256 lines
6.1 KiB
C
256 lines
6.1 KiB
C
/*
|
|
* hostapd / Initialization and configuration
|
|
* Host AP kernel driver
|
|
* Copyright (c) 2002-2006, Jouni Malinen <j@w1.fi>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of BSD
|
|
* license.
|
|
*
|
|
* See README and COPYING for more details.
|
|
*/
|
|
|
|
#ifndef HOSTAPD_H
|
|
#define HOSTAPD_H
|
|
|
|
#include "common.h"
|
|
#include "ap.h"
|
|
|
|
#ifndef ETH_ALEN
|
|
#define ETH_ALEN 6
|
|
#endif
|
|
#ifndef IFNAMSIZ
|
|
#define IFNAMSIZ 16
|
|
#endif
|
|
#ifndef ETH_P_ALL
|
|
#define ETH_P_ALL 0x0003
|
|
#endif
|
|
#ifndef ETH_P_PAE
|
|
#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
|
|
#endif /* ETH_P_PAE */
|
|
|
|
#ifndef BIT
|
|
#define BIT(x) (1 << (x))
|
|
#endif
|
|
|
|
#ifndef MAC2STR
|
|
#define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
|
|
#define MACSTR "%02x:%02x:%02x:%02x:%02x:%02x"
|
|
#endif
|
|
|
|
#include "config.h"
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma pack(push, 1)
|
|
#endif /* _MSC_VER */
|
|
|
|
#define MAX_VLAN_ID 4094
|
|
|
|
struct ieee8023_hdr {
|
|
u8 dest[6];
|
|
u8 src[6];
|
|
u16 ethertype;
|
|
} STRUCT_PACKED;
|
|
|
|
|
|
struct ieee80211_hdr {
|
|
u16 frame_control;
|
|
u16 duration_id;
|
|
u8 addr1[6];
|
|
u8 addr2[6];
|
|
u8 addr3[6];
|
|
u16 seq_ctrl;
|
|
/* followed by 'u8 addr4[6];' if ToDS and FromDS is set in data frame
|
|
*/
|
|
} STRUCT_PACKED;
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma pack(pop)
|
|
#endif /* _MSC_VER */
|
|
|
|
#define IEEE80211_DA_FROMDS addr1
|
|
#define IEEE80211_BSSID_FROMDS addr2
|
|
#define IEEE80211_SA_FROMDS addr3
|
|
|
|
#define IEEE80211_HDRLEN (sizeof(struct ieee80211_hdr))
|
|
|
|
#define IEEE80211_FC(type, stype) host_to_le16((type << 2) | (stype << 4))
|
|
|
|
/* MTU to be set for the wlan#ap device; this is mainly needed for IEEE 802.1X
|
|
* frames that might be longer than normal default MTU and they are not
|
|
* fragmented */
|
|
#define HOSTAPD_MTU 2290
|
|
|
|
extern unsigned char rfc1042_header[6];
|
|
|
|
struct hostap_sta_driver_data {
|
|
unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes;
|
|
unsigned long current_tx_rate;
|
|
unsigned long inactive_msec;
|
|
unsigned long flags;
|
|
unsigned long num_ps_buf_frames;
|
|
unsigned long tx_retry_failed;
|
|
unsigned long tx_retry_count;
|
|
int last_rssi;
|
|
int last_ack_rssi;
|
|
};
|
|
|
|
struct driver_ops;
|
|
struct wpa_ctrl_dst;
|
|
struct radius_server_data;
|
|
|
|
#ifdef CONFIG_FULL_DYNAMIC_VLAN
|
|
struct full_dynamic_vlan;
|
|
#endif /* CONFIG_FULL_DYNAMIC_VLAN */
|
|
|
|
/**
|
|
* struct hostapd_data - hostapd per-BSS data structure
|
|
*/
|
|
struct hostapd_data {
|
|
struct hostapd_iface *iface;
|
|
struct hostapd_config *iconf;
|
|
struct hostapd_bss_config *conf;
|
|
int interface_added; /* virtual interface added for this BSS */
|
|
|
|
u8 own_addr[ETH_ALEN];
|
|
|
|
int num_sta; /* number of entries in sta_list */
|
|
struct sta_info *sta_list; /* STA info list head */
|
|
struct sta_info *sta_hash[STA_HASH_SIZE];
|
|
|
|
/* pointers to STA info; based on allocated AID or NULL if AID free
|
|
* AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1
|
|
* and so on
|
|
*/
|
|
struct sta_info *sta_aid[MAX_AID_TABLE_SIZE];
|
|
|
|
struct driver_ops *driver;
|
|
|
|
u8 *default_wep_key;
|
|
u8 default_wep_key_idx;
|
|
|
|
struct radius_client_data *radius;
|
|
int radius_client_reconfigured;
