usr/src/cmd/scadm/sparc/mpxu/common/set.c

   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
  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 }