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This commit is contained in:
Werner Koch 1998-04-20 15:58:36 +00:00
parent 1696bd1fce
commit a20037b7d4
1 changed files with 125 additions and 0 deletions
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125
g10/dearmor.c Normal file
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/* dearmor.c - Armor utility
* Copyright (C) 1998 Free Software Foundation, Inc.
*
* This file is part of GNUPG.
*
* GNUPG is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* GNUPG 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 General Public License for more details.
*
* You should have received a copy of the GNU 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
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <assert.h>
#include "errors.h"
#include "iobuf.h"
#include "memory.h"
#include "util.h"
#include "filter.h"
#include "packet.h"
#include "options.h"
#include "main.h"
/****************
* Take an armor file and write it out without armor
*/
int
dearmor_file( const char *fname )
{
armor_filter_context_t afx;
IOBUF inp = NULL, out = NULL;
int rc = 0;
int c;
memset( &afx, 0, sizeof afx);
/* prepare iobufs */
if( !(inp = iobuf_open(fname)) ) {
log_error("can't open %s: %s\n", fname? fname: "[stdin]",
strerror(errno) );
rc = G10ERR_OPEN_FILE;
goto leave;
}
iobuf_push_filter( inp, armor_filter, &afx );
if( !(out = open_outfile( fname, 0 )) ) {
rc = G10ERR_CREATE_FILE;
goto leave;
}
while( (c = iobuf_get(inp)) != -1 )
iobuf_put( out, c );
leave:
if( rc )
iobuf_cancel(out);
else
iobuf_close(out);
iobuf_close(inp);
return rc;
}
/****************
* Take file and write it out with armor
*/
int
enarmor_file( const char *fname )
{
armor_filter_context_t afx;
IOBUF inp = NULL, out = NULL;
int rc = 0;
int c;
memset( &afx, 0, sizeof afx);
/* prepare iobufs */
if( !(inp = iobuf_open(fname)) ) {
log_error("can't open %s: %s\n", fname? fname: "[stdin]",
strerror(errno) );
rc = G10ERR_OPEN_FILE;
goto leave;
}
if( !(out = open_outfile( fname, 1 )) ) {
rc = G10ERR_CREATE_FILE;
goto leave;
}
afx.what = 4;
afx.hdrlines = "Comment: Use \"gpgm --dearmor\" for unpacking\n";
iobuf_push_filter( out, armor_filter, &afx );
while( (c = iobuf_get(inp)) != -1 )
iobuf_put( out, c );
leave:
if( rc )
iobuf_cancel(out);
else
iobuf_close(out);
iobuf_close(inp);
return rc;
}