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Add bad password count/time attributes
[Samba/ekacnet.git] / source3 / lib / smbldap.c
blobe122acd188df65ffedd22b57b768f7aa10f7a5ac
1 /*
2 Unix SMB/CIFS mplementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23
24 */
25
26 #include "includes.h"
27 #include "smbldap.h"
28
29 #ifndef LDAP_OPT_SUCCESS
30 #define LDAP_OPT_SUCCESS 0
31 #endif
32
33 /* Try not to hit the up or down server forever */
34
35 #define SMBLDAP_DONT_PING_TIME 10 /* ping only all 10 seconds */
36 #define SMBLDAP_NUM_RETRIES 8 /* retry only 8 times */
37
38 #define SMBLDAP_IDLE_TIME 150 /* After 2.5 minutes disconnect */
39
40
41 /* attributes used by Samba 2.2 */
42
43 ATTRIB_MAP_ENTRY attrib_map_v22[] = {
44 { LDAP_ATTR_UID, "uid" },
45 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
46 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
47 { LDAP_ATTR_UNIX_HOME, "homeDirectory" },
48 { LDAP_ATTR_PWD_LAST_SET, "pwdLastSet" },
49 { LDAP_ATTR_PWD_CAN_CHANGE, "pwdCanChange" },
50 { LDAP_ATTR_PWD_MUST_CHANGE, "pwdMustChange" },
51 { LDAP_ATTR_LOGON_TIME, "logonTime" },
52 { LDAP_ATTR_LOGOFF_TIME, "logoffTime" },
53 { LDAP_ATTR_KICKOFF_TIME, "kickoffTime" },
54 { LDAP_ATTR_CN, "cn" },
55 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
56 { LDAP_ATTR_HOME_PATH, "smbHome" },
57 { LDAP_ATTR_HOME_DRIVE, "homeDrives" },
58 { LDAP_ATTR_LOGON_SCRIPT, "scriptPath" },
59 { LDAP_ATTR_PROFILE_PATH, "profilePath" },
60 { LDAP_ATTR_DESC, "description" },
61 { LDAP_ATTR_USER_WKS, "userWorkstations"},
62 { LDAP_ATTR_USER_RID, "rid" },
63 { LDAP_ATTR_PRIMARY_GROUP_RID, "primaryGroupID"},
64 { LDAP_ATTR_LMPW, "lmPassword" },
65 { LDAP_ATTR_NTPW, "ntPassword" },
66 { LDAP_ATTR_DOMAIN, "domain" },
67 { LDAP_ATTR_OBJCLASS, "objectClass" },
68 { LDAP_ATTR_ACB_INFO, "acctFlags" },
69 { LDAP_ATTR_LIST_END, NULL }
70 };
71
72 /* attributes used by Samba 3.0's sambaSamAccount */
73
74 ATTRIB_MAP_ENTRY attrib_map_v30[] = {
75 { LDAP_ATTR_UID, "uid" },
76 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
77 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
78 { LDAP_ATTR_UNIX_HOME, "homeDirectory" },
79 { LDAP_ATTR_PWD_LAST_SET, "sambaPwdLastSet" },
80 { LDAP_ATTR_PWD_CAN_CHANGE, "sambaPwdCanChange" },
81 { LDAP_ATTR_PWD_MUST_CHANGE, "sambaPwdMustChange" },
82 { LDAP_ATTR_LOGON_TIME, "sambaLogonTime" },
83 { LDAP_ATTR_LOGOFF_TIME, "sambaLogoffTime" },
84 { LDAP_ATTR_KICKOFF_TIME, "sambaKickoffTime" },
85 { LDAP_ATTR_CN, "cn" },
86 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
87 { LDAP_ATTR_HOME_DRIVE, "sambaHomeDrive" },
88 { LDAP_ATTR_HOME_PATH, "sambaHomePath" },
89 { LDAP_ATTR_LOGON_SCRIPT, "sambaLogonScript" },
90 { LDAP_ATTR_PROFILE_PATH, "sambaProfilePath" },
91 { LDAP_ATTR_DESC, "description" },
92 { LDAP_ATTR_USER_WKS, "sambaUserWorkstations" },
93 { LDAP_ATTR_USER_SID, LDAP_ATTRIBUTE_SID },
94 { LDAP_ATTR_PRIMARY_GROUP_SID, "sambaPrimaryGroupSID" },
95 { LDAP_ATTR_LMPW, "sambaLMPassword" },
96 { LDAP_ATTR_NTPW, "sambaNTPassword" },
97 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
98 { LDAP_ATTR_OBJCLASS, "objectClass" },
99 { LDAP_ATTR_ACB_INFO, "sambaAcctFlags" },
100 { LDAP_ATTR_MUNGED_DIAL, "sambaMungedDial" },
101 { LDAP_ATTR_BAD_PASSWORD_COUNT, "sambaBadPasswordCount" },
102 { LDAP_ATTR_BAD_PASSWORD_TIME, "sambaBadPasswordTime" },
103 { LDAP_ATTR_LIST_END, NULL }
104 };
105
106 /* attributes used for alalocating RIDs */
107
108 ATTRIB_MAP_ENTRY dominfo_attr_list[] = {
109 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
110 { LDAP_ATTR_NEXT_RID, "sambaNextRid" },
111 { LDAP_ATTR_NEXT_USERRID, "sambaNextUserRid" },
112 { LDAP_ATTR_NEXT_GROUPRID, "sambaNextGroupRid" },
113 { LDAP_ATTR_DOM_SID, LDAP_ATTRIBUTE_SID },
114 { LDAP_ATTR_ALGORITHMIC_RID_BASE,"sambaAlgorithmicRidBase"},
115 { LDAP_ATTR_OBJCLASS, "objectClass" },
116 { LDAP_ATTR_LIST_END, NULL },
117 };
118
119 /* Samba 3.0 group mapping attributes */
120
121 ATTRIB_MAP_ENTRY groupmap_attr_list[] = {
122 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
123 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
124 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
125 { LDAP_ATTR_DESC, "description" },
126 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
127 { LDAP_ATTR_CN, "cn" },
128 { LDAP_ATTR_OBJCLASS, "objectClass" },
129 { LDAP_ATTR_LIST_END, NULL }
130 };
131
132 ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete[] = {
133 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
134 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
135 { LDAP_ATTR_DESC, "description" },
136 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
137 { LDAP_ATTR_LIST_END, NULL }
138 };
139
140 /* idmap_ldap sambaUnixIdPool */
141
142 ATTRIB_MAP_ENTRY idpool_attr_list[] = {
143 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
144 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
145 { LDAP_ATTR_OBJCLASS, "objectClass" },
146 { LDAP_ATTR_LIST_END, NULL }
147 };
148
149 ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
150 { LDAP_ATTR_SID, LDAP_ATTRIBUTE_SID },
