// for security, only the exported fields.
case types.TSTRUCT:
fields := t.Fields().Slice()
+
+ // omitFieldForAwfulBoringCryptoKludge reports whether
+ // the field t should be omitted from the reflect data.
+ // In the crypto/... packages we omit an unexported field
+ // named "boring", to keep from breaking client code that
+ // expects rsa.PublicKey etc to have only public fields.
+ // As the name suggests, this is an awful kludge, but it is
+ // limited to the dev.boringcrypto branch and avoids
+ // much more invasive effects elsewhere.
+ omitFieldForAwfulBoringCryptoKludge := func(t *types.Field) bool {
+ if t.Sym == nil || t.Sym.Name != "boring" || t.Sym.Pkg == nil {
+ return false
+ }
+ path := t.Sym.Pkg.Path
+ if t.Sym.Pkg == types.LocalPkg {
+ path = base.Ctxt.Pkgpath
+ }
+ return strings.HasPrefix(path, "crypto/")
+ }
+ newFields := fields[:0:0]
+ for _, t1 := range fields {
+ if !omitFieldForAwfulBoringCryptoKludge(t1) {
+ newFields = append(newFields, t1)
+ }
+ }
+ fields = newFields
+
for _, t1 := range fields {
writeType(t1.Type)
}