Exemple #1
0
/* gpgtar main. */
int
main (int argc, char **argv)
{
    gpg_error_t err;
    const char *fname;
    ARGPARSE_ARGS pargs;

    assert (sizeof (struct ustar_raw_header) == 512);

    gnupg_reopen_std (GPGTAR_NAME);
    set_strusage (my_strusage);
    log_set_prefix (GPGTAR_NAME, 1);

    /* Make sure that our subsystems are ready.  */
    i18n_init();
    init_common_subsystems (&argc, &argv);

    /* Parse the command line. */
    pargs.argc  = &argc;
    pargs.argv  = &argv;
    pargs.flags = ARGPARSE_FLAG_KEEP;
    parse_arguments (&pargs, opts);

    if ((files_from && !null_names) || (!files_from && null_names))
        log_error ("--files-from and --null may only be used in conjunction\n");
    if (files_from && strcmp (files_from, "-"))
        log_error ("--files-from only supports argument \"-\"\n");

    if (log_get_errorcount (0))
        exit (2);

    /* Print a warning if an argument looks like an option.  */
    if (!opt.quiet && !(pargs.flags & ARGPARSE_FLAG_STOP_SEEN))
    {
        int i;

        for (i=0; i < argc; i++)
            if (argv[i][0] == '-' && argv[i][1] == '-')
                log_info (_("NOTE: '%s' is not considered an option\n"), argv[i]);
    }

    if (! opt.gpg_program)
        opt.gpg_program = gnupg_module_name (GNUPG_MODULE_NAME_GPG);

    if (opt.verbose > 1)
        opt.debug_level = 1024;

    switch (cmd)
    {
    case aList:
        if (argc > 1)
            usage (1);
        fname = argc ? *argv : NULL;
        if (opt.filename)
            log_info ("note: ignoring option --set-filename\n");
        if (files_from)
            log_info ("note: ignoring option --files-from\n");
        err = gpgtar_list (fname, !skip_crypto);
        if (err && log_get_errorcount (0) == 0)
            log_error ("listing archive failed: %s\n", gpg_strerror (err));
        break;

    case aEncrypt:
    case aSign:
    case aSignEncrypt:
        if ((!argc && !null_names)
                || (argc && null_names))
            usage (1);
        if (opt.filename)
            log_info ("note: ignoring option --set-filename\n");
        err = gpgtar_create (null_names? NULL :argv,
                             !skip_crypto
                             && (cmd == aEncrypt || cmd == aSignEncrypt),
                             cmd == aSign || cmd == aSignEncrypt);
        if (err && log_get_errorcount (0) == 0)
            log_error ("creating archive failed: %s\n", gpg_strerror (err));
        break;

    case aDecrypt:
        if (argc != 1)
            usage (1);
        if (opt.outfile)
            log_info ("note: ignoring option --output\n");
        if (files_from)
            log_info ("note: ignoring option --files-from\n");
        fname = argc ? *argv : NULL;
        err = gpgtar_extract (fname, !skip_crypto);
        if (err && log_get_errorcount (0) == 0)
            log_error ("extracting archive failed: %s\n", gpg_strerror (err));
        break;

    default:
        log_error (_("invalid command (there is no implicit command)\n"));
        break;
    }

    return log_get_errorcount (0)? 1:0;
}
Exemple #2
0
int
main ( int argc, char **argv)
{
  ARGPARSE_ARGS pargs;
  int orig_argc;
  char **orig_argv;
  gpg_error_t err = 0;
  /* const char *fname; */
  int may_coredump;
  FILE *configfp = NULL;
  char *configname = NULL;
  unsigned configlineno;
  int parse_debug = 0;
  int no_more_options = 0;
  int default_config =1;
  char *logfile = NULL;
  /* int debug_wait = 0; */
  int use_random_seed = 1;
  /* int nodetach = 0; */
  /* int nokeysetup = 0; */
  struct server_control_s ctrl;

