eapol_supp_sm.c revision 61d9df3e62aaa0e87ad05452fcb95142159a17b6
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" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eapol_supp_sm.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STATE_MACHINE_DATA struct eapol_sm 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STATE_MACHINE_DEBUG_PREFIX "EAPOL" 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* IEEE 802.1X-2004 - Supplicant - EAPOL state machines */ 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * struct eapol_sm - Internal data for EAPOL state machines 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eapol_sm { 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Timers */ 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int authWhile; 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int heldWhile; 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int startWhen; 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int idleWhile; /* for EAP state machine */ 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int timer_tick_enabled; 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Global variables */ 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapFail; 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapolEap; 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapSuccess; 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean initialize; 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean keyDone; 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean keyRun; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PortControl portControl; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean portEnabled; 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PortStatus suppPortStatus; /* dot1xSuppControlledPortStatus */ 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean portValid; 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppAbort; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppFail; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppStart; 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppSuccess; 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppTimeout; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant PAE state machine */ 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_UNKNOWN = 0, 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_DISCONNECTED = 1, 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_LOGOFF = 2, 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_CONNECTING = 3, 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_AUTHENTICATING = 4, 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_AUTHENTICATED = 5, 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* unused(6) */ 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_HELD = 7, 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_RESTART = 8, 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_S_FORCE_AUTH = 9, 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_S_FORCE_UNAUTH = 10 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } SUPP_PAE_state; /* dot1xSuppPaeState */ 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Variables */ 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean userLogoff; 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean logoffSent; 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int startCount; 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapRestart; 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PortControl sPortMode; 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Constants */ 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int heldPeriod; /* dot1xSuppHeldPeriod */ 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int startPeriod; /* dot1xSuppStartPeriod */ 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int maxStart; /* dot1xSuppMaxStart */ 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Key Receive state machine */ 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt KEY_RX_UNKNOWN = 0, 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt KEY_RX_NO_KEY_RECEIVE, KEY_RX_KEY_RECEIVE 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } KEY_RX_state; 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Variables */ 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean rxKey; 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant Backend state machine */ 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_UNKNOWN = 0, 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_INITIALIZE = 1, 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_IDLE = 2, 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_REQUEST = 3, 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_RECEIVE = 4, 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_RESPONSE = 5, 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_FAIL = 6, 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_TIMEOUT = 7, 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_SUCCESS = 8 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } SUPP_BE_state; /* dot1xSuppBackendPaeState */ 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Variables */ 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapNoResp; 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapReq; 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapResp; 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Constants */ 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int authPeriod; /* dot1xSuppAuthPeriod */ 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Statistics */ 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolFramesRx; 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolFramesTx; 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolStartFramesTx; 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolLogoffFramesTx; 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolRespFramesTx; 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolReqIdFramesRx; 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolReqFramesRx; 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppInvalidEapolFramesRx; 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapLengthErrorFramesRx; 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppLastEapolFrameVersion; 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned char dot1xSuppLastEapolFrameSource[6]; 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Miscellaneous variables (not defined in IEEE 802.1X-2004) */ 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean changed; 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_sm *eap; 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peer_config *config; 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean initial_req; 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *last_rx_key; 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t last_rx_key_len; 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *eapReqData; /* for EAP */ 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean altAccept; /* for EAP */ 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean altReject; /* for EAP */ 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean replay_counter_valid; 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 last_replay_counter[16]; 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_config conf; 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_ctx *ctx; 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { EAPOL_CB_IN_PROGRESS = 0, EAPOL_CB_SUCCESS, EAPOL_CB_FAILURE } 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb_status; 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean cached_pmk; 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean unicast_key_received, broadcast_key_received; 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txLogoff(struct eapol_sm *sm); 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txStart(struct eapol_sm *sm); 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_processKey(struct eapol_sm *sm); 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_getSuppRsp(struct eapol_sm *sm); 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txSuppRsp(struct eapol_sm *sm); 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abortSupp(struct eapol_sm *sm); 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abort_cached(struct eapol_sm *sm); 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_step_timeout(void *eloop_ctx, void *timeout_ctx); 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_authorized(struct eapol_sm *sm); 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_unauthorized(struct eapol_sm *sm); 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Port Timers state machine - implemented as a function that will be called 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * once a second as a registered event loop timeout */ 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_port_timers_tick(void *eloop_ctx, void *timeout_ctx) 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = timeout_ctx; 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->authWhile > 0) { 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authWhile--; 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->authWhile == 0) 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: authWhile --> 0"); 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->heldWhile > 0) { 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldWhile--; 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->heldWhile == 0) 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: heldWhile --> 0"); 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->startWhen > 0) { 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen--; 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->startWhen == 0) 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: startWhen --> 0"); 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->idleWhile > 0) { 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->idleWhile--; 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->idleWhile == 0) 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: idleWhile --> 0"); 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->authWhile | sm->heldWhile | sm->startWhen | sm->idleWhile) { 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(1, 0, eapol_port_timers_tick, eloop_ctx, 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm); 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: disable timer tick"); 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->timer_tick_enabled = 0; 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_enable_timer_tick(struct eapol_sm *sm) 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->timer_tick_enabled) 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: enable timer tick"); 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->timer_tick_enabled = 1; 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm); 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(1, 0, eapol_port_timers_tick, NULL, sm); 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, LOGOFF) 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, LOGOFF); 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txLogoff(sm); 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->logoffSent = TRUE; 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, DISCONNECTED) 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, DISCONNECTED); 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->sPortMode = Auto; 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount = 0; 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->logoffSent = FALSE; 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppAbort = TRUE; 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->unicast_key_received = FALSE; 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->broadcast_key_received = FALSE; 225c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt 226c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt /* 227c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * IEEE Std 802.1X-2004 does not clear heldWhile here, but doing so 228c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * allows the timer tick to be stopped more quickly when the port is 229c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * not enabled. Since this variable is used only within HELD state, 230c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * clearing it on initialization does not change actual state machine 231c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * behavior. 