xref: /aosp_15_r20/external/selinux/libselinux/fuzzers/ContextFuzzer.cpp (revision 2d543d20722ada2425b5bdab9d0d1d29470e7bba)
1*2d543d20SAndroid Build Coastguard Worker /*
2*2d543d20SAndroid Build Coastguard Worker  * Copyright 2020 The Android Open Source Project
3*2d543d20SAndroid Build Coastguard Worker  *
4*2d543d20SAndroid Build Coastguard Worker  * Licensed under the Apache License, Version 2.0 (the "License");
5*2d543d20SAndroid Build Coastguard Worker  * you may not use this file except in compliance with the License.
6*2d543d20SAndroid Build Coastguard Worker  * You may obtain a copy of the License at
7*2d543d20SAndroid Build Coastguard Worker  *
8*2d543d20SAndroid Build Coastguard Worker  *      http://www.apache.org/licenses/LICENSE-2.0
9*2d543d20SAndroid Build Coastguard Worker  *
10*2d543d20SAndroid Build Coastguard Worker  * Unless required by applicable law or agreed to in writing, software
11*2d543d20SAndroid Build Coastguard Worker  * distributed under the License is distributed on an "AS IS" BASIS,
12*2d543d20SAndroid Build Coastguard Worker  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13*2d543d20SAndroid Build Coastguard Worker  * See the License for the specific language governing permissions and
14*2d543d20SAndroid Build Coastguard Worker  * limitations under the License.
15*2d543d20SAndroid Build Coastguard Worker  */
16*2d543d20SAndroid Build Coastguard Worker 
17*2d543d20SAndroid Build Coastguard Worker #include <fuzzer/FuzzedDataProvider.h>
18*2d543d20SAndroid Build Coastguard Worker #include <stddef.h>
19*2d543d20SAndroid Build Coastguard Worker #include <stdint.h>
20*2d543d20SAndroid Build Coastguard Worker #include <string>
21*2d543d20SAndroid Build Coastguard Worker 
22*2d543d20SAndroid Build Coastguard Worker #include <selinux/context.h>
23*2d543d20SAndroid Build Coastguard Worker 
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)24*2d543d20SAndroid Build Coastguard Worker extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, [[maybe_unused]] size_t size) {
25*2d543d20SAndroid Build Coastguard Worker   FuzzedDataProvider fdp(data, size);
26*2d543d20SAndroid Build Coastguard Worker   std::string contextName = fdp.ConsumeRemainingBytesAsString();
27*2d543d20SAndroid Build Coastguard Worker 
28*2d543d20SAndroid Build Coastguard Worker   context_t context = context_new(contextName.c_str());
29*2d543d20SAndroid Build Coastguard Worker   // According to docs, this should be safe to call with null pointer
30*2d543d20SAndroid Build Coastguard Worker   // (meaning even if previous call fails).
31*2d543d20SAndroid Build Coastguard Worker   context_free(context);
32*2d543d20SAndroid Build Coastguard Worker 
33*2d543d20SAndroid Build Coastguard Worker   return 0;
34*2d543d20SAndroid Build Coastguard Worker }
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