usr/src/lib/libldap5/sources/ldap/common/getentry.c

   1 #pragma ident   "%Z%%M% %I%     %E% SMI"
   2
   3 /*
   4  * The contents of this file are subject to the Netscape Public
   5  * License Version 1.1 (the "License"); you may not use this file
   6  * except in compliance with the License. You may obtain a copy of
   7  * the License at http://www.mozilla.org/NPL/
   8  *
   9  * Software distributed under the License is distributed on an "AS
  10  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  11  * implied. See the License for the specific language governing
  12  * rights and limitations under the License.
  13  *
  14  * The Original Code is Mozilla Communicator client code, released
  15  * March 31, 1998.
  16  *
  17  * The Initial Developer of the Original Code is Netscape
  18  * Communications Corporation. Portions created by Netscape are
  19  * Copyright (C) 1998-1999 Netscape Communications Corporation. All
  20  * Rights Reserved.
  21  *
  22  * Contributor(s):
  23  */
  24 /*
  25  *  Copyright (c) 1990 Regents of the University of Michigan.
  26  *  All rights reserved.
  27  */
  28 /*
  29  *  getentry.c
  30  */
  31
  32 #if 0
  33 static char copyright[] = "@(#) Copyright (c) 1990 Regents of the University of Michigan.\nAll rights reserved.\n";
  34 #endif
  35
  36 #include "ldap-int.h"
  37
  38 LDAPMessage *
  39 LDAP_CALL
  40 ldap_first_entry( LDAP *ld, LDAPMessage *chain )
  41 {
  42         if ( !NSLDAPI_VALID_LDAP_POINTER( ld ) || chain == NULLMSG ) {
  43                 return( NULLMSG );
  44         }
  45
  46         if ( chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY ) {
  47                 return( chain );
  48         }
  49
  50         return( ldap_next_entry( ld, chain ));
  51 }
  52
  53
  54 LDAPMessage *
  55 LDAP_CALL
  56 ldap_next_entry( LDAP *ld, LDAPMessage *entry )
  57 {
  58         if ( !NSLDAPI_VALID_LDAP_POINTER( ld ) || entry == NULLMSG ) {
  59                 return( NULLMSG );
  60         }
  61
  62         for ( entry = entry->lm_chain; entry != NULLMSG;
  63             entry = entry->lm_chain ) {
  64                 if ( entry->lm_msgtype == LDAP_RES_SEARCH_ENTRY ) {
  65                         return( entry );
  66                 }
  67         }
  68
  69         return( NULLMSG );
  70 }
  71
  72 int
  73 LDAP_CALL
  74 ldap_count_entries( LDAP *ld, LDAPMessage *chain )
  75 {
  76         int     i;
  77
  78         if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
  79                 return( -1 );
  80         }
  81
  82         for ( i = 0; chain != NULL; chain = chain->lm_chain ) {
  83                 if ( chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY ) {
  84                         ++i;
  85                 }
  86         }
  87
  88         return( i );
  89 }
  90
  91
  92 int
  93 LDAP_CALL
  94 ldap_get_entry_controls( LDAP *ld, LDAPMessage *entry,
  95         LDAPControl ***serverctrlsp )
  96 {
  97         int             rc;
  98         BerElement      tmpber;
  99
 100         LDAPDebug( LDAP_DEBUG_TRACE, "ldap_get_entry_controls\n", 0, 0, 0 );
 101
 102         if ( !NSLDAPI_VALID_LDAP_POINTER( ld )) {
 103                 return( LDAP_PARAM_ERROR );
 104         }
 105
 106         if ( !NSLDAPI_VALID_LDAPMESSAGE_ENTRY_POINTER( entry )
 107             || serverctrlsp == NULL ) {
 108                 rc = LDAP_PARAM_ERROR;
 109                 goto report_error_and_return;
 110         }
 111
 112         *serverctrlsp = NULL;
 113         tmpber = *entry->lm_ber;        /* struct copy */
 114
 115         /* skip past dn and entire attribute/value list */
 116         if ( ber_scanf( &tmpber, "{xx" ) == LBER_ERROR ) {
 117                 rc = LDAP_DECODING_ERROR;
 118                 goto report_error_and_return;
 119         }
 120
 121         rc = nsldapi_get_controls( &tmpber, serverctrlsp );
 122
 123 report_error_and_return:
 124         LDAP_SET_LDERRNO( ld, rc, NULL, NULL );
 125         return( rc );
 126 }