LCOV - code coverage report
Current view: top level - source4/libnet - libnet_group.c (source / functions) Hit Total Coverage
Test: coverage report for master 469b22b8 Lines: 218 308 70.8 %
Date: 2024-06-10 12:05:21 Functions: 18 18 100.0 %

          Line data    Source code
       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           1 : 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           0 :         struct composite_context *c;
      52           0 :         struct create_group_state *s;
      53           0 :         struct composite_context *create_req;
      54           1 :         bool prereq_met = false;
      55             : 
      56             :         /* composite context allocation and setup */
      57           1 :         c = composite_create(mem_ctx, ctx->event_ctx);
      58           1 :         if (c == NULL) return NULL;
      59             : 
      60           1 :         s = talloc_zero(c, struct create_group_state);
      61           1 :         if (composite_nomem(s, c)) return c;
      62             : 
      63           1 :         c->private_data = s;
      64             : 
      65           1 :         s->ctx = ctx;
      66           1 :         s->r   = *r;
      67           1 :         ZERO_STRUCT(s->r.out);
      68             : 
      69             :         /* prerequisite: make sure we have a valid samr domain handle */
      70           1 :         prereq_met = samr_domain_opened(ctx, c, s->r.in.domain_name, &c, &s->domain_open,
      71             :                                         continue_domain_opened, monitor);
      72           1 :         if (!prereq_met) return c;
      73             : 
      74             :         /* prepare arguments of rpc group add call */
      75           0 :         s->group_add.in.groupname     = r->in.group_name;
      76           0 :         s->group_add.in.domain_handle = ctx->samr.handle;
      77             : 
      78             :         /* send the request */
      79           0 :         create_req = libnet_rpc_groupadd_send(s, s->ctx->event_ctx,
      80             :                                               ctx->samr.samr_handle,
      81             :                                               &s->group_add, monitor);
      82           0 :         if (composite_nomem(create_req, c)) return c;
      83             : 
      84           0 :         composite_continue(c, create_req, continue_rpc_group_added, c);
      85           0 :         return c;
      86             : }
      87             : 
      88             : 
      89           1 : static void continue_domain_opened(struct composite_context *ctx)
      90             : {
      91           0 :         struct composite_context *c;
      92           0 :         struct create_group_state *s;
      93           0 :         struct composite_context *create_req;
      94             :         
      95           1 :         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
      96           1 :         s = talloc_get_type_abort(c->private_data, struct create_group_state);
      97             : 
      98           1 :         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
      99           1 :         if (!composite_is_ok(c)) return;
     100             : 
     101             :         /* prepare arguments of groupadd call */
     102           1 :         s->group_add.in.groupname     = s->r.in.group_name;
     103           1 :         s->group_add.in.domain_handle = s->ctx->samr.handle;
     104             : 
     105             :         /* send the request */
     106           1 :         create_req = libnet_rpc_groupadd_send(s, s->ctx->event_ctx,
     107           1 :                                               s->ctx->samr.samr_handle,
     108             :                                               &s->group_add, s->monitor_fn);
     109           1 :         if (composite_nomem(create_req, c)) return;
     110             : 
     111           1 :         composite_continue(c, create_req, continue_rpc_group_added, c);
     112             : }
     113             : 
     114             : 
     115           1 : static void continue_rpc_group_added(struct composite_context *ctx)
     116             : {
     117           0 :         struct composite_context *c;
     118           0 :         struct create_group_state *s;
     119             : 
     120           1 :         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
     121           1 :         s = talloc_get_type_abort(c->private_data, struct create_group_state);
     122             : 
     123             :         /* receive result of group add call */
     124           1 :         c->status = libnet_rpc_groupadd_recv(ctx, c, &s->group_add);
     125           1 :         if (!composite_is_ok(c)) return;
     126             : 
     127             :         /* we're done */
     128           1 :         composite_done(c);
     129             : }
     130             : 
     131             : 
     132             : /**
     133             :  * Receive result of CreateGroup call
     134             :  *
     135             :  * @param c composite context returned by send request routine
     136             :  * @param mem_ctx memory context of this call
     137             :  * @param r pointer to a structure containing arguments and result of this call
