wpa_supplicant: Initial Revision 0.8.X

Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date:   Thu Apr 21 20:41:01 2011 +0300

    Enable CONFIG_DRIVER_NL80211=y in the default configuration

    nl80211 should be preferred over WEXT with any recent Linux
    kernel version.

Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/config_ssid.h b/wpa_supplicant/config_ssid.h
new file mode 100644
index 0000000..8419f43
--- /dev/null
+++ b/wpa_supplicant/config_ssid.h
@@ -0,0 +1,413 @@
+/*
+ * WPA Supplicant / Network configuration structures
+ * Copyright (c) 2003-2008, 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 CONFIG_SSID_H
+#define CONFIG_SSID_H
+
+#include "common/defs.h"
+#include "eap_peer/eap_config.h"
+
+#define MAX_SSID_LEN 32
+
+
+#define DEFAULT_EAP_WORKAROUND ((unsigned int) -1)
+#define DEFAULT_EAPOL_FLAGS (EAPOL_FLAG_REQUIRE_KEY_UNICAST | \
+			     EAPOL_FLAG_REQUIRE_KEY_BROADCAST)
+#define DEFAULT_PROTO (WPA_PROTO_WPA | WPA_PROTO_RSN)
+#define DEFAULT_KEY_MGMT (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X)
+#define DEFAULT_PAIRWISE (WPA_CIPHER_CCMP | WPA_CIPHER_TKIP)
+#define DEFAULT_GROUP (WPA_CIPHER_CCMP | WPA_CIPHER_TKIP | \
+		       WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)
+#define DEFAULT_FRAGMENT_SIZE 1398
+
+/**
+ * struct wpa_ssid - Network configuration data
+ *
+ * This structure includes all the configuration variables for a network. This
+ * data is included in the per-interface configuration data as an element of
+ * the network list, struct wpa_config::ssid. Each network block in the
+ * configuration is mapped to a struct wpa_ssid instance.
+ */
+struct wpa_ssid {
+	/**
+	 * next - Next network in global list
+	 *
+	 * This pointer can be used to iterate over all networks. The head of
+	 * this list is stored in the ssid field of struct wpa_config.
+	 */
+	struct wpa_ssid *next;
+
+	/**
+	 * pnext - Next network in per-priority list
+	 *
+	 * This pointer can be used to iterate over all networks in the same
+	 * priority class. The heads of these list are stored in the pssid
+	 * fields of struct wpa_config.
+	 */
+	struct wpa_ssid *pnext;
+
+	/**
+	 * id - Unique id for the network
+	 *
+	 * This identifier is used as a unique identifier for each network
+	 * block when using the control interface. Each network is allocated an
+	 * id when it is being created, either when reading the configuration
+	 * file or when a new network is added through the control interface.
+	 */
+	int id;
+
+	/**
+	 * priority - Priority group
+	 *
+	 * By default, all networks will get same priority group (0). If some
+	 * of the networks are more desirable, this field can be used to change
+	 * the order in which wpa_supplicant goes through the networks when
+	 * selecting a BSS. The priority groups will be iterated in decreasing
+	 * priority (i.e., the larger the priority value, the sooner the
+	 * network is matched against the scan results). Within each priority
+	 * group, networks will be selected based on security policy, signal
+	 * strength, etc.
+	 *
+	 * Please note that AP scanning with scan_ssid=1 and ap_scan=2 mode are
+	 * not using this priority to select the order for scanning. Instead,
+	 * they try the networks in the order that used in the configuration
+	 * file.
+	 */
+	int priority;
+
+	/**
+	 * ssid - Service set identifier (network name)
+	 *
+	 * This is the SSID for the network. For wireless interfaces, this is
+	 * used to select which network will be used. If set to %NULL (or
+	 * ssid_len=0), any SSID can be used. For wired interfaces, this must
+	 * be set to %NULL. Note: SSID may contain any characters, even nul
+	 * (ASCII 0) and as such, this should not be assumed to be a nul
+	 * terminated string. ssid_len defines how many characters are valid
+	 * and the ssid field is not guaranteed to be nul terminated.
+	 */
+	u8 *ssid;
+
+	/**
+	 * ssid_len - Length of the SSID
+	 */
+	size_t ssid_len;
+
+	/**
+	 * bssid - BSSID
+	 *
+	 * If set, this network block is used only when associating with the AP
+	 * using the configured BSSID
+	 *
+	 * If this is a persistent P2P group (disabled == 2), this is the GO
+	 * Device Address.
+	 */
+	u8 bssid[ETH_ALEN];
+
+	/**
+	 * bssid_set - Whether BSSID is configured for this network
+	 */
+	int bssid_set;
+
+	/**
+	 * psk - WPA pre-shared key (256 bits)
+	 */
+	u8 psk[32];
+
+	/**
+	 * psk_set - Whether PSK field is configured
+	 */
+	int psk_set;
+
+	/**
+	 * passphrase - WPA ASCII passphrase
+	 *
+	 * If this is set, psk will be generated using the SSID and passphrase
+	 * configured for the network. ASCII passphrase must be between 8 and
+	 * 63 characters (inclusive).
