eapol_supp_sm.c revision c5ec7f57ead87efa365800228aa0b09a12d9e6c4
18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL supplicant state machines 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "includes.h" 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common.h" 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "state_machine.h" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpabuf.h" 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eloop.h" 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/crypto.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/md5.h" 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/eapol_common.h" 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_peer/eap.h" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eapol_supp_sm.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STATE_MACHINE_DATA struct eapol_sm 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define STATE_MACHINE_DEBUG_PREFIX "EAPOL" 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* IEEE 802.1X-2004 - Supplicant - EAPOL state machines */ 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * struct eapol_sm - Internal data for EAPOL state machines 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eapol_sm { 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Timers */ 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int authWhile; 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int heldWhile; 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int startWhen; 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int idleWhile; /* for EAP state machine */ 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int timer_tick_enabled; 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Global variables */ 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapFail; 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapolEap; 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapSuccess; 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean initialize; 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean keyDone; 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean keyRun; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PortControl portControl; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean portEnabled; 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PortStatus suppPortStatus; /* dot1xSuppControlledPortStatus */ 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean portValid; 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppAbort; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppFail; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppStart; 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppSuccess; 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean suppTimeout; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant PAE state machine */ 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_UNKNOWN = 0, 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_DISCONNECTED = 1, 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_LOGOFF = 2, 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_CONNECTING = 3, 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_AUTHENTICATING = 4, 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_AUTHENTICATED = 5, 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* unused(6) */ 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_HELD = 7, 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_RESTART = 8, 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_S_FORCE_AUTH = 9, 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_PAE_S_FORCE_UNAUTH = 10 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } SUPP_PAE_state; /* dot1xSuppPaeState */ 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Variables */ 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean userLogoff; 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean logoffSent; 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int startCount; 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapRestart; 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PortControl sPortMode; 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Constants */ 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int heldPeriod; /* dot1xSuppHeldPeriod */ 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int startPeriod; /* dot1xSuppStartPeriod */ 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int maxStart; /* dot1xSuppMaxStart */ 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Key Receive state machine */ 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt KEY_RX_UNKNOWN = 0, 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt KEY_RX_NO_KEY_RECEIVE, KEY_RX_KEY_RECEIVE 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } KEY_RX_state; 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Variables */ 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean rxKey; 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant Backend state machine */ 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_UNKNOWN = 0, 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_INITIALIZE = 1, 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_IDLE = 2, 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_REQUEST = 3, 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_RECEIVE = 4, 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_RESPONSE = 5, 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_FAIL = 6, 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_TIMEOUT = 7, 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SUPP_BE_SUCCESS = 8 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } SUPP_BE_state; /* dot1xSuppBackendPaeState */ 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Variables */ 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapNoResp; 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapReq; 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean eapResp; 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Constants */ 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int authPeriod; /* dot1xSuppAuthPeriod */ 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Statistics */ 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolFramesRx; 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolFramesTx; 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolStartFramesTx; 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolLogoffFramesTx; 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolRespFramesTx; 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolReqIdFramesRx; 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapolReqFramesRx; 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppInvalidEapolFramesRx; 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppEapLengthErrorFramesRx; 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int dot1xSuppLastEapolFrameVersion; 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned char dot1xSuppLastEapolFrameSource[6]; 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Miscellaneous variables (not defined in IEEE 802.1X-2004) */ 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean changed; 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_sm *eap; 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peer_config *config; 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean initial_req; 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *last_rx_key; 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t last_rx_key_len; 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *eapReqData; /* for EAP */ 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean altAccept; /* for EAP */ 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean altReject; /* for EAP */ 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean replay_counter_valid; 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 last_replay_counter[16]; 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_config conf; 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_ctx *ctx; 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { EAPOL_CB_IN_PROGRESS = 0, EAPOL_CB_SUCCESS, EAPOL_CB_FAILURE } 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt cb_status; 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean cached_pmk; 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean unicast_key_received, broadcast_key_received; 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_REPLAY_COUNTER_LEN 8 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_KEY_SIGN_LEN 16 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_KEY_IV_LEN 16 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_KEY_INDEX_FLAG 0x80 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_KEY_INDEX_MASK 0x03 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef _MSC_VER 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#pragma pack(push, 1) 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* _MSC_VER */ 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct ieee802_1x_eapol_key { 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 type; 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Note: key_length is unaligned */ 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 key_length[2]; 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* does not repeat within the life of the keying material used to 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * encrypt the Key field; 64-bit NTP timestamp MAY be used here */ 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 replay_counter[IEEE8021X_REPLAY_COUNTER_LEN]; 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 key_iv[IEEE8021X_KEY_IV_LEN]; /* cryptographically random number */ 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 key_index; /* key flag in the most significant bit: 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 0 = broadcast (default key), 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 1 = unicast (key mapping key); key index is in the 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 7 least significant bits */ 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* HMAC-MD5 message integrity check computed with MS-MPPE-Send-Key as 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the key */ 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 key_signature[IEEE8021X_KEY_SIGN_LEN]; 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* followed by key: if packet body length = 44 + key length, then the 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * key field (of key_length bytes) contains the key in encrypted form; 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * if packet body length = 44, key field is absent and key_length 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * represents the number of least significant octets from 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * MS-MPPE-Send-Key attribute to be used as the keying material; 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * RC4 key used in encryption = Key-IV + MS-MPPE-Recv-Key */ 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} STRUCT_PACKED; 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef _MSC_VER 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#pragma pack(pop) 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* _MSC_VER */ 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txLogoff(struct eapol_sm *sm); 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txStart(struct eapol_sm *sm); 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_processKey(struct eapol_sm *sm); 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_getSuppRsp(struct eapol_sm *sm); 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txSuppRsp(struct eapol_sm *sm); 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abortSupp(struct eapol_sm *sm); 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abort_cached(struct eapol_sm *sm); 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_step_timeout(void *eloop_ctx, void *timeout_ctx); 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_authorized(struct eapol_sm *sm); 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_unauthorized(struct eapol_sm *sm); 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Port Timers state machine - implemented as a function that will be called 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * once a second as a registered event loop timeout */ 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_port_timers_tick(void *eloop_ctx, void *timeout_ctx) 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = timeout_ctx; 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->authWhile > 0) { 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authWhile--; 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->authWhile == 0) 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: authWhile --> 0"); 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->heldWhile > 0) { 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldWhile--; 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->heldWhile == 0) 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: heldWhile --> 0"); 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->startWhen > 0) { 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen--; 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->startWhen == 0) 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: startWhen --> 0"); 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->idleWhile > 0) { 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->idleWhile--; 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->idleWhile == 0) 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: idleWhile --> 0"); 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->authWhile | sm->heldWhile | sm->startWhen | sm->idleWhile) { 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(1, 0, eapol_port_timers_tick, eloop_ctx, 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm); 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: disable timer tick"); 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->timer_tick_enabled = 0; 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_enable_timer_tick(struct eapol_sm *sm) 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->timer_tick_enabled) 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: enable timer tick"); 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->timer_tick_enabled = 1; 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm); 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(1, 0, eapol_port_timers_tick, NULL, sm); 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, LOGOFF) 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, LOGOFF); 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txLogoff(sm); 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->logoffSent = TRUE; 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, DISCONNECTED) 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, DISCONNECTED); 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->sPortMode = Auto; 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount = 0; 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->logoffSent = FALSE; 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppAbort = TRUE; 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->unicast_key_received = FALSE; 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->broadcast_key_received = FALSE; 265c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt 266c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt /* 267c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * IEEE Std 802.1X-2004 does not clear heldWhile here, but doing so 268c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * allows the timer tick to be stopped more quickly when the port is 269c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * not enabled. Since this variable is used only within HELD state, 270c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * clearing it on initialization does not change actual state machine 271c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * behavior. 272c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt */ 273c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt sm->heldWhile = 0; 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, CONNECTING) 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int send_start = sm->SUPP_PAE_state == SUPP_PAE_CONNECTING; 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, CONNECTING); 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (send_start) { 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = sm->startPeriod; 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount++; 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Do not send EAPOL-Start immediately since in most cases, 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Authenticator is going to start authentication immediately 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * after association and an extra EAPOL-Start is just going to 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * delay authentication. Use a short timeout to send the first 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL-Start if Authenticator does not start authentication. 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Reduce latency on starting WPS negotiation. */ 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = 1; 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_WPS */ 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = 3; 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = FALSE; 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (send_start) 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txStart(sm); 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, AUTHENTICATING) 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, AUTHENTICATING); 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount = 0; 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppSuccess = FALSE; 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppFail = FALSE; 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppTimeout = FALSE; 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->keyRun = FALSE; 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->keyDone = FALSE; 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppStart = TRUE; 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, HELD) 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, HELD); 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldWhile = sm->heldPeriod; 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cb_status = EAPOL_CB_FAILURE; 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, AUTHENTICATED) 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, AUTHENTICATED); 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Authorized; 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_authorized(sm); 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cb_status = EAPOL_CB_SUCCESS; 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, RESTART) 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, RESTART); 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapRestart = TRUE; 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, S_FORCE_AUTH) 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, S_FORCE_AUTH); 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Authorized; 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_authorized(sm); 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->sPortMode = ForceAuthorized; 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_PAE, S_FORCE_UNAUTH) 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_PAE, S_FORCE_UNAUTH); 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->sPortMode = ForceUnauthorized; 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txLogoff(sm); 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STEP(SUPP_PAE) 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((sm->userLogoff && !sm->logoffSent) && 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->initialize || !sm->portEnabled)) 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, LOGOFF); 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (((sm->portControl == Auto) && 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->sPortMode != sm->portControl)) || 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize || !sm->portEnabled) 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, DISCONNECTED); 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if ((sm->portControl == ForceAuthorized) && 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->sPortMode != sm->portControl) && 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->initialize || !sm->portEnabled)) 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, S_FORCE_AUTH); 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if ((sm->portControl == ForceUnauthorized) && 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->sPortMode != sm->portControl) && 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->initialize || !sm->portEnabled)) 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_PAE, S_FORCE_UNAUTH); 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else switch (sm->SUPP_PAE_state) { 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_UNKNOWN: 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_LOGOFF: 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->userLogoff) 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, DISCONNECTED); 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_DISCONNECTED: 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_CONNECTING: 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->startWhen == 0 && sm->startCount < sm->maxStart) 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->startWhen == 0 && 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount >= sm->maxStart && 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid) 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATED); 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess || sm->eapFail) 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATING); 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapolEap) 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, RESTART); 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->startWhen == 0 && 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startCount >= sm->maxStart && 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !sm->portValid) 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, HELD); 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATING: 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapSuccess && !sm->portValid && 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.accept_802_1x_keys && 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.required_keys == 0) { 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: IEEE 802.1X for " 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "plaintext connection; no EAPOL-Key frames " 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "required"); 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = TRUE; 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->eapol_done_cb) 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_done_cb(sm->ctx->ctx); 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapSuccess && sm->portValid) 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATED); 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapFail || (sm->keyDone && !sm->portValid)) 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, HELD); 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->suppTimeout) 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_HELD: 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->heldWhile == 0) 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, CONNECTING); 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapolEap) 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, RESTART); 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATED: 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapolEap && sm->portValid) 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, RESTART); 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (!sm->portValid) 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, DISCONNECTED); 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_RESTART: 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->eapRestart) 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_PAE, AUTHENTICATING); 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_S_FORCE_AUTH: 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_S_FORCE_UNAUTH: 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(KEY_RX, NO_KEY_RECEIVE) 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(KEY_RX, NO_KEY_RECEIVE); 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(KEY_RX, KEY_RECEIVE) 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(KEY_RX, KEY_RECEIVE); 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_processKey(sm); 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->rxKey = FALSE; 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STEP(KEY_RX) 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->initialize || !sm->portEnabled) 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(KEY_RX, NO_KEY_RECEIVE); 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (sm->KEY_RX_state) { 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case KEY_RX_UNKNOWN: 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case KEY_RX_NO_KEY_RECEIVE: 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->rxKey) 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(KEY_RX, KEY_RECEIVE); 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case KEY_RX_KEY_RECEIVE: 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->rxKey) 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(KEY_RX, KEY_RECEIVE); 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, REQUEST) 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, REQUEST); 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authWhile = 0; 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = TRUE; 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_getSuppRsp(sm); 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, RESPONSE) 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, RESPONSE); 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txSuppRsp(sm); 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapResp = FALSE; 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, SUCCESS) 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, SUCCESS); 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->keyRun = TRUE; 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppSuccess = TRUE; 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_key_available(sm->eap)) { 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* New key received - clear IEEE 802.1X EAPOL-Key replay 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * counter */ 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->replay_counter_valid = FALSE; 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, FAIL) 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, FAIL); 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppFail = TRUE; 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, TIMEOUT) 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, TIMEOUT); 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppTimeout = TRUE; 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, IDLE) 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, IDLE); 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppStart = FALSE; 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initial_req = TRUE; 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, INITIALIZE) 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, INITIALIZE); 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_abortSupp(sm); 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppAbort = FALSE; 541c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt 542c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt /* 543c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * IEEE Std 802.1X-2004 does not clear authWhile here, but doing so 544c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * allows the timer tick to be stopped more quickly when the port is 545c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * not enabled. Since this variable is used only within RECEIVE state, 546c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * clearing it on initialization does not change actual state machine 547c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * behavior. 