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r1395: important merge from 3.0 before rc1
[Samba/gbeck.git] / source / lib / smbldap.c
blobf07187c68a0313fe3466327fe708b6bc1e15db91
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 allocating 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_SID_LIST, "sambaSIDList" },
126 { LDAP_ATTR_DESC, "description" },
127 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
128 { LDAP_ATTR_CN, "cn" },
129 { LDAP_ATTR_OBJCLASS, "objectClass" },
130 { LDAP_ATTR_LIST_END, NULL }
131 };
132
133 ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete[] = {
134 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
135 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
136 { LDAP_ATTR_DESC, "description" },
137 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
138 { LDAP_ATTR_SID_LIST, "sambaSIDList" },
139 { LDAP_ATTR_LIST_END, NULL }
140 };
141
142 /* idmap_ldap sambaUnixIdPool */
143
144 ATTRIB_MAP_ENTRY idpool_attr_list[] = {
145 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
146 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
147 { LDAP_ATTR_OBJCLASS, "objectClass" },
148 { LDAP_ATTR_LIST_END, NULL }
149 };
150
151 ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
152 { LDAP_ATTR_SID, LDAP_ATTRIBUTE_SID },
153 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
154 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
155 { LDAP_ATTR_OBJCLASS, "objectClass" },
156 { LDAP_ATTR_LIST_END, NULL }
157 };
158
159 /**********************************************************************
160 perform a simple table lookup and return the attribute name
161 **********************************************************************/
162
163 const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key )
164 {
165 int i = 0;
166
167 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
168 if ( table[i].attrib == key )
169 return table[i].name;
170 i++;
171 }
172
173 return NULL;
174 }
175
176
177 /**********************************************************************
178 Return the list of attribute names from a mapping table
179 **********************************************************************/
180
181 char** get_attr_list( ATTRIB_MAP_ENTRY table[] )
182 {
183 char **names;
184 int i = 0;
185
186 while ( table[i].attrib != LDAP_ATTR_LIST_END )
187 i++;
188 i++;
189
190 names = (char**)malloc( sizeof(char*)*i );
191 if ( !names ) {
192 DEBUG(0,("get_attr_list: out of memory\n"));
193 return NULL;
194 }
195
196 i = 0;
197 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
198 names[i] = strdup( table[i].name );
199 i++;
200 }
201 names[i] = NULL;
202
203 return names;
204 }
205
206 /*********************************************************************
207 Cleanup
208 ********************************************************************/
209
210 void free_attr_list( char **list )
211 {
212 int i = 0;
213
214 if ( !list )
215 return;
216
217 while ( list[i] ) {
218 SAFE_FREE( list[i] );
219 i+=1;
220 }
221
222 SAFE_FREE( list );
223 }
224
225 /*******************************************************************
226 find the ldap password
227 ******************************************************************/
228 static BOOL fetch_ldap_pw(char **dn, char** pw)
229 {
230 char *key = NULL;
231 size_t size;
232
233 *dn = smb_xstrdup(lp_ldap_admin_dn());
234
235 if (asprintf(&key, "%s/%s", SECRETS_LDAP_BIND_PW, *dn) < 0) {
236 SAFE_FREE(*dn);
237 DEBUG(0, ("fetch_ldap_pw: asprintf failed!\n"));
238 }
239
240 *pw=secrets_fetch(key, &size);
241 SAFE_FREE(key);
242
243 if (!size) {
244 /* Upgrade 2.2 style entry */
245 char *p;
246 char* old_style_key = strdup(*dn);
247 char *data;
248 fstring old_style_pw;
249
250 if (!old_style_key) {
251 DEBUG(0, ("fetch_ldap_pw: strdup failed!\n"));
252 return False;
253 }
254
255 for (p=old_style_key; *p; p++)
256 if (*p == ',') *p = '/';
257
258 data=secrets_fetch(old_style_key, &size);
259 if (!size && size < sizeof(old_style_pw)) {
260 DEBUG(0,("fetch_ldap_pw: neither ldap secret retrieved!\n"));
261 SAFE_FREE(old_style_key);
262 SAFE_FREE(*dn);
263 return False;
264 }
265
266 size = MIN(size, sizeof(fstring)-1);
267 strncpy(old_style_pw, data, size);
268 old_style_pw[size] = 0;
269
270 SAFE_FREE(data);
271
272 if (!secrets_store_ldap_pw(*dn, old_style_pw)) {
273 DEBUG(0,("fetch_ldap_pw: ldap secret could not be upgraded!\n"));
274 SAFE_FREE(old_style_key);
275 SAFE_FREE(*dn);
276 return False;
277 }
278 if (!secrets_delete(old_style_key)) {
279 DEBUG(0,("fetch_ldap_pw: old ldap secret could not be deleted!\n"));
280 }
281
282 SAFE_FREE(old_style_key);
283
284 *pw = smb_xstrdup(old_style_pw);
285 }
286
287 return True;
