summaryrefslogtreecommitdiff
path: root/source4/nmbd/nmbd_processlogon.c
diff options
context:
space:
mode:
Diffstat (limited to 'source4/nmbd/nmbd_processlogon.c')
-rw-r--r--source4/nmbd/nmbd_processlogon.c480
1 files changed, 0 insertions, 480 deletions
diff --git a/source4/nmbd/nmbd_processlogon.c b/source4/nmbd/nmbd_processlogon.c
deleted file mode 100644
index 1fcfd11a3e..0000000000
--- a/source4/nmbd/nmbd_processlogon.c
+++ /dev/null
@@ -1,480 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
- NBT netbios routines and daemon - version 2
- Copyright (C) Andrew Tridgell 1994-1998
- Copyright (C) Luke Kenneth Casson Leighton 1994-1998
- Copyright (C) Jeremy Allison 1994-1998
- Copyright (C) Jim McDonough 2002
- Copyright (C) Anthony Liguori 2002
-
- 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:
-
-*/
-
-#include "includes.h"
-
-struct sam_database_info {
- uint32 index;
- uint32 serial_lo, serial_hi;
- uint32 date_lo, date_hi;
-};
-
-/****************************************************************************
-Send a message to smbd to do a sam delta sync
-**************************************************************************/
-static void send_repl_message(uint32 low_serial)
-{
- TDB_CONTEXT *tdb;
-
- tdb = tdb_open_log(lock_path("connections.tdb"), 0,
- TDB_DEFAULT, O_RDONLY, 0);
-
- if (!tdb) {
- DEBUG(3, ("send_repl_message(): failed to open connections "
- "database\n"));
- return;
- }
-
- DEBUG(3, ("sending replication message, serial = 0x%04x\n",
- low_serial));
-
- message_send_all(tdb, MSG_SMB_SAM_REPL, &low_serial,
- sizeof(low_serial), False, NULL);
-
- tdb_close(tdb);
-}
-
-/****************************************************************************
-Process a domain logon packet
-**************************************************************************/
-
-void process_logon_packet(struct packet_struct *p, char *buf,int len,
- const char *mailslot)
-{
- struct dgram_packet *dgram = &p->packet.dgram;
- pstring my_name;
- fstring reply_name;
- pstring outbuf;
- int code;
- uint16 token = 0;
- uint32 ntversion = 0;
- uint16 lmnttoken = 0;
- uint16 lm20token = 0;
- uint32 domainsidsize;
- BOOL short_request = False;
- char *getdc;
- char *uniuser; /* Unicode user name. */
- pstring ascuser;
- char *unicomp; /* Unicode computer name. */
-
- memset(outbuf, 0, sizeof(outbuf));
-
- if (!lp_domain_logons())
- {
- DEBUG(3,("process_logon_packet: Logon packet received from IP %s and domain \
-logons are not enabled.\n", inet_ntoa(p->ip) ));
- return;
- }
-
- pstrcpy(my_name, lp_netbios_name());
-
- code = SVAL(buf,0);
- DEBUG(1,("process_logon_packet: Logon from %s: code = 0x%x\n", inet_ntoa(p->ip), code));
-
- switch (code)
- {
- case 0:
- {
- char *q = buf + 2;
- char *machine = q;
- char *user = skip_string(machine,1);
-
- getdc = skip_string(user,1);
- q = skip_string(getdc,1);
- token = SVAL(q,3);
-
- 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;
-
- 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;
-
- dump_data(4, outbuf, PTR_DIFF(q, outbuf));
-
- send_mailslot(True, getdc,
- outbuf,PTR_DIFF(q,outbuf),
- lp_netbios_name(), 0x0,
- machine,
- dgram->source_name.name_type,
- p->ip, *iface_ip(p->ip), p->port);
- break;
- }
-
- case QUERYFORPDC:
- {
- char *q = buf + 2;
- char *machine = q;
-
- if (!lp_domain_master())
- {
- /* We're not Primary Domain Controller -- ignore this */
