232 lines
7.6 KiB
C
232 lines
7.6 KiB
C
/*
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* STA list
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* Copyright (c) 2010-2015, 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 "utils/includes.h"
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#include "utils/common.h"
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#include "common/defs.h"
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#include "common/ieee802_11_defs.h"
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#include "common/ieee802_11_common.h"
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#include "wlantest.h"
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struct wlantest_sta * sta_find(struct wlantest_bss *bss, const u8 *addr)
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{
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struct wlantest_sta *sta;
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dl_list_for_each(sta, &bss->sta, struct wlantest_sta, list) {
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if (os_memcmp(sta->addr, addr, ETH_ALEN) == 0)
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return sta;
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}
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return NULL;
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}
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struct wlantest_sta * sta_get(struct wlantest_bss *bss, const u8 *addr)
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{
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struct wlantest_sta *sta;
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if (addr[0] & 0x01)
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return NULL; /* Skip group addressed frames */
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sta = sta_find(bss, addr);
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if (sta)
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return sta;
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sta = os_zalloc(sizeof(*sta));
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if (sta == NULL)
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return NULL;
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os_memset(sta->seq_ctrl_to_sta, 0xff, sizeof(sta->seq_ctrl_to_sta));
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os_memset(sta->seq_ctrl_to_ap, 0xff, sizeof(sta->seq_ctrl_to_ap));
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sta->bss = bss;
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os_memcpy(sta->addr, addr, ETH_ALEN);
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dl_list_add(&bss->sta, &sta->list);
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wpa_printf(MSG_DEBUG, "Discovered new STA " MACSTR " in BSS " MACSTR,
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MAC2STR(sta->addr), MAC2STR(bss->bssid));
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return sta;
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}
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void sta_deinit(struct wlantest_sta *sta)
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{
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dl_list_del(&sta->list);
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os_free(sta->assocreq_ies);
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os_free(sta);
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}
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void sta_update_assoc(struct wlantest_sta *sta, struct ieee802_11_elems *elems)
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{
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struct wpa_ie_data data;
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struct wlantest_bss *bss = sta->bss;
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if (elems->wpa_ie && !bss->wpaie[0] &&
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(bss->beacon_seen || bss->proberesp_seen)) {
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wpa_printf(MSG_INFO, "WPA IE included in Association Request "
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"frame from " MACSTR " even though BSS does not "
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"use WPA - ignore IE",
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MAC2STR(sta->addr));
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elems->wpa_ie = NULL;
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}
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if (elems->rsn_ie && !bss->rsnie[0] &&
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(bss->beacon_seen || bss->proberesp_seen)) {
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wpa_printf(MSG_INFO, "RSN IE included in Association Request "
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"frame from " MACSTR " even though BSS does not "
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"use RSN - ignore IE",
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MAC2STR(sta->addr));
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elems->rsn_ie = NULL;
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}
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if (elems->osen && !bss->osenie[0] &&
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(bss->beacon_seen || bss->proberesp_seen)) {
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wpa_printf(MSG_INFO, "OSEN IE included in Association Request "
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"frame from " MACSTR " even though BSS does not "
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"use OSEN - ignore IE",
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MAC2STR(sta->addr));
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elems->osen = NULL;
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}
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if (elems->wpa_ie && elems->rsn_ie) {
