int main(void)
{
STARTUPINFO si1;
PROCESS_INFORMATION pi;
LPVOID lpMsgBuf;
// Initialize data
ZeroMemory( &si1, sizeof(si1) );
si1.cb = sizeof(si1);
ZeroMemory( &pi, sizeof(pi) );
if ( ! CreateProcess(
NULL, // No module name (use command line)
"print-pid", // Command line for process
NULL, // Process handle not inheritable
NULL, // Thread handle not inheritable.
FALSE, // Set handle inheritance to FALSE.
0, // No creation flags.
NULL, // Use parent's environment block.
NULL, // Use parent's starting directory.
&si1, // Pointer to STARTUPINFO structure.
&pi ) // Pointer to PROCESS_INFORMATION struct
)
{
// Try to format the error message from the last failed call (returns # of TCHARS in message -- 0 if failed)
if ( FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER | // source and processing options
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, // message source
GetLastError(), // message identifier
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // language identifier (Default language)
(LPTSTR) &lpMsgBuf, // message buffer
0, // maximum size of message buffer (ignored with FORMAT_MESSAGE_ALLOCATE_BUFFER set)
NULL // array of message inserts
)
)
{
// Display the formatted string.
PrintMessage( (LPSTR)lpMsgBuf );
// Free the buffer.
LocalFree( lpMsgBuf );
}
ErrSys( "CreateProcess failed." );
}
printf( "Created child with pid %d\n", pi.dwProcessId );
/* parent continues concurrently with child */
Sleep(3000);
WaitForSingleObject(pi.hProcess, INFINITE);
Sleep(3000); // 3 seconds wait to let us see output
ExitProcess(0);
}
int main ( int argc, char *argv[] )
{
STARTUPINFO si1;
PROCESS_INFORMATION pi;
DWORD dwChildID = 0;
char szBuff[BUFFER_SIZE];
// Initialize data
ZeroMemory( &si1, sizeof(si1) );
si1.cb = sizeof(si1);
ZeroMemory( &pi, sizeof(pi) );
// Check to see if child (arg2 = childID) or parent (1 arg)
if (argc == 2) {
// Child
dwChildID = atoi( argv[1] );
if (dwChildID == 1) {
ChildsPlay();
ExitProcess(0);
} else {
ErrSys( "Unknown child created." );
ExitProcess(1);
}
} else if (argc != 1) { // Parent has no args (1 = name of program, 2 = name + 1 arg, etc)
ErrSys("Incorrect number of arguments.");
ExitProcess(1);
}
// Parent
// Fill in the command line for 1st child
sprintf_s(szBuff, BUFFER_SIZE, "%s 1", argv[0]);
/* Start the child process */
if ( !CreateProcess(
NULL, // No module name (use command line)
szBuff, // Command line
NULL, // Process handle not inheritable
NULL, // Thread handle not inheritable.
FALSE, // Set handle inheritance to FALSE.
0, // No creation flags.
NULL, // Use parent's environment block.
NULL, // Use parent's starting directory.
&si1, // Pointer to STARTUPINFO structure.
&pi ) // Pointer to PROCESS_INFORMATION struct
)
{
ErrSys( "CreateProcess failed." );
}
printf("Created child with pid %d\n", pi.dwProcessId);
/* parent continues concurrently with child */
Sleep(2000); // Windows Sleep() is in milliseconds
printf("Shoo away!\n");
/* wait for normal termination of child process */
WaitForSingleObject(pi.hProcess, INFINITE);
CloseHandle(pi.hProcess);
CloseHandle(pi.hThread);
Sleep(2000); //so we can watch the output
ExitProcess(0);
}
int main(int argc, char *argv[])
{
STARTUPINFO si1;
STARTUPINFO si2;
PROCESS_INFORMATION pi1;
PROCESS_INFORMATION pi2;
char *szMessage1 = "Goodbye";
char *szMessage2 = "World";
DWORD dwChildID = 0;
char szBuff[BUFF_SZ];
// Initialize data
ZeroMemory( &si1, sizeof(si1) );
si1.cb = sizeof(si1);
ZeroMemory( &si2, sizeof(si2) );
si2.cb = sizeof(si2);
ZeroMemory( &pi1, sizeof(pi1) );
ZeroMemory( &pi2, sizeof(pi2) );
// Check to see if child (arg2 = childID) or parent (1 arg)
if (argc == 2) {
// Child
dwChildID = atoi( argv[1] );
if (1 == dwChildID) {
PrintMessage(szMessage1);
/*sleep(2);*/
ExitProcess(0);
} else if (2 == dwChildID) {
PrintMessage(szMessage2);
/*sleep(2);*/
ExitProcess(0);
} else {
ErrSys( "Unknown child created." );
ExitProcess(1);
}
} else if (argc != 1) { // Parent has no args (1 = name of program, 2 = name + 1 arg, etc)
ErrSys( "Incorrect number of arguments." );
ExitProcess(1);
}
// Parent
// Fill in the command line for 1st child
sprintf_s( szBuff, BUFF_SZ, "%s 1", argv[0] );
/*printf("\n\nbefore CreateProcess\n"); */
/* Start the child process */
if ( ! CreateProcess(
NULL, // No module name (use command line)
szBuff, // Command line
NULL, // Process handle not inheritable
NULL, // Thread handle not inheritable.
FALSE, // Set handle inheritance to FALSE.
0, // No creation flags.
NULL, // Use parent's environment block.
NULL, // Use parent's starting directory.
&si1, // Pointer to STARTUPINFO structure.
