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Fix scripts to generate correct tables for compilers which have character constants...
[Samba/gebeck_regimport.git] / source3 / lib / smbldap.c
blob781e6b976c37cf0c4d8a8f624bd74163dde14325
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_LIST_END, NULL }
101 };
102
103 /* attributes used for alalocating RIDs */
104
105 ATTRIB_MAP_ENTRY dominfo_attr_list[] = {
106 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
107 { LDAP_ATTR_NEXT_RID, "sambaNextRid" },
108 { LDAP_ATTR_NEXT_USERRID, "sambaNextUserRid" },
109 { LDAP_ATTR_NEXT_GROUPRID, "sambaNextGroupRid" },
110 { LDAP_ATTR_DOM_SID, LDAP_ATTRIBUTE_SID },
111 { LDAP_ATTR_ALGORITHMIC_RID_BASE,"sambaAlgorithmicRidBase"},
112 { LDAP_ATTR_OBJCLASS, "objectClass" },
113 { LDAP_ATTR_LIST_END, NULL },
114 };
115
116 /* Samba 3.0 group mapping attributes */
117
118 ATTRIB_MAP_ENTRY groupmap_attr_list[] = {
119 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
120 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
121 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
122 { LDAP_ATTR_DESC, "description" },
123 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
124 { LDAP_ATTR_CN, "cn" },
125 { LDAP_ATTR_OBJCLASS, "objectClass" },
126 { LDAP_ATTR_LIST_END, NULL }
127 };
128
129 ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete[] = {
130 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
131 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
132 { LDAP_ATTR_DESC, "description" },
133 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
134 { LDAP_ATTR_LIST_END, NULL }
135 };
136
137 /* idmap_ldap sambaUnixIdPool */
138
139 ATTRIB_MAP_ENTRY idpool_attr_list[] = {
140 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
141 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
142 { LDAP_ATTR_OBJCLASS, "objectClass" },
143 { LDAP_ATTR_LIST_END, NULL }
144 };
145
146 ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
147 { LDAP_ATTR_SID, LDAP_ATTRIBUTE_SID },
148 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
149 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
150 { LDAP_ATTR_OBJCLASS, "objectClass" },
151 { LDAP_ATTR_LIST_END, NULL }
152 };
153
154 /**********************************************************************
155 perform a simple table lookup and return the attribute name
156 **********************************************************************/
157
158 const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key )
159 {
160 int i = 0;
161
162 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
163 if ( table[i].attrib == key )
164 return table[i].name;
165 i++;
166 }
167
168 return NULL;
169 }
170
171
172 /**********************************************************************
173 Return the list of attribute names from a mapping table
174 **********************************************************************/
175
176 char** get_attr_list( ATTRIB_MAP_ENTRY table[] )
177 {
178 char **names;
179 int i = 0;
180
181 while ( table[i].attrib != LDAP_ATTR_LIST_END )
182 i++;
183 i++;
184
185 names = (char**)malloc( sizeof(char*)*i );
186 if ( !names ) {
187 DEBUG(0,("get_attr_list: out of memory\n"));
188 return NULL;
189 }
190
191 i = 0;
192 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
193 names[i] = strdup( table[i].name );
194 i++;
195 }
196 names[i] = NULL;
197
198 return names;
199 }
200
201 /*********************************************************************
202 Cleanup
203 ********************************************************************/
204
205 void free_attr_list( char **list )
206 {
207 int i = 0;
208
209 if ( !list )
210 return;
211
212 while ( list[i] ) {
213 SAFE_FREE( list[i] );
214 i+=1;
215 }
216
217 SAFE_FREE( list );
218 }
219
220 /*******************************************************************
221 find the ldap password
222 ******************************************************************/
223 BOOL fetch_ldap_pw(char **dn, char** pw)
224 {
225 char *key = NULL;
226 size_t size;
227
228 *dn = smb_xstrdup(lp_ldap_admin_dn());
229
230 if (asprintf(&key, "%s/%s", SECRETS_LDAP_BIND_PW, *dn) < 0) {
231 SAFE_FREE(*dn);
232 DEBUG(0, ("fetch_ldap_pw: asprintf failed!\n"));
233 }
234
235 *pw=secrets_fetch(key, &size);
236 SAFE_FREE(key);
237
238 if (!size) {
239 /* Upgrade 2.2 style entry */
240 char *p;
241 char* old_style_key = strdup(*dn);
242 char *data;
243 fstring old_style_pw;
244
245 if (!old_style_key) {
246 DEBUG(0, ("fetch_ldap_pw: strdup failed!\n"));
247 return False;
248 }
249
250 for (p=old_style_key; *p; p++)
251 if (*p == ',') *p = '/';
252
253 data=secrets_fetch(old_style_key, &size);
254 if (!size && size < sizeof(old_style_pw)) {
255 DEBUG(0,("fetch_ldap_pw: neither ldap secret retrieved!\n"));
256 SAFE_FREE(old_style_key);
257 SAFE_FREE(*dn);
258 return False;
259 }
260
261 strncpy(old_style_pw, data, size);
262 old_style_pw[size] = 0;
263
264 SAFE_FREE(data);
265
266 if (!secrets_store_ldap_pw(*dn, old_style_pw)) {
267 DEBUG(0,("fetch_ldap_pw: ldap secret could not be upgraded!\n"));
268 SAFE_FREE(old_style_key);
269 SAFE_FREE(*dn);
270 return False;
271 }
272 if (!secrets_delete(old_style_key)) {
273 DEBUG(0,("fetch_ldap_pw: old ldap secret could not be deleted!\n"));
274 }
275
276 SAFE_FREE(old_style_key);
277
278 *pw = smb_xstrdup(old_style_pw);
279 }
280
281 return True;
