273 lines
8.6 KiB
C
273 lines
8.6 KiB
C
/* wMUD - Yet another MUD codebase by W00d5t0ck
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* Copyright (C) 2012 - Gergely POLONKAI
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*
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* configuration.c: configuration file related functions
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <glib.h>
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#include "configuration.h"
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/**
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* SECTION:configuration
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* @short_description: Configuration file handling functions
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* @title: Configuration file handling functions
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*
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*/
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/**
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* active_config:
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*
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* the currently active configuration directives
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*/
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ConfigData *active_config = NULL;
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GQuark
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wmud_config_error_quark()
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{
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return g_quark_from_static_string("wmud-config-error");
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}
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/**
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* wmud_configdata_free:
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* @config_data: pointer to the ConfigData struct to free
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*
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* Correctly free a ConfigData struct with all its members
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*/
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void
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wmud_configdata_free(ConfigData **config_data)
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{
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if ((*config_data)->admin_email) {
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g_free((*config_data)->admin_email);
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}
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if ((*config_data)->database_dsn) {
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g_free((*config_data)->database_dsn);
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}
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if ((*config_data)->smtp_server) {
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g_free((*config_data)->smtp_server);
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}
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if ((*config_data)->smtp_username) {
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g_free((*config_data)->smtp_username);
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}
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if ((*config_data)->smtp_password) {
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g_free((*config_data)->smtp_password);
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}
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if ((*config_data)->smtp_sender) {
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g_free((*config_data)->smtp_sender);
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}
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g_free(*config_data);
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*config_data = NULL;
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}
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/**
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* wmud_config_init:
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* @config_data: a pointer to a ConfigData struct. This will be filled with the
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* configuration file's data
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* @err: The GError in which the config handling status should be returned
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*
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* Parses the default configuration file, and sets different variables
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* according to it.
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*
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* Return value: %TRUE if parsing was successful. %FALSE otherwise.
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*/
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gboolean
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wmud_config_init(ConfigData **config_data, GError **err)
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{
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GString *config_file = g_string_new(WMUD_CONFDIR);
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GKeyFile *config;
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GError *in_err = NULL;
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gchar *pos;
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if (!config_data) {
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return FALSE;
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}
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if (*config_data) {
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g_clear_error(err);
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g_set_error(err,
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WMUD_CONFIG_ERROR, WMUD_CONFIG_ERROR_REUSE,
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"Configuration pointer reuse. Please file a bug report!");
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return FALSE;
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}
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*config_data = g_new0(ConfigData, 1);
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g_string_append(config_file, "/wmud.conf");
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config = g_key_file_new();
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/* TODO: Error checking */
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g_key_file_load_from_file(config, config_file->str, 0, &in_err);
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if (!g_key_file_has_group(config, "global")) {
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g_set_error(err,
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WMUD_CONFIG_ERROR, WMUD_CONFIG_ERROR_NOGLOBAL,
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"Config file (%s) does not contain a [global] group",
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config_file->str);
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g_key_file_free(config);
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g_string_free(config_file, TRUE);
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return FALSE;
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}
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if (!g_key_file_has_group(config, "smtp")) {
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g_set_error(err,
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WMUD_CONFIG_ERROR, WMUD_CONFIG_ERROR_NOSMTP,
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"Config file (%s) does not contain an [smtp] group",
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config_file->str);
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g_key_file_free(config);
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g_string_free(config_file, TRUE);
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return FALSE;
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}
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if (!g_key_file_has_group(config, "database")) {
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g_set_error(err,
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WMUD_CONFIG_ERROR,
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WMUD_CONFIG_ERROR_NODATABASE,
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"Config file (%s) does not contain a [database] group",
