mfd: twl6025: resolve compilation time warnings
[linux-2.6.git] / include / linux / lsm_audit.h
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 #include <asm/system.h>
25
26
27 /* Auxiliary data to use in generating the audit record. */
28 struct common_audit_data {
29         char type;
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;
41         union   {
42                 struct path path;
43                 struct dentry *dentry;
44                 struct inode *inode;
45                 struct {
46                         int netif;
47                         struct sock *sk;
48                         u16 family;
49                         __be16 dport;
50                         __be16 sport;
51                         union {
52                                 struct {
53                                         __be32 daddr;
54                                         __be32 saddr;
55                                 } v4;
56                                 struct {
57                                         struct in6_addr daddr;
58                                         struct in6_addr saddr;
59                                 } v6;
60                         } fam;
61                 } net;
62                 int cap;
63                 int ipc_id;
64                 struct task_struct *tsk;
65 #ifdef CONFIG_KEYS
66                 struct {
67                         key_serial_t key;
68                         char *key_desc;
69                 } key_struct;
70 #endif
71                 char *kmod_name;
72         } u;
73         /* this union contains LSM specific data */
74         union {
75 #ifdef CONFIG_SECURITY_SMACK
76                 /* SMACK data */
77                 struct smack_audit_data {
78                         const char *function;
79                         char *subject;
80                         char *object;
81                         char *request;
82                         int result;
83                 } smack_audit_data;
84 #endif
85 #ifdef CONFIG_SECURITY_SELINUX
86                 /* SELinux data */
87                 struct {
88                         u32 ssid;
89                         u32 tsid;
90                         u16 tclass;
91                         u32 requested;
92                         u32 audited;
93                         u32 denied;
94                         /*
95                          * auditdeny is a bit tricky and unintuitive.  See the
96                          * comments in avc.c for it's meaning and usage.
97                          */
98                         u32 auditdeny;
99                         struct av_decision *avd;
100                         int result;
101                 } selinux_audit_data;
102 #endif
103 #ifdef CONFIG_SECURITY_APPARMOR
104                 struct {
105                         int error;
106                         int op;
107                         int type;
108                         void *profile;
109                         const char *name;
110                         const char *info;
111                         union {
112                                 void *target;
113                                 struct {
114                                         long pos;
115                                         void *target;
116                                 } iface;
117                                 struct {
118                                         int rlim;
119                                         unsigned long max;
120                                 } rlim;
121                                 struct {
122                                         const char *target;
123                                         u32 request;
124                                         u32 denied;
125                                         uid_t ouid;
126                                 } fs;
127                         };
128                 } apparmor_audit_data;
129 #endif
130         };
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 *);
134 };
135
136 #define v4info fam.v4
137 #define v6info fam.v6
138
139 int ipv4_skb_to_auditdata(struct sk_buff *skb,
140                 struct common_audit_data *ad, u8 *proto);
141
142 int ipv6_skb_to_auditdata(struct sk_buff *skb,
143                 struct common_audit_data *ad, u8 *proto);
144
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; }
149
150 void common_lsm_audit(struct common_audit_data *a);
151
152 #endif