Author: Pekka Riikonen <priikone@silcnet.org>
- Copyright (C) 1997 - 2002 Pekka Riikonen
+ Copyright (C) 1997 - 2003 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
+ the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
SILC_TASK_CALLBACK(silc_server_rehash_close_connection);
SILC_TASK_CALLBACK(silc_server_connect_to_router_retry);
SILC_TASK_CALLBACK(silc_server_connect_router);
-SILC_TASK_CALLBACK(silc_server_connect_to_router);
SILC_TASK_CALLBACK(silc_server_connect_to_router_second);
SILC_TASK_CALLBACK(silc_server_connect_to_router_final);
SILC_TASK_CALLBACK(silc_server_accept_new_connection);
SILC_TASK_CALLBACK(silc_server_free_client_data_timeout);
SILC_TASK_CALLBACK(silc_server_timeout_remote);
SILC_TASK_CALLBACK(silc_server_channel_key_rekey);
-SILC_TASK_CALLBACK(silc_server_failure_callback);
-SILC_TASK_CALLBACK(silc_server_rekey_callback);
SILC_TASK_CALLBACK(silc_server_get_stats);
/* Allocates a new SILC server object. This has to be done before the server
void silc_server_free(SilcServer server)
{
+ SilcIDCacheList list;
+ SilcIDCacheEntry cache;
+
if (!server)
return;
#ifdef SILC_SIM
{
SilcSim sim;
-
+ silc_dlist_start(server->sim);
while ((sim = silc_dlist_get(server->sim)) != SILC_LIST_END) {
silc_dlist_del(server->sim, sim);
+ silc_sim_close(sim);
silc_sim_free(sim);
}
silc_dlist_uninit(server->sim);
}
#endif
+ silc_server_backup_free(server);
silc_server_config_unref(&server->config_ref);
if (server->rng)
silc_rng_free(server->rng);
if (server->id_entry)
silc_idlist_del_server(server->local_list, server->id_entry);
+ /* Delete all channels */
+ list = NULL;
+ if (silc_idcache_get_all(server->local_list->channels, &list) &&
+ silc_idcache_list_first(list, &cache)) {
+ silc_idlist_del_channel(server->local_list, cache->context);
+ while (silc_idcache_list_next(list, &cache))
+ silc_idlist_del_channel(server->local_list, cache->context);
+ }
+ if (list)
+ silc_idcache_list_free(list);
+ list = NULL;
+ if (silc_idcache_get_all(server->global_list->channels, &list) &&
+ silc_idcache_list_first(list, &cache)) {
+ silc_idlist_del_channel(server->global_list, cache->context);
+ while (silc_idcache_list_next(list, &cache))
+ silc_idlist_del_channel(server->global_list, cache->context);
+ }
+ if (list)
+ silc_idcache_list_free(list);
+
+ /* Delete all clients */
+ list = NULL;
+ if (silc_idcache_get_all(server->local_list->clients, &list) &&
+ silc_idcache_list_first(list, &cache)) {
+ silc_idlist_del_client(server->local_list, cache->context);
+ while (silc_idcache_list_next(list, &cache))
+ silc_idlist_del_client(server->local_list, cache->context);
+ }
+ if (list)
+ silc_idcache_list_free(list);
+ list = NULL;
+ if (silc_idcache_get_all(server->global_list->clients, &list) &&
+ silc_idcache_list_first(list, &cache)) {
+ silc_idlist_del_client(server->global_list, cache->context);
+ while (silc_idcache_list_next(list, &cache))
+ silc_idlist_del_client(server->global_list, cache->context);
+ }
+ if (list)
+ silc_idcache_list_free(list);
+
+ /* Delete all servers */
+ list = NULL;
+ if (silc_idcache_get_all(server->local_list->servers, &list) &&
+ silc_idcache_list_first(list, &cache)) {
+ silc_idlist_del_server(server->local_list, cache->context);
+ while (silc_idcache_list_next(list, &cache))
+ silc_idlist_del_server(server->local_list, cache->context);
+ }
+ if (list)
+ silc_idcache_list_free(list);
+ list = NULL;
+ if (silc_idcache_get_all(server->global_list->servers, &list) &&
+ silc_idcache_list_first(list, &cache)) {
+ silc_idlist_del_server(server->global_list, cache->context);
+ while (silc_idcache_list_next(list, &cache))
+ silc_idlist_del_server(server->global_list, cache->context);
+ }
+ if (list)
+ silc_idcache_list_free(list);
+
silc_idcache_free(server->local_list->clients);
silc_idcache_free(server->local_list->servers);
silc_idcache_free(server->local_list->channels);
{
*sock = silc_net_create_server(port, server_ip);
if (*sock < 0) {
- SILC_LOG_ERROR(("Could not create server listener: %s on %hu",
+ SILC_SERVER_LOG_ERROR(("Could not create server listener: %s on %hu",
server_ip, port));
return FALSE;
}
SilcSocketConnection newsocket = NULL;
SilcServerConfigServerInfoInterface *interface;
- for (interface = server->config->server_info->secondary; interface;
+ for (interface = server->config->server_info->secondary; interface;
interface = interface->next, sock++) {
if (!silc_server_listen(server,
newsocket->user_data = (void *)server->id_entry;
silc_schedule_task_add(server->schedule, sock_list[sock],
- silc_server_accept_new_connection,
- (void *)server, 0, 0,
- SILC_TASK_FD,
- SILC_TASK_PRI_NORMAL);
+ silc_server_accept_new_connection,
+ (void *)server, 0, 0,
+ SILC_TASK_FD,
+ SILC_TASK_PRI_NORMAL);
}
return TRUE;
server->starttime = time(NULL);
/* Take config object for us */
- silc_server_config_ref(&server->config_ref, server->config,
+ silc_server_config_ref(&server->config_ref, server->config,
server->config);
+#ifdef SILC_DEBUG
+ /* Set debugging on if configured */
+ if (server->config->debug_string) {
+ silc_debug = TRUE;
+ silc_log_set_debug_string(server->config->debug_string);
+ }
+#endif /* SILC_DEBUG */
+
/* Steal public and private key from the config object */
server->public_key = server->config->server_info->public_key;
server->private_key = server->config->server_info->private_key;
silc_pkcs_private_key_set(server->pkcs, server->private_key);
/* Initialize the scheduler */
- server->schedule = silc_schedule_init(server->config->param.connections_max);
+ server->schedule = silc_schedule_init(server->config->param.connections_max,
+ server);
if (!server->schedule)
goto err;
server->global_list->channels = silc_idcache_alloc(0, SILC_ID_CHANNEL, NULL);
/* Init watcher list */
- server->watcher_list =
+ server->watcher_list =
silc_hash_table_alloc(1, silc_hash_client_id_hash, NULL,
silc_hash_data_compare, (void *)CLIENTID_HASH_LEN,
NULL, NULL, TRUE);
/* Register protocols */
silc_server_protocols_register();
- /* Add the first task to the scheduler. This is task that is executed by
- timeout. It expires as soon as the caller calls silc_server_run. This
- task performs authentication protocol and key exchange with our
- primary router. */
- silc_schedule_task_add(server->schedule, 0,
- silc_server_connect_to_router,
- (void *)server, 0, 1,
- SILC_TASK_TIMEOUT,
- SILC_TASK_PRI_NORMAL);
+ /* Create connections to configured routers. */
+ silc_server_create_connections(server);
/* Add listener task to the scheduler. This task receives new connections
to the server. This task remains on the queue until the end of the
if (silc_server_init_secondary(server) == FALSE)
goto err;
-
+
server->listenning = TRUE;
/* If server connections has been configured then we must be router as
/* Clients local list */
server->purge_i = purge = silc_calloc(1, sizeof(*purge));
purge->cache = server->local_list->clients;
- purge->schedule = server->schedule;
purge->timeout = 600;
- silc_schedule_task_add(purge->schedule, 0,
- silc_idlist_purge,
+ silc_schedule_task_add(server->schedule, 0, silc_idlist_purge,
(void *)purge, purge->timeout, 0,
SILC_TASK_TIMEOUT, SILC_TASK_PRI_LOW);
/* Clients global list */
server->purge_g = purge = silc_calloc(1, sizeof(*purge));
purge->cache = server->global_list->clients;
- purge->schedule = server->schedule;
purge->timeout = 300;
- silc_schedule_task_add(purge->schedule, 0,
- silc_idlist_purge,
+ silc_schedule_task_add(server->schedule, 0, silc_idlist_purge,
(void *)purge, purge->timeout, 0,
SILC_TASK_TIMEOUT, SILC_TASK_PRI_LOW);
/* If we are normal server we'll retrieve network statisticial information
once in a while from the router. */
- if (server->server_type == SILC_SERVER)
- silc_schedule_task_add(purge->schedule, 0, silc_server_get_stats,
+ if (server->server_type != SILC_ROUTER)
+ silc_schedule_task_add(server->schedule, 0, silc_server_get_stats,
server, 10, 0, SILC_TASK_TIMEOUT,
SILC_TASK_PRI_LOW);
if (!sock)
return;
- SILC_LOG_INFO(("Closing connection %s:%d [%s]: connection is unconfigured",
+ SILC_LOG_INFO(("Connection %s:%d [%s] is unconfigured",
sock->hostname, sock->port,
(sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
/* Reinit scheduler if necessary */
if (newconfig->param.connections_max > server->config->param.connections_max)
- if (!silc_schedule_reinit(server->schedule,
+ if (!silc_schedule_reinit(server->schedule,
newconfig->param.connections_max))
return FALSE;
/* Update the idcache list with a fresh pointer */
silc_free(server->id_entry->server_name);
server->id_entry->server_name = strdup(server->server_name);
- if (!silc_idcache_del_by_context(server->local_list->servers,
+ if (!silc_idcache_del_by_context(server->local_list->servers,
server->id_entry))
return FALSE;
if (!silc_idcache_add(server->local_list->servers,
/* Check whether new config has this one too */
for (newptr = newconfig->routers; newptr; newptr = newptr->next) {
- if (!strcmp(newptr->host, ptr->host) && newptr->port == ptr->port &&
+ if (silc_string_compare(newptr->host, ptr->host) &&
+ newptr->port == ptr->port &&
newptr->initiator == ptr->initiator) {
found = TRUE;
break;
}
}
- if (!found) {
+ if (!found && ptr->host) {
/* Remove this connection */
SilcSocketConnection sock;
sock = silc_server_find_socket_by_host(server, SILC_SOCKET_TYPE_ROUTER,
/* Check whether new config has this one too */
for (newptr = newconfig->servers; newptr; newptr = newptr->next) {
- if (!strcmp(newptr->host, ptr->host)) {
+ if (silc_string_compare(newptr->host, ptr->host)) {
found = TRUE;
break;
}
}
- if (!found) {
+ if (!found && ptr->host) {
/* Remove this connection */
SilcSocketConnection sock;
sock = silc_server_find_socket_by_host(server, SILC_SOCKET_TYPE_SERVER,
}
}
- /* Go through all configured routers after rehash */
- silc_schedule_task_add(server->schedule, 0,
- silc_server_connect_to_router,
- (void *)server, 0, 1,
- SILC_TASK_TIMEOUT,
- SILC_TASK_PRI_NORMAL);
+ if (server->config->clients) {
+ SilcServerConfigClient *ptr;
+ SilcServerConfigClient *newptr;
+ bool found;
+
+ for (ptr = server->config->clients; ptr; ptr = ptr->next) {
+ found = FALSE;
+
+ /* Check whether new config has this one too */
+ for (newptr = newconfig->clients; newptr; newptr = newptr->next) {
+ if (silc_string_compare(newptr->host, ptr->host)) {
+ found = TRUE;
+ break;
+ }
+ }
+
+ if (!found && ptr->host) {
+ /* Remove this connection */
+ SilcSocketConnection sock;
+ sock = silc_server_find_socket_by_host(server, SILC_SOCKET_TYPE_CLIENT,
+ ptr->host, 0);
+ if (sock)
+ silc_schedule_task_add(server->schedule, sock->sock,
+ silc_server_rehash_close_connection,
+ server, 0, 1, SILC_TASK_TIMEOUT,
+ SILC_TASK_PRI_NORMAL);
+ }
+ }
+ }
+
+ /* Create connections after rehash */
+ silc_server_create_connections(server);
/* Check whether our router status has changed */
if (newconfig->servers) {
server->config = newconfig;
silc_server_config_ref(&server->config_ref, server->config, server->config);
+#ifdef SILC_DEBUG
+ /* Set debugging on if configured */
+ if (server->config->debug_string) {
+ silc_debug = TRUE;
+ silc_log_set_debug_string(server->config->debug_string);
+ } else {
+ silc_debug = FALSE;
+ }
+#endif /* SILC_DEBUG */
+
SILC_LOG_DEBUG(("Server rehashed"));
return TRUE;
void silc_server_stop(SilcServer server)
{
- SILC_LOG_DEBUG(("Stopping server"));
+ SILC_LOG_INFO(("SILC Server shutting down"));
if (server->schedule) {
int i;
+ server->server_shutdown = TRUE;
+
/* Close all connections */
for (i = 0; i < server->config->param.connections_max; i++) {
if (!server->sockets[i])
continue;
if (!SILC_IS_LISTENER(server->sockets[i])) {
- SilcIDListData idata = server->sockets[i]->user_data;
+ SilcSocketConnection sock = server->sockets[i];
+ SilcIDListData idata = sock->user_data;
if (idata)