548c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt */ 549c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt sm->authWhile = 0; 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STATE(SUPP_BE, RECEIVE) 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTRY(SUPP_BE, RECEIVE); 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authWhile = sm->authPeriod; 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = FALSE; 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapNoResp = FALSE; 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initial_req = FALSE; 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry ShmidtSM_STEP(SUPP_BE) 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->initialize || sm->suppAbort) 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER_GLOBAL(SUPP_BE, INITIALIZE); 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else switch (sm->SUPP_BE_state) { 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_UNKNOWN: 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_REQUEST: 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IEEE Std 802.1X-2004 has transitions from REQUEST to FAIL 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and SUCCESS based on eapFail and eapSuccess, respectively. 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * However, IEEE Std 802.1X-2004 is also specifying that 5761f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt * eapNoResp should be set in conjunction with eapSuccess and 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapFail which would mean that more than one of the 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * transitions here would be activated at the same time. 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Skipping RESPONSE and/or RECEIVE states in these cases can 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * cause problems and the direct transitions to do not seem 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * correct. Because of this, the conditions for these 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * transitions are verified only after eapNoResp. They are 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * unlikely to be used since eapNoResp should always be set if 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * either of eapSuccess or eapFail is set. 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapResp && sm->eapNoResp) { 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: SUPP_BE REQUEST: both " 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "eapResp and eapNoResp set?!"); 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapResp) 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, RESPONSE); 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapNoResp) 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, RECEIVE); 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapFail) 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, FAIL); 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess) 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, SUCCESS); 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RESPONSE: 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, RECEIVE); 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_SUCCESS: 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_FAIL: 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_TIMEOUT: 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_IDLE: 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapFail && sm->suppStart) 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, FAIL); 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapolEap && sm->suppStart) 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, REQUEST); 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess && sm->suppStart) 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, SUCCESS); 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_INITIALIZE: 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, IDLE); 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RECEIVE: 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapolEap) 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, REQUEST); 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapFail) 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, FAIL); 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->authWhile == 0) 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, TIMEOUT); 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (sm->eapSuccess) 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_ENTER(SUPP_BE, SUCCESS); 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txLogoff(struct eapol_sm *sm) 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: txLogoff"); 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_send(sm->ctx->eapol_send_ctx, 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE802_1X_TYPE_EAPOL_LOGOFF, (u8 *) "", 0); 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolLogoffFramesTx++; 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txStart(struct eapol_sm *sm) 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: txStart"); 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_send(sm->ctx->eapol_send_ctx, 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE802_1X_TYPE_EAPOL_START, (u8 *) "", 0); 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolStartFramesTx++; 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_ENCR_KEY_LEN 32 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define IEEE8021X_SIGN_KEY_LEN 32 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eap_key_data { 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 encr_key[IEEE8021X_ENCR_KEY_LEN]; 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 sign_key[IEEE8021X_SIGN_KEY_LEN]; 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_processKey(struct eapol_sm *sm) 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_hdr *hdr; 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct ieee802_1x_eapol_key *key; 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_key_data keydata; 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 orig_key_sign[IEEE8021X_KEY_SIGN_LEN], datakey[32]; 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ekey[IEEE8021X_KEY_IV_LEN + IEEE8021X_ENCR_KEY_LEN]; 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int key_len, res, sign_key_len, encr_key_len; 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 rx_key_length; 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: processKey"); 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->last_rx_key == NULL) 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->conf.accept_802_1x_keys) { 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Received IEEE 802.1X EAPOL-Key" 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " even though this was not accepted - " 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ignoring this packet"); 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (struct ieee802_1x_hdr *) sm->last_rx_key; 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = (struct ieee802_1x_eapol_key *) (hdr + 1); 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sizeof(*hdr) + be_to_host16(hdr->length) > sm->last_rx_key_len) { 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Too short EAPOL-Key frame"); 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rx_key_length = WPA_GET_BE16(key->key_length); 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: RX IEEE 802.1X ver=%d type=%d len=%d " 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAPOL-Key: type=%d key_length=%d key_index=0x%x", 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->version, hdr->type, be_to_host16(hdr->length), 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->type, rx_key_length, key->key_index); 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_notify_lower_layer_success(sm, 1); 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sign_key_len = IEEE8021X_SIGN_KEY_LEN; 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_key_len = IEEE8021X_ENCR_KEY_LEN; 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = eapol_sm_get_key(sm, (u8 *) &keydata, sizeof(keydata)); 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) { 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Could not get master key for " 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "decrypting EAPOL-Key keys"); 7058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res == 16) { 7088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* LEAP derives only 16 bytes of keying material. */ 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = eapol_sm_get_key(sm, (u8 *) &keydata, 16); 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res) { 7118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Could not get LEAP " 7128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "master key for decrypting EAPOL-Key keys"); 7138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sign_key_len = 16; 7168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_key_len = 16; 7178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(keydata.sign_key, keydata.encr_key, 16); 7188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (res) { 7198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Could not get enough master key " 7208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "data for decrypting EAPOL-Key keys (res=%d)", res); 7218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* The key replay_counter must increase when same master key */ 7258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->replay_counter_valid && 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(sm->last_replay_counter, key->replay_counter, 7278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_REPLAY_COUNTER_LEN) >= 0) { 7288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: EAPOL-Key replay counter did " 7298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not increase - ignoring key"); 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAPOL: last replay counter", 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_replay_counter, 7328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_REPLAY_COUNTER_LEN); 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAPOL: received replay counter", 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->replay_counter, IEEE8021X_REPLAY_COUNTER_LEN); 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Verify key signature (HMAC-MD5) */ 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(orig_key_sign, key->key_signature, IEEE8021X_KEY_SIGN_LEN); 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(key->key_signature, 0, IEEE8021X_KEY_SIGN_LEN); 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_md5(keydata.sign_key, sign_key_len, 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key, sizeof(*hdr) + be_to_host16(hdr->length), 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_signature); 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(orig_key_sign, key->key_signature, 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_KEY_SIGN_LEN) != 0) { 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Invalid key signature in " 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAPOL-Key packet"); 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(key->key_signature, orig_key_sign, 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_KEY_SIGN_LEN); 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAPOL-Key key signature verified"); 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_len = be_to_host16(hdr->length) - sizeof(*key); 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key_len > 32 || rx_key_length > 32) { 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Too long key data length %d", 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_len ? key_len : rx_key_length); 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key_len == rx_key_length) { 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(ekey, key->key_iv, IEEE8021X_KEY_IV_LEN); 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(ekey + IEEE8021X_KEY_IV_LEN, keydata.encr_key, 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_key_len); 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(datakey, key + 1, key_len); 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt rc4_skip(ekey, IEEE8021X_KEY_IV_LEN + encr_key_len, 0, 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len); 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAPOL: Decrypted(RC4) key", 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len); 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (key_len == 0) { 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 7718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IEEE 802.1X-2004 specifies that least significant Key Length 7728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * octets from MS-MPPE-Send-Key are used as the key if the key 7738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * data is not present. This seems to be meaning the beginning 7748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * of the MS-MPPE-Send-Key. In addition, MS-MPPE-Send-Key in 7758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Supplicant corresponds to MS-MPPE-Recv-Key in Authenticator. 