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Get MungedDial actually working with full TS strings in it for pdb_ldap.
[Samba/ekacnet.git] / source3 / lib / smbldap.c
blob2ade9d519790b6d849f0c3d8041e02e0b660a6eb
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_DESC, "description" },
126 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
127 { LDAP_ATTR_CN, "cn" },
128 { LDAP_ATTR_OBJCLASS, "objectClass" },
129 { LDAP_ATTR_LIST_END, NULL }
130 };
131
132 ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete[] = {
133 { LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
134 { LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
135 { LDAP_ATTR_DESC, "description" },
136 { LDAP_ATTR_DISPLAY_NAME, "displayName" },
137 { LDAP_ATTR_LIST_END, NULL }
138 };
139
140 /* idmap_ldap sambaUnixIdPool */
141
142 ATTRIB_MAP_ENTRY idpool_attr_list[] = {
143 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
144 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
145 { LDAP_ATTR_OBJCLASS, "objectClass" },
146 { LDAP_ATTR_LIST_END, NULL }
147 };
148
149 ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
150 { LDAP_ATTR_SID, LDAP_ATTRIBUTE_SID },
151 { LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
152 { LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
153 { LDAP_ATTR_OBJCLASS, "objectClass" },
154 { LDAP_ATTR_LIST_END, NULL }
155 };
156
157 /**********************************************************************
158 perform a simple table lookup and return the attribute name
159 **********************************************************************/
160
161 const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key )
162 {
163 int i = 0;
164
165 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
166 if ( table[i].attrib == key )
167 return table[i].name;
168 i++;
169 }
170
171 return NULL;
172 }
173
174
175 /**********************************************************************
176 Return the list of attribute names from a mapping table
177 **********************************************************************/
178
179 char** get_attr_list( ATTRIB_MAP_ENTRY table[] )
180 {
181 char **names;
182 int i = 0;
183
184 while ( table[i].attrib != LDAP_ATTR_LIST_END )
185 i++;
186 i++;
187
188 names = (char**)malloc( sizeof(char*)*i );
189 if ( !names ) {
190 DEBUG(0,("get_attr_list: out of memory\n"));
191 return NULL;
192 }
193
194 i = 0;
195 while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
196 names[i] = strdup( table[i].name );
197 i++;
198 }
199 names[i] = NULL;
200
201 return names;
202 }
203
204 /*********************************************************************
205 Cleanup
206 ********************************************************************/
207
208 void free_attr_list( char **list )
209 {
210 int i = 0;
211
212 if ( !list )
213 return;
214
215 while ( list[i] ) {
216 SAFE_FREE( list[i] );
217 i+=1;
218 }
219
220 SAFE_FREE( list );
221 }
222
223 /*******************************************************************
224 find the ldap password
225 ******************************************************************/
226 static BOOL fetch_ldap_pw(char **dn, char** pw)
227 {
228 char *key = NULL;
229 size_t size;
230
231 *dn = smb_xstrdup(lp_ldap_admin_dn());
232
233 if (asprintf(&key, "%s/%s", SECRETS_LDAP_BIND_PW, *dn) < 0) {
234 SAFE_FREE(*dn);
235 DEBUG(0, ("fetch_ldap_pw: asprintf failed!\n"));
236 }
237
238 *pw=secrets_fetch(key, &size);
239 SAFE_FREE(key);
240
241 if (!size) {
242 /* Upgrade 2.2 style entry */
243 char *p;
244 char* old_style_key = strdup(*dn);
245 char *data;
246 fstring old_style_pw;
247
248 if (!old_style_key) {
249 DEBUG(0, ("fetch_ldap_pw: strdup failed!\n"));
250 return False;
251 }
252
253 for (p=old_style_key; *p; p++)
254 if (*p == ',') *p = '/';
255
256 data=secrets_fetch(old_style_key, &size);
257 if (!size && size < sizeof(old_style_pw)) {
258 DEBUG(0,("fetch_ldap_pw: neither ldap secret retrieved!\n"));
259 SAFE_FREE(old_style_key);
260 SAFE_FREE(*dn);
261 return False;
262 }
263
264 size = MIN(size, sizeof(fstring)-1);
265 strncpy(old_style_pw, data, size);
266 old_style_pw[size] = 0;
267
268 SAFE_FREE(data);
269
270 if (!secrets_store_ldap_pw(*dn, old_style_pw)) {
271 DEBUG(0,("fetch_ldap_pw: ldap secret could not be upgraded!\n"));
272 SAFE_FREE(old_style_key);
273 SAFE_FREE(*dn);
274 return False;
275 }
276 if (!secrets_delete(old_style_key)) {
277 DEBUG(0,("fetch_ldap_pw: old ldap secret could not be deleted!\n"));
278 }
279
280 SAFE_FREE(old_style_key);
281
282 *pw = smb_xstrdup(old_style_pw);
283 }
284
285 return True;
