Merged silc_1_1_branch to trunk.
[silc.git] / lib / silcclient / command.c
index 68e9eed62fdd04794363438368bee6c031968ce3..85e33fe38217f0fe7b17c6c70a97270b1d3e2aca 100644 (file)
@@ -4,7 +4,7 @@
 
   Author: Pekka Riikonen <priikone@silcnet.org>
 
-  Copyright (C) 1997 - 2006 Pekka Riikonen
+  Copyright (C) 1997 - 2007 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
@@ -119,13 +119,36 @@ static void silc_client_command_resolve_continue(SilcClient client,
   if (status != SILC_STATUS_OK)
     silc_fsm_next(&cmd->thread, silc_client_command_continue_error);
 
-  if (clients)
-    silc_dlist_uninit(clients);
-
   /* Continue with the command */
   SILC_FSM_CALL_CONTINUE(&cmd->thread);
 }
 
+/* Dummy command callback.  Nothing interesting to do here.  Use this when
+   you just send command but don't care about reply. */
+
+SilcBool silc_client_command_called_dummy(SilcClient client,
+                                         SilcClientConnection conn,
+                                         SilcCommand command,
+                                         SilcStatus status,
+                                         SilcStatus error,
+                                         void *context,
+                                         va_list ap)
+{
+  return FALSE;
+}
+
+/* Dummy resolving callback.  Nothing interesting to do here.  Use this
+   when you just resolve entires but don't care about reply. */
+
+void silc_client_command_resolve_dummy(SilcClient client,
+                                      SilcClientConnection conn,
+                                      SilcStatus status,
+                                      SilcDList clients,
+                                      void *context)
+{
+  /* Nothing */
+}
+
 /* Register command to client */
 
 static SilcBool
@@ -139,11 +162,17 @@ silc_client_command_register(SilcClient client,
   SilcClientCommand cmd;
 
   cmd = silc_calloc(1, sizeof(*cmd));
+  if (!cmd)
+    return FALSE;
   cmd->cmd = command;
   cmd->command = command_func;
   cmd->reply = command_reply_func;
-  cmd->name = name ? strdup(name) : NULL;
   cmd->max_args = max_args;
+  cmd->name = name ? strdup(name) : NULL;
+  if (!cmd->name) {
+    silc_free(cmd);
+    return FALSE;
+  }
 
   silc_list_add(client->internal->commands, cmd);
 
@@ -191,27 +220,20 @@ static SilcClientCommand silc_client_command_find(SilcClient client,
   return NULL;
 }
 
-/* Free command context and its internals */
-
-static void silc_client_command_free(SilcClientCommandContext cmd)
-{
-  int i;
-
-  for (i = 0; i < cmd->argc; i++)
-    silc_free(cmd->argv[i]);
-  silc_free(cmd->argv);
-  silc_free(cmd->argv_lens);
-  silc_free(cmd->argv_types);
-  silc_free(cmd);
-}
-
 /* Command thread destructor */
 
 static void silc_client_command_destructor(SilcFSMThread thread,
                                           void *fsm_context,
                                           void *destructor_context)
 {
-  silc_client_command_free(fsm_context);
+  SilcClientCommandContext cmd = fsm_context;
+  SilcClientConnection conn = cmd->conn;
+
+  /* Removes commands that aren't waiting for reply but are waiting
+     for something.  They may not have been removed yet. */
+  silc_list_del(conn->internal->pending_commands, cmd);
+
+  silc_client_command_free(cmd);
 }
 
 /* Add a command pending a command reply.  Used internally by the library. */
@@ -262,6 +284,9 @@ static SilcUInt16 silc_client_command_send_vap(SilcClient client,
 
   SILC_LOG_DEBUG(("Send command %s", silc_get_command_name(command)));
 
+  if (conn->internal->disconnected)
+    return 0;
+
   if (!cmd->cmd_ident)
     cmd->cmd_ident = silc_client_cmd_ident(conn);
 
@@ -305,6 +330,9 @@ silc_client_command_send_arg_array(SilcClient client,
 
   SILC_LOG_DEBUG(("Send command %s", silc_get_command_name(command)));
 
+  if (conn->internal->disconnected)
+    return 0;
+
   if (!cmd->cmd_ident)
     cmd->cmd_ident = silc_client_cmd_ident(conn);
 
@@ -353,6 +381,26 @@ static SilcUInt16 silc_client_command_send_va(SilcClientConnection conn,
 
 /****************************** Command API *********************************/
 
+/* Free command context and its internals */
+
+void silc_client_command_free(SilcClientCommandContext cmd)
+{
+  SilcClientCommandReplyCallback cb;
+  int i;
+
+  for (i = 0; i < cmd->argc; i++)
+    silc_free(cmd->argv[i]);
+  silc_free(cmd->argv);
+  silc_free(cmd->argv_lens);
+  silc_free(cmd->argv_types);
+
+  silc_list_start(cmd->reply_callbacks);
+  while ((cb = silc_list_get(cmd->reply_callbacks)))
+    silc_free(cb);
+
+  silc_free(cmd);
+}
+
 /* Executes a command */
 
