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/src/radius/radius_server.h b/src/radius/radius_server.h
new file mode 100644
index 0000000..126e314
--- /dev/null
+++ b/src/radius/radius_server.h
@@ -0,0 +1,217 @@
+/*
+ * RADIUS authentication server
+ * Copyright (c) 2005-2009, 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 RADIUS_SERVER_H
+#define RADIUS_SERVER_H
+
+struct radius_server_data;
+struct eap_user;
+
+/**
+ * struct radius_server_conf - RADIUS server configuration
+ */
+struct radius_server_conf {
+	/**
+	 * auth_port - UDP port to listen to as an authentication server
+	 */
+	int auth_port;
+
+	/**
+	 * client_file - RADIUS client configuration file
+	 *
+	 * This file contains the RADIUS clients and the shared secret to be
+	 * used with them in a format where each client is on its own line. The
+	 * first item on the line is the IPv4 or IPv6 address of the client
+	 * with an optional address mask to allow full network to be specified
+	 * (e.g., 192.168.1.2 or 192.168.1.0/24). This is followed by white
+	 * space (space or tabulator) and the shared secret. Lines starting
+	 * with '#' are skipped and can be used as comments.
+	 */
+	char *client_file;
+
+	/**
+	 * conf_ctx - Context pointer for callbacks
+	 *
+	 * This is used as the ctx argument in get_eap_user() calls.
+	 */
+	void *conf_ctx;
+
+	/**
+	 * eap_sim_db_priv - EAP-SIM/AKA database context
+	 *
+	 * This is passed to the EAP-SIM/AKA server implementation as a
+	 * callback context.
+	 */
+	void *eap_sim_db_priv;
+
+	/**
+	 * ssl_ctx - TLS context
+	 *
+	 * This is passed to the EAP server implementation as a callback
+	 * context for TLS operations.
+	 */
+	void *ssl_ctx;
+
+	/**
+	 * pac_opaque_encr_key - PAC-Opaque encryption key for EAP-FAST
+	 *
+	 * This parameter is used to set a key for EAP-FAST to encrypt the
+	 * PAC-Opaque data. It can be set to %NULL if EAP-FAST is not used. If
+	 * set, must point to a 16-octet key.
+	 */
+	u8 *pac_opaque_encr_key;
+
+	/**
+	 * eap_fast_a_id - EAP-FAST authority identity (A-ID)
+	 *
+	 * If EAP-FAST is not used, this can be set to %NULL. In theory, this
+	 * is a variable length field, but due to some existing implementations
+	 * requiring A-ID to be 16 octets in length, it is recommended to use
+	 * that length for the field to provide interoperability with deployed
+	 * peer implementations.
+	 */
+	u8 *eap_fast_a_id;
+
+	/**
+	 * eap_fast_a_id_len - Length of eap_fast_a_id buffer in octets
+	 */
+	size_t eap_fast_a_id_len;
+
+	/**
+	 * eap_fast_a_id_info - EAP-FAST authority identifier information
+	 *
+	 * This A-ID-Info contains a user-friendly name for the A-ID. For
+	 * example, this could be the enterprise and server names in
+	 * human-readable format. This field is encoded as UTF-8. If EAP-FAST
+	 * is not used, this can be set to %NULL.
+	 */
+	char *eap_fast_a_id_info;
+
+	/**
+	 * eap_fast_prov - EAP-FAST provisioning modes
+	 *
+	 * 0 = provisioning disabled, 1 = only anonymous provisioning allowed,
+	 * 2 = only authenticated provisioning allowed, 3 = both provisioning
+	 * modes allowed.
+	 */
+	int eap_fast_prov;
+
+	/**
+	 * pac_key_lifetime - EAP-FAST PAC-Key lifetime in seconds
+	 *
+	 * This is the hard limit on how long a provisioned PAC-Key can be
+	 * used.
+	 */
+	int pac_key_lifetime;
+
+	/**
+	 * pac_key_refresh_time - EAP-FAST PAC-Key refresh time in seconds
+	 *
+	 * This is a soft limit on the PAC-Key. The server will automatically
+	 * generate a new PAC-Key when this number of seconds (or fewer) of the
+	 * lifetime remains.
+	 */
+	int pac_key_refresh_time;
+
+	/**
+	 * eap_sim_aka_result_ind - EAP-SIM/AKA protected success indication
+	 *
+	 * This controls whether the protected success/failure indication
+	 * (AT_RESULT_IND) is used with EAP-SIM and EAP-AKA.
+	 */
+	int eap_sim_aka_result_ind;
+
+	/**
+	 * tnc - Trusted Network Connect (TNC)
+	 *
+	 * This controls whether TNC is enabled and will be required before the
+	 * peer is allowed to connect. Note: This is only used with EAP-TTLS
+	 * and EAP-FAST. If any other EAP method is enabled, the peer will be
+	 * allowed to connect without TNC.
+	 */
+	int tnc;
+
+	/**
+	 * pwd_group - EAP-pwd D-H group
+	 *
+	 * This is used to select which D-H group to use with EAP-pwd.
+	 */
+	u16 pwd_group;
+
+	/**
+	 * wps - Wi-Fi Protected Setup context
+	 *
+	 * If WPS is used with an external RADIUS server (which is quite
+	 * unlikely configuration), this is used to provide a pointer to WPS
+	 * context data. Normally, this can be set to %NULL.
+	 */
+	struct wps_context *wps;
+
+	/**
+	 * ipv6 - Whether to enable IPv6 support in the RADIUS server
+	 */
+	int ipv6;
+
+	/**
+	 * get_eap_user - Callback for fetching EAP user information
+	 * @ctx: Context data from conf_ctx
+	 * @identity: User identity
+	 * @identity_len: identity buffer length in octets
+	 * @phase2: Whether this is for Phase 2 identity
+	 * @user: Data structure for filling in the user information
+	 * Returns: 0 on success, -1 on failure
+	 *
+	 * This is used to fetch information from user database. The callback
+	 * will fill in information about allowed EAP methods and the user
+	 * password. The password field will be an allocated copy of the
+	 * password data and RADIUS server will free it after use.
+	 */
+	int (*get_eap_user)(void *ctx, const u8 *identity, size_t identity_len,
+			    int phase2, struct eap_user *user);
+
+	/**
+	 * eap_req_id_text - Optional data for EAP-Request/Identity
+	 *
+	 * This can be used to configure an optional, displayable message that
+	 * will be sent in EAP-Request/Identity. This string can contain an
+	 * ASCII-0 character (nul) to separate network infromation per RFC
+	 * 4284. The actual string length is explicit provided in
+	 * eap_req_id_text_len since nul character will not be used as a string
+	 * terminator.
+	 */
+	const char *eap_req_id_text;
+
+	/**
+	 * eap_req_id_text_len - Length of eap_req_id_text buffer in octets
+	 */
+	size_t eap_req_id_text_len;
+
+	/*
+	 * msg_ctx - Context data for wpa_msg() calls
+	 */
+	void *msg_ctx;
+};
+
+
+struct radius_server_data *
+radius_server_init(struct radius_server_conf *conf);
+
+void radius_server_deinit(struct radius_server_data *data);
+
+int radius_server_get_mib(struct radius_server_data *data, char *buf,
+			  size_t buflen);
+
+void radius_server_eap_pending_cb(struct radius_server_data *data, void *ctx);
+
+#endif /* RADIUS_SERVER_H */