mirror of
https://github.com/vanhoefm/fragattacks.git
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3eafc494d8
ht_supported() was used but not defined in such a case. Signed-off-by: Jouni Malinen <j@w1.fi>
144 lines
2.8 KiB
C
144 lines
2.8 KiB
C
/*
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* Common driver-related functions
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* Copyright (c) 2003-2011, 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 "utils/common.h"
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#include "driver.h"
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void wpa_scan_results_free(struct wpa_scan_results *res)
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{
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size_t i;
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if (res == NULL)
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return;
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for (i = 0; i < res->num; i++)
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os_free(res->res[i]);
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os_free(res->res);
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os_free(res);
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}
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const char * event_to_string(enum wpa_event_type event)
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{
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#define E2S(n) case EVENT_ ## n: return #n
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switch (event) {
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E2S(ASSOC);
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E2S(DISASSOC);
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E2S(MICHAEL_MIC_FAILURE);
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E2S(SCAN_RESULTS);
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E2S(ASSOCINFO);
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E2S(INTERFACE_STATUS);
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E2S(PMKID_CANDIDATE);
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E2S(STKSTART);
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E2S(TDLS);
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E2S(FT_RESPONSE);
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E2S(IBSS_RSN_START);
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E2S(AUTH);
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E2S(DEAUTH);
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E2S(ASSOC_REJECT);
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E2S(AUTH_TIMED_OUT);
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E2S(ASSOC_TIMED_OUT);
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E2S(FT_RRB_RX);
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E2S(WPS_BUTTON_PUSHED);
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E2S(TX_STATUS);
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E2S(RX_FROM_UNKNOWN);
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E2S(RX_MGMT);
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E2S(REMAIN_ON_CHANNEL);
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E2S(CANCEL_REMAIN_ON_CHANNEL);
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E2S(MLME_RX);
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E2S(RX_PROBE_REQ);
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E2S(NEW_STA);
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E2S(EAPOL_RX);
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E2S(SIGNAL_CHANGE);
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E2S(INTERFACE_ENABLED);
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E2S(INTERFACE_DISABLED);
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E2S(CHANNEL_LIST_CHANGED);
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E2S(INTERFACE_UNAVAILABLE);
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E2S(BEST_CHANNEL);
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E2S(UNPROT_DEAUTH);
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E2S(UNPROT_DISASSOC);
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E2S(STATION_LOW_ACK);
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E2S(IBSS_PEER_LOST);
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E2S(DRIVER_GTK_REKEY);
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E2S(SCHED_SCAN_STOPPED);
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E2S(DRIVER_CLIENT_POLL_OK);
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E2S(EAPOL_TX_STATUS);
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E2S(CH_SWITCH);
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E2S(WNM);
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E2S(CONNECT_FAILED_REASON);
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E2S(DFS_RADAR_DETECTED);
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E2S(DFS_CAC_FINISHED);
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E2S(DFS_CAC_ABORTED);
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E2S(DFS_NOP_FINISHED);
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E2S(SURVEY);
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E2S(SCAN_STARTED);
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E2S(AVOID_FREQUENCIES);
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}
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return "UNKNOWN";
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#undef E2S
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}
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const char * channel_width_to_string(enum chan_width width)
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{
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switch (width) {
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case CHAN_WIDTH_20_NOHT:
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return "20 MHz (no HT)";
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case CHAN_WIDTH_20:
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return "20 MHz";
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case CHAN_WIDTH_40:
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return "40 MHz";
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case CHAN_WIDTH_80:
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return "80 MHz";
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case CHAN_WIDTH_80P80:
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return "80+80 MHz";
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case CHAN_WIDTH_160:
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return "160 MHz";
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default:
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return "unknown";
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}
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}
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int ht_supported(const struct hostapd_hw_modes *mode)
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{
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if (!(mode->flags & HOSTAPD_MODE_FLAG_HT_INFO_KNOWN)) {
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/*
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* The driver did not indicate whether it supports HT. Assume
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* it does to avoid connection issues.
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*/
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return 1;
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}
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/*
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* IEEE Std 802.11n-2009 20.1.1:
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* An HT non-AP STA shall support all EQM rates for one spatial stream.
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*/
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return mode->mcs_set[0] == 0xff;
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}
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int vht_supported(const struct hostapd_hw_modes *mode)
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{
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if (!(mode->flags & HOSTAPD_MODE_FLAG_VHT_INFO_KNOWN)) {
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/*
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* The driver did not indicate whether it supports VHT. Assume
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* it does to avoid connection issues.
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*/
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return 1;
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}
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/*
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* A VHT non-AP STA shall support MCS 0-7 for one spatial stream.
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* TODO: Verify if this complies with the standard
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*/
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return (mode->vht_mcs_set[0] & 0x3) != 3;
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}
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