From 0c774220412c4b56c00d276ef4bfc50336a99284 Mon Sep 17 00:00:00 2001 From: Amitay Isaacs Date: Tue, 28 Feb 2012 15:14:49 +1100 Subject: samba-tool: dns: Add support for handling TXT records --- source4/scripting/python/samba/netcmd/dns.py | 58 ++++++++++++++++++++++++---- 1 file changed, 50 insertions(+), 8 deletions(-) (limited to 'source4/scripting/python') diff --git a/source4/scripting/python/samba/netcmd/dns.py b/source4/scripting/python/samba/netcmd/dns.py index 15a6122883..6f8c2f63f9 100644 --- a/source4/scripting/python/samba/netcmd/dns.py +++ b/source4/scripting/python/samba/netcmd/dns.py @@ -21,6 +21,7 @@ import samba.getopt as options from struct import pack from socket import inet_ntoa +import shlex from samba.netcmd import ( Command, @@ -151,6 +152,8 @@ def dns_type_flag(rec_type): record_type = dnsp.DNS_TYPE_MX elif rtype == 'SRV': record_type = dnsp.DNS_TYPE_SRV + elif rtype == 'TXT': + record_type = dnsp.DNS_TYPE_TXT elif rtype == 'ALL': record_type = dnsp.DNS_TYPE_ALL else: @@ -325,7 +328,6 @@ def print_enumzones(outf, typeid, zones): def print_dns_record(outf, rec): - mesg = 'Unknown: ' if rec.wType == dnsp.DNS_TYPE_A: mesg = 'A: %s' % (rec.data) elif rec.wType == dnsp.DNS_TYPE_AAAA: @@ -349,6 +351,11 @@ def print_dns_record(outf, rec): elif rec.wType == dnsp.DNS_TYPE_SRV: mesg = 'SRV: %s (%d, %d, %d)' % (rec.data.nameTarget.str, rec.data.wPort, rec.data.wPriority, rec.data.wWeight) + elif rec.wType == dnsp.DNS_TYPE_TXT: + slist = ['"%s"' % name.str for name in rec.data.str] + mesg = 'TXT: %s' % ','.join(slist) + else: + mesg = 'Unknown: ' outf.write(' %s (flags=%x, serial=%d, ttl=%d)\n' % ( mesg, rec.dwFlags, rec.dwSerial, rec.dwTtlSeconds)) @@ -486,6 +493,28 @@ class SRVRecord(dnsserver.DNS_RPC_RECORD): srv.nameTarget.len = len(target) self.data = srv +class TXTRecord(dnsserver.DNS_RPC_RECORD): + def __init__(self, slist, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE, + node_flag=0): + super(TXTRecord, self).__init__() + self.wType = dnsp.DNS_TYPE_TXT + self.dwFlags = rank | node_flag + self.dwSerial = serial + self.dwTtlSeconds = ttl + self._slist = [] + for s in slist: + self._slist.append(s[:]) + names = [] + for s in self._slist: + name = dnsserver.DNS_RPC_NAME() + name.str = s + name.len = len(s) + names.append(name) + txt = dnsserver.DNS_RPC_RECORD_STRING() + txt.count = len(slist) + txt.str = names + self.data = txt + # Convert data into a dns record def data_to_dns_record(record_type, data): @@ -529,6 +558,9 @@ def data_to_dns_record(record_type, data): minimum = int(tmp[6]) rec = SOARecord(nameserver, email, serial=serial, refresh=refresh, retry=retry, expire=expire, minimum=minimum) + elif record_type == dnsp.DNS_TYPE_TXT: + slist = shlex.split(data) + rec = TXTRecord(slist) else: raise CommandError('Unsupported record type') return rec @@ -604,6 +636,13 @@ def dns_record_match(dns_conn, server, zone, name, record_type, data): dns_name_equal(rec.data.ZoneAdministratorEmail, urec.data.ZoneAdministratorEmail): found = True + elif record_type == dnsp.DNS_TYPE_TXT: + if rec.data.count == urec.data.count: + found = True + for i in xrange(rec.data.count): + found = found and \ + (rec.data.str[i].str == urec.data.str[i].str) + if found: rec_match = rec break @@ -858,7 +897,7 @@ class cmd_zonedelete(Command): class cmd_query(Command): """Query a name.""" - synopsis = '%prog [options]' + synopsis = '%prog [options]' takes_args = [ 'server', 'zone', 'name', 'rtype' ] @@ -977,9 +1016,10 @@ class cmd_add_record(Command): NS fqdn_string MX "fqdn_string preference" SRV "fqdn_string port priority weight" + TXT "'string1' 'string2' ..." """ - synopsis = '%prog ' + synopsis = '%prog ' takes_args = [ 'server', 'zone', 'name', 'rtype', 'data' ] @@ -991,7 +1031,7 @@ class cmd_add_record(Command): def run(self, server, zone, name, rtype, data, sambaopts=None, credopts=None, versionopts=None): - if rtype.upper() not in ('A','AAAA','PTR','CNAME','NS','MX','SRV'): + if rtype.upper() not in ('A','AAAA','PTR','CNAME','NS','MX','SRV','TXT'): raise CommandError('Adding record of type %s is not supported' % rtype) record_type = dns_type_flag(rtype) @@ -1029,9 +1069,10 @@ class cmd_update_record(Command): NS fqdn_string MX "fqdn_string preference" SRV "fqdn_string port priority weight" + TXT "'string1' 'string2' ..." """ - synopsis = '%prog ' + synopsis = '%prog ' takes_args = [ 'server', 'zone', 'name', 'rtype', 'olddata', 'newdata' ] @@ -1044,7 +1085,7 @@ class cmd_update_record(Command): def run(self, server, zone, name, rtype, olddata, newdata, sambaopts=None, credopts=None, versionopts=None): - if rtype.upper() not in ('A','AAAA','PTR','CNAME','NS','MX','SRV'): + if rtype.upper() not in ('A','AAAA','PTR','CNAME','NS','MX','SRV','TXT'): raise CommandError('Updating record of type %s is not supported' % rtype) record_type = dns_type_flag(rtype) @@ -1091,9 +1132,10 @@ class cmd_delete_record(Command): NS fqdn_string MX "fqdn_string preference" SRV "fqdn_string port priority weight" + TXT "'string1' 'string2' ..." """ - synopsis = '%prog ' + synopsis = '%prog ' takes_args = [ 'server', 'zone', 'name', 'rtype', 'data' ] @@ -1105,7 +1147,7 @@ class cmd_delete_record(Command): def run(self, server, zone, name, rtype, data, sambaopts=None, credopts=None, versionopts=None): - if rtype.upper() not in ('A','AAAA','PTR','CNAME','NS','MX','SRV'): + if rtype.upper() not in ('A','AAAA','PTR','CNAME','NS','MX','SRV','TXT'): raise CommandError('Deleting record of type %s is not supported' % rtype) record_type = dns_type_flag(rtype) -- cgit