^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #include <linux/audit.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) #include <asm/unistd.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include "audit.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) static unsigned dir_class[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <asm-generic/audit_dir_write.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) ~0U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) static unsigned read_class[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <asm-generic/audit_read.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) ~0U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) static unsigned write_class[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <asm-generic/audit_write.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) ~0U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) static unsigned chattr_class[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <asm-generic/audit_change_attr.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) ~0U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static unsigned signal_class[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <asm-generic/audit_signal.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) ~0U
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) int audit_classify_arch(int arch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) if (arch == AUDIT_ARCH_S390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) int audit_classify_syscall(int abi, unsigned syscall)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) if (abi == AUDIT_ARCH_S390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) return s390_classify_syscall(syscall);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) switch(syscall) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) case __NR_open:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) return 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) case __NR_openat:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) case __NR_socketcall:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) return 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) case __NR_execve:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) return 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static int __init audit_classes_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #ifdef CONFIG_COMPAT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) audit_register_class(AUDIT_CLASS_WRITE_32, s390_write_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) audit_register_class(AUDIT_CLASS_READ_32, s390_read_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) audit_register_class(AUDIT_CLASS_DIR_WRITE_32, s390_dir_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) audit_register_class(AUDIT_CLASS_CHATTR_32, s390_chattr_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) audit_register_class(AUDIT_CLASS_SIGNAL_32, s390_signal_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) audit_register_class(AUDIT_CLASS_WRITE, write_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) audit_register_class(AUDIT_CLASS_READ, read_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) audit_register_class(AUDIT_CLASS_DIR_WRITE, dir_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) audit_register_class(AUDIT_CLASS_CHATTR, chattr_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) audit_register_class(AUDIT_CLASS_SIGNAL, signal_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) __initcall(audit_classes_init);