- return;
- }
-
- getdc = skip_string(machine,1);
- q = skip_string(getdc,1);
- q = ALIGN2(q, buf);
-
- /* at this point we can work out if this is a W9X or NT style
- request. Experiments show that the difference is wether the
- packet ends here. For a W9X request we now end with a pair of
- bytes (usually 0xFE 0xFF) whereas with NT we have two further
- strings - the following is a simple way of detecting this */
- if (len - PTR_DIFF(q, buf) <= 3) {
- short_request = True;
- } else {
- unicomp = q;
-
- /* A full length (NT style) request */
- q = skip_unibuf(unicomp, PTR_DIFF(buf + len, unicomp));
-
- if (len - PTR_DIFF(q, buf) > 8) {
- /* with NT5 clients we can sometimes
- get additional data - a length specificed string
- containing the domain name, then 16 bytes of
- data (no idea what it is) */
- int dom_len = CVAL(q, 0);
- q++;
- if (dom_len != 0) {
- q += dom_len + 1;
- }
- q += 16;
- }
- ntversion = IVAL(q, 0);
- lmnttoken = SVAL(q, 4);
- lm20token = SVAL(q, 6);
- }
-
- /* Construct reply. */
- q = outbuf;
- SSVAL(q, 0, QUERYFORPDC_R);
- q += 2;
-
- fstrcpy(reply_name,my_name);
- fstrcpy(q, reply_name);
- q = skip_string(q, 1); /* PDC name */
-
- /* PDC and domain name */
- if (!short_request) /* Make a full reply */
- {
- q = ALIGN2(q, outbuf);
-
- q += dos_PutUniCode(q, my_name, sizeof(pstring), True); /* PDC name */
- q += dos_PutUniCode(q, lp_workgroup(),sizeof(pstring), True); /* Domain name*/
- SIVAL(q, 0, 1); /* our nt version */
- SSVAL(q, 4, 0xffff); /* our lmnttoken */
- SSVAL(q, 6, 0xffff); /* our lm20token */
- q += 8;
- }
-
- /* RJS, 21-Feb-2000, we send a short reply if the request was short */
-
- 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",
- machine,inet_ntoa(p->ip), reply_name, lp_workgroup(),
- QUERYFORPDC_R, (uint32)ntversion, (uint32)lmnttoken,
- (uint32)lm20token ));
-
- dump_data(4, outbuf, PTR_DIFF(q, outbuf));
-
- send_mailslot(True, getdc,
- outbuf,PTR_DIFF(q,outbuf),
- lp_netbios_name(), 0x0,
- dgram->source_name.name,
- dgram->source_name.name_type,
- p->ip, *iface_ip(p->ip), p->port);
- return;
- }
-
- case SAMLOGON:
- {
- char *q = buf + 2;
- fstring asccomp;
-
- q += 2;
- unicomp = q;
- uniuser = skip_unibuf(unicomp, PTR_DIFF(buf+len, unicomp));
- getdc = skip_unibuf(uniuser,PTR_DIFF(buf+len, uniuser));
- q = skip_string(getdc,1);
- q += 4; /* Account Control Bits - indicating username type */
- domainsidsize = IVAL(q, 0);
- q += 4;
-
- DEBUG(3,("process_logon_packet: SAMLOGON sidsize %d, len = %d\n", domainsidsize, len));
-
- if (domainsidsize < (len - PTR_DIFF(q, buf)) && (domainsidsize != 0)) {
- q += domainsidsize;
- q = ALIGN4(q, buf);
- }
-
- DEBUG(3,("process_logon_packet: len = %d PTR_DIFF(q, buf) = %d\n", len, PTR_DIFF(q, buf) ));
-
- if (len - PTR_DIFF(q, buf) > 8) {
- /* with NT5 clients we can sometimes
- get additional data - a length specificed string
- containing the domain name, then 16 bytes of
- data (no idea what it is) */
- int dom_len = CVAL(q, 0);
- q++;
- if (dom_len < (len - PTR_DIFF(q, buf)) && (dom_len != 0)) {
- q += dom_len + 1;
- }
- q += 16;
- }
-
- ntversion = IVAL(q, 0);
- lmnttoken = SVAL(q, 4);
- lm20token = SVAL(q, 6);
- q += 8;
-
- DEBUG(3,("process_logon_packet: SAMLOGON sidsize %d ntv %d\n", domainsidsize, ntversion));
-
- /*
- * 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.
