source3/nmbd/nmbd_processlogon.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    NBT netbios routines and daemon - version 2
   4    Copyright (C) Andrew Tridgell 1994-1998
   5    Copyright (C) Luke Kenneth Casson Leighton 1994-1998
   6    Copyright (C) Jeremy Allison 1994-2003
   7    Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2002
   8
   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 3 of the License, or
  12    (at your option) any later version.
  13
  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.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21
  22    Revision History:
  23
  24 */
  25
  26 #include "includes.h"
  27
  28 struct sam_database_info {
  29         uint32 index;
  30         uint32 serial_lo, serial_hi;
  31         uint32 date_lo, date_hi;
  32 };
  33
  34 /****************************************************************************
  35 Process a domain logon packet
  36 **************************************************************************/
  37
  38 void process_logon_packet(struct packet_struct *p, char *buf,int len,
  39                           const char *mailslot)
  40 {
  41         struct dgram_packet *dgram = &p->packet.dgram;
  42         pstring my_name;
  43         fstring reply_name;
  44         pstring outbuf;
  45         int code;
  46         uint16 token = 0;
  47         uint32 ntversion = 0;
  48         uint16 lmnttoken = 0;
  49         uint16 lm20token = 0;
  50         uint32 domainsidsize;
  51         bool short_request = False;
  52         char *getdc;
  53         char *uniuser; /* Unicode user name. */
  54         pstring ascuser;
  55         char *unicomp; /* Unicode computer name. */
  56         size_t size;
  57         struct sockaddr_storage ss;
  58         const struct sockaddr_storage *pss;
  59         struct in_addr ip;
  60
  61         in_addr_to_sockaddr_storage(&ss, p->ip);
  62         pss = iface_ip(&ss);
  63         if (!pss) {
  64                 DEBUG(5,("process_logon_packet:can't find outgoing interface "
  65                         "for packet from IP %s\n",
  66                         inet_ntoa(p->ip) ));
  67                 return;
  68         }
  69         ip = ((struct sockaddr_in *)pss)->sin_addr;
  70
  71         memset(outbuf, 0, sizeof(outbuf));
  72
  73         if (!lp_domain_logons()) {
  74                 DEBUG(5,("process_logon_packet: Logon packet received from IP %s and domain \
  75 logons are not enabled.\n", inet_ntoa(p->ip) ));
  76                 return;
  77         }
  78
  79         pstrcpy(my_name, global_myname());
  80
  81         code = get_safe_SVAL(buf,len,buf,0,-1);
  82         DEBUG(4,("process_logon_packet: Logon from %s: code = 0x%x\n", inet_ntoa(p->ip), code));
  83
  84         switch (code) {
  85                 case 0:
  86                         {
  87                                 fstring mach_str, user_str, getdc_str;
  88                                 char *q = buf + 2;
  89                                 char *machine = q;
  90                                 char *user = skip_string(buf,len,machine);
  91
  92                                 if (!user || PTR_DIFF(user, buf) >= len) {
  93                                         DEBUG(0,("process_logon_packet: bad packet\n"));
  94                                         return;
  95                                 }
  96                                 getdc = skip_string(buf,len,user);
  97
  98                                 if (!getdc || PTR_DIFF(getdc, buf) >= len) {
  99                                         DEBUG(0,("process_logon_packet: bad packet\n"));
 100                                         return;
 101                                 }
 102                                 q = skip_string(buf,len,getdc);
 103
 104                                 if (!q || PTR_DIFF(q + 5, buf) > len) {
 105                                         DEBUG(0,("process_logon_packet: bad packet\n"));
 106                                         return;
 107                                 }
 108                                 token = SVAL(q,3);
 109
 110                                 fstrcpy(reply_name,my_name);
 111
 112                                 pull_ascii_fstring(mach_str, machine);
 113                                 pull_ascii_fstring(user_str, user);
 114                                 pull_ascii_fstring(getdc_str, getdc);
 115
 116                                 DEBUG(5,("process_logon_packet: Domain login request from %s at IP %s user=%s token=%x\n",
 117                                         mach_str,inet_ntoa(p->ip),user_str,token));
 118
 119                                 q = outbuf;
 120                                 SSVAL(q, 0, 6);
 121                                 q += 2;
 122
 123                                 fstrcpy(reply_name, "\\\\");
 124                                 fstrcat(reply_name, my_name);
 125                                 size = push_ascii(q,reply_name,
 126                                                 sizeof(outbuf)-PTR_DIFF(q, outbuf),
 127                                                 STR_TERMINATE);
 128                                 if (size == (size_t)-1) {
 129                                         return;
 130                                 }
 131                                 q = skip_string(outbuf,sizeof(outbuf),q); /* PDC name */
 132
 133                                 SSVAL(q, 0, token);
 134                                 q += 2;
