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/composite.h"
  27 #include "libnet/groupman.h"
  28 #include "librpc/gen_ndr/ndr_samr_c.h"
  29 #include "libnet/libnet_proto.h"
  30
  31
  32 struct groupadd_state {
  33         struct dcerpc_pipe *pipe;
  34         struct policy_handle domain_handle;
  35         struct samr_CreateDomainGroup creategroup;
  36         struct policy_handle group_handle;
  37         uint32_t group_rid;
  38
  39         void (*monitor_fn)(struct monitor_msg*);
  40 };
  41
  42
  43 static void continue_groupadd_created(struct rpc_request *req);
  44
  45
  46 struct composite_context* libnet_rpc_groupadd_send(struct dcerpc_pipe *p,
  47                                                    struct libnet_rpc_groupadd *io,
  48                                                    void (*monitor)(struct monitor_msg*))
  49 {
  50         struct composite_context *c;
  51         struct groupadd_state *s;
  52         struct rpc_request *create_req;
  53
  54         if (!p || !io) return NULL;
  55
  56         c = composite_create(p, dcerpc_event_context(p));
  57         if (c == NULL) return NULL;
  58
  59         s = talloc_zero(c, struct groupadd_state);
  60         if (composite_nomem(s, c)) return c;
  61
  62         c->private_data = s;
  63
  64         s->domain_handle = io->in.domain_handle;
  65         s->pipe          = p;
  66         s->monitor_fn    = monitor;
  67
  68         s->creategroup.in.domain_handle  = &s->domain_handle;
  69
  70         s->creategroup.in.name           = talloc_zero(c, struct lsa_String);
  71         if (composite_nomem(s->creategroup.in.name, c)) return c;
  72
  73         s->creategroup.in.name->string   = talloc_strdup(c, io->in.groupname);
  74         if (composite_nomem(s->creategroup.in.name->string, c)) return c;
  75
  76         s->creategroup.in.access_mask    = 0;
  77
  78         s->creategroup.out.group_handle  = &s->group_handle;
  79         s->creategroup.out.rid           = &s->group_rid;
  80
  81         create_req = dcerpc_samr_CreateDomainGroup_send(s->pipe, c, &s->creategroup);
  82         if (composite_nomem(create_req, c)) return c;
  83
  84         composite_continue_rpc(c, create_req, 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 rpc_request *req)
 105 {
 106         struct composite_context *c;
 107         struct groupadd_state *s;
 108
 109         c = talloc_get_type(req->async.private_data, struct composite_context);
 110         s = talloc_get_type(c->private_data, struct groupadd_state);
 111
 112         c->status = dcerpc_ndr_request_recv(req);
 113         if (!composite_is_ok(c)) return;
 114
 115         c->status = s->creategroup.out.result;
 116         if (!composite_is_ok(c)) return;
 117
 118         composite_done(c);
 119 }
 120
 121
 122 NTSTATUS libnet_rpc_groupadd(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 123                              struct libnet_rpc_groupadd *io)
 124 {
 125         struct composite_context *c;
 126
 127         c = libnet_rpc_groupadd_send(p, io, NULL);
 128         return libnet_rpc_groupadd_recv(c, mem_ctx, io);
 129 }
 130
 131
 132 struct groupdel_state {
 133         struct dcerpc_pipe             *pipe;
 134         struct policy_handle           domain_handle;
 135         struct policy_handle           group_handle;
 136         struct samr_LookupNames        lookupname;
 137         struct samr_OpenGroup          opengroup;
 138         struct samr_DeleteDomainGroup  deletegroup;
 139
 140         /* information about the progress */
 141         void (*monitor_fn)(struct monitor_msg *);
 142 };
 143
 144
 145 static void continue_groupdel_name_found(struct rpc_request *req);
 146 static void continue_groupdel_group_opened(struct rpc_request *req);
 147 static void continue_groupdel_deleted(struct rpc_request *req);
 148
 149
 150 struct composite_context* libnet_rpc_groupdel_send(struct dcerpc_pipe *p,
 151                                                    struct libnet_rpc_groupdel *io,
 152                                                    void (*monitor)(struct monitor_msg*))
 153 {
 154         struct composite_context *c;
 155         struct groupdel_state *s;
 156         struct rpc_request *lookup_req;
 157
 158         /* composite context allocation and setup */
 159         c = composite_create(p, dcerpc_event_context(p));
 160         if (c == NULL) return NULL;
 161
 162         s = talloc_zero(c, struct groupdel_state);
 163         if (composite_nomem(s, c)) return c;
 164
 165         c->private_data  = s;
 166
 167         /* store function parameters in the state structure */
 168         s->pipe          = p;
 169         s->domain_handle = io->in.domain_handle;
 170         s->monitor_fn    = monitor;
 171
 172         /* prepare parameters to send rpc request */
 173         s->lookupname.in.domain_handle = &io->in.domain_handle;
 174         s->lookupname.in.num_names     = 1;
 175         s->lookupname.in.names         = talloc_zero(s, struct lsa_String);
 176         s->lookupname.in.names->string = io->in.groupname;
 177         s->lookupname.out.rids         = talloc_zero(s, struct samr_Ids);
 178         s->lookupname.out.types        = talloc_zero(s, struct samr_Ids);
