1 /* $NetBSD: ppolicy.c,v 1.3 2021/08/14 16:15:02 christos Exp $ */
2
3 /* $OpenLDAP$ */
4 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 *
6 * Copyright 2004-2021 The OpenLDAP Foundation.
7 * Portions Copyright 2004-2005 Howard Chu, Symas Corporation.
8 * Portions Copyright 2004 Hewlett-Packard Company.
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted only as authorized by the OpenLDAP
13 * Public License.
14 *
15 * A copy of this license is available in the file LICENSE in the
16 * top-level directory of the distribution or, alternatively, at
17 * <http://www.OpenLDAP.org/license.html>.
18 */
19 /* ACKNOWLEDGEMENTS:
20 * This work was developed by Howard Chu for inclusion in
21 * OpenLDAP Software, based on prior work by Neil Dunbar (HP).
22 * This work was sponsored by the Hewlett-Packard Company.
23 */
24
25 #include <sys/cdefs.h>
26 __RCSID("$NetBSD: ppolicy.c,v 1.3 2021/08/14 16:15:02 christos Exp $");
27
28 #include "portable.h"
29
30 /* This file implements "Password Policy for LDAP Directories",
31 * based on draft behera-ldap-password-policy-09
32 */
33
34 #ifdef SLAPD_OVER_PPOLICY
35
36 #include <ldap.h>
37 #include "lutil.h"
38 #include "slap.h"
39 #ifdef SLAPD_MODULES
40 #define LIBLTDL_DLL_IMPORT /* Win32: don't re-export libltdl's symbols */
41 #include <ltdl.h>
42 #endif
43 #include <ac/errno.h>
44 #include <ac/time.h>
45 #include <ac/string.h>
46 #include <ac/ctype.h>
47 #include "slap-config.h"
48
49 #ifndef MODULE_NAME_SZ
50 #define MODULE_NAME_SZ 256
51 #endif
52
53 #ifndef PPOLICY_DEFAULT_MAXRECORDED_FAILURE
54 #define PPOLICY_DEFAULT_MAXRECORDED_FAILURE 5
55 #endif
56
57 /* Per-instance configuration information */
58 typedef struct pp_info {
59 struct berval def_policy; /* DN of default policy subentry */
60 int use_lockout; /* send AccountLocked result? */
61 int hash_passwords; /* transparently hash cleartext pwds */
62 int forward_updates; /* use frontend for policy state updates */
63 int disable_write;
64 int send_netscape_controls; /* send netscape password controls */
65 ldap_pvt_thread_mutex_t pwdFailureTime_mutex;
66 } pp_info;
67
68 /* Our per-connection info - note, it is not per-instance, it is
69 * used by all instances
70 */
71 typedef struct pw_conn {
72 struct berval dn; /* DN of restricted user */
73 } pw_conn;
74
75 static pw_conn *pwcons;
76 static int ppolicy_cid;
77 static int account_usability_cid;
78 static int ov_count;
79
80 typedef struct pass_policy {
81 AttributeDescription *ad; /* attribute to which the policy applies */
82 int pwdMinAge; /* minimum time (seconds) until passwd can change */
83 int pwdMaxAge; /* time in seconds until pwd will expire after change */
84 int pwdMaxIdle; /* number of seconds since last successful bind before
85 passwd gets locked out */
86 int pwdInHistory; /* number of previous passwords kept */
87 int pwdCheckQuality; /* 0 = don't check quality, 1 = check if possible,
88 2 = check mandatory; fail if not possible */
89 int pwdMinLength; /* minimum number of chars in password */
90 int pwdMaxLength; /* maximum number of chars in password */
91 int pwdExpireWarning; /* number of seconds that warning controls are
92 sent before a password expires */
93 int pwdGraceExpiry; /* number of seconds after expiry grace logins are
94 valid */
95 int pwdGraceAuthNLimit; /* number of times you can log in with an
96 expired password */
97 int pwdLockout; /* 0 = do not lockout passwords, 1 = lock them out */
98 int pwdLockoutDuration; /* time in seconds a password is locked out for */
99 int pwdMinDelay; /* base bind delay in seconds on failure */
100 int pwdMaxDelay; /* maximum bind delay in seconds */
101 int pwdMaxFailure; /* number of failed binds allowed before lockout */
102 int pwdMaxRecordedFailure; /* number of failed binds to store */
103 int pwdFailureCountInterval; /* number of seconds before failure
104 counts are zeroed */
105 int pwdMustChange; /* 0 = users can use admin set password
106 1 = users must change password after admin set */
107 int pwdAllowUserChange; /* 0 = users cannot change their passwords
108 1 = users can change them */
109 int pwdSafeModify; /* 0 = old password doesn't need to come
110 with password change request
111 1 = password change must supply existing pwd */
112 char pwdCheckModule[MODULE_NAME_SZ]; /* name of module to dynamically
113 load to check password */
114 struct berval pwdCheckModuleArg; /* Optional argument to the password check
115 module */
116 } PassPolicy;
117
118 typedef struct pw_hist {
119 time_t t; /* timestamp of history entry */
120 struct berval pw; /* old password hash */
121 struct berval bv; /* text of entire entry */
122 struct pw_hist *next;
123 } pw_hist;
124
125 /* Operational attributes */
126 static AttributeDescription *ad_pwdChangedTime, *ad_pwdAccountLockedTime,
127 *ad_pwdFailureTime, *ad_pwdHistory, *ad_pwdGraceUseTime, *ad_pwdReset,
128 *ad_pwdPolicySubentry, *ad_pwdStartTime, *ad_pwdEndTime,
129 *ad_pwdLastSuccess, *ad_pwdAccountTmpLockoutEnd;
130
131 /* Policy attributes */
132 static AttributeDescription *ad_pwdMinAge, *ad_pwdMaxAge, *ad_pwdMaxIdle,
133 *ad_pwdInHistory, *ad_pwdCheckQuality, *ad_pwdMinLength, *ad_pwdMaxLength,
134 *ad_pwdMaxFailure, *ad_pwdGraceExpiry, *ad_pwdGraceAuthNLimit,
135 *ad_pwdExpireWarning, *ad_pwdMinDelay, *ad_pwdMaxDelay,
136 *ad_pwdLockoutDuration, *ad_pwdFailureCountInterval,
137 *ad_pwdCheckModule, *ad_pwdCheckModuleArg, *ad_pwdLockout,
138 *ad_pwdMustChange, *ad_pwdAllowUserChange, *ad_pwdSafeModify,
139 *ad_pwdAttribute, *ad_pwdMaxRecordedFailure;
140
141 static struct schema_info {
142 char *def;
143 AttributeDescription **ad;
144 } pwd_OpSchema[] = {
145 { "( 1.3.6.1.4.1.42.2.27.8.1.16 "
146 "NAME ( 'pwdChangedTime' ) "
147 "DESC 'The time the password was last changed' "
148 "EQUALITY generalizedTimeMatch "
149 "ORDERING generalizedTimeOrderingMatch "
150 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
151 "SINGLE-VALUE "
152 "NO-USER-MODIFICATION "
153 "USAGE directoryOperation )",
154 &ad_pwdChangedTime },
155 { "( 1.3.6.1.4.1.42.2.27.8.1.17 "
156 "NAME ( 'pwdAccountLockedTime' ) "
157 "DESC 'The time an user account was locked' "
158 "EQUALITY generalizedTimeMatch "
159 "ORDERING generalizedTimeOrderingMatch "
160 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
161 "SINGLE-VALUE "
162 "NO-USER-MODIFICATION "
163 "USAGE directoryOperation )",
164 &ad_pwdAccountLockedTime },
165 { "( 1.3.6.1.4.1.42.2.27.8.1.19 "
166 "NAME ( 'pwdFailureTime' ) "
167 "DESC 'The timestamps of the last consecutive authentication failures' "
168 "EQUALITY generalizedTimeMatch "
169 "ORDERING generalizedTimeOrderingMatch "
170 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
171 "NO-USER-MODIFICATION "
172 "USAGE directoryOperation )",
173 &ad_pwdFailureTime },
174 { "( 1.3.6.1.4.1.42.2.27.8.1.20 "
175 "NAME ( 'pwdHistory' ) "
176 "DESC 'The history of users passwords' "
177 "EQUALITY octetStringMatch "
178 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.40 "
179 "NO-USER-MODIFICATION "
180 "USAGE directoryOperation )",
181 &ad_pwdHistory },
182 { "( 1.3.6.1.4.1.42.2.27.8.1.21 "
183 "NAME ( 'pwdGraceUseTime' ) "
184 "DESC 'The timestamps of the grace login once the password has expired' "
185 "EQUALITY generalizedTimeMatch "
186 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
187 "NO-USER-MODIFICATION "
188 "USAGE directoryOperation )",
189 &ad_pwdGraceUseTime },
190 { "( 1.3.6.1.4.1.42.2.27.8.1.22 "
191 "NAME ( 'pwdReset' ) "
192 "DESC 'The indication that the password has been reset' "
193 "EQUALITY booleanMatch "
194 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
195 "SINGLE-VALUE "
196 "USAGE directoryOperation )",
197 &ad_pwdReset },
198 { "( 1.3.6.1.4.1.42.2.27.8.1.23 "
199 "NAME ( 'pwdPolicySubentry' ) "
200 "DESC 'The pwdPolicy subentry in effect for this object' "
201 "EQUALITY distinguishedNameMatch "
202 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
203 "SINGLE-VALUE "
204 "NO-USER-MODIFICATION "
205 "USAGE directoryOperation )",
206 &ad_pwdPolicySubentry },
207 { "( 1.3.6.1.4.1.42.2.27.8.1.27 "
208 "NAME ( 'pwdStartTime' ) "
209 "DESC 'The time the password becomes enabled' "
210 "EQUALITY generalizedTimeMatch "
211 "ORDERING generalizedTimeOrderingMatch "
212 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
213 "SINGLE-VALUE "
214 "NO-USER-MODIFICATION "
215 "USAGE directoryOperation )",
216 &ad_pwdStartTime },
217 { "( 1.3.6.1.4.1.42.2.27.8.1.28 "
218 "NAME ( 'pwdEndTime' ) "
219 "DESC 'The time the password becomes disabled' "
220 "EQUALITY generalizedTimeMatch "
221 "ORDERING generalizedTimeOrderingMatch "
222 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
223 "SINGLE-VALUE "
224 "NO-USER-MODIFICATION "
225 "USAGE directoryOperation )",
226 &ad_pwdEndTime },
227 /* Defined in schema_prep.c now
228 { "( 1.3.6.1.4.1.42.2.27.8.1.29 "
229 "NAME ( 'pwdLastSuccess' ) "
230 "DESC 'The timestamp of the last successful authentication' "
231 "EQUALITY generalizedTimeMatch "
232 "ORDERING generalizedTimeOrderingMatch "
233 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
234 "SINGLE-VALUE "
235 "NO-USER-MODIFICATION "
236 "USAGE directoryOperation )",
237 &ad_pwdLastSuccess },
238 */
239 { "( 1.3.6.1.4.1.42.2.27.8.1.33 "
240 "NAME ( 'pwdAccountTmpLockoutEnd' ) "
241 "DESC 'Temporary lockout end' "
242 "EQUALITY generalizedTimeMatch "
243 "ORDERING generalizedTimeOrderingMatch "
244 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
245 "SINGLE-VALUE "
246 "NO-USER-MODIFICATION "
247 "USAGE directoryOperation )",
248 &ad_pwdAccountTmpLockoutEnd },
249
250 { "( 1.3.6.1.4.1.42.2.27.8.1.1 "
251 "NAME ( 'pwdAttribute' ) "
252 "EQUALITY objectIdentifierMatch "
253 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 )",
254 &ad_pwdAttribute },
255 { "( 1.3.6.1.4.1.42.2.27.8.1.2 "
256 "NAME ( 'pwdMinAge' ) "
257 "EQUALITY integerMatch "
258 "ORDERING integerOrderingMatch "
259 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
260 "SINGLE-VALUE )",
261 &ad_pwdMinAge },
262 { "( 1.3.6.1.4.1.42.2.27.8.1.3 "
263 "NAME ( 'pwdMaxAge' ) "
264 "EQUALITY integerMatch "
265 "ORDERING integerOrderingMatch "
266 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
267 "SINGLE-VALUE )",
268 &ad_pwdMaxAge },
269 { "( 1.3.6.1.4.1.42.2.27.8.1.4 "
270 "NAME ( 'pwdInHistory' ) "
271 "EQUALITY integerMatch "
272 "ORDERING integerOrderingMatch "
273 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
274 "SINGLE-VALUE )",
275 &ad_pwdInHistory },
276 { "( 1.3.6.1.4.1.42.2.27.8.1.5 "
277 "NAME ( 'pwdCheckQuality' ) "
278 "EQUALITY integerMatch "
279 "ORDERING integerOrderingMatch "
280 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
281 "SINGLE-VALUE )",
282 &ad_pwdCheckQuality },
283 { "( 1.3.6.1.4.1.42.2.27.8.1.6 "
284 "NAME ( 'pwdMinLength' ) "
285 "EQUALITY integerMatch "
286 "ORDERING integerOrderingMatch "
287 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
288 "SINGLE-VALUE )",
289 &ad_pwdMinLength },
290 { "( 1.3.6.1.4.1.42.2.27.8.1.31 "
291 "NAME ( 'pwdMaxLength' ) "
292 "EQUALITY integerMatch "
293 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
294 "SINGLE-VALUE )",
295 &ad_pwdMaxLength },
296 { "( 1.3.6.1.4.1.42.2.27.8.1.7 "
297 "NAME ( 'pwdExpireWarning' ) "
298 "EQUALITY integerMatch "
299 "ORDERING integerOrderingMatch "
300 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
301 "SINGLE-VALUE )",
302 &ad_pwdExpireWarning },
303 { "( 1.3.6.1.4.1.42.2.27.8.1.8 "
304 "NAME ( 'pwdGraceAuthNLimit' ) "
305 "EQUALITY integerMatch "
306 "ORDERING integerOrderingMatch "
307 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
308 "SINGLE-VALUE )",
309 &ad_pwdGraceAuthNLimit },
310 { "( 1.3.6.1.4.1.42.2.27.8.1.30 "
311 "NAME ( 'pwdGraceExpiry' ) "
312 "EQUALITY integerMatch "
313 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
314 "SINGLE-VALUE )",
315 &ad_pwdGraceExpiry },
316 { "( 1.3.6.1.4.1.42.2.27.8.1.9 "
317 "NAME ( 'pwdLockout' ) "
318 "EQUALITY booleanMatch "
319 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
320 "SINGLE-VALUE )",
321 &ad_pwdLockout },
322 { "( 1.3.6.1.4.1.42.2.27.8.1.10 "
323 "NAME ( 'pwdLockoutDuration' ) "
324 "EQUALITY integerMatch "
325 "ORDERING integerOrderingMatch "
326 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
327 "SINGLE-VALUE )",
328 &ad_pwdLockoutDuration },
329 { "( 1.3.6.1.4.1.42.2.27.8.1.11 "
330 "NAME ( 'pwdMaxFailure' ) "
331 "EQUALITY integerMatch "
332 "ORDERING integerOrderingMatch "
333 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
334 "SINGLE-VALUE )",
335 &ad_pwdMaxFailure },
336 { "( 1.3.6.1.4.1.42.2.27.8.1.12 "
337 "NAME ( 'pwdFailureCountInterval' ) "
338 "EQUALITY integerMatch "
339 "ORDERING integerOrderingMatch "
340 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
341 "SINGLE-VALUE )",
342 &ad_pwdFailureCountInterval },
343 { "( 1.3.6.1.4.1.42.2.27.8.1.13 "
344 "NAME ( 'pwdMustChange' ) "
345 "EQUALITY booleanMatch "
346 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
