* 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. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
+ * 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.
*
#ifndef lint
static const char rcsid[] =
- "$Id: traverse.c,v 1.44 2002/04/04 08:20:23 stelian Exp $";
+ "$Id: traverse.c,v 1.62 2004/11/22 10:22:43 stelian Exp $";
#endif /* not lint */
#include <config.h>
#include <ctype.h>
#include <stdio.h>
+#include <sys/types.h>
#ifdef __STDC__
#include <string.h>
#include <unistd.h>
#endif
+#include <errno.h>
#include <sys/param.h>
#include <sys/stat.h>
#ifdef HAVE_EXT2_JOURNAL_INUM
#define ext2_journal_ino(sb) (sb->s_journal_inum)
#else
-#define ext2_journal_ino(sb) (*((__u32 *)sb + 0x38))
+#define ext2_journal_ino(sb) (*((u_int32_t *)sb + 0x38))
#endif
#ifndef HAVE_EXT2_INO_T
typedef ino_t ext2_ino_t;
#ifndef EXT2_RESIZE_INO
#define EXT2_RESIZE_INO 7
#endif
+#ifndef EXT2_FT_UNKNOWN
+#define EXT2_FT_UNKNOWN 0
+#define EXT2_FT_REG_FILE 1
+#define EXT2_FT_DIR 2
+#define EXT2_FT_CHRDEV 3
+#define EXT2_FT_BLKDEV 4
+#define EXT2_FT_FIFO 5
+#define EXT2_FT_SOCK 6
+#define EXT2_FT_SYMLINK 7
+#define EXT2_FT_MAX 8
+#endif
int dump_fs_open(const char *disk, ext2_filsys *fs)
{
* dump blocks (sizeest vs. blkest in the indirect block
* calculation).
*/
- blkest = howmany((u_quad_t)dp->di_blocks*fs->blocksize, TP_BSIZE);
+ blkest = howmany((u_quad_t)dp->di_blocks * 512, fs->blocksize) * (fs->blocksize / TP_BSIZE);
i_size = dp->di_size + ((u_quad_t) dp->di_size_high << 32);
- sizeest = howmany(i_size, TP_BSIZE);
+ sizeest = howmany(i_size, fs->blocksize) * (fs->blocksize / TP_BSIZE);
if (blkest > sizeest)
blkest = sizeest;
#ifdef __linux__
- if (i_size > fs->blocksize * NDADDR) {
+ if ((dp->di_mode & IFMT) == IFDIR) {
+ /*
+ * for directories, assume only half of space is filled
+ * with entries.
+ */
+ blkest = blkest / 2;
+ sizeest = sizeest / 2;
+ }
+ if (i_size > (u_quad_t)fs->blocksize * NDADDR) {
/* calculate the number of indirect blocks on the dump tape */
blkest +=
howmany(sizeest - NDADDR * fs->blocksize / TP_BSIZE,
- NINDIR(sblock) * EXT2_FRAGS_PER_BLOCK(fs->super));
+ TP_NINDIR);
}
#else
if (i_size > sblock->fs_bsize * NDADDR) {
/* The WANTTODUMP macro decides whether a file should be dumped. */
#define WANTTODUMP(dp, ino) \
- (CHANGEDSINCE(dp, spcl.c_ddate) && \
+ (CHANGEDSINCE(dp, ((u_int32_t)spcl.c_ddate)) && \
(!NODUMP_FLAG(dp)) && \
(!exclude_ino(ino)))
SETINO(ino, dumpdirmap);
if (WANTTODUMP(dp, ino)) {
SETINO(ino, dumpinomap);
- if (!MSINCE(dp, spcl.c_ddate))
+ if (!MSINCE(dp, (u_int32_t)spcl.c_ddate))
SETINO(ino, metainomap);
if (mode != IFREG && mode != IFDIR && mode != IFLNK)
*tapesize += 1;
*/
#ifdef __linux__
int
-mapfiles(dump_ino_t maxino, long *tapesize)
+mapfiles(UNUSED(dump_ino_t maxino), long *tapesize)
{
ext2_ino_t ino;
int anydirskipped = 0;
#ifdef __linux__
int
-maponefile(dump_ino_t maxino, long *tapesize, char *directory)
+maponefile(UNUSED(dump_ino_t maxino), long *tapesize, char *directory)
{
errcode_t retval;
ext2_ino_t dir_ino;
/*
* Mark every directory in the path as being dumped
*/
- for (i = 0; i < strlen (directory); i++) {
+ for (i = 0; i < (int)strlen (directory); i++) {
if (directory[i] == '/') {
strncpy (dir_name, directory, i);
dir_name[i] = '\0';
};
static int
-mapfilesindir(struct ext2_dir_entry *dirent, int offset, int blocksize, char *buf, void *private)
+mapfilesindir(struct ext2_dir_entry *dirent, UNUSED(int offset),
+ UNUSED(int blocksize), UNUSED(char *buf), void *private)
{
struct dinode const *dp;
int mode;
* the directories in the filesystem.
