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|
#!/usr/bin/env python
#
# DNS management tool
#
# Copyright (C) Amitay Isaacs 2011
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import samba.getopt as options
from struct import pack
from socket import inet_ntoa
from samba.netcmd import (
Command,
CommandError,
Option,
SuperCommand,
)
from samba.dcerpc import dnsp, dnsserver
def dns_connect(server, lp, creds):
binding_str = "ncacn_ip_tcp:%s[sign]" % server
dns_conn = dnsserver.dnsserver(binding_str, lp, creds)
return dns_conn
def bool_string(flag):
if flag == 0:
ret = 'FALSE'
elif flag == 1:
ret = 'TRUE'
else:
ret = 'UNKNOWN (0x%x)' % flag
return ret
def enum_string(module, enum_defs, value):
ret = None
for e in enum_defs:
if value == getattr(module, e):
ret = e
break
if not ret:
ret = 'UNKNOWN (0x%x)' % value
return ret
def bitmap_string(module, bitmap_defs, value):
ret = ''
for b in bitmap_defs:
if value & getattr(module, b):
ret += '%s ' % b
if not ret:
ret = 'NONE'
return ret
def boot_method_string(boot_method):
enum_defs = [ 'DNS_BOOT_METHOD_UNINITIALIZED', 'DNS_BOOT_METHOD_FILE',
'DNS_BOOT_METHOD_REGISTRY', 'DNS_BOOT_METHOD_DIRECTORY' ]
return enum_string(dnsserver, enum_defs, boot_method)
def name_check_flag_string(check_flag):
enum_defs = [ 'DNS_ALLOW_RFC_NAMES_ONLY', 'DNS_ALLOW_NONRFC_NAMES',
'DNS_ALLOW_MULTIBYTE_NAMES', 'DNS_ALLOW_ALL_NAMES' ]
return enum_string(dnsserver, enum_defs, check_flag)
def zone_type_string(zone_type):
enum_defs = [ 'DNS_ZONE_TYPE_CACHE', 'DNS_ZONE_TYPE_PRIMARY',
'DNS_ZONE_TYPE_SECONDARY', 'DNS_ZONE_TYPE_STUB',
'DNS_ZONE_TYPE_FORWARDER', 'DNS_ZONE_TYPE_SECONDARY_CACHE' ]
return enum_string(dnsp, enum_defs, zone_type)
def zone_update_string(zone_update):
enum_defs = [ 'DNS_ZONE_UPDATE_OFF', 'DNS_ZONE_UPDATE_SECURE',
'DNS_ZONE_UPDATE_SECURE' ]
return enum_string(dnsp, enum_defs, zone_update)
def zone_secondary_security_string(security):
enum_defs = [ 'DNS_ZONE_SECSECURE_NO_SECURITY', 'DNS_ZONE_SECSECURE_NS_ONLY',
'DNS_ZONE_SECSECURE_LIST_ONLY', 'DNS_ZONE_SECSECURE_NO_XFER' ]
return enum_string(dnsserver, enum_defs, security)
def zone_notify_level_string(notify_level):
enum_defs = [ 'DNS_ZONE_NOTIFY_OFF', 'DNS_ZONE_NOTIFY_ALL_SECONDARIES',
'DNS_ZONE_NOTIFY_LIST_ONLY' ]
return enum_string(dnsserver, enum_defs, notify_level)
def dp_flags_string(dp_flags):
bitmap_defs = [ 'DNS_DP_AUTOCREATED', 'DNS_DP_LEGACY', 'DNS_DP_DOMAIN_DEFAULT',
'DNS_DP_FOREST_DEFAULT', 'DNS_DP_ENLISTED', 'DNS_DP_DELETED' ]
return bitmap_string(dnsserver, bitmap_defs, dp_flags)
def zone_flags_string(flags):
bitmap_defs = [ 'DNS_RPC_ZONE_PAUSED', 'DNS_RPC_ZONE_SHUTDOWN',
'DNS_RPC_ZONE_REVERSE', 'DNS_RPC_ZONE_AUTOCREATED',
'DNS_RPC_ZONE_DSINTEGRATED', 'DNS_RPC_ZONE_AGING',
'DNS_RPC_ZONE_UPDATE_UNSECURE', 'DNS_RPC_ZONE_UPDATE_SECURE',
'DNS_RPC_ZONE_READONLY']
return bitmap_string(dnsserver, bitmap_defs, flags)
def ip4_array_string(array):
ret = []
if not array:
return ret
for i in xrange(array.AddrCount):
addr = '%s' % inet_ntoa(pack('i', array.AddrArray[i]))
ret.append(addr)
return ret
def dns_addr_array_string(array):
ret = []
if not array:
return ret
for i in xrange(array.AddrCount):
if array.AddrArray[i].MaxSa[0] == 0x02:
addr = '%d.%d.%d.%d (%d)' % \
tuple(array.AddrArray[i].MaxSa[4:8] + [array.AddrArray[i].MaxSa[3]])
elif array.AddrArray[i].MaxSa[0] == 0x17:
addr = '%x%x:%x%x:%x%x:%x%x:%x%x:%x%x:%x%x:%x%x (%d)' % \
tuple(array.AddrArray[i].MaxSa[4:20] + [array.AddrArray[i].MaxSa[3]])
else:
addr = 'UNKNOWN'
ret.append(addr)
return ret
def dns_type_flag(rec_type):
rtype = rec_type.upper()
if rtype == 'A':
record_type = dnsp.DNS_TYPE_A
elif rtype == 'AAAA':
record_type = dnsp.DNS_TYPE_AAAA
elif rtype == 'PTR':
record_type = dnsp.DNS_TYPE_PTR
elif rtype == 'NS':
record_type = dnsp.DNS_TYPE_NS
elif rtype == 'CNAME':
record_type = dnsp.DNS_TYPE_CNAME
elif rtype == 'SOA':
record_type = dnsp.DNS_TYPE_SOA
elif rtype == 'MX':