  /*mtrace();*/

  early_system_init ();
  gnupg_reopen_std (G13_NAME "-syshelp");
  set_strusage (my_strusage);
  gcry_control (GCRYCTL_SUSPEND_SECMEM_WARN);

  log_set_prefix (G13_NAME "-syshelp", 1);

  /* Make sure that our subsystems are ready.  */
  i18n_init ();
  init_common_subsystems (&argc, &argv);

  /* Check that the Libgcrypt is suitable.  */
  if (!gcry_check_version (NEED_LIBGCRYPT_VERSION) )
    log_fatal (_("%s is too old (need %s, have %s)\n"), "libgcrypt",
               NEED_LIBGCRYPT_VERSION, gcry_check_version (NULL) );

  /* Take extra care of the random pool.  */
  gcry_control (GCRYCTL_USE_SECURE_RNDPOOL);

  may_coredump = disable_core_dumps ();

  g13_init_signals ();

  dotlock_create (NULL, 0); /* Register locking cleanup.  */

  opt.session_env = session_env_new ();
  if (!opt.session_env)
    log_fatal ("error allocating session environment block: %s\n",
               strerror (errno));

  opt.homedir = default_homedir ();
  /* Fixme: We enable verbose mode here because there is currently no
     way to do this when starting g13-syshelp.  To fix that we should
     add a g13-syshelp.conf file in /etc/gnupg.  */
  opt.verbose = 1;

  /* First check whether we have a debug option on the commandline.  */
  orig_argc = argc;
  orig_argv = argv;
  pargs.argc = &argc;
  pargs.argv = &argv;
  pargs.flags= (ARGPARSE_FLAG_KEEP | ARGPARSE_FLAG_NOVERSION);
  while (arg_parse( &pargs, opts))
    {
      if (pargs.r_opt == oDebug || pargs.r_opt == oDebugAll)
        parse_debug++;
    }

  /* Initialize the secure memory. */
  gcry_control (GCRYCTL_INIT_SECMEM, 16384, 0);
  maybe_setuid = 0;

  /*
     Now we are now working under our real uid
  */

  /* Setup malloc hooks. */
  {
    struct assuan_malloc_hooks malloc_hooks;

    malloc_hooks.malloc = gcry_malloc;
    malloc_hooks.realloc = gcry_realloc;
    malloc_hooks.free = gcry_free;
    assuan_set_malloc_hooks (&malloc_hooks);
  }

  /* Prepare libassuan.  */
  assuan_set_gpg_err_source (GPG_ERR_SOURCE_DEFAULT);
  /*assuan_set_system_hooks (ASSUAN_SYSTEM_NPTH);*/
  setup_libassuan_logging (&opt.debug);

  /* Setup a default control structure for command line mode.  */
  memset (&ctrl, 0, sizeof ctrl);
  g13_syshelp_init_default_ctrl (&ctrl);
  ctrl.no_server = 1;
  ctrl.status_fd = -1; /* No status output. */

  if (default_config )
    configname = make_filename (gnupg_sysconfdir (),
                                G13_NAME"-syshelp.conf", NULL);

  argc        = orig_argc;
  argv        = orig_argv;
  pargs.argc  = &argc;
  pargs.argv  = &argv;
  pargs.flags =  1;  /* Do not remove the args.  */

 next_pass:
  if (configname)
    {
      configlineno = 0;
      configfp = fopen (configname, "r");
      if (!configfp)
        {
          if (default_config)
            {
              if (parse_debug)
                log_info (_("NOTE: no default option file '%s'\n"), configname);
            }
          else
            {
              log_error (_("option file '%s': %s\n"),
                         configname, strerror(errno));
              g13_exit(2);
            }
          xfree (configname);
          configname = NULL;
        }
      if (parse_debug && configname)
        log_info (_("reading options from '%s'\n"), configname);
      default_config = 0;
    }