 179         if (composite_nomem(s->lookupname.out.rids, c)) return c;
 180         if (composite_nomem(s->lookupname.out.types, c)) return c;
 181
 182         /* send the request */
 183         lookup_req = dcerpc_samr_LookupNames_send(p, c, &s->lookupname);
 184         if (composite_nomem(lookup_req, c)) return c;
 185
 186         composite_continue_rpc(c, lookup_req, continue_groupdel_name_found, c);
 187         return c;
 188 }
 189
 190
 191 static void continue_groupdel_name_found(struct rpc_request *req)
 192 {
 193         struct composite_context *c;
 194         struct groupdel_state *s;
 195         struct rpc_request *opengroup_req;
 196
 197         c = talloc_get_type(req->async.private_data, struct composite_context);
 198         s = talloc_get_type(c->private_data, struct groupdel_state);
 199
 200         /* receive samr_LookupNames result */
 201         c->status = dcerpc_ndr_request_recv(req);
 202         if (!composite_is_ok(c)) return;
 203
 204         c->status = s->lookupname.out.result;
 205         if (!NT_STATUS_IS_OK(c->status)) {
 206                 composite_error(c, c->status);
 207                 return;
 208         }
 209
 210         /* what to do when there's no group account to delete
 211            and what if there's more than one rid resolved */
 212         if (!s->lookupname.out.rids->count) {
 213                 c->status = NT_STATUS_NO_SUCH_GROUP;
 214                 composite_error(c, c->status);
 215                 return;
 216
 217         } else if (!s->lookupname.out.rids->count > 1) {
 218                 c->status = NT_STATUS_INVALID_ACCOUNT_NAME;
 219                 composite_error(c, c->status);
 220                 return;
 221         }
 222
 223         /* prepare the arguments for rpc call */
 224         s->opengroup.in.domain_handle = &s->domain_handle;
 225         s->opengroup.in.rid           = s->lookupname.out.rids->ids[0];
 226         s->opengroup.in.access_mask   = SEC_FLAG_MAXIMUM_ALLOWED;
 227         s->opengroup.out.group_handle  = &s->group_handle;
 228
 229         /* send rpc request */
 230         opengroup_req = dcerpc_samr_OpenGroup_send(s->pipe, c, &s->opengroup);
 231         if (composite_nomem(opengroup_req, c)) return;
 232
 233         composite_continue_rpc(c, opengroup_req, continue_groupdel_group_opened, c);
 234 }
 235
 236
 237 static void continue_groupdel_group_opened(struct rpc_request *req)
 238 {
 239         struct composite_context *c;
 240         struct groupdel_state *s;
 241         struct rpc_request *delgroup_req;
 242
 243         c = talloc_get_type(req->async.private_data, struct composite_context);
 244         s = talloc_get_type(c->private_data, struct groupdel_state);
 245
 246         /* receive samr_OpenGroup result */
 247         c->status = dcerpc_ndr_request_recv(req);
 248         if (!composite_is_ok(c)) return;
 249
 250         c->status = s->opengroup.out.result;
 251         if (!NT_STATUS_IS_OK(c->status)) {
 252                 composite_error(c, c->status);
 253                 return;
 254         }
 255
 256         /* prepare the final rpc call arguments */
 257         s->deletegroup.in.group_handle   = &s->group_handle;
 258         s->deletegroup.out.group_handle  = &s->group_handle;
 259
 260         /* send rpc request */
 261         delgroup_req = dcerpc_samr_DeleteDomainGroup_send(s->pipe, c, &s->deletegroup);
 262         if (composite_nomem(delgroup_req, c)) return;
 263
 264         /* callback handler setup */
 265         composite_continue_rpc(c, delgroup_req, continue_groupdel_deleted, c);
 266 }
 267
 268
 269 static void continue_groupdel_deleted(struct rpc_request *req)
 270 {
 271         struct composite_context *c;
 272         struct groupdel_state *s;
 273
 274         c = talloc_get_type(req->async.private_data, struct composite_context);
 275         s = talloc_get_type(c->private_data, struct groupdel_state);
 276
 277         /* receive samr_DeleteGroup result */
 278         c->status = dcerpc_ndr_request_recv(req);
 279         if (!composite_is_ok(c)) return;
 280
 281         /* return the actual function call status */
 282         c->status = s->deletegroup.out.result;
 283         if (!NT_STATUS_IS_OK(c->status)) {
 284                 composite_error(c, c->status);
 285                 return;
 286         }
 287
 288         composite_done(c);
 289 }
 290
 291
 292 NTSTATUS libnet_rpc_groupdel_recv(struct composite_context *c, TALLOC_CTX *mem_ctx,
 293                                   struct libnet_rpc_groupdel *io)
 294 {
 295         NTSTATUS status;
 296         struct groupdel_state *s;
 297
 298         status = composite_wait(c);
 299         if (NT_STATUS_IS_OK(status) && io) {
 300                 s = talloc_get_type(c->private_data, struct groupdel_state);
 301                 io->out.group_handle = s->group_handle;
 302         }
 303
 304         talloc_free(c);
 305         return status;
 306 }
 307
 308
 309 NTSTATUS libnet_rpc_groupdel(struct dcerpc_pipe *p, TALLOC_CTX *mem_ctx,
 310                              struct libnet_rpc_groupdel *io)
 311 {
 312         struct composite_context *c;
 313
 314         c = libnet_rpc_groupdel_send(p, io, NULL);
 315         return libnet_rpc_groupdel_recv(c, mem_ctx, io);
 316 }