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ignoreCN disables interpreting PrintableString as ASN.1. See issue 21339

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hysios 2021-04-01 21:12:14 +08:00 committed by GitHub
parent e6ac2df2b1
commit 15910b851b
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1 changed files with 4 additions and 1 deletions
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5
src/encoding/asn1/asn1.go
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@ -31,6 +31,9 @@ import (
"unicode/utf8"
)
// ignoreCN disables interpreting PrintableString as ASN.1 See issue 21339
var ignoreCN = !strings.Contains(os.Getenv("GODEBUG"), "x509ignoreCN=0")
// A StructuralError suggests that the ASN.1 data is valid, but the Go type
// which is receiving it doesn't match.
type StructuralError struct {
@ -404,7 +407,7 @@ func isNumeric(b byte) bool {
// array and returns it.
func parsePrintableString(bytes []byte) (ret string, err error) {
for _, b := range bytes {
if !isPrintable(b, allowAsterisk, allowAmpersand) {
if !ignoreCN && !isPrintable(b, allowAsterisk, allowAmpersand) {
err = SyntaxError{"PrintableString contains invalid character"}
return
}