     138             :  * @return nt status
     139             :  */
     140           1 : NTSTATUS libnet_CreateGroup_recv(struct composite_context *c,
     141             :                                  TALLOC_CTX *mem_ctx,
     142             :                                  struct libnet_CreateGroup *r)
     143             : {
     144           0 :         NTSTATUS status;
     145             : 
     146           1 :         status = composite_wait(c);
     147           1 :         if (!NT_STATUS_IS_OK(status)) {
     148           0 :                 r->out.error_string = talloc_strdup(mem_ctx, nt_errstr(status));
     149             :         }
     150             : 
     151           1 :         talloc_free(c);
     152           1 :         return status;
     153             : }
     154             : 
     155             : 
     156             : /**
     157             :  * Create domain group
     158             :  *
     159             :  * @param ctx initialised libnet context
     160             :  * @param mem_ctx memory context of this call
     161             :  * @param io pointer to structure containing arguments and result of this call
     162             :  * @return nt status
     163             :  */
     164           1 : NTSTATUS libnet_CreateGroup(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
     165             :                             struct libnet_CreateGroup *io)
     166             : {
     167           0 :         struct composite_context *c;
     168             : 
     169           1 :         c = libnet_CreateGroup_send(ctx, mem_ctx, io, NULL);
     170           1 :         return libnet_CreateGroup_recv(c, mem_ctx, io);
     171             : }
     172             : 
     173             : 
     174             : struct group_info_state {
     175             :         struct libnet_context *ctx;
     176             :         const char *domain_name;
     177             :         enum libnet_GroupInfo_level level;
     178             :         const char *group_name;
     179             :         const char *sid_string;
     180             :         struct libnet_LookupName lookup;
     181             :         struct libnet_DomainOpen domopen;
     182             :         struct libnet_rpc_groupinfo info;
     183             :         
     184             :         /* information about the progress */
     185             :         void (*monitor_fn)(struct monitor_msg *);
     186             : };
     187             : 
     188             : 
     189             : static void continue_domain_open_info(struct composite_context *ctx);
     190             : static void continue_name_found(struct composite_context *ctx);
     191             : static void continue_group_info(struct composite_context *ctx);
     192             : 
     193             : /**
     194             :  * Sends request to get group information
     195             :  *
     196             :  * @param ctx initialised libnet context
     197             :  * @param mem_ctx memory context of this call
     198             :  * @param io pointer to structure containing arguments the call
     199             :  * @param monitor function pointer for receiving monitor messages
     200             :  * @return composite context of this request
     201             :  */
     202           1 : struct composite_context* libnet_GroupInfo_send(struct libnet_context *ctx,
     203             :                                                 TALLOC_CTX *mem_ctx,
     204             :                                                 struct libnet_GroupInfo *io,
     205             :                                                 void (*monitor)(struct monitor_msg*))
     206             : {
     207           0 :         struct composite_context *c;
     208           0 :         struct group_info_state *s;
     209           1 :         bool prereq_met = false;
     210           0 :         struct composite_context *lookup_req, *info_req;
     211             : 
     212             :         /* composite context allocation and setup */
     213           1 :         c = composite_create(mem_ctx, ctx->event_ctx);
     214           1 :         if (c == NULL) return NULL;
     215             : 
     216           1 :         s = talloc_zero(c, struct group_info_state);
     217           1 :         if (composite_nomem(s, c)) return c;
     218             : 
     219           1 :         c->private_data = s;
     220             : 
     221             :         /* store arguments in the state structure */
     222           1 :         s->monitor_fn = monitor;
     223           1 :         s->ctx = ctx;
     224           1 :         s->domain_name = talloc_strdup(c, io->in.domain_name);
     225           1 :         s->level = io->in.level;
     226           1 :         switch(s->level) {
     227           1 :         case GROUP_INFO_BY_NAME:
     228           1 :                 s->group_name = talloc_strdup(c, io->in.data.group_name);
     229           1 :                 s->sid_string = NULL;
     230           1 :                 break;
     231           0 :         case GROUP_INFO_BY_SID:
     232           0 :                 s->group_name = NULL;
     233           0 :                 s->sid_string = dom_sid_string(c, io->in.data.group_sid);
