int conf_file_merge(void)
{
GDir *confdir;
struct stat fileinfo, dir;
const gchar *filename, *mode = 0;
gchar *filename_full;
GString *keyfile_string = NULL;
GKeyFile *settingsfile;
int ret = 0, test = 0;
#ifdef UDEV
const gchar *udev = 0;
#endif /* UDEV */
confdir = g_dir_open(CONFIG_FILE_DIR, 0, NULL);
if(!confdir)
{
log_debug("No configuration. Creating defaults.\n");
create_conf_file();
return (ret);
}
if (stat(FS_MOUNT_CONFIG_FILE, &fileinfo) == -1)
{
/* conf file not created yet, make default and merge all */
create_conf_file();
}
/* config file is created, so the dir must exists */
stat(CONFIG_FILE_DIR, &dir);
/* st_mtime is changed by file modifications, st_mtime of a directory is changed by the creation or deletion of files in that directory.
So if the st_mtime of the config file is equal to the directory time we can be sure the config is untouched and we do not need
to re-merge the config.
*/
if(fileinfo.st_mtime == dir.st_mtime)
return 0;
log_debug("Merging/creating configuration.\n");
keyfile_string = g_string_new(NULL);
/* check each ini file and get contents */
while((filename = g_dir_read_name(confdir)) != NULL)
{
log_debug("filename = %s\n", filename);
filename_full = g_strconcat(CONFIG_FILE_DIR, "/", filename, NULL);
if(!strcmp(filename_full, FS_MOUNT_CONFIG_FILE))
{
/* store mode info to add it later as we want to keep it */
mode = get_mode_setting();
#ifdef UDEV
/* store udev path (especially important for the upgrade path */
udev = find_udev_path();
#endif /* UDEV */
break;
}
/* load contents of file, if it fails skip to next one */
settingsfile = g_key_file_new();
test = g_key_file_load_from_file(settingsfile, filename_full, G_KEY_FILE_KEEP_COMMENTS, NULL);
if(!test)
{
log_debug("%d failed loading config file %s\n", test, filename_full);
g_free(filename_full);
break;
}
g_free(filename_full);
log_debug("file data = %s\n", g_key_file_to_data(settingsfile, NULL, NULL));
keyfile_string = g_string_append(keyfile_string, g_key_file_to_data(settingsfile, NULL, NULL));
log_debug("keyfile_string = %s\n", keyfile_string->str);
g_key_file_free(settingsfile);
}
if(keyfile_string)
{
/* write out merged config file */
/* g_file_set_contents returns 1 on succes, this function returns 0 */
ret = !g_file_set_contents(FS_MOUNT_CONFIG_FILE, keyfile_string->str, -1, NULL);
g_string_free(keyfile_string, TRUE);
if(mode)
{
set_mode_setting(mode);
}
#ifdef UDEV
if(udev)
{
set_config_setting(UDEV_PATH_ENTRY, UDEV_PATH_KEY, udev);
}
#endif /* UDEV */
}
else
ret = 1;
if(mode)
free((void *)mode);
#ifdef UDEV
if(udev)
free((void *)udev);
#endif /* UDEV */
g_dir_close(confdir);
return(ret);
}
int conf_file_merge(void)
{
GDir *confdir;
struct stat fileinfo, dir;
char *mode = 0, *ip = 0, *gateway = 0, *udev = 0;
gchar *filename_full;
const gchar *filename;
GString *keyfile_string = NULL;
GKeyFile *settingsfile;
int ret = 0, test = 0, conffile_created = 0;
confdir = g_dir_open(CONFIG_FILE_DIR, 0, NULL);
if(!confdir)
{
log_debug("No configuration. Creating defaults.\n");
create_conf_file();
/* since there was no configuration at all there is no info to be merged */
return (ret);
}
if (stat(FS_MOUNT_CONFIG_FILE, &fileinfo) == -1)
{
/* conf file not created yet, make default and merge all */
create_conf_file();
conffile_created = 1;
}
/* config file is created, so the dir must exists */
if(stat(CONFIG_FILE_DIR, &dir))
{
log_warning("Directory still does not exists. FS might be ro/corrupted!\n");
ret = 1;
goto end;
}
/* st_mtime is changed by file modifications, st_mtime of a directory is changed by the creation or deletion of files in that directory.
So if the st_mtime of the config file is equal to the directory time we can be sure the config is untouched and we do not need
to re-merge the config.