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wpa_printf(MSG_INFO, "Both WPA IE and RSN IE included in "
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"Association Request frame from " MACSTR,
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MAC2STR(sta->addr));
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}
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if (elems->rsn_ie) {
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wpa_hexdump(MSG_DEBUG, "RSN IE", elems->rsn_ie - 2,
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elems->rsn_ie_len + 2);
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os_memcpy(sta->rsnie, elems->rsn_ie - 2,
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elems->rsn_ie_len + 2);
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if (wpa_parse_wpa_ie_rsn(sta->rsnie, 2 + sta->rsnie[1], &data)
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< 0) {
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wpa_printf(MSG_INFO, "Failed to parse RSN IE from "
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MACSTR, MAC2STR(sta->addr));
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}
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} else if (elems->wpa_ie) {
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wpa_hexdump(MSG_DEBUG, "WPA IE", elems->wpa_ie - 2,
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elems->wpa_ie_len + 2);
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os_memcpy(sta->rsnie, elems->wpa_ie - 2,
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elems->wpa_ie_len + 2);
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if (wpa_parse_wpa_ie_wpa(sta->rsnie, 2 + sta->rsnie[1], &data)
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< 0) {
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wpa_printf(MSG_INFO, "Failed to parse WPA IE from "
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MACSTR, MAC2STR(sta->addr));
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}
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} else if (elems->osen) {
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wpa_hexdump(MSG_DEBUG, "OSEN IE", elems->osen - 2,
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elems->osen_len + 2);
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os_memcpy(sta->osenie, elems->osen - 2, elems->osen_len + 2);
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sta->proto = WPA_PROTO_OSEN;
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sta->pairwise_cipher = WPA_CIPHER_CCMP;
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sta->key_mgmt = WPA_KEY_MGMT_OSEN;
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sta->rsn_capab = 0;
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goto skip_rsn_wpa;
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} else {
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sta->rsnie[0] = 0;
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sta->proto = 0;
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sta->pairwise_cipher = 0;
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sta->key_mgmt = 0;
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sta->rsn_capab = 0;
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if (sta->assocreq_capab_info & WLAN_CAPABILITY_PRIVACY)
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sta->pairwise_cipher = WPA_CIPHER_WEP40;
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goto skip_rsn_wpa;
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}
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sta->proto = data.proto;
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sta->pairwise_cipher = data.pairwise_cipher;
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sta->key_mgmt = data.key_mgmt;
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sta->rsn_capab = data.capabilities;
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if (bss->proto && (sta->proto & bss->proto) == 0) {
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wpa_printf(MSG_INFO, "Mismatch in WPA/WPA2 proto: STA "
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MACSTR " 0x%x BSS " MACSTR " 0x%x",
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MAC2STR(sta->addr), sta->proto,
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MAC2STR(bss->bssid), bss->proto);
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}
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if (bss->pairwise_cipher &&
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(sta->pairwise_cipher & bss->pairwise_cipher) == 0) {
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wpa_printf(MSG_INFO, "Mismatch in pairwise cipher: STA "
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MACSTR " 0x%x BSS " MACSTR " 0x%x",
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MAC2STR(sta->addr), sta->pairwise_cipher,
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MAC2STR(bss->bssid), bss->pairwise_cipher);
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}
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if (sta->proto && data.group_cipher != bss->group_cipher &&
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bss->ies_set) {
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wpa_printf(MSG_INFO, "Mismatch in group cipher: STA "
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MACSTR " 0x%x != BSS " MACSTR " 0x%x",
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MAC2STR(sta->addr), data.group_cipher,
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MAC2STR(bss->bssid), bss->group_cipher);
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}
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if ((bss->rsn_capab & WPA_CAPABILITY_MFPR) &&
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!(sta->rsn_capab & WPA_CAPABILITY_MFPC)) {
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wpa_printf(MSG_INFO, "STA " MACSTR " tries to associate "