288 }
289
290 /*******************************************************************
291 Search an attribute and return the first value found.
292 ******************************************************************/
293
294 BOOL smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
295 const char *attribute, char *value,
296 int max_len)
297 {
298 char **values;
299
300 if ( !attribute )
301 return False;
302
303 value[0] = '\0';
304
305 if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) {
306 DEBUG (10, ("smbldap_get_single_attribute: [%s] = [<does not exist>]\n", attribute));
307
308 return False;
309 }
310
311 if (convert_string(CH_UTF8, CH_UNIX,values[0], -1, value, max_len, False) == (size_t)-1) {
312 DEBUG(1, ("smbldap_get_single_attribute: string conversion of [%s] = [%s] failed!\n",
313 attribute, values[0]));
314 ldap_value_free(values);
315 return False;
316 }
317
318 ldap_value_free(values);
319 #ifdef DEBUG_PASSWORDS
320 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n", attribute, value));
321 #endif
322 return True;
323 }
324
325 BOOL smbldap_get_single_pstring (LDAP * ldap_struct, LDAPMessage * entry,
326 const char *attribute, pstring value)
327 {
328 return smbldap_get_single_attribute(ldap_struct, entry,
329 attribute, value,
330 sizeof(pstring));
331 }
332
333 /************************************************************************
334 Routine to manage the LDAPMod structure array
335 manage memory used by the array, by each struct, and values
336 ***********************************************************************/
337
338 void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
339 {
340 LDAPMod **mods;
341 int i;
342 int j;
343
344 mods = *modlist;
345
346 /* sanity checks on the mod values */
347
348 if (attribute == NULL || *attribute == '\0')
349 return;
350 #if 0 /* commented out after discussion with abartlet. Do not reenable.
351 left here so other so re-add similar code --jerry */
352 if (value == NULL || *value == '\0')
353 return;
354 #endif
355
356 if (mods == NULL)
357 {
358 mods = (LDAPMod **) malloc(sizeof(LDAPMod *));
359 if (mods == NULL)
360 {
361 DEBUG(0, ("make_a_mod: out of memory!\n"));
362 return;
363 }
364 mods[0] = NULL;
365 }
366
367 for (i = 0; mods[i] != NULL; ++i) {
368 if (mods[i]->mod_op == modop && strequal(mods[i]->mod_type, attribute))
369 break;
370 }
371
372 if (mods[i] == NULL)
373 {
374 mods = (LDAPMod **) Realloc (mods, (i + 2) * sizeof (LDAPMod *));
375 if (mods == NULL)
376 {
377 DEBUG(0, ("make_a_mod: out of memory!\n"));
378 return;
379 }
380 mods[i] = (LDAPMod *) malloc(sizeof(LDAPMod));
381 if (mods[i] == NULL)
382 {
383 DEBUG(0, ("make_a_mod: out of memory!\n"));
384 return;
385 }
386 mods[i]->mod_op = modop;
387 mods[i]->mod_values = NULL;
388 mods[i]->mod_type = strdup(attribute);
389 mods[i + 1] = NULL;
390 }
391
392 if (value != NULL)
393 {
394 char *utf8_value = NULL;
395
396 j = 0;
397 if (mods[i]->mod_values != NULL) {
398 for (; mods[i]->mod_values[j] != NULL; j++);
399 }
400 mods[i]->mod_values = (char **)Realloc(mods[i]->mod_values,
401 (j + 2) * sizeof (char *));
402
403 if (mods[i]->mod_values == NULL) {
404 DEBUG (0, ("make_a_mod: Memory allocation failure!\n"));
405 return;
406 }
407
408 if (push_utf8_allocate(&utf8_value, value) == (size_t)-1) {
409 DEBUG (0, ("make_a_mod: String conversion failure!\n"));
410 return;
411 }
412
413 mods[i]->mod_values[j] = utf8_value;
414
415 mods[i]->mod_values[j + 1] = NULL;
416 }
417 *modlist = mods;
418 }
419
420 /**********************************************************************
421 Set attribute to newval in LDAP, regardless of what value the
422 attribute had in LDAP before.
423 *********************************************************************/
424
425 void smbldap_make_mod(LDAP *ldap_struct, LDAPMessage *existing,
426 LDAPMod ***mods,
427 const char *attribute, const char *newval)
428 {
429 char oldval[2048]; /* current largest allowed value is mungeddial */
430 BOOL existed;
431
432 if (existing != NULL) {
433 existed = smbldap_get_single_attribute(ldap_struct, existing, attribute, oldval, sizeof(oldval));
434 } else {
435 existed = False;
436 *oldval = '\0';
437 }
438
439 /* all of our string attributes are case insensitive */
440
441 if (existed && newval && (StrCaseCmp(oldval, newval) == 0)) {
442
443 /* Believe it or not, but LDAP will deny a delete and
444 an add at the same time if the values are the
445 same... */
446 return;
447 }
448
449 if (existed) {
450 /* There has been no value before, so don't delete it.