 SilcUInt16 silc_client_command_call(SilcClient client,
@@ -368,7 +416,7 @@ SilcUInt16 silc_client_command_call(SilcClient client,
   char *arg;
 
   if (!conn) {
-    client->internal->ops->say(client, NULL, SILC_CLIENT_MESSAGE_ERROR,
+    client->internal->ops->say(client, NULL, SILC_CLIENT_MESSAGE_COMMAND_ERROR,
       "You are not connected to a server, please connect to server");
     return 0;
   }
@@ -410,10 +458,10 @@ SilcUInt16 silc_client_command_call(SilcClient client,
       argv_lens = silc_realloc(argv_lens, sizeof(*argv_lens) * (argc + 1));
       argv_types = silc_realloc(argv_types, sizeof(*argv_types) * (argc + 1));
       if (!argv || !argv_lens || !argv_types)
-       return FALSE;
+       return 0;
       argv[argc] = silc_memdup(arg, strlen(arg));
       if (!argv[argc])
-       return FALSE;
+       return 0;
       argv_lens[argc] = strlen(arg);
       argv_types[argc] = argc;
       argc++;
@@ -435,6 +483,8 @@ SilcUInt16 silc_client_command_call(SilcClient client,
   cmd->cmd_ident = silc_client_cmd_ident(conn);
   cmd->called = TRUE;
   cmd->verbose = TRUE;
+  silc_list_init(cmd->reply_callbacks,
+                struct SilcClientCommandReplyCallbackStruct, next);
 
   /*** Call command */
   SILC_LOG_DEBUG(("Calling %s command", silc_get_command_name(cmd->cmd)));
@@ -467,6 +517,8 @@ SilcUInt16 silc_client_command_send(SilcClient client,
     return 0;
   cmd->conn = conn;
   cmd->cmd = command;
+  silc_list_init(cmd->reply_callbacks,
+                struct SilcClientCommandReplyCallbackStruct, next);
 
   /* Send the command */
   va_start(ap, argc);
@@ -584,14 +636,21 @@ SILC_FSM_STATE(silc_client_command_whois)
   unsigned char count[4], *tmp = NULL;
   SilcBool details = FALSE, nick = FALSE;
   unsigned char *pubkey = NULL;
+  char *nickname = NULL;
   int i;
 
   /* Given without arguments fetches client's own information */
   if (cmd->argc < 2) {
-    silc_client_command_send(conn->client, conn, SILC_COMMAND_WHOIS,
-                            NULL, NULL, 1,
-                            4, silc_buffer_datalen(conn->local_idp));
-    goto out;
+    silc_client_command_send_va(conn, cmd, cmd->cmd, NULL, NULL, 1, 4,
+                               silc_buffer_data(conn->internal->local_idp),
+                               silc_buffer_len(conn->internal->local_idp));
+
+    /* Notify application */
+    COMMAND(SILC_STATUS_OK);
+
+    /** Wait for command reply */
+    silc_fsm_next(fsm, silc_client_command_reply_wait);
+    return SILC_FSM_CONTINUE;
   }
 
   for (i = 1; i < cmd->argc; i++) {
@@ -638,7 +697,7 @@ SILC_FSM_STATE(silc_client_command_whois)
     SilcPublicKey pk;
 
     if (!silc_pkcs_load_public_key(pubkey, &pk)) {
-      SAY(client, conn, SILC_CLIENT_MESSAGE_ERROR,
+      SAY(client, conn, SILC_CLIENT_MESSAGE_COMMAND_ERROR,
          "Could not load public key %s, check the filename",
          pubkey);
       COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
@@ -668,14 +727,22 @@ SILC_FSM_STATE(silc_client_command_whois)
                                           SILC_ATTRIBUTE_USER_PUBLIC_KEY,
                                           SILC_ATTRIBUTE_FLAG_VALID,
                                           &obj, sizeof(obj));
+    silc_free(obj.data);
+  }
+
+  if (nick) {
+    silc_client_nickname_parse(client, conn, cmd->argv[1], &nickname);
+    if (!nickname)
+      nickname = strdup(cmd->argv[1]);
   }
 
   /* Send command */
   silc_client_command_send_va(conn, cmd, cmd->cmd, NULL, NULL,
-                             3, 1, nick ? cmd->argv[1] : NULL,
-                             nick ? cmd->argv_lens[1] : 0,
+                             3, 1, nick ? nickname : NULL,
+                             nick ? strlen(nickname) : 0,
                              2, tmp ? tmp : NULL, tmp ? 4 : 0,
                              3, silc_buffer_datalen(attrs));
+  silc_free(nickname);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -765,7 +832,7 @@ SILC_FSM_STATE(silc_client_command_identify)
 
 SILC_FSM_STATE(silc_client_command_nick)
 {
-  SilcClientCommandContext cmd = fsm_context;
+  SilcClientCommandContext cmd2, cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
 
   if (cmd->argc < 2) {
@@ -793,6 +860,19 @@ SILC_FSM_STATE(silc_client_command_nick)
     goto out;
   }
 
+  /* If JOIN command is active, wait for it to finish before sending NICK.
+     To avoid problems locally with changing IDs while joining, we do this. */
+  silc_mutex_lock(conn->internal->lock);
+  silc_list_start(conn->internal->pending_commands);
+  while ((cmd2 = silc_list_get(conn->internal->pending_commands))) {
+    if (cmd2->cmd == SILC_COMMAND_JOIN) {
+      silc_mutex_unlock(conn->internal->lock);
+      silc_fsm_next_later(fsm, silc_client_command_nick, 0, 300000);
+      return SILC_FSM_WAIT;
+    }
+  }
+  silc_mutex_unlock(conn->internal->lock);
+
   if (cmd->argv_lens[1] > 128)
     cmd->argv_lens[1] = 128;
 
