python/samba/dnsserver.py

   1 # helper for DNS management tool
   2 #
   3 # Copyright (C) Amitay Isaacs 2011-2012
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 #
  18
  19 from samba.dcerpc import dnsserver, dnsp
  20
  21 #
  22 # Always create a copy of strings when creating DNS_RPC_RECORDs
  23 # to overcome the bug in pidl generated python bindings.
  24 #
  25
  26
  27 class ARecord(dnsserver.DNS_RPC_RECORD):
  28     def __init__(self, ip_addr, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE,
  29                  node_flag=0):
  30         super(ARecord, self).__init__()
  31         self.wType = dnsp.DNS_TYPE_A
  32         self.dwFlags = rank | node_flag
  33         self.dwSerial = serial
  34         self.dwTtlSeconds = ttl
  35         self._ip_addr = ip_addr[:]
  36         self.data = self._ip_addr
  37
  38
  39 class AAAARecord(dnsserver.DNS_RPC_RECORD):
  40
  41     def __init__(self, ip6_addr, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE,
  42                  node_flag=0):
  43         super(AAAARecord, self).__init__()
  44         self.wType = dnsp.DNS_TYPE_AAAA
  45         self.dwFlags = rank | node_flag
  46         self.dwSerial = serial
  47         self.dwTtlSeconds = ttl
  48         self._ip6_addr = ip6_addr[:]
  49         self.data = self._ip6_addr
  50
  51
  52 class PTRRecord(dnsserver.DNS_RPC_RECORD):
  53
  54     def __init__(self, ptr, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE,
  55                  node_flag=0):
  56         super(PTRRecord, self).__init__()
  57         self.wType = dnsp.DNS_TYPE_PTR
  58         self.dwFlags = rank | node_flag
  59         self.dwSerial = serial
  60         self.dwTtlSeconds = ttl
  61         self._ptr = ptr[:]
  62         ptr_name = dnsserver.DNS_RPC_NAME()
  63         ptr_name.str = self._ptr
  64         ptr_name.len = len(ptr)
  65         self.data = ptr_name
  66
  67
  68 class CNameRecord(dnsserver.DNS_RPC_RECORD):
  69
  70     def __init__(self, cname, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE,
  71                  node_flag=0):
  72         super(CNameRecord, self).__init__()
  73         self.wType = dnsp.DNS_TYPE_CNAME
  74         self.dwFlags = rank | node_flag
  75         self.dwSerial = serial
  76         self.dwTtlSeconds = ttl
  77         self._cname = cname[:]
  78         cname_name = dnsserver.DNS_RPC_NAME()
  79         cname_name.str = self._cname
  80         cname_name.len = len(cname)
  81         self.data = cname_name
  82
  83
  84 class NSRecord(dnsserver.DNS_RPC_RECORD):
  85
  86     def __init__(self, dns_server, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE,
  87                  node_flag=0):
  88         super(NSRecord, self).__init__()
  89         self.wType = dnsp.DNS_TYPE_NS
  90         self.dwFlags = rank | node_flag
  91         self.dwSerial = serial
  92         self.dwTtlSeconds = ttl
  93         self._dns_server = dns_server[:]
  94         ns = dnsserver.DNS_RPC_NAME()
  95         ns.str = self._dns_server
  96         ns.len = len(dns_server)
  97         self.data = ns
  98
  99
 100 class MXRecord(dnsserver.DNS_RPC_RECORD):
 101
 102     def __init__(self, mail_server, preference, serial=1, ttl=900,
 103                  rank=dnsp.DNS_RANK_ZONE, node_flag=0):
 104         super(MXRecord, self).__init__()
 105         self.wType = dnsp.DNS_TYPE_MX
 106         self.dwFlags = rank | node_flag
 107         self.dwSerial = serial
 108         self.dwTtlSeconds = ttl
 109         self._mail_server = mail_server[:]
 110         mx = dnsserver.DNS_RPC_RECORD_NAME_PREFERENCE()
 111         mx.wPreference = preference
 112         mx.nameExchange.str = self._mail_server
 113         mx.nameExchange.len = len(mail_server)
 114         self.data = mx
 115
 116
 117 class SOARecord(dnsserver.DNS_RPC_RECORD):
 118
 119     def __init__(self, mname, rname, serial=1, refresh=900, retry=600,
 120                  expire=86400, minimum=3600, ttl=3600, rank=dnsp.DNS_RANK_ZONE,
 121                  node_flag=dnsp.DNS_RPC_FLAG_AUTH_ZONE_ROOT):
 122         super(SOARecord, self).__init__()
 123         self.wType = dnsp.DNS_TYPE_SOA
 124         self.dwFlags = rank | node_flag
 125         self.dwSerial = serial
 126         self.dwTtlSeconds = ttl
 127         self._mname = mname[:]
 128         self._rname = rname[:]
 129         soa = dnsserver.DNS_RPC_RECORD_SOA()
 130         soa.dwSerialNo = serial
 131         soa.dwRefresh = refresh
 132         soa.dwRetry = retry
 133         soa.dwExpire = expire
 134         soa.dwMinimumTtl = minimum
 135         soa.NamePrimaryServer.str = self._mname
 136         soa.NamePrimaryServer.len = len(mname)
 137         soa.ZoneAdministratorEmail.str = self._rname
 138         soa.ZoneAdministratorEmail.len = len(rname)
 139         self.data = soa
 140
 141
 142 class SRVRecord(dnsserver.DNS_RPC_RECORD):
 143
 144     def __init__(self, target, port, priority=0, weight=100, serial=1, ttl=900,
 145                  rank=dnsp.DNS_RANK_ZONE, node_flag=0):
 146         super(SRVRecord, self).__init__()
 147         self.wType = dnsp.DNS_TYPE_SRV
 148         self.dwFlags = rank | node_flag
 149         self.dwSerial = serial
 150         self.dwTtlSeconds = ttl
 151         self._target = target[:]
 152         srv = dnsserver.DNS_RPC_RECORD_SRV()
 153         srv.wPriority = priority
 154         srv.wWeight = weight
 155         srv.wPort = port
 156         srv.nameTarget.str = self._target
 157         srv.nameTarget.len = len(target)
 158         self.data = srv
 159
 160
 161 class TXTRecord(dnsserver.DNS_RPC_RECORD):
 162
 163     def __init__(self, slist, serial=1, ttl=900, rank=dnsp.DNS_RANK_ZONE,
 164                  node_flag=0):
 165         super(TXTRecord, self).__init__()
 166         self.wType = dnsp.DNS_TYPE_TXT
 167         self.dwFlags = rank | node_flag
 168         self.dwSerial = serial
 169         self.dwTtlSeconds = ttl
 170         self._slist = []
 171         for s in slist:
 172             self._slist.append(s[:])
 173         names = []
 174         for s in self._slist:
 175             name = dnsserver.DNS_RPC_NAME()
 176             name.str = s
 177             name.len = len(s)
 178             names.append(name)
 179         txt = dnsserver.DNS_RPC_RECORD_STRING()
 180         txt.count = len(slist)
 181         txt.str = names
 182         self.data = txt