source3/nmbd/nmbd_proto.h

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  NBT netbios routines and daemon - version 2
   4  *
   5  *  Copyright (C) Andrew Tridgell                       1994-1998
   6  *  Copyright (C) Jeremy Allison                        1994-2005
   7  *  Copyright (C) Luke Kenneth Casson Leighton          1994-1998
   8  *  Copyright (C) John H Terpstra                       1995-1998
   9  *  Copyright (C) Christopher R. Hertel                 1998
  10  *  Copyright (C) Jim McDonough <jmcd@us.ibm.com>       2002
  11  *  Copyright (C) Jelmer Vernooij                       2002,2003
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 3 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  25  */
  26
  27 /* The following definitions come from nmbd/asyncdns.c  */
  28
  29 int asyncdns_fd(void);
  30 void kill_async_dns_child(void);
  31 void start_async_dns(void);
  32 void run_dns_queue(void);
  33 bool queue_dns_query(struct packet_struct *p,struct nmb_name *question);
  34 bool queue_dns_query(struct packet_struct *p,struct nmb_name *question);
  35 void kill_async_dns_child(void);
  36
  37 /* The following definitions come from nmbd/nmbd.c  */
  38
  39 struct event_context *nmbd_event_context(void);
  40 struct messaging_context *nmbd_messaging_context(void);
  41
  42 /* The following definitions come from nmbd/nmbd_become_dmb.c  */
  43
  44 void add_domain_names(time_t t);
  45
  46 /* The following definitions come from nmbd/nmbd_become_lmb.c  */
  47
  48 void insert_permanent_name_into_unicast( struct subnet_record *subrec,
  49                                                 struct nmb_name *nmbname, uint16 nb_type );
  50 void unbecome_local_master_browser(struct subnet_record *subrec, struct work_record *work,
  51                                    bool force_new_election);
  52 void become_local_master_browser(struct subnet_record *subrec, struct work_record *work);
  53 void set_workgroup_local_master_browser_name( struct work_record *work, const char *newname);
  54
  55 /* The following definitions come from nmbd/nmbd_browserdb.c  */
  56
  57 void update_browser_death_time( struct browse_cache_record *browc );
  58 struct browse_cache_record *create_browser_in_lmb_cache( const char *work_name,
  59                                                          const char *browser_name,
  60                                                          struct in_addr ip );
  61 struct browse_cache_record *find_browser_in_lmb_cache( const char *browser_name );
  62 void expire_lmb_browsers( time_t t );
  63
  64 /* The following definitions come from nmbd/nmbd_browsesync.c  */
  65
  66 void dmb_expire_and_sync_browser_lists(time_t t);
  67 void announce_and_sync_with_domain_master_browser( struct subnet_record *subrec,
  68                                                    struct work_record *work);
  69 void collect_all_workgroup_names_from_wins_server(time_t t);
  70 void sync_all_dmbs(time_t t);
  71
  72 /* The following definitions come from nmbd/nmbd_elections.c  */
  73
  74 void check_master_browser_exists(time_t t);
  75 void run_elections(time_t t);
  76 void process_election(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
  77 bool check_elections(void);
  78 void nmbd_message_election(struct messaging_context *msg,
  79                            void *private_data,
  80                            uint32_t msg_type,
  81                            struct server_id server_id,
  82                            DATA_BLOB *data);
  83
  84 /* The following definitions come from nmbd/nmbd_incomingdgrams.c  */
  85
  86 void tell_become_backup(void);
  87 void process_host_announce(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
  88 void process_workgroup_announce(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
  89 void process_local_master_announce(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
  90 void process_master_browser_announce(struct subnet_record *subrec,
  91                                      struct packet_struct *p,const char *buf);
  92 void process_lm_host_announce(struct subnet_record *subrec, struct packet_struct *p, const char *buf, int len);
  93 void process_get_backup_list_request(struct subnet_record *subrec,
  94                                      struct packet_struct *p,const char *buf);
  95 void process_reset_browser(struct subnet_record *subrec,
  96                                   struct packet_struct *p,const char *buf);
  97 void process_announce_request(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
  98 void process_lm_announce_request(struct subnet_record *subrec, struct packet_struct *p, const char *buf, int len);
  99
 100 /* The following definitions come from nmbd/nmbd_incomingrequests.c  */
 101
 102 void process_name_release_request(struct subnet_record *subrec,
 103                                   struct packet_struct *p);
 104 void process_name_refresh_request(struct subnet_record *subrec,
 105                                   struct packet_struct *p);
 106 void process_name_registration_request(struct subnet_record *subrec,
 107                                        struct packet_struct *p);
 108 void process_node_status_request(struct subnet_record *subrec, struct packet_struct *p);
 109 void process_name_query_request(struct subnet_record *subrec, struct packet_struct *p);