347 "SINGLE-VALUE )",
348 &ad_pwdMustChange },
349 { "( 1.3.6.1.4.1.42.2.27.8.1.14 "
350 "NAME ( 'pwdAllowUserChange' ) "
351 "EQUALITY booleanMatch "
352 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
353 "SINGLE-VALUE )",
354 &ad_pwdAllowUserChange },
355 { "( 1.3.6.1.4.1.42.2.27.8.1.15 "
356 "NAME ( 'pwdSafeModify' ) "
357 "EQUALITY booleanMatch "
358 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
359 "SINGLE-VALUE )",
360 &ad_pwdSafeModify },
361 { "( 1.3.6.1.4.1.42.2.27.8.1.24 "
362 "NAME ( 'pwdMinDelay' ) "
363 "EQUALITY integerMatch "
364 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
365 "SINGLE-VALUE )",
366 &ad_pwdMinDelay },
367 { "( 1.3.6.1.4.1.42.2.27.8.1.25 "
368 "NAME ( 'pwdMaxDelay' ) "
369 "EQUALITY integerMatch "
370 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
371 "SINGLE-VALUE )",
372 &ad_pwdMaxDelay },
373 { "( 1.3.6.1.4.1.42.2.27.8.1.26 "
374 "NAME ( 'pwdMaxIdle' ) "
375 "EQUALITY integerMatch "
376 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
377 "SINGLE-VALUE )",
378 &ad_pwdMaxIdle },
379 { "( 1.3.6.1.4.1.42.2.27.8.1.32 "
380 "NAME ( 'pwdMaxRecordedFailure' ) "
381 "EQUALITY integerMatch "
382 "ORDERING integerOrderingMatch "
383 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 "
384 "SINGLE-VALUE )",
385 &ad_pwdMaxRecordedFailure },
386 { "( 1.3.6.1.4.1.4754.1.99.1 "
387 "NAME ( 'pwdCheckModule' ) "
388 "EQUALITY caseExactIA5Match "
389 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 "
390 "DESC 'Loadable module that instantiates check_password() function' "
391 "SINGLE-VALUE )",
392 &ad_pwdCheckModule },
393 { "( 1.3.6.1.4.1.4754.1.99.2 "
394 "NAME ( 'pwdCheckModuleArg' ) "
395 "EQUALITY octetStringMatch "
396 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.40 "
397 "DESC 'Argument to pass to check_password() function' "
398 "SINGLE-VALUE )",
399 &ad_pwdCheckModuleArg },
400
401 { NULL, NULL }
402 };
403
404 static char *pwd_ocs[] = {
405 "( 1.3.6.1.4.1.4754.2.99.1 "
406 "NAME 'pwdPolicyChecker' "
407 "SUP top "
408 "AUXILIARY "
409 "MAY ( pwdCheckModule $ pwdCheckModuleArg ) )" ,
410 "( 1.3.6.1.4.1.42.2.27.8.2.1 "
411 "NAME 'pwdPolicy' "
412 "SUP top "
413 "AUXILIARY "
414 "MUST ( pwdAttribute ) "
415 "MAY ( pwdMinAge $ pwdMaxAge $ pwdInHistory $ pwdCheckQuality $ "
416 "pwdMinLength $ pwdMaxLength $ pwdExpireWarning $ "
417 "pwdGraceAuthNLimit $ pwdGraceExpiry $ pwdLockout $ "
418 "pwdLockoutDuration $ pwdMaxFailure $ pwdFailureCountInterval $ "
419 "pwdMustChange $ pwdAllowUserChange $ pwdSafeModify $ "
420 "pwdMinDelay $ pwdMaxDelay $ pwdMaxIdle $ "
421 "pwdMaxRecordedFailure ) )",
422 NULL
423 };
424
425 static ldap_pvt_thread_mutex_t chk_syntax_mutex;
426
427 enum {
428 PPOLICY_DEFAULT = 1,
429 PPOLICY_HASH_CLEARTEXT,
430 PPOLICY_USE_LOCKOUT,
431 PPOLICY_DISABLE_WRITE,
432 };
433
434 static ConfigDriver ppolicy_cf_default;
435
436 static ConfigTable ppolicycfg[] = {
437 { "ppolicy_default", "policyDN", 2, 2, 0,
438 ARG_DN|ARG_QUOTE|ARG_MAGIC|PPOLICY_DEFAULT, ppolicy_cf_default,
439 "( OLcfgOvAt:12.1 NAME 'olcPPolicyDefault' "
440 "DESC 'DN of a pwdPolicy object for uncustomized objects' "
441 "EQUALITY distinguishedNameMatch "
442 "SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
443 { "ppolicy_hash_cleartext", "on|off", 1, 2, 0,
444 ARG_ON_OFF|ARG_OFFSET|PPOLICY_HASH_CLEARTEXT,
445 (void *)offsetof(pp_info,hash_passwords),
446 "( OLcfgOvAt:12.2 NAME 'olcPPolicyHashCleartext' "
447 "DESC 'Hash passwords on add or modify' "
448 "EQUALITY booleanMatch "
449 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
450 { "ppolicy_forward_updates", "on|off", 1, 2, 0,
451 ARG_ON_OFF|ARG_OFFSET,
452 (void *)offsetof(pp_info,forward_updates),
453 "( OLcfgOvAt:12.4 NAME 'olcPPolicyForwardUpdates' "
454 "DESC 'Allow policy state updates to be forwarded via updateref' "
455 "EQUALITY booleanMatch "
456 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
457 { "ppolicy_use_lockout", "on|off", 1, 2, 0,
458 ARG_ON_OFF|ARG_OFFSET|PPOLICY_USE_LOCKOUT,
459 (void *)offsetof(pp_info,use_lockout),
460 "( OLcfgOvAt:12.3 NAME 'olcPPolicyUseLockout' "
461 "DESC 'Warn clients with AccountLocked' "
462 "EQUALITY booleanMatch "
463 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
464 { "ppolicy_disable_write", "on|off", 1, 2, 0,
465 ARG_ON_OFF|ARG_OFFSET|PPOLICY_DISABLE_WRITE,
466 (void *)offsetof(pp_info,disable_write),
467 "( OLcfgOvAt:12.5 NAME 'olcPPolicyDisableWrite' "
468 "DESC 'Prevent all policy overlay writes' "
469 "EQUALITY booleanMatch "
470 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
471 { "ppolicy_send_netscape_controls", "on|off", 1, 2, 0,
472 ARG_ON_OFF|ARG_OFFSET,
473 (void *)offsetof(pp_info,send_netscape_controls),
474 "( OLcfgOvAt:12.6 NAME 'olcPPolicySendNetscapeControls' "
475 "DESC 'Send Netscape policy controls' "
476 "EQUALITY booleanMatch "
477 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
478 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
479 };
480
481 static ConfigOCs ppolicyocs[] = {
482 { "( OLcfgOvOc:12.1 "
483 "NAME 'olcPPolicyConfig' "
484 "DESC 'Password Policy configuration' "
485 "SUP olcOverlayConfig "
486 "MAY ( olcPPolicyDefault $ olcPPolicyHashCleartext $ "
487 "olcPPolicyUseLockout $ olcPPolicyForwardUpdates $ "
488 "olcPPolicyDisableWrite $ olcPPolicySendNetscapeControls ) )",
489 Cft_Overlay, ppolicycfg },
490 { NULL, 0, NULL }
491 };
492
493 static int
ppolicy_cf_default(ConfigArgs * c)494 ppolicy_cf_default( ConfigArgs *c )
495 {
496 slap_overinst *on = (slap_overinst *)c->bi;
497 pp_info *pi = (pp_info *)on->on_bi.bi_private;
498 int rc = ARG_BAD_CONF;
499
500 assert ( c->type == PPOLICY_DEFAULT );
501 Debug(LDAP_DEBUG_TRACE, "==> ppolicy_cf_default\n" );
502
503 switch ( c->op ) {
504 case SLAP_CONFIG_EMIT:
505 Debug(LDAP_DEBUG_TRACE, "==> ppolicy_cf_default emit\n" );
506 rc = 0;
507 if ( !BER_BVISEMPTY( &pi->def_policy )) {
508 rc = value_add_one( &c->rvalue_vals,
509 &pi->def_policy );
510 if ( rc ) return rc;
511 rc = value_add_one( &c->rvalue_nvals,
512 &pi->def_policy );
513 }
514 break;
515 case LDAP_MOD_DELETE:
516 Debug(LDAP_DEBUG_TRACE, "==> ppolicy_cf_default delete\n" );
517 if ( pi->def_policy.bv_val ) {
518 ber_memfree ( pi->def_policy.bv_val );
519 pi->def_policy.bv_val = NULL;
520 }
521 pi->def_policy.bv_len = 0;
522 rc = 0;
523 break;
524 case SLAP_CONFIG_ADD:
525 /* fallthru to LDAP_MOD_ADD */
526 case LDAP_MOD_ADD:
527 Debug(LDAP_DEBUG_TRACE, "==> ppolicy_cf_default add\n" );
528 if ( pi->def_policy.bv_val ) {
529 ber_memfree ( pi->def_policy.bv_val );
530 }
531 pi->def_policy = c->value_ndn;
532 ber_memfree( c->value_dn.bv_val );
533 BER_BVZERO( &c->value_dn );
534 BER_BVZERO( &c->value_ndn );
535 rc = 0;
536 break;
537 default:
538 abort ();
539 }
540
541 return rc;
542 }
543
544 static time_t
parse_time(char * atm)545 parse_time( char *atm )
546 {
547 struct lutil_tm tm;
548 struct lutil_timet tt;
549 time_t ret = (time_t)-1;
550
551 if ( lutil_parsetime( atm, &tm ) == 0) {
552 lutil_tm2time( &tm, &tt );
553 ret = tt.tt_sec;
554 }
555 return ret;
556 }
557
558 static int
account_locked(Operation * op,Entry * e,PassPolicy * pp,Modifications ** mod)559 account_locked( Operation *op, Entry *e,
560 PassPolicy *pp, Modifications **mod )
561 {
562 Attribute *la;
563
564 if ( (la = attr_find( e->e_attrs, ad_pwdStartTime )) != NULL ) {
565 BerVarray vals = la->a_nvals;
566 time_t then, now = op->o_time;
567
568 /*
569 * Password has a defined start of validity
570 */
571 if ( vals[0].bv_val != NULL ) {
572 if ( (then = parse_time( vals[0].bv_val )) == (time_t)-1 ) {
573 return 1;
574 }
575 if ( now < then ) {
576 return 1;
577 }
578 }
579 }
580
581 if ( (la = attr_find( e->e_attrs, ad_pwdEndTime )) != NULL ) {
582 BerVarray vals = la->a_nvals;
583 time_t then, now = op->o_time;
584
585 /*
586 * Password has a defined end of validity
587 */
588 if ( vals[0].bv_val != NULL ) {
589 if ( (then = parse_time( vals[0].bv_val )) == (time_t)-1 ) {
590 return 1;
591 }
592 if ( then <= now ) {
593 return 1;
594 }
595 }
596 }
597
598 if ( !pp->pwdLockout )
599 return 0;
600
601 if ( (la = attr_find( e->e_attrs, ad_pwdAccountTmpLockoutEnd )) != NULL ) {
602 BerVarray vals = la->a_nvals;
603 time_t then, now = op->o_time;
604
605 /*
606 * We have temporarily locked the account after a failure
607 */
608 if ( vals[0].bv_val != NULL ) {
609 if ( (then = parse_time( vals[0].bv_val )) == (time_t)-1 ) {
610 return 1;
611 }
612 if ( now < then ) {
613 return 1;
614 }
615 }
616 }
617
618 /* Only check if database maintains lastbind */
619 if ( pp->pwdMaxIdle && SLAP_LASTBIND( op->o_bd ) ) {
620 time_t lastbindtime = (time_t)-1;
621
622 la = attr_find( e->e_attrs, ad_pwdLastSuccess );
623 if ( la == NULL ) {
624 la = attr_find( e->e_attrs, ad_pwdChangedTime );
625 }
626 if ( la != NULL ) {
627 lastbindtime = parse_time( la->a_nvals[0].bv_val );
628 }
629
630 if ( lastbindtime != (time_t)-1 &&
631 op->o_time > lastbindtime + pp->pwdMaxIdle ) {
632 return 1;
633 }
634 }
635
636 if ( (la = attr_find( e->e_attrs, ad_pwdAccountLockedTime )) != NULL ) {
637 BerVarray vals = la->a_nvals;
638
639 /*
640 * there is a lockout stamp - we now need to know if it's
641 * a valid one.
642 */
643 if (vals[0].bv_val != NULL) {
644 time_t then, now;
645 Modifications *m;
646
647 if ((then = parse_time( vals[0].bv_val )) == (time_t)0)
648 return 1;
649
650 now = slap_get_time();
651
652 /* Still in the future? not yet in effect */
653 if (now < then)
654 return 0;
655
656 if (!pp->pwdLockoutDuration)
657 return 1;
658
659 if (now < then + pp->pwdLockoutDuration)
660 return 1;
661
662 if ( mod != NULL ) {
663 m = ch_calloc( sizeof(Modifications), 1 );
664 m->sml_op = LDAP_MOD_DELETE;
665 m->sml_flags = 0;
666 m->sml_type = ad_pwdAccountLockedTime->ad_cname;
667 m->sml_desc = ad_pwdAccountLockedTime;
668 m->sml_next = *mod;
669 *mod = m;
670 }
671 }
672 }
673
674 return 0;
675 }
676
677 /* IMPLICIT TAGS, all context-specific */
678 #define PPOLICY_WARNING 0xa0L /* constructed + 0 */
679 #define PPOLICY_ERROR 0x81L /* primitive + 1 */
680
681 #define PPOLICY_EXPIRE 0x80L /* primitive + 0 */
682 #define PPOLICY_GRACE 0x81L /* primitive + 1 */
683
684 static const char ppolicy_ctrl_oid[] = LDAP_CONTROL_PASSWORDPOLICYRESPONSE;
685 static const char ppolicy_account_ctrl_oid[] = LDAP_CONTROL_X_ACCOUNT_USABILITY;
686 static const char ppolicy_pwd_expired_oid[] = LDAP_CONTROL_X_PASSWORD_EXPIRED;
687 static const char ppolicy_pwd_expiring_oid[] = LDAP_CONTROL_X_PASSWORD_EXPIRING;
688
689 static LDAPControl *
create_passcontrol(Operation * op,int exptime,int grace,LDAPPasswordPolicyError err)690 create_passcontrol( Operation *op, int exptime, int grace, LDAPPasswordPolicyError err )
691 {
692 BerElementBuffer berbuf, bb2;
693 BerElement *ber = (BerElement *) &berbuf, *b2 = (BerElement *) &bb2;
694 LDAPControl c = { 0 }, *cp;
695 struct berval bv;
696 int rc;
697
698 BER_BVZERO( &c.ldctl_value );
699
700 ber_init2( ber, NULL, LBER_USE_DER );
701 ber_printf( ber, "{" /*}*/ );
702
703 if ( exptime >= 0 ) {
704 ber_init2( b2, NULL, LBER_USE_DER );
705 ber_printf( b2, "ti", PPOLICY_EXPIRE, exptime );
706 rc = ber_flatten2( b2, &bv, 1 );
707 (void)ber_free_buf(b2);
708 if (rc == -1) {
709 cp = NULL;
710 goto fail;
711 }
712 ber_printf( ber, "tO", PPOLICY_WARNING, &bv );
713 ch_free( bv.bv_val );
714 } else if ( grace >= 0 ) {
715 ber_init2( b2, NULL, LBER_USE_DER );
716 ber_printf( b2, "ti", PPOLICY_GRACE, grace );
717 rc = ber_flatten2( b2, &bv, 1 );
718 (void)ber_free_buf(b2);
719 if (rc == -1) {
720 cp = NULL;
721 goto fail;
722 }
723 ber_printf( ber, "tO", PPOLICY_WARNING, &bv );
724 ch_free( bv.bv_val );
725 }
726
727 if (err != PP_noError ) {
728 ber_printf( ber, "te", PPOLICY_ERROR, err );
729 }
730 ber_printf( ber, /*{*/ "N}" );
731
732 if (ber_flatten2( ber, &c.ldctl_value, 0 ) == -1) {
733 return NULL;
734 }
735 cp = op->o_tmpalloc( sizeof( LDAPControl ) + c.ldctl_value.bv_len, op->o_tmpmemctx );
736 cp->ldctl_oid = (char *)ppolicy_ctrl_oid;
737 cp->ldctl_iscritical = 0;
738 cp->ldctl_value.bv_val = (char *)&cp[1];
739 cp->ldctl_value.bv_len = c.ldctl_value.bv_len;
740 AC_MEMCPY( cp->ldctl_value.bv_val, c.ldctl_value.bv_val, c.ldctl_value.bv_len );
741 fail:
742 (void)ber_free_buf(ber);
743
744 return cp;
745 }
746
747 static LDAPControl *
create_passexpiry(Operation * op,int expired,int warn)748 create_passexpiry( Operation *op, int expired, int warn )
749 {
750 LDAPControl *cp;
751 char buf[sizeof("-2147483648")];
752 struct berval bv = { .bv_val = buf, .bv_len = sizeof(buf) };
753
754 bv.bv_len = snprintf( bv.bv_val, bv.bv_len, "%d", warn );
755
756 cp = op->o_tmpalloc( sizeof( LDAPControl ) + bv.bv_len, op->o_tmpmemctx );
757 if ( expired ) {
758 cp->ldctl_oid = (char *)ppolicy_pwd_expired_oid;
759 } else {
760 cp->ldctl_oid = (char *)ppolicy_pwd_expiring_oid;
761 }
762 cp->ldctl_iscritical = 0;
763 cp->ldctl_value.bv_val = (char *)&cp[1];
