Send NO_SUCH_CHANNEL error in USERS for secret and private
[silc.git] / apps / silcd / command.c
index 1a5c7c5faebe1ff6b555adc9cd8f5b3f19209b5e..6d0dcd8ed833eb2f40f40a3a026c5fd71b7a71e5 100644 (file)
@@ -902,7 +902,7 @@ silc_server_command_whois_send_router(SilcServerCommandContext cmd)
 
   /* Send WHOIS command to our router */
   silc_server_packet_send(server, (SilcSocketConnection)
-                         server->router->connection,
+                         SILC_PRIMARY_ROUTE(server),
                          SILC_PACKET_COMMAND, cmd->packet->flags,
                          tmpbuf->data, tmpbuf->len, TRUE);
 
@@ -1266,8 +1266,7 @@ silc_server_command_whowas_process(SilcServerCommandContext cmd)
     tmpbuf = silc_command_payload_encode_payload(cmd->payload);
 
     /* Send WHOWAS command to our router */
-    silc_server_packet_send(server, (SilcSocketConnection)
-                           server->router->connection,
+    silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
                            SILC_PACKET_COMMAND, cmd->packet->flags,
                            tmpbuf->data, tmpbuf->len, TRUE);
 
@@ -1369,7 +1368,7 @@ silc_server_command_identify_send_router(SilcServerCommandContext cmd)
 
   /* Send IDENTIFY command to our router */
   silc_server_packet_send(server, (SilcSocketConnection)
-                         server->router->connection,
+                         SILC_PRIMARY_ROUTE(server),
                          SILC_PACKET_COMMAND, cmd->packet->flags,
                          tmpbuf->data, tmpbuf->len, TRUE);
 
@@ -2117,11 +2116,9 @@ SILC_SERVER_CMD_FUNC(nick)
   /* Send notify about nickname change to our router. We send the new
      ID and ask to replace it with the old one. If we are router the
      packet is broadcasted. Send NICK_CHANGE notify. */
-  if (!server->standalone)
-    silc_server_send_notify_nick_change(server, server->router->connection, 
-                                       server->server_type == SILC_SERVER ? 
-                                       FALSE : TRUE, client->id,
-                                       new_id, nick);
+  silc_server_send_notify_nick_change(server, SILC_PRIMARY_ROUTE(server),
+                                     SILC_BROADCAST(server), client->id,
+                                     new_id, nick);
 
   /* Check if anyone is watching the old nickname */
   if (server->server_type == SILC_ROUTER)
@@ -2316,7 +2313,7 @@ SILC_SERVER_CMD_FUNC(list)
     old_ident = silc_command_get_ident(cmd->payload);
     silc_command_set_ident(cmd->payload, ++server->cmd_ident);
     tmpbuf = silc_command_payload_encode_payload(cmd->payload);
-    silc_server_packet_send(server, server->router->connection,
+    silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
                            SILC_PACKET_COMMAND, cmd->packet->flags,
                            tmpbuf->data, tmpbuf->len, TRUE);
 
@@ -2443,26 +2440,26 @@ SILC_SERVER_CMD_FUNC(topic)
       goto out;
     }
 
-    /* Set the topic for channel */
-    silc_free(channel->topic);
-    channel->topic = strdup(tmp);
+    if (!channel->topic || strcmp(channel->topic, tmp)) {
+      /* Set the topic for channel */
+      silc_free(channel->topic);
+      channel->topic = strdup(tmp);
 
-    /* Send TOPIC_SET notify type to the network */
-    if (!server->standalone)
-      silc_server_send_notify_topic_set(server, server->router->connection,
-                                       server->server_type == SILC_ROUTER ?
-                                       TRUE : FALSE, channel, 
+      /* Send TOPIC_SET notify type to the network */
+      silc_server_send_notify_topic_set(server, SILC_PRIMARY_ROUTE(server),
+                                       SILC_BROADCAST(server), channel,
                                        client->id, SILC_ID_CLIENT,
                                        channel->topic);
 
