src/rsn_supp/tdls.c

52 	u8 ie_type; /* FTIE */
53 	u8 ie_len;
54 	u8 mic_ctrl[2];
55 	u8 mic[TDLS_MIC_LEN];
56 	u8 Anonce[WPA_NONCE_LEN]; /* Responder Nonce in TDLS */
57 	u8 Snonce[WPA_NONCE_LEN]; /* Initiator Nonce in TDLS */
62 	u8 ie_type; /* Timeout IE */
63 	u8 ie_len;
64 	u8 interval_type;
65 	u8 value[TDLS_TIMEOUT_LEN];
69 	u8 ie_type; /* Link Identifier IE */
70 	u8 ie_len;
71 	u8 bssid[ETH_ALEN];
72 	u8 init_sta[ETH_ALEN];
73 	u8 resp_sta[ETH_ALEN];
78 	u8 payloadtype; /* IEEE80211_TDLS_RFTYPE */
79 	u8 category; /* Category */
80 	u8 action; /* Action (enum tdls_frame_type) */
83 static u8 * wpa_add_tdls_timeoutie(u8 *pos, u8 *ie, size_t ie_len, u32 tsecs);
88 static int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr,
99 	u8 addr[ETH_ALEN]; /* other end MAC address */
100 	u8 inonce[WPA_NONCE_LEN]; /* Initiator Nonce */
101 	u8 rnonce[WPA_NONCE_LEN]; /* Responder Nonce */
102 	u8 rsnie_i[TDLS_MAX_IE_LEN]; /* Initiator RSN IE */
104 	u8 rsnie_p[TDLS_MAX_IE_LEN]; /* Peer RSN IE */
108 	u8 dtoken;
111 		u8 kck[16]; /* TPK-KCK */
112 		u8 tk[16]; /* TPK-TK; assuming only CCMP will be used */
120 		u8 dest[ETH_ALEN];
123 		u8 action_code; /* TDLS frame type */
124 		u8 dialog_token;
128 		u8 *buf;        /* buffer for TPK message */
133 	u8 supp_rates[IEEE80211_MAX_SUPP_RATES];
139 	u8 qos_info;
143 	u8 *ext_capab;
146 	u8 *supp_channels;
149 	u8 *supp_oper_classes;
152 	u8 wmm_capable;
170 static u8 * wpa_add_ie(u8 *pos, const u8 *ie, size_t ie_len)
192 	u8 key_len;
193 	u8 rsc[6];
240 static int wpa_tdls_send_tpk_msg(struct wpa_sm *sm, const u8 *dst,
241 				 u8 action_code, u8 dialog_token,
243 				 int initiator, const u8 *buf, size_t len)
251 static int wpa_tdls_tpk_send(struct wpa_sm *sm, const u8 *dest, u8 action_code,
252 			     u8 dialog_token, u16 status_code, u32 peer_capab,
253 			     int initiator, const u8 *msg, size_t msg_len)
384 					      u8 action_code)
409 				  const u8 *own_addr, const u8 *bssid)
411 	u8 key_input[SHA256_MAC_LEN];
412 	const u8 *nonce[2];
414 	u8 data[3 * ETH_ALEN];
453 		   (u8 *) &peer->tpk, sizeof(peer->tpk));
473 static int wpa_tdls_ftie_mic(const u8 *kck, u8 trans_seq, const u8 *lnkid,
474 			     const u8 *rsnie, const u8 *timeoutie,
475 			     const u8 *ftie, u8 *mic)
477 	u8 *buf, *pos;
535 static int wpa_tdls_key_mic_teardown(const u8 *kck, u8 trans_seq, u16 rcode,
536 				     u8 dtoken, const u8 *lnkid,
537 				     const u8 *ftie, u8 *mic)
539 	u8 *buf, *pos;
582 static int wpa_supplicant_verify_tdls_mic(u8 trans_seq,
584 					  const u8 *lnkid, const u8 *timeoutie,
587 	u8 mic[16];
591 				  peer->rsnie_p, timeoutie, (u8 *) ftie,
612 	u8 trans_seq, u16 rcode, u8 dtoken, struct wpa_tdls_peer *peer,
613 	const u8 *lnkid, const struct wpa_tdls_ftie *ftie)
615 	u8 mic[16];
619 					  dtoken, lnkid, (u8 *) ftie, mic);
743 static int wpa_tdls_send_teardown(struct wpa_sm *sm, const u8 *addr,
749 	u8 dialog_token;
750 	u8 *rbuf, *pos;
804 	pos = (u8 *) (ftie + 1);
816 		    (u8 *) ftie, pos - (u8 *) ftie);
821 				  dialog_token, (u8 *) &lnkid, (u8 *) ftie,
837 int wpa_tdls_teardown_link(struct wpa_sm *sm, const u8 *addr, u16 reason_code)
873 void wpa_tdls_disable_unreachable_link(struct wpa_sm *sm, const u8 *addr)
906 const char * wpa_tdls_get_link_status(struct wpa_sm *sm, const u8 *addr)
928 static int wpa_tdls_recv_teardown(struct wpa_sm *sm, const u8 *src_addr,