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config_file->str);
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g_key_file_free(config);
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g_string_free(config_file, TRUE);
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return FALSE;
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}
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g_clear_error(&in_err);
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(*config_data)->port = g_key_file_get_integer(config,
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"global", "port",
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&in_err);
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if (in_err) {
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if (g_error_matches(in_err,
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G_KEY_FILE_ERROR,
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G_KEY_FILE_ERROR_KEY_NOT_FOUND)) {
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(*config_data)->port = DEFAULT_PORT;
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} else if (g_error_matches(in_err,
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G_KEY_FILE_ERROR,
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G_KEY_FILE_ERROR_INVALID_VALUE)) {
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g_set_error(err,
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WMUD_CONFIG_ERROR, WMUD_CONFIG_ERROR_BADPORT,
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"Config file (%s) contains an invalid port number",
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config_file->str);
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g_key_file_free(config);
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g_string_free(config_file, TRUE);
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(*config_data)->port = 0;
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return FALSE;
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}
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return FALSE;
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}
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g_clear_error(&in_err);
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(*config_data)->admin_email = g_key_file_get_string(config,
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"global", "admin email",
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&in_err);
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if (in_err && g_error_matches(in_err,
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G_KEY_FILE_ERROR,
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G_KEY_FILE_ERROR_KEY_NOT_FOUND)) {
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g_set_error(err,
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WMUD_CONFIG_ERROR, WMUD_CONFIG_ERROR_NOEMAIL,
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"Config file (%s) does not contain an admin e-mail address",
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config_file->str);
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g_key_file_free(config);
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g_string_free(config_file, TRUE);
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wmud_configdata_free(config_data);
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return FALSE;
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}
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g_clear_error(&in_err);
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(*config_data)->smtp_server = g_key_file_get_string(config,
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"smtp", "smtp server",
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&in_err);
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if (in_err && g_error_matches(in_err,
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G_KEY_FILE_ERROR,
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G_KEY_FILE_ERROR_KEY_NOT_FOUND)) {
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g_set_error(err,
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WMUD_CONFIG_ERROR, WMUD_CONFIG_ERROR_NOSMTPSERVER,
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"Config file (%s) does not contain an smtp server address",
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config_file->str);
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g_key_file_free(config);
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g_string_free(config_file, TRUE);
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wmud_configdata_free(config_data);
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return FALSE;
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}
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g_clear_error(&in_err);
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(*config_data)->smtp_sender = g_key_file_get_string(config,
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"smtp", "smtp sender",
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&in_err);
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if (in_err && g_error_matches(in_err,
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G_KEY_FILE_ERROR,
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G_KEY_FILE_ERROR_KEY_NOT_FOUND)) {
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g_set_error(err,
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WMUD_CONFIG_ERROR, WMUD_CONFIG_ERROR_NOSMTPSENDER,
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"Config file (%s) does not contain an smtp sender name",
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config_file->str);
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g_key_file_free(config);
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g_string_free(config_file, TRUE);
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wmud_configdata_free(config_data);
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return FALSE;
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}
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g_clear_error(&in_err);
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(*config_data)->database_dsn = g_key_file_get_string(config,
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"database", "dsn",
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&in_err);
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if (in_err && g_error_matches(in_err,
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G_KEY_FILE_ERROR,
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G_KEY_FILE_ERROR_KEY_NOT_FOUND)) {
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g_set_error(err,
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WMUD_CONFIG_ERROR, WMUD_CONFIG_ERROR_NOWORLD,
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"Config file (%s) does not contain a database dsn",
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config_file->str);
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g_key_file_free(config);
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g_string_free(config_file, TRUE);
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wmud_configdata_free(config_data);
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return FALSE;
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}
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if ((pos = g_strstr_len((*config_data)->database_dsn,
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-1, "{statedir}")) != NULL) {
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guint real_pos = pos - (*config_data)->database_dsn;
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GString *tmp = g_string_new((*config_data)->database_dsn);
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g_string_erase(tmp, real_pos, 10);
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g_string_insert(tmp, real_pos, WMUD_STATEDIR);
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(*config_data)->database_dsn = tmp->str;
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g_string_free(tmp, FALSE);
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}
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g_key_file_free(config);
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g_string_free(config_file, TRUE);
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return TRUE;
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}
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