*/
if(fileinfo.st_mtime == dir.st_mtime)
{
/* if a conffile was created, the st_mtime would have been updated so this check will miss information that might be there already,
like after a config file removal for example. So we run a merge anyway if we needed to create the conf file */
if(!conffile_created)
goto end;
}
log_debug("Merging/creating configuration.\n");
keyfile_string = g_string_new(NULL);
/* check each ini file and get contents */
while((filename = g_dir_read_name(confdir)) != NULL)
{
if(!strstr(filename, ".ini"))
{
/* skip this file as it might be a dir or not an ini file */
continue;
}
filename_full = g_strconcat(CONFIG_FILE_DIR, "/", filename, NULL);
log_debug("filename = %s\n", filename_full);
if(!strcmp(filename_full, FS_MOUNT_CONFIG_FILE))
{
/* store mode info to add it later as we want to keep it */
mode = get_mode_setting();
/* store udev path (especially important for the upgrade path */
udev = find_udev_path();
ip = get_conf_string(NETWORK_ENTRY, NETWORK_IP_KEY);
gateway = get_conf_string(NETWORK_ENTRY, NETWORK_GATEWAY_KEY);
continue;
}
/* load contents of file, if it fails skip to next one */
settingsfile = g_key_file_new();
test = g_key_file_load_from_file(settingsfile, filename_full, G_KEY_FILE_KEEP_COMMENTS, NULL);
if(!test)
{
log_debug("%d failed loading config file %s\n", test, filename_full);
goto next;
}
log_debug("file data = %s\n", g_key_file_to_data(settingsfile, NULL, NULL));
keyfile_string = g_string_append(keyfile_string, g_key_file_to_data(settingsfile, NULL, NULL));
log_debug("keyfile_string = %s\n", keyfile_string->str);
g_key_file_free(settingsfile);
next:
g_free(filename_full);
}
if(keyfile_string)
{
/* write out merged config file */
/* g_file_set_contents returns 1 on succes, this function returns 0 */
ret = !g_file_set_contents(FS_MOUNT_CONFIG_FILE, keyfile_string->str, -1, NULL);
g_string_free(keyfile_string, TRUE);
if(mode)
{
set_mode_setting(mode);
}
if(udev)
{
set_config_setting(UDEV_PATH_ENTRY, UDEV_PATH_KEY, udev);
}
/* check if no network data came from an ini file */
if( get_conf_string(NETWORK_ENTRY, NETWORK_IP_KEY))
goto cleanup;
if(ip)
set_network_setting(NETWORK_IP_KEY, ip);
if(gateway)
set_network_setting(NETWORK_GATEWAY_KEY, gateway);
}
else
ret = 1;
cleanup:
if(mode)
free(mode);
if(udev)
free(udev);
if(ip)
free(ip);
if(gateway)
free(gateway);
end:
g_dir_close(confdir);
return(ret);
}
static DBusHandlerResult msg_handler(DBusConnection *const connection, DBusMessage *const msg, gpointer const user_data)
{
DBusHandlerResult status = DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
DBusMessage *reply = 0;
const char *interface = dbus_message_get_interface(msg);
const char *member = dbus_message_get_member(msg);
const char *object = dbus_message_get_path(msg);
int type = dbus_message_get_type(msg);
const char *xml = "<!DOCTYPE node PUBLIC \"-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\" "
"\"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\">\n"
"<node name=\"/com/meego/usb_moded\">\n"
" <interface name=\"com.meego.usb_moded\">\n"
" <method name=\"mode_request\">\n"
" <arg name=\"mode\" type=\"s\" direction=\"out\"/>\n"
" </method>\n"
" <method name=\"set_mode\">\n"
" <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n"
" </method>\n"
" <signal name=\"sig_usb_state_ind\">\n"
" <arg name=\"mode\" type=\"s\"/>\n"
" </signal>\n"
" </interface>\n"
" </node>\n";
(void)user_data;
if(!interface || !member || !object) goto EXIT;
if( type == DBUS_MESSAGE_TYPE_METHOD_CALL && !strcmp(interface, USB_MODE_INTERFACE) && !strcmp(object, USB_MODE_OBJECT))
{
status = DBUS_HANDLER_RESULT_HANDLED;
if(!strcmp(member, USB_MODE_STATE_REQUEST))
{
const char *mode = get_usb_mode();
if((reply = dbus_message_new_method_return(msg)))
dbus_message_append_args (reply, DBUS_TYPE_STRING, &mode, DBUS_TYPE_INVALID);
}
else if(!strcmp(member, USB_MODE_STATE_SET))
{
char *use = 0;
DBusError err = DBUS_ERROR_INIT;
if(!dbus_message_get_args(msg, &err, DBUS_TYPE_STRING, &use, DBUS_TYPE_INVALID))
