* Ported to Linux's Second Extended File System as part of the
* dump and restore backup suit
* Remy Card <card@Linux.EU.Org>, 1994-1997
- * Stelian Pop <pop@noos.fr>, 1999-2000
- * Stelian Pop <pop@noos.fr> - Alcôve <www.alcove.fr>, 2000
+ * Stelian Pop <stelian@popies.net>, 1999-2000
+ * Stelian Pop <stelian@popies.net> - Alcôve <www.alcove.com>, 2000-2002
*/
/*
* 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: tape.c,v 1.39 2001/05/26 11:04:46 stelian Exp $";
+ "$Id: tape.c,v 1.74 2003/03/31 09:42:59 stelian Exp $";
#endif /* not lint */
#include <config.h>
#include <compatlfs.h>
#include <errno.h>
#include <compaterr.h>
+#include <system.h>
#include <setjmp.h>
#include <stdio.h>
#include <stdlib.h>
#ifdef __linux__
#include <sys/time.h>
#include <time.h>
+#ifdef HAVE_EXT2FS_EXT2_FS_H
+#include <ext2fs/ext2_fs.h>
+#else
#include <linux/ext2_fs.h>
+#endif
#include <ext2fs/ext2fs.h>
#include <bsdcompat.h>
#else /* __linux__ */
#include <zlib.h>
#endif /* HAVE_ZLIB */
+#ifdef HAVE_BZLIB
+#include <bzlib.h>
+#endif /* HAVE_BZLIB */
+
+#ifdef HAVE_LZO
+#include <minilzo.h>
+#endif /* HAVE_LZO */
+
#include "restore.h"
#include "extern.h"
#include "pathnames.h"
#endif /* USE_QFA */
static long fssize = MAXBSIZE;
static int mt = -1;
-static int pipein = 0;
+int pipein = 0;
static int magtapein = 0; /* input is from magtape */
static char magtape[MAXPATHLEN];
static char magtapeprefix[MAXPATHLEN];
static char *tapebuf; /* input buffer for read */
static int bufsize; /* buffer size without prefix */
static char *tbufptr = NULL; /* active tape buffer */
-#ifdef HAVE_ZLIB
+#if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
static char *comprbuf; /* uncompress work buf */
static size_t comprlen; /* size including prefix */
#endif
static long tapesread;
static sigjmp_buf restart;
static int gettingfile = 0; /* restart has a valid frame */
-static char *host = NULL;
+char *host = NULL;
static int ofile;
static char *map;
static void findinode __P((struct s_spcl *));
static void findtapeblksize __P((void));
static int gethead __P((struct s_spcl *));
+static int converthead __P((struct s_spcl *));
+static void converttapebuf __P((struct tapebuf *));
static void readtape __P((char *));
static void setdumpnum __P((void));
static u_int swabi __P((u_int));
static void xtrskip __P((char *, size_t));
static void setmagtapein __P((void));
-#ifdef HAVE_ZLIB
+#if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
static void newcomprbuf __P((int));
+static void (*readtape_func) __P((char *));
static void readtape_set __P((char *));
static void readtape_uncompr __P((char *));
static void readtape_comprfile __P((char *));
#endif
static int readmapflag;
+static int readingmaps; /* set to 1 while reading the maps */
/*
* Set up an input source. This is called from main.c before setup() is.
tapebufsize = size;
}
-#ifdef HAVE_ZLIB
+#if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
static void
newcomprbuf(int size)
{
if (comprbuf == NULL)
errx(1, "Cannot allocate space for decompress buffer");
}
-#endif /* HAVE_ZLIB */
+#endif /* HAVE_ZLIB || HAVE_BZLIB || HAVE_LZO */
/*
* Verify that the tape drive can be accessed and
void
setup(void)
{
- int i, j, *ip;
+ int i, j, *ip, bot_code;
struct STAT stbuf;
+ char *temptape;
Vprintf(stdout, "Verify tape and initialize maps\n");
+ if (Afile == NULL && bot_script) {
+ msg("Launching %s\n", bot_script);
+ bot_code = system_command(bot_script, magtape, 1);
+ if (bot_code != 0 && bot_code != 1) {
+ msg("Restore aborted by the beginning of tape script\n");
+ exit(1);
+ }
+ }
+
+ if (Afile)
+ temptape = Afile;
+ else
+ temptape = magtape;
+
#ifdef RRESTORE
- if (host)
- mt = rmtopen(magtape, 0);
+ if (!Afile && host)
+ mt = rmtopen(temptape, O_RDONLY);
else
#endif
if (pipein)
mt = 0;
else
- mt = OPEN(magtape, O_RDONLY, 0);
+ mt = OPEN(temptape, O_RDONLY, 0);
if (mt < 0)
- err(1, "%s", magtape);
- volno = 1;
- setmagtapein();
- setdumpnum();
+ err(1, "%s", temptape);
+ if (!Afile) {
+ volno = 1;
+ setmagtapein();
+ setdumpnum();
+ }
+#if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
+ readtape_func = readtape_set;
