18c0ac8901
This information was already available from the nl80211 control port RX path, but it was not provided to upper layers within wpa_supplicant and hostapd. It can be helpful, so parse the information from the driver event. Signed-off-by: Jouni Malinen <j@w1.fi>
416 lines
13 KiB
C
416 lines
13 KiB
C
/*
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* hostapd / Station table
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* Copyright (c) 2002-2017, 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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#ifndef STA_INFO_H
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#define STA_INFO_H
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#include "common/defs.h"
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#include "list.h"
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#include "vlan.h"
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#include "common/wpa_common.h"
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#include "common/ieee802_11_defs.h"
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#include "common/sae.h"
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#include "crypto/sha384.h"
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/* STA flags */
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#define WLAN_STA_AUTH BIT(0)
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#define WLAN_STA_ASSOC BIT(1)
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#define WLAN_STA_AUTHORIZED BIT(5)
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#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
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#define WLAN_STA_SHORT_PREAMBLE BIT(7)
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#define WLAN_STA_PREAUTH BIT(8)
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#define WLAN_STA_WMM BIT(9)
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#define WLAN_STA_MFP BIT(10)
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#define WLAN_STA_HT BIT(11)
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#define WLAN_STA_WPS BIT(12)
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#define WLAN_STA_MAYBE_WPS BIT(13)
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#define WLAN_STA_WDS BIT(14)
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#define WLAN_STA_ASSOC_REQ_OK BIT(15)
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#define WLAN_STA_WPS2 BIT(16)
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#define WLAN_STA_GAS BIT(17)
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#define WLAN_STA_VHT BIT(18)
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#define WLAN_STA_WNM_SLEEP_MODE BIT(19)
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#define WLAN_STA_VHT_OPMODE_ENABLED BIT(20)
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#define WLAN_STA_VENDOR_VHT BIT(21)
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#define WLAN_STA_PENDING_FILS_ERP BIT(22)
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#define WLAN_STA_MULTI_AP BIT(23)
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#define WLAN_STA_HE BIT(24)
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#define WLAN_STA_6GHZ BIT(25)
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#define WLAN_STA_PENDING_PASN_FILS_ERP BIT(26)
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#define WLAN_STA_EHT BIT(27)
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#define WLAN_STA_PENDING_DISASSOC_CB BIT(29)
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#define WLAN_STA_PENDING_DEAUTH_CB BIT(30)
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#define WLAN_STA_NONERP BIT(31)
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/* Maximum number of supported rates (from both Supported Rates and Extended
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* Supported Rates IEs). */
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#define WLAN_SUPP_RATES_MAX 32
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struct hostapd_data;
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struct mbo_non_pref_chan_info {
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struct mbo_non_pref_chan_info *next;
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u8 op_class;
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u8 pref;
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u8 reason_code;
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u8 num_channels;
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u8 channels[];
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};
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struct pending_eapol_rx {
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struct wpabuf *buf;
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struct os_reltime rx_time;
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enum frame_encryption encrypted;
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};
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enum pasn_fils_state {
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PASN_FILS_STATE_NONE = 0,
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PASN_FILS_STATE_PENDING_AS,
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PASN_FILS_STATE_COMPLETE
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};
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struct pasn_fils_data {
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u8 state;
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u8 nonce[FILS_NONCE_LEN];
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u8 anonce[FILS_NONCE_LEN];
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u8 session[FILS_SESSION_LEN];
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u8 erp_pmkid[PMKID_LEN];
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struct wpabuf *erp_resp;
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};
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struct pasn_data {
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int akmp;
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int cipher;
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u16 group;
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u8 trans_seq;
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u8 wrapped_data_format;
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size_t kdk_len;
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u8 hash[SHA384_MAC_LEN];
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struct wpa_ptk ptk;
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struct crypto_ecdh *ecdh;
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struct wpabuf *secret;
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#ifdef CONFIG_SAE
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struct sae_data sae;
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#endif /* CONFIG_SAE */
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#ifdef CONFIG_FILS
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struct pasn_fils_data fils;
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#endif /* CONFIG_FILS */
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};
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struct sta_info {
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struct sta_info *next; /* next entry in sta list */
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struct sta_info *hnext; /* next entry in hash table list */
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u8 addr[6];
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be32 ipaddr;