151 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
152 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
153 { LDAP_ATTR_OBJCLASS, "objectClass" },
154 { LDAP_ATTR_LIST_END, NULL }
155 };
156
157 /**********************************************************************
158 perform a simple table lookup and return the attribute name
159 **********************************************************************/
160
161 const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key )
162 {
163 int i = 0;
164
165 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
166 if ( table[i].attrib == key )
167 return table[i].name;
168 i++;
169 }
170
171 return NULL;
172 }
173
174
175 /**********************************************************************
176 Return the list of attribute names from a mapping table
177 **********************************************************************/
178
179 char** get_attr_list( ATTRIB_MAP_ENTRY table[] )
180 {
181 char **names;
182 int i = 0;
183
184 while ( table[i].attrib != LDAP_ATTR_LIST_END )
185 i++;
186 i++;
187
188 names = (char**)malloc( sizeof(char*)*i );
189 if ( !names ) {
190 DEBUG(0,("get_attr_list: out of memory\n"));
191 return NULL;
192 }
193
194 i = 0;
195 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
196 names[i] = strdup( table[i].name );
197 i++;
198 }
199 names[i] = NULL;
200
201 return names;
202 }
203
204 /*********************************************************************
205 Cleanup
206 ********************************************************************/
207
208 void free_attr_list( char **list )
209 {
210 int i = 0;
211
212 if ( !list )
213 return;
214
215 while ( list[i] ) {
216 SAFE_FREE( list[i] );
217 i+=1;
218 }
219
220 SAFE_FREE( list );
221 }
222
223 /*******************************************************************
224 find the ldap password
225 ******************************************************************/
226 static BOOL fetch_ldap_pw(char **dn, char** pw)
227 {
228 char *key = NULL;
229 size_t size;
230
231 *dn = smb_xstrdup(lp_ldap_admin_dn());
232
233 if (asprintf(&key, "%s/%s", SECRETS_LDAP_BIND_PW, *dn) < 0) {
234 SAFE_FREE(*dn);
235 DEBUG(0, ("fetch_ldap_pw: asprintf failed!\n"));
236 }
237
238 *pw=secrets_fetch(key, &size);
239 SAFE_FREE(key);
240
241 if (!size) {
242 /* Upgrade 2.2 style entry */
243 char *p;
244 char* old_style_key = strdup(*dn);
245 char *data;
246 fstring old_style_pw;
247
248 if (!old_style_key) {
249 DEBUG(0, ("fetch_ldap_pw: strdup failed!\n"));
250 return False;
251 }
252
253 for (p=old_style_key; *p; p++)
254 if (*p == ',') *p = '/';
255
256 data=secrets_fetch(old_style_key, &size);
257 if (!size && size < sizeof(old_style_pw)) {
258 DEBUG(0,("fetch_ldap_pw: neither ldap secret retrieved!\n"));
259 SAFE_FREE(old_style_key);
260 SAFE_FREE(*dn);
261 return False;
262 }
263
264 size = MIN(size, sizeof(fstring)-1);
265 strncpy(old_style_pw, data, size);
266 old_style_pw[size] = 0;
267
268 SAFE_FREE(data);
269
270 if (!secrets_store_ldap_pw(*dn, old_style_pw)) {
271 DEBUG(0,("fetch_ldap_pw: ldap secret could not be upgraded!\n"));
272 SAFE_FREE(old_style_key);
273 SAFE_FREE(*dn);
274 return False;
275 }
276 if (!secrets_delete(old_style_key)) {
277 DEBUG(0,("fetch_ldap_pw: old ldap secret could not be deleted!\n"));
278 }
279
280 SAFE_FREE(old_style_key);
281
282 *pw = smb_xstrdup(old_style_pw);
283 }
284
285 return True;
286 }
287
288 /*******************************************************************
289 Search an attribute and return the first value found.
290 ******************************************************************/
291
292 BOOL smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
293 const char *attribute, pstring value)
294 {
295 char **values;
296
297 if ( !attribute )
298 return False;
299
300 value[0] = '\0';
301
302 if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) {
303 DEBUG (10, ("smbldap_get_single_attribute: [%s] = [<does not exist>]\n", attribute));
304
305 return False;
306 }
307
308 if (convert_string(CH_UTF8, CH_UNIX,values[0], -1, value, sizeof(pstring)) == (size_t)-1) {
309 DEBUG(1, ("smbldap_get_single_attribute: string conversion of [%s] = [%s] failed!\n",
310 attribute, values[0]));
311 ldap_value_free(values);
312 return False;
313 }
314
315 ldap_value_free(values);
316 #ifdef DEBUG_PASSWORDS
317 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n", attribute, value));
318 #endif
319 return True;
320 }
321
322 /************************************************************************
323 Routine to manage the LDAPMod structure array
324 manage memory used by the array, by each struct, and values
325 ***********************************************************************/
326
327 void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
328 {
329 LDAPMod **mods;
330 int i;
331 int j;
332
333 mods = *modlist;
334
335 /* sanity checks on the mod values */
336
337 if (attribute == NULL || *attribute == '\0')
338 return;
339 #if 0 /* commented out after discussion with abartlet. Do not reenable.
