Geekly Articles each Day

рдЦреБрдж рдХрд╛ рдПрдХ рд╕рд╛рдзрд╛рд░рдг рдбреАрдПрдирдПрдирдбреАрдПрдирдПрд╕ рд╕рд░реНрд╡рд░

рд╣рд╛рд▓ рд╣реА рдореЗрдВ рдореБрдЭреЗ рдЗрд╕ рд╕рд╡рд╛рд▓ рдХреЗ рд╕рд╛рде рдкреВрдЫрд╛ рдЧрдпрд╛ рдерд╛: "рдкреЛрд░реНрдЯ рдХреЛ рдЕрдЧреНрд░реЗрд╖рд┐рдд рдХрд░рдиреЗ рдХреЗ рд▓рд┐рдП рдореЙрдбреЗрдо рдореЗрдВ рдореБрдЭреЗ рдХрд┐рд╕ рдЖрдВрддрд░рд┐рдХ рдЖрдИрдкреА рдкрддреЗ рдХреЛ рдирд┐рд░реНрджрд┐рд╖реНрдЯ рдХрд░рдирд╛ рдЪрд╛рд╣рд┐рдП?"ред рдореИрдВ рдЗрд╕ рдкреНрд░рд╢реНрди рдХрд╛ рдЙрддреНрддрд░ рдирд╣реАрдВ рджреЗ рд╕рдХрд╛, рдХреНрдпреЛрдВрдХрд┐ рдореИрдВ рдЗрд╕ рд╕рд░реНрд╡рд░ рдкрд░ рд▓рдВрдмреЗ рд╕рдордп рд╕реЗ рдирд╣реАрдВ рдерд╛, рдФрд░ рдЙрд╕ рдЫреЛрд░ рдкрд░ рд╡реНрдпрдХреНрддрд┐ рдХреА рдпреЛрдЧреНрдпрддрд╛ рдиреЗ рдореБрдЭреЗ рд╕рд░реНрд╡рд░ рдореЗрдВ рд▓реЙрдЧ рдЗрди рдХрд░рдиреЗ рдФрд░ рдЖрдИрдкреА рдПрдбреНрд░реЗрд╕ рд╢реЛ рдХрд░рдиреЗ рдХреА рдЕрдиреБрдорддрд┐ рдирд╣реАрдВ рджреАред рдлрд┐рд░ рдореИрдВрдиреЗ рд╕рднреА рдХреНрд▓рд╛рдЗрдВрдЯ рдЗрдВрдЯрд░рдлреЗрд╕ рдХреЗ рдЖрдИрдкреА рдкрддреЗ рдХреЛ рд╕реНрдЯреЛрд░ рдХрд░рдиреЗ рдХреА рдХреНрд╖рдорддрд╛ рдХреЗ рд╕рд╛рде рдЕрдкрдиреЗ рд╕рд░рд▓ рдПрдирд╛рд▓реЙрдЧ рдбреАрдПрдирдбреАрдПрдирдПрд╕ рд╕рд░реНрд╡рд░ рдмрдирд╛рдиреЗ рдХреЗ рдмрд╛рд░реЗ рдореЗрдВ рд╕реЛрдЪрд╛ред

рдкрд╛рдпрдерди рдореЗрдВ рд╕рд░реНрд╡рд░ рдФрд░ рдХреНрд▓рд╛рдЗрдВрдЯ рдХреЛ рд▓рд╛рдЧреВ рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред рд╕рд░реНрд╡рд░ рдУрдПрд╕ - рдбреЗрдмрд┐рдпрди 7, рдХреНрд▓рд╛рдЗрдВрдЯ - рдкрд╛рдпрдерди рдХреЗ рд╕рд╛рде рдХреЛрдИ рднреА рд▓рд┐рдирдХреНрд╕ред рдпрд╣ рдорд╛рдирд╛ рдЬрд╛рддрд╛ рд╣реИ рдХрд┐ рдЖрдкрдХреЗ рдкрд╛рд╕ рдкрд╣рд▓реЗ рд╕реЗ рд╣реА рдЕрдкрдирд╛ рд╕реНрд╡рдпрдВ рдХрд╛ рдбреЛрдореЗрди рдФрд░ рдЕрдкрдирд╛ рдбреАрдПрдирдПрд╕ рд╕рд░реНрд╡рд░ рд╣реИред

