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/*
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(ip);
char *logname,*q;
char *reply_name;
BOOL add_slashes = False;
pstring outbuf;
int code,reply_code;
struct work_record *work;
if (!d) return;
if (!(work = find_workgroupstruct(d,dgram->dest_name.name, False)))
return;
if (!lp_domain_logons()) {
DEBUG(3,("No domain logons\n"));
return;
}
if (!listening_name(work, &dgram->dest_name))
{
DEBUG(4,("Not listening to that domain\n"));
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;
reply_name = myname;
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;
reply_name = lp_domain_controller();
if (!*reply_name) {
reply_name = myname;
reply_code = 0xC;
}
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);
strupper(q);
q = skip_string(q,1);
if (reply_code == 0xC)
{
if ( PTR_DIFF (q,outbuf) & 1 )
{
q++;
}
StrnCpy(q,reply_name,16);
strupper(q);
q = skip_string(q,1);
StrnCpy(q,lp_workgroup(),16);
strupper(q);
q = skip_string(q,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),
myname,&dgram->source_name.name[0],0x20,0,p->ip,
*iface_ip(p->ip));
}
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