3 * Copyright 1999-2003 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
11 #include <ac/socket.h>
12 #include <ac/stdlib.h>
13 #include <ac/string.h>
20 #ifdef HAVE_CYRUS_SASL
23 ldap_pvt_thread_mutex_t ldap_int_sasl_mutex;
26 #ifdef HAVE_SASL_SASL_H
27 #include <sasl/sasl.h>
32 #if SASL_VERSION_MAJOR >= 2
33 #define SASL_CONST const
39 * Various Cyrus SASL related stuff.
42 int ldap_int_sasl_init( void )
44 /* XXX not threadsafe */
45 static int sasl_initialized = 0;
47 static sasl_callback_t client_callbacks[] = {
48 #ifdef SASL_CB_GETREALM
49 { SASL_CB_GETREALM, NULL, NULL },
51 { SASL_CB_USER, NULL, NULL },
52 { SASL_CB_AUTHNAME, NULL, NULL },
53 { SASL_CB_PASS, NULL, NULL },
54 { SASL_CB_ECHOPROMPT, NULL, NULL },
55 { SASL_CB_NOECHOPROMPT, NULL, NULL },
56 { SASL_CB_LIST_END, NULL, NULL }
59 #ifdef HAVE_SASL_VERSION
60 #define SASL_BUILD_VERSION ((SASL_VERSION_MAJOR << 24) |\
61 (SASL_VERSION_MINOR << 16) | SASL_VERSION_STEP)
64 sasl_version( NULL, &rc );
65 if ( ((rc >> 16) != ((SASL_VERSION_MAJOR << 8)|SASL_VERSION_MINOR)) ||
66 (rc & 0xffff) < SASL_VERSION_STEP) {
69 LDAP_LOG( TRANSPORT, INFO,
70 "ldap_int_sasl_init: SASL version mismatch, got %x, wanted %x.\n",
71 rc, SASL_BUILD_VERSION, 0 );
73 Debug( LDAP_DEBUG_ANY,
74 "ldap_int_sasl_init: SASL version mismatch, got %x, wanted %x.\n",
75 rc, SASL_BUILD_VERSION, 0 );
81 if ( sasl_initialized ) {
85 /* SASL 2 takes care of its own memory completely internally */
86 #if SASL_VERSION_MAJOR < 2 && !defined(CSRIMALLOC)
92 #endif /* CSRIMALLOC */
96 ldap_pvt_sasl_mutex_new,
97 ldap_pvt_sasl_mutex_lock,
98 ldap_pvt_sasl_mutex_unlock,
99 ldap_pvt_sasl_mutex_dispose );
101 ldap_pvt_thread_mutex_init( &ldap_int_sasl_mutex );
104 if ( sasl_client_init( client_callbacks ) == SASL_OK ) {
105 sasl_initialized = 1;
109 #if SASL_VERSION_MAJOR < 2
110 /* A no-op to make sure we link with Cyrus 1.5 */
111 sasl_client_auth( NULL, NULL, NULL, 0, NULL, NULL );
117 * SASL encryption support for LBER Sockbufs
120 struct sb_sasl_data {
121 sasl_conn_t *sasl_context;
122 unsigned *sasl_maxbuf;
123 Sockbuf_Buf sec_buf_in;
129 sb_sasl_setup( Sockbuf_IO_Desc *sbiod, void *arg )
131 struct sb_sasl_data *p;
133 assert( sbiod != NULL );
135 p = LBER_MALLOC( sizeof( *p ) );
138 p->sasl_context = (sasl_conn_t *)arg;
139 ber_pvt_sb_buf_init( &p->sec_buf_in );
140 ber_pvt_sb_buf_init( &p->buf_in );
141 ber_pvt_sb_buf_init( &p->buf_out );
142 if ( ber_pvt_sb_grow_buffer( &p->sec_buf_in, SASL_MIN_BUFF_SIZE ) < 0 ) {
147 sasl_getprop( p->sasl_context, SASL_MAXOUTBUF,
148 (SASL_CONST void **) &p->sasl_maxbuf );
150 sbiod->sbiod_pvt = p;
156 sb_sasl_remove( Sockbuf_IO_Desc *sbiod )
158 struct sb_sasl_data *p;
160 assert( sbiod != NULL );
162 p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
163 #if SASL_VERSION_MAJOR >= 2
165 * SASLv2 encode/decode buffers are managed by
166 * libsasl2. Ensure they are not freed by liblber.
