#include "serverincludes.h"
#include "server_internal.h"
+#include <assert.h>
/************************* Types and definitions ****************************/
if (server->router_conn && server->router_conn->sock == stream &&
!server->router && server->standalone) {
+ if (idata->sconn && idata->sconn->callback)
+ (*idata->sconn->callback)(server, NULL, idata->sconn->callback_context);
silc_server_create_connections(server);
silc_server_free_sock_user_data(server, stream, NULL);
} else {
server->backup_closed = TRUE;
}
+ if (idata->sconn && idata->sconn->callback)
+ (*idata->sconn->callback)(server, NULL, idata->sconn->callback_context);
silc_server_free_sock_user_data(server, stream, NULL);
}
server->backup_closed = TRUE;
}
+ if (idata->sconn && idata->sconn->callback)
+ (*idata->sconn->callback)(server, NULL, idata->sconn->callback_context);
silc_server_free_sock_user_data(server, stream, NULL);
}
silc_free(server->local_list);
silc_free(server->global_list);
silc_free(server->server_name);
+ silc_free(server->id);
silc_free(server);
silc_hmac_unregister_all();
SilcNetListener listener;
SilcUInt16 *port;
char **ip;
+ char *external_ip;
SILC_LOG_DEBUG(("Initializing server"));
/* Create a Server ID for the server. */
port = silc_net_listener_get_port(listener, NULL);
ip = silc_net_listener_get_ip(listener, NULL);
- silc_id_create_server_id(server->config->server_info->primary->public_ip ?
- server->config->server_info->primary->public_ip :
+ external_ip = server->config->server_info->external_ip ?
+ server->config->server_info->external_ip :
+ server->config->server_info->primary->public_ip;
+ silc_id_create_server_id(external_ip ?
+ external_ip :
ip[0], port[0], server->rng, &id);
if (!id)
goto err;
silc_dlist_start(server->expired_clients);
while ((client = silc_dlist_get(server->expired_clients))) {
- if (client->data.status & SILC_IDLIST_STATUS_REGISTERED)
- continue;
-
/* For unregistered clients the created timestamp is actually
unregistered timestamp. Make sure client remains in history
at least 500 seconds. */
- if (curtime - client->data.created < 500)
+ if (client->data.created && curtime - client->data.created < 500)
continue;
id_list = (client->data.status & SILC_IDLIST_STATUS_LOCAL ?
sconn->no_conf = dynamic;
sconn->server = server;
- SILC_LOG_DEBUG(("Created connection %p", sconn));
+ SILC_LOG_DEBUG(("Created connection %p to %s:%d", sconn,
+ remote_host, port));
silc_schedule_task_add_timeout(server->schedule, silc_server_connect_router,
sconn, 0, 0);
if (success == FALSE) {
/* Authentication failed */
- /* XXX retry connecting */
+
+ /* Try reconnecting if configuration wants it */
+ if (!sconn->no_reconnect) {
+ silc_schedule_task_add_timeout(server->schedule,
+ silc_server_connect_to_router_retry,
+ sconn, 1, 0);
+ silc_dlist_del(server->conns, sconn);
+ return;
+ }
if (sconn->callback)
(*sconn->callback)(server, NULL, sconn->callback_context);
SILC_ID_SERVER),
NULL, sconn->sock);
if (!id_entry) {
+ /* Try reconnecting if configuration wants it */
+ if (!sconn->no_reconnect) {
+ silc_schedule_task_add_timeout(server->schedule,
+ silc_server_connect_to_router_retry,
+ sconn, 1, 0);
+ silc_dlist_del(server->conns, sconn);
+ return;
+ }
+
if (sconn->callback)
