18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd / EAP-PEAP (draft-josefsson-pppext-eap-tls-eap-10.txt) 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 "crypto/sha1.h" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/tls.h" 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "crypto/random.h" 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_i.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_tls_common.h" 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_common/eap_tlv_common.h" 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_common/eap_peap_common.h" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "tncs.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* Maximum supported PEAP version 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 0 = Microsoft's PEAP version 0; draft-kamath-pppext-peapv0-00.txt 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 1 = draft-josefsson-ppext-eap-tls-eap-05.txt 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define EAP_PEAP_VERSION 1 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_peap_reset(struct eap_sm *sm, void *priv); 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eap_peap_data { 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_ssl_data ssl; 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt START, PHASE1, PHASE1_ID2, PHASE2_START, PHASE2_ID, 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PHASE2_METHOD, PHASE2_SOH, 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt PHASE2_TLV, SUCCESS_REQ, FAILURE_REQ, SUCCESS, FAILURE 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } state; 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int peap_version; 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int recv_version; 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eap_method *phase2_method; 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt void *phase2_priv; 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int force_version; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *pending_phase2_resp; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { TLV_REQ_NONE, TLV_REQ_SUCCESS, TLV_REQ_FAILURE } tlv_request; 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int crypto_binding_sent; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int crypto_binding_used; 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { NO_BINDING, OPTIONAL_BINDING, REQUIRE_BINDING } crypto_binding; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 binding_nonce[32]; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 ipmk[40]; 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 cmk[20]; 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *phase2_key; 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t phase2_key_len; 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *soh_response; 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char * eap_peap_state_txt(int state) 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (state) { 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case START: 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "START"; 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE1: 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "PHASE1"; 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE1_ID2: 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "PHASE1_ID2"; 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_START: 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "PHASE2_START"; 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_ID: 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "PHASE2_ID"; 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_METHOD: 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "PHASE2_METHOD"; 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_SOH: 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "PHASE2_SOH"; 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_TLV: 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "PHASE2_TLV"; 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUCCESS_REQ: 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "SUCCESS_REQ"; 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case FAILURE_REQ: 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "FAILURE_REQ"; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUCCESS: 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "SUCCESS"; 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case FAILURE: 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "FAILURE"; 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "Unknown?!"; 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_peap_state(struct eap_peap_data *data, int state) 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: %s -> %s", 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state_txt(data->state), 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state_txt(state)); 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->state = state; 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_peap_req_success(struct eap_sm *sm, 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data) 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state == FAILURE || data->state == FAILURE_REQ) { 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->peap_version == 0) { 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->tlv_request = TLV_REQ_SUCCESS; 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, PHASE2_TLV); 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, SUCCESS_REQ); 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_peap_req_failure(struct eap_sm *sm, 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data) 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state == FAILURE || data->state == FAILURE_REQ || 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->state == SUCCESS_REQ || data->tlv_request != TLV_REQ_NONE) { 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->peap_version == 0) { 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->tlv_request = TLV_REQ_FAILURE; 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, PHASE2_TLV); 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE_REQ); 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void * eap_peap_init(struct eap_sm *sm) 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data; 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data = os_zalloc(sizeof(*data)); 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data == NULL) 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->peap_version = EAP_PEAP_VERSION; 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->force_version = -1; 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->user && sm->user->force_version >= 0) { 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->force_version = sm->user->force_version; 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: forcing version %d", 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->force_version); 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->peap_version = data->force_version; 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->state = START; 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->crypto_binding = OPTIONAL_BINDING; 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_server_tls_ssl_init(sm, &data->ssl, 0)) { 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-PEAP: Failed to initialize SSL."); 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_reset(sm, data); 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return data; 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_peap_reset(struct eap_sm *sm, void *priv) 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data = priv; 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data == NULL) 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->phase2_priv && data->phase2_method) 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->phase2_method->reset(sm, data->phase2_priv); 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_server_tls_ssl_deinit(sm, &data->ssl); 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->pending_phase2_resp); 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(data->phase2_key); 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->soh_response); 175c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt bin_clear_free(data, sizeof(*data)); 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eap_peap_build_start(struct eap_sm *sm, 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data, u8 id) 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *req; 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_PEAP, 1, 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_CODE_REQUEST, id); 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (req == NULL) { 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "EAP-PEAP: