355 lines
10 KiB
Python
Executable File
355 lines
10 KiB
Python
Executable File
import getopt
|
|
import socket
|
|
import sys
|
|
import os
|
|
import platform
|
|
from nfutil import *
|
|
from enumip import *
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
def usage():
|
|
print
|
|
print "Usage: nfcli --list --eth_addr=ADDR --ip_type=TYPE --ip_addr=IP, --netmask=MASK, --gateway=GW"
|
|
print "Search and configure Prologix GPIB-ETHERNET Controllers."
|
|
print "--help : display this help"
|
|
print "--list : search for controllers"
|
|
print "--eth_addr=ADDR : configure controller with Ethernet address ADDR"
|
|
print "--ip_type=TYPE : set controller ip address type to TYPE (\"static\" or \"dhcp\")"
|
|
print "--ip_addr=IP : set controller address to IP"
|
|
print "--netmask=MASK : set controller network mask to MASK"
|
|
print "--gateway=GW : set controller default gateway to GW"
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
def enumIp():
|
|
if platform.system() in ('Windows', 'Microsoft'):
|
|
return socket.gethostbyname_ex(socket.gethostname())[2];
|
|
|
|
return enumIpUnix()
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
def ValidateNetParams(ip_str, mask_str, gw_str):
|
|
|
|
try:
|
|
ip = socket.inet_aton(ip_str)
|
|
except:
|
|
print "IP address is invalid."
|
|
return False
|
|
|
|
try:
|
|
mask = socket.inet_aton(mask_str)
|
|
except:
|
|
print "Network mask is invalid."
|
|
return False
|
|
|
|
try:
|
|
gw = socket.inet_aton(gw_str)
|
|
except:
|
|
print "Gateway address is invalid."
|
|
return False
|
|
|
|
# Validate network mask
|
|
|
|
# Convert to integer from byte array
|
|
mask = struct.unpack("!L", mask)[0]
|
|
|
|
# Exclude restricted masks
|
|
if (mask == 0) or (mask == 0xFFFFFFFF):
|
|
print "Network mask is invalid."
|
|
return False
|
|
|
|
# Exclude non-left-contiguous masks
|
|
if (((mask + (mask & -mask)) & 0xFFFFFFFF) != 0):
|
|
print "Network mask is not contiguous."
|
|
return False
|
|
|
|
|
|
# Validate gateway address
|
|
|
|
octet1 = ord(gw[0])
|
|
|
|
# Convert to integer from byte array
|
|
gw = struct.unpack("!L", gw)[0]
|
|
|
|
# Exclude restricted addresses
|
|
# 0.0.0.0 is valid
|
|
if ((gw != 0) and ((octet1 == 0) or (octet1 == 127) or (octet1 > 223))):
|
|
print "Gateway address is invalid."
|
|
return False
|
|
|
|
# Validate IP address
|
|
|
|
octet1 = ord(ip[0])
|
|
|
|
# Convert to integer from byte array
|
|
ip = struct.unpack("!L", ip)[0]
|
|
|
|
# Exclude restricted addresses
|
|
if ((octet1 == 0) or (octet1 == 127) or (octet1 > 223)):
|
|
print "IP address is invalid."
|
|
return False
|
|
|
|
# Exclude subnet network address
|
|
if ((ip & ~mask) == 0):
|
|
print "IP address is invalid."
|
|
return False
|
|
|
|
# Exclude subnet broadcast address
|
|
if ((ip & ~mask) == (0xFFFFFFFF & ~mask)):
|
|
print "IP address is invalid."
|
|
return False
|
|
|
|
return True
|
|
|
|
#-----------------------------------------------------------------------------
|
|
#def ValidateAddress(address):
|
|
|
|
# if address is None:
|
|
# return False
|
|
|
|
# parts = address.split(".")
|
|
|
|
# if len(parts) != 4:
|
|
# return False
|
|
|
|
# try:
|
|
# for item in parts:
|
|
# if not 0 <= int(item) <= 255:
|
|
# return False
|
|
# except:
|
|
# return False
|
|
|
|
# return True
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
def main():
|
|
|
|
invalid_args = False
|
|
showhelp = False
|
|
search = False
|
|
ip_type = None
|
|
ip_addr = None
|
|
netmask = None
|
|
gateway = None
|
|
eth_addr = None
|
|
|
|
try:
|
|
opts, args = getopt.getopt(sys.argv[1:], '', ['help', 'list', 'eth_addr=', 'ip_type=', 'ip_addr=', 'netmask=', 'gateway='])
|
|
except getopt.GetoptError, err:
|
|
print str(err)
|
|
sys.exit(1)
|
|
|
|
# Check for unparsed parameters
|
|
if len(args) != 0:
|
|
usage()
|
|
sys.exit(1)
|
|
|
|
for o, a in opts:
|
|
if o == "--help":
|
|
showhelp = True
|
|
elif o == "--list":
|
|
search = True
|
|
elif o == "--eth_addr":
|
|
eth_addr = a
|
|
elif o == "--ip_type":
|
|
ip_type = a
|
|
elif o == "--ip_addr":
|
|
ip_addr = a
|
|
elif o == "--netmask":
|
|
netmask = a
|
|
elif o == "--gateway":
|
|
gateway = a
|
|
|
|
if (len(opts) == 0) or (showhelp):
|
|
usage()
|
|
sys.exit(1)
|
|
|
|
if search:
|
|
if not eth_addr is None:
|
|
print "--list and --eth_addr are not compatible."
|
|
invalid_args = True
|
|
if not ip_type is None:
|
|
print "--list and --ip_type are not compatible."
