int main(int argc, char *argv[]) { ino_t ino; int dirty; union dinode *dp; struct fstab *dt; struct statvfs *mntinfo, fsbuf; char *map, *cp; int ch; int i, anydirskipped, bflag = 0, Tflag = 0, Fflag = 0, honorlevel = 1; int snap_internal = 0; ino_t maxino; time_t tnow, date; int dirc; char *mountpoint; int just_estimate = 0; char labelstr[LBLSIZE]; char buf[MAXPATHLEN], rbuf[MAXPATHLEN]; char *new_time_format; char *snap_backup = NULL; spcl.c_date = 0; (void)time(&tnow); spcl.c_date = tnow; tzset(); /* set up timezone for strftime */ if ((new_time_format = getenv("TIMEFORMAT")) != NULL) time_string = new_time_format; tsize = 0; /* Default later, based on 'c' option for cart tapes */ if ((tape = getenv("TAPE")) == NULL) tape = _PATH_DEFTAPE; dumpdates = _PATH_DUMPDATES; temp = _PATH_DTMP; 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'; timestamp = 0; if (argc < 2) usage(); obsolete(&argc, &argv); while ((ch = getopt(argc, argv, "0123456789aB:b:cd:eFf:h:ik:l:L:nr:s:StT:uWwx:X")) != -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; break; case 'a': /* `auto-size', Write to EOM. */ unlimited = 1; break; case 'B': /* blocks per output file */ blocksperfile = numarg("blocks per file", 1L, 0L); break; case 'b': /* blocks per tape write */ ntrec = numarg("blocks per write", 1L, 1000L); bflag = 1; break; case 'c': /* Tape is cart. not 9-track */ cartridge = 1; break; case 'd': /* density, in bits per inch */ density = numarg("density", 10L, 327670L) / 10; if (density >= 625 && !bflag) ntrec = HIGHDENSITYTREC; break; case 'e': /* eject full tapes */ eflag = 1; break; case 'F': /* files-to-dump is an fs image */ Fflag = 1; break; case 'f': /* output file */ tape = optarg; break; case 'h': honorlevel = numarg("honor level", 0L, 10L); break; case 'i': /* "true incremental" regardless level */ level = 'i'; trueinc = 1; break; case 'k': readblksize = numarg("read block size", 0, 64) * 1024; break; case 'l': /* autoload after eject full tapes */ eflag = 1; lflag = numarg("timeout (in seconds)", 1, 0); break; case 'L': /* * Note that although there are LBLSIZE characters, * the last must be '\0', so the limit on strlen() * is really LBLSIZE-1. */ if (strlcpy(labelstr, optarg, sizeof(labelstr)) >= sizeof(labelstr)) { msg( "WARNING Label `%s' is larger than limit of %lu characters.\n", optarg, (unsigned long)sizeof(labelstr) - 1); msg("WARNING: Using truncated label `%s'.\n", labelstr); } break; case 'n': /* notify operators */ notify = 1; break; case 'r': /* read cache size */ readcache = numarg("read cache size", 0, 512); break; case 's': /* tape size, feet */ tsize = numarg("tape size", 1L, 0L) * 12 * 10; break; case 'S': /* exit after estimating # of tapes */ just_estimate = 1; break; case 't': timestamp = 1; 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); exit(X_STARTUP); } Tflag = 1; lastlevel = '?'; break; case 'u': /* update /etc/dumpdates */ uflag = 1; break; case 'W': /* what to do */ case 'w': lastdump(ch); exit(X_FINOK); /* do nothing else */ case 'x': snap_backup = optarg; break; case 'X': snap_internal = 1; break; default: usage(); } argc -= optind; argv += optind; if (argc < 1) { (void)fprintf(stderr, "Must specify disk or image, or file list\n"); exit(X_STARTUP); } /* * determine if disk is a subdirectory, and setup appropriately */ getfstab(); /* /etc/fstab snarfed */ disk = NULL; disk_dev = NULL; mountpoint = NULL; dirc = 0; for (i = 0; i < argc; i++) { struct stat sb; int error; error = lstat(argv[i], &sb); if (Fflag || (!error && (S_ISCHR(sb.st_mode) || S_ISBLK(sb.st_mode)))) { if (error) quit("Cannot stat %s: %s\n", argv[i], strerror(errno)); disk = argv[i]; multicheck: if (dirc != 0) quit("Can't dump a disk or image at the same time as a file list\n"); break; } if ((dt = fstabsearch(argv[i])) != NULL) { disk = argv[i]; mountpoint = xstrdup(dt->fs_file); goto multicheck; } if (statvfs(argv[i], &fsbuf) == -1) quit("Cannot statvfs %s: %s\n", argv[i], strerror(errno)); disk = fsbuf.f_mntfromname; if (strcmp(argv[i], fsbuf.f_mntonname) == 0) goto multicheck; if (mountpoint == NULL) { mountpoint = xstrdup(fsbuf.f_mntonname); if (uflag) { msg("Ignoring u flag for subdir dump\n"); uflag = 0; } if (level > '0') { msg("Subdir dump is done at level 0\n"); level = '0'; } msg("Dumping sub files/directories from %s\n", mountpoint); } else { if (strcmp(mountpoint, fsbuf.f_mntonname) != 0) quit("%s is not on %s\n", argv[i], mountpoint); } msg("Dumping file/directory %s\n", argv[i]); dirc++; } if (mountpoint) free(mountpoint); if (dirc == 0) { argv++; if (argc != 1) { (void)fprintf(stderr, "Excess 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); } if (strcmp(tape, "-") == 0) { pipeout++; tape = "standard output"; } if (blocksperfile) blocksperfile = blocksperfile / ntrec * ntrec; /* round down */ else if (!unlimited) { /* * Determine how to default tape size and density * * density tape size * 9-track 1600 bpi (160 bytes/.1") 2300 ft. * 9-track 6250 bpi (625 bytes/.1") 2300 ft. * cartridge 8000 bpi (100 bytes/.1") 1700 ft. * (450*4 - slop) */ if (density == 0) density = cartridge ? 100 : 160; if (tsize == 0) tsize = cartridge ? 1700L*120L : 2300L*120L; } if ((cp = strchr(tape, ':')) != NULL) { host = tape; /* This is fine, because all the const strings don't have : */ *cp++ = '\0'; tape = cp; #ifdef RDUMP if (rmthost(host) == 0) exit(X_STARTUP); #else (void)fprintf(stderr, "remote dump not enabled\n"); exit(X_STARTUP); #endif } if (signal(SIGHUP, SIG_IGN) != SIG_IGN) signal(SIGHUP, sig); if (signal(SIGTRAP, SIG_IGN) != SIG_IGN) signal(SIGTRAP, sig); if (signal(SIGFPE, SIG_IGN) != SIG_IGN) signal(SIGFPE, sig); if (signal(SIGBUS, SIG_IGN) != SIG_IGN) signal(SIGBUS, sig); #if 0 if (signal(SIGSEGV, SIG_IGN) != SIG_IGN) signal(SIGSEGV, sig); #endif if (signal(SIGTERM, SIG_IGN) != SIG_IGN) signal(SIGTERM, sig); if (signal(SIGINT, interrupt) == SIG_IGN) signal(SIGINT, SIG_IGN); /* * disk can be either the full special file name, or * the file system name. */ mountpoint = NULL; mntinfo = mntinfosearch(disk); if ((dt = fstabsearch(disk)) != NULL) { if (getfsspecname(buf, sizeof(buf), dt->fs_spec) == NULL) quit("%s (%s)", buf, strerror(errno)); if (getdiskrawname(rbuf, sizeof(rbuf), buf) == NULL) quit("Can't get disk raw name for `%s' (%s)", buf, strerror(errno)); disk = rbuf; mountpoint = dt->fs_file; msg("Found %s on %s in %s\n", disk, mountpoint, _PATH_FSTAB); } else if (mntinfo != NULL) { if (getdiskrawname(rbuf, sizeof(rbuf), mntinfo->f_mntfromname) == NULL) quit("Can't get disk raw name for `%s' (%s)", mntinfo->f_mntfromname, strerror(errno)); disk = rbuf; mountpoint = mntinfo->f_mntonname; msg("Found %s on %s in mount table\n", disk, mountpoint); } if (mountpoint != NULL) { if (dirc != 0) (void)snprintf(spcl.c_filesys, sizeof(spcl.c_filesys), "a subset of %s", mountpoint); else (void)strlcpy(spcl.c_filesys, mountpoint, sizeof(spcl.c_filesys)); } else if (Fflag) { (void)strlcpy(spcl.c_filesys, "a file system image", sizeof(spcl.c_filesys)); } else { (void)strlcpy(spcl.c_filesys, "an unlisted file system", sizeof(spcl.c_filesys)); } (void)strlcpy(spcl.c_dev, disk, sizeof(spcl.c_dev)); (void)strlcpy(spcl.c_label, labelstr, sizeof(spcl.c_label)); (void)gethostname(spcl.c_host, sizeof(spcl.c_host)); spcl.c_host[sizeof(spcl.c_host) - 1] = '\0'; if ((snap_backup != NULL || snap_internal) && mntinfo == NULL) { msg("WARNING: Cannot use -x or -X on unmounted file system.