Merged silc_1_0_branch to trunk.
[silc.git] / lib / silcclient / command.c
index 83e6bb69c77debbac2ce804e9e31f383403be579..557a539c9c8186daa7d4e62a3c345c43372dd95f 100644 (file)
@@ -1,10 +1,10 @@
 /*
 
-  command.c 
+  command.c
 
   Author: Pekka Riikonen <priikone@silcnet.org>
 
-  Copyright (C) 1997 - 2002 Pekka Riikonen
+  Copyright (C) 1997 - 2003 Pekka Riikonen
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -26,7 +26,7 @@
   x->internal->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. 
+/* Command operation that is called at the end of all commands.
    Usage: COMMAND(status); */
 #define COMMAND(status) cmd->client->internal->ops->command(cmd->client, \
   cmd->conn, cmd, TRUE, cmd->command->cmd, (status))
@@ -48,11 +48,13 @@ void silc_client_command_send(SilcClient client, SilcClientConnection conn,
   SilcBuffer packet;
   va_list ap;
 
+  assert(client && conn);
+
   va_start(ap, argc);
 
   packet = silc_command_payload_encode_vap(command, ident, argc, ap);
-  silc_client_packet_send(client, conn->sock, SILC_PACKET_COMMAND, 
-                         NULL, 0, NULL, NULL, packet->data, 
+  silc_client_packet_send(client, conn->sock, SILC_PACKET_COMMAND,
+                         NULL, 0, NULL, NULL, packet->data,
                          packet->len, TRUE);
   silc_buffer_free(packet);
 }
@@ -65,25 +67,93 @@ SilcClientCommand silc_client_command_find(SilcClient client,
 {
   SilcClientCommand cmd;
 
+  assert(client);
+
   silc_list_start(client->internal->commands);
   while ((cmd = silc_list_get(client->internal->commands)) != SILC_LIST_END) {
-    if (cmd->name && !strcmp(cmd->name, name))
+    if (cmd->name && !strcasecmp(cmd->name, name))
       return cmd;
   }
 
   return NULL;
 }
 
-/* Calls the command (executes it).  Application can call this after
-   it has allocated the SilcClientCommandContext with the function
-   silc_client_command_alloc and found the command from the client
-   library by calling silc_client_command_find.  This will execute
-   the command. */
+/* Executes a command */
 
-void silc_client_command_call(SilcClientCommand command, 
-                             SilcClientCommandContext cmd)
+bool silc_client_command_call(SilcClient client,
+                             SilcClientConnection conn,
+                             const char *command_line, ...)
 {
-  (*command->command)((void *)cmd, NULL);
+  va_list va;
+  SilcUInt32 argc = 0;
+  unsigned char **argv = NULL;
+  SilcUInt32 *argv_lens = NULL, *argv_types = NULL;
+  SilcClientCommand cmd;
+  SilcClientCommandContext ctx;
+  char *arg;
+
+  assert(client);
+
+  /* Parse arguments */
+  va_start(va, command_line);
+  if (command_line) {
+    char *command_name;
+
+    /* Get command name */
+    command_name = silc_memdup(command_line, strcspn(command_line, " "));
+    if (!command_name)
+      return FALSE;
+
+    /* Find command by name */
+    cmd = silc_client_command_find(client, command_name);
+    if (!cmd) {
+      silc_free(command_name);
+      return FALSE;
+    }
+
+    /* Parse command line */
+    silc_parse_command_line((char *)command_line, &argv, &argv_lens,
+                           &argv_types, &argc, cmd->max_args);
+
+    silc_free(command_name);
+  } else {
+    arg = va_arg(va, char *);
+    if (!arg)
+      return FALSE;
+
+    /* Find command by name */
+    cmd = silc_client_command_find(client, arg);
+    if (!cmd)
+      return FALSE;
+
+    while (arg) {
+      argv = silc_realloc(argv, sizeof(*argv) * (argc + 1));
+      argv_lens = silc_realloc(argv_lens, sizeof(*argv_lens) * (argc + 1));
+      argv_types = silc_realloc(argv_types, sizeof(*argv_types) * (argc + 1));
+      argv[argc] = silc_memdup(arg, strlen(arg));
+      argv_lens[argc] = strlen(arg);
+      argv_types[argc] = argc;
+      argc++;
+      arg = va_arg(va, char *);
+    }
+  }
+
+  /* Allocate command context. */
+  ctx = silc_client_command_alloc();
+  ctx->client = client;
+  ctx->conn = conn;
+  ctx->command = cmd;
+  ctx->argc = argc;
+  ctx->argv = argv;
+  ctx->argv_lens = argv_lens;
+  ctx->argv_types = argv_types;
+
+  /* Call the command */
+  cmd->command(ctx, NULL);
+
+  va_end(va);
+
+  return TRUE;
 }
 
 /* Add new pending command to be executed when reply to a command has been
@@ -103,12 +173,13 @@ void silc_client_command_pending(SilcClientConnection conn,
 {
   SilcClientCommandPending *reply;
 
+  assert(conn);
   reply = silc_calloc(1, sizeof(*reply));
   reply->reply_cmd = reply_cmd;
   reply->ident = ident;
   reply->context = context;
   reply->callback = callback;
-  silc_dlist_add(conn->pending_commands, reply);
+  silc_dlist_add(conn->internal->pending_commands, reply);
 }
 
 /* Deletes pending command by reply command type. */
@@ -119,15 +190,16 @@ void silc_client_command_pending_del(SilcClientConnection conn,
 {
   SilcClientCommandPending *r;
 
-  if (!conn->pending_commands)
+  if (!conn->internal->pending_commands)
     return;
 
-  silc_dlist_start(conn->pending_commands);
-  while ((r = silc_dlist_get(conn->pending_commands)) != SILC_LIST_END) {
+  silc_dlist_start(conn->internal->pending_commands);
+  while ((r = silc_dlist_get(conn->internal->pending_commands))
+        != SILC_LIST_END) {
     if ((r->reply_cmd == reply_cmd || (r->reply_cmd == SILC_COMMAND_NONE &&
                                       r->reply_check))
        && r->ident == ident) {
-      silc_dlist_del(conn->pending_commands, r);
+      silc_dlist_del(conn->internal->pending_commands, r);
       silc_free(r);
     }
   }
@@ -139,7 +211,7 @@ void silc_client_command_pending_del(SilcClientConnection conn,
 SilcClientCommandPendingCallbacks
 silc_client_command_pending_check(SilcClientConnection conn,
                                  SilcClientCommandReplyContext ctx,
-                                 SilcCommand command, 
+                                 SilcCommand command,
                                  SilcUInt16 ident,
                                  SilcUInt32 *callbacks_count)
 {
@@ -147,8 +219,9 @@ silc_client_command_pending_check(SilcClientConnection conn,
   SilcClientCommandPendingCallbacks callbacks = NULL;
   int i = 0;
 
-  silc_dlist_start(conn->pending_commands);
-  while ((r = silc_dlist_get(conn->pending_commands)) != SILC_LIST_END) {
+  silc_dlist_start(conn->internal->pending_commands);
+  while ((r = silc_dlist_get(conn->internal->pending_commands))
+        != SILC_LIST_END) {
     if ((r->reply_cmd == command || r->reply_cmd == SILC_COMMAND_NONE)
        && r->ident == ident) {
       callbacks = silc_realloc(callbacks, sizeof(*callbacks) * (i + 1));
@@ -185,6 +258,7 @@ void silc_client_command_free(SilcClientCommandContext ctx)
 
     for (i = 0; i < ctx->argc; i++)
       silc_free(ctx->argv[i]);
+    silc_free(ctx->argv);
     silc_free(ctx->argv_lens);
     silc_free(ctx->argv_types);
     silc_free(ctx);
@@ -202,7 +276,7 @@ SilcClientCommandContext silc_client_command_dup(SilcClientCommandContext ctx)
   return ctx;
 }
 
