cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

lsm_audit.h (2934B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2/*
      3 * Common LSM logging functions
      4 * Heavily borrowed from selinux/avc.h
      5 *
      6 * Author : Etienne BASSET  <etienne.basset@ensta.org>
      7 *
      8 * All credits to : Stephen Smalley, <sds@tycho.nsa.gov>
      9 * All BUGS to : Etienne BASSET  <etienne.basset@ensta.org>
     10 */
     11#ifndef _LSM_COMMON_LOGGING_
     12#define _LSM_COMMON_LOGGING_
     13
     14#include <linux/stddef.h>
     15#include <linux/errno.h>
     16#include <linux/kernel.h>
     17#include <linux/kdev_t.h>
     18#include <linux/spinlock.h>
     19#include <linux/init.h>
     20#include <linux/audit.h>
     21#include <linux/in6.h>
     22#include <linux/path.h>
     23#include <linux/key.h>
     24#include <linux/skbuff.h>
     25#include <rdma/ib_verbs.h>
     26
     27struct lsm_network_audit {
     28	int netif;
     29	const struct sock *sk;
     30	u16 family;
     31	__be16 dport;
     32	__be16 sport;
     33	union {
     34		struct {
     35			__be32 daddr;
     36			__be32 saddr;
     37		} v4;
     38		struct {
     39			struct in6_addr daddr;
     40			struct in6_addr saddr;
     41		} v6;
     42	} fam;
     43};
     44
     45struct lsm_ioctlop_audit {
     46	struct path path;
     47	u16 cmd;
     48};
     49
     50struct lsm_ibpkey_audit {
     51	u64 subnet_prefix;
     52	u16 pkey;
     53};
     54
     55struct lsm_ibendport_audit {
     56	const char *dev_name;
     57	u8 port;
     58};
     59
     60/* Auxiliary data to use in generating the audit record. */
     61struct common_audit_data {
     62	char type;
     63#define LSM_AUDIT_DATA_PATH	1
     64#define LSM_AUDIT_DATA_NET	2
     65#define LSM_AUDIT_DATA_CAP	3
     66#define LSM_AUDIT_DATA_IPC	4
     67#define LSM_AUDIT_DATA_TASK	5
     68#define LSM_AUDIT_DATA_KEY	6
     69#define LSM_AUDIT_DATA_NONE	7
     70#define LSM_AUDIT_DATA_KMOD	8
     71#define LSM_AUDIT_DATA_INODE	9
     72#define LSM_AUDIT_DATA_DENTRY	10
     73#define LSM_AUDIT_DATA_IOCTL_OP	11
     74#define LSM_AUDIT_DATA_FILE	12
     75#define LSM_AUDIT_DATA_IBPKEY	13
     76#define LSM_AUDIT_DATA_IBENDPORT 14
     77#define LSM_AUDIT_DATA_LOCKDOWN 15
     78#define LSM_AUDIT_DATA_NOTIFICATION 16
     79#define LSM_AUDIT_DATA_ANONINODE	17
     80	union 	{
     81		struct path path;
     82		struct dentry *dentry;
     83		struct inode *inode;
     84		struct lsm_network_audit *net;
     85		int cap;
     86		int ipc_id;
     87		struct task_struct *tsk;
     88#ifdef CONFIG_KEYS
     89		struct {
     90			key_serial_t key;
     91			char *key_desc;
     92		} key_struct;
     93#endif
     94		char *kmod_name;
     95		struct lsm_ioctlop_audit *op;
     96		struct file *file;
     97		struct lsm_ibpkey_audit *ibpkey;
     98		struct lsm_ibendport_audit *ibendport;
     99		int reason;
    100		const char *anonclass;
    101	} u;
    102	/* this union contains LSM specific data */
    103	union {
    104#ifdef CONFIG_SECURITY_SMACK
    105		struct smack_audit_data *smack_audit_data;
    106#endif
    107#ifdef CONFIG_SECURITY_SELINUX
    108		struct selinux_audit_data *selinux_audit_data;
    109#endif
    110#ifdef CONFIG_SECURITY_APPARMOR
    111		struct apparmor_audit_data *apparmor_audit_data;
    112#endif
    113	}; /* per LSM data pointer union */
    114};
    115
    116#define v4info fam.v4
    117#define v6info fam.v6
    118
    119int ipv4_skb_to_auditdata(struct sk_buff *skb,
    120		struct common_audit_data *ad, u8 *proto);
    121
    122int ipv6_skb_to_auditdata(struct sk_buff *skb,
    123		struct common_audit_data *ad, u8 *proto);
    124
    125void common_lsm_audit(struct common_audit_data *a,
    126	void (*pre_audit)(struct audit_buffer *, void *),
    127	void (*post_audit)(struct audit_buffer *, void *));
    128
    129#endif