340 left here so other so re-add similar code --jerry */
341 if (value == NULL || *value == '\0')
342 return;
343 #endif
344
345 if (mods == NULL)
346 {
347 mods = (LDAPMod **) malloc(sizeof(LDAPMod *));
348 if (mods == NULL)
349 {
350 DEBUG(0, ("make_a_mod: out of memory!\n"));
351 return;
352 }
353 mods[0] = NULL;
354 }
355
356 for (i = 0; mods[i] != NULL; ++i) {
357 if (mods[i]->mod_op == modop && strequal(mods[i]->mod_type, attribute))
358 break;
359 }
360
361 if (mods[i] == NULL)
362 {
363 mods = (LDAPMod **) Realloc (mods, (i + 2) * sizeof (LDAPMod *));
364 if (mods == NULL)
365 {
366 DEBUG(0, ("make_a_mod: out of memory!\n"));
367 return;
368 }
369 mods[i] = (LDAPMod *) malloc(sizeof(LDAPMod));
370 if (mods[i] == NULL)
371 {
372 DEBUG(0, ("make_a_mod: out of memory!\n"));
373 return;
374 }
375 mods[i]->mod_op = modop;
376 mods[i]->mod_values = NULL;
377 mods[i]->mod_type = strdup(attribute);
378 mods[i + 1] = NULL;
379 }
380
381 if (value != NULL)
382 {
383 char *utf8_value = NULL;
384
385 j = 0;
386 if (mods[i]->mod_values != NULL) {
387 for (; mods[i]->mod_values[j] != NULL; j++);
388 }
389 mods[i]->mod_values = (char **)Realloc(mods[i]->mod_values,
390 (j + 2) * sizeof (char *));
391
392 if (mods[i]->mod_values == NULL) {
393 DEBUG (0, ("make_a_mod: Memory allocation failure!\n"));
394 return;
395 }
396
397 if (push_utf8_allocate(&utf8_value, value) == (size_t)-1) {
398 DEBUG (0, ("make_a_mod: String conversion failure!\n"));
399 return;
400 }
401
402 mods[i]->mod_values[j] = utf8_value;
403
404 mods[i]->mod_values[j + 1] = NULL;
405 }
406 *modlist = mods;
407 }
408
409 /**********************************************************************
410 Set attribute to newval in LDAP, regardless of what value the
411 attribute had in LDAP before.
412 *********************************************************************/
413
414 void smbldap_make_mod(LDAP *ldap_struct, LDAPMessage *existing,
415 LDAPMod ***mods,
416 const char *attribute, const char *newval)
417 {
418 pstring oldval;
419 BOOL existed;
420
421 if (existing != NULL) {
422 existed = smbldap_get_single_attribute(ldap_struct, existing, attribute, oldval);
423 } else {
424 existed = False;
425 *oldval = '\0';
426 }
427
428 /* all of our string attributes are case insensitive */
429
430 if (existed && newval && (StrCaseCmp(oldval, newval) == 0)) {
431
432 /* Believe it or not, but LDAP will deny a delete and
433 an add at the same time if the values are the
434 same... */
435 return;
436 }
437
438 if (existed) {
439 /* There has been no value before, so don't delete it.
440 * Here's a possible race: We might end up with
441 * duplicate attributes */
442 /* By deleting exactly the value we found in the entry this
443 * should be race-free in the sense that the LDAP-Server will
444 * deny the complete operation if somebody changed the
445 * attribute behind our back. */
446 /* This will also allow modifying single valued attributes
447 * in Novell NDS. In NDS you have to first remove attribute and then
448 * you could add new value */
449
450 smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, oldval);
451 }
452
453 /* Regardless of the real operation (add or modify)
454 we add the new value here. We rely on deleting
455 the old value, should it exist. */
456
457 if ((newval != NULL) && (strlen(newval) > 0)) {
458 smbldap_set_mod(mods, LDAP_MOD_ADD, attribute, newval);
459 }
460 }
461
462 /**********************************************************************
463 Some varients of the LDAP rebind code do not pass in the third 'arg'
464 pointer to a void*, so we try and work around it by assuming that the
465 value of the 'LDAP *' pointer is the same as the one we had passed in
466 **********************************************************************/
467
468 struct smbldap_state_lookup {
469 LDAP *ld;
470 struct smbldap_state *smbldap_state;
471 struct smbldap_state_lookup *prev, *next;
472 };
473
474 static struct smbldap_state_lookup *smbldap_state_lookup_list;
475
476 static struct smbldap_state *smbldap_find_state(LDAP *ld)
477 {
478 struct smbldap_state_lookup *t;
479
480 for (t = smbldap_state_lookup_list; t; t = t->next) {
481 if (t->ld == ld) {
482 return t->smbldap_state;
483 }
484 }
485 return NULL;
486 }
487
488 static void smbldap_delete_state(struct smbldap_state *smbldap_state)
489 {
490 struct smbldap_state_lookup *t;
491
492 for (t = smbldap_state_lookup_list; t; t = t->next) {
493 if (t->smbldap_state == smbldap_state) {
494 DLIST_REMOVE(smbldap_state_lookup_list, t);
495 SAFE_FREE(t);
496 return;
497 }
498 }
499 }
500
501 static void smbldap_store_state(LDAP *ld, struct smbldap_state *smbldap_state)
502 {
503 struct smbldap_state *tmp_ldap_state;
504 struct smbldap_state_lookup *t;
505 struct smbldap_state_lookup *tmp;
506
507 if ((tmp_ldap_state = smbldap_find_state(ld))) {
508 SMB_ASSERT(tmp_ldap_state == smbldap_state);
509 return;
510 }
511
512 t = smb_xmalloc(sizeof(*t));
513 ZERO_STRUCTP(t);
514
515 DLIST_ADD_END(smbldap_state_lookup_list, t, tmp);
516 t->ld = ld;
517 t->smbldap_state = smbldap_state;
518 }
519
520 /*******************************************************************
521 open a connection to the ldap server.
