mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-12-11 00:28:19 -05:00
af832aa998
This allows external programs to get the average channel utilization. The average channel utilization is calculated and reported through STATUS command. Users need to configure chan_util_avg_period and bss_load_update_period in hostapd config to get the average channel utilization. Signed-off-by: Bhagavathi Perumal S <bperumal@qti.qualcomm.com>
609 lines
17 KiB
C
609 lines
17 KiB
C
/*
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* hostapd / Initialization and configuration
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* Copyright (c) 2002-2014, 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 HOSTAPD_H
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#define HOSTAPD_H
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#include "common/defs.h"
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#include "utils/list.h"
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#include "ap_config.h"
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#include "drivers/driver.h"
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struct wpa_ctrl_dst;
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struct radius_server_data;
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struct upnp_wps_device_sm;
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struct hostapd_data;
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struct sta_info;
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struct ieee80211_ht_capabilities;
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struct full_dynamic_vlan;
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enum wps_event;
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union wps_event_data;
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#ifdef CONFIG_MESH
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struct mesh_conf;
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#endif /* CONFIG_MESH */
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struct hostapd_iface;
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struct hapd_interfaces {
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int (*reload_config)(struct hostapd_iface *iface);
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struct hostapd_config * (*config_read_cb)(const char *config_fname);
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int (*ctrl_iface_init)(struct hostapd_data *hapd);
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void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
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int (*for_each_interface)(struct hapd_interfaces *interfaces,
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int (*cb)(struct hostapd_iface *iface,
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void *ctx), void *ctx);
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int (*driver_init)(struct hostapd_iface *iface);
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size_t count;
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int global_ctrl_sock;
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struct dl_list global_ctrl_dst;
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char *global_iface_path;
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char *global_iface_name;
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#ifndef CONFIG_NATIVE_WINDOWS
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gid_t ctrl_iface_group;
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#endif /* CONFIG_NATIVE_WINDOWS */
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struct hostapd_iface **iface;
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size_t terminate_on_error;
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#ifndef CONFIG_NO_VLAN
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struct dynamic_iface *vlan_priv;
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#endif /* CONFIG_NO_VLAN */
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#ifdef CONFIG_ETH_P_OUI
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struct dl_list eth_p_oui; /* OUI Extended EtherType handlers */
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#endif /* CONFIG_ETH_P_OUI */
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int eloop_initialized;
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#ifdef CONFIG_DPP
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int dpp_init_done;
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struct dl_list dpp_bootstrap; /* struct dpp_bootstrap_info */
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struct dl_list dpp_configurator; /* struct dpp_configurator */
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#endif /* CONFIG_DPP */
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};
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enum hostapd_chan_status {
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HOSTAPD_CHAN_VALID = 0, /* channel is ready */
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HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
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HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
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};
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struct hostapd_probereq_cb {
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int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
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const u8 *ie, size_t ie_len, int ssi_signal);
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void *ctx;
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};
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#define HOSTAPD_RATE_BASIC 0x00000001
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struct hostapd_rate_data {
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int rate; /* rate in 100 kbps */
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int flags; /* HOSTAPD_RATE_ flags */
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};
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struct hostapd_frame_info {
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u32 channel;
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u32 datarate;
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int ssi_signal; /* dBm */
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};
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enum wps_status {
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WPS_STATUS_SUCCESS = 1,
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WPS_STATUS_FAILURE
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};
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enum pbc_status {
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WPS_PBC_STATUS_DISABLE,
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WPS_PBC_STATUS_ACTIVE,
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WPS_PBC_STATUS_TIMEOUT,
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WPS_PBC_STATUS_OVERLAP
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};
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struct wps_stat {
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enum wps_status status;
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enum wps_error_indication failure_reason;
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enum pbc_status pbc_status;
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u8 peer_addr[ETH_ALEN];
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};
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struct hostapd_neighbor_entry {
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struct dl_list list;
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u8 bssid[ETH_ALEN];
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struct wpa_ssid_value ssid;
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struct wpabuf *nr;
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struct wpabuf *lci;
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struct wpabuf *civic;
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/* LCI update time */
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struct os_time lci_date;
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int stationary;
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};
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/**
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* struct hostapd_data - hostapd per-BSS data structure
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*/
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struct hostapd_data {
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struct hostapd_iface *iface;
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struct hostapd_config *iconf;
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struct hostapd_bss_config *conf;
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int interface_added; /* virtual interface added for this BSS */
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unsigned int started:1;
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unsigned int disabled:1;
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unsigned int reenable_beacon:1;
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u8 own_addr[ETH_ALEN];
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int num_sta; /* number of entries in sta_list */
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struct sta_info *sta_list; /* STA info list head */
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#define STA_HASH_SIZE 256
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#define STA_HASH(sta) (sta[5])
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struct sta_info *sta_hash[STA_HASH_SIZE];
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/*
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* Bitfield for indicating which AIDs are allocated. Only AID values
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* 1-2007 are used and as such, the bit at index 0 corresponds to AID
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* 1.
