* 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@cybercable.fr>, 1999
+ * 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 1.6 1999/10/13 09:57:21 stelian Exp $";
+ "$Id: tape.c,v 1.100 2010/12/06 14:26:51 stelian Exp $";
#endif /* not lint */
+#include <config.h>
+#include <compatlfs.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <compaterr.h>
+#include <system.h>
+#include <setjmp.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
#include <sys/param.h>
#include <sys/file.h>
#include <sys/mtio.h>
#include <sys/stat.h>
+#include <sys/socket.h>
+#include <sys/un.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__ */
+#ifdef sunos
+#define quad_t int64_t
+#include <sys/time.h>
+#include <sys/fcntl.h>
+#include <bsdcompat.h>
+#else
#include <ufs/ufs/dinode.h>
+#endif
#endif /* __linux__ */
+#ifdef DUMP_MACOSX
+#include "darwin.h"
+#endif
#include <protocols/dumprestore.h>
-#include <errno.h>
-#include <compaterr.h>
-#include <setjmp.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
+#ifdef HAVE_ZLIB
+#include <zlib.h>
+#endif /* HAVE_ZLIB */
-#ifdef __linux__
-#include <ext2fs/ext2fs.h>
-#endif
+#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"
+#ifdef USE_QFA
+int noresyncmesg = 0;
+#endif /* USE_QFA */
static long fssize = MAXBSIZE;
static int mt = -1;
-static int pipein = 0;
-static char *magtape;
+int pipein = 0;
+static int magtapein = 0; /* input is from magtape */
+static char magtape[MAXPATHLEN];
+static char magtapeprefix[MAXPATHLEN];
static int blkcnt;
static int numtrec;
-static char *tapebuf;
+static char *tapebuf; /* input buffer for read */
+static int bufsize; /* buffer size without prefix */
+static char *tbufptr = NULL; /* active tape buffer */
+#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 union u_spcl endoftapemark;
static long blksread; /* blocks read since last header */
static long tpblksread = 0; /* TP_BSIZE blocks read */
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));
+#ifdef DUMP_MACOSX
+static void xtrfilefinderinfo __P((char *, size_t));
+#endif
+
static u_int swabi __P((u_int));
+#if 0
static u_long swabl __P((u_long));
+#endif
static u_char *swab64 __P((u_char *, int));
static u_char *swab32 __P((u_char *, int));
static u_char *swab16 __P((u_char *, int));
static void xtrmap __P((char *, size_t));
static void xtrmapskip __P((char *, size_t));
static void xtrskip __P((char *, size_t));
+static void xtrxattr __P((char *, size_t));
+static void setmagtapein __P((void));
+static int extractattr __P((char *));
+static void compareattr __P((char *));
+
+#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 *));
+static void readtape_comprtape __P((char *));
+static char *decompress_tapebuf __P((struct tapebuf *, int));
+static void msg_read_error __P((char *));
+#endif
+static int read_a_block __P((int, char *, size_t, long *));
+#define PREFIXSIZE sizeof(struct tapebuf)
+
+#define COMPARE_ONTHEFLY 1
+
+#if COMPARE_ONTHEFLY
+static int ifile; /* input file for compare */
+static int cmperror; /* compare error */
+static void xtrcmpfile __P((char *, size_t));
+static void xtrcmpskip __P((char *, size_t));
+#endif
static int readmapflag;
+static int readingmaps; /* set to 1 while reading the maps */
+
+static char xattrbuf[XATTR_MAXSIZE];
+static int xattrlen;
+
+#ifdef DUMP_MACOSX
+static DumpFinderInfo gFndrInfo;
+#endif
/*
- * Set up an input source
+ * Set up an input source. This is called from main.c before setup() is.
*/
void
setinput(char *source)
{
+ int i;
+ char *n;
+
FLUSHTAPEBUF();
if (bflag)
newtapebuf(ntrec);
terminal = stdin;
#ifdef RRESTORE
- if (strchr(source, ':')) {
- host = source;
- source = strchr(host, ':');
- *source++ = '\0';
- if (rmthost(host) == 0)
- exit(1);
+ if ((n = strchr(source, ':'))) {
+ for (i = 0; i < (n - source); i++) {
+ if (source[i] == '/')
+ break;
+ }
+ if (source[i] != '/') {
+ host = source;
+ source = strchr(host, ':');
+ *source++ = '\0';
+ if (rmthost(host) == 0)
+ exit(1);
+ }
} else
#endif
if (strcmp(source, "-") == 0) {
pipein++;
}
setuid(getuid()); /* no longer need or want root privileges */
- magtape = strdup(source);
- if (magtape == NULL)
- errx(1, "Cannot allocate space for magtape buffer");
+ if (Mflag) {
+ strncpy(magtapeprefix, source, MAXPATHLEN);
+ magtapeprefix[MAXPATHLEN-1] = '\0';
+ snprintf(magtape, MAXPATHLEN, "%s%03d", source, 1);
+ }
+ else
+ strncpy(magtape, source, MAXPATHLEN);
+ magtape[MAXPATHLEN - 1] = '\0';
}
void
static int tapebufsize = -1;
ntrec = size;
+ bufsize = ntrec * TP_BSIZE;
if (size <= tapebufsize)
return;
if (tapebuf != NULL)
free(tapebuf);
- tapebuf = malloc(size * TP_BSIZE);
+ tapebuf = malloc(size * TP_BSIZE + sizeof(struct tapebuf));
if (tapebuf == NULL)
errx(1, "Cannot allocate space for tape buffer");
tapebufsize = size;
}
+#if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
+static void
+newcomprbuf(int size)
+{
+ size_t buf_size = (size+1) * TP_BSIZE + sizeof(struct tapebuf);
+ if (buf_size <= comprlen)
+ return;
+ comprlen = buf_size;
+ if (comprbuf != NULL)
+ free(comprbuf);
+ comprbuf = malloc(comprlen);
+ if (comprbuf == NULL)
+ errx(1, "Cannot allocate space for decompress buffer");
+}
+#endif /* HAVE_ZLIB || HAVE_BZLIB || HAVE_LZO */
+
/*
* Verify that the tape drive can be accessed and
* that it actually is a dump tape.
