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auth/auth_util.c:
[Samba.git] / source / lib / smbldap.c
blobe66724a361dfa7612eb871ad30c508cb2078c690
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 if (existed) {
442 /* There has been no value before, so don't delete it.
443 * Here's a possible race: We might end up with
444 * duplicate attributes */
445 /* By deleting exactly the value we found in the entry this
446 * should be race-free in the sense that the LDAP-Server will
447 * deny the complete operation if somebody changed the
448 * attribute behind our back. */
449 /* This will also allow modifying single valued attributes
450 * in Novell NDS. In NDS you have to first remove attribute and then
451 * you could add new value */
452
453 smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, oldval);
454 }
455
456 smbldap_set_mod(mods, LDAP_MOD_ADD, attribute, newval);
457 }
458 }
459
460 /**********************************************************************
461 Some varients of the LDAP rebind code do not pass in the third 'arg'
462 pointer to a void*, so we try and work around it by assuming that the
463 value of the 'LDAP *' pointer is the same as the one we had passed in
464 **********************************************************************/
465
466 struct smbldap_state_lookup {
467 LDAP *ld;
468 struct smbldap_state *smbldap_state;
469 struct smbldap_state_lookup *prev, *next;
470 };
471
472 static struct smbldap_state_lookup *smbldap_state_lookup_list;
473
474 static struct smbldap_state *smbldap_find_state(LDAP *ld)
475 {
476 struct smbldap_state_lookup *t;
477
478 for (t = smbldap_state_lookup_list; t; t = t->next) {
479 if (t->ld == ld) {
480 return t->smbldap_state;
481 }
482 }
483 return NULL;
484 }
485
486 static void smbldap_delete_state(struct smbldap_state *smbldap_state)
487 {
488 struct smbldap_state_lookup *t;
489
490 for (t = smbldap_state_lookup_list; t; t = t->next) {
491 if (t->smbldap_state == smbldap_state) {
492 DLIST_REMOVE(smbldap_state_lookup_list, t);
493 SAFE_FREE(t);
494 return;
495 }
496 }
497 }
498
499 static void smbldap_store_state(LDAP *ld, struct smbldap_state *smbldap_state)
500 {
501 struct smbldap_state *tmp_ldap_state;
502 struct smbldap_state_lookup *t;
503 struct smbldap_state_lookup *tmp;
504
505 if ((tmp_ldap_state = smbldap_find_state(ld))) {
506 SMB_ASSERT(tmp_ldap_state == smbldap_state);
507 return;
508 }
509
510 t = smb_xmalloc(sizeof(*t));
511 ZERO_STRUCTP(t);
512
513 DLIST_ADD_END(smbldap_state_lookup_list, t, tmp);
514 t->ld = ld;
515 t->smbldap_state = smbldap_state;
516 }
517
518 /*******************************************************************
519 open a connection to the ldap server.
520 ******************************************************************/
521 static int smbldap_open_connection (struct smbldap_state *ldap_state)
522
523 {
524 int rc = LDAP_SUCCESS;
525 int version;
526 BOOL ldap_v3 = False;
527 LDAP **ldap_struct = &ldap_state->ldap_struct;
528
529 #ifdef HAVE_LDAP_INITIALIZE
530 DEBUG(10, ("smbldap_open_connection: %s\n", ldap_state->uri));
531
532 if ((rc = ldap_initialize(ldap_struct, ldap_state->uri)) != LDAP_SUCCESS) {
533 DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc)));
534 return rc;
535 }
536 #else
537
538 /* Parse the string manually */
539
540 {
541 int port = 0;
542 fstring protocol;
543 fstring host;
544 const char *p = ldap_state->uri;
545 SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254);
546
547 /* skip leading "URL:" (if any) */
548 if ( strnequal( p, "URL:", 4 ) ) {
549 p += 4;
550 }
551
552 sscanf(p, "%10[^:]://%254[^:/]:%d", protocol, host, &port);
553
554 if (port == 0) {
555 if (strequal(protocol, "ldap")) {
556 port = LDAP_PORT;
557 } else if (strequal(protocol, "ldaps")) {
558 port = LDAPS_PORT;
559 } else {
560 DEBUG(0, ("unrecognised protocol (%s)!\n", protocol));
561 }
562 }
563
564 if ((*ldap_struct = ldap_init(host, port)) == NULL) {
565 DEBUG(0, ("ldap_init failed !\n"));
566 return LDAP_OPERATIONS_ERROR;
567 }
568
569 if (strequal(protocol, "ldaps")) {
570 #ifdef LDAP_OPT_X_TLS
571 int tls = LDAP_OPT_X_TLS_HARD;
572 if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
573 {
574 DEBUG(0, ("Failed to setup a TLS session\n"));
575 }
576
577 DEBUG(3,("LDAPS option set...!\n"));
578 #else
579 DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
580 return LDAP_OPERATIONS_ERROR;
581 #endif
