3 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
10 #include <ac/stdlib.h>
11 #include <ac/string.h>
18 #ifdef HAVE_CYRUS_SASL
21 #ifdef HAVE_SASL_SASL_H
22 #include <sasl/sasl.h>
27 #if SASL_VERSION_MAJOR >= 2
29 #define SASL_CONST const
40 /* Flags for telling slap_sasl_getdn() what type of identity is being passed */
41 #define FLAG_GETDN_FINAL 1
42 #define FLAG_GETDN_AUTHCID 2
43 #define FLAG_GETDN_AUTHZID 4
45 static sasl_security_properties_t sasl_secprops;
53 Connection *conn = context;
57 if ( message == NULL ) {
62 #if SASL_VERSION_MAJOR >= 2
64 level = LDAP_DEBUG_NONE;
68 level = LDAP_DEBUG_ANY;
72 level = LDAP_DEBUG_ANY;
76 level = LDAP_DEBUG_TRACE;
80 level = LDAP_DEBUG_TRACE;
84 level = LDAP_DEBUG_TRACE;
88 level = LDAP_DEBUG_TRACE;
92 level = LDAP_DEBUG_TRACE;
93 label = "Password Trace";
97 level = LDAP_DEBUG_ANY;
100 case SASL_LOG_WARNING:
101 level = LDAP_DEBUG_TRACE;
105 level = LDAP_DEBUG_TRACE;
110 return SASL_BADPARAM;
114 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
115 "SASL [conn=%ld] %s: %s\n",
116 conn ? conn->c_connid : -1,
119 Debug( level, "SASL [conn=%ld] %s: %s\n",
120 conn ? conn->c_connid: -1,
129 /* Take any sort of identity string and return a DN with the "dn:" prefix. The
130 string returned in *dn is in its own allocated memory, and must be free'd
131 by the calling process.
132 -Mark Adamson, Carnegie Mellon
138 static struct berval ext_bv = { sizeof("EXTERNAL")-1, "EXTERNAL" };
140 int slap_sasl_getdn( Connection *conn, char *id, int len,
141 char *user_realm, struct berval *dn, int flags )
149 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
150 "slap_sasl_getdn: conn %d id=%s\n",
151 conn ? conn->c_connid : -1,
152 id ? (*id ? id : "<empty>") : "NULL" ));
154 Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: id=%s\n",
155 id?(*id?id:"<empty>"):"NULL",0,0 );
161 /* Blatantly anonymous ID */
163 ( id[sizeof( "anonymous" )-1] == '\0'
164 || id[sizeof( "anonymous" )-1] == '@' ) &&
165 !strncasecmp( id, "anonymous", sizeof( "anonymous" )-1) ) {
166 return( LDAP_SUCCESS );
168 ctx = conn->c_sasl_context;
169 if ( len == 0 ) len = strlen( id );
171 /* An authcID needs to be converted to authzID form */
172 if( flags & FLAG_GETDN_AUTHCID ) {
173 if( sasl_external_x509dn_convert
174 && conn->c_sasl_bind_mech.bv_len == ext_bv.bv_len
175 && ( strcasecmp( ext_bv.bv_val, conn->c_sasl_bind_mech.bv_val ) == 0 )
178 /* check SASL external for X.509 style DN and */
179 /* convert to dn:<dn> form */
180 dnDCEnormalize( id, dn );
184 /* convert to u:<username> form */
185 ber_str2bv( id, len, 1, dn );
190 if( !strncasecmp( id, "u:", sizeof("u:")-1 )) {
192 ber_str2bv( id+2, len-2, 1, dn );
193 } else if ( !strncasecmp( id, "dn:", sizeof("dn:")-1) ) {
195 ber_str2bv( id+3, len-3, 1, dn );
199 /* An authzID must be properly prefixed */
200 if( (flags & FLAG_GETDN_AUTHZID) && !is_dn ) {
204 return( LDAP_INAPPROPRIATE_AUTH );
207 /* Username strings */
208 if( is_dn == SET_U ) {
210 len = dn->bv_len + sizeof("uid=")-1 + sizeof(",cn=auth")-1;
212 if( user_realm && *user_realm ) {
213 len += strlen( user_realm ) + sizeof(",cn=")-1;
216 if( conn->c_sasl_bind_mech.bv_len ) {
217 len += conn->c_sasl_bind_mech.bv_len + sizeof(",cn=")-1;
220 /* Build the new dn */
