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1c79356b 1/*
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2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
8ad349bb 4 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b 5 *
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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
10 * License may not be used to create, or enable the creation or
11 * redistribution of, unlawful or unlicensed copies of an Apple operating
12 * system, or to circumvent, violate, or enable the circumvention or
13 * violation of, any terms of an Apple operating system software license
14 * agreement.
15 *
16 * Please obtain a copy of the License at
17 * http://www.opensource.apple.com/apsl/ and read it before using this
18 * file.
19 *
20 * The Original Code and all software distributed under the License are
21 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
22 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
23 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
25 * Please see the License for the specific language governing rights and
26 * limitations under the License.
27 *
28 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
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29 */
30/*
31 * CLDeny.c
32 *
33 * From Mike Shoemaker 9/6/90
34 * Modified, April 9, 1997 by Tuyen Nguyen for MacOSX.
35 */
36
37#include <sys/errno.h>
38#include <sys/types.h>
39#include <sys/param.h>
40#include <machine/spl.h>
41#include <sys/systm.h>
42#include <sys/kernel.h>
43#include <sys/proc.h>
44#include <sys/filedesc.h>
45#include <sys/fcntl.h>
46#include <sys/mbuf.h>
47#include <sys/socket.h>
48
49#include <netat/sysglue.h>
50#include <netat/appletalk.h>
51#include <netat/ddp.h>
52#include <netat/at_pcb.h>
53#include <netat/debug.h>
54#include <netat/adsp.h>
55#include <netat/adsp_internal.h>
56
57/*
58 * dspCLDeny
59 *
60 * INPUTS:
61 * --> ccbRefNum refnum of connection listener
62 * --> remoteCID connection identifier of remote connection end
63 * --> remoteAddress internet address of remote connection end
64 *
65 * OUTPUTS:
66 * none
67 *
68 * ERRORS:
69 * errRefNum bad connection refnum
70 * errState not a connection listener
71 * errAborted request aborted by a Remove call
72 */
91447636 73int adspCLDeny(struct adspcmd *pb, CCBPtr sp)
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74{
75 gbuf_t *mp;
76 ADSP_FRAMEPtr adspp;
77 ADSP_OPEN_DATAPtr adspop;
78
79 if (sp == 0) {
80 pb->ioResult = errRefNum;
81 return EINVAL;
82 }
83 mp = gbuf_alloc(AT_WR_OFFSET + DDPL_FRAME_LEN + ADSP_FRAME_LEN + ADSP_OPEN_FRAME_LEN,
84 PRI_LO);
85 gbuf_rinc(mp,AT_WR_OFFSET);
86 gbuf_wset(mp,DDPL_FRAME_LEN);
87 adspp = (ADSP_FRAMEPtr)gbuf_wptr(mp);
88 gbuf_winc(mp,ADSP_FRAME_LEN);
89 bzero((caddr_t) gbuf_rptr(mp),DDPL_FRAME_LEN + ADSP_FRAME_LEN + ADSP_OPEN_FRAME_LEN);
90 adspp->descriptor = ADSP_CONTROL_BIT | ADSP_CTL_ODENY;
91 adspop = (ADSP_OPEN_DATAPtr)gbuf_wptr(mp);
92 gbuf_winc(mp,ADSP_OPEN_FRAME_LEN);
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93 UAS_ASSIGN_HTON(adspop->dstCID, pb->u.openParams.remoteCID);
94 UAS_ASSIGN_HTON(adspop->version, 0x100);
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95 adsp_sendddp(sp, mp,
96 DDPL_FRAME_LEN + ADSP_FRAME_LEN + ADSP_OPEN_FRAME_LEN,
97 &pb->u.openParams.remoteAddress, DDP_ADSP);
98 adspioc_ack(0, pb->ioc, pb->gref);
99 return 0;
100}