![Ilan Peer](/assets/img/avatar_default.png)
Derive the KDK as part of PMK to PTK derivation if forced by configuration or in case both the local station and the AP declare support for secure LTF. Signed-off-by: Ilan Peer <ilan.peer@intel.com>
1484 lines
39 KiB
C
1484 lines
39 KiB
C
/*
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* WPA Supplicant - Glue code to setup EAPOL and RSN modules
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* Copyright (c) 2003-2015, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#include "includes.h"
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#include "common.h"
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#include "eapol_supp/eapol_supp_sm.h"
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#include "eap_peer/eap.h"
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#include "rsn_supp/wpa.h"
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#include "eloop.h"
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#include "config.h"
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#include "l2_packet/l2_packet.h"
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#include "common/wpa_common.h"
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#include "common/ptksa_cache.h"
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#include "wpa_supplicant_i.h"
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#include "driver_i.h"
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#include "rsn_supp/pmksa_cache.h"
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#include "sme.h"
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#include "common/ieee802_11_defs.h"
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#include "common/wpa_ctrl.h"
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#include "wpas_glue.h"
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#include "wps_supplicant.h"
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#include "bss.h"
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#include "scan.h"
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#include "notify.h"
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#include "wpas_kay.h"
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#ifndef CONFIG_NO_CONFIG_BLOBS
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#if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
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static void wpa_supplicant_set_config_blob(void *ctx,
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struct wpa_config_blob *blob)
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{
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struct wpa_supplicant *wpa_s = ctx;
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wpa_config_set_blob(wpa_s->conf, blob);
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if (wpa_s->conf->update_config) {
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int ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
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if (ret) {
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wpa_printf(MSG_DEBUG, "Failed to update config after "
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"blob set");
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}
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}
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}
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static const struct wpa_config_blob *
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wpa_supplicant_get_config_blob(void *ctx, const char *name)
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{
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struct wpa_supplicant *wpa_s = ctx;
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return wpa_config_get_blob(wpa_s->conf, name);
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}
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#endif /* defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA) */
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#endif /* CONFIG_NO_CONFIG_BLOBS */
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#if defined(IEEE8021X_EAPOL) || !defined(CONFIG_NO_WPA)
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static u8 * wpa_alloc_eapol(const struct wpa_supplicant *wpa_s, u8 type,
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const void *data, u16 data_len,
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size_t *msg_len, void **data_pos)
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{
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struct ieee802_1x_hdr *hdr;
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*msg_len = sizeof(*hdr) + data_len;
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hdr = os_malloc(*msg_len);
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if (hdr == NULL)
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return NULL;
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hdr->version = wpa_s->conf->eapol_version;
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hdr->type = type;
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hdr->length = host_to_be16(data_len);
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if (data)
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os_memcpy(hdr + 1, data, data_len);
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else
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os_memset(hdr + 1, 0, data_len);
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if (data_pos)
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*data_pos = hdr + 1;
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return (u8 *) hdr;
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}
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/**
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* wpa_ether_send - Send Ethernet frame
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* @wpa_s: Pointer to wpa_supplicant data
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* @dest: Destination MAC address
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* @proto: Ethertype in host byte order
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* @buf: Frame payload starting from IEEE 802.1X header
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* @len: Frame payload length
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* Returns: >=0 on success, <0 on failure
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*/
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static int wpa_ether_send(struct wpa_supplicant *wpa_s, const u8 *dest,
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u16 proto, const u8 *buf, size_t len)
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{
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#ifdef CONFIG_TESTING_OPTIONS
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if (wpa_s->ext_eapol_frame_io && proto == ETH_P_EAPOL) {
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size_t hex_len = 2 * len + 1;
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char *hex = os_malloc(hex_len);
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if (hex == NULL)
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return -1;
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wpa_snprintf_hex(hex, hex_len, buf, len);
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wpa_msg(wpa_s, MSG_INFO, "EAPOL-TX " MACSTR " %s",
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MAC2STR(dest), hex);
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os_free(hex);
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return 0;
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}
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#endif /* CONFIG_TESTING_OPTIONS */
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if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_CONTROL_PORT) {
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int encrypt = wpa_s->wpa &&
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wpa_sm_has_ptk_installed(wpa_s->wpa);
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return wpa_drv_tx_control_port(wpa_s, dest, proto, buf, len,
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!encrypt);
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}
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if (wpa_s->l2) {
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return l2_packet_send(wpa_s->l2, dest, proto, buf, len);
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}
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return -1;
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}
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#endif /* IEEE8021X_EAPOL || !CONFIG_NO_WPA */
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#ifdef IEEE8021X_EAPOL
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/**
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* wpa_supplicant_eapol_send - Send IEEE 802.1X EAPOL packet to Authenticator
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* @ctx: Pointer to wpa_supplicant data (wpa_s)
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* @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
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* @buf: EAPOL payload (after IEEE 802.1X header)
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* @len: EAPOL payload length
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* Returns: >=0 on success, <0 on failure
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*
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* This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
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* to the current Authenticator.
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*/
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static int wpa_supplicant_eapol_send(void *ctx, int type, const u8 *buf,
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size_t len)
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{
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struct wpa_supplicant *wpa_s = ctx;
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u8 *msg, *dst, bssid[ETH_ALEN];
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size_t msglen;
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int res;
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/* TODO: could add l2_packet_sendmsg that allows fragments to avoid
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* extra copy here */
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if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) ||
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wpa_s->key_mgmt == WPA_KEY_MGMT_OWE ||
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wpa_s->key_mgmt == WPA_KEY_MGMT_DPP ||
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wpa_s->key_mgmt == WPA_KEY_MGMT_NONE) {
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/* Current SSID is not using IEEE 802.1X/EAP, so drop possible
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* EAPOL frames (mainly, EAPOL-Start) from EAPOL state
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* machines. */
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wpa_printf(MSG_DEBUG, "WPA: drop TX EAPOL in non-IEEE 802.1X "
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"mode (type=%d len=%lu)", type,
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(unsigned long) len);
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return -1;
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}
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if (pmksa_cache_get_current(wpa_s->wpa) &&
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type == IEEE802_1X_TYPE_EAPOL_START) {
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/*
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* We were trying to use PMKSA caching and sending EAPOL-Start
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* would abort that and trigger full EAPOL authentication.
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* However, we've already waited for the AP/Authenticator to
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* start 4-way handshake or EAP authentication, and apparently
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* it has not done so since the startWhen timer has reached zero
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* to get the state machine sending EAPOL-Start. This is not
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* really supposed to happen, but an interoperability issue with
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* a deployed AP has been identified where the connection fails
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* due to that AP failing to operate correctly if PMKID is
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* included in the Association Request frame. To work around
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* this, assume PMKSA caching failed and try to initiate full
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* EAP authentication.
