* Ported to Linux's Second Extended File System as part of the
* dump and restore backup suit
* Remy Card <card@Linux.EU.Org>, 1994-1997
- * Stelian Pop <pop@noos.fr>, 1999-2000
- * Stelian Pop <pop@noos.fr> - Alcôve <www.alcove.fr>, 2000
+ * Stelian Pop <stelian@popies.net>, 1999-2000
+ * Stelian Pop <stelian@popies.net> - Alcôve <www.alcove.com>, 2000-2002
*/
/*-
#ifndef lint
static const char rcsid[] =
- "$Id: main.c,v 1.51 2001/07/18 09:50:48 stelian Exp $";
+ "$Id: main.c,v 1.70 2002/03/11 10:17:43 stelian Exp $";
#endif /* not lint */
#include <config.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <errno.h>
#include <sys/param.h>
#include <sys/time.h>
#define SBOFF (SBLOCK * DEV_BSIZE)
#endif
+/*
+ * 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 */
+
+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; /* dump level of previous dump */
+char level; /* dump level of this dump */
+int bzipflag; /* compression is done using bzlib */
+int Afile = 0; /* archive file descriptor */
+int uflag; /* update flag */
+int Mflag; /* multi-volume flag */
+int qflag; /* quit on errors 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 */
static long numarg __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));
-dump_ino_t iexclude_list[IEXCLUDE_MAXNUM];/* the inode exclude list */
-int iexclude_num = 0; /* number of elements in the list */
+static dump_ino_t iexclude_list[IEXCLUDE_MAXNUM];/* the inode exclude list */
+static int iexclude_num = 0; /* number of elements in the list */
int
main(int argc, char *argv[])
{
- register dump_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;
+ dump_ino_t ino;
+ int dirty;
+ struct dinode *dp;
+ struct fstab *dt;
+ char *map;
+ int ch;
+ int i, anydirskipped;
+ int aflag = 0, bflag = 0, Tflag = 0, honorlevel = 1;
dump_ino_t maxino;
struct STAT statbuf;
dev_t filedev = 0;
#endif
time_t tnow;
char *diskparam;
+ char *Apath = NULL;
spcl.c_label[0] = '\0';
spcl.c_date = time(NULL);
#endif /* USE_QFA */
while ((ch = getopt(argc, argv,
- "0123456789aB:b:cd:e:f:F:h:L:"
+ "0123456789A:aB:b:cd:e:E:f:F:h:I:"
+#ifdef HAVE_BZLIB
+ "j::"
+#endif
+ "L:"
#ifdef KERBEROS
"k"
#endif
- "Mn"
+ "Mnq"
#ifdef USE_QFA
"Q:"
#endif
level = ch;
break;
+ case 'A': /* archive file */
+ Apath = optarg;
+ if ((Afile = open(Apath, O_RDWR|O_CREAT|O_TRUNC,
+ S_IRUSR | S_IWUSR)) < 0) {
+ msg("Cannot open %s for writing: %s\n",
+ optarg, strerror(errno));
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+ memset(volinfo, 0, TP_NINOS * sizeof(dump_ino_t));
+ break;
+
case 'a': /* `auto-size', Write to EOM. */
unlimited = 1;
+ aflag = 1;
break;
case 'B': /* blocks per output file */
/* 04-Feb-00 ILC */
case 'e': /* exclude an inode */
- if (iexclude_num == IEXCLUDE_MAXNUM) {
- msg("Too many -e options\n");
- msg("The ENTIRE dump is aborted.\n");
- exit(X_STARTUP);
+ {
+ char *p = optarg, *q;
+ while ((q = strchr(p, ','))) {
+ *q = '\0';
+ do_exclude_ino_str(p);
+ p = q + 1;
}
- iexclude_list[iexclude_num++] = numarg("inode to exclude",0L,0L);
- if (iexclude_list[iexclude_num-1] <= ROOTINO) {
- msg("Cannot exclude inode %ld\n", (long)iexclude_list[iexclude_num-1]);
- msg("The ENTIRE dump is aborted.\n");
- exit(X_STARTUP);
+ do_exclude_ino_str(p);
}
- msg("Added %d to exclude list\n",
- iexclude_list[iexclude_num-1]);
+ 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;
+ bzipflag = 1;
+ if (optarg)
+ compressed = numarg("compress level", 1L, 9L);
+ break;
+#endif /* HAVE_BZLIB */
+
+ case 'I':
+ breademax =
+ numarg ("number of errors to ignore", 1L, 0L);
+ break;
+
#ifdef KERBEROS
case 'k':
dokerberos = 1;
notify = 1;
break;
+ case 'q':
+ qflag = 1;
+ break;
+
#ifdef USE_QFA
case 'Q': /* create tapeposfile */
gTapeposfile = optarg;
exit(X_STARTUP);
}
argc--;
- if (Tflag && uflag) {
- msg("You cannot use the T and u flags together.\n");
- msg("The ENTIRE dump is aborted.\n");
- exit(X_STARTUP);
- }
+ incompat_flags(Tflag && uflag, 'T', 'u');
+ incompat_flags(aflag && blocksperfile, '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";
