xref: /illumos-gate/usr/src/cmd/fs.d/pcfs/fsck/fsck.c (revision 7c478bd9)
1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate  * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate  *
4*7c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate  * with the License.
8*7c478bd9Sstevel@tonic-gate  *
9*7c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate  * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate  *
14*7c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate  *
20*7c478bd9Sstevel@tonic-gate  * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate  */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate  * Copyright (c) 1999,2001 by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate  * All rights reserved.
25*7c478bd9Sstevel@tonic-gate  */
26*7c478bd9Sstevel@tonic-gate 
27*7c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*7c478bd9Sstevel@tonic-gate 
29*7c478bd9Sstevel@tonic-gate /*
30*7c478bd9Sstevel@tonic-gate  * fsck_pcfs -- main routines.
31*7c478bd9Sstevel@tonic-gate  */
32*7c478bd9Sstevel@tonic-gate 
33*7c478bd9Sstevel@tonic-gate #include <stdio.h>
34*7c478bd9Sstevel@tonic-gate #include <errno.h>
35*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
36*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
37*7c478bd9Sstevel@tonic-gate #include <sys/stat.h>
38*7c478bd9Sstevel@tonic-gate #include <fcntl.h>
39*7c478bd9Sstevel@tonic-gate #include <strings.h>
40*7c478bd9Sstevel@tonic-gate #include <libintl.h>
41*7c478bd9Sstevel@tonic-gate #include <locale.h>
42*7c478bd9Sstevel@tonic-gate #include <sys/fcntl.h>
43*7c478bd9Sstevel@tonic-gate #include <sys/dktp/fdisk.h>
44*7c478bd9Sstevel@tonic-gate #include "pcfs_common.h"
45*7c478bd9Sstevel@tonic-gate #include "fsck_pcfs.h"
46*7c478bd9Sstevel@tonic-gate #include "pcfs_bpb.h"
47*7c478bd9Sstevel@tonic-gate 
48*7c478bd9Sstevel@tonic-gate int32_t BytesPerCluster;
49*7c478bd9Sstevel@tonic-gate int32_t TotalClusters;
50*7c478bd9Sstevel@tonic-gate int32_t LastCluster;
51*7c478bd9Sstevel@tonic-gate off64_t	FirstClusterOffset;
52*7c478bd9Sstevel@tonic-gate off64_t	PartitionOffset;
53*7c478bd9Sstevel@tonic-gate bpb_t	TheBIOSParameterBlock;
54*7c478bd9Sstevel@tonic-gate 
55*7c478bd9Sstevel@tonic-gate /*
56*7c478bd9Sstevel@tonic-gate  * {Output,Input}Image are the file names where we should write the
57*7c478bd9Sstevel@tonic-gate  * checked fs image and from which we should read the initial fs.
58*7c478bd9Sstevel@tonic-gate  * The image capability is designed for debugging purposes.
59*7c478bd9Sstevel@tonic-gate  */
60*7c478bd9Sstevel@tonic-gate static char	*OutputImage = NULL;
61*7c478bd9Sstevel@tonic-gate static char	*InputImage = NULL;
62*7c478bd9Sstevel@tonic-gate static int	WritableOnly = 0; /* -o w, check writable fs' only */
63*7c478bd9Sstevel@tonic-gate static int	Mflag = 0;	  /* -m, sanity check if fs is mountable */
64*7c478bd9Sstevel@tonic-gate static int	Preen = 0;	  /* -o p, preen; non-interactive */
65*7c478bd9Sstevel@tonic-gate /*
66*7c478bd9Sstevel@tonic-gate  * By default be quick; skip verify reads.
67*7c478bd9Sstevel@tonic-gate  * If the user wants more exhaustive checking,
68*7c478bd9Sstevel@tonic-gate  * they should run with the -o v option.
