Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 1997 - 2003 Pekka Riikonen
+ Copyright (C) 1997 - 2005 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
void *connection)
{
SilcServerEntry server;
+ char *server_namec = NULL;
SILC_LOG_DEBUG(("Adding new server entry"));
+ /* Normalize name. This is cached, original is in server context. */
+ if (server_name) {
+ server_namec = silc_identifier_check(server_name, strlen(server_name),
+ SILC_STRING_UTF8, 256, NULL);
+ if (!server_namec)
+ return NULL;
+ }
+
server = silc_calloc(1, sizeof(*server));
server->server_name = server_name;
server->server_type = server_type;
server->router = router;
server->connection = connection;
- if (!silc_idcache_add(id_list->servers, server->server_name,
+ if (!silc_idcache_add(id_list->servers, server_namec,
(void *)server->id, (void *)server, 0, NULL)) {
silc_free(server);
+ silc_free(server_namec);
return NULL;
}
return server;
}
-/* Find server by name */
+/* Find server by name. The 'name' must be normalized already. */
SilcServerEntry
silc_idlist_find_server_by_name(SilcIDList id_list, char *name,
{
SilcIDCacheEntry id_cache = NULL;
SilcServerEntry server;
+ char *name;
if (!old_id || !new_id)
return NULL;
return NULL;
server = (SilcServerEntry)id_cache->context;
+ name = strdup(id_cache->name);
/* Remove the old entry and add a new one */
silc_free(server->id);
server->id = new_id;
- silc_idcache_add(id_list->servers, server->server_name, server->id,
- server, 0, NULL);
+ silc_idcache_add(id_list->servers, name, server->id, server, 0, NULL);
SILC_LOG_DEBUG(("Found"));
int expire)
{
SilcClientEntry client;
+ char *nicknamec = NULL;
SILC_LOG_DEBUG(("Adding new client entry"));
+ /* Normalize name. This is cached, original is in client context. */
+ if (nickname) {
+ nicknamec = silc_identifier_check(nickname, strlen(nickname),
+ SILC_STRING_UTF8, 128, NULL);
+ if (!nicknamec)
+ return NULL;
+ }
+
+ /* Check username. */
+ if (username) {
+ char *u = NULL, *h = NULL;
+ silc_parse_userfqdn(username, &u, &h);
+ if (!u)
+ return NULL;
+ if (!silc_identifier_verify(u, strlen(u), SILC_STRING_UTF8, 128)) {
+ silc_free(u);
+ silc_free(h);
+ return NULL;
+ }
+ if (h && !silc_identifier_verify(h, strlen(h), SILC_STRING_UTF8, 256)) {
+ silc_free(u);
+ silc_free(h);
+ return NULL;
+ }
+ }
+
client = silc_calloc(1, sizeof(*client));
client->nickname = nickname;
- client->username = username;
+ client->username = username ? strdup(username) : NULL;
client->userinfo = userinfo;
client->id = id;
client->router = router;
client->channels = silc_hash_table_alloc(3, silc_hash_ptr, NULL,
NULL, NULL, NULL, NULL, TRUE);
- if (!silc_idcache_add(id_list->clients, nickname, (void *)client->id,
+ if (!silc_idcache_add(id_list->clients, nicknamec, (void *)client->id,
(void *)client, expire, NULL)) {
silc_hash_table_free(client->channels);
silc_free(client);
+ silc_free(nicknamec);
return NULL;
}
SILC_LOG_DEBUG(("Start"));
if (entry) {
- /* Remove from cache */
+ /* Remove from cache. Destructor callback deletes stuff. */
if (!silc_idcache_del_by_context(id_list->clients, entry)) {
SILC_LOG_DEBUG(("Unknown client, did not delete"));
return FALSE;
assert(!silc_hash_table_count(entry->channels));
- /* Free data */
silc_free(entry->nickname);
silc_free(entry->servername);
silc_free(entry->username);
return FALSE;
}
+/* ID Cache destructor */
+
+void silc_idlist_client_destructor(SilcIDCache cache,
+ SilcIDCacheEntry entry)
+{
+ SilcClientEntry client;
+
+ client = (SilcClientEntry)entry->context;
+ if (client) {
+ assert(!silc_hash_table_count(client->channels));
+ silc_free(client->nickname);
+ silc_free(client->servername);
+ silc_free(client->username);
+ silc_free(client->userinfo);
+ silc_free(client->id);
+ silc_free(client->attrs);
+ silc_hash_table_free(client->channels);
+
+ memset(client, 'A', sizeof(*client));
+ silc_free(client);
+ }
+}
+
/* Returns all clients matching requested nickname. Number of clients is
- returned to `clients_count'. Caller must free the returned table. */
+ returned to `clients_count'. Caller must free the returned table.
