root/source4/libnet/libnet_user.c

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DEFINITIONS

This source file includes following definitions.
  1. libnet_CreateUser_send
  2. continue_domain_open_create
  3. continue_rpc_useradd
  4. libnet_CreateUser_recv
  5. libnet_CreateUser
  6. libnet_DeleteUser_send
  7. continue_domain_open_delete
  8. continue_rpc_userdel
  9. libnet_DeleteUser_recv
  10. libnet_DeleteUser
  11. libnet_ModifyUser_send
  12. continue_domain_open_modify
  13. continue_rpc_userinfo
  14. set_user_changes
  15. continue_rpc_usermod
  16. libnet_ModifyUser_recv
  17. libnet_ModifyUser
  18. libnet_UserInfo_send
  19. continue_domain_open_info
  20. continue_name_found
  21. continue_info_received
  22. libnet_UserInfo_recv
  23. libnet_UserInfo
  24. libnet_UserList_send
  25. continue_lsa_domain_opened
  26. continue_domain_queried
  27. continue_samr_domain_opened
  28. continue_users_enumerated
  29. libnet_UserList_recv
  30. libnet_UserList

   1 /* 
   2    Unix SMB/CIFS implementation.
   3    
   4    Copyright (C) Rafal Szczesniak  2005
   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 "auth/credentials/credentials.h"
  25 #include "librpc/ndr/libndr.h"
  26 #include "librpc/gen_ndr/samr.h"
  27 #include "librpc/gen_ndr/ndr_samr_c.h"
  28 #include "librpc/gen_ndr/lsa.h"
  29 #include "librpc/gen_ndr/ndr_lsa_c.h"
  30 #include "libcli/security/security.h"
  31 
  32 
  33 struct create_user_state {
  34         struct libnet_CreateUser r;
  35         struct libnet_DomainOpen domain_open;
  36         struct libnet_rpc_useradd user_add;
  37         struct libnet_context *ctx;
  38 
  39         /* information about the progress */
  40         void (*monitor_fn)(struct monitor_msg *);
  41 };
  42 
  43 
  44 static void continue_rpc_useradd(struct composite_context *ctx);
  45 static void continue_domain_open_create(struct composite_context *ctx);
  46 
  47 
  48 /**
  49  * Sends request to create user account
  50  *
  51  * @param ctx initialised libnet context
  52  * @param mem_ctx memory context of this call
  53  * @param r pointer to a structure containing arguments and results of this call
  54  * @param monitor function pointer for receiving monitor messages
  55  * @return compostite context of this request
  56  */
  57 struct composite_context* libnet_CreateUser_send(struct libnet_context *ctx,
     /* [<][>][^][v][top][bottom][index][help] */
  58                                                  TALLOC_CTX *mem_ctx,
  59                                                  struct libnet_CreateUser *r,
  60                                                  void (*monitor)(struct monitor_msg*))
  61 {
  62         struct composite_context *c;
  63         struct create_user_state *s;
  64         struct composite_context *create_req;
  65         bool prereq_met = false;
  66 
  67         /* composite context allocation and setup */
  68         c = composite_create(mem_ctx, ctx->event_ctx);
  69         if (c == NULL) return NULL;
  70 
  71         s = talloc_zero(c, struct create_user_state);
  72         if (composite_nomem(s, c)) return c;
  73 
  74         c->private_data = s;
  75 
  76         /* store arguments in the state structure */
  77         s->ctx = ctx;
  78         s->r   = *r;
  79         ZERO_STRUCT(s->r.out);
  80 
  81         /* prerequisite: make sure the domain is opened */
  82         prereq_met = samr_domain_opened(ctx, s->r.in.domain_name, &c, &s->domain_open,
  83                                         continue_domain_open_create, monitor);
  84         if (!prereq_met) return c;
  85 
  86         /* prepare arguments for useradd call */
  87         s->user_add.in.username       = r->in.user_name;
  88         s->user_add.in.domain_handle  = ctx->samr.handle;
  89 
  90         /* send the request */
  91         create_req = libnet_rpc_useradd_send(ctx->samr.pipe, &s->user_add, monitor);
  92         if (composite_nomem(create_req, c)) return c;
  93 
  94         /* set the next stage */
  95         composite_continue(c, create_req, continue_rpc_useradd, c);
  96         return c;
  97 }
  98 
  99 
 100 /*
 101  * Stage 0.5 (optional): receive result of domain open request
 102  * and send useradd request
 103  */
 104 static void continue_domain_open_create(struct composite_context *ctx)
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 105 {
 106         struct composite_context *c;
 107         struct create_user_state *s;
 108         struct composite_context *create_req;
 109         struct monitor_msg msg;
 110 
 111         c = talloc_get_type(ctx->async.private_data, struct composite_context);
 112         s = talloc_get_type(c->private_data, struct create_user_state);
 113 
 114         /* receive result of DomainOpen call */
 115         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
 116         if (!composite_is_ok(c)) return;
 117 
 118         /* send monitor message */
 119         if (s->monitor_fn) s->monitor_fn(&msg);
 120         
 121         /* prepare arguments for useradd call */
 122         s->user_add.in.username       = s->r.in.user_name;
 123         s->user_add.in.domain_handle  = s->ctx->samr.handle;
 124 
 125         /* send the request */
 126         create_req = libnet_rpc_useradd_send(s->ctx->samr.pipe, &s->user_add, s->monitor_fn);
 127         if (composite_nomem(create_req, c)) return;
 128 
 129         /* set the next stage */
 130         composite_continue(c, create_req, continue_rpc_useradd, c);
 131 }
 132 
 133 
 134 /*
 135  * Stage 1: receive result of useradd call
 136  */
 137 static void continue_rpc_useradd(struct composite_context *ctx)
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 138 {
 139         struct composite_context *c;
 140         struct create_user_state *s;
 141         struct monitor_msg msg;
 142 
 143         c = talloc_get_type(ctx->async.private_data, struct composite_context);
 144         s = talloc_get_type(c->private_data, struct create_user_state);
 145         
 146         /* receive result of the call */
 147         c->status = libnet_rpc_useradd_recv(ctx, c, &s->user_add);
 148         if (!composite_is_ok(c)) return;
 149 
 150         /* send monitor message */
 151         if (s->monitor_fn) s->monitor_fn(&msg);
 152 
 153         /* we're done */
 154         composite_done(c);
 155 }
 156 
 157 
 158 /**
 159  * Receive result of CreateUser call