69*7c478bd9Sstevel@tonic-gate  */
70*7c478bd9Sstevel@tonic-gate static int	Quick = 1;
71*7c478bd9Sstevel@tonic-gate 
72*7c478bd9Sstevel@tonic-gate int	ReadOnly = 0;
73*7c478bd9Sstevel@tonic-gate int	IsFAT32 = 0;
74*7c478bd9Sstevel@tonic-gate int	Verbose = 0;
75*7c478bd9Sstevel@tonic-gate 
76*7c478bd9Sstevel@tonic-gate int	AlwaysYes = 0;	/* -y or -Y, assume a yes answer to all questions */
77*7c478bd9Sstevel@tonic-gate int	AlwaysNo = 0;	/* -n or -N, assume a no answer to all questions */
78*7c478bd9Sstevel@tonic-gate 
79*7c478bd9Sstevel@tonic-gate extern	ClusterContents	TheRootDir;
80*7c478bd9Sstevel@tonic-gate 
81*7c478bd9Sstevel@tonic-gate /*
82*7c478bd9Sstevel@tonic-gate  * Function definitions
83*7c478bd9Sstevel@tonic-gate  */
84*7c478bd9Sstevel@tonic-gate static void
passOne(int fd)85*7c478bd9Sstevel@tonic-gate passOne(int fd)
86*7c478bd9Sstevel@tonic-gate {
87*7c478bd9Sstevel@tonic-gate 	if (!Quick)
88*7c478bd9Sstevel@tonic-gate 		findBadClusters(fd);
89*7c478bd9Sstevel@tonic-gate 	scanAndFixMetadata(fd);
90*7c478bd9Sstevel@tonic-gate }
91*7c478bd9Sstevel@tonic-gate 
92*7c478bd9Sstevel@tonic-gate static void
writeBackChanges(int fd)93*7c478bd9Sstevel@tonic-gate writeBackChanges(int fd)
94*7c478bd9Sstevel@tonic-gate {
95*7c478bd9Sstevel@tonic-gate 	writeFATMods(fd);
96*7c478bd9Sstevel@tonic-gate 	if (!IsFAT32)
97*7c478bd9Sstevel@tonic-gate 		writeRootDirMods(fd);
98*7c478bd9Sstevel@tonic-gate 	writeClusterMods(fd);
99*7c478bd9Sstevel@tonic-gate }
100*7c478bd9Sstevel@tonic-gate 
101*7c478bd9Sstevel@tonic-gate static void
tryOpen(int * fd,char * openMe,int oflag,int exitOnFailure)102*7c478bd9Sstevel@tonic-gate tryOpen(int *fd, char *openMe, int oflag, int exitOnFailure)
103*7c478bd9Sstevel@tonic-gate {
104*7c478bd9Sstevel@tonic-gate 	int saveError;
105*7c478bd9Sstevel@tonic-gate 
106*7c478bd9Sstevel@tonic-gate 	if ((*fd = open(openMe, oflag)) < 0) {
107*7c478bd9Sstevel@tonic-gate 		if (exitOnFailure == RETURN_ON_OPEN_FAILURE)
108*7c478bd9Sstevel@tonic-gate 			return;
109*7c478bd9Sstevel@tonic-gate 		saveError = errno;
110*7c478bd9Sstevel@tonic-gate 		mountSanityCheckFails();
111*7c478bd9Sstevel@tonic-gate 		(void) fprintf(stderr, "%s: ", openMe);
112*7c478bd9Sstevel@tonic-gate 		(void) fprintf(stderr, strerror(saveError));
113*7c478bd9Sstevel@tonic-gate 		(void) fprintf(stderr, "\n");
114*7c478bd9Sstevel@tonic-gate 		exit(1);
115*7c478bd9Sstevel@tonic-gate 	}
116*7c478bd9Sstevel@tonic-gate }
117*7c478bd9Sstevel@tonic-gate 
118*7c478bd9Sstevel@tonic-gate static void
doOpen(int * inFD,int * outFD,char * name,char * outName)119*7c478bd9Sstevel@tonic-gate doOpen(int *inFD, int *outFD, char *name, char *outName)
120*7c478bd9Sstevel@tonic-gate {
121*7c478bd9Sstevel@tonic-gate 	if (ReadOnly) {
