| 1 | /*
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| 2 | * Unix SMB/CIFS implementation.
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| 3 | * NBT netbios routines and daemon - version 2
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| 4 | *
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| 5 | * Copyright (C) Andrew Tridgell 1994-1998
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| 6 | * Copyright (C) Jeremy Allison 1994-2005
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| 7 | * Copyright (C) Luke Kenneth Casson Leighton 1994-1998
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| 8 | * Copyright (C) John H Terpstra 1995-1998
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| 9 | * Copyright (C) Christopher R. Hertel 1998
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| 10 | * Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2002
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| 11 | * Copyright (C) Jelmer Vernooij 2002,2003
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| 12 | *
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| 13 | * This program is free software; you can redistribute it and/or modify
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| 14 | * it under the terms of the GNU General Public License as published by
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| 15 | * the Free Software Foundation; either version 3 of the License, or
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| 16 | * (at your option) any later version.
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| 17 | *
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| 18 | * This program is distributed in the hope that it will be useful,
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| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 21 | * GNU General Public License for more details.
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| 22 | *
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| 23 | * You should have received a copy of the GNU General Public License
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| 24 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 25 | */
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| 26 |
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| 27 | /* The following definitions come from nmbd/asyncdns.c */
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| 28 |
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| 29 | int asyncdns_fd(void);
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| 30 | void kill_async_dns_child(void);
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| 31 | void start_async_dns(struct messaging_context *msg);
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| 32 | void run_dns_queue(struct messaging_context *msg);
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| 33 | bool queue_dns_query(struct packet_struct *p,struct nmb_name *question);
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| 34 | bool queue_dns_query(struct packet_struct *p,struct nmb_name *question);
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| 35 | void kill_async_dns_child(void);
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| 36 |
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| 37 | /* The following definitions come from nmbd/nmbd.c */
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| 38 |
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| 39 | struct tevent_context *nmbd_event_context(void);
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| 40 |
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| 41 | /* The following definitions come from nmbd/nmbd_become_dmb.c */
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| 42 |
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| 43 | void add_domain_names(time_t t);
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| 44 |
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| 45 | /* The following definitions come from nmbd/nmbd_become_lmb.c */
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| 46 |
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| 47 | void insert_permanent_name_into_unicast( struct subnet_record *subrec,
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| 48 | struct nmb_name *nmbname, uint16_t nb_type );
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| 49 | void unbecome_local_master_browser(struct subnet_record *subrec, struct work_record *work,
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| 50 | bool force_new_election);
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| 51 | void become_local_master_browser(struct subnet_record *subrec, struct work_record *work);
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| 52 | void set_workgroup_local_master_browser_name( struct work_record *work, const char *newname);
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| 53 |
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| 54 | /* The following definitions come from nmbd/nmbd_browserdb.c */
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| 55 |
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| 56 | void update_browser_death_time( struct browse_cache_record *browc );
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| 57 | struct browse_cache_record *create_browser_in_lmb_cache( const char *work_name,
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| 58 | const char *browser_name,
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| 59 | struct in_addr ip );
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| 60 | struct browse_cache_record *find_browser_in_lmb_cache( const char *browser_name );
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| 61 | void expire_lmb_browsers( time_t t );
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| 62 |
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| 63 | /* The following definitions come from nmbd/nmbd_browsesync.c */
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| 64 |
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| 65 | void dmb_expire_and_sync_browser_lists(time_t t);
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| 66 | void announce_and_sync_with_domain_master_browser( struct subnet_record *subrec,
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| 67 | struct work_record *work);
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| 68 | void collect_all_workgroup_names_from_wins_server(time_t t);
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| 69 | void sync_all_dmbs(time_t t);
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| 70 |
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| 71 | /* The following definitions come from nmbd/nmbd_elections.c */
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| 72 |
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| 73 | void check_master_browser_exists(time_t t);
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| 74 | void run_elections(time_t t);
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| 75 | void process_election(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
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| 76 | bool check_elections(void);
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| 77 | void nmbd_message_election(struct messaging_context *msg,
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| 78 | void *private_data,
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| 79 | uint32_t msg_type,
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| 80 | struct server_id server_id,
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| 81 | DATA_BLOB *data);
