source3/lsarpcd/srv_lsa.c

   1
   2 /*
   3  *  Unix SMB/Netbios implementation.
   4  *  Version 1.9.
   5  *  RPC Pipe client / server routines
   6  *  Copyright (C) Andrew Tridgell              1992-1997,
   7  *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
   8  *  Copyright (C) Paul Ashton                       1997.
   9  *  Copyright (C) Jeremy Allison                    1998.
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 2 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with this program; if not, write to the Free Software
  23  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  24  */
  25
  26
  27 #include "includes.h"
  28 #include "nterr.h"
  29
  30 extern int DEBUGLEVEL;
  31 extern DOM_SID global_machine_sid;
  32
  33 /***************************************************************************
  34 lsa_reply_open_policy
  35  ***************************************************************************/
  36 static void lsa_reply_open_policy(prs_struct *rdata)
  37 {
  38         int i;
  39         LSA_R_OPEN_POL r_o;
  40
  41         ZERO_STRUCT(r_o);
  42
  43         /* set up the LSA QUERY INFO response */
  44
  45         for (i = 4; i < POL_HND_SIZE; i++)
  46         {
  47                 r_o.pol.data[i] = i;
  48         }
  49         r_o.status = 0x0;
  50
  51         /* store the response in the SMB stream */
  52         lsa_io_r_open_pol("", &r_o, rdata, 0);
  53 }
  54
  55 /***************************************************************************
  56 make_dom_query
  57  ***************************************************************************/
  58 static void make_dom_query(DOM_QUERY *d_q, char *dom_name, DOM_SID *dom_sid)
  59 {
  60         int domlen = strlen(dom_name);
  61
  62         d_q->uni_dom_max_len = domlen * 2;
  63         d_q->uni_dom_str_len = domlen * 2;
  64
  65         d_q->buffer_dom_name = 4; /* domain buffer pointer */
  66         d_q->buffer_dom_sid  = 2; /* domain sid pointer */
  67
  68         /* this string is supposed to be character short */
  69         make_unistr2(&(d_q->uni_domain_name), dom_name, domlen);
  70
  71         make_dom_sid2(&(d_q->dom_sid), dom_sid);
  72 }
  73
  74 /***************************************************************************
  75 lsa_reply_query_info
  76  ***************************************************************************/
  77 static void lsa_reply_enum_trust_dom(LSA_Q_ENUM_TRUST_DOM *q_e,
  78                                 prs_struct *rdata,
  79                                 uint32 enum_context, char *dom_name, DOM_SID *dom_sid)
  80 {
  81         LSA_R_ENUM_TRUST_DOM r_e;
  82
  83         ZERO_STRUCT(r_e);
  84
  85         /* set up the LSA QUERY INFO response */
  86         make_r_enum_trust_dom(&r_e, enum_context, dom_name, dom_sid,
  87               dom_name != NULL ? 0x0 : 0x80000000 | NT_STATUS_UNABLE_TO_FREE_VM);
  88
  89         /* store the response in the SMB stream */
  90         lsa_io_r_enum_trust_dom("", &r_e, rdata, 0);
  91 }
  92
  93 /***************************************************************************
  94 lsa_reply_query_info
  95  ***************************************************************************/
  96 static void lsa_reply_query_info(LSA_Q_QUERY_INFO *q_q, prs_struct *rdata,
  97                                 char *dom_name, DOM_SID *dom_sid)
  98 {
  99         LSA_R_QUERY_INFO r_q;
 100
 101         ZERO_STRUCT(r_q);
 102
 103         /* set up the LSA QUERY INFO response */
 104
 105         r_q.undoc_buffer = 0x22000000; /* bizarre */
 106         r_q.info_class = q_q->info_class;
 107
 108         make_dom_query(&r_q.dom.id5, dom_name, dom_sid);
 109
 110         r_q.status = 0x0;
 111
 112         /* store the response in the SMB stream */
 113         lsa_io_r_query("", &r_q, rdata, 0);
 114 }
 115
 116 /***************************************************************************
 117 make_dom_ref
 118
 119  pretty much hard-coded choice of "other" sids, unfortunately...