7768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Anyway, taking the beginning of the keying material from EAP 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * seems to interoperate with Authenticators. 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_len = rx_key_length; 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(datakey, keydata.encr_key, key_len); 7818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAPOL: using part of EAP keying " 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "material data encryption key", 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len); 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Invalid key data length %d " 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(key_length=%d)", key_len, rx_key_length); 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->replay_counter_valid = TRUE; 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->last_replay_counter, key->replay_counter, 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE8021X_REPLAY_COUNTER_LEN); 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Setting dynamic WEP key: %s keyidx %d " 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "len %d", 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_FLAG ? 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "unicast" : "broadcast", 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_MASK, key_len); 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->set_wep_key && 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->set_wep_key(sm->ctx->ctx, 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_FLAG, 8038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->key_index & IEEE8021X_KEY_INDEX_MASK, 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt datakey, key_len) < 0) { 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: Failed to set WEP key to the " 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " driver."); 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key->key_index & IEEE8021X_KEY_INDEX_FLAG) 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->unicast_key_received = TRUE; 8108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->broadcast_key_received = TRUE; 8128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((sm->unicast_key_received || 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->conf.required_keys & EAPOL_REQUIRE_KEY_UNICAST)) && 8158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (sm->broadcast_key_received || 8168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(sm->conf.required_keys & EAPOL_REQUIRE_KEY_BROADCAST))) 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: all required EAPOL-Key " 8198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frames received"); 8208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = TRUE; 8218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->eapol_done_cb) 8228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_done_cb(sm->ctx->ctx); 8238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_getSuppRsp(struct eapol_sm *sm) 8298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: getSuppRsp"); 8318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* EAP layer processing; no special code is needed, since Supplicant 8328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Backend state machine is waiting for eapNoResp or eapResp to be set 8338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and these are only set in the EAP state machine when the processing 8348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * has finished. */ 8358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_txSuppRsp(struct eapol_sm *sm) 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *resp; 8418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: txSuppRsp"); 8438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt resp = eap_get_eapRespData(sm->eap); 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (resp == NULL) { 8458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_WARNING, "EAPOL: txSuppRsp - EAP response data " 8468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "not available"); 8478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Send EAP-Packet from the EAP layer to the Authenticator */ 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eapol_send(sm->ctx->eapol_send_ctx, 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt IEEE802_1X_TYPE_EAP_PACKET, wpabuf_head(resp), 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_len(resp)); 8548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* eapRespData is not used anymore, so free it here */ 8568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(resp); 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->initial_req) 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqIdFramesRx++; 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqFramesRx++; 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolRespFramesTx++; 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abortSupp(struct eapol_sm *sm) 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* release system resources that may have been allocated for the 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * authentication session */ 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->last_rx_key); 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key = NULL; 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eapReqData); 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReqData = NULL; 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_sm_abort(sm->eap); 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_step_timeout(void *eloop_ctx, void *timeout_ctx) 8808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(timeout_ctx); 8828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_authorized(struct eapol_sm *sm) 8868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->port_cb) 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->port_cb(sm->ctx->ctx, 1); 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_port_unauthorized(struct eapol_sm *sm) 8938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->port_cb) 8958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->port_cb(sm->ctx->ctx, 0); 8968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 9008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_step - EAPOL state machine step function 9018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 9028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 9038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called to notify the state machine about changed external 9048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * variables. It will step through the EAPOL state machines in loop to process 9058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * all triggered state changes. 9068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 9078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_step(struct eapol_sm *sm) 9088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int i; 9108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* In theory, it should be ok to run this in loop until !changed. 9128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * However, it is better to use a limit on number of iterations to 9138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * allow events (e.g., SIGTERM) to stop the program cleanly if the 9148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * state machine were to generate a busy loop. */ 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < 100; i++) { 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->changed = FALSE; 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_STEP_RUN(SUPP_PAE); 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_STEP_RUN(KEY_RX); 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt SM_STEP_RUN(SUPP_BE); 9208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_peer_sm_step(sm->eap)) 9218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->changed = TRUE; 9228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!sm->changed) 9238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 9248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->changed) { 9278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* restart EAPOL state machine step from timeout call in order 9288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to allow other events to be processed. */ 9298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_sm_step_timeout, NULL, sm); 9308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(0, 0, eapol_sm_step_timeout, NULL, sm); 9318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->cb && sm->cb_status != EAPOL_CB_IN_PROGRESS) { 9348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int success = sm->cb_status == EAPOL_CB_SUCCESS ? 1 : 0; 9358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cb_status = EAPOL_CB_IN_PROGRESS; 9368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->cb(sm, success, sm->ctx->cb_ctx); 9378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE 9428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char *eapol_supp_pae_state(int state) 9438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (state) { 9458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_LOGOFF: 9468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "LOGOFF"; 9478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_DISCONNECTED: 9488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "DISCONNECTED"; 9498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_CONNECTING: 9508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "CONNECTING"; 9518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATING: 9528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "AUTHENTICATING"; 9538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_HELD: 9548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "HELD"; 9558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_AUTHENTICATED: 9568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "AUTHENTICATED"; 9578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_PAE_RESTART: 9588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "RESTART"; 9598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 9608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "UNKNOWN"; 9618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char *eapol_supp_be_state(int state) 9668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (state) { 9688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_REQUEST: 9698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "REQUEST"; 9708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RESPONSE: 9718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "RESPONSE"; 9728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_SUCCESS: 9738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "SUCCESS"; 9748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_FAIL: 9758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "FAIL"; 9768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_TIMEOUT: 9778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "TIMEOUT"; 9788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_IDLE: 9798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "IDLE"; 9808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_INITIALIZE: 9818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "INITIALIZE"; 9828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUPP_BE_RECEIVE: 9838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "RECEIVE"; 9848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 9858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "UNKNOWN"; 9868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char * eapol_port_status(PortStatus status) 9918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (status == Authorized) 9938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Authorized"; 9948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 9958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Unauthorized"; 9968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE */ 9988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) 10018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char * eapol_port_control(PortControl ctrl) 10028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (ctrl) { 10048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case Auto: 10058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Auto"; 10068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case ForceUnauthorized: 10078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "ForceUnauthorized"; 10088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case ForceAuthorized: 10098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "ForceAuthorized"; 10108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 10118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Unknown"; 10128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ 10158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_configure - Set EAPOL variables 10198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 10208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @heldPeriod: dot1xSuppHeldPeriod 10218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @authPeriod: dot1xSuppAuthPeriod 10228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @startPeriod: dot1xSuppStartPeriod 10238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @maxStart: dot1xSuppMaxStart 10248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 10258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Set configurable EAPOL state machine variables. Each variable can be set to 10268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the given value or ignored if set to -1 (to set only some of the variables). 