record_type = dnsp.DNS_TYPE_MX
elif rtype == 'SRV':
record_type = dnsp.DNS_TYPE_SRV
elif rtype == 'ALL':
record_type = dnsp.DNS_TYPE_ALL
else:
raise CommandError('Unknown type of DNS record %s' % rec_type)
return record_type
def dns_client_version(cli_version):
version = cli_version.upper()
if version == 'W2K':
client_version = dnsserver.DNS_CLIENT_VERSION_W2K
elif version == 'DOTNET':
client_version = dnsserver.DNS_CLIENT_VERSION_DOTNET
elif version == 'LONGHORN':
client_version = dnsserver.DNS_CLIENT_VERSION_LONGHORN
else:
raise CommandError('Unknown client version %s' % cli_version)
return client_version
def print_serverinfo(outf, typeid, serverinfo):
outf.write(' dwVersion : 0x%x\n' % serverinfo.dwVersion)
outf.write(' fBootMethod : %s\n' % boot_method_string(serverinfo.fBootMethod))
outf.write(' fAdminConfigured : %s\n' % bool_string(serverinfo.fAdminConfigured))
outf.write(' fAllowUpdate : %s\n' % bool_string(serverinfo.fAllowUpdate))
outf.write(' fDsAvailable : %s\n' % bool_string(serverinfo.fDsAvailable))
outf.write(' pszServerName : %s\n' % serverinfo.pszServerName)
outf.write(' pszDsContainer : %s\n' % serverinfo.pszDsContainer)
if typeid != dnsserver.DNSSRV_TYPEID_SERVER_INFO:
outf.write(' aipServerAddrs : %s\n' %
ip4_array_string(serverinfo.aipServerAddrs))
outf.write(' aipListenAddrs : %s\n' %
ip4_array_string(serverinfo.aipListenAddrs))
outf.write(' aipForwarders : %s\n' %
ip4_array_string(serverinfo.aipForwarders))
else:
outf.write(' aipServerAddrs : %s\n' %
dns_addr_array_string(serverinfo.aipServerAddrs))
outf.write(' aipListenAddrs : %s\n' %
dns_addr_array_string(serverinfo.aipListenAddrs))
outf.write(' aipForwarders : %s\n' %
dns_addr_array_string(serverinfo.aipForwarders))
outf.write(' dwLogLevel : %d\n' % serverinfo.dwLogLevel)
outf.write(' dwDebugLevel : %d\n' % serverinfo.dwDebugLevel)
outf.write(' dwForwardTimeout : %d\n' % serverinfo.dwForwardTimeout)
outf.write(' dwRpcPrototol : 0x%x\n' % serverinfo.dwRpcProtocol)
outf.write(' dwNameCheckFlag : %s\n' % name_check_flag_string(serverinfo.dwNameCheckFlag))
outf.write(' cAddressAnswerLimit : %d\n' % serverinfo.cAddressAnswerLimit)
outf.write(' dwRecursionRetry : %d\n' % serverinfo.dwRecursionRetry)
outf.write(' dwRecursionTimeout : %d\n' % serverinfo.dwRecursionTimeout)
outf.write(' dwMaxCacheTtl : %d\n' % serverinfo.dwMaxCacheTtl)
outf.write(' dwDsPollingInterval : %d\n' % serverinfo.dwDsPollingInterval)
outf.write(' dwScavengingInterval : %d\n' % serverinfo.dwScavengingInterval)
outf.write(' dwDefaultRefreshInterval : %d\n' % serverinfo.dwDefaultRefreshInterval)
outf.write(' dwDefaultNoRefreshInterval : %d\n' % serverinfo.dwDefaultNoRefreshInterval)
outf.write(' fAutoReverseZones : %s\n' % bool_string(serverinfo.fAutoReverseZones))
outf.write(' fAutoCacheUpdate : %s\n' % bool_string(serverinfo.fAutoCacheUpdate))
outf.write(' fRecurseAfterForwarding : %s\n' % bool_string(serverinfo.fRecurseAfterForwarding))
outf.write(' fForwardDelegations : %s\n' % bool_string(serverinfo.fForwardDelegations))
outf.write(' fNoRecursion : %s\n' % bool_string(serverinfo.fNoRecursion))
outf.write(' fSecureResponses : %s\n' % bool_string(serverinfo.fSecureResponses))
outf.write(' fRoundRobin : %s\n' % bool_string(serverinfo.fRoundRobin))
outf.write(' fLocalNetPriority : %s\n' % bool_string(serverinfo.fLocalNetPriority))
outf.write(' fBindSecondaries : %s\n' % bool_string(serverinfo.fBindSecondaries))
outf.write(' fWriteAuthorityNs : %s\n' % bool_string(serverinfo.fWriteAuthorityNs))
outf.write(' fStrictFileParsing : %s\n' % bool_string(serverinfo.fStrictFileParsing))
outf.write(' fLooseWildcarding : %s\n' % bool_string(serverinfo.fLooseWildcarding))
outf.write(' fDefaultAgingState : %s\n' % bool_string(serverinfo.fDefaultAgingState))
if typeid != dnsserver.DNSSRV_TYPEID_SERVER_INFO_W2K:
outf.write(' dwRpcStructureVersion : 0x%x\n' % serverinfo.dwRpcStructureVersion)
