static inline void udev_selinux_exit(struct udev *udev) {}
static inline void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode) {}
static inline void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode) {}
-static inline void udev_selinux_setfscreateconat(struct udev *udev, int dfd, const char *file, unsigned int mode) {}
static inline void udev_selinux_resetfscreatecon(struct udev *udev) {}
#else
void udev_selinux_init(struct udev *udev);
void udev_selinux_exit(struct udev *udev);
void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode);
void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode);
-void udev_selinux_setfscreateconat(struct udev *udev, int dfd, const char *file, unsigned int mode);
void udev_selinux_resetfscreatecon(struct udev *udev);
#endif
if (setfscreatecon(selinux_prev_scontext) < 0)
err(udev, "setfscreatecon failed: %m\n");
}
-
-void udev_selinux_setfscreateconat(struct udev *udev, int dfd, const char *file, unsigned int mode)
-{
- char filename[UTIL_PATH_SIZE];
-
- if (!selinux_enabled)
- return;
-
- /* resolve relative filename */
- if (file[0] != '/') {
- char procfd[UTIL_PATH_SIZE];
- char target[UTIL_PATH_SIZE];
- ssize_t len;
-
- snprintf(procfd, sizeof(procfd), "/proc/%u/fd/%u", getpid(), dfd);
- len = readlink(procfd, target, sizeof(target));
- if (len <= 0 || len == sizeof(target))
- return;
- target[len] = '\0';
-
- util_strscpyl(filename, sizeof(filename), target, "/", file, NULL);
- file = filename;
- }
- udev_selinux_setfscreatecon(udev, file, mode);
-}
/* needed for standalone udev operations */
static void static_dev_create_links(struct udev *udev)
{
- DIR *dir;
struct stdlinks {
const char *link;
const char *target;
};
static const struct stdlinks stdlinks[] = {
- { "core", "/proc/kcore" },
- { "fd", "/proc/self/fd" },
- { "stdin", "/proc/self/fd/0" },
- { "stdout", "/proc/self/fd/1" },
- { "stderr", "/proc/self/fd/2" },
+ { "/dev/core", "/proc/kcore" },
+ { "/dev/fd", "/proc/self/fd" },
+ { "/dev/stdin", "/proc/self/fd/0" },
+ { "/dev/stdout", "/proc/self/fd/1" },
+ { "/dev/stderr", "/proc/self/fd/2" },
};
unsigned int i;
- dir = opendir("/dev");
- if (dir == NULL)
- return;
-
for (i = 0; i < ELEMENTSOF(stdlinks); i++) {
struct stat sb;
if (stat(stdlinks[i].target, &sb) == 0) {
- udev_selinux_setfscreateconat(udev, dirfd(dir), stdlinks[i].link, S_IFLNK);
- if (symlinkat(stdlinks[i].target, dirfd(dir), stdlinks[i].link) < 0 && errno == EEXIST)
- utimensat(dirfd(dir), stdlinks[i].link, NULL, AT_SYMLINK_NOFOLLOW);
+ udev_selinux_setfscreatecon(udev, stdlinks[i].link, S_IFLNK);
+ if (symlink(stdlinks[i].target, stdlinks[i].link) < 0 && errno == EEXIST)
+ utimensat(AT_FDCWD, stdlinks[i].link, NULL, AT_SYMLINK_NOFOLLOW);
udev_selinux_resetfscreatecon(udev);
}
}
-
- closedir(dir);
}
static int mem_size_mb(void)