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struct dl_list ip6addr; /* list head for struct ip6addr */
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u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */
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u16 disconnect_reason_code; /* RADIUS server override */
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u32 flags; /* Bitfield of WLAN_STA_* */
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u16 capability;
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u16 listen_interval; /* or beacon_int for APs */
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u8 supported_rates[WLAN_SUPP_RATES_MAX];
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int supported_rates_len;
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u8 qosinfo; /* Valid when WLAN_STA_WMM is set */
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#ifdef CONFIG_MESH
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enum mesh_plink_state plink_state;
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u16 peer_lid;
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u16 my_lid;
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u16 peer_aid;
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u16 mpm_close_reason;
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int mpm_retries;
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u8 my_nonce[WPA_NONCE_LEN];
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u8 peer_nonce[WPA_NONCE_LEN];
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u8 aek[32]; /* SHA256 digest length */
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u8 mtk[WPA_TK_MAX_LEN];
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size_t mtk_len;
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u8 mgtk_rsc[6];
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u8 mgtk_key_id;
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u8 mgtk[WPA_TK_MAX_LEN];
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size_t mgtk_len;
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u8 igtk_rsc[6];
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u8 igtk[WPA_TK_MAX_LEN];
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size_t igtk_len;
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u16 igtk_key_id;
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u8 sae_auth_retry;
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#endif /* CONFIG_MESH */
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unsigned int nonerp_set:1;
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unsigned int no_short_slot_time_set:1;
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unsigned int no_short_preamble_set:1;
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unsigned int no_ht_gf_set:1;
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unsigned int no_ht_set:1;
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unsigned int ht40_intolerant_set:1;
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unsigned int ht_20mhz_set:1;
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unsigned int no_p2p_set:1;
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unsigned int qos_map_enabled:1;
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unsigned int remediation:1;
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unsigned int hs20_deauth_requested:1;
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unsigned int session_timeout_set:1;
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unsigned int radius_das_match:1;
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unsigned int ecsa_supported:1;
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unsigned int added_unassoc:1;
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unsigned int pending_wds_enable:1;
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unsigned int power_capab:1;
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unsigned int agreed_to_steer:1;
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unsigned int hs20_t_c_filtering:1;
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unsigned int ft_over_ds:1;
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unsigned int external_dh_updated:1;
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unsigned int post_csa_sa_query:1;
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u16 auth_alg;
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enum {
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STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE,
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STA_DISASSOC_FROM_CLI
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} timeout_next;
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u16 deauth_reason;
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u16 disassoc_reason;
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/* IEEE 802.1X related data */
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struct eapol_state_machine *eapol_sm;
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struct pending_eapol_rx *pending_eapol_rx;
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u64 acct_session_id;
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struct os_reltime acct_session_start;
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int acct_session_started;
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int acct_terminate_cause; /* Acct-Terminate-Cause */
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int acct_interim_interval; /* Acct-Interim-Interval */
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unsigned int acct_interim_errors;
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/* For extending 32-bit driver counters to 64-bit counters */
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u32 last_rx_bytes_hi;
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u32 last_rx_bytes_lo;
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u32 last_tx_bytes_hi;
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u32 last_tx_bytes_lo;
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u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */
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struct wpa_state_machine *wpa_sm;
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struct rsn_preauth_interface *preauth_iface;
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int vlan_id; /* 0: none, >0: VID */
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struct vlan_description *vlan_desc;
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int vlan_id_bound; /* updated by ap_sta_bind_vlan() */
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/* PSKs from RADIUS authentication server */
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struct hostapd_sta_wpa_psk_short *psk;
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char *identity; /* User-Name from RADIUS */
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char *radius_cui; /* Chargeable-User-Identity from RADIUS */
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struct ieee80211_ht_capabilities *ht_capabilities;
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struct ieee80211_vht_capabilities *vht_capabilities;
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struct ieee80211_vht_operation *vht_operation;
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u8 vht_opmode;
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struct ieee80211_he_capabilities *he_capab;
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size_t he_capab_len;
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struct ieee80211_he_6ghz_band_cap *he_6ghz_capab;
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struct ieee80211_eht_capabilities *eht_capab;