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"without MFP to BSS " MACSTR " that advertises "
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"MFPR", MAC2STR(sta->addr), MAC2STR(bss->bssid));
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}
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if ((sta->rsn_capab & WPA_CAPABILITY_OCVC) &&
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!(sta->rsn_capab & WPA_CAPABILITY_MFPC)) {
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wpa_printf(MSG_INFO, "STA " MACSTR " tries to associate "
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"without MFP to BSS " MACSTR " while supporting "
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"OCV", MAC2STR(sta->addr), MAC2STR(bss->bssid));
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}
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skip_rsn_wpa:
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wpa_printf(MSG_INFO, "STA " MACSTR
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" proto=%s%s%s%s"
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"pairwise=%s%s%s%s%s%s%s"
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"key_mgmt=%s%s%s%s%s%s%s%s%s%s%s%s%s%s"
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"rsn_capab=%s%s%s%s%s%s%s%s%s%s",
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MAC2STR(sta->addr),
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sta->proto == 0 ? "OPEN " : "",
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sta->proto & WPA_PROTO_WPA ? "WPA " : "",
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sta->proto & WPA_PROTO_RSN ? "WPA2 " : "",
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sta->proto & WPA_PROTO_OSEN ? "OSEN " : "",
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sta->pairwise_cipher == 0 ? "N/A " : "",
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sta->pairwise_cipher & WPA_CIPHER_NONE ? "NONE " : "",
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sta->pairwise_cipher & WPA_CIPHER_TKIP ? "TKIP " : "",
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sta->pairwise_cipher & WPA_CIPHER_CCMP ? "CCMP " : "",
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bss->pairwise_cipher & WPA_CIPHER_CCMP_256 ? "CCMP-256 " :
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"",
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bss->pairwise_cipher & WPA_CIPHER_GCMP ? "GCMP " : "",
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bss->pairwise_cipher & WPA_CIPHER_GCMP_256 ? "GCMP-256 " :
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"",
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sta->key_mgmt == 0 ? "N/A " : "",
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sta->key_mgmt & WPA_KEY_MGMT_IEEE8021X ? "EAP " : "",
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sta->key_mgmt & WPA_KEY_MGMT_PSK ? "PSK " : "",
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sta->key_mgmt & WPA_KEY_MGMT_WPA_NONE ? "WPA-NONE " : "",
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sta->key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X ? "FT-EAP " : "",
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sta->key_mgmt & WPA_KEY_MGMT_FT_PSK ? "FT-PSK " : "",
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sta->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256 ?
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"EAP-SHA256 " : "",
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sta->key_mgmt & WPA_KEY_MGMT_PSK_SHA256 ?
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"PSK-SHA256 " : "",
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sta->key_mgmt & WPA_KEY_MGMT_OWE ? "OWE " : "",
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sta->key_mgmt & WPA_KEY_MGMT_PASN ? "PASN " : "",
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sta->key_mgmt & WPA_KEY_MGMT_OSEN ? "OSEN " : "",
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sta->key_mgmt & WPA_KEY_MGMT_DPP ? "DPP " : "",
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sta->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B ?
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"EAP-SUITE-B " : "",
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sta->key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192 ?
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"EAP-SUITE-B-192 " : "",
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sta->rsn_capab & WPA_CAPABILITY_PREAUTH ? "PREAUTH " : "",
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sta->rsn_capab & WPA_CAPABILITY_NO_PAIRWISE ?
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"NO_PAIRWISE " : "",
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sta->rsn_capab & WPA_CAPABILITY_MFPR ? "MFPR " : "",
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sta->rsn_capab & WPA_CAPABILITY_MFPC ? "MFPC " : "",
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sta->rsn_capab & WPA_CAPABILITY_PEERKEY_ENABLED ?
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"PEERKEY " : "",
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sta->rsn_capab & WPA_CAPABILITY_SPP_A_MSDU_CAPABLE ?
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"SPP-A-MSDU-CAPAB " : "",
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sta->rsn_capab & WPA_CAPABILITY_SPP_A_MSDU_REQUIRED ?
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"SPP-A-MSDU-REQUIRED " : "",
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sta->rsn_capab & WPA_CAPABILITY_PBAC ? "PBAC " : "",
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sta->rsn_capab & WPA_CAPABILITY_OCVC ? "OCVC " : "",
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sta->rsn_capab & WPA_CAPABILITY_EXT_KEY_ID_FOR_UNICAST ?
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"ExtKeyID " : "");
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}
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