mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-25 00:38:24 -05:00
TDLS: Clean up and fix Key Lifetime processing
This adds code for validating that the same Key Lifetime is used throughout TPK handshake and enables TPK lifetime expiration and renewal/teardown. These part seem to be working, but the actual handling of TDLS Setup Confirm and renewal are not fully functional yet.
This commit is contained in:
Jouni Malinen
Jouni Malinen
parent
6b192bc346
commit
9fe6e4b4db
@ -37,6 +37,7 @@
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unsigned int tdls_testing = 0;
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#endif /* CONFIG_TDLS_TESTING */
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#define TPK_LIFETIME 43200 /* 12 hours */
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#define SMK_RETRY_COUNT 3
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#define SMK_TIMEOUT 5000 /* in milliseconds */
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@ -80,6 +81,7 @@ struct wpa_tdls_frame {
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static u8 * wpa_add_tdls_timeoutie(u8 *pos, u8 *ie, size_t ie_len, u32 tsecs);
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static void wpa_tdls_smkretry_timeout(void *eloop_ctx, void *timeout_ctx);
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static void wpa_tdls_peer_free(struct wpa_sm *sm, struct wpa_tdls_peer *peer);
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#define TDLS_MAX_IE_LEN 80
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@ -94,7 +96,6 @@ struct wpa_tdls_peer {
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u8 rsnie_p[TDLS_MAX_IE_LEN]; /* Peer RSN IE */
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size_t rsnie_p_len;
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u32 lifetime;
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os_time_t expiration;
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int cipher; /* Selected cipher (WPA_CIPHER_*) */
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#define TDLS_LNKID_LEN 20 /* T+L+V(18-octet) */
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@ -261,33 +262,6 @@ static void tdls_clear_peer(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
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}
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static void wpa_supplicant_smk_timeout(void *eloop_ctx, void *timeout_ctx)
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{
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struct wpa_sm *sm = eloop_ctx;
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struct wpa_tdls_peer *peer = timeout_ctx;
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/* On SMK timer expiry initiate SMK followed by STK */
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if (peer->initiator)
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wpa_tdls_start(sm, peer->addr);
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else {
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/*TODO::: to send Request for new SMK/STK handshake */
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;
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}
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}
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static void wpa_supplicant_peer_free(struct wpa_sm *sm,
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struct wpa_tdls_peer *peer)
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{
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if (peer->lifetime) {
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eloop_cancel_timeout(wpa_supplicant_smk_timeout, sm, peer);
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peer->lifetime = 0;
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}
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/* need to clear Peerkey SM */
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tdls_clear_peer(sm, peer);
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//os_free(peer);
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}
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static void wpa_tdls_smkretry_timeout(void *eloop_ctx, void *timeout_ctx)
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{
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@ -334,7 +308,7 @@ static void wpa_tdls_smkretry_timeout(void *eloop_ctx, void *timeout_ctx)
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eloop_cancel_timeout(wpa_tdls_smkretry_timeout, sm, peer);
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/* clear the Peerkey statemachine */
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wpa_supplicant_peer_free(sm, peer);
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wpa_tdls_peer_free(sm, peer);
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}
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}
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@ -591,25 +565,34 @@ static int wpa_supplicant_verify_tdls_mic_teardown(
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}
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static void wpa_tdls_smk_timeout(void *eloop_ctx, void *timeout_ctx)
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static void wpa_tdls_tpk_timeout(void *eloop_ctx, void *timeout_ctx)
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{
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struct wpa_sm *sm = eloop_ctx;
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struct wpa_tdls_peer *peer = timeout_ctx;
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/* On SMK timer expiry initiate SMK followed by STK */
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if (peer->initiator)
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/*
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* On TPK lifetime expiration, we have an option of either tearing down
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* the direct link or trying to re-initiate it. The selection of what
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* to do is not strictly speaking controlled by our role in the expired
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* link, but for now, use that to select whether to renew or tear down
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* the link.
