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                                                    struct libnet_rpc_groupadd *io,
  46                                                    void (*monitor)(struct monitor_msg*))
  47 {
  48         struct composite_context *c;
  49         struct groupadd_state *s;
  50         struct tevent_req *subreq;
  51
  52         if (!p || !io) return NULL;
  53
  54         c = composite_create(p, dcerpc_event_context(p));
  55         if (c == NULL) return NULL;
  56
  57         s = talloc_zero(c, struct groupadd_state);
  58         if (composite_nomem(s, c)) return c;
  59
  60         c->private_data = s;
  61
  62         s->domain_handle = io->in.domain_handle;
  63         s->pipe          = p;
  64         s->monitor_fn    = monitor;
  65
  66         s->creategroup.in.domain_handle  = &s->domain_handle;
  67
  68         s->creategroup.in.name           = talloc_zero(c, struct lsa_String);
  69         if (composite_nomem(s->creategroup.in.name, c)) return c;
  70
  71         s->creategroup.in.name->string   = talloc_strdup(c, io->in.groupname);
  72         if (composite_nomem(s->creategroup.in.name->string, c)) return c;
  73
  74         s->creategroup.in.access_mask    = 0;
  75
  76         s->creategroup.out.group_handle  = &s->group_handle;
  77         s->creategroup.out.rid           = &s->group_rid;
  78
  79         subreq = dcerpc_samr_CreateDomainGroup_r_send(s, c->event_ctx,
  80                                                       s->pipe->binding_handle,
  81                                                       &s->creategroup);
  82         if (composite_nomem(subreq, c)) return c;
  83
  84         tevent_req_set_callback(subreq, continue_groupadd_created, c);
  85         return c;
  86 }
  87
  88
  89 NTSTATUS libnet_rpc_groupadd_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
  90                                   struct libnet_rpc_groupadd *io)
  91 {
  92         NTSTATUS status;
  93         struct groupadd_state *s;
  94
  95         status = composite_wait(c);
  96         if (NT_STATUS_IS_OK(status)) {
  97                 s = talloc_get_type(c, struct groupadd_state);
  98         }
  99
 100         return status;
 101 }
 102
 103
 104 static void continue_groupadd_created(struct tevent_req *subreq)
 105 {
 106         struct composite_context *c;
 107         struct groupadd_state *s;
 108
 109         c = tevent_req_callback_data(subreq, struct composite_context);
 110         s = talloc_get_type(c->private_data, struct groupadd_state);
 111
 112         c->status = dcerpc_samr_CreateDomainGroup_r_recv(subreq, s);
 113         TALLOC_FREE(subreq);
 114         if (!composite_is_ok(c)) return;
 115
 116         c->status = s->creategroup.out.result;
 117         if (!composite_is_ok(c)) return;
 118
 119         composite_done(c);
 120 }
 121
 122
 123 NTSTATUS libnet_rpc_groupadd(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 124                              struct libnet_rpc_groupadd *io)
 125 {
 126         struct composite_context *c;
 127
 128         c = libnet_rpc_groupadd_send(p, io, NULL);
 129         return libnet_rpc_groupadd_recv(c, mem_ctx, io);
 130 }
 131
 132
 133 struct groupdel_state {
 134         struct dcerpc_pipe             *pipe;
 135         struct policy_handle           domain_handle;
 136         struct policy_handle           group_handle;
 137         struct samr_LookupNames        lookupname;
 138         struct samr_OpenGroup          opengroup;
 139         struct samr_DeleteDomainGroup  deletegroup;
 140
 141         /* information about the progress */
 142         void (*monitor_fn)(struct monitor_msg *);
 143 };
 144
 145
 146 static void continue_groupdel_name_found(struct tevent_req *subreq);
 147 static void continue_groupdel_group_opened(struct tevent_req *subreq);
 148 static void continue_groupdel_deleted(struct tevent_req *subreq);
 149
 150
 151 struct composite_context* libnet_rpc_groupdel_send(struct dcerpc_pipe *p,
 152                                                    struct libnet_rpc_groupdel *io,
 153                                                    void (*monitor)(struct monitor_msg*))
 154 {
 155         struct composite_context *c;
 156         struct groupdel_state *s;
 157         struct tevent_req *subreq;
 158
 159         /* composite context allocation and setup */
 160         c = composite_create(p, dcerpc_event_context(p));
 161         if (c == NULL) return NULL;
 162
 163         s = talloc_zero(c, struct groupdel_state);
 164         if (composite_nomem(s, c)) return c;
 165
 166         c->private_data  = s;
 167
 168         /* store function parameters in the state structure */
 169         s->pipe          = p;
 170         s->domain_handle = io->in.domain_handle;
 171         s->monitor_fn    = monitor;
 172
 173         /* prepare parameters to send rpc request */
 174         s->lookupname.in.domain_handle = &io->in.domain_handle;
 175         s->lookupname.in.num_names     = 1;
 176         s->lookupname.in.names         = talloc_zero(s, struct lsa_String);
 177         s->lookupname.in.names->string = io->in.groupname;
 178         s->lookupname.out.rids         = talloc_zero(s, struct samr_Ids);
 179         s->lookupname.out.types        = talloc_zero(s, struct samr_Ids);
 180         if (composite_nomem(s->lookupname.out.rids, c)) return c;
 181         if (composite_nomem(s->lookupname.out.types, c)) return c;
 182
 183         /* send the request */
