eapol_supp_sm.c revision fb79edc9df1f20461e90e478363d207348213d35
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL supplicant state machines 361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt * Copyright (c) 2004-2012, 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#include "includes.h" 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common.h" 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "state_machine.h" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpabuf.h" 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eloop.h" 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/crypto.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/md5.h" 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/eapol_common.h" 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_peer/eap.h" 19f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#include "eap_peer/eap_proxy.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eapol_supp_sm.h" 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STATE_MACHINE_DATA struct eapol_sm 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STATE_MACHINE_DEBUG_PREFIX "EAPOL" 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* IEEE 802.1X-2004 - Supplicant - EAPOL state machines */ 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * struct eapol_sm - Internal data for EAPOL state machines 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eapol_sm { 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Timers */ 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int authWhile; 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int heldWhile; 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int startWhen; 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int idleWhile; /* for EAP state machine */ 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int timer_tick_enabled; 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Global variables */ 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapFail; 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapolEap; 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapSuccess; 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean initialize; 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean keyDone; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean keyRun; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PortControl portControl; 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean portEnabled; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PortStatus suppPortStatus; /* dot1xSuppControlledPortStatus */ 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean portValid; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppAbort; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppFail; 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppStart; 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppSuccess; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppTimeout; 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant PAE state machine */ 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_UNKNOWN = 0, 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_DISCONNECTED = 1, 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_LOGOFF = 2, 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_CONNECTING = 3, 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_AUTHENTICATING = 4, 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_AUTHENTICATED = 5, 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* unused(6) */ 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_HELD = 7, 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_RESTART = 8, 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_S_FORCE_AUTH = 9, 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_S_FORCE_UNAUTH = 10 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } SUPP_PAE_state; /* dot1xSuppPaeState */ 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Variables */ 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean userLogoff; 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean logoffSent; 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int startCount; 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapRestart; 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PortControl sPortMode; 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Constants */ 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int heldPeriod; /* dot1xSuppHeldPeriod */ 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int startPeriod; /* dot1xSuppStartPeriod */ 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int maxStart; /* dot1xSuppMaxStart */ 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Key Receive state machine */ 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt KEY_RX_UNKNOWN = 0, 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt KEY_RX_NO_KEY_RECEIVE, KEY_RX_KEY_RECEIVE 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } KEY_RX_state; 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Variables */ 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean rxKey; 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant Backend state machine */ 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_UNKNOWN = 0, 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_INITIALIZE = 1, 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_IDLE = 2, 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_REQUEST = 3, 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_RECEIVE = 4, 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_RESPONSE = 5, 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_FAIL = 6, 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_TIMEOUT = 7, 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_SUCCESS = 8 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } SUPP_BE_state; /* dot1xSuppBackendPaeState */ 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Variables */ 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapNoResp; 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapReq; 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapResp; 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Constants */ 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int authPeriod; /* dot1xSuppAuthPeriod */ 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Statistics */ 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolFramesRx; 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolFramesTx; 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolStartFramesTx; 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolLogoffFramesTx; 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolRespFramesTx; 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolReqIdFramesRx; 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolReqFramesRx; 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppInvalidEapolFramesRx; 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapLengthErrorFramesRx; 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppLastEapolFrameVersion; 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned char dot1xSuppLastEapolFrameSource[6]; 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Miscellaneous variables (not defined in IEEE 802.1X-2004) */ 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean changed; 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_sm *eap; 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peer_config *config; 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean initial_req; 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *last_rx_key; 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t last_rx_key_len; 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *eapReqData; /* for EAP */ 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean altAccept; /* for EAP */ 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean altReject; /* for EAP */ 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean replay_counter_valid; 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 last_replay_counter[16]; 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_config conf; 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_ctx *ctx; 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { EAPOL_CB_IN_PROGRESS = 0, EAPOL_CB_SUCCESS, EAPOL_CB_FAILURE } 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb_status; 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean cached_pmk; 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean unicast_key_received, broadcast_key_received; 140fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 141fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt Boolean force_authorized_update; 142fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 143f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#ifdef CONFIG_EAP_PROXY 144f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt Boolean use_eap_proxy; 145f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt struct eap_proxy_sm *eap_proxy; 146f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txLogoff(struct eapol_sm *sm); 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txStart(struct eapol_sm *sm); 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_processKey(struct eapol_sm *sm); 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_getSuppRsp(struct eapol_sm *sm); 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txSuppRsp(struct eapol_sm *sm); 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abortSupp(struct eapol_sm *sm); 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abort_cached(struct eapol_sm *sm); 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_step_timeout(void *eloop_ctx, void *timeout_ctx); 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_authorized(struct eapol_sm *sm); 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_unauthorized(struct eapol_sm *sm); 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Port Timers state machine - implemented as a function that will be called 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * once a second as a registered event loop timeout */ 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_port_timers_tick(void *eloop_ctx, void *timeout_ctx) 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = timeout_ctx; 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->authWhile > 0) { 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authWhile--; 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->authWhile == 0) 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: authWhile --> 0"); 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->heldWhile > 0) { 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldWhile--; 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->heldWhile == 0) 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: heldWhile --> 0"); 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->startWhen > 0) { 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen--; 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->startWhen == 0) 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: startWhen --> 0"); 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->idleWhile > 0) { 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->idleWhile--; 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->idleWhile == 0) 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: idleWhile --> 0"); 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->authWhile | sm->heldWhile | sm->startWhen | sm->idleWhile) { 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(1, 0, eapol_port_timers_tick, eloop_ctx, 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm); 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: disable timer tick"); 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->timer_tick_enabled = 0; 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_enable_timer_tick(struct eapol_sm *sm) 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->timer_tick_enabled) 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: enable timer tick"); 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->timer_tick_enabled = 1; 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm); 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(1, 0, eapol_port_timers_tick, NULL, sm); 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, LOGOFF) 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, LOGOFF); 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txLogoff(sm); 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->logoffSent = TRUE; 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, DISCONNECTED) 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, DISCONNECTED); 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->sPortMode = Auto; 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount = 0; 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->logoffSent = FALSE; 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppAbort = TRUE; 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->unicast_key_received = FALSE; 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->broadcast_key_received = FALSE; 231c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt 232c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt /* 233c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * IEEE Std 802.1X-2004 does not clear heldWhile here, but doing so 234c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * allows the timer tick to be stopped more quickly when the port is 235c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * not enabled. Since this variable is used only within HELD state, 236c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * clearing it on initialization does not change actual state machine 237c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * behavior. 238c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt */ 239c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt sm->heldWhile = 0; 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, CONNECTING) 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int send_start = sm->SUPP_PAE_state == SUPP_PAE_CONNECTING; 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, CONNECTING); 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (send_start) { 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = sm->startPeriod; 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount++; 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Do not send EAPOL-Start immediately since in most cases, 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Authenticator is going to start authentication immediately 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * after association and an extra EAPOL-Start is just going to 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * delay authentication. Use a short timeout to send the first 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL-Start if Authenticator does not start authentication. 