updates.
[silc.git] / lib / silcclient / command_reply.c
index 173916a522c3e8582a9b282375aeee52b3db096e..85609d337d0db7c21173c9f91208d93c359e9d22 100644 (file)
@@ -79,43 +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->internal->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->internal->ops->               \
-  command_reply(cmd->client, cmd->sock->user_data, cmd->payload,       \
-  FALSE, silc_command_get(cmd->payload), status)
 
 #define SAY cmd->client->internal->ops->say
 
-/* 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)
+/* All functions that call the COMMAND_CHECK_STATUS macro must have 
+   out: goto label. */
 
-#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 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. */
@@ -148,6 +124,7 @@ void silc_client_command_reply_process(SilcClient client,
   ctx->args = silc_command_get_args(ctx->payload);
   ctx->packet = packet;
   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, 
@@ -213,18 +190,15 @@ silc_client_command_reply_whois_save(SilcClientCommandReplyContext cmd,
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
   SilcClientID *client_id;
   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) {
     if (notify)
@@ -232,7 +206,7 @@ silc_client_command_reply_whois_save(SilcClientCommandReplyContext cmd,
     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) {
     if (notify)
       COMMAND_REPLY_ERROR;
@@ -249,11 +223,8 @@ silc_client_command_reply_whois_save(SilcClientCommandReplyContext cmd,
   }
 
   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)
@@ -289,10 +260,7 @@ silc_client_command_reply_whois_save(SilcClientCommandReplyContext cmd,
   /* Notify application */
   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
@@ -302,16 +270,15 @@ SILC_CLIENT_CMD_REPLY_FUNC(whois)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
 
-  COMMAND_CHECK_STATUS_LIST;
+  COMMAND_CHECK_STATUS;
 
   /* Save WHOIS info */
-  silc_client_command_reply_whois_save(cmd, status, TRUE);
+  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;
   }
@@ -321,14 +288,14 @@ SILC_CLIENT_CMD_REPLY_FUNC(whois)
 
   /* If we received notify for invalid ID we'll remove the ID if we
      have it cached. */
-  if (status == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
+  if (cmd->error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
     SilcClientEntry client_entry;
-    uint32 tmp_len;
+    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);
+      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);
@@ -348,15 +315,14 @@ SILC_CLIENT_CMD_REPLY_FUNC(whowas)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
   SilcClientID *client_id;
   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) {
@@ -364,7 +330,7 @@ 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;
@@ -388,8 +354,8 @@ 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;
   }
@@ -409,19 +375,15 @@ silc_client_command_reply_identify_save(SilcClientCommandReplyContext cmd,
   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) {
     if (notify)
@@ -472,23 +434,16 @@ 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, 
-                      0, NULL);
-    } 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 */
@@ -533,16 +488,15 @@ SILC_CLIENT_CMD_REPLY_FUNC(identify)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
 
-  COMMAND_CHECK_STATUS_LIST;
+  COMMAND_CHECK_STATUS;
 
   /* Save IDENTIFY info */
-  silc_client_command_reply_identify_save(cmd, status, TRUE);
+  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;
   }
@@ -552,14 +506,14 @@ SILC_CLIENT_CMD_REPLY_FUNC(identify)
 
   /* If we received notify for invalid ID we'll remove the ID if we
      have it cached. */
-  if (status == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
+  if (cmd->error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
     SilcClientEntry client_entry;
-    uint32 tmp_len;
+    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);
+      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);
@@ -580,17 +534,16 @@ 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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "Cannot set nickname: %s", silc_client_command_status_message(status));
+       "Cannot set nickname: %s", 
+       silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -628,29 +581,63 @@ 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_command_reply_free(cmd);
 }
@@ -661,17 +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;
   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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -692,7 +677,7 @@ 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;
 
@@ -718,17 +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;
   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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -738,7 +720,7 @@ 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;
 
@@ -767,12 +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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -792,21 +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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR, "%s", 
-       silc_client_command_status_message(status));
+       silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -816,7 +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;
 
@@ -831,22 +807,16 @@ 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, 0, NULL);
-  } else {
-    server = (SilcServerEntry)id_cache->context;
+    server = silc_client_add_server(cmd->client, conn, server_name,
+                                   server_info,
+                                   silc_id_dup(server_id, SILC_ID_SERVER));
+    if (!server)
+      goto out;
   }
-  
+
   /* Notify application */
   COMMAND_REPLY((ARGS, server, server->server_name, server->server_info));
 