-/* Command WHOIS. This command is used to query information about 
+/* Command WHOIS. This command is used to query information about
    specific user. */
 
 SILC_CLIENT_CMD_FUNC(whois)
@@ -221,7 +295,7 @@ SILC_CLIENT_CMD_FUNC(whois)
   /* 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_command_send(cmd->client, cmd->conn, SILC_COMMAND_WHOIS, 
+    silc_client_command_send(cmd->client, cmd->conn, SILC_COMMAND_WHOIS,
                             ++conn->cmd_ident,
                             1, 4, buffer->data, buffer->len);
     silc_buffer_free(buffer);
@@ -231,7 +305,7 @@ SILC_CLIENT_CMD_FUNC(whois)
   if (cmd->argc == 2) {
     buffer = silc_command_payload_encode_va(SILC_COMMAND_WHOIS,
                                            ++conn->cmd_ident, 1,
-                                           1, cmd->argv[1], 
+                                           1, cmd->argv[1],
                                            cmd->argv_lens[1]);
   } else {
     if (!strcasecmp(cmd->argv[2], "-details"))
@@ -279,7 +353,7 @@ SILC_CLIENT_CMD_FUNC(whowas)
   }
 
   if (cmd->argc < 2 || cmd->argc > 3) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /WHOWAS <nickname>[@<server>] [<count>]");
     COMMAND_ERROR((cmd->argc < 2 ? SILC_STATUS_ERR_NOT_ENOUGH_PARAMS :
                   SILC_STATUS_ERR_TOO_MANY_PARAMS));
@@ -289,7 +363,7 @@ SILC_CLIENT_CMD_FUNC(whowas)
   if (cmd->argc == 2) {
     buffer = silc_command_payload_encode_va(SILC_COMMAND_WHOWAS,
                                            ++conn->cmd_ident, 1,
-                                           1, cmd->argv[1], 
+                                           1, cmd->argv[1],
                                            cmd->argv_lens[1]);
   } else {
     int c = atoi(cmd->argv[2]);
@@ -312,8 +386,8 @@ SILC_CLIENT_CMD_FUNC(whowas)
   silc_client_command_free(cmd);
 }
 
-/* Command IDENTIFY. This command is used to query information about 
-   specific user, especially ID's. 
+/* Command IDENTIFY. This command is used to query information about
+   specific user, especially ID's.
 
    NOTE: This command is used only internally by the client library
    and application MUST NOT call this command directly. */
@@ -335,7 +409,7 @@ SILC_CLIENT_CMD_FUNC(identify)
     goto out;
 
   if (cmd->argc == 2) {
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_IDENTIFY, 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_IDENTIFY,
                                            ++conn->cmd_ident, 1,
                                            1, cmd->argv[1],
                                            cmd->argv_lens[1]);
@@ -343,7 +417,7 @@ SILC_CLIENT_CMD_FUNC(identify)
     int c = atoi(cmd->argv[2]);
     memset(count, 0, sizeof(count));
     SILC_PUT32_MSB(c, count);
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_IDENTIFY, 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_IDENTIFY,
                                            ++conn->cmd_ident, 2,
                                            1, cmd->argv[1],
                                            cmd->argv_lens[1],
@@ -375,7 +449,7 @@ SILC_CLIENT_CMD_FUNC(nick)
   }
 
   if (cmd->argc < 2) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /NICK <nickname>");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
@@ -387,11 +461,11 @@ SILC_CLIENT_CMD_FUNC(nick)
   /* Show current nickname */
   if (cmd->argc < 2) {
     if (cmd->conn) {
-      SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
-         "Your nickname is %s on server %s", 
+      SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
+         "Your nickname is %s on server %s",
          conn->nickname, conn->remote_host);
     } else {
-      SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+      SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
          "Your nickname is %s", conn->nickname);
     }
 
@@ -405,7 +479,7 @@ SILC_CLIENT_CMD_FUNC(nick)
   /* Send the NICK command */
   buffer = silc_command_payload_encode(SILC_COMMAND_NICK, 1,
                                       &cmd->argv[1],
-                                      &cmd->argv_lens[1], 
+                                      &cmd->argv_lens[1],
                                       &cmd->argv_types[1],
                                       ++cmd->conn->cmd_ident);
   silc_client_packet_send(cmd->client, cmd->conn->sock,
@@ -438,17 +512,18 @@ SILC_CLIENT_CMD_FUNC(list)
     name = cmd->argv[1];
 
     /* Get the Channel ID of the channel */
-    if (silc_idcache_find_by_name_one(conn->channel_cache, name, &id_cache)) {
+    if (silc_idcache_find_by_name_one(conn->internal->channel_cache,
+                                     name, &id_cache)) {
       channel = (SilcChannelEntry)id_cache->context;
       idp = silc_id_payload_encode(id_cache->id, SILC_ID_CHANNEL);
     }
   }
 
   if (!idp)
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_LIST, 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_LIST,
                                            ++conn->cmd_ident, 0);
   else
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_LIST, 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_LIST,
                                            ++conn->cmd_ident, 1,
                                            1, idp->data, idp->len);
 
@@ -507,7 +582,8 @@ SILC_CLIENT_CMD_FUNC(topic)
   }
 
   /* Get the Channel ID of the channel */
-  if (!silc_idcache_find_by_name_one(conn->channel_cache, name, &id_cache)) {
+  if (!silc_idcache_find_by_name_one(conn->internal->channel_cache,
+                                    name, &id_cache)) {
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ON_CHANNEL);
     goto out;
   }
@@ -517,16 +593,16 @@ 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, 
-                                           ++conn->cmd_ident, 2, 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_TOPIC,
+                                           ++conn->cmd_ident, 2,
                                            1, idp->data, idp->len,
-                                           2, cmd->argv[2], 
+                                           2, cmd->argv[2],
                                            strlen(cmd->argv[2]));
   else
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_TOPIC, 
+    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, 
+  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);
@@ -548,10 +624,11 @@ SILC_CLIENT_CMD_FUNC(invite)
   SilcClientConnection conn = cmd->conn;
   SilcClientEntry client_entry = NULL;
   SilcChannelEntry channel;
-  SilcBuffer buffer, clidp, chidp;
-  SilcUInt32 type = 0;
+  SilcBuffer buffer, clidp, chidp, args = NULL;
+  SilcPublicKey pubkey = NULL;
   char *nickname = NULL, *name;
   char *invite = NULL;
+  unsigned char action[1];
 
   if (!cmd->conn) {
     SILC_NOT_CONNECTED(cmd->client, cmd->conn);
@@ -593,30 +670,53 @@ SILC_CLIENT_CMD_FUNC(invite)
        nickname = strdup(cmd->argv[2]);
 
       /* Find client entry */
-      client_entry = silc_idlist_get_client(client, conn, nickname, 
+      client_entry = silc_idlist_get_client(client, conn, nickname,
                                            cmd->argv[2], TRUE);
       if (!client_entry) {
        if (cmd->pending) {
          COMMAND_ERROR(SILC_STATUS_ERR_NO_SUCH_NICK);
          goto out;
        }
-      
+
        /* Client entry not found, it was requested thus mark this to be
           pending command. */
-       silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, 
+       silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY,
                                    conn->cmd_ident,
-                                   silc_client_command_invite, 
+                                   silc_client_command_invite,
                                    silc_client_command_dup(cmd));
        cmd->pending = 1;
        goto out;
       }
     } else {
-      invite = cmd->argv[2];
-      invite++;
       if (cmd->argv[2][0] == '+')
-       type = 3;
+       action[0] = 0x00;
       else
-       type = 4;
+       action[0] = 0x01;
+
+      /* Check if it is public key file to be added to invite list */
+      if (!silc_pkcs_load_public_key(cmd->argv[2] + 1, &pubkey,
+                                    SILC_PKCS_FILE_PEM))
+       silc_pkcs_load_public_key(cmd->argv[2] + 1, &pubkey,
+                                 SILC_PKCS_FILE_BIN);
+      invite = cmd->argv[2];
+      if (!pubkey)
+       invite++;
+    }
+  }
+
+  if (invite) {
+    args = silc_buffer_alloc_size(2);
+    silc_buffer_format(args,
+                      SILC_STR_UI_SHORT(1),
+                      SILC_STR_END);
+    if (pubkey) {
+      chidp = silc_pkcs_public_key_payload_encode(pubkey);
+      args = silc_argument_payload_encode_one(args, chidp->data,
+                                             chidp->len, 2);
+      silc_buffer_free(chidp);
+      silc_pkcs_public_key_free(pubkey);
+    } else {
+      args = silc_argument_payload_encode_one(args, invite, strlen(invite), 1);
     }
   }
 