+#if defined(HAVE_LZO)
+ if (lzo_init() != LZO_E_OK) {
+ msg("internal error - lzo_init failed \n");
+ exit(1);
+ }
+#endif
+#endif
FLUSHTAPEBUF();
findtapeblksize();
if (gethead(&spcl) == FAIL) {
if (zflag) {
fprintf(stderr, "Dump tape is compressed.\n");
-#ifdef HAVE_ZLIB
- newcomprbuf(ntrec);
-#else
+#if !defined(HAVE_ZLIB) && !defined(HAVE_BZLIB) && !defined(HAVE_LZO)
errx(1,"This restore version doesn't support decompression");
-#endif /* HAVE_ZLIB */
+#endif /* !HAVE_ZLIB && !HAVE_BZLIB */
}
if (pipein) {
endoftapemark.s_spcl.c_magic = cvtflag ? OFS_MAGIC : NFS_MAGIC;
}
if (vflag || command == 't' || command == 'C')
printdumpinfo();
+#ifdef USE_QFA
+ if (tapeposflag && (unsigned long)spcl.c_date != qfadumpdate)
+ errx(1, "different QFA/dumpdates detected\n");
+#endif
if (filesys[0] == '\0') {
char *dirptr;
strncpy(filesys, spcl.c_filesys, NAMELEN);
Dprintf(stdout, "header read failed at %ld blocks\n", (long)blksread);
panic("no header after volume mark!\n");
}
+ readingmaps = 1;
findinode(&spcl);
if (spcl.c_type != TS_CLRI)
errx(1, "Cannot find file removal list");
maxino = (spcl.c_count * TP_BSIZE * NBBY) + 1;
- Dprintf(stdout, "maxino = %ld\n", (long)maxino);
map = calloc((unsigned)1, (unsigned)howmany(maxino, NBBY));
if (map == NULL)
errx(1, "no memory for active inode map");
usedinomap = map;
curfile.action = USING;
getfile(xtrmap, xtrmapskip);
+ while (spcl.c_type == TS_ADDR) {
+ /* Recompute maxino and the map */
+ dump_ino_t oldmaxino = maxino;
+ maxino += (spcl.c_count * TP_BSIZE * NBBY) + 1;
+ resizemaps(oldmaxino, maxino);
+
+ spcl.c_dinode.di_size = spcl.c_count * TP_BSIZE;
+ getfile(xtrmap, xtrmapskip);
+ }
+ Dprintf(stdout, "maxino = %lu\n", (unsigned long)maxino);
if (spcl.c_type != TS_BITS)
errx(1, "Cannot find file dump list");
map = calloc((unsigned)1, (unsigned)howmany(maxino, NBBY));
dumpmap = map;
curfile.action = USING;
getfile(xtrmap, xtrmapskip);
+ while (spcl.c_type == TS_ADDR) {
+ spcl.c_dinode.di_size = spcl.c_count * TP_BSIZE;
+ getfile(xtrmap, xtrmapskip);
+ }
/*
* If there may be whiteout entries on the tape, pretend that the
* whiteout inode exists, so that the whiteout entries can be
*/
if (oldinofmt == 0)
SETINO(WINO, dumpmap);
+ readingmaps = 0;
+ findinode(&spcl);
}
/*
void
getvol(long nextvol)
{
- long newvol = 0, savecnt = 0, wantnext = 0, i;
+ long newvol = 0, wantnext = 0, i;
+ long saved_blksread = 0, saved_tpblksread = 0;
union u_spcl tmpspcl;
# define tmpbuf tmpspcl.s_spcl
char buf[TP_BSIZE];
- int haderror = 0;
+ int haderror = 0, bot_code = 1;
if (nextvol == 1) {
tapesread = 0;
gettingfile = 0;
+ tpblksread = 0;
+ blksread = 0;
}
if (pipein) {
if (nextvol != 1)
return;
goto gethdr;
}
- savecnt = blksread;
+ saved_blksread = blksread;
+ saved_tpblksread = tpblksread;
+#if defined(USE_QFA) && defined(sunos)
+ if (createtapeposflag || tapeposflag)
+ close(fdsmtc);
+#endif
again:
if (pipein)
exit(1); /* pipes do not get a second chance */
- if (command == 'R' || command == 'r' || curfile.action != SKIP) {
+ if (aflag || curfile.action != SKIP) {
newvol = nextvol;
wantnext = 1;
} else {
while (newvol <= 0) {
if (tapesread == 0) {
fprintf(stderr, "%s%s%s%s%s",
- "You have not read any tapes yet.\n",
+ "You have not read any volumes yet.\n",
"Unless you know which volume your",
" file(s) are on you should start\n",
"with the last volume and work",
fprintf(stderr, "\n");
}
do {
- fprintf(stderr, "Specify next volume #: ");
+ fprintf(stderr, "Specify next volume # (none if no more volumes): ");
(void) fflush(stderr);
(void) fgets(buf, TP_BSIZE, terminal);
} while (!feof(terminal) && buf[0] == '\n');
if (feof(terminal))
exit(1);
+ if (!strcmp(buf, "none\n")) {
+ terminateinput();
+ return;
+ }
newvol = atoi(buf);
if (newvol <= 0) {
fprintf(stderr,
}
if (newvol == volno) {
tapesread |= 1 << volno;
+#if defined(USE_QFA) && defined(sunos)
+ if (createtapeposflag || tapeposflag) {
+ if (OpenSMTCmt(magtape) < 0) {
+ volno = -1;
+ haderror = 1;
+ goto again;
+ }
+ }
+#endif
return;
}
closemt();
+
+ /*
+ * if using an archive file, reset its name so readtape()
+ * could properly use remote access.
