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1. The most part of this patch changed the unknown_3 flag to the now known
[Samba/nascimento.git] / source / passdb / pdb_sql.c
blobd3e8b90a85d063510456a1a0ea9219f2435c9537
1 /*
2 * Common PDB SQL backend functions
3 * Copyright (C) Jelmer Vernooij 2003-2004
4 *
5 * This program is free software; you can redistribute it and/or modify it under
6 * the terms of the GNU General Public License as published by the Free
7 * Software Foundation; either version 2 of the License, or (at your option)
8 * any later version.
9 *
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
14 *
15 * You should have received a copy of the GNU General Public License along with
16 * this program; if not, write to the Free Software Foundation, Inc., 675
17 * Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20 #include "includes.h"
21
22 #define CONFIG_TABLE_DEFAULT "user"
23 #define CONFIG_LOGON_TIME_DEFAULT "logon_time"
24 #define CONFIG_LOGOFF_TIME_DEFAULT "logoff_time"
25 #define CONFIG_KICKOFF_TIME_DEFAULT "kickoff_time"
26 #define CONFIG_PASS_LAST_SET_TIME_DEFAULT "pass_last_set_time"
27 #define CONFIG_PASS_CAN_CHANGE_TIME_DEFAULT "pass_can_change_time"
28 #define CONFIG_PASS_MUST_CHANGE_TIME_DEFAULT "pass_must_change_time"
29 #define CONFIG_USERNAME_DEFAULT "username"
30 #define CONFIG_DOMAIN_DEFAULT "domain"
31 #define CONFIG_NT_USERNAME_DEFAULT "nt_username"
32 #define CONFIG_FULLNAME_DEFAULT "nt_fullname"
33 #define CONFIG_HOME_DIR_DEFAULT "home_dir"
34 #define CONFIG_DIR_DRIVE_DEFAULT "dir_drive"
35 #define CONFIG_LOGON_SCRIPT_DEFAULT "logon_script"
36 #define CONFIG_PROFILE_PATH_DEFAULT "profile_path"
37 #define CONFIG_ACCT_DESC_DEFAULT "acct_desc"
38 #define CONFIG_WORKSTATIONS_DEFAULT "workstations"
39 #define CONFIG_UNKNOWN_STR_DEFAULT "unknown_str"
40 #define CONFIG_MUNGED_DIAL_DEFAULT "munged_dial"
41 #define CONFIG_USER_SID_DEFAULT "user_sid"
42 #define CONFIG_GROUP_SID_DEFAULT "group_sid"
43 #define CONFIG_LM_PW_DEFAULT "lm_pw"
44 #define CONFIG_NT_PW_DEFAULT "nt_pw"
45 #define CONFIG_PLAIN_PW_DEFAULT "NULL"
46 #define CONFIG_ACCT_CTRL_DEFAULT "acct_ctrl"
47 #define CONFIG_LOGON_DIVS_DEFAULT "logon_divs"
48 #define CONFIG_HOURS_LEN_DEFAULT "hours_len"
49 #define CONFIG_BAD_PASSWORD_COUNT_DEFAULT "bad_password_count"
50 #define CONFIG_LOGON_COUNT_DEFAULT "logon_count"
51 #define CONFIG_UNKNOWN_6_DEFAULT "unknown_6"
52
53 /* Used to construct insert and update queries */
54
55 typedef struct pdb_sql_query {
56 char update;
57 TALLOC_CTX *mem_ctx;
58 char *part1;
59 char *part2;
60 } pdb_sql_query;
61
62 static void pdb_sql_int_field(struct pdb_sql_query *q, const char *name, int value)
63 {
64 if (!name || strchr(name, '\''))
65 return; /* This field shouldn't be set by us */
66
67 if (q->update) {
68 q->part1 =
69 talloc_asprintf_append(q->mem_ctx, q->part1,
70 "%s = %d,", name, value);
71 } else {
72 q->part1 =
73 talloc_asprintf_append(q->mem_ctx, q->part1, "%s,", name);
74 q->part2 =
75 talloc_asprintf_append(q->mem_ctx, q->part2, "%d,", value);
76 }
77 }
78
79 char *sql_escape_string(const char *unesc)