@@ -624,25 +724,30 @@ SILC_CLIENT_CMD_FUNC(invite)
   chidp = silc_id_payload_encode(channel->id, SILC_ID_CHANNEL);
   if (client_entry) {
     clidp = silc_id_payload_encode(client_entry->id, SILC_ID_CLIENT);
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_INVITE, 
-                                           ++conn->cmd_ident, 3,
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_INVITE,
+                                           ++conn->cmd_ident, 4,
                                            1, chidp->data, chidp->len,
                                            2, clidp->data, clidp->len,
-                                           type, invite, invite ?
-                                           strlen(invite) : 0);
+                                           3, args ? action : NULL,
+                                           args ? 1 : 0,
+                                           4, args ? args->data : NULL,
+                                           args ? args->len : 0);
     silc_buffer_free(clidp);
   } else {
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_INVITE, 
-                                           ++conn->cmd_ident, 2,
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_INVITE,
+                                           ++conn->cmd_ident, 3,
                                            1, chidp->data, chidp->len,
-                                           type, invite, invite ?
-                                           strlen(invite) : 0);
+                                           3, args ? action : NULL,
+                                           args ? 1 : 0,
+                                           4, args ? args->data : NULL,
+                                           args ? args->len : 0);
   }
 
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+  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(chidp);
+  silc_buffer_free(args),
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -662,14 +767,14 @@ SILC_TASK_CALLBACK(silc_client_command_quit_cb)
   QuitInternal q = (QuitInternal)context;
 
   /* Close connection */
-  q->client->internal->ops->disconnect(q->client, q->conn, 0, NULL);
+  q->client->internal->ops->disconnected(q->client, q->conn, 0, NULL);
   silc_client_close_connection(q->client, q->conn->sock->user_data);
 
   silc_free(q);
 }
 
 /* Command QUIT. Closes connection with current server. */
+
 SILC_CLIENT_CMD_FUNC(quit)
 {
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
@@ -683,14 +788,14 @@ SILC_CLIENT_CMD_FUNC(quit)
   }
 
   if (cmd->argc > 1)
-    buffer = silc_command_payload_encode(SILC_COMMAND_QUIT, cmd->argc - 1, 
+    buffer = silc_command_payload_encode(SILC_COMMAND_QUIT, cmd->argc - 1,
                                         &cmd->argv[1], &cmd->argv_lens[1],
                                         &cmd->argv_types[1], 0);
   else
     buffer = silc_command_payload_encode(SILC_COMMAND_QUIT, 0,
                                         NULL, NULL, NULL, 0);
-  silc_client_packet_send(cmd->client, cmd->conn->sock, SILC_PACKET_COMMAND, 
-                         NULL, 0, NULL, NULL, 
+  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);
 
@@ -722,7 +827,7 @@ SILC_TASK_CALLBACK(silc_client_command_kill_remove_later)
   SilcClientConnection conn = cmd->conn;
   SilcClientEntry target;
   char *nickname = NULL;
-  
+
   /* Parse the typed nickname. */
   if (client->internal->params->nickname_parse)
     client->internal->params->nickname_parse(cmd->argv[1], &nickname);
@@ -730,7 +835,7 @@ SILC_TASK_CALLBACK(silc_client_command_kill_remove_later)
     nickname = strdup(cmd->argv[1]);
 
   /* Get the target client */
-  target = silc_idlist_get_client(cmd->client, conn, nickname, 
+  target = silc_idlist_get_client(cmd->client, conn, nickname,
                                  cmd->argv[1], FALSE);
   if (target)
     /* Remove the client from all channels and free it */
@@ -746,7 +851,7 @@ SILC_TASK_CALLBACK(silc_client_command_kill_remove_later)
 SILC_CLIENT_CMD_FUNC(kill_remove)
 {
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
-  SilcClientCommandReplyContext reply = 
+  SilcClientCommandReplyContext reply =
     (SilcClientCommandReplyContext)context2;
   SilcStatus status;
 
@@ -770,9 +875,9 @@ SILC_CLIENT_CMD_FUNC(kill)
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
   SilcClient client = cmd->client;
   SilcClientConnection conn = cmd->conn;
-  SilcBuffer buffer, idp;
+  SilcBuffer buffer, idp, auth = NULL;
   SilcClientEntry target;
-  char *nickname = NULL;
+  char *nickname = NULL, *comment = NULL;
 
   if (!cmd->conn) {
     SILC_NOT_CONNECTED(cmd->client, cmd->conn);
@@ -781,8 +886,8 @@ SILC_CLIENT_CMD_FUNC(kill)
   }
 
   if (cmd->argc < 2) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
-       "Usage: /KILL <nickname> [<comment>]");
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
+       "Usage: /KILL <nickname> [<comment>] [-pubkey]");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
   }
@@ -794,7 +899,7 @@ SILC_CLIENT_CMD_FUNC(kill)
     nickname = strdup(cmd->argv[1]);
 
   /* Get the target client */
-  target = silc_idlist_get_client(cmd->client, conn, nickname, 
+  target = silc_idlist_get_client(cmd->client, conn, nickname,
                                  cmd->argv[1], TRUE);
   if (!target) {
     if (cmd->pending) {
@@ -804,30 +909,43 @@ SILC_CLIENT_CMD_FUNC(kill)
 
     /* Client entry not found, it was requested thus mark this to be
        pending command. */
-    silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, 
-                               conn->cmd_ident,  
-                               silc_client_command_kill, 
+    silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY,
+                               conn->cmd_ident,
+                               silc_client_command_kill,
                                silc_client_command_dup(cmd));
     cmd->pending = 1;
     goto out;
   }
 
+  if (cmd->argc >= 3) {
+    if (strcasecmp(cmd->argv[2], "-pubkey"))
+      comment = cmd->argv[2];
+
+    if (!strcasecmp(cmd->argv[2], "-pubkey") ||
+       (cmd->argc >= 4 && !strcasecmp(cmd->argv[3], "-pubkey"))) {
+      /* Encode the public key authentication payload */
+      auth = silc_auth_public_key_auth_generate(cmd->client->public_key,
+                                               cmd->client->private_key,
+                                               cmd->client->rng,
+                                               client->sha1hash,
+                                               target->id, SILC_ID_CLIENT);
+    }
+  }
+
   /* 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, 
-                                           ++conn->cmd_ident, 1, 
-                                           1, idp->data, idp->len);
-  else
-    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]));
+  buffer =
+    silc_command_payload_encode_va(SILC_COMMAND_KILL,
+                                  ++conn->cmd_ident, 3,
+                                  1, idp->data, idp->len,
+                                  2, comment, comment ? strlen(comment) : 0,
+                                  3, auth ? auth->data : NULL,
+                                  auth ? auth->len : 0);
   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);
+  silc_buffer_free(auth);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -864,12 +982,12 @@ SILC_CLIENT_CMD_FUNC(info)
 
   /* Send the command */
   if (name)
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_INFO, 0, 1, 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_INFO, 0, 1,
                                            1, name, strlen(name));
   else
     buffer = silc_command_payload_encode(SILC_COMMAND_INFO, 0,
                                         NULL, NULL, NULL, 0);
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL,
                          0, NULL, NULL, buffer->data, buffer->len, TRUE);
   silc_buffer_free(buffer);
   if (name)
@@ -896,13 +1014,13 @@ SILC_CLIENT_CMD_FUNC(stats)
     goto out;
   }
 