 184         subreq = dcerpc_samr_LookupNames_r_send(s, c->event_ctx,
 185                                                 p->binding_handle,
 186                                                 &s->lookupname);
 187         if (composite_nomem(subreq, c)) return c;
 188
 189         tevent_req_set_callback(subreq, continue_groupdel_name_found, c);
 190         return c;
 191 }
 192
 193
 194 static void continue_groupdel_name_found(struct tevent_req *subreq)
 195 {
 196         struct composite_context *c;
 197         struct groupdel_state *s;
 198
 199         c = tevent_req_callback_data(subreq, struct composite_context);
 200         s = talloc_get_type(c->private_data, struct groupdel_state);
 201
 202         /* receive samr_LookupNames result */
 203         c->status = dcerpc_samr_LookupNames_r_recv(subreq, s);
 204         TALLOC_FREE(subreq);
 205         if (!composite_is_ok(c)) return;
 206
 207         c->status = s->lookupname.out.result;
 208         if (!NT_STATUS_IS_OK(c->status)) {
 209                 composite_error(c, c->status);
 210                 return;
 211         }
 212
 213         /* what to do when there's no group account to delete
 214            and what if there's more than one rid resolved */
 215         if (!s->lookupname.out.rids->count) {
 216                 c->status = NT_STATUS_NO_SUCH_GROUP;
 217                 composite_error(c, c->status);
 218                 return;
 219
 220         } else if (!s->lookupname.out.rids->count > 1) {
 221                 c->status = NT_STATUS_INVALID_ACCOUNT_NAME;
 222                 composite_error(c, c->status);
 223                 return;
 224         }
 225
 226         /* prepare the arguments for rpc call */
 227         s->opengroup.in.domain_handle = &s->domain_handle;
 228         s->opengroup.in.rid           = s->lookupname.out.rids->ids[0];
 229         s->opengroup.in.access_mask   = SEC_FLAG_MAXIMUM_ALLOWED;
 230         s->opengroup.out.group_handle  = &s->group_handle;
 231
 232         /* send rpc request */
 233         subreq = dcerpc_samr_OpenGroup_r_send(s, c->event_ctx,
 234                                               s->pipe->binding_handle,
 235                                               &s->opengroup);
 236         if (composite_nomem(subreq, c)) return;
 237
 238         tevent_req_set_callback(subreq, continue_groupdel_group_opened, c);
 239 }
 240
 241
 242 static void continue_groupdel_group_opened(struct tevent_req *subreq)
 243 {
 244         struct composite_context *c;
 245         struct groupdel_state *s;
 246
 247         c = tevent_req_callback_data(subreq, struct composite_context);
 248         s = talloc_get_type(c->private_data, struct groupdel_state);
 249
 250         /* receive samr_OpenGroup result */
 251         c->status = dcerpc_samr_OpenGroup_r_recv(subreq, s);
 252         TALLOC_FREE(subreq);
 253         if (!composite_is_ok(c)) return;
 254
 255         c->status = s->opengroup.out.result;
 256         if (!NT_STATUS_IS_OK(c->status)) {
 257                 composite_error(c, c->status);
 258                 return;
 259         }
 260
 261         /* prepare the final rpc call arguments */
 262         s->deletegroup.in.group_handle   = &s->group_handle;
 263         s->deletegroup.out.group_handle  = &s->group_handle;
 264
 265         /* send rpc request */
 266         subreq = dcerpc_samr_DeleteDomainGroup_r_send(s, c->event_ctx,
 267                                                       s->pipe->binding_handle,
 268                                                       &s->deletegroup);
 269         if (composite_nomem(subreq, c)) return;
 270
 271         /* callback handler setup */
 272         tevent_req_set_callback(subreq, continue_groupdel_deleted, c);
 273 }
 274
 275
 276 static void continue_groupdel_deleted(struct tevent_req *subreq)
 277 {
 278         struct composite_context *c;
 279         struct groupdel_state *s;
 280
 281         c = tevent_req_callback_data(subreq, struct composite_context);
 282         s = talloc_get_type(c->private_data, struct groupdel_state);
 283
 284         /* receive samr_DeleteGroup result */
 285         c->status = dcerpc_samr_DeleteDomainGroup_r_recv(subreq, s);
 286         TALLOC_FREE(subreq);
 287         if (!composite_is_ok(c)) return;
 288
 289         /* return the actual function call status */
 290         c->status = s->deletegroup.out.result;
 291         if (!NT_STATUS_IS_OK(c->status)) {
 292                 composite_error(c, c->status);
 293                 return;
 294         }
 295
 296         composite_done(c);
 297 }
 298
 299
 300 NTSTATUS libnet_rpc_groupdel_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
 301                                   struct libnet_rpc_groupdel *io)
 302 {
 303         NTSTATUS status;
 304         struct groupdel_state *s;
 305
 306         status = composite_wait(c);
 307         if (NT_STATUS_IS_OK(status) && io) {
 308                 s = talloc_get_type(c->private_data, struct groupdel_state);
 309                 io->out.group_handle = s->group_handle;
 310         }
 311
 312         talloc_free(c);
 313         return status;
 314 }
 315
 316
 317 NTSTATUS libnet_rpc_groupdel(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 318                              struct libnet_rpc_groupdel *io)
 319 {
 320         struct composite_context *c;
 321
 322         c = libnet_rpc_groupdel_send(p, io, NULL);
 323         return libnet_rpc_groupdel_recv(c, mem_ctx, io);
 324 }