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>
25 struct lsm_network_audit {
37 struct in6_addr daddr;
38 struct in6_addr saddr;
43 struct lsm_ioctlop_audit {
48 /* Auxiliary data to use in generating the audit record. */
49 struct common_audit_data {
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 #define LSM_AUDIT_DATA_FILE 12
65 struct dentry *dentry;
67 struct lsm_network_audit *net;
70 struct task_struct *tsk;
78 struct lsm_ioctlop_audit *op;
81 /* this union contains LSM specific data */
83 #ifdef CONFIG_SECURITY_SMACK
84 struct smack_audit_data *smack_audit_data;
86 #ifdef CONFIG_SECURITY_SELINUX
87 struct selinux_audit_data *selinux_audit_data;
89 #ifdef CONFIG_SECURITY_APPARMOR
90 struct apparmor_audit_data *apparmor_audit_data;
92 }; /* per LSM data pointer union */
98 int ipv4_skb_to_auditdata(struct sk_buff *skb,
99 struct common_audit_data *ad, u8 *proto);
101 int ipv6_skb_to_auditdata(struct sk_buff *skb,
102 struct common_audit_data *ad, u8 *proto);
104 void common_lsm_audit(struct common_audit_data *a,
105 void (*pre_audit)(struct audit_buffer *, void *),
106 void (*post_audit)(struct audit_buffer *, void *));