Android firmware uses UDP socket to send magic Packet

Android firmware uses UDP socket to send magic Packet

1#include <stdio.h>2#include <string.h>3#include <stdlib.h>4#include <unistd.h>5#include <sys/types.h>6#include <sys/stat.h>7#include <sys/socket.h>8#include <netinet/inch.h>9#include <arpa/inet.h>Ten#include <netdb.h> One  A voidFill_magic_buf (void*magic_buf,void*mac) - {  -          inti; the          Char*ptr; -  -PTR =Magic_buf; -Memset (PTR,0xFF,6);  +PTR + =6;  -  +           for(i =0; I < -; ++i) { Amemcpy (PTR, Mac,6);  atPTR + =6;  -          }  - }  -  - voidUsagevoid)  - {  inprintf"usage...\n");  -  }  to  + intMainintargcChar**argv) - {  the          ints; *          intPacket_num =Ten;  $          CharC;Panax Notoginseng  -UnsignedCharmac[6] = {0x94,0x39,0xe5,0x02,0x5E,0xc9};  the          Chardstip[ the] ="192.168.1.103";  +          intPort =4097;  A  the          structsockaddr_in address; +          Charmagic_buf[6+6* -] = {0};  -  $Daemon0,0);/*Run in background*/  $  -           while(c = getopt (argc, argv,"d:m:p:")) != -1) {  -                  Switch(c) { the                   Case 'D':  - strcpy (Dstip, optarg);Wuyi                           Break;  the                   Case 'm':  -SSCANF (Optarg,"%x:%x:%x:%x:%x:%x",  Wu(unsignedint*) &mac[0], (unsignedint*) &mac[1],  -(unsignedint*) &mac[2], (unsignedint*) &mac[3],  About(unsignedint*) &mac[4], (unsignedint*) &mac[5]);  $                           Break;  -                   Case 'P':  -Port =atoi (optarg); -                           Break;  A                  default:  + usage (); the                          return-1;  -                  }  $          }  the  thes = socket (af_inet, SOCK_DGRAM,0);  the  the          if(s = =-1) {  -Perror ("Opening Socket");  in exit (exit_failure); the          }  the  Aboutmemset (&address,0,sizeof(structsockaddr_in));  theaddress.sin_family =af_inet; theADDRESS.SIN_ADDR.S_ADDR =inet_addr (dstip); theAddress.sin_port =htons (port); +  - fill_magic_buf (Magic_buf, Mac); the Bayi          /*Ten packets. Todo:use Ping to check whether the destination are on or else. */  the           while(packet_num-->0) {  the                  if(SendTo (S, Magic_buf,sizeof(MAGIC_BUF),0,  -(structSOCKADDR *) &address,sizeof(address)) <0) {  -printf"sendto\n");  the exit (exit_failure); the                  }  theSleep1);  the          }  -  the exit (exit_success); the}

Android firmware using a UDP socket to send magic Packet