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; 27fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt u8 session_id[128]; 28fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt size_t id_len; 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *id_peer; 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t id_peer_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 data->csuite_count = 0; 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_gpsk_supported_ciphersuite(EAP_GPSK_VENDOR_IETF, 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_GPSK_CIPHER_AES)) { 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_BE32(data->csuite_list[data->csuite_count].vendor, 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_GPSK_VENDOR_IETF); 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_BE16(data->csuite_list[data->csuite_count].specifier, 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_GPSK_CIPHER_AES); 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->csuite_count++; 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_gpsk_supported_ciphersuite(EAP_GPSK_VENDOR_IETF, 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_GPSK_CIPHER_SHA256)) { 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_BE32(data->csuite_list[data->csuite_count].vendor, 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_GPSK_VENDOR_IETF); 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_BE16(data->csuite_list[data->csuite_count].specifier, 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_GPSK_CIPHER_SHA256); 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->csuite_count++; 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return data; 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_gpsk_reset(struct eap_sm *sm, void *priv) 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(data->id_peer); 100c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt bin_clear_free(data, sizeof(*data)); 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eap_gpsk_build_gpsk_1(struct eap_sm *sm, 1058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data, u8 id) 1068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *req; 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Request/GPSK-1"); 1118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (random_get_bytes(data->rand_server, EAP_GPSK_RAND_LEN)) { 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "EAP-GPSK: Failed to get random data"); 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_MSGDUMP, "EAP-GPSK: RAND_Server", 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->rand_server, EAP_GPSK_RAND_LEN); 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 12034af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt len = 1 + 2 + sm->server_id_len + EAP_GPSK_RAND_LEN + 2 + 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->csuite_count * sizeof(struct eap_gpsk_csuite); 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GPSK, len, 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_CODE_REQUEST, id); 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (req == NULL) { 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "EAP-GPSK: Failed to allocate memory " 1268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "for request/GPSK-1"); 1278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 1288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(req, EAP_GPSK_OPCODE_GPSK_1); 13234af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt wpabuf_put_be16(req, sm->server_id_len); 13334af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt wpabuf_put_data(req, sm->server_id, sm->server_id_len); 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(req, data->rand_server, EAP_GPSK_RAND_LEN); 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(req, 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->csuite_count * sizeof(struct eap_gpsk_csuite)); 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(req, data->csuite_list, 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->csuite_count * sizeof(struct eap_gpsk_csuite)); 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return req; 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eap_gpsk_build_gpsk_3(struct eap_sm *sm, 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data, u8 id) 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pos, *start; 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len, miclen; 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_csuite *csuite; 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *req; 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Request/GPSK-3"); 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt miclen = eap_gpsk_mic_len(data->vendor, data->specifier); 15534af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt len = 1 + 2 * EAP_GPSK_RAND_LEN + 2 + sm->server_id_len + 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sizeof(struct eap_gpsk_csuite) + 2 + miclen; 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt req = eap_msg_alloc(EAP_VENDOR_IETF, EAP_TYPE_GPSK, len, 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_CODE_REQUEST, id); 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (req == NULL) { 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_ERROR, "EAP-GPSK: Failed to allocate memory " 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "for request/GPSK-3"); 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_u8(req, EAP_GPSK_OPCODE_GPSK_3); 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt start = wpabuf_put(req, 0); 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(req, data->rand_peer, EAP_GPSK_RAND_LEN); 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_data(req, data->rand_server, EAP_GPSK_RAND_LEN); 17134af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt wpabuf_put_be16(req, sm->server_id_len); 17234af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt wpabuf_put_data(req, sm->server_id, sm->server_id_len); 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt csuite = wpabuf_put(req, sizeof(*csuite)); 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_BE32(csuite->vendor, data->vendor); 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_BE16(csuite->specifier, data->specifier); 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* no PD_Payload_2 */ 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpabuf_put_be16(req, 0); 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = wpabuf_put(req, miclen); 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_gpsk_compute_mic(data->sk, data->sk_len, data->vendor, 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->specifier, start, pos - start, pos) < 0) 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt { 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(req); 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return req; 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic struct wpabuf * eap_gpsk_buildReq(struct eap_sm *sm, void *priv, u8 id) 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (data->state) { 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case GPSK_1: 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_gpsk_build_gpsk_1(sm, data, id); 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case GPSK_3: 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return eap_gpsk_build_gpsk_3(sm, data, id); 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt default: 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Unknown state %d in buildReq", 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->state); 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eap_gpsk_check(struct eap_sm *sm, void *priv, 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *respData) 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos; 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GPSK, respData, &len); 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos == NULL || len < 1) { 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-GPSK: Invalid frame"); 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return TRUE; 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Received frame: opcode=%d", *pos); 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state == GPSK_1 && *pos == EAP_GPSK_OPCODE_GPSK_2) 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state == GPSK_3 && *pos == EAP_GPSK_OPCODE_GPSK_4) 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return FALSE; 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-GPSK: Unexpected opcode=%d in state=%d", 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos, data->state); 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return TRUE; 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_gpsk_process_gpsk_2(struct eap_sm *sm, 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data, 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *payload, size_t payloadlen) 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos, *end; 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 alen; 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const struct eap_gpsk_csuite *csuite; 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i, miclen; 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 mic[EAP_GPSK_MAX_MIC_LEN]; 