#include "portable.h"

#include <stdio.h>

#include <ac/stdlib.h>

#include <ac/ctype.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/unistd.h>
#include <ac/wait.h>

#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif

#include <ldap.h>

#define LOOPS	100

static void
do_read( char *host, int port, char *entry, int maxloop );

static void
usage( char *name )
{
	fprintf( stderr, "usage: %s [-h <host>] -p port -e <entry> [-l <loops>]\n",
			name );
	exit( EXIT_FAILURE );
}

int
main( int argc, char **argv )
{
	int		i;
	char        *host = "localhost";
	int			port = -1;
	char		*entry = NULL;
	int			loops = LOOPS;

	while ( (i = getopt( argc, argv, "h:p:e:l:" )) != EOF ) {
		switch( i ) {
			case 'h':		/* the servers host */
				host = strdup( optarg );
			break;

			case 'p':		/* the servers port */
				port = atoi( optarg );
				break;

			case 'e':		/* file with entry search request */
				entry = strdup( optarg );
				break;

			case 'l':		/* the number of loops */
				loops = atoi( optarg );
				break;

			default:
				usage( argv[0] );
				break;
		}
	}

	if (( entry == NULL ) || ( port == -1 ))
		usage( argv[0] );

	if ( *entry == '\0' ) {

		fprintf( stderr, "%s: invalid EMPTY entry DN.\n",
				argv[0] );
		exit( EXIT_FAILURE );

	}

	do_read( host, port, entry, ( 4 * loops ));

	exit( EXIT_SUCCESS );
}


static void
do_read( char *host, int port, char *entry, int maxloop )
{
	LDAP	*ld;
	int  	i;
	char	*attrs[] = { "cn", "sn", NULL };
	char	*filter = "(objectclass=*)";
	pid_t	pid = getpid();

	if (( ld = ldap_init( host, port )) == NULL ) {
		perror( "ldap_init" );
		exit( EXIT_FAILURE );
	}

	if ( ldap_bind_s( ld, NULL, NULL, LDAP_AUTH_SIMPLE ) != LDAP_SUCCESS ) {
		ldap_perror( ld, "ldap_bind" );
		 exit( EXIT_FAILURE );
	}


	fprintf( stderr, "PID=%ld - Read(%d): entry=\"%s\".\n",
		 (long) pid, maxloop, entry );

	for ( i = 0; i < maxloop; i++ ) {
		LDAPMessage *res;
		int         rc;

		if (( rc = ldap_search_s( ld, entry, LDAP_SCOPE_BASE,
				filter, attrs, 0, &res )) != LDAP_SUCCESS ) {

			ldap_perror( ld, "ldap_read" );
			if ( rc != LDAP_NO_SUCH_OBJECT ) break;
			continue;

		}

		ldap_msgfree( res );
	}

	fprintf( stderr, " PID=%ld - Read done.\n", (long) pid );

	ldap_unbind( ld );
}