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size_t eht_capab_len;
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int sa_query_count; /* number of pending SA Query requests;
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* 0 = no SA Query in progress */
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int sa_query_timed_out;
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u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
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* sa_query_count octets of pending SA Query
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* transaction identifiers */
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struct os_reltime sa_query_start;
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#if defined(CONFIG_INTERWORKING) || defined(CONFIG_DPP)
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#define GAS_DIALOG_MAX 8 /* Max concurrent dialog number */
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struct gas_dialog_info *gas_dialog;
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u8 gas_dialog_next;
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#endif /* CONFIG_INTERWORKING || CONFIG_DPP */
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struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */
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struct wpabuf *p2p_ie; /* P2P IE from (Re)Association Request */
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struct wpabuf *hs20_ie; /* HS 2.0 IE from (Re)Association Request */
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/* Hotspot 2.0 Roaming Consortium from (Re)Association Request */
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struct wpabuf *roaming_consortium;
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u8 remediation_method;
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char *remediation_url; /* HS 2.0 Subscription Remediation Server URL */
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char *t_c_url; /* HS 2.0 Terms and Conditions Server URL */
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struct wpabuf *hs20_deauth_req;
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char *hs20_session_info_url;
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int hs20_disassoc_timer;
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#ifdef CONFIG_FST
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struct wpabuf *mb_ies; /* MB IEs from (Re)Association Request */
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#endif /* CONFIG_FST */
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struct os_reltime connected_time;
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#ifdef CONFIG_SAE
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struct sae_data *sae;
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unsigned int mesh_sae_pmksa_caching:1;
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#endif /* CONFIG_SAE */
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/* valid only if session_timeout_set == 1 */
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struct os_reltime session_timeout;
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/* Last Authentication/(Re)Association Request/Action frame sequence
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* control */
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u16 last_seq_ctrl;
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/* Last Authentication/(Re)Association Request/Action frame subtype */
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u8 last_subtype;
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#ifdef CONFIG_MBO
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u8 cell_capa; /* 0 = unknown (not an MBO STA); otherwise,
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* enum mbo_cellular_capa values */
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struct mbo_non_pref_chan_info *non_pref_chan;
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int auth_rssi; /* Last Authentication frame RSSI */
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#endif /* CONFIG_MBO */
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u8 *supp_op_classes; /* Supported Operating Classes element, if
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* received, starting from the Length field */
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u8 rrm_enabled_capa[5];
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s8 min_tx_power;
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s8 max_tx_power;
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#ifdef CONFIG_TAXONOMY
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struct wpabuf *probe_ie_taxonomy;
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struct wpabuf *assoc_ie_taxonomy;
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#endif /* CONFIG_TAXONOMY */
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#ifdef CONFIG_FILS
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u8 fils_snonce[FILS_NONCE_LEN];
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u8 fils_session[FILS_SESSION_LEN];
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u8 fils_erp_pmkid[PMKID_LEN];
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u8 *fils_pending_assoc_req;
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size_t fils_pending_assoc_req_len;
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unsigned int fils_pending_assoc_is_reassoc:1;
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unsigned int fils_dhcp_rapid_commit_proxy:1;
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unsigned int fils_erp_pmkid_set:1;
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unsigned int fils_drv_assoc_finish:1;
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struct wpabuf *fils_hlp_resp;
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struct wpabuf *hlp_dhcp_discover;
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void (*fils_pending_cb)(struct hostapd_data *hapd, struct sta_info *sta,
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u16 resp, struct wpabuf *data, int pub);
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#ifdef CONFIG_FILS_SK_PFS
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struct crypto_ecdh *fils_ecdh;
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#endif /* CONFIG_FILS_SK_PFS */
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struct wpabuf *fils_dh_ss;
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struct wpabuf *fils_g_sta;
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#endif /* CONFIG_FILS */
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#ifdef CONFIG_OWE
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u8 *owe_pmk;
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size_t owe_pmk_len;
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struct crypto_ecdh *owe_ecdh;
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u16 owe_group;
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#endif /* CONFIG_OWE */
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u8 *ext_capability;
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char *ifname_wds; /* WDS ifname, if in use */
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#ifdef CONFIG_DPP2
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struct dpp_pfs *dpp_pfs;
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#endif /* CONFIG_DPP2 */
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#ifdef CONFIG_TESTING_OPTIONS
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enum wpa_alg last_tk_alg;
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int last_tk_key_idx;
