source4/torture/rpc/spoolss_notify.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    test suite for spoolss rpc notify operations
   4
   5    Copyright (C) Jelmer Vernooij 2007
   6    Copyright (C) Guenther Deschner 2010
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "system/filesys.h"
  25 #include "torture/rpc/rpc.h"
  26 #include "librpc/gen_ndr/ndr_spoolss_c.h"
  27 #include "librpc/gen_ndr/ndr_spoolss.h"
  28 #include "rpc_server/dcerpc_server.h"
  29 #include "rpc_server/service_rpc.h"
  30 #include "smbd/process_model.h"
  31 #include "smb_server/smb_server.h"
  32 #include "lib/socket/netif.h"
  33 #include "ntvfs/ntvfs.h"
  34 #include "param/param.h"
  35
  36 static NTSTATUS spoolss__op_bind(struct dcesrv_call_state *dce_call, const struct dcesrv_interface *iface)
  37 {
  38         return NT_STATUS_OK;
  39 }
  40
  41 static void spoolss__op_unbind(struct dcesrv_connection_context *context, const struct dcesrv_interface *iface)
  42 {
  43 }
  44
  45 static NTSTATUS spoolss__op_ndr_pull(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct ndr_pull *pull, void **r)
  46 {
  47         enum ndr_err_code ndr_err;
  48         uint16_t opnum = dce_call->pkt.u.request.opnum;
  49
  50         dce_call->fault_code = 0;
  51
  52         if (opnum >= ndr_table_spoolss.num_calls) {
  53                 dce_call->fault_code = DCERPC_FAULT_OP_RNG_ERROR;
  54                 return NT_STATUS_NET_WRITE_FAULT;
  55         }
  56
  57         *r = talloc_size(mem_ctx, ndr_table_spoolss.calls[opnum].struct_size);
  58         NT_STATUS_HAVE_NO_MEMORY(*r);
  59
  60         /* unravel the NDR for the packet */
  61         ndr_err = ndr_table_spoolss.calls[opnum].ndr_pull(pull, NDR_IN, *r);
  62         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
  63                 dcerpc_log_packet(dce_call->conn->packet_log_dir,
  64                                                   &ndr_table_spoolss, opnum, NDR_IN,
  65                                   &dce_call->pkt.u.request.stub_and_verifier);
  66                 dce_call->fault_code = DCERPC_FAULT_NDR;
  67                 return NT_STATUS_NET_WRITE_FAULT;
  68         }
  69
  70         return NT_STATUS_OK;
  71 }
  72
  73 /* Note that received_packets are allocated in talloc_autofree_context(),
  74  * because no other context appears to stay around long enough. */
  75 static struct received_packet {
  76         uint16_t opnum;
  77         void *r;
  78         struct received_packet *prev, *next;
  79 } *received_packets = NULL;
  80
  81 static WERROR _spoolss_ReplyOpenPrinter(struct dcesrv_call_state *dce_call,
  82                                         TALLOC_CTX *mem_ctx,
  83                                         struct spoolss_ReplyOpenPrinter *r)
  84 {
  85         DEBUG(1,("_spoolss_ReplyOpenPrinter\n"));
  86
  87         NDR_PRINT_IN_DEBUG(spoolss_ReplyOpenPrinter, r);
  88
  89         r->out.handle = talloc(r, struct policy_handle);
  90         r->out.handle->handle_type = 42;
  91         r->out.handle->uuid = GUID_random();
  92         r->out.result = WERR_OK;
  93
  94         NDR_PRINT_OUT_DEBUG(spoolss_ReplyOpenPrinter, r);
  95
  96         return WERR_OK;
  97 }
  98
  99 static WERROR _spoolss_ReplyClosePrinter(struct dcesrv_call_state *dce_call,
 100                                          TALLOC_CTX *mem_ctx,
 101                                          struct spoolss_ReplyClosePrinter *r)
 102 {
 103         DEBUG(1,("_spoolss_ReplyClosePrinter\n"));
 104
 105         NDR_PRINT_IN_DEBUG(spoolss_ReplyClosePrinter, r);
 106
