updates.
[silc.git] / lib / silcclient / command_reply.c
index f775d60c6fdbb82513df57edf38751e8b6298d4b..85609d337d0db7c21173c9f91208d93c359e9d22 100644 (file)
@@ -1,22 +1,22 @@
 /*
 
-  command_reply.c
+  command_reply.c 
 
-  Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
+  Author: Pekka Riikonen <priikone@silcnet.org>
 
-  Copyright (C) 1997 - 2001 Pekka Riikonen
+  Copyright (C) 1997 - 2002 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
-  the Free Software Foundation; either version 2 of the License, or
-  (at your option) any later version.
-  
+  the Free Software Foundation; version 2 of the License.
+
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
 */
+/* $Id$ */
 /*
  * Command reply functions are "the otherside" of the command functions.
  * Reply to a command sent by server is handled by these functions.
  * necessary data already in hand without redundant searching.  If ID is
  * received but ID entry does not exist, NULL is sent.
  */
-/* $Id$ */
 
-#include "clientlibincludes.h"
+#include "silcincludes.h"
+#include "silcclient.h"
 #include "client_internal.h"
 
-/* Client command reply list. */
-SilcClientCommandReply silc_command_reply_list[] =
-{
-  SILC_CLIENT_CMD_REPLY(whois, WHOIS),
-  SILC_CLIENT_CMD_REPLY(whowas, WHOWAS),
-  SILC_CLIENT_CMD_REPLY(identify, IDENTIFY),
-  SILC_CLIENT_CMD_REPLY(nick, NICK),
-  SILC_CLIENT_CMD_REPLY(list, LIST),
-  SILC_CLIENT_CMD_REPLY(topic, TOPIC),
-  SILC_CLIENT_CMD_REPLY(invite, INVITE),
-  SILC_CLIENT_CMD_REPLY(kill, KILL),
-  SILC_CLIENT_CMD_REPLY(info, INFO),
-  SILC_CLIENT_CMD_REPLY(connect, CONNECT),
-  SILC_CLIENT_CMD_REPLY(ping, PING),
-  SILC_CLIENT_CMD_REPLY(oper, OPER),
-  SILC_CLIENT_CMD_REPLY(join, JOIN),
-  SILC_CLIENT_CMD_REPLY(motd, MOTD),
-  SILC_CLIENT_CMD_REPLY(umode, UMODE),
-  SILC_CLIENT_CMD_REPLY(cmode, CMODE),
-  SILC_CLIENT_CMD_REPLY(cumode, CUMODE),
-  SILC_CLIENT_CMD_REPLY(kick, KICK),
-  SILC_CLIENT_CMD_REPLY(ban, BAN),
-  SILC_CLIENT_CMD_REPLY(close, CLOSE),
-  SILC_CLIENT_CMD_REPLY(shutdown, SHUTDOWN),
-  SILC_CLIENT_CMD_REPLY(silcoper, SILCOPER),
-  SILC_CLIENT_CMD_REPLY(leave, LEAVE),
-  SILC_CLIENT_CMD_REPLY(users, USERS),
-  SILC_CLIENT_CMD_REPLY(getkey, GETKEY),
-
-  { NULL, 0 },
-};
-
 const SilcCommandStatusMessage silc_command_status_messages[] = {
 
   { STAT(NO_SUCH_NICK),      "There was no such nickname" },
   { STAT(NO_SUCH_CHANNEL),   "There was no such channel" },
-  { STAT(NO_SUCH_SERVER),    "No such server" },
+  { STAT(NO_SUCH_SERVER),    "There was no such server" },
   { STAT(TOO_MANY_TARGETS),  "Duplicate recipients. No message delivered" },
   { STAT(NO_RECIPIENT),      "No recipient given" },
   { STAT(UNKNOWN_COMMAND),   "Unknown command" },
@@ -111,41 +79,19 @@ const SilcCommandStatusMessage silc_command_status_messages[] = {
 
   { 0, NULL }
 };
-/* Command reply operation that is called at the end of all command replys. 
-   Usage: COMMAND_REPLY((ARGS, argument1, argument2, etc...)), */
-#define COMMAND_REPLY(args) cmd->client->ops->command_reply args
-#define ARGS cmd->client, cmd->sock->user_data, \
-             cmd->payload, TRUE, silc_command_get(cmd->payload), status
-
-/* Error reply to application. Usage: COMMAND_REPLY_ERROR; */
-#define COMMAND_REPLY_ERROR cmd->client->ops->command_reply(cmd->client, \
-  cmd->sock->user_data, cmd->payload, FALSE, \
-  silc_command_get(cmd->payload), status)
-
-/* All functions that call the COMMAND_CHECK_STATUS or the
-   COMMAND_CHECK_STATUS_LIST macros must have out: goto label. */
-
-#define COMMAND_CHECK_STATUS                                             \
-do {                                                                     \
-  SILC_LOG_DEBUG(("Start"));                                             \
-  SILC_GET16_MSB(status, silc_argument_get_arg_type(cmd->args, 1, NULL)); \
-  if (status != SILC_STATUS_OK)  {                                       \
-    COMMAND_REPLY_ERROR;                                                 \
-    goto out;                                                            \
-  }                                                                      \
-} while(0)
 
-#define COMMAND_CHECK_STATUS_LIST                                        \
-do {                                                                     \
-  SILC_LOG_DEBUG(("Start"));                                             \
-  SILC_GET16_MSB(status, silc_argument_get_arg_type(cmd->args, 1, NULL)); \
-  if (status != SILC_STATUS_OK &&                                        \
-      status != SILC_STATUS_LIST_START &&                                \
-      status != SILC_STATUS_LIST_ITEM &&                                 \
-      status != SILC_STATUS_LIST_END) {                                          \
-    COMMAND_REPLY_ERROR;                                                 \
-    goto out;                                                            \
-  }                                                                      \
+#define SAY cmd->client->internal->ops->say
+
+/* All functions that call the COMMAND_CHECK_STATUS macro must have 
+   out: goto label. */
+
+#define COMMAND_CHECK_STATUS                                   \
+do {                                                           \
+  SILC_LOG_DEBUG(("Start"));                                   \
+  if (!silc_command_get_status(cmd->payload, NULL, NULL)) {    \
+    COMMAND_REPLY_ERROR;                                       \
+    goto out;                                                  \
+  }                                                            \
 } while(0)
 
 /* Process received command reply. */
@@ -155,14 +101,14 @@ void silc_client_command_reply_process(SilcClient client,
                                       SilcPacketContext *packet)
 {
   SilcBuffer buffer = packet->buffer;
-  SilcClientCommandReply *cmd;
+  SilcClientCommand cmd;
   SilcClientCommandReplyContext ctx;
   SilcCommandPayload payload;
   SilcCommand command;
-  uint16 ident;
-
+  SilcCommandCb reply = NULL;
+  
   /* Get command reply payload from packet */
-  payload = silc_command_payload_parse(buffer);
+  payload = silc_command_payload_parse(buffer->data, buffer->len);
   if (!payload) {
     /* Silently ignore bad reply packet */
     SILC_LOG_DEBUG(("Bad command reply packet"));
@@ -177,24 +123,36 @@ void silc_client_command_reply_process(SilcClient client,
   ctx->payload = payload;
   ctx->args = silc_command_get_args(ctx->payload);
   ctx->packet = packet;
-  ident = silc_command_get_ident(ctx->payload);
-      
+  ctx->ident = silc_command_get_ident(ctx->payload);
+  silc_command_get_status(ctx->payload, &ctx->status, &ctx->error);
+
   /* Check for pending commands and mark to be exeucted */
   silc_client_command_pending_check(sock->user_data, ctx, 
-                                   silc_command_get(ctx->payload), ident);
+                                   silc_command_get(ctx->payload), 
+                                   ctx->ident);
 
   /* Execute command reply */
+
   command = silc_command_get(ctx->payload);
-  for (cmd = silc_command_reply_list; cmd->cb; cmd++)
-    if (cmd->cmd == command)
-      break;
 
-  if (cmd == NULL || !cmd->cb) {
-    silc_free(ctx);
-    return;
+  /* Try to find matching the command identifier */
+  silc_list_start(client->internal->commands);
+  while ((cmd = silc_list_get(client->internal->commands)) != SILC_LIST_END) {
+    if (cmd->cmd == command && !cmd->ident)
+      reply = cmd->reply;
+    if (cmd->cmd == command && cmd->ident == ctx->ident) {
+      (*cmd->reply)((void *)ctx, NULL);
+      break;
+    }
   }
 
-  cmd->cb(ctx, NULL);
+  if (cmd == SILC_LIST_END) {
+    if (reply)
+      /* No specific identifier for command reply, call first one found */
+      (*reply)(ctx, NULL);
+    else
+      silc_free(ctx);
+  }
 }
 
 /* Returns status message string */
@@ -226,33 +184,32 @@ void silc_client_command_reply_free(SilcClientCommandReplyContext cmd)
 
 static void 
 silc_client_command_reply_whois_save(SilcClientCommandReplyContext cmd,
-                                    SilcCommandStatus status)
+                                    SilcCommandStatus status,
+                                    bool notify)
 {
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
   SilcClientID *client_id;
-  SilcIDCacheEntry id_cache = NULL;
   SilcClientEntry client_entry = NULL;
-  int argc;
-  uint32 len;
+  SilcUInt32 len;
   unsigned char *id_data, *tmp;
   char *nickname = NULL, *username = NULL;
   char *realname = NULL;
-  uint32 idle = 0, mode = 0;
-  SilcBuffer channels = NULL;
+  SilcUInt32 idle = 0, mode = 0;
+  SilcBufferStruct channels;
   unsigned char *fingerprint;
-  uint32 fingerprint_len;
+  SilcUInt32 fingerprint_len;
   
