freebsd-dev/usr.sbin/ngctl/msg.c

87 lines
3.0 KiB
C

/*
* msg.c
*
* Copyright (c) 1999 Whistle Communications, Inc.
* All rights reserved.
*
* Subject to the following obligations and disclaimer of warranty, use and
* redistribution of this software, in source or object code forms, with or
* without modifications are expressly permitted by Whistle Communications;
* provided, however, that:
* 1. Any and all reproductions of the source or object code must include the
* copyright notice above and the following disclaimer of warranties; and
* 2. No rights are granted, in any manner or form, to use Whistle
* Communications, Inc. trademarks, including the mark "WHISTLE
* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
* such appears in the above copyright notice or in the software.
*
* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* $Whistle: msg.c,v 1.2 1999/11/29 23:38:35 archie Exp $
* $FreeBSD$
*/
#include "ngctl.h"
#define BUF_SIZE 1024
static int MsgCmd(int ac, char **av);
const struct ngcmd msg_cmd = {
MsgCmd,
"msg path command [args ... ]",
"Send a netgraph control message to the node at \"path\"",
"The msg command constructs a netgraph control message from the"
" command name and ASCII arguments (if any) and sends that message"
" to the node. It does this by first asking the node to convert"
" the ASCII message into binary format, and resending the result.",
{ "cmd" }
};
static int
MsgCmd(int ac, char **av)
{
char buf[BUF_SIZE];
char *path, *cmdstr;
int i;
/* Get arguments */
if (ac < 3)
return(CMDRTN_USAGE);
path = av[1];
cmdstr = av[2];
/* Put command and arguments back together as one string */
for (*buf = '\0', i = 3; i < ac; i++) {
snprintf(buf + strlen(buf),
sizeof(buf) - strlen(buf), " %s", av[i]);
}
/* Send it */
if (NgSendAsciiMsg(csock, path, "%s%s", cmdstr, buf) < 0) {
warn("send msg");
return(CMDRTN_ERROR);
}
/* Done */
return(CMDRTN_OK);
}