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r1643: syncing all changes from 3.0 and hopefully get 3.0.6rc2 out tomorrow
[Samba.git] / source / lib / smbldap.c
blob0980b763adbc63bb1fd1ce022ca165907c8d2fcb
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_PWD_HISTORY, "sambaPasswordHistory" },
104 { LDAP_ATTR_MOD_TIMESTAMP, "modifyTimestamp" },
105 { LDAP_ATTR_LIST_END, NULL }
106 };
107
108 /* attributes used for allocating RIDs */
109
110 ATTRIB_MAP_ENTRY dominfo_attr_list[] = {
111 { LDAP_ATTR_DOMAIN, "sambaDomainName" },
112 { LDAP_ATTR_NEXT_RID, "sambaNextRid" },
113 { LDAP_ATTR_NEXT_USERRID, "sambaNextUserRid" },
114 { LDAP_ATTR_NEXT_GROUPRID, "sambaNextGroupRid" },
115 { LDAP_ATTR_DOM_SID, LDAP_ATTRIBUTE_SID },
116 { LDAP_ATTR_ALGORITHMIC_RID_BASE,"sambaAlgorithmicRidBase"},
117 { LDAP_ATTR_OBJCLASS, "objectClass" },
118 { LDAP_ATTR_LIST_END, NULL },
119 };
120
121 /* Samba 3.0 group mapping attributes */
122
123 ATTRIB_MAP_ENTRY groupmap_attr_list[] = {
124 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
125 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
126 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
127 { LDAP_ATTR_SID_LIST, "sambaSIDList" },
128 { LDAP_ATTR_DESC, "description" },
129 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
130 { LDAP_ATTR_CN, "cn" },
131 { LDAP_ATTR_OBJCLASS, "objectClass" },
132 { LDAP_ATTR_LIST_END, NULL }
133 };
134
135 ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete[] = {
136 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
137 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
138 { LDAP_ATTR_DESC, "description" },
139 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
140 { LDAP_ATTR_SID_LIST, "sambaSIDList" },
141 { LDAP_ATTR_LIST_END, NULL }
142 };
143
144 /* idmap_ldap sambaUnixIdPool */
145
146 ATTRIB_MAP_ENTRY idpool_attr_list[] = {
147 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
148 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
149 { LDAP_ATTR_OBJCLASS, "objectClass" },
150 { LDAP_ATTR_LIST_END, NULL }
151 };
152
153 ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
154 { LDAP_ATTR_SID, LDAP_ATTRIBUTE_SID },
155 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
156 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
157 { LDAP_ATTR_OBJCLASS, "objectClass" },
158 { LDAP_ATTR_LIST_END, NULL }
159 };
160
161 /**********************************************************************
162 perform a simple table lookup and return the attribute name
163 **********************************************************************/
164
165 const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key )
166 {
167 int i = 0;
168
169 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
170 if ( table[i].attrib == key )
171 return table[i].name;
172 i++;
173 }
174
175 return NULL;
176 }
177
178
179 /**********************************************************************
180 Return the list of attribute names from a mapping table
181 **********************************************************************/
182
183 char** get_attr_list( ATTRIB_MAP_ENTRY table[] )
184 {
185 char **names;
186 int i = 0;
187
188 while ( table[i].attrib != LDAP_ATTR_LIST_END )
189 i++;
190 i++;
191
192 names = (char**)malloc( sizeof(char*)*i );
193 if ( !names ) {
194 DEBUG(0,("get_attr_list: out of memory\n"));
195 return NULL;
196 }
197
198 i = 0;
199 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
200 names[i] = strdup( table[i].name );
201 i++;
202 }
203 names[i] = NULL;
204
205 return names;
206 }
207
208 /*********************************************************************
209 Cleanup
210 ********************************************************************/
211
212 void free_attr_list( char **list )
213 {
214 int i = 0;
215
216 if ( !list )
217 return;
218
219 while ( list[i] ) {
220 SAFE_FREE( list[i] );
221 i+=1;
222 }
223
224 SAFE_FREE( list );
225 }
226
227 /*******************************************************************
228 find the ldap password
229 ******************************************************************/
230 static BOOL fetch_ldap_pw(char **dn, char** pw)
231 {
232 char *key = NULL;
233 size_t size;
234
235 *dn = smb_xstrdup(lp_ldap_admin_dn());
236
237 if (asprintf(&key, "%s/%s", SECRETS_LDAP_BIND_PW, *dn) < 0) {
238 SAFE_FREE(*dn);
239 DEBUG(0, ("fetch_ldap_pw: asprintf failed!\n"));
240 }
241
242 *pw=secrets_fetch(key, &size);
243 SAFE_FREE(key);
244
245 if (!size) {
246 /* Upgrade 2.2 style entry */
247 char *p;
248 char* old_style_key = strdup(*dn);
249 char *data;
250 fstring old_style_pw;
251
252 if (!old_style_key) {
253 DEBUG(0, ("fetch_ldap_pw: strdup failed!\n"));
254 return False;
255 }
256
257 for (p=old_style_key; *p; p++)
258 if (*p == ',') *p = '/';
259
260 data=secrets_fetch(old_style_key, &size);
261 if (!size && size < sizeof(old_style_pw)) {
262 DEBUG(0,("fetch_ldap_pw: neither ldap secret retrieved!\n"));
263 SAFE_FREE(old_style_key);
264 SAFE_FREE(*dn);
265 return False;
266 }
267
268 size = MIN(size, sizeof(fstring)-1);
269 strncpy(old_style_pw, data, size);
270 old_style_pw[size] = 0;
271
272 SAFE_FREE(data);
273
274 if (!secrets_store_ldap_pw(*dn, old_style_pw)) {
275 DEBUG(0,("fetch_ldap_pw: ldap secret could not be upgraded!\n"));
276 SAFE_FREE(old_style_key);
277 SAFE_FREE(*dn);
278 return False;
279 }
280 if (!secrets_delete(old_style_key)) {
281 DEBUG(0,("fetch_ldap_pw: old ldap secret could not be deleted!\n"));
282 }
283
284 SAFE_FREE(old_style_key);
285
286 *pw = smb_xstrdup(old_style_pw);
287 }
288
289 return True;