-  argc = silc_argument_get_arg_num(cmd->args);
-
   id_data = silc_argument_get_arg_type(cmd->args, 2, &len);
   if (!id_data) {
-    COMMAND_REPLY_ERROR;
+    if (notify)
+      COMMAND_REPLY_ERROR;
     return;
   }
   
-  client_id = silc_id_payload_parse_id(id_data, len);
+  client_id = silc_id_payload_parse_id(id_data, len, NULL);
   if (!client_id) {
-    COMMAND_REPLY_ERROR;
+    if (notify)
+      COMMAND_REPLY_ERROR;
     return;
   }
   
@@ -260,16 +217,14 @@ silc_client_command_reply_whois_save(SilcClientCommandReplyContext cmd,
   username = silc_argument_get_arg_type(cmd->args, 4, &len);
   realname = silc_argument_get_arg_type(cmd->args, 5, &len);
   if (!nickname || !username || !realname) {
-    COMMAND_REPLY_ERROR;
+    if (notify)
+      COMMAND_REPLY_ERROR;
     return;
   }
 
   tmp = silc_argument_get_arg_type(cmd->args, 6, &len);
-  if (tmp) {
-    channels = silc_buffer_alloc(len);
-    silc_buffer_pull_tail(channels, SILC_BUFFER_END(channels));
-    silc_buffer_put(channels, tmp, len);
-  }
+  if (tmp)
+    silc_buffer_set(&channels, tmp, len);
 
   tmp = silc_argument_get_arg_type(cmd->args, 7, &len);
   if (tmp)
@@ -282,26 +237,20 @@ silc_client_command_reply_whois_save(SilcClientCommandReplyContext cmd,
   fingerprint = silc_argument_get_arg_type(cmd->args, 9, &fingerprint_len);
 
   /* Check if we have this client cached already. */
-  if (!silc_idcache_find_by_id_one_ext(conn->client_cache, (void *)client_id, 
-                                      NULL, NULL, 
-                                      silc_hash_client_id_compare, NULL,
-                                      &id_cache)) {
+  client_entry = silc_client_get_client_by_id(cmd->client, conn, client_id);
+  if (!client_entry) {
     SILC_LOG_DEBUG(("Adding new client entry"));
     client_entry = 
       silc_client_add_client(cmd->client, conn, nickname, username, realname,
                             client_id, mode);
   } else {
-    client_entry = (SilcClientEntry)id_cache->context;
     silc_client_update_client(cmd->client, conn, client_entry, 
                              nickname, username, realname, mode);
     silc_free(client_id);
   }
 
   if (fingerprint && !client_entry->fingerprint) {
-    client_entry->fingerprint = 
-      silc_calloc(fingerprint_len, 
-                 sizeof(*client_entry->fingerprint));
-    memcpy(client_entry->fingerprint, fingerprint, fingerprint_len);
+    client_entry->fingerprint = silc_memdup(fingerprint, fingerprint_len);
     client_entry->fingerprint_len = fingerprint_len;
   }
 
@@ -309,12 +258,9 @@ silc_client_command_reply_whois_save(SilcClientCommandReplyContext cmd,
     client_entry->status &= ~SILC_CLIENT_STATUS_RESOLVING;
 
   /* Notify application */
-  if (!cmd->callback)
+  if (!cmd->callback && notify)
     COMMAND_REPLY((ARGS, client_entry, nickname, username, realname, 
-                  channels, mode, idle, fingerprint));
-
-  if (channels)
-    silc_buffer_free(channels);
+                  &channels, mode, idle, fingerprint));
 }
 
 /* Received reply for WHOIS command. This maybe called several times
@@ -323,23 +269,43 @@ silc_client_command_reply_whois_save(SilcClientCommandReplyContext cmd,
 SILC_CLIENT_CMD_REPLY_FUNC(whois)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
-  SilcCommandStatus status;
+  SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
 
-  COMMAND_CHECK_STATUS_LIST;
+  COMMAND_CHECK_STATUS;
 
   /* Save WHOIS info */
-  silc_client_command_reply_whois_save(cmd, status);
+  silc_client_command_reply_whois_save(cmd, cmd->status, TRUE);
 
   /* Pending callbacks are not executed if this was an list entry */
-  if (status != SILC_STATUS_OK &&
-      status != SILC_STATUS_LIST_END) {
+  if (cmd->status != SILC_STATUS_OK &&
+      cmd->status != SILC_STATUS_LIST_END) {
     silc_client_command_reply_free(cmd);
     return;
   }
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_WHOIS);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_WHOIS);
+
+  /* If we received notify for invalid ID we'll remove the ID if we
+     have it cached. */
+  if (cmd->error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
+    SilcClientEntry client_entry;
+    SilcUInt32 tmp_len;
+    unsigned char *tmp =
+      silc_argument_get_arg_type(silc_command_get_args(cmd->payload),
+                                2, &tmp_len);
+    if (tmp) {
+      SilcClientID *client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+      if (client_id) {
+       client_entry = silc_client_get_client_by_id(cmd->client, conn,
+                                                   client_id);
+       if (client_entry)
+         silc_client_del_client(cmd->client, conn, client_entry);
+       silc_free(client_id);
+      }
+    }
+  }
+
   silc_client_command_reply_free(cmd);
 }
 
@@ -349,16 +315,14 @@ SILC_CLIENT_CMD_REPLY_FUNC(whowas)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
   SilcClientID *client_id;
-  SilcIDCacheEntry id_cache = NULL;
   SilcClientEntry client_entry = NULL;
-  uint32 len;
+  SilcUInt32 len;
   unsigned char *id_data;
   char *nickname, *username;
   char *realname = NULL;
 
-  COMMAND_CHECK_STATUS_LIST;
+  COMMAND_CHECK_STATUS;
 
   id_data = silc_argument_get_arg_type(cmd->args, 2, &len);
   if (!id_data) {
@@ -366,18 +330,14 @@ SILC_CLIENT_CMD_REPLY_FUNC(whowas)
     goto out;
   }
   
-  client_id = silc_id_payload_parse_id(id_data, len);
+  client_id = silc_id_payload_parse_id(id_data, len, NULL);
   if (!client_id) {
     COMMAND_REPLY_ERROR;
     goto out;
   }
 
   /* Get the client entry, if exists */
-  if (silc_idcache_find_by_id_one_ext(conn->client_cache, (void *)client_id, 
-                                     NULL, NULL, 
-                                     silc_hash_client_id_compare, NULL,
-                                     &id_cache)) 
-    client_entry = (SilcClientEntry)id_cache->context;
+  client_entry = silc_client_get_client_by_id(cmd->client, conn, client_id);
   silc_free(client_id);
 
   nickname = silc_argument_get_arg_type(cmd->args, 3, &len);
@@ -394,48 +354,46 @@ SILC_CLIENT_CMD_REPLY_FUNC(whowas)
   COMMAND_REPLY((ARGS, client_entry, nickname, username, realname));
 
   /* Pending callbacks are not executed if this was an list entry */
-  if (status != SILC_STATUS_OK &&
-      status != SILC_STATUS_LIST_END) {
+  if (cmd->status != SILC_STATUS_OK &&
+      cmd->status != SILC_STATUS_LIST_END) {
     silc_client_command_reply_free(cmd);
     return;
   }
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_WHOWAS);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_WHOWAS);
   silc_client_command_reply_free(cmd);
 }
 
 static void 
 silc_client_command_reply_identify_save(SilcClientCommandReplyContext cmd,
-                                       SilcCommandStatus status)
+                                       SilcCommandStatus status,
+                                       bool notify)
 {
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
   SilcClient client = cmd->client;
   SilcClientID *client_id = NULL;
   SilcServerID *server_id = NULL;
   SilcChannelID *channel_id = NULL;
-  SilcIDCacheEntry id_cache = NULL;
   SilcClientEntry client_entry;
   SilcServerEntry server_entry;
   SilcChannelEntry channel_entry;
-  int argc;
-  uint32 len;
+  SilcUInt32 len;
   unsigned char *id_data;
   char *name = NULL, *info = NULL;
   SilcIDPayload idp = NULL;
   SilcIdType id_type;
   
-  argc = silc_argument_get_arg_num(cmd->args);
-
   id_data = silc_argument_get_arg_type(cmd->args, 2, &len);
   if (!id_data) {
-    COMMAND_REPLY_ERROR;
+    if (notify)
+      COMMAND_REPLY_ERROR;
     return;
   }
-  idp = silc_id_payload_parse_data(id_data, len);
+  idp = silc_id_payload_parse(id_data, len);
   if (!idp) {
-    COMMAND_REPLY_ERROR;
+    if (notify)
+      COMMAND_REPLY_ERROR;
     return;
   }
 
@@ -451,17 +409,13 @@ silc_client_command_reply_identify_save(SilcClientCommandReplyContext cmd,
     SILC_LOG_DEBUG(("Received client information"));
 
