source4/libnet/libnet_group.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Rafal Szczesniak  2007
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20
  21 #include "includes.h"
  22 #include "libnet/libnet.h"
  23 #include "libcli/composite/composite.h"
  24 #include "librpc/gen_ndr/lsa.h"
  25 #include "librpc/gen_ndr/ndr_lsa_c.h"
  26 #include "librpc/gen_ndr/samr.h"
  27 #include "librpc/gen_ndr/ndr_samr_c.h"
  28 #include "libcli/security/security.h"
  29
  30
  31 struct create_group_state {
  32         struct libnet_context *ctx;
  33         struct libnet_CreateGroup r;
  34         struct libnet_DomainOpen domain_open;
  35         struct libnet_rpc_groupadd group_add;
  36
  37         /* information about the progress */
  38         void (*monitor_fn)(struct monitor_msg *);
  39 };
  40
  41
  42 static void continue_domain_opened(struct composite_context *ctx);
  43 static void continue_rpc_group_added(struct composite_context *ctx);
  44
  45
  46 struct composite_context* libnet_CreateGroup_send(struct libnet_context *ctx,
  47                                                   TALLOC_CTX *mem_ctx,
  48                                                   struct libnet_CreateGroup *r,
  49                                                   void (*monitor)(struct monitor_msg*))
  50 {
  51         struct composite_context *c;
  52         struct create_group_state *s;
  53         struct composite_context *create_req;
  54         bool prereq_met = false;
  55
  56         /* composite context allocation and setup */
  57         c = composite_create(mem_ctx, ctx->event_ctx);
  58         if (c == NULL) return NULL;
  59
  60         s = talloc_zero(c, struct create_group_state);
  61         if (composite_nomem(s, c)) return c;
  62
  63         c->private_data = s;
  64
  65         s->ctx = ctx;
  66         s->r   = *r;
  67         ZERO_STRUCT(s->r.out);
  68
  69         /* prerequisite: make sure we have a valid samr domain handle */
  70         prereq_met = samr_domain_opened(ctx, s->r.in.domain_name, &c, &s->domain_open,
  71                                         continue_domain_opened, monitor);
  72         if (!prereq_met) return c;
  73
  74         /* prepare arguments of rpc group add call */
  75         s->group_add.in.groupname     = r->in.group_name;
  76         s->group_add.in.domain_handle = ctx->samr.handle;
  77
  78         /* send the request */
  79         create_req = libnet_rpc_groupadd_send(ctx->samr.pipe, &s->group_add, monitor);
  80         if (composite_nomem(create_req, c)) return c;
  81
  82         composite_continue(c, create_req, continue_rpc_group_added, c);
  83         return c;
  84 }
  85
  86
  87 static void continue_domain_opened(struct composite_context *ctx)
  88 {
  89         struct composite_context *c;
  90         struct create_group_state *s;
  91         struct composite_context *create_req;
  92
  93         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
  94         s = talloc_get_type_abort(c->private_data, struct create_group_state);
  95
  96         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
  97         if (!composite_is_ok(c)) return;
  98
  99         /* prepare arguments of groupadd call */
 100         s->group_add.in.groupname     = s->r.in.group_name;
 101         s->group_add.in.domain_handle = s->ctx->samr.handle;
 102
 103         /* send the request */
 104         create_req = libnet_rpc_groupadd_send(s->ctx->samr.pipe, &s->group_add,
 105                                               s->monitor_fn);
 106         if (composite_nomem(create_req, c)) return;
 107
 108         composite_continue(c, create_req, continue_rpc_group_added, c);
 109 }
 110
 111
 112 static void continue_rpc_group_added(struct composite_context *ctx)
 113 {
 114         struct composite_context *c;
 115         struct create_group_state *s;
 116
 117         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
 118         s = talloc_get_type_abort(c->private_data, struct create_group_state);
 119
 120         /* receive result of group add call */
 121         c->status = libnet_rpc_groupadd_recv(ctx, c, &s->group_add);
 122         if (!composite_is_ok(c)) return;
 123
 124         /* we're done */
 125         composite_done(c);
 126 }
 127
 128
 129 /**
 130  * Receive result of CreateGroup call
