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,
141 char *user_realm, struct berval *dn, int flags )
144 int rc, len, is_dn = 0;
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;
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 dn->bv_val = ldap_dcedn2dn( id );
181 dn->bv_len = strlen(dn->bv_val);
185 /* convert to u:<username> form */
186 ber_str2bv( id, len, 1, dn );
191 if( !strncasecmp( id, "u:", sizeof("u:")-1 )) {
193 ber_str2bv( id+2, len-2, 1, dn );
194 } else if ( !strncasecmp( id, "dn:", sizeof("dn:")-1) ) {
196 ber_str2bv( id+3, len-3, 1, dn );
200 /* An authzID must be properly prefixed */
201 if( (flags & FLAG_GETDN_AUTHZID) && !is_dn ) {
205 return( LDAP_INAPPROPRIATE_AUTH );
208 /* Username strings */
209 if( is_dn == SET_U ) {
211 len = dn->bv_len + sizeof("uid=")-1 + sizeof(",cn=auth")-1;
213 if( user_realm && *user_realm ) {
214 len += strlen( user_realm ) + sizeof(",cn=")-1;
217 if( conn->c_sasl_bind_mech.bv_len ) {
218 len += conn->c_sasl_bind_mech.bv_len + sizeof(",cn=")-1;
221 /* Build the new dn */
223 dn->bv_val = ch_malloc( len );
224 p = slap_strcopy( dn->bv_val, "uid=" );
225 p = slap_strcopy( p, c1 );
229 p = slap_strcopy( p, ",cn=" );
230 p = slap_strcopy( p, user_realm );
232 if( conn->c_sasl_bind_mech.bv_len ) {
233 p = slap_strcopy( p, ",cn=" );
234 p = slap_strcopy( p, conn->c_sasl_bind_mech.bv_val );
236 p = slap_strcopy( p, ",cn=auth" );
237 dn->bv_len = p - dn->bv_val;
241 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
242 "slap_sasl_getdn: u:id converted to %s.\n", dn->bv_val ));
244 Debug( LDAP_DEBUG_TRACE, "getdn: u:id converted to %s\n", dn->bv_val,0,0 );
248 /* DN strings that are a cn=auth identity to run through regexp */
249 if( is_dn == SET_DN && ( ( flags & FLAG_GETDN_FINAL ) == 0 ) )
251 slap_sasl2dn( dn, &dn2 );
253 ch_free( dn->bv_val );
256 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
257 "slap_sasl_getdn: dn:id converted to %s.\n", dn->bv_val ));
259 Debug( LDAP_DEBUG_TRACE, "getdn: dn:id converted to %s\n",
265 if( flags & FLAG_GETDN_FINAL ) {
266 /* omit "dn:" prefix */
269 rc = dnNormalize2( NULL, dn, &dn2 );
271 if ( rc != LDAP_SUCCESS ) {
278 /* Attach the "dn:" prefix if needed */
279 if ( is_dn == SET_DN ) {
280 c1 = ch_malloc( dn->bv_len + sizeof("dn:") );
282 strcpy( c1 + 3, dn->bv_val );
288 return( LDAP_SUCCESS );
291 #if SASL_VERSION_MAJOR >= 2
296 const char *username,
299 struct propctx *propctx)
301 Connection *conn = (Connection *)context;
302 struct berval dn, cred;
306 cred.bv_val = (char *)pass;
307 cred.bv_len = passlen;
309 /* XXX can we do both steps at once? */
310 rc = slap_sasl_getdn( conn, (char *)username, NULL, &dn,
311 FLAG_GETDN_AUTHCID | FLAG_GETDN_FINAL );
312 if ( rc != LDAP_SUCCESS ) {
313 sasl_seterror( sconn, 0, ldap_err2string( rc ) );
317 if ( dn.bv_len == 0 ) {
318 sasl_seterror( sconn, 0,
319 "No password is associated with the Root DSE" );
320 if ( dn.bv_val != NULL ) {
321 ch_free( dn.bv_val );
326 rc = backend_attribute( NULL, NULL, NULL, NULL, &dn,