 160  *
 161  * @param c composite context returned by send request routine
 162  * @param mem_ctx memory context of this call
 163  * @param r pointer to a structure containing arguments and result of this call
 164  * @return nt status
 165  */
 166 NTSTATUS libnet_CreateUser_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
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 167                                 struct libnet_CreateUser *r)
 168 {
 169         NTSTATUS status;
 170         struct create_user_state *s;
 171 
 172         r->out.error_string = NULL;
 173 
 174         /* wait for result of async request and check status code */
 175         status = composite_wait(c);
 176         if (!NT_STATUS_IS_OK(status)) {
 177                 s = talloc_get_type(c->private_data, struct create_user_state);
 178                 r->out.error_string = talloc_strdup(mem_ctx, nt_errstr(status));
 179         }
 180 
 181         return status;
 182 }
 183 
 184 
 185 /**
 186  * Synchronous version of CreateUser call
 187  *
 188  * @param ctx initialised libnet context
 189  * @param mem_ctx memory context of this call
 190  * @param r pointer to a structure containing arguments and result of this call
 191  * @return nt status
 192  */
 193 NTSTATUS libnet_CreateUser(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
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 194                            struct libnet_CreateUser *r)
 195 {
 196         struct composite_context *c;
 197 
 198         c = libnet_CreateUser_send(ctx, mem_ctx, r, NULL);
 199         return libnet_CreateUser_recv(c, mem_ctx, r);
 200 }
 201 
 202 
 203 struct delete_user_state {
 204         struct libnet_DeleteUser r;
 205         struct libnet_context *ctx;
 206         struct libnet_DomainOpen domain_open;
 207         struct libnet_rpc_userdel user_del;
 208 
 209         /* information about the progress */
 210         void (*monitor_fn)(struct monitor_msg *);
 211 };
 212 
 213 
 214 static void continue_rpc_userdel(struct composite_context *ctx);
 215 static void continue_domain_open_delete(struct composite_context *ctx);
 216 
 217 
 218 /**
 219  * Sends request to delete user account
 220  *
 221  * @param ctx initialised libnet context
 222  * @param mem_ctx memory context of this call
 223  * @param r pointer to structure containing arguments and result of this call
 224  * @param monitor function pointer for receiving monitor messages
 225  */
 226 struct composite_context *libnet_DeleteUser_send(struct libnet_context *ctx,
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 227                                                  TALLOC_CTX *mem_ctx,
 228                                                  struct libnet_DeleteUser *r,
 229                                                  void (*monitor)(struct monitor_msg*))
 230 {
 231         struct composite_context *c;
 232         struct delete_user_state *s;
 233         struct composite_context *delete_req;
 234         bool prereq_met = false;
 235 
 236         /* composite context allocation and setup */
 237         c = composite_create(mem_ctx, ctx->event_ctx);
 238         if (c == NULL) return NULL;
 239 
 240         s = talloc_zero(c, struct delete_user_state);
 241         if (composite_nomem(s, c)) return c;
 242 
 243         c->private_data = s;
 244 
 245         /* store arguments in state structure */
 246         s->ctx = ctx;
 247         s->r   = *r;
 248         ZERO_STRUCT(s->r.out);
 249         
 250         /* prerequisite: make sure the domain is opened before proceeding */
 251         prereq_met = samr_domain_opened(ctx, s->r.in.domain_name, &c, &s->domain_open,
 252                                         continue_domain_open_delete, monitor);
 253         if (!prereq_met) return c;
 254 
 255         /* prepare arguments for userdel call */
 256         s->user_del.in.username       = r->in.user_name;
 257         s->user_del.in.domain_handle  = ctx->samr.handle;
 258 
 259         /* send request */
 260         delete_req = libnet_rpc_userdel_send(ctx->samr.pipe, &s->user_del, monitor);
 261         if (composite_nomem(delete_req, c)) return c;
 262         
 263         /* set the next stage */
 264         composite_continue(c, delete_req, continue_rpc_userdel, c);
 265         return c;
 266 }
 267 
 268 
 269 /*
 270  * Stage 0.5 (optional): receive result of domain open request
 271  * and send useradd request
 272  */
 273 static void continue_domain_open_delete(struct composite_context *ctx)
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 274 {
 275         struct composite_context *c;
 276         struct delete_user_state *s;
 277         struct composite_context *delete_req;
 278         struct monitor_msg msg;
 279 
 280         c = talloc_get_type(ctx->async.private_data, struct composite_context);
 281         s = talloc_get_type(c->private_data, struct delete_user_state);
 282 
 283         /* receive result of DomainOpen call */
 284         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
 285         if (!composite_is_ok(c)) return;
 286         
 287         /* send monitor message */
 288         if (s->monitor_fn) s->monitor_fn(&msg);
 289 
 290         /* prepare arguments for userdel call */
 291         s->user_del.in.username       = s->r.in.user_name;
 292         s->user_del.in.domain_handle  = s->ctx->samr.handle;
 293 
 294         /* send request */
 295         delete_req = libnet_rpc_userdel_send(s->ctx->samr.pipe, &s->user_del, s->monitor_fn);
 296         if (composite_nomem(delete_req, c)) return;
 297 
 298         /* set the next stage */
 299         composite_continue(c, delete_req, continue_rpc_userdel, c);
 300 }
 301 
 302 
 303 /*
 304  * Stage 1: receive result of userdel call and finish the composite function
 305  */
 306 static void continue_rpc_userdel(struct composite_context *ctx)
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 307 {
 308         struct composite_context *c;
 309         struct delete_user_state *s;
 310         struct monitor_msg msg;
 311 
 312         c = talloc_get_type(ctx->async.private_data, struct composite_context);
 313         s = talloc_get_type(c->private_data, struct delete_user_state);
 314 
 315         /* receive result of userdel call */
 316         c->status = libnet_rpc_userdel_recv(ctx, c, &s->user_del);
