2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 * Copyright 1998-2005 The OpenLDAP Foundation.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted only as authorized by the OpenLDAP
11 * A copy of this license is available in the file LICENSE in the
12 * top-level directory of the distribution or, alternatively, at
13 * <http://www.OpenLDAP.org/license.html>.
20 #include <ac/socket.h>
21 #include <ac/stdlib.h>
22 #include <ac/string.h>
26 #include <ac/unistd.h>
30 #ifdef HAVE_CYRUS_SASL
33 ldap_pvt_thread_mutex_t ldap_int_sasl_mutex;
36 #ifdef HAVE_SASL_SASL_H
37 #include <sasl/sasl.h>
42 #if SASL_VERSION_MAJOR >= 2
43 #define SASL_CONST const
49 * Various Cyrus SASL related stuff.
52 static const sasl_callback_t client_callbacks[] = {
53 #ifdef SASL_CB_GETREALM
54 { SASL_CB_GETREALM, NULL, NULL },
56 { SASL_CB_USER, NULL, NULL },
57 { SASL_CB_AUTHNAME, NULL, NULL },
58 { SASL_CB_PASS, NULL, NULL },
59 { SASL_CB_ECHOPROMPT, NULL, NULL },
60 { SASL_CB_NOECHOPROMPT, NULL, NULL },
61 { SASL_CB_LIST_END, NULL, NULL }
64 int ldap_int_sasl_init( void )
66 /* XXX not threadsafe */
67 static int sasl_initialized = 0;
69 #ifdef HAVE_SASL_VERSION
70 /* stringify the version number, sasl.h doesn't do it for us */
71 #define VSTR0(maj, min, pat) #maj "." #min "." #pat
72 #define VSTR(maj, min, pat) VSTR0(maj, min, pat)
73 #define SASL_VERSION_STRING VSTR(SASL_VERSION_MAJOR, SASL_VERSION_MINOR, \
76 sasl_version( NULL, &rc );
77 if ( ((rc >> 16) != ((SASL_VERSION_MAJOR << 8)|SASL_VERSION_MINOR)) ||
78 (rc & 0xffff) < SASL_VERSION_STEP) {
79 char version[sizeof("xxx.xxx.xxxxx")];
80 sprintf( version, "%u.%d.%d", (unsigned)rc >> 24, (rc >> 16) & 0xff,
84 LDAP_LOG( TRANSPORT, INFO,
85 "ldap_int_sasl_init: SASL library version mismatch:"
86 " expected " SASL_VERSION_STRING ","
87 " got %s\n", version, 0, 0 );
89 Debug( LDAP_DEBUG_ANY,
90 "ldap_int_sasl_init: SASL library version mismatch:"
91 " expected " SASL_VERSION_STRING ","
92 " got %s\n", version, 0, 0 );
98 if ( sasl_initialized ) {
102 /* SASL 2 takes care of its own memory completely internally */
103 #if SASL_VERSION_MAJOR < 2 && !defined(CSRIMALLOC)
109 #endif /* CSRIMALLOC */
111 #ifdef LDAP_R_COMPILE
113 ldap_pvt_sasl_mutex_new,
114 ldap_pvt_sasl_mutex_lock,
115 ldap_pvt_sasl_mutex_unlock,
116 ldap_pvt_sasl_mutex_dispose );
119 if ( sasl_client_init( NULL ) == SASL_OK ) {
120 sasl_initialized = 1;
124 #if SASL_VERSION_MAJOR < 2
125 /* A no-op to make sure we link with Cyrus 1.5 */
126 sasl_client_auth( NULL, NULL, NULL, 0, NULL, NULL );
132 * SASL encryption support for LBER Sockbufs
135 struct sb_sasl_data {
136 sasl_conn_t *sasl_context;
137 unsigned *sasl_maxbuf;
138 Sockbuf_Buf sec_buf_in;
144 sb_sasl_setup( Sockbuf_IO_Desc *sbiod, void *arg )
146 struct sb_sasl_data *p;
148 assert( sbiod != NULL );
150 p = LBER_MALLOC( sizeof( *p ) );
153 p->sasl_context = (sasl_conn_t *)arg;
154 ber_pvt_sb_buf_init( &p->sec_buf_in );
155 ber_pvt_sb_buf_init( &p->buf_in );
156 ber_pvt_sb_buf_init( &p->buf_out );
157 if ( ber_pvt_sb_grow_buffer( &p->sec_buf_in, SASL_MIN_BUFF_SIZE ) < 0 ) {
162 sasl_getprop( p->sasl_context, SASL_MAXOUTBUF,
163 (SASL_CONST void **) &p->sasl_maxbuf );
165 sbiod->sbiod_pvt = p;
171 sb_sasl_remove( Sockbuf_IO_Desc *sbiod )
173 struct sb_sasl_data *p;
175 assert( sbiod != NULL );
177 p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
178 #if SASL_VERSION_MAJOR >= 2
180 * SASLv2 encode/decode buffers are managed by
181 * libsasl2. Ensure they are not freed by liblber.