286 }
287
288 /*******************************************************************
289 Search an attribute and return the first value found.
290 ******************************************************************/
291
292 BOOL smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
293 const char *attribute, char *value,
294 int max_len)
295 {
296 char **values;
297
298 if ( !attribute )
299 return False;
300
301 value[0] = '\0';
302
303 if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) {
304 DEBUG (10, ("smbldap_get_single_attribute: [%s] = [<does not exist>]\n", attribute));
305
306 return False;
307 }
308
309 if (convert_string(CH_UTF8, CH_UNIX,values[0], -1, value, max_len) == (size_t)-1) {
310 DEBUG(1, ("smbldap_get_single_attribute: string conversion of [%s] = [%s] failed!\n",
311 attribute, values[0]));
312 ldap_value_free(values);
313 return False;
314 }
315
316 ldap_value_free(values);
317 #ifdef DEBUG_PASSWORDS
318 DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n", attribute, value));
319 #endif
320 return True;
321 }
322
323 BOOL smbldap_get_single_pstring (LDAP * ldap_struct, LDAPMessage * entry,
324 const char *attribute, pstring value)
325 {
326 return smbldap_get_single_attribute(ldap_struct, entry,
327 attribute, value,
328 sizeof(pstring));
329 }
330
331 /************************************************************************
332 Routine to manage the LDAPMod structure array
333 manage memory used by the array, by each struct, and values
334 ***********************************************************************/
335
336 void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
337 {
338 LDAPMod **mods;
339 int i;
340 int j;
341
342 mods = *modlist;
343
344 /* sanity checks on the mod values */
345
346 if (attribute == NULL || *attribute == '\0')
347 return;
348 #if 0 /* commented out after discussion with abartlet. Do not reenable.
349 left here so other so re-add similar code --jerry */
350 if (value == NULL || *value == '\0')
351 return;
352 #endif
353
354 if (mods == NULL)
355 {
356 mods = (LDAPMod **) malloc(sizeof(LDAPMod *));
357 if (mods == NULL)
358 {
359 DEBUG(0, ("make_a_mod: out of memory!\n"));
360 return;
361 }
362 mods[0] = NULL;
363 }
364
365 for (i = 0; mods[i] != NULL; ++i) {
366 if (mods[i]->mod_op == modop && strequal(mods[i]->mod_type, attribute))
367 break;
368 }
369
370 if (mods[i] == NULL)
371 {
372 mods = (LDAPMod **) Realloc (mods, (i + 2) * sizeof (LDAPMod *));
373 if (mods == NULL)
374 {
375 DEBUG(0, ("make_a_mod: out of memory!\n"));
376 return;
377 }
378 mods[i] = (LDAPMod *) malloc(sizeof(LDAPMod));
379 if (mods[i] == NULL)
380 {
381 DEBUG(0, ("make_a_mod: out of memory!\n"));
382 return;
383 }
384 mods[i]->mod_op = modop;
385 mods[i]->mod_values = NULL;
386 mods[i]->mod_type = strdup(attribute);
387 mods[i + 1] = NULL;
388 }
389
390 if (value != NULL)
391 {
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),NULL);
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),NULL);
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 {
758 DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
759 return LDAP_INVALID_CREDENTIALS;
760 }
761
762 ldap_state->bind_dn = ldap_dn;
763 ldap_state->bind_secret = ldap_secret;
764
765 /* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
766 (OpenLDAP) doesnt' seem to support it */
767
768 DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
769 ldap_state->uri, ldap_dn));
770
771 #if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
772 # if LDAP_SET_REBIND_PROC_ARGS == 2
773 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect);
774 # endif
775 # if LDAP_SET_REBIND_PROC_ARGS == 3
