1 /* tls.c - Handle tls/ssl. */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 1998-2017 The OpenLDAP Foundation.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
16 /* ACKNOWLEDGEMENTS: restructured by Howard Chu.
20 #include "ldap_config.h"
24 #include <ac/stdlib.h>
26 #include <ac/socket.h>
27 #include <ac/string.h>
30 #include <ac/unistd.h>
32 #include <ac/dirent.h>
40 static tls_impl *tls_imp = &ldap_int_tls_impl;
41 #define HAS_TLS( sb ) ber_sockbuf_ctrl( sb, LBER_SB_OPT_HAS_IO, \
42 (void *)tls_imp->ti_sbio )
47 #define LDAP_USE_NON_BLOCKING_TLS
50 /* RFC2459 minimum required set of supported attribute types
53 typedef struct oid_name {
58 static oid_name oids[] = {
59 { BER_BVC("2.5.4.3"), BER_BVC("cn") },
60 { BER_BVC("2.5.4.4"), BER_BVC("sn") },
61 { BER_BVC("2.5.4.6"), BER_BVC("c") },
62 { BER_BVC("2.5.4.7"), BER_BVC("l") },
63 { BER_BVC("2.5.4.8"), BER_BVC("st") },
64 { BER_BVC("2.5.4.10"), BER_BVC("o") },
65 { BER_BVC("2.5.4.11"), BER_BVC("ou") },
66 { BER_BVC("2.5.4.12"), BER_BVC("title") },
67 { BER_BVC("2.5.4.41"), BER_BVC("name") },
68 { BER_BVC("2.5.4.42"), BER_BVC("givenName") },
69 { BER_BVC("2.5.4.43"), BER_BVC("initials") },
70 { BER_BVC("2.5.4.44"), BER_BVC("generationQualifier") },
71 { BER_BVC("2.5.4.46"), BER_BVC("dnQualifier") },
72 { BER_BVC("1.2.840.113549.1.9.1"), BER_BVC("email") },
73 { BER_BVC("0.9.2342.19200300.100.1.25"), BER_BVC("dc") },
74 { BER_BVNULL, BER_BVNULL }
80 ldap_pvt_tls_ctx_free ( void *c )
83 tls_imp->ti_ctx_free( c );
87 tls_ctx_ref( tls_ctx *ctx )
91 tls_imp->ti_ctx_ref( ctx );
96 * an extra mutex for the default ctx.
98 static ldap_pvt_thread_mutex_t tls_def_ctx_mutex;
102 ldap_int_tls_destroy( struct ldapoptions *lo )
104 if ( lo->ldo_tls_ctx ) {
105 ldap_pvt_tls_ctx_free( lo->ldo_tls_ctx );
106 lo->ldo_tls_ctx = NULL;
109 if ( lo->ldo_tls_certfile ) {
110 LDAP_FREE( lo->ldo_tls_certfile );
111 lo->ldo_tls_certfile = NULL;
113 if ( lo->ldo_tls_keyfile ) {
114 LDAP_FREE( lo->ldo_tls_keyfile );
115 lo->ldo_tls_keyfile = NULL;
117 if ( lo->ldo_tls_dhfile ) {
118 LDAP_FREE( lo->ldo_tls_dhfile );
119 lo->ldo_tls_dhfile = NULL;
121 if ( lo->ldo_tls_ecname ) {
122 LDAP_FREE( lo->ldo_tls_ecname );
123 lo->ldo_tls_ecname = NULL;
125 if ( lo->ldo_tls_cacertfile ) {
126 LDAP_FREE( lo->ldo_tls_cacertfile );
127 lo->ldo_tls_cacertfile = NULL;
129 if ( lo->ldo_tls_cacertdir ) {
130 LDAP_FREE( lo->ldo_tls_cacertdir );
131 lo->ldo_tls_cacertdir = NULL;
133 if ( lo->ldo_tls_ciphersuite ) {
134 LDAP_FREE( lo->ldo_tls_ciphersuite );
135 lo->ldo_tls_ciphersuite = NULL;
137 if ( lo->ldo_tls_crlfile ) {
138 LDAP_FREE( lo->ldo_tls_crlfile );
139 lo->ldo_tls_crlfile = NULL;
141 /* tls_pin_hashalg and tls_pin share the same buffer */
142 if ( lo->ldo_tls_pin_hashalg ) {
143 LDAP_FREE( lo->ldo_tls_pin_hashalg );
144 lo->ldo_tls_pin_hashalg = NULL;
146 LDAP_FREE( lo->ldo_tls_pin.bv_val );
148 BER_BVZERO( &lo->ldo_tls_pin );
152 * Tear down the TLS subsystem. Should only be called once.
155 ldap_pvt_tls_destroy( void )
157 struct ldapoptions *lo = LDAP_INT_GLOBAL_OPT();
159 ldap_int_tls_destroy( lo );
161 tls_imp->ti_tls_destroy();
165 * Initialize a particular TLS implementation.
166 * Called once per implementation.
169 tls_init(tls_impl *impl )
171 static int tls_initialized = 0;
173 if ( !tls_initialized++ ) {
174 #ifdef LDAP_R_COMPILE
175 ldap_pvt_thread_mutex_init( &tls_def_ctx_mutex );
179 if ( impl->ti_inited++ ) return 0;
181 #ifdef LDAP_R_COMPILE
184 return impl->ti_tls_init();
188 * Initialize TLS subsystem. Called once per implementation.
