diff options
Diffstat (limited to 'kernel/audit.h')
| -rw-r--r-- | kernel/audit.h | 50 |
1 files changed, 30 insertions, 20 deletions
diff --git a/kernel/audit.h b/kernel/audit.h index 6fb7160412d4..c57b008b9914 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -1,16 +1,20 @@ /* SPDX-License-Identifier: GPL-2.0-or-later */ -/* audit -- definition of audit_context structure and supporting types +/* 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 */ +#ifndef _KERNEL_AUDIT_H_ +#define _KERNEL_AUDIT_H_ + #include <linux/fs.h> #include <linux/audit.h> #include <linux/skbuff.h> #include <uapi/linux/mqueue.h> #include <linux/tty.h> +#include <uapi/linux/openat2.h> // struct open_how /* 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 @@ -21,16 +25,16 @@ 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. + AUDIT_STATE_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, + AUDIT_STATE_BUILD, /* 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, + AUDIT_STATE_RECORD /* 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. */ @@ -97,10 +101,15 @@ struct audit_proctitle { /* 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_CTX_UNUSED, /* audit_context is currently unused */ + AUDIT_CTX_SYSCALL, /* in use by syscall */ + AUDIT_CTX_URING, /* in use by io_uring */ + } context; enum audit_state state, current_state; unsigned int serial; /* serial number for record */ int major; /* syscall number */ + int uring_op; /* uring operation */ struct timespec64 ctime; /* time of syscall entry */ unsigned long argv[4]; /* syscall arguments */ long return_code;/* syscall return code */ @@ -124,7 +133,7 @@ struct audit_context { struct sockaddr_storage *sockaddr; size_t sockaddr_len; /* Save things to print about task_struct */ - pid_t pid, ppid; + pid_t ppid; kuid_t uid, euid, suid, fsuid; kgid_t gid, egid, sgid, fsgid; unsigned long personality; @@ -185,12 +194,17 @@ struct audit_context { int fd; int flags; } mmap; + struct open_how openat2; 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; @@ -229,9 +243,7 @@ struct audit_netlink_list { struct sk_buff_head q; }; -int audit_send_list(void *_dest); - -extern int selinux_audit_rule_update(void); +int audit_send_list_thread(void *_dest); extern struct mutex audit_filter_mutex; extern int audit_del_rule(struct audit_entry *entry); @@ -292,8 +304,8 @@ extern void audit_filter_inodes(struct task_struct *tsk, 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_put_watch(w) do { } while (0) +#define audit_get_watch(w) do { } while (0) #define audit_to_watch(k, p, l, o) (-EINVAL) #define audit_add_watch(k, l) (-EINVAL) #define audit_remove_watch_rule(k) BUG() @@ -302,8 +314,8 @@ extern struct list_head *audit_killed_trees(void); #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_remove_mark(m) do { } while (0) +#define audit_remove_mark_rule(k) do { } while (0) #define audit_mark_compare(m, i, d) 0 #define audit_exe_compare(t, m) (-EINVAL) #define audit_dupe_exe(n, o) (-EINVAL) @@ -311,8 +323,8 @@ extern struct list_head *audit_killed_trees(void); #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_trim_trees() do { } while (0) +#define audit_put_tree(tree) do { } while (0) #define audit_tag_tree(old, new) -EINVAL #define audit_tree_path(rule) "" /* never called */ #define audit_kill_trees(context) BUG() @@ -322,16 +334,14 @@ static inline int audit_signal_info_syscall(struct task_struct *t) return 0; } -#define audit_filter_inodes(t, c) AUDIT_DISABLED +#define audit_filter_inodes(t, c) AUDIT_STATE_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); + +#endif |