 135
 136                                 dump_data(4, (uint8 *)outbuf, PTR_DIFF(q, outbuf));
 137
 138                                 send_mailslot(True, getdc_str,
 139                                                 outbuf,PTR_DIFF(q,outbuf),
 140                                                 global_myname(), 0x0,
 141                                                 mach_str,
 142                                                 dgram->source_name.name_type,
 143                                                 p->ip, ip, p->port);
 144                                 break;
 145                         }
 146
 147                 case QUERYFORPDC:
 148                         {
 149                                 fstring mach_str, getdc_str;
 150                                 fstring source_name;
 151                                 char *q = buf + 2;
 152                                 char *machine = q;
 153
 154                                 if (!lp_domain_master()) {
 155                                         /* We're not Primary Domain Controller -- ignore this */
 156                                         return;
 157                                 }
 158
 159                                 getdc = skip_string(buf,len,machine);
 160
 161                                 if (!getdc || PTR_DIFF(getdc, buf) >= len) {
 162                                         DEBUG(0,("process_logon_packet: bad packet\n"));
 163                                         return;
 164                                 }
 165                                 q = skip_string(buf,len,getdc);
 166
 167                                 if (!q || PTR_DIFF(q, buf) >= len) {
 168                                         DEBUG(0,("process_logon_packet: bad packet\n"));
 169                                         return;
 170                                 }
 171                                 q = ALIGN2(q, buf);
 172
 173                                 /* At this point we can work out if this is a W9X or NT style
 174                                    request. Experiments show that the difference is wether the
 175                                    packet ends here. For a W9X request we now end with a pair of
 176                                    bytes (usually 0xFE 0xFF) whereas with NT we have two further
 177                                    strings - the following is a simple way of detecting this */
 178
 179                                 if (len - PTR_DIFF(q, buf) <= 3) {
 180                                         short_request = True;
 181                                 } else {
 182                                         unicomp = q;
 183
 184                                         if (PTR_DIFF(q, buf) >= len) {
 185                                                 DEBUG(0,("process_logon_packet: bad packet\n"));
 186                                                 return;
 187                                         }
 188
 189                                         /* A full length (NT style) request */
 190                                         q = skip_unibuf(unicomp, PTR_DIFF(buf + len, unicomp));
 191
 192                                         if (PTR_DIFF(q, buf) >= len) {
 193                                                 DEBUG(0,("process_logon_packet: bad packet\n"));
 194                                                 return;
 195                                         }
 196
 197                                         if (len - PTR_DIFF(q, buf) > 8) {
 198                                                 /* with NT5 clients we can sometimes
 199                                                         get additional data - a length specificed string
 200                                                         containing the domain name, then 16 bytes of
 201                                                         data (no idea what it is) */
 202                                                 int dom_len = CVAL(q, 0);
 203                                                 q++;
 204                                                 if (dom_len != 0) {
 205                                                         q += dom_len + 1;
 206                                                 }
 207                                                 q += 16;
 208                                         }
 209
 210                                         if (PTR_DIFF(q + 8, buf) > len) {
 211                                                 DEBUG(0,("process_logon_packet: bad packet\n"));
 212                                                 return;
 213                                         }
 214
 215                                         ntversion = IVAL(q, 0);
 216                                         lmnttoken = SVAL(q, 4);
 217                                         lm20token = SVAL(q, 6);
 218                                 }
 219
 220                                 /* Construct reply. */
 221                                 q = outbuf;
 222                                 SSVAL(q, 0, QUERYFORPDC_R);
 223                                 q += 2;
 224
 225                                 fstrcpy(reply_name,my_name);
 226                                 size = push_ascii(q, reply_name,
 227                                                 sizeof(outbuf)-PTR_DIFF(q, outbuf),
 228                                                 STR_TERMINATE);
 229                                 if (size == (size_t)-1) {
