/*
device.c -- UML network socket
Copyright (C) 2002-2005 Ivo Timmermans,
- 2002-2017 Guus Sliepen <guus@tinc-vpn.org>
+ 2002-2022 Guus Sliepen <guus@tinc-vpn.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
} name;
struct timeval tv;
- if(!get_config_string(lookup_config(config_tree, "Device"), &device)) {
+ if(!get_config_string(lookup_config(&config_tree, "Device"), &device)) {
xasprintf(&device, RUNSTATEDIR "/%s.umlsocket", identname);
}
- get_config_string(lookup_config(config_tree, "Interface"), &iface);
+ get_config_string(lookup_config(&config_tree, "Interface"), &iface);
if((write_fd = socket(PF_UNIX, SOCK_DGRAM, 0)) < 0) {
logger(DEBUG_ALWAYS, LOG_ERR, "Could not open write %s: %s", device_info, strerror(errno));
return true;
}
-void close_device(void) {
+static void close_device(void) {
if(listen_fd >= 0) {
close(listen_fd);
listen_fd = -1;
return false;
}
- write(request_fd, &data_sun, sizeof(data_sun));
+ if(write(request_fd, &data_sun, sizeof(data_sun)) != sizeof(data_sun)) {
+ logger(DEBUG_ALWAYS, LOG_ERR, "Error while responding to request from %s %s: %s", device_info, device, strerror(errno));
+ event_exit();
+ return false;
+ }
+
device_fd = data_fd;
logger(DEBUG_ALWAYS, LOG_INFO, "Connection with UML established");