764 cp->ldctl_value.bv_len = bv.bv_len;
765 AC_MEMCPY( cp->ldctl_value.bv_val, bv.bv_val, bv.bv_len );
766 return cp;
767 }
768
769 static LDAPControl **
add_passcontrol(Operation * op,SlapReply * rs,LDAPControl * ctrl)770 add_passcontrol( Operation *op, SlapReply *rs, LDAPControl *ctrl )
771 {
772 LDAPControl **ctrls, **oldctrls = rs->sr_ctrls;
773 int n;
774
775 n = 0;
776 if ( oldctrls ) {
777 for ( ; oldctrls[n]; n++ )
778 ;
779 }
780 n += 2;
781
782 ctrls = op->o_tmpcalloc( sizeof( LDAPControl * ), n, op->o_tmpmemctx );
783
784 n = 0;
785 if ( oldctrls ) {
786 for ( ; oldctrls[n]; n++ ) {
787 ctrls[n] = oldctrls[n];
788 }
789 }
790 ctrls[n] = ctrl;
791 ctrls[n+1] = NULL;
792
793 rs->sr_ctrls = ctrls;
794
795 return oldctrls;
796 }
797
798 static void
add_account_control(Operation * op,SlapReply * rs,int available,int remaining,LDAPAccountUsabilityMoreInfo * more_info)799 add_account_control(
800 Operation *op,
801 SlapReply *rs,
802 int available,
803 int remaining,
804 LDAPAccountUsabilityMoreInfo *more_info )
805 {
806 BerElementBuffer berbuf;
807 BerElement *ber = (BerElement *) &berbuf;
808 LDAPControl c = { 0 }, *cp = NULL, **ctrls;
809 int i = 0;
810
811 BER_BVZERO( &c.ldctl_value );
812
813 ber_init2( ber, NULL, LBER_USE_DER );
814
815 if ( available ) {
816 ber_put_int( ber, remaining, LDAP_TAG_X_ACCOUNT_USABILITY_AVAILABLE );
817 } else {
818 assert( more_info != NULL );
819
820 ber_start_seq( ber, LDAP_TAG_X_ACCOUNT_USABILITY_NOT_AVAILABLE );
821 ber_put_boolean( ber, more_info->inactive, LDAP_TAG_X_ACCOUNT_USABILITY_INACTIVE );
822 ber_put_boolean( ber, more_info->reset, LDAP_TAG_X_ACCOUNT_USABILITY_RESET );
823 ber_put_boolean( ber, more_info->expired, LDAP_TAG_X_ACCOUNT_USABILITY_EXPIRED );
824 ber_put_int( ber, more_info->remaining_grace, LDAP_TAG_X_ACCOUNT_USABILITY_REMAINING_GRACE );
825 ber_put_int( ber, more_info->seconds_before_unlock, LDAP_TAG_X_ACCOUNT_USABILITY_UNTIL_UNLOCK );
826 ber_put_seq( ber );
827 }
828
829 if (ber_flatten2( ber, &c.ldctl_value, 0 ) == -1) {
830 goto fail;
831 }
832
833 if ( rs->sr_ctrls != NULL ) {
834 for ( ; rs->sr_ctrls[ i ] != NULL; i++ ) /* Count */;
835 }
836
837 ctrls = op->o_tmprealloc( rs->sr_ctrls, sizeof(LDAPControl *)*( i + 2 ), op->o_tmpmemctx );
838 if ( ctrls == NULL ) {
839 goto fail;
840 }
841
842 cp = op->o_tmpalloc( sizeof( LDAPControl ) + c.ldctl_value.bv_len, op->o_tmpmemctx );
843 cp->ldctl_oid = (char *)ppolicy_account_ctrl_oid;
844 cp->ldctl_iscritical = 0;
845 cp->ldctl_value.bv_val = (char *)&cp[1];
846 cp->ldctl_value.bv_len = c.ldctl_value.bv_len;
847 AC_MEMCPY( cp->ldctl_value.bv_val, c.ldctl_value.bv_val, c.ldctl_value.bv_len );
848
849 ctrls[ i ] = cp;
850 ctrls[ i + 1 ] = NULL;
851 rs->sr_ctrls = ctrls;
852
853 fail:
854 (void)ber_free_buf(ber);
855 }
856
857 static void
ppolicy_get_default(PassPolicy * pp)858 ppolicy_get_default( PassPolicy *pp )
859 {
860 memset( pp, 0, sizeof(PassPolicy) );
861
862 pp->ad = slap_schema.si_ad_userPassword;
863
864 /* Users can change their own password by default */
865 pp->pwdAllowUserChange = 1;
866 }
867
868
869 static int
ppolicy_get(Operation * op,Entry * e,PassPolicy * pp)870 ppolicy_get( Operation *op, Entry *e, PassPolicy *pp )
871 {
872 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
873 pp_info *pi = on->on_bi.bi_private;
874 BackendDB *bd, *bd_orig = op->o_bd;
875 AttributeDescription *ad = NULL;
876 Attribute *a;
877 BerVarray vals;
878 int rc = LDAP_SUCCESS;
879 Entry *pe = NULL;
880 #if 0
881 const char *text;
882 #endif
883
884 ppolicy_get_default( pp );
885
886 ad = ad_pwdPolicySubentry;
887 if ( (a = attr_find( e->e_attrs, ad )) == NULL ) {
888 /*
889 * entry has no password policy assigned - use default
890 */
891 vals = &pi->def_policy;
892 if ( !vals->bv_val )
893 goto defaultpol;
894 } else {
895 vals = a->a_nvals;
896 if (vals[0].bv_val == NULL) {
897 Debug( LDAP_DEBUG_ANY,
898 "ppolicy_get: NULL value for policySubEntry\n" );
899 goto defaultpol;
900 }
901 }
902
903 op->o_bd = bd = select_backend( vals, 0 );
904 if ( op->o_bd == NULL ) {
905 op->o_bd = bd_orig;
906 goto defaultpol;
907 }
908
909 rc = be_entry_get_rw( op, vals, NULL, NULL, 0, &pe );
910 op->o_bd = bd_orig;
911
912 if ( rc ) goto defaultpol;
913
914 #if 0 /* Only worry about userPassword for now */
915 if ((a = attr_find( pe->e_attrs, ad_pwdAttribute )))
916 slap_bv2ad( &a->a_vals[0], &pp->ad, &text );
917 #endif
918
919 ad = ad_pwdMinAge;
920 if ( (a = attr_find( pe->e_attrs, ad ))
921 && lutil_atoi( &pp->pwdMinAge, a->a_vals[0].bv_val ) != 0 ) {
922 rc = LDAP_CONSTRAINT_VIOLATION;
923 goto defaultpol;
924 }
925
926 ad = ad_pwdMaxAge;
927 if ( (a = attr_find( pe->e_attrs, ad ))
928 && lutil_atoi( &pp->pwdMaxAge, a->a_vals[0].bv_val ) != 0 ) {
929 rc = LDAP_CONSTRAINT_VIOLATION;
930 goto defaultpol;
931 }
932
933 ad = ad_pwdMaxIdle;
934 if ( (a = attr_find( pe->e_attrs, ad ))
935 && lutil_atoi( &pp->pwdMaxIdle, a->a_vals[0].bv_val ) != 0 ) {
936 rc = LDAP_CONSTRAINT_VIOLATION;
937 goto defaultpol;
938 }
939
940 ad = ad_pwdInHistory;
941 if ( (a = attr_find( pe->e_attrs, ad ))
942 && lutil_atoi( &pp->pwdInHistory, a->a_vals[0].bv_val ) != 0 ) {
943 rc = LDAP_CONSTRAINT_VIOLATION;
944 goto defaultpol;
945 }
946
947 ad = ad_pwdCheckQuality;
948 if ( (a = attr_find( pe->e_attrs, ad ))
949 && lutil_atoi( &pp->pwdCheckQuality, a->a_vals[0].bv_val ) != 0 ) {
950 rc = LDAP_CONSTRAINT_VIOLATION;
951 goto defaultpol;
952 }
953
954 ad = ad_pwdMinLength;
955 if ( (a = attr_find( pe->e_attrs, ad ))
956 && lutil_atoi( &pp->pwdMinLength, a->a_vals[0].bv_val ) != 0 ) {
957 rc = LDAP_CONSTRAINT_VIOLATION;
958 goto defaultpol;
959 }
960
961 ad = ad_pwdMaxLength;
962 if ( (a = attr_find( pe->e_attrs, ad ))
963 && lutil_atoi( &pp->pwdMaxLength, a->a_vals[0].bv_val ) != 0 ) {
964 rc = LDAP_CONSTRAINT_VIOLATION;
965 goto defaultpol;
966 }
967
968 ad = ad_pwdMaxFailure;
969 if ( (a = attr_find( pe->e_attrs, ad ))
970 && lutil_atoi( &pp->pwdMaxFailure, a->a_vals[0].bv_val ) != 0 ) {
971 rc = LDAP_CONSTRAINT_VIOLATION;
972 goto defaultpol;
973 }
974
975 ad = ad_pwdMaxRecordedFailure;
976 if ( (a = attr_find( pe->e_attrs, ad ))
977 && lutil_atoi( &pp->pwdMaxRecordedFailure, a->a_vals[0].bv_val ) != 0 ) {
978 rc = LDAP_CONSTRAINT_VIOLATION;
979 goto defaultpol;
980 }
981
982 ad = ad_pwdGraceExpiry;
983 if ( (a = attr_find( pe->e_attrs, ad ))
984 && lutil_atoi( &pp->pwdGraceExpiry, a->a_vals[0].bv_val ) != 0 ) {
985 rc = LDAP_CONSTRAINT_VIOLATION;
986 goto defaultpol;
987 }
988
989 ad = ad_pwdGraceAuthNLimit;
990 if ( (a = attr_find( pe->e_attrs, ad ))
991 && lutil_atoi( &pp->pwdGraceAuthNLimit, a->a_vals[0].bv_val ) != 0 ) {
992 rc = LDAP_CONSTRAINT_VIOLATION;
993 goto defaultpol;
994 }
995
996 ad = ad_pwdExpireWarning;
997 if ( (a = attr_find( pe->e_attrs, ad ))
998 && lutil_atoi( &pp->pwdExpireWarning, a->a_vals[0].bv_val ) != 0 ) {
999 rc = LDAP_CONSTRAINT_VIOLATION;
1000 goto defaultpol;
1001 }
1002
1003 ad = ad_pwdFailureCountInterval;
1004 if ( (a = attr_find( pe->e_attrs, ad ))
1005 && lutil_atoi( &pp->pwdFailureCountInterval, a->a_vals[0].bv_val ) != 0 ) {
1006 rc = LDAP_CONSTRAINT_VIOLATION;
1007 goto defaultpol;
1008 }
1009
1010 ad = ad_pwdLockoutDuration;
1011 if ( (a = attr_find( pe->e_attrs, ad ))
1012 && lutil_atoi( &pp->pwdLockoutDuration, a->a_vals[0].bv_val ) != 0 ) {
1013 rc = LDAP_CONSTRAINT_VIOLATION;
1014 goto defaultpol;
1015 }
1016
1017 ad = ad_pwdMinDelay;
1018 if ( (a = attr_find( pe->e_attrs, ad ))
1019 && lutil_atoi( &pp->pwdMinDelay, a->a_vals[0].bv_val ) != 0 ) {
1020 rc = LDAP_CONSTRAINT_VIOLATION;
1021 goto defaultpol;
1022 }
1023
1024 ad = ad_pwdMaxDelay;
1025 if ( (a = attr_find( pe->e_attrs, ad ))
1026 && lutil_atoi( &pp->pwdMaxDelay, a->a_vals[0].bv_val ) != 0 ) {
1027 rc = LDAP_CONSTRAINT_VIOLATION;
1028 goto defaultpol;
1029 }
1030
1031 ad = ad_pwdCheckModule;
1032 if ( (a = attr_find( pe->e_attrs, ad )) ) {
1033 strncpy( pp->pwdCheckModule, a->a_vals[0].bv_val,
1034 sizeof(pp->pwdCheckModule) );
1035 pp->pwdCheckModule[sizeof(pp->pwdCheckModule)-1] = '\0';
1036 }
1037
1038 ad = ad_pwdCheckModuleArg;
1039 if ( (a = attr_find( pe->e_attrs, ad )) ) {
1040 ber_dupbv_x( &pp->pwdCheckModuleArg, &a->a_vals[0], op->o_tmpmemctx );
1041 }
1042
1043 ad = ad_pwdLockout;
1044 if ( (a = attr_find( pe->e_attrs, ad )) )
1045 pp->pwdLockout = bvmatch( &a->a_nvals[0], &slap_true_bv );
1046
1047 ad = ad_pwdMustChange;
1048 if ( (a = attr_find( pe->e_attrs, ad )) )
1049 pp->pwdMustChange = bvmatch( &a->a_nvals[0], &slap_true_bv );
1050
1051 ad = ad_pwdAllowUserChange;
1052 if ( (a = attr_find( pe->e_attrs, ad )) )
1053 pp->pwdAllowUserChange = bvmatch( &a->a_nvals[0], &slap_true_bv );
1054
1055 ad = ad_pwdSafeModify;
1056 if ( (a = attr_find( pe->e_attrs, ad )) )
1057 pp->pwdSafeModify = bvmatch( &a->a_nvals[0], &slap_true_bv );
1058
1059 if ( pp->pwdMaxRecordedFailure < pp->pwdMaxFailure )
1060 pp->pwdMaxRecordedFailure = pp->pwdMaxFailure;
1061
1062 if ( !pp->pwdMaxRecordedFailure && pp->pwdMinDelay )
1063 pp->pwdMaxRecordedFailure = PPOLICY_DEFAULT_MAXRECORDED_FAILURE;
1064
1065 if ( pp->pwdMinDelay && !pp->pwdMaxDelay ) {
1066 Debug( LDAP_DEBUG_ANY, "ppolicy_get: "
1067 "pwdMinDelay was set but pwdMaxDelay wasn't, assuming they "
1068 "are equal\n" );
1069 pp->pwdMaxDelay = pp->pwdMinDelay;
1070 }
1071
1072 op->o_bd = bd;
1073 be_entry_release_r( op, pe );
1074 op->o_bd = bd_orig;
1075
1076 return LDAP_SUCCESS;
1077
1078 defaultpol:
1079 if ( pe ) {
1080 op->o_bd = bd;
1081 be_entry_release_r( op, pe );
1082 op->o_bd = bd_orig;
1083 }
1084
1085 if ( rc && !BER_BVISNULL( vals ) ) {
1086 Debug( LDAP_DEBUG_ANY, "ppolicy_get: "
1087 "policy subentry %s missing or invalid at '%s', "
1088 "no policy will be applied!\n",
1089 vals->bv_val, ad ? ad->ad_cname.bv_val : "" );
1090 } else {
1091 Debug( LDAP_DEBUG_TRACE,
1092 "ppolicy_get: using default policy\n" );
1093 }
1094
1095 ppolicy_get_default( pp );
1096
1097 return -1;
1098 }
1099
1100 static int
password_scheme(struct berval * cred,struct berval * sch)1101 password_scheme( struct berval *cred, struct berval *sch )
1102 {
1103 int e;
1104
1105 assert( cred != NULL );
1106
1107 if (sch) {
1108 sch->bv_val = NULL;
1109 sch->bv_len = 0;
1110 }
1111
1112 if ((cred->bv_len == 0) || (cred->bv_val == NULL) ||
1113 (cred->bv_val[0] != '{')) return LDAP_OTHER;
1114
1115 for(e = 1; cred->bv_val[e] && cred->bv_val[e] != '}'; e++);
1116 if (cred->bv_val[e]) {
1117 int rc;
1118 rc = lutil_passwd_scheme( cred->bv_val );
1119 if (rc) {
1120 if (sch) {
1121 sch->bv_val = cred->bv_val;
1122 sch->bv_len = e;
1123 }
1124 return LDAP_SUCCESS;
1125 }
1126 }
1127 return LDAP_OTHER;
1128 }
1129
1130 static int
check_password_quality(struct berval * cred,PassPolicy * pp,LDAPPasswordPolicyError * err,Entry * e,char ** txt)1131 check_password_quality( struct berval *cred, PassPolicy *pp, LDAPPasswordPolicyError *err, Entry *e, char **txt )
1132 {
1133 int rc = LDAP_SUCCESS, ok = LDAP_SUCCESS;
1134 char *ptr;
1135 struct berval sch;
1136
1137 assert( cred != NULL );
1138 assert( pp != NULL );
1139 assert( txt != NULL );
1140
1141 ptr = cred->bv_val;
1142
1143 *txt = NULL;
1144
1145 if ((cred->bv_len == 0) || (pp->pwdMinLength > cred->bv_len)) {
1146 rc = LDAP_CONSTRAINT_VIOLATION;
1147 if ( err ) *err = PP_passwordTooShort;
1148 return rc;
1149 }
1150
1151 if ( pp->pwdMaxLength && cred->bv_len > pp->pwdMaxLength ) {
1152 rc = LDAP_CONSTRAINT_VIOLATION;
1153 if ( err ) *err = PP_passwordTooLong;
1154 return rc;
1155 }
1156
1157 /*
1158 * We need to know if the password is already hashed - if so
1159 * what scheme is it. The reason being that the "hash" of
1160 * {cleartext} still allows us to check the password.
1161 */
1162 rc = password_scheme( cred, &sch );
1163 if (rc == LDAP_SUCCESS) {
1164 if ((sch.bv_val) && (strncasecmp( sch.bv_val, "{cleartext}",
1165 sch.bv_len ) == 0)) {
1166 /*
1167 * We can check the cleartext "hash"
1168 */
1169 ptr = cred->bv_val + sch.bv_len;
1170 } else {
1171 /* everything else, we can't check */
1172 if (pp->pwdCheckQuality == 2) {
1173 rc = LDAP_CONSTRAINT_VIOLATION;
1174 if (err) *err = PP_insufficientPasswordQuality;
1175 return rc;
1176 }
1177 /*
1178 * We can't check the syntax of the password, but it's not
1179 * mandatory (according to the policy), so we return success.
1180 */
1181
1182 return LDAP_SUCCESS;
1183 }
1184 }
1185
1186 rc = LDAP_SUCCESS;
1187
1188 if (pp->pwdCheckModule[0]) {
1189 #ifdef SLAPD_MODULES
1190 lt_dlhandle mod;
1191 const char *err;
1192
1193 if ((mod = lt_dlopen( pp->pwdCheckModule )) == NULL) {
1194 err = lt_dlerror();
1195
1196 Debug(LDAP_DEBUG_ANY,
1197 "check_password_quality: lt_dlopen failed: (%s) %s.\n",
1198 pp->pwdCheckModule, err );
1199 ok = LDAP_OTHER; /* internal error */
1200 } else {
1201 /* FIXME: the error message ought to be passed thru a
1202 * struct berval, with preallocated buffer and size
1203 * passed in. Module can still allocate a buffer for
1204 * it if the provided one is too small.