Failed to allocate memory for" 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " request"); 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(req, EAP_TLS_FLAGS_START | data->peap_version); 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, PHASE1); 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return req; 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eap_peap_build_phase2_req(struct eap_sm *sm, 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data, 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 id) 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *buf, *encr_req, msgbuf; 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *req; 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t req_len; 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->phase2_method == NULL || data->phase2_priv == NULL) { 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 method not ready"); 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf = data->phase2_method->buildReq(sm, data->phase2_priv, id); 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (buf == NULL) 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req = wpabuf_head(buf); 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req_len = wpabuf_len(buf); 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 data", 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req, req_len); 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->peap_version == 0 && 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->phase2_method->method != EAP_TYPE_TLV) { 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req += sizeof(struct eap_hdr); 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req_len -= sizeof(struct eap_hdr); 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_set(&msgbuf, req, req_len); 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_req = eap_server_tls_encrypt(sm, &data->ssl, &msgbuf); 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(buf); 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return encr_req; 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef EAP_SERVER_TNC 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eap_peap_build_phase2_soh(struct eap_sm *sm, 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data, 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 id) 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *buf1, *buf, *encr_req, msgbuf; 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *req; 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t req_len; 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf1 = tncs_build_soh_request(); 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (buf1 == NULL) 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf = eap_msg_alloc(EAP_VENDOR_MICROSOFT, 0x21, wpabuf_len(buf1), 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_CODE_REQUEST, id); 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (buf == NULL) { 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(buf1); 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(buf, buf1); 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(buf1); 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req = wpabuf_head(buf); 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req_len = wpabuf_len(buf); 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 SOH data", 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req, req_len); 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req += sizeof(struct eap_hdr); 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req_len -= sizeof(struct eap_hdr); 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_set(&msgbuf, req, req_len); 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_req = eap_server_tls_encrypt(sm, &data->ssl, &msgbuf); 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(buf); 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return encr_req; 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* EAP_SERVER_TNC */ 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_peap_get_isk(struct eap_peap_data *data, 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *isk, size_t isk_len) 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t key_len; 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(isk, 0, isk_len); 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->phase2_key == NULL) 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_len = data->phase2_key_len; 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key_len > isk_len) 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_len = isk_len; 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(isk, data->phase2_key, key_len); 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int eap_peap_derive_cmk(struct eap_sm *sm, struct eap_peap_data *data) 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *tk; 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 isk[32], imck[60]; 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Tunnel key (TK) is the first 60 octets of the key generated by 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * phase 1 of PEAP (based on TLS). 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tk = eap_server_tls_derive_key(sm, &data->ssl, "client EAP encryption", 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_TLS_KEY_LEN); 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (tk == NULL) 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: TK", tk, 60); 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_get_isk(data, isk, sizeof(isk)); 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: ISK", isk, sizeof(isk)); 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IPMK Seed = "Inner Methods Compound Keys" | ISK 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * TempKey = First 40 octets of TK 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IPMK|CMK = PRF+(TempKey, IPMK Seed, 60) 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * (note: draft-josefsson-pppext-eap-tls-eap-10.txt includes a space 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * in the end of the label just before ISK; is that just a typo?) 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: TempKey", tk, 40); 3181f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (peap_prfplus(data->peap_version, tk, 40, 3191f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "Inner Methods Compound Keys", 3201f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt isk, sizeof(isk), imck, sizeof(imck)) < 0) { 3211f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt os_free(tk); 3221f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return -1; 3231f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt } 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: IMCK (IPMKj)", 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt imck, sizeof(imck)); 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(tk); 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: fast-connect: IPMK|CMK = TK */ 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->ipmk, imck, 40); 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: IPMK (S-IPMKj)", data->ipmk, 40); 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->cmk, imck + 40, 20); 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CMK (CMKj)", data->cmk, 20); 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eap_peap_build_phase2_tlv(struct eap_sm *sm, 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data, 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 id) 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *buf, *encr_req; 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t mlen; 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mlen = 6; /* Result TLV */ 347216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidt if (data->peap_version == 0 && data->tlv_request == TLV_REQ_SUCCESS && 348216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidt data->crypto_binding != NO_BINDING) { 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mlen += 60; /* Cryptobinding TLV */ 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef EAP_SERVER_TNC 351216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidt if (data->soh_response) 352216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidt mlen += wpabuf_len(data->soh_response); 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* EAP_SERVER_TNC */ 354216983bceec7c450951e2fbcd076b5c75d432e57Dmitry Shmidt } 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_TLV, mlen, 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_CODE_REQUEST, id); 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (buf == NULL) 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, 0x80); /* Mandatory */ 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, EAP_TLV_RESULT_TLV); 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Length */ 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, 2); 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Status */ 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, data->tlv_request == TLV_REQ_SUCCESS ? 