+ local global_c2s = rawgetopt("*", "c2s_ssl") or NULL;
+ local parent_c2s = rawgetopt(parent, "c2s_ssl") or NULL;
+ local host_c2s = rawgetopt(modhost, "c2s_ssl") or parent_c2s;
+
+ local global_s2s = rawgetopt("*", "s2s_ssl") or NULL;
+ local parent_s2s = rawgetopt(parent, "s2s_ssl") or NULL;
+ local host_s2s = rawgetopt(modhost, "s2s_ssl") or parent_s2s;
+
+ ssl_ctx_c2s, err, ssl_cfg_c2s = create_context(host.host, "server", host_c2s, host_ssl, global_c2s); -- for incoming client connections
+ if not ssl_ctx_c2s then module:log("error", "Error creating context for c2s: %s", err); end
+
+ ssl_ctx_s2sout, err, ssl_cfg_s2sout = create_context(host.host, "client", host_s2s, host_ssl, global_s2s); -- for outgoing server connections
+ if not ssl_ctx_s2sout then module:log("error", "Error creating contexts for s2sout: %s", err); end
+
+ ssl_ctx_s2sin, err, ssl_cfg_s2sin = create_context(host.host, "server", host_s2s, host_ssl, global_s2s); -- for incoming server connections
+ if not ssl_ctx_s2sin then module:log("error", "Error creating contexts for s2sin: %s", err); end
+end
+
+local function can_do_tls(session)
+ if session.ssl_ctx == false or not session.conn.starttls then
+ return false;
+ elseif session.ssl_ctx then
+ return true;
+ end
+ if session.type == "c2s_unauthed" then
+ session.ssl_ctx = ssl_ctx_c2s;
+ session.ssl_cfg = ssl_cfg_c2s;
+ elseif session.type == "s2sin_unauthed" and allow_s2s_tls then
+ session.ssl_ctx = ssl_ctx_s2sin;
+ session.ssl_cfg = ssl_cfg_s2sin;
+ elseif session.direction == "outgoing" and allow_s2s_tls then
+ session.ssl_ctx = ssl_ctx_s2sout;
+ session.ssl_cfg = ssl_cfg_s2sout;
+ else
+ return false;
+ end
+ return session.ssl_ctx;
+end