222 dn->bv_val = ch_malloc( len+1 );
223 p = slap_strcopy( dn->bv_val, "uid=" );
224 p = slap_strcopy( p, c1 );
227 if( user_realm && *user_realm ) {
228 p = slap_strcopy( p, ",cn=" );
229 p = slap_strcopy( p, user_realm );
231 if( conn->c_sasl_bind_mech.bv_len ) {
232 p = slap_strcopy( p, ",cn=" );
233 p = slap_strcopy( p, conn->c_sasl_bind_mech.bv_val );
235 p = slap_strcopy( p, ",cn=auth" );
236 dn->bv_len = p - dn->bv_val;
240 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
241 "slap_sasl_getdn: u:id converted to %s.\n", dn->bv_val ));
243 Debug( LDAP_DEBUG_TRACE, "getdn: u:id converted to %s\n", dn->bv_val,0,0 );
247 /* DN strings that are a cn=auth identity to run through regexp */
248 if( is_dn == SET_DN && ( ( flags & FLAG_GETDN_FINAL ) == 0 ) )
250 slap_sasl2dn( dn, &dn2 );
252 ch_free( dn->bv_val );
255 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
256 "slap_sasl_getdn: dn:id converted to %s.\n", dn->bv_val ));
258 Debug( LDAP_DEBUG_TRACE, "getdn: dn:id converted to %s\n",
264 if( flags & FLAG_GETDN_FINAL ) {
265 /* omit "dn:" prefix */
268 rc = dnNormalize2( NULL, dn, &dn2 );
270 if ( rc != LDAP_SUCCESS ) {
277 /* Attach the "dn:" prefix if needed */
278 if ( is_dn == SET_DN ) {
279 c1 = ch_malloc( dn->bv_len + sizeof("dn:") );
281 strcpy( c1 + 3, dn->bv_val );
287 return( LDAP_SUCCESS );
290 #if SASL_VERSION_MAJOR >= 2
295 const char *username,
298 struct propctx *propctx)
300 Connection *conn = (Connection *)context;
301 struct berval dn, cred;
305 cred.bv_val = (char *)pass;
306 cred.bv_len = passlen;
308 /* XXX do we need to check sasldb as well? */
310 /* XXX can we do both steps at once? */
311 rc = slap_sasl_getdn( conn, (char *)username, 0, NULL, &dn,
312 FLAG_GETDN_AUTHCID | FLAG_GETDN_FINAL );
313 if ( rc != LDAP_SUCCESS ) {
314 sasl_seterror( sconn, 0, ldap_err2string( rc ) );
318 if ( dn.bv_len == 0 ) {
319 sasl_seterror( sconn, 0,
320 "No password is associated with the Root DSE" );
321 if ( dn.bv_val != NULL ) {
322 ch_free( dn.bv_val );
327 rc = backend_attribute( NULL, NULL, NULL, NULL, &dn,
328 slap_schema.si_ad_userPassword, &vals);
329 if ( rc != LDAP_SUCCESS ) {
330 ch_free( dn.bv_val );
331 sasl_seterror( sconn, 0, ldap_err2string( rc ) );
332 return SASL_NOVERIFY;
337 if ( vals != NULL ) {
338 for ( bv = vals; bv->bv_val != NULL; bv++ ) {
339 if ( !lutil_passwd( bv, &cred, NULL ) ) {
344 ber_bvarray_free( vals );
347 if ( rc != SASL_OK ) {
348 sasl_seterror( sconn, 0,
349 ldap_err2string( LDAP_INVALID_CREDENTIALS ) );
352 ch_free( dn.bv_val );
357 #if 0 /* CANON isn't for what you think it does. */
359 slap_sasl_canonicalize(
365 const char *user_realm,
370 Connection *conn = (Connection *)context;
377 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
378 "slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
379 conn ? conn->c_connid : -1,
380 (flags == SASL_CU_AUTHID) ? "authcid" : "authzid",
381 in ? in : "<empty>" ));
383 Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: "
385 conn ? conn->c_connid : -1,
386 (flags == SASL_CU_AUTHID) ? "authcid" : "authzid",
387 in ? in : "<empty>" );
390 rc = slap_sasl_getdn( conn, (char *)in, inlen, (char *)user_realm, &dn,
391 (flags == SASL_CU_AUTHID) ? FLAG_GETDN_AUTHCID : FLAG_GETDN_AUTHZID );
392 if ( rc != LDAP_SUCCESS ) {
