def _validate(addr, netmask, gateway, nameservers):
"""Validate Static IP form parameters. Returns an empty array on
success, an array of strings describing errors otherwise"""
errors = []
if not addr:
errors.append("No IP address provided")
elif not ipaddr.is_legal_ip(addr):
errors.append("Invalid IP address: %s" % addr)
if not netmask:
errors.append("No netmask provided")
elif not ipaddr.is_legal_ip(netmask):
errors.append("Invalid netmask: %s" % netmask)
for nameserver in nameservers:
if nameserver and not ipaddr.is_legal_ip(nameserver):
errors.append("Invalid nameserver: %s" % nameserver)
if len(nameservers) != len(set(nameservers)):
errors.append("Duplicate nameservers specified")
if errors:
return errors
if gateway:
if not ipaddr.is_legal_ip(gateway):
return [ "Invalid gateway: %s" % gateway ]
else:
iprange = ipaddr.IPRange(addr, netmask)
if gateway not in iprange:
return [ "Gateway (%s) not in IP range (%s)" % (gateway,
iprange) ]
return []
def _validate(addr, netmask, gateway, nameservers):
"""Validate Static IP form parameters. Returns an empty array on
success, an array of strings describing errors otherwise"""
errors = []
if not addr:
errors.append("No IP address provided")
elif not ipaddr.is_legal_ip(addr):
errors.append("Invalid IP address: %s" % addr)
if not netmask:
errors.append("No netmask provided")
elif not ipaddr.is_legal_ip(netmask):
errors.append("Invalid netmask: %s" % netmask)
for nameserver in nameservers:
if nameserver and not ipaddr.is_legal_ip(nameserver):
errors.append("Invalid nameserver: %s" % nameserver)
if len(nameservers) != len(set(nameservers)):
errors.append("Duplicate nameservers specified")
if errors:
return errors
if gateway:
if not ipaddr.is_legal_ip(gateway):
return [ "Invalid gateway: %s" % gateway ]
else:
iprange = ipaddr.IPRange(addr, netmask)
if gateway not in iprange:
return [ "Gateway (%s) not in IP range (%s)" % (gateway,
iprange) ]
return []