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*/
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if (!wpa_s->current_ssid ||
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wpa_s->current_ssid->eap_workaround) {
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wpa_printf(MSG_DEBUG,
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"RSN: Timeout on waiting for the AP to initiate 4-way handshake for PMKSA caching or EAP authentication - try to force it to start EAP authentication");
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} else {
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wpa_printf(MSG_DEBUG,
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"RSN: PMKSA caching - do not send EAPOL-Start");
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return -1;
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}
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}
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if (is_zero_ether_addr(wpa_s->bssid)) {
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wpa_printf(MSG_DEBUG, "BSSID not set when trying to send an "
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"EAPOL frame");
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if (wpa_drv_get_bssid(wpa_s, bssid) == 0 &&
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!is_zero_ether_addr(bssid)) {
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dst = bssid;
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wpa_printf(MSG_DEBUG, "Using current BSSID " MACSTR
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" from the driver as the EAPOL destination",
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MAC2STR(dst));
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} else {
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dst = wpa_s->last_eapol_src;
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wpa_printf(MSG_DEBUG, "Using the source address of the"
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" last received EAPOL frame " MACSTR " as "
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"the EAPOL destination",
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MAC2STR(dst));
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}
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} else {
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/* BSSID was already set (from (Re)Assoc event, so use it as
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* the EAPOL destination. */
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dst = wpa_s->bssid;
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}
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msg = wpa_alloc_eapol(wpa_s, type, buf, len, &msglen, NULL);
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if (msg == NULL)
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return -1;
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wpa_printf(MSG_DEBUG, "TX EAPOL: dst=" MACSTR, MAC2STR(dst));
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wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", msg, msglen);
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res = wpa_ether_send(wpa_s, dst, ETH_P_EAPOL, msg, msglen);
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os_free(msg);
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return res;
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}
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#ifdef CONFIG_WEP
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/**
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* wpa_eapol_set_wep_key - set WEP key for the driver
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* @ctx: Pointer to wpa_supplicant data (wpa_s)
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* @unicast: 1 = individual unicast key, 0 = broadcast key
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* @keyidx: WEP key index (0..3)
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* @key: Pointer to key data
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* @keylen: Key length in bytes
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* Returns: 0 on success or < 0 on error.
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*/
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static int wpa_eapol_set_wep_key(void *ctx, int unicast, int keyidx,
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const u8 *key, size_t keylen)
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{
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struct wpa_supplicant *wpa_s = ctx;
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if (wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
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int cipher = (keylen == 5) ? WPA_CIPHER_WEP40 :
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WPA_CIPHER_WEP104;
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if (unicast)
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wpa_s->pairwise_cipher = cipher;
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else
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wpa_s->group_cipher = cipher;
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}
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return wpa_drv_set_key(wpa_s, WPA_ALG_WEP,
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unicast ? wpa_s->bssid : NULL,
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keyidx, unicast, NULL, 0, key, keylen,
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unicast ? KEY_FLAG_PAIRWISE_RX_TX :
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KEY_FLAG_GROUP_RX_TX_DEFAULT);
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}
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#endif /* CONFIG_WEP */
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static void wpa_supplicant_aborted_cached(void *ctx)
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{
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struct wpa_supplicant *wpa_s = ctx;
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wpa_sm_aborted_cached(wpa_s->wpa);
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}
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static const char * result_str(enum eapol_supp_result result)
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{
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switch (result) {
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case EAPOL_SUPP_RESULT_FAILURE:
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return "FAILURE";
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case EAPOL_SUPP_RESULT_SUCCESS:
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return "SUCCESS";
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case EAPOL_SUPP_RESULT_EXPECTED_FAILURE:
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return "EXPECTED_FAILURE";
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}
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return "?";
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}
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static void wpa_supplicant_eapol_cb(struct eapol_sm *eapol,
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enum eapol_supp_result result,
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void *ctx)
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{
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struct wpa_supplicant *wpa_s = ctx;
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int res, pmk_len;
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u8 pmk[PMK_LEN];
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wpa_printf(MSG_DEBUG, "EAPOL authentication completed - result=%s",
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result_str(result));
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if (wpas_wps_eapol_cb(wpa_s) > 0)
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return;
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wpa_s->eap_expected_failure = result ==
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EAPOL_SUPP_RESULT_EXPECTED_FAILURE;
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if (result != EAPOL_SUPP_RESULT_SUCCESS) {
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/*
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* Make sure we do not get stuck here waiting for long EAPOL
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* timeout if the AP does not disconnect in case of
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* authentication failure.
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*/
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wpa_supplicant_req_auth_timeout(wpa_s, 2, 0);
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} else {
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ieee802_1x_notify_create_actor(wpa_s, wpa_s->last_eapol_src);
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}
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if (result != EAPOL_SUPP_RESULT_SUCCESS ||
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!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X))
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return;
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if (!wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt))
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return;
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wpa_printf(MSG_DEBUG, "Configure PMK for driver-based RSN 4-way "
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"handshake");
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pmk_len = PMK_LEN;
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if (wpa_key_mgmt_ft(wpa_s->key_mgmt)) {
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#ifdef CONFIG_IEEE80211R
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u8 buf[2 * PMK_LEN];
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wpa_printf(MSG_DEBUG, "RSN: Use FT XXKey as PMK for "
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"driver-based 4-way hs and FT");
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res = eapol_sm_get_key(eapol, buf, 2 * PMK_LEN);
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if (res == 0) {
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os_memcpy(pmk, buf + PMK_LEN, PMK_LEN);
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os_memset(buf, 0, sizeof(buf));
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}
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#else /* CONFIG_IEEE80211R */
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res = -1;
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#endif /* CONFIG_IEEE80211R */
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} else {
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res = eapol_sm_get_key(eapol, pmk, PMK_LEN);
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if (res) {
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/*
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* EAP-LEAP is an exception from other EAP methods: it
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* uses only 16-byte PMK.
