18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd - WPA/RSN IE and KDE definitions 340b07208ef4402da20a7f666835a62f6ec098e16Dmitry Shmidt * Copyright (c) 2004-2015, 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 "utils/includes.h" 108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "utils/common.h" 128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "common/ieee802_11_defs.h" 138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "eapol_auth/eapol_auth_sm.h" 148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ap_config.h" 158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "ieee802_11.h" 168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_auth.h" 178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "pmksa_cache_auth.h" 188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_auth_ie.h" 198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "wpa_auth_i.h" 208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint rsn_testing = 0; 248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wpa_write_wpa_ie(struct wpa_auth_config *conf, u8 *buf, size_t len) 288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_ie_hdr *hdr; 308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int num_suites; 318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pos, *count; 324530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt u32 suite; 338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (struct wpa_ie_hdr *) buf; 358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->elem_id = WLAN_EID_VENDOR_SPECIFIC; 368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(hdr->oui, WPA_OUI_TYPE); 378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(hdr->version, WPA_VERSION); 388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = (u8 *) (hdr + 1); 398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 404530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt suite = wpa_cipher_to_suite(WPA_PROTO_WPA, conf->wpa_group); 414530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (suite == 0) { 428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid group cipher (%d).", 438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->wpa_group); 448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 464530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt RSN_SELECTOR_PUT(pos, suite); 478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += WPA_SELECTOR_LEN; 488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt count = pos; 508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 524530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt num_suites = wpa_cipher_put_suites(pos, conf->wpa_pairwise); 538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (num_suites == 0) { 548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid pairwise cipher (%d).", 558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->wpa_pairwise); 568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 584530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt pos += num_suites * WPA_SELECTOR_LEN; 598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(count, num_suites); 608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites = 0; 628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt count = pos; 638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) { 668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_UNSPEC_802_1X); 678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += WPA_SELECTOR_LEN; 688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) { 718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X); 728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += WPA_SELECTOR_LEN; 738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (num_suites == 0) { 778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid key management type (%d).", 788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->wpa_key_mgmt); 798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(count, num_suites); 828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* WPA Capabilities; use defaults, so no need to include it */ 848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->len = (pos - buf) - 2; 868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_write_rsn_ie(struct wpa_auth_config *conf, u8 *buf, size_t len, 928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pmkid) 938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct rsn_ie_hdr *hdr; 954530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt int num_suites, res; 968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pos, *count; 978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u16 capab; 984530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt u32 suite; 998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr = (struct rsn_ie_hdr *) buf; 1018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->elem_id = WLAN_EID_RSN; 1028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(hdr->version, RSN_VERSION); 1038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = (u8 *) (hdr + 1); 1048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1054530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt suite = wpa_cipher_to_suite(WPA_PROTO_RSN, conf->wpa_group); 1064530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (suite == 0) { 1078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid group cipher (%d).", 1088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->wpa_group); 1098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1114530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt RSN_SELECTOR_PUT(pos, suite); 1128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 1138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites = 0; 1158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt count = pos; 1168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 1178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 1198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (rsn_testing) { 1208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_SELECTOR(0x12, 0x34, 0x56, 1)); 1218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 1228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 1238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 1258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1264530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt res = rsn_cipher_put_suites(pos, conf->rsn_pairwise); 1274530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt num_suites += res; 1284530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt pos += res * RSN_SELECTOR_LEN; 1298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 1318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (rsn_testing) { 1328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_SELECTOR(0x12, 0x34, 0x56, 2)); 1338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 1348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 1358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 1378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (num_suites == 0) { 1398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid pairwise cipher (%d).", 1408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->rsn_pairwise); 1418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 1428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(count, num_suites); 1448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites = 0; 1468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt count = pos; 1478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 1488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 1508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (rsn_testing) { 1518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_SELECTOR(0x12, 0x34, 0x56, 1)); 1528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 1538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 1548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 1568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) { 1588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_UNSPEC_802_1X); 1598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 1608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 1618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) { 1638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X); 1648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 