522 ******************************************************************/
523 static int smbldap_open_connection (struct smbldap_state *ldap_state)
524
525 {
526 int rc = LDAP_SUCCESS;
527 int version;
528 BOOL ldap_v3 = False;
529 LDAP **ldap_struct = &ldap_state->ldap_struct;
530
531 #ifdef HAVE_LDAP_INITIALIZE
532 DEBUG(10, ("smbldap_open_connection: %s\n", ldap_state->uri));
533
534 if ((rc = ldap_initialize(ldap_struct, ldap_state->uri)) != LDAP_SUCCESS) {
535 DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc)));
536 return rc;
537 }
538 #else
539
540 /* Parse the string manually */
541
542 {
543 int port = 0;
544 fstring protocol;
545 fstring host;
546 const char *p = ldap_state->uri;
547 SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254);
548
549 /* skip leading "URL:" (if any) */
550 if ( strnequal( p, "URL:", 4 ) ) {
551 p += 4;
552 }
553
554 sscanf(p, "%10[^:]://%254[^:/]:%d", protocol, host, &port);
555
556 if (port == 0) {
557 if (strequal(protocol, "ldap")) {
558 port = LDAP_PORT;
559 } else if (strequal(protocol, "ldaps")) {
560 port = LDAPS_PORT;
561 } else {
562 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol));
563 }
564 }
565
566 if ((*ldap_struct = ldap_init(host, port)) == NULL) {
567 DEBUG(0, ("ldap_init failed !\n"));
568 return LDAP_OPERATIONS_ERROR;
569 }
570
571 if (strequal(protocol, "ldaps")) {
572 #ifdef LDAP_OPT_X_TLS
573 int tls = LDAP_OPT_X_TLS_HARD;
574 if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
575 {
576 DEBUG(0, ("Failed to setup a TLS session\n"));
577 }
578
579 DEBUG(3,("LDAPS option set...!\n"));
580 #else
581 DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
582 return LDAP_OPERATIONS_ERROR;
583 #endif
584 }
585 }
586 #endif
587
588 /* Store the LDAP pointer in a lookup list */
589
590 smbldap_store_state(*ldap_struct, ldap_state);
591
592 /* Upgrade to LDAPv3 if possible */
593
594 if (ldap_get_option(*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS)
595 {
596 if (version != LDAP_VERSION3)
597 {
598 version = LDAP_VERSION3;
599 if (ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS) {
600 ldap_v3 = True;
601 }
602 } else {
603 ldap_v3 = True;
604 }
605 }
606
607 if (lp_ldap_ssl() == LDAP_SSL_START_TLS) {
608 #ifdef LDAP_OPT_X_TLS
609 if (ldap_v3) {
610 if ((rc = ldap_start_tls_s (*ldap_struct, NULL, NULL)) != LDAP_SUCCESS)
611 {
612 DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
613 ldap_err2string(rc)));
614 return rc;
615 }
616 DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
617 } else {
618
619 DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
620 return LDAP_OPERATIONS_ERROR;
621 }
622 #else
623 DEBUG(0,("smbldap_open_connection: StartTLS not supported by LDAP client libraries!\n"));
624 return LDAP_OPERATIONS_ERROR;
625 #endif
626 }
627
628 DEBUG(2, ("smbldap_open_connection: connection opened\n"));
629 return rc;
630 }
631
632
633 /*******************************************************************
634 a rebind function for authenticated referrals
635 This version takes a void* that we can shove useful stuff in :-)
636 ******************************************************************/
637 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
638 #else
639 static int rebindproc_with_state (LDAP * ld, char **whop, char **credp,
640 int *methodp, int freeit, void *arg)
641 {
642 struct smbldap_state *ldap_state = arg;
643
644 /** @TODO Should we be doing something to check what servers we rebind to?
645 Could we get a referral to a machine that we don't want to give our
646 username and password to? */
647
648 if (freeit) {
649 SAFE_FREE(*whop);
650 memset(*credp, '\0', strlen(*credp));
651 SAFE_FREE(*credp);
652 } else {
653 DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
654 ldap_state->bind_dn));
655
656 *whop = strdup(ldap_state->bind_dn);
657 if (!*whop) {
658 return LDAP_NO_MEMORY;
659 }
660 *credp = strdup(ldap_state->bind_secret);
661 if (!*credp) {
662 SAFE_FREE(*whop);
663 return LDAP_NO_MEMORY;
664 }
665 *methodp = LDAP_AUTH_SIMPLE;
666 }
667
668 gettimeofday(&(ldap_state->last_rebind),NULL);
669
670 return 0;
671 }
672 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
673
674 /*******************************************************************
675 a rebind function for authenticated referrals
676 This version takes a void* that we can shove useful stuff in :-)
677 and actually does the connection.
