source4/lib/ldb/tools/cmdline.c

   1 /*
   2    ldb database library - command line handling for ldb tools
   3
   4    Copyright (C) Andrew Tridgell  2005
   5
   6      ** NOTE! The following LGPL license applies to the ldb
   7      ** library. This does NOT imply that all of Samba is released
   8      ** under the LGPL
   9
  10    This library is free software; you can redistribute it and/or
  11    modify it under the terms of the GNU Lesser General Public
  12    License as published by the Free Software Foundation; either
  13    version 2 of the License, or (at your option) any later version.
  14
  15    This library is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18    Lesser General Public License for more details.
  19
  20    You should have received a copy of the GNU Lesser General Public
  21    License along with this library; if not, write to the Free Software
  22    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23 */
  24
  25 #include "includes.h"
  26 #include "ldb/include/includes.h"
  27 #include "ldb/tools/cmdline.h"
  28
  29 #ifdef _SAMBA_BUILD_
  30 #include "lib/cmdline/popt_common.h"
  31 #include "lib/ldb/samba/ldif_handlers.h"
  32 #include "auth/auth.h"
  33 #include "db_wrap.h"
  34 #endif
  35
  36 /*
  37   process command line options
  38 */
  39 struct ldb_cmdline *ldb_cmdline_process(struct ldb_context *ldb, int argc, const char **argv,
  40                                         void (*usage)(void))
  41 {
  42         struct ldb_cmdline options, *ret=NULL;
  43         poptContext pc;
  44 #ifdef _SAMBA_BUILD_
  45         int r;
  46 #endif
  47     int num_options = 0;
  48         int opt;
  49         struct poptOption popt_options[] = {
  50                 POPT_AUTOHELP
  51                 { "url",       'H', POPT_ARG_STRING, &options.url, 0, "database URL", "URL" },
  52                 { "basedn",    'b', POPT_ARG_STRING, &options.basedn, 0, "base DN", "DN" },
  53                 { "editor",    'e', POPT_ARG_STRING, &options.editor, 0, "external editor", "PROGRAM" },
  54                 { "scope",     's', POPT_ARG_STRING, NULL, 's', "search scope", "SCOPE" },
  55                 { "verbose",   'v', POPT_ARG_NONE, NULL, 'v', "increase verbosity", NULL },
  56                 { "interactive", 'i', POPT_ARG_NONE, &options.interactive, 0, "input from stdin", NULL },
  57                 { "recursive", 'r', POPT_ARG_NONE, &options.recursive, 0, "recursive delete", NULL },
  58                 { "num-searches", 0, POPT_ARG_INT, &options.num_searches, 0, "number of test searches", NULL },
  59                 { "num-records", 0, POPT_ARG_INT, &options.num_records, 0, "number of test records", NULL },
  60                 { "all", 'a',    POPT_ARG_NONE, &options.all_records, 0, "(|(objectClass=*)(distinguishedName=*))", NULL },
  61                 { "nosync", 0,   POPT_ARG_NONE, &options.nosync, 0, "non-synchronous transactions", NULL },
  62                 { "sorted", 'S', POPT_ARG_NONE, &options.sorted, 0, "sort attributes", NULL },
  63                 { "sasl-mechanism", 0, POPT_ARG_STRING, &options.sasl_mechanism, 0, "choose SASL mechanism", "MECHANISM" },
  64                 { "input", 'I', POPT_ARG_STRING, &options.input, 0, "Input File", "Input" },
  65                 { "output", 'O', POPT_ARG_STRING, &options.output, 0, "Output File", "Output" },
  66                 { NULL,    'o', POPT_ARG_STRING, NULL, 'o', "ldb_connect option", "OPTION" },
  67                 { "controls", 0, POPT_ARG_STRING, NULL, 'c', "controls", NULL },
  68 #ifdef _SAMBA_BUILD_
  69                 POPT_COMMON_SAMBA
  70                 POPT_COMMON_CREDENTIALS
  71                 POPT_COMMON_VERSION
  72 #endif
  73                 POPT_TABLEEND
  74         };
  75
  76         ldb_global_init();
  77
  78 #ifdef _SAMBA_BUILD_
  79         r = ldb_register_samba_handlers(ldb);
  80         if (r != 0) {
  81                 goto failed;
  82         }
  83
  84 #endif
  85
  86         ret = talloc_zero(ldb, struct ldb_cmdline);
  87         if (ret == NULL) {
  88                 ldb_oom(ldb);
  89                 goto failed;
  90         }
  91
  92         options = *ret;
  93
  94         /* pull in URL */
  95         options.url = getenv("LDB_URL");
  96
  97         /* and editor (used by ldbedit) */
  98         options.editor = getenv("VISUAL");
  99         if (!options.editor) {
 100                 options.editor = getenv("EDITOR");
 101         }
 102         if (!options.editor) {
 103                 options.editor = "vi";
 104         }
 105
 106         options.scope = LDB_SCOPE_DEFAULT;
 107
 108         pc = poptGetContext(argv[0], argc, argv, popt_options,
 109                             POPT_CONTEXT_KEEP_FIRST);
 110
 111         while((opt = poptGetNextOpt(pc)) != -1) {
 112                 switch (opt) {
 113                 case 's': {
 114                         const char *arg = poptGetOptArg(pc);
 115                         if (strcmp(arg, "base") == 0) {
 116                                 options.scope = LDB_SCOPE_BASE;
