X-Git-Url: http://git.silcnet.org/gitweb/?a=blobdiff_plain;f=lib%2Fsilcclient%2Fcommand.c;h=5257bf450ef6f306f11eec2a37932d7a4c117b89;hb=487b9263317ab859b530cdda115984a970ca04eb;hp=9f068e13acc6899edf7c6baa8e300cf8566ed59c;hpb=622dbba14878964ca76301bdf9c8f59f3312fbc7;p=silc.git

diff --git a/lib/silcclient/command.c b/lib/silcclient/command.c
index 9f068e13..5257bf45 100644
--- a/lib/silcclient/command.c
+++ b/lib/silcclient/command.c
@@ -57,12 +57,13 @@ SilcClientCommand silc_command_list[] =
 		  SILC_CF_LAG | SILC_CF_REG | SILC_CF_SILC_OPER, 3),
   SILC_CLIENT_CMD(leave, LEAVE, "LEAVE", SILC_CF_LAG | SILC_CF_REG, 2),
   SILC_CLIENT_CMD(users, USERS, "USERS", SILC_CF_LAG | SILC_CF_REG, 2),
+  SILC_CLIENT_CMD(getkey, GETKEY, "GETKEY", SILC_CF_LAG | SILC_CF_REG, 2),
 
   { NULL, 0, NULL, 0, 0 },
 };
 
 #define SILC_NOT_CONNECTED(x, c) \
-  x->ops->say((x), (c), \
+  x->ops->say((x), (c), SILC_CLIENT_MESSAGE_ERROR, \
 	   "You are not connected to a server, use /SERVER to connect");
 
 /* Command operation that is called at the end of all commands. 
@@ -78,8 +79,8 @@ SilcClientCommand silc_command_list[] =
    encoded into correct form and in correct order. */
 
 void silc_client_send_command(SilcClient client, SilcClientConnection conn,
-			      SilcCommand command, unsigned short ident,
-			      unsigned int argc, ...)
+			      SilcCommand command, uint16 ident,
+			      uint32 argc, ...)
 {
   SilcBuffer packet;
   va_list ap;
@@ -116,7 +117,7 @@ SilcClientCommand *silc_client_command_find(const char *name)
 
 void silc_client_command_pending(SilcClientConnection conn,
 				 SilcCommand reply_cmd,
-				 unsigned short ident,
+				 uint16 ident,
 				 SilcClientPendingDestructor destructor,
 				 SilcCommandCb callback,
 				 void *context)
@@ -136,7 +137,7 @@ void silc_client_command_pending(SilcClientConnection conn,
 
 void silc_client_command_pending_del(SilcClientConnection conn,
 				     SilcCommand reply_cmd,
-				     unsigned short ident)
+				     uint16 ident)
 {
   SilcClientCommandPending *r;
 
@@ -155,7 +156,7 @@ void silc_client_command_pending_del(SilcClientConnection conn,
 int silc_client_command_pending_check(SilcClientConnection conn,
 				      SilcClientCommandReplyContext ctx,
 				      SilcCommand command, 
-				      unsigned short ident)
+				      uint16 ident)
 {
   SilcClientCommandPending *r;
 
@@ -194,6 +195,8 @@ void silc_client_command_free(SilcClientCommandContext ctx)
 
     for (i = 0; i < ctx->argc; i++)
       silc_free(ctx->argv[i]);
+    silc_free(ctx->argv_lens);
+    silc_free(ctx->argv_types);
     silc_free(ctx);
   }
 }
@@ -216,16 +219,6 @@ static void silc_client_command_destructor(void *context)
   silc_client_command_free((SilcClientCommandContext)context);
 }
 
-/* silc_client_get_client completion callback */
-void silc_client_command_completion(SilcClient client,
-				    SilcClientConnection conn,
-				    SilcClientEntry clients,
-				    unsigned int clients_count,
-				    void *context)
-{
-
-}
-
 /* Command WHOIS. This command is used to query information about 
    specific user. */
 
@@ -241,10 +234,13 @@ SILC_CLIENT_CMD_FUNC(whois)
     goto out;
   }
 
-  if (cmd->argc < 2 || cmd->argc > 3) {
-    cmd->client->ops->say(cmd->client, conn, 
-	     "Usage: /WHOIS <nickname>[@<server>] [<count>]");
-    COMMAND_ERROR;
+  /* Given without arguments fetches client's own information */
+  if (cmd->argc < 2) {
+    buffer = silc_id_payload_encode(cmd->conn->local_id, SILC_ID_CLIENT);
+    silc_client_send_command(cmd->client, cmd->conn, SILC_COMMAND_WHOIS, 
+			     ++conn->cmd_ident,
+			     1, 3, buffer->data, buffer->len);
+    silc_buffer_free(buffer);
     goto out;
   }
 
@@ -283,7 +279,7 @@ SILC_CLIENT_CMD_FUNC(whowas)
   }
 
   if (cmd->argc < 2 || cmd->argc > 3) {
-    cmd->client->ops->say(cmd->client, conn, 
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
 	     "Usage: /WHOWAS <nickname>[@<server>] [<count>]");
     COMMAND_ERROR;
     goto out;
@@ -324,23 +320,27 @@ SILC_CLIENT_CMD_FUNC(identify)
   }
 
   if (cmd->argc < 2 || cmd->argc > 3) {
-    cmd->client->ops->say(cmd->client, conn,
-	     "Usage: /IDENTIFY <nickname>[@<server>] [<count>]");
     COMMAND_ERROR;
     goto out;
   }
 
-  buffer = silc_command_payload_encode(SILC_COMMAND_IDENTIFY,
-				       cmd->argc - 1, ++cmd->argv,
-				       ++cmd->argv_lens, ++cmd->argv_types,
-				       ++conn->cmd_ident);
+  if (cmd->argc == 2)
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_IDENTIFY, 
+					    ++conn->cmd_ident, 1,
+					    1, cmd->argv[1],
+					    cmd->argv_lens[1]);
+  else
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_IDENTIFY, 
+					    ++conn->cmd_ident, 2,
+					    1, cmd->argv[1],
+					    cmd->argv_lens[1],
+					    4, cmd->argv[2],
+					    cmd->argv_lens[2]);
+
   silc_client_packet_send(cmd->client, cmd->conn->sock,
 			  SILC_PACKET_COMMAND, NULL, 0, NULL, NULL,
 			  buffer->data, buffer->len, TRUE);
   silc_buffer_free(buffer);
-  cmd->argv--;
-  cmd->argv_lens--;
-  cmd->argv_types--;
 
   /* Notify application */
   COMMAND;
@@ -349,6 +349,36 @@ SILC_CLIENT_CMD_FUNC(identify)
   silc_client_command_free(cmd);
 }
 