     /* Check if we have this client cached already. */
-    if (!silc_idcache_find_by_id_one_ext(conn->client_cache, 
-                                        (void *)client_id, 
-                                        NULL, NULL, 
-                                        silc_hash_client_id_compare, NULL,
-                                        &id_cache)) {
+    client_entry = silc_client_get_client_by_id(cmd->client, conn, client_id);
+    if (!client_entry) {
       SILC_LOG_DEBUG(("Adding new client entry"));
       client_entry = 
        silc_client_add_client(cmd->client, conn, name, info, NULL,
                               silc_id_dup(client_id, id_type), 0);
     } else {
-      client_entry = (SilcClientEntry)id_cache->context;
       silc_client_update_client(cmd->client, conn, client_entry, 
                                name, info, NULL, 0);
     }
@@ -470,7 +424,8 @@ silc_client_command_reply_identify_save(SilcClientCommandReplyContext cmd,
       client_entry->status &= ~SILC_CLIENT_STATUS_RESOLVING;
 
     /* Notify application */
-    COMMAND_REPLY((ARGS, client_entry, name, info));
+    if (notify)
+      COMMAND_REPLY((ARGS, client_entry, name, info));
     break;
 
   case SILC_ID_SERVER:
@@ -479,26 +434,21 @@ silc_client_command_reply_identify_save(SilcClientCommandReplyContext cmd,
     SILC_LOG_DEBUG(("Received server information"));
 
     /* Check if we have this server cached already. */
-    if (!silc_idcache_find_by_id_one(conn->server_cache, 
-                                    (void *)server_id, &id_cache)) {
+    server_entry = silc_client_get_server_by_id(cmd->client, conn, server_id);
+    if (!server_entry) {
       SILC_LOG_DEBUG(("Adding new server entry"));
-      
-      server_entry = silc_calloc(1, sizeof(*server_entry));
-      server_entry->server_id = silc_id_dup(server_id, id_type);
-      if (name)
-       server_entry->server_name = strdup(name);
-      if (info)
-       server_entry->server_info = strdup(info);
-      
-      /* Add server to cache */
-      silc_idcache_add(conn->server_cache, server_entry->server_name,
-                      server_entry->server_id, (void *)server_entry, FALSE);
-    } else {
-      server_entry = (SilcServerEntry)id_cache->context;
+      server_entry = silc_client_add_server(cmd->client, conn, name, info,
+                                           silc_id_dup(server_id, id_type));
+      if (!server_entry) {
+       if (notify)
+         COMMAND_REPLY_ERROR;
+       return;
+      }
     }
 
     /* Notify application */
-    COMMAND_REPLY((ARGS, server_entry, name, info));
+    if (notify)
+      COMMAND_REPLY((ARGS, server_entry, name, info));
     break;
 
   case SILC_ID_CHANNEL:
@@ -507,20 +457,20 @@ silc_client_command_reply_identify_save(SilcClientCommandReplyContext cmd,
     SILC_LOG_DEBUG(("Received channel information"));
 
     /* Check if we have this channel cached already. */
-    if (!silc_idcache_find_by_id_one(conn->channel_cache, 
-                                    (void *)channel_id, &id_cache)) {
+    channel_entry = silc_client_get_channel_by_id(client, conn, channel_id);
+    if (!channel_entry) {
       if (!name)
        break;
 
-      SILC_LOG_DEBUG(("Adding new channel entry"));
-      channel_entry = silc_client_new_channel_id(client, conn->sock, 
-                                                strdup(name), 0, idp);
-    } else {
-      channel_entry = (SilcChannelEntry)id_cache->context;
+      /* Add new channel entry */
+      channel_entry = silc_client_add_channel(client, conn, name, 0,
+                                             channel_id);
+      channel_id = NULL;
     }
 
     /* Notify application */
-    COMMAND_REPLY((ARGS, channel_entry, name, info));
+    if (notify)
+      COMMAND_REPLY((ARGS, channel_entry, name, info));
     break;
   }
 
@@ -537,23 +487,43 @@ silc_client_command_reply_identify_save(SilcClientCommandReplyContext cmd,
 SILC_CLIENT_CMD_REPLY_FUNC(identify)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
-  SilcCommandStatus status;
+  SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
 
-  COMMAND_CHECK_STATUS_LIST;
+  COMMAND_CHECK_STATUS;
 
   /* Save IDENTIFY info */
-  silc_client_command_reply_identify_save(cmd, status);
+  silc_client_command_reply_identify_save(cmd, cmd->status, TRUE);
 
   /* Pending callbacks are not executed if this was an list entry */
-  if (status != SILC_STATUS_OK &&
-      status != SILC_STATUS_LIST_END) {
+  if (cmd->status != SILC_STATUS_OK &&
+      cmd->status != SILC_STATUS_LIST_END) {
     silc_client_command_reply_free(cmd);
     return;
   }
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_IDENTIFY);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_IDENTIFY);
+
+  /* If we received notify for invalid ID we'll remove the ID if we
+     have it cached. */
+  if (cmd->error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
+    SilcClientEntry client_entry;
+    SilcUInt32 tmp_len;
+    unsigned char *tmp =
+      silc_argument_get_arg_type(silc_command_get_args(cmd->payload),
+                                2, &tmp_len);
+    if (tmp) {
+      SilcClientID *client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+      if (client_id) {
+       client_entry = silc_client_get_client_by_id(cmd->client, conn,
+                                                   client_id);
+       if (client_entry)
+         silc_client_del_client(cmd->client, conn, client_entry);
+       silc_free(client_id);
+      }
+    }
+  }
+
   silc_client_command_reply_free(cmd);
 }
 
@@ -564,33 +534,31 @@ SILC_CLIENT_CMD_REPLY_FUNC(nick)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
   SilcIDPayload idp;
   unsigned char *tmp;
-  uint32 argc, len;
+  SilcUInt32 argc, len;
 
   SILC_LOG_DEBUG(("Start"));
 
-  SILC_GET16_MSB(status, silc_argument_get_arg_type(cmd->args, 1, NULL));
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-                         "Cannot set nickname: %s", 
-                         silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "Cannot set nickname: %s", 
+       silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
 
   argc = silc_argument_get_arg_num(cmd->args);
   if (argc < 2 || argc > 2) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-                         "Cannot set nickname: bad reply to command");
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "Cannot set nickname: bad reply to command");
     COMMAND_REPLY_ERROR;
     goto out;
   }
 
   /* Take received Client ID */
   tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
-  idp = silc_id_payload_parse_data(tmp, len);
+  idp = silc_id_payload_parse(tmp, len);
   if (!idp) {
     COMMAND_REPLY_ERROR;
     goto out;
@@ -600,13 +568,11 @@ SILC_CLIENT_CMD_REPLY_FUNC(nick)
   /* Notify application */
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_NICK);
   COMMAND_REPLY((ARGS, conn->local_entry));
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_NICK);
   silc_client_command_reply_free(cmd);
   return;
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_NICK);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_NICK);
   silc_client_command_reply_free(cmd);
 }
 
@@ -615,31 +581,64 @@ SILC_CLIENT_CMD_REPLY_FUNC(nick)
 SILC_CLIENT_CMD_REPLY_FUNC(list)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
-  SilcCommandStatus status;
+  SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
   unsigned char *tmp, *name, *topic;
-  uint32 usercount = 0;
+  SilcUInt32 usercount = 0, len;
+  SilcChannelID *channel_id = NULL;
+  SilcChannelEntry channel_entry;
+
+  COMMAND_CHECK_STATUS;
+
+  tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
+  if (!tmp) {
+    COMMAND_REPLY_ERROR;
+    goto out;
+  }
 
-  COMMAND_CHECK_STATUS_LIST;
+  channel_id = silc_id_payload_parse_id(tmp, len, NULL);
+  if (!channel_id) {
+    COMMAND_REPLY_ERROR;
+    goto out;
+  }
 
   name = silc_argument_get_arg_type(cmd->args, 3, NULL);
+  if (!name) {
+    COMMAND_REPLY_ERROR;
+    goto out;
+  }
+
   topic = silc_argument_get_arg_type(cmd->args, 4, NULL);
   tmp = silc_argument_get_arg_type(cmd->args, 5, NULL);
   if (tmp)
     SILC_GET32_MSB(usercount, tmp);
 
+  /* Check whether the channel exists, and add it to cache if it doesn't. */
+  channel_entry = silc_client_get_channel_by_id(cmd->client, conn, 
+                                               channel_id);
+  if (!channel_entry) {
+    /* Add new channel entry */
+    channel_entry = silc_client_add_channel(cmd->client, conn, name, 0,
+                                           channel_id);
+    if (!channel_entry) {
+      COMMAND_REPLY_ERROR;
+      goto out;
+    }
+    channel_id = NULL;
+  }
+
   /* Notify application */
-  COMMAND_REPLY((ARGS, NULL, name, topic, usercount));
+  COMMAND_REPLY((ARGS, channel_entry, name, topic, usercount));
 
   /* Pending callbacks are not executed if this was an list entry */
-  if (status != SILC_STATUS_OK &&
-      status != SILC_STATUS_LIST_END) {
+  if (cmd->status != SILC_STATUS_OK &&
+      cmd->status != SILC_STATUS_LIST_END) {
     silc_client_command_reply_free(cmd);
     return;
   }
 
  out:
+  silc_free(channel_id);
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_LIST);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_LIST);
   silc_client_command_reply_free(cmd);
 }
 
@@ -649,18 +648,15 @@ SILC_CLIENT_CMD_REPLY_FUNC(topic)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
   SilcChannelEntry channel;
   SilcChannelID *channel_id = NULL;
-  SilcIDCacheEntry id_cache = NULL;
   unsigned char *tmp;
   char *topic;
-  uint32 argc, len;
+  SilcUInt32 argc, len;
 
