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
);