diff options
Diffstat (limited to 'src/encrypt-sign.c')
| -rw-r--r-- | src/encrypt-sign.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/encrypt-sign.c b/src/encrypt-sign.c new file mode 100644 index 0000000..7828600 --- /dev/null +++ b/src/encrypt-sign.c @@ -0,0 +1,157 @@ +/* encrypt-sign.c - encrypt and verify functions + 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 <stdlib.h> +#include <string.h> +#include <errno.h> + +#include "gpgme.h" +#include "debug.h" +#include "context.h" +#include "ops.h" + + +static gpgme_error_t +encrypt_sign_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_encrypt_status_handler (priv, code, args); + if (!err) + err = _gpgme_sign_status_handler (priv, code, args); + return err; +} + + +static gpgme_error_t +encrypt_sign_start (gpgme_ctx_t ctx, int synchronous, gpgme_key_t recp[], + gpgme_encrypt_flags_t flags, + gpgme_data_t plain, gpgme_data_t cipher) +{ + gpgme_error_t err; + + err = _gpgme_op_reset (ctx, synchronous); + if (err) + return err; + + if (!plain) + return gpg_error (GPG_ERR_NO_DATA); + if (!cipher || !recp) + return gpg_error (GPG_ERR_INV_VALUE); + + err = _gpgme_op_encrypt_init_result (ctx); + if (err) + return err; + + err = _gpgme_op_sign_init_result (ctx); + if (err) + return err; + + 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, + encrypt_sign_status_handler, ctx); + + return _gpgme_engine_op_encrypt_sign (ctx->engine, recp, flags, plain, + cipher, ctx->use_armor, + ctx /* FIXME */); +} + + +/* Encrypt plaintext PLAIN within CTX for the recipients RECP and + store the resulting ciphertext in CIPHER. Also sign the ciphertext + with the signers in CTX. */ +gpgme_error_t +gpgme_op_encrypt_sign_start (gpgme_ctx_t ctx, gpgme_key_t recp[], + gpgme_encrypt_flags_t flags, + gpgme_data_t plain, gpgme_data_t cipher) +{ + gpgme_error_t err; + + TRACE_BEG3 (DEBUG_CTX, "gpgme_op_encrypt_sign_start", ctx, + "flags=0x%x, plain=%p, cipher=%p", flags, plain, cipher); + + if (!ctx) + return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE)); + + if (_gpgme_debug_trace () && recp) + { + int i = 0; + + while (recp[i]) + { + TRACE_LOG3 ("recipient[%i] = %p (%s)", i, recp[i], + (recp[i]->subkeys && recp[i]->subkeys->fpr) ? + recp[i]->subkeys->fpr : "invalid"); + i++; + } + } + + err = encrypt_sign_start (ctx, 0, recp, flags, plain, cipher); + return err; +} + + +/* Encrypt plaintext PLAIN within CTX for the recipients RECP and + store the resulting ciphertext in CIPHER. Also sign the ciphertext + with the signers in CTX. */ +gpgme_error_t +gpgme_op_encrypt_sign (gpgme_ctx_t ctx, gpgme_key_t recp[], + gpgme_encrypt_flags_t flags, + gpgme_data_t plain, gpgme_data_t cipher) +{ + gpgme_error_t err; + + TRACE_BEG3 (DEBUG_CTX, "gpgme_op_encrypt_sign", ctx, + "flags=0x%x, plain=%p, cipher=%p", flags, plain, cipher); + + if (!ctx) + return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE)); + + if (_gpgme_debug_trace () && recp) + { + int i = 0; + + while (recp[i]) + { + TRACE_LOG3 ("recipient[%i] = %p (%s)", i, recp[i], + (recp[i]->subkeys && recp[i]->subkeys->fpr) ? + recp[i]->subkeys->fpr : "invalid"); + i++; + } + } + + err = encrypt_sign_start (ctx, 1, recp, flags, plain, cipher); + if (!err) + err = _gpgme_wait_one (ctx); + return TRACE_ERR (err); +} |