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freebsd/usr.sbin/ngctl/rmhook.c
2006-06-28 10:38:38 +00:00

87 lines
2.9 KiB
C

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