\n"); snap_backup = NULL; snap_internal = 0; } #ifdef DUMP_LFS sync(); if (snap_backup != NULL || snap_internal) { if (lfs_wrap_stop(mountpoint) < 0) { msg("Cannot stop writing on %s\n", mountpoint); exit(X_STARTUP); } } if ((diskfd = open(disk, O_RDONLY)) < 0) { msg("Cannot open %s\n", disk); exit(X_STARTUP); } disk_dev = disk; #else /* ! DUMP_LFS */ if (snap_backup != NULL || snap_internal) { diskfd = snap_open(mntinfo->f_mntonname, snap_backup, &tnow, &disk_dev); if (diskfd < 0) { msg("Cannot open snapshot of %s\n", mntinfo->f_mntonname); exit(X_STARTUP); } spcl.c_date = tnow; } else { if ((diskfd = open(disk, O_RDONLY)) < 0) { msg("Cannot open %s\n", disk); exit(X_STARTUP); } disk_dev = disk; } sync(); #endif /* ! DUMP_LFS */ needswap = fs_read_sblock(sblock_buf); /* true incremental is always a level 10 dump */ spcl.c_level = trueinc? iswap32(10): iswap32(level - '0'); spcl.c_type = iswap32(TS_TAPE); spcl.c_date = iswap32(spcl.c_date); spcl.c_ddate = iswap32(spcl.c_ddate); if (!Tflag) getdumptime(); /* /etc/dumpdates snarfed */ date = iswap32(spcl.c_date); msg("Date of this level %c dump: %s", level, spcl.c_date == 0 ? "the epoch\n" : ctime(&date)); date = iswap32(spcl.c_ddate); msg("Date of last level %c dump: %s", lastlevel, spcl.c_ddate == 0 ? "the epoch\n" : ctime(&date)); msg("Dumping "); if (snap_backup != NULL || snap_internal) msgtail("a snapshot of "); if (dirc != 0) msgtail("a subset of "); msgtail("%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); ufsib = fs_parametrize(); dev_bshift = ffs(dev_bsize) - 1; if (dev_bsize != (1 << dev_bshift)) quit("dev_bsize (%ld) is not a power of 2", 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_maxino(); mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE); usedinomap = (char *)xcalloc((unsigned) mapsize, sizeof(char)); dumpdirmap = (char *)xcalloc((unsigned) mapsize, sizeof(char)); dumpinomap = (char *)xcalloc((unsigned) mapsize, sizeof(char)); tapesize = 3 * (howmany(mapsize * sizeof(char), TP_BSIZE) + 1); nonodump = iswap32(spcl.c_level) < honorlevel; initcache(readcache, readblksize); (void)signal(SIGINFO, statussig); msg("mapping (Pass I) [regular files]\n"); anydirskipped = mapfiles(maxino, &tapesize, mountpoint, (dirc ? argv : NULL)); msg("mapping (Pass II) [directories]\n"); while (anydirskipped) { anydirskipped = mapdirs(maxino, &tapesize); } if (pipeout || unlimited) { tapesize += 10; /* 10 trailer blocks */ msg("estimated %llu tape blocks.\n", (unsigned long long)tapesize); } else { double fetapes; if (blocksperfile) fetapes = (double) tapesize / blocksperfile; 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 for with an artificially low tape size. */ fetapes = ( (double) tapesize /* blocks */ * TP_BSIZE /* bytes/block */ * (1.0/density) /* 0.1" / byte */ + (double) tapesize /* blocks */ * (1.0/ntrec) /* streaming-stops per block */ * 15.48 /* 0.1" / streaming-stop */ ) * (1.0 / tsize ); /* tape / 0.1" */ } else { /* Estimate number of tapes, for old fashioned 9-track tape */ int tenthsperirg = (density == 625) ? 3 : 7; fetapes = ( tapesize /* blocks */ * TP_BSIZE /* bytes / block */ * (1.0/density) /* 0.1" / byte */ + tapesize /* blocks */ * (1.0/ntrec) /* IRG's / block */ * tenthsperirg /* 0.1" / IRG */ ) * (1.0 / tsize ); /* tape / 0.1" */ } etapes = fetapes; /* truncating assignment */ etapes++; /* 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 %llu tape blocks on %3.2f tape(s).