reply = dbus_message_new_error(msg, DBUS_ERROR_INVALID_ARGS, member);
else
{
/* check if usb is connected, since it makes no sense to change mode if it isn't */
if(!get_usb_connection_state())
{
log_warning("USB not connected, not changing mode!\n");
goto error_reply;
}
/* check if the mode exists */
if(valid_mode(use))
goto error_reply;
/* do not change mode if the mode requested is the one already set */
if(strcmp(use, get_usb_mode()) != 0)
set_usb_mode(use);
if((reply = dbus_message_new_method_return(msg)))
dbus_message_append_args (reply, DBUS_TYPE_STRING, &use, DBUS_TYPE_INVALID);
else
error_reply:
reply = dbus_message_new_error(msg, DBUS_ERROR_INVALID_ARGS, member);
}
dbus_error_free(&err);
}
else if(!strcmp(member, USB_MODE_CONFIG_SET))
{
char *config = 0;
DBusError err = DBUS_ERROR_INIT;
if(!dbus_message_get_args(msg, &err, DBUS_TYPE_STRING, &config, DBUS_TYPE_INVALID))
reply = dbus_message_new_error(msg, DBUS_ERROR_INVALID_ARGS, member);
else
{
/* error checking is done when setting configuration */
if(!set_mode_setting(config))
{
if((reply = dbus_message_new_method_return(msg)))
dbus_message_append_args (reply, DBUS_TYPE_STRING, &config, DBUS_TYPE_INVALID);
}
else
reply = dbus_message_new_error(msg, DBUS_ERROR_INVALID_ARGS, config);
}
dbus_error_free(&err);
}
else if(!strcmp(member, USB_MODE_NETWORK_SET))
{
char *config = 0, *setting = 0;
DBusError err = DBUS_ERROR_INIT;
if(!dbus_message_get_args(msg, &err, DBUS_TYPE_STRING, &config, DBUS_TYPE_STRING, &setting, DBUS_TYPE_INVALID))
reply = dbus_message_new_error(msg, DBUS_ERROR_INVALID_ARGS, member);
else
{
/* error checking is done when setting configuration */
if(!set_network_setting(config, setting))
{
if((reply = dbus_message_new_method_return(msg)))
dbus_message_append_args (reply, DBUS_TYPE_STRING, &config, DBUS_TYPE_STRING, &setting, DBUS_TYPE_INVALID);
usb_network_update();
}
else
reply = dbus_message_new_error(msg, DBUS_ERROR_INVALID_ARGS, config);
}
dbus_error_free(&err);
}
else if(!strcmp(member, USB_MODE_NETWORK_GET))
{
char *config = 0;
const char *setting = 0;
DBusError err = DBUS_ERROR_INIT;
if(!dbus_message_get_args(msg, &err, DBUS_TYPE_STRING, &config, DBUS_TYPE_INVALID))
{
reply = dbus_message_new_error(msg, DBUS_ERROR_INVALID_ARGS, member);
}
else
{
setting = get_network_setting(config);
if(setting)
{
if((reply = dbus_message_new_method_return(msg)))
dbus_message_append_args (reply, DBUS_TYPE_STRING, &config, DBUS_TYPE_STRING, &setting, DBUS_TYPE_INVALID);
free((void *)setting);
}
else
reply = dbus_message_new_error(msg, DBUS_ERROR_INVALID_ARGS, config);
}
}
else if(!strcmp(member, USB_MODE_CONFIG_GET))
{
const char *config = get_mode_setting();
if((reply = dbus_message_new_method_return(msg)))
dbus_message_append_args (reply, DBUS_TYPE_STRING, &config, DBUS_TYPE_INVALID);
free((void *)config);
}
else if(!strcmp(member, USB_MODE_LIST))
{
gchar *mode_list = get_mode_list();
if((reply = dbus_message_new_method_return(msg)))
dbus_message_append_args (reply, DBUS_TYPE_STRING, (const char *) &mode_list, DBUS_TYPE_INVALID);
g_free(mode_list);
}
else if(!strcmp(member, USB_MODE_RESCUE_OFF))
{
rescue_mode = FALSE;
log_debug("Rescue mode off\n ");
reply = dbus_message_new_method_return(msg);
}
else
{
/*unknown methods are handled here */
reply = dbus_message_new_error(msg, DBUS_ERROR_UNKNOWN_METHOD, member);
}
if( !reply )
{
reply = dbus_message_new_error(msg, DBUS_ERROR_FAILED, member);
}
}
else if( type == DBUS_MESSAGE_TYPE_METHOD_CALL && !strcmp(interface, "org.freedesktop.DBus.Introspectable") &&
!strcmp(object, USB_MODE_OBJECT) && !strcmp(member, "Introspect"))
{
status = DBUS_HANDLER_RESULT_HANDLED;
if((reply = dbus_message_new_method_return(msg)))
dbus_message_append_args (reply, DBUS_TYPE_STRING, &xml, DBUS_TYPE_INVALID);
}
EXIT:
if(reply)
{
if( !dbus_message_get_no_reply(msg) )
{
if( !dbus_connection_send(connection, reply, 0) )
log_debug("Failed sending reply. Out Of Memory!\n");
}
dbus_message_unref(reply);
}
return status;
}
