2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 2004-2015 The OpenLDAP Foundation.
5 * Portions Copyright 2004-2005 Howard Chu, Symas Corporation.
6 * Portions Copyright 2004 Hewlett-Packard Company.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted only as authorized by the OpenLDAP
13 * A copy of this license is available in the file LICENSE in the
14 * top-level directory of the distribution or, alternatively, at
15 * <http://www.OpenLDAP.org/license.html>.
18 * This work was developed by Howard Chu for inclusion in
19 * OpenLDAP Software, based on prior work by Neil Dunbar (HP).
20 * This work was sponsored by the Hewlett-Packard Company.
25 /* This file implements "Password Policy for LDAP Directories",
26 * based on draft behera-ldap-password-policy-09
29 #ifdef SLAPD_OVER_PPOLICY
35 #define LIBLTDL_DLL_IMPORT /* Win32: don't re-export libltdl's symbols */
40 #include <ac/string.h>
44 #ifndef MODULE_NAME_SZ
45 #define MODULE_NAME_SZ 256
48 /* Per-instance configuration information */
49 typedef struct pp_info {
50 struct berval def_policy; /* DN of default policy subentry */
51 int use_lockout; /* send AccountLocked result? */
52 int hash_passwords; /* transparently hash cleartext pwds */
53 int forward_updates; /* use frontend for policy state updates */
56 /* Our per-connection info - note, it is not per-instance, it is
57 * used by all instances
59 typedef struct pw_conn {
60 struct berval dn; /* DN of restricted user */
63 static pw_conn *pwcons;
64 static int ppolicy_cid;
67 typedef struct pass_policy {
68 AttributeDescription *ad; /* attribute to which the policy applies */
69 int pwdMinAge; /* minimum time (seconds) until passwd can change */
70 int pwdMaxAge; /* time in seconds until pwd will expire after change */
71 int pwdInHistory; /* number of previous passwords kept */
72 int pwdCheckQuality; /* 0 = don't check quality, 1 = check if possible,
73 2 = check mandatory; fail if not possible */
74 int pwdMinLength; /* minimum number of chars in password */
75 int pwdExpireWarning; /* number of seconds that warning controls are
76 sent before a password expires */
77 int pwdGraceAuthNLimit; /* number of times you can log in with an
79 int pwdLockout; /* 0 = do not lockout passwords, 1 = lock them out */
80 int pwdLockoutDuration; /* time in seconds a password is locked out for */
81 int pwdMaxFailure; /* number of failed binds allowed before lockout */
82 int pwdFailureCountInterval; /* number of seconds before failure
84 int pwdMustChange; /* 0 = users can use admin set password
85 1 = users must change password after admin set */
86 int pwdAllowUserChange; /* 0 = users cannot change their passwords
87 1 = users can change them */
88 int pwdSafeModify; /* 0 = old password doesn't need to come
89 with password change request
90 1 = password change must supply existing pwd */
91 char pwdCheckModule[MODULE_NAME_SZ]; /* name of module to dynamically
92 load to check password */
95 typedef struct pw_hist {
96 time_t t; /* timestamp of history entry */
97 struct berval pw; /* old password hash */
98 struct berval bv; /* text of entire entry */
102 /* Operational attributes */
103 static AttributeDescription *ad_pwdChangedTime, *ad_pwdAccountLockedTime,
104 *ad_pwdFailureTime, *ad_pwdHistory, *ad_pwdGraceUseTime, *ad_pwdReset,
105 *ad_pwdPolicySubentry;
107 static struct schema_info {
109 AttributeDescription **ad;
111 { "( 1.3.6.1.4.1.42.2.27.8.1.16 "
112 "NAME ( 'pwdChangedTime' ) "
113 "DESC 'The time the password was last changed' "
114 "EQUALITY generalizedTimeMatch "
115 "ORDERING generalizedTimeOrderingMatch "
116 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
117 "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )",
118 &ad_pwdChangedTime },
119 { "( 1.3.6.1.4.1.42.2.27.8.1.17 "
120 "NAME ( 'pwdAccountLockedTime' ) "
121 "DESC 'The time an user account was locked' "
122 "EQUALITY generalizedTimeMatch "
123 "ORDERING generalizedTimeOrderingMatch "
124 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
127 /* Not until Relax control is released */
128 "NO-USER-MODIFICATION "
130 "USAGE directoryOperation )",
131 &ad_pwdAccountLockedTime },
132 { "( 1.3.6.1.4.1.42.2.27.8.1.19 "
133 "NAME ( 'pwdFailureTime' ) "
134 "DESC 'The timestamps of the last consecutive authentication failures' "
135 "EQUALITY generalizedTimeMatch "
136 "ORDERING generalizedTimeOrderingMatch "
137 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
138 "NO-USER-MODIFICATION USAGE directoryOperation )",
139 &ad_pwdFailureTime },
140 { "( 1.3.6.1.4.1.42.2.27.8.1.20 "
141 "NAME ( 'pwdHistory' ) "
142 "DESC 'The history of users passwords' "
143 "EQUALITY octetStringMatch "
144 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.40 "
145 "NO-USER-MODIFICATION USAGE directoryOperation )",
147 { "( 1.3.6.1.4.1.42.2.27.8.1.21 "
148 "NAME ( 'pwdGraceUseTime' ) "
149 "DESC 'The timestamps of the grace login once the password has expired' "
150 "EQUALITY generalizedTimeMatch "
151 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
152 "NO-USER-MODIFICATION USAGE directoryOperation )",
153 &ad_pwdGraceUseTime },
154 { "( 1.3.6.1.4.1.42.2.27.8.1.22 "
155 "NAME ( 'pwdReset' ) "
156 "DESC 'The indication that the password has been reset' "
157 "EQUALITY booleanMatch "
158 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
159 "SINGLE-VALUE USAGE directoryOperation )",
161 { "( 1.3.6.1.4.1.42.2.27.8.1.23 "
162 "NAME ( 'pwdPolicySubentry' ) "
163 "DESC 'The pwdPolicy subentry in effect for this object' "
164 "EQUALITY distinguishedNameMatch "
165 "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
168 /* Not until Relax control is released */
169 "NO-USER-MODIFICATION "
171 "USAGE directoryOperation )",
172 &ad_pwdPolicySubentry },
176 /* User attributes */
177 static AttributeDescription *ad_pwdMinAge, *ad_pwdMaxAge, *ad_pwdInHistory,
178 *ad_pwdCheckQuality, *ad_pwdMinLength, *ad_pwdMaxFailure,
179 *ad_pwdGraceAuthNLimit, *ad_pwdExpireWarning, *ad_pwdLockoutDuration,
180 *ad_pwdFailureCountInterval, *ad_pwdCheckModule, *ad_pwdLockout,
181 *ad_pwdMustChange, *ad_pwdAllowUserChange, *ad_pwdSafeModify,
184 #define TAB(name) { #name, &ad_##name }
186 static struct schema_info pwd_UsSchema[] = {
191 TAB(pwdCheckQuality),
194 TAB(pwdGraceAuthNLimit),
195 TAB(pwdExpireWarning),
197 TAB(pwdLockoutDuration),
198 TAB(pwdFailureCountInterval),
201 TAB(pwdAllowUserChange),
206 static ldap_pvt_thread_mutex_t chk_syntax_mutex;
210 PPOLICY_HASH_CLEARTEXT,
214 static ConfigDriver ppolicy_cf_default;
216 static ConfigTable ppolicycfg[] = {
217 { "ppolicy_default", "policyDN", 2, 2, 0,
218 ARG_DN|ARG_QUOTE|ARG_MAGIC|PPOLICY_DEFAULT, ppolicy_cf_default,
219 "( OLcfgOvAt:12.1 NAME 'olcPPolicyDefault' "
220 "DESC 'DN of a pwdPolicy object for uncustomized objects' "
221 "SYNTAX OMsDN SINGLE-VALUE )", NULL, NULL },
222 { "ppolicy_hash_cleartext", "on|off", 1, 2, 0,
223 ARG_ON_OFF|ARG_OFFSET|PPOLICY_HASH_CLEARTEXT,
224 (void *)offsetof(pp_info,hash_passwords),
225 "( OLcfgOvAt:12.2 NAME 'olcPPolicyHashCleartext' "
226 "DESC 'Hash passwords on add or modify' "
227 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
228 { "ppolicy_forward_updates", "on|off", 1, 2, 0,
229 ARG_ON_OFF|ARG_OFFSET,
230 (void *)offsetof(pp_info,forward_updates),
231 "( OLcfgOvAt:12.4 NAME 'olcPPolicyForwardUpdates' "
232 "DESC 'Allow policy state updates to be forwarded via updateref' "
233 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
234 { "ppolicy_use_lockout", "on|off", 1, 2, 0,
235 ARG_ON_OFF|ARG_OFFSET|PPOLICY_USE_LOCKOUT,
236 (void *)offsetof(pp_info,use_lockout),
237 "( OLcfgOvAt:12.3 NAME 'olcPPolicyUseLockout' "
238 "DESC 'Warn clients with AccountLocked' "
239 "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
240 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
243 static ConfigOCs ppolicyocs[] = {
244 { "( OLcfgOvOc:12.1 "
245 "NAME 'olcPPolicyConfig' "
246 "DESC 'Password Policy configuration' "
247 "SUP olcOverlayConfig "
248 "MAY ( olcPPolicyDefault $ olcPPolicyHashCleartext $ "
249 "olcPPolicyUseLockout $ olcPPolicyForwardUpdates ) )",
250 Cft_Overlay, ppolicycfg },
255 ppolicy_cf_default( ConfigArgs *c )
