1 /*
2 * Copyright (C) 2015 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
17 #include <android/log.h>
18 #include <jni.h>
19 #include <string.h>
20 #include <time.h>
21
22 #if defined(ARCH_SUPPORTS_SECCOMP)
23 #include <linux/filter.h>
24 #include <linux/seccomp.h>
25 #include <sys/syscall.h>
26 #endif
27
28 #include "seccomp_sample_program.h"
29 #include "seccomp-tests/tests/test_harness.h"
30
31 // Forward declare from seccomp_bpf_tests.c.
32 extern "C" {
33 struct __test_metadata* get_seccomp_test_list();
34 }
35
36 static const char TAG[] = "SeccompBpfTest-Native";
37
android_security_cts_SeccompBpfTest_runKernelUnitTest(JNIEnv * env,jobject thiz __unused,jstring name)38 jboolean android_security_cts_SeccompBpfTest_runKernelUnitTest(
39 JNIEnv* env, jobject thiz __unused, jstring name) {
40 #if defined(ARCH_SUPPORTS_SECCOMP)
41 const char* nameStr = env->GetStringUTFChars(name, nullptr);
42
43 for (struct __test_metadata* t = get_seccomp_test_list(); t; t = t->next) {
44 if (strcmp(t->name, nameStr) == 0) {
45 __android_log_print(ANDROID_LOG_INFO, TAG, "Start: %s", t->name);
46 __run_test(t);
47 __android_log_print(ANDROID_LOG_INFO, TAG, "%s: %s",
48 t->passed ? "PASS" : "FAIL", t->name);
49 return t->passed;
50 }
51 }
52 #endif // ARCH_SUPPORTS_SECCOMP
53
54 return false;
55 }
56
android_security_cts_SeccompBpfTest_installTestFilter(JNIEnv *,jclass)57 jboolean android_security_cts_SeccompBpfTest_installTestFilter(JNIEnv*, jclass) {
58 #if !defined(ARCH_SUPPORTS_SECCOMP)
59 return false;
60 #else
61 struct sock_fprog prog = GetTestSeccompFilterProgram();
62
63 if (prog.len == 0)
64 return false;
65
66 int rv = syscall(__NR_seccomp, SECCOMP_SET_MODE_FILTER, SECCOMP_FILTER_FLAG_TSYNC, &prog);
67 return rv == 0;
68 #endif
69 }
70
android_security_cts_SeccompBpfTest_getClockBootTime(JNIEnv *,jclass)71 jint android_security_cts_SeccompBpfTest_getClockBootTime(JNIEnv*, jclass) {
72 struct timespec ts;
73 int rv = clock_gettime(CLOCK_BOOTTIME, &ts);
74 return rv;
75 }
76
77 static JNINativeMethod methods[] = {
78 { "runKernelUnitTest", "(Ljava/lang/String;)Z",
79 (void*)android_security_cts_SeccompBpfTest_runKernelUnitTest },
80 { "installTestFilter", "()Z",
81 (void*)android_security_cts_SeccompBpfTest_installTestFilter },
82 { "getClockBootTime", "()I",
83 (void*)android_security_cts_SeccompBpfTest_getClockBootTime },
84 };
85
register_android_os_cts_SeccompTest(JNIEnv * env)86 int register_android_os_cts_SeccompTest(JNIEnv* env) {
87 jclass clazz = env->FindClass("android/os/cts/SeccompTest");
88 return env->RegisterNatives(clazz, methods, sizeof(methods) / sizeof(JNINativeMethod));
89 }
90