106 lines
2.4 KiB
C
106 lines
2.4 KiB
C
/* signers.c - maintain signer sets
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* Copyright (C) 2001 Werner Koch (dd9jn)
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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 <assert.h>
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#include "util.h"
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#include "context.h"
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#include "rungpg.h"
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/* The signers are directly stored in the context.
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* So this is quite different to a recipient set.
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*/
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void
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gpgme_signers_clear (GpgmeCtx c)
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{
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int i;
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return_if_fail (c);
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if (!c->signers)
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return;
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for (i=0; i < c->signers_size; i++ ) {
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if (!c->signers[i])
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break;
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gpgme_key_unref (c->signers[i]);
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c->signers[i] = NULL;
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}
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}
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GpgmeError
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gpgme_signers_add (GpgmeCtx c, const GpgmeKey key)
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{
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int i = 0;
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if (!c || !key)
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return mk_error (Invalid_Value);
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if (!c->signers)
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c->signers_size = 0;
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for (i=0; i < c->signers_size && c->signers[i]; i++ )
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;
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if ( !(i < c->signers_size) ) {
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GpgmeKey *newarr;
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int j;
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int n = c->signers_size + 5;
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newarr = xtrycalloc ( n, sizeof *newarr );
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if ( !newarr )
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return mk_error (Out_Of_Core);
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for (j=0; j < c->signers_size; j++ )
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newarr[j] = c->signers[j];
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c->signers_size = n;
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}
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gpgme_key_ref (key);
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c->signers[i] = key;
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return 0;
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}
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GpgmeKey
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gpgme_signers_enum (const GpgmeCtx c, int seq )
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{
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int i;
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return_null_if_fail (c);
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return_null_if_fail (seq>=0);
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if (!c->signers)
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c->signers_size = 0;
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for (i=0; i < c->signers_size && c->signers[i]; i++ ) {
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if (i==seq) {
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gpgme_key_ref (c->signers[i]);
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return c->signers[i];
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}
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}
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return NULL;
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}
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