1 /*	$NetBSD: config.c,v 1.3 2021/08/14 16:14:59 christos Exp $	*/
2 
3 /* config.c - ldap backend configuration file routine */
4 /* $OpenLDAP$ */
5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6  *
7  * Copyright 2003-2021 The OpenLDAP Foundation.
8  * Portions Copyright 1999-2003 Howard Chu.
9  * Portions Copyright 2000-2003 Pierangelo Masarati.
10  * All rights reserved.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted only as authorized by the OpenLDAP
14  * Public License.
15  *
16  * A copy of this license is available in the file LICENSE in the
17  * top-level directory of the distribution or, alternatively, at
18  * <http://www.OpenLDAP.org/license.html>.
19  */
20 /* ACKNOWLEDGEMENTS:
21  * This work was initially developed by the Howard Chu for inclusion
22  * in OpenLDAP Software and subsequently enhanced by Pierangelo
23  * Masarati.
24  */
25 
26 #include <sys/cdefs.h>
27 __RCSID("$NetBSD: config.c,v 1.3 2021/08/14 16:14:59 christos Exp $");
28 
29 #include "portable.h"
30 
31 #include <stdio.h>
32 
33 #include <ac/string.h>
34 #include <ac/ctype.h>
35 #include <ac/socket.h>
36 
37 #include "slap.h"
38 #include "slap-config.h"
39 #include "back-ldap.h"
40 #include "lutil.h"
41 #include "ldif.h"
42 
43 static SLAP_EXTOP_MAIN_FN ldap_back_exop_whoami;
44 
45 static ConfigDriver ldap_back_cf_gen;
46 static ConfigDriver ldap_pbind_cf_gen;
47 
48 enum {
49 	LDAP_BACK_CFG_URI = 1,
50 	LDAP_BACK_CFG_TLS,
51 	LDAP_BACK_CFG_ACL_BIND,
52 	LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
53 	LDAP_BACK_CFG_IDASSERT_PASSTHRU,
54 	LDAP_BACK_CFG_IDASSERT_BIND,
55 	LDAP_BACK_CFG_REBIND,
56 	LDAP_BACK_CFG_CHASE,
57 	LDAP_BACK_CFG_T_F,
58 	LDAP_BACK_CFG_WHOAMI,
59 	LDAP_BACK_CFG_TIMEOUT,
60 	LDAP_BACK_CFG_IDLE_TIMEOUT,
61 	LDAP_BACK_CFG_CONN_TTL,
62 	LDAP_BACK_CFG_NETWORK_TIMEOUT,
63 	LDAP_BACK_CFG_VERSION,
64 	LDAP_BACK_CFG_SINGLECONN,
65 	LDAP_BACK_CFG_USETEMP,
66 	LDAP_BACK_CFG_CONNPOOLMAX,
67 	LDAP_BACK_CFG_CANCEL,
68 	LDAP_BACK_CFG_QUARANTINE,
69 	LDAP_BACK_CFG_ST_REQUEST,
70 	LDAP_BACK_CFG_NOREFS,
71 	LDAP_BACK_CFG_NOUNDEFFILTER,
72 	LDAP_BACK_CFG_ONERR,
73 
74 	LDAP_BACK_CFG_KEEPALIVE,
75 	LDAP_BACK_CFG_TCP_USER_TIMEOUT,
76 
77 	LDAP_BACK_CFG_OMIT_UNKNOWN_SCHEMA,
78 
79 	LDAP_BACK_CFG_LAST
80 };
81 
82 static ConfigTable ldapcfg[] = {
83 	{ "uri", "uri", 2, 2, 0,
84 		ARG_MAGIC|LDAP_BACK_CFG_URI,
85 		ldap_back_cf_gen, "( OLcfgDbAt:0.14 "
86 			"NAME 'olcDbURI' "
87 			"DESC 'URI (list) for remote DSA' "
88 			"EQUALITY caseExactMatch "
89 			"SYNTAX OMsDirectoryString "
90 			"SINGLE-VALUE )",
91 		NULL, NULL },
92 	{ "tls", "what", 2, 0, 0,
93 		ARG_MAGIC|LDAP_BACK_CFG_TLS,
94 		ldap_back_cf_gen, "( OLcfgDbAt:3.1 "
95 			"NAME 'olcDbStartTLS' "
96 			"DESC 'StartTLS' "
97 			"EQUALITY caseExactMatch "
98 			"SYNTAX OMsDirectoryString "
99 			"SINGLE-VALUE )",
100 		NULL, NULL },
101 	{ "acl-bind", "args", 2, 0, 0,
102 		ARG_MAGIC|LDAP_BACK_CFG_ACL_BIND,
103 		ldap_back_cf_gen, "( OLcfgDbAt:3.4 "
104 			"NAME 'olcDbACLBind' "
105 			"DESC 'Remote ACL administrative identity auth bind configuration' "
106 			"EQUALITY caseIgnoreMatch "
107 			"SYNTAX OMsDirectoryString "
108 			"SINGLE-VALUE )",
109 		NULL, NULL },
110 	{ "idassert-bind", "args", 2, 0, 0,
111 		ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_BIND,
112 		ldap_back_cf_gen, "( OLcfgDbAt:3.7 "
113 			"NAME 'olcDbIDAssertBind' "
114 			"DESC 'Remote Identity Assertion administrative identity auth bind configuration' "
115 			"EQUALITY caseIgnoreMatch "
116 			"SYNTAX OMsDirectoryString "
117 			"SINGLE-VALUE )",
118 		NULL, NULL },
119 	{ "idassert-authzFrom", "authzRule", 2, 2, 0,
120 		ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_AUTHZFROM,
121 		ldap_back_cf_gen, "( OLcfgDbAt:3.9 "
122 			"NAME 'olcDbIDAssertAuthzFrom' "
123 			"DESC 'Remote Identity Assertion authz rules' "
124 			"EQUALITY caseIgnoreMatch "
125 			"SYNTAX OMsDirectoryString "
126 			"X-ORDERED 'VALUES' )",
127 		NULL, NULL },
128 	{ "rebind-as-user", "true|FALSE", 1, 2, 0,
129 		ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_REBIND,
130 		ldap_back_cf_gen, "( OLcfgDbAt:3.10 "
131 			"NAME 'olcDbRebindAsUser' "
132 			"DESC 'Rebind as user' "
133 			"EQUALITY booleanMatch "
134 			"SYNTAX OMsBoolean "
135 			"SINGLE-VALUE )",
136 		NULL, NULL },
137 	{ "chase-referrals", "true|FALSE", 2, 2, 0,
138 		ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_CHASE,
139 		ldap_back_cf_gen, "( OLcfgDbAt:3.11 "
140 			"NAME 'olcDbChaseReferrals' "
141 			"DESC 'Chase referrals' "
142 			"EQUALITY booleanMatch "
143 			"SYNTAX OMsBoolean "
144 			"SINGLE-VALUE )",
145 		NULL, NULL },
146 	{ "t-f-support", "true|FALSE|discover", 2, 2, 0,
147 		ARG_MAGIC|LDAP_BACK_CFG_T_F,
148 		ldap_back_cf_gen, "( OLcfgDbAt:3.12 "
149 			"NAME 'olcDbTFSupport' "
150 			"DESC 'Absolute filters support' "
151 			"EQUALITY caseIgnoreMatch "
152 			"SYNTAX OMsDirectoryString "
153 			"SINGLE-VALUE )",
154 		NULL, NULL },
155 	{ "proxy-whoami", "true|FALSE", 1, 2, 0,
156 		ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_WHOAMI,
157 		ldap_back_cf_gen, "( OLcfgDbAt:3.13 "
158 			"NAME 'olcDbProxyWhoAmI' "
159 			"DESC 'Proxy whoAmI exop' "
160 			"EQUALITY booleanMatch "
161 			"SYNTAX OMsBoolean "
162 			"SINGLE-VALUE )",
163 		NULL, NULL },
164 	{ "timeout", "timeout(list)", 2, 0, 0,
165 		ARG_MAGIC|LDAP_BACK_CFG_TIMEOUT,
166 		ldap_back_cf_gen, "( OLcfgDbAt:3.14 "
167 			"NAME 'olcDbTimeout' "
168 			"DESC 'Per-operation timeouts' "
169 			"EQUALITY caseIgnoreMatch "
170 			"SYNTAX OMsDirectoryString "
171 			"SINGLE-VALUE )",
172 		NULL, NULL },
173 	{ "idle-timeout", "timeout", 2, 2, 0,
174 		ARG_MAGIC|LDAP_BACK_CFG_IDLE_TIMEOUT,
175 		ldap_back_cf_gen, "( OLcfgDbAt:3.15 "
176 			"NAME 'olcDbIdleTimeout' "
177 			"DESC 'connection idle timeout' "
178 			"EQUALITY caseIgnoreMatch "
179 			"SYNTAX OMsDirectoryString "
180 			"SINGLE-VALUE )",
181 		NULL, NULL },
182 	{ "conn-ttl", "ttl", 2, 2, 0,
183 		ARG_MAGIC|LDAP_BACK_CFG_CONN_TTL,
184 		ldap_back_cf_gen, "( OLcfgDbAt:3.16 "
185 			"NAME 'olcDbConnTtl' "
186 			"DESC 'connection ttl' "
187 			"EQUALITY caseIgnoreMatch "
188 			"SYNTAX OMsDirectoryString "
189 			"SINGLE-VALUE )",
190 		NULL, NULL },
191 	{ "network-timeout", "timeout", 2, 2, 0,
192 		ARG_MAGIC|LDAP_BACK_CFG_NETWORK_TIMEOUT,
193 		ldap_back_cf_gen, "( OLcfgDbAt:3.17 "
194 			"NAME 'olcDbNetworkTimeout' "
195 			"DESC 'connection network timeout' "
196 			"EQUALITY caseIgnoreMatch "
197 			"SYNTAX OMsDirectoryString "
198 			"SINGLE-VALUE )",
199 		NULL, NULL },
200 	{ "protocol-version", "version", 2, 2, 0,
201 		ARG_MAGIC|ARG_INT|LDAP_BACK_CFG_VERSION,
202 		ldap_back_cf_gen, "( OLcfgDbAt:3.18 "
203 			"NAME 'olcDbProtocolVersion' "
204 			"DESC 'protocol version' "
205 			"EQUALITY integerMatch "
206 			"SYNTAX OMsInteger "
207 			"SINGLE-VALUE )",
208 		NULL, NULL },
209 	{ "single-conn", "true|FALSE", 2, 2, 0,
210 		ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_SINGLECONN,
211 		ldap_back_cf_gen, "( OLcfgDbAt:3.19 "
212 			"NAME 'olcDbSingleConn' "
213 			"DESC 'cache a single connection per identity' "
214 			"EQUALITY booleanMatch "
215 			"SYNTAX OMsBoolean "
216 			"SINGLE-VALUE )",
217 		NULL, NULL },
218 	{ "cancel", "ABANDON|ignore|exop", 2, 2, 0,
219 		ARG_MAGIC|LDAP_BACK_CFG_CANCEL,
220 		ldap_back_cf_gen, "( OLcfgDbAt:3.20 "
221 			"NAME 'olcDbCancel' "
222 			"DESC 'abandon/ignore/exop operations when appropriate' "
223 			"EQUALITY caseIgnoreMatch "
224 			"SYNTAX OMsDirectoryString "
225 			"SINGLE-VALUE )",
226 		NULL, NULL },
227 	{ "quarantine", "retrylist", 2, 2, 0,
228 		ARG_MAGIC|LDAP_BACK_CFG_QUARANTINE,
229 		ldap_back_cf_gen, "( OLcfgDbAt:3.21 "
230 			"NAME 'olcDbQuarantine' "
231 			"DESC 'Quarantine database if connection fails and retry according to rule' "
232 			"EQUALITY caseIgnoreMatch "
233 			"SYNTAX OMsDirectoryString "
234 			"SINGLE-VALUE )",
235 		NULL, NULL },
236 	{ "use-temporary-conn", "true|FALSE", 2, 2, 0,
237 		ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_USETEMP,
238 		ldap_back_cf_gen, "( OLcfgDbAt:3.22 "
239 			"NAME 'olcDbUseTemporaryConn' "
240 			"DESC 'Use temporary connections if the cached one is busy' "
241 			"EQUALITY booleanMatch "
242 			"SYNTAX OMsBoolean "
243 			"SINGLE-VALUE )",
244 		NULL, NULL },
245 	{ "conn-pool-max", "<n>", 2, 2, 0,
246 		ARG_MAGIC|ARG_INT|LDAP_BACK_CFG_CONNPOOLMAX,
247 		ldap_back_cf_gen, "( OLcfgDbAt:3.23 "