282 }
283
284 /*******************************************************************
285 Search an attribute and return the first value found.
286 ******************************************************************/
287
288 BOOL smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
289 const char *attribute, pstring value)
290 {
291 char **values;
292
293 if ( !attribute )
294 return False;
295
296 value[0] = '\0';
297
298 if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) {
299 DEBUG (10, ("smbldap_get_single_attribute: [%s] = [<does not exist>]\n", attribute));
300
301 return False;
302 }
303
304 if (convert_string(CH_UTF8, CH_UNIX,values[0], -1, value, sizeof(pstring)) == (size_t)-1) {
305 DEBUG(1, ("smbldap_get_single_attribute: string conversion of [%s] = [%s] failed!\n",
306 attribute, values[0]));
307 ldap_value_free(values);
308 return False;
309 }
310
311 ldap_value_free(values);
312 #ifdef DEBUG_PASSWORDS
313 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n", attribute, value));
314 #endif
315 return True;
316 }
317
318 /************************************************************************
319 Routine to manage the LDAPMod structure array
320 manage memory used by the array, by each struct, and values
321 ***********************************************************************/
322
323 void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
324 {
325 LDAPMod **mods;
326 int i;
327 int j;
328
329 mods = *modlist;
330
331 /* sanity checks on the mod values */
332
333 if (attribute == NULL || *attribute == '\0')
334 return;
335 #if 0 /* commented out after discussion with abartlet. Do not reenable.
336 left here so other so re-add similar code --jerry */
337 if (value == NULL || *value == '\0')
338 return;
339 #endif
340
341 if (mods == NULL)
342 {
343 mods = (LDAPMod **) malloc(sizeof(LDAPMod *));
344 if (mods == NULL)
345 {
346 DEBUG(0, ("make_a_mod: out of memory!\n"));
347 return;
348 }
349 mods[0] = NULL;
350 }
351
352 for (i = 0; mods[i] != NULL; ++i) {
353 if (mods[i]->mod_op == modop && !strcasecmp(mods[i]->mod_type, attribute))
354 break;
355 }
356
357 if (mods[i] == NULL)
358 {
359 mods = (LDAPMod **) Realloc (mods, (i + 2) * sizeof (LDAPMod *));
360 if (mods == NULL)
361 {
362 DEBUG(0, ("make_a_mod: out of memory!\n"));
363 return;
364 }
365 mods[i] = (LDAPMod *) malloc(sizeof(LDAPMod));
366 if (mods[i] == NULL)
367 {
368 DEBUG(0, ("make_a_mod: out of memory!\n"));
369 return;
370 }
371 mods[i]->mod_op = modop;
372 mods[i]->mod_values = NULL;
373 mods[i]->mod_type = strdup(attribute);
374 mods[i + 1] = NULL;
375 }
376
377 if (value != NULL)
378 {
379 char *utf8_value = NULL;
380
381 j = 0;
382 if (mods[i]->mod_values != NULL) {
383 for (; mods[i]->mod_values[j] != NULL; j++);
384 }
385 mods[i]->mod_values = (char **)Realloc(mods[i]->mod_values,
386 (j + 2) * sizeof (char *));
387
388 if (mods[i]->mod_values == NULL) {
389 DEBUG (0, ("make_a_mod: Memory allocation failure!\n"));
390 return;
391 }
392
393 if (push_utf8_allocate(&utf8_value, value) == (size_t)-1) {
394 DEBUG (0, ("make_a_mod: String conversion failure!\n"));
395 return;
396 }
397
398 mods[i]->mod_values[j] = utf8_value;
399
400 mods[i]->mod_values[j + 1] = NULL;
401 }
402 *modlist = mods;
403 }
404
405 /**********************************************************************
406 Set attribute to newval in LDAP, regardless of what value the
407 attribute had in LDAP before.