 117                         } else if (strcmp(arg, "sub") == 0) {
 118                                 options.scope = LDB_SCOPE_SUBTREE;
 119                         } else if (strcmp(arg, "one") == 0) {
 120                                 options.scope = LDB_SCOPE_ONELEVEL;
 121                         } else {
 122                                 fprintf(stderr, "Invalid scope '%s'\n", arg);
 123                                 goto failed;
 124                         }
 125                         break;
 126                 }
 127
 128                 case 'v':
 129                         options.verbose++;
 130                         break;
 131
 132                 case 'o':
 133                         options.options = talloc_realloc(ret, options.options,
 134                                                          const char *, num_options+3);
 135                         if (options.options == NULL) {
 136                                 ldb_oom(ldb);
 137                                 goto failed;
 138                         }
 139                         options.options[num_options] = poptGetOptArg(pc);
 140                         options.options[num_options+1] = NULL;
 141                         num_options++;
 142                         break;
 143
 144                 case 'c': {
 145                         const char *cs = poptGetOptArg(pc);
 146                         const char *p, *q;
 147                         int cc;
 148
 149                         for (p = cs, cc = 1; (q = strchr(p, ',')); cc++, p = q + 1) ;
 150
 151                         options.controls = talloc_array(ret, char *, cc + 1);
 152                         if (options.controls == NULL) {
 153                                 ldb_oom(ldb);
 154                                 goto failed;
 155                         }
 156                         for (p = cs, cc = 0; p != NULL; cc++) {
 157                                 const char *t;
 158
 159                                 t = strchr(p, ',');
 160                                 if (t == NULL) {
 161                                         options.controls[cc] = talloc_strdup(options.controls, p);
 162                                         p = NULL;
 163                                 } else {
 164                                         options.controls[cc] = talloc_strndup(options.controls, p, t-p);
 165                                         p = t + 1;
 166                                 }
 167                         }
 168                         options.controls[cc] = NULL;
 169
 170                         break;
 171                 }
 172                 default:
 173                         fprintf(stderr, "Invalid option %s: %s\n",
 174                                 poptBadOption(pc, 0), poptStrerror(opt));
 175                         if (usage) usage();
 176                         goto failed;
 177                 }
 178         }
 179
 180         /* setup the remaining options for the main program to use */
 181         options.argv = poptGetArgs(pc);
 182         if (options.argv) {
 183                 options.argv++;
 184                 while (options.argv[options.argc]) options.argc++;
 185         }
 186
 187         *ret = options;
 188
 189         /* all utils need some option */
 190         if (ret->url == NULL) {
 191                 fprintf(stderr, "You must supply a url with -H or with $LDB_URL\n");
 192                 if (usage) usage();
 193                 goto failed;
 194         }
 195
 196         if (strcmp(ret->url, "NONE") != 0) {
 197                 int flags = 0;
 198                 if (options.nosync) {
 199                         flags |= LDB_FLG_NOSYNC;
 200                 }
 201
 202 #ifdef _SAMBA_BUILD_
 203                 /* Must be after we have processed command line options */
 204                 gensec_init();
 205
 206                 if (ldb_set_opaque(ldb, "sessionInfo", system_session(ldb))) {
 207                         goto failed;
 208                 }
 209                 if (ldb_set_opaque(ldb, "credentials", cmdline_credentials)) {
 210                         goto failed;
 211                 }
 212                 ldb_set_utf8_fns(ldb, NULL, wrap_casefold);
 213 #endif
 214                 if (ldb_connect(ldb, ret->url, flags, ret->options) != 0) {
 215                         fprintf(stderr, "Failed to connect to %s - %s\n",
 216                                 ret->url, ldb_errstring(ldb));
 217                         goto failed;
 218                 }
 219         }
 220
 221         return ret;
 222
 223 failed:
 224         talloc_free(ret);
 225         exit(1);
 226         return NULL;
 227 }
 228
 229 struct ldb_control **parse_controls(void *mem_ctx, char **control_strings)
 230 {
 231         int i;
 232         struct ldb_control **ctrl;
 233
 234         if (control_strings == NULL || control_strings[0] == NULL)
 235                 return NULL;
 236
 237         for (i = 0; control_strings[i]; i++);
