1 files changed, 70 insertions, 1 deletions
diff --git a/src/tls/tls_alert.cpp b/src/tls/tls_alert.cpp
index 63cac9d79..9d2b74aca 100644
--- a/src/tls/tls_alert.cpp
+++ b/src/tls/tls_alert.cpp
@@ -37,7 +37,76 @@ Alert::Alert(const MemoryRegion<byte>& buf)
 
 std::string Alert::type_string() const
    {
-   return "";
+   switch(type())
+      {
+      case CLOSE_NOTIFY:
+         return "close_notify";
+      case UNEXPECTED_MESSAGE:
+         return "unexpected_message";
+      case BAD_RECORD_MAC:
+         return "bad_record_mac";
+      case DECRYPTION_FAILED:
+         return "decryption_failed";
+      case RECORD_OVERFLOW:
+         return "record_overflow";
+      case DECOMPRESSION_FAILURE:
+         return "decompression_failure";
+      case HANDSHAKE_FAILURE:
+         return "handshake_failure";
+      case NO_CERTIFICATE:
+         return "no_certificate";
+      case BAD_CERTIFICATE:
+         return "bad_certificate";
+      case UNSUPPORTED_CERTIFICATE:
+         return "unsupported_certificate";
+      case CERTIFICATE_REVOKED:
+         return "certificate_revoked";
+      case CERTIFICATE_EXPIRED:
+         return "certificate_expired";
+      case CERTIFICATE_UNKNOWN:
+         return "certificate_unknown";
+      case ILLEGAL_PARAMETER:
+         return "illegal_parameter";
+      case UNKNOWN_CA:
+         return "unknown_ca";
+      case ACCESS_DENIED:
+         return "access_denied";
+      case DECODE_ERROR:
+         return "decode_error";
+      case DECRYPT_ERROR:
+         return "decrypt_error";
+      case EXPORT_RESTRICTION:
+         return "export_restriction";
+      case PROTOCOL_VERSION:
+         return "protocol_version";
+      case INSUFFICIENT_SECURITY:
+         return "insufficient_security";
+      case INTERNAL_ERROR:
+         return "internal_error";
+      case USER_CANCELED:
+         return "user_canceled";
+      case NO_RENEGOTIATION:
+         return "no_renegotiation";
+
+      case UNSUPPORTED_EXTENSION:
+         return "unsupported_extension";
+      case UNRECOGNIZED_NAME:
+         return "unrecognized_name";
+
+      case UNKNOWN_PSK_IDENTITY:
+         return "unknown_psk_identity";
+
+      case NULL_ALERT:
+         return "";
+      }
+
+   /*
+   * This is effectively the default case for the switch above, but we
+   * leave it out so that when an alert type is added to the enum the
+   * compiler can warn us that it is not included in the switch
+   * statement.
+   */
+   return "unrecognized_alert_" + to_string(type());
    }