 131  *
 132  * @param c composite context returned by send request routine
 133  * @param mem_ctx memory context of this call
 134  * @param r pointer to a structure containing arguments and result of this call
 135  * @return nt status
 136  */
 137 NTSTATUS libnet_CreateGroup_recv(struct composite_context *c,
 138                                  TALLOC_CTX *mem_ctx,
 139                                  struct libnet_CreateGroup *r)
 140 {
 141         NTSTATUS status;
 142
 143         status = composite_wait(c);
 144         if (!NT_STATUS_IS_OK(status)) {
 145                 r->out.error_string = talloc_strdup(mem_ctx, nt_errstr(status));
 146         }
 147
 148         talloc_free(c);
 149         return status;
 150 }
 151
 152
 153 /**
 154  * Create domain group
 155  *
 156  * @param ctx initialised libnet context
 157  * @param mem_ctx memory context of this call
 158  * @param io pointer to structure containing arguments and result of this call
 159  * @return nt status
 160  */
 161 NTSTATUS libnet_CreateGroup(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
 162                             struct libnet_CreateGroup *io)
 163 {
 164         struct composite_context *c;
 165
 166         c = libnet_CreateGroup_send(ctx, mem_ctx, io, NULL);
 167         return libnet_CreateGroup_recv(c, mem_ctx, io);
 168 }
 169
 170
 171 struct group_info_state {
 172         struct libnet_context *ctx;
 173         const char *domain_name;
 174         enum libnet_GroupInfo_level level;
 175         const char *group_name;
 176         const char *sid_string;
 177         struct libnet_LookupName lookup;
 178         struct libnet_DomainOpen domopen;
 179         struct libnet_rpc_groupinfo info;
 180
 181         /* information about the progress */
 182         void (*monitor_fn)(struct monitor_msg *);
 183 };
 184
 185
 186 static void continue_domain_open_info(struct composite_context *ctx);
 187 static void continue_name_found(struct composite_context *ctx);
 188 static void continue_group_info(struct composite_context *ctx);
 189
 190 /**
 191  * Sends request to get group information
 192  *
 193  * @param ctx initialised libnet context
 194  * @param mem_ctx memory context of this call
 195  * @param io pointer to structure containing arguments the call
 196  * @param monitor function pointer for receiving monitor messages
 197  * @return composite context of this request
 198  */
 199 struct composite_context* libnet_GroupInfo_send(struct libnet_context *ctx,
 200                                                 TALLOC_CTX *mem_ctx,
 201                                                 struct libnet_GroupInfo *io,
 202                                                 void (*monitor)(struct monitor_msg*))
 203 {
 204         struct composite_context *c;
 205         struct group_info_state *s;
 206         bool prereq_met = false;
 207         struct composite_context *lookup_req, *info_req;
 208
 209         /* composite context allocation and setup */
 210         c = composite_create(mem_ctx, ctx->event_ctx);
 211         if (c == NULL) return NULL;
 212
 213         s = talloc_zero(c, struct group_info_state);
 214         if (composite_nomem(s, c)) return c;
 215
 216         c->private_data = s;
 217
 218         /* store arguments in the state structure */
 219         s->monitor_fn = monitor;
 220         s->ctx = ctx;
 221         s->domain_name = talloc_strdup(c, io->in.domain_name);
 222         s->level = io->in.level;
 223         switch(s->level) {
 224         case GROUP_INFO_BY_NAME:
 225                 s->group_name = talloc_strdup(c, io->in.data.group_name);
 226                 s->sid_string = NULL;
 227                 break;
 228         case GROUP_INFO_BY_SID:
 229                 s->group_name = NULL;
 230                 s->sid_string = dom_sid_string(c, io->in.data.group_sid);
 231                 break;
 232         }
 233
 234         /* prerequisite: make sure the domain is opened */
 235         prereq_met = samr_domain_opened(ctx, s->domain_name, &c, &s->domopen,
 236                                         continue_domain_open_info, monitor);
 237         if (!prereq_met) return c;
 238
 239         switch(s->level) {
 240         case GROUP_INFO_BY_NAME:
 241                 /* prepare arguments for LookupName call */
 242                 s->lookup.in.name        = s->group_name;