 107         ZERO_STRUCTP(r->out.handle);
 108         r->out.result = WERR_OK;
 109
 110         NDR_PRINT_OUT_DEBUG(spoolss_ReplyClosePrinter, r);
 111
 112         return WERR_OK;
 113 }
 114
 115 static NTSTATUS spoolss__op_dispatch(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, void *r)
 116 {
 117         uint16_t opnum = dce_call->pkt.u.request.opnum;
 118         struct received_packet *rp;
 119
 120         rp = talloc_zero(talloc_autofree_context(), struct received_packet);
 121         rp->opnum = opnum;
 122         rp->r = talloc_reference(rp, r);
 123
 124         DLIST_ADD_END(received_packets, rp, struct received_packet *);
 125
 126         switch (opnum) {
 127         case 58: {
 128                 struct spoolss_ReplyOpenPrinter *r2 = (struct spoolss_ReplyOpenPrinter *)r;
 129                 r2->out.result = _spoolss_ReplyOpenPrinter(dce_call, mem_ctx, r2);
 130                 break;
 131         }
 132         case 60: {
 133                 struct spoolss_ReplyClosePrinter *r2 = (struct spoolss_ReplyClosePrinter *)r;
 134                 r2->out.result = _spoolss_ReplyClosePrinter(dce_call, mem_ctx, r2);
 135                 break;
 136         }
 137
 138         default:
 139                 dce_call->fault_code = DCERPC_FAULT_OP_RNG_ERROR;
 140                 break;
 141         }
 142
 143         if (dce_call->fault_code != 0) {
 144                 dcerpc_log_packet(dce_call->conn->packet_log_dir,
 145                                                   &ndr_table_spoolss, opnum, NDR_IN,
 146                                   &dce_call->pkt.u.request.stub_and_verifier);
 147                 return NT_STATUS_NET_WRITE_FAULT;
 148         }
 149         return NT_STATUS_OK;
 150 }
 151
 152
 153 static NTSTATUS spoolss__op_reply(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, void *r)
 154 {
 155         return NT_STATUS_OK;
 156 }
 157
 158
 159 static NTSTATUS spoolss__op_ndr_push(struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct ndr_push *push, const void *r)
 160 {
 161         enum ndr_err_code ndr_err;
 162         uint16_t opnum = dce_call->pkt.u.request.opnum;
 163
 164         ndr_err = ndr_table_spoolss.calls[opnum].ndr_push(push, NDR_OUT, r);
 165         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 166                 dce_call->fault_code = DCERPC_FAULT_NDR;
 167                 return NT_STATUS_NET_WRITE_FAULT;
 168         }
 169
 170         return NT_STATUS_OK;
 171 }
 172
 173 const static struct dcesrv_interface notify_test_spoolss_interface = {
 174         .name           = "spoolss",
 175         .syntax_id  = {{0x12345678,0x1234,0xabcd,{0xef,0x00},{0x01,0x23,0x45,0x67,0x89,0xab}},1.0},
 176         .bind           = spoolss__op_bind,
 177         .unbind         = spoolss__op_unbind,
 178         .ndr_pull       = spoolss__op_ndr_pull,
 179         .dispatch       = spoolss__op_dispatch,
 180         .reply          = spoolss__op_reply,
 181         .ndr_push       = spoolss__op_ndr_push
 182 };
 183
 184 static bool spoolss__op_interface_by_uuid(struct dcesrv_interface *iface, const struct GUID *uuid, uint32_t if_version)
 185 {
 186         if (notify_test_spoolss_interface.syntax_id.if_version == if_version &&
 187                 GUID_equal(&notify_test_spoolss_interface.syntax_id.uuid, uuid)) {
 188                 memcpy(iface,&notify_test_spoolss_interface, sizeof(*iface));
 189                 return true;
 190         }
 191
 192         return false;
 193 }
 194
 195 static bool spoolss__op_interface_by_name(struct dcesrv_interface *iface, const char *name)
 196 {
