1 /* tls_g.c - Handle tls/ssl using GNUTLS. */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
5 * Copyright 2008-2016 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: GNUTLS support written by Howard Chu and
17 * Emily Backes; sponsored by The Written Word (thewrittenword.com)
18 * and Stanford University (stanford.edu).
25 #include "ldap_config.h"
29 #include <ac/stdlib.h>
31 #include <ac/socket.h>
32 #include <ac/string.h>
35 #include <ac/unistd.h>
37 #include <ac/dirent.h>
44 #include <gnutls/gnutls.h>
45 #include <gnutls/x509.h>
47 typedef struct tlsg_ctx {
48 struct ldapoptions *lo;
49 gnutls_certificate_credentials_t cred;
50 gnutls_dh_params_t dh_params;
51 unsigned long verify_depth;
53 gnutls_priority_t prios;
55 ldap_pvt_thread_mutex_t ref_mutex;
59 typedef struct tlsg_session {
60 gnutls_session_t session;
62 struct berval peer_der_dn;
65 static int tlsg_parse_ciphers( tlsg_ctx *ctx, char *suites );
66 static int tlsg_cert_verify( tlsg_session *s );
71 tlsg_mutex_init( void **priv )
74 ldap_pvt_thread_mutex_t *lock = LDAP_MALLOC( sizeof( ldap_pvt_thread_mutex_t ));
79 err = ldap_pvt_thread_mutex_init( lock );
89 tlsg_mutex_destroy( void **lock )
91 int err = ldap_pvt_thread_mutex_destroy( *lock );
97 tlsg_mutex_lock( void **lock )
99 return ldap_pvt_thread_mutex_lock( *lock );
103 tlsg_mutex_unlock( void **lock )
105 return ldap_pvt_thread_mutex_unlock( *lock );
109 tlsg_thr_init( void )
111 gnutls_global_set_mutex (tlsg_mutex_init,
116 #endif /* LDAP_R_COMPILE */
119 * Initialize TLS subsystem. Should be called only once.
124 gnutls_global_init();
129 * Tear down the TLS subsystem. Should only be called once.
134 gnutls_global_deinit();
138 tlsg_ctx_new ( struct ldapoptions *lo )
142 ctx = ber_memcalloc ( 1, sizeof (*ctx) );
145 if ( gnutls_certificate_allocate_credentials( &ctx->cred )) {
150 gnutls_priority_init( &ctx->prios, "NORMAL", NULL );
151 #ifdef LDAP_R_COMPILE
152 ldap_pvt_thread_mutex_init( &ctx->ref_mutex );
155 return (tls_ctx *)ctx;
159 tlsg_ctx_ref( tls_ctx *ctx )
161 tlsg_ctx *c = (tlsg_ctx *)ctx;
162 LDAP_MUTEX_LOCK( &c->ref_mutex );
164 LDAP_MUTEX_UNLOCK( &c->ref_mutex );
168 tlsg_ctx_free ( tls_ctx *ctx )
170 tlsg_ctx *c = (tlsg_ctx *)ctx;
175 LDAP_MUTEX_LOCK( &c->ref_mutex );
176 refcount = --c->refcount;
177 LDAP_MUTEX_UNLOCK( &c->ref_mutex );
180 gnutls_priority_deinit( c->prios );
181 gnutls_certificate_free_credentials( c->cred );
183 gnutls_dh_params_deinit( c->dh_params );
188 tlsg_getfile( const char *path, gnutls_datum_t *buf )
193 fd = open( path, O_RDONLY );
194 if ( fd >= 0 && fstat( fd, &st ) == 0 ) {
195 buf->size = st.st_size;
196 buf->data = LDAP_MALLOC( st.st_size + 1 );
198 rc = read( fd, buf->data, st.st_size );
200 if ( rc < st.st_size )
209 /* This is the GnuTLS default */
210 #define VERIFY_DEPTH 6
213 * initialize a new TLS context
216 tlsg_ctx_init( struct ldapoptions *lo, struct ldaptls *lt, int is_server )
218 tlsg_ctx *ctx = lo->ldo_tls_ctx;
221 if ( lo->ldo_tls_ciphersuite &&
222 tlsg_parse_ciphers( ctx, lt->lt_ciphersuite )) {
223 Debug( LDAP_DEBUG_ANY,
224 "TLS: could not set cipher list %s.\n",
225 lo->ldo_tls_ciphersuite, 0, 0 );
229 if (lo->ldo_tls_cacertdir != NULL) {
230 Debug( LDAP_DEBUG_ANY,
231 "TLS: warning: cacertdir not implemented for gnutls\n",
235 if (lo->ldo_tls_cacertfile != NULL) {
236 rc = gnutls_certificate_set_x509_trust_file(
239 GNUTLS_X509_FMT_PEM );
240 if ( rc < 0 ) return -1;
243 if ( lo->ldo_tls_certfile && lo->ldo_tls_keyfile ) {
244 gnutls_x509_privkey_t key;
246 gnutls_x509_crt_t certs[VERIFY_DEPTH];
247 unsigned int max = VERIFY_DEPTH;
249 rc = gnutls_x509_privkey_init( &key );
252 /* OpenSSL builds the cert chain for us, but GnuTLS
253 * expects it to be present in the certfile. If it's
254 * not, we have to build it ourselves. So we have to
255 * do some special checks here...