582 }
583 }
584 #endif
585
586 /* Store the LDAP pointer in a lookup list */
587
588 smbldap_store_state(*ldap_struct, ldap_state);
589
590 /* Upgrade to LDAPv3 if possible */
591
592 if (ldap_get_option(*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS)
593 {
594 if (version != LDAP_VERSION3)
595 {
596 version = LDAP_VERSION3;
597 if (ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS) {
598 ldap_v3 = True;
599 }
600 } else {
601 ldap_v3 = True;
602 }
603 }
604
605 if (lp_ldap_ssl() == LDAP_SSL_START_TLS) {
606 #ifdef LDAP_OPT_X_TLS
607 if (ldap_v3) {
608 if ((rc = ldap_start_tls_s (*ldap_struct, NULL, NULL)) != LDAP_SUCCESS)
609 {
610 DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
611 ldap_err2string(rc)));
612 return rc;
613 }
614 DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
615 } else {
616
617 DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
618 return LDAP_OPERATIONS_ERROR;
619 }
620 #else
621 DEBUG(0,("smbldap_open_connection: StartTLS not supported by LDAP client libraries!\n"));
622 return LDAP_OPERATIONS_ERROR;
623 #endif
624 }
625
626 DEBUG(2, ("smbldap_open_connection: connection opened\n"));
627 return rc;
628 }
629
630
631 /*******************************************************************
632 a rebind function for authenticated referrals
633 This version takes a void* that we can shove useful stuff in :-)
634 ******************************************************************/
635 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
636 #else
637 static int rebindproc_with_state (LDAP * ld, char **whop, char **credp,
638 int *methodp, int freeit, void *arg)
639 {
640 struct smbldap_state *ldap_state = arg;
641
642 /** @TODO Should we be doing something to check what servers we rebind to?
643 Could we get a referral to a machine that we don't want to give our
644 username and password to? */
645
646 if (freeit) {
647 SAFE_FREE(*whop);
648 memset(*credp, '\0', strlen(*credp));
649 SAFE_FREE(*credp);
650 } else {
651 DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
652 ldap_state->bind_dn));
653
654 *whop = strdup(ldap_state->bind_dn);
655 if (!*whop) {
656 return LDAP_NO_MEMORY;
657 }
658 *credp = strdup(ldap_state->bind_secret);
659 if (!*credp) {
660 SAFE_FREE(*whop);
661 return LDAP_NO_MEMORY;
662 }
663 *methodp = LDAP_AUTH_SIMPLE;
664 }
665
666 gettimeofday(&(ldap_state->last_rebind),NULL);
667
668 return 0;
669 }
670 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
671
672 /*******************************************************************
673 a rebind function for authenticated referrals
674 This version takes a void* that we can shove useful stuff in :-)
675 and actually does the connection.
676 ******************************************************************/
677 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
678 static int rebindproc_connect_with_state (LDAP *ldap_struct,
679 LDAP_CONST char *url,
680 ber_tag_t request,
681 ber_int_t msgid, void *arg)
682 {
683 struct smbldap_state *ldap_state = arg;
684 int rc;
685 DEBUG(5,("rebindproc_connect_with_state: Rebinding as \"%s\"\n",
686 ldap_state->bind_dn));
687
688 /** @TODO Should we be doing something to check what servers we rebind to?
689 Could we get a referral to a machine that we don't want to give our
690 username and password to? */
691
692 rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
693
694 gettimeofday(&(ldap_state->last_rebind),NULL);
695
696 return rc;
697 }
698 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
699
700 /*******************************************************************
701 Add a rebind function for authenticated referrals
702 ******************************************************************/
703 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
704 #else
705 # if LDAP_SET_REBIND_PROC_ARGS == 2
706 static int rebindproc (LDAP *ldap_struct, char **whop, char **credp,
707 int *method, int freeit )
708 {
709 struct smbldap_state *ldap_state = smbldap_find_state(ldap_struct);
710
711 return rebindproc_with_state(ldap_struct, whop, credp,
712 method, freeit, ldap_state);
713
714 }
715 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
716 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
717
718 /*******************************************************************
719 a rebind function for authenticated referrals
720 this also does the connection, but no void*.