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_TLV_RESULT_SUCCESS : EAP_TLV_RESULT_FAILURE); 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->peap_version == 0 && data->tlv_request == TLV_REQ_SUCCESS && 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->crypto_binding != NO_BINDING) { 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *mac; 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 eap_type = EAP_TYPE_PEAP; 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *addr[2]; 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len[2]; 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 tlv_type; 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef EAP_SERVER_TNC 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->soh_response) { 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Adding MS-SOH " 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Response TLV"); 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(buf, data->soh_response); 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->soh_response); 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->soh_response = NULL; 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* EAP_SERVER_TNC */ 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_peap_derive_cmk(sm, data) < 0 || 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt random_get_bytes(data->binding_nonce, 32)) { 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(buf); 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Compound_MAC: HMAC-SHA1-160(cryptobinding TLV | EAP type) */ 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0] = wpabuf_put(buf, 0); 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[0] = 60; 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1] = &eap_type; 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len[1] = 1; 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tlv_type = EAP_TLV_CRYPTO_BINDING_TLV; 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, tlv_type); 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(buf, 56); 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, 0); /* Reserved */ 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, data->peap_version); /* Version */ 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, data->recv_version); /* RecvVersion */ 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(buf, 0); /* SubType: 0 = Request, 1 = Response */ 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(buf, data->binding_nonce, 32); /* Nonce */ 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mac = wpabuf_put(buf, 20); /* Compound_MAC */ 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC CMK", 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->cmk, 20); 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC data 1", 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[0], len[0]); 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC data 2", 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt addr[1], len[1]); 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha1_vector(data->cmk, 20, 2, addr, len, mac); 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_MSGDUMP, "EAP-PEAP: Compound_MAC", 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mac, SHA1_MAC_LEN); 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->crypto_binding_sent = 1; 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_buf_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 TLV data", 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf); 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_req = eap_server_tls_encrypt(sm, &data->ssl, buf); 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(buf); 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return encr_req; 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eap_peap_build_phase2_term(struct eap_sm *sm, 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data, 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 id, int success) 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *encr_req, msgbuf; 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t req_len; 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_hdr *hdr; 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req_len = sizeof(*hdr); 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = os_zalloc(req_len); 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (hdr == NULL) 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->code = success ? EAP_CODE_SUCCESS : EAP_CODE_FAILURE; 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->identifier = id; 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->length = host_to_be16(req_len); 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: Encrypting Phase 2 data", 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (u8 *) hdr, req_len); 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_set(&msgbuf, hdr, req_len); 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt encr_req = eap_server_tls_encrypt(sm, &data->ssl, &msgbuf); 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(hdr); 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return encr_req; 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eap_peap_buildReq(struct eap_sm *sm, void *priv, u8 id) 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data = priv; 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->ssl.state == FRAG_ACK) { 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_server_tls_build_ack(id, EAP_TYPE_PEAP, 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->peap_version); 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->ssl.state == WAIT_FRAG_ACK) { 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_PEAP, 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->peap_version, id); 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (data->state) { 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case START: 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_peap_build_start(sm, data, id); 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE1: 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE1_ID2: 478fb79edc9df1f20461e90e478363d207348213d35Dmitry Shmidt if (tls_connection_established(sm->ssl_ctx, data->ssl.conn)) { 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase1 done, " 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "starting Phase2"); 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, PHASE2_START); 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_ID: 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_METHOD: 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->ssl.tls_out); 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->ssl.tls_out_pos = 0; 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->ssl.tls_out = eap_peap_build_phase2_req(sm, data, id); 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef EAP_SERVER_TNC 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_SOH: 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->ssl.tls_out); 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->ssl.tls_out_pos = 0; 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->ssl.tls_out = eap_peap_build_phase2_soh(sm, data, id); 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* EAP_SERVER_TNC */ 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_TLV: 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->ssl.tls_out); 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->ssl.tls_out_pos = 0; 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->ssl.tls_out = eap_peap_build_phase2_tlv(sm, data, id); 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUCCESS_REQ: 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->ssl.tls_out); 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->ssl.tls_out_pos = 0; 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->ssl.tls_out = eap_peap_build_phase2_term(sm, data, id, 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1); 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case FAILURE_REQ: 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->ssl.tls_out); 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->ssl.tls_out_pos = 0; 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->ssl.tls_out = eap_peap_build_phase2_term(sm, data, id, 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 0); 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: %s - unexpected state %d", 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt __func__, data->state); 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_server_tls_build_msg(&data->ssl, EAP_TYPE_PEAP, 