290 }
291
292 /*******************************************************************
293 Search an attribute and return the first value found.
294 ******************************************************************/
295
296 BOOL smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
297 const char *attribute, char *value,
298 int max_len)
299 {
300 char **values;
301
302 if ( !attribute )
303 return False;
304
305 value[0] = '\0';
306
307 if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) {
308 DEBUG (10, ("smbldap_get_single_attribute: [%s] = [<does not exist>]\n", attribute));
309
310 return False;
311 }
312
313 if (convert_string(CH_UTF8, CH_UNIX,values[0], -1, value, max_len, False) == (size_t)-1) {
314 DEBUG(1, ("smbldap_get_single_attribute: string conversion of [%s] = [%s] failed!\n",
315 attribute, values[0]));
316 ldap_value_free(values);
317 return False;
318 }
319
320 ldap_value_free(values);
321 #ifdef DEBUG_PASSWORDS
322 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n", attribute, value));
323 #endif
324 return True;
325 }
326
327 BOOL smbldap_get_single_pstring (LDAP * ldap_struct, LDAPMessage * entry,
328 const char *attribute, pstring value)
329 {
330 return smbldap_get_single_attribute(ldap_struct, entry,
331 attribute, value,
332 sizeof(pstring));
333 }
334
335 /************************************************************************
336 Routine to manage the LDAPMod structure array
337 manage memory used by the array, by each struct, and values
338 ***********************************************************************/
339
340 void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
341 {
342 LDAPMod **mods;
343 int i;
344 int j;
345
346 mods = *modlist;
347
348 /* sanity checks on the mod values */
349
350 if (attribute == NULL || *attribute == '\0') {
351 return;
352 }
353
354 #if 0 /* commented out after discussion with abartlet. Do not reenable.
355 left here so other so re-add similar code --jerry */
356 if (value == NULL || *value == '\0')
357 return;
358 #endif
359
360 if (mods == NULL) {
361 mods = (LDAPMod **) malloc(sizeof(LDAPMod *));
362 if (mods == NULL) {
363 DEBUG(0, ("make_a_mod: out of memory!\n"));
364 return;
365 }
366 mods[0] = NULL;
367 }
368
369 for (i = 0; mods[i] != NULL; ++i) {
370 if (mods[i]->mod_op == modop && strequal(mods[i]->mod_type, attribute))
371 break;
372 }
373
374 if (mods[i] == NULL) {
375 mods = (LDAPMod **) Realloc (mods, (i + 2) * sizeof (LDAPMod *));
376 if (mods == NULL) {
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 DEBUG(0, ("make_a_mod: out of memory!\n"));
383 return;
384 }
385 mods[i]->mod_op = modop;
386 mods[i]->mod_values = NULL;
387 mods[i]->mod_type = strdup(attribute);
388 mods[i + 1] = NULL;
389 }
390
391 if (value != NULL) {
392 char *utf8_value = NULL;
393
394 j = 0;
395 if (mods[i]->mod_values != NULL) {
396 for (; mods[i]->mod_values[j] != NULL; j++);
397 }
398 mods[i]->mod_values = (char **)Realloc(mods[i]->mod_values,
399 (j + 2) * sizeof (char *));
400
401 if (mods[i]->mod_values == NULL) {
402 DEBUG (0, ("make_a_mod: Memory allocation failure!\n"));
403 return;
404 }
405
406 if (push_utf8_allocate(&utf8_value, value) == (size_t)-1) {
407 DEBUG (0, ("make_a_mod: String conversion failure!\n"));
408 return;
409 }
410
411 mods[i]->mod_values[j] = utf8_value;
412
413 mods[i]->mod_values[j + 1] = NULL;
414 }
415 *modlist = mods;
416 }
417
418 /**********************************************************************
419 Set attribute to newval in LDAP, regardless of what value the
420 attribute had in LDAP before.
