wpa_auth_ie.c revision 4530cfd4d14a77c58e35393b91e40f8dd9d62697
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 */ 1918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 1928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 1938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (rsn_testing) { 1948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_SELECTOR(0x12, 0x34, 0x56, 2)); 1958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 1968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt num_suites++; 1978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 1988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 1998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (num_suites == 0) { 2018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid key management type (%d).", 2028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt conf->wpa_key_mgmt); 2038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(count, num_suites); 2068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* RSN Capabilities */ 2088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab = 0; 2098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->rsn_preauth) 2108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= WPA_CAPABILITY_PREAUTH; 2118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->peerkey) 2128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= WPA_CAPABILITY_PEERKEY_ENABLED; 2138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->wmm_enabled) { 2148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 4 PTKSA replay counters when using WMM */ 2158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= (RSN_NUM_REPLAY_COUNTERS_16 << 2); 2168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 2188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) { 2198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= WPA_CAPABILITY_MFPC; 2208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) 2218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= WPA_CAPABILITY_MFPR; 2228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 2248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 2258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (rsn_testing) 2268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt capab |= BIT(8) | BIT(14) | BIT(15); 2278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 2288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(pos, capab); 2298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pmkid) { 2328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos + 2 + PMKID_LEN > buf + len) 2338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PMKID Count */ 2358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(pos, 1); 2368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, pmkid, PMKID_LEN); 2388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += PMKID_LEN; 2398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 2428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) { 2438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos + 2 + 4 > buf + len) 2448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 2458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pmkid == NULL) { 2468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PMKID Count */ 2478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(pos, 0); 2488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Management Group Cipher Suite */ 2528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC); 2538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 2548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 2568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_RSN_TESTING 2588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (rsn_testing) { 2598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* 2608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Fill in any defined fields and add extra data to the end of 2618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * the element. 2628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 2638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int pmkid_count_set = pmkid != NULL; 2648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) 2658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pmkid_count_set = 1; 2668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* PMKID Count */ 2678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt WPA_PUT_LE16(pos, 0); 2688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 2; 2698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (conf->ieee80211w == NO_MGMT_FRAME_PROTECTION) { 2708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Management Group Cipher Suite */ 2718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC); 2728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 2738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(pos, 0x12, 17); 2768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += 17; 2778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 2788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_RSN_TESTING */ 2798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt hdr->len = (pos - buf) - 2; 2818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos - buf; 2838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 2848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_auth_gen_wpa_ie(struct wpa_authenticator *wpa_auth) 2878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 2888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u8 *pos, buf[128]; 2898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int res; 2908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos = buf; 2928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 2938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->conf.wpa & WPA_PROTO_RSN) { 2948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_write_rsn_ie(&wpa_auth->conf, 2958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos, buf + sizeof(buf) - pos, NULL); 2968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 2978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 2988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += res; 2998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 3011f69aa52ea2e0a73ac502565df8c666ee49cab6aDmitry Shmidt if (wpa_key_mgmt_ft(wpa_auth->conf.wpa_key_mgmt)) { 3028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_write_mdie(&wpa_auth->conf, pos, 3038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf + sizeof(buf) - pos); 3048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 3058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 3068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += res; 3078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 3098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->conf.wpa & WPA_PROTO_WPA) { 3108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_write_wpa_ie(&wpa_auth->conf, 3118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos, buf + sizeof(buf) - pos); 3128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res < 0) 3138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return res; 3148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += res; 3158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(wpa_auth->wpa_ie); 