upstream/mercurial-mirror Files · contrib/fuzz/bdiff.cc

http: allow 'auth.prefix' to have a username consistent with the URI...

http: allow 'auth.prefix' to have a username consistent with the URI It may be a little weird to put a username in the prefix, but the documentation doesn't disallow it, and silently disallowing it has caused confusion[1]. The username must match what is passed in (which seems to be from the URI via a circuitous route), as well as 'auth.username' if it was specified. I thought about printing a warning for a mismatch, but we already don't print a warning if the 'auth.username' and URI username don't match. This change allows the first and second last new test cases to work as expected. It looks like this would have been a problem since at least 0593e8f81c71. [1] https://www.mercurial-scm.org/pipermail/mercurial/2018-November/051069.html

Augie Fackler - - Load All Authors

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      /*

       * bdiff.cc - fuzzer harness for bdiff.c

       *

       * Copyright 2018, Google Inc.

       *

       * This software may be used and distributed according to the terms of

       * the GNU General Public License, incorporated herein by reference.

       */

      #include <memory>

      #include <stdlib.h>

      #include "fuzzutil.h"

      extern "C" {

      #include "bdiff.h"

      int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)

      {

      	auto maybe_inputs = SplitInputs(Data, Size);

      	if (!maybe_inputs) {

      		return 0;

      	}

      	auto inputs = std::move(maybe_inputs.value());

      	struct bdiff_line *a, *b;

      	int an = bdiff_splitlines(inputs.left.get(), inputs.left_size, &a);

      	int bn = bdiff_splitlines(inputs.right.get(), inputs.right_size, &b);

      	struct bdiff_hunk l;

      	bdiff_diff(a, an, b, bn, &l);

      	free(a);

      	free(b);

      	bdiff_freehunks(l.next);

      	return 0; // Non-zero return values are reserved for future use.

      }

      #ifdef HG_FUZZER_INCLUDE_MAIN

      int main(int argc, char **argv)

      {

      	const char data[] = "asdf";

      	return LLVMFuzzerTestOneInput((const uint8_t *)data, 4);

      }

      #endif

      } // extern "C"

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				/*
				* bdiff.cc - fuzzer harness for bdiff.c
				*
				* Copyright 2018, Google Inc.
				*
				* This software may be used and distributed according to the terms of
				* the GNU General Public License, incorporated herein by reference.
				*/
				#include <memory>
				#include <stdlib.h>

				#include "fuzzutil.h"

				extern "C" {
				#include "bdiff.h"

				int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size)
				{
				auto maybe_inputs = SplitInputs(Data, Size);
				if (!maybe_inputs) {
				return 0;
				}
				auto inputs = std::move(maybe_inputs.value());

				struct bdiff_line a, b;
				int an = bdiff_splitlines(inputs.left.get(), inputs.left_size, &a);
				int bn = bdiff_splitlines(inputs.right.get(), inputs.right_size, &b);
				struct bdiff_hunk l;
				bdiff_diff(a, an, b, bn, &l);
				free(a);
				free(b);
				bdiff_freehunks(l.next);
				return 0; // Non-zero return values are reserved for future use.
				}

				#ifdef HG_FUZZER_INCLUDE_MAIN
				int main(int argc, char **argv)
				{
				const char data[] = "asdf";
				return LLVMFuzzerTestOneInput((const uint8_t *)data, 4);
				}
				#endif

				} // extern "C"