 197         if (strcmp(notify_test_spoolss_interface.name, name)==0) {
 198                 memcpy(iface, &notify_test_spoolss_interface, sizeof(*iface));
 199                 return true;
 200         }
 201
 202         return false;
 203 }
 204
 205 static NTSTATUS spoolss__op_init_server(struct dcesrv_context *dce_ctx, const struct dcesrv_endpoint_server *ep_server)
 206 {
 207         int i;
 208
 209         for (i=0;i<ndr_table_spoolss.endpoints->count;i++) {
 210                 NTSTATUS ret;
 211                 const char *name = ndr_table_spoolss.endpoints->names[i];
 212
 213                 ret = dcesrv_interface_register(dce_ctx, name, &notify_test_spoolss_interface, NULL);
 214                 if (!NT_STATUS_IS_OK(ret)) {
 215                         DEBUG(1,("spoolss_op_init_server: failed to register endpoint '%s'\n",name));
 216                         return ret;
 217                 }
 218         }
 219
 220         return NT_STATUS_OK;
 221 }
 222
 223 static bool test_OpenPrinter(struct torture_context *tctx,
 224                              struct dcerpc_pipe *p,
 225                              struct policy_handle *handle)
 226 {
 227         struct spoolss_OpenPrinter r;
 228
 229         ZERO_STRUCT(r);
 230
 231         r.in.printername        = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
 232         r.in.datatype           = NULL;
 233         r.in.devmode_ctr.devmode= NULL;
 234         r.in.access_mask        = SEC_FLAG_MAXIMUM_ALLOWED;
 235         r.out.handle            = handle;
 236
 237         torture_comment(tctx, "Testing OpenPrinter(%s)\n", r.in.printername);
 238
 239         torture_assert_ntstatus_ok(tctx, dcerpc_spoolss_OpenPrinter(p, tctx, &r), "OpenPrinter failed");
 240         torture_assert_werr_ok(tctx, r.out.result, "OpenPrinter failed");
 241
 242         return true;
 243 }
 244
 245 static struct spoolss_NotifyOption *setup_printserver_NotifyOption(struct torture_context *tctx)
 246 {
 247         struct spoolss_NotifyOption *o;
 248
 249         o = talloc_zero(tctx, struct spoolss_NotifyOption);
 250
 251         o->version = 2;
 252         o->flags = PRINTER_NOTIFY_OPTIONS_REFRESH;
 253
 254         o->count = 2;
 255         o->types = talloc_zero_array(o, struct spoolss_NotifyOptionType, o->count);
 256
 257         o->types[0].type = PRINTER_NOTIFY_TYPE;
 258         o->types[0].count = 1;
 259         o->types[0].fields = talloc_array(o->types, union spoolss_Field, o->types[0].count);
 260         o->types[0].fields[0].field = PRINTER_NOTIFY_FIELD_SERVER_NAME;
 261
 262         o->types[1].type = JOB_NOTIFY_TYPE;
 263         o->types[1].count = 1;
 264         o->types[1].fields = talloc_array(o->types, union spoolss_Field, o->types[1].count);
 265         o->types[1].fields[0].field = JOB_NOTIFY_FIELD_MACHINE_NAME;
 266
 267         return o;
 268 }
 269
 270 static bool test_RemoteFindFirstPrinterChangeNotifyEx(struct torture_context *tctx,
 271                                                       struct dcerpc_pipe *p,
 272                                                       struct policy_handle *handle,
 273                                                       const char *address,
 274                                                       struct spoolss_NotifyOption *option)
 275 {
 276         struct spoolss_RemoteFindFirstPrinterChangeNotifyEx r;
 277
 278         torture_comment(tctx, "Testing RemoteFindFirstPrinterChangeNotifyEx\n");
 279
 280         r.in.flags = 0;
 281         r.in.local_machine = talloc_asprintf(tctx, "\\\\%s", address);
 282         r.in.options = 0;