(*sconn->callback)(server, NULL, sconn->callback_context);
silc_server_free_sock_user_data(server, sconn->sock, NULL);
idata->status |= (SILC_IDLIST_STATUS_REGISTERED |
SILC_IDLIST_STATUS_LOCAL);
idata->sconn = sconn;
+ idata->sconn->callback = NULL;
/* Statistics */
server->stat.my_routers++;
silc_server_backup_add(server, server->id_entry, ip,
sconn->remote_port, TRUE);
}
+ }
#if 0
- } else {
+ else {
/* We already have primary router. Disconnect this connection */
SILC_LOG_DEBUG(("We already have primary router, disconnect"));
silc_idlist_del_server(server->global_list, id_entry);
silc_server_disconnect_remote(server, sconn->sock,
SILC_STATUS_ERR_RESOURCE_LIMIT, NULL);
return;
-#endif /* 0 */
}
+#endif /* 0 */
} else {
/* Add this server to be our backup router */
id_entry->server_type = SILC_BACKUP_ROUTER;
{
SilcPacketStream sock = context;
SilcUnknownEntry entry = silc_packet_get_context(sock);
- SilcServerConnection sconn = entry->data.sconn;
- SilcServer server = entry->server;
- SilcServerConfigRouter *conn = sconn->conn.ref_ptr;
+ SilcServerConnection sconn;
+ SilcServer server;
+ SilcServerConfigRouter *conn;
SilcAuthMethod auth_meth = SILC_AUTH_NONE;
void *auth_data = NULL;
SilcUInt32 auth_data_len = 0;
SilcConnAuth connauth;
SilcCipher send_key, receive_key;
SilcHmac hmac_send, hmac_receive;
- SilcHash hash;
-
- SILC_LOG_DEBUG(("Connection %p, SKE completed, entry %p", sconn, entry));
+ server = entry->server;
+ sconn = entry->data.sconn;
+ conn = sconn->conn.ref_ptr;
entry->op = NULL;
+ SILC_LOG_DEBUG(("Connection %p, SKE completed, entry %p", sconn, entry));
+
if (status != SILC_SKE_STATUS_OK) {
/* SKE failed */
SILC_LOG_ERROR(("Error (%s) during Key Exchange protocol with %s (%s)",
silc_ske_map_status(status), entry->hostname, entry->ip));
-
- /* XXX retry connecting */
silc_ske_free(ske);
+
+ /* Try reconnecting if configuration wants it */
+ if (!sconn->no_reconnect) {
+ silc_schedule_task_add_timeout(server->schedule,
+ silc_server_connect_to_router_retry,
+ sconn, 1, 0);
+ silc_dlist_del(server->conns, sconn);
+ return;
+ }
+
if (sconn->callback)
(*sconn->callback)(server, NULL, sconn->callback_context);
silc_server_free_sock_user_data(server, sconn->sock, NULL);
/* Set the keys into use. The data will be encrypted after this. */
if (!silc_ske_set_keys(ske, keymat, prop, &send_key, &receive_key,
- &hmac_send, &hmac_receive, &hash)) {
+ &hmac_send, &hmac_receive, NULL)) {
+ silc_ske_free(ske);
- /* XXX retry connecting */
+ /* Try reconnecting if configuration wants it */
+ if (!sconn->no_reconnect) {
+ silc_schedule_task_add_timeout(server->schedule,
+ silc_server_connect_to_router_retry,
+ sconn, 1, 0);
+ silc_dlist_del(server->conns, sconn);
+ return;
+ }
/* Error setting keys */
- silc_ske_free(ske);
if (sconn->callback)
(*sconn->callback)(server, NULL, sconn->callback_context);
silc_server_free_sock_user_data(server, sconn->sock, NULL);
connauth = silc_connauth_alloc(server->schedule, ske,
server->config->conn_auth_timeout);
if (!connauth) {
- /* XXX retry connecting */
+ silc_ske_free(ske);
+
+ /* Try reconnecting if configuration wants it */
+ if (!sconn->no_reconnect) {
+ silc_schedule_task_add_timeout(server->schedule,
+ silc_server_connect_to_router_retry,
+ sconn, 1, 0);
+ silc_dlist_del(server->conns, sconn);