+	 */
+	char *passphrase;
+
+	/**
+	 * pairwise_cipher - Bitfield of allowed pairwise ciphers, WPA_CIPHER_*
+	 */
+	int pairwise_cipher;
+
+	/**
+	 * group_cipher - Bitfield of allowed group ciphers, WPA_CIPHER_*
+	 */
+	int group_cipher;
+
+	/**
+	 * key_mgmt - Bitfield of allowed key management protocols
+	 *
+	 * WPA_KEY_MGMT_*
+	 */
+	int key_mgmt;
+
+	/**
+	 * proto - Bitfield of allowed protocols, WPA_PROTO_*
+	 */
+	int proto;
+
+	/**
+	 * auth_alg -  Bitfield of allowed authentication algorithms
+	 *
+	 * WPA_AUTH_ALG_*
+	 */
+	int auth_alg;
+
+	/**
+	 * scan_ssid - Scan this SSID with Probe Requests
+	 *
+	 * scan_ssid can be used to scan for APs using hidden SSIDs.
+	 * Note: Many drivers do not support this. ap_mode=2 can be used with
+	 * such drivers to use hidden SSIDs.
+	 */
+	int scan_ssid;
+
+#ifdef IEEE8021X_EAPOL
+#define EAPOL_FLAG_REQUIRE_KEY_UNICAST BIT(0)
+#define EAPOL_FLAG_REQUIRE_KEY_BROADCAST BIT(1)
+	/**
+	 * eapol_flags - Bit field of IEEE 802.1X/EAPOL options (EAPOL_FLAG_*)
+	 */
+	int eapol_flags;
+
+	/**
+	 * eap - EAP peer configuration for this network
+	 */
+	struct eap_peer_config eap;
+#endif /* IEEE8021X_EAPOL */
+
+#define NUM_WEP_KEYS 4
+#define MAX_WEP_KEY_LEN 16
+	/**
+	 * wep_key - WEP keys
+	 */
+	u8 wep_key[NUM_WEP_KEYS][MAX_WEP_KEY_LEN];
+
+	/**
+	 * wep_key_len - WEP key lengths
+	 */
+	size_t wep_key_len[NUM_WEP_KEYS];
+
+	/**
+	 * wep_tx_keyidx - Default key index for TX frames using WEP
+	 */
+	int wep_tx_keyidx;
+
+	/**
+	 * proactive_key_caching - Enable proactive key caching
+	 *
+	 * This field can be used to enable proactive key caching which is also
+	 * known as opportunistic PMKSA caching for WPA2. This is disabled (0)
+	 * by default. Enable by setting this to 1.
+	 *
+	 * Proactive key caching is used to make supplicant assume that the APs
+	 * are using the same PMK and generate PMKSA cache entries without
+	 * doing RSN pre-authentication. This requires support from the AP side
+	 * and is normally used with wireless switches that co-locate the
+	 * authenticator.
+	 */
+	int proactive_key_caching;
+
+	/**
+	 * mixed_cell - Whether mixed cells are allowed
+	 *
+	 * This option can be used to configure whether so called mixed cells,
+	 * i.e., networks that use both plaintext and encryption in the same
+	 * SSID, are allowed. This is disabled (0) by default. Enable by
+	 * setting this to 1.
+	 */
+	int mixed_cell;
+
+#ifdef IEEE8021X_EAPOL
+
+	/**
+	 * leap - Number of EAP methods using LEAP
+	 *
+	 * This field should be set to 1 if LEAP is enabled. This is used to
+	 * select IEEE 802.11 authentication algorithm.
+	 */
+	int leap;
+
+	/**
+	 * non_leap - Number of EAP methods not using LEAP
+	 *
+	 * This field should be set to >0 if any EAP method other than LEAP is
+	 * enabled. This is used to select IEEE 802.11 authentication
+	 * algorithm.
+	 */
+	int non_leap;
+
+	/**
+	 * eap_workaround - EAP workarounds enabled
+	 *
+	 * wpa_supplicant supports number of "EAP workarounds" to work around
+	 * interoperability issues with incorrectly behaving authentication
+	 * servers. This is recommended to be enabled by default because some
+	 * of the issues are present in large number of authentication servers.
+	 *
+	 * Strict EAP conformance mode can be configured by disabling
+	 * workarounds with eap_workaround = 0.
+	 */
+	unsigned int eap_workaround;
+
+#endif /* IEEE8021X_EAPOL */
+
+	/**
+	 * mode - IEEE 802.11 operation mode (Infrastucture/IBSS)
+	 *
+	 * 0 = infrastructure (Managed) mode, i.e., associate with an AP.