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->peap_version, id); 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eap_peap_check(struct eap_sm *sm, void *priv, 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *respData) 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos; 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_PEAP, respData, &len); 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos == NULL || len < 1) { 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-PEAP: Invalid frame"); 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return TRUE; 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int eap_peap_phase2_init(struct eap_sm *sm, struct eap_peap_data *data, 542af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt int vendor, EapType eap_type) 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->phase2_priv && data->phase2_method) { 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->phase2_method->reset(sm, data->phase2_priv); 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->phase2_method = NULL; 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->phase2_priv = NULL; 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 549af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt data->phase2_method = eap_server_get_eap_method(vendor, eap_type); 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!data->phase2_method) 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->init_phase2 = 1; 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->phase2_priv = data->phase2_method->init(sm); 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->init_phase2 = 0; 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int eap_tlv_validate_cryptobinding(struct eap_sm *sm, 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data, 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *crypto_tlv, 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t crypto_tlv_len) 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 buf[61], mac[SHA1_MAC_LEN]; 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos; 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (crypto_tlv_len != 4 + 56) { 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Invalid cryptobinding TLV " 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "length %d", (int) crypto_tlv_len); 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = crypto_tlv; 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 4; /* TLV header */ 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] != data->peap_version) { 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Cryptobinding TLV Version " 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "mismatch (was %d; expected %d)", 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[1], data->peap_version); 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[3] != 1) { 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Unexpected Cryptobinding TLV " 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "SubType %d", pos[3]); 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 4; 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 32; /* Nonce */ 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Compound_MAC: HMAC-SHA1-160(cryptobinding TLV | EAP type) */ 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(buf, crypto_tlv, 60); 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(buf + 4 + 4 + 32, 0, 20); /* Compound_MAC */ 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf[60] = EAP_TYPE_PEAP; 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hmac_sha1(data->cmk, 20, buf, sizeof(buf), mac); 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 597c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt if (os_memcmp_const(mac, pos, SHA1_MAC_LEN) != 0) { 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Invalid Compound_MAC in " 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "cryptobinding TLV"); 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CMK", data->cmk, 20); 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Cryptobinding seed data", 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf, 61); 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Valid cryptobinding TLV received"); 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_peap_process_phase2_tlv(struct eap_sm *sm, 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data, 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *in_data) 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos; 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t left; 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *result_tlv = NULL, *crypto_tlv = NULL; 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t result_tlv_len = 0, crypto_tlv_len = 0; 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int tlv_type, mandatory, tlv_len; 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_TLV, in_data, &left); 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos == NULL) { 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Invalid EAP-TLV header"); 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Parse TLVs */ 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Received TLVs", pos, left); 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (left >= 4) { 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mandatory = !!(pos[0] & 0x80); 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tlv_type = pos[0] & 0x3f; 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tlv_type = (tlv_type << 8) | pos[1]; 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tlv_len = ((int) pos[2] << 8) | pos[3]; 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 4; 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt left -= 4; 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((size_t) tlv_len > left) { 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: TLV underrun " 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(tlv_len=%d left=%lu)", tlv_len, 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) left); 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (tlv_type) { 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_TLV_RESULT_TLV: 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt result_tlv = pos; 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt result_tlv_len = tlv_len; 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_TLV_CRYPTO_BINDING_TLV: 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_tlv = pos; 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_tlv_len = tlv_len; 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Unsupported TLV Type " 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "%d%s", tlv_type, 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mandatory ? " (mandatory)" : ""); 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mandatory) { 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Ignore this TLV, but process other TLVs */ 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += tlv_len; 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt left -= tlv_len; 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (left) { 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Last TLV too short in " 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Request (left=%lu)", (unsigned long) left); 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Process supported TLVs */ 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (crypto_tlv && data->crypto_binding_sent) { 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Cryptobinding TLV", 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_tlv, crypto_tlv_len); 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_tlv_validate_cryptobinding(sm, data, crypto_tlv - 4, 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt crypto_tlv_len + 4) < 0) { 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->crypto_binding_used = 1; 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (!crypto_tlv && data->crypto_binding_sent && 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->crypto_binding == REQUIRE_BINDING) { 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: No cryptobinding TLV"); 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (result_tlv) { 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int status; 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const char *requested; 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Result TLV", 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt result_tlv, result_tlv_len); 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (result_tlv_len < 2) { 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-PEAP: Too short Result TLV " 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(len=%lu)", 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) result_tlv_len); 