 238
 239         ctrl = talloc_array(mem_ctx, struct ldb_control *, i + 1);
 240
 241         for (i = 0; control_strings[i]; i++) {
 242                 if (strncmp(control_strings[i], "vlv:", 4) == 0) {
 243                         struct ldb_vlv_req_control *control;
 244                         const char *p;
 245                         char attr[1024];
 246                         char ctxid[1024];
 247                         int crit, bc, ac, os, cc, ret;
 248
 249                         attr[0] = '\0';
 250                         ctxid[0] = '\0';
 251                         p = &(control_strings[i][4]);
 252                         ret = sscanf(p, "%d:%d:%d:%d:%d:%1023[^$]", &crit, &bc, &ac, &os, &cc, ctxid);
 253                         if (ret < 5) {
 254                                 ret = sscanf(p, "%d:%d:%d:%1023[^:]:%1023[^$]", &crit, &bc, &ac, attr, ctxid);
 255                         }
 256
 257                         if ((ret < 4) || (crit < 0) || (crit > 1)) {
 258                                 fprintf(stderr, "invalid server_sort control syntax\n");
 259                                 fprintf(stderr, " syntax: crit(b):bc(n):ac(n):<os(n):cc(n)|attr(s)>[:ctxid(o)]\n");
 260                                 fprintf(stderr, "   note: b = boolean, n = number, s = string, o = b64 binary blob\n");
 261                                 return NULL;
 262                         }
 263                         ctrl[i] = talloc(ctrl, struct ldb_control);
 264                         ctrl[i]->oid = LDB_CONTROL_VLV_REQ_OID;
 265                         ctrl[i]->critical = crit;
 266                         control = talloc(ctrl[i], struct ldb_vlv_req_control);
 267                         control->beforeCount = bc;
 268                         control->afterCount = ac;
 269                         if (attr[0]) {
 270                                 control->type = 1;
 271                                 control->match.gtOrEq.value = talloc_strdup(control, attr);
 272                                 control->match.gtOrEq.value_len = strlen(attr);
 273                         } else {
 274                                 control->type = 0;
 275                                 control->match.byOffset.offset = os;
 276                                 control->match.byOffset.contentCount = cc;
 277                         }
 278                         if (ctxid[0]) {
 279                                 control->ctxid_len = ldb_base64_decode(ctxid);
 280                                 control->contextId = talloc_memdup(control, ctxid, control->ctxid_len);
 281                         } else {
 282                                 control->ctxid_len = 0;
 283                                 control->contextId = NULL;
 284                         }
 285                         ctrl[i]->data = control;
 286
 287                         continue;
 288                 }
 289
 290                 if (strncmp(control_strings[i], "dirsync:", 8) == 0) {
 291                         struct ldb_dirsync_control *control;
 292                         const char *p;
 293                         char cookie[1024];
 294                         int crit, flags, max_attrs, ret;
 295
 296                         cookie[0] = '\0';
 297                         p = &(control_strings[i][8]);
 298                         ret = sscanf(p, "%d:%d:%d:%1023[^$]", &crit, &flags, &max_attrs, cookie);
 299
 300                         if ((ret < 3) || (crit < 0) || (crit > 1) || (flags < 0) || (max_attrs < 0)) {
 301                                 fprintf(stderr, "invalid dirsync control syntax\n");
 302                                 fprintf(stderr, " syntax: crit(b):flags(n):max_attrs(n)[:cookie(o)]\n");
 303                                 fprintf(stderr, "   note: b = boolean, n = number, o = b64 binary blob\n");
 304                                 return NULL;
 305                         }
 306
 307                         /* w2k3 seems to ignore the parameter,
 308                          * but w2k sends a wrong cookie when this value is to small
 309                          * this would cause looping forever, while getting
 310                          * the same data and same cookie forever
 311                          */
 312                         if (max_attrs == 0) max_attrs = 0x0FFFFFFF;
 313
 314                         ctrl[i] = talloc(ctrl, struct ldb_control);
 315                         ctrl[i]->oid = LDB_CONTROL_DIRSYNC_OID;
 316                         ctrl[i]->critical = crit;
 317                         control = talloc(ctrl[i], struct ldb_dirsync_control);
 318                         control->flags = flags;
 319                         control->max_attributes = max_attrs;
 320                         if (*cookie) {
 321                                 control->cookie_len = ldb_base64_decode(cookie);
 322                                 control->cookie = talloc_memdup(control, cookie, control->cookie_len);
 323                         } else {