+/* Pending callbcak that will be called after the NICK command was
+   replied by the server.  This sets the nickname if there were no
+   errors. */
+
+SILC_CLIENT_CMD_FUNC(nick_change)
+{
+  SilcClientCommandContext cmd = (SilcClientCommandContext)context;
+  SilcClientConnection conn = cmd->conn;
+  SilcClientCommandReplyContext reply = 
+    (SilcClientCommandReplyContext)context2;
+  SilcCommandStatus status;
+
+  SILC_GET16_MSB(status, silc_argument_get_arg_type(reply->args, 1, NULL));
+  if (status == SILC_STATUS_OK) {
+    /* Set the nickname */
+    if (conn->nickname)
+      silc_free(conn->nickname);
+    conn->nickname = strdup(cmd->argv[1]);
+    conn->local_entry->nickname = conn->nickname;
+    silc_idcache_del_by_context(conn->client_cache, conn->local_entry);
+    silc_idcache_add(conn->client_cache, strdup(cmd->argv[1]), 
+		     conn->local_entry->id, conn->local_entry, FALSE);
+    COMMAND;
+  } else {
+    COMMAND_ERROR;
+  }
+
+  silc_client_command_free(cmd);
+}
+
 /* Command NICK. Shows current nickname/sets new nickname on current
    window. */
 
@@ -364,43 +394,54 @@ SILC_CLIENT_CMD_FUNC(nick)
     goto out;
   }
 
+  if (cmd->argc < 2) {
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			  "Usage: /NICK <nickname>");
+    COMMAND_ERROR;
+    goto out;
+  }
+
   if (!strcmp(conn->nickname, cmd->argv[1]))
     goto out;
 
   /* Show current nickname */
   if (cmd->argc < 2) {
     if (cmd->conn) {
-      cmd->client->ops->say(cmd->client, conn, 
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
 			    "Your nickname is %s on server %s", 
 			    conn->nickname, conn->remote_host);
     } else {
-      cmd->client->ops->say(cmd->client, conn, 
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
 			    "Your nickname is %s", conn->nickname);
     }
 
-    /* XXX Notify application */
     COMMAND;
     goto out;
   }
 
-  /* Set new nickname */
-  buffer = silc_command_payload_encode(SILC_COMMAND_NICK,
-				       cmd->argc - 1, ++cmd->argv,
-				       ++cmd->argv_lens, ++cmd->argv_types,
+  if (cmd->argv_lens[1] > 128)
+    cmd->argv_lens[1] = 128;
+
+  /* Send the NICK command */
+  buffer = silc_command_payload_encode(SILC_COMMAND_NICK, 1,
+				       &cmd->argv[1],
+				       &cmd->argv_lens[1], 
+				       &cmd->argv_types[1],
 				       ++cmd->conn->cmd_ident);
   silc_client_packet_send(cmd->client, cmd->conn->sock,
 			  SILC_PACKET_COMMAND, NULL, 0, NULL, NULL,
 			  buffer->data, buffer->len, TRUE);
   silc_buffer_free(buffer);
-  cmd->argv--;
-  cmd->argv_lens--;
-  cmd->argv_types--;
-  if (conn->nickname)
-    silc_free(conn->nickname);
-  conn->nickname = strdup(cmd->argv[1]);
 
-  /* Notify application */
-  COMMAND;
+  /* Register pending callback that will actually set the new nickname
+     if there were no errors returned by the server. */
+  silc_client_command_pending(conn, SILC_COMMAND_NICK, 
+			      cmd->conn->cmd_ident,
+			      silc_client_command_destructor,
+			      silc_client_command_nick_change,
+			      silc_client_command_dup(cmd));
+  cmd->pending = TRUE;
+  return;
 
  out:
   silc_client_command_free(cmd);
@@ -427,7 +468,7 @@ SILC_CLIENT_CMD_FUNC(list)
     name = cmd->argv[1];
 
     /* Get the Channel ID of the channel */
-    if (silc_idcache_find_by_data_one(conn->channel_cache, name, &id_cache)) {
+    if (silc_idcache_find_by_name_one(conn->channel_cache, name, &id_cache)) {
       channel = (SilcChannelEntry)id_cache->context;
       idp = silc_id_payload_encode(id_cache->id, SILC_ID_CHANNEL);
     }
@@ -473,7 +514,7 @@ SILC_CLIENT_CMD_FUNC(topic)
   }
 
   if (cmd->argc < 2 || cmd->argc > 3) {
-    cmd->client->ops->say(cmd->client, conn,
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
 			  "Usage: /TOPIC <channel> [<topic>]");
     COMMAND_ERROR;
     goto out;
@@ -481,7 +522,8 @@ SILC_CLIENT_CMD_FUNC(topic)
 
   if (cmd->argv[1][0] == '*') {
     if (!conn->current_channel) {
-      cmd->client->ops->say(cmd->client, conn, "You are not on any channel");
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			    "You are not on any channel");
       COMMAND_ERROR;
       goto out;
     }
@@ -491,14 +533,16 @@ SILC_CLIENT_CMD_FUNC(topic)
   }
 
   if (!conn->current_channel) {
-    cmd->client->ops->say(cmd->client, conn, "You are not on that channel");
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			  "You are not on that channel");
     COMMAND_ERROR;
     goto out;
   }
 
   /* Get the Channel ID of the channel */
-  if (!silc_idcache_find_by_data_one(conn->channel_cache, name, &id_cache)) {
-    cmd->client->ops->say(cmd->client, conn, "You are not on that channel");
+  if (!silc_idcache_find_by_name_one(conn->channel_cache, name, &id_cache)) {
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			  "You are not on that channel");
     COMMAND_ERROR;
     goto out;
   }
@@ -508,14 +552,15 @@ SILC_CLIENT_CMD_FUNC(topic)
   /* Send TOPIC command to the server */
   idp = silc_id_payload_encode(id_cache->id, SILC_ID_CHANNEL);
   if (cmd->argc > 2)
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_TOPIC, 0, 2, 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_TOPIC, 
+					    ++conn->cmd_ident, 2, 
 					    1, idp->data, idp->len,
 					    2, cmd->argv[2], 
 					    strlen(cmd->argv[2]));
   else
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_TOPIC, 1, 
-					    1, idp->data, idp->len,
-					    0);
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_TOPIC, 
+					    ++conn->cmd_ident, 1,
+					    1, idp->data, idp->len);
   silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
 			  0, NULL, NULL, buffer->data, buffer->len, TRUE);
   silc_buffer_free(buffer);
@@ -539,8 +584,8 @@ SILC_CLIENT_CMD_FUNC(invite)
   SilcClientEntry client_entry = NULL;
   SilcChannelEntry channel;
   SilcBuffer buffer, clidp, chidp;
-  unsigned int num = 0, type = 0;
-  char *nickname = NULL, *server = NULL, *name;
+  uint32 type = 0;
+  char *nickname = NULL, *name;
   char *invite = NULL;
 
   if (!cmd->conn) {
@@ -550,7 +595,7 @@ SILC_CLIENT_CMD_FUNC(invite)
   }
 
   if (cmd->argc < 2) {
-    cmd->client->ops->say(cmd->client, conn,
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
 		   "Usage: /INVITE <channel> [<nickname>[@server>]"
 		   "[+|-[<nickname>[@<server>[!<username>[@hostname>]]]]]");
     COMMAND_ERROR;
@@ -559,7 +604,8 @@ SILC_CLIENT_CMD_FUNC(invite)
 