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*/
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if (peer->initiator) {
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wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime expired for " MACSTR
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" - try to renew", MAC2STR(peer->addr));
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wpa_tdls_start(sm, peer->addr);
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else {
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/*TODO::: to send Request for new SMK/STK handshake */
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;
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} else {
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wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime expired for " MACSTR
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" - tear down", MAC2STR(peer->addr));
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wpa_sm_tdls_oper(sm, TDLS_TEARDOWN, peer->addr);
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}
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}
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static void wpa_tdls_peer_free(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
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{
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if (peer->lifetime) {
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eloop_cancel_timeout(wpa_tdls_smk_timeout, sm, peer);
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peer->lifetime = 0;
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}
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eloop_cancel_timeout(wpa_tdls_tpk_timeout, sm, peer);
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/* need to clear Peerkey SM */
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tdls_clear_peer(sm, peer);
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@ -690,7 +673,7 @@ int wpa_tdls_recv_teardown_notify(struct wpa_sm *sm, const u8 *addr,
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os_free(rbuf);
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/* clear the Peerkey statemachine */
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wpa_supplicant_peer_free(sm, peer);
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wpa_tdls_peer_free(sm, peer);
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return 0;
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}
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@ -857,10 +840,8 @@ static int wpa_tdls_send_tpk_m2(struct wpa_sm *sm,
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#endif /* CONFIG_TDLS_TESTING */
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pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
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sizeof(timeoutie), lifetime);
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wpa_printf(MSG_DEBUG, "RSN: SMK lifetime %u seconds from Responder",
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wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds from initiator",
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lifetime);
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wpa_hexdump(MSG_WARNING, "WPA: TimeoutIE for SMK M2",
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(u8 *) &timeoutie, sizeof(timeoutie));
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/* compute MIC before sending */
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wpa_tdls_ftie_mic(peer->tpk.kck, 2, (u8 *) lnkid, peer->rsnie_p,
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@ -883,7 +864,7 @@ static int wpa_tdls_send_tpk_m3(struct wpa_sm *sm,
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u16 kde_len;
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struct wpa_tdls_ftie *ftie;
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struct wpa_tdls_timeoutie timeoutie;
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u32 lifetime = 0;
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u32 lifetime;
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/* Peer RSN IE, FTIE(Initiator Nonce, Peer nonce), Lifetime */
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kde_len = peer->rsnie_i_len + sizeof(struct wpa_tdls_ftie) +
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@ -932,12 +913,9 @@ static int wpa_tdls_send_tpk_m3(struct wpa_sm *sm,
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#endif /* CONFIG_TDLS_TESTING */
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pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
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sizeof(timeoutie), lifetime);
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wpa_printf(MSG_DEBUG, "RSN: SMK lifetime %u seconds from Responder",
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wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds",
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lifetime);
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wpa_hexdump(MSG_WARNING, "WPA: TimeoutIE for PTK Handshake M3",
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(u8 *) &timeoutie, sizeof(timeoutie));
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/* compute MIC before sending */
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wpa_tdls_ftie_mic(peer->tpk.kck, 3, (u8 *) lnkid, peer->rsnie_p,
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(u8 *) &timeoutie, (u8 *) ftie, ftie->mic);
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@ -962,7 +940,6 @@ static int wpa_tdls_process_tpk_m1(struct wpa_sm *sm, const u8 *src_addr,
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struct wpa_tdls_timeoutie *timeoutie;
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struct wpa_tdls_lnkid *lnkid;
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u32 lifetime = 0;
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struct os_time now;
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#if 0
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struct rsn_ie_hdr *hdr;
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u8 *pos;
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@ -1003,17 +980,12 @@ static int wpa_tdls_process_tpk_m1(struct wpa_sm *sm, const u8 *src_addr,
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wpa_printf(MSG_INFO, "RSN: No RSN IE in TDLS_M1");
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return -1;
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}
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if (kde.key_lifetime == NULL) {
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wpa_printf(MSG_INFO, "RSN: No Lifetime IE in TDLS_M1");
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return -1;
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}
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if (kde.lnkid == NULL || kde.lnkid_len < 3 * ETH_ALEN) {
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wpa_printf(MSG_INFO, "RSN: No Link Identifier IE in TDLS_M1");
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return -1;