     234           0 :                 break;
     235             :         }
     236             : 
     237             :         /* prerequisite: make sure the domain is opened */
     238           1 :         prereq_met = samr_domain_opened(ctx, c, s->domain_name, &c, &s->domopen,
     239             :                                         continue_domain_open_info, monitor);
     240           1 :         if (!prereq_met) return c;
     241             : 
     242           0 :         switch(s->level) {
     243           0 :         case GROUP_INFO_BY_NAME:
     244             :                 /* prepare arguments for LookupName call */
     245           0 :                 s->lookup.in.name        = s->group_name;
     246           0 :                 s->lookup.in.domain_name = s->domain_name;
     247             : 
     248             :                 /* send the request */
     249           0 :                 lookup_req = libnet_LookupName_send(s->ctx, c, &s->lookup, s->monitor_fn);
     250           0 :                 if (composite_nomem(lookup_req, c)) return c;
     251             : 
     252             :                 /* set the next stage */
     253           0 :                 composite_continue(c, lookup_req, continue_name_found, c);
     254           0 :                 break;
     255           0 :         case GROUP_INFO_BY_SID:
     256             :                 /* prepare arguments for groupinfo call */
     257           0 :                 s->info.in.domain_handle = s->ctx->samr.handle;
     258           0 :                 s->info.in.sid           = s->sid_string;
     259             :                 /* we're looking for all information available */
     260           0 :                 s->info.in.level         = GROUPINFOALL;
     261             : 
     262             :                 /* send the request */
     263           0 :                 info_req = libnet_rpc_groupinfo_send(s, s->ctx->event_ctx,
     264           0 :                                                      s->ctx->samr.samr_handle,
     265             :                                                      &s->info, s->monitor_fn);
     266           0 :                 if (composite_nomem(info_req, c)) return c;
     267             : 
     268             :                 /* set the next stage */
     269           0 :                 composite_continue(c, info_req, continue_group_info, c);
     270           0 :                 break;
     271             :         }
     272             : 
     273           0 :         return c;
     274             : }
     275             : 
     276             : 
     277             : /*
     278             :  * Stage 0.5 (optional): receive opened domain and send lookup name request
     279             :  */
     280           1 : static void continue_domain_open_info(struct composite_context *ctx)
     281             : {
     282           0 :         struct composite_context *c;
     283           0 :         struct group_info_state *s;
     284           0 :         struct composite_context *lookup_req, *info_req;
     285             :         
     286           1 :         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
     287           1 :         s = talloc_get_type_abort(c->private_data, struct group_info_state);
     288             :         
     289             :         /* receive domain handle */
     290           1 :         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domopen);
     291           1 :         if (!composite_is_ok(c)) return;
     292             : 
     293           1 :         switch(s->level) {
     294           1 :         case GROUP_INFO_BY_NAME:
     295             :                 /* prepare arguments for LookupName call */
     296           1 :                 s->lookup.in.name        = s->group_name;
     297           1 :                 s->lookup.in.domain_name = s->domain_name;
     298             : 
     299             :                 /* send the request */
     300           1 :                 lookup_req = libnet_LookupName_send(s->ctx, c, &s->lookup, s->monitor_fn);
     301           1 :                 if (composite_nomem(lookup_req, c)) return;
     302             : 
     303             :                 /* set the next stage */
     304           1 :                 composite_continue(c, lookup_req, continue_name_found, c);
     305           1 :                 break;
     306           0 :         case GROUP_INFO_BY_SID:
     307             :                 /* prepare arguments for groupinfo call */
     308           0 :                 s->info.in.domain_handle = s->ctx->samr.handle;
     309           0 :                 s->info.in.sid           = s->sid_string;
     310             :                 /* we're looking for all information available */
     311           0 :                 s->info.in.level         = GROUPINFOALL;
     312             : 
     313             :                 /* send the request */
     314           0 :                 info_req = libnet_rpc_groupinfo_send(s, s->ctx->event_ctx,
     315           0 :                                                      s->ctx->samr.samr_handle,
     316             :                                                      &s->info, s->monitor_fn);
     317           0 :                 if (composite_nomem(info_req, c)) return;
     318             : 
