freebsd-dev/contrib/wpa_supplicant/wpa_supplicant_i.h
Sam Leffler 1c3c13af99 stripped down import of wpa_supplicant v0.3.9
Approved by:	re (dwhite)
2005-06-13 16:43:14 +00:00

471 lines
12 KiB
C

#ifndef WPA_SUPPLICANT_I_H
#define WPA_SUPPLICANT_I_H
#include "driver.h"
#ifdef EAPOL_TEST
#include <netinet/in.h>
struct hostapd_radius_server {
struct in_addr addr;
int port;
u8 *shared_secret;
size_t shared_secret_len;
};
#endif /* EAPOL_TEST */
#define PMKID_LEN 16
struct rsn_pmksa_cache {
struct rsn_pmksa_cache *next;
u8 pmkid[PMKID_LEN];
u8 pmk[PMK_LEN];
size_t pmk_len;
time_t expiration;
int akmp; /* WPA_KEY_MGMT_* */
u8 aa[ETH_ALEN];
};
struct rsn_pmksa_candidate {
struct rsn_pmksa_candidate *next;
u8 bssid[ETH_ALEN];
int priority;
};
struct wpa_ptk {
u8 mic_key[16]; /* EAPOL-Key MIC Key (MK) */
u8 encr_key[16]; /* EAPOL-Key Encryption Key (EK) */
u8 tk1[16]; /* Temporal Key 1 (TK1) */
union {
u8 tk2[16]; /* Temporal Key 2 (TK2) */
struct {
u8 tx_mic_key[8];
u8 rx_mic_key[8];
} auth;
} u;
} __attribute__ ((packed));
struct wpa_blacklist {
struct wpa_blacklist *next;
u8 bssid[ETH_ALEN];
int count;
};
struct wpa_supplicant {
struct wpa_supplicant *head;
struct wpa_supplicant *next;
struct l2_packet_data *l2;
unsigned char own_addr[ETH_ALEN];
char ifname[100];
#ifdef CONFIG_XSUPPLICANT_IFACE
int dot1x_s; /* socket for connection to Xsupplicant */
int ext_pmk_received; /* 1 = PMK was received from Xsupplicant */
#endif /* CONFIG_XSUPPLICANT_IFACE */
u8 pmk[PMK_LEN];
size_t pmk_len;
u8 snonce[WPA_NONCE_LEN];
u8 anonce[WPA_NONCE_LEN]; /* ANonce from the last 1/4 msg */
struct wpa_ptk ptk, tptk;
int ptk_set, tptk_set;
int renew_snonce;
char *confname;
struct wpa_config *conf;
u8 request_counter[WPA_REPLAY_COUNTER_LEN];
int countermeasures;
time_t last_michael_mic_error;
u8 rx_replay_counter[WPA_REPLAY_COUNTER_LEN];
int rx_replay_counter_set;
u8 bssid[ETH_ALEN];
int reassociate; /* reassociation requested */
struct wpa_ssid *current_ssid;
u8 *ap_wpa_ie, *ap_rsn_ie;
size_t ap_wpa_ie_len, ap_rsn_ie_len;
u8 *assoc_wpa_ie;
size_t assoc_wpa_ie_len;
/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
int proto;
int pairwise_cipher;
int group_cipher;
int key_mgmt;
void *drv_priv; /* private data used by driver_ops */
struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
* NULL = not yet initialized (start
* with broadcast SSID)
* BROADCAST_SSID_SCAN = broadcast
* SSID was used in the previous scan
*/
#define BROADCAST_SSID_SCAN ((struct wpa_ssid *) 1)
struct wpa_scan_result *scan_results;
int num_scan_results;
struct wpa_driver_ops *driver;
int interface_removed; /* whether the network interface has been
* removed */
struct eapol_sm *eapol;
int ctrl_sock; /* UNIX domain socket for control interface or -1 if
* not used */
struct wpa_ctrl_dst *ctrl_dst;
enum {
WPA_DISCONNECTED, WPA_SCANNING, WPA_ASSOCIATING,
WPA_ASSOCIATED, WPA_4WAY_HANDSHAKE, WPA_GROUP_HANDSHAKE,
WPA_COMPLETED
} wpa_state;
struct rsn_pmksa_cache *pmksa; /* PMKSA cache */
int pmksa_count; /* number of entries in PMKSA cache */
struct rsn_pmksa_cache *cur_pmksa; /* current PMKSA entry */
struct rsn_pmksa_candidate *pmksa_candidates;
struct l2_packet_data *l2_preauth;
u8 preauth_bssid[ETH_ALEN]; /* current RSN pre-auth peer or
* 00:00:00:00:00:00 if no pre-auth is
* in progress */
struct eapol_sm *preauth_eapol;
int eapol_received; /* number of EAPOL packets received after the
* previous association event */
u8 *imsi;
size_t imsi_len;
struct scard_data *scard;
unsigned char last_eapol_src[ETH_ALEN];
int keys_cleared;
