1/* 2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* 29 * CLDeny.c 30 * 31 * From Mike Shoemaker 9/6/90 32 * Modified, April 9, 1997 by Tuyen Nguyen for MacOSX. 33 */ 34 35#include <sys/errno.h> 36#include <sys/types.h> 37#include <sys/param.h> 38#include <machine/spl.h> 39#include <sys/systm.h> 40#include <sys/kernel.h> 41#include <sys/proc.h> 42#include <sys/filedesc.h> 43#include <sys/fcntl.h> 44#include <sys/mbuf.h> 45#include <sys/socket.h> 46 47#include <netat/sysglue.h> 48#include <netat/appletalk.h> 49#include <netat/ddp.h> 50#include <netat/at_pcb.h> 51#include <netat/debug.h> 52#include <netat/adsp.h> 53#include <netat/adsp_internal.h> 54 55/* 56 * dspCLDeny 57 * 58 * INPUTS: 59 * --> ccbRefNum refnum of connection listener 60 * --> remoteCID connection identifier of remote connection end 61 * --> remoteAddress internet address of remote connection end 62 * 63 * OUTPUTS: 64 * none 65 * 66 * ERRORS: 67 * errRefNum bad connection refnum 68 * errState not a connection listener 69 * errAborted request aborted by a Remove call 70 */ 71int adspCLDeny(struct adspcmd *pb, CCBPtr sp) 72{ 73 gbuf_t *mp; 74 ADSP_FRAMEPtr adspp; 75 ADSP_OPEN_DATAPtr adspop; 76 77 if (sp == 0) { 78 pb->ioResult = errRefNum; 79 return EINVAL; 80 } 81 mp = gbuf_alloc(AT_WR_OFFSET + DDPL_FRAME_LEN + ADSP_FRAME_LEN + ADSP_OPEN_FRAME_LEN, 82 PRI_LO); 83 gbuf_rinc(mp,AT_WR_OFFSET); 84 gbuf_wset(mp,DDPL_FRAME_LEN); 85 adspp = (ADSP_FRAMEPtr)gbuf_wptr(mp); 86 gbuf_winc(mp,ADSP_FRAME_LEN); 87 bzero((caddr_t) gbuf_rptr(mp),DDPL_FRAME_LEN + ADSP_FRAME_LEN + ADSP_OPEN_FRAME_LEN); 88 adspp->descriptor = ADSP_CONTROL_BIT | ADSP_CTL_ODENY; 89 adspop = (ADSP_OPEN_DATAPtr)gbuf_wptr(mp); 90 gbuf_winc(mp,ADSP_OPEN_FRAME_LEN); 91 UAS_ASSIGN_HTON(adspop->dstCID, pb->u.openParams.remoteCID); 92 UAS_ASSIGN_HTON(adspop->version, 0x100); 93 adsp_sendddp(sp, mp, 94 DDPL_FRAME_LEN + ADSP_FRAME_LEN + ADSP_OPEN_FRAME_LEN, 95 (AddrUnion *)&pb->u.openParams.remoteAddress, DDP_ADSP); 96 adspioc_ack(0, (gbuf_t *)pb->ioc, pb->gref); 97 return 0; 98} 99