257 slap_overinst *on = (slap_overinst *)c->bi;
258 pp_info *pi = (pp_info *)on->on_bi.bi_private;
259 int rc = ARG_BAD_CONF;
261 assert ( c->type == PPOLICY_DEFAULT );
262 Debug(LDAP_DEBUG_TRACE, "==> ppolicy_cf_default\n", 0, 0, 0);
265 case SLAP_CONFIG_EMIT:
266 Debug(LDAP_DEBUG_TRACE, "==> ppolicy_cf_default emit\n", 0, 0, 0);
268 if ( !BER_BVISEMPTY( &pi->def_policy )) {
269 rc = value_add_one( &c->rvalue_vals,
272 rc = value_add_one( &c->rvalue_nvals,
276 case LDAP_MOD_DELETE:
277 Debug(LDAP_DEBUG_TRACE, "==> ppolicy_cf_default delete\n", 0, 0, 0);
278 if ( pi->def_policy.bv_val ) {
279 ber_memfree ( pi->def_policy.bv_val );
280 pi->def_policy.bv_val = NULL;
282 pi->def_policy.bv_len = 0;
285 case SLAP_CONFIG_ADD:
286 /* fallthrough to LDAP_MOD_ADD */
288 Debug(LDAP_DEBUG_TRACE, "==> ppolicy_cf_default add\n", 0, 0, 0);
289 if ( pi->def_policy.bv_val ) {
290 ber_memfree ( pi->def_policy.bv_val );
292 pi->def_policy = c->value_ndn;
293 ber_memfree( c->value_dn.bv_val );
294 BER_BVZERO( &c->value_dn );
295 BER_BVZERO( &c->value_ndn );
306 parse_time( char *atm )
309 struct lutil_timet tt;
310 time_t ret = (time_t)-1;
312 if ( lutil_parsetime( atm, &tm ) == 0) {
313 lutil_tm2time( &tm, &tt );
320 account_locked( Operation *op, Entry *e,
321 PassPolicy *pp, Modifications **mod )
327 if ( !pp->pwdLockout )
330 if ( (la = attr_find( e->e_attrs, ad_pwdAccountLockedTime )) != NULL ) {
331 BerVarray vals = la->a_nvals;
334 * there is a lockout stamp - we now need to know if it's
337 if (vals[0].bv_val != NULL) {
341 if ((then = parse_time( vals[0].bv_val )) == (time_t)0)
344 now = slap_get_time();
346 /* Still in the future? not yet in effect */
350 if (!pp->pwdLockoutDuration)
353 if (now < then + pp->pwdLockoutDuration)
356 m = ch_calloc( sizeof(Modifications), 1 );
357 m->sml_op = LDAP_MOD_DELETE;
359 m->sml_type = ad_pwdAccountLockedTime->ad_cname;
360 m->sml_desc = ad_pwdAccountLockedTime;
369 /* IMPLICIT TAGS, all context-specific */
370 #define PPOLICY_WARNING 0xa0L /* constructed + 0 */
371 #define PPOLICY_ERROR 0x81L /* primitive + 1 */
373 #define PPOLICY_EXPIRE 0x80L /* primitive + 0 */
374 #define PPOLICY_GRACE 0x81L /* primitive + 1 */
376 static const char ppolicy_ctrl_oid[] = LDAP_CONTROL_PASSWORDPOLICYRESPONSE;
379 create_passcontrol( Operation *op, int exptime, int grace, LDAPPasswordPolicyError err )
381 BerElementBuffer berbuf, bb2;
382 BerElement *ber = (BerElement *) &berbuf, *b2 = (BerElement *) &bb2;
383 LDAPControl c = { 0 }, *cp;
387 BER_BVZERO( &c.ldctl_value );
389 ber_init2( ber, NULL, LBER_USE_DER );
390 ber_printf( ber, "{" /*}*/ );
392 if ( exptime >= 0 ) {
393 ber_init2( b2, NULL, LBER_USE_DER );
394 ber_printf( b2, "ti", PPOLICY_EXPIRE, exptime );
395 rc = ber_flatten2( b2, &bv, 1 );
396 (void)ber_free_buf(b2);
401 ber_printf( ber, "tO", PPOLICY_WARNING, &bv );
402 ch_free( bv.bv_val );
403 } else if ( grace > 0 ) {
404 ber_init2( b2, NULL, LBER_USE_DER );
405 ber_printf( b2, "ti", PPOLICY_GRACE, grace );
406 rc = ber_flatten2( b2, &bv, 1 );
407 (void)ber_free_buf(b2);
412 ber_printf( ber, "tO", PPOLICY_WARNING, &bv );
413 ch_free( bv.bv_val );
416 if (err != PP_noError ) {
417 ber_printf( ber, "te", PPOLICY_ERROR, err );
419 ber_printf( ber, /*{*/ "N}" );
421 if (ber_flatten2( ber, &c.ldctl_value, 0 ) == -1) {
424 cp = op->o_tmpalloc( sizeof( LDAPControl ) + c.ldctl_value.bv_len, op->o_tmpmemctx );
425 cp->ldctl_oid = (char *)ppolicy_ctrl_oid;
426 cp->ldctl_iscritical = 0;
427 cp->ldctl_value.bv_val = (char *)&cp[1];
428 cp->ldctl_value.bv_len = c.ldctl_value.bv_len;
429 AC_MEMCPY( cp->ldctl_value.bv_val, c.ldctl_value.bv_val, c.ldctl_value.bv_len );
431 (void)ber_free_buf(ber);
436 static LDAPControl **
437 add_passcontrol( Operation *op, SlapReply *rs, LDAPControl *ctrl )
439 LDAPControl **ctrls, **oldctrls = rs->sr_ctrls;
444 for ( ; oldctrls[n]; n++ )
449 ctrls = op->o_tmpcalloc( sizeof( LDAPControl * ), n, op->o_tmpmemctx );
453 for ( ; oldctrls[n]; n++ ) {
454 ctrls[n] = oldctrls[n];
460 rs->sr_ctrls = ctrls;
466 ppolicy_get( Operation *op, Entry *e, PassPolicy *pp )
468 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
469 pp_info *pi = on->on_bi.bi_private;
478 memset( pp, 0, sizeof(PassPolicy) );
480 pp->ad = slap_schema.si_ad_userPassword;
482 /* Users can change their own password by default */
483 pp->pwdAllowUserChange = 1;
485 if ((a = attr_find( e->e_attrs, ad_pwdPolicySubentry )) == NULL) {
487 * entry has no password policy assigned - use default
489 vals = &pi->def_policy;
494 if (vals[0].bv_val == NULL) {
495 Debug( LDAP_DEBUG_ANY,
496 "ppolicy_get: NULL value for policySubEntry\n", 0, 0, 0 );
501 op->o_bd->bd_info = (BackendInfo *)on->on_info;
502 rc = be_entry_get_rw( op, vals, NULL, NULL, 0, &pe );
503 op->o_bd->bd_info = (BackendInfo *)on;
505 if ( rc ) goto defaultpol;
507 #if 0 /* Only worry about userPassword for now */
508 if ((a = attr_find( pe->e_attrs, ad_pwdAttribute )))
509 slap_bv2ad( &a->a_vals[0], &pp->ad, &text );
512 if ( ( a = attr_find( pe->e_attrs, ad_pwdMinAge ) )
513 && lutil_atoi( &pp->pwdMinAge, a->a_vals[0].bv_val ) != 0 )
515 if ( ( a = attr_find( pe->e_attrs, ad_pwdMaxAge ) )
516 && lutil_atoi( &pp->pwdMaxAge, a->a_vals[0].bv_val ) != 0 )
518 if ( ( a = attr_find( pe->e_attrs, ad_pwdInHistory ) )
519 && lutil_atoi( &pp->pwdInHistory, a->a_vals[0].bv_val ) != 0 )
521 if ( ( a = attr_find( pe->e_attrs, ad_pwdCheckQuality ) )
522 && lutil_atoi( &pp->pwdCheckQuality, a->a_vals[0].bv_val ) != 0 )
524 if ( ( a = attr_find( pe->e_attrs, ad_pwdMinLength ) )
525 && lutil_atoi( &pp->pwdMinLength, a->a_vals[0].bv_val ) != 0 )
527 if ( ( a = attr_find( pe->e_attrs, ad_pwdMaxFailure ) )
528 && lutil_atoi( &pp->pwdMaxFailure, a->a_vals[0].bv_val ) != 0 )
530 if ( ( a = attr_find( pe->e_attrs, ad_pwdGraceAuthNLimit ) )
531 && lutil_atoi( &pp->pwdGraceAuthNLimit, a->a_vals[0].bv_val ) != 0 )
533 if ( ( a = attr_find( pe->e_attrs, ad_pwdExpireWarning ) )
534 && lutil_atoi( &pp->pwdExpireWarning, a->a_vals[0].bv_val ) != 0 )
536 if ( ( a = attr_find( pe->e_attrs, ad_pwdFailureCountInterval ) )
537 && lutil_atoi( &pp->pwdFailureCountInterval, a->a_vals[0].bv_val ) != 0 )
539 if ( ( a = attr_find( pe->e_attrs, ad_pwdLockoutDuration ) )
540 && lutil_atoi( &pp->pwdLockoutDuration, a->a_vals[0].bv_val ) != 0 )
543 if ( ( a = attr_find( pe->e_attrs, ad_pwdCheckModule ) ) ) {
544 strncpy( pp->pwdCheckModule, a->a_vals[0].bv_val,
545 sizeof(pp->pwdCheckModule) );
546 pp->pwdCheckModule[sizeof(pp->pwdCheckModule)-1] = '\0';
549 if ((a = attr_find( pe->e_attrs, ad_pwdLockout )))
550 pp->pwdLockout = bvmatch( &a->a_nvals[0], &slap_true_bv );
551 if ((a = attr_find( pe->e_attrs, ad_pwdMustChange )))
552 pp->pwdMustChange = bvmatch( &a->a_nvals[0], &slap_true_bv );
553 if ((a = attr_find( pe->e_attrs, ad_pwdAllowUserChange )))
554 pp->pwdAllowUserChange = bvmatch( &a->a_nvals[0], &slap_true_bv );
555 if ((a = attr_find( pe->e_attrs, ad_pwdSafeModify )))
556 pp->pwdSafeModify = bvmatch( &a->a_nvals[0], &slap_true_bv );
558 op->o_bd->bd_info = (BackendInfo *)on->on_info;
559 be_entry_release_r( op, pe );
560 op->o_bd->bd_info = (BackendInfo *)on;
565 Debug( LDAP_DEBUG_TRACE,
566 "ppolicy_get: using default policy\n", 0, 0, 0 );
571 password_scheme( struct berval *cred, struct berval *sch )
575 assert( cred != NULL );
582 if ((cred->bv_len == 0) || (cred->bv_val == NULL) ||
583 (cred->bv_val[0] != '{')) return LDAP_OTHER;
585 for(e = 1; cred->bv_val[e] && cred->bv_val[e] != '}'; e++);
586 if (cred->bv_val[e]) {
588 rc = lutil_passwd_scheme( cred->bv_val );
591 sch->bv_val = cred->bv_val;
601 check_password_quality( struct berval *cred, PassPolicy *pp, LDAPPasswordPolicyError *err, Entry *e, char **txt )
603 int rc = LDAP_SUCCESS, ok = LDAP_SUCCESS;
607 assert( cred != NULL );
608 assert( pp != NULL );
609 assert( txt != NULL );
615 if ((cred->bv_len == 0) || (pp->pwdMinLength > cred->bv_len)) {
616 rc = LDAP_CONSTRAINT_VIOLATION;
617 if ( err ) *err = PP_passwordTooShort;
622 * We need to know if the password is already hashed - if so
623 * what scheme is it. The reason being that the "hash" of
624 * {cleartext} still allows us to check the password.