-  idp = silc_id_payload_encode(conn->remote_id, SILC_ID_SERVER); 
-  
+  idp = silc_id_payload_encode(conn->remote_id, SILC_ID_SERVER);
+
   /* Send the command */
   buffer = silc_command_payload_encode_va(SILC_COMMAND_STATS,
                                          ++conn->cmd_ident, 1,
                                          SILC_ID_SERVER, idp->data, idp->len);
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+  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);
@@ -914,14 +1032,14 @@ SILC_CLIENT_CMD_FUNC(stats)
   silc_client_command_free(cmd);
 }
 
-/* Command PING. Sends ping to server. This is used to test the 
+/* Command PING. Sends ping to server. This is used to test the
    communication channel. */
 
 SILC_CLIENT_CMD_FUNC(ping)
 {
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
   SilcClientConnection conn = cmd->conn;
-  SilcBuffer buffer;
+  SilcBuffer buffer, idp;
   void *id;
   int i;
 
@@ -931,14 +1049,15 @@ SILC_CLIENT_CMD_FUNC(ping)
     goto out;
   }
 
+  idp = silc_id_payload_encode(conn->remote_id, SILC_ID_SERVER);
+
   /* Send the command */
-  buffer = silc_command_payload_encode_va(SILC_COMMAND_PING, 0, 1, 
-                                         1, conn->remote_id_data, 
-                                         silc_id_get_len(conn->remote_id,
-                                                         SILC_ID_SERVER));
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+  buffer = silc_command_payload_encode_va(SILC_COMMAND_PING, 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);
 
   id = silc_id_str2id(conn->remote_id_data, conn->remote_id_data_len,
                      SILC_ID_SERVER);
@@ -949,23 +1068,25 @@ SILC_CLIENT_CMD_FUNC(ping)
   }
 
   /* Start counting time */
-  for (i = 0; i < conn->ping_count; i++) {
-    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 = strdup(conn->remote_host);
+  for (i = 0; i < conn->internal->ping_count; i++) {
+    if (conn->internal->ping[i].dest_id == NULL) {
+      conn->internal->ping[i].start_time = time(NULL);
+      conn->internal->ping[i].dest_id = id;
+      conn->internal->ping[i].dest_name = strdup(conn->remote_host);
       break;
     }
   }
-  if (i >= conn->ping_count) {
-    i = conn->ping_count;
-    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 = strdup(conn->remote_host);
-    conn->ping_count++;
+  if (i >= conn->internal->ping_count) {
+    i = conn->internal->ping_count;
+    conn->internal->ping =
+      silc_realloc(conn->internal->ping,
+                  sizeof(*conn->internal->ping) * (i + 1));
+    conn->internal->ping[i].start_time = time(NULL);
+    conn->internal->ping[i].dest_id = id;
+    conn->internal->ping[i].dest_name = strdup(conn->remote_host);
+    conn->internal->ping_count++;
   }
-  
+
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
 
@@ -980,7 +1101,7 @@ SILC_CLIENT_CMD_FUNC(join)
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
   SilcClientConnection conn = cmd->conn;
   SilcChannelEntry channel;
-  SilcBuffer buffer, idp, auth = NULL;
+  SilcBuffer buffer, idp, auth = NULL, cauth = NULL;
   char *name, *passphrase = NULL, *pu8, *cipher = NULL, *hmac = NULL;
   int i, passphrase_len = 0;
 
@@ -994,7 +1115,7 @@ SILC_CLIENT_CMD_FUNC(join)
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
   }
-  
+
   /* See if we have joined to the requested channel already */
   channel = silc_client_get_channel(cmd->client, conn, cmd->argv[1]);
   if (channel && silc_client_on_channel(channel, conn->local_entry))
@@ -1017,16 +1138,50 @@ SILC_CLIENT_CMD_FUNC(join)
     } else if (!strcasecmp(cmd->argv[i], "-founder")) {
       auth = silc_auth_public_key_auth_generate(cmd->client->public_key,
                                                cmd->client->private_key,
-                                               cmd->client->rng, 
-                                               cmd->client->internal->
-                                               sha1hash,
+                                               cmd->client->rng,
+                                               cmd->client->sha1hash,
                                                conn->local_id,
                                                SILC_ID_CLIENT);
       i++;
+    } else if (!strcasecmp(cmd->argv[i], "-auth")) {
+      SilcPublicKey pubkey = cmd->client->public_key;
+      SilcPrivateKey privkey = cmd->client->private_key;
+      unsigned char *pk, pkhash[20], *pubdata;
+      SilcUInt32 pk_len;
+
+      if (cmd->argc >= i + 3) {
+       char *pass = "";
+       if (cmd->argc >= i + 4) {
+         pass = cmd->argv[i + 3];
+         i++;
+       }
+       if (!silc_load_key_pair(cmd->argv[i + 1], cmd->argv[i + 2], pass,
+                               NULL, &pubkey, &privkey)) {
+         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+             "Could not load key pair, check your arguments");
+         COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+         goto out;
+       }
+       i += 2;
+      }
+
+      pk = silc_pkcs_public_key_encode(pubkey, &pk_len);
+      silc_hash_make(cmd->client->sha1hash, pk, pk_len, pkhash);
+      silc_free(pk);
+      pubdata = silc_rng_get_rn_data(cmd->client->rng, 128);
+      memcpy(pubdata, pkhash, 20);
+      cauth = silc_auth_public_key_auth_generate_wpub(pubkey, privkey,
+                                                     pubdata, 128,
+                                                     cmd->client->sha1hash,
+                                                     conn->local_id,
+                                                     SILC_ID_CLIENT);
+      memset(pubdata, 0, 128);
+      silc_free(pubdata);
+      i++;
     } else {
       /* Passphrases must be UTF-8 encoded, so encode if it is not */
       if (!silc_utf8_valid(cmd->argv[i], cmd->argv_lens[i])) {
-       passphrase_len = silc_utf8_encoded_len(cmd->argv[i], 
+       passphrase_len = silc_utf8_encoded_len(cmd->argv[i],
                                               cmd->argv_lens[i], 0);
        pu8 = silc_calloc(passphrase_len, sizeof(*pu8));
        passphrase_len = silc_utf8_encode(cmd->argv[i], cmd->argv_lens[i],
@@ -1041,20 +1196,24 @@ SILC_CLIENT_CMD_FUNC(join)
 
   /* Send JOIN command to the server */
   buffer =
-    silc_command_payload_encode_va(SILC_COMMAND_JOIN, 0, 6,
+    silc_command_payload_encode_va(SILC_COMMAND_JOIN, 0, 7,
                                   1, name, strlen(name),
                                   2, idp->data, idp->len,
                                   3, passphrase, passphrase_len,
                                   4, cipher, cipher ? strlen(cipher) : 0,
                                   5, hmac, hmac ? strlen(hmac) : 0,
                                   6, auth ? auth->data : NULL,
-                                  auth ? auth->len : 0);
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+                                  auth ? auth->len : 0,
+                                  7, cauth ? cauth->data : NULL,
+                                  cauth ? cauth->len : 0);
+  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);
-  if (auth)
-    silc_buffer_free(auth);
+  silc_buffer_free(auth);
+  silc_buffer_free(cauth);
+  if (passphrase)
+    memset(passphrase, 0, strlen(passphrase));
   silc_free(passphrase);
 
   /* Notify application */
@@ -1088,14 +1247,14 @@ SILC_CLIENT_CMD_FUNC(motd)
 
