18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd / EAP-GPSK (RFC 5433) server 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2006-2007, 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/random.h" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_server/eap_i.h" 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eap_common/eap_gpsk_common.h" 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct eap_gpsk_data { 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt enum { GPSK_1, GPSK_3, SUCCESS, FAILURE } state; 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 rand_server[EAP_GPSK_RAND_LEN]; 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 rand_peer[EAP_GPSK_RAND_LEN]; 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 msk[EAP_MSK_LEN]; 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 emsk[EAP_EMSK_LEN]; 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 sk[EAP_GPSK_MAX_SK_LEN]; 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t sk_len; 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 pk[EAP_GPSK_MAX_PK_LEN]; 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t pk_len; 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *id_peer; 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t id_peer_len; 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *id_server; 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t id_server_len; 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#define MAX_NUM_CSUITES 2 328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_csuite csuite_list[MAX_NUM_CSUITES]; 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t csuite_count; 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int vendor; /* CSuite/Vendor */ 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int specifier; /* CSuite/Specifier */ 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic const char * eap_gpsk_state_txt(int state) 408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (state) { 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case GPSK_1: 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "GPSK-1"; 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case GPSK_3: 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "GPSK-3"; 468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case SUCCESS: 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "SUCCESS"; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case FAILURE: 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "FAILURE"; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return "?"; 528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_gpsk_state(struct eap_gpsk_data *data, int state) 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: %s -> %s", 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state_txt(data->state), 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state_txt(state)); 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->state = state; 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void * eap_gpsk_init(struct eap_sm *sm) 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data; 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data = os_zalloc(sizeof(*data)); 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data == NULL) 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->state = GPSK_1; 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: add support for configuring ID_Server */ 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->id_server = (u8 *) os_strdup("hostapd"); 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->id_server) 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->id_server_len = os_strlen((char *) data->id_server); 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->csuite_count = 0; 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_gpsk_supported_ciphersuite(EAP_GPSK_VENDOR_IETF, 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_GPSK_CIPHER_AES)) { 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_BE32(data->csuite_list[data->csuite_count].vendor, 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_GPSK_VENDOR_IETF); 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_BE16(data->csuite_list[data->csuite_count].specifier, 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_GPSK_CIPHER_AES); 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->csuite_count++; 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_gpsk_supported_ciphersuite(EAP_GPSK_VENDOR_IETF, 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_GPSK_CIPHER_SHA256)) { 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_BE32(data->csuite_list[data->csuite_count].vendor, 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_GPSK_VENDOR_IETF); 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_BE16(data->csuite_list[data->csuite_count].specifier, 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_GPSK_CIPHER_SHA256); 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->csuite_count++; 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return data; 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_gpsk_reset(struct eap_sm *sm, void *priv) 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(data->id_server); 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(data->id_peer); 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(data); 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eap_gpsk_build_gpsk_1(struct eap_sm *sm, 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data, u8 id) 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *req; 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Request/GPSK-1"); 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(data->rand_server, EAP_GPSK_RAND_LEN)) { 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "EAP-GPSK: Failed to get random data"); 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_MSGDUMP, "EAP-GPSK: RAND_Server", 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->rand_server, EAP_GPSK_RAND_LEN); 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = 1 + 2 + data->id_server_len + EAP_GPSK_RAND_LEN + 2 + 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->csuite_count * sizeof(struct eap_gpsk_csuite); 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GPSK, len, 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_CODE_REQUEST, id); 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (req == NULL) { 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "EAP-GPSK: Failed to allocate memory " 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "for request/GPSK-1"); 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(req, EAP_GPSK_OPCODE_GPSK_1); 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(req, data->id_server_len); 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(req, data->id_server, data->id_server_len); 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(req, data->rand_server, EAP_GPSK_RAND_LEN); 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(req, 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->csuite_count * sizeof(struct eap_gpsk_csuite)); 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(req, data->csuite_list, 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->csuite_count * sizeof(struct eap_gpsk_csuite)); 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return req; 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eap_gpsk_build_gpsk_3(struct eap_sm *sm, 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data, u8 id) 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pos, *start; 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len, miclen; 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_csuite *csuite; 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *req; 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Request/GPSK-3"); 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt miclen = eap_gpsk_mic_len(data->vendor, data->specifier); 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt len = 1 + 2 * EAP_GPSK_RAND_LEN + 2 + data->id_server_len + 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(struct eap_gpsk_csuite) + 2 + miclen; 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GPSK, len, 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_CODE_REQUEST, id); 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (req == NULL) { 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "EAP-GPSK: Failed to allocate memory " 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "for request/GPSK-3"); 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(req, EAP_GPSK_OPCODE_GPSK_3); 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start = wpabuf_put(req, 0); 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(req, data->rand_peer, EAP_GPSK_RAND_LEN); 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(req, data->rand_server, EAP_GPSK_RAND_LEN); 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(req, data->id_server_len); 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(req, data->id_server, data->id_server_len); 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt csuite = wpabuf_put(req, sizeof(*csuite)); 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_BE32(csuite->vendor, data->vendor); 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_BE16(csuite->specifier, data->specifier); 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* no PD_Payload_2 */ 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(req, 0); 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = wpabuf_put(req, miclen); 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_gpsk_compute_mic(data->sk, data->sk_len, data->vendor, 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->specifier, start, pos - start, pos) < 0) 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(req); 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return req; 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eap_gpsk_buildReq(struct eap_sm *sm, void *priv, u8 id) 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (data->state) { 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case GPSK_1: 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_gpsk_build_gpsk_1(sm, data, id); 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case GPSK_3: 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_gpsk_build_gpsk_3(sm, data, id); 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Unknown state %d in buildReq", 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->state); 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eap_gpsk_check(struct eap_sm *sm, void *priv, 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *respData) 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos; 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GPSK, respData, &len); 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos == NULL || len < 1) { 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-GPSK: Invalid frame"); 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return TRUE; 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Received frame: opcode=%d", *pos); 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state == GPSK_1 && *pos == EAP_GPSK_OPCODE_GPSK_2) 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state == GPSK_3 && *pos == EAP_GPSK_OPCODE_GPSK_4) 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-GPSK: Unexpected opcode=%d in state=%d", 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos, data->state); 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return TRUE; 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_gpsk_process_gpsk_2(struct eap_sm *sm, 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data, 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *payload, size_t payloadlen) 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos, *end; 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 alen; 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eap_gpsk_csuite *csuite; 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i, miclen; 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 mic[EAP_GPSK_MAX_MIC_LEN]; 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state != GPSK_1) 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Received Response/GPSK-2"); 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = payload; 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt end = payload + payloadlen; 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 2) { 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ID_Peer length"); 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt alen = WPA_GET_BE16(pos); 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < alen) { 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ID_Peer"); 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(data->id_peer); 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->id_peer = os_malloc(alen); 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->id_peer == NULL) { 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Not enough memory to store " 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "%d-octet ID_Peer", alen); 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->id_peer, pos, alen); 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->id_peer_len = alen; 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "EAP-GPSK: ID_Peer", 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->id_peer, data->id_peer_len); 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += alen; 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 2) { 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ID_Server length"); 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt alen = WPA_GET_BE16(pos); 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < alen) { 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ID_Server"); 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (alen != data->id_server_len || 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(pos, data->id_server, alen) != 0) { 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: ID_Server in GPSK-1 and " 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "GPSK-2 did not match"); 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += alen; 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < EAP_GPSK_RAND_LEN) { 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "RAND_Peer"); 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->rand_peer, pos, EAP_GPSK_RAND_LEN); 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Peer", 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->rand_peer, EAP_GPSK_RAND_LEN); 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += EAP_GPSK_RAND_LEN; 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < EAP_GPSK_RAND_LEN) { 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "RAND_Server"); 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(data->rand_server, pos, EAP_GPSK_RAND_LEN) != 0) { 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: RAND_Server in GPSK-1 and " 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "GPSK-2 did not match"); 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Server in GPSK-1", 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->rand_server, EAP_GPSK_RAND_LEN); 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Server in GPSK-2", 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos, EAP_GPSK_RAND_LEN); 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += EAP_GPSK_RAND_LEN; 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 2) { 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "CSuite_List length"); 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt alen = WPA_GET_BE16(pos); 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < alen) { 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "CSuite_List"); 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (alen != data->csuite_count * sizeof(struct eap_gpsk_csuite) || 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(pos, data->csuite_list, alen) != 0) { 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: CSuite_List in GPSK-1 and " 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "GPSK-2 did not match"); 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += alen; 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < (int) sizeof(*csuite)) { 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "CSuite_Sel"); 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt csuite = (const struct eap_gpsk_csuite *) pos; 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < data->csuite_count; i++) { 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(csuite, &data->csuite_list[i], sizeof(*csuite)) 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt == 0) 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (i == data->csuite_count) { 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Peer selected unsupported " 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ciphersuite %d:%d", 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE32(csuite->vendor), 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(csuite->specifier)); 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->vendor = WPA_GET_BE32(csuite->vendor); 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->specifier = WPA_GET_BE16(csuite->specifier); 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: CSuite_Sel %d:%d", 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->vendor, data->specifier); 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += sizeof(*csuite); 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 2) { 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PD_Payload_1 length"); 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt alen = WPA_GET_BE16(pos); 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < alen) { 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PD_Payload_1"); 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: PD_Payload_1", pos, alen); 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += alen; 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->user == NULL || sm->user->password == NULL) { 