232c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt */ 233c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt sm->heldWhile = 0; 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, CONNECTING) 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int send_start = sm->SUPP_PAE_state == SUPP_PAE_CONNECTING; 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, CONNECTING); 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (send_start) { 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = sm->startPeriod; 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount++; 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Do not send EAPOL-Start immediately since in most cases, 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Authenticator is going to start authentication immediately 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * after association and an extra EAPOL-Start is just going to 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * delay authentication. Use a short timeout to send the first 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL-Start if Authenticator does not start authentication. 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Reduce latency on starting WPS negotiation. */ 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = 1; 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_WPS */ 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = 3; 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = FALSE; 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (send_start) 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txStart(sm); 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, AUTHENTICATING) 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, AUTHENTICATING); 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount = 0; 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppSuccess = FALSE; 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppFail = FALSE; 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppTimeout = FALSE; 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->keyRun = FALSE; 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->keyDone = FALSE; 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppStart = TRUE; 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, HELD) 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, HELD); 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldWhile = sm->heldPeriod; 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cb_status = EAPOL_CB_FAILURE; 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, AUTHENTICATED) 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, AUTHENTICATED); 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Authorized; 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_authorized(sm); 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cb_status = EAPOL_CB_SUCCESS; 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, RESTART) 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, RESTART); 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapRestart = TRUE; 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, S_FORCE_AUTH) 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, S_FORCE_AUTH); 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Authorized; 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_authorized(sm); 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->sPortMode = ForceAuthorized; 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, S_FORCE_UNAUTH) 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, S_FORCE_UNAUTH); 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->sPortMode = ForceUnauthorized; 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txLogoff(sm); 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STEP(SUPP_PAE) 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((sm->userLogoff && !sm->logoffSent) && 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->initialize || !sm->portEnabled)) 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, LOGOFF); 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (((sm->portControl == Auto) && 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->sPortMode != sm->portControl)) || 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize || !sm->portEnabled) 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, DISCONNECTED); 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if ((sm->portControl == ForceAuthorized) && 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->sPortMode != sm->portControl) && 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->initialize || !sm->portEnabled)) 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, S_FORCE_AUTH); 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if ((sm->portControl == ForceUnauthorized) && 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->sPortMode != sm->portControl) && 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->initialize || !sm->portEnabled)) 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, S_FORCE_UNAUTH); 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else switch (sm->SUPP_PAE_state) { 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_UNKNOWN: 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_LOGOFF: 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->userLogoff) 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, DISCONNECTED); 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_DISCONNECTED: 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_CONNECTING: 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->startWhen == 0 && sm->startCount < sm->maxStart) 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->startWhen == 0 && 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount >= sm->maxStart && 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid) 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATED); 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess || sm->eapFail) 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATING); 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapolEap) 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, RESTART); 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->startWhen == 0 && 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount >= sm->maxStart && 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !sm->portValid) 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, HELD); 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATING: 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapSuccess && !sm->portValid && 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.accept_802_1x_keys && 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.required_keys == 0) { 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: IEEE 802.1X for " 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "plaintext connection; no EAPOL-Key frames " 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "required"); 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = TRUE; 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->eapol_done_cb) 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_done_cb(sm->ctx->ctx); 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapSuccess && sm->portValid) 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATED); 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapFail || (sm->keyDone && !sm->portValid)) 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, HELD); 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->suppTimeout) 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_HELD: 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->heldWhile == 0) 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapolEap) 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, RESTART); 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATED: 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapolEap && sm->portValid) 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, RESTART); 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (!sm->portValid) 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, DISCONNECTED); 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_RESTART: 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->eapRestart) 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATING); 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_S_FORCE_AUTH: 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_S_FORCE_UNAUTH: 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(KEY_RX, NO_KEY_RECEIVE) 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(KEY_RX, NO_KEY_RECEIVE); 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(KEY_RX, KEY_RECEIVE) 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(KEY_RX, KEY_RECEIVE); 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_processKey(sm); 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->rxKey = FALSE; 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STEP(KEY_RX) 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->initialize || !sm->portEnabled) 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(KEY_RX, NO_KEY_RECEIVE); 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (sm->KEY_RX_state) { 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case KEY_RX_UNKNOWN: 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case KEY_RX_NO_KEY_RECEIVE: 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->rxKey) 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(KEY_RX, KEY_RECEIVE); 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case KEY_RX_KEY_RECEIVE: 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->rxKey) 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(KEY_RX, KEY_RECEIVE); 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, REQUEST) 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, REQUEST); 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authWhile = 0; 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = TRUE; 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_getSuppRsp(sm); 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, RESPONSE) 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, RESPONSE); 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txSuppRsp(sm); 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapResp = FALSE; 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, SUCCESS) 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, SUCCESS); 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->keyRun = TRUE; 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppSuccess = TRUE; 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_key_available(sm->eap)) { 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* New key received - clear IEEE 802.1X EAPOL-Key replay 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * counter */ 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->replay_counter_valid = FALSE; 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, FAIL) 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, FAIL); 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppFail = TRUE; 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, TIMEOUT) 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, TIMEOUT); 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppTimeout = TRUE; 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, IDLE) 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, IDLE); 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppStart = FALSE; 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initial_req = TRUE; 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, INITIALIZE) 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, INITIALIZE); 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_abortSupp(sm); 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppAbort = FALSE; 501c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt 502c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt /* 503c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * IEEE Std 802.1X-2004 does not clear authWhile here, but doing so 504c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * allows the timer tick to be stopped more quickly when the port is 505c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * not enabled. Since this variable is used only within RECEIVE state, 506c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * clearing it on initialization does not change actual state machine 507c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * behavior. 