/*
 * Function: prldap_install_routines().
 *
 * Install NSPR I/O, threading, and DNS functions so they will be used by
 * 'ld'.
 *
 * If 'ld' is NULL, the functions are installed as the default functions
 * for all new LDAP * handles).
 *
 * Pass a non-zero value for the 'shared' parameter if you plan to use
 * this LDAP * handle from more than one thread.
 *
 * prldap_install_routines() returns an LDAP API error code (LDAP_SUCCESS
 * if all goes well).
 */
int LDAP_CALL
prldap_install_routines( LDAP *ld, int shared )
{

    if ( prldap_install_io_functions( ld, shared ) != 0
		|| prldap_install_thread_functions( ld, shared ) != 0
		|| prldap_install_dns_functions( ld ) != 0 ) {
	return( ldap_get_lderrno( ld, NULL, NULL ));
    }

    return( LDAP_SUCCESS );
}
示例#2
0
文件: open.c 项目: kele/illumos-fsd
LDAP_CALL
ldap_init( const char *defhost, int defport )
{
	LDAP	*ld;

	if ( !nsldapi_initialized ) {
		nsldapi_initialize_defaults();
	}

	if ( defport < 0 || defport > LDAP_PORT_MAX ) {
	    LDAPDebug( LDAP_DEBUG_ANY,
		    "ldap_init: port %d is invalid (port numbers must range from 1 to %d)\n",
		    defport, LDAP_PORT_MAX, 0 );
#if !defined( macintosh ) && !defined( DOS )
	    errno = EINVAL;
#endif
	    return( NULL );
	}

	LDAPDebug( LDAP_DEBUG_TRACE, "ldap_init\n", 0, 0, 0 );

	if ( (ld = (LDAP*)NSLDAPI_MALLOC( sizeof(struct ldap) )) == NULL ) {
		return( NULL );
	}

	/* copy defaults */
	SAFEMEMCPY( ld, &nsldapi_ld_defaults, sizeof( struct ldap ));
	if ( nsldapi_ld_defaults.ld_io_fns_ptr != NULL ) {
		if (( ld->ld_io_fns_ptr = (struct ldap_io_fns *)NSLDAPI_MALLOC(
		    sizeof( struct ldap_io_fns ))) == NULL ) {
			NSLDAPI_FREE( (char *)ld );
			return( NULL );
		}
		/* struct copy */
		*(ld->ld_io_fns_ptr) = *(nsldapi_ld_defaults.ld_io_fns_ptr);
	}

	/* call the new handle I/O callback if one is defined */
	if ( ld->ld_extnewhandle_fn != NULL ) {
		/*
		 * We always pass the session extended I/O argument to
		 * the new handle callback.
		 */
		if ( ld->ld_extnewhandle_fn( ld, ld->ld_ext_session_arg )
		    != LDAP_SUCCESS ) {
			NSLDAPI_FREE( (char*)ld );
			return( NULL );
		}
	}

	/* allocate session-specific resources */
	if (( ld->ld_sbp = ber_sockbuf_alloc()) == NULL ||
	    ( defhost != NULL &&
	    ( ld->ld_defhost = nsldapi_strdup( defhost )) == NULL ) ||
	    ((ld->ld_mutex = (void **) NSLDAPI_CALLOC( LDAP_MAX_LOCK, sizeof(void *))) == NULL )) {
		if ( ld->ld_sbp != NULL ) {
			ber_sockbuf_free( ld->ld_sbp );
		}
		if( ld->ld_mutex != NULL ) {
			NSLDAPI_FREE( ld->ld_mutex );
		}
		NSLDAPI_FREE( (char*)ld );
		return( NULL );
	}

	/* install Sockbuf I/O functions if set in LDAP * */
	if ( ld->ld_extread_fn != NULL || ld->ld_extwrite_fn != NULL ) {
		struct lber_x_ext_io_fns lberiofns;

		memset( &lberiofns, 0, sizeof( lberiofns ));

		lberiofns.lbextiofn_size = LBER_X_EXTIO_FNS_SIZE;
		lberiofns.lbextiofn_read = ld->ld_extread_fn;
		lberiofns.lbextiofn_write = ld->ld_extwrite_fn;
		lberiofns.lbextiofn_writev = ld->ld_extwritev_fn;
		lberiofns.lbextiofn_socket_arg = NULL;
		ber_sockbuf_set_option( ld->ld_sbp, LBER_SOCKBUF_OPT_EXT_IO_FNS,
			(void *)&lberiofns );
	}

#ifdef _SOLARIS_SDK
	/* Install the functions for IPv6 support	*/
	/* code sequencing is critical from here to nsldapi_mutex_alloc_all */
        if ( prldap_install_thread_functions( ld, 1 ) != 0 ||
             prldap_install_io_functions( ld, 1 ) != 0 ||
             prldap_install_dns_functions( ld ) != 0 ) {
		/* go through ld and free resources */
		ldap_unbind( ld );
		ld = NULL;
		return( NULL );
        }
#else

	/* allocate mutexes */
	nsldapi_mutex_alloc_all( ld );
#endif

	/* set default port */
	ld->ld_defport = ( defport == 0 ) ? LDAP_PORT : defport;

	return( ld );
}