+ return;
+ }
/** Error allocating auth protocol */
- silc_ske_free(ske);
if (sconn->callback)
(*sconn->callback)(server, NULL, sconn->callback_context);
silc_server_free_sock_user_data(server, sconn->sock, NULL);
if (!sconn->sock) {
SILC_LOG_ERROR(("Cannot connect: cannot create packet stream"));
silc_stream_destroy(sconn->stream);
+
+ /* Try reconnecting if configuration wants it */
+ if (!sconn->no_reconnect) {
+ silc_schedule_task_add_timeout(server->schedule,
+ silc_server_connect_to_router_retry,
+ sconn, 1, 0);
+ silc_dlist_del(server->conns, sconn);
+ return;
+ }
+
if (sconn->callback)
(*sconn->callback)(server, NULL, sconn->callback_context);
silc_server_connection_free(sconn);
/* Set source ID to packet stream */
if (!silc_packet_set_ids(sconn->sock, SILC_ID_SERVER, server->id,
0, NULL)) {
+ silc_packet_stream_destroy(sconn->sock);
+
+ /* Try reconnecting if configuration wants it */
+ if (!sconn->no_reconnect) {
+ silc_schedule_task_add_timeout(server->schedule,
+ silc_server_connect_to_router_retry,
+ sconn, 1, 0);
+ silc_dlist_del(server->conns, sconn);
+ return;
+ }
+
if (sconn->callback)
(*sconn->callback)(server, NULL, sconn->callback_context);
- silc_packet_stream_destroy(sconn->sock);
silc_server_connection_free(sconn);
return;
}
entry = silc_calloc(1, sizeof(*entry));
if (!entry) {
silc_packet_stream_destroy(sconn->sock);
+
+ /* Try reconnecting if configuration wants it */
+ if (!sconn->no_reconnect) {
+ silc_schedule_task_add_timeout(server->schedule,
+ silc_server_connect_to_router_retry,
+ sconn, 1, 0);
+ silc_dlist_del(server->conns, sconn);
+ return;
+ }
+
+ if (sconn->callback)
+ (*sconn->callback)(server, NULL, sconn->callback_context);
silc_server_connection_free(sconn);
return;
}
server->public_key, server->private_key, sconn);
if (!ske) {
silc_free(entry);
+ silc_packet_stream_destroy(sconn->sock);
+
+ /* Try reconnecting if configuration wants it */
+ if (!sconn->no_reconnect) {
+ silc_schedule_task_add_timeout(server->schedule,
+ silc_server_connect_to_router_retry,
+ sconn, 1, 0);
+ silc_dlist_del(server->conns, sconn);
+ return;
+ }
+
if (sconn->callback)
(*sconn->callback)(server, NULL, sconn->callback_context);
- silc_packet_stream_destroy(sconn->sock);
silc_server_connection_free(sconn);
return;
}
/* If we've reached max retry count, give up. */
if ((sconn->retry_count > param->reconnect_count) &&
- !param->reconnect_keep_trying) {
+ sconn->no_reconnect) {
SILC_LOG_ERROR(("Could not connect, giving up"));
if (sconn->callback)
SILC_LOG_ERROR(("Could not connect to %s:%d: %s",
sconn->remote_host, sconn->remote_port,
silc_net_get_error_string(status)));
-
- if (sconn->callback)
- (*sconn->callback)(server, NULL, sconn->callback_context);
- silc_server_connection_free(sconn);
+ if (!sconn->no_reconnect) {
+ silc_schedule_task_add_timeout(sconn->server->schedule,
+ silc_server_connect_to_router_retry,
+ sconn, 1, 0);
+ silc_dlist_del(server->conns, sconn);
+ } else {
+ if (sconn->callback)
+ (*sconn->callback)(server, NULL, sconn->callback_context);
+ silc_server_connection_free(sconn);
+ }
break;
default:
SILC_LOG_INFO(("Unconfigured %s connection %s:%d, cannot connect",
(sconn->backup ? "backup router" : "router"),
sconn->remote_host, sconn->remote_port));
