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", "dnsp.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         const int DNS_MAX_LABELS         = 127;
  22         const int DNS_MAX_DOMAIN_LENGTH  = 253;
  23         const int DNS_MAX_LABEL_LENGTH   = 63;
  24
  25         typedef [public,bitmap16bit] bitmap {
  26                 DNS_RCODE                   = 0x001F,
  27                 DNS_FLAG_RECURSION_AVAIL    = 0x0080,
  28                 DNS_FLAG_RECURSION_DESIRED  = 0x0100,
  29                 DNS_FLAG_TRUNCATION         = 0x0200,
  30                 DNS_FLAG_AUTHORITATIVE      = 0x0400,
  31                 DNS_OPCODE                  = 0x7800,
  32                 DNS_FLAG_REPLY              = 0x8000
  33         } dns_operation;
  34
  35         /* the opcodes are in the operation field, masked with
  36            DNS_OPCODE */
  37         typedef [public] enum {
  38                 DNS_OPCODE_QUERY          =  (0x0<<11),
  39                 DNS_OPCODE_IQUERY         =  (0x1<<11),
  40                 DNS_OPCODE_STATUS         =  (0x2<<11),
  41                 DNS_OPCODE_UPDATE         =  (0x5<<11),
  42                 DNS_OPCODE_RELEASE        =  (0x6<<11),
  43                 DNS_OPCODE_WACK           =  (0x7<<11),
  44                 DNS_OPCODE_REFRESH        =  (0x8<<11),
  45                 DNS_OPCODE_REFRESH2       =  (0x9<<11),
  46                 DNS_OPCODE_MULTI_HOME_REG =  (0xf<<11)
  47         } dns_opcode;
  48
  49         /* rcode values */
  50         typedef [public] enum {
  51                 DNS_RCODE_OK       = 0x00,
  52                 DNS_RCODE_FORMERR  = 0x01,
  53                 DNS_RCODE_SERVFAIL = 0x02,
  54                 DNS_RCODE_NXDOMAIN = 0x03,
  55                 DNS_RCODE_NOTIMP   = 0x04,
  56                 DNS_RCODE_REFUSED  = 0x05,
  57                 DNS_RCODE_YXDOMAIN = 0x06,
  58                 DNS_RCODE_YXRRSET  = 0x07,
  59                 DNS_RCODE_NXRRSET  = 0x08,
  60                 DNS_RCODE_NOTAUTH  = 0x09,
  61                 DNS_RCODE_NOTZONE  = 0x0A,
  62                 DNS_RCODE_BADSIG   = 0x10,
  63                 DNS_RCODE_BADKEY   = 0x11,
  64                 DNS_RCODE_BADTIME  = 0x12,
  65                 DNS_RCODE_BADMODE  = 0x13,
  66                 DNS_RCODE_BADNAME  = 0x14,
  67                 DNS_RCODE_BADALG   = 0x15
  68         } dns_rcode;
  69
  70         typedef [public,enum16bit] enum {
  71                 DNS_QCLASS_IN   = 0x0001,
  72                 DNS_QCLASS_NONE = 0x00FE,
  73                 DNS_QCLASS_ANY  = 0x00FF
  74         } dns_qclass;
  75
  76         /* These vese values could have been merged with NBT_QTYPE values, but
  77            DNS_QTYPE_SRV and NBT_QTYPE_STATUS have the same numeric value. */
  78         typedef [public,enum16bit] enum {
  79                 DNS_QTYPE_ZERO   = 0x0000,
  80                 DNS_QTYPE_A      = 0x0001,
  81                 DNS_QTYPE_NS     = 0x0002,
  82                 DNS_QTYPE_MD     = 0x0003,
  83                 DNS_QTYPE_MF     = 0x0004,
  84                 DNS_QTYPE_CNAME  = 0x0005,
  85                 DNS_QTYPE_SOA    = 0x0006,
  86                 DNS_QTYPE_MB     = 0x0007,
  87                 DNS_QTYPE_MG     = 0x0008,
  88                 DNS_QTYPE_MR     = 0x0009,
  89                 DNS_QTYPE_NULL   = 0x000A,
  90                 DNS_QTYPE_WKS    = 0x000B,
  91                 DNS_QTYPE_PTR    = 0x000C,
  92                 DNS_QTYPE_HINFO  = 0x000D,
  93                 DNS_QTYPE_MINFO  = 0x000E,
  94                 DNS_QTYPE_MX     = 0x000F,
  95                 DNS_QTYPE_TXT    = 0x0010,
  96                 DNS_QTYPE_RP     = 0x0011,
  97                 DNS_QTYPE_AFSDB  = 0x0012,