168 p->buf_in.buf_base = NULL;
169 p->buf_out.buf_base = NULL;
171 ber_pvt_sb_buf_destroy( &p->sec_buf_in );
172 ber_pvt_sb_buf_destroy( &p->buf_in );
173 ber_pvt_sb_buf_destroy( &p->buf_out );
175 sbiod->sbiod_pvt = NULL;
180 sb_sasl_pkt_length( const unsigned char *buf, unsigned max, int debuglevel )
184 assert( buf != NULL );
191 if ( size > SASL_MAX_BUFF_SIZE ) {
192 /* somebody is trying to mess me up. */
193 ber_log_printf( LDAP_DEBUG_ANY, debuglevel,
194 "sb_sasl_pkt_length: received illegal packet length "
195 "of %lu bytes\n", (unsigned long)size );
196 size = 16; /* this should lead to an error. */
199 return size + 4; /* include the size !!! */
202 /* Drop a processed packet from the input buffer */
204 sb_sasl_drop_packet ( Sockbuf_Buf *sec_buf_in, unsigned max, int debuglevel )
208 len = sec_buf_in->buf_ptr - sec_buf_in->buf_end;
210 AC_MEMCPY( sec_buf_in->buf_base, sec_buf_in->buf_base +
211 sec_buf_in->buf_end, len );
214 sec_buf_in->buf_end = sb_sasl_pkt_length( sec_buf_in->buf_base,
218 sec_buf_in->buf_end = 0;
220 sec_buf_in->buf_ptr = len;
224 sb_sasl_read( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
226 struct sb_sasl_data *p;
227 ber_slen_t ret, bufptr;
229 assert( sbiod != NULL );
230 assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
232 p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
234 /* Are there anything left in the buffer? */
235 ret = ber_pvt_sb_copy_out( &p->buf_in, buf, len );
242 #if SASL_VERSION_MAJOR >= 2
243 ber_pvt_sb_buf_init( &p->buf_in );
245 ber_pvt_sb_buf_destroy( &p->buf_in );
248 /* Read the length of the packet */
249 while ( p->sec_buf_in.buf_ptr < 4 ) {
250 ret = LBER_SBIOD_READ_NEXT( sbiod, p->sec_buf_in.buf_base,
251 4 - p->sec_buf_in.buf_ptr );
253 if ( ( ret < 0 ) && ( errno == EINTR ) )
257 return bufptr ? bufptr : ret;
259 p->sec_buf_in.buf_ptr += ret;
262 /* The new packet always starts at p->sec_buf_in.buf_base */
263 ret = sb_sasl_pkt_length( p->sec_buf_in.buf_base,
264 *p->sasl_maxbuf, sbiod->sbiod_sb->sb_debug );
266 /* Grow the packet buffer if neccessary */
267 if ( ( p->sec_buf_in.buf_size < (ber_len_t) ret ) &&
268 ber_pvt_sb_grow_buffer( &p->sec_buf_in, ret ) < 0 )
273 p->sec_buf_in.buf_end = ret;
275 /* Did we read the whole encrypted packet? */
276 while ( p->sec_buf_in.buf_ptr < p->sec_buf_in.buf_end ) {
277 /* No, we have got only a part of it */
278 ret = p->sec_buf_in.buf_end - p->sec_buf_in.buf_ptr;
280 ret = LBER_SBIOD_READ_NEXT( sbiod, p->sec_buf_in.buf_base +
281 p->sec_buf_in.buf_ptr, ret );
283 if ( ( ret < 0 ) && ( errno == EINTR ) )
287 return bufptr ? bufptr : ret;
289 p->sec_buf_in.buf_ptr += ret;
292 /* Decode the packet */
293 ret = sasl_decode( p->sasl_context, p->sec_buf_in.buf_base,
294 p->sec_buf_in.buf_end,