721 ******************************************************************/
722 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
723 # if LDAP_SET_REBIND_PROC_ARGS == 2
724 static int rebindproc_connect (LDAP * ld, LDAP_CONST char *url, int request,
725 ber_int_t msgid)
726 {
727 struct smbldap_state *ldap_state = smbldap_find_state(ld);
728
729 return rebindproc_connect_with_state(ld, url, (ber_tag_t)request, msgid,
730 ldap_state);
731 }
732 # endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
733 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
734
735 /*******************************************************************
736 connect to the ldap server under system privilege.
737 ******************************************************************/
738 static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_struct)
739 {
740 int rc;
741 char *ldap_dn;
742 char *ldap_secret;
743
744 /* get the password */
745 if (!fetch_ldap_pw(&ldap_dn, &ldap_secret))
746 {
747 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
748 return LDAP_INVALID_CREDENTIALS;
749 }
750
751 ldap_state->bind_dn = ldap_dn;
752 ldap_state->bind_secret = ldap_secret;
753
754 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
755 (OpenLDAP) doesnt' seem to support it */
756
757 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
758 ldap_state->uri, ldap_dn));
759
760 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
761 # if LDAP_SET_REBIND_PROC_ARGS == 2
762 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect);
763 # endif
764 # if LDAP_SET_REBIND_PROC_ARGS == 3
765 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state);
766 # endif
767 #else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
768 # if LDAP_SET_REBIND_PROC_ARGS == 2
769 ldap_set_rebind_proc(ldap_struct, &rebindproc);
770 # endif
771 # if LDAP_SET_REBIND_PROC_ARGS == 3
772 ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state);
773 # endif
774 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
775
776 rc = ldap_simple_bind_s(ldap_struct, ldap_dn, ldap_secret);
777
778 if (rc != LDAP_SUCCESS) {
779 char *ld_error = NULL;
780 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
781 &ld_error);
782 DEBUG(ldap_state->num_failures ? 2 : 0,
783 ("failed to bind to server with dn= %s Error: %s\n\t%s\n",
784 ldap_dn ? ldap_dn : "(unknown)", ldap_err2string(rc),
785 ld_error ? ld_error : "(unknown)"));
786 SAFE_FREE(ld_error);
787 ldap_state->num_failures++;
788 return rc;
789 }
790
791 ldap_state->num_failures = 0;
792
793 DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n"));
794 return rc;
795 }
796
797 /**********************************************************************
798 Connect to LDAP server (called before every ldap operation)
799 *********************************************************************/
800 static int smbldap_open(struct smbldap_state *ldap_state)
801 {
802 int rc;
803 SMB_ASSERT(ldap_state);
804
805 #ifndef NO_LDAP_SECURITY
806 if (geteuid() != 0) {
807 DEBUG(0, ("smbldap_open: cannot access LDAP when not root..\n"));
808 return LDAP_INSUFFICIENT_ACCESS;
809 }
810 #endif
811
812 if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
813 struct sockaddr_un addr;
814 socklen_t len = sizeof(addr);
815 int sd;
816 if (ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd) == 0 &&
817 getpeername(sd, (struct sockaddr *) &addr, &len) < 0) {
818 /* the other end has died. reopen. */
819 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
820 ldap_state->ldap_struct = NULL;
821 ldap_state->last_ping = (time_t)0;
822 } else {
823 ldap_state->last_ping = time(NULL);
824 }
825 }
826
827 if (ldap_state->ldap_struct != NULL) {
828 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
829 return LDAP_SUCCESS;
830 }
831
832 if ((rc = smbldap_open_connection(ldap_state))) {
833 return rc;
834 }
835
836 if ((rc = smbldap_connect_system(ldap_state, ldap_state->ldap_struct))) {
837 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
838 ldap_state->ldap_struct = NULL;
839 return rc;
840 }
841
842
843 ldap_state->last_ping = time(NULL);
844 DEBUG(4,("The LDAP server is succesful connected\n"));
845
846 return LDAP_SUCCESS;
847 }
848
849 /**********************************************************************
850 Disconnect from LDAP server
851 *********************************************************************/
852 static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
853 {
854 if (!ldap_state)
855 return NT_STATUS_INVALID_PARAMETER;
856
857 if (ldap_state->ldap_struct != NULL) {
858 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
859 ldap_state->ldap_struct = NULL;
860 }
861
862 smbldap_delete_state(ldap_state);
863
864 DEBUG(5,("The connection to the LDAP server was closed\n"));
865 /* maybe free the results here --metze */
866
867
868
869 return NT_STATUS_OK;
870 }
871
872 int smbldap_retry_open(struct smbldap_state *ldap_state, int *attempts)
873 {
874 int rc;
875
876 SMB_ASSERT(ldap_state && attempts);
877
878 if (*attempts != 0) {
879 unsigned int sleep_time;
880 uint8 rand_byte;
881
882 /* Sleep for a random timeout */
883 rand_byte = (char)(sys_random());
884
885 sleep_time = (((*attempts)*(*attempts))/2)*rand_byte*2;
886 /* we retry after (0.5, 1, 2, 3, 4.5, 6) seconds
887 on average.
