authsrv.c revision c5ec7f57ead87efa365800228aa0b09a12d9e6c4
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 84 return 0; 85} 86 87 88static int hostapd_setup_radius_srv(struct hostapd_data *hapd) 89{ 90 struct radius_server_conf srv; 91 struct hostapd_bss_config *conf = hapd->conf; 92 os_memset(&srv, 0, sizeof(srv)); 93 srv.client_file = conf->radius_server_clients; 94 srv.auth_port = conf->radius_server_auth_port; 95 srv.conf_ctx = conf; 96 srv.eap_sim_db_priv = hapd->eap_sim_db_priv; 97 srv.ssl_ctx = hapd->ssl_ctx; 98 srv.msg_ctx = hapd->msg_ctx; 99 srv.pac_opaque_encr_key = conf->pac_opaque_encr_key; 100 srv.eap_fast_a_id = conf->eap_fast_a_id; 101 srv.eap_fast_a_id_len = conf->eap_fast_a_id_len; 102 srv.eap_fast_a_id_info = conf->eap_fast_a_id_info; 103 srv.eap_fast_prov = conf->eap_fast_prov; 104 srv.pac_key_lifetime = conf->pac_key_lifetime; 105 srv.pac_key_refresh_time = conf->pac_key_refresh_time; 106 srv.eap_sim_aka_result_ind = conf->eap_sim_aka_result_ind; 107 srv.tnc = conf->tnc; 108 srv.wps = hapd->wps; 109 srv.ipv6 = conf->radius_server_ipv6; 110 srv.get_eap_user = hostapd_radius_get_eap_user; 111 srv.eap_req_id_text = conf->eap_req_id_text; 112 srv.eap_req_id_text_len = conf->eap_req_id_text_len; 113 srv.pwd_group = conf->pwd_group; 114#ifdef CONFIG_RADIUS_TEST 115 srv.dump_msk_file = conf->dump_msk_file; 116#endif /* CONFIG_RADIUS_TEST */ 117 118 hapd->radius_srv = radius_server_init(&srv); 119 if (hapd->radius_srv == NULL) { 120 wpa_printf(MSG_ERROR, "RADIUS server initialization failed."); 121 return -1; 122 } 123 124 return 0; 125} 126 127#endif /* RADIUS_SERVER */ 128 129 130int authsrv_init(struct hostapd_data *hapd) 131{ 132#ifdef EAP_TLS_FUNCS 133 if (hapd->conf->eap_server && 134 (hapd->conf->ca_cert || hapd->conf->server_cert || 135 hapd->conf->dh_file)) { 136 struct tls_connection_params params; 137 138 hapd->ssl_ctx = tls_init(NULL); 139 if (hapd->ssl_ctx == NULL) { 140 wpa_printf(MSG_ERROR, "Failed to initialize TLS"); 141 authsrv_deinit(hapd); 142 return -1; 143 } 144 145 os_memset(¶ms, 0, sizeof(params)); 146 params.ca_cert = hapd->conf->ca_cert; 147 params.client_cert = hapd->conf->server_cert; 148 params.private_key = hapd->conf->private_key; 149 params.private_key_passwd = hapd->conf->private_key_passwd; 150 params.dh_file = hapd->conf->dh_file; 151 152 if (tls_global_set_params(hapd->ssl_ctx, ¶ms)) { 153 wpa_printf(MSG_ERROR, "Failed to set TLS parameters"); 154 authsrv_deinit(hapd); 155 return -1; 156 } 157 158 if (tls_global_set_verify(hapd->ssl_ctx, 159 hapd->conf->check_crl)) { 160 wpa_printf(MSG_ERROR, "Failed to enable check_crl"); 161 authsrv_deinit(hapd); 162 return -1; 163 } 164 } 165#endif /* EAP_TLS_FUNCS */ 166 167#ifdef EAP_SIM_DB 168 if (hapd->conf->eap_sim_db) { 169 hapd->eap_sim_db_priv = 170 eap_sim_db_init(hapd->conf->eap_sim_db, 171 hostapd_sim_db_cb, hapd); 172 if (hapd->eap_sim_db_priv == NULL) { 173 wpa_printf(MSG_ERROR, "Failed to initialize EAP-SIM " 174 "database interface"); 175 authsrv_deinit(hapd); 176 return -1; 177 } 178 } 179#endif /* EAP_SIM_DB */ 180 181#ifdef RADIUS_SERVER 182 if (hapd->conf->radius_server_clients && 183 hostapd_setup_radius_srv(hapd)) 184 return -1; 185#endif /* RADIUS_SERVER */ 186 187 return 0; 188} 189 190 191void authsrv_deinit(struct hostapd_data *hapd) 192{ 193#ifdef RADIUS_SERVER 194 radius_server_deinit(hapd->radius_srv); 195 hapd->radius_srv = NULL; 196#endif /* RADIUS_SERVER */ 197 198#ifdef EAP_TLS_FUNCS 199 if (hapd->ssl_ctx) { 200 tls_deinit(hapd->ssl_ctx); 201 hapd->ssl_ctx = NULL; 202 } 203#endif /* EAP_TLS_FUNCS */ 204 205#ifdef EAP_SIM_DB 206 if (hapd->eap_sim_db_priv) { 207 eap_sim_db_deinit(hapd->eap_sim_db_priv); 208 hapd->eap_sim_db_priv = NULL; 209 } 210#endif /* EAP_SIM_DB */ 211} 212