* 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>, 1999-2000
+ * 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: main.c,v 1.20 2000/03/02 13:52:52 stelian Exp $";
+ "$Id: main.c,v 1.95 2009/06/18 09:35:14 stelian Exp $";
#endif /* not lint */
+#include <config.h>
+#include <compatlfs.h>
+#include <ctype.h>
+#include <compaterr.h>
+#include <fcntl.h>
+#include <fstab.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <mntent.h>
+
#include <sys/param.h>
#include <sys/time.h>
+#include <time.h>
#ifdef __linux__
+#include <linux/types.h>
+#ifdef HAVE_EXT2FS_EXT2_FS_H
+#include <ext2fs/ext2_fs.h>
+#else
#include <linux/ext2_fs.h>
+#endif
+#include <ext2fs/ext2fs.h>
#include <sys/stat.h>
#include <bsdcompat.h>
-#else
-#ifdef sunos
+#include <linux/fs.h> /* for definition of BLKFLSBUF */
+#elif defined sunos
#include <sys/vnode.h>
#include <ufs/inode.h>
#include <ufs/ufs/dinode.h>
#include <ufs/ffs/fs.h>
#endif
-#endif
#include <protocols/dumprestore.h>
-#include <ctype.h>
-#include <compaterr.h>
-#include <fcntl.h>
-#include <fstab.h>
-#include <signal.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#ifdef __linux__
-#include <ext2fs/ext2fs.h>
-#endif
-
#include "dump.h"
#include "pathnames.h"
+#include "bylabel.h"
#ifndef SBOFF
#define SBOFF (SBLOCK * DEV_BSIZE)
#endif
+int abortifconnerr = 1; /* set to 1 if lib dumprmt.o should exit on connection errors
+ otherwise just print a message using msg */
+/*
+ * Dump maps used to describe what is to be dumped.
+ */
+int mapsize; /* size of the state maps */
+char *usedinomap; /* map of allocated inodes */
+char *dumpdirmap; /* map of directories to be dumped */
+char *dumpinomap; /* map of files to be dumped */
+char *metainomap; /* which of the inodes in dumpinomap will get
+ only their metadata dumped */
+
+const char *disk; /* name of the disk file */
+char tape[MAXPATHLEN];/* name of the tape file */
+char *tapeprefix; /* prefix of the tape file */
+char *dumpdates; /* name of the file containing dump date information*/
+char lastlevel[NUM_STR_SIZE];/* dump level of previous dump */
+char level[NUM_STR_SIZE];/* dump level of this dump */
+int zipflag; /* which compression method */
+int Afile = -1; /* archive file descriptor */
+int AfileActive = 1;/* Afile flag */
+int uflag; /* update flag */
+int mflag; /* dump metadata only if possible */
+int Mflag; /* multi-volume flag */
+int qflag; /* quit on errors flag */
+int vflag; /* verbose flag */
+int breademax = 32; /* maximum number of bread errors before we quit */
+char *eot_script; /* end of volume script fiag */
+int diskfd; /* disk file descriptor */
+int tapefd; /* tape file descriptor */
+int pipeout; /* true => output to standard output */
+int fifoout; /* true => output to fifo */
+dump_ino_t curino; /* current inumber; used globally */
+int newtape; /* new tape flag */
+int density; /* density in 0.1" units */
+long tapesize; /* estimated tape size, blocks */
+long tsize; /* tape size in 0.1" units */
+long asize; /* number of 0.1" units written on current tape */
+int etapes; /* estimated number of tapes */
+int nonodump; /* if set, do not honor UF_NODUMP user flags */
+int unlimited; /* if set, write to end of medium */
+int compressed; /* if set, dump is to be compressed */
+long long bytes_written;/* total bytes written to tape */
+long uncomprblks; /* uncompressed blocks written to tape */
+int notify; /* notify operator flag */
+int blockswritten; /* number of blocks written on current tape */
+int tapeno; /* current tape number */
+time_t tstart_writing; /* when started writing the first tape block */
+time_t tend_writing; /* after writing the last tape block */
+#ifdef __linux__
+ext2_filsys fs;
+#else
+struct fs *sblock; /* the file system super block */
+char sblock_buf[MAXBSIZE];
+#endif
+long xferrate; /* averaged transfer rate of all volumes */
+long dev_bsize; /* block size of underlying disk device */
+int dev_bshift; /* log2(dev_bsize) */
+int tp_bshift; /* log2(TP_BSIZE) */
+dump_ino_t volinfo[TP_NINOS];/* which inode on which volume archive info */
+
+#ifdef USE_QFA
+int gTapeposfd;
+char *gTapeposfile;
+char gTps[255];
+int32_t gThisDumpDate;
+#endif /* USE_QFA */
+
+struct dumptime *dthead; /* head of the list version */
+int nddates; /* number of records (might be zero) */
+int ddates_in; /* we have read the increment file */
+struct dumpdates **ddatev; /* the arrayfied version */
+
int notify = 0; /* notify operator flag */
int blockswritten = 0; /* number of blocks written on current tape */
int tapeno = 0; /* current tape number */
int density = 0; /* density in bytes/0.1" " <- this is for hilit19 */
-int ntrec = NTREC; /* # tape blocks in each tape record */
+int ntrec = NTREC; /* # blocks in each tape record */
int cartridge = 0; /* Assume non-cartridge tape */
+#ifdef USE_QFA
+int tapepos = 0; /* assume no QFA tapeposition needed by user */
+#endif /* USE_QFA */
int dokerberos = 0; /* Use Kerberos authentication */
long dev_bsize = 1; /* recalculated below */
-long blocksperfile; /* output blocks per file */
+long *blocksperfiles = NULL; /* output blocks per file(s) */
char *host = NULL; /* remote host (if any) */
