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-rw-r--r--src/decrypt-verify.c121
1 files changed, 121 insertions, 0 deletions
diff --git a/src/decrypt-verify.c b/src/decrypt-verify.c
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+++ b/src/decrypt-verify.c
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+/* decrypt-verify.c - Decrypt and verify function.
+ Copyright (C) 2000 Werner Koch (dd9jn)
+ Copyright (C) 2001, 2002, 2003, 2004 g10 Code GmbH
+
+ This file is part of GPGME.
+
+ GPGME 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.
+
+ GPGME 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, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
+
+#if HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "debug.h"
+#include "gpgme.h"
+#include "ops.h"
+
+
+static gpgme_error_t
+decrypt_verify_status_handler (void *priv, gpgme_status_code_t code,
+ char *args)
+{
+ gpgme_error_t err;
+
+ err = _gpgme_progress_status_handler (priv, code, args);
+ if (!err)
+ err = _gpgme_decrypt_status_handler (priv, code, args);
+ if (!err)
+ err = _gpgme_verify_status_handler (priv, code, args);
+ return err;
+}
+
+
+static gpgme_error_t
+decrypt_verify_start (gpgme_ctx_t ctx, int synchronous,
+ gpgme_data_t cipher, gpgme_data_t plain)
+{
+ gpgme_error_t err;
+
+ err = _gpgme_op_reset (ctx, synchronous);
+ if (err)
+ return err;
+
+ err = _gpgme_op_decrypt_init_result (ctx);
+ if (err)
+ return err;
+
+ err = _gpgme_op_verify_init_result (ctx);
+ if (err)
+ return err;
+
+ if (!cipher)
+ return gpg_error (GPG_ERR_NO_DATA);
+ if (!plain)
+ return gpg_error (GPG_ERR_INV_VALUE);
+
+ if (ctx->passphrase_cb)
+ {
+ err = _gpgme_engine_set_command_handler
+ (ctx->engine, _gpgme_passphrase_command_handler, ctx, NULL);
+ if (err)
+ return err;
+ }
+
+ _gpgme_engine_set_status_handler (ctx->engine,
+ decrypt_verify_status_handler, ctx);
+
+ return _gpgme_engine_op_decrypt_verify (ctx->engine, cipher, plain);
+}
+
+
+/* Decrypt ciphertext CIPHER and make a signature verification within
+ CTX and store the resulting plaintext in PLAIN. */
+gpgme_error_t
+gpgme_op_decrypt_verify_start (gpgme_ctx_t ctx, gpgme_data_t cipher,
+ gpgme_data_t plain)
+{
+ gpgme_error_t err;
+
+ TRACE_BEG2 (DEBUG_CTX, "gpgme_op_decrypt_verify_start", ctx,
+ "cipher=%p, plain=%p", cipher, plain);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ err = decrypt_verify_start (ctx, 0, cipher, plain);
+ return TRACE_ERR (err);
+}
+
+
+/* Decrypt ciphertext CIPHER and make a signature verification within
+ CTX and store the resulting plaintext in PLAIN. */
+gpgme_error_t
+gpgme_op_decrypt_verify (gpgme_ctx_t ctx, gpgme_data_t cipher,
+ gpgme_data_t plain)
+{
+ gpgme_error_t err;
+
+ TRACE_BEG2 (DEBUG_CTX, "gpgme_op_decrypt_verify", ctx,
+ "cipher=%p, plain=%p", cipher, plain);
+
+ if (!ctx)
+ return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
+
+ err = decrypt_verify_start (ctx, 1, cipher, plain);
+ if (!err)
+ err = _gpgme_wait_one (ctx);
+ return TRACE_ERR (err);
+}