 110
 111 /* The following definitions come from nmbd/nmbd_lmhosts.c  */
 112
 113 void load_lmhosts_file(const char *fname);
 114 bool find_name_in_lmhosts(struct nmb_name *nmbname, struct name_record **namerecp);
 115
 116 /* The following definitions come from nmbd/nmbd_logonnames.c  */
 117
 118 void add_logon_names(void);
 119
 120 /* The following definitions come from nmbd/nmbd_mynames.c  */
 121
 122 void register_my_workgroup_one_subnet(struct subnet_record *subrec);
 123 bool register_my_workgroup_and_names(void);
 124 void release_wins_names(void);
 125 void refresh_my_names(time_t t);
 126
 127 /* The following definitions come from nmbd/nmbd_namelistdb.c  */
 128
 129 void set_samba_nb_type(void);
 130 void remove_name_from_namelist(struct subnet_record *subrec,
 131                                 struct name_record *namerec );
 132 struct name_record *find_name_on_subnet(struct subnet_record *subrec,
 133                                 const struct nmb_name *nmbname,
 134                                 bool self_only);
 135 struct name_record *find_name_for_remote_broadcast_subnet(struct nmb_name *nmbname,
 136                                                 bool self_only);
 137 void update_name_ttl( struct name_record *namerec, int ttl );
 138 bool add_name_to_subnet( struct subnet_record *subrec,
 139                         const char *name,
 140                         int type,
 141                         uint16 nb_flags,
 142                         int ttl,
 143                         enum name_source source,
 144                         int num_ips,
 145                         struct in_addr *iplist);
 146 void standard_success_register(struct subnet_record *subrec,
 147                              struct userdata_struct *userdata,
 148                              struct nmb_name *nmbname, uint16 nb_flags, int ttl,
 149                              struct in_addr registered_ip);
 150 void standard_fail_register( struct subnet_record   *subrec,
 151                              struct nmb_name        *nmbname );
 152 bool find_ip_in_name_record( struct name_record *namerec, struct in_addr ip );
 153 void add_ip_to_name_record( struct name_record *namerec, struct in_addr new_ip );
 154 void remove_ip_from_name_record( struct name_record *namerec,
 155                                  struct in_addr      remove_ip );
 156 void standard_success_release( struct subnet_record   *subrec,
 157                                struct userdata_struct *userdata,
 158                                struct nmb_name        *nmbname,
 159                                struct in_addr          released_ip );
 160 void expire_names(time_t t);
 161 void add_samba_names_to_subnet( struct subnet_record *subrec );
 162 void dump_name_record( struct name_record *namerec, XFILE *fp);
 163 void dump_all_namelists(void);
 164
 165 /* The following definitions come from nmbd/nmbd_namequery.c  */
 166
 167 bool query_name(struct subnet_record *subrec, const char *name, int type,
 168                    query_name_success_function success_fn,
 169                    query_name_fail_function fail_fn,
 170                    struct userdata_struct *userdata);
 171 bool query_name_from_wins_server(struct in_addr ip_to,
 172                    const char *name, int type,
 173                    query_name_success_function success_fn,
 174                    query_name_fail_function fail_fn,
 175                    struct userdata_struct *userdata);
 176
 177 /* The following definitions come from nmbd/nmbd_nameregister.c  */
 178
 179 void register_name(struct subnet_record *subrec,
 180                    const char *name, int type, uint16 nb_flags,
 181                    register_name_success_function success_fn,
 182                    register_name_fail_function fail_fn,
 183                    struct userdata_struct *userdata);
 184 void wins_refresh_name(struct name_record *namerec);
 185
 186 /* The following definitions come from nmbd/nmbd_namerelease.c  */
 187
 188 void release_name(struct subnet_record *subrec, struct name_record *namerec,
 189                   release_name_success_function success_fn,
 190                   release_name_fail_function fail_fn,
 191                   struct userdata_struct *userdata);
 192
 193 /* The following definitions come from nmbd/nmbd_nodestatus.c  */
 194
 195 bool node_status(struct subnet_record *subrec, struct nmb_name *nmbname,
 196                  struct in_addr send_ip, node_status_success_function success_fn,
 197                  node_status_fail_function fail_fn, struct userdata_struct *userdata);
 198
 199 /* The following definitions come from nmbd/nmbd_packets.c  */
 200
 201 bool nmbd_init_packet_server(void);
 202
 203 uint16 get_nb_flags(char *buf);
 204 void set_nb_flags(char *buf, uint16 nb_flags);
 205 struct response_record *queue_register_name( struct subnet_record *subrec,
 206                           response_function resp_fn,
 207                           timeout_response_function timeout_fn,
 208                           register_name_success_function success_fn,
 209                           register_name_fail_function fail_fn,
 210                           struct userdata_struct *userdata,
 211                           struct nmb_name *nmbname,
 212                           uint16 nb_flags);