508c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt */ 509c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt sm->authWhile = 0; 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, RECEIVE) 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, RECEIVE); 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authWhile = sm->authPeriod; 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = FALSE; 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapNoResp = FALSE; 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initial_req = FALSE; 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STEP(SUPP_BE) 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->initialize || sm->suppAbort) 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_BE, INITIALIZE); 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else switch (sm->SUPP_BE_state) { 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_UNKNOWN: 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_REQUEST: 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IEEE Std 802.1X-2004 has transitions from REQUEST to FAIL 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and SUCCESS based on eapFail and eapSuccess, respectively. 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * However, IEEE Std 802.1X-2004 is also specifying that 5361f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * eapNoResp should be set in conjunction with eapSuccess and 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapFail which would mean that more than one of the 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * transitions here would be activated at the same time. 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Skipping RESPONSE and/or RECEIVE states in these cases can 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * cause problems and the direct transitions to do not seem 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * correct. Because of this, the conditions for these 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * transitions are verified only after eapNoResp. They are 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * unlikely to be used since eapNoResp should always be set if 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * either of eapSuccess or eapFail is set. 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapResp && sm->eapNoResp) { 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: SUPP_BE REQUEST: both " 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "eapResp and eapNoResp set?!"); 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapResp) 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, RESPONSE); 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapNoResp) 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, RECEIVE); 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapFail) 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, FAIL); 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess) 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, SUCCESS); 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RESPONSE: 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, RECEIVE); 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_SUCCESS: 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_FAIL: 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_TIMEOUT: 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_IDLE: 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapFail && sm->suppStart) 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, FAIL); 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapolEap && sm->suppStart) 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, REQUEST); 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess && sm->suppStart) 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, SUCCESS); 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_INITIALIZE: 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RECEIVE: 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapolEap) 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, REQUEST); 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapFail) 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, FAIL); 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->authWhile == 0) 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, TIMEOUT); 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess) 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, SUCCESS); 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txLogoff(struct eapol_sm *sm) 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: txLogoff"); 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_send(sm->ctx->eapol_send_ctx, 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE802_1X_TYPE_EAPOL_LOGOFF, (u8 *) "", 0); 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolLogoffFramesTx++; 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txStart(struct eapol_sm *sm) 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: txStart"); 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_send(sm->ctx->eapol_send_ctx, 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE802_1X_TYPE_EAPOL_START, (u8 *) "", 0); 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolStartFramesTx++; 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_ENCR_KEY_LEN 32 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_SIGN_KEY_LEN 32 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eap_key_data { 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 encr_key[IEEE8021X_ENCR_KEY_LEN]; 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 sign_key[IEEE8021X_SIGN_KEY_LEN]; 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_processKey(struct eapol_sm *sm) 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 62761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#ifndef CONFIG_FIPS 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_hdr *hdr; 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_eapol_key *key; 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_key_data keydata; 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 orig_key_sign[IEEE8021X_KEY_SIGN_LEN], datakey[32]; 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ekey[IEEE8021X_KEY_IV_LEN + IEEE8021X_ENCR_KEY_LEN]; 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int key_len, res, sign_key_len, encr_key_len; 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 rx_key_length; 63561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt size_t plen; 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: processKey"); 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->last_rx_key == NULL) 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->conf.accept_802_1x_keys) { 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Received IEEE 802.1X EAPOL-Key" 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " even though this was not accepted - " 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ignoring this packet"); 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 64861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sm->last_rx_key_len < sizeof(*hdr) + sizeof(*key)) 64961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return; 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (struct ieee802_1x_hdr *) sm->last_rx_key; 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = (struct ieee802_1x_eapol_key *) (hdr + 1); 65261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt plen = be_to_host16(hdr->length); 65361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sizeof(*hdr) + plen > sm->last_rx_key_len || plen < sizeof(*key)) { 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Too short EAPOL-Key frame"); 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rx_key_length = WPA_GET_BE16(key->key_length); 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: RX IEEE 802.1X ver=%d type=%d len=%d " 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAPOL-Key: type=%d key_length=%d key_index=0x%x", 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->version, hdr->type, be_to_host16(hdr->length), 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->type, rx_key_length, key->key_index); 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_notify_lower_layer_success(sm, 1); 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sign_key_len = IEEE8021X_SIGN_KEY_LEN; 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_key_len = IEEE8021X_ENCR_KEY_LEN; 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = eapol_sm_get_key(sm, (u8 *) &keydata, sizeof(keydata)); 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) { 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Could not get master key for " 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "decrypting EAPOL-Key keys"); 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res == 16) { 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* LEAP derives only 16 bytes of keying material. */ 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = eapol_sm_get_key(sm, (u8 *) &keydata, 16); 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res) { 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Could not get LEAP " 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "master key for decrypting EAPOL-Key keys"); 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sign_key_len = 16; 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_key_len = 16; 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(keydata.sign_key, keydata.encr_key, 16); 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (res) { 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Could not get enough master key " 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "data for decrypting EAPOL-Key keys (res=%d)", res); 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* The key replay_counter must increase when same master key */ 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->replay_counter_valid && 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(sm->last_replay_counter, key->replay_counter, 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_REPLAY_COUNTER_LEN) >= 0) { 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: EAPOL-Key replay counter did " 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not increase - ignoring key"); 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAPOL: last replay counter", 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_replay_counter, 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_REPLAY_COUNTER_LEN); 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAPOL: received replay counter", 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->replay_counter, IEEE8021X_REPLAY_COUNTER_LEN); 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Verify key signature (HMAC-MD5) */ 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(orig_key_sign, key->key_signature, IEEE8021X_KEY_SIGN_LEN); 7058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(key->key_signature, 0, IEEE8021X_KEY_SIGN_LEN); 7068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_md5(keydata.sign_key, sign_key_len, 7078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key, sizeof(*hdr) + be_to_host16(hdr->length), 7088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_signature); 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(orig_key_sign, key->key_signature, 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_KEY_SIGN_LEN) != 0) { 7118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Invalid key signature in " 7128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAPOL-Key packet"); 7138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(key->key_signature, orig_key_sign, 7148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_KEY_SIGN_LEN); 7158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAPOL-Key key signature verified"); 7188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 71961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt key_len = plen - sizeof(*key); 7208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key_len > 32 || rx_key_length > 32) { 7218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Too long key data length %d", 7228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_len ? key_len : rx_key_length); 7238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key_len == rx_key_length) { 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(ekey, key->key_iv, IEEE8021X_KEY_IV_LEN); 7278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(ekey + IEEE8021X_KEY_IV_LEN, keydata.encr_key, 7288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_key_len); 7298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(datakey, key + 1, key_len); 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rc4_skip(ekey, IEEE8021X_KEY_IV_LEN + encr_key_len, 0, 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len); 7328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAPOL: Decrypted(RC4) key", 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len); 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (key_len == 0) { 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IEEE 802.1X-2004 specifies that least significant Key Length 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * octets from MS-MPPE-Send-Key are used as the key if the key 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * data is not present. This seems to be meaning the beginning 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * of the MS-MPPE-Send-Key. In addition, MS-MPPE-Send-Key in 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Supplicant corresponds to MS-MPPE-Recv-Key in Authenticator. 