+ */
+ Afile = NULL;
+
if (Mflag) {
snprintf(magtape, MAXPATHLEN, "%s%03ld", magtapeprefix, newvol);
magtape[MAXPATHLEN - 1] = '\0';
}
- if (!Mflag || haderror) {
+ if (bot_script && !haderror) {
+ msg("Launching %s\n", bot_script);
+ bot_code = system_command(bot_script, magtape, newvol);
+ if (bot_code != 0 && bot_code != 1) {
+ msg("Restore aborted by the beginning of tape script\n");
+ exit(1);
+ }
+ }
+ if (haderror || (bot_code && !Mflag)) {
haderror = 0;
- fprintf(stderr, "Mount tape volume %ld\n", (long)newvol);
- fprintf(stderr, "Enter ``none'' if there are no more tapes\n");
- fprintf(stderr, "otherwise enter tape name (default: %s) ", magtape);
+ fprintf(stderr, "Mount volume %ld\n", (long)newvol);
+ fprintf(stderr, "Enter ``none'' if there are no more volumes\n");
+ fprintf(stderr, "otherwise enter volume name (default: %s) ", magtape);
(void) fflush(stderr);
(void) fgets(buf, TP_BSIZE, terminal);
if (feof(terminal))
return;
}
if (buf[0] != '\n') {
+ char *pos;
(void) strncpy(magtape, buf, sizeof(magtape));
magtape[sizeof(magtape) - 1] = '\0';
+ if ((pos = strchr(magtape, '\n')))
+ magtape[pos - magtape] = '\0';
}
}
#ifdef RRESTORE
if (host)
- mt = rmtopen(magtape, 0);
+ mt = rmtopen(magtape, O_RDONLY);
else
#endif
mt = OPEN(magtape, O_RDONLY, 0);
}
gethdr:
setmagtapein();
+#if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
+ readtape_func = readtape_set;
+#endif
volno = newvol;
setdumpnum();
FLUSHTAPEBUF();
+ findtapeblksize();
if (gethead(&tmpbuf) == FAIL) {
Dprintf(stdout, "header read failed at %ld blocks\n", (long)blksread);
fprintf(stderr, "tape is not dump tape\n");
volno = 0;
haderror = 1;
+ blksread = saved_blksread;
+ tpblksread = saved_tpblksread;
goto again;
}
if (tmpbuf.c_volume != volno) {
fprintf(stderr, "Wrong volume (%d)\n", tmpbuf.c_volume);
volno = 0;
haderror = 1;
+ blksread = saved_blksread;
+ tpblksread = saved_tpblksread;
goto again;
}
if (tmpbuf.c_date != dumpdate || tmpbuf.c_ddate != dumptime) {
fprintf(stderr, "\twanted: %s", ctime(&dumpdate));
volno = 0;
haderror = 1;
+ blksread = saved_blksread;
+ tpblksread = saved_tpblksread;
goto again;
}
tapesread |= 1 << volno;
- blksread = savecnt;
/*
* If continuing from the previous volume, skip over any
* blocks read already at the end of the previous volume.
* If coming to this volume at random, skip to the beginning
* of the next record.
*/
+ if (zflag) {
+ fprintf(stderr, "Dump tape is compressed.\n");
+#if !defined(HAVE_ZLIB) && !defined(HAVE_BZLIB) && !defined(HAVE_LZO)
+ errx(1,"This restore version doesn't support decompression");
+#endif /* !HAVE_ZLIB && !HAVE_BZLIB */
+ }
Dprintf(stdout, "read %ld recs, tape starts with %ld\n",
- tpblksread, (long)tmpbuf.c_firstrec);
+ tpblksread - 1, (long)tmpbuf.c_firstrec);
if (tmpbuf.c_type == TS_TAPE && (tmpbuf.c_flags & DR_NEWHEADER)) {
if (!wantnext) {
- tpblksread = tmpbuf.c_firstrec;
+ tpblksread = tmpbuf.c_firstrec + 1;
for (i = tmpbuf.c_count; i > 0; i--)
readtape(buf);
} else if (tmpbuf.c_firstrec > 0 &&
fprintf(stdout, "Label: %s\n", spcl.c_label);
}
+void
+printvolinfo(void)
+{
+ int i;
+
+ if (volinfo[1] == ROOTINO) {
+ printf("Starting inode numbers by volume:\n");
+ for (i = 1; i < (int)TP_NINOS && volinfo[i] != 0; ++i)
+ printf("\tVolume %d: %lu\n", i, (unsigned long)volinfo[i]);
+ }
+}
+
+#ifdef sunos
+struct timeval
+ time_t tv_sec; /* seconds */
+ suseconds_t tv_usec; /* and microseconds */
+};
+#endif
+
int
-extractfile(char *name)
+extractfile(struct entry *ep, int doremove)
{
unsigned int flags;
mode_t mode;
struct timeval timep[2];
- struct entry *ep;
+ char *name = myname(ep);
+
+ /* If removal is requested (-r mode) do remove it unless
+ * we are extracting a metadata only inode */
+ if (spcl.c_flags & DR_METAONLY) {
+ Vprintf(stdout, "file %s is metadata only\n", name);
+ }
+ else {
+ if (doremove) {
+ removeleaf(ep);
+ ep->e_flags &= ~REMOVED;
+ }
+ }
curfile.name = name;
curfile.action = USING;
-#ifdef __linux__
+#if defined(__linux__) || defined(sunos)
timep[0].tv_sec = curfile.dip->di_atime.tv_sec;
timep[0].tv_usec = curfile.dip->di_atime.tv_usec;
timep[1].tv_sec = curfile.dip->di_mtime.tv_sec;
timep[1].tv_usec = curfile.dip->di_mtime.tv_usec;
-#else /* __linux__ */
+#else /* __linux__ || sunos */
timep[0].tv_sec = curfile.dip->di_atime;
timep[0].tv_usec = curfile.dip->di_atimensec / 1000;
timep[1].tv_sec = curfile.dip->di_mtime;
case IFDIR:
if (mflag) {
