mirror of
https://github.com/securego/gosec.git
synced 2024-11-05 11:35:51 +00:00
9a4a741e6b
* Rule G406 responsible for the usage of deprecated MD4 and RIPEMD160 added. * Rules G506, G507 responsible for tracking the usage of the already mentioned libraries added. * Slight changes in the Makefile(`make clean` wasn't removing all expected files) * Added license to `analyzer_test.go`
57 lines
1.8 KiB
Go
57 lines
1.8 KiB
Go
// (c) Copyright 2024 Mercedes-Benz Tech Innovation GmbH
|
|
//
|
|
// 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 usesWeakDeprecatedCryptographyHash struct {
|
|
issue.MetaData
|
|
blocklist map[string][]string
|
|
}
|
|
|
|
func (r *usesWeakDeprecatedCryptographyHash) ID() string {
|
|
return r.MetaData.ID
|
|
}
|
|
|
|
func (r *usesWeakDeprecatedCryptographyHash) Match(n ast.Node, c *gosec.Context) (*issue.Issue, error) {
|
|
for pkg, funcs := range r.blocklist {
|
|
if _, matched := gosec.MatchCallByPackage(n, c, pkg, funcs...); matched {
|
|
return c.NewIssue(n, r.ID(), r.What, r.Severity, r.Confidence), nil
|
|
}
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
// NewUsesWeakCryptographyHash detects uses of md4.New, ripemd160.New
|
|
func NewUsesWeakDeprecatedCryptographyHash(id string, _ gosec.Config) (gosec.Rule, []ast.Node) {
|
|
calls := make(map[string][]string)
|
|
calls["golang.org/x/crypto/md4"] = []string{"New"}
|
|
calls["golang.org/x/crypto/ripemd160"] = []string{"New"}
|
|
rule := &usesWeakDeprecatedCryptographyHash{
|
|
blocklist: calls,
|
|
MetaData: issue.MetaData{
|
|
ID: id,
|
|
Severity: issue.Medium,
|
|
Confidence: issue.High,
|
|
What: "Use of deprecated weak cryptographic primitive",
|
|
},
|
|
}
|
|
return rule, []ast.Node{(*ast.CallExpr)(nil)}
|
|
}
|