eapol_supp_sm.c revision 1f69aa52ea2e0a73ac502565df8c666ee49cab6a
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL supplicant state machines 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 58d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This program is free software; you can redistribute it and/or modify 68d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * it under the terms of the GNU General Public License version 2 as 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * published by the Free Software Foundation. 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Alternatively, this software may be distributed under the terms of BSD 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * license. 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * See README and COPYING for more details. 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "includes.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common.h" 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "state_machine.h" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpabuf.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eloop.h" 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/crypto.h" 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/md5.h" 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/eapol_common.h" 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_peer/eap.h" 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eapol_supp_sm.h" 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STATE_MACHINE_DATA struct eapol_sm 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STATE_MACHINE_DEBUG_PREFIX "EAPOL" 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* IEEE 802.1X-2004 - Supplicant - EAPOL state machines */ 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * struct eapol_sm - Internal data for EAPOL state machines 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eapol_sm { 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Timers */ 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int authWhile; 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int heldWhile; 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int startWhen; 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int idleWhile; /* for EAP state machine */ 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int timer_tick_enabled; 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Global variables */ 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapFail; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapolEap; 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapSuccess; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean initialize; 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean keyDone; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean keyRun; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PortControl portControl; 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean portEnabled; 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PortStatus suppPortStatus; /* dot1xSuppControlledPortStatus */ 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean portValid; 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppAbort; 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppFail; 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppStart; 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppSuccess; 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppTimeout; 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant PAE state machine */ 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_UNKNOWN = 0, 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_DISCONNECTED = 1, 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_LOGOFF = 2, 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_CONNECTING = 3, 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_AUTHENTICATING = 4, 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_AUTHENTICATED = 5, 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* unused(6) */ 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_HELD = 7, 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_RESTART = 8, 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_S_FORCE_AUTH = 9, 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_S_FORCE_UNAUTH = 10 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } SUPP_PAE_state; /* dot1xSuppPaeState */ 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Variables */ 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean userLogoff; 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean logoffSent; 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int startCount; 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapRestart; 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PortControl sPortMode; 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Constants */ 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int heldPeriod; /* dot1xSuppHeldPeriod */ 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int startPeriod; /* dot1xSuppStartPeriod */ 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int maxStart; /* dot1xSuppMaxStart */ 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Key Receive state machine */ 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt KEY_RX_UNKNOWN = 0, 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt KEY_RX_NO_KEY_RECEIVE, KEY_RX_KEY_RECEIVE 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } KEY_RX_state; 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Variables */ 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean rxKey; 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant Backend state machine */ 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_UNKNOWN = 0, 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_INITIALIZE = 1, 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_IDLE = 2, 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_REQUEST = 3, 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_RECEIVE = 4, 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_RESPONSE = 5, 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_FAIL = 6, 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_TIMEOUT = 7, 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_SUCCESS = 8 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } SUPP_BE_state; /* dot1xSuppBackendPaeState */ 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Variables */ 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapNoResp; 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapReq; 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapResp; 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Constants */ 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int authPeriod; /* dot1xSuppAuthPeriod */ 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Statistics */ 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolFramesRx; 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolFramesTx; 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolStartFramesTx; 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolLogoffFramesTx; 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolRespFramesTx; 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolReqIdFramesRx; 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolReqFramesRx; 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppInvalidEapolFramesRx; 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapLengthErrorFramesRx; 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppLastEapolFrameVersion; 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned char dot1xSuppLastEapolFrameSource[6]; 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Miscellaneous variables (not defined in IEEE 802.1X-2004) */ 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean changed; 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_sm *eap; 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peer_config *config; 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean initial_req; 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *last_rx_key; 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t last_rx_key_len; 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *eapReqData; /* for EAP */ 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean altAccept; /* for EAP */ 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean altReject; /* for EAP */ 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean replay_counter_valid; 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 last_replay_counter[16]; 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_config conf; 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_ctx *ctx; 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { EAPOL_CB_IN_PROGRESS = 0, EAPOL_CB_SUCCESS, EAPOL_CB_FAILURE } 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb_status; 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean cached_pmk; 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean unicast_key_received, broadcast_key_received; 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_REPLAY_COUNTER_LEN 8 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_KEY_SIGN_LEN 16 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_KEY_IV_LEN 16 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_KEY_INDEX_FLAG 0x80 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_KEY_INDEX_MASK 0x03 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef _MSC_VER 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#pragma pack(push, 1) 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* _MSC_VER */ 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct ieee802_1x_eapol_key { 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 type; 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Note: key_length is unaligned */ 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 key_length[2]; 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* does not repeat within the life of the keying material used to 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * encrypt the Key field; 64-bit NTP timestamp MAY be used here */ 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 replay_counter[IEEE8021X_REPLAY_COUNTER_LEN]; 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 key_iv[IEEE8021X_KEY_IV_LEN]; /* cryptographically random number */ 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 key_index; /* key flag in the most significant bit: 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 0 = broadcast (default key), 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 1 = unicast (key mapping key); key index is in the 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 7 least significant bits */ 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* HMAC-MD5 message integrity check computed with MS-MPPE-Send-Key as 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the key */ 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 key_signature[IEEE8021X_KEY_SIGN_LEN]; 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* followed by key: if packet body length = 44 + key length, then the 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * key field (of key_length bytes) contains the key in encrypted form; 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * if packet body length = 44, key field is absent and key_length 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * represents the number of least significant octets from 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * MS-MPPE-Send-Key attribute to be used as the keying material; 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * RC4 key used in encryption = Key-IV + MS-MPPE-Recv-Key */ 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} STRUCT_PACKED; 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef _MSC_VER 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#pragma pack(pop) 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* _MSC_VER */ 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txLogoff(struct eapol_sm *sm); 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txStart(struct eapol_sm *sm); 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_processKey(struct eapol_sm *sm); 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_getSuppRsp(struct eapol_sm *sm); 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txSuppRsp(struct eapol_sm *sm); 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abortSupp(struct eapol_sm *sm); 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abort_cached(struct eapol_sm *sm); 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_step_timeout(void *eloop_ctx, void *timeout_ctx); 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_authorized(struct