 120
 121  ***************************************************************************/
 122 static void make_dom_ref(DOM_R_REF *ref, char *dom_name, DOM_SID *dom_sid,
 123                          DOM_SID *other_sid1, DOM_SID *other_sid2, DOM_SID *other_sid3)
 124 {
 125         int len_dom_name   = strlen(dom_name);
 126
 127         ref->undoc_buffer = 1;
 128         ref->num_ref_doms_1 = 4;
 129         ref->buffer_dom_name = 1;
 130         ref->max_entries = 32;
 131         ref->num_ref_doms_2 = 4;
 132
 133         make_uni_hdr2(&(ref->hdr_dom_name  ), len_dom_name  , len_dom_name  , 0);
 134         make_uni_hdr2(&(ref->hdr_ref_dom[0]), sizeof(DOM_SID), sizeof(DOM_SID), 0);
 135         make_uni_hdr2(&(ref->hdr_ref_dom[1]), sizeof(DOM_SID), sizeof(DOM_SID), 0);
 136         make_uni_hdr2(&(ref->hdr_ref_dom[2]), sizeof(DOM_SID), sizeof(DOM_SID), 0);
 137
 138         if (dom_name != NULL)
 139         {
 140                 make_unistr(&(ref->uni_dom_name), dom_name);
 141         }
 142
 143         make_dom_sid2(&(ref->ref_dom[0]), dom_sid   );
 144         make_dom_sid2(&(ref->ref_dom[1]), other_sid1);
 145         make_dom_sid2(&(ref->ref_dom[2]), other_sid2);
 146         make_dom_sid2(&(ref->ref_dom[3]), other_sid3);
 147 }
 148
 149 /***************************************************************************
 150 make_reply_lookup_rids
 151  ***************************************************************************/
 152 static void make_reply_lookup_rids(LSA_R_LOOKUP_RIDS *r_l,
 153                                 int num_entries, uint32 dom_rids[MAX_LOOKUP_SIDS],
 154                                 char *dom_name, DOM_SID *dom_sid,
 155                                 DOM_SID *other_sid1, DOM_SID *other_sid2, DOM_SID *other_sid3)
 156 {
 157         int i;
 158
 159         make_dom_ref(&(r_l->dom_ref), dom_name, dom_sid,
 160                      other_sid1, other_sid2, other_sid3);
 161
 162         r_l->num_entries = num_entries;
 163         r_l->undoc_buffer = 1;
 164         r_l->num_entries2 = num_entries;
 165
 166         SMB_ASSERT_ARRAY(r_l->dom_rid, num_entries);
 167
 168         for (i = 0; i < num_entries; i++)
 169         {
 170                 make_dom_rid2(&(r_l->dom_rid[i]), dom_rids[i]);
 171         }
 172
 173         r_l->num_entries3 = num_entries;
 174 }
 175
 176 /***************************************************************************
 177 make_lsa_trans_names
 178  ***************************************************************************/
 179 static void make_lsa_trans_names(LSA_TRANS_NAME_ENUM *trn,
 180                                 int num_entries, DOM_SID2 sid[MAX_LOOKUP_SIDS],
 181                                 uint32 *total)
 182 {
 183         uint32 status = 0x0;
 184         int i;
 185         (*total) = 0;
 186
 187         SMB_ASSERT(num_entries <= MAX_LOOKUP_SIDS);
 188
 189         for (i = 0; i < num_entries; i++)
 190         {
 191                 uint32 rid = 0xffffffff;
 192                 uint8 num_auths = sid[i].sid.num_auths;
 193                 fstring name;
 194                 uint32 type;
 195
 196                 trn->ptr_name[i] = 0;
 197                 trn->ptr_name[(*total)] = 0;
 198
 199                 SMB_ASSERT_ARRAY(sid[i].sid.sub_auths, num_auths);
 200
 201                 /* find the rid to look up */
 202                 if (num_auths != 0)
 203                 {
 204                         rid = sid[i].sid.sub_auths[num_auths-1];
 205
 206                         status = 0xC0000000 | NT_STATUS_NONE_MAPPED;
 207
 208                         status = (status != 0x0) ? lookup_user_name (rid, name, &type) : status;
 209                         status = (status != 0x0) ? lookup_group_name(rid, name, &type) : status;
 210                         status = (status != 0x0) ? lookup_alias_name(rid, name, &type) : status;
 211                 }
 212
 213                 if (status == 0x0)
 214                 {
 215                         trn->ptr_name[i] = 1;