  98                 DNS_QTYPE_X25    = 0x0013,
  99                 DNS_QTYPE_ISDN   = 0x0014,
 100                 DNS_QTYPE_RT     = 0x0015,
 101                 DNS_QTYPE_SIG    = 0x0018,
 102                 DNS_QTYPE_KEY    = 0x0019,
 103                 DNS_QTYPE_AAAA   = 0x001C,
 104                 DNS_QTYPE_LOC    = 0x001D,
 105                 DNS_QTYPE_NXT    = 0x001E,
 106                 DNS_QTYPE_NETBIOS= 0x0020,
 107                 DNS_QTYPE_SRV    = 0x0021,
 108                 DNS_QTYPE_ATMA   = 0x0022,
 109                 DNS_QTYPE_NAPTR  = 0x0023,
 110                 DNS_QTYPE_DNAME  = 0x0027,
 111                 DNS_QTYPE_OPT    = 0x0029,
 112                 DNS_QTYPE_DS     = 0x002B,
 113                 DNS_QTYPE_RRSIG  = 0x002E,
 114                 DNS_QTYPE_NSEC   = 0x002F,
 115                 DNS_QTYPE_DNSKEY = 0x0030,
 116                 DNS_QTYPE_DHCID  = 0x0031,
 117                 DNS_QTYPE_TKEY   = 0x00F9,
 118                 DNS_QTYPE_TSIG   = 0x00FA,
 119                 DNS_QTYPE_AXFR   = 0x00FC,
 120                 DNS_QTYPE_MAILB  = 0x00FD,
 121                 DNS_QTYPE_MAILA  = 0x00FE,
 122                 DNS_QTYPE_ALL    = 0x00FF
 123         } dns_qtype;
 124
 125         typedef [public,enum16bit] enum {
 126                 DNS_TKEY_MODE_NULL   = 0x0000,
 127                 DNS_TKEY_MODE_SERVER = 0x0001,
 128                 DNS_TKEY_MODE_DH     = 0x0002,
 129                 DNS_TKEY_MODE_GSSAPI = 0x0003,
 130                 DNS_TKEY_MODE_CLIENT = 0x0004,
 131                 DNS_TKEY_MODE_DELETE = 0x0005,
 132                 DNS_TKEY_MODE_LAST   = 0xFFFF
 133         } dns_tkey_mode;
 134
 135         typedef [public] struct {
 136                 dns_string name;
 137                 dns_qtype  question_type;
 138                 dns_qclass question_class;
 139         } dns_name_question;
 140
 141         typedef [public] struct {
 142                 uint16 length;
 143                 uint8  data[length];
 144         } dns_rdata_data;
 145
 146         typedef struct {
 147                 dns_string mname;
 148                 dns_string rname;
 149                 uint32     serial;
 150                 uint32     refresh;
 151                 uint32     retry;
 152                 uint32     expire;
 153                 uint32     minimum;
 154         } dns_soa_record;
 155
 156         typedef [public] struct {
 157                 uint16     preference;
 158                 dns_string exchange;
 159         } dns_mx_record;
 160
 161         typedef [public,nopull] struct {
 162                 dnsp_string_list txt;
 163         } dns_txt_record;
 164
 165         typedef [public] struct {
 166                 dns_string mbox;
 167                 dns_string txt;
 168
 169         } dns_rp_record;
 170
 171         typedef [public] struct {
 172                 uint16     priority;
 173                 uint16     weight;
 174                 uint16     port;
 175                 dns_string target;
 176         } dns_srv_record;
 177
 178         typedef [public] struct {
 179                 uint16     option_code;
 180                 uint16     option_length;
 181                 uint8      option_data[option_length];
 182         } dns_opt_record;
 183
 184         typedef [flag(NDR_NO_COMP),public] struct {
 185                 dns_string     algorithm;
 186                 uint32         inception;
 187                 uint32         expiration;
 188                 dns_tkey_mode  mode;
 189                 uint16         error;
 190                 uint16         key_size;
 191                 uint8          key_data[key_size];
 192                 uint16         other_size;
 193                 uint8          other_data[other_size];