- */
- pull_ucs2_pstring(ascuser, uniuser);
- pull_ucs2_fstring(asccomp, unicomp);
- DEBUG(3,("process_logon_packet: SAMLOGON user %s\n", ascuser));
-
- fstrcpy(reply_name, "\\\\"); /* Here it wants \\LOGONSERVER. */
- fstrcat(reply_name, my_name);
-
- DEBUG(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, lp_workgroup(),
- SAMLOGON_R ,lmnttoken));
-
- /* Construct reply. */
-
- q = outbuf;
- /* we want the simple version unless we are an ADS PDC..which means */
- /* never, at least for now */
- if ((ntversion < 11) || (SEC_ADS != lp_security()) || (ROLE_DOMAIN_PDC != lp_server_role())) {
- if (SVAL(uniuser, 0) == 0) {
- SSVAL(q, 0, SAMLOGON_UNK_R); /* user unknown */
- } else {
- SSVAL(q, 0, SAMLOGON_R);
- }
-
- q += 2;
-
- q += dos_PutUniCode(q, reply_name,sizeof(pstring), True);
- q += dos_PutUniCode(q, ascuser, sizeof(pstring), True);
- q += dos_PutUniCode(q, lp_workgroup(),sizeof(pstring), True);
- }
-#ifdef HAVE_ADS
- else {
- GUID domain_guid;
- pstring domain;
- char *hostname = NULL;
- char *component, *dc, *q1;
- uint8 size;
-
- get_mydomname(domain);
- hostname = get_myname();
-
- if (SVAL(uniuser, 0) == 0) {
- SSVAL(q, 0, SAMLOGON_AD_UNK_R); /* user unknown */
- } else {
- SSVAL(q, 0, SAMLOGON_AD_R);
- }
- q += 2;
-
- SSVAL(q, 0, 0);
- q += 2;
- SIVAL(q, 0, ADS_PDC|ADS_GC|ADS_LDAP|ADS_DS|
- ADS_KDC|ADS_TIMESERV|ADS_CLOSEST|ADS_WRITABLE);
- q += 4;
-
- /* Push Domain GUID */
- if (False == secrets_fetch_domain_guid(domain, &domain_guid)) {
- DEBUG(2, ("Could not fetch DomainGUID for %s\n", domain));
- return;
- }
- memcpy(q, &domain_guid, sizeof(domain_guid));
- q += sizeof(domain_guid);
-
- /* Push domain components */
- dc = domain;
- q1 = q;
- while ((component = strtok(dc, "."))) {
- dc = NULL;
- size = push_ascii(&q[1], component, -1, 0);
- SCVAL(q, 0, size);
- q += (size + 1);
- }
- SCVAL(q, 0, 0); q++;
- SSVAL(q, 0, 0x18c0); /* not sure what this is for, but */
- q += 2; /* it must follow the domain name. */
-
- /* Push dns host name */
- size = push_ascii(&q[1], hostname, -1, 0);
- SCVAL(q, 0, size);
- q += (size + 1);
- SSVAL(q, 0, 0x18c0); /* not sure what this is for, but */
- q += 2; /* it must follow the domain name. */
-
- /* Push NETBIOS of domain */
- size = push_ascii(&q[1], lp_workgroup(), -1, STR_UPPER);
- SCVAL(q, 0, size);
- q += (size + 1);
- SCVAL(q, 0, 0); q++; /* is this a null terminator or empty field */
- /* null terminator would not be needed because size is included */
-
- /* Push NETBIOS of hostname */
- size = push_ascii(&q[1], my_name, -1, 0);
- SCVAL(q, 0, size);
- q += (size + 1);
- SCVAL(q, 0, 0); q++; /* null terminator or empty field? */
-
- /* Push user account */
- size = push_ascii(&q[1], ascuser, -1, 0);
- SCVAL(q, 0, size);