     319             :                 /* set the next stage */
     320           0 :                 composite_continue(c, info_req, continue_group_info, c);
     321           0 :                 break;
     322             : 
     323             :         }
     324             : }
     325             : 
     326             : 
     327             : /*
     328             :  * Stage 1: Receive SID found and send request for group info
     329             :  */
     330           1 : static void continue_name_found(struct composite_context *ctx)
     331             : {
     332           0 :         struct composite_context *c;
     333           0 :         struct group_info_state *s;
     334           0 :         struct composite_context *info_req;
     335             : 
     336           1 :         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
     337           1 :         s = talloc_get_type_abort(c->private_data, struct group_info_state);
     338             : 
     339             :         /* receive SID associated with name found */
     340           1 :         c->status = libnet_LookupName_recv(ctx, c, &s->lookup);
     341           1 :         if (!composite_is_ok(c)) return;
     342             : 
     343             :         /* Is it a group SID actually ? */
     344           1 :         if (s->lookup.out.sid_type != SID_NAME_DOM_GRP &&
     345           0 :             s->lookup.out.sid_type != SID_NAME_ALIAS) {
     346           0 :                 composite_error(c, NT_STATUS_NO_SUCH_GROUP);
     347           0 :                 return;
     348             :         }
     349             : 
     350             :         /* prepare arguments for groupinfo call */
     351           1 :         s->info.in.domain_handle = s->ctx->samr.handle;
     352           1 :         s->info.in.groupname     = s->group_name;
     353           1 :         s->info.in.sid           = s->lookup.out.sidstr;
     354             :         /* we're looking for all information available */
     355           1 :         s->info.in.level         = GROUPINFOALL;
     356             : 
     357             :         /* send the request */
     358           1 :         info_req = libnet_rpc_groupinfo_send(s, s->ctx->event_ctx,
     359           1 :                                              s->ctx->samr.samr_handle,
     360             :                                              &s->info, s->monitor_fn);
     361           1 :         if (composite_nomem(info_req, c)) return;
     362             : 
     363             :         /* set the next stage */
     364           1 :         composite_continue(c, info_req, continue_group_info, c);
     365             : }
     366             : 
     367             : 
     368             : /*
     369             :  * Stage 2: Receive group information
     370             :  */
     371           1 : static void continue_group_info(struct composite_context *ctx)
     372             : {
     373           0 :         struct composite_context *c;
     374           0 :         struct group_info_state *s;
     375             : 
     376           1 :         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
     377           1 :         s = talloc_get_type_abort(c->private_data, struct group_info_state);
     378             : 
     379             :         /* receive group information */
     380           1 :         c->status = libnet_rpc_groupinfo_recv(ctx, c, &s->info);
     381           1 :         if (!composite_is_ok(c)) return;
     382             : 
     383             :         /* we're done */
     384           1 :         composite_done(c);
     385             : }
     386             : 
     387             : 
     388             : /*
     389             :  * Receive group information
     390             :  *
     391             :  * @param c composite context returned by libnet_GroupInfo_send
     392             :  * @param mem_ctx memory context of this call
     393             :  * @param io pointer to structure receiving results of the call
     394             :  * @result nt status
     395             :  */
     396           1 : NTSTATUS libnet_GroupInfo_recv(struct composite_context* c, TALLOC_CTX *mem_ctx,
     397             :                                struct libnet_GroupInfo *io)
     398             : {
     399           0 :         NTSTATUS status;
     400           0 :         struct group_info_state *s;
     401             :         
     402           1 :         status = composite_wait(c);
     403           1 :         if (NT_STATUS_IS_OK(status)) {
     404             :                 /* put the results into io structure if everything went fine */
     405           1 :                 s = talloc_get_type_abort(c->private_data, struct group_info_state);
     406             : 
     407           1 :                 io->out.group_name = talloc_steal(mem_ctx,
     408             :                                         s->info.out.info.all.name.string);
     409           1 :                 io->out.group_sid = talloc_steal(mem_ctx, s->lookup.out.sid);
     410           1 :                 io->out.num_members = s->info.out.info.all.num_members;
     411           1 :                 io->out.description = talloc_steal(mem_ctx, s->info.out.info.all.description.string);
     412             : 
