18d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/* 28d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * hostapd - WPA/RSN IE and KDE definitions 38d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi> 48d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * 5c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * This software may be distributed under the terms of the BSD license. 6c5ec7f57ead87efa365800228aa0b09a12d9e6c4Dmitry Shmidt * See README for more details. 78d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 88d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 98d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#include "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 */ 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (rsn_testing) { 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_SELECTOR(0x12, 0x34, 0x56, 2)); 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (num_suites == 0) { 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid key management type (%d).", 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->wpa_key_mgmt); 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(count, num_suites); 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* RSN Capabilities */ 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab = 0; 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->rsn_preauth) 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= WPA_CAPABILITY_PREAUTH; 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->peerkey) 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= WPA_CAPABILITY_PEERKEY_ENABLED; 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->wmm_enabled) { 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 4 PTKSA replay counters when using WMM */ 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= (RSN_NUM_REPLAY_COUNTERS_16 << 2); 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) { 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= WPA_CAPABILITY_MFPC; 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= WPA_CAPABILITY_MFPR; 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (rsn_testing) 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= BIT(8) | BIT(14) | BIT(15); 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(pos, capab); 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pmkid) { 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos + 2 + PMKID_LEN > buf + len) 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PMKID Count */ 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(pos, 1); 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, pmkid, PMKID_LEN); 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += PMKID_LEN; 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) { 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos + 2 + 4 > buf + len) 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pmkid == NULL) { 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PMKID Count */ 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(pos, 0); 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Management Group Cipher Suite */ 264b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt switch (conf->group_mgmt_cipher) { 265b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt case WPA_CIPHER_AES_128_CMAC: 266b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC); 267b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt break; 268b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt case WPA_CIPHER_BIP_GMAC_128: 269b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_BIP_GMAC_128); 270b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt break; 271b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt case WPA_CIPHER_BIP_GMAC_256: 272b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_BIP_GMAC_256); 273b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt break; 274b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt case WPA_CIPHER_BIP_CMAC_256: 275b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_BIP_CMAC_256); 276b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt break; 277b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt default: 278b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt wpa_printf(MSG_DEBUG, 279b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt "Invalid group management cipher (0x%x)", 280b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt conf->group_mgmt_cipher); 281b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt return -1; 282b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt } 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (rsn_testing) { 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Fill in any defined fields and add extra data to the end of 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the element. 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int pmkid_count_set = pmkid != NULL; 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pmkid_count_set = 1; 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PMKID Count */ 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(pos, 0); 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w == NO_MGMT_FRAME_PROTECTION) { 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Management Group Cipher Suite */ 3018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC); 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(pos, 0x12, 17); 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 17; 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->len = (pos - buf) - 2; 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 316f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidtstatic u8 * wpa_write_osen(struct wpa_auth_config *conf, u8 *eid) 317f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt{ 318f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt u8 *len; 319f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt u16 capab; 320f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 321f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt *eid++ = WLAN_EID_VENDOR_SPECIFIC; 322f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt len = eid++; /* to be filled */ 323f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt WPA_PUT_BE24(eid, OUI_WFA); 324f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += 3; 325f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt *eid++ = HS20_OSEN_OUI_TYPE; 326f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 327f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* Group Data Cipher Suite */ 328f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt RSN_SELECTOR_PUT(eid, RSN_CIPHER_SUITE_NO_GROUP_ADDRESSED); 329f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += RSN_SELECTOR_LEN; 330f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 331f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* Pairwise Cipher Suite Count and List */ 332f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt WPA_PUT_LE16(eid, 1); 333f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += 2; 334f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt RSN_SELECTOR_PUT(eid, RSN_CIPHER_SUITE_CCMP); 335f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += RSN_SELECTOR_LEN; 336f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 337f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* AKM Suite Count and List */ 338f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt WPA_PUT_LE16(eid, 1); 339f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += 2; 340f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt RSN_SELECTOR_PUT(eid, RSN_AUTH_KEY_MGMT_OSEN); 341f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += RSN_SELECTOR_LEN; 342f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 343f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* RSN Capabilities */ 344f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt capab = 0; 345f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (conf->wmm_enabled) { 