SilcIDListData data = (SilcIDListData)entry;
data->send_key = idata->send_key;
data->receive_key = idata->receive_key;
- data->hmac = idata->hmac;
- data->hmac_key = idata->hmac_key;
- data->hmac_key_len = idata->hmac_key_len;
- data->pkcs = idata->pkcs;
+ data->rekey = idata->rekey;
+ data->hash = idata->hash;
+ data->hmac_send = idata->hmac_send;
+ data->hmac_receive = idata->hmac_receive;
data->public_key = idata->public_key;
data->last_receive = idata->last_receive;
data->last_sent = idata->last_sent;
silc_cipher_free(idata->send_key);
if (idata->receive_key)
silc_cipher_free(idata->receive_key);
- if (idata->hmac)
- silc_hmac_free(idata->hmac);
- if (idata->hmac_key) {
- memset(idata->hmac_key, 0, idata->hmac_key_len);
- silc_free(idata->hmac_key);
+ if (idata->rekey) {
+ if (idata->rekey->send_enc_key) {
+ memset(idata->rekey->send_enc_key, 0, idata->rekey->enc_key_len);
+ silc_free(idata->rekey->send_enc_key);
+ }
+ silc_free(idata->rekey);
}
- if (idata->pkcs)
- silc_pkcs_free(idata->pkcs);
+ if (idata->hmac_send) /* Same as idata->hmac_receive */
+ silc_hmac_free(idata->hmac_send);
if (idata->public_key)
silc_pkcs_public_key_free(idata->public_key);
}
+/* Purges ID cache */
+
+SILC_TASK_CALLBACK_GLOBAL(silc_idlist_purge)
+{
+ SilcIDListPurge i = (SilcIDListPurge)context;
+
+ SILC_LOG_DEBUG(("Start"));
+
+ silc_idcache_purge(i->cache);
+ silc_task_register(i->timeout_queue, 0,
+ silc_idlist_purge,
+ (void *)i, 600, 0,
+ SILC_TASK_TIMEOUT, SILC_TASK_PRI_LOW);
+}
+
/******************************************************************************
Server entry functions
server->router = router;
server->connection = connection;
- if (!silc_idcache_add(id_list->servers, server->server_name, SILC_ID_SERVER,
- (void *)server->id, (void *)server, TRUE)) {
+ if (!silc_idcache_add(id_list->servers, server->server_name,
+ (void *)server->id, (void *)server, FALSE)) {
silc_free(server);
return NULL;
}
silc_id_render(id, SILC_ID_SERVER)));
if (!silc_idcache_find_by_id_one(id_list->servers, (void *)id,
- SILC_ID_SERVER, &id_cache))
+ &id_cache))
return NULL;
server = (SilcServerEntry)id_cache->context;
return server;
}
+/* Find server by name */
+
+SilcServerEntry
+silc_idlist_find_server_by_name(SilcIDList id_list, char *name,
+ SilcIDCacheEntry *ret_entry)
+{
+ SilcIDCacheEntry id_cache = NULL;
+ SilcServerEntry server;
+
+ SILC_LOG_DEBUG(("Server by name `%s'", name));
+
+ if (!silc_idcache_find_by_name_one(id_list->servers, name, &id_cache))
+ return NULL;
+
+ server = (SilcServerEntry)id_cache->context;
+
+ if (ret_entry)
+ *ret_entry = id_cache;
+
+ SILC_LOG_DEBUG(("Found"));
+
+ return server;
+}
+
+/* Find server by connection parameters, hostname and port */
+
+SilcServerEntry
+silc_idlist_find_server_by_conn(SilcIDList id_list, char *hostname,
+ int port, SilcIDCacheEntry *ret_entry)
+{
+ SilcIDCacheList list = NULL;
+ SilcIDCacheEntry id_cache = NULL;
+ SilcServerEntry server = NULL;
+ SilcSocketConnection sock;
+
+ SILC_LOG_DEBUG(("Server by hostname %s and port %d", hostname, port));
+
+ if (!silc_idcache_get_all(id_list->servers, &list))
+ return NULL;
+
+ if (!silc_idcache_list_first(list, &id_cache)) {