408 *********************************************************************/
409
410 void smbldap_make_mod(LDAP *ldap_struct, LDAPMessage *existing,
411 LDAPMod ***mods,
412 const char *attribute, const char *newval)
413 {
414 pstring oldval;
415 BOOL existed;
416
417 if (existing != NULL) {
418 existed = smbldap_get_single_attribute(ldap_struct, existing, attribute, oldval);
419 } else {
420 existed = False;
421 *oldval = '\0';
422 }
423
424 /* all of our string attributes are case insensitive */
425
426 if (existed && (StrCaseCmp(oldval, newval) == 0)) {
427
428 /* Believe it or not, but LDAP will deny a delete and
429 an add at the same time if the values are the
430 same... */
431 return;
432 }
433
434 /* Regardless of the real operation (add or modify)
435 we add the new value here. We rely on deleting
436 the old value, should it exist. */
437
438 if ((newval != NULL) && (strlen(newval) > 0)) {
439 smbldap_set_mod(mods, LDAP_MOD_ADD, attribute, newval);
440 }
441
442 if (!existed) {
443 /* There has been no value before, so don't delete it.
444 Here's a possible race: We might end up with
445 duplicate attributes */
446 return;
447 }
448
449 /* By deleting exactly the value we found in the entry this
450 should be race-free in the sense that the LDAP-Server will
451 deny the complete operation if somebody changed the
452 attribute behind our back. */
453
454 smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, oldval);
455 }
456
457 /**********************************************************************
458 Some varients of the LDAP rebind code do not pass in the third 'arg'
459 pointer to a void*, so we try and work around it by assuming that the
460 value of the 'LDAP *' pointer is the same as the one we had passed in
461 **********************************************************************/
462
463 struct smbldap_state_lookup {
464 LDAP *ld;
465 struct smbldap_state *smbldap_state;
466 struct smbldap_state_lookup *prev, *next;
467 };
468
469 static struct smbldap_state_lookup *smbldap_state_lookup_list;
470
471 static struct smbldap_state *smbldap_find_state(LDAP *ld)
472 {
473 struct smbldap_state_lookup *t;
474
475 for (t = smbldap_state_lookup_list; t; t = t->next) {
476 if (t->ld == ld) {
477 return t->smbldap_state;
478 }
479 }
480 return NULL;
481 }
482
483 static void smbldap_delete_state(struct smbldap_state *smbldap_state)
484 {
485 struct smbldap_state_lookup *t;
486
487 for (t = smbldap_state_lookup_list; t; t = t->next) {
488 if (t->smbldap_state == smbldap_state) {
489 DLIST_REMOVE(smbldap_state_lookup_list, t);
490 SAFE_FREE(t);
491 return;
492 }
493 }
494 }
495
496 static void smbldap_store_state(LDAP *ld, struct smbldap_state *smbldap_state)
497 {
498 struct smbldap_state *tmp_ldap_state;
499 struct smbldap_state_lookup *t;
500 struct smbldap_state_lookup *tmp;
501
502 if ((tmp_ldap_state = smbldap_find_state(ld))) {
503 SMB_ASSERT(tmp_ldap_state == smbldap_state);
504 return;
505 }
506
507 t = smb_xmalloc(sizeof(*t));
508 ZERO_STRUCTP(t);
509
510 DLIST_ADD_END(smbldap_state_lookup_list, t, tmp);
511 t->ld = ld;
512 t->smbldap_state = smbldap_state;
513 }
514
515 /*******************************************************************
516 open a connection to the ldap server.
517 ******************************************************************/
518 static int smbldap_open_connection (struct smbldap_state *ldap_state)
519
520 {
521 int rc = LDAP_SUCCESS;
522 int version;
523 BOOL ldap_v3 = False;
524 LDAP **ldap_struct = &ldap_state->ldap_struct;
525
526 #ifdef HAVE_LDAP_INITIALIZE
527 DEBUG(10, ("smbldap_open_connection: %s\n", ldap_state->uri));
528
529 if ((rc = ldap_initialize(ldap_struct, ldap_state->uri)) != LDAP_SUCCESS) {
530 DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc)));
531 return rc;
532 }
533 #else
534
535 /* Parse the string manually */
536
537 {
538 int port = 0;
539 fstring protocol;
540 fstring host;
541 const char *p = ldap_state->uri;
542 SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254);
543
544 /* skip leading "URL:" (if any) */
545 if ( strncasecmp( p, "URL:", 4 ) == 0 ) {
546 p += 4;
547 }
548
549 sscanf(p, "%10[^:]://%254s[^:]:%d", protocol, host, &port);
550
551 if (port == 0) {
552 if (strequal(protocol, "ldap")) {
553 port = LDAP_PORT;
554 } else if (strequal(protocol, "ldaps")) {
555 port = LDAPS_PORT;
556 } else {
557 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol));
558 }
559 }
560
561 if ((*ldap_struct = ldap_init(host, port)) == NULL) {
562 DEBUG(0, ("ldap_init failed !\n"));
563 return LDAP_OPERATIONS_ERROR;
564 }
565
566 if (strequal(protocol, "ldaps")) {
567 #ifdef LDAP_OPT_X_TLS
568 int tls = LDAP_OPT_X_TLS_HARD;
569 if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
570 {
571 DEBUG(0, ("Failed to setup a TLS session\n"));
572 }
573
574 DEBUG(3,("LDAPS option set...!\n"));
575 #else
576 DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
577 return LDAP_OPERATIONS_ERROR;
578 #endif
579 }
580 }