   if (cmd->argv[1][0] == '*') {
     if (!conn->current_channel) {
-      cmd->client->ops->say(cmd->client, conn, "You are not on any channel");
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			    "You are not on any channel");
       COMMAND_ERROR;
       goto out;
     }
@@ -570,7 +616,8 @@ SILC_CLIENT_CMD_FUNC(invite)
 
     channel = silc_client_get_channel(cmd->client, conn, name);
     if (!channel) {
-      cmd->client->ops->say(cmd->client, conn, "You are on that channel");
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			    "You are on that channel");
       COMMAND_ERROR;
       goto out;
     }
@@ -579,25 +626,20 @@ SILC_CLIENT_CMD_FUNC(invite)
   /* Parse the typed nickname. */
   if (cmd->argc == 3) {
     if (cmd->argv[2][0] != '+' && cmd->argv[2][0] != '-') {
-      if (!silc_parse_nickname(cmd->argv[2], &nickname, &server, &num)) {
-	cmd->client->ops->say(cmd->client, conn, "Bad nickname");
-	COMMAND_ERROR;
-	goto out;
-      }
-      
+      if (client->params->nickname_parse)
+	client->params->nickname_parse(cmd->argv[2], &nickname);
+      else
+	nickname = strdup(cmd->argv[2]);
+
       /* Find client entry */
       client_entry = silc_idlist_get_client(client, conn, nickname, 
-					    server, num, TRUE);
+					    cmd->argv[2], TRUE);
       if (!client_entry) {
-	if (nickname)
-	  silc_free(nickname);
-	if (server)
-	  silc_free(server);
-	
 	if (cmd->pending) {
 	  COMMAND_ERROR;
 	  goto out;
 	}
+	silc_free(nickname);
       
 	/* Client entry not found, it was requested thus mark this to be
 	   pending command. */
@@ -609,10 +651,6 @@ SILC_CLIENT_CMD_FUNC(invite)
 	cmd->pending = 1;
 	return;
       }
-      
-      cmd->client->ops->say(cmd->client, conn, 
-			    "Inviting %s to channel %s", cmd->argv[2], 
-			    channel->channel_name);
     } else {
       invite = cmd->argv[2];
       invite++;
@@ -651,10 +689,7 @@ SILC_CLIENT_CMD_FUNC(invite)
   COMMAND;
 
  out:
-  if (nickname)
-    silc_free(nickname);
-  if (server)
-    silc_free(server);
+  silc_free(nickname);
   silc_client_command_free(cmd);
 }
 
@@ -704,10 +739,13 @@ SILC_CLIENT_CMD_FUNC(quit)
   q->client = cmd->client;
   q->conn = cmd->conn;
 
+  /* Sleep for a while */
+  sleep(2);
+
   /* We quit the connection with little timeout */
-  silc_task_register(cmd->client->timeout_queue, cmd->conn->sock->sock,
-		     silc_client_command_quit_cb, (void *)q,
-		     1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
+  silc_schedule_task_add(cmd->client->schedule, cmd->conn->sock->sock,
+			 silc_client_command_quit_cb, (void *)q,
+			 1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
 
   /* Notify application */
   COMMAND;
@@ -716,17 +754,67 @@ SILC_CLIENT_CMD_FUNC(quit)
   silc_client_command_free(cmd);
 }
 
+/* Timeout callback to remove the killed client from cache */
+
+SILC_TASK_CALLBACK(silc_client_command_kill_remove_later)
+{
+  SilcClientCommandContext cmd = (SilcClientCommandContext)context;
+  SilcClient client = cmd->client;
+  SilcClientConnection conn = cmd->conn;
+  SilcClientEntry target;
+  char *nickname = NULL;
+  
+  /* Parse the typed nickname. */
+  if (client->params->nickname_parse)
+    client->params->nickname_parse(cmd->argv[1], &nickname);
+  else
+    nickname = strdup(cmd->argv[1]);
+
+  /* Get the target client */
+  target = silc_idlist_get_client(cmd->client, conn, nickname, 
+				  cmd->argv[1], FALSE);
+  if (target) {
+    silc_client_remove_from_channels(client, conn, target);
+    silc_client_del_client(client, conn, target);
+  }
+
+  silc_free(nickname);
+  silc_client_command_free(cmd);
+}
+
+/* Kill command's pending command callback to actually remove the killed
+   client from our local cache. */
+
+SILC_CLIENT_CMD_FUNC(kill_remove)
+{
+  SilcClientCommandContext cmd = (SilcClientCommandContext)context;
+  SilcClientCommandReplyContext reply = 
+    (SilcClientCommandReplyContext)context2;
+  SilcCommandStatus status;
+
+  SILC_GET16_MSB(status, silc_argument_get_arg_type(reply->args, 1, NULL));
+  if (status == SILC_STATUS_OK) {
+    /* Remove with timeout */
+    silc_schedule_task_add(cmd->client->schedule, cmd->conn->sock->sock,
+			   silc_client_command_kill_remove_later, context,
+			   1, 0, SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
+    return;
+  }
+
+  silc_client_command_free(cmd);
+}
+
 /* Command KILL. Router operator can use this command to remove an client
    fromthe SILC Network. */
 
 SILC_CLIENT_CMD_FUNC(kill)
 {
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
+  SilcClient client = cmd->client;
   SilcClientConnection conn = cmd->conn;
   SilcBuffer buffer, idp;
   SilcClientEntry target;
-  unsigned int num = 0;
-  char *nickname = NULL, *server = NULL;
+  char *nickname = NULL;
 
   if (!cmd->conn) {
     SILC_NOT_CONNECTED(cmd->client, cmd->conn);
@@ -735,32 +823,29 @@ SILC_CLIENT_CMD_FUNC(kill)
   }
 
   if (cmd->argc < 2) {
-    cmd->client->ops->say(cmd->client, conn, 
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
 			  "Usage: /KILL <nickname> [<comment>]");
     COMMAND_ERROR;
     goto out;
   }
 
   /* Parse the typed nickname. */
-  if (!silc_parse_nickname(cmd->argv[1], &nickname, &server, &num)) {
-    cmd->client->ops->say(cmd->client, conn, "Bad nickname");
-    COMMAND_ERROR;
-    goto out;
-  }
+  if (client->params->nickname_parse)
+    client->params->nickname_parse(cmd->argv[1], &nickname);
+  else
+    nickname = strdup(cmd->argv[1]);
 
   /* Get the target client */
   target = silc_idlist_get_client(cmd->client, conn, nickname, 
-				  server, num, TRUE);
+				  cmd->argv[1], TRUE);
   if (!target) {
-    silc_free(nickname);
-    if (server)
-      silc_free(server);
-
     if (cmd->pending) {
       COMMAND_ERROR;
       goto out;
     }
 
+    silc_free(nickname);
+
     /* Client entry not found, it was requested thus mark this to be
        pending command. */
     silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, 
@@ -775,10 +860,12 @@ SILC_CLIENT_CMD_FUNC(kill)
   /* Send the KILL command to the server */
   idp = silc_id_payload_encode(target->id, SILC_ID_CLIENT);
   if (cmd->argc == 2)
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_KILL, 0, 1, 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_KILL, 
+					    ++conn->cmd_ident, 1, 
 					    1, idp->data, idp->len);
   else
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_KILL, 0, 2, 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_KILL, 
+					    ++conn->cmd_ident, 2, 
 					    1, idp->data, idp->len,
 					    2, cmd->argv[2], 
 					    strlen(cmd->argv[2]));
@@ -790,11 +877,14 @@ SILC_CLIENT_CMD_FUNC(kill)
   /* Notify application */
   COMMAND;
 