+ silc_idcache_list_free(list);
+ return NULL;
+ }
+
+ while (id_cache) {
+ server = (SilcServerEntry)id_cache->context;
+ sock = (SilcSocketConnection)server->connection;
+
+ if (sock && ((sock->hostname && !strcasecmp(sock->hostname, hostname)) ||
+ (sock->ip && !strcasecmp(sock->ip, hostname)))
+ && sock->port == port)
+ break;
+
+ id_cache = NULL;
+ server = NULL;
+
+ if (!silc_idcache_list_next(list, &id_cache))
+ break;
+ }
+
+ silc_idcache_list_free(list);
+
+ if (ret_entry)
+ *ret_entry = id_cache;
+
+ SILC_LOG_DEBUG(("Found"));
+
+ return server;
+}
+
/* Replaces old Server ID with new one */
SilcServerEntry
SILC_LOG_DEBUG(("Replacing Server ID"));
if (!silc_idcache_find_by_id_one(id_list->servers, (void *)old_id,
- SILC_ID_SERVER, &id_cache))
+ &id_cache))
return NULL;
server = (SilcServerEntry)id_cache->context;
silc_free(server->id);
server->id = new_id;
- id_cache->id = (void *)new_id;
+
+ /* Remove the old entry and add a new one */
+ silc_idcache_del_by_context(id_list->servers, server);
+ silc_idcache_add(id_list->servers, server->server_name, server->id,
+ server, FALSE);
+
+ SILC_LOG_DEBUG(("Found"));
return server;
}
/* Removes and free's server entry from ID list */
-void silc_idlist_del_server(SilcIDList id_list, SilcServerEntry entry)
+int silc_idlist_del_server(SilcIDList id_list, SilcServerEntry entry)
{
+ SILC_LOG_DEBUG(("Start"));
+
if (entry) {
/* Remove from cache */
if (entry->id)
- silc_idcache_del_by_id(id_list->servers, SILC_ID_SERVER,
- (void *)entry->id);
+ if (!silc_idcache_del_by_id(id_list->servers, (void *)entry->id))
+ return FALSE;
/* Free data */
if (entry->server_name)
silc_free(entry->server_name);
if (entry->id)
silc_free(entry->id);
+
+ memset(entry, 'F', sizeof(*entry));
+ silc_free(entry);
+ return TRUE;
}
+
+ return FALSE;
}
/******************************************************************************
to be directly connected local client and `router' must be NULL. */
SilcClientEntry
-silc_idlist_add_client(SilcIDList id_list, unsigned char *nickname,
- char *username, char *userinfo, SilcClientID *id,
+silc_idlist_add_client(SilcIDList id_list, char *nickname, char *username,
+ char *userinfo, SilcClientID *id,
SilcServerEntry router, void *connection)
{
SilcClientEntry client;
silc_list_init(client->channels, struct SilcChannelClientEntryStruct,
client_list);
- if (!silc_idcache_add(id_list->clients, nickname, SILC_ID_CLIENT,
- (void *)client->id, (void *)client, TRUE)) {
+ if (!silc_idcache_add(id_list->clients, nickname, (void *)client->id,
+ (void *)client, FALSE)) {
silc_free(client);
return NULL;
}
/* Free client entry. This free's everything and removes the entry
from ID cache. Call silc_idlist_del_data before calling this one. */
-void silc_idlist_del_client(SilcIDList id_list, SilcClientEntry entry)
+int silc_idlist_del_client(SilcIDList id_list, SilcClientEntry entry)
{
+ SILC_LOG_DEBUG(("Start"));
+
if (entry) {
/* Remove from cache */
if (entry->id)
- silc_idcache_del_by_id(id_list->clients, SILC_ID_CLIENT,
- (void *)entry->id);
+ if (!silc_idcache_del_by_context(id_list->clients, entry))
+ return FALSE;
/* Free data */
if (entry->nickname)