191 ldap_pvt_tls_init( void )
193 return tls_init( tls_imp );
197 * initialize a new TLS context
200 ldap_int_tls_init_ctx( struct ldapoptions *lo, int is_server )
203 tls_impl *ti = tls_imp;
204 struct ldaptls lts = lo->ldo_tls_info;
206 if ( lo->ldo_tls_ctx )
211 if ( is_server && !lts.lt_certfile && !lts.lt_keyfile &&
212 !lts.lt_cacertfile && !lts.lt_cacertdir &&
213 !lts.lt_cacert.bv_val && !lts.lt_cert.bv_val &&
214 !lts.lt_key.bv_val ) {
215 /* minimum configuration not provided */
216 return LDAP_NOT_SUPPORTED;
220 /* This ASCII/EBCDIC handling is a real pain! */
221 if ( lts.lt_ciphersuite ) {
222 lts.lt_ciphersuite = LDAP_STRDUP( lts.lt_ciphersuite );
223 __atoe( lts.lt_ciphersuite );
225 if ( lts.lt_cacertfile ) {
226 lts.lt_cacertfile = LDAP_STRDUP( lts.lt_cacertfile );
227 __atoe( lts.lt_cacertfile );
229 if ( lts.lt_certfile ) {
230 lts.lt_certfile = LDAP_STRDUP( lts.lt_certfile );
231 __atoe( lts.lt_certfile );
233 if ( lts.lt_keyfile ) {
234 lts.lt_keyfile = LDAP_STRDUP( lts.lt_keyfile );
235 __atoe( lts.lt_keyfile );
237 if ( lts.lt_crlfile ) {
238 lts.lt_crlfile = LDAP_STRDUP( lts.lt_crlfile );
239 __atoe( lts.lt_crlfile );
241 if ( lts.lt_cacertdir ) {
242 lts.lt_cacertdir = LDAP_STRDUP( lts.lt_cacertdir );
243 __atoe( lts.lt_cacertdir );
245 if ( lts.lt_dhfile ) {
246 lts.lt_dhfile = LDAP_STRDUP( lts.lt_dhfile );
247 __atoe( lts.lt_dhfile );
249 if ( lts.lt_ecname ) {
250 lts.lt_ecname = LDAP_STRDUP( lts.lt_ecname );
251 __atoe( lts.lt_ecname );
254 lo->ldo_tls_ctx = ti->ti_ctx_new( lo );
255 if ( lo->ldo_tls_ctx == NULL ) {
256 Debug( LDAP_DEBUG_ANY,
257 "TLS: could not allocate default ctx.\n",
263 rc = ti->ti_ctx_init( lo, <s, is_server );
266 if ( rc < 0 && lo->ldo_tls_ctx != NULL ) {
267 ldap_pvt_tls_ctx_free( lo->ldo_tls_ctx );
268 lo->ldo_tls_ctx = NULL;
271 LDAP_FREE( lts.lt_ciphersuite );
272 LDAP_FREE( lts.lt_cacertfile );
273 LDAP_FREE( lts.lt_certfile );
274 LDAP_FREE( lts.lt_keyfile );
275 LDAP_FREE( lts.lt_crlfile );
276 LDAP_FREE( lts.lt_cacertdir );
277 LDAP_FREE( lts.lt_dhfile );
278 LDAP_FREE( lts.lt_ecname );
284 * initialize the default context
287 ldap_pvt_tls_init_def_ctx( int is_server )
289 struct ldapoptions *lo = LDAP_INT_GLOBAL_OPT();
291 LDAP_MUTEX_LOCK( &tls_def_ctx_mutex );
292 rc = ldap_int_tls_init_ctx( lo, is_server );
293 LDAP_MUTEX_UNLOCK( &tls_def_ctx_mutex );
298 alloc_handle( void *ctx_arg, int is_server )
306 struct ldapoptions *lo = LDAP_INT_GLOBAL_OPT();
307 if ( ldap_pvt_tls_init_def_ctx( is_server ) < 0 ) return NULL;
308 ctx = lo->ldo_tls_ctx;
311 ssl = tls_imp->ti_session_new( ctx, is_server );
313 Debug( LDAP_DEBUG_ANY,"TLS: can't create ssl handle.\n",0,0,0);
320 update_flags( Sockbuf *sb, tls_session * ssl, int rc )
322 sb->sb_trans_needs_read = 0;
323 sb->sb_trans_needs_write = 0;
325 return tls_imp->ti_session_upflags( sb, ssl, rc );
329 * Call this to do a TLS connect on a sockbuf. ctx_arg can be
330 * a SSL_CTX * or NULL, in which case the default ctx is used.
334 * 0 - Success. Connection is ready for communication.
335 * <0 - Error. Can't create a TLS stream.
336 * >0 - Partial success.
337 * Do a select (using information from lber_pvt_sb_needs_{read,write}
342 ldap_int_tls_connect( LDAP *ld, LDAPConn *conn, const char *host )
344 Sockbuf *sb = conn->lconn_sb;
346 tls_session *ssl = NULL;
348 if ( HAS_TLS( sb )) {
349 ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_SSL, (void *)&ssl );
351 struct ldapoptions *lo;
354 ctx = ld->ld_options.ldo_tls_ctx;
356 ssl = alloc_handle( ctx, 0 );
358 if ( ssl == NULL ) return -1;
361 ber_sockbuf_add_io( sb, &ber_sockbuf_io_debug,
362 LBER_SBIOD_LEVEL_TRANSPORT, (void *)"tls_" );
364 ber_sockbuf_add_io( sb, tls_imp->ti_sbio,
365 LBER_SBIOD_LEVEL_TRANSPORT, (void *)ssl );
367 lo = LDAP_INT_GLOBAL_OPT();
369 ctx = lo->ldo_tls_ctx;
370 ld->ld_options.ldo_tls_ctx = ctx;
373 if ( ld->ld_options.ldo_tls_connect_cb )
374 ld->ld_options.ldo_tls_connect_cb( ld, ssl, ctx,
375 ld->ld_options.ldo_tls_connect_arg );
376 if ( lo && lo->ldo_tls_connect_cb && lo->ldo_tls_connect_cb !=
377 ld->ld_options.ldo_tls_connect_cb )
378 lo->ldo_tls_connect_cb( ld, ssl, ctx, lo->ldo_tls_connect_arg );
381 err = tls_imp->ti_session_connect( ld, ssl );
384 errno = WSAGetLastError();
388 err = ldap_pvt_tls_check_hostname( ld, ssl, host );
394 if ( update_flags( sb, ssl, err )) {
398 msg = tls_imp->ti_session_errmsg( ssl, err, buf, sizeof(buf) );
400 if ( ld->ld_error ) {
401 LDAP_FREE( ld->ld_error );
403 ld->ld_error = LDAP_STRDUP( msg );
405 if ( ld->ld_error ) __etoa(ld->ld_error);
409 Debug( LDAP_DEBUG_ANY,"TLS: can't connect: %s.\n",
410 ld->ld_error ? ld->ld_error : "" ,0,0);
412 ber_sockbuf_remove_io( sb, tls_imp->ti_sbio,
413 LBER_SBIOD_LEVEL_TRANSPORT );
415 ber_sockbuf_remove_io( sb, &ber_sockbuf_io_debug,
416 LBER_SBIOD_LEVEL_TRANSPORT );
425 * Call this to do a TLS accept on a sockbuf.
426 * Everything else is the same as with tls_connect.
