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struct ldb_control** ldb_parse_control_strings ( struct ldb_context *  ldb,
void *  mem_ctx,
const char **  control_strings 
) [read]

Convert an array of string represention of a control into an array of ldb_control structures

Parameters:
ldb LDB context
mem_ctx TALLOC context to return result on, and to allocate error_string on
control_strings Array of string-formatted controls
Returns:
array of ldb_control elements

Definition at line 137 of file ldb_controls.c.

References LDB_CONTROL_ASQ_OID, LDB_CONTROL_DIRSYNC_OID, LDB_CONTROL_DOMAIN_SCOPE_OID, LDB_CONTROL_EXTENDED_DN_OID, LDB_CONTROL_NOTIFICATION_OID, LDB_CONTROL_PAGED_RESULTS_OID, LDB_CONTROL_PERMISSIVE_MODIFY_OID, LDB_CONTROL_SD_FLAGS_OID, LDB_CONTROL_SEARCH_OPTIONS_OID, LDB_CONTROL_SERVER_SORT_OID, LDB_CONTROL_SHOW_DELETED_OID, and LDB_CONTROL_VLV_REQ_OID.

{
      int i;
      struct ldb_control **ctrl;

      char *error_string = NULL;

      if (control_strings == NULL || control_strings[0] == NULL)
            return NULL;

      for (i = 0; control_strings[i]; i++);

      ctrl = talloc_array(mem_ctx, struct ldb_control *, i + 1);

      for (i = 0; control_strings[i]; i++) {
            if (strncmp(control_strings[i], "vlv:", 4) == 0) {
                  struct ldb_vlv_req_control *control;
                  const char *p;
                  char attr[1024];
                  char ctxid[1024];
                  int crit, bc, ac, os, cc, ret;

                  attr[0] = '\0';
                  ctxid[0] = '\0';
                  p = &(control_strings[i][4]);
                  ret = sscanf(p, "%d:%d:%d:%d:%d:%1023[^$]", &crit, &bc, &ac, &os, &cc, ctxid);
                  if (ret < 5) {
                        ret = sscanf(p, "%d:%d:%d:%1023[^:]:%1023[^$]", &crit, &bc, &ac, attr, ctxid);
                  }
                         
                  if ((ret < 4) || (crit < 0) || (crit > 1)) {
                        error_string = talloc_asprintf(mem_ctx, "invalid server_sort control syntax\n");
                        error_string = talloc_asprintf_append(error_string, " syntax: crit(b):bc(n):ac(n):<os(n):cc(n)|attr(s)>[:ctxid(o)]\n");
                        error_string = talloc_asprintf_append(error_string, "   note: b = boolean, n = number, s = string, o = b64 binary blob");
                        ldb_set_errstring(ldb, error_string);
                        talloc_free(error_string);
                        return NULL;
                  }
                  if (!(ctrl[i] = talloc(ctrl, struct ldb_control))) {
                        ldb_oom(ldb);
                        return NULL;
                  }
                  ctrl[i]->oid = LDB_CONTROL_VLV_REQ_OID;
                  ctrl[i]->critical = crit;
                  if (!(control = talloc(ctrl[i],
                                     struct ldb_vlv_req_control))) {
                        ldb_oom(ldb);
                        return NULL;
                  }
                  control->beforeCount = bc;
                  control->afterCount = ac;
                  if (attr[0]) {
                        control->type = 1;
                        control->match.gtOrEq.value = talloc_strdup(control, attr);
                        control->match.gtOrEq.value_len = strlen(attr);
                  } else {
                        control->type = 0;
                        control->match.byOffset.offset = os;
                        control->match.byOffset.contentCount = cc;
                  }
                  if (ctxid[0]) {
                        control->ctxid_len = ldb_base64_decode(ctxid);
                        control->contextId = (char *)talloc_memdup(control, ctxid, control->ctxid_len);
                  } else {
                        control->ctxid_len = 0;
                        control->contextId = NULL;
                  }
                  ctrl[i]->data = control;

                  continue;
            }

            if (strncmp(control_strings[i], "dirsync:", 8) == 0) {
                  struct ldb_dirsync_control *control;
                  const char *p;
                  char cookie[1024];
                  int crit, flags, max_attrs, ret;
                   
                  cookie[0] = '\0';
                  p = &(control_strings[i][8]);
                  ret = sscanf(p, "%d:%d:%d:%1023[^$]", &crit, &flags, &max_attrs, cookie);

                  if ((ret < 3) || (crit < 0) || (crit > 1) || (flags < 0) || (max_attrs < 0)) {
                        error_string = talloc_asprintf(mem_ctx, "invalid dirsync control syntax\n");
                        error_string = talloc_asprintf_append(error_string, " syntax: crit(b):flags(n):max_attrs(n)[:cookie(o)]\n");
                        error_string = talloc_asprintf_append(error_string, "   note: b = boolean, n = number, o = b64 binary blob");
                        ldb_set_errstring(ldb, error_string);
                        talloc_free(error_string);
                        return NULL;
                  }