776 ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state);
777 # endif
778 #else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
779 # if LDAP_SET_REBIND_PROC_ARGS == 2
780 ldap_set_rebind_proc(ldap_struct, &rebindproc);
781 # endif
782 # if LDAP_SET_REBIND_PROC_ARGS == 3
783 ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state);
784 # endif
785 #endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
786
787 rc = ldap_simple_bind_s(ldap_struct, ldap_dn, ldap_secret);
788
789 if (rc != LDAP_SUCCESS) {
790 char *ld_error = NULL;
791 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
792 &ld_error);
793 DEBUG(ldap_state->num_failures ? 2 : 0,
794 ("failed to bind to server with dn= %s Error: %s\n\t%s\n",
795 ldap_dn ? ldap_dn : "(unknown)", ldap_err2string(rc),
796 ld_error ? ld_error : "(unknown)"));
797 SAFE_FREE(ld_error);
798 ldap_state->num_failures++;
799 return rc;
800 }
801
802 ldap_state->num_failures = 0;
803
804 DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n"));
805 return rc;
806 }
807
808 /**********************************************************************
809 Connect to LDAP server (called before every ldap operation)
810 *********************************************************************/
811 static int smbldap_open(struct smbldap_state *ldap_state)
812 {
813 int rc;
814 SMB_ASSERT(ldap_state);
815
816 #ifndef NO_LDAP_SECURITY
817 if (geteuid() != 0) {
818 DEBUG(0, ("smbldap_open: cannot access LDAP when not root..\n"));
819 return LDAP_INSUFFICIENT_ACCESS;
820 }
821 #endif
822
823 if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
824 struct sockaddr_un addr;
825 socklen_t len = sizeof(addr);
826 int sd;
827 if (ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd) == 0 &&
828 getpeername(sd, (struct sockaddr *) &addr, &len) < 0) {
829 /* the other end has died. reopen. */
830 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
831 ldap_state->ldap_struct = NULL;
832 ldap_state->last_ping = (time_t)0;
833 } else {
834 ldap_state->last_ping = time(NULL);
835 }
836 }
837
838 if (ldap_state->ldap_struct != NULL) {
839 DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
840 return LDAP_SUCCESS;
841 }
842
843 if ((rc = smbldap_open_connection(ldap_state))) {
844 return rc;
845 }
846
847 if ((rc = smbldap_connect_system(ldap_state, ldap_state->ldap_struct))) {
848 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
849 ldap_state->ldap_struct = NULL;
850 return rc;
851 }
852
853
854 ldap_state->last_ping = time(NULL);
855 DEBUG(4,("The LDAP server is succesful connected\n"));
856
857 return LDAP_SUCCESS;
858 }
859
860 /**********************************************************************
861 Disconnect from LDAP server
862 *********************************************************************/
863 static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
864 {
865 if (!ldap_state)
866 return NT_STATUS_INVALID_PARAMETER;
867
868 if (ldap_state->ldap_struct != NULL) {
869 ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
870 ldap_state->ldap_struct = NULL;
871 }
872
873 smbldap_delete_state(ldap_state);
874
875 DEBUG(5,("The connection to the LDAP server was closed\n"));
876 /* maybe free the results here --metze */
877
878
879
880 return NT_STATUS_OK;
881 }
882
883 int smbldap_retry_open(struct smbldap_state *ldap_state, int *attempts)
884 {
885 int rc;
886
887 SMB_ASSERT(ldap_state && attempts);
888
889 if (*attempts != 0) {
890 unsigned int sleep_time;
891 uint8 rand_byte;
892
893 /* Sleep for a random timeout */
894 rand_byte = (char)(sys_random());
895
896 sleep_time = (((*attempts)*(*attempts))/2)*rand_byte*2;
897 /* we retry after (0.5, 1, 2, 3, 4.5, 6) seconds
898 on average.
