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gnupg/tools/gpgconf.c
2007-10-23 18:13:27 +00:00

259 lines
6.3 KiB
C

/* gpgconf.c - Configuration utility for GnuPG
* Copyright (C) 2003, 2007 Free Software Foundation, Inc.
*
* 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 <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "gpgconf.h"
#include "i18n.h"
/* Constants to identify the commands and options. */
enum cmd_and_opt_values
{
aNull = 0,
oDryRun = 'n',
oOutput = 'o',
oQuiet = 'q',
oVerbose = 'v',
oRuntime = 'r',
oComponent = 'c',
oNoVerbose = 500,
oHomedir,
aListComponents,
aCheckPrograms,
aListOptions,
aChangeOptions,
aApplyDefaults,
aListConfig,
aCheckConfig
};
/* The list of commands and options. */
static ARGPARSE_OPTS opts[] =
{
{ 300, NULL, 0, N_("@Commands:\n ") },
{ aListComponents, "list-components", 256, N_("list all components") },
{ aCheckPrograms, "check-programs", 256, N_("check all programs") },
{ aListOptions, "list-options", 256, N_("|COMPONENT|list options") },
{ aChangeOptions, "change-options", 256, N_("|COMPONENT|change options") },
{ aApplyDefaults, "apply-defaults", 256,
N_("apply global default values") },
{ aListConfig, "list-config", 256,
N_("list global configuration file") },
{ aCheckConfig, "check-config", 256,
N_("check global configuration file") },
{ 301, NULL, 0, N_("@\nOptions:\n ") },
{ oOutput, "output", 2, N_("use as output file") },
{ oVerbose, "verbose", 0, N_("verbose") },
{ oQuiet, "quiet", 0, N_("quiet") },
{ oDryRun, "dry-run", 0, N_("do not make any changes") },
{ oRuntime, "runtime", 0, N_("activate changes at runtime, if possible") },
/* hidden options */
{ oNoVerbose, "no-verbose", 0, "@"},
{0}
};
/* Print usage information and and provide strings for help. */
static const char *
my_strusage( int level )
{
const char *p;
switch (level)
{
case 11: p = "gpgconf (GnuPG)";
break;
case 13: p = VERSION; break;
case 17: p = PRINTABLE_OS_NAME; break;
case 19: p = _("Please report bugs to <" PACKAGE_BUGREPORT ">.\n");
break;
case 1:
case 40: p = _("Usage: gpgconf [options] (-h for help)");
break;
case 41:
p = _("Syntax: gpgconf [options]\n"
"Manage configuration options for tools of the GnuPG system\n");
break;
default: p = NULL; break;
}
return p;
}
/* Return the fp for the output. This is usually stdout unless
--output has been used. In the latter case this function opens
that file. */
static FILE *
get_outfp (FILE **fp)
{
if (!*fp)
{
if (opt.outfile)
{
*fp = fopen (opt.outfile, "w");
if (!*fp)
gc_error (1, errno, "can not open `%s'", opt.outfile);
}
else
*fp = stdout;
}
return *fp;
}
/* 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;
set_strusage (my_strusage);
log_set_prefix ("gpgconf", 1);
/* Make sure that our subsystems are ready. */
init_common_subsystems ();
i18n_init();
/* 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 aListComponents:
case aCheckPrograms:
case aListOptions:
case aChangeOptions:
case aApplyDefaults:
case aListConfig:
case aCheckConfig:
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_component_check_programs (get_outfp (&outfp));
break;
case aListOptions:
case aChangeOptions:
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);
}
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
gc_component_change_options (idx, stdin);
}
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;
}
if (outfp && outfp != stdout)
if (fclose (outfp))
gc_error (1, errno, "error closing `%s'", opt.outfile);
return 0;
}