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/* See the file COPYING for licensing information. */
#if defined HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <assert.h>
#include <debug.h>
#include <event2/event.h>
#include <radsec/radsec.h>
#include <radsec/radsec-impl.h>
int
rs_conn_create (struct rs_context *ctx, struct rs_connection **conn,
const char *config)
{
struct rs_connection *c;
c = (struct rs_connection *) malloc (sizeof(struct rs_connection));
if (!c)
return rs_err_ctx_push_fl (ctx, RSE_NOMEM, __FILE__, __LINE__, NULL);
memset (c, 0, sizeof(struct rs_connection));
c->ctx = ctx;
c->fd = -1;
if (config)
{
struct rs_realm *r = rs_conf_find_realm (ctx, config);
if (r)
{
struct rs_peer *p;
c->realm = r;
c->peers = r->peers; /* FIXME: Copy instead? */
for (p = c->peers; p; p = p->next)
p->conn = c;
c->tryagain = r->retries;
}
else
{
c->realm = rs_malloc (ctx, sizeof (struct rs_realm));
if (!c->realm)
return rs_err_ctx_push_fl (ctx, RSE_NOMEM, __FILE__, __LINE__,
NULL);
memset (c->realm, 0, sizeof (struct rs_realm));
}
}
if (conn)
*conn = c;
return RSE_OK;
}
void
rs_conn_set_type (struct rs_connection *conn, rs_conn_type_t type)
{
assert (conn);
assert (conn->realm);
conn->realm->type = type;
}
struct rs_error * /* FIXME: Return int as all the others? */
_rs_resolv (struct evutil_addrinfo **addr, rs_conn_type_t type,
const char *hostname, const char *service)
{
int err;
struct evutil_addrinfo hints, *res = NULL;
memset (&hints, 0, sizeof(struct evutil_addrinfo));
hints.ai_family = AF_INET; /* IPv4 only. TODO: Set AF_UNSPEC. */
hints.ai_flags = AI_ADDRCONFIG;
switch (type)
{
case RS_CONN_TYPE_NONE:
return _rs_err_create (RSE_INVALID_CONN, __FILE__, __LINE__, NULL, NULL);
case RS_CONN_TYPE_TCP:
/* Fall through. */
case RS_CONN_TYPE_TLS:
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
break;
case RS_CONN_TYPE_UDP:
/* Fall through. */
case RS_CONN_TYPE_DTLS:
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
break;
default:
return _rs_err_create (RSE_INVALID_CONN, __FILE__, __LINE__, NULL, NULL);
}
err = evutil_getaddrinfo (hostname, service, &hints, &res);
if (err)
return _rs_err_create (RSE_BADADDR, __FILE__, __LINE__,
"%s:%s: bad host name or service name (%s)",
hostname, service, evutil_gai_strerror(err));
*addr = res; /* Simply use first result. */
return NULL;
}
int
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__,
"%s: NYI", __func__);
}
int
rs_conn_disconnect (struct rs_connection *conn)
{
int err = 0;
assert (conn);
err = evutil_closesocket (conn->fd);
conn->fd = -1;
return err;
}
int
rs_conn_destroy (struct rs_connection *conn)
{
struct rs_peer *p;
int err = 0;
assert (conn);
if (conn->is_connected)
{
err = rs_conn_disconnect (conn);
if (err)
return err;
}
/* NOTE: conn->realm is owned by context. */
for (p = conn->peers; p; p = p->next)
{
if (p->addr)
evutil_freeaddrinfo (p->addr);
if (p->secret)
rs_free (conn->ctx, p->secret);
}
if (conn->tev)
event_free (conn->tev);
if (conn->evb)
event_base_free (conn->evb);
return 0;
}
int
rs_conn_set_eventbase (struct rs_connection *conn, struct event_base *eb)
{
return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
"%s: NYI", __func__);
}
void
rs_conn_set_callbacks (struct rs_connection *conn, struct rs_conn_callbacks *cb)
{
assert (conn);
conn->user_dispatch_flag = 1;
memcpy (&conn->callbacks, cb, sizeof (conn->callbacks));
}
void
rs_conn_del_callbacks (struct rs_connection *conn)
{
assert (conn);
conn->user_dispatch_flag = 0;
memset (&conn->callbacks, 0, sizeof (conn->callbacks));
}
struct rs_conn_callbacks *
rs_conn_get_callbacks(struct rs_connection *conn)
{
assert (conn);
return &conn->callbacks;
}
int
rs_conn_select_server (struct rs_connection *conn, const char *name)
{
return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
"%s: NYI", __func__);
}
int
rs_conn_get_current_server (struct rs_connection *conn, const char *name,
size_t buflen)
{
return rs_err_conn_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
"%s: NYI", __func__);
}
int rs_conn_fd (struct rs_connection *conn)
{
assert (conn);
assert (conn->active_peer);
return conn->fd;
}
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