451 * Here's a possible race: We might end up with
452 * duplicate attributes */
453 /* By deleting exactly the value we found in the entry this
454 * should be race-free in the sense that the LDAP-Server will
455 * deny the complete operation if somebody changed the
456 * attribute behind our back. */
457 /* This will also allow modifying single valued attributes
458 * in Novell NDS. In NDS you have to first remove attribute and then
459 * you could add new value */
460
461 smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, oldval);
462 }
463
464 /* Regardless of the real operation (add or modify)
465 we add the new value here. We rely on deleting
466 the old value, should it exist. */
467
468 if ((newval != NULL) && (strlen(newval) > 0)) {
469 smbldap_set_mod(mods, LDAP_MOD_ADD, attribute, newval);
470 }
471 }
472
473 /**********************************************************************
474 Some varients of the LDAP rebind code do not pass in the third 'arg'
475 pointer to a void*, so we try and work around it by assuming that the
476 value of the 'LDAP *' pointer is the same as the one we had passed in
477 **********************************************************************/
478
479 struct smbldap_state_lookup {
480 LDAP *ld;
481 struct smbldap_state *smbldap_state;
482 struct smbldap_state_lookup *prev, *next;
483 };
484
485 static struct smbldap_state_lookup *smbldap_state_lookup_list;
486
487 static struct smbldap_state *smbldap_find_state(LDAP *ld)
488 {
489 struct smbldap_state_lookup *t;
490
491 for (t = smbldap_state_lookup_list; t; t = t->next) {
492 if (t->ld == ld) {
493 return t->smbldap_state;
494 }
495 }
496 return NULL;
497 }
498
499 static void smbldap_delete_state(struct smbldap_state *smbldap_state)
500 {
501 struct smbldap_state_lookup *t;
502
503 for (t = smbldap_state_lookup_list; t; t = t->next) {
504 if (t->smbldap_state == smbldap_state) {
505 DLIST_REMOVE(smbldap_state_lookup_list, t);
506 SAFE_FREE(t);
507 return;
508 }
509 }
510 }
511
512 static void smbldap_store_state(LDAP *ld, struct smbldap_state *smbldap_state)
513 {
514 struct smbldap_state *tmp_ldap_state;
515 struct smbldap_state_lookup *t;
516 struct smbldap_state_lookup *tmp;
517
518 if ((tmp_ldap_state = smbldap_find_state(ld))) {
519 SMB_ASSERT(tmp_ldap_state == smbldap_state);
520 return;
521 }
522
523 t = smb_xmalloc(sizeof(*t));
524 ZERO_STRUCTP(t);
525
526 DLIST_ADD_END(smbldap_state_lookup_list, t, tmp);
527 t->ld = ld;
528 t->smbldap_state = smbldap_state;
529 }
530
531 /*******************************************************************
532 open a connection to the ldap server.
533 ******************************************************************/
534 static int smbldap_open_connection (struct smbldap_state *ldap_state)
535
536 {
537 int rc = LDAP_SUCCESS;
538 int version;
539 BOOL ldap_v3 = False;
540 LDAP **ldap_struct = &ldap_state->ldap_struct;
541
542 #ifdef HAVE_LDAP_INITIALIZE
543 DEBUG(10, ("smbldap_open_connection: %s\n", ldap_state->uri));
544
545 if ((rc = ldap_initialize(ldap_struct, ldap_state->uri)) != LDAP_SUCCESS) {
546 DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc)));
547 return rc;
548 }
549 #else
550
551 /* Parse the string manually */
552
553 {
554 int port = 0;
555 fstring protocol;
556 fstring host;
557 const char *p = ldap_state->uri;
558 SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254);
559
560 /* skip leading "URL:" (if any) */
561 if ( strnequal( p, "URL:", 4 ) ) {
562 p += 4;
563 }
564
565 sscanf(p, "%10[^:]://%254[^:/]:%d", protocol, host, &port);
566
567 if (port == 0) {
568 if (strequal(protocol, "ldap")) {
569 port = LDAP_PORT;
570 } else if (strequal(protocol, "ldaps")) {
571 port = LDAPS_PORT;
572 } else {
573 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol));
574 }
575 }
576
577 if ((*ldap_struct = ldap_init(host, port)) == NULL) {
578 DEBUG(0, ("ldap_init failed !\n"));
579 return LDAP_OPERATIONS_ERROR;
580 }
581
582 if (strequal(protocol, "ldaps")) {
583 #ifdef LDAP_OPT_X_TLS
584 int tls = LDAP_OPT_X_TLS_HARD;
585 if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
586 {
587 DEBUG(0, ("Failed to setup a TLS session\n"));
588 }
589
590 DEBUG(3,("LDAPS option set...!\n"));
591 #else
592 DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
593 return LDAP_OPERATIONS_ERROR;
594 #endif
595 }
596 }
597 #endif
598
599 /* Store the LDAP pointer in a lookup list */
600
601 smbldap_store_state(*ldap_struct, ldap_state);
602
603 /* Upgrade to LDAPv3 if possible */
604
605 if (ldap_get_option(*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS)
606 {
607 if (version != LDAP_VERSION3)
608 {
609 version = LDAP_VERSION3;
610 if (ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS) {
611 ldap_v3 = True;
612 }
613 } else {
614 ldap_v3 = True;
615 }
616 }
617
618 if (lp_ldap_ssl() == LDAP_SSL_START_TLS) {
619 #ifdef LDAP_OPT_X_TLS
620 if (ldap_v3) {
621 if ((rc = ldap_start_tls_s (*ldap_struct, NULL, NULL)) != LDAP_SUCCESS)
622 {
623 DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
624 ldap_err2string(rc)));
625 return rc;
626 }
627 DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
628 } else {
629
630 DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
631 return LDAP_OPERATIONS_ERROR;
632 }
633 #else
634 DEBUG(0,("smbldap_open_connection: StartTLS not supported by LDAP client libraries!\n"));
635 return LDAP_OPERATIONS_ERROR;
636 #endif
637 }
638
639 DEBUG(2, ("smbldap_open_connection: connection opened\n"));
640 return rc;
641 }
642
643
644 /*******************************************************************
645 a rebind function for authenticated referrals
646 This version takes a void* that we can shove useful stuff in :-)
647 ******************************************************************/
648 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
649 #else
650 static int rebindproc_with_state (LDAP * ld, char **whop, char **credp,
651 int *methodp, int freeit, void *arg)
652 {
653 struct smbldap_state *ldap_state = arg;
654
655 /** @TODO Should we be doing something to check what servers we rebind to?