|
|
u32 acct_session_id_hi, acct_session_id_lo;
|
|
|
|
struct iapp_data *iapp;
|
|
|
|
enum { DO_NOT_ASSOC = 0, WAIT_BEACON, AUTHENTICATE, ASSOCIATE,
|
|
ASSOCIATED } assoc_ap_state;
|
|
char assoc_ap_ssid[33];
|
|
int assoc_ap_ssid_len;
|
|
u16 assoc_ap_aid;
|
|
|
|
struct hostapd_cached_radius_acl *acl_cache;
|
|
struct hostapd_acl_query_data *acl_queries;
|
|
|
|
struct wpa_authenticator *wpa_auth;
|
|
|
|
struct rsn_preauth_interface *preauth_iface;
|
|
time_t michael_mic_failure;
|
|
int michael_mic_failures;
|
|
int tkip_countermeasures;
|
|
|
|
int ctrl_sock;
|
|
struct wpa_ctrl_dst *ctrl_dst;
|
|
|
|
void *ssl_ctx;
|
|
void *eap_sim_db_priv;
|
|
struct radius_server_data *radius_srv;
|
|
|
|
int parameter_set_count;
|
|
|
|
#ifdef CONFIG_FULL_DYNAMIC_VLAN
|
|
struct full_dynamic_vlan *full_dynamic_vlan;
|
|
#endif /* CONFIG_FULL_DYNAMIC_VLAN */
|
|
};
|
|
|
|
|
|
/**
|
|
* hostapd_iface_cb - Generic callback type for per-iface asynchronous requests
|
|
* @iface: the interface the event occured on.
|
|
* @status: 0 if the request succeeded; -1 if the request failed.
|
|
*/
|
|
typedef void (*hostapd_iface_cb)(struct hostapd_iface *iface, int status);
|
|
|
|
|
|
struct hostapd_config_change;
|
|
|
|
/**
|
|
* struct hostapd_iface - hostapd per-interface data structure
|
|
*/
|
|
struct hostapd_iface {
|
|
char *config_fname;
|
|
struct hostapd_config *conf;
|
|
|
|
hostapd_iface_cb setup_cb;
|
|
|
|
size_t num_bss;
|
|
struct hostapd_data **bss;
|
|
|
|
int num_ap; /* number of entries in ap_list */
|
|
struct ap_info *ap_list; /* AP info list head */
|
|
struct ap_info *ap_hash[STA_HASH_SIZE];
|
|
struct ap_info *ap_iter_list;
|
|
|
|
struct hostapd_hw_modes *hw_features;
|
|
int num_hw_features;
|
|
struct hostapd_hw_modes *current_mode;
|
|
/* Rates that are currently used (i.e., filtered copy of
|
|
* current_mode->channels */
|
|
int num_rates;
|
|
struct hostapd_rate_data *current_rates;
|
|
hostapd_iface_cb hw_mode_sel_cb;
|
|
|
|
u16 hw_flags;
|
|
|
|
/* Number of associated Non-ERP stations (i.e., stations using 802.11b
|
|
* in 802.11g BSS) */
|
|
int num_sta_non_erp;
|
|
|
|
/* Number of associated stations that do not support Short Slot Time */
|
|
int num_sta_no_short_slot_time;
|
|
|
|
/* Number of associated stations that do not support Short Preamble */
|
|
int num_sta_no_short_preamble;
|
|
|
|
int olbc; /* Overlapping Legacy BSS Condition */
|
|
|
|
int dfs_enable;
|
|
u8 pwr_const;
|
|
unsigned int tx_power;
|
|
unsigned int sta_max_power;
|
|
|
|
unsigned int channel_switch;
|
|
|
|
struct hostapd_config_change *change;
|
|
hostapd_iface_cb reload_iface_cb;
|
|
hostapd_iface_cb config_reload_cb;
|
|
};
|
|
|
|
void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
|
|
int reassoc);
|
|
void hostapd_logger(struct hostapd_data *hapd, const u8 *addr,
|
|
unsigned int module, int level, const char *fmt,
|
|
...) PRINTF_FORMAT(5, 6);
|
|
|
|
|
|
#ifndef _MSC_VER
|
|
#define HOSTAPD_DEBUG(level, args...) \
|
|
do { \
|
|
if (hapd->conf == NULL || hapd->conf->debug >= (level)) \
|
|
printf(args); \
|
|
} while (0)
|
|
#endif /* _MSC_VER */
|
|
|
|
#define HOSTAPD_DEBUG_COND(level) (hapd->conf->debug >= (level))
|
|
|
|
const char * hostapd_ip_txt(const struct hostapd_ip_addr *addr, char *buf,
|
|
size_t buflen);
|
|
int hostapd_ip_diff(struct hostapd_ip_addr *a, struct hostapd_ip_addr *b);
|
|
|
|
#endif /* HOSTAPD_H */
|