source3/winbindd/winbindd_misc.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    Winbind daemon - miscellaneous other functions
   5
   6    Copyright (C) Tim Potter      2000
   7    Copyright (C) Andrew Bartlett 2002
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #include "includes.h"
  24 #include "winbindd.h"
  25 #include "../librpc/gen_ndr/cli_netlogon.h"
  26
  27 #undef DBGC_CLASS
  28 #define DBGC_CLASS DBGC_WINBIND
  29
  30 /* Constants and helper functions for determining domain trust types */
  31
  32 enum trust_type {
  33         EXTERNAL = 0,
  34         FOREST,
  35         IN_FOREST,
  36         NONE,
  37 };
  38
  39 const char *trust_type_strings[] = {"External",
  40                                     "Forest",
  41                                     "In Forest",
  42                                     "None"};
  43
  44 static enum trust_type get_trust_type(struct winbindd_tdc_domain *domain)
  45 {
  46         if (domain->trust_attribs == NETR_TRUST_ATTRIBUTE_QUARANTINED_DOMAIN)
  47                 return EXTERNAL;
  48         else if (domain->trust_attribs == NETR_TRUST_ATTRIBUTE_FOREST_TRANSITIVE)
  49                 return FOREST;
  50         else if (((domain->trust_flags & NETR_TRUST_FLAG_IN_FOREST) == NETR_TRUST_FLAG_IN_FOREST) &&
  51             ((domain->trust_flags & NETR_TRUST_FLAG_PRIMARY) == 0x0))
  52                 return IN_FOREST;
  53         return NONE;
  54 }
  55
  56 static const char *get_trust_type_string(struct winbindd_tdc_domain *domain)
  57 {
  58         return trust_type_strings[get_trust_type(domain)];
  59 }
  60
  61 static bool trust_is_inbound(struct winbindd_tdc_domain *domain)
  62 {
  63         return (domain->trust_flags == 0x0) ||
  64             ((domain->trust_flags & NETR_TRUST_FLAG_IN_FOREST) ==
  65             NETR_TRUST_FLAG_IN_FOREST) ||
  66             ((domain->trust_flags & NETR_TRUST_FLAG_INBOUND) ==
  67             NETR_TRUST_FLAG_INBOUND);
  68 }
  69
  70 static bool trust_is_outbound(struct winbindd_tdc_domain *domain)
  71 {
  72         return (domain->trust_flags == 0x0) ||
  73             ((domain->trust_flags & NETR_TRUST_FLAG_IN_FOREST) ==
  74             NETR_TRUST_FLAG_IN_FOREST) ||
  75             ((domain->trust_flags & NETR_TRUST_FLAG_OUTBOUND) ==
  76             NETR_TRUST_FLAG_OUTBOUND);
  77 }
  78
  79 static bool trust_is_transitive(struct winbindd_tdc_domain *domain)
  80 {
  81         if ((domain->trust_attribs == NETR_TRUST_ATTRIBUTE_NON_TRANSITIVE) ||
  82             (domain->trust_attribs == NETR_TRUST_ATTRIBUTE_QUARANTINED_DOMAIN) ||
  83             (domain->trust_attribs == NETR_TRUST_ATTRIBUTE_TREAT_AS_EXTERNAL))
  84                 return False;
  85         return True;
  86 }
  87
  88 void winbindd_list_trusted_domains(struct winbindd_cli_state *state)
  89 {
  90         struct winbindd_tdc_domain *dom_list = NULL;
  91         struct winbindd_tdc_domain *d = NULL;
  92         size_t num_domains = 0;
  93         int extra_data_len = 0;
  94         char *extra_data = NULL;
  95         int i = 0;
  96
  97         DEBUG(3, ("[%5lu]: list trusted domains\n",
  98                   (unsigned long)state->pid));
  99
 100         if( !wcache_tdc_fetch_list( &dom_list, &num_domains )) {
 101                 request_error(state);
 102                 goto done;
 103         }
 104
 105         extra_data = talloc_strdup(state->mem_ctx, "");
 106         if (extra_data == NULL) {
 107                 request_error(state);
 108                 goto done;
 109         }
 110
 111         for ( i = 0; i < num_domains; i++ ) {
 112                 struct winbindd_domain *domain;
 113                 bool is_online = true;
 114
 115                 d = &dom_list[i];
 116                 domain = find_domain_from_name_noinit(d->domain_name);
 117                 if (domain) {
 118                         is_online = domain->online;
 119                 }
 120                 extra_data = talloc_asprintf_append_buffer(
 121                         extra_data,
 122                         "%s\\%s\\%s\\%s\\%s\\%s\\%s\\%s\n",
 123                         d->domain_name,
 124                         d->dns_name ? d->dns_name : d->domain_name,
 125                         sid_string_talloc(state->mem_ctx, &d->sid),
 126                         get_trust_type_string(d),
 127                         trust_is_transitive(d) ? "Yes" : "No",
 128                         trust_is_inbound(d) ? "Yes" : "No",
 129                         trust_is_outbound(d) ? "Yes" : "No",
 130                         is_online ? "Online" : "Offline" );
 131         }
 132
 133         extra_data_len = strlen(extra_data);
 134         if (extra_data_len > 0) {
 135
 136                 /* Strip the last \n */
 137                 extra_data[extra_data_len-1] = '\0';
 138
 139                 state->response->extra_data.data = extra_data;
 140                 state->response->length += extra_data_len;
 141         }
 142
 143         request_ok(state);
 144 done:
 145         TALLOC_FREE( dom_list );
 146 }
 147
 148 enum winbindd_result winbindd_dual_list_trusted_domains(struct winbindd_domain *domain,
 149                                                         struct winbindd_cli_state *state)
 150 {
 151         int i;
