/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2008-2013 The OpenLDAP Foundation.
+ * Copyright 2008-2014 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
static int tlso_verify_ok( int ok, X509_STORE_CTX *ctx );
static RSA * tlso_tmp_rsa_cb( SSL *ssl, int is_export, int key_length );
-static DH * tlso_tmp_dh_cb( SSL *ssl, int is_export, int key_length );
-
-typedef struct dhplist {
- struct dhplist *next;
- int keylength;
- DH *param;
-} dhplist;
-
-static dhplist *tlso_dhparams;
-
static int tlso_seed_PRNG( const char *randfile );
#ifdef LDAP_R_COMPILE
* provide mutexes for the OpenSSL library.
*/
static ldap_pvt_thread_mutex_t tlso_mutexes[CRYPTO_NUM_LOCKS];
-static ldap_pvt_thread_mutex_t tlso_dh_mutex;
static void tlso_locking_cb( int mode, int type, const char *file, int line )
{
for( i=0; i< CRYPTO_NUM_LOCKS ; i++ ) {
ldap_pvt_thread_mutex_init( &tlso_mutexes[i] );
}
- ldap_pvt_thread_mutex_init( &tlso_dh_mutex );
CRYPTO_set_locking_callback( tlso_locking_cb );
CRYPTO_set_id_callback( tlso_thread_self );
}
return -1;
}
- if ( lo->ldo_tls_dhfile ) {
- DH *dh = NULL;
+ if ( is_server && lo->ldo_tls_dhfile ) {
+ DH *dh;
BIO *bio;
- dhplist *p;
if (( bio=BIO_new_file( lt->lt_dhfile,"r" )) == NULL ) {
Debug( LDAP_DEBUG_ANY,
tlso_report_error();
return -1;
}
- 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 = tlso_dhparams;
- tlso_dhparams = p;
- }
+ if (!( dh=PEM_read_bio_DHparams( bio, NULL, NULL, NULL ))) {
+ Debug( LDAP_DEBUG_ANY,
+ "TLS: could not read DH parameters file `%s'.\n",
+ lo->ldo_tls_dhfile,0,0);
+ tlso_report_error();
+ BIO_free( bio );
+ return -1;
}
BIO_free( bio );
+ SSL_CTX_set_tmp_dh( ctx, dh );
+ SSL_CTX_set_options( ctx, SSL_OP_SINGLE_DH_USE );
+ DH_free( dh );
+ }
+
+ if ( is_server && lo->ldo_tls_ecname ) {
+#ifdef OPENSSL_NO_EC
+ Debug( LDAP_DEBUG_ANY,
+ "TLS: Elliptic Curves not supported.\n", 0,0,0 );
+ return -1;
+#else
+ EC_KEY *ecdh;
+
+ int nid = OBJ_sn2nid( lt->lt_ecname );
+ if ( nid == NID_undef ) {
+ Debug( LDAP_DEBUG_ANY,
+ "TLS: could not use EC name `%s'.\n",
+ lo->ldo_tls_ecname,0,0);
+ tlso_report_error();
+ return -1;
+ }
+ ecdh = EC_KEY_new_by_curve_name( nid );
+ if ( ecdh == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "TLS: could not generate key for EC name `%s'.\n",
+ lo->ldo_tls_ecname,0,0);
+ tlso_report_error();
+ return -1;
+ }
+ SSL_CTX_set_tmp_ecdh( ctx, ecdh );
+ SSL_CTX_set_options( ctx, SSL_OP_SINGLE_ECDH_USE );
+ EC_KEY_free( ecdh );
+#endif
}
if ( tlso_opt_trace ) {
lo->ldo_tls_require_cert == LDAP_OPT_X_TLS_ALLOW ?
tlso_verify_ok : tlso_verify_cb );
SSL_CTX_set_tmp_rsa_callback( ctx, tlso_tmp_rsa_cb );
- if ( lo->ldo_tls_dhfile ) {
- SSL_CTX_set_tmp_dh_callback( ctx, tlso_tmp_dh_cb );
- }
#ifdef HAVE_OPENSSL_CRL
if ( lo->ldo_tls_crlcheck ) {
X509_STORE *x509_s = SSL_CTX_get_cert_store( ctx );
return SSL_CIPHER_get_bits(SSL_get_current_cipher(s), NULL);
}
+static int
+tlso_session_unique( tls_session *sess, struct berval *buf, int is_server)
+{
+ tlso_session *s = (tlso_session *)sess;
+
+ /* Usually the client sends the finished msg. But if the
+ * session was resumed, the server sent the msg.
