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(void);
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32 | void run_dns_queue(void);
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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 event_context *nmbd_event_context(void);
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40 | struct messaging_context *nmbd_messaging_context(void);
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41 |
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42 | /* The following definitions come from nmbd/nmbd_become_dmb.c */
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43 |
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44 | void add_domain_names(time_t t);
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45 |
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46 | /* The following definitions come from nmbd/nmbd_become_lmb.c */
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47 |
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48 | void insert_permanent_name_into_unicast( struct subnet_record *subrec,
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49 | struct nmb_name *nmbname, uint16 nb_type );
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50 | void unbecome_local_master_browser(struct subnet_record *subrec, struct work_record *work,
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51 | bool force_new_election);
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52 | void become_local_master_browser(struct subnet_record *subrec, struct work_record *work);
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53 | void set_workgroup_local_master_browser_name( struct work_record *work, const char *newname);
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54 |
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55 | /* The following definitions come from nmbd/nmbd_browserdb.c */
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56 |
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57 | void update_browser_death_time( struct browse_cache_record *browc );
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58 | struct browse_cache_record *create_browser_in_lmb_cache( const char *work_name,
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59 | const char *browser_name,
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60 | struct in_addr ip );
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61 | struct browse_cache_record *find_browser_in_lmb_cache( const char *browser_name );
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62 | void expire_lmb_browsers( time_t t );
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63 |
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64 | /* The following definitions come from nmbd/nmbd_browsesync.c */
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65 |
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66 | void dmb_expire_and_sync_browser_lists(time_t t);
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67 | void announce_and_sync_with_domain_master_browser( struct subnet_record *subrec,
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68 | struct work_record *work);
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69 | void collect_all_workgroup_names_from_wins_server(time_t t);
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70 | void sync_all_dmbs(time_t t);
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71 |
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72 | /* The following definitions come from nmbd/nmbd_elections.c */
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73 |
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74 | void check_master_browser_exists(time_t t);
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75 | void run_elections(time_t t);
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76 | void process_election(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
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77 | bool check_elections(void);
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78 | void nmbd_message_election(struct messaging_context *msg,
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79 | void *private_data,
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80 | uint32_t msg_type,
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81 | struct server_id server_id,
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82 | DATA_BLOB *data);
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83 |
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84 | /* The following definitions come from nmbd/nmbd_incomingdgrams.c */
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85 |
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86 | void tell_become_backup(void);
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87 | void process_host_announce(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
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88 | void process_workgroup_announce(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
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89 | void process_local_master_announce(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
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90 | void process_master_browser_announce(struct subnet_record *subrec,
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91 | struct packet_struct *p,const char *buf);
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92 | void process_lm_host_announce(struct subnet_record *subrec, struct packet_struct *p, const char *buf, int len);
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93 | void process_get_backup_list_request(struct subnet_record *subrec,
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94 | struct packet_struct *p,const char *buf);
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95 | void process_reset_browser(struct subnet_record *subrec,
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96 | struct packet_struct *p,const char *buf);
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97 | void process_announce_request(struct subnet_record *subrec, struct packet_struct *p, const char *buf);
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98 | void process_lm_announce_request(struct subnet_record *subrec, struct packet_struct *p, const char *buf, int len);
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99 |
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100 | /* The following definitions come from nmbd/nmbd_incomingrequests.c */
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101 |
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102 | void process_name_release_request(struct subnet_record *subrec,
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103 | struct packet_struct *p);
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104 | void process_name_refresh_request(struct subnet_record *subrec,
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105 | struct packet_struct *p);
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106 | void process_name_registration_request(struct subnet_record *subrec,
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107 | struct packet_struct *p);
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108 | void process_node_status_request(struct subnet_record *subrec, struct packet_struct *p);
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109 | void process_name_query_request(struct subnet_record *subrec, struct packet_struct *p);
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110 |
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111 | /* The following definitions come from nmbd/nmbd_lmhosts.c */
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112 |
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113 | void load_lmhosts_file(const char *fname);
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114 | bool find_name_in_lmhosts(struct nmb_name *nmbname, struct name_record **namerecp);
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115 |
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116 | /* The following definitions come from nmbd/nmbd_logonnames.c */
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117 |
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118 | void add_logon_names(void);
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119 |
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120 | /* The following definitions come from nmbd/nmbd_mynames.c */
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121 |