void
setup(void)
{
- int i, j, *ip;
- struct stat stbuf;
+ 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;
- 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();
- if (!pipein && !bflag)
- findtapeblksize();
+ findtapeblksize();
+ cvtflag = 0;
if (gethead(&spcl) == FAIL) {
blkcnt--; /* push back this block */
blksread--;
errx(1, "Tape is not a dump tape");
fprintf(stderr, "Converting to new file system format.\n");
}
+
+ 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 */
+ }
if (pipein) {
endoftapemark.s_spcl.c_magic = cvtflag ? OFS_MAGIC : NFS_MAGIC;
endoftapemark.s_spcl.c_type = TS_END;
}
if (vflag || command == 't' || command == 'C')
printdumpinfo();
- if (filesys == NULL) {
- filesys = spcl.c_filesys;
+#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);
+ filesys[NAMELEN - 1] = '\0';
+ dirptr = strstr(filesys, " (dir");
+ if (dirptr != NULL)
+ *dirptr = '\0';
}
dumptime = spcl.c_ddate;
dumpdate = spcl.c_date;
- if (stat(".", &stbuf) < 0)
+ if (STAT(".", &stbuf) < 0)
err(1, "cannot stat .");
if (stbuf.st_blksize > 0 && stbuf.st_blksize < TP_BSIZE )
fssize = TP_BSIZE;
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", maxino);
map = calloc((unsigned)1, (unsigned)howmany(maxino, NBBY));
if (map == NULL)
- panic("no memory for active inode map\n");
+ errx(1, "no memory for active inode map");
usedinomap = map;
curfile.action = USING;
getfile(xtrmap, xtrmapskip);
- if (spcl.c_type != TS_BITS)
+ 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);
+ map = usedinomap;
+
+ 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) {
+ if (spcl.c_type == TS_END) {
+ msg("Cannot find file dump list, assuming empty tape\n");
+ exit(0);
+ }
errx(1, "Cannot find file dump list");
+ }
map = calloc((unsigned)1, (unsigned)howmany(maxino, NBBY));
if (map == (char *)NULL)
- panic("no memory for file dump list\n");
+ errx(1, "no memory for file dump list");
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, bot_code = 1;
if (nextvol == 1) {
tapesread = 0;
gettingfile = 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, BUFSIZ, terminal);
+ if (!fgets(buf, TP_BSIZE, terminal))
+ break;
} 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 /* USE_QFA */
return;
}
closemt();
- 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);
- (void) fflush(stderr);
- (void) fgets(buf, BUFSIZ, terminal);
- if (feof(terminal))
- exit(1);
- if (!strcmp(buf, "none\n")) {
- terminateinput();
- return;
+
+ /*
+ * 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 (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;
+ if (compare_errors)
+ fprintf(stderr, "%d compare errors so far\n", compare_errors);
+#ifdef sunos
+ fprintf(stderr, "Mount volume %ld\n", (long)newvol);
+#else
+ fprintf(stderr, "Mount tape volume %ld\n", (long)newvol);
+#endif
+ fprintf(stderr, "Enter ``none'' if there are no more tapes\n");
+#ifdef sunos
+ fprintf(stderr, "then enter volume name (default: %s) ", magtape);
+#else
+ fprintf(stderr, "otherwise enter tape name (default: %s) ", magtape);
+#endif
+ (void) fflush(stderr);
+ if (fgets(buf, TP_BSIZE, terminal))
+ exit(1);
+ if (feof(terminal))
+ exit(1);
+ if (!strcmp(buf, "none\n")) {
+ terminateinput();
+ 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';
+ }
}
- if (buf[0] != '\n') {
- (void) strcpy(magtape, buf);
- magtape[strlen(magtape) - 1] = '\0';
+#if defined(USE_QFA) && defined(sunos)
+ if (createtapeposflag || tapeposflag) {
+ if (OpenSMTCmt(magtape) < 0) {
+ volno = -1;
+ haderror = 1;
+ goto again;
+ }
}
+#endif /* USE_QFA */
#ifdef RRESTORE
if (host)
- mt = rmtopen(magtape, 0);
+ mt = rmtopen(magtape, O_RDONLY);
else
#endif
- mt = open(magtape, O_RDONLY, 0);
+ mt = OPEN(magtape, O_RDONLY, 0);
if (mt == -1) {
fprintf(stderr, "Cannot open %s\n", magtape);
volno = -1;
+ haderror = 1;
goto again;
}
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) {
-#ifdef __linux__
- fprintf(stderr, "Wrong dump date\n\tgot: %s",
- ctime4(&tmpbuf.c_date));
- fprintf(stderr, "\twanted: %s", ctime4(&dumpdate));
-#else
fprintf(stderr, "Wrong dump date\n\tgot: %s",
+#ifdef sunos
ctime(&tmpbuf.c_date));
- fprintf(stderr, "\twanted: %s", ctime(&dumpdate));
+#else
+ ctime4(&tmpbuf.c_date));
#endif
+ 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 &&
tcom.mt_op = MTFSF;
tcom.mt_count = dumpnum - 1;
#ifdef RRESTORE
- if (host)
- rmtioctl(MTFSF, dumpnum - 1);
- else
+ if (host) {
+ if (rmtioctl(MTFSF, dumpnum - 1) < 0) {
+ fprintf(stderr, "rmtioctl MTFSF: %s\n", strerror(errno));
+ exit(1);
+ }
+ } else
#endif
- if (ioctl(mt, (int)MTIOCTOP, (char *)&tcom) < 0)
- warn("ioctl MTFSF");
+ if (ioctl(mt, (int)MTIOCTOP, (char *)&tcom) < 0) {
+ fprintf(stderr, "rmtioctl MTFSF: %s\n", strerror(errno));
+ exit(1);
+ /* warn("ioctl MTFSF"); */
+ }
}
void
printdumpinfo(void)
{
-#ifdef __linux__
+#ifdef sunos
+ Vprintf(stdout, "Dump date: %s", ctime(&spcl.c_date));
+ Vprintf(stdout, "Dumped from: %s",
+ (spcl.c_ddate == 0) ? "the epoch\n" : ctime(&spcl.c_ddate));
+ if (spcl.c_host[0] == '\0')
+ return;
+ Vprintf(stdout, "Level %d dump of %s on %s:%s\n",
+ spcl.c_level, spcl.c_filesys, spcl.c_host, spcl.c_dev);
+ Vprintf(stdout, "Label: %s\n", spcl.c_label);
+#else
fprintf(stdout, "Dump date: %s", ctime4(&spcl.c_date));
fprintf(stdout, "Dumped from: %s",
(spcl.c_ddate == 0) ? "the epoch\n" : ctime4(&spcl.c_ddate));
-#else
- fprintf(stdout, "Dump date: %s", ctime(&spcl.c_date));
- fprintf(stdout, "Dumped from: %s",
- (spcl.c_ddate == 0) ? "the epoch\n" : ctime(&spcl.c_ddate));
-#endif
if (spcl.c_host[0] == '\0')
return;
- fprintf(stderr, "Level %d dump of %s on %s:%s\n",
+ fprintf(stdout, "Level %d dump of %s on %s:%s\n",
spcl.c_level, spcl.c_filesys, spcl.c_host, spcl.c_dev);
- fprintf(stderr, "Label: %s\n", spcl.c_label);
+ fprintf(stdout, "Label: %s\n", spcl.c_label);
+#endif
+}
+
+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]);
+ }
}
+
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;
return (FAIL);
case IFSOCK:
- Vprintf(stdout, "skipped socket %s\n", name);
+ {
+ uid_t luid = curfile.dip->di_uid;
+ gid_t lgid = curfile.dip->di_gid;
+
+ Vprintf(stdout, "extract socket %s\n", name);
skipfile();
+ if (Nflag)
+ return (GOOD);
+ if (! (spcl.c_flags & DR_METAONLY)) {
+ int sk;
+ struct sockaddr_un addr;
+
+ if (uflag)
+ (void)unlink(name);
+
+ if ((sk = socket(AF_UNIX, SOCK_DGRAM, 0)) < 0) {
+ warn("%s: cannot create socket", name);
+ return (FAIL);
+ }
+ addr.sun_family = AF_UNIX;
+ strcpy(addr.sun_path, name);
+ if (bind(sk, (const struct sockaddr *)&addr, sizeof(struct sockaddr_un)) < 0) {
+ warn("%s: cannot create socket", name);
+ return (FAIL);
+ }
+ close(sk);
+ }
+ if (chown(name, luid, lgid) < 0)
+ warn("%s: chown", name);
+ if (chmod(name, mode) < 0)
+ warn("%s: chmod", name);
+ extractattr(name);
+ utimes(name, timep);
+ if (flags)
+#ifdef __linux__
+ (void) lsetflags(name, flags);
+#else
+#ifdef sunos
+ {
+ warn("%s: cannot call chflags", name);
+ /* (void) chflags(name, flags); */
+ }
+#else
+ (void) chflags(name, flags);
+#endif
+#endif
return (GOOD);
+ }
case IFDIR:
+ {
+ int ret;
if (mflag) {
- ep = lookupname(name);
if (ep == NULL || ep->e_flags & EXTRACT)
panic("unextracted directory %s\n", name);
skipfile();
return (GOOD);
}
- Vprintf(stdout, "extract file %s\n", name);
- return (genliteraldir(name, curfile.ino));
+ Vprintf(stdout, "extract dir %s\n", name);
+ ret = genliteraldir(name, curfile.ino);
+ extractattr(name);
+ return ret;
+ }
case IFLNK:
- { uid_t luid = curfile.dip->di_uid;
+ {
+#ifdef HAVE_LCHOWN
+ uid_t luid = curfile.dip->di_uid;
gid_t lgid = curfile.dip->di_gid;
-
- lnkbuf[0] = '\0';
- pathlen = 0;
- getfile(xtrlnkfile, xtrlnkskip);
- if (pathlen == 0) {
- Vprintf(stdout,
- "%s: zero length symbolic link (ignored)\n", name);
- return (GOOD);
+#endif
+ 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);
- (void) chown(name, luid, lgid);
+ else
+ skipfile();
+
+#ifdef HAVE_LCHOWN
+ if (lchown(name, luid, lgid) < 0)