idata->status &= ~SILC_IDLIST_STATUS_DISABLED;
silc_schedule_task_del_by_context(server->schedule,
server->sockets[i]);
- silc_server_disconnect_remote(server, server->sockets[i],
- SILC_STATUS_OK,
+ silc_schedule_task_del_by_fd(server->schedule,
+ server->sockets[i]->sock);
+ silc_server_disconnect_remote(server, server->sockets[i],
+ SILC_STATUS_OK,
"Server is shutting down");
+ if (server->sockets[i]) {
+ if (sock->user_data)
+ silc_server_free_sock_user_data(server, sock,
+ "Server is shutting down");
+ silc_socket_free(sock);
+ }
} else {
silc_socket_free(server->sockets[i]);
server->sockets[i] = NULL;
SILC_TASK_CALLBACK(silc_server_connect_to_router_retry)
{
+ SilcServer server = app_context;
SilcServerConnection sconn = (SilcServerConnection)context;
- SilcServer server = sconn->server;
SilcServerConfigRouter *conn = sconn->conn.ref_ptr;
SilcServerConfigConnParams *param =
(conn->param ? conn->param : &server->config->param);
+ /* Don't retry if we are shutting down. */
+ if (server->server_shutdown) {
+ silc_server_config_unref(&sconn->conn);
+ silc_free(sconn->remote_host);
+ silc_free(sconn->backup_replace_ip);
+ silc_free(sconn);
+ return;
+ }
+
SILC_LOG_INFO(("Retrying connecting to a router"));
/* Calculate next timeout */
SILC_TASK_CALLBACK(silc_server_connect_router)
{
+ SilcServer server = app_context;
SilcServerConnection sconn = (SilcServerConnection)context;
- SilcServer server = sconn->server;
SilcServerConfigRouter *rconn;
int sock;
+ /* Don't connect if we are shutting down. */
+ if (server->server_shutdown) {
+ silc_free(sconn->remote_host);
+ silc_free(sconn->backup_replace_ip);
+ silc_free(sconn);
+ return;
+ }
+
SILC_LOG_INFO(("Connecting to the %s %s on port %d",
(sconn->backup ? "backup router" : "router"),
sconn->remote_host, sconn->remote_port));
silc_server_connect_to_router_retry,
context, 0, 1, SILC_TASK_TIMEOUT,
SILC_TASK_PRI_NORMAL);
- else
+ else {
silc_server_config_unref(&sconn->conn);
+ silc_free(sconn->remote_host);
+ silc_free(sconn->backup_replace_ip);
+ silc_free(sconn);
+ }
return;
}
server to do authentication and key exchange with our router - called
from schedule. */
-SILC_TASK_CALLBACK(silc_server_connect_to_router)
+SILC_TASK_CALLBACK_GLOBAL(silc_server_connect_to_router)
{
SilcServer server = (SilcServer)context;
SilcServerConnection sconn;
SilcServerConfigRouter *ptr;
+ /* Don't connect if we are shutting down. */
+ if (server->server_shutdown)
+ return;
+
SILC_LOG_DEBUG(("We are %s",
(server->server_type == SILC_SERVER ?
"normal server" : server->server_type == SILC_ROUTER ?
ptr->host, ptr->port));
if (server->server_type == SILC_ROUTER && ptr->backup_router &&
- ptr->initiator == FALSE && !server->backup_router)
+ ptr->initiator == FALSE && !server->backup_router &&
+ !silc_server_config_get_backup_router(server))
server->wait_backup = TRUE;
if (ptr->initiator) {
- /* Check whether we are connected to this host already */
- if (silc_server_num_sockets_by_remote(server,
+ /* Check whether we are connecting or connected to this host already */
+ if (silc_server_num_sockets_by_remote(server,
silc_net_is_ip(ptr->host) ?
ptr->host : NULL,
silc_net_is_ip(ptr->host) ?
NULL : ptr->host, ptr->port,
SILC_SOCKET_TYPE_ROUTER)) {
SILC_LOG_DEBUG(("We are already connected to this router"));
+
+ /* If we don't have primary router and this connection is our
+ primary router we are in desync. Reconnect to the primary. */
+ if (server->standalone && !server->router) {
+ SilcServerConfigRouter *primary =
+ silc_server_config_get_primary_router(server);
+ if (primary == ptr) {
+ SilcSocketConnection sock =
+ silc_server_find_socket_by_host(server, SILC_SOCKET_TYPE_ROUTER,
+ ptr->host, ptr->port);
+ if (sock) {
+ server->backup_noswitch = TRUE;
+ if (sock->user_data)
+ silc_server_free_sock_user_data(server, sock, NULL);
+ silc_server_disconnect_remote(server, sock, 0, NULL);
+ server->backup_noswitch = FALSE;
+ SILC_LOG_DEBUG(("Reconnecting to primary router"));
+ } else {
+ continue;
+ }
+ } else {
+ continue;
+ }
+ } else {
+ continue;
+ }
+ }
+ if (silc_server_num_sockets_by_remote(server,
+ silc_net_is_ip(ptr->host) ?
+ ptr->host : NULL,
+ silc_net_is_ip(ptr->host) ?
+ NULL : ptr->host, ptr->port,
+ SILC_SOCKET_TYPE_UNKNOWN)) {
+ SILC_LOG_DEBUG(("We are already connecting to this router"));
continue;
}
/* Allocate connection object for hold connection specific stuff. */
sconn = silc_calloc(1, sizeof(*sconn));
- sconn->server = server;
sconn->remote_host = strdup(ptr->host);
sconn->remote_port = ptr->port;
sconn->backup = ptr->backup_router;
silc_ske_free(ctx->ske);
silc_free(ctx->dest_id);
silc_free(ctx);
- silc_schedule_task_del_by_callback(server->schedule,
- silc_server_failure_callback);
- silc_server_disconnect_remote(server, sock,
+ silc_server_disconnect_remote(server, sock,
SILC_STATUS_ERR_KEY_EXCHANGE_FAILED, NULL);
/* Try reconnecting if configuration wants it */
silc_ske_free(ctx->ske);
silc_free(ctx->dest_id);
silc_free(ctx);
- silc_schedule_task_del_by_callback(server->schedule,
- silc_server_failure_callback);
- silc_server_disconnect_remote(server, sock,
+ silc_server_disconnect_remote(server, sock,
SILC_STATUS_ERR_KEY_EXCHANGE_FAILED, NULL);
/* Try reconnecting if configuration wants it */
silc_free(sconn->remote_host);
silc_free(sconn->backup_replace_ip);
silc_free(sconn);
- silc_schedule_task_del_by_callback(server->schedule,
- silc_server_failure_callback);
- silc_server_disconnect_remote(server, sock,
+ silc_server_disconnect_remote(server, sock,
SILC_STATUS_ERR_KEY_EXCHANGE_FAILED, NULL);
return;
}
SilcSocketConnection sock = ctx->sock;
SilcServerEntry id_entry = NULL;
SilcBuffer packet;
- SilcServerHBContext hb_context;
unsigned char *id_string;
SilcUInt32 id_len;
SilcIDListData idata;
protocol->state == SILC_PROTOCOL_STATE_FAILURE) {
/* Error occured during protocol */
silc_free(ctx->dest_id);
+ sock->protocol = NULL;
silc_server_disconnect_remote(server, sock, SILC_STATUS_ERR_AUTH_FAILED,
NULL);
+ sock->protocol = protocol;
/* Try reconnecting if configuration wants it */
if (!sconn->no_reconnect) {
SILC_LOG_DEBUG(("New server id(%s)",
silc_id_render(ctx->dest_id, SILC_ID_SERVER)));
- /* Add the connected router to global server list */
+ /* Add the connected router to global server list. Router is sent
+ as NULL since it's local to us. */
id_entry = silc_idlist_add_server(server->global_list,
strdup(sock->hostname),
SILC_ROUTER, ctx->dest_id, NULL, sock);
if (!id_entry) {
silc_free(ctx->dest_id);
SILC_LOG_ERROR(("Cannot add new server entry to cache"));
+ sock->protocol = NULL;
silc_server_disconnect_remote(server, sock, SILC_STATUS_ERR_AUTH_FAILED,
NULL);
+ sock->protocol = protocol;
goto out;
}
if (conn && conn->param)
param = conn->param;
- /* Perform keepalive. The `hb_context' will be freed automatically
- when finally calling the silc_socket_free function. */
- hb_context = silc_calloc(1, sizeof(*hb_context));
- hb_context->server = server;
- silc_socket_set_heartbeat(sock, param->keepalive_secs, hb_context,
+ /* Perform keepalive. */
+ silc_socket_set_heartbeat(sock, param->keepalive_secs, server,
silc_server_perform_heartbeat,
server->schedule);
/* Register re-key timeout */
idata->rekey->timeout = param->key_exchange_rekey;
- idata->rekey->context = (void *)server;
silc_schedule_task_add(server->schedule, sock->sock,
silc_server_rekey_callback,
(void *)sock, idata->rekey->timeout, 0,
if (!sconn->backup) {
/* Mark this router our primary router if we're still standalone */
if (server->standalone) {
+ SILC_LOG_DEBUG(("This connection is our primary router"));
server->id_entry->router = id_entry;
server->router = id_entry;
+ server->router->server_type = SILC_ROUTER;
server->standalone = FALSE;
+ server->backup_primary = FALSE;
- /* If we are router then announce our possible servers. */
- if (server->server_type == SILC_ROUTER)
- silc_server_announce_servers(server, FALSE, 0,
- SILC_PRIMARY_ROUTE(server));
+ /* Announce data if we are not backup router (unless not as primary
+ currently). Backup router announces later at the end of
+ resuming protocol. */
+ if (server->backup_router && server->server_type == SILC_ROUTER) {
+ SILC_LOG_DEBUG(("Announce data after resume protocol"));
+ } else {
+ /* If we are router then announce our possible servers. Backup
+ router announces also global servers. */
+ if (server->server_type == SILC_ROUTER)
+ silc_server_announce_servers(server,
+ server->backup_router ? TRUE : FALSE,
+ 0, SILC_PRIMARY_ROUTE(server));
- /* Announce our clients and channels to the router */
- silc_server_announce_clients(server, 0, SILC_PRIMARY_ROUTE(server));
- silc_server_announce_channels(server, 0, SILC_PRIMARY_ROUTE(server));
+ /* Announce our clients and channels to the router */
+ silc_server_announce_clients(server, 0, SILC_PRIMARY_ROUTE(server));
+ silc_server_announce_channels(server, 0, SILC_PRIMARY_ROUTE(server));
+ }
/* If we are backup router then this primary router is whom we are
backing up. */
if (server->server_type == SILC_BACKUP_ROUTER)
- silc_server_backup_add(server, server->id_entry, sock->ip, 0, TRUE);
+ silc_server_backup_add(server, server->id_entry, sock->ip,
+ sconn->remote_port, TRUE);
}
} else {
/* Add this server to be our backup router */
+ id_entry->server_type = SILC_BACKUP_ROUTER;
silc_server_backup_add(server, id_entry, sconn->backup_replace_ip,
sconn->backup_replace_port, FALSE);
}
out:
/* Call the completion callback to indicate that we've connected to
the router */
- if (sconn->callback)
+ if (sconn && sconn->callback)
(*sconn->callback)(server, id_entry, sconn->callback_context);
/* Free the temporary connection data context */
SilcServerConfigDeny *deny;
int port;
- context = (void *)server;
-
/* Check whether we could resolve both IP and FQDN. */
if (!sock->ip || (!strcmp(sock->ip, sock->hostname) &&
server->config->require_reverse_lookup)) {
However, this doesn't set the scheduler for outgoing traffic, it
will be set separately by calling SILC_SET_CONNECTION_FOR_OUTPUT,
later when outgoing data is available. */
+ context = (void *)server;
SILC_REGISTER_CONNECTION_FOR_IO(sock->sock);
SILC_LOG_INFO(("Incoming connection %s (%s)", sock->hostname,
if ((protocol->state == SILC_PROTOCOL_STATE_ERROR) ||
(protocol->state == SILC_PROTOCOL_STATE_FAILURE)) {
/* Error occured during protocol */
- SILC_LOG_DEBUG(("Error key exchange protocol"));
+ SILC_LOG_DEBUG(("Error in key exchange protocol"));
silc_protocol_free(protocol);
sock->protocol = NULL;
silc_ske_free_key_material(ctx->keymat);
silc_server_config_unref(&ctx->sconfig);
silc_server_config_unref(&ctx->rconfig);
silc_free(ctx);
- silc_schedule_task_del_by_callback(server->schedule,
- silc_server_failure_callback);
- silc_server_disconnect_remote(server, sock,
- SILC_STATUS_ERR_KEY_EXCHANGE_FAILED,
- NULL);
+
+ if (!SILC_IS_DISCONNECTING(sock)) {
+ SILC_LOG_INFO(("Key exchange failed for %s:%d [%s]", sock->hostname,
+ sock->port,
+ (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+ sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+ sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+ "Router")));
+ silc_server_disconnect_remote(server, sock,
+ SILC_STATUS_ERR_KEY_EXCHANGE_FAILED,
+ NULL);
+ }
+
server->stat.auth_failures++;
return;
}
silc_server_config_unref(&ctx->sconfig);
silc_server_config_unref(&ctx->rconfig);
silc_free(ctx);
- silc_schedule_task_del_by_callback(server->schedule,
- silc_server_failure_callback);
- silc_server_disconnect_remote(server, sock,
+ silc_server_disconnect_remote(server, sock,
SILC_STATUS_ERR_KEY_EXCHANGE_FAILED, NULL);
server->stat.auth_failures++;
return;
SILC_TASK_PRI_LOW);
}
-/* After this is called, server don't wait for backup router anymore */
+/* After this is called, server don't wait for backup router anymore.