1205 */
1206 int (*prog)( char *passwd, char **text, Entry *ent, struct berval *arg );
1207
1208 if ((prog = lt_dlsym( mod, "check_password" )) == NULL) {
1209 err = lt_dlerror();
1210
1211 Debug(LDAP_DEBUG_ANY,
1212 "check_password_quality: lt_dlsym failed: (%s) %s.\n",
1213 pp->pwdCheckModule, err );
1214 ok = LDAP_OTHER;
1215 } else {
1216 struct berval *arg = NULL;
1217 if ( !BER_BVISNULL( &pp->pwdCheckModuleArg ) ) {
1218 arg = &pp->pwdCheckModuleArg;
1219 }
1220
1221 ldap_pvt_thread_mutex_lock( &chk_syntax_mutex );
1222 ok = prog( ptr, txt, e, arg );
1223 ldap_pvt_thread_mutex_unlock( &chk_syntax_mutex );
1224 if (ok != LDAP_SUCCESS) {
1225 Debug(LDAP_DEBUG_ANY,
1226 "check_password_quality: module error: (%s) %s.[%d]\n",
1227 pp->pwdCheckModule, *txt ? *txt : "", ok );
1228 }
1229 }
1230
1231 lt_dlclose( mod );
1232 }
1233 #else
1234 Debug(LDAP_DEBUG_ANY, "check_password_quality: external modules not "
1235 "supported. pwdCheckModule ignored.\n" );
1236 #endif /* SLAPD_MODULES */
1237 }
1238
1239
1240 if (ok != LDAP_SUCCESS) {
1241 rc = LDAP_CONSTRAINT_VIOLATION;
1242 if (err) *err = PP_insufficientPasswordQuality;
1243 }
1244
1245 return rc;
1246 }
1247
1248 static int
parse_pwdhistory(struct berval * bv,char ** oid,time_t * oldtime,struct berval * oldpw)1249 parse_pwdhistory( struct berval *bv, char **oid, time_t *oldtime, struct berval *oldpw )
1250 {
1251 char *ptr;
1252 struct berval nv, npw;
1253 ber_len_t i, j;
1254
1255 assert (bv && (bv->bv_len > 0) && (bv->bv_val) && oldtime && oldpw );
1256
1257 if ( oid ) {
1258 *oid = 0;
1259 }
1260 *oldtime = (time_t)-1;
1261 BER_BVZERO( oldpw );
1262
1263 ber_dupbv( &nv, bv );
1264
1265 /* first get the time field */
1266 for ( i = 0; (i < nv.bv_len) && (nv.bv_val[i] != '#'); i++ )
1267 ;
1268 if ( i == nv.bv_len ) {
1269 goto exit_failure; /* couldn't locate the '#' separator */
1270 }
1271 nv.bv_val[i++] = '\0'; /* terminate the string & move to next field */
1272 ptr = nv.bv_val;
1273 *oldtime = parse_time( ptr );
1274 if (*oldtime == (time_t)-1) {
1275 goto exit_failure;
1276 }
1277
1278 /* get the OID field */
1279 for (ptr = &(nv.bv_val[i]); (i < nv.bv_len) && (nv.bv_val[i] != '#'); i++ )
1280 ;
1281 if ( i == nv.bv_len ) {
1282 goto exit_failure; /* couldn't locate the '#' separator */
1283 }
1284 nv.bv_val[i++] = '\0'; /* terminate the string & move to next field */
1285 if ( oid ) {
1286 *oid = ber_strdup( ptr );
1287 }
1288
1289 /* get the length field */
1290 for ( ptr = &(nv.bv_val[i]); (i < nv.bv_len) && (nv.bv_val[i] != '#'); i++ )
1291 ;
1292 if ( i == nv.bv_len ) {
1293 goto exit_failure; /* couldn't locate the '#' separator */
1294 }
1295 nv.bv_val[i++] = '\0'; /* terminate the string & move to next field */
1296 oldpw->bv_len = strtol( ptr, NULL, 10 );
1297 if (errno == ERANGE) {
1298 goto exit_failure;
1299 }
1300
1301 /* lastly, get the octets of the string */
1302 for ( j = i, ptr = &(nv.bv_val[i]); i < nv.bv_len; i++ )
1303 ;
1304 if ( i - j != oldpw->bv_len) {
1305 goto exit_failure; /* length is wrong */
1306 }
1307
1308 npw.bv_val = ptr;
1309 npw.bv_len = oldpw->bv_len;
1310 ber_dupbv( oldpw, &npw );
1311 ber_memfree( nv.bv_val );
1312
1313 return LDAP_SUCCESS;
1314
1315 exit_failure:;
1316 if ( oid && *oid ) {
1317 ber_memfree(*oid);
1318 *oid = NULL;
1319 }
1320 if ( oldpw->bv_val ) {
1321 ber_memfree( oldpw->bv_val);
1322 BER_BVZERO( oldpw );
1323 }
1324 ber_memfree( nv.bv_val );
1325
1326 return LDAP_OTHER;
1327 }
1328
1329 static void
add_to_pwd_history(pw_hist ** l,time_t t,struct berval * oldpw,struct berval * bv)1330 add_to_pwd_history( pw_hist **l, time_t t,
1331 struct berval *oldpw, struct berval *bv )
1332 {
1333 pw_hist *p, *p1, *p2;
1334
1335 if (!l) return;
1336
1337 p = ch_malloc( sizeof( pw_hist ));
1338 p->pw = *oldpw;
1339 ber_dupbv( &p->bv, bv );
1340 p->t = t;
1341 p->next = NULL;
1342
1343 if (*l == NULL) {
1344 /* degenerate case */
1345 *l = p;
1346 return;
1347 }
1348 /*
1349 * advance p1 and p2 such that p1 is the node before the
1350 * new one, and p2 is the node after it
1351 */
1352 for (p1 = NULL, p2 = *l; p2 && p2->t <= t; p1 = p2, p2=p2->next );
1353 p->next = p2;
1354 if (p1 == NULL) { *l = p; return; }
1355 p1->next = p;
1356 }
1357
1358 #ifndef MAX_PWD_HISTORY_SZ
1359 #define MAX_PWD_HISTORY_SZ 1024
1360 #endif /* MAX_PWD_HISTORY_SZ */
1361
1362 static void
make_pwd_history_value(char * timebuf,struct berval * bv,Attribute * pa)1363 make_pwd_history_value( char *timebuf, struct berval *bv, Attribute *pa )
1364 {
1365 char str[ MAX_PWD_HISTORY_SZ ];
1366 int nlen;
1367
1368 snprintf( str, MAX_PWD_HISTORY_SZ,
1369 "%s#%s#%lu#", timebuf,
1370 pa->a_desc->ad_type->sat_syntax->ssyn_oid,
1371 (unsigned long) pa->a_nvals[0].bv_len );
1372 str[MAX_PWD_HISTORY_SZ-1] = 0;
1373 nlen = strlen(str);
1374
1375 /*
1376 * We have to assume that the string is a string of octets,
1377 * not readable characters. In reality, yes, it probably is
1378 * a readable (ie, base64) string, but we can't count on that
1379 * Hence, while the first 3 fields of the password history
1380 * are definitely readable (a timestamp, an OID and an integer
1381 * length), the remaining octets of the actual password
1382 * are deemed to be binary data.
1383 */
1384 AC_MEMCPY( str + nlen, pa->a_nvals[0].bv_val, pa->a_nvals[0].bv_len );
1385 nlen += pa->a_nvals[0].bv_len;
1386 bv->bv_val = ch_malloc( nlen + 1 );
1387 AC_MEMCPY( bv->bv_val, str, nlen );
1388 bv->bv_val[nlen] = '\0';
1389 bv->bv_len = nlen;
1390 }
1391
1392 static void
free_pwd_history_list(pw_hist ** l)1393 free_pwd_history_list( pw_hist **l )
1394 {
1395 pw_hist *p;
1396
1397 if (!l) return;
1398 p = *l;
1399 while (p) {
1400 pw_hist *pp = p->next;
1401
1402 free(p->pw.bv_val);
1403 free(p->bv.bv_val);
1404 free(p);
1405 p = pp;
1406 }
1407 *l = NULL;
1408 }
1409
1410 typedef struct ppbind {
1411 slap_overinst *on;
1412 int send_ctrl;
1413 int set_restrict;
1414 LDAPControl **oldctrls;
1415 Modifications *mod;
1416 LDAPPasswordPolicyError pErr;
1417 PassPolicy pp;
1418 } ppbind;
1419
1420 static void
ctrls_cleanup(Operation * op,SlapReply * rs,LDAPControl ** oldctrls)1421 ctrls_cleanup( Operation *op, SlapReply *rs, LDAPControl **oldctrls )
1422 {
1423 int n;
1424
1425 assert( rs->sr_ctrls != NULL );
1426 assert( rs->sr_ctrls[0] != NULL );
1427
1428 for ( n = 0; rs->sr_ctrls[n]; n++ ) {
1429 if ( rs->sr_ctrls[n]->ldctl_oid == ppolicy_ctrl_oid ||
1430 rs->sr_ctrls[n]->ldctl_oid == ppolicy_pwd_expired_oid ||
1431 rs->sr_ctrls[n]->ldctl_oid == ppolicy_pwd_expiring_oid ) {
1432 op->o_tmpfree( rs->sr_ctrls[n], op->o_tmpmemctx );
1433 rs->sr_ctrls[n] = (LDAPControl *)(-1);
1434 break;
1435 }
1436 }
1437
1438 if ( rs->sr_ctrls[n] == NULL ) {
1439 /* missed? */
1440 }
1441
1442 op->o_tmpfree( rs->sr_ctrls, op->o_tmpmemctx );
1443
1444 rs->sr_ctrls = oldctrls;
1445 }
1446
1447 static int
ppolicy_ctrls_cleanup(Operation * op,SlapReply * rs)1448 ppolicy_ctrls_cleanup( Operation *op, SlapReply *rs )
1449 {
1450 ppbind *ppb = op->o_callback->sc_private;
1451 if ( ppb->send_ctrl ) {
1452 ctrls_cleanup( op, rs, ppb->oldctrls );
1453 }
1454 return SLAP_CB_CONTINUE;
1455 }
1456
1457 static int
ppolicy_bind_response(Operation * op,SlapReply * rs)1458 ppolicy_bind_response( Operation *op, SlapReply *rs )
1459 {
1460 ppbind *ppb = op->o_callback->sc_private;
1461 slap_overinst *on = ppb->on;
1462 pp_info *pi = on->on_bi.bi_private;
1463 Modifications *mod = ppb->mod, *m;
1464 int pwExpired = 0;
1465 int ngut = -1, warn = -1, fc = 0, age, rc;
1466 Attribute *a;
1467 time_t now, pwtime = (time_t)-1;
1468 struct lutil_tm now_tm;
1469 struct lutil_timet now_usec;
1470 char nowstr[ LDAP_LUTIL_GENTIME_BUFSIZE ];
1471 char nowstr_usec[ LDAP_LUTIL_GENTIME_BUFSIZE+8 ];
1472 struct berval timestamp, timestamp_usec;
1473 BackendInfo *bi = op->o_bd->bd_info;
1474 LDAPControl *ctrl = NULL;
1475 Entry *e;
1476
1477 ldap_pvt_thread_mutex_lock( &pi->pwdFailureTime_mutex );
1478 /* If we already know it's locked, just get on with it */
1479 if ( ppb->pErr != PP_noError ) {
1480 goto locked;
1481 }
1482
1483 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1484 rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
1485 op->o_bd->bd_info = bi;
1486
1487 if ( rc != LDAP_SUCCESS ) {
1488 ldap_pvt_thread_mutex_unlock( &pi->pwdFailureTime_mutex );
1489 return SLAP_CB_CONTINUE;
1490 }
1491
1492 /* ITS#7089 Skip lockout checks/modifications if password attribute missing */
1493 if ( attr_find( e->e_attrs, ppb->pp.ad ) == NULL ) {
1494 goto done;
1495 }
1496
1497 ldap_pvt_gettime(&now_tm); /* stored for later consideration */
1498 lutil_tm2time(&now_tm, &now_usec);
1499 now = now_usec.tt_sec;
1500 timestamp.bv_val = nowstr;
1501 timestamp.bv_len = sizeof(nowstr);
1502 slap_timestamp( &now, ×tamp );
1503
1504 /* Separate timestamp for pwdFailureTime with microsecond granularity */
1505 strcpy(nowstr_usec, nowstr);
1506 timestamp_usec.bv_val = nowstr_usec;
1507 timestamp_usec.bv_len = timestamp.bv_len;
1508 snprintf( timestamp_usec.bv_val + timestamp_usec.bv_len-1, sizeof(".123456Z"), ".%06dZ", now_usec.tt_nsec / 1000 );
1509 timestamp_usec.bv_len += STRLENOF(".123456");
1510
1511 if ( rs->sr_err == LDAP_INVALID_CREDENTIALS && ppb->pp.pwdMaxRecordedFailure ) {
1512 int i = 0;
1513
1514 m = ch_calloc( sizeof(Modifications), 1 );
1515 m->sml_op = LDAP_MOD_ADD;
1516 m->sml_flags = 0;
1517 m->sml_type = ad_pwdFailureTime->ad_cname;
1518 m->sml_desc = ad_pwdFailureTime;
1519 m->sml_numvals = 1;
1520 m->sml_values = ch_calloc( sizeof(struct berval), 2 );
1521 m->sml_nvalues = ch_calloc( sizeof(struct berval), 2 );
1522
1523 ber_dupbv( &m->sml_values[0], ×tamp_usec );
1524 ber_dupbv( &m->sml_nvalues[0], ×tamp_usec );
1525 m->sml_next = mod;
1526 mod = m;
1527
1528 /*
1529 * Count the pwdFailureTimes - if it's
1530 * greater than the policy pwdMaxFailure,
1531 * then lock the account.
1532 */
1533 if ((a = attr_find( e->e_attrs, ad_pwdFailureTime )) != NULL) {
1534 for(i=0; a->a_nvals[i].bv_val; i++) {
1535
1536 /*
1537 * If the interval is 0, then failures
1538 * stay on the record until explicitly
1539 * reset by successful authentication.
1540 */
1541 if (ppb->pp.pwdFailureCountInterval == 0) {
1542 fc++;
1543 } else if (now <=
1544 parse_time(a->a_nvals[i].bv_val) +
1545 ppb->pp.pwdFailureCountInterval) {
1546
1547 fc++;
1548 }
1549 /*
1550 * We only count those failures
1551 * which are not due to expire.
1552 */
1553 }
1554 /* Do we have too many timestamps? If so, delete some values.
1555 * We don't bother to sort the values here. OpenLDAP keeps the
1556 * values in order by default. Fundamentally, relying on the
1557 * information here is wrong anyway; monitoring systems should
1558 * be tracking Bind failures in syslog, not here.
1559 */
1560 if (a->a_numvals >= ppb->pp.pwdMaxRecordedFailure) {
1561 int j = ppb->pp.pwdMaxRecordedFailure-1;
1562 /* If more than 2x, cheaper to perform a Replace */
1563 if (a->a_numvals >= 2 * ppb->pp.pwdMaxRecordedFailure) {
1564 struct berval v, nv;
1565
1566 /* Change the mod we constructed above */
1567 m->sml_op = LDAP_MOD_REPLACE;
1568 m->sml_numvals = ppb->pp.pwdMaxRecordedFailure;
1569 v = m->sml_values[0];
1570 nv = m->sml_nvalues[0];
1571 ch_free(m->sml_values);
1572 ch_free(m->sml_nvalues);
1573 m->sml_values = ch_calloc( sizeof(struct berval), ppb->pp.pwdMaxRecordedFailure+1 );
1574 m->sml_nvalues = ch_calloc( sizeof(struct berval), ppb->pp.pwdMaxRecordedFailure+1 );
1575 for (i=0; i<j; i++) {
1576 ber_dupbv(&m->sml_values[i], &a->a_vals[a->a_numvals-j+i]);
1577 ber_dupbv(&m->sml_nvalues[i], &a->a_nvals[a->a_numvals-j+i]);
1578 }
1579 m->sml_values[i] = v;
1580 m->sml_nvalues[i] = nv;
1581 } else {
1582 /* else just delete some */
1583 m = ch_calloc( sizeof(Modifications), 1 );
1584 m->sml_op = LDAP_MOD_DELETE;
1585 m->sml_type = ad_pwdFailureTime->ad_cname;
1586 m->sml_desc = ad_pwdFailureTime;
1587 m->sml_numvals = a->a_numvals - j;
1588 m->sml_values = ch_calloc( sizeof(struct berval), m->sml_numvals+1 );
1589 m->sml_nvalues = ch_calloc( sizeof(struct berval), m->sml_numvals+1 );
1590 for (i=0; i<m->sml_numvals; i++) {
1591 ber_dupbv(&m->sml_values[i], &a->a_vals[i]);
1592 ber_dupbv(&m->sml_nvalues[i], &a->a_nvals[i]);
1593 }
1594 m->sml_next = mod;
1595 mod = m;
1596 }
1597 }
1598 }
1599
1600 if ((ppb->pp.pwdMaxFailure > 0) &&
1601 (fc >= ppb->pp.pwdMaxFailure - 1)) {
1602
1603 /*
1604 * We subtract 1 from the failure max
1605 * because the new failure entry hasn't
1606 * made it to the entry yet.
1607 */
1608 m = ch_calloc( sizeof(Modifications), 1 );
1609 m->sml_op = LDAP_MOD_REPLACE;
1610 m->sml_flags = 0;
1611 m->sml_type = ad_pwdAccountLockedTime->ad_cname;
1612 m->sml_desc = ad_pwdAccountLockedTime;
1613 m->sml_numvals = 1;
1614 m->sml_values = ch_calloc( sizeof(struct berval), 2 );
1615 m->sml_nvalues = ch_calloc( sizeof(struct berval), 2 );
1616 ber_dupbv( &m->sml_values[0], ×tamp );
1617 ber_dupbv( &m->sml_nvalues[0], ×tamp );
1618 m->sml_next = mod;
1619 mod = m;
1620 } else if ( ppb->pp.pwdMinDelay ) {
1621 int waittime = ppb->pp.pwdMinDelay << fc;
1622 time_t wait_end;
1623 struct berval lockout_stamp;
1624
1625 if ( waittime > ppb->pp.pwdMaxDelay ) {
1626 waittime = ppb->pp.pwdMaxDelay;
1627 }
1628 wait_end = now + waittime;
1629
1630 slap_timestamp( &wait_end, &lockout_stamp );
1631
1632 m = ch_calloc( sizeof(Modifications), 1 );
1633 m->sml_op = LDAP_MOD_REPLACE;
1634 m->sml_flags = 0;
1635 m->sml_type = ad_pwdAccountTmpLockoutEnd->ad_cname;
1636 m->sml_desc = ad_pwdAccountTmpLockoutEnd;
1637 m->sml_numvals = 1;
1638 m->sml_values = ch_calloc( sizeof(struct berval), 2 );
1639 m->sml_nvalues = ch_calloc( sizeof(struct berval), 2 );
1640 ber_dupbv( &m->sml_values[0], &lockout_stamp );
1641 ber_dupbv( &m->sml_nvalues[0], &lockout_stamp );
1642 m->sml_next = mod;
1643 mod = m;
1644 }
1645 } else if ( rs->sr_err == LDAP_SUCCESS ) {
1646 if ((a = attr_find( e->e_attrs, ad_pwdChangedTime )) != NULL)
1647 pwtime = parse_time( a->a_nvals[0].bv_val );
1648
1649 /* delete all pwdFailureTimes */
1650 if ( attr_find( e->e_attrs, ad_pwdFailureTime )) {
1651 m = ch_calloc( sizeof(Modifications), 1 );
1652 m->sml_op = LDAP_MOD_DELETE;
1653 m->sml_flags = 0;
1654 m->sml_type = ad_pwdFailureTime->ad_cname;
1655 m->sml_desc = ad_pwdFailureTime;
1656 m->sml_next = mod;
1657 mod = m;
1658 }
1659
1660 /*
1661 * check to see if the password must be changed
1662 */
1663 if ( ppb->pp.pwdMustChange &&
1664 (a = attr_find( e->e_attrs, ad_pwdReset )) &&
1665 bvmatch( &a->a_nvals[0], &slap_true_bv ) )
1666 {
1667 /*
1668 * need to inject client controls here to give
1669 * more information. For the moment, we ensure
1670 * that we are disallowed from doing anything
1671 * other than change password.
