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feat: add os.ReadFile to G304 (#706)

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In Go 1.16 or higher, the `io/ioutil` has been deprecated and the
`ioutil.ReadFile` function now calls `os.ReadFile`.

Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
This commit is contained in:
Eng Zer Jun 2021-10-14 15:53:26 +08:00 committed by GitHub
parent 991dd94f3a
commit 7fd4aef9dc
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2 changed files with 17 additions and 0 deletions
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1
rules/readfile.go
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@ -122,6 +122,7 @@ func NewReadFile(id string, conf gosec.Config) (gosec.Rule, []ast.Node) {
rule.clean.Add("path/filepath", "Clean")
rule.clean.Add("path/filepath", "Rel")
rule.Add("io/ioutil", "ReadFile")
rule.Add("os", "ReadFile")
rule.Add("os", "Open")
rule.Add("os", "OpenFile")
return rule, []ast.Node{(*ast.CallExpr)(nil)}

16
testutils/source.go
View file

@ -1787,6 +1787,22 @@ func main() {
}`}, 1, gosec.NewConfig()}, {[]string{`
package main
import (
"os"
"log"
)
func main() {
f := os.Getenv("tainted_file")
body, err := os.ReadFile(f)
if err != nil {
log.Printf("Error: %v\n", err)
}
log.Print(body)
}`}, 1, gosec.NewConfig()}, {[]string{`
package main
import (
"fmt"
"log"