Paul Lawrence | ef85477 | 2017-01-31 09:54:31 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Paul Lawrence | ef85477 | 2017-01-31 09:54:31 -0800 | [diff] [blame] | 17 | #include "core_jni_helpers.h" |
Steven Moreland | 2279b25 | 2017-07-19 09:50:45 -0700 | [diff] [blame] | 18 | #include <nativehelper/JniConstants.h> |
Paul Lawrence | ef85477 | 2017-01-31 09:54:31 -0800 | [diff] [blame] | 19 | #include "utils/Log.h" |
Paul Lawrence | ffad2ad | 2017-03-03 13:04:35 -0800 | [diff] [blame] | 20 | #include <selinux/selinux.h> |
| 21 | |
Paul Lawrence | ef85477 | 2017-01-31 09:54:31 -0800 | [diff] [blame] | 22 | #include "seccomp_policy.h" |
| 23 | |
Victor Hsieh | a188dbc | 2018-01-08 12:43:00 -0800 | [diff] [blame] | 24 | static void Seccomp_setSystemServerPolicy(JNIEnv* /*env*/) { |
Paul Lawrence | ffad2ad | 2017-03-03 13:04:35 -0800 | [diff] [blame] | 25 | if (security_getenforce() == 0) { |
| 26 | ALOGI("seccomp disabled by setenforce 0"); |
| 27 | return; |
| 28 | } |
| 29 | |
Victor Hsieh | a188dbc | 2018-01-08 12:43:00 -0800 | [diff] [blame] | 30 | if (!set_system_seccomp_filter()) { |
| 31 | ALOGE("Failed to set seccomp policy - killing"); |
| 32 | exit(1); |
| 33 | } |
| 34 | } |
| 35 | |
| 36 | static void Seccomp_setAppPolicy(JNIEnv* /*env*/) { |
| 37 | if (security_getenforce() == 0) { |
| 38 | ALOGI("seccomp disabled by setenforce 0"); |
| 39 | return; |
| 40 | } |
| 41 | |
| 42 | if (!set_app_seccomp_filter()) { |
Paul Lawrence | ef85477 | 2017-01-31 09:54:31 -0800 | [diff] [blame] | 43 | ALOGE("Failed to set seccomp policy - killing"); |
| 44 | exit(1); |
| 45 | } |
| 46 | } |
| 47 | |
Paul Lawrence | ef85477 | 2017-01-31 09:54:31 -0800 | [diff] [blame] | 48 | static const JNINativeMethod method_table[] = { |
Victor Hsieh | a188dbc | 2018-01-08 12:43:00 -0800 | [diff] [blame] | 49 | NATIVE_METHOD(Seccomp, setSystemServerPolicy, "()V"), |
| 50 | NATIVE_METHOD(Seccomp, setAppPolicy, "()V"), |
Paul Lawrence | ef85477 | 2017-01-31 09:54:31 -0800 | [diff] [blame] | 51 | }; |
| 52 | |
| 53 | namespace android { |
| 54 | |
| 55 | int register_android_os_seccomp(JNIEnv* env) { |
| 56 | return android::RegisterMethodsOrDie(env, "android/os/Seccomp", |
| 57 | method_table, NELEM(method_table)); |
| 58 | } |
| 59 | |
| 60 | } |