                  /* w2k3 seems to ignore the parameter,
                   * but w2k sends a wrong cookie when this value is to small
                   * this would cause looping forever, while getting
                   * the same data and same cookie forever
                   */
                  if (max_attrs == 0) max_attrs = 0x0FFFFFFF;

                  ctrl[i] = talloc(ctrl, struct ldb_control);
                  ctrl[i]->oid = LDB_CONTROL_DIRSYNC_OID;
                  ctrl[i]->critical = crit;
                  control = talloc(ctrl[i], struct ldb_dirsync_control);
                  control->flags = flags;
                  control->max_attributes = max_attrs;
                  if (*cookie) {
                        control->cookie_len = ldb_base64_decode(cookie);
                        control->cookie = (char *)talloc_memdup(control, cookie, control->cookie_len);
                  } else {
                        control->cookie = NULL;
                        control->cookie_len = 0;
                  }
                  ctrl[i]->data = control;

                  continue;
            }

            if (strncmp(control_strings[i], "asq:", 4) == 0) {
                  struct ldb_asq_control *control;
                  const char *p;
                  char attr[256];
                  int crit, ret;

                  attr[0] = '\0';
                  p = &(control_strings[i][4]);
                  ret = sscanf(p, "%d:%255[^$]", &crit, attr);
                  if ((ret != 2) || (crit < 0) || (crit > 1) || (attr[0] == '\0')) {
                        error_string = talloc_asprintf(mem_ctx, "invalid asq control syntax\n");
                        error_string = talloc_asprintf_append(error_string, " syntax: crit(b):attr(s)\n");
                        error_string = talloc_asprintf_append(error_string, "   note: b = boolean, s = string");
                        ldb_set_errstring(ldb, error_string);
                        talloc_free(error_string);
                        return NULL;
                  }

                  ctrl[i] = talloc(ctrl, struct ldb_control);
                  if (!ctrl[i]) {
                        ldb_oom(ldb);
                        return NULL;
                  }
                  ctrl[i]->oid = LDB_CONTROL_ASQ_OID;
                  ctrl[i]->critical = crit;
                  control = talloc(ctrl[i], struct ldb_asq_control);
                  control->request = 1;
                  control->source_attribute = talloc_strdup(control, attr);
                  control->src_attr_len = strlen(attr);
                  ctrl[i]->data = control;

                  continue;
            }

            if (strncmp(control_strings[i], "extended_dn:", 12) == 0) {
                  struct ldb_extended_dn_control *control;
                  const char *p;
                  int crit, type, ret;

                  p = &(control_strings[i][12]);
                  ret = sscanf(p, "%d:%d", &crit, &type);
                  if ((ret != 2) || (crit < 0) || (crit > 1) || (type < 0) || (type > 1)) {
                        error_string = talloc_asprintf(mem_ctx, "invalid extended_dn control syntax\n");
                        error_string = talloc_asprintf_append(error_string, " syntax: crit(b):type(b)\n");
                        error_string = talloc_asprintf_append(error_string, "   note: b = boolean");
                        ldb_set_errstring(ldb, error_string);
                        talloc_free(error_string);
                        return NULL;
                  }

                  ctrl[i] = talloc(ctrl, struct ldb_control);
                  if (!ctrl[i]) {
                        ldb_oom(ldb);
                        return NULL;
                  }
                  ctrl[i]->oid = LDB_CONTROL_EXTENDED_DN_OID;
                  ctrl[i]->critical = crit;
                  control = talloc(ctrl[i], struct ldb_extended_dn_control);
                  control->type = type;
                  ctrl[i]->data = control;

                  continue;
            }

            if (strncmp(control_strings[i], "sd_flags:", 9) == 0) {
                  struct ldb_sd_flags_control *control;
                  const char *p;
                  int crit, ret;
                  unsigned secinfo_flags;

                  p = &(control_strings[i][9]);
                  ret = sscanf(p, "%d:%u", &crit, &secinfo_flags);
                  if ((ret != 2) || (crit < 0) || (crit > 1) || (secinfo_flags < 0) || (secinfo_flags > 0xF)) {
                        error_string = talloc_asprintf(mem_ctx, "invalid sd_flags control syntax\n");
                        error_string = talloc_asprintf_append(error_string, " syntax: crit(b):secinfo_flags(n)\n");
                        error_string = talloc_asprintf_append(error_string, "   note: b = boolean, n = number");
                        ldb_set_errstring(ldb, error_string);
                        talloc_free(error_string);
                        return NULL;
                  }