346f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* 4 PTKSA replay counters when using WMM */ 347f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt capab |= (RSN_NUM_REPLAY_COUNTERS_16 << 2); 348f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 349f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_IEEE80211W 350f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) { 351f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt capab |= WPA_CAPABILITY_MFPC; 352f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (conf->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) 353f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt capab |= WPA_CAPABILITY_MFPR; 354f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 355f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 356f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt WPA_PUT_LE16(eid, capab); 357f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt eid += 2; 358f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 359f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt *len = eid - len - 1; 360f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 361f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return eid; 362f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt} 363f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 364f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_auth_gen_wpa_ie(struct wpa_authenticator *wpa_auth) 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pos, buf[128]; 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res; 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = buf; 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 372f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (wpa_auth->conf.wpa == WPA_PROTO_OSEN) { 373f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt pos = wpa_write_osen(&wpa_auth->conf, pos); 374f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->conf.wpa & WPA_PROTO_RSN) { 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_write_rsn_ie(&wpa_auth->conf, 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos, buf + sizeof(buf) - pos, NULL); 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += res; 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 3831f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_key_mgmt_ft(wpa_auth->conf.wpa_key_mgmt)) { 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_write_mdie(&wpa_auth->conf, pos, 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf + sizeof(buf) - pos); 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += res; 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->conf.wpa & WPA_PROTO_WPA) { 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_write_wpa_ie(&wpa_auth->conf, 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos, buf + sizeof(buf) - pos); 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += res; 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wpa_auth->wpa_ie); 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->wpa_ie = os_malloc(pos - buf); 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->wpa_ie == NULL) 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wpa_auth->wpa_ie, buf, pos - buf); 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->wpa_ie_len = pos - buf; 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtu8 * wpa_add_kde(u8 *pos, u32 kde, const u8 *data, size_t data_len, 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *data2, size_t data2_len) 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = WLAN_EID_VENDOR_SPECIFIC; 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = RSN_SELECTOR_LEN + data_len + data2_len; 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, kde); 4168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 4178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, data, data_len); 4188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += data_len; 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data2) { 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, data2, data2_len); 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += data2_len; 4228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos; 4248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_auth_okc_iter_data { 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct rsn_pmksa_cache_entry *pmksa; 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *aa; 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *spa; 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pmkid; 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wpa_auth_okc_iter(struct wpa_authenticator *a, void *ctx) 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_auth_okc_iter_data *data = ctx; 4388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->pmksa = pmksa_cache_get_okc(a->pmksa, data->aa, data->spa, 4398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->pmkid); 4408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->pmksa) 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 4438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 4448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth, 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_state_machine *sm, 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wpa_ie, size_t wpa_ie_len, 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *mdie, size_t mdie_len) 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_ie_data data; 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ciphers, key_mgmt, res, version; 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 selector; 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pmkid = NULL; 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth == NULL || sm == NULL) 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_NOT_ENABLED; 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_ie == NULL || wpa_ie_len < 1) 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_IE; 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_ie[0] == WLAN_EID_RSN) 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt version = WPA_PROTO_RSN; 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt version = WPA_PROTO_WPA; 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(wpa_auth->conf.wpa & version)) { 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid WPA proto (%d) from " MACSTR, 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt version, MAC2STR(sm->addr)); 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_PROTO; 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (version == WPA_PROTO_RSN) { 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_parse_wpa_ie_rsn(wpa_ie, wpa_ie_len, &data); 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X; 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (0) { 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_FT_802_1X; 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_FT_PSK; 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_802_1X_SHA256; 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_PSK_SHA256; 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 492d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#ifdef CONFIG_SAE 493d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_SAE) 494d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt selector = RSN_AUTH_KEY_MGMT_SAE; 495d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_FT_SAE) 496d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt selector = RSN_AUTH_KEY_MGMT_FT_SAE; 497d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#endif /* CONFIG_SAE */ 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X; 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_PSK) 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X; 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAAuthenticationSuiteSelected = selector; 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5044530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = wpa_cipher_to_suite(WPA_PROTO_RSN, 