source4/libnet/groupman.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Copyright (C) Rafal Szczesniak 2007
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 /*
  21   a composite function for manipulating (add/edit/del) groups via samr pipe
  22 */
  23
  24 #include "includes.h"
  25 #include "libcli/composite/composite.h"
  26 #include "libnet/libnet.h"
  27 #include "librpc/gen_ndr/ndr_samr_c.h"
  28
  29
  30 struct groupadd_state {
  31         struct dcerpc_pipe *pipe;
  32         struct policy_handle domain_handle;
  33         struct samr_CreateDomainGroup creategroup;
  34         struct policy_handle group_handle;
  35         uint32_t group_rid;
  36
  37         void (*monitor_fn)(struct monitor_msg*);
  38 };
  39
  40
  41 static void continue_groupadd_created(struct tevent_req *subreq);
  42
  43
  44 struct composite_context* libnet_rpc_groupadd_send(struct dcerpc_pipe *p,
  45                                                    TALLOC_CTX *mem_ctx,
  46                                                    struct libnet_rpc_groupadd *io,
  47                                                    void (*monitor)(struct monitor_msg*))
  48 {
  49         struct composite_context *c;
  50         struct groupadd_state *s;
  51         struct tevent_req *subreq;
  52
  53         if (!p || !io) return NULL;
  54
  55         c = composite_create(mem_ctx, dcerpc_event_context(p));
  56         if (c == NULL) return NULL;
  57
  58         s = talloc_zero(c, struct groupadd_state);
  59         if (composite_nomem(s, c)) return c;
  60
  61         c->private_data = s;
  62
  63         s->domain_handle = io->in.domain_handle;
  64         s->pipe          = p;
  65         s->monitor_fn    = monitor;
  66
  67         s->creategroup.in.domain_handle  = &s->domain_handle;
  68
  69         s->creategroup.in.name           = talloc_zero(c, struct lsa_String);
  70         if (composite_nomem(s->creategroup.in.name, c)) return c;
  71
  72         s->creategroup.in.name->string   = talloc_strdup(c, io->in.groupname);
  73         if (composite_nomem(s->creategroup.in.name->string, c)) return c;
  74
  75         s->creategroup.in.access_mask    = 0;
  76
  77         s->creategroup.out.group_handle  = &s->group_handle;
  78         s->creategroup.out.rid           = &s->group_rid;
  79
  80         subreq = dcerpc_samr_CreateDomainGroup_r_send(s, c->event_ctx,
  81                                                       s->pipe->binding_handle,
  82                                                       &s->creategroup);
  83         if (composite_nomem(subreq, c)) return c;
  84
  85         tevent_req_set_callback(subreq, continue_groupadd_created, c);
  86         return c;
  87 }
  88
  89
  90 NTSTATUS libnet_rpc_groupadd_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
  91                                   struct libnet_rpc_groupadd *io)
  92 {
  93         NTSTATUS status;
  94         struct groupadd_state *s;
  95
  96         status = composite_wait(c);
  97         if (NT_STATUS_IS_OK(status) && io) {
  98                 s = talloc_get_type(c->private_data, struct groupadd_state);
  99                 io->out.group_handle = s->group_handle;
 100         }
 101
 102         talloc_free(c);
 103         return status;
 104 }
 105
 106
 107 static void continue_groupadd_created(struct tevent_req *subreq)
 108 {
 109         struct composite_context *c;
 110         struct groupadd_state *s;
 111
 112         c = tevent_req_callback_data(subreq, struct composite_context);
 113         s = talloc_get_type(c->private_data, struct groupadd_state);
 114
 115         c->status = dcerpc_samr_CreateDomainGroup_r_recv(subreq, s);
 116         TALLOC_FREE(subreq);
 117         if (!composite_is_ok(c)) return;
 118
 119         c->status = s->creategroup.out.result;
 120         if (!NT_STATUS_IS_OK(c->status)) {
 121                 composite_error(c, c->status);
 122                 return;
 123         }
 124
 125         composite_done(c);
 126 }
 127
 128
