def check_interfaces():
global wlan, ppp
print('Verifying interfaces')
s = cli.execute_shell('ifconfig')
lines = s.splitlines()
bwlan = False
bppp = False
for l in lines:
line = str(l)
if not line.startswith(' ') and len(line) > 0:
text = line.split(' ')[0]
if text.startswith(wlan):
bwlan = True
elif text.startswith(ppp):
bppp = True
if not bwlan:
print(wlan + ' interface was not found. Make sure your wifi is on.')
return False
elif not bppp:
print(
ppp +
' interface was not found. Make sure you are connected to the internet.'
)
return False
else:
print('done.')
return True
def pre_start():
try:
# oper = platform.linux_distribution()
# if oper[0].lower()=='ubuntu' and oper[2].lower()=='trusty':
# trusty patch
# print( 'applying hostapd workaround for ubuntu trusty.')
#29-12-2014: Rather than patching individual distros, lets make it a default.
result = cli.execute_shell('nmcli radio wifi off')
if "error" in result.lower():
cli.execute_shell('nmcli nm wifi off')
cli.execute_shell('rfkill unblock wlan')
cli.execute_shell('sleep 1')
print('done.')
except:
pass
def configure():
global wlan, ppp, IP, Netmask
#CHECK WHETHER WIFI IS SUPPORTED OR NOT
print('Verifying connections')
wlan = ''
ppp = ''
s = cli.execute_shell('iwconfig')
if s != None:
lines = s.splitlines()
#print( 'and it is:' + s)
for l in lines:
line = str(l)
if not line.startswith(' ') and not line.startswith(
'mon.') and 'IEEE 802.11' in line:
wlan = line.split(' ')[0]
print('Wifi interface found: ' + wlan)
if wlan == '':
print('Wireless interface could not be found on your device.')
return
#print( 'Verifying Internet connections')
s = cli.execute_shell('ifconfig')
lines = s.splitlines()
iface = []
for l in lines:
line = str(l)
if not line.startswith(' ') and not line.startswith(
wlan) and not line.startswith('lo') and not line.startswith(
'mon.') and len(line) > 0:
iface.append(line.split(' ')[0])
#print( 'f::' + line)
if len(iface) == 0:
print(
'No network nic could be found on your deivce to interface with the LAN'
)
elif len(iface) == 1:
ppp = iface[0]
print('Network interface found: ' + ppp)
else:
rniface = range(len(iface))
s = ''
while True:
for i in rniface:
print(i, iface[i])
try:
s = int(input("Enter number for internet supplying NIC :"))
except:
continue
if s not in rniface:
continue
ppp = iface[s]
break
while True:
IP = input('Enter an IP address for your ap [192.168.45.1] :')
#except: continue
#print( type(IP))
#sys.exit(0)
if IP == None or IP == '':
IP = '192.168.45.1'
if not validate_ip(IP): continue
break
Netmask = '255.255.255.0'
#CONFIGURE SSID, PASSWORD, ETC.
SSID = input('Enter SSID [joe_ssid] :')
if SSID == '': SSID = 'joe_ssid'
password = input('Enter 10 digit password [1234567890] :')
if password == '': password = '******'
f = open('run.dat', 'r')
lout = []
for line in f.readlines():
lout.append(line.replace('<SSID>', SSID).replace('<PASS>', password))
f.close()
f = open('run.conf', 'w')
f.writelines(lout)
f.close()
print('created hostapd configuration: run.conf')
dc = {
'wlan': wlan,
'inet': ppp,
'ip': IP,
'netmask': Netmask,
'SSID': SSID,
'password': password
}
json.dump(dc, open('hotspotd.json', 'w'))
print(dc)
print('Configuration saved. Run "hotspotd start" to start the router.')
def stop_router():
#bring down the interface
cli.execute_shell('ifconfig mon.' + wlan + ' down')
#TODO: Find some workaround. killing hostapd brings down the wlan0 interface in ifconfig.
