2008-02-28 02:34:43 +01:00
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/*
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2010-01-06 20:23:15 +01:00
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* Internal WPA/RSN supplicant state machine definitions
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2018-06-04 14:16:54 +02:00
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* Copyright (c) 2004-2018, Jouni Malinen <j@w1.fi>
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2008-02-28 02:34:43 +01:00
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*
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2012-02-11 15:46:35 +01:00
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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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2008-02-28 02:34:43 +01:00
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*/
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#ifndef WPA_I_H
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#define WPA_I_H
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2010-01-06 20:23:15 +01:00
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#include "utils/list.h"
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2010-10-07 09:26:56 +02:00
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struct wpa_tdls_peer;
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2008-02-28 02:34:43 +01:00
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struct wpa_eapol_key;
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/**
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* struct wpa_sm - Internal WPA state machine data
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*/
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struct wpa_sm {
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2015-10-14 00:18:11 +02:00
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u8 pmk[PMK_LEN_MAX];
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2008-02-28 02:34:43 +01:00
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size_t pmk_len;
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struct wpa_ptk ptk, tptk;
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int ptk_set, tptk_set;
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2015-03-07 11:58:19 +01:00
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unsigned int msg_3_of_4_ok:1;
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2008-02-28 02:34:43 +01:00
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u8 snonce[WPA_NONCE_LEN];
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u8 anonce[WPA_NONCE_LEN]; /* ANonce from the last 1/4 msg */
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int renew_snonce;
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u8 rx_replay_counter[WPA_REPLAY_COUNTER_LEN];
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int rx_replay_counter_set;
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u8 request_counter[WPA_REPLAY_COUNTER_LEN];
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2017-07-12 16:03:24 +02:00
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struct wpa_gtk gtk;
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2017-10-01 11:12:24 +02:00
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struct wpa_gtk gtk_wnm_sleep;
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2017-07-12 16:03:24 +02:00
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#ifdef CONFIG_IEEE80211W
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struct wpa_igtk igtk;
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2017-10-01 11:12:24 +02:00
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struct wpa_igtk igtk_wnm_sleep;
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2017-07-12 16:03:24 +02:00
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#endif /* CONFIG_IEEE80211W */
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2008-02-28 02:34:43 +01:00
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struct eapol_sm *eapol; /* EAPOL state machine from upper level code */
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struct rsn_pmksa_cache *pmksa; /* PMKSA cache */
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struct rsn_pmksa_cache_entry *cur_pmksa; /* current PMKSA entry */
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2010-01-06 20:23:15 +01:00
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struct dl_list pmksa_candidates;
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2008-02-28 02:34:43 +01:00
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struct l2_packet_data *l2_preauth;
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struct l2_packet_data *l2_preauth_br;
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2010-10-07 09:26:56 +02:00
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struct l2_packet_data *l2_tdls;
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2008-02-28 02:34:43 +01:00
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u8 preauth_bssid[ETH_ALEN]; /* current RSN pre-auth peer or
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* 00:00:00:00:00:00 if no pre-auth is
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* in progress */
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struct eapol_sm *preauth_eapol;
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struct wpa_sm_ctx *ctx;
