ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/kernel/audit.h b/marvell/linux/kernel/audit.h
new file mode 100644
index 0000000..fed8e93
--- /dev/null
+++ b/marvell/linux/kernel/audit.h
@@ -0,0 +1,341 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* audit -- definition of audit_context structure and supporting types
+ *
+ * Copyright 2003-2004 Red Hat, Inc.
+ * Copyright 2005 Hewlett-Packard Development Company, L.P.
+ * Copyright 2005 IBM Corporation
+ */
+
+#include <linux/fs.h>
+#include <linux/audit.h>
+#include <linux/skbuff.h>
+#include <uapi/linux/mqueue.h>
+#include <linux/tty.h>
+
+/* AUDIT_NAMES is the number of slots we reserve in the audit_context
+ * for saving names from getname(). If we get more names we will allocate
+ * a name dynamically and also add those to the list anchored by names_list. */
+#define AUDIT_NAMES 5
+
+/* At task start time, the audit_state is set in the audit_context using
+ a per-task filter. At syscall entry, the audit_state is augmented by
+ the syscall filter. */
+enum audit_state {
+ AUDIT_DISABLED, /* Do not create per-task audit_context.
+ * No syscall-specific audit records can
+ * be generated. */
+ AUDIT_BUILD_CONTEXT, /* Create the per-task audit_context,
+ * and fill it in at syscall
+ * entry time. This makes a full
+ * syscall record available if some
+ * other part of the kernel decides it
+ * should be recorded. */
+ AUDIT_RECORD_CONTEXT /* Create the per-task audit_context,
+ * always fill it in at syscall entry
+ * time, and always write out the audit
+ * record at syscall exit time. */
+};
+
+/* Rule lists */
+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; /* effective bit of file cap */
+ kernel_cap_t effective; /* effective set of process */
+ };
+ kernel_cap_t ambient;
+ kuid_t rootid;
+};
+
+/* When fs/namei.c:getname() is called, we store the pointer in name and bump
+ * the refcnt in the associated filename struct.
+ *
+ * Further, in fs/namei.c:path_lookup() we store the inode and device.
+ */
+struct audit_names {
+ struct list_head list; /* audit_context->names_list */
+
+ struct filename *name;
+ int name_len; /* number of chars to log */
+ bool hidden; /* don't log this record */
+
+ 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; /* record type */
+ /*
+ * This was an allocated audit_names and not from the array of
+ * names allocated in the task audit context. Thus this name
+ * should be freed on syscall exit.
+ */
+ bool should_free;
+};
+
+struct audit_proctitle {
+ int len; /* length of the cmdline field. */
+ char *value; /* the cmdline field */
+};
+
+/* The per-task audit context. */
+struct audit_context {
+ int dummy; /* must be the first element */
+ int in_syscall; /* 1 if task is in a syscall */
+ enum audit_state state, current_state;
+ unsigned int serial; /* serial number for record */
+ int major; /* syscall number */
+ struct timespec64 ctime; /* time of syscall entry */
+ unsigned long argv[4]; /* syscall arguments */
+ long return_code;/* syscall return code */
+ u64 prio;
+ int return_valid; /* return code is valid */
+ /*
+ * The names_list is the list of all audit_names collected during this
+ * syscall. The first AUDIT_NAMES entries in the names_list will
+ * actually be from the preallocated_names array for performance
+ * reasons. Except during allocation they should never be referenced
+ * through the preallocated_names array and should only be found/used
+ * by running the names_list.
+ */
+ struct audit_names preallocated_names[AUDIT_NAMES];
+ int name_count; /* total records in names_list */
+ struct list_head names_list; /* struct audit_names->list anchor */
+ char *filterkey; /* key for rule that triggered record */
+ struct path pwd;
+ struct audit_aux_data *aux;
+ struct audit_aux_data *aux_pids;
+ struct sockaddr_storage *sockaddr;
+ size_t sockaddr_len;
+ /* Save things to print about task_struct */
+ 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 timespec64 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;
+ struct {
+ char *name;
+ } module;
+ struct {
+ struct audit_ntp_data ntp_data;
+ struct timespec64 tk_injoffset;
+ } time;
+ };
+ int fds[2];
+ struct audit_proctitle proctitle;
+};
+
+extern bool audit_ever_enabled;
+
+extern void audit_log_session_info(struct audit_buffer *ab);
+
+extern int auditd_test_task(struct task_struct *task);
+
+#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));
+}
+
+/* Indicates that audit should log the full pathname. */
+#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 struct qstr *dname, const char *path, int plen);
+extern struct sk_buff *audit_make_reply(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_thread(void *_dest);
+
+extern int selinux_audit_rule_update(void);
+
+extern struct mutex audit_filter_mutex;
+extern int audit_del_rule(struct audit_entry *entry);
+extern void audit_free_rule_rcu(struct rcu_head *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(void);
+extern void audit_put_tty(struct tty_struct *tty);
+
+/* audit watch/mark/tree functions */
+#ifdef CONFIG_AUDITSYSCALL
+extern unsigned int audit_serial(void);
+extern int auditsc_get_stamp(struct audit_context *ctx,
+ struct timespec64 *t, unsigned int *serial);
+
+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);
+
+extern struct audit_chunk *audit_tree_lookup(const struct inode *inode);
+extern void audit_put_chunk(struct audit_chunk *chunk);
+extern bool audit_tree_match(struct audit_chunk *chunk,
+ struct audit_tree *tree);
+extern int audit_make_tree(struct audit_krule *rule, char *pathname, u32 op);
+extern int audit_add_tree_rule(struct audit_krule *rule);
+extern int audit_remove_tree_rule(struct audit_krule *rule);
+extern void audit_trim_trees(void);
+extern int audit_tag_tree(char *old, char *new);
+extern const char *audit_tree_path(struct audit_tree *tree);
+extern void audit_put_tree(struct audit_tree *tree);
+extern void audit_kill_trees(struct audit_context *context);
+
+extern int audit_signal_info_syscall(struct task_struct *t);
+extern void audit_filter_inodes(struct task_struct *tsk,
+ struct audit_context *ctx);
+extern struct list_head *audit_killed_trees(void);
+#else /* CONFIG_AUDITSYSCALL */
+#define auditsc_get_stamp(c, t, s) 0
+#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)
+
+#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) "" /* never called */
+#define audit_kill_trees(context) BUG()
+
+static inline int audit_signal_info_syscall(struct task_struct *t)
+{
+ return 0;
+}
+
+#define audit_filter_inodes(t, c) AUDIT_DISABLED
+#endif /* CONFIG_AUDITSYSCALL */
+
+extern char *audit_unpack_string(void **bufp, size_t *remain, size_t len);
+
+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);
+
+extern void audit_ctl_lock(void);
+extern void audit_ctl_unlock(void);