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/******************************************************************************
*
* Copyright (C) 2020 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 <fuzzer/FuzzedDataProvider.h>
#include <selinux/android.h>
#include <string>
unsigned int GetFlags(FuzzedDataProvider &fdp) {
unsigned int flags = 0;
if (fdp.ConsumeBool()) {
flags |= SELINUX_ANDROID_RESTORECON_NOCHANGE;
}
if (fdp.ConsumeBool()) {
flags |= SELINUX_ANDROID_RESTORECON_VERBOSE;
}
if (fdp.ConsumeBool()) {
flags |= SELINUX_ANDROID_RESTORECON_RECURSE;
}
if (fdp.ConsumeBool()) {
flags |= SELINUX_ANDROID_RESTORECON_FORCE;
}
if (fdp.ConsumeBool()) {
flags |= SELINUX_ANDROID_RESTORECON_DATADATA;
}
if (fdp.ConsumeBool()) {
flags |= SELINUX_ANDROID_RESTORECON_SKIPCE;
}
if (fdp.ConsumeBool()) {
flags |= SELINUX_ANDROID_RESTORECON_CROSS_FILESYSTEMS;
}
if (fdp.ConsumeBool()) {
flags |= SELINUX_ANDROID_RESTORECON_SKIP_SEHASH;
}
// Try adding random noise (which likely isn't a real flag).
if (fdp.ConsumeBool()) {
flags |= fdp.ConsumeIntegral<unsigned int>();
}
return flags;
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
FuzzedDataProvider fdp(data, size);
std::string file = fdp.ConsumeRandomLengthString();
unsigned int flags = GetFlags(fdp);
selinux_android_restorecon(file.c_str(), flags);
return 0;
}
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