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void *scard_ctx; /* context for smartcard callbacks */
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int fast_reauth; /* whether EAP fast re-authentication is enabled */
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void *network_ctx;
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int allowed_pairwise_cipher; /* bitfield of WPA_CIPHER_* */
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int proactive_key_caching;
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int eap_workaround;
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void *eap_conf_ctx;
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u8 ssid[32];
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size_t ssid_len;
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2008-11-06 18:57:21 +01:00
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int wpa_ptk_rekey;
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2013-03-16 18:13:31 +01:00
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int p2p;
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2015-10-14 11:26:33 +02:00
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int wpa_rsc_relaxation;
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2008-02-28 02:34:43 +01:00
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u8 own_addr[ETH_ALEN];
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const char *ifname;
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const char *bridge_ifname;
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u8 bssid[ETH_ALEN];
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unsigned int dot11RSNAConfigPMKLifetime;
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unsigned int dot11RSNAConfigPMKReauthThreshold;
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unsigned int dot11RSNAConfigSATimeout;
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unsigned int dot11RSNA4WayHandshakeFailures;
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/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
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unsigned int proto;
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unsigned int pairwise_cipher;
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unsigned int group_cipher;
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unsigned int key_mgmt;
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unsigned int mgmt_group_cipher;
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int rsn_enabled; /* Whether RSN is enabled in configuration */
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2010-03-29 19:48:01 +02:00
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int mfp; /* 0 = disabled, 1 = optional, 2 = mandatory */
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2008-02-28 02:34:43 +01:00
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u8 *assoc_wpa_ie; /* Own WPA/RSN IE from (Re)AssocReq */
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size_t assoc_wpa_ie_len;
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u8 *ap_wpa_ie, *ap_rsn_ie;
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size_t ap_wpa_ie_len, ap_rsn_ie_len;
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2010-10-07 09:26:56 +02:00
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#ifdef CONFIG_TDLS
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struct wpa_tdls_peer *tdls;
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2011-01-28 18:27:28 +01:00
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int tdls_prohibited;
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2014-12-29 04:35:18 +01:00
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int tdls_chan_switch_prohibited;
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2011-03-24 19:44:17 +01:00
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int tdls_disabled;
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2011-09-26 12:55:25 +02:00
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/* The driver supports TDLS */
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int tdls_supported;
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/*
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* The driver requires explicit discovery/setup/teardown frames sent
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* to it via tdls_mgmt.
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*/
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int tdls_external_setup;
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2014-12-29 04:44:37 +01:00
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/* The driver supports TDLS channel switching */
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int tdls_chan_switch;
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2010-10-07 09:26:56 +02:00
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#endif /* CONFIG_TDLS */
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2008-02-28 02:34:43 +01:00
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#ifdef CONFIG_IEEE80211R
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2018-06-04 14:16:54 +02:00
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u8 xxkey[PMK_LEN_MAX]; /* PSK or the second 256 bits of MSK, or the
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* first 384 bits of MSK */
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2008-02-28 02:34:43 +01:00
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size_t xxkey_len;