@@ -819,7 +899,8 @@ SILC_FSM_STATE(silc_client_command_list)
 {
   SilcClientCommandContext cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
-  SilcChannelEntry channel;
+  SilcClient client = conn->client;
+  SilcChannelEntry channel = NULL;
   SilcBuffer idp = NULL;
 
   if (cmd->argc == 2) {
@@ -836,6 +917,7 @@ SILC_FSM_STATE(silc_client_command_list)
                                1, 1, silc_buffer_datalen(idp));
 
   silc_buffer_free(idp);
+  silc_client_unref_channel(client, conn, channel);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -853,9 +935,10 @@ SILC_FSM_STATE(silc_client_command_topic)
 {
   SilcClientCommandContext cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
+  SilcClient client = conn->client;
   SilcChannelEntry channel;
   SilcBuffer idp;
-  char *name;
+  char *name, tmp[512];
 
   if (cmd->argc < 2 || cmd->argc > 3) {
     SAY(conn->client, conn, SILC_CLIENT_MESSAGE_INFO,
@@ -870,7 +953,15 @@ SILC_FSM_STATE(silc_client_command_topic)
       COMMAND_ERROR(SILC_STATUS_ERR_NOT_ON_CHANNEL);
       goto out;
     }
-    name = conn->current_channel->channel_name;
+
+    if (client->internal->params->full_channel_names)
+      silc_snprintf(tmp, sizeof(tmp), conn->current_channel->channel_name);
+    else
+      silc_snprintf(tmp, sizeof(tmp), "%s%s%s",
+                   conn->current_channel->channel_name,
+                   conn->current_channel->server[0] ? "@" : "",
+                   conn->current_channel->server);
+    name = tmp;
   } else {
     name = cmd->argv[1];
   }
@@ -899,6 +990,7 @@ SILC_FSM_STATE(silc_client_command_topic)
                                1, silc_buffer_datalen(idp));
 
   silc_buffer_free(idp);
+  silc_client_unref_channel(client, conn, channel);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -922,7 +1014,7 @@ SILC_FSM_STATE(silc_client_command_invite)
   SilcClientConnection conn = cmd->conn;
   SilcClient client = conn->client;
   SilcClientEntry client_entry = NULL;
-  SilcChannelEntry channel;
+  SilcChannelEntry channel = NULL;
   SilcBuffer clidp, chidp, args = NULL;
   SilcPublicKey pubkey = NULL;
   SilcDList clients = NULL;
@@ -945,6 +1037,7 @@ SILC_FSM_STATE(silc_client_command_invite)
     }
 
     channel = conn->current_channel;
+    silc_client_ref_channel(client, conn, channel);
   } else {
     name = cmd->argv[1];
 
@@ -958,19 +1051,15 @@ SILC_FSM_STATE(silc_client_command_invite)
   /* Parse the typed nickname. */
   if (cmd->argc == 3) {
     if (cmd->argv[2][0] != '+' && cmd->argv[2][0] != '-') {
-      if (client->internal->params->nickname_parse)
-       client->internal->params->nickname_parse(cmd->argv[2], &nickname);
-      else
-       nickname = strdup(cmd->argv[2]);
+      silc_client_nickname_parse(client, conn, cmd->argv[2], &nickname);
 
       /* Find client entry */
-      clients = silc_client_get_clients_local(client, conn, nickname,
-                                             cmd->argv[2]);
+      clients = silc_client_get_clients_local(client, conn, cmd->argv[2],
+                                             FALSE);
       if (!clients)
        /* Resolve client information */
        SILC_FSM_CALL(silc_client_get_clients(
-                                     client, conn, nickname,
-                                     cmd->argv[2],
+                                     client, conn, nickname, NULL,
                                      silc_client_command_resolve_continue,
                                      cmd));
 
@@ -1026,6 +1115,7 @@ SILC_FSM_STATE(silc_client_command_invite)
   silc_buffer_free(args);
   silc_free(nickname);
   silc_client_list_free(client, conn, clients);
+  silc_client_unref_channel(client, conn, channel);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -1047,18 +1137,18 @@ SILC_FSM_STATE(silc_client_command_quit_final)
 {
   SilcClientCommandContext cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
-  SilcClient client = conn->client;
+
+  SILC_LOG_DEBUG(("Quitting"));
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
 
-  /* Call connection callback */
-  conn->callback(client, conn, SILC_CLIENT_CONN_DISCONNECTED,
-                0, NULL, conn->context);
-
   /* Signal to close connection */
-  conn->internal->disconnected = TRUE;
-  SILC_FSM_SEMA_POST(&conn->internal->wait_event);
+  conn->internal->status = SILC_CLIENT_CONN_DISCONNECTED;
+  if (!conn->internal->disconnected) {
+    conn->internal->disconnected = TRUE;
+    SILC_FSM_EVENT_SIGNAL(&conn->internal->wait_event);
+  }
 
   return SILC_FSM_FINISH;
 }
@@ -1086,7 +1176,6 @@ SILC_FSM_STATE(silc_client_command_quit)
 
 /********************************** KILL ************************************/
 
-
 /* Command KILL. Router operator can use this command to remove an client
    fromthe SILC Network. */
 
@@ -1108,20 +1197,14 @@ SILC_FSM_STATE(silc_client_command_kill)
   }
 
   /* Parse the typed nickname. */
-  if (client->internal->params->nickname_parse)
-    client->internal->params->nickname_parse(cmd->argv[1], &nickname);
-  else
-    nickname = strdup(cmd->argv[1]);
-  if (!nickname)
+  if (!silc_client_nickname_parse(client, conn, cmd->argv[1], &nickname))
     return SILC_FSM_FINISH;
 
