csp_fuzzer.cpp (1432B)
1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this 5 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */ 6 7 #include "FuzzingInterface.h" 8 #include "mozilla/BasePrincipal.h" 9 #include "nsCSPContext.h" 10 #include "nsComponentManagerUtils.h" 11 #include "nsNetUtil.h" 12 #include "nsStringFwd.h" 13 14 static int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { 15 nsresult ret; 16 nsCOMPtr<nsIURI> selfURI; 17 ret = NS_NewURI(getter_AddRefs(selfURI), "http://selfuri.com"); 18 if (ret != NS_OK) return 0; 19 20 mozilla::OriginAttributes attrs; 21 nsCOMPtr<nsIPrincipal> selfURIPrincipal = 22 mozilla::BasePrincipal::CreateContentPrincipal(selfURI, attrs); 23 if (!selfURIPrincipal) return 0; 24 25 nsCOMPtr<nsIContentSecurityPolicy> csp = 26 do_CreateInstance(NS_CSPCONTEXT_CONTRACTID, &ret); 27 if (ret != NS_OK) return 0; 28 29 ret = 30 csp->SetRequestContextWithPrincipal(selfURIPrincipal, selfURI, ""_ns, 0); 31 if (ret != NS_OK) return 0; 32 33 NS_ConvertASCIItoUTF16 policy(reinterpret_cast<const char*>(data), size); 34 if (!policy.get()) return 0; 35 csp->AppendPolicy(policy, false, false); 36 37 return 0; 38 } 39 40 MOZ_FUZZING_INTERFACE_RAW(nullptr, LLVMFuzzerTestOneInput, 41 ContentSecurityPolicyParser);