626 rc = password_scheme( cred, &sch );
627 if (rc == LDAP_SUCCESS) {
628 if ((sch.bv_val) && (strncasecmp( sch.bv_val, "{cleartext}",
629 sch.bv_len ) == 0)) {
631 * We can check the cleartext "hash"
633 ptr = cred->bv_val + sch.bv_len;
635 /* everything else, we can't check */
636 if (pp->pwdCheckQuality == 2) {
637 rc = LDAP_CONSTRAINT_VIOLATION;
638 if (err) *err = PP_insufficientPasswordQuality;
642 * We can't check the syntax of the password, but it's not
643 * mandatory (according to the policy), so we return success.
652 if (pp->pwdCheckModule[0]) {
657 if ((mod = lt_dlopen( pp->pwdCheckModule )) == NULL) {
660 Debug(LDAP_DEBUG_ANY,
661 "check_password_quality: lt_dlopen failed: (%s) %s.\n",
662 pp->pwdCheckModule, err, 0 );
663 ok = LDAP_OTHER; /* internal error */
665 /* FIXME: the error message ought to be passed thru a
666 * struct berval, with preallocated buffer and size
667 * passed in. Module can still allocate a buffer for
668 * it if the provided one is too small.
670 int (*prog)( char *passwd, char **text, Entry *ent );
672 if ((prog = lt_dlsym( mod, "check_password" )) == NULL) {
675 Debug(LDAP_DEBUG_ANY,
676 "check_password_quality: lt_dlsym failed: (%s) %s.\n",
677 pp->pwdCheckModule, err, 0 );
680 ldap_pvt_thread_mutex_lock( &chk_syntax_mutex );
681 ok = prog( ptr, txt, e );
682 ldap_pvt_thread_mutex_unlock( &chk_syntax_mutex );
683 if (ok != LDAP_SUCCESS) {
684 Debug(LDAP_DEBUG_ANY,
685 "check_password_quality: module error: (%s) %s.[%d]\n",
686 pp->pwdCheckModule, *txt ? *txt : "", ok );
693 Debug(LDAP_DEBUG_ANY, "check_password_quality: external modules not "
694 "supported. pwdCheckModule ignored.\n", 0, 0, 0);
695 #endif /* SLAPD_MODULES */
699 if (ok != LDAP_SUCCESS) {
700 rc = LDAP_CONSTRAINT_VIOLATION;
701 if (err) *err = PP_insufficientPasswordQuality;
708 parse_pwdhistory( struct berval *bv, char **oid, time_t *oldtime, struct berval *oldpw )
711 struct berval nv, npw;
714 assert (bv && (bv->bv_len > 0) && (bv->bv_val) && oldtime && oldpw );
719 *oldtime = (time_t)-1;
722 ber_dupbv( &nv, bv );
724 /* first get the time field */
725 for ( i = 0; (i < nv.bv_len) && (nv.bv_val[i] != '#'); i++ )
727 if ( i == nv.bv_len ) {
728 goto exit_failure; /* couldn't locate the '#' separator */
730 nv.bv_val[i++] = '\0'; /* terminate the string & move to next field */
732 *oldtime = parse_time( ptr );
733 if (*oldtime == (time_t)-1) {
737 /* get the OID field */
738 for (ptr = &(nv.bv_val[i]); (i < nv.bv_len) && (nv.bv_val[i] != '#'); i++ )
740 if ( i == nv.bv_len ) {
741 goto exit_failure; /* couldn't locate the '#' separator */
743 nv.bv_val[i++] = '\0'; /* terminate the string & move to next field */
745 *oid = ber_strdup( ptr );
748 /* get the length field */
749 for ( ptr = &(nv.bv_val[i]); (i < nv.bv_len) && (nv.bv_val[i] != '#'); i++ )
751 if ( i == nv.bv_len ) {
752 goto exit_failure; /* couldn't locate the '#' separator */
754 nv.bv_val[i++] = '\0'; /* terminate the string & move to next field */
755 oldpw->bv_len = strtol( ptr, NULL, 10 );
756 if (errno == ERANGE) {
760 /* lastly, get the octets of the string */
761 for ( j = i, ptr = &(nv.bv_val[i]); i < nv.bv_len; i++ )
763 if ( i - j != oldpw->bv_len) {
764 goto exit_failure; /* length is wrong */
768 npw.bv_len = oldpw->bv_len;
769 ber_dupbv( oldpw, &npw );
770 ber_memfree( nv.bv_val );
779 if ( oldpw->bv_val ) {
780 ber_memfree( oldpw->bv_val);
783 ber_memfree( nv.bv_val );
789 add_to_pwd_history( pw_hist **l, time_t t,
790 struct berval *oldpw, struct berval *bv )
792 pw_hist *p, *p1, *p2;
796 p = ch_malloc( sizeof( pw_hist ));
798 ber_dupbv( &p->bv, bv );
803 /* degenerate case */
808 * advance p1 and p2 such that p1 is the node before the
809 * new one, and p2 is the node after it
811 for (p1 = NULL, p2 = *l; p2 && p2->t <= t; p1 = p2, p2=p2->next );
813 if (p1 == NULL) { *l = p; return; }
817 #ifndef MAX_PWD_HISTORY_SZ
818 #define MAX_PWD_HISTORY_SZ 1024
819 #endif /* MAX_PWD_HISTORY_SZ */
822 make_pwd_history_value( char *timebuf, struct berval *bv, Attribute *pa )
824 char str[ MAX_PWD_HISTORY_SZ ];
827 snprintf( str, MAX_PWD_HISTORY_SZ,
828 "%s#%s#%lu#", timebuf,
829 pa->a_desc->ad_type->sat_syntax->ssyn_oid,
830 (unsigned long) pa->a_nvals[0].bv_len );
831 str[MAX_PWD_HISTORY_SZ-1] = 0;
835 * We have to assume that the string is a string of octets,
836 * not readable characters. In reality, yes, it probably is
837 * a readable (ie, base64) string, but we can't count on that
838 * Hence, while the first 3 fields of the password history
839 * are definitely readable (a timestamp, an OID and an integer
840 * length), the remaining octets of the actual password
841 * are deemed to be binary data.
843 AC_MEMCPY( str + nlen, pa->a_nvals[0].bv_val, pa->a_nvals[0].bv_len );
844 nlen += pa->a_nvals[0].bv_len;
845 bv->bv_val = ch_malloc( nlen + 1 );
846 AC_MEMCPY( bv->bv_val, str, nlen );
847 bv->bv_val[nlen] = '\0';
852 free_pwd_history_list( pw_hist **l )
859 pw_hist *pp = p->next;
869 typedef struct ppbind {
873 LDAPControl **oldctrls;
875 LDAPPasswordPolicyError pErr;
880 ctrls_cleanup( Operation *op, SlapReply *rs, LDAPControl **oldctrls )
884 assert( rs->sr_ctrls != NULL );
885 assert( rs->sr_ctrls[0] != NULL );
887 for ( n = 0; rs->sr_ctrls[n]; n++ ) {
888 if ( rs->sr_ctrls[n]->ldctl_oid == ppolicy_ctrl_oid ) {
889 op->o_tmpfree( rs->sr_ctrls[n], op->o_tmpmemctx );
890 rs->sr_ctrls[n] = (LDAPControl *)(-1);
895 if ( rs->sr_ctrls[n] == NULL ) {
899 op->o_tmpfree( rs->sr_ctrls, op->o_tmpmemctx );
901 rs->sr_ctrls = oldctrls;
905 ppolicy_ctrls_cleanup( Operation *op, SlapReply *rs )
907 ppbind *ppb = op->o_callback->sc_private;
908 if ( ppb->send_ctrl ) {
909 ctrls_cleanup( op, rs, ppb->oldctrls );
911 return SLAP_CB_CONTINUE;
915 ppolicy_bind_response( Operation *op, SlapReply *rs )
917 ppbind *ppb = op->o_callback->sc_private;
918 slap_overinst *on = ppb->on;
919 Modifications *mod = ppb->mod, *m;
921 int ngut = -1, warn = -1, age, rc;
923 time_t now, pwtime = (time_t)-1;
924 struct lutil_tm now_tm;
925 struct lutil_timet now_usec;
926 char nowstr[ LDAP_LUTIL_GENTIME_BUFSIZE ];
927 char nowstr_usec[ LDAP_LUTIL_GENTIME_BUFSIZE+8 ];
928 struct berval timestamp, timestamp_usec;
929 BackendInfo *bi = op->o_bd->bd_info;
932 /* If we already know it's locked, just get on with it */
933 if ( ppb->pErr != PP_noError ) {
937 op->o_bd->bd_info = (BackendInfo *)on->on_info;
938 rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
939 op->o_bd->bd_info = bi;
941 if ( rc != LDAP_SUCCESS ) {
942 return SLAP_CB_CONTINUE;
945 ldap_pvt_gettime(&now_tm); /* stored for later consideration */
946 lutil_tm2time(&now_tm, &now_usec);
947 now = now_usec.tt_sec;
948 timestamp.bv_val = nowstr;
949 timestamp.bv_len = sizeof(nowstr);
950 slap_timestamp( &now, ×tamp );
952 /* Separate timestamp for pwdFailureTime with microsecond granularity */
953 strcpy(nowstr_usec, nowstr);
954 timestamp_usec.bv_val = nowstr_usec;
955 timestamp_usec.bv_len = timestamp.bv_len;
956 snprintf( timestamp_usec.bv_val + timestamp_usec.bv_len-1, sizeof(".123456Z"), ".%06dZ", now_usec.tt_usec );
957 timestamp_usec.bv_len += STRLENOF(".123456");
959 if ( rs->sr_err == LDAP_INVALID_CREDENTIALS ) {
962 m = ch_calloc( sizeof(Modifications), 1 );
963 m->sml_op = LDAP_MOD_ADD;
965 m->sml_type = ad_pwdFailureTime->ad_cname;
966 m->sml_desc = ad_pwdFailureTime;
968 m->sml_values = ch_calloc( sizeof(struct berval), 2 );
969 m->sml_nvalues = ch_calloc( sizeof(struct berval), 2 );
971 ber_dupbv( &m->sml_values[0], ×tamp_usec );
972 ber_dupbv( &m->sml_nvalues[0], ×tamp_usec );
977 * Count the pwdFailureTimes - if it's
978 * greater than the policy pwdMaxFailure,
979 * then lock the account.