257 rc = tlsg_getfile( lt->lt_keyfile, &buf );
259 rc = gnutls_x509_privkey_import( key, &buf,
260 GNUTLS_X509_FMT_PEM );
261 LDAP_FREE( buf.data );
262 if ( rc < 0 ) return rc;
264 rc = tlsg_getfile( lt->lt_certfile, &buf );
266 rc = gnutls_x509_crt_list_import( certs, &max, &buf,
267 GNUTLS_X509_FMT_PEM, 0 );
268 LDAP_FREE( buf.data );
269 if ( rc < 0 ) return rc;
271 /* If there's only one cert and it's not self-signed,
272 * then we have to build the cert chain.
274 if ( max == 1 && !gnutls_x509_crt_check_issuer( certs[0], certs[0] )) {
276 for ( i = 1; i<VERIFY_DEPTH; i++ ) {
277 if ( gnutls_certificate_get_issuer( ctx->cred, certs[i-1], &certs[i], 0 ))
280 /* If this CA is self-signed, we're done */
281 if ( gnutls_x509_crt_check_issuer( certs[i], certs[i] ))
285 rc = gnutls_certificate_set_x509_key( ctx->cred, certs, max, key );
287 } else if ( lo->ldo_tls_certfile || lo->ldo_tls_keyfile ) {
288 Debug( LDAP_DEBUG_ANY,
289 "TLS: only one of certfile and keyfile specified\n",
294 if ( lo->ldo_tls_crlfile ) {
295 rc = gnutls_certificate_set_x509_crl_file(
298 GNUTLS_X509_FMT_PEM );
299 if ( rc < 0 ) return -1;
303 /* FIXME: ITS#5992 - this should be configurable,
304 * and V1 CA certs should be phased out ASAP.
306 gnutls_certificate_set_verify_flags( ctx->cred,
307 GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT );
309 if ( is_server && lo->ldo_tls_dhfile ) {
311 rc = tlsg_getfile( lo->ldo_tls_dhfile, &buf );
313 rc = gnutls_dh_params_init( &ctx->dh_params );
315 rc = gnutls_dh_params_import_pkcs3( ctx->dh_params, &buf,
316 GNUTLS_X509_FMT_PEM );
317 LDAP_FREE( buf.data );
319 gnutls_certificate_set_dh_params( ctx->cred, ctx->dh_params );
325 tlsg_session_new ( tls_ctx * ctx, int is_server )
327 tlsg_ctx *c = (tlsg_ctx *)ctx;
328 tlsg_session *session;
330 session = ber_memcalloc ( 1, sizeof (*session) );
335 gnutls_init( &session->session, is_server ? GNUTLS_SERVER : GNUTLS_CLIENT );
336 gnutls_priority_set( session->session, c->prios );
338 gnutls_credentials_set( session->session, GNUTLS_CRD_CERTIFICATE, c->cred );
342 if ( c->lo->ldo_tls_require_cert ) {
343 flag = GNUTLS_CERT_REQUEST;
344 if ( c->lo->ldo_tls_require_cert == LDAP_OPT_X_TLS_DEMAND ||
345 c->lo->ldo_tls_require_cert == LDAP_OPT_X_TLS_HARD )
346 flag = GNUTLS_CERT_REQUIRE;
347 gnutls_certificate_server_set_request( session->session, flag );
350 return (tls_session *)session;
354 tlsg_session_accept( tls_session *session )
356 tlsg_session *s = (tlsg_session *)session;
359 rc = gnutls_handshake( s->session );
360 if ( rc == 0 && s->ctx->lo->ldo_tls_require_cert != LDAP_OPT_X_TLS_NEVER ) {
361 const gnutls_datum_t *peer_cert_list;
362 unsigned int list_size;
364 peer_cert_list = gnutls_certificate_get_peers( s->session,
366 if ( !peer_cert_list && s->ctx->lo->ldo_tls_require_cert == LDAP_OPT_X_TLS_TRY )
369 rc = tlsg_cert_verify( s );
370 if ( rc && s->ctx->lo->ldo_tls_require_cert == LDAP_OPT_X_TLS_ALLOW )
378 tlsg_session_connect( LDAP *ld, tls_session *session )
380 return tlsg_session_accept( session);
384 tlsg_session_upflags( Sockbuf *sb, tls_session *session, int rc )
