| /* |
| * 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 */ |