-    idp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
-
-    /* Send notify about topic change to all clients on the channel */
-    silc_server_send_notify_to_channel(server, NULL, channel, FALSE, 
-                                      SILC_NOTIFY_TYPE_TOPIC_SET, 2,
-                                      idp->data, idp->len,
-                                      channel->topic, strlen(channel->topic));
-    silc_buffer_free(idp);
+      /* Send notify about topic change to all clients on the channel */
+      idp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
+      silc_server_send_notify_to_channel(server, NULL, channel, FALSE, 
+                                        SILC_NOTIFY_TYPE_TOPIC_SET, 2,
+                                        idp->data, idp->len,
+                                        channel->topic,
+                                        strlen(channel->topic));
+      silc_buffer_free(idp);
+    }
   }
 
   /* Send the topic to client as reply packet */
@@ -2684,11 +2681,9 @@ SILC_SERVER_CMD_FUNC(invite)
   }
 
   /* Send notify to the primary router */
-  if (!server->standalone)
-    silc_server_send_notify_invite(server, server->router->connection,
-                                  server->server_type == SILC_ROUTER ?
-                                  TRUE : FALSE, channel,
-                                  sender->id, add, del);
+  silc_server_send_notify_invite(server, SILC_PRIMARY_ROUTE(server),
+                                SILC_BROADCAST(server), channel,
+                                sender->id, add, del);
 
   /* Send command reply */
   tmp = silc_argument_get_arg_type(cmd->args, 1, &len);
@@ -2978,7 +2973,7 @@ SILC_SERVER_CMD_FUNC(info)
       silc_command_set_ident(cmd->payload, ++server->cmd_ident);
       tmpbuf = silc_command_payload_encode_payload(cmd->payload);
 
-      silc_server_packet_send(server, server->router->connection,
+      silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
                              SILC_PACKET_COMMAND, cmd->packet->flags,
                              tmpbuf->data, tmpbuf->len, TRUE);
 
@@ -3111,7 +3106,7 @@ SILC_SERVER_CMD_FUNC(stats)
     packet = silc_command_payload_encode_va(SILC_COMMAND_STATS, 
                                            ++server->cmd_ident, 1,
                                            1, idp->data, idp->len);
-    silc_server_packet_send(server, server->router->connection,
+    silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
                            SILC_PACKET_COMMAND, 0, packet->data,
                            packet->len, FALSE);
 
@@ -3456,10 +3451,8 @@ static void silc_server_command_join_channel(SilcServer server,
 
   if (!cmd->pending) {
     /* Send JOIN notify packet to our primary router */
-    if (!server->standalone)
-      silc_server_send_notify_join(server, server->router->connection,
-                                  server->server_type == SILC_ROUTER ?
-                                  TRUE : FALSE, channel, client->id);
+    silc_server_send_notify_join(server, SILC_PRIMARY_ROUTE(server),
+                                SILC_BROADCAST(server), channel, client->id);
 
     if (keyp)
       /* Distribute the channel key to all backup routers. */
@@ -3480,10 +3473,9 @@ static void silc_server_command_join_channel(SilcServer server,
   }
 
   /* Set CUMODE notify type to network */
-  if (founder && !server->standalone)
-    silc_server_send_notify_cumode(server, server->router->connection,
-                                  server->server_type == SILC_ROUTER ?
-                                  TRUE : FALSE, channel,
+  if (founder)
+    silc_server_send_notify_cumode(server, SILC_PRIMARY_ROUTE(server),
+                                  SILC_BROADCAST(server), channel,
                                   chl->mode, client->id, SILC_ID_CLIENT,
                                   client->id, channel->founder_key);
 
@@ -3611,7 +3603,7 @@ SILC_SERVER_CMD_FUNC(join)
          
          /* Send JOIN command to our router */
          silc_server_packet_send(server, (SilcSocketConnection)
-                                 server->router->connection,
+                                 SILC_PRIMARY_ROUTE(server),
                                  SILC_PACKET_COMMAND, cmd->packet->flags,
                                  tmpbuf->data, tmpbuf->len, TRUE);
          