656 Could we get a referral to a machine that we don't want to give our
657 username and password to? */
658
659 if (freeit) {
660 SAFE_FREE(*whop);
661 memset(*credp, '\0', strlen(*credp));
662 SAFE_FREE(*credp);
663 } else {
664 DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
665 ldap_state->bind_dn));
666
667 *whop = strdup(ldap_state->bind_dn);
668 if (!*whop) {
669 return LDAP_NO_MEMORY;
670 }
671 *credp = strdup(ldap_state->bind_secret);
672 if (!*credp) {
673 SAFE_FREE(*whop);
674 return LDAP_NO_MEMORY;
675 }
676 *methodp = LDAP_AUTH_SIMPLE;
677 }
678
679 GetTimeOfDay(&ldap_state->last_rebind);
680
681 return 0;
682 }
683 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
684
685 /*******************************************************************
686 a rebind function for authenticated referrals
687 This version takes a void* that we can shove useful stuff in :-)
688 and actually does the connection.
689 ******************************************************************/
690 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
691 static int rebindproc_connect_with_state (LDAP *ldap_struct,
692 LDAP_CONST char *url,
693 ber_tag_t request,
694 ber_int_t msgid, void *arg)
695 {
696 struct smbldap_state *ldap_state = arg;
697 int rc;
698 DEBUG(5,("rebindproc_connect_with_state: Rebinding as \"%s\"\n",
699 ldap_state->bind_dn));
700
701 /** @TODO Should we be doing something to check what servers we rebind to?
702 Could we get a referral to a machine that we don't want to give our
703 username and password to? */
704
705 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
706
707 GetTimeOfDay(&ldap_state->last_rebind);
708
709 return rc;
710 }
711 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
712
713 /*******************************************************************
714 Add a rebind function for authenticated referrals
715 ******************************************************************/
716 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
717 #else
718 # if LDAP_SET_REBIND_PROC_ARGS == 2
719 static int rebindproc (LDAP *ldap_struct, char **whop, char **credp,
720 int *method, int freeit )
721 {
722 struct smbldap_state *ldap_state = smbldap_find_state(ldap_struct);
723
724 return rebindproc_with_state(ldap_struct, whop, credp,
725 method, freeit, ldap_state);
726
727 }
728 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
729 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
730
731 /*******************************************************************
732 a rebind function for authenticated referrals
733 this also does the connection, but no void*.
734 ******************************************************************/
735 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
736 # if LDAP_SET_REBIND_PROC_ARGS == 2
737 static int rebindproc_connect (LDAP * ld, LDAP_CONST char *url, int request,
738 ber_int_t msgid)
739 {
740 struct smbldap_state *ldap_state = smbldap_find_state(ld);
741
742 return rebindproc_connect_with_state(ld, url, (ber_tag_t)request, msgid,
743 ldap_state);
744 }
745 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
746 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
747
748 /*******************************************************************
749 connect to the ldap server under system privilege.
