typedef SSL_CTX tlso_ctx;
typedef SSL tlso_session;
+static BIO_METHOD * tlso_bio_method = NULL;
+static BIO_METHOD * tlso_bio_setup( void );
+
static int tlso_opt_trace = 1;
static void tlso_report_error( void );
CRYPTO_set_id_callback( tlso_thread_self );
}
#endif /* LDAP_R_COMPILE */
+#else
+#ifdef LDAP_R_COMPILE
+static void tlso_thr_init( void ) {}
+#endif
+#endif /* OpenSSL 1.1 */
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000
+/*
+ * OpenSSL 1.1 API and later makes the BIO method concrete types internal.
+ */
+
+static const BIO_METHOD *
+BIO_meth_new( int type, const char *name )
+{
+ BIO_METHOD *method = LDAP_MALLOC( sizeof(BIO_METHOD) );
+ memset( method, 0, sizeof(BIO_METHOD) );
+
+ method->type = type;
+ method->name = name;
+
+ return method;
+}
+
+static void
+BIO_meth_free( BIO_METHOD *meth )
+{
+ if ( meth == NULL ) {
+ return;
+ }
+
+ LDAP_FREE( meth );
+}
+
+#define BIO_meth_set_write(m, f) (m)->bwrite = (f)
+#define BIO_meth_set_read(m, f) (m)->bread = (f)
+#define BIO_meth_set_puts(m, f) (m)->bputs = (f)
+#define BIO_meth_set_gets(m, f) (m)->bgets = (f)
+#define BIO_meth_set_ctrl(m, f) (m)->ctrl = (f)
+#define BIO_meth_set_create(m, f) (m)->create = (f)
+#define BIO_meth_set_destroy(m, f) (m)->destroy = (f)
+
#endif /* OpenSSL 1.1 */
static STACK_OF(X509_NAME) *
-tlso_ca_list( char * bundle, char * dir )
+tlso_ca_list( char * bundle, char * dir, X509 *cert )
{
STACK_OF(X509_NAME) *ca_list = NULL;
}
}
#endif
+ if ( cert ) {
+ X509_NAME *xn = X509_get_subject_name( cert );
+ xn = X509_NAME_dup( xn );
+ if ( !ca_list )
+ ca_list = sk_X509_NAME_new_null();
+ if ( xn && ca_list )
+ sk_X509_NAME_push( ca_list, xn );
+ }
return ca_list;
}
/* FIXME: mod_ssl does this */
X509V3_add_standard_extensions();
+ tlso_bio_method = tlso_bio_setup();
+
return 0;
}
{
struct ldapoptions *lo = LDAP_INT_GLOBAL_OPT();
+ BIO_meth_free( tlso_bio_method );
+
#if OPENSSL_VERSION_NUMBER < 0x10100000
EVP_cleanup();
#if OPENSSL_VERSION_NUMBER < 0x10000000
return -1;
}
- if ( lo->ldo_tls_cacertfile == NULL && lo->ldo_tls_cacertdir == NULL ) {
+ if ( lo->ldo_tls_cacertfile == NULL && lo->ldo_tls_cacertdir == NULL &&
+ lo->ldo_tls_cacert.bv_val == NULL ) {
if ( !SSL_CTX_set_default_verify_paths( ctx ) ) {
Debug( LDAP_DEBUG_ANY, "TLS: "
"could not use default certificate paths", 0, 0, 0 );
return -1;
}
} else {
- if ( !SSL_CTX_load_verify_locations( ctx,
+ X509 *cert = NULL;
+ if ( lo->ldo_tls_cacert.bv_val ) {
+ const unsigned char *pp = lo->ldo_tls_cacert.bv_val;
+ cert = d2i_X509( NULL, &pp, lo->ldo_tls_cacert.bv_len );
+ X509_STORE *store = SSL_CTX_get_cert_store( ctx );
+ if ( !X509_STORE_add_cert( store, cert )) {
+ Debug( LDAP_DEBUG_ANY, "TLS: "
+ "could not use CA certificate", 0, 0, 0 );
+ tlso_report_error();
+ return -1;
+ }
+ }
+ if (( lt->lt_cacertfile || lt->lt_cacertdir ) && !SSL_CTX_load_verify_locations( ctx,
lt->lt_cacertfile, lt->lt_cacertdir ) )