рд╕рд░реНрд╡рд░ рд╕рд╛рдЗрдб

рдмрд╛рдЗрдВрдб

рд╕рдмрд╕реЗ рдкрд╣рд▓реЗ, рдЖрд╡рд╢реНрдпрдХ рдХреБрдВрдЬреА рдЙрддреНрдкрдиреНрди рдХрд░реЗрдВ рдФрд░ DNS рд╕рд░реНрд╡рд░ рдХреЛ рдХреЙрдиреНрдлрд╝рд┐рдЧрд░ рдХрд░реЗрдВ:
dnssec-keygen -r /dev/urandom -a hmac-md5 -b 512 -n HOST dyndns.example.com.

рдкреНрд░рдкрддреНрд░ рдХреА рдкреНрд░рд╛рдкреНрдд рдлрд╝рд╛рдЗрд▓реЛрдВ рдХреЗ рд╕рд╛рдордиреЗ рд╕реЗ Kdyndns.example.com.+x+y.key рдпрд╛ Kdyndns.example.com.+x+y.private рдЬрд╝реЛрди рдХреБрдВрдЬреА рдпрд╛рдж рд░рдЦреЗрдВ рдФрд░ рдЬрд╝реЛрди рдЬреЛрдбрд╝реЗрдВ ( /etc/bind/named.conf.local ):

 key "dyndns.example.com." { algorithm hmac-md5; secret "    "; }; zone "dyndns.example.com" { type master; file "/etc/bind/db.dyndns.example.com"; allow-query { any; }; allow-transfer { 127.0.0.1; }; allow-update { key dyndns.example.com.; }; };


рдЕрдкрд╛рдЪреЗ

рд╣рдо Apache рдХреЛ mod-wsgi рдХреЗ рд╕рд╛рде рдкреНрд░рдпреЛрдЧ рдХрд░реЗрдВрдЧреЗред рдпрджрд┐ рдЖрдкрдХреЗ рдкрд╛рд╕ рдкрд╣рд▓реЗ рд╕реЗ рд╣реА рдЕрдкрд╛рдЪреЗ рд╕реНрдерд╛рдкрд┐рдд рдФрд░ рдХреЙрдиреНрдлрд╝рд┐рдЧрд░ рд╣реИ, рддреЛ рдмрд╕ рдПрдХ рдкреИрдХреЗрдЬ рд╕реНрдерд╛рдкрд┐рдд рдХрд░реЗрдВ рдЬрд┐рд╕рдХреА рдЖрдкрдХреЛ рдЖрд╡рд╢реНрдпрдХрддрд╛ рд╣реИ:
 sudo aptitude install libapache2-mod-wsgi

Wsgi рдореЙрдбреНрдпреВрд▓ рдЪрд╛рд▓реВ рдХрд░реЗрдВ:
 sudo a2enmod wsgi sudo service apache2 reload

SSL рдХреЗ рд╕рд╛рде рдПрдХ рдирдпрд╛ VirtualHost рдмрдирд╛рдПрдБ:
/ etc / apache2 / sites-available / dyndns-ssl
 <VirtualHost *:443> ServerName dyndns.example.com ServerAdmin admin@example.com DocumentRoot /var/www/tmp <Directory /> Options -FollowSymLinks AllowOverride None Order allow,deny Allow from all </Directory> <Directory /var/www/tmp> Options -Indexes -FollowSymLinks -MultiViews AllowOverride None deny from all </Directory> Alias /wsgi-scripts/ /var/www/dyndns/wsgi-scripts/ <Location /wsgi-scripts> SetHandler wsgi-script Options +ExecCGI </Location> SSLEngine on SSLCertificateFile /etc/ssl/localcerts/dyndns.example.com LogLevel info ErrorLog ${APACHE_LOG_DIR}/error_dyndns-ssl.example.com.log CustomLog ${APACHE_LOG_DIR}/access_dyndns-ssl.example.com.log combined </VirtualHost>