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| 82 |
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| 83 | /* The following definitions come from nmbd/nmbd_incomingdgrams.c */
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| 84 |
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| 85 | void tell_become_backup(void);
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| 86 | void process_host_announce(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
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| 87 | void process_workgroup_announce(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
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| 88 | void process_local_master_announce(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
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| 89 | void process_master_browser_announce(struct subnet_record *subrec,
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| 90 | struct packet_struct *p,const char *buf);
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| 91 | void process_lm_host_announce(struct subnet_record *subrec, struct packet_struct *p, const char *buf, int len);
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| 92 | void process_get_backup_list_request(struct subnet_record *subrec,
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| 93 | struct packet_struct *p,const char *buf);
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| 94 | void process_reset_browser(struct subnet_record *subrec,
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| 95 | struct packet_struct *p,const char *buf);
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| 96 | void process_announce_request(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
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| 97 | void process_lm_announce_request(struct subnet_record *subrec, struct packet_struct *p, const char *buf, int len);
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| 98 |
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| 99 | /* The following definitions come from nmbd/nmbd_incomingrequests.c */
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| 100 |
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| 101 | void process_name_release_request(struct subnet_record *subrec,
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| 102 | struct packet_struct *p);
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| 103 | void process_name_refresh_request(struct subnet_record *subrec,
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| 104 | struct packet_struct *p);
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| 105 | void process_name_registration_request(struct subnet_record *subrec,
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| 106 | struct packet_struct *p);
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| 107 | void process_node_status_request(struct subnet_record *subrec, struct packet_struct *p);
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| 108 | void process_name_query_request(struct subnet_record *subrec, struct packet_struct *p);
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| 109 |
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| 110 | /* The following definitions come from nmbd/nmbd_lmhosts.c */
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| 111 |
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| 112 | void load_lmhosts_file(const char *fname);
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| 113 | bool find_name_in_lmhosts(struct nmb_name *nmbname, struct name_record **namerecp);
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| 114 |
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| 115 | /* The following definitions come from nmbd/nmbd_logonnames.c */
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| 116 |
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| 117 | void add_logon_names(void);
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| 118 |
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| 119 | /* The following definitions come from nmbd/nmbd_mynames.c */
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| 120 |
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| 121 | void register_my_workgroup_one_subnet(struct subnet_record *subrec);
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| 122 | bool register_my_workgroup_and_names(void);
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| 123 | void release_wins_names(void);
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| 124 | void refresh_my_names(time_t t);
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| 125 |
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| 126 | /* The following definitions come from nmbd/nmbd_namelistdb.c */
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| 127 |
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| 128 | void set_samba_nb_type(void);
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| 129 | void remove_name_from_namelist(struct subnet_record *subrec,
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| 130 | struct name_record *namerec );
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| 131 | struct name_record *find_name_on_subnet(struct subnet_record *subrec,
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| 132 | const struct nmb_name *nmbname,
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| 133 | bool self_only);
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| 134 | struct name_record *find_name_for_remote_broadcast_subnet(struct nmb_name *nmbname,
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| 135 | bool self_only);
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| 136 | void update_name_ttl( struct name_record *namerec, int ttl );
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| 137 | bool add_name_to_subnet( struct subnet_record *subrec,
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| 138 | const char *name,
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| 139 | int type,
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| 140 | uint16_t nb_flags,
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| 141 | int ttl,
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| 142 | enum name_source source,
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| 143 | int num_ips,
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| 144 | struct in_addr *iplist);
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| 145 | void standard_success_register(struct subnet_record *subrec,
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| 146 | struct userdata_struct *userdata,
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| 147 | struct nmb_name *nmbname, uint16_t nb_flags, int ttl,
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| 148 | struct in_addr registered_ip);
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| 149 | void standard_fail_register( struct subnet_record *subrec,
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| 150 | struct nmb_name *nmbname );
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| 151 | bool find_ip_in_name_record( struct name_record *namerec, struct in_addr ip );
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| 152 | void add_ip_to_name_record( struct name_record *namerec, struct in_addr new_ip );
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| 153 | void remove_ip_from_name_record( struct name_record *namerec,
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| 154 | struct in_addr remove_ip );
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| 155 | void standard_success_release( struct subnet_record *subrec,
