45 lines
702 B
C
45 lines
702 B
C
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <sys/types.h>
|
||
#include <sys/wait.h>
|
||
#include <unistd.h>
|
||
|
||
/**
|
||
* @brief few: folk, execl, wait
|
||
* @details
|
||
*
|
||
* @param argc
|
||
* @param argv
|
||
* @return int
|
||
*/
|
||
int main(int argc, char** argv)
|
||
{
|
||
pid_t pid;
|
||
|
||
puts("Begin!");
|
||
|
||
fflush(NULL);
|
||
|
||
pid = fork( );
|
||
if (pid < 0)
|
||
{
|
||
perror("fork()");
|
||
exit(1);
|
||
}
|
||
|
||
if (0 == pid) // child
|
||
{
|
||
// execl("/bin/sleep", "sleep", "100", NULL);
|
||
execl("/bin/sleep", "httpd", "100", NULL);
|
||
// ! 低级木马:进程树里看到的是httpd 100
|
||
|
||
perror("execl()");
|
||
exit(1);
|
||
}
|
||
|
||
wait(NULL);
|
||
|
||
puts("End!");
|
||
|
||
exit(0);
|
||
} |