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/* delete.c - Delete a key.
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 <errno.h>
#include "debug.h"
#include "gpgme.h"
#include "context.h"
#include "ops.h"
static gpgme_error_t
delete_status_handler (void *priv, gpgme_status_code_t code, char *args)
{
(void)priv;
if (code == GPGME_STATUS_DELETE_PROBLEM)
{
enum delete_problem
{
DELETE_No_Problem = 0,
DELETE_No_Such_Key = 1,
DELETE_Must_Delete_Secret_Key = 2,
DELETE_Ambiguous_Specification = 3
};
long problem;
char *tail;
gpg_err_set_errno (0);
problem = strtol (args, &tail, 0);
if (errno || (*tail && *tail != ' '))
return trace_gpg_error (GPG_ERR_INV_ENGINE);
switch (problem)
{
case DELETE_No_Problem:
break;
case DELETE_No_Such_Key:
return gpg_error (GPG_ERR_NO_PUBKEY);
case DELETE_Must_Delete_Secret_Key:
return gpg_error (GPG_ERR_CONFLICT);
case DELETE_Ambiguous_Specification:
return gpg_error (GPG_ERR_AMBIGUOUS_NAME);
}
return gpg_error (GPG_ERR_GENERAL);
}
else if (code == GPGME_STATUS_ERROR)
{
/* Some error stati are informational, so we don't return an
error code if we are not ready to process this status. */
gpgme_error_t err;
char *where = strchr (args, ' ');
char *which;
if (where)
{
*where = '\0';
which = where + 1;
where = strchr (which, ' ');
if (where)
*where = '\0';
where = args;
}
else
return trace_gpg_error (GPG_ERR_INV_ENGINE);
err = atoi (which);
if (!strcmp (where, "delete_key.secret")
&& (gpg_err_code (err) == GPG_ERR_CANCELED
|| gpg_err_code (err) == GPG_ERR_FULLY_CANCELED))
{
/* This indicates a user cancellation on the confirmation dialog. */
return gpg_error (gpg_err_code (err));
}
}
return 0;
}
static gpgme_error_t
delete_start (gpgme_ctx_t ctx, int synchronous, const gpgme_key_t key,
unsigned int flags)
{
gpgme_error_t err;
err = _gpgme_op_reset (ctx, synchronous);
if (err)
return err;
_gpgme_engine_set_status_handler (ctx->engine, delete_status_handler, ctx);
return _gpgme_engine_op_delete (ctx->engine, key, flags);
}
/* Delete KEY from the keyring. If ALLOW_SECRET is non-zero, secret
keys are also deleted. */
gpgme_error_t
gpgme_op_delete_start (gpgme_ctx_t ctx, const gpgme_key_t key,
int allow_secret)
{
gpgme_error_t err;
TRACE_BEG3 (DEBUG_CTX, "gpgme_op_delete_start", ctx,
"key=%p (%s), allow_secret=%i", key,
(key->subkeys && key->subkeys->fpr) ?
key->subkeys->fpr : "invalid", allow_secret);
if (!ctx)
return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
err = delete_start (ctx, 0, key,
allow_secret ? GPGME_DELETE_ALLOW_SECRET : 0);
return TRACE_ERR (err);
}
/* Delete KEY from the keyring. If ALLOW_SECRET is non-zero, secret
keys are also deleted. */
gpgme_error_t
gpgme_op_delete (gpgme_ctx_t ctx, const gpgme_key_t key, int allow_secret)
{
gpgme_error_t err;
TRACE_BEG3 (DEBUG_CTX, "gpgme_op_delete", ctx,
"key=%p (%s), allow_secret=%i", key,
(key->subkeys && key->subkeys->fpr) ?
key->subkeys->fpr : "invalid", allow_secret);
if (!ctx)
return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
err = delete_start (ctx, 1, key,
allow_secret ? GPGME_DELETE_ALLOW_SECRET : 0);
if (!err)
err = _gpgme_wait_one (ctx);
return err;
}
/* Delete KEY from the keyring. */
gpgme_error_t
gpgme_op_delete_ext_start (gpgme_ctx_t ctx, const gpgme_key_t key,
unsigned int flags)
{
gpgme_error_t err;
TRACE_BEG3 (DEBUG_CTX, "gpgme_op_delete_ext_start", ctx,
"key=%p (%s), flags=0x%x", key,
(key->subkeys && key->subkeys->fpr) ?
key->subkeys->fpr : "invalid", flags);
if (!ctx)
return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
err = delete_start (ctx, 0, key, flags);
return TRACE_ERR (err);
}
/* Delete KEY from the keyring. */
gpgme_error_t
gpgme_op_delete_ext (gpgme_ctx_t ctx, const gpgme_key_t key,
unsigned int flags)
{
gpgme_error_t err;
TRACE_BEG3 (DEBUG_CTX, "gpgme_op_delete_ext", ctx,
"key=%p (%s), flags=0x%x", key,
(key->subkeys && key->subkeys->fpr) ?
key->subkeys->fpr : "invalid", flags);
if (!ctx)
return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
err = delete_start (ctx, 1, key, flags);
if (!err)
err = _gpgme_wait_one (ctx);
return err;
}
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