429 ldap_pvt_tls_accept( Sockbuf *sb, void *ctx_arg )
432 tls_session *ssl = NULL;
434 if ( HAS_TLS( sb )) {
435 ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_SSL, (void *)&ssl );
437 ssl = alloc_handle( ctx_arg, 1 );
438 if ( ssl == NULL ) return -1;
441 ber_sockbuf_add_io( sb, &ber_sockbuf_io_debug,
442 LBER_SBIOD_LEVEL_TRANSPORT, (void *)"tls_" );
444 ber_sockbuf_add_io( sb, tls_imp->ti_sbio,
445 LBER_SBIOD_LEVEL_TRANSPORT, (void *)ssl );
448 err = tls_imp->ti_session_accept( ssl );
451 errno = WSAGetLastError();
456 if ( update_flags( sb, ssl, err )) return 1;
458 if ( DebugTest( LDAP_DEBUG_ANY ) ) {
460 msg = tls_imp->ti_session_errmsg( ssl, err, buf, sizeof(buf) );
461 Debug( LDAP_DEBUG_ANY,"TLS: can't accept: %s.\n",
462 msg ? msg : "(unknown)", 0, 0 );
465 ber_sockbuf_remove_io( sb, tls_imp->ti_sbio,
466 LBER_SBIOD_LEVEL_TRANSPORT );
468 ber_sockbuf_remove_io( sb, &ber_sockbuf_io_debug,
469 LBER_SBIOD_LEVEL_TRANSPORT );
477 ldap_pvt_tls_inplace ( Sockbuf *sb )
479 return HAS_TLS( sb ) ? 1 : 0;
483 ldap_tls_inplace( LDAP *ld )
487 if ( ld->ld_defconn && ld->ld_defconn->lconn_sb ) {
488 sb = ld->ld_defconn->lconn_sb;
490 } else if ( ld->ld_sb ) {
497 return ldap_pvt_tls_inplace( sb );
501 ldap_pvt_tls_get_peer_dn( void *s, struct berval *dn,
502 LDAPDN_rewrite_dummy *func, unsigned flags )
504 tls_session *session = s;
508 rc = tls_imp->ti_session_peer_dn( session, &bvdn );
511 rc = ldap_X509dn2bv( &bvdn, dn,
512 (LDAPDN_rewrite_func *)func, flags);
517 ldap_pvt_tls_check_hostname( LDAP *ld, void *s, const char *name_in )
519 tls_session *session = s;
521 if (ld->ld_options.ldo_tls_require_cert != LDAP_OPT_X_TLS_NEVER &&
522 ld->ld_options.ldo_tls_require_cert != LDAP_OPT_X_TLS_ALLOW) {
523 ld->ld_errno = tls_imp->ti_session_chkhost( ld, session, name_in );
524 if (ld->ld_errno != LDAP_SUCCESS) {
530 * If instructed to do pinning, do it now
532 if ( !BER_BVISNULL( &ld->ld_options.ldo_tls_pin ) ) {
533 ld->ld_errno = tls_imp->ti_session_pinning( ld, s,
534 ld->ld_options.ldo_tls_pin_hashalg,
535 &ld->ld_options.ldo_tls_pin );
536 if (ld->ld_errno != LDAP_SUCCESS) {
545 ldap_pvt_tls_config( LDAP *ld, int option, const char *arg )
550 case LDAP_OPT_X_TLS_CACERTFILE:
551 case LDAP_OPT_X_TLS_CACERTDIR:
552 case LDAP_OPT_X_TLS_CERTFILE:
553 case LDAP_OPT_X_TLS_KEYFILE:
554 case LDAP_OPT_X_TLS_RANDOM_FILE:
555 case LDAP_OPT_X_TLS_CIPHER_SUITE:
556 case LDAP_OPT_X_TLS_DHFILE:
557 case LDAP_OPT_X_TLS_PEERKEY_HASH:
558 case LDAP_OPT_X_TLS_CRLFILE: /* GnuTLS only */
559 return ldap_pvt_tls_set_option( ld, option, (void *) arg );
561 case LDAP_OPT_X_TLS_REQUIRE_CERT:
564 if ( strcasecmp( arg, "never" ) == 0 ) {
565 i = LDAP_OPT_X_TLS_NEVER ;
567 } else if ( strcasecmp( arg, "demand" ) == 0 ) {
568 i = LDAP_OPT_X_TLS_DEMAND ;
570 } else if ( strcasecmp( arg, "allow" ) == 0 ) {
571 i = LDAP_OPT_X_TLS_ALLOW ;
573 } else if ( strcasecmp( arg, "try" ) == 0 ) {
574 i = LDAP_OPT_X_TLS_TRY ;
576 } else if ( ( strcasecmp( arg, "hard" ) == 0 ) ||
577 ( strcasecmp( arg, "on" ) == 0 ) ||
578 ( strcasecmp( arg, "yes" ) == 0) ||
579 ( strcasecmp( arg, "true" ) == 0 ) )
581 i = LDAP_OPT_X_TLS_HARD ;
585 return ldap_pvt_tls_set_option( ld, option, &i );
588 case LDAP_OPT_X_TLS_PROTOCOL_MIN: {
591 l = strtol( arg, &next, 10 );
592 if ( l < 0 || l > 0xff || next == arg ||
593 ( *next != '\0' && *next != '.' ) )
598 l = strtol( arg, &next, 10 );
599 if ( l < 0 || l > 0xff || next == arg || *next != '\0' )
603 return ldap_pvt_tls_set_option( ld, option, &i );
605 #ifdef HAVE_OPENSSL_CRL
606 case LDAP_OPT_X_TLS_CRLCHECK: /* OpenSSL only */
608 if ( strcasecmp( arg, "none" ) == 0 ) {
609 i = LDAP_OPT_X_TLS_CRL_NONE ;
610 } else if ( strcasecmp( arg, "peer" ) == 0 ) {
611 i = LDAP_OPT_X_TLS_CRL_PEER ;
612 } else if ( strcasecmp( arg, "all" ) == 0 ) {
613 i = LDAP_OPT_X_TLS_CRL_ALL ;
616 return ldap_pvt_tls_set_option( ld, option, &i );
625 ldap_pvt_tls_get_option( LDAP *ld, int option, void *arg )
627 struct ldapoptions *lo;
629 if( option == LDAP_OPT_X_TLS_PACKAGE ) {
630 *(char **)arg = LDAP_STRDUP( tls_imp->ti_name );
635 assert( LDAP_VALID( ld ) );
637 if( !LDAP_VALID( ld ) ) {
638 return LDAP_OPT_ERROR;
641 lo = &ld->ld_options;
644 /* Get pointer to global option structure */
645 lo = LDAP_INT_GLOBAL_OPT();
647 return LDAP_NO_MEMORY;
653 *(int *)arg = lo->ldo_tls_mode;
655 case LDAP_OPT_X_TLS_CTX:
656 *(void **)arg = lo->ldo_tls_ctx;
657 if ( lo->ldo_tls_ctx ) {
658 tls_ctx_ref( lo->ldo_tls_ctx );
661 case LDAP_OPT_X_TLS_CACERTFILE:
662 *(char **)arg = lo->ldo_tls_cacertfile ?