122*7c478bd9Sstevel@tonic-gate 		tryOpen(inFD, name, O_RDONLY, EXIT_ON_OPEN_FAILURE);
123*7c478bd9Sstevel@tonic-gate 		*outFD = -1;
124*7c478bd9Sstevel@tonic-gate 	} else {
125*7c478bd9Sstevel@tonic-gate 		tryOpen(inFD, name, O_RDWR, RETURN_ON_OPEN_FAILURE);
126*7c478bd9Sstevel@tonic-gate 		if (*inFD < 0) {
127*7c478bd9Sstevel@tonic-gate 			if (errno != EACCES || WritableOnly) {
128*7c478bd9Sstevel@tonic-gate 				int saveError = errno;
129*7c478bd9Sstevel@tonic-gate 				mountSanityCheckFails();
130*7c478bd9Sstevel@tonic-gate 				(void) fprintf(stderr,
131*7c478bd9Sstevel@tonic-gate 				    gettext("%s: "), name);
132*7c478bd9Sstevel@tonic-gate 				(void) fprintf(stderr, strerror(saveError));
133*7c478bd9Sstevel@tonic-gate 				(void) fprintf(stderr, "\n");
134*7c478bd9Sstevel@tonic-gate 				exit(2);
135*7c478bd9Sstevel@tonic-gate 			} else {
136*7c478bd9Sstevel@tonic-gate 				tryOpen(inFD, name, O_RDONLY,
137*7c478bd9Sstevel@tonic-gate 				    EXIT_ON_OPEN_FAILURE);
138*7c478bd9Sstevel@tonic-gate 				AlwaysYes = 0;
139*7c478bd9Sstevel@tonic-gate 				AlwaysNo = 1;
140*7c478bd9Sstevel@tonic-gate 				ReadOnly = 1;
141*7c478bd9Sstevel@tonic-gate 				*outFD = -1;
142*7c478bd9Sstevel@tonic-gate 			}
143*7c478bd9Sstevel@tonic-gate 		} else {
144*7c478bd9Sstevel@tonic-gate 			*outFD = *inFD;
145*7c478bd9Sstevel@tonic-gate 		}
146*7c478bd9Sstevel@tonic-gate 	}
147*7c478bd9Sstevel@tonic-gate 
148*7c478bd9Sstevel@tonic-gate 	if (outName != NULL) {
149*7c478bd9Sstevel@tonic-gate 		tryOpen(outFD, outName, (O_RDWR | O_CREAT),
150*7c478bd9Sstevel@tonic-gate 		    EXIT_ON_OPEN_FAILURE);
151*7c478bd9Sstevel@tonic-gate 	}
152*7c478bd9Sstevel@tonic-gate 
153*7c478bd9Sstevel@tonic-gate 	(void) printf("** %s %s\n", name,
154*7c478bd9Sstevel@tonic-gate 	    ReadOnly ? gettext("(NO WRITE)") : "");
155*7c478bd9Sstevel@tonic-gate }
156*7c478bd9Sstevel@tonic-gate 
157*7c478bd9Sstevel@tonic-gate static void
openFS(char * special,int * inFD,int * outFD)158*7c478bd9Sstevel@tonic-gate openFS(char *special, int *inFD, int *outFD)
159*7c478bd9Sstevel@tonic-gate {
160*7c478bd9Sstevel@tonic-gate 	struct stat dinfo;
161*7c478bd9Sstevel@tonic-gate 	char *actualDisk = NULL;
162*7c478bd9Sstevel@tonic-gate 	char *suffix = NULL;
163*7c478bd9Sstevel@tonic-gate 
164*7c478bd9Sstevel@tonic-gate 	if (Verbose)
165*7c478bd9Sstevel@tonic-gate 		(void) fprintf(stderr, gettext("Opening file system.\n"));
166*7c478bd9Sstevel@tonic-gate 
167*7c478bd9Sstevel@tonic-gate 	if (InputImage == NULL) {
168*7c478bd9Sstevel@tonic-gate 		actualDisk = stat_actual_disk(special, &dinfo, &suffix);
169*7c478bd9Sstevel@tonic-gate 		/*
170*7c478bd9Sstevel@tonic-gate 		 *  Destination exists, now find more about it.
