usr.sbin/ngctl/rmhook.c

   1 /*
   2  * rmhook.c
   3  *
   4  * Copyright (c) 1996-1999 Whistle Communications, Inc.
   5  * All rights reserved.
   6  *
   7  * Subject to the following obligations and disclaimer of warranty, use and
   8  * redistribution of this software, in source or object code forms, with or
   9  * without modifications are expressly permitted by Whistle Communications;
  10  * provided, however, that:
  11  * 1. Any and all reproductions of the source or object code must include the
  12  *    copyright notice above and the following disclaimer of warranties; and
  13  * 2. No rights are granted, in any manner or form, to use Whistle
  14  *    Communications, Inc. trademarks, including the mark "WHISTLE
  15  *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
  16  *    such appears in the above copyright notice or in the software.
  17  *
  18  * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
  19  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
  20  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
  21  * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
  23  * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
  24  * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
  25  * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
  26  * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
  27  * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
  28  * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
  29  * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
  30  * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
  31  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  32  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  33  * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
  34  * OF SUCH DAMAGE.
  35  *
  36  * $FreeBSD: src/usr.sbin/ngctl/rmhook.c,v 1.2 1999/11/30 02:45:31 archie Exp $
  37  * $DragonFly: src/usr.sbin/ngctl/rmhook.c,v 1.3 2005/03/16 04:45:07 joerg Exp $
  38  */
  39
  40 #include "ngctl.h"
  41
  42 static int RmHookCmd(int ac, const char **av);
  43
  44 const struct ngcmd rmhook_cmd = {
  45         RmHookCmd,
  46         "rmhook [path] <hook>",
  47         "Disconnect hook \"hook\" of the node at \"path\"",
  48         "The rmhook command forces the node at \"path\" to break the link"
  49         " formed by its hook \"hook\", if connected."
  50         " If \"path\" is omitted then \".\" is assumed.",
  51         { "disconnect" }
  52 };
  53
  54 static int
  55 RmHookCmd(int ac, const char **av)
  56 {
  57         struct ngm_rmhook rmh;
  58         const char *path = ".";
  59
  60         /* Get arguments */
  61         switch (ac) {
  62         case 3:
  63                 path = av[1];
  64                 ac--;
  65                 av++;
  66                 /* FALLTHROUGH */
  67         case 2:
  68                 snprintf(rmh.ourhook, sizeof(rmh.ourhook), "%s", av[1]);
  69                 break;
  70         default:
  71                 return(CMDRTN_USAGE);
  72         }
  73
  74         /* Send message */
  75         if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
  76             NGM_RMHOOK, &rmh, sizeof(rmh)) < 0) {
  77                 warn("send msg");
  78                 return(CMDRTN_ERROR);
  79         }
  80         return(CMDRTN_OK);
  81 }