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}
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ftie = (struct wpa_tdls_ftie *) kde.ftie;
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timeoutie = (struct wpa_tdls_timeoutie *) kde.key_lifetime;
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lnkid = (struct wpa_tdls_lnkid *) kde.lnkid;
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if (os_memcmp(sm->bssid, lnkid->bssid, ETH_ALEN) != 0) {
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@ -1090,7 +1062,7 @@ static int wpa_tdls_process_tpk_m1(struct wpa_sm *sm, const u8 *src_addr,
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"Request from peer " MACSTR,
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MAC2STR(src_addr));
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/* clear sm info and preserve the list */
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wpa_supplicant_peer_free(sm, peer);
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wpa_tdls_peer_free(sm, peer);
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}
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}
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}
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@ -1156,18 +1128,17 @@ static int wpa_tdls_process_tpk_m1(struct wpa_sm *sm, const u8 *src_addr,
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peer->rsnie_p, peer->rsnie_p_len);
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/* Lifetime */
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if (kde.key_lifetime == NULL) {
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wpa_printf(MSG_INFO, "TDLS: No Key Lifetime IE in TPK M1");
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return -1;
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}
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timeoutie = (struct wpa_tdls_timeoutie *) kde.key_lifetime;
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lifetime = WPA_GET_LE32(timeoutie->value);
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wpa_printf(MSG_DEBUG, "RSN: SMK lifetime %u seconds", lifetime);
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wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds", lifetime);
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if (lifetime < 300)
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lifetime = 300; /* minimum seconds */
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peer->lifetime = lifetime;
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/* SMK Lifetime Expiry */
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os_get_time(&now);
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peer->expiration = now.sec + peer->lifetime;
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/*eloop_register_timeout(lifetime, 0, wpa_tdls_smk_timeout,
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sm, peer);*/
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/* generate SMK using Nonce */
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wpa_tdls_generate_tpk(peer, sm->own_addr, sm->bssid);
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@ -1178,6 +1149,15 @@ static int wpa_tdls_process_tpk_m1(struct wpa_sm *sm, const u8 *src_addr,
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}
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static void wpa_tdls_enable_link(struct wpa_sm *sm, struct wpa_tdls_peer *peer)
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{
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eloop_cancel_timeout(wpa_tdls_tpk_timeout, sm, peer);
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eloop_register_timeout(peer->lifetime, 0, wpa_tdls_tpk_timeout,
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sm, peer);
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wpa_sm_tdls_oper(sm, TDLS_ENABLE_LINK, peer->addr);
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}
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static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
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const u8 *buf, u16 len)
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{
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@ -1185,16 +1165,28 @@ static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
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struct wpa_eapol_ie_parse kde;
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struct wpa_ie_data ie;
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int cipher;
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struct os_time now;
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struct wpa_tdls_ftie *ftie;
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struct wpa_tdls_timeoutie *timeoutie;
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struct wpa_tdls_lnkid *lnkid;
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u32 lifetime = 0;
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u8 dtoken = 0;
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u32 lifetime;
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u8 dtoken;
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int ielen;
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u16 status;
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const u8 *pos;
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wpa_printf(MSG_DEBUG, "TDLS: Received TPK M2 (Peer " MACSTR ")",
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MAC2STR(src_addr));
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for (peer = sm->tdls; peer; peer = peer->next) {
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if (os_memcmp(peer->addr, src_addr, ETH_ALEN) == 0)
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break;
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}
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if (peer == NULL) {
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wpa_printf(MSG_INFO, "TDLS: No matching peer found for "
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"TPK M2: " MACSTR, MAC2STR(src_addr));
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return -1;
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}
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wpa_tdls_smkretry_timeout_cancel(sm, peer, WLAN_TDLS_SETUP_REQUEST);
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if (buf == NULL) {
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wpa_printf(MSG_INFO, "TDLS: No message delivered for "
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"wpa_tdls_process_tpk_m2?!");
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@ -1207,14 +1199,8 @@ static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
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pos += 2 /* status code */;
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if (status != 0) {
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wpa_printf(MSG_INFO, "TDLS: status in TPK M2 %d", status);
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/* TODO: Respond appropriately to status_code.