 243                 s->lookup.in.domain_name = s->domain_name;
 244
 245                 /* send the request */
 246                 lookup_req = libnet_LookupName_send(s->ctx, c, &s->lookup, s->monitor_fn);
 247                 if (composite_nomem(lookup_req, c)) return c;
 248
 249                 /* set the next stage */
 250                 composite_continue(c, lookup_req, continue_name_found, c);
 251                 break;
 252         case GROUP_INFO_BY_SID:
 253                 /* prepare arguments for groupinfo call */
 254                 s->info.in.domain_handle = s->ctx->samr.handle;
 255                 s->info.in.sid           = s->sid_string;
 256                 /* we're looking for all information available */
 257                 s->info.in.level         = GROUPINFOALL;
 258
 259                 /* send the request */
 260                 info_req = libnet_rpc_groupinfo_send(s->ctx->samr.pipe, &s->info, s->monitor_fn);
 261                 if (composite_nomem(info_req, c)) return c;
 262
 263                 /* set the next stage */
 264                 composite_continue(c, info_req, continue_group_info, c);
 265                 break;
 266         }
 267
 268         return c;
 269 }
 270
 271
 272 /*
 273  * Stage 0.5 (optional): receive opened domain and send lookup name request
 274  */
 275 static void continue_domain_open_info(struct composite_context *ctx)
 276 {
 277         struct composite_context *c;
 278         struct group_info_state *s;
 279         struct composite_context *lookup_req, *info_req;
 280
 281         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
 282         s = talloc_get_type_abort(c->private_data, struct group_info_state);
 283
 284         /* receive domain handle */
 285         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domopen);
 286         if (!composite_is_ok(c)) return;
 287
 288         switch(s->level) {
 289         case GROUP_INFO_BY_NAME:
 290                 /* prepare arguments for LookupName call */
 291                 s->lookup.in.name        = s->group_name;
 292                 s->lookup.in.domain_name = s->domain_name;
 293
 294                 /* send the request */
 295                 lookup_req = libnet_LookupName_send(s->ctx, c, &s->lookup, s->monitor_fn);
 296                 if (composite_nomem(lookup_req, c)) return;
 297
 298                 /* set the next stage */
 299                 composite_continue(c, lookup_req, continue_name_found, c);
 300                 break;
 301         case GROUP_INFO_BY_SID:
 302                 /* prepare arguments for groupinfo call */
 303                 s->info.in.domain_handle = s->ctx->samr.handle;
 304                 s->info.in.sid           = s->sid_string;
 305                 /* we're looking for all information available */
 306                 s->info.in.level         = GROUPINFOALL;
 307
 308                 /* send the request */
 309                 info_req = libnet_rpc_groupinfo_send(s->ctx->samr.pipe, &s->info, s->monitor_fn);
 310                 if (composite_nomem(info_req, c)) return;
 311
 312                 /* set the next stage */
 313                 composite_continue(c, info_req, continue_group_info, c);
 314                 break;
 315
 316         }
 317 }
 318
 319
 320 /*
 321  * Stage 1: Receive SID found and send request for group info
 322  */
 323 static void continue_name_found(struct composite_context *ctx)
 324 {
 325         struct composite_context *c;
 326         struct group_info_state *s;
 327         struct composite_context *info_req;
 328
 329         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
 330         s = talloc_get_type_abort(c->private_data, struct group_info_state);
 331
 332         /* receive SID assiociated with name found */
 333         c->status = libnet_LookupName_recv(ctx, c, &s->lookup);
 334         if (!composite_is_ok(c)) return;
 335
 336         /* Is is a group SID actually ? */
 337         if (s->lookup.out.sid_type != SID_NAME_DOM_GRP &&
 338             s->lookup.out.sid_type != SID_NAME_ALIAS) {
 339                 composite_error(c, NT_STATUS_NO_SUCH_GROUP);
 340         }
 341
 342         /* prepare arguments for groupinfo call */
 343         s->info.in.domain_handle = s->ctx->samr.handle;
 344         s->info.in.groupname     = s->group_name;
