Attention is currently required from: flichtenheld.

Hello flichtenheld,

I'd like you to do a code review.
Please visit

    http://gerrit.openvpn.net/c/openvpn/+/891?usp=email

to review the following change.


Change subject: Reconnect when TCP is on use on network-change management 
command
......................................................................

Reconnect when TCP is on use on network-change management command

On some newer Android handsets, changing to a different network
often does not trigger a TCP reset but continues using the old
connection (e.g. using mobile connection when WiFi becomes available)

Force a reconnect in these situation to have a more expected beheaviour.

Change-Id: Id4febcceecab33ee5189cd67b249a15d12b84799
Signed-off-by: Arne Schwabe <a...@rfc2549.org>
---
M src/openvpn/init.c
1 file changed, 9 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.openvpn.net:29418/openvpn refs/changes/91/891/1

diff --git a/src/openvpn/init.c b/src/openvpn/init.c
index a7f7db4..b5eeeb8 100644
--- a/src/openvpn/init.c
+++ b/src/openvpn/init.c
@@ -4390,6 +4390,15 @@
         return -1;
     }

+    /* On some newer Android handsets, changing to a different network
+     * often does not trigger a TCP reset but continue using the old
+     * connection (e.g. using mobile connection when WiFi becomes available */
+    struct link_socket_info *lsi = get_link_socket_info(c);
+    if (lsi && proto_is_tcp(lsi->proto) && !samenetwork)
+    {
+       return -2;
+    }
+
     socketfd = c->c2.link_sockets[0]->sd;
     if (!c->options.pull || c->c2.tls_multi->use_peer_id || samenetwork)
     {

--
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Gerrit-Project: openvpn
Gerrit-Branch: master
Gerrit-Change-Id: Id4febcceecab33ee5189cd67b249a15d12b84799
Gerrit-Change-Number: 891
Gerrit-PatchSet: 1
Gerrit-Owner: plaisthos <arne-open...@rfc2549.org>
Gerrit-Reviewer: flichtenheld <fr...@lichtenheld.com>
Gerrit-CC: openvpn-devel <openvpn-devel@lists.sourceforge.net>
Gerrit-Attention: flichtenheld <fr...@lichtenheld.com>
Gerrit-MessageType: newchange
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