+ This gets called automatically even after we have backup router
+ connection established. */
SILC_TASK_CALLBACK(silc_server_backup_router_wait)
{
(SilcServerConnAuthInternalContext *)protocol->context;
SilcServer server = (SilcServer)ctx->server;
SilcSocketConnection sock = ctx->sock;
- SilcServerHBContext hb_context;
SilcUnknownEntry entry = (SilcUnknownEntry)sock->user_data;
void *id_entry;
- SilcUInt32 hearbeat_timeout = server->config->param.keepalive_secs;
+ SilcServerConfigConnParams *param = &server->config->param;
if (protocol->state == SILC_PROTOCOL_STATE_ERROR ||
protocol->state == SILC_PROTOCOL_STATE_FAILURE) {
silc_server_config_unref(&ctx->sconfig);
silc_server_config_unref(&ctx->rconfig);
silc_free(ctx);
- silc_schedule_task_del_by_callback(server->schedule,
- silc_server_failure_callback);
- silc_server_disconnect_remote(server, sock, SILC_STATUS_ERR_AUTH_FAILED,
- NULL);
+
+ if (!SILC_IS_DISCONNECTING(sock)) {
+ SILC_LOG_INFO(("Authentication failed for %s:%d [%s]", sock->hostname,
+ sock->port,
+ (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+ sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+ sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+ "Router")));
+ silc_server_disconnect_remote(server, sock, SILC_STATUS_ERR_AUTH_FAILED,
+ NULL);
+ }
server->stat.auth_failures++;
return;
}
router->backup_replace_ip, 0)) {
SILC_LOG_INFO(("Will not accept connections because we do "
"not have backup router connection established"));
- silc_server_disconnect_remote(server, sock,
+ sock->protocol = NULL;
+ silc_server_disconnect_remote(server, sock,
SILC_STATUS_ERR_PERM_DENIED,
"We do not have connection to backup "
"router established, try later");
if (!client) {
SILC_LOG_ERROR(("Could not add new client to cache"));
silc_free(sock->user_data);
- silc_server_disconnect_remote(server, sock,
+ sock->protocol = NULL;
+ silc_server_disconnect_remote(server, sock,
SILC_STATUS_ERR_AUTH_FAILED, NULL);
server->stat.auth_failures++;
goto out;
/* Get connection parameters */
if (conn->param) {
- if (conn->param->keepalive_secs)
- hearbeat_timeout = conn->param->keepalive_secs;
+ param = conn->param;
+
+ if (!param->keepalive_secs)
+ param->keepalive_secs = server->config->param.keepalive_secs;
+
+ if (!param->qos && server->config->param.qos) {
+ param->qos = server->config->param.qos;
+ param->qos_rate_limit = server->config->param.qos_rate_limit;
+ param->qos_bytes_limit = server->config->param.qos_bytes_limit;
+ param->qos_limit_sec = server->config->param.qos_limit_sec;
+ param->qos_limit_usec = server->config->param.qos_limit_usec;
+ }
+
+ /* Check if to be anonymous connection */
+ if (param->anonymous)
+ client->mode |= SILC_UMODE_ANONYMOUS;
}
id_entry = (void *)client;
!SILC_PRIMARY_ROUTE(server)) {
SILC_LOG_INFO(("Will not accept server connection because we do "
"not have primary router connection established"));
- silc_server_disconnect_remote(server, sock,
+ sock->protocol = NULL;
+ silc_server_disconnect_remote(server, sock,
SILC_STATUS_ERR_PERM_DENIED,
"We do not have connection to primary "
"router established, try later");
if (rconn) {
if (rconn->param) {
- if (rconn->param->keepalive_secs)
- hearbeat_timeout = rconn->param->keepalive_secs;
+ param = rconn->param;
+
+ if (!param->keepalive_secs)
+ param->keepalive_secs = server->config->param.keepalive_secs;
+
+ if (!param->qos && server->config->param.qos) {
+ param->qos = server->config->param.qos;
+ param->qos_rate_limit = server->config->param.qos_rate_limit;
+ param->qos_bytes_limit = server->config->param.qos_bytes_limit;
+ param->qos_limit_sec = server->config->param.qos_limit_sec;
+ param->qos_limit_usec = server->config->param.qos_limit_usec;
+ }
}
initiator = rconn->initiator;
}
if (sconn) {
if (sconn->param) {
- if (sconn->param->keepalive_secs)
- hearbeat_timeout = sconn->param->keepalive_secs;
+ param = sconn->param;
+
+ if (!param->keepalive_secs)
+ param->keepalive_secs = server->config->param.keepalive_secs;
+
+ if (!param->qos && server->config->param.qos) {
+ param->qos = server->config->param.qos;
+ param->qos_rate_limit = server->config->param.qos_rate_limit;
+ param->qos_bytes_limit = server->config->param.qos_bytes_limit;
+ param->qos_limit_sec = server->config->param.qos_limit_sec;
+ param->qos_limit_usec = server->config->param.qos_limit_usec;
+ }
}
backup_router = sconn->backup_router;
router->backup_replace_ip, 0)) {
SILC_LOG_INFO(("Will not accept connections because we do "
"not have backup router connection established"));
- silc_server_disconnect_remote(server, sock,
+ sock->protocol = NULL;
+ silc_server_disconnect_remote(server, sock,
SILC_STATUS_ERR_PERM_DENIED,
"We do not have connection to backup "
"router established, try later");
if (!new_server) {
SILC_LOG_ERROR(("Could not add new server to cache"));
silc_free(sock->user_data);
- silc_server_disconnect_remote(server, sock,
+ sock->protocol = NULL;
+ silc_server_disconnect_remote(server, sock,
SILC_STATUS_ERR_AUTH_FAILED, NULL);
server->stat.auth_failures++;
goto out;
/* If the incoming connection is router and marked as backup router
then add it to be one of our backups */
if (ctx->conn_type == SILC_SOCKET_TYPE_ROUTER && backup_router) {
- silc_server_backup_add(server, new_server, backup_replace_ip,
- backup_replace_port, backup_local);
-
/* Change it back to SERVER type since that's what it really is. */
if (backup_local)
ctx->conn_type = SILC_SOCKET_TYPE_SERVER;
-
new_server->server_type = SILC_BACKUP_ROUTER;
- server->wait_backup = FALSE;
+
+ SILC_SERVER_SEND_OPERS(server, FALSE, TRUE, SILC_NOTIFY_TYPE_NONE,
+ ("Backup router %s is now online",
+ sock->hostname));
+
+ /* Remove the backup waiting with timeout */
+ silc_schedule_task_add(server->schedule, 0,
+ silc_server_backup_router_wait,
+ (void *)server, 5, 0,
+ SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
}
/* Statistics */
/* Connection has been fully established now. Everything is ok. */
SILC_LOG_DEBUG(("New connection authenticated"));
- /* Perform keepalive. The `hb_context' will be freed automatically
- when finally calling the silc_socket_free function. */
- hb_context = silc_calloc(1, sizeof(*hb_context));
- hb_context->server = server;
- silc_socket_set_heartbeat(sock, hearbeat_timeout, hb_context,
- silc_server_perform_heartbeat,
- server->schedule);
+ /* Perform keepalive. */
+ if (param->keepalive_secs)
+ silc_socket_set_heartbeat(sock, param->keepalive_secs, server,
+ silc_server_perform_heartbeat,
+ server->schedule);
+
+ /* Perform Quality of Service */
+ if (param->qos)
+ silc_socket_set_qos(sock, param->qos_rate_limit, param->qos_bytes_limit,
+ param->qos_limit_sec, param->qos_limit_usec,
+ server->schedule);
out:
- silc_schedule_task_del_by_callback(server->schedule,
- silc_server_failure_callback);
- silc_protocol_free(protocol);
+ if (sock->protocol == protocol)
+ silc_protocol_free(protocol);
if (ctx->packet)
silc_packet_context_free(ctx->packet);
if (ctx->ske)
SilcCipher cipher = NULL;
SilcHmac hmac = NULL;
SilcUInt32 sequence = 0;
+ bool local_is_router;
int ret;
if (!sock) {
if (type == SILC_TASK_WRITE) {
/* Do not send data to disconnected connection */
- if (SILC_IS_DISCONNECTED(sock)) {
+ if (SILC_IS_DISCONNECTING(sock) || SILC_IS_DISCONNECTED(sock)) {
SILC_LOG_DEBUG(("Disconnected socket connection, cannot send"));
return;
}
if (ret == -2)
return;
+ /* The packet has been sent and now it is time to set the connection
+ back to only for input. When there is again some outgoing data
+ available for this connection it will be set for output as well.
+ This call clears the output setting and sets it only for input. */
+ SILC_SET_CONNECTION_FOR_INPUT(server->schedule, fd);
+ SILC_UNSET_OUTBUF_PENDING(sock);
+ silc_buffer_clear(sock->outbuf);
+
if (ret == -1) {
SILC_LOG_ERROR(("Error sending packet to connection "
"%s:%d [%s]", sock->hostname, sock->port,
sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
"Router")));
- return;
- }
-
- /* The packet has been sent and now it is time to set the connection
- back to only for input. When there is again some outgoing data
- available for this connection it will be set for output as well.
