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#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <stdio.h>
#include <linux/unistd.h>
#include "sys/apparmor.h"
#define SD_ID_MAGIC 0xdeadbeef
int main(int argc, char *argv[])
{
int fd, error;
char *hat_name;
int hat_magic;
char *o_file = "/bin/ls";
while (1) {
hat_name = "/subprofile/foo";
hat_magic = SD_ID_MAGIC + 1;
if (argc > 1)
hat_name = argv[1];
printf("before entering change_hat\n");
error = change_hat(hat_name, hat_magic);
printf("change_hat(%s, 0x%x): %s\n", hat_name, hat_magic,
strerror(errno));
errno = 0;
fd = open(o_file, O_RDONLY);
printf("open(%s): %s\n", o_file, strerror(errno));
if (fd != -1)
close(fd);
hat_name = NULL;
printf("before leaving change_hat\n");
errno = 0;
error = change_hat(hat_name, hat_magic);
printf("change_hat(%s, 0x%x): %s\n", "NULL", hat_magic,
strerror(errno));
errno = 0;
fd = open(o_file, O_RDONLY);
printf("open(%s): %s\n", o_file, strerror(errno));
if (fd != -1)
close(fd);
}
}
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