@@ -862,15 +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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -918,22 +886,20 @@ SILC_CLIENT_CMD_REPLY_FUNC(join)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
   SilcChannelEntry channel;
   SilcChannelUser chu;
   SilcChannelID *channel_id;
-  uint32 argc, mode = 0, len, list_count;
+  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) {
-    if (status != SILC_STATUS_ERR_USER_ON_CHANNEL)
+  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(status));
+         "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -964,7 +930,7 @@ SILC_CLIENT_CMD_REPLY_FUNC(join)
     COMMAND_REPLY_ERROR;
     goto out;
   }
-  channel_id = silc_id_payload_parse_id(tmp, len);
+  channel_id = silc_id_payload_parse_id(tmp, len, NULL);
   if (!channel_id) {
     COMMAND_REPLY_ERROR;
     goto out;
@@ -1036,15 +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;
 
@@ -1061,12 +1027,14 @@ SILC_CLIENT_CMD_REPLY_FUNC(join)
     }
 
     /* Join client to the channel */
-    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);
+    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);
@@ -1105,16 +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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     return;
   }
@@ -1166,15 +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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1202,17 +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;
+  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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1221,7 +1180,7 @@ 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;
 
@@ -1261,19 +1220,17 @@ SILC_CLIENT_CMD_REPLY_FUNC(cumode)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
   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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1289,7 +1246,7 @@ 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;
 
@@ -1308,7 +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;
@@ -1344,14 +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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1368,14 +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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1392,14 +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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1412,18 +1357,15 @@ SILC_CLIENT_CMD_REPLY_FUNC(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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1431,8 +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_EXEC(cmd, SILC_COMMAND_DETACH);
   silc_client_command_reply_free(cmd);
 }
 
@@ -1440,17 +1391,14 @@ SILC_CLIENT_CMD_REPLY_FUNC(ban)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
   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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1460,7 +1408,7 @@ 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;
 
@@ -1483,74 +1431,44 @@ SILC_CLIENT_CMD_REPLY_FUNC(ban)
   silc_client_command_reply_free(cmd);
 }
 
-SILC_CLIENT_CMD_REPLY_FUNC(close)
-{
-  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) {
-    SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
-    COMMAND_REPLY_ERROR;
-    goto out;
-  }
-
-  /* Notify application */
-  COMMAND_REPLY((ARGS));
+/* Reply to LEAVE command. */
 
- out:
-  SILC_CLIENT_PENDING_EXEC(cmd, SILC_COMMAND_CLOSE);
-  silc_client_command_reply_free(cmd);
-}
-SILC_CLIENT_CMD_REPLY_FUNC(shutdown)
+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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%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_SHUTDOWN);
-  silc_client_command_reply_free(cmd);
-}
-/* Reply to LEAVE command. */
+  /* 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;
 
-SILC_CLIENT_CMD_REPLY_FUNC(leave)
-{
-  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) {
-    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_LEAVE);
@@ -1562,16 +1480,16 @@ SILC_CLIENT_CMD_REPLY_FUNC(leave)
 static void silc_client_command_reply_users_cb(SilcClient client,
                                               SilcClientConnection conn,
                                               SilcChannelEntry *channels,
-                                              uint32 channels_count,
+                                              SilcUInt32 channels_count,
                                               void *context)
 {
   if (!channels_count) {
     SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
     SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-    SilcCommandStatus status = SILC_STATUS_ERR_NO_SUCH_CHANNEL;
 
+    cmd->status = cmd->error = SILC_STATUS_ERR_NO_SUCH_CHANNEL;
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%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);
@@ -1581,44 +1499,34 @@ static void silc_client_command_reply_users_cb(SilcClient client,
   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;
   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) {
-    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;
@@ -1638,10 +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);
@@ -1649,49 +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 */
   channel = silc_client_get_channel_by_id(cmd->client, conn, channel_id);
   if (!channel) {
     /* Resolve the channel from server */
     silc_client_get_channel_by_id_resolve(cmd->client, conn, channel_id,
-                                         silc_client_command_reply_users_cb,
-                                         cmd);
+                                         get_channel, 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);
-    return;
+    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;
 