+ if (sconn->callback)
+ (*sconn->callback)(server, NULL, sconn->callback_context);
silc_server_connection_free(sconn);
return;
}
if (!sconn->op) {
SILC_LOG_ERROR(("Could not connect to router %s:%d",
sconn->remote_host, sconn->remote_port));
+ if (sconn->callback)
+ (*sconn->callback)(server, NULL, sconn->callback_context);
silc_server_connection_free(sconn);
return;
}
SilcServer server = context;
SilcServerConnection sconn;
SilcServerConfigRouter *ptr;
+ SilcServerConfigConnParams *param;
/* Don't connect if we are shutting down. */
if (server->server_shutdown)
}
}
+ param = (ptr->param ? ptr->param : &server->config->param);
+
/* Allocate connection object for hold connection specific stuff. */
sconn = silc_calloc(1, sizeof(*sconn));
if (!sconn)
sconn->backup_replace_ip = strdup(ptr->backup_replace_ip);
sconn->backup_replace_port = ptr->backup_replace_port;
}
+ sconn->no_reconnect = param->reconnect_keep_trying == FALSE;
SILC_LOG_DEBUG(("Created connection %p", sconn));
sconn->remote_port = port;
silc_dlist_add(server->conns, sconn);
idata->sconn = sconn;
+ idata->sconn->callback = NULL;
idata->last_receive = time(NULL);
/* Add the common data structure to the ID entry. */
idata->rekey = rekey;
idata->public_key = silc_pkcs_public_key_copy(prop->public_key);
pk = silc_pkcs_public_key_encode(idata->public_key, &pk_len);
- silc_hash_make(server->sha1hash, pk, pk_len, idata->fingerprint);
-
- silc_hash_alloc(silc_hash_get_name(prop->hash), &idata->hash);
+ if (pk) {
+ silc_hash_make(server->sha1hash, pk, pk_len, idata->fingerprint);
+ silc_free(pk);
+ }
+ idata->hash = hash;
SILC_LOG_DEBUG(("Starting connection authentication"));
server->stat.auth_attempts++;
entry->port = port;
entry->server = server;
entry->data.conn_type = SILC_CONN_UNKNOWN;
+ entry->data.status |= SILC_IDLIST_STATUS_LOCAL;
silc_packet_set_context(packet_stream, entry);
SILC_LOG_DEBUG(("Created unknown connection %p", entry));
SILC_LOG_DEBUG(("Perform rekey, sock %p", sock));
/* Do not execute rekey with disabled connections */
- if (idata->status & SILC_IDLIST_STATUS_DISABLED)
+ if (idata->status & SILC_IDLIST_STATUS_DISABLED || !idata->rekey)
return;
/* If another protocol is active do not start rekey */
SilcIDListData idata = silc_packet_get_context(sock);
SilcSKE ske;
+ if (!idata->rekey) {
+ silc_packet_free(packet);
+ return;
+ }
+
SILC_LOG_DEBUG(("Executing rekey protocol with %s:%d [%s], sock %p",
idata->sconn->remote_host, idata->sconn->remote_port,
SILC_CONNTYPE_STRING(idata->conn_type), sock));
/* Update statistics */
server->stat.my_clients--;
+ assert(server->stat.clients > 0);
server->stat.clients--;
if (server->stat.cell_clients)
server->stat.cell_clients--;
client->router = NULL;
client->connection = NULL;
client->data.created = silc_time();
+ silc_dlist_del(server->expired_clients, client);
silc_dlist_add(server->expired_clients, client);
} else {
/* Delete directly since we're shutting down server */
/* We'll need to constantly try to reconnect to the primary
router so that we'll see when it comes back online. */
- silc_server_create_connection(server, FALSE, FALSE, ip, port,
+ silc_server_create_connection(server, TRUE, FALSE, ip, port,
silc_server_backup_connected,
NULL);
}
projects / silc.git / blobdiff