183 p->buf_in.buf_base = NULL;
184 p->buf_out.buf_base = NULL;
186 ber_pvt_sb_buf_destroy( &p->sec_buf_in );
187 ber_pvt_sb_buf_destroy( &p->buf_in );
188 ber_pvt_sb_buf_destroy( &p->buf_out );
190 sbiod->sbiod_pvt = NULL;
195 sb_sasl_pkt_length( const unsigned char *buf, int debuglevel )
199 assert( buf != NULL );
206 if ( size > SASL_MAX_BUFF_SIZE ) {
207 /* somebody is trying to mess me up. */
208 ber_log_printf( LDAP_DEBUG_ANY, debuglevel,
209 "sb_sasl_pkt_length: received illegal packet length "
210 "of %lu bytes\n", (unsigned long)size );
211 size = 16; /* this should lead to an error. */
214 return size + 4; /* include the size !!! */
217 /* Drop a processed packet from the input buffer */
219 sb_sasl_drop_packet ( Sockbuf_Buf *sec_buf_in, int debuglevel )
223 len = sec_buf_in->buf_ptr - sec_buf_in->buf_end;
225 AC_MEMCPY( sec_buf_in->buf_base, sec_buf_in->buf_base +
226 sec_buf_in->buf_end, len );
229 sec_buf_in->buf_end = sb_sasl_pkt_length(
230 (unsigned char *) sec_buf_in->buf_base, debuglevel);
233 sec_buf_in->buf_end = 0;
235 sec_buf_in->buf_ptr = len;
239 sb_sasl_read( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
241 struct sb_sasl_data *p;
242 ber_slen_t ret, bufptr;
244 assert( sbiod != NULL );
245 assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
247 p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
249 /* Are there anything left in the buffer? */
250 ret = ber_pvt_sb_copy_out( &p->buf_in, buf, len );
257 #if SASL_VERSION_MAJOR >= 2
258 ber_pvt_sb_buf_init( &p->buf_in );
260 ber_pvt_sb_buf_destroy( &p->buf_in );
263 /* Read the length of the packet */
264 while ( p->sec_buf_in.buf_ptr < 4 ) {
265 ret = LBER_SBIOD_READ_NEXT( sbiod, p->sec_buf_in.buf_base +
266 p->sec_buf_in.buf_ptr,
267 4 - p->sec_buf_in.buf_ptr );
269 if ( ( ret < 0 ) && ( errno == EINTR ) )
273 return bufptr ? bufptr : ret;
275 p->sec_buf_in.buf_ptr += ret;
278 /* The new packet always starts at p->sec_buf_in.buf_base */
279 ret = sb_sasl_pkt_length( (unsigned char *) p->sec_buf_in.buf_base,
280 sbiod->sbiod_sb->sb_debug );
282 /* Grow the packet buffer if neccessary */
283 if ( ( p->sec_buf_in.buf_size < (ber_len_t) ret ) &&
284 ber_pvt_sb_grow_buffer( &p->sec_buf_in, ret ) < 0 )
289 p->sec_buf_in.buf_end = ret;
291 /* Did we read the whole encrypted packet? */
292 while ( p->sec_buf_in.buf_ptr < p->sec_buf_in.buf_end ) {
293 /* No, we have got only a part of it */
294 ret = p->sec_buf_in.buf_end - p->sec_buf_in.buf_ptr;
296 ret = LBER_SBIOD_READ_NEXT( sbiod, p->sec_buf_in.buf_base +
297 p->sec_buf_in.buf_ptr, ret );
299 if ( ( ret < 0 ) && ( errno == EINTR ) )
303 return bufptr ? bufptr : ret;
305 p->sec_buf_in.buf_ptr += ret;
308 /* Decode the packet */
310 unsigned tmpsize = p->buf_in.buf_end;
311 ret = sasl_decode( p->sasl_context, p->sec_buf_in.buf_base,
312 p->sec_buf_in.buf_end,
313 (SASL_CONST char **)&p->buf_in.buf_base,
314 (unsigned *)&tmpsize );
