Added remote version control support to server.

[silc.git] / apps / silcd / protocol.c

diff --git a/apps/silcd/protocol.c b/apps/silcd/protocol.c
index a33184d7b1e9d2087afcc8c3e04b80f3b25b792b..7cb72adaa51914cf1b156e34e10e421386bd3142 100644 (file)
--- a/apps/silcd/protocol.c
+++ b/apps/silcd/protocol.c
@@ -371,14 +371,6 @@ SilcSKEStatus silc_ske_check_version(SilcSKE ske, unsigned char *version,
 
   if (maj != maj2)
     status = SILC_SKE_STATUS_BAD_VERSION;
-#if 0
-  if (min > min2)
-    status = SILC_SKE_STATUS_BAD_VERSION;
-#endif
-
-  /* XXX < 0.6 is not allowed */
-  if (maj == 0 && min < 5)
-    status = SILC_SKE_STATUS_BAD_VERSION;
 
   if (status == SILC_SKE_STATUS_BAD_VERSION)
     SILC_LOG_ERROR(("%s (%s) %s is not allowed/supported version", 
@@ -407,9 +399,7 @@ static void silc_server_protocol_ke_continue(SilcSKE ske, void *context)
   if (ske->status != SILC_SKE_STATUS_OK) {
     SILC_LOG_ERROR(("Error (%s) during Key Exchange protocol",
                    silc_ske_map_status(ske->status)));
-    SILC_LOG_DEBUG(("Error (%s) during Key Exchange protocol",
-                   silc_ske_map_status(ske->status)));
-    
+
     protocol->state = SILC_PROTOCOL_STATE_ERROR;
     silc_protocol_execute(protocol, server->schedule, 0, 300000);
     return;
@@ -495,8 +485,6 @@ SILC_TASK_CALLBACK(silc_server_protocol_key_exchange)
       if (status != SILC_SKE_STATUS_OK) {
        SILC_LOG_ERROR(("Error (%s) during Key Exchange protocol",
                        silc_ske_map_status(status)));
-       SILC_LOG_DEBUG(("Error (%s) during Key Exchange protocol",
-                       silc_ske_map_status(status)));
 
        protocol->state = SILC_PROTOCOL_STATE_ERROR;
        silc_protocol_execute(protocol, server->schedule, 0, 300000);
@@ -532,8 +520,6 @@ SILC_TASK_CALLBACK(silc_server_protocol_key_exchange)
       if (status != SILC_SKE_STATUS_OK) {
        SILC_LOG_ERROR(("Error (%s) during Key Exchange protocol",
                        silc_ske_map_status(status)));
-       SILC_LOG_DEBUG(("Error (%s) during Key Exchange protocol",
-                       silc_ske_map_status(status)));
 
        protocol->state = SILC_PROTOCOL_STATE_ERROR;
        silc_protocol_execute(protocol, server->schedule, 0, 300000);
@@ -575,8 +561,6 @@ SILC_TASK_CALLBACK(silc_server_protocol_key_exchange)
       if (status != SILC_SKE_STATUS_OK) {
        SILC_LOG_ERROR(("Error (%s) during Key Exchange protocol",
                        silc_ske_map_status(status)));
-       SILC_LOG_DEBUG(("Error (%s) during Key Exchange protocol",
-                       silc_ske_map_status(status)));
 
        protocol->state = SILC_PROTOCOL_STATE_ERROR;
        silc_protocol_execute(protocol, server->schedule, 0, 300000);
@@ -613,8 +597,6 @@ SILC_TASK_CALLBACK(silc_server_protocol_key_exchange)
       if (status != SILC_SKE_STATUS_OK) {
        SILC_LOG_ERROR(("Error (%s) during Key Exchange protocol",
                        silc_ske_map_status(status)));
-       SILC_LOG_DEBUG(("Error (%s) during Key Exchange protocol",
-                       silc_ske_map_status(status)));
 
        protocol->state = SILC_PROTOCOL_STATE_ERROR;
        silc_protocol_execute(protocol, server->schedule, 0, 300000);
@@ -827,7 +809,7 @@ silc_server_get_public_key_auth(SilcServer server,
 static bool 
 silc_server_get_authentication(SilcServerConnAuthInternalContext *ctx,
                               char *local_passphrase,
-                              void *local_publickey,
+                              SilcHashTable local_publickeys,
                               unsigned char *remote_auth,
                               SilcUInt32 remote_auth_len)
 {
@@ -837,7 +819,8 @@ silc_server_get_authentication(SilcServerConnAuthInternalContext *ctx,
 