 324                                 control->cookie = NULL;
 325                                 control->cookie_len = 0;
 326                         }
 327                         ctrl[i]->data = control;
 328
 329                         continue;
 330                 }
 331
 332                 if (strncmp(control_strings[i], "asq:", 4) == 0) {
 333                         struct ldb_asq_control *control;
 334                         const char *p;
 335                         char attr[256];
 336                         int crit, ret;
 337
 338                         attr[0] = '\0';
 339                         p = &(control_strings[i][4]);
 340                         ret = sscanf(p, "%d:%255[^$]", &crit, attr);
 341                         if ((ret != 2) || (crit < 0) || (crit > 1) || (attr[0] == '\0')) {
 342                                 fprintf(stderr, "invalid asq control syntax\n");
 343                                 fprintf(stderr, " syntax: crit(b):attr(s)\n");
 344                                 fprintf(stderr, "   note: b = boolean, s = string\n");
 345                                 return NULL;
 346                         }
 347
 348                         ctrl[i] = talloc(ctrl, struct ldb_control);
 349                         ctrl[i]->oid = LDB_CONTROL_ASQ_OID;
 350                         ctrl[i]->critical = crit;
 351                         control = talloc(ctrl[i], struct ldb_asq_control);
 352                         control->request = 1;
 353                         control->source_attribute = talloc_strdup(control, attr);
 354                         control->src_attr_len = strlen(attr);
 355                         ctrl[i]->data = control;
 356
 357                         continue;
 358                 }
 359
 360                 if (strncmp(control_strings[i], "extended_dn:", 12) == 0) {
 361                         struct ldb_extended_dn_control *control;
 362                         const char *p;
 363                         int crit, type, ret;
 364
 365                         p = &(control_strings[i][12]);
 366                         ret = sscanf(p, "%d:%d", &crit, &type);
 367                         if ((ret != 2) || (crit < 0) || (crit > 1) || (type < 0) || (type > 1)) {
 368                                 fprintf(stderr, "invalid extended_dn control syntax\n");
 369                                 fprintf(stderr, " syntax: crit(b):type(b)\n");
 370                                 fprintf(stderr, "   note: b = boolean\n");
 371                                 return NULL;
 372                         }
 373
 374                         ctrl[i] = talloc(ctrl, struct ldb_control);
 375                         ctrl[i]->oid = LDB_CONTROL_EXTENDED_DN_OID;
 376                         ctrl[i]->critical = crit;
 377                         control = talloc(ctrl[i], struct ldb_extended_dn_control);
 378                         control->type = type;
 379                         ctrl[i]->data = control;
 380
 381                         continue;
 382                 }
 383
 384                 if (strncmp(control_strings[i], "paged_results:", 14) == 0) {
 385                         struct ldb_paged_control *control;
 386                         const char *p;
 387                         int crit, size, ret;
 388
 389                         p = &(control_strings[i][14]);
 390                         ret = sscanf(p, "%d:%d", &crit, &size);
 391
 392                         if ((ret != 2) || (crit < 0) || (crit > 1) || (size < 0)) {
 393                                 fprintf(stderr, "invalid paged_results control syntax\n");
 394                                 fprintf(stderr, " syntax: crit(b):size(n)\n");
 395                                 fprintf(stderr, "   note: b = boolean, n = number\n");
 396                                 return NULL;
 397                         }
 398
 399                         ctrl[i] = talloc(ctrl, struct ldb_control);
 400                         ctrl[i]->oid = LDB_CONTROL_PAGED_RESULTS_OID;
 401                         ctrl[i]->critical = crit;
 402                         control = talloc(ctrl[i], struct ldb_paged_control);
 403                         control->size = size;
 404                         control->cookie = NULL;
 405                         control->cookie_len = 0;
 406                         ctrl[i]->data = control;
 407
 408                         continue;
 409                 }
 410
 411                 if (strncmp(control_strings[i], "server_sort:", 12) == 0) {
 412                         struct ldb_server_sort_control **control;
 413                         const char *p;
 414                         char attr[256];
 415                         char rule[128];
 416                         int crit, rev, ret;
 417
 418                         attr[0] = '\0';
 419                         rule[0] = '\0';
 420                         p = &(control_strings[i][12]);
 421                         ret = sscanf(p, "%d:%d:%255[^:]:%127[^:]", &crit, &rev, attr, rule);
