forked from mirrors/linux
		
	 1c30e3af8a
			
		
	
	
		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>
		
	
			
		
			
				
	
	
		
			89 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			89 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);
 |