981 if ((a = attr_find( e->e_attrs, ad_pwdFailureTime )) != NULL) {
982 for(i=0; a->a_nvals[i].bv_val; i++) {
985 * If the interval is 0, then failures
986 * stay on the record until explicitly
987 * reset by successful authentication.
989 if (ppb->pp.pwdFailureCountInterval == 0) {
992 parse_time(a->a_nvals[i].bv_val) +
993 ppb->pp.pwdFailureCountInterval) {
998 * We only count those failures
999 * which are not due to expire.
1004 if ((ppb->pp.pwdMaxFailure > 0) &&
1005 (fc >= ppb->pp.pwdMaxFailure - 1)) {
1008 * We subtract 1 from the failure max
1009 * because the new failure entry hasn't
1010 * made it to the entry yet.
1012 m = ch_calloc( sizeof(Modifications), 1 );
1013 m->sml_op = LDAP_MOD_REPLACE;
1015 m->sml_type = ad_pwdAccountLockedTime->ad_cname;
1016 m->sml_desc = ad_pwdAccountLockedTime;
1018 m->sml_values = ch_calloc( sizeof(struct berval), 2 );
1019 m->sml_nvalues = ch_calloc( sizeof(struct berval), 2 );
1020 ber_dupbv( &m->sml_values[0], ×tamp );
1021 ber_dupbv( &m->sml_nvalues[0], ×tamp );
1025 } else if ( rs->sr_err == LDAP_SUCCESS ) {
1026 if ((a = attr_find( e->e_attrs, ad_pwdChangedTime )) != NULL)
1027 pwtime = parse_time( a->a_nvals[0].bv_val );
1029 /* delete all pwdFailureTimes */
1030 if ( attr_find( e->e_attrs, ad_pwdFailureTime )) {
1031 m = ch_calloc( sizeof(Modifications), 1 );
1032 m->sml_op = LDAP_MOD_DELETE;
1034 m->sml_type = ad_pwdFailureTime->ad_cname;
1035 m->sml_desc = ad_pwdFailureTime;
1041 * check to see if the password must be changed
1043 if ( ppb->pp.pwdMustChange &&
1044 (a = attr_find( e->e_attrs, ad_pwdReset )) &&
1045 bvmatch( &a->a_nvals[0], &slap_true_bv ) )
1048 * need to inject client controls here to give
1049 * more information. For the moment, we ensure
1050 * that we are disallowed from doing anything
1051 * other than change password.
1053 if ( ppb->set_restrict ) {
1054 ber_dupbv( &pwcons[op->o_conn->c_conn_idx].dn,
1055 &op->o_conn->c_ndn );
1058 ppb->pErr = PP_changeAfterReset;
1062 * the password does not need to be changed, so
1063 * we now check whether the password has expired.
1065 * We can skip this bit if passwords don't age in
1066 * the policy. Also, if there was no pwdChangedTime
1067 * attribute in the entry, the password never expires.
1069 if (ppb->pp.pwdMaxAge == 0) goto grace;
1071 if (pwtime != (time_t)-1) {
1073 * Check: was the last change time of
1074 * the password older than the maximum age
1075 * allowed. (Ignore case 2 from I-D, it's just silly.)
1077 if (now - pwtime > ppb->pp.pwdMaxAge ) pwExpired = 1;
1082 if (!pwExpired) goto check_expiring_password;
1084 if ((a = attr_find( e->e_attrs, ad_pwdGraceUseTime )) == NULL)
1085 ngut = ppb->pp.pwdGraceAuthNLimit;
1087 for(ngut=0; a->a_nvals[ngut].bv_val; ngut++);
1088 ngut = ppb->pp.pwdGraceAuthNLimit - ngut;
1092 * ngut is the number of remaining grace logins
1094 Debug( LDAP_DEBUG_ANY,
1095 "ppolicy_bind: Entry %s has an expired password: %d grace logins\n",
1096 e->e_name.bv_val, ngut, 0);
1099 ppb->pErr = PP_passwordExpired;
1100 rs->sr_err = LDAP_INVALID_CREDENTIALS;
1105 * Add a grace user time to the entry
1107 m = ch_calloc( sizeof(Modifications), 1 );
1108 m->sml_op = LDAP_MOD_ADD;
1110 m->sml_type = ad_pwdGraceUseTime->ad_cname;
1111 m->sml_desc = ad_pwdGraceUseTime;
1113 m->sml_values = ch_calloc( sizeof(struct berval), 2 );
1114 m->sml_nvalues = ch_calloc( sizeof(struct berval), 2 );
1115 ber_dupbv( &m->sml_values[0], ×tamp );
1116 ber_dupbv( &m->sml_nvalues[0], ×tamp );
1120 check_expiring_password:
1122 * Now we need to check to see
1123 * if it is about to expire, and if so, should the user
1124 * be warned about it in the password policy control.
1126 * If the password has expired, and we're in the grace period, then
1127 * we don't need to do this bit. Similarly, if we don't have password
1128 * aging, then there's no need to do this bit either.
1130 if ((ppb->pp.pwdMaxAge < 1) || (pwExpired) || (ppb->pp.pwdExpireWarning < 1))
1133 age = (int)(now - pwtime);
1136 * We know that there is a password Change Time attribute - if
1137 * there wasn't, then the pwdExpired value would be true, unless
1138 * there is no password aging - and if there is no password aging,
1139 * then this section isn't called anyway - you can't have an
1140 * expiring password if there's no limit to expire.
1142 if (ppb->pp.pwdMaxAge - age < ppb->pp.pwdExpireWarning ) {
1144 * Set the warning value.
1146 warn = ppb->pp.pwdMaxAge - age; /* seconds left until expiry */
1147 if (warn < 0) warn = 0; /* something weird here - why is pwExpired not set? */
1149 Debug( LDAP_DEBUG_ANY,
1150 "ppolicy_bind: Setting warning for password expiry for %s = %d seconds\n",
1151 op->o_req_dn.bv_val, warn, 0 );
1156 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1157 be_entry_release_r( op, e );
1161 Operation op2 = *op;
1162 SlapReply r2 = { REP_RESULT };
1163 slap_callback cb = { NULL, slap_null_cb, NULL, NULL };
1164 pp_info *pi = on->on_bi.bi_private;
1165 LDAPControl c, *ca[2];
1167 op2.o_tag = LDAP_REQ_MODIFY;
1168 op2.o_callback = &cb;
1169 op2.orm_modlist = mod;
1170 op2.orm_no_opattrs = 0;
1171 op2.o_dn = op->o_bd->be_rootdn;
1172 op2.o_ndn = op->o_bd->be_rootndn;
1174 /* If this server is a shadow and forward_updates is true,
1175 * use the frontend to perform this modify. That will trigger
1176 * the update referral, which can then be forwarded by the
1177 * chain overlay. Obviously the updateref and chain overlay
1178 * must be configured appropriately for this to be useful.
