diff options
Diffstat (limited to 'src/udev/libudev-selinux-private.c')
-rw-r--r-- | src/udev/libudev-selinux-private.c | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/src/udev/libudev-selinux-private.c b/src/udev/libudev-selinux-private.c deleted file mode 100644 index d68097f991..0000000000 --- a/src/udev/libudev-selinux-private.c +++ /dev/null @@ -1,109 +0,0 @@ -/* - * libudev - interface to udev device information - * - * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <stddef.h> -#include <stdarg.h> -#include <unistd.h> -#include <selinux/selinux.h> - -#include "libudev.h" -#include "libudev-private.h" - -static int selinux_enabled; -security_context_t selinux_prev_scontext; - -void udev_selinux_init(struct udev *udev) -{ - /* record the present security context */ - selinux_enabled = (is_selinux_enabled() > 0); - dbg(udev, "selinux=%i\n", selinux_enabled); - if (!selinux_enabled) - return; - matchpathcon_init_prefix(NULL, udev_get_dev_path(udev)); - if (getfscreatecon(&selinux_prev_scontext) < 0) { - err(udev, "getfscreatecon failed\n"); - selinux_prev_scontext = NULL; - } -} - -void udev_selinux_exit(struct udev *udev) -{ - if (!selinux_enabled) - return; - freecon(selinux_prev_scontext); - selinux_prev_scontext = NULL; -} - -void udev_selinux_lsetfilecon(struct udev *udev, const char *file, unsigned int mode) -{ - security_context_t scontext = NULL; - - if (!selinux_enabled) - return; - if (matchpathcon(file, mode, &scontext) < 0) { - err(udev, "matchpathcon(%s) failed\n", file); - return; - } - if (lsetfilecon(file, scontext) < 0) - err(udev, "setfilecon %s failed: %m\n", file); - freecon(scontext); -} - -void udev_selinux_setfscreatecon(struct udev *udev, const char *file, unsigned int mode) -{ - security_context_t scontext = NULL; - - if (!selinux_enabled) - return; - - if (matchpathcon(file, mode, &scontext) < 0) { - err(udev, "matchpathcon(%s) failed\n", file); - return; - } - if (setfscreatecon(scontext) < 0) - err(udev, "setfscreatecon %s failed: %m\n", file); - freecon(scontext); -} - -void udev_selinux_resetfscreatecon(struct udev *udev) -{ - if (!selinux_enabled) - return; - 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); -} |