int sizest = 0; /* return size estimate only */
+int compressed = 0; /* use zlib to compress the output, compress level 1-9 */
+long long bytes_written = 0; /* total bytes written */
+long uncomprblks = 0;/* uncompressed blocks written */
+
+long smtc_errno;
#ifdef __linux__
char *__progname;
#endif
-int maxbsize = 64*1024; /* XXX MAXBSIZE from sys/param.h */
+int maxbsize = 1024*1024; /* XXX MAXBSIZE from sys/param.h */
static long numarg __P((const char *, long, long));
+static long *numlistarg __P((const char *, long, long));
static void obsolete __P((int *, char **[]));
static void usage __P((void));
+static void do_exclude_from_file __P((char *));
+static void do_exclude_ino_str __P((char *));
+static void incompat_flags __P((int, char, char));
-ino_t iexclude_list[IEXCLUDE_MAXNUM]; /* the inode exclude list */
-int iexclude_num = 0; /* number of elements in the list */
+static char* iexclude_bitmap = NULL; /* the inode exclude bitmap */
+static unsigned int iexclude_bitmap_bytes = 0; /* size of bitmap in bytes */
int
main(int argc, char *argv[])
{
- register ino_t ino;
- register int dirty;
- register struct dinode *dp;
- register struct fstab *dt;
- register char *map;
- register int ch;
- int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1;
- ino_t maxino;
+ dump_ino_t ino;
+ int dirty;
+ struct dinode *dp;
+ struct mntent *dt;
+ char *map;
+ int ch, pch = 0;
+ int i, anydirskipped;
+ int aflag = 0, bflag = 0, Tflag = 0, honorlevel = 1;
+ dump_ino_t maxino;
+ struct STAT statbuf;
+ dev_t filedev = 0;
#ifdef __linux__
errcode_t retval;
char directory[MAXPATHLEN];
char pathname[MAXPATHLEN];
#endif
time_t tnow;
- char labelstr[LBLSIZE];
+ char *diskparam;
+ char *Apath = NULL;
- spcl.c_date = 0;
-#ifdef __linux__
- (void)time4(&spcl.c_date);
-#else
- (void)time((time_t *)&spcl.c_date);
-#endif
+ spcl.c_label[0] = '\0';
+ spcl.c_date = time(NULL);
#ifdef __linux__
__progname = argv[0];
#endif
tsize = 0; /* Default later, based on 'c' option for cart tapes */
+ unlimited = 1;
eot_script = NULL;
if ((tapeprefix = getenv("TAPE")) == NULL)
tapeprefix = _PATH_DEFTAPE;
dumpdates = _PATH_DUMPDATES;
- strcpy(labelstr, "none"); /* XXX safe strcpy. */
if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0)
quit("TP_BSIZE must be a multiple of DEV_BSIZE\n");
- level = '0';
+ memset(&lastlevel, 0, NUM_STR_SIZE);
+ memset(&level, 0, NUM_STR_SIZE);
+ /* Default dump level is zero. */
+ level[0] = '0';
if (argc < 2)
usage();
obsolete(&argc, &argv);
+
+#ifdef USE_QFA
+ gTapeposfd = -1;
+#endif /* USE_QFA */
+
+ while ((ch = getopt(argc, argv,
+ "0123456789A:aB:b:cd:D:e:E:f:F:h:I:"
+#ifdef HAVE_BZLIB
+ "j::"
+#endif
+ "L:"
#ifdef KERBEROS
-#define optstring "0123456789aB:b:cd:e:f:F:h:kL:Mns:ST:uWw"
-#else
-#define optstring "0123456789aB:b:cd:e:f:F:h:L:Mns:ST:uWw"
+ "k"
+#endif
+ "mMnq"
+#ifdef USE_QFA
+ "Q:"
+#endif
+ "s:ST:uvWw"
+#ifdef HAVE_LZO
+ "y"
+#endif
+#ifdef HAVE_ZLIB
+ "z::"
#endif
- while ((ch = getopt(argc, argv, optstring)) != -1)
-#undef optstring
+ )) != -1)
switch (ch) {
/* dump level */
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
- level = ch;
+ if ((pch >= '0') && (pch <= '9') && (strlen(level) < NUM_STR_SIZE))
+ level[strlen(level)] = ch;
+ else
+ level[0] = ch;
+ pch = ch;
+ break;
+
+ case 'A': /* archive file */
+ Apath = optarg;
break;
case 'a': /* `auto-size', Write to EOM. */
unlimited = 1;
+ aflag = 1;
break;
case 'B': /* blocks per output file */
- blocksperfile = numarg("number of blocks per file",
+ unlimited = 0;
+ blocksperfiles = numlistarg("number of blocks per file",
1L, 0L);
break;
case 'b': /* blocks per tape write */
ntrec = numarg("number of blocks per write",
- 1L, 1000L);
+ 1L, 1048576L);
if (ntrec > maxbsize/1024) {
- msg("Please choose a blocksize <= %dKB\n",
+ msg("Please choose a blocksize <= %dkB\n",
maxbsize/1024);
+ msg("The ENTIRE dump is aborted.\n");
exit(X_STARTUP);
}
bflag = 1;
break;
case 'c': /* Tape is cart. not 9-track */
+ unlimited = 0;
cartridge = 1;
break;
case 'd': /* density, in bits per inch */
+ unlimited = 0;
density = numarg("density", 10L, 327670L) / 10;
if (density >= 625 && !bflag)
ntrec = HIGHDENSITYTREC;
+ break;
+
+ case 'D': /* path of dumpdates file */
+ dumpdates = optarg;
break;
/* 04-Feb-00 ILC */
case 'e': /* exclude an inode */
- iexclude_list[iexclude_num++] =
- numarg("inode to exclude",0L,0L);
- msg("Added %d to exclude list\n",
- iexclude_list[iexclude_num-1]);
+ {
+ char *p = optarg, *q;
+ while ((q = strchr(p, ','))) {
+ *q = '\0';
+ do_exclude_ino_str(p);
+ p = q + 1;
+ }
+ do_exclude_ino_str(p);
+ }
+ break;
+
+ case 'E': /* exclude inodes read from file */
+ do_exclude_from_file(optarg);
break;
case 'f': /* output file */
honorlevel = numarg("honor level", 0L, 10L);
break;
+#ifdef HAVE_BZLIB
+ case 'j':
+ compressed = 2;
+ zipflag = COMPRESS_BZLIB;
+ if (optarg)
+ compressed = numarg("compress level", 1L, 9L);
+ break;
+#endif /* HAVE_BZLIB */
+
+ case 'I':
+ breademax =
+ numarg ("number of errors to ignore", 0L, 0L);
+ break;
+
#ifdef KERBEROS
case 'k':
dokerberos = 1;
* the last must be '\0', so the limit on strlen()
* is really LBLSIZE-1.