- q += (size + 1);
-
- /* Push 'Default-First-Site-Name' */
- size = push_ascii(&q[1], "Default-First-Site-Name", -1, 0);
- SCVAL(q, 0, size);
- q += (size + 1);
-
- SSVAL(q, 0, 0xc000); /* unknown */
- SCVAL(q, 2, PTR_DIFF(q,q1));
- SCVAL(q, 3, 0x10); /* unknown */
- q += 4;
-
- SIVAL(q, 0, 0x00000002); q += 4; /* unknown */
- SIVAL(q, 0, (iface_ip(p->ip))->s_addr); q += 4;
- SIVAL(q, 0, 0x00000000); q += 4; /* unknown */
- SIVAL(q, 0, 0x00000000); q += 4; /* unknown */
- if (hostname) free(hostname);
- }
-#endif
-
- /* tell the client what version we are */
- SIVAL(q, 0, ((ntversion < 11) || (SEC_ADS != lp_security())) ? 1 : 13);
- /* our ntversion */
- SSVAL(q, 4, 0xffff); /* our lmnttoken */
- SSVAL(q, 6, 0xffff); /* our lm20token */
- q += 8;
-
- dump_data(4, outbuf, PTR_DIFF(q, outbuf));
-
- send_mailslot(True, getdc,
- outbuf,PTR_DIFF(q,outbuf),
- lp_netbios_name(), 0x0,
- dgram->source_name.name,
- dgram->source_name.name_type,
- p->ip, *iface_ip(p->ip), p->port);
- break;
- }
-
- /* Announce change to UAS or SAM. Send by the domain controller when a
- replication event is required. */
-
- case SAM_UAS_CHANGE: {
- struct sam_database_info *db_info;
- char *q = buf + 2;
- int i, db_count;
- uint32 low_serial;
-
- /* Header */
-
- low_serial = IVAL(q, 0); q += 4; /* Low serial number */
-
- q += 4; /* Date/time */
- q += 4; /* Pulse */
- q += 4; /* Random */
-
- /* Domain info */
-
- q = skip_string(q, 1); /* PDC name */
- q = skip_string(q, 1); /* Domain name */
- q = skip_unibuf(q, PTR_DIFF(buf + len, q)); /* Unicode PDC name */
- q = skip_unibuf(q, PTR_DIFF(buf + len, q)); /* Unicode domain name */
-
- /* Database info */
-
- db_count = SVAL(q, 0); q += 2;
-
- db_info = (struct sam_database_info *)
- malloc(sizeof(struct sam_database_info) * db_count);
-
- if (db_info == NULL) {
- DEBUG(3, ("out of memory allocating info for %d databases\n",
- db_count));
- return;
- }
-
- for (i = 0; i < db_count; i++) {
- db_info[i].index = IVAL(q, 0);
- db_info[i].serial_lo = IVAL(q, 4);
- db_info[i].serial_hi = IVAL(q, 8);
- db_info[i].date_lo = IVAL(q, 12);
- db_info[i].date_hi = IVAL(q, 16);
- q += 20;
- }
-
- /* Domain SID */
-
- q += IVAL(q, 0) + 4; /* 4 byte length plus data */
-
- q += 2; /* Alignment? */
-
- /* Misc other info */
-
- q += 4; /* NT version (0x1) */
- q += 2; /* LMNT token (0xff) */
- q += 2; /* LM20 token (0xff) */
-
- SAFE_FREE(db_info); /* Not sure whether we need to do anything
- useful with these */
-
- /* Send message to smbd */
-
- send_repl_message(low_serial);
-
- break;
- }
-
- default:
- {
- DEBUG(3,("process_logon_packet: Unknown domain request %d\n",code));
- return;
- }
- }
-}
generated by cgit (git 2.34.1) at 2024-12-18 04:11:39 +0000