1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2002 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * set.c: support for the scadm set option (set NV variables in the service
31  * processor)
32  */
33 
34 #include <libintl.h>
35 #include <stdio.h>
36 #include <string.h>
37 #include <time.h>  /* required by librsc.h */
38 
39 #include "librsc.h"
40 #include "adm.h"
41 
42 
43 void
ADM_Process_set(int argc,char * argv[])44 ADM_Process_set(int argc, char *argv[])
45 {
46 	rscp_msg_t	Message;
47 	struct timespec	Timeout;
48 	static char	DataBuffer[DP_MAX_MSGLEN];
49 
50 
51 	if (argc != 4) {
52 		(void) fprintf(stderr, "\n%s\n\n",
53 		    gettext("USAGE: scadm set <variable> <value>"));
54 		exit(-1);
55 	}
56 
57 	ADM_Start();
58 
59 	Message.type = DP_SET_CFGVAR;
60 	Message.len  = strlen(argv[2]) + strlen(argv[3]) + 2;
61 	if (Message.len > DP_MAX_MSGLEN - 4) {
62 		(void) fprintf(stderr, "\n%s\n\n",
63 		    gettext("scadm: command line too long"));
64 		exit(-1);
65 	}
66 
67 	/*
68 	 * Concatenate the two strings into DataBuffer.  Make sure you
69 	 * leave space for the string termination char.
70 	 */
71 	(void) strcpy(DataBuffer, argv[2]);
72 	(void) strcpy(&DataBuffer[strlen(argv[2])+1], argv[3]);
73 	Message.data = DataBuffer;
74 
75 	ADM_Send(&Message);
76 
77 	Timeout.tv_nsec = 0;
78 	Timeout.tv_sec  = ADM_TIMEOUT;
79 	ADM_Recv(&Message, &Timeout,
80 	    DP_SET_CFGVAR_R, sizeof (dp_set_cfgvar_r_t));
81 
82 	if (*(int *)Message.data != 0) {
83 		(void) fprintf(stderr, "\n%s\n\n",
84 		    gettext("scadm: invalid variable or value"));
85 		exit(-1);
86 	}
87 
88 	ADM_Free(&Message);
89 }
90