+ warn("%s: lchown", name);
+#endif
+ extractattr(name);
return (GOOD);
}
case IFIFO:
+ {
+ uid_t luid = curfile.dip->di_uid;
+ gid_t lgid = curfile.dip->di_gid;
+
Vprintf(stdout, "extract fifo %s\n", name);
- if (Nflag) {
- skipfile();
+ skipfile();
+ if (Nflag)
return (GOOD);
+ if (! (spcl.c_flags & DR_METAONLY)) {
+ if (uflag && !Nflag)
+ (void)unlink(name);
+ if (mkfifo(name, mode) < 0) {
+ warn("%s: cannot create fifo", name);
+ return (FAIL);
+ }
}
- 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);
+ if (chown(name, luid, lgid) < 0)
+ warn("%s: chown", name);
+ if (chmod(name, mode) < 0)
+ warn("%s: chmod", name);
+ extractattr(name);
+ utimes(name, timep);
if (flags)
#ifdef __linux__
- (void) fsetflags(name, flags);
+ (void) lsetflags(name, flags);
+#else
+#ifdef sunos
+ {
+ warn("%s: cannot call chflags", name);
+ /* (void) chflags(name, flags); */
+ }
#else
(void) chflags(name, flags);
#endif
- skipfile();
- utimes(name, timep);
+#endif
return (GOOD);
-
+ }
case IFCHR:
case IFBLK:
+ {
+ uid_t luid = curfile.dip->di_uid;
+ gid_t lgid = curfile.dip->di_gid;
+ int lrdev = (int)curfile.dip->di_rdev;
+
Vprintf(stdout, "extract special file %s\n", name);
- if (Nflag) {
- skipfile();
+ skipfile();
+ if (Nflag)
return (GOOD);
+ if (! (spcl.c_flags & DR_METAONLY)) {
+ if (uflag)
+ (void)unlink(name);
+ if (mknod(name, mode, lrdev) < 0) {
+ warn("%s: cannot create special file", name);
+ return (FAIL);
+ }
}
- 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);
+ if (chown(name, luid, lgid) < 0)
+ warn("%s: chown", name);
+ if (chmod(name, mode) < 0)
+ warn("%s: chmod", name);
+ extractattr(name);
+ utimes(name, timep);
if (flags)
#ifdef __linux__
{
- warn("%s: fsetflags called on a special file", name);
- (void) fsetflags(name, flags);
+ warn("%s: lsetflags called on a special file", name);
+ (void) lsetflags(name, flags);
+ }
+#else
+#ifdef sunos
+ {
+ warn("%s: cannot call chflags on a special file", name);
+ /* (void) chflags(name, flags); */
}
#else
+ {
+ warn("%s: chflags called on a special file", name);
(void) chflags(name, flags);
+ }
+#endif
#endif
- skipfile();
- utimes(name, timep);
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();
+ if (chown(name, luid, lgid) < 0)
+ warn("%s: chown", name);
+ if (chmod(name, mode) < 0)
+ warn("%s: chmod", name);
+ extractattr(name);
+ utimes(name, timep);
if (flags)
#ifdef __linux__
- (void) setflags(ofile, flags);
+ (void) lsetflags(name, flags);
+#else
+#ifdef sunos
+ {
+ warn("%s: cannot call chflags", name);
+ /* (void) chflags(name, flags); */
+ }
#else
- (void) fchflags(ofile, flags);
+ (void) chflags(name, flags);
+#endif
#endif
- getfile(xtrfile, xtrskip);
- (void) close(ofile);
- utimes(name, timep);
return (GOOD);
}
+ }
/* NOTREACHED */
}
-/*
- * skip over bit maps on the tape
- */
-void
-skipmaps(void)
+static int
+extractattr(char *path)
{
-
- while (spcl.c_type == TS_BITS || spcl.c_type == TS_CLRI)
- skipfile();
+ while (spcl.c_flags & DR_EXTATTRIBUTES) {
+ switch (spcl.c_extattributes) {
+ case EXT_MACOSFNDRINFO:
+#ifdef DUMP_MACOSX
+ (void)extractfinderinfoufs(path);
+#else
+ msg("MacOSX not supported in this version, skipping\n");
+ skipfile();
+#endif
+ break;
+ case EXT_MACOSRESFORK:
+#ifdef DUMP_MACOSX
+ (void)extractresourceufs(path);
+#else
+ msg("MacOSX not supported in this version, skipping\n");
+ skipfile();
+#endif
+ break;
+ case EXT_XATTR: {
+ char xattr[XATTR_MAXSIZE];
+
+ if (readxattr(xattr) == GOOD) {
+ xattr_extract(path, xattr);
+ break;
+ }
+ }
+ default:
+ msg("unexpected inode extension %ld, skipping\n", spcl.c_extattributes);
+ skipfile();
+ break;
+ }
+ }
+ return GOOD;
}
-/*
- * skip over a file on the tape
+#ifdef DUMP_MACOSX
+int
+extractfinderinfoufs(char *name)
+{
+ int err;
+ char oFileRsrc[MAXPATHLEN];
+ int flags;
+ mode_t mode;
+ struct timeval timep[2];
+ u_int32_t uid;
+ u_int32_t gid;
+ char path[MAXPATHLEN], fname[MAXPATHLEN];
+
+ curfile.name = name;
+ curfile.action = USING;
+ 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;
+ mode = curfile.dip->di_mode;
+ flags = curfile.dip->di_flags;
+ uid = curfile.dip->di_uid;
+ gid = curfile.dip->di_gid;
+
+ switch (mode & IFMT) {
+
+ default:
+ fprintf(stderr, "%s: (extr. finfoufs) unknown file mode 0%o\n", name, mode);
+ skipfile();
+ return (FAIL);
+
+ case IFDIR:
+ fprintf(stderr, "%s: (extr. finfoufs[IFDIR]) unknown file mode 0%o\n", name, mode);
+ skipfile();
+ return (FAIL);
+
+ case IFLNK:
+ skipfile();
+ return (GOOD);
+
+ case IFREG:
+ Vprintf(stdout, "extract finderinfo file %s\n", name);
+ if (Nflag) {
+ skipfile();
+ return (GOOD);
+ }
+ getfile(xtrfilefinderinfo, xtrskip);
+
+ GetPathFile(name, path, fname);
+ strcpy(oFileRsrc, path);
+ strcat(oFileRsrc, "._");
+ strcat(oFileRsrc, fname);
+
+ if ((err = CreateAppleDoubleFileRes(oFileRsrc, &gFndrInfo.fndrinfo,
+ mode, flags, timep, uid, gid)) != 0) {
+ fprintf(stderr, "%s: cannot create finderinfo: %s\n",
+ name, strerror(errno));
+ skipfile();
+ return (FAIL);
+ }
+ return (GOOD);
+ }
+ /* NOTREACHED */
+}
+
+
+int
+extractresourceufs(char *name)
+{
+ char oFileRsrc[MAXPATHLEN];
+ int flags;
+ mode_t mode;
+ struct timeval timep[2];
+ char path[MAXPATHLEN], fname[MAXPATHLEN];
+ ASDHeaderPtr hp;
+ ASDEntryPtr ep;
+ u_long loff;
+ u_int32_t uid;
+ u_int32_t gid;
+ u_int64_t di_size;
+ char *p;
+ char buf[1024];
+
+ curfile.name = name;
+ curfile.action = USING;
+ 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;
+ mode = curfile.dip->di_mode;
+ flags = curfile.dip->di_flags;
+ uid = curfile.dip->di_uid;
+ gid = curfile.dip->di_gid;
+ di_size = curfile.dip->di_size;
+
+ switch (mode & IFMT) {
+
+ default:
+ fprintf(stderr, "%s: (extr. resufs) unknown file mode 0%o\n", name, mode);
+ skipfile();
+ return (FAIL);
+
+ case IFDIR:
+ fprintf(stderr, "%s: (extr. resufs [IFDIR]) unknown file mode 0%o\n", name, mode);
+ skipfile();
+ return (FAIL);
+
+ case IFLNK:
+ skipfile();
+ return (GOOD);
+
+ case IFREG:
+ Vprintf(stdout, "extract resource file %s\n", name);
+ if (Nflag) {
+ skipfile();
+ return (GOOD);
+ }
+
+ GetPathFile(name, path, fname);
+ strcpy(oFileRsrc, path);
+ strcat(oFileRsrc, "._");
+ strcat(oFileRsrc, fname);
+
+ if ((ofile = open(oFileRsrc, O_RDONLY, 0)) < 0) {
+ fprintf(stderr, "%s: cannot read finderinfo: %s\n",
+ name, strerror(errno));
+ skipfile();
+ return (FAIL);
+ }
+ read(ofile, buf, 70);
+ (void) close(ofile);
+ p = buf;
+ hp = (ASDHeaderPtr)p;
+ /* the header */
+ hp->entries++;
+ p += sizeof(ASDHeader) - CORRECT;
+ ep = (ASDEntryPtr)p;
+ /* the finderinfo entry */
+ ep->offset += sizeof(ASDEntry);
+ loff = ep->offset;
+
+ p += sizeof(ASDEntry);
+ /* the finderinfo data */
+ bcopy(p, p + sizeof(ASDEntry), INFOLEN);
+ ep = (ASDEntryPtr)p;
+ /* the new resourcefork entry */
+ ep->entryID = EntryRSRCFork;
+ ep->offset = loff + INFOLEN;
+ ep->len = di_size;
+ /* write the new appledouble entries to the file */
+ if ((ofile = open(oFileRsrc, O_WRONLY | O_CREAT | O_TRUNC, 0666)) < 0) {
+ fprintf(stderr, "%s: cannot create resource file: %s\n",
+ name, strerror(errno));
+ skipfile();
+ return (FAIL);
+ }
+ write(ofile, buf, 70 + sizeof(ASDEntry));
+ /* and add the resource data from tape */
+ getfile(xtrfile, xtrskip);
+
+ if (fchown(ofile, uid, gid) < 0)
+ warn("%s: fchown", name);
+ if (fchmod(ofile, mode) < 0)
+ warn("%s: fchmod", name);
+ (void) close(ofile);
+ utimes(oFileRsrc, timep);
+ (void) lsetflags(oFileRsrc, flags);
+ return (GOOD);
+ }
+ /* NOTREACHED */
+}
+#endif /* DUMP_MACOSX */
+
+int
+readxattr(char *buffer)
+{
+ if (dflag)
+ msg("reading EA data for inode %lu\n", curfile.ino);
+
+ curfile.name = "EA block";
+ if (curfile.dip->di_size > XATTR_MAXSIZE) {
+ fprintf(stderr, "EA size too big (%ld)", (long)curfile.dip->di_size);
+ skipfile();
+ return (FAIL);
+ }
+
+ memset(xattrbuf, 0, XATTR_MAXSIZE);
+ xattrlen = 0;
+
+ /*
+ * ugly hack: cope with invalid spcl.c_addr[] records written by
+ * old versions of dump.
