geomyidae

commit d7ed711f28717554c22cdd8efc620524268760a0
parent 05ca154290d4cde25b629122f0ba36d43442ed62
Author: Christoph Lohmann <20h@r-36.net>
Date:   Sun,  7 Jun 2020 22:39:58 +0200

Add some help for TLS clients, in case we only serve plaintext.

Diffstat:
main.c
 | 
18
+++++++++++++++++-

1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/main.c b/main.c
@@ -777,7 +777,23 @@ main(int argc, char *argv[])
 				if (tls_handshake(tlsclientctx) < 0)
 					return 1;
 			}
-#endif /* ENABLE_TLS */
+#else /* ENABLE_TLS */
+			/*
+			 * Some TLS request. Help them determine we only
+			 * serve plaintext.
+			 */
+			if (byte0 == 0x16) {
+				if (loglvl & CONN) {
+					logentry(clienth, clientp, "-",
+							"disconnected");
+				}
+
+				shutdown(sock, SHUT_RDWR);
+				close(sock);
+
+				return 1;
+			}
+#endif
 
 			maxrecv = sizeof(recvb) - 1;
 			do {