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state != GPSK_1) 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Received Response/GPSK-2"); 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = payload; 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt end = payload + payloadlen; 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 2) { 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ID_Peer length"); 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt alen = WPA_GET_BE16(pos); 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < alen) { 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ID_Peer"); 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(data->id_peer); 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->id_peer = os_malloc(alen); 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->id_peer == NULL) { 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Not enough memory to store " 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "%d-octet ID_Peer", alen); 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->id_peer, pos, alen); 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->id_peer_len = alen; 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_ascii(MSG_DEBUG, "EAP-GPSK: ID_Peer", 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->id_peer, data->id_peer_len); 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += alen; 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 2) { 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ID_Server length"); 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt alen = WPA_GET_BE16(pos); 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < alen) { 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ID_Server"); 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 29834af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt if (alen != sm->server_id_len || 29934af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt os_memcmp(pos, sm->server_id, alen) != 0) { 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: ID_Server in GPSK-1 and " 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "GPSK-2 did not match"); 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += alen; 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < EAP_GPSK_RAND_LEN) { 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "RAND_Peer"); 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(data->rand_peer, pos, EAP_GPSK_RAND_LEN); 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Peer", 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->rand_peer, EAP_GPSK_RAND_LEN); 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += EAP_GPSK_RAND_LEN; 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < EAP_GPSK_RAND_LEN) { 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "RAND_Server"); 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(data->rand_server, pos, EAP_GPSK_RAND_LEN) != 0) { 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: RAND_Server in GPSK-1 and " 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "GPSK-2 did not match"); 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Server in GPSK-1", 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->rand_server, EAP_GPSK_RAND_LEN); 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: RAND_Server in GPSK-2", 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos, EAP_GPSK_RAND_LEN); 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += EAP_GPSK_RAND_LEN; 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 2) { 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "CSuite_List length"); 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt alen = WPA_GET_BE16(pos); 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < alen) { 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "CSuite_List"); 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (alen != data->csuite_count * sizeof(struct eap_gpsk_csuite) || 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcmp(pos, data->csuite_list, alen) != 0) { 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: CSuite_List in GPSK-1 and " 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "GPSK-2 did not match"); 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += alen; 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < (int) sizeof(*csuite)) { 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "CSuite_Sel"); 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt csuite = (const struct eap_gpsk_csuite *) pos; 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < data->csuite_count; i++) { 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(csuite, &data->csuite_list[i], sizeof(*csuite)) 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt == 0) 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (i == data->csuite_count) { 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Peer selected unsupported " 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "ciphersuite %d:%d", 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE32(csuite->vendor), 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_GET_BE16(csuite->specifier)); 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->vendor = WPA_GET_BE32(csuite->vendor); 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->specifier = WPA_GET_BE16(csuite->specifier); 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: CSuite_Sel %d:%d", 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->vendor, data->specifier); 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += sizeof(*csuite); 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 2) { 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PD_Payload_1 length"); 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt alen = WPA_GET_BE16(pos); 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < alen) { 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PD_Payload_1"); 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: PD_Payload_1", pos, alen); 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += alen; 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->user == NULL || sm->user->password == NULL) { 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-GPSK: No PSK/password configured " 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "for the user"); 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_gpsk_derive_keys(sm->user->password, sm->user->password_len, 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->vendor, data->specifier, 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->rand_peer, data->rand_server, 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->id_peer, data->id_peer_len, 41334af306c42b7ccf956508e7cd23f0ba90606e360Dmitry Shmidt sm->server_id, sm->server_id_len, 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->msk, data->emsk, 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->sk, &data->sk_len, 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->pk, &data->pk_len) < 0) { 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to derive keys"); 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 422fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (eap_gpsk_derive_session_id(sm->user->password, 423fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt sm->user->password_len, 424fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt data->vendor, data->specifier, 425fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt data->rand_peer, data->rand_server, 426fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt data->id_peer, data->id_peer_len, 427fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt sm->server_id, sm->server_id_len, 428fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt EAP_TYPE_GPSK, 429fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt data->session_id, &data->id_len) < 0) { 430fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to derive Session-Id"); 431fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt eap_gpsk_state(data, FAILURE); 432fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt return; 433fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 434fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Derived Session-Id", 435fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt data->session_id, data->id_len); 436fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt miclen = eap_gpsk_mic_len(data->vendor, data->specifier); 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < (int) miclen) { 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for MIC " 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(left=%lu miclen=%lu)", 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) (end - pos), 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) miclen); 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_gpsk_compute_mic(data->sk, data->sk_len, data->vendor, 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->specifier, payload, pos - payload, mic) 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt < 0) { 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to compute MIC"); 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 453c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt if (os_memcmp_const(mic, pos, miclen) != 0) { 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-GPSK: Incorrect MIC in GPSK-2"); 