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*/
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#define AID_WORDS ((2008 + 31) / 32)
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u32 sta_aid[AID_WORDS];
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const struct wpa_driver_ops *driver;
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void *drv_priv;
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void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
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struct sta_info *sta, int reassoc);
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void *msg_ctx; /* ctx for wpa_msg() calls */
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void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
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struct radius_client_data *radius;
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u64 acct_session_id;
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struct radius_das_data *radius_das;
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struct iapp_data *iapp;
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struct hostapd_cached_radius_acl *acl_cache;
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struct hostapd_acl_query_data *acl_queries;
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struct wpa_authenticator *wpa_auth;
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struct eapol_authenticator *eapol_auth;
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struct rsn_preauth_interface *preauth_iface;
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struct os_reltime michael_mic_failure;
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int michael_mic_failures;
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int tkip_countermeasures;
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int ctrl_sock;
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struct dl_list ctrl_dst;
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void *ssl_ctx;
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void *eap_sim_db_priv;
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struct radius_server_data *radius_srv;
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struct dl_list erp_keys; /* struct eap_server_erp_key */
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int parameter_set_count;
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/* Time Advertisement */
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u8 time_update_counter;
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struct wpabuf *time_adv;
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#ifdef CONFIG_FULL_DYNAMIC_VLAN
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struct full_dynamic_vlan *full_dynamic_vlan;
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#endif /* CONFIG_FULL_DYNAMIC_VLAN */
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struct l2_packet_data *l2;
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#ifdef CONFIG_IEEE80211R_AP
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struct dl_list l2_queue;
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struct dl_list l2_oui_queue;
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struct eth_p_oui_ctx *oui_pull;
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struct eth_p_oui_ctx *oui_resp;
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struct eth_p_oui_ctx *oui_push;
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struct eth_p_oui_ctx *oui_sreq;
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struct eth_p_oui_ctx *oui_sresp;
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#endif /* CONFIG_IEEE80211R_AP */
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struct wps_context *wps;
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int beacon_set_done;
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struct wpabuf *wps_beacon_ie;
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struct wpabuf *wps_probe_resp_ie;
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#ifdef CONFIG_WPS
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unsigned int ap_pin_failures;
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unsigned int ap_pin_failures_consecutive;
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struct upnp_wps_device_sm *wps_upnp;
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unsigned int ap_pin_lockout_time;
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struct wps_stat wps_stats;
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#endif /* CONFIG_WPS */
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struct hostapd_probereq_cb *probereq_cb;
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size_t num_probereq_cb;
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void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
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int freq);
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void *public_action_cb_ctx;
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void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
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int freq);
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void *public_action_cb2_ctx;
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int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
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int freq);
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void *vendor_action_cb_ctx;
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void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
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const u8 *uuid_e);
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void *wps_reg_success_cb_ctx;
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void (*wps_event_cb)(void *ctx, enum wps_event event,
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union wps_event_data *data);
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void *wps_event_cb_ctx;
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void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
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int authorized, const u8 *p2p_dev_addr);
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void *sta_authorized_cb_ctx;
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void (*setup_complete_cb)(void *ctx);
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void *setup_complete_cb_ctx;
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void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
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const u8 *p2p_dev_addr, const u8 *psk,
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size_t psk_len);
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void *new_psk_cb_ctx;
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/* channel switch parameters */
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struct hostapd_freq_params cs_freq_params;
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u8 cs_count;
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int cs_block_tx;