1658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 1668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 1688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) { 1698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_802_1X); 1708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 1718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 1728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) { 1748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_PSK); 1758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 1768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 1778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 1798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 1808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) { 1818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SHA256); 1828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 1838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 1848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) { 1868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_PSK_SHA256); 1878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 1888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 1898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 191d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#ifdef CONFIG_SAE 192d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (conf->wpa_key_mgmt & WPA_KEY_MGMT_SAE) { 193d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_SAE); 194d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt pos += RSN_SELECTOR_LEN; 195d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt num_suites++; 196d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 197d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt if (conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_SAE) { 198d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_SAE); 199d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt pos += RSN_SELECTOR_LEN; 200d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt num_suites++; 201d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt } 202d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#endif /* CONFIG_SAE */ 203fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) { 204fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SUITE_B); 205fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt pos += RSN_SELECTOR_LEN; 206fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt num_suites++; 207fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt } 20840b07208ef4402da20a7f666835a62f6ec098e16Dmitry Shmidt if (conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) { 20940b07208ef4402da20a7f666835a62f6ec098e16Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192); 21040b07208ef4402da20a7f666835a62f6ec098e16Dmitry Shmidt pos += RSN_SELECTOR_LEN; 21140b07208ef4402da20a7f666835a62f6ec098e16Dmitry Shmidt num_suites++; 21240b07208ef4402da20a7f666835a62f6ec098e16Dmitry Shmidt } 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (rsn_testing) { 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_SELECTOR(0x12, 0x34, 0x56, 2)); 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (num_suites == 0) { 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid key management type (%d).", 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->wpa_key_mgmt); 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(count, num_suites); 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* RSN Capabilities */ 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab = 0; 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->rsn_preauth) 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= WPA_CAPABILITY_PREAUTH; 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->peerkey) 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= WPA_CAPABILITY_PEERKEY_ENABLED; 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->wmm_enabled) { 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 4 PTKSA replay counters when using WMM */ 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= (RSN_NUM_REPLAY_COUNTERS_16 << 2); 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) { 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= WPA_CAPABILITY_MFPC; 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= WPA_CAPABILITY_MFPR; 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (rsn_testing) 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= BIT(8) | BIT(14) | BIT(15); 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(pos, capab); 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pmkid) { 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos + 2 + PMKID_LEN > buf + len) 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PMKID Count */ 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(pos, 1); 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, pmkid, PMKID_LEN); 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += PMKID_LEN; 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) { 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos + 2 + 4 > buf + len) 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pmkid == NULL) { 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PMKID Count */ 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(pos, 0); 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Management Group Cipher Suite */ 274b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt switch (conf->group_mgmt_cipher) { 275b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt case WPA_CIPHER_AES_128_CMAC: 276b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC); 277b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt break; 278b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt case WPA_CIPHER_BIP_GMAC_128: 279b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_BIP_GMAC_128); 280b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt break; 281b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt case WPA_CIPHER_BIP_GMAC_256: 282b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_BIP_GMAC_256); 283b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt break; 284b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt case WPA_CIPHER_BIP_CMAC_256: 285b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_BIP_CMAC_256); 286b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt break; 287b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt default: 288b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt wpa_printf(MSG_DEBUG, 289b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt "Invalid group management cipher (0x%x)", 290b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt conf->group_mgmt_cipher); 291b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt return -1; 292b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt } 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (rsn_testing) { 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Fill in any defined fields and add extra data to the end of 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the element. 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int pmkid_count_set = pmkid != NULL; 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pmkid_count_set = 1; 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PMKID Count */ 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(pos, 0); 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w == NO_MGMT_FRAME_PROTECTION) { 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Management Group Cipher Suite */ 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC); 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(pos, 0x12, 17); 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 17; 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->len = (pos - buf) - 2; 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 326f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidtstatic u8 * wpa_write_osen(struct wpa_auth_config *conf, u8 *eid) 327f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt{ 328f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt u8 *len; 329f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt u16 capab; 330f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 331f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt *eid++ = WLAN_EID_VENDOR_SPECIFIC; 