*/
- strncpy(labelstr, optarg, LBLSIZE);
- labelstr[LBLSIZE-1] = '\0';
+ strncpy(spcl.c_label, optarg, LBLSIZE);
+ spcl.c_label[LBLSIZE-1] = '\0';
if (strlen(optarg) > LBLSIZE-1) {
msg(
"WARNING Label `%s' is larger than limit of %d characters.\n",
optarg, LBLSIZE-1);
msg("WARNING: Using truncated label `%s'.\n",
- labelstr);
+ spcl.c_label);
}
break;
+ case 'm': /* metadata only flag */
+ mflag = 1;
+ break;
+
case 'M': /* multi-volume flag */
Mflag = 1;
break;
notify = 1;
break;
+ case 'q':
+ qflag = 1;
+ break;
+
+#ifdef USE_QFA
+ case 'Q': /* create tapeposfile */
+ gTapeposfile = optarg;
+ tapepos = 1;
+ break;
+#endif /* USE_QFA */
+
case 's': /* tape size, feet */
+ unlimited = 0;
tsize = numarg("tape size", 1L, 0L) * 12 * 10;
break;
case 'T': /* time of last dump */
spcl.c_ddate = unctime(optarg);
if (spcl.c_ddate < 0) {
- (void)fprintf(stderr, "bad time \"%s\"\n",
- optarg);
+ msg("bad time \"%s\"\n", optarg);
+ msg("The ENTIRE dump is aborted.\n");
exit(X_STARTUP);
}
Tflag = 1;
- lastlevel = '?';
+ lastlevel[0] = '?'; lastlevel[1] = '\0';
break;
case 'u': /* update dumpdates */
uflag = 1;
break;
+ case 'v': /* verbose */
+ vflag = 1;
+ break;
+
case 'W': /* what to do */
case 'w':
lastdump(ch);
exit(X_FINOK); /* do nothing else */
+#ifdef HAVE_LZO
+ case 'y':
+ compressed = 2;
+ zipflag = COMPRESS_LZO;
+ break;
+#endif /* HAVE_LZO */
+
+#ifdef HAVE_ZLIB
+ case 'z':
+ compressed = 2;
+ zipflag = COMPRESS_ZLIB;
+ if (optarg)
+ compressed = numarg("compress level", 1L, 9L);
+ break;
+#endif /* HAVE_ZLIB */
default:
usage();
argv += optind;
if (argc < 1) {
- (void)fprintf(stderr, "Must specify disk or filesystem\n");
+ msg("Must specify disk or filesystem\n");
+ msg("The ENTIRE dump is aborted.\n");
exit(X_STARTUP);
}
- disk = *argv++;
- if (strlen(disk) >= MAXPATHLEN) {
- (void)fprintf(stderr, "Disk or filesystem name too long: %s\n", disk);
+ diskparam = *argv++;
+ if (strlen(diskparam) >= MAXPATHLEN) {
+ msg("Disk or filesystem name too long: %s\n", diskparam);
+ msg("The ENTIRE dump is aborted.\n");
exit(X_STARTUP);
}
argc--;
- if (argc >= 1) {
- (void)fprintf(stderr, "Unknown arguments to dump:");
- while (argc--)
- (void)fprintf(stderr, " %s", *argv++);
- (void)fprintf(stderr, "\n");
- exit(X_STARTUP);
- }
- if (Tflag && uflag) {
- (void)fprintf(stderr,
- "You cannot use the T and u flags together.\n");
- exit(X_STARTUP);
- }
+ incompat_flags(Tflag && uflag, 'T', 'u');
+ incompat_flags(aflag && blocksperfiles, 'a', 'B');
+ incompat_flags(aflag && cartridge, 'a', 'c');
+ incompat_flags(aflag && density, 'a', 'd');
+ incompat_flags(aflag && tsize, 'a', 's');
+
if (strcmp(tapeprefix, "-") == 0) {
pipeout++;
tapeprefix = "standard output";
}
- if (blocksperfile)
- blocksperfile = blocksperfile / ntrec * ntrec; /* round down */
+ if (blocksperfiles && !compressed)
+ for (i = 1; i <= *blocksperfiles; i++)
+ blocksperfiles[i] = blocksperfiles[i] / ntrec * ntrec; /* round down */
else if (!unlimited) {
/*
* Determine how to default tape size and density
tsize = cartridge ? 1700L*120L : 2300L*120L;
}
- if (strchr(tapeprefix, ':')) {
- host = tapeprefix;
- tapeprefix = strchr(host, ':');
- *tapeprefix++ = '\0';
+ {
+ int i;
+ char *n;