   /* Get the target client */
-  clients = silc_client_get_clients_local(client, conn, nickname,
-                                         cmd->argv[1]);
+  clients = silc_client_get_clients_local(client, conn, cmd->argv[1], FALSE);
   if (!clients)
     /* Resolve client information */
-    SILC_FSM_CALL(silc_client_get_clients(client, conn, nickname,
-                                         cmd->argv[1],
+    SILC_FSM_CALL(silc_client_get_clients(client, conn, nickname, NULL,
                                          silc_client_command_resolve_continue,
                                          cmd));
 
@@ -1137,7 +1220,7 @@ SILC_FSM_STATE(silc_client_command_kill)
       auth = silc_auth_public_key_auth_generate(conn->public_key,
                                                conn->private_key,
                                                conn->client->rng,
-                                               client->sha1hash,
+                                               conn->internal->sha1hash,
                                                &target->id, SILC_ID_CLIENT);
     }
   }
@@ -1195,14 +1278,10 @@ SILC_FSM_STATE(silc_client_command_stats)
   SilcClientCommandContext cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
 
-  if (cmd->argc < 2) {
-    COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
-    return SILC_FSM_FINISH;
-  }
-
   /* Send the command */
   silc_client_command_send_va(conn, cmd, cmd->cmd, NULL, NULL, 1,
-                             1, silc_buffer_datalen(conn->remote_idp));
+                             1, silc_buffer_datalen(conn->internal->
+                                                    remote_idp));
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -1228,7 +1307,8 @@ SILC_FSM_STATE(silc_client_command_ping)
 
   /* Send the command */
   silc_client_command_send_va(conn, cmd, cmd->cmd, NULL, NULL, 1,
-                             1, silc_buffer_datalen(conn->remote_idp));
+                             1, silc_buffer_datalen(conn->internal->
+                                                    remote_idp));
 
   /* Save ping time */
   cmd->context = SILC_64_TO_PTR(silc_time());
@@ -1247,9 +1327,10 @@ SILC_FSM_STATE(silc_client_command_ping)
 
 SILC_FSM_STATE(silc_client_command_join)
 {
-  SilcClientCommandContext cmd = fsm_context;
+  SilcClientCommandContext cmd2, cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
-  SilcChannelEntry channel;
+  SilcClient client = conn->client;
+  SilcChannelEntry channel = NULL;
   SilcBuffer auth = NULL, cauth = NULL;
   char *name, *passphrase = NULL, *pu8, *cipher = NULL, *hmac = NULL;
   int i, passphrase_len = 0;
@@ -1264,6 +1345,19 @@ SILC_FSM_STATE(silc_client_command_join)
   if (channel && silc_client_on_channel(channel, conn->local_entry))
     goto out;
 
+  /* If NICK command is active, wait for it to finish before sending JOIN.
+     To avoid problems locally with changing IDs while joining, we do this. */
+  silc_mutex_lock(conn->internal->lock);
+  silc_list_start(conn->internal->pending_commands);
+  while ((cmd2 = silc_list_get(conn->internal->pending_commands))) {
+    if (cmd2->cmd == SILC_COMMAND_NICK) {
+      silc_mutex_unlock(conn->internal->lock);
+      silc_fsm_next_later(fsm, silc_client_command_join, 0, 300000);
+      return SILC_FSM_WAIT;
+    }
+  }
+  silc_mutex_unlock(conn->internal->lock);
+
   if (cmd->argv_lens[1] > 256)
     cmd->argv_lens[1] = 256;
 
@@ -1278,7 +1372,7 @@ SILC_FSM_STATE(silc_client_command_join)
       auth = silc_auth_public_key_auth_generate(conn->public_key,
                                                conn->private_key,
                                                conn->client->rng,
-                                               conn->client->sha1hash,
+                                               conn->internal->sha1hash,
                                                conn->local_id,
                                                SILC_ID_CLIENT);
     } else if (!strcasecmp(cmd->argv[i], "-auth")) {
@@ -1295,7 +1389,7 @@ SILC_FSM_STATE(silc_client_command_join)
        }
        if (!silc_load_key_pair(cmd->argv[i + 1], cmd->argv[i + 2], pass,
                                &pubkey, &privkey)) {
-         SAY(conn->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+         SAY(conn->client, conn, SILC_CLIENT_MESSAGE_COMMAND_ERROR,
              "Could not load key pair, check your arguments");
          COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
          goto out;
@@ -1304,13 +1398,13 @@ SILC_FSM_STATE(silc_client_command_join)
       }
 