663 LDAP_STRDUP( lo->ldo_tls_cacertfile ) : NULL;
665 case LDAP_OPT_X_TLS_CACERTDIR:
666 *(char **)arg = lo->ldo_tls_cacertdir ?
667 LDAP_STRDUP( lo->ldo_tls_cacertdir ) : NULL;
669 case LDAP_OPT_X_TLS_CERTFILE:
670 *(char **)arg = lo->ldo_tls_certfile ?
671 LDAP_STRDUP( lo->ldo_tls_certfile ) : NULL;
673 case LDAP_OPT_X_TLS_KEYFILE:
674 *(char **)arg = lo->ldo_tls_keyfile ?
675 LDAP_STRDUP( lo->ldo_tls_keyfile ) : NULL;
677 case LDAP_OPT_X_TLS_DHFILE:
678 *(char **)arg = lo->ldo_tls_dhfile ?
679 LDAP_STRDUP( lo->ldo_tls_dhfile ) : NULL;
681 case LDAP_OPT_X_TLS_ECNAME:
682 *(char **)arg = lo->ldo_tls_ecname ?
683 LDAP_STRDUP( lo->ldo_tls_ecname ) : NULL;
685 case LDAP_OPT_X_TLS_CRLFILE: /* GnuTLS only */
686 *(char **)arg = lo->ldo_tls_crlfile ?
687 LDAP_STRDUP( lo->ldo_tls_crlfile ) : NULL;
689 case LDAP_OPT_X_TLS_REQUIRE_CERT:
690 *(int *)arg = lo->ldo_tls_require_cert;
692 #ifdef HAVE_OPENSSL_CRL
693 case LDAP_OPT_X_TLS_CRLCHECK: /* OpenSSL only */
694 *(int *)arg = lo->ldo_tls_crlcheck;
697 case LDAP_OPT_X_TLS_CIPHER_SUITE:
698 *(char **)arg = lo->ldo_tls_ciphersuite ?
699 LDAP_STRDUP( lo->ldo_tls_ciphersuite ) : NULL;
701 case LDAP_OPT_X_TLS_PROTOCOL_MIN:
702 *(int *)arg = lo->ldo_tls_protocol_min;
704 case LDAP_OPT_X_TLS_RANDOM_FILE:
705 *(char **)arg = lo->ldo_tls_randfile ?
706 LDAP_STRDUP( lo->ldo_tls_randfile ) : NULL;
708 case LDAP_OPT_X_TLS_SSL_CTX: {
711 LDAPConn *conn = ld->ld_defconn;
712 if ( conn != NULL ) {
713 Sockbuf *sb = conn->lconn_sb;
714 retval = ldap_pvt_tls_sb_ctx( sb );
717 *(void **)arg = retval;
720 case LDAP_OPT_X_TLS_CONNECT_CB:
721 *(LDAP_TLS_CONNECT_CB **)arg = lo->ldo_tls_connect_cb;
723 case LDAP_OPT_X_TLS_CONNECT_ARG:
724 *(void **)arg = lo->ldo_tls_connect_arg;
726 case LDAP_OPT_X_TLS_VERSION: {
728 const char *retval = NULL;
730 LDAPConn *conn = ld->ld_defconn;
731 if ( conn != NULL ) {
732 Sockbuf *sb = conn->lconn_sb;
733 sess = ldap_pvt_tls_sb_ctx( sb );
735 retval = ldap_pvt_tls_get_version( sess );
738 *(char **)arg = retval ? LDAP_STRDUP( retval ) : NULL;
741 case LDAP_OPT_X_TLS_CIPHER: {
743 const char *retval = NULL;
745 LDAPConn *conn = ld->ld_defconn;
746 if ( conn != NULL ) {
747 Sockbuf *sb = conn->lconn_sb;
748 sess = ldap_pvt_tls_sb_ctx( sb );
750 retval = ldap_pvt_tls_get_cipher( sess );
753 *(char **)arg = retval ? LDAP_STRDUP( retval ) : NULL;
756 case LDAP_OPT_X_TLS_PEERCERT: {
758 struct berval *bv = arg;
762 LDAPConn *conn = ld->ld_defconn;
763 if ( conn != NULL ) {
764 Sockbuf *sb = conn->lconn_sb;
765 sess = ldap_pvt_tls_sb_ctx( sb );
767 return ldap_pvt_tls_get_peercert( sess, bv );
772 case LDAP_OPT_X_TLS_CACERT: {
773 struct berval *bv = arg;
774 if ( lo->ldo_tls_cacert.bv_val ) {
775 ber_dupbv( bv, &lo->ldo_tls_cacert );
781 case LDAP_OPT_X_TLS_CERT: {
782 struct berval *bv = arg;
783 if ( lo->ldo_tls_cert.bv_val ) {
784 ber_dupbv( bv, &lo->ldo_tls_cert );
790 case LDAP_OPT_X_TLS_KEY: {
791 struct berval *bv = arg;
792 if ( lo->ldo_tls_key.bv_val ) {
793 ber_dupbv( bv, &lo->ldo_tls_key );
807 ldap_pvt_tls_set_option( LDAP *ld, int option, void *arg )
809 struct ldapoptions *lo;
812 assert( LDAP_VALID( ld ) );
814 if( !LDAP_VALID( ld ) ) {
815 return LDAP_OPT_ERROR;
818 lo = &ld->ld_options;
821 /* Get pointer to global option structure */
822 lo = LDAP_INT_GLOBAL_OPT();
824 return LDAP_NO_MEMORY;
830 if ( !arg ) return -1;
832 switch( *(int *) arg ) {
833 case LDAP_OPT_X_TLS_NEVER:
834 case LDAP_OPT_X_TLS_DEMAND:
835 case LDAP_OPT_X_TLS_ALLOW:
836 case LDAP_OPT_X_TLS_TRY:
837 case LDAP_OPT_X_TLS_HARD:
839 lo->ldo_tls_mode = *(int *)arg;
846 case LDAP_OPT_X_TLS_CTX:
847 if ( lo->ldo_tls_ctx )
848 ldap_pvt_tls_ctx_free( lo->ldo_tls_ctx );
849 lo->ldo_tls_ctx = arg;
850 tls_ctx_ref( lo->ldo_tls_ctx );
852 case LDAP_OPT_X_TLS_CONNECT_CB:
853 lo->ldo_tls_connect_cb = (LDAP_TLS_CONNECT_CB *)arg;
855 case LDAP_OPT_X_TLS_CONNECT_ARG:
856 lo->ldo_tls_connect_arg = arg;
858 case LDAP_OPT_X_TLS_CACERTFILE:
859 if ( lo->ldo_tls_cacertfile ) LDAP_FREE( lo->ldo_tls_cacertfile );
860 lo->ldo_tls_cacertfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
862 case LDAP_OPT_X_TLS_CACERTDIR:
863 if ( lo->ldo_tls_cacertdir ) LDAP_FREE( lo->ldo_tls_cacertdir );
