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
hostapd_sim_db_cb_sta(struct hostapd_data * hapd,struct sta_info * sta,void * ctx)29 static int hostapd_sim_db_cb_sta(struct hostapd_data *hapd,
30 struct sta_info *sta, void *ctx)
31 {
32 if (eapol_auth_eap_pending_cb(sta->eapol_sm, ctx) == 0)
33 return 1;
34 return 0;
35 }
36
37
hostapd_sim_db_cb(void * ctx,void * session_ctx)38 static void hostapd_sim_db_cb(void *ctx, void *session_ctx)
39 {
40 struct hostapd_data *hapd = ctx;
41 if (ap_for_each_sta(hapd, hostapd_sim_db_cb_sta, session_ctx) == 0) {
42 #ifdef RADIUS_SERVER
43 radius_server_eap_pending_cb(hapd->radius_srv, session_ctx);
44 #endif /* RADIUS_SERVER */
45 }
46 }
47 #endif /* EAP_SIM_DB */
48
49
50 #ifdef RADIUS_SERVER
51
hostapd_radius_get_eap_user(void * ctx,const u8 * identity,size_t identity_len,int phase2,struct eap_user * user)52 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 int rv = -1;
59
60 eap_user = hostapd_get_eap_user(ctx, identity, identity_len, phase2);
61 if (eap_user == NULL)
62 goto out;
63
64 if (user == NULL)
65 return 0;
66
67 os_memset(user, 0, sizeof(*user));
68 for (i = 0; i < EAP_MAX_METHODS; i++) {
69 user->methods[i].vendor = eap_user->methods[i].vendor;
70 user->methods[i].method = eap_user->methods[i].method;
71 }
72
73 if (eap_user->password) {
74 user->password = os_malloc(eap_user->password_len);
75 if (user->password == NULL)
76 goto out;
77 os_memcpy(user->password, eap_user->password,
78 eap_user->password_len);
79 user->password_len = eap_user->password_len;
80 user->password_hash = eap_user->password_hash;
81 }
82 user->force_version = eap_user->force_version;
83 user->macacl = eap_user->macacl;
84 user->ttls_auth = eap_user->ttls_auth;
85 user->remediation = eap_user->remediation;
86 user->accept_attr = eap_user->accept_attr;
87 rv = 0;
88
89 out:
90 if (rv)
91 wpa_printf(MSG_DEBUG, "%s: Failed to find user", __func__);
92
93 return rv;
94 }
95
96
hostapd_setup_radius_srv(struct hostapd_data * hapd)97 static int hostapd_setup_radius_srv(struct hostapd_data *hapd)
98 {
99 struct radius_server_conf srv;
100 struct hostapd_bss_config *conf = hapd->conf;
101 os_memset(&srv, 0, sizeof(srv));
102 srv.client_file = conf->radius_server_clients;
103 srv.auth_port = conf->radius_server_auth_port;
104 srv.acct_port = conf->radius_server_acct_port;
105 srv.conf_ctx = hapd;
106 srv.eap_sim_db_priv = hapd->eap_sim_db_priv;
107 srv.ssl_ctx = hapd->ssl_ctx;
108 srv.msg_ctx = hapd->msg_ctx;
109 srv.pac_opaque_encr_key = conf->pac_opaque_encr_key;
110 srv.eap_fast_a_id = conf->eap_fast_a_id;
111 srv.eap_fast_a_id_len = conf->eap_fast_a_id_len;
112 srv.eap_fast_a_id_info = conf->eap_fast_a_id_info;
113 srv.eap_fast_prov = conf->eap_fast_prov;
114 srv.pac_key_lifetime = conf->pac_key_lifetime;
115 srv.pac_key_refresh_time = conf->pac_key_refresh_time;
116 srv.eap_sim_aka_result_ind = conf->eap_sim_aka_result_ind;
117 srv.tnc = conf->tnc;
118 srv.wps = hapd->wps;
119 srv.ipv6 = conf->radius_server_ipv6;
120 srv.get_eap_user = hostapd_radius_get_eap_user;
121 srv.eap_req_id_text = conf->eap_req_id_text;
122 srv.eap_req_id_text_len = conf->eap_req_id_text_len;
123 srv.pwd_group = conf->pwd_group;
124 srv.server_id = conf->server_id ? conf->server_id : "hostapd";
125 srv.sqlite_file = conf->eap_user_sqlite;
