17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 23*113f4232Sakaplan * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 287c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate /* 347c478bd9Sstevel@tonic-gate * devfree key [device [...]] 357c478bd9Sstevel@tonic-gate */ 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate #include <sys/types.h> 387c478bd9Sstevel@tonic-gate #include <sys/param.h> 397c478bd9Sstevel@tonic-gate #include <stdio.h> 407c478bd9Sstevel@tonic-gate #include <errno.h> 417c478bd9Sstevel@tonic-gate #include <stdlib.h> 427c478bd9Sstevel@tonic-gate #include <string.h> 437c478bd9Sstevel@tonic-gate #include <fmtmsg.h> 447c478bd9Sstevel@tonic-gate #include <devmgmt.h> 457c478bd9Sstevel@tonic-gate #include <values.h> 467c478bd9Sstevel@tonic-gate #include <devtab.h> 477c478bd9Sstevel@tonic-gate 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate /* 507c478bd9Sstevel@tonic-gate * Local definitions 517c478bd9Sstevel@tonic-gate * TRUE Boolean TRUE value 527c478bd9Sstevel@tonic-gate * FALSE Boolean FALSE value 537c478bd9Sstevel@tonic-gate */ 547c478bd9Sstevel@tonic-gate #ifndef TRUE 557c478bd9Sstevel@tonic-gate #define TRUE ('t') 567c478bd9Sstevel@tonic-gate #endif 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate #ifndef FALSE 597c478bd9Sstevel@tonic-gate #define FALSE 0 607c478bd9Sstevel@tonic-gate #endif 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate 637c478bd9Sstevel@tonic-gate /* 647c478bd9Sstevel@tonic-gate * Exit codes: 657c478bd9Sstevel@tonic-gate * EX_OK Exit code for all went well 667c478bd9Sstevel@tonic-gate * EX_ERROR Exit code for something failed 677c478bd9Sstevel@tonic-gate * EX_TBLERR Exit code for errors relating to device or lock tables 687c478bd9Sstevel@tonic-gate * EX_NOFREE Exit code for free failed 697c478bd9Sstevel@tonic-gate */ 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate #define EX_OK 0 727c478bd9Sstevel@tonic-gate #define EX_ERROR 1 737c478bd9Sstevel@tonic-gate #define EX_TBLERR 2 747c478bd9Sstevel@tonic-gate #define EX_NOFREE 3 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate 777c478bd9Sstevel@tonic-gate /* 787c478bd9Sstevel@tonic-gate * Messages 797c478bd9Sstevel@tonic-gate * M_USAGE Usage error 807c478bd9Sstevel@tonic-gate * M_INVKEY Invalid key specified 817c478bd9Sstevel@tonic-gate * M_NOTRSVD Attempting to free something not alloc'd 827c478bd9Sstevel@tonic-gate * M_NOTONKEY Attempting to free with wrong key 837c478bd9Sstevel@tonic-gate * M_DEVTAB Error opening the device table 847c478bd9Sstevel@tonic-gate * M_RSVTAB Error opening the device-reservation table 857c478bd9Sstevel@tonic-gate * M_ERROR Some internal error 867c478bd9Sstevel@tonic-gate */ 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate #define M_USAGE "usage: devfree key [device [...]]" 