 317         if (!composite_is_ok(c)) return;
 318 
 319         /* send monitor message */
 320         if (s->monitor_fn) s->monitor_fn(&msg);
 321 
 322         /* we're done */
 323         composite_done(c);
 324 }
 325 
 326 
 327 /**
 328  * Receives result of asynchronous DeleteUser call
 329  *
 330  * @param c composite context returned by async DeleteUser call
 331  * @param mem_ctx memory context of this call
 332  * @param r pointer to structure containing arguments and result
 333  */
 334 NTSTATUS libnet_DeleteUser_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
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 335                                 struct libnet_DeleteUser *r)
 336 {
 337         NTSTATUS status;
 338         struct delete_user_state *s;
 339 
 340         r->out.error_string = NULL;
 341 
 342         /* wait for result of async request and check status code */
 343         status = composite_wait(c);
 344         if (!NT_STATUS_IS_OK(status)) {
 345                 s = talloc_get_type(c->private_data, struct delete_user_state);
 346                 r->out.error_string = talloc_steal(mem_ctx, s->r.out.error_string);
 347         }
 348         
 349         return status;
 350 }
 351 
 352 
 353 /**
 354  * Synchronous version of DeleteUser call
 355  *
 356  * @param ctx initialised libnet context
 357  * @param mem_ctx memory context of this call
 358  * @param r pointer to structure containing arguments and result
 359  */
 360 NTSTATUS libnet_DeleteUser(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
     /* [<][>][^][v][top][bottom][index][help] */
 361                            struct libnet_DeleteUser *r)
 362 {
 363         struct composite_context *c;
 364         
 365         c = libnet_DeleteUser_send(ctx, mem_ctx, r, NULL);
 366         return libnet_DeleteUser_recv(c, mem_ctx, r);
 367 }
 368 
 369 
 370 struct modify_user_state {
 371         struct libnet_ModifyUser r;
 372         struct libnet_context *ctx;
 373         struct libnet_DomainOpen domain_open;
 374         struct libnet_rpc_userinfo user_info;
 375         struct libnet_rpc_usermod user_mod;
 376 
 377         void (*monitor_fn)(struct monitor_msg *);
 378 };
 379 
 380 
 381 static void continue_rpc_usermod(struct composite_context *ctx);
 382 static void continue_domain_open_modify(struct composite_context *ctx);
 383 static NTSTATUS set_user_changes(TALLOC_CTX *mem_ctx, struct usermod_change *mod,
 384                                  struct libnet_rpc_userinfo *info, struct libnet_ModifyUser *r);
 385 static void continue_rpc_userinfo(struct composite_context *ctx);
 386 
 387 
 388 /**
 389  * Sends request to modify user account
 390  *
 391  * @param ctx initialised libnet context
 392  * @param mem_ctx memory context of this call
 393  * @param r pointer to structure containing arguments and result of this call
 394  * @param monitor function pointer for receiving monitor messages
 395  */
 396 struct composite_context *libnet_ModifyUser_send(struct libnet_context *ctx,
     /* [<][>][^][v][top][bottom][index][help] */
 397                                                  TALLOC_CTX *mem_ctx,
 398                                                  struct libnet_ModifyUser *r,
 399                                                  void (*monitor)(struct monitor_msg*))
 400 {
 401         const uint16_t level = 21;
 402         struct composite_context *c;
 403         struct modify_user_state *s;
 404         struct composite_context *userinfo_req;
 405         bool prereq_met = false;
 406 
 407         c = composite_create(mem_ctx, ctx->event_ctx);
 408         if (c == NULL) return NULL;
 409 
 410         s = talloc_zero(c, struct modify_user_state);
 411         if (composite_nomem(s, c)) return c;
 412 
 413         c->private_data = s;
 414 
 415         s->ctx = ctx;
 416         s->r = *r;
 417 
 418         prereq_met = samr_domain_opened(ctx, s->r.in.domain_name, &c, &s->domain_open,
 419                                         continue_domain_open_modify, monitor);
 420         if (!prereq_met) return c;
 421 
 422         s->user_info.in.username      = r->in.user_name;
 423         s->user_info.in.domain_handle = ctx->samr.handle;
 424         s->user_info.in.level         = level;
 425 
 426         userinfo_req = libnet_rpc_userinfo_send(ctx->samr.pipe, &s->user_info, monitor);
 427         if (composite_nomem(userinfo_req, c)) return c;
 428 
 429         composite_continue(c, userinfo_req, continue_rpc_userinfo, c);
 430         return c;
 431 }
 432 
 433 
 434 /*
 435  * Stage 0.5 (optional): receive result of domain open request
 436  * and send userinfo request
 437  */
 438 static void continue_domain_open_modify(struct composite_context *ctx)
     /* [<][>][^][v][top][bottom][index][help] */
 439 {
 440         const uint16_t level = 21;
 441         struct composite_context *c;
 442         struct modify_user_state *s;
 443         struct composite_context *userinfo_req;
 444         struct monitor_msg msg;
 445 
 446         c = talloc_get_type(ctx->async.private_data, struct composite_context);
 447         s = talloc_get_type(c->private_data, struct modify_user_state);
 448 
 449         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
 450         if (!composite_is_ok(c)) return;
 451 
 452         if (s->monitor_fn) s->monitor_fn(&msg);
 453         
 454         s->user_info.in.domain_handle  = s->ctx->samr.handle;
 455         s->user_info.in.username       = s->r.in.user_name;
 456         s->user_info.in.level          = level;
 457 
 458         userinfo_req = libnet_rpc_userinfo_send(s->ctx->samr.pipe, &s->user_info, s->monitor_fn);
 459         if (composite_nomem(userinfo_req, c)) return;
 460         
 461         composite_continue(c, userinfo_req, continue_rpc_userinfo, c);
 462 }
 463 
 464 
 465 /*
 466  * Stage 1: receive result of userinfo call, prepare user changes
 467  * (set the fields a caller required to change) and send usermod request
 468  */
 469 static void continue_rpc_userinfo(struct composite_context *ctx)
     /* [<][>][^][v][top][bottom][index][help] */
 470 {
 471         struct composite_context *c;
 472         struct modify_user_state *s;
 473         struct composite_context *usermod_req;
 474 
 475         c = talloc_get_type(ctx->async.private_data, struct composite_context);
 476         s = talloc_get_type(c->private_data, struct modify_user_state);