5054530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt data.pairwise_cipher); 5064530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (!selector) 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_CIPHER_SUITE_CCMP; 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAPairwiseCipherSelected = selector; 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5104530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = wpa_cipher_to_suite(WPA_PROTO_RSN, 5114530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt data.group_cipher); 5124530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (!selector) 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_CIPHER_SUITE_CCMP; 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAGroupCipherSelected = selector; 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_parse_wpa_ie_wpa(wpa_ie, wpa_ie_len, &data); 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = WPA_AUTH_KEY_MGMT_UNSPEC_802_1X; 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = WPA_AUTH_KEY_MGMT_UNSPEC_802_1X; 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_PSK) 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X; 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAAuthenticationSuiteSelected = selector; 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5254530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = wpa_cipher_to_suite(WPA_PROTO_WPA, 5264530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt data.pairwise_cipher); 5274530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (!selector) 5284530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = RSN_CIPHER_SUITE_TKIP; 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAPairwiseCipherSelected = selector; 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5314530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = wpa_cipher_to_suite(WPA_PROTO_WPA, 5324530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt data.group_cipher); 5334530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (!selector) 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = WPA_CIPHER_SUITE_TKIP; 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAGroupCipherSelected = selector; 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res) { 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Failed to parse WPA/RSN IE from " 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR " (res=%d)", MAC2STR(sm->addr), res); 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPA/RSN IE", wpa_ie, wpa_ie_len); 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_IE; 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data.group_cipher != wpa_auth->conf.wpa_group) { 5458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid WPA group cipher (0x%x) from " 5468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, data.group_cipher, MAC2STR(sm->addr)); 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_GROUP; 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_mgmt = data.key_mgmt & wpa_auth->conf.wpa_key_mgmt; 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!key_mgmt) { 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid WPA key mgmt (0x%x) from " 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, data.key_mgmt, MAC2STR(sm->addr)); 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_AKMP; 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (0) { 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X; 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_FT_PSK) 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_FT_PSK; 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256; 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_PSK_SHA256) 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_PSK_SHA256; 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 570d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#ifdef CONFIG_SAE 571d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_SAE) 572d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_SAE; 573d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_FT_SAE) 574d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_FT_SAE; 575d5e4923d04122f81300fa68fb07d64ede28fd44dDmitry Shmidt#endif /* CONFIG_SAE */ 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_IEEE8021X) 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X; 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_PSK; 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (version == WPA_PROTO_RSN) 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ciphers = data.pairwise_cipher & wpa_auth->conf.rsn_pairwise; 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ciphers = data.pairwise_cipher & wpa_auth->conf.wpa_pairwise; 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!ciphers) { 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid %s pairwise cipher (0x%x) " 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "from " MACSTR, 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt version == WPA_PROTO_RSN ? "RSN" : "WPA", 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data.pairwise_cipher, MAC2STR(sm->addr)); 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_PAIRWISE; 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->conf.ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) { 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(data.capabilities & WPA_CAPABILITY_MFPC)) { 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Management frame protection " 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "required, but client did not enable it"); 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_MGMT_FRAME_PROTECTION_VIOLATION; 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ciphers & WPA_CIPHER_TKIP) { 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Management frame protection " 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "cannot use TKIP"); 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_MGMT_FRAME_PROTECTION_VIOLATION; 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 607b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt if (data.mgmt_group_cipher != wpa_auth->conf.group_mgmt_cipher) 608b36ed7cd946148d829f311de8fe53ea3ffaaffe3Dmitry Shmidt { 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Unsupported management group " 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "cipher %d", data.mgmt_group_cipher); 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_MGMT_GROUP_CIPHER; 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->conf.ieee80211w == NO_MGMT_FRAME_PROTECTION || 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(data.capabilities & WPA_CAPABILITY_MFPC)) 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->mgmt_frame_prot = 0; 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->mgmt_frame_prot = 1; 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_key_mgmt_ft(sm->wpa_key_mgmt)) { 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mdie == NULL || mdie_len < MOBILITY_DOMAIN_ID_LEN + 1) { 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Trying to use FT, but " 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "MDIE not included"); 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_MDIE; 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(mdie, wpa_auth->conf.mobility_domain, 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MOBILITY_DOMAIN_ID_LEN) != 0) { 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "RSN: Attempted to use unknown " 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "MDIE", mdie, MOBILITY_DOMAIN_ID_LEN); 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_MDIE; 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 638a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt sm->pairwise = wpa_pick_pairwise_cipher(ciphers, 0); 639a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt if (sm->pairwise < 0) 640a54fa5fb807eaeff45464139b5a7759f060cec68Dmitry