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)) {
  98                 s = talloc_get_type(c, struct groupadd_state);
  99         }
 100
 101         return status;
 102 }
 103
 104
 105 static void continue_groupadd_created(struct tevent_req *subreq)
 106 {
 107         struct composite_context *c;
 108         struct groupadd_state *s;
 109
 110         c = tevent_req_callback_data(subreq, struct composite_context);
 111         s = talloc_get_type(c->private_data, struct groupadd_state);
 112
 113         c->status = dcerpc_samr_CreateDomainGroup_r_recv(subreq, s);
 114         TALLOC_FREE(subreq);
 115         if (!composite_is_ok(c)) return;
 116
 117         c->status = s->creategroup.out.result;
 118         if (!composite_is_ok(c)) return;
 119
 120         composite_done(c);
 121 }
 122
 123
 124 NTSTATUS libnet_rpc_groupadd(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 125                              struct libnet_rpc_groupadd *io)
 126 {
 127         struct composite_context *c;
 128
 129         c = libnet_rpc_groupadd_send(p, mem_ctx, io, NULL);
 130         return libnet_rpc_groupadd_recv(c, mem_ctx, io);
 131 }
 132
 133
 134 struct groupdel_state {
 135         struct dcerpc_pipe             *pipe;
 136         struct policy_handle           domain_handle;
 137         struct policy_handle           group_handle;
 138         struct samr_LookupNames        lookupname;
 139         struct samr_OpenGroup          opengroup;
 140         struct samr_DeleteDomainGroup  deletegroup;
 141
 142         /* information about the progress */
 143         void (*monitor_fn)(struct monitor_msg *);
 144 };
 145
 146
 147 static void continue_groupdel_name_found(struct tevent_req *subreq);
 148 static void continue_groupdel_group_opened(struct tevent_req *subreq);
 149 static void continue_groupdel_deleted(struct tevent_req *subreq);
 150
 151
 152 struct composite_context* libnet_rpc_groupdel_send(struct dcerpc_pipe *p,
 153                                                    TALLOC_CTX *mem_ctx,
 154                                                    struct libnet_rpc_groupdel *io,
 155                                                    void (*monitor)(struct monitor_msg*))
 156 {
 157         struct composite_context *c;
 158         struct groupdel_state *s;
 159         struct tevent_req *subreq;
 160
 161         /* composite context allocation and setup */
 162         c = composite_create(mem_ctx, dcerpc_event_context(p));
 163         if (c == NULL) return NULL;
 164
 165         s = talloc_zero(c, struct groupdel_state);
 166         if (composite_nomem(s, c)) return c;
 167
 168         c->private_data  = s;
 169
 170         /* store function parameters in the state structure */
 171         s->pipe          = p;
 172         s->domain_handle = io->in.domain_handle;
 173         s->monitor_fn    = monitor;
 174
 175         /* prepare parameters to send rpc request */
 176         s->lookupname.in.domain_handle = &io->in.domain_handle;
 177         s->lookupname.in.num_names     = 1;
 178         s->lookupname.in.names         = talloc_zero(s, struct lsa_String);
 179         s->lookupname.in.names->string = io->in.groupname;
 180         s->lookupname.out.rids         = talloc_zero(s, struct samr_Ids);
 181         s->lookupname.out.types        = talloc_zero(s, struct samr_Ids);
 182         if (composite_nomem(s->lookupname.out.rids, c)) return c;
 183         if (composite_nomem(s->lookupname.out.types, c)) return c;
 184
 185         /* send the request */
 186         subreq = dcerpc_samr_LookupNames_r_send(s, c->event_ctx,
 187                                                 p->binding_handle,
 188                                                 &s->lookupname);
 189         if (composite_nomem(subreq, c)) return c;
 190
 191         tevent_req_set_callback(subreq, continue_groupdel_name_found, c);
 192         return c;
 193 }
 194
 195
 196 static void continue_groupdel_name_found(struct tevent_req *subreq)
 197 {
 198         struct composite_context *c;
 199         struct groupdel_state *s;
 200
 201         c = tevent_req_callback_data(subreq, struct composite_context);
 202         s = talloc_get_type(c->private_data, struct groupdel_state);
 203
 204         /* receive samr_LookupNames result */
 205         c->status = dcerpc_samr_LookupNames_r_recv(subreq, s);
 206         TALLOC_FREE(subreq);
 207         if (!composite_is_ok(c)) return;
 208
 209         c->status = s->lookupname.out.result;