864 lo->ldo_tls_cacertdir = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
866 case LDAP_OPT_X_TLS_CERTFILE:
867 if ( lo->ldo_tls_certfile ) LDAP_FREE( lo->ldo_tls_certfile );
868 lo->ldo_tls_certfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
870 case LDAP_OPT_X_TLS_KEYFILE:
871 if ( lo->ldo_tls_keyfile ) LDAP_FREE( lo->ldo_tls_keyfile );
872 lo->ldo_tls_keyfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
874 case LDAP_OPT_X_TLS_DHFILE:
875 if ( lo->ldo_tls_dhfile ) LDAP_FREE( lo->ldo_tls_dhfile );
876 lo->ldo_tls_dhfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
878 case LDAP_OPT_X_TLS_ECNAME:
879 if ( lo->ldo_tls_ecname ) LDAP_FREE( lo->ldo_tls_ecname );
880 lo->ldo_tls_ecname = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
882 case LDAP_OPT_X_TLS_CRLFILE: /* GnuTLS only */
883 if ( lo->ldo_tls_crlfile ) LDAP_FREE( lo->ldo_tls_crlfile );
884 lo->ldo_tls_crlfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
886 case LDAP_OPT_X_TLS_REQUIRE_CERT:
887 if ( !arg ) return -1;
888 switch( *(int *) arg ) {
889 case LDAP_OPT_X_TLS_NEVER:
890 case LDAP_OPT_X_TLS_DEMAND:
891 case LDAP_OPT_X_TLS_ALLOW:
892 case LDAP_OPT_X_TLS_TRY:
893 case LDAP_OPT_X_TLS_HARD:
894 lo->ldo_tls_require_cert = * (int *) arg;
898 #ifdef HAVE_OPENSSL_CRL
899 case LDAP_OPT_X_TLS_CRLCHECK: /* OpenSSL only */
900 if ( !arg ) return -1;
901 switch( *(int *) arg ) {
902 case LDAP_OPT_X_TLS_CRL_NONE:
903 case LDAP_OPT_X_TLS_CRL_PEER:
904 case LDAP_OPT_X_TLS_CRL_ALL:
905 lo->ldo_tls_crlcheck = * (int *) arg;
910 case LDAP_OPT_X_TLS_CIPHER_SUITE:
911 if ( lo->ldo_tls_ciphersuite ) LDAP_FREE( lo->ldo_tls_ciphersuite );
912 lo->ldo_tls_ciphersuite = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
915 case LDAP_OPT_X_TLS_PROTOCOL_MIN:
916 if ( !arg ) return -1;
917 lo->ldo_tls_protocol_min = *(int *)arg;
919 case LDAP_OPT_X_TLS_RANDOM_FILE:
922 if ( lo->ldo_tls_randfile ) LDAP_FREE (lo->ldo_tls_randfile );
923 lo->ldo_tls_randfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
925 case LDAP_OPT_X_TLS_NEWCTX:
926 if ( !arg ) return -1;
927 if ( lo->ldo_tls_ctx )
928 ldap_pvt_tls_ctx_free( lo->ldo_tls_ctx );
929 lo->ldo_tls_ctx = NULL;
930 return ldap_int_tls_init_ctx( lo, *(int *)arg );
931 case LDAP_OPT_X_TLS_CACERT:
932 if ( lo->ldo_tls_cacert.bv_val )
933 LDAP_FREE( lo->ldo_tls_cacert.bv_val );
935 lo->ldo_tls_cacert.bv_len = ((struct berval *)arg)->bv_len;
936 lo->ldo_tls_cacert.bv_val = LDAP_MALLOC( lo->ldo_tls_cacert.bv_len );
937 if ( !lo->ldo_tls_cacert.bv_val )
939 AC_MEMCPY( lo->ldo_tls_cacert.bv_val, ((struct berval *)arg)->bv_val, lo->ldo_tls_cacert.bv_len );
941 BER_BVZERO( &lo->ldo_tls_cacert );
944 case LDAP_OPT_X_TLS_CERT:
945 if ( lo->ldo_tls_cert.bv_val )
946 LDAP_FREE( lo->ldo_tls_cert.bv_val );
948 lo->ldo_tls_cert.bv_len = ((struct berval *)arg)->bv_len;
949 lo->ldo_tls_cert.bv_val = LDAP_MALLOC( lo->ldo_tls_cert.bv_len );
950 if ( !lo->ldo_tls_cert.bv_val )
952 AC_MEMCPY( lo->ldo_tls_cert.bv_val, ((struct berval *)arg)->bv_val, lo->ldo_tls_cert.bv_len );
954 BER_BVZERO( &lo->ldo_tls_cert );
957 case LDAP_OPT_X_TLS_KEY:
958 if ( lo->ldo_tls_key.bv_val )
959 LDAP_FREE( lo->ldo_tls_key.bv_val );
961 lo->ldo_tls_key.bv_len = ((struct berval *)arg)->bv_len;
962 lo->ldo_tls_key.bv_val = LDAP_MALLOC( lo->ldo_tls_key.bv_len );
963 if ( !lo->ldo_tls_key.bv_val )
965 AC_MEMCPY( lo->ldo_tls_key.bv_val, ((struct berval *)arg)->bv_val, lo->ldo_tls_key.bv_len );
967 BER_BVZERO( &lo->ldo_tls_key );
970 case LDAP_OPT_X_TLS_PEERKEY_HASH: {
971 /* arg = "[hashalg:]pubkey_hash" */
974 int rc = LDAP_SUCCESS;
976 if ( !tls_imp->ti_session_pinning ) return -1;
979 if ( lo->ldo_tls_pin_hashalg ) {
980 LDAP_FREE( lo->ldo_tls_pin_hashalg );
981 } else if ( lo->ldo_tls_pin.bv_val ) {
982 LDAP_FREE( lo->ldo_tls_pin.bv_val );
984 lo->ldo_tls_pin_hashalg = NULL;
985 BER_BVZERO( &lo->ldo_tls_pin );
989 pin = LDAP_STRDUP( pin );
990 p = strchr( pin, ':' );
992 /* pubkey (its hash) goes in bv, alg in p */
1001 bv.bv_len = strlen(bv.bv_val);
1002 if ( ldap_int_decode_b64_inplace( &bv ) ) {
1008 LDAPConn *conn = ld->ld_defconn;
1009 if ( conn != NULL ) {
1010 Sockbuf *sb = conn->lconn_sb;
1011 void *sess = ldap_pvt_tls_sb_ctx( sb );
1012 if ( sess != NULL ) {
