blob: 64863ddba8b960e15f95b40b641f047f0851a401 [file] [log] [blame]
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include "selinux_internal.h"
#include "policy.h"
#include <limits.h>
#define SELINUX_INITCON_DIR "/initial_contexts/"
int security_get_initial_context(const char * name, char ** con)
{
char path[PATH_MAX];
char *buf;
size_t size;
int fd, ret;
if (!selinux_mnt) {
errno = ENOENT;
return -1;
}
snprintf(path, sizeof path, "%s%s%s",
selinux_mnt, SELINUX_INITCON_DIR, name);
fd = open(path, O_RDONLY);
if (fd < 0)
return -1;
size = selinux_page_size;
buf = malloc(size);
if (!buf) {
ret = -1;
goto out;
}
memset(buf, 0, size);
ret = read(fd, buf, size - 1);
if (ret < 0)
goto out2;
*con = strdup(buf);
if (!(*con)) {
ret = -1;
goto out2;
}
ret = 0;
out2:
free(buf);
out:
close(fd);
return ret;
}