327 slap_schema.si_ad_userPassword, &vals);
328 if ( rc != LDAP_SUCCESS ) {
329 ch_free( dn.bv_val );
330 sasl_seterror( sconn, 0, ldap_err2string( rc ) );
331 return SASL_NOVERIFY;
336 if ( vals != NULL ) {
337 for ( bv = vals; bv->bv_val != NULL; bv++ ) {
338 if ( !lutil_passwd( bv, &cred, NULL ) ) {
343 ber_bvarray_free( vals );
346 if ( rc != SASL_OK ) {
347 sasl_seterror( sconn, 0,
348 ldap_err2string( LDAP_INVALID_CREDENTIALS ) );
351 ch_free( dn.bv_val );
357 slap_sasl_canonicalize(
363 const char *user_realm,
368 Connection *conn = (Connection *)context;
375 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
376 "slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
377 conn ? conn->c_connid : -1,
378 (flags == SASL_CU_AUTHID) ? "authcid" : "authzid",
379 in ? in : "<empty>" ));
381 Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: "
383 conn ? conn->c_connid : -1,
384 (flags == SASL_CU_AUTHID) ? "authcid" : "authzid",
385 in ? in : "<empty>" );
388 rc = slap_sasl_getdn( conn, (char *)in, (char *)user_realm, &dn,
389 (flags == SASL_CU_AUTHID) ? FLAG_GETDN_AUTHCID : FLAG_GETDN_AUTHZID );
390 if ( rc != LDAP_SUCCESS ) {
391 sasl_seterror( sconn, 0, ldap_err2string( rc ) );
395 if ( out_max < dn.bv_len ) {
399 AC_MEMCPY( out, dn.bv_val, dn.bv_len );
400 out[dn.bv_len] = '\0';
402 *out_len = dn.bv_len;
404 ch_free( dn.bv_val );
407 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
408 "slap_sasl_canonicalize: conn %d %s=\"%s\"\n",
409 conn ? conn->c_connid : -1,
410 (flags == SASL_CU_AUTHID) ? "authcDN" : "authzDN",
413 Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: "
415 conn ? conn->c_connid : -1,
416 (flags == SASL_CU_AUTHID) ? "authcDN" : "authzDN",
427 const char *requested_user,
429 const char *auth_identity,
431 const char *def_realm,
433 struct propctx *propctx)
435 Connection *conn = (Connection *)context;
436 struct berval authcDN, authzDN;
439 authcDN.bv_val = (char *)auth_identity;
440 authcDN.bv_len = alen;
442 authzDN.bv_val = (char *)requested_user;
443 authzDN.bv_len = rlen;
446 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
447 "slap_sasl_authorize: conn %d authcDN=\"%s\" authzDN=\"%s\"\n",
448 conn ? conn->c_connid : -1, authcDN.bv_val, authzDN.bv_val));
450 Debug( LDAP_DEBUG_ARGS, "SASL Authorize [conn=%ld]: "
451 "authcDN=\"%s\" authzDN=\"%s\"\n",
452 conn ? conn->c_connid : -1, authcDN.bv_val, authzDN.bv_val );
455 rc = slap_sasl_authorized( &authcDN, &authzDN );
456 if ( rc != LDAP_SUCCESS ) {
458 LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
459 "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n",
460 (long)(conn ? conn->c_connid : -1), rc ));
462 Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
463 " authorization disallowed (%d)\n",
464 (long) (conn ? conn->c_connid : -1), rc, 0 );
467 sasl_seterror( sconn, 0, "not authorized" );
472 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
473 "slap_sasl_authorize: conn %d authorization allowed\n",
474 (long)(conn ? conn->c_connid : -1 ) ));
476 Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