 216                         make_lsa_trans_name(&(trn->name[(*total)]), type, name, (*total));
 217                         (*total)++;
 218                 }
 219         }
 220
 221         trn->num_entries = (*total);
 222         trn->ptr_trans_names = 1;
 223         trn->num_entries2 = (*total);
 224 }
 225
 226 /***************************************************************************
 227 make_reply_lookup_sids
 228  ***************************************************************************/
 229 static void make_reply_lookup_sids(LSA_R_LOOKUP_SIDS *r_l,
 230                                 DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *names,
 231                                 uint32 mapped_count, uint32 status)
 232 {
 233         r_l->dom_ref      = ref;
 234         r_l->names        = names;
 235         r_l->mapped_count = mapped_count;
 236         r_l->status       = status;
 237 }
 238
 239 /***************************************************************************
 240 lsa_reply_lookup_sids
 241  ***************************************************************************/
 242 static void lsa_reply_lookup_sids(prs_struct *rdata,
 243                                 int num_entries, DOM_SID2 sid[MAX_LOOKUP_SIDS],
 244                                 char *dom_name, DOM_SID *dom_sid,
 245                                 DOM_SID *other_sid1, DOM_SID *other_sid2, DOM_SID *other_sid3)
 246 {
 247         LSA_R_LOOKUP_SIDS r_l;
 248         DOM_R_REF ref;
 249         LSA_TRANS_NAME_ENUM names;
 250         uint32 mapped_count = 0;
 251
 252         ZERO_STRUCT(r_l);
 253         ZERO_STRUCT(ref);
 254         ZERO_STRUCT(names);
 255
 256         /* set up the LSA Lookup SIDs response */
 257         make_dom_ref(&ref, dom_name, dom_sid, other_sid1, other_sid2, other_sid3);
 258         make_lsa_trans_names(&names, num_entries, sid, &mapped_count);
 259         make_reply_lookup_sids(&r_l, &ref, &names, mapped_count, 0x0);
 260
 261         /* store the response in the SMB stream */
 262         lsa_io_r_lookup_sids("", &r_l, rdata, 0);
 263 }
 264
 265 /***************************************************************************
 266 lsa_reply_lookup_rids
 267  ***************************************************************************/
 268 static void lsa_reply_lookup_rids(prs_struct *rdata,
 269                                 int num_entries, uint32 dom_rids[MAX_LOOKUP_SIDS],
 270                                 char *dom_name, DOM_SID *dom_sid,
 271                                 DOM_SID *other_sid1, DOM_SID *other_sid2, DOM_SID *other_sid3)
 272 {
 273         LSA_R_LOOKUP_RIDS r_l;
 274
 275         ZERO_STRUCT(r_l);
 276
 277         /* set up the LSA Lookup RIDs response */
 278         make_reply_lookup_rids(&r_l, num_entries, dom_rids,
 279                                 dom_name, dom_sid, other_sid1, other_sid2, other_sid3);
 280         r_l.status = 0x0;
 281
 282         /* store the response in the SMB stream */
 283         lsa_io_r_lookup_rids("", &r_l, rdata, 0);
 284 }
 285
 286 /***************************************************************************
 287 api_lsa_open_policy
 288  ***************************************************************************/
 289 static void api_lsa_open_policy( uint16 vuid, prs_struct *data,
 290                              prs_struct *rdata )
 291 {
 292         LSA_Q_OPEN_POL q_o;
 293
 294         ZERO_STRUCT(q_o);
 295
 296         /* grab the server, object attributes and desired access flag...*/
 297         lsa_io_q_open_pol("", &q_o, data, 0);
 298
 299         /* lkclXXXX having decoded it, ignore all fields in the open policy! */
 300
 301         /* return a 20 byte policy handle */
 302         lsa_reply_open_policy(rdata);
 303 }
 304
 305 /***************************************************************************
 306 api_lsa_enum_trust_dom
 307  ***************************************************************************/
