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/*
* AppArmor security module
*
* This file contains AppArmor network mediation definitions.
*
* Copyright (C) 1998-2008 Novell/SUSE
* Copyright 2009-2014 Canonical Ltd.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, version 2 of the
* License.
*/
#ifndef __AA_NET_H
#define __AA_NET_H
#include <net/sock.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_cxt {
struct aa_label *label;
struct aa_label *peer;
};
#define SK_CXT(X) (X)->sk_security
#define SOCK_CXT(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) ? LSM_AUDIT_DATA_NET : LSM_AUDIT_DATA_NONE,\
OP); \
NAME.u.net = &(NAME ## _net); \
aad(&NAME)->net.type = (T); \
aad(&NAME)->net.protocol = (P)
/* struct aa_net - network confinement data
* @allowed: basic network families permissions
* @audit_network: which network permissions to force audit
* @quiet_network: which network permissions to quiet rejects
*/
struct aa_net {
u16 allow[AF_MAX];
u16 audit[AF_MAX];
u16 quiet[AF_MAX];
};
extern struct aa_fs_entry aa_fs_entry_network[];
void audit_net_cb(struct audit_buffer *ab, void *va);
int aa_profile_af_perm(struct aa_profile *profile, int op, u16 family,
int type, int protocol, struct sock *sk);
int aa_af_perm(struct aa_label *label, int op, u32 request, u16 family,
int type, int protocol, struct sock *sk);
int aa_sock_perm(int op, u32 request, struct socket *sock);
int aa_sock_create_perm(struct aa_label *label, int family, int type,
int protocol);
int aa_sock_bind_perm(struct socket *sock, struct sockaddr *address,
int addrlen);
int aa_sock_connect_perm(struct socket *sock, struct sockaddr *address,
int addrlen);
int aa_sock_listen_perm(struct socket *sock, int backlog);
int aa_sock_accept_perm(struct socket *sock, struct socket *newsock);
int aa_sock_msg_perm(int op, u32 request, struct socket *sock,
struct msghdr *msg, int size);
int aa_sock_opt_perm(int op, u32 request, struct socket *sock, int level,
int optname);
int aa_sock_file_perm(struct aa_label *label, int op, u32 request,
struct socket *sock);
static inline void aa_free_net_rules(struct aa_net *new)
{
/* NOP */
}
#endif /* __AA_NET_H */