315 p->buf_in.buf_end = tmpsize;
318 /* Drop the packet from the input buffer */
319 sb_sasl_drop_packet( &p->sec_buf_in, sbiod->sbiod_sb->sb_debug );
321 if ( ret != SASL_OK ) {
322 ber_log_printf( LDAP_DEBUG_ANY, sbiod->sbiod_sb->sb_debug,
323 "sb_sasl_read: failed to decode packet: %s\n",
324 sasl_errstring( ret, NULL, NULL ) );
329 p->buf_in.buf_size = p->buf_in.buf_end;
331 bufptr += ber_pvt_sb_copy_out( &p->buf_in, (char*) buf + bufptr, len );
337 sb_sasl_write( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
339 struct sb_sasl_data *p;
342 assert( sbiod != NULL );
343 assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
345 p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
347 /* Are there anything left in the buffer? */
348 if ( p->buf_out.buf_ptr != p->buf_out.buf_end ) {
349 ret = ber_pvt_sb_do_write( sbiod, &p->buf_out );
350 if ( ret < 0 ) return ret;
352 /* Still have something left?? */
353 if ( p->buf_out.buf_ptr != p->buf_out.buf_end ) {
359 /* now encode the next packet. */
360 #if SASL_VERSION_MAJOR >= 2
361 ber_pvt_sb_buf_init( &p->buf_out );
363 ber_pvt_sb_buf_destroy( &p->buf_out );
365 if ( len > *p->sasl_maxbuf - 100 ) {
366 len = *p->sasl_maxbuf - 100; /* For safety margin */
370 unsigned tmpsize = p->buf_out.buf_size;
371 ret = sasl_encode( p->sasl_context, buf, len,
372 (SASL_CONST char **)&p->buf_out.buf_base,
374 p->buf_out.buf_size = tmpsize;
377 if ( ret != SASL_OK ) {
378 ber_log_printf( LDAP_DEBUG_ANY, sbiod->sbiod_sb->sb_debug,
379 "sb_sasl_write: failed to encode packet: %s\n",
380 sasl_errstring( ret, NULL, NULL ) );
384 p->buf_out.buf_end = p->buf_out.buf_size;
386 ret = ber_pvt_sb_do_write( sbiod, &p->buf_out );
388 /* return number of bytes encoded, not written, to ensure
389 * no byte is encoded twice (even if only sent once).
395 sb_sasl_ctrl( Sockbuf_IO_Desc *sbiod, int opt, void *arg )
397 struct sb_sasl_data *p;
399 p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
401 if ( opt == LBER_SB_OPT_DATA_READY ) {
402 if ( p->buf_in.buf_ptr != p->buf_in.buf_end ) return 1;
405 return LBER_SBIOD_CTRL_NEXT( sbiod, opt, arg );
408 Sockbuf_IO ldap_pvt_sockbuf_io_sasl = {
409 sb_sasl_setup, /* sbi_setup */
410 sb_sasl_remove, /* sbi_remove */
411 sb_sasl_ctrl, /* sbi_ctrl */
412 sb_sasl_read, /* sbi_read */
413 sb_sasl_write, /* sbi_write */
417 int ldap_pvt_sasl_install( Sockbuf *sb, void *ctx_arg )
420 LDAP_LOG ( TRANSPORT, ENTRY, "ldap_pvt_sasl_install\n", 0, 0, 0 );
422 Debug( LDAP_DEBUG_TRACE, "ldap_pvt_sasl_install\n",
426 /* don't install the stuff unless security has been negotiated */
428 if ( !ber_sockbuf_ctrl( sb, LBER_SB_OPT_HAS_IO,
429 &ldap_pvt_sockbuf_io_sasl ) )
432 ber_sockbuf_add_io( sb, &ber_sockbuf_io_debug,
433 LBER_SBIOD_LEVEL_APPLICATION, (void *)"sasl_" );
435 ber_sockbuf_add_io( sb, &ldap_pvt_sockbuf_io_sasl,
436 LBER_SBIOD_LEVEL_APPLICATION, ctx_arg );
442 void ldap_pvt_sasl_remove( Sockbuf *sb )
