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110 lines
3.4 KiB
C
110 lines
3.4 KiB
C
/*
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* config.c
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*
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* Copyright (c) 1996-1999 Whistle Communications, Inc.
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* All rights reserved.
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*
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* Subject to the following obligations and disclaimer of warranty, use and
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* redistribution of this software, in source or object code forms, with or
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* without modifications are expressly permitted by Whistle Communications;
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* provided, however, that:
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* 1. Any and all reproductions of the source or object code must include the
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* copyright notice above and the following disclaimer of warranties; and
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* 2. No rights are granted, in any manner or form, to use Whistle
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* Communications, Inc. trademarks, including the mark "WHISTLE
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* COMMUNICATIONS" on advertising, endorsements, or otherwise except as
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* such appears in the above copyright notice or in the software.
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*
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* THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
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* TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
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* REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
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* INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
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* WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
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* REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
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* SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
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* IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
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* RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
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* WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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#include <err.h>
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#include <errno.h>
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#include <netgraph.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "ngctl.h"
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#define NOCONFIG "<no config>"
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static int ConfigCmd(int ac, char **av);
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const struct ngcmd config_cmd = {
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ConfigCmd,
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"config <path> [arguments]",
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"get or set configuration of node at <path>",
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NULL,
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{ NULL }
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};
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static int
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ConfigCmd(int ac, char **av)
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{
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u_char sbuf[sizeof(struct ng_mesg) + NG_TEXTRESPONSE];
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struct ng_mesg *const resp = (struct ng_mesg *) sbuf;
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char *const status = (char *) resp->data;
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char *path;
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char buf[NG_TEXTRESPONSE];
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int nostat = 0, i;
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/* Get arguments */
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if (ac < 2)
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return (CMDRTN_USAGE);
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path = av[1];
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*buf = '\0';
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for (i = 2; i < ac; i++) {
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if (i != 2)
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strcat(buf, " ");
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strcat(buf, av[i]);
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}
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/* Get node config summary */
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if (*buf != '\0')
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i = NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
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NGM_TEXT_CONFIG, buf, strlen(buf) + 1);
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else
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i = NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
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NGM_TEXT_CONFIG, NULL, 0);
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if (i < 0) {
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switch (errno) {
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case EINVAL:
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nostat = 1;
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break;
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default:
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warn("send msg");
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return (CMDRTN_ERROR);
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}
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} else {
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if (NgRecvMsg(csock, resp, sizeof(sbuf), NULL) < 0
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|| (resp->header.flags & NGF_RESP) == 0)
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nostat = 1;
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}
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/* Show it */
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if (nostat)
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printf("No config available for \"%s\"\n", path);
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else
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printf("Config for \"%s\":\n%s\n", path, status);
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return (CMDRTN_OK);
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}
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