421 *********************************************************************/
422
423 void smbldap_make_mod(LDAP *ldap_struct, LDAPMessage *existing,
424 LDAPMod ***mods,
425 const char *attribute, const char *newval)
426 {
427 char oldval[2048]; /* current largest allowed value is mungeddial */
428 BOOL existed;
429
430 if (existing != NULL) {
431 existed = smbldap_get_single_attribute(ldap_struct, existing, attribute, oldval, sizeof(oldval));
432 } else {
433 existed = False;
434 *oldval = '\0';
435 }
436
437 /* all of our string attributes are case insensitive */
438
439 if (existed && newval && (StrCaseCmp(oldval, newval) == 0)) {
440
441 /* Believe it or not, but LDAP will deny a delete and
442 an add at the same time if the values are the
443 same... */
444 return;
445 }
446
447 if (existed) {
448 /* There has been no value before, so don't delete it.
449 * Here's a possible race: We might end up with
450 * duplicate attributes */
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 /* This will also allow modifying single valued attributes
456 * in Novell NDS. In NDS you have to first remove attribute and then
457 * you could add new value */
458
459 smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, oldval);
460 }
461
462 /* Regardless of the real operation (add or modify)
463 we add the new value here. We rely on deleting
464 the old value, should it exist. */
465
466 if ((newval != NULL) && (strlen(newval) > 0)) {
467 smbldap_set_mod(mods, LDAP_MOD_ADD, attribute, newval);
468 }
469 }
470
471 /**********************************************************************
472 Some varients of the LDAP rebind code do not pass in the third 'arg'
473 pointer to a void*, so we try and work around it by assuming that the
474 value of the 'LDAP *' pointer is the same as the one we had passed in
475 **********************************************************************/
476
477 struct smbldap_state_lookup {
478 LDAP *ld;
479 struct smbldap_state *smbldap_state;
480 struct smbldap_state_lookup *prev, *next;
481 };
482
483 static struct smbldap_state_lookup *smbldap_state_lookup_list;
484
485 static struct smbldap_state *smbldap_find_state(LDAP *ld)
486 {
487 struct smbldap_state_lookup *t;
488
489 for (t = smbldap_state_lookup_list; t; t = t->next) {
490 if (t->ld == ld) {
491 return t->smbldap_state;
492 }
493 }
494 return NULL;
495 }
496
497 static void smbldap_delete_state(struct smbldap_state *smbldap_state)
498 {
499 struct smbldap_state_lookup *t;
500
501 for (t = smbldap_state_lookup_list; t; t = t->next) {
502 if (t->smbldap_state == smbldap_state) {
503 DLIST_REMOVE(smbldap_state_lookup_list, t);
504 SAFE_FREE(t);
505 return;
506 }
507 }
508 }
509
510 static void smbldap_store_state(LDAP *ld, struct smbldap_state *smbldap_state)
511 {
512 struct smbldap_state *tmp_ldap_state;
513 struct smbldap_state_lookup *t;
514 struct smbldap_state_lookup *tmp;
515
516 if ((tmp_ldap_state = smbldap_find_state(ld))) {
517 SMB_ASSERT(tmp_ldap_state == smbldap_state);
518 return;
519 }
520
521 t = smb_xmalloc(sizeof(*t));
522 ZERO_STRUCTP(t);
523
524 DLIST_ADD_END(smbldap_state_lookup_list, t, tmp);
525 t->ld = ld;
526 t->smbldap_state = smbldap_state;
527 }
528
529 /*******************************************************************
530 open a connection to the ldap server.
531 ******************************************************************/
532 static int smbldap_open_connection (struct smbldap_state *ldap_state)
533
534 {
535 int rc = LDAP_SUCCESS;
536 int version;
537 BOOL ldap_v3 = False;
538 LDAP **ldap_struct = &ldap_state->ldap_struct;
539
540 #ifdef HAVE_LDAP_INITIALIZE
541 DEBUG(10, ("smbldap_open_connection: %s\n", ldap_state->uri));
542
543 if ((rc = ldap_initialize(ldap_struct, ldap_state->uri)) != LDAP_SUCCESS) {
544 DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc)));
545 return rc;
546 }
547 #else
548
549 /* Parse the string manually */
550
551 {
552 int port = 0;
553 fstring protocol;
554 fstring host;
555 const char *p = ldap_state->uri;
556 SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254);
557
558 /* skip leading "URL:" (if any) */
559 if ( strnequal( p, "URL:", 4 ) ) {
560 p += 4;
561 }
562
563 sscanf(p, "%10[^:]://%254[^:/]:%d", protocol, host, &port);
564
565 if (port == 0) {
566 if (strequal(protocol, "ldap")) {
567 port = LDAP_PORT;
568 } else if (strequal(protocol, "ldaps")) {
569 port = LDAPS_PORT;
570 } else {
571 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol));
572 }
573 }
574
575 if ((*ldap_struct = ldap_init(host, port)) == NULL) {
576 DEBUG(0, ("ldap_init failed !\n"));
577 return LDAP_OPERATIONS_ERROR;
578 }
579
580 if (strequal(protocol, "ldaps")) {
581 #ifdef LDAP_OPT_X_TLS
582 int tls = LDAP_OPT_X_TLS_HARD;
583 if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
584 {
585 DEBUG(0, ("Failed to setup a TLS session\n"));
586 }
587
588 DEBUG(3,("LDAPS option set...!\n"));
589 #else
590 DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
591 return LDAP_OPERATIONS_ERROR;
592 #endif
593 }
594 }
595 #endif
596