   /* Send TOPIC command to the server */
   if (cmd->argc == 1)
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_MOTD, 0, 1, 
-                                           1, conn->remote_host, 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_MOTD, 0, 1,
+                                           1, conn->remote_host,
                                            strlen(conn->remote_host));
   else
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_MOTD, 0, 1, 
-                                           1, cmd->argv[1], 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_MOTD, 0, 1,
+                                           1, cmd->argv[1],
                                            cmd->argv_lens[1]);
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL,
                          0, NULL, NULL, buffer->data, buffer->len, TRUE);
   silc_buffer_free(buffer);
 
@@ -1125,7 +1284,7 @@ SILC_CLIENT_CMD_FUNC(umode)
   }
 
   if (cmd->argc < 2) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /UMODE +|-<modes>");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
@@ -1239,11 +1398,11 @@ SILC_CLIENT_CMD_FUNC(umode)
 
   /* Send the command packet. We support sending only one mode at once
      that requires an argument. */
-  buffer = 
-    silc_command_payload_encode_va(SILC_COMMAND_UMODE, ++conn->cmd_ident, 2, 
-                                  1, idp->data, idp->len, 
+  buffer =
+    silc_command_payload_encode_va(SILC_COMMAND_UMODE, ++conn->cmd_ident, 2,
+                                  1, idp->data, idp->len,
                                   2, modebuf, sizeof(modebuf));
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+  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);
@@ -1264,7 +1423,7 @@ SILC_CLIENT_CMD_FUNC(cmode)
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
   SilcClientConnection conn = cmd->conn;
   SilcChannelEntry channel;
-  SilcBuffer buffer, chidp, auth = NULL;
+  SilcBuffer buffer, chidp, auth = NULL, pk = NULL;
   unsigned char *name, *cp, modebuf[4], tmp[4], *arg = NULL;
   SilcUInt32 mode, add, type, len, arg_len = 0;
   int i;
@@ -1276,7 +1435,7 @@ SILC_CLIENT_CMD_FUNC(cmode)
   }
 
   if (cmd->argc < 3) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /CMODE <channel> +|-<modes> [{ <arguments>}]");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
@@ -1363,7 +1522,7 @@ SILC_CLIENT_CMD_FUNC(cmode)
        mode |= SILC_CHANNEL_MODE_ULIMIT;
        type = 3;
        if (cmd->argc < 4) {
-         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
              "Usage: /CMODE <channel> +|-<modes> [{ <arguments>}]");
          COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
          goto out;
@@ -1381,7 +1540,7 @@ SILC_CLIENT_CMD_FUNC(cmode)
        mode |= SILC_CHANNEL_MODE_PASSPHRASE;
        type = 4;
        if (cmd->argc < 4) {
-         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
              "Usage: /CMODE <channel> +|-<modes> [{ <arguments>}]");
          COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
          goto out;
@@ -1397,7 +1556,7 @@ SILC_CLIENT_CMD_FUNC(cmode)
        mode |= SILC_CHANNEL_MODE_CIPHER;
        type = 5;
        if (cmd->argc < 4) {
-         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
              "Usage: /CMODE <channel> +|-<modes> [{ <arguments>}]");
          COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
          goto out;
@@ -1413,7 +1572,7 @@ SILC_CLIENT_CMD_FUNC(cmode)
        mode |= SILC_CHANNEL_MODE_HMAC;
        type = 6;
        if (cmd->argc < 4) {
-         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
              "Usage: /CMODE <channel> +|-<modes> [{ <arguments>}]");
          COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
          goto out;
@@ -1426,13 +1585,29 @@ SILC_CLIENT_CMD_FUNC(cmode)
       break;
     case 'f':
       if (add) {
+       SilcPublicKey pubkey = cmd->client->public_key;
+       SilcPrivateKey privkey = cmd->client->private_key;
+
        mode |= SILC_CHANNEL_MODE_FOUNDER_AUTH;
        type = 7;
-       auth = silc_auth_public_key_auth_generate(cmd->client->public_key,
-                                                 cmd->client->private_key,
-                                                 cmd->client->rng, 
-                                                 cmd->client->internal->
-                                                 sha1hash,
+
+       if (cmd->argc >= 5) {
+         char *pass = "";
+         if (cmd->argc >= 6)
+           pass = cmd->argv[5];
+         if (!silc_load_key_pair(cmd->argv[3], cmd->argv[4], pass,
+                                 NULL, &pubkey, &privkey)) {
+           SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+               "Could not load key pair, check your arguments");
+           COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+           goto out;
+         }
+       }
+
+       pk = silc_pkcs_public_key_payload_encode(pubkey);
+       auth = silc_auth_public_key_auth_generate(pubkey, privkey,
+                                                 cmd->client->rng,
+                                                 cmd->client->sha1hash,
                                                  conn->local_id,
                                                  SILC_ID_CLIENT);
        arg = auth->data;
@@ -1441,6 +1616,65 @@ SILC_CLIENT_CMD_FUNC(cmode)
        mode &= ~SILC_CHANNEL_MODE_FOUNDER_AUTH;
       }
       break;
+    case 'C':
+      if (add) {
+       int k;
+       bool chadd = FALSE;
+       SilcPublicKey chpk = NULL;
+
+       mode |= SILC_CHANNEL_MODE_CHANNEL_AUTH;
+       type = 9;
+
+       if (cmd->argc == 3) {
+         /* Send empty command to receive the public key list. */
+         chidp = silc_id_payload_encode(channel->id, SILC_ID_CHANNEL);
+         silc_client_command_send(cmd->client, conn, SILC_COMMAND_CMODE,
+                                  0, 1, 1, chidp->data, chidp->len);
+         silc_buffer_free(chidp);
+
+         /* Notify application */
+         COMMAND(SILC_STATUS_OK);
+         goto out;
+       }
+
+       if (cmd->argc >= 4) {
+         auth = silc_buffer_alloc_size(2);
+         silc_buffer_format(auth,
+                            SILC_STR_UI_SHORT(cmd->argc - 3),
+                            SILC_STR_END);
+       }
+
+       for (k = 3; k < cmd->argc; k++) {
+         if (cmd->argv[k][0] == '+')
+           chadd = TRUE;
+         if (!silc_pkcs_load_public_key(cmd->argv[k] + 1, &chpk,
+                                        SILC_PKCS_FILE_PEM))
+           if (!silc_pkcs_load_public_key(cmd->argv[k] + 1, &chpk,
+                                          SILC_PKCS_FILE_BIN)) {
+             SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+                 "Could not load public key %s, check the filename",
+                 cmd->argv[k]);
+             COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+             silc_buffer_free(auth);
+             goto out;
+           }
+
+         if (chpk) {
+           pk = silc_pkcs_public_key_payload_encode(chpk);
+           auth = silc_argument_payload_encode_one(auth, pk->data, pk->len,
+                                                   chadd ? 0x00 : 0x01);
+           silc_pkcs_public_key_free(chpk);
+           silc_buffer_free(pk);
+           pk = NULL;
+         }
+       }
+
+       arg = auth->data;
+       arg_len = auth->len;
+      } else {
+       mode &= ~SILC_CHANNEL_MODE_CHANNEL_AUTH;
+      }
+      break;
     default:
       COMMAND_ERROR(SILC_STATUS_ERR_UNKNOWN_MODE);
       goto out;
@@ -1454,24 +1688,26 @@ SILC_CLIENT_CMD_FUNC(cmode)
   /* Send the command packet. We support sending only one mode at once
      that requires an argument. */
   if (type && arg) {
-    buffer = 
-      silc_command_payload_encode_va(SILC_COMMAND_CMODE, 0, 3, 
-                                    1, chidp->data, chidp->len, 
+    buffer =
+      silc_command_payload_encode_va(SILC_COMMAND_CMODE, 0, 4,
+                                    1, chidp->data, chidp->len,
                                     2, modebuf, sizeof(modebuf),
-                                    type, arg, arg_len);
+                                    type, arg, arg_len,
+                                    8, pk ? pk->data : NULL,
+                                    pk ? pk->len : 0);
   } else {
-    buffer = 
-      silc_command_payload_encode_va(SILC_COMMAND_CMODE, 0, 2, 
-                                    1, chidp->data, chidp->len, 
+    buffer =
+      silc_command_payload_encode_va(SILC_COMMAND_CMODE, 0, 2,
+                                    1, chidp->data, chidp->len,
                                     2, modebuf, sizeof(modebuf));
   }
 
