| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | #include <linux/init.h> |
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| 3 | #include <linux/types.h> |
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| 4 | #include <linux/audit.h> |
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| 5 | #include <asm/unistd.h> |
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| 6 | #include "audit.h" |
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| 7 | |
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| 8 | static unsigned dir_class[] = { |
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| 9 | #include <asm-generic/audit_dir_write.h> |
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| 10 | ~0U |
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| 11 | }; |
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| 12 | |
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| 13 | static unsigned read_class[] = { |
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| 14 | #include <asm-generic/audit_read.h> |
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| 15 | ~0U |
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| 16 | }; |
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| 17 | |
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| 18 | static unsigned write_class[] = { |
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| 19 | #include <asm-generic/audit_write.h> |
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| 20 | ~0U |
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| 21 | }; |
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| 22 | |
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| 23 | static unsigned chattr_class[] = { |
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| 24 | #include <asm-generic/audit_change_attr.h> |
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| 25 | ~0U |
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| 26 | }; |
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| 27 | |
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| 28 | static unsigned signal_class[] = { |
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| 29 | #include <asm-generic/audit_signal.h> |
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| 30 | ~0U |
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| 31 | }; |
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| 32 | |
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| 33 | int audit_classify_arch(int arch) |
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| 34 | { |
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| 35 | #ifdef CONFIG_COMPAT |
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| 36 | if (arch == AUDIT_ARCH_S390) |
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| 37 | return 1; |
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| 38 | #endif |
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| 39 | return 0; |
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| 40 | } |
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| 41 | |
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| 42 | int audit_classify_syscall(int abi, unsigned syscall) |
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| 43 | { |
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| 44 | #ifdef CONFIG_COMPAT |
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| 45 | if (abi == AUDIT_ARCH_S390) |
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| 46 | return s390_classify_syscall(syscall); |
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| 47 | #endif |
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| 48 | switch(syscall) { |
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| 49 | case __NR_open: |
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| 50 | return AUDITSC_OPEN; |
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| 51 | case __NR_openat: |
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| 52 | return AUDITSC_OPENAT; |
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| 53 | case __NR_socketcall: |
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| 54 | return AUDITSC_SOCKETCALL; |
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| 55 | case __NR_execve: |
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| 56 | return AUDITSC_EXECVE; |
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| 57 | case __NR_openat2: |
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| 58 | return AUDITSC_OPENAT2; |
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| 59 | default: |
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| 60 | return AUDITSC_NATIVE; |
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| 61 | } |
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| 62 | } |
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| 63 | |
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| 64 | static int __init audit_classes_init(void) |
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| 65 | { |
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| 66 | #ifdef CONFIG_COMPAT |
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| 67 | audit_register_class(AUDIT_CLASS_WRITE_32, list: s390_write_class); |
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| 68 | audit_register_class(AUDIT_CLASS_READ_32, list: s390_read_class); |
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| 69 | audit_register_class(AUDIT_CLASS_DIR_WRITE_32, list: s390_dir_class); |
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| 70 | audit_register_class(AUDIT_CLASS_CHATTR_32, list: s390_chattr_class); |
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| 71 | audit_register_class(AUDIT_CLASS_SIGNAL_32, list: s390_signal_class); |
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| 72 | #endif |
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| 73 | audit_register_class(AUDIT_CLASS_WRITE, list: write_class); |
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| 74 | audit_register_class(AUDIT_CLASS_READ, list: read_class); |
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| 75 | audit_register_class(AUDIT_CLASS_DIR_WRITE, list: dir_class); |
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| 76 | audit_register_class(AUDIT_CLASS_CHATTR, list: chattr_class); |
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| 77 | audit_register_class(AUDIT_CLASS_SIGNAL, list: signal_class); |
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| 78 | return 0; |
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| 79 | } |
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| 80 | |
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| 81 | __initcall(audit_classes_init); |
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| 82 | |
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