477 " authorization allowed\n",
478 (long) (conn ? conn->c_connid : -1), 0, 0 );
492 struct berval authcDN, authzDN;
494 Connection *conn = context;
500 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
501 "slap_sasl_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n",
502 conn ? conn->c_connid : -1,
503 authcid ? authcid : "<empty>",
504 authzid ? authzid : "<empty>" ));
506 Debug( LDAP_DEBUG_ARGS, "SASL Authorize [conn=%ld]: "
507 "authcid=\"%s\" authzid=\"%s\"\n",
508 (long) (conn ? conn->c_connid : -1),
509 authcid ? authcid : "<empty>",
510 authzid ? authzid : "<empty>" );
513 /* Figure out how much data we have for the dn */
514 rc = sasl_getprop( conn->c_sasl_context, SASL_REALM, (void **)&realm );
515 if( rc != SASL_OK && rc != SASL_NOTDONE ) {
517 LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
518 "slap_sasl_authorize: getprop(REALM) failed.\n" ));
520 Debug(LDAP_DEBUG_TRACE,
521 "authorize: getprop(REALM) failed!\n", 0,0,0);
523 *errstr = "Could not extract realm";
527 /* Convert the identities to DN's. If no authzid was given, client will
528 be bound as the DN matching their username */
529 rc = slap_sasl_getdn( conn, (char *)authcid, realm, &authcDN, FLAG_GETDN_AUTHCID );
530 if( rc != LDAP_SUCCESS ) {
531 *errstr = ldap_err2string( rc );
534 if( ( authzid == NULL ) || !strcmp( authcid,authzid ) ) {
536 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
537 "slap_sasl_authorize: conn %d Using authcDN=%s\n",
538 conn ? conn->c_connid : -1, authcDN.bv_val ));
540 Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
541 "Using authcDN=%s\n", (long) (conn ? conn->c_connid : -1), authcDN.bv_val,0 );
544 *user = authcDN.bv_val;
548 rc = slap_sasl_getdn( conn, (char *)authzid, realm, &authzDN, FLAG_GETDN_AUTHZID );
549 if( rc != LDAP_SUCCESS ) {
550 ch_free( authcDN.bv_val );
551 *errstr = ldap_err2string( rc );
555 rc = slap_sasl_authorized( &authcDN, &authzDN );
558 LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
559 "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n",
560 (long)(conn ? conn->c_connid : -1), rc ));
562 Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
563 " authorization disallowed (%d)\n",
564 (long) (conn ? conn->c_connid : -1), rc, 0 );
567 *errstr = "not authorized";
568 ch_free( authcDN.bv_val );
569 ch_free( authzDN.bv_val );
574 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
575 "slap_sasl_authorize: conn %d authorization allowed\n",
576 (long)(conn ? conn->c_connid : -1 ) ));
578 Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
579 " authorization allowed\n",
580 (long) (conn ? conn->c_connid : -1), 0, 0 );
584 ch_free( authcDN.bv_val );
585 *user = authzDN.bv_val;
589 #endif /* SASL_VERSION_MAJOR >= 2 */
592 slap_sasl_err2ldap( int saslerr )
598 rc = LDAP_SASL_BIND_IN_PROGRESS;
607 rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
610 rc = LDAP_INVALID_CREDENTIALS;
613 rc = LDAP_INSUFFICIENT_ACCESS;
617 rc = LDAP_INAPPROPRIATE_AUTH;
629 int slap_sasl_init( void )
631 #ifdef HAVE_CYRUS_SASL