929 				  const u8 *buf, size_t len)
936 	const u8 *pos;
967 	if (wpa_supplicant_parse_ies((const u8 *) pos, ielen, &kde) < 0)
991 						    (u8 *) lnkid, ftie) < 0) {
1016 static int wpa_tdls_send_error(struct wpa_sm *sm, const u8 *dst,
1017 			       u8 tdls_action, u8 dialog_token, int initiator,
1029 wpa_tdls_add_peer(struct wpa_sm *sm, const u8 *addr, int *existing)
1065 	u8 *rbuf, *pos, *count_pos;
1087 	pos = (u8 *) (hdr + 1);
1180 		    (u8 *) ftie, sizeof(struct wpa_tdls_ftie));
1182 	pos = (u8 *) (ftie + 1);
1209 	pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
1239 				const unsigned char *src_addr, u8 dtoken,
1243 	u8 *rbuf, *pos;
1280 		    (u8 *) ftie, sizeof(*ftie));
1282 	pos = (u8 *) (ftie + 1);
1304 	pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
1310 	wpa_tdls_ftie_mic(peer->tpk.kck, 2, (u8 *) lnkid, peer->rsnie_p,
1311 			  (u8 *) &timeoutie, (u8 *) ftie, ftie->mic);
1330 				const unsigned char *src_addr, u8 dtoken,
1334 	u8 *rbuf, *pos;
1372 	pos = (u8 *) (ftie + 1);
1394 	pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
1400 	wpa_tdls_ftie_mic(peer->tpk.kck, 3, (u8 *) lnkid, peer->rsnie_p,
1401 			  (u8 *) &timeoutie, (u8 *) ftie, ftie->mic);
1429 					    u8 dialog_token)
1434 	u8 *rbuf, *pos, *count_pos;
1448 	pos = (u8 *) (hdr + 1);
1476 	hdr->len = (pos - (u8 *) hdr) - 2;
1480 		    (u8 *) hdr, hdr->len + 2);
1501 	pos = wpa_add_tdls_timeoutie(pos, (u8 *) &timeoutie,
1514 wpa_tdls_process_discovery_request(struct wpa_sm *sm, const u8 *addr,
1515 				   const u8 *buf, size_t len)
1522 	u8 dialog_token;
1569 int wpa_tdls_send_discovery_request(struct wpa_sm *sm, const u8 *addr)
1616 		    (u8 *) peer->ht_capabilities,
1642 		    (u8 *) peer->vht_capabilities,
1719 		    (u8 *) peer->supp_channels, peer->supp_channels_len);
1744 		    (u8 *) peer->supp_oper_classes,
1767 static int tdls_nonce_set(const u8 *nonce)
1780 static int wpa_tdls_process_tpk_m1(struct wpa_sm *sm, const u8 *src_addr,
1781 				   const u8 *buf, size_t len)
1787 	const u8 *cpos;
1794 	u8 *pos;
1798 	u8 dtoken;
2066 	pos = (u8 *) (hdr + 1);
2169 static int wpa_tdls_process_tpk_m2(struct wpa_sm *sm, const u8 *src_addr,
2170 				   const u8 *buf, size_t len)
2180 	u8 dtoken;
2183 	const u8 *pos;
2403 	if (wpa_supplicant_verify_tdls_mic(2, peer, (u8 *) lnkid,
2404 					   (u8 *) timeoutie, ftie) < 0) {
2457 static int wpa_tdls_process_tpk_m3(struct wpa_sm *sm, const u8 *src_addr,
2458 				   const u8 *buf, size_t len)
2467 	const u8 *pos;
2506 	if (wpa_supplicant_parse_ies((const u8 *) pos, ielen, &kde) < 0) {
2516 		    (u8 *) kde.lnkid, kde.lnkid_len);
2566 		    (u8 *) timeoutie, sizeof(*timeoutie));
2576 	if (wpa_supplicant_verify_tdls_mic(3, peer, (u8 *) lnkid,
2577 					   (u8 *) timeoutie, ftie) < 0) {
2616 static u8 * wpa_add_tdls_timeoutie(u8 *pos, u8 *ie, size_t ie_len, u32 tsecs)
2639 int wpa_tdls_start(struct wpa_sm *sm, const u8 *addr)
2691 void wpa_tdls_remove(struct wpa_sm *sm, const u8 *addr)
2722 static void wpa_supplicant_rx_tdls(void *ctx, const u8 *src_addr,
2723 				   const u8 *buf, size_t len)
2919 void wpa_tdls_ap_ies(struct wpa_sm *sm, const u8 *ies, size_t len)
2941 void wpa_tdls_assoc_resp_ies(struct wpa_sm *sm, const u8 *ies, size_t len)
2978 int wpa_tdls_enable_chan_switch(struct wpa_sm *sm, const u8 *addr,
2979 				u8 oper_class,
3027 int wpa_tdls_disable_chan_switch(struct wpa_sm *sm, const u8 *addr)