393 sasl_seterror( sconn, 0, ldap_err2string( rc ) );
397 if ( out_max < dn.bv_len ) {
401 AC_MEMCPY( out, dn.bv_val, dn.bv_len );
402 out[dn.bv_len] = '\0';
404 *out_len = dn.bv_len;
406 ch_free( dn.bv_val );
409 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
410 "slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
411 conn ? conn->c_connid : -1,
412 (flags == SASL_CU_AUTHID) ? "authcDN" : "authzDN",
415 Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: "
417 conn ? conn->c_connid : -1,
418 (flags == SASL_CU_AUTHID) ? "authcDN" : "authzDN",
426 #define CANON_BUF_SIZE 256 /* from saslint.h */
432 char *requested_user,
436 const char *def_realm,
438 struct propctx *propctx)
440 Connection *conn = (Connection *)context;
441 struct berval authcDN, authzDN;
443 int rc, equal = 1, ext = 0;
446 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
447 "slap_sasl_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n",
448 conn ? conn->c_connid : -1, auth_identity, requested_user));
450 Debug( LDAP_DEBUG_ARGS, "SASL Authorize [conn=%ld]: "
451 "authcid=\"%s\" authzid=\"%s\"\n",
452 conn ? conn->c_connid : -1, auth_identity, requested_user );
455 if ( requested_user )
456 equal = !strcmp( auth_identity, requested_user );
458 /* If using SASL-EXTERNAL, don't modify the ID in any way */
459 if ( conn->c_sasl_bind_mech.bv_len == ext_bv.bv_len
460 && ( strcasecmp( ext_bv.bv_val, conn->c_sasl_bind_mech.bv_val ) == 0 )
461 && auth_identity[0] == '/' ) {
465 /* Else look for an embedded realm in the name */
466 realm = strchr( auth_identity, '@' );
467 if ( realm ) *realm++ = '\0';
470 rc = slap_sasl_getdn( conn, auth_identity, alen, realm ? realm : (char *)def_realm,
471 &authcDN, FLAG_GETDN_AUTHCID );
475 if ( rc != LDAP_SUCCESS ) {
476 sasl_seterror( sconn, 0, ldap_err2string( rc ) );
481 if ( authcDN.bv_len > CANON_BUF_SIZE ) {
482 free( authcDN.bv_val );
485 AC_MEMCPY( requested_user, authcDN.bv_val, authcDN.bv_len );
493 realm = strchr( requested_user, '@' );
494 if ( realm ) *realm++ = '\0';
497 rc = slap_sasl_getdn( conn, requested_user, rlen, realm ? realm : (char *)def_realm,
498 &authzDN, FLAG_GETDN_AUTHZID );
502 if ( rc != LDAP_SUCCESS ) {
503 free( authcDN.bv_val );
504 sasl_seterror( sconn, 0, ldap_err2string( rc ) );
508 if (authzDN.bv_len > CANON_BUF_SIZE) {
509 free( authcDN.bv_val );
510 free( authzDN.bv_val );
514 rc = slap_sasl_authorized( &authcDN, &authzDN );
515 free( authcDN.bv_val );
516 if ( rc != LDAP_SUCCESS ) {
518 LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
519 "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n",
520 (long)(conn ? conn->c_connid : -1), rc ));
522 Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
523 " authorization disallowed (%d)\n",
524 (long) (conn ? conn->c_connid : -1), rc, 0 );
527 sasl_seterror( sconn, 0, "not authorized" );
528 free( authzDN.bv_val );
531 AC_MEMCPY( requested_user, authzDN.bv_val, authzDN.bv_len );
532 free( authzDN.bv_val );
535 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
536 "slap_sasl_authorize: conn %d authorization allowed\n",
537 (long)(conn ? conn->c_connid : -1 ) ));
539 Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
540 " authorization allowed\n",
541 (long) (conn ? conn->c_connid : -1), 0, 0 );
