#include <unistd.h>

#include <sys/types.h>

#include <stdio.h>

#include <stdlib.h>

#include <errno.h>

#include <selinux/selinux.h>

int main(int argc, char **argv) 

{

	char *buf;

	security_class_t tclass;

	int ret;

	if (argc != 4) {

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

		exit(1);

	}

	tclass = string_to_security_class(argv[3]);

	if (!tclass) {

		fprintf(stderr, "Invalid class '%s'\n", argv[3]);

		exit(2);

	}

	ret = security_compute_member(argv[1], argv[2], tclass, &buf;;

	if (ret < 0) {

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

		exit(3);

	}

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

	freecon(buf);

	exit(0);

}