- ep = lookupname(name);
if (ep == NULL || ep->e_flags & EXTRACT)
panic("unextracted directory %s\n", name);
skipfile();
uid_t luid = curfile.dip->di_uid;
gid_t lgid = curfile.dip->di_gid;
#endif
- lnkbuf[0] = '\0';
- pathlen = 0;
- getfile(xtrlnkfile, xtrlnkskip);
- if (pathlen == 0) {
- Vprintf(stdout,
- "%s: zero length symbolic link (ignored)\n", name);
- return (GOOD);
+ if (! (spcl.c_flags & DR_METAONLY)) {
+ lnkbuf[0] = '\0';
+ pathlen = 0;
+ getfile(xtrlnkfile, xtrlnkskip);
+ if (pathlen == 0) {
+ Vprintf(stdout,
+ "%s: zero length symbolic link (ignored)\n", name);
+ return (GOOD);
+ }
+ if (linkit(lnkbuf, name, SYMLINK) == FAIL)
+ return (FAIL);
}
- if (linkit(lnkbuf, name, SYMLINK) == FAIL)
- return (FAIL);
+ else
+ skipfile();
+
#ifdef HAVE_LCHOWN
(void) lchown(name, luid, lgid);
#endif
skipfile();
return (GOOD);
}
- if (uflag && !Nflag)
- (void)unlink(name);
- if (mkfifo(name, mode) < 0) {
- warn("%s: cannot create fifo", name);
- skipfile();
- return (FAIL);
+ if (! (spcl.c_flags & DR_METAONLY)) {
+ if (uflag && !Nflag)
+ (void)unlink(name);
+ if (mkfifo(name, mode) < 0) {
+ warn("%s: cannot create fifo", name);
+ skipfile();
+ return (FAIL);
+ }
}
(void) chown(name, curfile.dip->di_uid, curfile.dip->di_gid);
(void) chmod(name, mode);
skipfile();
return (GOOD);
}
- if (uflag)
- (void)unlink(name);
- if (mknod(name, mode, (int)curfile.dip->di_rdev) < 0) {
- warn("%s: cannot create special file", name);
- skipfile();
- return (FAIL);
+ if (! (spcl.c_flags & DR_METAONLY)) {
+ if (uflag)
+ (void)unlink(name);
+ if (mknod(name, mode, (int)curfile.dip->di_rdev) < 0) {
+ warn("%s: cannot create special file", name);
+ skipfile();
+ return (FAIL);
+ }
}
(void) chown(name, curfile.dip->di_uid, curfile.dip->di_gid);
(void) chmod(name, mode);
return (GOOD);
case IFREG:
+ {
+ uid_t luid = curfile.dip->di_uid;
+ gid_t lgid = curfile.dip->di_gid;
+
Vprintf(stdout, "extract file %s\n", name);
if (Nflag) {
skipfile();
return (GOOD);
}
- if (uflag)
- (void)unlink(name);
- if ((ofile = OPEN(name, O_WRONLY | O_CREAT | O_TRUNC,
- 0666)) < 0) {
- warn("%s: cannot create file", name);
- skipfile();
- return (FAIL);
+ if (! (spcl.c_flags & DR_METAONLY)) {
+ if (uflag)
+ (void)unlink(name);
+ if ((ofile = OPEN(name, O_WRONLY | O_CREAT | O_TRUNC,
+ 0666)) < 0) {
+ warn("%s: cannot create file", name);
+ skipfile();
+ return (FAIL);
+ }
+ getfile(xtrfile, xtrskip);
+ (void) close(ofile);
}
- (void) fchown(ofile, curfile.dip->di_uid, curfile.dip->di_gid);
- (void) fchmod(ofile, mode);
+ else
+ skipfile();
+ (void) chown(name, luid, lgid);
+ (void) chmod(name, mode);
if (flags)
#ifdef __linux__
- (void) setflags(ofile, flags);
+ (void) fsetflags(name, flags);
#else
- (void) fchflags(ofile, flags);
+ (void) chflags(name, flags);
#endif
- getfile(xtrfile, xtrskip);
- (void) close(ofile);
utimes(name, timep);
return (GOOD);
}
+ }
/* NOTREACHED */
}
void
getfile(void (*fill) __P((char *, size_t)), void (*skip) __P((char *, size_t)))
{
- register int i;
+ int i;
volatile int curblk = 0;
volatile quad_t size = spcl.c_dinode.di_size;
volatile int last_write_was_hole = 0;
curfile.name, (long)blksread);
}
if (curblk > 0) {
- (*fill)((char *)buf, (size_t)(curblk * TP_BSIZE) + size);
+ (*fill)((char *)buf, (size_t)((curblk * TP_BSIZE) + size));
last_write_was_hole = 0;
}
if (size > 0) {
if (last_write_was_hole) {
FTRUNCATE(ofile, origsize);
}
- findinode(&spcl);
+ if (!readingmaps)
+ findinode(&spcl);
gettingfile = 0;
}
*/
/* ARGSUSED */
static void
-xtrskip(char *buf, size_t size)
+xtrskip(UNUSED(char *buf), size_t size)
{
- if (LSEEK(ofile, (off_t)size, SEEK_CUR) == -1)
+ if (LSEEK(ofile, (OFF_T)size, SEEK_CUR) == -1)
err(1, "seek error extracting inode %lu, name %s\nlseek",
(unsigned long)curfile.ino, curfile.name);
}
*/
/* ARGSUSED */
static void
-xtrlnkskip(char *buf, size_t size)
+xtrlnkskip(UNUSED(char *buf), UNUSED(size_t size))
{
errx(1, "unallocated block in symbolic link %s", curfile.name);
*/
/* ARGSUSED */
static void
-xtrmapskip(char *buf, size_t size)
+xtrmapskip(UNUSED(char *buf), size_t size)
{
panic("hole in map\n");
*/
/* ARGSUSED */
void
-xtrnull(char *buf, size_t size)
+xtrnull(UNUSED(char *buf), UNUSED(size_t size))
{
return;
if (cmperror)
return;
- if (read(ifile, cmpbuf, size) != size) {
+ if (read(ifile, cmpbuf, size) != (ssize_t)size) {
fprintf(stderr, "%s: size has changed.\n",
curfile.name);
cmperror = 1;
* Skip over a hole in a file.
