/* SPDX-License-Identifier: GPL-2.0-only *//* * AppArmor security module * * This file contains AppArmor network mediation definitions. * * Copyright (C) 1998-2008 Novell/SUSE * Copyright 2009-2017 Canonical Ltd. */ #ifndef __AA_NET_H#define __AA_NET_H #include <net/sock.h>#include <linux/path.h> #include "apparmorfs.h"#include "label.h"#include "perms.h"#include "policy.h" #define AA_MAY_SEND		AA_MAY_WRITE#define AA_MAY_RECEIVE		AA_MAY_READ #define AA_MAY_SHUTDOWN		AA_MAY_DELETE #define AA_MAY_CONNECT		AA_MAY_OPEN#define AA_MAY_ACCEPT		0x00100000 #define AA_MAY_BIND		0x00200000#define AA_MAY_LISTEN		0x00400000 #define AA_MAY_SETOPT		0x01000000#define AA_MAY_GETOPT		0x02000000 #define NET_PERMS_MASK (AA_MAY_SEND | AA_MAY_RECEIVE | AA_MAY_CREATE |    \			AA_MAY_SHUTDOWN | AA_MAY_BIND | AA_MAY_LISTEN |	  \			AA_MAY_CONNECT | AA_MAY_ACCEPT | AA_MAY_SETATTR | \			AA_MAY_GETATTR | AA_MAY_SETOPT | AA_MAY_GETOPT) #define NET_FS_PERMS (AA_MAY_SEND | AA_MAY_RECEIVE | AA_MAY_CREATE |	\		      AA_MAY_SHUTDOWN | AA_MAY_CONNECT | AA_MAY_RENAME |\		      AA_MAY_SETATTR | AA_MAY_GETATTR | AA_MAY_CHMOD |	\		      AA_MAY_CHOWN | AA_MAY_CHGRP | AA_MAY_LOCK |	\		      AA_MAY_MPROT) #define NET_PEER_MASK (AA_MAY_SEND | AA_MAY_RECEIVE | AA_MAY_CONNECT |	\		       AA_MAY_ACCEPT)struct aa_sk_ctx {	struct aa_label *label;	struct aa_label *peer;}; #define SK_CTX(X) ((X)->sk_security)#define SOCK_ctx(X) SOCK_INODE(X)->i_security#define DEFINE_AUDIT_NET(NAME, OP, SK, F, T, P)				  \	struct lsm_network_audit NAME ## _net = { .sk = (SK),		  \						  .family = (F)};	  \	DEFINE_AUDIT_DATA(NAME,						  \			  ((SK) && (F) != AF_UNIX) ? LSM_AUDIT_DATA_NET : \						     LSM_AUDIT_DATA_NONE, \			  OP);						  \	NAME.u.net = &(NAME ## _net);					  \	aad(&NAME)->net.type = (T);					  \	aad(&NAME)->net.protocol = (P) #define DEFINE_AUDIT_SK(NAME, OP, SK)					\	DEFINE_AUDIT_NET(NAME, OP, SK, (SK)->sk_family, (SK)->sk_type,	\			 (SK)->sk_protocol)  #define af_select(FAMILY, FN, DEF_FN)		\({						\	int __e;				\	switch ((FAMILY)) {			\	default:				\		__e = DEF_FN;			\	}					\	__e;					\}) struct aa_secmark {	u8 audit;	u8 deny;	u32 secid;	char *label;}; extern struct aa_sfs_entry aa_sfs_entry_network[]; void audit_net_cb(struct audit_buffer *ab, void *va);int aa_profile_af_perm(struct aa_profile *profile, struct common_audit_data *sa,		       u32 request, u16 family, int type);int aa_af_perm(struct aa_label *label, const char *op, u32 request, u16 family,	       int type, int protocol);static inline int aa_profile_af_sk_perm(struct aa_profile *profile,					struct common_audit_data *sa,					u32 request,					struct sock *sk){	return aa_profile_af_perm(profile, sa, request, sk->sk_family,				  sk->sk_type);}int aa_sk_perm(const char *op, u32 request, struct sock *sk); int aa_sock_file_perm(struct aa_label *label, const char *op, u32 request,		      struct socket *sock); int apparmor_secmark_check(struct aa_label *label, char *op, u32 request,			   u32 secid, struct sock *sk); #endif /* __AA_NET_H */