295 (SASL_CONST char **)&p->buf_in.buf_base,
296 (unsigned *)&p->buf_in.buf_end );
298 /* Drop the packet from the input buffer */
299 sb_sasl_drop_packet( &p->sec_buf_in,
300 *p->sasl_maxbuf, sbiod->sbiod_sb->sb_debug );
302 if ( ret != SASL_OK ) {
303 ber_log_printf( LDAP_DEBUG_ANY, sbiod->sbiod_sb->sb_debug,
304 "sb_sasl_read: failed to decode packet: %s\n",
305 sasl_errstring( ret, NULL, NULL ) );
310 p->buf_in.buf_size = p->buf_in.buf_end;
312 bufptr += ber_pvt_sb_copy_out( &p->buf_in, (char*) buf + bufptr, len );
318 sb_sasl_write( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
320 struct sb_sasl_data *p;
323 assert( sbiod != NULL );
324 assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
326 p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
328 /* Are there anything left in the buffer? */
329 if ( p->buf_out.buf_ptr != p->buf_out.buf_end ) {
330 ret = ber_pvt_sb_do_write( sbiod, &p->buf_out );
333 /* Still have something left?? */
334 if ( p->buf_out.buf_ptr != p->buf_out.buf_end ) {
340 /* now encode the next packet. */
341 #if SASL_VERSION_MAJOR >= 2
342 ber_pvt_sb_buf_init( &p->buf_out );
343 /* sasl v2 makes sure this number is correct */
344 if ( len > *p->sasl_maxbuf )
345 len = *p->sasl_maxbuf;
347 ber_pvt_sb_buf_destroy( &p->buf_out );
348 if ( len > *p->sasl_maxbuf - 100 )
349 len = *p->sasl_maxbuf - 100; /* For safety margin */
351 ret = sasl_encode( p->sasl_context, buf, len,
352 (SASL_CONST char **)&p->buf_out.buf_base,
353 (unsigned *)&p->buf_out.buf_size );
354 if ( ret != SASL_OK ) {
355 ber_log_printf( LDAP_DEBUG_ANY, sbiod->sbiod_sb->sb_debug,
356 "sb_sasl_write: failed to encode packet: %s\n",
357 sasl_errstring( ret, NULL, NULL ) );
360 p->buf_out.buf_end = p->buf_out.buf_size;
362 ret = ber_pvt_sb_do_write( sbiod, &p->buf_out );
369 sb_sasl_ctrl( Sockbuf_IO_Desc *sbiod, int opt, void *arg )
371 struct sb_sasl_data *p;
373 p = (struct sb_sasl_data *)sbiod->sbiod_pvt;
375 if ( opt == LBER_SB_OPT_DATA_READY ) {
376 if ( p->buf_in.buf_ptr != p->buf_in.buf_end )
380 return LBER_SBIOD_CTRL_NEXT( sbiod, opt, arg );
383 Sockbuf_IO ldap_pvt_sockbuf_io_sasl = {
384 sb_sasl_setup, /* sbi_setup */
385 sb_sasl_remove, /* sbi_remove */
386 sb_sasl_ctrl, /* sbi_ctrl */
387 sb_sasl_read, /* sbi_read */
388 sb_sasl_write, /* sbi_write */
392 int ldap_pvt_sasl_install( Sockbuf *sb, void *ctx_arg )
395 LDAP_LOG ( TRANSPORT, ENTRY, "ldap_pvt_sasl_install\n", 0, 0, 0 );
397 Debug( LDAP_DEBUG_TRACE, "ldap_pvt_sasl_install\n",
401 /* don't install the stuff unless security has been negotiated */
403 if ( !ber_sockbuf_ctrl( sb, LBER_SB_OPT_HAS_IO,
404 &ldap_pvt_sockbuf_io_sasl ) )
407 ber_sockbuf_add_io( sb, &ber_sockbuf_io_debug,
408 LBER_SBIOD_LEVEL_APPLICATION, (void *)"sasl_" );
410 ber_sockbuf_add_io( sb, &ldap_pvt_sockbuf_io_sasl,