+  /* Register a pending callback that will actually remove the killed
+     client from our cache. */
+  silc_client_command_pending(conn, SILC_COMMAND_KILL, conn->cmd_ident,
+			      NULL, silc_client_command_kill_remove,
+			      silc_client_command_dup(cmd));
+
  out:
-  if (nickname)
-    silc_free(nickname);
-  if (server)
-    silc_free(server);
+  silc_free(nickname);
   silc_client_command_free(cmd);
 }
 
@@ -847,7 +937,6 @@ SILC_CLIENT_CMD_FUNC(ping)
   SilcBuffer buffer;
   void *id;
   int i;
-  char *name = NULL;
 
   if (!cmd->conn) {
     SILC_NOT_CONNECTED(cmd->client, cmd->conn);
@@ -855,13 +944,11 @@ SILC_CLIENT_CMD_FUNC(ping)
     goto out;
   }
 
-  if (cmd->argc == 1 || !strcmp(cmd->argv[1], conn->remote_host))
-    name = strdup(conn->remote_host);
-
   /* Send the command */
   buffer = silc_command_payload_encode_va(SILC_COMMAND_PING, 0, 1, 
 					  1, conn->remote_id_data, 
-					  SILC_ID_SERVER_LEN);
+					  silc_id_get_len(conn->remote_id,
+							  SILC_ID_SERVER));
   silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
 			  0, NULL, NULL, buffer->data, buffer->len, TRUE);
   silc_buffer_free(buffer);
@@ -879,8 +966,7 @@ SILC_CLIENT_CMD_FUNC(ping)
     if (conn->ping[i].dest_id == NULL) {
       conn->ping[i].start_time = time(NULL);
       conn->ping[i].dest_id = id;
-      conn->ping[i].dest_name = name;
-      conn->ping_count++;
+      conn->ping[i].dest_name = strdup(conn->remote_host);
       break;
     }
   }
@@ -889,7 +975,7 @@ SILC_CLIENT_CMD_FUNC(ping)
     conn->ping = silc_realloc(conn->ping, sizeof(*conn->ping) * (i + 1));
     conn->ping[i].start_time = time(NULL);
     conn->ping[i].dest_id = id;
-    conn->ping[i].dest_name = name;
+    conn->ping[i].dest_name = strdup(conn->remote_host);
     conn->ping_count++;
   }
   
@@ -900,10 +986,6 @@ SILC_CLIENT_CMD_FUNC(ping)
   silc_client_command_free(cmd);
 }
 
-SILC_CLIENT_CMD_FUNC(notice)
-{
-}
-
 /* Command JOIN. Joins to a channel. */
 
 SILC_CLIENT_CMD_FUNC(join)
@@ -919,27 +1001,19 @@ SILC_CLIENT_CMD_FUNC(join)
     goto out;
   }
 
-  if (cmd->argc < 2) {
-    /* Show channels currently joined to */
-
-    goto out;
-  }
-
   /* See if we have joined to the requested channel already */
-  if (silc_idcache_find_by_data_one(conn->channel_cache, cmd->argv[1],
+  if (silc_idcache_find_by_name_one(conn->channel_cache, cmd->argv[1],
 				    &id_cache)) {
-    cmd->client->ops->say(cmd->client, conn, 
-			  "You are talking to channel %s", cmd->argv[1]);
-    conn->current_channel = (SilcChannelEntry)id_cache->context;
-#if 0
-    cmd->client->screen->bottom_line->channel = cmd->argv[1];
-    silc_screen_print_bottom_line(cmd->client->screen, 0);
-#endif
-    goto out;
+    SilcChannelEntry channel = (SilcChannelEntry)id_cache->context;
+    if (channel->on_channel)
+      goto out;
   }
 
   idp = silc_id_payload_encode(conn->local_id, SILC_ID_CLIENT);
 
+  if (cmd->argv_lens[1] > 256)
+    cmd->argv_lens[1] = 256;
+
   /* Send JOIN command to the server */
   if (cmd->argc == 2)
     buffer = 
@@ -988,7 +1062,7 @@ SILC_CLIENT_CMD_FUNC(motd)
   }
 
   if (cmd->argc < 1 || cmd->argc > 2) {
-    cmd->client->ops->say(cmd->client, conn,
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
 			  "Usage: /MOTD [<server>]");
     COMMAND_ERROR;
     goto out;
@@ -1023,7 +1097,7 @@ SILC_CLIENT_CMD_FUNC(umode)
   SilcClientConnection conn = cmd->conn;
   SilcBuffer buffer, idp;
   unsigned char *cp, modebuf[4];
-  unsigned int mode, add, len;
+  uint32 mode, add, len;
   int i;
 
   if (!cmd->conn) {
@@ -1033,7 +1107,7 @@ SILC_CLIENT_CMD_FUNC(umode)
   }
 
   if (cmd->argc < 2) {
-    cmd->client->ops->say(cmd->client, conn, 
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
 	       	  "Usage: /UMODE +|-<modes>");
     COMMAND_ERROR;
     goto out;
@@ -1118,7 +1192,7 @@ SILC_CLIENT_CMD_FUNC(cmode)
   SilcChannelEntry channel;
   SilcBuffer buffer, chidp, auth = NULL;
   unsigned char *name, *cp, modebuf[4], tmp[4], *arg = NULL;
-  unsigned int mode, add, type, len, arg_len = 0;
+  uint32 mode, add, type, len, arg_len = 0;
   int i;
 
   if (!cmd->conn) {
@@ -1128,7 +1202,7 @@ SILC_CLIENT_CMD_FUNC(cmode)
   }
 
   if (cmd->argc < 3) {
-    cmd->client->ops->say(cmd->client, conn, 
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
 	       	  "Usage: /CMODE <channel> +|-<modes> [{ <arguments>}]");
     COMMAND_ERROR;
     goto out;
@@ -1136,7 +1210,8 @@ SILC_CLIENT_CMD_FUNC(cmode)
 
   if (cmd->argv[1][0] == '*') {
     if (!conn->current_channel) {
-      cmd->client->ops->say(cmd->client, conn, "You are not on any channel");
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			    "You are not on any channel");
       COMMAND_ERROR;
       goto out;
     }
@@ -1147,7 +1222,8 @@ SILC_CLIENT_CMD_FUNC(cmode)
 