*/
static void
-xtrcmpskip(char *buf, size_t size)
+xtrcmpskip(UNUSED(char *buf), size_t size)
{
static char cmpbuf[MAXBSIZE];
int i;
if (cmperror)
return;
- if (read(ifile, cmpbuf, size) != size) {
+ if (read(ifile, cmpbuf, size) != (ssize_t)size) {
fprintf(stderr, "%s: size has changed.\n",
curfile.name);
cmperror = 1;
return;
}
- for (i = 0; i < size; ++i)
+ for (i = 0; i < (int)size; ++i)
if (cmpbuf[i] != '\0') {
fprintf(stderr, "%s: tape and disk copies are different\n",
curfile.name);
if (STAT(tapefile, &sbuf_tape) != 0) {
panic("Can't lstat tmp file %s: %s\n", tapefile,
strerror(errno));
- compare_errors = 1;
+ do_compare_error;
}
if (sbuf_disk->st_size != sbuf_tape.st_size) {
fprintf(stderr,
"%s: size changed from %ld to %ld.\n",
diskfile, (long)sbuf_tape.st_size, (long)sbuf_disk->st_size);
- compare_errors = 1;
+ do_compare_error;
#ifdef COMPARE_FAIL_KEEP_FILE
return (0);
#else
if ((fd_tape = OPEN(tapefile, O_RDONLY)) < 0) {
panic("Can't open %s: %s\n", tapefile, strerror(errno));
- compare_errors = 1;
+ do_compare_error;
}
if ((fd_disk = OPEN(diskfile, O_RDONLY)) < 0) {
close(fd_tape);
panic("Can't open %s: %s\n", diskfile, strerror(errno));
- compare_errors = 1;
+ do_compare_error;
}
if (do_cmpfiles(fd_tape, fd_disk, sbuf_tape.st_size)) {
diskfile);
close(fd_tape);
close(fd_disk);
- compare_errors = 1;
+ do_compare_error;
#ifdef COMPARE_FAIL_KEEP_FILE
/* rename the file to live in /tmp */
/* rename `tapefile' to /tmp/<basename of diskfile> */
void
comparefile(char *name)
{
- int mode;
+ unsigned int mode;
struct STAT sb;
int r;
#if !COMPARE_ONTHEFLY
struct STAT stemp;
#endif
+ curfile.name = name;
+ curfile.action = USING;
+ mode = curfile.dip->di_mode;
+
+ if ((mode & IFMT) == IFSOCK) {
+ Vprintf(stdout, "skipped socket %s\n", name);
+ skipfile();
+ return;
+ }
+
if ((r = LSTAT(name, &sb)) != 0) {
warn("%s: does not exist (%d)", name, r);
- compare_errors = 1;
+ do_compare_error;
skipfile();
return;
}
- curfile.name = name;
- curfile.action = USING;
- mode = curfile.dip->di_mode;
-
Vprintf(stdout, "comparing %s (size: %ld, mode: 0%o)\n", name,
(long)sb.st_size, mode);
if (sb.st_mode != mode) {
fprintf(stderr, "%s: mode changed from 0%o to 0%o.\n",
name, mode & 07777, sb.st_mode & 07777);
- compare_errors = 1;
+ do_compare_error;
+ }
+ if (spcl.c_flags & DR_METAONLY) {
+ skipfile();
+ return;
}
switch (mode & IFMT) {
default:
if (!(sb.st_mode & S_IFLNK)) {
fprintf(stderr, "%s: is no longer a symbolic link\n",
name);
- compare_errors = 1;
+ do_compare_error;
return;
}
lnkbuf[0] = '\0';
fprintf(stderr,
"%s: zero length symbolic link (ignored)\n",
name);
- compare_errors = 1;
+ do_compare_error;
return;
}
if ((lsize = readlink(name, lbuf, MAXPATHLEN)) < 0) {
panic("readlink of %s failed: %s", name,
strerror(errno));
- compare_errors = 1;
+ do_compare_error;
}
lbuf[lsize] = 0;
if (strcmp(lbuf, lnkbuf) != 0) {
fprintf(stderr,
"%s: symbolic link changed from %s to %s.\n",
name, lnkbuf, lbuf);
- compare_errors = 1;
+ do_compare_error;
return;
}
return;
if (!(sb.st_mode & (S_IFCHR|S_IFBLK))) {
fprintf(stderr, "%s: no longer a special file\n",
name);
- compare_errors = 1;
+ do_compare_error;
skipfile();
return;
}
- if (sb.st_rdev != (int)curfile.dip->di_rdev) {
+ if (sb.st_rdev != (dev_t)curfile.dip->di_rdev) {
fprintf(stderr,
"%s: device changed from %d,%d to %d,%d.\n",
name,
(int)curfile.dip->di_rdev & 0xff,
((int)sb.st_rdev >> 8) & 0xff,
(int)sb.st_rdev & 0xff);
- compare_errors = 1;
+ do_compare_error;
}
skipfile();
return;
if ((ifile = OPEN(name, O_RDONLY)) < 0) {
panic("Can't open %s: %s\n", name, strerror(errno));
skipfile();
- compare_errors = 1;
+ do_compare_error;
}
else {
cmperror = 0;
}
}
if (cmperror)
- compare_errors = 1;
+ do_compare_error;
close(ifile);
}
#else
/* NOTREACHED */
}
-#ifdef HAVE_ZLIB
+#if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
static void (*readtape_func)(char *) = readtape_set;
/*
readtape(buf);
}
-#endif /* HAVE_ZLIB */
+#endif /* HAVE_ZLIB || HAVE_BZLIB || HAVE_LZO */
/*
* This is the original readtape(), it's used for reading uncompressed input.
* Handle read errors, and end of media.
*/
static void
-#ifdef HAVE_ZLIB
+#if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
readtape_uncompr(char *buf)
#else
readtape(char *buf)
numtrec = ntrec;
cnt = ntrec * TP_BSIZE;
rd = 0;
+#ifdef USE_QFA
+ if (createtapeposflag)
+ (void)GetTapePos(&curtapepos);
+#endif
getmore:
#ifdef RRESTORE
- if (host)
+ if (!Afile && host)
i = rmtread(&tapebuf[rd], cnt);
else
#endif
i = ntrec * TP_BSIZE;
memset(tapebuf, 0, (size_t)i);
#ifdef RRESTORE
- if (host)
+ if (!Afile && host)
seek_failed = (rmtseek(i, 1) < 0);
else
#endif
- seek_failed = (LSEEK(mt, i, SEEK_CUR) == (off_t)-1);
+ seek_failed = (LSEEK(mt, i, SEEK_CUR) == (OFF_T)-1);
if (seek_failed) {
warn("continuation failed");
tpblksread++;
}
-#ifdef HAVE_ZLIB
+#if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
/*
* Read a compressed format block from a file or pipe and uncompress it.