  while (!no_more_options
         && optfile_parse (configfp, configname, &configlineno, &pargs, opts))
    {
      switch (pargs.r_opt)
        {
        case oQuiet: opt.quiet = 1; break;

        case oDryRun: opt.dry_run = 1; break;

        case oVerbose:
          opt.verbose++;
          gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
          break;
        case oNoVerbose:
          opt.verbose = 0;
          gcry_control (GCRYCTL_SET_VERBOSITY, (int)opt.verbose);
          break;

        case oLogFile: logfile = pargs.r.ret_str; break;
        case oNoLogFile: logfile = NULL; break;

        case oNoDetach: /*nodetach = 1; */break;

        case oDebug:
          if (parse_debug_flag (pargs.r.ret_str, &opt.debug, debug_flags))
            {
              pargs.r_opt = ARGPARSE_INVALID_ARG;
              pargs.err = ARGPARSE_PRINT_ERROR;
            }
            break;
        case oDebugAll: debug_value = ~0; break;
        case oDebugNone: debug_value = 0; break;
        case oDebugLevel: debug_level = pargs.r.ret_str; break;
        case oDebugWait: /*debug_wait = pargs.r.ret_int; */break;
        case oDebugAllowCoreDump:
          may_coredump = enable_core_dumps ();
          break;

        case oStatusFD: ctrl.status_fd = pargs.r.ret_int; break;
        case oLoggerFD: log_set_fd (pargs.r.ret_int ); break;

        case oHomedir: opt.homedir = pargs.r.ret_str; break;

        case oFakedSystemTime:
          {
            time_t faked_time = isotime2epoch (pargs.r.ret_str);
            if (faked_time == (time_t)(-1))
              faked_time = (time_t)strtoul (pargs.r.ret_str, NULL, 10);
            gnupg_set_time (faked_time, 0);
          }
          break;

        case oNoSecmemWarn: gcry_control (GCRYCTL_DISABLE_SECMEM_WARN); break;

        case oNoRandomSeedFile: use_random_seed = 0; break;

        default:
          pargs.err = configfp? ARGPARSE_PRINT_WARNING:ARGPARSE_PRINT_ERROR;
          break;
	}
    }

  if (configfp)
    {
      fclose (configfp);
      configfp = NULL;
      /* Keep a copy of the config filename. */
      opt.config_filename = configname;
      configname = NULL;
      goto next_pass;
    }
  xfree (configname);
  configname = NULL;

  if (!opt.config_filename)
    opt.config_filename = make_filename (opt.homedir, G13_NAME".conf", NULL);

  if (log_get_errorcount(0))
    g13_exit(2);

  /* Now that we have the options parsed we need to update the default
     control structure.  */
  g13_syshelp_init_default_ctrl (&ctrl);

  if (may_coredump && !opt.quiet)
    log_info (_("WARNING: program may create a core file!\n"));

  if (logfile)
    {
      log_set_file (logfile);
      log_set_prefix (NULL, 1|2|4);
    }

  if (gnupg_faked_time_p ())
    {
      gnupg_isotime_t tbuf;

      log_info (_("WARNING: running with faked system time: "));
      gnupg_get_isotime (tbuf);
      dump_isotime (tbuf);
      log_printf ("\n");
    }

  /* Print any pending secure memory warnings.  */
  gcry_control (GCRYCTL_RESUME_SECMEM_WARN);

  /* Setup the debug flags for all subsystems.  */
  set_debug ();

  /* Install a regular exit handler to make real sure that the secure
     memory gets wiped out.  */
  g13_install_emergency_cleanup ();

  /* Terminate if we found any error until now.  */
  if (log_get_errorcount(0))
    g13_exit (2);

  /* Set the standard GnuPG random seed file.  */
  if (use_random_seed)
    {
      char *p = make_filename (opt.homedir, "random_seed", NULL);
      gcry_control (GCRYCTL_SET_RANDOM_SEED_FILE, p);
      xfree(p);
    }