silc_free(entry->userinfo);
if (entry->id)
silc_free(entry->id);
- }
-}
-
-/* Returns all clients matching requested nickname. Number of clients is
- returned to `clients_count'. Caller must free the returned table. */
-
-SilcClientEntry *
-silc_idlist_get_clients_by_nickname(SilcIDList id_list, char *nickname,
- char *server, unsigned int *clients_count)
-{
- SilcIDCacheList list = NULL;
- SilcIDCacheEntry id_cache = NULL;
- SilcClientEntry *clients;
- int i;
-
- if (!silc_idcache_find_by_data(id_list->clients, nickname, &list))
- return NULL;
- clients = silc_calloc(silc_idcache_list_count(list), sizeof(*clients));
+ memset(entry, 'F', sizeof(*entry));
+ silc_free(entry);
- i = 0;
- silc_idcache_list_first(list, &id_cache);
- clients[i++] = (SilcClientEntry)id_cache->context;
-
- while (silc_idcache_list_next(list, &id_cache))
- clients[i++] = (SilcClientEntry)id_cache->context;
-
- silc_idcache_list_free(list);
-
- if (clients_count)
- *clients_count = i;
+ return TRUE;
+ }
- return clients;
+ return FALSE;
}
/* Returns all clients matching requested nickname. Number of clients is
returned to `clients_count'. Caller must free the returned table. */
-SilcClientEntry *
-silc_idlist_get_clients_by_hash(SilcIDList id_list, char *nickname,
- SilcHash md5hash,
- unsigned int *clients_count)
+int silc_idlist_get_clients_by_nickname(SilcIDList id_list, char *nickname,
+ char *server,
+ SilcClientEntry **clients,
+ uint32 *clients_count)
{
SilcIDCacheList list = NULL;
SilcIDCacheEntry id_cache = NULL;
- SilcClientEntry *clients;
- unsigned char hash[32];
int i;
- silc_hash_make(md5hash, nickname, strlen(nickname), hash);
+ SILC_LOG_DEBUG(("Start"));
- if (!silc_idcache_find_by_data(id_list->clients, hash, &list))
- return NULL;
+ if (!silc_idcache_find_by_name(id_list->clients, nickname, &list))
+ return FALSE;
- clients = silc_calloc(silc_idcache_list_count(list), sizeof(*clients));
+ *clients = silc_realloc(*clients,
+ (silc_idcache_list_count(list) + *clients_count) *
+ sizeof(**clients));
i = 0;
silc_idcache_list_first(list, &id_cache);
- clients[i++] = (SilcClientEntry)id_cache->context;
+ (*clients)[i++] = (SilcClientEntry)id_cache->context;
while (silc_idcache_list_next(list, &id_cache))
- clients[i++] = (SilcClientEntry)id_cache->context;
+ (*clients)[i++] = (SilcClientEntry)id_cache->context;
silc_idcache_list_free(list);
- if (clients_count)
- *clients_count = i;
-
- return clients;
-}
-
-/* Finds client entry by nickname. */
-
-SilcClientEntry
-silc_idlist_find_client_by_nickname(SilcIDList id_list, char *nickname,
- char *server, SilcIDCacheEntry *ret_entry)
-{
- SilcIDCacheList list = NULL;
- SilcIDCacheEntry id_cache = NULL;
- SilcClientEntry client = NULL;
-
- SILC_LOG_DEBUG(("Client by nickname"));
-
- if (server) {
- if (!silc_idcache_find_by_data(id_list->clients, nickname, &list))
- return NULL;
-
-#if 0
- while (silc_idcache_list_next(list, &id_cache)) {
- client = (SilcClientEntry)id_cache->context;
-
- if (!strcmp(server, XXX, strlen(server)))
- break;
-
- client = NULL;
- }
-#endif
+ *clients_count += i;
- silc_idcache_list_free(list);
+ SILC_LOG_DEBUG(("Found %d clients", *clients_count));
- if (!client)