80 {
81 char *esc = malloc(strlen(unesc) * 2 + 3);
82 size_t pos_unesc = 0, pos_esc = 0;
83
84 for(pos_unesc = 0; unesc[pos_unesc]; pos_unesc++) {
85 switch(unesc[pos_unesc]) {
86 case '\\':
87 case '\'':
88 case '"':
89 esc[pos_esc] = '\\'; pos_esc++;
90 default:
91 esc[pos_esc] = unesc[pos_unesc]; pos_esc++;
92 break;
93 }
94 }
95
96 esc[pos_esc] = '\0';
97
98 return esc;
99 }
100
101 static NTSTATUS pdb_sql_string_field(struct pdb_sql_query *q,
102 const char *name, const char *value)
103 {
104 char *esc_value;
105
106 if (!name || !value || !strcmp(value, "") || strchr(name, '\''))
107 return NT_STATUS_INVALID_PARAMETER; /* This field shouldn't be set by module */
108
109 esc_value = sql_escape_string(value);
110
111 if (q->update) {
112 q->part1 =
113 talloc_asprintf_append(q->mem_ctx, q->part1,
114 "%s = '%s',", name, esc_value);
115 } else {
116 q->part1 =
117 talloc_asprintf_append(q->mem_ctx, q->part1, "%s,", name);
118 q->part2 =
119 talloc_asprintf_append(q->mem_ctx, q->part2, "'%s',",
120 esc_value);
121 }
122
123 SAFE_FREE(esc_value);
124
125 return NT_STATUS_OK;
126 }
127
128 #define config_value(data,name,default_value) \
129 lp_parm_const_string(GLOBAL_SECTION_SNUM, data, name, default_value)
130
131 static const char * config_value_write(const char *location, const char *name, const char *default_value)
132 {
133 char const *v = NULL;
134 char const *swrite = NULL;
135
136 v = lp_parm_const_string(GLOBAL_SECTION_SNUM, location, name, default_value);
137
138 if (!v)
139 return NULL;
140
141 swrite = strrchr(v, ':');
142
143 /* Default to the same field as read field */
144 if (!swrite)
145 return v;
146
147 swrite++;
148
149 /* If the field is 0 chars long, we shouldn't write to it */
150 if (!strlen(swrite) || !strcmp(swrite, "NULL"))
151 return NULL;
152
153 /* Otherwise, use the additionally specified */
154 return swrite;
155 }
156
157 static const char * config_value_read(const char *location, const char *name, const char *default_value)
158 {
159 char *v = NULL;
160 char *swrite;
161
162 v = lp_parm_talloc_string(GLOBAL_SECTION_SNUM, location, name, default_value);
163
164 if (!v)
165 return "NULL";
166
167 swrite = strrchr(v, ':');
168
169 /* If no write is specified, there are no problems */
170 if (!swrite) {
171 if (strlen(v) == 0)
172 return "NULL";
173 return (const char *)v;
174 }
175
176 /* Otherwise, we have to cut the ':write_part' */
177 *swrite = '\0';
178 if (strlen(v) == 0)
179 return "NULL";
180
181 return (const char *)v;
182 }
183
184 char *sql_account_query_select(const char *data, BOOL update, enum sql_search_field field, const char *value)
185 {
186 const char *field_string;
187 char *query;
188
189 switch(field) {
190 case SQL_SEARCH_NONE:
191 field_string = "'1'";
192 value = "1";
193 break;
194
195 case SQL_SEARCH_USER_SID:
196 field_string = config_value_read(data, "user sid column",
197 CONFIG_USER_SID_DEFAULT);
198 break;
199
200 case SQL_SEARCH_USER_NAME:
201 field_string = config_value_read(data, "username column",
202 CONFIG_USERNAME_DEFAULT);
203 break;
204 }
205
