Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	sbin/fsck_ext2fs/pass5.c	Lines:	0	108	0.0 %
Date:	2017-11-07	Branches:	0	79	0.0 %


/*	$OpenBSD: pass5.c,v 1.18 2015/01/16 06:39:57 deraadt Exp $	*/
/*	$NetBSD: pass5.c,v 1.7 2000/01/28 16:01:46 bouyer Exp $ */

/*
 * Copyright (c) 1997 Manuel Bouyer.
 * Copyright (c) 1980, 1986, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/param.h>	/* setbit isset */
#include <sys/time.h>
#include <ufs/ufs/dinode.h>
#include <ufs/ext2fs/ext2fs_dinode.h>
#include <ufs/ext2fs/ext2fs.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>

#include "fsutil.h"
#include "fsck.h"
#include "extern.h"


void print_bmap(u_char *,u_int32_t);

void
pass5(void)
{
	int c;
	struct m_ext2fs *fs = &sblock;
	daddr32_t dbase, dmax;
	daddr32_t d;
	long i, j;
	struct inodesc idesc[3];
	struct bufarea *ino_bitmap = NULL, *blk_bitmap = NULL;
	char *ibmap, *bbmap;
	u_int32_t cs_ndir, cs_nbfree, cs_nifree;
	char msg[255];

	cs_ndir = 0;
	cs_nbfree = 0;
	cs_nifree = 0;

	ibmap = malloc(fs->e2fs_bsize);
	bbmap = malloc(fs->e2fs_bsize);
	if (ibmap == NULL || bbmap == NULL) {
		errexit("out of memory\n");
	}

	for (c = 0; c < fs->e2fs_ncg; c++) {
		u_int32_t nbfree = 0;
		u_int32_t nifree = 0;
		u_int32_t ndirs = 0;

		nbfree = 0;
		nifree = fs->e2fs.e2fs_ipg;
		ndirs = 0;

		if (blk_bitmap == NULL) {
			blk_bitmap = getdatablk(letoh32(fs->e2fs_gd[c].ext2bgd_b_bitmap),
				fs->e2fs_bsize);
		} else {
			getblk(blk_bitmap, letoh32(fs->e2fs_gd[c].ext2bgd_b_bitmap),
				fs->e2fs_bsize);
		}
		if (ino_bitmap == NULL) {
			ino_bitmap = getdatablk(letoh32(fs->e2fs_gd[c].ext2bgd_i_bitmap),
				fs->e2fs_bsize);
		} else {
			getblk(ino_bitmap, letoh32(fs->e2fs_gd[c].ext2bgd_i_bitmap),
				fs->e2fs_bsize);
		}
		memset(bbmap, 0, fs->e2fs_bsize);
		memset(ibmap, 0, fs->e2fs_bsize);
		memset(&idesc[0], 0, sizeof idesc);
		for (i = 0; i < 3; i++) {
			idesc[i].id_type = ADDR;
		}

		j = fs->e2fs.e2fs_ipg * c + 1;

		for (i = 0; i < fs->e2fs.e2fs_ipg; j++, i++) {
			if ((j < EXT2_FIRSTINO) && (j != EXT2_ROOTINO)) {
				setbit(ibmap, i);
				nifree--;
				continue;
			}
			if (j > fs->e2fs.e2fs_icount) {
				setbit(ibmap, i);
				continue;
			}
			switch (statemap[j]) {

			case USTATE:
				break;

			case DSTATE:
			case DCLEAR:
			case DFOUND:
				ndirs++;
				/* fall through */

			case FSTATE:
			case FCLEAR:
				nifree--;
				setbit(ibmap, i);
				break;

			default:
				errexit("BAD STATE %d FOR INODE I=%llu\n",
				    statemap[j], (unsigned long long)j);
			}
		}

		/* fill in unused par of the inode map */
		for (i = fs->e2fs.e2fs_ipg / NBBY; i < fs->e2fs_bsize; i++)
			ibmap[i] = 0xff;

		dbase = c * sblock.e2fs.e2fs_bpg +
		    sblock.e2fs.e2fs_first_dblock;
		dmax = (c+1) * sblock.e2fs.e2fs_bpg +
		    sblock.e2fs.e2fs_first_dblock;

		for (i = 0, d = dbase;
		     d < dmax;
		     d ++, i ++) {
			if (testbmap(d) || d >= sblock.e2fs.e2fs_bcount) {
				setbit(bbmap, i);
				continue;
			} else {
				nbfree++;
			}