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122 | void register_my_workgroup_one_subnet(struct subnet_record *subrec);
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123 | bool register_my_workgroup_and_names(void);
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124 | void release_wins_names(void);
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125 | void refresh_my_names(time_t t);
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126 |
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127 | /* The following definitions come from nmbd/nmbd_namelistdb.c */
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128 |
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129 | void set_samba_nb_type(void);
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130 | void remove_name_from_namelist(struct subnet_record *subrec,
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131 | struct name_record *namerec );
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132 | struct name_record *find_name_on_subnet(struct subnet_record *subrec,
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133 | const struct nmb_name *nmbname,
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134 | bool self_only);
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135 | struct name_record *find_name_for_remote_broadcast_subnet(struct nmb_name *nmbname,
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136 | bool self_only);
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137 | void update_name_ttl( struct name_record *namerec, int ttl );
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138 | bool add_name_to_subnet( struct subnet_record *subrec,
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139 | const char *name,
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140 | int type,
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141 | uint16 nb_flags,
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142 | int ttl,
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143 | enum name_source source,
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144 | int num_ips,
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145 | struct in_addr *iplist);
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146 | void standard_success_register(struct subnet_record *subrec,
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147 | struct userdata_struct *userdata,
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148 | struct nmb_name *nmbname, uint16 nb_flags, int ttl,
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149 | struct in_addr registered_ip);
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150 | void standard_fail_register( struct subnet_record *subrec,
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151 | struct nmb_name *nmbname );
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152 | bool find_ip_in_name_record( struct name_record *namerec, struct in_addr ip );
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153 | void add_ip_to_name_record( struct name_record *namerec, struct in_addr new_ip );
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154 | void remove_ip_from_name_record( struct name_record *namerec,
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155 | struct in_addr remove_ip );
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156 | void standard_success_release( struct subnet_record *subrec,
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157 | struct userdata_struct *userdata,
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158 | struct nmb_name *nmbname,
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159 | struct in_addr released_ip );
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160 | void expire_names(time_t t);
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161 | void add_samba_names_to_subnet( struct subnet_record *subrec );
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162 | void dump_name_record( struct name_record *namerec, XFILE *fp);
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163 | void dump_all_namelists(void);
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164 |
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165 | /* The following definitions come from nmbd/nmbd_namequery.c */
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166 |
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167 | bool query_name(struct subnet_record *subrec, const char *name, int type,
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168 | query_name_success_function success_fn,
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169 | query_name_fail_function fail_fn,
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170 | struct userdata_struct *userdata);
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171 | bool query_name_from_wins_server(struct in_addr ip_to,
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172 | const char *name, int type,
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173 | query_name_success_function success_fn,
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174 | query_name_fail_function fail_fn,
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175 | struct userdata_struct *userdata);
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176 |
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177 | /* The following definitions come from nmbd/nmbd_nameregister.c */
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178 |
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179 | void register_name(struct subnet_record *subrec,
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180 | const char *name, int type, uint16 nb_flags,
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181 | register_name_success_function success_fn,
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182 | register_name_fail_function fail_fn,
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183 | struct userdata_struct *userdata);
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184 | void wins_refresh_name(struct name_record *namerec);
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185 |
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186 | /* The following definitions come from nmbd/nmbd_namerelease.c */
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187 |
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188 | void release_name(struct subnet_record *subrec, struct name_record *namerec,
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189 | release_name_success_function success_fn,
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190 | release_name_fail_function fail_fn,
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191 | struct userdata_struct *userdata);
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192 |
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193 | /* The following definitions come from nmbd/nmbd_nodestatus.c */
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194 |
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195 | bool node_status(struct subnet_record *subrec, struct nmb_name *nmbname,
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196 | struct in_addr send_ip, node_status_success_function success_fn,
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197 | node_status_fail_function fail_fn, struct userdata_struct *userdata);
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198 |
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199 | /* The following definitions come from nmbd/nmbd_packets.c */
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200 |
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201 | bool nmbd_init_packet_server(void);
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202 |
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203 | uint16 get_nb_flags(char *buf);
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204 | void set_nb_flags(char *buf, uint16 nb_flags);
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205 | struct response_record *queue_register_name( struct subnet_record *subrec,
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206 | response_function resp_fn,
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207 | timeout_response_function timeout_fn,
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208 | register_name_success_function success_fn,
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209 | register_name_fail_function fail_fn,
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210 | struct userdata_struct *userdata,
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211 | struct nmb_name *nmbname,
