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Fix our parsing of the LDAP url. We get around it as all decent systems seem
[Samba/gebeck_regimport.git] / source3 / lib / smbldap.c
blobda409dce04eb776469abfc98aa3d5d9bac1ff3ad
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_LIST_END, NULL }
102 };
103
104 /* attributes used for alalocating RIDs */
105
106 ATTRIB_MAP_ENTRY dominfo_attr_list[] = {
107 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
108 { LDAP_ATTR_NEXT_RID, "sambaNextRid" },
109 { LDAP_ATTR_NEXT_USERRID, "sambaNextUserRid" },
110 { LDAP_ATTR_NEXT_GROUPRID, "sambaNextGroupRid" },
111 { LDAP_ATTR_DOM_SID, LDAP_ATTRIBUTE_SID },
112 { LDAP_ATTR_ALGORITHMIC_RID_BASE,"sambaAlgorithmicRidBase"},
113 { LDAP_ATTR_OBJCLASS, "objectClass" },
114 { LDAP_ATTR_LIST_END, NULL },
115 };
116
117 /* Samba 3.0 group mapping attributes */
118
119 ATTRIB_MAP_ENTRY groupmap_attr_list[] = {
120 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
121 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
122 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
123 { LDAP_ATTR_DESC, "description" },
124 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
125 { LDAP_ATTR_CN, "cn" },
126 { LDAP_ATTR_OBJCLASS, "objectClass" },
127 { LDAP_ATTR_LIST_END, NULL }
128 };
129
130 ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete[] = {
131 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
132 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
133 { LDAP_ATTR_DESC, "description" },
134 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
135 { LDAP_ATTR_LIST_END, NULL }
136 };
137
138 /* idmap_ldap sambaUnixIdPool */
139
140 ATTRIB_MAP_ENTRY idpool_attr_list[] = {
141 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
142 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
143 { LDAP_ATTR_OBJCLASS, "objectClass" },
144 { LDAP_ATTR_LIST_END, NULL }
145 };
146
147 ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
148 { LDAP_ATTR_SID, LDAP_ATTRIBUTE_SID },
149 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
150 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
151 { LDAP_ATTR_OBJCLASS, "objectClass" },
152 { LDAP_ATTR_LIST_END, NULL }
153 };
154
155 /**********************************************************************
156 perform a simple table lookup and return the attribute name
157 **********************************************************************/
158
159 const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key )
160 {
161 int i = 0;
162
163 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
164 if ( table[i].attrib == key )
165 return table[i].name;
166 i++;
167 }
168
169 return NULL;
170 }
171
172
173 /**********************************************************************
174 Return the list of attribute names from a mapping table
175 **********************************************************************/
176
177 char** get_attr_list( ATTRIB_MAP_ENTRY table[] )
178 {
179 char **names;
180 int i = 0;
181
182 while ( table[i].attrib != LDAP_ATTR_LIST_END )
183 i++;
184 i++;
185
186 names = (char**)malloc( sizeof(char*)*i );
187 if ( !names ) {
188 DEBUG(0,("get_attr_list: out of memory\n"));
189 return NULL;
190 }
191
192 i = 0;
193 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
194 names[i] = strdup( table[i].name );
195 i++;
196 }
197 names[i] = NULL;
198
199 return names;
200 }
201
202 /*********************************************************************
203 Cleanup
204 ********************************************************************/
205
206 void free_attr_list( char **list )
207 {
208 int i = 0;
209
210 if ( !list )
211 return;
212
213 while ( list[i] ) {
214 SAFE_FREE( list[i] );
215 i+=1;
216 }
217
218 SAFE_FREE( list );
219 }
220
221 /*******************************************************************
222 find the ldap password
223 ******************************************************************/
224 BOOL fetch_ldap_pw(char **dn, char** pw)
225 {
226 char *key = NULL;
227 size_t size;
228
229 *dn = smb_xstrdup(lp_ldap_admin_dn());
230
231 if (asprintf(&key, "%s/%s", SECRETS_LDAP_BIND_PW, *dn) < 0) {
232 SAFE_FREE(*dn);
233 DEBUG(0, ("fetch_ldap_pw: asprintf failed!\n"));
234 }
235
236 *pw=secrets_fetch(key, &size);
237 SAFE_FREE(key);
238
239 if (!size) {
240 /* Upgrade 2.2 style entry */
241 char *p;
242 char* old_style_key = strdup(*dn);
243 char *data;
244 fstring old_style_pw;
245
246 if (!old_style_key) {
247 DEBUG(0, ("fetch_ldap_pw: strdup failed!\n"));
248 return False;
249 }
250
251 for (p=old_style_key; *p; p++)
252 if (*p == ',') *p = '/';
253
254 data=secrets_fetch(old_style_key, &size);
255 if (!size && size < sizeof(old_style_pw)) {
256 DEBUG(0,("fetch_ldap_pw: neither ldap secret retrieved!\n"));
257 SAFE_FREE(old_style_key);
258 SAFE_FREE(*dn);
259 return False;
260 }
261
262 size = MIN(size, sizeof(fstring)-1);
263 strncpy(old_style_pw, data, size);
264 old_style_pw[size] = 0;
265
266 SAFE_FREE(data);
267
268 if (!secrets_store_ldap_pw(*dn, old_style_pw)) {
269 DEBUG(0,("fetch_ldap_pw: ldap secret could not be upgraded!\n"));
270 SAFE_FREE(old_style_key);
271 SAFE_FREE(*dn);
272 return False;
273 }
274 if (!secrets_delete(old_style_key)) {
275 DEBUG(0,("fetch_ldap_pw: old ldap secret could not be deleted!\n"));
276 }
277
278 SAFE_FREE(old_style_key);
279
280 *pw = smb_xstrdup(old_style_pw);
281 }
282
283 return True;