411 LBER_SBIOD_LEVEL_APPLICATION, ctx_arg );
417 void ldap_pvt_sasl_remove( Sockbuf *sb )
419 ber_sockbuf_remove_io( sb, &ldap_pvt_sockbuf_io_sasl,
420 LBER_SBIOD_LEVEL_APPLICATION );
422 ber_sockbuf_remove_io( sb, &ber_sockbuf_io_debug,
423 LBER_SBIOD_LEVEL_APPLICATION );
428 sasl_err2ldap( int saslerr )
434 rc = LDAP_MORE_RESULTS_TO_RETURN;
437 rc = LDAP_LOCAL_ERROR;
443 rc = LDAP_LOCAL_ERROR;
449 rc = LDAP_AUTH_UNKNOWN;
452 rc = LDAP_AUTH_UNKNOWN;
455 rc = LDAP_PARAM_ERROR;
459 rc = LDAP_AUTH_UNKNOWN;
462 rc = LDAP_LOCAL_ERROR;
466 assert( rc == LDAP_SUCCESS || LDAP_API_ERROR( rc ) );
479 assert( lc->lconn_sasl_ctx == NULL );
481 if ( host == NULL ) {
482 ld->ld_errno = LDAP_LOCAL_ERROR;
486 #if SASL_VERSION_MAJOR >= 2
487 rc = sasl_client_new( "ldap", host, NULL, NULL,
490 rc = sasl_client_new( "ldap", host, NULL,
491 SASL_SECURITY_LAYER, &ctx );
494 if ( rc != SASL_OK ) {
495 ld->ld_errno = sasl_err2ldap( rc );
500 LDAP_LOG ( TRANSPORT, DETAIL1, "ldap_int_sasl_open: host=%s\n",
503 Debug( LDAP_DEBUG_TRACE, "ldap_int_sasl_open: host=%s\n",
507 lc->lconn_sasl_ctx = ctx;
512 int ldap_int_sasl_close( LDAP *ld, LDAPConn *lc )
514 sasl_conn_t *ctx = lc->lconn_sasl_ctx;
517 sasl_dispose( &ctx );
518 lc->lconn_sasl_ctx = NULL;
529 LDAPControl **sctrls,
530 LDAPControl **cctrls,
532 LDAP_SASL_INTERACT_PROC *interact,
536 const char *mech = NULL;
537 const char *pmech = NULL;
539 sasl_ssf_t *ssf = NULL;
541 sasl_interact_t *prompts = NULL;
548 LDAP_LOG ( TRANSPORT, ARGS, "ldap_int_sasl_bind: %s\n",
549 mechs ? mechs : "<null>", 0, 0 );
551 Debug( LDAP_DEBUG_TRACE, "ldap_int_sasl_bind: %s\n",
552 mechs ? mechs : "<null>", 0, 0 );
555 /* do a quick !LDAPv3 check... ldap_sasl_bind will do the rest. */
556 if (ld->ld_version < LDAP_VERSION3) {
557 ld->ld_errno = LDAP_NOT_SUPPORTED;
561 ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, &sd );
563 if ( sd == AC_SOCKET_INVALID ) {
564 /* not connected yet */
567 rc = ldap_open_defconn( ld );
568 if( rc < 0 ) return ld->ld_errno;
570 ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, &sd );
572 if( sd == AC_SOCKET_INVALID ) {
573 ld->ld_errno = LDAP_LOCAL_ERROR;
578 ctx = ld->ld_defconn->lconn_sasl_ctx;
580 /* If we already have a context, shut it down */
584 /* Do an anonymous bind to kill the server's context */
585 msgid = ldap_simple_bind( ld, "", NULL );
587 /* dispose of the old context */
588 ldap_int_sasl_close( ld, ld->ld_defconn );
589 ldap_pvt_sasl_remove( ld->ld_sb );
591 /* The reply is sent in the clear, we can't read it
592 * until after the context and sockbuf are torn down
594 rc = ldap_result( ld, msgid, 1, NULL, &result );
595 ldap_msgfree( result );
598 rc = ldap_int_sasl_open( ld, ld->ld_defconn,
599 ld->ld_defconn->lconn_server->lud_host ?
