[mirror_ubuntu-artful-kernel.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>
#include <rdma/ib_verbs.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;
};

struct lsm_ibpkey_audit {
	u64	subnet_prefix;
	u16	pkey;
};

struct lsm_ibendport_audit {
	char	dev_name[IB_DEVICE_NAME_MAX];
	u8	port;
};

/* 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
#define LSM_AUDIT_DATA_FILE	12
#define LSM_AUDIT_DATA_IBPKEY	13
#define LSM_AUDIT_DATA_IBENDPORT 14
	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;
		struct file *file;
		struct lsm_ibpkey_audit *ibpkey;
		struct lsm_ibendport_audit *ibendport;
	} 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
6e837fb1 EB	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>
ab861dfc	24	#include <rdma/ib_verbs.h>
6e837fb1	25
48c62af6 EP	26	struct lsm_network_audit {
	27	int netif;
	28	struct sock *sk;
	29	u16 family;
	30	__be16 dport;
	31	__be16 sport;
	32	union {
	33	struct {
	34	__be32 daddr;
	35	__be32 saddr;
	36	} v4;
	37	struct {
	38	struct in6_addr daddr;
	39	struct in6_addr saddr;
	40	} v6;
	41	} fam;
	42	};
6e837fb1	43
671a2781 JVS	44	struct lsm_ioctlop_audit {
	45	struct path path;
	46	u16 cmd;
	47	};
	48
cfc4d882 DJ	49	struct lsm_ibpkey_audit {
	50	u64 subnet_prefix;
	51	u16 pkey;
	52	};
	53
ab861dfc DJ	54	struct lsm_ibendport_audit {
	55	char dev_name[IB_DEVICE_NAME_MAX];
	56	u8 port;
	57	};
	58
6e837fb1 EB	59	/* Auxiliary data to use in generating the audit record. */
6e837fb1 EB	60	struct common_audit_data {
dd8dbf2e	61	char type;
f48b7399	62	#define LSM_AUDIT_DATA_PATH 1
dd8dbf2e EP	63	#define LSM_AUDIT_DATA_NET 2
	64	#define LSM_AUDIT_DATA_CAP 3
	65	#define LSM_AUDIT_DATA_IPC 4
	66	#define LSM_AUDIT_DATA_TASK 5
	67	#define LSM_AUDIT_DATA_KEY 6
cb84aa9b	68	#define LSM_AUDIT_DATA_NONE 7
dd8dbf2e	69	#define LSM_AUDIT_DATA_KMOD 8
f48b7399	70	#define LSM_AUDIT_DATA_INODE 9
a269434d	71	#define LSM_AUDIT_DATA_DENTRY 10
671a2781	72	#define LSM_AUDIT_DATA_IOCTL_OP 11
43af5de7	73	#define LSM_AUDIT_DATA_FILE 12
cfc4d882	74	#define LSM_AUDIT_DATA_IBPKEY 13
ab861dfc	75	#define LSM_AUDIT_DATA_IBENDPORT 14
6e837fb1	76	union {
f48b7399	77	struct path path;
a269434d	78	struct dentry *dentry;
f48b7399	79	struct inode *inode;
48c62af6	80	struct lsm_network_audit *net;
6e837fb1 EB	81	int cap;
	82	int ipc_id;
	83	struct task_struct *tsk;
	84	#ifdef CONFIG_KEYS
	85	struct {
	86	key_serial_t key;
	87	char *key_desc;
	88	} key_struct;
	89	#endif
dd8dbf2e	90	char *kmod_name;
671a2781	91	struct lsm_ioctlop_audit *op;
43af5de7	92	struct file *file;
cfc4d882	93	struct lsm_ibpkey_audit *ibpkey;
ab861dfc	94	struct lsm_ibendport_audit *ibendport;
6e837fb1	95	} u;
6e837fb1 EB	96	/* this union contains LSM specific data */
6e837fb1 EB	97	union {
65c3f0a2	98	#ifdef CONFIG_SECURITY_SMACK
3b3b0e4f	99	struct smack_audit_data *smack_audit_data;
65c3f0a2 TL	100	#endif
65c3f0a2 TL	101	#ifdef CONFIG_SECURITY_SELINUX
3b3b0e4f	102	struct selinux_audit_data *selinux_audit_data;
67012e82 JJ	103	#endif
67012e82 JJ	104	#ifdef CONFIG_SECURITY_APPARMOR
3b3b0e4f	105	struct apparmor_audit_data *apparmor_audit_data;
65c3f0a2	106	#endif
3b3b0e4f	107	}; /* per LSM data pointer union */
6e837fb1 EB	108	};
	109
	110	#define v4info fam.v4
	111	#define v6info fam.v6
	112
	113	int ipv4_skb_to_auditdata(struct sk_buff *skb,
	114	struct common_audit_data ad, u8 proto);
	115
	116	int ipv6_skb_to_auditdata(struct sk_buff *skb,
	117	struct common_audit_data ad, u8 proto);
	118
b61c37f5 LT	119	void common_lsm_audit(struct common_audit_data *a,
	120	void (pre_audit)(struct audit_buffer , void *),
	121	void (post_audit)(struct audit_buffer , void *));
6e837fb1 EB	122
6e837fb1 EB	123	#endif