750 ******************************************************************/
751 static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_struct)
752 {
753 int rc;
754 char *ldap_dn;
755 char *ldap_secret;
756
757 /* get the password */
758 if (!fetch_ldap_pw(&ldap_dn, &ldap_secret)) {
759 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
760 return LDAP_INVALID_CREDENTIALS;
761 }
762
763 ldap_state->bind_dn = ldap_dn;
764 ldap_state->bind_secret = ldap_secret;
765
766 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
767 (OpenLDAP) doesnt' seem to support it */
768
769 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
770 ldap_state->uri, ldap_dn));
771
772 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
773 # if LDAP_SET_REBIND_PROC_ARGS == 2
774 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect);
775 # endif
776 # if LDAP_SET_REBIND_PROC_ARGS == 3
777 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state);
778 # endif
779 #else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
780 # if LDAP_SET_REBIND_PROC_ARGS == 2
781 ldap_set_rebind_proc(ldap_struct, &rebindproc);
782 # endif
783 # if LDAP_SET_REBIND_PROC_ARGS == 3
784 ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state);
785 # endif
786 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
787
788 rc = ldap_simple_bind_s(ldap_struct, ldap_dn, ldap_secret);
789
790 if (rc != LDAP_SUCCESS) {
791 char *ld_error = NULL;
792 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
793 &ld_error);
794 DEBUG(ldap_state->num_failures ? 2 : 0,
795 ("failed to bind to server with dn= %s Error: %s\n\t%s\n",
796 ldap_dn ? ldap_dn : "(unknown)", ldap_err2string(rc),
797 ld_error ? ld_error : "(unknown)"));
798 SAFE_FREE(ld_error);
799 ldap_state->num_failures++;
800 return rc;
801 }
802
803 ldap_state->num_failures = 0;
804
805 DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n"));
806 return rc;
807 }
808
809 /**********************************************************************
810 Connect to LDAP server (called before every ldap operation)
811 *********************************************************************/
812 static int smbldap_open(struct smbldap_state *ldap_state)
813 {
814 int rc;
815 SMB_ASSERT(ldap_state);
816
817 #ifndef NO_LDAP_SECURITY
818 if (geteuid() != 0) {
819 DEBUG(0, ("smbldap_open: cannot access LDAP when not root..\n"));
820 return LDAP_INSUFFICIENT_ACCESS;
821 }
822 #endif
823
824 if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
825 struct sockaddr_un addr;
826 socklen_t len = sizeof(addr);
827 int sd;
828 if (ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd) == 0 &&
829 getpeername(sd, (struct sockaddr *) &addr, &len) < 0) {
830 /* the other end has died. reopen. */
831 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
832 ldap_state->ldap_struct = NULL;
833 ldap_state->last_ping = (time_t)0;
834 } else {
835 ldap_state->last_ping = time(NULL);
836 }
837 }
838
839 if (ldap_state->ldap_struct != NULL) {
840 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
841 return LDAP_SUCCESS;
842 }
843
844 if ((rc = smbldap_open_connection(ldap_state))) {
845 return rc;
846 }
847
848 if ((rc = smbldap_connect_system(ldap_state, ldap_state->ldap_struct))) {
849 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
850 ldap_state->ldap_struct = NULL;
851 return rc;
852 }
853
854
855 ldap_state->last_ping = time(NULL);
856 DEBUG(4,("The LDAP server is succesfully connected\n"));
857
858 return LDAP_SUCCESS;
859 }
860
861 /**********************************************************************
862 Disconnect from LDAP server
863 *********************************************************************/
864 static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
865 {
866 if (!ldap_state)
867 return NT_STATUS_INVALID_PARAMETER;
868
869 if (ldap_state->ldap_struct != NULL) {
870 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
871 ldap_state->ldap_struct = NULL;
872 }
873
874 smbldap_delete_state(ldap_state);
875
876 DEBUG(5,("The connection to the LDAP server was closed\n"));
877 /* maybe free the results here --metze */
878
879
880
881 return NT_STATUS_OK;
882 }
883
884 int smbldap_retry_open(struct smbldap_state *ldap_state, int *attempts)
885 {
886 int rc;
887
888 SMB_ASSERT(ldap_state && attempts);
889
890 if (*attempts != 0) {
891 unsigned int sleep_time;
892 uint8 rand_byte;
893
894 /* Sleep for a random timeout */
895 rand_byte = (char)(sys_random());
896
897 sleep_time = (((*attempts)*(*attempts))/2)*rand_byte*2;
898 /* we retry after (0.5, 1, 2, 3, 4.5, 6) seconds
899 on average.