+ */
+ readmapflag = 1;
+
+ getfile(xtrxattr, xtrnull);
+
+ readmapflag = 0;
+
+ memcpy(buffer, xattrbuf, XATTR_MAXSIZE);
+
+ return (GOOD);
+}
+
+/*
+ * skip over bit maps on the tape
+ */
+void
+skipmaps(void)
+{
+
+ while (spcl.c_type == TS_BITS || spcl.c_type == TS_CLRI)
+ skipfile();
+}
+
+/*
+ * skip over a file on the tape
*/
void
skipfile(void)
getfile(xtrnull, xtrnull);
}
+/*
+ * skip over any extended attributes.
+ */
+void
+skipxattr(void)
+{
+
+ while (spcl.c_flags & DR_EXTATTRIBUTES)
+ skipfile();
+}
+
/*
* Extract a file from the tape.
* When an allocated block is found it is passed to the fill function;
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;
break;
}
}
- if (gethead(&spcl) == GOOD && size > 0) {
+ while (gethead(&spcl) != GOOD) {
+ fprintf(stderr, "Incorrect block for %s at %ld blocks\n",
+ curfile.name, (long)blksread);
+ }
+ if (size > 0) {
if (spcl.c_type == TS_ADDR)
goto loop;
Dprintf(stdout,
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) {
+ fprintf(stderr, "Missing blocks at the end of %s, assuming hole\n", curfile.name);
+ while (size > 0) {
+ size_t skp = size > TP_BSIZE ? TP_BSIZE : size;
+ (*skip)(clearedbuf, skp);
+ size -= skp;
+ }
+ last_write_was_hole = 1;
+ }
if (last_write_was_hole) {
- ftruncate(ofile, origsize);
+ if (FTRUNCATE(ofile, origsize) < 0)
+ warn("%s: ftruncate", curfile.name);
}
- findinode(&spcl);
+ if (!readingmaps)
+ findinode(&spcl);
gettingfile = 0;
}
(unsigned long)curfile.ino, curfile.name);
}
+#ifdef DUMP_MACOSX
+static void
+xtrfilefinderinfo(char *buf, size_t size)
+{
+ bcopy(buf, &gFndrInfo, size);
+}
+#endif /* DUMP_MACOSX */
+
/*
* Skip over a hole in a file.
*/
/* 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);
}
{
pathlen += size;
- if (pathlen > MAXPATHLEN)
+ if (pathlen > MAXPATHLEN) {
+ buf[size - 1] = '\0';
errx(1, "symbolic link name: %s->%s%s; too long %d",
curfile.name, lnkbuf, buf, pathlen);
+ }
(void) strcat(lnkbuf, buf);
+ lnkbuf[pathlen] = '\0';
}
/*
*/
/* 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 COMPARE_ONTHEFLY
+/*
+ * Compare the next block of a file.
+ */
+static void
+xtrcmpfile(char *buf, size_t size)
+{
+ static char cmpbuf[MAXBSIZE];
+
+ if (cmperror)
+ return;
+
+ if (read(ifile, cmpbuf, size) != (ssize_t)size) {
+ fprintf(stderr, "%s: size has changed.\n",
+ curfile.name);
+ cmperror = 1;
+ return;
+ }
+
+ if (memcmp(buf, cmpbuf, size) != 0) {
+ fprintf(stderr, "%s: tape and disk copies are different\n",
+ curfile.name);
+ cmperror = 1;
+ return;
+ }
+}
+
+/*
+ * Skip over a hole in a file.
+ */
+static void
+xtrcmpskip(UNUSED(char *buf), size_t size)
+{
+ static char cmpbuf[MAXBSIZE];
+ int i;
+
+ if (cmperror)
+ return;
+
+ if (read(ifile, cmpbuf, size) != (ssize_t)size) {
+ fprintf(stderr, "%s: size has changed.\n",
+ curfile.name);
+ cmperror = 1;
+ return;
+ }
+
+ for (i = 0; i < (int)size; ++i)
+ if (cmpbuf[i] != '\0') {
+ fprintf(stderr, "%s: tape and disk copies are different\n",
+ curfile.name);
+ cmperror = 1;
+ return;
+ }
+}
+#endif /* COMPARE_ONTHEFLY */
+
+static void
+xtrxattr(char *buf, size_t size)
+{
+ if (xattrlen + size > XATTR_MAXSIZE) {
+ fprintf(stderr, "EA size too big (%ld)", (long)xattrlen + size);
+ return;
+ }
+ memcpy(xattrbuf + xattrlen, buf, size);
+ xattrlen += size;
+}
+
+#if !COMPARE_ONTHEFLY
static int
-do_cmpfiles(int fd_tape, int fd_disk, long size)
+do_cmpfiles(int fd_tape, int fd_disk, OFF_T size)
{
static char buf_tape[BUFSIZ];
static char buf_disk[BUFSIZ];
#else
void
#endif
-cmpfiles(char *tapefile, char *diskfile, struct stat *sbuf_disk)
+cmpfiles(char *tapefile, char *diskfile, struct STAT *sbuf_disk)
{
- struct stat sbuf_tape;
+ struct STAT sbuf_tape;
int fd_tape, fd_disk;
- if (stat(tapefile, &sbuf_tape) != 0) {
- panic("Can't lstat tmp file %s: %s\n", tapefile,
+ if (STAT(tapefile, &sbuf_tape) != 0) {
+ panic("can't lstat tmp file %s: %s\n", tapefile,
strerror(errno));
+ 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);
+ "%s: size changed from %lld to %lld.\n",
+ diskfile, (long long)sbuf_tape.st_size, (long long)sbuf_disk->st_size);
+ do_compare_error;
#ifdef COMPARE_FAIL_KEEP_FILE
return (0);
#else
#endif
}
- if ((fd_tape = open(tapefile, O_RDONLY)) < 0) {
- panic("Can't open %s: %s\n", tapefile, strerror(errno));
+ if ((fd_tape = OPEN(tapefile, O_RDONLY)) < 0) {
+ panic("can't open %s: %s\n", tapefile, strerror(errno));
+ do_compare_error;
}
- if ((fd_disk = open(diskfile, O_RDONLY)) < 0) {
+ if ((fd_disk = OPEN(diskfile, O_RDONLY)) < 0) {
close(fd_tape);
- panic("Can't open %s: %s\n", diskfile, strerror(errno));
+ panic("can't open %s: %s\n", diskfile, strerror(errno));
+ do_compare_error;
}
if (do_cmpfiles(fd_tape, fd_disk, sbuf_tape.st_size)) {
diskfile);
close(fd_tape);
close(fd_disk);
+ do_compare_error;
#ifdef COMPARE_FAIL_KEEP_FILE
/* rename the file to live in /tmp */
/* rename `tapefile' to /tmp/<basename of diskfile> */
return (1);
#endif
}
+#endif /* !COMPARE_ONTHEFLY */
+
+static void
+compareattr(char *name)
+{
+ int xattr_done = 0;
+
+ while (spcl.c_flags & DR_EXTATTRIBUTES) {
+ switch (spcl.c_extattributes) {
+ case EXT_MACOSFNDRINFO:
+ msg("MacOSX not supported for comparision in this version, skipping\n");
+ skipfile();
+ break;
+ case EXT_MACOSRESFORK:
+ msg("MacOSX not supported for comparision in this version, skipping\n");
+ skipfile();
+ break;
+ case EXT_XATTR: {
+ char xattr[XATTR_MAXSIZE];
+ if (readxattr(xattr) == GOOD) {
+ if (xattr_compare(name, xattr) == FAIL)
+ do_compare_error;
+ xattr_done = 1;
+ }
+ else
+ do_compare_error;
+ break;
+ }
+ default:
+ msg("unexpected inode extension %ld, skipping\n", spcl.c_extattributes);
+ skipfile();
+ break;
+ }
