+/* tls.c - Handle tls/ssl using SSLeay or OpenSSL. */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2006 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
*
- * tls.c - Handle tls/ssl using SSLeay or OpenSSL.
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
#endif
static int tls_opt_trace = 1;
-static char *tls_opt_certfile = NULL;
-static char *tls_opt_keyfile = NULL;
-static char *tls_opt_cacertfile = NULL;
-static char *tls_opt_cacertdir = NULL;
-static int tls_opt_require_cert = LDAP_OPT_X_TLS_DEMAND;
-static char *tls_opt_ciphersuite = NULL;
static char *tls_opt_randfile = NULL;
#define HAS_TLS( sb ) ber_sockbuf_ctrl( sb, LBER_SB_OPT_HAS_IO, \
static RSA * tls_tmp_rsa_cb( SSL *ssl, int is_export, int key_length );
static STACK_OF(X509_NAME) * get_ca_list( char * bundle, char * dir );
-#if 0 /* Currently this is not used by anyone */
static DH * tls_tmp_dh_cb( SSL *ssl, int is_export, int key_length );
-#endif
-static SSL_CTX *tls_def_ctx = NULL;
+typedef struct dhplist {
+ struct dhplist *next;
+ int keylength;
+ DH *param;
+} dhplist;
+
+static dhplist *dhparams;
static int tls_seed_PRNG( const char *randfile );
}
#endif /* LDAP_R_COMPILE */
+void
+ldap_int_tls_destroy( struct ldapoptions *lo )
+{
+ if ( lo->ldo_tls_ctx ) {
+ SSL_CTX_free( lo->ldo_tls_ctx );
+ lo->ldo_tls_ctx = NULL;
+ }
+
+ if ( lo->ldo_tls_certfile ) {
+ LDAP_FREE( lo->ldo_tls_certfile );
+ lo->ldo_tls_certfile = NULL;
+ }
+ if ( lo->ldo_tls_keyfile ) {
+ LDAP_FREE( lo->ldo_tls_keyfile );
+ lo->ldo_tls_keyfile = NULL;
+ }
+ if ( lo->ldo_tls_dhfile ) {
+ LDAP_FREE( lo->ldo_tls_dhfile );
+ lo->ldo_tls_dhfile = NULL;
+ }
+ if ( lo->ldo_tls_cacertfile ) {
+ LDAP_FREE( lo->ldo_tls_cacertfile );
+ lo->ldo_tls_cacertfile = NULL;
+ }
+ if ( lo->ldo_tls_cacertdir ) {
+ LDAP_FREE( lo->ldo_tls_cacertdir );
+ lo->ldo_tls_cacertdir = NULL;
+ }
+ if ( lo->ldo_tls_ciphersuite ) {
+ LDAP_FREE( lo->ldo_tls_ciphersuite );
+ lo->ldo_tls_ciphersuite = NULL;
+ }
+}
+
/*
* Tear down the TLS subsystem. Should only be called once.
*/
void
ldap_pvt_tls_destroy( void )
{
- SSL_CTX_free(tls_def_ctx);
- tls_def_ctx = NULL;
+ struct ldapoptions *lo = LDAP_INT_GLOBAL_OPT();
+
+ ldap_int_tls_destroy( lo );
EVP_cleanup();
ERR_remove_state(0);
ERR_free_strings();
- if ( tls_opt_certfile ) {
- LDAP_FREE( tls_opt_certfile );
- tls_opt_certfile = NULL;
- }
- if ( tls_opt_keyfile ) {
- LDAP_FREE( tls_opt_keyfile );
- tls_opt_keyfile = NULL;
- }
- if ( tls_opt_cacertfile ) {
- LDAP_FREE( tls_opt_cacertfile );
- tls_opt_cacertfile = NULL;
- }
- if ( tls_opt_cacertdir ) {
- LDAP_FREE( tls_opt_cacertdir );
- tls_opt_cacertdir = NULL;
- }
- if ( tls_opt_ciphersuite ) {
- LDAP_FREE( tls_opt_ciphersuite );
- tls_opt_ciphersuite = NULL;
- }
if ( tls_opt_randfile ) {
LDAP_FREE( tls_opt_randfile );
tls_opt_randfile = NULL;
{
static int tls_initialized = 0;
- if ( tls_initialized ) return 0;
- tls_initialized = 1;
+ if ( tls_initialized++ ) return 0;
#ifdef HAVE_EBCDIC
{
}
/*
- * initialize the default context
+ * initialize a new TLS context
*/
-int
-ldap_pvt_tls_init_def_ctx( void )
+static int
+ldap_int_tls_init_ctx( struct ldapoptions *lo, int is_server )
{
STACK_OF(X509_NAME) *calist;
- int rc = 0;
- char *ciphersuite = tls_opt_ciphersuite;
- char *cacertfile = tls_opt_cacertfile;
- char *cacertdir = tls_opt_cacertdir;
- char *certfile = tls_opt_certfile;
- char *keyfile = tls_opt_keyfile;
+ int i, rc = 0;
+ char *ciphersuite = lo->ldo_tls_ciphersuite;
+ char *cacertfile = lo->ldo_tls_cacertfile;
+ char *cacertdir = lo->ldo_tls_cacertdir;
+ char *certfile = lo->ldo_tls_certfile;
+ char *keyfile = lo->ldo_tls_keyfile;
+ char *dhfile = lo->ldo_tls_dhfile;
+
+ if ( lo->ldo_tls_ctx )
+ return 0;
+
+ if ( is_server && !certfile && !keyfile && !cacertfile && !cacertdir ) {
+ /* minimum configuration not provided */
+ return LDAP_NOT_SUPPORTED;
+ }
#ifdef HAVE_EBCDIC
/* This ASCII/EBCDIC handling is a real pain! */
keyfile = LDAP_STRDUP( keyfile );
__atoe( keyfile );
}
+ if ( dhfile ) {
+ dhfile = LDAP_STRDUP( dhfile );
+ __atoe( dhfile );
+ }
#endif
+ lo->ldo_tls_ctx = SSL_CTX_new( SSLv23_method() );