332f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt len = eid++; /* to be filled */ 333f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt WPA_PUT_BE24(eid, OUI_WFA); 334f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += 3; 335f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt *eid++ = HS20_OSEN_OUI_TYPE; 336f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 337f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* Group Data Cipher Suite */ 338f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt RSN_SELECTOR_PUT(eid, RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED); 339f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += RSN_SELECTOR_LEN; 340f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 341f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* Pairwise Cipher Suite Count and List */ 342f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt WPA_PUT_LE16(eid, 1); 343f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += 2; 344f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt RSN_SELECTOR_PUT(eid, RSN_CIPHER_SUITE_CCMP); 345f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += RSN_SELECTOR_LEN; 346f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 347f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* AKM Suite Count and List */ 348f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt WPA_PUT_LE16(eid, 1); 349f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += 2; 350f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt RSN_SELECTOR_PUT(eid, RSN_AUTH_KEY_MGMT_OSEN); 351f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += RSN_SELECTOR_LEN; 352f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 353f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* RSN Capabilities */ 354f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt capab = 0; 355f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (conf->wmm_enabled) { 356f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* 4 PTKSA replay counters when using WMM */ 357f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt capab |= (RSN_NUM_REPLAY_COUNTERS_16 << 2); 358f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 359f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_IEEE80211W 360f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) { 361f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt capab |= WPA_CAPABILITY_MFPC; 362f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (conf->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) 363f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt capab |= WPA_CAPABILITY_MFPR; 364f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 365f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 366f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt WPA_PUT_LE16(eid, capab); 367f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += 2; 368f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 369f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt *len = eid - len - 1; 370f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 371f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return eid; 372f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt} 373f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 374f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_auth_gen_wpa_ie(struct wpa_authenticator *wpa_auth) 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pos, buf[128]; 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res; 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = buf; 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 382f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (wpa_auth->conf.wpa == WPA_PROTO_OSEN) { 383f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt pos = wpa_write_osen(&wpa_auth->conf, pos); 384f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->conf.wpa & WPA_PROTO_RSN) { 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_write_rsn_ie(&wpa_auth->conf, 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos, buf + sizeof(buf) - pos, NULL); 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += res; 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 3931f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_key_mgmt_ft(wpa_auth->conf.wpa_key_mgmt)) { 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_write_mdie(&wpa_auth->conf, pos, 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf + sizeof(buf) - pos); 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += res; 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->conf.wpa & WPA_PROTO_WPA) { 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_write_wpa_ie(&wpa_auth->conf, 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos, buf + sizeof(buf) - pos); 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += res; 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wpa_auth->wpa_ie); 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->wpa_ie = os_malloc(pos - buf); 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->wpa_ie == NULL) 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wpa_auth->wpa_ie, buf, pos - buf); 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->wpa_ie_len = pos - buf; 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtu8 * wpa_add_kde(u8 *pos, u32 kde, const u8 *data, size_t data_len, 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *data2, size_t data2_len) 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = WLAN_EID_VENDOR_SPECIFIC; 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = RSN_SELECTOR_LEN + data_len + data2_len; 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, kde); 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, data, data_len); 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += data_len; 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data2) { 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, data2, data2_len); 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += data2_len; 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos; 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_auth_okc_iter_data { 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct rsn_pmksa_cache_entry *pmksa; 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *aa; 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *spa; 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pmkid; 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wpa_auth_okc_iter(struct wpa_authenticator *a, void *ctx) 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_auth_okc_iter_data *data = ctx; 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->pmksa = pmksa_cache_get_okc(a->pmksa, data->aa, data->spa, 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->pmkid); 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->pmksa) 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth, 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_state_machine *sm, 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wpa_ie, size_t wpa_ie_len, 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *mdie, size_t mdie_len) 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_ie_data data; 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ciphers, key_mgmt, res, version; 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 selector; 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pmkid = NULL; 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth == NULL || sm == NULL) 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_NOT_ENABLED; 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_ie == NULL || wpa_ie_len < 1) 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_IE; 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_ie[0] == WLAN_EID_RSN) 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt version = WPA_PROTO_RSN; 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt version = WPA_PROTO_WPA; 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(wpa_auth->conf.wpa & version)) { 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid WPA proto (%d) from " MACSTR, 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt version, MAC2STR(sm->addr)); 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_PROTO; 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (version == WPA_PROTO_RSN) { 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_parse_wpa_ie_rsn(wpa_ie, wpa_ie_len, &data); 