*/
int
-mapfilesfromdir(dump_ino_t maxino, long *tapesize, char *directory)
+mapfilesfromdir(UNUSED(dump_ino_t maxino), long *tapesize, char *directory)
{
errcode_t retval;
struct mapfile_context mfc;
/*
* Mark every directory in the path as being dumped
*/
- for (i = 0; i < strlen (directory); i++) {
+ for (i = 0; i < (int)strlen (directory); i++) {
if (directory[i] == '/') {
strncpy (dir_name, directory, i);
dir_name[i] = '\0';
*/
#ifdef __linux__
static int
-searchdir(struct ext2_dir_entry *dp, int offset, int blocksize, char *buf, void *private)
+searchdir(struct ext2_dir_entry *dp, UNUSED(int offset),
+ UNUSED(int blocksize), UNUSED(char *buf), void *private)
{
struct mapdirs_context *mdc;
int *ret;
ip = getino(dp->inode);
if (TSTINO(dp->inode, dumpinomap)) {
CLRINO(dp->inode, dumpinomap);
- CLRINO(dp->inode, usedinomap);
*tapesize -= blockest(ip);
}
- /* Add dir back to the dir map, to propagate nodump */
+ /* Add dir back to the dir map and remove from
+ * usedinomap to propagate nodump */
if ((ip->di_mode & IFMT) == IFDIR) {
SETINO(dp->inode, dumpdirmap);
+ CLRINO(dp->inode, usedinomap);
*ret |= HASSUBDIRS;
}
} else {
* Dump a block to the tape
*/
static int
-dumponeblock(ext2_filsys fs, blk_t *blocknr, e2_blkcnt_t blockcnt,
- blk_t ref_block, int ref_offset, void * private)
+dumponeblock(UNUSED(ext2_filsys fs), blk_t *blocknr, e2_blkcnt_t blockcnt,
+ UNUSED(blk_t ref_block), UNUSED(int ref_offset), void * private)
{
struct block_context *p;
- int i;
+ e2_blkcnt_t i;
if (blockcnt < NDADDR)
return 0;
unsigned long cnt;
fsizeT size, remaining;
char buf[TP_BSIZE];
- struct old_bsd_inode obi;
+ struct new_bsd_inode nbi;
int i;
#ifdef __linux__
struct block_context bc;
}
CLRINO(ino, dumpinomap);
#ifdef __linux__
- memset(&obi, 0, sizeof(obi));
- obi.di_mode = dp->di_mode;
- obi.di_uid = dp->di_uid;
- obi.di_gid = dp->di_gid;
- obi.di_qsize.v = i_size;
- obi.di_atime = dp->di_atime;
- obi.di_mtime = dp->di_mtime;
- obi.di_ctime = dp->di_ctime;
- obi.di_nlink = dp->di_nlink;
- obi.di_blocks = dp->di_blocks;
- obi.di_flags = dp->di_flags;
- obi.di_gen = dp->di_gen;
- memmove(&obi.di_db, &dp->di_db, (NDADDR + NIADDR) * sizeof(daddr_t));
+ memset(&nbi, 0, sizeof(nbi));
+ nbi.di_mode = dp->di_mode;
+ nbi.di_nlink = dp->di_nlink;
+ nbi.di_ouid = dp->di_uid;
+ nbi.di_ogid = dp->di_gid;
+ nbi.di_size = i_size;
+ nbi.di_atime.tv_sec = dp->di_atime;