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Reduce latency on starting WPS negotiation. */ 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = 1; 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_WPS */ 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = 3; 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = FALSE; 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (send_start) 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txStart(sm); 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, AUTHENTICATING) 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, AUTHENTICATING); 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount = 0; 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppSuccess = FALSE; 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppFail = FALSE; 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppTimeout = FALSE; 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->keyRun = FALSE; 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->keyDone = FALSE; 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppStart = TRUE; 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, HELD) 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, HELD); 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldWhile = sm->heldPeriod; 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cb_status = EAPOL_CB_FAILURE; 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, AUTHENTICATED) 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, AUTHENTICATED); 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_authorized(sm); 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cb_status = EAPOL_CB_SUCCESS; 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, RESTART) 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, RESTART); 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapRestart = TRUE; 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, S_FORCE_AUTH) 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, S_FORCE_AUTH); 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_authorized(sm); 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->sPortMode = ForceAuthorized; 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, S_FORCE_UNAUTH) 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, S_FORCE_UNAUTH); 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->sPortMode = ForceUnauthorized; 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txLogoff(sm); 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STEP(SUPP_PAE) 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((sm->userLogoff && !sm->logoffSent) && 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->initialize || !sm->portEnabled)) 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, LOGOFF); 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (((sm->portControl == Auto) && 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->sPortMode != sm->portControl)) || 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize || !sm->portEnabled) 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, DISCONNECTED); 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if ((sm->portControl == ForceAuthorized) && 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->sPortMode != sm->portControl) && 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->initialize || !sm->portEnabled)) 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, S_FORCE_AUTH); 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if ((sm->portControl == ForceUnauthorized) && 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->sPortMode != sm->portControl) && 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->initialize || !sm->portEnabled)) 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, S_FORCE_UNAUTH); 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else switch (sm->SUPP_PAE_state) { 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_UNKNOWN: 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_LOGOFF: 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->userLogoff) 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, DISCONNECTED); 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_DISCONNECTED: 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_CONNECTING: 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->startWhen == 0 && sm->startCount < sm->maxStart) 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->startWhen == 0 && 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount >= sm->maxStart && 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid) 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATED); 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess || sm->eapFail) 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATING); 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapolEap) 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, RESTART); 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->startWhen == 0 && 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount >= sm->maxStart && 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !sm->portValid) 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, HELD); 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATING: 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapSuccess && !sm->portValid && 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.accept_802_1x_keys && 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.required_keys == 0) { 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: IEEE 802.1X for " 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "plaintext connection; no EAPOL-Key frames " 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "required"); 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = TRUE; 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->eapol_done_cb) 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_done_cb(sm->ctx->ctx); 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapSuccess && sm->portValid) 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATED); 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapFail || (sm->keyDone && !sm->portValid)) 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, HELD); 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->suppTimeout) 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_HELD: 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->heldWhile == 0) 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapolEap) 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, RESTART); 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATED: 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapolEap && sm->portValid) 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, RESTART); 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (!sm->portValid) 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, DISCONNECTED); 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_RESTART: 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->eapRestart) 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATING); 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_S_FORCE_AUTH: 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_S_FORCE_UNAUTH: 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(KEY_RX, NO_KEY_RECEIVE) 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(KEY_RX, NO_KEY_RECEIVE); 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(KEY_RX, KEY_RECEIVE) 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(KEY_RX, KEY_RECEIVE); 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_processKey(sm); 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->rxKey = FALSE; 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STEP(KEY_RX) 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->initialize || !sm->portEnabled) 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(KEY_RX, NO_KEY_RECEIVE); 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (sm->KEY_RX_state) { 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case KEY_RX_UNKNOWN: 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case KEY_RX_NO_KEY_RECEIVE: 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->rxKey) 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(KEY_RX, KEY_RECEIVE); 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case KEY_RX_KEY_RECEIVE: 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->rxKey) 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(KEY_RX, KEY_RECEIVE); 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, REQUEST) 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, REQUEST); 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authWhile = 0; 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = TRUE; 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_getSuppRsp(sm); 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, RESPONSE) 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, RESPONSE); 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txSuppRsp(sm); 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapResp = FALSE; 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, SUCCESS) 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, SUCCESS); 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->keyRun = TRUE; 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppSuccess = TRUE; 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 468f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#ifdef CONFIG_EAP_PROXY 469f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (sm->use_eap_proxy) { 470f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (eap_proxy_key_available(sm->eap_proxy)) { 471f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt /* New key received - clear IEEE 802.1X EAPOL-Key replay 472f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt * counter */ 473f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt sm->replay_counter_valid = FALSE; 474f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 475f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt return; 476f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 477f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 478f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_key_available(sm->eap)) { 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* New key received - clear IEEE 802.1X EAPOL-Key replay 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * counter */ 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->replay_counter_valid = FALSE; 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, FAIL) 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, FAIL); 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppFail = TRUE; 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, TIMEOUT) 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, TIMEOUT); 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppTimeout = TRUE; 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, IDLE) 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, IDLE); 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppStart = FALSE; 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initial_req = TRUE; 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, INITIALIZE) 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, INITIALIZE); 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_abortSupp(sm); 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppAbort = FALSE; 514c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt 515c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt /* 516c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * IEEE Std 802.1X-2004 does not clear authWhile here, but doing so 517c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * allows the timer tick to be stopped more quickly when the port is 518c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * not enabled. Since this variable is used only within RECEIVE state, 519c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * clearing it on initialization does not change actual state machine 520c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * behavior. 521c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt */ 522c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt sm->authWhile = 0; 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, RECEIVE) 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, RECEIVE); 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authWhile = sm->authPeriod; 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = FALSE; 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapNoResp = FALSE; 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initial_req = FALSE; 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STEP(SUPP_BE) 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->initialize || sm->suppAbort) 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_BE, INITIALIZE); 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else switch (sm->SUPP_BE_state) { 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_UNKNOWN: 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_REQUEST: 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IEEE Std 802.1X-2004 has transitions from REQUEST to FAIL 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and SUCCESS based on eapFail and eapSuccess, respectively. 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * However, IEEE Std 802.1X-2004 is also specifying that 5491f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * eapNoResp should be set in conjunction with eapSuccess and 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapFail which would mean that more than one of the 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * transitions here would be activated at the same time. 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Skipping RESPONSE and/or RECEIVE states in these cases can 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * cause problems and the direct transitions to do not seem 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * correct. Because of this, the conditions for these 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * transitions are verified only after eapNoResp. They are 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * unlikely to be used since eapNoResp should always be set if 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * either of eapSuccess or eapFail is set. 