     channel = silc_client_get_channel(cmd->client, conn, name);
     if (!channel) {
-      cmd->client->ops->say(cmd->client, conn, "You are on that channel");
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			    "You are on that channel");
       COMMAND_ERROR;
       goto out;
     }
@@ -1204,6 +1280,12 @@ SILC_CLIENT_CMD_FUNC(cmode)
 	int ll;
 	mode |= SILC_CHANNEL_MODE_ULIMIT;
 	type = 3;
+	if (cmd->argc < 4) {
+	  cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+	       "Usage: /CMODE <channel> +|-<modes> [{ <arguments>}]");
+	  COMMAND_ERROR;
+	  goto out;
+	}
 	ll = atoi(cmd->argv[3]);
 	SILC_PUT32_MSB(ll, tmp);
 	arg = tmp;
@@ -1216,6 +1298,12 @@ SILC_CLIENT_CMD_FUNC(cmode)
       if (add) {
 	mode |= SILC_CHANNEL_MODE_PASSPHRASE;
 	type = 4;
+	if (cmd->argc < 4) {
+	  cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+	       "Usage: /CMODE <channel> +|-<modes> [{ <arguments>}]");
+	  COMMAND_ERROR;
+	  goto out;
+	}
 	arg = cmd->argv[3];
 	arg_len = cmd->argv_lens[3];
       } else {
@@ -1226,6 +1314,12 @@ SILC_CLIENT_CMD_FUNC(cmode)
       if (add) {
 	mode |= SILC_CHANNEL_MODE_CIPHER;
 	type = 5;
+	if (cmd->argc < 4) {
+	  cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+	       "Usage: /CMODE <channel> +|-<modes> [{ <arguments>}]");
+	  COMMAND_ERROR;
+	  goto out;
+	}
 	arg = cmd->argv[3];
 	arg_len = cmd->argv_lens[3];
       } else {
@@ -1236,6 +1330,12 @@ SILC_CLIENT_CMD_FUNC(cmode)
       if (add) {
 	mode |= SILC_CHANNEL_MODE_HMAC;
 	type = 6;
+	if (cmd->argc < 4) {
+	  cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+	       "Usage: /CMODE <channel> +|-<modes> [{ <arguments>}]");
+	  COMMAND_ERROR;
+	  goto out;
+	}
 	arg = cmd->argv[3];
 	arg_len = cmd->argv_lens[3];
       } else {
@@ -1247,6 +1347,13 @@ SILC_CLIENT_CMD_FUNC(cmode)
 	mode |= SILC_CHANNEL_MODE_FOUNDER_AUTH;
 	type = 7;
 
+	if (cmd->argc < 4) {
+	  cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+	       "Usage: /CMODE <channel> +|-<modes> [{ <arguments>}]");
+	  COMMAND_ERROR;
+	  goto out;
+	}
+
 	if (!strcasecmp(cmd->argv[3], "-pubkey")) {
 	  auth = silc_auth_public_key_auth_generate(cmd->client->public_key,
 						    cmd->client->private_key,
@@ -1271,11 +1378,6 @@ SILC_CLIENT_CMD_FUNC(cmode)
     }
   }
 
-  if (type && cmd->argc < 3) {
-    COMMAND_ERROR;
-    goto out;
-  }
-
   chidp = silc_id_payload_encode(channel->id, SILC_ID_CHANNEL);
   SILC_PUT32_MSB(mode, modebuf);
 
@@ -1313,15 +1415,15 @@ SILC_CLIENT_CMD_FUNC(cmode)
 SILC_CLIENT_CMD_FUNC(cumode)
 {
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
+  SilcClient client = cmd->client;
   SilcClientConnection conn = cmd->conn;
   SilcChannelEntry channel;
   SilcChannelUser chu;
   SilcClientEntry client_entry;
   SilcBuffer buffer, clidp, chidp, auth = NULL;
   unsigned char *name, *cp, modebuf[4];
-  unsigned int mode = 0, add, len;
-  char *nickname = NULL, *server = NULL;
-  unsigned int num = 0;
+  uint32 mode = 0, add, len;
+  char *nickname = NULL;
   int i;
 
   if (!cmd->conn) {
@@ -1331,7 +1433,7 @@ SILC_CLIENT_CMD_FUNC(cumode)
   }
 
   if (cmd->argc < 4) {
-    cmd->client->ops->say(cmd->client, conn, 
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
 	       	  "Usage: /CUMODE <channel> +|-<modes> <nickname>[@<server>]");
     COMMAND_ERROR;
     goto out;
@@ -1339,7 +1441,8 @@ SILC_CLIENT_CMD_FUNC(cumode)
 
   if (cmd->argv[1][0] == '*') {
     if (!conn->current_channel) {
-      cmd->client->ops->say(cmd->client, conn, "You are not on any channel");
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			    "You are not on any channel");
       COMMAND_ERROR;
       goto out;
     }
@@ -1350,28 +1453,30 @@ SILC_CLIENT_CMD_FUNC(cumode)
 
     channel = silc_client_get_channel(cmd->client, conn, name);
     if (!channel) {
-      cmd->client->ops->say(cmd->client, conn, "You are on that channel");
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			    "You are on that channel");
       COMMAND_ERROR;
       goto out;
     }
   }
 
   /* Parse the typed nickname. */
-  if (!silc_parse_nickname(cmd->argv[3], &nickname, &server, &num)) {
-    cmd->client->ops->say(cmd->client, conn, "Bad nickname");
-    COMMAND_ERROR;
-    goto out;
-  }
+  if (client->params->nickname_parse)
+    client->params->nickname_parse(cmd->argv[3], &nickname);
+  else
+    nickname = strdup(cmd->argv[3]);
 
   /* Find client entry */
-  client_entry = silc_idlist_get_client(cmd->client, conn, 
-					nickname, server, num, TRUE);
+  client_entry = silc_idlist_get_client(cmd->client, conn, nickname,
+					cmd->argv[3], TRUE);
   if (!client_entry) {
     if (cmd->pending) {
       COMMAND_ERROR;
       goto out;
     }
 
+    silc_free(nickname);
+
     /* Client entry not found, it was requested thus mark this to be
        pending command. */
     silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, 
@@ -1383,9 +1488,11 @@ SILC_CLIENT_CMD_FUNC(cumode)
     return;
   }
   
+  /* Get the current mode */
+  silc_list_start(channel->clients);
   while ((chu = silc_list_get(channel->clients)) != SILC_LIST_END) {
     if (chu->client == client_entry) {
-      chu->mode = mode;
+      mode = chu->mode;
       break;
     }
   }
@@ -1447,7 +1554,8 @@ SILC_CLIENT_CMD_FUNC(cumode)
 
   /* Send the command packet. We support sending only one mode at once
      that requires an argument. */
-  buffer = silc_command_payload_encode_va(SILC_COMMAND_CUMODE, 0, 4, 
+  buffer = silc_command_payload_encode_va(SILC_COMMAND_CUMODE, 0, 
+					  auth ? 4 : 3, 
 					  1, chidp->data, chidp->len, 
 					  2, modebuf, 4,
 					  3, clidp->data, clidp->len,
@@ -1466,10 +1574,7 @@ SILC_CLIENT_CMD_FUNC(cumode)
   COMMAND;
 
  out:
-  if (nickname)
-    silc_free(nickname);
-  if (server)
-    silc_free(server);
+  silc_free(nickname);
   silc_client_command_free(cmd);
 }
 