597 /* Store the LDAP pointer in a lookup list */
598
599 smbldap_store_state(*ldap_struct, ldap_state);
600
601 /* Upgrade to LDAPv3 if possible */
602
603 if (ldap_get_option(*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS)
604 {
605 if (version != LDAP_VERSION3)
606 {
607 version = LDAP_VERSION3;
608 if (ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS) {
609 ldap_v3 = True;
610 }
611 } else {
612 ldap_v3 = True;
613 }
614 }
615
616 if (lp_ldap_ssl() == LDAP_SSL_START_TLS) {
617 #ifdef LDAP_OPT_X_TLS
618 if (ldap_v3) {
619 if ((rc = ldap_start_tls_s (*ldap_struct, NULL, NULL)) != LDAP_SUCCESS)
620 {
621 DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
622 ldap_err2string(rc)));
623 return rc;
624 }
625 DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
626 } else {
627
628 DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
629 return LDAP_OPERATIONS_ERROR;
630 }
631 #else
632 DEBUG(0,("smbldap_open_connection: StartTLS not supported by LDAP client libraries!\n"));
633 return LDAP_OPERATIONS_ERROR;
634 #endif
635 }
636
637 DEBUG(2, ("smbldap_open_connection: connection opened\n"));
638 return rc;
639 }
640
641
642 /*******************************************************************
643 a rebind function for authenticated referrals
644 This version takes a void* that we can shove useful stuff in :-)
645 ******************************************************************/
646 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
647 #else
648 static int rebindproc_with_state (LDAP * ld, char **whop, char **credp,
649 int *methodp, int freeit, void *arg)
650 {
651 struct smbldap_state *ldap_state = arg;
652
653 /** @TODO Should we be doing something to check what servers we rebind to?
654 Could we get a referral to a machine that we don't want to give our
655 username and password to? */
656
657 if (freeit) {
658 SAFE_FREE(*whop);
659 memset(*credp, '\0', strlen(*credp));
660 SAFE_FREE(*credp);
661 } else {
662 DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
663 ldap_state->bind_dn));
664
665 *whop = strdup(ldap_state->bind_dn);
666 if (!*whop) {
667 return LDAP_NO_MEMORY;
668 }
669 *credp = strdup(ldap_state->bind_secret);
670 if (!*credp) {
671 SAFE_FREE(*whop);
672 return LDAP_NO_MEMORY;
673 }
674 *methodp = LDAP_AUTH_SIMPLE;
675 }
676
677 GetTimeOfDay(&ldap_state->last_rebind);
678
679 return 0;
680 }
681 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
682
683 /*******************************************************************
684 a rebind function for authenticated referrals
685 This version takes a void* that we can shove useful stuff in :-)
686 and actually does the connection.
687 ******************************************************************/
688 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
689 static int rebindproc_connect_with_state (LDAP *ldap_struct,
690 LDAP_CONST char *url,
691 ber_tag_t request,
692 ber_int_t msgid, void *arg)
693 {
694 struct smbldap_state *ldap_state = arg;
695 int rc;
696 DEBUG(5,("rebindproc_connect_with_state: Rebinding as \"%s\"\n",
697 ldap_state->bind_dn));
698
699 /** @TODO Should we be doing something to check what servers we rebind to?
700 Could we get a referral to a machine that we don't want to give our
701 username and password to? */
702
703 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
704
705 GetTimeOfDay(&ldap_state->last_rebind);
706
707 return rc;
708 }
709 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
710
711 /*******************************************************************
712 Add a rebind function for authenticated referrals
713 ******************************************************************/
714 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
715 #else
716 # if LDAP_SET_REBIND_PROC_ARGS == 2
717 static int rebindproc (LDAP *ldap_struct, char **whop, char **credp,
718 int *method, int freeit )
719 {
720 struct smbldap_state *ldap_state = smbldap_find_state(ldap_struct);
721
722 return rebindproc_with_state(ldap_struct, whop, credp,
723 method, freeit, ldap_state);
724
725 }
726 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
727 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
728
729 /*******************************************************************
730 a rebind function for authenticated referrals
731 this also does the connection, but no void*.
732 ******************************************************************/
733 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
734 # if LDAP_SET_REBIND_PROC_ARGS == 2
735 static int rebindproc_connect (LDAP * ld, LDAP_CONST char *url, int request,
736 ber_int_t msgid)
737 {
738 struct smbldap_state *ldap_state = smbldap_find_state(ld);
739
740 return rebindproc_connect_with_state(ld, url, (ber_tag_t)request, msgid,
741 ldap_state);
742 }
743 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
744 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
745
746 /*******************************************************************
747 connect to the ldap server under system privilege.