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Anyway, taking the beginning of the keying material from EAP 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * seems to interoperate with Authenticators. 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_len = rx_key_length; 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(datakey, keydata.encr_key, key_len); 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAPOL: using part of EAP keying " 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "material data encryption key", 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len); 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Invalid key data length %d " 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(key_length=%d)", key_len, rx_key_length); 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->replay_counter_valid = TRUE; 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->last_replay_counter, key->replay_counter, 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_REPLAY_COUNTER_LEN); 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Setting dynamic WEP key: %s keyidx %d " 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "len %d", 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_FLAG ? 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "unicast" : "broadcast", 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_MASK, key_len); 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->set_wep_key && 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->set_wep_key(sm->ctx->ctx, 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_FLAG, 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_MASK, 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len) < 0) { 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Failed to set WEP key to the " 7718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " driver."); 7728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 7738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key->key_index & IEEE8021X_KEY_INDEX_FLAG) 7748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->unicast_key_received = TRUE; 7758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->broadcast_key_received = TRUE; 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((sm->unicast_key_received || 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->conf.required_keys & EAPOL_REQUIRE_KEY_UNICAST)) && 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->broadcast_key_received || 7818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->conf.required_keys & EAPOL_REQUIRE_KEY_BROADCAST))) 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: all required EAPOL-Key " 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frames received"); 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = TRUE; 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->eapol_done_cb) 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_done_cb(sm->ctx->ctx); 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 79061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt#endif /* CONFIG_FIPS */ 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_getSuppRsp(struct eapol_sm *sm) 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: getSuppRsp"); 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* EAP layer processing; no special code is needed, since Supplicant 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Backend state machine is waiting for eapNoResp or eapResp to be set 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and these are only set in the EAP state machine when the processing 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * has finished. */ 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txSuppRsp(struct eapol_sm *sm) 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *resp; 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: txSuppRsp"); 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt resp = eap_get_eapRespData(sm->eap); 8108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (resp == NULL) { 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: txSuppRsp - EAP response data " 8128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not available"); 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Send EAP-Packet from the EAP layer to the Authenticator */ 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_send(sm->ctx->eapol_send_ctx, 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE802_1X_TYPE_EAP_PACKET, wpabuf_head(resp), 8198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_len(resp)); 8208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* eapRespData is not used anymore, so free it here */ 8228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(resp); 8238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->initial_req) 8258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqIdFramesRx++; 8268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 8278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqFramesRx++; 8288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolRespFramesTx++; 8298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 8308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abortSupp(struct eapol_sm *sm) 8348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* release system resources that may have been allocated for the 8368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * authentication session */ 8378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->last_rx_key); 8388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key = NULL; 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eapReqData); 8408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReqData = NULL; 8418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_sm_abort(sm->eap); 8428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_step_timeout(void *eloop_ctx, void *timeout_ctx) 8468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(timeout_ctx); 8488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_authorized(struct eapol_sm *sm) 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->port_cb) 8548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->port_cb(sm->ctx->ctx, 1); 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_unauthorized(struct eapol_sm *sm) 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->port_cb) 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->port_cb(sm->ctx->ctx, 0); 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_step - EAPOL state machine step function 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called to notify the state machine about changed external 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * variables. It will step through the EAPOL state machines in loop to process 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * all triggered state changes. 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_step(struct eapol_sm *sm) 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* In theory, it should be ok to run this in loop until !changed. 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * However, it is better to use a limit on number of iterations to 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * allow events (e.g., SIGTERM) to stop the program cleanly if the 8808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * state machine were to generate a busy loop. */ 8818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < 100; i++) { 8828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->changed = FALSE; 8838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_STEP_RUN(SUPP_PAE); 8848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_STEP_RUN(KEY_RX); 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_STEP_RUN(SUPP_BE); 8868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_peer_sm_step(sm->eap)) 8878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->changed = TRUE; 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->changed) 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->changed) { 8938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* restart EAPOL state machine step from timeout call in order 8948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to allow other events to be processed. */ 8958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_sm_step_timeout, NULL, sm); 8968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(0, 0, eapol_sm_step_timeout, NULL, sm); 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->cb && sm->cb_status != EAPOL_CB_IN_PROGRESS) { 9008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int success = sm->cb_status == EAPOL_CB_SUCCESS ? 1 : 0; 9018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cb_status = EAPOL_CB_IN_PROGRESS; 9028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->cb(sm, success, sm->ctx->cb_ctx); 9038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE 9088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char *eapol_supp_pae_state(int state) 9098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (state) { 9118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_LOGOFF: 9128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "LOGOFF"; 9138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_DISCONNECTED: 9148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "DISCONNECTED"; 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_CONNECTING: 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "CONNECTING"; 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATING: 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "AUTHENTICATING"; 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_HELD: 9208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "HELD"; 9218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATED: 9228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "AUTHENTICATED"; 9238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_RESTART: 9248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "RESTART"; 9258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 9268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "UNKNOWN"; 9278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char *eapol_supp_be_state(int state) 9328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (state) { 9348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_REQUEST: 9358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "REQUEST"; 9368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RESPONSE: 9378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "RESPONSE"; 9388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_SUCCESS: 9398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "SUCCESS"; 9408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_FAIL: 9418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "FAIL"; 9428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_TIMEOUT: 9438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "TIMEOUT"; 9448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_IDLE: 9458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "IDLE"; 9468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_INITIALIZE: 9478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "INITIALIZE"; 9488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RECEIVE: 9498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "RECEIVE"; 9508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 9518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "UNKNOWN"; 9528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char * eapol_port_status(PortStatus status) 9578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (status == Authorized) 9598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Authorized"; 9608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 9618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Unauthorized"; 9628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE */ 9648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) 9678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char * eapol_port_control(PortControl ctrl) 9688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (ctrl) { 9708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case Auto: 9718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Auto"; 9728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case ForceUnauthorized: 9738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "ForceUnauthorized"; 9748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case ForceAuthorized: 9758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "ForceAuthorized"; 9768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 9778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Unknown"; 9788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ 9818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 9848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_configure - Set EAPOL variables 9858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 9868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @heldPeriod: dot1xSuppHeldPeriod 9878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @authPeriod: dot1xSuppAuthPeriod 9888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @startPeriod: dot1xSuppStartPeriod 9898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @maxStart: dot1xSuppMaxStart 9908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 9918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Set configurable EAPOL state machine variables. Each variable can be set to 9928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the given value or ignored if set to -1 (to set only some of the variables). 