444 ber_sockbuf_remove_io( sb, &ldap_pvt_sockbuf_io_sasl,
445 LBER_SBIOD_LEVEL_APPLICATION );
447 ber_sockbuf_remove_io( sb, &ber_sockbuf_io_debug,
448 LBER_SBIOD_LEVEL_APPLICATION );
453 sasl_err2ldap( int saslerr )
459 rc = LDAP_MORE_RESULTS_TO_RETURN;
462 rc = LDAP_LOCAL_ERROR;
468 rc = LDAP_LOCAL_ERROR;
474 rc = LDAP_AUTH_UNKNOWN;
477 rc = LDAP_AUTH_UNKNOWN;
480 rc = LDAP_PARAM_ERROR;
484 rc = LDAP_AUTH_UNKNOWN;
487 rc = LDAP_LOCAL_ERROR;
491 assert( rc == LDAP_SUCCESS || LDAP_API_ERROR( rc ) );
504 assert( lc->lconn_sasl_authctx == NULL );
506 if ( host == NULL ) {
507 ld->ld_errno = LDAP_LOCAL_ERROR;
511 if ( ldap_int_sasl_init() ) {
512 ld->ld_errno = LDAP_LOCAL_ERROR;
516 #if SASL_VERSION_MAJOR >= 2
517 rc = sasl_client_new( "ldap", host, NULL, NULL,
518 client_callbacks, 0, &ctx );
520 rc = sasl_client_new( "ldap", host, client_callbacks,
521 SASL_SECURITY_LAYER, &ctx );
524 if ( rc != SASL_OK ) {
525 ld->ld_errno = sasl_err2ldap( rc );
530 LDAP_LOG ( TRANSPORT, DETAIL1, "ldap_int_sasl_open: host=%s\n",
533 Debug( LDAP_DEBUG_TRACE, "ldap_int_sasl_open: host=%s\n",
537 lc->lconn_sasl_authctx = ctx;
542 int ldap_int_sasl_close( LDAP *ld, LDAPConn *lc )
544 sasl_conn_t *ctx = lc->lconn_sasl_authctx;
547 sasl_dispose( &ctx );
548 if ( lc->lconn_sasl_sockctx &&
549 lc->lconn_sasl_authctx != lc->lconn_sasl_sockctx ) {
550 ctx = lc->lconn_sasl_sockctx;
551 sasl_dispose( &ctx );
553 lc->lconn_sasl_sockctx = NULL;
554 lc->lconn_sasl_authctx = NULL;
565 LDAPControl **sctrls,
566 LDAPControl **cctrls,
568 LDAP_SASL_INTERACT_PROC *interact,
572 const char *mech = NULL;
573 const char *pmech = NULL;
575 sasl_ssf_t *ssf = NULL;
576 sasl_conn_t *ctx, *oldctx = NULL;
577 sasl_interact_t *prompts = NULL;
584 LDAP_LOG ( TRANSPORT, ARGS, "ldap_int_sasl_bind: %s\n",
585 mechs ? mechs : "<null>", 0, 0 );
587 Debug( LDAP_DEBUG_TRACE, "ldap_int_sasl_bind: %s\n",
588 mechs ? mechs : "<null>", 0, 0 );
591 /* do a quick !LDAPv3 check... ldap_sasl_bind will do the rest. */
592 if (ld->ld_version < LDAP_VERSION3) {
593 ld->ld_errno = LDAP_NOT_SUPPORTED;
597 ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, &sd );
599 if ( sd == AC_SOCKET_INVALID ) {
600 /* not connected yet */
603 rc = ldap_open_defconn( ld );
604 if( rc < 0 ) return ld->ld_errno;
606 ber_sockbuf_ctrl( ld->ld_defconn->lconn_sb, LBER_SB_OPT_GET_FD, &sd );
608 if( sd == AC_SOCKET_INVALID ) {
609 ld->ld_errno = LDAP_LOCAL_ERROR;
614 oldctx = ld->ld_defconn->lconn_sasl_authctx;
616 /* If we already have an authentication context, clear it out */
618 if ( oldctx != ld->ld_defconn->lconn_sasl_sockctx ) {
619 sasl_dispose( &oldctx );
621 ld->ld_defconn->lconn_sasl_authctx = NULL;
624 { char *saslhost = ldap_host_connected_to( ld->ld_defconn->lconn_sb, "localhost" );
625 rc = ldap_int_sasl_open( ld, ld->ld_defconn, saslhost );
626 LDAP_FREE( saslhost );
629 if ( rc != LDAP_SUCCESS ) return rc;