 477 
 478         c->status = libnet_rpc_userinfo_recv(ctx, c, &s->user_info);
 479         if (!composite_is_ok(c)) return;
 480 
 481         s->user_mod.in.domain_handle = s->ctx->samr.handle;
 482         s->user_mod.in.username      = s->r.in.user_name;
 483 
 484         c->status = set_user_changes(c, &s->user_mod.in.change, &s->user_info, &s->r);
 485 
 486         usermod_req = libnet_rpc_usermod_send(s->ctx->samr.pipe, &s->user_mod, s->monitor_fn);
 487         if (composite_nomem(usermod_req, c)) return;
 488 
 489         composite_continue(c, usermod_req, continue_rpc_usermod, c);
 490 }
 491 
 492 
 493 /*
 494  * Prepare user changes: compare userinfo result to requested changes and
 495  * set the field values and flags accordingly for user modify call
 496  */
 497 static NTSTATUS set_user_changes(TALLOC_CTX *mem_ctx, struct usermod_change *mod,
     /* [<][>][^][v][top][bottom][index][help] */
 498                                  struct libnet_rpc_userinfo *info, struct libnet_ModifyUser *r)
 499 {
 500         struct samr_UserInfo21 *user;
 501 
 502         if (mod == NULL || info == NULL || r == NULL || info->in.level != 21) {
 503                 return NT_STATUS_INVALID_PARAMETER;
 504         }
 505 
 506         user = &info->out.info.info21;
 507         mod->fields = 0;        /* reset flag field before setting individual flags */
 508 
 509         /* account name change */
 510         SET_FIELD_LSA_STRING(r->in, user, mod, account_name, USERMOD_FIELD_ACCOUNT_NAME);
 511 
 512         /* full name change */
 513         SET_FIELD_LSA_STRING(r->in, user, mod, full_name, USERMOD_FIELD_FULL_NAME);
 514 
 515         /* description change */
 516         SET_FIELD_LSA_STRING(r->in, user, mod, description, USERMOD_FIELD_DESCRIPTION);
 517 
 518         /* comment change */
 519         SET_FIELD_LSA_STRING(r->in, user, mod, comment, USERMOD_FIELD_COMMENT);
 520 
 521         /* home directory change */
 522         SET_FIELD_LSA_STRING(r->in, user, mod, home_directory, USERMOD_FIELD_HOME_DIRECTORY);
 523 
 524         /* home drive change */
 525         SET_FIELD_LSA_STRING(r->in, user, mod, home_drive, USERMOD_FIELD_HOME_DRIVE);
 526 
 527         /* logon script change */
 528         SET_FIELD_LSA_STRING(r->in, user, mod, logon_script, USERMOD_FIELD_LOGON_SCRIPT);
 529 
 530         /* profile path change */
 531         SET_FIELD_LSA_STRING(r->in, user, mod, profile_path, USERMOD_FIELD_PROFILE_PATH);
 532 
 533         /* account expiry change */
 534         SET_FIELD_NTTIME(r->in, user, mod, acct_expiry, USERMOD_FIELD_ACCT_EXPIRY);
 535 
 536         /* account flags change */
 537         SET_FIELD_ACCT_FLAGS(r->in, user, mod, acct_flags, USERMOD_FIELD_ACCT_FLAGS);
 538 
 539         return NT_STATUS_OK;
 540 }
 541 
 542 
 543 /*
 544  * Stage 2: receive result of usermod request and finish the composite function
 545  */
 546 static void continue_rpc_usermod(struct composite_context *ctx)
     /* [<][>][^][v][top][bottom][index][help] */
 547 {
 548         struct composite_context *c;
 549         struct modify_user_state *s;
 550         struct monitor_msg msg;
 551 
 552         c = talloc_get_type(ctx->async.private_data, struct composite_context);
 553         s = talloc_get_type(c->private_data, struct modify_user_state);
 554         
 555         c->status = libnet_rpc_usermod_recv(ctx, c, &s->user_mod);
 556         if (!composite_is_ok(c)) return;
 557         
 558         if (s->monitor_fn) s->monitor_fn(&msg);
 559         composite_done(c);
 560 }
 561 
 562 
 563 /**
 564  * Receive result of ModifyUser call
 565  *
 566  * @param c composite context returned by send request routine
 567  * @param mem_ctx memory context of this call
 568  * @param r pointer to a structure containing arguments and result of this call
 569  * @return nt status
 570  */
 571 NTSTATUS libnet_ModifyUser_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
     /* [<][>][^][v][top][bottom][index][help] */
 572                                 struct libnet_ModifyUser *r)
 573 {
 574         NTSTATUS status = composite_wait(c);
 575         return status;
 576 }
 577 
 578 
 579 /**
 580  * Synchronous version of ModifyUser call
 581  *
 582  * @param ctx initialised libnet context
 583  * @param mem_ctx memory context of this call
 584  * @param r pointer to a structure containing arguments and result of this call
 585  * @return nt status
 586  */
 587 NTSTATUS libnet_ModifyUser(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
     /* [<][>][^][v][top][bottom][index][help] */
 588                            struct libnet_ModifyUser *r)
 589 {
 590         struct composite_context *c;
 591 
 592         c = libnet_ModifyUser_send(ctx, mem_ctx, r, NULL);
 593         return libnet_ModifyUser_recv(c, mem_ctx, r);
 594 }
 595 
 596 
 597 struct user_info_state {
 598         struct libnet_context *ctx;
 599         const char *domain_name;
 600         enum libnet_UserInfo_level level;
 601         const char *user_name;
 602         const char *sid_string;
 603         struct libnet_LookupName lookup;
 604         struct libnet_DomainOpen domopen;
 605         struct libnet_rpc_userinfo userinfo;
 606 
 607         /* information about the progress */
 608         void (*monitor_fn)(struct monitor_msg *);
 609 };
 610 
 611 
 612 static void continue_name_found(struct composite_context *ctx);
 613 static void continue_domain_open_info(struct composite_context *ctx);
 614 static void continue_info_received(struct composite_context *ctx);
 615 
 616 
 617 /**
 618  * Sends request to get user account information
 619  *
 620  * @param ctx initialised libnet context
 621  * @param mem_ctx memory context of this call
 622  * @param r pointer to a structure containing arguments and results of this call
 623  * @param monitor function pointer for receiving monitor messages
 624  * @return compostite context of this request
 625  */
 626 struct composite_context* libnet_UserInfo_send(struct libnet_context *ctx,
     /* [<][>][^][v][top][bottom][index][help] */
 627                                                TALLOC_CTX *mem_ctx,
 628                                                struct libnet_UserInfo *r,
 629                                                void (*monitor)(struct monitor_msg*))
 630 {
 631         struct composite_context *c;
 632         struct user_info_state *s;
