1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2003 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28*0Sstevel@tonic-gate /* All Rights Reserved */ 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate /* 34*0Sstevel@tonic-gate * devfree key [device [...]] 35*0Sstevel@tonic-gate */ 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #include <sys/types.h> 38*0Sstevel@tonic-gate #include <sys/param.h> 39*0Sstevel@tonic-gate #include <stdio.h> 40*0Sstevel@tonic-gate #include <errno.h> 41*0Sstevel@tonic-gate #include <stdlib.h> 42*0Sstevel@tonic-gate #include <string.h> 43*0Sstevel@tonic-gate #include <fmtmsg.h> 44*0Sstevel@tonic-gate #include <devmgmt.h> 45*0Sstevel@tonic-gate #include <values.h> 46*0Sstevel@tonic-gate #include <devtab.h> 47*0Sstevel@tonic-gate 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate /* 50*0Sstevel@tonic-gate * Local definitions 51*0Sstevel@tonic-gate * TRUE Boolean TRUE value 52*0Sstevel@tonic-gate * FALSE Boolean FALSE value 53*0Sstevel@tonic-gate */ 54*0Sstevel@tonic-gate #ifndef TRUE 55*0Sstevel@tonic-gate #define TRUE ('t') 56*0Sstevel@tonic-gate #endif 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate #ifndef FALSE 59*0Sstevel@tonic-gate #define FALSE 0 60*0Sstevel@tonic-gate #endif 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate /* 64*0Sstevel@tonic-gate * Exit codes: 65*0Sstevel@tonic-gate * EX_OK Exit code for all went well 66*0Sstevel@tonic-gate * EX_ERROR Exit code for something failed 67*0Sstevel@tonic-gate * EX_TBLERR Exit code for errors relating to device or lock tables 68*0Sstevel@tonic-gate * EX_NOFREE Exit code for free failed 69*0Sstevel@tonic-gate */ 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate #define EX_OK 0 72*0Sstevel@tonic-gate #define EX_ERROR 1 73*0Sstevel@tonic-gate #define EX_TBLERR 2 74*0Sstevel@tonic-gate #define EX_NOFREE 3 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate /* 78*0Sstevel@tonic-gate * Messages 79*0Sstevel@tonic-gate * M_USAGE Usage error 80*0Sstevel@tonic-gate * M_INVKEY Invalid key specified 81*0Sstevel@tonic-gate * M_NOTRSVD Attempting to free something not alloc'd 82*0Sstevel@tonic-gate * M_NOTONKEY Attempting to free with wrong key 83*0Sstevel@tonic-gate * M_DEVTAB Error opening the device table 84*0Sstevel@tonic-gate * M_RSVTAB Error opening the device-reservation table 85*0Sstevel@tonic-gate * M_ERROR Some internal error 86*0Sstevel@tonic-gate */ 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate #define M_USAGE "usage: devfree key [device [...]]" 89*0Sstevel@tonic-gate #define M_INVKEY "Invalid key: %s" 90*0Sstevel@tonic-gate #define M_NOTRSVD "Device not reserved: %s" 91*0Sstevel@tonic-gate #define M_NOTONKEY "Cannot unreserve device: %s" 92*0Sstevel@tonic-gate #define M_DEVTAB "Cannot open the device table: %s" 93*0Sstevel@tonic-gate #define M_RSVTAB "Cannot open the device-reservation table: %s" 94*0Sstevel@tonic-gate #define M_ERROR "Internal error, errno=%d" 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate 97*0Sstevel@tonic-gate /* 98*0Sstevel@tonic-gate * Local functions and static data 99*0Sstevel@tonic-gate * stdmsg(r,l,s,m) Macro for standard message generation 100*0Sstevel@tonic-gate * r MM_NRECOV or MM_RECOV (recoverability) 101*0Sstevel@tonic-gate * l Label 102*0Sstevel@tonic-gate * s Severity 103*0Sstevel@tonic-gate * m Message 104*0Sstevel@tonic-gate * lbl Buffer for the label-component of a message. 