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| 156 | struct userdata_struct *userdata,
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| 157 | struct nmb_name *nmbname,
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| 158 | struct in_addr released_ip );
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| 159 | void expire_names(time_t t);
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| 160 | void add_samba_names_to_subnet( struct subnet_record *subrec );
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| 161 | void dump_name_record( struct name_record *namerec, XFILE *fp);
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| 162 | void dump_all_namelists(void);
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| 163 |
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| 164 | /* The following definitions come from nmbd/nmbd_namequery.c */
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| 165 |
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| 166 | bool query_name(struct subnet_record *subrec, const char *name, int type,
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| 167 | query_name_success_function success_fn,
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| 168 | query_name_fail_function fail_fn,
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| 169 | struct userdata_struct *userdata);
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| 170 | bool query_name_from_wins_server(struct in_addr ip_to,
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| 171 | const char *name, int type,
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| 172 | query_name_success_function success_fn,
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| 173 | query_name_fail_function fail_fn,
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| 174 | struct userdata_struct *userdata);
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| 175 |
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| 176 | /* The following definitions come from nmbd/nmbd_nameregister.c */
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| 177 |
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| 178 | void register_name(struct subnet_record *subrec,
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| 179 | const char *name, int type, uint16_t nb_flags,
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| 180 | register_name_success_function success_fn,
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| 181 | register_name_fail_function fail_fn,
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| 182 | struct userdata_struct *userdata);
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| 183 | void wins_refresh_name(struct name_record *namerec);
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| 184 |
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| 185 | /* The following definitions come from nmbd/nmbd_namerelease.c */
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| 186 |
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| 187 | void release_name(struct subnet_record *subrec, struct name_record *namerec,
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| 188 | release_name_success_function success_fn,
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| 189 | release_name_fail_function fail_fn,
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| 190 | struct userdata_struct *userdata);
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| 191 |
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| 192 | /* The following definitions come from nmbd/nmbd_nodestatus.c */
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| 193 |
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| 194 | bool node_status(struct subnet_record *subrec, struct nmb_name *nmbname,
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| 195 | struct in_addr send_ip, node_status_success_function success_fn,
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| 196 | node_status_fail_function fail_fn, struct userdata_struct *userdata);
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| 197 |
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| 198 | /* The following definitions come from nmbd/nmbd_packets.c */
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| 199 |
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| 200 | bool nmbd_init_packet_server(void);
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| 201 |
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| 202 | uint16_t get_nb_flags(char *buf);
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| 203 | void set_nb_flags(char *buf, uint16_t nb_flags);
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| 204 | struct response_record *queue_register_name( struct subnet_record *subrec,
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| 205 | response_function resp_fn,
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| 206 | timeout_response_function timeout_fn,
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| 207 | register_name_success_function success_fn,
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| 208 | register_name_fail_function fail_fn,
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| 209 | struct userdata_struct *userdata,
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| 210 | struct nmb_name *nmbname,
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| 211 | uint16_t nb_flags);
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| 212 | void queue_wins_refresh(struct nmb_name *nmbname,
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| 213 | response_function resp_fn,
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| 214 | timeout_response_function timeout_fn,
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| 215 | uint16_t nb_flags,
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| 216 | struct in_addr refresh_ip,
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| 217 | const char *tag);
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| 218 | struct response_record *queue_register_multihomed_name( struct subnet_record *subrec,
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| 219 | response_function resp_fn,
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| 220 | timeout_response_function timeout_fn,
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| 221 | register_name_success_function success_fn,
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| 222 | register_name_fail_function fail_fn,
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| 223 | struct userdata_struct *userdata,
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| 224 | struct nmb_name *nmbname,
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| 225 | uint16_t nb_flags,
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| 226 | struct in_addr register_ip,
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| 227 | struct in_addr wins_ip);
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| 228 | struct response_record *queue_release_name( struct subnet_record *subrec,
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| 229 | response_function resp_fn,
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| 230 | timeout_response_function timeout_fn,
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| 231 | release_name_success_function success_fn,
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| 232 | release_name_fail_function fail_fn,
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| 233 | struct userdata_struct *userdata,
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| 234 | struct nmb_name *nmbname,
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| 235 | uint16_t nb_flags,