 633         struct composite_context *lookup_req, *info_req;
 634         bool prereq_met = false;
 635 
 636         /* composite context allocation and setup */
 637         c = composite_create(mem_ctx, ctx->event_ctx);
 638         if (c == NULL) return NULL;
 639 
 640         s = talloc_zero(c, struct user_info_state);
 641         if (composite_nomem(s, c)) return c;
 642 
 643         c->private_data = s;
 644 
 645         /* store arguments in the state structure */
 646         s->monitor_fn = monitor;
 647         s->ctx = ctx;
 648         s->domain_name = talloc_strdup(c, r->in.domain_name);
 649         s->level = r->in.level;
 650         switch (s->level) {
 651         case USER_INFO_BY_NAME:
 652                 s->user_name = talloc_strdup(c, r->in.data.user_name);
 653                 s->sid_string = NULL;
 654                 break;
 655         case USER_INFO_BY_SID:
 656                 s->user_name = NULL;
 657                 s->sid_string = dom_sid_string(c, r->in.data.user_sid);
 658                 break;
 659         }
 660 
 661         /* prerequisite: make sure the domain is opened */
 662         prereq_met = samr_domain_opened(ctx, s->domain_name, &c, &s->domopen,
 663                                         continue_domain_open_info, monitor);
 664         if (!prereq_met) return c;
 665 
 666         switch (s->level) {
 667         case USER_INFO_BY_NAME:
 668                 /* prepare arguments for LookupName call */
 669                 s->lookup.in.domain_name = s->domain_name;
 670                 s->lookup.in.name        = s->user_name;
 671 
 672                 /* send the request */
 673                 lookup_req = libnet_LookupName_send(ctx, c, &s->lookup,
 674                                                     s->monitor_fn);
 675                 if (composite_nomem(lookup_req, c)) return c;
 676 
 677                 /* set the next stage */
 678                 composite_continue(c, lookup_req, continue_name_found, c);
 679                 break;
 680         case USER_INFO_BY_SID:
 681                 /* prepare arguments for UserInfo call */
 682                 s->userinfo.in.domain_handle = s->ctx->samr.handle;
 683                 s->userinfo.in.sid = s->sid_string;
 684                 s->userinfo.in.level = 21;
 685 
 686                 /* send the request */
 687                 info_req = libnet_rpc_userinfo_send(s->ctx->samr.pipe,
 688                                                     &s->userinfo,
 689                                                     s->monitor_fn);
 690                 if (composite_nomem(info_req, c)) return c;
 691 
 692                 /* set the next stage */
 693                 composite_continue(c, info_req, continue_info_received, c);
 694                 break;
 695         }
 696 
 697         return c;
 698 }
 699 
 700 
 701 /*
 702  * Stage 0.5 (optional): receive result of domain open request
 703  * and send LookupName request
 704  */
 705 static void continue_domain_open_info(struct composite_context *ctx)
     /* [<][>][^][v][top][bottom][index][help] */
 706 {
 707         struct composite_context *c;
 708         struct user_info_state *s;
 709         struct composite_context *lookup_req, *info_req;
 710         struct monitor_msg msg;
 711 
 712         c = talloc_get_type(ctx->async.private_data, struct composite_context);
 713         s = talloc_get_type(c->private_data, struct user_info_state);
 714 
 715         /* receive result of DomainOpen call */
 716         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domopen);
 717         if (!composite_is_ok(c)) return;
 718 
 719         /* send monitor message */
 720         if (s->monitor_fn) s->monitor_fn(&msg);
 721 
 722         switch (s->level) {
 723         case USER_INFO_BY_NAME:
 724                 /* prepare arguments for LookupName call */
 725                 s->lookup.in.domain_name = s->domain_name;
 726                 s->lookup.in.name        = s->user_name;
 727 
 728                 /* send the request */
 729                 lookup_req = libnet_LookupName_send(s->ctx, c, &s->lookup, s->monitor_fn);
 730                 if (composite_nomem(lookup_req, c)) return;
 731 
 732                 /* set the next stage */
 733                 composite_continue(c, lookup_req, continue_name_found, c);
 734                 break;
 735 
 736         case USER_INFO_BY_SID:
 737                 /* prepare arguments for UserInfo call */
 738                 s->userinfo.in.domain_handle = s->ctx->samr.handle;
 739                 s->userinfo.in.sid = s->sid_string;
 740                 s->userinfo.in.level = 21;
 741 
 742                 /* send the request */
 743                 info_req = libnet_rpc_userinfo_send(s->ctx->samr.pipe,
 744                                                     &s->userinfo,
 745                                                     s->monitor_fn);
 746                 if (composite_nomem(info_req, c)) return;
 747 
 748                 /* set the next stage */
 749                 composite_continue(c, info_req, continue_info_received, c);
 750                 break;
 751         }
 752 }
 753 
 754 
 755 /*
 756  * Stage 1: receive the name (if found) and send userinfo request
 757  */
 758 static void continue_name_found(struct composite_context *ctx)
     /* [<][>][^][v][top][bottom][index][help] */
 759 {
 760         struct composite_context *c;
 761         struct user_info_state *s;
 762         struct composite_context *info_req;
 763 
 764         c = talloc_get_type(ctx->async.private_data, struct composite_context);
 765         s = talloc_get_type(c->private_data, struct user_info_state);
 766 
 767         /* receive result of LookupName call */
 768         c->status = libnet_LookupName_recv(ctx, c, &s->lookup);
 769         if (!composite_is_ok(c)) return;
 770 
 771         /* we're only interested in user accounts this time */
 772         if (s->lookup.out.sid_type != SID_NAME_USER) {
 773                 composite_error(c, NT_STATUS_NO_SUCH_USER);
 774                 return;
 775         }
 776 
 777         /* prepare arguments for UserInfo call */
 778         s->userinfo.in.domain_handle = s->ctx->samr.handle;
 779         s->userinfo.in.sid = s->lookup.out.sidstr;
 780         s->userinfo.in.level = 21;
 781 
 782         /* send the request */
 783         info_req = libnet_rpc_userinfo_send(s->ctx->samr.pipe, &s->userinfo, s->monitor_fn);