 230                                         return;
 231                                 }
 232                                 q = skip_string(outbuf,sizeof(outbuf),q); /* PDC name */
 233
 234                                 /* PDC and domain name */
 235                                 if (!short_request) {
 236                                         /* Make a full reply */
 237                                         q = ALIGN2(q, outbuf);
 238
 239                                         q += dos_PutUniCode(q, my_name,
 240                                                 sizeof(pstring) - PTR_DIFF(q, outbuf),
 241                                                 True); /* PDC name */
 242                                         q += dos_PutUniCode(q, lp_workgroup(),
 243                                                 sizeof(pstring) - PTR_DIFF(q, outbuf),
 244                                                 True); /* Domain name*/
 245                                         if (sizeof(pstring) - PTR_DIFF(q, outbuf) < 8) {
 246                                                 return;
 247                                         }
 248                                         SIVAL(q, 0, 1); /* our nt version */
 249                                         SSVAL(q, 4, 0xffff); /* our lmnttoken */
 250                                         SSVAL(q, 6, 0xffff); /* our lm20token */
 251                                         q += 8;
 252                                 }
 253
 254                                 /* RJS, 21-Feb-2000, we send a short reply if the request was short */
 255
 256                                 pull_ascii_fstring(mach_str, machine);
 257
 258                                 DEBUG(5,("process_logon_packet: GETDC request from %s at IP %s, \
 259 reporting %s domain %s 0x%x ntversion=%x lm_nt token=%x lm_20 token=%x\n",
 260                                         mach_str,inet_ntoa(p->ip), reply_name, lp_workgroup(),
 261                                         QUERYFORPDC_R, (uint32)ntversion, (uint32)lmnttoken,
 262                                         (uint32)lm20token ));
 263
 264                                 dump_data(4, (uint8 *)outbuf, PTR_DIFF(q, outbuf));
 265
 266                                 pull_ascii_fstring(getdc_str, getdc);
 267                                 pull_ascii_nstring(source_name, sizeof(source_name), dgram->source_name.name);
 268
 269                                 send_mailslot(True, getdc_str,
 270                                         outbuf,PTR_DIFF(q,outbuf),
 271                                         global_myname(), 0x0,
 272                                         source_name,
 273                                         dgram->source_name.name_type,
 274                                         p->ip, ip, p->port);
 275                                 return;
 276                         }
 277
 278                 case SAMLOGON:
 279
 280                         {
 281                                 fstring getdc_str;
 282                                 fstring source_name;
 283                                 char *q = buf + 2;
 284                                 fstring asccomp;
 285
 286                                 q += 2;
 287
 288                                 if (PTR_DIFF(q, buf) >= len) {
 289                                         DEBUG(0,("process_logon_packet: bad packet\n"));
 290                                         return;
 291                                 }
 292
 293                                 unicomp = q;
 294                                 uniuser = skip_unibuf(unicomp, PTR_DIFF(buf+len, unicomp));
 295
 296                                 if (PTR_DIFF(uniuser, buf) >= len) {
 297                                         DEBUG(0,("process_logon_packet: bad packet\n"));
 298                                         return;
 299                                 }
 300
 301                                 getdc = skip_unibuf(uniuser,PTR_DIFF(buf+len, uniuser));
 302
 303                                 if (PTR_DIFF(getdc, buf) >= len) {
 304                                         DEBUG(0,("process_logon_packet: bad packet\n"));
 305                                         return;
 306                                 }
 307
 308                                 q = skip_string(buf,len,getdc);
 309
 310                                 if (!q || PTR_DIFF(q + 8, buf) >= len) {
 311                                         DEBUG(0,("process_logon_packet: bad packet\n"));
 312                                         return;
 313                                 }
 314
 315                                 q += 4; /* Account Control Bits - indicating username type */
 316                                 domainsidsize = IVAL(q, 0);
 317                                 q += 4;
 318
 319                                 DEBUG(5,("process_logon_packet: SAMLOGON sidsize %d, len = %d\n", domainsidsize, len));
 320
 321                                 if (domainsidsize < (len - PTR_DIFF(q, buf)) && (domainsidsize != 0)) {
 322                                         q += domainsidsize;
 323                                         q = ALIGN4(q, buf);
 324                                 }
 325
 326                                 DEBUG(5,("process_logon_packet: len = %d PTR_DIFF(q, buf) = %ld\n", len, (unsigned long)PTR_DIFF(q, buf) ));
 327
 328                                 if (len - PTR_DIFF(q, buf) > 8) {