+ */
+ if (SSL_session_reused(s) ^ !is_server)
+ buf->bv_len = SSL_get_finished(s, buf->bv_val, buf->bv_len);
+ else
+ buf->bv_len = SSL_get_peer_finished(s, buf->bv_val, buf->bv_len);
+ return buf->bv_len;
+}
+
+static const char *
+tlso_session_version( tls_session *sess )
+{
+ tlso_session *s = (tlso_session *)sess;
+ return SSL_get_version(s);
+}
+
+static const char *
+tlso_session_cipher( tls_session *sess )
+{
+ tlso_session *s = (tlso_session *)sess;
+ return SSL_CIPHER_get_name(SSL_get_current_cipher(s));
+}
+
+static int
+tlso_session_peercert( tls_session *sess, struct berval *der )
+{
+ tlso_session *s = (tlso_session *)sess;
+ unsigned char *ptr;
+ X509 *x = SSL_get_peer_certificate(s);
+ der->bv_len = i2d_X509(x, NULL);
+ der->bv_val = LDAP_MALLOC(der->bv_len);
+ if ( !der->bv_val )
+ return -1;
+ ptr = der->bv_val;
+ i2d_X509(x, &ptr);
+ return 0;
+}
+
/*
* TLS support for LBER Sockbufs
*/
return 0;
}
-struct dhinfo {
- int keylength;
- const char *pem;
- size_t size;
-};
-
-
-/* From the OpenSSL 0.9.7 distro */
-static const char tlso_dhpem512[] =
-"-----BEGIN DH PARAMETERS-----\n\
-MEYCQQDaWDwW2YUiidDkr3VvTMqS3UvlM7gE+w/tlO+cikQD7VdGUNNpmdsp13Yn\n\
-a6LT1BLiGPTdHghM9tgAPnxHdOgzAgEC\n\
------END DH PARAMETERS-----\n";
-
-static const char tlso_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 tlso_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 tlso_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 tlso_dhpem[] = {
- { 512, tlso_dhpem512, sizeof(tlso_dhpem512) },
- { 1024, tlso_dhpem1024, sizeof(tlso_dhpem1024) },
- { 2048, tlso_dhpem2048, sizeof(tlso_dhpem2048) },
- { 4096, tlso_dhpem4096, sizeof(tlso_dhpem4096) },
- { 0, NULL, 0 }
-};
-
-static DH *
-tlso_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? */
- LDAP_MUTEX_LOCK( &tlso_dh_mutex );
- for ( p = tlso_dhparams; p; p=p->next ) {
- if ( p->keylength == key_length ) {
- LDAP_MUTEX_UNLOCK( &tlso_dh_mutex );
- return p->param;
- }
- }
-
- /* No - check for hardcoded params */
-
- for (i=0; tlso_dhpem[i].keylength; i++) {
- if ( tlso_dhpem[i].keylength == key_length ) {
- b = BIO_new_mem_buf( (char *)tlso_dhpem[i].pem, tlso_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 = tlso_dhparams;
- tlso_dhparams = p;
- }
- }
-
- LDAP_MUTEX_UNLOCK( &tlso_dh_mutex );
- return dh;
-}
tls_impl ldap_int_tls_impl = {
"OpenSSL",
tlso_session_peer_dn,
tlso_session_chkhost,
tlso_session_strength,
+ tlso_session_unique,
+ tlso_session_version,
+ tlso_session_cipher,
+ tlso_session_peercert,
&tlso_sbio,
projects / openldap / blobdiff