   /* If we don't have authentication data set at all we do not require
      authentication at all */
-  if (!local_passphrase && !local_publickey) {
+  if (!local_passphrase && (!local_publickeys || 
+                           !silc_hash_table_count(local_publickeys))) {
     SILC_LOG_DEBUG(("No authentication required"));
     return TRUE;
   }
@@ -854,13 +837,22 @@ silc_server_get_authentication(SilcServerConnAuthInternalContext *ctx,
   }
 
   /* Try public key authenetication */
-  if (!result && local_publickey) {
+  if (!result && local_publickeys) {
+    SilcPublicKey cached_key;
+    SilcPublicKey remote_key = 
+      ((SilcIDListData)ctx->sock->user_data)->public_key;
+
     SILC_LOG_DEBUG(("Public key authentication"));
-    result = silc_server_public_key_authentication(server, 
-                                                  local_publickey,
+
+    /* Find the public key to be used in authentication */
+    cached_key = silc_server_find_public_key(server, local_publickeys,
+                                            remote_key);
+    if (!cached_key)
+      return FALSE;
+
+    result = silc_server_public_key_authentication(server, cached_key,
                                                   remote_auth,
-                                                  remote_auth_len, 
-                                                  ske);
+                                                  remote_auth_len, ske);
   }
 
   return result;
@@ -963,19 +955,17 @@ SILC_TASK_CALLBACK(silc_server_protocol_connection_auth)
          
          if (client) {
            ret = silc_server_get_authentication(ctx, client->passphrase,
-                                                client->publickey,
+                                                client->publickeys,
                                                 auth_data, payload_len);
            if (!ret) {
              /* Authentication failed */
              SILC_LOG_ERROR(("Authentication failed"));
-             SILC_LOG_DEBUG(("Authentication failed"));
              silc_free(auth_data);
              protocol->state = SILC_PROTOCOL_STATE_ERROR;
              silc_protocol_execute(protocol, server->schedule, 0, 300000);
              return;
            }
          } else {
-           SILC_LOG_DEBUG(("No configuration for remote client connection"));
            SILC_LOG_ERROR(("Remote client connection not configured"));
            SILC_LOG_ERROR(("Authentication failed"));
            silc_free(auth_data);
@@ -992,19 +982,17 @@ SILC_TASK_CALLBACK(silc_server_protocol_connection_auth)
          
          if (serv) {
            ret = silc_server_get_authentication(ctx, serv->passphrase,
-                                                serv->publickey,
+                                                serv->publickeys,
                                                 auth_data, payload_len);
            if (!ret) {
              /* Authentication failed */
              SILC_LOG_ERROR(("Authentication failed"));
-             SILC_LOG_DEBUG(("Authentication failed"));
              silc_free(auth_data);
              protocol->state = SILC_PROTOCOL_STATE_ERROR;
              silc_protocol_execute(protocol, server->schedule, 0, 300000);
              return;
            }
          } else {
-           SILC_LOG_DEBUG(("No configuration for remote server connection"));
            SILC_LOG_ERROR(("Remote server connection not configured"));
            SILC_LOG_ERROR(("Authentication failed"));
            protocol->state = SILC_PROTOCOL_STATE_ERROR;
@@ -1021,19 +1009,17 @@ SILC_TASK_CALLBACK(silc_server_protocol_connection_auth)
 
          if (serv) {
            ret = silc_server_get_authentication(ctx, serv->passphrase,
-                                                serv->publickey,
+                                                serv->publickeys,
                                                 auth_data, payload_len);
            if (!ret) {
              /* Authentication failed */
              SILC_LOG_ERROR(("Authentication failed"));
-             SILC_LOG_DEBUG(("Authentication failed"));
              silc_free(auth_data);
              protocol->state = SILC_PROTOCOL_STATE_ERROR;
              silc_protocol_execute(protocol, server->schedule, 0, 300000);
              return;
            }
          } else {
-           SILC_LOG_DEBUG(("No configuration for remote router connection"));
            SILC_LOG_ERROR(("Remote router connection not configured"));
            SILC_LOG_ERROR(("Authentication failed"));
            silc_free(auth_data);