updates.
[silc.git] / apps / silcd / command_reply.c
index 360b85d2ae378320d40925ba0b461c443d92f205..79eb2bbeabebbc518b25719608d2e336f2e17d5f 100644 (file)
@@ -50,9 +50,12 @@ do {                                                                   \
    they are never sent by server. More maybe added later if need appears. */
 SilcServerCommandReply silc_command_reply_list[] =
 {
-  SILC_SERVER_CMD_REPLY(join, JOIN),
   SILC_SERVER_CMD_REPLY(whois, WHOIS),
+  SILC_SERVER_CMD_REPLY(whowas, WHOWAS),
   SILC_SERVER_CMD_REPLY(identify, IDENTIFY),
+  SILC_SERVER_CMD_REPLY(info, INFO),
+  SILC_SERVER_CMD_REPLY(motd, MOTD),
+  SILC_SERVER_CMD_REPLY(join, JOIN),
   SILC_SERVER_CMD_REPLY(users, USERS),
 
   { NULL, 0 },
@@ -119,22 +122,21 @@ void silc_server_command_reply_free(SilcServerCommandReplyContext cmd)
   }
 }
 
-/* Caches the received WHOIS information. If we are normal server currently
-   we cache global information only for short period of time.  */
-/* XXX cache expirying not implemented yet! */
+/* Caches the received WHOIS information. */
 
 static char
 silc_server_command_reply_whois_save(SilcServerCommandReplyContext cmd)
 {
   SilcServer server = cmd->server;
   int len, id_len;
-  unsigned char *id_data;
+  unsigned char *tmp, *id_data;
   char *nickname, *username, *realname;
   SilcClientID *client_id;
   SilcClientEntry client;
   SilcIDCacheEntry cache = NULL;
   char global = FALSE;
   char *nick;
+  unsigned int mode = 0;
 
   id_data = silc_argument_get_arg_type(cmd->args, 2, &id_len);
   nickname = silc_argument_get_arg_type(cmd->args, 3, &len);
@@ -148,6 +150,10 @@ silc_server_command_reply_whois_save(SilcServerCommandReplyContext cmd)
     return FALSE;
   }
 
+  tmp = silc_argument_get_arg_type(cmd->args, 7, &len);
+  if (tmp)
+    SILC_GET32_MSB(mode, tmp);
+
   client_id = silc_id_payload_parse_id(id_data, id_len);
   if (!client_id)
     return FALSE;
@@ -180,10 +186,15 @@ silc_server_command_reply_whois_save(SilcServerCommandReplyContext cmd)
     /* We don't have that client anywhere, add it. The client is added
        to global list since server didn't have it in the lists so it must be 
        global. */
-    silc_idlist_add_client(server->global_list, nick,
-                          strdup(username), 
-                          strdup(realname), client_id, 
-                          cmd->sock->user_data, NULL);
+    client = silc_idlist_add_client(server->global_list, nick, strlen(nick),
+                                   strdup(username), 
+                                   strdup(realname), client_id, 
+                                   cmd->sock->user_data, NULL);
+    if (!client)
+      return FALSE;
+
+    client->data.registered = TRUE;
+    client->mode = mode;
   } else {
     /* We have the client already, update the data */
 
@@ -208,9 +219,11 @@ silc_server_command_reply_whois_save(SilcServerCommandReplyContext cmd)
     client->nickname = nick;
     client->username = strdup(username);
     client->userinfo = strdup(realname);
+    client->mode = mode;
 
     if (cache) {
       cache->data = nick;
+      cache->data_len = strlen(nick);
       silc_idcache_sort_by_data(global ? server->global_list->clients : 
                                server->local_list->clients);
     }
@@ -245,6 +258,126 @@ SILC_SERVER_CMD_REPLY_FUNC(whois)
   silc_server_command_reply_free(cmd);
 }
 