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*/
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res = eapol_sm_get_key(eapol, pmk, 16);
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pmk_len = 16;
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}
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}
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if (res) {
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wpa_printf(MSG_DEBUG, "Failed to get PMK from EAPOL state "
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"machines");
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return;
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}
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wpa_hexdump_key(MSG_DEBUG, "RSN: Configure PMK for driver-based 4-way "
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"handshake", pmk, pmk_len);
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if (wpa_drv_set_key(wpa_s, 0, NULL, 0, 0, NULL, 0, pmk,
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pmk_len, KEY_FLAG_PMK)) {
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wpa_printf(MSG_DEBUG, "Failed to set PMK to the driver");
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}
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wpa_supplicant_cancel_scan(wpa_s);
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wpa_supplicant_cancel_auth_timeout(wpa_s);
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wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
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}
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static void wpa_supplicant_notify_eapol_done(void *ctx)
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{
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struct wpa_supplicant *wpa_s = ctx;
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wpa_msg(wpa_s, MSG_DEBUG, "WPA: EAPOL processing complete");
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if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
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wpa_supplicant_set_state(wpa_s, WPA_4WAY_HANDSHAKE);
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} else {
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wpa_supplicant_cancel_auth_timeout(wpa_s);
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wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
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}
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}
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#endif /* IEEE8021X_EAPOL */
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#ifndef CONFIG_NO_WPA
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static int wpa_get_beacon_ie(struct wpa_supplicant *wpa_s)
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{
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int ret = 0;
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struct wpa_bss *curr = NULL, *bss;
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struct wpa_ssid *ssid = wpa_s->current_ssid;
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const u8 *ie;
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dl_list_for_each(bss, &wpa_s->bss, struct wpa_bss, list) {
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if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) != 0)
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continue;
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if (ssid == NULL ||
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((bss->ssid_len == ssid->ssid_len &&
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os_memcmp(bss->ssid, ssid->ssid, ssid->ssid_len) == 0) ||
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ssid->ssid_len == 0)) {
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curr = bss;
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break;
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}
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#ifdef CONFIG_OWE
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if (ssid && (ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
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(bss->flags & WPA_BSS_OWE_TRANSITION)) {
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curr = bss;
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break;
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}
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#endif /* CONFIG_OWE */
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}
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if (curr) {
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ie = wpa_bss_get_vendor_ie(curr, WPA_IE_VENDOR_TYPE);
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if (wpa_sm_set_ap_wpa_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
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ret = -1;
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ie = wpa_bss_get_ie(curr, WLAN_EID_RSN);
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if (wpa_sm_set_ap_rsn_ie(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
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ret = -1;
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ie = wpa_bss_get_ie(curr, WLAN_EID_RSNX);
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if (wpa_sm_set_ap_rsnxe(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0))
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ret = -1;
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} else {
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ret = -1;
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}
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return ret;
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}
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static int wpa_supplicant_get_beacon_ie(void *ctx)
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{
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struct wpa_supplicant *wpa_s = ctx;
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if (wpa_get_beacon_ie(wpa_s) == 0) {
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return 0;
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}
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/* No WPA/RSN IE found in the cached scan results. Try to get updated
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* scan results from the driver. */
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if (wpa_supplicant_update_scan_results(wpa_s) < 0)
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return -1;
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return wpa_get_beacon_ie(wpa_s);
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}
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static u8 * _wpa_alloc_eapol(void *wpa_s, u8 type,
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const void *data, u16 data_len,
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size_t *msg_len, void **data_pos)
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{
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return wpa_alloc_eapol(wpa_s, type, data, data_len, msg_len, data_pos);
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}
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static int _wpa_ether_send(void *wpa_s, const u8 *dest, u16 proto,
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const u8 *buf, size_t len)
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{
|
|
return wpa_ether_send(wpa_s, dest, proto, buf, len);
|
|
}
|
|
|
|
|
|
static void _wpa_supplicant_cancel_auth_timeout(void *wpa_s)
|
|
{
|
|
wpa_supplicant_cancel_auth_timeout(wpa_s);
|
|
}
|
|
|
|
|
|
static void _wpa_supplicant_set_state(void *wpa_s, enum wpa_states state)
|
|
{
|
|
wpa_supplicant_set_state(wpa_s, state);
|
|
}
|
|
|
|
|
|
/**
|
|
* wpa_supplicant_get_state - Get the connection state
|
|
* @wpa_s: Pointer to wpa_supplicant data
|
|
* Returns: The current connection state (WPA_*)
|
|
*/
|
|
static enum wpa_states wpa_supplicant_get_state(struct wpa_supplicant *wpa_s)
|
|
{
|
|
return wpa_s->wpa_state;
|
|
}
|
|
|
|
|
|
static enum wpa_states _wpa_supplicant_get_state(void *wpa_s)
|
|
{
|
|
return wpa_supplicant_get_state(wpa_s);
|
|
}
|
|
|
|
|
|
static void _wpa_supplicant_deauthenticate(void *wpa_s, u16 reason_code)
|
|
{
|
|
wpa_supplicant_deauthenticate(wpa_s, reason_code);
|
|
/* Schedule a scan to make sure we continue looking for networks */
|
|
wpa_supplicant_req_scan(wpa_s, 5, 0);
|
|
}
|
|
