/*
This file is part of GNUnet.
- Copyright (C) 2012 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2012 GNUnet e.V.
- GNUnet 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, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet 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 GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
+ Affero General Public License for more details.
*/
/**
*/
static int ret;
+/**
+ * Should we generate a configuration file that is clean and
+ * only contains the deltas to the defaults?
+ */
+static int rewrite;
/**
* Print each option in a given section.
* @param value value of the option
*/
static void
-print_option (void *cls, const char *section,
+print_option (void *cls,
+ const char *section,
const char *option,
const char *value)
{
+ (void) cls;
+ (void) section;
fprintf (stdout,
- "%s = %s\n", option, value);
+ "%s = %s\n",
+ option,
+ value);
}
print_section_name (void *cls,
const char *section)
{
- fprintf (stdout, "%s\n", section);
+ (void) cls;
+ fprintf (stdout,
+ "%s\n",
+ section);
}
* @param cfg configuration
*/
static void
-run (void *cls, char *const *args, const char *cfgfile,
+run (void *cls,
+ char *const *args,
+ const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
- struct GNUNET_CONFIGURATION_Handle *out;
+ struct GNUNET_CONFIGURATION_Handle *out = NULL;
+ struct GNUNET_CONFIGURATION_Handle *diff = NULL;
- if (NULL == section || list_sections)
+ (void) cls;
+ (void) args;
+ if (rewrite)
+ {
+ struct GNUNET_CONFIGURATION_Handle *def;
+
+ def = GNUNET_CONFIGURATION_create ();
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_load (def, NULL))
+ {
+ fprintf (stderr,
+ _("failed to load configuration defaults"));
+ ret = 1;
+ return;
+ }
+ diff = GNUNET_CONFIGURATION_get_diff (def,
+ cfg);
+ cfg = diff;
+ }
+ if ( ((! rewrite) && (NULL == section)) || list_sections)
{
if (! list_sections)
{
- fprintf (stderr, _("--section argument is required\n"));
+ fprintf (stderr,
+ _("--section argument is required\n"));
}
- fprintf (stderr, _("The following sections are available:\n"));
- GNUNET_CONFIGURATION_iterate_sections (cfg, &print_section_name, NULL);
+ fprintf (stderr,
+ _("The following sections are available:\n"));
+ GNUNET_CONFIGURATION_iterate_sections (cfg,
+ &print_section_name,
+ NULL);
ret = 1;
- return;
+ goto cleanup;
}
- if (NULL == value)
+ if ( (NULL != section) && (NULL == value) )
{
if (NULL == option)
{
- GNUNET_CONFIGURATION_iterate_section_values (cfg, section,
- &print_option, NULL);
+ GNUNET_CONFIGURATION_iterate_section_values (cfg,
+ section,
+ &print_option,
+ NULL);
}
else
{
if (is_filename)
{
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg, section, option, &value))
+ GNUNET_CONFIGURATION_get_value_filename (cfg,
+ section,
+ option,
+ &value))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
section, option);
ret = 3;
- return;
+ goto cleanup;
}
}
else
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
section, option);
ret = 3;
- return;
+ goto cleanup;
}
}
fprintf (stdout, "%s\n", value);
}
}
- else
+ else if (NULL != section)
{
if (NULL == option)
{
fprintf (stderr, _("--option argument required to set value\n"));
ret = 1;
- return;
+ goto cleanup;
}
out = GNUNET_CONFIGURATION_dup (cfg);
- GNUNET_CONFIGURATION_set_value_string (out, section, option, value);
+ GNUNET_CONFIGURATION_set_value_string (out,
+ section,
+ option,
+ value);
+ }
+ if ( (NULL != diff) || (NULL != out) )
+ {
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_write (out, cfgfile))
+ GNUNET_CONFIGURATION_write ((NULL == out) ? diff : out,
+ cfgfile))
ret = 2;
- GNUNET_CONFIGURATION_destroy (out);
- return;
}
+ if (NULL != out)
+ GNUNET_CONFIGURATION_destroy (out);
+ cleanup:
+ if (NULL != diff)
+ GNUNET_CONFIGURATION_destroy (diff);
}
* @return 0 ok, 1 on error
*/
int
-main (int argc, char *const *argv)
+main (int argc,
+ char *const *argv)
{
- static const struct GNUNET_GETOPT_CommandLineOption options[] = {
- { 'f', "filename", NULL,
- gettext_noop ("obtain option of value as a filename (with $-expansion)"),
- 0, &GNUNET_GETOPT_set_one, &is_filename },
- { 's', "section", "SECTION",
- gettext_noop ("name of the section to access"),
- 1, &GNUNET_GETOPT_set_string, §ion },
- { 'o', "option", "OPTION",
- gettext_noop ("name of the option to access"),
- 1, &GNUNET_GETOPT_set_string, &option },
- { 'V', "value", "VALUE",
- gettext_noop ("value to set"),
- 1, &GNUNET_GETOPT_set_string, &value },
- { 'S', "list-sections", NULL,
- gettext_noop ("print available configuration sections"),
- 0, &GNUNET_GETOPT_set_one, &list_sections },
+ struct GNUNET_GETOPT_CommandLineOption options[] = {
+ GNUNET_GETOPT_option_flag ('f',
+ "filename",
+ gettext_noop ("obtain option of value as a filename (with $-expansion)"),
+ &is_filename),
+ GNUNET_GETOPT_option_string ('s',
+ "section",
+ "SECTION",
+ gettext_noop ("name of the section to access"),
+ §ion),
+ GNUNET_GETOPT_option_string ('o',
+ "option",
+ "OPTION",
+ gettext_noop ("name of the option to access"),
+ &option),
+ GNUNET_GETOPT_option_string ('V',
+ "value",
+ "VALUE",
+ gettext_noop ("value to set"),
+ &value),
+ GNUNET_GETOPT_option_flag ('S',
+ "list-sections",
+ gettext_noop ("print available configuration sections"),
+ &list_sections),
+ GNUNET_GETOPT_option_flag ('w',
+ "rewrite",
+ gettext_noop ("write configuration file that only contains delta to defaults"),
+ &rewrite),
GNUNET_GETOPT_OPTION_END
};
- if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+ if (GNUNET_OK !=
+ GNUNET_STRINGS_get_utf8_args (argc, argv,
+ &argc, &argv))
return 2;
ret = (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc, argv, "gnunet-config [OPTIONS]",
+ GNUNET_PROGRAM_run (argc,
+ argv,
+ "gnunet-config [OPTIONS]",
gettext_noop ("Manipulate GNUnet configuration files"),
- options, &run, NULL)) ? 0 : ret;
+ options,
+ &run, NULL)) ? 0 : ret;
GNUNET_free ((void*) argv);
return ret;
}
projects / oweals / gnunet.git / blobdiff