release/src/router/samba3/source/include/nameserv.h

   1 #ifndef _NAMESERV_H_
   2 #define _NAMESERV_H_
   3 /*
   4    Unix SMB/CIFS implementation.
   5    NBT netbios header - version 2
   6    Copyright (C) Andrew Tridgell 1994-1998
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21
  22 */
  23
  24 #define INFO_VERSION    "INFO/version"
  25 #define INFO_COUNT      "INFO/num_entries"
  26 #define INFO_ID_HIGH    "INFO/id_high"
  27 #define INFO_ID_LOW     "INFO/id_low"
  28 #define ENTRY_PREFIX    "ENTRY/"
  29
  30 #define PERMANENT_TTL 0
  31
  32 /* NTAS uses 2, NT uses 1, WfWg uses 0 */
  33 #define MAINTAIN_LIST    2
  34 #define ELECTION_VERSION 1
  35
  36 #define MAX_DGRAM_SIZE (576) /* tcp/ip datagram limit is 576 bytes */
  37 #define MIN_DGRAM_SIZE 12
  38
  39 /*********************************************************
  40  Types of reply packet.
  41 **********************************************************/
  42
  43 enum netbios_reply_type_code { NMB_QUERY, NMB_STATUS, NMB_REG, NMB_REG_REFRESH,
  44                                NMB_REL, NMB_WAIT_ACK, NMB_MULTIHOMED_REG,
  45                                WINS_REG, WINS_QUERY };
  46
  47 /* From rfc1002, 4.2.1.2 */
  48 /* Question types. */
  49 #define QUESTION_TYPE_NB_QUERY  0x20
  50 #define QUESTION_TYPE_NB_STATUS 0x21
  51
  52 /* Question class */
  53 #define QUESTION_CLASS_IN  0x1
  54
  55 /* Opcode definitions */
  56 #define NMB_NAME_QUERY_OPCODE       0x0
  57 #define NMB_NAME_REG_OPCODE         0x05 /* see rfc1002.txt 4.2.2,3,5,6,7,8 */
  58 #define NMB_NAME_RELEASE_OPCODE     0x06 /* see rfc1002.txt 4.2.9,10,11 */
  59 #define NMB_WACK_OPCODE             0x07 /* see rfc1002.txt 4.2.16 */
  60 /* Ambiguity in rfc1002 about which of these is correct. */
  61 /* WinNT uses 8 by default but can be made to use 9. */
  62 #define NMB_NAME_REFRESH_OPCODE_8   0x08 /* see rfc1002.txt 4.2.4 */
  63 #define NMB_NAME_REFRESH_OPCODE_9   0x09 /* see rfc1002.txt 4.2.4 */
  64 #define NMB_NAME_MULTIHOMED_REG_OPCODE 0x0F /* Invented by Microsoft. */
  65
  66 /* XXXX what about all the other types?? 0x1, 0x2, 0x3, 0x4, 0x8? */
  67
  68 /* Resource record types. rfc1002 4.2.1.3 */
  69 #define RR_TYPE_A                  0x1
  70 #define RR_TYPE_NS                 0x2
  71 #define RR_TYPE_NULL               0xA
  72 #define RR_TYPE_NB                0x20
  73 #define RR_TYPE_NBSTAT            0x21
  74
  75 /* Resource record class. */
  76 #define RR_CLASS_IN                0x1
  77
  78 /* NetBIOS flags */
  79 #define NB_GROUP  0x80
  80 #define NB_PERM   0x02
  81 #define NB_ACTIVE 0x04
  82 #define NB_CONFL  0x08
  83 #define NB_DEREG  0x10
  84 #define NB_BFLAG  0x00 /* Broadcast node type. */
  85 #define NB_PFLAG  0x20 /* Point-to-point node type. */
  86 #define NB_MFLAG  0x40 /* Mixed bcast & p-p node type. */
  87 #define NB_HFLAG  0x60 /* Microsoft 'hybrid' node type. */
  88 #define NB_NODETYPEMASK 0x60
  89 /* Mask applied to outgoing NetBIOS flags. */
  90 #define NB_FLGMSK 0xE0
  91
  92 /* The wins flags. Looks like the nbflags ! */
  93 #define WINS_UNIQUE     0x00 /* Unique record */
