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