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212 | uint16 nb_flags);
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213 | void queue_wins_refresh(struct nmb_name *nmbname,
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214 | response_function resp_fn,
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215 | timeout_response_function timeout_fn,
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216 | uint16 nb_flags,
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217 | struct in_addr refresh_ip,
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218 | const char *tag);
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219 | struct response_record *queue_register_multihomed_name( struct subnet_record *subrec,
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220 | response_function resp_fn,
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221 | timeout_response_function timeout_fn,
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222 | register_name_success_function success_fn,
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223 | register_name_fail_function fail_fn,
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224 | struct userdata_struct *userdata,
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225 | struct nmb_name *nmbname,
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226 | uint16 nb_flags,
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227 | struct in_addr register_ip,
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228 | struct in_addr wins_ip);
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229 | struct response_record *queue_release_name( struct subnet_record *subrec,
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230 | response_function resp_fn,
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231 | timeout_response_function timeout_fn,
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232 | release_name_success_function success_fn,
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233 | release_name_fail_function fail_fn,
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234 | struct userdata_struct *userdata,
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235 | struct nmb_name *nmbname,
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236 | uint16 nb_flags,
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237 | struct in_addr release_ip,
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238 | struct in_addr dest_ip);
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239 | struct response_record *queue_query_name( struct subnet_record *subrec,
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240 | response_function resp_fn,
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241 | timeout_response_function timeout_fn,
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242 | query_name_success_function success_fn,
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243 | query_name_fail_function fail_fn,
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244 | struct userdata_struct *userdata,
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245 | struct nmb_name *nmbname);
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246 | struct response_record *queue_query_name_from_wins_server( struct in_addr to_ip,
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247 | response_function resp_fn,
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248 | timeout_response_function timeout_fn,
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249 | query_name_success_function success_fn,
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250 | query_name_fail_function fail_fn,
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251 | struct userdata_struct *userdata,
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252 | struct nmb_name *nmbname);
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253 | struct response_record *queue_node_status( struct subnet_record *subrec,
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254 | response_function resp_fn,
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255 | timeout_response_function timeout_fn,
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256 | node_status_success_function success_fn,
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257 | node_status_fail_function fail_fn,
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258 | struct userdata_struct *userdata,
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259 | struct nmb_name *nmbname,
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260 | struct in_addr send_ip);
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261 | void reply_netbios_packet(struct packet_struct *orig_packet,
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262 | int rcode, enum netbios_reply_type_code rcv_code, int opcode,
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263 | int ttl, char *data,int len);
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264 | void queue_packet(struct packet_struct *packet);
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265 | void run_packet_queue(void);
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266 | void retransmit_or_expire_response_records(time_t t);
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267 | bool listen_for_packets(bool run_election);
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268 | bool send_mailslot(bool unique, const char *mailslot,char *buf, size_t len,
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269 | const char *srcname, int src_type,
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270 | const char *dstname, int dest_type,
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271 | struct in_addr dest_ip,struct in_addr src_ip,
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272 | int dest_port);
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273 |
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274 | /* The following definitions come from nmbd/nmbd_processlogon.c */
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275 |
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276 | bool initialize_nmbd_proxy_logon(void);
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277 |
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278 | void process_logon_packet(struct packet_struct *p, const char *buf,int len,
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279 | const char *mailslot);
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280 |
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281 | /* The following definitions come from nmbd/nmbd_responserecordsdb.c */
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282 |
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283 | void remove_response_record(struct subnet_record *subrec,
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284 | struct response_record *rrec);
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285 | struct response_record *make_response_record( struct subnet_record *subrec,
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286 | struct packet_struct *p,
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287 | response_function resp_fn,
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288 | timeout_response_function timeout_fn,
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289 | success_function success_fn,
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290 | fail_function fail_fn,
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291 | struct userdata_struct *userdata);
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292 | struct response_record *find_response_record(struct subnet_record **ppsubrec,
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293 | uint16 id);
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294 | bool is_refresh_already_queued(struct subnet_record *subrec, struct name_record *namerec);
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295 |
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296 | /* The following definitions come from nmbd/nmbd_sendannounce.c */
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297 |
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298 | void send_browser_reset(int reset_type, const char *to_name, int to_type, struct in_addr to_ip);
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299 | void broadcast_announce_request(struct subnet_record *subrec, struct work_record *work);
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300 | void announce_my_server_names(time_t t);
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301 | void announce_my_lm_server_names(time_t t);