@@ -3700,7 +3692,7 @@ SILC_SERVER_CMD_FUNC(join)
        /* Save channel passphrase, if user provided it successfully */
        unsigned char *pa;
        SilcUInt32 pa_len;
-       pa = silc_argument_get_arg_type(reply->args, 3, &pa_len);
+       pa = silc_argument_get_arg_type(cmd->args, 3, &pa_len);
        if (pa) {
          silc_free(channel->passphrase);
          channel->passphrase = silc_memdup(pa, pa_len);
@@ -3828,7 +3820,7 @@ SILC_SERVER_CMD_FUNC(motd)
       silc_command_set_ident(cmd->payload, ++server->cmd_ident);
       tmpbuf = silc_command_payload_encode_payload(cmd->payload);
 
-      silc_server_packet_send(server, server->router->connection,
+      silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
                              SILC_PACKET_COMMAND, cmd->packet->flags,
                              tmpbuf->data, tmpbuf->len, TRUE);
 
@@ -3929,9 +3921,9 @@ SILC_SERVER_CMD_FUNC(umode)
     client->mode = mask;
 
     /* Send UMODE change to primary router */
-    if (!server->standalone)
-      silc_server_send_notify_umode(server, server->router->connection, TRUE,
-                                   client->id, client->mode);
+    silc_server_send_notify_umode(server, SILC_PRIMARY_ROUTE(server),
+                                 SILC_BROADCAST(server), client->id,
+                                 client->mode);
 
     /* Check if anyone is watching this nickname */
     if (server->server_type == SILC_ROUTER)
@@ -3966,7 +3958,7 @@ SILC_SERVER_CMD_FUNC(cmode)
   SilcBuffer packet, cidp;
   unsigned char *tmp, *tmp_id, *tmp_mask;
   char *cipher = NULL, *hmac = NULL, *passphrase = NULL;
-  SilcUInt32 mode_mask = 0, tmp_len, tmp_len2;
+  SilcUInt32 mode_mask = 0, old_mask = 0, tmp_len, tmp_len2;
   SilcUInt16 ident = silc_command_get_ident(cmd->payload);
   bool set_mask = FALSE;
   SilcPublicKey founder_key = NULL;
@@ -3980,20 +3972,15 @@ SILC_SERVER_CMD_FUNC(cmode)
   if (!tmp_id) {
     silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
                                          SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
-    goto out;
+    silc_server_command_free(cmd);
+    return;
   }
   channel_id = silc_id_payload_parse_id(tmp_id, tmp_len2, NULL);
   if (!channel_id) {
     silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
                                          SILC_STATUS_ERR_NO_CHANNEL_ID, 0);
-    goto out;
-  }
-
-  /* Get the channel mode mask */
-  tmp_mask = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
-  if (tmp_mask) {
-    SILC_GET32_MSB(mode_mask, tmp_mask);
-    set_mask = TRUE;
+    silc_server_command_free(cmd);
+    return;
   }
 
   /* Get channel entry */
@@ -4006,9 +3993,19 @@ SILC_SERVER_CMD_FUNC(cmode)
       silc_server_command_send_status_reply(cmd, SILC_COMMAND_CMODE,
                                            SILC_STATUS_ERR_NO_SUCH_CHANNEL,
                                            0);
-      goto out;
+      silc_free(channel_id);
+      silc_server_command_free(cmd);
+      return;
     }
   }
+  old_mask = channel->mode;
+
+  /* Get the channel mode mask */
+  tmp_mask = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
+  if (tmp_mask) {
+    SILC_GET32_MSB(mode_mask, tmp_mask);
+    set_mask = TRUE;
+  }
 
   /* Check whether this client is on the channel */
   if (!silc_server_client_on_channel(client, channel, &chl)) {
@@ -4020,6 +4017,7 @@ SILC_SERVER_CMD_FUNC(cmode)
   /* Check that client has rights to change any requested channel modes */
   if (set_mask && !silc_server_check_cmode_rights(server, channel, chl, 
                                                  mode_mask)) {
+    SILC_LOG_DEBUG(("Client does not have rights to change mode"));
     silc_server_command_send_status_reply(
                             cmd, SILC_COMMAND_CMODE,
                             (!(chl->mode & SILC_CHANNEL_UMODE_CHANOP) ? 
@@ -4306,7 +4304,7 @@ SILC_SERVER_CMD_FUNC(cmode)
   }
 
