| Christian Göttsche | d1ff68f | 2017-05-06 15:08:47 +0200 | [diff] [blame] | 1 | #include <unistd.h> |
| 2 | #include <sys/types.h> |
| 3 | #include <fcntl.h> |
| 4 | #include <stdlib.h> |
| 5 | #include <errno.h> |
| 6 | #include <string.h> |
| 7 | #include "selinux_internal.h" |
| 8 | #include "policy.h" |
| 9 | #include <stdio.h> |
| 10 | #include <limits.h> |
| 11 | |
| 12 | int security_get_checkreqprot(void) |
| 13 | { |
| 14 | int fd, ret, checkreqprot = 0; |
| 15 | char path[PATH_MAX]; |
| 16 | char buf[20]; |
| 17 | |
| 18 | if (!selinux_mnt) { |
| 19 | errno = ENOENT; |
| 20 | return -1; |
| 21 | } |
| 22 | |
| 23 | snprintf(path, sizeof(path), "%s/checkreqprot", selinux_mnt); |
| 24 | fd = open(path, O_RDONLY | O_CLOEXEC); |
| 25 | if (fd < 0) |
| 26 | return -1; |
| 27 | |
| 28 | memset(buf, 0, sizeof(buf)); |
| 29 | ret = read(fd, buf, sizeof(buf) - 1); |
| 30 | close(fd); |
| 31 | if (ret < 0) |
| 32 | return -1; |
| 33 | |
| 34 | if (sscanf(buf, "%d", &checkreqprot) != 1) |
| 35 | return -1; |
| 36 | |
| 37 | return checkreqprot; |
| 38 | } |
| 39 | |
| 40 | hidden_def(security_get_checkreqprot); |