git.sur5r.net Git - openldap/blob - servers/slapd/back-sql/other.c

   1 /* $OpenLDAP$ */
   2 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   3  *
   4  * Copyright 1999-2004 The OpenLDAP Foundation.
   5  * Portions Copyright 1999 Dmitry Kovalev.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16 /* ACKNOWLEDGEMENTS:
  17  * This work was initially developed by Dmitry Kovalev for inclusion
  18  * by OpenLDAP Software.
  19  */
  20
  21 #include "portable.h"
  22
  23 #ifdef SLAPD_SQL
  24
  25 #include <stdio.h>
  26 #include <sys/types.h>
  27 #include "slap.h"
  28 #include "back-sql.h"
  29 #include "sql-wrap.h"
  30 #include "entry-id.h"
  31 #include "util.h"
  32
  33 int
  34 backsql_compare( Operation *op, SlapReply *rs )
  35 {
  36         backsql_info            *bi = (backsql_info*)op->o_bd->be_private;
  37         backsql_entryID         user_id;
  38         SQLHDBC                 dbh;
  39         Entry                   *e = NULL, user_entry;
  40         Attribute               *a = NULL, *a_op = NULL;
  41         backsql_srch_info       bsi;
  42         int                     rc;
  43         AttributeName           anlist[2];
  44
  45         user_entry.e_name.bv_val = NULL;
  46         user_entry.e_name.bv_len = 0;
  47         user_entry.e_nname.bv_val = NULL;
  48         user_entry.e_nname.bv_len = 0;
  49         user_entry.e_attrs = NULL;
  50
  51         Debug( LDAP_DEBUG_TRACE, "==>backsql_compare()\n", 0, 0, 0 );
  52
  53         rs->sr_err = backsql_get_db_conn( op, &dbh );
  54         if (!dbh) {
  55                 Debug( LDAP_DEBUG_TRACE, "backsql_compare(): "
  56                         "could not get connection handle - exiting\n",
  57                         0, 0, 0 );
  58
  59                 rs->sr_text = ( rs->sr_err == LDAP_OTHER )
  60                         ? "SQL-backend error" : NULL;
  61                 goto return_results;
  62         }
  63
  64         rc = backsql_dn2id( bi, &user_id, dbh, &op->o_req_ndn );
  65         if ( rc != LDAP_SUCCESS ) {
  66                 Debug( LDAP_DEBUG_TRACE, "backsql_compare(): "
  67                         "could not retrieve compare dn id - no such entry\n",
  68                         0, 0, 0 );
  69                 rs->sr_err = LDAP_NO_SUCH_OBJECT;
  70                 goto return_results;
  71         }
  72
  73         anlist[0].an_name = op->oq_compare.rs_ava->aa_desc->ad_cname;
  74         anlist[0].an_desc = op->oq_compare.rs_ava->aa_desc;
  75         anlist[1].an_name.bv_val = NULL;
  76
  77         /*
  78          * Try to get attr as dynamic operational
  79          */
  80         if ( is_at_operational( op->oq_compare.rs_ava->aa_desc->ad_type ) ) {
  81                 AttributeName   *an_old;
  82                 Entry           *e_old;
  83
  84                 user_entry.e_attrs = NULL;
  85                 user_entry.e_name = op->o_req_dn;
  86                 user_entry.e_nname = op->o_req_ndn;
  87
  88                 an_old = rs->sr_attrs;
  89                 e_old = rs->sr_entry;
  90
  91                 rs->sr_attrs = anlist;
  92                 rs->sr_entry = &user_entry;
  93                 rs->sr_err = backsql_operational( op, rs, 0, &a_op );
  94                 rs->sr_attrs = an_old;
  95                 rs->sr_entry = e_old;
  96
  97                 if ( rs->sr_err != LDAP_SUCCESS ) {
  98                         goto return_results;
  99                 }
 100
 101         }
 102
 103         /*
 104          * attr was dynamic operational
 105          */
 106         if ( a_op != NULL ) {
 107                 user_entry.e_attrs = a_op;
 108                 e = &user_entry;
 109
 110         } else {
 111                 backsql_init_search( &bsi, &op->o_req_ndn, LDAP_SCOPE_BASE,
 112                                 -1, -1, -1, NULL, dbh, op, anlist );
 113                 e = backsql_id2entry( &bsi, &user_entry, &user_id );
 114                 if ( e == NULL ) {
 115                         Debug( LDAP_DEBUG_TRACE, "backsql_compare(): "
 116                                 "error in backsql_id2entry() "
 117                                 "- compare failed\n", 0, 0, 0 );
 118                         rs->sr_err = LDAP_OTHER;
 119                         goto return_results;
 120                 }
 121         }
 122