 422                         if ((ret < 3) || (crit < 0) || (crit > 1) || (rev < 0 ) || (rev > 1) ||attr[0] == '\0') {
 423                                 fprintf(stderr, "invalid server_sort control syntax\n");
 424                                 fprintf(stderr, " syntax: crit(b):rev(b):attr(s)[:rule(s)]\n");
 425                                 fprintf(stderr, "   note: b = boolean, s = string\n");
 426                                 return NULL;
 427                         }
 428                         ctrl[i] = talloc(ctrl, struct ldb_control);
 429                         ctrl[i]->oid = LDB_CONTROL_SERVER_SORT_OID;
 430                         ctrl[i]->critical = crit;
 431                         control = talloc_array(ctrl[i], struct ldb_server_sort_control *, 2);
 432                         control[0] = talloc(control, struct ldb_server_sort_control);
 433                         control[0]->attributeName = talloc_strdup(control, attr);
 434                         if (rule[0])
 435                                 control[0]->orderingRule = talloc_strdup(control, rule);
 436                         else
 437                                 control[0]->orderingRule = NULL;
 438                         control[0]->reverse = rev;
 439                         control[1] = NULL;
 440                         ctrl[i]->data = control;
 441
 442                         continue;
 443                 }
 444
 445                 if (strncmp(control_strings[i], "notification:", 13) == 0) {
 446                         const char *p;
 447                         int crit, ret;
 448
 449                         p = &(control_strings[i][13]);
 450                         ret = sscanf(p, "%d", &crit);
 451                         if ((ret != 1) || (crit < 0) || (crit > 1)) {
 452                                 fprintf(stderr, "invalid notification control syntax\n");
 453                                 fprintf(stderr, " syntax: crit(b)\n");
 454                                 fprintf(stderr, "   note: b = boolean\n");
 455                                 return NULL;
 456                         }
 457
 458                         ctrl[i] = talloc(ctrl, struct ldb_control);
 459                         ctrl[i]->oid = LDB_CONTROL_NOTIFICATION_OID;
 460                         ctrl[i]->critical = crit;
 461                         ctrl[i]->data = NULL;
 462
 463                         continue;
 464                 }
 465
 466                 /* no controls matched, throw an error */
 467                 fprintf(stderr, "Invalid control name\n");
 468                 return NULL;
 469         }
 470
 471         ctrl[i] = NULL;
 472
 473         return ctrl;
 474 }
 475
 476
 477 /* this function check controls reply and determines if more
 478  * processing is needed setting up the request controls correctly
 479  *
 480  * returns:
 481  *      -1 error
 482  *      0 all ok
 483  *      1 all ok, more processing required
 484  */
 485 int handle_controls_reply(struct ldb_control **reply, struct ldb_control **request)
 486 {
 487         int i, j;
 488         int ret = 0;
 489
 490         if (reply == NULL || request == NULL) return -1;
 491
 492         for (i = 0; reply[i]; i++) {
 493                 if (strcmp(LDB_CONTROL_VLV_RESP_OID, reply[i]->oid) == 0) {
 494                         struct ldb_vlv_resp_control *rep_control;
 495
 496                         rep_control = talloc_get_type(reply[i]->data, struct ldb_vlv_resp_control);
 497
 498                         /* check we have a matching control in the request */
 499                         for (j = 0; request[j]; j++) {
 500                                 if (strcmp(LDB_CONTROL_VLV_REQ_OID, request[j]->oid) == 0)
 501                                         break;
 502                         }
 503                         if (! request[j]) {
 504                                 fprintf(stderr, "Warning VLV reply received but no request have been made\n");
 505                                 continue;
 506                         }
 507
 508                         /* check the result */
 509                         if (rep_control->vlv_result != 0) {
 510                                 fprintf(stderr, "Warning: VLV not performed with error: %d\n", rep_control->vlv_result);
 511                         } else {
 512                                 fprintf(stderr, "VLV Info: target position = %d, content count = %d\n", rep_control->targetPosition, rep_control->contentCount);
 513                         }
 514
 515                         continue;
 516                 }
 517
 518                 if (strcmp(LDB_CONTROL_ASQ_OID, reply[i]->oid) == 0) {
 519                         struct ldb_asq_control *rep_control;
 520
 521                         rep_control = talloc_get_type(reply[i]->data, struct ldb_asq_control);
 522
 523                         /* check the result */
 524                         if (rep_control->result != 0) {
 525                                 fprintf(stderr, "Warning: ASQ not performed with error: %d\n", rep_control->result);