600 ld->ld_defconn->lconn_server->lud_host : "localhost" );
602 if ( rc != LDAP_SUCCESS ) return rc;
604 ctx = ld->ld_defconn->lconn_sasl_ctx;
607 ssl = ldap_pvt_tls_sb_ctx( ld->ld_sb );
609 struct berval authid = { 0, NULL };
612 fac = ldap_pvt_tls_get_strength( ssl );
613 /* failure is OK, we just can't use SASL EXTERNAL */
614 (void) ldap_pvt_tls_get_my_dn( ssl, &authid, NULL, 0 );
616 (void) ldap_int_sasl_external( ld, ld->ld_defconn, authid.bv_val, fac );
617 LDAP_FREE( authid.bv_val );
620 /* Check for local */
621 if ( ldap_pvt_url_scheme2proto( ld->ld_defconn->lconn_server->lud_scheme ) == LDAP_PROTO_IPC ) {
622 char authid[sizeof("uidNumber=4294967295+gidNumber=4294967295,"
623 "cn=peercred,cn=external,cn=auth")];
624 sprintf( authid, "uidNumber=%d+gidNumber=%d,"
625 "cn=peercred,cn=external,cn=auth",
626 (int) geteuid(), (int) getegid() );
627 (void) ldap_int_sasl_external( ld, ld->ld_defconn, authid, LDAP_PVT_SASL_LOCAL_SSF );
630 /* (re)set security properties */
631 sasl_setprop( ctx, SASL_SEC_PROPS,
632 &ld->ld_options.ldo_sasl_secprops );
638 saslrc = sasl_client_start( ctx,
640 #if SASL_VERSION_MAJOR < 2
644 (SASL_CONST char **)&ccred.bv_val,
648 if( pmech == NULL && mech != NULL ) {
651 if( flags != LDAP_SASL_QUIET ) {
653 "SASL/%s authentication started\n",
658 if( saslrc == SASL_INTERACT ) {
660 if( !interact ) break;
661 res = (interact)( ld, flags, defaults, prompts );
663 if( res != LDAP_SUCCESS ) break;
665 } while ( saslrc == SASL_INTERACT );
667 ccred.bv_len = credlen;
669 if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
670 rc = ld->ld_errno = sasl_err2ldap( saslrc );
671 #if SASL_VERSION_MAJOR >= 2
672 ld->ld_error = (char *)sasl_errdetail( ctx );
678 struct berval *scred;
683 rc = ldap_sasl_bind_s( ld, dn, mech, &ccred, sctrls, cctrls, &scred );
685 if ( ccred.bv_val != NULL ) {
686 #if SASL_VERSION_MAJOR < 2
687 LDAP_FREE( ccred.bv_val );
692 if ( rc != LDAP_SUCCESS && rc != LDAP_SASL_BIND_IN_PROGRESS ) {
693 if( scred && scred->bv_len ) {
694 /* and server provided us with data? */
696 LDAP_LOG ( TRANSPORT, DETAIL1,
697 "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
698 rc, saslrc, scred->bv_len );
700 Debug( LDAP_DEBUG_TRACE,
701 "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
702 rc, saslrc, scred->bv_len );
710 if( rc == LDAP_SUCCESS && saslrc == SASL_OK ) {
711 /* we're done, no need to step */
712 if( scred && scred->bv_len ) {
713 /* but server provided us with data! */
715 LDAP_LOG ( TRANSPORT, DETAIL1,
716 "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
717 rc, saslrc, scred->bv_len );
719 Debug( LDAP_DEBUG_TRACE,
720 "ldap_int_sasl_bind: rc=%d sasl=%d len=%ld\n",
721 rc, saslrc, scred->bv_len );
724 rc = ld->ld_errno = LDAP_LOCAL_ERROR;
731 saslrc = sasl_client_step( ctx,
732 (scred == NULL) ? NULL : scred->bv_val,
