Send NO_SUCH_CHANNEL error in USERS for secret and private
[silc.git] / apps / silcd / command.c
index 992402a8bf98a0f67e174c89944d8abaee0a9fbc..6d0dcd8ed833eb2f40f40a3a026c5fd71b7a71e5 100644 (file)
@@ -2440,24 +2440,26 @@ SILC_SERVER_CMD_FUNC(topic)
       goto out;
     }
 
-    /* Set the topic for channel */
-    silc_free(channel->topic);
-    channel->topic = strdup(tmp);
-
-    /* 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);
+    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 */
+      silc_server_send_notify_topic_set(server, SILC_PRIMARY_ROUTE(server),
+                                       SILC_BROADCAST(server), channel,
+                                       client->id, SILC_ID_CLIENT,
+                                       channel->topic);
+
+      /* 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 */
@@ -3690,7 +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);
@@ -3956,7 +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;
@@ -3970,20 +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 */
@@ -3996,9 +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)) {
@@ -4010,6 +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) ? 
@@ -4296,7 +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);
@@ -4323,11 +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);
@@ -4812,6 +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. */
@@ -4819,11 +4833,6 @@ SILC_SERVER_CMD_FUNC(kick)
                                           target_client, FALSE))
     goto out;
 
-  /* 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);
-
   if (!(channel->mode & SILC_CHANNEL_MODE_PRIVKEY)) {
     /* Re-generate channel key */
     if (!silc_server_create_channel_key(server, channel, 0))
@@ -5007,6 +5016,11 @@ 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;
@@ -5628,7 +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;
     }
   }