#~ #stop hostapd
#~ if cli.is_process_running('hostapd')>0:
#~ cli.writelog('stopping hostapd')
#~ cli.execute_shell('pkill hostapd')
#stop dnsmasq
if cli.is_process_running('dnsmasq') > 0:
cli.writelog('stopping dnsmasq')
cli.execute_shell('killall dnsmasq')
#disable forwarding in iptables.
cli.writelog('disabling forward rules in iptables.')
cli.execute_shell('iptables -P FORWARD DROP')
#delete iptables rules that were added for wlan traffic.
if wlan != None:
cli.execute_shell('iptables -D OUTPUT --out-interface ' + wlan +
' -j ACCEPT')
cli.execute_shell('iptables -D INPUT --in-interface ' + wlan +
' -j ACCEPT')
cli.execute_shell('iptables --table nat --delete-chain')
cli.execute_shell('iptables --table nat -F')
cli.execute_shell('iptables --table nat -X')
#disable forwarding in sysctl.
cli.writelog('disabling forward in sysctl.')
r = cli.set_sysctl('net.ipv4.ip_forward', '0')
print(r.strip())
#cli.execute_shell('ifconfig ' + wlan + ' down' + IP + ' netmask ' + Netmask)
#cli.execute_shell('ip addr flush ' + wlan)
print('hotspot has stopped.')
return
def start_router():
if not check_dependencies():
return
elif not check_interfaces():
return
pre_start()
s = 'ifconfig ' + wlan + ' up ' + IP + ' netmask ' + Netmask
print('created interface: mon.' + wlan + ' on IP: ' + IP)
r = cli.execute_shell(s)
cli.writelog(r)
#cli.writelog('sleeping for 2 seconds.')
print('wait..')
cli.execute_shell('sleep 2')
i = IP.rindex('.')
ipparts = IP[0:i]
#stop dnsmasq if already running.
if cli.is_process_running('dnsmasq') > 0:
print('stopping dnsmasq')
cli.execute_shell('killall dnsmasq')
#stop hostapd if already running.
if cli.is_process_running('hostapd') > 0:
print('stopping hostapd')
cli.execute_shell('killall hostapd')
#enable forwarding in sysctl.
print('enabling forward in sysctl.')
r = cli.set_sysctl('net.ipv4.ip_forward', '1')
print(r.strip())
#enable forwarding in iptables.
print('creating NAT using iptables: ' + wlan + '<->' + ppp)
cli.execute_shell('iptables -P FORWARD ACCEPT')
#add iptables rules to create the NAT.
cli.execute_shell('iptables --table nat --delete-chain')
cli.execute_shell('iptables --table nat -F')
r = cli.execute_shell('iptables --table nat -X')
if len(r.strip()) > 0: print(r.strip())
cli.execute_shell('iptables -t nat -A POSTROUTING -o ' + ppp +
' -j MASQUERADE')
cli.execute_shell('iptables -A FORWARD -i ' + ppp + ' -o ' + wlan +
' -j ACCEPT -m state --state RELATED,ESTABLISHED')
cli.execute_shell('iptables -A FORWARD -i ' + wlan + ' -o ' + ppp +
' -j ACCEPT')
#allow traffic to/from wlan
cli.execute_shell('iptables -A OUTPUT --out-interface ' + wlan +
' -j ACCEPT')
cli.execute_shell('iptables -A INPUT --in-interface ' + wlan +
' -j ACCEPT')
#start dnsmasq
s = 'dnsmasq --dhcp-authoritative --interface=' + wlan + ' --dhcp-range=' + ipparts + '.20,' + ipparts + '.100,' + Netmask + ',4h'
print('running dnsmasq')
print(s)
r = cli.execute_shell(s)
cli.writelog(r)
#~ f = open(os.getcwd() + '/hostapd.tem','r')
#~ lout=[]
#~ for line in f.readlines():
#~ lout.append(line.replace('<SSID>',SSID).replace('<PASS>',password))
#~
#~ f.close()
#~ f = open(os.getcwd() + '/hostapd.conf','w')
#~ f.writelines(lout)
#~ f.close()
#writelog('created: ' + os.getcwd() + '/hostapd.conf')
#start hostapd
#s = 'hostapd -B ' + os.path.abspath('run.conf')
s = 'hostapd -B ' + os.getcwd() + '/run.conf'
print(s)
cli.writelog('running hostapd')
#cli.writelog('sleeping for 2 seconds.')
cli.writelog('wait..')
cli.execute_shell('sleep 2')
r = cli.execute_shell(s)
cli.writelog(r)
print('hotspot is running.')
return