 308 static void api_lsa_enum_trust_dom( uint16 vuid, prs_struct *data,
 309                                     prs_struct *rdata )
 310 {
 311         LSA_Q_ENUM_TRUST_DOM q_e;
 312
 313         ZERO_STRUCT(q_e);
 314
 315         /* grab the enum trust domain context etc. */
 316         lsa_io_q_enum_trust_dom("", &q_e, data, 0);
 317
 318         /* construct reply.  return status is always 0x0 */
 319         lsa_reply_enum_trust_dom(&q_e, rdata, 0, NULL, NULL);
 320 }
 321
 322 /***************************************************************************
 323 api_lsa_query_info
 324  ***************************************************************************/
 325 static void api_lsa_query_info( uint16 vuid, prs_struct *data,
 326                                 prs_struct *rdata )
 327 {
 328         LSA_Q_QUERY_INFO q_i;
 329         pstring dom_name;
 330
 331         ZERO_STRUCT(q_i);
 332
 333         /* grab the info class and policy handle */
 334         lsa_io_q_query("", &q_i, data, 0);
 335
 336         pstrcpy(dom_name, lp_workgroup());
 337
 338         /* construct reply.  return status is always 0x0 */
 339         lsa_reply_query_info(&q_i, rdata, dom_name, &global_machine_sid);
 340 }
 341
 342 /***************************************************************************
 343 api_lsa_lookup_sids
 344  ***************************************************************************/
 345 static void api_lsa_lookup_sids( uint16 vuid, prs_struct *data,
 346                                  prs_struct *rdata )
 347 {
 348         LSA_Q_LOOKUP_SIDS q_l;
 349         pstring dom_name;
 350         DOM_SID sid_S_1_1;
 351         DOM_SID sid_S_1_3;
 352         DOM_SID sid_S_1_5;
 353
 354         ZERO_STRUCT(q_l);
 355         ZERO_STRUCT(sid_S_1_1);
 356         ZERO_STRUCT(sid_S_1_3);
 357         ZERO_STRUCT(sid_S_1_5);
 358
 359         /* grab the info class and policy handle */
 360         lsa_io_q_lookup_sids("", &q_l, data, 0);
 361
 362         pstrcpy(dom_name, lp_workgroup());
 363
 364         string_to_sid(&sid_S_1_1, "S-1-1");
 365     string_to_sid(&sid_S_1_3, "S-1-3");
 366     string_to_sid(&sid_S_1_5, "S-1-5");
 367
 368         /* construct reply.  return status is always 0x0 */
 369     lsa_reply_lookup_sids(rdata,
 370                           q_l.sids.num_entries, q_l.sids.sid, /* SIDs */
 371                           dom_name, &global_machine_sid, /* domain name, domain SID */
 372                           &sid_S_1_1, &sid_S_1_3, &sid_S_1_5); /* the three other SIDs */
 373 }
 374
 375 /***************************************************************************
 376 api_lsa_lookup_names
 377  ***************************************************************************/
 378 static void api_lsa_lookup_names( uint16 vuid, prs_struct *data,
 379                                   prs_struct *rdata )
 380 {
 381         int i;
 382         LSA_Q_LOOKUP_RIDS q_l;
 383         pstring dom_name;
 384         DOM_SID sid_S_1_1;
 385         DOM_SID sid_S_1_3;
 386         DOM_SID sid_S_1_5;
 387         uint32 dom_rids[MAX_LOOKUP_SIDS];
 388         uint32 dummy_g_rid;
 389
 390         ZERO_STRUCT(q_l);
 391         ZERO_STRUCT(sid_S_1_1);
 392         ZERO_STRUCT(sid_S_1_3);
 393         ZERO_STRUCT(sid_S_1_5);
 394         ZERO_ARRAY(dom_rids);
 395
 396         /* grab the info class and policy handle */
 397         lsa_io_q_lookup_rids("", &q_l, data, 0);
 398
 399         pstrcpy(dom_name, lp_workgroup());
 400
 401         string_to_sid(&sid_S_1_1, "S-1-1");
 402     string_to_sid(&sid_S_1_3, "S-1-3");
 403     string_to_sid(&sid_S_1_5, "S-1-5");
 404
 405         SMB_ASSERT_ARRAY(q_l.lookup_name, q_l.num_entries);
 406
 407         /* convert received RIDs to strings, so we can do them. */
 408         for (i = 0; i < q_l.num_entries; i++)
 409         {
 410         fstring user_name;
 411                 fstrcpy(user_name, unistr2(q_l.lookup_name[i].str.buffer));
 412         /*
 413          * Map to the UNIX username.