- return NULL;
- } else {
- if (!silc_idcache_find_by_data_one(id_list->clients, nickname, &id_cache))
- return NULL;
-
- client = (SilcClientEntry)id_cache->context;
-
- if (ret_entry)
- *ret_entry = id_cache;
- }
-
- SILC_LOG_DEBUG(("Found"));
-
- return client;
+ return TRUE;
}
-/* Finds client by nickname hash. */
+/* Returns all clients matching requested nickname hash. Number of clients
+ is returned to `clients_count'. Caller must free the returned table. */
-SilcClientEntry
-silc_idlist_find_client_by_hash(SilcIDList id_list, char *nickname,
- SilcHash md5hash, SilcIDCacheEntry *ret_entry)
+int silc_idlist_get_clients_by_hash(SilcIDList id_list, char *nickname,
+ SilcHash md5hash,
+ SilcClientEntry **clients,
+ uint32 *clients_count)
{
SilcIDCacheList list = NULL;
SilcIDCacheEntry id_cache = NULL;
- SilcClientEntry client = NULL;
unsigned char hash[32];
+ int i;
+ SilcClientID client_id;
- SILC_LOG_DEBUG(("Client by hash"));
+ SILC_LOG_DEBUG(("Start"));
silc_hash_make(md5hash, nickname, strlen(nickname), hash);
- if (!silc_idcache_find_by_id(id_list->clients, SILC_ID_CACHE_ANY,
- SILC_ID_CLIENT, &list))
- return NULL;
+ /* 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
+ other parts of the ID and get all the clients with that hash, ie.
+ with that nickname, as the hash is from the nickname. */
+ memset(&client_id, 0, sizeof(client_id));
+ memcpy(&client_id.hash, hash, sizeof(client_id.hash));
+ if (!silc_idcache_find_by_id(id_list->clients, &client_id, &list))
+ return FALSE;
- if (!silc_idcache_list_first(list, &id_cache)) {
- silc_idcache_list_free(list);
- return NULL;
- }
-
- while (id_cache) {
- client = (SilcClientEntry)id_cache->context;
-
- if (client && !SILC_ID_COMPARE_HASH(client->id, hash))
- break;
+ *clients = silc_realloc(*clients,
+ (silc_idcache_list_count(list) + *clients_count) *
+ sizeof(**clients));
- id_cache = NULL;
- client = NULL;
+ i = 0;
+ silc_idcache_list_first(list, &id_cache);
+ (*clients)[i++] = (SilcClientEntry)id_cache->context;
- if (!silc_idcache_list_next(list, &id_cache))
- break;
- }
+ while (silc_idcache_list_next(list, &id_cache))
+ (*clients)[i++] = (SilcClientEntry)id_cache->context;
silc_idcache_list_free(list);
+
+ *clients_count += i;
- if (ret_entry)
- *ret_entry = id_cache;
-
- SILC_LOG_DEBUG(("Found"));
+ SILC_LOG_DEBUG(("Found %d clients", *clients_count));
- return client;
+ return TRUE;
}
/* Finds client by Client ID */
SILC_LOG_DEBUG(("Client ID (%s)",
silc_id_render(id, SILC_ID_CLIENT)));
- if (!silc_idcache_find_by_id_one(id_list->clients, (void *)id,
- SILC_ID_CLIENT, &id_cache))
+ /* 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
+ Client ID as we want to find one specific Client ID. */
+ if (!silc_idcache_find_by_id_one_ext(id_list->clients, (void *)id,
+ NULL, NULL,
+ silc_hash_client_id_compare, NULL,
+ &id_cache))
return NULL;
client = (SilcClientEntry)id_cache->context;
SILC_LOG_DEBUG(("Replacing Client ID"));
- if (!silc_idcache_find_by_id_one(id_list->clients, (void *)old_id,
- SILC_ID_CLIENT, &id_cache))
+ /* 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
+ Client ID as we want to find one specific Client ID. */