   /* Finally, set the mode */
-  channel->mode = mode_mask;
+  old_mask = channel->mode = mode_mask;
 
   /* Send CMODE_CHANGE notify. */
   cidp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
@@ -4321,12 +4319,10 @@ SILC_SERVER_CMD_FUNC(cmode)
                                     fkey, fkey_len);
 
   /* Set CMODE notify type to network */
-  if (!server->standalone)
-    silc_server_send_notify_cmode(server, server->router->connection,
-                                 server->server_type == SILC_ROUTER ? 
-                                 TRUE : FALSE, channel,
-                                 mode_mask, client->id, SILC_ID_CLIENT,
-                                 cipher, hmac, passphrase, founder_key);
+  silc_server_send_notify_cmode(server, SILC_PRIMARY_ROUTE(server),
+                               SILC_BROADCAST(server), channel,
+                               mode_mask, client->id, SILC_ID_CLIENT,
+                               cipher, hmac, passphrase, founder_key);
 
   /* Send command reply to sender */
   packet = silc_command_reply_payload_encode_va(SILC_COMMAND_CMODE,
@@ -4335,11 +4331,12 @@ SILC_SERVER_CMD_FUNC(cmode)
                                                3, tmp_mask, 4);
   silc_server_packet_send(server, cmd->sock, SILC_PACKET_COMMAND_REPLY, 0, 
                          packet->data, packet->len, FALSE);
-    
+
   silc_buffer_free(packet);
   silc_buffer_free(cidp);
 
  out:
+  channel->mode = old_mask;
   silc_free(fkey);
   silc_free(channel_id);
   silc_server_command_free(cmd);
@@ -4680,13 +4677,10 @@ SILC_SERVER_CMD_FUNC(cumode)
                                       fkey, fkey_len);
 
     /* Set CUMODE notify type to network */
-    if (!server->standalone)
-      silc_server_send_notify_cumode(server, server->router->connection,
-                                    server->server_type == SILC_ROUTER ? 
-                                    TRUE : FALSE, channel,
-                                    target_mask, client->id, 
-                                    SILC_ID_CLIENT,
-                                    target_client->id, founder_key);
+    silc_server_send_notify_cumode(server, SILC_PRIMARY_ROUTE(server),
+                                  SILC_BROADCAST(server), channel,
+                                  target_mask, client->id, SILC_ID_CLIENT,
+                                  target_client->id, founder_key);
   }
 
   /* Send command reply to sender */
@@ -4827,6 +4821,11 @@ SILC_SERVER_CMD_FUNC(kick)
                                     idp->data, idp->len);
   silc_buffer_free(idp);
 
+  /* Send KICKED notify to primary route */
+  silc_server_send_notify_kicked(server, SILC_PRIMARY_ROUTE(server),
+                                SILC_BROADCAST(server), channel,
+                                target_client->id, client->id, comment);
+
   /* Remove the client from the channel. If the channel does not exist
      after removing the client then the client kicked itself off the channel
      and we don't have to send anything after that. */
@@ -4834,13 +4833,6 @@ SILC_SERVER_CMD_FUNC(kick)
                                           target_client, FALSE))
     goto out;
 
-  /* Send KICKED notify to primary route */
-  if (!server->standalone)
-    silc_server_send_notify_kicked(server, server->router->connection,
-                                  server->server_type == SILC_ROUTER ?
-                                  TRUE : FALSE, channel,
-                                  target_client->id, client->id, comment);
-
   if (!(channel->mode & SILC_CHANNEL_MODE_PRIVKEY)) {
     /* Re-generate channel key */
     if (!silc_server_create_channel_key(server, channel, 0))
@@ -4941,9 +4933,9 @@ SILC_SERVER_CMD_FUNC(oper)
     server->stat.server_ops++;
 