 784         if (composite_nomem(info_req, c)) return;
 785 
 786         /* set the next stage */
 787         composite_continue(c, info_req, continue_info_received, c);
 788 }
 789 
 790 
 791 /*
 792  * Stage 2: receive user account information and finish the composite function
 793  */
 794 static void continue_info_received(struct composite_context *ctx)
     /* [<][>][^][v][top][bottom][index][help] */
 795 {
 796         struct composite_context *c;
 797         struct user_info_state *s;
 798 
 799         c = talloc_get_type(ctx->async.private_data, struct composite_context);
 800         s = talloc_get_type(c->private_data, struct user_info_state);
 801         
 802         /* receive result of userinfo call */
 803         c->status = libnet_rpc_userinfo_recv(ctx, c, &s->userinfo);
 804         if (!composite_is_ok(c)) return;
 805 
 806         composite_done(c);
 807 }
 808 
 809 
 810 /**
 811  * Receive result of UserInfo call
 812  *
 813  * @param c composite context returned by send request routine
 814  * @param mem_ctx memory context of this call
 815  * @param r pointer to a structure containing arguments and result of this call
 816  * @return nt status
 817  */
 818 NTSTATUS libnet_UserInfo_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
     /* [<][>][^][v][top][bottom][index][help] */
 819                               struct libnet_UserInfo *r)
 820 {
 821         NTSTATUS status;
 822         struct user_info_state *s;
 823 
 824         status = composite_wait(c);
 825 
 826         if (NT_STATUS_IS_OK(status) && r != NULL) {
 827                 struct samr_UserInfo21 *info;
 828 
 829                 s = talloc_get_type(c->private_data, struct user_info_state);
 830                 info = &s->userinfo.out.info.info21;
 831 
 832                 r->out.user_sid = dom_sid_add_rid(mem_ctx, s->ctx->samr.sid, info->rid);
 833                 r->out.primary_group_sid = dom_sid_add_rid(mem_ctx, s->ctx->samr.sid, info->primary_gid);
 834 
 835                 /* string fields */
 836                 r->out.account_name   = talloc_steal(mem_ctx, info->account_name.string);
 837                 r->out.full_name      = talloc_steal(mem_ctx, info->full_name.string);
 838                 r->out.description    = talloc_steal(mem_ctx, info->description.string);
 839                 r->out.home_directory = talloc_steal(mem_ctx, info->home_directory.string);
 840                 r->out.home_drive     = talloc_steal(mem_ctx, info->home_drive.string);
 841                 r->out.comment        = talloc_steal(mem_ctx, info->comment.string);
 842                 r->out.logon_script   = talloc_steal(mem_ctx, info->logon_script.string);
 843                 r->out.profile_path   = talloc_steal(mem_ctx, info->profile_path.string);
 844 
 845                 /* time fields (allocation) */
 846                 r->out.acct_expiry           = talloc(mem_ctx, struct timeval);
 847                 r->out.allow_password_change = talloc(mem_ctx, struct timeval);
 848                 r->out.force_password_change = talloc(mem_ctx, struct timeval);
 849                 r->out.last_logon            = talloc(mem_ctx, struct timeval);
 850                 r->out.last_logoff           = talloc(mem_ctx, struct timeval);
 851                 r->out.last_password_change  = talloc(mem_ctx, struct timeval);
 852                 
 853                 /* time fields (converting) */
 854                 nttime_to_timeval(r->out.acct_expiry, info->acct_expiry);
 855                 nttime_to_timeval(r->out.allow_password_change, info->allow_password_change);
 856                 nttime_to_timeval(r->out.force_password_change, info->force_password_change);
 857                 nttime_to_timeval(r->out.last_logon, info->last_logon);
 858                 nttime_to_timeval(r->out.last_logoff, info->last_logoff);
 859                 nttime_to_timeval(r->out.last_password_change, info->last_password_change);
 860 
 861                 /* flag and number fields */
 862                 r->out.acct_flags = info->acct_flags;
 863 
 864                 r->out.error_string = talloc_strdup(mem_ctx, "Success");
 865 
 866         } else {
 867                 r->out.error_string = talloc_asprintf(mem_ctx, "Error: %s", nt_errstr(status));
 868         }
 869 
 870         talloc_free(c);
 871         
 872         return status;
 873 }
 874 
 875 
 876 /**
 877  * Synchronous version of UserInfo call
 878  *
 879  * @param ctx initialised libnet context
 880  * @param mem_ctx memory context of this call
 881  * @param r pointer to a structure containing arguments and result of this call
 882  * @return nt status
 883  */
 884 NTSTATUS libnet_UserInfo(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
     /* [<][>][^][v][top][bottom][index][help] */
 885                          struct libnet_UserInfo *r)
 886 {
 887         struct composite_context *c;
 888         
 889         c = libnet_UserInfo_send(ctx, mem_ctx, r, NULL);
 890         return libnet_UserInfo_recv(c, mem_ctx, r);
 891 }
 892 
 893 
 894 struct userlist_state {
 895         struct libnet_context *ctx;
 896         const char *domain_name;
 897         struct lsa_DomainInfo dominfo;
 898         int page_size;
 899         uint32_t resume_index;
 900         struct userlist *users;
 901         uint32_t count;
 902 
 903         struct libnet_DomainOpen domain_open;
 904         struct lsa_QueryInfoPolicy query_domain;
 905         struct samr_EnumDomainUsers user_list;
 906 
 907         void (*monitor_fn)(struct monitor_msg*);
 908 };
 909 
 910 
 911 static void continue_lsa_domain_opened(struct composite_context *ctx);
 912 static void continue_domain_queried(struct rpc_request *req);
 913 static void continue_samr_domain_opened(struct composite_context *ctx);
 914 static void continue_users_enumerated(struct rpc_request *req);
 915 
 916 
 917 /**
 918  * Sends request to list (enumerate) user accounts
 919  *
 920  * @param ctx initialised libnet context
 921  * @param mem_ctx memory context of this call
 922  * @param r pointer to structure containing arguments and results of this call
 923  * @param monitor function pointer for receiving monitor messages
 924  * @return compostite context of this request
 925  */
 926 struct composite_context* libnet_UserList_send(struct libnet_context *ctx,
     /* [<][>][^][v][top][bottom][index][help] */