10278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_configure(struct eapol_sm *sm, int heldPeriod, int authPeriod, 10298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int startPeriod, int maxStart) 10308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 10328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 10338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (heldPeriod >= 0) 10348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod = heldPeriod; 10358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (authPeriod >= 0) 10368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod = authPeriod; 10378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (startPeriod >= 0) 10388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod = startPeriod; 10398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (maxStart >= 0) 10408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart = maxStart; 10418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_method_name - Get EAPOL method name 10468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 10478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Static string containing name of current eap method or NULL 10488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtconst char * eapol_sm_get_method_name(struct eapol_sm *sm) 10508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->SUPP_PAE_state != SUPP_PAE_AUTHENTICATED || 10528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus != Authorized) 10538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 10548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_sm_get_method_name(sm->eap); 10568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_CTRL_IFACE 10608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 10618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_status - Get EAPOL state machine status 10628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 10638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Buffer for status information 10648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buflen: Maximum buffer length 10658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @verbose: Whether to include verbose status information 10668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of bytes written to buf. 10678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 10688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Query EAPOL state machine for status information. This function fills in a 10698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * text area with current status information from the EAPOL state machine. If 10708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the buffer (buf) is not large enough, status information will be truncated 10718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to fit the buffer. 10728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 10738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_get_status(struct eapol_sm *sm, char *buf, size_t buflen, 10748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int verbose) 10758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int len, ret; 10778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 10788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = os_snprintf(buf, buflen, 10818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Supplicant PAE state=%s\n" 10828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "suppPortStatus=%s\n", 10838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_supp_pae_state(sm->SUPP_PAE_state), 10848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_port_status(sm->suppPortStatus)); 10858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < 0 || (size_t) len >= buflen) 10868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 10878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (verbose) { 10898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 10908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "heldPeriod=%u\n" 10918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "authPeriod=%u\n" 10928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "startPeriod=%u\n" 10938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "maxStart=%u\n" 10948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portControl=%s\n" 10958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Supplicant Backend state=%s\n", 10968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod, 10978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod, 10988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod, 10998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart, 11008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_port_control(sm->portControl), 11018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_supp_be_state(sm->SUPP_BE_state)); 11028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 11038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 11048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 11058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += eap_sm_get_status(sm->eap, buf + len, buflen - len, verbose); 11088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 11108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 11148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_mib - Get EAPOL state machine MIBs 11158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 11168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Buffer for MIB information 11178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buflen: Maximum buffer length 11188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Number of bytes written to buf. 11198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 11208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Query EAPOL state machine for MIB information. This function fills in a 11218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * text area with current MIB information from the EAPOL state machine. If 11228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the buffer (buf) is not large enough, MIB information will be truncated to 11238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * fit the buffer. 11248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 11258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_get_mib(struct eapol_sm *sm, char *buf, size_t buflen) 11268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 11288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 11298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 11318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf, buflen, 11338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppPaeState=%d\n" 11348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppHeldPeriod=%u\n" 11358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppAuthPeriod=%u\n" 11368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppStartPeriod=%u\n" 11378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppMaxStart=%u\n" 11388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppSuppControlledPortStatus=%s\n" 11398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppBackendPaeState=%d\n", 11408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_PAE_state, 11418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod, 11428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod, 11438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod, 11448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart, 11458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus == Authorized ? 11468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Authorized" : "Unauthorized", 11478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_BE_state); 11488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen) 11508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = ret; 11528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = os_snprintf(buf + len, buflen - len, 11548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolFramesRx=%u\n" 11558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolFramesTx=%u\n" 11568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolStartFramesTx=%u\n" 11578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolLogoffFramesTx=%u\n" 11588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolRespFramesTx=%u\n" 11598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolReqIdFramesRx=%u\n" 11608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapolReqFramesRx=%u\n" 11618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppInvalidEapolFramesRx=%u\n" 11628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppEapLengthErrorFramesRx=%u\n" 11638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppLastEapolFrameVersion=%u\n" 11648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "dot1xSuppLastEapolFrameSource=" MACSTR "\n", 11658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesRx, 11668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx, 11678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolStartFramesTx, 11688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolLogoffFramesTx, 11698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolRespFramesTx, 11708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqIdFramesRx, 11718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolReqFramesRx, 11728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppInvalidEapolFramesRx, 11738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapLengthErrorFramesRx, 11748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppLastEapolFrameVersion, 11758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MAC2STR(sm->dot1xSuppLastEapolFrameSource)); 11768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0 || (size_t) ret >= buflen - len) 11788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 11798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len += ret; 11808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return len; 11828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE */ 11848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 11878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_rx_eapol - Process received EAPOL frames 11888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 11898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @src: Source MAC address of the EAPOL packet 11908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Pointer to the beginning of the EAPOL data (EAPOL header) 11918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Length of the EAPOL frame 11928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 1 = EAPOL frame processed, 0 = not for EAPOL state machine, 11938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * -1 failure 11948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 11958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_rx_eapol(struct eapol_sm *sm, const u8 *src, const u8 *buf, 11968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len) 11978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct ieee802_1x_hdr *hdr; 11998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct ieee802_1x_eapol_key *key; 12008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int data_len; 12018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res = 1; 12028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t plen; 12038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 12058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 12068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesRx++; 12078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len < sizeof(*hdr)) { 