eapol_sm *sm); 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_unauthorized(struct eapol_sm *sm); 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Port Timers state machine - implemented as a function that will be called 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * once a second as a registered event loop timeout */ 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_port_timers_tick(void *eloop_ctx, void *timeout_ctx) 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = timeout_ctx; 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->authWhile > 0) { 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authWhile--; 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->authWhile == 0) 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: authWhile --> 0"); 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->heldWhile > 0) { 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldWhile--; 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->heldWhile == 0) 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: heldWhile --> 0"); 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->startWhen > 0) { 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen--; 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->startWhen == 0) 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: startWhen --> 0"); 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->idleWhile > 0) { 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->idleWhile--; 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->idleWhile == 0) 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: idleWhile --> 0"); 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->authWhile | sm->heldWhile | sm->startWhen | sm->idleWhile) { 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(1, 0, eapol_port_timers_tick, eloop_ctx, 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm); 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: disable timer tick"); 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->timer_tick_enabled = 0; 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_enable_timer_tick(struct eapol_sm *sm) 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->timer_tick_enabled) 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: enable timer tick"); 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->timer_tick_enabled = 1; 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm); 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(1, 0, eapol_port_timers_tick, NULL, sm); 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, LOGOFF) 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, LOGOFF); 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txLogoff(sm); 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->logoffSent = TRUE; 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, DISCONNECTED) 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, DISCONNECTED); 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->sPortMode = Auto; 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount = 0; 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->logoffSent = FALSE; 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppAbort = TRUE; 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->unicast_key_received = FALSE; 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->broadcast_key_received = FALSE; 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, CONNECTING) 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int send_start = sm->SUPP_PAE_state == SUPP_PAE_CONNECTING; 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, CONNECTING); 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (send_start) { 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = sm->startPeriod; 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount++; 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Do not send EAPOL-Start immediately since in most cases, 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Authenticator is going to start authentication immediately 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * after association and an extra EAPOL-Start is just going to 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * delay authentication. Use a short timeout to send the first 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL-Start if Authenticator does not start authentication. 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Reduce latency on starting WPS negotiation. */ 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = 1; 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_WPS */ 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = 3; 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = FALSE; 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (send_start) 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txStart(sm); 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, AUTHENTICATING) 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, AUTHENTICATING); 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount = 0; 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppSuccess = FALSE; 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppFail = FALSE; 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppTimeout = FALSE; 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->keyRun = FALSE; 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->keyDone = FALSE; 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppStart = TRUE; 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, HELD) 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, HELD); 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldWhile = sm->heldPeriod; 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cb_status = EAPOL_CB_FAILURE; 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, AUTHENTICATED) 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, AUTHENTICATED); 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Authorized; 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_authorized(sm); 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cb_status = EAPOL_CB_SUCCESS; 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, RESTART) 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, RESTART); 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapRestart = TRUE; 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, S_FORCE_AUTH) 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, S_FORCE_AUTH); 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Authorized; 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_authorized(sm); 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->sPortMode = ForceAuthorized; 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, S_FORCE_UNAUTH) 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, S_FORCE_UNAUTH); 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->sPortMode = ForceUnauthorized; 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txLogoff(sm); 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STEP(SUPP_PAE) 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((sm->userLogoff && !sm->logoffSent) && 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->initialize || !sm->portEnabled)) 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, LOGOFF); 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (((sm->portControl == Auto) && 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->sPortMode != sm->portControl)) || 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize || !sm->portEnabled) 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, DISCONNECTED); 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if ((sm->portControl == ForceAuthorized) && 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->sPortMode != sm->portControl) && 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->initialize || !sm->portEnabled)) 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, S_FORCE_AUTH); 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if ((sm->portControl == ForceUnauthorized) && 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->sPortMode != sm->portControl) && 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->initialize || !sm->portEnabled)) 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, S_FORCE_UNAUTH); 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else switch (sm->SUPP_PAE_state) { 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_UNKNOWN: 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_LOGOFF: 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->userLogoff) 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, DISCONNECTED); 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_DISCONNECTED: 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_CONNECTING: 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->startWhen == 0 && sm->startCount < sm->maxStart) 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->startWhen == 0 && 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount >= sm->maxStart && 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid) 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATED); 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess || sm->eapFail) 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATING); 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapolEap) 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, RESTART); 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->startWhen == 0 && 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount >= sm->maxStart && 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !sm->portValid) 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, HELD); 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATING: 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapSuccess && !sm->portValid && 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.accept_802_1x_keys && 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.required_keys == 0) { 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: IEEE 802.1X for " 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "plaintext connection; no EAPOL-Key frames " 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "required"); 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = TRUE; 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->eapol_done_cb) 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_done_cb(sm->ctx->ctx); 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapSuccess && sm->portValid) 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATED); 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapFail || (sm->keyDone && !sm->portValid)) 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, HELD); 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->suppTimeout) 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_HELD: 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->heldWhile == 0) 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapolEap) 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, RESTART); 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATED: 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapolEap && sm->portValid) 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, RESTART); 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (!sm->portValid) 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, DISCONNECTED); 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_RESTART: 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->eapRestart) 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATING); 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_S_FORCE_AUTH: 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_S_FORCE_UNAUTH: 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(KEY_RX, NO_KEY_RECEIVE) 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(KEY_RX, NO_KEY_RECEIVE); 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(KEY_RX, KEY_RECEIVE) 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(KEY_RX, KEY_RECEIVE); 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_processKey(sm); 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->rxKey = FALSE; 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STEP(KEY_RX) 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->initialize || !sm->portEnabled) 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(KEY_RX, NO_KEY_RECEIVE); 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (sm->KEY_RX_state) { 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case KEY_RX_UNKNOWN: 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case KEY_RX_NO_KEY_RECEIVE: 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->rxKey) 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(KEY_RX, KEY_RECEIVE); 