Line data Source code
1 : /*
2 : * Authentication server setup
3 : * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
4 : *
5 : * This software may be distributed under the terms of the BSD license.
6 : * See README for more details.
7 : */
8 :
9 : #include "utils/includes.h"
10 :
11 : #include "utils/common.h"
12 : #include "crypto/tls.h"
13 : #include "eap_server/eap.h"
14 : #include "eap_server/eap_sim_db.h"
15 : #include "eapol_auth/eapol_auth_sm.h"
16 : #include "radius/radius_server.h"
17 : #include "hostapd.h"
18 : #include "ap_config.h"
19 : #include "sta_info.h"
20 : #include "authsrv.h"
21 :
22 :
23 : #if defined(EAP_SERVER_SIM) || defined(EAP_SERVER_AKA)
24 : #define EAP_SIM_DB
25 : #endif /* EAP_SERVER_SIM || EAP_SERVER_AKA */
26 :
27 :
28 : #ifdef EAP_SIM_DB
29 6 : static int hostapd_sim_db_cb_sta(struct hostapd_data *hapd,
30 : struct sta_info *sta, void *ctx)
31 : {
32 6 : if (eapol_auth_eap_pending_cb(sta->eapol_sm, ctx) == 0)
33 6 : return 1;
34 0 : return 0;
35 : }
36 :
37 :
38 6 : static void hostapd_sim_db_cb(void *ctx, void *session_ctx)
39 : {
40 6 : struct hostapd_data *hapd = ctx;
41 6 : if (ap_for_each_sta(hapd, hostapd_sim_db_cb_sta, session_ctx) == 0) {
42 : #ifdef RADIUS_SERVER
43 0 : radius_server_eap_pending_cb(hapd->radius_srv, session_ctx);
44 : #endif /* RADIUS_SERVER */
45 : }
46 6 : }
47 : #endif /* EAP_SIM_DB */
48 :
49 :
50 : #ifdef RADIUS_SERVER
51 :
52 6 : static int hostapd_radius_get_eap_user(void *ctx, const u8 *identity,
53 : size_t identity_len, int phase2,
54 : struct eap_user *user)
55 : {
56 : const struct hostapd_eap_user *eap_user;
57 : int i;
58 :
59 6 : eap_user = hostapd_get_eap_user(ctx, identity, identity_len, phase2);
60 6 : if (eap_user == NULL)
61 0 : return -1;
62 :
63 6 : if (user == NULL)
64 0 : return 0;
65 :
66 6 : os_memset(user, 0, sizeof(*user));
67 54 : for (i = 0; i < EAP_MAX_METHODS; i++) {
68 48 : user->methods[i].vendor = eap_user->methods[i].vendor;
69 48 : user->methods[i].method = eap_user->methods[i].method;
70 : }
71 :
72 6 : if (eap_user->password) {
73 4 : user->password = os_malloc(eap_user->password_len);
74 4 : if (user->password == NULL)
75 0 : return -1;
76 4 : os_memcpy(user->password, eap_user->password,
77 : eap_user->password_len);
78 4 : user->password_len = eap_user->password_len;
79 4 : user->password_hash = eap_user->password_hash;
80 : }
81 6 : user->force_version = eap_user->force_version;
82 6 : user->macacl = eap_user->macacl;
83 6 : user->ttls_auth = eap_user->ttls_auth;
84 6 : user->remediation = eap_user->remediation;
85 6 : user->accept_attr = eap_user->accept_attr;
86 :
87 6 : return 0;
88 : }
89 :
90 :
91 2 : static int hostapd_setup_radius_srv(struct hostapd_data *hapd)
92 : {
93 : struct radius_server_conf srv;
94 2 : struct hostapd_bss_config *conf = hapd->conf;
95 2 : os_memset(&srv, 0, sizeof(srv));
96 2 : srv.client_file = conf->radius_server_clients;
97 2 : srv.auth_port = conf->radius_server_auth_port;
98 2 : srv.acct_port = conf->radius_server_acct_port;
99 2 : srv.conf_ctx = hapd;
100 2 : srv.eap_sim_db_priv = hapd->eap_sim_db_priv;
101 2 : srv.ssl_ctx = hapd->ssl_ctx;
102 2 : srv.msg_ctx = hapd->msg_ctx;
103 2 : srv.pac_opaque_encr_key = conf->pac_opaque_encr_key;
104 2 : srv.eap_fast_a_id = conf->eap_fast_a_id;
105 2 : srv.eap_fast_a_id_len = conf->eap_fast_a_id_len;
106 2 : srv.eap_fast_a_id_info = conf->eap_fast_a_id_info;
107 2 : srv.eap_fast_prov = conf->eap_fast_prov;
108 2 : srv.pac_key_lifetime = conf->pac_key_lifetime;
109 2 : srv.pac_key_refresh_time = conf->pac_key_refresh_time;
110 2 : srv.eap_sim_aka_result_ind = conf->eap_sim_aka_result_ind;