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* (e.g.)
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* if (status_code == 44)
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* then rectify RSNIE in M1 and resend
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* else if (status_code == XXX)
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* then do XXX
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*/
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wpa_printf(MSG_INFO, "TDLS: Status code in TPK M2: %u",
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status);
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return -1;
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}
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@ -1240,17 +1226,12 @@ static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
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wpa_printf(MSG_INFO, "RSN: No RSN IE KDE in TDLS_M2");
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return -1;
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}
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if (kde.key_lifetime == NULL) {
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wpa_printf(MSG_INFO, "RSN: No Lifetime IE in TDLS_M2");
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return -1;
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}
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if (kde.lnkid == NULL || kde.lnkid_len < 3 * ETH_ALEN) {
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wpa_printf(MSG_INFO, "RSN: No Link Identifier IE in TDLS_M2");
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return -1;
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}
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ftie = (struct wpa_tdls_ftie *) kde.ftie;
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timeoutie = (struct wpa_tdls_timeoutie *) kde.key_lifetime;
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lnkid = (struct wpa_tdls_lnkid *) kde.lnkid;
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if (os_memcmp(sm->bssid, lnkid->bssid, ETH_ALEN) != 0) {
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@ -1258,9 +1239,6 @@ static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
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return -1;
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}
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wpa_printf(MSG_DEBUG, "RSN: SMK M2 - SMK Peer " MACSTR,
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MAC2STR(src_addr));
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if (kde.rsn_ie_len > TDLS_MAX_IE_LEN) {
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wpa_printf(MSG_INFO, "RSN: Too long Initiator RSN IE in TDLS_"
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"M2");
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@ -1284,21 +1262,6 @@ static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
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return -1;
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}
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for (peer = sm->tdls; peer; peer = peer->next) {
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if (os_memcmp(peer->addr, src_addr, ETH_ALEN) == 0)
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/* && os_memcmp(peer->inonce, kde.nonce,
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WPA_NONCE_LEN) == 0) */
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break;
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}
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if (peer == NULL) {
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wpa_printf(MSG_INFO, "TDLS: No matching peer found for PTK "
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"Handshake Message 3: " MACSTR, MAC2STR(src_addr));
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return -1;
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} else {
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wpa_tdls_smkretry_timeout_cancel(sm, peer,
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WLAN_TDLS_SETUP_REQUEST);
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}
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if (!os_memcmp(peer->inonce, ftie->Snonce, WPA_NONCE_LEN) == 0) {
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wpa_printf(MSG_INFO, "RSN: Key Nonce in TDLS_M2 does "
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"not match with INonce used in TDLS_M1");
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@ -1322,8 +1285,6 @@ static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
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wpa_hexdump(MSG_DEBUG, "RSN: FTIE Received from SMK M2",
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(u8 *) ftie, sizeof(*ftie));