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+  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(chidp);
-  if (auth)
-    silc_buffer_free(auth);
+  silc_buffer_free(auth);
+  silc_buffer_free(pk);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -1503,7 +1739,7 @@ SILC_CLIENT_CMD_FUNC(cumode)
   }
 
   if (cmd->argc < 4) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /CUMODE <channel> +|-<modes> <nickname>[@<server>]");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
@@ -1543,14 +1779,14 @@ SILC_CLIENT_CMD_FUNC(cumode)
 
     /* Client entry not found, it was requested thus mark this to be
        pending command. */
-    silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, 
-                               conn->cmd_ident,  
-                               silc_client_command_cumode, 
+    silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY,
+                               conn->cmd_ident,
+                               silc_client_command_cumode,
                                silc_client_command_dup(cmd));
     cmd->pending = 1;
     goto out;
   }
-  
+
   /* Get the current mode */
   chu = silc_client_on_channel(channel, client_entry);
   if (chu)
@@ -1580,11 +1816,25 @@ SILC_CLIENT_CMD_FUNC(cumode)
       break;
     case 'f':
       if (add) {
-       auth = silc_auth_public_key_auth_generate(cmd->client->public_key,
-                                                 cmd->client->private_key,
+       SilcPublicKey pubkey = cmd->client->public_key;
+       SilcPrivateKey privkey = cmd->client->private_key;
+
+       if (cmd->argc >= 6) {
+         char *pass = "";
+         if (cmd->argc >= 7)
+           pass = cmd->argv[6];
+         if (!silc_load_key_pair(cmd->argv[4], cmd->argv[5], pass,
+                                 NULL, &pubkey, &privkey)) {
+           SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+               "Could not load key pair, check your arguments");
+           COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
+           goto out;
+         }
+       }
+
+       auth = silc_auth_public_key_auth_generate(pubkey, privkey,
                                                  cmd->client->rng,
-                                                 cmd->client->internal->
-                                                 sha1hash,
+                                                 cmd->client->sha1hash,
                                                  conn->local_id,
                                                  SILC_ID_CLIENT);
        mode |= SILC_CHANNEL_UMODE_CHANFO;
@@ -1635,22 +1885,22 @@ 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, 
-                                         auth ? 4 : 3, 
-                                         1, chidp->data, chidp->len, 
+  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,
-                                         4, auth ? auth->data : NULL, 
+                                         4, auth ? auth->data : NULL,
                                          auth ? auth->len : 0);
-  
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+
+  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(chidp);
   silc_buffer_free(clidp);
   if (auth)
     silc_buffer_free(auth);
-  
+
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
 
@@ -1680,7 +1930,7 @@ SILC_CLIENT_CMD_FUNC(kick)
   }
 
   if (cmd->argc < 3) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /KICK <channel> <nickname> [<comment>]");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
@@ -1702,7 +1952,8 @@ SILC_CLIENT_CMD_FUNC(kick)
   }
 
   /* Get the Channel ID of the channel */
-  if (!silc_idcache_find_by_name_one(conn->channel_cache, name, &id_cache)) {
+  if (!silc_idcache_find_by_name_one(conn->internal->channel_cache,
+                                    name, &id_cache)) {
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ON_CHANNEL);
     goto out;
   }
@@ -1716,10 +1967,10 @@ SILC_CLIENT_CMD_FUNC(kick)
     nickname = strdup(cmd->argv[2]);
 
   /* Get the target client */
-  target = silc_idlist_get_client(cmd->client, conn, nickname, 
+  target = silc_idlist_get_client(cmd->client, conn, nickname,
                                  cmd->argv[2], FALSE);
   if (!target) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "No such client: %s", cmd->argv[2]);
     COMMAND_ERROR(SILC_STATUS_ERR_NO_SUCH_NICK);
     goto out;
@@ -1729,14 +1980,14 @@ SILC_CLIENT_CMD_FUNC(kick)
   idp = silc_id_payload_encode(id_cache->id, SILC_ID_CHANNEL);
   idp2 = silc_id_payload_encode(target->id, SILC_ID_CLIENT);
   if (cmd->argc == 3)
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_KICK, 0, 2, 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_KICK, 0, 2,
                                            1, idp->data, idp->len,
                                            2, idp2->data, idp2->len);
   else
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_KICK, 0, 3, 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_KICK, 0, 3,
                                            1, idp->data, idp->len,
                                            2, idp2->data, idp2->len,
-                                           3, cmd->argv[3], 
+                                           3, cmd->argv[3],
                                            strlen(cmd->argv[3]));
   silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL,
                          0, NULL, NULL, buffer->data, buffer->len, TRUE);
@@ -1763,7 +2014,8 @@ static void silc_client_command_oper_send(unsigned char *data,
     /* Encode the public key authentication payload */
     auth = silc_auth_public_key_auth_generate(cmd->client->public_key,
                                              cmd->client->private_key,
-                                             cmd->client->rng, conn->hash,
+                                             cmd->client->rng,
+                                             conn->internal->hash,
                                              conn->local_id,
                                              SILC_ID_CLIENT);
   } else {
@@ -1772,8 +2024,8 @@ static void silc_client_command_oper_send(unsigned char *data,
                                    data, data_len);
   }
 
-  buffer = silc_command_payload_encode_va(SILC_COMMAND_OPER, 0, 2, 
-                                         1, cmd->argv[1], 
+  buffer = silc_command_payload_encode_va(SILC_COMMAND_OPER, 0, 2,
+                                         1, cmd->argv[1],
                                          strlen(cmd->argv[1]),
                                          2, auth ? auth->data : NULL,
                                          auth ? auth->len : 0);
@@ -1781,6 +2033,7 @@ static void silc_client_command_oper_send(unsigned char *data,
                          0, NULL, NULL, buffer->data, buffer->len, TRUE);
 
   silc_buffer_free(buffer);
+  silc_buffer_clear(auth);
   silc_buffer_free(auth);
 
   /* Notify application */
@@ -1801,7 +2054,7 @@ SILC_CLIENT_CMD_FUNC(oper)
   }
 
   if (cmd->argc < 2) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /OPER <username> [-pubkey]");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
@@ -1822,7 +2075,7 @@ SILC_CLIENT_CMD_FUNC(oper)
 }
 
 static void silc_client_command_silcoper_send(unsigned char *data,
-                                             SilcUInt32 data_len, 
+                                             SilcUInt32 data_len,
                                              void *context)
 {
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
@@ -1833,7 +2086,8 @@ static void silc_client_command_silcoper_send(unsigned char *data,
     /* Encode the public key authentication payload */
     auth = silc_auth_public_key_auth_generate(cmd->client->public_key,
                                              cmd->client->private_key,
-                                             cmd->client->rng, conn->hash,
+                                             cmd->client->rng,
+                                             conn->internal->hash,
                                              conn->local_id,
                                              SILC_ID_CLIENT);
   } else {
@@ -1842,8 +2096,8 @@ static void silc_client_command_silcoper_send(unsigned char *data,
                                    data, data_len);
   }
 
-  buffer = silc_command_payload_encode_va(SILC_COMMAND_SILCOPER, 0, 2, 
-                                         1, cmd->argv[1], 
+  buffer = silc_command_payload_encode_va(SILC_COMMAND_SILCOPER, 0, 2,
+                                         1, cmd->argv[1],
                                          strlen(cmd->argv[1]),
                                          2, auth ? auth->data : NULL,
                                          auth ? auth->len : 0);
@@ -1851,6 +2105,7 @@ static void silc_client_command_silcoper_send(unsigned char *data,
                          0, NULL, NULL, buffer->data, buffer->len, TRUE);
 
   silc_buffer_free(buffer);
+  silc_buffer_clear(auth);
   silc_buffer_free(auth);
 