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X; 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (0) { 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 49040b07208ef4402da20a7f666835a62f6ec098e16Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) 49140b07208ef4402da20a7f666835a62f6ec098e16Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192; 492fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) 493fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_802_1X_SUITE_B; 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_FT_802_1X; 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_FT_PSK; 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_802_1X_SHA256; 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_PSK_SHA256; 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 506d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#ifdef CONFIG_SAE 507d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_SAE) 508d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt selector = RSN_AUTH_KEY_MGMT_SAE; 509d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) 510d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt selector = RSN_AUTH_KEY_MGMT_FT_SAE; 511d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#endif /* CONFIG_SAE */ 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X; 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_PSK) 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X; 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAAuthenticationSuiteSelected = selector; 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5184530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = wpa_cipher_to_suite(WPA_PROTO_RSN, 5194530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt data.pairwise_cipher); 5204530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (!selector) 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_CIPHER_SUITE_CCMP; 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAPairwiseCipherSelected = selector; 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5244530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = wpa_cipher_to_suite(WPA_PROTO_RSN, 5254530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt data.group_cipher); 5264530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (!selector) 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_CIPHER_SUITE_CCMP; 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAGroupCipherSelected = selector; 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_parse_wpa_ie_wpa(wpa_ie, wpa_ie_len, &data); 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = WPA_AUTH_KEY_MGMT_UNSPEC_802_1X; 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = WPA_AUTH_KEY_MGMT_UNSPEC_802_1X; 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_PSK) 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X; 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAAuthenticationSuiteSelected = selector; 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5394530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = wpa_cipher_to_suite(WPA_PROTO_WPA, 5404530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt data.pairwise_cipher); 5414530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (!selector) 5424530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = RSN_CIPHER_SUITE_TKIP; 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAPairwiseCipherSelected = selector; 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5454530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = wpa_cipher_to_suite(WPA_PROTO_WPA, 5464530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt data.group_cipher); 5474530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (!selector) 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = WPA_CIPHER_SUITE_TKIP; 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAGroupCipherSelected = selector; 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res) { 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Failed to parse WPA/RSN IE from " 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR " (res=%d)", MAC2STR(sm->addr), res); 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPA/RSN IE", wpa_ie, wpa_ie_len); 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_IE; 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data.group_cipher != wpa_auth->conf.wpa_group) { 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid WPA group cipher (0x%x) from " 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, data.group_cipher, MAC2STR(sm->addr)); 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_GROUP; 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_mgmt = data.key_mgmt & wpa_auth->conf.wpa_key_mgmt; 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!key_mgmt) { 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid WPA key mgmt (0x%x) from " 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, data.key_mgmt, MAC2STR(sm->addr)); 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_AKMP; 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (0) { 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 57240b07208ef4402da20a7f666835a62f6ec098e16Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) 57340b07208ef4402da20a7f666835a62f6ec098e16Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X_SUITE_B_192; 574fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) 575fb45fd5cfed8bdccd0859c7fc05449fc187e2d06Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X_SUITE_B; 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X; 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_FT_PSK) 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_FT_PSK; 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256; 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_PSK_SHA256) 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_PSK_SHA256; 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 588d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#ifdef CONFIG_SAE 589d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_SAE) 590d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_SAE; 591d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_FT_SAE) 592d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_FT_SAE; 593d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#endif /* CONFIG_SAE */ 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_IEEE8021X) 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X; 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_PSK; 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (version == WPA_PROTO_RSN) 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ciphers = data.pairwise_cipher & wpa_auth->conf.rsn_pairwise; 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ciphers = data.pairwise_cipher & wpa_auth->conf.wpa_pairwise; 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!ciphers) { 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid %s pairwise cipher (0x%x) " 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "from " MACSTR, 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt version == WPA_PROTO_RSN ? "RSN" : "WPA", 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data.pairwise_cipher, MAC2STR(sm->addr)); 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_PAIRWISE; 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->conf.ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) { 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(data.capabilities & WPA_CAPABILITY_MFPC)) { 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Management frame protection " 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "required, but client did not enable it"); 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_MGMT_FRAME_PROTECTION_VIOLATION; 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ciphers & WPA_CIPHER_TKIP) { 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Management frame protection " 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "cannot use TKIP"); 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_MGMT_FRAME_PROTECTION_VIOLATION; 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 625b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt if (data.mgmt_group_cipher != wpa_auth->conf.group_mgmt_cipher) 626b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt { 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Unsupported management group " 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "cipher %d", data.mgmt_group_cipher); 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_MGMT_GROUP_CIPHER; 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->conf.ieee80211w == NO_MGMT_FRAME_PROTECTION || 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(data.capabilities & WPA_CAPABILITY_MFPC)) 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->mgmt_frame_prot = 0; 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->mgmt_frame_prot = 1; 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_key_mgmt_ft(sm->wpa_key_mgmt)) { 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mdie == NULL || mdie_len < MOBILITY_DOMAIN_ID_LEN + 1) { 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Trying to use FT, but " 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "MDIE not included"); 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_MDIE; 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(mdie, wpa_auth->conf.mobility_domain, 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MOBILITY_DOMAIN_ID_LEN) != 0) { 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "RSN: Attempted to use unknown " 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "MDIE", mdie, MOBILITY_DOMAIN_ID_LEN); 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_MDIE; 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 656a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt sm->pairwise = wpa_pick_pairwise_cipher(ciphers, 0); 657a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (sm->pairwise < 0) 658a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return WPA_INVALID_PAIRWISE; 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: clear WPA/WPA2 state if STA changes from one to another */ 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_ie[0] == WLAN_EID_RSN) 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa = WPA_VERSION_WPA2; 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa = WPA_VERSION_WPA; 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa = NULL; 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < data.num_pmkid; i++) { 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "RSN IE: STA PMKID", 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &data.pmkid[i * PMKID_LEN], PMKID_LEN); 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa = pmksa_cache_auth_get(wpa_auth->pmksa, sm->addr, 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &data.pmkid[i * PMKID_LEN]); 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->pmksa) { 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pmkid = sm->pmksa->pmkid; 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; sm->pmksa == NULL && wpa_auth->conf.okc && 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i < data.num_pmkid; i++) { 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_auth_okc_iter_data idata; 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.pmksa = NULL; 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.aa = wpa_auth->addr; 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.spa = sm->addr; 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.pmkid = &data.pmkid[i * PMKID_LEN]; 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_for_each_auth(wpa_auth, wpa_auth_okc_iter, &idata); 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (idata.pmksa) { 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_DEBUG, 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "OKC match for PMKID"); 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa = pmksa_cache_add_okc(wpa_auth->pmksa, 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.pmksa, 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->addr, 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.pmkid); 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pmkid = idata.pmkid; 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6967832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt if (sm->pmksa && pmkid) { 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_DEBUG, 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PMKID found from PMKSA cache " 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "eap_type=%d vlan_id=%d", 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa->eap_type_authsrv, 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa->vlan_id); 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wpa_auth->dot11RSNAPMKIDUsed, pmkid, PMKID_LEN); 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->wpa_ie == NULL || sm->wpa_ie_len < wpa_ie_len) { 7068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->wpa_ie); 7078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_ie = os_malloc(wpa_ie_len); 7088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->wpa_ie == NULL) 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_ALLOC_FAIL; 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->wpa_ie, wpa_ie, wpa_ie_len); 7128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_ie_len = wpa_ie_len; 7138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_IE_OK; 7158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 718f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_HS20 719f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidtint wpa_validate_osen(struct wpa_authenticator *wpa_auth, 720f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt struct wpa_state_machine *sm, 721f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt const u8 *osen_ie, size_t osen_ie_len) 722f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt{ 723f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (wpa_auth == NULL || sm == NULL) 724f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return -1; 725f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 726f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* TODO: parse OSEN element */ 727f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_OSEN; 728f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sm->mgmt_frame_prot = 1; 729f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sm->pairwise = WPA_CIPHER_CCMP; 730f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sm->wpa = WPA_VERSION_WPA2; 731f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 732f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (sm->wpa_ie == NULL || sm->wpa_ie_len < osen_ie_len) { 733f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt os_free(sm->wpa_ie); 734f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sm->wpa_ie = os_malloc(osen_ie_len); 735f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (sm->wpa_ie == NULL) 736f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return -1; 737f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 738f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 739f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt os_memcpy(sm->wpa_ie, osen_ie, osen_ie_len); 740f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sm->wpa_ie_len = osen_ie_len; 741f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 742f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return 0; 743f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt} 744f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 745f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_HS20 */ 746f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 747f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_parse_generic - Parse EAPOL-Key Key Data Generic IEs 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @pos: Pointer to the IE header 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @end: Pointer to the end of the Key Data buffer 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ie: Pointer to parsed IE data 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, 1 if end mark is found, -1 on failure 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 7558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wpa_parse_generic(const u8 *pos, const u8 *end, 7568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_eapol_ie_parse *ie) 7578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] == 0) 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] >= 6 && 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == WPA_OUI_TYPE && 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[2 + WPA_SELECTOR_LEN] == 