+ }
+ if (!xattr_done && xattr_compare(name, NULL) == FAIL)
+ do_compare_error;
+}
+
+#if !COMPARE_ONTHEFLY
static char tmpfilename[MAXPATHLEN];
+#endif
void
comparefile(char *name)
{
- static char *tmpfile = NULL;
- int mode;
- struct stat sb, stemp;
+ mode_t mode;
+ uid_t uid;
+ uid_t gid;
+ unsigned int flags;
+ unsigned long newflags;
+ struct STAT sb;
int r;
+#if !COMPARE_ONTHEFLY
+ static char *tmpfile = NULL;
+ struct STAT stemp;
+#endif
+ curfile.name = name;
+ curfile.action = USING;
+ mode = curfile.dip->di_mode;
+ flags = curfile.dip->di_flags;
+ uid = curfile.dip->di_uid;
+ gid = curfile.dip->di_gid;
- if ((r = lstat(name, &sb)) != 0) {
- warn("%s: does not exist (%d)", name, r);
+ if ((mode & IFMT) == IFSOCK) {
+ Vprintf(stdout, "skipped socket %s\n", name);
skipfile();
return;
}
- curfile.name = name;
- curfile.action = USING;
- mode = curfile.dip->di_mode;
+ if ((r = LSTAT(name, &sb)) != 0) {
+ warn("unable to stat %s", name);
+ do_compare_error;
+ skipfile();
+ return;
+ }
- Vprintf(stdout, "comparing %s (size: %ld, mode: 0%o)\n", name,
- (long)sb.st_size, mode);
+ Vprintf(stdout, "comparing %s (size: %lld, mode: 0%o)\n", name,
+ (long 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);
+ do_compare_error;
+ }
+ if (sb.st_uid != uid) {
+ fprintf(stderr, "%s: uid changed from %d to %d.\n",
+ name, uid, sb.st_uid);
+ do_compare_error;
+ }
+ if (sb.st_gid != gid) {
+ fprintf(stderr, "%s: gid changed from %d to %d.\n",
+ name, gid, sb.st_gid);
+ do_compare_error;
+ }
+#ifdef __linux__
+ if (lgetflags(name, &newflags) < 0) {
+ if (flags != 0) {
+ warn("%s: lgetflags failed", name);
+ do_compare_error;
+ }
+ }
+ else {
+ if (newflags != flags) {
+ fprintf(stderr, "%s: flags changed from 0x%08x to 0x%08lx.\n",
+ name, flags, newflags);
+ do_compare_error;
+ }
+ }
+#endif
+ if (spcl.c_flags & DR_METAONLY) {
+ skipfile();
+ return;
}
switch (mode & IFMT) {
default:
case IFDIR:
skipfile();
+ compareattr(name);
return;
case IFLNK: {
if (!(sb.st_mode & S_IFLNK)) {
fprintf(stderr, "%s: is no longer a symbolic link\n",
name);
+ do_compare_error;
return;
}
lnkbuf[0] = '\0';
fprintf(stderr,
"%s: zero length symbolic link (ignored)\n",
name);
+ do_compare_error;
return;
}
if ((lsize = readlink(name, lbuf, MAXPATHLEN)) < 0) {
- panic("readlink of %s failed: %s", name,
+ panic("readlink of %s failed: %s\n", name,
strerror(errno));
+ 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);
+ do_compare_error;
return;
}
+ compareattr(name);
return;
}
if (!(sb.st_mode & (S_IFCHR|S_IFBLK))) {
fprintf(stderr, "%s: no longer a special file\n",
name);
+ 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 >> 8) & 0xff,
- (int)curfile.dip->di_rdev & 0xff,
- ((int)sb.st_rdev >> 8) & 0xff,
- (int)sb.st_rdev & 0xff);
+ major(curfile.dip->di_rdev),
+ minor(curfile.dip->di_rdev),
+ major(sb.st_rdev),
+ minor(sb.st_rdev));
+ do_compare_error;
}
skipfile();
+ compareattr(name);
return;
case IFREG:
+#if COMPARE_ONTHEFLY
+ if ((ifile = OPEN(name, O_RDONLY)) < 0) {
+ warn("can't open %s", name);
+ skipfile();
+ do_compare_error;
+ }
+ else {
+ cmperror = 0;
+ getfile(xtrcmpfile, xtrcmpskip);
+ if (!cmperror) {
+ char c;
+ if (read(ifile, &c, 1) != 0) {
+ fprintf(stderr, "%s: size has changed.\n",
+ name);
+ cmperror = 1;
+ }
+ }
+ if (cmperror)
+ do_compare_error;
+ close(ifile);
+ }
+#else
if (tmpfile == NULL) {
/* argument to mktemp() must not be in RO space: */
snprintf(tmpfilename, sizeof(tmpfilename), "%s/restoreCXXXXXX", tmpdir);
tmpfile = mktemp(&tmpfilename[0]);
}
- if ((stat(tmpfile, &stemp) == 0) && (unlink(tmpfile) != 0)) {
+ if ((STAT(tmpfile, &stemp) == 0) && (unlink(tmpfile) != 0)) {
panic("cannot delete tmp file %s: %s\n",
tmpfile, strerror(errno));
}
- if ((ofile = creat(tmpfile, 0600)) < 0) {
+ if ((ofile = OPEN(tmpfile, O_WRONLY | O_CREAT | O_TRUNC, 0600)) < 0) {
panic("cannot create file temp file %s: %s\n",
name, strerror(errno));
}
cmpfiles(tmpfile, name, &sb);
unlink(tmpfile);
#endif
+#endif /* COMPARE_ONTHEFLY */
+ compareattr(name);
return;
}
/* NOTREACHED */
}
+#if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
+static void (*readtape_func)(char *) = readtape_set;
+
/*
* Read TP_BSIZE blocks from the input.
* Handle read errors, and end of media.
+ * Decompress compressed blocks.
*/
static void
readtape(char *buf)
+{
+ (*readtape_func)(buf); /* call the actual processing routine */
+}
+
+/*
+ * Set function pointer for readtape() routine. zflag and magtapein must
+ * be correctly set before the first call to readtape().
+ */
+static void
+readtape_set(char *buf)
+{
+ if (!zflag)
+ readtape_func = readtape_uncompr;
+ else {
+ newcomprbuf(ntrec);
+ if (magtapein)
+ readtape_func = readtape_comprtape;
+ else
+ readtape_func = readtape_comprfile;
+ }
+ readtape(buf);
+}
+
+#endif /* HAVE_ZLIB || HAVE_BZLIB || HAVE_LZO */
+
+/*
+ * This is the original readtape(), it's used for reading uncompressed input.
+ * Read TP_BSIZE blocks from the input.
+ * Handle read errors, and end of media.
+ */
+static void
+#if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
+readtape_uncompr(char *buf)
+#else
+readtape(char *buf)
+#endif
{
ssize_t rd, newvol, i;
int cnt, seek_failed;
if (blkcnt < numtrec) {
- memmove(buf, &tapebuf[(blkcnt++ * TP_BSIZE)], TP_BSIZE);
+ memmove(buf, &tbufptr[(blkcnt++ * TP_BSIZE)], TP_BSIZE);
blksread++;
tpblksread++;
return;
}
+ tbufptr = tapebuf;
for (i = 0; i < ntrec; i++)
((struct s_spcl *)&tapebuf[i * TP_BSIZE])->c_magic = 0;
if (numtrec == 0)
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 = read(mt, &tapebuf[rd], cnt);
+
/*
* Check for mid-tape short read error.
* If found, skip rest of buffer and start with the next.