рдФрд░ рдореБрдЦреНрдп рд╕реНрдХреНрд░рд┐рдкреНрдЯ update-dyndns.wsgi рдХреЛ /var/www/dyndns/wsgi-scripts/ :
рдЕрджреНрдпрддрди-dyndns.wsgi
 import dns.query import dns.tsigkeyring import dns.update import sys import datetime from IPy import IP from cgi import parse_qs, escape import hashlib def application(environ, start_response): status = '200 OK' output = 'example.com DynDNS: ' ttl = 300 domain = 'dyndns.example.com' salt = 'YourSalt' d = parse_qs(environ['QUERY_STRING']) hostname = escape(d.get('hostname',[''])[0]) main_address = escape(environ['REMOTE_ADDR']) interfacesRaw = [i.split('_') for i in [escape(interface) for interface in d.get('interface',[])]] checkRemote = escape(d.get('checkstring',[''])[0]) checkString = hashlib.md5(salt + hostname).hexdigest() interfaces=[] for interface in interfacesRaw: try: IP(interface[1]) interfaces.append(interface) except: output += 'Following addresses are not valid: ' + ' '.join(interface) timestampStr = "Last_update_at_" + str(datetime.datetime.now().strftime("%Y-%m-%d_%H:%M")) output += timestampStr + '; Hostname: ' + hostname + '; External address: ' + main_address + '; Check string: ' + checkRemote + '; Interfaces: ' + str(interfaces) if hostname != '' and main_address != '' and checkRemote == checkString: try: keyring = dns.tsigkeyring.from_text({domain+'.' : 'YourKeyring'}) update = dns.update.Update(domain, keyring=keyring) update.replace(hostname, ttl, 'a', main_address) update.replace(hostname, ttl, 'txt', timestampStr) if interfaces != []: for interface in interfaces: str1 = interface[0] + '.' + hostname + '.' + domain + '.' str2 = interface[0] + '.' + hostname + '.' + domain + '.' update.replace(str1, ttl, 'a', interface[1]) update.replace(str2, ttl, 'txt', timestampStr) nsResponse = dns.query.tcp(update, '127.0.0.1') output += '; update OK' except: output += '; Error inserting records!\n\n' else: print 'Error in query ' + escape(environ['QUERY_STRING']) output += '; Error in input' print output output = '' response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output]


рд╕реНрдХреНрд░рд┐рдкреНрдЯ рдХрд╛ рд╕рд╛рдорд╛рдиреНрдп рд╕рд┐рджреНрдзрд╛рдВрдд рдирд┐рдореНрдирд╛рдиреБрд╕рд╛рд░ рд╣реИ: рдХреНрд▓рд╛рдЗрдВрдЯ рдкреНрд░рдкрддреНрд░ рдХреЗ рд╕рд░реНрд╡рд░ рдкрд░ рдПрдХ рдирд┐рд╢реНрдЪрд┐рдд URL рдХреЛ рдЦреАрдВрдЪрддрд╛ рд╣реИ dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=, checkstring - , ( salt ), . interface - DNS-. , A TXT interface.hostname.example.com hostname.example.com .


- cron , , , domain , myhostname salt :
update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason

( /var/www/dyndns/wsgi-scripts/ ):
get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output]


PS
, Python- ( , ), . , - .
dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=, checkstring - , ( salt ), . interface - DNS-. , A TXT interface.hostname.example.com hostname.example.com .


- cron , , , domain , myhostname salt :
update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason

( /var/www/dyndns/wsgi-scripts/ ):
get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output]


PS
, Python- ( , ), . , - .
dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=, checkstring - , ( salt ), . interface - DNS-. , A TXT interface.hostname.example.com hostname.example.com .


- cron , , , domain , myhostname salt :
update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason

( /var/www/dyndns/wsgi-scripts/ ):
get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output]


PS
, Python- ( , ), . , - .
dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=, checkstring - , ( salt ), . interface - DNS-. , A TXT interface.hostname.example.com hostname.example.com .


- cron , , , domain , myhostname salt :
update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason

( /var/www/dyndns/wsgi-scripts/ ):
get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output]


PS
, Python- ( , ), . , - .
  dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=,  checkstring -  ,    (   salt ),        . interface     -     DNS-.      ,      A  TXT    interface.hostname.example.com  hostname.example.com . 
 
   
    -  cron , ,    ,    domain , myhostname  salt : 
 update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason 
 
         (    /var/www/dyndns/wsgi-scripts/ ): 
 get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output] 
 
 
 PS 
  ,  Python-            (   ,        ),         . , -   .
dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=, checkstring - , ( salt ), . interface - DNS-. , A TXT interface.hostname.example.com hostname.example.com .