   /* Send UMODE change to primary router */
-  if (!server->standalone)
-    silc_server_send_notify_umode(server, server->router->connection, TRUE,
-                                 client->id, client->mode);
+  silc_server_send_notify_umode(server, SILC_PRIMARY_ROUTE(server),
+                               SILC_BROADCAST(server), client->id,
+                               client->mode);
 
   /* Check if anyone is watching this nickname */
   if (server->server_type == SILC_ROUTER)
@@ -4961,18 +4953,27 @@ SILC_SERVER_CMD_FUNC(oper)
 SILC_TASK_CALLBACK(silc_server_command_detach_cb)
 {
   QuitInternal q = (QuitInternal)context;
-  SilcClientEntry client = (SilcClientEntry)q->sock->user_data;
+  SilcClientID *client_id = (SilcClientID *)q->sock;
+  SilcClientEntry client;
+  SilcSocketConnection sock;
 
-  /* If there is pending outgoing data for the client then purge it
-     to the network before closing connection. */
-  silc_server_packet_queue_purge(q->server, q->sock);
+  client = silc_idlist_find_client_by_id(q->server->local_list, client_id,
+                                        TRUE, NULL);
+  if (client && client->connection) {
+    sock = client->connection;
 
-  /* Close the connection on our side */
-  client->router = NULL;
-  client->connection = NULL;
-  q->sock->user_data = NULL;
-  silc_server_close_connection(q->server, q->sock);
+    /* If there is pending outgoing data for the client then purge it
+       to the network before closing connection. */
+    silc_server_packet_queue_purge(q->server, sock);
 
+    /* Close the connection on our side */
+    client->router = NULL;
+    client->connection = NULL;
+    sock->user_data = NULL;
+    silc_server_close_connection(q->server, sock);
+  }
+
+  silc_free(client_id);
   silc_free(q);
 }
 
@@ -4983,11 +4984,12 @@ SILC_TASK_CALLBACK(silc_server_command_detach_timeout)
   SilcClientEntry client;
 
   client = silc_idlist_find_client_by_id(q->server->local_list, client_id,
-                                        FALSE, NULL);
-
-  if (client && client->mode & SILC_UMODE_DETACHED)
+                                        TRUE, NULL);
+  if (client && client->mode & SILC_UMODE_DETACHED) {
+    SILC_LOG_DEBUG(("Detach timeout"));
     silc_server_free_client_data(q->server, NULL, client, TRUE,
                                 "Detach timeout");
+  }
 
   silc_free(client_id);
   silc_free(q);
@@ -5014,15 +5016,19 @@ SILC_SERVER_CMD_FUNC(detach)
 
   SILC_SERVER_COMMAND_CHECK(SILC_COMMAND_DETACH, cmd, 0, 0);
 
+  /* Remove operator privileges, since the client may resume in some
+     other server which to it does not have operator privileges. */
+  client->mode &= ~(SILC_UMODE_SERVER_OPERATOR |
+                   SILC_UMODE_ROUTER_OPERATOR);
+
   /* Send the user mode notify to notify that client is detached */
   client->mode |= SILC_UMODE_DETACHED;
   client->data.status &= ~SILC_IDLIST_STATUS_RESUMED;
   client->last_command = 0;
   client->fast_command = 0;
-  if (!server->standalone)
-    silc_server_send_notify_umode(server, server->router->connection,
-                                 server->server_type == SILC_SERVER ?
-                                 FALSE : TRUE, client->id, client->mode);
+  silc_server_send_notify_umode(server, SILC_PRIMARY_ROUTE(server),
+                               SILC_BROADCAST(server), client->id,
+                               client->mode);
   server->stat.my_detached++;
 
   /* Check if anyone is watching this nickname */
@@ -5032,7 +5038,7 @@ SILC_SERVER_CMD_FUNC(detach)
 
   q = silc_calloc(1, sizeof(*q));
   q->server = server;
-  q->sock = cmd->sock;
+  q->sock = silc_id_dup(client->id, SILC_ID_CLIENT);
   silc_schedule_task_add(server->schedule, 0, silc_server_command_detach_cb,
                         q, 0, 200000, SILC_TASK_TIMEOUT, SILC_TASK_PRI_LOW);
 