3188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->wpa_ie = os_malloc(pos - buf); 3198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->wpa_ie == NULL) 3208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return -1; 3218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wpa_auth->wpa_ie, buf, pos - buf); 3228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->wpa_ie_len = pos - buf; 3238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtu8 * wpa_add_kde(u8 *pos, u32 kde, const u8 *data, size_t data_len, 3298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *data2, size_t data2_len) 3308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = WLAN_EID_VENDOR_SPECIFIC; 3328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt *pos++ = RSN_SELECTOR_LEN + data_len + data2_len; 3338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_PUT(pos, kde); 3348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += RSN_SELECTOR_LEN; 3358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, data, data_len); 3368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += data_len; 3378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data2) { 3388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(pos, data2, data2_len); 3398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos += data2_len; 3408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return pos; 3428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstruct wpa_auth_okc_iter_data { 3468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct rsn_pmksa_cache_entry *pmksa; 3478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *aa; 3488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *spa; 3498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pmkid; 3508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt}; 3518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wpa_auth_okc_iter(struct wpa_authenticator *a, void *ctx) 3548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_auth_okc_iter_data *data = ctx; 3568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->pmksa = pmksa_cache_get_okc(a->pmksa, data->aa, data->spa, 3578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data->pmkid); 3588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data->pmksa) 3598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 3608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 3618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 3628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth, 3658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_state_machine *sm, 3668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *wpa_ie, size_t wpa_ie_len, 3678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *mdie, size_t mdie_len) 3688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 3698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_ie_data data; 3708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ciphers, key_mgmt, res, version; 3718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt u32 selector; 3728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt size_t i; 3738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pmkid = NULL; 3748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth == NULL || sm == NULL) 3768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_NOT_ENABLED; 3778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_ie == NULL || wpa_ie_len < 1) 3798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_IE; 3808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_ie[0] == WLAN_EID_RSN) 3828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt version = WPA_PROTO_RSN; 3838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 3848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt version = WPA_PROTO_WPA; 3858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(wpa_auth->conf.wpa & version)) { 3878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid WPA proto (%d) from " MACSTR, 3888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt version, MAC2STR(sm->addr)); 3898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_PROTO; 3908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (version == WPA_PROTO_RSN) { 3938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_parse_wpa_ie_rsn(wpa_ie, wpa_ie_len, &data); 3948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 3958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X; 3968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (0) { 3978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 3988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 3998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) 4008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_FT_802_1X; 4018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) 4028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_FT_PSK; 4038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 4048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 4058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) 4068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_802_1X_SHA256; 4078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) 4088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_PSK_SHA256; 4098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 4108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) 4118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_UNSPEC_802_1X; 4128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_PSK) 4138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X; 4148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAAuthenticationSuiteSelected = selector; 4158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4164530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = wpa_cipher_to_suite(WPA_PROTO_RSN, 4174530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt data.pairwise_cipher); 4184530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (!selector) 4198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_CIPHER_SUITE_CCMP; 4208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAPairwiseCipherSelected = selector; 4218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4224530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = wpa_cipher_to_suite(WPA_PROTO_RSN, 4234530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt data.group_cipher); 4244530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (!selector) 4258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = RSN_CIPHER_SUITE_CCMP; 4268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAGroupCipherSelected = selector; 4278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 4288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt res = wpa_parse_wpa_ie_wpa(wpa_ie, wpa_ie_len, &data); 4298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = WPA_AUTH_KEY_MGMT_UNSPEC_802_1X; 4318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) 4328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = WPA_AUTH_KEY_MGMT_UNSPEC_802_1X; 4338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (data.key_mgmt & WPA_KEY_MGMT_PSK) 4348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X; 4358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAAuthenticationSuiteSelected = selector; 4368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4374530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = wpa_cipher_to_suite(WPA_PROTO_WPA, 4384530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt data.pairwise_cipher); 4394530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (!selector) 4404530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = RSN_CIPHER_SUITE_TKIP; 4418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAPairwiseCipherSelected = selector; 4428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4434530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt selector = wpa_cipher_to_suite(WPA_PROTO_WPA, 4444530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt data.group_cipher); 4454530cfd4d14a77c58e35393b91e40f8dd9d62697Dmitry Shmidt if (!selector) 4468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt selector = WPA_CIPHER_SUITE_TKIP; 4478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->dot11RSNAGroupCipherSelected = selector; 4488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (res) { 4508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Failed to parse WPA/RSN IE from " 4518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR " (res=%d)", MAC2STR(sm->addr), res); 4528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPA/RSN IE", wpa_ie, wpa_ie_len); 4538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_IE; 4548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data.group_cipher != wpa_auth->conf.wpa_group) { 4578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid WPA group cipher (0x%x) from " 4588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, data.group_cipher, MAC2STR(sm->addr)); 4598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_GROUP; 4608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt key_mgmt = data.key_mgmt & wpa_auth->conf.wpa_key_mgmt; 4638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!key_mgmt) { 4648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid WPA key mgmt (0x%x) from " 4658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MACSTR, data.key_mgmt, MAC2STR(sm->addr)); 4668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_AKMP; 4678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (0) { 4698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 4718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) 4728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_FT_IEEE8021X; 4738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_FT_PSK) 4748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_FT_PSK; 4758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 4768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 4778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) 4788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X_SHA256; 4798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_PSK_SHA256) 4808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_PSK_SHA256; 4818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 4828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else if (key_mgmt & WPA_KEY_MGMT_IEEE8021X) 4838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_IEEE8021X; 4848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 4858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_key_mgmt = WPA_KEY_MGMT_PSK; 4868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (version == WPA_PROTO_RSN) 4888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ciphers = data.pairwise_cipher & wpa_auth->conf.rsn_pairwise; 4898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 4908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ciphers = data.pairwise_cipher & wpa_auth->conf.wpa_pairwise; 4918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!ciphers) { 4928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Invalid %s pairwise cipher (0x%x) " 4938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "from " MACSTR, 4948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt version == WPA_PROTO_RSN ? "RSN" : "WPA", 4958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt data.pairwise_cipher, MAC2STR(sm->addr)); 4968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_PAIRWISE; 4978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 4988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 4998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 5008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->conf.ieee80211w == MGMT_FRAME_PROTECTION_REQUIRED) { 5018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (!(data.capabilities & WPA_CAPABILITY_MFPC)) { 5028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Management frame protection " 5038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "required, but client did not enable it"); 5048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_MGMT_FRAME_PROTECTION_VIOLATION; 5058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ciphers & WPA_CIPHER_TKIP) { 5088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Management frame protection " 5098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "cannot use TKIP"); 5108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_MGMT_FRAME_PROTECTION_VIOLATION; 5118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (data.mgmt_group_cipher != WPA_CIPHER_AES_128_CMAC) { 5148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "Unsupported management group " 5158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "cipher %d", data.mgmt_group_cipher); 5168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_MGMT_GROUP_CIPHER; 5178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_auth->conf.ieee80211w == NO_MGMT_FRAME_PROTECTION || 5218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt !(data.capabilities & WPA_CAPABILITY_MFPC)) 5228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->mgmt_frame_prot = 0; 5238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 5248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->mgmt_frame_prot = 1; 5258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 5268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 5288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_key_mgmt_ft(sm->wpa_key_mgmt)) { 5298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (mdie == NULL || mdie_len < MOBILITY_DOMAIN_ID_LEN + 1) { 5308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "RSN: Trying to use FT, but " 5318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "MDIE not included"); 5328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_MDIE; 5338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (os_memcmp(mdie, wpa_auth->conf.mobility_domain, 5358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt MOBILITY_DOMAIN_ID_LEN) != 0) { 5368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "RSN: Attempted to use unknown " 5378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "MDIE", mdie, MOBILITY_DOMAIN_ID_LEN); 5388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_INVALID_MDIE; 5398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 5428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ciphers & WPA_CIPHER_CCMP) 5448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pairwise = WPA_CIPHER_CCMP; 54561d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt else if (ciphers & WPA_CIPHER_GCMP) 54661d9df3e62aaa0e87ad05452fcb95142159a17b6Dmitry Shmidt sm->pairwise = WPA_CIPHER_GCMP; 5478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 5488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pairwise = WPA_CIPHER_TKIP; 5498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* TODO: clear WPA/WPA2 state if STA changes from one to another */ 5518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (wpa_ie[0] == WLAN_EID_RSN) 5528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa = WPA_VERSION_WPA2; 5538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt else 5548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa = WPA_VERSION_WPA; 5558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa = NULL; 5578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; i < data.num_pmkid; i++) { 5588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "RSN IE: STA PMKID", 5598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &data.pmkid[i * PMKID_LEN], PMKID_LEN); 5608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa = pmksa_cache_auth_get(wpa_auth->pmksa, sm->addr, 5618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt &data.pmkid[i * PMKID_LEN]); 5628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->pmksa) { 5638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pmkid = sm->pmksa->pmkid; 5648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (i = 0; sm->pmksa == NULL && wpa_auth->conf.okc && 5688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt i < data.num_pmkid; i++) { 5698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_auth_okc_iter_data idata; 5708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.pmksa = NULL; 5718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.aa = wpa_auth->addr; 5728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.spa = sm->addr; 5738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.pmkid = &data.pmkid[i * PMKID_LEN]; 5748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_for_each_auth(wpa_auth, wpa_auth_okc_iter, &idata); 5758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (idata.pmksa) { 5768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_DEBUG, 5778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "OKC match for PMKID"); 5788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa = pmksa_cache_add_okc(wpa_auth->pmksa, 5798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.pmksa, 5808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth->addr, 5818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt idata.pmkid); 5828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pmkid = idata.pmkid; 5838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 5848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->pmksa) { 5878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_auth_vlogger(wpa_auth, sm->addr, LOGGER_DEBUG, 5888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "PMKID found from PMKSA cache " 5898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "eap_type=%d vlan_id=%d", 5908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa->eap_type_authsrv, 5918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->pmksa->vlan_id); 5928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(wpa_auth->dot11RSNAPMKIDUsed, pmkid, PMKID_LEN); 5938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 5948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 5958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->wpa_ie == NULL || sm->wpa_ie_len < wpa_ie_len) { 5968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_free(sm->wpa_ie); 5978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_ie = os_malloc(wpa_ie_len); 5988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (sm->wpa_ie == NULL) 5998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_ALLOC_FAIL; 6008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memcpy(sm->wpa_ie, wpa_ie, wpa_ie_len); 6028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt sm->wpa_ie_len = wpa_ie_len; 6038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return WPA_IE_OK; 6058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 6098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_parse_generic - Parse EAPOL-Key Key Data Generic IEs 6108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @pos: Pointer to the IE header 6118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @end: Pointer to the end of the Key Data buffer 6128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ie: Pointer to parsed IE data 6138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, 1 if end mark is found, -1 on failure 6148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 6158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtstatic int wpa_parse_generic(const u8 *pos, const u8 *end, 6168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt struct wpa_eapol_ie_parse *ie) 6178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 6188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] == 0) 6198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 1; 6208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] >= 6 && 6228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == WPA_OUI_TYPE && 6238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[2 + WPA_SELECTOR_LEN] == 1 && 6248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[2 + WPA_SELECTOR_LEN + 1] == 0) { 6258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->wpa_ie = pos; 6268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->wpa_ie_len = pos[1] + 2; 6278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos + 1 + RSN_SELECTOR_LEN < end && 6318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[1] >= RSN_SELECTOR_LEN + PMKID_LEN && 6328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_PMKID) { 6338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->pmkid = pos + 2 + RSN_SELECTOR_LEN; 6348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 6388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_GROUPKEY) { 6398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->gtk = pos + 2 + RSN_SELECTOR_LEN; 6408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->gtk_len = pos[1] - RSN_SELECTOR_LEN; 6418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 6458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_MAC_ADDR) { 6468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->mac_addr = pos + 2 + RSN_SELECTOR_LEN; 6478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->mac_addr_len = pos[1] - RSN_SELECTOR_LEN; 6488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_PEERKEY 6528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 6538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_SMK) { 6548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->smk = pos + 2 + RSN_SELECTOR_LEN; 6558d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->smk_len = pos[1] - RSN_SELECTOR_LEN; 6568d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6578d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6588d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6598d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 