diff options
Diffstat (limited to 'include/linux/lsm_audit.h')
| -rw-r--r-- | include/linux/lsm_audit.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/include/linux/lsm_audit.h b/include/linux/lsm_audit.h new file mode 100644 index 000000000000..e461b2c3d711 --- /dev/null +++ b/include/linux/lsm_audit.h | |||
| @@ -0,0 +1,111 @@ | |||
| 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_FS 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 | struct task_struct *tsk; | ||
| 37 | union { | ||
| 38 | struct { | ||
| 39 | struct path path; | ||
| 40 | struct inode *inode; | ||
| 41 | } fs; | ||
| 42 | struct { | ||
| 43 | int netif; | ||
| 44 | struct sock *sk; | ||
| 45 | u16 family; | ||
| 46 | __be16 dport; | ||
| 47 | __be16 sport; | ||
| 48 | union { | ||
| 49 | struct { | ||
| 50 | __be32 daddr; | ||
| 51 | __be32 saddr; | ||
| 52 | } v4; | ||
| 53 | struct { | ||
| 54 | struct in6_addr daddr; | ||
| 55 | struct in6_addr saddr; | ||
| 56 | } v6; | ||
| 57 | } fam; | ||
| 58 | } net; | ||
| 59 | int cap; | ||
| 60 | int ipc_id; | ||
| 61 | struct task_struct *tsk; | ||
| 62 | #ifdef CONFIG_KEYS | ||
| 63 | struct { | ||
| 64 | key_serial_t key; | ||
| 65 | char *key_desc; | ||
| 66 | } key_struct; | ||
| 67 | #endif | ||
| 68 | } u; | ||
| 69 | const char *function; | ||
| 70 | /* this union contains LSM specific data */ | ||
| 71 | union { | ||
| 72 | /* SMACK data */ | ||
| 73 | struct smack_audit_data { | ||
| 74 | char *subject; | ||
| 75 | char *object; | ||
| 76 | char *request; | ||
| 77 | int result; | ||
| 78 | } smack_audit_data; | ||
| 79 | /* SELinux data */ | ||
| 80 | struct { | ||
| 81 | u32 ssid; | ||
| 82 | u32 tsid; | ||
| 83 | u16 tclass; | ||
| 84 | u32 requested; | ||
| 85 | u32 audited; | ||
| 86 | struct av_decision *avd; | ||
| 87 | int result; | ||
| 88 | } selinux_audit_data; | ||
| 89 | } lsm_priv; | ||
| 90 | /* these callback will be implemented by a specific LSM */ | ||
| 91 | void (*lsm_pre_audit)(struct audit_buffer *, void *); | ||
| 92 | void (*lsm_post_audit)(struct audit_buffer *, void *); | ||
| 93 | }; | ||
| 94 | |||
| 95 | #define v4info fam.v4 | ||
| 96 | #define v6info fam.v6 | ||
| 97 | |||
| 98 | int ipv4_skb_to_auditdata(struct sk_buff *skb, | ||
| 99 | struct common_audit_data *ad, u8 *proto); | ||
| 100 | |||
| 101 | int ipv6_skb_to_auditdata(struct sk_buff *skb, | ||
| 102 | struct common_audit_data *ad, u8 *proto); | ||
| 103 | |||
| 104 | /* Initialize an LSM audit data structure. */ | ||
| 105 | #define COMMON_AUDIT_DATA_INIT(_d, _t) \ | ||
| 106 | { memset((_d), 0, sizeof(struct common_audit_data)); \ | ||
| 107 | (_d)->type = LSM_AUDIT_DATA_##_t; (_d)->function = __func__; } | ||
| 108 | |||
| 109 | void common_lsm_audit(struct common_audit_data *a); | ||
| 110 | |||
| 111 | #endif | ||