748 ******************************************************************/
749 static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_struct)
750 {
751 int rc;
752 char *ldap_dn;
753 char *ldap_secret;
754
755 /* get the password */
756 if (!fetch_ldap_pw(&ldap_dn, &ldap_secret)) {
757 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
758 return LDAP_INVALID_CREDENTIALS;
759 }
760
761 ldap_state->bind_dn = ldap_dn;
762 ldap_state->bind_secret = ldap_secret;
763
764 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
765 (OpenLDAP) doesnt' seem to support it */
766
767 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
768 ldap_state->uri, ldap_dn));
769
770 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
771 # if LDAP_SET_REBIND_PROC_ARGS == 2
772 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect);
773 # endif
774 # if LDAP_SET_REBIND_PROC_ARGS == 3
775 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state);
776 # endif
777 #else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
778 # if LDAP_SET_REBIND_PROC_ARGS == 2
779 ldap_set_rebind_proc(ldap_struct, &rebindproc);
780 # endif
781 # if LDAP_SET_REBIND_PROC_ARGS == 3
782 ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state);
783 # endif
784 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
785
786 rc = ldap_simple_bind_s(ldap_struct, ldap_dn, ldap_secret);
787
788 if (rc != LDAP_SUCCESS) {
789 char *ld_error = NULL;
790 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
791 &ld_error);
792 DEBUG(ldap_state->num_failures ? 2 : 0,
793 ("failed to bind to server with dn= %s Error: %s\n\t%s\n",
794 ldap_dn ? ldap_dn : "(unknown)", ldap_err2string(rc),
795 ld_error ? ld_error : "(unknown)"));
796 SAFE_FREE(ld_error);
797 ldap_state->num_failures++;
798 return rc;
799 }
800
801 ldap_state->num_failures = 0;
802
803 DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n"));
804 return rc;
805 }
806
807 /**********************************************************************
808 Connect to LDAP server (called before every ldap operation)
809 *********************************************************************/
810 static int smbldap_open(struct smbldap_state *ldap_state)
811 {
812 int rc;
813 SMB_ASSERT(ldap_state);
814
815 #ifndef NO_LDAP_SECURITY
816 if (geteuid() != 0) {
817 DEBUG(0, ("smbldap_open: cannot access LDAP when not root..\n"));
818 return LDAP_INSUFFICIENT_ACCESS;
819 }
820 #endif
821
822 if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
823 struct sockaddr_un addr;
824 socklen_t len = sizeof(addr);
825 int sd;
826 if (ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd) == 0 &&
827 getpeername(sd, (struct sockaddr *) &addr, &len) < 0) {
828 /* the other end has died. reopen. */
829 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
830 ldap_state->ldap_struct = NULL;
831 ldap_state->last_ping = (time_t)0;
832 } else {
833 ldap_state->last_ping = time(NULL);
834 }
835 }
836
837 if (ldap_state->ldap_struct != NULL) {
838 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
839 return LDAP_SUCCESS;
840 }
841
842 if ((rc = smbldap_open_connection(ldap_state))) {
843 return rc;
844 }
845
846 if ((rc = smbldap_connect_system(ldap_state, ldap_state->ldap_struct))) {
847 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
848 ldap_state->ldap_struct = NULL;
849 return rc;
850 }
851
852
853 ldap_state->last_ping = time(NULL);
854 DEBUG(4,("The LDAP server is succesfully connected\n"));
855
856 return LDAP_SUCCESS;
857 }
858
859 /**********************************************************************
860 Disconnect from LDAP server
861 *********************************************************************/
862 static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
863 {
864 if (!ldap_state)
865 return NT_STATUS_INVALID_PARAMETER;
866
867 if (ldap_state->ldap_struct != NULL) {
868 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
869 ldap_state->ldap_struct = NULL;
870 }
871
872 smbldap_delete_state(ldap_state);
873
874 DEBUG(5,("The connection to the LDAP server was closed\n"));
875 /* maybe free the results here --metze */
876
877
878
879 return NT_STATUS_OK;
880 }
881
882 static BOOL got_alarm;
883
884 static void (*old_handler)(int);
885
886 static void gotalarm_sig(int dummy)
887 {
888 got_alarm = True;
889 }
890
891 static int another_ldap_try(struct smbldap_state *ldap_state, int *rc,
892 int *attempts, time_t endtime)
893 {
894 time_t now = time(NULL);
895 int open_rc = LDAP_SERVER_DOWN;
896
897 if (*rc != LDAP_SERVER_DOWN)
898 goto no_next;
899
900 now = time(NULL);
901
902 if (now >= endtime) {
903 smbldap_close(ldap_state);
904 *rc = LDAP_TIMEOUT;
905 goto no_next;
906 }
907
908 if (*attempts == 0) {
909 got_alarm = False;