+
+ if ((n = strchr(tapeprefix, ':'))) {
+ for (i = 0; i < (n - tapeprefix); i++) {
+ if (tapeprefix[i] == '/')
+ break;
+ }
+ if (tapeprefix[i] != '/') {
+ host = tapeprefix;
+ tapeprefix = strchr(host, ':');
+ *tapeprefix++ = '\0';
#ifdef RDUMP
- if (index(tapeprefix, '\n')) {
- (void)fprintf(stderr, "invalid characters in tape\n");
- exit(X_STARTUP);
- }
- if (rmthost(host) == 0)
- exit(X_STARTUP);
+ if (index(tapeprefix, '\n')) {
+ msg("invalid characters in tape\n");
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+ if (rmthost(host) == 0)
+ exit(X_STARTUP);
#else
- (void)fprintf(stderr, "remote dump not enabled\n");
- exit(X_STARTUP);
+ msg("remote dump not enabled\n");
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
#endif
+ }
+ }
}
+
(void)setuid(getuid()); /* rmthost() is the only reason to be setuid */
+ if (Apath && (Afile = open(Apath, O_WRONLY|O_CREAT|O_TRUNC,
+ S_IRUSR | S_IWUSR | S_IRGRP |
+ S_IWGRP | S_IROTH | S_IWOTH)) < 0) {
+ msg("Cannot open %s for writing: %s\n",
+ optarg, strerror(errno));
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
signal(SIGHUP, sig);
signal(SIGTERM, sig);
if (signal(SIGINT, interrupt) == SIG_IGN)
signal(SIGINT, SIG_IGN);
+#ifdef SIGXCPU
+ signal(SIGXCPU, SIG_IGN);
+#endif /* SIGXCPU */
+#ifdef SIGXFSZ
+ signal(SIGXFSZ, SIG_IGN);
+#endif /* SIGXFSZ */
+
set_operators(); /* /etc/group snarfed */
getfstab(); /* /etc/fstab snarfed */
+
/*
* disk may end in / and this can confuse
* fstabsearch.
*/
- if (strlen(disk) > 1 && disk[strlen(disk) - 1] == '/')
- disk[strlen(disk) - 1] = '\0';
+ i = strlen(diskparam) - 1;
+ if (i > 1 && diskparam[i] == '/')
+ if (!(i == 6 && !strcmp(diskparam, "LABEL=/")))
+ diskparam[i] = '\0';
+
+ disk = get_device_name(diskparam);
+ if (!disk)
+ disk = strdup(diskparam);
+
/*
* disk can be either the full special file name,
* the suffix of the special file name,
* the file system name with or without the leading '/'.
*/
if ((dt = fstabsearch(disk)) != NULL) {
- disk = rawname(dt->fs_spec);
- (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
- (void)strncpy(spcl.c_filesys, dt->fs_file, NAMELEN);
-#ifdef __linux__
+ /* if found then only one parameter (i.e. partition)
+ * is allowed */
+ if (argc >= 1) {
+ (void)fprintf(stderr, "Unknown arguments to dump:");
+ while (argc--)
+ (void)fprintf(stderr, " %s", *argv++);
+ (void)fprintf(stderr, "\n");
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+ disk = rawname(dt->mnt_fsname);
+ (void)strncpy(spcl.c_dev, dt->mnt_fsname, NAMELEN);
+ (void)strncpy(spcl.c_filesys, dt->mnt_dir, NAMELEN);
} else {
- /*
- * The argument was not found in the fstab
- * assume that this is a subtree and search for it
- */
+#ifdef __linux__
#ifdef HAVE_REALPATH
if (realpath(disk, pathname) == NULL)
#endif
strcpy(pathname, disk);
- dt = fstabsearchdir(pathname, directory);
- if (dt != NULL) {
- char name[MAXPATHLEN];
- (void)strncpy(spcl.c_dev, dt->fs_spec, NAMELEN);
- (void)snprintf(name, sizeof(name), "%s (dir %s)",
- dt->fs_file, directory);
- (void)strncpy(spcl.c_filesys, name, NAMELEN);
- disk = rawname(dt->fs_spec);
+ /*
+ * The argument could be now a mountpoint of
+ * a filesystem specified in fstab. Search for it.