 129 NTSTATUS libnet_rpc_groupadd(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 130                              struct libnet_rpc_groupadd *io)
 131 {
 132         struct composite_context *c;
 133
 134         c = libnet_rpc_groupadd_send(p, mem_ctx, io, NULL);
 135         return libnet_rpc_groupadd_recv(c, mem_ctx, io);
 136 }
 137
 138
 139 struct groupdel_state {
 140         struct dcerpc_pipe             *pipe;
 141         struct policy_handle           domain_handle;
 142         struct policy_handle           group_handle;
 143         struct samr_LookupNames        lookupname;
 144         struct samr_OpenGroup          opengroup;
 145         struct samr_DeleteDomainGroup  deletegroup;
 146
 147         /* information about the progress */
 148         void (*monitor_fn)(struct monitor_msg *);
 149 };
 150
 151
 152 static void continue_groupdel_name_found(struct tevent_req *subreq);
 153 static void continue_groupdel_group_opened(struct tevent_req *subreq);
 154 static void continue_groupdel_deleted(struct tevent_req *subreq);
 155
 156
 157 struct composite_context* libnet_rpc_groupdel_send(struct dcerpc_pipe *p,
 158                                                    TALLOC_CTX *mem_ctx,
 159                                                    struct libnet_rpc_groupdel *io,
 160                                                    void (*monitor)(struct monitor_msg*))
 161 {
 162         struct composite_context *c;
 163         struct groupdel_state *s;
 164         struct tevent_req *subreq;
 165
 166         /* composite context allocation and setup */
 167         c = composite_create(mem_ctx, dcerpc_event_context(p));
 168         if (c == NULL) return NULL;
 169
 170         s = talloc_zero(c, struct groupdel_state);
 171         if (composite_nomem(s, c)) return c;
 172
 173         c->private_data  = s;
 174
 175         /* store function parameters in the state structure */
 176         s->pipe          = p;
 177         s->domain_handle = io->in.domain_handle;
 178         s->monitor_fn    = monitor;
 179
 180         /* prepare parameters to send rpc request */
 181         s->lookupname.in.domain_handle = &io->in.domain_handle;
 182         s->lookupname.in.num_names     = 1;
 183         s->lookupname.in.names         = talloc_zero(s, struct lsa_String);
 184         s->lookupname.in.names->string = io->in.groupname;
 185         s->lookupname.out.rids         = talloc_zero(s, struct samr_Ids);
 186         s->lookupname.out.types        = talloc_zero(s, struct samr_Ids);
 187         if (composite_nomem(s->lookupname.out.rids, c)) return c;
 188         if (composite_nomem(s->lookupname.out.types, c)) return c;
 189
 190         /* send the request */
 191         subreq = dcerpc_samr_LookupNames_r_send(s, c->event_ctx,
 192                                                 p->binding_handle,
 193                                                 &s->lookupname);
 194         if (composite_nomem(subreq, c)) return c;
 195
 196         tevent_req_set_callback(subreq, continue_groupdel_name_found, c);
 197         return c;
 198 }
 199
 200
 201 static void continue_groupdel_name_found(struct tevent_req *subreq)
 202 {
 203         struct composite_context *c;
 204         struct groupdel_state *s;
 205
 206         c = tevent_req_callback_data(subreq, struct composite_context);
 207         s = talloc_get_type(c->private_data, struct groupdel_state);
 208
 209         /* receive samr_LookupNames result */
 210         c->status = dcerpc_samr_LookupNames_r_recv(subreq, s);
 211         TALLOC_FREE(subreq);
 212         if (!composite_is_ok(c)) return;
 213
 214         c->status = s->lookupname.out.result;
 215         if (!NT_STATUS_IS_OK(c->status)) {
 216                 composite_error(c, c->status);
 217                 return;
 218         }
 219
 220         /* what to do when there's no group account to delete
 221            and what if there's more than one rid resolved */
 222         if (!s->lookupname.out.rids->count) {
 223                 c->status = NT_STATUS_NO_SUCH_GROUP;
 224                 composite_error(c, c->status);
 225                 return;
