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Diffstat (limited to 'src/util/gnunet-config.c')
| -rw-r--r-- | src/util/gnunet-config.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/src/util/gnunet-config.c b/src/util/gnunet-config.c new file mode 100644 index 0000000..e1aa94a --- /dev/null +++ b/src/util/gnunet-config.c @@ -0,0 +1,184 @@ +/* + This file is part of GNUnet. + (C) 2012 Christian Grothoff (and other contributing authors) + + 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 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., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. +*/ + +/** + * @file util/gnunet-config.c + * @brief tool to access and manipulate GNUnet configuration files + * @author Christian Grothoff + */ +#include "platform.h" +#include "gnunet_util_lib.h" + + +/** + * Name of the section + */ +static char *section; + +/** + * Name of the option + */ +static char *option; + +/** + * Value to set + */ +static char *value; + +/** + * Treat option as a filename. + */ +static int is_filename; + +/** + * Return value from 'main'. + */ +static int ret; + + +/** + * Print each option in a given section. + * + * @param cls closure + * @param section name of the section + * @param option name of the option + * @param value value of the option + */ +static void +print_option (void *cls, const char *section, + const char *option, + const char *value) +{ + fprintf (stdout, + "%s = %s\n", option, value); +} + + +/** + * Main function that will be run by the scheduler. + * + * @param cls closure + * @param args remaining command-line arguments + * @param cfgfile name of the configuration file used (for saving, can be NULL!) + * @param cfg configuration + */ +static void +run (void *cls, char *const *args, const char *cfgfile, + const struct GNUNET_CONFIGURATION_Handle *cfg) +{ + struct GNUNET_CONFIGURATION_Handle *out; + + if (NULL == section) + { + fprintf (stderr, _("--section argument is required\n")); + ret = 1; + return; + } + + if (NULL == value) + { + if (NULL == option) + { + 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_log_config_missing (GNUNET_ERROR_TYPE_ERROR, + section, option); + ret = 3; + return; + } + } + else + { + if (GNUNET_OK != + GNUNET_CONFIGURATION_get_value_string (cfg, section, option, &value)) + { + GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, + section, option); + ret = 3; + return; + } + } + fprintf (stdout, "%s\n", value); + } + } + else + { + if (NULL == option) + { + fprintf (stderr, _("--option argument required to set value\n")); + ret = 1; + return; + } + out = GNUNET_CONFIGURATION_dup (cfg); + GNUNET_CONFIGURATION_set_value_string (out, section, option, value); + if (GNUNET_OK != + GNUNET_CONFIGURATION_write (out, cfgfile)) + ret = 2; + GNUNET_CONFIGURATION_destroy (out); + return; + } +} + + +/** + * Program to manipulate configuration files. + * + * @param argc number of arguments from the command line + * @param argv command line arguments + * @return 0 ok, 1 on error + */ +int +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 }, + GNUNET_GETOPT_OPTION_END + }; + 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]", + gettext_noop ("Manipulate GNUnet configuration files"), + options, &run, NULL)) ? 0 : ret; + GNUNET_free ((void*) argv); + return ret; +} + +/* end of gnunet-config.c */ |