+ nbi.di_mtime.tv_sec = dp->di_mtime;
+ nbi.di_ctime.tv_sec = dp->di_ctime;
+ memmove(&nbi.di_db, &dp->di_db, (NDADDR + NIADDR) * sizeof(daddr_t));
+ nbi.di_flags = dp->di_flags;
+ nbi.di_blocks = dp->di_blocks;
+ nbi.di_gen = dp->di_gen;
+ nbi.di_uid = (((int32_t)dp->di_uidhigh) << 16) | dp->di_uid;
+ nbi.di_gid = (((int32_t)dp->di_gidhigh) << 16) | dp->di_gid;
if (dp->di_file_acl)
- warn("ACLs in inode #%ld won't be dumped", (long)ino);
- memmove(&spcl.c_dinode, &obi, sizeof(obi));
+ msg("ACLs in inode #%ld won't be dumped\n", (long)ino);
+ memmove(&spcl.c_dinode, &nbi, sizeof(nbi));
#else /* __linux__ */
spcl.c_dinode = *dp;
#endif /* __linux__ */
spcl.c_count = 0;
if (metaonly && (dp->di_mode & S_IFMT)) {
- printf("Write header with spcl.c_count=%d\n",spcl.c_count);
spcl.c_flags |= DR_METAONLY;
spcl.c_count = 0;
writeheader(ino);
msg("Warning: undefined file type 0%o\n", dp->di_mode & IFMT);
return;
}
- if (i_size > NDADDR * sblock->fs_bsize)
+ if (i_size > (u_quad_t)NDADDR * sblock->fs_bsize)
#ifdef __linux__
cnt = NDADDR * EXT2_FRAGS_PER_BLOCK(fs->super);
#else
/* deal with holes at the end of the inode */
if (i_size > ((u_quad_t)bc.next_block) * sblock->fs_fsize) {
remaining = i_size - ((u_quad_t)bc.next_block) * sblock->fs_fsize;
- for (i = 0; i < howmany(remaining, sblock->fs_fsize); i++) {
+ for (i = 0; i < (int)howmany(remaining, sblock->fs_fsize); i++) {
bc.buf[bc.cnt++] = 0;
if (bc.cnt == bc.max) {
blksout (bc.buf, bc.cnt, bc.ino);
* size of the entry, and creates it in a temporary buffer
*/
static int
-convert_dir(struct ext2_dir_entry *dirent, int offset, int blocksize, char *buf, void *private)
+convert_dir(struct ext2_dir_entry *dirent, UNUSED(int offset),
+ UNUSED(int blocksize), UNUSED(char *buf), void *private)
{
struct convert_dir_context *p;
- struct olddirect *dp;
+ struct direct *dp;
int reclen;
+ /* do not save entries to excluded inodes */
+ if (TSTINO(dirent->inode, dumpinomap) == 0 &&
+ TSTINO(dirent->inode, dumpdirmap) == 0)
+ return 0;
+
p = (struct convert_dir_context *)private;
reclen = EXT2_DIR_REC_LEN((dirent->name_len & 0xFF) + 1);
if (((p->offset + reclen - 1) / p->bs) != (p->offset / p->bs)) {
- dp = (struct olddirect *)(p->buf + p->prev_offset);
+ dp = (struct direct *)(p->buf + p->prev_offset);
dp->d_reclen += p->bs - (p->offset % p->bs);
p->offset += p->bs - (p->offset % p->bs);
}
- dp = (struct olddirect *)(p->buf + p->offset);
