Move generic AP functionality implementation into src/ap

This code can be shared by both hostapd and wpa_supplicant and this
is an initial step in getting the generic code moved to be under the
src directories. Couple of generic files still remain under the
hostapd directory due to direct dependencies to files there. Once the
dependencies have been removed, they will also be moved to the src/ap
directory to allow wpa_supplicant to be built without requiring anything
from the hostapd directory.

1 files changed, 155 insertions, 0 deletions

diff --git a/src/ap/sta_info.h b/src/ap/sta_info.h
new file mode 100644
index 0000000..55faa5a
--- /dev/null
+++ b/src/ap/sta_info.h
@@ -0,0 +1,155 @@
+/*
+ * hostapd / Station table
+ * Copyright (c) 2002-2009, 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 STA_INFO_H
+#define STA_INFO_H
+
+/* STA flags */
+#define WLAN_STA_AUTH BIT(0)
+#define WLAN_STA_ASSOC BIT(1)
+#define WLAN_STA_PS BIT(2)
+#define WLAN_STA_TIM BIT(3)
+#define WLAN_STA_PERM BIT(4)
+#define WLAN_STA_AUTHORIZED BIT(5)
+#define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
+#define WLAN_STA_SHORT_PREAMBLE BIT(7)
+#define WLAN_STA_PREAUTH BIT(8)
+#define WLAN_STA_WMM BIT(9)
+#define WLAN_STA_MFP BIT(10)
+#define WLAN_STA_HT BIT(11)
+#define WLAN_STA_WPS BIT(12)
+#define WLAN_STA_MAYBE_WPS BIT(13)
+#define WLAN_STA_WDS BIT(14)
+#define WLAN_STA_NONERP BIT(31)
+
+/* Maximum number of supported rates (from both Supported Rates and Extended
+ * Supported Rates IEs). */
+#define WLAN_SUPP_RATES_MAX 32
+
+
+struct sta_info {
+	struct sta_info *next; /* next entry in sta list */
+	struct sta_info *hnext; /* next entry in hash table list */
+	u8 addr[6];
+	u16 aid; /* STA's unique AID (1 .. 2007) or 0 if not yet assigned */
+	u32 flags; /* Bitfield of WLAN_STA_* */
+	u16 capability;
+	u16 listen_interval; /* or beacon_int for APs */
+	u8 supported_rates[WLAN_SUPP_RATES_MAX];
+	int supported_rates_len;
+
+	unsigned int nonerp_set:1;
+	unsigned int no_short_slot_time_set:1;
+	unsigned int no_short_preamble_set:1;
+	unsigned int no_ht_gf_set:1;
+	unsigned int no_ht_set:1;
+	unsigned int ht_20mhz_set:1;
+
+	u16 auth_alg;
+	u8 previous_ap[6];
+
+	enum {
+		STA_NULLFUNC = 0, STA_DISASSOC, STA_DEAUTH, STA_REMOVE
+	} timeout_next;
+
+	/* IEEE 802.1X related data */
+	struct eapol_state_machine *eapol_sm;
+
+	/* IEEE 802.11f (IAPP) related data */
+	struct ieee80211_mgmt *last_assoc_req;
+
+	u32 acct_session_id_hi;
+	u32 acct_session_id_lo;
+	time_t acct_session_start;
+	int acct_session_started;
+	int acct_terminate_cause; /* Acct-Terminate-Cause */
+	int acct_interim_interval; /* Acct-Interim-Interval */
+
+	unsigned long last_rx_bytes;
+	unsigned long last_tx_bytes;
+	u32 acct_input_gigawords; /* Acct-Input-Gigawords */
+	u32 acct_output_gigawords; /* Acct-Output-Gigawords */
+
+	u8 *challenge; /* IEEE 802.11 Shared Key Authentication Challenge */
+
+	struct wpa_state_machine *wpa_sm;
+	struct rsn_preauth_interface *preauth_iface;
+
+	struct hostapd_ssid *ssid; /* SSID selection based on (Re)AssocReq */
+	struct hostapd_ssid *ssid_probe; /* SSID selection based on ProbeReq */
+
+	int vlan_id;
+
+	struct ieee80211_ht_capabilities *ht_capabilities;
+
+#ifdef CONFIG_IEEE80211W
+	int sa_query_count; /* number of pending SA Query requests;
+			     * 0 = no SA Query in progress */
+	int sa_query_timed_out;
+	u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
+				* sa_query_count octets of pending SA Query
+				* transaction identifiers */
+	struct os_time sa_query_start;
+#endif /* CONFIG_IEEE80211W */
+
+	struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */
+};
+
+
+/* Default value for maximum station inactivity. After AP_MAX_INACTIVITY has
+ * passed since last received frame from the station, a nullfunc data frame is
+ * sent to the station. If this frame is not acknowledged and no other frames
+ * have been received, the station will be disassociated after
+ * AP_DISASSOC_DELAY seconds. Similarily, the station will be deauthenticated
+ * after AP_DEAUTH_DELAY seconds has passed after disassociation. */
+#define AP_MAX_INACTIVITY (5 * 60)
+#define AP_DISASSOC_DELAY (1)
+#define AP_DEAUTH_DELAY (1)
+/* Number of seconds to keep STA entry with Authenticated flag after it has
+ * been disassociated. */
+#define AP_MAX_INACTIVITY_AFTER_DISASSOC (1 * 30)
+/* Number of seconds to keep STA entry after it has been deauthenticated. */
+#define AP_MAX_INACTIVITY_AFTER_DEAUTH (1 * 5)
+
+
+struct hostapd_data;
+
+int ap_for_each_sta(struct hostapd_data *hapd,
+		    int (*cb)(struct hostapd_data *hapd, struct sta_info *sta,
+			      void *ctx),
+		    void *ctx);
+struct sta_info * ap_get_sta(struct hostapd_data *hapd, const u8 *sta);
+void ap_sta_hash_add(struct hostapd_data *hapd, struct sta_info *sta);
+void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
+void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta);
+void hostapd_free_stas(struct hostapd_data *hapd);
+void ap_handle_timer(void *eloop_ctx, void *timeout_ctx);
+void ap_sta_session_timeout(struct hostapd_data *hapd, struct sta_info *sta,
+			    u32 session_timeout);
+void ap_sta_no_session_timeout(struct hostapd_data *hapd,
+			       struct sta_info *sta);
+struct sta_info * ap_sta_add(struct hostapd_data *hapd, const u8 *addr);
+void ap_sta_disassociate(struct hostapd_data *hapd, struct sta_info *sta,
+			 u16 reason);
+void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
+			   u16 reason);
+int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
+		     int old_vlanid);
+void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
+void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
+int ap_check_sa_query_timeout(struct hostapd_data *hapd, struct sta_info *sta);
+void ap_sta_disconnect(struct hostapd_data *hapd, struct sta_info *sta,
+		       const u8 *addr, u16 reason);
+
+#endif /* STA_INFO_H */