1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/*
Unix SMB/CIFS implementation.
NBT netbios routines and daemon - version 2
Copyright (C) Andrew Tridgell 1994-1998
Copyright (C) Luke Kenneth Casson Leighton 1994-1998
Copyright (C) Jeremy Allison 1994-1998
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
extern pstring global_myname;
extern fstring global_myworkgroup;
extern char **my_netbios_names;
extern struct in_addr allones_ip;
extern uint16 samba_nb_type; /* Samba's NetBIOS type. */
/****************************************************************************
Fail to become a Logon server on a subnet.
****************************************************************************/
static void become_logon_server_fail(struct subnet_record *subrec,
struct response_record *rrec,
struct nmb_name *fail_name)
{
struct work_record *work = find_workgroup_on_subnet(subrec, fail_name->name);
struct server_record *servrec;
if(!work)
{
DEBUG(0,("become_logon_server_fail: Error - cannot find \
workgroup %s on subnet %s\n", fail_name->name, subrec->subnet_name));
return;
}
if((servrec = find_server_in_workgroup( work, global_myname)) == NULL)
{
DEBUG(0,("become_logon_server_fail: Error - cannot find server %s \
in workgroup %s on subnet %s\n",
global_myname, fail_name->name, subrec->subnet_name));
work->log_state = LOGON_NONE;
return;
}
/* Set the state back to LOGON_NONE. */
work->log_state = LOGON_NONE;
servrec->serv.type &= ~SV_TYPE_DOMAIN_CTRL;
DEBUG(0,("become_logon_server_fail: Failed to become a domain master for \
workgroup %s on subnet %s. Couldn't register name %s.\n",
work->work_group, subrec->subnet_name, nmb_namestr(fail_name)));
}
/****************************************************************************
Become a Logon server on a subnet.
****************************************************************************/
static void become_logon_server_success(struct subnet_record *subrec,
struct userdata_struct *userdata,
struct nmb_name *registered_name,
uint16 nb_flags,
int ttl, struct in_addr registered_ip)
{
struct work_record *work = find_workgroup_on_subnet( subrec, registered_name->name);
struct server_record *servrec;
if(!work)
{
DEBUG(0,("become_logon_server_success: Error - cannot find \
workgroup %s on subnet %s\n", registered_name->name, subrec->subnet_name));
return;
}
if((servrec = find_server_in_workgroup( work, global_myname)) == NULL)
{
DEBUG(0,("become_logon_server_success: Error - cannot find server %s \
in workgroup %s on subnet %s\n",
global_myname, registered_name->name, subrec->subnet_name));
work->log_state = LOGON_NONE;
return;
}
/* Set the state in the workgroup structure. */
work->log_state = LOGON_SRV; /* Become domain master. */
/* Update our server status. */
servrec->serv.type |= (SV_TYPE_NT|SV_TYPE_DOMAIN_MEMBER);
/* To allow Win95 policies to load we need to set type domain
controller.
*/
servrec->serv.type |= SV_TYPE_DOMAIN_CTRL;
/* Tell the namelist writer to write out a change. */
subrec->work_changed = True;
/*
* Add the WORKGROUP<1C> name to the UNICAST subnet with the IP address
* for this subnet so we will respond to queries on this name.
*/
{
struct nmb_name nmbname;
make_nmb_name(&nmbname,global_myworkgroup,0x1c);
insert_permanent_name_into_unicast(subrec, &nmbname, 0x1c);
}
DEBUG(0,("become_logon_server_success: Samba is now a logon server \
for workgroup %s on subnet %s\n", work->work_group, subrec->subnet_name));
}
/*******************************************************************
Become a logon server by attempting to register the WORKGROUP<1c>
group name.
******************************************************************/
static void become_logon_server(struct subnet_record *subrec,
struct work_record *work)
{
DEBUG(2,("become_logon_server: Atempting to become logon server for workgroup %s \
on subnet %s\n", work->work_group,subrec->subnet_name));
DEBUG(3,("become_logon_server: go to first stage: register %s<1c> name\n",
work->work_group));
work->log_state = LOGON_WAIT;
register_name(subrec, work->work_group,0x1c,samba_nb_type|NB_GROUP,
become_logon_server_success,
become_logon_server_fail, NULL);
}
/*****************************************************************************
Add the internet group <1c> logon names by unicast and broadcast.
****************************************************************************/
void add_logon_names(void)
{
struct subnet_record *subrec;
for (subrec = FIRST_SUBNET; subrec; subrec = NEXT_SUBNET_INCLUDING_UNICAST(subrec))
{
struct work_record *work = find_workgroup_on_subnet(subrec, global_myworkgroup);
if (work && (work->log_state == LOGON_NONE))
{
struct nmb_name nmbname;
make_nmb_name(&nmbname,global_myworkgroup,0x1c);
if (find_name_on_subnet(subrec, &nmbname, FIND_SELF_NAME) == NULL)
{
if( DEBUGLVL( 0 ) )
{
dbgtext( "add_domain_logon_names:\n" );
dbgtext( "Attempting to become logon server " );
dbgtext( "for workgroup %s ", global_myworkgroup );
dbgtext( "on subnet %s\n", subrec->subnet_name );
}
become_logon_server(subrec, work);
}
}
}
}
|