struct wpa_blacklist *blacklist;
#ifdef EAPOL_TEST
u8 radius_identifier;
struct radius_msg *last_recv_radius;
struct in_addr own_ip_addr;
struct radius_client_data *radius;
/* RADIUS Authentication and Accounting servers in priority order */
struct hostapd_radius_server *auth_servers, *auth_server;
int num_auth_servers;
struct hostapd_radius_server *acct_servers, *acct_server;
int num_acct_servers;
int radius_retry_primary_interval;
int radius_acct_interim_interval;
u8 *last_eap_radius; /* last received EAP Response from Authentication
* Server */
size_t last_eap_radius_len;
u8 authenticator_pmk[PMK_LEN];
size_t authenticator_pmk_len;
int radius_access_accept_received;
int radius_access_reject_received;
int auth_timed_out;
u8 *eap_identity;
size_t eap_identity_len;
#endif /* EAPOL_TEST */
};
/* wpa_supplicant.c */
void wpa_supplicant_scan(void *eloop_ctx, void *timeout_ctx);
void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);
void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);
void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
int reason_code);
void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
int reason_code);
void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
int sec, int usec);
void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
int wpa_supplicant_get_beacon_ie(struct wpa_supplicant *wpa_s);
/* wpa.c */
void wpa_supplicant_key_request(struct wpa_supplicant *wpa_s,
int error, int pairwise);
struct wpa_ie_data {
int proto;
int pairwise_cipher;
int group_cipher;
int key_mgmt;
int capabilities;
int num_pmkid;
u8 *pmkid;
};
int wpa_parse_wpa_ie(struct wpa_supplicant *wpa_s, u8 *wpa_ie,
size_t wpa_ie_len, struct wpa_ie_data *data);
int wpa_gen_wpa_ie(struct wpa_supplicant *wpa_s, u8 *wpa_ie);
void wpa_supplicant_rx_eapol(void *ctx, unsigned char *src_addr,
unsigned char *buf, size_t len);
struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
void pmksa_cache_free(struct wpa_supplicant *wpa_s);
struct rsn_pmksa_cache * pmksa_cache_get(struct wpa_supplicant *wpa_s,
u8 *aa, u8 *pmkid);
int pmksa_cache_list(struct wpa_supplicant *wpa_s, char *buf, size_t len);
void pmksa_candidate_free(struct wpa_supplicant *wpa_s);
int wpa_get_mib(struct wpa_supplicant *wpa_s, char *buf, size_t buflen);
struct wpa_scan_result;
#ifdef IEEE8021X_EAPOL
int rsn_preauth_init(struct wpa_supplicant *wpa_s, u8 *dst);
void rsn_preauth_deinit(struct wpa_supplicant *wpa_s);
void rsn_preauth_scan_results(struct wpa_supplicant *wpa_s,
struct wpa_scan_result *results, int count);
void pmksa_candidate_add(struct wpa_supplicant *wpa_s, const u8 *bssid,
int prio);
#else /* IEEE8021X_EAPOL */
static inline int rsn_preauth_init(struct wpa_supplicant *wpa_s, u8 *dst)
{
return -1;
}
static inline void rsn_preauth_deinit(struct wpa_supplicant *wpa_s)
{
}
static inline void rsn_preauth_scan_results(struct wpa_supplicant *wpa_s,
struct wpa_scan_result *results,
int count)
{
}
static inline void pmksa_candidate_add(struct wpa_supplicant *wpa_s,
const u8 *bssid,
int prio)
{
}
#endif /* IEEE8021X_EAPOL */
void wpa_supplicant_notify_eapol_done(void *ctx);
/**
* wpa_eapol_send - send IEEE 802.1X EAPOL packet to the Authenticator
* @ctx: pointer to wpa_supplicant data
* @type: IEEE 802.1X packet type (IEEE802_1X_TYPE_*)
* @buf: EAPOL payload (after IEEE 802.1X header)
* @len: EAPOL payload length
*
* This function adds Ethernet and IEEE 802.1X header and sends the EAPOL frame
* to the current Authenticator or in case of pre-authentication, to the peer
* of the authentication.