+ if ( lo->ldo_tls_ctx == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "TLS: could not allocate default ctx (%lu).\n",
+ ERR_peek_error(),0,0);
+ rc = -1;
+ goto error_exit;
+ }
-#ifdef LDAP_R_COMPILE
- ldap_pvt_thread_mutex_lock( &tls_def_ctx_mutex );
-#endif
- if ( tls_def_ctx == NULL ) {
- int i;
- tls_def_ctx = SSL_CTX_new( SSLv23_method() );
- if ( tls_def_ctx == NULL ) {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR, "ldap_pvt_tls_init_def_ctx: "
- "TLS could not allocate default ctx (%d).\n",
- ERR_peek_error(), 0, 0 );
-#else
- Debug( LDAP_DEBUG_ANY,
- "TLS: could not allocate default ctx (%lu).\n",
- ERR_peek_error(),0,0);
-#endif
- rc = -1;
- goto error_exit;
- }
-
- SSL_CTX_set_session_id_context( tls_def_ctx,
+ if ( is_server ) {
+ SSL_CTX_set_session_id_context( lo->ldo_tls_ctx,
(const unsigned char *) "OpenLDAP", sizeof("OpenLDAP")-1 );
+ }
+
+ if ( lo->ldo_tls_ciphersuite &&
+ !SSL_CTX_set_cipher_list( lo->ldo_tls_ctx, ciphersuite ) )
+ {
+ Debug( LDAP_DEBUG_ANY,
+ "TLS: could not set cipher list %s.\n",
+ lo->ldo_tls_ciphersuite, 0, 0 );
+ tls_report_error();
+ rc = -1;
+ goto error_exit;
+ }
- if ( tls_opt_ciphersuite &&
- !SSL_CTX_set_cipher_list( tls_def_ctx, ciphersuite ) )
+ if (lo->ldo_tls_cacertfile != NULL || lo->ldo_tls_cacertdir != NULL) {
+ if ( !SSL_CTX_load_verify_locations( lo->ldo_tls_ctx,
+ cacertfile, cacertdir ) ||
+ !SSL_CTX_set_default_verify_paths( lo->ldo_tls_ctx ) )
{
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR, "ldap_pvt_tls_init_def_ctx: "
- "TLS could not set cipher list %s.\n",
- tls_opt_ciphersuite, 0, 0 );
-#else
- Debug( LDAP_DEBUG_ANY,
- "TLS: could not set cipher list %s.\n",
- tls_opt_ciphersuite, 0, 0 );
-#endif
+ Debug( LDAP_DEBUG_ANY, "TLS: "
+ "could not load verify locations (file:`%s',dir:`%s').\n",
+ lo->ldo_tls_cacertfile ? lo->ldo_tls_cacertfile : "",
+ lo->ldo_tls_cacertdir ? lo->ldo_tls_cacertdir : "",
+ 0 );
tls_report_error();
rc = -1;
goto error_exit;
}
- if (tls_opt_cacertfile != NULL || tls_opt_cacertdir != NULL) {
- if ( !SSL_CTX_load_verify_locations( tls_def_ctx,
- cacertfile, cacertdir ) ||
- !SSL_CTX_set_default_verify_paths( tls_def_ctx ) )
- {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR,
- "ldap_pvt_tls_init_def_ctx: "
- "TLS could not load verify locations "
- "(file:`%s',dir:`%s').\n",
- tls_opt_cacertfile ? tls_opt_cacertfile : "",
- tls_opt_cacertdir ? tls_opt_cacertdir : "", 0 );
-#else
- Debug( LDAP_DEBUG_ANY, "TLS: "
- "could not load verify locations (file:`%s',dir:`%s').\n",
- tls_opt_cacertfile ? tls_opt_cacertfile : "",
- tls_opt_cacertdir ? tls_opt_cacertdir : "",
- 0 );
-#endif
- tls_report_error();
- rc = -1;
- goto error_exit;
- }
-
+ if ( is_server ) {
+ /* List of CA names to send to a client */
calist = get_ca_list( cacertfile, cacertdir );
if ( !calist ) {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR, "ldap_pvt_tls_init_def_ctx: "
- "TLS could not load client CA list (file: `%s',dir:`%s')\n",
- tls_opt_cacertfile ? tls_opt_cacertfile : "",
- tls_opt_cacertdir ? tls_opt_cacertdir : "", 0 );
-#else
Debug( LDAP_DEBUG_ANY, "TLS: "
"could not load client CA list (file:`%s',dir:`%s').\n",
- tls_opt_cacertfile ? tls_opt_cacertfile : "",
- tls_opt_cacertdir ? tls_opt_cacertdir : "",
+ lo->ldo_tls_cacertfile ? lo->ldo_tls_cacertfile : "",
+ lo->ldo_tls_cacertdir ? lo->ldo_tls_cacertdir : "",
0 );
-#endif
tls_report_error();
rc = -1;
goto error_exit;
}
- SSL_CTX_set_client_CA_list( tls_def_ctx, calist );
+ SSL_CTX_set_client_CA_list( lo->ldo_tls_ctx, calist );
}
+ }
- if ( tls_opt_keyfile &&
- !SSL_CTX_use_PrivateKey_file( tls_def_ctx,
- keyfile, SSL_FILETYPE_PEM ) )
- {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR, "ldap_pvt_tls_init_def_ctx: "
- "TLS could not use key file `%s'.\n", tls_opt_keyfile, 0, 0 );
-#else
- Debug( LDAP_DEBUG_ANY,
- "TLS: could not use key file `%s'.\n",
- tls_opt_keyfile,0,0);
-#endif
- tls_report_error();
- rc = -1;
- goto error_exit;
- }
+ if ( lo->ldo_tls_certfile &&
+ !SSL_CTX_use_certificate_file( lo->ldo_tls_ctx,
+ certfile, SSL_FILETYPE_PEM ) )
+ {
+ Debug( LDAP_DEBUG_ANY,
+ "TLS: could not use certificate `%s'.\n",