284 }
285
286 /*******************************************************************
287 Search an attribute and return the first value found.
288 ******************************************************************/
289
290 BOOL smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
291 const char *attribute, pstring value)
292 {
293 char **values;
294
295 if ( !attribute )
296 return False;
297
298 value[0] = '\0';
299
300 if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) {
301 DEBUG (10, ("smbldap_get_single_attribute: [%s] = [<does not exist>]\n", attribute));
302
303 return False;
304 }
305
306 if (convert_string(CH_UTF8, CH_UNIX,values[0], -1, value, sizeof(pstring)) == (size_t)-1) {
307 DEBUG(1, ("smbldap_get_single_attribute: string conversion of [%s] = [%s] failed!\n",
308 attribute, values[0]));
309 ldap_value_free(values);
310 return False;
311 }
312
313 ldap_value_free(values);
314 #ifdef DEBUG_PASSWORDS
315 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n", attribute, value));
316 #endif
317 return True;
318 }
319
320 /************************************************************************
321 Routine to manage the LDAPMod structure array
322 manage memory used by the array, by each struct, and values
323 ***********************************************************************/
324
325 void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
326 {
327 LDAPMod **mods;
328 int i;
329 int j;
330
331 mods = *modlist;
332
333 /* sanity checks on the mod values */
334
335 if (attribute == NULL || *attribute == '\0')
336 return;
337 #if 0 /* commented out after discussion with abartlet. Do not reenable.
338 left here so other so re-add similar code --jerry */
339 if (value == NULL || *value == '\0')
340 return;
341 #endif
342
343 if (mods == NULL)
344 {
345 mods = (LDAPMod **) malloc(sizeof(LDAPMod *));
346 if (mods == NULL)
347 {
348 DEBUG(0, ("make_a_mod: out of memory!\n"));
349 return;
350 }
351 mods[0] = NULL;
352 }
353
354 for (i = 0; mods[i] != NULL; ++i) {
355 if (mods[i]->mod_op == modop && strequal(mods[i]->mod_type, attribute))
356 break;
357 }
358
359 if (mods[i] == NULL)
360 {
361 mods = (LDAPMod **) Realloc (mods, (i + 2) * sizeof (LDAPMod *));
362 if (mods == NULL)
363 {
364 DEBUG(0, ("make_a_mod: out of memory!\n"));
365 return;
366 }
367 mods[i] = (LDAPMod *) malloc(sizeof(LDAPMod));
368 if (mods[i] == NULL)
369 {
370 DEBUG(0, ("make_a_mod: out of memory!\n"));
371 return;
372 }
373 mods[i]->mod_op = modop;
374 mods[i]->mod_values = NULL;
375 mods[i]->mod_type = strdup(attribute);
376 mods[i + 1] = NULL;
377 }
378
379 if (value != NULL)
380 {
381 char *utf8_value = NULL;
382
383 j = 0;
384 if (mods[i]->mod_values != NULL) {
385 for (; mods[i]->mod_values[j] != NULL; j++);
386 }
387 mods[i]->mod_values = (char **)Realloc(mods[i]->mod_values,
388 (j + 2) * sizeof (char *));
389
390 if (mods[i]->mod_values == NULL) {
391 DEBUG (0, ("make_a_mod: Memory allocation failure!\n"));
392 return;
393 }
394
395 if (push_utf8_allocate(&utf8_value, value) == (size_t)-1) {
396 DEBUG (0, ("make_a_mod: String conversion failure!\n"));
397 return;
398 }
399
400 mods[i]->mod_values[j] = utf8_value;
401
402 mods[i]->mod_values[j + 1] = NULL;
403 }
404 *modlist = mods;
405 }
406
407 /**********************************************************************
408 Set attribute to newval in LDAP, regardless of what value the
409 attribute had in LDAP before.