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2018-06-04 14:16:54 +02:00
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u8 pmk_r0[PMK_LEN_MAX];
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size_t pmk_r0_len;
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2008-02-28 02:34:43 +01:00
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u8 pmk_r0_name[WPA_PMK_NAME_LEN];
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2018-06-04 14:16:54 +02:00
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u8 pmk_r1[PMK_LEN_MAX];
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size_t pmk_r1_len;
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2008-02-28 02:34:43 +01:00
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u8 pmk_r1_name[WPA_PMK_NAME_LEN];
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u8 mobility_domain[MOBILITY_DOMAIN_ID_LEN];
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u8 r0kh_id[FT_R0KH_ID_MAX_LEN];
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size_t r0kh_id_len;
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u8 r1kh_id[FT_R1KH_ID_LEN];
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int ft_completed;
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2017-09-22 11:06:37 +02:00
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int ft_reassoc_completed;
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2008-02-28 02:34:43 +01:00
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int over_the_ds_in_progress;
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u8 target_ap[ETH_ALEN]; /* over-the-DS target AP */
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2010-03-13 16:15:38 +01:00
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int set_ptk_after_assoc;
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2010-04-09 15:41:57 +02:00
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u8 mdie_ft_capab; /* FT Capability and Policy from target AP MDIE */
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2010-04-10 15:48:40 +02:00
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u8 *assoc_resp_ies; /* MDIE and FTIE from (Re)Association Response */
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size_t assoc_resp_ies_len;
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2008-02-28 02:34:43 +01:00
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#endif /* CONFIG_IEEE80211R */
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2013-03-16 18:13:31 +01:00
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#ifdef CONFIG_P2P
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u8 p2p_ip_addr[3 * 4];
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#endif /* CONFIG_P2P */
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2015-12-06 18:30:59 +01:00
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#ifdef CONFIG_TESTING_OPTIONS
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struct wpabuf *test_assoc_ie;
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#endif /* CONFIG_TESTING_OPTIONS */
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2015-09-04 14:32:07 +02:00
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#ifdef CONFIG_FILS
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u8 fils_nonce[FILS_NONCE_LEN];
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u8 fils_session[FILS_SESSION_LEN];
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2015-09-07 23:14:13 +02:00
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u8 fils_anonce[FILS_NONCE_LEN];
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u8 fils_key_auth_ap[FILS_MAX_KEY_AUTH_LEN];
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u8 fils_key_auth_sta[FILS_MAX_KEY_AUTH_LEN];
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size_t fils_key_auth_len;
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2015-09-09 16:34:13 +02:00
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unsigned int fils_completed:1;
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2017-01-13 20:06:21 +01:00
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unsigned int fils_erp_pmkid_set:1;
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2017-02-21 11:22:19 +01:00
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unsigned int fils_cache_id_set:1;
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2017-01-13 20:06:21 +01:00
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u8 fils_erp_pmkid[PMKID_LEN];
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2017-02-21 11:22:19 +01:00
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u8 fils_cache_id[FILS_CACHE_ID_LEN];
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2017-03-12 21:45:35 +01:00
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struct crypto_ecdh *fils_ecdh;
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int fils_dh_group;
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size_t fils_dh_elem_len;
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2017-05-07 11:00:27 +02:00
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struct wpabuf *fils_ft_ies;
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u8 fils_ft[FILS_FT_MAX_LEN];
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size_t fils_ft_len;
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2015-09-04 14:32:07 +02:00
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#endif /* CONFIG_FILS */
