87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
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/*
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* rmhook.c
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*
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* Copyright (c) 1996-1999 Whistle Communications, Inc.
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* All rights reserved.
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*
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* Subject to the following obligations and disclaimer of warranty, use and
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* redistribution of this software, in source or object code forms, with or
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* without modifications are expressly permitted by Whistle Communications;
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* provided, however, that:
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* 1. Any and all reproductions of the source or object code must include the
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* copyright notice above and the following disclaimer of warranties; and
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* 2. No rights are granted, in any manner or form, to use Whistle
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* Communications, Inc. trademarks, including the mark "WHISTLE
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* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
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* such appears in the above copyright notice or in the software.
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*
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* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
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* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
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* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
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* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
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* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
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* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
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* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
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* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <err.h>
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#include <netgraph.h>
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#include <stdio.h>
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#include "ngctl.h"
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static int RmHookCmd(int ac, char **av);
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const struct ngcmd rmhook_cmd = {
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RmHookCmd,
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"rmhook [path] <hook>",
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"Disconnect hook \"hook\" of the node at \"path\"",
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"The rmhook command forces the node at \"path\" to break the link"
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" formed by its hook \"hook\", if connected."
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" If \"path\" is omitted then \".\" is assumed.",
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{ "disconnect" }
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};
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static int
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RmHookCmd(int ac, char **av)
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{
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struct ngm_rmhook rmh;
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const char *path = ".";
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/* Get arguments */
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switch (ac) {
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case 3:
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path = av[1];
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ac--;
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av++;
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/* FALLTHROUGH */
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case 2:
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snprintf(rmh.ourhook, sizeof(rmh.ourhook), "%s", av[1]);
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break;
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default:
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return(CMDRTN_USAGE);
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}
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/* Send message */
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if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
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NGM_RMHOOK, &rmh, sizeof(rmh)) < 0) {
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warn("send msg");
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return(CMDRTN_ERROR);
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}
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return(CMDRTN_OK);
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}
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