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)
- err(1, "continuation failed");
+ if (seek_failed) {
+ warn("continuation failed");
+ if (!yflag && !reply("assume end-of-tape and continue"))
+ exit(1);
+ i = 0;
+ }
}
/*
* Handle end of tape.
memmove(&tapebuf[rd], &endoftapemark, TP_BSIZE);
}
blkcnt = 0;
- memmove(buf, &tapebuf[(blkcnt++ * TP_BSIZE)], TP_BSIZE);
+ memmove(buf, &tbufptr[(blkcnt++ * TP_BSIZE)], TP_BSIZE);
blksread++;
tpblksread++;
}
+#if defined(HAVE_ZLIB) || defined(HAVE_BZLIB) || defined(HAVE_LZO)
+
+/*
+ * Read a compressed format block from a file or pipe and uncompress it.
+ * Attempt to handle read errors, and end of file.
+ */
static void
-findtapeblksize(void)
+readtape_comprfile(char *buf)
{
- register long i;
+ long rl, size, i, ret;
+ int newvol;
+ struct tapebuf *tpb;
+ if (blkcnt < numtrec) {
+ memmove(buf, &tbufptr[(blkcnt++ * TP_BSIZE)], TP_BSIZE);
+ blksread++;
+ tpblksread++;
+ return;
+ }
+ /* need to read the next block */
+ tbufptr = tapebuf;
for (i = 0; i < ntrec; i++)
((struct s_spcl *)&tapebuf[i * TP_BSIZE])->c_magic = 0;
+ numtrec = ntrec;
+ tpb = (struct tapebuf *) tapebuf;
+
+ /* 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;
+
+ /* read the data */
+ size = tpb->length;
+ if (size > bufsize) {
+ /* something's wrong */
+ Vprintf(stdout, "Prefix size error, max size %d, got %ld\n",
+ bufsize, size);
+ size = bufsize;
+ tpb->length = bufsize;
+ }
+ ret = read_a_block(mt, tpb->buf, size, &rl);
+ if (ret <= 0)
+ goto readerr;
+
+ tbufptr = decompress_tapebuf(tpb, rl + PREFIXSIZE);
+ if (tbufptr == NULL) {
+ msg_read_error("File decompression error while");
+ if (!yflag && !reply("continue"))
+ exit(1);
+ memset(tapebuf, 0, bufsize);
+ tbufptr = tapebuf;
+ }
+
blkcnt = 0;
+ memmove(buf, &tbufptr[(blkcnt++ * TP_BSIZE)], TP_BSIZE);
+ blksread++;
+ tpblksread++;
+ return;
+
+readerr:
+ /* Errors while reading from a file or pipe are catastrophic. Since
+ * there are no block boundaries, it's impossible to bypass the
+ * block in error and find the start of the next block.
+ */
+ if (ret == 0) {
+ /* It's possible to have multiple input files using -M
+ * and -f file1,file2...
+ */
+ Vprintf(stdout, "End-of-File encountered\n");
+ if (!pipein) {
+ newvol = volno + 1;
+ volno = 0;
+ numtrec = 0;
+ getvol(newvol);
+ readtape(buf);
+ return;
+ }
+ }
+ msg_read_error("Read error while");
+ /* if (!yflag && !reply("continue")) */
+ exit(1);
+}
+
+/*
+ * Read compressed data from a tape and uncompress it.
+ * Handle read errors, and end of media.
+ * Since a tape consists of separate physical blocks, we try
+ * to recover from errors by repositioning the tape to the next
+ * block.
+ */
+static void
+readtape_comprtape(char *buf)
+{
+ long rl, size, i;
+ int ret, newvol;
+ struct tapebuf *tpb;
+ struct mtop tcom;
+
+ if (blkcnt < numtrec) {
+ memmove(buf, &tbufptr[(blkcnt++ * TP_BSIZE)], TP_BSIZE);
+ blksread++;
+ tpblksread++;
+ return;
+ }
+ /* need to read the next block */
+ tbufptr = tapebuf;
+ for (i = 0; i < ntrec; i++)
+ ((struct s_spcl *)&tapebuf[i * TP_BSIZE])->c_magic = 0;
+ numtrec = ntrec;
+ tpb = (struct tapebuf *) tapebuf;
+
+ /* read the block */
+ size = bufsize + PREFIXSIZE;
+ ret = read_a_block(mt, tapebuf, size, &rl);
+ if (ret <= 0)
+ goto readerr;
+
+ converttapebuf(tpb);
+ tbufptr = decompress_tapebuf(tpb, rl);
+ if (tbufptr == NULL) {
+ msg_read_error("Tape decompression error while");
+ if (!yflag && !reply("continue"))
+ exit(1);
+ memset(tapebuf, 0, PREFIXSIZE + bufsize);
+ tbufptr = tapebuf;
+ }
+ goto moverecord;
+
+readerr:
+ /* Handle errors: EOT switches to the next volume, other errors
+ * attempt to position the tape to the next block.
+ */
+ if (ret == 0) {
+ Vprintf(stdout, "End-of-tape encountered\n");
+ newvol = volno + 1;
+ volno = 0;
+ numtrec = 0;
+ getvol(newvol);
+ readtape(buf);
+ return;
+ }
+
+ msg_read_error("Tape read error while");
+ if (!yflag && !reply("continue"))
+ exit(1);
+ memset(tapebuf, 0, PREFIXSIZE + bufsize);
+ tbufptr = tapebuf;
+
#ifdef RRESTORE
if (host)
- i = rmtread(tapebuf, (size_t)(ntrec * TP_BSIZE));
+ rl = rmtioctl(MTFSR, 1);
else
#endif
- i = read(mt, tapebuf, (size_t)(ntrec * TP_BSIZE));
+ {
+ tcom.mt_op = MTFSR;
+ tcom.mt_count = 1;
+ rl = ioctl(mt, MTIOCTOP, &tcom);
+ }
+
+ if (rl < 0) {
+ warn("continuation failed");
+ if (!yflag && !reply("assume end-of-tape and continue"))
+ exit(1);
+ ret = 0; /* end of tape */
+ goto readerr;
+ }
+
+moverecord:
+ blkcnt = 0;
+ memmove(buf, &tbufptr[(blkcnt++ * TP_BSIZE)], TP_BSIZE);
+ blksread++;
+ tpblksread++;
+}
+
+/*
+ * Decompress a struct tapebuf into a buffer. readsize is the size read
+ * from the tape/file and is used for error messages. Returns a pointer
+ * to the location of the uncompressed buffer or NULL on errors.
+ * Adjust numtrec and complain for a short block.
+ */
+static char *
+decompress_tapebuf(struct tapebuf *tpbin, int readsize)
+{
+ /* If zflag is on, all blocks have a struct tapebuf prefix */
+ /* zflag gets set in setup() from the dump header */
+ int cresult, blocklen;
+ unsigned long worklen;
+ char *output = NULL,*reason = NULL, *lengtherr = NULL;
+
+ /* build a length error message */
+ blocklen = tpbin->length;
+ if (readsize < blocklen + (int)PREFIXSIZE)
+ lengtherr = "short";
+ else
+ if (readsize > blocklen + (int)PREFIXSIZE)
+ lengtherr = "long";
+
+ worklen = comprlen;
+ cresult = 1;
+ if (tpbin->compressed) {
+ /* uncompress whatever we read, if it fails, complain later */
+ 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
+ unsigned int 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
+ lzo_uint worklen2 = worklen;
+ cresult = lzo1x_decompress(tpbin->buf, blocklen,
+ comprbuf, &worklen2, NULL);
+ worklen = worklen2;
+ 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;
+ }
+ 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: %lu\n",
+ lengtherr, readsize, (unsigned long)tpbin->length + PREFIXSIZE);
+ fprintf(stderr, "decompression error, block %ld: %s\n",
+ tpblksread+1, reason);
+ if (!cresult)
+ output = NULL;
+ }
+ return output;
+}
+
+/*
+ * Print an error message for a read error.
+ * This was exteracted from the original readtape().
+ */
+static void
+msg_read_error(char *m)
+{
+ switch (curfile.action) {
+ default:
+ fprintf(stderr, "%s trying to set up tape\n", m);
+ break;
+ case UNKNOWN:
+ fprintf(stderr, "%s trying to resynchronize\n", m);
+ break;
+ case USING:
+ fprintf(stderr, "%s restoring %s\n", m, curfile.name);
+ break;
+ case SKIP:
+ fprintf(stderr, "%s skipping over inode %lu\n", m,
+ (unsigned long)curfile.ino);
+ break;
+ }
+}
+#endif /* HAVE_ZLIB || HAVE_BZLIB || HAVE_LZO */
+
+/*
+ * Read the first block and get the blocksize from it. Test
+ * for a compressed dump tape/file. setup() will make the final
+ * determination by checking the compressed flag if gethead()
+ * finds a valid header. The test here is necessary to offset the buffer
+ * by the size of the compressed prefix. zflag is set here so that
+ * readtape_set can set the correct function pointer for readtape().