386 tlsg_session *s = (tlsg_session *)session;
388 if ( rc != GNUTLS_E_INTERRUPTED && rc != GNUTLS_E_AGAIN )
391 switch (gnutls_record_get_direction (s->session)) {
393 sb->sb_trans_needs_read = 1;
396 sb->sb_trans_needs_write = 1;
403 tlsg_session_errmsg( tls_session *sess, int rc, char *buf, size_t len )
405 return (char *)gnutls_strerror( rc );
409 tlsg_x509_cert_dn( struct berval *cert, struct berval *dn, int get_subject )
411 BerElementBuffer berbuf;
412 BerElement *ber = (BerElement *)&berbuf;
417 ber_init2( ber, cert, LBER_USE_DER );
418 tag = ber_skip_tag( ber, &len ); /* Sequence */
419 tag = ber_skip_tag( ber, &len ); /* Sequence */
420 tag = ber_peek_tag( ber, &len ); /* Context + Constructed (version) */
421 if ( tag == 0xa0 ) { /* Version is optional */
422 tag = ber_skip_tag( ber, &len );
423 tag = ber_get_int( ber, &i ); /* Int: Version */
425 tag = ber_skip_tag( ber, &len ); /* Int: Serial (can be longer than ber_int_t) */
426 ber_skip_data( ber, len );
427 tag = ber_skip_tag( ber, &len ); /* Sequence: Signature */
428 ber_skip_data( ber, len );
429 if ( !get_subject ) {
430 tag = ber_peek_tag( ber, &len ); /* Sequence: Issuer DN */
432 tag = ber_skip_tag( ber, &len );
433 ber_skip_data( ber, len );
434 tag = ber_skip_tag( ber, &len ); /* Sequence: Validity */
435 ber_skip_data( ber, len );
436 tag = ber_peek_tag( ber, &len ); /* Sequence: Subject DN */
438 len = ber_ptrlen( ber );
439 dn->bv_val = cert->bv_val + len;
440 dn->bv_len = cert->bv_len - len;
444 tlsg_session_my_dn( tls_session *session, struct berval *der_dn )
446 tlsg_session *s = (tlsg_session *)session;
447 const gnutls_datum_t *x;
450 x = gnutls_certificate_get_ours( s->session );
452 if (!x) return LDAP_INVALID_CREDENTIALS;
454 bv.bv_val = (char *) x->data;
457 tlsg_x509_cert_dn( &bv, der_dn, 1 );
462 tlsg_session_peer_dn( tls_session *session, struct berval *der_dn )
464 tlsg_session *s = (tlsg_session *)session;
465 if ( !s->peer_der_dn.bv_val ) {
466 const gnutls_datum_t *peer_cert_list;
467 unsigned int list_size;
470 peer_cert_list = gnutls_certificate_get_peers( s->session,
472 if ( !peer_cert_list ) return LDAP_INVALID_CREDENTIALS;
474 bv.bv_len = peer_cert_list->size;
475 bv.bv_val = (char *) peer_cert_list->data;
477 tlsg_x509_cert_dn( &bv, &s->peer_der_dn, 1 );
479 *der_dn = s->peer_der_dn;
483 /* what kind of hostname were we given? */
488 #define CN_OID "2.5.4.3"
491 tlsg_session_chkhost( LDAP *ld, tls_session *session, const char *name_in )
493 tlsg_session *s = (tlsg_session *)session;
495 const gnutls_datum_t *peer_cert_list;
496 unsigned int list_size;
497 char altname[NI_MAXHOST];
500 gnutls_x509_crt_t cert;
505 struct in6_addr addr;
509 int len1 = 0, len2 = 0;
512 if( ldap_int_hostname &&
513 ( !name_in || !strcasecmp( name_in, "localhost" ) ) )
515 name = ldap_int_hostname;
520 peer_cert_list = gnutls_certificate_get_peers( s->session,
522 if ( !peer_cert_list ) {
523 Debug( LDAP_DEBUG_ANY,
524 "TLS: unable to get peer certificate.\n",
526 /* If this was a fatal condition, things would have
527 * aborted long before now.
