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// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <fuzzer/FuzzedDataProvider.h>
#include <memory>
#include <string>
#include "net/base/network_isolation_key.h"
#include "net/dns/mock_host_resolver.h"
#include "net/http/http_auth_challenge_tokenizer.h"
#include "net/http/http_auth_handler.h"
#include "net/http/http_auth_handler_factory.h"
#include "net/http/http_auth_scheme.h"
#include "net/log/net_log_with_source.h"
#include "net/ssl/ssl_info.h"
#include "url/gurl.h"
#include "url/scheme_host_port.h"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
FuzzedDataProvider data_provider{data, size};
std::string scheme;
if (data_provider.ConsumeBool()) {
scheme = std::string(data_provider.PickValueInArray(
{net::kBasicAuthScheme, net::kDigestAuthScheme, net::kNtlmAuthScheme,
net::kNegotiateAuthScheme}));
} else {
scheme = data_provider.ConsumeRandomLengthString(10);
}
std::unique_ptr<net::HttpAuthHandlerRegistryFactory> factory =
net::HttpAuthHandlerFactory::CreateDefault();
if (!factory->IsSchemeAllowedForTesting(scheme))
return 0;
std::string challenge = data_provider.ConsumeRandomLengthString(500);
// Dummies
net::SSLInfo null_ssl_info;
url::SchemeHostPort scheme_host_port(GURL("https://foo.test/"));
auto host_resolver = std::make_unique<net::MockHostResolver>();
std::unique_ptr<net::HttpAuthHandler> handler;
factory->CreateAuthHandlerFromString(
challenge, net::HttpAuth::AUTH_SERVER, null_ssl_info,
net::NetworkIsolationKey(), scheme_host_port, net::NetLogWithSource(),
host_resolver.get(), &handler);
if (handler) {
auto followup = data_provider.ConsumeRemainingBytesAsString();
net::HttpAuthChallengeTokenizer tokenizer{followup.begin(), followup.end()};
handler->HandleAnotherChallenge(&tokenizer);
}
return 0;
}
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