blob: ffb9c9da4f39f8779a55bc832b3f6657e45f23ac (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/*
* 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
|