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unsigned int cs_c_off_beacon;
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unsigned int cs_c_off_proberesp;
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int csa_in_progress;
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unsigned int cs_c_off_ecsa_beacon;
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unsigned int cs_c_off_ecsa_proberesp;
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#ifdef CONFIG_P2P
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struct p2p_data *p2p;
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struct p2p_group *p2p_group;
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struct wpabuf *p2p_beacon_ie;
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struct wpabuf *p2p_probe_resp_ie;
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/* Number of non-P2P association stations */
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int num_sta_no_p2p;
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/* Periodic NoA (used only when no non-P2P clients in the group) */
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int noa_enabled;
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int noa_start;
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int noa_duration;
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#endif /* CONFIG_P2P */
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#ifdef CONFIG_PROXYARP
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struct l2_packet_data *sock_dhcp;
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struct l2_packet_data *sock_ndisc;
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#endif /* CONFIG_PROXYARP */
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#ifdef CONFIG_MESH
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int num_plinks;
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int max_plinks;
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void (*mesh_sta_free_cb)(struct hostapd_data *hapd,
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struct sta_info *sta);
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struct wpabuf *mesh_pending_auth;
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struct os_reltime mesh_pending_auth_time;
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u8 mesh_required_peer[ETH_ALEN];
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#endif /* CONFIG_MESH */
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#ifdef CONFIG_SQLITE
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struct hostapd_eap_user tmp_eap_user;
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#endif /* CONFIG_SQLITE */
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#ifdef CONFIG_SAE
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/** Key used for generating SAE anti-clogging tokens */
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u8 sae_token_key[8];
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struct os_reltime last_sae_token_key_update;
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int dot11RSNASAERetransPeriod; /* msec */
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#endif /* CONFIG_SAE */
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#ifdef CONFIG_TESTING_OPTIONS
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unsigned int ext_mgmt_frame_handling:1;
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unsigned int ext_eapol_frame_io:1;
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struct l2_packet_data *l2_test;
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enum wpa_alg last_gtk_alg;
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int last_gtk_key_idx;
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u8 last_gtk[WPA_GTK_MAX_LEN];
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size_t last_gtk_len;
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#ifdef CONFIG_IEEE80211W
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enum wpa_alg last_igtk_alg;
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int last_igtk_key_idx;
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u8 last_igtk[WPA_IGTK_MAX_LEN];
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size_t last_igtk_len;
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#endif /* CONFIG_IEEE80211W */
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#endif /* CONFIG_TESTING_OPTIONS */
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#ifdef CONFIG_MBO
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unsigned int mbo_assoc_disallow;
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/**
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* enable_oce - Enable OCE if it is enabled by user and device also
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* supports OCE.
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*/
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u8 enable_oce;
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#endif /* CONFIG_MBO */
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struct dl_list nr_db;
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u8 beacon_req_token;
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u8 lci_req_token;
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u8 range_req_token;
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unsigned int lci_req_active:1;
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unsigned int range_req_active:1;
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int dhcp_sock; /* UDP socket used with the DHCP server */
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#ifdef CONFIG_DPP
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int dpp_init_done;
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struct dpp_authentication *dpp_auth;
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u8 dpp_allowed_roles;
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int dpp_qr_mutual;
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int dpp_auth_ok_on_ack;
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struct gas_query_ap *gas;
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struct dpp_pkex *dpp_pkex;
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struct dpp_bootstrap_info *dpp_pkex_bi;
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char *dpp_pkex_code;
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char *dpp_pkex_identifier;
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char *dpp_pkex_auth_cmd;
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char *dpp_configurator_params;
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#ifdef CONFIG_TESTING_OPTIONS
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char *dpp_config_obj_override;
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char *dpp_discovery_override;
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char *dpp_groups_override;
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unsigned int dpp_ignore_netaccesskey_mismatch:1;
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#endif /* CONFIG_TESTING_OPTIONS */
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#endif /* CONFIG_DPP */
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};
