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