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt requested = data->tlv_request == TLV_REQ_SUCCESS ? "Success" : 7068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Failure"; 7078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt status = WPA_GET_BE16(result_tlv); 7088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (status == EAP_TLV_RESULT_SUCCESS) { 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-PEAP: TLV Result - Success " 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "- requested %s", requested); 7118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->tlv_request == TLV_REQ_SUCCESS) 7128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, SUCCESS); 7138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 7148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 7158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (status == EAP_TLV_RESULT_FAILURE) { 7178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-PEAP: TLV Result - Failure " 7188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "- requested %s", requested); 7198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 7208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 7218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-PEAP: Unknown TLV Result " 7228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Status %d", status); 7238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 7248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef EAP_SERVER_TNC 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_peap_process_phase2_soh(struct eap_sm *sm, 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data, 7328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *in_data) 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos, *vpos; 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t left; 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *soh_tlv = NULL; 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t soh_tlv_len = 0; 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int tlv_type, mandatory, tlv_len, vtlv_len; 739af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt u32 next_type; 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 vendor_id; 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = eap_hdr_validate(EAP_VENDOR_MICROSOFT, 0x21, in_data, &left); 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos == NULL) { 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Not a valid SoH EAP " 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Extensions Method header - skip TNC"); 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt goto auth_method; 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Parse TLVs */ 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Received TLVs (SoH)", pos, left); 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt while (left >= 4) { 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mandatory = !!(pos[0] & 0x80); 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tlv_type = pos[0] & 0x3f; 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tlv_type = (tlv_type << 8) | pos[1]; 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tlv_len = ((int) pos[2] << 8) | pos[3]; 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 4; 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt left -= 4; 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if ((size_t) tlv_len > left) { 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: TLV underrun " 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(tlv_len=%d left=%lu)", tlv_len, 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) left); 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (tlv_type) { 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_TLV_VENDOR_SPECIFIC_TLV: 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (tlv_len < 4) { 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Too short " 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "vendor specific TLV (len=%d)", 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (int) tlv_len); 7718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 7728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vendor_id = WPA_GET_BE32(pos); 7768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (vendor_id != EAP_VENDOR_MICROSOFT) { 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mandatory) { 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vpos = pos + 4; 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mandatory = !!(vpos[0] & 0x80); 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tlv_type = vpos[0] & 0x3f; 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt tlv_type = (tlv_type << 8) | vpos[1]; 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vtlv_len = ((int) vpos[2] << 8) | vpos[3]; 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt vpos += 4; 7908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (vpos + vtlv_len > pos + left) { 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Vendor TLV " 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "underrun"); 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (tlv_type == 1) { 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt soh_tlv = vpos; 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt soh_tlv_len = vtlv_len; 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Unsupported MS-TLV " 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Type %d%s", tlv_type, 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mandatory ? " (mandatory)" : ""); 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mandatory) { 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Ignore this TLV, but process other TLVs */ 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Unsupported TLV Type " 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "%d%s", tlv_type, 8158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt mandatory ? " (mandatory)" : ""); 8168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mandatory) { 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Ignore this TLV, but process other TLVs */ 8218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += tlv_len; 8258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt left -= tlv_len; 8268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (left) { 8288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Last TLV too short in " 8298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Request (left=%lu)", (unsigned long) left); 8308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 8318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Process supported TLVs */ 8358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (soh_tlv) { 8368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int failure = 0; 8378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->soh_response); 8388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->soh_response = tncs_process_soh(soh_tlv, soh_tlv_len, 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &failure); 8408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (failure) { 8418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 8428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 8458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: No SoH TLV received"); 8468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 8478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtauth_method: 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, PHASE2_METHOD); 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt next_type = sm->user->methods[0].method; 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->user_eap_method_index = 1; 854af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: try EAP vendor %d type %d", 855af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt sm->user->methods[0].vendor, next_type); 856af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt eap_peap_phase2_init(sm, data, sm->user->methods[0].vendor, next_type); 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* EAP_SERVER_TNC */ 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_peap_process_phase2_response(struct eap_sm *sm, 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data, 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *in_data) 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 865af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt int next_vendor = EAP_VENDOR_IETF; 866af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt u32 next_type = EAP_TYPE_NONE; 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eap_hdr *hdr; 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos; 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t left; 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state == PHASE2_TLV) { 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_process_phase2_tlv(sm, data, in_data); 