105*0Sstevel@tonic-gate * msg Buffer for the text-component of a message. 106*0Sstevel@tonic-gate */ 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate #define stdmsg(r,l,s,m) (void) fmtmsg(MM_PRINT|MM_UTIL|r,l,s,m,MM_NULLACT,MM_NULLTAG) 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate static char lbl[MM_MXLABELLN+1]; 111*0Sstevel@tonic-gate static char msg[MM_MXTXTLN+1]; 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate /* 114*0Sstevel@tonic-gate * devfree key [device [device [...]]] 115*0Sstevel@tonic-gate * 116*0Sstevel@tonic-gate * This command frees devices that have been reserved using 117*0Sstevel@tonic-gate * the devreserv command (or the devreserv() function). 118*0Sstevel@tonic-gate * 119*0Sstevel@tonic-gate * Options: None 120*0Sstevel@tonic-gate * 121*0Sstevel@tonic-gate * Arguments: 122*0Sstevel@tonic-gate * key The key on which the device to free was allocated on. 123*0Sstevel@tonic-gate * If omitted, all keys are assumed. 124*0Sstevel@tonic-gate * device The device to free. If omitted, all devices allocated 125*0Sstevel@tonic-gate * using the key are freed. 126*0Sstevel@tonic-gate * 127*0Sstevel@tonic-gate * Command Values: 128*0Sstevel@tonic-gate * EX_OK 0 Device(s) successfully freed 129*0Sstevel@tonic-gate * EX_ERROR 1 A syntax error or other error occurred 130*0Sstevel@tonic-gate * EX_TBLERR 2 A problem with device management tables 131*0Sstevel@tonic-gate * EX_NOFREE 3 A requested device couldn't be freed 132*0Sstevel@tonic-gate */ 133*0Sstevel@tonic-gate 134*0Sstevel@tonic-gate main(argc, argv) 135*0Sstevel@tonic-gate int argc; /* Arg count */ 136*0Sstevel@tonic-gate char *argv[]; /* Arg vector */ 137*0Sstevel@tonic-gate { 138*0Sstevel@tonic-gate /* Automatics */ 139*0Sstevel@tonic-gate char **argp; /* Ptr to current argument */ 140*0Sstevel@tonic-gate struct reservdev **rsvd; /* Ptr to list of locks */ 141*0Sstevel@tonic-gate struct reservdev **plk; /* Running ptr to locks */ 142*0Sstevel@tonic-gate char *devtab; /* Ptr to device table name */ 143*0Sstevel@tonic-gate char *rsvtab; /* Ptr to dev-rsv-tbl name */ 144*0Sstevel@tonic-gate char *p; /* Temp char pointer */ 145*0Sstevel@tonic-gate int argcount; /* Number of args on cmd */ 146*0Sstevel@tonic-gate long lkey; /* Key for locking (long) */ 147*0Sstevel@tonic-gate int key; /* Key for locking */ 148*0Sstevel@tonic-gate int halt; /* TRUE if we need to stop */ 149*0Sstevel@tonic-gate int sev; /* Message severity */ 150*0Sstevel@tonic-gate int exitcode; /* Value of command */ 151*0Sstevel@tonic-gate int syntaxerr; /* Flag, TRUE if syntax error */ 152*0Sstevel@tonic-gate int exitcd; /* Value for exit() */ 153*0Sstevel@tonic-gate int c; /* Option character */ 154*0Sstevel@tonic-gate 155*0Sstevel@tonic-gate 156*0Sstevel@tonic-gate /* 157*0Sstevel@tonic-gate * Initializations 158*0Sstevel@tonic-gate */ 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate /* Build a message label */ 161*0Sstevel@tonic-gate if (p = strrchr(argv[0], '/')) p++; 162*0Sstevel@tonic-gate else p = argv[0]; 163*0Sstevel@tonic-gate (void) strlcat(strcpy(lbl, "UX:"), p, sizeof(lbl)); 164*0Sstevel@tonic-gate 165*0Sstevel@tonic-gate /* Make only the text component of messages appear (remove this in SVR4.1) */ 166*0Sstevel@tonic-gate (void) putenv("MSGVERB=text"); 167*0Sstevel@tonic-gate 168*0Sstevel@tonic-gate 