  /* Get the UID of the caller.  */
#if defined(HAVE_PWD_H) && defined(HAVE_GETPWUID)
  {
    const char *uidstr;
    struct passwd *pwd = NULL;

    uidstr = getenv ("USERV_UID");

    /* Print a quick note if we are not started via userv.  */
    if (!uidstr)
      {
        if (getuid ())
          {
            log_info ("WARNING: Not started via userv\n");
            ctrl.fail_all_cmds = 1;
          }
        ctrl.client.uid = getuid ();
      }
    else
      {
        unsigned long myuid;

        errno = 0;
        myuid = strtoul (uidstr, NULL, 10);
        if (myuid == ULONG_MAX && errno)
          {
            log_info ("WARNING: Started via broken userv: %s\n",
                      strerror (errno));
            ctrl.fail_all_cmds = 1;
            ctrl.client.uid = getuid ();
          }
        else
          ctrl.client.uid = (uid_t)myuid;
      }

    pwd = getpwuid (ctrl.client.uid);
    if (!pwd || !*pwd->pw_name)
      {
        log_info ("WARNING: Name for UID not found: %s\n", strerror (errno));
        ctrl.fail_all_cmds = 1;
        ctrl.client.uname = xstrdup ("?");
      }
    else
      ctrl.client.uname = xstrdup (pwd->pw_name);

    /* Check that the user name does not contain a directory
       separator. */
    if (strchr (ctrl.client.uname, '/'))
      {
        log_info ("WARNING: Invalid user name passed\n");
        ctrl.fail_all_cmds = 1;
      }
  }
#else /*!HAVE_PWD_H || !HAVE_GETPWUID*/
  log_info ("WARNING: System does not support required syscalls\n");
  ctrl.fail_all_cmds = 1;
  ctrl.client.uid = getuid ();
  ctrl.client.uname = xstrdup ("?");
#endif /*!HAVE_PWD_H || !HAVE_GETPWUID*/

  /* Read the table entries for this user.  */
  if (!ctrl.fail_all_cmds
      && !(ctrl.client.tab = parse_g13tab (ctrl.client.uname)))
    ctrl.fail_all_cmds = 1;

  /* Start the server.  */
  err = syshelp_server (&ctrl);
  if (err)
    log_error ("server exited with error: %s <%s>\n",
               gpg_strerror (err), gpg_strsource (err));

  /* Cleanup.  */
  g13_syshelp_deinit_default_ctrl (&ctrl);
  g13_exit (0);
  return 8; /*NOTREACHED*/
}
Exemple #3
0
/* gpgtar main. */
int
main (int argc, char **argv)
{
  ARGPARSE_ARGS pargs;
  const char *fname;
  int no_more_options = 0;
  enum cmd_and_opt_values cmd = 0;
  int skip_crypto = 0;
  const char *files_from = NULL;
  int null_names = 0;

  assert (sizeof (struct ustar_raw_header) == 512);

  gnupg_reopen_std ("gpgtar");
  set_strusage (my_strusage);
  log_set_prefix ("gpgtar", 1);

  /* Make sure that our subsystems are ready.  */
  i18n_init();
  init_common_subsystems ();

  /* Parse the command line. */
  pargs.argc  = &argc;
  pargs.argv  = &argv;
  pargs.flags = ARGPARSE_FLAG_KEEP;
  while (!no_more_options && optfile_parse (NULL, NULL, NULL, &pargs, opts))
    {
      switch (pargs.r_opt)
        {
        case oOutput:    opt.outfile = pargs.r.ret_str; break;
        case oSetFilename: opt.filename = pargs.r.ret_str; break;
	case oQuiet:     opt.quiet = 1; break;
        case oVerbose:   opt.verbose++; break;
        case oNoVerbose: opt.verbose = 0; break;
        case oFilesFrom: files_from = pargs.r.ret_str; break;
        case oNull: null_names = 1; break;
          
	case aList:
        case aDecrypt:
        case aEncrypt:
        case aSign:
          set_cmd (&cmd, pargs.r_opt);
	  break;