   /* Notify application */
@@ -1871,7 +2126,7 @@ SILC_CLIENT_CMD_FUNC(silcoper)
   }
 
   if (cmd->argc < 2) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /SILCOPER <username> [-pubkey]");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
@@ -1898,9 +2153,10 @@ SILC_CLIENT_CMD_FUNC(ban)
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
   SilcClientConnection conn = cmd->conn;
   SilcChannelEntry channel;
-  SilcBuffer buffer, chidp;
-  int type = 0;
+  SilcBuffer buffer, chidp, args = NULL;
   char *name, *ban = NULL;
+  unsigned char action[1];
+  SilcPublicKey pubkey = NULL;
 
   if (!cmd->conn) {
     SILC_NOT_CONNECTED(cmd->client, cmd->conn);
@@ -1909,7 +2165,7 @@ SILC_CLIENT_CMD_FUNC(ban)
   }
 
   if (cmd->argc < 2) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /BAN <channel> "
        "[+|-[<nickname>[@<server>[!<username>[@hostname>]]]]]");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
@@ -1935,25 +2191,51 @@ SILC_CLIENT_CMD_FUNC(ban)
 
   if (cmd->argc == 3) {
     if (cmd->argv[2][0] == '+')
-      type = 2;
+      action[0] = 0x00;
     else
-      type = 3;
+      action[0] = 0x01;
 
+    /* Check if it is public key file to be added to invite list */
+    if (!silc_pkcs_load_public_key(cmd->argv[2] + 1, &pubkey,
+                                  SILC_PKCS_FILE_PEM))
+      silc_pkcs_load_public_key(cmd->argv[2] + 1, &pubkey,
+                               SILC_PKCS_FILE_BIN);
     ban = cmd->argv[2];
-    ban++;
+    if (!pubkey)
+      ban++;
+  }
+
+  if (ban) {
+    args = silc_buffer_alloc_size(2);
+    silc_buffer_format(args,
+                      SILC_STR_UI_SHORT(1),
+                      SILC_STR_END);
+    if (pubkey) {
+      chidp = silc_pkcs_public_key_payload_encode(pubkey);
+      args = silc_argument_payload_encode_one(args, chidp->data,
+                                             chidp->len, 2);
+      silc_buffer_free(chidp);
+      silc_pkcs_public_key_free(pubkey);
+    } else {
+      args = silc_argument_payload_encode_one(args, ban, strlen(ban), 1);
+    }
   }
 
   chidp = silc_id_payload_encode(channel->id, SILC_ID_CHANNEL);
 
   /* Send the command */
-  buffer = silc_command_payload_encode_va(SILC_COMMAND_BAN, 
-                                         ++conn->cmd_ident, 2,
+  buffer = silc_command_payload_encode_va(SILC_COMMAND_BAN,
+                                         ++conn->cmd_ident, 3,
                                          1, chidp->data, chidp->len,
-                                         type, ban, ban ? strlen(ban) : 0);
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+                                         2, args ? action : NULL,
+                                         args ? 1 : 0,
+                                         3, args ? args->data : NULL,
+                                         args ? args->len : 0);
+  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(chidp);
+  silc_buffer_free(args);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -1978,7 +2260,7 @@ SILC_CLIENT_CMD_FUNC(detach)
 
   buffer = silc_command_payload_encode_va(SILC_COMMAND_DETACH,
                                          ++conn->cmd_ident, 0);
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL,
                          0, NULL, NULL, buffer->data, buffer->len, TRUE);
   silc_buffer_free(buffer);
 
@@ -2020,12 +2302,12 @@ SILC_CLIENT_CMD_FUNC(watch)
     goto out;
   }
 
-  buffer = silc_command_payload_encode_va(SILC_COMMAND_WATCH, 
+  buffer = silc_command_payload_encode_va(SILC_COMMAND_WATCH,
                                          ++conn->cmd_ident, 2,
                                          1, idp->data, idp->len,
                                          type, cmd->argv[2],
                                          cmd->argv_lens[2]);
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL,
                          0, NULL, NULL, buffer->data, buffer->len, TRUE);
   silc_buffer_free(buffer);
 
@@ -2045,7 +2327,6 @@ SILC_CLIENT_CMD_FUNC(leave)
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
   SilcClientConnection conn = cmd->conn;
   SilcChannelEntry channel;
-  SilcChannelUser chu;
   SilcBuffer buffer, idp;
   char *name;
 
@@ -2056,7 +2337,7 @@ SILC_CLIENT_CMD_FUNC(leave)
   }
 
   if (cmd->argc != 2) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /LEAVE <channel>");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
@@ -2079,19 +2360,11 @@ SILC_CLIENT_CMD_FUNC(leave)
     goto out;
   }
 
-  /* Remove us from channel */
-  chu = silc_client_on_channel(channel, conn->local_entry);
-  if (chu) {
-    silc_hash_table_del(chu->client->channels, chu->channel);
-    silc_hash_table_del(chu->channel->user_list, chu->client);
-    silc_free(chu);
-  }
-
   /* Send LEAVE command to the server */
   idp = silc_id_payload_encode(channel->id, SILC_ID_CHANNEL);
-  buffer = silc_command_payload_encode_va(SILC_COMMAND_LEAVE, 0, 1, 
+  buffer = silc_command_payload_encode_va(SILC_COMMAND_LEAVE, 0, 1,
                                          1, idp->data, idp->len);
-  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL, 
+  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);
@@ -2102,8 +2375,6 @@ SILC_CLIENT_CMD_FUNC(leave)
   if (conn->current_channel == channel)
     conn->current_channel = NULL;
 
-  silc_client_del_channel(cmd->client, cmd->conn, channel);
-
  out:
   silc_client_command_free(cmd);
 }
@@ -2125,7 +2396,7 @@ SILC_CLIENT_CMD_FUNC(users)
   }
 
   if (cmd->argc != 2) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /USERS <channel>");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
@@ -2142,11 +2413,11 @@ SILC_CLIENT_CMD_FUNC(users)
   }
 
   /* Send USERS command to the server */
-  buffer = silc_command_payload_encode_va(SILC_COMMAND_USERS, 
-                                         ++conn->cmd_ident, 1, 
+  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, 
+  silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND,
+                         NULL, 0, NULL, NULL, buffer->data,
                          buffer->len, TRUE);
   silc_buffer_free(buffer);
 
@@ -2178,7 +2449,7 @@ SILC_CLIENT_CMD_FUNC(getkey)
   }
 
   if (cmd->argc < 2) {
-    client->internal->ops->say(client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    client->internal->ops->say(client, conn, SILC_CLIENT_MESSAGE_INFO,
                     "Usage: /GETKEY <nickname or server name>");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
@@ -2205,14 +2476,14 @@ SILC_CLIENT_CMD_FUNC(getkey)
       if (!cmd->pending) {
        /* This will send the IDENTIFY command for nickname */
        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_getkey, 
+       silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY,
+                                   conn->cmd_ident,
+                                   silc_client_command_getkey,
                                    silc_client_command_dup(cmd));
        cmd->pending = 1;
        goto out;
       } else {
-       SilcClientCommandReplyContext reply = 
+       SilcClientCommandReplyContext reply =
          (SilcClientCommandReplyContext)context2;
        SilcStatus error;
 