		}
		cs_nbfree += nbfree;
		cs_nifree += nifree;
		cs_ndir += ndirs;

		if (debug && (letoh16(fs->e2fs_gd[c].ext2bgd_nbfree) != nbfree ||
		    letoh16(fs->e2fs_gd[c].ext2bgd_nifree) != nifree ||
		    letoh16(fs->e2fs_gd[c].ext2bgd_ndirs) != ndirs)) {
			printf("summary info for cg %d is %d, %d, %d,"
					"should be %d, %d, %d\n", c,
					letoh16(fs->e2fs_gd[c].ext2bgd_nbfree),
					letoh16(fs->e2fs_gd[c].ext2bgd_nifree),
					letoh16(fs->e2fs_gd[c].ext2bgd_ndirs),
					nbfree,
					nifree,
					ndirs);
		}
		(void)snprintf(msg, sizeof(msg),
		    "SUMMARY INFORMATIONS WRONG FOR CG #%d", c);
		if ((letoh16(fs->e2fs_gd[c].ext2bgd_nbfree) != nbfree ||
			letoh16(fs->e2fs_gd[c].ext2bgd_nifree) != nifree ||
			letoh16(fs->e2fs_gd[c].ext2bgd_ndirs) != ndirs) &&
			dofix(&idesc[0], msg)) {
			fs->e2fs_gd[c].ext2bgd_nbfree = htole16(nbfree);
			fs->e2fs_gd[c].ext2bgd_nifree = htole16(nifree);
			fs->e2fs_gd[c].ext2bgd_ndirs = htole16(ndirs);
			sbdirty();
		}

		if (debug && memcmp(blk_bitmap->b_un.b_buf, bbmap, fs->e2fs_bsize)) {
			printf("blk_bitmap:\n");
			print_bmap(blk_bitmap->b_un.b_buf, fs->e2fs_bsize);
			printf("bbmap:\n");
			print_bmap(bbmap, fs->e2fs_bsize);
		}

		(void)snprintf(msg, sizeof(msg),
		    "BLK(S) MISSING IN BIT MAPS #%d", c);
		if (memcmp(blk_bitmap->b_un.b_buf, bbmap, fs->e2fs_bsize) &&
			dofix(&idesc[1], msg)) {
			memcpy(blk_bitmap->b_un.b_buf, bbmap, fs->e2fs_bsize);
			dirty(blk_bitmap);
		}
		if (debug && memcmp(ino_bitmap->b_un.b_buf, ibmap, fs->e2fs_bsize)) {
			printf("ino_bitmap:\n");
			print_bmap(ino_bitmap->b_un.b_buf, fs->e2fs_bsize);
			printf("ibmap:\n");
			print_bmap(ibmap, fs->e2fs_bsize);
		}
		(void)snprintf(msg, sizeof(msg),
		    "INODE(S) MISSING IN BIT MAPS #%d", c);
		if (memcmp(ino_bitmap->b_un.b_buf, ibmap, fs->e2fs_bsize) &&
			dofix(&idesc[1], msg)) {
			memcpy(ino_bitmap->b_un.b_buf, ibmap, fs->e2fs_bsize);
			dirty(ino_bitmap);
		}

	}
	if (debug && (fs->e2fs.e2fs_fbcount != cs_nbfree ||
		fs->e2fs.e2fs_ficount != cs_nifree)) {
		printf("summary info bad in superblock: %d, %d should be %d, %d\n",
		fs->e2fs.e2fs_fbcount, fs->e2fs.e2fs_ficount,
		cs_nbfree, cs_nifree);
	}
	if ((fs->e2fs.e2fs_fbcount != cs_nbfree ||
		fs->e2fs.e2fs_ficount != cs_nifree)
	    && dofix(&idesc[0], "SUPERBLK SUMMARY INFORMATION BAD")) {
		fs->e2fs.e2fs_fbcount = cs_nbfree;
		fs->e2fs.e2fs_ficount = cs_nifree;
		sbdirty();
	}
	free(ibmap);
	free(bbmap);
}

void
print_bmap(u_char *map, u_int32_t size)
{
	int i, j;