171*7c478bd9Sstevel@tonic-gate 		 */
172*7c478bd9Sstevel@tonic-gate 		if (!(S_ISCHR(dinfo.st_mode))) {
173*7c478bd9Sstevel@tonic-gate 			mountSanityCheckFails();
174*7c478bd9Sstevel@tonic-gate 			(void) fprintf(stderr,
175*7c478bd9Sstevel@tonic-gate 			    gettext("\n%s: device name must be a "
176*7c478bd9Sstevel@tonic-gate 			    "character special device.\n"), actualDisk);
177*7c478bd9Sstevel@tonic-gate 			exit(2);
178*7c478bd9Sstevel@tonic-gate 		}
179*7c478bd9Sstevel@tonic-gate 	} else {
180*7c478bd9Sstevel@tonic-gate 		actualDisk = InputImage;
181*7c478bd9Sstevel@tonic-gate 	}
182*7c478bd9Sstevel@tonic-gate 	doOpen(inFD, outFD, actualDisk, OutputImage);
183*7c478bd9Sstevel@tonic-gate 	if (suffix) {
184*7c478bd9Sstevel@tonic-gate 		if ((PartitionOffset =
185*7c478bd9Sstevel@tonic-gate 		    findPartitionOffset(*inFD, suffix)) < 0) {
186*7c478bd9Sstevel@tonic-gate 			mountSanityCheckFails();
187*7c478bd9Sstevel@tonic-gate 			(void) fprintf(stderr,
188*7c478bd9Sstevel@tonic-gate 			    gettext("Unable to find logical drive %s\n"),
189*7c478bd9Sstevel@tonic-gate 			    suffix);
190*7c478bd9Sstevel@tonic-gate 			exit(2);
191*7c478bd9Sstevel@tonic-gate 		} else if (Verbose) {
192*7c478bd9Sstevel@tonic-gate 			(void) fprintf(stderr,
193*7c478bd9Sstevel@tonic-gate 			    gettext("Partition starts at offset %lld\n"),
194*7c478bd9Sstevel@tonic-gate 			    PartitionOffset);
195*7c478bd9Sstevel@tonic-gate 		}
196*7c478bd9Sstevel@tonic-gate 	} else {
197*7c478bd9Sstevel@tonic-gate 		PartitionOffset = 0;
198*7c478bd9Sstevel@tonic-gate 	}
199*7c478bd9Sstevel@tonic-gate }
200*7c478bd9Sstevel@tonic-gate 
201*7c478bd9Sstevel@tonic-gate void
usage()202*7c478bd9Sstevel@tonic-gate usage()
203*7c478bd9Sstevel@tonic-gate {
204*7c478bd9Sstevel@tonic-gate 	(void) fprintf(stderr,
205*7c478bd9Sstevel@tonic-gate 		gettext("pcfs Usage: fsck -F pcfs [-o v|p|w] special-file\n"));
206*7c478bd9Sstevel@tonic-gate 	exit(1);
207*7c478bd9Sstevel@tonic-gate }
208*7c478bd9Sstevel@tonic-gate 
209*7c478bd9Sstevel@tonic-gate static
210*7c478bd9Sstevel@tonic-gate char *LegalOpts[] = {
211*7c478bd9Sstevel@tonic-gate #define	VFLAG 0
212*7c478bd9Sstevel@tonic-gate 	"v",
213*7c478bd9Sstevel@tonic-gate #define	PFLAG 1
214*7c478bd9Sstevel@tonic-gate 	"p",
215*7c478bd9Sstevel@tonic-gate #define	WFLAG 2
216*7c478bd9Sstevel@tonic-gate 	"w",
217*7c478bd9Sstevel@tonic-gate #define	DFLAG 3
218*7c478bd9Sstevel@tonic-gate 	"d",
219*7c478bd9Sstevel@tonic-gate #define	IFLAG 4
220*7c478bd9Sstevel@tonic-gate 	"i",
221*7c478bd9Sstevel@tonic-gate #define	OFLAG 5
222*7c478bd9Sstevel@tonic-gate 	"o",
223*7c478bd9Sstevel@tonic-gate 	NULL
224*7c478bd9Sstevel@tonic-gate };
225*7c478bd9Sstevel@tonic-gate 
