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/*
* Example application using RADIUS client as a library
* Copyright (c) 2007, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#include "includes.h"
#include "common.h"
#include "eloop.h"
#include "radius/radius.h"
#include "radius/radius_client.h"
extern int wpa_debug_level;
struct radius_ctx {
struct radius_client_data *radius;
struct hostapd_radius_servers conf;
u8 radius_identifier;
struct in_addr own_ip_addr;
};
static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
int level, const char *txt, size_t len)
{
printf("%s\n", txt);
}
/* Process the RADIUS frames from Authentication Server */
static RadiusRxResult receive_auth(struct radius_msg *msg,
struct radius_msg *req,
u8 *shared_secret, size_t shared_secret_len,
void *data)
{
/* struct radius_ctx *ctx = data; */
printf("Received RADIUS Authentication message; code=%d\n",
msg->hdr->code);
/* We're done for this example, so request eloop to terminate. */
eloop_terminate();
return RADIUS_RX_PROCESSED;
}
static void start_example(void *eloop_ctx, void *timeout_ctx)
{
struct radius_ctx *ctx = eloop_ctx;
struct radius_msg *msg;
printf("Sending a RADIUS authentication message\n");
ctx->radius_identifier = radius_client_get_id(ctx->radius);
msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
ctx->radius_identifier);
if (msg == NULL) {
printf("Could not create net RADIUS packet\n");
return;
}
radius_msg_make_authenticator(msg, (u8 *) ctx, sizeof(*ctx));
if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
(u8 *) "user", 4)) {
printf("Could not add User-Name\n");
radius_msg_free(msg);
return;
}
if (!radius_msg_add_attr_user_password(
msg, (u8 *) "password", 8,
ctx->conf.auth_server->shared_secret,
ctx->conf.auth_server->shared_secret_len)) {
printf("Could not add User-Password\n");
radius_msg_free(msg);
return;
}
if (!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
(u8 *) &ctx->own_ip_addr, 4)) {
printf("Could not add NAS-IP-Address\n");
radius_msg_free(msg);
return;
}
radius_client_send(ctx->radius, msg, RADIUS_AUTH, NULL);
}
int main(int argc, char *argv[])
{
struct radius_ctx ctx;
struct hostapd_radius_server *srv;
if (os_program_init())
return -1;
hostapd_logger_register_cb(hostapd_logger_cb);
os_memset(&ctx, 0, sizeof(ctx));
inet_aton("127.0.0.1", &ctx.own_ip_addr);
if (eloop_init()) {
printf("Failed to initialize event loop\n");
return -1;
}
srv = os_zalloc(sizeof(*srv));
if (srv == NULL)
return -1;
srv->addr.af = AF_INET;
srv->port = 1812;
if (hostapd_parse_ip_addr("127.0.0.1", &srv->addr) < 0) {
printf("Failed to parse IP address\n");
return -1;
}
srv->shared_secret = (u8 *) os_strdup("radius");
srv->shared_secret_len = 6;
ctx.conf.auth_server = ctx.conf.auth_servers = srv;
ctx.conf.num_auth_servers = 1;
ctx.conf.msg_dumps = 1;
ctx.radius = radius_client_init(&ctx, &ctx.conf);
if (ctx.radius == NULL) {
printf("Failed to initialize RADIUS client\n");
return -1;
}
if (radius_client_register(ctx.radius, RADIUS_AUTH, receive_auth,
&ctx) < 0) {
printf("Failed to register RADIUS authentication handler\n");
return -1;
}
eloop_register_timeout(0, 0, start_example, &ctx, NULL);
eloop_run();
radius_client_deinit(ctx.radius);
os_free(srv->shared_secret);
eloop_destroy();
os_program_deinit();
return 0;
}
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