librpc/idl/dns.idl

   1 #include "idl_types.h"
   2
   3 /*
   4    IDL structures for DNS operations
   5
   6    DNS is not traditionally encoded using IDL/NDR. This is a bit of an
   7    experiment, and I may well switch us back to a more traditional
   8    encoding if it doesn't work out
   9 */
  10
  11 import "misc.idl";
  12 [
  13         helper("librpc/ndr/ndr_dns.h"),
  14         helpstring("DNS records"),
  15         version(0.0),
  16         uuid("a047c001-5f22-40b0-9d52-7042c43f711a")
  17 ]
  18 interface dns
  19 {
  20         const int DNS_SERVICE_PORT       = 53;
  21
  22         typedef [public,bitmap16bit] bitmap {
  23                 DNS_RCODE                   = 0x000F,
  24                 DNS_FLAG_BROADCAST          = 0x0010,
  25                 DNS_FLAG_RECURSION_AVAIL    = 0x0080,
  26                 DNS_FLAG_RECURSION_DESIRED  = 0x0100,
  27                 DNS_FLAG_TRUNCATION         = 0x0200,
  28                 DNS_FLAG_AUTHORITATIVE      = 0x0400,
  29                 DNS_OPCODE                  = 0x7800,
  30                 DNS_FLAG_REPLY              = 0x8000
  31         } dns_operation;
  32
  33         /* the opcodes are in the operation field, masked with
  34            DNS_OPCODE */
  35         typedef [public] enum {
  36                 DNS_OPCODE_QUERY          =  (0x0<<11),
  37                 DNS_OPCODE_IQUERY         =  (0x1<<11),
  38                 DNS_OPCODE_STATUS         =  (0x2<<11),
  39                 DNS_OPCODE_UPDATE         =  (0x5<<11),
  40                 DNS_OPCODE_RELEASE        =  (0x6<<11),
  41                 DNS_OPCODE_WACK           =  (0x7<<11),
  42                 DNS_OPCODE_REFRESH        =  (0x8<<11),
  43                 DNS_OPCODE_REFRESH2       =  (0x9<<11),
  44                 DNS_OPCODE_MULTI_HOME_REG =  (0xf<<11)
  45         } dns_opcode;
  46
  47         /* rcode values */
  48         typedef [public] enum {
  49                 DNS_RCODE_OK       = 0x0,
  50                 DNS_RCODE_FORMERR  = 0x1,
  51                 DNS_RCODE_SERVFAIL = 0x2,
  52                 DNS_RCODE_NXDOMAIN = 0x3,
  53                 DNS_RCODE_NOTIMP   = 0x4,
  54                 DNS_RCODE_REFUSED  = 0x5,
  55                 DNS_RCODE_YXDOMAIN = 0x6,
  56                 DNS_RCODE_YXRRSET  = 0x7,
  57                 DNS_RCODE_NXRRSET  = 0x8,
  58                 DNS_RCODE_NOTAUTH  = 0x9,
  59                 DNS_RCODE_NOTZONE  = 0xA
  60         } dns_rcode;
  61
  62         typedef [public,enum16bit] enum {
  63                 DNS_QCLASS_IN   = 0x0001,
  64                 DNS_QCLASS_NONE = 0x00FE,
  65                 DNS_QCLASS_ANY  = 0x00FF
  66         } dns_qclass;
  67
  68         /* These vese values could have been merged with NBT_QTYPE values, but
  69            DNS_QTYPE_SRV and NBT_QTYPE_STATUS have the same numeric value. */
  70         typedef [public,enum16bit] enum {
  71                 DNS_QTYPE_ZERO   = 0x0000,
  72                 DNS_QTYPE_A      = 0x0001,
  73                 DNS_QTYPE_NS     = 0x0002,
  74                 DNS_QTYPE_MD     = 0x0003,
  75                 DNS_QTYPE_MF     = 0x0004,
  76                 DNS_QTYPE_CNAME  = 0x0005,
  77                 DNS_QTYPE_SOA    = 0x0006,
  78                 DNS_QTYPE_MB     = 0x0007,
  79                 DNS_QTYPE_MG     = 0x0008,
  80                 DNS_QTYPE_MR     = 0x0009,
  81                 DNS_QTYPE_NULL   = 0x000A,
  82                 DNS_QTYPE_WKS    = 0x000B,
  83                 DNS_QTYPE_PTR    = 0x000C,
  84                 DNS_QTYPE_HINFO  = 0x000D,
  85                 DNS_QTYPE_MINFO  = 0x000E,
  86                 DNS_QTYPE_MX     = 0x000F,
  87                 DNS_QTYPE_TXT    = 0x0010,
  88                 DNS_QTYPE_RP     = 0x0011,
  89                 DNS_QTYPE_AFSDB  = 0x0012,
  90                 DNS_QTYPE_X25    = 0x0013,
  91                 DNS_QTYPE_ISDN   = 0x0014,
  92                 DNS_QTYPE_RT     = 0x0015,
  93                 DNS_QTYPE_SIG    = 0x0018,
  94                 DNS_QTYPE_KEY    = 0x0019,
  95                 DNS_QTYPE_AAAA   = 0x001C,
  96                 DNS_QTYPE_LOC    = 0x001D,