581 #endif
582
583 /* Store the LDAP pointer in a lookup list */
584
585 smbldap_store_state(*ldap_struct, ldap_state);
586
587 /* Upgrade to LDAPv3 if possible */
588
589 if (ldap_get_option(*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS)
590 {
591 if (version != LDAP_VERSION3)
592 {
593 version = LDAP_VERSION3;
594 if (ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS) {
595 ldap_v3 = True;
596 }
597 } else {
598 ldap_v3 = True;
599 }
600 }
601
602 if (lp_ldap_ssl() == LDAP_SSL_START_TLS) {
603 #ifdef LDAP_OPT_X_TLS
604 if (ldap_v3) {
605 if ((rc = ldap_start_tls_s (*ldap_struct, NULL, NULL)) != LDAP_SUCCESS)
606 {
607 DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
608 ldap_err2string(rc)));
609 return rc;
610 }
611 DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
612 } else {
613
614 DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
615 return LDAP_OPERATIONS_ERROR;
616 }
617 #else
618 DEBUG(0,("smbldap_open_connection: StartTLS not supported by LDAP client libraries!\n"));
619 return LDAP_OPERATIONS_ERROR;
620 #endif
621 }
622
623 DEBUG(2, ("smbldap_open_connection: connection opened\n"));
624 return rc;
625 }
626
627
628 /*******************************************************************
629 a rebind function for authenticated referrals
630 This version takes a void* that we can shove useful stuff in :-)
631 ******************************************************************/
632 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
633 #else
634 static int rebindproc_with_state (LDAP * ld, char **whop, char **credp,
635 int *methodp, int freeit, void *arg)
636 {
637 struct smbldap_state *ldap_state = arg;
638
639 /** @TODO Should we be doing something to check what servers we rebind to?
640 Could we get a referral to a machine that we don't want to give our
641 username and password to? */
642
643 if (freeit) {
644 SAFE_FREE(*whop);
645 memset(*credp, '\0', strlen(*credp));
646 SAFE_FREE(*credp);
647 } else {
648 DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
649 ldap_state->bind_dn));
650
651 *whop = strdup(ldap_state->bind_dn);
652 if (!*whop) {
653 return LDAP_NO_MEMORY;
654 }
655 *credp = strdup(ldap_state->bind_secret);
656 if (!*credp) {
657 SAFE_FREE(*whop);
658 return LDAP_NO_MEMORY;
659 }
660 *methodp = LDAP_AUTH_SIMPLE;
661 }
662 return 0;
663 }
664 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
665
666 /*******************************************************************
667 a rebind function for authenticated referrals
668 This version takes a void* that we can shove useful stuff in :-)
669 and actually does the connection.
670 ******************************************************************/
671 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
672 static int rebindproc_connect_with_state (LDAP *ldap_struct,
673 LDAP_CONST char *url,
674 ber_tag_t request,
675 ber_int_t msgid, void *arg)
676 {
677 struct smbldap_state *ldap_state = arg;
678 int rc;
679 DEBUG(5,("rebindproc_connect_with_state: Rebinding as \"%s\"\n",
680 ldap_state->bind_dn));
681
682 /** @TODO Should we be doing something to check what servers we rebind to?
683 Could we get a referral to a machine that we don't want to give our
684 username and password to? */
685
686 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
687
688 return rc;
689 }
690 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
691
692 /*******************************************************************
693 Add a rebind function for authenticated referrals
694 ******************************************************************/
695 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
696 #else
697 # if LDAP_SET_REBIND_PROC_ARGS == 2
698 static int rebindproc (LDAP *ldap_struct, char **whop, char **credp,
699 int *method, int freeit )
700 {
701 struct smbldap_state *ldap_state = smbldap_find_state(ldap_struct);
702
703 return rebindproc_with_state(ldap_struct, whop, credp,
704 method, freeit, ldap_state);
705
706 }
707 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
708 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
709
710 /*******************************************************************
711 a rebind function for authenticated referrals
712 this also does the connection, but no void*.
713 ******************************************************************/
714 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
715 # if LDAP_SET_REBIND_PROC_ARGS == 2
716 static int rebindproc_connect (LDAP * ld, LDAP_CONST char *url, int request,
717 ber_int_t msgid)
718 {
719 struct smbldap_state *ldap_state = smbldap_find_state(ld);
720
721 return rebindproc_connect_with_state(ld, url, (ber_tag_t)request, msgid,
722 ldap_state);
723 }
724 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
725 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
726
727 /*******************************************************************
728 connect to the ldap server under system privilege.