169*0Sstevel@tonic-gate /* 170*0Sstevel@tonic-gate * Parse the options from the command line 171*0Sstevel@tonic-gate */ 172*0Sstevel@tonic-gate 173*0Sstevel@tonic-gate opterr = 0; 174*0Sstevel@tonic-gate syntaxerr = FALSE; 175*0Sstevel@tonic-gate while ((c = getopt(argc, argv, "")) != EOF) switch(c) { 176*0Sstevel@tonic-gate default: 177*0Sstevel@tonic-gate syntaxerr = FALSE; 178*0Sstevel@tonic-gate break; 179*0Sstevel@tonic-gate } 180*0Sstevel@tonic-gate 181*0Sstevel@tonic-gate 182*0Sstevel@tonic-gate /* Argument initializations */ 183*0Sstevel@tonic-gate argp = &argv[optind]; 184*0Sstevel@tonic-gate if ((argcount = argc-optind) < 1) syntaxerr = TRUE; 185*0Sstevel@tonic-gate 186*0Sstevel@tonic-gate 187*0Sstevel@tonic-gate /* If there's (an obvious) syntax error, write a message and quit */ 188*0Sstevel@tonic-gate if (syntaxerr) { 189*0Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_ERROR, M_USAGE); 190*0Sstevel@tonic-gate exit(EX_ERROR); 191*0Sstevel@tonic-gate } 192*0Sstevel@tonic-gate 193*0Sstevel@tonic-gate 194*0Sstevel@tonic-gate /* 195*0Sstevel@tonic-gate * devfree key 196*0Sstevel@tonic-gate * 197*0Sstevel@tonic-gate * Free all devices that have been reserved using the key "key". 198*0Sstevel@tonic-gate */ 199*0Sstevel@tonic-gate 200*0Sstevel@tonic-gate if (argcount == 1) { 201*0Sstevel@tonic-gate 202*0Sstevel@tonic-gate /* Extract the key from the command */ 203*0Sstevel@tonic-gate lkey = strtol(*argp, &p, 10); 204*0Sstevel@tonic-gate if (*p || (lkey <= 0) || (lkey > MAXINT)) { 205*0Sstevel@tonic-gate (void) snprintf(msg, sizeof (msg), M_INVKEY, *argp); 206*0Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); 207*0Sstevel@tonic-gate exit(EX_ERROR); 208*0Sstevel@tonic-gate } 209*0Sstevel@tonic-gate key = (int) lkey; 210*0Sstevel@tonic-gate 211*0Sstevel@tonic-gate /* Get the list of devices currently reserved */ 212*0Sstevel@tonic-gate if (rsvd = reservdev()) { 213*0Sstevel@tonic-gate exitcd = EX_OK; 214*0Sstevel@tonic-gate for (plk = rsvd ; *plk ; plk++) { 215*0Sstevel@tonic-gate if ((*plk)->key == key) 216*0Sstevel@tonic-gate if (devfree(key, (*plk)->devname) != 0) 217*0Sstevel@tonic-gate exitcd = EX_NOFREE; 218*0Sstevel@tonic-gate } 219*0Sstevel@tonic-gate } else { 220*0Sstevel@tonic-gate if (((errno == ENOENT) || (errno == EACCES)) && (rsvtab = _rsvtabpath())) { 221*0Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_RSVTAB, rsvtab); 222*0Sstevel@tonic-gate exitcd = EX_TBLERR; 223*0Sstevel@tonic-gate sev = MM_ERROR; 224*0Sstevel@tonic-gate } else { 225*0Sstevel@tonic-gate (void) snprintf(msg, sizeof (msg), M_ERROR, errno); 226*0Sstevel@tonic-gate exitcd = EX_ERROR; 227*0Sstevel@tonic-gate sev = MM_HALT; 228*0Sstevel@tonic-gate } 229*0Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, sev, msg); 230*0Sstevel@tonic-gate } 231*0Sstevel@tonic-gate 232*0Sstevel@tonic-gate /* Done */ 233*0Sstevel@tonic-gate exit(exitcd); 234*0Sstevel@tonic-gate } 235*0Sstevel@tonic-gate 236*0Sstevel@tonic-gate 237*0Sstevel@tonic-gate /* 238*0Sstevel@tonic-gate * devfree key device [...] 239*0Sstevel@tonic-gate * 240*0Sstevel@tonic-gate * Free specific devices 241*0Sstevel@tonic-gate */ 242*0Sstevel@tonic-gate 243*0Sstevel@tonic-gate /* Open the device file (if there's one to be opened) */ 244*0Sstevel@tonic-gate if (!