 526                         }
 527
 528                         continue;
 529                 }
 530
 531                 if (strcmp(LDB_CONTROL_PAGED_RESULTS_OID, reply[i]->oid) == 0) {
 532                         struct ldb_paged_control *rep_control, *req_control;
 533
 534                         rep_control = talloc_get_type(reply[i]->data, struct ldb_paged_control);
 535                         if (rep_control->cookie_len == 0) /* we are done */
 536                                 break;
 537
 538                         /* more processing required */
 539                         /* let's fill in the request control with the new cookie */
 540
 541                         for (j = 0; request[j]; j++) {
 542                                 if (strcmp(LDB_CONTROL_PAGED_RESULTS_OID, request[j]->oid) == 0)
 543                                         break;
 544                         }
 545                         /* if there's a reply control we must find a request
 546                          * control matching it */
 547                         if (! request[j]) return -1;
 548
 549                         req_control = talloc_get_type(request[j]->data, struct ldb_paged_control);
 550
 551                         if (req_control->cookie)
 552                                 talloc_free(req_control->cookie);
 553                         req_control->cookie = talloc_memdup(req_control,
 554                                                             rep_control->cookie,
 555                                                             rep_control->cookie_len);
 556                         req_control->cookie_len = rep_control->cookie_len;
 557
 558                         ret = 1;
 559
 560                         continue;
 561                 }
 562
 563                 if (strcmp(LDB_CONTROL_SORT_RESP_OID, reply[i]->oid) == 0) {
 564                         struct ldb_sort_resp_control *rep_control;
 565
 566                         rep_control = talloc_get_type(reply[i]->data, struct ldb_sort_resp_control);
 567
 568                         /* check we have a matching control in the request */
 569                         for (j = 0; request[j]; j++) {
 570                                 if (strcmp(LDB_CONTROL_SERVER_SORT_OID, request[j]->oid) == 0)
 571                                         break;
 572                         }
 573                         if (! request[j]) {
 574                                 fprintf(stderr, "Warning Server Sort reply received but no request found\n");
 575                                 continue;
 576                         }
 577
 578                         /* check the result */
 579                         if (rep_control->result != 0) {
 580                                 fprintf(stderr, "Warning: Sorting not performed with error: %d\n", rep_control->result);
 581                         }
 582
 583                         continue;
 584                 }
 585
 586                 if (strcmp(LDB_CONTROL_DIRSYNC_OID, reply[i]->oid) == 0) {
 587                         struct ldb_dirsync_control *rep_control, *req_control;
 588                         char *cookie;
 589
 590                         rep_control = talloc_get_type(reply[i]->data, struct ldb_dirsync_control);
 591                         if (rep_control->cookie_len == 0) /* we are done */
 592                                 break;
 593
 594                         /* more processing required */
 595                         /* let's fill in the request control with the new cookie */
 596
 597                         for (j = 0; request[j]; j++) {
 598                                 if (strcmp(LDB_CONTROL_DIRSYNC_OID, request[j]->oid) == 0)
 599                                         break;
 600                         }
 601                         /* if there's a reply control we must find a request
 602                          * control matching it */
 603                         if (! request[j]) return -1;
 604
 605                         req_control = talloc_get_type(request[j]->data, struct ldb_dirsync_control);
 606
 607                         if (req_control->cookie)
 608                                 talloc_free(req_control->cookie);
 609                         req_control->cookie = talloc_memdup(req_control,
 610                                                             rep_control->cookie,
 611                                                             rep_control->cookie_len);
 612                         req_control->cookie_len = rep_control->cookie_len;
 613
 614                         cookie = ldb_base64_encode(req_control, rep_control->cookie, rep_control->cookie_len);
 615                         printf("# DIRSYNC cookie returned was:\n# %s\n", cookie);
 616
 617                         continue;
 618                 }
 619
 620                 /* no controls matched, throw a warning */
 621                 fprintf(stderr, "Unknown reply control oid: %s\n", reply[i]->oid);
 622         }
 623
 624         return ret;
 625 }
 626