|
|
|
|
static void _wpa_supplicant_reconnect(void *wpa_s)
|
|
{
|
|
wpa_supplicant_reconnect(wpa_s);
|
|
}
|
|
|
|
|
|
static void * wpa_supplicant_get_network_ctx(void *wpa_s)
|
|
{
|
|
return wpa_supplicant_get_ssid(wpa_s);
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_get_bssid(void *ctx, u8 *bssid)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
return wpa_drv_get_bssid(wpa_s, bssid);
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_set_key(void *_wpa_s, enum wpa_alg alg,
|
|
const u8 *addr, int key_idx, int set_tx,
|
|
const u8 *seq, size_t seq_len,
|
|
const u8 *key, size_t key_len,
|
|
enum key_flag key_flag)
|
|
{
|
|
struct wpa_supplicant *wpa_s = _wpa_s;
|
|
if (alg == WPA_ALG_TKIP && key_idx == 0 && key_len == 32) {
|
|
/* Clear the MIC error counter when setting a new PTK. */
|
|
wpa_s->mic_errors_seen = 0;
|
|
}
|
|
#ifdef CONFIG_TESTING_GET_GTK
|
|
if (key_idx > 0 && addr && is_broadcast_ether_addr(addr) &&
|
|
alg != WPA_ALG_NONE && key_len <= sizeof(wpa_s->last_gtk)) {
|
|
os_memcpy(wpa_s->last_gtk, key, key_len);
|
|
wpa_s->last_gtk_len = key_len;
|
|
}
|
|
#endif /* CONFIG_TESTING_GET_GTK */
|
|
#ifdef CONFIG_TESTING_OPTIONS
|
|
if (addr && !is_broadcast_ether_addr(addr) &&
|
|
!(key_flag & KEY_FLAG_MODIFY)) {
|
|
wpa_s->last_tk_alg = alg;
|
|
os_memcpy(wpa_s->last_tk_addr, addr, ETH_ALEN);
|
|
wpa_s->last_tk_key_idx = key_idx;
|
|
if (key)
|
|
os_memcpy(wpa_s->last_tk, key, key_len);
|
|
wpa_s->last_tk_len = key_len;
|
|
}
|
|
#endif /* CONFIG_TESTING_OPTIONS */
|
|
return wpa_drv_set_key(wpa_s, alg, addr, key_idx, set_tx, seq, seq_len,
|
|
key, key_len, key_flag);
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_mlme_setprotection(void *wpa_s, const u8 *addr,
|
|
int protection_type,
|
|
int key_type)
|
|
{
|
|
return wpa_drv_mlme_setprotection(wpa_s, addr, protection_type,
|
|
key_type);
|
|
}
|
|
|
|
|
|
static struct wpa_ssid * wpas_get_network_ctx(struct wpa_supplicant *wpa_s,
|
|
void *network_ctx)
|
|
{
|
|
struct wpa_ssid *ssid;
|
|
|
|
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
|
|
if (network_ctx == ssid)
|
|
return ssid;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_add_pmkid(void *_wpa_s, void *network_ctx,
|
|
const u8 *bssid, const u8 *pmkid,
|
|
const u8 *fils_cache_id,
|
|
const u8 *pmk, size_t pmk_len,
|
|
u32 pmk_lifetime, u8 pmk_reauth_threshold,
|
|
int akmp)
|
|
{
|
|
struct wpa_supplicant *wpa_s = _wpa_s;
|
|
struct wpa_ssid *ssid;
|
|
struct wpa_pmkid_params params;
|
|
|
|
os_memset(¶ms, 0, sizeof(params));
|
|
ssid = wpas_get_network_ctx(wpa_s, network_ctx);
|
|
if (ssid) {
|
|
wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_ADDED MACSTR " %d",
|
|
MAC2STR(bssid), ssid->id);
|
|
if ((akmp == WPA_KEY_MGMT_FT_IEEE8021X ||
|
|
akmp == WPA_KEY_MGMT_FT_IEEE8021X_SHA384) &&
|
|
!ssid->ft_eap_pmksa_caching) {
|
|
/* Since we will not be using PMKSA caching for FT-EAP
|
|
* within wpa_supplicant to avoid known interop issues
|
|
* with APs, do not add this PMKID to the driver either
|
|
* so that we won't be hitting those interop issues
|
|
* with driver-based RSNE generation. */
|
|
wpa_printf(MSG_DEBUG,
|
|
"FT: Do not add PMKID entry to the driver since FT-EAP PMKSA caching is not enabled in configuration");
|
|
return 0;
|
|
}
|
|
}
|
|
if (ssid && fils_cache_id) {
|
|
params.ssid = ssid->ssid;
|
|
params.ssid_len = ssid->ssid_len;
|
|
params.fils_cache_id = fils_cache_id;
|
|
} else {
|
|
params.bssid = bssid;
|
|
}
|
|
|
|
params.pmkid = pmkid;
|
|
params.pmk = pmk;
|
|
params.pmk_len = pmk_len;
|
|
params.pmk_lifetime = pmk_lifetime;
|
|
params.pmk_reauth_threshold = pmk_reauth_threshold;
|
|
|
|
return wpa_drv_add_pmkid(wpa_s, ¶ms);
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_remove_pmkid(void *_wpa_s, void *network_ctx,
|
|
const u8 *bssid, const u8 *pmkid,
|
|
const u8 *fils_cache_id)
|
|
{
|
|
struct wpa_supplicant *wpa_s = _wpa_s;
|
|
struct wpa_ssid *ssid;
|
|
struct wpa_pmkid_params params;
|
|
|
|
os_memset(¶ms, 0, sizeof(params));
|
|
ssid = wpas_get_network_ctx(wpa_s, network_ctx);
|
|
if (ssid)
|
|
wpa_msg(wpa_s, MSG_INFO, PMKSA_CACHE_REMOVED MACSTR " %d",
|
|
MAC2STR(bssid), ssid->id);
|
|
if (ssid && fils_cache_id) {
|
|
params.ssid = ssid->ssid;
|
|
params.ssid_len = ssid->ssid_len;
|
|
params.fils_cache_id = fils_cache_id;
|
|
} else {
|
|
params.bssid = bssid;
|
|
}
|
|
|
|
params.pmkid = pmkid;
|
|
|
|
return wpa_drv_remove_pmkid(wpa_s, ¶ms);
|
|
}
|
|
|
|
|
|
#ifdef CONFIG_IEEE80211R
|
|
static int wpa_supplicant_update_ft_ies(void *ctx, const u8 *md,
|
|
const u8 *ies, size_t ies_len)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME)
|
|
return sme_update_ft_ies(wpa_s, md, ies, ies_len);
|
|
return wpa_drv_update_ft_ies(wpa_s, md, ies, ies_len);
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_send_ft_action(void *ctx, u8 action,
|
|
const u8 *target_ap,
|
|
const u8 *ies, size_t ies_len)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
int ret;
|
|
u8 *data, *pos;
|
|
size_t data_len;
|
|
|
|
if (action != 1) {
|
|
wpa_printf(MSG_ERROR, "Unsupported send_ft_action action %d",
|
|
action);
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
* Action frame payload:
|
|
* Category[1] = 6 (Fast BSS Transition)
|
|
* Action[1] = 1 (Fast BSS Transition Request)
|
|
* STA Address
|
|
* Target AP Address
|
|
* FT IEs
|
|
*/
|
|
|
|
data_len = 2 + 2 * ETH_ALEN + ies_len;
|
|
data = os_malloc(data_len);
|
|
if (data == NULL)
|
|
return -1;
|
|
pos = data;
|
|
*pos++ = 0x06; /* FT Action category */
|
|
*pos++ = action;
|
|
os_memcpy(pos, wpa_s->own_addr, ETH_ALEN);
|
|
pos += ETH_ALEN;
|
|
os_memcpy(pos, target_ap, ETH_ALEN);
|
|
pos += ETH_ALEN;
|
|
os_memcpy(pos, ies, ies_len);
|
|
|
|
ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
|
|
wpa_s->bssid, wpa_s->own_addr, wpa_s->bssid,
|
|
data, data_len, 0);
|
|
os_free(data);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_mark_authenticated(void *ctx, const u8 *target_ap)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
struct wpa_driver_auth_params params;
|
|
struct wpa_bss *bss;
|
|
|
|
bss = wpa_bss_get_bssid(wpa_s, target_ap);
|
|
if (bss == NULL)
|
|
return -1;
|
|
|
|
os_memset(¶ms, 0, sizeof(params));
|
|
params.bssid = target_ap;
|
|
params.freq = bss->freq;
|
|
params.ssid = bss->ssid;
|
|
params.ssid_len = bss->ssid_len;
|
|
params.auth_alg = WPA_AUTH_ALG_FT;
|
|
params.local_state_change = 1;
|
|
return wpa_drv_authenticate(wpa_s, ¶ms);
|
|
}
|
|
#endif /* CONFIG_IEEE80211R */
|
|
|
|
|
|
#ifdef CONFIG_TDLS
|
|
|
|
static int wpa_supplicant_tdls_get_capa(void *ctx, int *tdls_supported,
|
|
int *tdls_ext_setup,
|
|
int *tdls_chan_switch)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
*tdls_supported = 0;
|
|
*tdls_ext_setup = 0;
|
|
*tdls_chan_switch = 0;
|
|
|
|
if (!wpa_s->drv_capa_known)
|
|
return -1;
|
|
|
|
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_SUPPORT)
|
|
*tdls_supported = 1;
|
|
|
|
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_EXTERNAL_SETUP)
|
|
*tdls_ext_setup = 1;
|
|
|
|
if (wpa_s->drv_flags & WPA_DRIVER_FLAGS_TDLS_CHANNEL_SWITCH)
|
|
*tdls_chan_switch = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_send_tdls_mgmt(void *ctx, const u8 *dst,
|
|
u8 action_code, u8 dialog_token,
|
|
u16 status_code, u32 peer_capab,
|
|
int initiator, const u8 *buf,
|
|
size_t len)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
return wpa_drv_send_tdls_mgmt(wpa_s, dst, action_code, dialog_token,
|
|
status_code, peer_capab, initiator, buf,
|
|
len);
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_tdls_oper(void *ctx, int oper, const u8 *peer)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
return wpa_drv_tdls_oper(wpa_s, oper, peer);
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_tdls_peer_addset(
|
|
void *ctx, const u8 *peer, int add, u16 aid, u16 capability,
|
|
const u8 *supp_rates, size_t supp_rates_len,
|
|
const struct ieee80211_ht_capabilities *ht_capab,
|
|
const struct ieee80211_vht_capabilities *vht_capab,
|
|
u8 qosinfo, int wmm, const u8 *ext_capab, size_t ext_capab_len,
|
|
const u8 *supp_channels, size_t supp_channels_len,
|
|
const u8 *supp_oper_classes, size_t supp_oper_classes_len)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
struct hostapd_sta_add_params params;
|
|
|
|
os_memset(¶ms, 0, sizeof(params));
|
|
|
|
params.addr = peer;
|
|
params.aid = aid;
|
|
params.capability = capability;
|
|
params.flags = WPA_STA_TDLS_PEER | WPA_STA_AUTHORIZED;
|
|
|
|
/*
|
|
* Don't rely only on qosinfo for WMM capability. It may be 0 even when
|
|
* present. Allow the WMM IE to also indicate QoS support.
