Fix additional crash condition

A var GenDecl may not have a value assigned. This error case must be
handled.
This commit is contained in:
Grant Murphy 2016-11-14 15:15:17 -08:00
parent 5012c34d48
commit c7bb2dd3b7
2 changed files with 14 additions and 1 deletions

View file

@ -58,7 +58,7 @@ func (r *Credentials) matchGenDecl(decl *ast.GenDecl, ctx *gas.Context) (*gas.Is
for _, spec := range decl.Specs {
if valueSpec, ok := spec.(*ast.ValueSpec); ok {
for index, ident := range valueSpec.Names {
if r.pattern.MatchString(ident.Name) {
if r.pattern.MatchString(ident.Name) && valueSpec.Values != nil {
// const foo, bar = "same value"
if len(valueSpec.Values) <= index {
index = len(valueSpec.Values) - 1

View file

@ -98,3 +98,16 @@ func TestHardcodedConstantMulti(t *testing.T) {
checkTestResults(t, issues, 1, "Potential hardcoded credentials")
}
func TestHardecodedVarsNotAssigned(t *testing.T) {
config := map[string]interface{}{"ignoreNosec": false}
analyzer := gas.NewAnalyzer(config, nil)
analyzer.AddRule(NewHardcodedCredentials(config))
issues := gasTestRunner(`
package main
var password string
func init() {
password = "this is a secret string"
}`, analyzer)
checkTestResults(t, issues, 1, "Potential hardcoded credentials")
}