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/* RADIUS/RadSec server using libradsec. */
/* Copyright 2013 NORDUnet A/S. All rights reserved.
See LICENSE for licensing information. */
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <radsec/radsec.h>
#include <event2/event.h>
#include "debug.h" /* For rs_dump_message(). */
#define CONFIG_FILE "examples/server.conf"
#define CONFIG "tls"
#define SECRET "sikrit"
#define USER_NAME "molgan@PROJECT-MOONSHOT.ORG"
#define USER_PW "password"
static struct rs_peer *
client_filter_cb (const struct rs_listener *listener,
void *user_data)
{
printf ("DEBUG: listener %p (user_data=%p) asking for a client filter list\n",
listener, user_data);
return NULL;
}
static void
disco_cb (void *user_data)
{
struct rs_connection *conn = user_data;
assert (conn);
printf ("DEBUG: conn %p disconnected\n", conn);
}
static void
read_cb (struct rs_message *message, void *user_data)
{
struct rs_connection *conn = user_data;
assert (conn);
printf ("DEBUG: msg received on connection %p\n", conn);
rs_dump_message (message);
//if (message_verify_response (conn, fixme)) error;
}
static void
new_conn_cb (struct rs_connection *conn, void *user_data)
{
const struct rs_listener *l = user_data;
struct rs_conn_callbacks cb = {NULL, /* connected */
disco_cb,
read_cb,
NULL}; /* msg sent */
printf ("DEBUG: new connection on listener %p: %p, fd=%d\n",
l, conn, rs_conn_get_fd (conn));
rs_conn_set_callbacks (conn, &cb, conn);
}
void
err_cb (struct rs_connection *conn, void *user_data)
{
struct rs_listener *listener = user_data;
struct rs_error *err = NULL;
assert (conn);
err = rs_err_conn_pop (conn);
printf ("DEBUG: error on conn %p, listener %p: %d (%s)\n", conn, listener,
rs_err_code (err, 0), rs_err_msg (err));
}
#if 0
void
stdin_cb (evutil_socket_t s, short flags, void *user_data)
{
struct rs_listener *l = user_data;
printf ("DEBUG: got data on stdin, quitting\n");
assert (event_base_loopbreak (rs_listener_get_eventbase (l)) == 0);
}
#endif
struct rs_error *
server (struct rs_context *ctx)
{
int r = 0;
struct rs_error *err = NULL;
struct rs_listener *listener = NULL;
const struct rs_listener_callbacks cbs =
{client_filter_cb, new_conn_cb, err_cb};
struct event *read_event = NULL;
if (rs_listener_create (ctx, &listener, CONFIG))
goto out;
rs_listener_set_callbacks (listener, &cbs, listener);
if (rs_listener_listen (listener))
goto out;
#if 0
/* Listen on stdin too, for quitting the server nicely without
having to trap SIGKILL. */
read_event = event_new (rs_listener_get_eventbase (listener),
fileno (stdin),
EV_READ,
stdin_cb,
listener);
assert (read_event != NULL);
assert (event_add (read_event, NULL) == 0);
#endif
do
r = rs_listener_dispatch (listener);
while (r == 0);
printf ("DEBUG: rs_listener_dispatch done (r=%d)\n", r);
if (r < 0)
printf ("DEBUG: libevent signals error: %s\n", evutil_gai_strerror (r));
if (r == 1)
printf ("DEBUG: no events registered, exiting\n");
out:
err = rs_err_ctx_pop (ctx);
if (err == NULL)
err = rs_err_listener_pop (listener);
if (read_event)
event_free (read_event);
read_event = NULL;
if (listener)
{
assert (rs_listener_close (listener) == RSE_OK);
//rs_listener_destroy (listener);
}
listener = NULL;
return err;
}
int
main (int argc, char *argv[])
{
struct rs_error *err = NULL;
struct rs_context *ctx = NULL;
if (rs_context_create (&ctx))
goto out;
if (rs_context_read_config (ctx, CONFIG_FILE))
goto out;
{ /* DEBUG printouts */
char *buf = NULL;
int err = rs_context_print_config (ctx, &buf);
assert (err == RSE_OK);
fputs (buf, stdout);
free (buf);
}
err = server (ctx);
out:
if (err)
{
fprintf (stderr, "%s: error: %s: %d\n",
argv[0], rs_err_msg (err), rs_err_code (err, 0));
return rs_err_code (err, 1);
}
if (ctx)
rs_context_destroy (ctx);
return 0;
}
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