248 			"NAME 'olcDbConnectionPoolMax' "
249 			"DESC 'Max size of privileged connections pool' "
250 			"EQUALITY integerMatch "
251 			"SYNTAX OMsInteger "
252 			"SINGLE-VALUE )",
253 		NULL, NULL },
254 #ifdef SLAP_CONTROL_X_SESSION_TRACKING
255 	{ "session-tracking-request", "true|FALSE", 2, 2, 0,
256 		ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_ST_REQUEST,
257 		ldap_back_cf_gen, "( OLcfgDbAt:3.24 "
258 			"NAME 'olcDbSessionTrackingRequest' "
259 			"DESC 'Add session tracking control to proxied requests' "
260 			"EQUALITY booleanMatch "
261 			"SYNTAX OMsBoolean "
262 			"SINGLE-VALUE )",
263 		NULL, NULL },
264 #endif /* SLAP_CONTROL_X_SESSION_TRACKING */
265 	{ "norefs", "true|FALSE", 2, 2, 0,
266 		ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_NOREFS,
267 		ldap_back_cf_gen, "( OLcfgDbAt:3.25 "
268 			"NAME 'olcDbNoRefs' "
269 			"DESC 'Do not return search reference responses' "
270 			"EQUALITY booleanMatch "
271 			"SYNTAX OMsBoolean "
272 			"SINGLE-VALUE )",
273 		NULL, NULL },
274 	{ "noundeffilter", "true|FALSE", 2, 2, 0,
275 		ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_NOUNDEFFILTER,
276 		ldap_back_cf_gen, "( OLcfgDbAt:3.26 "
277 			"NAME 'olcDbNoUndefFilter' "
278 			"DESC 'Do not propagate undefined search filters' "
279 			"EQUALITY booleanMatch "
280 			"SYNTAX OMsBoolean "
281 			"SINGLE-VALUE )",
282 		NULL, NULL },
283 	{ "onerr", "CONTINUE|report|stop", 2, 2, 0,
284 		ARG_MAGIC|LDAP_BACK_CFG_ONERR,
285 		ldap_back_cf_gen, "( OLcfgDbAt:3.108 "
286 			"NAME 'olcDbOnErr' "
287 			"DESC 'error handling' "
288 			"EQUALITY caseIgnoreMatch "
289 			"SYNTAX OMsDirectoryString "
290 			"SINGLE-VALUE )",
291 		NULL, NULL },
292 	{ "idassert-passThru", "authzRule", 2, 2, 0,
293 		ARG_MAGIC|LDAP_BACK_CFG_IDASSERT_PASSTHRU,
294 		ldap_back_cf_gen, "( OLcfgDbAt:3.27 "
295 			"NAME 'olcDbIDAssertPassThru' "
296 			"DESC 'Remote Identity Assertion passthru rules' "
297 			"EQUALITY caseIgnoreMatch "
298 			"SYNTAX OMsDirectoryString "
299 			"X-ORDERED 'VALUES' )",
300 		NULL, NULL },
301 	{ "omit-unknown-schema", "true|FALSE", 2, 2, 0,
302 		ARG_MAGIC|ARG_ON_OFF|LDAP_BACK_CFG_OMIT_UNKNOWN_SCHEMA,
303 		ldap_back_cf_gen, "( OLcfgDbAt:3.28 "
304 			"NAME 'olcDbRemoveUnknownSchema' "
305 			"DESC 'Omit unknown schema when returning search results' "
306 			"EQUALITY booleanMatch "
307 			"SYNTAX OMsBoolean "
308 			"SINGLE-VALUE )",
309 		NULL, NULL },
310 	{ "keepalive", "keepalive", 2, 2, 0,
311 		ARG_MAGIC|LDAP_BACK_CFG_KEEPALIVE,
312 		ldap_back_cf_gen, "( OLcfgDbAt:3.29 "
313 			"NAME 'olcDbKeepalive' "
314 			"DESC 'TCP keepalive' "
315 			"EQUALITY caseIgnoreMatch "
316 			"SYNTAX OMsDirectoryString "
317 			"SINGLE-VALUE )",
318 		NULL, NULL },
319 	{ "tcp-user-timeout", "milliseconds", 2, 2, 0,
320 		ARG_MAGIC|ARG_UINT|LDAP_BACK_CFG_TCP_USER_TIMEOUT,
321 		ldap_back_cf_gen, "( OLcfgDbAt:3.30 "
322 			"NAME 'olcDbTcpUserTimeout' "
323 			"DESC 'TCP User Timeout' "
324 			"SYNTAX OMsInteger "
325 			"SINGLE-VALUE )",
326 		NULL, NULL },
327 	{ NULL, NULL, 0, 0, 0, ARG_IGNORED,
328 		NULL, NULL, NULL, NULL }
329 };
330 
331 static ConfigOCs ldapocs[] = {
332 	{ "( OLcfgDbOc:3.1 "
333 		"NAME 'olcLDAPConfig' "
334 		"DESC 'LDAP backend configuration' "
335 		"SUP olcDatabaseConfig "
336 		"MAY ( olcDbURI "
337 			"$ olcDbStartTLS "
338 			"$ olcDbACLBind "
339 			"$ olcDbIDAssertBind "
340 			"$ olcDbIDAssertAuthzFrom "
341 			"$ olcDbIDAssertPassThru "
342 			"$ olcDbRebindAsUser "
343 			"$ olcDbChaseReferrals "
344 			"$ olcDbTFSupport "
345 			"$ olcDbProxyWhoAmI "
346 			"$ olcDbTimeout "
347 			"$ olcDbIdleTimeout "
348 			"$ olcDbConnTtl "
349 			"$ olcDbNetworkTimeout "
350 			"$ olcDbProtocolVersion "
351 			"$ olcDbSingleConn "
352 			"$ olcDbCancel "
353 			"$ olcDbQuarantine "
354 			"$ olcDbUseTemporaryConn "
355 			"$ olcDbConnectionPoolMax "
356 #ifdef SLAP_CONTROL_X_SESSION_TRACKING
357 			"$ olcDbSessionTrackingRequest "
358 #endif /* SLAP_CONTROL_X_SESSION_TRACKING */
359 			"$ olcDbNoRefs "
360 			"$ olcDbNoUndefFilter "
361 			"$ olcDbOnErr "
362 			"$ olcDbKeepalive "
363 		") )",
364 		 	Cft_Database, ldapcfg},
365 	{ NULL, 0, NULL }
366 };
367 
368 static ConfigTable pbindcfg[] = {
369 	{ "uri", "uri", 2, 2, 0,
370 		ARG_MAGIC|LDAP_BACK_CFG_URI,
371 		ldap_pbind_cf_gen, "( OLcfgDbAt:0.14 "
372 			"NAME 'olcDbURI' "
373 			"DESC 'URI (list) for remote DSA' "
374 			"SYNTAX OMsDirectoryString "
375 			"SINGLE-VALUE )",
376 		NULL, NULL },
377 	{ "tls", "what", 2, 0, 0,
378 		ARG_MAGIC|LDAP_BACK_CFG_TLS,
379 		ldap_pbind_cf_gen, "( OLcfgDbAt:3.1 "
380 			"NAME 'olcDbStartTLS' "
381 			"DESC 'StartTLS' "
382 			"SYNTAX OMsDirectoryString "
383 			"SINGLE-VALUE )",
384 		NULL, NULL },
385 	{ "network-timeout", "timeout", 2, 2, 0,
386 		ARG_MAGIC|LDAP_BACK_CFG_NETWORK_TIMEOUT,
387 		ldap_pbind_cf_gen, "( OLcfgDbAt:3.17 "
388 			"NAME 'olcDbNetworkTimeout' "
389 			"DESC 'connection network timeout' "
390 			"SYNTAX OMsDirectoryString "
391 			"SINGLE-VALUE )",
392 		NULL, NULL },
393 	{ "quarantine", "retrylist", 2, 2, 0,
394 		ARG_MAGIC|LDAP_BACK_CFG_QUARANTINE,
395 		ldap_pbind_cf_gen, "( OLcfgDbAt:3.21 "
396 			"NAME 'olcDbQuarantine' "
397 			"DESC 'Quarantine database if connection fails and retry according to rule' "
398 			"SYNTAX OMsDirectoryString "
399 			"SINGLE-VALUE )",
400 		NULL, NULL },
401 	{ NULL, NULL, 0, 0, 0, ARG_IGNORED,
402 		NULL, NULL, NULL, NULL }
403 };
404 
405 static ConfigOCs pbindocs[] = {
406 	{ "( OLcfgOvOc:3.3 "
407 		"NAME 'olcPBindConfig' "
408 		"DESC 'Proxy Bind configuration' "
409 		"SUP olcOverlayConfig "
410 		"MUST olcDbURI "
411 		"MAY ( olcDbStartTLS "
412 			"$ olcDbNetworkTimeout "
413 			"$ olcDbQuarantine "
414 		") )",
415 		 	Cft_Overlay, pbindcfg},
416 	{ NULL, 0, NULL }
417 };
418 
419 static slap_verbmasks idassert_mode[] = {
420 	{ BER_BVC("self"),		LDAP_BACK_IDASSERT_SELF },
421 	{ BER_BVC("anonymous"),		LDAP_BACK_IDASSERT_ANONYMOUS },
422 	{ BER_BVC("none"),		LDAP_BACK_IDASSERT_NOASSERT },
423 	{ BER_BVC("legacy"),		LDAP_BACK_IDASSERT_LEGACY },
424 	{ BER_BVNULL,			0 }
425 };
426 
427 static slap_verbmasks tls_mode[] = {
428 	{ BER_BVC( "propagate" ),	LDAP_BACK_F_TLS_PROPAGATE_MASK },
429 	{ BER_BVC( "try-propagate" ),	LDAP_BACK_F_PROPAGATE_TLS },
430 	{ BER_BVC( "start" ),		LDAP_BACK_F_TLS_USE_MASK },
431 	{ BER_BVC( "try-start" ),	LDAP_BACK_F_USE_TLS },
432 	{ BER_BVC( "ldaps" ),		LDAP_BACK_F_TLS_LDAPS },
433 	{ BER_BVC( "none" ),		LDAP_BACK_F_NONE },
434 	{ BER_BVNULL,			0 }
435 };
436 
437 static slap_verbmasks t_f_mode[] = {
438 	{ BER_BVC( "yes" ),		LDAP_BACK_F_T_F },
439 	{ BER_BVC( "discover" ),	LDAP_BACK_F_T_F_DISCOVER },
440 	{ BER_BVC( "no" ),		LDAP_BACK_F_NONE },
441 	{ BER_BVNULL,			0 }
442 };
443 
444 static slap_verbmasks cancel_mode[] = {
445 	{ BER_BVC( "ignore" ),		LDAP_BACK_F_CANCEL_IGNORE },
446 	{ BER_BVC( "exop" ),		LDAP_BACK_F_CANCEL_EXOP },
447 	{ BER_BVC( "exop-discover" ),	LDAP_BACK_F_CANCEL_EXOP_DISCOVER },
448 	{ BER_BVC( "abandon" ),		LDAP_BACK_F_CANCEL_ABANDON },
449 	{ BER_BVNULL,			0 }
450 };
451 
452 static slap_verbmasks onerr_mode[] = {
453 	{ BER_BVC( "stop" ),		LDAP_BACK_F_ONERR_STOP },
454 	{ BER_BVC( "report" ),		LDAP_BACK_F_ONERR_STOP }, /* same behavior */
455 	{ BER_BVC( "continue" ),	LDAP_BACK_F_NONE },
456 	{ BER_BVNULL,			0 }
457 };
458 
459 /* see enum in slap.h */
460 static slap_cf_aux_table timeout_table[] = {
461 	{ BER_BVC("bind="),	SLAP_OP_BIND * sizeof( time_t ),	'u', 0, NULL },
462 	/* unbind makes no sense */
463 	{ BER_BVC("add="),	SLAP_OP_ADD * sizeof( time_t ),		'u', 0, NULL },
464 	{ BER_BVC("delete="),	SLAP_OP_DELETE * sizeof( time_t ),	'u', 0, NULL },
465 	{ BER_BVC("modrdn="),	SLAP_OP_MODRDN * sizeof( time_t ),	'u', 0, NULL },
466 	{ BER_BVC("modify="),	SLAP_OP_MODIFY * sizeof( time_t ),	'u', 0, NULL },
467 	{ BER_BVC("compare="),	SLAP_OP_COMPARE * sizeof( time_t ),	'u', 0, NULL },
468 	{ BER_BVC("search="),	SLAP_OP_SEARCH * sizeof( time_t ),	'u', 0, NULL },
469 	/* abandon makes little sense */
470 #if 0	/* not implemented yet */
471 	{ BER_BVC("extended="),	SLAP_OP_EXTENDED * sizeof( time_t ),	'u', 0, NULL },
472 #endif
473 	{ BER_BVNULL, 0, 0, 0, NULL }
474 };
475 
476 int
slap_retry_info_parse(char * in,slap_retry_info_t * ri,char * buf,ber_len_t buflen)477 slap_retry_info_parse(
478 	char			*in,
479 	slap_retry_info_t 	*ri,
480 	char			*buf,
481 	ber_len_t		buflen )
482 {