+ lo->ldo_tls_certfile,0,0);
+ tls_report_error();
+ rc = -1;
+ goto error_exit;
+ }
- if ( tls_opt_certfile &&
- !SSL_CTX_use_certificate_file( tls_def_ctx,
- certfile, SSL_FILETYPE_PEM ) )
- {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR, "ldap_pvt_tls_init_def_ctx: "
- "TLS could not use certificate `%s'.\n",
- tls_opt_certfile, 0, 0 );
-#else
- Debug( LDAP_DEBUG_ANY,
- "TLS: could not use certificate `%s'.\n",
- tls_opt_certfile,0,0);
-#endif
- tls_report_error();
- rc = -1;
- goto error_exit;
- }
+ /* Key validity is checked automatically if cert has already been set */
+ if ( lo->ldo_tls_keyfile &&
+ !SSL_CTX_use_PrivateKey_file( lo->ldo_tls_ctx,
+ keyfile, SSL_FILETYPE_PEM ) )
+ {
+ Debug( LDAP_DEBUG_ANY,
+ "TLS: could not use key file `%s'.\n",
+ lo->ldo_tls_keyfile,0,0);
+ tls_report_error();
+ rc = -1;
+ goto error_exit;
+ }
- if ( ( tls_opt_certfile || tls_opt_keyfile ) &&
- !SSL_CTX_check_private_key( tls_def_ctx ) )
- {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR,
- "ldap_pvt_tls_init_def_ctx: TLS private key mismatch.\n",
- 0, 0, 0 );
-#else
+ if ( lo->ldo_tls_dhfile ) {
+ DH *dh = NULL;
+ BIO *bio;
+ dhplist *p;
+
+ if (( bio=BIO_new_file( dhfile,"r" )) == NULL ) {
Debug( LDAP_DEBUG_ANY,
- "TLS: private key mismatch.\n",
- 0,0,0);
-#endif
+ "TLS: could not use DH parameters file `%s'.\n",
+ lo->ldo_tls_dhfile,0,0);
tls_report_error();
rc = -1;
goto error_exit;
}
-
- if ( tls_opt_trace ) {
- SSL_CTX_set_info_callback( tls_def_ctx, tls_info_cb );
+ while (( dh=PEM_read_bio_DHparams( bio, NULL, NULL, NULL ))) {
+ p = LDAP_MALLOC( sizeof(dhplist) );
+ if ( p != NULL ) {
+ p->keylength = DH_size( dh ) * 8;
+ p->param = dh;
+ p->next = dhparams;
+ dhparams = p;
+ }
}
+ BIO_free( bio );
+ }
- i = SSL_VERIFY_NONE;
- if ( tls_opt_require_cert ) {
- i = SSL_VERIFY_PEER;
- if ( tls_opt_require_cert == LDAP_OPT_X_TLS_DEMAND ||
- tls_opt_require_cert == LDAP_OPT_X_TLS_HARD ) {
- i |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
- }
+ if ( tls_opt_trace ) {
+ SSL_CTX_set_info_callback( (SSL_CTX *)lo->ldo_tls_ctx, tls_info_cb );
+ }
+
+ i = SSL_VERIFY_NONE;
+ if ( lo->ldo_tls_require_cert ) {
+ i = SSL_VERIFY_PEER;
+ if ( lo->ldo_tls_require_cert == LDAP_OPT_X_TLS_DEMAND ||
+ lo->ldo_tls_require_cert == LDAP_OPT_X_TLS_HARD ) {
+ i |= SSL_VERIFY_FAIL_IF_NO_PEER_CERT;
}
+ }
- SSL_CTX_set_verify( tls_def_ctx, i,
- tls_opt_require_cert == LDAP_OPT_X_TLS_ALLOW ?
- tls_verify_ok : tls_verify_cb );
- SSL_CTX_set_tmp_rsa_callback( tls_def_ctx, tls_tmp_rsa_cb );
- /* SSL_CTX_set_tmp_dh_callback( tls_def_ctx, tls_tmp_dh_cb ); */
+ SSL_CTX_set_verify( lo->ldo_tls_ctx, i,
+ lo->ldo_tls_require_cert == LDAP_OPT_X_TLS_ALLOW ?
+ tls_verify_ok : tls_verify_cb );
+ SSL_CTX_set_tmp_rsa_callback( lo->ldo_tls_ctx, tls_tmp_rsa_cb );
+ if ( lo->ldo_tls_dhfile ) {
+ SSL_CTX_set_tmp_dh_callback( lo->ldo_tls_ctx, tls_tmp_dh_cb );
+ }
+#ifdef HAVE_OPENSSL_CRL
+ if ( lo->ldo_tls_crlcheck ) {
+ X509_STORE *x509_s = SSL_CTX_get_cert_store( lo->ldo_tls_ctx );
+ if ( lo->ldo_tls_crlcheck == LDAP_OPT_X_TLS_CRL_PEER ) {
+ X509_STORE_set_flags( x509_s, X509_V_FLAG_CRL_CHECK );
+ } else if ( lo->ldo_tls_crlcheck == LDAP_OPT_X_TLS_CRL_ALL ) {
+ X509_STORE_set_flags( x509_s,
+ X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL );
+ }
}
+#endif
+
error_exit:
- if ( rc == -1 && tls_def_ctx != NULL ) {
- SSL_CTX_free( tls_def_ctx );
- tls_def_ctx = NULL;
+ if ( rc == -1 && lo->ldo_tls_ctx != NULL ) {
+ SSL_CTX_free( lo->ldo_tls_ctx );
+ lo->ldo_tls_ctx = NULL;
}
#ifdef HAVE_EBCDIC
LDAP_FREE( ciphersuite );
LDAP_FREE( cacertdir );
LDAP_FREE( certfile );
LDAP_FREE( keyfile );
+ LDAP_FREE( dhfile );
+#endif
+ return rc;
+}
+
+/*
+ * initialize the default context
+ */
+int
+ldap_pvt_tls_init_def_ctx( int is_server )
+{
+ struct ldapoptions *lo = LDAP_INT_GLOBAL_OPT();
+ int rc;
+#ifdef LDAP_R_COMPILE
+ ldap_pvt_thread_mutex_lock( &tls_def_ctx_mutex );
#endif
+ rc = ldap_int_tls_init_ctx( lo, is_server );
#ifdef LDAP_R_COMPILE
ldap_pvt_thread_mutex_unlock( &tls_def_ctx_mutex );
#endif
- return rc;
}
static STACK_OF(X509_NAME) *
}
static SSL *
-alloc_handle( void *ctx_arg )