- This call clears the output setting and sets it only for input. */
- SILC_SET_CONNECTION_FOR_INPUT(server->schedule, fd);
- SILC_UNSET_OUTBUF_PENDING(sock);
- silc_buffer_clear(sock->outbuf);
+ if (sock->user_data)
+ silc_server_free_sock_user_data(server, sock, NULL);
+ SILC_SET_DISCONNECTING(sock);
+ silc_server_close_connection(server, sock);
+ }
return;
}
ret = silc_packet_receive(sock);
if (ret < 0) {
- if (ret == -1)
+ if (ret == -1) {
SILC_LOG_ERROR(("Error receiving packet from connection "
"%s:%d [%s] %s", sock->hostname, sock->port,
(sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
"Router"), strerror(errno)));
+
+ if (sock->user_data)
+ silc_server_free_sock_user_data(server, sock, NULL);
+ SILC_SET_DISCONNECTING(sock);
+ silc_server_close_connection(server, sock);
+ }
return;
}
}
SILC_LOG_DEBUG(("Premature EOF from connection %d", sock->sock));
- SILC_SET_DISCONNECTING(sock);
if (sock->user_data) {
char tmp[128];
+
+ /* If backup disconnected then mark that resuming willl not be allowed */
+ if (server->server_type == SILC_ROUTER && !server->backup_router &&
+ sock->type == SILC_SOCKET_TYPE_SERVER && sock->user_data) {
+ SilcServerEntry server_entry = sock->user_data;
+ if (server_entry->server_type == SILC_BACKUP_ROUTER)
+ server->backup_closed = TRUE;
+ }
+
if (silc_socket_get_error(sock, tmp, sizeof(tmp) - 1))
silc_server_free_sock_user_data(server, sock, tmp);
else
silc_server_free_sock_user_data(server, sock, NULL);
} else if (server->router_conn && server->router_conn->sock == sock &&
- !server->router && server->standalone)
- silc_schedule_task_add(server->schedule, 0,
- silc_server_connect_to_router,
- server, 1, 0,
- SILC_TASK_TIMEOUT,
- SILC_TASK_PRI_NORMAL);
+ !server->router && server->standalone) {
+ silc_server_create_connections(server);
+ }
+ SILC_SET_DISCONNECTING(sock);
silc_server_close_connection(server, sock);
return;
}
sequence = idata->psn_receive;
}
- /* Process the packet. This will call the parser that will then
+ /* Then, process the packet. This will call the parser that will then
decrypt and parse the packet. */
- ret = silc_packet_receive_process(sock, server->server_type == SILC_ROUTER ?
- TRUE : FALSE, cipher, hmac, sequence,
+
+ local_is_router = (server->server_type == SILC_ROUTER);
+
+ /* If socket connection is our primary, we are backup and we are doing
+ backup resuming, we won't process the packet as being a router
+ (affects channel message decryption). */
+ if (server->backup_router && SILC_SERVER_IS_BACKUP(sock) &&
+ SILC_PRIMARY_ROUTE(server) == sock)
+ local_is_router = FALSE;
+
+ ret = silc_packet_receive_process(sock, local_is_router,
+ cipher, hmac, sequence,
silc_server_packet_parse, server);
- /* If this socket connection is not authenticated yet and the packet
- processing failed we will drop the connection since it can be
- a malicious flooder. */
- if (sock->type == SILC_SOCKET_TYPE_UNKNOWN && ret == FALSE &&
- (!sock->protocol || sock->protocol->protocol->type ==
- SILC_PROTOCOL_SERVER_KEY_EXCHANGE)) {
- SILC_LOG_DEBUG(("Bad data sent from unknown connection %d", sock->sock));
- SILC_SET_DISCONNECTING(sock);
+ /* If processing failed the connection is closed. */
+ if (!ret) {
+ /* On packet processing errors we may close our primary router
+ connection but won't become primary router if we are the backup
+ since this is local error condition. */
+ if (SILC_PRIMARY_ROUTE(server) == sock && server->backup_router)
+ server->backup_noswitch = TRUE;
if (sock->user_data)
silc_server_free_sock_user_data(server, sock, NULL);
+ SILC_SET_DISCONNECTING(sock);
silc_server_close_connection(server, sock);
}
}
ret = silc_packet_parse_special(packet, idata ? idata->receive_key : NULL);
/* If entry is disabled ignore what we got. */
- if (ret != SILC_PACKET_RESUME_ROUTER &&
- idata && idata->status & SILC_IDLIST_STATUS_DISABLED) {
+ if (idata && idata->status & SILC_IDLIST_STATUS_DISABLED &&
+ ret != SILC_PACKET_HEARTBEAT && ret != SILC_PACKET_RESUME_ROUTER &&
+ ret != SILC_PACKET_REKEY && ret != SILC_PACKET_REKEY_DONE) {
SILC_LOG_DEBUG(("Connection is disabled"));
goto out;
}
SilcServer server = (SilcServer)context;
SilcSocketConnection sock = parser_context->sock;
SilcIDListData idata = (SilcIDListData)sock->user_data;
+ bool ret;
if (idata)
idata->psn_receive = parser_context->packet->sequence + 1;
process all packets synchronously, since there might be packets in
queue that we are not able to decrypt without first processing the
packets before them. */
- if ((parser_context->packet->type == SILC_PACKET_REKEY ||
- parser_context->packet->type == SILC_PACKET_REKEY_DONE) ||
- (sock->protocol && sock->protocol->protocol &&
- (sock->protocol->protocol->type == SILC_PROTOCOL_SERVER_KEY_EXCHANGE ||
- sock->protocol->protocol->type == SILC_PROTOCOL_SERVER_REKEY))) {
- silc_server_packet_parse_real(server->schedule, 0, sock->sock,
+ if (sock->protocol && sock->protocol->protocol &&
+ (sock->protocol->protocol->type == SILC_PROTOCOL_SERVER_KEY_EXCHANGE ||
+ sock->protocol->protocol->type == SILC_PROTOCOL_SERVER_REKEY)) {
+ silc_server_packet_parse_real(server->schedule, server, 0, sock->sock,
parser_context);
/* Reprocess data since we'll return FALSE here. This is because
the idata->receive_key might have become valid in the last packet
and we want to call this processor with valid cipher. */
if (idata)
- silc_packet_receive_process(sock, server->server_type == SILC_ROUTER ?
- TRUE : FALSE, idata->receive_key,
+ ret = silc_packet_receive_process(
+ sock, server->server_type == SILC_ROUTER,
+ idata->receive_key,
idata->hmac_receive, idata->psn_receive,
silc_server_packet_parse, server);
else
- silc_packet_receive_process(sock, server->server_type == SILC_ROUTER ?
- TRUE : FALSE, NULL, NULL, 0,
+ ret = silc_packet_receive_process(
+ sock, server->server_type == SILC_ROUTER,
+ NULL, NULL, 0,
silc_server_packet_parse, server);
+
+ if (!ret) {
+ /* On packet processing errors we may close our primary router
+ connection but won't become primary router if we are the backup
+ since this is local error condition. */
+ if (SILC_PRIMARY_ROUTE(server) == sock && server->backup_router)
+ server->backup_noswitch = TRUE;
+
+ if (sock->user_data)
+ silc_server_free_sock_user_data(server, sock, NULL);
+ SILC_SET_DISCONNECTING(sock);
+ silc_server_close_connection(server, sock);
+ }
+
return FALSE;
}
case SILC_SOCKET_TYPE_SERVER:
case SILC_SOCKET_TYPE_ROUTER:
/* Packets from servers are parsed immediately */
- silc_server_packet_parse_real(server->schedule, 0, sock->sock,
+ silc_server_packet_parse_real(server->schedule, server, 0, sock->sock,
parser_context);
break;
default:
message = silc_memdup(packet->buffer->data + 1,
packet->buffer->len - 1);
- SILC_LOG_INFO(("Disconnected by %s (%s): %s (%d) %s",
+ SILC_LOG_INFO(("Disconnected by %s (%s): %s (%d) %s",
sock->ip, sock->hostname,
silc_get_status_message(status), status,
message ? message : ""));
silc_free(message);
+ /* Do not switch to backup in case of error */
+ server->backup_noswitch = (status == SILC_STATUS_OK ? FALSE : TRUE);
+
+ /* If backup disconnected then mark that resuming willl not be allowed */
+ if (server->server_type == SILC_ROUTER && !server->backup_router &&
+ sock->type == SILC_SOCKET_TYPE_SERVER && sock->user_data) {
+ SilcServerEntry server_entry = sock->user_data;
+ if (server_entry->server_type == SILC_BACKUP_ROUTER)
+ server->backup_closed = TRUE;
+ }
+
/* Handle the disconnection from our end too */
if (sock->user_data && SILC_IS_LOCAL(sock->user_data))
silc_server_free_sock_user_data(server, sock, NULL);
+ SILC_SET_DISCONNECTING(sock);
silc_server_close_connection(server, sock);
+ server->backup_noswitch = FALSE;
}
break;
*/
if (packet->flags & SILC_PACKET_FLAG_LIST)
break;
+
+ /* Check for failure START_USE from backup router */
+ if (server->server_type == SILC_SERVER &&
+ server->backup_primary && packet->buffer->len == 4) {
+ SilcUInt32 type;
+ SILC_GET32_MSB(type, packet->buffer->data);
+ if (type == SILC_SERVER_BACKUP_START_USE) {
+ /* Attempt to reconnect to primary */
+ SILC_LOG_DEBUG(("Received failed START_USE from backup %s", sock->ip));
+
+ /* Default action is to disconnect from backup and reconnect to
+ primary. Since this failure can happen during switching to
+ backup (backup might have not noticed the primary going down yet),
+ we will wait a while and keep sending START_USE to backup.