483 	char			**retrylist = NULL;
484 	int			rc = 0;
485 	int			i;
486 
487 	slap_str2clist( &retrylist, in, " ;" );
488 	if ( retrylist == NULL ) {
489 		return 1;
490 	}
491 
492 	for ( i = 0; retrylist[ i ] != NULL; i++ )
493 		/* count */ ;
494 
495 	ri->ri_interval = ch_calloc( sizeof( time_t ), i + 1 );
496 	ri->ri_num = ch_calloc( sizeof( int ), i + 1 );
497 
498 	for ( i = 0; retrylist[ i ] != NULL; i++ ) {
499 		unsigned long	t;
500 		char		*sep = strchr( retrylist[ i ], ',' );
501 
502 		if ( sep == NULL ) {
503 			snprintf( buf, buflen,
504 				"missing comma in retry pattern #%d \"%s\"",
505 				i, retrylist[ i ] );
506 			rc = 1;
507 			goto done;
508 		}
509 
510 		*sep++ = '\0';
511 
512 		if ( lutil_parse_time( retrylist[ i ], &t ) ) {
513 			snprintf( buf, buflen,
514 				"unable to parse interval #%d \"%s\"",
515 				i, retrylist[ i ] );
516 			rc = 1;
517 			goto done;
518 		}
519 		ri->ri_interval[ i ] = (time_t)t;
520 
521 		if ( strcmp( sep, "+" ) == 0 ) {
522 			if ( retrylist[ i + 1 ] != NULL ) {
523 				snprintf( buf, buflen,
524 					"extra cruft after retry pattern "
525 					"#%d \"%s,+\" with \"forever\" mark",
526 					i, retrylist[ i ] );
527 				rc = 1;
528 				goto done;
529 			}
530 			ri->ri_num[ i ] = SLAP_RETRYNUM_FOREVER;
531 
532 		} else if ( lutil_atoi( &ri->ri_num[ i ], sep ) ) {
533 			snprintf( buf, buflen,
534 				"unable to parse retry num #%d \"%s\"",
535 				i, sep );
536 			rc = 1;
537 			goto done;
538 		}
539 	}
540 
541 	ri->ri_num[ i ] = SLAP_RETRYNUM_TAIL;
542 
543 	ri->ri_idx = 0;
544 	ri->ri_count = 0;
545 	ri->ri_last = (time_t)(-1);
546 
547 done:;
548 	ldap_charray_free( retrylist );
549 
550 	if ( rc ) {
551 		slap_retry_info_destroy( ri );
552 	}
553 
554 	return rc;
555 }
556 
557 int
slap_retry_info_unparse(slap_retry_info_t * ri,struct berval * bvout)558 slap_retry_info_unparse(
559 	slap_retry_info_t	*ri,
560 	struct berval		*bvout )
561 {
562 	char		buf[ BUFSIZ * 2 ],
563 			*ptr = buf;
564 	int		i, len, restlen = (int) sizeof( buf );
565 	struct berval	bv;
566 
567 	assert( ri != NULL );
568 	assert( bvout != NULL );
569 
570 	BER_BVZERO( bvout );
571 
572 	for ( i = 0; ri->ri_num[ i ] != SLAP_RETRYNUM_TAIL; i++ ) {
573 		if ( i > 0 ) {
574 			if ( --restlen <= 0 ) {
575 				return 1;
576 			}
577 			*ptr++ = ';';
578 		}
579 
580 		if ( lutil_unparse_time( ptr, restlen, ri->ri_interval[i] ) < 0 ) {
581 			return 1;
582 		}
583 		len = (int) strlen( ptr );
584 		if ( (restlen -= len + 1) <= 0 ) {
585 			return 1;
586 		}
587 		ptr += len;
588 		*ptr++ = ',';
589 
590 		if ( ri->ri_num[i] == SLAP_RETRYNUM_FOREVER ) {
591 			if ( --restlen <= 0 ) {
592 				return 1;
593 			}
594 			*ptr++ = '+';
595 
596 		} else {
597 			len = snprintf( ptr, restlen, "%d", ri->ri_num[i] );
598 			if ( (restlen -= len) <= 0 || len < 0 ) {
599 				return 1;
600 			}
601 			ptr += len;
602 		}
603 	}
604 
605 	bv.bv_val = buf;
606 	bv.bv_len = ptr - buf;
607 	ber_dupbv( bvout, &bv );
608 
609 	return 0;
610 }
611 
612 void
slap_retry_info_destroy(slap_retry_info_t * ri)613 slap_retry_info_destroy(
614 	slap_retry_info_t	*ri )
615 {
616 	assert( ri != NULL );
617 
618 	assert( ri->ri_interval != NULL );
619 	ch_free( ri->ri_interval );
620 	ri->ri_interval = NULL;
621 
622 	assert( ri->ri_num != NULL );
623 	ch_free( ri->ri_num );
624 	ri->ri_num = NULL;
625 }
626 
627 int
slap_idassert_authzfrom_parse(ConfigArgs * c,slap_idassert_t * si)628 slap_idassert_authzfrom_parse( ConfigArgs *c, slap_idassert_t *si )
629 {
630 	struct berval	bv;
631 	struct berval	in;
632 	int		rc;
633 
634  	if ( strcmp( c->argv[ 1 ], "*" ) == 0
635  		|| strcmp( c->argv[ 1 ], "dn:*" ) == 0
636  		|| strcasecmp( c->argv[ 1 ], "dn.regex:.*" ) == 0 )
637  	{
638  		if ( si->si_authz != NULL ) {
639  			snprintf( c->cr_msg, sizeof( c->cr_msg ),
640  				"\"%s <authz>\": "
641  				"\"%s\" conflicts with existing authz rules",
642  				c->argv[ 0 ], c->argv[ 1 ] );
643 			Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
644  			return 1;
645  		}
646 
647  		si->si_flags |= LDAP_BACK_AUTH_AUTHZ_ALL;
648 
649  		return 0;
650 
651  	} else if ( ( si->si_flags & LDAP_BACK_AUTH_AUTHZ_ALL ) ) {
652   		snprintf( c->cr_msg, sizeof( c->cr_msg ),
653   			"\"%s <authz>\": "
654  			"\"<authz>\" conflicts with \"*\"", c->argv[0] );
655 		Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
656   		return 1;
657   	}
658 
659  	ber_str2bv( c->argv[ 1 ], 0, 0, &in );
660  	rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
661  	if ( rc != LDAP_SUCCESS ) {
662  		snprintf( c->cr_msg, sizeof( c->cr_msg ),
663  			"\"%s <authz>\": "
664  			"invalid syntax", c->argv[0] );
665 		Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
666  		return 1;
667  	}
668 
669 	if ( c->valx == -1 ) {
670 		ber_bvarray_add( &si->si_authz, &bv );
671 
672 	} else {
673 		int i = 0;
674 		if ( si->si_authz != NULL ) {
675 			for ( ; !BER_BVISNULL( &si->si_authz[ i ] ); i++ )
676 				;
677 		}
678 
679 		if ( i <= c->valx ) {
680 			ber_bvarray_add( &si->si_authz, &bv );
681 
682 		} else {
683 			BerVarray tmp = ber_memrealloc( si->si_authz,
684 				sizeof( struct berval )*( i + 2 ) );
685 			if ( tmp == NULL ) {
686 				return -1;
687 			}
688 			si->si_authz = tmp;
689 			for ( ; i > c->valx; i-- ) {
690 				si->si_authz[ i ] = si->si_authz[ i - 1 ];
691 			}
692 			si->si_authz[ c->valx ] = bv;
693 		}
694 	}
695 
696 	return 0;
697 }
698 
699 static int
slap_idassert_passthru_parse(ConfigArgs * c,slap_idassert_t * si)700 slap_idassert_passthru_parse( ConfigArgs *c, slap_idassert_t *si )
701 {
702 	struct berval	bv;
703 	struct berval	in;
704 	int		rc;
705 
706  	ber_str2bv( c->argv[ 1 ], 0, 0, &in );
707  	rc = authzNormalize( 0, NULL, NULL, &in, &bv, NULL );
708  	if ( rc != LDAP_SUCCESS ) {
709  		snprintf( c->cr_msg, sizeof( c->cr_msg ),
710  			"\"%s <authz>\": "
711  			"invalid syntax", c->argv[0] );
712 		Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
713  		return 1;
714  	}
715 
716 	if ( c->valx == -1 ) {
717 		ber_bvarray_add( &si->si_passthru, &bv );
718 
719 	} else {
720 		int i = 0;
721 		if ( si->si_passthru != NULL ) {
722 			for ( ; !BER_BVISNULL( &si->si_passthru[ i ] ); i++ )
723 				;
724 		}
725 
726 		if ( i <= c->valx ) {
727 			ber_bvarray_add( &si->si_passthru, &bv );
728 
729 		} else {
730 			BerVarray tmp = ber_memrealloc( si->si_passthru,
731 				sizeof( struct berval )*( i + 2 ) );
732 			if ( tmp == NULL ) {
733 				return -1;
734 			}
735 			si->si_passthru = tmp;
736 			for ( ; i > c->valx; i-- ) {
737 				si->si_passthru[ i ] = si->si_passthru[ i - 1 ];
738 			}
739 			si->si_passthru[ c->valx ] = bv;
740 		}
741 	}
742 
743 	return 0;
744 }
745 
746 int
slap_idassert_parse(ConfigArgs * c,slap_idassert_t * si)747 slap_idassert_parse( ConfigArgs *c, slap_idassert_t *si )
748 {
749 	int		i;
750 
751 	/* set default */
752 	si->si_mode = LDAP_BACK_IDASSERT_LEGACY;
753 
754 	for ( i = 1; i < c->argc; i++ ) {
755 		if ( strncasecmp( c->argv[ i ], "mode=", STRLENOF( "mode=" ) ) == 0 ) {
756 			char	*argvi = c->argv[ i ] + STRLENOF( "mode=" );
757 			int	j;
758 
759 			j = verb_to_mask( argvi, idassert_mode );
760 			if ( BER_BVISNULL( &idassert_mode[ j ].word ) ) {
761 				snprintf( c->cr_msg, sizeof( c->cr_msg ),
762 					"\"%s <args>\": "
763 					"unknown mode \"%s\"",
764 					c->argv[0], argvi );
765 				Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
766 				return 1;
767 			}
768 
769 			si->si_mode = idassert_mode[ j ].mask;
770 
771 		} else if ( strncasecmp( c->argv[ i ], "authz=", STRLENOF( "authz=" ) ) == 0 ) {
772 			char	*argvi = c->argv[ i ] + STRLENOF( "authz=" );
773 
774 			if ( strcasecmp( argvi, "native" ) == 0 ) {
775 				if ( si->si_bc.sb_method != LDAP_AUTH_SASL ) {
776 					snprintf( c->cr_msg, sizeof( c->cr_msg ),
777 						"\"%s <args>\": "
778 						"authz=\"native\" incompatible "
779 						"with auth method", c->argv[0] );
780 					Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
781 					return 1;
782 				}
783 				si->si_flags |= LDAP_BACK_AUTH_NATIVE_AUTHZ;
784 
785 			} else if ( strcasecmp( argvi, "proxyAuthz" ) == 0 ) {
786 				si->si_flags &= ~LDAP_BACK_AUTH_NATIVE_AUTHZ;
787 
788 			} else {
789 				snprintf( c->cr_msg, sizeof( c->cr_msg ),
790 					"\"%s <args>\": "
791 					"unknown authz \"%s\"",
792 					c->argv[0], argvi );
793 				Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