531 ret = gnutls_x509_crt_init( &cert );
533 return LDAP_LOCAL_ERROR;
534 ret = gnutls_x509_crt_import( cert, peer_cert_list, GNUTLS_X509_FMT_DER );
536 gnutls_x509_crt_deinit( cert );
537 return LDAP_LOCAL_ERROR;
541 if (inet_pton(AF_INET6, name, &addr)) {
545 if ((ptr = strrchr(name, '.')) && isdigit((unsigned char)ptr[1])) {
546 if (inet_aton(name, (struct in_addr *)&addr)) ntype = IS_IP4;
549 if (ntype == IS_DNS) {
551 domain = strchr(name, '.');
553 len2 = len1 - (domain-name);
557 for ( i=0, ret=0; ret >= 0; i++ ) {
558 altnamesize = sizeof(altname);
559 ret = gnutls_x509_crt_get_subject_alt_name( cert, i,
560 altname, &altnamesize, NULL );
561 if ( ret < 0 ) break;
564 if ( altnamesize == 0 ) continue;
566 if ( ret == GNUTLS_SAN_DNSNAME ) {
567 if (ntype != IS_DNS) continue;
569 /* Is this an exact match? */
570 if ((len1 == altnamesize) && !strncasecmp(name, altname, len1)) {
574 /* Is this a wildcard match? */
575 if (domain && (altname[0] == '*') && (altname[1] == '.') &&
576 (len2 == altnamesize-1) && !strncasecmp(domain, &altname[1], len2))
580 } else if ( ret == GNUTLS_SAN_IPADDRESS ) {
581 if (ntype == IS_DNS) continue;
584 if (ntype == IS_IP6 && altnamesize != sizeof(struct in6_addr)) {
588 if (ntype == IS_IP4 && altnamesize != sizeof(struct in_addr)) {
591 if (!memcmp(altname, &addr, altnamesize)) {
599 /* find the last CN */
603 ret = gnutls_x509_crt_get_dn_by_oid( cert, CN_OID,
604 i, 1, altname, &altnamesize );
605 if ( ret == GNUTLS_E_SHORT_MEMORY_BUFFER )
612 altnamesize = sizeof(altname);
613 ret = gnutls_x509_crt_get_dn_by_oid( cert, CN_OID,
614 i-1, 0, altname, &altnamesize );
618 Debug( LDAP_DEBUG_ANY,
619 "TLS: unable to get common name from peer certificate.\n",
621 ret = LDAP_CONNECT_ERROR;
622 if ( ld->ld_error ) {
623 LDAP_FREE( ld->ld_error );
625 ld->ld_error = LDAP_STRDUP(
626 _("TLS: unable to get CN from peer certificate"));
629 ret = LDAP_LOCAL_ERROR;
630 if ( !len1 ) len1 = strlen( name );
631 if ( len1 == altnamesize && strncasecmp(name, altname, altnamesize) == 0 ) {
634 } else if (( altname[0] == '*' ) && ( altname[1] == '.' )) {
635 /* Is this a wildcard match? */
637 (len2 == altnamesize-1) && !strncasecmp(domain, &altname[1], len2)) {
643 if( ret == LDAP_LOCAL_ERROR ) {
644 altname[altnamesize] = '\0';
645 Debug( LDAP_DEBUG_ANY, "TLS: hostname (%s) does not match "
646 "common name in certificate (%s).\n",
648 ret = LDAP_CONNECT_ERROR;
649 if ( ld->ld_error ) {
650 LDAP_FREE( ld->ld_error );
652 ld->ld_error = LDAP_STRDUP(
653 _("TLS: hostname does not match CN in peer certificate"));
656 gnutls_x509_crt_deinit( cert );
661 tlsg_session_strength( tls_session *session )
663 tlsg_session *s = (tlsg_session *)session;
664 gnutls_cipher_algorithm_t c;
666 c = gnutls_cipher_get( s->session );
667 return gnutls_cipher_get_key_size( c ) * 8;
