detect unsupported versions when parsing version negotiation packet

2016-12-02 15:19:19 +07:00
parent 5b97f0550c
commit d37380b7a5
3 changed files with 47 additions and 9 deletions
--- a/public_header.go
+++ b/public_header.go
@@ -187,7 +187,11 @@ func ParsePublicHeader(b io.ByteReader, packetSentBy protocol.Perspective) (*Pub
 					if err != nil {
 						break
 					}
-					header.SupportedVersions = append(header.SupportedVersions, protocol.VersionTagToNumber(versionTag))
+					v := protocol.VersionTagToNumber(versionTag)
+					if !protocol.IsSupportedVersion(v) {
+						v = protocol.VersionUnsupported
+					}
+					header.SupportedVersions = append(header.SupportedVersions, v)
 				}
 			}
 		}