+alloc_handle( void *ctx_arg, int is_server )
{
SSL_CTX *ctx;
SSL *ssl;
if ( ctx_arg ) {
ctx = (SSL_CTX *) ctx_arg;
} else {
- if ( ldap_pvt_tls_init_def_ctx() < 0 ) return NULL;
- ctx = tls_def_ctx;
+ struct ldapoptions *lo = LDAP_INT_GLOBAL_OPT();
+ if ( ldap_pvt_tls_init_def_ctx( is_server ) < 0 ) return NULL;
+ ctx = lo->ldo_tls_ctx;
}
ssl = SSL_new( ctx );
if ( ssl == NULL ) {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR,
- "alloc_handle: TLS can't create ssl handle.\n", 0, 0, 0 );
-#else
Debug( LDAP_DEBUG_ANY,"TLS: can't create ssl handle.\n",0,0,0);
-#endif
return NULL;
}
return ssl;
ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_SSL, (void *)&ssl );
} else {
- void *ctx = ld->ld_defconn
- ? ld->ld_defconn->lconn_tls_ctx : NULL;
+ struct ldapoptions *lo;
+ SSL_CTX *ctx;
+
+ ctx = ld->ld_options.ldo_tls_ctx;
- ssl = alloc_handle( ctx );
+ ssl = alloc_handle( ctx, 0 );
if ( ssl == NULL ) return -1;
ber_sockbuf_add_io( sb, &sb_tls_sbio,
LBER_SBIOD_LEVEL_TRANSPORT, (void *)ssl );
+ lo = LDAP_INT_GLOBAL_OPT();
if( ctx == NULL ) {
- conn->lconn_tls_ctx = tls_def_ctx;
+ ctx = lo->ldo_tls_ctx;
+ ld->ld_options.ldo_tls_ctx = ctx;
+ CRYPTO_add( &ctx->references, 1, CRYPTO_LOCK_SSL_CTX );
}
+ if ( ld->ld_options.ldo_tls_connect_cb )
+ ld->ld_options.ldo_tls_connect_cb( ld, ssl, ctx,
+ ld->ld_options.ldo_tls_connect_arg );
+ if ( lo && lo->ldo_tls_connect_cb && lo->ldo_tls_connect_cb !=
+ ld->ld_options.ldo_tls_connect_cb )
+ lo->ldo_tls_connect_cb( ld, ssl, ctx, lo->ldo_tls_connect_arg );
}
err = SSL_connect( ssl );
if ((err = ERR_peek_error())) {
char buf[256];
+
+ if ( ld->ld_error ) {
+ LDAP_FREE( ld->ld_error );
+ }
ld->ld_error = LDAP_STRDUP(ERR_error_string(err, buf));
#ifdef HAVE_EBCDIC
if ( ld->ld_error ) __etoa(ld->ld_error);
#endif
}
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR,
- "ldap_int_tls_connect: TLS can't connect.\n", 0, 0, 0 );
-#else
Debug( LDAP_DEBUG_ANY,"TLS: can't connect.\n",0,0,0);
-#endif
ber_sockbuf_remove_io( sb, &sb_tls_sbio,
LBER_SBIOD_LEVEL_TRANSPORT );
ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_SSL, (void *)&ssl );
} else {
- ssl = alloc_handle( ctx_arg );
+ ssl = alloc_handle( ctx_arg, 1 );
if ( ssl == NULL ) return -1;
#ifdef LDAP_DEBUG
if ( err <= 0 ) {
if ( update_flags( sb, ssl, err )) return 1;
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR,
- "ldap_pvt_tls_accept: TLS can't accept.\n", 0, 0, 0 );
-#else
Debug( LDAP_DEBUG_ANY,"TLS: can't accept.\n",0,0,0 );
-#endif
tls_report_error();
ber_sockbuf_remove_io( sb, &sb_tls_sbio,
return HAS_TLS( sb ) ? 1 : 0;
}
-void *
-ldap_pvt_tls_sb_ctx( Sockbuf *sb )
-{
- void *p;
-
- if (HAS_TLS( sb )) {
- ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_SSL, (void *)&p );
- return p;
- }
-
- return NULL;
-}
-
int
-ldap_pvt_tls_get_strength( void *s )
+ldap_tls_inplace( LDAP *ld )
{
- SSL_CIPHER *c;
-
- c = SSL_get_current_cipher((SSL *)s);
- return SSL_CIPHER_get_bits(c, NULL);
-}
+ Sockbuf *sb = NULL;
+ if ( ld->ld_defconn && ld->ld_defconn->lconn_sb ) {
+ sb = ld->ld_defconn->lconn_sb;
-int
-ldap_pvt_tls_get_my_dn( void *s, struct berval *dn, LDAPDN_rewrite_dummy *func, unsigned flags )
-{
- X509 *x;
- X509_NAME *xn;
- int rc;
+ } else if ( ld->ld_sb ) {
+ sb = ld->ld_sb;
- x = SSL_get_certificate((SSL *)s);
+ } else {
+ return 0;
+ }
- if (!x) return LDAP_INVALID_CREDENTIALS;
-
- xn = X509_get_subject_name(x);
- rc = ldap_X509dn2bv(xn, dn, (LDAPDN_rewrite_func *)func, flags );
- return rc;
+ return ldap_pvt_tls_inplace( sb );
}
static X509 *
}
int
-ldap_pvt_tls_get_peer_dn( void *s, struct berval *dn, LDAPDN_rewrite_dummy *func, unsigned flags )
+ldap_pvt_tls_get_peer_dn( void *s, struct berval *dn,
+ LDAPDN_rewrite_dummy *func, unsigned flags )
{
X509 *x;
X509_NAME *xn;
x = tls_get_cert((SSL *)s);
if (!x) {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR,
- "ldap_pvt_tls_check_hostname: "
- "TLS unable to get peer certificate.\n" , 0, 0, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"TLS: unable to get peer certificate.\n",
0, 0, 0 );
-#endif
/* If this was a fatal condition, things would have
* aborted long before now.