 329                                         /* with NT5 clients we can sometimes
 330                                                 get additional data - a length specificed string
 331                                                 containing the domain name, then 16 bytes of
 332                                                 data (no idea what it is) */
 333                                         int dom_len = CVAL(q, 0);
 334                                         q++;
 335                                         if (dom_len < (len - PTR_DIFF(q, buf)) && (dom_len != 0)) {
 336                                                 q += dom_len + 1;
 337                                         }
 338                                         q += 16;
 339                                 }
 340
 341                                 if (PTR_DIFF(q + 8, buf) > len) {
 342                                         DEBUG(0,("process_logon_packet: bad packet\n"));
 343                                         return;
 344                                 }
 345
 346                                 ntversion = IVAL(q, 0);
 347                                 lmnttoken = SVAL(q, 4);
 348                                 lm20token = SVAL(q, 6);
 349                                 q += 8;
 350
 351                                 DEBUG(3,("process_logon_packet: SAMLOGON sidsize %d ntv %d\n", domainsidsize, ntversion));
 352
 353                                 /*
 354                                  * we respond regadless of whether the machine is in our password
 355                                  * database. If it isn't then we let smbd send an appropriate error.
 356                                  * Let's ignore the SID.
 357                                  */
 358                                 pull_ucs2_pstring(ascuser, uniuser);
 359                                 pull_ucs2_fstring(asccomp, unicomp);
 360                                 DEBUG(5,("process_logon_packet: SAMLOGON user %s\n", ascuser));
 361
 362                                 fstrcpy(reply_name, "\\\\"); /* Here it wants \\LOGONSERVER. */
 363                                 fstrcat(reply_name, my_name);
 364
 365                                 DEBUG(5,("process_logon_packet: SAMLOGON request from %s(%s) for %s, returning logon svr %s domain %s code %x token=%x\n",
 366                                         asccomp,inet_ntoa(p->ip), ascuser, reply_name, lp_workgroup(),
 367                                 SAMLOGON_R ,lmnttoken));
 368
 369                                 /* Construct reply. */
 370
 371                                 q = outbuf;
 372                                 /* we want the simple version unless we are an ADS PDC..which means  */
 373                                 /* never, at least for now */
 374                                 if ((ntversion < 11) || (SEC_ADS != lp_security()) || (ROLE_DOMAIN_PDC != lp_server_role())) {
 375                                         if (SVAL(uniuser, 0) == 0) {
 376                                                 SSVAL(q, 0, SAMLOGON_UNK_R);    /* user unknown */
 377                                         } else {
 378                                                 SSVAL(q, 0, SAMLOGON_R);
 379                                         }
 380
 381                                         q += 2;
 382
 383                                         q += dos_PutUniCode(q, reply_name,
 384                                                 sizeof(pstring) - PTR_DIFF(q, outbuf),
 385                                                 True);
 386                                         q += dos_PutUniCode(q, ascuser,
 387                                                 sizeof(pstring) - PTR_DIFF(q, outbuf),
 388                                                 True);
 389                                         q += dos_PutUniCode(q, lp_workgroup(),
 390                                                 sizeof(pstring) - PTR_DIFF(q, outbuf),
 391                                                 True);
 392                                 }
 393 #ifdef HAVE_ADS
 394                                 else {
 395                                         struct GUID domain_guid;
 396                                         UUID_FLAT flat_guid;
 397                                         pstring domain;
 398                                         pstring hostname;
 399                                         char *component, *dc, *q1;
 400                                         char *q_orig = q;
 401                                         int str_offset;
 402
 403                                         get_mydnsdomname(domain);
 404                                         get_myname(hostname);
 405
 406                                         if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 8) {
 407                                                 return;
 408                                         }
 409                                         if (SVAL(uniuser, 0) == 0) {
 410                                                 SIVAL(q, 0, SAMLOGON_AD_UNK_R); /* user unknown */
 411                                         } else {
 412                                                 SIVAL(q, 0, SAMLOGON_AD_R);
 413                                         }
 414                                         q += 4;
 415
 416                                         SIVAL(q, 0, ADS_PDC|ADS_GC|ADS_LDAP|ADS_DS|
