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Valid file magic when restoring a domain from saved image

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This commit is contained in:
Daniel P. Berrange
2006-11-13 18:15:41 -05:00
parent e01bffd0a6
commit 5782f3271e
1 changed files with 24 additions and 5 deletions
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29
src/virtManager/manager.py
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@@ -197,11 +197,20 @@ class vmmManager(gobject.GObject):
self.fcdialog.hide()
if(response == gtk.RESPONSE_ACCEPT):
file_to_load = self.fcdialog.get_filename()
progWin = vmmAsyncJob(self.config,
self.restore_saved_callback,
[file_to_load],
_("Restoring Virtual Machine"))
progWin.run()
if self.is_valid_saved_image(file_to_load):
progWin = vmmAsyncJob(self.config,
self.restore_saved_callback,
[file_to_load],
_("Restoring Virtual Machine"))
progWin.run()
else:
err = gtk.MessageDialog(self.window.get_widget("vmm-manager"),
gtk.DIALOG_DESTROY_WITH_PARENT,
gtk.MESSAGE_ERROR,
gtk.BUTTONS_OK,
_("The file '%s' does not appear to be a valid saved machine image") % file_to_load)
err.run()
err.destroy()
self.fcdialog.destroy()
if(self.domain_restore_error != ""):
@@ -214,6 +223,16 @@ class vmmManager(gobject.GObject):
self.error_msg.destroy()
self.domain_restore_error = ""
def is_valid_saved_image(self, file):
try:
f = open(file, "r")
magic = f.read(16)
if magic != "LinuxGuestRecord":
return False
return True
except:
return False
def restore_saved_callback(self, file_to_load):
status = self.connection.restore(file_to_load)
if(status != 0):