\n", (unsigned long long)tapesize, fetapes); } /* * If the user only wants an estimate of the number of * tapes, exit now. */ if (just_estimate) exit(X_FINOK); /* * Allocate tape buffer. */ if (!alloctape()) quit("can't allocate tape buffers - try a smaller blocking factor.\n"); startnewtape(1); (void)time((time_t *)&(tstart_writing)); xferrate = 0; dumpmap(usedinomap, TS_CLRI, maxino - 1); msg("dumping (Pass III) [directories]\n"); dirty = 0; /* XXX just to get gcc to shut up */ for (map = dumpdirmap, ino = 1; ino < maxino; ino++) { if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ dirty = *map++; else dirty >>= 1; if ((dirty & 1) == 0) continue; /* * Skip directory inodes deleted and maybe reallocated */ dp = getino(ino); if ((DIP(dp, mode) & IFMT) != IFDIR) continue; (void)dumpino(dp, ino); } msg("dumping (Pass IV) [regular files]\n"); for (map = dumpinomap, ino = 1; ino < maxino; ino++) { int mode; if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ dirty = *map++; else dirty >>= 1; if ((dirty & 1) == 0) continue; /* * Skip inodes deleted and reallocated as directories. */ dp = getino(ino); mode = DIP(dp, mode) & IFMT; if (mode == IFDIR) continue; (void)dumpino(dp, ino); } spcl.c_type = iswap32(TS_END); for (i = 0; i < ntrec; i++) writeheader(maxino - 1); if (pipeout) msg("%lld tape blocks\n",(long long)iswap64(spcl.c_tapea)); else msg("%lld tape blocks on %d volume%s\n", (long long)iswap64(spcl.c_tapea), iswap32(spcl.c_volume), (iswap32(spcl.c_volume) == 1) ? "" : "s"); tnow = do_stats(); date = iswap32(spcl.c_date); msg("Date of this level %c dump: %s", level, spcl.c_date == 0 ? "the epoch\n" : ctime(&date)); msg("Date this dump completed: %s", ctime(&tnow)); msg("Average transfer rate: %d KB/s\n", xferrate / tapeno); putdumptime(); trewind(0); broadcast("DUMP IS DONE!\a\a\n"); #ifdef DUMP_LFS lfs_wrap_go(); #endif /* DUMP_LFS */ msg("DUMP IS DONE\n"); Exit(X_FINOK); /* NOTREACHED */ exit(X_FINOK); /* XXX: to satisfy gcc */ }
int main(int argc, char *argv[]) { ino_t ino; int dirty; union dinode *dp; struct fstab *dt; char *map; int ch, mode; struct tm then; struct statfs fsbuf; int i, anydirskipped, bflag = 0, Tflag = 0, honorlevel = 1; ino_t maxino; time_t t; int dirlist; char *toplevel, *str, *mount_point = NULL; spcl.c_date = (int64_t)time(NULL); tsize = 0; /* Default later, based on 'c' option for cart tapes */ if ((tape = getenv("TAPE")) == NULL) tape = _PATH_DEFTAPE; dumpdates = _PATH_DUMPDATES; temp = _PATH_DTMP; if (TP_BSIZE / DEV_BSIZE == 0 || TP_BSIZE % DEV_BSIZE != 0) quit("TP_BSIZE must be a multiple of DEV_BSIZE\n"); level = '0'; if (argc < 2) usage(); obsolete(&argc, &argv); while ((ch = getopt(argc, argv, "0123456789aB:b:cd:f:h:ns:T:uWw")) != -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; break; case 'B': /* blocks per output file */ blocksperfile = numarg("blocks per file", 1L, 0L); break; case 'b': /* blocks per tape write */ ntrec = numarg("blocks per write", 1L, 1000L); if (ntrec > maxbsize/1024) { msg("Please choose a blocksize <= %dKB\n", maxbsize/1024); exit(X_STARTUP); } bflag = 1; break; case 'c': /* Tape is cart. not 9-track */ cartridge = 1; break; case 'd': /* density, in bits per inch */ density = numarg("density", 10L, 327670L) / 10; if (density >= 625 && !bflag) ntrec = HIGHDENSITYTREC; break; case 'f': /* output file */ tape = optarg; break; case 'h': honorlevel = numarg("honor level", 0L, 10L); break; case 'n': /* notify operators */ notify = 1; break; case 's': /* tape size, feet */ tsize = numarg("tape size", 1L, 0L) * 12 * 10; break; case 