 226
 227         } else if (!s->lookupname.out.rids->count > 1) {
 228                 c->status = NT_STATUS_INVALID_ACCOUNT_NAME;
 229                 composite_error(c, c->status);
 230                 return;
 231         }
 232
 233         /* prepare the arguments for rpc call */
 234         s->opengroup.in.domain_handle = &s->domain_handle;
 235         s->opengroup.in.rid           = s->lookupname.out.rids->ids[0];
 236         s->opengroup.in.access_mask   = SEC_FLAG_MAXIMUM_ALLOWED;
 237         s->opengroup.out.group_handle  = &s->group_handle;
 238
 239         /* send rpc request */
 240         subreq = dcerpc_samr_OpenGroup_r_send(s, c->event_ctx,
 241                                               s->pipe->binding_handle,
 242                                               &s->opengroup);
 243         if (composite_nomem(subreq, c)) return;
 244
 245         tevent_req_set_callback(subreq, continue_groupdel_group_opened, c);
 246 }
 247
 248
 249 static void continue_groupdel_group_opened(struct tevent_req *subreq)
 250 {
 251         struct composite_context *c;
 252         struct groupdel_state *s;
 253
 254         c = tevent_req_callback_data(subreq, struct composite_context);
 255         s = talloc_get_type(c->private_data, struct groupdel_state);
 256
 257         /* receive samr_OpenGroup result */
 258         c->status = dcerpc_samr_OpenGroup_r_recv(subreq, s);
 259         TALLOC_FREE(subreq);
 260         if (!composite_is_ok(c)) return;
 261
 262         c->status = s->opengroup.out.result;
 263         if (!NT_STATUS_IS_OK(c->status)) {
 264                 composite_error(c, c->status);
 265                 return;
 266         }
 267
 268         /* prepare the final rpc call arguments */
 269         s->deletegroup.in.group_handle   = &s->group_handle;
 270         s->deletegroup.out.group_handle  = &s->group_handle;
 271
 272         /* send rpc request */
 273         subreq = dcerpc_samr_DeleteDomainGroup_r_send(s, c->event_ctx,
 274                                                       s->pipe->binding_handle,
 275                                                       &s->deletegroup);
 276         if (composite_nomem(subreq, c)) return;
 277
 278         /* callback handler setup */
 279         tevent_req_set_callback(subreq, continue_groupdel_deleted, c);
 280 }
 281
 282
 283 static void continue_groupdel_deleted(struct tevent_req *subreq)
 284 {
 285         struct composite_context *c;
 286         struct groupdel_state *s;
 287
 288         c = tevent_req_callback_data(subreq, struct composite_context);
 289         s = talloc_get_type(c->private_data, struct groupdel_state);
 290
 291         /* receive samr_DeleteGroup result */
 292         c->status = dcerpc_samr_DeleteDomainGroup_r_recv(subreq, s);
 293         TALLOC_FREE(subreq);
 294         if (!composite_is_ok(c)) return;
 295
 296         /* return the actual function call status */
 297         c->status = s->deletegroup.out.result;
 298         if (!NT_STATUS_IS_OK(c->status)) {
 299                 composite_error(c, c->status);
 300                 return;
 301         }
 302
 303         composite_done(c);
 304 }
 305
 306
 307 NTSTATUS libnet_rpc_groupdel_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
 308                                   struct libnet_rpc_groupdel *io)
 309 {
 310         NTSTATUS status;
 311         struct groupdel_state *s;
 312
 313         status = composite_wait(c);
 314         if (NT_STATUS_IS_OK(status) && io) {
 315                 s = talloc_get_type(c->private_data, struct groupdel_state);
 316                 io->out.group_handle = s->group_handle;
 317         }
 318
 319         talloc_free(c);
 320         return status;
 321 }
 322
 323
 324 NTSTATUS libnet_rpc_groupdel(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 325                              struct libnet_rpc_groupdel *io)
 326 {
 327         struct composite_context *c;
 328
 329         c = libnet_rpc_groupdel_send(p, mem_ctx, io, NULL);
 330         return libnet_rpc_groupdel_recv(c, mem_ctx, io);
 331 }