LXR linux/security/selinux/include/netlabel.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * SELinux interface to the NetLabel subsystem
   4 *
   5 * Author: Paul Moore <paul@paul-moore.com>
   6 */
   7
   8/*
   9 * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
  10 */
  11
  12#ifndef _SELINUX_NETLABEL_H_
  13#define _SELINUX_NETLABEL_H_
  14
  15#include <linux/types.h>
  16#include <linux/fs.h>
  17#include <linux/net.h>
  18#include <linux/skbuff.h>
  19#include <net/sock.h>
  20#include <net/request_sock.h>
  21#include <net/sctp/structs.h>
  22
  23#include "avc.h"
  24#include "objsec.h"
  25
  26#ifdef CONFIG_NETLABEL
  27void selinux_netlbl_cache_invalidate(void);
  28
  29void selinux_netlbl_err(struct sk_buff *skb, u16 family, int error,
  30                        int gateway);
  31
  32void selinux_netlbl_sk_security_free(struct sk_security_struct *sksec);
  33void selinux_netlbl_sk_security_reset(struct sk_security_struct *sksec);
  34
  35int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
  36                                 u16 family,
  37                                 u32 *type,
  38                                 u32 *sid);
  39int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
  40                                 u16 family,
  41                                 u32 sid);
  42int selinux_netlbl_sctp_assoc_request(struct sctp_endpoint *ep,
  43                                     struct sk_buff *skb);
  44int selinux_netlbl_inet_conn_request(struct request_sock *req, u16 family);
  45void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family);
  46void selinux_netlbl_sctp_sk_clone(struct sock *sk, struct sock *newsk);
  47int selinux_netlbl_socket_post_create(struct sock *sk, u16 family);
  48int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
  49                                struct sk_buff *skb,
  50                                u16 family,
  51                                struct common_audit_data *ad);
  52int selinux_netlbl_socket_setsockopt(struct socket *sock,
  53                                     int level,
  54                                     int optname);
  55int selinux_netlbl_socket_connect(struct sock *sk, struct sockaddr *addr);
  56int selinux_netlbl_socket_connect_locked(struct sock *sk,
  57                                         struct sockaddr *addr);
  58
  59#else
  60static inline void selinux_netlbl_cache_invalidate(void)
  61{
  62        return;
  63}
  64
  65static inline void selinux_netlbl_err(struct sk_buff *skb,
  66                                      u16 family,
  67                                      int error,
  68                                      int gateway)
  69{
  70        return;
  71}
  72
  73static inline void selinux_netlbl_sk_security_free(
  74                                               struct sk_security_struct *sksec)
  75{
  76        return;
  77}
  78
  79static inline void selinux_netlbl_sk_security_reset(
  80                                               struct sk_security_struct *sksec)
  81{
  82        return;
  83}
  84
  85static inline int selinux_netlbl_skbuff_getsid(struct sk_buff *skb,
  86                                               u16 family,
  87                                               u32 *type,
  88                                               u32 *sid)
  89{
  90        *type = NETLBL_NLTYPE_NONE;
  91        *sid = SECSID_NULL;
  92        return 0;
  93}
  94static inline int selinux_netlbl_skbuff_setsid(struct sk_buff *skb,
  95                                               u16 family,
  96                                               u32 sid)
  97{
  98        return 0;
  99}
 100
 101static inline int selinux_netlbl_sctp_assoc_request(struct sctp_endpoint *ep,
 102                                                    struct sk_buff *skb)
 103{
 104        return 0;
 105}
 106static inline int selinux_netlbl_inet_conn_request(struct request_sock *req,
 107                                                   u16 family)
 108{
 109        return 0;
 110}
 111static inline void selinux_netlbl_inet_csk_clone(struct sock *sk, u16 family)
 112{
 113        return;
 114}
 115static inline void selinux_netlbl_sctp_sk_clone(struct sock *sk,
 116                                                struct sock *newsk)
 117{
 118        return;
 119}
 120static inline int selinux_netlbl_socket_post_create(struct sock *sk,
 121                                                    u16 family)
 122{
 123        return 0;
 124}
 125static inline int selinux_netlbl_sock_rcv_skb(struct sk_security_struct *sksec,
 126                                              struct sk_buff *skb,
 127                                              u16 family,
 128                                              struct common_audit_data *ad)
 129{
 130        return 0;
 131}
 132static inline int selinux_netlbl_socket_setsockopt(struct socket *sock,
 133                                                   int level,
 134                                                   int optname)
 135{
 136        return 0;
 137}
 138static inline int selinux_netlbl_socket_connect(struct sock *sk,
 139                                                struct sockaddr *addr)
 140{
 141        return 0;
 142}
 143static inline int selinux_netlbl_socket_connect_locked(struct sock *sk,
 144                                                       struct sockaddr *addr)
 145{
 146        return 0;
 147}
 148#endif /* CONFIG_NETLABEL */
 149
 150#endif
 151