910 old_handler = CatchSignal(SIGALRM, gotalarm_sig);
911 alarm(endtime - now);
912 }
913
914 while (1) {
915
916 if (*attempts != 0)
917 smb_msleep(1000);
918
919 *attempts += 1;
920
921 open_rc = smbldap_open(ldap_state);
922
923 if (open_rc == LDAP_SUCCESS) {
924 ldap_state->last_use = now;
925 return True;
926 }
927
928 if (got_alarm) {
929 *rc = LDAP_TIMEOUT;
930 break;
931 }
932
933 if (open_rc != LDAP_SUCCESS) {
934 DEBUG(1, ("Connection to LDAP server failed for the "
935 "%d try!\n", *attempts));
936 }
937 }
938
939 no_next:
940 CatchSignal(SIGALRM, old_handler);
941 alarm(0);
942 ldap_state->last_use = now;
943 return False;
944 }
945
946 /*********************************************************************
947 ********************************************************************/
948
949 int smbldap_search(struct smbldap_state *ldap_state,
950 const char *base, int scope, const char *filter,
951 char *attrs[], int attrsonly,
952 LDAPMessage **res)
953 {
954 int rc = LDAP_SERVER_DOWN;
955 int attempts = 0;
956 char *utf8_filter;
957 time_t endtime = time(NULL)+lp_ldap_timeout();
958
959 SMB_ASSERT(ldap_state);
960
961 DEBUG(5,("smbldap_search: base => [%s], filter => [%s], scope => [%d]\n",
962 base, filter, scope));
963
964 if (ldap_state->last_rebind.tv_sec > 0) {
965 struct timeval tval;
966 SMB_BIG_INT tdiff = 0;
967 int sleep_time = 0;
968
969 ZERO_STRUCT(tval);
970 GetTimeOfDay(&tval);
971
972 tdiff = usec_time_diff(&tval, &ldap_state->last_rebind);
973 tdiff /= 1000; /* Convert to milliseconds. */
974
975 sleep_time = lp_ldap_replication_sleep()-(int)tdiff;
976 sleep_time = MIN(sleep_time, MAX_LDAP_REPLICATION_SLEEP_TIME);
977
978 if (sleep_time > 0) {
979 /* we wait for the LDAP replication */
980 DEBUG(5,("smbldap_search: waiting %d milliseconds for LDAP replication.\n",sleep_time));
981 smb_msleep(sleep_time);
982 DEBUG(5,("smbldap_search: go on!\n"));
983 }
984 ZERO_STRUCT(ldap_state->last_rebind);
985 }
986
987 if (push_utf8_allocate(&utf8_filter, filter) == (size_t)-1) {
988 return LDAP_NO_MEMORY;
989 }
990
991 while (another_ldap_try(ldap_state, &rc, &attempts, endtime))
992 rc = ldap_search_s(ldap_state->ldap_struct, base, scope,
993 utf8_filter, attrs, attrsonly, res);
994
995 SAFE_FREE(utf8_filter);
996 return rc;
997 }
998
999 int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1000 {
1001 int rc = LDAP_SERVER_DOWN;
1002 int attempts = 0;
1003 char *utf8_dn;
1004 time_t endtime = time(NULL)+lp_ldap_timeout();
1005
1006 SMB_ASSERT(ldap_state);
1007
1008 DEBUG(5,("smbldap_modify: dn => [%s]\n", dn ));
1009
1010 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1011 return LDAP_NO_MEMORY;
1012 }
1013
1014 while (another_ldap_try(ldap_state, &rc, &attempts, endtime))
1015 rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs);
1016
1017 SAFE_FREE(utf8_dn);
1018 return rc;
1019 }
1020
1021 int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1022 {
1023 int rc = LDAP_SERVER_DOWN;
1024 int attempts = 0;
1025 char *utf8_dn;
1026 time_t endtime = time(NULL)+lp_ldap_timeout();
1027
1028 SMB_ASSERT(ldap_state);
1029
1030 DEBUG(5,("smbldap_add: dn => [%s]\n", dn ));
1031
1032 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1033 return LDAP_NO_MEMORY;
1034 }
1035
1036 while (another_ldap_try(ldap_state, &rc, &attempts, endtime))
1037 rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs);
1038
1039 SAFE_FREE(utf8_dn);
1040 return rc;
1041 }
1042
1043 int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
1044 {
1045 int rc = LDAP_SERVER_DOWN;
1046 int attempts = 0;
1047 char *utf8_dn;
1048 time_t endtime = time(NULL)+lp_ldap_timeout();
1049
1050 SMB_ASSERT(ldap_state);
1051
1052 DEBUG(5,("smbldap_delete: dn => [%s]\n", dn ));
1053
1054 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1055 return LDAP_NO_MEMORY;
1056 }
1057
1058 while (another_ldap_try(ldap_state, &rc, &attempts, endtime))
1059 rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn);
1060
1061 SAFE_FREE(utf8_dn);
1062 return rc;
1063 }
1064
1065 int smbldap_extended_operation(struct smbldap_state *ldap_state,
1066 LDAP_CONST char *reqoid, struct berval *reqdata,
1067 LDAPControl **serverctrls, LDAPControl **clientctrls,
1068 char **retoidp, struct berval **retdatap)
1069 {
1070 int rc = LDAP_SERVER_DOWN;
1071 int attempts = 0;
1072 time_t endtime = time(NULL)+lp_ldap_timeout();
1073
1074 if (!ldap_state)
1075 return (-1);
1076
1077 while (another_ldap_try(ldap_state, &rc, &attempts, endtime))
1078 rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid,
1079 reqdata, serverctrls,
1080 clientctrls, retoidp, retdatap);
1081 return rc;
1082 }
1083
1084 /*******************************************************************
1085 run the search by name.