+ Only after that we'll give up. */
+ if (server->router == sock->user_data &&
+ (time(0) - server->router_connect) < 30) {
+ SILC_LOG_DEBUG(("Resending START_USE to backup router"));
+ silc_server_backup_send_start_use(server, sock, FALSE);
+ break;
+ }
+
+ /* If backup is our primary, disconnect now. */
+ if (server->router == sock->user_data) {
+ if (sock->user_data)
+ silc_server_free_sock_user_data(server, sock, NULL);
+ SILC_SET_DISCONNECTING(sock);
+ silc_server_close_connection(server, sock);
+ }
+
+ /* Reconnect */
+ silc_server_create_connections(server);
+ }
+ }
+
+ /* Execute protocol */
if (sock->protocol) {
- SilcServerFailureContext f;
- f = silc_calloc(1, sizeof(*f));
- f->server = server;
- f->sock = sock;
-
- /* We will wait 5 seconds to process this failure packet */
- silc_schedule_task_add(server->schedule, sock->sock,
- silc_server_failure_callback, (void *)f, 5, 0,
- SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
+ sock->protocol->state = SILC_PROTOCOL_STATE_FAILURE;
+ silc_protocol_execute(sock->protocol, server->schedule, 0, 0);
+ break;
}
break;
silc_protocol_execute(sock->protocol, server->schedule, 0, 100000);
} else {
SILC_LOG_ERROR(("Received Key Exchange packet but no key exchange "
- "protocol active, packet dropped."));
+ "protocol active (%s:%d [%s]).", sock->hostname,
+ sock->port,
+ (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+ sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+ sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+ "Router")));
}
break;
}
} else {
SILC_LOG_ERROR(("Received Key Exchange 1 packet but no key exchange "
- "protocol active, packet dropped."));
+ "protocol active (%s:%d [%s]).", sock->hostname,
+ sock->port,
+ (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+ sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+ sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+ "Router")));
}
break;
}
} else {
SILC_LOG_ERROR(("Received Key Exchange 2 packet but no key exchange "
- "protocol active, packet dropped."));
+ "protocol active (%s:%d [%s]).", sock->hostname,
+ sock->port,
+ (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+ sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+ sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+ "Router")));
}
break;
silc_protocol_execute(sock->protocol, server->schedule, 0, 0);
} else {
SILC_LOG_ERROR(("Received Connection Auth packet but no authentication "
- "protocol active, packet dropped."));
+ "protocol active (%s:%d [%s]).", sock->hostname,
+ sock->port,
+ (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+ sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+ sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+ "Router")));
}
break;
silc_protocol_execute(sock->protocol, server->schedule, 0, 0);
} else {
SILC_LOG_ERROR(("Received Re-key done packet but no re-key "
- "protocol active, packet dropped."));
+ "protocol active (%s:%d [%s]).", sock->hostname,
+ sock->port,
+ (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+ sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+ sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+ "Router")));
}
break;
/* Allocate connection object for hold connection specific stuff. */
sconn = silc_calloc(1, sizeof(*sconn));
- sconn->server = server;
sconn->remote_host = strdup(remote_host);
sconn->remote_port = port;
sconn->no_reconnect = TRUE;
SILC_TASK_CALLBACK(silc_server_close_connection_final)
{
- silc_socket_free(context);
+ SilcServer server = app_context;
+ SilcSocketConnection sock = context;
+
+ SILC_LOG_DEBUG(("Deleting socket %p", sock));
+
+ /* Close the actual connection */
+ silc_net_close_connection(sock->sock);
+ server->sockets[sock->sock] = NULL;
+
+ /* We won't listen for this connection anymore */
+ silc_schedule_task_del_by_fd(server->schedule, sock->sock);
+ silc_schedule_unset_listen_fd(server->schedule, sock->sock);
+
+ silc_socket_free(sock);
}
/* Closes connection to socket connection */
void silc_server_close_connection(SilcServer server,
SilcSocketConnection sock)
{
- if (!server->sockets[sock->sock] && SILC_IS_DISCONNECTED(sock)) {
- silc_schedule_task_add(server->schedule, 0,
+ char tmp[128];
+
+ if (SILC_IS_DISCONNECTED(sock)) {
+ silc_schedule_task_del_by_fd(server->schedule, sock->sock);
+ silc_schedule_task_add(server->schedule, sock->sock,
silc_server_close_connection_final,
(void *)sock, 0, 1, SILC_TASK_TIMEOUT,
SILC_TASK_PRI_NORMAL);
+ server->sockets[sock->sock] = NULL;
return;
}
- SILC_LOG_INFO(("Closing connection %s:%d [%s]", sock->hostname,
- sock->port,
- (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
- sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
- sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
- "Router")));
-
- /* We won't listen for this connection anymore */
- silc_schedule_unset_listen_fd(server->schedule, sock->sock);
-
- /* Unregister all tasks */
- silc_schedule_task_del_by_fd(server->schedule, sock->sock);
-
- /* Close the actual connection */
- silc_net_close_connection(sock->sock);
- server->sockets[sock->sock] = NULL;
-
- /* If sock->user_data is NULL then we'll check for active protocols
- here since the silc_server_free_sock_user_data has not been called
- for this connection. */
- if (!sock->user_data) {
- /* If any protocol is active cancel its execution. It will call
- the final callback which will finalize the disconnection. */
- if (sock->protocol) {
- SILC_LOG_DEBUG(("Cancelling protocol, calling final callback"));
- silc_protocol_cancel(sock->protocol, server->schedule);
- sock->protocol->state = SILC_PROTOCOL_STATE_ERROR;
- silc_protocol_execute_final(sock->protocol, server->schedule);
- sock->protocol = NULL;
- return;
- }
+ /* If any protocol is active cancel its execution. It will call
+ the final callback which will finalize the disconnection. */
+ if (sock->protocol && sock->protocol->protocol &&
+ sock->protocol->protocol->type != SILC_PROTOCOL_SERVER_BACKUP) {
+ SILC_LOG_DEBUG(("Cancelling protocol, calling final callback"));
+ silc_protocol_cancel(sock->protocol, server->schedule);
+ sock->protocol->state = SILC_PROTOCOL_STATE_ERROR;
+ silc_protocol_execute_final(sock->protocol, server->schedule);
+ sock->protocol = NULL;
+ return;
}
- silc_schedule_task_add(server->schedule, 0,
+ memset(tmp, 0, sizeof(tmp));
+ silc_socket_get_error(sock, tmp, sizeof(tmp));
+ SILC_LOG_INFO(("Closing connection %s:%d [%s] %s", sock->hostname,
+ sock->port,
+ (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+ sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+ sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+ "Router"), tmp[0] ? tmp : ""));
+
+ SILC_SET_DISCONNECTED(sock);
+ silc_schedule_task_add(server->schedule, sock->sock,
silc_server_close_connection_final,
(void *)sock, 0, 1, SILC_TASK_TIMEOUT,
SILC_TASK_PRI_NORMAL);
+ server->sockets[sock->sock] = NULL;
}
/* Sends disconnect message to remote connection and disconnects the
- connection. */
+ connection. NOTE: If this is called from protocol callback
+ then sock->protocol must be set NULL before calling this, since
+ this routine dispatches protocol callbacks too. */
void silc_server_disconnect_remote(SilcServer server,
SilcSocketConnection sock,
if (!sock)
return;
+ if (SILC_IS_DISCONNECTING(sock)) {
+ SILC_SET_DISCONNECTED(sock);
+ silc_server_close_connection(server, sock);
+ return;
+ }
+
memset(buf, 0, sizeof(buf));
va_start(ap, status);
cp = va_arg(ap, char *);
silc_server_packet_queue_purge(server, sock);
/* Mark the connection to be disconnected */
- SILC_SET_DISCONNECTED(sock);
+ SILC_SET_DISCONNECTING(sock);
silc_server_close_connection(server, sock);
}
-typedef struct {
- SilcServer server;
- SilcClientEntry client;
-} *FreeClientInternal;
-
SILC_TASK_CALLBACK(silc_server_free_client_data_timeout)
{
- FreeClientInternal i = (FreeClientInternal)context;
+ SilcServer server = app_context;
+ SilcClientEntry client = context;
- silc_idlist_del_data(i->client);
- silc_idcache_purge_by_context(i->server->local_list->clients, i->client);
- silc_free(i);
+ assert(!silc_hash_table_count(client->channels));
+
+ silc_idlist_del_data(client);
+ silc_idcache_purge_by_context(server->local_list->clients, client);
}
/* Frees client data and notifies about client's signoff. */
int notify,
const char *signoff)
{
- FreeClientInternal i = silc_calloc(1, sizeof(*i));
-
SILC_LOG_DEBUG(("Freeing client data"));
-#if 1
- if (!client->router && !client->connection &&
- !(client->data.status & SILC_IDLIST_STATUS_REGISTERED)) {
- SILC_LOG_ERROR(("****** freeing data for already unregistered client -s"));
- SILC_LOG_ERROR(("****** Contact Pekka"));
- SILC_LOG_ERROR(("****** freeing data for already unregistered client -e"));
- return;
- }
-#endif
-
/* If there is pending outgoing data for the client then purge it
to the network before removing the client entry. */
silc_server_packet_queue_purge(server, sock);
/* Remove client from all channels */
if (notify)
silc_server_remove_from_channels(server, NULL, client,
- TRUE, (char *)signoff, TRUE);
+ TRUE, (char *)signoff, TRUE, FALSE);
else
silc_server_remove_from_channels(server, NULL, client,
- FALSE, NULL, FALSE);
+ FALSE, NULL, FALSE, FALSE);
/* Remove this client from watcher list if it is */
silc_server_del_from_watcher_list(server, client);
silc_schedule_task_del_by_context(server->schedule, client);
/* We will not delete the client entry right away. We will take it
- into history (for WHOWAS command) for 5 minutes */
- i->server = server;
- i->client = client;
- silc_schedule_task_add(server->schedule, 0,
- silc_server_free_client_data_timeout,
- (void *)i, 300, 0,
- SILC_TASK_TIMEOUT, SILC_TASK_PRI_LOW);
- client->data.status &= ~SILC_IDLIST_STATUS_REGISTERED;
- client->mode = 0;
- client->router = NULL;
- client->connection = NULL;
+ into history (for WHOWAS command) for 5 minutes, unless we're
+ shutting down server. */
+ if (!server->server_shutdown) {
+ silc_schedule_task_add(server->schedule, 0,
+ silc_server_free_client_data_timeout,
+ client, 300, 0,
+ SILC_TASK_TIMEOUT, SILC_TASK_PRI_LOW);
+ client->data.status &= ~SILC_IDLIST_STATUS_REGISTERED;
+ client->data.status &= ~SILC_IDLIST_STATUS_LOCAL;
+ client->mode = 0;
+ client->router = NULL;
+ client->connection = NULL;
+ } else {
+ /* Delete directly since we're shutting down server */
+ silc_idlist_del_data(client);
+ silc_idlist_del_client(server->local_list, client);
+ }
}
/* Frees user_data pointer from socket connection object. This also sends
SilcSocketConnection sock,
const char *signoff_message)
{
+
+ /* If any protocol is active cancel its execution */
+ if (sock->protocol && sock->protocol->protocol &&
+ sock->protocol->protocol->type != SILC_PROTOCOL_SERVER_BACKUP) {
+ SILC_LOG_DEBUG(("Cancelling protocol, calling final callback"));
+ silc_protocol_cancel(sock->protocol, server->schedule);
+ sock->protocol->state = SILC_PROTOCOL_STATE_ERROR;
+ silc_protocol_execute_final(sock->protocol, server->schedule);
+ sock->protocol = NULL;
+ }
+
switch (sock->type) {
case SILC_SOCKET_TYPE_CLIENT:
{
if (user_data->id)
backup_router = silc_server_backup_get(server, user_data->id);
+ if (!server->backup_router && server->server_type == SILC_ROUTER &&
+ backup_router == server->id_entry &&
+ sock->type != SILC_SOCKET_TYPE_ROUTER)
+ backup_router = NULL;
+
+ if (server->server_shutdown || server->backup_noswitch)
+ backup_router = NULL;
+