+/* Caches the received WHOWAS information for a short period of time. */
+
+static char
+silc_server_command_reply_whowas_save(SilcServerCommandReplyContext cmd)
+{
+  SilcServer server = cmd->server;
+  int len, id_len;
+  unsigned char *id_data;
+  char *nickname, *username, *realname;
+  SilcClientID *client_id;
+  SilcClientEntry client;
+  SilcIDCacheEntry cache = NULL;
+  char *nick;
+  int global = FALSE;
+
+  id_data = silc_argument_get_arg_type(cmd->args, 2, &id_len);
+  nickname = silc_argument_get_arg_type(cmd->args, 3, &len);
+  username = silc_argument_get_arg_type(cmd->args, 4, &len);
+  if (!id_data || !nickname || !username)
+    return FALSE;
+
+  realname = silc_argument_get_arg_type(cmd->args, 5, &len);
+
+  client_id = silc_id_payload_parse_id(id_data, id_len);
+  if (!client_id)
+    return FALSE;
+
+  /* Check if we have this client cached already. */
+
+  client = silc_idlist_find_client_by_id(server->local_list, client_id,
+                                        &cache);
+  if (!client) {
+    client = silc_idlist_find_client_by_id(server->global_list, 
+                                          client_id, &cache);
+    global = TRUE;
+  }
+
+  if (!client) {
+    /* If router did not find such Client ID in its lists then this must
+       be bogus client or some router in the net is buggy. */
+    if (server->server_type == SILC_ROUTER)
+      return FALSE;
+
+    /* Take hostname out of nick string if it includes it. */
+    if (strchr(nickname, '@')) {
+      int len = strcspn(nickname, "@");
+      nick = silc_calloc(len + 1, sizeof(char));
+      memcpy(nick, nickname, len);
+    } else {
+      nick = strdup(nickname);
+    }
+
+    /* We don't have that client anywhere, add it. The client is added
+       to global list since server didn't have it in the lists so it must be 
+       global. */
+    client = silc_idlist_add_client(server->global_list, nick, strlen(nick),
+                                   strdup(username), strdup(realname), 
+                                   silc_id_dup(client_id, SILC_ID_CLIENT), 
+                                   cmd->sock->user_data, NULL);
+    if (!client)
+      return FALSE;
+
+    client->data.registered = FALSE;
+    client = silc_idlist_find_client_by_id(server->global_list, 
+                                          client_id, &cache);
+    cache->expire = SILC_ID_CACHE_EXPIRE_DEF;
+  } else {
+    /* We have the client already, update the data */
+
+    /* Take hostname out of nick string if it includes it. */
+    if (strchr(nickname, '@')) {
+      int len = strcspn(nickname, "@");
+      nick = silc_calloc(len + 1, sizeof(char));
+      memcpy(nick, nickname, len);
+    } else {
+      nick = strdup(nickname);
+    }
+
+    if (client->nickname)
+      silc_free(client->nickname);
+    if (client->username)
+      silc_free(client->username);
+    
+    client->nickname = nick;
+    client->username = strdup(username);
+
+    if (cache) {
+      cache->data = nick;
+      cache->data_len = strlen(nick);
+      silc_idcache_sort_by_data(global ? server->global_list->clients : 
+                               server->local_list->clients);
+    }
+  }
+
+  silc_free(client_id);
+
+  return TRUE;
+}
+
+/* Received reply for WHOWAS command. Cache the client information only for
+   a short period of time. */
+
+SILC_SERVER_CMD_REPLY_FUNC(whowas)
+{
+  SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
+  SilcCommandStatus status;
+
+  COMMAND_CHECK_STATUS_LIST;
+
+  if (!silc_server_command_reply_whowas_save(cmd))
+    goto out;
+
+  /* Execute any pending commands */
+  SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_WHOWAS);
+
+ out:
+  SILC_SERVER_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_WHOWAS);
+  silc_server_command_reply_free(cmd);
+}
+
 /* Caches the received IDENTIFY information. */
 
 static char
@@ -300,9 +433,10 @@ silc_server_command_reply_identify_save(SilcServerCommandReplyContext cmd)
     /* We don't have that client anywhere, add it. The client is added
        to global list since server didn't have it in the lists so it must be 
        global. */
-    silc_idlist_add_client(server->global_list, nick,
-                          username ? strdup(username) : NULL, NULL,
-                          client_id, cmd->sock->user_data, NULL);
+    client = silc_idlist_add_client(server->global_list, nick, strlen(nick),
+                                   username ? strdup(username) : NULL, NULL,
+                                   client_id, cmd->sock->user_data, NULL);
+    client->data.registered = TRUE;
   } else {
     /* We have the client already, update the data */
 
