9ec363a25d
A lot of internally used crypto headers are publicly includeable in user projects. This leads to bug reports when these headers are incorrectly used or the API's are not used as intended. Move all crypto headers into private crypto src folder, also move crypto_ops into Supplicant to remove dependecy on crypto headers. Closes IDF-476
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/*
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* hostapd / IEEE 802.1X-2004 Authenticator
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* Copyright (c) 2002-2012, 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 "utils/includes.h"
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#include "utils/common.h"
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#include "crypto/crypto.h"
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#include "common/ieee802_11_defs.h"
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#include "hostapd.h"
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#include "ap/sta_info.h"
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#include "ap/wpa_auth.h"
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#include "ap/ap_config.h"
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#include "ap/ieee802_1x.h"
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#include "utils/wpa_debug.h"
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/**
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* ieee802_1x_receive - Process the EAPOL frames from the Supplicant
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* @hapd: hostapd BSS data
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* @sa: Source address (sender of the EAPOL frame)
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* @buf: EAPOL frame
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* @len: Length of buf in octets
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*
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* This function is called for each incoming EAPOL frame from the interface
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*/
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void ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf,
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size_t len)
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{
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struct sta_info *sta;
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struct ieee802_1x_hdr *hdr;
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struct ieee802_1x_eapol_key *key;
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u16 datalen;
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wpa_printf( MSG_DEBUG, "IEEE 802.1X: %lu bytes from " MACSTR,
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(unsigned long) len, MAC2STR(sa));
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sta = ap_get_sta(hapd, sa);
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if (!sta || !(sta->flags & (WLAN_STA_ASSOC | WLAN_STA_PREAUTH))) {
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wpa_printf( MSG_DEBUG, "IEEE 802.1X data frame from not "
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"associated/Pre-authenticating STA");
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return;
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}
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if (len < sizeof(*hdr)) {
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wpa_printf( MSG_DEBUG, " too short IEEE 802.1X packet\n");
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return;
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}
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hdr = (struct ieee802_1x_hdr *) buf;
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datalen = be_to_host16(hdr->length);
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wpa_printf( MSG_DEBUG, " IEEE 802.1X: version=%d type=%d length=%d",
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hdr->version, hdr->type, datalen);
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if (len - sizeof(*hdr) < datalen) {
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wpa_printf( MSG_DEBUG, " frame too short for this IEEE 802.1X packet\n");
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return;
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}
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if (len - sizeof(*hdr) > datalen) {
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wpa_printf( MSG_DEBUG, " ignoring %lu extra octets after "
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"IEEE 802.1X packet",
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(unsigned long) len - sizeof(*hdr) - datalen);
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}
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key = (struct ieee802_1x_eapol_key *) (hdr + 1);
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if (datalen >= sizeof(struct ieee802_1x_eapol_key) &&
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hdr->type == IEEE802_1X_TYPE_EAPOL_KEY &&
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(key->type == EAPOL_KEY_TYPE_WPA ||
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key->type == EAPOL_KEY_TYPE_RSN)) {
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wpa_receive(hapd->wpa_auth, sta->wpa_sm, (u8 *) hdr,
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sizeof(*hdr) + datalen);
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return;
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}
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}
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