mirror of
git://git.gnupg.org/gnupg.git
synced 2024-12-23 10:29:58 +01:00
87 lines
2.0 KiB
C
87 lines
2.0 KiB
C
|
/* g13-common.c - Common code for G13 modules
|
||
|
|
* Copyright (C) 2009, 2015 Werner Koch
|
||
|
|
*
|
||
|
|
* 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 <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
#include <config.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <stdarg.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <assert.h>
|
||
|
|
|
||
|
|
#include "g13-common.h"
|
||
|
|
#include <gcrypt.h>
|
||
|
|
#include <assuan.h>
|
||
|
|
#include "i18n.h"
|
||
|
|
#include "sysutils.h"
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* Global variable to keep an error count. */
|
||
|
|
int g13_errors_seen = 0;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* Note: This function is used by signal handlers!. */
|
||
|
|
static void
|
||
|
|
emergency_cleanup (void)
|
||
|
|
{
|
||
|
|
gcry_control (GCRYCTL_TERM_SECMEM);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* Wrapper around gnupg_init_signals. */
|
||
|
|
void
|
||
|
|
g13_init_signals (void)
|
||
|
|
{
|
||
|
|
gnupg_init_signals (0, emergency_cleanup);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* Install a regular exit handler to make real sure that the secure
|
||
|
|
memory gets wiped out. */
|
||
|
|
void
|
||
|
|
g13_install_emergency_cleanup (void)
|
||
|
|
{
|
||
|
|
if (atexit (emergency_cleanup))
|
||
|
|
{
|
||
|
|
log_error ("atexit failed\n");
|
||
|
|
g13_exit (2);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/* Use this function instead of exit() in all g13 modules. */
|
||
|
|
void
|
||
|
|
g13_exit (int rc)
|
||
|
|
{
|
||
|
|
gcry_control (GCRYCTL_UPDATE_RANDOM_SEED_FILE);
|
||
|
|
if (opt.debug & DBG_MEMSTAT_VALUE)
|
||
|
|
{
|
||
|
|
gcry_control( GCRYCTL_DUMP_MEMORY_STATS );
|
||
|
|
gcry_control( GCRYCTL_DUMP_RANDOM_STATS );
|
||
|
|
}
|
||
|
|
if (opt.debug)
|
||
|
|
gcry_control (GCRYCTL_DUMP_SECMEM_STATS );
|
||
|
|
emergency_cleanup ();
|
||
|
|
rc = rc? rc : log_get_errorcount(0)? 2 : g13_errors_seen? 1 : 0;
|
||
|
|
exit (rc);
|
||
|
|
}
|