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case KEY_RX_KEY_RECEIVE: 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->rxKey) 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(KEY_RX, KEY_RECEIVE); 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, REQUEST) 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, REQUEST); 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authWhile = 0; 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = TRUE; 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_getSuppRsp(sm); 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, RESPONSE) 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, RESPONSE); 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txSuppRsp(sm); 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapResp = FALSE; 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, SUCCESS) 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, SUCCESS); 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->keyRun = TRUE; 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppSuccess = TRUE; 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_key_available(sm->eap)) { 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* New key received - clear IEEE 802.1X EAPOL-Key replay 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * counter */ 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->replay_counter_valid = FALSE; 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, FAIL) 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, FAIL); 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppFail = TRUE; 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, TIMEOUT) 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, TIMEOUT); 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppTimeout = TRUE; 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, IDLE) 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, IDLE); 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppStart = FALSE; 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initial_req = TRUE; 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, INITIALIZE) 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, INITIALIZE); 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_abortSupp(sm); 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppAbort = FALSE; 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, RECEIVE) 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, RECEIVE); 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authWhile = sm->authPeriod; 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = FALSE; 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapNoResp = FALSE; 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initial_req = FALSE; 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STEP(SUPP_BE) 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->initialize || sm->suppAbort) 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_BE, INITIALIZE); 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else switch (sm->SUPP_BE_state) { 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_UNKNOWN: 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_REQUEST: 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IEEE Std 802.1X-2004 has transitions from REQUEST to FAIL 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and SUCCESS based on eapFail and eapSuccess, respectively. 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * However, IEEE Std 802.1X-2004 is also specifying that 5641f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * eapNoResp should be set in conjunction with eapSuccess and 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapFail which would mean that more than one of the 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * transitions here would be activated at the same time. 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Skipping RESPONSE and/or RECEIVE states in these cases can 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * cause problems and the direct transitions to do not seem 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * correct. Because of this, the conditions for these 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * transitions are verified only after eapNoResp. They are 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * unlikely to be used since eapNoResp should always be set if 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * either of eapSuccess or eapFail is set. 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapResp && sm->eapNoResp) { 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: SUPP_BE REQUEST: both " 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "eapResp and eapNoResp set?!"); 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapResp) 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, RESPONSE); 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapNoResp) 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, RECEIVE); 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapFail) 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, FAIL); 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess) 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, SUCCESS); 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RESPONSE: 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, RECEIVE); 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_SUCCESS: 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_FAIL: 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_TIMEOUT: 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_IDLE: 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapFail && sm->suppStart) 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, FAIL); 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapolEap && sm->suppStart) 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, REQUEST); 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess && sm->suppStart) 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, SUCCESS); 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_INITIALIZE: 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RECEIVE: 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapolEap) 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, REQUEST); 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapFail) 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, FAIL); 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->authWhile == 0) 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, TIMEOUT); 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess) 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, SUCCESS); 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txLogoff(struct eapol_sm *sm) 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: txLogoff"); 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_send(sm->ctx->eapol_send_ctx, 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE802_1X_TYPE_EAPOL_LOGOFF, (u8 *) "", 0); 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolLogoffFramesTx++; 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txStart(struct eapol_sm *sm) 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: txStart"); 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_send(sm->ctx->eapol_send_ctx, 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE802_1X_TYPE_EAPOL_START, (u8 *) "", 0); 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolStartFramesTx++; 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_ENCR_KEY_LEN 32 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_SIGN_KEY_LEN 32 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eap_key_data { 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 encr_key[IEEE8021X_ENCR_KEY_LEN]; 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 sign_key[IEEE8021X_SIGN_KEY_LEN]; 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_processKey(struct eapol_sm *sm) 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_hdr *hdr; 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_eapol_key *key; 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_key_data keydata; 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 orig_key_sign[IEEE8021X_KEY_SIGN_LEN], datakey[32]; 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ekey[IEEE8021X_KEY_IV_LEN + IEEE8021X_ENCR_KEY_LEN]; 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int key_len, res, sign_key_len, encr_key_len; 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 rx_key_length; 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: processKey"); 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->last_rx_key == NULL) 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->conf.accept_802_1x_keys) { 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Received IEEE 802.1X EAPOL-Key" 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " even though this was not accepted - " 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ignoring this packet"); 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (struct ieee802_1x_hdr *) sm->last_rx_key; 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = (struct ieee802_1x_eapol_key *) (hdr + 1); 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sizeof(*hdr) + be_to_host16(hdr->length) > sm->last_rx_key_len) { 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Too short EAPOL-Key frame"); 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rx_key_length = WPA_GET_BE16(key->key_length); 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: RX IEEE 802.1X ver=%d type=%d len=%d " 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAPOL-Key: type=%d key_length=%d key_index=0x%x", 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->version, hdr->type, be_to_host16(hdr->length), 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->type, rx_key_length, key->key_index); 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_notify_lower_layer_success(sm, 1); 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sign_key_len = IEEE8021X_SIGN_KEY_LEN; 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_key_len = IEEE8021X_ENCR_KEY_LEN; 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = eapol_sm_get_key(sm, (u8 *) &keydata, sizeof(keydata)); 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) { 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Could not get master key for " 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "decrypting EAPOL-Key keys"); 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res == 16) { 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* LEAP derives only 16 bytes of keying material. */ 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = eapol_sm_get_key(sm, (u8 *) &keydata, 16); 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res) { 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Could not get LEAP " 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "master key for decrypting EAPOL-Key keys"); 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sign_key_len = 16; 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_key_len = 16; 7058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(keydata.sign_key, keydata.encr_key, 16); 7068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (res) { 7078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Could not get enough master key " 7088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "data for decrypting EAPOL-Key keys (res=%d)", res); 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* The key replay_counter must increase when same master key */ 7138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->replay_counter_valid && 7148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(sm->last_replay_counter, key->replay_counter, 7158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_REPLAY_COUNTER_LEN) >= 0) { 7168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: EAPOL-Key replay counter did " 7178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not increase - ignoring key"); 7188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAPOL: last replay counter", 7198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_replay_counter, 7208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_REPLAY_COUNTER_LEN); 7218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAPOL: received replay counter", 7228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->replay_counter, IEEE8021X_REPLAY_COUNTER_LEN); 7238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Verify key signature (HMAC-MD5) */ 7278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(orig_key_sign, key->key_signature, IEEE8021X_KEY_SIGN_LEN); 7288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(key->key_signature, 