        case oSymmetric:
          set_cmd (&cmd, aEncrypt);
          opt.symmetric = 1;
          break;

        case oSkipCrypto:
          skip_crypto = 1;
          break;

        case oOpenPGP: /* Dummy option for now.  */ break;
        case oCMS:     /* Dummy option for now.  */ break;

        default: pargs.err = 2; break;
	}
    }
  
  if ((files_from && !null_names) || (!files_from && null_names))
    log_error ("--files-from and --null may only be used in conjunction\n");
  if (files_from && strcmp (files_from, "-"))
    log_error ("--files-from only supports argument \"-\"\n");

  if (log_get_errorcount (0))
    exit (2);

  switch (cmd)
    {
    case aList:
      if (argc > 1)
        usage (1);
      fname = argc ? *argv : NULL;
      if (opt.filename)
        log_info ("note: ignoring option --set-filename\n");
      if (files_from)
        log_info ("note: ignoring option --files-from\n");
      if (skip_crypto)
        gpgtar_list (fname);
      else
        decrypt_and_list (fname);
      break;

    case aEncrypt:
      if ((!argc && !null_names)
          || (argc && null_names))
        usage (1);
      if (opt.filename)
        log_info ("note: ignoring option --set-filename\n");
      if (skip_crypto)
        gpgtar_create (null_names? NULL :argv);
      else
        tar_and_encrypt (null_names? NULL : argv);
      break;

    case aDecrypt:
      if (argc != 1)
        usage (1);
      if (opt.outfile)
        log_info ("note: ignoring option --output\n");
      if (files_from)
        log_info ("note: ignoring option --files-from\n");
      fname = argc ? *argv : NULL;
      if (skip_crypto)
        gpgtar_extract (fname);
      else
        decrypt_and_untar (fname);
      break;

    default:
      log_error (_("invalid command (there is no implicit command)\n"));
      break;
    }

  return log_get_errorcount (0)? 1:0;
}
Exemple #4
0
/* gpgconf main. */
int
main (int argc, char **argv)
{
  ARGPARSE_ARGS pargs;
  const char *fname;
  int no_more_options = 0;
  enum cmd_and_opt_values cmd = 0;
  FILE *outfp = NULL;

  gnupg_reopen_std ("gpgconf");
  set_strusage (my_strusage);
  log_set_prefix ("gpgconf", 1);

  /* Make sure that our subsystems are ready.  */
  i18n_init();
  init_common_subsystems ();

  /* Parse the command line. */
  pargs.argc  = &argc;
  pargs.argv  = &argv;
  pargs.flags =  1;  /* Do not remove the args.  */
  while (!no_more_options && optfile_parse (NULL, NULL, NULL, &pargs, opts))
    {
      switch (pargs.r_opt)
        {
        case oOutput:    opt.outfile = pargs.r.ret_str; break;
	case oQuiet:     opt.quiet = 1; break;
        case oDryRun:    opt.dry_run = 1; break;
        case oRuntime:
	  opt.runtime = 1;
	  break;
        case oVerbose:   opt.verbose++; break;
        case oNoVerbose: opt.verbose = 0; break;

	case aListDirs:
        case aListComponents:
        case aCheckPrograms:
        case aListOptions:
        case aChangeOptions:
        case aCheckOptions:
        case aApplyDefaults:
        case aListConfig:
        case aCheckConfig:
        case aReload:
	  cmd = pargs.r_opt;
	  break;

        default: pargs.err = 2; break;
	}
    }

  if (log_get_errorcount (0))
    exit (2);
  
  fname = argc ? *argv : NULL;
  
  switch (cmd)
    {
    case aListComponents:
    default:
      /* List all components. */
      gc_component_list_components (get_outfp (&outfp));
      break;

    case aCheckPrograms:
      /* Check all programs. */
      gc_check_programs (get_outfp (&outfp));
      break;