 123         if ( ! access_allowed( op, e, op->oq_compare.rs_ava->aa_desc,
 124                                 &op->oq_compare.rs_ava->aa_value,
 125                                 ACL_COMPARE, NULL ) ) {
 126                 rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
 127                 goto return_results;
 128         }
 129
 130         rs->sr_err = LDAP_NO_SUCH_ATTRIBUTE;
 131         for ( a = attrs_find( e->e_attrs, op->oq_compare.rs_ava->aa_desc );
 132                         a != NULL;
 133                         a = attrs_find( a->a_next, op->oq_compare.rs_ava->aa_desc ))
 134         {
 135                 rs->sr_err = LDAP_COMPARE_FALSE;
 136                 if ( value_find_ex( op->oq_compare.rs_ava->aa_desc,
 137                                         SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH |
 138                                         SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
 139                                         a->a_nvals,
 140                                         &op->oq_compare.rs_ava->aa_value,
 141                                         op->o_tmpmemctx ) == 0 )
 142                 {
 143                         rs->sr_err = LDAP_COMPARE_TRUE;
 144                         break;
 145                 }
 146         }
 147
 148 return_results:;
 149         send_ldap_result( op, rs );
 150
 151         if ( e != NULL ) {
 152                 if ( e->e_name.bv_val != NULL ) {
 153                         free( e->e_name.bv_val );
 154                 }
 155
 156                 if ( e->e_nname.bv_val != NULL ) {
 157                         free( e->e_nname.bv_val );
 158                 }
 159
 160                 if ( e->e_attrs != NULL ) {
 161                         attrs_free( e->e_attrs );
 162                 }
 163         }
 164
 165         Debug(LDAP_DEBUG_TRACE,"<==backsql_compare()\n",0,0,0);
 166         switch ( rs->sr_err ) {
 167         case LDAP_COMPARE_TRUE:
 168         case LDAP_COMPARE_FALSE:
 169                 return 0;
 170
 171         default:
 172                 return 1;
 173         }
 174 }
 175
 176 /*
 177  * sets the supported operational attributes (if required)
 178  */
 179
 180 int
 181 backsql_operational(
 182         Operation       *op,
 183         SlapReply       *rs,
 184         int             opattrs,
 185         Attribute       **a )
 186 {
 187
 188         backsql_info            *bi = (backsql_info*)op->o_bd->be_private;
 189         SQLHDBC                 dbh = SQL_NULL_HDBC;
 190         Attribute               **aa = a;
 191         int                     rc = 0;
 192
 193         Debug( LDAP_DEBUG_TRACE, "==>backsql_operational(): entry '%s'\n",
 194                         rs->sr_entry->e_nname.bv_val, 0, 0 );
 195
 196
 197         if ( ( opattrs || ad_inlist( slap_schema.si_ad_hasSubordinates, rs->sr_attrs ) )
 198                         && attr_find( rs->sr_entry->e_attrs, slap_schema.si_ad_hasSubordinates ) == NULL ) {
 199
 200                 rc = backsql_get_db_conn( op, &dbh );
 201                 if ( rc != LDAP_SUCCESS ) {
 202                         Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
 203                                 "could not get connection handle - exiting\n",
 204                                 0, 0, 0 );
 205                         return 1;
 206                 }
 207
 208                 rc = backsql_has_children( bi, dbh, &rs->sr_entry->e_nname );
 209
 210                 switch( rc ) {
 211                 case LDAP_COMPARE_TRUE:
 212                 case LDAP_COMPARE_FALSE:
 213                         *aa = slap_operational_hasSubordinate( rc == LDAP_COMPARE_TRUE );
 214                         if ( *aa != NULL ) {
 215                                 aa = &(*aa)->a_next;
 216                         }
 217                         rc = 0;
 218                         break;
 219
 220                 default:
 221                         Debug( LDAP_DEBUG_TRACE, "backsql_operational(): "
 222                                 "has_children failed( %d)\n", rc, 0, 0 );
 223                         rc = 1;
 224                         break;
 225                 }
 226         }
 227
 228         Debug( LDAP_DEBUG_TRACE, "<==backsql_operational()\n", 0, 0, 0);
 229
 230         return rc;
 231 }
 232
 233 #endif /* SLAPD_SQL */
 234