gosec/rules/httpoxy.go

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// (c) Copyright 2016 Hewlett Packard Enterprise Development LP
//
// 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 rules
import (
"go/ast"
"regexp"
gas "github.com/HewlettPackard/gas/core"
)
// Looks for "import net/http/cgi"
type HttpoxyTest struct {
gas.MetaData
pattern *regexp.Regexp
}
func (r *HttpoxyTest) Match(n ast.Node, c *gas.Context) (gi *gas.Issue, err error) {
if node, ok := n.(*ast.ImportSpec); ok {
if r.pattern.MatchString(node.Path.Value) {
return gas.NewIssue(c, n, r.What, r.Severity, r.Confidence), nil
}
}
return
}
func NewHttpoxyTest() (r gas.Rule, n ast.Node) {
r = &HttpoxyTest{
MetaData: gas.MetaData{
Severity: gas.High,
Confidence: gas.Low,
What: "Go code running under CGI is vulnerable to Httpoxy attack. (CVE-2016-5386)",
},
pattern: regexp.MustCompile("^\"net/http/cgi\"$"),
}
n = (*ast.ImportSpec)(nil)
return
}