733 (scred == NULL) ? 0 : scred->bv_len,
735 (SASL_CONST char **)&ccred.bv_val,
739 LDAP_LOG ( TRANSPORT, DETAIL1,
740 "ldap_int_sasl_bind: sasl_client_step: %d\n", saslrc,0,0 );
742 Debug( LDAP_DEBUG_TRACE, "sasl_client_step: %d\n",
746 if( saslrc == SASL_INTERACT ) {
748 if( !interact ) break;
749 res = (interact)( ld, flags, defaults, prompts );
750 if( res != LDAP_SUCCESS ) break;
752 } while ( saslrc == SASL_INTERACT );
754 ccred.bv_len = credlen;
757 if ( (saslrc != SASL_OK) && (saslrc != SASL_CONTINUE) ) {
758 ld->ld_errno = sasl_err2ldap( saslrc );
759 #if SASL_VERSION_MAJOR >= 2
760 ld->ld_error = (char *)sasl_errdetail( ctx );
765 } while ( rc == LDAP_SASL_BIND_IN_PROGRESS );
767 if ( rc != LDAP_SUCCESS ) goto done;
769 if ( saslrc != SASL_OK ) {
770 #if SASL_VERSION_MAJOR >= 2
771 ld->ld_error = (char *)sasl_errdetail( ctx );
773 rc = ld->ld_errno = sasl_err2ldap( saslrc );
777 if( flags != LDAP_SASL_QUIET ) {
778 saslrc = sasl_getprop( ctx, SASL_USERNAME, (SASL_CONST void **) &data );
779 if( saslrc == SASL_OK && data && *data ) {
780 fprintf( stderr, "SASL username: %s\n", data );
783 #if SASL_VERSION_MAJOR < 2
784 saslrc = sasl_getprop( ctx, SASL_REALM, (SASL_CONST void **) &data );
785 if( saslrc == SASL_OK && data && *data ) {
786 fprintf( stderr, "SASL realm: %s\n", data );
791 saslrc = sasl_getprop( ctx, SASL_SSF, (SASL_CONST void **) &ssf );
792 if( saslrc == SASL_OK ) {
793 if( flags != LDAP_SASL_QUIET ) {
794 fprintf( stderr, "SASL SSF: %lu\n",
795 (unsigned long) *ssf );
799 if( flags != LDAP_SASL_QUIET ) {
800 fprintf( stderr, "SASL installing layers\n" );
802 ldap_pvt_sasl_install( ld->ld_conns->lconn_sb, ctx );
811 ldap_int_sasl_external(
819 #if SASL_VERSION_MAJOR < 2
820 sasl_external_properties_t extprops;
823 ctx = conn->lconn_sasl_ctx;
826 return LDAP_LOCAL_ERROR;
829 #if SASL_VERSION_MAJOR >= 2
830 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
832 sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL, authid );
834 memset( &extprops, '\0', sizeof(extprops) );
836 extprops.auth_id = (char *) authid;
838 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
839 (void *) &extprops );
842 if ( sc != SASL_OK ) {
843 return LDAP_LOCAL_ERROR;
850 int ldap_pvt_sasl_secprops(
852 sasl_security_properties_t *secprops )
855 char **props = ldap_str2charray( in, "," );
858 sasl_ssf_t max_ssf = 0;
860 sasl_ssf_t min_ssf = 0;
862 unsigned maxbufsize = 0;
863 int got_maxbufsize = 0;
865 if( props == NULL || secprops == NULL ) {
866 return LDAP_PARAM_ERROR;
869 for( i=0; props[i]; i++ ) {
870 if( !strcasecmp(props[i], "none") ) {
873 } else if( !strcasecmp(props[i], "noplain") ) {
875 sflags |= SASL_SEC_NOPLAINTEXT;
877 } else if( !strcasecmp(props[i], "noactive") ) {
879 sflags |= SASL_SEC_NOACTIVE;
881 } else if( !strcasecmp(props[i], "nodict") ) {
883 sflags |= SASL_SEC_NODICTIONARY;
