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70aca95d68
* dirmngr/Makefile.am (AM_CPPFLAGS): Remove -I$(top_srcdir)/common. * g10/Makefile.am (AM_CPPFLAGS): Ditto. * g13/Makefile.am (AM_CPPFLAGS): Ditto. * kbx/Makefile.am (AM_CPPFLAGS): Ditto. * scd/Makefile.am (AM_CPPFLAGS): Ditto. * sm/Makefile.am (AM_CPPFLAGS): Ditto. * tools/Makefile.am (AM_CPPFLAGS): Ditto. * Throughout: Follow the change. Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
/* migrate.c - Migrate from earlier GnupG versions.
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* Copyright (C) 2014 Werner Koch
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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 3 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, see <https://www.gnu.org/licenses/>.
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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 <unistd.h>
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#include "gpg.h"
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#include "options.h"
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#include "keydb.h"
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#include "../common/util.h"
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#include "main.h"
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#include "call-agent.h"
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#ifdef HAVE_DOSISH_SYSTEM
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# define V21_MIGRATION_FNAME "gpg-v21-migrated"
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#else
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# define V21_MIGRATION_FNAME ".gpg-v21-migrated"
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#endif
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/* Check whether a default secring.gpg from GnuPG < 2.1 exists and
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import it if not yet done. */
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void
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migrate_secring (ctrl_t ctrl)
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{
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dotlock_t lockhd = NULL;
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char *secring = NULL;
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char *flagfile = NULL;
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char *agent_version = NULL;
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secring = make_filename (gnupg_homedir (), "secring" EXTSEP_S "gpg", NULL);
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if (access (secring, F_OK))
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goto leave; /* Does not exist or is not readable. */
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flagfile = make_filename (gnupg_homedir (), V21_MIGRATION_FNAME, NULL);
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if (!access (flagfile, F_OK))
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goto leave; /* Does exist - fine. */
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log_info ("starting migration from earlier GnuPG versions\n");
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lockhd = dotlock_create (flagfile, 0);
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if (!lockhd)
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{
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log_error ("can't allocate lock for '%s': %s\n",
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flagfile, gpg_strerror (gpg_error_from_syserror ()));
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goto leave;
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}
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if (dotlock_take (lockhd, -1))
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{
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log_error ("can't lock '%s': %s\n",
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flagfile, gpg_strerror (gpg_error_from_syserror ()));
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dotlock_destroy (lockhd);
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lockhd = NULL;
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goto leave;
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}
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if (!agent_get_version (ctrl, &agent_version))
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{
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if (!gnupg_compare_version (agent_version, "2.1.0"))
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{
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log_error ("error: GnuPG agent version \"%s\" is too old. ",
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agent_version);
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log_info ("Please make sure that a recent gpg-agent is running.\n");
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log_info ("(restarting the user session may achieve this.)\n");
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log_info ("migration aborted\n");
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xfree (agent_version);
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goto leave;
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}
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xfree (agent_version);
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}
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else
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{
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log_error ("error: GnuPG agent unusable. "
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"Please check that a GnuPG agent can be started.\n");
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log_error ("migration aborted\n");
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goto leave;
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}
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log_info ("porting secret keys from '%s' to gpg-agent\n", secring);
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if (!import_old_secring (ctrl, secring))
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{
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FILE *fp = fopen (flagfile, "w");
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if (!fp || fclose (fp))
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log_error ("error creating flag file '%s': %s\n",
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flagfile, gpg_strerror (gpg_error_from_syserror ()));
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else
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log_info ("migration succeeded\n");
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}
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leave:
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if (lockhd)
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{
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dotlock_release (lockhd);
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dotlock_destroy (lockhd);
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}
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xfree (flagfile);
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xfree (secring);
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}
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