1 /**
2 * Copyright (C) 2018 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 <dirent.h>
18 #include <errno.h>
19 #include <jni.h>
20 #include <linux/limits.h>
21 #include <stdio.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <string.h>
25 #include <sys/ioctl.h>
26 #include <sys/syscall.h>
27 #include <unistd.h>
28
android_os_cts_SPMITest_leakPointer(JNIEnv * env,jobject thiz)29 jboolean android_os_cts_SPMITest_leakPointer(JNIEnv *env, jobject thiz) {
30 jboolean result = true;
31 struct dirent **namelist = NULL;
32 char *path = (char*)"/sys/kernel/debug";
33 int n = scandir(path, &namelist, NULL, NULL);
34 if (n <= 0) {
35 printf("scandir %s failed %s\n", path, strerror(errno));
36 return true;
37 }
38 int i = 0;
39 for (i = 0; i < n; ++i) {
40 if (strstr(namelist[i]->d_name, "ffffffc") != NULL) {
41 result = false;
42 }
43 }
44 while (n--) {
45 free(namelist[n]);
46 }
47 free(namelist);
48 return result;
49 }
50
51 static JNINativeMethod gMethods[] = {
52 {"leakPointer", "()Z", (void *)android_os_cts_SPMITest_leakPointer},
53 };
54
register_android_os_cts_SPMITest(JNIEnv * env)55 int register_android_os_cts_SPMITest(JNIEnv *env) {
56 jclass clazz = env->FindClass("android/os/cts/SPMITest");
57
58 return env->RegisterNatives(clazz, gMethods,
59 sizeof(gMethods) / sizeof(JNINativeMethod));
60 }
61