Adding a simple wake on LAN command line utility. It will broadcast a magic
packet that targets the MAC address supplied by argument. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32555 a95241bf-73f2-0310-859d-f6bbb57e9c96
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SubDir HAIKU_TOP src bin network ;
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StdBinCommands
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wakeonlan.cpp
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: network : $(haiku-utils_rsrc) ;
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SubInclude HAIKU_TOP src bin network arp ;
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SubInclude HAIKU_TOP src bin network atftpd ;
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SubInclude HAIKU_TOP src bin network ftp ;
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/*
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* Copyright 2009, Michael Lotz, mmlr@mlotz.ch.
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* Distributed under the terms of the MIT License.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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int
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main(int argc, char *argv[])
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{
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if (argc < 2) {
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printf("usage: %s <MAC address>\n", argv[0]);
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return 1;
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}
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unsigned char mac[6];
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if (sscanf(argv[1], "%2x%*c%2x%*c%2x%*c%2x%*c%2x%*c%2x", &mac[0], &mac[1],
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&mac[2], &mac[3], &mac[4], &mac[5]) != 6) {
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printf("unrecognized MAC format\n");
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return 2;
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}
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char buffer[102];
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memset(buffer, 0xff, 6);
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for (int i = 1; i <= 16; i++)
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memcpy(buffer + i * 6, mac, sizeof(mac));
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int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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if (sock < 0) {
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printf("failed to create socket: %s\n", strerror(sock));
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return 3;
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}
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int value = 1;
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int result = setsockopt(sock, SOL_SOCKET, SO_BROADCAST, &value,
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sizeof(value));
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if (result < 0) {
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printf("failed to set broadcast socket option: %s\n", strerror(result));
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return 4;
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}
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sockaddr_in address;
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address.sin_family = AF_INET;
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address.sin_addr.s_addr = 0xffffffff;
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address.sin_port = 0;
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result = sendto(sock, buffer, sizeof(buffer), 0,
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(struct sockaddr *)&address, sizeof(address));
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if (result < 0) {
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printf("failed to send magic packet: %s\n", strerror(result));
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return 5;
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}
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printf("magic packet sent to %02x:%02x:%02x:%02x:%02x:%02x\n", mac[0],
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mac[1], mac[2], mac[3], mac[4], mac[5]);
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return 0;
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}
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