// Copyright 2015 Matthew Holt and The Caddy Authors // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // +build gofuzz // +build gofuzz_libfuzzer package httpcaddyfile import ( "github.com/caddyserver/caddy/v2/caddyconfig/caddyfile" ) func FuzzHTTPCaddyfileAdapter(data []byte) int { adapter := caddyfile.Adapter{ ServerType: ServerType{}, } _, warns, err := adapter.Adapt(data, nil) // Adapt func calls the Setup() func of the ServerType, // thus it's going across multiple layers, each can // return warnings or errors. Marking the presence of // errors or warnings as interesting in this case // could push the fuzzer towards a path where we only // catch errors. Let's push the fuzzer to where it passes // but breaks. if err != nil || (warns != nil && len(warns) > 0) { return 0 } return 1 }