/* read the block prefix */
ret = read_a_block(mt, tapebuf, PREFIXSIZE, &rl);
+ converttapebuf(tpb);
+
+ if (Vflag && (ret == 0 || rl < (int)PREFIXSIZE || tpb->length == 0))
+ ret = 0;
if (ret <= 0)
goto readerr;
if (ret <= 0)
goto readerr;
+ converttapebuf(tpb);
tbufptr = decompress_tapebuf(tpb, rl);
if (tbufptr == NULL) {
msg_read_error("Tape decompression error while");
/* zflag gets set in setup() from the dump header */
int cresult, blocklen;
unsigned long worklen;
+#ifdef HAVE_BZLIB
+ unsigned int worklen2;
+#endif
char *output = NULL,*reason = NULL, *lengtherr = NULL;
/* build a length error message */
blocklen = tpbin->length;
- if (readsize < blocklen + PREFIXSIZE)
+ if (readsize < blocklen + (int)PREFIXSIZE)
lengtherr = "short";
else
- if (readsize > blocklen + PREFIXSIZE)
+ if (readsize > blocklen + (int)PREFIXSIZE)
lengtherr = "long";
worklen = comprlen;
- cresult = Z_OK;
+ cresult = 1;
if (tpbin->compressed) {
/* uncompress whatever we read, if it fails, complain later */
- cresult = uncompress(comprbuf, &worklen, tpbin->buf, blocklen);
- output = comprbuf;
+ if (tpbin->flags == COMPRESS_ZLIB) {
+#ifndef HAVE_ZLIB
+ errx(1,"This restore version doesn't support zlib decompression");
+#else
+ cresult = uncompress(comprbuf, &worklen,
+ tpbin->buf, blocklen);
+ output = comprbuf;
+ switch (cresult) {
+ case Z_OK:
+ break;
+ case Z_MEM_ERROR:
+ reason = "not enough memory";
+ break;
+ case Z_BUF_ERROR:
+ reason = "buffer too small";
+ break;
+ case Z_DATA_ERROR:
+ reason = "data error";
+ break;
+ default:
+ reason = "unknown";
+ }
+ if (cresult == Z_OK)
+ cresult = 1;
+ else
+ cresult = 0;
+#endif /* HAVE_ZLIB */
+ }
+ if (tpbin->flags == COMPRESS_BZLIB) {
+#ifndef HAVE_BZLIB
+ errx(1,"This restore version doesn't support bzlib decompression");
+#else
+ worklen2 = worklen;
+ cresult = BZ2_bzBuffToBuffDecompress(
+ comprbuf, &worklen2,
+ tpbin->buf, blocklen, 0, 0);
+ worklen = worklen2;
+ output = comprbuf;
+ switch (cresult) {
+ case BZ_OK:
+ break;
+ case BZ_MEM_ERROR:
+ reason = "not enough memory";
+ break;
+ case BZ_OUTBUFF_FULL:
+ reason = "buffer too small";
+ break;
+ case BZ_DATA_ERROR:
+ case BZ_DATA_ERROR_MAGIC:
+ case BZ_UNEXPECTED_EOF:
+ reason = "data error";
+ break;
+ default:
+ reason = "unknown";
+ }
+ if (cresult == BZ_OK)
+ cresult = 1;
+ else
+ cresult = 0;
+#endif /* HAVE_BZLIB */
+ }
+ if (tpbin->flags == COMPRESS_LZO) {
+#ifndef HAVE_LZO
+ errx(1,"This restore version doesn't support lzo decompression");
+#else
+ cresult = lzo1x_decompress(tpbin->buf, blocklen,
+ comprbuf, (lzo_uintp) &worklen,NULL);
+ output = comprbuf;
+ switch (cresult) {
+ case LZO_E_OK:
+ break;
+ case LZO_E_ERROR:
+ case LZO_E_EOF_NOT_FOUND:
+ reason = "data error";
+ break;
+ default:
+ reason = "unknown";
+ }
+ if (cresult == LZO_E_OK)
+ cresult = 1;
+ else
+ cresult = 0;
+#endif /* HAVE_LZO */
+ }
}
else {
output = tpbin->buf;
worklen = blocklen;
}
- switch (cresult) {
- case Z_OK:
- numtrec = worklen / TP_BSIZE;
- if (worklen % TP_BSIZE != 0)
- reason = "length mismatch";
- break;
- case Z_MEM_ERROR:
- reason = "not enough memory";
- break;
- case Z_BUF_ERROR:
- reason = "buffer too small";
- break;
- case Z_DATA_ERROR:
- reason = "data error";
- break;
- default:
- reason = "unknown";
- } /*switch */
+ if (cresult) {
+ numtrec = worklen / TP_BSIZE;
+ if (worklen % TP_BSIZE != 0)
+ reason = "length mismatch";
+ }
if (reason) {
if (lengtherr)
fprintf(stderr, "%s compressed block: %d expected: %d\n",
lengtherr, readsize, tpbin->length + PREFIXSIZE);
fprintf(stderr, "decompression error, block %ld: %s\n",
tpblksread+1, reason);
- if (cresult != Z_OK) output = NULL;
+ if (!cresult)
+ output = NULL;
}
return output;
}
break;
}
}
-#endif /* HAVE_ZLIB */
+#endif /* HAVE_ZLIB || HAVE_BZLIB || HAVE_LZO */
/*
* Read the first block and get the blocksize from it. Test
long i;
size_t len;
struct tapebuf *tpb = (struct tapebuf *) tapebuf;
- struct s_spcl *spclpt = (struct s_spcl *) tapebuf;
+ struct s_spcl spclpt;
for (i = 0; i < ntrec; i++)
((struct s_spcl *)&tapebuf[i * TP_BSIZE])->c_magic = 0;
if (read_a_block(mt, tapebuf, len, &i) <= 0)
errx(1, "Tape read error on first record");
+ memcpy(&spclpt, tapebuf, TP_BSIZE);
+ if (converthead(&spclpt) == FAIL) {
+ cvtflag++;
+ if (converthead(&spclpt) == FAIL) {
+ /* Special case for old compressed tapes with prefix */
+ if (magtapein && (i % TP_BSIZE != 0))
+ goto oldformat;
+ errx(1, "Tape is not a dump tape");
+ }
+ fprintf(stderr, "Converting to new file system format.\n");
+ }
/*
* If the input is from a file or a pipe, we read TP_BSIZE
* bytes looking for a dump header. If the dump is compressed
* dump is not compressed and does not have a prefix.