|
|
*/
|
|
if (wmm || qosinfo)
|
|
params.flags |= WPA_STA_WMM;
|
|
|
|
params.ht_capabilities = ht_capab;
|
|
params.vht_capabilities = vht_capab;
|
|
params.qosinfo = qosinfo;
|
|
params.listen_interval = 0;
|
|
params.supp_rates = supp_rates;
|
|
params.supp_rates_len = supp_rates_len;
|
|
params.set = !add;
|
|
params.ext_capab = ext_capab;
|
|
params.ext_capab_len = ext_capab_len;
|
|
params.supp_channels = supp_channels;
|
|
params.supp_channels_len = supp_channels_len;
|
|
params.supp_oper_classes = supp_oper_classes;
|
|
params.supp_oper_classes_len = supp_oper_classes_len;
|
|
|
|
return wpa_drv_sta_add(wpa_s, ¶ms);
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_tdls_enable_channel_switch(
|
|
void *ctx, const u8 *addr, u8 oper_class,
|
|
const struct hostapd_freq_params *params)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
return wpa_drv_tdls_enable_channel_switch(wpa_s, addr, oper_class,
|
|
params);
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_tdls_disable_channel_switch(void *ctx, const u8 *addr)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
return wpa_drv_tdls_disable_channel_switch(wpa_s, addr);
|
|
}
|
|
|
|
#endif /* CONFIG_TDLS */
|
|
|
|
#endif /* CONFIG_NO_WPA */
|
|
|
|
|
|
enum wpa_ctrl_req_type wpa_supplicant_ctrl_req_from_string(const char *field)
|
|
{
|
|
if (os_strcmp(field, "IDENTITY") == 0)
|
|
return WPA_CTRL_REQ_EAP_IDENTITY;
|
|
else if (os_strcmp(field, "PASSWORD") == 0)
|
|
return WPA_CTRL_REQ_EAP_PASSWORD;
|
|
else if (os_strcmp(field, "NEW_PASSWORD") == 0)
|
|
return WPA_CTRL_REQ_EAP_NEW_PASSWORD;
|
|
else if (os_strcmp(field, "PIN") == 0)
|
|
return WPA_CTRL_REQ_EAP_PIN;
|
|
else if (os_strcmp(field, "OTP") == 0)
|
|
return WPA_CTRL_REQ_EAP_OTP;
|
|
else if (os_strcmp(field, "PASSPHRASE") == 0)
|
|
return WPA_CTRL_REQ_EAP_PASSPHRASE;
|
|
else if (os_strcmp(field, "SIM") == 0)
|
|
return WPA_CTRL_REQ_SIM;
|
|
else if (os_strcmp(field, "PSK_PASSPHRASE") == 0)
|
|
return WPA_CTRL_REQ_PSK_PASSPHRASE;
|
|
else if (os_strcmp(field, "EXT_CERT_CHECK") == 0)
|
|
return WPA_CTRL_REQ_EXT_CERT_CHECK;
|
|
return WPA_CTRL_REQ_UNKNOWN;
|
|
}
|
|
|
|
|
|
const char * wpa_supplicant_ctrl_req_to_string(enum wpa_ctrl_req_type field,
|
|
const char *default_txt,
|
|
const char **txt)
|
|
{
|
|
const char *ret = NULL;
|
|
|
|
*txt = default_txt;
|
|
|
|
switch (field) {
|
|
case WPA_CTRL_REQ_EAP_IDENTITY:
|
|
*txt = "Identity";
|
|
ret = "IDENTITY";
|
|
break;
|
|
case WPA_CTRL_REQ_EAP_PASSWORD:
|
|
*txt = "Password";
|
|
ret = "PASSWORD";
|
|
break;
|
|
case WPA_CTRL_REQ_EAP_NEW_PASSWORD:
|
|
*txt = "New Password";
|
|
ret = "NEW_PASSWORD";
|
|
break;
|
|
case WPA_CTRL_REQ_EAP_PIN:
|
|
*txt = "PIN";
|
|
ret = "PIN";
|
|
break;
|
|
case WPA_CTRL_REQ_EAP_OTP:
|
|
ret = "OTP";
|
|
break;
|
|
case WPA_CTRL_REQ_EAP_PASSPHRASE:
|
|
*txt = "Private key passphrase";
|
|
ret = "PASSPHRASE";
|
|
break;
|
|
case WPA_CTRL_REQ_SIM:
|
|
ret = "SIM";
|
|
break;
|
|
case WPA_CTRL_REQ_PSK_PASSPHRASE:
|
|
*txt = "PSK or passphrase";
|
|
ret = "PSK_PASSPHRASE";
|
|
break;
|
|
case WPA_CTRL_REQ_EXT_CERT_CHECK:
|
|
*txt = "External server certificate validation";
|
|
ret = "EXT_CERT_CHECK";
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* txt needs to be something */
|
|
if (*txt == NULL) {
|
|
wpa_printf(MSG_WARNING, "No message for request %d", field);
|
|
ret = NULL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
void wpas_send_ctrl_req(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
|
|
const char *field_name, const char *txt)
|
|
{
|
|
char *buf;
|
|
size_t buflen;
|
|
int len;
|
|
|
|
buflen = 100 + os_strlen(txt) + ssid->ssid_len;
|
|
buf = os_malloc(buflen);
|
|
if (buf == NULL)
|
|
return;
|
|
len = os_snprintf(buf, buflen, "%s-%d:%s needed for SSID ",
|
|
field_name, ssid->id, txt);
|
|
if (os_snprintf_error(buflen, len)) {
|
|
os_free(buf);
|
|
return;
|
|
}
|
|
if (ssid->ssid && buflen > len + ssid->ssid_len) {
|
|
os_memcpy(buf + len, ssid->ssid, ssid->ssid_len);
|
|
len += ssid->ssid_len;
|
|
buf[len] = '\0';
|
|
}
|
|
buf[buflen - 1] = '\0';
|
|
wpa_msg(wpa_s, MSG_INFO, WPA_CTRL_REQ "%s", buf);
|
|
os_free(buf);
|
|
}
|
|
|
|
|
|
#ifdef IEEE8021X_EAPOL
|
|
#if defined(CONFIG_CTRL_IFACE) || !defined(CONFIG_NO_STDOUT_DEBUG)
|
|
static void wpa_supplicant_eap_param_needed(void *ctx,
|
|
enum wpa_ctrl_req_type field,
|
|
const char *default_txt)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
struct wpa_ssid *ssid = wpa_s->current_ssid;
|
|
const char *field_name, *txt = NULL;
|
|
|
|
if (ssid == NULL)
|
|
return;
|
|
|
|
if (field == WPA_CTRL_REQ_EXT_CERT_CHECK)
|
|
ssid->eap.pending_ext_cert_check = PENDING_CHECK;
|
|
wpas_notify_network_request(wpa_s, ssid, field, default_txt);
|
|
|
|
field_name = wpa_supplicant_ctrl_req_to_string(field, default_txt,
|
|
&txt);
|
|
if (field_name == NULL) {
|
|
wpa_printf(MSG_WARNING, "Unhandled EAP param %d needed",
|
|
field);
|
|
return;
|
|
}
|
|
|
|
wpas_notify_eap_status(wpa_s, "eap parameter needed", field_name);
|
|
|
|
wpas_send_ctrl_req(wpa_s, ssid, field_name, txt);
|
|
}
|
|
#else /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
