2 * Example application using RADIUS client as a library
3 * Copyright (c) 2007, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
13 #include "radius/radius.h"
14 #include "radius/radius_client.h"
16 extern int wpa_debug_level;
19 struct radius_client_data *radius;
20 struct hostapd_radius_servers conf;
22 struct in_addr own_ip_addr;
26 static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
27 int level, const char *txt, size_t len)
33 /* Process the RADIUS frames from Authentication Server */
34 static RadiusRxResult receive_auth(struct radius_msg *msg,
35 struct radius_msg *req,
36 const u8 *shared_secret,
37 size_t shared_secret_len,
40 /* struct radius_ctx *ctx = data; */
41 printf("Received RADIUS Authentication message; code=%d\n",
42 radius_msg_get_hdr(msg)->code);
44 /* We're done for this example, so request eloop to terminate. */
47 return RADIUS_RX_PROCESSED;
51 static void start_example(void *eloop_ctx, void *timeout_ctx)
53 struct radius_ctx *ctx = eloop_ctx;
54 struct radius_msg *msg;
56 printf("Sending a RADIUS authentication message\n");
58 ctx->radius_identifier = radius_client_get_id(ctx->radius);
59 msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
60 ctx->radius_identifier);
62 printf("Could not create net RADIUS packet\n");
66 radius_msg_make_authenticator(msg, (u8 *) ctx, sizeof(*ctx));
68 if (!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
70 printf("Could not add User-Name\n");
75 if (!radius_msg_add_attr_user_password(
76 msg, (u8 *) "password", 8,
77 ctx->conf.auth_server->shared_secret,
78 ctx->conf.auth_server->shared_secret_len)) {
79 printf("Could not add User-Password\n");
84 if (!radius_msg_add_attr(msg, RADIUS_ATTR_NAS_IP_ADDRESS,
85 (u8 *) &ctx->own_ip_addr, 4)) {
86 printf("Could not add NAS-IP-Address\n");
91 radius_client_send(ctx->radius, msg, RADIUS_AUTH, NULL);
95 int main(int argc, char *argv[])
97 struct radius_ctx ctx;
98 struct hostapd_radius_server *srv;
100 if (os_program_init())
103 hostapd_logger_register_cb(hostapd_logger_cb);
105 os_memset(&ctx, 0, sizeof(ctx));
106 inet_aton("127.0.0.1", &ctx.own_ip_addr);
109 printf("Failed to initialize event loop\n");
113 srv = os_zalloc(sizeof(*srv));
117 srv->addr.af = AF_INET;
119 if (hostapd_parse_ip_addr("127.0.0.1", &srv->addr) < 0) {
120 printf("Failed to parse IP address\n");
123 srv->shared_secret = (u8 *) os_strdup("radius");
124 srv->shared_secret_len = 6;
126 ctx.conf.auth_server = ctx.conf.auth_servers = srv;
127 ctx.conf.num_auth_servers = 1;
128 ctx.conf.msg_dumps = 1;
130 ctx.radius = radius_client_init(&ctx, &ctx.conf);
131 if (ctx.radius == NULL) {
132 printf("Failed to initialize RADIUS client\n");
136 if (radius_client_register(ctx.radius, RADIUS_AUTH, receive_auth,
138 printf("Failed to register RADIUS authentication handler\n");
142 eloop_register_timeout(0, 0, start_example, &ctx, NULL);
146 radius_client_deinit(ctx.radius);
147 os_free(srv->shared_secret);