 345         s->info.in.sid           = s->lookup.out.sidstr;
 346         /* we're looking for all information available */
 347         s->info.in.level         = GROUPINFOALL;
 348
 349         /* send the request */
 350         info_req = libnet_rpc_groupinfo_send(s->ctx->samr.pipe, &s->info, s->monitor_fn);
 351         if (composite_nomem(info_req, c)) return;
 352
 353         /* set the next stage */
 354         composite_continue(c, info_req, continue_group_info, c);
 355 }
 356
 357
 358 /*
 359  * Stage 2: Receive group information
 360  */
 361 static void continue_group_info(struct composite_context *ctx)
 362 {
 363         struct composite_context *c;
 364         struct group_info_state *s;
 365
 366         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
 367         s = talloc_get_type_abort(c->private_data, struct group_info_state);
 368
 369         /* receive group information */
 370         c->status = libnet_rpc_groupinfo_recv(ctx, c, &s->info);
 371         if (!composite_is_ok(c)) return;
 372
 373         /* we're done */
 374         composite_done(c);
 375 }
 376
 377
 378 /*
 379  * Receive group information
 380  *
 381  * @param c composite context returned by libnet_GroupInfo_send
 382  * @param mem_ctx memory context of this call
 383  * @param io pointer to structure receiving results of the call
 384  * @result nt status
 385  */
 386 NTSTATUS libnet_GroupInfo_recv(struct composite_context* c, TALLOC_CTX *mem_ctx,
 387                                struct libnet_GroupInfo *io)
 388 {
 389         NTSTATUS status;
 390         struct group_info_state *s;
 391
 392         status = composite_wait(c);
 393         if (NT_STATUS_IS_OK(status)) {
 394                 /* put the results into io structure if everything went fine */
 395                 s = talloc_get_type_abort(c->private_data, struct group_info_state);
 396
 397                 io->out.group_name = talloc_steal(mem_ctx,
 398                                         s->info.out.info.all.name.string);
 399                 io->out.group_sid = talloc_steal(mem_ctx, s->lookup.out.sid);
 400                 io->out.num_members = s->info.out.info.all.num_members;
 401                 io->out.description = talloc_steal(mem_ctx, s->info.out.info.all.description.string);
 402
 403                 io->out.error_string = talloc_strdup(mem_ctx, "Success");
 404
 405         } else {
 406                 io->out.error_string = talloc_asprintf(mem_ctx, "Error: %s", nt_errstr(status));
 407         }
 408
 409         talloc_free(c);
 410         return status;
 411 }
 412
 413
 414 /**
 415  * Obtains specified group information
 416  *
 417  * @param ctx initialised libnet context
 418  * @param mem_ctx memory context of the call
 419  * @param io pointer to a structure containing arguments and results of the call
 420  */
 421 NTSTATUS libnet_GroupInfo(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
 422                           struct libnet_GroupInfo *io)
 423 {
 424         struct composite_context *c = libnet_GroupInfo_send(ctx, mem_ctx,
 425                                                             io, NULL);
 426         return libnet_GroupInfo_recv(c, mem_ctx, io);
 427 }
 428
 429
 430 struct grouplist_state {
 431         struct libnet_context *ctx;
 432         const char *domain_name;
 433         struct lsa_DomainInfo dominfo;
 434         int page_size;
 435         uint32_t resume_index;
 436         struct grouplist *groups;
 437         uint32_t count;
 438
 439         struct libnet_DomainOpen domain_open;
 440         struct lsa_QueryInfoPolicy query_domain;
 441         struct samr_EnumDomainGroups group_list;
 442
 443         void (*monitor_fn)(struct monitor_msg*);
 444 };
 445
 446
 447 static void continue_lsa_domain_opened(struct composite_context *ctx);
 448 static void continue_domain_queried(struct tevent_req *subreq);
 449 static void continue_samr_domain_opened(struct composite_context *ctx);
 450 static void continue_groups_enumerated(struct tevent_req *subreq);
 451
 452
 453 /**
 454  * Sends request to list (enumerate) group accounts
 455  *
 456  * @param ctx initialised libnet context
 457  * @param mem_ctx memory context of this call
 458  * @param io pointer to structure containing arguments and results of this call