outf.write(' aipLogFilter : %s\n' % dns_addr_array_string(serverinfo.aipLogFilter))
outf.write(' pwszLogFilePath : %s\n' % serverinfo.pwszLogFilePath)
outf.write(' pszDomainName : %s\n' % serverinfo.pszDomainName)
outf.write(' pszForestName : %s\n' % serverinfo.pszForestName)
outf.write(' pszDomainDirectoryPartition : %s\n' % serverinfo.pszDomainDirectoryPartition)
outf.write(' pszForestDirectoryPartition : %s\n' % serverinfo.pszForestDirectoryPartition)
outf.write(' dwLocalNetPriorityNetMask : 0x%x\n' % serverinfo.dwLocalNetPriorityNetMask)
outf.write(' dwLastScavengeTime : %d\n' % serverinfo.dwLastScavengeTime)
outf.write(' dwEventLogLevel : %d\n' % serverinfo.dwEventLogLevel)
outf.write(' dwLogFileMaxSize : %d\n' % serverinfo.dwLogFileMaxSize)
outf.write(' dwDsForestVersion : %d\n' % serverinfo.dwDsForestVersion)
outf.write(' dwDsDomainVersion : %d\n' % serverinfo.dwDsDomainVersion)
outf.write(' dwDsDsaVersion : %d\n' % serverinfo.dwDsDsaVersion)
if typeid == dnsserver.DNSSRV_TYPEID_SERVER_INFO:
outf.write(' fReadOnlyDC : %s\n' % bool_string(serverinfo.fReadOnlyDC))
def print_zoneinfo(outf, typeid, zoneinfo):
outf.write(' pszZoneName : %s\n' % zoneinfo.pszZoneName)
outf.write(' dwZoneType : %s\n' % zone_type_string(zoneinfo.dwZoneType))
outf.write(' fReverse : %s\n' % bool_string(zoneinfo.fReverse))
outf.write(' fAllowUpdate : %s\n' % zone_update_string(zoneinfo.fAllowUpdate))
outf.write(' fPaused : %s\n' % bool_string(zoneinfo.fPaused))
outf.write(' fShutdown : %s\n' % bool_string(zoneinfo.fShutdown))
outf.write(' fAutoCreated : %s\n' % bool_string(zoneinfo.fAutoCreated))
outf.write(' fUseDatabase : %s\n' % bool_string(zoneinfo.fUseDatabase))
outf.write(' pszDataFile : %s\n' % zoneinfo.pszDataFile)
if typeid != dnsserver.DNSSRV_TYPEID_ZONE_INFO:
outf.write(' aipMasters : %s\n' %
ip4_array_string(zoneinfo.aipMasters))
else:
outf.write(' aipMasters : %s\n' %
dns_addr_array_string(zoneinfo.aipMasters))
outf.write(' fSecureSecondaries : %s\n' % zone_secondary_security_string(zoneinfo.fSecureSecondaries))
outf.write(' fNotifyLevel : %s\n' % zone_notify_level_string(zoneinfo.fNotifyLevel))
if typeid != dnsserver.DNSSRV_TYPEID_ZONE_INFO:
outf.write(' aipSecondaries : %s\n' %
ip4_array_string(zoneinfo.aipSecondaries))
outf.write(' aipNotify : %s\n' %
ip4_array_string(zoneinfo.aipNotify))
else:
outf.write(' aipSecondaries : %s\n' %
dns_addr_array_string(zoneinfo.aipSecondaries))
outf.write(' aipNotify : %s\n' %
dns_addr_array_string(zoneinfo.aipNotify))
outf.write(' fUseWins : %s\n' % bool_string(zoneinfo.fUseWins))
outf.write(' fUseNbstat : %s\n' % bool_string(zoneinfo.fUseNbstat))
outf.write(' fAging : %s\n' % bool_string(zoneinfo.fAging))
outf.write(' dwNoRefreshInterval : %d\n' % zoneinfo.dwNoRefreshInterval)
outf.write(' dwRefreshInterval : %d\n' % zoneinfo.dwRefreshInterval)
outf.write(' dwAvailForScavengeTime : %d\n' % zoneinfo.dwAvailForScavengeTime)
if typeid != dnsserver.DNSSRV_TYPEID_ZONE_INFO:
outf.write(' aipScavengeServers : %s\n' %
ip4_array_string(zoneinfo.aipScavengeServers))
else:
outf.write(' aipScavengeServers : %s\n' %
dns_addr_array_string(zoneinfo.aipScavengeServers))
if typeid != dnsserver.DNSSRV_TYPEID_ZONE_INFO_W2K:
outf.write(' dwRpcStructureVersion : 0x%x\n' % zoneinfo.dwRpcStructureVersion)
outf.write(' dwForwarderTimeout : %d\n' % zoneinfo.dwForwarderTimeout)
outf.write(' fForwarderSlave : %d\n' % zoneinfo.fForwarderSlave)
if typeid != dnsserver.DNSSRV_TYPEID_ZONE_INFO:
outf.write(' aipLocalMasters : %s\n' %
ip4_array_string(zoneinfo.aipLocalMasters))
else:
outf.write(' aipLocalMasters : %s\n' %
dns_addr_array_string(zoneinfo.aipLocalMasters))
outf.write(' dwDpFlags : %s\n' % dp_flags_string(zoneinfo.dwDpFlags))
outf.write(' pszDpFqdn : %s\n' % zoneinfo.pszDpFqdn)
outf.write(' pwszZoneDn : %s\n' % zoneinfo.pwszZoneDn)
outf.write(' dwLastSuccessfulSoaCheck : %d\n' % zoneinfo.dwLastSuccessfulSoaCheck)