-  SILC_GET16_MSB(status, silc_argument_get_arg_type(cmd->args, 1, NULL));
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -681,26 +677,23 @@ SILC_CLIENT_CMD_REPLY_FUNC(topic)
   if (!topic)
     goto out;
 
-  channel_id = silc_id_payload_parse_id(tmp, len);
+  channel_id = silc_id_payload_parse_id(tmp, len, NULL);
   if (!channel_id)
     goto out;
 
   /* Get the channel entry */
-  if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
-                                  &id_cache)) {
+  channel = silc_client_get_channel_by_id(cmd->client, conn, channel_id);
+  if (!channel) {
     silc_free(channel_id);
     COMMAND_REPLY_ERROR;
     goto out;
   }
   
-  channel = (SilcChannelEntry)id_cache->context;
-
   /* Notify application */
   COMMAND_REPLY((ARGS, channel, topic));
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_TOPIC);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_TOPIC);
   silc_client_command_reply_free(cmd);
 }
 
@@ -710,18 +703,14 @@ SILC_CLIENT_CMD_REPLY_FUNC(invite)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
   SilcChannelEntry channel;
   SilcChannelID *channel_id;
-  SilcIDCacheEntry id_cache;
   unsigned char *tmp;
-  uint32 len;
+  SilcUInt32 len;
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -731,19 +720,17 @@ SILC_CLIENT_CMD_REPLY_FUNC(invite)
   if (!tmp)
     goto out;
 
-  channel_id = silc_id_payload_parse_id(tmp, len);
+  channel_id = silc_id_payload_parse_id(tmp, len, NULL);
   if (!channel_id)
     goto out;
 
   /* Get the channel entry */
-  if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
-                                  &id_cache)) {
+  channel = silc_client_get_channel_by_id(cmd->client, conn, channel_id);
+  if (!channel) {
     silc_free(channel_id);
     COMMAND_REPLY_ERROR;
     goto out;
   }
-  
-  channel = (SilcChannelEntry)id_cache->context;
 
   /* Get the invite list */
   tmp = silc_argument_get_arg_type(cmd->args, 3, &len);
@@ -753,7 +740,6 @@ SILC_CLIENT_CMD_REPLY_FUNC(invite)
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_INVITE);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_INVITE);
   silc_client_command_reply_free(cmd);
 }
 
@@ -763,12 +749,10 @@ SILC_CLIENT_CMD_REPLY_FUNC(kill)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
 
-  SILC_GET16_MSB(status, silc_argument_get_arg_type(cmd->args, 1, NULL));
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -778,7 +762,6 @@ SILC_CLIENT_CMD_REPLY_FUNC(kill)
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_KILL);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_KILL);
   silc_client_command_reply_free(cmd);
 }
 
@@ -789,19 +772,17 @@ SILC_CLIENT_CMD_REPLY_FUNC(info)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
   unsigned char *tmp;
-  SilcIDCacheEntry id_cache;
   SilcServerEntry server;
   SilcServerID *server_id = NULL;
   char *server_name, *server_info;
-  uint32 len;
+  SilcUInt32 len;
+
+  SILC_LOG_DEBUG(("Start"));
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR, "%s", 
+       silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -811,7 +792,7 @@ SILC_CLIENT_CMD_REPLY_FUNC(info)
   if (!tmp)
     goto out;
 
-  server_id = silc_id_payload_parse_id(tmp, len);
+  server_id = silc_id_payload_parse_id(tmp, len, NULL);
   if (!server_id)
     goto out;
 
@@ -826,31 +807,21 @@ SILC_CLIENT_CMD_REPLY_FUNC(info)
     goto out;
 
   /* See whether we have this server cached. If not create it. */
-  if (!silc_idcache_find_by_id_one(conn->server_cache, (void *)server_id,
-                                  &id_cache)) {
+  server = silc_client_get_server_by_id(cmd->client, conn, server_id);
+  if (!server) {
     SILC_LOG_DEBUG(("New server entry"));
-
-    server = silc_calloc(1, sizeof(*server));
-    server->server_name = strdup(server_name);
-    server->server_info = strdup(server_info);
-    server->server_id = silc_id_dup(server_id, SILC_ID_SERVER);
-
-    /* Add it to the cache */
-    silc_idcache_add(conn->server_cache, server->server_name,
-                    server->server_id, (void *)server, FALSE);
-
-    if (SILC_ID_SERVER_COMPARE(server_id, conn->remote_id))
+    server = silc_client_add_server(cmd->client, conn, server_name,
+                                   server_info,
+                                   silc_id_dup(server_id, SILC_ID_SERVER));
+    if (!server)
       goto out;
-  } else {
-    server = (SilcServerEntry)id_cache->context;
   }
-  
+
   /* Notify application */
   COMMAND_REPLY((ARGS, server, server->server_name, server->server_info));
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_INFO);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_INFO);
   silc_free(server_id);
   silc_client_command_reply_free(cmd);
 }
@@ -861,15 +832,13 @@ SILC_CLIENT_CMD_REPLY_FUNC(ping)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
   void *id;
   int i;
   time_t diff, curtime;
 
-  SILC_GET16_MSB(status, silc_argument_get_arg_type(cmd->args, 1, NULL));
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -887,10 +856,10 @@ SILC_CLIENT_CMD_REPLY_FUNC(ping)
       continue;
     if (SILC_ID_SERVER_COMPARE(conn->ping[i].dest_id, id)) {
       diff = curtime - conn->ping[i].start_time;
-      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
-                           "Ping reply from %s: %d second%s", 
-                           conn->ping[i].dest_name, diff, 
-                           diff == 1 ? "" : "s");
+      SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, 
+         "Ping reply from %s: %d second%s", 
+         conn->ping[i].dest_name, diff, 
+         diff == 1 ? "" : "s");
       
       conn->ping[i].start_time = 0;
       silc_free(conn->ping[i].dest_id);
@@ -908,7 +877,6 @@ SILC_CLIENT_CMD_REPLY_FUNC(ping)
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_PING);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_PING);
   silc_client_command_reply_free(cmd);
 }
 
@@ -918,30 +886,28 @@ SILC_CLIENT_CMD_REPLY_FUNC(join)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
-  SilcIDPayload idp = NULL;
   SilcChannelEntry channel;
-  SilcIDCacheEntry id_cache = NULL;
   SilcChannelUser chu;
-  uint32 argc, mode, len, list_count;
+  SilcChannelID *channel_id;
+  SilcUInt32 argc, mode = 0, len, list_count;
   char *topic, *tmp, *channel_name = NULL, *hmac;
   SilcBuffer keyp = NULL, client_id_list = NULL, client_mode_list = NULL;
   int i;
 
   SILC_LOG_DEBUG(("Start"));
 
-  SILC_GET16_MSB(status, silc_argument_get_arg_type(cmd->args, 1, NULL));
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    if (cmd->error != SILC_STATUS_ERR_USER_ON_CHANNEL)
+      SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+         "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
 
   argc = silc_argument_get_arg_num(cmd->args);
   if (argc < 7 || argc > 14) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "Cannot join channel: Bad reply packet");
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "Cannot join channel: Bad reply packet");
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -949,26 +915,24 @@ SILC_CLIENT_CMD_REPLY_FUNC(join)
   /* Get channel name */
   tmp = silc_argument_get_arg_type(cmd->args, 2, NULL);
   if (!tmp) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-                         "Cannot join channel: Bad reply packet");
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "Cannot join channel: Bad reply packet");
     COMMAND_REPLY_ERROR;
     goto out;
   }
-  channel_name = strdup(tmp);
+  channel_name = tmp;
 
   /* Get Channel ID */
   tmp = silc_argument_get_arg_type(cmd->args, 3, &len);
   if (!tmp) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-                         "Cannot join channel: Bad reply packet");
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "Cannot join channel: Bad reply packet");
     COMMAND_REPLY_ERROR;
-    silc_free(channel_name);
     goto out;
   }
-  idp = silc_id_payload_parse_data(tmp, len);
-  if (!idp) {
+  channel_id = silc_id_payload_parse_id(tmp, len, NULL);
+  if (!channel_id) {
     COMMAND_REPLY_ERROR;
-    silc_free(channel_name);
     goto out;
   }
 
@@ -976,8 +940,6 @@ SILC_CLIENT_CMD_REPLY_FUNC(join)
   tmp = silc_argument_get_arg_type(cmd->args, 5, NULL);
   if (tmp)
     SILC_GET32_MSB(mode, tmp);
-  else
-    mode = 0;
 
   /* Get channel key */
   tmp = silc_argument_get_arg_type(cmd->args, 7, &len);
@@ -990,15 +952,16 @@ SILC_CLIENT_CMD_REPLY_FUNC(join)
   /* Get topic */
   topic = silc_argument_get_arg_type(cmd->args, 10, NULL);
 
-  /* If we have the channel entry, remove it and create a new one */
+  /* Check whether we have this channel entry already. */
   channel = silc_client_get_channel(cmd->client, conn, channel_name);
-  if (channel)
-    silc_client_del_channel(cmd->client, conn, channel);
-
-  /* Save received Channel ID. This actually creates the channel */
-  channel = silc_client_new_channel_id(cmd->client, cmd->sock, channel_name, 
-                                      mode, idp);
-  silc_id_payload_free(idp);
+  if (channel) {
+    if (!SILC_ID_CHANNEL_COMPARE(channel->id, channel_id))
+      silc_client_replace_channel_id(cmd->client, conn, channel, channel_id);
+  } else {
+    /* Create new channel entry */
+    channel = silc_client_add_channel(cmd->client, conn, channel_name, 
+                                     mode, channel_id);
+  }
 
   conn->current_channel = channel;
 