1180 if ( SLAP_SHADOW( op->o_bd ) && pi->forward_updates ) {
1181 op2.o_bd = frontendDB;
1183 /* Must use Relax control since these are no-user-mod */
1184 op2.o_relax = SLAP_CONTROL_CRITICAL;
1188 BER_BVZERO( &c.ldctl_value );
1189 c.ldctl_iscritical = 1;
1190 c.ldctl_oid = LDAP_CONTROL_RELAX;
1192 /* If not forwarding, don't update opattrs and don't replicate */
1193 if ( SLAP_SINGLE_SHADOW( op->o_bd )) {
1194 op2.orm_no_opattrs = 1;
1195 op2.o_dont_replicate = 1;
1197 op2.o_bd->bd_info = (BackendInfo *)on->on_info;
1199 rc = op2.o_bd->be_modify( &op2, &r2 );
1200 slap_mods_free( mod, 1 );
1203 if ( ppb->send_ctrl ) {
1204 LDAPControl *ctrl = NULL;
1205 pp_info *pi = on->on_bi.bi_private;
1207 /* Do we really want to tell that the account is locked? */
1208 if ( ppb->pErr == PP_accountLocked && !pi->use_lockout ) {
1209 ppb->pErr = PP_noError;
1211 ctrl = create_passcontrol( op, warn, ngut, ppb->pErr );
1212 ppb->oldctrls = add_passcontrol( op, rs, ctrl );
1213 op->o_callback->sc_cleanup = ppolicy_ctrls_cleanup;
1215 op->o_bd->bd_info = bi;
1216 return SLAP_CB_CONTINUE;
1220 ppolicy_bind( Operation *op, SlapReply *rs )
1222 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1224 /* Reset lockout status on all Bind requests */
1225 if ( !BER_BVISEMPTY( &pwcons[op->o_conn->c_conn_idx].dn )) {
1226 ch_free( pwcons[op->o_conn->c_conn_idx].dn.bv_val );
1227 BER_BVZERO( &pwcons[op->o_conn->c_conn_idx].dn );
1230 /* Root bypasses policy */
1231 if ( !be_isroot_dn( op->o_bd, &op->o_req_ndn )) {
1237 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1238 rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
1240 if ( rc != LDAP_SUCCESS ) {
1241 return SLAP_CB_CONTINUE;
1244 cb = op->o_tmpcalloc( sizeof(ppbind)+sizeof(slap_callback),
1245 1, op->o_tmpmemctx );
1246 ppb = (ppbind *)(cb+1);
1248 ppb->pErr = PP_noError;
1249 ppb->set_restrict = 1;
1251 /* Setup a callback so we can munge the result */
1253 cb->sc_response = ppolicy_bind_response;
1254 cb->sc_next = op->o_callback->sc_next;
1255 cb->sc_private = ppb;
1256 op->o_callback->sc_next = cb;
1258 /* Did we receive a password policy request control? */
1259 if ( op->o_ctrlflag[ppolicy_cid] ) {
1263 op->o_bd->bd_info = (BackendInfo *)on;
1264 ppolicy_get( op, e, &ppb->pp );
1266 rc = account_locked( op, e, &ppb->pp, &ppb->mod );
1268 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1269 be_entry_release_r( op, e );
1272 ppb->pErr = PP_accountLocked;
1273 send_ldap_error( op, rs, LDAP_INVALID_CREDENTIALS, NULL );
1279 return SLAP_CB_CONTINUE;
1282 /* Reset the restricted info for the next session on this connection */
1284 ppolicy_connection_destroy( BackendDB *bd, Connection *conn )
1286 if ( pwcons && !BER_BVISEMPTY( &pwcons[conn->c_conn_idx].dn )) {
1287 ch_free( pwcons[conn->c_conn_idx].dn.bv_val );
1288 BER_BVZERO( &pwcons[conn->c_conn_idx].dn );
1290 return SLAP_CB_CONTINUE;
1293 /* Check if this connection is restricted */
1299 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1302 /* Did we receive a password policy request control? */
1303 if ( op->o_ctrlflag[ppolicy_cid] ) {
1307 if ( op->o_conn && !BER_BVISEMPTY( &pwcons[op->o_conn->c_conn_idx].dn )) {
1308 LDAPControl **oldctrls;
1309 /* if the current authcDN doesn't match the one we recorded,
1310 * then an intervening Bind has succeeded and the restriction
1311 * no longer applies. (ITS#4516)
1313 if ( !dn_match( &op->o_conn->c_ndn,
1314 &pwcons[op->o_conn->c_conn_idx].dn )) {
1315 ch_free( pwcons[op->o_conn->c_conn_idx].dn.bv_val );
1316 BER_BVZERO( &pwcons[op->o_conn->c_conn_idx].dn );
1317 return SLAP_CB_CONTINUE;
1320 Debug( LDAP_DEBUG_TRACE,
1321 "connection restricted to password changing only\n", 0, 0, 0);
1323 LDAPControl *ctrl = NULL;
1324 ctrl = create_passcontrol( op, -1, -1, PP_changeAfterReset );
1325 oldctrls = add_passcontrol( op, rs, ctrl );
1327 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1328 send_ldap_error( op, rs, LDAP_INSUFFICIENT_ACCESS,
1329 "Operations are restricted to bind/unbind/abandon/StartTLS/modify password" );
1331 ctrls_cleanup( op, rs, oldctrls );
1336 return SLAP_CB_CONTINUE;
1340 ppolicy_compare_response(
1344 /* map compare responses to bind responses */
1345 if ( rs->sr_err == LDAP_COMPARE_TRUE )
1346 rs->sr_err = LDAP_SUCCESS;
1347 else if ( rs->sr_err == LDAP_COMPARE_FALSE )
1348 rs->sr_err = LDAP_INVALID_CREDENTIALS;
1350 ppolicy_bind_response( op, rs );
1352 /* map back to compare */
1353 if ( rs->sr_err == LDAP_SUCCESS )
1354 rs->sr_err = LDAP_COMPARE_TRUE;
1355 else if ( rs->sr_err == LDAP_INVALID_CREDENTIALS )
1356 rs->sr_err = LDAP_COMPARE_FALSE;
1358 return SLAP_CB_CONTINUE;
1366 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1368 if ( ppolicy_restrict( op, rs ) != SLAP_CB_CONTINUE )
1371 /* Did we receive a password policy request control?
1372 * Are we testing the userPassword?
1374 if ( op->o_ctrlflag[ppolicy_cid] &&
1375 op->orc_ava->aa_desc == slap_schema.si_ad_userPassword ) {
1381 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1382 rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
1384 if ( rc != LDAP_SUCCESS ) {
1385 return SLAP_CB_CONTINUE;
1388 cb = op->o_tmpcalloc( sizeof(ppbind)+sizeof(slap_callback),
1389 1, op->o_tmpmemctx );
1390 ppb = (ppbind *)(cb+1);
1392 ppb->pErr = PP_noError;
1394 /* failures here don't lockout the connection */
1395 ppb->set_restrict = 0;
1397 /* Setup a callback so we can munge the result */
1399 cb->sc_response = ppolicy_compare_response;
1400 cb->sc_next = op->o_callback->sc_next;
1401 cb->sc_private = ppb;
1402 op->o_callback->sc_next = cb;
1404 op->o_bd->bd_info = (BackendInfo *)on;
1405 ppolicy_get( op, e, &ppb->pp );
1407 rc = account_locked( op, e, &ppb->pp, &ppb->mod );
1409 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1410 be_entry_release_r( op, e );
1413 ppb->pErr = PP_accountLocked;
1414 send_ldap_error( op, rs, LDAP_COMPARE_FALSE, NULL );
1418 return SLAP_CB_CONTINUE;
1426 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1427 pp_info *pi = on->on_bi.bi_private;
1432 if ( ppolicy_restrict( op, rs ) != SLAP_CB_CONTINUE )
1435 /* If this is a replica, assume the master checked everything */
1436 if ( be_shadow_update( op ))
1437 return SLAP_CB_CONTINUE;
1439 /* Check for password in entry */
1440 if ((pa = attr_find( op->oq_add.rs_e->e_attrs,
1441 slap_schema.si_ad_userPassword )))
1443 assert( pa->a_vals != NULL );
1444 assert( !BER_BVISNULL( &pa->a_vals[ 0 ] ) );
1446 if ( !BER_BVISNULL( &pa->a_vals[ 1 ] ) ) {
1447 send_ldap_error( op, rs, LDAP_CONSTRAINT_VIOLATION, "Password policy only allows one password value" );
1452 * new entry contains a password - if we're not the root user
1453 * then we need to check that the password fits in with the
1454 * security policy for the new entry.
1456 ppolicy_get( op, op->ora_e, &pp );
1457 if (pp.pwdCheckQuality > 0 && !be_isroot( op )) {
1458 struct berval *bv = &(pa->a_vals[0]);
1459 int rc, send_ctrl = 0;
1460 LDAPPasswordPolicyError pErr = PP_noError;
1463 /* Did we receive a password policy request control? */
1464 if ( op->o_ctrlflag[ppolicy_cid] ) {
1467 rc = check_password_quality( bv, &pp, &pErr, op->ora_e, &txt );
1468 if (rc != LDAP_SUCCESS) {
1469 LDAPControl **oldctrls = NULL;
1470 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1472 LDAPControl *ctrl = NULL;
1473 ctrl = create_passcontrol( op, -1, -1, pErr );
1474 oldctrls = add_passcontrol( op, rs, ctrl );
1476 send_ldap_error( op, rs, rc, txt ? txt : "Password fails quality checking policy" );
1481 ctrls_cleanup( op, rs, oldctrls );
1487 * A controversial bit. We hash cleartext
1488 * passwords provided via add and modify operations
1489 * You're not really supposed to do this, since
1490 * the X.500 model says "store attributes" as they
1491 * get provided. By default, this is what we do
1493 * But if the hash_passwords flag is set, we hash
1494 * any cleartext password attribute values via the
1495 * default password hashing scheme.
1497 if ((pi->hash_passwords) &&
1498 (password_scheme( &(pa->a_vals[0]), NULL ) != LDAP_SUCCESS)) {
1501 slap_passwd_hash( &(pa->a_vals[0]), &hpw, &txt );
1502 if (hpw.bv_val == NULL) {
1504 * hashing didn't work. Emit an error.
