src/basic/smack-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 /***
   5   Copyright © 2013 Intel Corporation
   6
   7   Author: Auke Kok <auke-jan.h.kok@intel.com>
   8 ***/
   9
  10 #include <stdbool.h>
  11 #include <sys/types.h>
  12
  13 #include "label.h"
  14 #include "macro.h"
  15
  16 #define SMACK_FLOOR_LABEL "_"
  17 #define SMACK_STAR_LABEL  "*"
  18
  19 typedef enum SmackAttr {
  20         SMACK_ATTR_ACCESS,
  21         SMACK_ATTR_EXEC,
  22         SMACK_ATTR_MMAP,
  23         SMACK_ATTR_TRANSMUTE,
  24         SMACK_ATTR_IPIN,
  25         SMACK_ATTR_IPOUT,
  26         _SMACK_ATTR_MAX,
  27         _SMACK_ATTR_INVALID = -EINVAL,
  28 } SmackAttr;
  29
  30 bool mac_smack_use(void);
  31
  32 int mac_smack_fix_container(const char *path, const char *inside_path, LabelFixFlags flags);
  33 static inline int mac_smack_fix(const char *path, LabelFixFlags flags) {
  34         return mac_smack_fix_container(path, path, flags);
  35 }
  36
  37 int mac_smack_fix_at(int dirfd, const char *path, LabelFixFlags flags);
  38
  39 const char* smack_attr_to_string(SmackAttr i) _const_;
  40 SmackAttr smack_attr_from_string(const char *s) _pure_;
  41 int mac_smack_read(const char *path, SmackAttr attr, char **label);
  42 int mac_smack_read_fd(int fd, SmackAttr attr, char **label);
  43 int mac_smack_apply(const char *path, SmackAttr attr, const char *label);
  44 int mac_smack_apply_fd(int fd, SmackAttr attr, const char *label);
  45 int mac_smack_apply_pid(pid_t pid, const char *label);
  46 int mac_smack_copy(const char *dest, const char *src);