xref: /dflybsd-src/usr.sbin/ngctl/rmhook.c (revision 86d7f5d305c6adaa56ff4582ece9859d73106103)
1*86d7f5d3SJohn Marino /*
2*86d7f5d3SJohn Marino  * rmhook.c
3*86d7f5d3SJohn Marino  *
4*86d7f5d3SJohn Marino  * Copyright (c) 1996-1999 Whistle Communications, Inc.
5*86d7f5d3SJohn Marino  * All rights reserved.
6*86d7f5d3SJohn Marino  *
7*86d7f5d3SJohn Marino  * Subject to the following obligations and disclaimer of warranty, use and
8*86d7f5d3SJohn Marino  * redistribution of this software, in source or object code forms, with or
9*86d7f5d3SJohn Marino  * without modifications are expressly permitted by Whistle Communications;
10*86d7f5d3SJohn Marino  * provided, however, that:
11*86d7f5d3SJohn Marino  * 1. Any and all reproductions of the source or object code must include the
12*86d7f5d3SJohn Marino  *    copyright notice above and the following disclaimer of warranties; and
13*86d7f5d3SJohn Marino  * 2. No rights are granted, in any manner or form, to use Whistle
14*86d7f5d3SJohn Marino  *    Communications, Inc. trademarks, including the mark "WHISTLE
15*86d7f5d3SJohn Marino  *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
16*86d7f5d3SJohn Marino  *    such appears in the above copyright notice or in the software.
17*86d7f5d3SJohn Marino  *
18*86d7f5d3SJohn Marino  * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
19*86d7f5d3SJohn Marino  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
20*86d7f5d3SJohn Marino  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
21*86d7f5d3SJohn Marino  * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
22*86d7f5d3SJohn Marino  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
23*86d7f5d3SJohn Marino  * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
24*86d7f5d3SJohn Marino  * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
25*86d7f5d3SJohn Marino  * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
26*86d7f5d3SJohn Marino  * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
27*86d7f5d3SJohn Marino  * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
28*86d7f5d3SJohn Marino  * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
29*86d7f5d3SJohn Marino  * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
30*86d7f5d3SJohn Marino  * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
31*86d7f5d3SJohn Marino  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
32*86d7f5d3SJohn Marino  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
33*86d7f5d3SJohn Marino  * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
34*86d7f5d3SJohn Marino  * OF SUCH DAMAGE.
35*86d7f5d3SJohn Marino  *
36*86d7f5d3SJohn Marino  * $FreeBSD: src/usr.sbin/ngctl/rmhook.c,v 1.2 1999/11/30 02:45:31 archie Exp $
37*86d7f5d3SJohn Marino  * $DragonFly: src/usr.sbin/ngctl/rmhook.c,v 1.3 2005/03/16 04:45:07 joerg Exp $
38*86d7f5d3SJohn Marino  */
39*86d7f5d3SJohn Marino 
40*86d7f5d3SJohn Marino #include "ngctl.h"
41*86d7f5d3SJohn Marino 
42*86d7f5d3SJohn Marino static int RmHookCmd(int ac, const char **av);
43*86d7f5d3SJohn Marino 
44*86d7f5d3SJohn Marino const struct ngcmd rmhook_cmd = {
45*86d7f5d3SJohn Marino 	RmHookCmd,
46*86d7f5d3SJohn Marino 	"rmhook [path] <hook>",
47*86d7f5d3SJohn Marino 	"Disconnect hook \"hook\" of the node at \"path\"",
48*86d7f5d3SJohn Marino 	"The rmhook command forces the node at \"path\" to break the link"
49*86d7f5d3SJohn Marino 	" formed by its hook \"hook\", if connected."
50*86d7f5d3SJohn Marino 	" If \"path\" is omitted then \".\" is assumed.",
51*86d7f5d3SJohn Marino 	{ "disconnect" }
52*86d7f5d3SJohn Marino };
53*86d7f5d3SJohn Marino 
54*86d7f5d3SJohn Marino static int
RmHookCmd(int ac,const char ** av)55*86d7f5d3SJohn Marino RmHookCmd(int ac, const char **av)
56*86d7f5d3SJohn Marino {
57*86d7f5d3SJohn Marino 	struct ngm_rmhook rmh;
58*86d7f5d3SJohn Marino 	const char *path = ".";
59*86d7f5d3SJohn Marino 
60*86d7f5d3SJohn Marino 	/* Get arguments */
61*86d7f5d3SJohn Marino 	switch (ac) {
62*86d7f5d3SJohn Marino 	case 3:
63*86d7f5d3SJohn Marino 		path = av[1];
64*86d7f5d3SJohn Marino 		ac--;
65*86d7f5d3SJohn Marino 		av++;
66*86d7f5d3SJohn Marino 		/* FALLTHROUGH */
67*86d7f5d3SJohn Marino 	case 2:
68*86d7f5d3SJohn Marino 		snprintf(rmh.ourhook, sizeof(rmh.ourhook), "%s", av[1]);
69*86d7f5d3SJohn Marino 		break;
70*86d7f5d3SJohn Marino 	default:
71*86d7f5d3SJohn Marino 		return(CMDRTN_USAGE);
72*86d7f5d3SJohn Marino 	}
73*86d7f5d3SJohn Marino 
74*86d7f5d3SJohn Marino 	/* Send message */
75*86d7f5d3SJohn Marino 	if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
76*86d7f5d3SJohn Marino 	    NGM_RMHOOK, &rmh, sizeof(rmh)) < 0) {
77*86d7f5d3SJohn Marino 		warn("send msg");
78*86d7f5d3SJohn Marino 		return(CMDRTN_ERROR);
79*86d7f5d3SJohn Marino 	}
80*86d7f5d3SJohn Marino 	return(CMDRTN_OK);
81*86d7f5d3SJohn Marino }
82