mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-30 07:34:12 +08:00
1c30e3af8a
The openat2(2) syscall was added in kernel v5.6 with commit
fddb5d430a ("open: introduce openat2(2) syscall").
Add the openat2(2) syscall to the audit syscall classifier.
Link: https://github.com/linux-audit/audit-kernel/issues/67
Link: https://lore.kernel.org/r/f5f1a4d8699613f8c02ce762807228c841c2e26f.1621363275.git.rgb@redhat.com
Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
[PM: merge fuzz due to previous header rename, commit line wraps]
Signed-off-by: Paul Moore <paul@paul-moore.com>
90 lines
1.9 KiB
C
90 lines
1.9 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/init.h>
|
|
#include <linux/types.h>
|
|
#include <linux/audit.h>
|
|
#include <asm/unistd.h>
|
|
|
|
static unsigned dir_class[] = {
|
|
#include <asm-generic/audit_dir_write.h>
|
|
~0U
|
|
};
|
|
|
|
static unsigned read_class[] = {
|
|
#include <asm-generic/audit_read.h>
|
|
~0U
|
|
};
|
|
|
|
static unsigned write_class[] = {
|
|
#include <asm-generic/audit_write.h>
|
|
~0U
|
|
};
|
|
|
|
static unsigned chattr_class[] = {
|
|
#include <asm-generic/audit_change_attr.h>
|
|
~0U
|
|
};
|
|
|
|
static unsigned signal_class[] = {
|
|
#include <asm-generic/audit_signal.h>
|
|
~0U
|
|
};
|
|
|
|
int audit_classify_arch(int arch)
|
|
{
|
|
if (audit_is_compat(arch))
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
int audit_classify_syscall(int abi, unsigned syscall)
|
|
{
|
|
if (audit_is_compat(abi))
|
|
return audit_classify_compat_syscall(abi, syscall);
|
|
|
|
switch(syscall) {
|
|
#ifdef __NR_open
|
|
case __NR_open:
|
|
return AUDITSC_OPEN;
|
|
#endif
|
|
#ifdef __NR_openat
|
|
case __NR_openat:
|
|
return AUDITSC_OPENAT;
|
|
#endif
|
|
#ifdef __NR_socketcall
|
|
case __NR_socketcall:
|
|
return AUDITSC_SOCKETCALL;
|
|
#endif
|
|
#ifdef __NR_execveat
|
|
case __NR_execveat:
|
|
#endif
|
|
case __NR_execve:
|
|
return AUDITSC_EXECVE;
|
|
#ifdef __NR_openat2
|
|
case __NR_openat2:
|
|
return AUDITSC_OPENAT2;
|
|
#endif
|
|
default:
|
|
return AUDITSC_NATIVE;
|
|
}
|
|
}
|
|
|
|
static int __init audit_classes_init(void)
|
|
{
|
|
#ifdef CONFIG_AUDIT_COMPAT_GENERIC
|
|
audit_register_class(AUDIT_CLASS_WRITE_32, compat_write_class);
|
|
audit_register_class(AUDIT_CLASS_READ_32, compat_read_class);
|
|
audit_register_class(AUDIT_CLASS_DIR_WRITE_32, compat_dir_class);
|
|
audit_register_class(AUDIT_CLASS_CHATTR_32, compat_chattr_class);
|
|
audit_register_class(AUDIT_CLASS_SIGNAL_32, compat_signal_class);
|
|
#endif
|
|
audit_register_class(AUDIT_CLASS_WRITE, write_class);
|
|
audit_register_class(AUDIT_CLASS_READ, read_class);
|
|
audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
|
|
audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
|
|
audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
|
|
return 0;
|
|
}
|
|
|
|
__initcall(audit_classes_init);
|