111 2 : srv.tnc = conf->tnc;
112 2 : srv.wps = hapd->wps;
113 2 : srv.ipv6 = conf->radius_server_ipv6;
114 2 : srv.get_eap_user = hostapd_radius_get_eap_user;
115 2 : srv.eap_req_id_text = conf->eap_req_id_text;
116 2 : srv.eap_req_id_text_len = conf->eap_req_id_text_len;
117 2 : srv.pwd_group = conf->pwd_group;
118 2 : srv.server_id = conf->server_id ? conf->server_id : "hostapd";
119 2 : srv.sqlite_file = conf->eap_user_sqlite;
120 : #ifdef CONFIG_RADIUS_TEST
121 : srv.dump_msk_file = conf->dump_msk_file;
122 : #endif /* CONFIG_RADIUS_TEST */
123 : #ifdef CONFIG_HS20
124 2 : srv.subscr_remediation_url = conf->subscr_remediation_url;
125 2 : srv.subscr_remediation_method = conf->subscr_remediation_method;
126 : #endif /* CONFIG_HS20 */
127 :
128 2 : hapd->radius_srv = radius_server_init(&srv);
129 2 : if (hapd->radius_srv == NULL) {
130 0 : wpa_printf(MSG_ERROR, "RADIUS server initialization failed.");
131 0 : return -1;
132 : }
133 :
134 2 : return 0;
135 : }
136 :
137 : #endif /* RADIUS_SERVER */
138 :
139 :
140 582 : int authsrv_init(struct hostapd_data *hapd)
141 : {
142 : #ifdef EAP_TLS_FUNCS
143 674 : if (hapd->conf->eap_server &&
144 244 : (hapd->conf->ca_cert || hapd->conf->server_cert ||
145 152 : hapd->conf->private_key || hapd->conf->dh_file)) {
146 : struct tls_connection_params params;
147 :
148 16 : hapd->ssl_ctx = tls_init(NULL);
149 16 : if (hapd->ssl_ctx == NULL) {
150 0 : wpa_printf(MSG_ERROR, "Failed to initialize TLS");
151 0 : authsrv_deinit(hapd);
152 0 : return -1;
153 : }
154 :
155 16 : os_memset(¶ms, 0, sizeof(params));
156 16 : params.ca_cert = hapd->conf->ca_cert;
157 16 : params.client_cert = hapd->conf->server_cert;
158 16 : params.private_key = hapd->conf->private_key;
159 16 : params.private_key_passwd = hapd->conf->private_key_passwd;
160 16 : params.dh_file = hapd->conf->dh_file;
161 16 : params.ocsp_stapling_response =
162 16 : hapd->conf->ocsp_stapling_response;
163 :
164 16 : if (tls_global_set_params(hapd->ssl_ctx, ¶ms)) {
165 0 : wpa_printf(MSG_ERROR, "Failed to set TLS parameters");
166 0 : authsrv_deinit(hapd);
167 0 : return -1;
168 : }
169 :
170 16 : if (tls_global_set_verify(hapd->ssl_ctx,
171 16 : hapd->conf->check_crl)) {
172 0 : wpa_printf(MSG_ERROR, "Failed to enable check_crl");
173 0 : authsrv_deinit(hapd);
174 0 : return -1;
175 : }
176 : }
177 : #endif /* EAP_TLS_FUNCS */
178 :
179 : #ifdef EAP_SIM_DB
180 582 : if (hapd->conf->eap_sim_db) {
181 1 : hapd->eap_sim_db_priv =
182 1 : eap_sim_db_init(hapd->conf->eap_sim_db,
183 : hostapd_sim_db_cb, hapd);
184 1 : if (hapd->eap_sim_db_priv == NULL) {
185 0 : wpa_printf(MSG_ERROR, "Failed to initialize EAP-SIM "
186 : "database interface");
187 0 : authsrv_deinit(hapd);
188 0 : return -1;
189 : }
190 : }
191 : #endif /* EAP_SIM_DB */
192 :
193 : #ifdef RADIUS_SERVER
194 584 : if (hapd->conf->radius_server_clients &&
195 2 : hostapd_setup_radius_srv(hapd))
196 0 : return -1;
197 : #endif /* RADIUS_SERVER */
198 :
199 582 : return 0;
200 : }
201 :
202 :
203 586 : void authsrv_deinit(struct hostapd_data *hapd)
204 : {
205 : #ifdef RADIUS_SERVER
206 586 : radius_server_deinit(hapd->radius_srv);
207 586 : hapd->radius_srv = NULL;
208 : #endif /* RADIUS_SERVER */
209 :
210 : #ifdef EAP_TLS_FUNCS
211 586 : if (hapd->ssl_ctx) {
212 16 : tls_deinit(hapd->ssl_ctx);
213 16 : hapd->ssl_ctx = NULL;
214 : }
215 : #endif /* EAP_TLS_FUNCS */
216 :
217 : #ifdef EAP_SIM_DB
218 586 : if (hapd->eap_sim_db_priv) {
219 1 : eap_sim_db_deinit(hapd->eap_sim_db_priv);
220 1 : hapd->eap_sim_db_priv = NULL;
221 : }
222 : #endif /* EAP_SIM_DB */
223 586 : }
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