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- #include <linux/fs.h>
- #include <linux/audit.h>
- #include <linux/skbuff.h>
- #include <uapi/linux/mqueue.h>
- #include <linux/tty.h>
- #define AUDIT_NAMES 5
- enum audit_state {
- AUDIT_DISABLED,
- AUDIT_BUILD_CONTEXT,
- AUDIT_RECORD_CONTEXT
- };
- struct audit_watch;
- struct audit_fsnotify_mark;
- struct audit_tree;
- struct audit_chunk;
- struct audit_entry {
- struct list_head list;
- struct rcu_head rcu;
- struct audit_krule rule;
- };
- struct audit_cap_data {
- kernel_cap_t permitted;
- kernel_cap_t inheritable;
- union {
- unsigned int fE;
- kernel_cap_t effective;
- };
- };
- struct audit_names {
- struct list_head list;
- struct filename *name;
- int name_len;
- bool hidden;
- unsigned long ino;
- dev_t dev;
- umode_t mode;
- kuid_t uid;
- kgid_t gid;
- dev_t rdev;
- u32 osid;
- struct audit_cap_data fcap;
- unsigned int fcap_ver;
- unsigned char type;
-
- bool should_free;
- };
- struct audit_proctitle {
- int len;
- char *value;
- };
- struct audit_context {
- int dummy;
- int in_syscall;
- enum audit_state state, current_state;
- unsigned int serial;
- int major;
- struct timespec ctime;
- unsigned long argv[4];
- long return_code;
- u64 prio;
- int return_valid;
-
- struct audit_names preallocated_names[AUDIT_NAMES];
- int name_count;
- struct list_head names_list;
- char *filterkey;
- struct path pwd;
- struct audit_aux_data *aux;
- struct audit_aux_data *aux_pids;
- struct sockaddr_storage *sockaddr;
- size_t sockaddr_len;
-
- pid_t pid, ppid;
- kuid_t uid, euid, suid, fsuid;
- kgid_t gid, egid, sgid, fsgid;
- unsigned long personality;
- int arch;
- pid_t target_pid;
- kuid_t target_auid;
- kuid_t target_uid;
- unsigned int target_sessionid;
- u32 target_sid;
- char target_comm[TASK_COMM_LEN];
- struct audit_tree_refs *trees, *first_trees;
- struct list_head killed_trees;
- int tree_count;
- int type;
- union {
- struct {
- int nargs;
- long args[6];
- } socketcall;
- struct {
- kuid_t uid;
- kgid_t gid;
- umode_t mode;
- u32 osid;
- int has_perm;
- uid_t perm_uid;
- gid_t perm_gid;
- umode_t perm_mode;
- unsigned long qbytes;
- } ipc;
- struct {
- mqd_t mqdes;
- struct mq_attr mqstat;
- } mq_getsetattr;
- struct {
- mqd_t mqdes;
- int sigev_signo;
- } mq_notify;
- struct {
- mqd_t mqdes;
- size_t msg_len;
- unsigned int msg_prio;
- struct timespec abs_timeout;
- } mq_sendrecv;
- struct {
- int oflag;
- umode_t mode;
- struct mq_attr attr;
- } mq_open;
- struct {
- pid_t pid;
- struct audit_cap_data cap;
- } capset;
- struct {
- int fd;
- int flags;
- } mmap;
- struct {
- int argc;
- } execve;
- };
- int fds[2];
- struct audit_proctitle proctitle;
- };
- extern u32 audit_ever_enabled;
- extern void audit_copy_inode(struct audit_names *name,
- const struct dentry *dentry,
- struct inode *inode);
- extern void audit_log_cap(struct audit_buffer *ab, char *prefix,
- kernel_cap_t *cap);
- extern void audit_log_name(struct audit_context *context,
- struct audit_names *n, struct path *path,
- int record_num, int *call_panic);
- extern int audit_pid;
- #define AUDIT_INODE_BUCKETS 32
- extern struct list_head audit_inode_hash[AUDIT_INODE_BUCKETS];
- static inline int audit_hash_ino(u32 ino)
- {
- return (ino & (AUDIT_INODE_BUCKETS-1));
- }
- #define AUDIT_NAME_FULL -1
- extern int audit_match_class(int class, unsigned syscall);
- extern int audit_comparator(const u32 left, const u32 op, const u32 right);
- extern int audit_uid_comparator(kuid_t left, u32 op, kuid_t right);
- extern int audit_gid_comparator(kgid_t left, u32 op, kgid_t right);
- extern int parent_len(const char *path);
- extern int audit_compare_dname_path(const char *dname, const char *path, int plen);
- extern struct sk_buff *audit_make_reply(__u32 portid, int seq, int type,
- int done, int multi,
- const void *payload, int size);
- extern void audit_panic(const char *message);
- struct audit_netlink_list {
- __u32 portid;
- struct net *net;
- struct sk_buff_head q;
- };
- int audit_send_list(void *);
- struct audit_net {
- struct sock *nlsk;
- };