|
|
invalid_args = True
|
|
if not ip_addr is None:
|
|
print "--list and --ip_addr are not compatible."
|
|
invalid_args = True
|
|
if not netmask is None:
|
|
print "--list and --netmask are not compatible."
|
|
invalid_args = True
|
|
if not gateway is None:
|
|
print "--list and --gateway are not compatible."
|
|
invalid_args = True
|
|
else:
|
|
|
|
try:
|
|
eth_addr = eth_addr.strip().replace(":", "").replace("-", "")
|
|
eth_addr = eth_addr.decode('hex')
|
|
except:
|
|
print "Invalid Ethernet address."
|
|
sys.exit(1)
|
|
|
|
if len(eth_addr) != 6:
|
|
print "Invalid Ethernet address."
|
|
sys.exit(1)
|
|
|
|
if ip_type in ["Static", "static"]:
|
|
ip_type = NF_IP_STATIC
|
|
elif ip_type in ["Dynamic", "dynamic", "Dhcp", "dhcp"]:
|
|
ip_type = NF_IP_DYNAMIC
|
|
else:
|
|
print "--ip_type must be 'static' or 'dhcp'."
|
|
sys.exit(1)
|
|
|
|
if ip_type == NF_IP_STATIC:
|
|
|
|
if not ValidateNetParams(ip_addr, netmask, gateway):
|
|
invalid_args = True
|
|
|
|
|
|
# if not ValidateIP(ip_addr):
|
|
# print "Invalid, or no, IP address specified."
|
|
# invalid_args = True
|
|
|
|
# if not ValidateIP(netmask):
|
|
# print "Invalid, or no, netmask specified."
|
|
# invalid_args = True
|
|
|
|
# if not ValidateIP(gateway):
|
|
# print "Invalid, or no, gateway address specified."
|
|
# invalid_args = True
|
|
else:
|
|
if ip_addr is None:
|
|
ip_addr = "0.0.0.0"
|
|
else:
|
|
print "--ip_addr not allowed when --ip_type=dhcp."
|
|
invalid_args = True
|
|
if netmask is None:
|
|
netmask = "0.0.0.0"
|
|
else:
|
|
print "--netmask not allowed when --ip_type=dhcp."
|
|
invalid_args = True
|
|
if gateway is None:
|
|
gateway = "0.0.0.0"
|
|
else:
|
|
print "--gateway not allowed when --ip_type=dhcp."
|
|
invalid_args = True
|
|
|
|
if invalid_args:
|
|
sys.exit(1)
|
|
|
|
|
|
|
|
global seq
|
|
sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
|
|
|
|
iplist = enumIp();
|
|
if len(iplist) == 0:
|
|
print "Host has no IP address."
|
|
sys.exit(1)
|
|
|
|
|
|
devices = {}
|
|
|
|
for ip in iplist:
|
|
print "Searching through network interface:", ip
|
|
|
|
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
|
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
|
s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
|
|
|
|
port = 0
|
|
|
|
try:
|
|
s.bind((ip, port))
|
|
except socket.error, e:
|
|
print "Bind error on send socket:", e
|
|
sys.exit(1)
|
|
|
|
port = s.getsockname()[1]
|
|
|
|
r = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
|
r.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
|
|
|
r.setblocking(1)
|
|
r.settimeout(0.100)
|
|
|
|
try:
|
|
r.bind(('', port))
|
|
except socket.error, e:
|
|
print "Bind error on receive socket:", e
|
|
sys.exit(1)
|
|
|
|
d = Discover(s, r)
|
|
print
|
|
|
|
for k in d:
|
|
d[k]['host_ip'] = ip
|
|
devices[k] = d[k]
|
|
|
|
s.close()
|
|
r.close()
|
|
|
|
if search:
|
|
print
|
|
print "Found", len(devices), "Prologix GPIB-ETHERNET Controller(s)."
|
|
for key in devices:
|
|
PrintDetails(devices[key])
|
|
print
|
|
else:
|
|
if eth_addr in devices:
|
|
|
|
print "Updating network settings of Prologix GPIB-ETHERNET Controller", FormatEthAddr(eth_addr)
|
|
|
|
device = devices[eth_addr]
|
|
|
|
if (device['ip_type'] == NF_IP_STATIC) or (ip_type == NF_IP_STATIC):
|
|
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
|
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
|
s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
|
|
|
|
port = 0
|
|
|
|
try:
|
|
s.bind((device['host_ip'], port))
|
|
except socket.error, e:
|
|
print "Bind error on send socket:", e
|
|
sys.exit(1)
|
|
|
|
port = s.getsockname()[1]
|
|
|
|
r = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
|
|
r.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
|
|
|
|
r.setblocking(1)
|
|
r.settimeout(0.100)
|
|
|
|
try:
|
|
r.bind(('', port))
|
|
except socket.error, e:
|
|
print "Bind error on receive socket:", e
|
|
sys.exit(1)
|
|
|
|
result = Assignment(s, r, eth_addr, ip_type, ip_addr, netmask, gateway)
|
|
print
|
|
|
|
if len(result) == 0:
|
|
print "Network settings update failed."
|
|
else:
|
|
if result['result'] == NF_SUCCESS:
|
|
print "Network settings updated successfully."
|
|
else:
|
|
print "Network settings update failed."
|
|
else:
|
|
print "Prologix GPIB-ETHERNET Controller", FormatEthAddr(eth_addr), "already configured for DHCP."
|
|
else:
|
|
print "Prologix GPIB-ETHERNET Controller", FormatEthAddr(eth_addr), "not found."
|
|
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
if __name__ == "__main__":
|
|
main() |