  94 #define WINS_NGROUP     0x01 /* Normal Group eg: 1B */
  95 #define WINS_SGROUP     0x02 /* Special Group eg: 1C */
  96 #define WINS_MHOMED     0x03 /* MultiHomed */
  97
  98 #define WINS_ACTIVE     0x00 /* active record */
  99 #define WINS_RELEASED   0x04 /* released record */
 100 #define WINS_TOMBSTONED 0x08 /* tombstoned record */
 101 #define WINS_DELETED    0x0C /* deleted record */
 102
 103 #define WINS_STATE_MASK 0x0C
 104
 105 #define WINS_LOCAL      0x00 /* local record */
 106 #define WINS_REMOTE     0x10 /* remote record */
 107
 108 #define WINS_BNODE      0x00 /* Broadcast node */
 109 #define WINS_PNODE      0x20 /* PtP node */
 110 #define WINS_MNODE      0x40 /* Mixed node */
 111 #define WINS_HNODE      0x60 /* Hybrid node */
 112
 113 #define WINS_NONSTATIC  0x00 /* dynamic record */
 114 #define WINS_STATIC     0x80 /* static record */
 115
 116 #define WINS_STATE_ACTIVE(p) (((p)->data.wins_flags & WINS_STATE_MASK) == WINS_ACTIVE)
 117
 118
 119 /* NetBIOS flag identifier. */
 120 #define NAME_GROUP(p)  ((p)->data.nb_flags & NB_GROUP)
 121 #define NAME_BFLAG(p) (((p)->data.nb_flags & NB_NODETYPEMASK) == NB_BFLAG)
 122 #define NAME_PFLAG(p) (((p)->data.nb_flags & NB_NODETYPEMASK) == NB_PFLAG)
 123 #define NAME_MFLAG(p) (((p)->data.nb_flags & NB_NODETYPEMASK) == NB_MFLAG)
 124 #define NAME_HFLAG(p) (((p)->data.nb_flags & NB_NODETYPEMASK) == NB_HFLAG)
 125
 126 /* Samba name state for a name in a namelist. */
 127 #define NAME_IS_ACTIVE(p)        ((p)->data.nb_flags & NB_ACTIVE)
 128 #define NAME_IN_CONFLICT(p)      ((p)->data.nb_flags & NB_CONFL)
 129 #define NAME_IS_DEREGISTERING(p) ((p)->data.nb_flags & NB_DEREG)
 130
 131 /* Error codes for NetBIOS requests. */
 132 #define FMT_ERR   0x1       /* Packet format error. */
 133 #define SRV_ERR   0x2       /* Internal server error. */
 134 #define NAM_ERR   0x3       /* Name does not exist. */
 135 #define IMP_ERR   0x4       /* Request not implemented. */
 136 #define RFS_ERR   0x5       /* Request refused. */
 137 #define ACT_ERR   0x6       /* Active error - name owned by another host. */
 138 #define CFT_ERR   0x7       /* Name in conflict error. */
 139
 140 #define REFRESH_TIME (15*60)
 141 #define NAME_POLL_REFRESH_TIME (5*60)
 142 #define NAME_POLL_INTERVAL 15
 143
 144 /* Workgroup state identifiers. */
 145 #define AM_POTENTIAL_MASTER_BROWSER(work) ((work)->mst_state == MST_POTENTIAL)
 146 #define AM_LOCAL_MASTER_BROWSER(work) ((work)->mst_state == MST_BROWSER)
 147 #define AM_DOMAIN_MASTER_BROWSER(work) ((work)->dom_state == DOMAIN_MST)
 148 #define AM_DOMAIN_MEMBER(work) ((work)->log_state == LOGON_SRV)
 149
 150 /* Microsoft browser NetBIOS name. */
 151 #define MSBROWSE "\001\002__MSBROWSE__\002"
 152
 153 /* Mail slots. */
 154 #define BROWSE_MAILSLOT    "\\MAILSLOT\\BROWSE"
 155 #define NET_LOGON_MAILSLOT "\\MAILSLOT\\NET\\NETLOGON"
 156 #define NT_LOGON_MAILSLOT  "\\MAILSLOT\\NET\\NTLOGON"
 157 #define LANMAN_MAILSLOT    "\\MAILSLOT\\LANMAN"
 158
 159 /* Samba definitions for find_name_on_subnet(). */
 160 #define FIND_ANY_NAME   0
 161 #define FIND_SELF_NAME  1
 162
 163 /*
 164  * The different name types that can be in namelists.