{
Debug( LDAP_DEBUG_ANY, "TLS: "
if ( is_server ) {
STACK_OF(X509_NAME) *calist;
/* List of CA names to send to a client */
- calist = tlso_ca_list( lt->lt_cacertfile, lt->lt_cacertdir );
+ calist = tlso_ca_list( lt->lt_cacertfile, lt->lt_cacertdir, cert );
if ( !calist ) {
Debug( LDAP_DEBUG_ANY, "TLS: "
"could not load client CA list (file:`%s',dir:`%s').\n",
SSL_CTX_set_client_CA_list( ctx, calist );
}
+ if ( cert )
+ X509_free( cert );
}
+ if ( lo->ldo_tls_cert.bv_val )
+ {
+ const unsigned char *pp = lo->ldo_tls_cert.bv_val;
+ X509 *cert = d2i_X509( NULL, &pp, lo->ldo_tls_cert.bv_len );
+ if ( !SSL_CTX_use_certificate( ctx, cert )) {
+ Debug( LDAP_DEBUG_ANY,
+ "TLS: could not use certificate.\n", 0,0,0);
+ tlso_report_error();
+ return -1;
+ }
+ X509_free( cert );
+ } else
if ( lo->ldo_tls_certfile &&
!SSL_CTX_use_certificate_file( ctx,
lt->lt_certfile, SSL_FILETYPE_PEM ) )
{
Debug( LDAP_DEBUG_ANY,
- "TLS: could not use certificate `%s'.\n",
+ "TLS: could not use certificate file `%s'.\n",
lo->ldo_tls_certfile,0,0);
tlso_report_error();
return -1;
}
/* Key validity is checked automatically if cert has already been set */
+ if ( lo->ldo_tls_key.bv_val )
+ {
+ const unsigned char *pp = lo->ldo_tls_key.bv_val;
+ EVP_PKEY *pkey = d2i_AutoPrivateKey( NULL, &pp, lo->ldo_tls_key.bv_len );
+ if ( !SSL_CTX_use_PrivateKey( ctx, pkey ))
+ {
+ Debug( LDAP_DEBUG_ANY,
+ "TLS: could not use private key.\n", 0,0,0);
+ tlso_report_error();
+ return -1;
+ }
+ EVP_PKEY_free( pkey );
+ } else
if ( lo->ldo_tls_keyfile &&
!SSL_CTX_use_PrivateKey_file( ctx,
lt->lt_keyfile, SSL_FILETYPE_PEM ) )
return 0;
}
+static int
+tlso_session_pinning( LDAP *ld, tls_session *sess, char *hashalg, struct berval *hash )
+{
+ tlso_session *s = (tlso_session *)sess;
+ char *tmp, digest[EVP_MAX_MD_SIZE];
+ struct berval key,
+ keyhash = { .bv_val = digest, .bv_len = sizeof(digest) };
+ X509 *cert = SSL_get_peer_certificate(s);
+ int len, rc = LDAP_SUCCESS;
+
+ len = i2d_X509_PUBKEY( X509_get_X509_PUBKEY(cert), NULL );
+
+ key.bv_val = tmp = LDAP_MALLOC( len );
+ if ( !key.bv_val ) {
+ return -1;
+ }
+
+ key.bv_len = i2d_X509_PUBKEY( X509_get_X509_PUBKEY(cert), &tmp );
+
+ if ( hashalg ) {
+ const EVP_MD *md;
+ EVP_MD_CTX *mdctx;
+ unsigned int len = keyhash.bv_len;
+
+ md = EVP_get_digestbyname( hashalg );
+ if ( !md ) {
+ Debug( LDAP_DEBUG_TRACE, "tlso_session_pinning: "
+ "hash %s not recognised by OpenSSL\n", hashalg, 0, 0 );
+ rc = -1;
+ goto done;
+ }
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000
+ mdctx = EVP_MD_CTX_new();
+#else
+ mdctx = EVP_MD_CTX_create();
+#endif
+ if ( !mdctx ) {
+ rc = -1;
+ goto done;
+ }
+
+ EVP_DigestInit_ex( mdctx, md, NULL );
+ EVP_DigestUpdate( mdctx, key.bv_val, key.bv_len );
+ EVP_DigestFinal_ex( mdctx, (unsigned char *)keyhash.bv_val, &len );
+ keyhash.bv_len = len;
+#if OPENSSL_VERSION_NUMBER >= 0x10100000
