lib/util/util_ldb.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3
   4    common share info functions
   5
   6    Copyright (C) Andrew Tridgell 2004
   7    Copyright (C) Tim Potter 2004
   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 <ldb.h>
  25 #include "../lib/util/util_ldb.h"
  26
  27 /*
  28  * search the LDB for the specified attributes - va_list variant
  29  */
  30 int gendb_search_v(struct ldb_context *ldb,
  31                    TALLOC_CTX *mem_ctx,
  32                    struct ldb_dn *basedn,
  33                    struct ldb_message ***msgs,
  34                    const char * const *attrs,
  35                    const char *format,
  36                    va_list ap)
  37 {
  38         enum ldb_scope scope = LDB_SCOPE_SUBTREE;
  39         struct ldb_result *res;
  40         char *expr = NULL;
  41         int ret;
  42
  43         if (format) {
  44                 expr = talloc_vasprintf(mem_ctx, format, ap);
  45                 if (expr == NULL) {
  46                         return -1;
  47                 }
  48         } else {
  49                 scope = LDB_SCOPE_BASE;
  50         }
  51
  52         res = NULL;
  53
  54         ret = ldb_search(ldb, mem_ctx, &res, basedn, scope, attrs,
  55                          expr?"%s":NULL, expr);
  56
  57         if (ret == LDB_SUCCESS) {
  58                 DEBUG(6,("gendb_search_v: %s %s -> %d\n",
  59                          basedn?ldb_dn_get_linearized(basedn):"NULL",
  60                          expr?expr:"NULL", res->count));
  61
  62                 ret = res->count;
  63                 if (msgs != NULL) {
  64                         *msgs = talloc_steal(mem_ctx, res->msgs);
  65                 }
  66                 talloc_free(res);
  67         } else if (scope == LDB_SCOPE_BASE && ret == LDB_ERR_NO_SUCH_OBJECT) {
  68                 ret = 0;
  69                 if (msgs != NULL) *msgs = NULL;
  70         } else {
  71                 DEBUG(4,("gendb_search_v: search failed: %s\n",
  72                                         ldb_errstring(ldb)));
  73                 ret = -1;
  74                 if (msgs != NULL) *msgs = NULL;
  75         }
  76
  77         talloc_free(expr);
  78
  79         return ret;
  80 }
  81
  82 /*
  83  * search the LDB for the specified attributes - varargs variant
  84  */
  85 int gendb_search(struct ldb_context *ldb,
  86                  TALLOC_CTX *mem_ctx,
  87                  struct ldb_dn *basedn,
  88                  struct ldb_message ***res,
  89                  const char * const *attrs,
  90                  const char *format, ...)
  91 {
  92         va_list ap;
  93         int count;
  94
  95         va_start(ap, format);
  96         count = gendb_search_v(ldb, mem_ctx, basedn, res, attrs, format, ap);
  97         va_end(ap);
  98
  99         return count;
 100 }
 101
 102 /*
 103  * search the LDB for a specified record (by DN)
 104  */
 105 int gendb_search_dn(struct ldb_context *ldb,
 106                  TALLOC_CTX *mem_ctx,
 107                  struct ldb_dn *dn,
 108                  struct ldb_message ***res,
 109                  const char * const *attrs)
 110 {
 111         return gendb_search(ldb, mem_ctx, dn, res, attrs, NULL);
 112 }
 113