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/*
Unix SMB/Netbios implementation.
Version 1.9.
NBT netbios routines and daemon - version 2
Copyright (C) Andrew Tridgell 1994-1997
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
**************************************************************************/
void process_logon_packet(struct packet_struct *p,char *buf,int len)
{
struct dgram_packet *dgram = &p->packet.dgram;
char *logname,*q;
fstring reply_name;
BOOL add_slashes = False;
pstring outbuf;
int code,reply_code;
char unknown_byte = 0;
uint16 request_count = 0;
uint16 token = 0;
if (!lp_domain_logons())
{
DEBUG(3,("No domain logons\n"));
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));
}
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