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
|
/*
Unix SMB/Netbios implementation.
Version 1.9.
NBT netbios routines and daemon - version 2
Copyright (C) Andrew Tridgell 1994-1995
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.
Revision History:
14 jan 96: lkcl@pires.co.uk
added multiple workgroup domain master support
*/
#include "includes.h"
extern int ClientDGRAM;
#define TEST_CODE /* want to debug unknown browse packets */
extern int DEBUGLEVEL;
extern pstring myname;
/****************************************************************************
process a domain logon packet
08aug96 lkcl@pires.co.uk
reply_code == 0xC courtesy of jim@oxfordcc.co.uk forwarded by
lewis2@server.uwindsor.ca
**************************************************************************/
void process_logon_packet(struct packet_struct *p,char *buf,int len)
{
struct dgram_packet *dgram = &p->packet.dgram;
struct in_addr ip = dgram->header.source_ip;
struct subnet_record *d = find_subnet_all(ip);
char *logname,*q;
fstring reply_name;
BOOL add_slashes = False;
pstring outbuf;
int code,reply_code;
struct work_record *work;
char unknown_byte = 0;
uint16 request_count = 0;
uint16 token = 0;
if (!lp_domain_logons())
{
DEBUG(3,("No domain logons\n"));
return;
}
if (!d)
{
DEBUG(0,("process_logon_packet: Cannot find subnet for logon request from %s\n",
inet_ntoa(p->ip) ));
return;
}
if (!(work = find_workgroupstruct(d,dgram->dest_name.name, False)))
{
DEBUG(0,("process_logon_packet: Cannot find WORKGROUP %s for logon request fomr %s\n",
dgram->dest_name.name, inet_ntoa(p->ip) ));
return;
}
code = SVAL(buf,0);
switch (code)
{
case 0:
{
char *machine = buf+2;
char *user = skip_string(machine,1);
char *tmp;
logname = skip_string(user,1);
tmp = skip_string(logname,1);
unknown_byte = CVAL(tmp,0);
request_count = SVAL(tmp,1);
token = SVAL(tmp,3);
reply_code = 0x6;
strcpy(reply_name,myname);
strupper(reply_name);
add_slashes = True;
DEBUG(3,("Domain login request from %s(%s) user=%s token=%x\n",
machine,inet_ntoa(p->ip),user,token));
break;
}
case 7:
{
char *machine = buf+2;
logname = skip_string(machine,1);
token = SVAL(skip_string(logname,1),0);
strcpy(reply_name,lp_domain_controller());
if (!*reply_name)
{
/* oo! no domain controller. must be us, then */
strcpy(reply_name,myname);
reply_code = 0xC;
}
else
{
/* refer logon request to the domain controller */
reply_code = 0x7;
}
strupper(reply_name);
DEBUG(3,("GETDC request from %s(%s), reporting %s 0x%x token=%x\n",
machine,inet_ntoa(p->ip), reply_name, reply_code,token));
break;
}
default:
{
DEBUG(3,("Unknown domain request %d\n",code));
return;
}
}
bzero(outbuf,sizeof(outbuf));
q = outbuf;
SSVAL(q,0,reply_code);
q += 2;
if (token == 0xffff || /* LM 2.0 or later */
token == 0xfffe) /* WfWg networking */
{
if (add_slashes)
{
strcpy(q,"\\\\");
q += 2;
}
strcpy(q, reply_name);
strupper(q);
q = skip_string(q,1);
if (token == 0xffff) /* LM 2.0 or later */
{
SSVAL(q,0,token);
q += 2;
}
}
SSVAL(q,0,0xFFFF);
q += 2;
send_mailslot_reply(True, logname,ClientDGRAM,outbuf,PTR_DIFF(q,outbuf),
myname,&dgram->source_name.name[0],0x20,0,p->ip,
*iface_ip(p->ip));
}
|
