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