10Sstevel@tonic-gate /*
20Sstevel@tonic-gate * CDDL HEADER START
30Sstevel@tonic-gate *
40Sstevel@tonic-gate * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
70Sstevel@tonic-gate * with the License.
80Sstevel@tonic-gate *
90Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate * See the License for the specific language governing permissions
120Sstevel@tonic-gate * and limitations under the License.
130Sstevel@tonic-gate *
140Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate *
200Sstevel@tonic-gate * CDDL HEADER END
210Sstevel@tonic-gate */
220Sstevel@tonic-gate /*
23*644Sakaplan * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
240Sstevel@tonic-gate * Use is subject to license terms.
250Sstevel@tonic-gate */
260Sstevel@tonic-gate
270Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
280Sstevel@tonic-gate /* All Rights Reserved */
290Sstevel@tonic-gate
300Sstevel@tonic-gate
310Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
320Sstevel@tonic-gate
330Sstevel@tonic-gate /*
340Sstevel@tonic-gate * listdgrp.c
350Sstevel@tonic-gate *
360Sstevel@tonic-gate * Contains
370Sstevel@tonic-gate * listdgrp Writes on the standard output stream a list of devices
380Sstevel@tonic-gate * that belong to the specified device group
390Sstevel@tonic-gate */
400Sstevel@tonic-gate
410Sstevel@tonic-gate #include <sys/types.h>
420Sstevel@tonic-gate #include <stdio.h>
430Sstevel@tonic-gate #include <stdlib.h>
440Sstevel@tonic-gate #include <string.h>
450Sstevel@tonic-gate #include <errno.h>
460Sstevel@tonic-gate #include <devmgmt.h>
470Sstevel@tonic-gate #include <devtab.h>
480Sstevel@tonic-gate #include <fmtmsg.h>
490Sstevel@tonic-gate
500Sstevel@tonic-gate
510Sstevel@tonic-gate /*
520Sstevel@tonic-gate * Local Definitions
530Sstevel@tonic-gate * TRUE Boolean TRUE value (if not already defined)
540Sstevel@tonic-gate * FALSE Boolean not-TRUE value (if not already defined)
550Sstevel@tonic-gate */
560Sstevel@tonic-gate
570Sstevel@tonic-gate #ifndef TRUE
580Sstevel@tonic-gate #define TRUE ('t')
590Sstevel@tonic-gate #endif
600Sstevel@tonic-gate
610Sstevel@tonic-gate #ifndef FALSE
620Sstevel@tonic-gate #define FALSE (0)
630Sstevel@tonic-gate #endif
640Sstevel@tonic-gate
650Sstevel@tonic-gate /*
660Sstevel@tonic-gate * Messages:
670Sstevel@tonic-gate * M_USAGE Command usage error
680Sstevel@tonic-gate * M_NODGRP Device group not found
690Sstevel@tonic-gate * M_DGRPTAB Device-group table not found
700Sstevel@tonic-gate * M_ERROR Internal error
710Sstevel@tonic-gate */
720Sstevel@tonic-gate
730Sstevel@tonic-gate #define M_USAGE "usage: listdgrp dgroup"
740Sstevel@tonic-gate #define M_NODGRP "Device group not found: %s"
750Sstevel@tonic-gate #define M_DGRPTAB "Cannot open device-group table: %s"
760Sstevel@tonic-gate #define M_ERROR "Internal error, errno=%d"
770Sstevel@tonic-gate
780Sstevel@tonic-gate
790Sstevel@tonic-gate /*
800Sstevel@tonic-gate * Exit codes
810Sstevel@tonic-gate * EX_OK Exiting okay, no problem
820Sstevel@tonic-gate * EX_ERROR Some problem with the command
830Sstevel@tonic-gate * EX_NODGRPTAB Device group table could not be opened
840Sstevel@tonic-gate * EX_NODGROUP Device group couldn't be found
850Sstevel@tonic-gate */
860Sstevel@tonic-gate
870Sstevel@tonic-gate #define EX_OK 0
880Sstevel@tonic-gate #define EX_ERROR 1
890Sstevel@tonic-gate #define EX_NODGRPTAB 2
