109 lines
2.7 KiB
C
109 lines
2.7 KiB
C
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/* cms-decrypt.c - Helper to debug the decrupt operation.
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Copyright (C) 2008 g10 Code GmbH
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This file is part of GPGME.
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GPGME is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of
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the License, or (at your option) any later version.
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GPGME is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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/* We need to include config.h so that we know whether we are building
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with large file system (LFS) support. */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <gpgme.h>
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#define PGM "cms-decrypt"
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#include "t-support.h"
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static const char *
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nonnull (const char *s)
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{
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return s? s :"[none]";
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}
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int
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main (int argc, char **argv)
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{
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gpgme_error_t err;
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gpgme_ctx_t ctx;
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gpgme_data_t in, out;
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gpgme_decrypt_result_t result;
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gpgme_recipient_t recp;
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if (argc)
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{ argc--; argv++; }
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if (argc != 1)
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{
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fputs ("usage: " PGM " FILE\n", stderr);
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exit (1);
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}
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init_gpgme (GPGME_PROTOCOL_CMS);
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err = gpgme_new (&ctx);
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fail_if_err (err);
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gpgme_set_protocol (ctx, GPGME_PROTOCOL_CMS);
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err = gpgme_data_new_from_file (&in, *argv, 1);
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fail_if_err (err);
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err = gpgme_data_new (&out);
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fail_if_err (err);
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err = gpgme_op_decrypt (ctx, in, out);
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printf ("gpgme_op_decrypt: %s <%s> (%u)\n",
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gpg_strerror (err), gpg_strsource (err), err);
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result = gpgme_op_decrypt_result (ctx);
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if (!result)
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{
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fputs (PGM ": error: decryption result missing\n", stderr);
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exit (1);
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}
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printf ("unsupported_algorithm: %s\n",
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nonnull (result->unsupported_algorithm));
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printf ("wrong_key_usage: %u\n", result->wrong_key_usage);
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printf ("file_name: %s\n", nonnull (result->file_name));
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for (recp = result->recipients; recp; recp = recp->next)
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{
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printf ("recipient.status: %s <%s> (%u)\n",
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gpg_strerror (recp->status), gpg_strsource (recp->status),
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recp->status);
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printf ("recipient.pkalgo: %d\n", recp->pubkey_algo);
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printf ("recipient.keyid : %s\n", nonnull (recp->keyid));
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}
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if (!err)
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{
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puts ("plaintext:");
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print_data (out);
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gpgme_data_release (out);
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}
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gpgme_data_release (in);
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gpgme_release (ctx);
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return 0;
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}
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