897c478bd9Sstevel@tonic-gate #define M_INVKEY "Invalid key: %s" 907c478bd9Sstevel@tonic-gate #define M_NOTRSVD "Device not reserved: %s" 917c478bd9Sstevel@tonic-gate #define M_NOTONKEY "Cannot unreserve device: %s" 927c478bd9Sstevel@tonic-gate #define M_DEVTAB "Cannot open the device table: %s" 937c478bd9Sstevel@tonic-gate #define M_RSVTAB "Cannot open the device-reservation table: %s" 947c478bd9Sstevel@tonic-gate #define M_ERROR "Internal error, errno=%d" 957c478bd9Sstevel@tonic-gate 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate /* 987c478bd9Sstevel@tonic-gate * Local functions and static data 997c478bd9Sstevel@tonic-gate * stdmsg(r,l,s,m) Macro for standard message generation 1007c478bd9Sstevel@tonic-gate * r MM_NRECOV or MM_RECOV (recoverability) 1017c478bd9Sstevel@tonic-gate * l Label 1027c478bd9Sstevel@tonic-gate * s Severity 1037c478bd9Sstevel@tonic-gate * m Message 1047c478bd9Sstevel@tonic-gate * lbl Buffer for the label-component of a message. 1057c478bd9Sstevel@tonic-gate * msg Buffer for the text-component of a message. 1067c478bd9Sstevel@tonic-gate */ 1077c478bd9Sstevel@tonic-gate 1087c478bd9Sstevel@tonic-gate #define stdmsg(r,l,s,m) (void) fmtmsg(MM_PRINT|MM_UTIL|r,l,s,m,MM_NULLACT,MM_NULLTAG) 1097c478bd9Sstevel@tonic-gate 1107c478bd9Sstevel@tonic-gate static char lbl[MM_MXLABELLN+1]; 1117c478bd9Sstevel@tonic-gate static char msg[MM_MXTXTLN+1]; 1127c478bd9Sstevel@tonic-gate 1137c478bd9Sstevel@tonic-gate /* 1147c478bd9Sstevel@tonic-gate * devfree key [device [device [...]]] 1157c478bd9Sstevel@tonic-gate * 1167c478bd9Sstevel@tonic-gate * This command frees devices that have been reserved using 1177c478bd9Sstevel@tonic-gate * the devreserv command (or the devreserv() function). 1187c478bd9Sstevel@tonic-gate * 1197c478bd9Sstevel@tonic-gate * Options: None 1207c478bd9Sstevel@tonic-gate * 1217c478bd9Sstevel@tonic-gate * Arguments: 1227c478bd9Sstevel@tonic-gate * key The key on which the device to free was allocated on. 1237c478bd9Sstevel@tonic-gate * If omitted, all keys are assumed. 1247c478bd9Sstevel@tonic-gate * device The device to free. If omitted, all devices allocated 1257c478bd9Sstevel@tonic-gate * using the key are freed. 1267c478bd9Sstevel@tonic-gate * 1277c478bd9Sstevel@tonic-gate * Command Values: 1287c478bd9Sstevel@tonic-gate * EX_OK 0 Device(s) successfully freed 1297c478bd9Sstevel@tonic-gate * EX_ERROR 1 A syntax error or other error occurred 1307c478bd9Sstevel@tonic-gate * EX_TBLERR 2 A problem with device management tables 1317c478bd9Sstevel@tonic-gate * EX_NOFREE 3 A requested device couldn't be freed 1327c478bd9Sstevel@tonic-gate */ 1337c478bd9Sstevel@tonic-gate 134*113f4232Sakaplan int 135*113f4232Sakaplan main(int argc, char *argv[]) 1367c478bd9Sstevel@tonic-gate { 1377c478bd9Sstevel@tonic-gate /* Automatics */ 1387c478bd9Sstevel@tonic-gate char **argp; /* Ptr to current argument */ 1397c478bd9Sstevel@tonic-gate struct reservdev **rsvd; /* Ptr to list of locks */ 1407c478bd9Sstevel@tonic-gate struct reservdev **plk; /* Running ptr to locks */ 1417c478bd9Sstevel@tonic-gate char *devtab; /* Ptr to device table name */ 1427c478bd9Sstevel@tonic-gate char *rsvtab; /* Ptr to dev-rsv-tbl name */ 1437c478bd9Sstevel@tonic-gate char *p; /* Temp char pointer */ 1447c478bd9Sstevel@tonic-gate int argcount; /* Number of args on cmd */ 1457c478bd9Sstevel@tonic-gate long lkey; /* Key for locking (long) */ 1467c478bd9Sstevel@tonic-gate int key; /* Key for locking */ 1477c478bd9Sstevel@tonic-gate int halt; /* TRUE if we need to stop */ 1487c478bd9Sstevel@tonic-gate int sev; /* Message severity */ 1497c478bd9Sstevel@tonic-gate int exitcode; /* Value of command */ 1507c478bd9Sstevel@tonic-gate int syntaxerr; /* Flag, TRUE if syntax error */ 1517c478bd9Sstevel@tonic-gate int exitcd; /* Value for exit() */ 1527c478bd9Sstevel@tonic-gate int c; /* Option character */ 1537c478bd9Sstevel@tonic-gate 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate /* 1567c478bd9Sstevel@tonic-gate * Initializations 1577c478bd9Sstevel@tonic-gate */ 1587c478bd9Sstevel@tonic-gate 1597c478bd9Sstevel@tonic-gate /* Build a message label */ 1607c478bd9Sstevel@tonic-gate if (p = strrchr(argv[0], '/')) p++; 1617c478bd9Sstevel@tonic-gate else p = argv[0]; 1627c478bd9Sstevel@tonic-gate (void) strlcat(strcpy(lbl, "UX:"), p, sizeof(lbl)); 1637c478bd9Sstevel@tonic-gate 1647c478bd9Sstevel@tonic-gate /* Make only the text component of messages appear (remove this in SVR4.1) */ 1657c478bd9Sstevel@tonic-gate (void) putenv("MSGVERB=text"); 1667c478bd9Sstevel@tonic-gate 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate /* 1697c478bd9Sstevel@tonic-gate * Parse the options from the command line 1707c478bd9Sstevel@tonic-gate */ 1717c478bd9Sstevel@tonic-gate 1727c478bd9Sstevel@tonic-gate opterr = 0; 1737c478bd9Sstevel@tonic-gate syntaxerr = FALSE; 1747c478bd9Sstevel@tonic-gate while ((c = getopt(argc, argv, "")) != EOF) switch(c) { 1757c478bd9Sstevel@tonic-gate default: 1767c478bd9Sstevel@tonic-gate syntaxerr = FALSE; 1777c478bd9Sstevel@tonic-gate break; 1787c478bd9Sstevel@tonic-gate } 1797c478bd9Sstevel@tonic-gate 1807c478bd9Sstevel@tonic-gate 1817c478bd9Sstevel@tonic-gate /* Argument initializations */ 1827c478bd9Sstevel@tonic-gate argp = &argv[optind]; 1837c478bd9Sstevel@tonic-gate if ((argcount = argc-optind) < 1) syntaxerr = TRUE; 1847c478bd9Sstevel@tonic-gate 1857c478bd9Sstevel@tonic-gate 1867c478bd9Sstevel@tonic-gate /* If there's (an obvious) syntax error, write a message and quit */ 1877c478bd9Sstevel@tonic-gate if (syntaxerr) { 1887c478bd9Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_ERROR, M_USAGE); 1897c478bd9Sstevel@tonic-gate exit(EX_ERROR); 1907c478bd9Sstevel@tonic-gate } 1917c478bd9Sstevel@tonic-gate 1927c478bd9Sstevel@tonic-gate 1937c478bd9Sstevel@tonic-gate /* 1947c478bd9Sstevel@tonic-gate * devfree key 1957c478bd9Sstevel@tonic-gate * 1967c478bd9Sstevel@tonic-gate * Free all devices that have been reserved using the key "key". 