1672 */
1673 if ( ppb->set_restrict ) {
1674 ber_dupbv( &pwcons[op->o_conn->c_conn_idx].dn,
1675 &op->o_conn->c_ndn );
1676 }
1677
1678 ppb->pErr = PP_changeAfterReset;
1679
1680 } else {
1681 /*
1682 * the password does not need to be changed, so
1683 * we now check whether the password has expired.
1684 *
1685 * We can skip this bit if passwords don't age in
1686 * the policy. Also, if there was no pwdChangedTime
1687 * attribute in the entry, the password never expires.
1688 */
1689 if (ppb->pp.pwdMaxAge == 0) goto grace;
1690
1691 if (pwtime != (time_t)-1) {
1692 /*
1693 * Check: was the last change time of
1694 * the password older than the maximum age
1695 * allowed. (Ignore case 2 from I-D, it's just silly.)
1696 */
1697 if (now - pwtime > ppb->pp.pwdMaxAge ) pwExpired = 1;
1698 }
1699 }
1700
1701 grace:
1702 if (!pwExpired) goto check_expiring_password;
1703
1704 if ( ppb->pp.pwdGraceExpiry &&
1705 now - pwtime > ppb->pp.pwdMaxAge + ppb->pp.pwdGraceExpiry ) {
1706 /* Grace logins have expired now */
1707 ngut = 0;
1708 } else if ((a = attr_find( e->e_attrs, ad_pwdGraceUseTime )) == NULL) {
1709 ngut = ppb->pp.pwdGraceAuthNLimit;
1710 } else {
1711 for(ngut=0; a->a_nvals[ngut].bv_val; ngut++);
1712 ngut = ppb->pp.pwdGraceAuthNLimit - ngut;
1713 }
1714
1715 /*
1716 * ngut is the number of remaining grace logins
1717 */
1718 Debug( LDAP_DEBUG_ANY,
1719 "ppolicy_bind: Entry %s has an expired password: %d grace logins\n",
1720 e->e_name.bv_val, ngut );
1721
1722 ngut--;
1723
1724 if (ngut < 0) {
1725 ppb->pErr = PP_passwordExpired;
1726 rs->sr_err = LDAP_INVALID_CREDENTIALS;
1727 goto done;
1728 }
1729
1730 /*
1731 * Add a grace user time to the entry
1732 */
1733 m = ch_calloc( sizeof(Modifications), 1 );
1734 m->sml_op = LDAP_MOD_ADD;
1735 m->sml_flags = 0;
1736 m->sml_type = ad_pwdGraceUseTime->ad_cname;
1737 m->sml_desc = ad_pwdGraceUseTime;
1738 m->sml_numvals = 1;
1739 m->sml_values = ch_calloc( sizeof(struct berval), 2 );
1740 m->sml_nvalues = ch_calloc( sizeof(struct berval), 2 );
1741 ber_dupbv( &m->sml_values[0], ×tamp_usec );
1742 ber_dupbv( &m->sml_nvalues[0], ×tamp_usec );
1743 m->sml_next = mod;
1744 mod = m;
1745
1746 check_expiring_password:
1747 /*
1748 * Now we need to check to see
1749 * if it is about to expire, and if so, should the user
1750 * be warned about it in the password policy control.
1751 *
1752 * If the password has expired, and we're in the grace period, then
1753 * we don't need to do this bit. Similarly, if we don't have password
1754 * aging, then there's no need to do this bit either.
1755 */
1756 if ((ppb->pp.pwdMaxAge < 1) || (pwExpired) || (ppb->pp.pwdExpireWarning < 1))
1757 goto done;
1758
1759 age = (int)(now - pwtime);
1760
1761 /*
1762 * We know that there is a password Change Time attribute - if
1763 * there wasn't, then the pwdExpired value would be true, unless
1764 * there is no password aging - and if there is no password aging,
1765 * then this section isn't called anyway - you can't have an
1766 * expiring password if there's no limit to expire.
1767 */
1768 if (ppb->pp.pwdMaxAge - age < ppb->pp.pwdExpireWarning ) {
1769 /*
1770 * Set the warning value.
1771 */
1772 warn = ppb->pp.pwdMaxAge - age; /* seconds left until expiry */
1773 if (warn < 0) warn = 0; /* something weird here - why is pwExpired not set? */
1774
1775 Debug( LDAP_DEBUG_ANY,
1776 "ppolicy_bind: Setting warning for password expiry for %s = %d seconds\n",
1777 op->o_req_dn.bv_val, warn );
1778 }
1779 }
1780
1781 done:
1782 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1783 be_entry_release_r( op, e );
1784
1785 locked:
1786 if ( mod && !pi->disable_write ) {
1787 Operation op2 = *op;
1788 SlapReply r2 = { REP_RESULT };
1789 slap_callback cb = { NULL, slap_null_cb, NULL, NULL };
1790 LDAPControl c, *ca[2];
1791
1792 op2.o_tag = LDAP_REQ_MODIFY;
1793 op2.o_callback = &cb;
1794 op2.orm_modlist = mod;
1795 op2.orm_no_opattrs = 0;
1796 op2.o_dn = op->o_bd->be_rootdn;
1797 op2.o_ndn = op->o_bd->be_rootndn;
1798
1799 /* If this server is a shadow and forward_updates is true,
1800 * use the frontend to perform this modify. That will trigger
1801 * the update referral, which can then be forwarded by the
1802 * chain overlay. Obviously the updateref and chain overlay
1803 * must be configured appropriately for this to be useful.
1804 */
1805 if ( SLAP_SHADOW( op->o_bd ) && pi->forward_updates ) {
1806 op2.o_bd = frontendDB;
1807
1808 /* Must use Relax control since these are no-user-mod */
1809 op2.o_relax = SLAP_CONTROL_CRITICAL;
1810 op2.o_ctrls = ca;
1811 ca[0] = &c;
1812 ca[1] = NULL;
1813 BER_BVZERO( &c.ldctl_value );
1814 c.ldctl_iscritical = 1;
1815 c.ldctl_oid = LDAP_CONTROL_RELAX;
1816 } else {
1817 /* If not forwarding, don't update opattrs and don't replicate */
1818 if ( SLAP_SINGLE_SHADOW( op->o_bd )) {
1819 op2.orm_no_opattrs = 1;
1820 op2.o_dont_replicate = 1;
1821 }
1822 op2.o_bd->bd_info = (BackendInfo *)on->on_info;
1823 }
1824 rc = op2.o_bd->be_modify( &op2, &r2 );
1825 if ( rc != LDAP_SUCCESS ) {
1826 Debug( LDAP_DEBUG_ANY, "%s ppolicy_bind_response: "
1827 "ppolicy state change failed with rc=%d text=%s\n",
1828 op->o_log_prefix, rc, r2.sr_text );
1829 }
1830 }
1831 if ( mod ) {
1832 slap_mods_free( mod, 1 );
1833 }
1834
1835 if ( ppb->send_ctrl ) {
1836
1837 /* Do we really want to tell that the account is locked? */
1838 if ( ppb->pErr == PP_accountLocked && !pi->use_lockout ) {
1839 ppb->pErr = PP_noError;
1840 }
1841 ctrl = create_passcontrol( op, warn, ngut, ppb->pErr );
1842 } else if ( pi->send_netscape_controls ) {
1843 if ( ppb->pErr != PP_noError || pwExpired ) {
1844 ctrl = create_passexpiry( op, 1, 0 );
1845 } else if ( warn > 0 ) {
1846 ctrl = create_passexpiry( op, 0, warn );
1847 }
1848 }
1849 if ( ctrl ) {
1850 ppb->oldctrls = add_passcontrol( op, rs, ctrl );
1851 op->o_callback->sc_cleanup = ppolicy_ctrls_cleanup;
1852 }
1853 op->o_bd->bd_info = bi;
1854 ldap_pvt_thread_mutex_unlock( &pi->pwdFailureTime_mutex );
1855 return SLAP_CB_CONTINUE;
1856 }
1857
1858 static int
ppolicy_bind(Operation * op,SlapReply * rs)1859 ppolicy_bind( Operation *op, SlapReply *rs )
1860 {
1861 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1862
1863 /* Reset lockout status on all Bind requests */
1864 if ( !BER_BVISEMPTY( &pwcons[op->o_conn->c_conn_idx].dn )) {
1865 ch_free( pwcons[op->o_conn->c_conn_idx].dn.bv_val );
1866 BER_BVZERO( &pwcons[op->o_conn->c_conn_idx].dn );
1867 }
1868
1869 /* Root bypasses policy */
1870 if ( !be_isroot_dn( op->o_bd, &op->o_req_ndn )) {
1871 Entry *e;
1872 int rc;
1873 ppbind *ppb;
1874 slap_callback *cb;
1875
1876 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1877 rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
1878
1879 if ( rc != LDAP_SUCCESS ) {
1880 return SLAP_CB_CONTINUE;
1881 }
1882
1883 cb = op->o_tmpcalloc( sizeof(ppbind)+sizeof(slap_callback),
1884 1, op->o_tmpmemctx );
1885 ppb = (ppbind *)(cb+1);
1886 ppb->on = on;
1887 ppb->pErr = PP_noError;
1888 ppb->set_restrict = 1;
1889
1890 /* Setup a callback so we can munge the result */
1891
1892 cb->sc_response = ppolicy_bind_response;
1893 cb->sc_private = ppb;
1894 overlay_callback_after_backover( op, cb, 1 );
1895
1896 /* Did we receive a password policy request control? */
1897 if ( op->o_ctrlflag[ppolicy_cid] ) {
1898 ppb->send_ctrl = 1;
1899 }
1900
1901 op->o_bd->bd_info = (BackendInfo *)on;
1902
1903 if ( ppolicy_get( op, e, &ppb->pp ) == LDAP_SUCCESS ) {
1904 rc = account_locked( op, e, &ppb->pp, &ppb->mod );
1905 }
1906
1907 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1908 be_entry_release_r( op, e );
1909
1910 if ( rc ) {
1911 ppb->pErr = PP_accountLocked;
1912 send_ldap_error( op, rs, LDAP_INVALID_CREDENTIALS, NULL );
1913 return rs->sr_err;
1914 }
1915
1916 }
1917
1918 return SLAP_CB_CONTINUE;
1919 }
1920
1921 /* Reset the restricted info for the next session on this connection */
1922 static int
ppolicy_connection_destroy(BackendDB * bd,Connection * conn)1923 ppolicy_connection_destroy( BackendDB *bd, Connection *conn )
1924 {
1925 if ( pwcons && !BER_BVISEMPTY( &pwcons[conn->c_conn_idx].dn )) {
1926 ch_free( pwcons[conn->c_conn_idx].dn.bv_val );
1927 BER_BVZERO( &pwcons[conn->c_conn_idx].dn );
1928 }
1929 return SLAP_CB_CONTINUE;
1930 }
1931
1932 /* Check if this connection is restricted */
1933 static int
ppolicy_restrict(Operation * op,SlapReply * rs)1934 ppolicy_restrict(
1935 Operation *op,
1936 SlapReply *rs )
1937 {
1938 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1939 int send_ctrl = 0;
1940
1941 /* Did we receive a password policy request control? */
1942 if ( op->o_ctrlflag[ppolicy_cid] ) {
1943 send_ctrl = 1;
1944 }
1945
1946 if ( op->o_conn && !BER_BVISEMPTY( &pwcons[op->o_conn->c_conn_idx].dn )) {
1947 LDAPControl **oldctrls;
1948 /* if the current authcDN doesn't match the one we recorded,
1949 * then an intervening Bind has succeeded and the restriction
1950 * no longer applies. (ITS#4516)
1951 */
1952 if ( !dn_match( &op->o_conn->c_ndn,
1953 &pwcons[op->o_conn->c_conn_idx].dn )) {
1954 ch_free( pwcons[op->o_conn->c_conn_idx].dn.bv_val );
1955 BER_BVZERO( &pwcons[op->o_conn->c_conn_idx].dn );
1956 return SLAP_CB_CONTINUE;
1957 }
1958
1959 Debug( LDAP_DEBUG_TRACE,
1960 "connection restricted to password changing only\n" );
1961 if ( send_ctrl ) {
1962 LDAPControl *ctrl = NULL;
1963 ctrl = create_passcontrol( op, -1, -1, PP_changeAfterReset );
1964 oldctrls = add_passcontrol( op, rs, ctrl );
1965 }
1966 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1967 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
1968 "Operations are restricted to bind/unbind/abandon/StartTLS/modify password" );
1969 if ( send_ctrl ) {
1970 ctrls_cleanup( op, rs, oldctrls );
1971 }
1972 return rs->sr_err;
1973 }
1974
1975 return SLAP_CB_CONTINUE;
1976 }
1977
1978 static int
ppolicy_account_usability_entry_cb(Operation * op,SlapReply * rs)1979 ppolicy_account_usability_entry_cb( Operation *op, SlapReply *rs )
1980 {
1981 slap_overinst *on = op->o_callback->sc_private;
1982 BackendInfo *bi = op->o_bd->bd_info;
1983 LDAPControl *ctrl = NULL;
1984 PassPolicy pp;
1985 Attribute *a;
1986 Entry *e = NULL;
1987 time_t pwtime = 0, seconds_until_expiry = -1, now = op->o_time;
1988 int isExpired = 0, grace = -1;
1989
1990 if ( rs->sr_type != REP_SEARCH ) {
1991 return SLAP_CB_CONTINUE;
1992 }
1993
1994 if ( be_entry_get_rw( op, &rs->sr_entry->e_nname, NULL, NULL, 0, &e ) != LDAP_SUCCESS ) {
1995 goto done;
1996 }
1997
1998 op->o_bd->bd_info = (BackendInfo *)on;
1999
2000 if ( ppolicy_get( op, e, &pp ) != LDAP_SUCCESS ) {
2001 /* TODO: If there is no policy, should we check if */
2002 goto done;
2003 }
2004
2005 if ( !access_allowed( op, e, pp.ad, NULL, ACL_COMPARE, NULL ) ) {
2006 goto done;
2007 }
2008
2009 if ( attr_find( e->e_attrs, pp.ad ) == NULL ) {
2010 goto done;
2011 }
2012
2013 if ((a = attr_find( e->e_attrs, ad_pwdChangedTime )) != NULL) {
2014 pwtime = parse_time( a->a_nvals[0].bv_val );
2015 }
2016
2017 if ( pp.pwdMaxAge && pwtime ) {
2018 seconds_until_expiry = pwtime + pp.pwdMaxAge - now;
2019 if ( seconds_until_expiry <= 0 ) isExpired = 1;
2020 if ( pp.pwdGraceAuthNLimit ) {
2021 if ( !pp.pwdGraceExpiry || seconds_until_expiry + pp.pwdGraceExpiry > 0 ) {
2022 grace = pp.pwdGraceAuthNLimit;
2023 if ( attr_find( e->e_attrs, ad_pwdGraceUseTime ) ) {
2024 grace -= a->a_numvals;
2025 }
2026 }
2027 }
2028 }
2029 if ( !isExpired && pp.pwdMaxIdle && (a = attr_find( e->e_attrs, ad_pwdLastSuccess )) ) {
2030 time_t lastbindtime = pwtime;
2031
2032 if ( (a = attr_find( e->e_attrs, ad_pwdLastSuccess )) != NULL ) {
2033 lastbindtime = parse_time( a->a_nvals[0].bv_val );
2034 }
2035
2036 if ( lastbindtime ) {
2037 int remaining_idle = lastbindtime + pp.pwdMaxIdle - now;
2038 if ( remaining_idle <= 0 ) {
2039 isExpired = 1;
2040 } else if ( seconds_until_expiry == -1 || remaining_idle < seconds_until_expiry ) {
2041 seconds_until_expiry = remaining_idle;
2042 }
2043 }
2044 }
2045
2046 if ( isExpired || account_locked( op, e, &pp, NULL ) ) {
2047 LDAPAccountUsabilityMoreInfo more_info = { 0, 0, 0, -1, -1 };
2048 time_t then, lockoutEnd = 0;
2049
2050 if ( isExpired ) more_info.remaining_grace = grace;
2051
2052 if ( (a = attr_find( e->e_attrs, ad_pwdAccountLockedTime )) != NULL ) {
2053 then = parse_time( a->a_vals[0].bv_val );
2054 if ( then == 0 )
2055 lockoutEnd = -1;
2056
2057 /* Still in the future? not yet in effect */
2058 if ( now < then )
2059 then = 0;
2060
2061 if ( !pp.pwdLockoutDuration )
2062 lockoutEnd = -1;
2063
2064 if ( now < then + pp.pwdLockoutDuration )
2065 lockoutEnd = then + pp.pwdLockoutDuration;
2066 }
2067
2068 if ( (a = attr_find( e->e_attrs, ad_pwdAccountTmpLockoutEnd )) != NULL ) {
2069 then = parse_time( a->a_vals[0].bv_val );
2070 if ( lockoutEnd != -1 && then > lockoutEnd )
2071 lockoutEnd = then;
2072 }
2073
2074 if ( lockoutEnd > now ) {
2075 more_info.inactive = 1;
2076 more_info.seconds_before_unlock = lockoutEnd - now;
2077 }
2078
2079 if ( pp.pwdMustChange &&
2080 (a = attr_find( e->e_attrs, ad_pwdReset )) &&
2081 bvmatch( &a->a_nvals[0], &slap_true_bv ) )
2082 {
2083 more_info.reset = 1;
2084 }
2085
2086 add_account_control( op, rs, 0, -1, &more_info );
2087 } else {
2088 add_account_control( op, rs, 1, seconds_until_expiry, NULL );
2089 }
2090
2091 done:
2092 op->o_bd->bd_info = bi;
2093 if ( e ) {
2094 be_entry_release_r( op, e );
2095 }
2096 return SLAP_CB_CONTINUE;
2097 }
2098
2099 static int
ppolicy_search(Operation * op,SlapReply * rs)2100 ppolicy_search(
2101 Operation *op,
2102 SlapReply *rs )
2103 {
2104 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
2105 int rc = ppolicy_restrict( op, rs );
2106
2107 if ( rc != SLAP_CB_CONTINUE ) {
2108 return rc;
2109 }
2110
2111 if ( op->o_ctrlflag[account_usability_cid] ) {
2112 slap_callback *cb;
2113
2114 cb = op->o_tmpcalloc( sizeof(slap_callback), 1, op->o_tmpmemctx );
2115
2116 cb->sc_response = ppolicy_account_usability_entry_cb;
2117 cb->sc_private = on;
2118 overlay_callback_after_backover( op, cb, 1 );
2119 }
2120
2121 return SLAP_CB_CONTINUE;
2122 }
2123
2124 static int
ppolicy_compare_response(Operation * op,SlapReply * rs)2125 ppolicy_compare_response(
2126 Operation *op,
2127 SlapReply *rs )
2128 {
2129 /* map compare responses to bind responses */
2130 if ( rs->sr_err == LDAP_COMPARE_TRUE )
2131 rs->sr_err = LDAP_SUCCESS;
2132 else if ( rs->sr_err == LDAP_COMPARE_FALSE )
2133 rs->sr_err = LDAP_INVALID_CREDENTIALS;
2134
2135 ppolicy_bind_response( op, rs );
2136
2137 /* map back to compare */
2138 if ( rs->sr_err == LDAP_SUCCESS )
2139 rs->sr_err = LDAP_COMPARE_TRUE;
2140 else if ( rs->sr_err == LDAP_INVALID_CREDENTIALS )
2141 rs->sr_err = LDAP_COMPARE_FALSE;
2142
2143 return SLAP_CB_CONTINUE;
2144 }
2145
2146 static int
ppolicy_compare(Operation * op,SlapReply * rs)2147 ppolicy_compare(
2148 Operation *op,
2149 SlapReply *rs )
2150 {
2151 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
2152
2153 if ( ppolicy_restrict( op, rs ) != SLAP_CB_CONTINUE )
2154 return rs->sr_err;
2155
2156 /* Did we receive a password policy request control?
