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65 lines
2.0 KiB
65 lines
2.0 KiB
/******************************************************************************
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*
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* Copyright (C) 2020 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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*/
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#include <fuzzer/FuzzedDataProvider.h>
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#include <selinux/selinux.h>
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#include <string>
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std::string GetClass(FuzzedDataProvider &fdp) {
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switch (fdp.ConsumeIntegralInRange(0, 9)) {
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case 0: return "filesystem";
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case 1: return "dir";
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case 2: return "file";
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case 3: return "lnk_file";
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case 4: return "chr_file";
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case 5: return "blk_file";
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case 6: return "sock_file";
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case 7: return "fifo_file";
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case 8: return "fd";
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default: return fdp.ConsumeRandomLengthString();
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}
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}
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// This is not an exhaustive list.
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std::string GetPermission(FuzzedDataProvider &fdp) {
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switch (fdp.ConsumeIntegralInRange(0, 7)) {
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case 0: return "create";
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case 1: return "execute";
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case 2: return "getattr";
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case 3: return "ioctl";
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case 4: return "read";
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case 5: return "setattr";
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case 6: return "write";
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default: return fdp.ConsumeRandomLengthString();
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}
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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FuzzedDataProvider fdp(data, size);
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std::string tclass = GetClass(fdp);
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std::string perm = GetPermission(fdp);
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std::string scon = fdp.ConsumeRandomLengthString();
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std::string tcon = fdp.ConsumeRandomLengthString();
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selinux_check_access(scon.data(), tcon.data(), tclass.data(), perm.data(), NULL);
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return 0;
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}
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