security/landlock/net.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Landlock LSM - Network management and hooks
   4  *
   5  * Copyright © 2022-2023 Huawei Tech. Co., Ltd.
   6  */
   7
   8 #ifndef _SECURITY_LANDLOCK_NET_H
   9 #define _SECURITY_LANDLOCK_NET_H
  10
  11 #include "common.h"
  12 #include "ruleset.h"
  13 #include "setup.h"
  14
  15 #if IS_ENABLED(CONFIG_INET)
  16 __init void landlock_add_net_hooks(void);
  17
  18 int landlock_append_net_rule(struct landlock_ruleset *const ruleset,
  19                              const u16 port, access_mask_t access_rights);
  20 #else /* IS_ENABLED(CONFIG_INET) */
  21 static inline void landlock_add_net_hooks(void)
  22 {
  23 }
  24
  25 static inline int
  26 landlock_append_net_rule(struct landlock_ruleset *const ruleset, const u16 port,
  27                          access_mask_t access_rights)
  28 {
  29         return -EAFNOSUPPORT;
  30 }
  31 #endif /* IS_ENABLED(CONFIG_INET) */
  32
  33 #endif /* _SECURITY_LANDLOCK_NET_H */