 165  *
 166  * SELF_NAME should only be on the broadcast and unicast subnets.
 167  * LMHOSTS_NAME should only be in the remote_broadcast_subnet.
 168  * REGISTER_NAME, DNS_NAME, DNSFAIL_NAME should only be in the wins_server_subnet.
 169  * WINS_PROXY_NAME should only be on the broadcast subnets.
 170  * PERMANENT_NAME can be on all subnets except remote_broadcast_subnet.
 171  *
 172  */
 173
 174 enum name_source {LMHOSTS_NAME, REGISTER_NAME, SELF_NAME, DNS_NAME,
 175                   DNSFAIL_NAME, PERMANENT_NAME, WINS_PROXY_NAME};
 176 enum node_type {B_NODE=0, P_NODE=1, M_NODE=2, NBDD_NODE=3};
 177 enum packet_type {NMB_PACKET, DGRAM_PACKET};
 178
 179 enum master_state {
 180         MST_NONE,
 181         MST_POTENTIAL,
 182         MST_BACKUP,
 183         MST_MSB,
 184         MST_BROWSER,
 185         MST_UNBECOMING_MASTER
 186 };
 187
 188 enum domain_state {
 189         DOMAIN_NONE,
 190         DOMAIN_WAIT,
 191         DOMAIN_MST
 192 };
 193
 194 enum logon_state {
 195         LOGON_NONE,
 196         LOGON_WAIT,
 197         LOGON_SRV
 198 };
 199
 200 struct subnet_record;
 201
 202 struct nmb_data {
 203         uint16 nb_flags;         /* Netbios flags. */
 204         int num_ips;             /* Number of ip entries. */
 205         struct in_addr *ip;      /* The ip list for this name. */
 206
 207         enum name_source source; /* Where the name came from. */
 208
 209         time_t death_time; /* The time the record must be removed (do not remove if 0). */
 210         time_t refresh_time; /* The time the record should be refreshed. */
 211
 212         SMB_BIG_UINT id;                /* unique id */
 213         struct in_addr wins_ip; /* the adress of the wins server this record comes from */
 214
 215         int wins_flags;         /* similar to the netbios flags but different ! */
 216 };
 217
 218 /* This structure represents an entry in a local netbios name list. */
 219 struct name_record {
 220         struct name_record *prev, *next;
 221         struct subnet_record *subnet;
 222         struct nmb_name       name;    /* The netbios name. */
 223         struct nmb_data       data;    /* The netbios data. */
 224 };
 225
 226 /* Browser cache for synchronising browse lists. */
 227 struct browse_cache_record {
 228         struct browse_cache_record *prev, *next;
 229         unstring        lmb_name;
 230         unstring        work_group;
 231         struct in_addr ip;
 232         time_t         sync_time;
 233         time_t         death_time; /* The time the record must be removed. */
 234 };
 235
 236 /* This is used to hold the list of servers in my domain, and is
 237    contained within lists of domains. */
 238
 239 struct server_record {
 240         struct server_record *next;
 241         struct server_record *prev;
 242
 243         struct subnet_record *subnet;
 244
 245         struct server_info_struct serv;
 246         time_t death_time;
 247 };
 248
 249 /* A workgroup structure. It contains a list of servers. */
 250 struct work_record {
 251         struct work_record *next;
 252         struct work_record *prev;
 253
 254         struct subnet_record *subnet;
 255
 256         struct server_record *serverlist;
 257
 258         /* Stage of development from non-local-master up to local-master browser. */
 259         enum master_state mst_state;
 260
 261         /* Stage of development from non-domain-master to domain-master browser. */
 262         enum domain_state dom_state;
 263
 264         /* Stage of development from non-logon-server to logon server. */
 265         enum logon_state log_state;
 266
 267         /* Work group info. */
 268         unstring work_group;
 269         int     token;        /* Used when communicating with backup browsers. */
 270         unstring local_master_browser_name;      /* Current local master browser. */
 271
 272         /* Announce info. */
 273         time_t lastannounce_time;
 274         int announce_interval;
 275         BOOL    needannounce;
 276
 277         /* Timeout time for this workgroup. 0 means permanent. */
 278         time_t death_time;
 279
 280         /* Election info */
 281         BOOL    RunningElection;
 282         BOOL    needelection;
 283         int     ElectionCount;
 284         uint32  ElectionCriterion;
 285
 286         /* Domain master browser info. Used for efficient syncs. */
 287         struct nmb_name dmb_name;
 288         struct in_addr dmb_addr;
 289 };
 290
 291 /* typedefs needed to define copy & free functions for userdata. */
 292 struct userdata_struct;
 293
 294 typedef struct userdata_struct * (*userdata_copy_fn)(struct userdata_struct *);
 295 typedef void (*userdata_free_fn)(struct userdata_struct *);
 296
 297 /* Structure to define any userdata passed around. */
 298
 299 struct userdata_struct {
 300         userdata_copy_fn copy_fn;
 301         userdata_free_fn free_fn;
 302         unsigned int userdata_len;
 303         char data[16]; /* 16 is to ensure alignment/padding on all systems */
 304 };
 305
 306 struct response_record;
 307 struct packet_struct;
 308 struct res_rec;