126 #ifdef CONFIG_RADIUS_TEST
127 srv.dump_msk_file = conf->dump_msk_file;
128 #endif /* CONFIG_RADIUS_TEST */
129 #ifdef CONFIG_HS20
130 srv.subscr_remediation_url = conf->subscr_remediation_url;
131 srv.subscr_remediation_method = conf->subscr_remediation_method;
132 #endif /* CONFIG_HS20 */
133 srv.erp = conf->eap_server_erp;
134 srv.erp_domain = conf->erp_domain;
135 srv.tls_session_lifetime = conf->tls_session_lifetime;
136
137 hapd->radius_srv = radius_server_init(&srv);
138 if (hapd->radius_srv == NULL) {
139 wpa_printf(MSG_ERROR, "RADIUS server initialization failed.");
140 return -1;
141 }
142
143 return 0;
144 }
145
146 #endif /* RADIUS_SERVER */
147
148
authsrv_init(struct hostapd_data * hapd)149 int authsrv_init(struct hostapd_data *hapd)
150 {
151 #ifdef EAP_TLS_FUNCS
152 if (hapd->conf->eap_server &&
153 (hapd->conf->ca_cert || hapd->conf->server_cert ||
154 hapd->conf->private_key || hapd->conf->dh_file)) {
155 struct tls_config conf;
156 struct tls_connection_params params;
157
158 os_memset(&conf, 0, sizeof(conf));
159 conf.tls_session_lifetime = hapd->conf->tls_session_lifetime;
160 hapd->ssl_ctx = tls_init(&conf);
161 if (hapd->ssl_ctx == NULL) {
162 wpa_printf(MSG_ERROR, "Failed to initialize TLS");
163 authsrv_deinit(hapd);
164 return -1;
165 }
166
167 os_memset(¶ms, 0, sizeof(params));
168 params.ca_cert = hapd->conf->ca_cert;
169 params.client_cert = hapd->conf->server_cert;
170 params.private_key = hapd->conf->private_key;
171 params.private_key_passwd = hapd->conf->private_key_passwd;
172 params.dh_file = hapd->conf->dh_file;
173 params.openssl_ciphers = hapd->conf->openssl_ciphers;
174 params.ocsp_stapling_response =
175 hapd->conf->ocsp_stapling_response;
176 params.ocsp_stapling_response_multi =
177 hapd->conf->ocsp_stapling_response_multi;
178
179 if (tls_global_set_params(hapd->ssl_ctx, ¶ms)) {
180 wpa_printf(MSG_ERROR, "Failed to set TLS parameters");
181 authsrv_deinit(hapd);
182 return -1;
183 }
184
185 if (tls_global_set_verify(hapd->ssl_ctx,
186 hapd->conf->check_crl)) {
187 wpa_printf(MSG_ERROR, "Failed to enable check_crl");
188 authsrv_deinit(hapd);
189 return -1;
190 }
191 }
192 #endif /* EAP_TLS_FUNCS */
193
194 #ifdef EAP_SIM_DB
195 if (hapd->conf->eap_sim_db) {
196 hapd->eap_sim_db_priv =
197 eap_sim_db_init(hapd->conf->eap_sim_db,
198 hapd->conf->eap_sim_db_timeout,
199 hostapd_sim_db_cb, hapd);
200 if (hapd->eap_sim_db_priv == NULL) {
201 wpa_printf(MSG_ERROR, "Failed to initialize EAP-SIM "
202 "database interface");
203 authsrv_deinit(hapd);
204 return -1;
205 }
206 }
207 #endif /* EAP_SIM_DB */
208
209 #ifdef RADIUS_SERVER
210 if (hapd->conf->radius_server_clients &&
211 hostapd_setup_radius_srv(hapd))
212 return -1;
213 #endif /* RADIUS_SERVER */
214
215 return 0;
216 }
217
218
authsrv_deinit(struct hostapd_data * hapd)219 void authsrv_deinit(struct hostapd_data *hapd)
220 {
221 #ifdef RADIUS_SERVER
222 radius_server_deinit(hapd->radius_srv);
223 hapd->radius_srv = NULL;
224 #endif /* RADIUS_SERVER */
225
226 #ifdef EAP_TLS_FUNCS
227 if (hapd->ssl_ctx) {
228 tls_deinit(hapd->ssl_ctx);
229 hapd->ssl_ctx = NULL;
230 }
231 #endif /* EAP_TLS_FUNCS */
232
233 #ifdef EAP_SIM_DB
234 if (hapd->eap_sim_db_priv) {
235 eap_sim_db_deinit(hapd->eap_sim_db_priv);
236 hapd->eap_sim_db_priv = NULL;
237 }
238 #endif /* EAP_SIM_DB */
239 }
240