+ */
+ if ((dt = fstabsearch(pathname)) != NULL) {
+ disk = rawname(dt->mnt_fsname);
+ (void)strncpy(spcl.c_dev, dt->mnt_fsname, NAMELEN);
+ (void)strncpy(spcl.c_filesys, dt->mnt_dir, NAMELEN);
} else {
- (void)strncpy(spcl.c_dev, disk, NAMELEN);
- (void)strncpy(spcl.c_filesys, "an unlisted file system",
- NAMELEN);
+ /*
+ * The argument was not found in the fstab
+ * assume that this is a subtree and search for it
+ */
+ dt = fstabsearchdir(pathname, directory);
+ if (dt != NULL) {
+ char name[MAXPATHLEN];
+ (void)strncpy(spcl.c_dev, dt->mnt_fsname, NAMELEN);
+ (void)snprintf(name, sizeof(name), "%s (dir %s)",
+ dt->mnt_dir, directory);
+ (void)strncpy(spcl.c_filesys, name, NAMELEN);
+ disk = rawname(dt->mnt_fsname);
+ } else {
+ (void)strncpy(spcl.c_dev, disk, NAMELEN);
+ (void)strncpy(spcl.c_filesys, "an unlisted file system",
+ NAMELEN);
+ }
}
- }
#else
- } else {
(void)strncpy(spcl.c_dev, disk, NAMELEN);
(void)strncpy(spcl.c_filesys, "an unlisted file system",
NAMELEN);
- }
#endif
- spcl.c_dev[NAMELEN-1]='\0';
- spcl.c_filesys[NAMELEN-1]='\0';
- (void)strncpy(spcl.c_label, labelstr, sizeof(spcl.c_label) - 1);
+ }
+
+ if (directory[0] != 0) {
+ if (atoi(level) != 0) {
+ msg("Only level 0 dumps are allowed on a subdirectory\n");
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+ if (uflag) {
+ msg("You can't update the dumpdates file when dumping a subdirectory\n");
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+ }
+ spcl.c_dev[NAMELEN-1] = '\0';
+ spcl.c_filesys[NAMELEN-1] = '\0';
(void)gethostname(spcl.c_host, NAMELEN);
- spcl.c_level = level - '0';
+ spcl.c_host[NAMELEN-1] = '\0';
+ spcl.c_level = atoi(level);
spcl.c_type = TS_TAPE;
if (!Tflag)
getdumptime(uflag); /* dumpdates snarfed */
if (spcl.c_ddate == 0 && spcl.c_level) {
msg("WARNING: There is no inferior level dump on this filesystem\n");
msg("WARNING: Assuming a level 0 dump by default\n");
- level = '0';
+ level[0] = '0'; level[1] = '\0';
spcl.c_level = 0;
}
strncpy(tape, tapeprefix, MAXPATHLEN);
tape[MAXPATHLEN - 1] = '\0';
+ if (!pipeout) {
+ if (STAT(tape, &statbuf) != -1)
+ fifoout= statbuf.st_mode & S_IFIFO;
+ }
+
if (!sizest) {
- msg("Date of this level %c dump: %s", level,
-#ifdef __linux__
- spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date));
-#else
- spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date));
-#endif
- msg("Date of last level %c dump: %s", lastlevel,
-#ifdef __linux__
- spcl.c_ddate == 0 ? "the epoch\n" : ctime4(&spcl.c_ddate));
-#else
- spcl.c_ddate == 0 ? "the epoch\n" : ctime(&spcl.c_ddate));
+ msg("Date of this level %s dump: %s", level,
+ ctime4(&spcl.c_date));
+#ifdef USE_QFA
+ gThisDumpDate = spcl.c_date;
#endif
+ if (spcl.c_ddate)
+ msg("Date of last level %s dump: %s", lastlevel,
+ ctime4(&spcl.c_ddate));
msg("Dumping %s (%s) ", disk, spcl.c_filesys);
if (host)
msgtail("to %s on host %s\n", tape, host);
else
msgtail("to %s\n", tape);
- msg("Label: %s\n", labelstr);
-
} /* end of size estimate */
#ifdef __linux__
+ if ((diskfd = OPEN(disk, O_RDONLY)) < 0) {
+ msg("Cannot open %s\n", disk);
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+#ifdef BLKFLSBUF
+ (void)ioctl(diskfd, BLKFLSBUF, 0);
+#endif
retval = dump_fs_open(disk, &fs);
if (retval) {
com_err(disk, retval, "while opening filesystem");
if (retval == EXT2_ET_REV_TOO_HIGH)
- printf ("Get a newer version of dump!\n");
+ msg("Get a newer version of dump!\n");
+ msg("The ENTIRE dump is aborted.\n");
exit(X_STARTUP);
}
if (fs->super->s_rev_level > DUMP_CURRENT_REV) {
com_err(disk, retval, "while opening filesystem");
- printf ("Get a newer version of dump!\n");
+ msg("Get a newer version of dump!\n");
+ msg("The ENTIRE dump is aborted.\n");
exit(X_STARTUP);
}
- if ((diskfd = open(disk, O_RDONLY)) < 0) {
- msg("Cannot open %s\n", disk);
- exit(X_STARTUP);
+ /* if no user label specified, use ext2 filesystem label if available */
+ if (spcl.c_label[0] == '\0') {
+ const char *lbl;
+ if ( (lbl = get_device_label(disk)) != NULL) {
+ strncpy(spcl.c_label, lbl, LBLSIZE);
+ spcl.c_label[LBLSIZE-1] = '\0';
+ }
+ else
+ strcpy(spcl.c_label, "none"); /* safe strcpy. */
}
sync();
dev_bsize = DEV_BSIZE;
tp_bshift = ffs(TP_BSIZE) - 1;
if (TP_BSIZE != (1 << tp_bshift))
quit("TP_BSIZE (%d) is not a power of 2", TP_BSIZE);
- maxino = fs->super->s_inodes_count;
-#if 0
+ maxino = fs->super->s_inodes_count + 1;
spcl.c_flags |= DR_NEWINODEFMT;
-#endif
#else /* __linux __*/
if ((diskfd = open(disk, O_RDONLY)) < 0) {
msg("Cannot open %s\n", disk);
+ msg("The ENTIRE dump is aborted.\n");
exit(X_STARTUP);
}
sync();
usedinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
dumpdirmap = (char *)calloc((unsigned) mapsize, sizeof(char));
dumpinomap = (char *)calloc((unsigned) mapsize, sizeof(char));
- tapesize = 3 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
+ metainomap = (char *)calloc((unsigned) mapsize, sizeof(char));
+ if (usedinomap == NULL || dumpdirmap == NULL ||
+ dumpinomap == NULL || metainomap == NULL)
+ quit("out of memory allocating inode maps\n");
+ tapesize = 2 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
nonodump = spcl.c_level < honorlevel;
+ if (!sizest) {
+ msg("Label: %s\n", spcl.c_label);
+
+ msg("Writing %d Kilobyte records\n", ntrec);
+
+ if (compressed) {
+ if (zipflag == COMPRESS_LZO)
+ msg("Compressing output (lzo)\n");
+ else
+ msg("Compressing output at compression level %d (%s)\n",
+ compressed, zipflag == COMPRESS_ZLIB ? "zlib" : "bzlib");
+ }
+ }
+
#if defined(SIGINFO)
(void)signal(SIGINFO, statussig);
#endif
#ifdef __linux__
if (directory[0] == 0)
anydirskipped = mapfiles(maxino, &tapesize);
- else
- anydirskipped = mapfilesfromdir(maxino, &tapesize, directory);
+ else {
+ if (LSTAT(pathname, &statbuf) == -1) {
+ msg("File cannot be accessed (%s).\n", pathname);
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+ filedev = statbuf.st_dev;
+ if (!(statbuf.st_mode & S_IFDIR)) /* is a file */
+ anydirskipped = maponefile(maxino, &tapesize,
+ directory);
+ else
+ anydirskipped = mapfilesfromdir(maxino, &tapesize,
+ directory);
+ }
+ while (argc--) {
+ int anydirskipped2;
+ char *p = *argv;
+ /* check if file is available */
+ if (LSTAT(p, &statbuf) == -1) {
+ msg("File cannot be accessed (%s).\n", p);
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+ /* check if file is on same unix partiton as the first
+ * argument */
+ if (statbuf.st_dev != filedev) {
+ msg("Files are not on same file system (%s).\n", p);
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+ /* check if file is a directory */
+ if (!(statbuf.st_mode & S_IFDIR))
+ anydirskipped2 = maponefile(maxino, &tapesize,
+ p+strlen(dt->mnt_dir));
+ else
+ /* read directory inodes.