 414          */
 415         map_username(user_name);
 416
 417         /*
 418          * Do any case conversions.
 419          */
 420         (void)Get_Pwnam(user_name, True);
 421
 422                 if (!pdb_name_to_rid(user_name, &dom_rids[i], &dummy_g_rid))
 423                 {
 424                         /* WHOOPS!  we should really do something about this... */
 425                         dom_rids[i] = 0;
 426                 }
 427         }
 428
 429         /* construct reply.  return status is always 0x0 */
 430         lsa_reply_lookup_rids(rdata,
 431                               q_l.num_entries, dom_rids, /* text-converted SIDs */
 432                               dom_name, &global_machine_sid, /* domain name, domain SID */
 433                               &sid_S_1_1, &sid_S_1_3, &sid_S_1_5); /* the three other SIDs */
 434 }
 435
 436 /***************************************************************************
 437  api_lsa_close
 438  ***************************************************************************/
 439 static void api_lsa_close( uint16 vuid, prs_struct *data,
 440                                   prs_struct *rdata)
 441 {
 442         /* XXXX this is NOT good */
 443         char *q = mem_data(&(rdata->data), rdata->offset);
 444
 445         SIVAL(q, 0, 0);
 446     q += 4;
 447         SIVAL(q, 0, 0);
 448     q += 4;
 449         SIVAL(q, 0, 0);
 450     q += 4;
 451         SIVAL(q, 0, 0);
 452     q += 4;
 453         SIVAL(q, 0, 0);
 454     q += 4;
 455         SIVAL(q, 0, 0);
 456     q += 4;
 457
 458         rdata->offset += 24;
 459 }
 460
 461 /***************************************************************************
 462  api_lsa_open_secret
 463  ***************************************************************************/
 464 static void api_lsa_open_secret( uint16 vuid, prs_struct *data,
 465                                   prs_struct *rdata)
 466 {
 467         /* XXXX this is NOT good */
 468         char *q = mem_data(&(rdata->data), rdata->offset);
 469
 470         SIVAL(q, 0, 0);
 471     q += 4;
 472         SIVAL(q, 0, 0);
 473     q += 4;
 474         SIVAL(q, 0, 0);
 475     q += 4;
 476         SIVAL(q, 0, 0);
 477     q += 4;
 478         SIVAL(q, 0, 0);
 479     q += 4;
 480         SIVAL(q, 0, 0xC0000000 | NT_STATUS_OBJECT_NAME_NOT_FOUND);
 481     q += 4;
 482
 483         rdata->offset += 24;
 484 }
 485
 486 /***************************************************************************
 487  \PIPE\ntlsa commands
 488  ***************************************************************************/
 489 static struct api_struct api_lsa_cmds[] =
 490 {
 491         { "LSA_OPENPOLICY"      , LSA_OPENPOLICY      , api_lsa_open_policy    },
 492         { "LSA_QUERYINFOPOLICY" , LSA_QUERYINFOPOLICY , api_lsa_query_info     },
 493         { "LSA_ENUMTRUSTDOM"    , LSA_ENUMTRUSTDOM    , api_lsa_enum_trust_dom },
 494         { "LSA_CLOSE"           , LSA_CLOSE           , api_lsa_close          },
 495         { "LSA_OPENSECRET"      , LSA_OPENSECRET      , api_lsa_open_secret    },
 496         { "LSA_LOOKUPSIDS"      , LSA_LOOKUPSIDS      , api_lsa_lookup_sids    },
 497         { "LSA_LOOKUPNAMES"     , LSA_LOOKUPNAMES     , api_lsa_lookup_names   },
 498         { NULL                  , 0                   , NULL                   }
 499 };
 500
 501 /***************************************************************************
 502  api_ntLsarpcTNP
 503  ***************************************************************************/
 504 BOOL api_ntlsa_rpc(pipes_struct *p, prs_struct *data)
 505 {
 506         return api_rpcTNP(p, "api_ntlsa_rpc", api_lsa_cmds, data);
 507 }