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Diffstat (limited to '')
| -rw-r--r-- | gpgme/edit.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/gpgme/edit.c b/gpgme/edit.c new file mode 100644 index 00000000..9b9ee740 --- /dev/null +++ b/gpgme/edit.c @@ -0,0 +1,158 @@ +/* edit.c - key edit functions + * Copyright (C) 2002 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 General Public License as published by + * the Free Software Foundation; either version 2 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 General Public License for more details. + * + * You should have received a copy of the GNU 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 + */ + +#include <config.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> + +#include "util.h" +#include "context.h" +#include "ops.h" + + +struct edit_result_s +{ + GpgmeEditCb fnc; + void *fnc_value; +}; + +void +_gpgme_release_edit_result (EditResult result) +{ + if (!result) + return; + xfree (result); +} + +void +_gpgme_edit_status_handler (GpgmeCtx ctx, GpgmeStatusCode status, char *args) +{ + _gpgme_passphrase_status_handler (ctx, status, args); + + if (ctx->error) + return; + + ctx->error = (*ctx->result.edit->fnc) (ctx->result.edit->fnc_value, status, args, NULL); +} + +static const char * +command_handler (void *opaque, GpgmeStatusCode status, const char *args) +{ + GpgmeCtx ctx = opaque; + const char *result; + + result = _gpgme_passphrase_command_handler (ctx, status, args); + + if (!result) + ctx->error = (*ctx->result.edit->fnc) (ctx->result.edit->fnc_value, status, args, &result); + + return result; +} + +static GpgmeError +_gpgme_op_edit_start (GpgmeCtx ctx, int synchronous, + GpgmeKey key, + GpgmeEditCb fnc, void *fnc_value, + GpgmeData out) +{ + GpgmeError err = 0; + + if (!fnc) + return mk_error (Invalid_Value); + + err = _gpgme_op_reset (ctx, synchronous); + if (err) + goto leave; + + assert (!ctx->result.edit); + ctx->result.edit = xtrymalloc (sizeof *ctx->result.edit); + if (!ctx->result.edit) + { + err = mk_error (Out_Of_Core); + goto leave; + } + ctx->result.edit->fnc = fnc; + ctx->result.edit->fnc_value = fnc_value; + + /* Check the supplied data. */ + if (!out || gpgme_data_get_type (out) != GPGME_DATA_TYPE_NONE) + { + err = mk_error (Invalid_Value); + goto leave; + } + _gpgme_data_set_mode (out, GPGME_DATA_MODE_IN); + + err = _gpgme_engine_set_command_handler (ctx->engine, command_handler, + ctx, out); + if (err) + goto leave; + + _gpgme_engine_set_status_handler (ctx->engine, _gpgme_edit_status_handler, + ctx); + + _gpgme_engine_set_verbosity (ctx->engine, ctx->verbosity); + + _gpgme_engine_op_edit (ctx->engine, key, out); + + /* And kick off the process. */ + err = _gpgme_engine_start (ctx->engine, ctx); + + leave: + if (err) + { + ctx->pending = 0; + _gpgme_engine_release (ctx->engine); + ctx->engine = NULL; + } + return err; +} + +GpgmeError +gpgme_op_edit_start (GpgmeCtx ctx, + GpgmeKey key, + GpgmeEditCb fnc, void *fnc_value, + GpgmeData out) +{ + return _gpgme_op_edit_start (ctx, 0, key, fnc, fnc_value, out); +} + +/** + * gpgme_op_edit: + * @ctx: The context + * @key: The key to be edited. + * @fnc: An edit callback handler. + * @fnc_value: To be passed to @fnc as first arg. + * @out: The output. + * + * Return value: 0 on success or an error code. + **/ +GpgmeError +gpgme_op_edit (GpgmeCtx ctx, + GpgmeKey key, + GpgmeEditCb fnc, void *fnc_value, + GpgmeData out) +{ + GpgmeError err = _gpgme_op_edit_start (ctx, 1, key, fnc, fnc_value, out); + if (!err) + err = _gpgme_wait_one (ctx); + return err; +} |