631 ctx = ld->ld_defconn->lconn_sasl_authctx;
634 ssl = ldap_pvt_tls_sb_ctx( ld->ld_defconn->lconn_sb );
636 struct berval authid = BER_BVNULL;
639 fac = ldap_pvt_tls_get_strength( ssl );
640 /* failure is OK, we just can't use SASL EXTERNAL */
641 (void) ldap_pvt_tls_get_my_dn( ssl, &authid, NULL, 0 );
643 (void) ldap_int_sasl_external( ld, ld->ld_defconn, authid.bv_val, fac );
644 LDAP_FREE( authid.bv_val );
648 /* Check for local */
649 if ( ldap_pvt_url_scheme2proto( ld->ld_defconn->lconn_server->lud_scheme ) == LDAP_PROTO_IPC ) {
650 char authid[sizeof("uidNumber=4294967295+gidNumber=4294967295,"
651 "cn=peercred,cn=external,cn=auth")];
652 sprintf( authid, "uidNumber=%d+gidNumber=%d,"
653 "cn=peercred,cn=external,cn=auth",
654 (int) geteuid(), (int) getegid() );
655 (void) ldap_int_sasl_external( ld, ld->ld_defconn, authid, LDAP_PVT_SASL_LOCAL_SSF );
659 /* (re)set security properties */
660 sasl_setprop( ctx, SASL_SEC_PROPS,
661 &ld->ld_options.ldo_sasl_secprops );
667 saslrc = sasl_client_start( ctx,
669 #if SASL_VERSION_MAJOR < 2
673 (SASL_CONST char **)&ccred.bv_val,
677 if( pmech == NULL && mech != NULL ) {
680 if( flags != LDAP_SASL_QUIET ) {
682 "SASL/%s authentication started\n",
687 if( saslrc == SASL_INTERACT ) {
689 if( !interact ) break;
690 res = (interact)( ld, flags, defaults, prompts );
692 if( res != LDAP_SUCCESS ) break;
694 } while ( saslrc == SASL_INTERACT );
696 ccred.bv_len = credlen;
698 if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
699 rc = ld->ld_errno = sasl_err2ldap( saslrc );
700 #if SASL_VERSION_MAJOR >= 2
701 ld->ld_error = LDAP_STRDUP( sasl_errdetail( ctx ) );
707 struct berval *scred;
712 rc = ldap_sasl_bind_s( ld, dn, mech, &ccred, sctrls, cctrls, &scred );
714 if ( ccred.bv_val != NULL ) {
715 #if SASL_VERSION_MAJOR < 2
716 LDAP_FREE( ccred.bv_val );
721 if ( rc != LDAP_SUCCESS && rc != LDAP_SASL_BIND_IN_PROGRESS ) {
722 if( scred && scred->bv_len ) {
723 /* and server provided us with data? */
725 LDAP_LOG ( TRANSPORT, DETAIL1,
726 "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
727 rc, saslrc, scred->bv_len );
729 Debug( LDAP_DEBUG_TRACE,
730 "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
731 rc, saslrc, scred->bv_len );
739 if( rc == LDAP_SUCCESS && saslrc == SASL_OK ) {
740 /* we're done, no need to step */
741 if( scred && scred->bv_len ) {
742 /* but server provided us with data! */
744 LDAP_LOG ( TRANSPORT, DETAIL1,
745 "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
746 rc, saslrc, scred->bv_len );
748 Debug( LDAP_DEBUG_TRACE,
749 "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
750 rc, saslrc, scred->bv_len );
753 rc = ld->ld_errno = LDAP_LOCAL_ERROR;
760 saslrc = sasl_client_step( ctx,
761 (scred == NULL) ? NULL : scred->bv_val,
762 (scred == NULL) ? 0 : scred->bv_len,
764 (SASL_CONST char **)&ccred.bv_val,
768 LDAP_LOG ( TRANSPORT, DETAIL1,