@@ -1006,11 +969,9 @@ SILC_CLIENT_CMD_REPLY_FUNC(join)
   hmac = silc_argument_get_arg_type(cmd->args, 11, NULL);
   if (hmac) {
     if (!silc_hmac_alloc(hmac, NULL, &channel->hmac)) {
-      cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR, 
-                           "Cannot join channel: Unsupported HMAC `%s'",
-                           hmac);
+      SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR, 
+         "Cannot join channel: Unsupported HMAC `%s'", hmac);
       COMMAND_REPLY_ERROR;
-      silc_free(channel_name);
       goto out;
     }
   }
@@ -1041,15 +1002,15 @@ SILC_CLIENT_CMD_REPLY_FUNC(join)
 
   /* Add clients we received in the reply to the channel */
   for (i = 0; i < list_count; i++) {
-    uint16 idp_len;
-    uint32 mode;
+    SilcUInt16 idp_len;
+    SilcUInt32 mode;
     SilcClientID *client_id;
     SilcClientEntry client_entry;
 
     /* Client ID */
     SILC_GET16_MSB(idp_len, client_id_list->data + 2);
     idp_len += 4;
-    client_id = silc_id_payload_parse_id(client_id_list->data, idp_len);
+    client_id = silc_id_payload_parse_id(client_id_list->data, idp_len, NULL);
     if (!client_id)
       continue;
 
@@ -1057,27 +1018,25 @@ SILC_CLIENT_CMD_REPLY_FUNC(join)
     SILC_GET32_MSB(mode, client_mode_list->data);
 
     /* Check if we have this client cached already. */
-    if (!silc_idcache_find_by_id_one_ext(conn->client_cache, 
-                                        (void *)client_id, 
-                                        NULL, NULL, 
-                                        silc_hash_client_id_compare, NULL,
-                                        &id_cache)) {
+    client_entry = silc_client_get_client_by_id(cmd->client, conn, client_id);
+    if (!client_entry) {
       /* No, we don't have it, add entry for it. */
       client_entry = 
        silc_client_add_client(cmd->client, conn, NULL, NULL, NULL,
                               silc_id_dup(client_id, SILC_ID_CLIENT), 0);
-    } else {
-      /* Yes, we have it already */
-      client_entry = (SilcClientEntry)id_cache->context;
     }
 
-    /* Join the client to the channel */
-    chu = silc_calloc(1, sizeof(*chu));
-    chu->client = client_entry;
-    chu->mode = mode;
-    silc_list_add(channel->clients, chu);
-    silc_free(client_id);
+    /* Join client to the channel */
+    if (!silc_client_on_channel(channel, client_entry)) {
+      chu = silc_calloc(1, sizeof(*chu));
+      chu->client = client_entry;
+      chu->channel = channel;
+      chu->mode = mode;
+      silc_hash_table_add(channel->user_list, client_entry, chu);
+      silc_hash_table_add(client_entry->channels, channel, chu);
+    }
 
+    silc_free(client_id);
     silc_buffer_pull(client_id_list, idp_len);
     silc_buffer_pull(client_mode_list, 4);
   }
@@ -1087,11 +1046,8 @@ SILC_CLIENT_CMD_REPLY_FUNC(join)
                   client_mode_list->head);
 
   /* Save channel key */
-  if (!(channel->mode & SILC_CHANNEL_MODE_PRIVKEY))
-    silc_client_save_channel_key(conn, keyp, channel);
-
-  /* Client is now joined to the channel */
-  channel->on_channel = TRUE;
+  if (keyp && !(channel->mode & SILC_CHANNEL_MODE_PRIVKEY))
+    silc_client_save_channel_key(cmd->client, conn, keyp, channel);
 
   /* Notify application */
   COMMAND_REPLY((ARGS, channel_name, channel, mode, 0, 
@@ -1101,7 +1057,6 @@ SILC_CLIENT_CMD_REPLY_FUNC(join)
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_JOIN);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_JOIN);
   silc_client_command_reply_free(cmd);
 
   if (keyp)
@@ -1118,16 +1073,12 @@ SILC_CLIENT_CMD_REPLY_FUNC(motd)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
-  uint32 argc, i;
-  unsigned char *tmp;
+  SilcUInt32 argc, i;
   char *motd = NULL, *cp, line[256];
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     return;
   }
@@ -1156,8 +1107,7 @@ SILC_CLIENT_CMD_REPLY_FUNC(motd)
        if (i == 2)
          line[0] = ' ';
        
-       cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO,
-                             "%s", line);
+       SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_INFO, "%s", line);
        
        if (!strlen(cp))
          break;
@@ -1171,7 +1121,6 @@ SILC_CLIENT_CMD_REPLY_FUNC(motd)
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_MOTD);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_MOTD);
   silc_client_command_reply_free(cmd);
 }
 
@@ -1181,15 +1130,12 @@ SILC_CLIENT_CMD_REPLY_FUNC(umode)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
   unsigned char *tmp;
-  uint32 mode;
+  SilcUInt32 mode;
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1208,7 +1154,6 @@ SILC_CLIENT_CMD_REPLY_FUNC(umode)
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_UMODE);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_UMODE);
   silc_client_command_reply_free(cmd);
 }
 
@@ -1218,18 +1163,15 @@ SILC_CLIENT_CMD_REPLY_FUNC(cmode)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
   unsigned char *tmp;
-  uint32 mode;
-  SilcIDCacheEntry id_cache;
+  SilcUInt32 mode;
   SilcChannelID *channel_id;
   SilcChannelEntry channel;
-  uint32 len;
+  SilcUInt32 len;
 
-  SILC_GET16_MSB(status, silc_argument_get_arg_type(cmd->args, 1, NULL));
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1238,20 +1180,18 @@ SILC_CLIENT_CMD_REPLY_FUNC(cmode)
   tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
   if (!tmp)
     goto out;
-  channel_id = silc_id_payload_parse_id(tmp, len);
+  channel_id = silc_id_payload_parse_id(tmp, len, NULL);
   if (!channel_id)
     goto out;
 
   /* Get the channel entry */
-  if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
-                                  &id_cache)) {
+  channel = silc_client_get_channel_by_id(cmd->client, conn, channel_id);
+  if (!channel) {
     silc_free(channel_id);
     COMMAND_REPLY_ERROR;
     goto out;
   }
   
-  channel = (SilcChannelEntry)id_cache->context;
-
   /* Get channel mode */
   tmp = silc_argument_get_arg_type(cmd->args, 3, NULL);
   if (!tmp) {
@@ -1271,7 +1211,6 @@ SILC_CLIENT_CMD_REPLY_FUNC(cmode)
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_CMODE);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_CMODE);
   silc_client_command_reply_free(cmd);
 }
 
@@ -1281,20 +1220,17 @@ SILC_CLIENT_CMD_REPLY_FUNC(cumode)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
-  SilcIDCacheEntry id_cache = NULL;
   SilcClientID *client_id;
   SilcChannelID *channel_id;
   SilcClientEntry client_entry;
   SilcChannelEntry channel;
   SilcChannelUser chu;
   unsigned char *modev, *tmp, *id;
-  uint32 len, mode;
+  SilcUInt32 len, mode;
   
-  SILC_GET16_MSB(status, silc_argument_get_arg_type(cmd->args, 1, NULL));
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1310,20 +1246,18 @@ SILC_CLIENT_CMD_REPLY_FUNC(cumode)
   tmp = silc_argument_get_arg_type(cmd->args, 3, &len);
   if (!tmp)
     goto out;
-  channel_id = silc_id_payload_parse_id(tmp, len);
+  channel_id = silc_id_payload_parse_id(tmp, len, NULL);
   if (!channel_id)
     goto out;
 
   /* Get the channel entry */
-  if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
-                                  &id_cache)) {
+  channel = silc_client_get_channel_by_id(cmd->client, conn, channel_id);
+  if (!channel) {
     silc_free(channel_id);
     COMMAND_REPLY_ERROR;
     goto out;
   }
   
-  channel = (SilcChannelEntry)id_cache->context;
-
   /* Get Client ID */
   id = silc_argument_get_arg_type(cmd->args, 4, &len);
   if (!id) {
@@ -1331,7 +1265,7 @@ SILC_CLIENT_CMD_REPLY_FUNC(cumode)
     COMMAND_REPLY_ERROR;
     goto out;
   }
-  client_id = silc_id_payload_parse_id(id, len);
+  client_id = silc_id_payload_parse_id(id, len, NULL);
   if (!client_id) {
     silc_free(channel_id);
     COMMAND_REPLY_ERROR;
@@ -1339,27 +1273,19 @@ SILC_CLIENT_CMD_REPLY_FUNC(cumode)
   }
   
   /* Get client entry */
-  if (!silc_idcache_find_by_id_one_ext(conn->client_cache, (void *)client_id, 
-                                      NULL, NULL, 
-                                      silc_hash_client_id_compare, NULL,
-                                      &id_cache)) {
+  client_entry = silc_client_get_client_by_id(cmd->client, conn, client_id);
+  if (!client_entry) {
     silc_free(channel_id);
     silc_free(client_id);
     COMMAND_REPLY_ERROR;
     goto out;
   }
 
-  client_entry = (SilcClientEntry)id_cache->context;
-
   /* Save the mode */
   SILC_GET32_MSB(mode, modev);
-  silc_list_start(channel->clients);
-  while ((chu = silc_list_get(channel->clients)) != SILC_LIST_END) {
-    if (chu->client == client_entry) {
-      chu->mode = mode;
-      break;
-    }
-  }
+  chu = silc_client_on_channel(channel, client_entry);
+  if (chu)
+    chu->mode = mode;
 