*/
if (!magtapein) {
- if (spclpt->c_type == TS_TAPE
- && spclpt->c_flags & DR_COMPRESSED) {
+ if (spclpt.c_type == TS_TAPE
+ && spclpt.c_flags & DR_COMPRESSED) {
/* It's a compressed dump file, read in the */
- /* rest of the block based on spclpt->c_ntrec. */
- if (spclpt->c_ntrec > ntrec)
+ /* rest of the block based on spclpt.c_ntrec. */
+ if (spclpt.c_ntrec > ntrec)
errx(1, "Tape blocksize is too large, use "
- "\'-b %d\' ", spclpt->c_ntrec);
- ntrec = spclpt->c_ntrec;
+ "\'-b %d\' ", spclpt.c_ntrec);
+ ntrec = spclpt.c_ntrec;
len = (ntrec - 1) * TP_BSIZE;
zflag = 1;
}
len = bufsize - TP_BSIZE;
}
if (read_a_block(mt, tapebuf+TP_BSIZE, len, &i) < 0
- || (i != len && i % TP_BSIZE != 0))
+ || (i != (long)len && i % TP_BSIZE != 0))
errx(1,"Error reading dump file header");
tbufptr = tapebuf;
numtrec = ntrec;
* what we asked for; adjust the value of ntrec and test for
* a compressed dump tape.
*/
-
if (i % TP_BSIZE != 0) {
+oldformat:
/* may be old format compressed dump tape with a prefix */
- spclpt = (struct s_spcl *) tpb->buf;
+ memcpy(&spclpt, tpb->buf, TP_BSIZE);
+ cvtflag = 0;
+ if (converthead(&spclpt) == FAIL) {
+ cvtflag++;
+ if (converthead(&spclpt) == FAIL)
+ errx(1, "Tape is not a dump tape");
+ fprintf(stderr, "Converting to new file system format.\n");
+ }
if (i % TP_BSIZE == PREFIXSIZE
&& tpb->compressed == 0
- && spclpt->c_type == TS_TAPE
- && spclpt->c_flags & DR_COMPRESSED) {
+ && spclpt.c_type == TS_TAPE
+ && spclpt.c_flags & DR_COMPRESSED) {
zflag = 1;
tbufptr = tpb->buf;
if (tpb->length > bufsize)
i, TP_BSIZE);
}
ntrec = i / TP_BSIZE;
- if (spclpt->c_type == TS_TAPE) {
- if (spclpt->c_flags & DR_COMPRESSED)
+ if (spclpt.c_type == TS_TAPE) {
+ if (spclpt.c_flags & DR_COMPRESSED)
zflag = 1;
- if (spclpt->c_ntrec > ntrec)
+ if (spclpt.c_ntrec > ntrec)
errx(1, "Tape blocksize is too large, use "
- "\'-b %d\' ", spclpt->c_ntrec);
+ "\'-b %d\' ", spclpt.c_ntrec);
}
numtrec = ntrec;
Vprintf(stdout, "Tape block size is %ld\n", ntrec);
size = len;
while (size > 0) {
#ifdef RRESTORE
- if (host)
+ if (!Afile && host)
i = rmtread(buf, size);
else
#endif
if (mt < 0)
return;
#ifdef RRESTORE
- if (host)
+ if (!Afile && host)
rmtclose();
else
#endif
/* need to know if input is really from a tape */
#ifdef RRESTORE
if (host)
- magtapein = rmtioctl(MTNOP, 1) != -1;
+ magtapein = !lflag;
else
#endif
magtapein = ioctl(mt, MTIOCGET, (char *)&mt_stat) == 0;
}
- Vprintf(stdout,"Input is from %s\n", magtapein? "tape": "file/pipe");
+ Vprintf(stdout,"Input is from a %s %s\n",
+ host ? "remote" : "local",
+ magtapein ? "tape" :
+ Vflag ? "multi-volume (no tape)" : "file/pipe");
}
/*
*/
static int
gethead(struct s_spcl *buf)
+{
+ readtape((char *)buf);
+ return converthead(buf);
+}
+
+static int
+converthead(struct s_spcl *buf)
{
int32_t i;
union {
int32_t odi_ctime;
} c_dinode;
int32_t c_count;
- char c_addr[256];
+ char c_fill[256];
} s_ospcl;
} u_ospcl;
if (!cvtflag) {
- readtape((char *)buf);
if (buf->c_magic != NFS_MAGIC) {
if (swabi(buf->c_magic) != NFS_MAGIC)
return (FAIL);
if (checksum((int *)buf) == FAIL)
return (FAIL);
if (Bcvt)
- swabst((u_char *)"8i4s31i528bi192b2i", (u_char *)buf);
+ swabst((u_char *)"8i4s31i528bi192b3i", (u_char *)buf);
goto good;
}
- readtape((char *)(&u_ospcl.s_ospcl));
+ memcpy(&u_ospcl.s_ospcl, buf, TP_BSIZE);
memset((char *)buf, 0, (long)TP_BSIZE);
buf->c_type = u_ospcl.s_ospcl.c_type;
buf->c_date = u_ospcl.s_ospcl.c_date;
buf->c_dinode.di_gid = u_ospcl.s_ospcl.c_dinode.odi_gid;
buf->c_dinode.di_size = u_ospcl.s_ospcl.c_dinode.odi_size;
buf->c_dinode.di_rdev = u_ospcl.s_ospcl.c_dinode.odi_rdev;
-#ifdef __linux__
+#if defined(__linux__) || defined(sunos)
buf->c_dinode.di_atime.tv_sec = u_ospcl.s_ospcl.c_dinode.odi_atime;