226*7c478bd9Sstevel@tonic-gate static void
parseSubOptions(char * optsstr)227*7c478bd9Sstevel@tonic-gate parseSubOptions(char *optsstr)
228*7c478bd9Sstevel@tonic-gate {
229*7c478bd9Sstevel@tonic-gate 	char *value;
230*7c478bd9Sstevel@tonic-gate 	int c;
231*7c478bd9Sstevel@tonic-gate 
232*7c478bd9Sstevel@tonic-gate 	while (*optsstr != '\0') {
233*7c478bd9Sstevel@tonic-gate 		switch (c = getsubopt(&optsstr, LegalOpts, &value)) {
234*7c478bd9Sstevel@tonic-gate 		case VFLAG:
235*7c478bd9Sstevel@tonic-gate 			Quick = 0;
236*7c478bd9Sstevel@tonic-gate 			break;
237*7c478bd9Sstevel@tonic-gate 		case PFLAG:
238*7c478bd9Sstevel@tonic-gate 			Preen++;
239*7c478bd9Sstevel@tonic-gate 			break;
240*7c478bd9Sstevel@tonic-gate 		case WFLAG:
241*7c478bd9Sstevel@tonic-gate 			WritableOnly++;
242*7c478bd9Sstevel@tonic-gate 			break;
243*7c478bd9Sstevel@tonic-gate 		case DFLAG:
244*7c478bd9Sstevel@tonic-gate 			Verbose++;
245*7c478bd9Sstevel@tonic-gate 			break;
246*7c478bd9Sstevel@tonic-gate 		case IFLAG:
247*7c478bd9Sstevel@tonic-gate 			if (value == NULL) {
248*7c478bd9Sstevel@tonic-gate 				missing_arg(LegalOpts[c]);
249*7c478bd9Sstevel@tonic-gate 			} else {
250*7c478bd9Sstevel@tonic-gate 				InputImage = value;
251*7c478bd9Sstevel@tonic-gate 			}
252*7c478bd9Sstevel@tonic-gate 			break;
253*7c478bd9Sstevel@tonic-gate 		case OFLAG:
254*7c478bd9Sstevel@tonic-gate 			if (value == NULL) {
255*7c478bd9Sstevel@tonic-gate 				missing_arg(LegalOpts[c]);
256*7c478bd9Sstevel@tonic-gate 			} else {
257*7c478bd9Sstevel@tonic-gate 				OutputImage = value;
258*7c478bd9Sstevel@tonic-gate 			}
259*7c478bd9Sstevel@tonic-gate 			break;
260*7c478bd9Sstevel@tonic-gate 		default:
261*7c478bd9Sstevel@tonic-gate 			bad_arg(value);
262*7c478bd9Sstevel@tonic-gate 			break;
263*7c478bd9Sstevel@tonic-gate 		}
264*7c478bd9Sstevel@tonic-gate 	}
265*7c478bd9Sstevel@tonic-gate }
266*7c478bd9Sstevel@tonic-gate 
267*7c478bd9Sstevel@tonic-gate static void
sanityCheckOpts(void)268*7c478bd9Sstevel@tonic-gate sanityCheckOpts(void)
269*7c478bd9Sstevel@tonic-gate {
270*7c478bd9Sstevel@tonic-gate 	if (WritableOnly && ReadOnly) {
271*7c478bd9Sstevel@tonic-gate 		(void) fprintf(stderr,
272*7c478bd9Sstevel@tonic-gate 		    gettext("-w option may not be used with the -n "
273*7c478bd9Sstevel@tonic-gate 		    "or -m options\n"));
274*7c478bd9Sstevel@tonic-gate 		exit(4);
275*7c478bd9Sstevel@tonic-gate 	}
276*7c478bd9Sstevel@tonic-gate }
277*7c478bd9Sstevel@tonic-gate 
278*7c478bd9Sstevel@tonic-gate static void
confirmMountable(char * special,int fd)279*7c478bd9Sstevel@tonic-gate confirmMountable(char *special, int fd)
280*7c478bd9Sstevel@tonic-gate {
281*7c478bd9Sstevel@tonic-gate 	char *printName;
282*7c478bd9Sstevel@tonic-gate 	int okayToMount = 1;