+ if (!silc_idcache_find_by_id_one_ext(id_list->clients, (void *)old_id,
+ NULL, NULL,
+ silc_hash_client_id_compare, NULL,
+ &id_cache))
return NULL;
client = (SilcClientEntry)id_cache->context;
silc_free(client->id);
client->id = new_id;
- id_cache->id = (void *)new_id;
-
- /* If the old ID Cache data was the hash value of the old Client ID
- replace it with the hash of new Client ID */
- if (id_cache->data && !SILC_ID_COMPARE_HASH(old_id, id_cache->data)) {
- silc_free(id_cache->data);
- id_cache->data = silc_calloc(sizeof(new_id->hash), sizeof(unsigned char));
- memcpy(id_cache->data, new_id->hash, sizeof(new_id->hash));
- silc_idcache_sort_by_data(id_list->clients);
- }
+
+ /* Remove the old entry and add a new one */
+ silc_idcache_del_by_context(id_list->clients, client);
+ silc_idcache_add(id_list->clients, client->nickname, client->id,
+ client, FALSE);
+
+ SILC_LOG_DEBUG(("Replaced"));
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;
+
+ SILC_LOG_DEBUG(("Start"));
+
+ client = (SilcClientEntry)entry->context;
+ if (client) {
+ if (client->nickname)
+ silc_free(client->nickname);
+ if (client->username)
+ silc_free(client->username);
+ if (client->userinfo)
+ silc_free(client->userinfo);
+ if (client->id)
+ silc_free(client->id);
+
+ memset(client, 'F', sizeof(*client));
+ silc_free(client);
+ }
+}
/******************************************************************************
SilcChannelEntry
silc_idlist_add_channel(SilcIDList id_list, char *channel_name, int mode,
SilcChannelID *id, SilcServerEntry router,
- SilcCipher channel_key)
+ SilcCipher channel_key, SilcHmac hmac)
{
SilcChannelEntry channel;
channel->id = id;
channel->router = router;
channel->channel_key = channel_key;
+ channel->hmac = hmac;
+ if (!channel->hmac)
+ if (!silc_hmac_alloc("hmac-sha1-96", NULL, &channel->hmac)) {
+ silc_free(channel);
+ return NULL;
+ }
+
silc_list_init(channel->user_list, struct SilcChannelClientEntryStruct,
channel_list);
if (!silc_idcache_add(id_list->channels, channel->channel_name,
- SILC_ID_CHANNEL, (void *)channel->id,
- (void *)channel, TRUE)) {
+ (void *)channel->id, (void *)channel, FALSE)) {
silc_free(channel);
return NULL;
}
int silc_idlist_del_channel(SilcIDList id_list, SilcChannelEntry entry)
{
+ SILC_LOG_DEBUG(("Start"));
+
if (entry) {
SilcChannelClientEntry chl;
/* Remove from cache */
if (entry->id)
- if (!silc_idcache_del_by_id(id_list->channels, SILC_ID_CHANNEL,
- (void *)entry->id))
+ if (!silc_idcache_del_by_id(id_list->channels, (void *)entry->id))
return FALSE;
/* Free data */
memset(entry->key, 0, entry->key_len / 8);
silc_free(entry->key);
}
- memset(entry->iv, 0, sizeof(entry->iv));
-
+ if (entry->cipher)
+ silc_free(entry->cipher);
+ if (entry->hmac_name)
+ silc_free(entry->hmac_name);
+ if (entry->rekey)
+ silc_free(entry->rekey);
+
+ /* Free all data, free also any reference from the client's channel
+ list since they share the same memory. */
silc_list_start(entry->user_list);
while ((chl = silc_list_get(entry->user_list)) != SILC_LIST_END) {
+ silc_list_del(chl->client->channels, chl);
silc_list_del(entry->user_list, chl);
silc_free(chl);
}
+
+ memset(entry, 'F', sizeof(*entry));