                  ctrl[i] = talloc(ctrl, struct ldb_control);
                  if (!ctrl[i]) {
                        ldb_oom(ldb);
                        return NULL;
                  }
                  ctrl[i]->oid = LDB_CONTROL_SD_FLAGS_OID;
                  ctrl[i]->critical = crit;
                  control = talloc(ctrl[i], struct ldb_sd_flags_control);
                  control->secinfo_flags = secinfo_flags;
                  ctrl[i]->data = control;

                  continue;
            }

            if (strncmp(control_strings[i], "search_options:", 15) == 0) {
                  struct ldb_search_options_control *control;
                  const char *p;
                  int crit, ret;
                  unsigned search_options;

                  p = &(control_strings[i][15]);
                  ret = sscanf(p, "%d:%u", &crit, &search_options);
                  if ((ret != 2) || (crit < 0) || (crit > 1) || (search_options < 0) || (search_options > 0xF)) {
                        error_string = talloc_asprintf(mem_ctx, "invalid search_options control syntax\n");
                        error_string = talloc_asprintf_append(error_string, " syntax: crit(b):search_options(n)\n");
                        error_string = talloc_asprintf_append(error_string, "   note: b = boolean, n = number");
                        ldb_set_errstring(ldb, error_string);
                        talloc_free(error_string);
                        return NULL;
                  }

                  ctrl[i] = talloc(ctrl, struct ldb_control);
                  if (!ctrl[i]) {
                        ldb_oom(ldb);
                        return NULL;
                  }
                  ctrl[i]->oid = LDB_CONTROL_SEARCH_OPTIONS_OID;
                  ctrl[i]->critical = crit;
                  control = talloc(ctrl[i], struct ldb_search_options_control);
                  control->search_options = search_options;
                  ctrl[i]->data = control;

                  continue;
            }

            if (strncmp(control_strings[i], "domain_scope:", 13) == 0) {
                  const char *p;
                  int crit, ret;

                  p = &(control_strings[i][13]);
                  ret = sscanf(p, "%d", &crit);
                  if ((ret != 1) || (crit < 0) || (crit > 1)) {
                        error_string = talloc_asprintf(mem_ctx, "invalid domain_scope control syntax\n");
                        error_string = talloc_asprintf_append(error_string, " syntax: crit(b)\n");
                        error_string = talloc_asprintf_append(error_string, "   note: b = boolean");
                        ldb_set_errstring(ldb, error_string);
                        talloc_free(error_string);
                        return NULL;
                  }

                  ctrl[i] = talloc(ctrl, struct ldb_control);
                  if (!ctrl[i]) {
                        ldb_oom(ldb);
                        return NULL;
                  }
                  ctrl[i]->oid = LDB_CONTROL_DOMAIN_SCOPE_OID;
                  ctrl[i]->critical = crit;
                  ctrl[i]->data = NULL;

                  continue;
            }

            if (strncmp(control_strings[i], "paged_results:", 14) == 0) {
                  struct ldb_paged_control *control;
                  const char *p;
                  int crit, size, ret;
                   
                  p = &(control_strings[i][14]);
                  ret = sscanf(p, "%d:%d", &crit, &size);

                  if ((ret != 2) || (crit < 0) || (crit > 1) || (size < 0)) {
                        error_string = talloc_asprintf(mem_ctx, "invalid paged_results control syntax\n");
                        error_string = talloc_asprintf_append(error_string, " syntax: crit(b):size(n)\n");
                        error_string = talloc_asprintf_append(error_string, "   note: b = boolean, n = number");
                        ldb_set_errstring(ldb, error_string);
                        talloc_free(error_string);
                        return NULL;
                  }

                  ctrl[i] = talloc(ctrl, struct ldb_control);
                  if (!ctrl[i]) {
                        ldb_oom(ldb);
                        return NULL;
                  }
                  ctrl[i]->oid = LDB_CONTROL_PAGED_RESULTS_OID;
                  ctrl[i]->critical = crit;
                  control = talloc(ctrl[i], struct ldb_paged_control);
                  control->size = size;
                  control->cookie = NULL;
                  control->cookie_len = 0;
                  ctrl[i]->data = control;

                  continue;
            }

            if (strncmp(control_strings[i], "server_sort:", 12) == 0) {
                  struct ldb_server_sort_control **control;
                  const char *p;
                  char attr[256];
                  char rule[128];
                  int crit, rev, ret;

