-/* Copyright 2010, 2011 NORDUnet A/S. All rights reserved.
- See the file COPYING for licensing information. */
+/* Copyright 2010-2013 NORDUnet A/S. All rights reserved.
+ See LICENSE for licensing information. */
#if defined HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
#include <assert.h>
#include <event2/event.h>
#include <event2/bufferevent.h>
#include "tcp.h"
int
-conn_close (struct rs_connection **connp)
-{
- int r;
- assert (connp);
- assert (*connp);
- r = rs_conn_destroy (*connp);
- if (!r)
- *connp = NULL;
- return r;
-}
-
-int
conn_user_dispatch_p (const struct rs_connection *conn)
{
assert (conn);
conn->callbacks.sent_cb);
}
+
int
-rs_conn_create (struct rs_context *ctx, struct rs_connection **conn,
+conn_activate_timeout (struct rs_connection *conn)
+{
+ assert (conn);
+ assert (conn->tev);
+ assert (conn->evb);
+ if (conn->timeout.tv_sec || conn->timeout.tv_usec)
+ {
+ rs_debug (("%s: activating timer: %d.%d\n", __func__,
+ conn->timeout.tv_sec, conn->timeout.tv_usec));
+ if (evtimer_add (conn->tev, &conn->timeout))
+ return rs_err_conn_push_fl (conn, RSE_EVENT, __FILE__, __LINE__,
+ "evtimer_add: %d", errno);
+ }
+ return RSE_OK;
+}
+
+int
+conn_type_tls (const struct rs_connection *conn)
+{
+ return conn->realm->type == RS_CONN_TYPE_TLS
+ || conn->realm->type == RS_CONN_TYPE_DTLS;
+}
+
+int
+conn_cred_psk (const struct rs_connection *conn)
+{
+ return conn->realm->transport_cred &&
+ conn->realm->transport_cred->type == RS_CRED_TLS_PSK;
+}
+
+
+/* Public functions. */
+int
+rs_conn_create (struct rs_context *ctx,
+ struct rs_connection **conn,
const char *config)
{
struct rs_connection *c;
}
int
-rs_conn_add_listener (struct rs_connection *conn, rs_conn_type_t type,
- const char *hostname, int port)
+rs_conn_add_listener (struct rs_connection *conn,
+ rs_conn_type_t type,
+ const char *hostname,
+ int port)
{
return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__, NULL);
}
assert (conn);
+ if (conn->is_connected)
+ event_on_disconnect (conn);
+
+ if (conn->bev)
+ {
+ bufferevent_free (conn->bev);
+ conn->bev = NULL;
+ }
+ if (conn->rev)
+ {
+ event_free (conn->rev);
+ conn->rev = NULL;
+ }
+ if (conn->wev)
+ {
+ event_free (conn->wev);
+ conn->wev = NULL;
+ }
+
err = evutil_closesocket (conn->fd);
conn->fd = -1;
return err;
if (conn->is_connected)
err = rs_conn_disconnect (conn);
+
+#if defined (RS_ENABLE_TLS)
+ if (conn->tls_ssl) /* FIXME: Free SSL strucxt in rs_conn_disconnect? */
+ SSL_free (conn->tls_ssl);
+ if (conn->tls_ctx)
+ SSL_CTX_free (conn->tls_ctx);
+#endif
+
if (conn->tev)
event_free (conn->tev);
if (conn->bev)
bufferevent_free (conn->bev);
+ if (conn->rev)
+ event_free (conn->rev);
+ if (conn->wev)
+ event_free (conn->wev);
if (conn->evb)
event_base_free (conn->evb);
- /* TODO: free tls_ctx */
- /* TODO: free tls_ssl */
-
rs_free (conn->ctx, conn);
return err;
}
int
-rs_conn_get_current_peer (struct rs_connection *conn, const char *name,
+rs_conn_get_current_peer (struct rs_connection *conn,
+ const char *name,
size_t buflen)
{
return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__, NULL);
assert (pkt);
assert (pkt->conn);
- pkt->flags |= rs_packet_received_flag;
+ pkt->flags |= RS_PACKET_RECEIVED;
if (pkt->conn->bev)
bufferevent_disable (pkt->conn->bev, EV_WRITE|EV_READ);
else
event_del (pkt->conn->rev);
}
-/* Special function used in libradsec blocking dispatching mode,
- i.e. with socket set to block on read/write and with no libradsec
- callbacks registered.
-
- For any other use of libradsec, a the received_cb callback should
- be registered in the callbacks member of struct rs_connection.
-
- On successful reception of a RADIUS message it will be verified
- against REQ_MSG, if !NULL.
-
- If PKT_OUT is !NULL it will upon return point at a pointer to a
- struct rs_packet containing the message.
-
- If anything goes wrong or if the read times out (TODO: explain),
- PKT_OUT will not be changed and one or more errors are pushed on
- the connection (available through rs_err_conn_pop()). */
int
rs_conn_receive_packet (struct rs_connection *conn,
struct rs_packet *req_msg,
assert (conn);
assert (conn->realm);
- assert (!conn_user_dispatch_p (conn)); /* Dispatching mode only. */
+ assert (!conn_user_dispatch_p (conn)); /* Blocking mode only. */
if (rs_packet_create (conn, &pkt))
return -1;
conn->callbacks.received_cb = _rcb;
conn->user_data = pkt;
- pkt->flags &= ~rs_packet_received_flag;
+ pkt->flags &= ~RS_PACKET_RECEIVED;
if (conn->bev) /* TCP. */
{
"event_add: %s",
evutil_gai_strerror (err));
- /* Activae retransmission timer. */
+ /* Activate retransmission timer. */
conn_activate_timeout (pkt->conn);
}
evutil_gai_strerror (err));
rs_debug (("%s: event loop done\n", __func__));
- if ((pkt->flags & rs_packet_received_flag) == 0
+ if ((pkt->flags & RS_PACKET_RECEIVED) == 0
|| (req_msg
&& packet_verify_response (pkt->conn, pkt, req_msg) != RSE_OK))
{
- assert (rs_err_conn_peek_code (pkt->conn));
+ if (rs_err_conn_peek_code (pkt->conn) == RSE_OK)
+ /* No packet and no error on the stack _should_ mean that the
+ server hung up on us. */
+ rs_err_conn_push (pkt->conn, RSE_DISCO, "no response");
return rs_err_conn_peek_code (conn);
}
assert (tv);
conn->timeout = *tv;
}
-
-int
-conn_activate_timeout (struct rs_connection *conn)
-{
- assert (conn);
- assert (conn->tev);
- assert (conn->evb);
- if (conn->timeout.tv_sec || conn->timeout.tv_usec)
- {
- rs_debug (("%s: activating timer: %d.%d\n", __func__,
- conn->timeout.tv_sec, conn->timeout.tv_usec));
- if (evtimer_add (conn->tev, &conn->timeout))
- return rs_err_conn_push_fl (conn, RSE_EVENT, __FILE__, __LINE__,
- "evtimer_add: %d", errno);
- }
- return RSE_OK;
-}