outf.write(' dwLastSuccessfulXfr : %d\n' % zoneinfo.dwLastSuccessfulXfr)
if typeid == dnsserver.DNSSRV_TYPEID_ZONE_INFO:
outf.write(' fQueuedForBackgroundLoad : %s\n' % bool_string(zoneinfo.fQueuedForBackgroundLoad))
outf.write(' fBackgroundLoadInProgress : %s\n' % bool_string(zoneinfo.fBackgroundLoadInProgress))
outf.write(' fReadOnlyZone : %s\n' % bool_string(zoneinfo.fReadOnlyZone))
outf.write(' dwLastXfrAttempt : %d\n' % zoneinfo.dwLastXfrAttempt)
outf.write(' dwLastXfrResult : %d\n' % zoneinfo.dwLastXfrResult)
def print_zone(outf, typeid, zone):
outf.write(' pszZoneName : %s\n' % zone.pszZoneName)
outf.write(' Flags : %s\n' % zone_flags_string(zone.Flags))
outf.write(' ZoneType : %s\n' % zone_type_string(zone.ZoneType))
outf.write(' Version : %s\n' % zone.Version)
if typeid != dnsserver.DNSSRV_TYPEID_ZONE_W2K:
outf.write(' dwDpFlags : %s\n' % dp_flags_string(zone.dwDpFlags))
outf.write(' pszDpFqdn : %s\n' % zone.pszDpFqdn)
def print_enumzones(outf, typeid, zones):
outf.write(' %d zone(s) found\n' % zones.dwZoneCount)
for zone in zones.ZoneArray:
outf.write('\n')
print_zone(outf, typeid, zone)
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:
mesg = 'AAAA: %s' % (rec.data)
elif rec.wType == dnsp.DNS_TYPE_PTR:
mesg = 'PTR: %s' % (rec.data.str)
elif rec.wType == dnsp.DNS_TYPE_NS:
mesg = 'NS: %s' % (rec.data.str)
elif rec.wType == dnsp.DNS_TYPE_CNAME:
mesg = 'CNAME: %s' % (rec.data.str)
elif rec.wType == dnsp.DNS_TYPE_SOA:
mesg = 'SOA: serial=%d, refresh=%d, retry=%d, expire=%d, ns=%s, email=%s' % (
rec.data.dwSerialNo,
rec.data.dwRefresh,
rec.data.dwRetry,
rec.data.dwExpire,
rec.data.NamePrimaryServer.str,
rec.data.ZoneAdministratorEmail.str)
elif rec.wType == dnsp.DNS_TYPE_MX:
mesg = 'MX: %s' % (rec.data.str)
elif rec.wType == dnsp.DNS_TYPE_SRV:
mesg = 'SRV: %s (%d)' % (rec.data.nameTarget.str, rec.data.wPort)
outf.write(' %s (flags=%x, serial=%d, ttl=%d)\n' % (
mesg, rec.dwFlags, rec.dwSerial, rec.dwTtlSeconds))
def print_dnsrecords(outf, records):
for rec in records.rec:
outf.write(' Name=%s, Records=%d, Children=%d\n' % (
rec.dnsNodeName.str,
rec.wRecordCount,
rec.dwChildCount))
for dns_rec in rec.records:
print_dns_record(outf, dns_rec)
class ARecord(dnsserver.DNS_RPC_RECORD):
def __init__(self, ip_addr, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE,
node_flag=0):
super(ARecord, self).__init__()
self.wType = dnsp.DNS_TYPE_A
self.dwFlags = rank | node_flag
self.dwSerial = serial
self.dwTtlSeconds = ttl
self.data = ip_addr
class AAAARecord(dnsserver.DNS_RPC_RECORD):
def __init__(self, ip6_addr, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE,
node_flag=0):
super(AAAARecord, self).__init__()
self.wType = dnsp.DNS_TYPE_AAAA
self.dwFlags = rank | node_flag
self.dwSerial = serial
self.dwTtlSeconds = ttl
self.data = ip6_addr
class PTRRecord(dnsserver.DNS_RPC_RECORD):
def __init__(self, ptr, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE,
node_flag=0):
super(PTRRecord, self).__init__()
self.wType = dnsp.DNS_TYPE_PTR
self.dwFlags = rank | node_flag
self.dwSerial = serial
self.dwTtleSeconds = ttl
ptr_name = dnsserver.DNS_RPC_NAME()
ptr_name.str = ptr
ptr_name.len = len(ptr)
self.data = ptr_name
class CNameRecord(dnsserver.DNS_RPC_RECORD):
def __init__(self, cname, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE,
node_flag=0):
super(CNameRecord, self).__init__()
self.wType = dnsp.DNS_TYPE_CNAME
self.dwFlags = rank | node_flag
self.dwSerial = serial
self.dwTtlSeconds = ttl
cname_name = dnsserver.DNS_RPC_NAME()
cname_name.str = cname
cname_name.len = len(cname)
self.data = cname_name
class NSRecord(dnsserver.DNS_RPC_RECORD):
def __init__(self, dns_server, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE,
node_flag=0):
super(NSRecord, self).__init__()
self.wType = dnsp.DNS_TYPE_NS
self.dwFlags = rank | node_flag
self.dwSerial = serial
self.dwTtlSeconds = ttl
ns = dnsserver.DNS_RPC_NAME()
ns.str = dns_server
ns.len = len(dns_server)