900 */
901 DEBUG(3, ("Sleeping for %u milliseconds before reconnecting\n",
902 sleep_time));
903 smb_msleep(sleep_time);
904 }
905 (*attempts)++;
906
907 if ((rc = smbldap_open(ldap_state))) {
908 DEBUG(1,("Connection to LDAP Server failed for the %d try!\n",*attempts));
909 return rc;
910 }
911
912 return LDAP_SUCCESS;
913 }
914
915
916 /*********************************************************************
917 ********************************************************************/
918
919 int smbldap_search(struct smbldap_state *ldap_state,
920 const char *base, int scope, const char *filter,
921 char *attrs[], int attrsonly,
922 LDAPMessage **res)
923 {
924 int rc = LDAP_SERVER_DOWN;
925 int attempts = 0;
926 char *utf8_filter;
927
928 SMB_ASSERT(ldap_state);
929
930 DEBUG(5,("smbldap_search: base => [%s], filter => [%s], scope => [%d]\n",
931 base, filter, scope));
932
933 if (ldap_state->last_rebind.tv_sec > 0) {
934 struct timeval tval;
935 SMB_BIG_INT tdiff = 0;
936 int sleep_time = 0;
937
938 ZERO_STRUCT(tval);
939 GetTimeOfDay(&tval);
940
941 tdiff = usec_time_diff(&tval, &ldap_state->last_rebind);
942 tdiff /= 1000; /* Convert to milliseconds. */
943
944 sleep_time = lp_ldap_replication_sleep()-(int)tdiff;
945 sleep_time = MIN(sleep_time, MAX_LDAP_REPLICATION_SLEEP_TIME);
946
947 if (sleep_time > 0) {
948 /* we wait for the LDAP replication */
949 DEBUG(5,("smbldap_search: waiting %d milliseconds for LDAP replication.\n",sleep_time));
950 smb_msleep(sleep_time);
951 DEBUG(5,("smbldap_search: go on!\n"));
952 }
953 ZERO_STRUCT(ldap_state->last_rebind);
954 }
955
956 if (push_utf8_allocate(&utf8_filter, filter) == (size_t)-1) {
957 return LDAP_NO_MEMORY;
958 }
959
960 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
961
962 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
963 continue;
964
965 rc = ldap_search_s(ldap_state->ldap_struct, base, scope,
966 utf8_filter, attrs, attrsonly, res);
967 }
968
969 if (rc == LDAP_SERVER_DOWN) {
970 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
971 smbldap_close(ldap_state);
972 }
973
974 ldap_state->last_use = time(NULL);
975
976 SAFE_FREE(utf8_filter);
977 return rc;
978 }
979
980 int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
981 {
982 int rc = LDAP_SERVER_DOWN;
983 int attempts = 0;
984 char *utf8_dn;
985
986 SMB_ASSERT(ldap_state);
987
988 DEBUG(5,("smbldap_modify: dn => [%s]\n", dn ));
989
990 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
991 return LDAP_NO_MEMORY;
992 }
993
994 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
995
996 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
997 continue;
998
999 rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs);
1000 }
1001
1002 if (rc == LDAP_SERVER_DOWN) {
1003 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1004 smbldap_close(ldap_state);
1005 }
1006
1007 ldap_state->last_use = time(NULL);
1008
1009 SAFE_FREE(utf8_dn);
1010 return rc;
1011 }
1012
1013 int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1014 {
1015 int rc = LDAP_SERVER_DOWN;
1016 int attempts = 0;
1017 char *utf8_dn;
1018
1019 SMB_ASSERT(ldap_state);
1020
1021 DEBUG(5,("smbldap_add: dn => [%s]\n", dn ));
1022
1023 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1024 return LDAP_NO_MEMORY;
1025 }
1026
1027 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1028
1029 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1030 continue;
1031
1032 rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs);
1033 }
1034
1035 if (rc == LDAP_SERVER_DOWN) {
1036 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1037 smbldap_close(ldap_state);
1038 }
1039
1040 ldap_state->last_use = time(NULL);
1041
1042 SAFE_FREE(utf8_dn);
1043 return rc;
1044 }
1045
1046 int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
1047 {
1048 int rc = LDAP_SERVER_DOWN;
1049 int attempts = 0;
1050 char *utf8_dn;
1051
1052 SMB_ASSERT(ldap_state);
1053
1054 DEBUG(5,("smbldap_delete: dn => [%s]\n", dn ));
1055
1056 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1057 return LDAP_NO_MEMORY;
1058 }
1059
1060 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1061
1062 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1063 continue;
1064
1065 rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn);
1066 }
1067
1068 if (rc == LDAP_SERVER_DOWN) {
1069 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1070 smbldap_close(ldap_state);
1071 }
1072
1073 ldap_state->last_use = time(NULL);
1074
1075 SAFE_FREE(utf8_dn);
1076 return rc;
1077 }
1078
1079 int smbldap_extended_operation(struct smbldap_state *ldap_state,
1080 LDAP_CONST char *reqoid, struct berval *reqdata,
1081 LDAPControl **serverctrls, LDAPControl **clientctrls,
1082 char **retoidp, struct berval **retdatap)
1083 {
1084 int rc = LDAP_SERVER_DOWN;
1085 int attempts = 0;
1086
1087 if (!ldap_state)
1088 return (-1);
1089
1090 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1091
1092 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1093 continue;
1094
1095 rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid, reqdata,
1096 serverctrls, clientctrls, retoidp, retdatap);
1097 }
1098
1099 if (rc == LDAP_SERVER_DOWN) {
1100 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1101 smbldap_close(ldap_state);
1102 }
1103
1104 ldap_state->last_use = time(NULL);
1105
1106 return rc;
1107 }
1108
1109 /*******************************************************************
1110 run the search by name.