+ EVP_MD_CTX_free( mdctx );
+#else
+ EVP_MD_CTX_destroy( mdctx );
+#endif
+ } else {
+ keyhash = key;
+ }
+
+ if ( ber_bvcmp( hash, &keyhash ) ) {
+ rc = LDAP_CONNECT_ERROR;
+ Debug( LDAP_DEBUG_ANY, "tlso_session_pinning: "
+ "public key hash does not match provided pin.\n", 0, 0, 0 );
+ if ( ld->ld_error ) {
+ LDAP_FREE( ld->ld_error );
+ }
+ ld->ld_error = LDAP_STRDUP(
+ _("TLS: public key hash does not match provided pin"));
+ }
+
+done:
+ LDAP_FREE( key.bv_val );
+ return rc;
+}
+
/*
* TLS support for LBER Sockbufs
*/
return tlso_bio_write( b, str, strlen( str ) );
}
-#if OPENSSL_VERSION_NUMBER >= 0x10100000
-struct bio_method_st {
- int type;
- const char *name;
- int (*bwrite) (BIO *, const char *, int);
- int (*bread) (BIO *, char *, int);
- int (*bputs) (BIO *, const char *);
- int (*bgets) (BIO *, char *, int);
- long (*ctrl) (BIO *, int, long, void *);
- int (*create) (BIO *);
- int (*destroy) (BIO *);
- long (*callback_ctrl) (BIO *, int, bio_info_cb *);
-};
-#endif
-
-static BIO_METHOD tlso_bio_method =
+static BIO_METHOD *
+tlso_bio_setup( void )
{
- ( 100 | 0x400 ), /* it's a source/sink BIO */
- "sockbuf glue",
- tlso_bio_write,
- tlso_bio_read,
- tlso_bio_puts,
- tlso_bio_gets,
- tlso_bio_ctrl,
- tlso_bio_create,
- tlso_bio_destroy
-};
+ /* it's a source/sink BIO */
+ BIO_METHOD * method = BIO_meth_new( 100 | 0x400, "sockbuf glue" );
+ BIO_meth_set_write( method, tlso_bio_write );
+ BIO_meth_set_read( method, tlso_bio_read );
+ BIO_meth_set_puts( method, tlso_bio_puts );
+ BIO_meth_set_gets( method, tlso_bio_gets );
+ BIO_meth_set_ctrl( method, tlso_bio_ctrl );
+ BIO_meth_set_create( method, tlso_bio_create );
+ BIO_meth_set_destroy( method, tlso_bio_destroy );
+
+ return method;
+}
static int
tlso_sb_setup( Sockbuf_IO_Desc *sbiod, void *arg )
p->session = arg;
p->sbiod = sbiod;
- bio = BIO_new( &tlso_bio_method );
+ bio = BIO_new( tlso_bio_method );
BIO_set_data( bio, p );
SSL_set_bio( p->session, bio, bio );
sbiod->sbiod_pvt = p;
*/
subject = X509_get_subject_name( cert );
issuer = X509_get_issuer_name( cert );
- /* X509_NAME_oneline, if passed a NULL buf, allocate memomry */
+ /* X509_NAME_oneline, if passed a NULL buf, allocate memory */
sname = X509_NAME_oneline( subject, NULL, 0 );
iname = X509_NAME_oneline( issuer, NULL, 0 );
if ( !ok ) certerr = (char *)X509_verify_cert_error_string( errnum );
* The fact is that when $HOME is NULL, .rnd is used.
*/
randfile = RAND_file_name( buffer, sizeof( buffer ) );
-
- } else if (RAND_egd(randfile) > 0) {
+ }
+#ifndef OPENSSL_NO_EGD
+ else if (RAND_egd(randfile) > 0) {
/* EGD socket */
return 0;
}
+#endif
if (randfile == NULL) {
Debug( LDAP_DEBUG_ANY,
tlso_session_version,
tlso_session_cipher,
tlso_session_peercert,
+ tlso_session_pinning,
&tlso_sbio,
-#if defined(LDAP_R_COMPILE) && OPENSSL_VERSION_NUMBER < 0x10100000
+#ifdef LDAP_R_COMPILE
tlso_thr_init,
#else
NULL,
projects / openldap / blobdiff