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef EAP_SERVER_TNC 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state == PHASE2_SOH) { 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_process_phase2_soh(sm, data, in_data); 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* EAP_SERVER_TNC */ 8828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->phase2_priv == NULL) { 8848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: %s - Phase2 not " 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "initialized?!", __func__); 8868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 8878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = wpabuf_head(in_data); 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = (const u8 *) (hdr + 1); 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpabuf_len(in_data) > sizeof(*hdr) && *pos == EAP_TYPE_NAK) { 8938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt left = wpabuf_len(in_data) - sizeof(*hdr); 8948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Phase2 type Nak'ed; " 8958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "allowed types", pos + 1, left - 1); 8968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_sm_process_nak(sm, pos + 1, left - 1); 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->user && sm->user_eap_method_index < EAP_MAX_METHODS && 898af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt (sm->user->methods[sm->user_eap_method_index].vendor != 899af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt EAP_VENDOR_IETF || 900af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt sm->user->methods[sm->user_eap_method_index].method != 901af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt EAP_TYPE_NONE)) { 902af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt next_vendor = sm->user->methods[ 903af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt sm->user_eap_method_index].vendor; 9048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt next_type = sm->user->methods[ 9058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->user_eap_method_index++].method; 906af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt wpa_printf(MSG_DEBUG, 907af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt "EAP-PEAP: try EAP vendor %d type 0x%x", 908af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt next_vendor, next_type); 9098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 9108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_req_failure(sm, data); 911af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt next_vendor = EAP_VENDOR_IETF; 9128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt next_type = EAP_TYPE_NONE; 9138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 914af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt eap_peap_phase2_init(sm, data, next_vendor, next_type); 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->phase2_method->check(sm, data->phase2_priv, in_data)) { 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 check() asked to " 9208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ignore the packet"); 9218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 9228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->phase2_method->process(sm, data->phase2_priv, in_data); 9258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->method_pending == METHOD_PENDING_WAIT) { 9278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 method is in " 9288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "pending wait state - save decrypted response"); 9298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->pending_phase2_resp); 9308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->pending_phase2_resp = wpabuf_dup(in_data); 9318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!data->phase2_method->isDone(sm, data->phase2_priv)) 9348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 9358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!data->phase2_method->isSuccess(sm, data->phase2_priv)) { 9378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 method failed"); 9388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_req_failure(sm, data); 939af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt next_vendor = EAP_VENDOR_IETF; 9408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt next_type = EAP_TYPE_NONE; 941af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt eap_peap_phase2_init(sm, data, next_vendor, next_type); 9428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 9438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(data->phase2_key); 9468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->phase2_method->getKey) { 9478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->phase2_key = data->phase2_method->getKey( 9488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm, data->phase2_priv, &data->phase2_key_len); 9498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->phase2_key == NULL) { 9508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase2 getKey " 9518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "failed"); 9528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_req_failure(sm, data); 953af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt eap_peap_phase2_init(sm, data, EAP_VENDOR_IETF, 954af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt EAP_TYPE_NONE); 9558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 9568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (data->state) { 9608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE1_ID2: 9618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_ID: 9628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_SOH: 9638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_user_get(sm, sm->identity, sm->identity_len, 1) != 0) { 9648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "EAP_PEAP: Phase2 " 9658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Identity not found in the user " 9668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "database", 9678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->identity, sm->identity_len); 9688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_req_failure(sm, data); 969af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt next_vendor = EAP_VENDOR_IETF; 9708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt next_type = EAP_TYPE_NONE; 9718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 9728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef EAP_SERVER_TNC 9758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state != PHASE2_SOH && sm->tnc && 9768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->peap_version == 0) { 9778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, PHASE2_SOH); 9788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Try to initialize " 9798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "TNC (NAP SOH)"); 980af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt next_vendor = EAP_VENDOR_IETF; 9818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt next_type = EAP_TYPE_NONE; 9828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 9838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* EAP_SERVER_TNC */ 9858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, PHASE2_METHOD); 987af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt next_vendor = sm->user->methods[0].vendor; 9888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt next_type = sm->user->methods[0].method; 9898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->user_eap_method_index = 1; 990af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: try EAP vendor %d type 0x%x", 991af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt next_vendor, next_type); 9928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 9938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_METHOD: 9948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_req_success(sm, data); 995af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt next_vendor = EAP_VENDOR_IETF; 9968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt next_type = EAP_TYPE_NONE; 9978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 9988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case FAILURE: 9998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 10008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 10018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: %s - unexpected state %d", 10028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt __func__, data->state); 10038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 10048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1006af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt eap_peap_phase2_init(sm, data, next_vendor, next_type); 10078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 