*/
} else
#endif
if ((ptr = strrchr(name, '.')) && isdigit((unsigned char)ptr[1])) {
- if (inet_aton(name, (struct in_addr *)&addr))
- ntype = IS_IP4;
+ if (inet_aton(name, (struct in_addr *)&addr)) ntype = IS_IP4;
}
i = X509_get_ext_by_NID(x, NID_subject_alt_name, -1);
sn = (char *) ASN1_STRING_data(gn->d.ia5);
sl = ASN1_STRING_length(gn->d.ia5);
+ /* ignore empty */
+ if (sl == 0) continue;
+
/* Is this an exact match? */
if ((len1 == sl) && !strncasecmp(name, sn, len1)) {
break;
}
/* Is this a wildcard match? */
- if ((*sn == '*') && domain && (len2 == sl-1) &&
- !strncasecmp(domain, sn+1, len2)) {
+ if (domain && (sn[0] == '*') && (sn[1] == '.') &&
+ (len2 == sl-1) && !strncasecmp(domain, &sn[1], len2))
+ {
break;
}
-#if 0
- /* Is this a RFC 2459 style wildcard match? */
- if ((*sn == '.') && domain && (len2 == sl) &&
- !strncasecmp(domain, sn, len2)) {
- break;
- }
-#endif
} else if (gn->type == GEN_IPADD) {
if (ntype == IS_DNS) continue;
if (ret != LDAP_SUCCESS) {
X509_NAME *xn;
char buf[2048];
+ buf[0] = '\0';
xn = X509_get_subject_name(x);
-
if( X509_NAME_get_text_by_NID( xn, NID_commonName,
buf, sizeof(buf)) == -1)
{
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR, "ldap_pvt_tls_check_hostname: "
- "TLS unable to get common name from peer certificate.\n",
- 0, 0, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"TLS: unable to get common name from peer certificate.\n",
0, 0, 0 );
-#endif
+ ret = LDAP_CONNECT_ERROR;
+ if ( ld->ld_error ) {
+ LDAP_FREE( ld->ld_error );
+ }
ld->ld_error = LDAP_STRDUP(
_("TLS: unable to get CN from peer certificate"));
- } else if (strcasecmp(name, buf)) {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR, "ldap_pvt_tls_check_hostname: "
- "TLS hostname (%s) does not match "
- "common name in certificate (%s).\n", name, buf, 0 );
-#else
+ } else if (strcasecmp(name, buf) == 0 ) {
+ ret = LDAP_SUCCESS;
+
+ } else if (( buf[0] == '*' ) && ( buf[1] == '.' )) {
+ char *domain = strchr(name, '.');
+ if( domain ) {
+ size_t dlen = 0;
+ size_t sl;
+
+ sl = strlen(name);
+ dlen = sl - (domain-name);
+ sl = strlen(buf);
+
+ /* Is this a wildcard match? */
+ if ((dlen == sl-1) && !strncasecmp(domain, &buf[1], dlen)) {
+ ret = LDAP_SUCCESS;
+ }
+ }
+ }
+
+ if( ret == LDAP_LOCAL_ERROR ) {
Debug( LDAP_DEBUG_ANY, "TLS: hostname (%s) does not match "
"common name in certificate (%s).\n",
name, buf, 0 );
-#endif
ret = LDAP_CONNECT_ERROR;
+ if ( ld->ld_error ) {
+ LDAP_FREE( ld->ld_error );
+ }
ld->ld_error = LDAP_STRDUP(
_("TLS: hostname does not match CN in peer certificate"));
-
- } else {
- ret = LDAP_SUCCESS;
}
}
X509_free(x);
case LDAP_OPT_X_TLS_CERTFILE:
case LDAP_OPT_X_TLS_KEYFILE:
case LDAP_OPT_X_TLS_RANDOM_FILE:
+ case LDAP_OPT_X_TLS_CIPHER_SUITE:
+ case LDAP_OPT_X_TLS_DHFILE:
return ldap_pvt_tls_set_option( ld, option, (void *) arg );
case LDAP_OPT_X_TLS_REQUIRE_CERT:
return ldap_pvt_tls_set_option( ld, option, &i );
}
return -1;
+#ifdef HAVE_OPENSSL_CRL
+ case LDAP_OPT_X_TLS_CRLCHECK:
+ i = -1;
+ if ( strcasecmp( arg, "none" ) == 0 ) {
+ i = LDAP_OPT_X_TLS_CRL_NONE ;
+ } else if ( strcasecmp( arg, "peer" ) == 0 ) {
+ i = LDAP_OPT_X_TLS_CRL_PEER ;
+ } else if ( strcasecmp( arg, "all" ) == 0 ) {
+ i = LDAP_OPT_X_TLS_CRL_ALL ;
+ }
+ if (i >= 0) {
+ return ldap_pvt_tls_set_option( ld, option, &i );
+ }
+ return -1;
+#endif
}
-
return -1;
}
*(int *)arg = lo->ldo_tls_mode;
break;
case LDAP_OPT_X_TLS_CTX:
- if ( ld == NULL ) {
- *(void **)arg = (void *) tls_def_ctx;
- } else {
- *(void **)arg = ld->ld_defconn->lconn_tls_ctx;
+ *(void **)arg = lo->ldo_tls_ctx;
+ if ( lo->ldo_tls_ctx ) {
+ SSL_CTX *ctx = lo->ldo_tls_ctx;
+ CRYPTO_add( &ctx->references, 1, CRYPTO_LOCK_SSL_CTX );
}
break;
case LDAP_OPT_X_TLS_CACERTFILE:
- *(char **)arg = tls_opt_cacertfile ?
- LDAP_STRDUP( tls_opt_cacertfile ) : NULL;
+ *(char **)arg = lo->ldo_tls_cacertfile ?
+ LDAP_STRDUP( lo->ldo_tls_cacertfile ) : NULL;
break;
case LDAP_OPT_X_TLS_CACERTDIR:
- *(char **)arg = tls_opt_cacertdir ?
- LDAP_STRDUP( tls_opt_cacertdir ) : NULL;
+ *(char **)arg = lo->ldo_tls_cacertdir ?
+ LDAP_STRDUP( lo->ldo_tls_cacertdir ) : NULL;
break;
case LDAP_OPT_X_TLS_CERTFILE:
- *(char **)arg = tls_opt_certfile ?
- LDAP_STRDUP( tls_opt_certfile ) : NULL;
+ *(char **)arg = lo->ldo_tls_certfile ?
+ LDAP_STRDUP( lo->ldo_tls_certfile ) : NULL;
break;
case LDAP_OPT_X_TLS_KEYFILE:
- *(char **)arg = tls_opt_keyfile ?
- LDAP_STRDUP( tls_opt_keyfile ) : NULL;
+ *(char **)arg = lo->ldo_tls_keyfile ?
+ LDAP_STRDUP( lo->ldo_tls_keyfile ) : NULL;
+ break;
+ case LDAP_OPT_X_TLS_DHFILE:
+ *(char **)arg = lo->ldo_tls_dhfile ?
+ LDAP_STRDUP( lo->ldo_tls_dhfile ) : NULL;
break;
case LDAP_OPT_X_TLS_REQUIRE_CERT:
- *(int *)arg = tls_opt_require_cert;
+ *(int *)arg = lo->ldo_tls_require_cert;
+ break;
+#ifdef HAVE_OPENSSL_CRL
+ case LDAP_OPT_X_TLS_CRLCHECK:
+ *(int *)arg = lo->ldo_tls_crlcheck;
break;
+#endif
case LDAP_OPT_X_TLS_RANDOM_FILE:
*(char **)arg = tls_opt_randfile ?