self.data = ns
#
# FIXME: In MXRecord, SOARecord, SRVRecord keep a reference to strings
# to overcome the bug in pidl generated python bindings.
#
class MXRecord(dnsserver.DNS_RPC_RECORD):
def __init__(self, mail_server, preference, serial=1, ttl=900,
rank=dnsp.DNS_RANK_ZONE, node_flag=0):
super(MXRecord, self).__init__()
self.wType = dnsp.DNS_TYPE_MX
self.dwFlags = rank | node_flag
self.dwSerial = serial
self.dwTtlSeconds = ttl
mx = dnsserver.DNS_RPC_RECORD_NAME_PREFERENCE()
mx.wPreference = preference
self._mail_server = mail_server
mx.nameExchange.str = self._mail_server
mx.nameExchange.len = len(self._mail_server)
self.data = mx
class SOARecord(dnsserver.DNS_RPC_RECORD):
def __init__(self, mname, rname, serial=1, refresh=900, retry=600,
expire=86400, minimum=3600, ttl=3600, rank=dnsp.DNS_RANK_ZONE,
node_flag=dnsp.DNS_RPC_FLAG_AUTH_ZONE_ROOT):
super(SOARecord, self).__init__()
self.wType = dnsp.DNS_TYPE_SOA
self.dwFlags = rank | node_flag
self.dwSerial = serial
self.dwTtlSeconds = ttl
soa = dnsserver.DNS_RPC_RECORD_SOA()
soa.dwSerialNo = serial
soa.dwRefresh = refresh
soa.dwRetry = retry
soa.dwExpire = expire
self._mname = mname
soa.NamePrimaryServer.str = self._mname
soa.NamePrimaryServer.len = len(self._mname)
self._rname = rname
soa.ZoneAdministratorEmail.str = self._rname
soa.ZoneAdministratorEmail.len = len(self._rname)
self.data = soa
class SRVRecord(dnsserver.DNS_RPC_RECORD):
def __init__(self, target, port, priority=0, weight=100, serial=1, ttl=900,
rank=dnsp.DNS_RANK_ZONE, node_flag=0):
super(SRVRecord, self).__init__()
self.wType = dnsp.DNS_TYPE_SRV
self.dwFlags = rank | node_flag
self.dwSerial = serial
self.dwTtlSeconds = ttl
srv = dnsserver.DNS_RPC_RECORD_SRV()
srv.wPriority = priority
srv.wWeight = weight
srv.wPort = port
self._target = target
srv.nameTarget.str = self._target
srv.nameTarget.len = len(self._target)
self.data = srv
# Convert data into a dns record
def data_to_dns_record(record_type, data):
if record_type == dnsp.DNS_TYPE_A:
rec = ARecord(data)
elif record_type == dnsp.DNS_TYPE_AAAA:
rec = AAAARecord(data)
elif record_type == dnsp.DNS_TYPE_PTR:
rec = PTRRecord(data)
elif record_type == dnsp.DNS_TYPE_CNAME:
rec = CNameRecord(data)
elif record_type == dnsp.DNS_TYPE_NS:
rec = NSRecord(data)
elif record_type == dnsp.DNS_TYPE_MX:
tmp = data.split(' ')
if len(tmp) != 2:
raise CommandError('Data requires 2 elements - mail_server, preference')
mail_server = tmp[0]
preference = int(tmp[1])
rec = MXRecord(mail_server, preference)
elif record_type == dnsp.DNS_TYPE_SRV:
tmp = data.split(' ')
if len(tmp) != 4:
raise CommandError('Data requires 4 elements - server, port, priority, weight')
server = tmp[0]
port = int(tmp[1])
priority = int(tmp[2])
weight = int(tmp[3])
rec = SRVRecord(server, port, priority=priority, weight=weight)
elif record_type == dnsp.DNS_TYPE_SOA:
tmp = data.split(' ')
if len(tmp) != 7:
raise CommandError('Data requires 7 elements - nameserver, email, serial, '
'refresh, retry, expire, minimumttl')
nameserver = tmp[0]
email = tmp[1]
serial = int(tmp[2])
refresh = int(tmp[3])
retry = int(tmp[4])
expire = int(tmp[5])
minimum = int(tmp[6])
rec = SOARecord(nameserver, email, serial=serial, refresh=refresh,
retry=retry, expire=expire, minimum=minimum)
else:
raise CommandError('Unsupported record type')
return rec
# Match dns name (of type DNS_RPC_NAME)
def dns_name_equal(n1, n2):
return n1.str.rstrip('.').lower() == n2.str.rstrip('.').lower()
# Match a dns record with specified data
def dns_record_match(dns_conn, server, zone, name, record_type, data):
urec = data_to_dns_record(record_type, data)
select_flags = dnsserver.DNS_RPC_VIEW_AUTHORITY_DATA
try:
buflen, res = dns_conn.DnssrvEnumRecords2(dnsserver.DNS_CLIENT_VERSION_LONGHORN,
0,
server,
zone,
name,
None,
record_type,
select_flags,
None,
None)
except RuntimeError, e:
return None
if not res or res.count == 0:
return None
rec_match = None
for rec in res.rec[0].records:
if rec.wType != record_type:
continue
found = False
if record_type == dnsp.DNS_TYPE_A:
if rec.data == urec.data:
found = True
elif record_type == dnsp.DNS_TYPE_AAAA:
if rec.data == urec.data:
found = True
elif record_type == dnsp.DNS_TYPE_PTR:
if dns_name_equal(rec.data, urec.data):
found = True
elif record_type == dnsp.DNS_TYPE_CNAME:
if dns_name_equal(rec.data, urec.data):
found = True
elif record_type == dnsp.DNS_TYPE_NS:
if dns_name_equal(rec.data, urec.data):
found = True
elif record_type == dnsp.DNS_TYPE_MX:
if dns_name_equal(rec.data.nameExchange, urec.data.nameExchange) and \
rec.data.wPreference == urec.data.wPreference:
found = True
elif record_type == dnsp.DNS_TYPE_SRV:
if rec.data.wPriority == urec.data.wPriority and \
rec.data.wWeight == urec.data.wWeight and \
rec.data.wPort == urec.data.wPort and \
dns_name_equal(rec.data.nameTarget, urec.data.nameTarget):
found = True
elif record_type == dnsp.DNS_TYPE_SOA:
if rec.data.dwSerialNo == urec.data.dwSerialNo and \
rec.data.dwRefresh == urec.data.dwRefresh and \
rec.data.dwRetry == urec.data.dwRetry and \
rec.data.dwExpire == urec.data.dwExpire and \
rec.data.dwMinimumTtl == urec.data.dwMinimumTtl and \
dns_name_equal(rec.data.NamePrimaryServer,
urec.data.NamePrimaryServer) and \
dns_name_equal(rec.data.ZoneAdministratorEmail,
urec.data.ZoneAdministratorEmail):
found = True
if found:
rec_match = rec
break
return rec_match
class cmd_serverinfo(Command):
"""Query for Server information"""
synopsis = '%prog <server> [options]'
takes_args = [ 'server' ]
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions,
"credopts": options.CredentialsOptions,
}
takes_options = [
Option('--client-version', help='Client Version',
default='longhorn', metavar='w2k|dotnet|longhorn',
choices=['w2k','dotnet','longhorn'], dest='cli_ver'),
]
def run(self, server, cli_ver, sambaopts=None, credopts=None, versionopts=None):
self.lp = sambaopts.get_loadparm()
self.creds = credopts.get_credentials(self.lp)
dns_conn = dns_connect(server, self.lp, self.creds)
client_version = dns_client_version(cli_ver)
typeid, res = dns_conn.DnssrvQuery2(client_version,
0,
server,
None,
'ServerInfo')
print_serverinfo(self.outf, typeid, res)
class cmd_zoneinfo(Command):
"""Query for zone information"""
synopsis = '%prog <server> <zone> [options]'
takes_args = [ 'server', 'zone' ]
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions,
"credopts": options.CredentialsOptions,
}
takes_options = [
Option('--client-version', help='Client Version',
default='longhorn', metavar='w2k|dotnet|longhorn',
choices=['w2k','dotnet','longhorn'], dest='cli_ver'),
]
def run(self, server, zone, cli_ver, sambaopts=None, credopts=None, versionopts=None):
self.lp = sambaopts.get_loadparm()
self.creds = credopts.get_credentials(self.lp)
dns_conn = dns_connect(server, self.lp, self.creds)
client_version = dns_client_version(cli_ver)
typeid, res = dns_conn.DnssrvQuery2(client_version,
0,
server,
zone,
'ZoneInfo')
print_zoneinfo(self.outf, typeid, res)
class cmd_zonelist(Command):
"""Query for zones"""
synopsis = '%prog <server> [options]'
takes_args = [ 'server' ]
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions,
"credopts": options.CredentialsOptions,
}
takes_options = [
Option('--client-version', help='Client Version',
default='longhorn', metavar='w2k|dotnet|longhorn',
choices=['w2k','dotnet','longhorn'], dest='cli_ver'),
Option('--primary', help='List primary zones (default)',
action='store_true', dest='primary'),
Option('--secondary', help='List secondary zones',
action='store_true', dest='secondary'),
Option('--cache', help='List cached zones',
action='store_true', dest='cache'),
Option('--auto', help='List automatically created zones',
action='store_true', dest='auto'),
Option('--forward', help='List forward zones',
action='store_true', dest='forward'),
Option('--reverse', help='List reverse zones',
action='store_true', dest='reverse'),
Option('--ds', help='List directory integrated zones',
action='store_true', dest='ds'),
Option('--non-ds', help='List non-directory zones',
action='store_true', dest='nonds')
]
def run(self, server, cli_ver, primary=False, secondary=False, cache=False,
auto=False, forward=False, reverse=False, ds=False, nonds=False,
sambaopts=None, credopts=None, versionopts=None):
request_filter = 0
if primary:
request_filter |= dnsserver.DNS_ZONE_REQUEST_PRIMARY
if secondary:
request_filter |= dnsserver.DNS_ZONE_REQUEST_SECONDARY
if cache:
request_filter |= dnsserver.DNS_ZONE_REQUEST_CACHE
if auto:
request_filter |= dnsserver.DNS_ZONE_REQUEST_AUTO
if forward:
request_filter |= dnsserver.DNS_ZONE_REQUEST_FORWARD
if reverse:
request_filter |= dnsserver.DNS_ZONE_REQUEST_REVERSE
if ds:
request_filter |= dnsserver.DNS_ZONE_REQUEST_DS
if nonds:
request_filter |= dnsserver.DNS_ZONE_REQUEST_NON_DS
if request_filter == 0:
request_filter = dnsserver.DNS_ZONE_REQUEST_PRIMARY
self.lp = sambaopts.get_loadparm()
self.creds = credopts.get_credentials(self.lp)
dns_conn = dns_connect(server, self.lp, self.creds)
client_version = dns_client_version(cli_ver)
typeid, res = dns_conn.DnssrvComplexOperation2(client_version,
0,
server,
None,
'EnumZones',
dnsserver.DNSSRV_TYPEID_DWORD,
request_filter)
if client_version == dnsserver.DNS_CLIENT_VERSION_W2K:
typeid = dnsserver.DNSSRV_TYPEID_ZONE_W2K
else:
typeid = dnsserver.DNSSRV_TYPEID_ZONE
print_enumzones(self.outf, typeid, res)
class cmd_zonecreate(Command):
"""Create a zone"""
synopsis = '%prog <server> <zone> [options]'
takes_args = [ 'server', 'zone' ]
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions,
"credopts": options.CredentialsOptions,
}
takes_options = [
Option('--client-version', help='Client Version',
default='longhorn', metavar='w2k|dotnet|longhorn',
choices=['w2k','dotnet','longhorn'], dest='cli_ver')
]