_opendevtab("r")) { 245*0Sstevel@tonic-gate if (devtab = _devtabpath()) { 246*0Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_DEVTAB, devtab); 247*0Sstevel@tonic-gate exitcd = EX_TBLERR; 248*0Sstevel@tonic-gate sev = MM_ERROR; 249*0Sstevel@tonic-gate } else { 250*0Sstevel@tonic-gate (void) snprintf(msg, sizeof (msg), M_ERROR, errno); 251*0Sstevel@tonic-gate exitcd = EX_ERROR; 252*0Sstevel@tonic-gate sev = MM_HALT; 253*0Sstevel@tonic-gate } 254*0Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, sev, msg); 255*0Sstevel@tonic-gate exit(exitcd); 256*0Sstevel@tonic-gate } 257*0Sstevel@tonic-gate 258*0Sstevel@tonic-gate /* Extract the key from the command */ 259*0Sstevel@tonic-gate lkey = strtol(*argp, &p, 10); 260*0Sstevel@tonic-gate if (*p || (lkey <= 0) || (lkey > MAXINT)) { 261*0Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_INVKEY, *argp); 262*0Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); 263*0Sstevel@tonic-gate exit(EX_ERROR); 264*0Sstevel@tonic-gate } 265*0Sstevel@tonic-gate key = (int) lkey; 266*0Sstevel@tonic-gate argp++; 267*0Sstevel@tonic-gate 268*0Sstevel@tonic-gate /* Loop through the list of devices to free */ 269*0Sstevel@tonic-gate exitcode = EX_OK; 270*0Sstevel@tonic-gate halt = FALSE; 271*0Sstevel@tonic-gate while (!halt && *argp) { 272*0Sstevel@tonic-gate 273*0Sstevel@tonic-gate /* Try to free the device */ 274*0Sstevel@tonic-gate if (devfree(key, *argp) != 0) { 275*0Sstevel@tonic-gate if ((errno == EACCES) || (errno == ENOENT)) { 276*0Sstevel@tonic-gate 277*0Sstevel@tonic-gate /* Can't get at reservation file */ 278*0Sstevel@tonic-gate if (rsvtab = _rsvtabpath()) { 279*0Sstevel@tonic-gate exitcode = EX_TBLERR; 280*0Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_RSVTAB, rsvtab); 281*0Sstevel@tonic-gate sev = MM_ERROR; 282*0Sstevel@tonic-gate } 283*0Sstevel@tonic-gate else { 284*0Sstevel@tonic-gate exitcode = EX_ERROR; 285*0Sstevel@tonic-gate (void) snprintf(msg, sizeof (msg), M_ERROR, errno); 286*0Sstevel@tonic-gate sev = MM_HALT; 287*0Sstevel@tonic-gate } 288*0Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, sev, msg); 289*0Sstevel@tonic-gate halt = TRUE; 290*0Sstevel@tonic-gate } 291*0Sstevel@tonic-gate else if (errno == EPERM) { 292*0Sstevel@tonic-gate 293*0Sstevel@tonic-gate /* Wrong key */ 294*0Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_NOTONKEY, *argp); 295*0Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); 296*0Sstevel@tonic-gate exitcode = EX_NOFREE; 297*0Sstevel@tonic-gate } 298*0Sstevel@tonic-gate else if (errno == EINVAL) { 299*0Sstevel@tonic-gate 300*0Sstevel@tonic-gate /* Device not reserved */ 301*0Sstevel@tonic-gate (void) snprintf(msg, sizeof(msg), M_NOTRSVD, *argp); 302*0Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_ERROR, msg); 303*0Sstevel@tonic-gate exitcode = EX_NOFREE; 304*0Sstevel@tonic-gate } 305*0Sstevel@tonic-gate 306*0Sstevel@tonic-gate else { 307*0Sstevel@tonic-gate 308*0Sstevel@tonic-gate /* Some other strange error occurred */ 309*0Sstevel@tonic-gate (void) snprintf(msg, sizeof (msg), M_ERROR, errno); 310*0Sstevel@tonic-gate stdmsg(MM_NRECOV, lbl, MM_HALT, msg); 311*0Sstevel@tonic-gate exitcode = EX_ERROR; 312*0Sstevel@tonic-gate halt = TRUE; 313*0Sstevel@tonic-gate } 314*0Sstevel@tonic-gate } 315*0Sstevel@tonic-gate argp++; 316*0Sstevel@tonic-gate } 317*0Sstevel@tonic-gate 318*0Sstevel@tonic-gate 319*0Sstevel@tonic-gate /* Exit with the appropriate code */ 320*0Sstevel@tonic-gate return(exitcode); 321*0Sstevel@tonic-gate } 322