2 Unix SMB/Netbios implementation.
4 NBT netbios routines and daemon - version 2
5 Copyright (C) Andrew Tridgell 1994-1996
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 14 jan 96: lkcl@pires.co.uk
24 added multiple workgroup domain master support
26 04 jul 96: lkcl@pires.co.uk
27 created module namedbwork containing workgroup database functions
36 extern int DEBUGLEVEL
;
38 /* this is our domain/workgroup/server database */
39 extern struct subnet_record
*subnetlist
;
41 extern struct in_addr ipgrp
;
43 int workgroup_count
= 0; /* unique index key: one for each workgroup */
47 /****************************************************************************
48 add a workgroup into the domain list
49 **************************************************************************/
50 static void add_workgroup(struct work_record
*work
, struct subnet_record
*d
)
52 struct work_record
*w2
;
54 if (!work
|| !d
) return;
56 if (!d
->workgrouplist
)
58 d
->workgrouplist
= work
;
64 for (w2
= d
->workgrouplist
; w2
->next
; w2
= w2
->next
);
72 /****************************************************************************
73 create a blank workgroup
74 **************************************************************************/
75 static struct work_record
*make_workgroup(char *name
)
77 struct work_record
*work
;
78 struct subnet_record
*d
;
81 if (!name
|| !name
[0]) return NULL
;
83 work
= (struct work_record
*)malloc(sizeof(*work
));
84 if (!work
) return(NULL
);
86 StrnCpy(work
->work_group
,name
,sizeof(work
->work_group
)-1);
87 work
->serverlist
= NULL
;
89 work
->ServerType
= DFLT_SERVER_TYPE
| SV_TYPE_POTENTIAL_BROWSER
;
90 work
->RunningElection
= False
;
91 work
->ElectionCount
= 0;
92 work
->needelection
= False
;
93 work
->needannounce
= True
;
94 work
->state
= MST_NONE
;
96 /* make sure all token representations of workgroups are unique */
98 for (d
= subnetlist
; d
&& t
== -1; d
= d
->next
)
100 struct work_record
*w
;
101 for (w
= d
->workgrouplist
; w
&& t
== -1; w
= w
->next
)
103 if (strequal(w
->work_group
, work
->work_group
)) t
= w
->token
;
109 work
->token
= ++workgroup_count
;
117 /* WfWg uses 01040b01 */
118 /* Win95 uses 01041501 */
119 /* NTAS uses ???????? */
120 work
->ElectionCriterion
= (MAINTAIN_LIST
<<1)|(ELECTION_VERSION
<<8);
121 work
->ElectionCriterion
|= (lp_os_level() << 24);
122 if (lp_domain_master()) {
123 work
->ElectionCriterion
|= 0x80;
130 /*******************************************************************
132 ******************************************************************/
133 struct work_record
*remove_workgroup(struct subnet_record
*d
,
134 struct work_record
*work
,
135 BOOL remove_all_servers
)
137 struct work_record
*ret_work
= NULL
;
139 if (!d
|| !work
) return NULL
;
141 DEBUG(3,("Removing old workgroup %s\n", work
->work_group
));
143 ret_work
= work
->next
;
145 remove_old_servers(work
, -1, remove_all_servers
);
147 if (!work
->serverlist
)
149 if (work
->prev
) work
->prev
->next
= work
->next
;
150 if (work
->next
) work
->next
->prev
= work
->prev
;
152 if (d
->workgrouplist
== work
) d
->workgrouplist
= work
->next
;
161 /****************************************************************************
162 find a workgroup in the workgrouplist
163 only create it if the domain allows it, or the parameter 'add' insists
164 that it get created/added anyway. this allows us to force entries in
165 lmhosts file to be added.
166 **************************************************************************/
167 struct work_record
*find_workgroupstruct(struct subnet_record
*d
,
168 fstring name
, BOOL add
)
170 struct work_record
*ret
, *work
;
174 DEBUG(4, ("workgroup search for %s: ", name
));
176 if (strequal(name
, "*"))
178 DEBUG(2,("add any workgroups: initiating browser search on %s\n",
179 inet_ntoa(d
->bcast_ip
)));
180 queue_netbios_pkt_wins(d
,ClientNMB
,NMB_QUERY
, NAME_QUERY_FIND_MST
,
181 MSBROWSE
,0x1,0,0,0,NULL
,NULL
,
182 True
,False
, d
->bcast_ip
, d
->bcast_ip
);
186 for (ret
= d
->workgrouplist
; ret
; ret
= ret
->next
) {
187 if (!strcmp(ret
->work_group
,name
)) {
188 DEBUG(4, ("found\n"));
194 DEBUG(4, ("not found\n"));
198 DEBUG(4,("not found: creating\n"));
200 if ((work
= make_workgroup(name
)))
202 if (!ip_equal(d
->bcast_ip
, ipgrp
) &&
203 lp_preferred_master() &&
204 strequal(lp_workgroup(), name
))
206 DEBUG(3, ("preferred master startup for %s\n", work
->work_group
));
207 work
->needelection
= True
;
208 work
->ElectionCriterion
|= (1<<3);
210 add_workgroup(work
, d
);
217 /****************************************************************************
218 dump a copy of the workgroup/domain database
219 **************************************************************************/
220 void dump_workgroups(void)
222 struct subnet_record
*d
;
224 for (d
= subnetlist
; d
; d
= d
->next
)
226 if (d
->workgrouplist
)
228 struct work_record
*work
;
230 DEBUG(4,("dump domain bcast=%15s: ", inet_ntoa(d
->bcast_ip
)));
231 DEBUG(4,(" netmask=%15s:\n", inet_ntoa(d
->mask_ip
)));
233 for (work
= d
->workgrouplist
; work
; work
= work
->next
)
235 DEBUG(4,("\t%s(%d)\n", work
->work_group
, work
->token
));
236 if (work
->serverlist
)
238 struct server_record
*s
;
239 for (s
= work
->serverlist
; s
; s
= s
->next
)
241 DEBUG(4,("\t\t%s %8x (%s)\n",
242 s
->serv
.name
, s
->serv
.type
, s
->serv
.comment
));