    case aListOptions:
    case aChangeOptions:
    case aCheckOptions:
      if (!fname)
	{
	  fputs (_("usage: gpgconf [options] "), stderr);
	  putc ('\n',stderr);
	  fputs (_("Need one component argument"), stderr);
	  putc ('\n',stderr);
	  exit (2);
	}
      else
	{
	  int idx = gc_component_find (fname);
	  if (idx < 0)
	    {
	      fputs (_("Component not found"), stderr);
	      putc ('\n', stderr);
	      exit (1);
	    }
	  if (cmd == aCheckOptions)
	    gc_component_check_options (idx, get_outfp (&outfp), NULL);
          else
            {
              gc_component_retrieve_options (idx);
              if (gc_process_gpgconf_conf (NULL, 1, 0, NULL))
                exit (1);
              if (cmd == aListOptions)
                gc_component_list_options (idx, get_outfp (&outfp));
              else if (cmd == aChangeOptions)
                gc_component_change_options (idx, stdin, get_outfp (&outfp));
            }
	}
      break;

    case aReload:
      if (!fname)
	{
          /* Reload all.  */
          gc_component_reload (-1);
	}
      else
        {
          /* Reload given component.  */
          int idx;

          idx = gc_component_find (fname);
          if (idx < 0)
            {
              fputs (_("Component not found"), stderr);
              putc ('\n', stderr);
              exit (1);
            }
          else
            {
              gc_component_reload (idx);
            }
        }
      break;

    case aListConfig:
      if (gc_process_gpgconf_conf (fname, 0, 0, get_outfp (&outfp)))
        exit (1);
      break;

    case aCheckConfig:
      if (gc_process_gpgconf_conf (fname, 0, 0, NULL))
        exit (1);
      break;

    case aApplyDefaults:
      if (fname)
	{
	  fputs (_("usage: gpgconf [options] "), stderr);
	  putc ('\n',stderr);
	  fputs (_("No argument allowed"), stderr);
	  putc ('\n',stderr);
	  exit (2);
	}
      gc_component_retrieve_options (-1);
      if (gc_process_gpgconf_conf (NULL, 1, 1, NULL))
        exit (1);
      break;
      
    case aListDirs:
      /* Show the system configuration directories for gpgconf.  */
      get_outfp (&outfp);
      fprintf (outfp, "sysconfdir:%s\n",
	       gc_percent_escape (gnupg_sysconfdir ()));
      fprintf (outfp, "bindir:%s\n",
	       gc_percent_escape (gnupg_bindir ()));
      fprintf (outfp, "libexecdir:%s\n",
	       gc_percent_escape (gnupg_libexecdir ()));
      fprintf (outfp, "libdir:%s\n",
	       gc_percent_escape (gnupg_libdir ()));
      fprintf (outfp, "datadir:%s\n",
	       gc_percent_escape (gnupg_datadir ()));
      fprintf (outfp, "localedir:%s\n",
	       gc_percent_escape (gnupg_localedir ()));
      fprintf (outfp, "dirmngr-socket:%s\n",
	       gc_percent_escape (dirmngr_socket_name ()));
      {
        char *infostr = getenv ("GPG_AGENT_INFO");

        if (!infostr || !*infostr)
          infostr = make_filename (default_homedir (), "S.gpg-agent", NULL);
        else
          {
            char *tmp;

            infostr = xstrdup (infostr);
            tmp = strchr (infostr, PATHSEP_C);
            if (!tmp || tmp == infostr)
              {
                xfree (infostr);
                infostr = NULL;
              }
            else
              *tmp = 0;
          }
        fprintf (outfp, "agent-socket:%s\n",
                 infostr? gc_percent_escape (infostr) : "");
        xfree (infostr);
      }
      {
        /* We need to use make_filename to expand a possible "~/".  */
        char *tmp = make_filename (default_homedir (), NULL);
        fprintf (outfp, "homedir:%s\n", gc_percent_escape (tmp));
        xfree (tmp);
      }
      break;
    }