+ * NOTE: nested directories are not recognized
+ * so inodes may be umped twice!
+ */
+ anydirskipped2 = mapfilesfromdir(maxino, &tapesize,
+ p+strlen(dt->mnt_dir));
+ if (!anydirskipped)
+ anydirskipped = anydirskipped2;
+ argv++;
+ }
#else
anydirskipped = mapfiles(maxino, &tapesize);
#endif
}
if (sizest) {
- printf("%.0f\n", ((double)tapesize + 10) * TP_BSIZE);
+ printf("%.0f\n", ((double)tapesize + 1 + ntrec) * TP_BSIZE);
exit(X_FINOK);
} /* stop here for size estimate */
if (pipeout || unlimited) {
- tapesize += 10; /* 10 trailer blocks */
- msg("estimated %ld tape blocks.\n", tapesize);
+ tapesize += 1 + ntrec; /* 1 map header + trailer blocks */
+ msg("estimated %ld blocks.\n", tapesize);
} else {
double fetapes;
- if (blocksperfile)
- fetapes = (double) tapesize / blocksperfile;
- else if (cartridge) {
+ if (blocksperfiles) {
+ long tapesize_left;
+
+ tapesize_left = tapesize;
+ fetapes = 0;
+ for (i = 1; i < *blocksperfiles && tapesize_left; i++) {
+ fetapes++;
+ if (tapesize_left > blocksperfiles[i])
+ tapesize_left -= blocksperfiles[i];
+ else
+ tapesize_left = 0;
+ }
+ if (tapesize_left)
+ fetapes += (double)tapesize_left / blocksperfiles[*blocksperfiles];
+ } else if (cartridge) {
/* Estimate number of tapes, assuming streaming stops at
the end of each block written, and not in mid-block.
Assume no erroneous blocks; this can be compensated
/* count the dumped inodes map on each additional tape */
tapesize += (etapes - 1) *
(howmany(mapsize * sizeof(char), TP_BSIZE) + 1);
- tapesize += etapes + 10; /* headers + 10 trailer blks */
- msg("estimated %ld tape blocks on %3.2f tape(s).\n",
+ tapesize += etapes + ntrec; /* headers + trailer blks */
+ msg("estimated %ld blocks on %3.2f tape(s).\n",
tapesize, fetapes);
}
+#ifdef USE_QFA
+ if (tapepos) {
+ msg("writing QFA positions to %s\n", gTapeposfile);
+ if ((gTapeposfd = open(gTapeposfile,
+ O_WRONLY|O_CREAT|O_TRUNC,
+ S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP
+ | S_IROTH | S_IWOTH)) < 0)
+ quit("can't open tapeposfile\n");
+ /* print QFA-file header */
+ snprintf(gTps, sizeof(gTps), "%s\n%s\n%ld\n\n", QFA_MAGIC, QFA_VERSION, (unsigned long)spcl.c_date);
+ gTps[sizeof(gTps) - 1] = '\0';
+ if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
+ quit("can't write tapeposfile\n");
+ sprintf(gTps, "ino\ttapeno\ttapepos\n");
+ if (write(gTapeposfd, gTps, strlen(gTps)) != (ssize_t)strlen(gTps))
+ quit("can't write tapeposfile\n");
+ }
+#endif /* USE_QFA */
+
/*
* Allocate tape buffer.
*/
"can't allocate tape buffers - try a smaller blocking factor.\n");
startnewtape(1);
-#ifdef __linux__
- (void)time4(&(tstart_writing));
-#else
- (void)time((time_t *)&(tstart_writing));
-#endif
+ tstart_writing = time(NULL);
dumpmap(usedinomap, TS_CLRI, maxino - 1);
msg("dumping (Pass III) [directories]\n");
*/
if (dp->di_nlink == 0 || dp->di_dtime != 0)
continue;
+ if (vflag)
+ msg("dumping directory inode %lu\n", ino);
(void)dumpdirino(dp, ino);
#else
(void)dumpino(dp, ino);
continue;
#ifdef __linux__
/*
- * No need to check here for deleted and not yes reallocated inodes
- * since this is done in dumpino().
+ * No need to check here for deleted and not yet reallocated
+ * inodes since this is done in dumpino().
