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-rw-r--r--source/namelogon.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/source/namelogon.c b/source/namelogon.c
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--- /dev/null
+++ b/source/namelogon.c
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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));
+}