#include <unistd.h>

#include <stdio.h>

#include <stdlib.h>

#include <selinux/selinux.h>

int main(int argc, char **argv) 

{

	pid_t pid;

	char *buf;

	int rc;

	if (argc != 2) {

		fprintf(stderr, "usage:  %s pid\n", argv[0]);

		exit(1);

	}

	if (sscanf(argv[1], "%d", &pid) != 1) {

		fprintf(stderr, "%s:  invalid pid %s\n", argv[0], argv[1]);

		exit(2);

	}		

	rc = getpidcon(pid, &buf;;

	if (rc < 0) {

		fprintf(stderr, "%s:  getpidcon() failed\n", argv[0]);

		exit(3);

	}

	printf("%s\n", buf);

	freecon(buf);

	exit(0);

}