899 */
900 DEBUG(3, ("Sleeping for %u milliseconds before reconnecting\n",
901 sleep_time));
902 smb_msleep(sleep_time);
903 }
904 (*attempts)++;
905
906 if ((rc = smbldap_open(ldap_state))) {
907 DEBUG(1,("Connection to LDAP Server failed for the %d try!\n",*attempts));
908 return rc;
909 }
910
911 return LDAP_SUCCESS;
912 }
913
914
915 /*********************************************************************
916 ********************************************************************/
917
918 int smbldap_search(struct smbldap_state *ldap_state,
919 const char *base, int scope, const char *filter,
920 char *attrs[], int attrsonly,
921 LDAPMessage **res)
922 {
923 int rc = LDAP_SERVER_DOWN;
924 int attempts = 0;
925 char *utf8_filter;
926
927 SMB_ASSERT(ldap_state);
928
929 DEBUG(5,("smbldap_search: base => [%s], filter => [%s], scope => [%d]\n",
930 base, filter, scope));
931
932 if (ldap_state->last_rebind.tv_sec > 0) {
933 struct timeval tval;
934 int tdiff = 0;
935 int sleep_time = 0;
936
937 ZERO_STRUCT(tval);
938
939 gettimeofday(&tval,NULL);
940
941 tdiff = 1000000 *(tval.tv_sec - ldap_state->last_rebind.tv_sec) +
942 (tval.tv_usec - ldap_state->last_rebind.tv_usec);
943
944 sleep_time = ((1000*lp_ldap_replication_sleep())-tdiff)/1000;
945
946 if (sleep_time > 0) {
947 /* we wait for the LDAP replication */
948 DEBUG(5,("smbldap_search: waiting %d milliseconds for LDAP replication.\n",sleep_time));
949 smb_msleep(sleep_time);
950 DEBUG(5,("smbldap_search: go on!\n"));
951 ZERO_STRUCT(ldap_state->last_rebind);
952 }
953 }
954
955 if (push_utf8_allocate(&utf8_filter, filter) == (size_t)-1) {
956 return LDAP_NO_MEMORY;
957 }
958
959 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
960
961 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
962 continue;
963
964 rc = ldap_search_s(ldap_state->ldap_struct, base, scope,
965 utf8_filter, attrs, attrsonly, res);
966 }
967
968 if (rc == LDAP_SERVER_DOWN) {
969 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
970 smbldap_close(ldap_state);
971 }
972
973 ldap_state->last_use = time(NULL);
974
975 SAFE_FREE(utf8_filter);
976 return rc;
977 }
978
979 int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
980 {
981 int rc = LDAP_SERVER_DOWN;
982 int attempts = 0;
983 char *utf8_dn;
984
985 SMB_ASSERT(ldap_state);
986
987 DEBUG(5,("smbldap_modify: dn => [%s]\n", dn ));
988
989 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
990 return LDAP_NO_MEMORY;
991 }
992
993 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
994
995 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
996 continue;
997
998 rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs);
999 }
1000
1001 if (rc == LDAP_SERVER_DOWN) {
1002 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1003 smbldap_close(ldap_state);
1004 }
1005
1006 ldap_state->last_use = time(NULL);
1007
1008 SAFE_FREE(utf8_dn);
1009 return rc;
1010 }
1011
1012 int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
1013 {
1014 int rc = LDAP_SERVER_DOWN;
1015 int attempts = 0;
1016 char *utf8_dn;
1017
1018 SMB_ASSERT(ldap_state);
1019
1020 DEBUG(5,("smbldap_add: dn => [%s]\n", dn ));
1021
1022 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1023 return LDAP_NO_MEMORY;
1024 }
1025
1026 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1027
1028 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1029 continue;
1030
1031 rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs);
1032 }
1033
1034 if (rc == LDAP_SERVER_DOWN) {
1035 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1036 smbldap_close(ldap_state);
1037 }
1038
1039 ldap_state->last_use = time(NULL);
1040
1041 SAFE_FREE(utf8_dn);
1042 return rc;
1043 }
1044
1045 int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
1046 {
1047 int rc = LDAP_SERVER_DOWN;
1048 int attempts = 0;
1049 char *utf8_dn;
1050
1051 SMB_ASSERT(ldap_state);
1052
1053 DEBUG(5,("smbldap_delete: dn => [%s]\n", dn ));
1054
1055 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1056 return LDAP_NO_MEMORY;
1057 }
1058
1059 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1060
1061 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1062 continue;
1063
1064 rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn);
1065 }
1066
1067 if (rc == LDAP_SERVER_DOWN) {