     413           1 :                 io->out.error_string = talloc_strdup(mem_ctx, "Success");
     414             : 
     415             :         } else {
     416           0 :                 io->out.error_string = talloc_asprintf(mem_ctx, "Error: %s", nt_errstr(status));
     417             :         }
     418             : 
     419           1 :         talloc_free(c);
     420           1 :         return status;
     421             : }
     422             : 
     423             : 
     424             : /**
     425             :  * Obtains specified group information
     426             :  * 
     427             :  * @param ctx initialised libnet context
     428             :  * @param mem_ctx memory context of the call
     429             :  * @param io pointer to a structure containing arguments and results of the call
     430             :  */
     431           1 : NTSTATUS libnet_GroupInfo(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
     432             :                           struct libnet_GroupInfo *io)
     433             : {
     434           1 :         struct composite_context *c = libnet_GroupInfo_send(ctx, mem_ctx,
     435             :                                                             io, NULL);
     436           1 :         return libnet_GroupInfo_recv(c, mem_ctx, io);
     437             : }
     438             : 
     439             : 
     440             : struct grouplist_state {
     441             :         struct libnet_context *ctx;
     442             :         const char *domain_name;
     443             :         struct lsa_DomainInfo dominfo;
     444             :         int page_size;
     445             :         uint32_t resume_index;
     446             :         struct grouplist *groups;
     447             :         uint32_t count;
     448             : 
     449             :         struct libnet_DomainOpen domain_open;
     450             :         struct lsa_QueryInfoPolicy query_domain;
     451             :         struct samr_EnumDomainGroups group_list;
     452             : 
     453             :         void (*monitor_fn)(struct monitor_msg*);
     454             : };
     455             : 
     456             : 
     457             : static void continue_lsa_domain_opened(struct composite_context *ctx);
     458             : static void continue_domain_queried(struct tevent_req *subreq);
     459             : static void continue_samr_domain_opened(struct composite_context *ctx);
     460             : static void continue_groups_enumerated(struct tevent_req *subreq);
     461             : 
     462             : 
     463             : /**
     464             :  * Sends request to list (enumerate) group accounts
     465             :  *
     466             :  * @param ctx initialised libnet context
     467             :  * @param mem_ctx memory context of this call
     468             :  * @param io pointer to structure containing arguments and results of this call
     469             :  * @param monitor function pointer for receiving monitor messages
     470             :  * @return compostite context of this request
     471             :  */
     472           5 : struct composite_context *libnet_GroupList_send(struct libnet_context *ctx,
     473             :                                                 TALLOC_CTX *mem_ctx,
     474             :                                                 struct libnet_GroupList *io,
     475             :                                                 void (*monitor)(struct monitor_msg*))
     476             : {
     477           0 :         struct composite_context *c;
     478           0 :         struct grouplist_state *s;
     479           0 :         struct tevent_req *subreq;
     480           5 :         bool prereq_met = false;
     481             : 
     482             :         /* composite context allocation and setup */
     483           5 :         c = composite_create(mem_ctx, ctx->event_ctx);
     484           5 :         if (c == NULL) return NULL;
     485             : 
     486           5 :         s = talloc_zero(c, struct grouplist_state);
     487           5 :         if (composite_nomem(s, c)) return c;
     488             :         
     489           5 :         c->private_data = s;
     490             : 
     491             :         /* store the arguments in the state structure */
     492           5 :         s->ctx          = ctx;
     493           5 :         s->page_size    = io->in.page_size;
     494           5 :         s->resume_index = io->in.resume_index;
     495           5 :         s->domain_name  = talloc_strdup(c, io->in.domain_name);
     496           5 :         s->monitor_fn   = monitor;
     497             : 
     498             :         /* make sure we have lsa domain handle before doing anything */
     499           5 :         prereq_met = lsa_domain_opened(ctx, c, s->domain_name, &c, &s->domain_open,
     500             :                                        continue_lsa_domain_opened, monitor);
     501           5 :         if (!prereq_met) return c;
     502             : 
     503             :         /* prepare arguments of QueryDomainInfo call */
     504           4 :         s->query_domain.in.handle = &ctx->lsa.handle;
     505           4 :         s->query_domain.in.level  = LSA_POLICY_INFO_DOMAIN;
