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Diffstat (limited to 'guile/src/utils.c')
| -rw-r--r-- | guile/src/utils.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/guile/src/utils.c b/guile/src/utils.c new file mode 100644 index 0000000..88db963 --- /dev/null +++ b/guile/src/utils.c @@ -0,0 +1,67 @@ +/* GnuTLS --- Guile bindings for GnuTLS. + Copyright (C) 2007-2012, 2019 Free Software Foundation, Inc. + + 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. + + GnuTLS 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 GnuTLS; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ + +/* Written by Ludovic Courtès <ludo@chbouib.org>. */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "utils.h" + +#include <gnutls/gnutls.h> +#include <libguile.h> + +#include "enums.h" +#include "errors.h" + +SCM +scm_from_gnutls_key_usage_flags (unsigned int c_usage) +{ + SCM usage = SCM_EOL; + +#define MATCH_USAGE(_value) \ + if (c_usage & (_value)) \ + { \ + usage = scm_cons (scm_from_gnutls_key_usage (_value), \ + usage); \ + c_usage &= ~(_value); \ + } + + /* when the key is to be used for signing: */ + MATCH_USAGE (GNUTLS_KEY_DIGITAL_SIGNATURE); + MATCH_USAGE (GNUTLS_KEY_NON_REPUDIATION); + /* when the key is to be used for encryption: */ + MATCH_USAGE (GNUTLS_KEY_KEY_ENCIPHERMENT); + MATCH_USAGE (GNUTLS_KEY_DATA_ENCIPHERMENT); + MATCH_USAGE (GNUTLS_KEY_KEY_AGREEMENT); + MATCH_USAGE (GNUTLS_KEY_KEY_CERT_SIGN); + MATCH_USAGE (GNUTLS_KEY_CRL_SIGN); + MATCH_USAGE (GNUTLS_KEY_ENCIPHER_ONLY); + MATCH_USAGE (GNUTLS_KEY_DECIPHER_ONLY); + + if (EXPECT_FALSE (c_usage != 0)) + /* XXX: We failed to interpret one of the usage flags. */ + scm_gnutls_error (GNUTLS_E_UNIMPLEMENTED_FEATURE, __func__); + +#undef MATCH_USAGE + + return usage; +} + +/* arch-tag: a55fe230-ead7-495d-ab11-dfe18452ca2a + */ |