def run(self, server, zone, cli_ver, sambaopts=None, credopts=None,
versionopts=None):
self.lp = sambaopts.get_loadparm()
self.creds = credopts.get_credentials(self.lp)
dns_conn = dns_connect(server, self.lp, self.creds)
zone = zone.lower()
client_version = dns_client_version(cli_ver)
if client_version == dnsserver.DNS_CLIENT_VERSION_W2K:
typeid = dnsserver.DNSSRV_TYPEID_ZONE_CREATE_W2K
zone_create_info = dnsserver.DNS_RPC_ZONE_CREATE_INFO_W2K()
zone_create_info.pszZoneName = zone
zone_create_info.dwZoneType = dnsp.DNS_ZONE_TYPE_PRIMARY
zone_create_info.fAllowUpdate = dnsp.DNS_ZONE_UPDATE_SECURE
zone_create_info.fAging = 0
elif client_version == dnsserver.DNS_CLIENT_VERSION_DOTNET:
typeid = dnsserver.DNSSRV_TYPEID_ZONE_CREATE_DOTNET
zone_create_info = dnsserver.DNS_RPC_ZONE_CREATE_INFO_DOTNET()
zone_create_info.pszZoneName = zone
zone_create_info.dwZoneType = dnsp.DNS_ZONE_TYPE_PRIMARY
zone_create_info.fAllowUpdate = dnsp.DNS_ZONE_UPDATE_SECURE
zone_create_info.fAging = 0
zone_create_info.dwDpFlags = dnsserver.DNS_DP_DOMAIN_DEFAULT
else:
typeid = dnsserver.DNSSRV_TYPEID_ZONE_CREATE
zone_create_info = dnsserver.DNS_RPC_ZONE_CREATE_INFO_LONGHORN()
zone_create_info.pszZoneName = zone
zone_create_info.dwZoneType = dnsp.DNS_ZONE_TYPE_PRIMARY
zone_create_info.fAllowUpdate = dnsp.DNS_ZONE_UPDATE_SECURE
zone_create_info.fAging = 0
zone_create_info.dwDpFlags = dnsserver.DNS_DP_DOMAIN_DEFAULT
res = dns_conn.DnssrvOperation2(client_version,
0,
server,
None,
0,
'ZoneCreate',
typeid,
zone_create_info)
self.outf.write('Zone %s created successfully\n' % zone)
class cmd_zonedelete(Command):
"""Delete a zone"""
synopsis = '%prog <server> <zone> [options]'
takes_args = [ 'server', 'zone' ]
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions,
"credopts": options.CredentialsOptions,
}
def run(self, server, zone, sambaopts=None, credopts=None, versionopts=None):
self.lp = sambaopts.get_loadparm()
self.creds = credopts.get_credentials(self.lp)
dns_conn = dns_connect(server, self.lp, self.creds)
zone = zone.lower()
res = dns_conn.DnssrvOperation2(dnsserver.DNS_CLIENT_VERSION_LONGHORN,
0,
server,
zone,
0,
'DeleteZoneFromDs',
dnsserver.DNSSRV_TYPEID_NULL,
None)
self.outf.write('Zone %s delete successfully\n' % zone)
class cmd_query(Command):
"""Query a name."""
synopsis = '%prog <server> <zone> <name> <A|AAAA|CNAME|MX|NS|SOA|SRV|ALL> [options]'
takes_args = [ 'server', 'zone', 'name', 'rtype' ]
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions,
"credopts": options.CredentialsOptions,
}
takes_options = [
Option('--authority', help='Search authoritative records (default)',
action='store_true', dest='authority'),
Option('--cache', help='Search cached records',
action='store_true', dest='cache'),
Option('--glue', help='Search glue records',
action='store_true', dest='glue'),
Option('--root', help='Search root hints',
action='store_true', dest='root'),
Option('--additional', help='List additional records',
action='store_true', dest='additional'),
Option('--no-children', help='Do not list children',
action='store_true', dest='no_children'),
Option('--only-children', help='List only children',
action='store_true', dest='only_children')
]
def run(self, server, zone, name, rtype, authority=False, cache=False, glue=False,
root=False, additional=False, no_children=False, only_children=False,
sambaopts=None, credopts=None, versionopts=None):
record_type = dns_type_flag(rtype)
select_flags = 0
if authority:
select_flags |= dnsserver.DNS_RPC_VIEW_AUTHORITY_DATA
if cache:
select_flags |= dnsserver.DNS_RPC_VIEW_CACHE_DATA
if glue:
select_flags |= dnsserver.DNS_RPC_VIEW_GLUE_DATA
if root:
select_flags |= dnsserver.DNS_RPC_VIEW_ROOT_HINT_DATA
if additional:
select_flags |= dnsserver.DNS_RPC_VIEW_ADDITIONAL_DATA
if no_children:
select_flags |= dnsserver.DNS_RPC_VIEW_NO_CHILDREN
if only_children:
select_flags |= dnsserver.DNS_RPC_VIEW_ONLY_CHILDREN
if select_flags == 0:
select_flags = dnsserver.DNS_RPC_VIEW_AUTHORITY_DATA
if select_flags == dnsserver.DNS_RPC_VIEW_ADDITIONAL_DATA:
self.outf.write('Specify either --authority or --root along with --additional.\n')
self.outf.write('Assuming --authority.\n')
select_flags |= dnsserver.DNS_RPC_VIEW_AUTHORITY_DATA
self.lp = sambaopts.get_loadparm()
self.creds = credopts.get_credentials(self.lp)
dns_conn = dns_connect(server, self.lp, self.creds)
buflen, res = dns_conn.DnssrvEnumRecords2(dnsserver.DNS_CLIENT_VERSION_LONGHORN,
0,
server,
zone,
name,
None,
record_type,
select_flags,
None,
None)
print_dnsrecords(self.outf, res)
class cmd_roothints(Command):
"""Query root hints"""
synopsis = '%prog <server> [<name>] [options]'
takes_args = [ 'server', 'name?' ]
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions,
"credopts": options.CredentialsOptions,
}
def run(self, server, name='.', sambaopts=None, credopts=None, versionopts=None):
record_type = dnsp.DNS_TYPE_NS
select_flags = (dnsserver.DNS_RPC_VIEW_ROOT_HINT_DATA |