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapResp && sm->eapNoResp) { 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: SUPP_BE REQUEST: both " 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "eapResp and eapNoResp set?!"); 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapResp) 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, RESPONSE); 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapNoResp) 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, RECEIVE); 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapFail) 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, FAIL); 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess) 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, SUCCESS); 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RESPONSE: 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, RECEIVE); 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_SUCCESS: 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_FAIL: 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_TIMEOUT: 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_IDLE: 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapFail && sm->suppStart) 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, FAIL); 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapolEap && sm->suppStart) 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, REQUEST); 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess && sm->suppStart) 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, SUCCESS); 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_INITIALIZE: 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RECEIVE: 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapolEap) 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, REQUEST); 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapFail) 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, FAIL); 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->authWhile == 0) 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, TIMEOUT); 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess) 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, SUCCESS); 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txLogoff(struct eapol_sm *sm) 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: txLogoff"); 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_send(sm->ctx->eapol_send_ctx, 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE802_1X_TYPE_EAPOL_LOGOFF, (u8 *) "", 0); 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolLogoffFramesTx++; 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txStart(struct eapol_sm *sm) 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: txStart"); 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_send(sm->ctx->eapol_send_ctx, 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE802_1X_TYPE_EAPOL_START, (u8 *) "", 0); 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolStartFramesTx++; 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_ENCR_KEY_LEN 32 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_SIGN_KEY_LEN 32 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eap_key_data { 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 encr_key[IEEE8021X_ENCR_KEY_LEN]; 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 sign_key[IEEE8021X_SIGN_KEY_LEN]; 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_processKey(struct eapol_sm *sm) 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 64061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifndef CONFIG_FIPS 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_hdr *hdr; 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_eapol_key *key; 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_key_data keydata; 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 orig_key_sign[IEEE8021X_KEY_SIGN_LEN], datakey[32]; 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ekey[IEEE8021X_KEY_IV_LEN + IEEE8021X_ENCR_KEY_LEN]; 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int key_len, res, sign_key_len, encr_key_len; 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 rx_key_length; 64861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t plen; 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: processKey"); 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->last_rx_key == NULL) 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->conf.accept_802_1x_keys) { 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Received IEEE 802.1X EAPOL-Key" 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " even though this was not accepted - " 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ignoring this packet"); 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 66161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sm->last_rx_key_len < sizeof(*hdr) + sizeof(*key)) 66261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return; 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (struct ieee802_1x_hdr *) sm->last_rx_key; 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = (struct ieee802_1x_eapol_key *) (hdr + 1); 66561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt plen = be_to_host16(hdr->length); 66661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sizeof(*hdr) + plen > sm->last_rx_key_len || plen < sizeof(*key)) { 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Too short EAPOL-Key frame"); 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rx_key_length = WPA_GET_BE16(key->key_length); 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: RX IEEE 802.1X ver=%d type=%d len=%d " 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAPOL-Key: type=%d key_length=%d key_index=0x%x", 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->version, hdr->type, be_to_host16(hdr->length), 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->type, rx_key_length, key->key_index); 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_notify_lower_layer_success(sm, 1); 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sign_key_len = IEEE8021X_SIGN_KEY_LEN; 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_key_len = IEEE8021X_ENCR_KEY_LEN; 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = eapol_sm_get_key(sm, (u8 *) &keydata, sizeof(keydata)); 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) { 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Could not get master key for " 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "decrypting EAPOL-Key keys"); 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res == 16) { 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* LEAP derives only 16 bytes of keying material. */ 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = eapol_sm_get_key(sm, (u8 *) &keydata, 16); 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res) { 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Could not get LEAP " 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "master key for decrypting EAPOL-Key keys"); 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sign_key_len = 16; 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_key_len = 16; 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(keydata.sign_key, keydata.encr_key, 16); 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (res) { 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Could not get enough master key " 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "data for decrypting EAPOL-Key keys (res=%d)", res); 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* The key replay_counter must increase when same master key */ 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->replay_counter_valid && 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(sm->last_replay_counter, key->replay_counter, 7058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_REPLAY_COUNTER_LEN) >= 0) { 7068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: EAPOL-Key replay counter did " 7078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not increase - ignoring key"); 7088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAPOL: last replay counter", 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_replay_counter, 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_REPLAY_COUNTER_LEN); 7118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAPOL: received replay counter", 7128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->replay_counter, IEEE8021X_REPLAY_COUNTER_LEN); 7138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Verify key signature (HMAC-MD5) */ 7178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(orig_key_sign, key->key_signature, IEEE8021X_KEY_SIGN_LEN); 7188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(key->key_signature, 0, IEEE8021X_KEY_SIGN_LEN); 7198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_md5(keydata.sign_key, sign_key_len, 7208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key, sizeof(*hdr) + be_to_host16(hdr->length), 7218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_signature); 7228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(orig_key_sign, key->key_signature, 7238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_KEY_SIGN_LEN) != 0) { 7248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Invalid key signature in " 7258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAPOL-Key packet"); 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(key->key_signature, orig_key_sign, 7278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_KEY_SIGN_LEN); 7288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAPOL-Key key signature verified"); 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 73261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt key_len = plen - sizeof(*key); 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key_len > 32 || rx_key_length > 32) { 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Too long key data length %d", 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_len ? key_len : rx_key_length); 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key_len == rx_key_length) { 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(ekey, key->key_iv, IEEE8021X_KEY_IV_LEN); 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(ekey + IEEE8021X_KEY_IV_LEN, keydata.encr_key, 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_key_len); 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(datakey, key + 1, key_len); 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rc4_skip(ekey, IEEE8021X_KEY_IV_LEN + encr_key_len, 0, 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len); 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAPOL: Decrypted(RC4) key", 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len); 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (key_len == 0) { 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IEEE 802.1X-2004 specifies that least significant Key Length 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * octets from MS-MPPE-Send-Key are used as the key if the key 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * data is not present. This seems to be meaning the beginning 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * of the MS-MPPE-Send-Key. In addition, MS-MPPE-Send-Key in 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Supplicant corresponds to MS-MPPE-Recv-Key in Authenticator. 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Anyway, taking the beginning of the keying material from EAP 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * seems to interoperate with Authenticators. 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_len = rx_key_length; 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(datakey, keydata.encr_key, key_len); 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAPOL: using part of EAP keying " 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "material data encryption key", 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len); 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Invalid key data length %d " 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(key_length=%d)", key_len, rx_key_length); 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->replay_counter_valid = TRUE; 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->last_replay_counter, key->replay_counter, 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_REPLAY_COUNTER_LEN); 7718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Setting dynamic WEP key: %s keyidx %d " 7738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "len %d", 7748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_FLAG ? 7758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "unicast" : "broadcast", 7768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_MASK, key_len); 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->set_wep_key && 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->set_wep_key(sm->ctx->ctx, 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_FLAG, 7818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_MASK, 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len) < 0) { 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Failed to set WEP key to the " 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " driver."); 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key->key_index & IEEE8021X_KEY_INDEX_FLAG) 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->unicast_key_received = TRUE; 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->broadcast_key_received = TRUE; 7908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((sm->unicast_key_received || 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->conf.required_keys & EAPOL_REQUIRE_KEY_UNICAST)) && 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->broadcast_key_received || 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->conf.required_keys & EAPOL_REQUIRE_KEY_BROADCAST))) 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: all required EAPOL-Key " 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frames received"); 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = TRUE; 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->eapol_done_cb) 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_done_cb(sm->ctx->ctx); 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 80361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_FIPS */ 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_getSuppRsp(struct eapol_sm *sm) 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: getSuppRsp"); 8108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* EAP layer processing; no special code is needed, since Supplicant 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Backend state machine is waiting for eapNoResp or eapResp to be set 8128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and these are only set in the EAP state machine when the processing 