410 *********************************************************************/
411
412 void smbldap_make_mod(LDAP *ldap_struct, LDAPMessage *existing,
413 LDAPMod ***mods,
414 const char *attribute, const char *newval)
415 {
416 pstring oldval;
417 BOOL existed;
418
419 if (existing != NULL) {
420 existed = smbldap_get_single_attribute(ldap_struct, existing, attribute, oldval);
421 } else {
422 existed = False;
423 *oldval = '\0';
424 }
425
426 /* all of our string attributes are case insensitive */
427
428 if (existed && (StrCaseCmp(oldval, newval) == 0)) {
429
430 /* Believe it or not, but LDAP will deny a delete and
431 an add at the same time if the values are the
432 same... */
433 return;
434 }
435
436 /* Regardless of the real operation (add or modify)
437 we add the new value here. We rely on deleting
438 the old value, should it exist. */
439
440 if ((newval != NULL) && (strlen(newval) > 0)) {
441 smbldap_set_mod(mods, LDAP_MOD_ADD, attribute, newval);
442 }
443
444 if (!existed) {
445 /* There has been no value before, so don't delete it.
446 Here's a possible race: We might end up with
447 duplicate attributes */
448 return;
449 }
450
451 /* By deleting exactly the value we found in the entry this
452 should be race-free in the sense that the LDAP-Server will
453 deny the complete operation if somebody changed the
454 attribute behind our back. */
455
456 smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, oldval);
457 }
458
459 /**********************************************************************
460 Some varients of the LDAP rebind code do not pass in the third 'arg'
461 pointer to a void*, so we try and work around it by assuming that the
462 value of the 'LDAP *' pointer is the same as the one we had passed in
463 **********************************************************************/
464
465 struct smbldap_state_lookup {
466 LDAP *ld;
467 struct smbldap_state *smbldap_state;
468 struct smbldap_state_lookup *prev, *next;
469 };
470
471 static struct smbldap_state_lookup *smbldap_state_lookup_list;
472
473 static struct smbldap_state *smbldap_find_state(LDAP *ld)
474 {
475 struct smbldap_state_lookup *t;
476
477 for (t = smbldap_state_lookup_list; t; t = t->next) {
478 if (t->ld == ld) {
479 return t->smbldap_state;
480 }
481 }
482 return NULL;
483 }
484
485 static void smbldap_delete_state(struct smbldap_state *smbldap_state)
486 {
487 struct smbldap_state_lookup *t;
488
489 for (t = smbldap_state_lookup_list; t; t = t->next) {
490 if (t->smbldap_state == smbldap_state) {
491 DLIST_REMOVE(smbldap_state_lookup_list, t);
492 SAFE_FREE(t);
493 return;
494 }
495 }
496 }
497
498 static void smbldap_store_state(LDAP *ld, struct smbldap_state *smbldap_state)
499 {
500 struct smbldap_state *tmp_ldap_state;
501 struct smbldap_state_lookup *t;
502 struct smbldap_state_lookup *tmp;
503
504 if ((tmp_ldap_state = smbldap_find_state(ld))) {
505 SMB_ASSERT(tmp_ldap_state == smbldap_state);
506 return;
507 }
508
509 t = smb_xmalloc(sizeof(*t));
510 ZERO_STRUCTP(t);
511
512 DLIST_ADD_END(smbldap_state_lookup_list, t, tmp);
513 t->ld = ld;
514 t->smbldap_state = smbldap_state;
515 }
516
517 /*******************************************************************
518 open a connection to the ldap server.
519 ******************************************************************/
520 static int smbldap_open_connection (struct smbldap_state *ldap_state)
521
522 {
523 int rc = LDAP_SUCCESS;
524 int version;
525 BOOL ldap_v3 = False;
526 LDAP **ldap_struct = &ldap_state->ldap_struct;
527
528 #ifdef HAVE_LDAP_INITIALIZE
529 DEBUG(10, ("smbldap_open_connection: %s\n", ldap_state->uri));
530
531 if ((rc = ldap_initialize(ldap_struct, ldap_state->uri)) != LDAP_SUCCESS) {
532 DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc)));
533 return rc;
534 }
535 #else
536
537 /* Parse the string manually */
538
539 {
540 int port = 0;
541 fstring protocol;
542 fstring host;
543 const char *p = ldap_state->uri;
544 SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254);
545
546 /* skip leading "URL:" (if any) */
547 if ( strnequal( p, "URL:", 4 ) ) {
548 p += 4;
549 }
550
551 sscanf(p, "%10[^:]://%254[^:/]:%d", protocol, host, &port);
552
553 if (port == 0) {
554 if (strequal(protocol, "ldap")) {
555 port = LDAP_PORT;
556 } else if (strequal(protocol, "ldaps")) {
557 port = LDAPS_PORT;
558 } else {
559 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol));
560 }
561 }
562
563 if ((*ldap_struct = ldap_init(host, port)) == NULL) {
564 DEBUG(0, ("ldap_init failed !\n"));
565 return LDAP_OPERATIONS_ERROR;
566 }
567
568 if (strequal(protocol, "ldaps")) {
569 #ifdef LDAP_OPT_X_TLS
570 int tls = LDAP_OPT_X_TLS_HARD;
571 if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
572 {
573 DEBUG(0, ("Failed to setup a TLS session\n"));
574 }
575
576 DEBUG(3,("LDAPS option set...!\n"));
577 #else
578 DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
579 return LDAP_OPERATIONS_ERROR;
580 #endif
581 }
582 }