 927                                                TALLOC_CTX *mem_ctx,
 928                                                struct libnet_UserList *r,
 929                                                void (*monitor)(struct monitor_msg*))
 930 {
 931         struct composite_context *c;
 932         struct userlist_state *s;
 933         struct rpc_request *query_req;
 934         bool prereq_met = false;
 935 
 936         /* composite context allocation and setup */
 937         c = composite_create(mem_ctx, ctx->event_ctx);
 938         if (c == NULL) return NULL;
 939 
 940         s = talloc_zero(c, struct userlist_state);
 941         if (composite_nomem(s, c)) return c;
 942 
 943         c->private_data = s;
 944 
 945         /* store the arguments in the state structure */
 946         s->ctx          = ctx;
 947         s->page_size    = r->in.page_size;
 948         s->resume_index = (uint32_t)r->in.resume_index;
 949         s->domain_name  = talloc_strdup(c, r->in.domain_name);
 950         s->monitor_fn   = monitor;
 951 
 952         /* make sure we have lsa domain handle before doing anything */
 953         prereq_met = lsa_domain_opened(ctx, s->domain_name, &c, &s->domain_open,
 954                                        continue_lsa_domain_opened, monitor);
 955         if (!prereq_met) return c;
 956 
 957         /* prepare arguments of QueryDomainInfo call */
 958         s->query_domain.in.handle = &ctx->lsa.handle;
 959         s->query_domain.in.level  = LSA_POLICY_INFO_DOMAIN;
 960         s->query_domain.out.info  = talloc_zero(c, union lsa_PolicyInformation *);
 961         if (composite_nomem(s->query_domain.out.info, c)) return c;
 962 
 963         /* send the request */
 964         query_req = dcerpc_lsa_QueryInfoPolicy_send(ctx->lsa.pipe, c, &s->query_domain);
 965         if (composite_nomem(query_req, c)) return c;
 966 
 967         composite_continue_rpc(c, query_req, continue_domain_queried, c);
 968         return c;
 969 }
 970 
 971 
 972 /*
 973  * Stage 0.5 (optional): receive lsa domain handle and send
 974  * request to query domain info
 975  */
 976 static void continue_lsa_domain_opened(struct composite_context *ctx)
     /* [<][>][^][v][top][bottom][index][help] */
 977 {
 978         struct composite_context *c;
 979         struct userlist_state *s;
 980         struct rpc_request *query_req;
 981         
 982         c = talloc_get_type(ctx->async.private_data, struct composite_context);
 983         s = talloc_get_type(c->private_data, struct userlist_state);
 984         
 985         /* receive lsa domain handle */
 986         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
 987         if (!composite_is_ok(c)) return;
 988 
 989         /* prepare arguments of QueryDomainInfo call */
 990         s->query_domain.in.handle = &s->ctx->lsa.handle;
 991         s->query_domain.in.level  = LSA_POLICY_INFO_DOMAIN;
 992         s->query_domain.out.info  = talloc_zero(c, union lsa_PolicyInformation *);
 993         if (composite_nomem(s->query_domain.out.info, c)) return;
 994 
 995         /* send the request */
 996         query_req = dcerpc_lsa_QueryInfoPolicy_send(s->ctx->lsa.pipe, c, &s->query_domain);
 997         if (composite_nomem(query_req, c)) return;
 998 
 999         composite_continue_rpc(c, query_req, continue_domain_queried, c);
1000 }
1001 
1002 
1003 /*
1004  * Stage 1: receive domain info and request to enum users,
1005  * provided a valid samr handle is opened
1006  */
1007 static void continue_domain_queried(struct rpc_request *req)
     /* [<][>][^][v][top][bottom][index][help] */
1008 {
1009         struct composite_context *c;
1010         struct userlist_state *s;
1011         struct rpc_request *enum_req;
1012         bool prereq_met = false;
1013         
1014         c = talloc_get_type(req->async.private_data, struct composite_context);
1015         s = talloc_get_type(c->private_data, struct userlist_state);
1016 
1017         /* receive result of rpc request */
1018         c->status = dcerpc_ndr_request_recv(req);
1019         if (!composite_is_ok(c)) return;
1020 
1021         /* get the returned domain info */
1022         s->dominfo = (*s->query_domain.out.info)->domain;
1023 
1024         /* make sure we have samr domain handle before continuing */
1025         prereq_met = samr_domain_opened(s->ctx, s->domain_name, &c, &s->domain_open,
1026                                         continue_samr_domain_opened, s->monitor_fn);
1027         if (!prereq_met) return;
1028 
1029         /* prepare arguments of EnumDomainUsers call */
1030         s->user_list.in.domain_handle = &s->ctx->samr.handle;
1031         s->user_list.in.max_size = s->page_size;
1032         s->user_list.in.resume_handle = &s->resume_index;
1033         s->user_list.in.acct_flags = ACB_NORMAL;
1034         s->user_list.out.resume_handle = &s->resume_index;
1035         s->user_list.out.num_entries = talloc(s, uint32_t);
1036         if (composite_nomem(s->user_list.out.num_entries, c)) return;
1037         s->user_list.out.sam = talloc(s, struct samr_SamArray *);
1038         if (composite_nomem(s->user_list.out.sam, c)) return;
1039 
1040         /* send the request */
1041         enum_req = dcerpc_samr_EnumDomainUsers_send(s->ctx->samr.pipe, c, &s->user_list);
1042         if (composite_nomem(enum_req, c)) return;
1043 
1044         composite_continue_rpc(c, enum_req, continue_users_enumerated, c);
1045 }
1046 
1047 
1048 /*
1049  * Stage 1.5 (optional): receive samr domain handle
1050  * and request to enumerate accounts
1051  */
1052 static void continue_samr_domain_opened(struct composite_context *ctx)
     /* [<][>][^][v][top][bottom][index][help] */
1053 {
1054         struct composite_context *c;
1055         struct userlist_state *s;
1056         struct rpc_request *enum_req;
1057 
1058         c = talloc_get_type(ctx->async.private_data, struct composite_context);
1059         s = talloc_get_type(c->private_data, struct userlist_state);
1060 
1061         /* receive samr domain handle */
1062         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
1063         if (!composite_is_ok(c)) return;
1064 
1065         /* prepare arguments of EnumDomainUsers call */
1066         s->user_list.in.domain_handle = &s->ctx->samr.handle;
1067         s->user_list.in.max_size = s->page_size;
1068         s->user_list.in.resume_handle = &s->resume_index;