 213 void queue_wins_refresh(struct nmb_name *nmbname,
 214                         response_function resp_fn,
 215                         timeout_response_function timeout_fn,
 216                         uint16 nb_flags,
 217                         struct in_addr refresh_ip,
 218                         const char *tag);
 219 struct response_record *queue_register_multihomed_name( struct subnet_record *subrec,
 220                                                         response_function resp_fn,
 221                                                         timeout_response_function timeout_fn,
 222                                                         register_name_success_function success_fn,
 223                                                         register_name_fail_function fail_fn,
 224                                                         struct userdata_struct *userdata,
 225                                                         struct nmb_name *nmbname,
 226                                                         uint16 nb_flags,
 227                                                         struct in_addr register_ip,
 228                                                         struct in_addr wins_ip);
 229 struct response_record *queue_release_name( struct subnet_record *subrec,
 230                                             response_function resp_fn,
 231                                             timeout_response_function timeout_fn,
 232                                             release_name_success_function success_fn,
 233                                             release_name_fail_function fail_fn,
 234                                             struct userdata_struct *userdata,
 235                                             struct nmb_name *nmbname,
 236                                             uint16 nb_flags,
 237                                             struct in_addr release_ip,
 238                                             struct in_addr dest_ip);
 239 struct response_record *queue_query_name( struct subnet_record *subrec,
 240                           response_function resp_fn,
 241                           timeout_response_function timeout_fn,
 242                           query_name_success_function success_fn,
 243                           query_name_fail_function fail_fn,
 244                           struct userdata_struct *userdata,
 245                           struct nmb_name *nmbname);
 246 struct response_record *queue_query_name_from_wins_server( struct in_addr to_ip,
 247                           response_function resp_fn,
 248                           timeout_response_function timeout_fn,
 249                           query_name_success_function success_fn,
 250                           query_name_fail_function fail_fn,
 251                           struct userdata_struct *userdata,
 252                           struct nmb_name *nmbname);
 253 struct response_record *queue_node_status( struct subnet_record *subrec,
 254                           response_function resp_fn,
 255                           timeout_response_function timeout_fn,
 256                           node_status_success_function success_fn,
 257                           node_status_fail_function fail_fn,
 258                           struct userdata_struct *userdata,
 259                           struct nmb_name *nmbname,
 260                           struct in_addr send_ip);
 261 void reply_netbios_packet(struct packet_struct *orig_packet,
 262                           int rcode, enum netbios_reply_type_code rcv_code, int opcode,
 263                           int ttl, char *data,int len);
 264 void queue_packet(struct packet_struct *packet);
 265 void run_packet_queue(void);
 266 void retransmit_or_expire_response_records(time_t t);
 267 bool listen_for_packets(bool run_election);
 268 bool send_mailslot(bool unique, const char *mailslot,char *buf, size_t len,
 269                    const char *srcname, int src_type,
 270                    const char *dstname, int dest_type,
 271                    struct in_addr dest_ip,struct in_addr src_ip,
 272                    int dest_port);
 273
 274 /* The following definitions come from nmbd/nmbd_processlogon.c  */
 275
 276 bool initialize_nmbd_proxy_logon(void);
 277
 278 void process_logon_packet(struct packet_struct *p, const char *buf,int len,
 279                           const char *mailslot);
 280
 281 /* The following definitions come from nmbd/nmbd_responserecordsdb.c  */
 282
 283 void remove_response_record(struct subnet_record *subrec,
 284                                 struct response_record *rrec);
 285 struct response_record *make_response_record( struct subnet_record *subrec,
 286                                               struct packet_struct *p,
 287                                               response_function resp_fn,
 288                                               timeout_response_function timeout_fn,
 289                                               success_function success_fn,
 290                                               fail_function fail_fn,
 291                                               struct userdata_struct *userdata);
 292 struct response_record *find_response_record(struct subnet_record **ppsubrec,
 293                                 uint16 id);