555 struct berval authcDN, authzDN;
557 Connection *conn = context;
558 char *realm, *xrealm;
563 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
564 "slap_sasl_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n",
565 conn ? conn->c_connid : -1,
566 authcid ? authcid : "<empty>",
567 authzid ? authzid : "<empty>" ));
569 Debug( LDAP_DEBUG_ARGS, "SASL Authorize [conn=%ld]: "
570 "authcid=\"%s\" authzid=\"%s\"\n",
571 (long) (conn ? conn->c_connid : -1),
572 authcid ? authcid : "<empty>",
573 authzid ? authzid : "<empty>" );
576 /* Figure out how much data we have for the dn */
577 rc = sasl_getprop( conn->c_sasl_context, SASL_REALM, (void **)&realm );
578 if( rc != SASL_OK && rc != SASL_NOTDONE ) {
580 LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
581 "slap_sasl_authorize: getprop(REALM) failed.\n" ));
583 Debug(LDAP_DEBUG_TRACE,
584 "authorize: getprop(REALM) failed!\n", 0,0,0);
586 *errstr = "Could not extract realm";
590 /* Convert the identities to DN's. If no authzid was given, client will
591 be bound as the DN matching their username */
592 if ( conn->c_sasl_bind_mech.bv_len == ext_bv.bv_len
593 && ( strcasecmp( ext_bv.bv_val, conn->c_sasl_bind_mech.bv_val ) == 0 )
594 && authcid[0] == '/' ) {
598 xrealm = strchr( authcid, '@' );
599 if ( xrealm ) *xrealm++ = '\0';
601 rc = slap_sasl_getdn( conn, (char *)authcid, 0, xrealm ? xrealm : realm, &authcDN, FLAG_GETDN_AUTHCID );
602 if ( xrealm ) xrealm[-1] = '@';
603 if( rc != LDAP_SUCCESS ) {
604 *errstr = ldap_err2string( rc );
607 if( ( authzid == NULL ) || !strcmp( authcid,authzid ) ) {
609 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
610 "slap_sasl_authorize: conn %d Using authcDN=%s\n",
611 conn ? conn->c_connid : -1, authcDN.bv_val ));
613 Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
614 "Using authcDN=%s\n", (long) (conn ? conn->c_connid : -1), authcDN.bv_val,0 );
617 *user = authcDN.bv_val;
624 xrealm = strchr( authzid, '@' );
625 if ( xrealm ) *xrealm++ = '\0';
627 rc = slap_sasl_getdn( conn, (char *)authzid, 0, xrealm ? xrealm : realm, &authzDN, FLAG_GETDN_AUTHZID );
628 if ( xrealm ) xrealm[-1] = '@';
629 if( rc != LDAP_SUCCESS ) {
630 ch_free( authcDN.bv_val );
631 *errstr = ldap_err2string( rc );
635 rc = slap_sasl_authorized( &authcDN, &authzDN );
638 LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
639 "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n",
640 (long)(conn ? conn->c_connid : -1), rc ));
642 Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
643 " authorization disallowed (%d)\n",
644 (long) (conn ? conn->c_connid : -1), rc, 0 );
647 *errstr = "not authorized";
648 ch_free( authcDN.bv_val );
649 ch_free( authzDN.bv_val );
654 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
655 "slap_sasl_authorize: conn %d authorization allowed\n",
656 (long)(conn ? conn->c_connid : -1 ) ));
658 Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
659 " authorization allowed\n",
660 (long) (conn ? conn->c_connid : -1), 0, 0 );
664 ch_free( authcDN.bv_val );
665 *user = authzDN.bv_val;
669 #endif /* SASL_VERSION_MAJOR >= 2 */
672 slap_sasl_err2ldap( int saslerr )
678 rc = LDAP_SASL_BIND_IN_PROGRESS;
687 rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
690 rc = LDAP_INVALID_CREDENTIALS;