888 */
889 DEBUG(3, ("Sleeping for %u milliseconds before reconnecting\n",
890 sleep_time));
891 msleep(sleep_time);
892 }
893 (*attempts)++;
894
895 if ((rc = smbldap_open(ldap_state))) {
896 DEBUG(1,("Connection to LDAP Server failed for the %d try!\n",*attempts));
897 return rc;
898 }
899
900 return LDAP_SUCCESS;
901 }
902
903
904 /*********************************************************************
905 ********************************************************************/
906
907 int smbldap_search(struct smbldap_state *ldap_state,
908 const char *base, int scope, const char *filter,
909 char *attrs[], int attrsonly,
910 LDAPMessage **res)
911 {
912 int rc = LDAP_SERVER_DOWN;
913 int attempts = 0;
914 char *utf8_filter;
915
916 SMB_ASSERT(ldap_state);
917
918 if (ldap_state->last_rebind.tv_sec > 0) {
919 struct timeval tval;
920 int tdiff = 0;
921 int sleep_time = 0;
922
923 ZERO_STRUCT(tval);
924
925 gettimeofday(&tval,NULL);
926
927 tdiff = 1000000 *(tval.tv_sec - ldap_state->last_rebind.tv_sec) +
928 (tval.tv_usec - ldap_state->last_rebind.tv_usec);
929
930 sleep_time = ((1000*lp_ldap_replication_sleep())-tdiff)/1000;
931
932 if (sleep_time > 0) {
933 /* we wait for the LDAP replication */
934 DEBUG(5,("smbldap_search: waiting %d milliseconds for LDAP replication.\n",sleep_time));
935 msleep(sleep_time);
936 DEBUG(5,("smbldap_search: go on!\n"));
937 ZERO_STRUCT(ldap_state->last_rebind);
938 }
939 }
940
941 if (push_utf8_allocate(&utf8_filter, filter) == (size_t)-1) {
942 return LDAP_NO_MEMORY;
943 }
944
945 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
946
947 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
948 continue;
949
950 rc = ldap_search_s(ldap_state->ldap_struct, base, scope,
951 utf8_filter, attrs, attrsonly, res);
952 }
953
954 if (rc == LDAP_SERVER_DOWN) {
955 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
956 smbldap_close(ldap_state);
957 }
958
959 ldap_state->last_use = time(NULL);
960
961 SAFE_FREE(utf8_filter);
962 return rc;
963 }
964
965 int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
966 {
967 int rc = LDAP_SERVER_DOWN;
968 int attempts = 0;
969 char *utf8_dn;
970
971 SMB_ASSERT(ldap_state);
972
973 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
974 return LDAP_NO_MEMORY;
975 }
976
977 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
978
979 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
980 continue;
981
982 rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs);
983 }
984
985 if (rc == LDAP_SERVER_DOWN) {
986 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
987 smbldap_close(ldap_state);
988 }
989
990 ldap_state->last_use = time(NULL);
991
992 SAFE_FREE(utf8_dn);
993 return rc;
994 }
995
996 int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
997 {
998 int rc = LDAP_SERVER_DOWN;
999 int attempts = 0;
1000 char *utf8_dn;
1001
1002 SMB_ASSERT(ldap_state);
1003
1004 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1005 return LDAP_NO_MEMORY;
1006 }
1007
1008 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1009
1010 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1011 continue;
1012
1013 rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs);
1014 }
1015
1016 if (rc == LDAP_SERVER_DOWN) {
1017 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1018 smbldap_close(ldap_state);
1019 }
1020
1021 ldap_state->last_use = time(NULL);
1022
1023 SAFE_FREE(utf8_dn);
1024 return rc;
1025 }
1026
1027 int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
1028 {
1029 int rc = LDAP_SERVER_DOWN;
1030 int attempts = 0;