       pk = silc_pkcs_public_key_encode(pubkey, &pk_len);
-      silc_hash_make(conn->client->sha1hash, pk, pk_len, pkhash);
+      silc_hash_make(conn->internal->sha1hash, pk, pk_len, pkhash);
       silc_free(pk);
       pubdata = silc_rng_get_rn_data(conn->client->rng, 128);
       memcpy(pubdata, pkhash, 20);
       cauth = silc_auth_public_key_auth_generate_wpub(pubkey, privkey,
                                                      pubdata, 128,
-                                                     conn->client->sha1hash,
+                                                     conn->internal->sha1hash,
                                                      conn->local_id,
                                                      SILC_ID_CLIENT);
       memset(pubdata, 0, 128);
@@ -1334,7 +1428,8 @@ SILC_FSM_STATE(silc_client_command_join)
   /* Send JOIN command to the server */
   silc_client_command_send_va(conn, cmd, cmd->cmd, NULL, NULL, 7,
                              1, name, strlen(name),
-                             2, silc_buffer_datalen(conn->local_idp),
+                             2, silc_buffer_datalen(conn->internal->
+                                                    local_idp),
                              3, passphrase, passphrase_len,
                              4, cipher, cipher ? strlen(cipher) : 0,
                              5, hmac, hmac ? strlen(hmac) : 0,
@@ -1346,6 +1441,7 @@ SILC_FSM_STATE(silc_client_command_join)
   if (passphrase)
     memset(passphrase, 0, strlen(passphrase));
   silc_free(passphrase);
+  silc_client_unref_channel(client, conn, channel);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -1355,6 +1451,7 @@ SILC_FSM_STATE(silc_client_command_join)
   return SILC_FSM_CONTINUE;
 
  out:
+  silc_client_unref_channel(client, conn, channel);
   return SILC_FSM_FINISH;
 }
 
@@ -1519,7 +1616,8 @@ SILC_FSM_STATE(silc_client_command_umode)
 
   /* Send the command */
   silc_client_command_send_va(conn, cmd, cmd->cmd, NULL, NULL, 2,
-                             1, silc_buffer_datalen(conn->local_idp),
+                             1, silc_buffer_datalen(conn->internal->
+                                                    local_idp),
                              2, modebuf, sizeof(modebuf));
 
   /* Notify application */
@@ -1541,7 +1639,7 @@ SILC_FSM_STATE(silc_client_command_cmode)
   SilcClientCommandContext cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
   SilcClient client = conn->client;
-  SilcChannelEntry channel;
+  SilcChannelEntry channel = NULL;
   SilcBuffer chidp, auth = NULL, pk = NULL;
   unsigned char *name, *cp, modebuf[4], tmp[4], *arg = NULL;
   SilcUInt32 mode, add, type, len, arg_len = 0;
@@ -1561,6 +1659,7 @@ SILC_FSM_STATE(silc_client_command_cmode)
     }
 
     channel = conn->current_channel;
+    silc_client_ref_channel(client, conn, channel);
   } else {
     name = cmd->argv[1];
 
@@ -1710,7 +1809,7 @@ SILC_FSM_STATE(silc_client_command_cmode)
            pass = cmd->argv[5];
          if (!silc_load_key_pair(cmd->argv[3], cmd->argv[4], pass,
                                  &pubkey, &privkey)) {
-           SAY(client, conn, SILC_CLIENT_MESSAGE_ERROR,
+           SAY(client, conn, SILC_CLIENT_MESSAGE_COMMAND_ERROR,
                "Could not load key pair, check your arguments");
            COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
            goto out;
@@ -1720,7 +1819,7 @@ SILC_FSM_STATE(silc_client_command_cmode)
        pk = silc_public_key_payload_encode(pubkey);
        auth = silc_auth_public_key_auth_generate(pubkey, privkey,
                                                  conn->client->rng,
-                                                 conn->client->sha1hash,
+                                                 conn->internal->sha1hash,
                                                  conn->local_id,
                                                  SILC_ID_CLIENT);
        arg = silc_buffer_data(auth);
@@ -1745,10 +1844,14 @@ SILC_FSM_STATE(silc_client_command_cmode)
                                      NULL, NULL, 1,
                                      1, silc_buffer_datalen(chidp));
          silc_buffer_free(chidp);
+         silc_client_unref_channel(client, conn, channel);
 
          /* Notify application */
          COMMAND(SILC_STATUS_OK);
-         goto out;
+
+         /** Wait for command reply */
+         silc_fsm_next(fsm, silc_client_command_reply_wait);
+         return SILC_FSM_CONTINUE;
        }
 
        if (cmd->argc >= 4) {
@@ -1762,7 +1865,7 @@ SILC_FSM_STATE(silc_client_command_cmode)
          if (cmd->argv[k][0] == '+')
            chadd = TRUE;
          if (!silc_pkcs_load_public_key(cmd->argv[k] + 1, &chpk)) {
-           SAY(conn->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+           SAY(conn->client, conn, SILC_CLIENT_MESSAGE_COMMAND_ERROR,
                "Could not load public key %s, check the filename",
                cmd->argv[k]);
            COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
@@ -1814,6 +1917,7 @@ SILC_FSM_STATE(silc_client_command_cmode)
   silc_buffer_free(chidp);
   silc_buffer_free(auth);
   silc_buffer_free(pk);
+  silc_client_unref_channel(client, conn, channel);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -1823,6 +1927,7 @@ SILC_FSM_STATE(silc_client_command_cmode)
   return SILC_FSM_CONTINUE;
 
  out:
+  silc_client_unref_channel(client, conn, channel);
   return SILC_FSM_FINISH;
 }
 
@@ -1835,7 +1940,7 @@ SILC_FSM_STATE(silc_client_command_cumode)
   SilcClientCommandContext cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
   SilcClient client = conn->client;
-  SilcChannelEntry channel;
+  SilcChannelEntry channel = NULL;
   SilcChannelUser chu;
   SilcClientEntry client_entry;
   SilcBuffer clidp, chidp, auth = NULL;
@@ -1859,6 +1964,7 @@ SILC_FSM_STATE(silc_client_command_cumode)
     }
 
     channel = conn->current_channel;
+    silc_client_ref_channel(client, conn, channel);
   } else {
     name = cmd->argv[1];
 