 309
 310 /* typedef to define the function called when this response packet comes in. */
 311 typedef void (*response_function)(struct subnet_record *, struct response_record *,
 312                                   struct packet_struct *);
 313
 314 /* typedef to define the function called when this response record times out. */
 315 typedef void (*timeout_response_function)(struct subnet_record *,
 316                                           struct response_record *);
 317
 318 /* typedef to define the function called when the request that caused this
 319    response record to be created is successful. */
 320 typedef void (*success_function)(struct subnet_record *, struct userdata_struct *, ...);
 321
 322 /* typedef to define the function called when the request that caused this
 323    response record to be created is unsuccessful. */
 324 typedef void (*fail_function)(struct subnet_record *, struct response_record *, ...);
 325
 326 /* List of typedefs for success and fail functions of the different query
 327    types. Used to catch any compile time prototype errors. */
 328
 329 typedef void (*register_name_success_function)( struct subnet_record *,
 330                                                 struct userdata_struct *,
 331                                                 struct nmb_name *,
 332                                                 uint16,
 333                                                 int,
 334                                                 struct in_addr);
 335 typedef void (*register_name_fail_function)( struct subnet_record *,
 336                                              struct response_record *,
 337                                              struct nmb_name *);
 338
 339 typedef void (*release_name_success_function)( struct subnet_record *,
 340                                                struct userdata_struct *,
 341                                                struct nmb_name *,
 342                                                struct in_addr);
 343 typedef void (*release_name_fail_function)( struct subnet_record *,
 344                                             struct response_record *,
 345                                             struct nmb_name *);
 346
 347 typedef void (*refresh_name_success_function)( struct subnet_record *,
 348                                                struct userdata_struct *,
 349                                                struct nmb_name *,
 350                                                uint16,
 351                                                int,
 352                                                struct in_addr);
 353 typedef void (*refresh_name_fail_function)( struct subnet_record *,
 354                                             struct response_record *,
 355                                             struct nmb_name *);
 356
 357 typedef void (*query_name_success_function)( struct subnet_record *,
 358                                              struct userdata_struct *,
 359                                              struct nmb_name *,
 360                                              struct in_addr,
 361                                              struct res_rec *answers);
 362
 363 typedef void (*query_name_fail_function)( struct subnet_record *,
 364                                           struct response_record *,
 365                                           struct nmb_name *,
 366                                           int);
 367
 368 typedef void (*node_status_success_function)( struct subnet_record *,
 369                                               struct userdata_struct *,
 370                                               struct res_rec *,
 371                                               struct in_addr);
 372 typedef void (*node_status_fail_function)( struct subnet_record *,
 373                                            struct response_record *);
 374
 375 /* Initiated name queries are recorded in this list to track any responses. */
 376
 377 struct response_record {
 378         struct response_record *next;
 379         struct response_record *prev;
 380
 381         uint16 response_id;
 382
 383         /* Callbacks for packets received or not. */
 384         response_function resp_fn;
 385         timeout_response_function timeout_fn;
 386
 387         /* Callbacks for the request succeeding or not. */
 388         success_function success_fn;
 389         fail_function fail_fn;
 390
 391         struct packet_struct *packet;
 392
 393         struct userdata_struct *userdata;
 394
 395         int num_msgs;
 396
 397         time_t repeat_time;
 398         time_t repeat_interval;
 399         int    repeat_count;
 400
 401         /* Recursion protection. */
 402         BOOL in_expiration_processing;
 403 };
 404
 405 /* A subnet structure. It contains a list of workgroups and netbios names. */
 406
 407 /*
 408    B nodes will have their own, totally separate subnet record, with their
 409    own netbios name set. These do NOT interact with other subnet records'
 410    netbios names.