LDAP_STRDUP( tls_opt_randfile ) : NULL;
*(void **)arg = retval;
break;
}
+ case LDAP_OPT_X_TLS_CONNECT_CB:
+ *(LDAP_TLS_CONNECT_CB **)arg = lo->ldo_tls_connect_cb;
+ break;
+ case LDAP_OPT_X_TLS_CONNECT_ARG:
+ *(void **)arg = lo->ldo_tls_connect_arg;
+ break;
default:
return -1;
}
switch( option ) {
case LDAP_OPT_X_TLS:
+ if ( !arg ) return -1;
+
switch( *(int *) arg ) {
case LDAP_OPT_X_TLS_NEVER:
case LDAP_OPT_X_TLS_DEMAND:
return -1;
case LDAP_OPT_X_TLS_CTX:
- if ( ld == NULL ) {
- tls_def_ctx = (SSL_CTX *) arg;
-
- } else {
- ld->ld_defconn->lconn_tls_ctx = arg;
- }
+ if ( lo->ldo_tls_ctx )
+ SSL_CTX_free( lo->ldo_tls_ctx );
+ lo->ldo_tls_ctx = arg;
+ return 0;
+ case LDAP_OPT_X_TLS_CONNECT_CB:
+ lo->ldo_tls_connect_cb = (LDAP_TLS_CONNECT_CB *)arg;
+ return 0;
+ case LDAP_OPT_X_TLS_CONNECT_ARG:
+ lo->ldo_tls_connect_arg = arg;
return 0;
- }
-
- if ( ld != NULL ) {
- return -1;
- }
-
- switch( option ) {
case LDAP_OPT_X_TLS_CACERTFILE:
- if ( tls_opt_cacertfile ) LDAP_FREE( tls_opt_cacertfile );
- tls_opt_cacertfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
- break;
+ if ( lo->ldo_tls_cacertfile ) LDAP_FREE( lo->ldo_tls_cacertfile );
+ lo->ldo_tls_cacertfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
+ return 0;
case LDAP_OPT_X_TLS_CACERTDIR:
- if ( tls_opt_cacertdir ) LDAP_FREE( tls_opt_cacertdir );
- tls_opt_cacertdir = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
- break;
+ if ( lo->ldo_tls_cacertdir ) LDAP_FREE( lo->ldo_tls_cacertdir );
+ lo->ldo_tls_cacertdir = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
+ return 0;
case LDAP_OPT_X_TLS_CERTFILE:
- if ( tls_opt_certfile ) LDAP_FREE( tls_opt_certfile );
- tls_opt_certfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
- break;
+ if ( lo->ldo_tls_certfile ) LDAP_FREE( lo->ldo_tls_certfile );
+ lo->ldo_tls_certfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
+ return 0;
case LDAP_OPT_X_TLS_KEYFILE:
- if ( tls_opt_keyfile ) LDAP_FREE( tls_opt_keyfile );
- tls_opt_keyfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
- break;
+ if ( lo->ldo_tls_keyfile ) LDAP_FREE( lo->ldo_tls_keyfile );
+ lo->ldo_tls_keyfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
+ return 0;
+ case LDAP_OPT_X_TLS_DHFILE:
+ if ( lo->ldo_tls_dhfile ) LDAP_FREE( lo->ldo_tls_dhfile );
+ lo->ldo_tls_dhfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
+ return 0;
case LDAP_OPT_X_TLS_REQUIRE_CERT:
+ if ( !arg ) return -1;
switch( *(int *) arg ) {
case LDAP_OPT_X_TLS_NEVER:
case LDAP_OPT_X_TLS_DEMAND:
case LDAP_OPT_X_TLS_ALLOW:
case LDAP_OPT_X_TLS_TRY:
case LDAP_OPT_X_TLS_HARD:
- tls_opt_require_cert = * (int *) arg;
+ lo->ldo_tls_require_cert = * (int *) arg;
+ return 0;
+ }
+ return -1;
+#ifdef HAVE_OPENSSL_CRL
+ case LDAP_OPT_X_TLS_CRLCHECK:
+ if ( !arg ) return -1;
+ switch( *(int *) arg ) {
+ case LDAP_OPT_X_TLS_CRL_NONE:
+ case LDAP_OPT_X_TLS_CRL_PEER:
+ case LDAP_OPT_X_TLS_CRL_ALL:
+ lo->ldo_tls_crlcheck = * (int *) arg;
return 0;
}
return -1;
+#endif
case LDAP_OPT_X_TLS_CIPHER_SUITE:
- if ( tls_opt_ciphersuite ) LDAP_FREE( tls_opt_ciphersuite );
- tls_opt_ciphersuite = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
- break;
+ if ( lo->ldo_tls_ciphersuite ) LDAP_FREE( lo->ldo_tls_ciphersuite );
+ lo->ldo_tls_ciphersuite = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
+ return 0;
+
case LDAP_OPT_X_TLS_RANDOM_FILE:
+ if ( ld != NULL )
+ return -1;
if (tls_opt_randfile ) LDAP_FREE (tls_opt_randfile );
tls_opt_randfile = arg ? LDAP_STRDUP( (char *) arg ) : NULL;
break;
+
+ case LDAP_OPT_X_TLS_NEWCTX:
+ if ( !arg ) return -1;
+ if ( lo->ldo_tls_ctx )
+ SSL_CTX_free( lo->ldo_tls_ctx );
+ lo->ldo_tls_ctx = NULL;
+ return ldap_int_tls_init_ctx( lo, *(int *)arg );
default:
return -1;
}
/*
* compare host with name(s) in certificate
*/
- if (tls_opt_require_cert != LDAP_OPT_X_TLS_NEVER) {
+ if (ld->ld_options.ldo_tls_require_cert != LDAP_OPT_X_TLS_NEVER) {
ld->ld_errno = ldap_pvt_tls_check_hostname( ld, ssl, host );
if (ld->ld_errno != LDAP_SUCCESS) {
return ld->ld_errno;
}
#endif
if ( where & SSL_CB_LOOP ) {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, DETAIL1, "tls_info_cb: "
- "TLS trace: %s:%s\n", op, state, 0 );
-#else
Debug( LDAP_DEBUG_TRACE,
"TLS trace: %s:%s\n",
op, state, 0 );
-#endif