769 "ldap_int_sasl_bind: sasl_client_step: %d\n", saslrc,0,0 );
771 Debug( LDAP_DEBUG_TRACE, "sasl_client_step: %d\n",
775 if( saslrc == SASL_INTERACT ) {
777 if( !interact ) break;
778 res = (interact)( ld, flags, defaults, prompts );
779 if( res != LDAP_SUCCESS ) break;
781 } while ( saslrc == SASL_INTERACT );
783 ccred.bv_len = credlen;
786 if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
787 ld->ld_errno = sasl_err2ldap( saslrc );
788 #if SASL_VERSION_MAJOR >= 2
789 ld->ld_error = LDAP_STRDUP( sasl_errdetail( ctx ) );
794 } while ( rc == LDAP_SASL_BIND_IN_PROGRESS );
796 if ( rc != LDAP_SUCCESS ) goto done;
798 if ( saslrc != SASL_OK ) {
799 #if SASL_VERSION_MAJOR >= 2
800 ld->ld_error = LDAP_STRDUP( sasl_errdetail( ctx ) );
802 rc = ld->ld_errno = sasl_err2ldap( saslrc );
806 if( flags != LDAP_SASL_QUIET ) {
807 saslrc = sasl_getprop( ctx, SASL_USERNAME, (SASL_CONST void **) &data );
808 if( saslrc == SASL_OK && data && *data ) {
809 fprintf( stderr, "SASL username: %s\n", data );
812 #if SASL_VERSION_MAJOR < 2
813 saslrc = sasl_getprop( ctx, SASL_REALM, (SASL_CONST void **) &data );
814 if( saslrc == SASL_OK && data && *data ) {
815 fprintf( stderr, "SASL realm: %s\n", data );
820 saslrc = sasl_getprop( ctx, SASL_SSF, (SASL_CONST void **) &ssf );
821 if( saslrc == SASL_OK ) {
822 if( flags != LDAP_SASL_QUIET ) {
823 fprintf( stderr, "SASL SSF: %lu\n",
824 (unsigned long) *ssf );
828 if( flags != LDAP_SASL_QUIET ) {
829 fprintf( stderr, "SASL installing layers\n" );
831 if ( ld->ld_defconn->lconn_sasl_sockctx ) {
832 oldctx = ld->ld_defconn->lconn_sasl_sockctx;
833 sasl_dispose( &oldctx );
834 ldap_pvt_sasl_remove( ld->ld_defconn->lconn_sb );
836 ldap_pvt_sasl_install( ld->ld_defconn->lconn_sb, ctx );
837 ld->ld_defconn->lconn_sasl_sockctx = ctx;
840 ld->ld_defconn->lconn_sasl_authctx = ctx;
847 ldap_int_sasl_external(
855 #if SASL_VERSION_MAJOR < 2
856 sasl_external_properties_t extprops;
859 ctx = conn->lconn_sasl_authctx;
862 return LDAP_LOCAL_ERROR;
865 #if SASL_VERSION_MAJOR >= 2
866 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
868 sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL, authid );
870 memset( &extprops, '\0', sizeof(extprops) );
872 extprops.auth_id = (char *) authid;
874 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
875 (void *) &extprops );
878 if ( sc != SASL_OK ) {
879 return LDAP_LOCAL_ERROR;
886 int ldap_pvt_sasl_secprops(
888 sasl_security_properties_t *secprops )
891 char **props = ldap_str2charray( in, "," );
894 sasl_ssf_t max_ssf = 0;
896 sasl_ssf_t min_ssf = 0;
898 unsigned maxbufsize = 0;
899 int got_maxbufsize = 0;
901 if( props == NULL || secprops == NULL ) {
902 return LDAP_PARAM_ERROR;
905 for( i=0; props[i]; i++ ) {
906 if( !strcasecmp(props[i], "none") ) {
909 } else if( !strcasecmp(props[i], "noplain") ) {
911 sflags |= SASL_SEC_NOPLAINTEXT;
913 } else if( !strcasecmp(props[i], "noactive") ) {
915 sflags |= SASL_SEC_NOACTIVE;