1031 char *utf8_dn;
1032
1033 SMB_ASSERT(ldap_state);
1034
1035 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1036 return LDAP_NO_MEMORY;
1037 }
1038
1039 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1040
1041 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1042 continue;
1043
1044 rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn);
1045 }
1046
1047 if (rc == LDAP_SERVER_DOWN) {
1048 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1049 smbldap_close(ldap_state);
1050 }
1051
1052 ldap_state->last_use = time(NULL);
1053
1054 SAFE_FREE(utf8_dn);
1055 return rc;
1056 }
1057
1058 int smbldap_extended_operation(struct smbldap_state *ldap_state,
1059 LDAP_CONST char *reqoid, struct berval *reqdata,
1060 LDAPControl **serverctrls, LDAPControl **clientctrls,
1061 char **retoidp, struct berval **retdatap)
1062 {
1063 int rc = LDAP_SERVER_DOWN;
1064 int attempts = 0;
1065
1066 if (!ldap_state)
1067 return (-1);
1068
1069 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1070
1071 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1072 continue;
1073
1074 rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid, reqdata,
1075 serverctrls, clientctrls, retoidp, retdatap);
1076 }
1077
1078 if (rc == LDAP_SERVER_DOWN) {
1079 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1080 smbldap_close(ldap_state);
1081 }
1082
1083 ldap_state->last_use = time(NULL);
1084
1085 return rc;
1086 }
1087
1088 /*******************************************************************
1089 run the search by name.
1090 ******************************************************************/
1091 int smbldap_search_suffix (struct smbldap_state *ldap_state, const char *filter,
1092 char **search_attr, LDAPMessage ** result)
1093 {
1094 int scope = LDAP_SCOPE_SUBTREE;
1095 int rc;
1096
1097 DEBUG(2, ("smbldap_search_suffix: searching for:[%s]\n", filter));
1098
1099 rc = smbldap_search(ldap_state, lp_ldap_suffix(), scope, filter, search_attr, 0, result);
1100
1101 if (rc != LDAP_SUCCESS) {
1102 char *ld_error = NULL;
1103 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1104 &ld_error);
1105 DEBUG(0,("smbldap_search_suffix: Problem during the LDAP search: %s (%s)\n",
1106 ld_error?ld_error:"(unknown)", ldap_err2string (rc)));
1107 DEBUG(3,("smbldap_search_suffix: Query was: %s, %s\n", lp_ldap_suffix(),
1108 filter));
1109 SAFE_FREE(ld_error);
1110 }
1111
1112 return rc;
1113 }
1114
1115 static void smbldap_idle_fn(void **data, time_t *interval, time_t now)
1116 {
1117 struct smbldap_state *state = (struct smbldap_state *)(*data);
1118
1119 if (state->ldap_struct == NULL) {
1120 DEBUG(10,("ldap connection not connected...\n"));
1121 return;
1122 }
1123
1124 if ((state->last_use+SMBLDAP_IDLE_TIME) > now) {
1125 DEBUG(10,("ldap connection not idle...\n"));
1126 return;
1127 }
1128
1129 DEBUG(7,("ldap connection idle...closing connection\n"));
1130 smbldap_close(state);
1131 }
1132
1133 /**********************************************************************
1134 Housekeeping
1135 *********************************************************************/
1136
1137 void smbldap_free_struct(struct smbldap_state **ldap_state)
1138 {
1139 smbldap_close(*ldap_state);
1140
1141 if ((*ldap_state)->bind_secret) {
1142 memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret));
1143 }
1144
1145 SAFE_FREE((*ldap_state)->bind_dn);
1146 SAFE_FREE((*ldap_state)->bind_secret);
1147
1148 smb_unregister_idle_event((*ldap_state)->event_id);
1149
1150 *ldap_state = NULL;
1151
1152 /* No need to free any further, as it is talloc()ed */
1153 }
1154
