source4/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 "lib/events/events.h"
  25 #include "lib/ldb/include/ldb.h"
  26 #include "lib/ldb/include/ldb_errors.h"
  27 #include "lib/util/util_ldb.h"
  28 /*
  29   search the sam for the specified attributes - va_list variant
  30 */
  31 int gendb_search_v(struct ldb_context *ldb,
  32                    TALLOC_CTX *mem_ctx,
  33                    struct ldb_dn *basedn,
  34                    struct ldb_message ***msgs,
  35                    const char * const *attrs,
  36                    const char *format,
  37                    va_list ap)
  38 {
  39         enum ldb_scope scope = LDB_SCOPE_SUBTREE;
  40         struct ldb_result *res;
  41         char *expr = NULL;
  42         int ret;
  43
  44         if (format) {
  45                 expr = talloc_vasprintf(mem_ctx, format, ap);
  46                 if (expr == NULL) {
  47                         return -1;
  48                 }
  49         } else {
  50                 scope = LDB_SCOPE_BASE;
  51         }
  52
  53         res = NULL;
  54
  55         ret = ldb_search(ldb, mem_ctx, &res, basedn, scope, attrs,
  56                          expr?"%s":NULL, expr);
  57
  58         if (ret == LDB_SUCCESS) {
  59                 talloc_steal(mem_ctx, res->msgs);
  60
  61                 DEBUG(6,("gendb_search_v: %s %s -> %d\n",
  62                          basedn?ldb_dn_get_linearized(basedn):"NULL",
  63                          expr?expr:"NULL", res->count));
  64
  65                 ret = res->count;
  66                 *msgs = res->msgs;
  67                 talloc_free(res);
  68         } else if (scope == LDB_SCOPE_BASE && ret == LDB_ERR_NO_SUCH_OBJECT) {
  69                 ret = 0;
  70                 *msgs = NULL;
  71         } else {
  72                 DEBUG(4,("gendb_search_v: search failed: %s\n",
  73                                         ldb_errstring(ldb)));
  74                 ret = -1;
  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
 106 int gendb_search_dn(struct ldb_context *ldb,
 107                  TALLOC_CTX *mem_ctx,
 108                  struct ldb_dn *dn,
 109                  struct ldb_message ***res,
 110                  const char * const *attrs)
 111 {
 112         return gendb_search(ldb, mem_ctx, dn, res, attrs, NULL);
 113 }
 114
 115 /*
 116   setup some initial ldif in a ldb
 117 */
 118 int gendb_add_ldif(struct ldb_context *ldb, const char *ldif_string)
 119 {
 120         struct ldb_ldif *ldif;
 121         int ret;
 122         ldif = ldb_ldif_read_string(ldb, &ldif_string);
 123         if (ldif == NULL) return -1;
 124         ret = ldb_add(ldb, ldif->msg);
 125         talloc_free(ldif);
 126         return ret;
 127 }
 128
 129 char *wrap_casefold(void *context, void *mem_ctx, const char *s, size_t n)
 130 {
 131         return strupper_talloc_n(mem_ctx, s, n);
 132 }
 133
 134