@@ -1478,14 +1583,14 @@ SILC_CLIENT_CMD_FUNC(cumode)
 SILC_CLIENT_CMD_FUNC(kick)
 {
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
+  SilcClient client = cmd->client;
   SilcClientConnection conn = cmd->conn;
   SilcIDCacheEntry id_cache = NULL;
   SilcChannelEntry channel;
   SilcBuffer buffer, idp, idp2;
   SilcClientEntry target;
   char *name;
-  unsigned int num = 0;
-  char *nickname = NULL, *server = NULL;
+  char *nickname = NULL;
 
   if (!cmd->conn) {
     SILC_NOT_CONNECTED(cmd->client, cmd->conn);
@@ -1494,7 +1599,7 @@ SILC_CLIENT_CMD_FUNC(kick)
   }
 
   if (cmd->argc < 3) {
-    cmd->client->ops->say(cmd->client, conn, 
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
 			  "Usage: /KICK <channel> <nickname> [<comment>]");
     COMMAND_ERROR;
     goto out;
@@ -1502,7 +1607,8 @@ SILC_CLIENT_CMD_FUNC(kick)
 
   if (cmd->argv[1][0] == '*') {
     if (!conn->current_channel) {
-      cmd->client->ops->say(cmd->client, conn, "You are not on any channel");
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			    "You are not on any channel");
       COMMAND_ERROR;
       goto out;
     }
@@ -1512,14 +1618,16 @@ SILC_CLIENT_CMD_FUNC(kick)
   }
 
   if (!conn->current_channel) {
-    cmd->client->ops->say(cmd->client, conn, "You are not on that channel");
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			  "You are not on that channel");
     COMMAND_ERROR;
     goto out;
   }
 
   /* Get the Channel ID of the channel */
-  if (!silc_idcache_find_by_data_one(conn->channel_cache, name, &id_cache)) {
-    cmd->client->ops->say(cmd->client, conn, "You are not on that channel");
+  if (!silc_idcache_find_by_name_one(conn->channel_cache, name, &id_cache)) {
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			  "You are not on that channel");
     COMMAND_ERROR;
     goto out;
   }
@@ -1527,17 +1635,17 @@ SILC_CLIENT_CMD_FUNC(kick)
   channel = (SilcChannelEntry)id_cache->context;
 
   /* Parse the typed nickname. */
-  if (!silc_parse_nickname(cmd->argv[2], &nickname, &server, &num)) {
-    cmd->client->ops->say(cmd->client, conn, "Bad nickname");
-    COMMAND_ERROR;
-    goto out;
-  }
+  if (client->params->nickname_parse)
+    client->params->nickname_parse(cmd->argv[2], &nickname);
+  else
+    nickname = strdup(cmd->argv[2]);
 
   /* Get the target client */
   target = silc_idlist_get_client(cmd->client, conn, nickname, 
-				  server, num, FALSE);
+				  cmd->argv[2], FALSE);
   if (!target) {
-    cmd->client->ops->say(cmd->client, conn, "No such client: %s",
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			  "No such client: %s",
 			  cmd->argv[2]);
     COMMAND_ERROR;
     goto out;
@@ -1566,22 +1674,50 @@ SILC_CLIENT_CMD_FUNC(kick)
   COMMAND;
 
  out:
-  if (nickname)
-    silc_free(nickname);
-  if (server)
-    silc_free(server);
+  silc_free(nickname);
   silc_client_command_free(cmd);
 }
 
+static void silc_client_command_oper_send(unsigned char *data,
+					  uint32 data_len, void *context)
+{
+  SilcClientCommandContext cmd = (SilcClientCommandContext)context;
+  SilcClientConnection conn = cmd->conn;
+  SilcBuffer buffer, auth;
+
+  if (cmd->argc >= 3) {
+    /* Encode the public key authentication payload */
+    auth = silc_auth_public_key_auth_generate(cmd->client->public_key,
+					      cmd->client->private_key,
+					      conn->hash,
+					      conn->local_id,
+					      SILC_ID_CLIENT);
+  } else {
+    /* Encode the password authentication payload */
+    auth = silc_auth_payload_encode(SILC_AUTH_PASSWORD, NULL, 0,
+				    data, data_len);
+  }
+
+  buffer = silc_command_payload_encode_va(SILC_COMMAND_OPER, 0, 2, 
+					  1, cmd->argv[1], 
+					  strlen(cmd->argv[1]),
+					  2, auth->data, auth->len);
+  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL,
+			  0, NULL, NULL, buffer->data, buffer->len, TRUE);
+
+  silc_buffer_free(buffer);
+  silc_buffer_free(auth);
+
+  /* Notify application */
+  COMMAND;
+}
+
 /* OPER command. Used to obtain server operator privileges. */
 
 SILC_CLIENT_CMD_FUNC(oper)
 {
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
   SilcClientConnection conn = cmd->conn;
-  SilcBuffer buffer;
-  unsigned char *auth_data;
-  SilcBuffer auth;
 
   if (!cmd->conn) {
     SILC_NOT_CONNECTED(cmd->client, cmd->conn);
@@ -1590,32 +1726,47 @@ SILC_CLIENT_CMD_FUNC(oper)
   }
 
   if (cmd->argc < 2) {
-    cmd->client->ops->say(cmd->client, conn, 
-			  "Usage: /OPER <username> [<public key>]");
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			  "Usage: /OPER <username> [-pubkey]");
     COMMAND_ERROR;
     goto out;
   }
 
-  if (cmd->argc == 3) {
-    /* XXX Get public key */
-    auth_data = NULL;
-    COMMAND_ERROR;
-    goto out;
-  } else {
+  if (cmd->argc < 3) {
     /* Get passphrase */
+    cmd->client->ops->ask_passphrase(cmd->client, conn,
+				     silc_client_command_oper_send,
+				     context);
+    return;
+  }
 
-    auth_data = cmd->client->ops->ask_passphrase(cmd->client, conn);
-    if (!auth_data) {
-      COMMAND_ERROR;
-      goto out;
-    }
+  silc_client_command_oper_send(NULL, 0, context);
 
-    /* Encode the authentication payload */
+ out:
+  silc_client_command_free(cmd);
+}
+
+static void silc_client_command_silcoper_send(unsigned char *data,
+					      uint32 data_len, void *context)
+{
+  SilcClientCommandContext cmd = (SilcClientCommandContext)context;
+  SilcClientConnection conn = cmd->conn;
+  SilcBuffer buffer, auth;
+
+  if (cmd->argc >= 3) {
+    /* Encode the public key authentication payload */
+    auth = silc_auth_public_key_auth_generate(cmd->client->public_key,
+					      cmd->client->private_key,
+					      conn->hash,
+					      conn->local_id,
+					      SILC_ID_CLIENT);
+  } else {
+    /* Encode the password authentication payload */
     auth = silc_auth_payload_encode(SILC_AUTH_PASSWORD, NULL, 0,
-				    auth_data, strlen(auth_data));
+				    data, data_len);
   }
 
-  buffer = silc_command_payload_encode_va(SILC_COMMAND_OPER, 0, 2, 
+  buffer = silc_command_payload_encode_va(SILC_COMMAND_SILCOPER, 0, 2, 
 					  1, cmd->argv[1], 
 					  strlen(cmd->argv[1]),
 					  2, auth->data, auth->len);
@@ -1624,14 +1775,9 @@ SILC_CLIENT_CMD_FUNC(oper)
 
   silc_buffer_free(buffer);
   silc_buffer_free(auth);
-  memset(auth_data, 0, strlen(auth_data));
-  silc_free(auth_data);
 
