#!/usr/bin/python3
+# Copyright (c) 2014, Ralf Jung <post@ralfj.de>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+# The views and conclusions contained in the software and documentation are those
+# of the authors and should not be interpreted as representing official policies,
+# either expressed or implied, of the FreeBSD Project.
+
import urllib.request, socket, sys
# configuration variables
# END of configuration variables
def urlopen(url):
- return urllib.request.urlopen(url).read().decode('utf-8').strip()
+ return urllib.request.urlopen(url).read().decode('utf-8').strip()
myip = urlopen('https://'+server+'/checkip')
def update_domain(domain):
- '''Update the given domain, using the global server, user, password. Returns True on success, False on failure.'''
- global myip
- # check if the domain is already mapped to our current IP
- domainip = socket.gethostbyname(domain)
- if myip == domainip:
- # nothing to do
- return True
+ '''Update the given domain, using the global server, user, password. Returns True on success, False on failure.'''
+ global myip
+ # check if the domain is already mapped to our current IP
+ domainip = socket.gethostbyname(domain)
+ if myip == domainip:
+ # nothing to do
+ return True
- # we need to update the IP
- result = urlopen('https://'+server+'/update?password='+urllib.parse.quote(password)+'&domain='+urllib.parse.quote(domain)+'&ip='+urllib.parse.quote(myip))
- if 'good '+myip == result:
- # all went all right
- return True
- else:
- # Something went wrong
- print("Unexpected answer from server",server,"while updating",domain,"to",myip)
- print(result)
- return False
+ # we need to update the IP
+ result = urlopen('https://'+server+'/update?password='+urllib.parse.quote(password)+'&domain='+urllib.parse.quote(domain)+'&ip='+urllib.parse.quote(myip))
+ if 'good '+myip == result:
+ # all went all right
+ return True
+ else:
+ # Something went wrong
+ print("Unexpected answer from server",server,"while updating",domain,"to",myip)
+ print(result)
+ return False
exitcode = 0
for domain in domains:
- if not update_domain(domain):
- exitcode = 1
+ if not update_domain(domain):
+ exitcode = 1
sys.exit(exitcode)