2 Unix SMB/Netbios implementation.
4 NBT netbios routines and daemon - version 2
5 Copyright (C) Andrew Tridgell 1994-1998
6 Copyright (C) Luke Kenneth Casson Leighton 1994-1998
7 Copyright (C) Jeremy Allison 1994-1998
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 extern int DEBUGLEVEL;
31 extern pstring global_myname;
32 extern fstring global_myworkgroup;
34 /****************************************************************************
35 Process a domain logon packet
36 **************************************************************************/
38 void process_logon_packet(struct packet_struct *p,char *buf,int len,
41 struct dgram_packet *dgram = &p->packet.dgram;
52 char *uniuser; /* Unicode user name. */
54 char *unicomp; /* Unicode computer name. */
56 memset(outbuf, 0, sizeof(outbuf));
58 if (!lp_domain_logons())
60 DEBUG(3,("process_logon_packet: Logon packet received from IP %s and domain \
61 logons are not enabled.\n", inet_ntoa(p->ip) ));
65 pstrcpy(my_name, global_myname);
69 DEBUG(1,("process_logon_packet: Logon from %s: code = %x\n", inet_ntoa(p->ip), code));
77 char *user = skip_string(machine,1);
79 getdc = skip_string(user,1);
80 q = skip_string(getdc,1);
83 fstrcpy(reply_name,my_name);
85 DEBUG(3,("process_logon_packet: Domain login request from %s at IP %s user=%s token=%x\n",
86 machine,inet_ntoa(p->ip),user,token));
92 fstrcpy(reply_name, "\\\\");
93 fstrcat(reply_name, my_name);
94 fstrcpy(q, reply_name); q = skip_string(q, 1); /* PDC name */
99 dump_data(4, outbuf, PTR_DIFF(q, outbuf));
101 send_mailslot(True, getdc,
102 outbuf,PTR_DIFF(q,outbuf),
103 dgram->dest_name.name,
104 dgram->dest_name.name_type,
105 dgram->source_name.name,
106 dgram->source_name.name_type,
107 p->ip, *iface_ip(p->ip), p->port);
116 getdc = skip_string(machine,1);
117 unicomp = skip_string(getdc,1);
119 q = align2(unicomp, buf);
121 q = skip_unicode_string(q, 1);
123 ntversion = IVAL(q, 0);
125 lmnttoken = SVAL(q, 0);
127 lm20token = SVAL(q, 0);
130 /* Construct reply. */
133 SSVAL(q, 0, QUERYFORPDC_R);
136 fstrcpy(reply_name,my_name);
137 fstrcpy(q, reply_name);
139 q = skip_string(q, 1); /* PDC name */
141 if (strcmp(mailslot, NT_LOGON_MAILSLOT)==0) {
144 dos_PutUniCode(q, my_name, sizeof(pstring)); /* PDC name */
145 q = skip_unicode_string(q, 1);
147 dos_PutUniCode(q, global_myworkgroup,sizeof(pstring)); /* Domain name*/
148 q = skip_unicode_string(q, 1);
150 SIVAL(q, 0, ntversion);
152 SSVAL(q, 0, lmnttoken);
154 SSVAL(q, 0, lm20token);
158 DEBUG(3,("process_logon_packet: GETDC request from %s at IP %s, \
159 reporting %s domain %s 0x%x ntversion=%x lm_nt token=%x lm_20 token=%x\n",
160 machine,inet_ntoa(p->ip), reply_name, lp_workgroup(),
161 QUERYFORPDC_R, (uint32)ntversion, (uint32)lmnttoken,
162 (uint32)lm20token ));
164 dump_data(4, outbuf, PTR_DIFF(q, outbuf));
166 send_mailslot(True, getdc,
167 outbuf,PTR_DIFF(q,outbuf),
168 dgram->dest_name.name,
169 dgram->dest_name.name_type,
170 dgram->source_name.name,
171 dgram->source_name.name_type,
172 p->ip, *iface_ip(p->ip), p->port);
182 uniuser = skip_unicode_string(unicomp,1);
183 getdc = skip_unicode_string(uniuser,1);
184 q = skip_string(getdc,1);
186 domainsidsize = IVAL(q, 0);
188 q += domainsidsize + 3;
189 ntversion = IVAL(q, 0);
191 lmnttoken = SVAL(q, 0);
193 lm20token = SVAL(q, 0);
196 DEBUG(3,("process_logon_packet: SAMLOGON sidsize %d ntv %d\n", domainsidsize, ntversion));
199 * we respond regadless of whether the machine is in our password
200 * database. If it isn't then we let smbd send an appropriate error.
201 * Let's ignore the SID.
204 pstrcpy(ascuser, dos_unistr(uniuser));
205 DEBUG(3,("process_logon_packet: SAMLOGON user %s\n", ascuser));
207 fstrcpy(reply_name,"\\\\"); /* Here it wants \\LOGONSERVER. */
208 fstrcpy(reply_name+2,my_name);
210 DEBUG(3,("process_logon_packet: SAMLOGON request from %s(%s) for %s, returning logon svr %s domain %s code %x token=%x\n",
211 dos_unistr(unicomp),inet_ntoa(p->ip), ascuser, reply_name, global_myworkgroup,
212 SAMLOGON_R ,lmnttoken));
214 /* Construct reply. */
217 SSVAL(q, 0, SAMLOGON_R);
220 dos_PutUniCode(q, reply_name,sizeof(pstring));
221 q = skip_unicode_string(q, 1);
222 unistrcpy(q, uniuser);
223 q = skip_unicode_string(q, 1); /* User name (workstation trust account) */
224 dos_PutUniCode(q, lp_workgroup(),sizeof(pstring));
225 q = skip_unicode_string(q, 1); /* Domain name. */
227 SIVAL(q, 0, ntversion);
229 SSVAL(q, 0, lmnttoken);
231 SSVAL(q, 0, lm20token);
234 dump_data(4, outbuf, PTR_DIFF(q, outbuf));
236 send_mailslot(True, getdc,
237 outbuf,PTR_DIFF(q,outbuf),
238 dgram->dest_name.name,
239 dgram->dest_name.name_type,
240 dgram->source_name.name,
241 dgram->source_name.name_type,
242 p->ip, *iface_ip(p->ip), p->port);
248 DEBUG(3,("process_logon_packet: Unknown domain request %d\n",code));