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| 236 | struct in_addr release_ip,
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| 237 | struct in_addr dest_ip);
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| 238 | struct response_record *queue_query_name( struct subnet_record *subrec,
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| 239 | response_function resp_fn,
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| 240 | timeout_response_function timeout_fn,
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| 241 | query_name_success_function success_fn,
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| 242 | query_name_fail_function fail_fn,
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| 243 | struct userdata_struct *userdata,
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| 244 | struct nmb_name *nmbname);
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| 245 | struct response_record *queue_query_name_from_wins_server( struct in_addr to_ip,
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| 246 | response_function resp_fn,
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| 247 | timeout_response_function timeout_fn,
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| 248 | query_name_success_function success_fn,
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| 249 | query_name_fail_function fail_fn,
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| 250 | struct userdata_struct *userdata,
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| 251 | struct nmb_name *nmbname);
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| 252 | struct response_record *queue_node_status( struct subnet_record *subrec,
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| 253 | response_function resp_fn,
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| 254 | timeout_response_function timeout_fn,
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| 255 | node_status_success_function success_fn,
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| 256 | node_status_fail_function fail_fn,
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| 257 | struct userdata_struct *userdata,
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| 258 | struct nmb_name *nmbname,
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| 259 | struct in_addr send_ip);
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| 260 | void reply_netbios_packet(struct packet_struct *orig_packet,
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| 261 | int rcode, enum netbios_reply_type_code rcv_code, int opcode,
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| 262 | int ttl, char *data,int len);
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| 263 | void queue_packet(struct packet_struct *packet);
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| 264 | void run_packet_queue(void);
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| 265 | void retransmit_or_expire_response_records(time_t t);
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| 266 | bool listen_for_packets(struct messaging_context *msg, bool run_election);
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| 267 | bool send_mailslot(bool unique, const char *mailslot,char *buf, size_t len,
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| 268 | const char *srcname, int src_type,
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| 269 | const char *dstname, int dest_type,
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| 270 | struct in_addr dest_ip,struct in_addr src_ip,
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| 271 | int dest_port);
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| 272 |
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| 273 | /* The following definitions come from nmbd/nmbd_processlogon.c */
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| 274 |
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| 275 | bool initialize_nmbd_proxy_logon(void);
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| 276 |
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| 277 | void process_logon_packet(struct packet_struct *p, const char *buf,int len,
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| 278 | const char *mailslot);
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| 279 |
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| 280 | /* The following definitions come from nmbd/nmbd_responserecordsdb.c */
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| 281 |
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| 282 | void remove_response_record(struct subnet_record *subrec,
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| 283 | struct response_record *rrec);
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| 284 | struct response_record *make_response_record( struct subnet_record *subrec,
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| 285 | struct packet_struct *p,
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| 286 | response_function resp_fn,
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| 287 | timeout_response_function timeout_fn,
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| 288 | success_function success_fn,
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| 289 | fail_function fail_fn,
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| 290 | struct userdata_struct *userdata);
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| 291 | struct response_record *find_response_record(struct subnet_record **ppsubrec,
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| 292 | uint16_t id);
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| 293 | bool is_refresh_already_queued(struct subnet_record *subrec, struct name_record *namerec);
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| 294 |
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| 295 | /* The following definitions come from nmbd/nmbd_sendannounce.c */
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| 296 |
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| 297 | void send_browser_reset(int reset_type, const char *to_name, int to_type, struct in_addr to_ip);
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| 298 | void broadcast_announce_request(struct subnet_record *subrec, struct work_record *work);
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| 299 | void announce_my_server_names(time_t t);
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| 300 | void announce_my_lm_server_names(time_t t);
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| 301 | void reset_announce_timer(void);
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| 302 | void announce_myself_to_domain_master_browser(time_t t);
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| 303 | void announce_my_servers_removed(void);
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| 304 | void announce_remote(time_t t);
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| 305 | void browse_sync_remote(time_t t);
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| 306 |
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| 307 | /* The following definitions come from nmbd/nmbd_serverlistdb.c */
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| 308 |
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| 309 | void remove_all_servers(struct work_record *work);
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| 310 | struct server_record *find_server_in_workgroup(struct work_record *work, const char *name);
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| 311 | void remove_server_from_workgroup(struct work_record *work, struct server_record *servrec);
