usr.sbin/ngctl/connect.c

   1 /*
   2  * connect.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/connect.c,v 1.2 1999/11/30 02:45:30 archie Exp $
  37  * $DragonFly: src/usr.sbin/ngctl/connect.c,v 1.3 2005/03/16 04:45:07 joerg Exp $
  38  */
  39
  40 #include "ngctl.h"
  41
  42 static int ConnectCmd(int ac, const char **av);
  43
  44 const struct ngcmd connect_cmd = {
  45         ConnectCmd,
  46         "connect [path] <relpath> <hook> <peerhook>",
  47         "Connects hook <peerhook> of the node at <relpath> to <hook>",
  48         "The connect command creates a link between the two nodes at"
  49         " \"path\" and \"relpath\" using hooks \"hook\" and \"peerhook\","
  50         " respectively. The \"relpath\", if not absolute, is specified"
  51         " relative to the node at \"path\"."
  52         " If \"path\" is omitted then \".\" is assumed.",
  53         { "join" }
  54 };
  55
  56 static int
  57 ConnectCmd(int ac, const char **av)
  58 {
  59         struct ngm_connect con;
  60         const char *path = ".";
  61
  62         /* Get arguments */
  63         switch (ac) {
  64         case 5:
  65                 path = av[1];
  66                 ac--;
  67                 av++;
  68                 /* FALLTHROUGH */
  69         case 4:
  70                 snprintf(con.path, sizeof(con.path), "%s", av[1]);
  71                 snprintf(con.ourhook, sizeof(con.ourhook), "%s", av[2]);
  72                 snprintf(con.peerhook, sizeof(con.peerhook), "%s", av[3]);
  73                 break;
  74         default:
  75                 return(CMDRTN_USAGE);
  76         }
  77
  78         /* Send message */
  79         if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
  80             NGM_CONNECT, &con, sizeof(con)) < 0) {
  81                 warn("send msg");
  82                 return(CMDRTN_ERROR);
  83         }
  84         return(CMDRTN_OK);
  85 }