2 * Example application using RADIUS client as a library
3 * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
19 #include "radius/radius.h"
20 #include "radius/radius_client.h"
22 extern int wpa_debug_level;
25 struct radius_client_data *radius;
26 struct hostapd_radius_servers conf;
28 struct in_addr own_ip_addr;
32 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
33 int level, const char *txt, size_t len)
39 /* Process the RADIUS frames from Authentication Server */
40 static RadiusRxResult receive_auth(struct radius_msg *msg,
41 struct radius_msg *req,
42 const u8 *shared_secret,
43 size_t shared_secret_len,
46 /* struct radius_ctx *ctx = data; */
47 printf("Received RADIUS Authentication message; code=%d\n",
48 radius_msg_get_hdr(msg)->code);
50 /* We're done for this example, so request eloop to terminate. */
53 return RADIUS_RX_PROCESSED;
57 static void start_example(void *eloop_ctx, void *timeout_ctx)
59 struct radius_ctx *ctx = eloop_ctx;
60 struct radius_msg *msg;
62 printf("Sending a RADIUS authentication message\n");
64 ctx->radius_identifier = radius_client_get_id(ctx->radius);
65 msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
66 ctx->radius_identifier);
68 printf("Could not create net RADIUS packet\n");
72 radius_msg_make_authenticator(msg, (u8 *) ctx, sizeof(*ctx));
74 if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
76 printf("Could not add User-Name\n");
81 if (!radius_msg_add_attr_user_password(
82 msg, (u8 *) "password", 8,
83 ctx->conf.auth_server->shared_secret,
84 ctx->conf.auth_server->shared_secret_len)) {
85 printf("Could not add User-Password\n");
90 if (!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
91 (u8 *) &ctx->own_ip_addr, 4)) {
92 printf("Could not add NAS-IP-Address\n");
97 radius_client_send(ctx->radius, msg, RADIUS_AUTH, NULL);
101 int main(int argc, char *argv[])
103 struct radius_ctx ctx;
104 struct hostapd_radius_server *srv;
106 if (os_program_init())
109 hostapd_logger_register_cb(hostapd_logger_cb);
111 os_memset(&ctx, 0, sizeof(ctx));
112 inet_aton("127.0.0.1", &ctx.own_ip_addr);
115 printf("Failed to initialize event loop\n");
119 srv = os_zalloc(sizeof(*srv));
123 srv->addr.af = AF_INET;
125 if (hostapd_parse_ip_addr("127.0.0.1", &srv->addr) < 0) {
126 printf("Failed to parse IP address\n");
129 srv->shared_secret = (u8 *) os_strdup("radius");
130 srv->shared_secret_len = 6;
132 ctx.conf.auth_server = ctx.conf.auth_servers = srv;
133 ctx.conf.num_auth_servers = 1;
134 ctx.conf.msg_dumps = 1;
136 ctx.radius = radius_client_init(&ctx, &ctx.conf);
137 if (ctx.radius == NULL) {
138 printf("Failed to initialize RADIUS client\n");
142 if (radius_client_register(ctx.radius, RADIUS_AUTH, receive_auth,
144 printf("Failed to register RADIUS authentication handler\n");
148 eloop_register_timeout(0, 0, start_example, &ctx, NULL);
152 radius_client_deinit(ctx.radius);
153 os_free(srv->shared_secret);