583 #endif
584
585 /* Store the LDAP pointer in a lookup list */
586
587 smbldap_store_state(*ldap_struct, ldap_state);
588
589 /* Upgrade to LDAPv3 if possible */
590
591 if (ldap_get_option(*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS)
592 {
593 if (version != LDAP_VERSION3)
594 {
595 version = LDAP_VERSION3;
596 if (ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS) {
597 ldap_v3 = True;
598 }
599 } else {
600 ldap_v3 = True;
601 }
602 }
603
604 if (lp_ldap_ssl() == LDAP_SSL_START_TLS) {
605 #ifdef LDAP_OPT_X_TLS
606 if (ldap_v3) {
607 if ((rc = ldap_start_tls_s (*ldap_struct, NULL, NULL)) != LDAP_SUCCESS)
608 {
609 DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
610 ldap_err2string(rc)));
611 return rc;
612 }
613 DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
614 } else {
615
616 DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
617 return LDAP_OPERATIONS_ERROR;
618 }
619 #else
620 DEBUG(0,("smbldap_open_connection: StartTLS not supported by LDAP client libraries!\n"));
621 return LDAP_OPERATIONS_ERROR;
622 #endif
623 }
624
625 DEBUG(2, ("smbldap_open_connection: connection opened\n"));
626 return rc;
627 }
628
629
630 /*******************************************************************
631 a rebind function for authenticated referrals
632 This version takes a void* that we can shove useful stuff in :-)
633 ******************************************************************/
634 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
635 #else
636 static int rebindproc_with_state (LDAP * ld, char **whop, char **credp,
637 int *methodp, int freeit, void *arg)
638 {
639 struct smbldap_state *ldap_state = arg;
640
641 /** @TODO Should we be doing something to check what servers we rebind to?
642 Could we get a referral to a machine that we don't want to give our
643 username and password to? */
644
645 if (freeit) {
646 SAFE_FREE(*whop);
647 memset(*credp, '\0', strlen(*credp));
648 SAFE_FREE(*credp);
649 } else {
650 DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
651 ldap_state->bind_dn));
652
653 *whop = strdup(ldap_state->bind_dn);
654 if (!*whop) {
655 return LDAP_NO_MEMORY;
656 }
657 *credp = strdup(ldap_state->bind_secret);
658 if (!*credp) {
659 SAFE_FREE(*whop);
660 return LDAP_NO_MEMORY;
661 }
662 *methodp = LDAP_AUTH_SIMPLE;
663 }
664 return 0;
665 }
666 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
667
668 /*******************************************************************
669 a rebind function for authenticated referrals
670 This version takes a void* that we can shove useful stuff in :-)
671 and actually does the connection.
672 ******************************************************************/
673 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
674 static int rebindproc_connect_with_state (LDAP *ldap_struct,
675 LDAP_CONST char *url,
676 ber_tag_t request,
677 ber_int_t msgid, void *arg)
678 {
679 struct smbldap_state *ldap_state = arg;
680 int rc;
681 DEBUG(5,("rebindproc_connect_with_state: Rebinding as \"%s\"\n",
682 ldap_state->bind_dn));
683
684 /** @TODO Should we be doing something to check what servers we rebind to?
685 Could we get a referral to a machine that we don't want to give our
686 username and password to? */
687
688 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
689
690 return rc;
691 }
692 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
693
694 /*******************************************************************
695 Add a rebind function for authenticated referrals
696 ******************************************************************/
697 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
698 #else
699 # if LDAP_SET_REBIND_PROC_ARGS == 2
700 static int rebindproc (LDAP *ldap_struct, char **whop, char **credp,
701 int *method, int freeit )
702 {
703 struct smbldap_state *ldap_state = smbldap_find_state(ldap_struct);
704
705 return rebindproc_with_state(ldap_struct, whop, credp,
706 method, freeit, ldap_state);
707
708 }
709 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
710 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
711
712 /*******************************************************************
713 a rebind function for authenticated referrals
714 this also does the connection, but no void*.
715 ******************************************************************/
716 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
717 # if LDAP_SET_REBIND_PROC_ARGS == 2
718 static int rebindproc_connect (LDAP * ld, LDAP_CONST char *url, int request,
719 ber_int_t msgid)
720 {
721 struct smbldap_state *ldap_state = smbldap_find_state(ld);
722
723 return rebindproc_connect_with_state(ld, url, (ber_tag_t)request, msgid,
724 ldap_state);
725 }
726 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
727 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
728
729 /*******************************************************************
730 connect to the ldap server under system privilege.