885 } else if( !strcasecmp(props[i], "forwardsec") ) {
887 sflags |= SASL_SEC_FORWARD_SECRECY;
889 } else if( !strcasecmp(props[i], "noanonymous")) {
891 sflags |= SASL_SEC_NOANONYMOUS;
893 } else if( !strcasecmp(props[i], "passcred") ) {
895 sflags |= SASL_SEC_PASS_CREDENTIALS;
897 } else if( !strncasecmp(props[i],
898 "minssf=", sizeof("minssf")) )
900 if( isdigit( (unsigned char) props[i][sizeof("minssf")] ) ) {
902 min_ssf = atoi( &props[i][sizeof("minssf")] );
904 return LDAP_NOT_SUPPORTED;
907 } else if( !strncasecmp(props[i],
908 "maxssf=", sizeof("maxssf")) )
910 if( isdigit( (unsigned char) props[i][sizeof("maxssf")] ) ) {
912 max_ssf = atoi( &props[i][sizeof("maxssf")] );
914 return LDAP_NOT_SUPPORTED;
917 } else if( !strncasecmp(props[i],
918 "maxbufsize=", sizeof("maxbufsize")) )
920 if( isdigit( (unsigned char) props[i][sizeof("maxbufsize")] ) ) {
922 maxbufsize = atoi( &props[i][sizeof("maxbufsize")] );
924 return LDAP_NOT_SUPPORTED;
927 if( maxbufsize && (( maxbufsize < SASL_MIN_BUFF_SIZE )
928 || (maxbufsize > SASL_MAX_BUFF_SIZE )))
931 return LDAP_PARAM_ERROR;
935 return LDAP_NOT_SUPPORTED;
940 secprops->security_flags = sflags;
943 secprops->min_ssf = min_ssf;
946 secprops->max_ssf = max_ssf;
949 secprops->maxbufsize = maxbufsize;
952 ldap_charray_free( props );
957 ldap_int_sasl_config( struct ldapoptions *lo, int option, const char *arg )
962 case LDAP_OPT_X_SASL_SECPROPS:
963 rc = ldap_pvt_sasl_secprops( arg, &lo->ldo_sasl_secprops );
964 if( rc == LDAP_SUCCESS ) return 0;
971 ldap_int_sasl_get_option( LDAP *ld, int option, void *arg )
977 case LDAP_OPT_X_SASL_MECH: {
978 *(char **)arg = ld->ld_options.ldo_def_sasl_mech
979 ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_mech ) : NULL;
981 case LDAP_OPT_X_SASL_REALM: {
982 *(char **)arg = ld->ld_options.ldo_def_sasl_realm
983 ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_realm ) : NULL;
985 case LDAP_OPT_X_SASL_AUTHCID: {
986 *(char **)arg = ld->ld_options.ldo_def_sasl_authcid
987 ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_authcid ) : NULL;
989 case LDAP_OPT_X_SASL_AUTHZID: {
990 *(char **)arg = ld->ld_options.ldo_def_sasl_authzid
991 ? LDAP_STRDUP( ld->ld_options.ldo_def_sasl_authzid ) : NULL;
994 case LDAP_OPT_X_SASL_SSF: {
999 if( ld->ld_defconn == NULL ) {
1003 ctx = ld->ld_defconn->lconn_sasl_ctx;
1005 if ( ctx == NULL ) {
1009 sc = sasl_getprop( ctx, SASL_SSF,
1010 (SASL_CONST void **) &ssf );
1012 if ( sc != SASL_OK ) {
1016 *(ber_len_t *)arg = *ssf;
1019 case LDAP_OPT_X_SASL_SSF_EXTERNAL:
1020 /* this option is write only */
1023 case LDAP_OPT_X_SASL_SSF_MIN:
1024 *(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.min_ssf;
1026 case LDAP_OPT_X_SASL_SSF_MAX:
1027 *(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.max_ssf;
1029 case LDAP_OPT_X_SASL_MAXBUFSIZE:
