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fix: WriteParams rule to work also with golang 1.16 #577

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merged 1 commit into from Feb 22, 2021
Merged

fix: WriteParams rule to work also with golang 1.16 #577

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18 changes: 10 additions & 8 deletions rules/fileperms.go
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Expand Up @@ -25,7 +25,7 @@ import (
type filePermissions struct {
gosec.MetaData
mode int64
pkg string
pkgs []string
calls []string
}

Expand All @@ -51,10 +51,12 @@ func getConfiguredMode(conf map[string]interface{}, configKey string, defaultMod
}

func (r *filePermissions) Match(n ast.Node, c *gosec.Context) (*gosec.Issue, error) {
if callexpr, matched := gosec.MatchCallByPackage(n, c, r.pkg, r.calls...); matched {
modeArg := callexpr.Args[len(callexpr.Args)-1]
if mode, err := gosec.GetInt(modeArg); err == nil && mode > r.mode {
return gosec.NewIssue(c, n, r.ID(), r.What, r.Severity, r.Confidence), nil
for _, pkg := range r.pkgs {
if callexpr, matched := gosec.MatchCallByPackage(n, c, pkg, r.calls...); matched {
modeArg := callexpr.Args[len(callexpr.Args)-1]
if mode, err := gosec.GetInt(modeArg); err == nil && mode > r.mode {
return gosec.NewIssue(c, n, r.ID(), r.What, r.Severity, r.Confidence), nil
}
}
}
return nil, nil
Expand All @@ -65,7 +67,7 @@ func NewWritePerms(id string, conf gosec.Config) (gosec.Rule, []ast.Node) {
mode := getConfiguredMode(conf, "G306", 0600)
return &filePermissions{
mode: mode,
pkg: "io/ioutil",
pkgs: []string{"io/ioutil", "os"},
calls: []string{"WriteFile"},
MetaData: gosec.MetaData{
ID: id,
Expand All @@ -82,7 +84,7 @@ func NewFilePerms(id string, conf gosec.Config) (gosec.Rule, []ast.Node) {
mode := getConfiguredMode(conf, "G302", 0600)
return &filePermissions{
mode: mode,
pkg: "os",
pkgs: []string{"os"},
calls: []string{"OpenFile", "Chmod"},
MetaData: gosec.MetaData{
ID: id,
Expand All @@ -99,7 +101,7 @@ func NewMkdirPerms(id string, conf gosec.Config) (gosec.Rule, []ast.Node) {
mode := getConfiguredMode(conf, "G301", 0750)
return &filePermissions{
mode: mode,
pkg: "os",
pkgs: []string{"os"},
calls: []string{"Mkdir", "MkdirAll"},
MetaData: gosec.MetaData{
ID: id,
Expand Down