731 ******************************************************************/
732 static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_struct)
733 {
734 int rc;
735 char *ldap_dn;
736 char *ldap_secret;
737
738 /* get the password */
739 if (!fetch_ldap_pw(&ldap_dn, &ldap_secret))
740 {
741 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
742 return LDAP_INVALID_CREDENTIALS;
743 }
744
745 ldap_state->bind_dn = ldap_dn;
746 ldap_state->bind_secret = ldap_secret;
747
748 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
749 (OpenLDAP) doesnt' seem to support it */
750
751 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
752 ldap_state->uri, ldap_dn));
753
754 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
755 # if LDAP_SET_REBIND_PROC_ARGS == 2
756 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect);
757 # endif
758 # if LDAP_SET_REBIND_PROC_ARGS == 3
759 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state);
760 # endif
761 #else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
762 # if LDAP_SET_REBIND_PROC_ARGS == 2
763 ldap_set_rebind_proc(ldap_struct, &rebindproc);
764 # endif
765 # if LDAP_SET_REBIND_PROC_ARGS == 3
766 ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state);
767 # endif
768 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
769
770 rc = ldap_simple_bind_s(ldap_struct, ldap_dn, ldap_secret);
771
772 if (rc != LDAP_SUCCESS) {
773 char *ld_error = NULL;
774 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
775 &ld_error);
776 DEBUG(ldap_state->num_failures ? 2 : 0,
777 ("failed to bind to server with dn= %s Error: %s\n\t%s\n",
778 ldap_dn ? ldap_dn : "(unknown)", ldap_err2string(rc),
779 ld_error ? ld_error : "(unknown)"));
780 SAFE_FREE(ld_error);
781 ldap_state->num_failures++;
782 return rc;
783 }
784
785 ldap_state->num_failures = 0;
786
787 DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n"));
788 return rc;
789 }
790
791 /**********************************************************************
792 Connect to LDAP server (called before every ldap operation)
793 *********************************************************************/
794 static int smbldap_open(struct smbldap_state *ldap_state)
795 {
796 int rc;
797 SMB_ASSERT(ldap_state);
798
799 #ifndef NO_LDAP_SECURITY
800 if (geteuid() != 0) {
801 DEBUG(0, ("smbldap_open: cannot access LDAP when not root..\n"));
802 return LDAP_INSUFFICIENT_ACCESS;
803 }
804 #endif
805
806 if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
807 struct sockaddr_un addr;
808 socklen_t len = sizeof(addr);
809 int sd;
810 if (ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd) == 0 &&
811 getpeername(sd, (struct sockaddr *) &addr, &len) < 0) {
812 /* the other end has died. reopen. */
813 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
814 ldap_state->ldap_struct = NULL;
815 ldap_state->last_ping = (time_t)0;
816 } else {
817 ldap_state->last_ping = time(NULL);
818 }
819 }
820
821 if (ldap_state->ldap_struct != NULL) {
822 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
823 return LDAP_SUCCESS;
824 }
825
826 if ((rc = smbldap_open_connection(ldap_state))) {
827 return rc;
828 }
829
830 if ((rc = smbldap_connect_system(ldap_state, ldap_state->ldap_struct))) {
831 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
832 ldap_state->ldap_struct = NULL;
833 return rc;
834 }
835
836
837 ldap_state->last_ping = time(NULL);
838 DEBUG(4,("The LDAP server is succesful connected\n"));
839
840 return LDAP_SUCCESS;
841 }
842
843 /**********************************************************************
844 Disconnect from LDAP server
845 *********************************************************************/
846 static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
847 {
848 if (!ldap_state)
849 return NT_STATUS_INVALID_PARAMETER;
850
851 if (ldap_state->ldap_struct != NULL) {
852 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
853 ldap_state->ldap_struct = NULL;
854 }
855
856 smbldap_delete_state(ldap_state);
857
858 DEBUG(5,("The connection to the LDAP server was closed\n"));
859 /* maybe free the results here --metze */
860
861
862
863 return NT_STATUS_OK;
864 }
865
866 int smbldap_retry_open(struct smbldap_state *ldap_state, int *attempts)
867 {
868 int rc;
869
870 SMB_ASSERT(ldap_state && attempts);
871
872 if (*attempts != 0) {
873 unsigned int sleep_time;
874 uint8 rand_byte;
875
876 /* Sleep for a random timeout */
877 rand_byte = (char)(sys_random());
878
879 sleep_time = (((*attempts)*(*attempts))/2)*rand_byte*2;
880 /* we retry after (0.5, 1, 2, 3, 4.5, 6) seconds
881 on average.