1069         s->user_list.in.acct_flags = ACB_NORMAL;
1070         s->user_list.out.resume_handle = &s->resume_index;
1071         s->user_list.out.sam = talloc(s, struct samr_SamArray *);
1072         if (composite_nomem(s->user_list.out.sam, c)) return;
1073         s->user_list.out.num_entries = talloc(s, uint32_t);
1074         if (composite_nomem(s->user_list.out.num_entries, c)) return;
1075         
1076         /* send the request */
1077         enum_req = dcerpc_samr_EnumDomainUsers_send(s->ctx->samr.pipe, c, &s->user_list);
1078         if (composite_nomem(enum_req, c)) return;
1079 
1080         composite_continue_rpc(c, enum_req, continue_users_enumerated, c);
1081 }
1082 
1083 
1084 /*
1085  * Stage 2: receive enumerated users and their rids
1086  */
1087 static void continue_users_enumerated(struct rpc_request *req)
     /* [<][>][^][v][top][bottom][index][help] */
1088 {
1089         struct composite_context *c;
1090         struct userlist_state *s;
1091         int i;
1092 
1093         c = talloc_get_type(req->async.private_data, struct composite_context);
1094         s = talloc_get_type(c->private_data, struct userlist_state);
1095 
1096         /* receive result of rpc request */
1097         c->status = dcerpc_ndr_request_recv(req);
1098         if (!composite_is_ok(c)) return;
1099 
1100         /* get the actual status of the rpc call result
1101            (instead of rpc layer status) */
1102         c->status = s->user_list.out.result;
1103 
1104         /* we're interested in status "ok" as well as two
1105            enum-specific status codes */
1106         if (NT_STATUS_IS_OK(c->status) ||
1107             NT_STATUS_EQUAL(c->status, STATUS_MORE_ENTRIES) ||
1108             NT_STATUS_EQUAL(c->status, NT_STATUS_NO_MORE_ENTRIES)) {
1109 
1110                 /* get enumerated accounts counter and resume handle (the latter allows
1111                    making subsequent call to continue enumeration) */
1112                 s->resume_index = *s->user_list.out.resume_handle;
1113                 s->count        = *s->user_list.out.num_entries;
1114                 
1115                 /* prepare returned user accounts array */
1116                 s->users        = talloc_array(c, struct userlist, (*s->user_list.out.sam)->count);
1117                 if (composite_nomem(s->users, c)) return;
1118 
1119                 for (i = 0; i < (*s->user_list.out.sam)->count; i++) {
1120                         struct dom_sid *user_sid;
1121                         struct samr_SamEntry *entry = &(*s->user_list.out.sam)->entries[i];
1122                         struct dom_sid *domain_sid = (*s->query_domain.out.info)->domain.sid;
1123                         
1124                         /* construct user sid from returned rid and queried domain sid */
1125                         user_sid = dom_sid_add_rid(c, domain_sid, entry->idx);
1126                         if (composite_nomem(user_sid, c)) return;
1127                         
1128                         /* username */
1129                         s->users[i].username = talloc_strdup(c, entry->name.string);
1130                         if (composite_nomem(s->users[i].username, c)) return;
1131 
1132                         /* sid string */
1133                         s->users[i].sid = dom_sid_string(c, user_sid);
1134                         if (composite_nomem(s->users[i].sid, c)) return;
1135                 }
1136                 
1137                 /* that's it */
1138                 composite_done(c);
1139 
1140         } else {
1141                 /* something went wrong */
1142                 composite_error(c, c->status);
1143         }
1144 }
1145 
1146 
1147 /**
1148  * Receive result of UserList call
1149  *
1150  * @param c composite context returned by send request routine
1151  * @param mem_ctx memory context of this call
1152  * @param r pointer to structure containing arguments and result of this call
1153  * @return nt status
1154  */
1155 NTSTATUS libnet_UserList_recv(struct composite_context* c, TALLOC_CTX *mem_ctx,
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1156                               struct libnet_UserList *r)
1157 {
1158         NTSTATUS status;
1159         struct userlist_state *s;
1160 
1161         if (c == NULL || mem_ctx == NULL || r == NULL) {
1162                 return NT_STATUS_INVALID_PARAMETER;
1163         }
1164         
1165         status = composite_wait(c);
1166         if (NT_STATUS_IS_OK(status) ||
1167             NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES) ||
1168             NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
1169                 
1170                 s = talloc_get_type(c->private_data, struct userlist_state);
1171                 
1172                 /* get results from composite context */
1173                 r->out.count = s->count;
1174                 r->out.resume_index = s->resume_index;
1175                 r->out.users = talloc_steal(mem_ctx, s->users);
1176                 
1177                 if (NT_STATUS_IS_OK(status)) {
1178                         r->out.error_string = talloc_strdup(mem_ctx, "Success");
1179                 } else {
1180                         /* success, but we're not done yet */
1181                         r->out.error_string = talloc_asprintf(mem_ctx, "Success (status: %s)",
1182                                                               nt_errstr(status));
1183                 }
1184 
1185         } else {
1186                 r->out.error_string = talloc_asprintf(mem_ctx, "Error: %s", nt_errstr(status));
1187         }
1188 
1189         return status;
1190 }
1191 
1192 
1193 /**
1194  * Synchronous version of UserList call
1195  *
1196  * @param ctx initialised libnet context
1197  * @param mem_ctx memory context of this call
1198  * @param r pointer to structure containing arguments and result of this call
1199  * @return nt status
1200  */
1201 NTSTATUS libnet_UserList(struct libnet_context *ctx,
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1202                          TALLOC_CTX *mem_ctx,
1203                          struct libnet_UserList *r)
1204 {
1205         struct composite_context *c;
1206 
1207         c = libnet_UserList_send(ctx, mem_ctx, r, NULL);
1208         return libnet_UserList_recv(c, mem_ctx, r);
1209 }

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