/* If this was our primary router connection then we're lost to
the outside world. */
if (server->router == user_data) {
/* Check whether we have a backup router connection */
if (!backup_router || backup_router == user_data) {
- silc_schedule_task_add(server->schedule, 0,
- silc_server_connect_to_router,
- server, 1, 0,
- SILC_TASK_TIMEOUT,
- SILC_TASK_PRI_NORMAL);
-
+ if (!server->no_reconnect)
+ silc_server_create_connections(server);
server->id_entry->router = NULL;
server->router = NULL;
server->standalone = TRUE;
+ server->backup_primary = FALSE;
backup_router = NULL;
} else {
if (server->id_entry != backup_router) {
server->router = backup_router;
server->router_connect = time(0);
server->backup_primary = TRUE;
+ backup_router->data.status &= ~SILC_IDLIST_STATUS_DISABLED;
+
+ /* Send START_USE to backup router to indicate we have switched */
+ silc_server_backup_send_start_use(server,
+ backup_router->connection,
+ FALSE);
} else {
SILC_LOG_INFO(("We are now new primary router in this cell"));
server->id_entry->router = NULL;
server->router = NULL;
server->standalone = TRUE;
-
- /* We stop here to take a breath */
- sleep(2);
}
- if (server->server_type == SILC_BACKUP_ROUTER) {
+ /* We stop here to take a breath */
+ sleep(2);
+
+ if (server->backup_router) {
server->server_type = SILC_ROUTER;
/* We'll need to constantly try to reconnect to the primary
} else if (backup_router) {
SILC_LOG_INFO(("Enabling the use of backup router %s",
backup_router->server_name));
- SILC_LOG_DEBUG(("Enabling the use of backup router %s",
- backup_router->server_name));
/* Mark this connection as replaced */
silc_server_backup_replaced_add(server, user_data->id,
backup_router);
+ } else if (server->server_type == SILC_SERVER &&
+ sock->type == SILC_SOCKET_TYPE_ROUTER) {
+ /* Reconnect to the router (backup) */
+ if (!server->no_reconnect)
+ silc_server_create_connections(server);
}
+ if (user_data->server_name)
+ SILC_SERVER_SEND_OPERS(server, FALSE, TRUE, SILC_NOTIFY_TYPE_NONE,
+ ("Server %s signoff", user_data->server_name));
+
if (!backup_router) {
/* Remove all servers that are originated from this server, and
remove the clients of those servers too. */
silc_server_remove_servers_by_server(server, user_data, TRUE);
+#if 0
/* Remove the clients that this server owns as they will become
- invalid now too. */
- silc_server_remove_clients_by_server(server, user_data,
- user_data, TRUE);
+ invalid now too. For backup router the server is actually
+ coming from the primary router, so mark that as the owner
+ of this entry. */
+ if (server->server_type == SILC_BACKUP_ROUTER &&
+ sock->type == SILC_SOCKET_TYPE_SERVER)
+ silc_server_remove_clients_by_server(server, server->router,
+ user_data, TRUE);
+ else
+#endif
+ silc_server_remove_clients_by_server(server, user_data,
+ user_data, TRUE);
/* Remove channels owned by this server */
if (server->server_type == SILC_SERVER)
/* Enable local server connections that may be disabled */
silc_server_local_servers_toggle_enabled(server, TRUE);
+ /* Update the client entries of this server to the new backup
+ router. If we are the backup router we also resolve the real
+ servers for the clients. After updating is over this also
+ removes the clients that this server explicitly owns. */
+ silc_server_update_clients_by_server(server, user_data,
+ backup_router, TRUE);
+
/* If we are router and just lost our primary router (now standlaone)
we remove everything that was behind it, since we don't know
any better. */
remove the clients of those servers too. */
silc_server_remove_servers_by_server(server, user_data, TRUE);
- /* Update the client entries of this server to the new backup
- router. If we are the backup router we also resolve the real
- servers for the clients. After updating is over this also
- removes the clients that this server explicitly owns. */
- silc_server_update_clients_by_server(server, user_data,
- backup_router, TRUE, TRUE);
+ /* Finally remove the clients that are explicitly owned by this
+ server. They go down with the server. */
+ silc_server_remove_clients_by_server(server, user_data,
+ user_data, TRUE);
/* Update our server cache to use the new backup router too. */
silc_server_update_servers_by_server(server, user_data, backup_router);
("%s switched to backup router %s "
"(we are primary router now)",
server->server_name, server->server_name));
- else
+ else if (server->router)
SILC_SERVER_SEND_OPERS(server, FALSE, TRUE,
SILC_NOTIFY_TYPE_NONE,
("%s switched to backup router %s",
server->server_name,
server->router->server_name));
}
+ server->backup_noswitch = FALSE;
/* Free the server entry */
silc_server_backup_del(server, user_data);
}
}
- /* If any protocol is active cancel its execution */
- if (sock->protocol) {
- SILC_LOG_DEBUG(("Cancelling protocol, calling final callback"));
- silc_protocol_cancel(sock->protocol, server->schedule);
- sock->protocol->state = SILC_PROTOCOL_STATE_ERROR;
- silc_protocol_execute_final(sock->protocol, server->schedule);
- sock->protocol = NULL;
- }
-
sock->user_data = NULL;
}
SilcClientEntry client,
bool notify,
const char *signoff_message,
- bool keygen)
+ bool keygen,
+ bool killed)
{
SilcChannelEntry channel;
SilcChannelClientEntry chl;
if (!client)
return;
- SILC_LOG_DEBUG(("Removing client from joined channels"));
-
if (notify && !client->id)
notify = FALSE;
+ SILC_LOG_DEBUG(("Removing client %s from joined channels",
+ notify ? silc_id_render(client->id, SILC_ID_CLIENT) : ""));
+
if (notify) {
clidp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
if (!clidp)
/* Remove channel if this is last client leaving the channel, unless
the channel is permanent. */
- if (server->server_type == SILC_ROUTER &&
+ if (server->server_type != SILC_SERVER &&
silc_hash_table_count(channel->user_list) < 2) {
silc_server_channel_delete(server, channel);
continue;
}
silc_hash_table_del(client->channels, channel);
- silc_hash_table_del(channel->user_list, chl->client);
+ silc_hash_table_del(channel->user_list, client);
channel->user_count--;
/* If there is no global users on the channel anymore mark the channel
as local channel. Do not check if the removed client is local client. */
- if (server->server_type != SILC_ROUTER && channel->global_users &&
+ if (server->server_type == SILC_SERVER && channel->global_users &&
chl->client->router && !silc_server_channel_has_global(channel))
channel->global_users = FALSE;
+ memset(chl, 'A', sizeof(*chl));
silc_free(chl);
/* Update statistics */
/* If there is not at least one local user on the channel then we don't
need the channel entry anymore, we can remove it safely, unless the
channel is permanent channel */
- if (server->server_type != SILC_ROUTER &&
+ if (server->server_type == SILC_SERVER &&
!silc_server_channel_has_local(channel)) {
/* Notify about leaving client if this channel has global users. */
if (notify && channel->global_users)
- silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
+ silc_server_send_notify_to_channel(server, NULL, channel, FALSE, TRUE,
SILC_NOTIFY_TYPE_SIGNOFF,
signoff_message ? 2 : 1,
clidp->data, clidp->len,
/* Send notify to channel about client leaving SILC and channel too */
if (notify)
- silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
+ silc_server_send_notify_to_channel(server, NULL, channel, FALSE, TRUE,
SILC_NOTIFY_TYPE_SIGNOFF,
signoff_message ? 2 : 1,
clidp->data, clidp->len,
signoff_message, signoff_message ?
strlen(signoff_message) : 0);
+ if (killed && clidp) {
+ /* Remove the client from channel's invite list */
+ if (channel->invite_list &&
+ silc_hash_table_count(channel->invite_list)) {
+ SilcBuffer ab;
+ SilcArgumentPayload iargs;
+ ab = silc_argument_payload_encode_one(NULL, clidp->data,
+ clidp->len, 3);
+ iargs = silc_argument_payload_parse(ab->data, ab->len, 1);
+ silc_server_inviteban_process(server, channel->invite_list, 1, iargs);
+ silc_buffer_free(ab);
+ silc_argument_payload_free(iargs);
+ }
+ }
+
+ /* Don't create keys if we are shutting down */
+ if (server->server_shutdown)
+ continue;
+
/* Re-generate channel key if needed */
if (keygen && !(channel->mode & SILC_CHANNEL_MODE_PRIVKEY)) {
if (!silc_server_create_channel_key(server, channel, 0))
SilcBuffer clidp;
SILC_LOG_DEBUG(("Removing %s from channel %s",
- silc_id_render(client->id, SILC_ID_CLIENT),
+ silc_id_render(client->id, SILC_ID_CLIENT),
channel->channel_name));
/* Get the entry to the channel, if this client is not on the channel
/* Remove channel if this is last client leaving the channel, unless
the channel is permanent. */
- if (server->server_type == SILC_ROUTER &&
+ if (server->server_type != SILC_SERVER &&
silc_hash_table_count(channel->user_list) < 2) {
silc_server_channel_delete(server, channel);
return FALSE;
}
- silc_hash_table_del(client->channels, chl->channel);
- silc_hash_table_del(channel->user_list, chl->client);
+ silc_hash_table_del(client->channels, channel);
+ silc_hash_table_del(channel->user_list, client);
channel->user_count--;
/* If there is no global users on the channel anymore mark the channel
as local channel. Do not check if the client is local client. */
- if (server->server_type != SILC_ROUTER && channel->global_users &&
+ if (server->server_type == SILC_SERVER && channel->global_users &&
chl->client->router && !silc_server_channel_has_global(channel))
channel->global_users = FALSE;
+ memset(chl, 'O', sizeof(*chl));
silc_free(chl);
/* Update statistics */
/* If there is not at least one local user on the channel then we don't
need the channel entry anymore, we can remove it safely, unless the
channel is permanent channel */
- if (server->server_type != SILC_ROUTER &&
+ if (server->server_type == SILC_SERVER &&
!silc_server_channel_has_local(channel)) {
/* Notify about leaving client if this channel has global users. */
if (notify && channel->global_users)
- silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
+ silc_server_send_notify_to_channel(server, NULL, channel, FALSE, TRUE,
SILC_NOTIFY_TYPE_LEAVE, 1,
clidp->data, clidp->len);
/* Send notify to channel about client leaving the channel */
if (notify)
- silc_server_send_notify_to_channel(server, NULL, channel, FALSE,
+ silc_server_send_notify_to_channel(server, NULL, channel, FALSE, TRUE,
SILC_NOTIFY_TYPE_LEAVE, 1,
clidp->data, clidp->len);
/* If we have protocol active we must assure that we call the protocol's
final callback so that all the memory is freed. */
- if (sock->protocol) {
+ if (sock->protocol && sock->protocol->protocol &&
+ sock->protocol->protocol->type != SILC_PROTOCOL_SERVER_BACKUP) {
protocol = sock->protocol->protocol->type;
silc_protocol_cancel(sock->protocol, server->schedule);
sock->protocol->state = SILC_PROTOCOL_STATE_ERROR;
return;
}
- if (sock->user_data)
- silc_server_free_sock_user_data(server, sock, NULL);
-
- silc_server_disconnect_remote(server, sock,
- protocol ==
+ silc_server_disconnect_remote(server, sock,
+ protocol ==
SILC_PROTOCOL_SERVER_CONNECTION_AUTH ?
SILC_STATUS_ERR_AUTH_FAILED :
SILC_STATUS_ERR_KEY_EXCHANGE_FAILED,
"Connection timeout");
+
+ if (sock->user_data)
+ silc_server_free_sock_user_data(server, sock, NULL);
}
/* Creates new channel. Sends NEW_CHANNEL packet to primary route. This
SILC_TASK_CALLBACK(silc_server_channel_key_rekey)
{
+ SilcServer server = app_context;
SilcServerChannelRekey rekey = (SilcServerChannelRekey)context;
- SilcServer server = (SilcServer)rekey->context;
rekey->task = NULL;
+ /* Return now if we are shutting down */