1086 ******************************************************************/
1087 int smbldap_search_suffix (struct smbldap_state *ldap_state, const char *filter,
1088 char **search_attr, LDAPMessage ** result)
1089 {
1090 int scope = LDAP_SCOPE_SUBTREE;
1091 int rc;
1092
1093 rc = smbldap_search(ldap_state, lp_ldap_suffix(), scope, filter, search_attr, 0, result);
1094
1095 if (rc != LDAP_SUCCESS) {
1096 char *ld_error = NULL;
1097 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1098 &ld_error);
1099 DEBUG(0,("smbldap_search_suffix: Problem during the LDAP search: %s (%s)\n",
1100 ld_error?ld_error:"(unknown)", ldap_err2string (rc)));
1101 SAFE_FREE(ld_error);
1102 }
1103
1104 return rc;
1105 }
1106
1107 static void smbldap_idle_fn(void **data, time_t *interval, time_t now)
1108 {
1109 struct smbldap_state *state = (struct smbldap_state *)(*data);
1110
1111 if (state->ldap_struct == NULL) {
1112 DEBUG(10,("ldap connection not connected...\n"));
1113 return;
1114 }
1115
1116 if ((state->last_use+SMBLDAP_IDLE_TIME) > now) {
1117 DEBUG(10,("ldap connection not idle...\n"));
1118 return;
1119 }
1120
1121 DEBUG(7,("ldap connection idle...closing connection\n"));
1122 smbldap_close(state);
1123 }
1124
1125 /**********************************************************************
1126 Housekeeping
1127 *********************************************************************/
1128
1129 void smbldap_free_struct(struct smbldap_state **ldap_state)
1130 {
1131 smbldap_close(*ldap_state);
1132
1133 if ((*ldap_state)->bind_secret) {
1134 memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret));
1135 }
1136
1137 SAFE_FREE((*ldap_state)->bind_dn);
1138 SAFE_FREE((*ldap_state)->bind_secret);
1139
1140 smb_unregister_idle_event((*ldap_state)->event_id);
1141
1142 *ldap_state = NULL;
1143
1144 /* No need to free any further, as it is talloc()ed */
1145 }
1146
1147
1148 /**********************************************************************
1149 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1150 *********************************************************************/
1151
1152 NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, const char *location, struct smbldap_state **smbldap_state)
1153 {
1154 *smbldap_state = talloc_zero(mem_ctx, sizeof(**smbldap_state));
1155 if (!*smbldap_state) {
1156 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1157 return NT_STATUS_NO_MEMORY;
1158 }
1159
1160 if (location) {
1161 (*smbldap_state)->uri = talloc_strdup(mem_ctx, location);
1162 } else {
1163 (*smbldap_state)->uri = "ldap://localhost";
1164 }
1165
1166 (*smbldap_state)->event_id =
1167 smb_register_idle_event(smbldap_idle_fn, (void *)(*smbldap_state),
1168 SMBLDAP_IDLE_TIME);
1169
1170 if ((*smbldap_state)->event_id == SMB_EVENT_ID_INVALID) {
1171 DEBUG(0,("Failed to register LDAP idle event!\n"));
1172 return NT_STATUS_INVALID_HANDLE;
1173 }
1174
1175 return NT_STATUS_OK;
1176 }
1177
1178 /**********************************************************************
1179 Add the sambaDomain to LDAP, so we don't have to search for this stuff
1180 again. This is a once-add operation for now.
1181
1182 TODO: Add other attributes, and allow modification.
1183 *********************************************************************/
1184 static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
1185 const char *domain_name)
1186 {
1187 fstring sid_string;
1188 fstring algorithmic_rid_base_string;
1189 pstring filter, dn;
1190 LDAPMod **mods = NULL;
1191 int rc;
1192 int ldap_op;
1193 LDAPMessage *result = NULL;
1194 int num_result;
1195 char **attr_list;
1196 uid_t u_low, u_high;
1197 gid_t g_low, g_high;
1198 uint32 rid_low, rid_high;
1199
1200 slprintf (filter, sizeof (filter) - 1, "(&(%s=%s)(objectclass=%s))",
1201 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1202 domain_name, LDAP_OBJ_DOMINFO);
1203
1204 attr_list = get_attr_list( dominfo_attr_list );
1205 rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
1206 free_attr_list( attr_list );
1207
1208 if (rc != LDAP_SUCCESS) {
1209 return NT_STATUS_UNSUCCESSFUL;
1210 }
1211
1212 num_result = ldap_count_entries(ldap_state->ldap_struct, result);
1213
1214 if (num_result > 1) {
1215 DEBUG (0, ("More than domain with that name exists: bailing out!\n"));
1216 ldap_msgfree(result);
1217 return NT_STATUS_UNSUCCESSFUL;
1218 }
1219
1220 /* Check if we need to add an entry */
1221 DEBUG(3,("Adding new domain\n"));
1222 ldap_op = LDAP_MOD_ADD;
1223
1224 pstr_sprintf(dn, "%s=%s,%s", get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1225 domain_name, lp_ldap_suffix());
1226
1227 /* Free original search */
1228 ldap_msgfree(result);
1229
1230 /* make the changes - the entry *must* not already have samba attributes */
1231 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1232 domain_name);
1233
1234 /* If we don't have an entry, then ask secrets.tdb for what it thinks.