9938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_configure(struct eapol_sm *sm, int heldPeriod, int authPeriod, 9958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int startPeriod, int maxStart) 9968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 9988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 9998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (heldPeriod >= 0) 10008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod = heldPeriod; 10018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (authPeriod >= 0) 10028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod = authPeriod; 10038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (startPeriod >= 0) 10048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod = startPeriod; 10058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (maxStart >= 0) 10068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart = maxStart; 10078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_method_name - Get EAPOL method name 10128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 10138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Static string containing name of current eap method or NULL 10148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst char * eapol_sm_get_method_name(struct eapol_sm *sm) 10168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->SUPP_PAE_state != SUPP_PAE_AUTHENTICATED || 10188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus != Authorized) 10198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 10208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_sm_get_method_name(sm->eap); 10228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE 10268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_status - Get EAPOL state machine status 10288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 10298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Buffer for status information 10308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buflen: Maximum buffer length 10318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @verbose: Whether to include verbose status information 10328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of bytes written to buf. 10338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 10348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Query EAPOL state machine for status information. This function fills in a 10358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * text area with current status information from the EAPOL state machine. If 10368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the buffer (buf) is not large enough, status information will be truncated 10378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to fit the buffer. 10388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_get_status(struct eapol_sm *sm, char *buf, size_t buflen, 10408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int verbose) 10418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int len, ret; 10438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 10448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = os_snprintf(buf, buflen, 10478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Supplicant PAE state=%s\n" 10488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "suppPortStatus=%s\n", 10498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_supp_pae_state(sm->SUPP_PAE_state), 10508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_port_status(sm->suppPortStatus)); 10518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < 0 || (size_t) len >= buflen) 10528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (verbose) { 10558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 10568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "heldPeriod=%u\n" 10578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "authPeriod=%u\n" 10588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "startPeriod=%u\n" 10598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "maxStart=%u\n" 10608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portControl=%s\n" 10618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Supplicant Backend state=%s\n", 10628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod, 10638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod, 10648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod, 10658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart, 10668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_port_control(sm->portControl), 10678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_supp_be_state(sm->SUPP_BE_state)); 10688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 10698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 10708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 10718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += eap_sm_get_status(sm->eap, buf + len, buflen - len, verbose); 10748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 10768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_mib - Get EAPOL state machine MIBs 10818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 10828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Buffer for MIB information 10838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buflen: Maximum buffer length 10848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of bytes written to buf. 10858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 10868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Query EAPOL state machine for MIB information. This function fills in a 10878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * text area with current MIB information from the EAPOL state machine. If 10888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the buffer (buf) is not large enough, MIB information will be truncated to 10898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * fit the buffer. 10908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_get_mib(struct eapol_sm *sm, char *buf, size_t buflen) 10928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 10948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 10958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 10978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf, buflen, 10998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppPaeState=%d\n" 11008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppHeldPeriod=%u\n" 11018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppAuthPeriod=%u\n" 11028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppStartPeriod=%u\n" 11038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppMaxStart=%u\n" 11048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppSuppControlledPortStatus=%s\n" 11058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppBackendPaeState=%d\n", 11068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_PAE_state, 11078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod, 11088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod, 11098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod, 11108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart, 11118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus == Authorized ? 11128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Authorized" : "Unauthorized", 11138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_BE_state); 11148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen) 11168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = ret; 11188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 11208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolFramesRx=%u\n" 11218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolFramesTx=%u\n" 11228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolStartFramesTx=%u\n" 11238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolLogoffFramesTx=%u\n" 11248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolRespFramesTx=%u\n" 11258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolReqIdFramesRx=%u\n" 11268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolReqFramesRx=%u\n" 11278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppInvalidEapolFramesRx=%u\n" 11288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapLengthErrorFramesRx=%u\n" 11298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppLastEapolFrameVersion=%u\n" 11308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppLastEapolFrameSource=" MACSTR "\n", 11318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesRx, 11328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx, 11338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolStartFramesTx, 11348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolLogoffFramesTx, 11358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolRespFramesTx, 11368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqIdFramesRx, 11378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqFramesRx, 11388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppInvalidEapolFramesRx, 11398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapLengthErrorFramesRx, 11408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppLastEapolFrameVersion, 11418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sm->dot1xSuppLastEapolFrameSource)); 11428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 11448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 11458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 11468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 11488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE */ 11508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 11538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_rx_eapol - Process received EAPOL frames 11548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 11558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @src: Source MAC address of the EAPOL packet 11568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Pointer to the beginning of the EAPOL data (EAPOL header) 11578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Length of the EAPOL frame 11588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 1 = EAPOL frame processed, 0 = not for EAPOL state machine, 11598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * -1 failure 11608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 11618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_rx_eapol(struct eapol_sm *sm, const u8 *src, const u8 *buf, 11628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len) 11638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct ieee802_1x_hdr *hdr; 11658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct ieee802_1x_eapol_key *key; 11668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int data_len; 11678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res = 1; 11688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t plen; 11698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 11718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesRx++; 11738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < sizeof(*hdr)) { 11748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppInvalidEapolFramesRx++; 11758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (const struct ieee802_1x_hdr *) buf; 11788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppLastEapolFrameVersion = hdr->version; 11798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->dot1xSuppLastEapolFrameSource, src, ETH_ALEN); 11808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hdr->version < EAPOL_VERSION) { 11818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: backwards compatibility */ 11828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plen = be_to_host16(hdr->length); 11848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plen > len - sizeof(*hdr)) { 11858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapLengthErrorFramesRx++; 11868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 11898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->conf.workaround && 11908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plen < len - sizeof(*hdr) && 11918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->type == IEEE802_1X_TYPE_EAP_PACKET && 11928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len - sizeof(*hdr) > sizeof(struct eap_hdr)) { 11938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eap_hdr *ehdr = 11948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (const struct eap_hdr *) (hdr + 1); 11958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 elen; 11968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt elen = be_to_host16(ehdr->length); 11988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (elen > plen && elen <= len - sizeof(*hdr)) { 11998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 12008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Buffalo WHR-G125 Ver.1.47 seems to send EAP-WPS 12018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * packets with too short EAPOL header length field 12028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (14 octets). This is fixed in firmware Ver.1.49. 