*/
#endif
- (void)dumpino(dp, ino);
+ if (vflag) {
+ if (mflag && TSTINO(ino, metainomap))
+ msg("dumping regular inode %lu (meta only)\n", ino);
+ else
+ msg("dumping regular inode %lu\n", ino);
+ }
+ (void)dumpino(dp, ino, mflag && TSTINO(ino, metainomap));
}
-#ifdef __linux__
- (void)time4(&(tend_writing));
-#else
- (void)time((time_t *)&(tend_writing));
-#endif
+ tend_writing = time(NULL);
spcl.c_type = TS_END;
- for (i = 0; i < ntrec; i++)
+
+ if (Afile >= 0) {
+ volinfo[1] = ROOTINO;
+ memcpy(spcl.c_inos, volinfo, TP_NINOS * sizeof(dump_ino_t));
+ spcl.c_flags |= DR_INODEINFO;
+ }
+
+ /*
+ * Finish off the current tape record with trailer blocks, to ensure
+ * at least the data in the last partial record makes it to tape.
+ * Also make sure we write at least 1 trailer block.
+ */
+ for (i = ntrec - (spcl.c_tapea % ntrec); i; --i)
writeheader(maxino - 1);
tnow = trewind();
- if (pipeout)
- msg("%ld tape blocks\n", spcl.c_tapea);
+ if (pipeout || fifoout)
+ msg("%ld blocks (%.2fMB)\n", spcl.c_tapea,
+ ((double)spcl.c_tapea * TP_BSIZE / 1048576));
else
- msg("%ld tape blocks on %d volumes(s)\n",
- spcl.c_tapea, spcl.c_volume);
+ msg("%ld blocks (%.2fMB) on %d volume(s)\n",
+ spcl.c_tapea,
+ ((double)spcl.c_tapea * TP_BSIZE / 1048576),
+ spcl.c_volume);
- /* report dump performance, avoid division through zero */
+ /* report dump performance, avoid division by zero */
if (tend_writing - tstart_writing == 0)
msg("finished in less than a second\n");
else
- msg("finished in %d seconds, throughput %d KBytes/sec\n",
+ msg("finished in %d seconds, throughput %d kBytes/sec\n",
tend_writing - tstart_writing,
spcl.c_tapea / (tend_writing - tstart_writing));
putdumptime();
-#ifdef __linux__
- msg("Date of this level %c dump: %s", level,
+ msg("Date of this level %s dump: %s", level,
spcl.c_date == 0 ? "the epoch\n" : ctime4(&spcl.c_date));
-#else
- msg("Date of this level %c dump: %s", level,
- spcl.c_date == 0 ? "the epoch\n" : ctime(&spcl.c_date));
-#endif
msg("Date this dump completed: %s", ctime(&tnow));
- msg("Average transfer rate: %ld KB/s\n", xferrate / tapeno);
+ msg("Average transfer rate: %ld kB/s\n", xferrate / tapeno);
+ if (compressed) {
+ long tapekb = bytes_written / 1024;
+ double rate = .0005 + (double) spcl.c_tapea / tapekb;
+ msg("Wrote %ldkB uncompressed, %ldkB compressed, %1.3f:1\n",
+ spcl.c_tapea, tapekb, rate);
+ }
+
+ if (Afile >= 0)
+ msg("Archiving dump to %s\n", Apath);
broadcast("DUMP IS DONE!\7\7\n");
msg("DUMP IS DONE\n");
usage(void)
{
char white[MAXPATHLEN];
- int i;
-
- strncpy(white, __progname, MAXPATHLEN-1);
- white[MAXPATHLEN-1] = '\0';
- for (i=0; i<MAXPATHLEN; ++i)
- if (white[i] != '\0') white[i] = ' ';
+ const char *ext2ver, *ext2date;
+ memset(white, ' ', MAXPATHLEN);
+ white[MIN(strlen(__progname), MAXPATHLEN - 1)] = '\0';
+
+#ifdef __linux__
+ ext2fs_get_library_version(&ext2ver, &ext2date);
+ fprintf(stderr, "%s %s (using libext2fs %s of %s)\n",
+ __progname, _DUMP_VERSION, ext2ver, ext2date);
+#else
+ fprintf(stderr, "%s %s\n", __progname, _DUMP_VERSION);
+#endif
fprintf(stderr,
- "%s %s\n", __progname, _DUMP_VERSION);
- fprintf(stderr,
- "usage:\t%s [-0123456789ac"
+ "usage:\t%s [-level#] [-ac"
#ifdef KERBEROS
"k"
#endif
- "MnSu] [-B records] [-b blocksize] [-d density]\n"
- "\t%s [-e inode#] [-f file] [-h level] [-s feet] [-T date] filesystem\n"
- "\t%s [-W | -w]\n", __progname, white, __progname);
+ "mMnqSuv"
+ "] [-A file] [-B records] [-b blocksize]\n"
+ "\t%s [-d density] [-D file] [-e inode#,inode#,...] [-E file]\n"
+ "\t%s [-f file] [-h level] [-I nr errors] "
+#ifdef HAVE_BZLIB
+ "[-j zlevel] "
+#endif
+#ifdef USE_QFA
+ "[-Q file]\n"
+#endif
+ "\t%s [-s feet] "
+ "[-T date] "
+#ifdef HAVE_LZO
+ "[-y] "
+#endif
+#ifdef HAVE_ZLIB
+ "[-z zlevel] "
+#endif
+ "filesystem\n"
+ "\t%s [-W | -w]\n",
+ __progname, white, white, white, __progname);
exit(X_STARTUP);
}
return (val);
}
+/*
+ * The same as numarg, just that it expects a comma separated list of numbers
+ * and returns an array of longs with the first element containing the number
+ * values in that array.