     506           4 :         s->query_domain.out.info  = talloc_zero(c, union lsa_PolicyInformation *);
     507           4 :         if (composite_nomem(s->query_domain.out.info, c)) return c;
     508             : 
     509             :         /* send the request */
     510           4 :         subreq = dcerpc_lsa_QueryInfoPolicy_r_send(s, c->event_ctx,
     511           4 :                                                    ctx->lsa.pipe->binding_handle,
     512             :                                                    &s->query_domain);
     513           4 :         if (composite_nomem(subreq, c)) return c;
     514             :         
     515           4 :         tevent_req_set_callback(subreq, continue_domain_queried, c);
     516           4 :         return c;
     517             : }
     518             : 
     519             : 
     520             : /*
     521             :  * Stage 0.5 (optional): receive lsa domain handle and send
     522             :  * request to query domain info
     523             :  */
     524           1 : static void continue_lsa_domain_opened(struct composite_context *ctx)
     525             : {
     526           0 :         struct composite_context *c;
     527           0 :         struct grouplist_state *s;
     528           0 :         struct tevent_req *subreq;
     529             :         
     530           1 :         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
     531           1 :         s = talloc_get_type_abort(c->private_data, struct grouplist_state);
     532             : 
     533             :         /* receive lsa domain handle */
     534           1 :         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
     535           1 :         if (!composite_is_ok(c)) return;
     536             : 
     537             :         /* prepare arguments of QueryDomainInfo call */
     538           1 :         s->query_domain.in.handle = &s->ctx->lsa.handle;
     539           1 :         s->query_domain.in.level  = LSA_POLICY_INFO_DOMAIN;
     540           1 :         s->query_domain.out.info  = talloc_zero(c, union lsa_PolicyInformation *);
     541           1 :         if (composite_nomem(s->query_domain.out.info, c)) return;
     542             : 
     543             :         /* send the request */
     544           1 :         subreq = dcerpc_lsa_QueryInfoPolicy_r_send(s, c->event_ctx,
     545           1 :                                                    s->ctx->lsa.pipe->binding_handle,
     546             :                                                    &s->query_domain);
     547           1 :         if (composite_nomem(subreq, c)) return;
     548             : 
     549           1 :         tevent_req_set_callback(subreq, continue_domain_queried, c);
     550             : }
     551             : 
     552             : 
     553             : /*
     554             :  * Stage 1: receive domain info and request to enum groups
     555             :  * provided a valid samr handle is opened
     556             :  */
     557           5 : static void continue_domain_queried(struct tevent_req *subreq)
     558             : {
     559           0 :         struct composite_context *c;
     560           0 :         struct grouplist_state *s;
     561           5 :         bool prereq_met = false;
     562             :         
     563           5 :         c = tevent_req_callback_data(subreq, struct composite_context);
     564           5 :         s = talloc_get_type_abort(c->private_data, struct grouplist_state);
     565             : 
     566             :         /* receive result of rpc request */
     567           5 :         c->status = dcerpc_lsa_QueryInfoPolicy_r_recv(subreq, s);
     568           5 :         TALLOC_FREE(subreq);
     569           6 :         if (!composite_is_ok(c)) return;
     570             : 
     571             :         /* get the returned domain info */
     572           5 :         s->dominfo = (*s->query_domain.out.info)->domain;
     573             : 
     574             :         /* make sure we have samr domain handle before continuing */
     575           5 :         prereq_met = samr_domain_opened(s->ctx, c, s->domain_name, &c, &s->domain_open,
     576             :                                         continue_samr_domain_opened, s->monitor_fn);
     577           5 :         if (!prereq_met) return;
     578             : 
     579             :         /* prepare arguments od EnumDomainGroups call */
     580           4 :         s->group_list.in.domain_handle  = &s->ctx->samr.handle;
     581           4 :         s->group_list.in.max_size       = s->page_size;
     582           4 :         s->group_list.in.resume_handle  = &s->resume_index;
     583           4 :         s->group_list.out.resume_handle = &s->resume_index;
     584           4 :         s->group_list.out.num_entries   = talloc(s, uint32_t);
     585           4 :         if (composite_nomem(s->group_list.out.num_entries, c)) return;
     586           4 :         s->group_list.out.sam           = talloc(s, struct samr_SamArray *);
     587           4 :         if (composite_nomem(s->group_list.out.sam, c)) return;
     588             : 
     589             :         /* send the request */
     590           4 :         subreq = dcerpc_samr_EnumDomainGroups_r_send(s, c->event_ctx,