   /* Notify application */
   COMMAND;
-
- out:
-  silc_client_command_free(cmd);
 }
 
 /* SILCOPER command. Used to obtain router operator privileges. */
@@ -1640,9 +1786,6 @@ SILC_CLIENT_CMD_FUNC(silcoper)
 {
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
   SilcClientConnection conn = cmd->conn;
-  SilcBuffer buffer;
-  unsigned char *auth_data;
-  SilcBuffer auth;
 
   if (!cmd->conn) {
     SILC_NOT_CONNECTED(cmd->client, cmd->conn);
@@ -1651,45 +1794,21 @@ SILC_CLIENT_CMD_FUNC(silcoper)
   }
 
   if (cmd->argc < 2) {
-    cmd->client->ops->say(cmd->client, conn, 
-			  "Usage: /SILCOPER <username> [<public key>]");
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			  "Usage: /SILCOPER <username> [-pubkey]");
     COMMAND_ERROR;
     goto out;
   }
 
-  if (cmd->argc == 3) {
-    /* XXX Get public key */
-    auth_data = NULL;
-    COMMAND_ERROR;
-    goto out;
-  } else {
+  if (cmd->argc < 3) {
     /* Get passphrase */
-
-    auth_data = cmd->client->ops->ask_passphrase(cmd->client, conn);
-    if (!auth_data) {
-      COMMAND_ERROR;
-      goto out;
-    }
-
-    /* Encode the authentication payload */
-    auth = silc_auth_payload_encode(SILC_AUTH_PASSWORD, NULL, 0,
-				    auth_data, strlen(auth_data));
+    cmd->client->ops->ask_passphrase(cmd->client, conn,
+				     silc_client_command_silcoper_send,
+				     context);
+    return;
   }
 
-  buffer = silc_command_payload_encode_va(SILC_COMMAND_SILCOPER, 0, 2, 
-					  1, cmd->argv[1], 
-					  strlen(cmd->argv[1]),
-					  2, auth->data, auth->len);
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL,
-			  0, NULL, NULL, buffer->data, buffer->len, TRUE);
-
-  silc_buffer_free(buffer);
-  silc_buffer_free(auth);
-  memset(auth_data, 0, strlen(auth_data));
-  silc_free(auth_data);
-
-  /* Notify application */
-  COMMAND;
+  silc_client_command_silcoper_send(NULL, 0, context);
 
  out:
   silc_client_command_free(cmd);
@@ -1703,7 +1822,7 @@ SILC_CLIENT_CMD_FUNC(connect)
   SilcClientConnection conn = cmd->conn;
   SilcBuffer buffer;
   unsigned char port[4];
-  unsigned int tmp;
+  uint32 tmp;
 
   if (!cmd->conn) {
     SILC_NOT_CONNECTED(cmd->client, cmd->conn);
@@ -1712,7 +1831,7 @@ SILC_CLIENT_CMD_FUNC(connect)
   }
 
   if (cmd->argc < 2) {
-    cmd->client->ops->say(cmd->client, conn, 
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
 			  "Usage: /CONNECT <server> [<port>]");
     COMMAND_ERROR;
     goto out;
@@ -1761,7 +1880,7 @@ SILC_CLIENT_CMD_FUNC(ban)
   }
 
   if (cmd->argc < 2) {
-    cmd->client->ops->say(cmd->client, conn, 
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
 		   "Usage: /BAN <channel> "
 		   "[+|-[<nickname>[@<server>[!<username>[@hostname>]]]]]");
     COMMAND_ERROR;
@@ -1770,7 +1889,8 @@ SILC_CLIENT_CMD_FUNC(ban)
 
   if (cmd->argv[1][0] == '*') {
     if (!conn->current_channel) {
-      cmd->client->ops->say(cmd->client, conn, "You are not on any channel");
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			    "You are not on any channel");
       COMMAND_ERROR;
       goto out;
     }
@@ -1781,7 +1901,8 @@ SILC_CLIENT_CMD_FUNC(ban)
 
     channel = silc_client_get_channel(cmd->client, conn, name);
     if (!channel) {
-      cmd->client->ops->say(cmd->client, conn, "You are on that channel");
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			    "You are on that channel");
       COMMAND_ERROR;
       goto out;
     }
@@ -1828,7 +1949,7 @@ SILC_CLIENT_CMD_FUNC(close)
   SilcClientConnection conn = cmd->conn;
   SilcBuffer buffer;
   unsigned char port[4];
-  unsigned int tmp;
+  uint32 tmp;
 
   if (!cmd->conn) {
     SILC_NOT_CONNECTED(cmd->client, cmd->conn);
@@ -1837,7 +1958,7 @@ SILC_CLIENT_CMD_FUNC(close)
   }
 
   if (cmd->argc < 2) {
-    cmd->client->ops->say(cmd->client, conn, 
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
 			  "Usage: /CLOSE <server> [<port>]");
     COMMAND_ERROR;
     goto out;
@@ -1909,14 +2030,16 @@ SILC_CLIENT_CMD_FUNC(leave)
   }
 
   if (cmd->argc != 2) {
-    cmd->client->ops->say(cmd->client, conn, "Usage: /LEAVE <channel>");
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			  "Usage: /LEAVE <channel>");
     COMMAND_ERROR;
     goto out;
   }
 
   if (cmd->argv[1][0] == '*') {
     if (!conn->current_channel) {
-      cmd->client->ops->say(cmd->client, conn, "You are not on any channel");
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			    "You are not on any channel");
       COMMAND_ERROR;
       goto out;
     }
@@ -1925,20 +2048,16 @@ SILC_CLIENT_CMD_FUNC(leave)
     name = cmd->argv[1];
   }
 
-  if (!conn->current_channel) {
-    cmd->client->ops->say(cmd->client, conn, "You are not on that channel");
-    COMMAND_ERROR;
-    goto out;
-  }
-
   /* Get the Channel ID of the channel */
-  if (!silc_idcache_find_by_data_one(conn->channel_cache, name, &id_cache)) {
-    cmd->client->ops->say(cmd->client, conn, "You are not on that channel");
+  if (!silc_idcache_find_by_name_one(conn->channel_cache, name, &id_cache)) {
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			  "You are not on that channel");
     COMMAND_ERROR;
     goto out;
   }
 
   channel = (SilcChannelEntry)id_cache->context;
+  channel->on_channel = FALSE;
 
   /* Send LEAVE command to the server */
   idp = silc_id_payload_encode(id_cache->id, SILC_ID_CHANNEL);
@@ -1949,21 +2068,14 @@ SILC_CLIENT_CMD_FUNC(leave)
   silc_buffer_free(buffer);
   silc_buffer_free(idp);
 
-  /* We won't talk anymore on this channel */
-  cmd->client->ops->say(cmd->client, conn, "You have left channel %s", name);
-
-  conn->current_channel = NULL;
-
-  silc_idcache_del_by_id(conn->channel_cache, SILC_ID_CHANNEL, channel->id);
-  silc_free(channel->channel_name);
-  silc_free(channel->id);
-  silc_free(channel->key);
-  silc_cipher_free(channel->channel_key);
-  silc_free(channel);
-
   /* Notify application */
   COMMAND;
 