917 } else if( !strcasecmp(props[i], "nodict") ) {
919 sflags |= SASL_SEC_NODICTIONARY;
921 } else if( !strcasecmp(props[i], "forwardsec") ) {
923 sflags |= SASL_SEC_FORWARD_SECRECY;
925 } else if( !strcasecmp(props[i], "noanonymous")) {
927 sflags |= SASL_SEC_NOANONYMOUS;
929 } else if( !strcasecmp(props[i], "passcred") ) {
931 sflags |= SASL_SEC_PASS_CREDENTIALS;
933 } else if( !strncasecmp(props[i],
934 "minssf=", sizeof("minssf")) )
936 if( isdigit( (unsigned char) props[i][sizeof("minssf")] ) ) {
938 min_ssf = atoi( &props[i][sizeof("minssf")] );
940 return LDAP_NOT_SUPPORTED;
943 } else if( !strncasecmp(props[i],
944 "maxssf=", sizeof("maxssf")) )
946 if( isdigit( (unsigned char) props[i][sizeof("maxssf")] ) ) {
948 max_ssf = atoi( &props[i][sizeof("maxssf")] );
950 return LDAP_NOT_SUPPORTED;
953 } else if( !strncasecmp(props[i],
954 "maxbufsize=", sizeof("maxbufsize")) )
956 if( isdigit( (unsigned char) props[i][sizeof("maxbufsize")] ) ) {
958 maxbufsize = atoi( &props[i][sizeof("maxbufsize")] );
960 return LDAP_NOT_SUPPORTED;
963 if( maxbufsize && (( maxbufsize < SASL_MIN_BUFF_SIZE )
964 || (maxbufsize > SASL_MAX_BUFF_SIZE )))
967 return LDAP_PARAM_ERROR;
971 return LDAP_NOT_SUPPORTED;
976 secprops->security_flags = sflags;
979 secprops->min_ssf = min_ssf;
982 secprops->max_ssf = max_ssf;
985 secprops->maxbufsize = maxbufsize;
988 ldap_charray_free( props );
993 ldap_int_sasl_config( struct ldapoptions *lo, int option, const char *arg )
998 case LDAP_OPT_X_SASL_SECPROPS:
999 rc = ldap_pvt_sasl_secprops( arg, &lo->ldo_sasl_secprops );
1000 if( rc == LDAP_SUCCESS ) return 0;
1007 ldap_int_sasl_get_option( LDAP *ld, int option, void *arg )
1013 case LDAP_OPT_X_SASL_MECH: {
1014 *(char **)arg = ld->ld_options.ldo_def_sasl_mech
1015 ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_mech ) : NULL;
1017 case LDAP_OPT_X_SASL_REALM: {
1018 *(char **)arg = ld->ld_options.ldo_def_sasl_realm
1019 ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_realm ) : NULL;
1021 case LDAP_OPT_X_SASL_AUTHCID: {
1022 *(char **)arg = ld->ld_options.ldo_def_sasl_authcid
1023 ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_authcid ) : NULL;
1025 case LDAP_OPT_X_SASL_AUTHZID: {
1026 *(char **)arg = ld->ld_options.ldo_def_sasl_authzid
1027 ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_authzid ) : NULL;
1030 case LDAP_OPT_X_SASL_SSF: {
1035 if( ld->ld_defconn == NULL ) {
1039 ctx = ld->ld_defconn->lconn_sasl_sockctx;
1041 if ( ctx == NULL ) {
1045 sc = sasl_getprop( ctx, SASL_SSF,
1046 (SASL_CONST void **) &ssf );
1048 if ( sc != SASL_OK ) {
1052 *(ber_len_t *)arg = *ssf;
1055 case LDAP_OPT_X_SASL_SSF_EXTERNAL:
1056 /* this option is write only */
1059 case LDAP_OPT_X_SASL_SSF_MIN:
1060 *(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.min_ssf;
1062 case LDAP_OPT_X_SASL_SSF_MAX:
1063 *(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.max_ssf;
