/*

 * Copyright (C) 2000-2012 Free Software Foundation, Inc.

 *

 * Author: Nikos Mavrogiannopoulos

 *

 * This file is part of GnuTLS.

 *

 * The GnuTLS is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License

 * as published by the Free Software Foundation; either version 2.1 of

 * the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>

 *

 */

#ifndef GNUTLS_ERRORS_H

#define GNUTLS_ERRORS_H

#include "gnutls_int.h"

#include <global.h>

#include <mpi.h>

#include <gnutls/x509.h>

#ifdef __FILE__

#ifdef __LINE__

#define gnutls_assert() _gnutls_assert_log( "ASSERT: %s[%s]:%d\n", __FILE__,__func__,__LINE__);

#else

#define gnutls_assert()

#endif

#else				/* __FILE__ not defined */

#define gnutls_assert()

#endif

int _gnutls_asn2err(int asn_err) __GNUTLS_CONST__;

void _gnutls_log(int, const char *fmt, ...)

#ifdef __GNUC__

    __attribute__ ((format(printf, 2, 3)));

#else

;

#endif

void _gnutls_audit_log(gnutls_session_t, const char *fmt, ...)

#ifdef __GNUC__

    __attribute__ ((format(printf, 2, 3)));

#else

;

#endif

void _gnutls_mpi_log(const char *prefix, bigint_t a);

#define _gnutls_cert_log(str, cert) \

	do { \

		if (unlikely(_gnutls_log_level >= 3 && cert != NULL)) { \

			gnutls_datum_t _cl_out; int _cl_ret; \

			_cl_ret = gnutls_x509_crt_print(cert, GNUTLS_CRT_PRINT_ONELINE, &_cl_out); \

			if (_cl_ret >= 0) { \

				_gnutls_log( 3, "%s: %s\n", str, _cl_out.data); \

				gnutls_free(_cl_out.data); \

	                } \

		} \

        } while(0)

#define _gnutls_dn_log(str, dn) \

	do { \

		if (unlikely(_gnutls_log_level >= 3)) { \

			gnutls_datum_t _cl_out; int _cl_ret; \

			_cl_ret = gnutls_x509_rdn_get2((dn), &_cl_out, 0); \

			if (_cl_ret >= 0) { \

				_gnutls_log( 3, "%s: %s\n", str, _cl_out.data); \

				gnutls_free(_cl_out.data); \

	                } \

		} \

        } while(0)

#define _gnutls_reason_log(str, status) \

	do { \

		if (unlikely(_gnutls_log_level >= 3)) { \

			gnutls_datum_t _cl_out; int _cl_ret; \

			_cl_ret = gnutls_certificate_verification_status_print(status, GNUTLS_CRT_X509, &_cl_out, 0); \

			if (_cl_ret >= 0) { \

				_gnutls_log( 3, "%s: %s\n", str, _cl_out.data); \

				gnutls_free(_cl_out.data); \

	                } \

		} \

         } while(0)

#ifdef C99_MACROS

#define LEVEL(l, ...) do { if (unlikely(_gnutls_log_level >= l)) \

      _gnutls_log( l, __VA_ARGS__); } while(0)

#define _gnutls_debug_log(...) LEVEL(2, __VA_ARGS__)

#define _gnutls_assert_log(...) LEVEL(3, __VA_ARGS__)

#define _gnutls_handshake_log(...) LEVEL(4, __VA_ARGS__)

#define _gnutls_record_log(...) LEVEL(5, __VA_ARGS__)

#define _gnutls_dtls_log(...) LEVEL(6, __VA_ARGS__)

#define _gnutls_hard_log(...) LEVEL(9, __VA_ARGS__)

#define _gnutls_read_log(...) LEVEL(10, __VA_ARGS__)

#define _gnutls_write_log(...) LEVEL(11, __VA_ARGS__)

#define _gnutls_io_log(...) LEVEL(12, __VA_ARGS__)

#define _gnutls_buffers_log(...) LEVEL(13, __VA_ARGS__)

#else

#define _gnutls_debug_log _gnutls_null_log

#define _gnutls_assert_log _gnutls_null_log

#define _gnutls_handshake_log _gnutls_null_log

#define _gnutls_io_log _gnutls_null_log

#define _gnutls_buffers_log _gnutls_null_log

#define _gnutls_hard_log _gnutls_null_log

#define _gnutls_record_log _gnutls_null_log

#define _gnutls_dtls_log _gnutls_null_log

#define _gnutls_read_log _gnutls_null_log

#define _gnutls_write_log _gnutls_null_log

void _gnutls_null_log(void *, ...);

#endif				/* C99_MACROS */

/* GCC won't inline this by itself and results in a "fatal warning"

   otherwise. Making this a macro has been tried, but it interacts

   badly with the do..while in the expansion. Welcome to the dark

   side. */

static inline

#ifdef __GNUC__

    __attribute__ ((always_inline))

#endif

int gnutls_assert_val_int(int val, const char *file, const char *func, int line)

{

	_gnutls_assert_log( "ASSERT: %s[%s]:%d\n", file,func,line);

	return val;

}

#define gnutls_assert_val(x) gnutls_assert_val_int(x, __FILE__, __func__, __LINE__)

#define gnutls_assert_val_fatal(x) (((x)!=GNUTLS_E_AGAIN && (x)!=GNUTLS_E_INTERRUPTED)?gnutls_assert_val_int(x, __FILE__, __func__, __LINE__):(x))

#endif				/* GNUTLS_ERRORS_H */