671 tlsg_session_unique( tls_session *sess, struct berval *buf, int is_server)
673 tlsg_session *s = (tlsg_session *)sess;
677 rc = gnutls_session_channel_binding( s->session, GNUTLS_CB_TLS_UNIQUE, &cb );
680 if ( len > buf->bv_len )
683 memcpy( buf->bv_val, cb.data, len );
690 tlsg_session_version( tls_session *sess )
692 tlsg_session *s = (tlsg_session *)sess;
693 return gnutls_protocol_get_name(gnutls_protocol_get_version( s->session ));
697 tlsg_session_cipher( tls_session *sess )
699 tlsg_session *s = (tlsg_session *)sess;
700 return gnutls_cipher_get_name(gnutls_cipher_get( s->session ));
704 tlsg_session_peercert( tls_session *sess, struct berval *der )
706 tlsg_session *s = (tlsg_session *)sess;
707 const gnutls_datum_t *peer_cert_list;
708 unsigned int list_size;
710 peer_cert_list = gnutls_certificate_get_peers( s->session, &list_size );
713 der->bv_len = peer_cert_list[0].size;
714 der->bv_val = LDAP_MALLOC( der->bv_len );
717 memcpy(der->bv_val, peer_cert_list[0].data, der->bv_len);
721 /* suites is a string of colon-separated cipher suite names. */
723 tlsg_parse_ciphers( tlsg_ctx *ctx, char *suites )
726 int rc = gnutls_priority_init( &ctx->prios, suites, &err );
733 * TLS support for LBER Sockbufs
737 tlsg_session *session;
738 Sockbuf_IO_Desc *sbiod;
742 tlsg_recv( gnutls_transport_ptr_t ptr, void *buf, size_t len )
746 if ( buf == NULL || len <= 0 ) return 0;
748 p = (struct tls_data *)ptr;
750 if ( p == NULL || p->sbiod == NULL ) {
754 return LBER_SBIOD_READ_NEXT( p->sbiod, buf, len );
758 tlsg_send( gnutls_transport_ptr_t ptr, const void *buf, size_t len )
762 if ( buf == NULL || len <= 0 ) return 0;
764 p = (struct tls_data *)ptr;
766 if ( p == NULL || p->sbiod == NULL ) {
770 return LBER_SBIOD_WRITE_NEXT( p->sbiod, (char *)buf, len );
774 tlsg_sb_setup( Sockbuf_IO_Desc *sbiod, void *arg )
777 tlsg_session *session = arg;
779 assert( sbiod != NULL );
781 p = LBER_MALLOC( sizeof( *p ) );
786 gnutls_transport_set_ptr( session->session, (gnutls_transport_ptr)p );
787 gnutls_transport_set_pull_function( session->session, tlsg_recv );
788 gnutls_transport_set_push_function( session->session, tlsg_send );
789 p->session = session;
791 sbiod->sbiod_pvt = p;
796 tlsg_sb_remove( Sockbuf_IO_Desc *sbiod )
800 assert( sbiod != NULL );
801 assert( sbiod->sbiod_pvt != NULL );
803 p = (struct tls_data *)sbiod->sbiod_pvt;
804 gnutls_deinit ( p->session->session );
805 LBER_FREE( p->session );
806 LBER_FREE( sbiod->sbiod_pvt );
807 sbiod->sbiod_pvt = NULL;
812 tlsg_sb_close( Sockbuf_IO_Desc *sbiod )
816 assert( sbiod != NULL );
817 assert( sbiod->sbiod_pvt != NULL );
819 p = (struct tls_data *)sbiod->sbiod_pvt;
820 gnutls_bye ( p->session->session, GNUTLS_SHUT_WR );
825 tlsg_sb_ctrl( Sockbuf_IO_Desc *sbiod, int opt, void *arg )
829 assert( sbiod != NULL );
830 assert( sbiod->sbiod_pvt != NULL );
832 p = (struct tls_data *)sbiod->sbiod_pvt;
