tidb analysis 源码
tidb analysis 代码
文件路径：/build/linter/gosec/analysis.go
// Copyright 2022 PingCAP, Inc.
//
// 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.
package gosec
import (
"fmt"
"go/token"
"go/types"
"io/ioutil"
"log"
"strconv"
"github.com/golangci/golangci-lint/pkg/result"
"github.com/golangci/gosec"
"github.com/golangci/gosec/rules"
"github.com/pingcap/tidb/build/linter/util"
"golang.org/x/tools/go/analysis"
"golang.org/x/tools/go/loader"
)
// Name is the name of the analyzer.
const Name = "gosec"
// Analyzer is the analyzer struct of gosec.
var Analyzer = &analysis.Analyzer{
Name: Name,
Doc: "Inspects source code for security problems",
Run: run,
}
func init() {
util.SkipAnalyzer(Analyzer)
}
func run(pass *analysis.Pass) (interface{}, error) {
gasConfig := gosec.NewConfig()
enabledRules := rules.Generate(func(id string) bool {
if id == "G104" || id == "G103" || id == "G101" || id == "G201" {
return true
}
return false
})
logger := log.New(ioutil.Discard, "", 0)
analyzer := gosec.NewAnalyzer(gasConfig, logger)
analyzer.LoadRules(enabledRules.Builders())
var createdPkgs []*loader.PackageInfo
createdPkgs = append(createdPkgs, util.MakeFakeLoaderPackageInfo(pass))
allPkgs := make(map[*types.Package]*loader.PackageInfo)
for _, pkg := range createdPkgs {
pkg := pkg
allPkgs[pkg.Pkg] = pkg
}
prog := &loader.Program{
Fset: pass.Fset,
Imported: nil, // not used without .Created in any linter
Created: createdPkgs, // all initial packages
AllPackages: allPkgs, // all initial packages and their depndencies
}
analyzer.ProcessProgram(prog)
issues, _ := analyzer.Report()
if len(issues) == 0 {
return nil, nil
}
severity, confidence := gosec.Low, gosec.Low
issues = filterIssues(issues, severity, confidence)
for _, i := range issues {
fileContent, tf, err := util.ReadFile(pass.Fset, i.File)
if err != nil {
panic(err)
}
text := fmt.Sprintf("[%s] %s: %s", Name, i.RuleID, i.What) // TODO: use severity and confidence
var r *result.Range
line, err := strconv.Atoi(i.Line)
if err != nil {
r = &result.Range{}
if n, rerr := fmt.Sscanf(i.Line, "%d-%d", &r.From, &r.To); rerr != nil || n != 2 {
continue
}
line = r.From
}
pass.Reportf(token.Pos(tf.Base()+util.FindOffset(string(fileContent), line, 1)), text)
}
return nil, nil
}
func filterIssues(issues []*gosec.Issue, severity, confidence gosec.Score) []*gosec.Issue {
res := make([]*gosec.Issue, 0)
for _, issue := range issues {
if issue.Severity >= severity && issue.Confidence >= confidence {
res = append(res, issue)
}
}
return res
}
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