msg.c revision 58018 
1
2/*
3 * msg.c
4 *
5 * Copyright (c) 1999 Whistle Communications, Inc.
6 * All rights reserved.
7 *
8 * Subject to the following obligations and disclaimer of warranty, use and
9 * redistribution of this software, in source or object code forms, with or
10 * without modifications are expressly permitted by Whistle Communications;
11 * provided, however, that:
12 * 1. Any and all reproductions of the source or object code must include the
13 *    copyright notice above and the following disclaimer of warranties; and
14 * 2. No rights are granted, in any manner or form, to use Whistle
15 *    Communications, Inc. trademarks, including the mark "WHISTLE
16 *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
17 *    such appears in the above copyright notice or in the software.
18 *
19 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
20 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
21 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
22 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
23 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
24 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
25 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
26 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
27 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
28 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
29 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
30 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
31 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
34 * THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
35 * OF SUCH DAMAGE.
36 *
37 * $Whistle: msg.c,v 1.2 1999/11/29 23:38:35 archie Exp $
38 * $FreeBSD: head/usr.sbin/ngctl/msg.c 58018 2000-03-13 19:23:16Z archie $
39 */
40
41#include "ngctl.h"
42
43#define BUF_SIZE	1024
44
45static int MsgCmd(int ac, char **av);
46
47const struct ngcmd msg_cmd = {
48	MsgCmd,
49	"msg path command [args ... ]",
50	"Send a netgraph control message to the node at \"path\"",
51	"The msg command constructs a netgraph control message from the"
52	" command name and ASCII arguments (if any) and sends that message"
53	" to the node.  It does this by first asking the node to convert"
54	" the ASCII message into binary format, and resending the result.",
55	{ "cmd" }
56};
57
58static int
59MsgCmd(int ac, char **av)
60{
61	char buf[BUF_SIZE];
62	char *path, *cmdstr;
63	int i;
64
65	/* Get arguments */
66	if (ac < 3)
67		return(CMDRTN_USAGE);
68	path = av[1];
69	cmdstr = av[2];
70
71	/* Put command and arguments back together as one string */
72	for (*buf = '\0', i = 3; i < ac; i++) {
73		snprintf(buf + strlen(buf),
74		    sizeof(buf) - strlen(buf), " %s", av[i]);
75	}
76
77	/* Send it */
78	if (NgSendAsciiMsg(csock, path, "%s%s", cmdstr, buf) < 0) {
79		warn("send msg");
80		return(CMDRTN_ERROR);
81	}
82
83	/* Done */
84	return(CMDRTN_OK);
85}
86
87