729 ******************************************************************/
730 static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_struct)
731 {
732 int rc;
733 char *ldap_dn;
734 char *ldap_secret;
735
736 /* get the password */
737 if (!fetch_ldap_pw(&ldap_dn, &ldap_secret))
738 {
739 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
740 return LDAP_INVALID_CREDENTIALS;
741 }
742
743 ldap_state->bind_dn = ldap_dn;
744 ldap_state->bind_secret = ldap_secret;
745
746 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
747 (OpenLDAP) doesnt' seem to support it */
748
749 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
750 ldap_state->uri, ldap_dn));
751
752 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
753 # if LDAP_SET_REBIND_PROC_ARGS == 2
754 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect);
755 # endif
756 # if LDAP_SET_REBIND_PROC_ARGS == 3
757 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state);
758 # endif
759 #else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
760 # if LDAP_SET_REBIND_PROC_ARGS == 2
761 ldap_set_rebind_proc(ldap_struct, &rebindproc);
762 # endif
763 # if LDAP_SET_REBIND_PROC_ARGS == 3
764 ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state);
765 # endif
766 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
767
768 rc = ldap_simple_bind_s(ldap_struct, ldap_dn, ldap_secret);
769
770 if (rc != LDAP_SUCCESS) {
771 char *ld_error = NULL;
772 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
773 &ld_error);
774 DEBUG(ldap_state->num_failures ? 2 : 0,
775 ("failed to bind to server with dn= %s Error: %s\n\t%s\n",
776 ldap_dn ? ldap_dn : "(unknown)", ldap_err2string(rc),
777 ld_error ? ld_error : "(unknown)"));
778 SAFE_FREE(ld_error);
779 ldap_state->num_failures++;
780 return rc;
781 }
782
783 ldap_state->num_failures = 0;
784
785 DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n"));
786 return rc;
787 }
788
789 /**********************************************************************
790 Connect to LDAP server (called before every ldap operation)
791 *********************************************************************/
792 static int smbldap_open(struct smbldap_state *ldap_state)
793 {
794 int rc;
795 SMB_ASSERT(ldap_state);
796
797 #ifndef NO_LDAP_SECURITY
798 if (geteuid() != 0) {
799 DEBUG(0, ("smbldap_open: cannot access LDAP when not root..\n"));
800 return LDAP_INSUFFICIENT_ACCESS;
801 }
802 #endif
803
804 if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
805 struct sockaddr_un addr;
806 socklen_t len = sizeof(addr);
807 int sd;
808 if (ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd) == 0 &&
809 getpeername(sd, (struct sockaddr *) &addr, &len) < 0) {
810 /* the other end has died. reopen. */
811 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
812 ldap_state->ldap_struct = NULL;
813 ldap_state->last_ping = (time_t)0;
814 } else {
815 ldap_state->last_ping = time(NULL);
816 }
817 }
818
819 if (ldap_state->ldap_struct != NULL) {
820 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
821 return LDAP_SUCCESS;
822 }
823
824 if ((rc = smbldap_open_connection(ldap_state))) {
825 return rc;
826 }
827
828 if ((rc = smbldap_connect_system(ldap_state, ldap_state->ldap_struct))) {
829 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
830 ldap_state->ldap_struct = NULL;
831 return rc;
832 }
833
834
835 ldap_state->last_ping = time(NULL);
836 DEBUG(4,("The LDAP server is succesful connected\n"));
837
838 return LDAP_SUCCESS;
839 }
840
841 /**********************************************************************
842 Disconnect from LDAP server
843 *********************************************************************/
844 static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
845 {
846 if (!ldap_state)
847 return NT_STATUS_INVALID_PARAMETER;
848
849 if (ldap_state->ldap_struct != NULL) {
850 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
851 ldap_state->ldap_struct = NULL;
852 }
853
854 smbldap_delete_state(ldap_state);
855
856 DEBUG(5,("The connection to the LDAP server was closed\n"));
857 /* maybe free the results here --metze */
858
859
860
861 return NT_STATUS_OK;
862 }
863
864 int smbldap_retry_open(struct smbldap_state *ldap_state, int *attempts)
865 {
866 int rc;
867
868 SMB_ASSERT(ldap_state && attempts);
869
870 if (*attempts != 0) {
871 unsigned int sleep_time;
872 uint8 rand_byte;
873
874 /* Sleep for a random timeout */
875 rand_byte = (char)(sys_random());
876
877 sleep_time = (((*attempts)*(*attempts))/2)*rand_byte*2;
878 /* we retry after (0.5, 1, 2, 3, 4.5, 6) seconds
879 on average.
