mirror of
git://git.gnupg.org/gnupg.git
synced 2024-12-22 10:19:57 +01:00
390497ea11
-- We need to use es_fopen on Windows to cope with non-ascii file names. This is quite a large but fortunately straightforward change. At a very few places we keep using stdio (for example due to the use of popen). GnuPG-bug-id: 5098 Signed-off-by: Werner Koch <wk@gnupg.org>
119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/* migrate.c - Migrate from earlier GnupG versions.
|
|
* Copyright (C) 2014 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 <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
|
|
#include "gpg.h"
|
|
#include "options.h"
|
|
#include "keydb.h"
|
|
#include "../common/util.h"
|
|
#include "main.h"
|
|
#include "call-agent.h"
|
|
|
|
|
|
#ifdef HAVE_DOSISH_SYSTEM
|
|
# define V21_MIGRATION_FNAME "gpg-v21-migrated"
|
|
#else
|
|
# define V21_MIGRATION_FNAME ".gpg-v21-migrated"
|
|
#endif
|
|
|
|
|
|
/* Check whether a default secring.gpg from GnuPG < 2.1 exists and
|
|
import it if not yet done. */
|
|
void
|
|
migrate_secring (ctrl_t ctrl)
|
|
{
|
|
dotlock_t lockhd = NULL;
|
|
char *secring = NULL;
|
|
char *flagfile = NULL;
|
|
char *agent_version = NULL;
|
|
|
|
secring = make_filename (gnupg_homedir (), "secring" EXTSEP_S "gpg", NULL);
|
|
if (gnupg_access (secring, F_OK))
|
|
goto leave; /* Does not exist or is not readable. */
|
|
flagfile = make_filename (gnupg_homedir (), V21_MIGRATION_FNAME, NULL);
|
|
if (!gnupg_access (flagfile, F_OK))
|
|
goto leave; /* Does exist - fine. */
|
|
|
|
log_info ("starting migration from earlier GnuPG versions\n");
|
|
|
|
lockhd = dotlock_create (flagfile, 0);
|
|
if (!lockhd)
|
|
{
|
|
log_error ("can't allocate lock for '%s': %s\n",
|
|
flagfile, gpg_strerror (gpg_error_from_syserror ()));
|
|
goto leave;
|
|
}
|
|
if (dotlock_take (lockhd, -1))
|
|
{
|
|
log_error ("can't lock '%s': %s\n",
|
|
flagfile, gpg_strerror (gpg_error_from_syserror ()));
|
|
dotlock_destroy (lockhd);
|
|
lockhd = NULL;
|
|
goto leave;
|
|
}
|
|
|
|
if (!agent_get_version (ctrl, &agent_version))
|
|
{
|
|
if (!gnupg_compare_version (agent_version, "2.1.0"))
|
|
{
|
|
log_error ("error: GnuPG agent version \"%s\" is too old. ",
|
|
agent_version);
|
|
log_info ("Please make sure that a recent gpg-agent is running.\n");
|
|
log_info ("(restarting the user session may achieve this.)\n");
|
|
log_info ("migration aborted\n");
|
|
xfree (agent_version);
|
|
goto leave;
|
|
}
|
|
xfree (agent_version);
|
|
}
|
|
else
|
|
{
|
|
log_error ("error: GnuPG agent unusable. "
|
|
"Please check that a GnuPG agent can be started.\n");
|
|
log_error ("migration aborted\n");
|
|
goto leave;
|
|
}
|
|
|
|
log_info ("porting secret keys from '%s' to gpg-agent\n", secring);
|
|
if (!import_old_secring (ctrl, secring))
|
|
{
|
|
estream_t fp = es_fopen (flagfile, "w");
|
|
if (!fp || es_fclose (fp))
|
|
log_error ("error creating flag file '%s': %s\n",
|
|
flagfile, gpg_strerror (gpg_error_from_syserror ()));
|
|
else
|
|
log_info ("migration succeeded\n");
|
|
}
|
|
|
|
leave:
|
|
if (lockhd)
|
|
{
|
|
dotlock_release (lockhd);
|
|
dotlock_destroy (lockhd);
|
|
}
|
|
xfree (flagfile);
|
|
xfree (secring);
|
|
}
|