Do not support tls_ctx_set_cert_profile on AWS-LC

SSL_CTX_set_security_level does nothing on AWS-LC and gives a deprecated
warning on compile. It is better to give the user a warning than to
effectively silently ignore it as well.

Change-Id: I74841d3611c62d3c59fc839bc73a0c83ce025262
Signed-off-by: Arne Schwabe <arne@rfc2549.org>
Acked-by: Frank Lichtenheld <frank@lichtenheld.com>
Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1579
Message-Id: <20260322111207.8346-1-gert@greenie.muc.de>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg36243.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>
(cherry picked from commit 07954ee)

Author: schwabe

src/openvpn/ssl_openssl.c

@@ -518,8 +518,9 @@ tls_ctx_restrict_ciphers_tls13(struct tls_root_ctx *ctx, const char *ciphers)
 void
 tls_ctx_set_cert_profile(struct tls_root_ctx *ctx, const char *profile)
 {
-#if OPENSSL_VERSION_NUMBER > 0x10100000L \
-    && (!defined(LIBRESSL_VERSION_NUMBER) || LIBRESSL_VERSION_NUMBER > 0x3060000fL)
+#if OPENSSL_VERSION_NUMBER > 0x10100000L                                            \
+    && (!defined(LIBRESSL_VERSION_NUMBER) || LIBRESSL_VERSION_NUMBER > 0x3060000fL) \
+    && !defined(OPENSSL_IS_AWSLC)
     /* OpenSSL does not have certificate profiles, but a complex set of
      * callbacks that we could try to implement to achieve something similar.
      * For now, use OpenSSL's security levels to achieve similar (but not equal)
@@ -549,8 +550,8 @@ tls_ctx_set_cert_profile(struct tls_root_ctx *ctx, const char *profile)
     if (profile)
     {
         msg(M_WARN,
-            "WARNING: OpenSSL 1.1.0 and LibreSSL do not support "
-            "--tls-cert-profile, ignoring user-set profile: '%s'",
+            "WARNING: OpenSSL 1.1.0, AWS-LC and LibreSSL < 3.6.0 do not "
+            "support --tls-cert-profile, ignoring user-set profile: '%s'",
             profile);
     }
 #endif /* if OPENSSL_VERSION_NUMBER > 0x10100000L */