1235 It may choose to make it up */
1236
1237 sid_to_string(sid_string, get_global_sam_sid());
1238 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOM_SID), sid_string);
1239
1240 slprintf(algorithmic_rid_base_string, sizeof(algorithmic_rid_base_string) - 1, "%i", algorithmic_rid_base());
1241 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_ALGORITHMIC_RID_BASE),
1242 algorithmic_rid_base_string);
1243 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);
1244
1245 /* add the sambaNext[User|Group]Rid attributes if the idmap ranges are set.
1246 TODO: fix all the places where the line between idmap and normal operations
1247 needed by smbd gets fuzzy --jerry 2003-08-11 */
1248
1249 if ( lp_idmap_uid(&u_low, &u_high) && lp_idmap_gid(&g_low, &g_high)
1250 && get_free_rid_range(&rid_low, &rid_high) )
1251 {
1252 fstring rid_str;
1253
1254 fstr_sprintf( rid_str, "%i", rid_high|USER_RID_TYPE );
1255 DEBUG(10,("setting next available user rid [%s]\n", rid_str));
1256 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1257 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_USERRID),
1258 rid_str);
1259
1260 fstr_sprintf( rid_str, "%i", rid_high|GROUP_RID_TYPE );
1261 DEBUG(10,("setting next available group rid [%s]\n", rid_str));
1262 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1263 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_GROUPRID),
1264 rid_str);
1265
1266 }
1267
1268
1269 switch(ldap_op)
1270 {
1271 case LDAP_MOD_ADD:
1272 rc = smbldap_add(ldap_state, dn, mods);
1273 break;
1274 case LDAP_MOD_REPLACE:
1275 rc = smbldap_modify(ldap_state, dn, mods);
1276 break;
1277 default:
1278 DEBUG(0,("Wrong LDAP operation type: %d!\n", ldap_op));
1279 return NT_STATUS_INVALID_PARAMETER;
1280 }
1281
1282 if (rc!=LDAP_SUCCESS) {
1283 char *ld_error = NULL;
1284 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
1285 DEBUG(1,("failed to %s domain dn= %s with: %s\n\t%s\n",
1286 ldap_op == LDAP_MOD_ADD ? "add" : "modify",
1287 dn, ldap_err2string(rc),
1288 ld_error?ld_error:"unknown"));
1289 SAFE_FREE(ld_error);
1290
1291 ldap_mods_free(mods, True);
1292 return NT_STATUS_UNSUCCESSFUL;
1293 }
1294
1295 DEBUG(2,("added: domain = %s in the LDAP database\n", domain_name));
1296 ldap_mods_free(mods, True);
1297 return NT_STATUS_OK;
1298 }
1299
1300 /**********************************************************************
1301 Search for the domain info entry
1302 *********************************************************************/
1303 NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
1304 LDAPMessage ** result, const char *domain_name,
1305 BOOL try_add)
1306 {
1307 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1308 pstring filter;
1309 int rc;
1310 char **attr_list;
1311 int count;
1312
1313 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
1314 LDAP_OBJ_DOMINFO,
1315 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1316 domain_name);
1317
1318 DEBUG(2, ("Searching for:[%s]\n", filter));
1319
1320
1321 attr_list = get_attr_list( dominfo_attr_list );
1322 rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
1323 free_attr_list( attr_list );
1324
1325 if (rc != LDAP_SUCCESS) {
1326 DEBUG(2,("Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
1327 DEBUG(2,("Query was: %s, %s\n", lp_ldap_suffix(), filter));
1328 } else if (ldap_count_entries(ldap_state->ldap_struct, *result) < 1) {
1329 DEBUG(3, ("Got no domain info entries for domain\n"));
1330 ldap_msgfree(*result);
1331 *result = NULL;
1332 if (try_add && NT_STATUS_IS_OK(ret = add_new_domain_info(ldap_state, domain_name))) {
1333 return smbldap_search_domain_info(ldap_state, result, domain_name, False);
1334 }
1335 else {
1336 DEBUG(0, ("Adding domain info for %s failed with %s\n",
1337 domain_name, nt_errstr(ret)));
1338 return ret;
1339 }
1340 } else if ((count = ldap_count_entries(ldap_state->ldap_struct, *result)) > 1) {
1341 DEBUG(0, ("Got too many (%d) domain info entries for domain %s\n",
1342 count, domain_name));
1343 ldap_msgfree(*result);
1344 *result = NULL;
1345 return ret;
1346 } else {
1347 return NT_STATUS_OK;
1348 }
1349
1350 return ret;
1351 }
1352
1353 /*******************************************************************
1354 Return a copy of the DN for a LDAPMessage. Convert from utf8 to CH_UNIX.
1355 ********************************************************************/
1356
1357 char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
1358 {
1359 char *utf8_dn, *unix_dn;
1360
1361 utf8_dn = ldap_get_dn(ld, entry);
1362 if (!utf8_dn) {
1363 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1364 return NULL;
1365 }
1366 if (pull_utf8_allocate(&unix_dn, utf8_dn) == (size_t)-1) {
1367 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 [%s]\n", utf8_dn));
1368 return NULL;
1369 }
1370 ldap_memfree(utf8_dn);
1371 return unix_dn;
1372 }
1373
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