&pi1 ) // Pointer to PROCESS_INFORMATION struct
)
{
ErrSys( "CreateProcess failed." );
}
/*printf("Created 1st child with dwProcessId %d\n", pi1.dwProcessId);*/
/* parent continues and creates another child */
// Fill in the command line for 2nd child
sprintf_s(szBuff, BUFF_SZ, "%s 2", argv[0]);
/*printf("\n\nbefore CreateProcess\n"); */
/* Start the child process */
if ( ! CreateProcess(
NULL, // No module name (use command line)
szBuff, // Command line
NULL, // Process handle not inheritable
NULL, // Thread handle not inheritable.
FALSE, // Set handle inheritance to FALSE.
0, // No creation flags.
NULL, // Use parent's environment block.
NULL, // Use parent's starting directory.
&si2, // Pointer to STARTUPINFO structure.
&pi2 ) // Pointer to PROCESS_INFORMATION struct
)
{
ErrSys( "CreateProcess failed." );
}
/*printf("Created 2nd child with dwProcessId %d\n", pi2.dwProcessId);*/
/*sleep(2);*/ /* parent */
ExitProcess(0);
}
void SysWork(char *addr, int trc)
{
int i=1,end=0,chk;
u_char *src; //печать адресов на экран
char my_ip[16]; //для хранения своего адреса
struct sniff_icmp *icmp,*icmprep; //заголовки
struct sniff_ip *ip,*iprep;
struct sockaddr_in sr_addr; //адрес, до котоого пингуем
socklen_t len=sizeof(struct sockaddr_in);
u_char buf[sizeof(struct sniff_icmp)+sizeof(struct sniff_ip)],
recbuf[sizeof(struct sniff_icmp)+sizeof(struct sniff_ip)];
//----------------первоначальная настройка-------------------
atexit(EndSys);
GetIp("eth0",my_ip); //забираем свой адрес
//пивязываем заголовк к памяти
ip=(struct sniff_ip*)buf;
icmp=(struct sniff_icmp*)(buf+sizeof(struct sniff_ip));
iprep=(struct sniff_ip*)recbuf;
icmprep=(struct sniff_icmp*)(recbuf+sizeof(struct sniff_ip));
//заполнение заголовка ip
ip->ihl=5;
ip->ver=4;
ip->tos=0;
ip->len=sizeof(struct sniff_icmp)+sizeof(struct sniff_ip);
ip->id=htons(7777);
ip->frag_off=0;
if(trc==1) ip->ttl=1;
else ip->ttl=128;
ip->protocol=IPPROTO_ICMP;
ip->ip_dest=inet_addr(addr);
ip->ip_source=inet_addr(my_ip);
ip->cs=0;
//заполнение заголовка icmp
icmp->type=8;
icmp->code=0;
icmp->un.echo.id=0;
icmp->un.echo.sequence=0;
icmp->cs=0;
icmp->cs=CheckSum((unsigned short*)icmp,sizeof(struct sniff_icmp));
ip->cs=CheckSum((unsigned short*)ip,sizeof(struct sniff_ip));
//заполнение адреса
sr_addr.sin_addr.s_addr=inet_addr(addr);
sr_addr.sin_family=AF_INET;
//открываем сокет
rid=socket(AF_INET,SOCK_RAW,IPPROTO_ICMP);
if(rid<0)
{
ErrSys("socket create\n");
}
//не заполнять заголовки автоматически
chk=setsockopt(rid,IPPROTO_IP,IP_HDRINCL,&i,sizeof(i));
if(chk<0) ErrSys("setsockopt\n");
//------------------основная работа-------------------
//trace
if(trc==1)
{
puts("tracing...");
do
{
//отправляем
chk=sendto(rid,buf,sizeof(struct sniff_icmp)+sizeof(struct sniff_ip),0,
(struct sockaddr*)&sr_addr,len);
if(chk<0) ErrSys("send\n");
//ждем ответа
chk=recvfrom(rid,recbuf,sizeof(struct sniff_icmp)+sizeof(struct sniff_ip),0,
(struct sockaddr*)&sr_addr,&len);
if(chk<0) ErrSys("recv\n");
else
{
src=(u_char*)&iprep->ip_source;
printf("%d host: %d.%d.%d.%d, ttl: %d\n",i++,src[0],src[1],src[2],src[3],
iprep->ttl);
//меняем ттл пересчитываем контольную сумму
ip->ttl++;
ip->cs=0;
ip->cs=CheckSum((unsigned short*)ip,sizeof(struct sniff_ip));
}
}
//продолжаем, пока не получим ответ от искомого адреса
while(ip->ip_dest!=iprep->ip_source);
}
//ping
else
{
while(end!=4)
{
//отправляем
chk=sendto(rid,buf,sizeof(struct sniff_icmp)+sizeof(struct sniff_ip),0,
(struct sockaddr*)&sr_addr,len);
if(chk<0) ErrSys("send\n");
printf("ping sent\n");
//ждем ответа
chk=recvfrom(rid,recbuf,sizeof(struct sniff_icmp)+sizeof(struct sniff_ip),0,
(struct sockaddr*)&sr_addr,&len);
if(chk<0) ErrSys("recv\n");
else
{
src=(u_char*)&iprep->ip_source;
printf("from %d.%d.%d.%d, ttl: %d\n",src[0],src[1],src[2],src[3],iprep->ttl);
//printf("icmp type %x code %x\n",icmprep->type,icmp->code);
}
usleep(200000);
end++;
}
}
}