900Sstevel@tonic-gate #define EX_NODGROUP 3
910Sstevel@tonic-gate
920Sstevel@tonic-gate
930Sstevel@tonic-gate /*
940Sstevel@tonic-gate * Macros
950Sstevel@tonic-gate * stdmsg(r,l,s,t) Write a message in standard format
960Sstevel@tonic-gate * r Recoverability flag
970Sstevel@tonic-gate * l Label
980Sstevel@tonic-gate * s Severity
990Sstevel@tonic-gate * t Tag
1000Sstevel@tonic-gate */
1010Sstevel@tonic-gate
1020Sstevel@tonic-gate #define stdmsg(r,l,s,t) (void) fmtmsg(MM_PRINT|MM_UTIL|r,l,s,t,MM_NULLACT,MM_NULLTAG)
1030Sstevel@tonic-gate
1040Sstevel@tonic-gate /*
1050Sstevel@tonic-gate * Global Variables
1060Sstevel@tonic-gate */
1070Sstevel@tonic-gate
1080Sstevel@tonic-gate
1090Sstevel@tonic-gate /*
1100Sstevel@tonic-gate * Static Variables
1110Sstevel@tonic-gate *
1120Sstevel@tonic-gate * lbl Buffer for the message label
1130Sstevel@tonic-gate */
1140Sstevel@tonic-gate
1150Sstevel@tonic-gate static char lbl[MM_MXLABELLN+1];
1160Sstevel@tonic-gate static char msg[MM_MXTXTLN+1];
1170Sstevel@tonic-gate
1180Sstevel@tonic-gate /*
1190Sstevel@tonic-gate * listdgrp <dgroup>
1200Sstevel@tonic-gate *
1210Sstevel@tonic-gate * List the devices that belong to the device group <dgroup>.
1220Sstevel@tonic-gate * It writes the list to the standard output file (stdout)
1230Sstevel@tonic-gate * in a new-line list.
1240Sstevel@tonic-gate *
1250Sstevel@tonic-gate * Returns:
1260Sstevel@tonic-gate * 0 Ok
1270Sstevel@tonic-gate * 1 Syntax or other error
1280Sstevel@tonic-gate * 2 Device table can't be opened
1290Sstevel@tonic-gate * 3 Device group doesn't exist
1300Sstevel@tonic-gate */
1310Sstevel@tonic-gate
132*644Sakaplan int
main(int argc,char ** argv)133*644Sakaplan main(int argc, char **argv)
1340Sstevel@tonic-gate {
1350Sstevel@tonic-gate
1360Sstevel@tonic-gate /*
1370Sstevel@tonic-gate * Automatic data
1380Sstevel@tonic-gate */
1390Sstevel@tonic-gate
1400Sstevel@tonic-gate char **devices; /* List of devices in the group */
1410Sstevel@tonic-gate char **pp; /* Running pointer to device names */
1420Sstevel@tonic-gate char *cmdname; /* Simple command name */
1430Sstevel@tonic-gate char *dgrptab; /* The device-group table name */
1440Sstevel@tonic-gate char *dgroup; /* Device group to list */
1450Sstevel@tonic-gate int exitcode; /* Value to return to the caller */
1460Sstevel@tonic-gate int sev; /* Message severity */
1470Sstevel@tonic-gate int optchar; /* Option char (from getopt()) */
1480Sstevel@tonic-gate int usageerr; /* TRUE if syntax error on command */
1490Sstevel@tonic-gate
1500Sstevel@tonic-gate
1510Sstevel@tonic-gate /* Build the message label from the (simple) command name */
1520Sstevel@tonic-gate if ((cmdname = strrchr(argv[0], '/')) != (char *) NULL) cmdname++;
1530Sstevel@tonic-gate else cmdname = argv[0];
1540Sstevel@tonic-gate (void) strlcat(strcpy(lbl, "UX:"), cmdname, sizeof(lbl));
1550Sstevel@tonic-gate
1560Sstevel@tonic-gate /* Only write the text component of a message (this goes away in SVR4.1) */
1570Sstevel@tonic-gate (void) putenv("MSGVERB=text");
1580Sstevel@tonic-gate
1590Sstevel@tonic-gate /*
1600Sstevel@tonic-gate * Parse the command line:
1610Sstevel@tonic-gate * - Options
1620Sstevel@tonic-gate * - Device group to display
1630Sstevel@tonic-gate */
1640Sstevel@tonic-gate
1650Sstevel@tonic-gate /*
1660Sstevel@tonic-gate * Extract options from the command line
