wpa_supplicant_i.h

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#ifndef WPA_SUPPLICANT_I_H
#define WPA_SUPPLICANT_I_H

#include "driver.h"

struct wpa_blacklist {
        struct wpa_blacklist *next;
        u8 bssid[ETH_ALEN];
        int count;
};


struct wpa_scan_result;
struct wpa_sm;
struct wpa_supplicant;

struct wpa_interface {
        const char *confname;

        const char *ctrl_interface;

        const char *driver;

        const char *driver_param;

        const char *ifname;
};

struct wpa_params {
        int daemonize;

        int wait_for_interface;

        int wait_for_monitor;

        char *pid_file;

        int wpa_debug_level;

        int wpa_debug_show_keys;

        int wpa_debug_timestamp;

        char *ctrl_interface;
};

struct wpa_global {
        struct wpa_supplicant *ifaces;
        struct wpa_params params;
        int ctrl_sock;
};

struct wpa_supplicant {
        struct wpa_global *global;
        struct wpa_supplicant *next;
        struct l2_packet_data *l2;
        unsigned char own_addr[ETH_ALEN];
        char ifname[100];

        char *confname;
        struct wpa_config *conf;
        int countermeasures;
        time_t last_michael_mic_error;
        u8 bssid[ETH_ALEN];
        int reassociate; /* reassociation requested */
        int disconnected; /* all connections disabled; i.e., do no reassociate
                           * before this has been cleared */
        struct wpa_ssid *current_ssid;

        /* Selected configuration (based on Beacon/ProbeResp WPA IE) */
        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 wpa_sm *wpa;
        struct eapol_sm *eapol;

        int ctrl_sock; /* UNIX domain socket for control interface or -1 if
                        * not used */
        struct wpa_ctrl_dst *ctrl_dst;

        wpa_states wpa_state;
        int new_connection;
        int reassociated_connection;

        int eapol_received; /* number of EAPOL packets received after the
                             * previous association event */

        struct scard_data *scard;

        unsigned char last_eapol_src[ETH_ALEN];

        int keys_cleared;

        struct wpa_blacklist *blacklist;

        int scan_req; /* manual scan request; this forces a scan even if there
                       * are no enabled networks in the configuration */
};


/* wpa_supplicant.c */
void wpa_supplicant_cancel_scan(struct wpa_supplicant *wpa_s);

int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);

const char * wpa_supplicant_state_txt(int state);
int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s,
                               int wait_for_interface);
struct wpa_blacklist * wpa_blacklist_get(struct wpa_supplicant *wpa_s,
                                         const u8 *bssid);
int wpa_blacklist_add(struct wpa_supplicant *wpa_s, const u8 *bssid);
void wpa_blacklist_clear(struct wpa_supplicant *wpa_s);
int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
                              struct wpa_scan_result *bss,
                              struct wpa_ssid *ssid,
                              u8 *wpa_ie, size_t *wpa_ie_len);
void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
                              struct wpa_scan_result *bss,
                              struct wpa_ssid *ssid);
void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
                                       struct wpa_ssid *ssid);
void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
int wpa_supplicant_get_scan_results(struct wpa_supplicant *wpa_s);
void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
                                     int sec, int usec);
void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s, wpa_states state);
struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
                                   int reason_code);
void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
                                 int reason_code);
void wpa_supplicant_req_scan(struct wpa_supplicant *wpa_s, int sec, int usec);

void wpa_show_license(void);

struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
                                                 struct wpa_interface *iface);
int wpa_supplicant_remove_iface(struct wpa_global *global,
                                struct wpa_supplicant *wpa_s);
struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
                                                 const char *ifname);
struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
int wpa_supplicant_run(struct wpa_global *global);
void wpa_supplicant_deinit(struct wpa_global *global);

int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
                              struct wpa_ssid *ssid);


/* 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_param(struct wpa_supplicant *wpa_s,
                                    const char *param)
{
        if (wpa_s->driver->set_param)
                return wpa_s->driver->set_param(wpa_s->drv_priv, param);
        return 0;
}

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) {
                wpa_s->keys_cleared = 0;
                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;
}

static inline int wpa_drv_send_eapol(struct wpa_supplicant *wpa_s,
                                     const u8 *dst, u16 proto,
                                     const u8 *data, size_t data_len)
{
        if (wpa_s->driver->send_eapol)
                return wpa_s->driver->send_eapol(wpa_s->drv_priv, dst, proto,
                                                 data, data_len);
        return -1;
}

#endif /* WPA_SUPPLICANT_I_H */

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