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gitea/tools/fuzz.go
6543 d2d99a25b7
Fix NPE in fuzzer (#16680) (#16682)
The fuzzer found an issue with the issue pattern processor where there is a spurious
path.Clean which does not need to be there. This PR also sets the default AppURL for
the fuzzer too.

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: zeripath <art27@cantab.net>
2021-08-13 08:51:13 +03:00

52 lines
1.3 KiB
Go

// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
// +build gofuzz
package fuzz
import (
"bytes"
"io"
"code.gitea.io/gitea/modules/markup"
"code.gitea.io/gitea/modules/markup/markdown"
"code.gitea.io/gitea/modules/setting"
)
// Contains fuzzing functions executed by
// fuzzing engine https://github.com/dvyukov/go-fuzz
//
// The function must return 1 if the fuzzer should increase priority of the given input during subsequent fuzzing
// (for example, the input is lexically correct and was parsed successfully).
// -1 if the input must not be added to corpus even if gives new coverage and 0 otherwise.
var (
renderContext = markup.RenderContext{
URLPrefix: "https://example.com/go-gitea/gitea",
Metas: map[string]string{
"user": "go-gitea",
"repo": "gitea",
},
}
)
func FuzzMarkdownRenderRaw(data []byte) int {
setting.AppURL = "http://localhost:3000/"
err := markdown.RenderRaw(&renderContext, bytes.NewReader(data), io.Discard)
if err != nil {
return 0
}
return 1
}
func FuzzMarkupPostProcess(data []byte) int {
setting.AppURL = "http://localhost:3000/"
err := markup.PostProcess(&renderContext, bytes.NewReader(data), io.Discard)
if err != nil {
return 0
}
return 1
}