693 rc = LDAP_INSUFFICIENT_ACCESS;
697 rc = LDAP_INAPPROPRIATE_AUTH;
709 int slap_sasl_init( void )
711 #ifdef HAVE_CYRUS_SASL
713 static sasl_callback_t server_callbacks[] = {
714 { SASL_CB_LOG, &slap_sasl_log, NULL },
715 { SASL_CB_LIST_END, NULL, NULL }
725 ldap_pvt_sasl_mutex_new,
726 ldap_pvt_sasl_mutex_lock,
727 ldap_pvt_sasl_mutex_unlock,
728 ldap_pvt_sasl_mutex_dispose );
730 /* should provide callbacks for logging */
731 /* server name should be configurable */
732 rc = sasl_server_init( server_callbacks, "slapd" );
734 if( rc != SASL_OK ) {
736 LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
737 "slap_sasl_init: init failed.\n" ));
739 Debug( LDAP_DEBUG_ANY, "sasl_server_init failed\n",
747 LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
748 "slap_sasl_init: initialized!\n"));
750 Debug( LDAP_DEBUG_TRACE, "slap_sasl_init: initialized!\n",
755 /* default security properties */
756 memset( &sasl_secprops, '\0', sizeof(sasl_secprops) );
757 sasl_secprops.max_ssf = INT_MAX;
758 sasl_secprops.maxbufsize = 65536;
759 sasl_secprops.security_flags = SASL_SEC_NOPLAINTEXT|SASL_SEC_NOANONYMOUS;
765 int slap_sasl_destroy( void )
767 #ifdef HAVE_CYRUS_SASL
776 int slap_sasl_open( Connection *conn )
778 int cb, sc = LDAP_SUCCESS;
779 #if SASL_VERSION_MAJOR >= 2
780 char *ipremoteport = NULL, *iplocalport = NULL;
783 #ifdef HAVE_CYRUS_SASL
784 sasl_conn_t *ctx = NULL;
785 sasl_callback_t *session_callbacks;
787 assert( conn->c_sasl_context == NULL );
788 assert( conn->c_sasl_extra == NULL );
790 conn->c_sasl_layers = 0;
793 #if SASL_VERSION_MAJOR >= 2
794 ch_calloc( 5, sizeof(sasl_callback_t));
796 ch_calloc( 3, sizeof(sasl_callback_t));
798 conn->c_sasl_extra = session_callbacks;
800 session_callbacks[cb=0].id = SASL_CB_LOG;
801 session_callbacks[cb].proc = &slap_sasl_log;
802 session_callbacks[cb++].context = conn;
804 session_callbacks[cb].id = SASL_CB_PROXY_POLICY;
805 session_callbacks[cb].proc = &slap_sasl_authorize;
806 session_callbacks[cb++].context = conn;
808 #if SASL_VERSION_MAJOR >= 2
809 #if 0 /* CANON isn't for what you think it does. */
810 session_callbacks[cb].id = SASL_CB_CANON_USER;
811 session_callbacks[cb].proc = &slap_sasl_canonicalize;
812 session_callbacks[cb++].context = conn;
815 /* XXXX: this should be conditional */
816 session_callbacks[cb].id = SASL_CB_SERVER_USERDB_CHECKPASS;
817 session_callbacks[cb].proc = &slap_sasl_checkpass;
818 session_callbacks[cb++].context = conn;
821 session_callbacks[cb].id = SASL_CB_LIST_END;
822 session_callbacks[cb].proc = NULL;
823 session_callbacks[cb++].context = NULL;
825 if( global_host == NULL ) {
826 global_host = ldap_pvt_get_fqdn( NULL );
829 /* create new SASL context */
830 #if SASL_VERSION_MAJOR >= 2
831 if ( conn->c_sock_name.bv_len != 0 &&
832 strncmp( conn->c_sock_name.bv_val, "IP=", 3 ) == 0) {
835 iplocalport = ch_strdup( conn->c_sock_name.bv_val + 3 );
836 /* Convert IPv6 addresses to address;port syntax. */
837 p = strrchr( iplocalport, ' ' );
838 /* Convert IPv4 addresses to address;port syntax. */
839 if ( p == NULL ) p = strchr( iplocalport, ':' );
844 if ( conn->c_peer_name.bv_len != 0 &&
845 strncmp( conn->c_peer_name.bv_val, "IP=", 3 ) == 0) {
848 ipremoteport = ch_strdup( conn->c_peer_name.bv_val + 3 );
849 /* Convert IPv6 addresses to address;port syntax. */