@@ -1870,17 +1976,13 @@ SILC_FSM_STATE(silc_client_command_cumode)
   }
 
   /* Parse the typed nickname. */
-  if (client->internal->params->nickname_parse)
-    client->internal->params->nickname_parse(cmd->argv[3], &nickname);
-  else
-    nickname = strdup(cmd->argv[3]);
+  silc_client_nickname_parse(client, conn, cmd->argv[3], &nickname);
 
   /* Find client entry */
-  clients = silc_client_get_clients_local(client, conn, nickname,
-                                         cmd->argv[3]);
+  clients = silc_client_get_clients_local(client, conn, cmd->argv[3], FALSE);
   if (!clients)
     /* Resolve client information */
-    SILC_FSM_CALL(silc_client_get_clients(client, conn, nickname, cmd->argv[3],
+    SILC_FSM_CALL(silc_client_get_clients(client, conn, nickname, NULL,
                                          silc_client_command_resolve_continue,
                                          cmd));
 
@@ -1924,7 +2026,7 @@ SILC_FSM_STATE(silc_client_command_cumode)
            pass = cmd->argv[6];
          if (!silc_load_key_pair(cmd->argv[4], cmd->argv[5], pass,
                                  &pubkey, &privkey)) {
-           SAY(conn->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+           SAY(conn->client, conn, SILC_CLIENT_MESSAGE_COMMAND_ERROR,
                "Could not load key pair, check your arguments");
            COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
            goto out;
@@ -1933,7 +2035,7 @@ SILC_FSM_STATE(silc_client_command_cumode)
 
        auth = silc_auth_public_key_auth_generate(pubkey, privkey,
                                                  conn->client->rng,
-                                                 conn->client->sha1hash,
+                                                 conn->internal->sha1hash,
                                                  conn->local_id,
                                                  SILC_ID_CLIENT);
        mode |= SILC_CHANNEL_UMODE_CHANFO;
@@ -1996,6 +2098,7 @@ SILC_FSM_STATE(silc_client_command_cumode)
     silc_buffer_free(auth);
   silc_free(nickname);
   silc_client_list_free(client, conn, clients);
+  silc_client_unref_channel(client, conn, channel);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -2005,6 +2108,7 @@ SILC_FSM_STATE(silc_client_command_cumode)
   return SILC_FSM_CONTINUE;
 
  out:
+  silc_client_unref_channel(client, conn, channel);
   silc_client_list_free(client, conn, clients);
   silc_free(nickname);
   return SILC_FSM_FINISH;
@@ -2019,12 +2123,11 @@ SILC_FSM_STATE(silc_client_command_kick)
   SilcClientCommandContext cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
   SilcClient client = conn->client;
-  SilcChannelEntry channel;
+  SilcChannelEntry channel = NULL;
   SilcBuffer idp, idp2;
   SilcClientEntry target;
   SilcDList clients = NULL;
-  char *name;
-  char *nickname = NULL;
+  char *name, tmp[512];
 
   if (cmd->argc < 3) {
     SAY(conn->client, conn, SILC_CLIENT_MESSAGE_INFO,
@@ -2038,7 +2141,15 @@ SILC_FSM_STATE(silc_client_command_kick)
       COMMAND_ERROR(SILC_STATUS_ERR_NOT_ON_CHANNEL);
       goto out;
     }
-    name = conn->current_channel->channel_name;
+
+    if (client->internal->params->full_channel_names)
+      silc_snprintf(tmp, sizeof(tmp), conn->current_channel->channel_name);
+    else
+      silc_snprintf(tmp, sizeof(tmp), "%s%s%s",
+                   conn->current_channel->channel_name,
+                   conn->current_channel->server[0] ? "@" : "",
+                   conn->current_channel->server);
+    name = tmp;
   } else {
     name = cmd->argv[1];
   }
@@ -2055,15 +2166,8 @@ SILC_FSM_STATE(silc_client_command_kick)
     goto out;
   }
 
-  /* Parse the typed nickname. */
-  if (client->internal->params->nickname_parse)
-    client->internal->params->nickname_parse(cmd->argv[2], &nickname);
-  else
-    nickname = strdup(cmd->argv[2]);
-
   /* Get the target client */
-  clients = silc_client_get_clients_local(client, conn, nickname,
-                                         cmd->argv[2]);
+  clients = silc_client_get_clients_local(client, conn, cmd->argv[2], FALSE);
   if (!clients) {
     SAY(conn->client, conn, SILC_CLIENT_MESSAGE_INFO,
        "No such client: %s", cmd->argv[2]);
@@ -2087,8 +2191,8 @@ SILC_FSM_STATE(silc_client_command_kick)
 
   silc_buffer_free(idp);
   silc_buffer_free(idp2);
-  silc_free(nickname);
   silc_client_list_free(client, conn, clients);
+  silc_client_unref_channel(client, conn, channel);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -2098,7 +2202,7 @@ SILC_FSM_STATE(silc_client_command_kick)
   return SILC_FSM_CONTINUE;
 
  out:
-  silc_free(nickname);
+  silc_client_unref_channel(client, conn, channel);
   return SILC_FSM_FINISH;
 }
 
@@ -2111,7 +2215,7 @@ typedef struct {
 
 /* Ask passphrase callback */
 
-static void silc_client_command_oper_cb(unsigned char *data,
+static void silc_client_command_oper_cb(const unsigned char *data,
                                        SilcUInt32 data_len, void *context)
 {
   SilcClientCommandContext cmd = context;
@@ -2182,6 +2286,8 @@ SILC_FSM_STATE(silc_client_command_oper)
     return SILC_FSM_FINISH;
   }
 