0, IEEE8021X_KEY_SIGN_LEN); 7298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_md5(keydata.sign_key, sign_key_len, 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key, sizeof(*hdr) + be_to_host16(hdr->length), 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_signature); 7328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(orig_key_sign, key->key_signature, 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_KEY_SIGN_LEN) != 0) { 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Invalid key signature in " 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAPOL-Key packet"); 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(key->key_signature, orig_key_sign, 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_KEY_SIGN_LEN); 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAPOL-Key key signature verified"); 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_len = be_to_host16(hdr->length) - sizeof(*key); 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key_len > 32 || rx_key_length > 32) { 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Too long key data length %d", 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_len ? key_len : rx_key_length); 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key_len == rx_key_length) { 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(ekey, key->key_iv, IEEE8021X_KEY_IV_LEN); 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(ekey + IEEE8021X_KEY_IV_LEN, keydata.encr_key, 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_key_len); 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(datakey, key + 1, key_len); 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rc4_skip(ekey, IEEE8021X_KEY_IV_LEN + encr_key_len, 0, 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len); 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAPOL: Decrypted(RC4) key", 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len); 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (key_len == 0) { 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IEEE 802.1X-2004 specifies that least significant Key Length 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * octets from MS-MPPE-Send-Key are used as the key if the key 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * data is not present. This seems to be meaning the beginning 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * of the MS-MPPE-Send-Key. In addition, MS-MPPE-Send-Key in 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Supplicant corresponds to MS-MPPE-Recv-Key in Authenticator. 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Anyway, taking the beginning of the keying material from EAP 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * seems to interoperate with Authenticators. 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_len = rx_key_length; 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(datakey, keydata.encr_key, key_len); 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAPOL: using part of EAP keying " 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "material data encryption key", 7718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len); 7728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 7738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Invalid key data length %d " 7748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(key_length=%d)", key_len, rx_key_length); 7758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->replay_counter_valid = TRUE; 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->last_replay_counter, key->replay_counter, 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_REPLAY_COUNTER_LEN); 7818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Setting dynamic WEP key: %s keyidx %d " 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "len %d", 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_FLAG ? 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "unicast" : "broadcast", 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_MASK, key_len); 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->set_wep_key && 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->set_wep_key(sm->ctx->ctx, 7908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_FLAG, 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_MASK, 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len) < 0) { 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Failed to set WEP key to the " 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " driver."); 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key->key_index & IEEE8021X_KEY_INDEX_FLAG) 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->unicast_key_received = TRUE; 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->broadcast_key_received = TRUE; 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((sm->unicast_key_received || 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->conf.required_keys & EAPOL_REQUIRE_KEY_UNICAST)) && 8038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->broadcast_key_received || 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->conf.required_keys & EAPOL_REQUIRE_KEY_BROADCAST))) 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: all required EAPOL-Key " 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frames received"); 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = TRUE; 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->eapol_done_cb) 8108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_done_cb(sm->ctx->ctx); 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_getSuppRsp(struct eapol_sm *sm) 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: getSuppRsp"); 8198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* EAP layer processing; no special code is needed, since Supplicant 8208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Backend state machine is waiting for eapNoResp or eapResp to be set 8218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and these are only set in the EAP state machine when the processing 8228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * has finished. */ 8238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txSuppRsp(struct eapol_sm *sm) 8278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *resp; 8298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: txSuppRsp"); 8318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt resp = eap_get_eapRespData(sm->eap); 8328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (resp == NULL) { 8338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: txSuppRsp - EAP response data " 8348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not available"); 8358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Send EAP-Packet from the EAP layer to the Authenticator */ 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_send(sm->ctx->eapol_send_ctx, 8408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE802_1X_TYPE_EAP_PACKET, wpabuf_head(resp), 8418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_len(resp)); 8428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* eapRespData is not used anymore, so free it here */ 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(resp); 8458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->initial_req) 8478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqIdFramesRx++; 8488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 8498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqFramesRx++; 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolRespFramesTx++; 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abortSupp(struct eapol_sm *sm) 8568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* release system resources that may have been allocated for the 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * authentication session */ 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->last_rx_key); 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key = NULL; 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eapReqData); 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReqData = NULL; 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_sm_abort(sm->eap); 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_step_timeout(void *eloop_ctx, void *timeout_ctx) 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(timeout_ctx); 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_authorized(struct eapol_sm *sm) 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->port_cb) 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->port_cb(sm->ctx->ctx, 1); 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_unauthorized(struct eapol_sm *sm) 8818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->port_cb) 8838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->port_cb(sm->ctx->ctx, 0); 8848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_step - EAPOL state machine step function 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called to notify the state machine about changed external 8928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * variables. It will step through the EAPOL state machines in loop to process 8938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * all triggered state changes. 8948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_step(struct eapol_sm *sm) 8968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 8988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* In theory, it should be ok to run this in loop until !changed. 9008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * However, it is better to use a limit on number of iterations to 9018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * allow events (e.g., SIGTERM) to stop the program cleanly if the 9028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * state machine were to generate a busy loop. */ 9038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < 100; i++) { 9048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->changed = FALSE; 9058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_STEP_RUN(SUPP_PAE); 9068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_STEP_RUN(KEY_RX); 9078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_STEP_RUN(SUPP_BE); 9088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_peer_sm_step(sm->eap)) 9098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->changed = TRUE; 9108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->changed) 9118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 9128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->changed) { 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* restart EAPOL state machine step from timeout call in order 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to allow other events to be processed. */ 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_sm_step_timeout, NULL, sm); 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(0, 0, eapol_sm_step_timeout, NULL, sm); 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->cb && sm->cb_status != EAPOL_CB_IN_PROGRESS) { 9228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int success = sm->cb_status == EAPOL_CB_SUCCESS ? 