diff options
Diffstat (limited to 'src/libtpmtss/plugins/tpm/tpm_plugin.c')
-rw-r--r-- | src/libtpmtss/plugins/tpm/tpm_plugin.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/libtpmtss/plugins/tpm/tpm_plugin.c b/src/libtpmtss/plugins/tpm/tpm_plugin.c new file mode 100644 index 000000000..b9a4c12a8 --- /dev/null +++ b/src/libtpmtss/plugins/tpm/tpm_plugin.c @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2017 Andreas Steffen + * HSR 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. + */ + +#include "tpm_plugin.h" +#include "tpm_private_key.h" +#include "tpm_rng.h" + +#include <library.h> + +typedef struct private_tpm_plugin_t private_tpm_plugin_t; + +/** + * private data of tpm_plugin + */ +struct private_tpm_plugin_t { + + /** + * public functions + */ + tpm_plugin_t public; +}; + +METHOD(plugin_t, get_name, char*, + private_tpm_plugin_t *this) +{ + return "tpm"; +} + +METHOD(plugin_t, get_features, int, + private_tpm_plugin_t *this, plugin_feature_t *features[]) +{ + static plugin_feature_t f_rng[] = { + PLUGIN_REGISTER(RNG, tpm_rng_create), + PLUGIN_PROVIDE(RNG, RNG_STRONG), + PLUGIN_PROVIDE(RNG, RNG_TRUE), + }; + static plugin_feature_t f_privkey[] = { + PLUGIN_REGISTER(PRIVKEY, tpm_private_key_connect, FALSE), + PLUGIN_PROVIDE(PRIVKEY, KEY_ANY), + }; + static plugin_feature_t f[countof(f_rng) + countof(f_privkey)] = {}; + + static int count = 0; + + if (!count) + { + plugin_features_add(f, f_privkey, countof(f_privkey), &count); + + if (lib->settings->get_bool(lib->settings, + "%s.plugins.tpm.use_rng", FALSE, lib->ns)) + { + plugin_features_add(f, f_rng, countof(f_rng), &count); + } + } + *features = f; + + return count; +} + +METHOD(plugin_t, destroy, void, + private_tpm_plugin_t *this) +{ + free(this); +} + +/* + * see header file + */ +plugin_t *tpm_plugin_create() +{ + private_tpm_plugin_t *this; + + INIT(this, + .public = { + .plugin = { + .get_name = _get_name, + .get_features = _get_features, + .destroy = _destroy, + }, + }, + ); + + return &this->public.plugin; +} |