18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd / EAP Full Authenticator state machine (RFC 4137) 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2004-2007, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef EAP_H 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define EAP_H 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/defs.h" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_common/eap_defs.h" 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_server/eap_methods.h" 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpabuf.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eap_sm; 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define EAP_TTLS_AUTH_PAP 1 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define EAP_TTLS_AUTH_CHAP 2 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define EAP_TTLS_AUTH_MSCHAP 4 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define EAP_TTLS_AUTH_MSCHAPV2 8 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eap_user { 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct { 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int vendor; 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 method; 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } methods[EAP_MAX_METHODS]; 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *password; 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t password_len; 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int password_hash; /* whether password is hashed with 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * nt_password_hash() */ 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int phase2; 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int force_version; 35f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt unsigned int remediation:1; 36df5a7e4c5c64890c2425bb47d665bbce4992b676Dmitry Shmidt unsigned int macacl:1; 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ttls_auth; /* bitfield of 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAP_TTLS_AUTH_{PAP,CHAP,MSCHAP,MSCHAPV2} */ 39818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt struct hostapd_radius_attr *accept_attr; 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eap_eapol_interface { 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Lower layer to full authenticator variables */ 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapResp; /* shared with EAPOL Backend Authentication */ 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *eapRespData; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean portEnabled; 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int retransWhile; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapRestart; /* shared with EAPOL Authenticator PAE */ 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int eapSRTT; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int eapRTTVAR; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Full authenticator to lower layer variables */ 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapReq; /* shared with EAPOL Backend Authentication */ 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapNoReq; /* shared with EAPOL Backend Authentication */ 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapSuccess; 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapFail; 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapTimeout; 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *eapReqData; 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *eapKeyData; 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t eapKeyDataLen; 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapKeyAvailable; /* called keyAvailable in IEEE 802.1X-2004 */ 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* AAA interface to full authenticator variables */ 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean aaaEapReq; 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean aaaEapNoReq; 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean aaaSuccess; 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean aaaFail; 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *aaaEapReqData; 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *aaaEapKeyData; 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t aaaEapKeyDataLen; 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean aaaEapKeyAvailable; 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int aaaMethodTimeout; 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Full authenticator to AAA interface variables */ 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean aaaEapResp; 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *aaaEapRespData; 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* aaaIdentity -> eap_get_identity() */ 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean aaaTimeout; 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eapol_callbacks { 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len, 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int phase2, struct eap_user *user); 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char * (*get_eap_req_id_text)(void *ctx, size_t *len); 85818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt void (*log_msg)(void *ctx, const char *msg); 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eap_config { 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *ssl_ctx; 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *msg_ctx; 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *eap_sim_db_priv; 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean backend_auth; 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int eap_server; 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 pwd_group; 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pac_opaque_encr_key; 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *eap_fast_a_id; 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t eap_fast_a_id_len; 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt char *eap_fast_a_id_info; 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int eap_fast_prov; 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int pac_key_lifetime; 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int pac_key_refresh_time; 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int eap_sim_aka_result_ind; 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int tnc; 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wps_context *wps; 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *assoc_wps_ie; 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *assoc_p2p_ie; 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *peer_addr; 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int fragment_size; 10987fd279308af3f806848c8f2ab65ef18c6ac4c30Jouni Malinen 11087fd279308af3f806848c8f2ab65ef18c6ac4c30Jouni Malinen int pbc_in_m1; 11134af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt 11234af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt const u8 *server_id; 11334af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt size_t server_id_len; 114818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt 115818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt#ifdef CONFIG_TESTING_OPTIONS 116818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt u32 tls_test_flags; 117818ea489ef32dcdc7c098d8a336d6e1dd8996112Dmitry Shmidt#endif /* CONFIG_TESTING_OPTIONS */ 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eap_sm * eap_server_sm_init(void *eapol_ctx, 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_callbacks *eapol_cb, 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_config *eap_conf); 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eap_server_sm_deinit(struct eap_sm *sm); 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eap_server_sm_step(struct eap_sm *sm); 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eap_sm_notify_cached(struct eap_sm *sm); 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eap_sm_pending_cb(struct eap_sm *sm); 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eap_sm_method_pending(struct eap_sm *sm); 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst u8 * eap_get_identity(struct eap_sm *sm, size_t *len); 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eap_eapol_interface * eap_get_interface(struct eap_sm *sm); 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eap_server_clear_identity(struct eap_sm *sm); 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* EAP_H */ 134