10088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_peap_process_phase2(struct eap_sm *sm, 10118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data, 10128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *respData, 10138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *in_buf) 10148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 10158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *in_decrypted; 10168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eap_hdr *hdr; 10178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 10188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: received %lu bytes encrypted data for" 10208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " Phase 2", (unsigned long) wpabuf_len(in_buf)); 10218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->pending_phase2_resp) { 10238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Pending Phase 2 response - " 10248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "skip decryption and use old data"); 10258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_process_phase2_response(sm, data, 10268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->pending_phase2_resp); 10278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(data->pending_phase2_resp); 10288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->pending_phase2_resp = NULL; 10298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 10308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt in_decrypted = tls_connection_decrypt(sm->ssl_ctx, data->ssl.conn, 10338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt in_buf); 10348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (in_decrypted == NULL) { 10358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-PEAP: Failed to decrypt Phase 2 " 10368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "data"); 10378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 10388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 10398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_buf_key(MSG_DEBUG, "EAP-PEAP: Decrypted Phase 2 EAP", 10428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt in_decrypted); 10438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->peap_version == 0 && data->state != PHASE2_TLV) { 10458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eap_hdr *resp; 10468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_hdr *nhdr; 10478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *nbuf = 10488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_alloc(sizeof(struct eap_hdr) + 10498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_len(in_decrypted)); 10508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (nbuf == NULL) { 10518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(in_decrypted); 10528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 10538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt resp = wpabuf_head(respData); 10568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt nhdr = wpabuf_put(nbuf, sizeof(*nhdr)); 10578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt nhdr->code = resp->code; 10588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt nhdr->identifier = resp->identifier; 10598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt nhdr->length = host_to_be16(sizeof(struct eap_hdr) + 10608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_len(in_decrypted)); 10618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_buf(nbuf, in_decrypted); 10628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(in_decrypted); 10638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt in_decrypted = nbuf; 10658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 10678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = wpabuf_head(in_decrypted); 10688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpabuf_len(in_decrypted) < (int) sizeof(*hdr)) { 10698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-PEAP: Too short Phase 2 " 10708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "EAP frame (len=%lu)", 10718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) wpabuf_len(in_decrypted)); 10728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(in_decrypted); 10738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_req_failure(sm, data); 10748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 10758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = be_to_host16(hdr->length); 10778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (len > wpabuf_len(in_decrypted)) { 10788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-PEAP: Length mismatch in " 10798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Phase 2 EAP frame (len=%lu hdr->length=%lu)", 10808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) wpabuf_len(in_decrypted), 10818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len); 10828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(in_decrypted); 10838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_req_failure(sm, data); 10848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 10858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: received Phase 2: code=%d " 10878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "identifier=%d length=%lu", hdr->code, hdr->identifier, 10888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) len); 10898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (hdr->code) { 10908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_CODE_RESPONSE: 10918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_process_phase2_response(sm, data, in_decrypted); 10928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 10938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_CODE_SUCCESS: 10948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 Success"); 10958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state == SUCCESS_REQ) { 10968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, SUCCESS); 10978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 10988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 10998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_CODE_FAILURE: 11008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Phase 2 Failure"); 11018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 11028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 11038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 11048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-PEAP: Unexpected code=%d in " 11058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Phase 2 EAP header", hdr->code); 11068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 11078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_free(in_decrypted); 11108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int eap_peap_process_version(struct eap_sm *sm, void *priv, 11148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int peer_version) 11158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data = priv; 11178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->recv_version = peer_version; 11198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->force_version >= 0 && peer_version != data->force_version) { 11208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-PEAP: peer did not select the forced" 11218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt " version (forced=%d peer=%d) - reject", 11228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->force_version, peer_version); 11238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 11248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (peer_version < data->peap_version) { 11268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: peer ver=%d, own ver=%d; " 11278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "use version %d", 11288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt peer_version, data->peap_version, peer_version); 11298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->peap_version = peer_version; 11308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 11338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_peap_process_msg(struct eap_sm *sm, void *priv, 11378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct wpabuf *respData) 11388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data = priv; 11408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (data->state) { 11428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE1: 11438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_server_tls_phase1(sm, &data->ssl) < 0) { 11448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 11458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 11468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 11488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_START: 11498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, PHASE2_ID); 