mirror of
https://github.com/securego/gosec.git
synced 2024-12-26 04:25:52 +00:00
713949fe69
This makes the following changes: - riles are identified by an ID - include / exclude list now work - rules are selected based on these lists - blacklist rules are broken out into methods - rule constructors now take the config map - config file can be used to select rules - CLI options embelish config selection options
68 lines
1.9 KiB
Go
68 lines
1.9 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"
|
|
"regexp"
|
|
|
|
gas "github.com/HewlettPackard/gas/core"
|
|
)
|
|
|
|
type FilePermissions struct {
|
|
gas.MetaData
|
|
pattern *regexp.Regexp
|
|
mode int64
|
|
}
|
|
|
|
func (r *FilePermissions) Match(n ast.Node, c *gas.Context) (*gas.Issue, error) {
|
|
if node := gas.MatchCall(n, r.pattern); node != nil {
|
|
if val, err := gas.GetInt(node.Args[1]); err == nil && val > r.mode {
|
|
return gas.NewIssue(c, n, r.What, r.Severity, r.Confidence), nil
|
|
}
|
|
}
|
|
return nil, nil
|
|
}
|
|
|
|
func NewChmodPerms(conf map[string]interface{}) (r gas.Rule, n ast.Node) {
|
|
mode := 0600
|
|
r = &FilePermissions{
|
|
pattern: regexp.MustCompile(`^os\.Chmod$`),
|
|
mode: (int64)(mode),
|
|
MetaData: gas.MetaData{
|
|
Severity: gas.Medium,
|
|
Confidence: gas.High,
|
|
What: fmt.Sprintf("Expect chmod permissions to be %#o or less", mode),
|
|
},
|
|
}
|
|
n = (*ast.CallExpr)(nil)
|
|
return
|
|
}
|
|
|
|
func NewMkdirPerms(conf map[string]interface{}) (r gas.Rule, n ast.Node) {
|
|
mode := 0700
|
|
r = &FilePermissions{
|
|
pattern: regexp.MustCompile(`^(os\.Mkdir|os\.MkdirAll)$`),
|
|
mode: (int64)(mode),
|
|
MetaData: gas.MetaData{
|
|
Severity: gas.Medium,
|
|
Confidence: gas.High,
|
|
What: fmt.Sprintf("Expect directory permissions to be %#o or less", mode),
|
|
},
|
|
}
|
|
n = (*ast.CallExpr)(nil)
|
|
return
|
|
}
|