882 */
883 DEBUG(3, ("Sleeping for %u milliseconds before reconnecting\n",
884 sleep_time));
885 msleep(sleep_time);
886 }
887 (*attempts)++;
888
889 if ((rc = smbldap_open(ldap_state))) {
890 DEBUG(1,("Connection to LDAP Server failed for the %d try!\n",*attempts));
891 return rc;
892 }
893
894 return LDAP_SUCCESS;
895 }
896
897
898 /*********************************************************************
899 ********************************************************************/
900
901 int smbldap_search(struct smbldap_state *ldap_state,
902 const char *base, int scope, const char *filter,
903 char *attrs[], int attrsonly,
904 LDAPMessage **res)
905 {
906 int rc = LDAP_SERVER_DOWN;
907 int attempts = 0;
908 char *utf8_filter;
909
910 SMB_ASSERT(ldap_state);
911
912 if (push_utf8_allocate(&utf8_filter, filter) == (size_t)-1) {
913 return LDAP_NO_MEMORY;
914 }
915
916 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
917
918 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
919 continue;
920
921 rc = ldap_search_s(ldap_state->ldap_struct, base, scope,
922 utf8_filter, attrs, attrsonly, res);
923 }
924
925 if (rc == LDAP_SERVER_DOWN) {
926 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
927 smbldap_close(ldap_state);
928 }
929
930 ldap_state->last_use = time(NULL);
931
932 SAFE_FREE(utf8_filter);
933 return rc;
934 }
935
936 int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
937 {
938 int rc = LDAP_SERVER_DOWN;
939 int attempts = 0;
940 char *utf8_dn;
941
942 SMB_ASSERT(ldap_state);
943
944 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
945 return LDAP_NO_MEMORY;
946 }
947
948 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
949
950 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
951 continue;
952
953 rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs);
954 }
955
956 if (rc == LDAP_SERVER_DOWN) {
957 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
958 smbldap_close(ldap_state);
959 }
960
961 ldap_state->last_use = time(NULL);
962
963 SAFE_FREE(utf8_dn);
964 return rc;
965 }
966
967 int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
968 {
969 int rc = LDAP_SERVER_DOWN;
970 int attempts = 0;
971 char *utf8_dn;
972
973 SMB_ASSERT(ldap_state);
974
975 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
976 return LDAP_NO_MEMORY;
977 }
978
979 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
980
981 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
982 continue;
983
984 rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs);
985 }
986
987 if (rc == LDAP_SERVER_DOWN) {
988 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
989 smbldap_close(ldap_state);
990 }
991
992 ldap_state->last_use = time(NULL);
993
994 SAFE_FREE(utf8_dn);
995 return rc;
996 }
997
998 int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
999 {
1000 int rc = LDAP_SERVER_DOWN;
1001 int attempts = 0;
1002 char *utf8_dn;
1003
1004 SMB_ASSERT(ldap_state);
1005
1006 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1007 return LDAP_NO_MEMORY;
1008 }
1009
1010 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1011
1012 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1013 continue;
1014
1015 rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn);
1016 }
1017
1018 if (rc == LDAP_SERVER_DOWN) {
1019 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1020 smbldap_close(ldap_state);
1021 }
1022
1023 ldap_state->last_use = time(NULL);
1024
1025 SAFE_FREE(utf8_dn);
1026 return rc;
1027 }
1028
1029 int smbldap_extended_operation(struct smbldap_state *ldap_state,
1030 LDAP_CONST char *reqoid, struct berval *reqdata,
1031 LDAPControl **serverctrls, LDAPControl **clientctrls,
1032 char **retoidp, struct berval **retdatap)
1033 {
1034 int rc = LDAP_SERVER_DOWN;
1035 int attempts = 0;
1036
1037 if (!ldap_state)
1038 return (-1);
1039
1040 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1041
1042 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1043 continue;
1044
1045 rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid, reqdata,
1046 serverctrls, clientctrls, retoidp, retdatap);
1047 }
1048
1049 if (rc == LDAP_SERVER_DOWN) {
1050 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1051 smbldap_close(ldap_state);
1052 }
1053
1054 ldap_state->last_use = time(NULL);
1055
1056 return rc;
1057 }
1058
1059 /*******************************************************************
1060 run the search by name.