1068 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1069 smbldap_close(ldap_state);
1070 }
1071
1072 ldap_state->last_use = time(NULL);
1073
1074 SAFE_FREE(utf8_dn);
1075 return rc;
1076 }
1077
1078 int smbldap_extended_operation(struct smbldap_state *ldap_state,
1079 LDAP_CONST char *reqoid, struct berval *reqdata,
1080 LDAPControl **serverctrls, LDAPControl **clientctrls,
1081 char **retoidp, struct berval **retdatap)
1082 {
1083 int rc = LDAP_SERVER_DOWN;
1084 int attempts = 0;
1085
1086 if (!ldap_state)
1087 return (-1);
1088
1089 while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
1090
1091 if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
1092 continue;
1093
1094 rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid, reqdata,
1095 serverctrls, clientctrls, retoidp, retdatap);
1096 }
1097
1098 if (rc == LDAP_SERVER_DOWN) {
1099 DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
1100 smbldap_close(ldap_state);
1101 }
1102
1103 ldap_state->last_use = time(NULL);
1104
1105 return rc;
1106 }
1107
1108 /*******************************************************************
1109 run the search by name.
1110 ******************************************************************/
1111 int smbldap_search_suffix (struct smbldap_state *ldap_state, const char *filter,
1112 char **search_attr, LDAPMessage ** result)
1113 {
1114 int scope = LDAP_SCOPE_SUBTREE;
1115 int rc;
1116
1117 rc = smbldap_search(ldap_state, lp_ldap_suffix(), scope, filter, search_attr, 0, result);
1118
1119 if (rc != LDAP_SUCCESS) {
1120 char *ld_error = NULL;
1121 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1122 &ld_error);
1123 DEBUG(0,("smbldap_search_suffix: Problem during the LDAP search: %s (%s)\n",
1124 ld_error?ld_error:"(unknown)", ldap_err2string (rc)));
1125 SAFE_FREE(ld_error);
1126 }
1127
1128 return rc;
1129 }
1130
1131 static void smbldap_idle_fn(void **data, time_t *interval, time_t now)
1132 {
1133 struct smbldap_state *state = (struct smbldap_state *)(*data);
1134
1135 if (state->ldap_struct == NULL) {
1136 DEBUG(10,("ldap connection not connected...\n"));
1137 return;
1138 }
1139
1140 if ((state->last_use+SMBLDAP_IDLE_TIME) > now) {
1141 DEBUG(10,("ldap connection not idle...\n"));
1142 return;
1143 }
1144
1145 DEBUG(7,("ldap connection idle...closing connection\n"));
1146 smbldap_close(state);
1147 }
1148
1149 /**********************************************************************
1150 Housekeeping
1151 *********************************************************************/
1152
1153 void smbldap_free_struct(struct smbldap_state **ldap_state)
1154 {
1155 smbldap_close(*ldap_state);
1156
1157 if ((*ldap_state)->bind_secret) {
1158 memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret));
1159 }
1160
1161 SAFE_FREE((*ldap_state)->bind_dn);
1162 SAFE_FREE((*ldap_state)->bind_secret);
1163
1164 smb_unregister_idle_event((*ldap_state)->event_id);
1165
1166 *ldap_state = NULL;
1167
1168 /* No need to free any further, as it is talloc()ed */
1169 }
1170
1171
1172 /**********************************************************************
1173 Intitalise the 'general' ldap structures, on which ldap operations may be conducted
1174 *********************************************************************/
1175
1176 NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, const char *location, struct smbldap_state **smbldap_state)
1177 {
1178 *smbldap_state = talloc_zero(mem_ctx, sizeof(**smbldap_state));
1179 if (!*smbldap_state) {
1180 DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
1181 return NT_STATUS_NO_MEMORY;
1182 }
1183
1184 if (location) {
1185 (*smbldap_state)->uri = talloc_strdup(mem_ctx, location);
1186 } else {
1187 (*smbldap_state)->uri = "ldap://localhost";
1188 }
1189
1190 (*smbldap_state)->event_id =
1191 smb_register_idle_event(smbldap_idle_fn, (void *)(*smbldap_state),
1192 SMBLDAP_IDLE_TIME);
1193
1194 if ((*smbldap_state)->event_id == SMB_EVENT_ID_INVALID) {
1195 DEBUG(0,("Failed to register LDAP idle event!\n"));
1196 return NT_STATUS_INVALID_HANDLE;
1197 }
1198
1199 return NT_STATUS_OK;
1200 }
1201
1202 /**********************************************************************
1203 Add the sambaDomain to LDAP, so we don't have to search for this stuff
1204 again. This is a once-add operation for now.