   /* Notify application */
   COMMAND_REPLY((ARGS, mode, channel, client_entry));
@@ -1368,7 +1294,6 @@ SILC_CLIENT_CMD_REPLY_FUNC(cumode)
   
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_CUMODE);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_CUMODE);
   silc_client_command_reply_free(cmd);
 }
 
@@ -1376,14 +1301,10 @@ SILC_CLIENT_CMD_REPLY_FUNC(kick)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
-  unsigned char *tmp;
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1393,7 +1314,6 @@ SILC_CLIENT_CMD_REPLY_FUNC(kick)
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_KICK);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_KICK);
   silc_client_command_reply_free(cmd);
 }
 
@@ -1401,14 +1321,10 @@ SILC_CLIENT_CMD_REPLY_FUNC(silcoper)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
-  unsigned char *tmp;
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1418,7 +1334,6 @@ SILC_CLIENT_CMD_REPLY_FUNC(silcoper)
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_SILCOPER);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_SILCOPER);
   silc_client_command_reply_free(cmd);
 }
 
@@ -1426,14 +1341,10 @@ SILC_CLIENT_CMD_REPLY_FUNC(oper)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
-  unsigned char *tmp;
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1443,22 +1354,18 @@ SILC_CLIENT_CMD_REPLY_FUNC(oper)
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_OPER);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_OPER);
   silc_client_command_reply_free(cmd);
 }
 
-SILC_CLIENT_CMD_REPLY_FUNC(connect)
+SILC_CLIENT_CMD_REPLY_FUNC(detach)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
-  unsigned char *tmp;
+  SilcBuffer detach;
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1466,9 +1373,17 @@ SILC_CLIENT_CMD_REPLY_FUNC(connect)
   /* Notify application */
   COMMAND_REPLY((ARGS));
 
+  /* Generate the detachment data and deliver it to the client in the
+     detach client operation */
+  detach = silc_client_get_detach_data(cmd->client, conn);
+  if (detach) {
+    cmd->client->internal->ops->detach(cmd->client, conn, 
+                                      detach->data, detach->len);
+    silc_buffer_free(detach);
+  }
+
  out:
-  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_CONNECT);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_CONNECT);
+  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_DETACH);
   silc_client_command_reply_free(cmd);
 }
 
@@ -1476,18 +1391,14 @@ SILC_CLIENT_CMD_REPLY_FUNC(ban)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
-  SilcIDCacheEntry id_cache = NULL;
   SilcChannelEntry channel;
   SilcChannelID *channel_id;
   unsigned char *tmp;
-  uint32 len;
+  SilcUInt32 len;
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1497,20 +1408,18 @@ SILC_CLIENT_CMD_REPLY_FUNC(ban)
   if (!tmp)
     goto out;
 
-  channel_id = silc_id_payload_parse_id(tmp, len);
+  channel_id = silc_id_payload_parse_id(tmp, len, NULL);
   if (!channel_id)
     goto out;
 
   /* Get the channel entry */
-  if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
-                                  &id_cache)) {
+  channel = silc_client_get_channel_by_id(cmd->client, conn, channel_id);
+  if (!channel) {
     silc_free(channel_id);
     COMMAND_REPLY_ERROR;
     goto out;
   }
   
-  channel = (SilcChannelEntry)id_cache->context;
-
   /* Get the ban list */
   tmp = silc_argument_get_arg_type(cmd->args, 3, &len);
 
@@ -1519,125 +1428,105 @@ SILC_CLIENT_CMD_REPLY_FUNC(ban)
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_BAN);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_BAN);
   silc_client_command_reply_free(cmd);
 }
 
-SILC_CLIENT_CMD_REPLY_FUNC(close)
+/* Reply to LEAVE command. */
+
+SILC_CLIENT_CMD_REPLY_FUNC(leave)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
+  SilcChannelID *channel_id;
+  SilcChannelEntry channel = NULL;
   unsigned char *tmp;
+  SilcUInt32 len;
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
 
-  /* Notify application */
-  COMMAND_REPLY((ARGS));
+  /* From protocol version 1.1 we get the channel ID of the left channel */
+  tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
+  if (tmp) {
+    channel_id = silc_id_payload_parse_id(tmp, len, NULL);
+    if (!channel_id)
+      goto out;
 
- out:
-  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_CLOSE);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_CLOSE);
-  silc_client_command_reply_free(cmd);
-}
-SILC_CLIENT_CMD_REPLY_FUNC(shutdown)
-{
-  SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
-  SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
-  unsigned char *tmp;
+    /* Get the channel entry */
+    channel = silc_client_get_channel_by_id(cmd->client, conn, channel_id);
+    if (!channel) {
+      silc_free(channel_id);
+      COMMAND_REPLY_ERROR;
+      goto out;
+    }
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
-    COMMAND_REPLY_ERROR;
-    goto out;
+    silc_free(channel_id);
   }
 
   /* Notify application */
-  COMMAND_REPLY((ARGS));
+  COMMAND_REPLY((ARGS, channel));
 
  out:
-  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_SHUTDOWN);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_SHUTDOWN);
+  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_LEAVE);
   silc_client_command_reply_free(cmd);
 }
-/* Reply to LEAVE command. */
 
-SILC_CLIENT_CMD_REPLY_FUNC(leave)
+/* Channel resolving callback for USERS command reply. */
+
+static void silc_client_command_reply_users_cb(SilcClient client,
+                                              SilcClientConnection conn,
+                                              SilcChannelEntry *channels,
+                                              SilcUInt32 channels_count,
+                                              void *context)
 {
-  SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
-  SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
-  unsigned char *tmp;
+  if (!channels_count) {
+    SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
+    SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
+    cmd->status = cmd->error = SILC_STATUS_ERR_NO_SUCH_CHANNEL;
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
-    goto out;
+    SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_USERS);
+    silc_client_command_reply_free(cmd);
+    return;
   }
 
-  /* Notify application */
-  COMMAND_REPLY((ARGS));
-
- out:
-  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_LEAVE);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_LEAVE);
-  silc_client_command_reply_free(cmd);
+  silc_client_command_reply_users(context, NULL);
 }
 
-/* Reply to USERS command. Received list of client ID's and theirs modes
-   on the channel we requested. */
-
-SILC_CLIENT_CMD_REPLY_FUNC(users)
+static int
+silc_client_command_reply_users_save(SilcClientCommandReplyContext cmd,
+                                    SilcCommandStatus status,
+                                    bool notify,
+                                    SilcGetChannelCallback get_channel,
+                                    SilcCommandCb get_clients)
 {
-  SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
-  SilcIDCacheEntry id_cache = NULL;
   SilcChannelEntry channel;
+  SilcClientEntry client_entry;
   SilcChannelUser chu;
   SilcChannelID *channel_id = NULL;
-  SilcBuffer client_id_list = NULL;
-  SilcBuffer client_mode_list = NULL;
+  SilcBufferStruct client_id_list, client_mode_list;
   unsigned char *tmp;
-  uint32 tmp_len, list_count;
+  SilcUInt32 tmp_len, list_count;
   int i;
   unsigned char **res_argv = NULL;
-  uint32 *res_argv_lens = NULL, *res_argv_types = NULL, res_argc = 0;
+  SilcUInt32 *res_argv_lens = NULL, *res_argv_types = NULL, res_argc = 0;
 
   SILC_LOG_DEBUG(("Start"));
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-            "%s", silc_client_command_status_message(status));
-    COMMAND_REPLY_ERROR;
-    goto out;
-  }
-
   /* Get channel ID */
   tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
   if (!tmp) {
     COMMAND_REPLY_ERROR;
     goto out;
   }
-  channel_id = silc_id_payload_parse_id(tmp, tmp_len);
+  channel_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
   if (!channel_id) {
     COMMAND_REPLY_ERROR;
     goto out;
@@ -1657,10 +1546,7 @@ SILC_CLIENT_CMD_REPLY_FUNC(users)
     COMMAND_REPLY_ERROR;
     goto out;
   }
-
-  client_id_list = silc_buffer_alloc(tmp_len);
-  silc_buffer_pull_tail(client_id_list, tmp_len);
-  silc_buffer_put(client_id_list, tmp, tmp_len);
+  silc_buffer_set(&client_id_list, tmp, tmp_len);
 
   /* Get client mode list */
   tmp = silc_argument_get_arg_type(cmd->args, 5, &tmp_len);
@@ -1668,68 +1554,41 @@ SILC_CLIENT_CMD_REPLY_FUNC(users)
     COMMAND_REPLY_ERROR;
     goto out;
   }
-
-  client_mode_list = silc_buffer_alloc(tmp_len);
-  silc_buffer_pull_tail(client_mode_list, tmp_len);
-  silc_buffer_put(client_mode_list, tmp, tmp_len);
+  silc_buffer_set(&client_mode_list, tmp, tmp_len);
 