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-GPSK: No PSK/password configured " 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "for the user"); 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_gpsk_derive_keys(sm->user->password, sm->user->password_len, 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->vendor, data->specifier, 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->rand_peer, data->rand_server, 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->id_peer, data->id_peer_len, 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->id_server, data->id_server_len, 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->msk, data->emsk, 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->sk, &data->sk_len, 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->pk, &data->pk_len) < 0) { 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to derive keys"); 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt miclen = eap_gpsk_mic_len(data->vendor, data->specifier); 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < (int) miclen) { 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for MIC " 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(left=%lu miclen=%lu)", 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) (end - pos), 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) miclen); 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_gpsk_compute_mic(data->sk, data->sk_len, data->vendor, 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->specifier, payload, pos - payload, mic) 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt < 0) { 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to compute MIC"); 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(mic, pos, miclen) != 0) { 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-GPSK: Incorrect MIC in GPSK-2"); 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Received MIC", pos, miclen); 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Computed MIC", mic, miclen); 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += miclen; 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos != end) { 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Ignored %lu bytes of extra " 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "data in the end of GPSK-2", 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) (end - pos)); 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, GPSK_3); 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_gpsk_process_gpsk_4(struct eap_sm *sm, 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data, 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *payload, size_t payloadlen) 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos, *end; 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 alen; 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t miclen; 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 mic[EAP_GPSK_MAX_MIC_LEN]; 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state != GPSK_3) 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Received Response/GPSK-4"); 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = payload; 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt end = payload + payloadlen; 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 2) { 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PD_Payload_1 length"); 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt alen = WPA_GET_BE16(pos); 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < alen) { 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PD_Payload_1"); 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: PD_Payload_1", pos, alen); 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += alen; 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt miclen = eap_gpsk_mic_len(data->vendor, data->specifier); 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < (int) miclen) { 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for MIC " 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(left=%lu miclen=%lu)", 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) (end - pos), 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) miclen); 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_gpsk_compute_mic(data->sk, data->sk_len, data->vendor, 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->specifier, payload, pos - payload, mic) 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt < 0) { 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to compute MIC"); 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(mic, pos, miclen) != 0) { 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-GPSK: Incorrect MIC in GPSK-4"); 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Received MIC", pos, miclen); 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Computed MIC", mic, miclen); 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += miclen; 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos != end) { 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Ignored %lu bytes of extra " 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "data in the end of GPSK-4", 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) (end - pos)); 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, SUCCESS); 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_gpsk_process(struct eap_sm *sm, void *priv, 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *respData) 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos; 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GPSK, respData, &len); 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos == NULL || len < 1) 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (*pos) { 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_GPSK_OPCODE_GPSK_2: 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_process_gpsk_2(sm, data, pos + 1, len - 1); 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_GPSK_OPCODE_GPSK_4: 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_process_gpsk_4(sm, data, pos + 1, len - 1); 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eap_gpsk_isDone(struct eap_sm *sm, void *priv) 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return data->state == SUCCESS || data->state == FAILURE; 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * eap_gpsk_getKey(struct eap_sm *sm, void *priv, size_t *len) 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *key; 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state != SUCCESS) 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = os_malloc(EAP_MSK_LEN); 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key == NULL) 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(key, data->msk, EAP_MSK_LEN); 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = EAP_MSK_LEN; 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return key; 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * eap_gpsk_get_emsk(struct eap_sm *sm, void *priv, size_t *len) 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *key; 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state != SUCCESS) 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = os_malloc(EAP_EMSK_LEN); 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key == NULL) 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(key, data->emsk, EAP_EMSK_LEN); 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = EAP_EMSK_LEN; 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return key; 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eap_gpsk_isSuccess(struct eap_sm *sm, void *priv) 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return data->state == SUCCESS; 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eap_server_gpsk_register(void) 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_method *eap; 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret; 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION, 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_VENDOR_IETF, EAP_TYPE_GPSK, "GPSK"); 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap == NULL) 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->init = eap_gpsk_init; 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->reset = eap_gpsk_reset; 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->buildReq = eap_gpsk_buildReq; 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->check = eap_gpsk_check; 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->process = eap_gpsk_process; 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->isDone = eap_gpsk_isDone; 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->getKey = eap_gpsk_getKey; 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->isSuccess = eap_gpsk_isSuccess; 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->get_emsk = eap_gpsk_get_emsk; 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = eap_server_method_register(eap); 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret) 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_server_method_free(eap); 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 629