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2017-03-12 10:53:21 +01:00
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#ifdef CONFIG_OWE
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struct crypto_ecdh *owe_ecdh;
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2017-10-08 15:39:08 +02:00
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u16 owe_group;
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2017-03-12 10:53:21 +01:00
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#endif /* CONFIG_OWE */
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2008-02-28 02:34:43 +01:00
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};
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2009-12-26 09:35:08 +01:00
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static inline void wpa_sm_set_state(struct wpa_sm *sm, enum wpa_states state)
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2008-02-28 02:34:43 +01:00
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{
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WPA_ASSERT(sm->ctx->set_state);
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sm->ctx->set_state(sm->ctx->ctx, state);
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}
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2009-12-26 09:35:08 +01:00
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static inline enum wpa_states wpa_sm_get_state(struct wpa_sm *sm)
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2008-02-28 02:34:43 +01:00
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{
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WPA_ASSERT(sm->ctx->get_state);
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return sm->ctx->get_state(sm->ctx->ctx);
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}
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static inline void wpa_sm_deauthenticate(struct wpa_sm *sm, int reason_code)
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{
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WPA_ASSERT(sm->ctx->deauthenticate);
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sm->ctx->deauthenticate(sm->ctx->ctx, reason_code);
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}
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2009-12-26 09:35:08 +01:00
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static inline int wpa_sm_set_key(struct wpa_sm *sm, enum wpa_alg alg,
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2008-02-28 02:34:43 +01:00
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const u8 *addr, int key_idx, int set_tx,
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const u8 *seq, size_t seq_len,
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const u8 *key, size_t key_len)
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{
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WPA_ASSERT(sm->ctx->set_key);
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return sm->ctx->set_key(sm->ctx->ctx, alg, addr, key_idx, set_tx,
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seq, seq_len, key, key_len);
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}
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static inline void * wpa_sm_get_network_ctx(struct wpa_sm *sm)
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{
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WPA_ASSERT(sm->ctx->get_network_ctx);
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return sm->ctx->get_network_ctx(sm->ctx->ctx);
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}
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static inline int wpa_sm_get_bssid(struct wpa_sm *sm, u8 *bssid)
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{
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WPA_ASSERT(sm->ctx->get_bssid);
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return sm->ctx->get_bssid(sm->ctx->ctx, bssid);
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}
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static inline int wpa_sm_ether_send(struct wpa_sm *sm, const u8 *dest,
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u16 proto, const u8 *buf, size_t len)
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{
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WPA_ASSERT(sm->ctx->ether_send);
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return sm->ctx->ether_send(sm->ctx->ctx, dest, proto, buf, len);
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}
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static inline int wpa_sm_get_beacon_ie(struct wpa_sm *sm)
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{
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WPA_ASSERT(sm->ctx->get_beacon_ie);
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return sm->ctx->get_beacon_ie(sm->ctx->ctx);
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}
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static inline void wpa_sm_cancel_auth_timeout(struct wpa_sm *sm)
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{
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WPA_ASSERT(sm->ctx->cancel_auth_timeout);
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sm->ctx->cancel_auth_timeout(sm->ctx->ctx);
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}
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static inline u8 * wpa_sm_alloc_eapol(struct wpa_sm *sm, u8 type,