1061 ******************************************************************/
1062 int smbldap_search_suffix (struct smbldap_state *ldap_state, const char *filter,
1063 char **search_attr, LDAPMessage ** result)
1064 {
1065 int scope = LDAP_SCOPE_SUBTREE;
1066 int rc;
1067
1068 DEBUG(2, ("smbldap_search_suffix: searching for:[%s]\n", filter));
1069
1070 rc = smbldap_search(ldap_state, lp_ldap_suffix(), scope, filter, search_attr, 0, result);
1071
1072 if (rc != LDAP_SUCCESS) {
1073 char *ld_error = NULL;
1074 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1075 &ld_error);
1076 DEBUG(0,("smbldap_search_suffix: Problem during the LDAP search: %s (%s)\n",
1077 ld_error?ld_error:"(unknown)", ldap_err2string (rc)));
1078 DEBUG(3,("smbldap_search_suffix: Query was: %s, %s\n", lp_ldap_suffix(),
1079 filter));
1080 SAFE_FREE(ld_error);
1081 }
1082
1083 return rc;
1084 }
1085
1086 static void smbldap_idle_fn(void **data, time_t *interval, time_t now)
1087 {
1088 struct smbldap_state *state = (struct smbldap_state *)(*data);
1089
1090 if (state->ldap_struct == NULL) {
1091 DEBUG(10,("ldap connection not connected...\n"));
1092 return;
1093 }
1094
1095 if ((state->last_use+SMBLDAP_IDLE_TIME) > now) {
1096 DEBUG(10,("ldap connection not idle...\n"));
1097 return;
1098 }
1099
1100 DEBUG(7,("ldap connection idle...closing connection\n"));
1101 smbldap_close(state);
1102 }
1103
1104 /**********************************************************************
1105 Housekeeping
1106 *********************************************************************/
1107
1108 void smbldap_free_struct(struct smbldap_state **ldap_state)
1109 {
1110 smbldap_close(*ldap_state);
1111
1112 if ((*ldap_state)->bind_secret) {
1113 memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret));
1114 }
1115
1116 SAFE_FREE((*ldap_state)->bind_dn);
1117 SAFE_FREE((*ldap_state)->bind_secret);
1118
1119 smb_unregister_idle_event((*ldap_state)->event_id);
1120
1121 *ldap_state = NULL;
1122
1123 /* No need to free any further, as it is talloc()ed */
1124 }
1125
1126
1127 /**********************************************************************
1128 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1129 *********************************************************************/
1130
1131 NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, const char *location, struct smbldap_state **smbldap_state)
1132 {
1133 *smbldap_state = talloc_zero(mem_ctx, sizeof(**smbldap_state));
1134 if (!*smbldap_state) {
1135 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1136 return NT_STATUS_NO_MEMORY;
1137 }
1138
1139 if (location) {
1140 (*smbldap_state)->uri = talloc_strdup(mem_ctx, location);
1141 } else {
1142 (*smbldap_state)->uri = "ldap://localhost";
1143 }
1144
1145 (*smbldap_state)->event_id =
1146 smb_register_idle_event(smbldap_idle_fn, (void *)(*smbldap_state),
1147 SMBLDAP_IDLE_TIME);
1148
1149 if ((*smbldap_state)->event_id == SMB_EVENT_ID_INVALID) {
1150 DEBUG(0,("Failed to register LDAP idle event!\n"));
1151 return NT_STATUS_INVALID_HANDLE;
1152 }
1153
1154 return NT_STATUS_OK;
1155 }
1156
1157 /**********************************************************************
1158 Add the sambaDomain to LDAP, so we don't have to search for this stuff
1159 again. This is a once-add operation for now.
1160
1161 TODO: Add other attributes, and allow modification.
1162 *********************************************************************/
1163 static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
1164 const char *domain_name)
1165 {
1166 fstring sid_string;
1167 fstring algorithmic_rid_base_string;
1168 pstring filter, dn;
1169 LDAPMod **mods = NULL;
1170 int rc;
1171 int ldap_op;
1172 LDAPMessage *result = NULL;
1173 int num_result;
1174 char **attr_list;
1175 uid_t u_low, u_high;
1176 gid_t g_low, g_high;
1177 uint32 rid_low, rid_high;
1178
1179 slprintf (filter, sizeof (filter) - 1, "(&(%s=%s)(objectclass=%s))",
1180 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1181 domain_name, LDAP_OBJ_DOMINFO);
1182
1183 attr_list = get_attr_list( dominfo_attr_list );
1184 rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
1185 free_attr_list( attr_list );
1186
1187 if (rc != LDAP_SUCCESS) {
1188 return NT_STATUS_UNSUCCESSFUL;
1189 }
1190
1191 num_result = ldap_count_entries(ldap_state->ldap_struct, result);
1192
1193 if (num_result > 1) {
1194 DEBUG (0, ("More than domain with that name exists: bailing out!\n"));
1195 ldap_msgfree(result);
1196 return NT_STATUS_UNSUCCESSFUL;
1197 }
1198
1199 /* Check if we need to add an entry */
1200 DEBUG(3,("Adding new domain\n"));
1201 ldap_op = LDAP_MOD_ADD;
1202
1203 pstr_sprintf(dn, "%s=%s,%s", get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1204 domain_name, lp_ldap_suffix());
1205
1206 /* Free original search */
1207 ldap_msgfree(result);
1208
1209 /* make the changes - the entry *must* not already have samba attributes */
1210 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1211 domain_name);
1212
1213 /* If we don't have an entry, then ask secrets.tdb for what it thinks.
1214 It may choose to make it up */
1215
1216 sid_to_string(sid_string, get_global_sam_sid());
1217 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOM_SID), sid_string);
1218
1219 slprintf(algorithmic_rid_base_string, sizeof(algorithmic_rid_base_string) - 1, "%i", algorithmic_rid_base());
1220 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_ALGORITHMIC_RID_BASE),
1221 algorithmic_rid_base_string);
1222 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);
1223
1224 /* add the sambaNext[User|Group]Rid attributes if the idmap ranges are set.