12088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppInvalidEapolFramesRx++; 12098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 12108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (const struct ieee802_1x_hdr *) buf; 12128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppLastEapolFrameVersion = hdr->version; 12138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->dot1xSuppLastEapolFrameSource, src, ETH_ALEN); 12148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hdr->version < EAPOL_VERSION) { 12158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: backwards compatibility */ 12168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plen = be_to_host16(hdr->length); 12188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plen > len - sizeof(*hdr)) { 12198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapLengthErrorFramesRx++; 12208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 12218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_WPS 12238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->conf.workaround && 12248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plen < len - sizeof(*hdr) && 12258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->type == IEEE802_1X_TYPE_EAP_PACKET && 12268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len - sizeof(*hdr) > sizeof(struct eap_hdr)) { 12278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eap_hdr *ehdr = 12288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (const struct eap_hdr *) (hdr + 1); 12298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 elen; 12308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt elen = be_to_host16(ehdr->length); 12328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (elen > plen && elen <= len - sizeof(*hdr)) { 12338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 12348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Buffalo WHR-G125 Ver.1.47 seems to send EAP-WPS 12358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * packets with too short EAPOL header length field 12368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (14 octets). This is fixed in firmware Ver.1.49. 12378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * As a workaround, fix the EAPOL header based on the 12388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * correct length in the EAP packet. 12398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Workaround - fix EAPOL " 12418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "payload length based on EAP header: " 12428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "%d -> %d", (int) plen, elen); 12438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt plen = elen; 12448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_WPS */ 12478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data_len = plen + sizeof(*hdr); 12488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (hdr->type) { 12508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAP_PACKET: 12518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->cached_pmk) { 12528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Trying to use PMKSA caching, but Authenticator did 12538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * not seem to have a matching entry. Need to restart 12548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * EAPOL state machines. 12558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_abort_cached(sm); 12578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eapReqData); 12598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReqData = wpabuf_alloc_copy(hdr + 1, plen); 12608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapReqData) { 12618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Received EAP-Packet " 12628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame"); 12638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 12648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 12658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case IEEE802_1X_TYPE_EAPOL_KEY: 12688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (plen < sizeof(*key)) { 12698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Too short EAPOL-Key " 12708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame received"); 12718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = (const struct ieee802_1x_eapol_key *) (hdr + 1); 12748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key->type == EAPOL_KEY_TYPE_WPA || 12758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key->type == EAPOL_KEY_TYPE_RSN) { 12768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* WPA Supplicant takes care of this frame. */ 12778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Ignoring WPA EAPOL-Key " 12788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame in EAPOL state machines"); 12798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = 0; 12808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key->type != EAPOL_KEY_TYPE_RC4) { 12838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Ignored unknown " 12848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAPOL-Key type %d", key->type); 12858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->last_rx_key); 12888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key = os_malloc(data_len); 12898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->last_rx_key) { 12908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Received EAPOL-Key " 12918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "frame"); 12928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->last_rx_key, buf, data_len); 12938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->last_rx_key_len = data_len; 12948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->rxKey = TRUE; 12958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 12968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 12988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 12998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Received unknown EAPOL type %d", 13008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->type); 13018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppInvalidEapolFramesRx++; 13028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 13038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 13048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 13068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_tx_eapol_key - Notification about transmitted EAPOL packet 13118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine about transmitted EAPOL packet from an external 13148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * component, e.g., WPA. This will update the statistics. 13158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_tx_eapol_key(struct eapol_sm *sm) 13178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) 13198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->dot1xSuppEapolFramesTx++; 13208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_portEnabled - Notification about portEnabled change 13258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @enabled: New portEnabled value 13278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine about new portEnabled value. 13298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_portEnabled(struct eapol_sm *sm, Boolean enabled) 13318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portEnabled=%d", enabled); 13368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portEnabled = enabled; 13378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_portValid - Notification about portValid change 13438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @valid: New portValid value 13458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine about new portValid value. 13478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_portValid(struct eapol_sm *sm, Boolean valid) 13498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portValid=%d", valid); 13548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = valid; 13558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_eap_success - Notification of external EAP success trigger 13618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @success: %TRUE = set success, %FALSE = clear success 13638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify the EAPOL state machine that external event has forced EAP state to 13658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * success (success = %TRUE). This can be cleared by setting success = %FALSE. 13668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function is called to update EAP state when WPA-PSK key handshake has 13688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * been completed successfully since WPA-PSK does not use EAP state machine. 13698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_eap_success(struct eapol_sm *sm, Boolean success) 13718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAP success=%d", success); 13768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapSuccess = success; 13778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altAccept = success; 13788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (success) 13798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_notify_success(sm->eap); 13808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 13818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 13828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 13848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 13858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_eap_fail - Notification of external EAP failure trigger 13868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 13878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @fail: %TRUE = set failure, %FALSE = clear failure 13888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 13898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine that external event has forced EAP state to 13908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * failure (fail = %TRUE). This can be cleared by setting fail = %FALSE. 13918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 13928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_eap_fail(struct eapol_sm *sm, Boolean fail) 13938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 13948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 13958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 13968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 13978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAP fail=%d", fail); 13988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapFail = fail; 13998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altReject = fail; 14008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 14018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_config - Notification of EAPOL configuration change 14068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @config: Pointer to current network EAP configuration 14088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @conf: Pointer to EAPOL configuration data 14098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machine that configuration has changed. config will be 14118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * stored as a backpointer to network configuration. This can be %NULL to clear 14128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the stored pointed. conf will be copied to local EAPOL/EAP configuration 14138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * data. If conf is %NULL, this part of the configuration change will be 14148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * skipped. 14158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_config(struct eapol_sm *sm, 14178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peer_config *config, 14188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eapol_config *conf) 14198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 14218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->config = config; 14248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf == NULL) 14268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 14278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.accept_802_1x_keys = conf->accept_802_1x_keys; 14298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.required_keys = conf->required_keys; 14308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.fast_reauth = conf->fast_reauth; 14318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->conf.workaround = conf->workaround; 14328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eap) { 14338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_set_fast_reauth(sm->eap, conf->fast_reauth); 14348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_set_workaround(sm->eap, conf->workaround); 14358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_set_force_disabled(sm->eap, conf->eap_disabled); 14368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_get_key - Get master session key (MSK) from EAP 14428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @key: Pointer for key buffer 14448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Number of bytes to copy to key 14458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success (len of key available), maximum available key len 14468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (>0) if key is available but it is shorter than len, or -1 on failure. 