s3:smbXsrv_tcon: add smbXsrv_tcon_global_traverse()
[Samba.git] / source3 / nmbd / nmbd_logonnames.c
blob9a05095bfd0124feb774c10b22ef2610bd81c1a6
1 /*
2 Unix SMB/CIFS implementation.
3 NBT netbios routines and daemon - version 2
4 Copyright (C) Andrew Tridgell 1994-1998
5 Copyright (C) Luke Kenneth Casson Leighton 1994-1998
6 Copyright (C) Jeremy Allison 1994-2003
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "includes.h"
24 #include "../librpc/gen_ndr/svcctl.h"
25 #include "nmbd/nmbd.h"
27 extern uint16 samba_nb_type; /* Samba's NetBIOS type. */
29 /****************************************************************************
30 Fail to become a Logon server on a subnet.
31 ****************************************************************************/
33 static void become_logon_server_fail(struct subnet_record *subrec,
34 struct response_record *rrec,
35 struct nmb_name *fail_name)
37 unstring failname;
38 struct work_record *work;
39 struct server_record *servrec;
41 pull_ascii_nstring(failname, sizeof(failname), fail_name->name);
42 work = find_workgroup_on_subnet(subrec, failname);
43 if(!work) {
44 DEBUG(0,("become_logon_server_fail: Error - cannot find \
45 workgroup %s on subnet %s\n", failname, subrec->subnet_name));
46 return;
49 if((servrec = find_server_in_workgroup( work, lp_netbios_name())) == NULL) {
50 DEBUG(0,("become_logon_server_fail: Error - cannot find server %s \
51 in workgroup %s on subnet %s\n",
52 lp_netbios_name(), failname, subrec->subnet_name));
53 work->log_state = LOGON_NONE;
54 return;
57 /* Set the state back to LOGON_NONE. */
58 work->log_state = LOGON_NONE;
60 servrec->serv.type &= ~SV_TYPE_DOMAIN_CTRL;
62 DEBUG(0,("become_logon_server_fail: Failed to become a domain master for \
63 workgroup %s on subnet %s. Couldn't register name %s.\n",
64 work->work_group, subrec->subnet_name, nmb_namestr(fail_name)));
68 /****************************************************************************
69 Become a Logon server on a subnet.
70 ****************************************************************************/
72 static void become_logon_server_success(struct subnet_record *subrec,
73 struct userdata_struct *userdata,
74 struct nmb_name *registered_name,
75 uint16 nb_flags,
76 int ttl, struct in_addr registered_ip)
78 unstring reg_name;
79 struct work_record *work;
80 struct server_record *servrec;
82 pull_ascii_nstring(reg_name, sizeof(reg_name), registered_name->name);
83 work = find_workgroup_on_subnet( subrec, reg_name);
84 if(!work) {
85 DEBUG(0,("become_logon_server_success: Error - cannot find \
86 workgroup %s on subnet %s\n", reg_name, subrec->subnet_name));
87 return;
90 if((servrec = find_server_in_workgroup( work, lp_netbios_name())) == NULL) {
91 DEBUG(0,("become_logon_server_success: Error - cannot find server %s \
92 in workgroup %s on subnet %s\n",
93 lp_netbios_name(), reg_name, subrec->subnet_name));
94 work->log_state = LOGON_NONE;
95 return;
98 /* Set the state in the workgroup structure. */
99 work->log_state = LOGON_SRV; /* Become domain master. */
101 /* Update our server status. */
102 servrec->serv.type |= (SV_TYPE_NT|SV_TYPE_DOMAIN_MEMBER);
103 /* To allow Win95 policies to load we need to set type domain
104 controller.
106 servrec->serv.type |= SV_TYPE_DOMAIN_CTRL;
108 /* Tell the namelist writer to write out a change. */
109 subrec->work_changed = True;
112 * Add the WORKGROUP<1C> name to the UNICAST subnet with the IP address
113 * for this subnet so we will respond to queries on this name.
117 struct nmb_name nmbname;
118 make_nmb_name(&nmbname,lp_workgroup(),0x1c);
119 insert_permanent_name_into_unicast(subrec, &nmbname, 0x1c);
122 DEBUG(0,("become_logon_server_success: Samba is now a logon server \
123 for workgroup %s on subnet %s\n", work->work_group, subrec->subnet_name));
126 /*******************************************************************
127 Become a logon server by attempting to register the WORKGROUP<1c>
128 group name.
129 ******************************************************************/
131 static void become_logon_server(struct subnet_record *subrec,
132 struct work_record *work)
134 DEBUG(2,("become_logon_server: Atempting to become logon server for workgroup %s \
135 on subnet %s\n", work->work_group,subrec->subnet_name));
137 DEBUG(3,("become_logon_server: go to first stage: register %s<1c> name\n",
138 work->work_group));
139 work->log_state = LOGON_WAIT;
141 register_name(subrec, work->work_group,0x1c,samba_nb_type|NB_GROUP,
142 become_logon_server_success,
143 become_logon_server_fail, NULL);
146 /*****************************************************************************
147 Add the internet group <1c> logon names by unicast and broadcast.
148 ****************************************************************************/
150 void add_logon_names(void)
152 struct subnet_record *subrec;
154 for (subrec = FIRST_SUBNET; subrec; subrec = NEXT_SUBNET_INCLUDING_UNICAST(subrec)) {
155 struct work_record *work = find_workgroup_on_subnet(subrec, lp_workgroup());
157 if (work && (work->log_state == LOGON_NONE)) {
158 struct nmb_name nmbname;
159 make_nmb_name(&nmbname,lp_workgroup(),0x1c);
161 if (find_name_on_subnet(subrec, &nmbname, FIND_SELF_NAME) == NULL) {
162 if( DEBUGLVL( 0 ) ) {
163 dbgtext( "add_domain_logon_names:\n" );
164 dbgtext( "Attempting to become logon server " );
165 dbgtext( "for workgroup %s ", lp_workgroup() );
166 dbgtext( "on subnet %s\n", subrec->subnet_name );
168 become_logon_server(subrec, work);