1150af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt eap_peap_phase2_init(sm, data, EAP_VENDOR_IETF, 1151af9da3180dc20f57df1fc1e1811f3df9fa9e6ab5Dmitry Shmidt EAP_TYPE_IDENTITY); 11528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 11538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE1_ID2: 11548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_ID: 11558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_METHOD: 11568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_SOH: 11578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case PHASE2_TLV: 11588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_process_phase2(sm, data, respData, data->ssl.tls_in); 11598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 11608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUCCESS_REQ: 11618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, SUCCESS); 11628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 11638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case FAILURE_REQ: 11648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 11658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 11668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 11678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Unexpected state %d in %s", 11688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->state, __func__); 11698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 11708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 11718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_peap_process(struct eap_sm *sm, void *priv, 11758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *respData) 11768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data = priv; 11788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_server_tls_process(sm, &data->ssl, respData, data, 11798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_TYPE_PEAP, eap_peap_process_version, 11808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_process_msg) < 0) 11818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_peap_state(data, FAILURE); 11828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eap_peap_isDone(struct eap_sm *sm, void *priv) 11868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data = priv; 11888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return data->state == SUCCESS || data->state == FAILURE; 11898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 11908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * eap_peap_getKey(struct eap_sm *sm, void *priv, size_t *len) 11938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 11948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data = priv; 11958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *eapKeyData; 11968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 11978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state != SUCCESS) 11988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 11998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->crypto_binding_used) { 12018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 csk[128]; 12028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 12038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Note: It looks like Microsoft implementation requires null 12048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * termination for this label while the one used for deriving 12058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * IPMK|CMK did not use null termination. 12068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 12071f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (peap_prfplus(data->peap_version, data->ipmk, 40, 12081f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt "Session Key Generating Function", 12091f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt (u8 *) "\00", 1, csk, sizeof(csk)) < 0) 12101f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt return NULL; 12118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "EAP-PEAP: CSK", csk, sizeof(csk)); 12128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapKeyData = os_malloc(EAP_TLS_KEY_LEN); 12138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eapKeyData) { 12148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(eapKeyData, csk, EAP_TLS_KEY_LEN); 12158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = EAP_TLS_KEY_LEN; 12168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Derived key", 12178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapKeyData, EAP_TLS_KEY_LEN); 12188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 12198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Failed to derive " 12208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "key"); 12218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eapKeyData; 12248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: PEAPv1 - different label in some cases */ 12278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapKeyData = eap_server_tls_derive_key(sm, &data->ssl, 12288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "client EAP encryption", 12298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_TLS_KEY_LEN); 12308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eapKeyData) { 12318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = EAP_TLS_KEY_LEN; 12328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-PEAP: Derived key", 12338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eapKeyData, EAP_TLS_KEY_LEN); 12348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 12358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-PEAP: Failed to derive key"); 12368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 12378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eapKeyData; 12398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eap_peap_isSuccess(struct eap_sm *sm, void *priv) 12438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_peap_data *data = priv; 12458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return data->state == SUCCESS; 12468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 12478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12496c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidtstatic u8 * eap_peap_get_session_id(struct eap_sm *sm, void *priv, size_t *len) 12506c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt{ 12516c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt struct eap_peap_data *data = priv; 12526c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 12536c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt if (data->state != SUCCESS) 12546c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return NULL; 12556c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 12566c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt return eap_server_tls_derive_session_id(sm, &data->ssl, EAP_TYPE_PEAP, 12576c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt len); 12586c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt} 12596c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 12606c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt 12618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eap_server_peap_register(void) 12628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 12638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_method *eap; 12648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 12658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION, 12678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_VENDOR_IETF, EAP_TYPE_PEAP, "PEAP"); 12688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap == NULL) 12698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 12708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->init = eap_peap_init; 12728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->reset = eap_peap_reset; 12738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->buildReq = eap_peap_buildReq; 12748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->check = eap_peap_check; 12758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->process = eap_peap_process; 12768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->isDone = eap_peap_isDone; 12778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->getKey = eap_peap_getKey; 12788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->isSuccess = eap_peap_isSuccess; 12796c0da2bb83f6915d8260912362692d1a742e057bDmitry Shmidt eap->getSessionId = eap_peap_get_session_id; 12808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = eap_server_method_register(eap); 12828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret) 12838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_server_method_free(eap); 12848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 12858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1286