} else if ( where & SSL_CB_ALERT ) {
char *atype = (char *) SSL_alert_type_string_long( ret );
__etoa( adesc );
}
#endif
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, DETAIL1,
- "tls_info_cb: TLS trace: SSL3 alert %s:%s:%s\n",
- op, atype, adesc );
-#else
Debug( LDAP_DEBUG_TRACE,
"TLS trace: SSL3 alert %s:%s:%s\n",
op, atype, adesc );
-#endif
#ifdef HAVE_EBCDIC
if ( atype ) LDAP_FREE( atype );
if ( adesc ) LDAP_FREE( adesc );
#endif
} else if ( where & SSL_CB_EXIT ) {
if ( ret == 0 ) {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR,
- "tls_info_cb: TLS trace: %s:failed in %s\n",
- op, state, 0 );
-#else
Debug( LDAP_DEBUG_TRACE,
"TLS trace: %s:failed in %s\n",
op, state, 0 );
-#endif
} else if ( ret < 0 ) {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR,
- "tls_info_cb: TLS trace: %s:error in %s\n",
- op, state, 0 );
-#else
Debug( LDAP_DEBUG_TRACE,
"TLS trace: %s:error in %s\n",
op, state, 0 );
-#endif
}
}
#ifdef HAVE_EBCDIC
__etoa( certerr );
}
#endif
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ERR,
- "TLS certificate verification: depth: %d, err: %d, subject: %s,",
- errdepth, errnum,
- sname ? sname : "-unknown-" );
- LDAP_LOG( TRANSPORT, ERR, " issuer: %s\n", iname ? iname : "-unknown-", 0, 0 );
- if ( !ok ) {
- LDAP_LOG ( TRANSPORT, ERR,
- "TLS certificate verification: Error, %s\n",
- certerr, 0, 0 );
- }
-#else
Debug( LDAP_DEBUG_TRACE,
"TLS certificate verification: depth: %d, err: %d, subject: %s,",
errdepth, errnum,
"TLS certificate verification: Error, %s\n",
certerr, 0, 0 );
}
-#endif
if ( sname )
CRYPTO_free ( sname );
if ( iname )
}
__etoa( buf );
#endif
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR,
- "tls_report_error: TLS %s %s:%d\n",
- buf, file, line );
-#else
Debug( LDAP_DEBUG_ANY, "TLS: %s %s:%d\n",
buf, file, line );
-#endif
#ifdef HAVE_EBCDIC
if ( file ) LDAP_FREE( (void *)file );
#endif
tmp_rsa = RSA_generate_key( key_length, RSA_F4, NULL, NULL );
if ( !tmp_rsa ) {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, ERR,
- "tls_tmp_rsa_cb: TLS Failed to generate temporary %d-bit %s "
- "RSA key\n", key_length, is_export ? "export" : "domestic", 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"TLS: Failed to generate temporary %d-bit %s RSA key\n",
key_length, is_export ? "export" : "domestic", 0 );
-#endif
return NULL;
}
return tmp_rsa;
}
if (randfile == NULL) {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, DETAIL1,
- "tls_seed_PRNG: TLS Use configuration file or "
- "$RANDFILE to define seed PRNG\n", 0, 0, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"TLS: Use configuration file or $RANDFILE to define seed PRNG\n",
0, 0, 0);
-#endif
return -1;
}
total = RAND_load_file(randfile, -1);
if (RAND_status() == 0) {
-#ifdef NEW_LOGGING
- LDAP_LOG ( TRANSPORT, DETAIL1,
- "tls_seed_PRNG: TLS PRNG not been seeded with enough data\n",
- 0, 0, 0 );
-#else
Debug( LDAP_DEBUG_ANY,
"TLS: PRNG not been seeded with enough data\n",
0, 0, 0);
-#endif
return -1;
}
return 0;
}
-#if 0
+struct dhinfo {
+ int keylength;
+ const char *pem;
+ size_t size;
+};
+
+
+/* From the OpenSSL 0.9.7 distro */
+static const char dhpem512[] =
+"-----BEGIN DH PARAMETERS-----\n\
+MEYCQQDaWDwW2YUiidDkr3VvTMqS3UvlM7gE+w/tlO+cikQD7VdGUNNpmdsp13Yn\n\
+a6LT1BLiGPTdHghM9tgAPnxHdOgzAgEC\n\
+-----END DH PARAMETERS-----\n";
+
+static const char dhpem1024[] =
+"-----BEGIN DH PARAMETERS-----\n\
+MIGHAoGBAJf2QmHKtQXdKCjhPx1ottPb0PMTBH9A6FbaWMsTuKG/K3g6TG1Z1fkq\n\
+/Gz/PWk/eLI9TzFgqVAuPvr3q14a1aZeVUMTgo2oO5/y2UHe6VaJ+trqCTat3xlx\n\
+/mNbIK9HA2RgPC3gWfVLZQrY+gz3ASHHR5nXWHEyvpuZm7m3h+irAgEC\n\
+-----END DH PARAMETERS-----\n";
+
+static const char dhpem2048[] =
+"-----BEGIN DH PARAMETERS-----\n\
+MIIBCAKCAQEA7ZKJNYJFVcs7+6J2WmkEYb8h86tT0s0h2v94GRFS8Q7B4lW9aG9o\n\
+AFO5Imov5Jo0H2XMWTKKvbHbSe3fpxJmw/0hBHAY8H/W91hRGXKCeyKpNBgdL8sh\n\
+z22SrkO2qCnHJ6PLAMXy5fsKpFmFor2tRfCzrfnggTXu2YOzzK7q62bmqVdmufEo\n\
+pT8igNcLpvZxk5uBDvhakObMym9mX3rAEBoe8PwttggMYiiw7NuJKO4MqD1llGkW\n\
+aVM8U2ATsCun1IKHrRxynkE1/MJ86VHeYYX8GZt2YA8z+GuzylIOKcMH6JAWzMwA\n\
+Gbatw6QwizOhr9iMjZ0B26TE3X8LvW84wwIBAg==\n\
+-----END DH PARAMETERS-----\n";
+
+static const char dhpem4096[] =
+"-----BEGIN DH PARAMETERS-----\n\
+MIICCAKCAgEA/urRnb6vkPYc/KEGXWnbCIOaKitq7ySIq9dTH7s+Ri59zs77zty7\n\
