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-rw-r--r--crypto/openssl/ssl/ssl_conf.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/crypto/openssl/ssl/ssl_conf.c b/crypto/openssl/ssl/ssl_conf.c
index 8ef29bb34535..0a3fef7c8c14 100644
--- a/crypto/openssl/ssl/ssl_conf.c
+++ b/crypto/openssl/ssl/ssl_conf.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2012-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2012-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
@@ -305,6 +305,13 @@ static int protocol_from_string(const char *value)
const char *name;
int version;
};
+ /*
+ * Note: To avoid breaking previously valid configurations, we must retain
+ * legacy entries in this table even if the underlying protocol is no
+ * longer supported. This also means that the constants SSL3_VERSION, ...
+ * need to be retained indefinitely. This table can only grow, never
+ * shrink.
+ */
static const struct protocol_versions versions[] = {
{"None", 0},
{"SSLv3", SSL3_VERSION},