 459  * @param monitor function pointer for receiving monitor messages
 460  * @return compostite context of this request
 461  */
 462 struct composite_context *libnet_GroupList_send(struct libnet_context *ctx,
 463                                                 TALLOC_CTX *mem_ctx,
 464                                                 struct libnet_GroupList *io,
 465                                                 void (*monitor)(struct monitor_msg*))
 466 {
 467         struct composite_context *c;
 468         struct grouplist_state *s;
 469         struct tevent_req *subreq;
 470         bool prereq_met = false;
 471
 472         /* composite context allocation and setup */
 473         c = composite_create(mem_ctx, ctx->event_ctx);
 474         if (c == NULL) return NULL;
 475
 476         s = talloc_zero(c, struct grouplist_state);
 477         if (composite_nomem(s, c)) return c;
 478
 479         c->private_data = s;
 480
 481         /* store the arguments in the state structure */
 482         s->ctx          = ctx;
 483         s->page_size    = io->in.page_size;
 484         s->resume_index = io->in.resume_index;
 485         s->domain_name  = talloc_strdup(c, io->in.domain_name);
 486         s->monitor_fn   = monitor;
 487
 488         /* make sure we have lsa domain handle before doing anything */
 489         prereq_met = lsa_domain_opened(ctx, s->domain_name, &c, &s->domain_open,
 490                                        continue_lsa_domain_opened, monitor);
 491         if (!prereq_met) return c;
 492
 493         /* prepare arguments of QueryDomainInfo call */
 494         s->query_domain.in.handle = &ctx->lsa.handle;
 495         s->query_domain.in.level  = LSA_POLICY_INFO_DOMAIN;
 496         s->query_domain.out.info  = talloc_zero(c, union lsa_PolicyInformation *);
 497         if (composite_nomem(s->query_domain.out.info, c)) return c;
 498
 499         /* send the request */
 500         subreq = dcerpc_lsa_QueryInfoPolicy_r_send(s, c->event_ctx,
 501                                                    ctx->lsa.pipe->binding_handle,
 502                                                    &s->query_domain);
 503         if (composite_nomem(subreq, c)) return c;
 504
 505         tevent_req_set_callback(subreq, continue_domain_queried, c);
 506         return c;
 507 }
 508
 509
 510 /*
 511  * Stage 0.5 (optional): receive lsa domain handle and send
 512  * request to query domain info
 513  */
 514 static void continue_lsa_domain_opened(struct composite_context *ctx)
 515 {
 516         struct composite_context *c;
 517         struct grouplist_state *s;
 518         struct tevent_req *subreq;
 519
 520         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
 521         s = talloc_get_type_abort(c->private_data, struct grouplist_state);
 522
 523         /* receive lsa domain handle */
 524         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
 525         if (!composite_is_ok(c)) return;
 526
 527         /* prepare arguments of QueryDomainInfo call */
 528         s->query_domain.in.handle = &s->ctx->lsa.handle;
 529         s->query_domain.in.level  = LSA_POLICY_INFO_DOMAIN;
 530         s->query_domain.out.info  = talloc_zero(c, union lsa_PolicyInformation *);
 531         if (composite_nomem(s->query_domain.out.info, c)) return;
 532
 533         /* send the request */
 534         subreq = dcerpc_lsa_QueryInfoPolicy_r_send(s, c->event_ctx,
 535                                                    s->ctx->lsa.pipe->binding_handle,
 536                                                    &s->query_domain);
 537         if (composite_nomem(subreq, c)) return;
 538
 539         tevent_req_set_callback(subreq, continue_domain_queried, c);
 540 }
 541
 542
 543 /*
 544  * Stage 1: receive domain info and request to enum groups
 545  * provided a valid samr handle is opened
 546  */
 547 static void continue_domain_queried(struct tevent_req *subreq)
 548 {
 549         struct composite_context *c;
 550         struct grouplist_state *s;
 551         bool prereq_met = false;
 552
 553         c = tevent_req_callback_data(subreq, struct composite_context);
 554         s = talloc_get_type_abort(c->private_data, struct grouplist_state);
 555
 556         /* receive result of rpc request */
 557         c->status = dcerpc_lsa_QueryInfoPolicy_r_recv(subreq, s);
 558         TALLOC_FREE(subreq);