14478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Fetch EAP keying material (MSK, eapKeyData) from EAP state machine. The key 14498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * is available only after a successful authentication. 14508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eapol_sm_get_key(struct eapol_sm *sm, u8 *key, size_t len) 14528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *eap_key; 14548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t eap_len; 14558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || !eap_key_available(sm->eap)) { 14578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAP key not available"); 14588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_key = eap_get_eapKeyData(sm->eap, &eap_len); 14618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_key == NULL) { 14628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Failed to get eapKeyData"); 14638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 14648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len > eap_len) { 14668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Requested key length (%lu) not " 14678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "available (len=%lu)", 14688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len, (unsigned long) eap_len); 14698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_len; 14708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(key, eap_key, len); 14728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: Successfully fetched key (len=%lu)", 14738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len); 14748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 14758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_logoff - Notification of logon/logoff commands 14808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @logoff: Whether command was logoff 14828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that user requested logon/logoff. 14848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 14858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_logoff(struct eapol_sm *sm, Boolean logoff) 14868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 14878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) { 14888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->userLogoff = logoff; 14898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 14908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 14918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 14928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 14948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 14958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_pmkid_attempt - Notification of successful PMKSA caching 14968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 14978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 14988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that PMKSA caching was successful. This is used 14998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * to move EAPOL and EAP state machines into authenticated/successful state. 15008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_cached(struct eapol_sm *sm) 15028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: PMKSA caching was used - skip EAPOL"); 15068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_PAE_state = SUPP_PAE_AUTHENTICATED; 15078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Authorized; 15088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_authorized(sm); 15098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portValid = TRUE; 15108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_notify_success(sm->eap); 15118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 15128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_pmkid_attempt - Notification of PMKSA caching 15178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @attempt: Whether PMKSA caching is tried 15198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines whether PMKSA caching is used. 15218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_pmkid_attempt(struct eapol_sm *sm, int attempt) 15238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (attempt) { 15278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Trying to use cached PMKSA"); 15288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cached_pmk = TRUE; 15298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 15308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Do not try to use cached PMKSA"); 15318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cached_pmk = FALSE; 15328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_abort_cached(struct eapol_sm *sm) 15378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Authenticator did not accept PMKID, " 15398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "doing full EAP authentication"); 15408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->cached_pmk = FALSE; 15438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->SUPP_PAE_state = SUPP_PAE_CONNECTING; 15448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->suppPortStatus = Unauthorized; 15458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_port_unauthorized(sm); 15468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Make sure we do not start sending EAPOL-Start frames first, but 15488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * instead move to RESTART state to start EAPOL authentication. */ 15498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startWhen = 3; 15508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 15518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->aborted_cached) 15538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->aborted_cached(sm->ctx->ctx); 15548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_register_scard_ctx - Notification of smart card context 15598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ctx: Context data for smart card operations 15618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines of context data for smart card operations. This 15638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * context data will be used as a parameter for scard_*() functions. 15648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_register_scard_ctx(struct eapol_sm *sm, void *ctx) 15668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) { 15688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->scard_ctx = ctx; 15698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_register_scard_ctx(sm->eap, ctx); 15708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 15718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_portControl - Notification of portControl changes 15768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @portControl: New value for portControl variable 15788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that portControl variable has changed. 15808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_portControl(struct eapol_sm *sm, PortControl portControl) 15828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 15838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 15848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 15858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: External notification - " 15868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "portControl=%s", eapol_port_control(portControl)); 15878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portControl = portControl; 15888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 15898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 15908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 15928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 15938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_ctrl_attached - Notification of attached monitor 15948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 15958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 15968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that a monitor was attached to the control 15978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * interface to trigger re-sending of pending requests for user input. 15988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 15998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_ctrl_attached(struct eapol_sm *sm) 16008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_sm_notify_ctrl_attached(sm->eap); 16048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_ctrl_response - Notification of received user input 16098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 16118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL state machines that a control response, i.e., user 16128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * input, was received in order to trigger retrying of a pending EAP request. 16138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_ctrl_response(struct eapol_sm *sm) 16158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapReqData && !sm->eapReq) { 16198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: received control response (user " 16208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "input) notification - retrying pending EAP " 16218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Request"); 16228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 16238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = TRUE; 16248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 16258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 16268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_request_reauth - Request reauthentication 16318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 16338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * This function can be used to request EAPOL reauthentication, e.g., when the 16348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * current PMKSA entry is nearing expiration. 16358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_request_reauth(struct eapol_sm *sm) 16378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || sm->SUPP_PAE_state != SUPP_PAE_AUTHENTICATED) 16398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_txStart(sm); 16418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_notify_lower_layer_success - Notification of lower layer success 16468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @in_eapol_sm: Whether the caller is already running inside EAPOL state 16488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * machine loop (eapol_sm_step()) 16498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 16508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Notify EAPOL (and EAP) state machines that a lower layer has detected a 16518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * successful authentication. This is used to recover from dropped EAP-Success 16528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * messages. 16538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_notify_lower_layer_success(struct eapol_sm *sm, int in_eapol_sm) 16558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 16588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_notify_lower_layer_success(sm->eap); 16598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!in_eapol_sm) 16608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 16618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 16658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_invalidate_cached_session - Mark cached EAP session data invalid 16668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 16678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 16688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_invalidate_cached_session(struct eapol_sm *sm) 16698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm) 16718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_invalidate_cached_session(sm->eap); 16728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct eap_peer_config * eapol_sm_get_config(void *ctx) 16768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 16788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm ? sm->config : NULL; 16798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eapol_sm_get_eapReqData(void *ctx) 16838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 16858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL || sm->eapReqData == NULL) 16868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 16878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapReqData; 16898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 16908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 16928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eapol_sm_get_bool(void *ctx, enum eapol_bool_var variable) 16938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 16948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 16958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 16968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 16978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 16988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapSuccess: 16998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapSuccess; 17008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapRestart: 17018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapRestart; 17028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapFail: 17038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapFail; 17048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapResp: 17058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapResp; 