283*7c478bd9Sstevel@tonic-gate 
284*7c478bd9Sstevel@tonic-gate 	printName = InputImage ? InputImage : special;
285*7c478bd9Sstevel@tonic-gate 
286*7c478bd9Sstevel@tonic-gate 	if (!IsFAT32) {
287*7c478bd9Sstevel@tonic-gate 		/* make sure we can at least read the root directory */
288*7c478bd9Sstevel@tonic-gate 		getRootDirectory(fd);
289*7c478bd9Sstevel@tonic-gate 		if (TheRootDir.bytes == NULL)
290*7c478bd9Sstevel@tonic-gate 			okayToMount = 0;
291*7c478bd9Sstevel@tonic-gate 	} else {
292*7c478bd9Sstevel@tonic-gate 		/* check the bit designed into FAT32 for this purpose */
293*7c478bd9Sstevel@tonic-gate 		okayToMount = checkFAT32CleanBit(fd);
294*7c478bd9Sstevel@tonic-gate 	}
295*7c478bd9Sstevel@tonic-gate 	if (okayToMount) {
296*7c478bd9Sstevel@tonic-gate 		(void) fprintf(stderr,
297*7c478bd9Sstevel@tonic-gate 		    gettext("pcfs fsck: sanity check: %s okay\n"), printName);
298*7c478bd9Sstevel@tonic-gate 		exit(0);
299*7c478bd9Sstevel@tonic-gate 	} else {
300*7c478bd9Sstevel@tonic-gate 		(void) fprintf(stderr,
301*7c478bd9Sstevel@tonic-gate 		    gettext("pcfs fsck: sanity check: %s needs checking\n"),
302*7c478bd9Sstevel@tonic-gate 		    printName);
303*7c478bd9Sstevel@tonic-gate 		exit(32);
304*7c478bd9Sstevel@tonic-gate 	}
305*7c478bd9Sstevel@tonic-gate }
306*7c478bd9Sstevel@tonic-gate 
307*7c478bd9Sstevel@tonic-gate void
mountSanityCheckFails(void)308*7c478bd9Sstevel@tonic-gate mountSanityCheckFails(void)
309*7c478bd9Sstevel@tonic-gate {
310*7c478bd9Sstevel@tonic-gate 	if (Mflag) {
311*7c478bd9Sstevel@tonic-gate 		(void) fprintf(stderr,
312*7c478bd9Sstevel@tonic-gate 		    gettext("pcfs fsck: sanity check failed: "));
313*7c478bd9Sstevel@tonic-gate 	}
314*7c478bd9Sstevel@tonic-gate }
315*7c478bd9Sstevel@tonic-gate 
316*7c478bd9Sstevel@tonic-gate /*
317*7c478bd9Sstevel@tonic-gate  * preenBail
318*7c478bd9Sstevel@tonic-gate  *	Routine that other routines can call if they would go into a
319*7c478bd9Sstevel@tonic-gate  *	state where they need user input.  They can send an optional
320*7c478bd9Sstevel@tonic-gate  *	message string to be printed before the exit.  Caller should
321*7c478bd9Sstevel@tonic-gate  *	send a NULL string if they don't have an exit message.
322*7c478bd9Sstevel@tonic-gate  */
323*7c478bd9Sstevel@tonic-gate void
preenBail(char * outString)324*7c478bd9Sstevel@tonic-gate preenBail(char *outString)
325*7c478bd9Sstevel@tonic-gate {
326*7c478bd9Sstevel@tonic-gate 	/*
327*7c478bd9Sstevel@tonic-gate 	 *  If we are running in the 'preen' mode, we got here because
328*7c478bd9Sstevel@tonic-gate 	 *  we reached a situation that would require user intervention.
329*7c478bd9Sstevel@tonic-gate 	 *  We have no choice but to bail at this point.