 194         } dns_tkey_record;
 195
 196         typedef [flag(NDR_NO_COMP),public] struct {
 197                 dns_string algorithm_name;
 198                 uint16     time_prefix; /* 0 until February 2106*/
 199                 uint32     time;
 200                 uint16     fudge;
 201                 uint16     mac_size;
 202                 uint8      mac[mac_size];
 203                 uint16     original_id;
 204                 uint16     error;
 205                 uint16     other_size;
 206                 uint8      other_data[other_size];
 207         } dns_tsig_record;
 208
 209         typedef [flag(NDR_NO_COMP|NDR_NOALIGN|NDR_BIG_ENDIAN|NDR_PAHEX),public] struct {
 210                 dns_string      name;
 211                 dns_qclass      rr_class;
 212                 uint32          ttl;
 213                 dns_string      algorithm_name;
 214                 uint16          time_prefix; /* 0 until February 2106*/
 215                 uint32          time;
 216                 uint16          fudge;
 217                 uint16          error;
 218                 uint16          other_size;
 219                 uint8           other_data[other_size];
 220         } dns_fake_tsig_rec;
 221
 222         typedef [nodiscriminant,public,flag(NDR_NOALIGN)] union {
 223                 [case(DNS_QTYPE_A)]     ipv4address      ipv4_record;
 224                 [case(DNS_QTYPE_NS)]    dns_string       ns_record;
 225                 [case(DNS_QTYPE_CNAME)] dns_string       cname_record;
 226                 [case(DNS_QTYPE_SOA)]   dns_soa_record   soa_record;
 227                 [case(DNS_QTYPE_PTR)]   dns_string       ptr_record;
 228                 [case(DNS_QTYPE_HINFO)] dnsp_hinfo       hinfo_record;
 229                 [case(DNS_QTYPE_MX)]    dns_mx_record    mx_record;
 230                 [case(DNS_QTYPE_TXT)]   dns_txt_record   txt_record;
 231                 [case(DNS_QTYPE_RP)]    dns_rp_record    rp_record;
 232                 [case(DNS_QTYPE_AAAA)]  ipv6address      ipv6_record;
 233                 [case(DNS_QTYPE_SRV)]   dns_srv_record   srv_record;
 234                 [case(DNS_QTYPE_OPT)]   dns_opt_record   opt_record;
 235                 [case(DNS_QTYPE_TSIG)]  dns_tsig_record  tsig_record;
 236                 [case(DNS_QTYPE_TKEY)]  dns_tkey_record  tkey_record;
 237                 [default];
 238         } dns_rdata;
 239
 240         typedef [flag(LIBNDR_PRINT_ARRAY_HEX|NDR_NOALIGN),nopush,nopull] struct {
 241                 dns_string name;
 242                 dns_qtype  rr_type;
 243                 dns_qclass rr_class;
 244                 uint32     ttl;
 245                 uint16     length; /* Should be set to either UINT16_MAX or 0 */
 246                 [switch_is(rr_type)] dns_rdata rdata;
 247                 DATA_BLOB  unexpected;
 248         } dns_res_rec;
 249
 250         typedef [flag(NDR_NOALIGN|NDR_BIG_ENDIAN|NDR_PAHEX),public] struct {
 251                 uint16            id;
 252                 dns_operation     operation;
 253                 uint16            qdcount;
 254                 uint16            ancount;
 255                 uint16            nscount;
 256                 uint16            arcount;
 257                 dns_name_question questions[qdcount];
 258                 dns_res_rec       answers[ancount];
 259                 dns_res_rec       nsrecs[nscount];
 260                 dns_res_rec       additional[arcount];
 261         } dns_name_packet;
 262
 263         /*
 264            this is a convenience hook for ndrdump
 265         */
 266         [nopython] void decode_dns_name_packet(
 267                                     [in] dns_name_packet packet
 268                                    );
 269 }