678 ******************************************************************/
679 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
680 static int rebindproc_connect_with_state (LDAP *ldap_struct,
681 LDAP_CONST char *url,
682 ber_tag_t request,
683 ber_int_t msgid, void *arg)
684 {
685 struct smbldap_state *ldap_state = arg;
686 int rc;
687 DEBUG(5,("rebindproc_connect_with_state: Rebinding as \"%s\"\n",
688 ldap_state->bind_dn));
689
690 /** @TODO Should we be doing something to check what servers we rebind to?
691 Could we get a referral to a machine that we don't want to give our
692 username and password to? */
693
694 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
695
696 gettimeofday(&(ldap_state->last_rebind),NULL);
697
698 return rc;
699 }
700 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
701
702 /*******************************************************************
703 Add a rebind function for authenticated referrals
704 ******************************************************************/
705 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
706 #else
707 # if LDAP_SET_REBIND_PROC_ARGS == 2
708 static int rebindproc (LDAP *ldap_struct, char **whop, char **credp,
709 int *method, int freeit )
710 {
711 struct smbldap_state *ldap_state = smbldap_find_state(ldap_struct);
712
713 return rebindproc_with_state(ldap_struct, whop, credp,
714 method, freeit, ldap_state);
715
716 }
717 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
718 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
719
720 /*******************************************************************
721 a rebind function for authenticated referrals
722 this also does the connection, but no void*.
723 ******************************************************************/
724 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
725 # if LDAP_SET_REBIND_PROC_ARGS == 2
726 static int rebindproc_connect (LDAP * ld, LDAP_CONST char *url, int request,
727 ber_int_t msgid)
728 {
729 struct smbldap_state *ldap_state = smbldap_find_state(ld);
730
731 return rebindproc_connect_with_state(ld, url, (ber_tag_t)request, msgid,
732 ldap_state);
733 }
734 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
735 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
736
737 /*******************************************************************
738 connect to the ldap server under system privilege.
739 ******************************************************************/
740 static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_struct)
741 {
742 int rc;
743 char *ldap_dn;
744 char *ldap_secret;
745
746 /* get the password */
747 if (!fetch_ldap_pw(&ldap_dn, &ldap_secret))
748 {
749 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
750 return LDAP_INVALID_CREDENTIALS;
751 }
752
753 ldap_state->bind_dn = ldap_dn;
754 ldap_state->bind_secret = ldap_secret;
755
756 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
757 (OpenLDAP) doesnt' seem to support it */
758
759 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
760 ldap_state->uri, ldap_dn));
761
762 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
763 # if LDAP_SET_REBIND_PROC_ARGS == 2
764 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect);
765 # endif
766 # if LDAP_SET_REBIND_PROC_ARGS == 3
767 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state);
768 # endif
769 #else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
770 # if LDAP_SET_REBIND_PROC_ARGS == 2
771 ldap_set_rebind_proc(ldap_struct, &rebindproc);
772 # endif
773 # if LDAP_SET_REBIND_PROC_ARGS == 3
774 ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state);
775 # endif
776 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
777
778 rc = ldap_simple_bind_s(ldap_struct, ldap_dn, ldap_secret);
779
780 if (rc != LDAP_SUCCESS) {
781 char *ld_error = NULL;
782 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
783 &ld_error);
784 DEBUG(ldap_state->num_failures ? 2 : 0,
785 ("failed to bind to server with dn= %s Error: %s\n\t%s\n",
786 ldap_dn ? ldap_dn : "(unknown)", ldap_err2string(rc),
787 ld_error ? ld_error : "(unknown)"));
788 SAFE_FREE(ld_error);
789 ldap_state->num_failures++;
790 return rc;
791 }
792
793 ldap_state->num_failures = 0;
794
795 DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n"));
796 return rc;
797 }
798
799 /**********************************************************************
800 Connect to LDAP server (called before every ldap operation)
801 *********************************************************************/
802 static int smbldap_open(struct smbldap_state *ldap_state)
803 {
804 int rc;
805 SMB_ASSERT(ldap_state);
806
807 #ifndef NO_LDAP_SECURITY
808 if (geteuid() != 0) {
809 DEBUG(0, ("smbldap_open: cannot access LDAP when not root..\n"));
810 return LDAP_INSUFFICIENT_ACCESS;
811 }
812 #endif
813
814 if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
815 struct sockaddr_un addr;
816 socklen_t len = sizeof(addr);
817 int sd;
818 if (ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd) == 0 &&
819 getpeername(sd, (struct sockaddr *) &addr, &len) < 0) {
820 /* the other end has died. reopen. */
821 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
822 ldap_state->ldap_struct = NULL;
823 ldap_state->last_ping = (time_t)0;
824 } else {
825 ldap_state->last_ping = time(NULL);
826 }
827 }
828
829 if (ldap_state->ldap_struct != NULL) {
830 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
831 return LDAP_SUCCESS;
832 }
833
834 if ((rc = smbldap_open_connection(ldap_state))) {
835 return rc;
836 }
837
838 if ((rc = smbldap_connect_system(ldap_state, ldap_state->ldap_struct))) {
839 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
840 ldap_state->ldap_struct = NULL;
841 return rc;
842 }
843
844
845 ldap_state->last_ping = time(NULL);
846 DEBUG(4,("The LDAP server is succesful connected\n"));
847
848 return LDAP_SUCCESS;
849 }
850
851 /**********************************************************************
852 Disconnect from LDAP server
853 *********************************************************************/
854 static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
855 {
856 if (!ldap_state)
857 return NT_STATUS_INVALID_PARAMETER;
858
859 if (ldap_state->ldap_struct != NULL) {
860 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
861 ldap_state->ldap_struct = NULL;
862 }
863
864 smbldap_delete_state(ldap_state);
865
866 DEBUG(5,("The connection to the LDAP server was closed\n"));
867 /* maybe free the results here --metze */
868
869
870
871 return NT_STATUS_OK;
872 }
873
874 int smbldap_retry_open(struct smbldap_state *ldap_state, int *attempts)
875 {
876 int rc;
877
878 SMB_ASSERT(ldap_state && attempts);
879
880 if (*attempts != 0) {
881 unsigned int sleep_time;
882 uint8 rand_byte;
883
884 /* Sleep for a random timeout */
885 rand_byte = (char)(sys_random());
886
887 sleep_time = (((*attempts)*(*attempts))/2)*rand_byte*2;
888 /* we retry after (0.5, 1, 2, 3, 4.5, 6) seconds
889 on average.