880 */
881 DEBUG(3, ("Sleeping for %u milliseconds before reconnecting\n",
882 sleep_time));
883 msleep(sleep_time);
884 }
885 (*attempts)++;
886
887 if ((rc = smbldap_open(ldap_state))) {
888 DEBUG(1,("Connection to LDAP Server failed for the %d try!\n",*attempts));
889 return rc;
890 }
891
892 return LDAP_SUCCESS;
893 }
894
895
896 /*********************************************************************
897 ********************************************************************/
898
899 int smbldap_search(struct smbldap_state *ldap_state,
900 const char *base, int scope, const char *filter,
901 char *attrs[], int attrsonly,
902 LDAPMessage **res)
903 {
904 int rc = LDAP_SERVER_DOWN;
905 int attempts = 0;
906 char *utf8_filter;
907
908 SMB_ASSERT(ldap_state);
909
910 if (push_utf8_allocate(&utf8_filter, filter) == (size_t)-1) {
911 return LDAP_NO_MEMORY;
912 }
913
914 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
915
916 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
917 continue;
918
919 rc = ldap_search_s(ldap_state->ldap_struct, base, scope,
920 utf8_filter, attrs, attrsonly, res);
921 }
922
923 if (rc == LDAP_SERVER_DOWN) {
924 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
925 smbldap_close(ldap_state);
926 }
927
928 ldap_state->last_use = time(NULL);
929
930 SAFE_FREE(utf8_filter);
931 return rc;
932 }
933
934 int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
935 {
936 int rc = LDAP_SERVER_DOWN;
937 int attempts = 0;
938 char *utf8_dn;
939
940 SMB_ASSERT(ldap_state);
941
942 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
943 return LDAP_NO_MEMORY;
944 }
945
946 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
947
948 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
949 continue;
950
951 rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs);
952 }
953
954 if (rc == LDAP_SERVER_DOWN) {
955 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
956 smbldap_close(ldap_state);
957 }
958
959 ldap_state->last_use = time(NULL);
960
961 SAFE_FREE(utf8_dn);
962 return rc;
963 }
964
965 int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
966 {
967 int rc = LDAP_SERVER_DOWN;
968 int attempts = 0;
969 char *utf8_dn;
970
971 SMB_ASSERT(ldap_state);
972
973 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
974 return LDAP_NO_MEMORY;
975 }
976
977 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
978
979 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
980 continue;
981
982 rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs);
983 }
984
985 if (rc == LDAP_SERVER_DOWN) {
986 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
987 smbldap_close(ldap_state);
988 }
989
990 ldap_state->last_use = time(NULL);
991
992 SAFE_FREE(utf8_dn);
993 return rc;
994 }
995
996 int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
997 {
998 int rc = LDAP_SERVER_DOWN;
999 int attempts = 0;
1000 char *utf8_dn;
1001
1002 SMB_ASSERT(ldap_state);
1003
1004 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1005 return LDAP_NO_MEMORY;
1006 }
1007
1008 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1009
1010 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1011 continue;
1012
1013 rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn);
1014 }
1015
1016 if (rc == LDAP_SERVER_DOWN) {
1017 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1018 smbldap_close(ldap_state);
1019 }
1020
1021 ldap_state->last_use = time(NULL);
1022
1023 SAFE_FREE(utf8_dn);
1024 return rc;
1025 }
1026
1027 int smbldap_extended_operation(struct smbldap_state *ldap_state,
1028 LDAP_CONST char *reqoid, struct berval *reqdata,
1029 LDAPControl **serverctrls, LDAPControl **clientctrls,
1030 char **retoidp, struct berval **retdatap)
1031 {
1032 int rc = LDAP_SERVER_DOWN;
1033 int attempts = 0;
1034
1035 if (!ldap_state)
1036 return (-1);
1037
1038 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1039
1040 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1041 continue;
1042
1043 rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid, reqdata,
1044 serverctrls, clientctrls, retoidp, retdatap);
1045 }
1046
1047 if (rc == LDAP_SERVER_DOWN) {
1048 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1049 smbldap_close(ldap_state);
1050 }
1051
1052 ldap_state->last_use = time(NULL);
1053
1054 return rc;
1055 }
1056
1057 /*******************************************************************
1058 run the search by name.