 283         r.in.printer_local = 0;
 284         r.in.notify_options = option;
 285         r.in.handle = handle;
 286
 287         torture_assert_ntstatus_ok(tctx, dcerpc_spoolss_RemoteFindFirstPrinterChangeNotifyEx(p, tctx, &r),
 288                 "RemoteFindFirstPrinterChangeNotifyEx failed");
 289         torture_assert_werr_ok(tctx, r.out.result,
 290                 "error return code for RemoteFindFirstPrinterChangeNotifyEx");
 291
 292         return true;
 293 }
 294
 295 static bool test_ClosePrinter(struct torture_context *tctx,
 296                               struct dcerpc_pipe *p,
 297                               struct policy_handle *handle)
 298 {
 299         struct spoolss_ClosePrinter r;
 300
 301         r.in.handle = handle;
 302         r.out.handle = handle;
 303
 304         torture_comment(tctx, "Testing ClosePrinter\n");
 305
 306         torture_assert_ntstatus_ok(tctx, dcerpc_spoolss_ClosePrinter(p, tctx, &r),
 307                 "ClosePrinter failed");
 308         torture_assert_werr_ok(tctx, r.out.result,
 309                 "ClosePrinter failed");
 310
 311         return true;
 312 }
 313
 314 static bool test_start_dcerpc_server(struct torture_context *tctx,
 315                                      struct tevent_context *event_ctx,
 316                                      struct dcesrv_context **dce_ctx_p,
 317                                      const char **address_p)
 318 {
 319         struct dcesrv_endpoint_server ep_server;
 320         NTSTATUS status;
 321         struct dcesrv_context *dce_ctx;
 322         const char *endpoints[] = { "spoolss", NULL };
 323         struct dcesrv_endpoint *e;
 324         const char *address;
 325         struct interface *ifaces;
 326
 327         ntvfs_init(tctx->lp_ctx);
 328
 329         /* fill in our name */
 330         ep_server.name = "spoolss";
 331
 332         /* fill in all the operations */
 333         ep_server.init_server = spoolss__op_init_server;
 334
 335         ep_server.interface_by_uuid = spoolss__op_interface_by_uuid;
 336         ep_server.interface_by_name = spoolss__op_interface_by_name;
 337
 338         torture_assert_ntstatus_ok(tctx, dcerpc_register_ep_server(&ep_server),
 339                                   "unable to register spoolss server");
 340
 341         lp_set_cmdline(tctx->lp_ctx, "dcerpc endpoint servers", "spoolss");
 342
 343         load_interfaces(tctx, lp_interfaces(tctx->lp_ctx), &ifaces);
 344         address = iface_n_ip(ifaces, 0);
 345
 346         torture_comment(tctx, "Listening for callbacks on %s\n", address);
 347
 348         status = smbsrv_add_socket(event_ctx, tctx->lp_ctx, &single_ops, address);
 349         torture_assert_ntstatus_ok(tctx, status, "starting smb server");
 350
 351         status = dcesrv_init_context(tctx, tctx->lp_ctx, endpoints, &dce_ctx);
 352         torture_assert_ntstatus_ok(tctx, status,
 353                                    "unable to initialize DCE/RPC server");
 354
 355         for (e=dce_ctx->endpoint_list;e;e=e->next) {
 356                 status = dcesrv_add_ep(dce_ctx, tctx->lp_ctx,
 357                                        e, tctx->ev, &single_ops);
 358                 torture_assert_ntstatus_ok(tctx, status,
 359                                 "unable listen on dcerpc endpoint server");
 360         }
 361
 362         *dce_ctx_p = dce_ctx;
 363         *address_p = address;
 364
 365         return true;
 366 }
 367
 368 static struct received_packet *last_packet(struct received_packet *p)
 369 {
 370         struct received_packet *tmp;