794 				return 1;
795 			}
796 
797 		} else if ( strncasecmp( c->argv[ i ], "flags=", STRLENOF( "flags=" ) ) == 0 ) {
798 			char	*argvi = c->argv[ i ] + STRLENOF( "flags=" );
799 			char	**flags = ldap_str2charray( argvi, "," );
800 			int	j, err = 0;
801 
802 			if ( flags == NULL ) {
803 				snprintf( c->cr_msg, sizeof( c->cr_msg ),
804 					"\"%s <args>\": "
805 					"unable to parse flags \"%s\"",
806 					c->argv[0], argvi );
807 				Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
808 				return 1;
809 			}
810 
811 			for ( j = 0; flags[ j ] != NULL; j++ ) {
812 
813 				if ( strcasecmp( flags[ j ], "override" ) == 0 ) {
814 					si->si_flags |= LDAP_BACK_AUTH_OVERRIDE;
815 
816 				} else if ( strcasecmp( flags[ j ], "prescriptive" ) == 0 ) {
817 					si->si_flags |= LDAP_BACK_AUTH_PRESCRIPTIVE;
818 
819 				} else if ( strcasecmp( flags[ j ], "non-prescriptive" ) == 0 ) {
820 					si->si_flags &= ( ~LDAP_BACK_AUTH_PRESCRIPTIVE );
821 
822 				} else if ( strcasecmp( flags[ j ], "obsolete-proxy-authz" ) == 0 ) {
823 					if ( si->si_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
824 						snprintf( c->cr_msg, sizeof( c->cr_msg ),
825 							"\"%s <args>\": "
826 							"\"obsolete-proxy-authz\" flag "
827 							"incompatible with previously issued \"obsolete-encoding-workaround\" flag.",
828 							c->argv[0] );
829 						Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
830 						err = 1;
831 						break;
832 
833 					} else {
834 						si->si_flags |= LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ;
835 					}
836 
837 				} else if ( strcasecmp( flags[ j ], "obsolete-encoding-workaround" ) == 0 ) {
838 					if ( si->si_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
839 						snprintf( c->cr_msg, sizeof( c->cr_msg ),
840 							"\"%s <args>\": "
841 							"\"obsolete-encoding-workaround\" flag "
842 							"incompatible with previously issued \"obsolete-proxy-authz\" flag.",
843 							c->argv[0] );
844 						Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
845 						err = 1;
846 						break;
847 
848 					} else {
849 						si->si_flags |= LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND;
850 					}
851 
852 				} else if ( strcasecmp( flags[ j ], "proxy-authz-critical" ) == 0 ) {
853 					si->si_flags |= LDAP_BACK_AUTH_PROXYAUTHZ_CRITICAL;
854 
855 				} else if ( strcasecmp( flags[ j ], "proxy-authz-non-critical" ) == 0 ) {
856 					si->si_flags &= ~LDAP_BACK_AUTH_PROXYAUTHZ_CRITICAL;
857 
858 				} else if ( strcasecmp( flags[ j ], "dn-none" ) == 0 ) {
859 					si->si_flags &= ~LDAP_BACK_AUTH_DN_MASK;
860 
861 				} else if ( strcasecmp( flags[ j ], "dn-authzid" ) == 0 ) {
862 					si->si_flags &= ~LDAP_BACK_AUTH_DN_MASK;
863 					si->si_flags |= LDAP_BACK_AUTH_DN_AUTHZID;
864 
865 				} else if ( strcasecmp( flags[ j ], "dn-whoami" ) == 0 ) {
866 					si->si_flags &= ~LDAP_BACK_AUTH_DN_MASK;
867 					si->si_flags |= LDAP_BACK_AUTH_DN_WHOAMI;
868 
869 				} else {
870 					snprintf( c->cr_msg, sizeof( c->cr_msg ),
871 						"\"%s <args>\": "
872 						"unknown flag \"%s\"",
873 						c->argv[0], flags[ j ] );
874 					Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
875 					err = 1;
876 					break;
877 				}
878 			}
879 
880 			ldap_charray_free( flags );
881 			if ( err ) {
882 				return 1;
883 			}
884 
885 		} else if ( bindconf_parse( c->argv[ i ], &si->si_bc ) ) {
886 			snprintf( c->cr_msg, sizeof( c->cr_msg ),
887 				"\"%s <args>\": "
888 				"unable to parse field \"%s\"",
889 				c->argv[0], c->argv[ i ] );
890 			Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
891 			return 1;
892 		}
893 	}
894 
895 	if ( si->si_bc.sb_method == LDAP_AUTH_SIMPLE ) {
896 		if ( BER_BVISNULL( &si->si_bc.sb_binddn )
897 			|| BER_BVISNULL( &si->si_bc.sb_cred ) )
898 		{
899 			snprintf( c->cr_msg, sizeof( c->cr_msg ),
900 				"\"%s <args>\": "
901 				"SIMPLE needs \"binddn\" and \"credentials\"", c->argv[0] );
902 			Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
903 			return 1;
904 		}
905 
906 	} else if ( si->si_bc.sb_method == LDAP_AUTH_SASL ) {
907 		if ( BER_BVISNULL( &si->si_bc.sb_binddn ) &&
908 			!(si->si_flags & LDAP_BACK_AUTH_DN_MASK) )
909 		{
910 			static struct berval authid = BER_BVC("cn=auth");
911 			ber_dupbv( &si->si_bc.sb_binddn, &authid );
912 		}
913 	}
914 
915 	bindconf_tls_defaults( &si->si_bc );
916 #ifdef HAVE_TLS
917 	if ( si->si_bc.sb_tls_ctx ) {
918 		ldap_pvt_tls_ctx_free( si->si_bc.sb_tls_ctx );
919 		si->si_bc.sb_tls_ctx = NULL;
920 	}
921 #endif
922 
923 	return 0;
924 }
925 
926 /* NOTE: temporary, until back-meta is ported to back-config */
927 int
slap_idassert_passthru_parse_cf(const char * fname,int lineno,const char * arg,slap_idassert_t * si)928 slap_idassert_passthru_parse_cf( const char *fname, int lineno, const char *arg, slap_idassert_t *si )
929 {
930 	ConfigArgs	c = { 0 };
931 	char		*argv[ 3 ];
932 
933 	snprintf( c.log, sizeof( c.log ), "%s: line %d", fname, lineno );
934 	c.argc = 2;
935 	c.argv = argv;
936 	argv[ 0 ] = "idassert-passThru";
937 	argv[ 1 ] = (char *)arg;
938 	argv[ 2 ] = NULL;
939 
940 	return slap_idassert_passthru_parse( &c, si );
941 }
942 
943 static int
ldap_back_cf_gen(ConfigArgs * c)944 ldap_back_cf_gen( ConfigArgs *c )
945 {
946 	ldapinfo_t	*li = ( ldapinfo_t * )c->be->be_private;
947 	int		rc = 0;
948 	int		i;
949 
950 	if ( c->op == SLAP_CONFIG_EMIT ) {
951 		struct berval	bv = BER_BVNULL;
952 
953 		if ( li == NULL ) {
954 			return 1;
955 		}
956 
957 		switch( c->type ) {
958 		case LDAP_BACK_CFG_URI:
959 			if ( li->li_uri != NULL ) {
960 				struct berval	bv, bv2;
961 
962 				ber_str2bv( li->li_uri, 0, 0, &bv );
963 				bv2.bv_len = bv.bv_len + STRLENOF( "\"\"" );
964 				bv2.bv_val = ch_malloc( bv2.bv_len + 1 );
965 				snprintf( bv2.bv_val, bv2.bv_len + 1,
966 					"\"%s\"", bv.bv_val );
967 				ber_bvarray_add( &c->rvalue_vals, &bv2 );
968 
969 			} else {
970 				rc = 1;
971 			}
972 			break;
973 
974 		case LDAP_BACK_CFG_TLS: {
975 			struct berval bc = BER_BVNULL, bv2;
976 			enum_to_verb( tls_mode, ( li->li_flags & LDAP_BACK_F_TLS_MASK ), &bv );
977 			assert( !BER_BVISNULL( &bv ) );
978 			bindconf_tls_unparse( &li->li_tls, &bc );
979 
980 			if ( !BER_BVISEMPTY( &bc )) {
981 				bv2.bv_len = bv.bv_len + bc.bv_len + 1;
982 				bv2.bv_val = ch_malloc( bv2.bv_len + 1 );
983 				strcpy( bv2.bv_val, bv.bv_val );
984 				bv2.bv_val[bv.bv_len] = ' ';
985 				strcpy( &bv2.bv_val[bv.bv_len + 1], bc.bv_val );
986 				ber_bvarray_add( &c->rvalue_vals, &bv2 );
987 
988 			} else {
989 				value_add_one( &c->rvalue_vals, &bv );
990 			}
991 			ber_memfree( bc.bv_val );
992 			}
993 			break;
994 
995 		case LDAP_BACK_CFG_ACL_BIND: {
996 			int	i;
997 
998 			if ( li->li_acl_authmethod == LDAP_AUTH_NONE ) {
999 				return 1;
1000 			}
1001 
1002 			bindconf_unparse( &li->li_acl, &bv );
1003 
1004 			for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
1005 				/* count spaces */ ;
1006 
1007 			if ( i ) {
1008 				bv.bv_len -= i;
1009 				AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
1010 					bv.bv_len + 1 );
1011 			}
1012 
1013 			ber_bvarray_add( &c->rvalue_vals, &bv );
1014 			break;
1015 		}
1016 
1017 		case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
1018 		case LDAP_BACK_CFG_IDASSERT_PASSTHRU: {
1019 			BerVarray	*bvp;
1020 			int		i;
1021 			struct berval	bv = BER_BVNULL;
1022 			char		buf[SLAP_TEXT_BUFLEN];
1023 
1024 			switch ( c->type ) {
1025 			case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: bvp = &li->li_idassert_authz; break;
1026 			case LDAP_BACK_CFG_IDASSERT_PASSTHRU: bvp = &li->li_idassert_passthru; break;
1027 			default: assert( 0 ); break;
1028 			}
1029 
1030 			if ( *bvp == NULL ) {
1031 				if ( bvp == &li->li_idassert_authz
1032 					&& ( li->li_idassert_flags & LDAP_BACK_AUTH_AUTHZ_ALL ) )
1033 				{
1034 					BER_BVSTR( &bv, "*" );
1035 					value_add_one( &c->rvalue_vals, &bv );
1036 
1037 				} else {
1038 					rc = 1;
1039 				}
1040 				break;
1041 			}
1042 
1043 			for ( i = 0; !BER_BVISNULL( &((*bvp)[ i ]) ); i++ ) {
1044 				char *ptr;
1045 				int len = snprintf( buf, sizeof( buf ), SLAP_X_ORDERED_FMT, i );
1046 				bv.bv_len = ((*bvp)[ i ]).bv_len + len;
1047 				bv.bv_val = ber_memrealloc( bv.bv_val, bv.bv_len + 1 );
1048 				ptr = bv.bv_val;
1049 				ptr = lutil_strcopy( ptr, buf );
1050 				ptr = lutil_strncopy( ptr, ((*bvp)[ i ]).bv_val, ((*bvp)[ i ]).bv_len );