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * has finished. */ 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txSuppRsp(struct eapol_sm *sm) 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *resp; 8208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: txSuppRsp"); 822f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt 823f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#ifdef CONFIG_EAP_PROXY 824f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (sm->use_eap_proxy) { 825f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt /* Get EAP Response from EAP Proxy */ 826f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt resp = eap_proxy_get_eapRespData(sm->eap_proxy); 827f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (resp == NULL) { 828f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: txSuppRsp - EAP Proxy " 829f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt "response data not available"); 830f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt return; 831f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 832f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } else 833f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 834f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt 8358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt resp = eap_get_eapRespData(sm->eap); 8368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (resp == NULL) { 8378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: txSuppRsp - EAP response data " 8388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not available"); 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Send EAP-Packet from the EAP layer to the Authenticator */ 8438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_send(sm->ctx->eapol_send_ctx, 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE802_1X_TYPE_EAP_PACKET, wpabuf_head(resp), 8458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_len(resp)); 8468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* eapRespData is not used anymore, so free it here */ 8488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(resp); 8498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->initial_req) 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqIdFramesRx++; 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqFramesRx++; 8548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolRespFramesTx++; 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 8568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abortSupp(struct eapol_sm *sm) 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* release system resources that may have been allocated for the 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * authentication session */ 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->last_rx_key); 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key = NULL; 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eapReqData); 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReqData = NULL; 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_sm_abort(sm->eap); 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_step_timeout(void *eloop_ctx, void *timeout_ctx) 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(timeout_ctx); 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_authorized(struct eapol_sm *sm) 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 879fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int cb; 880fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 881fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt cb = sm->suppPortStatus != Authorized || sm->force_authorized_update; 882fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt sm->force_authorized_update = FALSE; 883fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt sm->suppPortStatus = Authorized; 884fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (cb && sm->ctx->port_cb) 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->port_cb(sm->ctx->ctx, 1); 8868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_unauthorized(struct eapol_sm *sm) 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 891fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt int cb; 892fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt 893fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt cb = sm->suppPortStatus != Unauthorized || sm->force_authorized_update; 894fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt sm->force_authorized_update = FALSE; 895fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt sm->suppPortStatus = Unauthorized; 896fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (cb && sm->ctx->port_cb) 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->port_cb(sm->ctx->ctx, 0); 8988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 9028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_step - EAPOL state machine step function 9038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 9048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 9058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called to notify the state machine about changed external 9068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * variables. It will step through the EAPOL state machines in loop to process 9078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * all triggered state changes. 9088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_step(struct eapol_sm *sm) 9108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 9128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* In theory, it should be ok to run this in loop until !changed. 9148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * However, it is better to use a limit on number of iterations to 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * allow events (e.g., SIGTERM) to stop the program cleanly if the 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * state machine were to generate a busy loop. */ 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < 100; i++) { 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->changed = FALSE; 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_STEP_RUN(SUPP_PAE); 9208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_STEP_RUN(KEY_RX); 9218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_STEP_RUN(SUPP_BE); 922f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#ifdef CONFIG_EAP_PROXY 923f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (sm->use_eap_proxy) { 924f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt /* Drive the EAP proxy state machine */ 925f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (eap_proxy_sm_step(sm->eap_proxy, sm->eap)) 926f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt sm->changed = TRUE; 927f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } else 928f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 9298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_peer_sm_step(sm->eap)) 9308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->changed = TRUE; 9318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->changed) 9328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 9338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->changed) { 9368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* restart EAPOL state machine step from timeout call in order 9378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to allow other events to be processed. */ 9388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_sm_step_timeout, NULL, sm); 9398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(0, 0, eapol_sm_step_timeout, NULL, sm); 9408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->cb && sm->cb_status != EAPOL_CB_IN_PROGRESS) { 9438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int success = sm->cb_status == EAPOL_CB_SUCCESS ? 1 : 0; 9448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cb_status = EAPOL_CB_IN_PROGRESS; 9458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->cb(sm, success, sm->ctx->cb_ctx); 9468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE 9518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char *eapol_supp_pae_state(int state) 9528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (state) { 9548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_LOGOFF: 9558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "LOGOFF"; 9568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_DISCONNECTED: 9578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "DISCONNECTED"; 9588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_CONNECTING: 9598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "CONNECTING"; 9608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATING: 9618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "AUTHENTICATING"; 9628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_HELD: 9638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "HELD"; 9648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATED: 9658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "AUTHENTICATED"; 9668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_RESTART: 9678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "RESTART"; 9688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 9698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "UNKNOWN"; 9708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char *eapol_supp_be_state(int state) 9758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (state) { 9778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_REQUEST: 9788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "REQUEST"; 9798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RESPONSE: 9808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "RESPONSE"; 9818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_SUCCESS: 9828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "SUCCESS"; 9838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_FAIL: 9848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "FAIL"; 9858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_TIMEOUT: 9868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "TIMEOUT"; 9878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_IDLE: 9888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "IDLE"; 9898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_INITIALIZE: 9908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "INITIALIZE"; 9918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RECEIVE: 9928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "RECEIVE"; 9938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 9948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "UNKNOWN"; 9958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char * eapol_port_status(PortStatus status) 10008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (status == Authorized) 10028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Authorized"; 10038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 10048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Unauthorized"; 10058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE */ 10078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) 10108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char * eapol_port_control(PortControl ctrl) 10118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (ctrl) { 10138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case Auto: 10148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Auto"; 10158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case ForceUnauthorized: 10168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "ForceUnauthorized"; 10178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case ForceAuthorized: 10188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "ForceAuthorized"; 10198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 10208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Unknown"; 10218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ 10248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_configure - Set EAPOL variables 10288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 10298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @heldPeriod: dot1xSuppHeldPeriod 10308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @authPeriod: dot1xSuppAuthPeriod 10318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @startPeriod: dot1xSuppStartPeriod 10328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @maxStart: dot1xSuppMaxStart 10338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 10348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Set configurable EAPOL state machine variables. Each variable can be set to 10358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the given value or ignored if set to -1 (to set only some of the variables). 10368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_configure(struct eapol_sm *sm, int heldPeriod, int authPeriod, 10388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int startPeriod, int maxStart) 10398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 10418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 10428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (heldPeriod >= 0) 10438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod = heldPeriod; 10448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (authPeriod >= 0) 10458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod = authPeriod; 10468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (startPeriod >= 0) 10478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod = startPeriod; 10488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (maxStart >= 0) 10498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart = maxStart; 10508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_method_name - Get EAPOL method name 10558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 10568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Static string containing name of current eap method or NULL 10578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst char * eapol_sm_get_method_name(struct eapol_sm *sm) 10598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->SUPP_PAE_state != SUPP_PAE_AUTHENTICATED || 10618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus != Authorized) 10628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 10638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_sm_get_method_name(sm->eap); 10658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE 10698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_status - Get EAPOL state machine status 10718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 10728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Buffer for status information 10738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buflen: Maximum buffer length 10748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @verbose: Whether to include verbose status information 10758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of bytes written to buf. 10768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 10778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Query EAPOL state machine for status information. This function fills in a 10788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * text area with current status information from the EAPOL state machine. If 10798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the buffer (buf) is not large enough, status information will be truncated 10808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to fit the buffer. 