Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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62 lines
2.2 KiB
62 lines
2.2 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2023 Google LLC. All rights reserved. |
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// |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file or at |
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// https://developers.google.com/open-source/licenses/bsd |
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#ifndef UPB_TEST_FUZZ_UTIL_H_ |
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#define UPB_TEST_FUZZ_UTIL_H_ |
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#include <string> |
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#include <vector> |
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#include "upb/mem/arena.h" |
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#include "upb/mini_table/extension_registry.h" |
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#include "upb/mini_table/message.h" |
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namespace upb { |
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namespace fuzz { |
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struct MiniTableFuzzInput { |
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// MiniDescripotrs for N messages, in the format accepted by |
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// upb_MiniTable_Build(). |
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std::vector<std::string> mini_descriptors; |
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// MiniDescripotrs for N enums, in the format accepted by |
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// upb_MiniTableEnum_Build(). |
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std::vector<std::string> enum_mini_descriptors; |
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// A MiniDescriptor for N extensions, in the format accepted by |
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// upb_MiniTableExtension_Build(). |
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std::string extensions; |
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// Integer indexes into the message or enum mini tables lists. These specify |
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// which message or enum to use for each sub-message or enum field. We mod |
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// by the total number of enums or messages so that any link value can be |
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// valid. |
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std::vector<uint32_t> links; |
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}; |
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// Builds an arbitrary mini table corresponding to the random data in `input`. |
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// This function should be capable of producing any mini table that can |
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// successfully build, and any topology of messages and enums (including |
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// cycles). |
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// |
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// As currently written, it effectively fuzzes the mini descriptor parser also, |
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// and can therefore trigger any bugs in that parser. To better isolate these |
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// two, we may want to change this implementation to use the mini descriptor |
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// builder API so we are producing mini descriptors in a known good format. That |
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// would mostly eliminate the chance of crashing the mini descriptor parser |
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// itself. |
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// |
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// TODO: maps. If we give maps some space in the regular encoding instead of |
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// using a separate function, we could get that for free. |
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const upb_MiniTable* BuildMiniTable(const MiniTableFuzzInput& input, |
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upb_ExtensionRegistry** exts, |
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upb_Arena* arena); |
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} // namespace fuzz |
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} // namespace upb |
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#endif // UPB_TEST_FUZZ_UTIL_H_
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