12038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * As a workaround, fix the EAPOL header based on the 12048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * correct length in the EAP packet. 12058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Workaround - fix EAPOL " 12078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "payload length based on EAP header: " 12088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "%d -> %d", (int) plen, elen); 12098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plen = elen; 12108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 12138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data_len = plen + sizeof(*hdr); 12148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (hdr->type) { 12168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAP_PACKET: 12178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->cached_pmk) { 12188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Trying to use PMKSA caching, but Authenticator did 12198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * not seem to have a matching entry. Need to restart 12208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL state machines. 12218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_abort_cached(sm); 12238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eapReqData); 12258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReqData = wpabuf_alloc_copy(hdr + 1, plen); 12268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapReqData) { 12278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Received EAP-Packet " 12288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame"); 12298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 12308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 12318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAPOL_KEY: 12348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plen < sizeof(*key)) { 12358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Too short EAPOL-Key " 12368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame received"); 12378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = (const struct ieee802_1x_eapol_key *) (hdr + 1); 12408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key->type == EAPOL_KEY_TYPE_WPA || 12418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->type == EAPOL_KEY_TYPE_RSN) { 12428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* WPA Supplicant takes care of this frame. */ 12438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Ignoring WPA EAPOL-Key " 12448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame in EAPOL state machines"); 12458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = 0; 12468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key->type != EAPOL_KEY_TYPE_RC4) { 12498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Ignored unknown " 12508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAPOL-Key type %d", key->type); 12518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->last_rx_key); 12548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key = os_malloc(data_len); 12558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->last_rx_key) { 12568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Received EAPOL-Key " 12578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame"); 12588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->last_rx_key, buf, data_len); 12598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key_len = data_len; 12608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->rxKey = TRUE; 12618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 12628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 12658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Received unknown EAPOL type %d", 12668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->type); 12678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppInvalidEapolFramesRx++; 12688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 12728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 12768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_tx_eapol_key - Notification about transmitted EAPOL packet 12778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 12788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 12798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine about transmitted EAPOL packet from an external 12808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * component, e.g., WPA. This will update the statistics. 12818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_tx_eapol_key(struct eapol_sm *sm) 12838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) 12858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 12868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 12908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_portEnabled - Notification about portEnabled change 12918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 12928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @enabled: New portEnabled value 12938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 12948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine about new portEnabled value. 12958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_portEnabled(struct eapol_sm *sm, Boolean enabled) 12978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 12998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portEnabled=%d", enabled); 13028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portEnabled = enabled; 13038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_portValid - Notification about portValid change 13098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @valid: New portValid value 13118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine about new portValid value. 13138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_portValid(struct eapol_sm *sm, Boolean valid) 13158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portValid=%d", valid); 13208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = valid; 13218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_eap_success - Notification of external EAP success trigger 13278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @success: %TRUE = set success, %FALSE = clear success 13298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify the EAPOL state machine that external event has forced EAP state to 13318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * success (success = %TRUE). This can be cleared by setting success = %FALSE. 13328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called to update EAP state when WPA-PSK key handshake has 13348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * been completed successfully since WPA-PSK does not use EAP state machine. 13358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_eap_success(struct eapol_sm *sm, Boolean success) 13378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAP success=%d", success); 13428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapSuccess = success; 13438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altAccept = success; 13448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (success) 13458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_notify_success(sm->eap); 13468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_eap_fail - Notification of external EAP failure trigger 13528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @fail: %TRUE = set failure, %FALSE = clear failure 13548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine that external event has forced EAP state to 13568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * failure (fail = %TRUE). This can be cleared by setting fail = %FALSE. 13578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_eap_fail(struct eapol_sm *sm, Boolean fail) 13598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAP fail=%d", fail); 13648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapFail = fail; 13658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altReject = fail; 13668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_config - Notification of EAPOL configuration change 13728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @config: Pointer to current network EAP configuration 13748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conf: Pointer to EAPOL configuration data 13758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine that configuration has changed. config will be 13778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * stored as a backpointer to network configuration. This can be %NULL to clear 13788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the stored pointed. conf will be copied to local EAPOL/EAP configuration 13798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * data. If conf is %NULL, this part of the configuration change will be 13808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * skipped. 13818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_config(struct eapol_sm *sm, 13838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peer_config *config, 13848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eapol_config *conf) 13858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->config = config; 13908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf == NULL) 13928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.accept_802_1x_keys = conf->accept_802_1x_keys; 13958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.required_keys = conf->required_keys; 13968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.fast_reauth = conf->fast_reauth; 13978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.workaround = conf->workaround; 13988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eap) { 13998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_set_fast_reauth(sm->eap, conf->fast_reauth); 14008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_set_workaround(sm->eap, conf->workaround); 14018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_set_force_disabled(sm->eap, conf->eap_disabled); 14028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_key - Get master session key (MSK) from EAP 14088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @key: Pointer for key buffer 14108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Number of bytes to copy to key 14118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success (len of key available), maximum available key len 14128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (>0) if key is available but it is shorter than len, or -1 on failure. 14138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Fetch EAP keying material (MSK, eapKeyData) from EAP state machine. The key 14158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * is available only after a successful authentication. 