1 && 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[2 + WPA_SELECTOR_LEN + 1] == 0) { 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->wpa_ie = pos; 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->wpa_ie_len = pos[1] + 2; 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 770f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (pos[1] >= 4 && WPA_GET_BE32(pos + 2) == OSEN_IE_VENDOR_TYPE) { 771f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ie->osen = pos; 772f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ie->osen_len = pos[1] + 2; 773f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return 0; 774f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 775f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 7768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos + 1 + RSN_SELECTOR_LEN < end && 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[1] >= RSN_SELECTOR_LEN + PMKID_LEN && 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_PMKID) { 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->pmkid = pos + 2 + RSN_SELECTOR_LEN; 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_GROUPKEY) { 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->gtk = pos + 2 + RSN_SELECTOR_LEN; 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->gtk_len = pos[1] - RSN_SELECTOR_LEN; 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_MAC_ADDR) { 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->mac_addr = pos + 2 + RSN_SELECTOR_LEN; 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->mac_addr_len = pos[1] - RSN_SELECTOR_LEN; 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_PEERKEY 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_SMK) { 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->smk = pos + 2 + RSN_SELECTOR_LEN; 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->smk_len = pos[1] - RSN_SELECTOR_LEN; 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_NONCE) { 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->nonce = pos + 2 + RSN_SELECTOR_LEN; 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->nonce_len = pos[1] - RSN_SELECTOR_LEN; 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_LIFETIME) { 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->lifetime = pos + 2 + RSN_SELECTOR_LEN; 8158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->lifetime_len = pos[1] - RSN_SELECTOR_LEN; 8168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 8208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_ERROR) { 8218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->error = pos + 2 + RSN_SELECTOR_LEN; 8228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->error_len = pos[1] - RSN_SELECTOR_LEN; 8238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_PEERKEY */ 8268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 8288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 8298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_IGTK) { 8308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->igtk = pos + 2 + RSN_SELECTOR_LEN; 8318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->igtk_len = pos[1] - RSN_SELECTOR_LEN; 8328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 8358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 836cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt#ifdef CONFIG_P2P 837cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (pos[1] >= RSN_SELECTOR_LEN + 1 && 838cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt RSN_SELECTOR_GET(pos + 2) == WFA_KEY_DATA_IP_ADDR_REQ) { 839cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt ie->ip_addr_req = pos + 2 + RSN_SELECTOR_LEN; 840cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPA: IP Address Request in EAPOL-Key", 841cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt ie->ip_addr_req, pos[1] - RSN_SELECTOR_LEN); 842cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return 0; 843cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 844cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 845cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (pos[1] >= RSN_SELECTOR_LEN + 3 * 4 && 846cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt RSN_SELECTOR_GET(pos + 2) == WFA_KEY_DATA_IP_ADDR_ALLOC) { 847cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt ie->ip_addr_alloc = pos + 2 + RSN_SELECTOR_LEN; 848cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_hexdump(MSG_DEBUG, 849cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt "WPA: IP Address Allocation in EAPOL-Key", 850cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt ie->ip_addr_alloc, pos[1] - RSN_SELECTOR_LEN); 851cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return 0; 852cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 853cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt#endif /* CONFIG_P2P */ 854cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_parse_kde_ies - Parse EAPOL-Key Key Data IEs 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Pointer to the Key Data buffer 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Key Data Length 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ie: Pointer to parsed IE data 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_parse_kde_ies(const u8 *buf, size_t len, struct wpa_eapol_ie_parse *ie) 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos, *end; 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret = 0; 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(ie, 0, sizeof(*ie)); 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (pos = buf, end = pos + len; pos + 1 < end; pos += 2 + pos[1]) { 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[0] == 0xdd && 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ((pos == buf + len - 1) || pos[1] == 0)) { 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Ignore padding */ 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos + 2 + pos[1] > end) { 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPA: EAPOL-Key Key Data " 8808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "underflow (ie=%d len=%d pos=%d)", 8818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[0], pos[1], (int) (pos - buf)); 8828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPA: Key Data", 8838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf, len); 8848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = -1; 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*pos == WLAN_EID_RSN) { 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->rsn_ie = pos; 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->rsn_ie_len = pos[1] + 2; 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (*pos == WLAN_EID_MOBILITY_DOMAIN) { 8928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->mdie = pos; 8938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->mdie_len = pos[1] + 2; 8948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (*pos == WLAN_EID_FAST_BSS_TRANSITION) { 8958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->ftie = pos; 8968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->ftie_len = pos[1] + 2; 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 8988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (*pos == WLAN_EID_VENDOR_SPECIFIC) { 8998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wpa_parse_generic(pos, end, ie); 9008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0) 9018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 9028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret > 0) { 9038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = 0; 9048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 9058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 9078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPA: Unrecognized EAPOL-Key " 9088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Key Data IE", pos, 2 + pos[1]); 9098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 9118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 9138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 9148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 9168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_auth_uses_mfp(struct wpa_state_machine *sm) 9178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm ? sm->mgmt_frame_prot : 0; 9198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 920