 417                                                 ADS_KDC|ADS_TIMESERV|ADS_CLOSEST|ADS_WRITABLE);
 418                                         q += 4;
 419
 420                                         /* Push Domain GUID */
 421                                         if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < UUID_FLAT_SIZE) {
 422                                                 return;
 423                                         }
 424                                         if (False == secrets_fetch_domain_guid(domain, &domain_guid)) {
 425                                                 DEBUG(2, ("Could not fetch DomainGUID for %s\n", domain));
 426                                                 return;
 427                                         }
 428
 429                                         smb_uuid_pack(domain_guid, &flat_guid);
 430                                         memcpy(q, &flat_guid.info, UUID_FLAT_SIZE);
 431                                         q += UUID_FLAT_SIZE;
 432
 433                                         /* Forest */
 434                                         str_offset = q - q_orig;
 435                                         dc = domain;
 436                                         q1 = q;
 437                                         while ((component = strtok(dc, "."))) {
 438                                                 dc = NULL;
 439                                                 if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 1) {
 440                                                         return;
 441                                                 }
 442                                                 size = push_ascii(&q[1], component,
 443                                                         sizeof(outbuf) - PTR_DIFF(q+1, outbuf),
 444                                                         0);
 445                                                 if (size == (size_t)-1 || size > 0xff) {
 446                                                         return;
 447                                                 }
 448                                                 SCVAL(q, 0, size);
 449                                                 q += (size + 1);
 450                                         }
 451
 452                                         /* Unk0 */
 453                                         if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 4) {
 454                                                 return;
 455                                         }
 456                                         SCVAL(q, 0, 0);
 457                                         q++;
 458
 459                                         /* Domain */
 460                                         SCVAL(q, 0, 0xc0 | ((str_offset >> 8) & 0x3F));
 461                                         SCVAL(q, 1, str_offset & 0xFF);
 462                                         q += 2;
 463
 464                                         /* Hostname */
 465                                         size = push_ascii(&q[1], hostname,
 466                                                         sizeof(outbuf) - PTR_DIFF(q+1, outbuf),
 467                                                         0);
 468                                         if (size == (size_t)-1 || size > 0xff) {
 469                                                 return;
 470                                         }
 471                                         SCVAL(q, 0, size);
 472                                         q += (size + 1);
 473
 474                                         if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 3) {
 475                                                 return;
 476                                         }
 477
 478                                         SCVAL(q, 0, 0xc0 | ((str_offset >> 8) & 0x3F));
 479                                         SCVAL(q, 1, str_offset & 0xFF);
 480                                         q += 2;
 481
 482                                         /* NETBIOS of domain */
 483                                         size = push_ascii(&q[1], lp_workgroup(),
 484                                                         sizeof(outbuf) - PTR_DIFF(q+1, outbuf),
 485                                                         STR_UPPER);
 486                                         if (size == (size_t)-1 || size > 0xff) {
 487                                                 return;
 488                                         }
 489                                         SCVAL(q, 0, size);
 490                                         q += (size + 1);
 491
 492                                         /* Unk1 */
 493                                         if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 2) {
 494                                                 return;
 495                                         }
 496
 497                                         SCVAL(q, 0, 0);
 498                                         q++;
 499
 500                                         /* NETBIOS of hostname */
 501                                         size = push_ascii(&q[1], my_name,
 502                                                         sizeof(outbuf) - PTR_DIFF(q+1, outbuf),
 503                                                         0);
 504                                         if (size == (size_t)-1 || size > 0xff) {
 505                                                 return;