 294 bool is_refresh_already_queued(struct subnet_record *subrec, struct name_record *namerec);
 295
 296 /* The following definitions come from nmbd/nmbd_sendannounce.c  */
 297
 298 void send_browser_reset(int reset_type, const char *to_name, int to_type, struct in_addr to_ip);
 299 void broadcast_announce_request(struct subnet_record *subrec, struct work_record *work);
 300 void announce_my_server_names(time_t t);
 301 void announce_my_lm_server_names(time_t t);
 302 void reset_announce_timer(void);
 303 void announce_myself_to_domain_master_browser(time_t t);
 304 void announce_my_servers_removed(void);
 305 void announce_remote(time_t t);
 306 void browse_sync_remote(time_t t);
 307
 308 /* The following definitions come from nmbd/nmbd_serverlistdb.c  */
 309
 310 void remove_all_servers(struct work_record *work);
 311 struct server_record *find_server_in_workgroup(struct work_record *work, const char *name);
 312 void remove_server_from_workgroup(struct work_record *work, struct server_record *servrec);
 313 struct server_record *create_server_on_workgroup(struct work_record *work,
 314                                                  const char *name,int servertype,
 315                                                  int ttl, const char *comment);
 316 void update_server_ttl(struct server_record *servrec, int ttl);
 317 void expire_servers(struct work_record *work, time_t t);
 318 void write_browse_list_entry(XFILE *fp, const char *name, uint32 rec_type,
 319                 const char *local_master_browser_name, const char *description);
 320 void write_browse_list(time_t t, bool force_write);
 321
 322 /* The following definitions come from nmbd/nmbd_subnetdb.c  */
 323
 324 void close_subnet(struct subnet_record *subrec);
 325 struct subnet_record *make_normal_subnet(const struct interface *iface);
 326 bool create_subnets(void);
 327 bool we_are_a_wins_client(void);
 328 struct subnet_record *get_next_subnet_maybe_unicast(struct subnet_record *subrec);
 329 struct subnet_record *get_next_subnet_maybe_unicast_or_wins_server(struct subnet_record *subrec);
 330
 331 /* The following definitions come from nmbd/nmbd_synclists.c  */
 332
 333 void sync_browse_lists(struct work_record *work,
 334                        char *name, int nm_type,
 335                        struct in_addr ip, bool local, bool servers);
 336 void sync_check_completion(void);
 337
 338 /* The following definitions come from nmbd/nmbd_winsproxy.c  */
 339
 340 void make_wins_proxy_name_query_request( struct subnet_record *subrec,
 341                                          struct packet_struct *incoming_packet,
 342                                          struct nmb_name *question_name);
 343
 344 /* The following definitions come from nmbd/nmbd_winsserver.c  */
 345
 346 struct name_record *find_name_on_wins_subnet(const struct nmb_name *nmbname, bool self_only);
 347 bool wins_store_changed_namerec(const struct name_record *namerec);
 348 bool add_name_to_wins_subnet(const struct name_record *namerec);
 349 bool remove_name_from_wins_namelist(struct name_record *namerec);
 350 void dump_wins_subnet_namelist(XFILE *fp);
 351 bool packet_is_for_wins_server(struct packet_struct *packet);
 352 bool initialise_wins(void);
 353 void wins_process_name_refresh_request( struct subnet_record *subrec,
 354                                         struct packet_struct *p );
 355 void wins_process_name_registration_request(struct subnet_record *subrec,
 356                                             struct packet_struct *p);
 357 void wins_process_multihomed_name_registration_request( struct subnet_record *subrec,
 358                                                         struct packet_struct *p);
 359 void fetch_all_active_wins_1b_names(void);
 360 void send_wins_name_query_response(int rcode, struct packet_struct *p,
 361                                           struct name_record *namerec);
 362 void wins_process_name_query_request(struct subnet_record *subrec,
 363                                      struct packet_struct *p);
 364 void wins_process_name_release_request(struct subnet_record *subrec,
 365                                        struct packet_struct *p);
 366 void initiate_wins_processing(time_t t);
 367 void wins_write_name_record(struct name_record *namerec, XFILE *fp);
 368 void wins_write_database(time_t t, bool background);
 369 void nmbd_wins_new_entry(struct messaging_context *msg,
 370                                        void *private_data,
 371                                        uint32_t msg_type,
 372                                        struct server_id server_id,
 373                                        DATA_BLOB *data);
 374
 375 /* The following definitions come from nmbd/nmbd_workgroupdb.c  */
 376
 377 struct work_record *find_workgroup_on_subnet(struct subnet_record *subrec,
 378                                              const char *name);
 379 struct work_record *create_workgroup_on_subnet(struct subnet_record *subrec,
 380                                                const char *name, int ttl);
 381 void update_workgroup_ttl(struct work_record *work, int ttl);
 382 void initiate_myworkgroup_startup(struct subnet_record *subrec, struct work_record *work);
 383 void dump_workgroups(bool force_write);
 384 void expire_workgroups_and_servers(time_t t);