330*7c478bd9Sstevel@tonic-gate 	 */
331*7c478bd9Sstevel@tonic-gate 	if (Preen) {
332*7c478bd9Sstevel@tonic-gate 		if (outString)
333*7c478bd9Sstevel@tonic-gate 			(void) printf("%s", outString);
334*7c478bd9Sstevel@tonic-gate 		(void) printf(gettext("FILE SYSTEM FIX REQUIRES USER "
335*7c478bd9Sstevel@tonic-gate 		    "INTERVENTION; RUN fsck MANUALLY.\n"));
336*7c478bd9Sstevel@tonic-gate 		exit(36);
337*7c478bd9Sstevel@tonic-gate 	}
338*7c478bd9Sstevel@tonic-gate }
339*7c478bd9Sstevel@tonic-gate 
340*7c478bd9Sstevel@tonic-gate int
main(int argc,char * argv[])341*7c478bd9Sstevel@tonic-gate main(int argc, char *argv[])
342*7c478bd9Sstevel@tonic-gate {
343*7c478bd9Sstevel@tonic-gate 	char *string;
344*7c478bd9Sstevel@tonic-gate 	int  ifd, ofd;
345*7c478bd9Sstevel@tonic-gate 	int  c;
346*7c478bd9Sstevel@tonic-gate 
347*7c478bd9Sstevel@tonic-gate 	(void) setlocale(LC_ALL, "");
348*7c478bd9Sstevel@tonic-gate 
349*7c478bd9Sstevel@tonic-gate #if !defined(TEXT_DOMAIN)
350*7c478bd9Sstevel@tonic-gate #define	TEXT_DOMAIN "SYS_TEST"
351*7c478bd9Sstevel@tonic-gate #endif
352*7c478bd9Sstevel@tonic-gate 	(void) textdomain(TEXT_DOMAIN);
353*7c478bd9Sstevel@tonic-gate 
354*7c478bd9Sstevel@tonic-gate 	if (argc < 2)
355*7c478bd9Sstevel@tonic-gate 		usage();
356*7c478bd9Sstevel@tonic-gate 
357*7c478bd9Sstevel@tonic-gate 	while ((c = getopt(argc, argv, "F:VYNynmo:")) != EOF) {
358*7c478bd9Sstevel@tonic-gate 		switch (c) {
359*7c478bd9Sstevel@tonic-gate 		case 'F':
360*7c478bd9Sstevel@tonic-gate 			string = optarg;
361*7c478bd9Sstevel@tonic-gate 			if (strcmp(string, "pcfs") != 0)
362*7c478bd9Sstevel@tonic-gate 				usage();
363*7c478bd9Sstevel@tonic-gate 			break;
364*7c478bd9Sstevel@tonic-gate 		case 'V': {
365*7c478bd9Sstevel@tonic-gate 				char	*opt_text;
366*7c478bd9Sstevel@tonic-gate 				int	opt_count;
367*7c478bd9Sstevel@tonic-gate 
368*7c478bd9Sstevel@tonic-gate 				(void) printf(gettext("fsck -F pcfs "));
369*7c478bd9Sstevel@tonic-gate 				for (opt_count = 1; opt_count < argc;
370*7c478bd9Sstevel@tonic-gate 				    opt_count++) {
371*7c478bd9Sstevel@tonic-gate 					opt_text = argv[opt_count];
372*7c478bd9Sstevel@tonic-gate 					if (opt_text)
373*7c478bd9Sstevel@tonic-gate 						(void) printf(" %s ",
374*7c478bd9Sstevel@tonic-gate 						    opt_text);
375*7c478bd9Sstevel@tonic-gate 				}
376*7c478bd9Sstevel@tonic-gate 				(void) printf("\n");
377*7c478bd9Sstevel@tonic-gate 				exit(0);
378*7c478bd9Sstevel@tonic-gate 			}
379*7c478bd9Sstevel@tonic-gate 			break;
380*7c478bd9Sstevel@tonic-gate 		case 'N':
381*7c478bd9Sstevel@tonic-gate 		case 'n':
382*7c478bd9Sstevel@tonic-gate 			AlwaysYes = 0;
