Unix SMB/Netbios implementation.
Version 1.9.
NBT netbios routines and daemon - version 2
- Copyright (C) Andrew Tridgell 1994-1997
- Copyright (C) Luke Kenneth Casson Leighton 1994-1997
- Copyright (C) Jeremy Allison 1994-1997
+ Copyright (C) Andrew Tridgell 1994-1998
+ Copyright (C) Luke Kenneth Casson Leighton 1994-1998
+ Copyright (C) Jeremy Allison 1994-1998
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
extern int DEBUGLEVEL;
-extern pstring myname;
-extern fstring myworkgroup;
+extern pstring global_myname;
+extern fstring global_myworkgroup;
/****************************************************************************
Process a domain logon packet
struct dgram_packet *dgram = &p->packet.dgram;
pstring my_name;
fstring reply_name;
- BOOL add_slashes = False;
pstring outbuf;
- int code,reply_code;
- char unknown_byte = 0;
- uint16 request_count = 0;
+ int code;
uint16 token = 0;
-
uint32 ntversion;
uint16 lmnttoken;
uint16 lm20token;
- uint32 allowableaccount; /* Control bits, i.e. 0x80 == workstation trust a/c. */
uint32 domainsidsize;
- uint16 requestcount;
- char *domainsid;
char *getdc;
char *uniuser; /* Unicode user name. */
- pstring ascuser;
char *unicomp; /* Unicode computer name. */
- struct smb_passwd *smb_pass; /* To check if machine account exists */
+
+ memset(outbuf, 0, sizeof(outbuf));
if (!lp_domain_logons())
{
- DEBUG(3,("process_logon_packet: Logon packet received from IP %S and domain \
+ DEBUG(3,("process_logon_packet: Logon packet received from IP %s and domain \
logons are not enabled.\n", inet_ntoa(p->ip) ));
return;
}
- strcpy(my_name, myname);
+ pstrcpy(my_name, global_myname);
strupper(my_name);
code = SVAL(buf,0);
getdc = skip_string(user,1);
q = skip_string(getdc,1);
- unknown_byte = CVAL(q,0);
- request_count = SVAL(q,1);
token = SVAL(q,3);
- reply_code = 0x6;
- strcpy(reply_name,my_name);
- add_slashes = True;
+ fstrcpy(reply_name,my_name);
DEBUG(3,("process_logon_packet: Domain login request from %s at IP %s user=%s token=%x\n",
machine,inet_ntoa(p->ip),user,token));
q = outbuf;
- SSVAL(q, 0, 6); q += 2;
+ SSVAL(q, 0, 6);
+ q += 2;
- strcpy(reply_name, "\\\\");
- strcat(reply_name, my_name);
- strcpy(q, reply_name); q = skip_string(q, 1); /* PDC name */
+ fstrcpy(reply_name, "\\\\");
+ fstrcat(reply_name, my_name);
+ fstrcpy(q, reply_name); q = skip_string(q, 1); /* PDC name */
- SSVAL(q, 0, token); q += 2;
+ SSVAL(q, 0, token);
+ q += 2;
dump_data(4, outbuf, PTR_DIFF(q, outbuf));
dgram->dest_name.name_type,
dgram->source_name.name,
dgram->source_name.name_type,
- p->ip, *iface_ip(p->ip));
+ p->ip, *iface_ip(p->ip), p->port);
break;
}
q = align2(unicomp, buf);
- q = skip_unicode_string(q, 1);
+ q = skip_unibuf(q, buf+len-q);
- ntversion = IVAL(q, 0); q += 4;
- lmnttoken = SVAL(q, 0); q += 2;
- lm20token = SVAL(q, 0); q += 2;
+ ntversion = IVAL(q, 0);
+ q += 4;
+ lmnttoken = SVAL(q, 0);
+ q += 2;
+ lm20token = SVAL(q, 0);
+ q += 2;
/* Construct reply. */
q = outbuf;
- SSVAL(q, 0, QUERYFORPDC_R); q += 2;
+ SSVAL(q, 0, QUERYFORPDC_R);
+ q += 2;
- strcpy(reply_name,my_name);
- strcpy(q, reply_name); q = skip_string(q, 1); /* PDC name */
+ fstrcpy(reply_name,my_name);
+ fstrcpy(q, reply_name);
+ q = skip_string(q, 1); /* PDC name */
- if (strcmp(mailslot, NT_LOGON_MAILSLOT)==0) {
- q = align2(q, buf);
+ q = align2(q, buf);
- PutUniCode(q, my_name); /* PDC name */
- q = skip_unicode_string(q, 1);
- PutUniCode(q, myworkgroup); /* Domain name*/
- q = skip_unicode_string(q, 1);
+ /* PDC and domain name */
+ q = ascii_to_unibuf(q, my_name, outbuf+sizeof(outbuf)-q-2);
+ q = ascii_to_unibuf(q, global_myworkgroup, outbuf+sizeof(outbuf)-q-2);
- SIVAL(q, 0, ntversion); q += 4;
- SSVAL(q, 0, lmnttoken); q += 2;
- SSVAL(q, 0, lm20token); q += 2;