633 static sasl_callback_t server_callbacks[] = {
634 { SASL_CB_LOG, &slap_sasl_log, NULL },
635 { SASL_CB_LIST_END, NULL, NULL }
645 ldap_pvt_sasl_mutex_new,
646 ldap_pvt_sasl_mutex_lock,
647 ldap_pvt_sasl_mutex_unlock,
648 ldap_pvt_sasl_mutex_dispose );
650 /* should provide callbacks for logging */
651 /* server name should be configurable */
652 rc = sasl_server_init( server_callbacks, "slapd" );
654 if( rc != SASL_OK ) {
656 LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
657 "slap_sasl_init: init failed.\n" ));
659 Debug( LDAP_DEBUG_ANY, "sasl_server_init failed\n",
667 LDAP_LOG(( "sasl", LDAP_LEVEL_INFO,
668 "slap_sasl_init: initialized!\n"));
670 Debug( LDAP_DEBUG_TRACE, "slap_sasl_init: initialized!\n",
675 /* default security properties */
676 memset( &sasl_secprops, '\0', sizeof(sasl_secprops) );
677 sasl_secprops.max_ssf = INT_MAX;
678 sasl_secprops.maxbufsize = 65536;
679 sasl_secprops.security_flags = SASL_SEC_NOPLAINTEXT|SASL_SEC_NOANONYMOUS;
685 int slap_sasl_destroy( void )
687 #ifdef HAVE_CYRUS_SASL
696 int slap_sasl_open( Connection *conn )
698 int cb, sc = LDAP_SUCCESS;
699 #if SASL_VERSION_MAJOR >= 2
700 char *ipremoteport = NULL, *iplocalport = NULL;
703 #ifdef HAVE_CYRUS_SASL
704 sasl_conn_t *ctx = NULL;
705 sasl_callback_t *session_callbacks;
707 assert( conn->c_sasl_context == NULL );
708 assert( conn->c_sasl_extra == NULL );
710 conn->c_sasl_layers = 0;
713 #if SASL_VERSION_MAJOR >= 2
714 ch_calloc( 5, sizeof(sasl_callback_t));
716 ch_calloc( 3, sizeof(sasl_callback_t));
718 conn->c_sasl_extra = session_callbacks;
720 session_callbacks[cb=0].id = SASL_CB_LOG;
721 session_callbacks[cb].proc = &slap_sasl_log;
722 session_callbacks[cb++].context = conn;
724 session_callbacks[cb].id = SASL_CB_PROXY_POLICY;
725 session_callbacks[cb].proc = &slap_sasl_authorize;
726 session_callbacks[cb++].context = conn;
728 #if SASL_VERSION_MAJOR >= 2
729 session_callbacks[cb].id = SASL_CB_CANON_USER;
730 session_callbacks[cb].proc = &slap_sasl_canonicalize;
731 session_callbacks[cb++].context = conn;
733 /* XXXX: this should be conditional */
734 session_callbacks[cb].id = SASL_CB_SERVER_USERDB_CHECKPASS;
735 session_callbacks[cb].proc = &slap_sasl_checkpass;
736 session_callbacks[cb++].context = conn;
739 session_callbacks[cb].id = SASL_CB_LIST_END;
740 session_callbacks[cb].proc = NULL;
741 session_callbacks[cb++].context = NULL;
743 if( global_host == NULL ) {
744 global_host = ldap_pvt_get_fqdn( NULL );
747 /* create new SASL context */
748 #if SASL_VERSION_MAJOR >= 2
749 if ( conn->c_sock_name.bv_len != 0 &&
750 strncmp( conn->c_sock_name.bv_val, "IP=", 3 ) == 0) {
753 iplocalport = ch_strdup( conn->c_sock_name.bv_val + 3 );
754 /* Convert IPv6 addresses to address;port syntax. */
755 p = strrchr( iplocalport, ' ' );
760 if ( conn->c_peer_name.bv_len != 0 &&
761 strncmp( conn->c_peer_name.bv_val, "IP=", 3 ) == 0) {
764 ipremoteport = ch_strdup( conn->c_peer_name.bv_val + 3 );
765 /* Convert IPv6 addresses to address;port syntax. */
766 p = strrchr( ipremoteport, ' ' );
