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mirror of https://github.com/go-gitea/gitea.git synced 2024-10-29 08:17:31 -04:00
gitea/tools/fuzz.go
zeripath 1a1ce9b721
Fuzzer finds an NPE due to incorrect URLPrefix (#16249)
The Fuzzer is running on a non-repo urlprefix which is incorrect for RenderRaw

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

Co-authored-by: 6543 <6543@obermui.de>
2021-06-25 14:14:49 -04:00

49 lines
1.2 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"
)
// 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 {
err := markdown.RenderRaw(&renderContext, bytes.NewReader(data), io.Discard)
if err != nil {
return 0
}
return 1
}
func FuzzMarkupPostProcess(data []byte) int {
err := markup.PostProcess(&renderContext, bytes.NewReader(data), io.Discard)
if err != nil {
return 0
}
return 1
}