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Received MIC", pos, miclen); 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Computed MIC", mic, miclen); 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += miclen; 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos != end) { 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Ignored %lu bytes of extra " 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "data in the end of GPSK-2", 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) (end - pos)); 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, GPSK_3); 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_gpsk_process_gpsk_4(struct eap_sm *sm, 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data, 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *payload, size_t payloadlen) 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos, *end; 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 alen; 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t miclen; 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 mic[EAP_GPSK_MAX_MIC_LEN]; 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state != GPSK_3) 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Received Response/GPSK-4"); 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = payload; 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt end = payload + payloadlen; 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < 2) { 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PD_Payload_1 length"); 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt alen = WPA_GET_BE16(pos); 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < alen) { 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Too short message for " 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PD_Payload_1"); 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: PD_Payload_1", pos, alen); 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += alen; 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt miclen = eap_gpsk_mic_len(data->vendor, data->specifier); 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (end - pos < (int) miclen) { 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Message too short for MIC " 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "(left=%lu miclen=%lu)", 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) (end - pos), 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) miclen); 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap_gpsk_compute_mic(data->sk, data->sk_len, data->vendor, 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->specifier, payload, pos - payload, mic) 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt < 0) { 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Failed to compute MIC"); 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 522c28170251eb54dbf64a9074a07fee377587425b2Dmitry Shmidt if (os_memcmp_const(mic, pos, miclen) != 0) { 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_INFO, "EAP-GPSK: Incorrect MIC in GPSK-4"); 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Received MIC", pos, miclen); 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "EAP-GPSK: Computed MIC", mic, miclen); 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, FAILURE); 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += miclen; 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos != end) { 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "EAP-GPSK: Ignored %lu bytes of extra " 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "data in the end of GPSK-4", 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt (unsigned long) (end - pos)); 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_state(data, SUCCESS); 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic void eap_gpsk_process(struct eap_sm *sm, void *priv, 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpabuf *respData) 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos; 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t len; 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = eap_hdr_validate(EAP_VENDOR_IETF, EAP_TYPE_GPSK, respData, &len); 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos == NULL || len < 1) 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return; 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt switch (*pos) { 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_GPSK_OPCODE_GPSK_2: 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_process_gpsk_2(sm, data, pos + 1, len - 1); 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt case EAP_GPSK_OPCODE_GPSK_4: 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap_gpsk_process_gpsk_4(sm, data, pos + 1, len - 1); 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eap_gpsk_isDone(struct eap_sm *sm, void *priv) 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return data->state == SUCCESS || data->state == FAILURE; 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * eap_gpsk_getKey(struct eap_sm *sm, void *priv, size_t *len) 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *key; 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state != SUCCESS) 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = os_malloc(EAP_MSK_LEN); 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key == NULL) 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(key, data->msk, EAP_MSK_LEN); 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = EAP_MSK_LEN; 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return key; 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic u8 * eap_gpsk_get_emsk(struct eap_sm *sm, void *priv, size_t *len) 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *key; 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->state != SUCCESS) 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key = os_malloc(EAP_EMSK_LEN); 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (key == NULL) 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return NULL; 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(key, data->emsk, EAP_EMSK_LEN); 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *len = EAP_EMSK_LEN; 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return key; 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic Boolean eap_gpsk_isSuccess(struct eap_sm *sm, void *priv) 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_gpsk_data *data = priv; 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return data->state == SUCCESS; 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 613fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidtstatic u8 * eap_gpsk_get_session_id(struct eap_sm *sm, void *priv, size_t *len) 614fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt{ 615fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt struct eap_gpsk_data *data = priv; 616fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt u8 *sid; 617fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 618fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (data->state != SUCCESS) 619fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt return NULL; 620fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 621fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt sid = os_malloc(data->id_len); 622fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (sid == NULL) 623fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt return NULL; 624fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt os_memcpy(sid, data->session_id, data->id_len); 625fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt *len = data->id_len; 626fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 627fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt return sid; 628fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt} 629fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 630fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint eap_server_gpsk_register(void) 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct eap_method *eap; 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap = eap_server_method_alloc(EAP_SERVER_METHOD_INTERFACE_VERSION, 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt EAP_VENDOR_IETF, EAP_TYPE_GPSK, "GPSK"); 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (eap == NULL) 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->init = eap_gpsk_init; 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->reset = eap_gpsk_reset; 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->buildReq = eap_gpsk_buildReq; 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->check = eap_gpsk_check; 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->process = eap_gpsk_process; 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->isDone = eap_gpsk_isDone; 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->getKey = eap_gpsk_getKey; 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->isSuccess = eap_gpsk_isSuccess; 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt eap->get_emsk = eap_gpsk_get_emsk; 649fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt eap->getSessionId = eap_gpsk_get_session_id; 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6511d6bf427f4769edb60865a3999d01eeb8f8fcb19Dmitry Shmidt return eap_server_method_register(eap); 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 653