1065 case LDAP_OPT_X_SASL_MAXBUFSIZE:
1066 *(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.maxbufsize;
1069 case LDAP_OPT_X_SASL_SECPROPS:
1070 /* this option is write only */
1080 ldap_int_sasl_set_option( LDAP *ld, int option, void *arg )
1086 case LDAP_OPT_X_SASL_SSF:
1087 /* This option is read-only */
1090 case LDAP_OPT_X_SASL_SSF_EXTERNAL: {
1092 #if SASL_VERSION_MAJOR < 2
1093 sasl_external_properties_t extprops;
1097 if( ld->ld_defconn == NULL ) {
1101 ctx = ld->ld_defconn->lconn_sasl_authctx;
1103 if ( ctx == NULL ) {
1107 #if SASL_VERSION_MAJOR >= 2
1108 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, arg);
1110 memset(&extprops, 0L, sizeof(extprops));
1112 extprops.ssf = * (ber_len_t *) arg;
1114 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
1115 (void *) &extprops );
1118 if ( sc != SASL_OK ) {
1123 case LDAP_OPT_X_SASL_SSF_MIN:
1124 ld->ld_options.ldo_sasl_secprops.min_ssf = *(ber_len_t *)arg;
1126 case LDAP_OPT_X_SASL_SSF_MAX:
1127 ld->ld_options.ldo_sasl_secprops.max_ssf = *(ber_len_t *)arg;
1129 case LDAP_OPT_X_SASL_MAXBUFSIZE:
1130 ld->ld_options.ldo_sasl_secprops.maxbufsize = *(ber_len_t *)arg;
1133 case LDAP_OPT_X_SASL_SECPROPS: {
1135 sc = ldap_pvt_sasl_secprops( (char *) arg,
1136 &ld->ld_options.ldo_sasl_secprops );
1138 return sc == LDAP_SUCCESS ? 0 : -1;
1147 #ifdef LDAP_R_COMPILE
1148 #define LDAP_DEBUG_R_SASL
1149 void *ldap_pvt_sasl_mutex_new(void)
1151 ldap_pvt_thread_mutex_t *mutex;
1153 mutex = (ldap_pvt_thread_mutex_t *) LDAP_MALLOC(
1154 sizeof(ldap_pvt_thread_mutex_t) );
1156 if ( ldap_pvt_thread_mutex_init( mutex ) == 0 ) {
1159 #ifndef LDAP_DEBUG_R_SASL
1161 #endif /* !LDAP_DEBUG_R_SASL */
1165 int ldap_pvt_sasl_mutex_lock(void *mutex)
1167 #ifdef LDAP_DEBUG_R_SASL
1168 if ( mutex == NULL ) {
1171 #else /* !LDAP_DEBUG_R_SASL */
1173 #endif /* !LDAP_DEBUG_R_SASL */
1174 return ldap_pvt_thread_mutex_lock( (ldap_pvt_thread_mutex_t *)mutex )
1175 ? SASL_FAIL : SASL_OK;
1178 int ldap_pvt_sasl_mutex_unlock(void *mutex)
1180 #ifdef LDAP_DEBUG_R_SASL
1181 if ( mutex == NULL ) {
1184 #else /* !LDAP_DEBUG_R_SASL */
1186 #endif /* !LDAP_DEBUG_R_SASL */
1187 return ldap_pvt_thread_mutex_unlock( (ldap_pvt_thread_mutex_t *)mutex )
1188 ? SASL_FAIL : SASL_OK;
1191 void ldap_pvt_sasl_mutex_dispose(void *mutex)
1193 #ifdef LDAP_DEBUG_R_SASL
1194 if ( mutex == NULL ) {
1197 #else /* !LDAP_DEBUG_R_SASL */
1199 #endif /* !LDAP_DEBUG_R_SASL */
1200 (void) ldap_pvt_thread_mutex_destroy( (ldap_pvt_thread_mutex_t *)mutex );
1206 int ldap_int_sasl_init( void )
1207 { return LDAP_SUCCESS; }
1209 int ldap_int_sasl_close( LDAP *ld, LDAPConn *lc )
1210 { return LDAP_SUCCESS; }
1217 LDAPControl **sctrls,
1218 LDAPControl **cctrls,
1220 LDAP_SASL_INTERACT_PROC *interact,
1222 { return LDAP_NOT_SUPPORTED; }
1225 ldap_int_sasl_external(
1228 const char * authid,
1230 { return LDAP_SUCCESS; }
1232 #endif /* HAVE_CYRUS_SASL */