+  silc_fsm_next(fsm, silc_client_command_oper_send);
+
   /* Get passphrase */
   if (cmd->argc < 3) {
     oper = silc_calloc(1, sizeof(*oper));
@@ -2193,7 +2299,6 @@ SILC_FSM_STATE(silc_client_command_oper)
                                      silc_client_command_oper_cb, cmd));
   }
 
-  silc_fsm_next(fsm, silc_client_command_oper_send);
   return SILC_FSM_CONTINUE;
 }
 
@@ -2212,6 +2317,8 @@ SILC_FSM_STATE(silc_client_command_silcoper)
     return SILC_FSM_FINISH;
   }
 
+  silc_fsm_next(fsm, silc_client_command_oper_send);
+
   /* Get passphrase */
   if (cmd->argc < 3) {
     oper = silc_calloc(1, sizeof(*oper));
@@ -2223,7 +2330,6 @@ SILC_FSM_STATE(silc_client_command_silcoper)
                                      silc_client_command_oper_cb, cmd));
   }
 
-  silc_fsm_next(fsm, silc_client_command_oper_send);
   return SILC_FSM_CONTINUE;
 }
 
@@ -2235,6 +2341,7 @@ SILC_FSM_STATE(silc_client_command_ban)
 {
   SilcClientCommandContext cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
+  SilcClient client = conn->client;
   SilcChannelEntry channel;
   SilcBuffer chidp, args = NULL;
   char *name, *ban = NULL;
@@ -2256,6 +2363,7 @@ SILC_FSM_STATE(silc_client_command_ban)
     }
 
     channel = conn->current_channel;
+    silc_client_ref_channel(client, conn, channel);
   } else {
     name = cmd->argv[1];
 
@@ -2305,6 +2413,7 @@ SILC_FSM_STATE(silc_client_command_ban)
 
   silc_buffer_free(chidp);
   silc_buffer_free(args);
+  silc_client_unref_channel(client, conn, channel);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -2373,7 +2482,7 @@ SILC_FSM_STATE(silc_client_command_watch)
     SilcBuffer buffer;
 
     if (!silc_pkcs_load_public_key(pubkey, &pk)) {
-      SAY(conn->client, conn, SILC_CLIENT_MESSAGE_ERROR,
+      SAY(conn->client, conn, SILC_CLIENT_MESSAGE_COMMAND_ERROR,
          "Could not load public key %s, check the filename", pubkey);
       COMMAND_ERROR(SILC_STATUS_ERR_NOT_ENOUGH_PARAMS);
       goto out;
@@ -2390,9 +2499,16 @@ SILC_FSM_STATE(silc_client_command_watch)
     silc_pkcs_public_key_free(pk);
   }
 
+  /* If watching by nickname, resolve all users with that nickname so that
+     we get their information immediately. */
+  if (type == 2)
+    silc_client_get_clients(conn->client, conn, cmd->argv[2], NULL,
+                           silc_client_command_resolve_dummy, NULL);
+
   /* Send the commmand */
   silc_client_command_send_va(conn, cmd, cmd->cmd, NULL, NULL, 2,
-                             1, silc_buffer_datalen(conn->local_idp),
+                             1, silc_buffer_datalen(conn->internal->
+                                                    local_idp),
                              type, pubkey ? args->data : cmd->argv[2],
                              pubkey ? silc_buffer_len(args) :
                              cmd->argv_lens[2]);
@@ -2418,9 +2534,10 @@ SILC_FSM_STATE(silc_client_command_leave)
 {
   SilcClientCommandContext cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
+  SilcClient client = conn->client;
   SilcChannelEntry channel;
   SilcBuffer idp;
-  char *name;
+  char *name, tmp[512];
 
   if (cmd->argc != 2) {
     SAY(conn->client, conn, SILC_CLIENT_MESSAGE_INFO,
@@ -2434,7 +2551,15 @@ SILC_FSM_STATE(silc_client_command_leave)
       COMMAND_ERROR(SILC_STATUS_ERR_NOT_ON_CHANNEL);
       goto out;
     }
-    name = conn->current_channel->channel_name;
+
+    if (client->internal->params->full_channel_names)
+      silc_snprintf(tmp, sizeof(tmp), conn->current_channel->channel_name);
+    else
+      silc_snprintf(tmp, sizeof(tmp), "%s%s%s",
+                   conn->current_channel->channel_name,
+                   conn->current_channel->server[0] ? "@" : "",
+                   conn->current_channel->server);
+    name = tmp;
   } else {
     name = cmd->argv[1];
   }
@@ -2460,6 +2585,8 @@ SILC_FSM_STATE(silc_client_command_leave)
   if (conn->current_channel == channel)
     conn->current_channel = NULL;
 