14168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_get_key(struct eapol_sm *sm, u8 *key, size_t len) 14188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *eap_key; 14208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t eap_len; 14218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || !eap_key_available(sm->eap)) { 14238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAP key not available"); 14248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_key = eap_get_eapKeyData(sm->eap, &eap_len); 14278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_key == NULL) { 14288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Failed to get eapKeyData"); 14298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len > eap_len) { 14328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Requested key length (%lu) not " 14338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "available (len=%lu)", 14348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len, (unsigned long) eap_len); 14358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_len; 14368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(key, eap_key, len); 14388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Successfully fetched key (len=%lu)", 14398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len); 14408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_logoff - Notification of logon/logoff commands 14468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @logoff: Whether command was logoff 14488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that user requested logon/logoff. 14508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_logoff(struct eapol_sm *sm, Boolean logoff) 14528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) { 14548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->userLogoff = logoff; 14558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 14568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_pmkid_attempt - Notification of successful PMKSA caching 14628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that PMKSA caching was successful. This is used 14658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to move EAPOL and EAP state machines into authenticated/successful state. 14668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_cached(struct eapol_sm *sm) 14688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 14708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: PMKSA caching was used - skip EAPOL"); 14728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_PAE_state = SUPP_PAE_AUTHENTICATED; 14738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Authorized; 14748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_authorized(sm); 14758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = TRUE; 14768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_notify_success(sm->eap); 14778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 14788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_pmkid_attempt - Notification of PMKSA caching 14838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @attempt: Whether PMKSA caching is tried 14858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines whether PMKSA caching is used. 14878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_pmkid_attempt(struct eapol_sm *sm, int attempt) 14898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 14918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attempt) { 14938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Trying to use cached PMKSA"); 14948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cached_pmk = TRUE; 14958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 14968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Do not try to use cached PMKSA"); 14978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cached_pmk = FALSE; 14988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abort_cached(struct eapol_sm *sm) 15038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Authenticator did not accept PMKID, " 15058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "doing full EAP authentication"); 15068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cached_pmk = FALSE; 15098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_PAE_state = SUPP_PAE_CONNECTING; 15108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 15118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 15128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Make sure we do not start sending EAPOL-Start frames first, but 15148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * instead move to RESTART state to start EAPOL authentication. */ 15158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = 3; 15168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 15178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->aborted_cached) 15198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->aborted_cached(sm->ctx->ctx); 15208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_register_scard_ctx - Notification of smart card context 15258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ctx: Context data for smart card operations 15278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines of context data for smart card operations. This 15298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * context data will be used as a parameter for scard_*() functions. 15308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_register_scard_ctx(struct eapol_sm *sm, void *ctx) 15328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) { 15348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->scard_ctx = ctx; 15358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_register_scard_ctx(sm->eap, ctx); 15368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_portControl - Notification of portControl changes 15428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @portControl: New value for portControl variable 15448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that portControl variable has changed. 15468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_portControl(struct eapol_sm *sm, PortControl portControl) 15488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 15528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portControl=%s", eapol_port_control(portControl)); 15538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portControl = portControl; 15548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 15558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_ctrl_attached - Notification of attached monitor 15608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that a monitor was attached to the control 15638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * interface to trigger re-sending of pending requests for user input. 15648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_ctrl_attached(struct eapol_sm *sm) 15668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_sm_notify_ctrl_attached(sm->eap); 15708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_ctrl_response - Notification of received user input 15758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that a control response, i.e., user 15788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * input, was received in order to trigger retrying of a pending EAP request. 15798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_ctrl_response(struct eapol_sm *sm) 15818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapReqData && !sm->eapReq) { 15858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: received control response (user " 15868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "input) notification - retrying pending EAP " 15878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Request"); 15888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 15898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = TRUE; 15908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 15918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_request_reauth - Request reauthentication 15978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function can be used to request EAPOL reauthentication, e.g., when the 16008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * current PMKSA entry is nearing expiration. 16018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_request_reauth(struct eapol_sm *sm) 16038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || sm->SUPP_PAE_state != SUPP_PAE_AUTHENTICATED) 16058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txStart(sm); 16078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_lower_layer_success - Notification of lower layer success 16128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @in_eapol_sm: Whether the caller is already running inside EAPOL state 16148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * machine loop (eapol_sm_step()) 16158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 16168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL (and EAP) state machines that a lower layer has detected a 16178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * successful authentication. This is used to recover from dropped EAP-Success 16188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * messages. 16198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_lower_layer_success(struct eapol_sm *sm, int in_eapol_sm) 16218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_notify_lower_layer_success(sm->eap); 16258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!in_eapol_sm) 16268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 16278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_invalidate_cached_session - Mark cached EAP session data invalid 16328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_invalidate_cached_session(struct eapol_sm *sm) 16358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) 16378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_invalidate_cached_session(sm->eap); 16388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct eap_peer_config * eapol_sm_get_config(void *ctx) 16428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 16448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm ? sm->config : NULL; 16458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eapol_sm_get_eapReqData(void *ctx) 16498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 16518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || sm->eapReqData == NULL) 16528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 16538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapReqData; 16558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eapol_sm_get_bool(void *ctx, enum eapol_bool_var variable) 16598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 16618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 16638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 16648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapSuccess: 16658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapSuccess; 16668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapRestart: 16678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapRestart; 16688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapFail: 16698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapFail; 16708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapResp: 16718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapResp; 16728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapNoResp: 16738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapNoResp; 16748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapReq: 16758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapReq; 16768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_portEnabled: 16778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->portEnabled; 16788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altAccept: 16798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->altAccept; 16808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altReject: 16818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->altReject; 16828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 16848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_bool(void *ctx, enum eapol_bool_var variable, 16888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean value) 16898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 16918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 16948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapSuccess: 16958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapSuccess = value; 16968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 16978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapRestart: 16988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapRestart = value; 16998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapFail: 17018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapFail = value; 17028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapResp: 