mirror of https://git.48k.eu/ogserver
68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
/*
|
|
* Copyright (C) 2020 Soleta Networks <info@soleta.eu>
|
|
*
|
|
* This program 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, version 3.
|
|
*/
|
|
#include <sys/types.h>
|
|
#include <ifaddrs.h>
|
|
#include <string.h>
|
|
#include <netinet/in.h>
|
|
#include <sys/socket.h>
|
|
#include <syslog.h>
|
|
#include <stddef.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <fcntl.h>
|
|
#include "wol.h"
|
|
#include "ogAdmServer.h"
|
|
|
|
bool wake_up_send(int sd, struct sockaddr_in *client,
|
|
const struct wol_msg *msg, const struct in_addr *addr)
|
|
{
|
|
int ret;
|
|
|
|
client->sin_addr.s_addr = addr->s_addr;
|
|
|
|
ret = sendto(sd, msg, sizeof(*msg), 0,
|
|
(struct sockaddr *)client, sizeof(*client));
|
|
if (ret < 0) {
|
|
syslog(LOG_ERR, "failed to send wol\n");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool wake_up_broadcast(int sd, struct sockaddr_in *client,
|
|
const struct wol_msg *msg)
|
|
{
|
|
struct sockaddr_in *broadcast_addr, addr = {};
|
|
struct ifaddrs *ifaddr, *ifa;
|
|
|
|
if (getifaddrs(&ifaddr) < 0) {
|
|
syslog(LOG_ERR, "cannot get list of addresses\n");
|
|
return false;
|
|
}
|
|
|
|
addr.sin_addr.s_addr = htonl(INADDR_BROADCAST);
|
|
|
|
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
|
|
if (ifa->ifa_addr == NULL ||
|
|
ifa->ifa_addr->sa_family != AF_INET ||
|
|
strcmp(ifa->ifa_name, interface) != 0)
|
|
continue;
|
|
|
|
broadcast_addr =
|
|
(struct sockaddr_in *)ifa->ifa_ifu.ifu_broadaddr;
|
|
addr.sin_addr.s_addr = broadcast_addr->sin_addr.s_addr;
|
|
break;
|
|
}
|
|
freeifaddrs(ifaddr);
|
|
|
|
return wake_up_send(sd, client, msg, &addr.sin_addr);
|
|
}
|