1051 				value_add_one( &c->rvalue_vals, &bv );
1052 			}
1053 			if ( bv.bv_val ) {
1054 				ber_memfree( bv.bv_val );
1055 			}
1056 			break;
1057 		}
1058 
1059 		case LDAP_BACK_CFG_IDASSERT_BIND: {
1060 			int		i;
1061 			struct berval	bc = BER_BVNULL;
1062 			char		*ptr;
1063 
1064 			if ( li->li_idassert_authmethod == LDAP_AUTH_NONE ) {
1065 				return 1;
1066 			}
1067 
1068 			if ( li->li_idassert_authmethod != LDAP_AUTH_NONE ) {
1069 				ber_len_t	len;
1070 
1071 				switch ( li->li_idassert_mode ) {
1072 				case LDAP_BACK_IDASSERT_OTHERID:
1073 				case LDAP_BACK_IDASSERT_OTHERDN:
1074 					break;
1075 
1076 				default: {
1077 					struct berval	mode = BER_BVNULL;
1078 
1079 					enum_to_verb( idassert_mode, li->li_idassert_mode, &mode );
1080 					if ( BER_BVISNULL( &mode ) ) {
1081 						/* there's something wrong... */
1082 						assert( 0 );
1083 						rc = 1;
1084 
1085 					} else {
1086 						bv.bv_len = STRLENOF( "mode=" ) + mode.bv_len;
1087 						bv.bv_val = ch_malloc( bv.bv_len + 1 );
1088 
1089 						ptr = lutil_strcopy( bv.bv_val, "mode=" );
1090 						ptr = lutil_strcopy( ptr, mode.bv_val );
1091 					}
1092 					break;
1093 				}
1094 				}
1095 
1096 				if ( li->li_idassert_flags & LDAP_BACK_AUTH_NATIVE_AUTHZ ) {
1097 					len = bv.bv_len + STRLENOF( "authz=native" );
1098 
1099 					if ( !BER_BVISEMPTY( &bv ) ) {
1100 						len += STRLENOF( " " );
1101 					}
1102 
1103 					bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
1104 
1105 					ptr = &bv.bv_val[ bv.bv_len ];
1106 
1107 					if ( !BER_BVISEMPTY( &bv ) ) {
1108 						ptr = lutil_strcopy( ptr, " " );
1109 					}
1110 
1111 					(void)lutil_strcopy( ptr, "authz=native" );
1112 				}
1113 
1114 				len = bv.bv_len + STRLENOF( "flags=non-prescriptive,override,obsolete-encoding-workaround,proxy-authz-non-critical,dn-authzid" );
1115 				/* flags */
1116 				if ( !BER_BVISEMPTY( &bv ) ) {
1117 					len += STRLENOF( " " );
1118 				}
1119 
1120 				bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
1121 
1122 				ptr = &bv.bv_val[ bv.bv_len ];
1123 
1124 				if ( !BER_BVISEMPTY( &bv ) ) {
1125 					ptr = lutil_strcopy( ptr, " " );
1126 				}
1127 
1128 				ptr = lutil_strcopy( ptr, "flags=" );
1129 
1130 				if ( li->li_idassert_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
1131 					ptr = lutil_strcopy( ptr, "prescriptive" );
1132 				} else {
1133 					ptr = lutil_strcopy( ptr, "non-prescriptive" );
1134 				}
1135 
1136 				if ( li->li_idassert_flags & LDAP_BACK_AUTH_OVERRIDE ) {
1137 					ptr = lutil_strcopy( ptr, ",override" );
1138 				}
1139 
1140 				if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
1141 					ptr = lutil_strcopy( ptr, ",obsolete-proxy-authz" );
1142 
1143 				} else if ( li->li_idassert_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
1144 					ptr = lutil_strcopy( ptr, ",obsolete-encoding-workaround" );
1145 				}
1146 
1147 				if ( li->li_idassert_flags & LDAP_BACK_AUTH_PROXYAUTHZ_CRITICAL ) {
1148 					ptr = lutil_strcopy( ptr, ",proxy-authz-critical" );
1149 
1150 				} else {
1151 					ptr = lutil_strcopy( ptr, ",proxy-authz-non-critical" );
1152 				}
1153 
1154 				switch ( li->li_idassert_flags & LDAP_BACK_AUTH_DN_MASK ) {
1155 				case LDAP_BACK_AUTH_DN_AUTHZID:
1156 					ptr = lutil_strcopy( ptr, ",dn-authzid" );
1157 					break;
1158 
1159 				case LDAP_BACK_AUTH_DN_WHOAMI:
1160 					ptr = lutil_strcopy( ptr, ",dn-whoami" );
1161 					break;
1162 
1163 				default:
1164 #if 0 /* implicit */
1165 					ptr = lutil_strcopy( ptr, ",dn-none" );
1166 #endif
1167 					break;
1168 				}
1169 
1170 				bv.bv_len = ( ptr - bv.bv_val );
1171 				/* end-of-flags */
1172 			}
1173 
1174 			bindconf_unparse( &li->li_idassert.si_bc, &bc );
1175 
1176 			if ( !BER_BVISNULL( &bv ) ) {
1177 				ber_len_t	len = bv.bv_len + bc.bv_len;
1178 
1179 				bv.bv_val = ch_realloc( bv.bv_val, len + 1 );
1180 
1181 				assert( bc.bv_val[ 0 ] == ' ' );
1182 
1183 				ptr = lutil_strcopy( &bv.bv_val[ bv.bv_len ], bc.bv_val );
1184 				free( bc.bv_val );
1185 				bv.bv_len = ptr - bv.bv_val;
1186 
1187 			} else {
1188 				for ( i = 0; isspace( (unsigned char) bc.bv_val[ i ] ); i++ )
1189 					/* count spaces */ ;
1190 
1191 				if ( i ) {
1192 					bc.bv_len -= i;
1193 					AC_MEMCPY( bc.bv_val, &bc.bv_val[ i ], bc.bv_len + 1 );
1194 				}
1195 
1196 				bv = bc;
1197 			}
1198 
1199 			ber_bvarray_add( &c->rvalue_vals, &bv );
1200 
1201 			break;
1202 		}
1203 
1204 		case LDAP_BACK_CFG_REBIND:
1205 			c->value_int = LDAP_BACK_SAVECRED( li );
1206 			break;
1207 
1208 		case LDAP_BACK_CFG_CHASE:
1209 			c->value_int = LDAP_BACK_CHASE_REFERRALS( li );
1210 			break;
1211 
1212 		case LDAP_BACK_CFG_T_F:
1213 			enum_to_verb( t_f_mode, (li->li_flags & LDAP_BACK_F_T_F_MASK2), &bv );
1214 			if ( BER_BVISNULL( &bv ) ) {
1215 				/* there's something wrong... */
1216 				assert( 0 );
1217 				rc = 1;
1218 
1219 			} else {
1220 				value_add_one( &c->rvalue_vals, &bv );
1221 			}
1222 			break;
1223 
1224 		case LDAP_BACK_CFG_WHOAMI:
1225 			c->value_int = LDAP_BACK_PROXY_WHOAMI( li );
1226 			break;
1227 
1228 		case LDAP_BACK_CFG_TIMEOUT:
1229 			BER_BVZERO( &bv );
1230 
1231 			for ( i = 0; i < SLAP_OP_LAST; i++ ) {
1232 				if ( li->li_timeout[ i ] != 0 ) {
1233 					break;
1234 				}
1235 			}
1236 
1237 			if ( i == SLAP_OP_LAST ) {
1238 				return 1;
1239 			}
1240 
1241 			slap_cf_aux_table_unparse( li->li_timeout, &bv, timeout_table );
1242 
1243 			if ( BER_BVISNULL( &bv ) ) {
1244 				return 1;
1245 			}
1246 
1247 			for ( i = 0; isspace( (unsigned char) bv.bv_val[ i ] ); i++ )
1248 				/* count spaces */ ;
1249 
1250 			if ( i ) {
1251 				bv.bv_len -= i;
1252 				AC_MEMCPY( bv.bv_val, &bv.bv_val[ i ],
1253 					bv.bv_len + 1 );
1254 			}
1255 
1256 			ber_bvarray_add( &c->rvalue_vals, &bv );
1257 			break;
1258 
1259 		case LDAP_BACK_CFG_IDLE_TIMEOUT: {
1260 			char	buf[ SLAP_TEXT_BUFLEN ];
1261 
1262 			if ( li->li_idle_timeout == 0 ) {
1263 				return 1;
1264 			}
1265 
1266 			lutil_unparse_time( buf, sizeof( buf ), li->li_idle_timeout );
1267 			ber_str2bv( buf, 0, 0, &bv );
1268 			value_add_one( &c->rvalue_vals, &bv );
1269 			} break;
1270 
1271 		case LDAP_BACK_CFG_CONN_TTL: {
1272 			char	buf[ SLAP_TEXT_BUFLEN ];
1273 
1274 			if ( li->li_conn_ttl == 0 ) {
1275 				return 1;
1276 			}
1277 
1278 			lutil_unparse_time( buf, sizeof( buf ), li->li_conn_ttl );
1279 			ber_str2bv( buf, 0, 0, &bv );
1280 			value_add_one( &c->rvalue_vals, &bv );
1281 			} break;
1282 
1283 		case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
1284 			char	buf[ SLAP_TEXT_BUFLEN ];
1285 
1286 			if ( li->li_network_timeout == 0 ) {
1287 				return 1;
1288 			}
1289 
1290 			lutil_unparse_time( buf, sizeof( buf ), li->li_network_timeout );
1291 			ber_str2bv( buf, 0, 0, &bv );
1292 			value_add_one( &c->rvalue_vals, &bv );
1293 			} break;
1294 
1295 		case LDAP_BACK_CFG_VERSION:
1296 			if ( li->li_version == 0 ) {
1297 				return 1;
1298 			}
1299 
1300 			c->value_int = li->li_version;
1301 			break;
1302 
1303 		case LDAP_BACK_CFG_SINGLECONN:
1304 			c->value_int = LDAP_BACK_SINGLECONN( li );
1305 			break;
1306 
1307 		case LDAP_BACK_CFG_USETEMP:
1308 			c->value_int = LDAP_BACK_USE_TEMPORARIES( li );
1309 			break;
1310 
1311 		case LDAP_BACK_CFG_CONNPOOLMAX:
1312 			c->value_int = li->li_conn_priv_max;
1313 			break;
1314 
1315 		case LDAP_BACK_CFG_CANCEL: {
1316 			slap_mask_t	mask = LDAP_BACK_F_CANCEL_MASK2;
1317 
1318 			if ( LDAP_BACK_CANCEL_DISCOVER( li ) ) {
1319 				mask &= ~LDAP_BACK_F_CANCEL_EXOP;
1320 			}
1321 			enum_to_verb( cancel_mode, (li->li_flags & mask), &bv );
1322 			if ( BER_BVISNULL( &bv ) ) {
1323 				/* there's something wrong... */
1324 				assert( 0 );
1325 				rc = 1;
1326 
1327 			} else {
1328 				value_add_one( &c->rvalue_vals, &bv );
1329 			}
1330 			} break;
1331 
1332 		case LDAP_BACK_CFG_QUARANTINE:
1333 			if ( !LDAP_BACK_QUARANTINE( li ) ) {
1334 				rc = 1;
1335 				break;
1336 			}
1337 
1338 			rc = slap_retry_info_unparse( &li->li_quarantine, &bv );
1339 			if ( rc == 0 ) {
1340 				ber_bvarray_add( &c->rvalue_vals, &bv );
1341 			}
1342 			break;
1343 
1344 #ifdef SLAP_CONTROL_X_SESSION_TRACKING
1345 		case LDAP_BACK_CFG_ST_REQUEST:
1346 			c->value_int = LDAP_BACK_ST_REQUEST( li );
1347 			break;
1348 #endif /* SLAP_CONTROL_X_SESSION_TRACKING */
1349 
1350 		case LDAP_BACK_CFG_NOREFS:
1351 			c->value_int = LDAP_BACK_NOREFS( li );
1352 			break;
1353 
1354 		case LDAP_BACK_CFG_NOUNDEFFILTER:
1355 			c->value_int = LDAP_BACK_NOUNDEFFILTER( li );
1356 			break;
1357 
1358 		case LDAP_BACK_CFG_OMIT_UNKNOWN_SCHEMA:
1359 			c->value_int = LDAP_BACK_OMIT_UNKNOWN_SCHEMA( li );
1360 			break;
1361 
1362 		case LDAP_BACK_CFG_ONERR:
1363 			enum_to_verb( onerr_mode, li->li_flags & LDAP_BACK_F_ONERR_STOP, &bv );
1364 			if ( BER_BVISNULL( &bv )) {
1365 				rc = 1;
1366 			} else {
1367 				value_add_one( &c->rvalue_vals, &bv );
1368 			}
1369 			break;
1370 
1371 		case LDAP_BACK_CFG_KEEPALIVE: {
1372 			struct berval bv;
1373 			char buf[AC_LINE_MAX];
1374 			bv.bv_len = AC_LINE_MAX;
1375 			bv.bv_val = &buf[0];
1376 			slap_keepalive_parse(&bv, &li->li_tls.sb_keepalive, 0, 0, 1);
1377 			value_add_one( &c->rvalue_vals, &bv );
1378 			break;
1379 			}
1380 
1381 		case LDAP_BACK_CFG_TCP_USER_TIMEOUT:
1382 			c->value_uint = li->li_tls.sb_tcp_user_timeout;
1383 			break;
1384 
1385 		default:
1386 			/* FIXME: we need to handle all... */
1387 			assert( 0 );
1388 			break;
1389 		}
1390 		return rc;
1391 
1392 	} else if ( c->op == LDAP_MOD_DELETE ) {
1393 		switch( c->type ) {
1394 		case LDAP_BACK_CFG_URI:
1395 			if ( li->li_uri != NULL ) {
1396 				ch_free( li->li_uri );
1397 				li->li_uri = NULL;
1398 
1399 				assert( li->li_bvuri != NULL );
1400 				ber_bvarray_free( li->li_bvuri );
1401 				li->li_bvuri = NULL;
1402 			}
1403 
1404 			/* better cleanup the cached connections... */
1405 			/* NOTE: don't worry about locking: if we got here,
1406 			 * other threads are suspended. */
1407 			if ( li->li_conninfo.lai_tree != NULL ) {
1408 				ldap_tavl_free( li->li_conninfo.lai_tree, ldap_back_conn_free );
1409 				li->li_conninfo.lai_tree = NULL;
1410 			}
1411 
1412 			break;
1413 
1414 		case LDAP_BACK_CFG_TLS:
1415 			rc = 1;
1416 			break;
1417 
1418 		case LDAP_BACK_CFG_ACL_BIND:
1419 			bindconf_free( &li->li_acl );
1420 			break;
1421 
1422 		case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
1423 		case LDAP_BACK_CFG_IDASSERT_PASSTHRU: {
1424 			BerVarray *bvp;
1425 
1426 			switch ( c->type ) {
1427 			case LDAP_BACK_CFG_IDASSERT_AUTHZFROM: bvp = &li->li_idassert_authz; break;
1428 			case LDAP_BACK_CFG_IDASSERT_PASSTHRU: bvp = &li->li_idassert_passthru; break;
1429 			default: assert( 0 ); break;
1430 			}
1431 
1432 			if ( c->valx < 0 ) {
1433 				if ( *bvp != NULL ) {
1434 					ber_bvarray_free( *bvp );
1435 					*bvp = NULL;
1436 				}
1437 
1438 			} else {
1439 				int i;
1440 
1441 				if ( *bvp == NULL ) {
1442 					rc = 1;
1443 					break;
1444 				}
1445 
1446 				for ( i = 0; !BER_BVISNULL( &((*bvp)[ i ]) ); i++ )
1447 					;
1448 
1449 				if ( i >= c->valx ) {
1450 					rc = 1;
1451 					break;
1452 				}
1453 				ber_memfree( ((*bvp)[ c->valx ]).bv_val );
1454 				for ( i = c->valx; !BER_BVISNULL( &((*bvp)[ i + 1 ]) ); i++ ) {
1455 					(*bvp)[ i ] = (*bvp)[ i + 1 ];
1456 				}
1457 				BER_BVZERO( &((*bvp)[ i ]) );
1458 			}
1459 			} break;
1460 
1461 		case LDAP_BACK_CFG_IDASSERT_BIND:
1462 			bindconf_free( &li->li_idassert.si_bc );
1463 			memset( &li->li_idassert, 0, sizeof( slap_idassert_t ) );
1464 			break;
1465 
1466 		case LDAP_BACK_CFG_REBIND:
1467 		case LDAP_BACK_CFG_CHASE:
1468 		case LDAP_BACK_CFG_T_F:
1469 		case LDAP_BACK_CFG_WHOAMI:
1470 		case LDAP_BACK_CFG_CANCEL:
1471 			rc = 1;
1472 			break;
1473 
1474 		case LDAP_BACK_CFG_TIMEOUT:
1475 			for ( i = 0; i < SLAP_OP_LAST; i++ ) {
1476 				li->li_timeout[ i ] = 0;
1477 			}
1478 			break;
1479 
1480 		case LDAP_BACK_CFG_IDLE_TIMEOUT:
1481 			li->li_idle_timeout = 0;
1482 			break;
1483 
1484 		case LDAP_BACK_CFG_CONN_TTL:
1485 			li->li_conn_ttl = 0;
1486 			break;
1487 
1488 		case LDAP_BACK_CFG_NETWORK_TIMEOUT:
1489 			li->li_network_timeout = 0;
1490 			break;
1491 
1492 		case LDAP_BACK_CFG_VERSION:
1493 			li->li_version = 0;
1494 			break;
1495 
1496 		case LDAP_BACK_CFG_SINGLECONN:
1497 			li->li_flags &= ~LDAP_BACK_F_SINGLECONN;
1498 			break;
1499 
1500 		case LDAP_BACK_CFG_USETEMP:
1501 			li->li_flags &= ~LDAP_BACK_F_USE_TEMPORARIES;
1502 			break;
1503 
1504 		case LDAP_BACK_CFG_CONNPOOLMAX:
1505 			li->li_conn_priv_max = LDAP_BACK_CONN_PRIV_MIN;
1506 			break;
1507 
1508 		case LDAP_BACK_CFG_QUARANTINE:
1509 			if ( !LDAP_BACK_QUARANTINE( li ) ) {
1510 				break;
1511 			}
1512 
1513 			slap_retry_info_destroy( &li->li_quarantine );
1514 			ldap_pvt_thread_mutex_destroy( &li->li_quarantine_mutex );
1515 			li->li_isquarantined = 0;
1516 			li->li_flags &= ~LDAP_BACK_F_QUARANTINE;
1517 			break;
1518 
1519 #ifdef SLAP_CONTROL_X_SESSION_TRACKING
1520 		case LDAP_BACK_CFG_ST_REQUEST:
1521 			li->li_flags &= ~LDAP_BACK_F_ST_REQUEST;
1522 			break;
1523 #endif /* SLAP_CONTROL_X_SESSION_TRACKING */
1524 
1525 		case LDAP_BACK_CFG_NOREFS:
1526 			li->li_flags &= ~LDAP_BACK_F_NOREFS;
1527 			break;
1528 
1529 		case LDAP_BACK_CFG_NOUNDEFFILTER:
1530 			li->li_flags &= ~LDAP_BACK_F_NOUNDEFFILTER;
1531 			break;
1532 
1533 		case LDAP_BACK_CFG_OMIT_UNKNOWN_SCHEMA:
1534 			li->li_flags &= ~LDAP_BACK_F_OMIT_UNKNOWN_SCHEMA;
1535 			break;
1536 
1537 		case LDAP_BACK_CFG_ONERR:
1538 			li->li_flags &= ~LDAP_BACK_F_ONERR_STOP;
1539 			break;
1540 
1541 		case LDAP_BACK_CFG_KEEPALIVE:
1542 			li->li_tls.sb_keepalive.sk_idle = 0;
1543 			li->li_tls.sb_keepalive.sk_probes = 0;
1544 			li->li_tls.sb_keepalive.sk_interval = 0;
1545 			break;
1546 
1547 		case LDAP_BACK_CFG_TCP_USER_TIMEOUT:
1548 			li->li_tls.sb_tcp_user_timeout = 0;
1549 			break;
1550 
1551 		default:
1552 			/* FIXME: we need to handle all... */
1553 			assert( 0 );
1554 			break;
1555 		}
1556 		return rc;
1557 
1558 	}
1559 
1560 	switch( c->type ) {
1561 	case LDAP_BACK_CFG_URI: {
1562 		LDAPURLDesc	*tmpludp, *lud;
1563 		char		**urllist = NULL;
1564 		int		urlrc = LDAP_URL_SUCCESS, i;
1565 
1566 		if ( li->li_uri != NULL ) {
1567 			ch_free( li->li_uri );
1568 			li->li_uri = NULL;
1569 
1570 			assert( li->li_bvuri != NULL );
1571 			ber_bvarray_free( li->li_bvuri );
1572 			li->li_bvuri = NULL;
1573 		}
1574 
1575 		/* PARANOID: DN and more are not required nor allowed */
1576 		urlrc = ldap_url_parselist_ext( &lud, c->argv[ 1 ], ", \t", LDAP_PVT_URL_PARSE_NONE );
1577 		if ( urlrc != LDAP_URL_SUCCESS ) {
1578 			char	*why;
1579 
1580 			switch ( urlrc ) {
1581 			case LDAP_URL_ERR_MEM:
1582 				why = "no memory";
1583 				break;
1584 			case LDAP_URL_ERR_PARAM:
1585 		  		why = "parameter is bad";
1586 				break;
1587 			case LDAP_URL_ERR_BADSCHEME:
1588 				why = "URL doesn't begin with \"[c]ldap[si]://\"";
1589 				break;
1590 			case LDAP_URL_ERR_BADENCLOSURE:
1591 				why = "URL is missing trailing \">\"";
1592 				break;
1593 			case LDAP_URL_ERR_BADURL:
1594 				why = "URL is bad";
1595 				break;
1596 			case LDAP_URL_ERR_BADHOST:
1597 				why = "host/port is bad";
1598 				break;
1599 			case LDAP_URL_ERR_BADATTRS:
1600 				why = "bad (or missing) attributes";
1601 				break;
1602 			case LDAP_URL_ERR_BADSCOPE:
1603 				why = "scope string is invalid (or missing)";
1604 				break;
1605 			case LDAP_URL_ERR_BADFILTER:
1606 				why = "bad or missing filter";
1607 				break;
1608 			case LDAP_URL_ERR_BADEXTS:
1609 				why = "bad or missing extensions";
1610 				break;
1611 			default:
1612 				why = "unknown reason";
1613 				break;
1614 			}
1615 			snprintf( c->cr_msg, sizeof( c->cr_msg),
1616 					"unable to parse uri \"%s\" "
1617 					"in \"uri <uri>\" line: %s",
1618 					c->value_string, why );
1619 			Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1620 			urlrc = 1;
1621 			goto done_url;
1622 		}
1623 
1624 		for ( i = 0, tmpludp = lud;
1625 				tmpludp;
1626 				i++, tmpludp = tmpludp->lud_next )
1627 		{
1628 			if ( ( tmpludp->lud_dn != NULL
1629 						&& tmpludp->lud_dn[0] != '\0' )
1630 					|| tmpludp->lud_attrs != NULL
1631 					/* || tmpludp->lud_scope != LDAP_SCOPE_DEFAULT */
1632 					|| tmpludp->lud_filter != NULL
1633 					|| tmpludp->lud_exts != NULL )
1634 			{
1635 				snprintf( c->cr_msg, sizeof( c->cr_msg ),
1636 						"warning, only protocol, "
1637 						"host and port allowed "
1638 						"in \"uri <uri>\" statement "
1639 						"for uri #%d of \"%s\"",
1640 						i, c->argv[ 1 ] );
1641 				Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1642 			}
1643 		}
1644 
1645 		for ( i = 0, tmpludp = lud;
1646 				tmpludp;
1647 				i++, tmpludp = tmpludp->lud_next )