850 p = strrchr( ipremoteport, ' ' );
851 /* Convert IPv4 addresses to address;port syntax. */
852 if ( p == NULL ) p = strchr( ipremoteport, ':' );
857 sc = sasl_server_new( "ldap", global_host, global_realm,
858 iplocalport, ipremoteport, session_callbacks, 0, &ctx );
859 if ( iplocalport != NULL ) {
860 ch_free( iplocalport );
862 if ( ipremoteport != NULL ) {
863 ch_free( ipremoteport );
866 sc = sasl_server_new( "ldap", global_host, global_realm,
867 session_callbacks, SASL_SECURITY_LAYER, &ctx );
870 if( sc != SASL_OK ) {
872 LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
873 "slap_sasl_open: sasl_server_new failed: %d\n", sc ));
875 Debug( LDAP_DEBUG_ANY, "sasl_server_new failed: %d\n",
882 conn->c_sasl_context = ctx;
884 if( sc == SASL_OK ) {
885 sc = sasl_setprop( ctx,
886 SASL_SEC_PROPS, &sasl_secprops );
888 if( sc != SASL_OK ) {
890 LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
891 "slap_sasl_open: sasl_setprop failed: %d \n", sc ));
893 Debug( LDAP_DEBUG_ANY, "sasl_setprop failed: %d\n",
897 slap_sasl_close( conn );
902 sc = slap_sasl_err2ldap( sc );
907 int slap_sasl_external(
910 const char *auth_id )
912 #if SASL_VERSION_MAJOR >= 2
914 sasl_conn_t *ctx = conn->c_sasl_context;
917 return LDAP_UNAVAILABLE;
920 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
922 if ( sc != SASL_OK ) {
926 sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL, auth_id );
928 if ( sc != SASL_OK ) {
932 #elif defined(HAVE_CYRUS_SASL)
934 sasl_conn_t *ctx = conn->c_sasl_context;
935 sasl_external_properties_t extprops;
938 return LDAP_UNAVAILABLE;
941 memset( &extprops, '\0', sizeof(extprops) );
943 extprops.auth_id = (char *) auth_id;
945 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
946 (void *) &extprops );
948 if ( sc != SASL_OK ) {
956 int slap_sasl_reset( Connection *conn )
958 #ifdef HAVE_CYRUS_SASL
959 sasl_conn_t *ctx = conn->c_sasl_context;
964 /* must return "anonymous" */
968 char ** slap_sasl_mechs( Connection *conn )
972 #ifdef HAVE_CYRUS_SASL
973 sasl_conn_t *ctx = conn->c_sasl_context;
977 SASL_CONST char *mechstr;
979 sc = sasl_listmech( ctx,
980 NULL, NULL, ",", NULL,
981 &mechstr, NULL, NULL );
983 if( sc != SASL_OK ) {
985 LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
986 "slap_sasl_mechs: sasl_listmech failed: %d\n", sc ));
988 Debug( LDAP_DEBUG_ANY, "slap_sasl_listmech failed: %d\n",
995 mechs = str2charray( mechstr, "," );
997 #if SASL_VERSION_MAJOR < 2
1006 int slap_sasl_close( Connection *conn )
1008 #ifdef HAVE_CYRUS_SASL
1009 sasl_conn_t *ctx = conn->c_sasl_context;
1012 sasl_dispose( &ctx );
1015 conn->c_sasl_context = NULL;
1017 free( conn->c_sasl_extra );
1018 conn->c_sasl_extra = NULL;
1021 return LDAP_SUCCESS;
1029 struct berval *cred,
1035 #ifdef HAVE_CYRUS_SASL
1036 sasl_conn_t *ctx = conn->c_sasl_context;
1037 struct berval response;
1038 unsigned reslen = 0;
1039 const char *errstr = NULL;
1043 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
1044 "sasl_bind: conn %ld dn=\"%s\" mech=%s datalen=%ld\n",
1046 dn->bv_len ? dn->bv_val : "",
1047 conn->c_sasl_bind_in_progress ? "<continuing>" : conn->c_sasl_bind_mech.bv_val,
1048 cred ? cred->bv_len : 0 ));
1050 Debug(LDAP_DEBUG_ARGS,
1051 "==> sasl_bind: dn=\"%s\" mech=%s datalen=%ld\n",