     /* 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. */
     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) {
-         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;
@@ -1706,7 +1603,7 @@ 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++;
@@ -1714,6 +1611,7 @@ SILC_CLIENT_CMD_REPLY_FUNC(users)
       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);
@@ -1721,8 +1619,8 @@ SILC_CLIENT_CMD_REPLY_FUNC(users)
     }
 
     silc_free(client_id);
-    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);
   }
 
   /* Query the client information from server if the list included clients
@@ -1745,36 +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,
-                               silc_client_command_reply_users, cmd);
+                               get_clients, cmd);
 
     silc_buffer_free(res_cmd);
     silc_free(channel_id);
     silc_free(res_argv);
     silc_free(res_argv_lens);
     silc_free(res_argv_types);
-    if (client_id_list)
-      silc_buffer_free(client_id_list);
-    if (client_mode_list)
-      silc_buffer_free(client_mode_list);
-    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));
+  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_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
@@ -1784,8 +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;
@@ -1793,18 +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) {
+  if (cmd->error != SILC_STATUS_OK) {
     SAY(cmd->client, conn, SILC_CLIENT_MESSAGE_ERROR,
-       "%s", silc_client_command_status_message(status));
+       "%s", silc_client_command_status_message(cmd->error));
     COMMAND_REPLY_ERROR;
     goto out;
   }
@@ -1848,14 +1762,12 @@ SILC_CLIENT_CMD_REPLY_FUNC(getkey)
   } 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));
   }
@@ -1887,23 +1799,18 @@ SILC_CLIENT_CMD_REPLY_FUNC(whois_i)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
 
   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)
+  if (cmd->error != SILC_STATUS_OK)
     goto out;
 
   /* Save WHOIS info */
-  silc_client_command_reply_whois_save(cmd, status, FALSE);
+  silc_client_command_reply_whois_save(cmd, cmd->status, FALSE);
 
   /* 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;
   }
@@ -1913,14 +1820,14 @@ SILC_CLIENT_CMD_REPLY_FUNC(whois_i)
 
   /* If we received notify for invalid ID we'll remove the ID if we
      have it cached. */
-  if (status == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
+  if (cmd->error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
     SilcClientEntry client_entry;
-    uint32 tmp_len;
+    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);
+      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);
@@ -1943,23 +1850,18 @@ SILC_CLIENT_CMD_REPLY_FUNC(identify_i)
 {
   SilcClientCommandReplyContext cmd = (SilcClientCommandReplyContext)context;
   SilcClientConnection conn = (SilcClientConnection)cmd->sock->user_data;
-  SilcCommandStatus status;
 
   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)
+  if (cmd->error != SILC_STATUS_OK)
     goto out;
 
   /* Save IDENTIFY info */
-  silc_client_command_reply_identify_save(cmd, status, FALSE);
+  silc_client_command_reply_identify_save(cmd, cmd->status, FALSE);
 
   /* 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;
   }
@@ -1969,14 +1871,14 @@ SILC_CLIENT_CMD_REPLY_FUNC(identify_i)
 
   /* If we received notify for invalid ID we'll remove the ID if we
      have it cached. */
-  if (status == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
+  if (cmd->error == SILC_STATUS_ERR_NO_SUCH_CLIENT_ID) {
     SilcClientEntry client_entry;
-    uint32 tmp_len;
+    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);
+      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);
@@ -1999,19 +1901,15 @@ SILC_CLIENT_CMD_REPLY_FUNC(info_i)
 {
   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)
+  if (cmd->error != SILC_STATUS_OK)
     goto out;
 
   /* Get server ID */
@@ -2019,7 +1917,7 @@ SILC_CLIENT_CMD_REPLY_FUNC(info_i)
   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;
 
@@ -2034,17 +1932,11 @@ SILC_CLIENT_CMD_REPLY_FUNC(info_i)
     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, 0, NULL);
+    silc_client_add_server(cmd->client, conn, server_name, server_info,
+                          silc_id_dup(server_id, SILC_ID_SERVER));
   }
   
  out:
@@ -2052,3 +1944,115 @@ SILC_CLIENT_CMD_REPLY_FUNC(info_i)
   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);
+}