10818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_get_status(struct eapol_sm *sm, char *buf, size_t buflen, 10838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int verbose) 10848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int len, ret; 10868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 10878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = os_snprintf(buf, buflen, 10908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Supplicant PAE state=%s\n" 10918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "suppPortStatus=%s\n", 10928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_supp_pae_state(sm->SUPP_PAE_state), 10938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_port_status(sm->suppPortStatus)); 10948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < 0 || (size_t) len >= buflen) 10958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (verbose) { 10988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 10998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "heldPeriod=%u\n" 11008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "authPeriod=%u\n" 11018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "startPeriod=%u\n" 11028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "maxStart=%u\n" 11038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portControl=%s\n" 11048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Supplicant Backend state=%s\n", 11058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod, 11068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod, 11078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod, 11088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart, 11098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_port_control(sm->portControl), 11108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_supp_be_state(sm->SUPP_BE_state)); 11118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 11128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 11138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 11148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1116f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#ifdef CONFIG_EAP_PROXY 1117f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (sm->use_eap_proxy) 1118f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt len += eap_proxy_sm_get_status(sm->eap_proxy, 1119f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt buf + len, buflen - len, 1120f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt verbose); 1121f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt else 1122f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 11238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += eap_sm_get_status(sm->eap, buf + len, buflen - len, verbose); 11248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 11268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 11308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_mib - Get EAPOL state machine MIBs 11318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 11328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Buffer for MIB information 11338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buflen: Maximum buffer length 11348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of bytes written to buf. 11358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 11368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Query EAPOL state machine for MIB information. This function fills in a 11378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * text area with current MIB information from the EAPOL state machine. If 11388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the buffer (buf) is not large enough, MIB information will be truncated to 11398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * fit the buffer. 11408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 11418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_get_mib(struct eapol_sm *sm, char *buf, size_t buflen) 11428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 11448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 11458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 11478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf, buflen, 11498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppPaeState=%d\n" 11508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppHeldPeriod=%u\n" 11518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppAuthPeriod=%u\n" 11528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppStartPeriod=%u\n" 11538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppMaxStart=%u\n" 11548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppSuppControlledPortStatus=%s\n" 11558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppBackendPaeState=%d\n", 11568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_PAE_state, 11578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod, 11588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod, 11598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod, 11608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart, 11618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus == Authorized ? 11628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Authorized" : "Unauthorized", 11638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_BE_state); 11648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen) 11668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = ret; 11688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 11708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolFramesRx=%u\n" 11718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolFramesTx=%u\n" 11728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolStartFramesTx=%u\n" 11738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolLogoffFramesTx=%u\n" 11748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolRespFramesTx=%u\n" 11758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolReqIdFramesRx=%u\n" 11768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolReqFramesRx=%u\n" 11778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppInvalidEapolFramesRx=%u\n" 11788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapLengthErrorFramesRx=%u\n" 11798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppLastEapolFrameVersion=%u\n" 11808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppLastEapolFrameSource=" MACSTR "\n", 11818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesRx, 11828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx, 11838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolStartFramesTx, 11848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolLogoffFramesTx, 11858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolRespFramesTx, 11868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqIdFramesRx, 11878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqFramesRx, 11888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppInvalidEapolFramesRx, 11898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapLengthErrorFramesRx, 11908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppLastEapolFrameVersion, 11918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sm->dot1xSuppLastEapolFrameSource)); 11928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 11948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 11958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 11968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 11988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE */ 12008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 12038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_rx_eapol - Process received EAPOL frames 12048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 12058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @src: Source MAC address of the EAPOL packet 12068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Pointer to the beginning of the EAPOL data (EAPOL header) 12078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Length of the EAPOL frame 12088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 1 = EAPOL frame processed, 0 = not for EAPOL state machine, 12098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * -1 failure 12108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_rx_eapol(struct eapol_sm *sm, const u8 *src, const u8 *buf, 12128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len) 12138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct ieee802_1x_hdr *hdr; 12158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct ieee802_1x_eapol_key *key; 12168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int data_len; 12178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res = 1; 12188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t plen; 12198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 12218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 12228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesRx++; 12238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < sizeof(*hdr)) { 12248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppInvalidEapolFramesRx++; 12258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 12268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (const struct ieee802_1x_hdr *) buf; 12288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppLastEapolFrameVersion = hdr->version; 12298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->dot1xSuppLastEapolFrameSource, src, ETH_ALEN); 12308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hdr->version < EAPOL_VERSION) { 12318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: backwards compatibility */ 12328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plen = be_to_host16(hdr->length); 12348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plen > len - sizeof(*hdr)) { 12358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapLengthErrorFramesRx++; 12368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 12378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 12398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->conf.workaround && 12408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plen < len - sizeof(*hdr) && 12418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->type == IEEE802_1X_TYPE_EAP_PACKET && 12428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len - sizeof(*hdr) > sizeof(struct eap_hdr)) { 12438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eap_hdr *ehdr = 12448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (const struct eap_hdr *) (hdr + 1); 12458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 elen; 12468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt elen = be_to_host16(ehdr->length); 12488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (elen > plen && elen <= len - sizeof(*hdr)) { 12498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 12508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Buffalo WHR-G125 Ver.1.47 seems to send EAP-WPS 12518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * packets with too short EAPOL header length field 12528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (14 octets). This is fixed in firmware Ver.1.49. 12538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * As a workaround, fix the EAPOL header based on the 12548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * correct length in the EAP packet. 12558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Workaround - fix EAPOL " 12578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "payload length based on EAP header: " 12588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "%d -> %d", (int) plen, elen); 12598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plen = elen; 12608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 12638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data_len = plen + sizeof(*hdr); 12648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (hdr->type) { 12668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAP_PACKET: 12675605286c30e1701491bd3af974ae423727750eddDmitry Shmidt if (sm->conf.workaround) { 12685605286c30e1701491bd3af974ae423727750eddDmitry Shmidt /* 12695605286c30e1701491bd3af974ae423727750eddDmitry Shmidt * An AP has been reported to send out EAP message with 12705605286c30e1701491bd3af974ae423727750eddDmitry Shmidt * undocumented code 10 at some point near the 12715605286c30e1701491bd3af974ae423727750eddDmitry Shmidt * completion of EAP authentication. This can result in 12725605286c30e1701491bd3af974ae423727750eddDmitry Shmidt * issues with the unexpected EAP message triggering 12735605286c30e1701491bd3af974ae423727750eddDmitry Shmidt * restart of EAPOL authentication. Avoid this by 12745605286c30e1701491bd3af974ae423727750eddDmitry Shmidt * skipping the message without advancing the state 12755605286c30e1701491bd3af974ae423727750eddDmitry Shmidt * machine. 12765605286c30e1701491bd3af974ae423727750eddDmitry Shmidt */ 12775605286c30e1701491bd3af974ae423727750eddDmitry Shmidt const struct eap_hdr *ehdr = 12785605286c30e1701491bd3af974ae423727750eddDmitry Shmidt (const struct eap_hdr *) (hdr + 1); 12795605286c30e1701491bd3af974ae423727750eddDmitry Shmidt if (plen >= sizeof(*ehdr) && ehdr->code == 10) { 12805605286c30e1701491bd3af974ae423727750eddDmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Ignore EAP packet with unknown code 10"); 12815605286c30e1701491bd3af974ae423727750eddDmitry Shmidt break; 12825605286c30e1701491bd3af974ae423727750eddDmitry Shmidt } 12835605286c30e1701491bd3af974ae423727750eddDmitry Shmidt } 12845605286c30e1701491bd3af974ae423727750eddDmitry Shmidt 12858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->cached_pmk) { 12868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Trying to use PMKSA caching, but Authenticator did 12878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * not seem to have a matching entry. Need to restart 12888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL state machines. 