1030 *(ber_len_t *)arg = ld->ld_options.ldo_sasl_secprops.maxbufsize;
1033 case LDAP_OPT_X_SASL_SECPROPS:
1034 /* this option is write only */
1044 ldap_int_sasl_set_option( LDAP *ld, int option, void *arg )
1050 case LDAP_OPT_X_SASL_SSF:
1051 /* This option is read-only */
1054 case LDAP_OPT_X_SASL_SSF_EXTERNAL: {
1056 #if SASL_VERSION_MAJOR < 2
1057 sasl_external_properties_t extprops;
1061 if( ld->ld_defconn == NULL ) {
1065 ctx = ld->ld_defconn->lconn_sasl_ctx;
1067 if ( ctx == NULL ) {
1071 #if SASL_VERSION_MAJOR >= 2
1072 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, arg);
1074 memset(&extprops, 0L, sizeof(extprops));
1076 extprops.ssf = * (ber_len_t *) arg;
1078 sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
1079 (void *) &extprops );
1082 if ( sc != SASL_OK ) {
1087 case LDAP_OPT_X_SASL_SSF_MIN:
1088 ld->ld_options.ldo_sasl_secprops.min_ssf = *(ber_len_t *)arg;
1090 case LDAP_OPT_X_SASL_SSF_MAX:
1091 ld->ld_options.ldo_sasl_secprops.max_ssf = *(ber_len_t *)arg;
1093 case LDAP_OPT_X_SASL_MAXBUFSIZE:
1094 ld->ld_options.ldo_sasl_secprops.maxbufsize = *(ber_len_t *)arg;
1097 case LDAP_OPT_X_SASL_SECPROPS: {
1099 sc = ldap_pvt_sasl_secprops( (char *) arg,
1100 &ld->ld_options.ldo_sasl_secprops );
1102 return sc == LDAP_SUCCESS ? 0 : -1;
1111 #ifdef LDAP_R_COMPILE
1112 #define LDAP_DEBUG_R_SASL
1113 void *ldap_pvt_sasl_mutex_new(void)
1115 ldap_pvt_thread_mutex_t *mutex;
1117 mutex = (ldap_pvt_thread_mutex_t *) LDAP_MALLOC(
1118 sizeof(ldap_pvt_thread_mutex_t) );
1120 if ( ldap_pvt_thread_mutex_init( mutex ) == 0 ) {
1123 #ifndef LDAP_DEBUG_R_SASL
1125 #endif /* !LDAP_DEBUG_R_SASL */
1129 int ldap_pvt_sasl_mutex_lock(void *mutex)
1131 #ifdef LDAP_DEBUG_R_SASL
1132 if ( mutex == NULL ) {
1135 #else /* !LDAP_DEBUG_R_SASL */
1137 #endif /* !LDAP_DEBUG_R_SASL */
1138 return ldap_pvt_thread_mutex_lock( (ldap_pvt_thread_mutex_t *)mutex )
1139 ? SASL_FAIL : SASL_OK;
1142 int ldap_pvt_sasl_mutex_unlock(void *mutex)
1144 #ifdef LDAP_DEBUG_R_SASL
1145 if ( mutex == NULL ) {
1148 #else /* !LDAP_DEBUG_R_SASL */
1150 #endif /* !LDAP_DEBUG_R_SASL */
1151 return ldap_pvt_thread_mutex_unlock( (ldap_pvt_thread_mutex_t *)mutex )
1152 ? SASL_FAIL : SASL_OK;
1155 void ldap_pvt_sasl_mutex_dispose(void *mutex)
1157 #ifdef LDAP_DEBUG_R_SASL
1158 if ( mutex == NULL ) {
1161 #else /* !LDAP_DEBUG_R_SASL */
1163 #endif /* !LDAP_DEBUG_R_SASL */
1164 (void) ldap_pvt_thread_mutex_destroy( (ldap_pvt_thread_mutex_t *)mutex );
1170 int ldap_int_sasl_init( void )
1171 { return LDAP_SUCCESS; }
1173 int ldap_int_sasl_close( LDAP *ld, LDAPConn *lc )
1174 { return LDAP_SUCCESS; }
1181 LDAPControl **sctrls,
1182 LDAPControl **cctrls,
1184 LDAP_SASL_INTERACT_PROC *interact,
1186 { return LDAP_NOT_SUPPORTED; }
1189 ldap_int_sasl_external(
1192 const char * authid,
1194 { return LDAP_SUCCESS; }
1196 #endif /* HAVE_CYRUS_SASL */