_account ;
  (*pdb_method)->update_sam_account = pgsqlsam_update_sam_account ;
  (*pdb_method)->delete_sam_account = pgsqlsam_delete_sam_account ;
  
  data = talloc( pdb_context->mem_ctx, sizeof( struct pdb_pgsql_data ) ) ;
  (*pdb_method)->private_data = data ;
  data->handle = NULL ;
  data->pwent  = NULL ;

  if ( !location )
  {
    DEBUG( 0, ("No identifier specified. Check the Samba HOWTO Collection for details\n") ) ;
    return NT_STATUS_INVALID_PARAMETER;
  }
  
  data->location = smb_xstrdup( location ) ;

  if(!sql_account_config_valid(data->location)) {
	  return NT_STATUS_INVALID_PARAMETER;
  }
  
  DEBUG
  (
    1, 
    (
      "Connecting to database server, host: %s, user: %s, password: XXXXXX, database: %s, port: %s\n",
      config_value( data, "pgsql host"    , CONFIG_HOST_DEFAULT ),
      config_value( data, "pgsql user"    , CONFIG_USER_DEFAULT ),
      config_value( data, "pgsql database", CONFIG_DB_DEFAULT   ),
      config_value( data, "pgsql port"    , CONFIG_PORT_DEFAULT )
    )
  ) ;
  
  /* Do the pgsql initialization */
  data->handle = PQsetdbLogin( 
                                config_value( data, "pgsql host"    , CONFIG_HOST_DEFAULT ),
                                config_value( data, "pgsql port"    , CONFIG_PORT_DEFAULT ),
                                NULL,
                                NULL,
                                config_value( data, "pgsql database", CONFIG_DB_DEFAULT   ),
                                config_value( data, "pgsql user"    , CONFIG_USER_DEFAULT ),
                                config_value( data, "pgsql password", CONFIG_PASS_DEFAULT )
                             ) ;
  
  if ( PQstatus( data->handle ) != CONNECTION_OK )
  {
    DEBUG( 0, ("Failed to connect to pgsql database: error: %s\n", PQerrorMessage( data->handle )) ) ;
    return NT_STATUS_UNSUCCESSFUL;
  }
  
  DEBUG( 5, ("Connected to pgsql database\n") ) ;
  return NT_STATUS_OK;
}

NTSTATUS pdb_pgsql_init(void) 
{
  return smb_register_passdb( PASSDB_INTERFACE_VERSION, "pgsql", pgsqlsam_init ) ;
}