1059 ******************************************************************/
1060 int smbldap_search_suffix (struct smbldap_state *ldap_state, const char *filter,
1061 char **search_attr, LDAPMessage ** result)
1062 {
1063 int scope = LDAP_SCOPE_SUBTREE;
1064 int rc;
1065
1066 DEBUG(2, ("smbldap_search_suffix: searching for:[%s]\n", filter));
1067
1068 rc = smbldap_search(ldap_state, lp_ldap_suffix(), scope, filter, search_attr, 0, result);
1069
1070 if (rc != LDAP_SUCCESS) {
1071 char *ld_error = NULL;
1072 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1073 &ld_error);
1074 DEBUG(0,("smbldap_search_suffix: Problem during the LDAP search: %s (%s)\n",
1075 ld_error?ld_error:"(unknown)", ldap_err2string (rc)));
1076 DEBUG(3,("smbldap_search_suffix: Query was: %s, %s\n", lp_ldap_suffix(),
1077 filter));
1078 SAFE_FREE(ld_error);
1079 }
1080
1081 return rc;
1082 }
1083
1084 static void smbldap_idle_fn(void **data, time_t *interval, time_t now)
1085 {
1086 struct smbldap_state *state = (struct smbldap_state *)(*data);
1087
1088 if (state->ldap_struct == NULL) {
1089 DEBUG(10,("ldap connection not connected...\n"));
1090 return;
1091 }
1092
1093 if ((state->last_use+SMBLDAP_IDLE_TIME) > now) {
1094 DEBUG(10,("ldap connection not idle...\n"));
1095 return;
1096 }
1097
1098 DEBUG(7,("ldap connection idle...closing connection\n"));
1099 smbldap_close(state);
1100 }
1101
1102 /**********************************************************************
1103 Housekeeping
1104 *********************************************************************/
1105
1106 void smbldap_free_struct(struct smbldap_state **ldap_state)
1107 {
1108 smbldap_close(*ldap_state);
1109
1110 if ((*ldap_state)->bind_secret) {
1111 memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret));
1112 }
1113
1114 SAFE_FREE((*ldap_state)->bind_dn);
1115 SAFE_FREE((*ldap_state)->bind_secret);
1116
1117 smb_unregister_idle_event((*ldap_state)->event_id);
1118
1119 *ldap_state = NULL;
1120
1121 /* No need to free any further, as it is talloc()ed */
1122 }
1123
1124
1125 /**********************************************************************
1126 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1127 *********************************************************************/
1128
1129 NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, const char *location, struct smbldap_state **smbldap_state)
1130 {
1131 *smbldap_state = talloc_zero(mem_ctx, sizeof(**smbldap_state));
1132 if (!*smbldap_state) {
1133 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1134 return NT_STATUS_NO_MEMORY;
1135 }
1136
1137 if (location) {
1138 (*smbldap_state)->uri = talloc_strdup(mem_ctx, location);
1139 } else {
1140 (*smbldap_state)->uri = "ldap://localhost";
1141 }
1142
1143 (*smbldap_state)->event_id =
1144 smb_register_idle_event(smbldap_idle_fn, (void *)(*smbldap_state),
1145 SMBLDAP_IDLE_TIME);
1146
1147 if ((*smbldap_state)->event_id == SMB_EVENT_ID_INVALID) {
1148 DEBUG(0,("Failed to register LDAP idle event!\n"));
1149 return NT_STATUS_INVALID_HANDLE;
1150 }
1151
1152 return NT_STATUS_OK;
1153 }
1154
1155 /**********************************************************************
1156 Add the sambaDomain to LDAP, so we don't have to search for this stuff
1157 again. This is a once-add operation for now.
1158
1159 TODO: Add other attributes, and allow modification.
1160 *********************************************************************/
1161 static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
1162 const char *domain_name)
1163 {
1164 fstring sid_string;
1165 fstring algorithmic_rid_base_string;
1166 pstring filter, dn;
1167 LDAPMod **mods = NULL;
1168 int rc;
1169 int ldap_op;
1170 LDAPMessage *result = NULL;
1171 int num_result;
1172 char **attr_list;
1173 uid_t u_low, u_high;
1174 gid_t g_low, g_high;
1175 uint32 rid_low, rid_high;
1176
1177 slprintf (filter, sizeof (filter) - 1, "(&(%s=%s)(objectclass=%s))",
1178 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1179 domain_name, LDAP_OBJ_DOMINFO);
1180
1181 attr_list = get_attr_list( dominfo_attr_list );
1182 rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
1183 free_attr_list( attr_list );
1184
1185 if (rc != LDAP_SUCCESS) {
1186 return NT_STATUS_UNSUCCESSFUL;
1187 }
1188
1189 num_result = ldap_count_entries(ldap_state->ldap_struct, result);
1190
1191 if (num_result > 1) {
1192 DEBUG (0, ("More than domain with that name exists: bailing out!\n"));
1193 ldap_msgfree(result);
1194 return NT_STATUS_UNSUCCESSFUL;
1195 }
1196
1197 /* Check if we need to add an entry */
1198 DEBUG(3,("Adding new domain\n"));
1199 ldap_op = LDAP_MOD_ADD;
1200
1201 pstr_sprintf(dn, "%s=%s,%s", get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1202 domain_name, lp_ldap_suffix());
1203
1204 /* Free original search */
1205 ldap_msgfree(result);
1206
1207 /* make the changes - the entry *must* not already have samba attributes */
1208 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1209 domain_name);
1210
1211 /* If we don't have an entry, then ask secrets.tdb for what it thinks.
1212 It may choose to make it up */
1213
1214 sid_to_string(sid_string, get_global_sam_sid());
1215 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOM_SID), sid_string);
1216
1217 slprintf(algorithmic_rid_base_string, sizeof(algorithmic_rid_base_string) - 1, "%i", algorithmic_rid_base());
1218 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_ALGORITHMIC_RID_BASE),
1219 algorithmic_rid_base_string);
1220 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);
1221
1222 /* add the sambaNext[User|Group]Rid attributes if the idmap ranges are set.