1155
1156 /**********************************************************************
1157 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1158 *********************************************************************/
1159
1160 NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, const char *location, struct smbldap_state **smbldap_state)
1161 {
1162 *smbldap_state = talloc_zero(mem_ctx, sizeof(**smbldap_state));
1163 if (!*smbldap_state) {
1164 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1165 return NT_STATUS_NO_MEMORY;
1166 }
1167
1168 if (location) {
1169 (*smbldap_state)->uri = talloc_strdup(mem_ctx, location);
1170 } else {
1171 (*smbldap_state)->uri = "ldap://localhost";
1172 }
1173
1174 (*smbldap_state)->event_id =
1175 smb_register_idle_event(smbldap_idle_fn, (void *)(*smbldap_state),
1176 SMBLDAP_IDLE_TIME);
1177
1178 if ((*smbldap_state)->event_id == SMB_EVENT_ID_INVALID) {
1179 DEBUG(0,("Failed to register LDAP idle event!\n"));
1180 return NT_STATUS_INVALID_HANDLE;
1181 }
1182
1183 return NT_STATUS_OK;
1184 }
1185
1186 /**********************************************************************
1187 Add the sambaDomain to LDAP, so we don't have to search for this stuff
1188 again. This is a once-add operation for now.
1189
1190 TODO: Add other attributes, and allow modification.
1191 *********************************************************************/
1192 static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
1193 const char *domain_name)
1194 {
1195 fstring sid_string;
1196 fstring algorithmic_rid_base_string;
1197 pstring filter, dn;
1198 LDAPMod **mods = NULL;
1199 int rc;
1200 int ldap_op;
1201 LDAPMessage *result = NULL;
1202 int num_result;
1203 char **attr_list;
1204 uid_t u_low, u_high;
1205 gid_t g_low, g_high;
1206 uint32 rid_low, rid_high;
1207
1208 slprintf (filter, sizeof (filter) - 1, "(&(%s=%s)(objectclass=%s))",
1209 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1210 domain_name, LDAP_OBJ_DOMINFO);
1211
1212 attr_list = get_attr_list( dominfo_attr_list );
1213 rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
1214 free_attr_list( attr_list );
1215
1216 if (rc != LDAP_SUCCESS) {
1217 return NT_STATUS_UNSUCCESSFUL;
1218 }
1219
1220 num_result = ldap_count_entries(ldap_state->ldap_struct, result);
1221
1222 if (num_result > 1) {
1223 DEBUG (0, ("More than domain with that name exists: bailing out!\n"));
1224 ldap_msgfree(result);
1225 return NT_STATUS_UNSUCCESSFUL;
1226 }
1227
1228 /* Check if we need to add an entry */
1229 DEBUG(3,("Adding new domain\n"));
1230 ldap_op = LDAP_MOD_ADD;
1231
1232 pstr_sprintf(dn, "%s=%s,%s", get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1233 domain_name, lp_ldap_suffix());
1234
1235 /* Free original search */
1236 ldap_msgfree(result);
1237
1238 /* make the changes - the entry *must* not already have samba attributes */
1239 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1240 domain_name);
1241
1242 /* If we don't have an entry, then ask secrets.tdb for what it thinks.
1243 It may choose to make it up */
1244
1245 sid_to_string(sid_string, get_global_sam_sid());
1246 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOM_SID), sid_string);
1247
1248 slprintf(algorithmic_rid_base_string, sizeof(algorithmic_rid_base_string) - 1, "%i", algorithmic_rid_base());
1249 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_ALGORITHMIC_RID_BASE),
1250 algorithmic_rid_base_string);
1251 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);
1252
1253 /* add the sambaNext[User|Group]Rid attributes if the idmap ranges are set.
