Commit | Line | Data |
---|---|---|
b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
6e837fb1 EB |
2 | /* |
3 | * Common LSM logging functions | |
4 | * Heavily borrowed from selinux/avc.h | |
5 | * | |
6 | * Author : Etienne BASSET <etienne.basset@ensta.org> | |
7 | * | |
5d728015 | 8 | * All credits to : Stephen Smalley, <sds@tycho.nsa.gov> |
6e837fb1 EB |
9 | * All BUGS to : Etienne BASSET <etienne.basset@ensta.org> |
10 | */ | |
11 | #ifndef _LSM_COMMON_LOGGING_ | |
12 | #define _LSM_COMMON_LOGGING_ | |
13 | ||
14 | #include <linux/stddef.h> | |
15 | #include <linux/errno.h> | |
16 | #include <linux/kernel.h> | |
17 | #include <linux/kdev_t.h> | |
18 | #include <linux/spinlock.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/audit.h> | |
21 | #include <linux/in6.h> | |
22 | #include <linux/path.h> | |
23 | #include <linux/key.h> | |
24 | #include <linux/skbuff.h> | |
ab861dfc | 25 | #include <rdma/ib_verbs.h> |
6e837fb1 | 26 | |
48c62af6 EP |
27 | struct lsm_network_audit { |
28 | int netif; | |
29 | struct sock *sk; | |
30 | u16 family; | |
31 | __be16 dport; | |
32 | __be16 sport; | |
33 | union { | |
34 | struct { | |
35 | __be32 daddr; | |
36 | __be32 saddr; | |
37 | } v4; | |
38 | struct { | |
39 | struct in6_addr daddr; | |
40 | struct in6_addr saddr; | |
41 | } v6; | |
42 | } fam; | |
43 | }; | |
6e837fb1 | 44 | |
671a2781 JVS |
45 | struct lsm_ioctlop_audit { |
46 | struct path path; | |
47 | u16 cmd; | |
48 | }; | |
49 | ||
cfc4d882 DJ |
50 | struct lsm_ibpkey_audit { |
51 | u64 subnet_prefix; | |
52 | u16 pkey; | |
53 | }; | |
54 | ||
ab861dfc DJ |
55 | struct lsm_ibendport_audit { |
56 | char dev_name[IB_DEVICE_NAME_MAX]; | |
57 | u8 port; | |
58 | }; | |
59 | ||
6e837fb1 EB |
60 | /* Auxiliary data to use in generating the audit record. */ |
61 | struct common_audit_data { | |
dd8dbf2e | 62 | char type; |
f48b7399 | 63 | #define LSM_AUDIT_DATA_PATH 1 |
dd8dbf2e EP |
64 | #define LSM_AUDIT_DATA_NET 2 |
65 | #define LSM_AUDIT_DATA_CAP 3 | |
66 | #define LSM_AUDIT_DATA_IPC 4 | |
67 | #define LSM_AUDIT_DATA_TASK 5 | |
68 | #define LSM_AUDIT_DATA_KEY 6 | |
cb84aa9b | 69 | #define LSM_AUDIT_DATA_NONE 7 |
dd8dbf2e | 70 | #define LSM_AUDIT_DATA_KMOD 8 |
f48b7399 | 71 | #define LSM_AUDIT_DATA_INODE 9 |
a269434d | 72 | #define LSM_AUDIT_DATA_DENTRY 10 |
671a2781 | 73 | #define LSM_AUDIT_DATA_IOCTL_OP 11 |
43af5de7 | 74 | #define LSM_AUDIT_DATA_FILE 12 |
cfc4d882 | 75 | #define LSM_AUDIT_DATA_IBPKEY 13 |
ab861dfc | 76 | #define LSM_AUDIT_DATA_IBENDPORT 14 |
6e837fb1 | 77 | union { |
f48b7399 | 78 | struct path path; |
a269434d | 79 | struct dentry *dentry; |
f48b7399 | 80 | struct inode *inode; |
48c62af6 | 81 | struct lsm_network_audit *net; |
6e837fb1 EB |
82 | int cap; |
83 | int ipc_id; | |
84 | struct task_struct *tsk; | |
85 | #ifdef CONFIG_KEYS | |
86 | struct { | |
87 | key_serial_t key; | |
88 | char *key_desc; | |
89 | } key_struct; | |
90 | #endif | |
dd8dbf2e | 91 | char *kmod_name; |
671a2781 | 92 | struct lsm_ioctlop_audit *op; |
43af5de7 | 93 | struct file *file; |
cfc4d882 | 94 | struct lsm_ibpkey_audit *ibpkey; |
ab861dfc | 95 | struct lsm_ibendport_audit *ibendport; |
6e837fb1 | 96 | } u; |
6e837fb1 EB |
97 | /* this union contains LSM specific data */ |
98 | union { | |
65c3f0a2 | 99 | #ifdef CONFIG_SECURITY_SMACK |
3b3b0e4f | 100 | struct smack_audit_data *smack_audit_data; |
65c3f0a2 TL |
101 | #endif |
102 | #ifdef CONFIG_SECURITY_SELINUX | |
3b3b0e4f | 103 | struct selinux_audit_data *selinux_audit_data; |
67012e82 JJ |
104 | #endif |
105 | #ifdef CONFIG_SECURITY_APPARMOR | |
3b3b0e4f | 106 | struct apparmor_audit_data *apparmor_audit_data; |
65c3f0a2 | 107 | #endif |
3b3b0e4f | 108 | }; /* per LSM data pointer union */ |
6e837fb1 EB |
109 | }; |
110 | ||
111 | #define v4info fam.v4 | |
112 | #define v6info fam.v6 | |
113 | ||
114 | int ipv4_skb_to_auditdata(struct sk_buff *skb, | |
115 | struct common_audit_data *ad, u8 *proto); | |
116 | ||
117 | int ipv6_skb_to_auditdata(struct sk_buff *skb, | |
118 | struct common_audit_data *ad, u8 *proto); | |
119 | ||
b61c37f5 LT |
120 | void common_lsm_audit(struct common_audit_data *a, |
121 | void (*pre_audit)(struct audit_buffer *, void *), | |
122 | void (*post_audit)(struct audit_buffer *, void *)); | |
6e837fb1 EB |
123 | |
124 | #endif |