1013 rc = tls_imp->ti_session_pinning( ld, sess, p, &bv );
1018 if ( rc == LDAP_SUCCESS ) {
1019 if ( lo->ldo_tls_pin_hashalg ) {
1020 LDAP_FREE( lo->ldo_tls_pin_hashalg );
1021 } else if ( lo->ldo_tls_pin.bv_val ) {
1022 LDAP_FREE( lo->ldo_tls_pin.bv_val );
1024 lo->ldo_tls_pin_hashalg = p;
1025 lo->ldo_tls_pin = bv;
1039 ldap_int_tls_start ( LDAP *ld, LDAPConn *conn, LDAPURLDesc *srv )
1045 #ifdef LDAP_USE_NON_BLOCKING_TLS
1046 struct timeval start_time_tv, tv, tv0;
1047 ber_socket_t sd = AC_SOCKET_ERROR;
1048 #endif /* LDAP_USE_NON_BLOCKING_TLS */
1051 return LDAP_PARAM_ERROR;
1053 sb = conn->lconn_sb;
1055 host = srv->lud_host;
1057 host = conn->lconn_server->lud_host;
1060 /* avoid NULL host */
1061 if( host == NULL ) {
1065 (void) tls_init( tls_imp );
1067 #ifdef LDAP_USE_NON_BLOCKING_TLS
1069 * Use non-blocking io during SSL Handshake when a timeout is configured
1071 if ( ld->ld_options.ldo_tm_net.tv_sec >= 0 ) {
1072 ber_sockbuf_ctrl( sb, LBER_SB_OPT_SET_NONBLOCK, (void*)1 );
1073 ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_FD, &sd );
1074 tv = ld->ld_options.ldo_tm_net;
1076 #ifdef HAVE_GETTIMEOFDAY
1077 gettimeofday( &start_time_tv, NULL );
1078 #else /* ! HAVE_GETTIMEOFDAY */
1079 time( &start_time_tv.tv_sec );
1080 start_time_tv.tv_usec = 0;
1081 #endif /* ! HAVE_GETTIMEOFDAY */
1084 #endif /* LDAP_USE_NON_BLOCKING_TLS */
1086 ld->ld_errno = LDAP_SUCCESS;
1087 ret = ldap_int_tls_connect( ld, conn, host );
1089 #ifdef LDAP_USE_NON_BLOCKING_TLS
1090 while ( ret > 0 ) { /* this should only happen for non-blocking io */
1093 if ( sb->sb_trans_needs_read ) {
1095 } else if ( sb->sb_trans_needs_write ) {
1098 Debug( LDAP_DEBUG_TRACE, "ldap_int_tls_start: ldap_int_tls_connect needs %s\n",
1099 wr ? "write": "read", 0, 0);
1101 ret = ldap_int_poll( ld, sd, &tv, wr);
1103 ld->ld_errno = LDAP_TIMEOUT;
1106 /* ldap_int_poll called ldap_pvt_ndelay_off */
1107 ber_sockbuf_ctrl( sb, LBER_SB_OPT_SET_NONBLOCK, (void*)1 );
1108 ret = ldap_int_tls_connect( ld, conn, host );
1109 if ( ret > 0 ) { /* need to call tls_connect once more */
1110 struct timeval curr_time_tv, delta_tv;
1112 /* This is mostly copied from result.c:wait4msg(), should
1113 * probably be moved into a separate function */
1114 #ifdef HAVE_GETTIMEOFDAY
1115 gettimeofday( &curr_time_tv, NULL );
1116 #else /* ! HAVE_GETTIMEOFDAY */
1117 time( &curr_time_tv.tv_sec );
1118 curr_time_tv.tv_usec = 0;
1119 #endif /* ! HAVE_GETTIMEOFDAY */
1121 /* delta = curr - start */
1122 delta_tv.tv_sec = curr_time_tv.tv_sec - start_time_tv.tv_sec;
1123 delta_tv.tv_usec = curr_time_tv.tv_usec - start_time_tv.tv_usec;
1124 if ( delta_tv.tv_usec < 0 ) {
1126 delta_tv.tv_usec += 1000000;
1130 if ( ( tv0.tv_sec < delta_tv.tv_sec ) ||
1131 ( ( tv0.tv_sec == delta_tv.tv_sec ) &&
1132 ( tv0.tv_usec < delta_tv.tv_usec ) ) )
1135 ld->ld_errno = LDAP_TIMEOUT;
1138 /* timeout -= delta_time */
1139 tv0.tv_sec -= delta_tv.tv_sec;
1140 tv0.tv_usec -= delta_tv.tv_usec;
1141 if ( tv0.tv_usec < 0 ) {
1143 tv0.tv_usec += 1000000;
1145 start_time_tv.tv_sec = curr_time_tv.tv_sec;
1146 start_time_tv.tv_usec = curr_time_tv.tv_usec;
1149 Debug( LDAP_DEBUG_TRACE, "ldap_int_tls_start: ld %p %ld s %ld us to go\n",
1150 (void *)ld, (long) tv.tv_sec, (long) tv.tv_usec );
1154 if ( ld->ld_options.ldo_tm_net.tv_sec >= 0 ) {
1155 ber_sockbuf_ctrl( sb, LBER_SB_OPT_SET_NONBLOCK, NULL );
1157 #endif /* LDAP_USE_NON_BLOCKING_TLS */
1160 if ( ld->ld_errno == LDAP_SUCCESS )
1161 ld->ld_errno = LDAP_CONNECT_ERROR;
1162 return (ld->ld_errno);
1165 return LDAP_SUCCESS;
1169 ldap_pvt_tls_sb_ctx( Sockbuf *sb )
1173 ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_SSL, (void *)&p );
1178 ldap_pvt_tls_get_strength( void *s )
1180 tls_session *session = s;
1182 return tls_imp->ti_session_strength( session );
1186 ldap_pvt_tls_get_my_dn( void *s, struct berval *dn, LDAPDN_rewrite_dummy *func, unsigned flags )
1188 tls_session *session = s;
1189 struct berval der_dn;
1192 rc = tls_imp->ti_session_my_dn( session, &der_dn );
1193 if ( rc == LDAP_SUCCESS )
1194 rc = ldap_X509dn2bv(&der_dn, dn, (LDAPDN_rewrite_func *)func, flags );
1199 ldap_pvt_tls_get_unique( void *s, struct berval *buf, int is_server )
1201 tls_session *session = s;