*/
int wpa_eapol_send(void *ctx, int type, u8 *buf, size_t len);
int wpa_eapol_send_preauth(void *ctx, int type, u8 *buf, size_t len);
/* driver_ops */
static inline void * wpa_drv_init(struct wpa_supplicant *wpa_s,
const char *ifname)
{
if (wpa_s->driver->init) {
return wpa_s->driver->init(wpa_s, ifname);
}
return NULL;
}
static inline void wpa_drv_deinit(struct wpa_supplicant *wpa_s)
{
if (wpa_s->driver->deinit)
wpa_s->driver->deinit(wpa_s->drv_priv);
}
static inline int wpa_drv_set_drop_unencrypted(struct wpa_supplicant *wpa_s,
int enabled)
{
if (wpa_s->driver->set_drop_unencrypted) {
return wpa_s->driver->set_drop_unencrypted(wpa_s->drv_priv,
enabled);
}
return -1;
}
static inline int wpa_drv_set_countermeasures(struct wpa_supplicant *wpa_s,
int enabled)
{
if (wpa_s->driver->set_countermeasures) {
return wpa_s->driver->set_countermeasures(wpa_s->drv_priv,
enabled);
}
return -1;
}
static inline int wpa_drv_set_auth_alg(struct wpa_supplicant *wpa_s,
int auth_alg)
{
if (wpa_s->driver->set_auth_alg) {
return wpa_s->driver->set_auth_alg(wpa_s->drv_priv,
auth_alg);
}
return -1;
}
static inline int wpa_drv_set_wpa(struct wpa_supplicant *wpa_s, int enabled)
{
if (wpa_s->driver->set_wpa) {
return wpa_s->driver->set_wpa(wpa_s->drv_priv, enabled);
}
return 0;
}
static inline int wpa_drv_associate(struct wpa_supplicant *wpa_s,
struct wpa_driver_associate_params *params)
{
if (wpa_s->driver->associate) {
return wpa_s->driver->associate(wpa_s->drv_priv, params);
}
return -1;
}
static inline int wpa_drv_scan(struct wpa_supplicant *wpa_s, const u8 *ssid,
size_t ssid_len)
{
if (wpa_s->driver->scan) {
return wpa_s->driver->scan(wpa_s->drv_priv, ssid, ssid_len);
}
return -1;
}
static inline int wpa_drv_get_scan_results(struct wpa_supplicant *wpa_s,
struct wpa_scan_result *results,
size_t max_size)
{
if (wpa_s->driver->get_scan_results) {
return wpa_s->driver->get_scan_results(wpa_s->drv_priv,
results, max_size);
}
return -1;
}
static inline int wpa_drv_get_bssid(struct wpa_supplicant *wpa_s, u8 *bssid)
{
if (wpa_s->driver->get_bssid) {
return wpa_s->driver->get_bssid(wpa_s->drv_priv, bssid);
}
return -1;
}
static inline int wpa_drv_get_ssid(struct wpa_supplicant *wpa_s, u8 *ssid)
{
if (wpa_s->driver->get_ssid) {
return wpa_s->driver->get_ssid(wpa_s->drv_priv, ssid);
}
return -1;
}
static inline int wpa_drv_set_key(struct wpa_supplicant *wpa_s, wpa_alg alg,
const u8 *addr, int key_idx, int set_tx,
const u8 *seq, size_t seq_len,
const u8 *key, size_t key_len)
{
if (wpa_s->driver->set_key) {
return wpa_s->driver->set_key(wpa_s->drv_priv, alg, addr,
key_idx, set_tx, seq, seq_len,
key, key_len);
}
return -1;
}
static inline int wpa_drv_deauthenticate(struct wpa_supplicant *wpa_s,
const u8 *addr, int reason_code)
{
if (wpa_s->driver->deauthenticate) {
return wpa_s->driver->deauthenticate(wpa_s->drv_priv, addr,
reason_code);
}
return -1;
}
static inline int wpa_drv_disassociate(struct wpa_supplicant *wpa_s,
const u8 *addr, int reason_code)
{
if (wpa_s->driver->disassociate) {
return wpa_s->driver->disassociate(wpa_s->drv_priv, addr,
reason_code);
}
return -1;
}
static inline int wpa_drv_add_pmkid(struct wpa_supplicant *wpa_s,
const u8 *bssid, const u8 *pmkid)
{
if (wpa_s->driver->add_pmkid) {
return wpa_s->driver->add_pmkid(wpa_s->drv_priv, bssid, pmkid);
}
return -1;
}
static inline int wpa_drv_remove_pmkid(struct wpa_supplicant *wpa_s,
const u8 *bssid, const u8 *pmkid)
{
if (wpa_s->driver->remove_pmkid) {
return wpa_s->driver->remove_pmkid(wpa_s->drv_priv, bssid,
pmkid);
}
return -1;
}
static inline int wpa_drv_flush_pmkid(struct wpa_supplicant *wpa_s)
{
if (wpa_s->driver->flush_pmkid) {
return wpa_s->driver->flush_pmkid(wpa_s->drv_priv);
}
return -1;
}
static inline int wpa_drv_get_capa(struct wpa_supplicant *wpa_s,
struct wpa_driver_capa *capa)
{
if (wpa_s->driver->get_capa) {
return wpa_s->driver->get_capa(wpa_s->drv_priv, capa);
}
return -1;
}
static inline void wpa_drv_poll(struct wpa_supplicant *wpa_s)
{
if (wpa_s->driver->poll) {
wpa_s->driver->poll(wpa_s->drv_priv);
}
}
static inline const char * wpa_drv_get_ifname(struct wpa_supplicant *wpa_s)
{
if (wpa_s->driver->get_ifname) {
return wpa_s->driver->get_ifname(wpa_s->drv_priv);
}
return NULL;
}
static inline const u8 * wpa_drv_get_mac_addr(struct wpa_supplicant *wpa_s)
{
if (wpa_s->driver->get_mac_addr) {
return wpa_s->driver->get_mac_addr(wpa_s->drv_priv);
}
return NULL;
}
#endif /* WPA_SUPPLICANT_I_H */