1111 ******************************************************************/
1112 int smbldap_search_suffix (struct smbldap_state *ldap_state, const char *filter,
1113 char **search_attr, LDAPMessage ** result)
1114 {
1115 int scope = LDAP_SCOPE_SUBTREE;
1116 int rc;
1117
1118 rc = smbldap_search(ldap_state, lp_ldap_suffix(), scope, filter, search_attr, 0, result);
1119
1120 if (rc != LDAP_SUCCESS) {
1121 char *ld_error = NULL;
1122 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1123 &ld_error);
1124 DEBUG(0,("smbldap_search_suffix: Problem during the LDAP search: %s (%s)\n",
1125 ld_error?ld_error:"(unknown)", ldap_err2string (rc)));
1126 SAFE_FREE(ld_error);
1127 }
1128
1129 return rc;
1130 }
1131
1132 static void smbldap_idle_fn(void **data, time_t *interval, time_t now)
1133 {
1134 struct smbldap_state *state = (struct smbldap_state *)(*data);
1135
1136 if (state->ldap_struct == NULL) {
1137 DEBUG(10,("ldap connection not connected...\n"));
1138 return;
1139 }
1140
1141 if ((state->last_use+SMBLDAP_IDLE_TIME) > now) {
1142 DEBUG(10,("ldap connection not idle...\n"));
1143 return;
1144 }
1145
1146 DEBUG(7,("ldap connection idle...closing connection\n"));
1147 smbldap_close(state);
1148 }
1149
1150 /**********************************************************************
1151 Housekeeping
1152 *********************************************************************/
1153
1154 void smbldap_free_struct(struct smbldap_state **ldap_state)
1155 {
1156 smbldap_close(*ldap_state);
1157
1158 if ((*ldap_state)->bind_secret) {
1159 memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret));
1160 }
1161
1162 SAFE_FREE((*ldap_state)->bind_dn);
1163 SAFE_FREE((*ldap_state)->bind_secret);
1164
1165 smb_unregister_idle_event((*ldap_state)->event_id);
1166
1167 *ldap_state = NULL;
1168
1169 /* No need to free any further, as it is talloc()ed */
1170 }
1171
1172
1173 /**********************************************************************
1174 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1175 *********************************************************************/
1176
1177 NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, const char *location, struct smbldap_state **smbldap_state)
1178 {
1179 *smbldap_state = talloc_zero(mem_ctx, sizeof(**smbldap_state));
1180 if (!*smbldap_state) {
1181 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1182 return NT_STATUS_NO_MEMORY;
1183 }
1184
1185 if (location) {
1186 (*smbldap_state)->uri = talloc_strdup(mem_ctx, location);
1187 } else {
1188 (*smbldap_state)->uri = "ldap://localhost";
1189 }
1190
1191 (*smbldap_state)->event_id =
1192 smb_register_idle_event(smbldap_idle_fn, (void *)(*smbldap_state),
1193 SMBLDAP_IDLE_TIME);
1194
1195 if ((*smbldap_state)->event_id == SMB_EVENT_ID_INVALID) {
1196 DEBUG(0,("Failed to register LDAP idle event!\n"));
1197 return NT_STATUS_INVALID_HANDLE;
1198 }
1199
1200 return NT_STATUS_OK;
1201 }
1202
1203 /**********************************************************************
1204 Add the sambaDomain to LDAP, so we don't have to search for this stuff
1205 again. This is a once-add operation for now.
1206
1207 TODO: Add other attributes, and allow modification.
1208 *********************************************************************/
1209 static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
1210 const char *domain_name)
1211 {
1212 fstring sid_string;
1213 fstring algorithmic_rid_base_string;
1214 pstring filter, dn;
1215 LDAPMod **mods = NULL;
1216 int rc;
1217 int ldap_op;
1218 LDAPMessage *result = NULL;
1219 int num_result;
1220 char **attr_list;
1221 uid_t u_low, u_high;
1222 gid_t g_low, g_high;
1223 uint32 rid_low, rid_high;
1224
1225 slprintf (filter, sizeof (filter) - 1, "(&(%s=%s)(objectclass=%s))",
1226 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1227 domain_name, LDAP_OBJ_DOMINFO);
1228
1229 attr_list = get_attr_list( dominfo_attr_list );
1230 rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
1231 free_attr_list( attr_list );
1232
1233 if (rc != LDAP_SUCCESS) {
1234 return NT_STATUS_UNSUCCESSFUL;
1235 }
1236
1237 num_result = ldap_count_entries(ldap_state->ldap_struct, result);
1238
1239 if (num_result > 1) {
1240 DEBUG (0, ("More than domain with that name exists: bailing out!\n"));
1241 ldap_msgfree(result);
1242 return NT_STATUS_UNSUCCESSFUL;
1243 }
1244
1245 /* Check if we need to add an entry */
1246 DEBUG(3,("Adding new domain\n"));
1247 ldap_op = LDAP_MOD_ADD;
1248
1249 pstr_sprintf(dn, "%s=%s,%s", get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1250 domain_name, lp_ldap_suffix());
1251
1252 /* Free original search */
1253 ldap_msgfree(result);
1254
1255 /* make the changes - the entry *must* not already have samba attributes */
1256 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1257 domain_name);
1258
1259 /* If we don't have an entry, then ask secrets.tdb for what it thinks.
