Replace Opaque and Strict options with a TunnelServer option.

[tinc] / src / protocol_key.c

diff --git a/src/protocol_key.c b/src/protocol_key.c
index 3b5cd46..049fc1e 100644 (file)
--- a/src/protocol_key.c
+++ b/src/protocol_key.c
@@ -17,11 +17,14 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 
-    $Id: protocol_key.c,v 1.1.4.20 2003/07/22 20:55:20 guus Exp $
+    $Id: protocol_key.c,v 1.1.4.24 2003/11/17 15:30:18 guus Exp $
 */
 
 #include "system.h"
 
+#include <openssl/evp.h>
+#include <openssl/err.h>
+
 #include "avl_tree.h"
 #include "connection.h"
 #include "logger.h"
@@ -34,7 +37,7 @@
 
 bool mykeyused = false;
 
-bool send_key_changed(connection_t *c, node_t *n)
+bool send_key_changed(connection_t *c, const node_t *n)
 {
        cp();
 
@@ -77,12 +80,13 @@ bool key_changed_h(connection_t *c)
 
        /* Tell the others */
 
-       forward_request(c);
+       if(!tunnelserver)
+               forward_request(c);
 
        return true;
 }
 
-bool send_req_key(connection_t *c, node_t *from, node_t *to)
+bool send_req_key(connection_t *c, const node_t *from, const node_t *to)
 {
        cp();
 
@@ -127,13 +131,16 @@ bool req_key_h(connection_t *c)
                memset(from->late, 0, sizeof(from->late));
                send_ans_key(c, myself, from);
        } else {
+               if(tunnelserver)
+                       return false;
+
                send_req_key(to->nexthop->connection, from, to);
        }
 
        return true;
 }
 
-bool send_ans_key(connection_t *c, node_t *from, node_t *to)
+bool send_ans_key(connection_t *c, const node_t *from, const node_t *to)
 {
        char key[MAX_STRING_SIZE];
 
@@ -186,6 +193,9 @@ bool ans_key_h(connection_t *c)
        /* Forward it if necessary */
 
        if(to != myself) {
+               if(tunnelserver)
+                       return false;
+
                return send_request(to->nexthop->connection, "%s", c->buffer);
        }
 
@@ -250,7 +260,13 @@ bool ans_key_h(connection_t *c)
        
        from->compression = compression;
 
-       EVP_EncryptInit_ex(&from->packet_ctx, from->cipher, NULL, from->key, from->key + from->cipher->key_len);
+       if(from->cipher)
+               if(!EVP_EncryptInit_ex(&from->packet_ctx, from->cipher, NULL, from->key, from->key + from->cipher->key_len)) {
+                       logger(LOG_ERR, _("Error during initialisation of key from %s (%s): %s"),
+                                       from->name, from->hostname, ERR_error_string(ERR_get_error(), NULL));
+                       return false;
+               }
+
 
        flush_queue(from);