new file mode 100644

@@ -0,0 +1,59 @@

+#include "src/lib.h"

+

+int send_wol(const char *interface, unsigned char *buf, int len) {

+	struct sockaddr_ll sll;

+	struct ifreq ifr;

+	int sock, arp_source_ip, arp_target_ip;

+

+	if((sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL))) < 0) {

+		perror("socket");

+		return 1;

+	}

+

+	memset(&ifr, 0x00, sizeof(ifr));

+

+	strcpy(ifr.ifr_name, interface);

+	if(ioctl(sock, SIOCGIFINDEX, &ifr) < 0 ) {

+		perror("ioctl ");

+		return 1;

+	}

+

+	memset(&sll, 0x00, sizeof(sll));

+	sll.sll_family = PF_PACKET;

+	sll.sll_ifindex = ifr.ifr_ifindex;

+	sll.sll_protocol = htons(ETH_P_ALL);

+

+	if(sendto(sock, buf, len, 0,

+    (struct sockaddr *)&sll, sizeof(sll)) < 0) {

+

+    perror("sendto ");

+	}

+

+	return 0;

+}

+

+void make_ether_packet(char *buf, const char *dstmac) {

+  struct ether_header *ether_header = (struct ether_header *)buf;

+  const char broadmac[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};

+  const char srcmac[6] = {0x00, 0x90, 0x27, 0x85, 0xcf, 0x01};

+

+  memcpy(ether_header->ether_dhost, broadmac, 6);

+  memcpy(ether_header->ether_shost, srcmac, 6);

+

+  ether_header->ether_type = htons(0x0842);

+}

+

+void make_wol_packet(char *buf, const char *dstmac) {

+  int offset = 0;

+  const char broadmac[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};

+

+  memcpy(buf, broadmac, sizeof(broadmac));

+

+  offset += sizeof(broadmac);

+

+  for (int i=0; i<16; i++) {

+    memcpy(buf + offset, dstmac, 6);

+

+    offset += 6;

+  }

+}