1 : 0; 9238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cb_status = EAPOL_CB_IN_PROGRESS; 9248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->cb(sm, success, sm->ctx->cb_ctx); 9258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE 9308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char *eapol_supp_pae_state(int state) 9318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (state) { 9338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_LOGOFF: 9348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "LOGOFF"; 9358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_DISCONNECTED: 9368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "DISCONNECTED"; 9378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_CONNECTING: 9388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "CONNECTING"; 9398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATING: 9408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "AUTHENTICATING"; 9418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_HELD: 9428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "HELD"; 9438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATED: 9448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "AUTHENTICATED"; 9458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_RESTART: 9468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "RESTART"; 9478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 9488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "UNKNOWN"; 9498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char *eapol_supp_be_state(int state) 9548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (state) { 9568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_REQUEST: 9578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "REQUEST"; 9588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RESPONSE: 9598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "RESPONSE"; 9608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_SUCCESS: 9618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "SUCCESS"; 9628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_FAIL: 9638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "FAIL"; 9648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_TIMEOUT: 9658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "TIMEOUT"; 9668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_IDLE: 9678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "IDLE"; 9688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_INITIALIZE: 9698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "INITIALIZE"; 9708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RECEIVE: 9718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "RECEIVE"; 9728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 9738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "UNKNOWN"; 9748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char * eapol_port_status(PortStatus status) 9798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (status == Authorized) 9818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Authorized"; 9828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 9838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Unauthorized"; 9848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE */ 9868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) 9898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char * eapol_port_control(PortControl ctrl) 9908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (ctrl) { 9928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case Auto: 9938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Auto"; 9948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case ForceUnauthorized: 9958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "ForceUnauthorized"; 9968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case ForceAuthorized: 9978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "ForceAuthorized"; 9988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 9998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Unknown"; 10008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ 10038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_configure - Set EAPOL variables 10078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 10088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @heldPeriod: dot1xSuppHeldPeriod 10098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @authPeriod: dot1xSuppAuthPeriod 10108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @startPeriod: dot1xSuppStartPeriod 10118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @maxStart: dot1xSuppMaxStart 10128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 10138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Set configurable EAPOL state machine variables. Each variable can be set to 10148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the given value or ignored if set to -1 (to set only some of the variables). 10158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_configure(struct eapol_sm *sm, int heldPeriod, int authPeriod, 10178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int startPeriod, int maxStart) 10188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 10208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 10218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (heldPeriod >= 0) 10228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod = heldPeriod; 10238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (authPeriod >= 0) 10248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod = authPeriod; 10258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (startPeriod >= 0) 10268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod = startPeriod; 10278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (maxStart >= 0) 10288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart = maxStart; 10298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_method_name - Get EAPOL method name 10348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 10358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Static string containing name of current eap method or NULL 10368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst char * eapol_sm_get_method_name(struct eapol_sm *sm) 10388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->SUPP_PAE_state != SUPP_PAE_AUTHENTICATED || 10408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus != Authorized) 10418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 10428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_sm_get_method_name(sm->eap); 10448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE 10488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_status - Get EAPOL state machine status 10508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 10518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Buffer for status information 10528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buflen: Maximum buffer length 10538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @verbose: Whether to include verbose status information 10548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of bytes written to buf. 10558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 10568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Query EAPOL state machine for status information. This function fills in a 10578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * text area with current status information from the EAPOL state machine. If 10588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the buffer (buf) is not large enough, status information will be truncated 10598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to fit the buffer. 10608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_get_status(struct eapol_sm *sm, char *buf, size_t buflen, 10628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int verbose) 10638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int len, ret; 10658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 10668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = os_snprintf(buf, buflen, 10698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Supplicant PAE state=%s\n" 10708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "suppPortStatus=%s\n", 10718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_supp_pae_state(sm->SUPP_PAE_state), 10728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_port_status(sm->suppPortStatus)); 10738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < 0 || (size_t) len >= buflen) 10748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (verbose) { 10778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 10788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "heldPeriod=%u\n" 10798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "authPeriod=%u\n" 10808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "startPeriod=%u\n" 10818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "maxStart=%u\n" 10828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portControl=%s\n" 10838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Supplicant Backend state=%s\n", 10848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod, 10858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod, 10868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod, 10878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart, 10888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_port_control(sm->portControl), 10898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_supp_be_state(sm->SUPP_BE_state)); 10908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 10918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 10928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 10938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += eap_sm_get_status(sm->eap, buf + len, buflen - len, verbose); 10968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 10988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 11028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_mib - Get EAPOL state machine MIBs 11038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 11048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Buffer for MIB information 11058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buflen: Maximum buffer length 11068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of bytes written to buf. 11078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 11088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Query EAPOL state machine for MIB information. This function fills in a 11098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * text area with current MIB information from the EAPOL state machine. If 11108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the buffer (buf) is not large enough, MIB information will be truncated to 11118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * fit the buffer. 11128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 11138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_get_mib(struct eapol_sm *sm, char *buf, size_t buflen) 11148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 11168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 11178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 11198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf, buflen, 11218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppPaeState=%d\n" 11228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppHeldPeriod=%u\n" 11238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppAuthPeriod=%u\n" 11248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppStartPeriod=%u\n" 11258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppMaxStart=%u\n" 11268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppSuppControlledPortStatus=%s\n" 11278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppBackendPaeState=%d\n", 11288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_PAE_state, 11298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod, 11308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod, 11318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod, 11328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart, 11338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus == Authorized ? 11348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Authorized" : "Unauthorized", 11358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_BE_state); 11368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen) 11388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = ret; 11408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 11428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolFramesRx=%u\n" 11438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolFramesTx=%u\n" 11448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolStartFramesTx=%u\n" 11458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolLogoffFramesTx=%u\n" 11468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolRespFramesTx=%u\n" 11478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolReqIdFramesRx=%u\n" 11488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolReqFramesRx=%u\n" 11498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppInvalidEapolFramesRx=%u\n" 11508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapLengthErrorFramesRx=%u\n" 11518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppLastEapolFrameVersion=%u\n" 11528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppLastEapolFrameSource=" MACSTR "\n", 11538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesRx, 11548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx, 11558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolStartFramesTx, 11568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolLogoffFramesTx, 11578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolRespFramesTx, 11588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqIdFramesRx, 11598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqFramesRx, 11608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppInvalidEapolFramesRx, 11618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapLengthErrorFramesRx, 11628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppLastEapolFrameVersion, 