mirror of
https://github.com/securego/gosec.git
synced 2024-12-27 04:55:53 +00:00
6943f9e5e4
- Get rid of 'core' and move CLI to cmd/gas directory - Migrate (most) tests to use Ginkgo and testutils framework - GAS now expects package to reside in $GOPATH - GAS now can resolve dependencies for better type checking (if package on GOPATH) - Simplified public API
52 lines
1.5 KiB
Go
52 lines
1.5 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 (
|
|
"fmt"
|
|
"go/ast"
|
|
|
|
"github.com/GoASTScanner/gas"
|
|
)
|
|
|
|
type WeakKeyStrength struct {
|
|
gas.MetaData
|
|
calls gas.CallList
|
|
bits int
|
|
}
|
|
|
|
func (w *WeakKeyStrength) Match(n ast.Node, c *gas.Context) (*gas.Issue, error) {
|
|
if callExpr := w.calls.ContainsCallExpr(n, c); callExpr != nil {
|
|
if bits, err := gas.GetInt(callExpr.Args[1]); err == nil && bits < (int64)(w.bits) {
|
|
return gas.NewIssue(c, n, w.What, w.Severity, w.Confidence), nil
|
|
}
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
func NewWeakKeyStrength(conf gas.Config) (gas.Rule, []ast.Node) {
|
|
calls := gas.NewCallList()
|
|
calls.Add("rsa", "GenerateKey")
|
|
bits := 2048
|
|
return &WeakKeyStrength{
|
|
calls: calls,
|
|
bits: bits,
|
|
MetaData: gas.MetaData{
|
|
Severity: gas.Medium,
|
|
Confidence: gas.High,
|
|
What: fmt.Sprintf("RSA keys should be at least %d bits", bits),
|
|
},
|
|
}, []ast.Node{(*ast.CallExpr)(nil)}
|
|
}
|