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 */
*/
i = strlen(diskparam) - 1;
if (i > 1 && diskparam[i] == '/')
- diskparam[i] = '\0';
+ if (!(i == 6 && !strcmp(diskparam, "LABEL=/")))
+ diskparam[i] = '\0';
disk = get_device_name(diskparam);
if (!disk) { /* null means the disk is some form
msg("Date of this level %c dump: %s", level,
ctime4(&spcl.c_date));
+#ifdef USE_QFA
+ gThisDumpDate = spcl.c_date;
+#endif
if (spcl.c_ddate)
msg("Date of last level %c dump: %s", lastlevel,
ctime4(&spcl.c_ddate));
} /* 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);
+#endif
retval = dump_fs_open(disk, &fs);
if (retval) {
com_err(disk, retval, "while opening filesystem");
msg("The ENTIRE dump is aborted.\n");
exit(X_STARTUP);
}
- if ((diskfd = OPEN(disk, O_RDONLY)) < 0) {
- msg("Cannot open %s\n", disk);
- msg("The ENTIRE dump is aborted.\n");
- exit(X_STARTUP);
- }
/* if no user label specified, use ext2 filesystem label if available */
if (spcl.c_label[0] == '\0') {
const char *lbl;
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;
+ maxino = fs->super->s_inodes_count + 1;
#if 0
spcl.c_flags |= DR_NEWINODEFMT;
#endif
msg("Label: %s\n", spcl.c_label);
if (compressed)
- msg("Compressing output at compression level %d\n",
- compressed);
+ msg("Compressing output at compression level %d (%s)\n",
+ compressed, bzipflag ? "bzlib" : "zlib");
}
#if defined(SIGINFO)
#ifdef USE_QFA
if (tapepos) {
msg("writing QFA positions to %s\n", gTapeposfile);
- if ((gTapeposfd = open(gTapeposfile, O_RDWR|O_CREAT)) < 0)
+ if ((gTapeposfd = open(gTapeposfile, O_RDWR|O_CREAT|O_TRUNC, S_IRUSR | S_IWUSR)) < 0)
quit("can't open tapeposfile\n");
/* print QFA-file header */
- sprintf(gTps, "%s\n%s\n%ld\n\n", QFA_MAGIC, QFA_VERSION, (unsigned long)spcl.c_date);
+ 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)) != strlen(gTps))
quit("can't write tapeposfile\n");
sprintf(gTps, "ino\ttapeno\ttapepos\n");
tend_writing = time(NULL);
spcl.c_type = TS_END;
+
+ if (Afile) {
+ 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.
spcl.c_tapea, tapekb, rate);
}
+ if (Afile)
+ msg("Archiving dump to %s\n", Apath);
+
broadcast("DUMP IS DONE!\7\7\n");
msg("DUMP IS DONE\n");
Exit(X_FINOK);
#ifdef KERBEROS
"k"
#endif
- "MnSu"
- "] [-B records] [-b blocksize] [-d density]\n"
- "\t%s [-e inode#] [-f file] [-h level] "
+ "MnqSu"
+ "] [-A file] [-B records] [-b blocksize]\n"
+ "\t%s [-d density] [-e inode#,inode#,...] [-E file] [-f file]\n"
+ "\t%s [-h level] [-I nr errors] "
+#ifdef HAVE_BZLIB
+ "[-j zlevel] "
+#endif
#ifdef USE_QFA
"[-Q file] "
#endif
#endif
"filesystem\n"
"\t%s [-W | -w]\n",
- __progname, white, white, __progname);
+ __progname, white, white, white, __progname);
exit(X_STARTUP);
}
for (flags = 0; *ap; ++ap) {
switch (*ap) {
+ case 'A':
case 'B':
case 'b':
case 'd':
case 'e':
+ case 'E':
case 'f':
case 'F':
case 'h':
/* Update argument count. */
*argcp = nargv - *argvp - 1;
}
+
+/*
+ * This tests whether an inode is in the exclude list
+ */
+int
+exclude_ino(dump_ino_t ino)
+{
+ /* 04-Feb-00 ILC */
+ if (iexclude_num) { /* if there are inodes in the exclude list */
+ int idx; /* then check this inode against it */
+ for (idx = 0; idx < iexclude_num; idx++)
+ if (ino == iexclude_list[idx])
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * This tests adds an inode to the exclusion list if it isn't already there
+ */
+void
+do_exclude_ino(dump_ino_t ino, const char *reason)
+{
+ if (!exclude_ino(ino)) {
+ if (iexclude_num == IEXCLUDE_MAXNUM) {
+ msg("Too many exclude options\n");
+ msg("The ENTIRE dump is aborted.\n");
+ exit(X_STARTUP);
+ }
+ if (reason)
+ msg("Added inode %u to exclude list (%s)\n",
+ ino, reason);
+ else
+ msg("Added inode %u to exclude list\n", ino);
+ iexclude_list[iexclude_num++] = ino;
+ }
+}
+
+static void
+do_exclude_ino_str(char * ino) {
+ char *r;
+ unsigned long inod;
+
+ inod = strtoul(ino, &r, 10);
+ if (*r != '\0' || 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