/*

 * Copyright (C) 2020, University of the Basque Country (UPV/EHU)

 * Contact for licensing options: <licensing-mcpttclient(at)mcopenplatform(dot)com>
 *
 * The original file was part of Open Source Doubango Framework
 * Copyright (C) 2010-2011 Mamadou Diop.
 * Copyright (C) 2012 Doubango Telecom <http://doubango.org>
 *
 * This file is part of Open Source Doubango Framework.
 *
 * DOUBANGO 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 3 of the License, or
 * (at your option) any later version.
 *
 * DOUBANGO 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with DOUBANGO.
 *
 */
 
 /**@file tsip_challenge.h
  * @brief SIP authentication challenge.
  *
  * @author Mamadou Diop <diopmamadou(at)doubango[dot]org>
  *
 
  */
 #ifndef TINYSIP_AUTHENTICATION_CHALLENGE_H
 #define TINYSIP_AUTHENTICATION_CHALLENGE_H
 
 #include "tinysip_config.h"
 
 #include "tsip.h"
 
 #include "tinysip/tsip_message.h"
 #include "tinysip/headers/tsip_header.h"
 
 #include "tinysip/authentication/tsip_milenage.h"
 
 #include "tinyhttp/auth/thttp_auth.h"
 
 #include "tsk_object.h"
 #include "tsk_list.h"
 #include "tsk_md5.h"
 
 TSIP_BEGIN_DECLS
 
 
 typedef struct tsip_challenge_s
 {
 	TSK_DECLARE_OBJECT;
 
 	const tsip_stack_handle_t *stack;
 
 	tsk_bool_t isproxy;
 
 	char* username;
 	char* scheme;
 	char* realm;
 	char* nonce;
 	char* opaque;
 	char* algorithm;

 	//

 	//This is for SQN with SIM
 	char* auts;
 	char* auts_param;
 	char* auts_value;
 	const char* qop;
 
 	char* ha1_hexstr;
 
 	AKA_CK_T ck;
 	AKA_IK_T ik;
 	AKA_K_T k;
 
 	tsk_md5string_t cnonce;
 	unsigned nc;
 }
 tsip_challenge_t;
 
 typedef tsk_list_t tsip_challenges_L_t;
 
 TINYSIP_API tsip_challenge_t* tsip_challenge_create(tsip_stack_t* stack, tsk_bool_t isproxy, const char* scheme, const char* realm, const char* nonce, const char* opaque, const char* algorithm,const char* auts,const char* auts_param,const char* auts_value, const char* qop);
 tsip_challenge_t* tsip_challenge_create_null(tsip_stack_t* stack);
 
 int tsip_challenge_set_cred(tsip_challenge_t *self, const char* username, const char* ha1_hexstr);
 int tsip_challenge_update(tsip_challenge_t *self, const char* scheme, const char* realm, const char* nonce, const char* opaque, const char* algorithm,const char* auts,const char* auts_param,const char* auts_value, const char* qop);
 TINYSIP_API tsip_header_t *tsip_challenge_create_header_authorization(tsip_challenge_t *self, const tsip_request_t *request);
 tsip_header_t *tsip_challenge_create_empty_header_authorization(const char* username, const char* realm, const char* uristring);
 
 TINYSIP_GEXTERN const tsk_object_def_t *tsip_challenge_def_t;
 
 TSIP_END_DECLS
 
 #endif /* TINYSIP_AUTHENTICATION_CHALLENGE_H */