1977c478bd9Sstevel@tonic-gate */ 1987c478bd9Sstevel@tonic-gate 1997c478bd9Sstevel@tonic-gate if (argcount == 1) { 2007c478bd9Sstevel@tonic-gate 2017c478bd9Sstevel@tonic-gate /* Extract the key from the command */ 2027c478bd9Sstevel@tonic-gate lkey = strtol(*argp, &p, 10); 2037c478bd9Sstevel@tonic-gate if (*p || (lkey <= 0) || (lkey > MAXINT)) { 2047c478bd9Sstevel@tonic-gate (void) snprintf(msg, sizeof (msg), M_INVKEY, *argp); 2057c478bd9Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); 2067c478bd9Sstevel@tonic-gate exit(EX_ERROR); 2077c478bd9Sstevel@tonic-gate } 2087c478bd9Sstevel@tonic-gate key = (int) lkey; 2097c478bd9Sstevel@tonic-gate 2107c478bd9Sstevel@tonic-gate /* Get the list of devices currently reserved */ 2117c478bd9Sstevel@tonic-gate if (rsvd = reservdev()) { 2127c478bd9Sstevel@tonic-gate exitcd = EX_OK; 2137c478bd9Sstevel@tonic-gate for (plk = rsvd ; *plk ; plk++) { 2147c478bd9Sstevel@tonic-gate if ((*plk)->key == key) 2157c478bd9Sstevel@tonic-gate if (devfree(key, (*plk)->devname) != 0) 2167c478bd9Sstevel@tonic-gate exitcd = EX_NOFREE; 2177c478bd9Sstevel@tonic-gate } 2187c478bd9Sstevel@tonic-gate } else { 2197c478bd9Sstevel@tonic-gate if (((errno == ENOENT) || (errno == EACCES)) && (rsvtab = _rsvtabpath())) { 2207c478bd9Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_RSVTAB, rsvtab); 2217c478bd9Sstevel@tonic-gate exitcd = EX_TBLERR; 2227c478bd9Sstevel@tonic-gate sev = MM_ERROR; 2237c478bd9Sstevel@tonic-gate } else { 2247c478bd9Sstevel@tonic-gate (void) snprintf(msg, sizeof (msg), M_ERROR, errno); 2257c478bd9Sstevel@tonic-gate exitcd = EX_ERROR; 2267c478bd9Sstevel@tonic-gate sev = MM_HALT; 2277c478bd9Sstevel@tonic-gate } 2287c478bd9Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, sev, msg); 2297c478bd9Sstevel@tonic-gate } 2307c478bd9Sstevel@tonic-gate 2317c478bd9Sstevel@tonic-gate /* Done */ 2327c478bd9Sstevel@tonic-gate exit(exitcd); 2337c478bd9Sstevel@tonic-gate } 2347c478bd9Sstevel@tonic-gate 2357c478bd9Sstevel@tonic-gate 2367c478bd9Sstevel@tonic-gate /* 2377c478bd9Sstevel@tonic-gate * devfree key device [...] 2387c478bd9Sstevel@tonic-gate * 2397c478bd9Sstevel@tonic-gate * Free specific devices 2407c478bd9Sstevel@tonic-gate */ 2417c478bd9Sstevel@tonic-gate 2427c478bd9Sstevel@tonic-gate /* Open the device file (if there's one to be opened) */ 2437c478bd9Sstevel@tonic-gate if (!_opendevtab("r")) { 2447c478bd9Sstevel@tonic-gate if (devtab = _devtabpath()) { 2457c478bd9Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_DEVTAB, devtab); 2467c478bd9Sstevel@tonic-gate exitcd = EX_TBLERR; 2477c478bd9Sstevel@tonic-gate sev = MM_ERROR; 2487c478bd9Sstevel@tonic-gate } else { 2497c478bd9Sstevel@tonic-gate (void) snprintf(msg, sizeof (msg), M_ERROR, errno); 2507c478bd9Sstevel@tonic-gate exitcd = EX_ERROR; 2517c478bd9Sstevel@tonic-gate sev = MM_HALT; 2527c478bd9Sstevel@tonic-gate } 2537c478bd9Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, sev, msg); 2547c478bd9Sstevel@tonic-gate exit(exitcd); 2557c478bd9Sstevel@tonic-gate } 2567c478bd9Sstevel@tonic-gate 2577c478bd9Sstevel@tonic-gate /* Extract the key from the command */ 2587c478bd9Sstevel@tonic-gate lkey = strtol(*argp, &p, 10); 2597c478bd9Sstevel@tonic-gate if (*p || (lkey <= 0) || (lkey > MAXINT)) { 2607c478bd9Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_INVKEY, *argp); 