mirror of git://git.gnupg.org/gnupg.git
484 lines
13 KiB
C
484 lines
13 KiB
C
/* gpgconf.c - Configuration utility for GnuPG
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* Copyright (C) 2003, 2007, 2009, 2011 Free Software Foundation, Inc.
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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 <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <errno.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 <unistd.h>
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#include "gpgconf.h"
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#include "i18n.h"
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#include "sysutils.h"
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#include "../common/init.h"
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/* Constants to identify the commands and options. */
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enum cmd_and_opt_values
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{
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aNull = 0,
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oDryRun = 'n',
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oOutput = 'o',
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oQuiet = 'q',
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oVerbose = 'v',
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oRuntime = 'r',
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oComponent = 'c',
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oNull = '0',
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oNoVerbose = 500,
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oHomedir,
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aListComponents,
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aCheckPrograms,
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aListOptions,
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aChangeOptions,
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aCheckOptions,
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aApplyDefaults,
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aListConfig,
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aCheckConfig,
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aListDirs,
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aLaunch,
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aKill,
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aCreateSocketDir,
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aRemoveSocketDir,
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aReload
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};
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/* The list of commands and options. */
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static ARGPARSE_OPTS opts[] =
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{
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{ 300, NULL, 0, N_("@Commands:\n ") },
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{ aListComponents, "list-components", 256, N_("list all components") },
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{ aCheckPrograms, "check-programs", 256, N_("check all programs") },
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{ aListOptions, "list-options", 256, N_("|COMPONENT|list options") },
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{ aChangeOptions, "change-options", 256, N_("|COMPONENT|change options") },
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{ aCheckOptions, "check-options", 256, N_("|COMPONENT|check options") },
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{ aApplyDefaults, "apply-defaults", 256,
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N_("apply global default values") },
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{ aListDirs, "list-dirs", 256,
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N_("get the configuration directories for @GPGCONF@") },
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{ aListConfig, "list-config", 256,
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N_("list global configuration file") },
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{ aCheckConfig, "check-config", 256,
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N_("check global configuration file") },
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{ aReload, "reload", 256, N_("reload all or a given component")},
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{ aLaunch, "launch", 256, N_("launch a given component")},
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{ aKill, "kill", 256, N_("kill a given component")},
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{ aCreateSocketDir, "create-socketdir", 256, "@"},
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{ aRemoveSocketDir, "remove-socketdir", 256, "@"},
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{ 301, NULL, 0, N_("@\nOptions:\n ") },
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{ oOutput, "output", 2, N_("use as output file") },
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{ oVerbose, "verbose", 0, N_("verbose") },
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{ oQuiet, "quiet", 0, N_("quiet") },
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{ oDryRun, "dry-run", 0, N_("do not make any changes") },
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{ oRuntime, "runtime", 0, N_("activate changes at runtime, if possible") },
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/* hidden options */
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{ oHomedir, "homedir", 2, "@" },
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{ oNull, "null", 0, "@" },
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{ oNoVerbose, "no-verbose", 0, "@"},
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{0}
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};
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/* Print usage information and and provide strings for help. */
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static const char *
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my_strusage( int level )
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{
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const char *p;
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switch (level)
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{
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case 11: p = "@GPGCONF@ (@GNUPG@)";
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break;
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case 13: p = VERSION; break;
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case 17: p = PRINTABLE_OS_NAME; break;
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case 19: p = _("Please report bugs to <@EMAIL@>.\n"); break;
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case 1:
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case 40: p = _("Usage: @GPGCONF@ [options] (-h for help)");
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break;
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case 41:
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p = _("Syntax: @GPGCONF@ [options]\n"
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"Manage configuration options for tools of the @GNUPG@ system\n");
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break;
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default: p = NULL; break;
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}
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return p;
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}
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/* Return the fp for the output. This is usually stdout unless
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--output has been used. In the latter case this function opens
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that file. */
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static estream_t
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get_outfp (estream_t *fp)
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{
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if (!*fp)
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{
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if (opt.outfile)
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{
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*fp = es_fopen (opt.outfile, "w");
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if (!*fp)
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gc_error (1, errno, "can not open '%s'", opt.outfile);
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}
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else
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*fp = es_stdout;
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}
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return *fp;
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}
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static void
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list_dirs (estream_t fp, char **names)
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{
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static struct {
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const char *name;
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const char *(*fnc)(void);
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const char *extra;
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} list[] = {
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{ "sysconfdir", gnupg_sysconfdir, NULL },
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{ "bindir", gnupg_bindir, NULL },
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{ "libexecdir", gnupg_libexecdir, NULL },
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{ "libdir", gnupg_libdir, NULL },
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{ "datadir", gnupg_datadir, NULL },
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{ "localedir", gnupg_localedir, NULL },
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{ "dirmngr-socket", dirmngr_socket_name, NULL,},
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{ "agent-ssh-socket", gnupg_socketdir, GPG_AGENT_SSH_SOCK_NAME },
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{ "agent-socket", gnupg_socketdir, GPG_AGENT_SOCK_NAME },
