mirror of
git://git.gnupg.org/gnupg.git
synced 2024-11-08 21:18:51 +01:00
132 lines
3.0 KiB
C
132 lines
3.0 KiB
C
/* dearmor.c - Armor utility
|
|
* Copyright (C) 1998, 1999, 2000, 2001 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 3 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, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
|
|
#include "gpg.h"
|
|
#include "../common/status.h"
|
|
#include "../common/iobuf.h"
|
|
#include "../common/util.h"
|
|
#include "filter.h"
|
|
#include "packet.h"
|
|
#include "options.h"
|
|
#include "main.h"
|
|
#include "../common/i18n.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;
|
|
|
|
afx = new_armor_context ();
|
|
|
|
/* prepare iobufs */
|
|
inp = iobuf_open(fname);
|
|
if (inp && is_secured_file (iobuf_get_fd (inp)))
|
|
{
|
|
iobuf_close (inp);
|
|
inp = NULL;
|
|
gpg_err_set_errno (EPERM);
|
|
}
|
|
if (!inp) {
|
|
rc = gpg_error_from_syserror ();
|
|
log_error(_("can't open '%s': %s\n"), fname? fname: "[stdin]",
|
|
strerror(errno) );
|
|
goto leave;
|
|
}
|
|
|
|
push_armor_filter ( afx, inp );
|
|
|
|
if( (rc = open_outfile (-1, fname, 0, 0, &out)) )
|
|
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);
|
|
release_armor_context (afx);
|
|
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;
|
|
|
|
afx = new_armor_context ();
|
|
|
|
/* prepare iobufs */
|
|
inp = iobuf_open(fname);
|
|
if (inp && is_secured_file (iobuf_get_fd (inp)))
|
|
{
|
|
iobuf_close (inp);
|
|
inp = NULL;
|
|
gpg_err_set_errno (EPERM);
|
|
}
|
|
if (!inp) {
|
|
rc = gpg_error_from_syserror ();
|
|
log_error(_("can't open '%s': %s\n"), fname? fname: "[stdin]",
|
|
strerror(errno) );
|
|
goto leave;
|
|
}
|
|
|
|
|
|
if( (rc = open_outfile (-1, fname, 1, 0, &out )) )
|
|
goto leave;
|
|
|
|
afx->what = 4;
|
|
afx->hdrlines = "Comment: Use \"gpg --dearmor\" for unpacking\n";
|
|
push_armor_filter ( afx, out );
|
|
|
|
while( (c = iobuf_get(inp)) != -1 )
|
|
iobuf_put( out, c );
|
|
|
|
|
|
leave:
|
|
if( rc )
|
|
iobuf_cancel(out);
|
|
else
|
|
iobuf_close(out);
|
|
iobuf_close(inp);
|
|
release_armor_context (afx);
|
|
return rc;
|
|
}
|