 559         if (!composite_is_ok(c)) return;
 560
 561         /* get the returned domain info */
 562         s->dominfo = (*s->query_domain.out.info)->domain;
 563
 564         /* make sure we have samr domain handle before continuing */
 565         prereq_met = samr_domain_opened(s->ctx, s->domain_name, &c, &s->domain_open,
 566                                         continue_samr_domain_opened, s->monitor_fn);
 567         if (!prereq_met) return;
 568
 569         /* prepare arguments od EnumDomainGroups call */
 570         s->group_list.in.domain_handle  = &s->ctx->samr.handle;
 571         s->group_list.in.max_size       = s->page_size;
 572         s->group_list.in.resume_handle  = &s->resume_index;
 573         s->group_list.out.resume_handle = &s->resume_index;
 574         s->group_list.out.num_entries   = talloc(s, uint32_t);
 575         if (composite_nomem(s->group_list.out.num_entries, c)) return;
 576         s->group_list.out.sam           = talloc(s, struct samr_SamArray *);
 577         if (composite_nomem(s->group_list.out.sam, c)) return;
 578
 579         /* send the request */
 580         subreq = dcerpc_samr_EnumDomainGroups_r_send(s, c->event_ctx,
 581                                                      s->ctx->samr.pipe->binding_handle,
 582                                                      &s->group_list);
 583         if (composite_nomem(subreq, c)) return;
 584
 585         tevent_req_set_callback(subreq, continue_groups_enumerated, c);
 586 }
 587
 588
 589 /*
 590  * Stage 1.5 (optional): receive samr domain handle
 591  * and request to enumerate accounts
 592  */
 593 static void continue_samr_domain_opened(struct composite_context *ctx)
 594 {
 595         struct composite_context *c;
 596         struct grouplist_state *s;
 597         struct tevent_req *subreq;
 598
 599         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
 600         s = talloc_get_type_abort(c->private_data, struct grouplist_state);
 601
 602         /* receive samr domain handle */
 603         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
 604         if (!composite_is_ok(c)) return;
 605
 606         /* prepare arguments of EnumDomainGroups call */
 607         s->group_list.in.domain_handle  = &s->ctx->samr.handle;
 608         s->group_list.in.max_size       = s->page_size;
 609         s->group_list.in.resume_handle  = &s->resume_index;
 610         s->group_list.out.resume_handle = &s->resume_index;
 611         s->group_list.out.num_entries   = talloc(s, uint32_t);
 612         if (composite_nomem(s->group_list.out.num_entries, c)) return;
 613         s->group_list.out.sam           = talloc(s, struct samr_SamArray *);
 614         if (composite_nomem(s->group_list.out.sam, c)) return;
 615
 616         /* send the request */
 617         subreq = dcerpc_samr_EnumDomainGroups_r_send(s, c->event_ctx,
 618                                                      s->ctx->samr.pipe->binding_handle,
 619                                                      &s->group_list);
 620         if (composite_nomem(subreq, c)) return;
 621
 622         tevent_req_set_callback(subreq, continue_groups_enumerated, c);
 623 }
 624
 625
 626 /*
 627  * Stage 2: receive enumerated groups and their rids
 628  */
 629 static void continue_groups_enumerated(struct tevent_req *subreq)
 630 {
 631         struct composite_context *c;
 632         struct grouplist_state *s;
 633         uint32_t i;
 634
 635         c = tevent_req_callback_data(subreq, struct composite_context);
 636         s = talloc_get_type_abort(c->private_data, struct grouplist_state);
 637
 638         /* receive result of rpc request */
 639         c->status = dcerpc_samr_EnumDomainGroups_r_recv(subreq, s);
 640         TALLOC_FREE(subreq);
 641         if (!composite_is_ok(c)) return;
 642
 643         /* get the actual status of the rpc call result
 644            (instead of rpc layer) */
 645         c->status = s->group_list.out.result;
 646
 647         /* we're interested in status "ok" as well as two
 648            enum-specific status codes */
 649         if (NT_STATUS_IS_OK(c->status) ||
 650             NT_STATUS_EQUAL(c->status, STATUS_MORE_ENTRIES) ||
 651             NT_STATUS_EQUAL(c->status, NT_STATUS_NO_MORE_ENTRIES)) {
 652
 653                 /* get enumerated accounts counter and resume handle (the latter allows
