7a1e7006d0
* src/debug.h: Protect macros using. (_trace_err, _trace_sysres, _trace_syserr): New helper inline functions. Signed-off-by: Werner Koch <wk@gnupg.org>
120 lines
2.8 KiB
C
120 lines
2.8 KiB
C
/* signers.c - Maintain signer sets.
|
||
* Copyright (C) 2001 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, see <https://gnu.org/licenses/>.
|
||
* SPDX-License-Identifier: LGPL-2.1-or-later
|
||
*/
|
||
|
||
#if HAVE_CONFIG_H
|
||
#include <config.h>
|
||
#endif
|
||
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <assert.h>
|
||
#include <errno.h>
|
||
|
||
#include "gpgme.h"
|
||
#include "util.h"
|
||
#include "context.h"
|
||
#include "debug.h"
|
||
|
||
|
||
/* Delete all signers from CTX. */
|
||
void
|
||
_gpgme_signers_clear (gpgme_ctx_t ctx)
|
||
{
|
||
unsigned int i;
|
||
|
||
if (!ctx || !ctx->signers)
|
||
return;
|
||
|
||
for (i = 0; i < ctx->signers_len; i++)
|
||
{
|
||
assert (ctx->signers[i]);
|
||
gpgme_key_unref (ctx->signers[i]);
|
||
ctx->signers[i] = NULL;
|
||
}
|
||
ctx->signers_len = 0;
|
||
}
|
||
|
||
|
||
void
|
||
gpgme_signers_clear (gpgme_ctx_t ctx)
|
||
{
|
||
TRACE (DEBUG_CTX, "gpgme_signers_clear", ctx, "");
|
||
_gpgme_signers_clear (ctx);
|
||
}
|
||
|
||
|
||
/* Add KEY to list of signers in CTX. */
|
||
gpgme_error_t
|
||
gpgme_signers_add (gpgme_ctx_t ctx, const gpgme_key_t key)
|
||
{
|
||
TRACE_BEG (DEBUG_CTX, "gpgme_signers_add", ctx,
|
||
"key=%p (%s)", key, (key && key->subkeys && key->subkeys->fpr) ?
|
||
key->subkeys->fpr : "invalid");
|
||
|
||
if (!ctx || !key)
|
||
return TRACE_ERR (gpg_error (GPG_ERR_INV_VALUE));
|
||
|
||
if (ctx->signers_len == ctx->signers_size)
|
||
{
|
||
gpgme_key_t *newarr;
|
||
int n = ctx->signers_size + 5;
|
||
int j;
|
||
|
||
newarr = realloc (ctx->signers, n * sizeof (*newarr));
|
||
if (!newarr)
|
||
return TRACE_ERR (gpg_error_from_syserror ());
|
||
for (j = ctx->signers_size; j < n; j++)
|
||
newarr[j] = NULL;
|
||
ctx->signers = newarr;
|
||
ctx->signers_size = n;
|
||
}
|
||
|
||
gpgme_key_ref (key);
|
||
ctx->signers[ctx->signers_len++] = key;
|
||
TRACE_SUC ("");
|
||
return 0;
|
||
}
|
||
|
||
|
||
/* Return the number of signers in CTX. */
|
||
unsigned int
|
||
gpgme_signers_count (const gpgme_ctx_t ctx)
|
||
{
|
||
return ctx? ctx->signers_len : 0;
|
||
}
|
||
|
||
|
||
/* Return the SEQth signer's key in CTX with one reference. */
|
||
gpgme_key_t
|
||
gpgme_signers_enum (const gpgme_ctx_t ctx, int seq)
|
||
{
|
||
unsigned int seqno;
|
||
|
||
if (!ctx || seq < 0)
|
||
return NULL;
|
||
|
||
seqno = (unsigned int) seq;
|
||
if (seqno >= ctx->signers_len)
|
||
return NULL;
|
||
gpgme_key_ref (ctx->signers[seqno]);
|
||
return ctx->signers[seqno];
|
||
}
|