1202 return tls_imp->ti_session_unique( session, buf, is_server );
1206 ldap_pvt_tls_get_version( void *s )
1208 tls_session *session = s;
1209 return tls_imp->ti_session_version( session );
1213 ldap_pvt_tls_get_cipher( void *s )
1215 tls_session *session = s;
1216 return tls_imp->ti_session_cipher( session );
1220 ldap_pvt_tls_get_peercert( void *s, struct berval *der )
1222 tls_session *session = s;
1223 return tls_imp->ti_session_peercert( session, der );
1225 #endif /* HAVE_TLS */
1228 ldap_start_tls( LDAP *ld,
1229 LDAPControl **serverctrls,
1230 LDAPControl **clientctrls,
1233 return ldap_extended_operation( ld, LDAP_EXOP_START_TLS,
1234 NULL, serverctrls, clientctrls, msgidp );
1238 ldap_install_tls( LDAP *ld )
1241 return LDAP_NOT_SUPPORTED;
1243 if ( ldap_tls_inplace( ld ) ) {
1244 return LDAP_LOCAL_ERROR;
1247 return ldap_int_tls_start( ld, ld->ld_defconn, NULL );
1252 ldap_start_tls_s ( LDAP *ld,
1253 LDAPControl **serverctrls,
1254 LDAPControl **clientctrls )
1257 return LDAP_NOT_SUPPORTED;
1260 char *rspoid = NULL;
1261 struct berval *rspdata = NULL;
1263 /* XXYYZ: this initiates operation only on default connection! */
1265 if ( ldap_tls_inplace( ld ) ) {
1266 return LDAP_LOCAL_ERROR;
1269 rc = ldap_extended_operation_s( ld, LDAP_EXOP_START_TLS,
1270 NULL, serverctrls, clientctrls, &rspoid, &rspdata );
1272 if ( rspoid != NULL ) {
1276 if ( rspdata != NULL ) {
1277 ber_bvfree( rspdata );
1280 if ( rc == LDAP_SUCCESS ) {
1281 rc = ldap_int_tls_start( ld, ld->ld_defconn, NULL );
1288 /* These tags probably all belong in lber.h, but they're
1289 * not normally encountered when processing LDAP, so maybe
1290 * they belong somewhere else instead.
1293 #define LBER_TAG_OID ((ber_tag_t) 0x06UL)
1295 /* Tags for string types used in a DirectoryString.
1297 * Note that IA5string is not one of the defined choices for
1298 * DirectoryString in X.520, but it gets used for email AVAs.
1300 #define LBER_TAG_UTF8 ((ber_tag_t) 0x0cUL)
1301 #define LBER_TAG_PRINTABLE ((ber_tag_t) 0x13UL)
1302 #define LBER_TAG_TELETEX ((ber_tag_t) 0x14UL)
1303 #define LBER_TAG_IA5 ((ber_tag_t) 0x16UL)
1304 #define LBER_TAG_UNIVERSAL ((ber_tag_t) 0x1cUL)
1305 #define LBER_TAG_BMP ((ber_tag_t) 0x1eUL)
1308 find_oid( struct berval *oid )
1312 for ( i=0; !BER_BVISNULL( &oids[i].oid ); i++ ) {
1313 if ( oids[i].oid.bv_len != oid->bv_len ) continue;
1314 if ( !strcmp( oids[i].oid.bv_val, oid->bv_val ))
1320 /* Converts BER Bitstring value to LDAP BitString value (RFC4517)
1325 * berValue and ldapValue should not be NULL
1328 #define BITS_PER_BYTE 8
1329 #define SQUOTE_LENGTH 1
1330 #define B_CHAR_LENGTH 1
1331 #define STR_OVERHEAD (2*SQUOTE_LENGTH + B_CHAR_LENGTH)
1334 der_to_ldap_BitString (struct berval *berValue,
1335 struct berval *ldapValue)
1337 ber_len_t bitPadding=0;
1338 ber_len_t bits, maxBits;
1341 ber_len_t bitLength;
1343 unsigned char* valPtr;
1345 ldapValue->bv_len=0;
1346 ldapValue->bv_val=NULL;
1348 /* Gets padding and points to binary data */
1349 valLen=berValue->bv_len;
1350 valPtr=(unsigned char*)berValue->bv_val;
1352 bitPadding=(ber_len_t)(valPtr[0]);
1356 /* If Block is non DER encoding fixes to DER encoding */
1357 if (bitPadding >= BITS_PER_BYTE) {
1358 if (valLen*BITS_PER_BYTE > bitPadding ) {
1359 valLen-=(bitPadding/BITS_PER_BYTE);
1360 bitPadding%=BITS_PER_BYTE;
1366 /* Just in case bad encoding */
1367 if (valLen*BITS_PER_BYTE < bitPadding ) {
1372 /* Gets buffer to hold RFC4517 Bit String format */
1373 bitLength=valLen*BITS_PER_BYTE-bitPadding;
1374 tmpStr=LDAP_MALLOC(bitLength + STR_OVERHEAD + 1);
1377 return LDAP_NO_MEMORY;
1379 ldapValue->bv_val=tmpStr;
1380 ldapValue->bv_len=bitLength + STR_OVERHEAD;
1382 /* Formatting in '*binary-digit'B format */
1383 maxBits=BITS_PER_BYTE;
1388 maxBits-=bitPadding;
1389 for (bits=0; bits<maxBits; bits++) {
1404 return LDAP_SUCCESS;
1407 /* Convert a structured DN from an X.509 certificate into an LDAPV3 DN.
1408 * x509_name must be raw DER. If func is non-NULL, the
1409 * constructed DN will use numeric OIDs to identify attributeTypes,
1410 * and the func() will be invoked to rewrite the DN with the given
1413 * Otherwise the DN will use shortNames from a hardcoded table.