1223 TODO: fix all the places where the line between idmap and normal operations
1224 needed by smbd gets fuzzy --jerry 2003-08-11 */
1225
1226 if ( lp_idmap_uid(&u_low, &u_high) && lp_idmap_gid(&g_low, &g_high)
1227 && get_free_rid_range(&rid_low, &rid_high) )
1228 {
1229 fstring rid_str;
1230
1231 fstr_sprintf( rid_str, "%i", rid_high|USER_RID_TYPE );
1232 DEBUG(10,("setting next available user rid [%s]\n", rid_str));
1233 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1234 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_USERRID),
1235 rid_str);
1236
1237 fstr_sprintf( rid_str, "%i", rid_high|GROUP_RID_TYPE );
1238 DEBUG(10,("setting next available group rid [%s]\n", rid_str));
1239 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1240 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_GROUPRID),
1241 rid_str);
1242
1243 }
1244
1245
1246 switch(ldap_op)
1247 {
1248 case LDAP_MOD_ADD:
1249 rc = smbldap_add(ldap_state, dn, mods);
1250 break;
1251 case LDAP_MOD_REPLACE:
1252 rc = smbldap_modify(ldap_state, dn, mods);
1253 break;
1254 default:
1255 DEBUG(0,("Wrong LDAP operation type: %d!\n", ldap_op));
1256 return NT_STATUS_INVALID_PARAMETER;
1257 }
1258
1259 if (rc!=LDAP_SUCCESS) {
1260 char *ld_error = NULL;
1261 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
1262 DEBUG(1,("failed to %s domain dn= %s with: %s\n\t%s\n",
1263 ldap_op == LDAP_MOD_ADD ? "add" : "modify",
1264 dn, ldap_err2string(rc),
1265 ld_error?ld_error:"unknown"));
1266 SAFE_FREE(ld_error);
1267
1268 ldap_mods_free(mods, True);
1269 return NT_STATUS_UNSUCCESSFUL;
1270 }
1271
1272 DEBUG(2,("added: domain = %s in the LDAP database\n", domain_name));
1273 ldap_mods_free(mods, True);
1274 return NT_STATUS_OK;
1275 }
1276
1277 /**********************************************************************
1278 Search for the domain info entry
1279 *********************************************************************/
1280 NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
1281 LDAPMessage ** result, const char *domain_name,
1282 BOOL try_add)
1283 {
1284 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1285 pstring filter;
1286 int rc;
1287 char **attr_list;
1288 int count;
1289
1290 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
1291 LDAP_OBJ_DOMINFO,
1292 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1293 domain_name);
1294
1295 DEBUG(2, ("Searching for:[%s]\n", filter));
1296
1297
1298 attr_list = get_attr_list( dominfo_attr_list );
1299 rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
1300 free_attr_list( attr_list );
1301
1302 if (rc != LDAP_SUCCESS) {
1303 DEBUG(2,("Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
1304 DEBUG(2,("Query was: %s, %s\n", lp_ldap_suffix(), filter));
1305 } else if (ldap_count_entries(ldap_state->ldap_struct, *result) < 1) {
1306 DEBUG(3, ("Got no domain info entries for domain\n"));
1307 ldap_msgfree(*result);
1308 *result = NULL;
1309 if (try_add && NT_STATUS_IS_OK(ret = add_new_domain_info(ldap_state, domain_name))) {
1310 return smbldap_search_domain_info(ldap_state, result, domain_name, False);
1311 }
1312 else {
1313 DEBUG(0, ("Adding domain info for %s failed with %s\n",
1314 domain_name, nt_errstr(ret)));
1315 return ret;
1316 }
1317 } else if ((count = ldap_count_entries(ldap_state->ldap_struct, *result)) > 1) {
1318 DEBUG(0, ("Got too many (%d) domain info entries for domain %s\n",
1319 count, domain_name));
1320 ldap_msgfree(*result);
1321 *result = NULL;
1322 return ret;
1323 } else {
1324 return NT_STATUS_OK;
1325 }
1326
1327 return ret;
1328 }
1329
1330 /*******************************************************************
1331 Return a copy of the DN for a LDAPMessage. Convert from utf8 to CH_UNIX.
1332 ********************************************************************/
1333
1334 char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
1335 {
1336 char *utf8_dn, *unix_dn;
1337
1338 utf8_dn = ldap_get_dn(ld, entry);
1339 if (!utf8_dn) {
1340 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1341 return NULL;
1342 }
1343 if (pull_utf8_allocate((void **) &unix_dn, utf8_dn) == (size_t)-1) {
1344 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 [%s]\n", utf8_dn));
1345 return NULL;
1346 }
1347 ldap_memfree(utf8_dn);
1348 return unix_dn;
1349 }
reg import