gosec/rules/unsafe.go
Cosmin Cojocar 616520f44f
Update the list of unsafe functions detected by the unsafe rule (#1033)
Signed-off-by: Cosmin Cojocar <gcojocar@adobe.com>
2023-10-10 09:47:36 +02:00

54 lines
1.6 KiB
Go

// (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"
"github.com/securego/gosec/v2"
"github.com/securego/gosec/v2/issue"
)
type usingUnsafe struct {
issue.MetaData
pkg string
calls []string
}
func (r *usingUnsafe) ID() string {
return r.MetaData.ID
}
func (r *usingUnsafe) Match(n ast.Node, c *gosec.Context) (gi *issue.Issue, err error) {
if _, matches := gosec.MatchCallByPackage(n, c, r.pkg, r.calls...); matches {
return c.NewIssue(n, r.ID(), r.What, r.Severity, r.Confidence), nil
}
return nil, nil
}
// NewUsingUnsafe rule detects the use of the unsafe package. This is only
// really useful for auditing purposes.
func NewUsingUnsafe(id string, _ gosec.Config) (gosec.Rule, []ast.Node) {
return &usingUnsafe{
pkg: "unsafe",
calls: []string{"Pointer", "String", "StringData", "Slice", "SliceData"},
MetaData: issue.MetaData{
ID: id,
What: "Use of unsafe calls should be audited",
Severity: issue.Low,
Confidence: issue.High,
},
}, []ast.Node{(*ast.CallExpr)(nil)}
}