mirror of git://git.gnupg.org/gnupg.git
83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
/* verify.c - verify signed data
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* Copyright (C) 1998 Free Software Foundation, Inc.
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*
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* This file is part of GNUPG.
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*
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* GNUPG 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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* GNUPG 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 <errno.h>
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#include <assert.h>
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#include "options.h"
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#include "packet.h"
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#include "errors.h"
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#include "iobuf.h"
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#include "keydb.h"
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#include "memory.h"
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#include "util.h"
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#include "main.h"
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#include "i18n.h"
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/****************
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* Assume that the input is an encrypted message and decrypt
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* (and if signed, verify the signature) it.
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* This command differs from the default operation, as it never
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* write to the filename which is included in the file and that it
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* rejects files which don't begin with an encrypted message.
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*/
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int
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decrypt_message( const char *filename )
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{
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IOBUF fp;
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armor_filter_context_t afx;
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int rc;
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int no_out=0;
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/* open the message file */
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fp = iobuf_open(filename);
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if( !fp ) {
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log_error(_("can't open '%s'\n"), print_fname_stdin(filename));
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return G10ERR_OPEN_FILE;
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}
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if( !opt.no_armor ) {
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if( use_armor_filter( fp ) ) {
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memset( &afx, 0, sizeof afx);
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iobuf_push_filter( fp, armor_filter, &afx );
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}
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}
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if( !opt.outfile ) {
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no_out = 1;
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opt.outfile = "-";
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}
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rc = proc_encryption_packets( fp );
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if( no_out )
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opt.outfile = NULL;
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iobuf_close(fp);
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return rc;
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}
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