1506 rs->sr_err = LDAP_OTHER;
1508 send_ldap_error( op, rs, LDAP_OTHER, "Password hashing failed" );
1512 memset( pa->a_vals[0].bv_val, 0, pa->a_vals[0].bv_len);
1513 ber_memfree( pa->a_vals[0].bv_val );
1514 pa->a_vals[0].bv_val = hpw.bv_val;
1515 pa->a_vals[0].bv_len = hpw.bv_len;
1518 /* If password aging is in effect, set the pwdChangedTime */
1519 if ( pp.pwdMaxAge || pp.pwdMinAge ) {
1520 struct berval timestamp;
1521 char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
1522 time_t now = slap_get_time();
1524 timestamp.bv_val = timebuf;
1525 timestamp.bv_len = sizeof(timebuf);
1526 slap_timestamp( &now, ×tamp );
1528 attr_merge_one( op->ora_e, ad_pwdChangedTime, ×tamp, ×tamp );
1531 return SLAP_CB_CONTINUE;
1535 ppolicy_mod_cb( Operation *op, SlapReply *rs )
1537 slap_callback *sc = op->o_callback;
1538 op->o_callback = sc->sc_next;
1539 if ( rs->sr_err == LDAP_SUCCESS ) {
1540 ch_free( pwcons[op->o_conn->c_conn_idx].dn.bv_val );
1541 BER_BVZERO( &pwcons[op->o_conn->c_conn_idx].dn );
1543 op->o_tmpfree( sc, op->o_tmpmemctx );
1544 return SLAP_CB_CONTINUE;
1548 ppolicy_modify( Operation *op, SlapReply *rs )
1550 slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
1551 pp_info *pi = on->on_bi.bi_private;
1552 int i, rc, mod_pw_only, pwmod, pwmop = -1, deladd,
1555 Modifications *mods = NULL, *modtail = NULL,
1556 *ml, *delmod, *addmod;
1557 Attribute *pa, *ha, at;
1559 pw_hist *tl = NULL, *p;
1560 int zapReset, send_ctrl = 0, free_txt = 0;
1562 struct berval newpw = BER_BVNULL, oldpw = BER_BVNULL,
1564 LDAPPasswordPolicyError pErr = PP_noError;
1565 LDAPControl *ctrl = NULL;
1566 LDAPControl **oldctrls = NULL;
1569 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1570 rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &e );
1571 op->o_bd->bd_info = (BackendInfo *)on;
1573 if ( rc != LDAP_SUCCESS ) return SLAP_CB_CONTINUE;
1575 /* If this is a replica, we may need to tweak some of the
1576 * master's modifications. Otherwise, just pass it through.
1578 if ( be_shadow_update( op )) {
1579 Modifications **prev;
1580 int got_del_grace = 0, got_del_lock = 0, got_pw = 0, got_del_fail = 0;
1581 Attribute *a_grace, *a_lock, *a_fail;
1583 a_grace = attr_find( e->e_attrs, ad_pwdGraceUseTime );
1584 a_lock = attr_find( e->e_attrs, ad_pwdAccountLockedTime );
1585 a_fail = attr_find( e->e_attrs, ad_pwdFailureTime );
1587 for( prev = &op->orm_modlist, ml = *prev; ml; ml = *prev ) {
1589 if ( ml->sml_desc == slap_schema.si_ad_userPassword )
1592 /* If we're deleting an attr that didn't exist,
1593 * drop this delete op
1595 if ( ml->sml_op == LDAP_MOD_DELETE ) {
1598 if ( ml->sml_desc == ad_pwdGraceUseTime ) {
1603 if ( ml->sml_desc == ad_pwdAccountLockedTime ) {
1608 if ( ml->sml_desc == ad_pwdFailureTime ) {
1614 *prev = ml->sml_next;
1615 ml->sml_next = NULL;
1616 slap_mods_free( ml, 1 );
1620 prev = &ml->sml_next;
1623 /* If we're resetting the password, make sure grace, accountlock,
1624 * and failure also get removed.
1627 if ( a_grace && !got_del_grace ) {
1628 ml = (Modifications *) ch_malloc( sizeof( Modifications ) );
1629 ml->sml_op = LDAP_MOD_DELETE;
1630 ml->sml_flags = SLAP_MOD_INTERNAL;
1631 ml->sml_type.bv_val = NULL;
1632 ml->sml_desc = ad_pwdGraceUseTime;
1633 ml->sml_numvals = 0;
1634 ml->sml_values = NULL;
1635 ml->sml_nvalues = NULL;
1636 ml->sml_next = NULL;
1638 prev = &ml->sml_next;
1640 if ( a_lock && !got_del_lock ) {
1641 ml = (Modifications *) ch_malloc( sizeof( Modifications ) );
1642 ml->sml_op = LDAP_MOD_DELETE;
1643 ml->sml_flags = SLAP_MOD_INTERNAL;
1644 ml->sml_type.bv_val = NULL;
1645 ml->sml_desc = ad_pwdAccountLockedTime;
1646 ml->sml_numvals = 0;
1647 ml->sml_values = NULL;
1648 ml->sml_nvalues = NULL;
1649 ml->sml_next = NULL;
1652 if ( a_fail && !got_del_fail ) {
1653 ml = (Modifications *) ch_malloc( sizeof( Modifications ) );
1654 ml->sml_op = LDAP_MOD_DELETE;
1655 ml->sml_flags = SLAP_MOD_INTERNAL;
1656 ml->sml_type.bv_val = NULL;
1657 ml->sml_desc = ad_pwdFailureTime;
1658 ml->sml_numvals = 0;
1659 ml->sml_values = NULL;
1660 ml->sml_nvalues = NULL;
1661 ml->sml_next = NULL;
1665 op->o_bd->bd_info = (BackendInfo *)on->on_info;
1666 be_entry_release_r( op, e );
1667 return SLAP_CB_CONTINUE;
1670 /* Did we receive a password policy request control? */
1671 if ( op->o_ctrlflag[ppolicy_cid] ) {
1675 /* See if this is a pwdModify exop. If so, we can
1676 * access the plaintext passwords from that request.
1681 for ( sc = op->o_callback; sc; sc=sc->sc_next ) {
1682 if ( sc->sc_response == slap_null_cb &&
1684 req_pwdexop_s *qpw = sc->sc_private;
1685 newpw = qpw->rs_new;
1686 oldpw = qpw->rs_old;
1693 ppolicy_get( op, e, &pp );
1695 for ( ml = op->orm_modlist,
1696 pwmod = 0, mod_pw_only = 1,
1697 deladd = 0, delmod = NULL,
1700 ml != NULL; modtail = ml, ml = ml->sml_next )
1702 if ( ml->sml_desc == pp.ad ) {
1705 if ((deladd == 0) && (ml->sml_op == LDAP_MOD_DELETE) &&
1706 (ml->sml_values) && !BER_BVISNULL( &ml->sml_values[0] ))
1712 if ((ml->sml_op == LDAP_MOD_ADD) ||
1713 (ml->sml_op == LDAP_MOD_REPLACE))
1715 if ( ml->sml_values && !BER_BVISNULL( &ml->sml_values[0] )) {
1719 /* FIXME: there's no easy way to ensure
1720 * that add does not cause multiple
1721 * userPassword values; one way (that
1722 * would be consistent with the single
1723 * password constraint) would be to turn
1724 * add into replace); another would be
1727 * Let's check at least that a single value
1730 if ( addmod || !BER_BVISNULL( &ml->sml_values[ 1 ] ) ) {
1731 rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
1732 rs->sr_text = "Password policy only allows one password value";
1733 goto return_results;
1738 /* replace can have no values, add cannot */
1739 assert( ml->sml_op == LDAP_MOD_REPLACE );
1743 } else if ( !(ml->sml_flags & SLAP_MOD_INTERNAL) && !is_at_operational( ml->sml_desc->ad_type ) ) {
1745 /* modifying something other than password */
1749 * If there is a request to explicitly add a pwdReset
1750 * attribute, then we suppress the normal behaviour on
1751 * password change, which is to remove the pwdReset
1754 * This enables an administrator to assign a new password
1755 * and place a "must reset" flag on the entry, which will
1756 * stay until the user explicitly changes his/her password.
1758 if (ml->sml_desc == ad_pwdReset ) {
1759 if ((ml->sml_op == LDAP_MOD_ADD) ||
1760 (ml->sml_op == LDAP_MOD_REPLACE))
1765 if (!BER_BVISEMPTY( &pwcons[op->o_conn->c_conn_idx].dn ) && !mod_pw_only ) {
1766 if ( dn_match( &op->o_conn->c_ndn,
1767 &pwcons[op->o_conn->c_conn_idx].dn )) {
1768 Debug( LDAP_DEBUG_TRACE,
1769 "connection restricted to password changing only\n", 0, 0, 0 );
1770 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
1771 rs->sr_text = "Operations are restricted to bind/unbind/abandon/StartTLS/modify password";
1772 pErr = PP_changeAfterReset;
1773 goto return_results;
1775 ch_free( pwcons[op->o_conn->c_conn_idx].dn.bv_val );
1776 BER_BVZERO( &pwcons[op->o_conn->c_conn_idx].dn );
1781 * if we have a "safe password modify policy", then we need to check if we're doing
1782 * a delete (with the old password), followed by an add (with the new password).
1784 * If we got just a delete with nothing else, just let it go. We also skip all the checks if
1785 * the root user is bound. Root can do anything, including avoid the policies.
1788 if (!pwmod) goto do_modify;
1791 * Build the password history list in ascending time order
1792 * We need this, even if the user is root, in order to maintain
1793 * the pwdHistory operational attributes properly.
1795 if (addmod && pp.pwdInHistory > 0 && (ha = attr_find( e->e_attrs, ad_pwdHistory ))) {
1796 struct berval oldpw;
1799 for(i=0; ha->a_nvals[i].bv_val; i++) {
1800 rc = parse_pwdhistory( &(ha->a_nvals[i]), NULL,
1803 if (rc != LDAP_SUCCESS) continue; /* invalid history entry */
1806 add_to_pwd_history( &tl, oldtime, &oldpw,
1807 &(ha->a_nvals[i]) );
1808 oldpw.bv_val = NULL;
1812 for(p=tl; p; p=p->next, hsize++); /* count history size */
1815 if (be_isroot( op )) goto do_modify;
1817 /* NOTE: according to draft-behera-ldap-password-policy
1818 * pwdAllowUserChange == FALSE must only prevent pwd changes
1819 * by the user the pwd belongs to (ITS#7021) */
1820 if (!pp.pwdAllowUserChange && dn_match(&op->o_req_ndn, &op->o_ndn)) {
1821 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
1822 rs->sr_text = "User alteration of password is not allowed";
1823 pErr = PP_passwordModNotAllowed;
1824 goto return_results;
1827 /* Just deleting? */
1829 /* skip everything else */
1834 /* This is a pwdModify exop that provided the old pw.