+ if (server->server_shutdown)
+ return;
+
if (!silc_server_create_channel_key(server, rekey->channel, rekey->key_len))
return;
unsigned char channel_key[32], hash[32];
SilcUInt32 len;
- SILC_LOG_DEBUG(("Generating channel key"));
-
if (channel->mode & SILC_CHANNEL_MODE_PRIVKEY) {
SILC_LOG_DEBUG(("Channel has private keys, will not generate new key"));
return TRUE;
}
+ SILC_LOG_DEBUG(("Generating channel %s key", channel->channel_name));
+
if (!channel->channel_key)
if (!silc_cipher_alloc(SILC_DEFAULT_CIPHER, &channel->channel_key)) {
channel->channel_key = NULL;
/* Generate HMAC key from the channel key data and set it */
if (!channel->hmac)
- silc_hmac_alloc(SILC_DEFAULT_HMAC, NULL, &channel->hmac);
+ if (!silc_hmac_alloc(SILC_DEFAULT_HMAC, NULL, &channel->hmac)) {
+ memset(channel->key, 0, channel->key_len / 8);
+ silc_free(channel->key);
+ channel->channel_key = NULL;
+ return FALSE;
+ }
silc_hash_make(silc_hmac_get_hash(channel->hmac), channel->key, len, hash);
silc_hmac_set_key(channel->hmac, hash,
silc_hash_len(silc_hmac_get_hash(channel->hmac)));
if (server->server_type == SILC_ROUTER) {
if (!channel->rekey)
channel->rekey = silc_calloc(1, sizeof(*channel->rekey));
- channel->rekey->context = (void *)server;
channel->rekey->channel = channel;
channel->rekey->key_len = key_len;
if (channel->rekey->task)
SilcUInt32 tmp_len;
char *cipher;
- SILC_LOG_DEBUG(("Saving new channel key"));
-
/* Decode channel key payload */
payload = silc_channel_key_payload_parse(key_payload->data,
key_payload->len);
if (!channel) {
channel = silc_idlist_find_channel_by_id(server->global_list, id, NULL);
if (!channel) {
- SILC_LOG_ERROR(("Received key for non-existent channel %s",
- silc_id_render(id, SILC_ID_CHANNEL)));
+ if (server->server_type == SILC_ROUTER)
+ SILC_LOG_ERROR(("Received key for non-existent channel %s",
+ silc_id_render(id, SILC_ID_CHANNEL)));
goto out;
}
}
}
+ SILC_LOG_DEBUG(("Saving new channel %s key", channel->channel_name));
+
tmp = silc_channel_key_get_key(payload, &tmp_len);
if (!tmp) {
channel = NULL;
/* Generate HMAC key from the channel key data and set it */
if (!channel->hmac)
- silc_hmac_alloc(SILC_DEFAULT_HMAC, NULL, &channel->hmac);
+ if (!silc_hmac_alloc(SILC_DEFAULT_HMAC, NULL, &channel->hmac)) {
+ memset(channel->key, 0, channel->key_len / 8);
+ silc_free(channel->key);
+ channel->channel_key = NULL;
+ return FALSE;
+ }
silc_hash_make(silc_hmac_get_hash(channel->hmac), tmp, tmp_len, hash);
silc_hmac_set_key(channel->hmac, hash,
silc_hash_len(silc_hmac_get_hash(channel->hmac)));
if (server->server_type == SILC_ROUTER) {
if (!channel->rekey)
channel->rekey = silc_calloc(1, sizeof(*channel->rekey));
- channel->rekey->context = (void *)server;
channel->rekey->channel = channel;
if (channel->rekey->task)
silc_schedule_task_del(server->schedule, channel->rekey->task);
void silc_server_perform_heartbeat(SilcSocketConnection sock,
void *hb_context)
{
- SilcServerHBContext hb = (SilcServerHBContext)hb_context;
+ SilcServer server = hb_context;
- SILC_LOG_DEBUG(("Sending heartbeat to %s (%s)", sock->hostname, sock->ip));
+ SILC_LOG_DEBUG(("Sending heartbeat to %s:%d (%s)", sock->hostname,
+ sock->port, sock->ip));
/* Send the heartbeat */
- silc_server_send_heartbeat(hb->server, sock);
+ silc_server_send_heartbeat(server, sock);
}
/* Returns assembled of all servers in the given ID list. The packet's
break;
continue;
}
+ if (!(client->data.status & SILC_IDLIST_STATUS_REGISTERED) &&
+ !client->connection && !client->router && !SILC_IS_LOCAL(client)) {
+ if (!silc_idcache_list_next(list, &id_cache))
+ break;
+ continue;
+ }
idp = silc_id_payload_encode(client->id, SILC_ID_CLIENT);
}
}
+/* Returns channel's invite and ban lists */
+
+void silc_server_announce_get_inviteban(SilcServer server,
+ SilcChannelEntry channel,
+ SilcBuffer *invite,
+ SilcBuffer *ban)
+{
+ SilcBuffer list, idp, idp2, tmp2;
+ SilcUInt32 type;
+ SilcHashTableList htl;
+ const unsigned char a[1] = { 0x03 };
+
+ idp = silc_id_payload_encode((void *)channel->id, SILC_ID_CHANNEL);
+
+ /* Encode invite list */
+ if (channel->invite_list && silc_hash_table_count(channel->invite_list)) {
+ list = silc_buffer_alloc_size(2);
+ type = silc_hash_table_count(channel->invite_list);
+ SILC_PUT16_MSB(type, list->data);
+ silc_hash_table_list(channel->invite_list, &htl);
+ while (silc_hash_table_get(&htl, (void **)&type, (void **)&tmp2))
+ list = silc_argument_payload_encode_one(list, tmp2->data, tmp2->len,
+ type);
+ silc_hash_table_list_reset(&htl);
+
+ idp2 = silc_id_payload_encode(server->id, SILC_ID_SERVER);
+ *invite =
+ silc_server_announce_encode_notify(SILC_NOTIFY_TYPE_INVITE, 5,
+ idp->data, idp->len,
+ channel->channel_name,
+ strlen(channel->channel_name),
+ idp2->data, idp2->len,
+ a, 1,
+ list->data, list->len);
+ silc_buffer_free(idp2);
+ silc_buffer_free(list);
+ }
+
+ /* Encode ban list */
+ if (channel->ban_list && silc_hash_table_count(channel->ban_list)) {
+ list = silc_buffer_alloc_size(2);
+ type = silc_hash_table_count(channel->ban_list);
+ SILC_PUT16_MSB(type, list->data);
+ silc_hash_table_list(channel->ban_list, &htl);
+ while (silc_hash_table_get(&htl, (void **)&type, (void **)&tmp2))
+ list = silc_argument_payload_encode_one(list, tmp2->data, tmp2->len,
+ type);
+ silc_hash_table_list_reset(&htl);
+
+ *ban =
+ silc_server_announce_encode_notify(SILC_NOTIFY_TYPE_BAN, 3,
+ idp->data, idp->len,
+ a, 1,
+ list->data, list->len);
+ silc_buffer_free(list);
+ }
+
+ silc_buffer_free(idp);
+}
+
/* Returns assembled packets for channel users of the `channel'. */
void silc_server_announce_get_channel_users(SilcServer server,
SilcChannelClientEntry chl;
SilcHashTableList htl;
SilcBuffer chidp, clidp, csidp;
- SilcBuffer tmp;
+ SilcBuffer tmp, fkey = NULL, chpklist;
int len;
- unsigned char mode[4], *fkey = NULL;
- SilcUInt32 fkey_len = 0;
+ unsigned char mode[4];
char *hmac;
SILC_LOG_DEBUG(("Start"));
chidp = silc_id_payload_encode(channel->id, SILC_ID_CHANNEL);
csidp = silc_id_payload_encode(server->id, SILC_ID_SERVER);
+ chpklist = silc_server_get_channel_pk_list(server, channel, TRUE, FALSE);
/* CMODE notify */
SILC_PUT32_MSB(channel->mode, mode);
hmac = channel->hmac ? (char *)silc_hmac_get_name(channel->hmac) : NULL;
if (channel->founder_key)
- fkey = silc_pkcs_public_key_encode(channel->founder_key, &fkey_len);
- tmp =
+ fkey = silc_pkcs_public_key_payload_encode(channel->founder_key);
+ tmp =
silc_server_announce_encode_notify(SILC_NOTIFY_TYPE_CMODE_CHANGE,
- 6, csidp->data, csidp->len,
+ 7, csidp->data, csidp->len,
mode, sizeof(mode),
NULL, 0,
hmac, hmac ? strlen(hmac) : 0,
channel->passphrase,
channel->passphrase ?
strlen(channel->passphrase) : 0,
- fkey, fkey_len);
+ fkey ? fkey->data : NULL,
+ fkey ? fkey->len : 0,
+ chpklist ? chpklist->data : NULL,
+ chpklist ? chpklist->len : 0);
len = tmp->len;
*channel_modes =
silc_buffer_realloc(*channel_modes,
silc_buffer_put(*channel_modes, tmp->data, tmp->len);
silc_buffer_pull(*channel_modes, len);
silc_buffer_free(tmp);
- silc_free(fkey);
+ silc_buffer_free(fkey);
fkey = NULL;
- fkey_len = 0;
/* Now find all users on the channel */
silc_hash_table_list(channel->user_list, &htl);
/* CUMODE notify for mode change on the channel */
SILC_PUT32_MSB(chl->mode, mode);
if (chl->mode & SILC_CHANNEL_UMODE_CHANFO && channel->founder_key)
- fkey = silc_pkcs_public_key_encode(channel->founder_key, &fkey_len);
+ fkey = silc_pkcs_public_key_payload_encode(channel->founder_key);
tmp = silc_server_announce_encode_notify(SILC_NOTIFY_TYPE_CUMODE_CHANGE,
4, csidp->data, csidp->len,
mode, sizeof(mode),
clidp->data, clidp->len,
- fkey, fkey_len);
+ fkey ? fkey->data : NULL,
+ fkey ? fkey->len : 0);
len = tmp->len;
*channel_users_modes =
silc_buffer_realloc(*channel_users_modes,
silc_buffer_put(*channel_users_modes, tmp->data, tmp->len);
silc_buffer_pull(*channel_users_modes, len);
silc_buffer_free(tmp);
- silc_free(fkey);
+ silc_buffer_free(fkey);
fkey = NULL;
- fkey_len = 0;
silc_buffer_free(clidp);
}
silc_hash_table_list_reset(&htl);
SilcBuffer **channel_users_modes,
SilcUInt32 *channel_users_modes_c,
SilcBuffer **channel_topics,
+ SilcBuffer **channel_invites,
+ SilcBuffer **channel_bans,
SilcChannelID ***channel_ids,
unsigned long creation_time)
{
silc_buffer_pull(*channels, len);
}
- /* Channel user modes */
- *channel_users_modes = silc_realloc(*channel_users_modes,
- sizeof(**channel_users_modes) *
- (i + 1));
- (*channel_users_modes)[i] = NULL;
- *channel_modes = silc_realloc(*channel_modes,
- sizeof(**channel_modes) * (i + 1));
- (*channel_modes)[i] = NULL;
- *channel_ids = silc_realloc(*channel_ids,
- sizeof(**channel_ids) * (i + 1));
- (*channel_ids)[i] = NULL;
- silc_server_announce_get_channel_users(server, channel,
- &(*channel_modes)[i],
- channel_users,
- &(*channel_users_modes)[i]);
- (*channel_ids)[i] = channel->id;
-
- /* Channel's topic */
- *channel_topics = silc_realloc(*channel_topics,
- sizeof(**channel_topics) * (i + 1));
- (*channel_topics)[i] = NULL;
- silc_server_announce_get_channel_topic(server, channel,
- &(*channel_topics)[i]);
- (*channel_users_modes_c)++;
- i++;
+ if (creation_time && channel->updated < creation_time)
+ announce = FALSE;
+ else
+ announce = TRUE;
+
+ if (announce) {
+ /* Channel user modes */
+ *channel_users_modes = silc_realloc(*channel_users_modes,
+ sizeof(**channel_users_modes) *
+ (i + 1));
+ (*channel_users_modes)[i] = NULL;
+ *channel_modes = silc_realloc(*channel_modes,
+ sizeof(**channel_modes) * (i + 1));
+ (*channel_modes)[i] = NULL;
+ *channel_ids = silc_realloc(*channel_ids,
+ sizeof(**channel_ids) * (i + 1));
+ (*channel_ids)[i] = NULL;
+ silc_server_announce_get_channel_users(server, channel,
+ &(*channel_modes)[i],
+ channel_users,
+ &(*channel_users_modes)[i]);
+ (*channel_ids)[i] = channel->id;
+
+ /* Channel's topic */
+ *channel_topics = silc_realloc(*channel_topics,
+ sizeof(**channel_topics) * (i + 1));
+ (*channel_topics)[i] = NULL;
+ silc_server_announce_get_channel_topic(server, channel,
+ &(*channel_topics)[i]);
+
+ /* Channel's invite and ban list */
+ *channel_invites = silc_realloc(*channel_invites,
+ sizeof(**channel_invites) * (i + 1));
+ (*channel_invites)[i] = NULL;
+ *channel_bans = silc_realloc(*channel_bans,
+ sizeof(**channel_bans) * (i + 1));
+ (*channel_bans)[i] = NULL;
+ silc_server_announce_get_inviteban(server, channel,
+ &(*channel_invites)[i],
+ &(*channel_bans)[i]);
+
+ (*channel_users_modes_c)++;
+ silc_free(cid);
+
+ i++;
+ }
if (!silc_idcache_list_next(list, &id_cache))
break;
SilcBuffer channels = NULL, *channel_modes = NULL, channel_users = NULL;
SilcBuffer *channel_users_modes = NULL;
SilcBuffer *channel_topics = NULL;
+ SilcBuffer *channel_invites = NULL;
+ SilcBuffer *channel_bans = NULL;
SilcUInt32 channel_users_modes_c = 0;
SilcChannelID **channel_ids = NULL;
&channel_users_modes,
&channel_users_modes_c,
&channel_topics,
+ &channel_invites,
+ &channel_bans,
&channel_ids, creation_time);
/* Get channels and channel users in global list */
&channel_users_modes,
&channel_users_modes_c,
&channel_topics,
+ &channel_invites,
+ &channel_bans,
&channel_ids, creation_time);
if (channels) {
silc_free(channel_topics);
}
- silc_free(channel_ids);
-}
+ if (channel_invites) {
+ int i;
-/* Failure timeout callback. If this is called then we will immediately
- process the received failure. We always process the failure with timeout
- since we do not want to blindly trust to received failure packets.