17068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapNoResp: 17078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapNoResp; 17088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapReq: 17098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->eapReq; 17108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_portEnabled: 17118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->portEnabled; 17128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altAccept: 17138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->altAccept; 17148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altReject: 17158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->altReject; 17168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 17188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_bool(void *ctx, enum eapol_bool_var variable, 17228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt Boolean value) 17238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 17268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 17278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 17288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapSuccess: 17298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapSuccess = value; 17308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapRestart: 17328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapRestart = value; 17338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapFail: 17358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapFail = value; 17368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapResp: 17388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapResp = value; 17398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapNoResp: 17418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapNoResp = value; 17428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_eapReq: 17448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = value; 17458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_portEnabled: 17478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portEnabled = value; 17488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altAccept: 17508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altAccept = value; 17518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_altReject: 17538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->altReject = value; 17548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic unsigned int eapol_sm_get_int(void *ctx, enum eapol_int_var variable) 17608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 17638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 17658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_idleWhile: 17668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->idleWhile; 17678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 17698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_int(void *ctx, enum eapol_int_var variable, 17738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt unsigned int value) 17748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 17778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 17788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (variable) { 17798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAPOL_idleWhile: 17808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->idleWhile = value; 17818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_enable_timer_tick(sm); 17828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 17838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 17848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_set_config_blob(void *ctx, struct wpa_config_blob *blob) 17888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 17898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_CONFIG_BLOBS 17908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 17918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm && sm->ctx && sm->ctx->set_config_blob) 17928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->set_config_blob(sm->ctx->ctx, blob); 17938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_CONFIG_BLOBS */ 17948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 17958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 17978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const struct wpa_config_blob * 17988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidteapol_sm_get_config_blob(void *ctx, const char *name) 17998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifndef CONFIG_NO_CONFIG_BLOBS 18018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 18028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm && sm->ctx && sm->ctx->get_config_blob) 18038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm->ctx->get_config_blob(sm->ctx->ctx, name); 18048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 18058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_NO_CONFIG_BLOBS */ 18078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_NO_CONFIG_BLOBS */ 18098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eapol_sm_notify_pending(void *ctx) 18138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 18158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 18168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 18178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eapReqData && !sm->eapReq) { 18188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: received notification from EAP " 18198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "state machine - retrying pending EAP Request"); 18208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapolEap = TRUE; 18218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eapReq = TRUE; 18228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 18238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 18248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG) 18281f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidtstatic void eapol_sm_eap_param_needed(void *ctx, enum wpa_ctrl_req_type field, 18298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *txt) 18308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm = ctx; 18328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAPOL: EAP parameter needed"); 18338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->ctx->eap_param_needed) 18348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx->eap_param_needed(sm->ctx->ctx, field, txt); 18358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 18368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ 18378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define eapol_sm_eap_param_needed NULL 18388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */ 18398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1840c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidtstatic void eapol_sm_notify_cert(void *ctx, int depth, const char *subject, 1841c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt const char *cert_hash, 1842c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt const struct wpabuf *cert) 1843c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt{ 1844c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt struct eapol_sm *sm = ctx; 1845c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt if (sm->ctx->cert_cb) 1846c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt sm->ctx->cert_cb(sm->ctx->ctx, depth, subject, 1847c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt cert_hash, cert); 1848c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt} 18498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct eapol_callbacks eapol_cb = 18518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_config, 18538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_bool, 18548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_bool, 18558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_int, 18568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_int, 18578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_eapReqData, 18588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_set_config_blob, 18598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_get_config_blob, 18608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_notify_pending, 1861c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt eapol_sm_eap_param_needed, 1862c55524ad84d13014e8019491c2b17e5dcf13545aDmitry Shmidt eapol_sm_notify_cert 18638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 18648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 18678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_init - Initialize EAPOL state machine 18688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ctx: Pointer to EAPOL context data; this needs to be an allocated buffer 18698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * and EAPOL state machine will free it in eapol_sm_deinit() 18708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: Pointer to the allocated EAPOL state machine or %NULL on failure 18718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 18728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Allocate and initialize an EAPOL state machine. 18738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 18748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eapol_sm *eapol_sm_init(struct eapol_ctx *ctx) 18758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 18768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eapol_sm *sm; 18778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_config conf; 18788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm = os_zalloc(sizeof(*sm)); 18798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 18808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 18818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->ctx = ctx; 18828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->portControl = Auto; 18848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant PAE state machine */ 18868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->heldPeriod = 60; 18878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->startPeriod = 30; 18888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->maxStart = 3; 18898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Supplicant Backend state machine */ 18918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->authPeriod = 30; 18928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 18938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(&conf, 0, sizeof(conf)); 18948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.opensc_engine_path = ctx->opensc_engine_path; 18958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.pkcs11_engine_path = ctx->pkcs11_engine_path; 18968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.pkcs11_module_path = ctx->pkcs11_module_path; 18978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf.wps = ctx->wps; 18981f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt conf.cert_in_cb = ctx->cert_in_cb; 18998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->eap = eap_peer_sm_init(sm, &eapol_cb, sm->ctx->msg_ctx, &conf); 19018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->eap == NULL) { 19028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm); 19038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 19048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 19058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Initialize EAPOL state machines */ 19078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize = TRUE; 19088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 19098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->initialize = FALSE; 19108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapol_sm_step(sm); 19118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->timer_tick_enabled = 1; 19138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_register_timeout(1, 0, eapol_port_timers_tick, NULL, sm); 19148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm; 19168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 19178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 19198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 19208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * eapol_sm_deinit - Deinitialize EAPOL state machine 19218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @sm: Pointer to EAPOL state machine allocated with eapol_sm_init() 19228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 19238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Deinitialize and free EAPOL state machine. 19248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 19258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtvoid eapol_sm_deinit(struct eapol_sm *sm) 19268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 19278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm == NULL) 19288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 19298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_sm_step_timeout, NULL, sm); 19308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eloop_cancel_timeout(eapol_port_timers_tick, NULL, sm); 19318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peer_sm_deinit(sm->eap); 19328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->last_rx_key); 19338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(sm->eapReqData); 19348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->ctx); 19358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm); 19368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1937