@@ -5079,7 +5085,7 @@ SILC_SERVER_CMD_FUNC(watch)
       silc_command_set_ident(cmd->payload, ++server->cmd_ident);
       tmpbuf = silc_command_payload_encode_payload(cmd->payload);
 
-      silc_server_packet_send(server, server->router->connection,
+      silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
                              SILC_PACKET_COMMAND, cmd->packet->flags,
                              tmpbuf->data, tmpbuf->len, TRUE);
 
@@ -5318,9 +5324,9 @@ SILC_SERVER_CMD_FUNC(silcoper)
     server->stat.router_ops++;
 
   /* Send UMODE change to primary router */
-  if (!server->standalone)
-    silc_server_send_notify_umode(server, server->router->connection, TRUE,
-                                 client->id, client->mode);
+  silc_server_send_notify_umode(server, SILC_PRIMARY_ROUTE(server),
+                               SILC_BROADCAST(server), client->id,
+                               client->mode);
 
   /* Check if anyone is watching this nickname */
   if (server->server_type == SILC_ROUTER)
@@ -5436,10 +5442,9 @@ SILC_SERVER_CMD_FUNC(ban)
   }
 
   /* Send the BAN notify type to our primary router. */
-  if (!server->standalone && (add || del))
-    silc_server_send_notify_ban(server, server->router->connection,
-                               server->server_type == SILC_ROUTER ?
-                               TRUE : FALSE, channel, add, del);
+  if (add || del)
+    silc_server_send_notify_ban(server, SILC_PRIMARY_ROUTE(server),
+                               SILC_BROADCAST(server), channel, add, del);
 
   /* Send the reply back to the client */
   packet = 
@@ -5509,10 +5514,8 @@ SILC_SERVER_CMD_FUNC(leave)
 
   /* Notify routers that they should remove this client from their list
      of clients on the channel. Send LEAVE notify type. */
-  if (!server->standalone)
-    silc_server_send_notify_leave(server, server->router->connection,
-                                 server->server_type == SILC_ROUTER ?
-                                 TRUE : FALSE, channel, id_entry->id);
+  silc_server_send_notify_leave(server, SILC_PRIMARY_ROUTE(server),
+                               SILC_BROADCAST(server), channel, id_entry->id);
 
   silc_server_command_send_status_data(cmd, SILC_COMMAND_LEAVE,
                                       SILC_STATUS_OK, 0, 2, tmp, len);
@@ -5601,7 +5604,7 @@ SILC_SERVER_CMD_FUNC(users)
       tmpbuf = silc_command_payload_encode_payload(cmd->payload);
       
       /* Send USERS command */
-      silc_server_packet_send(server, server->router->connection,
+      silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
                              SILC_PACKET_COMMAND, cmd->packet->flags,
                              tmpbuf->data, tmpbuf->len, TRUE);
       
@@ -5639,7 +5642,8 @@ SILC_SERVER_CMD_FUNC(users)
        && !silc_server_client_on_channel(cmd->sock->user_data, channel, 
                                          NULL)) {
       silc_server_command_send_status_reply(cmd, SILC_COMMAND_USERS,
-                                           SILC_STATUS_ERR_NOT_ON_CHANNEL, 0);
+                                           SILC_STATUS_ERR_NO_SUCH_CHANNEL,
+                                           0);
       goto out;
     }
   }
@@ -5814,7 +5818,7 @@ SILC_SERVER_CMD_FUNC(getkey)
       silc_command_set_ident(cmd->payload, ++server->cmd_ident);
       tmpbuf = silc_command_payload_encode_payload(cmd->payload);
       
-      silc_server_packet_send(server, server->router->connection,
+      silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
                              SILC_PACKET_COMMAND, cmd->packet->flags,
                              tmpbuf->data, tmpbuf->len, TRUE);