 210         if (!NT_STATUS_IS_OK(c->status)) {
 211                 composite_error(c, c->status);
 212                 return;
 213         }
 214
 215         /* what to do when there's no group account to delete
 216            and what if there's more than one rid resolved */
 217         if (!s->lookupname.out.rids->count) {
 218                 c->status = NT_STATUS_NO_SUCH_GROUP;
 219                 composite_error(c, c->status);
 220                 return;
 221
 222         } else if (!s->lookupname.out.rids->count > 1) {
 223                 c->status = NT_STATUS_INVALID_ACCOUNT_NAME;
 224                 composite_error(c, c->status);
 225                 return;
 226         }
 227
 228         /* prepare the arguments for rpc call */
 229         s->opengroup.in.domain_handle = &s->domain_handle;
 230         s->opengroup.in.rid           = s->lookupname.out.rids->ids[0];
 231         s->opengroup.in.access_mask   = SEC_FLAG_MAXIMUM_ALLOWED;
 232         s->opengroup.out.group_handle  = &s->group_handle;
 233
 234         /* send rpc request */
 235         subreq = dcerpc_samr_OpenGroup_r_send(s, c->event_ctx,
 236                                               s->pipe->binding_handle,
 237                                               &s->opengroup);
 238         if (composite_nomem(subreq, c)) return;
 239
 240         tevent_req_set_callback(subreq, continue_groupdel_group_opened, c);
 241 }
 242
 243
 244 static void continue_groupdel_group_opened(struct tevent_req *subreq)
 245 {
 246         struct composite_context *c;
 247         struct groupdel_state *s;
 248
 249         c = tevent_req_callback_data(subreq, struct composite_context);
 250         s = talloc_get_type(c->private_data, struct groupdel_state);
 251
 252         /* receive samr_OpenGroup result */
 253         c->status = dcerpc_samr_OpenGroup_r_recv(subreq, s);
 254         TALLOC_FREE(subreq);
 255         if (!composite_is_ok(c)) return;
 256
 257         c->status = s->opengroup.out.result;
 258         if (!NT_STATUS_IS_OK(c->status)) {
 259                 composite_error(c, c->status);
 260                 return;
 261         }
 262
 263         /* prepare the final rpc call arguments */
 264         s->deletegroup.in.group_handle   = &s->group_handle;
 265         s->deletegroup.out.group_handle  = &s->group_handle;
 266
 267         /* send rpc request */
 268         subreq = dcerpc_samr_DeleteDomainGroup_r_send(s, c->event_ctx,
 269                                                       s->pipe->binding_handle,
 270                                                       &s->deletegroup);
 271         if (composite_nomem(subreq, c)) return;
 272
 273         /* callback handler setup */
 274         tevent_req_set_callback(subreq, continue_groupdel_deleted, c);
 275 }
 276
 277
 278 static void continue_groupdel_deleted(struct tevent_req *subreq)
 279 {
 280         struct composite_context *c;
 281         struct groupdel_state *s;
 282
 283         c = tevent_req_callback_data(subreq, struct composite_context);
 284         s = talloc_get_type(c->private_data, struct groupdel_state);
 285
 286         /* receive samr_DeleteGroup result */
 287         c->status = dcerpc_samr_DeleteDomainGroup_r_recv(subreq, s);
 288         TALLOC_FREE(subreq);
 289         if (!composite_is_ok(c)) return;
 290
 291         /* return the actual function call status */
 292         c->status = s->deletegroup.out.result;
 293         if (!NT_STATUS_IS_OK(c->status)) {
 294                 composite_error(c, c->status);
 295                 return;
 296         }
 297
 298         composite_done(c);
 299 }
 300
 301
 302 NTSTATUS libnet_rpc_groupdel_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
 303                                   struct libnet_rpc_groupdel *io)
 304 {
 305         NTSTATUS status;
 306         struct groupdel_state *s;
 307
 308         status = composite_wait(c);
 309         if (NT_STATUS_IS_OK(status) && io) {
 310                 s = talloc_get_type(c->private_data, struct groupdel_state);
 311                 io->out.group_handle = s->group_handle;
 312         }
 313
 314         talloc_free(c);
 315         return status;
 316 }
 317
 318
 319 NTSTATUS libnet_rpc_groupdel(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 320                              struct libnet_rpc_groupdel *io)
 321 {
 322         struct composite_context *c;
 323
 324         c = libnet_rpc_groupdel_send(p, mem_ctx, io, NULL);
 325         return libnet_rpc_groupdel_recv(c, mem_ctx, io);
 326 }