206 asprintf(&query,
207 "SELECT %s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s FROM %s WHERE %s = '%s'",
208 config_value_read(data, "logon time column",
209 CONFIG_LOGON_TIME_DEFAULT),
210 config_value_read(data, "logoff time column",
211 CONFIG_LOGOFF_TIME_DEFAULT),
212 config_value_read(data, "kickoff time column",
213 CONFIG_KICKOFF_TIME_DEFAULT),
214 config_value_read(data, "pass last set time column",
215 CONFIG_PASS_LAST_SET_TIME_DEFAULT),
216 config_value_read(data, "pass can change time column",
217 CONFIG_PASS_CAN_CHANGE_TIME_DEFAULT),
218 config_value_read(data, "pass must change time column",
219 CONFIG_PASS_MUST_CHANGE_TIME_DEFAULT),
220 config_value_read(data, "username column",
221 CONFIG_USERNAME_DEFAULT),
222 config_value_read(data, "domain column",
223 CONFIG_DOMAIN_DEFAULT),
224 config_value_read(data, "nt username column",
225 CONFIG_NT_USERNAME_DEFAULT),
226 config_value_read(data, "fullname column",
227 CONFIG_FULLNAME_DEFAULT),
228 config_value_read(data, "home dir column",
229 CONFIG_HOME_DIR_DEFAULT),
230 config_value_read(data, "dir drive column",
231 CONFIG_DIR_DRIVE_DEFAULT),
232 config_value_read(data, "logon script column",
233 CONFIG_LOGON_SCRIPT_DEFAULT),
234 config_value_read(data, "profile path column",
235 CONFIG_PROFILE_PATH_DEFAULT),
236 config_value_read(data, "acct desc column",
237 CONFIG_ACCT_DESC_DEFAULT),
238 config_value_read(data, "workstations column",
239 CONFIG_WORKSTATIONS_DEFAULT),
240 config_value_read(data, "unknown string column",
241 CONFIG_UNKNOWN_STR_DEFAULT),
242 config_value_read(data, "munged dial column",
243 CONFIG_MUNGED_DIAL_DEFAULT),
244 config_value_read(data, "user sid column",
245 CONFIG_USER_SID_DEFAULT),
246 config_value_read(data, "group sid column",
247 CONFIG_GROUP_SID_DEFAULT),
248 config_value_read(data, "lanman pass column",
249 CONFIG_LM_PW_DEFAULT),
250 config_value_read(data, "nt pass column",
251 CONFIG_NT_PW_DEFAULT),
252 config_value_read(data, "plain pass column",
253 CONFIG_PLAIN_PW_DEFAULT),
254 config_value_read(data, "acct ctrl column",
255 CONFIG_ACCT_CTRL_DEFAULT),
256 config_value_read(data, "logon divs column",
257 CONFIG_LOGON_DIVS_DEFAULT),
258 config_value_read(data, "hours len column",
259 CONFIG_HOURS_LEN_DEFAULT),
260 config_value_read(data, "bad password count column",
261 CONFIG_BAD_PASSWORD_COUNT_DEFAULT),
262 config_value_read(data, "logon count column",
263 CONFIG_LOGON_COUNT_DEFAULT),
264 config_value_read(data, "unknown 6 column",
265 CONFIG_UNKNOWN_6_DEFAULT),
266 config_value(data, "table", CONFIG_TABLE_DEFAULT),
267 field_string, value
268 );
269 return query;
270 }
271
272 char *sql_account_query_delete(const char *data, const char *esc)
273 {
274 char *query;
275
276 asprintf(&query, "DELETE FROM %s WHERE %s = '%s'",
277 config_value(data, "table", CONFIG_TABLE_DEFAULT),
278 config_value_read(data, "username column",
279 CONFIG_USERNAME_DEFAULT), esc);
280 return query;
281 }
282
283 char *sql_account_query_update(const char *location, const SAM_ACCOUNT *newpwd, char isupdate)
284 {
285 char *ret;
286 pstring temp;