@@ -332,6 +466,7 @@ silc_server_command_reply_identify_save(SilcServerCommandReplyContext cmd)
 
     if (nickname && cache) {
       cache->data = nick;
+      cache->data_len = strlen(nick);
       silc_idcache_sort_by_data(global ? server->global_list->clients : 
                                server->local_list->clients);
     }
@@ -365,6 +500,111 @@ SILC_SERVER_CMD_REPLY_FUNC(identify)
   silc_server_command_reply_free(cmd);
 }
 
+/* Received reply fro INFO command. Cache the server and its information */
+
+SILC_SERVER_CMD_REPLY_FUNC(info)
+{
+  SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
+  SilcServer server = cmd->server;
+  SilcCommandStatus status;
+  SilcServerEntry entry;
+  SilcServerID *server_id;
+  unsigned int tmp_len;
+  unsigned char *tmp, *name;
+
+  COMMAND_CHECK_STATUS;
+
+  /* Get Server ID */
+  tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
+  if (!tmp)
+    goto out;
+  server_id = silc_id_payload_parse_id(tmp, tmp_len);
+  if (!server_id)
+    goto out;
+
+  /* Get the name */
+  name = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
+  if (tmp_len > 256)
+    goto out;
+
+  entry = silc_idlist_find_server_by_id(server->local_list, server_id, NULL);
+  if (!entry) {
+    entry = silc_idlist_find_server_by_id(server->global_list, server_id, 
+                                         NULL);
+    if (!entry) {
+      /* Add the server to global list */
+      server_id = silc_id_dup(server_id, SILC_ID_SERVER);
+      entry = silc_idlist_add_server(server->global_list, name, 0,
+                                    server_id, NULL, NULL);
+      if (!entry) {
+       silc_free(server_id);
+       goto out;
+      }
+    }
+  }
+
+  /* Get the info string */
+  tmp = silc_argument_get_arg_type(cmd->args, 4, &tmp_len);
+  if (tmp_len > 256)
+    tmp = NULL;
+
+  entry->server_info = tmp ? strdup(tmp) : NULL;
+
+  /* Execute any pending commands */
+  SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_INFO);
+
+ out:
+  SILC_SERVER_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_INFO);
+  silc_server_command_reply_free(cmd);
+}
+
+/* Received reply fro MOTD command. */
+
+SILC_SERVER_CMD_REPLY_FUNC(motd)
+{
+  SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
+  SilcServer server = cmd->server;
+  SilcCommandStatus status;
+  SilcServerEntry entry;
+  SilcServerID *server_id;
+  unsigned int tmp_len;
+  unsigned char *tmp;
+
+  COMMAND_CHECK_STATUS;
+
+  /* Get Server ID */
+  tmp = silc_argument_get_arg_type(cmd->args, 2, &tmp_len);
+  if (!tmp)
+    goto out;
+  server_id = silc_id_payload_parse_id(tmp, tmp_len);
+  if (!server_id)
+    goto out;
+
+  entry = silc_idlist_find_server_by_id(server->local_list, server_id, NULL);
+  if (!entry) {
+    entry = silc_idlist_find_server_by_id(server->global_list, server_id, 
+                                         NULL);
+    if (!entry)
+      goto out;
+  }
+
+  /* Get the motd */
+  tmp = silc_argument_get_arg_type(cmd->args, 3, &tmp_len);
+  if (tmp_len > 256)
+    tmp = NULL;
+
+  entry->motd = tmp;
+
+  /* Execute any pending commands */
+  SILC_SERVER_PENDING_EXEC(cmd, SILC_COMMAND_MOTD);
+
+  entry->motd = NULL;
+
+ out:
+  SILC_SERVER_PENDING_DESTRUCTOR(cmd, SILC_COMMAND_MOTD);
+  silc_server_command_reply_free(cmd);
+}
+
 /* Received reply for forwarded JOIN command. Router has created or joined
    the client to the channel. We save some channel information locally
    for future use. */
@@ -373,6 +613,7 @@ SILC_SERVER_CMD_REPLY_FUNC(join)
 {
   SilcServerCommandReplyContext cmd = (SilcServerCommandReplyContext)context;
   SilcServer server = cmd->server;
+  SilcIDCacheEntry cache = NULL;
   SilcCommandStatus status;
   SilcChannelID *id;
   SilcClientID *client_id = NULL;
@@ -382,7 +623,7 @@ SILC_SERVER_CMD_REPLY_FUNC(join)
   unsigned char *id_string;
   char *channel_name, *tmp;
   unsigned int mode, created;
-  SilcBuffer keyp, client_id_list, client_mode_list;
+  SilcBuffer keyp = NULL, client_id_list, client_mode_list;
 