buf->c_dinode.di_mtime.tv_sec = u_ospcl.s_ospcl.c_dinode.odi_mtime;
buf->c_dinode.di_ctime.tv_sec = u_ospcl.s_ospcl.c_dinode.odi_ctime;
-#else /* __linux__ */
+#else /* __linux__ || sunos */
buf->c_dinode.di_atime = u_ospcl.s_ospcl.c_dinode.odi_atime;
buf->c_dinode.di_mtime = u_ospcl.s_ospcl.c_dinode.odi_mtime;
buf->c_dinode.di_ctime = u_ospcl.s_ospcl.c_dinode.odi_ctime;
-#endif /* __linux__ */
+#endif /* __linux__ || sunos */
buf->c_count = u_ospcl.s_ospcl.c_count;
- memmove(buf->c_addr, u_ospcl.s_ospcl.c_addr, (long)256);
+ memmove(buf->c_addr, u_ospcl.s_ospcl.c_fill, (long)256);
if (u_ospcl.s_ospcl.c_magic != OFS_MAGIC ||
checksum((int *)(&u_ospcl.s_ospcl)) == FAIL)
return(FAIL);
(buf->c_dinode.di_mode & IFMT) == IFDIR && Qcvt == 0) {
qcvt.qval = buf->c_dinode.di_size;
if (qcvt.val[0] || qcvt.val[1]) {
- printf("Note: Doing Quad swapping\n");
+ Vprintf(stdout, "Note: Doing Quad swapping\n");
Qcvt = 1;
}
}
/* fall through */
case TS_END:
buf->c_inumber = 0;
+ if (buf->c_flags & DR_INODEINFO) {
+ memcpy(volinfo, buf->c_inos, TP_NINOS * sizeof(dump_ino_t));
+ if (Bcvt)
+ swabst((u_char *)"128i", (u_char *)volinfo);
+ }
break;
case TS_INODE:
return(GOOD);
}
+static void
+converttapebuf(struct tapebuf *tpb)
+{
+ if (Bcvt) {
+ struct tb {
+ unsigned int length:28;
+ unsigned int flags:3;
+ unsigned int compressed:1;
+ } tb;
+ swabst((u_char *)"i", (u_char *)tpb);
+ memcpy(&tb, tpb, 4);
+ tpb->length = tb.length;
+ tpb->flags = tb.flags;
+ tpb->compressed = tb.compressed;
+ }
+}
+
/*
* Check that a header is where it belongs and predict the next header
*/
static int
checksum(int *buf)
{
- register int i, j;
+ int i, j;
j = sizeof(union u_spcl) / sizeof(int);
i = 0;
* get the current position of the tape
*/
int
-GetTapePos(long *pos)
+GetTapePos(long long *pos)
{
int err = 0;
- *pos = 0;
- if (ioctl(mt, MTIOCPOS, pos) == -1) {
+#ifdef RDUMP
+ if (host) {
+ *pos = (long long) rmtseek(0, SEEK_CUR);
+ err = *pos < 0;
+ }
+ else
+#endif
+ {
+ if (magtapein) {
+ long mtpos;
+ *pos = 0;
+ err = (ioctl(mt, MTIOCPOS, &mtpos) < 0);
+ *pos = (long long)mtpos;
+ }
+ else {
+ *pos = LSEEK(mt, 0, SEEK_CUR);
+ err = (*pos < 0);
+ }
+ }
+ if (err) {
err = errno;
- fprintf(stdout, "[%ld] error: %d (getting tapepos: %ld)\n",
+ fprintf(stdout, "[%ld] error: %d (getting tapepos: %lld)\n",
(unsigned long)getpid(), err, *pos);
return err;
}
* go to specified position on tape
*/
int
-GotoTapePos(long pos)
+GotoTapePos(long long pos)
{
int err = 0;
- struct mt_pos buf;
- buf.mt_op = MTSEEK;
- buf.mt_count = pos;
- if (ioctl(mt, MTIOCTOP, &buf) == -1) {
+#ifdef RDUMP
+ if (host)
+ err = (rmtseek(pos, SEEK_SET) < 0);
+ else
+#endif
+ {
+ if (magtapein) {
+ struct mt_pos buf;
+ buf.mt_op = MTSEEK;
+ buf.mt_count = (int) pos;
+ err = (ioctl(mt, MTIOCTOP, &buf) < 0);
+ }
+ else {
+ pos = LSEEK(mt, pos, SEEK_SET);
+ err = (pos < 0);
+ }
+ }
+ if (err) {
err = errno;
- fprintf(stdout, "[%ld] error: %d (setting tapepos: %ld)\n",
+ fprintf(stdout, "[%ld] error: %d (setting tapepos: %lld)\n",
(unsigned long)getpid(), err, pos);
return err;
}
noresyncmesg = 0;
}
+void
+ReReadInodeFromTape(dump_ino_t theino)
+{
+ long cntloop = 0;
+
+ FLUSHTAPEBUF();
+ noresyncmesg = 1;
+ do {
+ cntloop++;
+ gethead(&spcl);
+ } while (!(spcl.c_inumber == theino && spcl.c_type == TS_INODE && spcl.c_date == dumpdate) && (cntloop < ntrec));
+#ifdef DEBUG_QFA
+ fprintf(stderr, "%ld reads\n", cntloop);
+ if (cntloop == ntrec) {
+ fprintf(stderr, "DEBUG: bufsize %d\n", bufsize);
+ fprintf(stderr, "DEBUG: ntrec %ld\n", ntrec);
+ }
+#endif
+ findinode(&spcl);
+ noresyncmesg = 0;
+}
+#endif /* USE_QFA */
+
void
RequestVol(long tnum)
{
FLUSHTAPEBUF();
getvol(tnum);
}
-#endif /* USE_QFA */