|
|
#define wpa_supplicant_eap_param_needed NULL
|
|
#endif /* CONFIG_CTRL_IFACE || !CONFIG_NO_STDOUT_DEBUG */
|
|
|
|
|
|
#ifdef CONFIG_EAP_PROXY
|
|
|
|
static void wpa_supplicant_eap_proxy_cb(void *ctx)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
size_t len;
|
|
|
|
wpa_s->mnc_len = eapol_sm_get_eap_proxy_imsi(wpa_s->eapol, -1,
|
|
wpa_s->imsi, &len);
|
|
if (wpa_s->mnc_len > 0) {
|
|
wpa_s->imsi[len] = '\0';
|
|
wpa_printf(MSG_DEBUG, "eap_proxy: IMSI %s (MNC length %d)",
|
|
wpa_s->imsi, wpa_s->mnc_len);
|
|
} else {
|
|
wpa_printf(MSG_DEBUG, "eap_proxy: IMSI not available");
|
|
}
|
|
}
|
|
|
|
|
|
static void wpa_sm_sim_state_error_handler(struct wpa_supplicant *wpa_s)
|
|
{
|
|
int i;
|
|
struct wpa_ssid *ssid;
|
|
const struct eap_method_type *eap_methods;
|
|
|
|
if (!wpa_s->conf)
|
|
return;
|
|
|
|
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
|
|
eap_methods = ssid->eap.eap_methods;
|
|
if (!eap_methods)
|
|
continue;
|
|
|
|
for (i = 0; eap_methods[i].method != EAP_TYPE_NONE; i++) {
|
|
if (eap_methods[i].vendor == EAP_VENDOR_IETF &&
|
|
(eap_methods[i].method == EAP_TYPE_SIM ||
|
|
eap_methods[i].method == EAP_TYPE_AKA ||
|
|
eap_methods[i].method == EAP_TYPE_AKA_PRIME)) {
|
|
wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
wpa_supplicant_eap_proxy_notify_sim_status(void *ctx,
|
|
enum eap_proxy_sim_state sim_state)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status %u", sim_state);
|
|
switch (sim_state) {
|
|
case SIM_STATE_ERROR:
|
|
wpa_sm_sim_state_error_handler(wpa_s);
|
|
break;
|
|
default:
|
|
wpa_printf(MSG_DEBUG, "eap_proxy: SIM card status unknown");
|
|
break;
|
|
}
|
|
}
|
|
|
|
#endif /* CONFIG_EAP_PROXY */
|
|
|
|
|
|
static void wpa_supplicant_port_cb(void *ctx, int authorized)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
#ifdef CONFIG_AP
|
|
if (wpa_s->ap_iface) {
|
|
wpa_printf(MSG_DEBUG, "AP mode active - skip EAPOL Supplicant "
|
|
"port status: %s",
|
|
authorized ? "Authorized" : "Unauthorized");
|
|
return;
|
|
}
|
|
#endif /* CONFIG_AP */
|
|
wpa_printf(MSG_DEBUG, "EAPOL: Supplicant port status: %s",
|
|
authorized ? "Authorized" : "Unauthorized");
|
|
wpa_drv_set_supp_port(wpa_s, authorized);
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_cert_cb(void *ctx, struct tls_cert_data *cert,
|
|
const char *cert_hash)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
wpas_notify_certification(wpa_s, cert, cert_hash);
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_status_cb(void *ctx, const char *status,
|
|
const char *parameter)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
wpas_notify_eap_status(wpa_s, status, parameter);
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_eap_error_cb(void *ctx, int error_code)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
wpas_notify_eap_error(wpa_s, error_code);
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_eap_auth_start_cb(void *ctx)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
if (!wpa_s->new_connection && wpa_s->deny_ptk0_rekey &&
|
|
!wpa_sm_ext_key_id_active(wpa_s->wpa)) {
|
|
wpa_msg(wpa_s, MSG_INFO,
|
|
"WPA: PTK0 rekey not allowed, reconnecting");
|
|
wpa_supplicant_reconnect(wpa_s);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_set_anon_id(void *ctx, const u8 *id, size_t len)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
char *str;
|
|
int res;
|
|
|
|
wpa_hexdump_ascii(MSG_DEBUG, "EAP method updated anonymous_identity",
|
|
id, len);
|
|
|
|
if (wpa_s->current_ssid == NULL)
|
|
return;
|
|
|
|
if (id == NULL) {
|
|
if (wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
|
|
"NULL", 0) < 0)
|
|
return;
|
|
} else {
|
|
str = os_malloc(len * 2 + 1);
|
|
if (str == NULL)
|
|
return;
|
|
wpa_snprintf_hex(str, len * 2 + 1, id, len);
|
|
res = wpa_config_set(wpa_s->current_ssid, "anonymous_identity",
|
|
str, 0);
|
|
os_free(str);
|
|
if (res < 0)
|
|
return;
|
|
}
|
|
|
|
if (wpa_s->conf->update_config) {
|
|
res = wpa_config_write(wpa_s->confname, wpa_s->conf);
|
|
if (res) {
|
|
wpa_printf(MSG_DEBUG, "Failed to update config after "
|
|
"anonymous_id update");
|
|
}
|
|
}
|
|
}
|
|
#endif /* IEEE8021X_EAPOL */
|
|
|
|
|
|
int wpa_supplicant_init_eapol(struct wpa_supplicant *wpa_s)
|
|
{
|
|
#ifdef IEEE8021X_EAPOL
|
|
struct eapol_ctx *ctx;
|
|
ctx = os_zalloc(sizeof(*ctx));
|
|
if (ctx == NULL) {
|
|
wpa_printf(MSG_ERROR, "Failed to allocate EAPOL context.");
|
|
return -1;
|
|
}
|
|
|
|
ctx->ctx = wpa_s;
|
|
ctx->msg_ctx = wpa_s;
|
|
ctx->eapol_send_ctx = wpa_s;
|
|
ctx->preauth = 0;
|
|
ctx->eapol_done_cb = wpa_supplicant_notify_eapol_done;
|
|
ctx->eapol_send = wpa_supplicant_eapol_send;
|
|
#ifdef CONFIG_WEP
|
|
ctx->set_wep_key = wpa_eapol_set_wep_key;
|
|
#endif /* CONFIG_WEP */
|
|
#ifndef CONFIG_NO_CONFIG_BLOBS
|
|
ctx->set_config_blob = wpa_supplicant_set_config_blob;
|
|
ctx->get_config_blob = wpa_supplicant_get_config_blob;
|
|
#endif /* CONFIG_NO_CONFIG_BLOBS */
|
|
ctx->aborted_cached = wpa_supplicant_aborted_cached;
|
|
ctx->opensc_engine_path = wpa_s->conf->opensc_engine_path;
|
|
