From: Gert Doering <gert@...1296...>
Date: Mon,  7 Nov 2016 11:50:52 +0100
Message-Id: <1478515852-17381-1-git-send-email-gert@...1296...>
Subject: [Openvpn-devel] [PATCH] openvpn version line: remove [IPv6],
	add [AEAD] if available
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Printing [IPv6] is no longer relevant information, as IPv6 support
is always build in.  So, "2.4 = has IPv6, always".

[AEAD] is relevant information, as the underlying SSL library might
be too old to have support for it (OpenSSL 0.9.x) and this eases
figuring out why NCP is not upgrading a connection to AES-256-GCM.

Trac #762

Signed-off-by: Gert Doering <gert@...1296...>
---
 src/openvpn/options.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/openvpn/options.c b/src/openvpn/options.c
index 552bf5a..5a5e7ef 100644
--- a/src/openvpn/options.c
+++ b/src/openvpn/options.c
@@ -103,7 +103,9 @@ const char title_string[] =
   " [MH/RECVDA]"
 # endif
 #endif
-  " [IPv6]"
+#ifdef HAVE_AEAD_CIPHER_MODES
+  " [AEAD]"
+#endif
   " built on " __DATE__
 ;
 
-- 
2.7.3