  if (outfp && outfp != stdout)
    if (fclose (outfp))
      gc_error (1, errno, "error closing `%s'", opt.outfile);

  return 0; 
}
Exemple #5
0
/* gpgconf main. */
int
main (int argc, char **argv)
{
  ARGPARSE_ARGS pargs;
  const char *fname;
  int no_more_options = 0;
  enum cmd_and_opt_values cmd = 0;
  estream_t outfp = NULL;

  early_system_init ();
  gnupg_reopen_std (GPGCONF_NAME);
  set_strusage (my_strusage);
  log_set_prefix (GPGCONF_NAME, 1);

  /* Make sure that our subsystems are ready.  */
  i18n_init();
  init_common_subsystems (&argc, &argv);

  /* Parse the command line. */
  pargs.argc  = &argc;
  pargs.argv  = &argv;
  pargs.flags =  1;  /* Do not remove the args.  */
  while (!no_more_options && optfile_parse (NULL, NULL, NULL, &pargs, opts))
    {
      switch (pargs.r_opt)
        {
        case oOutput:    opt.outfile = pargs.r.ret_str; break;
	case oQuiet:     opt.quiet = 1; break;
        case oDryRun:    opt.dry_run = 1; break;
        case oRuntime:
	  opt.runtime = 1;
	  break;
        case oVerbose:   opt.verbose++; break;
        case oNoVerbose: opt.verbose = 0; break;

	case aListDirs:
        case aListComponents:
        case aCheckPrograms:
        case aListOptions:
        case aChangeOptions:
        case aCheckOptions:
        case aApplyDefaults:
        case aListConfig:
        case aCheckConfig:
        case aReload:
        case aLaunch:
        case aKill:
	  cmd = pargs.r_opt;
	  break;

        default: pargs.err = 2; break;
	}
    }

  if (log_get_errorcount (0))
    exit (2);

  /* Print a warning if an argument looks like an option.  */
  if (!opt.quiet && !(pargs.flags & ARGPARSE_FLAG_STOP_SEEN))
    {
      int i;

      for (i=0; i < argc; i++)
        if (argv[i][0] == '-' && argv[i][1] == '-')
          log_info (_("Note: '%s' is not considered an option\n"), argv[i]);
    }

  fname = argc ? *argv : NULL;

  switch (cmd)
    {
    case aListComponents:
    default:
      /* List all components. */
      gc_component_list_components (get_outfp (&outfp));
      break;

    case aCheckPrograms:
      /* Check all programs. */
      gc_check_programs (get_outfp (&outfp));
      break;

    case aListOptions:
    case aChangeOptions:
    case aCheckOptions:
      if (!fname)
	{
	  es_fprintf (es_stderr, _("usage: %s [options] "), GPGCONF_NAME);
	  es_putc ('\n', es_stderr);
	  es_fputs (_("Need one component argument"), es_stderr);
	  es_putc ('\n', es_stderr);
	  exit (2);
	}
      else
	{
	  int idx = gc_component_find (fname);
	  if (idx < 0)
	    {
	      es_fputs (_("Component not found"), es_stderr);
	      es_putc ('\n', es_stderr);
	      exit (1);
	    }
          if (cmd == aCheckOptions)
	    gc_component_check_options (idx, get_outfp (&outfp), NULL);
          else
            {
              gc_component_retrieve_options (idx);
              if (gc_process_gpgconf_conf (NULL, 1, 0, NULL))
                exit (1);
              if (cmd == aListOptions)
                gc_component_list_options (idx, get_outfp (&outfp));
              else if (cmd == aChangeOptions)
                gc_component_change_options (idx, es_stdin, get_outfp (&outfp));
            }
	}
      break;