 152         int extra_data_len = 0;
 153         char *extra_data;
 154         NTSTATUS result;
 155         bool have_own_domain = False;
 156         struct netr_DomainTrustList trusts;
 157
 158         DEBUG(3, ("[%5lu]: list trusted domains\n",
 159                   (unsigned long)state->pid));
 160
 161         result = domain->methods->trusted_domains(domain, state->mem_ctx,
 162                                                   &trusts);
 163
 164         if (!NT_STATUS_IS_OK(result)) {
 165                 DEBUG(3, ("winbindd_dual_list_trusted_domains: trusted_domains returned %s\n",
 166                         nt_errstr(result) ));
 167                 return WINBINDD_ERROR;
 168         }
 169
 170         extra_data = talloc_strdup(state->mem_ctx, "");
 171
 172         for (i=0; i<trusts.count; i++) {
 173                 extra_data = talloc_asprintf_append_buffer(
 174                         extra_data, "%s\\%s\\%s\n",
 175                         trusts.array[i].netbios_name,
 176                         trusts.array[i].dns_name,
 177                         sid_string_talloc(state->mem_ctx,
 178                                           trusts.array[i].sid));
 179         }
 180
 181         /* add our primary domain */
 182
 183         for (i=0; i<trusts.count; i++) {
 184                 if (strequal(trusts.array[i].netbios_name, domain->name)) {
 185                         have_own_domain = True;
 186                         break;
 187                 }
 188         }
 189
 190         if (state->request->data.list_all_domains && !have_own_domain) {
 191                 extra_data = talloc_asprintf_append_buffer(
 192                         extra_data, "%s\\%s\\%s\n", domain->name,
 193                         domain->alt_name ? domain->alt_name : domain->name,
 194                         sid_string_talloc(state->mem_ctx, &domain->sid));
 195         }
 196
 197         extra_data_len = strlen(extra_data);
 198         if (extra_data_len > 0) {
 199
 200                 /* Strip the last \n */
 201                 extra_data[extra_data_len-1] = '\0';
 202
 203                 state->response->extra_data.data = extra_data;
 204                 state->response->length += extra_data_len+1;
 205         }
 206
 207         return WINBINDD_OK;
 208 }
 209
 210 /* This is the child-only version of --sequence. It only allows for a single
 211  * domain (ie "our" one) to be displayed. */
 212
 213 enum winbindd_result winbindd_dual_show_sequence(struct winbindd_domain *domain,
 214                                                  struct winbindd_cli_state *state)
 215 {
 216         DEBUG(3, ("[%5lu]: show sequence\n", (unsigned long)state->pid));
 217
 218         /* Ensure null termination */
 219         state->request->domain_name[sizeof(state->request->domain_name)-1]='\0';
 220
 221         domain->methods->sequence_number(domain, &domain->sequence_number);
 222
 223         state->response->data.sequence_number =
 224                 domain->sequence_number;
 225
 226         return WINBINDD_OK;
 227 }
 228
 229 struct domain_info_state {
 230         struct winbindd_domain *domain;
 231         struct winbindd_cli_state *cli;
 232         struct winbindd_request ping_request;
 233 };
 234
 235 static void domain_info_done(struct tevent_req *req);
 236
 237 void winbindd_domain_info(struct winbindd_cli_state *cli)
 238 {
 239         struct domain_info_state *state;
 240         struct winbindd_domain *domain;
 241         struct tevent_req *req;
 242
 243         DEBUG(3, ("[%5lu]: domain_info [%s]\n", (unsigned long)cli->pid,
 244                   cli->request->domain_name));
 245
 246         domain = find_domain_from_name_noinit(cli->request->domain_name);
 247
 248         if (domain == NULL) {
 249                 DEBUG(3, ("Did not find domain [%s]\n",
 250                           cli->request->domain_name));
 251                 request_error(cli);
 252                 return;
 253         }
 254
 255         if (domain->initialized) {
 256                 fstrcpy(cli->response->data.domain_info.name,
 257                         domain->name);
 258                 fstrcpy(cli->response->data.domain_info.alt_name,
 259                         domain->alt_name);
 260                 sid_to_fstring(cli->response->data.domain_info.sid,
 261                                &domain->sid);
 262                 cli->response->data.domain_info.native_mode =
 263                         domain->native_mode;
 264                 cli->response->data.domain_info.active_directory =
 265                         domain->active_directory;
 266                 cli->response->data.domain_info.primary =
 267                         domain->primary;
 268                 request_ok(cli);
 269                 return;
 270         }
 271
 272         state = talloc_zero(cli->mem_ctx, struct domain_info_state);
 273         if (state == NULL) {
 274                 DEBUG(0, ("talloc failed\n"));
 275                 request_error(cli);
 276                 return;
 277         }
 278
 279         state->cli = cli;
 280         state->domain = domain;
 281         state->ping_request.cmd = WINBINDD_PING;
 282
 283         /*
 284          * Send a ping down. This implicitly initializes the domain.