+ * Note that the first block of each tape/file is not compressed
+ * and does not have a prefix.
+ */
+static void
+findtapeblksize(void)
+{
+ long i;
+ size_t len;
+ struct tapebuf *tpb = (struct tapebuf *) tapebuf;
+ struct s_spcl spclpt;
+
+ for (i = 0; i < ntrec; i++)
+ ((struct s_spcl *)&tapebuf[i * TP_BSIZE])->c_magic = 0;
+ blkcnt = 0;
+ tbufptr = tapebuf;
+ /*
+ * For a pipe or file, read in the first record. For a tape, read
+ * the first block.
+ */
+ len = magtapein ? ntrec * TP_BSIZE : TP_BSIZE;
+
+ if (read_a_block(mt, tapebuf, len, &i) <= 0)
+ errx(1, "Tape read error on first record");
+
+ memcpy(&spclpt, tapebuf, TP_BSIZE);
+ cvtflag = 0;
+ 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
+ * we need to read in the rest of the block, as determined
+ * by c_ntrec in the dump header. The first block of the
+ * dump is not compressed and does not have a prefix.
+ */
+ if (!magtapein) {
+ 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)
+ errx(1, "Tape blocksize is too large, use "
+ "\'-b %d\' ", spclpt.c_ntrec);
+ ntrec = spclpt.c_ntrec;
+ len = (ntrec - 1) * TP_BSIZE;
+ zflag = 1;
+ }
+ else {
+ /* read in the rest of the block based on bufsize */
+ len = bufsize - TP_BSIZE;
+ }
+ if (read_a_block(mt, tapebuf+TP_BSIZE, len, &i) < 0
+ || (i != (long)len && i % TP_BSIZE != 0))
+ errx(1,"Error reading dump file header");
+ tbufptr = tapebuf;
+ numtrec = ntrec;
+ Vprintf(stdout, "Input block size is %ld\n", ntrec);
+ return;
+ } /* if (!magtapein) */
- if (i <= 0)
- err(1, "tape read error");
- if (i % TP_BSIZE != 0)
- errx(1, "Tape block size (%ld) is not a multiple of dump block size (%d)",
- (long)i, TP_BSIZE);
+ /*
+ * If the input is a tape, we tried to read ntrec * TP_BSIZE bytes.
+ * If the value of ntrec is too large, we read less than
+ * 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 */
+ 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) {
+ zflag = 1;
+ tbufptr = tpb->buf;
+ if (tpb->length > bufsize)
+ errx(1, "Tape blocksize is too large, use "
+ "\'-b %d\' ", tpb->length / TP_BSIZE);
+ }
+ else
+ errx(1, "Tape block size (%ld) is not a multiple of dump block size (%d)",
+ i, TP_BSIZE);
+ }
ntrec = i / TP_BSIZE;
+ if (spclpt.c_type == TS_TAPE) {
+ if (spclpt.c_flags & DR_COMPRESSED)
+ zflag = 1;
+ if (spclpt.c_ntrec > ntrec)
+ errx(1, "Tape blocksize is too large, use "
+ "\'-b %d\' ", spclpt.c_ntrec);
+ }
numtrec = ntrec;
Vprintf(stdout, "Tape block size is %ld\n", ntrec);
}
+/*
+ * Read a block of data handling all of the messy details.
+ */
+static int read_a_block(int fd, char *buf, size_t len, long *lengthread)
+{
+ long i = 1, size;
+
+ size = len;
+ while (size > 0) {
+#ifdef RRESTORE
+ if (!Afile && host)
+ i = rmtread(buf, size);
+ else
+#endif
+ i = read(fd, buf, size);
+
+ if (i <= 0)
+ break; /* EOD or error */
+ size -= i;
+ if (magtapein)
+ break; /* block at a time for mt */
+ buf += i;
+ }
+ *lengthread = len - size;
+ return i;
+}
+
void
closemt(void)
{
if (mt < 0)
return;
#ifdef RRESTORE
- if (host)
+ if (!Afile && host)
rmtclose();
else
#endif
(void) close(mt);
}
+static void
+setmagtapein(void) {
+ struct mtget mt_stat;
+ static int done = 0;
+ if (done)
+ return;
+ done = 1;
+ if (!pipein) {
+ /* need to know if input is really from a tape */
+#ifdef RRESTORE
+ if (host)
+ magtapein = !lflag;
+ else
+#endif
+ magtapein = ioctl(mt, MTIOCGET, (char *)&mt_stat) == 0;
+ }
+
+ Vprintf(stdout,"Input is from a %s %s\n",
+ host ? "remote" : "local",
+ magtapein ? "tape" :
+ Vflag ? "multi-volume (no tape)" : "file/pipe");
+}
+
/*
* Read the next block from the tape.
* Check to see if it is one of several vintage headers.
*/
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 *)"8i4s1l29i528bi192b4i", (u_char *)buf);
goto good;
}
- readtape((char *)(&u_ospcl.s_ospcl));
- 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_ddate = u_ospcl.s_ospcl.c_ddate;
- buf->c_volume = u_ospcl.s_ospcl.c_volume;
- buf->c_tapea = u_ospcl.s_ospcl.c_tapea;
- buf->c_inumber = u_ospcl.s_ospcl.c_inumber;
- buf->c_checksum = u_ospcl.s_ospcl.c_checksum;
- buf->c_magic = u_ospcl.s_ospcl.c_magic;
- buf->c_dinode.di_mode = u_ospcl.s_ospcl.c_dinode.odi_mode;
- buf->c_dinode.di_nlink = u_ospcl.s_ospcl.c_dinode.odi_nlink;
- buf->c_dinode.di_uid = u_ospcl.s_ospcl.c_dinode.odi_uid;
- 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__
- 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__ */
- 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__ */
- buf->c_count = u_ospcl.s_ospcl.c_count;
- memmove(buf->c_addr, u_ospcl.s_ospcl.c_addr, (long)256);
- if (u_ospcl.s_ospcl.c_magic != OFS_MAGIC ||
- checksum((int *)(&u_ospcl.s_ospcl)) == FAIL)
+ memcpy(&u_ospcl.s_ospcl, buf, TP_BSIZE);
+ if (checksum((int *)(&u_ospcl.s_ospcl)) == FAIL)
+ return(FAIL);
+ if (u_ospcl.s_ospcl.c_magic == OFS_MAGIC) {
+ 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_ddate = u_ospcl.s_ospcl.c_ddate;
+ buf->c_volume = u_ospcl.s_ospcl.c_volume;
+ buf->c_tapea = u_ospcl.s_ospcl.c_tapea;
+ buf->c_inumber = u_ospcl.s_ospcl.c_inumber;
+ buf->c_checksum = u_ospcl.s_ospcl.c_checksum;
+ buf->c_magic = u_ospcl.s_ospcl.c_magic;
+ buf->c_dinode.di_mode = u_ospcl.s_ospcl.c_dinode.odi_mode;
+ buf->c_dinode.di_nlink = u_ospcl.s_ospcl.c_dinode.odi_nlink;
+ buf->c_dinode.di_uid = u_ospcl.s_ospcl.c_dinode.odi_uid;
+ 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;
+#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__ || 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__ || sunos */
+ buf->c_count = u_ospcl.s_ospcl.c_count;
+ memmove(buf->c_addr, u_ospcl.s_ospcl.c_fill, (long)256);
+ }
+ else if (u_ospcl.s_ospcl.c_magic == FS_UFS2_MAGIC) {
+ buf->c_date = (int32_t)(*(int64_t *)&u_ospcl.dummy[896]);
+ buf->c_ddate = (int32_t)(*(int64_t *)&u_ospcl.dummy[904]);
+ buf->c_tapea = (int32_t)(*(int64_t *)&u_ospcl.dummy[912]);
+ buf->c_firstrec = (int32_t)(*(int64_t *)&u_ospcl.dummy[920]);
+ buf->c_ntrec = 0;
+ buf->c_extattributes = 0;
+ buf->c_flags |= DR_NEWINODEFMT;
+ ufs2flag = 1;
+ }
+ else
return(FAIL);
buf->c_magic = NFS_MAGIC;
(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 void
accthdr(struct s_spcl *header)
{
- static ino_t previno = 0x7fffffff;