 371         for (tmp = p; tmp->next; tmp = tmp->next) ;;
 372         return tmp;
 373 }
 374
 375 static bool test_RFFPCNEx(struct torture_context *tctx,
 376                           struct dcerpc_pipe *p)
 377 {
 378         struct dcesrv_context *dce_ctx;
 379         struct policy_handle handle;
 380         const char *address;
 381         struct received_packet *tmp;
 382         struct spoolss_NotifyOption *server_option = setup_printserver_NotifyOption(tctx);
 383
 384         received_packets = NULL;
 385
 386         /* Start DCE/RPC server */
 387         torture_assert(tctx, test_start_dcerpc_server(tctx, p->conn->event_ctx, &dce_ctx, &address), "");
 388
 389         torture_assert(tctx, test_OpenPrinter(tctx, p, &handle), "");
 390         torture_assert(tctx, test_RemoteFindFirstPrinterChangeNotifyEx(tctx, p, &handle, address, server_option), "");
 391         torture_assert(tctx, received_packets, "no packets received");
 392         torture_assert_int_equal(tctx, received_packets->opnum, NDR_SPOOLSS_REPLYOPENPRINTER,
 393                 "no ReplyOpenPrinter packet after RemoteFindFirstPrinterChangeNotifyEx");
 394         torture_assert(tctx, test_ClosePrinter(tctx, p, &handle), "");
 395         tmp = last_packet(received_packets);
 396         torture_assert_int_equal(tctx, tmp->opnum, NDR_SPOOLSS_REPLYCLOSEPRINTER,
 397                 "no ReplyClosePrinter packet after ClosePrinter");
 398
 399         /* Shut down DCE/RPC server */
 400         talloc_free(dce_ctx);
 401
 402         return true;
 403 }
 404
 405 /** Test that makes sure that calling ReplyOpenPrinter()
 406  * on Samba 4 will cause an irpc broadcast call.
 407  */
 408 static bool test_ReplyOpenPrinter(struct torture_context *tctx,
 409                                   struct dcerpc_pipe *p)
 410 {
 411         struct spoolss_ReplyOpenPrinter r;
 412         struct spoolss_ReplyClosePrinter s;
 413         struct policy_handle h;
 414
 415         if (torture_setting_bool(tctx, "samba3", false)) {
 416                 torture_skip(tctx, "skipping ReplyOpenPrinter server implementation test against s3\n");
 417         }
 418
 419         r.in.server_name = "earth";
 420         r.in.printer_local = 2;
 421         r.in.type = REG_DWORD;
 422         r.in.bufsize = 0;
 423         r.in.buffer = NULL;
 424         r.out.handle = &h;
 425
 426         torture_assert_ntstatus_ok(tctx,
 427                         dcerpc_spoolss_ReplyOpenPrinter(p, tctx, &r),
 428                         "spoolss_ReplyOpenPrinter call failed");
 429
 430         torture_assert_werr_ok(tctx, r.out.result, "error return code");
 431
 432         s.in.handle = &h;
 433         s.out.handle = &h;
 434
 435         torture_assert_ntstatus_ok(tctx,
 436                         dcerpc_spoolss_ReplyClosePrinter(p, tctx, &s),
 437                         "spoolss_ReplyClosePrinter call failed");
 438
 439         torture_assert_werr_ok(tctx, r.out.result, "error return code");
 440
 441         return true;
 442 }
 443
 444 struct torture_suite *torture_rpc_spoolss_notify(TALLOC_CTX *mem_ctx)
 445 {
 446         struct torture_suite *suite = torture_suite_create(mem_ctx, "SPOOLSS-NOTIFY");
 447
 448         struct torture_rpc_tcase *tcase = torture_suite_add_rpc_iface_tcase(suite,
 449                                                         "notify", &ndr_table_spoolss);
 450
 451         torture_rpc_tcase_add_test(tcase, "testRFFPCNEx", test_RFFPCNEx);
 452         torture_rpc_tcase_add_test(tcase, "testReplyOpenPrinter", test_ReplyOpenPrinter);
 453
 454         return suite;
 455 }