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struct hostapd_sta_info {
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struct dl_list list;
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u8 addr[ETH_ALEN];
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struct os_reltime last_seen;
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int ssi_signal;
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#ifdef CONFIG_TAXONOMY
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struct wpabuf *probe_ie_taxonomy;
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#endif /* CONFIG_TAXONOMY */
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};
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/**
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* struct hostapd_iface - hostapd per-interface data structure
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*/
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struct hostapd_iface {
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struct hapd_interfaces *interfaces;
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void *owner;
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char *config_fname;
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struct hostapd_config *conf;
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char phy[16]; /* Name of the PHY (radio) */
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enum hostapd_iface_state {
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HAPD_IFACE_UNINITIALIZED,
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HAPD_IFACE_DISABLED,
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HAPD_IFACE_COUNTRY_UPDATE,
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HAPD_IFACE_ACS,
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HAPD_IFACE_HT_SCAN,
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HAPD_IFACE_DFS,
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HAPD_IFACE_ENABLED
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} state;
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#ifdef CONFIG_MESH
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struct mesh_conf *mconf;
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#endif /* CONFIG_MESH */
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size_t num_bss;
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struct hostapd_data **bss;
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unsigned int wait_channel_update:1;
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unsigned int cac_started:1;
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#ifdef CONFIG_FST
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struct fst_iface *fst;
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const struct wpabuf *fst_ies;
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#endif /* CONFIG_FST */
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/*
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* When set, indicates that the driver will handle the AP
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* teardown: delete global keys, station keys, and stations.
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*/
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unsigned int driver_ap_teardown:1;
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/*
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* When set, indicates that this interface is part of list of
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* interfaces that need to be started together (synchronously).
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*/
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unsigned int need_to_start_in_sync:1;
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/* Ready to start but waiting for other interfaces to become ready. */
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unsigned int ready_to_start_in_sync:1;
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int num_ap; /* number of entries in ap_list */
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struct ap_info *ap_list; /* AP info list head */
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struct ap_info *ap_hash[STA_HASH_SIZE];
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u64 drv_flags;
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/* SMPS modes supported by the driver (WPA_DRIVER_SMPS_MODE_*) */
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unsigned int smps_modes;
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/*
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* A bitmap of supported protocols for probe response offload. See
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* struct wpa_driver_capa in driver.h
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*/
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unsigned int probe_resp_offloads;
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/* extended capabilities supported by the driver */
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const u8 *extended_capa, *extended_capa_mask;
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unsigned int extended_capa_len;
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unsigned int drv_max_acl_mac_addrs;
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struct hostapd_hw_modes *hw_features;
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int num_hw_features;
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struct hostapd_hw_modes *current_mode;
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/* Rates that are currently used (i.e., filtered copy of
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* current_mode->channels */
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int num_rates;
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struct hostapd_rate_data *current_rates;
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int *basic_rates;
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int freq;
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u16 hw_flags;
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/* Number of associated Non-ERP stations (i.e., stations using 802.11b
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* in 802.11g BSS) */
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int num_sta_non_erp;
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/* Number of associated stations that do not support Short Slot Time */
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int num_sta_no_short_slot_time;
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/* Number of associated stations that do not support Short Preamble */
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int num_sta_no_short_preamble;
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int olbc; /* Overlapping Legacy BSS Condition */
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/* Number of HT associated stations that do not support greenfield */
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int num_sta_ht_no_gf;
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/* Number of associated non-HT stations */
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int num_sta_no_ht;