890 */
891 DEBUG(3, ("Sleeping for %u milliseconds before reconnecting\n",
892 sleep_time));
893 msleep(sleep_time);
894 }
895 (*attempts)++;
896
897 if ((rc = smbldap_open(ldap_state))) {
898 DEBUG(1,("Connection to LDAP Server failed for the %d try!\n",*attempts));
899 return rc;
900 }
901
902 return LDAP_SUCCESS;
903 }
904
905
906 /*********************************************************************
907 ********************************************************************/
908
909 int smbldap_search(struct smbldap_state *ldap_state,
910 const char *base, int scope, const char *filter,
911 char *attrs[], int attrsonly,
912 LDAPMessage **res)
913 {
914 int rc = LDAP_SERVER_DOWN;
915 int attempts = 0;
916 char *utf8_filter;
917
918 SMB_ASSERT(ldap_state);
919
920 DEBUG(5,("smbldap_search: base => [%s], filter => [%s], scope => [%d]\n",
921 base, filter, scope));
922
923 if (ldap_state->last_rebind.tv_sec > 0) {
924 struct timeval tval;
925 int tdiff = 0;
926 int sleep_time = 0;
927
928 ZERO_STRUCT(tval);
929
930 gettimeofday(&tval,NULL);
931
932 tdiff = 1000000 *(tval.tv_sec - ldap_state->last_rebind.tv_sec) +
933 (tval.tv_usec - ldap_state->last_rebind.tv_usec);
934
935 sleep_time = ((1000*lp_ldap_replication_sleep())-tdiff)/1000;
936
937 if (sleep_time > 0) {
938 /* we wait for the LDAP replication */
939 DEBUG(5,("smbldap_search: waiting %d milliseconds for LDAP replication.\n",sleep_time));
940 msleep(sleep_time);
941 DEBUG(5,("smbldap_search: go on!\n"));
942 ZERO_STRUCT(ldap_state->last_rebind);
943 }
944 }
945
946 if (push_utf8_allocate(&utf8_filter, filter) == (size_t)-1) {
947 return LDAP_NO_MEMORY;
948 }
949
950 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
951
952 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
953 continue;
954
955 rc = ldap_search_s(ldap_state->ldap_struct, base, scope,
956 utf8_filter, attrs, attrsonly, res);
957 }
958
959 if (rc == LDAP_SERVER_DOWN) {
960 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
961 smbldap_close(ldap_state);
962 }
963
964 ldap_state->last_use = time(NULL);
965
966 SAFE_FREE(utf8_filter);
967 return rc;
968 }
969
970 int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
971 {
972 int rc = LDAP_SERVER_DOWN;
973 int attempts = 0;
974 char *utf8_dn;
975
976 SMB_ASSERT(ldap_state);
977
978 DEBUG(5,("smbldap_modify: dn => [%s]\n", dn ));
979
980 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
981 return LDAP_NO_MEMORY;
982 }
983
984 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
985
986 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
987 continue;
988
989 rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs);
990 }
991
992 if (rc == LDAP_SERVER_DOWN) {
993 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
994 smbldap_close(ldap_state);
995 }
996
997 ldap_state->last_use = time(NULL);
998
999 SAFE_FREE(utf8_dn);
1000 return rc;
1001 }
1002
1003 int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1004 {
1005 int rc = LDAP_SERVER_DOWN;
1006 int attempts = 0;
1007 char *utf8_dn;
1008
1009 SMB_ASSERT(ldap_state);
1010
1011 DEBUG(5,("smbldap_add: dn => [%s]\n", dn ));
1012
1013 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1014 return LDAP_NO_MEMORY;
1015 }
1016
1017 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1018
1019 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1020 continue;
1021
1022 rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs);
1023 }
1024
1025 if (rc == LDAP_SERVER_DOWN) {
1026 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1027 smbldap_close(ldap_state);
1028 }
1029
1030 ldap_state->last_use = time(NULL);
1031
1032 SAFE_FREE(utf8_dn);
1033 return rc;
1034 }
1035
1036 int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
1037 {
1038 int rc = LDAP_SERVER_DOWN;
1039 int attempts = 0;
1040 char *utf8_dn;
1041
1042 SMB_ASSERT(ldap_state);
1043
1044 DEBUG(5,("smbldap_delete: dn => [%s]\n", dn ));
1045
1046 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1047 return LDAP_NO_MEMORY;
1048 }
1049
1050 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1051
1052 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1053 continue;
1054
1055 rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn);
1056 }
1057
1058 if (rc == LDAP_SERVER_DOWN) {
1059 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1060 smbldap_close(ldap_state);
1061 }
1062
1063 ldap_state->last_use = time(NULL);
1064
1065 SAFE_FREE(utf8_dn);
1066 return rc;
1067 }
1068
1069 int smbldap_extended_operation(struct smbldap_state *ldap_state,
1070 LDAP_CONST char *reqoid, struct berval *reqdata,
1071 LDAPControl **serverctrls, LDAPControl **clientctrls,
1072 char **retoidp, struct berval **retdatap)
1073 {
1074 int rc = LDAP_SERVER_DOWN;
1075 int attempts = 0;
1076
1077 if (!ldap_state)
1078 return (-1);
1079
1080 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1081
1082 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1083 continue;
1084
1085 rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid, reqdata,
1086 serverctrls, clientctrls, retoidp, retdatap);
1087 }
1088
1089 if (rc == LDAP_SERVER_DOWN) {
1090 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1091 smbldap_close(ldap_state);
1092 }
1093
1094 ldap_state->last_use = time(NULL);
1095
1096 return rc;
1097 }
1098
1099 /*******************************************************************
1100 run the search by name.
