2 * Common LSM logging functions
3 * Heavily borrowed from selinux/avc.h
5 * Author : Etienne BASSET <etienne.basset@ensta.org>
7 * All credits to : Stephen Smalley, <sds@epoch.ncsc.mil>
8 * All BUGS to : Etienne BASSET <etienne.basset@ensta.org>
10 #ifndef _LSM_COMMON_LOGGING_
11 #define _LSM_COMMON_LOGGING_
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 #include <asm/system.h>
27 /* Auxiliary data to use in generating the audit record. */
28 struct common_audit_data
{
30 #define LSM_AUDIT_DATA_PATH 1
31 #define LSM_AUDIT_DATA_NET 2
32 #define LSM_AUDIT_DATA_CAP 3
33 #define LSM_AUDIT_DATA_IPC 4
34 #define LSM_AUDIT_DATA_TASK 5
35 #define LSM_AUDIT_DATA_KEY 6
36 #define LSM_AUDIT_DATA_NONE 7
37 #define LSM_AUDIT_DATA_KMOD 8
38 #define LSM_AUDIT_DATA_INODE 9
39 #define LSM_AUDIT_DATA_DENTRY 10
40 struct task_struct
*tsk
;
43 struct dentry
*dentry
;
57 struct in6_addr daddr
;
58 struct in6_addr saddr
;
64 struct task_struct
*tsk
;
73 /* this union contains LSM specific data */
75 #ifdef CONFIG_SECURITY_SMACK
77 struct smack_audit_data
{
85 #ifdef CONFIG_SECURITY_SELINUX
95 * auditdeny is a bit tricky and unintuitive. See the
96 * comments in avc.c for it's meaning and usage.
99 struct av_decision
*avd
;
101 } selinux_audit_data
;
103 #ifdef CONFIG_SECURITY_APPARMOR
128 } apparmor_audit_data
;
131 /* these callback will be implemented by a specific LSM */
132 void (*lsm_pre_audit
)(struct audit_buffer
*, void *);
133 void (*lsm_post_audit
)(struct audit_buffer
*, void *);
136 #define v4info fam.v4
137 #define v6info fam.v6
139 int ipv4_skb_to_auditdata(struct sk_buff
*skb
,
140 struct common_audit_data
*ad
, u8
*proto
);
142 int ipv6_skb_to_auditdata(struct sk_buff
*skb
,
143 struct common_audit_data
*ad
, u8
*proto
);
145 /* Initialize an LSM audit data structure. */
146 #define COMMON_AUDIT_DATA_INIT(_d, _t) \
147 { memset((_d), 0, sizeof(struct common_audit_data)); \
148 (_d)->type = LSM_AUDIT_DATA_##_t; }
150 void common_lsm_audit(struct common_audit_data
*a
);
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