@@ -2220,16 +2491,16 @@ SILC_CLIENT_CMD_FUNC(getkey)
        silc_command_get_status(reply->payload, NULL, &error);
        if (error == SILC_STATUS_ERR_NO_SUCH_NICK) {
          /* This sends the IDENTIFY command to resolve the server. */
-         silc_client_command_register(client, SILC_COMMAND_IDENTIFY, 
+         silc_client_command_register(client, SILC_COMMAND_IDENTIFY,
                                       NULL, NULL,
                                       silc_client_command_reply_identify_i, 0,
                                       ++conn->cmd_ident);
          silc_client_command_send(client, conn, SILC_COMMAND_IDENTIFY,
-                                  conn->cmd_ident, 1, 
+                                  conn->cmd_ident, 1,
                                   2, cmd->argv[1], cmd->argv_lens[1]);
-         silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, 
-                                     conn->cmd_ident, 
-                                     silc_client_command_getkey, 
+         silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY,
+                                     conn->cmd_ident,
+                                     silc_client_command_getkey,
                                      silc_client_command_dup(cmd));
          goto out;
        }
@@ -2237,9 +2508,9 @@ SILC_CLIENT_CMD_FUNC(getkey)
        /* If server was not found, then we've resolved both nickname and
           server and did not find anybody. */
        if (error == SILC_STATUS_ERR_NO_SUCH_SERVER) {
-         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR, "%s", 
+         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR, "%s",
             silc_get_status_message(SILC_STATUS_ERR_NO_SUCH_NICK));
-         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR, "%s", 
+         SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR, "%s",
            silc_get_status_message(error));
          COMMAND_ERROR(SILC_STATUS_ERR_NO_SUCH_NICK);
          goto out;
@@ -2255,9 +2526,9 @@ SILC_CLIENT_CMD_FUNC(getkey)
     idp = silc_id_payload_encode(client_entry->id, SILC_ID_CLIENT);
   }
 
-  buffer = silc_command_payload_encode_va(SILC_COMMAND_GETKEY, 0, 1, 
+  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, 
+  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);
@@ -2275,11 +2546,11 @@ SILC_CLIENT_CMD_FUNC(getkey)
    searched using the silc_client_command_find by that name.  The
    `command_function' is the function to be called when the command is
    executed, and the `command_reply_function' is the function to be
-   called after the server has sent reply back to the command. 
+   called after the server has sent reply back to the command.
 
    The `ident' is optional identifier for the command.  If non-zero
    the `command_reply_function' for the command type `command' will be
-   called only if the command reply sent by server includes the 
+   called only if the command reply sent by server includes the
    command identifier `ident'. Application usually does not need it
    and set it to zero value. */
 
@@ -2352,7 +2623,7 @@ SILC_CLIENT_CMD_FUNC(connect)
   }
 
   if (cmd->argc < 2) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /CONNECT <server> [<port>]");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
@@ -2364,13 +2635,13 @@ SILC_CLIENT_CMD_FUNC(connect)
   }
 
   if (cmd->argc == 3)
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_PRIV_CONNECT, 0, 2, 
-                                           1, cmd->argv[1], 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_PRIV_CONNECT, 0, 2,
+                                           1, cmd->argv[1],
                                            strlen(cmd->argv[1]),
                                            2, port, 4);
   else
     buffer = silc_command_payload_encode_va(SILC_COMMAND_PRIV_CONNECT, 0, 1,
-                                           1, cmd->argv[1], 
+                                           1, cmd->argv[1],
                                            strlen(cmd->argv[1]));
   silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL,
                          0, NULL, NULL, buffer->data, buffer->len, TRUE);
@@ -2385,7 +2656,7 @@ SILC_CLIENT_CMD_FUNC(connect)
 
 
 /* CLOSE command. Close server connection to the remote server */
+
 SILC_CLIENT_CMD_FUNC(close)
 {
   SilcClientCommandContext cmd = (SilcClientCommandContext)context;
@@ -2401,7 +2672,7 @@ SILC_CLIENT_CMD_FUNC(close)
   }
 
   if (cmd->argc < 2) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "Usage: /CLOSE <server> [<port>]");
     COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
     goto out;
@@ -2413,13 +2684,13 @@ SILC_CLIENT_CMD_FUNC(close)
   }
 
   if (cmd->argc == 3)
-    buffer = silc_command_payload_encode_va(SILC_COMMAND_PRIV_CLOSE, 0, 2, 
-                                           1, cmd->argv[1], 
+    buffer = silc_command_payload_encode_va(SILC_COMMAND_PRIV_CLOSE, 0, 2,
+                                           1, cmd->argv[1],
                                            strlen(cmd->argv[1]),
                                            2, port, 4);
   else
     buffer = silc_command_payload_encode_va(SILC_COMMAND_PRIV_CLOSE, 0, 1,
-                                           1, cmd->argv[1], 
+                                           1, cmd->argv[1],
                                            strlen(cmd->argv[1]));
   silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, NULL,
                          0, NULL, NULL, buffer->data, buffer->len, TRUE);
@@ -2431,7 +2702,7 @@ SILC_CLIENT_CMD_FUNC(close)
  out:
   silc_client_command_free(cmd);
 }
+
 /* SHUTDOWN command. Shutdowns the server. */
 
 SILC_CLIENT_CMD_FUNC(shutdown)
@@ -2445,7 +2716,7 @@ SILC_CLIENT_CMD_FUNC(shutdown)
   }
 
   /* Send the command */
-  silc_client_command_send(cmd->client, cmd->conn, 
+  silc_client_command_send(cmd->client, cmd->conn,
                           SILC_COMMAND_PRIV_SHUTDOWN, 0, 0);
 
   /* Notify application */
@@ -2460,7 +2731,7 @@ SILC_CLIENT_CMD_FUNC(shutdown)
 
 void silc_client_commands_register(SilcClient client)
 {
-  silc_list_init(client->internal->commands, struct SilcClientCommandStruct, 
+  silc_list_init(client->internal->commands, struct SilcClientCommandStruct,
                 next);
 
   SILC_CLIENT_CMD(whois, WHOIS, "WHOIS", 3);
@@ -2471,7 +2742,7 @@ void silc_client_commands_register(SilcClient client)
   SILC_CLIENT_CMD(topic, TOPIC, "TOPIC", 3);
   SILC_CLIENT_CMD(invite, INVITE, "INVITE", 3);
   SILC_CLIENT_CMD(quit, QUIT, "QUIT", 2);
-  SILC_CLIENT_CMD(kill, KILL, "KILL", 3);
+  SILC_CLIENT_CMD(kill, KILL, "KILL", 4);
   SILC_CLIENT_CMD(info, INFO, "INFO", 2);
   SILC_CLIENT_CMD(stats, STATS, "STATS", 0);
   SILC_CLIENT_CMD(ping, PING, "PING", 2);
@@ -2479,8 +2750,8 @@ void silc_client_commands_register(SilcClient client)
   SILC_CLIENT_CMD(join, JOIN, "JOIN", 9);
   SILC_CLIENT_CMD(motd, MOTD, "MOTD", 2);
   SILC_CLIENT_CMD(umode, UMODE, "UMODE", 2);
-  SILC_CLIENT_CMD(cmode, CMODE, "CMODE", 4);
-  SILC_CLIENT_CMD(cumode, CUMODE, "CUMODE", 5);
+  SILC_CLIENT_CMD(cmode, CMODE, "CMODE", 6);
+  SILC_CLIENT_CMD(cumode, CUMODE, "CUMODE", 9);
   SILC_CLIENT_CMD(kick, KICK, "KICK", 4);
   SILC_CLIENT_CMD(ban, BAN, "BAN", 3);
   SILC_CLIENT_CMD(detach, DETACH, "DETACH", 0);
@@ -2564,7 +2835,7 @@ void silc_client_command_process(SilcClient client,
 
   /* Get arguments */
   args = silc_command_get_args(payload);
-  
+
   /* Get the command */
   command = silc_command_get(payload);
   switch (command) {
@@ -2619,7 +2890,7 @@ void silc_client_command_process_whois(SilcClient client,
                                         silc_command_get_ident(payload),
                                         1, 11, buffer->data, buffer->len);
   silc_client_packet_send(client, sock, SILC_PACKET_COMMAND_REPLY,
-                         NULL, 0, NULL, NULL, packet->data, 
+                         NULL, 0, NULL, NULL, packet->data,
                          packet->len, TRUE);
   silc_buffer_free(packet);
   silc_buffer_free(buffer);