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{ "homedir", gnupg_homedir, NULL }
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};
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int idx, j;
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char *tmp;
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const char *s;
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for (idx = 0; idx < DIM (list); idx++)
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{
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s = list[idx].fnc ();
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if (list[idx].extra)
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{
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tmp = make_filename (s, list[idx].extra, NULL);
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s = tmp;
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}
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else
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tmp = NULL;
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if (!names)
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es_fprintf (fp, "%s:%s\n", list[idx].name, gc_percent_escape (s));
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else
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{
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for (j=0; names[j]; j++)
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if (!strcmp (names[j], list[idx].name))
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{
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es_fputs (s, fp);
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es_putc (opt.null? '\0':'\n', fp);
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}
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}
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xfree (tmp);
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}
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}
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/* gpgconf main. */
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int
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main (int argc, char **argv)
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{
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ARGPARSE_ARGS pargs;
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const char *fname;
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int no_more_options = 0;
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enum cmd_and_opt_values cmd = 0;
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estream_t outfp = NULL;
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early_system_init ();
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gnupg_reopen_std (GPGCONF_NAME);
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set_strusage (my_strusage);
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log_set_prefix (GPGCONF_NAME, GPGRT_LOG_WITH_PREFIX);
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/* Make sure that our subsystems are ready. */
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i18n_init();
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init_common_subsystems (&argc, &argv);
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/* Parse the command line. */
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pargs.argc = &argc;
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pargs.argv = &argv;
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pargs.flags = 1; /* Do not remove the args. */
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while (!no_more_options && optfile_parse (NULL, NULL, NULL, &pargs, opts))
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{
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switch (pargs.r_opt)
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{
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case oOutput: opt.outfile = pargs.r.ret_str; break;
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case oQuiet: opt.quiet = 1; break;
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case oDryRun: opt.dry_run = 1; break;
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case oRuntime:
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opt.runtime = 1;
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break;
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case oVerbose: opt.verbose++; break;
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case oNoVerbose: opt.verbose = 0; break;
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case oHomedir: gnupg_set_homedir (pargs.r.ret_str); break;
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case oNull: opt.null = 1; break;
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case aListDirs:
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case aListComponents:
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case aCheckPrograms:
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case aListOptions:
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case aChangeOptions:
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case aCheckOptions:
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case aApplyDefaults:
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case aListConfig:
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case aCheckConfig:
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case aReload:
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case aLaunch:
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case aKill:
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case aCreateSocketDir:
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case aRemoveSocketDir:
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cmd = pargs.r_opt;
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break;
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default: pargs.err = 2; break;
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}
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}
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if (log_get_errorcount (0))
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exit (2);
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/* Print a warning if an argument looks like an option. */
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if (!opt.quiet && !(pargs.flags & ARGPARSE_FLAG_STOP_SEEN))
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{
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int i;
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for (i=0; i < argc; i++)
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if (argv[i][0] == '-' && argv[i][1] == '-')
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log_info (_("Note: '%s' is not considered an option\n"), argv[i]);
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}
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fname = argc ? *argv : NULL;
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switch (cmd)
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{
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case aListComponents:
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default:
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/* List all components. */
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gc_component_list_components (get_outfp (&outfp));
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break;
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case aCheckPrograms:
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/* Check all programs. */
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gc_check_programs (get_outfp (&outfp));
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break;
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case aListOptions:
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case aChangeOptions:
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case aCheckOptions:
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if (!fname)
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{
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es_fprintf (es_stderr, _("usage: %s [options] "), GPGCONF_NAME);
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es_putc ('\n', es_stderr);
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es_fputs (_("Need one component argument"), es_stderr);
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es_putc ('\n', es_stderr);
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exit (2);
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}
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else
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{
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int idx = gc_component_find (fname);
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if (idx < 0)
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{
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es_fputs (_("Component not found"), es_stderr);
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es_putc ('\n', es_stderr);
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exit (1);
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}
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if (cmd == aCheckOptions)
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gc_component_check_options (idx, get_outfp (&outfp), NULL);
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else
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{
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gc_component_retrieve_options (idx);
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if (gc_process_gpgconf_conf (NULL, 1, 0, NULL))
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exit (1);
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if (cmd == aListOptions)
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gc_component_list_options (idx, get_outfp (&outfp));
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else if (cmd == aChangeOptions)
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gc_component_change_options (idx, es_stdin, get_outfp (&outfp));
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}
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}
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break;
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case aLaunch:
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case aKill:
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if (!fname)
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{
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es_fprintf (es_stderr, _("usage: %s [options] "), GPGCONF_NAME);
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es_putc ('\n', es_stderr);
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es_fputs (_("Need one component argument"), es_stderr);
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es_putc ('\n', es_stderr);
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exit (2);
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}
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else
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{
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/* Launch/Kill a given component. */
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int idx;
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idx = gc_component_find (fname);
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if (idx < 0)
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{
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es_fputs (_("Component not found"), es_stderr);
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es_putc ('\n', es_stderr);
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exit (1);
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}
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else if (cmd == aLaunch)
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{
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if (gc_component_launch (idx))
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exit (1);
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}
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else
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{
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/* We don't error out if the kill failed because this
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command should do nothing if the component is not
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running. */
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gc_component_kill (idx);
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}
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}
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break;
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case aReload:
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if (!fname)
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{
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/* Reload all. */
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gc_component_reload (-1);
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}
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else
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{
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/* Reload given component. */
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int idx;
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idx = gc_component_find (fname);
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if (idx < 0)
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{
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es_fputs (_("Component not found"), es_stderr);
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es_putc ('\n', es_stderr);
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exit (1);
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}
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else
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{
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gc_component_reload (idx);
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}
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}
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break;
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case aListConfig:
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if (gc_process_gpgconf_conf (fname, 0, 0, get_outfp (&outfp)))
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exit (1);
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break;
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case aCheckConfig:
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if (gc_process_gpgconf_conf (fname, 0, 0, NULL))
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exit (1);
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break;
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case aApplyDefaults:
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if (fname)
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{
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es_fprintf (es_stderr, _("usage: %s [options] "), GPGCONF_NAME);
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es_putc ('\n', es_stderr);
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es_fputs (_("No argument allowed"), es_stderr);
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es_putc ('\n', es_stderr);
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exit (2);
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}
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gc_component_retrieve_options (-1);
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if (gc_process_gpgconf_conf (NULL, 1, 1, NULL))
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exit (1);
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break;
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case aListDirs:
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/* Show the system configuration directories for gpgconf. */
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get_outfp (&outfp);
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list_dirs (outfp, argc? argv : NULL);
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break;
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case aCreateSocketDir:
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{
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char *socketdir;
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unsigned int flags;
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/* Make sure that the top /run/user/UID/gnupg dir has been
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* created. */
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gnupg_socketdir ();
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/* Check the /var/run dir. */
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socketdir = _gnupg_socketdir_internal (1, &flags);
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if ((flags & 64) && !opt.dry_run)
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{
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/* No sub dir - create it. */
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if (gnupg_mkdir (socketdir, "-rwx"))
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gc_error (1, errno, "error creating '%s'", socketdir);
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/* Try again. */
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socketdir = _gnupg_socketdir_internal (1, &flags);
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}
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/* Give some info. */
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if ( (flags & ~32) || opt.verbose || opt.dry_run)
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{
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log_info ("socketdir is '%s'\n", socketdir);
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if ((flags & 1)) log_info ("\tgeneral error\n");
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if ((flags & 2)) log_info ("\tno /run/user dir\n");
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if ((flags & 4)) log_info ("\tbad permissions\n");
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if ((flags & 8)) log_info ("\tbad permissions (subdir)\n");
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if ((flags & 16)) log_info ("\tmkdir failed\n");
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if ((flags & 32)) log_info ("\tnon-default homedir\n");
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if ((flags & 64)) log_info ("\tno such subdir\n");
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if ((flags & 128)) log_info ("\tusing homedir as fallback\n");
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}
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if ((flags & ~32) && !opt.dry_run)
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gc_error (1, 0, "error creating socket directory");
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xfree (socketdir);
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}
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break;
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case aRemoveSocketDir:
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{
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char *socketdir;
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unsigned int flags;
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/* Check the /var/run dir. */
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socketdir = _gnupg_socketdir_internal (1, &flags);
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if ((flags & 128))
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log_info ("ignoring request to remove non /run/user socket dir\n");
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else if (opt.dry_run)
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;
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else if (rmdir (socketdir))
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gc_error (1, errno, "error removing '%s'", socketdir);
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xfree (socketdir);
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}
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break;
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}
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if (outfp != es_stdout)
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if (es_fclose (outfp))
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gc_error (1, errno, "error closing '%s'", opt.outfile);
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return 0;
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}
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