11638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sm->dot1xSuppLastEapolFrameSource)); 11648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 11668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 11678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 11688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 11708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE */ 11728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 11758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_rx_eapol - Process received EAPOL frames 11768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 11778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @src: Source MAC address of the EAPOL packet 11788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Pointer to the beginning of the EAPOL data (EAPOL header) 11798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Length of the EAPOL frame 11808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 1 = EAPOL frame processed, 0 = not for EAPOL state machine, 11818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * -1 failure 11828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 11838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_rx_eapol(struct eapol_sm *sm, const u8 *src, const u8 *buf, 11848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len) 11858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct ieee802_1x_hdr *hdr; 11878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct ieee802_1x_eapol_key *key; 11888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int data_len; 11898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res = 1; 11908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t plen; 11918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 11938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesRx++; 11958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < sizeof(*hdr)) { 11968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppInvalidEapolFramesRx++; 11978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (const struct ieee802_1x_hdr *) buf; 12008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppLastEapolFrameVersion = hdr->version; 12018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->dot1xSuppLastEapolFrameSource, src, ETH_ALEN); 12028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hdr->version < EAPOL_VERSION) { 12038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: backwards compatibility */ 12048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plen = be_to_host16(hdr->length); 12068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plen > len - sizeof(*hdr)) { 12078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapLengthErrorFramesRx++; 12088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 12098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 12118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->conf.workaround && 12128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plen < len - sizeof(*hdr) && 12138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->type == IEEE802_1X_TYPE_EAP_PACKET && 12148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len - sizeof(*hdr) > sizeof(struct eap_hdr)) { 12158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eap_hdr *ehdr = 12168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (const struct eap_hdr *) (hdr + 1); 12178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 elen; 12188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt elen = be_to_host16(ehdr->length); 12208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (elen > plen && elen <= len - sizeof(*hdr)) { 12218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 12228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Buffalo WHR-G125 Ver.1.47 seems to send EAP-WPS 12238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * packets with too short EAPOL header length field 12248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (14 octets). This is fixed in firmware Ver.1.49. 12258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * As a workaround, fix the EAPOL header based on the 12268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * correct length in the EAP packet. 12278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Workaround - fix EAPOL " 12298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "payload length based on EAP header: " 12308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "%d -> %d", (int) plen, elen); 12318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plen = elen; 12328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 12358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data_len = plen + sizeof(*hdr); 12368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (hdr->type) { 12388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAP_PACKET: 12398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->cached_pmk) { 12408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Trying to use PMKSA caching, but Authenticator did 12418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * not seem to have a matching entry. Need to restart 12428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL state machines. 12438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_abort_cached(sm); 12458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eapReqData); 12478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReqData = wpabuf_alloc_copy(hdr + 1, plen); 12488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapReqData) { 12498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Received EAP-Packet " 12508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame"); 12518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 12528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 12538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAPOL_KEY: 12568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plen < sizeof(*key)) { 12578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Too short EAPOL-Key " 12588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame received"); 12598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = (const struct ieee802_1x_eapol_key *) (hdr + 1); 12628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key->type == EAPOL_KEY_TYPE_WPA || 12638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->type == EAPOL_KEY_TYPE_RSN) { 12648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* WPA Supplicant takes care of this frame. */ 12658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Ignoring WPA EAPOL-Key " 12668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame in EAPOL state machines"); 12678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = 0; 12688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key->type != EAPOL_KEY_TYPE_RC4) { 12718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Ignored unknown " 12728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAPOL-Key type %d", key->type); 12738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->last_rx_key); 12768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key = os_malloc(data_len); 12778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->last_rx_key) { 12788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Received EAPOL-Key " 12798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame"); 12808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->last_rx_key, buf, data_len); 12818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key_len = data_len; 12828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->rxKey = TRUE; 12838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 12848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 12878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Received unknown EAPOL type %d", 12888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->type); 12898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppInvalidEapolFramesRx++; 12908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 12948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 12988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_tx_eapol_key - Notification about transmitted EAPOL packet 12998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine about transmitted EAPOL packet from an external 13028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * component, e.g., WPA. This will update the statistics. 13038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_tx_eapol_key(struct eapol_sm *sm) 13058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) 13078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 13088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_portEnabled - Notification about portEnabled change 13138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @enabled: New portEnabled value 13158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine about new portEnabled value. 13178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_portEnabled(struct eapol_sm *sm, Boolean enabled) 13198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portEnabled=%d", enabled); 13248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portEnabled = enabled; 13258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_portValid - Notification about portValid change 13318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @valid: New portValid value 13338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine about new portValid value. 13358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_portValid(struct eapol_sm *sm, Boolean valid) 13378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portValid=%d", valid); 13428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = valid; 13438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_eap_success - Notification of external EAP success trigger 13498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @success: %TRUE = set success, %FALSE = clear success 13518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify the EAPOL state machine that external event has forced EAP state to 13538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * success (success = %TRUE). This can be cleared by setting success = %FALSE. 13548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called to update EAP state when WPA-PSK key handshake has 13568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * been completed successfully since WPA-PSK does not use EAP state machine. 13578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_eap_success(struct eapol_sm *sm, Boolean success) 13598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAP success=%d", success); 13648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapSuccess = success; 13658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altAccept = success; 13668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (success) 13678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_notify_success(sm->eap); 13688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_eap_fail - Notification of external EAP failure trigger 13748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @fail: %TRUE = set failure, %FALSE = clear failure 13768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine that external event has forced EAP state to 13788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * failure (fail = %TRUE). This can be cleared by setting fail = %FALSE. 13798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_eap_fail(struct eapol_sm *sm, Boolean fail) 13818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAP fail=%d", fail); 13868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapFail = fail; 13878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altReject = fail; 13888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_config - Notification of EAPOL configuration change 13948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @config: Pointer to current network EAP configuration 13968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conf: Pointer to EAPOL configuration data 13978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine that configuration has changed. config will be 13998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * stored as a backpointer to network configuration. This can be %NULL to clear 14008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the stored pointed. conf will be copied to local EAPOL/EAP configuration 14018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * data. If conf is %NULL, this part of the configuration change will be 14028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * skipped. 