1260 It may choose to make it up */
1261
1262 sid_to_string(sid_string, get_global_sam_sid());
1263 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOM_SID), sid_string);
1264
1265 slprintf(algorithmic_rid_base_string, sizeof(algorithmic_rid_base_string) - 1, "%i", algorithmic_rid_base());
1266 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_ALGORITHMIC_RID_BASE),
1267 algorithmic_rid_base_string);
1268 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);
1269
1270 /* add the sambaNext[User|Group]Rid attributes if the idmap ranges are set.
1271 TODO: fix all the places where the line between idmap and normal operations
1272 needed by smbd gets fuzzy --jerry 2003-08-11 */
1273
1274 if ( lp_idmap_uid(&u_low, &u_high) && lp_idmap_gid(&g_low, &g_high)
1275 && get_free_rid_range(&rid_low, &rid_high) )
1276 {
1277 fstring rid_str;
1278
1279 fstr_sprintf( rid_str, "%i", rid_high|USER_RID_TYPE );
1280 DEBUG(10,("setting next available user rid [%s]\n", rid_str));
1281 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1282 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_USERRID),
1283 rid_str);
1284
1285 fstr_sprintf( rid_str, "%i", rid_high|GROUP_RID_TYPE );
1286 DEBUG(10,("setting next available group rid [%s]\n", rid_str));
1287 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1288 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_GROUPRID),
1289 rid_str);
1290
1291 }
1292
1293
1294 switch(ldap_op)
1295 {
1296 case LDAP_MOD_ADD:
1297 rc = smbldap_add(ldap_state, dn, mods);
1298 break;
1299 case LDAP_MOD_REPLACE:
1300 rc = smbldap_modify(ldap_state, dn, mods);
1301 break;
1302 default:
1303 DEBUG(0,("Wrong LDAP operation type: %d!\n", ldap_op));
1304 return NT_STATUS_INVALID_PARAMETER;
1305 }
1306
1307 if (rc!=LDAP_SUCCESS) {
1308 char *ld_error = NULL;
1309 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
1310 DEBUG(1,("failed to %s domain dn= %s with: %s\n\t%s\n",
1311 ldap_op == LDAP_MOD_ADD ? "add" : "modify",
1312 dn, ldap_err2string(rc),
1313 ld_error?ld_error:"unknown"));
1314 SAFE_FREE(ld_error);
1315
1316 ldap_mods_free(mods, True);
1317 return NT_STATUS_UNSUCCESSFUL;
1318 }
1319
1320 DEBUG(2,("added: domain = %s in the LDAP database\n", domain_name));
1321 ldap_mods_free(mods, True);
1322 return NT_STATUS_OK;
1323 }
1324
1325 /**********************************************************************
1326 Search for the domain info entry
1327 *********************************************************************/
1328 NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
1329 LDAPMessage ** result, const char *domain_name,
1330 BOOL try_add)
1331 {
1332 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1333 pstring filter;
1334 int rc;
1335 char **attr_list;
1336 int count;
1337
1338 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
1339 LDAP_OBJ_DOMINFO,
1340 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1341 domain_name);
1342
1343 DEBUG(2, ("Searching for:[%s]\n", filter));
1344
1345
1346 attr_list = get_attr_list( dominfo_attr_list );
1347 rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
1348 free_attr_list( attr_list );
1349
1350 if (rc != LDAP_SUCCESS) {
1351 DEBUG(2,("Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
1352 DEBUG(2,("Query was: %s, %s\n", lp_ldap_suffix(), filter));
1353 } else if (ldap_count_entries(ldap_state->ldap_struct, *result) < 1) {
1354 DEBUG(3, ("Got no domain info entries for domain\n"));
1355 ldap_msgfree(*result);
1356 *result = NULL;
1357 if (try_add && NT_STATUS_IS_OK(ret = add_new_domain_info(ldap_state, domain_name))) {
1358 return smbldap_search_domain_info(ldap_state, result, domain_name, False);
1359 }
1360 else {
1361 DEBUG(0, ("Adding domain info for %s failed with %s\n",
1362 domain_name, nt_errstr(ret)));
1363 return ret;
1364 }
1365 } else if ((count = ldap_count_entries(ldap_state->ldap_struct, *result)) > 1) {
1366 DEBUG(0, ("Got too many (%d) domain info entries for domain %s\n",
1367 count, domain_name));
1368 ldap_msgfree(*result);
1369 *result = NULL;
1370 return ret;
1371 } else {
1372 return NT_STATUS_OK;
1373 }
1374
1375 return ret;
1376 }
1377
1378 /*******************************************************************
1379 Return a copy of the DN for a LDAPMessage. Convert from utf8 to CH_UNIX.
1380 ********************************************************************/
1381
1382 char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
1383 {
1384 char *utf8_dn, *unix_dn;
1385
1386 utf8_dn = ldap_get_dn(ld, entry);
1387 if (!utf8_dn) {
1388 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1389 return NULL;
1390 }
1391 if (pull_utf8_allocate(&unix_dn, utf8_dn) == (size_t)-1) {
1392 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 [%s]\n", utf8_dn));
1393 return NULL;
1394 }
1395 ldap_memfree(utf8_dn);
1396 return unix_dn;
1397 }
1398
WIP