 506                                         }
 507                                         SCVAL(q, 0, size);
 508                                         q += (size + 1);
 509
 510                                         /* Unk2 */
 511                                         if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 4) {
 512                                                 return;
 513                                         }
 514
 515                                         SCVAL(q, 0, 0);
 516                                         q++;
 517
 518                                         /* User name */
 519                                         if (SVAL(uniuser, 0) != 0) {
 520                                                 size = push_ascii(&q[1], ascuser,
 521                                                         sizeof(outbuf) - PTR_DIFF(q+1, outbuf),
 522                                                         0);
 523                                                 if (size == (size_t)-1 || size > 0xff) {
 524                                                         return;
 525                                                 }
 526                                                 SCVAL(q, 0, size);
 527                                                 q += (size + 1);
 528                                         }
 529
 530                                         q_orig = q;
 531                                         /* Site name */
 532                                         if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 1) {
 533                                                 return;
 534                                         }
 535                                         size = push_ascii(&q[1], "Default-First-Site-Name",
 536                                                         sizeof(outbuf) - PTR_DIFF(q+1, outbuf),
 537                                                         0);
 538                                         if (size == (size_t)-1 || size > 0xff) {
 539                                                 return;
 540                                         }
 541                                         SCVAL(q, 0, size);
 542                                         q += (size + 1);
 543
 544                                         if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 18) {
 545                                                 return;
 546                                         }
 547
 548                                         /* Site name (2) */
 549                                         str_offset = q - q_orig;
 550                                         SCVAL(q, 0, 0xc0 | ((str_offset >> 8) & 0x3F));
 551                                         SCVAL(q, 1, str_offset & 0xFF);
 552                                         q += 2;
 553
 554                                         SCVAL(q, 0, PTR_DIFF(q,q1));
 555                                         SCVAL(q, 1, 0x10); /* unknown */
 556
 557                                         SIVAL(q, 0, 0x00000002);
 558                                         q += 4; /* unknown */
 559                                         SIVAL(q, 0, ntohl(ip.s_addr));
 560                                         q += 4;
 561                                         SIVAL(q, 0, 0x00000000);
 562                                         q += 4; /* unknown */
 563                                         SIVAL(q, 0, 0x00000000);
 564                                         q += 4; /* unknown */
 565                                 }
 566 #endif
 567
 568                                 if (sizeof(outbuf) - PTR_DIFF(q, outbuf) < 8) {
 569                                         return;
 570                                 }
 571
 572                                 /* tell the client what version we are */
 573                                 SIVAL(q, 0, ((ntversion < 11) || (SEC_ADS != lp_security())) ? 1 : 13);
 574                                 /* our ntversion */
 575                                 SSVAL(q, 4, 0xffff); /* our lmnttoken */
 576                                 SSVAL(q, 6, 0xffff); /* our lm20token */
 577                                 q += 8;
 578
 579                                 dump_data(4, (uint8 *)outbuf, PTR_DIFF(q, outbuf));
 580
 581                                 pull_ascii_fstring(getdc_str, getdc);
 582                                 pull_ascii_nstring(source_name, sizeof(source_name), dgram->source_name.name);
 583
 584                                 send_mailslot(True, getdc,
 585                                         outbuf,PTR_DIFF(q,outbuf),
 586                                         global_myname(), 0x0,
 587                                         source_name,
 588                                         dgram->source_name.name_type,
 589                                         p->ip, ip, p->port);
 590                                 break;
 591                         }
 592
 593                 /* Announce change to UAS or SAM.  Send by the domain controller when a
 594                 replication event is required. */
 595
 596                 case SAM_UAS_CHANGE:
 597                         DEBUG(5, ("Got SAM_UAS_CHANGE\n"));
 598                         break;
 599
 600                 default:
 601                         DEBUG(3,("process_logon_packet: Unknown domain request %d\n",code));
 602                         return;
 603         }
 604 }