1 /*
2 * mkpeer.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
37 #include <err.h>
38 #include <netgraph.h>
39 #include <stdio.h>
40
41 #include "ngctl.h"
42
43 static int MkPeerCmd(int ac, char **av);
44
45 const struct ngcmd mkpeer_cmd = {
46 MkPeerCmd,
47 "mkpeer [path] <type> <hook> <peerhook>",
48 "Create and connect a new node to the node at \"path\"",
49 "The mkpeer command atomically creates a new node of type \"type\""
50 " and connects it to the node at \"path\". The hooks used for the"
51 " connection are \"hook\" on the original node and \"peerhook\""
52 " on the new node."
53 " If \"path\" is omitted then \".\" is assumed.",
54 { NULL }
55 };
56
57 static int
MkPeerCmd(int ac,char ** av)58 MkPeerCmd(int ac, char **av)
59 {
60 struct ngm_mkpeer mkp;
61 const char *path = ".";
62
63 /* Get arguments */
64 switch (ac) {
65 case 5:
66 path = av[1];
67 ac--;
68 av++;
69 /* FALLTHROUGH */
70 case 4:
71 snprintf(mkp.type, sizeof(mkp.type), "%s", av[1]);
72 snprintf(mkp.ourhook, sizeof(mkp.ourhook), "%s", av[2]);
73 snprintf(mkp.peerhook, sizeof(mkp.peerhook), "%s", av[3]);
74 break;
75 default:
76 return (CMDRTN_USAGE);
77 }
78
79 /* Send message */
80 if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
81 NGM_MKPEER, &mkp, sizeof(mkp)) < 0) {
82 warn("send msg");
83 return (CMDRTN_ERROR);
84 }
85 return (CMDRTN_OK);
86 }
87