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/* Number of HT associated stations 20 MHz */
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int num_sta_ht_20mhz;
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/* Number of HT40 intolerant stations */
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int num_sta_ht40_intolerant;
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/* Overlapping BSS information */
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int olbc_ht;
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u16 ht_op_mode;
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/* surveying helpers */
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/* number of channels surveyed */
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unsigned int chans_surveyed;
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/* lowest observed noise floor in dBm */
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s8 lowest_nf;
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/* channel utilization calculation */
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u64 last_channel_time;
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u64 last_channel_time_busy;
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u8 channel_utilization;
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unsigned int chan_util_samples_sum;
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unsigned int chan_util_num_sample_periods;
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unsigned int chan_util_average;
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/* eCSA IE will be added only if operating class is specified */
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u8 cs_oper_class;
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unsigned int dfs_cac_ms;
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struct os_reltime dfs_cac_start;
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|
|
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/* Latched with the actual secondary channel information and will be
|
|
* used while juggling between HT20 and HT40 modes. */
|
|
int secondary_ch;
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|
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#ifdef CONFIG_ACS
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unsigned int acs_num_completed_scans;
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|
#endif /* CONFIG_ACS */
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|
|
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void (*scan_cb)(struct hostapd_iface *iface);
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int num_ht40_scan_tries;
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|
|
|
struct dl_list sta_seen; /* struct hostapd_sta_info */
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|
unsigned int num_sta_seen;
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|
|
|
u8 dfs_domain;
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|
};
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|
|
|
/* hostapd.c */
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int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
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int (*cb)(struct hostapd_iface *iface,
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|
void *ctx), void *ctx);
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|
int hostapd_reload_config(struct hostapd_iface *iface);
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|
struct hostapd_data *
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|
hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
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|
struct hostapd_config *conf,
|
|
struct hostapd_bss_config *bss);
|
|
int hostapd_setup_interface(struct hostapd_iface *iface);
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|
int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
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|
void hostapd_interface_deinit(struct hostapd_iface *iface);
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|
void hostapd_interface_free(struct hostapd_iface *iface);
|
|
struct hostapd_iface * hostapd_alloc_iface(void);
|
|
struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
|
|
const char *config_file);
|
|
struct hostapd_iface *
|
|
hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
|
|
const char *config_fname, int debug);
|
|
void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
|
|
int reassoc);
|
|
void hostapd_interface_deinit_free(struct hostapd_iface *iface);
|
|
int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
|
|
int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
|
|
int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
|
|
int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
|
|
int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
|
|
void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
|
|
void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
|
|
const char * hostapd_state_text(enum hostapd_iface_state s);
|
|
int hostapd_csa_in_progress(struct hostapd_iface *iface);
|
|
int hostapd_switch_channel(struct hostapd_data *hapd,
|
|
struct csa_settings *settings);
|
|
void
|
|
hostapd_switch_channel_fallback(struct hostapd_iface *iface,
|
|
const struct hostapd_freq_params *freq_params);
|
|
void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
|
|
void hostapd_periodic_iface(struct hostapd_iface *iface);
|
|
int hostapd_owe_trans_get_info(struct hostapd_data *hapd);
|
|
|
|
/* utils.c */
|
|
int hostapd_register_probereq_cb(struct hostapd_data *hapd,
|
|
int (*cb)(void *ctx, const u8 *sa,
|
|
const u8 *da, const u8 *bssid,
|
|
const u8 *ie, size_t ie_len,
|
|
int ssi_signal),
|
|
void *ctx);
|
|
void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
|
|
|
|
/* drv_callbacks.c (TODO: move to somewhere else?) */
|
|
void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
|
|
struct sta_info *sta);
|
|
int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
|
|
const u8 *ie, size_t ielen, int reassoc);
|
|
void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
|
|
void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
|
|
void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
|
|
const u8 *addr, int reason_code);
|
|
int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
|
|
const u8 *bssid, const u8 *ie, size_t ie_len,
|
|
int ssi_signal);
|
|
void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
|
|
int offset, int width, int cf1, int cf2);
|
|
struct survey_results;
|
|
void hostapd_event_get_survey(struct hostapd_iface *iface,
|
|
struct survey_results *survey_results);
|
|
void hostapd_acs_channel_selected(struct hostapd_data *hapd,
|
|
struct acs_selected_channels *acs_res);
|
|
|
|
const struct hostapd_eap_user *
|
|
hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
|
|
size_t identity_len, int phase2);
|
|
|
|
struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
|
|
const char *ifname);
|
|
|
|
#ifdef CONFIG_FST
|
|
void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,
|
|
struct fst_wpa_obj *iface_obj);
|
|
#endif /* CONFIG_FST */
|
|
|
|
#endif /* HOSTAPD_H */
|