   COMMAND_CHECK_STATUS;
 
@@ -420,11 +661,11 @@ SILC_SERVER_CMD_REPLY_FUNC(join)
 
   /* Get channel key */
   tmp = silc_argument_get_arg_type(cmd->args, 7, &len);
-  if (!tmp)
-    goto out;
-  keyp = silc_buffer_alloc(len);
-  silc_buffer_pull_tail(keyp, SILC_BUFFER_END(keyp));
-  silc_buffer_put(keyp, tmp, len);
+  if (tmp) {
+    keyp = silc_buffer_alloc(len);
+    silc_buffer_pull_tail(keyp, SILC_BUFFER_END(keyp));
+    silc_buffer_put(keyp, tmp, len);
+  }
 
   id = silc_id_payload_parse_id(id_string, id_len);
   if (!id)
@@ -462,7 +703,8 @@ SILC_SERVER_CMD_REPLY_FUNC(join)
   silc_buffer_put(client_mode_list, tmp, len);
 
   /* See whether we already have the channel. */
-  entry = silc_idlist_find_channel_by_id(server->local_list, id, NULL);
+  entry = silc_idlist_find_channel_by_name(server->local_list, 
+                                          channel_name, &cache);
   if (!entry) {
     /* Add new channel */
 
@@ -479,7 +721,52 @@ SILC_SERVER_CMD_REPLY_FUNC(join)
       goto out;
     }
   } else {
-    silc_free(id);
+    /* The entry exists. */
+    if (entry->id)
+      silc_free(entry->id);
+    entry->id = id;
+    cache->id = entry->id;
+
+    /* Remove the founder auth data if the mode is not set but we have
+       them in the entry */
+    if (!(mode & SILC_CHANNEL_MODE_FOUNDER_AUTH) && entry->founder_key) {
+      silc_pkcs_public_key_free(entry->founder_key);
+      if (entry->founder_passwd) {
+       silc_free(entry->founder_passwd);
+       entry->founder_passwd = NULL;
+      }
+    }
+  }
+
+  if (entry->hmac_name && hmac) {
+    silc_free(entry->hmac_name);
+    entry->hmac_name = strdup(hmac->hmac->name);
+  }
+
+  /* Get the ban list */
+  tmp = silc_argument_get_arg_type(cmd->args, 8, &len);
+  if (tmp) {
+    if (entry->ban_list)
+      silc_free(entry->ban_list);
+    entry->ban_list = silc_calloc(len, sizeof(*entry->ban_list));
+    memcpy(entry->ban_list, tmp, len);
+  }
+
+  /* Get the invite list */
+  tmp = silc_argument_get_arg_type(cmd->args, 9, &len);
+  if (tmp) {
+    if (entry->invite_list)
+      silc_free(entry->invite_list);
+    entry->invite_list = silc_calloc(len, sizeof(*entry->invite_list));
+    memcpy(entry->invite_list, tmp, len);
+  }
+
+  /* Get the topic */
+  tmp = silc_argument_get_arg_type(cmd->args, 10, &len);
+  if (tmp) {
+    if (entry->topic)
+      silc_free(entry->topic);
+    entry->topic = strdup(tmp);
   }
 
   /* If channel was not created we know there is global users on the 
@@ -497,8 +784,11 @@ SILC_SERVER_CMD_REPLY_FUNC(join)
   entry->mode = mode;
 
   /* Save channel key */
-  silc_server_save_channel_key(server, keyp, entry);
-  silc_buffer_free(keyp);
+  if (!(entry->mode & SILC_CHANNEL_MODE_PRIVKEY)) {
+    silc_server_save_channel_key(server, keyp, entry);
+  }
+  if (keyp)
+    silc_buffer_free(keyp);
 
   /* Save the users to the channel */
   silc_server_save_users_on_channel(server, cmd->sock, entry,