OpenSSL: bump the minimum supported version to 1.1.1

We don't support 1.0 any more, and 1.1.0 has reached EOL.
Bump to 1.1.1 so we can freely use its APIs.

[ChangeLog][QtNetwork][SSL] The minimum required version
of OpenSSL is now 1.1.1.

Change-Id: I5cfb6672fadfa48aedaefbcd6a954aa9eb85bfa5
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/network/ssl/qsslsocket_openssl.cpp b/src/network/ssl/qsslsocket_openssl.cpp
index e197ce6515..9b28d52e21 100644
--- a/src/network/ssl/qsslsocket_openssl.cpp
+++ b/src/network/ssl/qsslsocket_openssl.cpp
@@ -1942,6 +1942,12 @@ bool QSslSocketPrivate::ensureLibraryLoaded()
         // Initialize OpenSSL.
         if (q_OPENSSL_init_ssl(0, nullptr) != 1)
             return false;
+
+        if (q_OpenSSL_version_num() < 0x10101000L) {
+            qCWarning(lcSsl, "QSslSocket: OpenSSL >= 1.1.1 is required; %s was found instead", q_OpenSSL_version(OPENSSL_VERSION));
+            return false;
+        }
+
         q_SSL_load_error_strings();
         q_OpenSSL_add_all_algorithms();