+ dp = (struct direct *)(p->buf + p->offset);
dp->d_ino = dirent->inode;
dp->d_reclen = reclen;
dp->d_namlen = dirent->name_len & 0xFF;
+ switch ((dirent->name_len & 0xFF00) >> 8) {
+ default:
+ dp->d_type = DT_UNKNOWN;
+ break;
+ case EXT2_FT_REG_FILE:
+ dp->d_type = DT_REG;
+ break;
+ case EXT2_FT_DIR:
+ dp->d_type = DT_DIR;
+ break;
+ case EXT2_FT_CHRDEV:
+ dp->d_type = DT_CHR;
+ break;
+ case EXT2_FT_BLKDEV:
+ dp->d_type = DT_BLK;
+ break;
+ case EXT2_FT_FIFO:
+ dp->d_type = DT_FIFO;
+ break;
+ case EXT2_FT_SOCK:
+ dp->d_type = DT_SOCK;
+ break;
+ case EXT2_FT_SYMLINK:
+ dp->d_type = DT_LNK;
+ break;
+ }
strncpy(dp->d_name, dirent->name, dp->d_namlen);
dp->d_name[dp->d_namlen] = '\0';
p->prev_offset = p->offset;
{
fsizeT size;
char buf[TP_BSIZE];
- struct old_bsd_inode obi;
+ struct new_bsd_inode nbi;
struct convert_dir_context cdc;
errcode_t retval;
struct ext2_dir_entry *de;
dir_size = cdc.offset;
#ifdef __linux__
- memset(&obi, 0, sizeof(obi));
- obi.di_mode = dp->di_mode;
- obi.di_uid = dp->di_uid;
- obi.di_gid = dp->di_gid;
- obi.di_qsize.v = dir_size; /* (u_quad_t)dp->di_size; */
- obi.di_atime = dp->di_atime;
- obi.di_mtime = dp->di_mtime;
- obi.di_ctime = dp->di_ctime;
- obi.di_nlink = dp->di_nlink;
- obi.di_blocks = dp->di_blocks;
- obi.di_flags = dp->di_flags;
- obi.di_gen = dp->di_gen;
- memmove(&obi.di_db, &dp->di_db, (NDADDR + NIADDR) * sizeof(daddr_t));
+ memset(&nbi, 0, sizeof(nbi));
+ nbi.di_mode = dp->di_mode;
+ nbi.di_nlink = dp->di_nlink;
+ nbi.di_ouid = dp->di_uid;
+ nbi.di_ogid = dp->di_gid;
+ nbi.di_size = dir_size; /* (u_quad_t)dp->di_size; */
+ nbi.di_atime.tv_sec = dp->di_atime;
+ nbi.di_mtime.tv_sec = dp->di_mtime;
+ nbi.di_ctime.tv_sec = dp->di_ctime;
+ memmove(&nbi.di_db, &dp->di_db, (NDADDR + NIADDR) * sizeof(daddr_t));
+ nbi.di_flags = dp->di_flags;
+ nbi.di_blocks = dp->di_blocks;
+ nbi.di_gen = dp->di_gen;
+ nbi.di_uid = (((int32_t)dp->di_uidhigh) << 16) | dp->di_uid;
+ nbi.di_gid = (((int32_t)dp->di_gidhigh) << 16) | dp->di_gid;
if (dp->di_file_acl)
- warn("ACLs in inode #%ld won't be dumped", (long)ino);
- memmove(&spcl.c_dinode, &obi, sizeof(obi));
+ msg("ACLs in inode #%ld won't be dumped\n", (long)ino);
+ memmove(&spcl.c_dinode, &nbi, sizeof(nbi));
#else /* __linux__ */
spcl.c_dinode = *dp;
#endif /* __linux__ */
* Collect up the data into tape record sized buffers and output them.