287 pdb_sql_query query;
288 fstring sid_str;
289
290 query.update = isupdate;
291
292 /* I know this is somewhat overkill but only the talloc
293 * functions have asprint_append and the 'normal' asprintf
294 * is a GNU extension */
295 query.mem_ctx = talloc_init("sql_query_update");
296 query.part2 = talloc_asprintf(query.mem_ctx, "%s", "");
297 if (query.update) {
298 query.part1 =
299 talloc_asprintf(query.mem_ctx, "UPDATE %s SET ",
300 config_value(location, "table",
301 CONFIG_TABLE_DEFAULT));
302 } else {
303 query.part1 =
304 talloc_asprintf(query.mem_ctx, "INSERT INTO %s (",
305 config_value(location, "table",
306 CONFIG_TABLE_DEFAULT));
307 }
308
309 pdb_sql_int_field(&query,
310 config_value_write(location, "acct ctrl column",
311 CONFIG_ACCT_CTRL_DEFAULT),
312 pdb_get_acct_ctrl(newpwd));
313
314 if (pdb_get_init_flags(newpwd, PDB_LOGONTIME) != PDB_DEFAULT) {
315 pdb_sql_int_field(&query,
316 config_value_write(location,
317 "logon time column",
318 CONFIG_LOGON_TIME_DEFAULT),
319 pdb_get_logon_time(newpwd));
320 }
321
322 if (pdb_get_init_flags(newpwd, PDB_LOGOFFTIME) != PDB_DEFAULT) {
323 pdb_sql_int_field(&query,
324 config_value_write(location,
325 "logoff time column",
326 CONFIG_LOGOFF_TIME_DEFAULT),
327 pdb_get_logoff_time(newpwd));
328 }
329
330 if (pdb_get_init_flags(newpwd, PDB_KICKOFFTIME) != PDB_DEFAULT) {
331 pdb_sql_int_field(&query,
332 config_value_write(location,
333 "kickoff time column",
334 CONFIG_KICKOFF_TIME_DEFAULT),
335 pdb_get_kickoff_time(newpwd));
336 }
337
338 if (pdb_get_init_flags(newpwd, PDB_CANCHANGETIME) != PDB_DEFAULT) {
339 pdb_sql_int_field(&query,
340 config_value_write(location,
341 "pass can change time column",
342 CONFIG_PASS_CAN_CHANGE_TIME_DEFAULT),
343 pdb_get_pass_can_change_time(newpwd));
344 }
345
346 if (pdb_get_init_flags(newpwd, PDB_MUSTCHANGETIME) != PDB_DEFAULT) {
347 pdb_sql_int_field(&query,
348 config_value_write(location,
349 "pass must change time column",
350 CONFIG_PASS_MUST_CHANGE_TIME_DEFAULT),
351 pdb_get_pass_must_change_time(newpwd));
352 }
353
354 if (pdb_get_pass_last_set_time(newpwd)) {
355 pdb_sql_int_field(&query,
356 config_value_write(location,
357 "pass last set time column",
358 CONFIG_PASS_LAST_SET_TIME_DEFAULT),
359 pdb_get_pass_last_set_time(newpwd));
360 }
361
362 if (pdb_get_hours_len(newpwd)) {
363 pdb_sql_int_field(&query,
364 config_value_write(location,
365 "hours len column",
366 CONFIG_HOURS_LEN_DEFAULT),
367 pdb_get_hours_len(newpwd));
368 }
369
370 if (pdb_get_logon_divs(newpwd)) {
371 pdb_sql_int_field(&query,
372 config_value_write(location,
373 "logon divs column",
374 CONFIG_LOGON_DIVS_DEFAULT),
375 pdb_get_logon_divs(newpwd));
376 }
377
378 pdb_sql_string_field(&query,
379 config_value_write(location, "user sid column",
380 CONFIG_USER_SID_DEFAULT),
381 sid_to_string(sid_str,
382 pdb_get_user_sid(newpwd)));
383
384 pdb_sql_string_field(&query,
385 config_value_write(location, "group sid column",
386 CONFIG_GROUP_SID_DEFAULT),
387 sid_to_string(sid_str,
388 pdb_get_group_sid(newpwd)));
389
390 pdb_sql_string_field(&query,