1205
1206 TODO: Add other attributes, and allow modification.
1207 *********************************************************************/
1208 static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
1209 const char *domain_name)
1210 {
1211 fstring sid_string;
1212 fstring algorithmic_rid_base_string;
1213 pstring filter, dn;
1214 LDAPMod **mods = NULL;
1215 int rc;
1216 int ldap_op;
1217 LDAPMessage *result = NULL;
1218 int num_result;
1219 char **attr_list;
1220 uid_t u_low, u_high;
1221 gid_t g_low, g_high;
1222 uint32 rid_low, rid_high;
1223
1224 slprintf (filter, sizeof (filter) - 1, "(&(%s=%s)(objectclass=%s))",
1225 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1226 domain_name, LDAP_OBJ_DOMINFO);
1227
1228 attr_list = get_attr_list( dominfo_attr_list );
1229 rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
1230 free_attr_list( attr_list );
1231
1232 if (rc != LDAP_SUCCESS) {
1233 return NT_STATUS_UNSUCCESSFUL;
1234 }
1235
1236 num_result = ldap_count_entries(ldap_state->ldap_struct, result);
1237
1238 if (num_result > 1) {
1239 DEBUG (0, ("More than domain with that name exists: bailing out!\n"));
1240 ldap_msgfree(result);
1241 return NT_STATUS_UNSUCCESSFUL;
1242 }
1243
1244 /* Check if we need to add an entry */
1245 DEBUG(3,("Adding new domain\n"));
1246 ldap_op = LDAP_MOD_ADD;
1247
1248 pstr_sprintf(dn, "%s=%s,%s", get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1249 domain_name, lp_ldap_suffix());
1250
1251 /* Free original search */
1252 ldap_msgfree(result);
1253
1254 /* make the changes - the entry *must* not already have samba attributes */
1255 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1256 domain_name);
1257
1258 /* If we don't have an entry, then ask secrets.tdb for what it thinks.
1259 It may choose to make it up */
1260
1261 sid_to_string(sid_string, get_global_sam_sid());
1262 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOM_SID), sid_string);
1263
1264 slprintf(algorithmic_rid_base_string, sizeof(algorithmic_rid_base_string) - 1, "%i", algorithmic_rid_base());
1265 smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_ALGORITHMIC_RID_BASE),
1266 algorithmic_rid_base_string);
1267 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);
1268
1269 /* add the sambaNext[User|Group]Rid attributes if the idmap ranges are set.