1648 			/* just count */
1649 			;
1650 		urllist = ch_calloc( sizeof( char * ), i + 1 );
1651 
1652 		for ( i = 0, tmpludp = lud;
1653 				tmpludp;
1654 				i++, tmpludp = tmpludp->lud_next )
1655 		{
1656 			LDAPURLDesc	tmplud;
1657 
1658 			tmplud = *tmpludp;
1659 			tmplud.lud_dn = "";
1660 			tmplud.lud_attrs = NULL;
1661 			tmplud.lud_filter = NULL;
1662 			if ( !ldap_is_ldapi_url( tmplud.lud_scheme ) ) {
1663 				tmplud.lud_exts = NULL;
1664 				tmplud.lud_crit_exts = 0;
1665 			}
1666 
1667 			urllist[ i ]  = ldap_url_desc2str( &tmplud );
1668 
1669 			if ( urllist[ i ] == NULL ) {
1670 				snprintf( c->cr_msg, sizeof( c->cr_msg),
1671 					"unable to rebuild uri "
1672 					"in \"uri <uri>\" statement "
1673 					"for \"%s\"",
1674 					c->argv[ 1 ] );
1675 				Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1676 				urlrc = 1;
1677 				goto done_url;
1678 			}
1679 		}
1680 
1681 		li->li_uri = ldap_charray2str( urllist, " " );
1682 		for ( i = 0; urllist[ i ] != NULL; i++ ) {
1683 			struct berval	bv;
1684 
1685 			ber_str2bv( urllist[ i ], 0, 0, &bv );
1686 			ber_bvarray_add( &li->li_bvuri, &bv );
1687 			urllist[ i ] = NULL;
1688 		}
1689 		ldap_memfree( urllist );
1690 		urllist = NULL;
1691 
1692 done_url:;
1693 		if ( urllist ) {
1694 			ldap_charray_free( urllist );
1695 		}
1696 		if ( lud ) {
1697 			ldap_free_urllist( lud );
1698 		}
1699 		if ( urlrc != LDAP_URL_SUCCESS ) {
1700 			return 1;
1701 		}
1702 		break;
1703 	}
1704 
1705 	case LDAP_BACK_CFG_TLS:
1706 		i = verb_to_mask( c->argv[1], tls_mode );
1707 		if ( BER_BVISNULL( &tls_mode[i].word ) ) {
1708 			return 1;
1709 		}
1710 		li->li_flags &= ~LDAP_BACK_F_TLS_MASK;
1711 		li->li_flags |= tls_mode[i].mask;
1712 		if ( c->argc > 2 ) {
1713 			for ( i=2; i<c->argc; i++ ) {
1714 				if ( bindconf_tls_parse( c->argv[i], &li->li_tls ))
1715 					return 1;
1716 			}
1717 			bindconf_tls_defaults( &li->li_tls );
1718 		}
1719 #ifdef HAVE_TLS
1720 		if ( li->li_tls.sb_tls_ctx ) {
1721 			ldap_pvt_tls_ctx_free( li->li_tls.sb_tls_ctx );
1722 			li->li_tls.sb_tls_ctx = NULL;
1723 		}
1724 #endif
1725 		break;
1726 
1727 	case LDAP_BACK_CFG_ACL_BIND:
1728 		for ( i = 1; i < c->argc; i++ ) {
1729 			if ( bindconf_parse( c->argv[ i ], &li->li_acl ) ) {
1730 				return 1;
1731 			}
1732 		}
1733 		bindconf_tls_defaults( &li->li_acl );
1734 #ifdef HAVE_TLS
1735 		if ( li->li_acl.sb_tls_ctx ) {
1736 			ldap_pvt_tls_ctx_free( li->li_acl.sb_tls_ctx );
1737 			li->li_acl.sb_tls_ctx = NULL;
1738 		}
1739 #endif
1740 		break;
1741 
1742 	case LDAP_BACK_CFG_IDASSERT_AUTHZFROM:
1743 		rc = slap_idassert_authzfrom_parse( c, &li->li_idassert );
1744 		break;
1745 
1746 	case LDAP_BACK_CFG_IDASSERT_PASSTHRU:
1747 		rc = slap_idassert_passthru_parse( c, &li->li_idassert );
1748 		break;
1749 
1750 	case LDAP_BACK_CFG_IDASSERT_BIND:
1751 		rc = slap_idassert_parse( c, &li->li_idassert );
1752 		break;
1753 
1754 	case LDAP_BACK_CFG_REBIND:
1755 		if ( c->argc == 1 || c->value_int ) {
1756 			li->li_flags |= LDAP_BACK_F_SAVECRED;
1757 
1758 		} else {
1759 			li->li_flags &= ~LDAP_BACK_F_SAVECRED;
1760 		}
1761 		break;
1762 
1763 	case LDAP_BACK_CFG_CHASE:
1764 		if ( c->argc == 1 || c->value_int ) {
1765 			li->li_flags |= LDAP_BACK_F_CHASE_REFERRALS;
1766 
1767 		} else {
1768 			li->li_flags &= ~LDAP_BACK_F_CHASE_REFERRALS;
1769 		}
1770 		break;
1771 
1772 	case LDAP_BACK_CFG_T_F: {
1773 		slap_mask_t		mask;
1774 
1775 		i = verb_to_mask( c->argv[1], t_f_mode );
1776 		if ( BER_BVISNULL( &t_f_mode[i].word ) ) {
1777 			return 1;
1778 		}
1779 
1780 		mask = t_f_mode[i].mask;
1781 
1782 		if ( LDAP_BACK_ISOPEN( li )
1783 			&& mask == LDAP_BACK_F_T_F_DISCOVER
1784 			&& !LDAP_BACK_T_F( li ) )
1785 		{
1786 			slap_bindconf	sb = { BER_BVNULL };
1787 			int		rc;
1788 
1789 			if ( li->li_uri == NULL ) {
1790 				snprintf( c->cr_msg, sizeof( c->cr_msg ),
1791 					"need URI to discover absolute filters support "
1792 					"in \"t-f-support discover\"" );
1793 				Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1794 				return 1;
1795 			}
1796 
1797 			ber_str2bv( li->li_uri, 0, 0, &sb.sb_uri );
1798 			sb.sb_version = li->li_version;
1799 			sb.sb_method = LDAP_AUTH_SIMPLE;
1800 			BER_BVSTR( &sb.sb_binddn, "" );
1801 
1802 			rc = slap_discover_feature( &sb,
1803 					slap_schema.si_ad_supportedFeatures->ad_cname.bv_val,
1804 					LDAP_FEATURE_ABSOLUTE_FILTERS );
1805 			if ( rc == LDAP_COMPARE_TRUE ) {
1806 				mask |= LDAP_BACK_F_T_F;
1807 			}
1808 		}
1809 
1810 		li->li_flags &= ~LDAP_BACK_F_T_F_MASK2;
1811 		li->li_flags |= mask;
1812 		} break;
1813 
1814 	case LDAP_BACK_CFG_WHOAMI:
1815 		if ( c->argc == 1 || c->value_int ) {
1816 			li->li_flags |= LDAP_BACK_F_PROXY_WHOAMI;
1817 			load_extop( (struct berval *)&slap_EXOP_WHOAMI,
1818 					0, ldap_back_exop_whoami );
1819 
1820 		} else {
1821 			li->li_flags &= ~LDAP_BACK_F_PROXY_WHOAMI;
1822 		}
1823 		break;
1824 
1825 	case LDAP_BACK_CFG_TIMEOUT:
1826 		for ( i = 1; i < c->argc; i++ ) {
1827 			if ( isdigit( (unsigned char) c->argv[ i ][ 0 ] ) ) {
1828 				int		j;
1829 				unsigned	u;
1830 
1831 				if ( lutil_atoux( &u, c->argv[ i ], 0 ) != 0 ) {
1832 					snprintf( c->cr_msg, sizeof( c->cr_msg),
1833 						"unable to parse timeout \"%s\"",
1834 						c->argv[ i ] );
1835 					Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1836 					return 1;
1837 				}
1838 
1839 				for ( j = 0; j < SLAP_OP_LAST; j++ ) {
1840 					li->li_timeout[ j ] = u;
1841 				}
1842 
1843 				continue;
1844 			}
1845 
1846 			if ( slap_cf_aux_table_parse( c->argv[ i ], li->li_timeout, timeout_table, "slapd-ldap timeout" ) ) {
1847 				snprintf( c->cr_msg, sizeof( c->cr_msg),
1848 					"unable to parse timeout \"%s\"",
1849 					c->argv[ i ] );
1850 				Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1851 				return 1;
1852 			}
1853 		}
1854 		break;
1855 
1856 	case LDAP_BACK_CFG_IDLE_TIMEOUT: {
1857 		unsigned long	t;
1858 
1859 		if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1860 			snprintf( c->cr_msg, sizeof( c->cr_msg),
1861 				"unable to parse idle timeout \"%s\"",
1862 				c->argv[ 1 ] );
1863 			Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1864 			return 1;
1865 		}
1866 		li->li_idle_timeout = (time_t)t;
1867 		} break;
1868 
1869 	case LDAP_BACK_CFG_CONN_TTL: {
1870 		unsigned long	t;
1871 
1872 		if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1873 			snprintf( c->cr_msg, sizeof( c->cr_msg),
1874 				"unable to parse conn ttl\"%s\"",
1875 				c->argv[ 1 ] );
1876 			Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1877 			return 1;
1878 		}
1879 		li->li_conn_ttl = (time_t)t;
1880 		} break;
1881 
1882 	case LDAP_BACK_CFG_NETWORK_TIMEOUT: {
1883 		unsigned long	t;
1884 
1885 		if ( lutil_parse_time( c->argv[ 1 ], &t ) != 0 ) {
1886 			snprintf( c->cr_msg, sizeof( c->cr_msg),
1887 				"unable to parse network timeout \"%s\"",
1888 				c->argv[ 1 ] );
1889 			Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1890 			return 1;
1891 		}
1892 		li->li_network_timeout = (time_t)t;
1893 		} break;
1894 
1895 	case LDAP_BACK_CFG_VERSION:
1896 		if ( c->value_int != 0 && ( c->value_int < LDAP_VERSION_MIN || c->value_int > LDAP_VERSION_MAX ) ) {
1897 			snprintf( c->cr_msg, sizeof( c->cr_msg ),
1898 				"unsupported version \"%s\" "
1899 				"in \"protocol-version <version>\"",
1900 				c->argv[ 1 ] );
1901 			Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1902 			return 1;
1903 		}
1904 
1905 		li->li_version = c->value_int;
1906 		break;
1907 
1908 	case LDAP_BACK_CFG_SINGLECONN:
1909 		if ( c->value_int ) {
1910 			li->li_flags |= LDAP_BACK_F_SINGLECONN;
1911 
1912 		} else {
1913 			li->li_flags &= ~LDAP_BACK_F_SINGLECONN;
1914 		}
1915 		break;
1916 
1917 	case LDAP_BACK_CFG_USETEMP:
1918 		if ( c->value_int ) {
1919 			li->li_flags |= LDAP_BACK_F_USE_TEMPORARIES;
1920 
1921 		} else {
1922 			li->li_flags &= ~LDAP_BACK_F_USE_TEMPORARIES;
1923 		}
1924 		break;
1925 
1926 	case LDAP_BACK_CFG_CONNPOOLMAX:
1927 		if ( c->value_int < LDAP_BACK_CONN_PRIV_MIN
1928 			|| c->value_int > LDAP_BACK_CONN_PRIV_MAX )
1929 		{
1930 			snprintf( c->cr_msg, sizeof( c->cr_msg ),
1931 				"invalid max size " "of privileged "
1932 				"connections pool \"%s\" "
1933 				"in \"conn-pool-max <n> "
1934 				"(must be between %d and %d)\"",
1935 				c->argv[ 1 ],
1936 				LDAP_BACK_CONN_PRIV_MIN,
1937 				LDAP_BACK_CONN_PRIV_MAX );