*/
void
-blksout(daddr_t *blkp, int frags, dump_ino_t ino)
+blksout(blk_t *blkp, int frags, dump_ino_t ino)
{
- daddr_t *bp;
+ blk_t *bp;
int i, j, count, blks, tbperdb;
blks = howmany(frags * sblock->fs_fsize, TP_BSIZE);
writerec(cp, 0);
}
-#if defined __linux__ && !defined(int32_t)
+#if defined(__linux__) && !defined(int32_t)
#define int32_t __s32
#endif
/*
* Read a chunk of data from the disk.
* Try to recover from hard errors by reading in sector sized pieces.
- * Error recovery is attempted at most breademax times before seeking
+ * Error recovery is attempted at most BREADEMAX times before seeking
* consent from the operator to continue.
*/
int breaderrors = 0;
void
-bread(daddr_t blkno, char *buf, int size)
+bread(ext2_loff_t blkno, char *buf, int size)
{
int cnt, i;
- extern int errno;
loop:
#ifdef __linux__
- if (ext2fs_llseek(diskfd, (((ext2_loff_t)blkno) << dev_bshift), 0) !=
- (((ext2_loff_t)blkno) << dev_bshift))
+ if (ext2fs_llseek(diskfd, (blkno << dev_bshift), 0) !=
+ (blkno << dev_bshift))
#else
if (lseek(diskfd, ((off_t)blkno << dev_bshift), 0) !=
((off_t)blkno << dev_bshift))
goto loop;
}
if (cnt == -1)
- msg("read error from %s: %s: [block %d]: count=%d\n",
- disk, strerror(errno), blkno, size);
+ msg("read error from %s: %s: [block %d, ext2blk %d]: count=%d\n",
+ disk, strerror(errno), blkno,
+ dbtofsb(sblock, blkno), size);
else
- msg("short read error from %s: [block %d]: count=%d, got=%d\n",
- disk, blkno, size, cnt);
- if (++breaderrors > breademax) {
+ msg("short read error from %s: [block %d, ext2blk %d]: count=%d, got=%d\n",
+ disk, blkno, dbtofsb(sblock, blkno), size, cnt);
+ if (breademax && ++breaderrors > breademax) {
msg("More than %d block read errors from %d\n",
breademax, disk);
broadcast("DUMP IS AILING!\n");
memset(buf, 0, size);
for (i = 0; i < size; i += dev_bsize, buf += dev_bsize, blkno++) {
#ifdef __linux__
- if (ext2fs_llseek(diskfd, (((ext2_loff_t)blkno) << dev_bshift), 0) !=
- (((ext2_loff_t)blkno) << dev_bshift))
+ if (ext2fs_llseek(diskfd, (blkno << dev_bshift), 0) !=
+ (blkno << dev_bshift))
#else
if (lseek(diskfd, ((off_t)blkno << dev_bshift), 0) !=
((off_t)blkno << dev_bshift))
if ((cnt = read(diskfd, buf, (int)dev_bsize)) == dev_bsize)
continue;
if (cnt == -1) {
- msg("read error from %s: %s: [sector %d]: count=%d\n",
- disk, strerror(errno), blkno, dev_bsize);
+ msg("read error from %s: %s: [sector %d, ext2blk %d]: count=%d\n",
+ disk, strerror(errno), blkno,
+ dbtofsb(sblock, blkno), dev_bsize);
continue;
}
- msg("short read error from %s: [sector %d]: count=%d, got=%d\n",
- disk, blkno, dev_bsize, cnt);
+ msg("short read error from %s: [sector %d, ext2blk %d]: count=%d, got=%d\n",
+ disk, blkno, dbtofsb(sblock, blkno), dev_bsize, cnt);
}
}