dnsserver.DNS_RPC_VIEW_ADDITIONAL_DATA)
self.lp = sambaopts.get_loadparm()
self.creds = credopts.get_credentials(self.lp)
dns_conn = dns_connect(server, self.lp, self.creds)
buflen, res = dns_conn.DnssrvEnumRecords2(dnsserver.DNS_CLIENT_VERSION_LONGHORN,
0,
server,
'..RootHints',
name,
None,
record_type,
select_flags,
None,
None)
print_dnsrecords(self.outf, res)
class cmd_add_record(Command):
"""Add a DNS record
For each type data contents are as follows:
A ipv4_address_string
AAAA ipv6_address_string
PTR fqdn_string
CNAME fqdn_string
NS fqdn_string
MX "fqdn_string preference"
SRV "fqdn_string port priority weight"
"""
synopsis = '%prog <server> <zone> <name> <A|AAAA|PTR|CNAME|NS|MX|SRV> <data>'
takes_args = [ 'server', 'zone', 'name', 'rtype', 'data' ]
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions,
"credopts": options.CredentialsOptions,
}
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'):
raise CommandError('Adding record of type %s is not supported' % rtype)
record_type = dns_type_flag(rtype)
rec = data_to_dns_record(record_type, data)
self.lp = sambaopts.get_loadparm()
self.creds = credopts.get_credentials(self.lp)
dns_conn = dns_connect(server, self.lp, self.creds)
rec_match = dns_record_match(dns_conn, server, zone, name, record_type, data)
if rec_match is not None:
raise CommandError('Record already exists')
add_rec_buf = dnsserver.DNS_RPC_RECORD_BUF()
add_rec_buf.rec = rec
dns_conn.DnssrvUpdateRecord2(dnsserver.DNS_CLIENT_VERSION_LONGHORN,
0,
server,
zone,
name,
add_rec_buf,
None)
self.outf.write('Record added successfully\n')
class cmd_update_record(Command):
"""Update a DNS record
For each type data contents are as follows:
A ipv4_address_string
AAAA ipv6_address_string
PTR fqdn_string
CNAME fqdn_string
NS fqdn_string
MX "fqdn_string preference"
SRV "fqdn_string port priority weight"
"""
synopsis = '%prog <server> <zone> <name> <A|AAAA|PTR|CNAME|NS|MX|SRV> <olddata> <newdata>'
takes_args = [ 'server', 'zone', 'name', 'rtype', 'olddata', 'newdata' ]
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions,
"credopts": options.CredentialsOptions,
}
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'):
raise CommandError('Updating record of type %s is not supported' % rtype)
record_type = dns_type_flag(rtype)
rec = data_to_dns_record(record_type, newdata)
self.lp = sambaopts.get_loadparm()
self.creds = credopts.get_credentials(self.lp)
dns_conn = dns_connect(server, self.lp, self.creds)
rec_match = dns_record_match(dns_conn, server, zone, name, record_type, olddata)
if not rec_match:
raise CommandError('Record does not exist')
# Copy properties from existing record to new record
rec.dwFlags = rec_match.dwFlags
rec.dwSerial = rec_match.dwSerial
rec.dwTtlSeconds = rec_match.dwTtlSeconds
rec.dwTimeStamp = rec_match.dwTimeStamp
add_rec_buf = dnsserver.DNS_RPC_RECORD_BUF()
add_rec_buf.rec = rec
del_rec_buf = dnsserver.DNS_RPC_RECORD_BUF()
del_rec_buf.rec = rec_match
dns_conn.DnssrvUpdateRecord2(dnsserver.DNS_CLIENT_VERSION_LONGHORN,
0,
server,
zone,
name,
add_rec_buf,
del_rec_buf)
self.outf.write('Record updated succefully\n')
class cmd_delete_record(Command):
"""Delete a DNS record
For each type data contents are as follows:
A ipv4_address_string
AAAA ipv6_address_string
PTR fqdn_string
CNAME fqdn_string
NS fqdn_string
MX "fqdn_string preference"
SRV "fqdn_string port priority weight"
"""
synopsis = '%prog <server> <zone> <name> <A|AAAA|PTR|CNAME|NS|MX|SRV> <data>'
takes_args = [ 'server', 'zone', 'name', 'rtype', 'data' ]
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions,
"credopts": options.CredentialsOptions,
}
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'):
raise CommandError('Deleting record of type %s is not supported' % rtype)
record_type = dns_type_flag(rtype)
self.lp = sambaopts.get_loadparm()
self.creds = credopts.get_credentials(self.lp)
dns_conn = dns_connect(server, self.lp, self.creds)
rec_match = dns_record_match(dns_conn, server, zone, name, record_type, data)
if not rec_match:
raise CommandError('Record does not exist')
del_rec_buf = dnsserver.DNS_RPC_RECORD_BUF()
del_rec_buf.rec = rec_match
dns_conn.DnssrvUpdateRecord2(dnsserver.DNS_CLIENT_VERSION_LONGHORN,
0,
server,
zone,
name,
None,
del_rec_buf)
self.outf.write('Record deleted succefully\n')
class cmd_dns(SuperCommand):
"""Domain Name Service (DNS) management"""
subcommands = {}
subcommands['serverinfo'] = cmd_serverinfo()
subcommands['zoneinfo'] = cmd_zoneinfo()
subcommands['zonelist'] = cmd_zonelist()
subcommands['zonecreate'] = cmd_zonecreate()
subcommands['zonedelete'] = cmd_zonedelete()
subcommands['query'] = cmd_query()
subcommands['roothints'] = cmd_roothints()
subcommands['add'] = cmd_add_record()
subcommands['update'] = cmd_update_record()
subcommands['delete'] = cmd_delete_record()
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