12898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_abort_cached(sm); 12918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eapReqData); 12938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReqData = wpabuf_alloc_copy(hdr + 1, plen); 12948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapReqData) { 12958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Received EAP-Packet " 12968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame"); 12978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 1298f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#ifdef CONFIG_EAP_PROXY 1299f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (sm->use_eap_proxy) { 1300f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt eap_proxy_packet_update( 1301f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt sm->eap_proxy, 1302f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpabuf_mhead_u8(sm->eapReqData), 1303f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpabuf_len(sm->eapReqData)); 1304f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: eap_proxy " 1305f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt "EAP Req updated"); 1306f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 1307f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 13088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 13118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAPOL_KEY: 13128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plen < sizeof(*key)) { 13138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Too short EAPOL-Key " 13148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame received"); 13158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 13168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = (const struct ieee802_1x_eapol_key *) (hdr + 1); 13188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key->type == EAPOL_KEY_TYPE_WPA || 13198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->type == EAPOL_KEY_TYPE_RSN) { 13208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* WPA Supplicant takes care of this frame. */ 13218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Ignoring WPA EAPOL-Key " 13228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame in EAPOL state machines"); 13238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = 0; 13248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 13258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key->type != EAPOL_KEY_TYPE_RC4) { 13278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Ignored unknown " 13288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAPOL-Key type %d", key->type); 13298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 13308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->last_rx_key); 13328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key = os_malloc(data_len); 13338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->last_rx_key) { 13348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Received EAPOL-Key " 13358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame"); 13368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->last_rx_key, buf, data_len); 13378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key_len = data_len; 13388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->rxKey = TRUE; 13398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 13428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 13438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Received unknown EAPOL type %d", 13448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->type); 13458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppInvalidEapolFramesRx++; 13468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 13478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 13508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_tx_eapol_key - Notification about transmitted EAPOL packet 13558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine about transmitted EAPOL packet from an external 13588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * component, e.g., WPA. This will update the statistics. 13598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_tx_eapol_key(struct eapol_sm *sm) 13618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) 13638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 13648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_portEnabled - Notification about portEnabled change 13698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @enabled: New portEnabled value 13718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine about new portEnabled value. 13738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_portEnabled(struct eapol_sm *sm, Boolean enabled) 13758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portEnabled=%d", enabled); 1380fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (sm->portEnabled != enabled) 1381fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt sm->force_authorized_update = TRUE; 13828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portEnabled = enabled; 13838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_portValid - Notification about portValid change 13898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @valid: New portValid value 13918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine about new portValid value. 13938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_portValid(struct eapol_sm *sm, Boolean valid) 13958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portValid=%d", valid); 14008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = valid; 14018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 14028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_eap_success - Notification of external EAP success trigger 14078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @success: %TRUE = set success, %FALSE = clear success 14098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify the EAPOL state machine that external event has forced EAP state to 14118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * success (success = %TRUE). This can be cleared by setting success = %FALSE. 14128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called to update EAP state when WPA-PSK key handshake has 14148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * been completed successfully since WPA-PSK does not use EAP state machine. 14158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_eap_success(struct eapol_sm *sm, Boolean success) 14178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 14198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 14218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAP success=%d", success); 14228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapSuccess = success; 14238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altAccept = success; 14248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (success) 14258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_notify_success(sm->eap); 14268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 14278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_eap_fail - Notification of external EAP failure trigger 14328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @fail: %TRUE = set failure, %FALSE = clear failure 14348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine that external event has forced EAP state to 14368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * failure (fail = %TRUE). This can be cleared by setting fail = %FALSE. 14378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_eap_fail(struct eapol_sm *sm, Boolean fail) 14398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 14418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 14438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAP fail=%d", fail); 14448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapFail = fail; 14458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altReject = fail; 14468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 14478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_config - Notification of EAPOL configuration change 14528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @config: Pointer to current network EAP configuration 14548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conf: Pointer to EAPOL configuration data 14558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine that configuration has changed. config will be 14578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * stored as a backpointer to network configuration. This can be %NULL to clear 14588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the stored pointed. conf will be copied to local EAPOL/EAP configuration 14598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * data. If conf is %NULL, this part of the configuration change will be 14608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * skipped. 14618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_config(struct eapol_sm *sm, 14638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peer_config *config, 14648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eapol_config *conf) 14658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 14678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->config = config; 1470f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#ifdef CONFIG_EAP_PROXY 1471f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt sm->use_eap_proxy = eap_proxy_notify_config(sm->eap_proxy, config) > 0; 1472f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 14738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf == NULL) 14758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.accept_802_1x_keys = conf->accept_802_1x_keys; 14788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.required_keys = conf->required_keys; 14798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.fast_reauth = conf->fast_reauth; 14808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.workaround = conf->workaround; 1481f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#ifdef CONFIG_EAP_PROXY 1482f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (sm->use_eap_proxy) { 1483f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt /* Using EAP Proxy, so skip EAP state machine update */ 1484f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt return; 1485f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 1486f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 14878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eap) { 14888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_set_fast_reauth(sm->eap, conf->fast_reauth); 14898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_set_workaround(sm->eap, conf->workaround); 14908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_set_force_disabled(sm->eap, conf->eap_disabled); 1491051af73b8f8014eff33330aead0f36944b3403e6Dmitry Shmidt eap_set_external_sim(sm->eap, conf->external_sim); 14928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_key - Get master session key (MSK) from EAP 14988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @key: Pointer for key buffer 15008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Number of bytes to copy to key 15018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success (len of key available), maximum available key len 15028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (>0) if key is available but it is shorter than len, or -1 on failure. 15038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Fetch EAP keying material (MSK, eapKeyData) from EAP state machine. The key 15058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * is available only after a successful authentication. 15068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_get_key(struct eapol_sm *sm, u8 *key, size_t len) 15088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *eap_key; 15108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t eap_len; 15118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1512f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#ifdef CONFIG_EAP_PROXY 1513f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (sm->use_eap_proxy) { 1514f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt /* Get key from EAP proxy */ 1515f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (sm == NULL || !eap_proxy_key_available(sm->eap_proxy)) { 1516f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAP key not available"); 1517f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt return -1; 1518f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 1519f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt eap_key = eap_proxy_get_eapKeyData(sm->eap_proxy, &eap_len); 1520f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (eap_key == NULL) { 1521f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Failed to get " 1522f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt "eapKeyData"); 1523f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt return -1; 1524f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 1525f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt goto key_fetched; 1526f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 1527f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 15288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || !eap_key_available(sm->eap)) { 15298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAP key not available"); 15308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 15318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_key = eap_get_eapKeyData(sm->eap, &eap_len); 15338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_key == NULL) { 15348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Failed to get eapKeyData"); 15358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 15368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1537f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#ifdef CONFIG_EAP_PROXY 1538f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidtkey_fetched: 1539f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 15408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len > eap_len) { 15418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Requested key length (%lu) not " 15428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "available (len=%lu)", 15438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len, (unsigned long) eap_len); 15448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_len; 15458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(key, eap_key, len); 15478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Successfully fetched key (len=%lu)", 15488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len); 15498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 15508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_logoff - Notification of logon/logoff commands 15558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @logoff: Whether command was logoff 15578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that user requested logon/logoff. 