+	 *
+	 * 1 = IBSS (ad-hoc, peer-to-peer)
+	 *
+	 * 2 = AP (access point)
+	 *
+	 * 3 = P2P Group Owner (can be set in the configuration file)
+	 *
+	 * 4 = P2P Group Formation (used internally; not in configuration
+	 * files)
+	 *
+	 * Note: IBSS can only be used with key_mgmt NONE (plaintext and
+	 * static WEP) and key_mgmt=WPA-NONE (fixed group key TKIP/CCMP). In
+	 * addition, ap_scan has to be set to 2 for IBSS. WPA-None requires
+	 * following network block options: proto=WPA, key_mgmt=WPA-NONE,
+	 * pairwise=NONE, group=TKIP (or CCMP, but not both), and psk must also
+	 * be set (either directly or using ASCII passphrase).
+	 */
+	enum wpas_mode {
+		WPAS_MODE_INFRA = 0,
+		WPAS_MODE_IBSS = 1,
+		WPAS_MODE_AP = 2,
+		WPAS_MODE_P2P_GO = 3,
+		WPAS_MODE_P2P_GROUP_FORMATION = 4,
+	} mode;
+
+	/**
+	 * disabled - Whether this network is currently disabled
+	 *
+	 * 0 = this network can be used (default).
+	 * 1 = this network block is disabled (can be enabled through
+	 * ctrl_iface, e.g., with wpa_cli or wpa_gui).
+	 * 2 = this network block includes parameters for a persistent P2P
+	 * group (can be used with P2P ctrl_iface commands)
+	 */
+	int disabled;
+
+	/**
+	 * peerkey -  Whether PeerKey handshake for direct links is allowed
+	 *
+	 * This is only used when both RSN/WPA2 and IEEE 802.11e (QoS) are
+	 * enabled.
+	 *
+	 * 0 = disabled (default)
+	 * 1 = enabled
+	 */
+	int peerkey;
+
+	/**
+	 * id_str - Network identifier string for external scripts
+	 *
+	 * This value is passed to external ctrl_iface monitors in
+	 * WPA_EVENT_CONNECTED event and wpa_cli sets this as WPA_ID_STR
+	 * environment variable for action scripts.
+	 */
+	char *id_str;
+
+#ifdef CONFIG_IEEE80211W
+	/**
+	 * ieee80211w - Whether management frame protection is enabled
+	 *
+	 * This value is used to configure policy for management frame
+	 * protection (IEEE 802.11w). 0 = disabled, 1 = optional, 2 = required.
+	 */
+	enum mfp_options ieee80211w;
+#endif /* CONFIG_IEEE80211W */
+
+	/**
+	 * frequency - Channel frequency in megahertz (MHz) for IBSS
+	 *
+	 * This value is used to configure the initial channel for IBSS (adhoc)
+	 * networks, e.g., 2412 = IEEE 802.11b/g channel 1. It is ignored in
+	 * the infrastructure mode. In addition, this value is only used by the
+	 * station that creates the IBSS. If an IBSS network with the
+	 * configured SSID is already present, the frequency of the network
+	 * will be used instead of this configured value.
+	 */
+	int frequency;
+
+	/**
+	 * wpa_ptk_rekey - Maximum lifetime for PTK in seconds
+	 *
+	 * This value can be used to enforce rekeying of PTK to mitigate some
+	 * attacks against TKIP deficiencies.
+	 */
+	int wpa_ptk_rekey;
+
+	/**
+	 * scan_freq - Array of frequencies to scan or %NULL for all
+	 *
+	 * This is an optional zero-terminated array of frequencies in
+	 * megahertz (MHz) to include in scan requests when searching for this
+	 * network. This can be used to speed up scanning when the network is
+	 * known to not use all possible channels.
+	 */
+	int *scan_freq;
+
+	/**
+	 * bgscan - Background scan and roaming parameters or %NULL if none
+	 *
+	 * This is an optional set of parameters for background scanning and
+	 * roaming within a network (ESS) in following format:
+	 * <bgscan module name>:<module parameters>
+	 */
+	char *bgscan;
+
+	/**
+	 * freq_list - Array of allowed frequencies or %NULL for all
+	 *
+	 * This is an optional zero-terminated array of frequencies in
+	 * megahertz (MHz) to allow for selecting the BSS. If set, scan results
+	 * that do not match any of the specified frequencies are not
+	 * considered when selecting a BSS.
+	 */
+	int *freq_list;
+
+	/**
+	 * p2p_group - Network generated as a P2P group (used internally)
+	 */
+	int p2p_group;
+
+	/**
+	 * p2p_persistent_group - Whether this is a persistent group
+	 */
+	int p2p_persistent_group;
+
+	/**
+	 * temporary - Whether this network is temporary and not to be saved
+	 */
+	int temporary;
+
+	/**
+	 * export_keys - Whether keys may be exported
+	 *
+	 * This attribute will be set when keys are determined through
+	 * WPS or similar so that they may be exported.
+	 */
+	int export_keys;
+};
+
+#endif /* CONFIG_SSID_H */