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wpa_hexdump(MSG_DEBUG, "RSN: Timeout IE Received from SMK M2",
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(u8 *) timeoutie, sizeof(*timeoutie));
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wpa_hexdump(MSG_DEBUG, "RSN: RSNIE Received from SMK M2",
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kde.rsn_ie, kde.rsn_ie_len);
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wpa_hexdump(MSG_DEBUG, "RSN: Link ID Received from SMK M2",
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@ -1338,15 +1299,22 @@ static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
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peer->cipher = cipher;
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/* Lifetime */
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if (kde.key_lifetime == NULL) {
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wpa_printf(MSG_INFO, "TDLS: No Key Lifetime IE in TPK M2");
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return -1;
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}
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timeoutie = (struct wpa_tdls_timeoutie *) kde.key_lifetime;
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lifetime = WPA_GET_LE32(timeoutie->value);
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wpa_printf(MSG_DEBUG, "RSN: SMK lifetime %u seconds", lifetime);
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if (lifetime < 300)
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lifetime = 300; /* minimum seconds */
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peer->lifetime = lifetime;
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os_get_time(&now);
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peer->expiration = now.sec + lifetime;
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/*eloop_register_timeout(lifetime, 0, wpa_tdls_smk_timeout,
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sm, peer);*/
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wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds in TPK M2",
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lifetime);
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if (lifetime != peer->lifetime) {
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wpa_printf(MSG_INFO, "TDLS: Unexpected TPK lifetime %u in "
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"TPK M2 (expected %u)", lifetime, peer->lifetime);
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wpa_tdls_send_smk_error(sm, src_addr, WLAN_TDLS_SETUP_CONFIRM,
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dtoken,
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WLAN_STATUS_UNACCEPTABLE_LIFETIME);
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return -1;
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}
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/* generate SMK using Nonce */
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wpa_tdls_generate_tpk(peer, sm->own_addr, sm->bssid);
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@ -1364,7 +1332,7 @@ static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
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wpa_printf(MSG_DEBUG, "TDLS: Sending TPK Handshake Message 3");
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wpa_tdls_send_tpk_m3(sm, src_addr, dtoken, lnkid, peer);
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wpa_sm_tdls_oper(sm, TDLS_ENABLE_LINK, src_addr);
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wpa_tdls_enable_link(sm, peer);
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return 0;
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}
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@ -1381,6 +1349,20 @@ static int wpa_tdls_process_tpk_m3(struct wpa_sm *sm, const u8 *src_addr,
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int ielen;
|
||||
u16 status;
|
||||
const u8 *pos;
|
||||
u32 lifetime;
|
||||
|
||||
wpa_printf(MSG_DEBUG, "RSN: Received TDLS_M3 (Peer " MACSTR ")",
|
||||
MAC2STR(src_addr));
|
||||
for (peer = sm->tdls; peer; peer = peer->next) {
|
||||
if (os_memcmp(peer->addr, src_addr, ETH_ALEN) == 0)
|
||||
break;
|
||||
}
|
||||
if (peer == NULL) {
|
||||
wpa_printf(MSG_INFO, "TDLS: No matching peer found for "
|
||||
"TPK M3: " MACSTR, MAC2STR(src_addr));
|
||||
return -1;
|
||||
}
|
||||
wpa_tdls_smkretry_timeout_cancel(sm, peer, WLAN_TDLS_SETUP_RESPONSE);
|
||||
|
||||
if (buf == NULL) {
|
||||
wpa_printf(MSG_INFO, "TDLS: No message delivered for "
|
||||
@ -1394,14 +1376,8 @@ static int wpa_tdls_process_tpk_m3(struct wpa_sm *sm, const u8 *src_addr,
|
||||
status = WPA_GET_LE16(pos);
|
||||
|
||||
if (status != 0) {
|
||||
wpa_printf(MSG_INFO, "TDLS: status in TPK M3 %d", status);
|
||||
/* TODO: Respond appropriately to status_code
|
||||
* (e.g.)