1670Sstevel@tonic-gate */
1680Sstevel@tonic-gate
1690Sstevel@tonic-gate /* Initializations */
1700Sstevel@tonic-gate usageerr = FALSE; /* No errors on the command line (yet) */
1710Sstevel@tonic-gate
1720Sstevel@tonic-gate /*
1730Sstevel@tonic-gate * Loop until all of the command line options have been parced
1740Sstevel@tonic-gate * (and don't let getopt() write messages)
1750Sstevel@tonic-gate */
1760Sstevel@tonic-gate
1770Sstevel@tonic-gate opterr = FALSE;
1780Sstevel@tonic-gate while ((optchar = getopt(argc, argv, "")) != EOF) switch (optchar) {
1790Sstevel@tonic-gate
1800Sstevel@tonic-gate /* Default case -- command usage error */
1810Sstevel@tonic-gate case '?':
1820Sstevel@tonic-gate default:
1830Sstevel@tonic-gate usageerr = TRUE;
1840Sstevel@tonic-gate break;
1850Sstevel@tonic-gate }
1860Sstevel@tonic-gate
1870Sstevel@tonic-gate /* Check the argument count and extract the device group name */
1880Sstevel@tonic-gate if (usageerr || (optind != argc-1)) usageerr = TRUE;
1890Sstevel@tonic-gate else dgroup = argv[optind];
1900Sstevel@tonic-gate
1910Sstevel@tonic-gate /* If there is a usage error, write an appropriate message and exit */
1920Sstevel@tonic-gate if (usageerr) {
1930Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_ERROR, M_USAGE);
1940Sstevel@tonic-gate exit(EX_ERROR);
1950Sstevel@tonic-gate }
1960Sstevel@tonic-gate
1970Sstevel@tonic-gate /* Open the device-group file (if there's one to be opened) */
1980Sstevel@tonic-gate if (!_opendgrptab("r")) {
1990Sstevel@tonic-gate if (dgrptab = _dgrptabpath()) {
2000Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_DGRPTAB, dgrptab);
2010Sstevel@tonic-gate exitcode = EX_NODGRPTAB;
2020Sstevel@tonic-gate sev = MM_ERROR;
2030Sstevel@tonic-gate } else {
2040Sstevel@tonic-gate (void) sprintf(msg, M_ERROR, errno);
2050Sstevel@tonic-gate exitcode = EX_ERROR;
2060Sstevel@tonic-gate sev = MM_HALT;
2070Sstevel@tonic-gate }
2080Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, sev, msg);
2090Sstevel@tonic-gate exit(exitcode);
2100Sstevel@tonic-gate }
2110Sstevel@tonic-gate
2120Sstevel@tonic-gate
2130Sstevel@tonic-gate /*
2140Sstevel@tonic-gate * Get the list of devices associated with the device group.
2150Sstevel@tonic-gate * If we get one, write the list to the standard output.
2160Sstevel@tonic-gate * Otherwise, write an appropriate error message
2170Sstevel@tonic-gate */
2180Sstevel@tonic-gate
2190Sstevel@tonic-gate exitcode = EX_OK;
2200Sstevel@tonic-gate if (devices = listdgrp(dgroup)) {
2210Sstevel@tonic-gate for (pp = devices ; *pp ; pp++) (void) puts(*pp);
2220Sstevel@tonic-gate }
2230Sstevel@tonic-gate else {
2240Sstevel@tonic-gate if (errno == EINVAL) {
2250Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_NODGRP, dgroup);
2260Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_ERROR, msg);
2270Sstevel@tonic-gate exitcode = EX_NODGROUP;
2280Sstevel@tonic-gate }
2290Sstevel@tonic-gate else {
2300Sstevel@tonic-gate (void) sprintf(msg, M_ERROR, errno);
2310Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_HALT, msg);
2320Sstevel@tonic-gate exitcode = EX_ERROR;
2330Sstevel@tonic-gate }
2340Sstevel@tonic-gate }
2350Sstevel@tonic-gate
2360Sstevel@tonic-gate /* Finished (now wasn't that special?) */
2370Sstevel@tonic-gate return(exitcode);
2380Sstevel@tonic-gate }
239