383*7c478bd9Sstevel@tonic-gate 			AlwaysNo = 1;
384*7c478bd9Sstevel@tonic-gate 			ReadOnly = 1;
385*7c478bd9Sstevel@tonic-gate 			break;
386*7c478bd9Sstevel@tonic-gate 		case 'Y':
387*7c478bd9Sstevel@tonic-gate 		case 'y':
388*7c478bd9Sstevel@tonic-gate 			AlwaysYes = 1;
389*7c478bd9Sstevel@tonic-gate 			AlwaysNo = 0;
390*7c478bd9Sstevel@tonic-gate 			break;
391*7c478bd9Sstevel@tonic-gate 		case 'm':
392*7c478bd9Sstevel@tonic-gate 			Mflag++;
393*7c478bd9Sstevel@tonic-gate 			ReadOnly = 1;
394*7c478bd9Sstevel@tonic-gate 			break;
395*7c478bd9Sstevel@tonic-gate 		case 'o':
396*7c478bd9Sstevel@tonic-gate 			string = optarg;
397*7c478bd9Sstevel@tonic-gate 			parseSubOptions(string);
398*7c478bd9Sstevel@tonic-gate 			break;
399*7c478bd9Sstevel@tonic-gate 		}
400*7c478bd9Sstevel@tonic-gate 	}
401*7c478bd9Sstevel@tonic-gate 
402*7c478bd9Sstevel@tonic-gate 	sanityCheckOpts();
403*7c478bd9Sstevel@tonic-gate 	if (InputImage == NULL && (optind < 0 || optind >= argc))
404*7c478bd9Sstevel@tonic-gate 		usage();
405*7c478bd9Sstevel@tonic-gate 
406*7c478bd9Sstevel@tonic-gate 	openFS(argv[optind], &ifd, &ofd);
407*7c478bd9Sstevel@tonic-gate 	readBPB(ifd);
408*7c478bd9Sstevel@tonic-gate 
409*7c478bd9Sstevel@tonic-gate 	/*
410*7c478bd9Sstevel@tonic-gate 	 * -m mountable fs check.  This call will not return.
411*7c478bd9Sstevel@tonic-gate 	 */
412*7c478bd9Sstevel@tonic-gate 	if (Mflag)
413*7c478bd9Sstevel@tonic-gate 		confirmMountable(argv[optind], ifd);
414*7c478bd9Sstevel@tonic-gate 
415*7c478bd9Sstevel@tonic-gate 	/*
416*7c478bd9Sstevel@tonic-gate 	 *  Pass 1: Find any bad clusters and adjust the FAT and directory
417*7c478bd9Sstevel@tonic-gate 	 *	entries accordingly
418*7c478bd9Sstevel@tonic-gate 	 */
419*7c478bd9Sstevel@tonic-gate 	passOne(ifd);
420*7c478bd9Sstevel@tonic-gate 
421*7c478bd9Sstevel@tonic-gate 	/*
422*7c478bd9Sstevel@tonic-gate 	 *  XXX - future passes?
423*7c478bd9Sstevel@tonic-gate 	 *	Ideas:
424*7c478bd9Sstevel@tonic-gate 	 *	    Data relocation for bad clusters with partial read success?
425*7c478bd9Sstevel@tonic-gate 	 *	    Syncing backup FAT copies with main copy?
426*7c478bd9Sstevel@tonic-gate 	 *	    Syncing backup root sector for FAT32?
427*7c478bd9Sstevel@tonic-gate 	 */
428*7c478bd9Sstevel@tonic-gate 
429*7c478bd9Sstevel@tonic-gate 	/*
430*7c478bd9Sstevel@tonic-gate 	 *  No problems if we made it this far.
431*7c478bd9Sstevel@tonic-gate 	 */
432*7c478bd9Sstevel@tonic-gate 	printSummary(stdout);
433*7c478bd9Sstevel@tonic-gate 	writeBackChanges(ofd);
434*7c478bd9Sstevel@tonic-gate 	return (0);
435*7c478bd9Sstevel@tonic-gate }
436