|
||||
* if (status_code == 44)
|
||||
* then rectify RSNIE in M1 and resend M1
|
||||
* else if (status_code == XXX)
|
||||
* then do XXX
|
||||
*/
|
||||
wpa_printf(MSG_INFO, "TDLS: Status code in TPK M3: %u",
|
||||
status);
|
||||
return -1;
|
||||
}
|
||||
pos += 2 /* status code */ + 1 /* dialogue token */;
|
||||
@ -1421,17 +1397,12 @@ static int wpa_tdls_process_tpk_m3(struct wpa_sm *sm, const u8 *src_addr,
|
||||
wpa_printf(MSG_INFO, "RSN: No RSN IE KDE in TDLS_M3");
|
||||
return -1;
|
||||
}
|
||||
if (kde.key_lifetime == NULL) {
|
||||
wpa_printf(MSG_INFO, "RSN: No Lifetime IE in TDLS_M3");
|
||||
return -1;
|
||||
}
|
||||
if (kde.lnkid == NULL || kde.lnkid_len < 3 * ETH_ALEN) {
|
||||
wpa_printf(MSG_INFO, "RSN: No Link Identifier IE in TDLS_M3");
|
||||
return -1;
|
||||
}
|
||||
|
||||
ftie = (struct wpa_tdls_ftie *) kde.ftie;
|
||||
timeoutie = (struct wpa_tdls_timeoutie *) kde.key_lifetime;
|
||||
lnkid = (struct wpa_tdls_lnkid *) kde.lnkid;
|
||||
|
||||
if (os_memcmp(sm->bssid, lnkid->bssid, ETH_ALEN) != 0) {
|
||||
@ -1439,31 +1410,13 @@ static int wpa_tdls_process_tpk_m3(struct wpa_sm *sm, const u8 *src_addr,
|
||||
return -1;
|
||||
}
|
||||
|
||||
wpa_printf(MSG_DEBUG, "RSN: Received TDLS_M3 (Peer "
|
||||
MACSTR ")", MAC2STR(src_addr));
|
||||
|
||||
wpa_hexdump(MSG_DEBUG, "TDLS: FTIE Received from TPK M3",
|
||||
(u8 *) ftie, sizeof(*ftie));
|
||||
wpa_hexdump(MSG_DEBUG, "TDLS: Timeout IE Received from TPK M3",
|
||||
(u8 *) timeoutie, sizeof(*timeoutie));
|
||||
wpa_hexdump(MSG_DEBUG, "TDLS: RSNIE Received from TPK M3",
|
||||
kde.rsn_ie, kde.rsn_ie_len);
|
||||
wpa_hexdump(MSG_DEBUG, "TDLS: Link ID Received from TPK M3",
|
||||
(u8 *) lnkid, sizeof(*lnkid));
|
||||
|
||||
for (peer = sm->tdls; peer; peer = peer->next) {
|
||||
if (os_memcmp(peer->addr, src_addr, ETH_ALEN) == 0)
|
||||
break;
|
||||
}
|
||||
if (peer == NULL) {
|
||||
wpa_printf(MSG_INFO, "TDLS: No matching TDLS peer found "
|
||||
"for TPK Handshake Message 3: " MACSTR,
|
||||
MAC2STR(src_addr));
|
||||
return -1;
|
||||
} else
|
||||
wpa_tdls_smkretry_timeout_cancel(sm, peer,
|
||||
WLAN_TDLS_SETUP_RESPONSE);
|
||||
|
||||
if (!os_memcmp(peer->pnonce, ftie->Anonce, WPA_NONCE_LEN) == 0) {
|
||||
wpa_printf(MSG_INFO, "RSN: PNonce in TDLS_M3 does "
|
||||
"not match with PNonce used in TDLS_M2");
|
||||
@ -1476,6 +1429,22 @@ static int wpa_tdls_process_tpk_m3(struct wpa_sm *sm, const u8 *src_addr,
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (kde.key_lifetime == NULL) {
|
||||
wpa_printf(MSG_INFO, "TDLS: No Key Lifetime IE in TPK M3");
|
||||
return -1;
|
||||
}
|
||||
timeoutie = (struct wpa_tdls_timeoutie *) kde.key_lifetime;
|
||||
wpa_hexdump(MSG_DEBUG, "TDLS: Timeout IE Received from TPK M3",
|
||||
(u8 *) timeoutie, sizeof(*timeoutie));
|
||||
lifetime = WPA_GET_LE32(timeoutie->value);
|
||||
wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds in TPK M3",
|
||||
lifetime);
|
||||
if (lifetime != peer->lifetime) {
|
||||
wpa_printf(MSG_INFO, "TDLS: Unexpected TPK lifetime %u in "
|
||||