 411 */
 412
 413 enum subnet_type {
 414         NORMAL_SUBNET              = 0,  /* Subnet listed in interfaces list. */
 415         UNICAST_SUBNET             = 1,  /* Subnet for unicast packets. */
 416         REMOTE_BROADCAST_SUBNET    = 2,  /* Subnet for remote broadcasts. */
 417         WINS_SERVER_SUBNET         = 3   /* Only created if we are a WINS server. */
 418 };
 419
 420 struct subnet_record {
 421         struct subnet_record *next;
 422         struct subnet_record *prev;
 423
 424         char  *subnet_name;      /* For Debug identification. */
 425         enum subnet_type type;   /* To catagorize the subnet. */
 426
 427         struct work_record     *workgrouplist; /* List of workgroups. */
 428         struct name_record     *namelist;   /* List of netbios names. */
 429         struct response_record *responselist;  /* List of responses expected. */
 430
 431         BOOL namelist_changed;
 432         BOOL work_changed;
 433
 434         struct in_addr bcast_ip;
 435         struct in_addr mask_ip;
 436         struct in_addr myip;
 437         int nmb_sock;               /* socket to listen for unicast 137. */
 438         int dgram_sock;             /* socket to listen for unicast 138. */
 439 };
 440
 441 /* A resource record. */
 442 struct res_rec {
 443         struct nmb_name rr_name;
 444         int rr_type;
 445         int rr_class;
 446         int ttl;
 447         int rdlength;
 448         char rdata[MAX_DGRAM_SIZE];
 449 };
 450
 451 /* Define these so we can pass info back to caller of name_query */
 452 #define NM_FLAGS_RS 0x80 /* Response. Cheat     */
 453 #define NM_FLAGS_AA 0x40 /* Authoritative       */
 454 #define NM_FLAGS_TC 0x20 /* Truncated           */
 455 #define NM_FLAGS_RD 0x10 /* Recursion Desired   */
 456 #define NM_FLAGS_RA 0x08 /* Recursion Available */
 457 #define NM_FLAGS_B  0x01 /* Broadcast           */
 458
 459 /* An nmb packet. */
 460 struct nmb_packet {
 461         struct {
 462                 int name_trn_id;
 463                 int opcode;
 464                 BOOL response;
 465                 struct {
 466                         BOOL bcast;
 467                         BOOL recursion_available;
 468                         BOOL recursion_desired;
 469                         BOOL trunc;
 470                         BOOL authoritative;
 471                 } nm_flags;
 472                 int rcode;
 473                 int qdcount;
 474                 int ancount;
 475                 int nscount;
 476                 int arcount;
 477         } header;
 478
 479         struct {
 480                 struct nmb_name question_name;
 481                 int question_type;
 482                 int question_class;
 483         } question;
 484
 485         struct res_rec *answers;
 486         struct res_rec *nsrecs;
 487         struct res_rec *additional;
 488 };
 489
 490 /* msg_type field options - from rfc1002. */
 491
 492 #define DGRAM_UNIQUE 0x10
 493 #define DGRAM_GROUP 0x11
 494 #define DGRAM_BROADCAST 0x12
 495 #define DGRAM_ERROR 0x13
 496 #define DGRAM_QUERY_REQUEST 0x14
 497 #define DGRAM_POSITIVE_QUERY_RESPONSE 0x15
 498 #define DGRAM_NEGATIVE_QUERT_RESPONSE 0x16
 499
 500 /* A datagram - this normally contains SMB data in the data[] array. */
 501
 502 struct dgram_packet {
 503         struct {
 504                 int msg_type;
 505                 struct {
 506                         enum node_type node_type;
 507                         BOOL first;
 508                         BOOL more;
 509                 } flags;
 510                 int dgm_id;
 511                 struct in_addr source_ip;
 512                 int source_port;
 513                 int dgm_length;
 514                 int packet_offset;
 515         } header;
 516         struct nmb_name source_name;
 517         struct nmb_name dest_name;