	i = 0;
	while (i < size) {
		printf("%u: ",i);
		for (j = 0; j < 16; j++, i++)
			printf("%2x ", (u_int)map[i] & 0xff);
		printf("\n");
	}
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: pass5.c,v 1.18 2015/01/16 06:39:57 deraadt Exp $ */
2			/* $NetBSD: pass5.c,v 1.7 2000/01/28 16:01:46 bouyer Exp $ */
3
4			/*
5			* Copyright (c) 1997 Manuel Bouyer.
6			* Copyright (c) 1980, 1986, 1993
7			* The Regents of the University of California. All rights reserved.
8			*
9			* Redistribution and use in source and binary forms, with or without
10			* modification, are permitted provided that the following conditions
11			* are met:
12			* 1. Redistributions of source code must retain the above copyright
13			* notice, this list of conditions and the following disclaimer.
14			* 2. Redistributions in binary form must reproduce the above copyright
15			* notice, this list of conditions and the following disclaimer in the
16			* documentation and/or other materials provided with the distribution.
17			* 3. Neither the name of the University nor the names of its contributors
18			* may be used to endorse or promote products derived from this software
19			* without specific prior written permission.
20			*
21			* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24			* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31			* SUCH DAMAGE.
32			*/
33
34			#include <sys/param.h> /* setbit isset */
35			#include <sys/time.h>
36			#include <ufs/ufs/dinode.h>
37			#include <ufs/ext2fs/ext2fs_dinode.h>
38			#include <ufs/ext2fs/ext2fs.h>
39			#include <string.h>
40			#include <stdio.h>
41			#include <stdlib.h>
42
43			#include "fsutil.h"
44			#include "fsck.h"
45			#include "extern.h"
46
47
48			void print_bmap(u_char *,u_int32_t);
49
50			void
51			pass5(void)
52			{
53			int c;
54			struct m_ext2fs *fs = &sblock;
55			daddr32_t dbase, dmax;
56			daddr32_t d;
57			long i, j;
58			struct inodesc idesc[3];
59			struct bufarea ino_bitmap = NULL, blk_bitmap = NULL;
60			char ibmap, bbmap;
61			u_int32_t cs_ndir, cs_nbfree, cs_nifree;
62			char msg[255];
63
64			cs_ndir = 0;
65			cs_nbfree = 0;
66			cs_nifree = 0;
67
68			ibmap = malloc(fs->e2fs_bsize);
69			bbmap = malloc(fs->e2fs_bsize);
70			if (ibmap == NULL \|\| bbmap == NULL) {
71			errexit("out of memory\n");
72			}
73
74			for (c = 0; c < fs->e2fs_ncg; c++) {
75			u_int32_t nbfree = 0;
76			u_int32_t nifree = 0;
77			u_int32_t ndirs = 0;
78
79			nbfree = 0;
80			nifree = fs->e2fs.e2fs_ipg;
81			ndirs = 0;
82
83			if (blk_bitmap == NULL) {
84			blk_bitmap = getdatablk(letoh32(fs->e2fs_gd[c].ext2bgd_b_bitmap),
85			fs->e2fs_bsize);
86			} else {
87			getblk(blk_bitmap, letoh32(fs->e2fs_gd[c].ext2bgd_b_bitmap),
88			fs->e2fs_bsize);
89			}
90			if (ino_bitmap == NULL) {
91			ino_bitmap = getdatablk(letoh32(fs->e2fs_gd[c].ext2bgd_i_bitmap),
92			fs->e2fs_bsize);
93			} else {
94			getblk(ino_bitmap, letoh32(fs->e2fs_gd[c].ext2bgd_i_bitmap),
95			fs->e2fs_bsize);
96			}
97			memset(bbmap, 0, fs->e2fs_bsize);
98			memset(ibmap, 0, fs->e2fs_bsize);
99			memset(&idesc[0], 0, sizeof idesc);
100			for (i = 0; i < 3; i++) {
101			idesc[i].id_type = ADDR;
102			}
103
104			j = fs->e2fs.e2fs_ipg * c + 1;
105
106			for (i = 0; i < fs->e2fs.e2fs_ipg; j++, i++) {
107			if ((j < EXT2_FIRSTINO) && (j != EXT2_ROOTINO)) {
108			setbit(ibmap, i);
109			nifree--;
110			continue;
111			}
112			if (j > fs->e2fs.e2fs_icount) {
113			setbit(ibmap, i);
114			continue;
115			}
116			switch (statemap[j]) {
117
118			case USTATE:
119			break;
120
121			case DSTATE:
122			case DCLEAR:
123			case DFOUND:
124			ndirs++;
125			/* fall through */
126
127			case FSTATE:
128			case FCLEAR:
129			nifree--;
130			setbit(ibmap, i);
131			break;
132
133			default:
134			errexit("BAD STATE %d FOR INODE I=%llu\n",
135			statemap[j], (unsigned long long)j);
136			}
137			}
138
139			/* fill in unused par of the inode map */
140			for (i = fs->e2fs.e2fs_ipg / NBBY; i < fs->e2fs_bsize; i++)
141			ibmap[i] = 0xff;
142
143			dbase = c * sblock.e2fs.e2fs_bpg +
144			sblock.e2fs.e2fs_first_dblock;
145			dmax = (c+1) * sblock.e2fs.e2fs_bpg +
146			sblock.e2fs.e2fs_first_dblock;
147
148			for (i = 0, d = dbase;
149			d < dmax;
150			d ++, i ++) {
151			if (testbmap(d) \|\| d >= sblock.e2fs.e2fs_bcount) {
152			setbit(bbmap, i);
153			continue;
154			} else {
155			nbfree++;
156			}
157
158			}
159			cs_nbfree += nbfree;
160			cs_nifree += nifree;
161			cs_ndir += ndirs;
162
163			if (debug && (letoh16(fs->e2fs_gd[c].ext2bgd_nbfree) != nbfree \|\|
164			letoh16(fs->e2fs_gd[c].ext2bgd_nifree) != nifree \|\|
165			letoh16(fs->e2fs_gd[c].ext2bgd_ndirs) != ndirs)) {
166			printf("summary info for cg %d is %d, %d, %d,"
167			"should be %d, %d, %d\n", c,
168			letoh16(fs->e2fs_gd[c].ext2bgd_nbfree),
169			letoh16(fs->e2fs_gd[c].ext2bgd_nifree),
170			letoh16(fs->e2fs_gd[c].ext2bgd_ndirs),
171			nbfree,
172			nifree,
173			ndirs);
174			}
175			(void)snprintf(msg, sizeof(msg),
176			"SUMMARY INFORMATIONS WRONG FOR CG #%d", c);
177			if ((letoh16(fs->e2fs_gd[c].ext2bgd_nbfree) != nbfree \|\|
178			letoh16(fs->e2fs_gd[c].ext2bgd_nifree) != nifree \|\|
179			letoh16(fs->e2fs_gd[c].ext2bgd_ndirs) != ndirs) &&
180			dofix(&idesc[0], msg)) {
181			fs->e2fs_gd[c].ext2bgd_nbfree = htole16(nbfree);
182			fs->e2fs_gd[c].ext2bgd_nifree = htole16(nifree);
183			fs->e2fs_gd[c].ext2bgd_ndirs = htole16(ndirs);
184			sbdirty();
185			}
186
187			if (debug && memcmp(blk_bitmap->b_un.b_buf, bbmap, fs->e2fs_bsize)) {
188			printf("blk_bitmap:\n");
189			print_bmap(blk_bitmap->b_un.b_buf, fs->e2fs_bsize);
190			printf("bbmap:\n");
191			print_bmap(bbmap, fs->e2fs_bsize);
192			}
193
194			(void)snprintf(msg, sizeof(msg),
195			"BLK(S) MISSING IN BIT MAPS #%d", c);
196			if (memcmp(blk_bitmap->b_un.b_buf, bbmap, fs->e2fs_bsize) &&
197			dofix(&idesc[1], msg)) {
198			memcpy(blk_bitmap->b_un.b_buf, bbmap, fs->e2fs_bsize);
199			dirty(blk_bitmap);
200			}
201			if (debug && memcmp(ino_bitmap->b_un.b_buf, ibmap, fs->e2fs_bsize)) {
202			printf("ino_bitmap:\n");
203			print_bmap(ino_bitmap->b_un.b_buf, fs->e2fs_bsize);
204			printf("ibmap:\n");
205			print_bmap(ibmap, fs->e2fs_bsize);
206			}
207			(void)snprintf(msg, sizeof(msg),
208			"INODE(S) MISSING IN BIT MAPS #%d", c);
209			if (memcmp(ino_bitmap->b_un.b_buf, ibmap, fs->e2fs_bsize) &&
210			dofix(&idesc[1], msg)) {
211			memcpy(ino_bitmap->b_un.b_buf, ibmap, fs->e2fs_bsize);
212			dirty(ino_bitmap);
213			}
214
215			}
216			if (debug && (fs->e2fs.e2fs_fbcount != cs_nbfree \|\|
217			fs->e2fs.e2fs_ficount != cs_nifree)) {
218			printf("summary info bad in superblock: %d, %d should be %d, %d\n",
219			fs->e2fs.e2fs_fbcount, fs->e2fs.e2fs_ficount,
220			cs_nbfree, cs_nifree);
221			}
222			if ((fs->e2fs.e2fs_fbcount != cs_nbfree \|\|
223			fs->e2fs.e2fs_ficount != cs_nifree)
224			&& dofix(&idesc[0], "SUPERBLK SUMMARY INFORMATION BAD")) {
225			fs->e2fs.e2fs_fbcount = cs_nbfree;
226			fs->e2fs.e2fs_ficount = cs_nifree;
227			sbdirty();
228			}
229			free(ibmap);
230			free(bbmap);
231			}
232
233			void
234			print_bmap(u_char *map, u_int32_t size)
235			{
236			int i, j;
237
238			i = 0;
239			while (i < size) {
240			printf("%u: ",i);
241			for (j = 0; j < 16; j++, i++)
242			printf("%2x ", (u_int)map[i] & 0xff);
243			printf("\n");
244			}
245			}