6608d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_NONCE) { 6618d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->nonce = pos + 2 + RSN_SELECTOR_LEN; 6628d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->nonce_len = pos[1] - RSN_SELECTOR_LEN; 6638d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6648d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6658d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6668d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 6678d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_LIFETIME) { 6688d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->lifetime = pos + 2 + RSN_SELECTOR_LEN; 6698d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->lifetime_len = pos[1] - RSN_SELECTOR_LEN; 6708d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6718d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6728d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6738d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 6748d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_ERROR) { 6758d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->error = pos + 2 + RSN_SELECTOR_LEN; 6768d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->error_len = pos[1] - RSN_SELECTOR_LEN; 6778d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6788d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6798d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_PEERKEY */ 6808d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6818d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211W 6828d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[1] > RSN_SELECTOR_LEN + 2 && 6838d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_IGTK) { 6848d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->igtk = pos + 2 + RSN_SELECTOR_LEN; 6858d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->igtk_len = pos[1] - RSN_SELECTOR_LEN; 6868d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6878d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 6888d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211W */ 6898d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6908d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return 0; 6918d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 6928d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6938d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 6948d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt/** 6958d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * wpa_parse_kde_ies - Parse EAPOL-Key Key Data IEs 6968d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @buf: Pointer to the Key Data buffer 6978d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @len: Key Data Length 6988d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * @ie: Pointer to parsed IE data 6998d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt * Returns: 0 on success, -1 on failure 7008d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt */ 7018d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_parse_kde_ies(const u8 *buf, size_t len, struct wpa_eapol_ie_parse *ie) 7028d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7038d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt const u8 *pos, *end; 7048d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt int ret = 0; 7058d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7068d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt os_memset(ie, 0, sizeof(*ie)); 7078d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt for (pos = buf, end = pos + len; pos + 1 < end; pos += 2 + pos[1]) { 7088d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos[0] == 0xdd && 7098d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ((pos == buf + len - 1) || pos[1] == 0)) { 7108d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt /* Ignore padding */ 7118d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 7128d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7138d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (pos + 2 + pos[1] > end) { 7148d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_printf(MSG_DEBUG, "WPA: EAPOL-Key Key Data " 7158d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "underflow (ie=%d len=%d pos=%d)", 7168d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt pos[0], pos[1], (int) (pos - buf)); 7178d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump_key(MSG_DEBUG, "WPA: Key Data", 7188d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt buf, len); 7198d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = -1; 7208d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 7218d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7228d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (*pos == WLAN_EID_RSN) { 7238d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->rsn_ie = pos; 7248d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->rsn_ie_len = pos[1] + 2; 7258d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#ifdef CONFIG_IEEE80211R 7268d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (*pos == WLAN_EID_MOBILITY_DOMAIN) { 7278d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->mdie = pos; 7288d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->mdie_len = pos[1] + 2; 7298d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (*pos == WLAN_EID_FAST_BSS_TRANSITION) { 7308d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->ftie = pos; 7318d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ie->ftie_len = pos[1] + 2; 7328d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt#endif /* CONFIG_IEEE80211R */ 7338d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else if (*pos == WLAN_EID_VENDOR_SPECIFIC) { 7348d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = wpa_parse_generic(pos, end, ie); 7358d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret < 0) 7368d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 7378d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt if (ret > 0) { 7388d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt ret = 0; 7398d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt break; 7408d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7418d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } else { 7428d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt wpa_hexdump(MSG_DEBUG, "WPA: Unrecognized EAPOL-Key " 7438d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt "Key Data IE", pos, 2 + pos[1]); 7448d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7458d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt } 7468d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7478d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return ret; 7488d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 7498d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7508d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt 7518d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidtint wpa_auth_uses_mfp(struct wpa_state_machine *sm) 7528d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt{ 7538d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt return sm ? sm->mgmt_frame_prot : 0; 7548d520ff1dc2da35cdca849e982051b86468016d8Dmitry Shmidt} 755