Stripped down import of wpa_supplicant v0.3.8

1 files changed, 469 insertions, 0 deletions

diff --git a/contrib/wpa_supplicant/wpa_supplicant_i.h b/contrib/wpa_supplicant/wpa_supplicant_i.h
new file mode 100644
index 0000000..3883393
--- /dev/null
+++ b/contrib/wpa_supplicant/wpa_supplicant_i.h
@@ -0,0 +1,469 @@
+#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];
+};
+
+
+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 -1;
+}
+
+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 */