     591           4 :                                                      s->ctx->samr.pipe->binding_handle,
     592             :                                                      &s->group_list);
     593           4 :         if (composite_nomem(subreq, c)) return;
     594             : 
     595           4 :         tevent_req_set_callback(subreq, continue_groups_enumerated, c);
     596             : }
     597             : 
     598             : 
     599             : /*
     600             :  * Stage 1.5 (optional): receive samr domain handle
     601             :  * and request to enumerate accounts
     602             :  */
     603           1 : static void continue_samr_domain_opened(struct composite_context *ctx)
     604             : {
     605           0 :         struct composite_context *c;
     606           0 :         struct grouplist_state *s;
     607           0 :         struct tevent_req *subreq;
     608             : 
     609           1 :         c = talloc_get_type_abort(ctx->async.private_data, struct composite_context);
     610           1 :         s = talloc_get_type_abort(c->private_data, struct grouplist_state);
     611             : 
     612             :         /* receive samr domain handle */
     613           1 :         c->status = libnet_DomainOpen_recv(ctx, s->ctx, c, &s->domain_open);
     614           1 :         if (!composite_is_ok(c)) return;
     615             : 
     616             :         /* prepare arguments of EnumDomainGroups call */
     617           1 :         s->group_list.in.domain_handle  = &s->ctx->samr.handle;
     618           1 :         s->group_list.in.max_size       = s->page_size;
     619           1 :         s->group_list.in.resume_handle  = &s->resume_index;
     620           1 :         s->group_list.out.resume_handle = &s->resume_index;
     621           1 :         s->group_list.out.num_entries   = talloc(s, uint32_t);
     622           1 :         if (composite_nomem(s->group_list.out.num_entries, c)) return;
     623           1 :         s->group_list.out.sam           = talloc(s, struct samr_SamArray *);
     624           1 :         if (composite_nomem(s->group_list.out.sam, c)) return;
     625             : 
     626             :         /* send the request */
     627           1 :         subreq = dcerpc_samr_EnumDomainGroups_r_send(s, c->event_ctx,
     628           1 :                                                      s->ctx->samr.pipe->binding_handle,
     629             :                                                      &s->group_list);
     630           1 :         if (composite_nomem(subreq, c)) return;
     631             : 
     632           1 :         tevent_req_set_callback(subreq, continue_groups_enumerated, c);
     633             : }
     634             : 
     635             : 
     636             : /*
     637             :  * Stage 2: receive enumerated groups and their rids
     638             :  */
     639           5 : static void continue_groups_enumerated(struct tevent_req *subreq)
     640             : {
     641           0 :         struct composite_context *c;
     642           0 :         struct grouplist_state *s;
     643           0 :         uint32_t i;
     644             : 
     645           5 :         c = tevent_req_callback_data(subreq, struct composite_context);
     646           5 :         s = talloc_get_type_abort(c->private_data, struct grouplist_state);
     647             : 
     648             :         /* receive result of rpc request */
     649           5 :         c->status = dcerpc_samr_EnumDomainGroups_r_recv(subreq, s);
     650           5 :         TALLOC_FREE(subreq);
     651           5 :         if (!composite_is_ok(c)) return;
     652             : 
     653             :         /* get the actual status of the rpc call result
     654             :            (instead of rpc layer) */
     655           5 :         c->status = s->group_list.out.result;
     656             : 
     657             :         /* we're interested in status "ok" as well as two
     658             :            enum-specific status codes */
     659           5 :         if (NT_STATUS_IS_OK(c->status) ||
     660           4 :             NT_STATUS_EQUAL(c->status, STATUS_MORE_ENTRIES) ||
     661           0 :             NT_STATUS_EQUAL(c->status, NT_STATUS_NO_MORE_ENTRIES)) {
     662             :                 
     663             :                 /* get enumerated accounts counter and resume handle (the latter allows
     664             :                    making subsequent call to continue enumeration) */
     665           5 :                 s->resume_index = *s->group_list.out.resume_handle;
     666           5 :                 s->count        = *s->group_list.out.num_entries;
     667             : 
     668             :                 /* prepare returned group accounts array */
     669           5 :                 s->groups       = talloc_array(c, struct grouplist, (*s->group_list.out.sam)->count);
     670           5 :                 if (composite_nomem(s->groups, c)) return;
     671             : 
     672          18 :                 for (i = 0; i < (*s->group_list.out.sam)->count; i++) {
     673           0 :                         struct dom_sid *group_sid;
     674          13 :                         struct samr_SamEntry *entry = &(*s->group_list.out.sam)->entries[i];