14038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_config(struct eapol_sm *sm, 14058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peer_config *config, 14068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eapol_config *conf) 14078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 14098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->config = config; 14128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf == NULL) 14148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.accept_802_1x_keys = conf->accept_802_1x_keys; 14178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.required_keys = conf->required_keys; 14188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.fast_reauth = conf->fast_reauth; 14198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.workaround = conf->workaround; 14208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eap) { 14218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_set_fast_reauth(sm->eap, conf->fast_reauth); 14228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_set_workaround(sm->eap, conf->workaround); 14238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_set_force_disabled(sm->eap, conf->eap_disabled); 14248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_key - Get master session key (MSK) from EAP 14308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @key: Pointer for key buffer 14328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Number of bytes to copy to key 14338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success (len of key available), maximum available key len 14348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (>0) if key is available but it is shorter than len, or -1 on failure. 14358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Fetch EAP keying material (MSK, eapKeyData) from EAP state machine. The key 14378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * is available only after a successful authentication. 14388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_get_key(struct eapol_sm *sm, u8 *key, size_t len) 14408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *eap_key; 14428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t eap_len; 14438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || !eap_key_available(sm->eap)) { 14458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAP key not available"); 14468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_key = eap_get_eapKeyData(sm->eap, &eap_len); 14498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_key == NULL) { 14508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Failed to get eapKeyData"); 14518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len > eap_len) { 14548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Requested key length (%lu) not " 14558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "available (len=%lu)", 14568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len, (unsigned long) eap_len); 14578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_len; 14588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(key, eap_key, len); 14608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Successfully fetched key (len=%lu)", 14618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len); 14628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_logoff - Notification of logon/logoff commands 14688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @logoff: Whether command was logoff 14708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that user requested logon/logoff. 14728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_logoff(struct eapol_sm *sm, Boolean logoff) 14748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) { 14768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->userLogoff = logoff; 14778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 14788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_pmkid_attempt - Notification of successful PMKSA caching 14848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that PMKSA caching was successful. This is used 14878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to move EAPOL and EAP state machines into authenticated/successful state. 14888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_cached(struct eapol_sm *sm) 14908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 14928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: PMKSA caching was used - skip EAPOL"); 14948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_PAE_state = SUPP_PAE_AUTHENTICATED; 14958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Authorized; 14968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_authorized(sm); 14978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = TRUE; 14988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_notify_success(sm->eap); 14998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 15008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_pmkid_attempt - Notification of PMKSA caching 15058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @attempt: Whether PMKSA caching is tried 15078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines whether PMKSA caching is used. 15098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_pmkid_attempt(struct eapol_sm *sm, int attempt) 15118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attempt) { 15158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Trying to use cached PMKSA"); 15168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cached_pmk = TRUE; 15178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 15188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Do not try to use cached PMKSA"); 15198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cached_pmk = FALSE; 15208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abort_cached(struct eapol_sm *sm) 15258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Authenticator did not accept PMKID, " 15278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "doing full EAP authentication"); 15288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cached_pmk = FALSE; 15318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_PAE_state = SUPP_PAE_CONNECTING; 15328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 15338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 15348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Make sure we do not start sending EAPOL-Start frames first, but 15368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * instead move to RESTART state to start EAPOL authentication. */ 15378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = 3; 15388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 15398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->aborted_cached) 15418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->aborted_cached(sm->ctx->ctx); 15428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_register_scard_ctx - Notification of smart card context 15478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ctx: Context data for smart card operations 15498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines of context data for smart card operations. This 15518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * context data will be used as a parameter for scard_*() functions. 15528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_register_scard_ctx(struct eapol_sm *sm, void *ctx) 15548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) { 15568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->scard_ctx = ctx; 15578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_register_scard_ctx(sm->eap, ctx); 15588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_portControl - Notification of portControl changes 15648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @portControl: New value for portControl variable 15668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that portControl variable has changed. 15688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_portControl(struct eapol_sm *sm, PortControl portControl) 15708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 15748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portControl=%s", eapol_port_control(portControl)); 15758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portControl = portControl; 15768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 15778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_ctrl_attached - Notification of attached monitor 15828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that a monitor was attached to the control 15858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * interface to trigger re-sending of pending requests for user input. 15868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_ctrl_attached(struct eapol_sm *sm) 15888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_sm_notify_ctrl_attached(sm->eap); 15928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_ctrl_response - Notification of received user input 15978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that a control response, i.e., user 16008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * input, was received in order to trigger retrying of a pending EAP request. 16018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_ctrl_response(struct eapol_sm *sm) 16038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapReqData && !sm->eapReq) { 16078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: received control response (user " 16088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "input) notification - retrying pending EAP " 16098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Request"); 16108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 16118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = TRUE; 16128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 16138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_request_reauth - Request reauthentication 16198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 16218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function can be used to request EAPOL reauthentication, e.g., when the 16228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * current PMKSA entry is nearing expiration. 16238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_request_reauth(struct eapol_sm *sm) 16258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || sm->SUPP_PAE_state != SUPP_PAE_AUTHENTICATED) 16278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txStart(sm); 16298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_lower_layer_success - Notification of lower layer success 16348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @in_eapol_sm: Whether the caller is already running inside EAPOL state 16368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * machine loop (eapol_sm_step()) 16378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 16388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL (and EAP) state machines that a lower layer has detected a 16398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * successful authentication. This is used to recover from dropped EAP-Success 16408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * messages. 