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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/*
* Use a Persistent Search to monitor the directory server for changes to
* all people entries whose surname (last name) is "Jensen".
*
*/
#include "examples.h"
static char *changetype_num2string( ber_int_t chgtype );
int
main( int argc, char **argv )
{
LDAP *ld;
LDAPMessage *result, *e;
BerElement *ber;
char *a, *dn;
char **vals;
int i;
int rc;
int finished;
int msgid;
int num_entries = 0;
int version = LDAP_VERSION3;
LDAPControl *ctrls[2], *psctrl, **ectrls;
/* arrange to use LDAP version 3 */
if ( ldap_set_option( NULL, LDAP_OPT_PROTOCOL_VERSION, &version ) != 0 ) {
perror( "ldap_set_option" );
return( 1 );
}
/* get a handle to an LDAP connection */
if ( (ld = ldap_init( MY_HOST, MY_PORT )) == NULL ) {
perror( "ldap_init" );
return( 1 );
}
/* authenticate to the directory as nobody */
if ( ldap_simple_bind_s( ld, NULL, NULL ) != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_simple_bind_s" );
ldap_unbind( ld );
return( 1 );
}
/* construct the Persistent Search control */
if ( ldap_create_persistentsearch_control( ld, LDAP_CHANGETYPE_ANY,
1 /* changesOnly */, 1 /* request entry change controls */,
1 /* critical */, &psctrl ) != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_create_persistentsearch_control" );
ldap_unbind( ld );
return( 1 );
}
ctrls[0] = psctrl;
ctrls[1] = NULL;
/* issue a persistent search for all entries with surname of Jensen */
if ( LDAP_SUCCESS != ldap_search_ext( ld, MY_SEARCHBASE,
LDAP_SCOPE_SUBTREE, MY_FILTER, NULL /* all attrs */,
0 /* get attrs and values */, ctrls, NULL /* no client ctrls */,
NULL /* no timeout */, 0 /* no sizelimit */, &msgid )) {
ldap_perror( ld, "ldap_search_ext" );
ldap_unbind( ld );
return( 1 );
}
ldap_control_free( psctrl ); /* no longer needed */
/*
* Loop, polling for results until finished.
* Since this is a persistent search, this loop won't end until the
* server shuts down or we lose the connection for some other reason.
* We could abandon the persistent search or close the connection of
* course, but we don't in this example.
*/
finished = 0;
while ( !finished ) {
/*
* Poll for results. We call ldap_result with the "all" argument
* set to LDAP_MSG_ONE. This causes ldap_result() to return exactly one
* entry if at least one entry is available. This allows us to
* display the entries as they are received.
*/
result = NULL;
rc = ldap_result( ld, msgid, LDAP_MSG_ONE, NULL /* no timeout */, &result );
switch ( rc ) {
case -1:
/* some error occurred */
ldap_perror( ld, "ldap_result" );
ldap_unbind( ld );
return( 1 );
case 0:
/* Timeout was exceeded. No entries are ready for retrieval. */
if ( result != NULL ) {
ldap_msgfree( result );
}
break;
default:
/*
* Either an entry is ready for retrieval, or all entries have
* been retrieved.
*/
if (( e = ldap_first_entry( ld, result )) == NULL ) {
/* All done */
finished = 1;
if ( result != NULL ) {
ldap_msgfree( result );
}
continue;
}
num_entries++;
/* for each entry print out name */
if (( dn = ldap_get_dn( ld, e )) != NULL ) {
printf( "dn: %s\n", dn );
ldap_memfree( dn );
}
/* print entry change info. if it was returned */
if ( LDAP_SUCCESS == ldap_get_entry_controls( ld, e, &ectrls )) {
int chgnumpresent;
ber_int_t chgtype;
ber_int_t chgnum;
char *prevdn;
if ( LDAP_SUCCESS == ldap_parse_entrychange_control( ld,
ectrls, &chgtype, &prevdn, &chgnumpresent, &chgnum )) {
printf( "changeType: %s\n",
changetype_num2string( chgtype ));
if ( prevdn != NULL ) {
printf( "previousDN: %s\n", prevdn );
ldap_memfree( prevdn );
}
if ( chgnumpresent ) {
printf( "changeNumber: %d\n", chgnum );
}
ldap_controls_free( ectrls );
}
}
/* print out all attrs and values */
for ( a = ldap_first_attribute( ld, e, &ber );
a != NULL; a = ldap_next_attribute( ld, e, ber ) ) {
if (( vals = ldap_get_values( ld, e, a )) != NULL ) {
for ( i = 0; vals[ i ] != NULL; i++ ) {
printf( "%s: %s\n", a, vals[ i ] );
}
ldap_value_free( vals );
}
ldap_memfree( a );
}
if ( ber != NULL ) {
ber_free( ber, 0 );
}
printf( "\n" );
ldap_msgfree( result );
}
}
/* All done. Print a summary. */
printf( "%d entries retrieved.\n", num_entries );
ldap_unbind( ld );
return( 0 );
}
static char *
changetype_num2string( ber_int_t chgtype )
{
static char buf[ 25 ];
char *s;
switch( chgtype ) {
case LDAP_CHANGETYPE_ADD:
s = "add";
break;
case LDAP_CHANGETYPE_DELETE:
s = "delete";
break;
case LDAP_CHANGETYPE_MODIFY:
s = "modify";
break;
case LDAP_CHANGETYPE_MODDN:
s = "moddn";
break;
default:
sprintf( s, "unknown (%d)", chgtype );
}
return( s );
}
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