1101 ******************************************************************/
1102 int smbldap_search_suffix (struct smbldap_state *ldap_state, const char *filter,
1103 char **search_attr, LDAPMessage ** result)
1104 {
1105 int scope = LDAP_SCOPE_SUBTREE;
1106 int rc;
1107
1108 rc = smbldap_search(ldap_state, lp_ldap_suffix(), scope, filter, search_attr, 0, result);
1109
1110 if (rc != LDAP_SUCCESS) {
1111 char *ld_error = NULL;
1112 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1113 &ld_error);
1114 DEBUG(0,("smbldap_search_suffix: Problem during the LDAP search: %s (%s)\n",
1115 ld_error?ld_error:"(unknown)", ldap_err2string (rc)));
1116 SAFE_FREE(ld_error);
1117 }
1118
1119 return rc;
1120 }
1121
1122 static void smbldap_idle_fn(void **data, time_t *interval, time_t now)
1123 {
1124 struct smbldap_state *state = (struct smbldap_state *)(*data);
1125
1126 if (state->ldap_struct == NULL) {
1127 DEBUG(10,("ldap connection not connected...\n"));
1128 return;
1129 }
1130
1131 if ((state->last_use+SMBLDAP_IDLE_TIME) > now) {
1132 DEBUG(10,("ldap connection not idle...\n"));
1133 return;
1134 }
1135
1136 DEBUG(7,("ldap connection idle...closing connection\n"));
1137 smbldap_close(state);
1138 }
1139
1140 /**********************************************************************
1141 Housekeeping
1142 *********************************************************************/
1143
1144 void smbldap_free_struct(struct smbldap_state **ldap_state)
1145 {
1146 smbldap_close(*ldap_state);
1147
1148 if ((*ldap_state)->bind_secret) {
1149 memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret));
1150 }
1151
1152 SAFE_FREE((*ldap_state)->bind_dn);
1153 SAFE_FREE((*ldap_state)->bind_secret);
1154
1155 smb_unregister_idle_event((*ldap_state)->event_id);
1156
1157 *ldap_state = NULL;
1158
1159 /* No need to free any further, as it is talloc()ed */
1160 }
1161
1162
1163 /**********************************************************************
1164 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1165 *********************************************************************/
1166
1167 NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, const char *location, struct smbldap_state **smbldap_state)
1168 {
1169 *smbldap_state = talloc_zero(mem_ctx, sizeof(**smbldap_state));
1170 if (!*smbldap_state) {
1171 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1172 return NT_STATUS_NO_MEMORY;
1173 }
1174
1175 if (location) {
1176 (*smbldap_state)->uri = talloc_strdup(mem_ctx, location);
1177 } else {
1178 (*smbldap_state)->uri = "ldap://localhost";
1179 }
1180
1181 (*smbldap_state)->event_id =
1182 smb_register_idle_event(smbldap_idle_fn, (void *)(*smbldap_state),
1183 SMBLDAP_IDLE_TIME);
1184
1185 if ((*smbldap_state)->event_id == SMB_EVENT_ID_INVALID) {
1186 DEBUG(0,("Failed to register LDAP idle event!\n"));
1187 return NT_STATUS_INVALID_HANDLE;
1188 }
1189
1190 return NT_STATUS_OK;
1191 }
1192
1193 /**********************************************************************
1194 Add the sambaDomain to LDAP, so we don't have to search for this stuff
1195 again. This is a once-add operation for now.
1196
1197 TODO: Add other attributes, and allow modification.
1198 *********************************************************************/
1199 static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
1200 const char *domain_name)
1201 {
1202 fstring sid_string;
1203 fstring algorithmic_rid_base_string;
1204 pstring filter, dn;
1205 LDAPMod **mods = NULL;
1206 int rc;
1207 int ldap_op;
1208 LDAPMessage *result = NULL;
1209 int num_result;
1210 char **attr_list;
1211 uid_t u_low, u_high;
1212 gid_t g_low, g_high;
1213 uint32 rid_low, rid_high;
1214
1215 slprintf (filter, sizeof (filter) - 1, "(&(%s=%s)(objectclass=%s))",
1216 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1217 domain_name, LDAP_OBJ_DOMINFO);
1218
1219 attr_list = get_attr_list( dominfo_attr_list );
1220 rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
1221 free_attr_list( attr_list );
1222
1223 if (rc != LDAP_SUCCESS) {
1224 return NT_STATUS_UNSUCCESSFUL;
1225 }
1226
1227 num_result = ldap_count_entries(ldap_state->ldap_struct, result);
1228
1229 if (num_result > 1) {
1230 DEBUG (0, ("More than domain with that name exists: bailing out!\n"));
1231 ldap_msgfree(result);
1232 return NT_STATUS_UNSUCCESSFUL;
1233 }
1234
1235 /* Check if we need to add an entry */
1236 DEBUG(3,("Adding new domain\n"));
1237 ldap_op = LDAP_MOD_ADD;
1238
1239 pstr_sprintf(dn, "%s=%s,%s", get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1240 domain_name, lp_ldap_suffix());
1241
1242 /* Free original search */
1243 ldap_msgfree(result);
1244
1245 /* make the changes - the entry *must* not already have samba attributes */
1246 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1247 domain_name);
1248
1249 /* If we don't have an entry, then ask secrets.tdb for what it thinks.