391 config_value_write(location, "username column",
392 CONFIG_USERNAME_DEFAULT),
393 pdb_get_username(newpwd));
394
395 pdb_sql_string_field(&query,
396 config_value_write(location, "domain column",
397 CONFIG_DOMAIN_DEFAULT),
398 pdb_get_domain(newpwd));
399
400 pdb_sql_string_field(&query,
401 config_value_write(location,
402 "nt username column",
403 CONFIG_NT_USERNAME_DEFAULT),
404 pdb_get_nt_username(newpwd));
405
406 pdb_sql_string_field(&query,
407 config_value_write(location, "fullname column",
408 CONFIG_FULLNAME_DEFAULT),
409 pdb_get_fullname(newpwd));
410
411 pdb_sql_string_field(&query,
412 config_value_write(location,
413 "logon script column",
414 CONFIG_LOGON_SCRIPT_DEFAULT),
415 pdb_get_logon_script(newpwd));
416
417 pdb_sql_string_field(&query,
418 config_value_write(location,
419 "profile path column",
420 CONFIG_PROFILE_PATH_DEFAULT),
421 pdb_get_profile_path(newpwd));
422
423 pdb_sql_string_field(&query,
424 config_value_write(location, "dir drive column",
425 CONFIG_DIR_DRIVE_DEFAULT),
426 pdb_get_dir_drive(newpwd));
427
428 pdb_sql_string_field(&query,
429 config_value_write(location, "home dir column",
430 CONFIG_HOME_DIR_DEFAULT),
431 pdb_get_homedir(newpwd));
432
433 pdb_sql_string_field(&query,
434 config_value_write(location,
435 "workstations column",
436 CONFIG_WORKSTATIONS_DEFAULT),
437 pdb_get_workstations(newpwd));
438
439 pdb_sql_string_field(&query,
440 config_value_write(location,
441 "unknown string column",
442 CONFIG_UNKNOWN_STR_DEFAULT),
443 pdb_get_workstations(newpwd));
444
445 pdb_sethexpwd(temp, pdb_get_lanman_passwd(newpwd),
446 pdb_get_acct_ctrl(newpwd));
447 pdb_sql_string_field(&query,
448 config_value_write(location,
449 "lanman pass column",
450 CONFIG_LM_PW_DEFAULT), temp);
451
452 pdb_sethexpwd(temp, pdb_get_nt_passwd(newpwd),
453 pdb_get_acct_ctrl(newpwd));
454 pdb_sql_string_field(&query,
455 config_value_write(location, "nt pass column",
456 CONFIG_NT_PW_DEFAULT), temp);
457
458 if (query.update) {
459 query.part1[strlen(query.part1) - 1] = '\0';
460 query.part1 =
461 talloc_asprintf_append(query.mem_ctx, query.part1,
462 " WHERE %s = '%s'",
463 config_value_read(location,
464 "user sid column",
465 CONFIG_USER_SID_DEFAULT),
466 sid_to_string(sid_str, pdb_get_user_sid (newpwd)));
467 } else {
468 query.part2[strlen(query.part2) - 1] = ')';
469 query.part1[strlen(query.part1) - 1] = ')';
470 query.part1 =
471 talloc_asprintf_append(query.mem_ctx, query.part1,
472 " VALUES (%s", query.part2);
473 }
474
475 ret = strdup(query.part1);
476 talloc_destroy(query.mem_ctx);
477 return ret;
478 }
479
480 BOOL sql_account_config_valid(const char *data)
481 {
482 const char *sid_column, *username_column;
483
484 sid_column = config_value_read(data, "user sid column", CONFIG_USER_SID_DEFAULT);
485 username_column = config_value_read(data, "username column", CONFIG_USERNAME_DEFAULT);
486
487 if(!strcmp(sid_column,"NULL") || !strcmp(username_column, "NULL")) {
488 DEBUG(0,("Please specify both a valid 'user sid column' and a valid 'username column' in smb.conf\n"));
489 return False;
490 }
491
492 return True;
493 }