- }
+ SIVAL(q, 0, ntversion);
+ q += 4;
+ SSVAL(q, 0, lmnttoken);
+ q += 2;
+ SSVAL(q, 0, lm20token);
+ q += 2;
DEBUG(3,("process_logon_packet: GETDC request from %s at IP %s, \
reporting %s domain %s 0x%x ntversion=%x lm_nt token=%x lm_20 token=%x\n",
dgram->dest_name.name_type,
dgram->source_name.name,
dgram->source_name.name_type,
- p->ip, *iface_ip(p->ip));
+ p->ip, *iface_ip(p->ip), p->port);
return;
}
{
char *q = buf + 2;
- requestcount = SVAL(q, 0); q += 2;
+ q += 2;
unicomp = q;
- uniuser = skip_unicode_string(unicomp,1);
- getdc = skip_unicode_string(uniuser,1);
+ uniuser = skip_unibuf(unicomp, buf+len-q);
+ getdc = skip_unibuf(uniuser, buf+len-q);
q = skip_string(getdc,1);
- allowableaccount = IVAL(q, 0); q += 4;
- domainsidsize = IVAL(q, 0); q += 4;
- domainsid = q;
- q += domainsidsize + 3;
- ntversion = IVAL(q, 0); q += 4;
- lmnttoken = SVAL(q, 0); q += 2;
- lm20token = SVAL(q, 0); q += 2;
+ q += 4;
+ domainsidsize = IVAL(q, 0);
+ q += 4;
+ q += domainsidsize;
+ q = align4(q, buf);
- DEBUG(3,("process_logon_packet: SAMLOGON sidsize %d ntv %d\n", domainsidsize, ntversion));
+ ntversion = IVAL(q, 0);
+ q += 4;
+ lmnttoken = SVAL(q, 0);
+ q += 2;
+ lm20token = SVAL(q, 0);
+ q += 2;
+
+ DEBUG(3,("process_logon_packet: SAMLOGON sidsize %d ntv %x\n", domainsidsize, ntversion));
/*
- * If MACHINE$ is in our password database then respond, else ignore.
+ * we respond regadless of whether the machine is in our password
+ * database. If it isn't then we let smbd send an appropriate error.
* Let's ignore the SID.
*/
- strcpy(ascuser, unistr(uniuser));
- DEBUG(3,("process_logon_packet: SAMLOGON user %s\n", ascuser));
+ fstrcpy(reply_name,"\\\\"); /* Here it wants \\LOGONSERVER. */
+ fstrcpy(reply_name+2,my_name);
- strcpy(reply_name,"\\\\"); /* Here it wants \\LOGONSERVER. */
- strcpy(reply_name+2,my_name);
+ if (DEBUGLVL(3))
+ {
+ fstring ascuser;
+ fstring asccomp;
- smb_pass = get_smbpwd_entry(ascuser, 0);
+ unibuf_to_ascii(ascuser, uniuser, sizeof(ascuser)-1);
+ unibuf_to_ascii(asccomp, unicomp, sizeof(asccomp)-1);
- if(!smb_pass)
- {
- DEBUG(3,("process_logon_packet: SAMLOGON request from %s(%s) for %s, not in password file\n",
- unistr(unicomp),inet_ntoa(p->ip), ascuser));
- return;
- }
- else
- {
- DEBUG(3,("process_logon_packet: SAMLOGON request from %s(%s) for %s, returning logon svr %s domain %s code %x token=%x\n",
- unistr(unicomp),inet_ntoa(p->ip), ascuser, reply_name, myworkgroup,
- SAMLOGON_R ,lmnttoken));
+ DEBUGADD(3,("process_logon_packet: SAMLOGON request from %s(%s) for %s, returning logon svr %s domain %s code %x token=%x\n",
+ asccomp,inet_ntoa(p->ip), ascuser, reply_name,
+ global_myworkgroup, SAMLOGON_R, lmnttoken));
}
/* Construct reply. */
q = outbuf;
- SSVAL(q, 0, SAMLOGON_R); q += 2;
+ SSVAL(q, 0, SAMLOGON_R);
+ q += 2;
- PutUniCode(q, reply_name); q = skip_unicode_string(q, 1);
- unistrcpy(q, uniuser); q = skip_unicode_string(q, 1); /* User name (workstation trust account) */
- PutUniCode(q, lp_workgroup()); q = skip_unicode_string(q, 1); /* Domain name. */
+ /* Logon server, trust account, domain */
+ q = ascii_to_unibuf(q, reply_name, outbuf+sizeof(outbuf)-q-2);
+ q = uni_strncpy(q, uniuser, outbuf+sizeof(outbuf)-q-2);
+ q = ascii_to_unibuf(q, lp_workgroup(), outbuf+sizeof(outbuf)-q-2);
- SIVAL(q, 0, ntversion); q += 4;
- SSVAL(q, 0, lmnttoken); q += 2;
- SSVAL(q, 0, lm20token); q += 2;
+ SIVAL(q, 0, ntversion);
+ q += 4;
+ SSVAL(q, 0, lmnttoken);
+ q += 2;
+ SSVAL(q, 0, lm20token);
+ q += 2;
dump_data(4, outbuf, PTR_DIFF(q, outbuf));
dgram->dest_name.name_type,
dgram->source_name.name,
dgram->source_name.name_type,
- p->ip, *iface_ip(p->ip));
+ p->ip, *iface_ip(p->ip), p->port);
break;
}
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