miniupnpd: use time for BOOTID.UPNP.ORG value

miniupnpd/Changelog.txt

@@ -3,6 +3,7 @@ $Id: Changelog.txt,v 1.394 2014/12/10 09:33:24 nanard Exp $
 2014/12/10:
   Checking Host: HTTP request header to prevent DNS rebinding attack
   configurable BOOTID.UPNP.ORG SSDP header
+  use time for BOOTID.UPNP.ORG value
 
 2014/12/09:
   fix upnp_add_inboundpinhole() : check inet_pton() return

miniupnpd/genconfig.sh

@@ -1,5 +1,5 @@
 #! /bin/sh
-# $Id: genconfig.sh,v 1.77 2014/12/04 10:21:33 nanard Exp $
+# $Id: genconfig.sh,v 1.78 2014/12/10 09:34:42 nanard Exp $
 # miniupnp daemon
 # http://miniupnp.free.fr or http://miniupnp.tuxfamily.org/
 # (c) 2006-2014 Thomas Bernard
@@ -518,6 +518,12 @@ cat >> ${CONFIGFILE} <<EOF
 
 EOF
 
+cat >> ${CONFIGFILE} <<EOF
+/* Uncomment the following line if your device does not have a proper clock
+ * BOOTID.UPNP.ORG can be set with command line */
+#define USE_TIME_AS_BOOTID
+EOF
+
 echo "#endif /* ${CONFIGMACRO} */" >> ${CONFIGFILE}
 
 ${MV} ${CONFIGFILE} ${CONFIGFILE_FINAL}

miniupnpd/miniupnpd.c

@@ -599,6 +599,16 @@ static void
 set_startup_time(int sysuptime)
 {
 	startup_time = time(NULL);
+#ifdef USE_TIME_AS_BOOTID
+	if(startup_time > 60*60*24 && upnp_bootid == 1) {
+		/* We know we are not January the 1st 1970 */
+		upnp_bootid = (unsigned int)startup_time;
+		/* from UDA v1.1 :
+		 * A convenient mechanism is to set this field value to the time
+		 * that the device sends its initial announcement, expressed as
+		 * seconds elapsed since midnight January 1, 1970; */
+	}
+#endif /* USE_TIME_AS_BOOTID */
 	if(sysuptime)
 	{
 		/* use system uptime instead of daemon uptime */