150 lines
3.3 KiB
C
150 lines
3.3 KiB
C
/* delete.c - delete a key
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* Copyright (C) 2001, 2002 g10 Code GmbH
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*
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* This file is part of GPGME.
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*
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* GPGME is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GPGME is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <assert.h>
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#include "util.h"
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#include "context.h"
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#include "ops.h"
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#include "key.h"
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enum delete_problem
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{
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DELETE_No_Problem = 0,
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DELETE_No_Such_Key = 1,
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DELETE_Must_Delete_Secret_Key = 2,
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DELETE_Ambiguous_Specification = 3
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};
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struct delete_result_s
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{
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enum delete_problem problem;
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};
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void
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_gpgme_release_delete_result (DeleteResult result)
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{
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if (!result)
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return;
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xfree (result);
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}
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static void
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delete_status_handler (GpgmeCtx ctx, GpgmeStatusCode code, char *args)
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{
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if (ctx->error)
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return;
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test_and_allocate_result (ctx, delete);
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switch (code)
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{
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case GPGME_STATUS_EOF:
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switch (ctx->result.delete->problem)
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{
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case DELETE_No_Problem:
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break;
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case DELETE_No_Such_Key:
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ctx->error = mk_error(Invalid_Key);
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break;
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case DELETE_Must_Delete_Secret_Key:
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ctx->error = mk_error(Conflict);
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break;
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case DELETE_Ambiguous_Specification:
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/* XXX Need better error value. Fall through. */
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default:
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ctx->error = mk_error(General_Error);
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break;
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}
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break;
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case GPGME_STATUS_DELETE_PROBLEM:
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ctx->result.delete->problem = atoi (args);
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break;
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default:
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/* Ignore all other codes. */
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break;
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}
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}
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static GpgmeError
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_gpgme_op_delete_start (GpgmeCtx ctx, int synchronous,
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const GpgmeKey key, int allow_secret)
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{
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GpgmeError err = 0;
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err = _gpgme_op_reset (ctx, synchronous);
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if (err)
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goto leave;
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_gpgme_engine_set_status_handler (ctx->engine, delete_status_handler, ctx);
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_gpgme_engine_set_verbosity (ctx->engine, ctx->verbosity);
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err = _gpgme_engine_op_delete (ctx->engine, key, allow_secret);
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if (!err)
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err = _gpgme_engine_start (ctx->engine, ctx);
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leave:
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if (err)
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{
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ctx->pending = 0;
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_gpgme_engine_release (ctx->engine);
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ctx->engine = NULL;
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}
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return err;
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}
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GpgmeError
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gpgme_op_delete_start (GpgmeCtx ctx, const GpgmeKey key, int allow_secret)
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{
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return _gpgme_op_delete_start (ctx, 0, key, allow_secret);
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}
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/**
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* gpgme_op_delete:
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* @c: Context
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* @key: A Key Object
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* @allow_secret: Allow secret key delete
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*
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* Delete the give @key from the key database. To delete a secret
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* along with the public key, @allow_secret must be true.
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*
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* Return value: 0 on success or an error code.
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**/
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GpgmeError
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gpgme_op_delete (GpgmeCtx ctx, const GpgmeKey key, int allow_secret)
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{
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GpgmeError err = _gpgme_op_delete_start (ctx, 1, key, allow_secret);
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if (!err)
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err = _gpgme_wait_one (ctx);
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return err;
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}
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