771 sc = sasl_server_new( "ldap", global_host, global_realm,
772 iplocalport, ipremoteport, session_callbacks, 0, &ctx );
773 if ( iplocalport != NULL ) {
774 ch_free( iplocalport );
776 if ( ipremoteport != NULL ) {
777 ch_free( ipremoteport );
780 sc = sasl_server_new( "ldap", global_host, global_realm,
781 session_callbacks, SASL_SECURITY_LAYER, &ctx );
784 if( sc != SASL_OK ) {
786 LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
787 "slap_sasl_open: sasl_server_new failed: %d\n", sc ));
789 Debug( LDAP_DEBUG_ANY, "sasl_server_new failed: %d\n",
796 conn->c_sasl_context = ctx;
798 if( sc == SASL_OK ) {
799 sc = sasl_setprop( ctx,
800 SASL_SEC_PROPS, &sasl_secprops );
802 if( sc != SASL_OK ) {
804 LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
805 "slap_sasl_open: sasl_setprop failed: %d \n", sc ));
807 Debug( LDAP_DEBUG_ANY, "sasl_setprop failed: %d\n",
811 slap_sasl_close( conn );
816 sc = slap_sasl_err2ldap( sc );
821 int slap_sasl_external(
824 const char *auth_id )
826 #if SASL_VERSION_MAJOR >= 2
828 sasl_conn_t *ctx = conn->c_sasl_context;
831 return LDAP_UNAVAILABLE;
834 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
836 if ( sc != SASL_OK ) {
840 sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL, auth_id );
842 if ( sc != SASL_OK ) {
846 #elif defined(HAVE_CYRUS_SASL)
848 sasl_conn_t *ctx = conn->c_sasl_context;
849 sasl_external_properties_t extprops;
852 return LDAP_UNAVAILABLE;
855 memset( &extprops, '\0', sizeof(extprops) );
857 extprops.auth_id = (char *) auth_id;
859 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
860 (void *) &extprops );
862 if ( sc != SASL_OK ) {
870 int slap_sasl_reset( Connection *conn )
872 #ifdef HAVE_CYRUS_SASL
873 sasl_conn_t *ctx = conn->c_sasl_context;
878 /* must return "anonymous" */
882 char ** slap_sasl_mechs( Connection *conn )
886 #ifdef HAVE_CYRUS_SASL
887 sasl_conn_t *ctx = conn->c_sasl_context;
891 SASL_CONST char *mechstr;
893 sc = sasl_listmech( ctx,
894 NULL, NULL, ",", NULL,
895 &mechstr, NULL, NULL );
897 if( sc != SASL_OK ) {
899 LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
900 "slap_sasl_mechs: sasl_listmech failed: %d\n", sc ));
902 Debug( LDAP_DEBUG_ANY, "slap_sasl_listmech failed: %d\n",
909 mechs = str2charray( mechstr, "," );
911 #if SASL_VERSION_MAJOR < 2
920 int slap_sasl_close( Connection *conn )
922 #ifdef HAVE_CYRUS_SASL
923 sasl_conn_t *ctx = conn->c_sasl_context;
926 sasl_dispose( &ctx );
929 conn->c_sasl_context = NULL;
931 free( conn->c_sasl_extra );
932 conn->c_sasl_extra = NULL;
949 #ifdef HAVE_CYRUS_SASL
950 sasl_conn_t *ctx = conn->c_sasl_context;
951 struct berval response;
953 const char *errstr = NULL;
957 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
958 "sasl_bind: conn %ld dn=\"%s\" mech=%s datalen=%ld\n",
960 dn->bv_len ? dn->bv_val : "",
961 conn->c_sasl_bind_in_progress ? "<continuing>" : conn->c_sasl_bind_mech.bv_val,
962 cred ? cred->bv_len : 0 ));
964 Debug(LDAP_DEBUG_ARGS,
965 "==> sasl_bind: dn=\"%s\" mech=%s datalen=%ld\n",
