^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * AppArmor security module
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * This file contains AppArmor network mediation definitions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 1998-2008 Novell/SUSE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Copyright 2009-2017 Canonical Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #ifndef __AA_NET_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define __AA_NET_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <net/sock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/path.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "apparmorfs.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include "label.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include "perms.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include "policy.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define AA_MAY_SEND AA_MAY_WRITE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define AA_MAY_RECEIVE AA_MAY_READ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define AA_MAY_SHUTDOWN AA_MAY_DELETE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define AA_MAY_CONNECT AA_MAY_OPEN
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define AA_MAY_ACCEPT 0x00100000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #define AA_MAY_BIND 0x00200000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #define AA_MAY_LISTEN 0x00400000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define AA_MAY_SETOPT 0x01000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define AA_MAY_GETOPT 0x02000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define NET_PERMS_MASK (AA_MAY_SEND | AA_MAY_RECEIVE | AA_MAY_CREATE | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) AA_MAY_SHUTDOWN | AA_MAY_BIND | AA_MAY_LISTEN | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) AA_MAY_CONNECT | AA_MAY_ACCEPT | AA_MAY_SETATTR | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) AA_MAY_GETATTR | AA_MAY_SETOPT | AA_MAY_GETOPT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) #define NET_FS_PERMS (AA_MAY_SEND | AA_MAY_RECEIVE | AA_MAY_CREATE | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) AA_MAY_SHUTDOWN | AA_MAY_CONNECT | AA_MAY_RENAME |\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) AA_MAY_SETATTR | AA_MAY_GETATTR | AA_MAY_CHMOD | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) AA_MAY_CHOWN | AA_MAY_CHGRP | AA_MAY_LOCK | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) AA_MAY_MPROT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define NET_PEER_MASK (AA_MAY_SEND | AA_MAY_RECEIVE | AA_MAY_CONNECT | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) AA_MAY_ACCEPT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) struct aa_sk_ctx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct aa_label *label;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct aa_label *peer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define SK_CTX(X) ((X)->sk_security)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define SOCK_ctx(X) SOCK_INODE(X)->i_security
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define DEFINE_AUDIT_NET(NAME, OP, SK, F, T, P) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) struct lsm_network_audit NAME ## _net = { .sk = (SK), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .family = (F)}; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) DEFINE_AUDIT_DATA(NAME, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) ((SK) && (F) != AF_UNIX) ? LSM_AUDIT_DATA_NET : \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) LSM_AUDIT_DATA_NONE, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) OP); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) NAME.u.net = &(NAME ## _net); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) aad(&NAME)->net.type = (T); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) aad(&NAME)->net.protocol = (P)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #define DEFINE_AUDIT_SK(NAME, OP, SK) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) DEFINE_AUDIT_NET(NAME, OP, SK, (SK)->sk_family, (SK)->sk_type, \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) (SK)->sk_protocol)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define af_select(FAMILY, FN, DEF_FN) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) ({ \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) int __e; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) switch ((FAMILY)) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) default: \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) __e = DEF_FN; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) __e; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) })
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct aa_secmark {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) u8 audit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) u8 deny;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) u32 secid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) char *label;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) extern struct aa_sfs_entry aa_sfs_entry_network[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) void audit_net_cb(struct audit_buffer *ab, void *va);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) int aa_profile_af_perm(struct aa_profile *profile, struct common_audit_data *sa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) u32 request, u16 family, int type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) int aa_af_perm(struct aa_label *label, const char *op, u32 request, u16 family,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) int type, int protocol);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) static inline int aa_profile_af_sk_perm(struct aa_profile *profile,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) struct common_audit_data *sa,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) u32 request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) struct sock *sk)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) return aa_profile_af_perm(profile, sa, request, sk->sk_family,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) sk->sk_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) int aa_sk_perm(const char *op, u32 request, struct sock *sk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) int aa_sock_file_perm(struct aa_label *label, const char *op, u32 request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct socket *sock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) int apparmor_secmark_check(struct aa_label *label, char *op, u32 request,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) u32 secid, struct sock *sk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #endif /* __AA_NET_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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