ctx->pkcs11_engine_path = wpa_s->conf->pkcs11_engine_path;
|
|
ctx->pkcs11_module_path = wpa_s->conf->pkcs11_module_path;
|
|
ctx->openssl_ciphers = wpa_s->conf->openssl_ciphers;
|
|
ctx->wps = wpa_s->wps;
|
|
ctx->eap_param_needed = wpa_supplicant_eap_param_needed;
|
|
#ifdef CONFIG_EAP_PROXY
|
|
ctx->eap_proxy_cb = wpa_supplicant_eap_proxy_cb;
|
|
ctx->eap_proxy_notify_sim_status =
|
|
wpa_supplicant_eap_proxy_notify_sim_status;
|
|
#endif /* CONFIG_EAP_PROXY */
|
|
ctx->port_cb = wpa_supplicant_port_cb;
|
|
ctx->cb = wpa_supplicant_eapol_cb;
|
|
ctx->cert_cb = wpa_supplicant_cert_cb;
|
|
ctx->cert_in_cb = wpa_s->conf->cert_in_cb;
|
|
ctx->status_cb = wpa_supplicant_status_cb;
|
|
ctx->eap_error_cb = wpa_supplicant_eap_error_cb;
|
|
ctx->confirm_auth_cb = wpa_supplicant_eap_auth_start_cb;
|
|
ctx->set_anon_id = wpa_supplicant_set_anon_id;
|
|
ctx->cb_ctx = wpa_s;
|
|
wpa_s->eapol = eapol_sm_init(ctx);
|
|
if (wpa_s->eapol == NULL) {
|
|
os_free(ctx);
|
|
wpa_printf(MSG_ERROR, "Failed to initialize EAPOL state "
|
|
"machines.");
|
|
return -1;
|
|
}
|
|
#endif /* IEEE8021X_EAPOL */
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
#ifndef CONFIG_NO_WPA
|
|
|
|
static void wpa_supplicant_set_rekey_offload(void *ctx,
|
|
const u8 *kek, size_t kek_len,
|
|
const u8 *kck, size_t kck_len,
|
|
const u8 *replay_ctr)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
wpa_drv_set_rekey_info(wpa_s, kek, kek_len, kck, kck_len, replay_ctr);
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_key_mgmt_set_pmk(void *ctx, const u8 *pmk,
|
|
size_t pmk_len)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
if (wpa_s->conf->key_mgmt_offload &&
|
|
(wpa_s->drv_flags & WPA_DRIVER_FLAGS_KEY_MGMT_OFFLOAD))
|
|
return wpa_drv_set_key(wpa_s, 0, NULL, 0, 0,
|
|
NULL, 0, pmk, pmk_len, KEY_FLAG_PMK);
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_fils_hlp_rx(void *ctx, const u8 *dst, const u8 *src,
|
|
const u8 *pkt, size_t pkt_len)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
char *hex;
|
|
size_t hexlen;
|
|
|
|
hexlen = pkt_len * 2 + 1;
|
|
hex = os_malloc(hexlen);
|
|
if (!hex)
|
|
return;
|
|
wpa_snprintf_hex(hex, hexlen, pkt, pkt_len);
|
|
wpa_msg(wpa_s, MSG_INFO, FILS_HLP_RX "dst=" MACSTR " src=" MACSTR
|
|
" frame=%s", MAC2STR(dst), MAC2STR(src), hex);
|
|
os_free(hex);
|
|
}
|
|
|
|
|
|
static int wpa_supplicant_channel_info(void *_wpa_s,
|
|
struct wpa_channel_info *ci)
|
|
{
|
|
struct wpa_supplicant *wpa_s = _wpa_s;
|
|
|
|
return wpa_drv_channel_info(wpa_s, ci);
|
|
}
|
|
|
|
|
|
static void disable_wpa_wpa2(struct wpa_ssid *ssid)
|
|
{
|
|
ssid->proto &= ~WPA_PROTO_WPA;
|
|
ssid->proto |= WPA_PROTO_RSN;
|
|
ssid->key_mgmt &= ~(WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_FT_PSK |
|
|
WPA_KEY_MGMT_PSK_SHA256);
|
|
ssid->group_cipher &= ~WPA_CIPHER_TKIP;
|
|
if (!(ssid->group_cipher & (WPA_CIPHER_CCMP | WPA_CIPHER_GCMP |
|
|
WPA_CIPHER_GCMP_256 | WPA_CIPHER_CCMP_256)))
|
|
ssid->group_cipher |= WPA_CIPHER_CCMP;
|
|
ssid->ieee80211w = MGMT_FRAME_PROTECTION_REQUIRED;
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_transition_disable(void *_wpa_s, u8 bitmap)
|
|
{
|
|
struct wpa_supplicant *wpa_s = _wpa_s;
|
|
struct wpa_ssid *ssid;
|
|
int changed = 0;
|
|
|
|
wpa_msg(wpa_s, MSG_INFO, TRANSITION_DISABLE "%02x", bitmap);
|
|
|
|
ssid = wpa_s->current_ssid;
|
|
if (!ssid)
|
|
return;
|
|
|
|
#ifdef CONFIG_SAE
|
|
if ((bitmap & TRANSITION_DISABLE_WPA3_PERSONAL) &&
|
|
wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
|
|
(ssid->key_mgmt & (WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE)) &&
|
|
(ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
|
|
(ssid->group_cipher & WPA_CIPHER_TKIP))) {
|
|
wpa_printf(MSG_DEBUG,
|
|
"WPA3-Personal transition mode disabled based on AP notification");
|
|
disable_wpa_wpa2(ssid);
|
|
changed = 1;
|
|
}
|
|
|
|
if ((bitmap & TRANSITION_DISABLE_SAE_PK) &&
|
|
wpa_key_mgmt_sae(wpa_s->key_mgmt) &&
|
|
#ifdef CONFIG_SME
|
|
wpa_s->sme.sae.state == SAE_ACCEPTED &&
|
|
wpa_s->sme.sae.pk &&
|
|
#endif /* CONFIG_SME */
|
|
(ssid->key_mgmt & (WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE)) &&
|
|
(ssid->sae_pk != SAE_PK_MODE_ONLY ||
|
|
ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
|
|
(ssid->group_cipher & WPA_CIPHER_TKIP))) {
|
|
wpa_printf(MSG_DEBUG,
|
|
"SAE-PK: SAE authentication without PK disabled based on AP notification");
|
|
disable_wpa_wpa2(ssid);
|
|
ssid->sae_pk = SAE_PK_MODE_ONLY;
|
|
changed = 1;
|
|
}
|
|
#endif /* CONFIG_SAE */
|
|
|
|
if ((bitmap & TRANSITION_DISABLE_WPA3_ENTERPRISE) &&
|
|
wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) &&
|
|
(ssid->key_mgmt & (WPA_KEY_MGMT_IEEE8021X |
|
|
WPA_KEY_MGMT_FT_IEEE8021X |
|
|
WPA_KEY_MGMT_IEEE8021X_SHA256)) &&
|
|
(ssid->ieee80211w != MGMT_FRAME_PROTECTION_REQUIRED ||
|
|
(ssid->group_cipher & WPA_CIPHER_TKIP))) {
|
|
disable_wpa_wpa2(ssid);
|
|
changed = 1;
|
|
}
|
|
|
|
if ((bitmap & TRANSITION_DISABLE_ENHANCED_OPEN) &&
|
|
wpa_s->key_mgmt == WPA_KEY_MGMT_OWE &&
|
|
(ssid->key_mgmt & WPA_KEY_MGMT_OWE) &&
|
|
!ssid->owe_only) {
|
|
ssid->owe_only = 1;
|
|
changed = 1;