966 dn->bv_len ? dn->bv_val : "",
967 conn->c_sasl_bind_in_progress ? "<continuing>":conn->c_sasl_bind_mech.bv_val,
968 cred ? cred->bv_len : 0 );
973 send_ldap_result( conn, op, LDAP_UNAVAILABLE,
974 NULL, "SASL unavailable on this session", NULL, NULL );
978 #if SASL_VERSION_MAJOR >= 2
979 #define START( ctx, mech, cred, clen, resp, rlen, err ) \
980 sasl_server_start( ctx, mech, cred, clen, resp, rlen )
981 #define STEP( ctx, cred, clen, resp, rlen, err ) \
982 sasl_server_step( ctx, cred, clen, resp, rlen )
984 #define START( ctx, mech, cred, clen, resp, rlen, err ) \
985 sasl_server_start( ctx, mech, cred, clen, resp, rlen, err )
986 #define STEP( ctx, cred, clen, resp, rlen, err ) \
987 sasl_server_step( ctx, cred, clen, resp, rlen, err )
990 if ( !conn->c_sasl_bind_in_progress ) {
992 conn->c_sasl_bind_mech.bv_val,
993 cred->bv_len ? cred->bv_val : "",
995 (SASL_CONST char **)&response.bv_val, &reslen, &errstr );
999 cred->bv_val, cred->bv_len,
1000 (SASL_CONST char **)&response.bv_val, &reslen, &errstr );
1003 response.bv_len = reslen;
1005 if ( sc == SASL_OK ) {
1006 char *username = NULL;
1009 #if SASL_VERSION_MAJOR >= 2
1010 sc = sasl_getprop( ctx, SASL_DEFUSERREALM, (const void **)&realm );
1012 sc = sasl_getprop( ctx, SASL_REALM, (void **)&realm );
1014 sc = sasl_getprop( ctx,
1015 SASL_USERNAME, (SASL_CONST void **)&username );
1017 if ( sc != SASL_OK ) {
1019 LDAP_LOG(( "sasl", LDAP_LEVEL_ERR,
1020 "slap_sasl_bind: getprop(USERNAME) failed: %d\n", sc ));
1022 Debug(LDAP_DEBUG_TRACE,
1023 "slap_sasl_bind: getprop(USERNAME) failed!\n",
1028 send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
1029 NULL, "no SASL username", NULL, NULL );
1032 rc = slap_sasl_getdn( conn, username, realm, edn, FLAG_GETDN_FINAL );
1034 if( rc == LDAP_SUCCESS ) {
1035 sasl_ssf_t *ssf = NULL;
1036 (void) sasl_getprop( ctx, SASL_SSF, (void *)&ssf );
1037 *ssfp = ssf ? *ssf : 0;
1040 ldap_pvt_thread_mutex_lock( &conn->c_mutex );
1041 conn->c_sasl_layers++;
1042 ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
1045 send_ldap_sasl( conn, op, rc,
1046 NULL, NULL, NULL, NULL,
1047 response.bv_len ? &response : NULL );
1050 send_ldap_result( conn, op, rc,
1051 NULL, errstr, NULL, NULL );
1055 } else if ( sc == SASL_CONTINUE ) {
1056 send_ldap_sasl( conn, op, rc = LDAP_SASL_BIND_IN_PROGRESS,
1057 NULL, NULL, NULL, NULL, &response );
1060 send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
1061 NULL, errstr, NULL, NULL );
1064 #if SASL_VERSION_MAJOR < 2
1065 if( response.bv_len ) {
1066 ch_free( response.bv_val );
1071 LDAP_LOG(( "sasl", LDAP_LEVEL_ENTRY,
1072 "slap_sasl_bind: rc=%d\n", rc ));
1074 Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rc, 0, 0);
1079 send_ldap_result( conn, op, rc = LDAP_UNAVAILABLE,
1080 NULL, "SASL not supported", NULL, NULL );
1086 char* slap_sasl_secprops( const char *in )
1088 #ifdef HAVE_CYRUS_SASL
1089 int rc = ldap_pvt_sasl_secprops( in, &sasl_secprops );
1091 return rc == LDAP_SUCCESS ? NULL : "Invalid security properties";
1093 return "SASL not supported";