17048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapResp = value; 17058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapNoResp: 17078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapNoResp = value; 17088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapReq: 17108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = value; 17118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_portEnabled: 17138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portEnabled = value; 17148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altAccept: 17168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altAccept = value; 17178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altReject: 17198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altReject = value; 17208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic unsigned int eapol_sm_get_int(void *ctx, enum eapol_int_var variable) 17268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 17298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 17318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_idleWhile: 17328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->idleWhile; 17338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_int(void *ctx, enum eapol_int_var variable, 17398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int value) 17408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 17438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 17448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 17458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_idleWhile: 17468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->idleWhile = value; 174761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sm->idleWhile > 0) 174861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt eapol_enable_timer_tick(sm); 17498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_config_blob(void *ctx, struct wpa_config_blob *blob) 17558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_CONFIG_BLOBS 17578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm && sm->ctx && sm->ctx->set_config_blob) 17598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->set_config_blob(sm->ctx->ctx, blob); 17608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_CONFIG_BLOBS */ 17618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const struct wpa_config_blob * 17658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidteapol_sm_get_config_blob(void *ctx, const char *name) 17668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_CONFIG_BLOBS 17688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm && sm->ctx && sm->ctx->get_config_blob) 17708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->ctx->get_config_blob(sm->ctx->ctx, name); 17718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 17728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 17738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_NO_CONFIG_BLOBS */ 17748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 17758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_CONFIG_BLOBS */ 17768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_notify_pending(void *ctx) 17808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 17838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 17848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapReqData && !sm->eapReq) { 17858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: received notification from EAP " 17868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "state machine - retrying pending EAP Request"); 17878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 17888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = TRUE; 17898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 17908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) 17951f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic void eapol_sm_eap_param_needed(void *ctx, enum wpa_ctrl_req_type field, 17968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *txt) 17978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAP parameter needed"); 18008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->eap_param_needed) 18018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eap_param_needed(sm->ctx->ctx, field, txt); 18028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ 18048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define eapol_sm_eap_param_needed NULL 18058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ 18068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1807c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidtstatic void eapol_sm_notify_cert(void *ctx, int depth, const char *subject, 1808c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt const char *cert_hash, 1809c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt const struct wpabuf *cert) 1810c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt{ 1811c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt struct eapol_sm *sm = ctx; 1812c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt if (sm->ctx->cert_cb) 1813c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt sm->ctx->cert_cb(sm->ctx->ctx, depth, subject, 1814c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt cert_hash, cert); 1815c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt} 18168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 181704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 181804949598a23f501be6eec21697465fd46a28840aDmitry Shmidtstatic void eapol_sm_notify_status(void *ctx, const char *status, 181904949598a23f501be6eec21697465fd46a28840aDmitry Shmidt const char *parameter) 182004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt{ 182104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt struct eapol_sm *sm = ctx; 182204949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 182304949598a23f501be6eec21697465fd46a28840aDmitry Shmidt if (sm->ctx->status_cb) 182404949598a23f501be6eec21697465fd46a28840aDmitry Shmidt sm->ctx->status_cb(sm->ctx->ctx, status, parameter); 182504949598a23f501be6eec21697465fd46a28840aDmitry Shmidt} 182604949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 182704949598a23f501be6eec21697465fd46a28840aDmitry Shmidt 18288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct eapol_callbacks eapol_cb = 18298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_config, 18318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_bool, 18328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_bool, 18338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_int, 18348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_int, 18358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_eapReqData, 18368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_config_blob, 18378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_config_blob, 18388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_notify_pending, 1839c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt eapol_sm_eap_param_needed, 184004949598a23f501be6eec21697465fd46a28840aDmitry Shmidt eapol_sm_notify_cert, 184104949598a23f501be6eec21697465fd46a28840aDmitry Shmidt eapol_sm_notify_status 18428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 18438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 18468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_init - Initialize EAPOL state machine 18478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ctx: Pointer to EAPOL context data; this needs to be an allocated buffer 18488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and EAPOL state machine will free it in eapol_sm_deinit() 18498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to the allocated EAPOL state machine or %NULL on failure 18508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 18518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Allocate and initialize an EAPOL state machine. 18528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 18538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eapol_sm *eapol_sm_init(struct eapol_ctx *ctx) 18548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm; 18568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_config conf; 18578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm = os_zalloc(sizeof(*sm)); 18588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 18598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx = ctx; 18618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portControl = Auto; 18638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant PAE state machine */ 18658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod = 60; 18668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod = 30; 18678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart = 3; 18688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant Backend state machine */ 18708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod = 30; 18718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&conf, 0, sizeof(conf)); 18738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.opensc_engine_path = ctx->opensc_engine_path; 18748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.pkcs11_engine_path = ctx->pkcs11_engine_path; 18758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.pkcs11_module_path = ctx->pkcs11_module_path; 18768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.wps = ctx->wps; 18771f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt conf.cert_in_cb = ctx->cert_in_cb; 18788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap = eap_peer_sm_init(sm, &eapol_cb, sm->ctx->msg_ctx, &conf); 18808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eap == NULL) { 18818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm); 18828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Initialize EAPOL state machines */ 18868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize = TRUE; 18878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 18888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize = FALSE; 18898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 18908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->timer_tick_enabled = 1; 18928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(1, 0, eapol_port_timers_tick, NULL, sm); 18938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm; 18958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 18998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_deinit - Deinitialize EAPOL state machine 19008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 19018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 19028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Deinitialize and free EAPOL state machine. 19038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 19048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_deinit(struct eapol_sm *sm) 19058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 19078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 19088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_sm_step_timeout, NULL, sm); 19098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm); 19108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peer_sm_deinit(sm->eap); 19118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->last_rx_key); 19128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eapReqData); 19138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->ctx); 19148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm); 19158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 191661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 191761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 191861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtvoid eapol_sm_set_ext_pw_ctx(struct eapol_sm *sm, 191961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt struct ext_password_data *ext) 192061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 192161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sm && sm->eap) 192261d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt eap_sm_set_ext_pw_ctx(sm->eap, ext); 192361d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 192461d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 192561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt 192661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidtint eapol_sm_failed(struct eapol_sm *sm) 192761d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt{ 192861d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt if (sm == NULL) 192961d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return 0; 193061d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt return !sm->eapSuccess && sm->eapFail; 193161d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt} 1932