|
|
}
|
|
|
|
if (!changed)
|
|
return;
|
|
|
|
#ifndef CONFIG_NO_CONFIG_WRITE
|
|
if (wpa_s->conf->update_config &&
|
|
wpa_config_write(wpa_s->confname, wpa_s->conf))
|
|
wpa_printf(MSG_DEBUG, "Failed to update configuration");
|
|
#endif /* CONFIG_NO_CONFIG_WRITE */
|
|
}
|
|
|
|
|
|
static void wpa_supplicant_store_ptk(void *ctx, u8 *addr, int cipher,
|
|
u32 life_time, const struct wpa_ptk *ptk)
|
|
{
|
|
struct wpa_supplicant *wpa_s = ctx;
|
|
|
|
ptksa_cache_add(wpa_s->ptksa, addr, cipher, life_time, ptk);
|
|
}
|
|
|
|
#endif /* CONFIG_NO_WPA */
|
|
|
|
|
|
int wpa_supplicant_init_wpa(struct wpa_supplicant *wpa_s)
|
|
{
|
|
#ifndef CONFIG_NO_WPA
|
|
struct wpa_sm_ctx *ctx;
|
|
|
|
wpa_s->ptksa = ptksa_cache_init();
|
|
if (!wpa_s->ptksa) {
|
|
wpa_printf(MSG_ERROR, "Failed to allocate PTKSA");
|
|
return -1;
|
|
}
|
|
|
|
ctx = os_zalloc(sizeof(*ctx));
|
|
if (ctx == NULL) {
|
|
wpa_printf(MSG_ERROR, "Failed to allocate WPA context.");
|
|
|
|
ptksa_cache_deinit(wpa_s->ptksa);
|
|
wpa_s->ptksa = NULL;
|
|
|
|
return -1;
|
|
}
|
|
|
|
ctx->ctx = wpa_s;
|
|
ctx->msg_ctx = wpa_s;
|
|
ctx->set_state = _wpa_supplicant_set_state;
|
|
ctx->get_state = _wpa_supplicant_get_state;
|
|
ctx->deauthenticate = _wpa_supplicant_deauthenticate;
|
|
ctx->reconnect = _wpa_supplicant_reconnect;
|
|
ctx->set_key = wpa_supplicant_set_key;
|
|
ctx->get_network_ctx = wpa_supplicant_get_network_ctx;
|
|
ctx->get_bssid = wpa_supplicant_get_bssid;
|
|
ctx->ether_send = _wpa_ether_send;
|
|
ctx->get_beacon_ie = wpa_supplicant_get_beacon_ie;
|
|
ctx->alloc_eapol = _wpa_alloc_eapol;
|
|
ctx->cancel_auth_timeout = _wpa_supplicant_cancel_auth_timeout;
|
|
ctx->add_pmkid = wpa_supplicant_add_pmkid;
|
|
ctx->remove_pmkid = wpa_supplicant_remove_pmkid;
|
|
#ifndef CONFIG_NO_CONFIG_BLOBS
|
|
ctx->set_config_blob = wpa_supplicant_set_config_blob;
|
|
ctx->get_config_blob = wpa_supplicant_get_config_blob;
|
|
#endif /* CONFIG_NO_CONFIG_BLOBS */
|
|
ctx->mlme_setprotection = wpa_supplicant_mlme_setprotection;
|
|
#ifdef CONFIG_IEEE80211R
|
|
ctx->update_ft_ies = wpa_supplicant_update_ft_ies;
|
|
ctx->send_ft_action = wpa_supplicant_send_ft_action;
|
|
ctx->mark_authenticated = wpa_supplicant_mark_authenticated;
|
|
#endif /* CONFIG_IEEE80211R */
|
|
#ifdef CONFIG_TDLS
|
|
ctx->tdls_get_capa = wpa_supplicant_tdls_get_capa;
|
|
ctx->send_tdls_mgmt = wpa_supplicant_send_tdls_mgmt;
|
|
ctx->tdls_oper = wpa_supplicant_tdls_oper;
|
|
ctx->tdls_peer_addset = wpa_supplicant_tdls_peer_addset;
|
|
ctx->tdls_enable_channel_switch =
|
|
wpa_supplicant_tdls_enable_channel_switch;
|
|
ctx->tdls_disable_channel_switch =
|
|
wpa_supplicant_tdls_disable_channel_switch;
|
|
#endif /* CONFIG_TDLS */
|
|
ctx->set_rekey_offload = wpa_supplicant_set_rekey_offload;
|
|
ctx->key_mgmt_set_pmk = wpa_supplicant_key_mgmt_set_pmk;
|
|
ctx->fils_hlp_rx = wpa_supplicant_fils_hlp_rx;
|
|
ctx->channel_info = wpa_supplicant_channel_info;
|
|
ctx->transition_disable = wpa_supplicant_transition_disable;
|
|
ctx->store_ptk = wpa_supplicant_store_ptk;
|
|
|
|
wpa_s->wpa = wpa_sm_init(ctx);
|
|
if (wpa_s->wpa == NULL) {
|
|
wpa_printf(MSG_ERROR,
|
|
"Failed to initialize WPA state machine");
|
|
os_free(ctx);
|
|
ptksa_cache_deinit(wpa_s->ptksa);
|
|
wpa_s->ptksa = NULL;
|
|
return -1;
|
|
}
|
|
#endif /* CONFIG_NO_WPA */
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
void wpa_supplicant_rsn_supp_set_config(struct wpa_supplicant *wpa_s,
|
|
struct wpa_ssid *ssid)
|
|
{
|
|
struct rsn_supp_config conf;
|
|
if (ssid) {
|
|
os_memset(&conf, 0, sizeof(conf));
|
|
conf.network_ctx = ssid;
|
|
conf.allowed_pairwise_cipher = ssid->pairwise_cipher;
|
|
#ifdef IEEE8021X_EAPOL
|
|
conf.proactive_key_caching = ssid->proactive_key_caching < 0 ?
|
|
wpa_s->conf->okc : ssid->proactive_key_caching;
|
|
conf.eap_workaround = ssid->eap_workaround;
|
|
conf.eap_conf_ctx = &ssid->eap;
|
|
#endif /* IEEE8021X_EAPOL */
|
|
conf.ssid = ssid->ssid;
|
|
conf.ssid_len = ssid->ssid_len;
|
|
conf.wpa_ptk_rekey = ssid->wpa_ptk_rekey;
|
|
conf.wpa_deny_ptk0_rekey = ssid->wpa_deny_ptk0_rekey;
|
|
conf.owe_ptk_workaround = ssid->owe_ptk_workaround;
|
|
#ifdef CONFIG_P2P
|
|
if (ssid->p2p_group && wpa_s->current_bss &&
|
|
!wpa_s->p2p_disable_ip_addr_req) {
|
|
struct wpabuf *p2p;
|
|
p2p = wpa_bss_get_vendor_ie_multi(wpa_s->current_bss,
|
|
P2P_IE_VENDOR_TYPE);
|
|
if (p2p) {
|
|
u8 group_capab;
|
|
group_capab = p2p_get_group_capab(p2p);
|
|
if (group_capab &
|
|
P2P_GROUP_CAPAB_IP_ADDR_ALLOCATION)
|
|
conf.p2p = 1;
|
|
wpabuf_free(p2p);
|
|
}
|
|
}
|
|
#endif /* CONFIG_P2P */
|
|
conf.wpa_rsc_relaxation = wpa_s->conf->wpa_rsc_relaxation;
|
|
#ifdef CONFIG_FILS
|
|
if (wpa_key_mgmt_fils(wpa_s->key_mgmt))
|
|
conf.fils_cache_id =
|
|
wpa_bss_get_fils_cache_id(wpa_s->current_bss);
|
|
#endif /* CONFIG_FILS */
|
|
conf.beacon_prot = ssid->beacon_prot;
|
|
}
|
|
#ifdef CONFIG_PASN
|
|
#ifdef CONFIG_TESTING_OPTIONS
|
|
conf.force_kdk_derivation = wpa_s->conf->force_kdk_derivation;
|
|
#endif /* CONFIG_TESTING_OPTIONS */
|
|
#endif /* CONFIG_PASN*/
|
|
wpa_sm_set_config(wpa_s->wpa, ssid ? &conf : NULL);
|
|
}
|