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const void *data, u16 data_len,
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size_t *msg_len, void **data_pos)
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{
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WPA_ASSERT(sm->ctx->alloc_eapol);
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return sm->ctx->alloc_eapol(sm->ctx->ctx, type, data, data_len,
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msg_len, data_pos);
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}
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2016-12-12 19:59:41 +01:00
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static inline int wpa_sm_add_pmkid(struct wpa_sm *sm, void *network_ctx,
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2017-03-30 15:57:15 +02:00
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const u8 *bssid, const u8 *pmkid,
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const u8 *cache_id, const u8 *pmk,
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size_t pmk_len)
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2008-02-28 02:34:43 +01:00
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{
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WPA_ASSERT(sm->ctx->add_pmkid);
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2017-03-30 15:57:15 +02:00
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return sm->ctx->add_pmkid(sm->ctx->ctx, network_ctx, bssid, pmkid,
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cache_id, pmk, pmk_len);
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2008-02-28 02:34:43 +01:00
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}
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2016-12-12 19:59:41 +01:00
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static inline int wpa_sm_remove_pmkid(struct wpa_sm *sm, void *network_ctx,
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2017-03-30 15:57:15 +02:00
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const u8 *bssid, const u8 *pmkid,
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const u8 *cache_id)
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2008-02-28 02:34:43 +01:00
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{
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WPA_ASSERT(sm->ctx->remove_pmkid);
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2017-03-30 15:57:15 +02:00
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return sm->ctx->remove_pmkid(sm->ctx->ctx, network_ctx, bssid, pmkid,
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cache_id);
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2008-02-28 02:34:43 +01:00
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}
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static inline int wpa_sm_mlme_setprotection(struct wpa_sm *sm, const u8 *addr,
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int protect_type, int key_type)
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{
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WPA_ASSERT(sm->ctx->mlme_setprotection);
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return sm->ctx->mlme_setprotection(sm->ctx->ctx, addr, protect_type,
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key_type);
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}
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static inline int wpa_sm_update_ft_ies(struct wpa_sm *sm, const u8 *md,
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const u8 *ies, size_t ies_len)
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{
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if (sm->ctx->update_ft_ies)
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return sm->ctx->update_ft_ies(sm->ctx->ctx, md, ies, ies_len);
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return -1;
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}
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static inline int wpa_sm_send_ft_action(struct wpa_sm *sm, u8 action,
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const u8 *target_ap,
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const u8 *ies, size_t ies_len)
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{
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if (sm->ctx->send_ft_action)
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return sm->ctx->send_ft_action(sm->ctx->ctx, action, target_ap,
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ies, ies_len);
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return -1;
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}
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2010-03-13 17:28:15 +01:00
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static inline int wpa_sm_mark_authenticated(struct wpa_sm *sm,
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const u8 *target_ap)
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{
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|
|
|
if (sm->ctx->mark_authenticated)
|
|
|
|
return sm->ctx->mark_authenticated(sm->ctx->ctx, target_ap);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2011-07-12 20:22:51 +02:00
|
|
|
static inline void wpa_sm_set_rekey_offload(struct wpa_sm *sm)
|
|
|
|
{
|
|
|
|
if (!sm->ctx->set_rekey_offload)
|
|
|
|
return;
|
2015-01-25 15:49:18 +01:00
|
|
|
sm->ctx->set_rekey_offload(sm->ctx->ctx, sm->ptk.kek, sm->ptk.kek_len,