+vfVlSe6VFTBWgYjD2XKUFmtqq6CqXMhVX5ElUDoYDpAyTH85xqNFLzFC7nKrff/H\n\
+TFKNttp22cZE9V0IPpzedPfnQkE7aUdmF9JnDyv21Z/818O93u1B4r0szdnmEvEF\n\
+bKuIxEHX+bp0ZR7RqE1AeifXGJX3d6tsd2PMAObxwwsv55RGkn50vHO4QxtTARr1\n\
+rRUV5j3B3oPMgC7Offxx+98Xn45B1/G0Prp11anDsR1PGwtaCYipqsvMwQUSJtyE\n\
+EOQWk+yFkeMe4vWv367eEi0Sd/wnC+TSXBE3pYvpYerJ8n1MceI5GQTdarJ77OW9\n\
+bGTHmxRsLSCM1jpLdPja5jjb4siAa6EHc4qN9c/iFKS3PQPJEnX7pXKBRs5f7AF3\n\
+W3RIGt+G9IVNZfXaS7Z/iCpgzgvKCs0VeqN38QsJGtC1aIkwOeyjPNy2G6jJ4yqH\n\
+ovXYt/0mc00vCWeSNS1wren0pR2EiLxX0ypjjgsU1mk/Z3b/+zVf7fZSIB+nDLjb\n\
+NPtUlJCVGnAeBK1J1nG3TQicqowOXoM6ISkdaXj5GPJdXHab2+S7cqhKGv5qC7rR\n\
+jT6sx7RUr0CNTxzLI7muV2/a4tGmj0PSdXQdsZ7tw7gbXlaWT1+MM2MCAQI=\n\
+-----END DH PARAMETERS-----\n";
+
+static const struct dhinfo dhpem[] = {
+ { 512, dhpem512, sizeof(dhpem512) },
+ { 1024, dhpem1024, sizeof(dhpem1024) },
+ { 2048, dhpem2048, sizeof(dhpem2048) },
+ { 4096, dhpem4096, sizeof(dhpem4096) },
+ { 0, NULL, 0 }
+};
+
static DH *
tls_tmp_dh_cb( SSL *ssl, int is_export, int key_length )
{
+ struct dhplist *p = NULL;
+ BIO *b = NULL;
+ DH *dh = NULL;
+ int i;
+
+ /* Do we have params of this length already? */
+#ifdef LDAP_R_COMPILE
+ ldap_pvt_thread_mutex_lock( &tls_def_ctx_mutex );
+#endif
+ for ( p = dhparams; p; p=p->next ) {
+ if ( p->keylength == key_length ) {
+#ifdef LDAP_R_COMPILE
+ ldap_pvt_thread_mutex_unlock( &tls_def_ctx_mutex );
+#endif
+ return p->param;
+ }
+ }
+
+ /* No - check for hardcoded params */
+
+ for (i=0; dhpem[i].keylength; i++) {
+ if ( dhpem[i].keylength == key_length ) {
+ b = BIO_new_mem_buf( (char *)dhpem[i].pem, dhpem[i].size );
+ break;
+ }
+ }
+
+ if ( b ) {
+ dh = PEM_read_bio_DHparams( b, NULL, NULL, NULL );
+ BIO_free( b );
+ }
+
+ /* Generating on the fly is expensive/slow... */
+ if ( !dh ) {
+ dh = DH_generate_parameters( key_length, DH_GENERATOR_2, NULL, NULL );
+ }
+ if ( dh ) {
+ p = LDAP_MALLOC( sizeof(struct dhplist) );
+ if ( p != NULL ) {
+ p->keylength = key_length;
+ p->param = dh;
+ p->next = dhparams;
+ dhparams = p;
+ }
+ }
+
+#ifdef LDAP_R_COMPILE
+ ldap_pvt_thread_mutex_unlock( &tls_def_ctx_mutex );
+#endif
+ return dh;
+}
+#endif
+
+void *
+ldap_pvt_tls_sb_ctx( Sockbuf *sb )
+{
+#ifdef HAVE_TLS
+ void *p;
+
+ if (HAS_TLS( sb )) {
+ ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_SSL, (void *)&p );
+ return p;
+ }
+#endif
+
return NULL;
}
+
+int
+ldap_pvt_tls_get_strength( void *s )
+{
+#ifdef HAVE_TLS
+ SSL_CIPHER *c;
+
+ c = SSL_get_current_cipher((SSL *)s);
+ return SSL_CIPHER_get_bits(c, NULL);
+#else
+ return 0;
#endif
+}
+
+
+int
+ldap_pvt_tls_get_my_dn( void *s, struct berval *dn, LDAPDN_rewrite_dummy *func, unsigned flags )
+{
+#ifdef HAVE_TLS
+ X509 *x;
+ X509_NAME *xn;
+ int rc;
+
+ x = SSL_get_certificate((SSL *)s);
+
+ if (!x) return LDAP_INVALID_CREDENTIALS;
+
+ xn = X509_get_subject_name(x);
+ rc = ldap_X509dn2bv(xn, dn, (LDAPDN_rewrite_func *)func, flags );
+ return rc;
+#else
+ return LDAP_NOT_SUPPORTED;
#endif
+}
+
+int
+ldap_start_tls( LDAP *ld,
+ LDAPControl **serverctrls,
+ LDAPControl **clientctrls,
+ int *msgidp )
+{
+ return ldap_extended_operation( ld, LDAP_EXOP_START_TLS,
+ NULL, serverctrls, clientctrls, msgidp );
+}
+
+int
+ldap_install_tls( LDAP *ld )
+{
+#ifndef HAVE_TLS
+ return LDAP_NOT_SUPPORTED;
+#else
+ if ( ldap_tls_inplace( ld ) ) {
+ return LDAP_LOCAL_ERROR;
+ }
+
+ return ldap_int_tls_start( ld, ld->ld_defconn, NULL );
+#endif
+}
int
ldap_start_tls_s ( LDAP *ld,
LDAPControl **serverctrls,
LDAPControl **clientctrls )
{
+#ifndef HAVE_TLS
+ return LDAP_NOT_SUPPORTED;
+#else
int rc;
-
-#ifdef HAVE_TLS
char *rspoid = NULL;
struct berval *rspdata = NULL;
/* XXYYZ: this initiates operation only on default connection! */
- if ( ld->ld_sb != NULL && ldap_pvt_tls_inplace( ld->ld_sb ) != 0 ) {
+ if ( ldap_tls_inplace( ld ) ) {
return LDAP_LOCAL_ERROR;
}
rc = ldap_extended_operation_s( ld, LDAP_EXOP_START_TLS,
NULL, serverctrls, clientctrls, &rspoid, &rspdata );
- if ( rc != LDAP_SUCCESS ) {
- return rc;
- }
if ( rspoid != NULL ) {
LDAP_FREE(rspoid);
ber_bvfree( rspdata );
}
- rc = ldap_int_tls_start( ld, ld->ld_defconn, NULL );
-#else
- rc = LDAP_NOT_SUPPORTED;
-#endif
+ if ( rc == LDAP_SUCCESS ) {
+ rc = ldap_int_tls_start( ld, ld->ld_defconn, NULL );
+ }
+
return rc;
+#endif
}
projects / openldap / blobdiff