1 files changed, 141 insertions, 0 deletions
diff --git a/src/charon/sa/authenticators/eap/eap_sim.h b/src/charon/sa/authenticators/eap/eap_sim.h
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+++ b/src/charon/sa/authenticators/eap/eap_sim.h
@@ -0,0 +1,141 @@
+/**
+ * @file eap_sim.h
+ *
+ * @brief Interface of eap_sim_t.
+ *
+ */
+
+/*
+ * Copyright (C) 2007 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+#ifndef EAP_SIM_H_
+#define EAP_SIM_H_
+
+typedef struct eap_sim_t eap_sim_t;
+typedef enum sim_subtype_t sim_subtype_t;
+typedef enum sim_attribute_t sim_attribute_t;
+
+#include <sa/authenticators/eap/eap_method.h>
+
+/**
+ * Subtypes of SIM messages
+ */
+enum sim_subtype_t {
+	SIM_START = 10,
+	SIM_CHALLENGE = 11,
+	SIM_NOTIFICATION = 12,
+	SIM_CLIENT_ERROR = 14,
+};
+
+/**
+ * enum names for sim_subtype_t
+ */
+extern enum_name_t *sim_subtype_names;
+
+enum sim_attribute_t {
+	/** defines the end of attribute list */
+	AT_END = -1,
+	AT_RAND = 1,
+	AT_AUTN = 2,
+	AT_RES = 3,
+	AT_AUTS = 4,
+	AT_PADDING = 6,
+	AT_NONCE_MT = 7,
+	AT_PERMANENT_ID_REQ = 10,
+	AT_MAC = 11,
+	AT_NOTIFICATION = 12,
+	AT_ANY_ID_REQ = 13,
+	AT_IDENTITY = 14,
+	AT_VERSION_LIST = 15,
+	AT_SELECTED_VERSION = 16,
+	AT_FULLAUTH_ID_REQ = 17,
+	AT_COUNTER = 19,
+	AT_COUNTER_TOO_SMALL = 20,
+	AT_NONCE_S = 21,
+	AT_CLIENT_ERROR_CODE = 22,
+	AT_IV = 129,
+	AT_ENCR_DATA = 130,
+	AT_NEXT_PSEUDONYM = 132,
+	AT_NEXT_REAUTH_ID = 133,
+	AT_CHECKCODE = 134,
+	AT_RESULT_IND = 135,
+};
+
+/**
+ * enum names for sim_subtype_t
+ */
+extern enum_name_t *sim_attribute_names;
+
+/** 
+ * @brief Cardreaders SIM function.
+ *
+ * @param rand			RAND to run algo with
+ * @param rand_length	length of value in rand
+ * @param sres			buffer to get SRES
+ * @param sres_length	size of buffer in sres, returns bytes written to SRES
+ * @param kc			buffer to get Kc
+ * @param kc_length		size of buffer in Kc, returns bytes written to Kc
+ * @return				zero on success
+ */
+typedef int (*sim_algo_t)(const unsigned char *rand, int rand_length,
+						  unsigned char *sres, int *sres_length, 
+						  unsigned char *kc, int *kc_length);
+
+#ifndef SIM_READER_LIB
+/** the library containing the cardreader with the SIM function */
+#error SIM_READER_LIB not specified, use --with-sim-reader option
+#endif /* SIM_READER_LIB */
+
+#ifndef SIM_READER_ALG
+/** the SIM_READER_LIB's algorithm, uses sim_algo_t signature */
+#define SIM_READER_ALG "sim_run_alg"
+#endif /* SIM_READER_ALG */
+
+
+/**
+ * @brief Implementation of the eap_method_t interface using EAP-SIM.
+ *
+ * This EAP-SIM client implementation uses another pluggable library to
+ * access the SIM card. This module is specified using the SIM_READER_LIB
+ * definition. The function to run the algorithm has the sim_algo_t type and
+ * is named as SIM_READER_ALG is defined.
+ *
+ * @b Constructors:
+ *  - eap_create() of this module
+ *  - eap_client_create() using eap_method EAP_SIM
+ *
+ * @ingroup eap
+ */
+struct eap_sim_t {
+
+	/**
+	 * Implemented eap_method_t interface.
+	 */
+	eap_method_t eap_method_interface;
+};
+
+/**
+ * @brief Creates the EAP method EAP-SIM.
+ *
+ * @param server	ID of the EAP server
+ * @param peer		ID of the EAP client
+ * @return			eap_sim_t object
+ *
+ * @ingroup eap
+ */
+eap_sim_t *eap_create(eap_role_t role,
+					  identification_t *server, identification_t *peer);
+
+#endif /* EAP_SIM_H_ */