"TPK M3 (expected %u)", lifetime, peer->lifetime);
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (wpa_supplicant_verify_tdls_mic(3, peer, (u8 *) lnkid,
|
||||
(u8 *) timeoutie, ftie) < 0) {
|
||||
wpa_tdls_del_key(sm, peer);
|
||||
@ -1486,7 +1455,7 @@ static int wpa_tdls_process_tpk_m3(struct wpa_sm *sm, const u8 *src_addr,
|
||||
if (wpa_tdls_set_key(sm, peer) < 0)
|
||||
return -1;
|
||||
|
||||
wpa_sm_tdls_oper(sm, TDLS_ENABLE_LINK, src_addr);
|
||||
wpa_tdls_enable_link(sm, peer);
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -1524,7 +1493,6 @@ int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr)
|
||||
struct rsn_ie_hdr *hdr;
|
||||
struct wpa_tdls_peer *peer;
|
||||
struct wpa_tdls_timeoutie timeoutie;
|
||||
u32 lifetime = 0;
|
||||
u16 rsn_capab;
|
||||
|
||||
/* Find existing entry and if found, use that instead of adding
|
||||
@ -1620,7 +1588,7 @@ int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr)
|
||||
#endif /* CONFIG_TDLS_TESTING */
|
||||
rbuf = os_zalloc(kde_len);
|
||||
if (rbuf == NULL) {
|
||||
wpa_supplicant_peer_free(sm, peer);
|
||||
wpa_tdls_peer_free(sm, peer);
|
||||
return -1;
|
||||
}
|
||||
pos = rbuf;
|
||||
@ -1636,7 +1604,7 @@ int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr)
|
||||
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
|
||||
"WPA: Failed to get random data for INonce");
|
||||
os_free(rbuf);
|
||||
wpa_supplicant_peer_free(sm, peer);
|
||||
wpa_tdls_peer_free(sm, peer);
|
||||
return -1;
|
||||
}
|
||||
os_memcpy(ftie->Snonce, peer->inonce, WPA_NONCE_LEN);
|
||||
@ -1673,20 +1641,17 @@ int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr)
|
||||
#endif /* CONFIG_TDLS_TESTING */
|
||||
|
||||
/* Lifetime */
|
||||
lifetime = 43200; /* 12 hrs */
|
||||
peer->lifetime = TPK_LIFETIME;
|
||||
#ifdef CONFIG_TDLS_TESTING
|
||||
if (tdls_testing & TDLS_TESTING_SHORT_LIFETIME) {
|
||||
wpa_printf(MSG_DEBUG, "TDLS: Testing - use short TPK "
|
||||
"lifetime");
|
||||
lifetime = 301;
|
||||
peer->lifetime = 301;
|
||||
}
|
||||
#endif /* CONFIG_TDLS_TESTING */
|
||||
pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
|
||||
sizeof(timeoutie), lifetime);
|
||||
wpa_hexdump(MSG_WARNING, "WPA: TimeoutIE for TPK Handshake M1",
|
||||
(u8 *) &timeoutie, sizeof(timeoutie));
|
||||
peer->lifetime = lifetime;
|
||||
wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds", lifetime);
|
||||
sizeof(timeoutie), peer->lifetime);
|
||||
wpa_printf(MSG_DEBUG, "TDLS: TPK lifetime %u seconds", peer->lifetime);
|
||||
|
||||
wpa_printf(MSG_DEBUG, "TDLS: Sending TPK Handshake Message 1 (peer "
|
||||
MACSTR ")", MAC2STR(addr));
|
||||
@ -1802,7 +1767,7 @@ static void wpa_tdls_remove_peers(struct wpa_sm *sm)
|
||||
res = wpa_sm_tdls_oper(sm, TDLS_DISABLE_LINK, peer->addr);
|
||||
wpa_printf(MSG_DEBUG, "TDLS: Remove peer " MACSTR " (res=%d)",
|
||||
MAC2STR(peer->addr), res);
|
||||
wpa_supplicant_peer_free(sm, peer);
|
||||
wpa_tdls_peer_free(sm, peer);
|
||||
os_free(peer);
|
||||
peer = tmp;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user