Log the actual management interface port in use

When the port is specified as zero, log the actual port
bound to, instead of 0.

Signed-off-by: Selva Nair <selva.nair@gmail.com>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <20220630190549.16675-1-selva.nair@gmail.com>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg24617.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>

diff --git a/src/openvpn/manage.c b/src/openvpn/manage.c
index 19e44221327e96b02d99b366cf6a5a3ffac12953..42e639fdbc1299b8fca3345675412b4735dd0144 100644 (file)
--- a/src/openvpn/manage.c
+++ b/src/openvpn/manage.c
@@ -1788,8 +1788,22 @@ man_listen(struct management *man)
         }
         else
 #endif
-        msg(D_MANAGEMENT, "MANAGEMENT: TCP Socket listening on %s",
-            print_sockaddr(man->settings.local->ai_addr, &gc));
+        {
+            const struct sockaddr *man_addr = man->settings.local->ai_addr;
+            struct sockaddr_storage addr;
+            socklen_t addrlen = sizeof(addr);
+            if (!getsockname(man->connection.sd_top, (struct sockaddr *) &addr, &addrlen))
+            {
+                man_addr = (struct sockaddr *) &addr;
+            }
+            else
+            {
+                msg(M_WARN|M_ERRNO,
+                    "Failed to get the management socket address");
+            }
+            msg(D_MANAGEMENT, "MANAGEMENT: TCP Socket listening on %s",
+                print_sockaddr(man_addr, &gc));
+        }
     }
 
 #ifdef _WIN32