2617c478bd9Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); 2627c478bd9Sstevel@tonic-gate exit(EX_ERROR); 2637c478bd9Sstevel@tonic-gate } 2647c478bd9Sstevel@tonic-gate key = (int) lkey; 2657c478bd9Sstevel@tonic-gate argp++; 2667c478bd9Sstevel@tonic-gate 2677c478bd9Sstevel@tonic-gate /* Loop through the list of devices to free */ 2687c478bd9Sstevel@tonic-gate exitcode = EX_OK; 2697c478bd9Sstevel@tonic-gate halt = FALSE; 2707c478bd9Sstevel@tonic-gate while (!halt && *argp) { 2717c478bd9Sstevel@tonic-gate 2727c478bd9Sstevel@tonic-gate /* Try to free the device */ 2737c478bd9Sstevel@tonic-gate if (devfree(key, *argp) != 0) { 2747c478bd9Sstevel@tonic-gate if ((errno == EACCES) || (errno == ENOENT)) { 2757c478bd9Sstevel@tonic-gate 2767c478bd9Sstevel@tonic-gate /* Can't get at reservation file */ 2777c478bd9Sstevel@tonic-gate if (rsvtab = _rsvtabpath()) { 2787c478bd9Sstevel@tonic-gate exitcode = EX_TBLERR; 2797c478bd9Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_RSVTAB, rsvtab); 2807c478bd9Sstevel@tonic-gate sev = MM_ERROR; 2817c478bd9Sstevel@tonic-gate } 2827c478bd9Sstevel@tonic-gate else { 2837c478bd9Sstevel@tonic-gate exitcode = EX_ERROR; 2847c478bd9Sstevel@tonic-gate (void) snprintf(msg, sizeof (msg), M_ERROR, errno); 2857c478bd9Sstevel@tonic-gate sev = MM_HALT; 2867c478bd9Sstevel@tonic-gate } 2877c478bd9Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, sev, msg); 2887c478bd9Sstevel@tonic-gate halt = TRUE; 2897c478bd9Sstevel@tonic-gate } 2907c478bd9Sstevel@tonic-gate else if (errno == EPERM) { 2917c478bd9Sstevel@tonic-gate 2927c478bd9Sstevel@tonic-gate /* Wrong key */ 2937c478bd9Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_NOTONKEY, *argp); 2947c478bd9Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); 2957c478bd9Sstevel@tonic-gate exitcode = EX_NOFREE; 2967c478bd9Sstevel@tonic-gate } 2977c478bd9Sstevel@tonic-gate else if (errno == EINVAL) { 2987c478bd9Sstevel@tonic-gate 2997c478bd9Sstevel@tonic-gate /* Device not reserved */ 3007c478bd9Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_NOTRSVD, *argp); 3017c478bd9Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); 3027c478bd9Sstevel@tonic-gate exitcode = EX_NOFREE; 3037c478bd9Sstevel@tonic-gate } 3047c478bd9Sstevel@tonic-gate 3057c478bd9Sstevel@tonic-gate else { 3067c478bd9Sstevel@tonic-gate 3077c478bd9Sstevel@tonic-gate /* Some other strange error occurred */ 3087c478bd9Sstevel@tonic-gate (void) snprintf(msg, sizeof (msg), M_ERROR, errno); 3097c478bd9Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_HALT, msg); 3107c478bd9Sstevel@tonic-gate exitcode = EX_ERROR; 3117c478bd9Sstevel@tonic-gate halt = TRUE; 3127c478bd9Sstevel@tonic-gate } 3137c478bd9Sstevel@tonic-gate } 3147c478bd9Sstevel@tonic-gate argp++; 3157c478bd9Sstevel@tonic-gate } 3167c478bd9Sstevel@tonic-gate 3177c478bd9Sstevel@tonic-gate 3187c478bd9Sstevel@tonic-gate /* Exit with the appropriate code */ 3197c478bd9Sstevel@tonic-gate return(exitcode); 3207c478bd9Sstevel@tonic-gate } 321