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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>
86 lines
2.0 KiB
C
86 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/audit.h>
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#include <asm/unistd.h>
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#include <asm/audit.h>
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static unsigned dir_class[] = {
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#include <asm-generic/audit_dir_write.h>
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~0U
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};
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static unsigned read_class[] = {
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#include <asm-generic/audit_read.h>
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~0U
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};
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static unsigned write_class[] = {
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#include <asm-generic/audit_write.h>
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~0U
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};
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static unsigned chattr_class[] = {
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#include <asm-generic/audit_change_attr.h>
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~0U
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};
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static unsigned signal_class[] = {
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#include <asm-generic/audit_signal.h>
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~0U
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};
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int audit_classify_arch(int arch)
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{
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#ifdef CONFIG_IA32_EMULATION
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if (arch == AUDIT_ARCH_I386)
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return 1;
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#endif
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return 0;
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}
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int audit_classify_syscall(int abi, unsigned syscall)
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{
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#ifdef CONFIG_IA32_EMULATION
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if (abi == AUDIT_ARCH_I386)
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return ia32_classify_syscall(syscall);
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#endif
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switch(syscall) {
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case __NR_open:
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return AUDITSC_OPEN;
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case __NR_openat:
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return AUDITSC_OPENAT;
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case __NR_execve:
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case __NR_execveat:
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return AUDITSC_EXECVE;
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case __NR_openat2:
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return AUDITSC_OPENAT2;
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default:
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return AUDITSC_NATIVE;
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}
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}
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static int __init audit_classes_init(void)
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{
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#ifdef CONFIG_IA32_EMULATION
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extern __u32 ia32_dir_class[];
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extern __u32 ia32_write_class[];
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extern __u32 ia32_read_class[];
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extern __u32 ia32_chattr_class[];
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extern __u32 ia32_signal_class[];
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audit_register_class(AUDIT_CLASS_WRITE_32, ia32_write_class);
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audit_register_class(AUDIT_CLASS_READ_32, ia32_read_class);
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audit_register_class(AUDIT_CLASS_DIR_WRITE_32, ia32_dir_class);
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audit_register_class(AUDIT_CLASS_CHATTR_32, ia32_chattr_class);
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audit_register_class(AUDIT_CLASS_SIGNAL_32, ia32_signal_class);
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#endif
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audit_register_class(AUDIT_CLASS_WRITE, write_class);
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audit_register_class(AUDIT_CLASS_READ, read_class);
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audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
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audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
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audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
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return 0;
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}
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__initcall(audit_classes_init);
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