If remote server has been resolved to multiple addresses, at
least one connection attemt has been made and connection to
the last address was skipped by management - resolved earlier
link socket addrinfo objects will not be cleared neither on
instance close nor in the next connection entry loop.
This causes fatal error assert:
>REMOTE:openvpn.net,1194,udp
remote ACCEPT
SUCCESS: remote command succeeded
>REMOTE:openvpn.net,1194,udp
remote SKIP
SUCCESS: remote command succeeded
>FATAL:Assertion failed at init.c:504
(c->c1.link_socket_addr.current_remote == NULL)
Fix this behaviour by cleaning stale addinfo objects.
v2: better comment placement and too long length fix
Signed-off-by: Vladislav Grishenko
---
src/openvpn/init.c | 11 +++
1 file changed, 11 insertions(+)
diff --git a/src/openvpn/init.c b/src/openvpn/init.c
index a785934a..8fc79638 100644
--- a/src/openvpn/init.c
+++ b/src/openvpn/init.c
@@ -500,6 +500,17 @@ next_connection_entry(struct context *c)
*/
if (!c->options.persist_remote_ip)
{
+/* Connection entry addinfo objects might have been
resolved
+ * earlier but the entry itself might have been skipped by
+ * management on the previous loop.
+ * If so, clear the addrinfo objects as close_instance does
+ */
+if (c->c1.link_socket_addr.remote_list)
+{
+clear_remote_addrlist(>c1.link_socket_addr,
+ !c->options.resolve_in_advance);
+}
+
/* close_instance should have cleared the addrinfo objects
*/
ASSERT(c->c1.link_socket_addr.current_remote == NULL);
ASSERT(c->c1.link_socket_addr.remote_list == NULL);
--
2.17.1
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