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| 312 | struct server_record *create_server_on_workgroup(struct work_record *work,
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| 313 | const char *name,int servertype,
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| 314 | int ttl, const char *comment);
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| 315 | void update_server_ttl(struct server_record *servrec, int ttl);
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| 316 | void expire_servers(struct work_record *work, time_t t);
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| 317 | void write_browse_list_entry(XFILE *fp, const char *name, uint32_t rec_type,
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| 318 | const char *local_master_browser_name, const char *description);
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| 319 | void write_browse_list(time_t t, bool force_write);
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| 320 |
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| 321 | /* The following definitions come from nmbd/nmbd_subnetdb.c */
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| 322 |
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| 323 | void close_subnet(struct subnet_record *subrec);
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| 324 | struct subnet_record *make_normal_subnet(const struct interface *iface);
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| 325 | bool create_subnets(void);
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| 326 | bool we_are_a_wins_client(void);
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| 327 | struct subnet_record *get_next_subnet_maybe_unicast(struct subnet_record *subrec);
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| 328 | struct subnet_record *get_next_subnet_maybe_unicast_or_wins_server(struct subnet_record *subrec);
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| 329 |
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| 330 | /* The following definitions come from nmbd/nmbd_synclists.c */
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| 331 |
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| 332 | void sync_browse_lists(struct work_record *work,
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| 333 | char *name, int nm_type,
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| 334 | struct in_addr ip, bool local, bool servers);
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| 335 | void sync_check_completion(void);
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| 336 |
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| 337 | /* The following definitions come from nmbd/nmbd_winsproxy.c */
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| 338 |
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| 339 | void make_wins_proxy_name_query_request( struct subnet_record *subrec,
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| 340 | struct packet_struct *incoming_packet,
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| 341 | struct nmb_name *question_name);
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| 342 |
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| 343 | /* The following definitions come from nmbd/nmbd_winsserver.c */
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| 344 |
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| 345 | struct name_record *find_name_on_wins_subnet(const struct nmb_name *nmbname, bool self_only);
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| 346 | bool wins_store_changed_namerec(const struct name_record *namerec);
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| 347 | bool add_name_to_wins_subnet(const struct name_record *namerec);
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| 348 | bool remove_name_from_wins_namelist(struct name_record *namerec);
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| 349 | void dump_wins_subnet_namelist(XFILE *fp);
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| 350 | bool packet_is_for_wins_server(struct packet_struct *packet);
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| 351 | bool initialise_wins(void);
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| 352 | void wins_process_name_refresh_request( struct subnet_record *subrec,
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| 353 | struct packet_struct *p );
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| 354 | void wins_process_name_registration_request(struct subnet_record *subrec,
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| 355 | struct packet_struct *p);
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| 356 | void wins_process_multihomed_name_registration_request( struct subnet_record *subrec,
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| 357 | struct packet_struct *p);
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| 358 | void fetch_all_active_wins_1b_names(void);
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| 359 | void send_wins_name_query_response(int rcode, struct packet_struct *p,
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| 360 | struct name_record *namerec);
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| 361 | void wins_process_name_query_request(struct subnet_record *subrec,
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| 362 | struct packet_struct *p);
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| 363 | void wins_process_name_release_request(struct subnet_record *subrec,
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| 364 | struct packet_struct *p);
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| 365 | void initiate_wins_processing(time_t t);
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| 366 | void wins_write_name_record(struct name_record *namerec, XFILE *fp);
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| 367 | void wins_write_database(time_t t, bool background);
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| 368 | void nmbd_wins_new_entry(struct messaging_context *msg,
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| 369 | void *private_data,
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| 370 | uint32_t msg_type,
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| 371 | struct server_id server_id,
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| 372 | DATA_BLOB *data);
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| 373 |
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| 374 | /* The following definitions come from nmbd/nmbd_workgroupdb.c */
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| 375 |
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| 376 | struct work_record *find_workgroup_on_subnet(struct subnet_record *subrec,
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| 377 | const char *name);
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| 378 | struct work_record *create_workgroup_on_subnet(struct subnet_record *subrec,
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| 379 | const char *name, int ttl);
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| 380 | void update_workgroup_ttl(struct work_record *work, int ttl);
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| 381 | void initiate_myworkgroup_startup(struct subnet_record *subrec, struct work_record *work);
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| 382 | void dump_workgroups(bool force_write);
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| 383 | void expire_workgroups_and_servers(time_t t);
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