2157 * Are we testing the userPassword?
2158 */
2159 if ( op->o_ctrlflag[ppolicy_cid] &&
2160 op->orc_ava->aa_desc == slap_schema.si_ad_userPassword ) {
2161 Entry *e;
2162 int rc;
2163 ppbind *ppb;
2164 slap_callback *cb;
2165
2166 op->o_bd->bd_info = (BackendInfo *)on->on_info;
2167 rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
2168
2169 if ( rc != LDAP_SUCCESS ) {
2170 return SLAP_CB_CONTINUE;
2171 }
2172
2173 cb = op->o_tmpcalloc( sizeof(ppbind)+sizeof(slap_callback),
2174 1, op->o_tmpmemctx );
2175 ppb = (ppbind *)(cb+1);
2176 ppb->on = on;
2177 ppb->pErr = PP_noError;
2178 ppb->send_ctrl = 1;
2179 /* failures here don't lockout the connection */
2180 ppb->set_restrict = 0;
2181
2182 /* Setup a callback so we can munge the result */
2183
2184 cb->sc_response = ppolicy_compare_response;
2185 cb->sc_private = ppb;
2186 overlay_callback_after_backover( op, cb, 1 );
2187
2188 op->o_bd->bd_info = (BackendInfo *)on;
2189
2190 if ( ppolicy_get( op, e, &ppb->pp ) == LDAP_SUCCESS ) {
2191 rc = account_locked( op, e, &ppb->pp, &ppb->mod );
2192 }
2193
2194 op->o_bd->bd_info = (BackendInfo *)on->on_info;
2195 be_entry_release_r( op, e );
2196
2197 if ( rc ) {
2198 ppb->pErr = PP_accountLocked;
2199 send_ldap_error( op, rs, LDAP_COMPARE_FALSE, NULL );
2200 return rs->sr_err;
2201 }
2202 }
2203 return SLAP_CB_CONTINUE;
2204 }
2205
2206 static int
ppolicy_add(Operation * op,SlapReply * rs)2207 ppolicy_add(
2208 Operation *op,
2209 SlapReply *rs )
2210 {
2211 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
2212 pp_info *pi = on->on_bi.bi_private;
2213 PassPolicy pp;
2214 Attribute *pa;
2215 const char *txt;
2216
2217 if ( ppolicy_restrict( op, rs ) != SLAP_CB_CONTINUE )
2218 return rs->sr_err;
2219
2220 /* If this is a replica, assume the provider checked everything */
2221 if ( SLAPD_SYNC_IS_SYNCCONN( op->o_connid ) )
2222 return SLAP_CB_CONTINUE;
2223
2224 /* Check for password in entry */
2225 if ((pa = attr_find( op->oq_add.rs_e->e_attrs,
2226 slap_schema.si_ad_userPassword )))
2227 {
2228 assert( pa->a_vals != NULL );
2229 assert( !BER_BVISNULL( &pa->a_vals[ 0 ] ) );
2230
2231 if ( !BER_BVISNULL( &pa->a_vals[ 1 ] ) ) {
2232 send_ldap_error( op, rs, LDAP_CONSTRAINT_VIOLATION, "Password policy only allows one password value" );
2233 return rs->sr_err;
2234 }
2235
2236 ppolicy_get( op, op->ora_e, &pp );
2237
2238 /*
2239 * new entry contains a password - if we're not the root user
2240 * then we need to check that the password fits in with the
2241 * security policy for the new entry.
2242 */
2243
2244 if (pp.pwdCheckQuality > 0 && !be_isroot( op )) {
2245 struct berval *bv = &(pa->a_vals[0]);
2246 int rc, send_ctrl = 0;
2247 LDAPPasswordPolicyError pErr = PP_noError;
2248 char *txt;
2249
2250 /* Did we receive a password policy request control? */
2251 if ( op->o_ctrlflag[ppolicy_cid] ) {
2252 send_ctrl = 1;
2253 }
2254 rc = check_password_quality( bv, &pp, &pErr, op->ora_e, &txt );
2255 if (rc != LDAP_SUCCESS) {
2256 LDAPControl **oldctrls = NULL;
2257 op->o_bd->bd_info = (BackendInfo *)on->on_info;
2258 if ( send_ctrl ) {
2259 LDAPControl *ctrl = NULL;
2260 ctrl = create_passcontrol( op, -1, -1, pErr );
2261 oldctrls = add_passcontrol( op, rs, ctrl );
2262 }
2263 send_ldap_error( op, rs, rc, txt ? txt : "Password fails quality checking policy" );
2264 if ( txt ) {
2265 free( txt );
2266 }
2267 if ( send_ctrl ) {
2268 ctrls_cleanup( op, rs, oldctrls );
2269 }
2270 return rs->sr_err;
2271 }
2272 }
2273 /*
2274 * A controversial bit. We hash cleartext
2275 * passwords provided via add and modify operations
2276 * You're not really supposed to do this, since
2277 * the X.500 model says "store attributes" as they
2278 * get provided. By default, this is what we do
2279 *
2280 * But if the hash_passwords flag is set, we hash
2281 * any cleartext password attribute values via the
2282 * default password hashing scheme.
2283 */
2284 if ((pi->hash_passwords) &&
2285 (password_scheme( &(pa->a_vals[0]), NULL ) != LDAP_SUCCESS)) {
2286 struct berval hpw;
2287
2288 slap_passwd_hash( &(pa->a_vals[0]), &hpw, &txt );
2289 if (hpw.bv_val == NULL) {
2290 /*
2291 * hashing didn't work. Emit an error.
2292 */
2293 rs->sr_err = LDAP_OTHER;
2294 rs->sr_text = txt;
2295 send_ldap_error( op, rs, LDAP_OTHER, "Password hashing failed" );
2296 return rs->sr_err;
2297 }
2298
2299 memset( pa->a_vals[0].bv_val, 0, pa->a_vals[0].bv_len);
2300 ber_memfree( pa->a_vals[0].bv_val );
2301 pa->a_vals[0].bv_val = hpw.bv_val;
2302 pa->a_vals[0].bv_len = hpw.bv_len;
2303 }
2304
2305 /* If password aging is in effect, set the pwdChangedTime */
2306 if ( pp.pwdMaxAge || pp.pwdMinAge ) {
2307 struct berval timestamp;
2308 char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
2309 time_t now = slap_get_time();
2310
2311 timestamp.bv_val = timebuf;
2312 timestamp.bv_len = sizeof(timebuf);
2313 slap_timestamp( &now, ×tamp );
2314
2315 attr_merge_one( op->ora_e, ad_pwdChangedTime, ×tamp, ×tamp );
2316 }
2317 }
2318 return SLAP_CB_CONTINUE;
2319 }
2320
2321 static int
ppolicy_mod_cb(Operation * op,SlapReply * rs)2322 ppolicy_mod_cb( Operation *op, SlapReply *rs )
2323 {
2324 slap_callback *sc = op->o_callback;
2325 op->o_callback = sc->sc_next;
2326 if ( rs->sr_err == LDAP_SUCCESS ) {
2327 ch_free( pwcons[op->o_conn->c_conn_idx].dn.bv_val );
2328 BER_BVZERO( &pwcons[op->o_conn->c_conn_idx].dn );
2329 }
2330 op->o_tmpfree( sc, op->o_tmpmemctx );
2331 return SLAP_CB_CONTINUE;
2332 }
2333
2334 static int
ppolicy_text_cleanup(Operation * op,SlapReply * rs)2335 ppolicy_text_cleanup( Operation *op, SlapReply *rs )
2336 {
2337 slap_callback *sc = op->o_callback;
2338
2339 if ( rs->sr_text == sc->sc_private ) {
2340 rs->sr_text = NULL;
2341 }
2342 free( sc->sc_private );
2343
2344 op->o_callback = sc->sc_next;
2345 op->o_tmpfree( sc, op->o_tmpmemctx );
2346 return SLAP_CB_CONTINUE;
2347 }
2348
2349 static int
ppolicy_modify(Operation * op,SlapReply * rs)2350 ppolicy_modify( Operation *op, SlapReply *rs )
2351 {
2352 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
2353 pp_info *pi = on->on_bi.bi_private;
2354 int i, rc, mod_pw_only, pwmod = 0, pwmop = -1, deladd,
2355 hsize = 0, hskip;
2356 PassPolicy pp;
2357 Modifications *mods = NULL, *modtail = NULL,
2358 *ml, *delmod, *addmod;
2359 Attribute *pa, *ha, at;
2360 const char *txt;
2361 pw_hist *tl = NULL, *p;
2362 int zapReset, send_ctrl = 0, free_txt = 0;
2363 Entry *e;
2364 struct berval newpw = BER_BVNULL, oldpw = BER_BVNULL,
2365 *bv, cr[2];
2366 LDAPPasswordPolicyError pErr = PP_noError;
2367 LDAPControl *ctrl = NULL;
2368 LDAPControl **oldctrls = NULL;
2369 int is_pwdexop = 0, is_pwdadmin = 0;
2370 int got_del_grace = 0, got_del_lock = 0, got_pw = 0, got_del_fail = 0,
2371 got_del_success = 0;
2372 int got_changed = 0, got_history = 0;
2373 int have_policy = 0;
2374
2375 op->o_bd->bd_info = (BackendInfo *)on->on_info;
2376 rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
2377 op->o_bd->bd_info = (BackendInfo *)on;
2378
2379 if ( rc != LDAP_SUCCESS ) return SLAP_CB_CONTINUE;
2380 if ( pi->disable_write ) return SLAP_CB_CONTINUE;
2381
2382 /* If this is a replica, we may need to tweak some of the
2383 * provider's modifications. Otherwise, just pass it through.
2384 */
2385 if ( SLAPD_SYNC_IS_SYNCCONN( op->o_connid ) ) {
2386 Modifications **prev;
2387 Attribute *a_grace, *a_lock, *a_fail, *a_success;
2388
2389 a_grace = attr_find( e->e_attrs, ad_pwdGraceUseTime );
2390 a_lock = attr_find( e->e_attrs, ad_pwdAccountLockedTime );
2391 a_fail = attr_find( e->e_attrs, ad_pwdFailureTime );
2392 a_success = attr_find( e->e_attrs, ad_pwdLastSuccess );
2393
2394 for( prev = &op->orm_modlist, ml = *prev; ml; ml = *prev ) {
2395
2396 if ( ml->sml_desc == slap_schema.si_ad_userPassword )
2397 got_pw = 1;
2398
2399 /* If we're deleting an attr that didn't exist,
2400 * drop this delete op
2401 */
2402 if ( ml->sml_op == LDAP_MOD_DELETE ||
2403 ml->sml_op == SLAP_MOD_SOFTDEL ) {
2404 int drop = 0;
2405
2406 if ( ml->sml_desc == ad_pwdGraceUseTime ) {
2407 if ( !a_grace || got_del_grace ) {
2408 drop = ml->sml_op == LDAP_MOD_DELETE;
2409 } else {
2410 got_del_grace = 1;
2411 }
2412 } else
2413 if ( ml->sml_desc == ad_pwdAccountLockedTime ) {
2414 if ( !a_lock || got_del_lock ) {
2415 drop = ml->sml_op == LDAP_MOD_DELETE;
2416 } else {
2417 got_del_lock = 1;
2418 }
2419 } else
2420 if ( ml->sml_desc == ad_pwdFailureTime ) {
2421 if ( !a_fail || got_del_fail ) {
2422 drop = ml->sml_op == LDAP_MOD_DELETE;
2423 } else {
2424 got_del_fail = 1;
2425 }
2426 }
2427 if ( ml->sml_desc == ad_pwdLastSuccess ) {
2428 if ( !a_success || got_del_success ) {
2429 drop = ml->sml_op == LDAP_MOD_DELETE;
2430 } else {
2431 got_del_success = 1;
2432 }
2433 }
2434 if ( drop ) {
2435 *prev = ml->sml_next;
2436 ml->sml_next = NULL;
2437 slap_mods_free( ml, 1 );
2438 continue;
2439 }
2440 }
2441 prev = &ml->sml_next;
2442 }
2443
2444 /* If we're resetting the password, make sure grace, accountlock,
2445 * success, and failure also get removed.
2446 */
2447 if ( got_pw ) {
2448 if ( a_grace && !got_del_grace ) {
2449 ml = (Modifications *) ch_malloc( sizeof( Modifications ) );
2450 ml->sml_op = LDAP_MOD_DELETE;
2451 ml->sml_flags = SLAP_MOD_INTERNAL;
2452 ml->sml_type.bv_val = NULL;
2453 ml->sml_desc = ad_pwdGraceUseTime;
2454 ml->sml_numvals = 0;
2455 ml->sml_values = NULL;
2456 ml->sml_nvalues = NULL;
2457 ml->sml_next = NULL;
2458 *prev = ml;
2459 prev = &ml->sml_next;
2460 }
2461 if ( a_lock && !got_del_lock ) {
2462 ml = (Modifications *) ch_malloc( sizeof( Modifications ) );
2463 ml->sml_op = LDAP_MOD_DELETE;
2464 ml->sml_flags = SLAP_MOD_INTERNAL;
2465 ml->sml_type.bv_val = NULL;
2466 ml->sml_desc = ad_pwdAccountLockedTime;
2467 ml->sml_numvals = 0;
2468 ml->sml_values = NULL;
2469 ml->sml_nvalues = NULL;
2470 ml->sml_next = NULL;
2471 *prev = ml;
2472 }
2473 if ( a_fail && !got_del_fail ) {
2474 ml = (Modifications *) ch_malloc( sizeof( Modifications ) );
2475 ml->sml_op = LDAP_MOD_DELETE;
2476 ml->sml_flags = SLAP_MOD_INTERNAL;
2477 ml->sml_type.bv_val = NULL;
2478 ml->sml_desc = ad_pwdFailureTime;
2479 ml->sml_numvals = 0;
2480 ml->sml_values = NULL;
2481 ml->sml_nvalues = NULL;
2482 ml->sml_next = NULL;
2483 *prev = ml;
2484 }
2485 if ( a_success && !got_del_success ) {
2486 ml = (Modifications *) ch_malloc( sizeof( Modifications ) );
2487 ml->sml_op = LDAP_MOD_DELETE;
2488 ml->sml_flags = SLAP_MOD_INTERNAL;
2489 ml->sml_type.bv_val = NULL;
2490 ml->sml_desc = ad_pwdLastSuccess;
2491 ml->sml_numvals = 0;
2492 ml->sml_values = NULL;
2493 ml->sml_nvalues = NULL;
2494 ml->sml_next = NULL;
2495 *prev = ml;
2496 }
2497 }
2498 op->o_bd->bd_info = (BackendInfo *)on->on_info;
2499 be_entry_release_r( op, e );
2500 return SLAP_CB_CONTINUE;
2501 }
2502
2503 /* Did we receive a password policy request control? */
2504 if ( op->o_ctrlflag[ppolicy_cid] ) {
2505 send_ctrl = 1;
2506 }
2507
2508 /* See if this is a pwdModify exop. If so, we can
2509 * access the plaintext passwords from that request.
