Detect isolation only vserver networking. New variable - VSERVER_ISOLATION_NET.

[projects/rc-scripts.git] / rc.d / init.d / functions

diff --git a/rc.d/init.d/functions b/rc.d/init.d/functions
index deba115e5f750e381377cb19e97187e05502bbdb..47de4a3a9cd89cb2395dd6fa5c24e5f78e14462a 100644 (file)
--- a/rc.d/init.d/functions
+++ b/rc.d/init.d/functions
@@ -73,6 +73,22 @@ if [ -z "$VSERVER" -o "$VSERVER" = "detect" ]; then
        unset _f _ctx
 fi
 
+# VSERVER_ISOLATION_NET = isolation only inside of vserver guests
+if [ -z "$VSERVER_ISOLATION_NET" -o "$VSERVER_ISOLATION_NET" = "detect" ]; then
+       VSERVER_ISOLATION_NET=no
+       if [ "$VSERVER" = "yes" ]; then
+               {
+                       while read _t _data; do
+                               [ "$_t" = "net:" ] && break
+                       done < /proc/self/nsproxy
+               } 2> /dev/null
+               if [ "${_data##*\(}" = "I)" ]; then
+                       VSERVER_ISOLATION_NET=yes
+               fi
+               unset _f _data
+       fi
+fi
+
 # we need to know in functions if we were called from a terminal
 if [ -z "$ISATTY" ]; then
        [ -t ] && ISATTY=yes || ISATTY=no