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302 | void reset_announce_timer(void);
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303 | void announce_myself_to_domain_master_browser(time_t t);
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304 | void announce_my_servers_removed(void);
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305 | void announce_remote(time_t t);
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306 | void browse_sync_remote(time_t t);
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307 |
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308 | /* The following definitions come from nmbd/nmbd_serverlistdb.c */
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309 |
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310 | void remove_all_servers(struct work_record *work);
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311 | struct server_record *find_server_in_workgroup(struct work_record *work, const char *name);
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312 | void remove_server_from_workgroup(struct work_record *work, struct server_record *servrec);
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313 | struct server_record *create_server_on_workgroup(struct work_record *work,
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314 | const char *name,int servertype,
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315 | int ttl, const char *comment);
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316 | void update_server_ttl(struct server_record *servrec, int ttl);
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317 | void expire_servers(struct work_record *work, time_t t);
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318 | void write_browse_list_entry(XFILE *fp, const char *name, uint32 rec_type,
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319 | const char *local_master_browser_name, const char *description);
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320 | void write_browse_list(time_t t, bool force_write);
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321 |
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322 | /* The following definitions come from nmbd/nmbd_subnetdb.c */
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323 |
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324 | void close_subnet(struct subnet_record *subrec);
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325 | struct subnet_record *make_normal_subnet(const struct interface *iface);
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326 | bool create_subnets(void);
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327 | bool we_are_a_wins_client(void);
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328 | struct subnet_record *get_next_subnet_maybe_unicast(struct subnet_record *subrec);
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329 | struct subnet_record *get_next_subnet_maybe_unicast_or_wins_server(struct subnet_record *subrec);
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330 |
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331 | /* The following definitions come from nmbd/nmbd_synclists.c */
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332 |
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333 | void sync_browse_lists(struct work_record *work,
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334 | char *name, int nm_type,
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335 | struct in_addr ip, bool local, bool servers);
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336 | void sync_check_completion(void);
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337 |
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338 | /* The following definitions come from nmbd/nmbd_winsproxy.c */
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339 |
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340 | void make_wins_proxy_name_query_request( struct subnet_record *subrec,
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341 | struct packet_struct *incoming_packet,
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342 | struct nmb_name *question_name);
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343 |
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344 | /* The following definitions come from nmbd/nmbd_winsserver.c */
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345 |
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346 | struct name_record *find_name_on_wins_subnet(const struct nmb_name *nmbname, bool self_only);
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347 | bool wins_store_changed_namerec(const struct name_record *namerec);
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348 | bool add_name_to_wins_subnet(const struct name_record *namerec);
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349 | bool remove_name_from_wins_namelist(struct name_record *namerec);
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350 | void dump_wins_subnet_namelist(XFILE *fp);
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351 | bool packet_is_for_wins_server(struct packet_struct *packet);
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352 | bool initialise_wins(void);
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353 | void wins_process_name_refresh_request( struct subnet_record *subrec,
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354 | struct packet_struct *p );
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355 | void wins_process_name_registration_request(struct subnet_record *subrec,
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356 | struct packet_struct *p);
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357 | void wins_process_multihomed_name_registration_request( struct subnet_record *subrec,
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358 | struct packet_struct *p);
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359 | void fetch_all_active_wins_1b_names(void);
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360 | void send_wins_name_query_response(int rcode, struct packet_struct *p,
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361 | struct name_record *namerec);
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362 | void wins_process_name_query_request(struct subnet_record *subrec,
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363 | struct packet_struct *p);
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364 | void wins_process_name_release_request(struct subnet_record *subrec,
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365 | struct packet_struct *p);
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366 | void initiate_wins_processing(time_t t);
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367 | void wins_write_name_record(struct name_record *namerec, XFILE *fp);
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368 | void wins_write_database(time_t t, bool background);
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369 | void nmbd_wins_new_entry(struct messaging_context *msg,
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370 | void *private_data,
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371 | uint32_t msg_type,
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372 | struct server_id server_id,
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373 | DATA_BLOB *data);
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374 |
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375 | /* The following definitions come from nmbd/nmbd_workgroupdb.c */
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376 |
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377 | struct work_record *find_workgroup_on_subnet(struct subnet_record *subrec,
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378 | const char *name);
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379 | struct work_record *create_workgroup_on_subnet(struct subnet_record *subrec,
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380 | const char *name, int ttl);
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381 | void update_workgroup_ttl(struct work_record *work, int ttl);
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382 | void initiate_myworkgroup_startup(struct subnet_record *subrec, struct work_record *work);
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383 | void dump_workgroups(bool force_write);
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384 | void expire_workgroups_and_servers(time_t t);
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