Shmidt return WPA_INVALID_PAIRWISE; 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: clear WPA/WPA2 state if STA changes from one to another */ 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_ie[0] == WLAN_EID_RSN) 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa = WPA_VERSION_WPA2; 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa = WPA_VERSION_WPA; 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa = NULL; 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < data.num_pmkid; i++) { 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "RSN IE: STA PMKID", 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &data.pmkid[i * PMKID_LEN], PMKID_LEN); 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa = pmksa_cache_auth_get(wpa_auth->pmksa, sm->addr, 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &data.pmkid[i * PMKID_LEN]); 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->pmksa) { 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pmkid = sm->pmksa->pmkid; 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; sm->pmksa == NULL && wpa_auth->conf.okc && 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i < data.num_pmkid; i++) { 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_auth_okc_iter_data idata; 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.pmksa = NULL; 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.aa = wpa_auth->addr; 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.spa = sm->addr; 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.pmkid = &data.pmkid[i * PMKID_LEN]; 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_for_each_auth(wpa_auth, wpa_auth_okc_iter, &idata); 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (idata.pmksa) { 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_DEBUG, 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "OKC match for PMKID"); 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa = pmksa_cache_add_okc(wpa_auth->pmksa, 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.pmksa, 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->addr, 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.pmkid); 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pmkid = idata.pmkid; 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6787832adbbd72a1b784b7fb74a71a5d4085b0cb0d3Dmitry Shmidt if (sm->pmksa && pmkid) { 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_DEBUG, 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PMKID found from PMKSA cache " 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "eap_type=%d vlan_id=%d", 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa->eap_type_authsrv, 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa->vlan_id); 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wpa_auth->dot11RSNAPMKIDUsed, pmkid, PMKID_LEN); 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->wpa_ie == NULL || sm->wpa_ie_len < wpa_ie_len) { 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->wpa_ie); 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_ie = os_malloc(wpa_ie_len); 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->wpa_ie == NULL) 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_ALLOC_FAIL; 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->wpa_ie, wpa_ie, wpa_ie_len); 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_ie_len = wpa_ie_len; 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_IE_OK; 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 700f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#ifdef CONFIG_HS20 701f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidtint wpa_validate_osen(struct wpa_authenticator *wpa_auth, 702f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt struct wpa_state_machine *sm, 703f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt const u8 *osen_ie, size_t osen_ie_len) 704f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt{ 705f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (wpa_auth == NULL || sm == NULL) 706f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return -1; 707f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 708f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt /* TODO: parse OSEN element */ 709f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_OSEN; 710f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sm->mgmt_frame_prot = 1; 711f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sm->pairwise = WPA_CIPHER_CCMP; 712f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sm->wpa = WPA_VERSION_WPA2; 713f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 714f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (sm->wpa_ie == NULL || sm->wpa_ie_len < osen_ie_len) { 715f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt os_free(sm->wpa_ie); 716f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sm->wpa_ie = os_malloc(osen_ie_len); 717f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (sm->wpa_ie == NULL) 718f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return -1; 719f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 720f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 721f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt os_memcpy(sm->wpa_ie, osen_ie, osen_ie_len); 722f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt sm->wpa_ie_len = osen_ie_len; 723f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 724f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return 0; 725f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt} 726f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 727f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt#endif /* CONFIG_HS20 */ 728f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 729f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_parse_generic - Parse EAPOL-Key Key Data Generic IEs 7328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @pos: Pointer to the IE header 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @end: Pointer to the end of the Key Data buffer 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ie: Pointer to parsed IE data 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, 1 if end mark is found, -1 on failure 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wpa_parse_generic(const u8 *pos, const u8 *end, 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_eapol_ie_parse *ie) 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] == 0) 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] >= 6 && 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == WPA_OUI_TYPE && 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[2 + WPA_SELECTOR_LEN] == 1 && 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[2 + WPA_SELECTOR_LEN + 1] == 0) { 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->wpa_ie = pos; 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->wpa_ie_len = pos[1] + 2; 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 752f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt if (pos[1] >= 4 && WPA_GET_BE32(pos + 2) == OSEN_IE_VENDOR_TYPE) { 753f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ie->osen = pos; 754f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt ie->osen_len = pos[1] + 2; 755f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt return 0; 756f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt } 757f21452aea786ac056eb01f1cbba4f553bd502747Dmitry Shmidt 7588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos + 1 + RSN_SELECTOR_LEN < end && 7598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[1] >= RSN_SELECTOR_LEN + PMKID_LEN && 7608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_PMKID) { 7618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->pmkid = pos + 2 + RSN_SELECTOR_LEN; 7628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 7668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_GROUPKEY) { 7678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->gtk = pos + 2 + RSN_SELECTOR_LEN; 7688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->gtk_len = pos[1] - RSN_SELECTOR_LEN; 7698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 7738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_MAC_ADDR) { 7748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->mac_addr = pos + 2 + RSN_SELECTOR_LEN; 7758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->mac_addr_len = pos[1] - RSN_SELECTOR_LEN; 7768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_PEERKEY 7808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 7818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_SMK) { 7828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->smk = pos + 2 + RSN_SELECTOR_LEN; 7838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->smk_len = pos[1] - RSN_SELECTOR_LEN; 7848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 7888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_NONCE) { 7898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->nonce = pos + 2 + RSN_SELECTOR_LEN; 7908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->nonce_len = pos[1] - RSN_SELECTOR_LEN; 7918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 7958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_LIFETIME) { 7968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->lifetime = pos + 2 + RSN_SELECTOR_LEN; 7978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->lifetime_len = pos[1] - RSN_SELECTOR_LEN; 7988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 7998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 8028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_ERROR) { 8038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->error = pos + 2 + RSN_SELECTOR_LEN; 8048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->error_len = pos[1] - RSN_SELECTOR_LEN; 8058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_PEERKEY */ 8088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 8108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 8118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_IGTK) { 8128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->igtk = pos + 2 + RSN_SELECTOR_LEN; 8138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->igtk_len = pos[1] - RSN_SELECTOR_LEN; 8148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 8178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 818cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt#ifdef CONFIG_P2P 819cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (pos[1] >= RSN_SELECTOR_LEN + 1 && 820cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt RSN_SELECTOR_GET(pos + 2) == WFA_KEY_DATA_IP_ADDR_REQ) { 821cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt ie->ip_addr_req = pos + 2 + RSN_SELECTOR_LEN; 822cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPA: IP Address Request in EAPOL-Key", 823cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt ie->ip_addr_req, pos[1] - RSN_SELECTOR_LEN); 824cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return 0; 825cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 826cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 827cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt if (pos[1] >= RSN_SELECTOR_LEN + 3 * 4 && 828cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt RSN_SELECTOR_GET(pos + 2) == WFA_KEY_DATA_IP_ADDR_ALLOC) { 829cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt ie->ip_addr_alloc = pos + 2 + RSN_SELECTOR_LEN; 830cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt wpa_hexdump(MSG_DEBUG, 831cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt "WPA: IP Address Allocation in EAPOL-Key", 832cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt ie->ip_addr_alloc, pos[1] - RSN_SELECTOR_LEN); 833cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt return 0; 834cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt } 835cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt#endif /* CONFIG_P2P */ 836cf32e60fa7e0d33fe1551a6dba8dcbbec47ea50eDmitry Shmidt 8378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 8388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 8428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_parse_kde_ies - Parse EAPOL-Key Key Data IEs 8438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Pointer to the Key Data buffer 8448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Key Data Length 8458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ie: Pointer to parsed IE data 8468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 8478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 8488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_parse_kde_ies(const u8 *buf, size_t len, struct wpa_eapol_ie_parse *ie) 8498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 8508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos, *end; 8518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret = 0; 8528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(ie, 0, sizeof(*ie)); 8548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (pos = buf, end = pos + len; pos + 1 < end; pos += 2 + pos[1]) { 8558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[0] == 0xdd && 8568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ((pos == buf + len - 1) || pos[1] == 0)) { 8578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Ignore padding */ 8588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos + 2 + pos[1] > end) { 8618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPA: EAPOL-Key Key Data " 8628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "underflow (ie=%d len=%d pos=%d)", 8638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[0], pos[1], (int) (pos - buf)); 8648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPA: Key Data", 8658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf, len); 8668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = -1; 8678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*pos == WLAN_EID_RSN) { 8708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->rsn_ie = pos; 8718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->rsn_ie_len = pos[1] + 2; 8728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 8738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (*pos == WLAN_EID_MOBILITY_DOMAIN) { 8748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->mdie = pos; 8758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->mdie_len = pos[1] + 2; 8768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (*pos == WLAN_EID_FAST_BSS_TRANSITION) { 8778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->ftie = pos; 8788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->ftie_len = pos[1] + 2; 8798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 8808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (*pos == WLAN_EID_VENDOR_SPECIFIC) { 8818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wpa_parse_generic(pos, end, ie); 8828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0) 8838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret > 0) { 8858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = 0; 8868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 8878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 8898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPA: Unrecognized EAPOL-Key " 8908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Key Data IE", pos, 2 + pos[1]); 8918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 8938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 8958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 8968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 8988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_auth_uses_mfp(struct wpa_state_machine *sm) 8998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 9008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm ? sm->mgmt_frame_prot : 0; 9018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 902