Orange Pi5 kernel

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * AppArmor security module
 *
 * This file contains AppArmor auditing function definitions.
 *
 * Copyright (C) 1998-2008 Novell/SUSE
 * Copyright 2009-2010 Canonical Ltd.
 */
 
#ifndef __AA_AUDIT_H
#define __AA_AUDIT_H
 
#include <linux/audit.h>
#include <linux/fs.h>
#include <linux/lsm_audit.h>
#include <linux/sched.h>
#include <linux/slab.h>
 
#include "file.h"
#include "label.h"
 
extern const char *const audit_mode_names[];
#define AUDIT_MAX_INDEX 5
enum audit_mode {
<------>AUDIT_NORMAL,		/* follow normal auditing of accesses */
<------>AUDIT_QUIET_DENIED,	/* quiet all denied access messages */
<------>AUDIT_QUIET,		/* quiet all messages */
<------>AUDIT_NOQUIET,		/* do not quiet audit messages */
<------>AUDIT_ALL		/* audit all accesses */
};
 
enum audit_type {
<------>AUDIT_APPARMOR_AUDIT,
<------>AUDIT_APPARMOR_ALLOWED,
<------>AUDIT_APPARMOR_DENIED,
<------>AUDIT_APPARMOR_HINT,
<------>AUDIT_APPARMOR_STATUS,
<------>AUDIT_APPARMOR_ERROR,
<------>AUDIT_APPARMOR_KILL,
<------>AUDIT_APPARMOR_AUTO
};
 
#define OP_NULL NULL
 
#define OP_SYSCTL "sysctl"
#define OP_CAPABLE "capable"
 
#define OP_UNLINK "unlink"
#define OP_MKDIR "mkdir"
#define OP_RMDIR "rmdir"
#define OP_MKNOD "mknod"
#define OP_TRUNC "truncate"
#define OP_LINK "link"
#define OP_SYMLINK "symlink"
#define OP_RENAME_SRC "rename_src"
#define OP_RENAME_DEST "rename_dest"
#define OP_CHMOD "chmod"
#define OP_CHOWN "chown"
#define OP_GETATTR "getattr"
#define OP_OPEN "open"
 
#define OP_FRECEIVE "file_receive"
#define OP_FPERM "file_perm"
#define OP_FLOCK "file_lock"
#define OP_FMMAP "file_mmap"
#define OP_FMPROT "file_mprotect"
#define OP_INHERIT "file_inherit"
 
#define OP_PIVOTROOT "pivotroot"
#define OP_MOUNT "mount"
#define OP_UMOUNT "umount"
 
#define OP_CREATE "create"
#define OP_POST_CREATE "post_create"
#define OP_BIND "bind"
#define OP_CONNECT "connect"
#define OP_LISTEN "listen"
#define OP_ACCEPT "accept"
#define OP_SENDMSG "sendmsg"
#define OP_RECVMSG "recvmsg"
#define OP_GETSOCKNAME "getsockname"
#define OP_GETPEERNAME "getpeername"
#define OP_GETSOCKOPT "getsockopt"
#define OP_SETSOCKOPT "setsockopt"
#define OP_SHUTDOWN "socket_shutdown"
 
#define OP_PTRACE "ptrace"
#define OP_SIGNAL "signal"
 
#define OP_EXEC "exec"
 
#define OP_CHANGE_HAT "change_hat"
#define OP_CHANGE_PROFILE "change_profile"
#define OP_CHANGE_ONEXEC "change_onexec"
#define OP_STACK "stack"
#define OP_STACK_ONEXEC "stack_onexec"
 
#define OP_SETPROCATTR "setprocattr"
#define OP_SETRLIMIT "setrlimit"
 
#define OP_PROF_REPL "profile_replace"
#define OP_PROF_LOAD "profile_load"
#define OP_PROF_RM "profile_remove"
 
 
struct apparmor_audit_data {
<------>int error;
<------>int type;
<------>const char *op;
<------>struct aa_label *label;
<------>const char *name;
<------>const char *info;
<------>u32 request;
<------>u32 denied;
<------>union {
<------><------>/* these entries require a custom callback fn */
<------><------>struct {
<------><------><------>struct aa_label *peer;
<------><------><------>union {
<------><------><------><------>struct {
<------><------><------><------><------>const char *target;
<------><------><------><------><------>kuid_t ouid;
<------><------><------><------>} fs;
<------><------><------><------>struct {
<------><------><------><------><------>int rlim;
<------><------><------><------><------>unsigned long max;
<------><------><------><------>} rlim;
<------><------><------><------>struct {
<------><------><------><------><------>int signal;
<------><------><------><------><------>int unmappedsig;
<------><------><------><------>};
<------><------><------><------>struct {
<------><------><------><------><------>int type, protocol;
<------><------><------><------><------>struct sock *peer_sk;
<------><------><------><------><------>void *addr;
<------><------><------><------><------>int addrlen;
<------><------><------><------>} net;
<------><------><------>};
<------><------>};
<------><------>struct {
<------><------><------>struct aa_profile *profile;
<------><------><------>const char *ns;
<------><------><------>long pos;
<------><------>} iface;
<------><------>struct {
<------><------><------>const char *src_name;
<------><------><------>const char *type;
<------><------><------>const char *trans;
<------><------><------>const char *data;
<------><------><------>unsigned long flags;
<------><------>} mnt;
<------>};
};
 
/* macros for dealing with  apparmor_audit_data structure */
#define aad(SA) ((SA)->apparmor_audit_data)
#define DEFINE_AUDIT_DATA(NAME, T, X)					\
<------>/* TODO: cleanup audit init so we don't need _aad = {0,} */	\
<------>struct apparmor_audit_data NAME ## _aad = { .op = (X), };	\
<------>struct common_audit_data NAME =					\
<------>{								\
<------>.type = (T),							\
<------>.u.tsk = NULL,							\
<------>};								\
<------>NAME.apparmor_audit_data = &(NAME ## _aad)
 
void aa_audit_msg(int type, struct common_audit_data *sa,
<------><------>  void (*cb) (struct audit_buffer *, void *));
int aa_audit(int type, struct aa_profile *profile, struct common_audit_data *sa,
<------>     void (*cb) (struct audit_buffer *, void *));
 
#define aa_audit_error(ERROR, SA, CB)				\
({								\
<------>aad((SA))->error = (ERROR);				\
<------>aa_audit_msg(AUDIT_APPARMOR_ERROR, (SA), (CB));		\
<------>aad((SA))->error;					\
})
 
 
static inline int complain_error(int error)
{
<------>if (error == -EPERM || error == -EACCES)
<------><------>return 0;
<------>return error;
}
 
void aa_audit_rule_free(void *vrule);
int aa_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule);
int aa_audit_rule_known(struct audit_krule *rule);
int aa_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule);
 
#endif /* __AA_AUDIT_H */