1416 ldap_X509dn2bv( void *x509_name, struct berval *bv, LDAPDN_rewrite_func *func,
1421 LDAPAVA *newAVA, *baseAVA;
1422 BerElementBuffer berbuf;
1423 BerElement *ber = (BerElement *)&berbuf;
1424 char oids[8192], *oidptr = oids, *oidbuf = NULL;
1426 char *dn_end, *rdn_end;
1427 int i, navas, nrdns, rc = LDAP_SUCCESS;
1428 size_t dnsize, oidrem = sizeof(oids), oidsize = 0;
1434 struct berval Oid, Val, oid2, *in = x509_name;
1436 assert( bv != NULL );
1444 /* A DN is a SEQUENCE of RDNs. An RDN is a SET of AVAs.
1445 * An AVA is a SEQUENCE of attr and value.
1446 * Count the number of AVAs and RDNs
1448 ber_init2( ber, in, LBER_USE_DER );
1449 tag = ber_peek_tag( ber, &len );
1450 if ( tag != LBER_SEQUENCE )
1451 return LDAP_DECODING_ERROR;
1453 for ( tag = ber_first_element( ber, &len, &dn_end );
1455 tag = ber_next_element( ber, &len, dn_end )) {
1457 for ( tag = ber_first_element( ber, &len, &rdn_end );
1458 tag == LBER_SEQUENCE;
1459 tag = ber_next_element( ber, &len, rdn_end )) {
1460 tag = ber_skip_tag( ber, &len );
1461 ber_skip_data( ber, len );
1466 /* Allocate the DN/RDN/AVA stuff as a single block */
1467 dnsize = sizeof(LDAPRDN) * (nrdns+1);
1468 dnsize += sizeof(LDAPAVA *) * (navas+nrdns);
1469 dnsize += sizeof(LDAPAVA) * navas;
1470 if (dnsize > sizeof(ptrs)) {
1471 newDN = (LDAPDN)LDAP_MALLOC( dnsize );
1472 if ( newDN == NULL )
1473 return LDAP_NO_MEMORY;
1475 newDN = (LDAPDN)(char *)ptrs;
1478 newDN[nrdns] = NULL;
1479 newRDN = (LDAPRDN)(newDN + nrdns+1);
1480 newAVA = (LDAPAVA *)(newRDN + navas + nrdns);
1483 /* Rewind and start extracting */
1486 tag = ber_first_element( ber, &len, &dn_end );
1487 for ( i = nrdns - 1; i >= 0; i-- ) {
1490 for ( tag = ber_first_element( ber, &len, &rdn_end );
1491 tag == LBER_SEQUENCE;
1492 tag = ber_next_element( ber, &len, rdn_end )) {
1495 tag = ber_skip_tag( ber, &len );
1496 tag = ber_get_stringbv( ber, &Oid, LBER_BV_NOTERM );
1497 if ( tag != LBER_TAG_OID ) {
1498 rc = LDAP_DECODING_ERROR;
1502 oid2.bv_val = oidptr;
1503 oid2.bv_len = oidrem;
1504 if ( ber_decode_oid( &Oid, &oid2 ) < 0 ) {
1505 rc = LDAP_DECODING_ERROR;
1508 oidname = find_oid( &oid2 );
1510 newAVA->la_attr = oid2;
1511 oidptr += oid2.bv_len + 1;
1512 oidrem -= oid2.bv_len + 1;
1514 /* Running out of OID buffer space? */
1516 if ( oidsize == 0 ) {
1517 oidsize = sizeof(oids) * 2;
1519 oidbuf = LDAP_MALLOC( oidsize );
1520 if ( oidbuf == NULL ) goto nomem;
1524 oidbuf = LDAP_REALLOC( oidbuf, oidsize*2 );
1525 if ( oidbuf == NULL ) goto nomem;
1526 /* Buffer moved! Fix AVA pointers */
1527 if ( old != oidbuf ) {
1529 long dif = oidbuf - old;
1531 for (a=baseAVA; a<=newAVA; a++){
1532 if (a->la_attr.bv_val >= old &&
1533 a->la_attr.bv_val <= (old + oidsize))
1534 a->la_attr.bv_val += dif;
1537 oidptr = oidbuf + oidsize - oidrem;
1544 newAVA->la_attr = oidname->oid;
1546 newAVA->la_attr = oidname->name;
1549 newAVA->la_private = NULL;
1550 newAVA->la_flags = LDAP_AVA_STRING;
1551 tag = ber_get_stringbv( ber, &Val, LBER_BV_NOTERM );
1553 case LBER_TAG_UNIVERSAL:
1554 /* This uses 32-bit ISO 10646-1 */
1555 csize = 4; goto to_utf8;
1557 /* This uses 16-bit ISO 10646-1 */
1558 csize = 2; goto to_utf8;
1559 case LBER_TAG_TELETEX:
1560 /* This uses 8-bit, assume ISO 8859-1 */
1562 to_utf8: rc = ldap_ucs_to_utf8s( &Val, csize, &newAVA->la_value );
1563 newAVA->la_flags |= LDAP_AVA_NONPRINTABLE;
1565 newAVA->la_flags |= LDAP_AVA_FREE_VALUE;
1566 if (rc != LDAP_SUCCESS) goto nomem;
1569 newAVA->la_flags |= LDAP_AVA_NONPRINTABLE;
1570 /* This is already in UTF-8 encoding */
1572 case LBER_TAG_PRINTABLE:
1573 /* These are always 7-bit strings */
1574 newAVA->la_value = Val;
1576 case LBER_BITSTRING:
1577 /* X.690 bitString value converted to RFC4517 Bit String */
1578 rc = der_to_ldap_BitString( &Val, &newAVA->la_value );
1581 /* Not a string type at all */
1582 newAVA->la_flags = 0;
1583 newAVA->la_value = Val;
1589 tag = ber_next_element( ber, &len, dn_end );
1593 rc = func( newDN, flags, NULL );
1594 if ( rc != LDAP_SUCCESS )
1598 rc = ldap_dn2bv_x( newDN, bv, LDAP_DN_FORMAT_LDAPV3, NULL );
1601 for (;baseAVA < newAVA; baseAVA++) {
1602 if (baseAVA->la_flags & LDAP_AVA_FREE_ATTR)
1603 LDAP_FREE( baseAVA->la_attr.bv_val );
1604 if (baseAVA->la_flags & LDAP_AVA_FREE_VALUE)
1605 LDAP_FREE( baseAVA->la_value.bv_val );
1609 LDAP_FREE( oidbuf );
1610 if ( newDN != (LDAPDN)(char *) ptrs )