1254 TODO: fix all the places where the line between idmap and normal operations
1255 needed by smbd gets fuzzy --jerry 2003-08-11 */
1256
1257 if ( lp_idmap_uid(&u_low, &u_high) && lp_idmap_gid(&g_low, &g_high)
1258 && get_free_rid_range(&rid_low, &rid_high) )
1259 {
1260 fstring rid_str;
1261
1262 fstr_sprintf( rid_str, "%i", rid_high|USER_RID_TYPE );
1263 DEBUG(10,("setting next available user rid [%s]\n", rid_str));
1264 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1265 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_USERRID),
1266 rid_str);
1267
1268 fstr_sprintf( rid_str, "%i", rid_high|GROUP_RID_TYPE );
1269 DEBUG(10,("setting next available group rid [%s]\n", rid_str));
1270 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1271 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_GROUPRID),
1272 rid_str);
1273
1274 }
1275
1276
1277 switch(ldap_op)
1278 {
1279 case LDAP_MOD_ADD:
1280 rc = smbldap_add(ldap_state, dn, mods);
1281 break;
1282 case LDAP_MOD_REPLACE:
1283 rc = smbldap_modify(ldap_state, dn, mods);
1284 break;
1285 default:
1286 DEBUG(0,("Wrong LDAP operation type: %d!\n", ldap_op));
1287 return NT_STATUS_INVALID_PARAMETER;
1288 }
1289
1290 if (rc!=LDAP_SUCCESS) {
1291 char *ld_error = NULL;
1292 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
1293 DEBUG(1,("failed to %s domain dn= %s with: %s\n\t%s\n",
1294 ldap_op == LDAP_MOD_ADD ? "add" : "modify",
1295 dn, ldap_err2string(rc),
1296 ld_error?ld_error:"unknown"));
1297 SAFE_FREE(ld_error);
1298
1299 ldap_mods_free(mods, True);
1300 return NT_STATUS_UNSUCCESSFUL;
1301 }
1302
1303 DEBUG(2,("added: domain = %s in the LDAP database\n", domain_name));
1304 ldap_mods_free(mods, True);
1305 return NT_STATUS_OK;
1306 }
1307
1308 /**********************************************************************
1309 Search for the domain info entry
1310 *********************************************************************/
1311 NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
1312 LDAPMessage ** result, const char *domain_name,
1313 BOOL try_add)
1314 {
1315 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1316 pstring filter;
1317 int rc;
1318 char **attr_list;
1319 int count;
1320
1321 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
1322 LDAP_OBJ_DOMINFO,
1323 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1324 domain_name);
1325
1326 DEBUG(2, ("Searching for:[%s]\n", filter));
1327
1328
1329 attr_list = get_attr_list( dominfo_attr_list );
1330 rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
1331 free_attr_list( attr_list );
1332
1333 if (rc != LDAP_SUCCESS) {
1334 DEBUG(2,("Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
1335 DEBUG(2,("Query was: %s, %s\n", lp_ldap_suffix(), filter));
1336 } else if (ldap_count_entries(ldap_state->ldap_struct, *result) < 1) {
1337 DEBUG(3, ("Got no domain info entries for domain\n"));
1338 ldap_msgfree(*result);
1339 *result = NULL;
1340 if (try_add && NT_STATUS_IS_OK(ret = add_new_domain_info(ldap_state, domain_name))) {
1341 return smbldap_search_domain_info(ldap_state, result, domain_name, False);
1342 }
1343 else {
1344 DEBUG(0, ("Adding domain info for %s failed with %s\n",
1345 domain_name, nt_errstr(ret)));
1346 return ret;
1347 }
1348 } else if ((count = ldap_count_entries(ldap_state->ldap_struct, *result)) > 1) {
1349 DEBUG(0, ("Got too many (%d) domain info entries for domain %s\n",
1350 count, domain_name));
1351 ldap_msgfree(*result);
1352 *result = NULL;
1353 return ret;
1354 } else {
1355 return NT_STATUS_OK;
1356 }
1357
1358 return ret;
1359 }
1360
1361 /*******************************************************************
1362 Return a copy of the DN for a LDAPMessage. Convert from utf8 to CH_UNIX.
1363 ********************************************************************/
1364
1365 char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
1366 {
1367 char *utf8_dn, *unix_dn;
1368
1369 utf8_dn = ldap_get_dn(ld, entry);
1370 if (!utf8_dn) {
1371 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1372 return NULL;
1373 }
1374 if (pull_utf8_allocate(&unix_dn, utf8_dn) == (size_t)-1) {
1375 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 [%s]\n", utf8_dn));
1376 return NULL;
1377 }
1378 ldap_memfree(utf8_dn);
1379 return unix_dn;
1380 }
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