 518         int datasize;
 519         char data[MAX_DGRAM_SIZE];
 520 };
 521
 522 /* Define a structure used to queue packets. This will be a linked
 523  list of nmb packets. */
 524
 525 struct packet_struct
 526 {
 527         struct packet_struct *next;
 528         struct packet_struct *prev;
 529         BOOL locked;
 530         struct in_addr ip;
 531         int port;
 532         int fd;
 533         time_t timestamp;
 534         enum packet_type packet_type;
 535         union {
 536                 struct nmb_packet nmb;
 537                 struct dgram_packet dgram;
 538         } packet;
 539 };
 540
 541 /* NETLOGON opcodes */
 542
 543 #define QUERYFORPDC      7 /* Query for PDC. */
 544 #define SAM_UAS_CHANGE  10 /* Announce change to UAS or SAM. */
 545 #define QUERYFORPDC_R   12 /* Response to Query for PDC. */
 546 #define SAMLOGON        18
 547 #define SAMLOGON_R      19
 548 #define SAMLOGON_UNK_R  21
 549 #define SAMLOGON_AD_UNK_R 23
 550 #define SAMLOGON_AD_R   25
 551
 552 /* Ids for netbios packet types. */
 553
 554 #define ANN_HostAnnouncement         1
 555 #define ANN_AnnouncementRequest      2
 556 #define ANN_Election                 8
 557 #define ANN_GetBackupListReq         9
 558 #define ANN_GetBackupListResp       10
 559 #define ANN_BecomeBackup            11
 560 #define ANN_DomainAnnouncement      12
 561 #define ANN_MasterAnnouncement      13
 562 #define ANN_ResetBrowserState       14
 563 #define ANN_LocalMasterAnnouncement 15
 564
 565
 566 /* Broadcast packet announcement intervals, in minutes. */
 567
 568 /* Attempt to add domain logon and domain master names. */
 569 #define CHECK_TIME_ADD_DOM_NAMES 5
 570
 571 /* Search for master browsers of workgroups samba knows about,
 572    except default. */
 573 #define CHECK_TIME_MST_BROWSE       5
 574
 575 /* Request backup browser announcements from other servers. */
 576 #define CHECK_TIME_ANNOUNCE_BACKUP 15
 577
 578 /* Request host announcements from other servers: min and max of interval. */
 579 #define CHECK_TIME_MIN_HOST_ANNCE   3
 580 #define CHECK_TIME_MAX_HOST_ANNCE  12
 581
 582 /* Announce as master to WINS server and any Primary Domain Controllers. */
 583 #define CHECK_TIME_MST_ANNOUNCE    15
 584
 585 /* Time between syncs from domain master browser to local master browsers. */
 586 #define CHECK_TIME_DMB_TO_LMB_SYNC    15
 587
 588 /* Do all remote announcements this often. */
 589 #define REMOTE_ANNOUNCE_INTERVAL 180
 590
 591 /* what is the maximum period between name refreshes. Note that this only
 592    affects non-permanent self names (in seconds) */
 593 #define MAX_REFRESH_TIME (60*20)
 594
 595 /* The Extinction interval: 4 days, time a node will stay in released state  */
 596 #define EXTINCTION_INTERVAL (4*24*60*60)
 597
 598 /* The Extinction time-out: 1 day, time a node will stay in deleted state */
 599 #define EXTINCTION_TIMEOUT (24*60*60)
 600
 601 /* Macro's to enumerate subnets either with or without
 602    the UNICAST subnet. */
 603
 604 extern struct subnet_record *subnetlist;
 605 extern struct subnet_record *unicast_subnet;
 606 extern struct subnet_record *wins_server_subnet;
 607 extern struct subnet_record *remote_broadcast_subnet;
 608
 609 #define FIRST_SUBNET subnetlist
 610 #define NEXT_SUBNET_EXCLUDING_UNICAST(x) ((x)->next)
 611 #define NEXT_SUBNET_INCLUDING_UNICAST(x) (get_next_subnet_maybe_unicast((x)))
 612
 613 /* wins replication record used between nmbd and wrepld */
 614 typedef struct _WINS_RECORD {
 615         char name[17];
 616         char type;
 617         int nb_flags;
 618         int wins_flags;
 619         SMB_BIG_UINT id;
 620         int num_ips;
 621         struct in_addr ip[25];
 622         struct in_addr wins_ip;
 623 } WINS_RECORD;
 624
 625 /* To be removed. */
 626 enum state_type { TEST };
 627 #endif /* _NAMESERV_H_ */