15598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_logoff(struct eapol_sm *sm, Boolean logoff) 15618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) { 15638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->userLogoff = logoff; 15648da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt if (!logoff) { 15658da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt /* If there is a delayed txStart queued, start now. */ 15668da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt sm->startWhen = 0; 15678da800a193fb6f8832218715f82a7b4e2d2ad338Dmitry Shmidt } 15688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 15698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_pmkid_attempt - Notification of successful PMKSA caching 15758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that PMKSA caching was successful. This is used 15788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to move EAPOL and EAP state machines into authenticated/successful state. 15798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_cached(struct eapol_sm *sm) 15818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: PMKSA caching was used - skip EAPOL"); 1585d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt sm->eapSuccess = TRUE; 15868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_notify_success(sm->eap); 15878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 15888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_pmkid_attempt - Notification of PMKSA caching 15938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @attempt: Whether PMKSA caching is tried 15958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines whether PMKSA caching is used. 15978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_pmkid_attempt(struct eapol_sm *sm, int attempt) 15998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attempt) { 16038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Trying to use cached PMKSA"); 16048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cached_pmk = TRUE; 16058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 16068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Do not try to use cached PMKSA"); 16078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cached_pmk = FALSE; 16088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abort_cached(struct eapol_sm *sm) 16138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Authenticator did not accept PMKID, " 16158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "doing full EAP authentication"); 16168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cached_pmk = FALSE; 16198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_PAE_state = SUPP_PAE_CONNECTING; 16208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 16218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Make sure we do not start sending EAPOL-Start frames first, but 16238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * instead move to RESTART state to start EAPOL authentication. */ 16248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = 3; 16258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 16268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->aborted_cached) 16288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->aborted_cached(sm->ctx->ctx); 16298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_register_scard_ctx - Notification of smart card context 16348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ctx: Context data for smart card operations 16368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 16378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines of context data for smart card operations. This 16388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * context data will be used as a parameter for scard_*() functions. 16398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_register_scard_ctx(struct eapol_sm *sm, void *ctx) 16418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) { 16438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->scard_ctx = ctx; 16448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_register_scard_ctx(sm->eap, ctx); 16458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_portControl - Notification of portControl changes 16518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @portControl: New value for portControl variable 16538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 16548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that portControl variable has changed. 16558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_portControl(struct eapol_sm *sm, PortControl portControl) 16578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 16618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portControl=%s", eapol_port_control(portControl)); 16628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portControl = portControl; 16638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 16648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_ctrl_attached - Notification of attached monitor 16698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 16718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that a monitor was attached to the control 16728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * interface to trigger re-sending of pending requests for user input. 16738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_ctrl_attached(struct eapol_sm *sm) 16758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_sm_notify_ctrl_attached(sm->eap); 16798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_ctrl_response - Notification of received user input 16848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 16868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that a control response, i.e., user 16878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * input, was received in order to trigger retrying of a pending EAP request. 16888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_ctrl_response(struct eapol_sm *sm) 16908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapReqData && !sm->eapReq) { 16948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: received control response (user " 16958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "input) notification - retrying pending EAP " 16968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Request"); 16978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 16988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = TRUE; 16998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 17008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 17058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_request_reauth - Request reauthentication 17068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 17078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 17088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function can be used to request EAPOL reauthentication, e.g., when the 17098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * current PMKSA entry is nearing expiration. 17108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 17118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_request_reauth(struct eapol_sm *sm) 17128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || sm->SUPP_PAE_state != SUPP_PAE_AUTHENTICATED) 17148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 17158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txStart(sm); 17168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 17208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_lower_layer_success - Notification of lower layer success 17218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 17228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @in_eapol_sm: Whether the caller is already running inside EAPOL state 17238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * machine loop (eapol_sm_step()) 17248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 17258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL (and EAP) state machines that a lower layer has detected a 17268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * successful authentication. This is used to recover from dropped EAP-Success 17278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * messages. 17288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 17298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_lower_layer_success(struct eapol_sm *sm, int in_eapol_sm) 17308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 17328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 17338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_notify_lower_layer_success(sm->eap); 17348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!in_eapol_sm) 17358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 17368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 17408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_invalidate_cached_session - Mark cached EAP session data invalid 17418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 17428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 17438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_invalidate_cached_session(struct eapol_sm *sm) 17448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) 17468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_invalidate_cached_session(sm->eap); 17478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct eap_peer_config * eapol_sm_get_config(void *ctx) 17518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm ? sm->config : NULL; 17548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eapol_sm_get_eapReqData(void *ctx) 17588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || sm->eapReqData == NULL) 17618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 17628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapReqData; 17648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eapol_sm_get_bool(void *ctx, enum eapol_bool_var variable) 17688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 17718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 17728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 17738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapSuccess: 17748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapSuccess; 17758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapRestart: 17768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapRestart; 17778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapFail: 17788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapFail; 17798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapResp: 17808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapResp; 17818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapNoResp: 17828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapNoResp; 17838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapReq: 17848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapReq; 17858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_portEnabled: 17868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->portEnabled; 17878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altAccept: 17888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->altAccept; 17898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altReject: 17908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->altReject; 17918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 17938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_bool(void *ctx, enum eapol_bool_var variable, 17978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean value) 17988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 18008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 18018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 18028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 18038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapSuccess: 18048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapSuccess = value; 18058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 18068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapRestart: 18078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapRestart = value; 18088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 18098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapFail: 18108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapFail = value; 18118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 18128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapResp: 18138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapResp = value; 18148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 18158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapNoResp: 18168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapNoResp = value; 18178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 18188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapReq: 18198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = value; 18208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 18218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_portEnabled: 18228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portEnabled = value; 18238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 18248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altAccept: 18258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altAccept = value; 18268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 18278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altReject: 18288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altReject = value; 18298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 18308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic unsigned int eapol_sm_get_int(void *ctx, enum eapol_int_var variable) 18358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 18378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 18388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 18398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 18408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_idleWhile: 18418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->idleWhile; 18428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 18448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_int(void *ctx, enum eapol_int_var variable, 18488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int value) 