- cron , , , domain , myhostname salt :
update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason

( /var/www/dyndns/wsgi-scripts/ ):
get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output]


PS
, Python- ( , ), . , - .
dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=, checkstring - , ( salt ), . interface - DNS-. , A TXT interface.hostname.example.com hostname.example.com .


- cron , , , domain , myhostname salt :
update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason

( /var/www/dyndns/wsgi-scripts/ ):
get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output]


PS
, Python- ( , ), . , - .
dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=, checkstring - , ( salt ), . interface - DNS-. , A TXT interface.hostname.example.com hostname.example.com .


- cron , , , domain , myhostname salt :
update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason

( /var/www/dyndns/wsgi-scripts/ ):
get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output]


PS
, Python- ( , ), . , - .
  dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=,  checkstring -  ,    (   salt ),        . interface     -     DNS-.      ,      A  TXT    interface.hostname.example.com  hostname.example.com . 
 
   
    -  cron , ,    ,    domain , myhostname  salt : 
 update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason 
 
         (    /var/www/dyndns/wsgi-scripts/ ): 
 get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output] 
 
 
 PS 
  ,  Python-            (   ,        ),         . , -   .
dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=, checkstring - , ( salt ), . interface - DNS-. , A TXT interface.hostname.example.com hostname.example.com .


- cron , , , domain , myhostname salt :
update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason

( /var/www/dyndns/wsgi-scripts/ ):
get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output]


PS
, Python- ( , ), . , - .
dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=, checkstring - , ( salt ), . interface - DNS-. , A TXT interface.hostname.example.com hostname.example.com .


- cron , , , domain , myhostname salt :
update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason

( /var/www/dyndns/wsgi-scripts/ ):
get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output]


PS
, Python- ( , ), . , - .
dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=, checkstring - , ( salt ), . interface - DNS-. , A TXT interface.hostname.example.com hostname.example.com .


- cron , , , domain , myhostname salt :
update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason

( /var/www/dyndns/wsgi-scripts/ ):
get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output]


PS
, Python- ( , ), . , - .
dyndns.example.com/wsgi-scripts/update-dyndns.wsgi?hostname=&interface=_&checkstring=, checkstring - , ( salt ), . interface - DNS-. , A TXT interface.hostname.example.com hostname.example.com .


- cron , , , domain , myhostname salt :
update_mydyndns.py #!/usr/bin/python ################################################################## # #Configuration: domain='dyndns.example.com' myhostname='hostname-placeholder' ################################################################## import socket import fcntl import struct import sys import array import hashlib import httplib import urllib def all_interfaces(): is_64bits = sys.maxsize > 2**32 struct_size = 40 if is_64bits else 32 s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) max_possible = 8 # initial value while True: bytes = max_possible * struct_size names = array.array('B', '\0' * bytes) outbytes = struct.unpack('iL', fcntl.ioctl(s.fileno(),0x8912,struct.pack('iL', bytes, names.buffer_info()[0])))[0] if outbytes == bytes: max_possible *= 2 else: break namestr = names.tostring() lst = [] for i in range(0, outbytes, struct_size): name = namestr[i:i+16].split('\0', 1)[0] ip = socket.inet_ntoa(namestr[i+20:i+24]) if name != 'lo': lst.append((name,ip)) return lst salt = 'YourSalt' checkString = hashlib.md5(salt + myhostname).hexdigest() requestData = {} requestData['hostname'] = myhostname requestData['checkstring'] = checkString requestData['interface'] = [j for j in [i[0]+'_'+i[1] for i in all_interfaces()]] requestString = urllib.urlencode(requestData,True) conn = httplib.HTTPSConnection("dyndns.example.com", 443) conn.request("GET", "/wsgi-scripts/update-dyndns.wsgi?"+requestString) r1 = conn.getresponse() print r1.status, r1.reason

( /var/www/dyndns/wsgi-scripts/ ):
get-whole-zone.wsgi import dns.query import dns.zone def application(environ, start_response): status = '200 OK' output = '' domain = 'dyndns.example.com' z = dns.zone.from_xfr(dns.query.xfr('127.0.0.1', 'dyndns.example.com')) names = z.nodes.keys() names.sort() for n in names: output += '\n' + z[n].to_text(n) response_headers = [('Content-type', 'text/plain'),('Content-Length', str(len(output)))] start_response(status, response_headers) return [output]


PS
, Python- ( , ), . , - .

Source: https://habr.com/ru/post/In188598/

More articles:


All Articles