1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <log/log_id.h>
#include <private/android_logger.h>
#include <nativehelper/JNIHelp.h>
#include "jni.h"
#include "core_jni_helpers.h"
#include "eventlog_helper.h"
namespace android {
constexpr char kSecurityLogEventClass[] = "android/app/admin/SecurityLog$SecurityEvent";
template class EventLogHelper<log_id_t::LOG_ID_SECURITY, kSecurityLogEventClass>;
using SLog = EventLogHelper<log_id_t::LOG_ID_SECURITY, kSecurityLogEventClass>;
static jboolean android_app_admin_SecurityLog_isLoggingEnabled(JNIEnv* env,
jobject /* clazz */) {
return (bool)__android_log_security();
}
static void android_app_admin_SecurityLog_readEvents(JNIEnv* env, jobject /* clazz */,
jobject out) {
if (out == NULL) {
jniThrowNullPointerException(env, NULL);
return;
}
SLog::readEvents(env, ANDROID_LOG_NONBLOCK, 0, out);
}
static void android_app_admin_SecurityLog_readEventsSince(JNIEnv* env, jobject /* clazz */,
jlong timestamp,
jobject out) {
if (out == NULL) {
jniThrowNullPointerException(env, NULL);
return;
}
SLog::readEvents(env, ANDROID_LOG_NONBLOCK, timestamp, out);
}
static void android_app_admin_SecurityLog_readPreviousEvents(JNIEnv* env, jobject /* clazz */,
jobject out) {
if (out == NULL) {
jniThrowNullPointerException(env, NULL);
return;
}
SLog::readEvents(env, ANDROID_LOG_NONBLOCK | ANDROID_LOG_PSTORE, 0, out);
}
static void android_app_admin_SecurityLog_readEventsOnWrapping(JNIEnv* env, jobject /* clazz */,
jlong timestamp,
jobject out) {
if (out == NULL) {
jniThrowNullPointerException(env, NULL);
return;
}
SLog::readEvents(env, ANDROID_LOG_NONBLOCK | ANDROID_LOG_WRAP, timestamp, out);
}
/*
* JNI registration.
*/
static const JNINativeMethod gRegisterMethods[] = {
/* name, signature, funcPtr */
{ "isLoggingEnabled",
"()Z",
(void*) android_app_admin_SecurityLog_isLoggingEnabled
},
{ "writeEvent",
"(ILjava/lang/String;)I",
(void*) SLog::writeEventString
},
{ "writeEvent",
"(I[Ljava/lang/Object;)I",
(void*) SLog::writeEventArray
},
{ "readEvents",
"(Ljava/util/Collection;)V",
(void*) android_app_admin_SecurityLog_readEvents
},
{ "readEventsSince",
"(JLjava/util/Collection;)V",
(void*) android_app_admin_SecurityLog_readEventsSince
},
{ "readPreviousEvents",
"(Ljava/util/Collection;)V",
(void*) android_app_admin_SecurityLog_readPreviousEvents
},
{ "readEventsOnWrapping",
"(JLjava/util/Collection;)V",
(void*) android_app_admin_SecurityLog_readEventsOnWrapping
},
};
int register_android_app_admin_SecurityLog(JNIEnv* env) {
SLog::Init(env);
return RegisterMethodsOrDie(
env,
"android/app/admin/SecurityLog",
gRegisterMethods, NELEM(gRegisterMethods));
}
}; // namespace android
|
