authsrv.c revision f21452aea786ac056eb01f1cbba4f553bd502747
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 29static 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 38static 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 52static 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 eap_user = hostapd_get_eap_user(ctx, identity, identity_len, phase2); 60 if (eap_user == NULL) 61 return -1; 62 63 if (user == NULL) 64 return 0; 65 66 os_memset(user, 0, sizeof(*user)); 67 for (i = 0; i < EAP_MAX_METHODS; i++) { 68 user->methods[i].vendor = eap_user->methods[i].vendor; 69 user->methods[i].method = eap_user->methods[i].method; 70 } 71 72 if (eap_user->password) { 73 user->password = os_malloc(eap_user->password_len); 74 if (user->password == NULL) 75 return -1; 76 os_memcpy(user->password, eap_user->password, 77 eap_user->password_len); 78 user->password_len = eap_user->password_len; 79 user->password_hash = eap_user->password_hash; 80 } 81 user->force_version = eap_user->force_version; 82 user->ttls_auth = eap_user->ttls_auth; 83 user->remediation = eap_user->remediation; 84 85 return 0; 86} 87 88 89static int hostapd_setup_radius_srv(struct hostapd_data *hapd) 90{ 91 struct radius_server_conf srv; 92 struct hostapd_bss_config *conf = hapd->conf; 93 os_memset(&srv, 0, sizeof(srv)); 94 srv.client_file = conf->radius_server_clients; 95 srv.auth_port = conf->radius_server_auth_port; 96 srv.acct_port = conf->radius_server_acct_port; 97 srv.conf_ctx = hapd; 98 srv.eap_sim_db_priv = hapd->eap_sim_db_priv; 99 srv.ssl_ctx = hapd->ssl_ctx; 100 srv.msg_ctx = hapd->msg_ctx; 101 srv.pac_opaque_encr_key = conf->pac_opaque_encr_key; 102 srv.eap_fast_a_id = conf->eap_fast_a_id; 103 srv.eap_fast_a_id_len = conf->eap_fast_a_id_len; 104 srv.eap_fast_a_id_info = conf->eap_fast_a_id_info; 105 srv.eap_fast_prov = conf->eap_fast_prov; 106 srv.pac_key_lifetime = conf->pac_key_lifetime; 107 srv.pac_key_refresh_time = conf->pac_key_refresh_time; 108 srv.eap_sim_aka_result_ind = conf->eap_sim_aka_result_ind; 109 srv.tnc = conf->tnc; 110 srv.wps = hapd->wps; 111 srv.ipv6 = conf->radius_server_ipv6; 112 srv.get_eap_user = hostapd_radius_get_eap_user; 113 srv.eap_req_id_text = conf->eap_req_id_text; 114 srv.eap_req_id_text_len = conf->eap_req_id_text_len; 115 srv.pwd_group = conf->pwd_group; 116 srv.server_id = conf->server_id ? conf->server_id : "hostapd"; 117#ifdef CONFIG_RADIUS_TEST 118 srv.dump_msk_file = conf->dump_msk_file; 119#endif /* CONFIG_RADIUS_TEST */ 120#ifdef CONFIG_HS20 121 srv.subscr_remediation_url = conf->subscr_remediation_url; 122 srv.subscr_remediation_method = conf->subscr_remediation_method; 123#endif /* CONFIG_HS20 */ 124 125 hapd->radius_srv = radius_server_init(&srv); 126 if (hapd->radius_srv == NULL) { 127 wpa_printf(MSG_ERROR, "RADIUS server initialization failed."); 128 return -1; 129 } 130 131 return 0; 132} 133 134#endif /* RADIUS_SERVER */ 135 136 137int authsrv_init(struct hostapd_data *hapd) 138{ 139#ifdef EAP_TLS_FUNCS 140 if (hapd->conf->eap_server && 141 (hapd->conf->ca_cert || hapd->conf->server_cert || 142 hapd->conf->private_key || hapd->conf->dh_file)) { 143 struct tls_connection_params params; 144 145 hapd->ssl_ctx = tls_init(NULL); 146 if (hapd->ssl_ctx == NULL) { 147 wpa_printf(MSG_ERROR, "Failed to initialize TLS"); 148 authsrv_deinit(hapd); 149 return -1; 150 } 151 152 os_memset(¶ms, 0, sizeof(params)); 153 params.ca_cert = hapd->conf->ca_cert; 154 params.client_cert = hapd->conf->server_cert; 155 params.private_key = hapd->conf->private_key; 156 params.private_key_passwd = hapd->conf->private_key_passwd; 157 params.dh_file = hapd->conf->dh_file; 158 params.ocsp_stapling_response = 159 hapd->conf->ocsp_stapling_response; 160 161 if (tls_global_set_params(hapd->ssl_ctx, ¶ms)) { 162 wpa_printf(MSG_ERROR, "Failed to set TLS parameters"); 163 authsrv_deinit(hapd); 164 return -1; 165 } 166 167 if (tls_global_set_verify(hapd->ssl_ctx, 168 hapd->conf->check_crl)) { 169 wpa_printf(MSG_ERROR, "Failed to enable check_crl"); 170 authsrv_deinit(hapd); 171 return -1; 172 } 173 } 174#endif /* EAP_TLS_FUNCS */ 175 176#ifdef EAP_SIM_DB 177 if (hapd->conf->eap_sim_db) { 178 hapd->eap_sim_db_priv = 179 eap_sim_db_init(hapd->conf->eap_sim_db, 180 hostapd_sim_db_cb, hapd); 181 if (hapd->eap_sim_db_priv == NULL) { 182 wpa_printf(MSG_ERROR, "Failed to initialize EAP-SIM " 183 "database interface"); 184 authsrv_deinit(hapd); 185 return -1; 186 } 187 } 188#endif /* EAP_SIM_DB */ 189 190#ifdef RADIUS_SERVER 191 if (hapd->conf->radius_server_clients && 192 hostapd_setup_radius_srv(hapd)) 193 return -1; 194#endif /* RADIUS_SERVER */ 195 196 return 0; 197} 198 199 200void authsrv_deinit(struct hostapd_data *hapd) 201{ 202#ifdef RADIUS_SERVER 203 radius_server_deinit(hapd->radius_srv); 204 hapd->radius_srv = NULL; 205#endif /* RADIUS_SERVER */ 206 207#ifdef EAP_TLS_FUNCS 208 if (hapd->ssl_ctx) { 209 tls_deinit(hapd->ssl_ctx); 210 hapd->ssl_ctx = NULL; 211 } 212#endif /* EAP_TLS_FUNCS */ 213 214#ifdef EAP_SIM_DB 215 if (hapd->eap_sim_db_priv) { 216 eap_sim_db_deinit(hapd->eap_sim_db_priv); 217 hapd->eap_sim_db_priv = NULL; 218 } 219#endif /* EAP_SIM_DB */ 220} 221