   /* Get channel entry */
-  if (!silc_idcache_find_by_id_one(conn->channel_cache, (void *)channel_id,
-                                  &id_cache)) {
+  channel = silc_client_get_channel_by_id(cmd->client, conn, channel_id);
+  if (!channel) {
     /* Resolve the channel from server */
-    silc_idlist_get_channel_by_id(cmd->client, conn, channel_id, TRUE);
-    
-    /* Register pending command callback. After we've received the channel
-       information we will reprocess this command reply by re-calling this
-       USERS command reply callback. */
-    silc_client_command_pending(conn, SILC_COMMAND_IDENTIFY, conn->cmd_ident,
-                               NULL, silc_client_command_reply_users, cmd);
-    return;
-  } else {
-    channel = (SilcChannelEntry)id_cache->context;
-  }
-
-  /* Remove old client list from channel. */
-  silc_list_start(channel->clients);
-  while ((chu = silc_list_get(channel->clients)) != SILC_LIST_END) {
-    silc_list_del(channel->clients, chu);
-    silc_free(chu);
+    silc_client_get_channel_by_id_resolve(cmd->client, conn, channel_id,
+                                         get_channel, cmd);
+    silc_free(channel_id);
+    return 1;
   }
 
   /* Cache the received Client ID's and modes. */
   for (i = 0; i < list_count; i++) {
-    uint16 idp_len;
-    uint32 mode;
+    SilcUInt16 idp_len;
+    SilcUInt32 mode;
     SilcClientID *client_id;
-    SilcClientEntry client;
 
     /* Client ID */
-    SILC_GET16_MSB(idp_len, client_id_list->data + 2);
+    SILC_GET16_MSB(idp_len, client_id_list.data + 2);
     idp_len += 4;
-    client_id = silc_id_payload_parse_id(client_id_list->data, idp_len);
+    client_id = silc_id_payload_parse_id(client_id_list.data, idp_len, NULL);
     if (!client_id)
       continue;
 
     /* Mode */
-    SILC_GET32_MSB(mode, client_mode_list->data);
+    SILC_GET32_MSB(mode, client_mode_list.data);
 
     /* Check if we have this client cached already. */
-    id_cache = NULL;
-    silc_idcache_find_by_id_one_ext(conn->client_cache, 
-                                   (void *)client_id, 
-                                   NULL, NULL, 
-                                   silc_hash_client_id_compare, NULL,
-                                   &id_cache);
-
-    if (!id_cache || !((SilcClientEntry)id_cache->context)->username ||
-       !((SilcClientEntry)id_cache->context)->realname) {
-
-      if (id_cache && id_cache->context) {
-       SilcClientEntry client_entry = (SilcClientEntry)id_cache->context;
+    client_entry = silc_client_get_client_by_id(cmd->client, conn, client_id);
+    if (!client_entry || !client_entry->username || !client_entry->realname) {
+      if (client_entry) {
        if (client_entry->status & SILC_CLIENT_STATUS_RESOLVING) {
-         client_entry->status &= ~SILC_CLIENT_STATUS_RESOLVING;
-         silc_buffer_pull(client_id_list, idp_len);
-         silc_buffer_pull(client_mode_list, 4);
+         silc_buffer_pull(&client_id_list, idp_len);
+         silc_buffer_pull(&client_mode_list, 4);
          continue;
        }
        client_entry->status |= SILC_CLIENT_STATUS_RESOLVING;
@@ -1744,24 +1603,24 @@ SILC_CLIENT_CMD_REPLY_FUNC(users)
                                   (res_argc + 1));
       res_argv_types = silc_realloc(res_argv_types, sizeof(*res_argv_types) *
                                    (res_argc + 1));
-      res_argv[res_argc] = client_id_list->data;
+      res_argv[res_argc] = client_id_list.data;
       res_argv_lens[res_argc] = idp_len;
       res_argv_types[res_argc] = res_argc + 3;
       res_argc++;
     } else {
-      /* Found the client, join it to the channel */
-      client = (SilcClientEntry)id_cache->context;
-      chu = silc_calloc(1, sizeof(*chu));
-      chu->client = client;
-      chu->mode = mode;
-      silc_list_add(channel->clients, chu);
-
-      silc_free(client_id);
-      id_cache = NULL;
+      if (!silc_client_on_channel(channel, client_entry)) {
+       chu = silc_calloc(1, sizeof(*chu));
+       chu->client = client_entry;
+       chu->mode = mode;
+       chu->channel = channel;
+       silc_hash_table_add(channel->user_list, client_entry, chu);
+       silc_hash_table_add(client_entry->channels, channel, chu);
+      }
     }
 
-    silc_buffer_pull(client_id_list, idp_len);
-    silc_buffer_pull(client_mode_list, 4);
+    silc_free(client_id);
+    silc_buffer_pull(&client_id_list, idp_len);
+    silc_buffer_pull(&client_mode_list, 4);
   }
 
   /* Query the client information from server if the list included clients
@@ -1770,9 +1629,12 @@ SILC_CLIENT_CMD_REPLY_FUNC(users)
     SilcBuffer res_cmd;
 
     /* Send the WHOIS command to server */
+    silc_client_command_register(cmd->client, SILC_COMMAND_WHOIS, NULL, NULL,
+                                silc_client_command_reply_whois_i, 0,
+                                ++conn->cmd_ident);
     res_cmd = silc_command_payload_encode(SILC_COMMAND_WHOIS,
                                          res_argc, res_argv, res_argv_lens,
-                                         res_argv_types, ++conn->cmd_ident);
+                                         res_argv_types, conn->cmd_ident);
     silc_client_packet_send(cmd->client, conn->sock, SILC_PACKET_COMMAND, 
                            NULL, 0, NULL, NULL, res_cmd->data, res_cmd->len,
                            TRUE);
@@ -1781,30 +1643,56 @@ SILC_CLIENT_CMD_REPLY_FUNC(users)
        command reply we will reprocess this command reply by re-calling this
        USERS command reply callback. */
     silc_client_command_pending(conn, SILC_COMMAND_WHOIS, conn->cmd_ident,
-                               NULL, silc_client_command_reply_users, cmd);
+                               get_clients, cmd);
 
     silc_buffer_free(res_cmd);
-    if (channel_id)
-      silc_free(channel_id);
-
+    silc_free(channel_id);
     silc_free(res_argv);
     silc_free(res_argv_lens);
     silc_free(res_argv_types);
-    return;
+    return 1;
   }
+  
+  silc_buffer_push(&client_id_list, (client_id_list.data - 
+                                    client_id_list.head));
+  silc_buffer_push(&client_mode_list, (client_mode_list.data - 
+                                      client_mode_list.head));
 
   /* Notify application */
-  COMMAND_REPLY((ARGS, channel, list_count, client_id_list, client_mode_list));
+  if (notify)
+    COMMAND_REPLY((ARGS, channel, list_count, &client_id_list, 
+                  &client_mode_list));
+
+ out:
+  silc_free(channel_id);
+  return 0;
+}
+
+/* Reply to USERS command. Received list of client ID's and theirs modes
+   on the channel we requested. */
+
+SILC_CLIENT_CMD_REPLY_FUNC(users)
+{
+  SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
+  SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
+
+  SILC_LOG_DEBUG(("Start"));
+
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
+    COMMAND_REPLY_ERROR;
+    goto out;
+  }
+
+  if (silc_client_command_reply_users_save(cmd, cmd->status, TRUE,
+                                          silc_client_command_reply_users_cb,
+                                          silc_client_command_reply_users))
+    return;
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_USERS);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_USERS);
   silc_client_command_reply_free(cmd);
-  silc_free(channel_id);
-  if (client_id_list)
-    silc_buffer_free(client_id_list);
-  if (client_mode_list)
-    silc_buffer_free(client_mode_list);
 }
 
 /* Received command reply to GETKEY command. WE've received the remote
@@ -1814,8 +1702,6 @@ SILC_CLIENT_CMD_REPLY_FUNC(getkey)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
-  SilcIDCacheEntry id_cache;
   SilcIDPayload idp = NULL;
   SilcClientID *client_id = NULL;
   SilcClientEntry client_entry;
@@ -1823,18 +1709,16 @@ SILC_CLIENT_CMD_REPLY_FUNC(getkey)
   SilcServerEntry server_entry;
   SilcSKEPKType type;
   unsigned char *tmp, *pk;
-  uint32 len;
-  uint16 pk_len;
+  SilcUInt32 len;
+  SilcUInt16 pk_len;
   SilcIdType id_type;
   SilcPublicKey public_key = NULL;
 
   SILC_LOG_DEBUG(("Start"));
 
-  tmp = silc_argument_get_arg_type(cmd->args, 1, NULL);
-  SILC_GET16_MSB(status, tmp);
-  if (status != SILC_STATUS_OK) {
-    cmd->client->ops->say(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-                         "%s", silc_client_command_status_message(status));
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1844,7 +1728,7 @@ SILC_CLIENT_CMD_REPLY_FUNC(getkey)
     COMMAND_REPLY_ERROR;
     goto out;
   }
-  idp = silc_id_payload_parse_data(tmp, len);
+  idp = silc_id_payload_parse(tmp, len);
   if (!idp) {
     COMMAND_REPLY_ERROR;
     goto out;
@@ -1858,52 +1742,38 @@ SILC_CLIENT_CMD_REPLY_FUNC(getkey)
     SILC_GET16_MSB(type, tmp + 2);
     pk = tmp + 4;
     
-    if (type != SILC_SKE_PK_TYPE_SILC) {
-      COMMAND_REPLY_ERROR;
-      goto out;
-    }
-    
-    if (!silc_pkcs_public_key_decode(pk, pk_len, &public_key)) {
-      COMMAND_REPLY_ERROR;
-      goto out;
-    }
+    if (type == SILC_SKE_PK_TYPE_SILC)
+      if (!silc_pkcs_public_key_decode(pk, pk_len, &public_key))
+       public_key = NULL;
   } 
    
   id_type = silc_id_payload_get_type(idp);
   if (id_type == SILC_ID_CLIENT) {
     /* Received client's public key */
     client_id = silc_id_payload_get_id(idp);
-    if (!silc_idcache_find_by_id_one_ext(conn->client_cache, 
-                                        (void *)client_id, 
-                                        NULL, NULL, 
-                                        silc_hash_client_id_compare, NULL,
-                                        &id_cache)) {
+    client_entry = silc_client_get_client_by_id(cmd->client, conn, client_id);
+    if (!client_entry) {
       COMMAND_REPLY_ERROR;
       goto out;
     }
 