+ */
+static long *
+numlistarg(const char *meaning, long vmin, long vmax)
+{
+ char *p;
+ long *vals,*curval;
+ long valnum;
+
+ p = optarg;
+ vals = NULL;
+ valnum = 0;
+ do {
+ valnum++;
+ if ( !(vals = realloc(vals, (valnum + 1) * sizeof(*vals))) )
+ errx(X_STARTUP, "allocating memory failed");
+ curval = vals + valnum;
+ *curval = strtol(p, &p, 10);
+ if (*p && *p!=',')
+ errx(X_STARTUP, "illegal %s -- %s", meaning, optarg);
+ if (*curval < vmin || (vmax && *curval > vmax))
+ errx(X_STARTUP, "%s must be between %ld and %ld", meaning, vmin, vmax);
+ *vals = valnum;
+ if (*p) p++;
+ } while(*p);
+ return (vals);
+}
+
void
sig(int signo)
{
case SIGHUP:
case SIGTERM:
case SIGTRAP:
- if (pipeout)
+ if (pipeout || fifoout)
quit("Signal on pipe: cannot recover\n");
- msg("Rewriting attempted as response to unknown signal.\n");
+ msg("Rewriting attempted as response to unknown signal: %d.\n", signo);
(void)fflush(stderr);
(void)fflush(stdout);
close_rewind();
}
}
-char *
-rawname(char *cp)
+const char *
+rawname(const char *cp)
{
#ifdef __linux__
return cp;
if (dp == NULL)
return (NULL);
- *dp = '\0';
- (void)strncpy(rawbuf, cp, MAXPATHLEN - 1);
- rawbuf[MAXPATHLEN-1] = '\0';
- *dp = '/';
+ (void)strncpy(rawbuf, cp, min(dp-cp, MAXPATHLEN - 1));
+ rawbuf[min(dp-cp, MAXPATHLEN-1)] = '\0';
(void)strncat(rawbuf, "/r", MAXPATHLEN - 1 - strlen(rawbuf));
(void)strncat(rawbuf, dp + 1, MAXPATHLEN - 1 - strlen(rawbuf));
return (rawbuf);
for (flags = 0; *ap; ++ap) {
switch (*ap) {
+ case 'A':
case 'B':
case 'b':
case 'd':
+ case 'D':
case 'e':
+ case 'E':
case 'f':
case 'F':
case 'h':
case 'L':
+ case 'Q':
case 's':
case 'T':
if (*argv == NULL) {
/* Update argument count. */
*argcp = nargv - *argvp - 1;
}
+
+/*
+ * This tests whether an inode is in the exclude bitmap
+ */
+int
+exclude_ino(dump_ino_t ino)
+{
+ /* if the inode exclude bitmap exists and covers given inode */
+ if (iexclude_bitmap && iexclude_bitmap_bytes > ino / 8) {
+ /* then check this inode against it */
+ int idx = iexclude_bitmap[ino / 8];
+ if (idx & (1 << (ino % 8)))
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * This adds an inode to the exclusion bitmap if it isn't already there
+ */
+void
+do_exclude_ino(dump_ino_t ino, const char *reason)
+{
+ if (exclude_ino(ino))
+ return;
+
+ if (vflag) {
+ if (reason)
+ msg("Excluding inode %u (%s) from dump\n", ino, reason);
+ else
+ msg("Excluding inode %u from dump\n", ino);
+ }
+
+ /* check for enough mem; initialize */
+ if ((ino/8 + 1) > iexclude_bitmap_bytes) {
+ if (iexclude_bitmap_bytes == 0) {
+ unsigned int j;
+ iexclude_bitmap_bytes = 2 * (ino/8 + 1);
+ iexclude_bitmap = (char*) malloc(iexclude_bitmap_bytes);
+ if (iexclude_bitmap == NULL) {
+ msg("allocating memory failed\n");
+ exit(X_STARTUP);
+ }
+ for (j = 0; j < iexclude_bitmap_bytes; j++)
+ iexclude_bitmap[j] = 0;
+ }
+ else {
+ unsigned int oldsize = iexclude_bitmap_bytes;
+ iexclude_bitmap_bytes *=
+ (ino / 8 + 1) / iexclude_bitmap_bytes + 1;
+ iexclude_bitmap = (char*) realloc(iexclude_bitmap,
+ iexclude_bitmap_bytes);
+ if (iexclude_bitmap == NULL) {
+ msg("allocating memory failed\n");
+ exit(X_STARTUP);
+ }
+ for( ; oldsize < iexclude_bitmap_bytes; oldsize++)
+ iexclude_bitmap[oldsize] = 0;
+ }
+ }
+
+ iexclude_bitmap[ino / 8] |= 1 << (ino % 8);
+}
+
+static void
+do_exclude_ino_str(char * ino) {
+ char *r;
+ unsigned long inod;
+
+ inod = strtoul(ino, &r, 10);
+ if (( *r != '\0' && !isspace(*r) ) || inod <= ROOTINO) {
+ msg("Invalid inode argument %s\n", ino);
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+ do_exclude_ino(inod, NULL);
+}
+
+/*
+ * This reads a file containing one inode number per line and exclude them all
+ */
+static void
+do_exclude_from_file(char *file) {
+ FILE *f;
+ char *p, fname[MAXPATHLEN];
+
+
+ if (!( f = fopen(file, "r")) ) {
+ msg("Cannot open file for reading: %s\n", file);
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+ while (( p = fgets(fname, MAXPATHLEN, f))) {
+ if ( *p && *(p + strlen(p) - 1) == '\n' ) /* possible null string */
+ *(p + strlen(p) - 1) = '\0';
+ if ( !*p ) /* skip empty lines */
+ continue;
+ do_exclude_ino_str(p);
+ }
+ fclose(f);
+}
+
+static void incompat_flags(int cond, char flag1, char flag2) {
+ if (cond) {
+ msg("You cannot use the %c and %c flags together.\n",
+ flag1, flag2);
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+}
git.wh0rd.org / dump.git / blobdiff