source4/libcli/ldap/ldap_ildap.c

   1 /*
   2    Unix SMB/CIFS mplementation.
   3
   4    ildap api - an api similar to the traditional ldap api
   5
   6    Copyright (C) Andrew Tridgell  2005
   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, see <http://www.gnu.org/licenses/>.
  20
  21 */
  22
  23 #include "includes.h"
  24 #include "libcli/ldap/ldap.h"
  25 #include "libcli/ldap/ldap_client.h"
  26
  27
  28 /*
  29   count the returned search entries
  30 */
  31 _PUBLIC_ int ildap_count_entries(struct ldap_connection *conn, struct ldap_message **res)
  32 {
  33         int i;
  34         for (i=0;res && res[i];i++) /* noop */ ;
  35         return i;
  36 }
  37
  38
  39 /*
  40   perform a synchronous ldap search
  41 */
  42 _PUBLIC_ NTSTATUS ildap_search_bytree(struct ldap_connection *conn, const char *basedn,
  43                              int scope, struct ldb_parse_tree *tree,
  44                              const char * const *attrs, bool attributesonly,
  45                              struct ldb_control **control_req,
  46                              struct ldb_control ***control_res,
  47                              struct ldap_message ***results)
  48 {
  49         struct ldap_message *msg;
  50         int n, i;
  51         NTSTATUS status;
  52         struct ldap_request *req;
  53
  54         if (control_res)
  55                 *control_res = NULL;
  56         *results = NULL;
  57
  58         msg = new_ldap_message(conn);
  59         NT_STATUS_HAVE_NO_MEMORY(msg);
  60
  61         for (n=0;attrs && attrs[n];n++) /* noop */ ;
  62
  63         msg->type = LDAP_TAG_SearchRequest;
  64         msg->r.SearchRequest.basedn = basedn;
  65         msg->r.SearchRequest.scope  = scope;
  66         msg->r.SearchRequest.deref  = LDAP_DEREFERENCE_NEVER;
  67         msg->r.SearchRequest.timelimit = 0;
  68         msg->r.SearchRequest.sizelimit = 0;
  69         msg->r.SearchRequest.attributesonly = attributesonly;
  70         msg->r.SearchRequest.tree = tree;
  71         msg->r.SearchRequest.num_attributes = n;
  72         msg->r.SearchRequest.attributes = attrs;
  73         msg->controls = control_req;
  74
  75         req = ldap_request_send(conn, msg);
  76         talloc_steal(msg, req);
  77
  78         for (i=n=0;true;i++) {
  79                 struct ldap_message *res;
  80                 status = ldap_result_n(req, i, &res);
  81                 if (!NT_STATUS_IS_OK(status)) break;
  82
  83                 if (res->type == LDAP_TAG_SearchResultDone) {
  84                         status = ldap_check_response(conn, &res->r.GeneralResult);
  85                         if (control_res) {
  86                                 *control_res = talloc_steal(conn, res->controls);
  87                         }
  88                         break;
  89                 }
  90
  91                 if (res->type != LDAP_TAG_SearchResultEntry &&
  92                     res->type != LDAP_TAG_SearchResultReference)
  93                         continue;
  94
  95                 (*results) = talloc_realloc(conn, *results, struct ldap_message *, n+2);
  96                 if (*results == NULL) {
  97                         talloc_free(msg);
  98                         return NT_STATUS_NO_MEMORY;
  99                 }
 100                 (*results)[n] = talloc_steal(*results, res);
 101                 (*results)[n+1] = NULL;
 102                 n++;
 103         }
 104
 105         if (NT_STATUS_EQUAL(status, NT_STATUS_NO_MORE_ENTRIES)) {
 106                 status = NT_STATUS_OK;
 107         }
 108
 109         return status;
 110 }
 111
 112 /*
 113   perform a ldap search
 114 */
 115 _PUBLIC_ NTSTATUS ildap_search(struct ldap_connection *conn, const char *basedn,
 116                       int scope, const char *expression,
 117                       const char * const *attrs, bool attributesonly,
 118                       struct ldb_control **control_req,
 119                       struct ldb_control ***control_res,
 120                       struct ldap_message ***results)
 121 {
 122         struct ldb_parse_tree *tree = ldb_parse_tree(conn, expression);
 123         NTSTATUS status;
 124         status = ildap_search_bytree(conn, basedn, scope, tree, attrs,
 125                                      attributesonly, control_req,
 126                                      control_res, results);
 127         talloc_free(tree);
 128         return status;
 129 }