2510 */
2511 {
2512 slap_callback *sc;
2513
2514 for ( sc = op->o_callback; sc; sc=sc->sc_next ) {
2515 if ( sc->sc_response == slap_null_cb &&
2516 sc->sc_private ) {
2517 req_pwdexop_s *qpw = sc->sc_private;
2518 newpw = qpw->rs_new;
2519 oldpw = qpw->rs_old;
2520 is_pwdexop = 1;
2521 break;
2522 }
2523 }
2524 }
2525
2526 /* ppolicy_hash_cleartext depends on pwmod being determined first */
2527 if ( ppolicy_get( op, e, &pp ) == LDAP_SUCCESS ) {
2528 have_policy = 1;
2529 }
2530
2531 if ( access_allowed( op, e, pp.ad, NULL, ACL_MANAGE, NULL ) ) {
2532 is_pwdadmin = 1;
2533 }
2534
2535 for ( ml = op->orm_modlist,
2536 pwmod = 0, mod_pw_only = 1,
2537 deladd = 0, delmod = NULL,
2538 addmod = NULL,
2539 zapReset = 1;
2540 ml != NULL; modtail = ml, ml = ml->sml_next )
2541 {
2542 if ( ml->sml_desc == pp.ad ) {
2543 pwmod = 1;
2544 pwmop = ml->sml_op;
2545 if ((deladd == 0) && (ml->sml_op == LDAP_MOD_DELETE) &&
2546 (ml->sml_values) && !BER_BVISNULL( &ml->sml_values[0] ))
2547 {
2548 deladd = 1;
2549 delmod = ml;
2550 }
2551
2552 if ((ml->sml_op == LDAP_MOD_ADD) ||
2553 (ml->sml_op == LDAP_MOD_REPLACE))
2554 {
2555 if ( ml->sml_values && !BER_BVISNULL( &ml->sml_values[0] )) {
2556 if ( deladd == 1 )
2557 deladd = 2;
2558
2559 /* FIXME: there's no easy way to ensure
2560 * that add does not cause multiple
2561 * userPassword values; one way (that
2562 * would be consistent with the single
2563 * password constraint) would be to turn
2564 * add into replace); another would be
2565 * to disallow add.
2566 *
2567 * Let's check at least that a single value
2568 * is being added
2569 */
2570 if ( addmod || !BER_BVISNULL( &ml->sml_values[ 1 ] ) ) {
2571 rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
2572 rs->sr_text = "Password policy only allows one password value";
2573 goto return_results;
2574 }
2575
2576 addmod = ml;
2577 } else {
2578 /* replace can have no values, add cannot */
2579 assert( ml->sml_op == LDAP_MOD_REPLACE );
2580 }
2581 }
2582
2583 } else if ( !(ml->sml_flags & SLAP_MOD_INTERNAL) && !is_at_operational( ml->sml_desc->ad_type ) ) {
2584 mod_pw_only = 0;
2585 /* modifying something other than password */
2586 }
2587
2588 /*
2589 * If there is a request to explicitly add a pwdReset
2590 * attribute, then we suppress the normal behaviour on
2591 * password change, which is to remove the pwdReset
2592 * attribute.
2593 *
2594 * This enables an administrator to assign a new password
2595 * and place a "must reset" flag on the entry, which will
2596 * stay until the user explicitly changes his/her password.
2597 */
2598 if (ml->sml_desc == ad_pwdReset ) {
2599 if ((ml->sml_op == LDAP_MOD_ADD) ||
2600 (ml->sml_op == LDAP_MOD_REPLACE))
2601 zapReset = 0;
2602 }
2603 if ( ml->sml_op == LDAP_MOD_DELETE ) {
2604 if ( ml->sml_desc == ad_pwdGraceUseTime ) {
2605 got_del_grace = 1;
2606 } else if ( ml->sml_desc == ad_pwdAccountLockedTime ) {
2607 got_del_lock = 1;
2608 } else if ( ml->sml_desc == ad_pwdFailureTime ) {
2609 got_del_fail = 1;
2610 } else if ( ml->sml_desc == ad_pwdLastSuccess ) {
2611 got_del_success = 1;
2612 }
2613 }
2614 if ( ml->sml_desc == ad_pwdChangedTime ) {
2615 got_changed = 1;
2616 } else if (ml->sml_desc == ad_pwdHistory ) {
2617 got_history = 1;
2618 }
2619 }
2620
2621 if (!BER_BVISEMPTY( &pwcons[op->o_conn->c_conn_idx].dn ) && !mod_pw_only ) {
2622 if ( dn_match( &op->o_conn->c_ndn,
2623 &pwcons[op->o_conn->c_conn_idx].dn )) {
2624 Debug( LDAP_DEBUG_TRACE,
2625 "connection restricted to password changing only\n" );
2626 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
2627 rs->sr_text = "Operations are restricted to bind/unbind/abandon/StartTLS/modify password";
2628 pErr = PP_changeAfterReset;
2629 goto return_results;
2630 } else {
2631 ch_free( pwcons[op->o_conn->c_conn_idx].dn.bv_val );
2632 BER_BVZERO( &pwcons[op->o_conn->c_conn_idx].dn );
2633 }
2634 }
2635
2636 /*
2637 * if we have a "safe password modify policy", then we need to check if we're doing
2638 * a delete (with the old password), followed by an add (with the new password).
2639 *
2640 * If we got just a delete with nothing else, just let it go. We also skip all the checks if
2641 * the root user is bound. Root can do anything, including avoid the policies.
2642 */
2643
2644 if (!have_policy || !pwmod) goto do_modify;
2645
2646 /*
2647 * Build the password history list in ascending time order
2648 * We need this, even if the user is root, in order to maintain
2649 * the pwdHistory operational attributes properly.
2650 */
2651 if (addmod && pp.pwdInHistory > 0 && (ha = attr_find( e->e_attrs, ad_pwdHistory ))) {
2652 struct berval oldpw;
2653 time_t oldtime;
2654
2655 for(i=0; ha->a_nvals[i].bv_val; i++) {
2656 rc = parse_pwdhistory( &(ha->a_nvals[i]), NULL,
2657 &oldtime, &oldpw );
2658
2659 if (rc != LDAP_SUCCESS) continue; /* invalid history entry */
2660
2661 if (oldpw.bv_val) {
2662 add_to_pwd_history( &tl, oldtime, &oldpw,
2663 &(ha->a_nvals[i]) );
2664 oldpw.bv_val = NULL;
2665 oldpw.bv_len = 0;
2666 }
2667 }
2668 for(p=tl; p; p=p->next, hsize++); /* count history size */
2669 }
2670
2671 if (is_pwdadmin) goto do_modify;
2672
2673 /* NOTE: according to draft-behera-ldap-password-policy
2674 * pwdAllowUserChange == FALSE must only prevent pwd changes
2675 * by the user the pwd belongs to (ITS#7021) */
2676 if (!pp.pwdAllowUserChange && dn_match(&op->o_req_ndn, &op->o_ndn)) {
2677 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
2678 rs->sr_text = "User alteration of password is not allowed";
2679 pErr = PP_passwordModNotAllowed;
2680 goto return_results;
2681 }
2682
2683 /* Just deleting? */
2684 if (!addmod) {
2685 /* skip everything else */
2686 pwmod = 0;
2687 goto do_modify;
2688 }
2689
2690 /* This is a pwdModify exop that provided the old pw.
2691 * We need to create a Delete mod for this old pw and
2692 * let the matching value get found later
2693 */
2694 if (pp.pwdSafeModify && oldpw.bv_val ) {
2695 ml = (Modifications *)ch_calloc( sizeof( Modifications ), 1 );
2696 ml->sml_op = LDAP_MOD_DELETE;
2697 ml->sml_flags = SLAP_MOD_INTERNAL;
2698 ml->sml_desc = pp.ad;
2699 ml->sml_type = pp.ad->ad_cname;
2700 ml->sml_numvals = 1;
2701 ml->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
2702 ber_dupbv( &ml->sml_values[0], &oldpw );
2703 BER_BVZERO( &ml->sml_values[1] );
2704 ml->sml_next = op->orm_modlist;
2705 op->orm_modlist = ml;
2706 delmod = ml;
2707 deladd = 2;
2708 }
2709
2710 if (pp.pwdSafeModify && deladd != 2) {
2711 Debug( LDAP_DEBUG_TRACE,
2712 "change password must use DELETE followed by ADD/REPLACE\n" );
2713 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
2714 rs->sr_text = "Must supply old password to be changed as well as new one";
2715 pErr = PP_mustSupplyOldPassword;
2716 goto return_results;
2717 }
2718
2719 /* Check age, but only if pwdReset is not TRUE */
2720 pa = attr_find( e->e_attrs, ad_pwdReset );
2721 if ((!pa || !bvmatch( &pa->a_nvals[0], &slap_true_bv )) &&
2722 pp.pwdMinAge > 0) {
2723 time_t pwtime = (time_t)-1, now;
2724 int age;
2725
2726 if ((pa = attr_find( e->e_attrs, ad_pwdChangedTime )) != NULL)
2727 pwtime = parse_time( pa->a_nvals[0].bv_val );
2728 now = slap_get_time();
2729 age = (int)(now - pwtime);
2730 if ((pwtime != (time_t)-1) && (age < pp.pwdMinAge)) {
2731 rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
2732 rs->sr_text = "Password is too young to change";
2733 pErr = PP_passwordTooYoung;
2734 goto return_results;
2735 }
2736 }
2737
2738 /* pa is used in password history check below, be sure it's set */
2739 if ((pa = attr_find( e->e_attrs, pp.ad )) != NULL && delmod) {
2740 /*
2741 * we have a password to check
2742 */
2743 bv = oldpw.bv_val ? &oldpw : delmod->sml_values;
2744 /* FIXME: no access checking? */
2745 rc = slap_passwd_check( op, NULL, pa, bv, &txt );
2746 if (rc != LDAP_SUCCESS) {
2747 Debug( LDAP_DEBUG_TRACE,
2748 "old password check failed: %s\n", txt );
2749
2750 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
2751 rs->sr_text = "Must supply correct old password to change to new one";
2752 pErr = PP_mustSupplyOldPassword;
2753 goto return_results;
2754
2755 } else {
2756 int i;
2757
2758 /*
2759 * replace the delete value with the (possibly hashed)
2760 * value which is currently in the password.
2761 */
2762 for ( i = 0; !BER_BVISNULL( &delmod->sml_values[i] ); i++ ) {
2763 free( delmod->sml_values[i].bv_val );
2764 BER_BVZERO( &delmod->sml_values[i] );
2765 }
2766 free( delmod->sml_values );
2767 delmod->sml_values = ch_calloc( sizeof(struct berval), 2 );
2768 BER_BVZERO( &delmod->sml_values[1] );
2769 ber_dupbv( &(delmod->sml_values[0]), &(pa->a_nvals[0]) );
2770 }
2771 }
2772
2773 bv = newpw.bv_val ? &newpw : &addmod->sml_values[0];
2774 if (pp.pwdCheckQuality > 0) {
2775
2776 rc = check_password_quality( bv, &pp, &pErr, e, (char **)&txt );
2777 if (rc != LDAP_SUCCESS) {
2778 rs->sr_err = rc;
2779 if ( txt ) {
2780 rs->sr_text = txt;
2781 free_txt = 1;
2782 } else {
2783 rs->sr_text = "Password fails quality checking policy";
2784 }
2785 goto return_results;
2786 }
2787 }
2788
2789 /* If pwdInHistory is zero, passwords may be reused */
2790 if (pa && pp.pwdInHistory > 0) {
2791 /*
2792 * Last check - the password history.
2793 */
2794 /* FIXME: no access checking? */
2795 if (slap_passwd_check( op, NULL, pa, bv, &txt ) == LDAP_SUCCESS) {
2796 /*
2797 * This is bad - it means that the user is attempting
2798 * to set the password to the same as the old one.
2799 */
2800 rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
2801 rs->sr_text = "Password is not being changed from existing value";
2802 pErr = PP_passwordInHistory;
2803 goto return_results;
2804 }
2805
2806 /* We need this when reduce pwdInHistory */
2807 hskip = hsize - pp.pwdInHistory;
2808
2809 /*
2810 * Iterate through the password history, and fail on any
2811 * password matches.
2812 */
2813 at = *pa;
2814 at.a_vals = cr;
2815 cr[1].bv_val = NULL;
2816 for(p=tl; p; p=p->next) {
2817 if(hskip > 0){
2818 hskip--;
2819 continue;
2820 }
2821 cr[0] = p->pw;
2822 /* FIXME: no access checking? */
2823 rc = slap_passwd_check( op, NULL, &at, bv, &txt );
2824
2825 if (rc != LDAP_SUCCESS) continue;
2826
2827 rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
2828 rs->sr_text = "Password is in history of old passwords";
2829 pErr = PP_passwordInHistory;
2830 goto return_results;
2831 }
2832 }
2833
2834 do_modify:
2835 if (pwmod) {
2836 struct berval timestamp;
2837 char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
2838 time_t now = slap_get_time();
2839
2840 /* If the conn is restricted, set a callback to clear it
2841 * if the pwmod succeeds
2842 */
2843 if (!BER_BVISEMPTY( &pwcons[op->o_conn->c_conn_idx].dn )) {
2844 slap_callback *sc = op->o_tmpcalloc( 1, sizeof( slap_callback ),
2845 op->o_tmpmemctx );
2846 sc->sc_next = op->o_callback;
2847 /* Must use sc_response to insure we reset on success, before
2848 * the client sees the response. Must use sc_cleanup to insure
2849 * that it gets cleaned up if sc_response is not called.
2850 */
2851 sc->sc_response = ppolicy_mod_cb;
2852 sc->sc_cleanup = ppolicy_mod_cb;
2853 op->o_callback = sc;
2854 }
2855
2856 /*
2857 * keep the necessary pwd.. operational attributes
2858 * up to date.
2859 */
2860
2861 if (!got_changed) {
2862 timestamp.bv_val = timebuf;
2863 timestamp.bv_len = sizeof(timebuf);
2864 slap_timestamp( &now, ×tamp );
2865
2866 mods = NULL;
2867 if (pwmop != LDAP_MOD_DELETE) {
2868 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2869 mods->sml_op = LDAP_MOD_REPLACE;
2870 mods->sml_numvals = 1;
2871 mods->sml_values = (BerVarray) ch_calloc( sizeof( struct berval ), 2 );
2872 mods->sml_nvalues = (BerVarray) ch_calloc( sizeof( struct berval ), 2 );
2873
2874 ber_dupbv( &mods->sml_values[0], ×tamp );
2875 ber_dupbv( &mods->sml_nvalues[0], ×tamp );
2876 } else if (attr_find(e->e_attrs, ad_pwdChangedTime )) {
2877 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2878 mods->sml_op = LDAP_MOD_DELETE;
2879 }
2880 if (mods) {
2881 mods->sml_desc = ad_pwdChangedTime;
2882 mods->sml_flags = SLAP_MOD_INTERNAL;
2883 mods->sml_next = NULL;
2884 modtail->sml_next = mods;
2885 modtail = mods;
2886 }
2887 }
2888
2889 if (!got_del_grace && attr_find(e->e_attrs, ad_pwdGraceUseTime )) {
2890 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2891 mods->sml_op = LDAP_MOD_DELETE;
2892 mods->sml_desc = ad_pwdGraceUseTime;
2893 mods->sml_flags = SLAP_MOD_INTERNAL;
2894 mods->sml_next = NULL;
2895 modtail->sml_next = mods;
2896 modtail = mods;
2897 }
2898
2899 if (!got_del_lock && attr_find(e->e_attrs, ad_pwdAccountLockedTime )) {
2900 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2901 mods->sml_op = LDAP_MOD_DELETE;
2902 mods->sml_desc = ad_pwdAccountLockedTime;
2903 mods->sml_flags = SLAP_MOD_INTERNAL;
2904 mods->sml_next = NULL;
2905 modtail->sml_next = mods;
2906 modtail = mods;
2907 }
2908
2909 if (!got_del_fail && attr_find(e->e_attrs, ad_pwdFailureTime )) {
2910 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2911 mods->sml_op = LDAP_MOD_DELETE;
2912 mods->sml_desc = ad_pwdFailureTime;
2913 mods->sml_flags = SLAP_MOD_INTERNAL;
2914 mods->sml_next = NULL;
2915 modtail->sml_next = mods;
2916 modtail = mods;
2917 }
2918
2919 if ( zapReset ) {
2920 /*
2921 * ITS#7084 Is this a modification by the password
2922 * administrator? Then force a reset if configured.
2923 * Otherwise clear it.
2924 */
2925 if ( pp.pwdMustChange && is_pwdadmin ) {
2926 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2927 mods->sml_op = LDAP_MOD_REPLACE;
2928 mods->sml_desc = ad_pwdReset;
2929 mods->sml_flags = SLAP_MOD_INTERNAL;
2930 mods->sml_numvals = 1;
2931 mods->sml_values = (BerVarray) ch_calloc( sizeof( struct berval ), 2 );
2932 mods->sml_nvalues = (BerVarray) ch_calloc( sizeof( struct berval ), 2 );
2933
2934 ber_dupbv( &mods->sml_values[0], (struct berval *)&slap_true_bv );
2935 ber_dupbv( &mods->sml_nvalues[0], (struct berval *)&slap_true_bv );
2936
2937 mods->sml_next = NULL;
2938 modtail->sml_next = mods;
2939 modtail = mods;
2940 } else if ( attr_find( e->e_attrs, ad_pwdReset ) ) {
2941 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2942 mods->sml_op = LDAP_MOD_DELETE;
2943 mods->sml_desc = ad_pwdReset;
2944 mods->sml_flags = SLAP_MOD_INTERNAL;
2945 mods->sml_next = NULL;
2946 modtail->sml_next = mods;
2947 modtail = mods;
2948 }
2949 }
2950
2951 /* TODO: do we remove pwdLastSuccess or set it to 'now'? */
2952 if (!got_del_success && attr_find(e->e_attrs, ad_pwdLastSuccess )){
2953 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2954 mods->sml_op = LDAP_MOD_DELETE;
2955 mods->sml_flags = SLAP_MOD_INTERNAL;
2956 mods->sml_desc = ad_pwdLastSuccess;
2957 mods->sml_next = NULL;
2958 modtail->sml_next = mods;
2959 modtail = mods;
2960 }
2961
2962 /* Delete all pwdInHistory attribute */
2963 if (!got_history && pp.pwdInHistory == 0 &&
2964 attr_find(e->e_attrs, ad_pwdHistory )){
2965 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2966 mods->sml_op = LDAP_MOD_DELETE;
2967 mods->sml_flags = SLAP_MOD_INTERNAL;
2968 mods->sml_desc = ad_pwdHistory;
2969 mods->sml_next = NULL;
2970 modtail->sml_next = mods;
2971 modtail = mods;
2972 }
2973
2974 if (!got_history && pp.pwdInHistory > 0){
2975 if (hsize >= pp.pwdInHistory) {
2976 /*
2977 * We use the >= operator, since we are going to add
2978 * the existing password attribute value into the
2979 * history - thus the cardinality of history values is
2980 * about to rise by one.