1835 * We need to create a Delete mod for this old pw and
1836 * let the matching value get found later
1838 if (pp.pwdSafeModify && oldpw.bv_val ) {
1839 ml = (Modifications *)ch_calloc( sizeof( Modifications ), 1 );
1840 ml->sml_op = LDAP_MOD_DELETE;
1841 ml->sml_flags = SLAP_MOD_INTERNAL;
1842 ml->sml_desc = pp.ad;
1843 ml->sml_type = pp.ad->ad_cname;
1844 ml->sml_numvals = 1;
1845 ml->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
1846 ber_dupbv( &ml->sml_values[0], &oldpw );
1847 BER_BVZERO( &ml->sml_values[1] );
1848 ml->sml_next = op->orm_modlist;
1849 op->orm_modlist = ml;
1854 if (pp.pwdSafeModify && deladd != 2) {
1855 Debug( LDAP_DEBUG_TRACE,
1856 "change password must use DELETE followed by ADD/REPLACE\n",
1858 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
1859 rs->sr_text = "Must supply old password to be changed as well as new one";
1860 pErr = PP_mustSupplyOldPassword;
1861 goto return_results;
1864 /* Check age, but only if pwdReset is not TRUE */
1865 pa = attr_find( e->e_attrs, ad_pwdReset );
1866 if ((!pa || !bvmatch( &pa->a_nvals[0], &slap_true_bv )) &&
1868 time_t pwtime = (time_t)-1, now;
1871 if ((pa = attr_find( e->e_attrs, ad_pwdChangedTime )) != NULL)
1872 pwtime = parse_time( pa->a_nvals[0].bv_val );
1873 now = slap_get_time();
1874 age = (int)(now - pwtime);
1875 if ((pwtime != (time_t)-1) && (age < pp.pwdMinAge)) {
1876 rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
1877 rs->sr_text = "Password is too young to change";
1878 pErr = PP_passwordTooYoung;
1879 goto return_results;
1883 /* pa is used in password history check below, be sure it's set */
1884 if ((pa = attr_find( e->e_attrs, pp.ad )) != NULL && delmod) {
1886 * we have a password to check
1888 bv = oldpw.bv_val ? &oldpw : delmod->sml_values;
1889 /* FIXME: no access checking? */
1890 rc = slap_passwd_check( op, NULL, pa, bv, &txt );
1891 if (rc != LDAP_SUCCESS) {
1892 Debug( LDAP_DEBUG_TRACE,
1893 "old password check failed: %s\n", txt, 0, 0 );
1895 rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
1896 rs->sr_text = "Must supply correct old password to change to new one";
1897 pErr = PP_mustSupplyOldPassword;
1898 goto return_results;
1904 * replace the delete value with the (possibly hashed)
1905 * value which is currently in the password.
1907 for ( i = 0; !BER_BVISNULL( &delmod->sml_values[i] ); i++ ) {
1908 free( delmod->sml_values[i].bv_val );
1909 BER_BVZERO( &delmod->sml_values[i] );
1911 free( delmod->sml_values );
1912 delmod->sml_values = ch_calloc( sizeof(struct berval), 2 );
1913 BER_BVZERO( &delmod->sml_values[1] );
1914 ber_dupbv( &(delmod->sml_values[0]), &(pa->a_nvals[0]) );
1918 bv = newpw.bv_val ? &newpw : &addmod->sml_values[0];
1919 if (pp.pwdCheckQuality > 0) {
1921 rc = check_password_quality( bv, &pp, &pErr, e, (char **)&txt );
1922 if (rc != LDAP_SUCCESS) {
1928 rs->sr_text = "Password fails quality checking policy";
1930 goto return_results;
1934 /* If pwdInHistory is zero, passwords may be reused */
1935 if (pa && pp.pwdInHistory > 0) {
1937 * Last check - the password history.
1939 /* FIXME: no access checking? */
1940 if (slap_passwd_check( op, NULL, pa, bv, &txt ) == LDAP_SUCCESS) {
1942 * This is bad - it means that the user is attempting
1943 * to set the password to the same as the old one.
1945 rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
1946 rs->sr_text = "Password is not being changed from existing value";
1947 pErr = PP_passwordInHistory;
1948 goto return_results;
1952 * Iterate through the password history, and fail on any
1957 cr[1].bv_val = NULL;
1958 for(p=tl; p; p=p->next) {
1960 /* FIXME: no access checking? */
1961 rc = slap_passwd_check( op, NULL, &at, bv, &txt );
1963 if (rc != LDAP_SUCCESS) continue;
1965 rs->sr_err = LDAP_CONSTRAINT_VIOLATION;
1966 rs->sr_text = "Password is in history of old passwords";
1967 pErr = PP_passwordInHistory;
1968 goto return_results;
1974 struct berval timestamp;
1975 char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
1976 time_t now = slap_get_time();
1978 /* If the conn is restricted, set a callback to clear it
1979 * if the pwmod succeeds
1981 if (!BER_BVISEMPTY( &pwcons[op->o_conn->c_conn_idx].dn )) {
1982 slap_callback *sc = op->o_tmpcalloc( 1, sizeof( slap_callback ),
1984 sc->sc_next = op->o_callback;
1985 /* Must use sc_response to insure we reset on success, before
1986 * the client sees the response. Must use sc_cleanup to insure
1987 * that it gets cleaned up if sc_response is not called.
1989 sc->sc_response = ppolicy_mod_cb;
1990 sc->sc_cleanup = ppolicy_mod_cb;
1991 op->o_callback = sc;
1995 * keep the necessary pwd.. operational attributes
1999 timestamp.bv_val = timebuf;
2000 timestamp.bv_len = sizeof(timebuf);
2001 slap_timestamp( &now, ×tamp );
2004 if (pwmop != LDAP_MOD_DELETE) {
2005 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2006 mods->sml_op = LDAP_MOD_REPLACE;
2007 mods->sml_numvals = 1;
2008 mods->sml_values = (BerVarray) ch_malloc( 2 * sizeof( struct berval ) );
2009 ber_dupbv( &mods->sml_values[0], ×tamp );
2010 BER_BVZERO( &mods->sml_values[1] );
2011 assert( !BER_BVISNULL( &mods->sml_values[0] ) );
2012 } else if (attr_find(e->e_attrs, ad_pwdChangedTime )) {
2013 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2014 mods->sml_op = LDAP_MOD_DELETE;
2017 mods->sml_desc = ad_pwdChangedTime;
2018 mods->sml_flags = SLAP_MOD_INTERNAL;
2019 mods->sml_next = NULL;
2020 modtail->sml_next = mods;
2024 if (attr_find(e->e_attrs, ad_pwdGraceUseTime )) {
2025 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2026 mods->sml_op = LDAP_MOD_DELETE;
2027 mods->sml_desc = ad_pwdGraceUseTime;
2028 mods->sml_flags = SLAP_MOD_INTERNAL;
2029 mods->sml_next = NULL;
2030 modtail->sml_next = mods;
2034 if (attr_find(e->e_attrs, ad_pwdAccountLockedTime )) {
2035 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2036 mods->sml_op = LDAP_MOD_DELETE;
2037 mods->sml_desc = ad_pwdAccountLockedTime;
2038 mods->sml_flags = SLAP_MOD_INTERNAL;
2039 mods->sml_next = NULL;
2040 modtail->sml_next = mods;
2044 if (attr_find(e->e_attrs, ad_pwdFailureTime )) {
2045 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2046 mods->sml_op = LDAP_MOD_DELETE;
2047 mods->sml_desc = ad_pwdFailureTime;
2048 mods->sml_flags = SLAP_MOD_INTERNAL;
2049 mods->sml_next = NULL;
2050 modtail->sml_next = mods;
2054 /* Delete the pwdReset attribute, since it's being reset */
2055 if ((zapReset) && (attr_find(e->e_attrs, ad_pwdReset ))) {
2056 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2057 mods->sml_op = LDAP_MOD_DELETE;
2058 mods->sml_desc = ad_pwdReset;
2059 mods->sml_flags = SLAP_MOD_INTERNAL;
2060 mods->sml_next = NULL;
2061 modtail->sml_next = mods;
2065 if (pp.pwdInHistory > 0) {
2066 if (hsize >= pp.pwdInHistory) {
2068 * We use the >= operator, since we are going to add
2069 * the existing password attribute value into the
2070 * history - thus the cardinality of history values is
2071 * about to rise by one.
2073 * If this would push it over the limit of history
2074 * values (remembering - the password policy could have
2075 * changed since the password was last altered), we must
2076 * delete at least 1 value from the pwdHistory list.
2078 * In fact, we delete '(#pwdHistory attrs - max pwd
2079 * history length) + 1' values, starting with the oldest.
2080 * This is easily evaluated, since the linked list is
2081 * created in ascending time order.
2083 mods = (Modifications *) ch_calloc( sizeof( Modifications ), 1 );
2084 mods->sml_op = LDAP_MOD_DELETE;
2085 mods->sml_flags = SLAP_MOD_INTERNAL;
2086 mods->sml_desc = ad_pwdHistory;
2087 mods->sml_numvals = hsize - pp.pwdInHistory + 1;
2088 mods->sml_values = ch_calloc( sizeof( struct berval ),
2089 hsize - pp.pwdInHistory + 2 );
2090 BER_BVZERO( &mods->sml_values[ hsize - pp.pwdInHistory + 1 ] );
2091 for(i=0,p=tl; i < (hsize - pp.pwdInHistory + 1); i++, p=p->next) {
2092 BER_BVZERO( &mods->sml_values[i] );
2093 ber_dupbv( &(mods->sml_values[i]), &p->bv );
2095 mods->sml_next = NULL;
2096 modtail->sml_next = mods;
2099 free_pwd_history_list( &tl );
2102 * Now add the existing password into the history list.