834 if ( opt == LBER_SB_OPT_GET_SSL ) {
835 *((tlsg_session **)arg) = p->session;
838 } else if ( opt == LBER_SB_OPT_DATA_READY ) {
839 if( gnutls_record_check_pending( p->session->session ) > 0 ) {
844 return LBER_SBIOD_CTRL_NEXT( sbiod, opt, arg );
848 tlsg_sb_read( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
853 assert( sbiod != NULL );
854 assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
856 p = (struct tls_data *)sbiod->sbiod_pvt;
858 ret = gnutls_record_recv ( p->session->session, buf, len );
860 case GNUTLS_E_INTERRUPTED:
862 sbiod->sbiod_sb->sb_trans_needs_read = 1;
863 sock_errset(EWOULDBLOCK);
866 case GNUTLS_E_REHANDSHAKE:
867 for ( ret = gnutls_handshake ( p->session->session );
868 ret == GNUTLS_E_INTERRUPTED || ret == GNUTLS_E_AGAIN;
869 ret = gnutls_handshake ( p->session->session ) );
870 sbiod->sbiod_sb->sb_trans_needs_read = 1;
874 sbiod->sbiod_sb->sb_trans_needs_read = 0;
880 tlsg_sb_write( Sockbuf_IO_Desc *sbiod, void *buf, ber_len_t len)
885 assert( sbiod != NULL );
886 assert( SOCKBUF_VALID( sbiod->sbiod_sb ) );
888 p = (struct tls_data *)sbiod->sbiod_pvt;
890 ret = gnutls_record_send ( p->session->session, (char *)buf, len );
892 if ( ret == GNUTLS_E_INTERRUPTED || ret == GNUTLS_E_AGAIN ) {
893 sbiod->sbiod_sb->sb_trans_needs_write = 1;
894 sock_errset(EWOULDBLOCK);
897 sbiod->sbiod_sb->sb_trans_needs_write = 0;
902 static Sockbuf_IO tlsg_sbio =
904 tlsg_sb_setup, /* sbi_setup */
905 tlsg_sb_remove, /* sbi_remove */
906 tlsg_sb_ctrl, /* sbi_ctrl */
907 tlsg_sb_read, /* sbi_read */
908 tlsg_sb_write, /* sbi_write */
909 tlsg_sb_close /* sbi_close */
912 /* Certs are not automatically varified during the handshake */
914 tlsg_cert_verify( tlsg_session *ssl )
916 unsigned int status = 0;
918 time_t now = time(0);
921 err = gnutls_certificate_verify_peers2( ssl->session, &status );
923 Debug( LDAP_DEBUG_ANY,"TLS: gnutls_certificate_verify_peers2 failed %d\n",
928 Debug( LDAP_DEBUG_TRACE,"TLS: peer cert untrusted or revoked (0x%x)\n",
932 peertime = gnutls_certificate_expiration_time_peers( ssl->session );
933 if ( peertime == (time_t) -1 ) {
934 Debug( LDAP_DEBUG_ANY, "TLS: gnutls_certificate_expiration_time_peers failed\n",
938 if ( peertime < now ) {
939 Debug( LDAP_DEBUG_ANY, "TLS: peer certificate is expired\n",
943 peertime = gnutls_certificate_activation_time_peers( ssl->session );
944 if ( peertime == (time_t) -1 ) {
945 Debug( LDAP_DEBUG_ANY, "TLS: gnutls_certificate_activation_time_peers failed\n",
949 if ( peertime > now ) {
950 Debug( LDAP_DEBUG_ANY, "TLS: peer certificate not yet active\n",
957 tls_impl ldap_int_tls_impl = {
969 tlsg_session_connect,
971 tlsg_session_upflags,
974 tlsg_session_peer_dn,
975 tlsg_session_chkhost,
976 tlsg_session_strength,
978 tlsg_session_version,
980 tlsg_session_peercert,
984 #ifdef LDAP_R_COMPILE
993 #endif /* HAVE_GNUTLS */