+  if (conn->current_channel == channel)
+    conn->current_channel = NULL;
+
+  silc_client_del_channel(cmd->client, cmd->conn, channel);
+
  out:
   silc_client_command_free(cmd);
 }
@@ -1975,9 +2087,7 @@ SILC_CLIENT_CMD_FUNC(users)
 {
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
   SilcClientConnection conn = cmd->conn;
-  SilcIDCacheEntry id_cache = NULL;
-  SilcChannelEntry channel;
-  SilcBuffer buffer, idp;
+  SilcBuffer buffer;
   char *name;
 
   if (!cmd->conn) {
@@ -1987,14 +2097,16 @@ SILC_CLIENT_CMD_FUNC(users)
   }
 
   if (cmd->argc != 2) {
-    cmd->client->ops->say(cmd->client, conn, "Usage: /USERS <channel>");
+    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			  "Usage: /USERS <channel>");
     COMMAND_ERROR;
     goto out;
   }
 
   if (cmd->argv[1][0] == '*') {
     if (!conn->current_channel) {
-      cmd->client->ops->say(cmd->client, conn, "You are not on any channel");
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+			    "You are not on any channel");
       COMMAND_ERROR;
       goto out;
     }
@@ -2003,49 +2115,125 @@ SILC_CLIENT_CMD_FUNC(users)
     name = cmd->argv[1];
   }
 
-  if (!conn->current_channel) {
-    cmd->client->ops->say(cmd->client, conn, "You are not on that channel");
+  /* Send USERS command to the server */
+  buffer = silc_command_payload_encode_va(SILC_COMMAND_USERS, 
+					  ++conn->cmd_ident, 1, 
+					  2, name, strlen(name));
+  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, 
+			  NULL, 0, NULL, NULL, buffer->data, 
+			  buffer->len, TRUE);
+  silc_buffer_free(buffer);
+
+  /* Notify application */
+  COMMAND;
+
+ out:
+  silc_client_command_free(cmd);
+}
+
+/* Command GETKEY. Used to fetch remote client's public key. */
+
+SILC_CLIENT_CMD_FUNC(getkey)
+{
+  SilcClientCommandContext cmd = (SilcClientCommandContext)context;
+  SilcClientConnection conn = cmd->conn;
+  SilcClient client = cmd->client;
+  SilcClientEntry client_entry = NULL;
+  SilcServerEntry server_entry = NULL;
+  char *nickname = NULL;
+  SilcBuffer idp, buffer;
+
+  if (!cmd->conn) {
+    SILC_NOT_CONNECTED(cmd->client, cmd->conn);
     COMMAND_ERROR;
     goto out;
   }
 
-  /* Get the Channel ID of the channel */
-  if (!silc_idcache_find_by_data_one(conn->channel_cache, name, &id_cache)) {
-    /* XXX should resolve the channel ID; LIST command */
-    cmd->client->ops->say(cmd->client, conn, 
-			  "You are not on that channel", name);
+  if (cmd->argc < 2) {
+    client->ops->say(client, conn, SILC_CLIENT_MESSAGE_INFO, 
+		     "Usage: /GETKEY <nickname or server name>");
     COMMAND_ERROR;
     goto out;
   }
 
-  channel = (SilcChannelEntry)id_cache->context;
+  if (cmd->pending) {
+    SilcClientCommandReplyContext reply = 
+      (SilcClientCommandReplyContext)context2;
+    SilcCommandStatus status;
+    unsigned char *tmp = silc_argument_get_arg_type(reply->args, 1, NULL);
+    SILC_GET16_MSB(status, tmp);
+    
+    if (status == SILC_STATUS_ERR_NO_SUCH_NICK ||
+	status == SILC_STATUS_ERR_NO_SUCH_SERVER) {
+      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+			    "%s", 
+			    silc_client_command_status_message(status));
+      COMMAND_ERROR;
+      goto out;
+    }
+  }
 
-  if (!cmd->pending) {
-    /* Send USERS command to the server */
-    idp = silc_id_payload_encode(id_cache->id, SILC_ID_CHANNEL);
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_USERS, 
-					    ++conn->cmd_ident, 1, 
-					    1, idp->data, idp->len);
-    silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, 
-			    NULL, 0, NULL, NULL, buffer->data, 
-			    buffer->len, TRUE);
-    silc_buffer_free(buffer);
-    silc_buffer_free(idp);
+  /* Parse the typed nickname. */
+  if (client->params->nickname_parse)
+    client->params->nickname_parse(cmd->argv[1], &nickname);
+  else
+    nickname = strdup(cmd->argv[1]);
 
-    /* Register pending callback which will recall this command callback with
-       same context and reprocesses the command. When reprocessing we actually
-       display the information on the screen. */
-    silc_client_command_pending(conn, SILC_COMMAND_USERS, conn->cmd_ident, 
-				silc_client_command_destructor,
-				silc_client_command_users, 
-				silc_client_command_dup(cmd));
-    cmd->pending = TRUE;
-    return;
+  /* Find client entry */
+  client_entry = silc_idlist_get_client(client, conn, nickname, cmd->argv[1],
+					FALSE);
+  if (!client_entry) {
+    /* Check whether user requested server actually */
+    server_entry = silc_client_get_server(client, conn, cmd->argv[1]);
+
+    if (!server_entry) {
+      if (cmd->pending) {
+	COMMAND_ERROR;
+	goto out;
+      }
+
+      /* No. what ever user wants we don't have it, so resolve it. We
+	 will try to resolve both client and server, one of them is
+	 bound to be wrong. */
+
+      /* This will send the IDENTIFY command */
+      silc_idlist_get_client(client, conn, nickname, cmd->argv[1], TRUE);
+      silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, 
+				  conn->cmd_ident,  
+				  silc_client_command_destructor,
+				  silc_client_command_getkey, 
+				  silc_client_command_dup(cmd));
+
+      /* This sends the IDENTIFY command to resolve the server. */
+      silc_client_send_command(client, conn, SILC_COMMAND_IDENTIFY,
+			       ++conn->cmd_ident, 1, 
+			       2, cmd->argv[1], cmd->argv_lens[1]);
+      silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, 
+				  conn->cmd_ident, NULL,
+				  silc_client_command_getkey, 
+				  silc_client_command_dup(cmd));
+
+      cmd->pending = 1;
+      silc_free(nickname);
+      return;
+    }
+
+    idp = silc_id_payload_encode(server_entry->server_id, SILC_ID_SERVER);
+  } else {
+    idp = silc_id_payload_encode(client_entry->id, SILC_ID_CLIENT);
   }
 
+  buffer = silc_command_payload_encode_va(SILC_COMMAND_GETKEY, 0, 1, 
+					  1, idp->data, idp->len);
+  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+			  0, NULL, NULL, buffer->data, buffer->len, TRUE);
+  silc_buffer_free(buffer);
+  silc_buffer_free(idp);
+
   /* Notify application */
   COMMAND;
 
  out:
+  silc_free(nickname);
   silc_client_command_free(cmd);
 }