 285          */
 286
 287         req = wb_domain_request_send(state, winbind_event_context(),
 288                                      domain, &state->ping_request);
 289         if (req == NULL) {
 290                 DEBUG(3, ("wb_domain_request_send failed\n"));
 291                 request_error(cli);
 292                 return;
 293         }
 294         tevent_req_set_callback(req, domain_info_done, state);
 295 }
 296
 297 static void domain_info_done(struct tevent_req *req)
 298 {
 299         struct domain_info_state *state = tevent_req_callback_data(
 300                 req, struct domain_info_state);
 301         struct winbindd_response *response;
 302         int ret, err;
 303
 304         ret = wb_domain_request_recv(req, req, &response, &err);
 305         TALLOC_FREE(req);
 306         if (ret == -1) {
 307                 DEBUG(10, ("wb_domain_request failed: %s\n", strerror(errno)));
 308                 request_error(state->cli);
 309                 return;
 310         }
 311         if (!state->domain->initialized) {
 312                 DEBUG(5, ("wb_domain_request did not initialize domain %s\n",
 313                           state->domain->name));
 314                 request_error(state->cli);
 315                 return;
 316         }
 317
 318         fstrcpy(state->cli->response->data.domain_info.name,
 319                 state->domain->name);
 320         fstrcpy(state->cli->response->data.domain_info.alt_name,
 321                 state->domain->alt_name);
 322         sid_to_fstring(state->cli->response->data.domain_info.sid,
 323                        &state->domain->sid);
 324
 325         state->cli->response->data.domain_info.native_mode =
 326                 state->domain->native_mode;
 327         state->cli->response->data.domain_info.active_directory =
 328                 state->domain->active_directory;
 329         state->cli->response->data.domain_info.primary =
 330                 state->domain->primary;
 331
 332         request_ok(state->cli);
 333 }
 334
 335 /* List various tidbits of information */
 336
 337 void winbindd_info(struct winbindd_cli_state *state)
 338 {
 339
 340         DEBUG(3, ("[%5lu]: request misc info\n", (unsigned long)state->pid));
 341
 342         state->response->data.info.winbind_separator = *lp_winbind_separator();
 343         fstrcpy(state->response->data.info.samba_version, samba_version_string());
 344         request_ok(state);
 345 }
 346
 347 /* Tell the client the current interface version */
 348
 349 void winbindd_interface_version(struct winbindd_cli_state *state)
 350 {
 351         DEBUG(3, ("[%5lu]: request interface version\n",
 352                   (unsigned long)state->pid));
 353
 354         state->response->data.interface_version = WINBIND_INTERFACE_VERSION;
 355         request_ok(state);
 356 }
 357
 358 /* What domain are we a member of? */
 359
 360 void winbindd_domain_name(struct winbindd_cli_state *state)
 361 {
 362         DEBUG(3, ("[%5lu]: request domain name\n", (unsigned long)state->pid));
 363
 364         fstrcpy(state->response->data.domain_name, lp_workgroup());
 365         request_ok(state);
 366 }
 367
 368 /* What's my name again? */
 369
 370 void winbindd_netbios_name(struct winbindd_cli_state *state)
 371 {
 372         DEBUG(3, ("[%5lu]: request netbios name\n",
 373                   (unsigned long)state->pid));
 374
 375         fstrcpy(state->response->data.netbios_name, global_myname());
 376         request_ok(state);
 377 }
 378
 379 /* Where can I find the privileged pipe? */
 380
 381 void winbindd_priv_pipe_dir(struct winbindd_cli_state *state)
 382 {
 383         char *priv_dir;
 384         DEBUG(3, ("[%5lu]: request location of privileged pipe\n",
 385                   (unsigned long)state->pid));
 386
 387         priv_dir = get_winbind_priv_pipe_dir();
 388         state->response->extra_data.data = talloc_move(state->mem_ctx,
 389                                                       &priv_dir);
 390
 391         /* must add one to length to copy the 0 for string termination */
 392         state->response->length +=
 393                 strlen((char *)state->response->extra_data.data) + 1;
 394
 395         request_ok(state);
 396 }
 397