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u8 last_tk[WPA_TK_MAX_LEN];
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size_t last_tk_len;
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u8 *sae_postponed_commit;
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size_t sae_postponed_commit_len;
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#endif /* CONFIG_TESTING_OPTIONS */
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#ifdef CONFIG_AIRTIME_POLICY
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unsigned int airtime_weight;
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struct os_reltime backlogged_until;
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#endif /* CONFIG_AIRTIME_POLICY */
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#ifdef CONFIG_PASN
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struct pasn_data *pasn;
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#endif /* CONFIG_PASN */
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};
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/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has
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* passed since last received frame from the station, a nullfunc data frame is
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* sent to the station. If this frame is not acknowledged and no other frames
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* have been received, the station will be disassociated after
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* AP_DISASSOC_DELAY seconds. Similarly, the station will be deauthenticated
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* after AP_DEAUTH_DELAY seconds has passed after disassociation. */
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#define AP_MAX_INACTIVITY (5 * 60)
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#define AP_DISASSOC_DELAY (3)
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#define AP_DEAUTH_DELAY (1)
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/* Number of seconds to keep STA entry with Authenticated flag after it has
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* been disassociated. */
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#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30)
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/* Number of seconds to keep STA entry after it has been deauthenticated. */
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#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5)
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int ap_for_each_sta(struct hostapd_data *hapd,
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int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
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void *ctx),
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void *ctx);
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struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta);
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struct sta_info * ap_get_sta_p2p(struct hostapd_data *hapd, const u8 *addr);
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void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_sta_ip6addr_del(struct hostapd_data *hapd, struct sta_info *sta);
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void hostapd_free_stas(struct hostapd_data *hapd);
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void ap_handle_timer(void *eloop_ctx, void *timeout_ctx);
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void ap_sta_replenish_timeout(struct hostapd_data *hapd, struct sta_info *sta,
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u32 session_timeout);
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void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
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u32 session_timeout);
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void ap_sta_no_session_timeout(struct hostapd_data *hapd,
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struct sta_info *sta);
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void ap_sta_session_warning_timeout(struct hostapd_data *hapd,
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struct sta_info *sta, int warning_time);
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struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr);
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void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
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u16 reason);
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void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
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u16 reason);
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#ifdef CONFIG_WPS
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int ap_sta_wps_cancel(struct hostapd_data *hapd,
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struct sta_info *sta, void *ctx);
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#endif /* CONFIG_WPS */
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int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta);
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int ap_sta_set_vlan(struct hostapd_data *hapd, struct sta_info *sta,
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struct vlan_description *vlan_desc);
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void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
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int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta);
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const char * ap_sta_wpa_get_keyid(struct hostapd_data *hapd,
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struct sta_info *sta);
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void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
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const u8 *addr, u16 reason);
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void ap_sta_set_authorized(struct hostapd_data *hapd,
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struct sta_info *sta, int authorized);
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static inline int ap_sta_is_authorized(struct sta_info *sta)
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{
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return sta->flags & WLAN_STA_AUTHORIZED;
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}
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void ap_sta_deauth_cb(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_sta_disassoc_cb(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_sta_clear_disconnect_timeouts(struct hostapd_data *hapd,
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struct sta_info *sta);
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int ap_sta_flags_txt(u32 flags, char *buf, size_t buflen);
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void ap_sta_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd,
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struct sta_info *sta);
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int ap_sta_pending_delayed_1x_auth_fail_disconnect(struct hostapd_data *hapd,
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struct sta_info *sta);
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int ap_sta_re_add(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_free_sta_pasn(struct hostapd_data *hapd, struct sta_info *sta);
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#endif /* STA_INFO_H */
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