1225 TODO: fix all the places where the line between idmap and normal operations
1226 needed by smbd gets fuzzy --jerry 2003-08-11 */
1227
1228 if ( lp_idmap_uid(&u_low, &u_high) && lp_idmap_gid(&g_low, &g_high)
1229 && get_free_rid_range(&rid_low, &rid_high) )
1230 {
1231 fstring rid_str;
1232
1233 fstr_sprintf( rid_str, "%i", rid_high|USER_RID_TYPE );
1234 DEBUG(10,("setting next available user rid [%s]\n", rid_str));
1235 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1236 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_USERRID),
1237 rid_str);
1238
1239 fstr_sprintf( rid_str, "%i", rid_high|GROUP_RID_TYPE );
1240 DEBUG(10,("setting next available group rid [%s]\n", rid_str));
1241 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1242 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_GROUPRID),
1243 rid_str);
1244
1245 }
1246
1247
1248 switch(ldap_op)
1249 {
1250 case LDAP_MOD_ADD:
1251 rc = smbldap_add(ldap_state, dn, mods);
1252 break;
1253 case LDAP_MOD_REPLACE:
1254 rc = smbldap_modify(ldap_state, dn, mods);
1255 break;
1256 default:
1257 DEBUG(0,("Wrong LDAP operation type: %d!\n", ldap_op));
1258 return NT_STATUS_INVALID_PARAMETER;
1259 }
1260
1261 if (rc!=LDAP_SUCCESS) {
1262 char *ld_error = NULL;
1263 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
1264 DEBUG(1,("failed to %s domain dn= %s with: %s\n\t%s\n",
1265 ldap_op == LDAP_MOD_ADD ? "add" : "modify",
1266 dn, ldap_err2string(rc),
1267 ld_error?ld_error:"unknown"));
1268 SAFE_FREE(ld_error);
1269
1270 ldap_mods_free(mods, True);
1271 return NT_STATUS_UNSUCCESSFUL;
1272 }
1273
1274 DEBUG(2,("added: domain = %s in the LDAP database\n", domain_name));
1275 ldap_mods_free(mods, True);
1276 return NT_STATUS_OK;
1277 }
1278
1279 /**********************************************************************
1280 Search for the domain info entry
1281 *********************************************************************/
1282 NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
1283 LDAPMessage ** result, const char *domain_name,
1284 BOOL try_add)
1285 {
1286 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1287 pstring filter;
1288 int rc;
1289 char **attr_list;
1290 int count;
1291
1292 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
1293 LDAP_OBJ_DOMINFO,
1294 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1295 domain_name);
1296
1297 DEBUG(2, ("Searching for:[%s]\n", filter));
1298
1299
1300 attr_list = get_attr_list( dominfo_attr_list );
1301 rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
1302 free_attr_list( attr_list );
1303
1304 if (rc != LDAP_SUCCESS) {
1305 DEBUG(2,("Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
1306 DEBUG(2,("Query was: %s, %s\n", lp_ldap_suffix(), filter));
1307 } else if (ldap_count_entries(ldap_state->ldap_struct, *result) < 1) {
1308 DEBUG(3, ("Got no domain info entries for domain\n"));
1309 ldap_msgfree(*result);
1310 *result = NULL;
1311 if (try_add && NT_STATUS_IS_OK(ret = add_new_domain_info(ldap_state, domain_name))) {
1312 return smbldap_search_domain_info(ldap_state, result, domain_name, False);
1313 }
1314 else {
1315 DEBUG(0, ("Adding domain info for %s failed with %s\n",
1316 domain_name, nt_errstr(ret)));
1317 return ret;
1318 }
1319 } else if ((count = ldap_count_entries(ldap_state->ldap_struct, *result)) > 1) {
1320 DEBUG(0, ("Got too many (%d) domain info entries for domain %s\n",
1321 count, domain_name));
1322 ldap_msgfree(*result);
1323 *result = NULL;
1324 return ret;
1325 } else {
1326 return NT_STATUS_OK;
1327 }
1328
1329 return ret;
1330 }
1331
1332 /*******************************************************************
1333 Return a copy of the DN for a LDAPMessage. Convert from utf8 to CH_UNIX.
1334 ********************************************************************/
1335
1336 char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
1337 {
1338 char *utf8_dn, *unix_dn;
1339
1340 utf8_dn = ldap_get_dn(ld, entry);
1341 if (!utf8_dn) {
1342 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1343 return NULL;
1344 }
1345 if (pull_utf8_allocate((void **) &unix_dn, utf8_dn) == (size_t)-1) {
1346 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 [%s]\n", utf8_dn));
1347 return NULL;
1348 }
1349 ldap_memfree(utf8_dn);
1350 return unix_dn;
1351 }
reg import