1052 dn->bv_len ? dn->bv_val : "",
1053 conn->c_sasl_bind_in_progress ? "<continuing>":conn->c_sasl_bind_mech.bv_val,
1054 cred ? cred->bv_len : 0 );
1059 send_ldap_result( conn, op, LDAP_UNAVAILABLE,
1060 NULL, "SASL unavailable on this session", NULL, NULL );
1064 #if SASL_VERSION_MAJOR >= 2
1065 #define START( ctx, mech, cred, clen, resp, rlen, err ) \
1066 sasl_server_start( ctx, mech, cred, clen, resp, rlen )
1067 #define STEP( ctx, cred, clen, resp, rlen, err ) \
1068 sasl_server_step( ctx, cred, clen, resp, rlen )
1070 #define START( ctx, mech, cred, clen, resp, rlen, err ) \
1071 sasl_server_start( ctx, mech, cred, clen, resp, rlen, err )
1072 #define STEP( ctx, cred, clen, resp, rlen, err ) \
1073 sasl_server_step( ctx, cred, clen, resp, rlen, err )
1076 if ( !conn->c_sasl_bind_in_progress ) {
1078 conn->c_sasl_bind_mech.bv_val,
1079 cred->bv_len ? cred->bv_val : "",
1081 (SASL_CONST char **)&response.bv_val, &reslen, &errstr );
1085 cred->bv_val, cred->bv_len,
1086 (SASL_CONST char **)&response.bv_val, &reslen, &errstr );
1089 response.bv_len = reslen;
1091 if ( sc == SASL_OK ) {
1092 char *username = NULL;
1095 #if SASL_VERSION_MAJOR >= 2
1096 sc = sasl_getprop( ctx, SASL_DEFUSERREALM, (const void **)&realm );
1098 sc = sasl_getprop( ctx, SASL_REALM, (void **)&realm );
1100 sc = sasl_getprop( ctx,
1101 SASL_USERNAME, (SASL_CONST void **)&username );
1103 if ( sc != SASL_OK ) {
1105 LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
1106 "slap_sasl_bind: getprop(USERNAME) failed: %d\n", sc ));
1108 Debug(LDAP_DEBUG_TRACE,
1109 "slap_sasl_bind: getprop(USERNAME) failed!\n",
1114 send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
1115 NULL, "no SASL username", NULL, NULL );
1118 rc = slap_sasl_getdn( conn, username, 0, realm, edn, FLAG_GETDN_FINAL );
1120 if( rc == LDAP_SUCCESS ) {
1121 sasl_ssf_t *ssf = NULL;
1122 (void) sasl_getprop( ctx, SASL_SSF, (void *)&ssf );
1123 *ssfp = ssf ? *ssf : 0;
1126 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
1127 conn->c_sasl_layers++;
1128 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
1131 send_ldap_sasl( conn, op, rc,
1132 NULL, NULL, NULL, NULL,
1133 response.bv_len ? &response : NULL );
1136 #if SASL_VERSION_MAJOR >= 2
1137 errstr = sasl_errdetail( ctx );
1139 send_ldap_result( conn, op, rc,
1140 NULL, errstr, NULL, NULL );
1144 } else if ( sc == SASL_CONTINUE ) {
1145 send_ldap_sasl( conn, op, rc = LDAP_SASL_BIND_IN_PROGRESS,
1146 NULL, NULL, NULL, NULL, &response );
1149 #if SASL_VERSION_MAJOR >= 2
1150 errstr = sasl_errdetail( ctx );
1152 send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
1153 NULL, errstr, NULL, NULL );
1156 #if SASL_VERSION_MAJOR < 2
1157 if( response.bv_len ) {
1158 ch_free( response.bv_val );
1163 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
1164 "slap_sasl_bind: rc=%d\n", rc ));
1166 Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rc, 0, 0);
1171 send_ldap_result( conn, op, rc = LDAP_UNAVAILABLE,
1172 NULL, "SASL not supported", NULL, NULL );
1178 char* slap_sasl_secprops( const char *in )
1180 #ifdef HAVE_CYRUS_SASL
1181 int rc = ldap_pvt_sasl_secprops( in, &sasl_secprops );
1183 return rc == LDAP_SUCCESS ? NULL : "Invalid security properties";
1185 return "SASL not supported";