X-Git-Url: http://git.silcnet.org/gitweb/?p=silc.git;a=blobdiff_plain;f=lib%2Fsilcclient%2Fcommand_reply.c;h=ede887535fdcdc97b6219d0c8d73f11b45867021;hp=cf2743af130c4a44ccbb5c8310213a831a0c4e4d;hb=805fddcf6431e784f9f77114782a90c9d12f9cbe;hpb=79284c6f2e3df2de326793b1f9ff038ad88f9e0f

diff --git a/lib/silcclient/command_reply.c b/lib/silcclient/command_reply.c
index cf2743af..ede88753 100644
--- a/lib/silcclient/command_reply.c
+++ b/lib/silcclient/command_reply.c
@@ -118,6 +118,7 @@ static void silc_client_command_process_error(SilcClientCommandContext cmd,
     client_entry = silc_client_get_client_by_id(client, conn, &id.u.client_id);
     if (client_entry) {
       silc_client_remove_from_channels(client, conn, client_entry);
+      client_entry->internal.valid = FALSE;
       silc_client_del_client(client, conn, client_entry);
       silc_client_unref_client(client, conn, client_entry);
     }
@@ -947,6 +948,7 @@ SILC_FSM_STATE(silc_client_command_reply_kill)
   /* Remove the client */
   if (client_entry) {
     silc_client_remove_from_channels(client, conn, client_entry);
+    client_entry->internal.valid = FALSE;
     silc_client_del_client(client, conn, client_entry);
     silc_client_unref_client(client, conn, client_entry);
   }
@@ -1814,6 +1816,8 @@ SILC_FSM_STATE(silc_client_command_reply_leave)
   SilcCommandPayload payload = state_context;
   SilcArgumentPayload args = silc_command_get_args(payload);
   SilcChannelEntry channel;
+  SilcCipher key;
+  SilcHmac hmac;
   SilcID id;
 
   /* Sanity checks */
@@ -1839,6 +1843,32 @@ SILC_FSM_STATE(silc_client_command_reply_leave)
   /* Notify application */
   silc_client_command_callback(cmd, channel);
 
+  /* Remove old keys and stuff.  The channel may remain even after leaving
+     but we want to remove these always. */
+  if (channel->internal.send_key)
+    silc_cipher_free(channel->internal.send_key);
+  channel->internal.send_key = NULL;
+  if (channel->internal.receive_key)
+    silc_cipher_free(channel->internal.receive_key);
+  channel->internal.receive_key = NULL;
+  if (channel->internal.hmac)
+    silc_hmac_free(channel->internal.hmac);
+  channel->internal.hmac = NULL;
+  if (channel->internal.old_channel_keys) {
+    silc_dlist_start(channel->internal.old_channel_keys);
+    while ((key = silc_dlist_get(channel->internal.old_channel_keys)))
+      silc_cipher_free(key);
+    silc_dlist_uninit(channel->internal.old_channel_keys);
+  }
+  channel->internal.old_channel_keys = NULL;
+  if (channel->internal.old_hmacs) {
+    silc_dlist_start(channel->internal.old_hmacs);
+    while ((hmac = silc_dlist_get(channel->internal.old_hmacs)))
+      silc_hmac_free(hmac);
+    silc_dlist_uninit(channel->internal.old_hmacs);
+  }
+  channel->internal.old_hmacs = NULL;
+
   /* Now delete the channel. */
   silc_client_empty_channel(client, conn, channel);
   silc_client_del_channel(client, conn, channel);