def testSSH():
#find the default gateway
#
default_gateway = gatewayIP()
rtrn = 7
while(rtrn != 0):
# prompt user for password
#
user_pwd = getpass.getpass("\nRouter Password >> ")
# save to a file for sshpass
#
#with open("user_pwd.txt", "wt") as f:
# f.write(user_pwd)
# validate the password
#
rtrn = call(['sshpass', '-p', user_pwd, \
'ssh', '-p', '2222', \
'root@' + default_gateway, "exit"])
if ( rtrn == 5 ):
print("Authentication Failed. Re-enter Password for Router.")
elif ( rtrn == 6 ):
print("RSA Fingerprint not verified. Please Try Again.")
rtrn = call(['ssh', '-p', '2222', 'root@' +default_gateway, "exit 1"])
return (user_pwd)
def attemptFindServer(self, toiServerPORT=5005):
# Get a list of IPs running Toi-Chat software on the mesh network
#
listIPs = conn_router(gatewayIP(), self.user_pwd)
self.logger.debug("List of returned IPs: " + str(listIPs))
# Check to see if there are any IPs in the returned ARP list
#
if listIPs == None:
return 0
# Sort the list of IPs be increasing distance
#
sortIPs = pingIPSort(listIPs)[0]
# Create a request DNS information request message
#
requestDNS = self.createRequestDnsMessage()
self.logger.debug("List of potential TOIChat Hosts:" + str(sortIPs))
for toiServerIP in sortIPs:
# Print to stdout what we are trying to connect to
#
self.logger.debug("Trying to connect to '" + str.strip(toiServerIP) + "'.")
try:
self.myToiChatClient.sendMessage(toiServerIP, requestDNS, toiServerPORT)
except Exception as e:
if toiServerIP == sortIPs[len(sortIPs) - 1]:
# We tried all IPs in the list and could not connect to
# any. Return error to stdout informing the user
self.logger.warning(
"Could not connect to '"
+ str.strip(toiServerIP)
+ "'. Exited with status: "
+ str(e)
+ ". Exhausted known list of hosts."
)
return 0
else:
self.logger.info(
"Could not connect to '"
+ str.strip(toiServerIP)
+ "'... Exited with status: "
+ str(e)
+ "Trying next IP in list."
)
continue
# Did not fail to connect. Connection to server successful
# Break out of for loop
#
break
return 1
def listen_router(user_pwd):
# Find the default gateway
#
default_gateway = gatewayIP()
scriptPath = "../etc/router_tx_arpinfo.sh"
# Run '../router-scripts/router_tx_arpinf.sh' on local router
#
ssh = subprocess.Popen(['sshpass', '-p', user_pwd, \
'ssh', '-p', '2222', \
'root@' + default_gateway, "sh " + scriptPath, '&'], \
shell=False, \
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)