1250 It may choose to make it up */
1251
1252 sid_to_string(sid_string, get_global_sam_sid());
1253 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOM_SID), sid_string);
1254
1255 slprintf(algorithmic_rid_base_string, sizeof(algorithmic_rid_base_string) - 1, "%i", algorithmic_rid_base());
1256 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_ALGORITHMIC_RID_BASE),
1257 algorithmic_rid_base_string);
1258 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);
1259
1260 /* add the sambaNext[User|Group]Rid attributes if the idmap ranges are set.
1261 TODO: fix all the places where the line between idmap and normal operations
1262 needed by smbd gets fuzzy --jerry 2003-08-11 */
1263
1264 if ( lp_idmap_uid(&u_low, &u_high) && lp_idmap_gid(&g_low, &g_high)
1265 && get_free_rid_range(&rid_low, &rid_high) )
1266 {
1267 fstring rid_str;
1268
1269 fstr_sprintf( rid_str, "%i", rid_high|USER_RID_TYPE );
1270 DEBUG(10,("setting next available user rid [%s]\n", rid_str));
1271 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1272 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_USERRID),
1273 rid_str);
1274
1275 fstr_sprintf( rid_str, "%i", rid_high|GROUP_RID_TYPE );
1276 DEBUG(10,("setting next available group rid [%s]\n", rid_str));
1277 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1278 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_GROUPRID),
1279 rid_str);
1280
1281 }
1282
1283
1284 switch(ldap_op)
1285 {
1286 case LDAP_MOD_ADD:
1287 rc = smbldap_add(ldap_state, dn, mods);
1288 break;
1289 case LDAP_MOD_REPLACE:
1290 rc = smbldap_modify(ldap_state, dn, mods);
1291 break;
1292 default:
1293 DEBUG(0,("Wrong LDAP operation type: %d!\n", ldap_op));
1294 return NT_STATUS_INVALID_PARAMETER;
1295 }
1296
1297 if (rc!=LDAP_SUCCESS) {
1298 char *ld_error = NULL;
1299 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
1300 DEBUG(1,("failed to %s domain dn= %s with: %s\n\t%s\n",
1301 ldap_op == LDAP_MOD_ADD ? "add" : "modify",
1302 dn, ldap_err2string(rc),
1303 ld_error?ld_error:"unknown"));
1304 SAFE_FREE(ld_error);
1305
1306 ldap_mods_free(mods, True);
1307 return NT_STATUS_UNSUCCESSFUL;
1308 }
1309
1310 DEBUG(2,("added: domain = %s in the LDAP database\n", domain_name));
1311 ldap_mods_free(mods, True);
1312 return NT_STATUS_OK;
1313 }
1314
1315 /**********************************************************************
1316 Search for the domain info entry
1317 *********************************************************************/
1318 NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
1319 LDAPMessage ** result, const char *domain_name,
1320 BOOL try_add)
1321 {
1322 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1323 pstring filter;
1324 int rc;
1325 char **attr_list;
1326 int count;
1327
1328 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
1329 LDAP_OBJ_DOMINFO,
1330 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1331 domain_name);
1332
1333 DEBUG(2, ("Searching for:[%s]\n", filter));
1334
1335
1336 attr_list = get_attr_list( dominfo_attr_list );
1337 rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
1338 free_attr_list( attr_list );
1339
1340 if (rc != LDAP_SUCCESS) {
1341 DEBUG(2,("Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
1342 DEBUG(2,("Query was: %s, %s\n", lp_ldap_suffix(), filter));
1343 } else if (ldap_count_entries(ldap_state->ldap_struct, *result) < 1) {
1344 DEBUG(3, ("Got no domain info entries for domain\n"));
1345 ldap_msgfree(*result);
1346 *result = NULL;
1347 if (try_add && NT_STATUS_IS_OK(ret = add_new_domain_info(ldap_state, domain_name))) {
1348 return smbldap_search_domain_info(ldap_state, result, domain_name, False);
1349 }
1350 else {
1351 DEBUG(0, ("Adding domain info for %s failed with %s\n",
1352 domain_name, nt_errstr(ret)));
1353 return ret;
1354 }
1355 } else if ((count = ldap_count_entries(ldap_state->ldap_struct, *result)) > 1) {
1356 DEBUG(0, ("Got too many (%d) domain info entries for domain %s\n",
1357 count, domain_name));
1358 ldap_msgfree(*result);
1359 *result = NULL;
1360 return ret;
1361 } else {
1362 return NT_STATUS_OK;
1363 }
1364
1365 return ret;
1366 }
1367
1368 /*******************************************************************
1369 Return a copy of the DN for a LDAPMessage. Convert from utf8 to CH_UNIX.
1370 ********************************************************************/
1371
1372 char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
1373 {
1374 char *utf8_dn, *unix_dn;
1375
1376 utf8_dn = ldap_get_dn(ld, entry);
1377 if (!utf8_dn) {
1378 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1379 return NULL;
1380 }
1381 if (pull_utf8_allocate(&unix_dn, utf8_dn) == (size_t)-1) {
1382 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 [%s]\n", utf8_dn));
1383 return NULL;
1384 }
1385 ldap_memfree(utf8_dn);
1386 return unix_dn;
1387 }