xref: /freebsd/usr.sbin/ngctl/name.c (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1 
2 /*
3  * name.c
4  *
5  * Copyright (c) 1996-1999 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 
38 #include <err.h>
39 #include <stdio.h>
40 #include <unistd.h>
41 #include <netgraph.h>
42 
43 #include "ngctl.h"
44 
45 static int NameCmd(int ac, char **av);
46 
47 const struct ngcmd name_cmd = {
48 	NameCmd,
49 	"name <path> <name>",
50 	"Assign name <name> to the node at <path>",
51 	NULL,
52 	{ NULL }
53 };
54 
55 static int
56 NameCmd(int ac, char **av)
57 {
58 	struct ngm_name name;
59 	char *path;
60 
61 	/* Get arguments */
62 	switch (ac) {
63 	case 3:
64 		path = av[1];
65 		snprintf(name.name, sizeof(name.name), "%s", av[2]);
66 		break;
67 	default:
68 		return (CMDRTN_USAGE);
69 	}
70 
71 	/* Send message */
72 	if (NgSendMsg(csock, path, NGM_GENERIC_COOKIE,
73 	    NGM_NAME, &name, sizeof(name)) < 0) {
74 		warn("send msg");
75 		return (CMDRTN_ERROR);
76 	}
77 	return (CMDRTN_OK);
78 }
79 
80