- extern int selinux_audit_rule_update(void);
- extern struct mutex audit_filter_mutex;
- extern int audit_del_rule(struct audit_entry *);
- extern void audit_free_rule_rcu(struct rcu_head *);
- extern struct list_head audit_filter_list[];
- extern struct audit_entry *audit_dupe_rule(struct audit_krule *old);
- extern void audit_log_d_path_exe(struct audit_buffer *ab,
- struct mm_struct *mm);
- extern struct tty_struct *audit_get_tty(struct task_struct *tsk);
- extern void audit_put_tty(struct tty_struct *tty);
- #ifdef CONFIG_AUDIT_WATCH
- extern void audit_put_watch(struct audit_watch *watch);
- extern void audit_get_watch(struct audit_watch *watch);
- extern int audit_to_watch(struct audit_krule *krule, char *path, int len, u32 op);
- extern int audit_add_watch(struct audit_krule *krule, struct list_head **list);
- extern void audit_remove_watch_rule(struct audit_krule *krule);
- extern char *audit_watch_path(struct audit_watch *watch);
- extern int audit_watch_compare(struct audit_watch *watch, unsigned long ino, dev_t dev);
- extern struct audit_fsnotify_mark *audit_alloc_mark(struct audit_krule *krule, char *pathname, int len);
- extern char *audit_mark_path(struct audit_fsnotify_mark *mark);
- extern void audit_remove_mark(struct audit_fsnotify_mark *audit_mark);
- extern void audit_remove_mark_rule(struct audit_krule *krule);
- extern int audit_mark_compare(struct audit_fsnotify_mark *mark, unsigned long ino, dev_t dev);
- extern int audit_dupe_exe(struct audit_krule *new, struct audit_krule *old);
- extern int audit_exe_compare(struct task_struct *tsk, struct audit_fsnotify_mark *mark);
- #else
- #define audit_put_watch(w) {}
- #define audit_get_watch(w) {}
- #define audit_to_watch(k, p, l, o) (-EINVAL)
- #define audit_add_watch(k, l) (-EINVAL)
- #define audit_remove_watch_rule(k) BUG()
- #define audit_watch_path(w) ""
- #define audit_watch_compare(w, i, d) 0
- #define audit_alloc_mark(k, p, l) (ERR_PTR(-EINVAL))
- #define audit_mark_path(m) ""
- #define audit_remove_mark(m)
- #define audit_remove_mark_rule(k)
- #define audit_mark_compare(m, i, d) 0
- #define audit_exe_compare(t, m) (-EINVAL)
- #define audit_dupe_exe(n, o) (-EINVAL)
- #endif
- #ifdef CONFIG_AUDIT_TREE
- extern struct audit_chunk *audit_tree_lookup(const struct inode *);
- extern void audit_put_chunk(struct audit_chunk *);
- extern bool audit_tree_match(struct audit_chunk *, struct audit_tree *);
- extern int audit_make_tree(struct audit_krule *, char *, u32);
- extern int audit_add_tree_rule(struct audit_krule *);
- extern int audit_remove_tree_rule(struct audit_krule *);
- extern void audit_trim_trees(void);
- extern int audit_tag_tree(char *old, char *new);
- extern const char *audit_tree_path(struct audit_tree *);
- extern void audit_put_tree(struct audit_tree *);
- extern void audit_kill_trees(struct list_head *);
- #else
- #define audit_remove_tree_rule(rule) BUG()
- #define audit_add_tree_rule(rule) -EINVAL
- #define audit_make_tree(rule, str, op) -EINVAL
- #define audit_trim_trees() (void)0
- #define audit_put_tree(tree) (void)0
- #define audit_tag_tree(old, new) -EINVAL
- #define audit_tree_path(rule) ""
- #define audit_kill_trees(list) BUG()
- #endif
- extern char *audit_unpack_string(void **, size_t *, size_t);
- extern pid_t audit_sig_pid;
- extern kuid_t audit_sig_uid;
- extern u32 audit_sig_sid;
- extern int audit_filter(int msgtype, unsigned int listtype);
- #ifdef CONFIG_AUDITSYSCALL
- extern int __audit_signal_info(int sig, struct task_struct *t);
- static inline int audit_signal_info(int sig, struct task_struct *t)
- {
- if (unlikely((audit_pid && t->tgid == audit_pid) ||
- (audit_signals && !audit_dummy_context())))
- return __audit_signal_info(sig, t);
- return 0;
- }
- extern void audit_filter_inodes(struct task_struct *, struct audit_context *);
- extern struct list_head *audit_killed_trees(void);
- #else
- #define audit_signal_info(s,t) AUDIT_DISABLED
- #define audit_filter_inodes(t,c) AUDIT_DISABLED
- #endif
- extern struct mutex audit_cmd_mutex;
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