2103 * This will be executed even if the operation is to delete
2104 * the password entirely.
2106 * This isn't in the spec explicitly, but it seems to make
2107 * sense that the password history list is the list of all
2108 * previous passwords - even if they were deleted. Thus, if
2109 * someone tries to add a historical password at some future
2110 * point, it will fail.
2112 if ((pa = attr_find( e->e_attrs, pp.ad )) != NULL) {
2113 mods = (Modifications *) ch_malloc( sizeof( Modifications ) );
2114 mods->sml_op = LDAP_MOD_ADD;
2115 mods->sml_flags = SLAP_MOD_INTERNAL;
2116 mods->sml_type.bv_val = NULL;
2117 mods->sml_desc = ad_pwdHistory;
2118 mods->sml_nvalues = NULL;
2119 mods->sml_numvals = 1;
2120 mods->sml_values = ch_calloc( sizeof( struct berval ), 2 );
2121 mods->sml_values[ 1 ].bv_val = NULL;
2122 mods->sml_values[ 1 ].bv_len = 0;
2123 make_pwd_history_value( timebuf, &mods->sml_values[0], pa );
2124 mods->sml_next = NULL;
2125 modtail->sml_next = mods;
2129 Debug( LDAP_DEBUG_TRACE,
2130 "ppolicy_modify: password attr lookup failed\n", 0, 0, 0 );
2135 * Controversial bit here. If the new password isn't hashed
2136 * (ie, is cleartext), we probably should hash it according
2137 * to the default hash. The reason for this is that we want
2138 * to use the policy if possible, but if we hash the password
2139 * before, then we're going to run into trouble when it
2140 * comes time to check the password.
2142 * Now, the right thing to do is to use the extended password
2143 * modify operation, but not all software can do this,
2144 * therefore it makes sense to hash the new password, now
2145 * we know it passes the policy requirements.
2147 * Of course, if the password is already hashed, then we
2151 if ((pi->hash_passwords) && (addmod) && !newpw.bv_val &&
2152 (password_scheme( &(addmod->sml_values[0]), NULL ) != LDAP_SUCCESS))
2154 struct berval hpw, bv;
2156 slap_passwd_hash( &(addmod->sml_values[0]), &hpw, &txt );
2157 if (hpw.bv_val == NULL) {
2159 * hashing didn't work. Emit an error.
2161 rs->sr_err = LDAP_OTHER;
2163 goto return_results;
2165 bv = addmod->sml_values[0];
2166 /* clear and discard the clear password */
2167 memset(bv.bv_val, 0, bv.bv_len);
2168 ber_memfree(bv.bv_val);
2169 addmod->sml_values[0] = hpw;
2172 op->o_bd->bd_info = (BackendInfo *)on->on_info;
2173 be_entry_release_r( op, e );
2174 return SLAP_CB_CONTINUE;
2177 free_pwd_history_list( &tl );
2178 op->o_bd->bd_info = (BackendInfo *)on->on_info;
2179 be_entry_release_r( op, e );
2181 ctrl = create_passcontrol( op, -1, -1, pErr );
2182 oldctrls = add_passcontrol( op, rs, ctrl );
2184 send_ldap_result( op, rs );
2186 free( (char *)txt );
2191 if ( rs->sr_flags & REP_CTRLS_MUSTBEFREED ) {
2192 op->o_tmpfree( oldctrls, op->o_tmpmemctx );
2195 rs->sr_flags |= REP_CTRLS_MUSTBEFREED;
2198 ctrls_cleanup( op, rs, oldctrls );
2210 if ( !BER_BVISNULL( &ctrl->ldctl_value ) ) {
2211 rs->sr_text = "passwordPolicyRequest control value not absent";
2212 return LDAP_PROTOCOL_ERROR;
2214 op->o_ctrlflag[ppolicy_cid] = ctrl->ldctl_iscritical
2215 ? SLAP_CONTROL_CRITICAL
2216 : SLAP_CONTROL_NONCRITICAL;
2218 return LDAP_SUCCESS;
2228 AttributeDescription *ad = NULL;
2232 code = slap_bv2ad( val, &ad, &err );
2234 ber_dupbv_x( out, &ad->ad_type->sat_cname, ctx );
2248 AttributeDescription *ad = NULL;
2252 code = slap_bv2ad( val, &ad, &err );
2254 ber_str2bv_x( ad->ad_type->sat_oid, 0, 1, out, ctx );
2265 slap_overinst *on = (slap_overinst *) be->bd_info;
2267 if ( SLAP_ISGLOBALOVERLAY( be ) ) {
2268 /* do not allow slapo-ppolicy to be global by now (ITS#5858) */
2270 snprintf( cr->msg, sizeof(cr->msg),
2271 "slapo-ppolicy cannot be global" );
2272 Debug( LDAP_DEBUG_ANY, "%s\n", cr->msg, 0, 0 );
2277 /* Has User Schema been initialized yet? */
2278 if ( !pwd_UsSchema[0].ad[0] ) {
2282 for (i=0; pwd_UsSchema[i].def; i++) {
2283 code = slap_str2ad( pwd_UsSchema[i].def, pwd_UsSchema[i].ad, &err );
2286 snprintf( cr->msg, sizeof(cr->msg),
2287 "User Schema load failed for attribute \"%s\". Error code %d: %s",
2288 pwd_UsSchema[i].def, code, err );
2289 Debug( LDAP_DEBUG_ANY, "%s\n", cr->msg, 0, 0 );
2298 syn = ch_malloc( sizeof( Syntax ));
2299 *syn = *ad_pwdAttribute->ad_type->sat_syntax;
2300 syn->ssyn_pretty = attrPretty;
2301 ad_pwdAttribute->ad_type->sat_syntax = syn;
2303 mr = ch_malloc( sizeof( MatchingRule ));
2304 *mr = *ad_pwdAttribute->ad_type->sat_equality;
2305 mr->smr_normalize = attrNormalize;
2306 ad_pwdAttribute->ad_type->sat_equality = mr;
2310 on->on_bi.bi_private = ch_calloc( sizeof(pp_info), 1 );
2312 if ( dtblsize && !pwcons ) {
2313 /* accommodate for c_conn_idx == -1 */
2314 pwcons = ch_calloc( sizeof(pw_conn), dtblsize + 1 );
2329 return overlay_register_control( be, LDAP_CONTROL_PASSWORDPOLICYREQUEST );
2338 #ifdef SLAP_CONFIG_DELETE
2339 overlay_unregister_control( be, LDAP_CONTROL_PASSWORDPOLICYREQUEST );
2340 #endif /* SLAP_CONFIG_DELETE */
2351 slap_overinst *on = (slap_overinst *) be->bd_info;
2352 pp_info *pi = on->on_bi.bi_private;
2354 on->on_bi.bi_private = NULL;
2355 free( pi->def_policy.bv_val );
2359 if ( ov_count <=0 && pwcons ) {
2360 pw_conn *pwc = pwcons;
2368 static char *extops[] = {
2369 LDAP_EXOP_MODIFY_PASSWD,
2373 static slap_overinst ppolicy;
2375 int ppolicy_initialize()
2379 for (i=0; pwd_OpSchema[i].def; i++) {
2380 code = register_at( pwd_OpSchema[i].def, pwd_OpSchema[i].ad, 0 );
2382 Debug( LDAP_DEBUG_ANY,
2383 "ppolicy_initialize: register_at failed\n", 0, 0, 0 );
2386 /* Allow Manager to set these as needed */
2387 if ( is_at_no_user_mod( (*pwd_OpSchema[i].ad)->ad_type )) {
2388 (*pwd_OpSchema[i].ad)->ad_type->sat_flags |=
2393 code = register_supported_control( LDAP_CONTROL_PASSWORDPOLICYREQUEST,
2394 SLAP_CTRL_ADD|SLAP_CTRL_BIND|SLAP_CTRL_MODIFY|SLAP_CTRL_HIDE, extops,
2395 ppolicy_parseCtrl, &ppolicy_cid );
2396 if ( code != LDAP_SUCCESS ) {
2397 Debug( LDAP_DEBUG_ANY, "Failed to register control %d\n", code, 0, 0 );
2401 ldap_pvt_thread_mutex_init( &chk_syntax_mutex );
2403 ppolicy.on_bi.bi_type = "ppolicy";
2404 ppolicy.on_bi.bi_db_init = ppolicy_db_init;
2405 ppolicy.on_bi.bi_db_open = ppolicy_db_open;
2406 ppolicy.on_bi.bi_db_close = ppolicy_db_close;
2407 ppolicy.on_bi.bi_db_destroy = ppolicy_db_destroy;
2409 ppolicy.on_bi.bi_op_add = ppolicy_add;
2410 ppolicy.on_bi.bi_op_bind = ppolicy_bind;
2411 ppolicy.on_bi.bi_op_compare = ppolicy_compare;
2412 ppolicy.on_bi.bi_op_delete = ppolicy_restrict;
2413 ppolicy.on_bi.bi_op_modify = ppolicy_modify;
2414 ppolicy.on_bi.bi_op_search = ppolicy_restrict;
2415 ppolicy.on_bi.bi_connection_destroy = ppolicy_connection_destroy;
2417 ppolicy.on_bi.bi_cf_ocs = ppolicyocs;
2418 code = config_register_schema( ppolicycfg, ppolicyocs );
2419 if ( code ) return code;
2421 return overlay_register( &ppolicy );
2424 #if SLAPD_OVER_PPOLICY == SLAPD_MOD_DYNAMIC
2425 int init_module(int argc, char *argv[]) {
2426 return ppolicy_initialize();
2430 #endif /* defined(SLAPD_OVER_PPOLICY) */