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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 99 100 101 102 103 104 105 106 107 108 | /* * 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 #define LSM_AUDIT_DATA_FILE 12 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; struct file *file; } 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 |