|
|
|
|
sm->ptk.kck, sm->ptk.kck_len,
|
|
|
|
sm->rx_replay_counter);
|
2011-07-12 20:22:51 +02:00
|
|
|
}
|
|
|
|
|
2010-10-07 09:26:56 +02:00
|
|
|
#ifdef CONFIG_TDLS
|
2011-09-26 12:55:25 +02:00
|
|
|
static inline int wpa_sm_tdls_get_capa(struct wpa_sm *sm,
|
|
|
|
int *tdls_supported,
|
2014-12-29 04:44:37 +01:00
|
|
|
int *tdls_ext_setup,
|
|
|
|
int *tdls_chan_switch)
|
2011-09-26 12:55:25 +02:00
|
|
|
{
|
|
|
|
if (sm->ctx->tdls_get_capa)
|
|
|
|
return sm->ctx->tdls_get_capa(sm->ctx->ctx, tdls_supported,
|
2014-12-29 04:44:37 +01:00
|
|
|
tdls_ext_setup, tdls_chan_switch);
|
2011-09-26 12:55:25 +02:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
2010-10-07 09:26:56 +02:00
|
|
|
static inline int wpa_sm_send_tdls_mgmt(struct wpa_sm *sm, const u8 *dst,
|
|
|
|
u8 action_code, u8 dialog_token,
|
2014-03-26 17:04:50 +01:00
|
|
|
u16 status_code, u32 peer_capab,
|
2014-09-29 20:47:51 +02:00
|
|
|
int initiator, const u8 *buf,
|
|
|
|
size_t len)
|
2010-10-07 09:26:56 +02:00
|
|
|
{
|
|
|
|
if (sm->ctx->send_tdls_mgmt)
|
|
|
|
return sm->ctx->send_tdls_mgmt(sm->ctx->ctx, dst, action_code,
|
|
|
|
dialog_token, status_code,
|
2014-09-29 20:47:51 +02:00
|
|
|
peer_capab, initiator, buf,
|
|
|
|
len);
|
2010-10-07 09:26:56 +02:00
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int wpa_sm_tdls_oper(struct wpa_sm *sm, int oper,
|
|
|
|
const u8 *peer)
|
|
|
|
{
|
|
|
|
if (sm->ctx->tdls_oper)
|
|
|
|
return sm->ctx->tdls_oper(sm->ctx->ctx, oper, peer);
|
|
|
|
return -1;
|
|
|
|
}
|
2011-10-23 13:02:57 +02:00
|
|
|
|
|
|
|
static inline int
|
|
|
|
wpa_sm_tdls_peer_addset(struct wpa_sm *sm, const u8 *addr, int add,
|
2013-05-06 14:47:44 +02:00
|
|
|
u16 aid, u16 capability, const u8 *supp_rates,
|
2013-02-05 15:41:01 +01:00
|
|
|
size_t supp_rates_len,
|
|
|
|
const struct ieee80211_ht_capabilities *ht_capab,
|
2013-02-25 09:31:50 +01:00
|
|
|
const struct ieee80211_vht_capabilities *vht_capab,
|
2014-09-29 20:47:53 +02:00
|
|
|
u8 qosinfo, int wmm, const u8 *ext_capab,
|
|
|
|
size_t ext_capab_len, const u8 *supp_channels,
|
|
|
|
size_t supp_channels_len, const u8 *supp_oper_classes,
|
2014-01-06 14:06:13 +01:00
|
|
|
size_t supp_oper_classes_len)
|
2011-10-23 13:02:57 +02:00
|
|
|
{
|
|
|
|
if (sm->ctx->tdls_peer_addset)
|
|
|
|
return sm->ctx->tdls_peer_addset(sm->ctx->ctx, addr, add,
|
2013-05-06 14:47:44 +02:00
|
|
|
aid, capability, supp_rates,
|
2013-02-05 15:41:01 +01:00
|
|
|
supp_rates_len, ht_capab,
|
2014-09-29 20:47:53 +02:00
|
|
|
vht_capab, qosinfo, wmm,
|
2014-01-06 14:06:13 +01:00
|
|
|
ext_capab, ext_capab_len,
|
|
|
|
supp_channels,
|
|
|
|
supp_channels_len,
|
|
|
|
supp_oper_classes,
|
|
|
|
supp_oper_classes_len);
|
2011-10-23 13:02:57 +02:00
|
|
|
return -1;
|
|
|
|
}
|
2014-12-29 06:20:51 +01:00
|
|
|
|
|
|
|
static inline int
|
|
|
|
wpa_sm_tdls_enable_channel_switch(struct wpa_sm *sm, const u8 *addr,
|
|
|
|
u8 oper_class,
|
|
|
|
const struct hostapd_freq_params *freq_params)
|
|
|
|
{
|
|
|
|
if (sm->ctx->tdls_enable_channel_switch)
|
|
|
|
return sm->ctx->tdls_enable_channel_switch(sm->ctx->ctx, addr,
|
|
|
|
oper_class,
|
|
|
|
freq_params);
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int
|
|
|
|
wpa_sm_tdls_disable_channel_switch(struct wpa_sm *sm, const u8 *addr)
|
|
|
|
{
|
|
|
|
if (sm->ctx->tdls_disable_channel_switch)
|
|
|
|
return sm->ctx->tdls_disable_channel_switch(sm->ctx->ctx, addr);
|
|
|
|
return -1;
|
|
|
|
}
|
2010-10-07 09:26:56 +02:00
|
|
|
#endif /* CONFIG_TDLS */
|
2008-02-28 02:34:43 +01:00
|
|
|
|
2014-10-23 17:21:49 +02:00
|
|
|
static inline int wpa_sm_key_mgmt_set_pmk(struct wpa_sm *sm,
|
|
|
|
const u8 *pmk, size_t pmk_len)
|
|
|
|
{
|
|
|
|
if (!sm->ctx->key_mgmt_set_pmk)
|
|
|
|
return -1;
|
|
|
|
return sm->ctx->key_mgmt_set_pmk(sm->ctx->ctx, pmk, pmk_len);
|
|
|
|
}
|
|
|
|
|
2017-01-31 20:21:24 +01:00
|
|
|
static inline void wpa_sm_fils_hlp_rx(struct wpa_sm *sm,
|
|
|
|
const u8 *dst, const u8 *src,
|
|
|
|
const u8 *pkt, size_t pkt_len)
|
|
|
|
{
|
|
|
|
if (sm->ctx->fils_hlp_rx)
|
|
|
|
sm->ctx->fils_hlp_rx(sm->ctx->ctx, dst, src, pkt, pkt_len);
|
|
|
|
}
|
|
|
|
|
2018-08-06 21:46:20 +02:00
|
|
|
static inline int wpa_sm_channel_info(struct wpa_sm *sm,
|
|
|
|
struct wpa_channel_info *ci)
|
|
|
|
{
|
|
|
|
if (!sm->ctx->channel_info)
|
|
|
|
return -1;
|
|
|
|
return sm->ctx->channel_info(sm->ctx->ctx, ci);
|
|
|
|
}
|
|
|
|
|
2017-01-31 20:21:24 +01:00
|
|
|
|
2015-09-03 11:31:55 +02:00
|
|
|
int wpa_eapol_key_send(struct wpa_sm *sm, struct wpa_ptk *ptk,
|
2015-10-27 07:47:15 +01:00
|
|
|
int ver, const u8 *dest, u16 proto,
|
|
|
|
u8 *msg, size_t msg_len, u8 *key_mic);
|
2008-02-28 02:34:43 +01:00
|
|
|
int wpa_supplicant_send_2_of_4(struct wpa_sm *sm, const unsigned char *dst,
|
|
|
|
const struct wpa_eapol_key *key,
|
|
|
|
int ver, const u8 *nonce,
|
|
|
|
const u8 *wpa_ie, size_t wpa_ie_len,
|
|
|
|
struct wpa_ptk *ptk);
|
|
|
|
int wpa_supplicant_send_4_of_4(struct wpa_sm *sm, const unsigned char *dst,
|
|
|
|
const struct wpa_eapol_key *key,
|
|
|
|
u16 ver, u16 key_info,
|
|
|
|
struct wpa_ptk *ptk);
|
|
|
|
|
|
|
|
int wpa_derive_ptk_ft(struct wpa_sm *sm, const unsigned char *src_addr,
|
2015-01-25 15:49:18 +01:00
|
|
|
const struct wpa_eapol_key *key, struct wpa_ptk *ptk);
|
2008-02-28 02:34:43 +01:00
|
|
|
|
2011-01-21 19:51:55 +01:00
|
|
|
void wpa_tdls_assoc(struct wpa_sm *sm);
|
|
|
|
void wpa_tdls_disassoc(struct wpa_sm *sm);
|
|
|
|
|
2008-02-28 02:34:43 +01:00
|
|
|
#endif /* WPA_I_H */
|