config.c revision 63673 
1/*
2 * config.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 * $FreeBSD: head/usr.sbin/ngctl/config.c 63673 2000-07-20 17:17:49Z archie $
37 */
38
39#include "ngctl.h"
40
41#define NOCONFIG	"<no config>"
42
43static int ConfigCmd(int ac, char **av);
44
45const struct ngcmd config_cmd = {
46	ConfigCmd,
47	"config <path> [arguments]",
48	"get or set configuration of node at <path>",
49	NULL
50};
51
52static int
53ConfigCmd(int ac, char **av)
54{
55	u_char sbuf[sizeof(struct ng_mesg) + NG_TEXTRESPONSE];
56	struct ng_mesg *const resp = (struct ng_mesg *) sbuf;
57	char *const status = (char *) resp->data;
58	char *path;
59	char buf[NG_TEXTRESPONSE];
60	int nostat = 0, i;
61
62	/* Get arguments */
63	if (ac < 2)
64		return(CMDRTN_USAGE);
65	path = av[1];
66
67	*buf = '\0';
68	for (i = 2; i < ac; i++) {
69		if (i != 2)
70			strcat(buf, " ");
71		strcat(buf, av[i]);
72	}
73
74	/* Get node config summary */
75	if (*buf != '\0')
76		i = NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
77	            NGM_TEXT_CONFIG, buf, strlen(buf) + 1);
78	else
79		i = NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
80	            NGM_TEXT_CONFIG, NULL, 0);
81	if (i < 0) {
82		switch (errno) {
83		case EINVAL:
84			nostat = 1;
85			break;
86		default:
87			warn("send msg");
88			return(CMDRTN_ERROR);
89		}
90	} else {
91		if (NgRecvMsg(csock, resp, sizeof(sbuf), NULL) < 0
92		    || (resp->header.flags & NGF_RESP) == 0)
93			nostat = 1;
94	}
95
96	/* Show it */
97	if (nostat)
98		printf("No config available for \"%s\"\n", path);
99	else
100		printf("Config for \"%s\":\n%s\n", path, status);
101	return(CMDRTN_OK);
102}
103
104