Return to Main Page' print "" # end htmlFooter def gettype(id): m = re.match('^(.*):(.*):(.*)',id) return(m.group(1)) # end gettype def getdname(id): m = re.match('^(.*):(.*):(.*)',id) return(m.group(2)) # end getdname def getrdata(id): m = re.match('^(.*):(.*):(.*)',id) return(m.group(3)) # end getrdata def getTsigKey(zoneName): # read all the zones from the file f=open(zonefile,'r') for line in f: zlist=line.split() if (zlist[0]==zoneName): tsigkeyname=zlist[1] tsigkey=zlist[2] f.close() return(dns.tsigkeyring.from_text({tsigkeyname : tsigkey})) ################ main starts here ################## zonefile="/home/abarclay/config/zones.txt" nameserver='192.168.37.12' try: TEST=os.environ["TEST"] except: TEST="false" if (TEST == "true"): # test basic functions print gettype("PTR:22:barclay.unixpeople.internal") print getdname("PTR:22:barclay.unixpeople.internal") print getrdata("PTR:22:barclay.unixpeople.internal") # test update # prepare the dns update myring = getTsigKey("37.168.192.in-addr.arpa") update = dns.update.Update("37.168.192.in-addr.arpa", keyring=myring) # this succeeds, but doesn't work #update.delete("159.37.168.192.in-addr.arpa", "PTR", "alex.unixpeople.internal") # this succeeds, but doesn't work #update.delete("159.37.168.192.in-addr.arpa", "PTR", "alex.unixpeople.internal.") # this succeeds, but doesn't work #update.delete("159.37.168.192.in-addr.arpa.", "PTR", "alex.unixpeople.internal") # this one WORKS! # seems like both the dname and the rdata have to be fqdn #update.delete("162.37.168.192.in-addr.arpa.", "PTR", "kristen.unixpeople.internal.") # when we do two of them, it works too... update.delete("172.37.168.192.in-addr.arpa.", "PTR", "DIRECTV-HR21-C30954D1.unixpeople.internal.") update.delete("176.37.168.192.in-addr.arpa.", "PTR", "cessna.unixpeople.internal.") response = dns.query.tcp(update, nameserver , timeout=10000) if (response.rcode()==0): print '
Success!
' else: print 'Failed!
' print 'rcode is
' print response.rcode() print response.to_text(response.rcode()) sys.exit(1) formVariables = cgi.FieldStorage() cgiScript="/cgi-bin/protected/dnstool.py" rrtypes=['ANY','A','CNAME','MX','NS','PTR','TXT', 'SOA'] # in future, lets add the name server to the zones.txt file try: myAction = formVariables["action"].value except: myAction = None if (myAction == 'Add a Resource Record'): htmlHeader("Add a Resource Record") # get zone to operate on try: myzone=formVariables["zone"].value except: print "You didn't select a zone to which you want to Add'
htmlFooter()
elif (myAction == "Edit Selected Resource Record"):
htmlHeader("DNS Maintenance Tool")
print "not implemented"
htmlFooter()
elif (myAction == "Delete Selected Resource Records"):
htmlHeader("DNS Maintenance Tool")
myzone=formVariables["zone"].value
# prepare the dns update
keyring = getTsigKey(myzone)
update = dns.update.Update(myzone, keyring=keyring)
# fully qualify the zonename
myzone=myzone + "."
# "selected" could be a list or a variable
try:
# assume it's a list...
for id in formVariables["selected"]:
print "about to delete " + id.value + " from " + myzone + '
'
myrrtype=gettype(id.value)
print "
myrrtype:" + myrrtype + ""
mydname=getdname(id.value)
mydname=mydname + "." + myzone
print "
mydame:" + mydname + ""
myrdata=getrdata(id.value)
print "
myrdata:" + myrdata + ""
print "
calling delete with " + mydname + " " + myrrtype + " " + myrdata
update.delete(mydname, myrrtype, myrdata)
except KeyError:
print "You didn't select any records to delete
"
print "Go back and select one or more records first"
htmlFooter()
sys.exit(0)
except:
# if selected was not a list, then we'll end up here...
id=formVariables["selected"]
print "about to delete " + id.value + " from " + myzone
myrrtype=gettype(id.value)
print "
myrrtype:" + myrrtype + ""
mydname=getdname(id.value)
mydname=mydname + "." + myzone
print "
mydame:" + mydname + ""
myrdata=getrdata(id.value)
print "
myrdata:" + myrdata + ""
print "
calling delete with " + mydname + " " + myrrtype + " " + myrdata
update.delete(mydname, myrrtype, myrdata)
response = dns.query.tcp(update, nameserver , timeout=10)
if (response.rcode()==0):
print '
Success!' else: print '
Failed!'
htmlFooter()
elif (myAction == 'Add Record'):
htmlHeader("DNS Maintenance Tool")
myzone=formVariables["zone"].value
# prepare the dns update
keyring = getTsigKey(myzone)
update = dns.update.Update(myzone, keyring=keyring)
# the type will always be set
mytype=formVariables["rrtype"].value
myclass=formVariables["class"].value
myttl=formVariables["ttl"].value
# based on type, names of vars might be different
if (mytype == 'MX'):
try:
myrrdata=str(formVariables["preference"].value) + " " + formVariables["mailserver"].value
except:
print 'looks like you did not specify a preference and mail server'
print 'go back and specify them'
htmlFooter()
sys.exit(0)
# otherwise, its a common name
else:
try:
rrname=formVariables["rrname"].value
except:
rrname=""
try:
myrrdata=formVariables["rrdata"].value
except:
print "You didn't type in anything for the rdata
"
print "Go back and type something in"
htmlFooter()
sys.exit(0)
print "about to add " + rrname + " " + myttl + " " + myclass + " " + mytype + " " + myrrdata + " to " + myzone + '
'
update.replace(rrname, myttl, mytype, myrrdata)
response = dns.query.tcp(update, nameserver , timeout=10)
if (response.rcode()==0):
print '
Success!' else: print '
Failed!' htmlFooter() else: htmlHeader("DNS Maintenance Tool") print "unknown action" htmlFooter()