- This won't be called (the timeout is cancelled) if the failure was
- bogus (it is bogus if remote does not close the connection after sending
- the failure). */
+ for (i = 0; i < channel_users_modes_c; i++) {
+ if (!channel_invites[i])
+ continue;
-SILC_TASK_CALLBACK(silc_server_failure_callback)
-{
- SilcServerFailureContext f = (SilcServerFailureContext)context;
+ silc_buffer_push(channel_invites[i],
+ channel_invites[i]->data -
+ channel_invites[i]->head);
+ SILC_LOG_HEXDUMP(("channel invite list"), channel_invites[i]->data,
+ channel_invites[i]->len);
+ silc_server_packet_send_dest(server, remote,
+ SILC_PACKET_NOTIFY, SILC_PACKET_FLAG_LIST,
+ channel_ids[i], SILC_ID_CHANNEL,
+ channel_invites[i]->data,
+ channel_invites[i]->len,
+ FALSE);
+ silc_buffer_free(channel_invites[i]);
+ }
+ silc_free(channel_invites);
+ }
+
+ if (channel_bans) {
+ int i;
- if (f->sock->protocol) {
- f->sock->protocol->state = SILC_PROTOCOL_STATE_FAILURE;
- silc_protocol_execute(f->sock->protocol, f->server->schedule, 0, 0);
+ for (i = 0; i < channel_users_modes_c; i++) {
+ if (!channel_bans[i])
+ continue;
+
+ silc_buffer_push(channel_bans[i],
+ channel_bans[i]->data -
+ channel_bans[i]->head);
+ SILC_LOG_HEXDUMP(("channel ban list"), channel_bans[i]->data,
+ channel_bans[i]->len);
+ silc_server_packet_send_dest(server, remote,
+ SILC_PACKET_NOTIFY, SILC_PACKET_FLAG_LIST,
+ channel_ids[i], SILC_ID_CHANNEL,
+ channel_bans[i]->data,
+ channel_bans[i]->len,
+ FALSE);
+ silc_buffer_free(channel_bans[i]);
+ }
+ silc_free(channel_bans);
}
- silc_free(f);
+ silc_free(channel_ids);
}
/* Assembles user list and users mode list from the `channel'. */
SilcClientEntry client;
SilcIDCacheEntry cache;
SilcChannelClientEntry chl;
- bool global;
- SILC_LOG_DEBUG(("Start"));
+ SILC_LOG_DEBUG(("Saving %d users on %s channel", user_count,
+ channel->channel_name));
for (i = 0; i < user_count; i++) {
/* Client ID */
continue;
}
- global = FALSE;
+ cache = NULL;
/* Check if we have this client cached already. */
client = silc_idlist_find_client_by_id(server->local_list, client_id,
server->server_type, &cache);
- if (!client) {
+ if (!client)
client = silc_idlist_find_client_by_id(server->global_list,
client_id, server->server_type,
&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) {
+ if (server->server_type != SILC_SERVER) {
silc_free(client_id);
continue;
}
}
client->data.status |= SILC_IDLIST_STATUS_REGISTERED;
- } else {
- /* Found, if it is from global list we'll assure that we won't
- expire it now that the entry is on channel. */
- if (global)
- cache->expire = 0;
}
+ if (cache)
+ cache->expire = 0;
silc_free(client_id);
+ if (!(client->data.status & SILC_IDLIST_STATUS_REGISTERED)) {
+ SILC_LOG_ERROR(("Attempting to add unregistered client to channel ",
+ "%s", channel->channel_name));
+ continue;
+ }
+
if (!silc_server_client_on_channel(client, channel, &chl)) {
/* Client was not on the channel, add it. */
chl = silc_calloc(1, sizeof(*chl));
char *name;
int i = 0;
- if (!channels ||!channels_user_modes)
+ if (!channels || !channels_user_modes ||
+ !(client->data.status & SILC_IDLIST_STATUS_REGISTERED))
goto out;
-
+
ch = silc_channel_payload_parse_list(channels->data, channels->len);
if (ch && silc_get_mode_list(channels_user_modes, silc_dlist_count(ch),
&chumodes)) {
- ht = silc_hash_table_alloc(0, silc_hash_ptr, NULL, NULL,
+ ht = silc_hash_table_alloc(0, silc_hash_ptr, NULL, NULL,
NULL, NULL, NULL, TRUE);
silc_dlist_start(ch);
while ((entry = silc_dlist_get(ch)) != SILC_LIST_END) {
/* Check if we have this channel, and add it if we don't have it.
Also add the client on the channel unless it is there already. */
channel_id = silc_channel_get_id_parse(entry);
- channel = silc_idlist_find_channel_by_id(server->local_list,
+ channel = silc_idlist_find_channel_by_id(server->local_list,
channel_id, NULL);
if (!channel)
channel = silc_idlist_find_channel_by_id(server->global_list,
i++;
continue;
}
-
+
/* We don't have that channel anywhere, add it. */
name = silc_channel_get_name(entry, NULL);
channel = silc_idlist_add_channel(server->global_list, strdup(name), 0,
return buffer;
}
-/* Finds client entry by Client ID and if it is not found then resolves
- it using WHOIS command. */
+/* Timeout callback for unsuccessful rekey. The rekey did not go through
+ for some reason. */
-SilcClientEntry silc_server_get_client_resolve(SilcServer server,
- SilcClientID *client_id,
- bool always_resolve,
- bool *resolved)
+SILC_TASK_CALLBACK(silc_server_rekey_timeout)
{
- SilcClientEntry client;
-
- if (resolved)
- *resolved = FALSE;
-
- client = silc_idlist_find_client_by_id(server->local_list, client_id,
- TRUE, NULL);
- if (!client) {
- client = silc_idlist_find_client_by_id(server->global_list,
- client_id, TRUE, NULL);
- if (!client && server->server_type == SILC_ROUTER)
- return NULL;
- }
-
- if (!client && server->standalone)
- return NULL;
-
- if (!client || !client->nickname || !client->username ||
- always_resolve) {
- SilcBuffer buffer, idp;
-
- if (client) {
- client->data.status |= SILC_IDLIST_STATUS_RESOLVING;
- client->data.status &= ~SILC_IDLIST_STATUS_RESOLVED;
- client->resolve_cmd_ident = ++server->cmd_ident;
- }
+ SilcServerRekeyInternalContext *ctx = context;
+ SilcServer server = app_context;
+ SilcSocketConnection sock = ctx->sock;
- idp = silc_id_payload_encode(client_id, SILC_ID_CLIENT);
- buffer = silc_command_payload_encode_va(SILC_COMMAND_WHOIS,
- server->cmd_ident, 1,
- 4, idp->data, idp->len);
- silc_server_packet_send(server, client ? client->router->connection :
- SILC_PRIMARY_ROUTE(server),
- SILC_PACKET_COMMAND, 0,
- buffer->data, buffer->len, FALSE);
- silc_buffer_free(idp);
- silc_buffer_free(buffer);
+ SILC_LOG_DEBUG(("Timeout occurred in rekey protocol with %s:%d [%s]",
+ sock->hostname, sock->port,
+ (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+ sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+ sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+ "Router")));
- if (resolved)
- *resolved = TRUE;
+ SILC_LOG_WARNING(("Timeout occurred in rekey protocol with %s:%d [%s]",
+ sock->hostname, sock->port,
+ (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+ sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+ sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+ "Router")));
- return NULL;
+ if (sock->protocol) {
+ silc_protocol_cancel(sock->protocol, server->schedule);
+ silc_protocol_free(sock->protocol);
+ sock->protocol = NULL;
}
-
- return client;
+ if (ctx->packet)
+ silc_packet_context_free(ctx->packet);
+ if (ctx->ske)
+ silc_ske_free(ctx->ske);
+ silc_socket_free(sock);
+ silc_free(ctx);
}
/* A timeout callback for the re-key. We will be the initiator of the
re-key protocol. */
-SILC_TASK_CALLBACK(silc_server_rekey_callback)
+SILC_TASK_CALLBACK_GLOBAL(silc_server_rekey_callback)
{
+ SilcServer server = app_context;
SilcSocketConnection sock = (SilcSocketConnection)context;
SilcIDListData idata = (SilcIDListData)sock->user_data;
- SilcServer server = (SilcServer)idata->rekey->context;
SilcProtocol protocol;
SilcServerRekeyInternalContext *proto_ctx;
+ if (!idata)
+ return;
+
+ /* Do not execute rekey with disabled connections, as it would not
+ go through anyway. */
+ if (idata->status & SILC_IDLIST_STATUS_DISABLED)
+ return;
+
+ /* If rekey protocol is active already wait for it to finish */
+ if (sock->protocol && sock->protocol->protocol &&
+ sock->protocol->protocol->type == SILC_PROTOCOL_SERVER_REKEY)
+ return;
+
+ /* If any other protocol is active do not start this protocol yet. */
+ if (sock->protocol) {
+ SILC_LOG_DEBUG(("Waiting for other protocol to finish before rekeying"));
+ silc_schedule_task_add(server->schedule, sock->sock,
+ silc_server_rekey_callback,
+ sock, 60, 0, SILC_TASK_TIMEOUT,
+ SILC_TASK_PRI_NORMAL);
+ return;
+ }
+
+ SILC_LOG_DEBUG(("Executing rekey protocol with %s:%d [%s]",
+ sock->hostname, sock->port,
+ (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+ sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+ sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+ "Router")));
+
/* Allocate internal protocol context. This is sent as context
to the protocol. */
proto_ctx = silc_calloc(1, sizeof(*proto_ctx));
proto_ctx->server = (void *)server;
- proto_ctx->sock = sock;
+ proto_ctx->sock = silc_socket_dup(sock);
proto_ctx->responder = FALSE;
proto_ctx->pfs = idata->rekey->pfs;
&protocol, proto_ctx, silc_server_rekey_final);
sock->protocol = protocol;
+ /* Register timeout callback in case the rekey does not go through. */
+ proto_ctx->timeout_task =
+ silc_schedule_task_add(server->schedule, sock->sock,
+ silc_server_rekey_timeout,
+ proto_ctx,
+ server->config->key_exchange_timeout, 0,
+ SILC_TASK_TIMEOUT,
+ SILC_TASK_PRI_LOW);
+
/* Run the protocol */
silc_protocol_execute(protocol, server->schedule, 0, 0);
-
- SILC_LOG_DEBUG(("Rekey protocol completed"));
-
- /* Re-register re-key timeout */
- silc_schedule_task_add(server->schedule, sock->sock,
- silc_server_rekey_callback,
- context, idata->rekey->timeout, 0,
- SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
}
/* The final callback for the REKEY protocol. This will actually take the
(SilcServerRekeyInternalContext *)protocol->context;
SilcServer server = (SilcServer)ctx->server;
SilcSocketConnection sock = ctx->sock;
+ SilcIDListData idata = (SilcIDListData)sock->user_data;
- SILC_LOG_DEBUG(("Start"));
+ if (ctx->timeout_task)
+ silc_schedule_task_del(server->schedule, ctx->timeout_task);
if (protocol->state == SILC_PROTOCOL_STATE_ERROR ||
protocol->state == SILC_PROTOCOL_STATE_FAILURE) {
/* Error occured during protocol */
- SILC_LOG_ERROR(("Error occurred during rekey protocol"));
+ SILC_LOG_ERROR(("Error occurred during rekey protocol with "
+ "%s (%s)", sock->hostname, sock->ip));
silc_protocol_cancel(protocol, server->schedule);
silc_protocol_free(protocol);
sock->protocol = NULL;
silc_packet_context_free(ctx->packet);
if (ctx->ske)
silc_ske_free(ctx->ske);
+ silc_socket_free(sock);
silc_free(ctx);
+ silc_server_disconnect_remote(server, sock,
+ SILC_STATUS_ERR_KEY_EXCHANGE_FAILED, NULL);
+
+ /* Reconnect */
+ if (sock->type != SILC_SOCKET_TYPE_CLIENT)
+ silc_server_create_connections(server);
return;
}
+ SILC_LOG_DEBUG(("Rekey protocol completed with %s:%d [%s]",
+ sock->hostname, sock->port,
+ (sock->type == SILC_SOCKET_TYPE_UNKNOWN ? "Unknown" :
+ sock->type == SILC_SOCKET_TYPE_CLIENT ? "Client" :
+ sock->type == SILC_SOCKET_TYPE_SERVER ? "Server" :
+ "Router")));
+
/* Purge the outgoing data queue to assure that all rekey packets really
go to the network before we quit the protocol. */
silc_server_packet_queue_purge(server, sock);
+ /* Re-register re-key timeout */
+ if (ctx->responder == FALSE)
+ silc_schedule_task_add(server->schedule, sock->sock,
+ silc_server_rekey_callback,
+ sock, idata->rekey->timeout, 0,
+ SILC_TASK_TIMEOUT, SILC_TASK_PRI_NORMAL);
+
/* Cleanup */
silc_protocol_free(protocol);
sock->protocol = NULL;
silc_packet_context_free(ctx->packet);
if (ctx->ske)
silc_ske_free(ctx->ske);
+ silc_socket_free(sock);
silc_free(ctx);
}
SilcServer server = (SilcServer)context;
SilcBuffer idp, packet;
- SILC_LOG_DEBUG(("Retrieving stats from router"));
-
if (!server->standalone) {
+ SILC_LOG_DEBUG(("Retrieving stats from router"));
idp = silc_id_payload_encode(server->router->id, SILC_ID_SERVER);
- packet = silc_command_payload_encode_va(SILC_COMMAND_STATS,
+ packet = silc_command_payload_encode_va(SILC_COMMAND_STATS,
++server->cmd_ident, 1,
1, idp->data, idp->len);
silc_server_packet_send(server, SILC_PRIMARY_ROUTE(server),
projects / silc.git / blobdiff