                  attr[0] = '\0';
                  rule[0] = '\0';
                  p = &(control_strings[i][12]);
                  ret = sscanf(p, "%d:%d:%255[^:]:%127[^:]", &crit, &rev, attr, rule);
                  if ((ret < 3) || (crit < 0) || (crit > 1) || (rev < 0 ) || (rev > 1) ||attr[0] == '\0') {
                        error_string = talloc_asprintf(mem_ctx, "invalid server_sort control syntax\n");
                        error_string = talloc_asprintf_append(error_string, " syntax: crit(b):rev(b):attr(s)[:rule(s)]\n");
                        error_string = talloc_asprintf_append(error_string, "   note: b = boolean, s = string");
                        ldb_set_errstring(ldb, error_string);
                        talloc_free(error_string);
                        return NULL;
                  }
                  ctrl[i] = talloc(ctrl, struct ldb_control);
                  if (!ctrl[i]) {
                        ldb_oom(ldb);
                        return NULL;
                  }
                  ctrl[i]->oid = LDB_CONTROL_SERVER_SORT_OID;
                  ctrl[i]->critical = crit;
                  control = talloc_array(ctrl[i], struct ldb_server_sort_control *, 2);
                  control[0] = talloc(control, struct ldb_server_sort_control);
                  control[0]->attributeName = talloc_strdup(control, attr);
                  if (rule[0])
                        control[0]->orderingRule = talloc_strdup(control, rule);
                  else
                        control[0]->orderingRule = NULL;
                  control[0]->reverse = rev;
                  control[1] = NULL;
                  ctrl[i]->data = control;

                  continue;
            }

            if (strncmp(control_strings[i], "notification:", 13) == 0) {
                  const char *p;
                  int crit, ret;

                  p = &(control_strings[i][13]);
                  ret = sscanf(p, "%d", &crit);
                  if ((ret != 1) || (crit < 0) || (crit > 1)) {
                        error_string = talloc_asprintf(mem_ctx, "invalid notification control syntax\n");
                        error_string = talloc_asprintf_append(error_string, " syntax: crit(b)\n");
                        error_string = talloc_asprintf_append(error_string, "   note: b = boolean");
                        ldb_set_errstring(ldb, error_string);
                        talloc_free(error_string);
                        return NULL;
                  }

                  ctrl[i] = talloc(ctrl, struct ldb_control);
                  if (!ctrl[i]) {
                        ldb_oom(ldb);
                        return NULL;
                  }
                  ctrl[i]->oid = LDB_CONTROL_NOTIFICATION_OID;
                  ctrl[i]->critical = crit;
                  ctrl[i]->data = NULL;

                  continue;
            }

            if (strncmp(control_strings[i], "show_deleted:", 13) == 0) {
                  const char *p;
                  int crit, ret;

                  p = &(control_strings[i][13]);
                  ret = sscanf(p, "%d", &crit);
                  if ((ret != 1) || (crit < 0) || (crit > 1)) {
                        error_string = talloc_asprintf(mem_ctx, "invalid show_deleted control syntax\n");
                        error_string = talloc_asprintf_append(error_string, " syntax: crit(b)\n");
                        error_string = talloc_asprintf_append(error_string, "   note: b = boolean");
                        ldb_set_errstring(ldb, error_string);
                        talloc_free(error_string);
                        return NULL;
                  }

                  ctrl[i] = talloc(ctrl, struct ldb_control);
                  if (!ctrl[i]) {
                        ldb_oom(ldb);
                        return NULL;
                  }
                  ctrl[i]->oid = LDB_CONTROL_SHOW_DELETED_OID;
                  ctrl[i]->critical = crit;
                  ctrl[i]->data = NULL;

                  continue;
            }

            if (strncmp(control_strings[i], "permissive_modify:", 18) == 0) {
                  const char *p;
                  int crit, ret;

                  p = &(control_strings[i][18]);
                  ret = sscanf(p, "%d", &crit);
                  if ((ret != 1) || (crit < 0) || (crit > 1)) {
                        error_string = talloc_asprintf(mem_ctx, "invalid permissive_modify control syntax\n");
                        error_string = talloc_asprintf_append(error_string, " syntax: crit(b)\n");
                        error_string = talloc_asprintf_append(error_string, "   note: b = boolean");
                        ldb_set_errstring(ldb, error_string);
                        talloc_free(error_string);
                        return NULL;
                  }

                  ctrl[i] = talloc(ctrl, struct ldb_control);
                  if (!ctrl[i]) {
                        ldb_oom(ldb);
                        return NULL;
                  }
                  ctrl[i]->oid = LDB_CONTROL_PERMISSIVE_MODIFY_OID;
                  ctrl[i]->critical = crit;
                  ctrl[i]->data = NULL;

                  continue;
            }

            /* no controls matched, throw an error */
            ldb_asprintf_errstring(ldb, "Invalid control name: '%s'", control_strings[i]);
            return NULL;
      }

      ctrl[i] = NULL;

      return ctrl;
}


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