16418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_lower_layer_success(struct eapol_sm *sm, int in_eapol_sm) 16438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_notify_lower_layer_success(sm->eap); 16478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!in_eapol_sm) 16488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 16498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_invalidate_cached_session - Mark cached EAP session data invalid 16548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_invalidate_cached_session(struct eapol_sm *sm) 16578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) 16598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_invalidate_cached_session(sm->eap); 16608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct eap_peer_config * eapol_sm_get_config(void *ctx) 16648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 16668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm ? sm->config : NULL; 16678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eapol_sm_get_eapReqData(void *ctx) 16718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 16738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || sm->eapReqData == NULL) 16748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 16758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapReqData; 16778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eapol_sm_get_bool(void *ctx, enum eapol_bool_var variable) 16818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 16838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 16858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 16868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapSuccess: 16878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapSuccess; 16888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapRestart: 16898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapRestart; 16908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapFail: 16918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapFail; 16928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapResp: 16938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapResp; 16948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapNoResp: 16958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapNoResp; 16968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapReq: 16978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapReq; 16988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_portEnabled: 16998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->portEnabled; 17008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altAccept: 17018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->altAccept; 17028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altReject: 17038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->altReject; 17048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 17068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_bool(void *ctx, enum eapol_bool_var variable, 17108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean value) 17118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 17148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 17158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 17168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapSuccess: 17178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapSuccess = value; 17188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapRestart: 17208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapRestart = value; 17218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapFail: 17238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapFail = value; 17248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapResp: 17268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapResp = value; 17278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapNoResp: 17298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapNoResp = value; 17308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapReq: 17328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = value; 17338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_portEnabled: 17358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portEnabled = value; 17368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altAccept: 17388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altAccept = value; 17398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altReject: 17418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altReject = value; 17428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic unsigned int eapol_sm_get_int(void *ctx, enum eapol_int_var variable) 17488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 17518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 17538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_idleWhile: 17548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->idleWhile; 17558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_int(void *ctx, enum eapol_int_var variable, 17618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int value) 17628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 17658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 17668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 17678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_idleWhile: 17688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->idleWhile = value; 17698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 17708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_config_blob(void *ctx, struct wpa_config_blob *blob) 17768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_CONFIG_BLOBS 17788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm && sm->ctx && sm->ctx->set_config_blob) 17808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->set_config_blob(sm->ctx->ctx, blob); 17818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_CONFIG_BLOBS */ 17828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const struct wpa_config_blob * 17868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidteapol_sm_get_config_blob(void *ctx, const char *name) 17878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_CONFIG_BLOBS 17898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm && sm->ctx && sm->ctx->get_config_blob) 17918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->ctx->get_config_blob(sm->ctx->ctx, name); 17928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 17938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 17948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_NO_CONFIG_BLOBS */ 17958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 17968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_CONFIG_BLOBS */ 17978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_notify_pending(void *ctx) 18018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 18038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 18048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 18058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapReqData && !sm->eapReq) { 18068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: received notification from EAP " 18078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "state machine - retrying pending EAP Request"); 18088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 18098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = TRUE; 18108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 18118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) 18161f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic void eapol_sm_eap_param_needed(void *ctx, enum wpa_ctrl_req_type field, 18178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *txt) 18188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 18208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAP parameter needed"); 18218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->eap_param_needed) 18228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eap_param_needed(sm->ctx->ctx, field, txt); 18238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ 18258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define eapol_sm_eap_param_needed NULL 18268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ 18278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1828c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidtstatic void eapol_sm_notify_cert(void *ctx, int depth, const char *subject, 1829c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt const char *cert_hash, 1830c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt const struct wpabuf *cert) 1831c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt{ 1832c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt struct eapol_sm *sm = ctx; 1833c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt if (sm->ctx->cert_cb) 1834c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt sm->ctx->cert_cb(sm->ctx->ctx, depth, subject, 1835c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt cert_hash, cert); 1836c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt} 18378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct eapol_callbacks eapol_cb = 18398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_config, 18418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_bool, 18428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_bool, 18438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_int, 18448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_int, 18458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_eapReqData, 18468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_config_blob, 18478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_config_blob, 18488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_notify_pending, 1849c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt eapol_sm_eap_param_needed, 1850c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt eapol_sm_notify_cert 18518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 18528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 18558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_init - Initialize EAPOL state machine 18568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ctx: Pointer to EAPOL context data; this needs to be an allocated buffer 18578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and EAPOL state machine will free it in eapol_sm_deinit() 18588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to the allocated EAPOL state machine or %NULL on failure 18598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 18608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Allocate and initialize an EAPOL state machine. 18618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 18628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eapol_sm *eapol_sm_init(struct eapol_ctx *ctx) 18638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm; 18658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_config conf; 18668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm = os_zalloc(sizeof(*sm)); 18678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 18688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx = ctx; 18708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portControl = Auto; 18728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant PAE state machine */ 18748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod = 60; 18758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod = 30; 18768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart = 3; 18778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant Backend state machine */ 18798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod = 30; 18808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&conf, 0, sizeof(conf)); 18828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.opensc_engine_path = ctx->opensc_engine_path; 18838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.pkcs11_engine_path = ctx->pkcs11_engine_path; 18848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.pkcs11_module_path = ctx->pkcs11_module_path; 18858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.wps = ctx->wps; 18861f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt conf.cert_in_cb = ctx->cert_in_cb; 18878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap = eap_peer_sm_init(sm, &eapol_cb, sm->ctx->msg_ctx, &conf); 18898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eap == NULL) { 18908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm); 18918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Initialize EAPOL state machines */ 18958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize = TRUE; 18968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 18978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize = FALSE; 18988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 18998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->timer_tick_enabled = 1; 19018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(1, 0, eapol_port_timers_tick, NULL, sm); 19028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm; 19048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 19088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_deinit - Deinitialize EAPOL state machine 19098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 19108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 19118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Deinitialize and free EAPOL state machine. 19128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 19138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_deinit(struct eapol_sm *sm) 19148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 19168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 19178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_sm_step_timeout, NULL, sm); 19188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm); 19198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peer_sm_deinit(sm->eap); 19208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->last_rx_key); 19218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eapReqData); 19228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->ctx); 19238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm); 19248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1925