-    client_entry = (SilcClientEntry)id_cache->context;
-
     /* Notify application */
     COMMAND_REPLY((ARGS, id_type, client_entry, public_key));
   } else if (id_type == SILC_ID_SERVER) {
     /* Received server's public key */
     server_id = silc_id_payload_get_id(idp);
-    if (!silc_idcache_find_by_id_one(conn->server_cache, (void *)server_id,
-                                    &id_cache)) {
+    server_entry = silc_client_get_server_by_id(cmd->client, conn, server_id);
+    if (!server_entry) {
       COMMAND_REPLY_ERROR;
       goto out;
     }
 
-    server_entry = (SilcServerEntry)id_cache->context;
-
     /* Notify application */
     COMMAND_REPLY((ARGS, id_type, server_entry, public_key));
   }
 
  out:
   SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_GETKEY);
-  SILC_CLIENT_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_GETKEY);
   if (idp)
     silc_id_payload_free(idp);
   if (public_key)
@@ -1912,3 +1782,277 @@ SILC_CLIENT_CMD_REPLY_FUNC(getkey)
   silc_free(server_id);
   silc_client_command_reply_free(cmd);
 }
+
+SILC_CLIENT_CMD_REPLY_FUNC(quit)
+{
+  silc_client_command_reply_free(context);
+}
+
+
+/******************************************************************************
+
+                      Internal command reply functions
+
+******************************************************************************/
+
+SILC_CLIENT_CMD_REPLY_FUNC(whois_i)
+{
+  SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
+  SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
+
+  SILC_LOG_DEBUG(("Start"));
+
+  if (cmd->error != SILC_STATUS_OK)
+    goto out;
+
+  /* Save WHOIS info */
+  silc_client_command_reply_whois_save(cmd, cmd->status, FALSE);
+
+  /* Pending callbacks are not executed if this was an list entry */
+  if (cmd->status != SILC_STATUS_OK &&
+      cmd->status != SILC_STATUS_LIST_END) {
+    silc_client_command_reply_free(cmd);
+    return;
+  }
+
+ out:
+  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_WHOIS);
+
+  /* If we received notify for invalid ID we'll remove the ID if we
+     have it cached. */
+  if (cmd->error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
+    SilcClientEntry client_entry;
+    SilcUInt32 tmp_len;
+    unsigned char *tmp =
+      silc_argument_get_arg_type(silc_command_get_args(cmd->payload),
+                                2, &tmp_len);
+    if (tmp) {
+      SilcClientID *client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+      if (client_id) {
+       client_entry = silc_client_get_client_by_id(cmd->client, conn,
+                                                   client_id);
+       if (client_entry)
+         silc_client_del_client(cmd->client, conn, client_entry);
+       silc_free(client_id);
+      }
+    }
+  }
+
+  /* Unregister this command reply */
+  silc_client_command_unregister(cmd->client, SILC_COMMAND_WHOIS,
+                                NULL, silc_client_command_reply_whois_i,
+                                cmd->ident);
+
+  silc_client_command_reply_free(cmd);
+}
+
+SILC_CLIENT_CMD_REPLY_FUNC(identify_i)
+{
+  SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
+  SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
+
+  SILC_LOG_DEBUG(("Start"));
+
+  if (cmd->error != SILC_STATUS_OK)
+    goto out;
+
+  /* Save IDENTIFY info */
+  silc_client_command_reply_identify_save(cmd, cmd->status, FALSE);
+
+  /* Pending callbacks are not executed if this was an list entry */
+  if (cmd->status != SILC_STATUS_OK &&
+      cmd->status != SILC_STATUS_LIST_END) {
+    silc_client_command_reply_free(cmd);
+    return;
+  }
+
+ out:
+  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_IDENTIFY);
+
+  /* If we received notify for invalid ID we'll remove the ID if we
+     have it cached. */
+  if (cmd->error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
+    SilcClientEntry client_entry;
+    SilcUInt32 tmp_len;
+    unsigned char *tmp =
+      silc_argument_get_arg_type(silc_command_get_args(cmd->payload),
+                                2, &tmp_len);
+    if (tmp) {
+      SilcClientID *client_id = silc_id_payload_parse_id(tmp, tmp_len, NULL);
+      if (client_id) {
+       client_entry = silc_client_get_client_by_id(cmd->client, conn,
+                                                   client_id);
+       if (client_entry)
+         silc_client_del_client(cmd->client, conn, client_entry);
+       silc_free(client_id);
+      }
+    }
+  }
+
+  /* Unregister this command reply */
+  silc_client_command_unregister(cmd->client, SILC_COMMAND_IDENTIFY,
+                                NULL, silc_client_command_reply_identify_i,
+                                cmd->ident);
+
+  silc_client_command_reply_free(cmd);
+}
+
+SILC_CLIENT_CMD_REPLY_FUNC(info_i)
+{
+  SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
+  SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
+  unsigned char *tmp;
+  SilcServerEntry server;
+  SilcServerID *server_id = NULL;
+  char *server_name, *server_info;
+  SilcUInt32 len;
+
+  SILC_LOG_DEBUG(("Start"));
+
+  if (cmd->error != SILC_STATUS_OK)
+    goto out;
+
+  /* Get server ID */
+  tmp = silc_argument_get_arg_type(cmd->args, 2, &len);
+  if (!tmp)
+    goto out;
+
+  server_id = silc_id_payload_parse_id(tmp, len, NULL);
+  if (!server_id)
+    goto out;
+
+  /* Get server name */
+  server_name = silc_argument_get_arg_type(cmd->args, 3, NULL);
+  if (!server_name)
+    goto out;
+
+  /* Get server info */
+  server_info = silc_argument_get_arg_type(cmd->args, 4, NULL);
+  if (!server_info)
+    goto out;
+
+  /* See whether we have this server cached. If not create it. */
+  server = silc_client_get_server_by_id(cmd->client, conn, server_id);
+  if (!server) {
+    SILC_LOG_DEBUG(("New server entry"));
+    silc_client_add_server(cmd->client, conn, server_name, server_info,
+                          silc_id_dup(server_id, SILC_ID_SERVER));
+  }
+  
+ out:
+  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_INFO);
+  silc_free(server_id);
+  silc_client_command_reply_free(cmd);
+}
+
+static void silc_client_command_reply_users_i_cb(SilcClient client,
+                                                SilcClientConnection conn,
+                                                SilcChannelEntry *channels,
+                                                SilcUInt32 channels_count,
+                                                void *context)
+{
+  if (!channels_count) {
+    SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
+    SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
+
+    cmd->status = cmd->error = SILC_STATUS_ERR_NO_SUCH_CHANNEL;
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
+    COMMAND_REPLY_ERROR;
+    SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_USERS);
+    silc_client_command_reply_free(cmd);
+    return;
+  }
+
+  silc_client_command_reply_users_i(context, NULL);
+}
+
+SILC_CLIENT_CMD_REPLY_FUNC(users_i)
+{
+  SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
+
+  SILC_LOG_DEBUG(("Start"));
+
+  if (cmd->error != SILC_STATUS_OK)
+    goto out;
+
+  /* Save USERS info */
+  if (silc_client_command_reply_users_save(
+                                   cmd, cmd->status, FALSE,
+                                   silc_client_command_reply_users_i_cb,
+                                   silc_client_command_reply_users_i))
+    return;
+
+ out:
+  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_USERS);
+
+  /* Unregister this command reply */
+  silc_client_command_unregister(cmd->client, SILC_COMMAND_USERS,
+                                NULL, silc_client_command_reply_users_i,
+                                cmd->ident);
+
+  silc_client_command_reply_free(cmd);
+}
+
+/* Private range commands, specific to this implementation (and compatible
+   with SILC Server >= 0.9). */
+
+SILC_CLIENT_CMD_REPLY_FUNC(connect)
+{
+  SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
+  SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
+
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
+    COMMAND_REPLY_ERROR;
+    goto out;
+  }
+
+  /* Notify application */
+  COMMAND_REPLY((ARGS));
+
+ out:
+  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_PRIV_CONNECT);
+  silc_client_command_reply_free(cmd);
+}
+
+SILC_CLIENT_CMD_REPLY_FUNC(close)
+{
+  SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
+  SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
+
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
+    COMMAND_REPLY_ERROR;
+    goto out;
+  }
+
+  /* Notify application */
+  COMMAND_REPLY((ARGS));
+
+ out:
+  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_PRIV_CLOSE);
+  silc_client_command_reply_free(cmd);
+}
+SILC_CLIENT_CMD_REPLY_FUNC(shutdown)
+{
+  SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
+  SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
+
+  if (cmd->error != SILC_STATUS_OK) {
+    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+       "%s", silc_client_command_status_message(cmd->error));
+    COMMAND_REPLY_ERROR;
+    goto out;
+  }
+
+  /* Notify application */
+  COMMAND_REPLY((ARGS));
+
+ out:
+  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_PRIV_SHUTDOWN);
+  silc_client_command_reply_free(cmd);
+}