2981 *
2982 * If this would push it over the limit of history
2983 * values (remembering - the password policy could have
2984 * changed since the password was last altered), we must
2985 * delete at least 1 value from the pwdHistory list.
2986 *
2987 * In fact, we delete '(#pwdHistory attrs - max pwd
2988 * history length) + 1' values, starting with the oldest.
2989 * This is easily evaluated, since the linked list is
2990 * created in ascending time order.
2991 */
2992 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2993 mods->sml_op = LDAP_MOD_DELETE;
2994 mods->sml_flags = SLAP_MOD_INTERNAL;
2995 mods->sml_desc = ad_pwdHistory;
2996 mods->sml_numvals = hsize - pp.pwdInHistory + 1;
2997 mods->sml_values = ch_calloc( sizeof( struct berval ),
2998 hsize - pp.pwdInHistory + 2 );
2999 BER_BVZERO( &mods->sml_values[ hsize - pp.pwdInHistory + 1 ] );
3000 for(i=0,p=tl; i < (hsize - pp.pwdInHistory + 1); i++, p=p->next) {
3001 BER_BVZERO( &mods->sml_values[i] );
3002 ber_dupbv( &(mods->sml_values[i]), &p->bv );
3003 }
3004 mods->sml_next = NULL;
3005 modtail->sml_next = mods;
3006 modtail = mods;
3007 }
3008 free_pwd_history_list( &tl );
3009
3010 /*
3011 * Now add the existing password into the history list.
3012 * This will be executed even if the operation is to delete
3013 * the password entirely.
3014 *
3015 * This isn't in the spec explicitly, but it seems to make
3016 * sense that the password history list is the list of all
3017 * previous passwords - even if they were deleted. Thus, if
3018 * someone tries to add a historical password at some future
3019 * point, it will fail.
3020 */
3021 if ((pa = attr_find( e->e_attrs, pp.ad )) != NULL) {
3022 mods = (Modifications *) ch_malloc( sizeof( Modifications ) );
3023 mods->sml_op = LDAP_MOD_ADD;
3024 mods->sml_flags = SLAP_MOD_INTERNAL;
3025 mods->sml_type.bv_val = NULL;
3026 mods->sml_desc = ad_pwdHistory;
3027 mods->sml_nvalues = NULL;
3028 mods->sml_numvals = 1;
3029 mods->sml_values = ch_calloc( sizeof( struct berval ), 2 );
3030 mods->sml_values[ 1 ].bv_val = NULL;
3031 mods->sml_values[ 1 ].bv_len = 0;
3032 make_pwd_history_value( timebuf, &mods->sml_values[0], pa );
3033 mods->sml_next = NULL;
3034 modtail->sml_next = mods;
3035 modtail = mods;
3036
3037 } else {
3038 Debug( LDAP_DEBUG_TRACE,
3039 "ppolicy_modify: password attr lookup failed\n" );
3040 }
3041 }
3042
3043 /*
3044 * Controversial bit here. If the new password isn't hashed
3045 * (ie, is cleartext), we probably should hash it according
3046 * to the default hash. The reason for this is that we want
3047 * to use the policy if possible, but if we hash the password
3048 * before, then we're going to run into trouble when it
3049 * comes time to check the password.
3050 *
3051 * Now, the right thing to do is to use the extended password
3052 * modify operation, but not all software can do this,
3053 * therefore it makes sense to hash the new password, now
3054 * we know it passes the policy requirements.
3055 *
3056 * Of course, if the password is already hashed, then we
3057 * leave it alone.
3058 */
3059
3060 if ((pi->hash_passwords) && (addmod) && !newpw.bv_val &&
3061 (password_scheme( &(addmod->sml_values[0]), NULL ) != LDAP_SUCCESS))
3062 {
3063 struct berval hpw, bv;
3064
3065 slap_passwd_hash( &(addmod->sml_values[0]), &hpw, &txt );
3066 if (hpw.bv_val == NULL) {
3067 /*
3068 * hashing didn't work. Emit an error.
3069 */
3070 rs->sr_err = LDAP_OTHER;
3071 rs->sr_text = txt;
3072 goto return_results;
3073 }
3074 bv = addmod->sml_values[0];
3075 /* clear and discard the clear password */
3076 memset(bv.bv_val, 0, bv.bv_len);
3077 ber_memfree(bv.bv_val);
3078 addmod->sml_values[0] = hpw;
3079 }
3080 } else {
3081 /* ITS#8762 Make sure we drop pwdFailureTime if unlocking */
3082 if (got_del_lock && !got_del_fail && attr_find(e->e_attrs, ad_pwdFailureTime )) {
3083 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
3084 mods->sml_op = LDAP_MOD_DELETE;
3085 mods->sml_desc = ad_pwdFailureTime;
3086 mods->sml_flags = SLAP_MOD_INTERNAL;
3087 mods->sml_next = NULL;
3088 modtail->sml_next = mods;
3089 modtail = mods;
3090 }
3091 }
3092 op->o_bd->bd_info = (BackendInfo *)on->on_info;
3093 be_entry_release_r( op, e );
3094 return SLAP_CB_CONTINUE;
3095
3096 return_results:
3097 free_pwd_history_list( &tl );
3098 op->o_bd->bd_info = (BackendInfo *)on->on_info;
3099 be_entry_release_r( op, e );
3100 if ( send_ctrl ) {
3101 ctrl = create_passcontrol( op, -1, -1, pErr );
3102 oldctrls = add_passcontrol( op, rs, ctrl );
3103 }
3104 send_ldap_result( op, rs );
3105 if ( free_txt ) {
3106 if ( is_pwdexop ) {
3107 slap_callback *cb;
3108 cb = op->o_tmpcalloc( sizeof(ppbind)+sizeof(slap_callback),
3109 1, op->o_tmpmemctx );
3110
3111 /* Setup a callback so we can free the text when sent */
3112 cb->sc_cleanup = ppolicy_text_cleanup;
3113 cb->sc_private = (void *)txt;
3114 overlay_callback_after_backover( op, cb, 1 );
3115 } else {
3116 if ( rs->sr_text == txt ) {
3117 rs->sr_text = NULL;
3118 }
3119 free( (char *)txt );
3120 }
3121 }
3122 if ( send_ctrl ) {
3123 if ( is_pwdexop ) {
3124 if ( rs->sr_flags & REP_CTRLS_MUSTBEFREED ) {
3125 op->o_tmpfree( oldctrls, op->o_tmpmemctx );
3126 }
3127 oldctrls = NULL;
3128 rs->sr_flags |= REP_CTRLS_MUSTBEFREED;
3129
3130 } else {
3131 ctrls_cleanup( op, rs, oldctrls );
3132 }
3133 }
3134 return rs->sr_err;
3135 }
3136
3137 static int
ppolicy_parseCtrl(Operation * op,SlapReply * rs,LDAPControl * ctrl)3138 ppolicy_parseCtrl(
3139 Operation *op,
3140 SlapReply *rs,
3141 LDAPControl *ctrl )
3142 {
3143 if ( !BER_BVISNULL( &ctrl->ldctl_value ) ) {
3144 rs->sr_text = "passwordPolicyRequest control value not absent";
3145 return LDAP_PROTOCOL_ERROR;
3146 }
3147 op->o_ctrlflag[ppolicy_cid] = ctrl->ldctl_iscritical
3148 ? SLAP_CONTROL_CRITICAL
3149 : SLAP_CONTROL_NONCRITICAL;
3150
3151 return LDAP_SUCCESS;
3152 }
3153
3154 static int
ppolicy_au_parseCtrl(Operation * op,SlapReply * rs,LDAPControl * ctrl)3155 ppolicy_au_parseCtrl(
3156 Operation *op,
3157 SlapReply *rs,
3158 LDAPControl *ctrl )
3159 {
3160 if ( !BER_BVISNULL( &ctrl->ldctl_value ) ) {
3161 rs->sr_text = "account usability control value not absent";
3162 return LDAP_PROTOCOL_ERROR;
3163 }
3164 op->o_ctrlflag[account_usability_cid] = ctrl->ldctl_iscritical
3165 ? SLAP_CONTROL_CRITICAL
3166 : SLAP_CONTROL_NONCRITICAL;
3167
3168 return LDAP_SUCCESS;
3169 }
3170
3171 static int
attrPretty(Syntax * syntax,struct berval * val,struct berval * out,void * ctx)3172 attrPretty(
3173 Syntax *syntax,
3174 struct berval *val,
3175 struct berval *out,
3176 void *ctx )
3177 {
3178 AttributeDescription *ad = NULL;
3179 const char *err;
3180 int code;
3181
3182 code = slap_bv2ad( val, &ad, &err );
3183 if ( !code ) {
3184 ber_dupbv_x( out, &ad->ad_type->sat_cname, ctx );
3185 }
3186 return code;
3187 }
3188
3189 static int
attrNormalize(slap_mask_t use,Syntax * syntax,MatchingRule * mr,struct berval * val,struct berval * out,void * ctx)3190 attrNormalize(
3191 slap_mask_t use,
3192 Syntax *syntax,
3193 MatchingRule *mr,
3194 struct berval *val,
3195 struct berval *out,
3196 void *ctx )
3197 {
3198 AttributeDescription *ad = NULL;
3199 const char *err;
3200 int code;
3201
3202 code = slap_bv2ad( val, &ad, &err );
3203 if ( !code ) {
3204 ber_str2bv_x( ad->ad_type->sat_oid, 0, 1, out, ctx );
3205 }
3206 return code;
3207 }
3208
3209 static int
ppolicy_db_init(BackendDB * be,ConfigReply * cr)3210 ppolicy_db_init(
3211 BackendDB *be,
3212 ConfigReply *cr
3213 )
3214 {
3215 slap_overinst *on = (slap_overinst *) be->bd_info;
3216 pp_info *pi;
3217
3218 if ( SLAP_ISGLOBALOVERLAY( be ) ) {
3219 /* do not allow slapo-ppolicy to be global by now (ITS#5858) */
3220 if ( cr ){
3221 snprintf( cr->msg, sizeof(cr->msg),
3222 "slapo-ppolicy cannot be global" );
3223 Debug( LDAP_DEBUG_ANY, "%s\n", cr->msg );
3224 }
3225 return 1;
3226 }
3227
3228 pi = on->on_bi.bi_private = ch_calloc( sizeof(pp_info), 1 );
3229
3230 if ( !pwcons ) {
3231 /* accommodate for c_conn_idx == -1 */
3232 pwcons = ch_calloc( sizeof(pw_conn), dtblsize + 1 );
3233 pwcons++;
3234 }
3235
3236 ov_count++;
3237
3238 ldap_pvt_thread_mutex_init( &pi->pwdFailureTime_mutex );
3239
3240 return 0;
3241 }
3242
3243 static int
ppolicy_db_open(BackendDB * be,ConfigReply * cr)3244 ppolicy_db_open(
3245 BackendDB *be,
3246 ConfigReply *cr
3247 )
3248 {
3249 int rc;
3250
3251 if ( (rc = overlay_register_control( be, LDAP_CONTROL_X_ACCOUNT_USABILITY )) != LDAP_SUCCESS ) {
3252 return rc;
3253 }
3254 return overlay_register_control( be, LDAP_CONTROL_PASSWORDPOLICYREQUEST );
3255 }
3256
3257 static int
ppolicy_db_close(BackendDB * be,ConfigReply * cr)3258 ppolicy_db_close(
3259 BackendDB *be,
3260 ConfigReply *cr
3261 )
3262 {
3263 #ifdef SLAP_CONFIG_DELETE
3264 overlay_unregister_control( be, LDAP_CONTROL_PASSWORDPOLICYREQUEST );
3265 overlay_unregister_control( be, LDAP_CONTROL_X_ACCOUNT_USABILITY );
3266 #endif /* SLAP_CONFIG_DELETE */
3267
3268 return 0;
3269 }
3270
3271 static int
ppolicy_db_destroy(BackendDB * be,ConfigReply * cr)3272 ppolicy_db_destroy(
3273 BackendDB *be,
3274 ConfigReply *cr
3275 )
3276 {
3277 slap_overinst *on = (slap_overinst *) be->bd_info;
3278 pp_info *pi = on->on_bi.bi_private;
3279
3280 on->on_bi.bi_private = NULL;
3281 ldap_pvt_thread_mutex_destroy( &pi->pwdFailureTime_mutex );
3282 free( pi->def_policy.bv_val );
3283 free( pi );
3284
3285 ov_count--;
3286 if ( ov_count <=0 && pwcons ) {
3287 pw_conn *pwc = pwcons;
3288 pwcons = NULL;
3289 pwc--;
3290 ch_free( pwc );
3291 }
3292 return 0;
3293 }
3294
3295 static char *extops[] = {
3296 LDAP_EXOP_MODIFY_PASSWD,
3297 NULL
3298 };
3299
3300 static slap_overinst ppolicy;
3301
ppolicy_initialize()3302 int ppolicy_initialize()
3303 {
3304 int i, code;
3305
3306 for (i=0; pwd_OpSchema[i].def; i++) {
3307 code = register_at( pwd_OpSchema[i].def, pwd_OpSchema[i].ad, 0 );
3308 if ( code ) {
3309 Debug( LDAP_DEBUG_ANY,
3310 "ppolicy_initialize: register_at failed\n" );
3311 return code;
3312 }
3313 /* Allow Manager to set these as needed */
3314 if ( is_at_no_user_mod( (*pwd_OpSchema[i].ad)->ad_type )) {
3315 (*pwd_OpSchema[i].ad)->ad_type->sat_flags |=
3316 SLAP_AT_MANAGEABLE;
3317 }
3318 }
3319 ad_pwdLastSuccess = slap_schema.si_ad_pwdLastSuccess;
3320 {
3321 Syntax *syn;
3322 MatchingRule *mr;
3323
3324 syn = ch_malloc( sizeof( Syntax ));
3325 *syn = *ad_pwdAttribute->ad_type->sat_syntax;
3326 syn->ssyn_pretty = attrPretty;
3327 ad_pwdAttribute->ad_type->sat_syntax = syn;
3328
3329 mr = ch_malloc( sizeof( MatchingRule ));
3330 *mr = *ad_pwdAttribute->ad_type->sat_equality;
3331 mr->smr_normalize = attrNormalize;
3332 ad_pwdAttribute->ad_type->sat_equality = mr;
3333 }
3334
3335 for (i=0; pwd_ocs[i]; i++) {
3336 code = register_oc( pwd_ocs[i], NULL, 0 );
3337 if ( code ) {
3338 Debug( LDAP_DEBUG_ANY, "ppolicy_initialize: "
3339 "register_oc failed\n" );
3340 return code;
3341 }
3342 }
3343
3344 code = register_supported_control( LDAP_CONTROL_PASSWORDPOLICYREQUEST,
3345 SLAP_CTRL_ADD|SLAP_CTRL_BIND|SLAP_CTRL_MODIFY, extops,
3346 ppolicy_parseCtrl, &ppolicy_cid );
3347 if ( code != LDAP_SUCCESS ) {
3348 Debug( LDAP_DEBUG_ANY, "Failed to register control %d\n", code );
3349 return code;
3350 }
3351
3352 code = register_supported_control( LDAP_CONTROL_X_ACCOUNT_USABILITY,
3353 SLAP_CTRL_SEARCH, NULL,
3354 ppolicy_au_parseCtrl, &account_usability_cid );
3355 if ( code != LDAP_SUCCESS ) {
3356 Debug( LDAP_DEBUG_ANY, "Failed to register control %d\n", code );
3357 return code;
3358 }
3359
3360 /* We don't expect to receive these controls, only send them */
3361 code = register_supported_control( LDAP_CONTROL_X_PASSWORD_EXPIRED,
3362 0, NULL, NULL, NULL );
3363 if ( code != LDAP_SUCCESS ) {
3364 Debug( LDAP_DEBUG_ANY, "Failed to register control %d\n", code );
3365 return code;
3366 }
3367
3368 code = register_supported_control( LDAP_CONTROL_X_PASSWORD_EXPIRING,
3369 0, NULL, NULL, NULL );
3370 if ( code != LDAP_SUCCESS ) {
3371 Debug( LDAP_DEBUG_ANY, "Failed to register control %d\n", code );
3372 return code;
3373 }
3374
3375 ldap_pvt_thread_mutex_init( &chk_syntax_mutex );
3376
3377 ppolicy.on_bi.bi_type = "ppolicy";
3378 ppolicy.on_bi.bi_flags = SLAPO_BFLAG_SINGLE;
3379 ppolicy.on_bi.bi_db_init = ppolicy_db_init;
3380 ppolicy.on_bi.bi_db_open = ppolicy_db_open;
3381 ppolicy.on_bi.bi_db_close = ppolicy_db_close;
3382 ppolicy.on_bi.bi_db_destroy = ppolicy_db_destroy;
3383
3384 ppolicy.on_bi.bi_op_add = ppolicy_add;
3385 ppolicy.on_bi.bi_op_bind = ppolicy_bind;
3386 ppolicy.on_bi.bi_op_compare = ppolicy_compare;
3387 ppolicy.on_bi.bi_op_delete = ppolicy_restrict;
3388 ppolicy.on_bi.bi_op_modify = ppolicy_modify;
3389 ppolicy.on_bi.bi_op_search = ppolicy_search;
3390 ppolicy.on_bi.bi_connection_destroy = ppolicy_connection_destroy;
3391
3392 ppolicy.on_bi.bi_cf_ocs = ppolicyocs;
3393 code = config_register_schema( ppolicycfg, ppolicyocs );
3394 if ( code ) return code;
3395
3396 return overlay_register( &ppolicy );
3397 }
3398
3399 #if SLAPD_OVER_PPOLICY == SLAPD_MOD_DYNAMIC
init_module(int argc,char * argv[])3400 int init_module(int argc, char *argv[]) {
3401 return ppolicy_initialize();
3402 }
3403 #endif
3404
3405 #endif /* defined(SLAPD_OVER_PPOLICY) */
3406