1938 			Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1939 			return 1;
1940 		}
1941 		li->li_conn_priv_max = c->value_int;
1942 		break;
1943 
1944 	case LDAP_BACK_CFG_CANCEL: {
1945 		slap_mask_t		mask;
1946 
1947 		i = verb_to_mask( c->argv[1], cancel_mode );
1948 		if ( BER_BVISNULL( &cancel_mode[i].word ) ) {
1949 			return 1;
1950 		}
1951 
1952 		mask = cancel_mode[i].mask;
1953 
1954 		if ( LDAP_BACK_ISOPEN( li )
1955 			&& mask == LDAP_BACK_F_CANCEL_EXOP_DISCOVER
1956 			&& !LDAP_BACK_CANCEL( li ) )
1957 		{
1958 			slap_bindconf	sb = { BER_BVNULL };
1959 			int		rc;
1960 
1961 			if ( li->li_uri == NULL ) {
1962 				snprintf( c->cr_msg, sizeof( c->cr_msg ),
1963 					"need URI to discover \"cancel\" support "
1964 					"in \"cancel exop-discover\"" );
1965 				Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1966 				return 1;
1967 			}
1968 
1969 			ber_str2bv( li->li_uri, 0, 0, &sb.sb_uri );
1970 			sb.sb_version = li->li_version;
1971 			sb.sb_method = LDAP_AUTH_SIMPLE;
1972 			BER_BVSTR( &sb.sb_binddn, "" );
1973 
1974 			rc = slap_discover_feature( &sb,
1975 					slap_schema.si_ad_supportedExtension->ad_cname.bv_val,
1976 					LDAP_EXOP_CANCEL );
1977 			if ( rc == LDAP_COMPARE_TRUE ) {
1978 				mask |= LDAP_BACK_F_CANCEL_EXOP;
1979 			}
1980 		}
1981 
1982 		li->li_flags &= ~LDAP_BACK_F_CANCEL_MASK2;
1983 		li->li_flags |= mask;
1984 		} break;
1985 
1986 	case LDAP_BACK_CFG_QUARANTINE:
1987 		if ( LDAP_BACK_QUARANTINE( li ) ) {
1988 			snprintf( c->cr_msg, sizeof( c->cr_msg ),
1989 				"quarantine already defined" );
1990 			Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1991 			return 1;
1992 		}
1993 		rc = slap_retry_info_parse( c->argv[1], &li->li_quarantine,
1994 			c->cr_msg, sizeof( c->cr_msg ) );
1995 		if ( rc ) {
1996 			Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
1997 
1998 		} else {
1999 			ldap_pvt_thread_mutex_init( &li->li_quarantine_mutex );
2000 			/* give it a chance to retry if the pattern gets reset
2001 			 * via back-config */
2002 			li->li_isquarantined = 0;
2003 			li->li_flags |= LDAP_BACK_F_QUARANTINE;
2004 		}
2005 		break;
2006 
2007 #ifdef SLAP_CONTROL_X_SESSION_TRACKING
2008 	case LDAP_BACK_CFG_ST_REQUEST:
2009 		if ( c->value_int ) {
2010 			li->li_flags |= LDAP_BACK_F_ST_REQUEST;
2011 
2012 		} else {
2013 			li->li_flags &= ~LDAP_BACK_F_ST_REQUEST;
2014 		}
2015 		break;
2016 #endif /* SLAP_CONTROL_X_SESSION_TRACKING */
2017 
2018 	case LDAP_BACK_CFG_NOREFS:
2019 		if ( c->value_int ) {
2020 			li->li_flags |= LDAP_BACK_F_NOREFS;
2021 
2022 		} else {
2023 			li->li_flags &= ~LDAP_BACK_F_NOREFS;
2024 		}
2025 		break;
2026 
2027 	case LDAP_BACK_CFG_NOUNDEFFILTER:
2028 		if ( c->value_int ) {
2029 			li->li_flags |= LDAP_BACK_F_NOUNDEFFILTER;
2030 
2031 		} else {
2032 			li->li_flags &= ~LDAP_BACK_F_NOUNDEFFILTER;
2033 		}
2034 		break;
2035 
2036 	case LDAP_BACK_CFG_ONERR:
2037 	/* onerr? */
2038 		i = verb_to_mask( c->argv[1], onerr_mode );
2039 		if ( BER_BVISNULL( &onerr_mode[i].word ) ) {
2040 			snprintf( c->cr_msg, sizeof( c->cr_msg ),
2041 				"%s unknown argument \"%s\"",
2042 				c->argv[0], c->argv[1] );
2043 			Debug( LDAP_DEBUG_ANY, "%s: %s.\n", c->log, c->cr_msg );
2044 			return 1;
2045 		}
2046 		li->li_flags &= ~LDAP_BACK_F_ONERR_STOP;
2047 		li->li_flags |= onerr_mode[i].mask;
2048 		break;
2049 
2050 	case LDAP_BACK_CFG_OMIT_UNKNOWN_SCHEMA:
2051 		if ( c->value_int ) {
2052 			li->li_flags |= LDAP_BACK_F_OMIT_UNKNOWN_SCHEMA;
2053 
2054 		} else {
2055 			li->li_flags &= ~LDAP_BACK_F_OMIT_UNKNOWN_SCHEMA;
2056 		}
2057 		break;
2058 
2059 	case LDAP_BACK_CFG_KEEPALIVE:
2060 		slap_keepalive_parse( ber_bvstrdup(c->argv[1]),
2061 				 &li->li_tls.sb_keepalive, 0, 0, 0);
2062 		break;
2063 
2064 	case LDAP_BACK_CFG_TCP_USER_TIMEOUT:
2065 		li->li_tls.sb_tcp_user_timeout = c->value_uint;
2066 		break;
2067 
2068 	default:
2069 		/* FIXME: try to catch inconsistencies */
2070 		assert( 0 );
2071 		break;
2072 	}
2073 
2074 	return rc;
2075 }
2076 
2077 int
ldap_back_init_cf(BackendInfo * bi)2078 ldap_back_init_cf( BackendInfo *bi )
2079 {
2080 	int			rc;
2081 
2082 	/* Make sure we don't exceed the bits reserved for userland */
2083 	config_check_userland( LDAP_BACK_CFG_LAST );
2084 
2085 	bi->bi_cf_ocs = ldapocs;
2086 
2087 	rc = config_register_schema( ldapcfg, ldapocs );
2088 	if ( rc ) {
2089 		return rc;
2090 	}
2091 
2092 	return 0;
2093 }
2094 
2095 static int
ldap_pbind_cf_gen(ConfigArgs * c)2096 ldap_pbind_cf_gen( ConfigArgs *c )
2097 {
2098 	slap_overinst	*on = (slap_overinst *)c->bi;
2099 	void	*private = c->be->be_private;
2100 	int		rc;
2101 
2102 	c->be->be_private = on->on_bi.bi_private;
2103 	rc = ldap_back_cf_gen( c );
2104 	c->be->be_private = private;
2105 	return rc;
2106 }
2107 
2108 int
ldap_pbind_init_cf(BackendInfo * bi)2109 ldap_pbind_init_cf( BackendInfo *bi )
2110 {
2111 	bi->bi_cf_ocs = pbindocs;
2112 
2113 	return config_register_schema( pbindcfg, pbindocs );
2114 }
2115 
2116 static int
ldap_back_exop_whoami(Operation * op,SlapReply * rs)2117 ldap_back_exop_whoami(
2118 		Operation	*op,
2119 		SlapReply	*rs )
2120 {
2121 	struct berval *bv = NULL;
2122 
2123 	if ( op->oq_extended.rs_reqdata != NULL ) {
2124 		/* no request data should be provided */
2125 		rs->sr_text = "no request data expected";
2126 		return rs->sr_err = LDAP_PROTOCOL_ERROR;
2127 	}
2128 
2129 	Debug( LDAP_DEBUG_STATS, "%s WHOAMI\n",
2130 	    op->o_log_prefix );
2131 
2132 	rs->sr_err = backend_check_restrictions( op, rs,
2133 			(struct berval *)&slap_EXOP_WHOAMI );
2134 	if( rs->sr_err != LDAP_SUCCESS ) return rs->sr_err;
2135 
2136 	/* if auth'd by back-ldap and request is proxied, forward it */
2137 	if ( op->o_conn->c_authz_backend
2138 		&& !strcmp( op->o_conn->c_authz_backend->be_type, "ldap" )
2139 		&& !dn_match( &op->o_ndn, &op->o_conn->c_ndn ) )
2140 	{
2141 		ldapconn_t	*lc = NULL;
2142 		LDAPControl c, *ctrls[2] = {NULL, NULL};
2143 		LDAPMessage *res;
2144 		Operation op2 = *op;
2145 		ber_int_t msgid;
2146 		int doretry = 1;
2147 		char *ptr;
2148 
2149 		ctrls[0] = &c;
2150 		op2.o_ndn = op->o_conn->c_ndn;
2151 		if ( !ldap_back_dobind( &lc, &op2, rs, LDAP_BACK_SENDERR ) ) {
2152 			return -1;
2153 		}
2154 		c.ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
2155 		c.ldctl_iscritical = 1;
2156 		c.ldctl_value.bv_val = op->o_tmpalloc(
2157 			op->o_ndn.bv_len + STRLENOF( "dn:" ) + 1,
2158 			op->o_tmpmemctx );
2159 		c.ldctl_value.bv_len = op->o_ndn.bv_len + 3;
2160 		ptr = c.ldctl_value.bv_val;
2161 		ptr = lutil_strcopy( ptr, "dn:" );
2162 		ptr = lutil_strncopy( ptr, op->o_ndn.bv_val, op->o_ndn.bv_len );
2163 		ptr[ 0 ] = '\0';
2164 
2165 retry:
2166 		rs->sr_err = ldap_whoami( lc->lc_ld, ctrls, NULL, &msgid );
2167 		if ( rs->sr_err == LDAP_SUCCESS ) {
2168 			/* by now, make sure no timeout is used (ITS#6282) */
2169 			struct timeval tv = { -1, 0 };
2170 			if ( ldap_result( lc->lc_ld, msgid, LDAP_MSG_ALL, &tv, &res ) == -1 ) {
2171 				ldap_get_option( lc->lc_ld, LDAP_OPT_ERROR_NUMBER,
2172 					&rs->sr_err );
2173 				if ( rs->sr_err == LDAP_SERVER_DOWN && doretry ) {
2174 					doretry = 0;
2175 					if ( ldap_back_retry( &lc, op, rs, LDAP_BACK_SENDERR ) ) {
2176 						goto retry;
2177 					}
2178 				}
2179 
2180 			} else {
2181 				/* NOTE: are we sure "bv" will be malloc'ed
2182 				 * with the appropriate memory? */
2183 				rs->sr_err = ldap_parse_whoami( lc->lc_ld, res, &bv );
2184 				ldap_msgfree(res);
2185 			}
2186 		}
2187 		op->o_tmpfree( c.ldctl_value.bv_val, op->o_tmpmemctx );
2188 		if ( rs->sr_err != LDAP_SUCCESS ) {
2189 			rs->sr_err = slap_map_api2result( rs );
2190 		}
2191 
2192 		if ( lc != NULL ) {
2193 			ldap_back_release_conn( (ldapinfo_t *)op2.o_bd->be_private, lc );
2194 		}
2195 
2196 	} else {
2197 		/* else just do the same as before */
2198 		bv = (struct berval *) ch_malloc( sizeof( struct berval ) );
2199 		if ( !BER_BVISEMPTY( &op->o_dn ) ) {
2200 			bv->bv_len = op->o_dn.bv_len + STRLENOF( "dn:" );
2201 			bv->bv_val = ch_malloc( bv->bv_len + 1 );
2202 			AC_MEMCPY( bv->bv_val, "dn:", STRLENOF( "dn:" ) );
2203 			AC_MEMCPY( &bv->bv_val[ STRLENOF( "dn:" ) ], op->o_dn.bv_val,
2204 				op->o_dn.bv_len );
2205 			bv->bv_val[ bv->bv_len ] = '\0';
2206 
2207 		} else {
2208 			bv->bv_len = 0;
2209 			bv->bv_val = NULL;
2210 		}
2211 	}
2212 
2213 	rs->sr_rspdata = bv;
2214 	return rs->sr_err;
2215 }
2216 
2217 
2218