18498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 18518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 18528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 18538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 18548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_idleWhile: 18558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->idleWhile = value; 185661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sm->idleWhile > 0) 185761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt eapol_enable_timer_tick(sm); 18588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 18598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_config_blob(void *ctx, struct wpa_config_blob *blob) 18648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_CONFIG_BLOBS 18668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 18678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm && sm->ctx && sm->ctx->set_config_blob) 18688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->set_config_blob(sm->ctx->ctx, blob); 18698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_CONFIG_BLOBS */ 18708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const struct wpa_config_blob * 18748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidteapol_sm_get_config_blob(void *ctx, const char *name) 18758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_CONFIG_BLOBS 18778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 18788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm && sm->ctx && sm->ctx->get_config_blob) 18798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->ctx->get_config_blob(sm->ctx->ctx, name); 18808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 18818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_NO_CONFIG_BLOBS */ 18838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_CONFIG_BLOBS */ 18858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_notify_pending(void *ctx) 18898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 18918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 18928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 18938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapReqData && !sm->eapReq) { 18948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: received notification from EAP " 18958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "state machine - retrying pending EAP Request"); 18968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 18978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = TRUE; 18988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 18998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) 19041f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic void eapol_sm_eap_param_needed(void *ctx, enum wpa_ctrl_req_type field, 19058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *txt) 19068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 19088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAP parameter needed"); 19098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->eap_param_needed) 19108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eap_param_needed(sm->ctx->ctx, field, txt); 19118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ 19138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define eapol_sm_eap_param_needed NULL 19148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ 19158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1916c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidtstatic void eapol_sm_notify_cert(void *ctx, int depth, const char *subject, 1917c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt const char *cert_hash, 1918c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt const struct wpabuf *cert) 1919c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt{ 1920c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt struct eapol_sm *sm = ctx; 1921c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt if (sm->ctx->cert_cb) 1922c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt sm->ctx->cert_cb(sm->ctx->ctx, depth, subject, 1923c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt cert_hash, cert); 1924c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt} 19258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 192604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 192704949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic void eapol_sm_notify_status(void *ctx, const char *status, 192804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const char *parameter) 192904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 193004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct eapol_sm *sm = ctx; 193104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 193204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (sm->ctx->status_cb) 193304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt sm->ctx->status_cb(sm->ctx->ctx, status, parameter); 193404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 193504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 193604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 19374530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidtstatic void eapol_sm_set_anon_id(void *ctx, const u8 *id, size_t len) 19384530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt{ 19394530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt struct eapol_sm *sm = ctx; 19404530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt 19414530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (sm->ctx->set_anon_id) 19424530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt sm->ctx->set_anon_id(sm->ctx->ctx, id, len); 19434530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt} 19444530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt 19454530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt 19468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct eapol_callbacks eapol_cb = 19478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_config, 19498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_bool, 19508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_bool, 19518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_int, 19528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_int, 19538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_eapReqData, 19548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_config_blob, 19558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_config_blob, 19568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_notify_pending, 1957c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt eapol_sm_eap_param_needed, 195804949598a23f501be6eec21697465fd46a28840aDmitry Shmidt eapol_sm_notify_cert, 19594530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt eapol_sm_notify_status, 19604530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt eapol_sm_set_anon_id 19618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 19628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 19658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_init - Initialize EAPOL state machine 19668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ctx: Pointer to EAPOL context data; this needs to be an allocated buffer 19678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and EAPOL state machine will free it in eapol_sm_deinit() 19688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to the allocated EAPOL state machine or %NULL on failure 19698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 19708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Allocate and initialize an EAPOL state machine. 19718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 19728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eapol_sm *eapol_sm_init(struct eapol_ctx *ctx) 19738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm; 19758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_config conf; 19768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm = os_zalloc(sizeof(*sm)); 19778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 19788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx = ctx; 19808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portControl = Auto; 19828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant PAE state machine */ 19848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod = 60; 19858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod = 30; 19868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart = 3; 19878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant Backend state machine */ 19898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod = 30; 19908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&conf, 0, sizeof(conf)); 19928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.opensc_engine_path = ctx->opensc_engine_path; 19938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.pkcs11_engine_path = ctx->pkcs11_engine_path; 19948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.pkcs11_module_path = ctx->pkcs11_module_path; 19958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.wps = ctx->wps; 19961f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt conf.cert_in_cb = ctx->cert_in_cb; 19978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap = eap_peer_sm_init(sm, &eapol_cb, sm->ctx->msg_ctx, &conf); 19998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eap == NULL) { 20008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm); 20018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 20028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 20038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2004f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#ifdef CONFIG_EAP_PROXY 2005f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt sm->use_eap_proxy = FALSE; 2006f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt sm->eap_proxy = eap_proxy_init(sm, &eapol_cb, sm->ctx->msg_ctx); 2007f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt if (sm->eap_proxy == NULL) { 2008f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt wpa_printf(MSG_ERROR, "Unable to initialize EAP Proxy"); 2009f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt } 2010f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 2011f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt 20128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Initialize EAPOL state machines */ 2013fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt sm->force_authorized_update = TRUE; 20148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize = TRUE; 20158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 20168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize = FALSE; 20178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 20188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->timer_tick_enabled = 1; 20208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(1, 0, eapol_port_timers_tick, NULL, sm); 20218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm; 20238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 20248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 20268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 20278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_deinit - Deinitialize EAPOL state machine 20288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 20298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 20308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Deinitialize and free EAPOL state machine. 20318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 20328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_deinit(struct eapol_sm *sm) 20338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 20348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 20358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 20368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_sm_step_timeout, NULL, sm); 20378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm); 20388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peer_sm_deinit(sm->eap); 2039f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#ifdef CONFIG_EAP_PROXY 2040f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt eap_proxy_deinit(sm->eap_proxy); 2041f86232838cf712377867cb42417c1613ab5dc425Dmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 20428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->last_rx_key); 20438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eapReqData); 20448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->ctx); 20458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm); 20468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 204761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 204861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 204961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtvoid eapol_sm_set_ext_pw_ctx(struct eapol_sm *sm, 205061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct ext_password_data *ext) 205161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 205261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sm && sm->eap) 205361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt eap_sm_set_ext_pw_ctx(sm->eap, ext); 205461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 205561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 205661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 205761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtint eapol_sm_failed(struct eapol_sm *sm) 205861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 205961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sm == NULL) 206061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return 0; 206161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return !sm->eapSuccess && sm->eapFail; 206261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 20634ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 20644ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt 20654ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidtint eapol_sm_get_eap_proxy_imsi(struct eapol_sm *sm, char *imsi, size_t *len) 20664ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt{ 20674ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt#ifdef CONFIG_EAP_PROXY 20684ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt if (sm->eap_proxy == NULL) 20694ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return -1; 20704ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return eap_proxy_get_imsi(sm->eap_proxy, imsi, len); 20714ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt#else /* CONFIG_EAP_PROXY */ 20724ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt return -1; 20734ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt#endif /* CONFIG_EAP_PROXY */ 20744ce9c87407c036fc83eb5a6044ddf976c86f53fcDmitry Shmidt} 2075