session.c

关于 linux密钥的一些安全介绍 #ifndef COMMON_H #define COMMON_H #define MY_PROC_INTERFACE "/proc/learning

#include <stdio.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <stdlib.h>
#include <unistd.h>

#include "../common.h"

int main(int argc, char *argv[])
{
  int retval;
  char *myshell = "/bin/bash";
  int fd = open(MY_PROC_INTERFACE, O_RDWR);
  if(fd < 0){
    perror("proc-file failed to open");
    exit(1);
  }

  retval = ioctl(fd, FRESH_SESSION);
  if(retval == -1){
   perror("ioctl failed");
   close(fd);
   exit(1);
  }
  close(fd);
  
  argv[0] = myshell;
  execvp(myshell, argv);

  
  perror(myshell);
  printf("You don't have bash ???\n");
  exit(1);
}