     675          13 :                         struct dom_sid *domain_sid = (*s->query_domain.out.info)->domain.sid;
     676             :                         
     677             :                         /* construct group sid from returned rid and queried domain sid */
     678          13 :                         group_sid = dom_sid_add_rid(c, domain_sid, entry->idx);
     679          13 :                         if (composite_nomem(group_sid, c)) return;
     680             : 
     681             :                         /* groupname */
     682          13 :                         s->groups[i].groupname = talloc_strdup(s->groups, entry->name.string);
     683          13 :                         if (composite_nomem(s->groups[i].groupname, c)) return;
     684             : 
     685             :                         /* sid string */
     686          13 :                         s->groups[i].sid = dom_sid_string(s->groups, group_sid);
     687          13 :                         if (composite_nomem(s->groups[i].sid, c)) return;
     688             :                 }
     689             : 
     690             :                 /* that's it */
     691           5 :                 composite_done(c);
     692           5 :                 return;
     693             :         } else {
     694             :                 /* something went wrong */
     695           0 :                 composite_error(c, c->status);
     696           0 :                 return;
     697             :         }
     698             : }
     699             : 
     700             : 
     701             : /**
     702             :  * Receive result of GroupList call
     703             :  *
     704             :  * @param c composite context returned by send request routine
     705             :  * @param mem_ctx memory context of this call
     706             :  * @param io pointer to structure containing arguments and result of this call
     707             :  * @param nt status
     708             :  */
     709           5 : NTSTATUS libnet_GroupList_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
     710             :                                struct libnet_GroupList *io)
     711             : {
     712           0 :         NTSTATUS status;
     713           0 :         struct grouplist_state *s;
     714             : 
     715           5 :         if (c == NULL || mem_ctx == NULL || io == NULL) {
     716           0 :                 talloc_free(c);
     717           0 :                 return NT_STATUS_INVALID_PARAMETER;
     718             :         }
     719             : 
     720           5 :         status = composite_wait(c);
     721           5 :         if (NT_STATUS_IS_OK(status) ||
     722           4 :             NT_STATUS_EQUAL(status, STATUS_MORE_ENTRIES) ||
     723           0 :             NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
     724             :                 
     725           5 :                 s = talloc_get_type_abort(c->private_data, struct grouplist_state);
     726             :                 
     727             :                 /* get results from composite context */
     728           5 :                 io->out.count        = s->count;
     729           5 :                 io->out.resume_index = s->resume_index;
     730           5 :                 io->out.groups       = talloc_steal(mem_ctx, s->groups);
     731             : 
     732           5 :                 if (NT_STATUS_IS_OK(status)) {
     733           1 :                         io->out.error_string = talloc_asprintf(mem_ctx, "Success");
     734             :                 } else {
     735             :                         /* success, but we're not done yet */
     736           4 :                         io->out.error_string = talloc_asprintf(mem_ctx, "Success (status: %s)",
     737             :                                                                nt_errstr(status));
     738             :                 }
     739             : 
     740             :         } else {
     741           0 :                 io->out.error_string = talloc_asprintf(mem_ctx, "Error: %s", nt_errstr(status));
     742             :         }
     743             : 
     744           5 :         talloc_free(c);
     745           5 :         return status;
     746             : }
     747             : 
     748             : 
     749             : /**
     750             :  * Enumerate domain groups
     751             :  *
     752             :  * @param ctx initialised libnet context
     753             :  * @param mem_ctx memory context of this call
     754             :  * @param io pointer to structure containing arguments and result of this call
     755             :  * @return nt status
     756             :  */
     757           5 : NTSTATUS libnet_GroupList(struct libnet_context *ctx, TALLOC_CTX *mem_ctx,
     758             :                           struct libnet_GroupList *io)
     759             : {
     760           0 :         struct composite_context *c;
     761             : 
     762           5 :         c = libnet_GroupList_send(ctx, mem_ctx, io, NULL);
     763           5 :         return libnet_GroupList_recv(c, mem_ctx, io);
     764             : }

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