    case aLaunch:
    case aKill:
      if (!fname)
	{
	  es_fprintf (es_stderr, _("usage: %s [options] "), GPGCONF_NAME);
	  es_putc ('\n', es_stderr);
	  es_fputs (_("Need one component argument"), es_stderr);
	  es_putc ('\n', es_stderr);
	  exit (2);
	}
      else
        {
          /* Launch/Kill a given component.  */
          int idx;

          idx = gc_component_find (fname);
          if (idx < 0)
            {
              es_fputs (_("Component not found"), es_stderr);
              es_putc ('\n', es_stderr);
              exit (1);
            }
          else if (cmd == aLaunch)
            {
              if (gc_component_launch (idx))
                exit (1);
            }
          else
            {
              /* We don't error out if the kill failed because this
                 command should do nothing if the component is not
                 running.  */
              gc_component_kill (idx);
            }
        }
      break;

    case aReload:
      if (!fname)
	{
          /* Reload all.  */
          gc_component_reload (-1);
	}
      else
        {
          /* Reload given component.  */
          int idx;

          idx = gc_component_find (fname);
          if (idx < 0)
            {
              es_fputs (_("Component not found"), es_stderr);
              es_putc ('\n', es_stderr);
              exit (1);
            }
          else
            {
              gc_component_reload (idx);
            }
        }
      break;

    case aListConfig:
      if (gc_process_gpgconf_conf (fname, 0, 0, get_outfp (&outfp)))
        exit (1);
      break;

    case aCheckConfig:
      if (gc_process_gpgconf_conf (fname, 0, 0, NULL))
        exit (1);
      break;

    case aApplyDefaults:
      if (fname)
	{
	  es_fprintf (es_stderr, _("usage: %s [options] "), GPGCONF_NAME);
	  es_putc ('\n', es_stderr);
	  es_fputs (_("No argument allowed"), es_stderr);
	  es_putc ('\n', es_stderr);
	  exit (2);
	}
      gc_component_retrieve_options (-1);
      if (gc_process_gpgconf_conf (NULL, 1, 1, NULL))
        exit (1);
      break;

    case aListDirs:
      /* Show the system configuration directories for gpgconf.  */
      get_outfp (&outfp);
      es_fprintf (outfp, "sysconfdir:%s\n",
                  gc_percent_escape (gnupg_sysconfdir ()));
      es_fprintf (outfp, "bindir:%s\n",
                  gc_percent_escape (gnupg_bindir ()));
      es_fprintf (outfp, "libexecdir:%s\n",
                  gc_percent_escape (gnupg_libexecdir ()));
      es_fprintf (outfp, "libdir:%s\n",
                  gc_percent_escape (gnupg_libdir ()));
      es_fprintf (outfp, "datadir:%s\n",
                  gc_percent_escape (gnupg_datadir ()));
      es_fprintf (outfp, "localedir:%s\n",
                  gc_percent_escape (gnupg_localedir ()));

      if (dirmngr_user_socket_name ())
        {
          es_fprintf (outfp, "dirmngr-socket:%s\n",
                      gc_percent_escape (dirmngr_user_socket_name ()));
          es_fprintf (outfp, "dirmngr-sys-socket:%s\n",
                      gc_percent_escape (dirmngr_sys_socket_name ()));
        }
      else
        {
          es_fprintf (outfp, "dirmngr-socket:%s\n",
                      gc_percent_escape (dirmngr_sys_socket_name ()));
        }

      {
        char *tmp = make_filename (default_homedir (),
                                   GPG_AGENT_SOCK_NAME, NULL);
        es_fprintf (outfp, "agent-socket:%s\n", gc_percent_escape (tmp));
        xfree (tmp);
      }
      {
        /* We need to use make_filename to expand a possible "~/".  */
        char *tmp = make_filename (default_homedir (), NULL);
        es_fprintf (outfp, "homedir:%s\n", gc_percent_escape (tmp));
        xfree (tmp);
      }
      break;
    }

  if (outfp != es_stdout)
    if (es_fclose (outfp))
      gc_error (1, errno, "error closing '%s'", opt.outfile);

  return 0;
}