 654                    making subsequent call to continue enumeration) */
 655                 s->resume_index = *s->group_list.out.resume_handle;
 656                 s->count        = *s->group_list.out.num_entries;
 657
 658                 /* prepare returned group accounts array */
 659                 s->groups       = talloc_array(c, struct grouplist, (*s->group_list.out.sam)->count);
 660                 if (composite_nomem(s->groups, c)) return;
 661
 662                 for (i = 0; i < (*s->group_list.out.sam)->count; i++) {
 663                         struct dom_sid *group_sid;
 664                         struct samr_SamEntry *entry = &(*s->group_list.out.sam)->entries[i];
 665                         struct dom_sid *domain_sid = (*s->query_domain.out.info)->domain.sid;
 666
 667                         /* construct group sid from returned rid and queried domain sid */
 668                         group_sid = dom_sid_add_rid(c, domain_sid, entry->idx);
 669                         if (composite_nomem(group_sid, c)) return;
 670
 671                         /* groupname */
 672                         s->groups[i].groupname = talloc_strdup(s->groups, entry->name.string);
 673                         if (composite_nomem(s->groups[i].groupname, c)) return;
 674
 675                         /* sid string */
 676                         s->groups[i].sid = dom_sid_string(s->groups, group_sid);
 677                         if (composite_nomem(s->groups[i].sid, c)) return;
 678                 }
 679
 680                 /* that's it */
 681                 composite_done(c);
 682
 683         } else {
 684                 /* something went wrong */
 685                 composite_error(c, c->status);
 686         }
 687 }
 688
 689
 690 /**
 691  * Receive result of GroupList call
 692  *
 693  * @param c composite context returned by send request routine
 694  * @param mem_ctx memory context of this call
 695  * @param io pointer to structure containing arguments and result of this call
 696  * @param nt status
 697  */
 698 NTSTATUS libnet_GroupList_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
 699                                struct libnet_GroupList *io)
 700 {
 701         NTSTATUS status;
 702         struct grouplist_state *s;
 703
 704         if (c == NULL || mem_ctx == NULL || io == NULL) {
 705                 talloc_free(c);
 706                 return NT_STATUS_INVALID_PARAMETER;
 707         }
 708
 709         status = composite_wait(c);
 710         if (NT_STATUS_IS_OK(status) ||
 711             NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES) ||
 712             NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
 713
 714                 s = talloc_get_type_abort(c->private_data, struct grouplist_state);
 715
 716                 /* get results from composite context */
 717                 io->out.count        = s->count;
 718                 io->out.resume_index = s->resume_index;
 719                 io->out.groups       = talloc_steal(mem_ctx, s->groups);
 720
 721                 if (NT_STATUS_IS_OK(status)) {
 722                         io->out.error_string = talloc_asprintf(mem_ctx, "Success");
 723                 } else {
 724                         /* success, but we're not done yet */
 725                         io->out.error_string = talloc_asprintf(mem_ctx, "Success (status: %s)",
 726                                                                nt_errstr(status));
 727                 }
 728
 729         } else {
 730                 io->out.error_string = talloc_asprintf(mem_ctx, "Error: %s", nt_errstr(status));
 731         }
 732
 733         talloc_free(c);
 734         return status;
 735 }
 736
 737
 738 /**
 739  * Enumerate domain groups
 740  *
 741  * @param ctx initialised libnet context
 742  * @param mem_ctx memory context of this call
 743  * @param io pointer to structure containing arguments and result of this call
 744  * @return nt status
 745  */
 746 NTSTATUS libnet_GroupList(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
 747                           struct libnet_GroupList *io)
 748 {
 749         struct composite_context *c;
 750
 751         c = libnet_GroupList_send(ctx, mem_ctx, io, NULL);
 752         return libnet_GroupList_recv(c, mem_ctx, io);
 753 }