[deliverable/linux.git] / include / linux / lsm_audit.h

/*
 * Common LSM logging functions
 * Heavily borrowed from selinux/avc.h
 *
 * Author : Etienne BASSET  <etienne.basset@ensta.org>
 *
 * All credits to : Stephen Smalley, <sds@epoch.ncsc.mil>
 * All BUGS to : Etienne BASSET  <etienne.basset@ensta.org>
 */
#ifndef _LSM_COMMON_LOGGING_
#define _LSM_COMMON_LOGGING_

#include <linux/stddef.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/kdev_t.h>
#include <linux/spinlock.h>
#include <linux/init.h>
#include <linux/audit.h>
#include <linux/in6.h>
#include <linux/path.h>
#include <linux/key.h>
#include <linux/skbuff.h>

struct lsm_network_audit {
	int netif;
	struct sock *sk;
	u16 family;
	__be16 dport;
	__be16 sport;
	union {
		struct {
			__be32 daddr;
			__be32 saddr;
		} v4;
		struct {
			struct in6_addr daddr;
			struct in6_addr saddr;
		} v6;
	} fam;
};

struct lsm_ioctlop_audit {
	struct path path;
	u16 cmd;
};

/* Auxiliary data to use in generating the audit record. */
struct common_audit_data {
	char type;
#define LSM_AUDIT_DATA_PATH	1
#define LSM_AUDIT_DATA_NET	2
#define LSM_AUDIT_DATA_CAP	3
#define LSM_AUDIT_DATA_IPC	4
#define LSM_AUDIT_DATA_TASK	5
#define LSM_AUDIT_DATA_KEY	6
#define LSM_AUDIT_DATA_NONE	7
#define LSM_AUDIT_DATA_KMOD	8
#define LSM_AUDIT_DATA_INODE	9
#define LSM_AUDIT_DATA_DENTRY	10
#define LSM_AUDIT_DATA_IOCTL_OP	11
	union 	{
		struct path path;
		struct dentry *dentry;
		struct inode *inode;
		struct lsm_network_audit *net;
		int cap;
		int ipc_id;
		struct task_struct *tsk;
#ifdef CONFIG_KEYS
		struct {
			key_serial_t key;
			char *key_desc;
		} key_struct;
#endif
		char *kmod_name;
		struct lsm_ioctlop_audit *op;
	} u;
	/* this union contains LSM specific data */
	union {
#ifdef CONFIG_SECURITY_SMACK
		struct smack_audit_data *smack_audit_data;
#endif
#ifdef CONFIG_SECURITY_SELINUX
		struct selinux_audit_data *selinux_audit_data;
#endif
#ifdef CONFIG_SECURITY_APPARMOR
		struct apparmor_audit_data *apparmor_audit_data;
#endif
	}; /* per LSM data pointer union */
};

#define v4info fam.v4
#define v6info fam.v6

int ipv4_skb_to_auditdata(struct sk_buff *skb,
		struct common_audit_data *ad, u8 *proto);

int ipv6_skb_to_auditdata(struct sk_buff *skb,
		struct common_audit_data *ad, u8 *proto);

void common_lsm_audit(struct common_audit_data *a,
	void (*pre_audit)(struct audit_buffer *, void *),
	void (*post_audit)(struct audit_buffer *, void *));

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