mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-11-26 20:12:44 +00:00
138 lines
4.1 KiB
C
138 lines
4.1 KiB
C
|
|
/*
|
|
* show.c
|
|
*
|
|
* Copyright (c) 1996-1999 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.
|
|
*/
|
|
|
|
#include <err.h>
|
|
#include <netgraph.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#include "ngctl.h"
|
|
|
|
#define FMT " %-15s %-15s %-12s %-15s %-15s\n"
|
|
#define UNNAMED "<unnamed>"
|
|
#define NOSTATUS "<no status>"
|
|
|
|
static int ShowCmd(int ac, char **av);
|
|
|
|
const struct ngcmd show_cmd = {
|
|
ShowCmd,
|
|
"show [-n] <path>",
|
|
"Show information about the node at <path>",
|
|
"If the -n flag is given, hooks are not listed.",
|
|
{ "inquire", "info" }
|
|
};
|
|
|
|
static int
|
|
ShowCmd(int ac, char **av)
|
|
{
|
|
char *path;
|
|
struct ng_mesg *resp;
|
|
struct hooklist *hlist;
|
|
struct nodeinfo *ninfo;
|
|
int ch, no_hooks = 0;
|
|
|
|
/* Get options */
|
|
optind = 1;
|
|
while ((ch = getopt(ac, av, "n")) != -1) {
|
|
switch (ch) {
|
|
case 'n':
|
|
no_hooks = 1;
|
|
break;
|
|
case '?':
|
|
default:
|
|
return (CMDRTN_USAGE);
|
|
break;
|
|
}
|
|
}
|
|
ac -= optind;
|
|
av += optind;
|
|
|
|
/* Get arguments */
|
|
switch (ac) {
|
|
case 1:
|
|
path = av[0];
|
|
break;
|
|
default:
|
|
return (CMDRTN_USAGE);
|
|
}
|
|
|
|
/* Get node info and hook list */
|
|
if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
|
|
NGM_LISTHOOKS, NULL, 0) < 0) {
|
|
warn("send msg");
|
|
return (CMDRTN_ERROR);
|
|
}
|
|
if (NgAllocRecvMsg(csock, &resp, NULL) < 0) {
|
|
warn("recv msg");
|
|
return (CMDRTN_ERROR);
|
|
}
|
|
|
|
/* Show node information */
|
|
hlist = (struct hooklist *) resp->data;
|
|
ninfo = &hlist->nodeinfo;
|
|
if (!*ninfo->name)
|
|
snprintf(ninfo->name, sizeof(ninfo->name), "%s", UNNAMED);
|
|
printf(" Name: %-15s Type: %-15s ID: %08x Num hooks: %d\n",
|
|
ninfo->name, ninfo->type, ninfo->id, ninfo->hooks);
|
|
if (!no_hooks && ninfo->hooks > 0) {
|
|
u_int k;
|
|
|
|
printf(FMT, "Local hook", "Peer name",
|
|
"Peer type", "Peer ID", "Peer hook");
|
|
printf(FMT, "----------", "---------",
|
|
"---------", "-------", "---------");
|
|
for (k = 0; k < ninfo->hooks; k++) {
|
|
struct linkinfo *const link = &hlist->link[k];
|
|
struct nodeinfo *const peer = &hlist->link[k].nodeinfo;
|
|
char idbuf[20];
|
|
|
|
if (!*peer->name) {
|
|
snprintf(peer->name, sizeof(peer->name),
|
|
"%s", UNNAMED);
|
|
}
|
|
snprintf(idbuf, sizeof(idbuf), "%08x", peer->id);
|
|
printf(FMT, link->ourhook, peer->name,
|
|
peer->type, idbuf, link->peerhook);
|
|
}
|
|
}
|
|
free(resp);
|
|
return (CMDRTN_OK);
|
|
}
|
|
|
|
|