don't touch network configuration on remote rootfs

diff --git a/lib/python/Components/Network.py b/lib/python/Components/Network.py
index 5f7095c4078eeaec9541ff13c47d4c143ccdfb00..31a90282c3d1e35279850ced51625eeae7c717a8 100755 (executable)
--- a/lib/python/Components/Network.py
+++ b/lib/python/Components/Network.py
@@ -27,6 +27,16 @@ class Network:
                self.config_ready = None
                self.getInterfaces()
 
+       def onRemoteRootFS(self):
+               fp = file('/proc/mounts', 'r')
+               mounts = fp.readlines()
+               fp.close()
+               for line in mounts:
+                       parts = line.strip().split(' ')
+                       if parts[1] == '/' and (parts[2] == 'nfs' or parts[2] == 'smbfs'):
+                               return True
+               return False
+
        def getInterfaces(self, callback = None):
                devicesPattern = re_compile('[a-z]+[0-9]+')
                self.configuredInterfaces = []
@@ -253,6 +263,10 @@ class Network:
                print "nameservers:", self.nameservers
 
        def deactivateNetworkConfig(self, callback = None):
+               if self.onRemoteRootFS():
+                       if callback is not None:
+                               callback(True)
+                       return
                self.deactivateConsole = Console()
                self.commands = []
                self.commands.append("/etc/init.d/avahi-daemon stop")
@@ -271,6 +285,10 @@ class Network:
                                callback(True)
 
        def activateNetworkConfig(self, callback = None):
+               if self.onRemoteRootFS():
+                       if callback is not None:
+                               callback(True)
+                       return
                self.activateConsole = Console()
                self.commands = []
                self.commands.append("/etc/init.d/networking start")
@@ -344,6 +362,10 @@ class Network:
                                        self.nameservers[i] = newnameserver
 
        def resetNetworkConfig(self, mode='lan', callback = None):
+               if self.onRemoteRootFS():
+                       if callback is not None:
+                               callback(True)
+                       return
                self.resetNetworkConsole = Console()
                self.commands = []
                self.commands.append("/etc/init.d/avahi-daemon stop")
@@ -422,6 +444,10 @@ class Network:
                                        statecallback(self.NetworkState)
                
        def restartNetwork(self,callback = None):
+               if self.onRemoteRootFS():
+                       if callback is not None:
+                               callback(True)
+                       return
                self.restartConsole = Console()
                self.config_ready = False
                self.msgPlugins()
@@ -515,6 +541,10 @@ class Network:
                                        statecallback(self.DnsState)
 
        def deactivateInterface(self,iface,callback = None):
+               if self.onRemoteRootFS():
+                       if callback is not None:
+                               callback(True)
+                       return
                self.deactivateInterfaceConsole = Console()
                self.commands = []
                cmd1 = "ip addr flush " + iface