+ The 'nickname' must be normalized already. */
int silc_idlist_get_clients_by_nickname(SilcIDList id_list, char *nickname,
char *server,
while (silc_idcache_list_next(list, &id_cache))
(*clients)[(*clients_count)++] = (SilcClientEntry)id_cache->context;
-
silc_idcache_list_free(list);
SILC_LOG_DEBUG(("Found total %d clients", *clients_count));
}
/* Returns all clients matching requested nickname hash. Number of clients
- is returned to `clients_count'. Caller must free the returned table. */
+ is returned to `clients_count'. Caller must free the returned table.
+ The 'nickname' must be normalized already. */
int silc_idlist_get_clients_by_hash(SilcIDList id_list, char *nickname,
SilcHash md5hash,
SilcIDCacheEntry id_cache = NULL;
unsigned char hash[32];
SilcClientID client_id;
- char nick[128 + 1];
SILC_LOG_DEBUG(("Start"));
- memset(nick, 0, sizeof(nick));
- silc_to_lower(nickname, nick, sizeof(nick) - 1);
- silc_hash_make(md5hash, nick, strlen(nick), hash);
+ silc_hash_make(md5hash, nickname, strlen(nickname), hash);
/* As the Client ID is hashed in the ID cache by hashing only the hash
from the Client ID, we can do a lookup with only the hash not the
{
SilcIDCacheEntry id_cache = NULL;
SilcClientEntry client;
+ char *nicknamec = NULL;
if (!old_id || !new_id)
return NULL;
SILC_LOG_DEBUG(("Replacing Client ID"));
+ /* Normalize name. This is cached, original is in client context. */
+ if (nickname) {
+ nicknamec = silc_identifier_check(nickname, strlen(nickname),
+ SILC_STRING_UTF8, 128, NULL);
+ if (!nicknamec)
+ return NULL;
+ }
+
/* Do extended search since the normal ID comparison function for
Client ID's compares only the hash from the Client ID and not the
entire ID. The silc_hash_client_id_compare compares the entire
silc_server_check_watcher_list(server, client, nickname,
SILC_NOTIFY_TYPE_NICK_CHANGE);
- if (!silc_idcache_add(id_list->clients, client->nickname, client->id,
+ if (!silc_idcache_add(id_list->clients, nicknamec, client->id,
client, 0, NULL))
return NULL;
return client;
}
-/* Client cache entry destructor that is called when the cache is purged. */
-
-void silc_idlist_client_destructor(SilcIDCache cache,
- SilcIDCacheEntry entry)
-{
- SilcClientEntry client;
-
- client = (SilcClientEntry)entry->context;
- if (client) {
- assert(!silc_hash_table_count(client->channels));
- silc_free(client->nickname);
- silc_free(client->username);
- silc_free(client->userinfo);
- silc_free(client->id);
- silc_free(client->attrs);
- silc_hash_table_free(client->channels);
-
- memset(client, 'A', sizeof(*client));
- silc_free(client);
- }
-}
/******************************************************************************
int expire)
{
SilcChannelEntry channel;
+ char *channel_namec = NULL;
SILC_LOG_DEBUG(("Adding new channel %s", channel_name));
+ /* Normalize name. This is cached, original is in client context. */
+ if (channel_name) {
+ channel_namec = silc_channel_name_check(channel_name, strlen(channel_name),
+ SILC_STRING_UTF8, 256, NULL);
+ if (!channel_namec)
+ return NULL;
+ }
+
channel = silc_calloc(1, sizeof(*channel));
channel->channel_name = channel_name;
channel->mode = mode;
channel->user_list = silc_hash_table_alloc(3, silc_hash_ptr, NULL, NULL,
NULL, NULL, NULL, TRUE);
- if (!silc_idcache_add(id_list->channels, channel->channel_name,
+ if (!silc_idcache_add(id_list->channels, channel_namec,
(void *)channel->id, (void *)channel, expire, NULL)) {
silc_hmac_free(channel->hmac);
silc_hash_table_free(channel->user_list);
silc_free(channel);
+ silc_free(channel_namec);
return NULL;
}
}
/* Finds channel by channel name. Channel names are unique and they
- are not case-sensitive. */
+ are not case-sensitive. The 'name' must be normalized already. */
SilcChannelEntry
silc_idlist_find_channel_by_name(SilcIDList id_list, char *name,
{
SilcIDCacheEntry id_cache = NULL;
SilcChannelEntry channel;
+ char *name;
if (!old_id || !new_id)
return NULL;
return NULL;
channel = (SilcChannelEntry)id_cache->context;
+ name = strdup(id_cache->name);
/* Remove the old entry and add a new one */
silc_free(channel->id);
channel->id = new_id;
- silc_idcache_add(id_list->channels, channel->channel_name, channel->id,
- channel, 0, NULL);
+ silc_idcache_add(id_list->channels, name, channel->id, channel, 0, NULL);
SILC_LOG_DEBUG(("Replaced"));