+  silc_client_unref_channel(client, conn, channel);
+
   /** Wait for command reply */
   silc_fsm_next(fsm, silc_client_command_reply_wait);
   return SILC_FSM_CONTINUE;
@@ -2477,7 +2604,7 @@ SILC_FSM_STATE(silc_client_command_users)
 {
   SilcClientCommandContext cmd = fsm_context;
   SilcClientConnection conn = cmd->conn;
-  char *name;
+  char *name, tmp[512];
 
   if (cmd->argc != 2) {
     SAY(conn->client, conn, SILC_CLIENT_MESSAGE_INFO,
@@ -2491,7 +2618,15 @@ SILC_FSM_STATE(silc_client_command_users)
       COMMAND_ERROR(SILC_STATUS_ERR_NOT_ON_CHANNEL);
       goto out;
     }
-    name = conn->current_channel->channel_name;
+
+    if (conn->client->internal->params->full_channel_names)
+      silc_snprintf(tmp, sizeof(tmp), conn->current_channel->channel_name);
+    else
+      silc_snprintf(tmp, sizeof(tmp), "%s%s%s",
+                   conn->current_channel->channel_name,
+                   conn->current_channel->server[0] ? "@" : "",
+                   conn->current_channel->server);
+    name = tmp;
   } else {
     name = cmd->argv[1];
   }
@@ -2523,7 +2658,6 @@ SILC_FSM_STATE(silc_client_command_getkey)
   SilcClientEntry client_entry;
   SilcServerEntry server_entry;
   SilcDList clients;
-  char *nickname = NULL;
   SilcBuffer idp;
 
   if (cmd->argc < 2) {
@@ -2533,24 +2667,22 @@ SILC_FSM_STATE(silc_client_command_getkey)
     return SILC_FSM_FINISH;
   }
 
-  /* Parse the typed nickname. */
-  if (client->internal->params->nickname_parse)
-    client->internal->params->nickname_parse(cmd->argv[1], &nickname);
-  else
-    nickname = strdup(cmd->argv[1]);
-  if (!nickname) {
-    COMMAND_ERROR(SILC_STATUS_ERR_RESOURCE_LIMIT);
-    return SILC_FSM_FINISH;
-  }
-
   /* Find client entry */
-  clients = silc_client_get_clients_local(client, conn, nickname,
-                                         cmd->argv[1]);
+  clients = silc_client_get_clients_local(client, conn, cmd->argv[1], FALSE);
   if (!clients) {
     /* Check whether user requested server */
     server_entry = silc_client_get_server(client, conn, cmd->argv[1]);
     if (!server_entry) {
+      if (cmd->resolved) {
+       /* Resolving didn't find anything.  We should never get here as
+          errors are handled in the resolving callback. */
+       COMMAND_ERROR(SILC_STATUS_ERR_NO_SUCH_NICK);
+       COMMAND_ERROR(SILC_STATUS_ERR_NO_SUCH_SERVER);
+       return SILC_FSM_FINISH;
+      }
+
       /* No client or server exist with this name, query for both. */
+      cmd->resolved = TRUE;
       SILC_FSM_CALL(silc_client_command_send(client, conn,
                                             SILC_COMMAND_IDENTIFY,
                                             silc_client_command_continue,
@@ -2559,8 +2691,10 @@ SILC_FSM_STATE(silc_client_command_getkey)
                                             strlen(cmd->argv[1]),
                                             2, cmd->argv[1],
                                             strlen(cmd->argv[1])));
+      /* NOT REACHED */
     }
     idp = silc_id_payload_encode(&server_entry->id, SILC_ID_SERVER);
+    silc_client_unref_server(client, conn, server_entry);
   } else {
     client_entry = silc_dlist_get(clients);
     idp = silc_id_payload_encode(&client_entry->id, SILC_ID_CLIENT);
@@ -2572,7 +2706,6 @@ SILC_FSM_STATE(silc_client_command_getkey)
                              1, silc_buffer_datalen(idp));
 
   silc_buffer_free(idp);
-  silc_free(nickname);
 
   /* Notify application */
   COMMAND(SILC_STATUS_OK);
@@ -2701,7 +2834,6 @@ static void silc_client_command_process_whois(SilcClient client,
                                              SilcCommandPayload payload,
                                              SilcArgumentPayload args)
 {
-#if 0
   SilcDList attrs;
   unsigned char *tmp;
   SilcUInt32 tmp_len;
@@ -2725,18 +2857,25 @@ static void silc_client_command_process_whois(SilcClient client,
     return;
   }
 
-  /* Send the attributes back */
+  /* Send the attributes back in COMMAND_REPLY packet */
   packet =
     silc_command_reply_payload_encode_va(SILC_COMMAND_WHOIS,
                                         SILC_STATUS_OK, 0,
                                         silc_command_get_ident(payload),
-                                        1, 11, buffer->data, buffer->len);
-  silc_client_packet_send(client, sock, SILC_PACKET_COMMAND_REPLY,
-                         NULL, 0, NULL, NULL, packet->data,
-                         packet->len, TRUE);
+                                        1, 11, buffer->data,
+                                        silc_buffer_len(buffer));
+  if (!packet) {
+    silc_buffer_free(buffer);
+    return;
+  }
+
+  SILC_LOG_DEBUG(("Sending back requested WHOIS attributes"));
+
+  silc_packet_send(conn->stream, SILC_PACKET_COMMAND_REPLY, 0,
+                  silc_buffer_datalen(packet));
+
   silc_buffer_free(packet);
   silc_buffer_free(buffer);
-#endif /* 0 */
 }
 
 /* Client is able to receive some command packets even though they are
@@ -2772,7 +2911,7 @@ SILC_FSM_STATE(silc_client_command)
 
   case SILC_COMMAND_WHOIS:
     /* Ignore everything if requested by application */
-    if (client->internal->params->ignore_requested_attributes)
+    if (conn->internal->params.ignore_requested_attributes)
       break;
 
     silc_client_command_process_whois(client, conn, payload, args);