+ silc_free(entry);
+ return TRUE;
}
- return TRUE;
+ return FALSE;
}
/* Finds channel by channel name. Channel names are unique and they
silc_idlist_find_channel_by_name(SilcIDList id_list, char *name,
SilcIDCacheEntry *ret_entry)
{
- SilcIDCacheList list = NULL;
SilcIDCacheEntry id_cache = NULL;
- SilcChannelEntry channel;
SILC_LOG_DEBUG(("Channel by name"));
- if (!silc_idcache_find_by_data_loose(id_list->channels, name, &list))
- return NULL;
-
- if (!silc_idcache_list_first(list, &id_cache)) {
- silc_idcache_list_free(list);
+ if (!silc_idcache_find_by_name_one(id_list->channels, name, &id_cache))
return NULL;
- }
-
- channel = (SilcChannelEntry)id_cache->context;
if (ret_entry)
*ret_entry = id_cache;
- silc_idcache_list_free(list);
-
SILC_LOG_DEBUG(("Found"));
- return channel;
+ return id_cache->context;
}
/* Finds channel by Channel ID. */
SILC_LOG_DEBUG(("Channel ID (%s)",
silc_id_render(id, SILC_ID_CHANNEL)));
- if (!silc_idcache_find_by_id_one(id_list->channels, (void *)id,
- SILC_ID_CHANNEL, &id_cache))
+ if (!silc_idcache_find_by_id_one(id_list->channels, (void *)id, &id_cache))
return NULL;
channel = (SilcChannelEntry)id_cache->context;
return channel;
}
+
+/* Replaces old Channel ID with new one. This is done when router forces
+ normal server to change Channel ID. */
+
+SilcChannelEntry
+silc_idlist_replace_channel_id(SilcIDList id_list, SilcChannelID *old_id,
+ SilcChannelID *new_id)
+{
+ SilcIDCacheEntry id_cache = NULL;
+ SilcChannelEntry channel;
+
+ if (!old_id || !new_id)
+ return NULL;
+
+ SILC_LOG_DEBUG(("Replacing Channel ID"));
+
+ if (!silc_idcache_find_by_id_one(id_list->channels, (void *)old_id,
+ &id_cache))
+ return NULL;
+
+ channel = (SilcChannelEntry)id_cache->context;
+ silc_free(channel->id);
+ channel->id = new_id;
+
+ /* Remove the old entry and add a new one */
+ silc_idcache_del_by_context(id_list->channels, channel);
+ silc_idcache_add(id_list->channels, channel->channel_name, channel->id,
+ channel, FALSE);
+
+ SILC_LOG_DEBUG(("Replaced"));
+
+ return channel;
+}
+
+/* Returns channels from the ID list. If the `channel_id' is NULL then
+ all channels are returned. */
+
+SilcChannelEntry *
+silc_idlist_get_channels(SilcIDList id_list, SilcChannelID *channel_id,
+ uint32 *channels_count)
+{
+ SilcIDCacheList list = NULL;
+ SilcIDCacheEntry id_cache = NULL;
+ SilcChannelEntry *channels = NULL;
+ int i = 0;
+
+ SILC_LOG_DEBUG(("Start"));
+
+ if (!channel_id) {
+ if (!silc_idcache_get_all(id_list->channels, &list))
+ return NULL;
+
+ channels = silc_calloc(silc_idcache_list_count(list), sizeof(*channels));
+
+ i = 0;
+ silc_idcache_list_first(list, &id_cache);
+ channels[i++] = (SilcChannelEntry)id_cache->context;
+
+ while (silc_idcache_list_next(list, &id_cache))
+ channels[i++] = (SilcChannelEntry)id_cache->context;
+
+ silc_idcache_list_free(list);
+ } else {
+ if (!silc_idcache_find_by_id_one(id_list->channels, channel_id, &id_cache))
+ return NULL;
+
+ i = 1;
+ channels = silc_calloc(1, sizeof(*channels));
+ channels[0] = (SilcChannelEntry)id_cache->context;
+ }
+
+ if (channels_count)
+ *channels_count = i;
+
+ return channels;
+}
projects / silc.git / blobdiff