+ static dump_ino_t previno = 0x7fffffff;
static int prevtype;
static long predict;
long blks, i;
fprintf(stderr, "File header, ino %lu", (unsigned long)previno);
break;
case TS_ADDR:
- fprintf(stderr, "File continuation header, ino %ld", previno);
+ fprintf(stderr, "File continuation header, ino %ld", (long)previno);
break;
case TS_END:
fprintf(stderr, "End of tape header");
}
} while (header->c_type == TS_ADDR);
if (skipcnt > 0)
- fprintf(stderr, "resync restore, skipped %ld blocks\n",
- skipcnt);
+#ifdef USE_QFA
+ if (!noresyncmesg)
+#endif
+ fprintf(stderr, "resync restore, skipped %ld blocks\n",
+ skipcnt);
skipcnt = 0;
}
static int
checksum(int *buf)
{
- register int i, j;
+ int i, j;
j = sizeof(union u_spcl) / sizeof(int);
i = 0;
return (x);
}
+#if 0
static u_long
swabl(u_long x)
{
swabst((u_char *)"l", (u_char *)&x);
return (x);
}
+#endif
+
+void
+RequestVol(long tnum)
+{
+ FLUSHTAPEBUF();
+ getvol(tnum);
+}
+
+#ifdef USE_QFA
+#ifdef sunos
+extern int fdsmtc;
+
+struct uscsi_cmd {
+ int uscsi_flags; /* read, write, etc. see below */
+ short uscsi_status; /* resulting status */
+ short uscsi_timeout; /* Command Timeout */
+ caddr_t uscsi_cdb; /* cdb to send to target */
+ caddr_t uscsi_bufaddr; /* i/o source/destination */
+ u_int uscsi_buflen; /* size of i/o to take place */
+ u_int uscsi_resid; /* resid from i/o operation */
+ u_char uscsi_cdblen; /* # of valid cdb bytes */
+ u_char uscsi_rqlen; /* size of uscsi_rqbuf */
+ u_char uscsi_rqstatus; /* status of request sense cmd */
+ u_char uscsi_rqresid; /* resid of request sense cmd */
+ caddr_t uscsi_rqbuf; /* request sense buffer */
+ void *uscsi_reserved_5; /* Reserved for Future Use */
+};
+
+#define CDB_GROUP0 6 /* 6-byte cdb's */
+#define CDB_GROUP1 10 /* 10-byte cdb's */
+#define CDB_GROUP2 10 /* 10-byte cdb's */
+#define CDB_GROUP3 0 /* reserved */
+#define CDB_GROUP4 16 /* 16-byte cdb's */
+#define CDB_GROUP5 12 /* 12-byte cdb's */
+#define CDB_GROUP6 0 /* reserved */
+#define CDB_GROUP7 0 /* reserved */
+
+#define USCSI_WRITE 0x00000 /* send data to device */
+#define USCSI_SILENT 0x00001 /* no error messages */
+#define USCSI_DIAGNOSE 0x00002 /* fail if any error occurs */
+#define USCSI_ISOLATE 0x00004 /* isolate from normal commands */
+#define USCSI_READ 0x00008 /* get data from device */
+#define USCSI_RESET 0x04000 /* Reset target */
+#define USCSI_RESET_ALL 0x08000 /* Reset all targets */
+#define USCSI_RQENABLE 0x10000 /* Enable Request Sense extensions */
+
+#define USCSIIOC (0x04 << 8)
+#define USCSICMD (USCSIIOC|201) /* user scsi command */
+
+#define USCSI_TIMEOUT 30
+#define USCSI_SHORT_TIMEOUT 900
+#define USCSI_LONG_TIMEOUT 14000
+
+#define B(s,i) ((unsigned char)((s) >> i))
+#define B1(s) ((unsigned char)(s))
+
+#define MSB4(s,v) *(s)=B(v,24),(s)[1]=B(v,16), (s)[2]=B(v,8), (s)[3]=B1(v)
+
+
+int
+GetTapePos(long long *pos)
+{
+ int err = 0;
+ struct uscsi_cmd scmd;
+ char buf[512];
+ char parm[512 * 8];
+ long lpos;
+
+ (void)memset((void *)buf, 0, sizeof(buf));
+ (void)memset((void *)&scmd, 0, sizeof(scmd));
+ scmd.uscsi_flags = USCSI_READ|USCSI_SILENT;
+ scmd.uscsi_timeout = USCSI_TIMEOUT;
+ scmd.uscsi_cdb = buf;
+ scmd.uscsi_cdblen = CDB_GROUP1;
+ buf[0] = 0x34; /* read position */
+ buf[1] = 0;
+ (void)memset((void *)parm, 0, 512);
+ scmd.uscsi_bufaddr = parm;
+ scmd.uscsi_buflen = 56;
+ if (ioctl(fdsmtc, USCSICMD, &scmd) == -1) {
+ err = errno;
+ return err;
+ }
+ (void)memcpy(&lpos, &parm[4], sizeof(long));
+ *pos = lpos;
+ return err;
+}
+
+int
+GotoTapePos(long long pos)
+{
+ int err = 0;
+ struct uscsi_cmd scmd;
+ char buf[512];
+ char parm[512 * 8];
+ long lpos = (long)pos;
+
+ (void)memset((void *)buf, 0, sizeof(buf));
+ (void)memset((void *)&scmd, 0, sizeof(scmd));
+ scmd.uscsi_flags = USCSI_WRITE|USCSI_SILENT;
+ scmd.uscsi_timeout = 360; /* 5 Minutes */
+ scmd.uscsi_cdb = buf;
+ scmd.uscsi_cdblen = CDB_GROUP1;
+ buf[0] = 0x2b; /* locate */
+ buf[1] = 0;
+ MSB4(&buf[3], lpos);
+ (void)memset((void *)parm, 0, 512);
+ scmd.uscsi_bufaddr = NULL;
+ scmd.uscsi_buflen = 0;
+ if (ioctl(fdsmtc, USCSICMD, &scmd) == -1) {
+ err = errno;
+ return err;
+ }
+ return err;
+}
+#endif
+
+#define LSEEK_GET_TAPEPOS 10
+#define LSEEK_GO2_TAPEPOS 11
+
+#ifdef __linux__
+typedef struct mt_pos {
+ short mt_op;
+ int mt_count;
+} MTPosRec, *MTPosPtr;
+
+
+/*
+ * get the current position of the tape
+ */
+int
+GetTapePos(long long *pos)
+{
+ int err = 0;
+
+#ifdef RDUMP
+ if (host) {
+ *pos = (long long) rmtseek((OFF_T)0, (int)LSEEK_GET_TAPEPOS);
+ 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: %lld)\n",
+ (unsigned long)getpid(), err, *pos);
+ return err;
+ }
+ return err;
+}
+
+/*
+ * go to specified position on tape
+ */
+int
+GotoTapePos(long long pos)
+{
+ int err = 0;
+
+#ifdef RDUMP
+ if (host)
+ err = (rmtseek((OFF_T)pos, (int)LSEEK_GO2_TAPEPOS) < 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: %lld)\n",
+ (unsigned long)getpid(), err, pos);
+ return err;
+ }
+ return err;
+}
+#endif /* __linux__ */
+
+/*
+ * read next data from tape to re-sync
+ */
+void
+ReReadFromTape(void)
+{
+ FLUSHTAPEBUF();
+ noresyncmesg = 1;
+ if (gethead(&spcl) == FAIL) {
+#ifdef DEBUG_QFA
+ fprintf(stdout, "DEBUG 1 gethead failed\n");
+#endif
+ }
+ findinode(&spcl);
+ 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));
+
+ tpblksread = spcl.c_tapea + spcl.c_volume;
+#ifdef DEBUG_QFA
+ fprintf(stderr, "DEBUG: %ld reads\n", cntloop);
+ fprintf(stderr, "DEBUG: bufsize %ld\n", bufsize);
+ fprintf(stderr, "DEBUG: ntrec %ld\n", ntrec);
+ fprintf(stderr, "DEBUG: tapea %d\n", spcl.c_tapea);
+ fprintf(stderr, "DEBUG: tpblksread %ld\n", tpblksread);
+#endif
+ findinode(&spcl);
+ noresyncmesg = 0;
+}
+
+#ifdef sunos
+int
+OpenSMTCmt(char *themagtape)
+{
+ if (GetSCSIIDFromPath(themagtape, &scsiid)) {
+ fprintf(stderr, "can't get SCSI-ID for %s\n", themagtape);
+ return -1;
+ }
+ if (scsiid < 0) {
+ fprintf(stderr, "can't get SCSI-ID for %s\n", themagtape);
+ return -1;
+ }
+ sprintf(smtcpath, "/dev/rsmtc%ld,0", scsiid);
+ if ((fdsmtc = open(smtcpath, O_RDWR)) == -1) {
+ fprintf(stderr, "can't open smtc device: %s, %d\n", smtcpath, errno);
+ return -1;
+ }
+ return 0;
+}
+#endif /* sunos */
+#endif /* USE_QFA */
git.wh0rd.org / dump.git / blobdiff