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    1: /*
    2:  * Copyright (C) 2016 Andreas Steffen
    3:  * HSR Hochschule fuer Technik Rapperswil
    4:  *
    5:  * This program is free software; you can redistribute it and/or modify it
    6:  * under the terms of the GNU General Public License as published by the
    7:  * Free Software Foundation; either version 2 of the License, or (at your
    8:  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
    9:  *
   10:  * This program is distributed in the hope that it will be useful, but
   11:  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   12:  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   13:  * for more details.
   14:  */
   15: 
   16: #include "tpm_tss.h"
   17: #include "tpm_tss_tss2.h"
   18: #include "tpm_tss_trousers.h"
   19: 
   20: /**
   21:  * Register plugins if built statically
   22:  */
   23: #ifdef STATIC_PLUGIN_CONSTRUCTORS
   24: #include "plugin_constructors.c"
   25: #endif
   26: 
   27: /**
   28:  * Described in header.
   29:  */
   30: bool libtpmtss_init(void)
   31: {
   32: 	return tpm_tss_tss2_init();
   33: }
   34: 
   35: /**
   36:  * Described in header.
   37:  */
   38: void libtpmtss_deinit(void)
   39: {
   40: 	tpm_tss_tss2_deinit();
   41: }
   42: 
   43: typedef tpm_tss_t*(*tpm_tss_create)(void);
   44: 
   45: /**
   46:  * See header.
   47:  */
   48: tpm_tss_t *tpm_tss_probe(tpm_version_t version)
   49: {
   50: 	tpm_tss_create stacks[] = {
   51: 		tpm_tss_tss2_create,
   52: 		tpm_tss_trousers_create,
   53: 	};
   54: 	tpm_tss_t *tpm;
   55: 	int i;
   56: 
   57: 	for (i = 0; i < countof(stacks); i++)
   58: 	{
   59: 		tpm = stacks[i]();
   60: 		if (tpm)
   61: 		{
   62: 			if (version == TPM_VERSION_ANY || version == tpm->get_version(tpm))
   63: 			{
   64: 				return tpm;
   65: 			}
   66: 		}
   67: 	}
   68: 	return NULL;
   69: }