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
|
/*
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 domain master browser support
30 aug 96: lkcl@pires.co.uk
added multiple domain logon support, using extensions to David Chappell's
multiple domain master browser code.
*/
#include "includes.h"
extern int ClientDGRAM;
extern int DEBUGLEVEL;
/****************************************************************************
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(ip);
char *logname,*q;
fstring reply_name;
BOOL add_slashes = False;
pstring outbuf;
int code,reply_code;
struct work_record *work;
char *my_name;
if (!d) return;
if (!(work = find_workgroupstruct(d,dgram->dest_name.name, False)))
return;
if ((my_name = conf_browsing_alias(work->token)) == NULL) return;
if (!conf_should_domain_logon(work->token))
{
DEBUG(3,("No domain logons for %s (%s)\n", work->work_group, my_name));
return;
}
code = SVAL(buf,0);
switch (code) {
case 0:
{
char *machine = buf+2;
char *user = skip_string(machine,1);
logname = skip_string(user,1);
reply_code = 6;
strcpy(reply_name, my_name);
strupper(reply_name);
add_slashes = True;
DEBUG(3,("Domain login request from %s(%s) user=%s\n",
machine,inet_ntoa(p->ip),user));
}
break;
case 7:
{
char *machine = buf+2;
logname = skip_string(machine,1);
reply_code = 7;
strcpy(reply_name,lp_domain_controller());
if (!*reply_name) {
strcpy(reply_name,my_name);
reply_code = 0xC;
}
strupper(reply_name);
DEBUG(3,("GETDC request from %s(%s), reporting %s 0x%2x\n",
machine,inet_ntoa(p->ip), reply_name, reply_code));
}
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 (add_slashes) {
strcpy(q,"\\\\");
q += 2;
}
StrnCpy(q,reply_name,16);
q = skip_string(q,1);
if (reply_code == 0xC)
{
if ( PTR_DIFF (q,outbuf) & 1 )
{
q++;
}
PutUniCode(q,reply_name);
q += 2*(strlen(reply_name) + 1);
PutUniCode(q,work->work_group);
q += 2*(strlen(work->work_group) + 1);
SIVAL(q,0,1);
q += 4;
SSVAL(q,0,0xFFFF);
q += 2;
}
SSVAL(q,0,0xFFFF);
q += 2;
send_mailslot_reply(logname,ClientDGRAM,outbuf,PTR_DIFF(q,outbuf),
my_name,&dgram->source_name.name[0],0x20,0,p->ip,
*iface_ip(p->ip));
}
|