  97                 DNS_QTYPE_NXT    = 0x001E,
  98                 DNS_QTYPE_NETBIOS= 0x0020,
  99                 DNS_QTYPE_SRV    = 0x0021,
 100                 DNS_QTYPE_ATMA   = 0x0022,
 101                 DNS_QTYPE_NAPTR  = 0x0023,
 102                 DNS_QTYPE_DNAME  = 0x0027,
 103                 DNS_QTYPE_DS     = 0x002B,
 104                 DNS_QTYPE_RRSIG  = 0x002E,
 105                 DNS_QTYPE_NSEC   = 0x002F,
 106                 DNS_QTYPE_DNSKEY = 0x0030,
 107                 DNS_QTYPE_DHCID  = 0x0031,
 108                 DNS_QTYPE_ALL    = 0x00FF,
 109                 DNS_QTYPE_WINS   = 0xFF01,
 110                 DNS_QTYPE_WINSR  = 0xFF02
 111         } dns_qtype;
 112
 113         typedef [public] struct {
 114                 dns_string name;
 115                 dns_qtype  question_type;
 116                 dns_qclass question_class;
 117         } dns_name_question;
 118
 119         typedef [public] struct {
 120                 uint16 length;
 121                 uint8  data[length];
 122         } dns_rdata_data;
 123
 124         typedef struct {
 125                 dns_string mname;
 126                 dns_string rname;
 127                 uint32     serial;
 128                 uint32     refresh;
 129                 uint32     retry;
 130                 uint32     expire;
 131                 uint32     minimum;
 132         } dns_soa_record;
 133
 134         typedef [public] struct {
 135                 uint16     preference;
 136                 dns_string exchange;
 137         } dns_mx_record;
 138
 139         typedef [public] struct {
 140                 [value(strlen(txt))] uint8 length;
 141                 [charset(DOS)] uint8 txt[length];
 142         } dns_txt_record;
 143
 144         typedef [public] struct {
 145                 uint16     priority;
 146                 uint16     weight;
 147                 uint16     port;
 148                 dns_string target;
 149         } dns_srv_record;
 150
 151         typedef [nodiscriminant,public,flag(NDR_NOALIGN)] union {
 152                 [case(DNS_QTYPE_A)]     ipv4address      ipv4_record;
 153                 [case(DNS_QTYPE_NS)]    dns_string       ns_record;
 154                 [case(DNS_QTYPE_CNAME)] dns_string       cname_record;
 155                 [case(DNS_QTYPE_SOA)]   dns_soa_record   soa_record;
 156                 [case(DNS_QTYPE_PTR)]   dns_string       ptr_record;
 157                 [case(DNS_QTYPE_MX)]    dns_mx_record    mx_record;
 158                 [case(DNS_QTYPE_TXT)]   dns_txt_record   txt_record;
 159                 [case(DNS_QTYPE_AAAA)]  ipv6address      ipv6_record;
 160                 [case(DNS_QTYPE_SRV)]   dns_srv_record   srv_record;
 161                 [default];
 162         } dns_rdata;
 163
 164         typedef [flag(LIBNDR_PRINT_ARRAY_HEX|NDR_NOALIGN),nopush,nopull] struct {
 165                 dns_string name;
 166                 dns_qtype  rr_type;
 167                 dns_qclass rr_class;
 168                 uint32     ttl;
 169                 uint16     length; /* Should be set to either UINT16_MAX or 0 */
 170                 [switch_is(rr_type)] dns_rdata rdata;
 171                 DATA_BLOB  unexpected;
 172         } dns_res_rec;
 173
 174         typedef [flag(NDR_NOALIGN|NDR_BIG_ENDIAN|NDR_PAHEX),public] struct {
 175                 uint16            id;
 176                 dns_operation     operation;
 177                 uint16            qdcount;
 178                 uint16            ancount;
 179                 uint16            nscount;
 180                 uint16            arcount;
 181                 dns_name_question questions[qdcount];
 182                 dns_res_rec       answers[ancount];
 183                 dns_res_rec       nsrecs[nscount];
 184                 dns_res_rec       additional[arcount];
 185         } dns_name_packet;
 186
 187         /*
 188            this is a convenience hook for ndrdump
 189         */
 190         void decode_dns_name_packet(
 191                                     [in] dns_name_packet packet
 192                                    );
 193 }