1270 TODO: fix all the places where the line between idmap and normal operations
1271 needed by smbd gets fuzzy --jerry 2003-08-11 */
1272
1273 if ( lp_idmap_uid(&u_low, &u_high) && lp_idmap_gid(&g_low, &g_high)
1274 && get_free_rid_range(&rid_low, &rid_high) )
1275 {
1276 fstring rid_str;
1277
1278 fstr_sprintf( rid_str, "%i", rid_high|USER_RID_TYPE );
1279 DEBUG(10,("setting next available user rid [%s]\n", rid_str));
1280 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1281 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_USERRID),
1282 rid_str);
1283
1284 fstr_sprintf( rid_str, "%i", rid_high|GROUP_RID_TYPE );
1285 DEBUG(10,("setting next available group rid [%s]\n", rid_str));
1286 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1287 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_NEXT_GROUPRID),
1288 rid_str);
1289
1290 }
1291
1292
1293 switch(ldap_op)
1294 {
1295 case LDAP_MOD_ADD:
1296 rc = smbldap_add(ldap_state, dn, mods);
1297 break;
1298 case LDAP_MOD_REPLACE:
1299 rc = smbldap_modify(ldap_state, dn, mods);
1300 break;
1301 default:
1302 DEBUG(0,("Wrong LDAP operation type: %d!\n", ldap_op));
1303 return NT_STATUS_INVALID_PARAMETER;
1304 }
1305
1306 if (rc!=LDAP_SUCCESS) {
1307 char *ld_error = NULL;
1308 ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
1309 DEBUG(1,("failed to %s domain dn= %s with: %s\n\t%s\n",
1310 ldap_op == LDAP_MOD_ADD ? "add" : "modify",
1311 dn, ldap_err2string(rc),
1312 ld_error?ld_error:"unknown"));
1313 SAFE_FREE(ld_error);
1314
1315 ldap_mods_free(mods, True);
1316 return NT_STATUS_UNSUCCESSFUL;
1317 }
1318
1319 DEBUG(2,("added: domain = %s in the LDAP database\n", domain_name));
1320 ldap_mods_free(mods, True);
1321 return NT_STATUS_OK;
1322 }
1323
1324 /**********************************************************************
1325 Search for the domain info entry
1326 *********************************************************************/
1327 NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
1328 LDAPMessage ** result, const char *domain_name,
1329 BOOL try_add)
1330 {
1331 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1332 pstring filter;
1333 int rc;
1334 char **attr_list;
1335 int count;
1336
1337 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
1338 LDAP_OBJ_DOMINFO,
1339 get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
1340 domain_name);
1341
1342 DEBUG(2, ("Searching for:[%s]\n", filter));
1343
1344
1345 attr_list = get_attr_list( dominfo_attr_list );
1346 rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
1347 free_attr_list( attr_list );
1348
1349 if (rc != LDAP_SUCCESS) {
1350 DEBUG(2,("Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
1351 DEBUG(2,("Query was: %s, %s\n", lp_ldap_suffix(), filter));
1352 } else if (ldap_count_entries(ldap_state->ldap_struct, *result) < 1) {
1353 DEBUG(3, ("Got no domain info entries for domain\n"));
1354 ldap_msgfree(*result);
1355 *result = NULL;
1356 if (try_add && NT_STATUS_IS_OK(ret = add_new_domain_info(ldap_state, domain_name))) {
1357 return smbldap_search_domain_info(ldap_state, result, domain_name, False);
1358 }
1359 else {
1360 DEBUG(0, ("Adding domain info for %s failed with %s\n",
1361 domain_name, nt_errstr(ret)));
1362 return ret;
1363 }
1364 } else if ((count = ldap_count_entries(ldap_state->ldap_struct, *result)) > 1) {
1365 DEBUG(0, ("Got too many (%d) domain info entries for domain %s\n",
1366 count, domain_name));
1367 ldap_msgfree(*result);
1368 *result = NULL;
1369 return ret;
1370 } else {
1371 return NT_STATUS_OK;
1372 }
1373
1374 return ret;
1375 }
1376
1377 /*******************************************************************
1378 Return a copy of the DN for a LDAPMessage. Convert from utf8 to CH_UNIX.
1379 ********************************************************************/
1380
1381 char *smbldap_get_dn(LDAP *ld, LDAPMessage *entry)
1382 {
1383 char *utf8_dn, *unix_dn;
1384
1385 utf8_dn = ldap_get_dn(ld, entry);
1386 if (!utf8_dn) {
1387 DEBUG (5, ("smbldap_get_dn: ldap_get_dn failed\n"));
1388 return NULL;
1389 }
1390 if (pull_utf8_allocate(&unix_dn, utf8_dn) == (size_t)-1) {
1391 DEBUG (0, ("smbldap_get_dn: String conversion failure utf8 [%s]\n", utf8_dn));
1392 return NULL;
1393 }
1394 ldap_memfree(utf8_dn);
1395 return unix_dn;
1396 }