'T': /* time of last dump */ str = strptime(optarg, "%a %b %e %H:%M:%S %Y", &then); then.tm_isdst = -1; if (str == NULL || (*str != '\n' && *str != '\0')) spcl.c_ddate = -1; else spcl.c_ddate = (int64_t)mktime(&then); if (spcl.c_ddate < 0) { (void)fprintf(stderr, "bad time \"%s\"\n", optarg); exit(X_STARTUP); } Tflag = 1; lastlevel = '?'; break; case 'u': /* update /etc/dumpdates */ uflag = 1; break; case 'W': /* what to do */ case 'w': lastdump(ch); exit(X_FINOK); /* do nothing else */ break; case 'a': /* `auto-size', Write to EOM. */ unlimited = 1; break; default: usage(); } argc -= optind; argv += optind; if (argc < 1) { (void)fprintf(stderr, "Must specify disk or filesystem\n"); exit(X_STARTUP); } /* * determine if disk is a subdirectory, and setup appropriately */ dirlist = 0; toplevel = NULL; for (i = 0; i < argc; i++) { struct stat sb; if (lstat(argv[i], &sb) == -1) { msg("Cannot lstat %s: %s\n", argv[i], strerror(errno)); exit(X_STARTUP); } if (!S_ISDIR(sb.st_mode) && !S_ISREG(sb.st_mode)) break; if (statfs(argv[i], &fsbuf) == -1) { msg("Cannot statfs %s: %s\n", argv[i], strerror(errno)); exit(X_STARTUP); } if (strcmp(argv[i], fsbuf.f_mntonname) == 0) { if (dirlist != 0) { msg("Can't dump a mountpoint and a filelist\n"); exit(X_STARTUP); } break; /* exit if sole mountpoint */ } if (!disk) { if ((toplevel = strdup(fsbuf.f_mntonname)) == NULL) { msg("Cannot malloc diskname\n"); exit(X_STARTUP); } disk = toplevel; if (uflag) { msg("Ignoring u flag for subdir dump\n"); uflag = 0; } if (level > '0') { msg("Subdir dump is done at level 0\n"); level = '0'; } msg("Dumping sub files/directories from %s\n", disk); } else { if (strcmp(disk, fsbuf.f_mntonname) != 0) { msg("%s is not on %s\n", argv[i], disk); exit(X_STARTUP); } } msg("Dumping file/directory %s\n", argv[i]); dirlist++; } if (dirlist == 0) { disk = *argv++; if (argc != 1) { (void)fputs("Excess arguments to dump:", stderr); while (--argc) { (void)putc(' ', stderr); (void)fputs(*argv++, stderr); } (void)putc('\n', stderr); exit(X_STARTUP); } } if (Tflag && uflag) { (void)fprintf(stderr, "You cannot use the T and u flags together.\n"); exit(X_STARTUP); } if (strcmp(tape, "-") == 0) { pipeout++; tape = "standard output"; } if (blocksperfile) blocksperfile = blocksperfile / ntrec * ntrec; /* round down */ else if (!unlimited) { /* * Determine how to default tape size and density * * density tape size * 9-track 1600 bpi (160 bytes/.1") 2300 ft. * 9-track 6250 bpi (625 bytes/.1") 2300 ft. * cartridge 8000 bpi (100 bytes/.1") 1700 ft. * (450*4 - slop) */ if (density == 0) density = cartridge ? 100 : 160; if (tsize == 0) tsize = cartridge ? 1700L*120L : 2300L*120L; } if (strchr(tape, ':')) { host = tape; tape = strchr(host, ':'); *tape++ = '\0'; #ifdef RDUMP if (rmthost(host) == 0) exit(X_STARTUP); #else (void)fprintf(stderr, "remote dump not enabled\n"); exit(X_STARTUP); #endif } if (signal(SIGHUP, SIG_IGN) != SIG_IGN) signal(SIGHUP, sig); if (signal(SIGTRAP, SIG_IGN) != SIG_IGN) signal(SIGTRAP, sig); if (signal(SIGFPE, SIG_IGN) != SIG_IGN) signal(SIGFPE, sig); if (signal(SIGBUS, SIG_IGN) != SIG_IGN) signal(SIGBUS, sig); if (signal(SIGSEGV, SIG_IGN) != SIG_IGN) signal(SIGSEGV, sig); if (signal(SIGTERM, SIG_IGN) != SIG_IGN) signal(SIGTERM, sig); if (signal(SIGINT, interrupt) == SIG_IGN) signal(SIGINT, SIG_IGN); getfstab(); /* /etc/fstab snarfed */ /* * disk can be either the full special file name, * the suffix of the special file name, * the special name missing the leading '/', * the file system name with or without the leading '/'. */ if (!statfs(disk, &fsbuf) && !strcmp(fsbuf.f_mntonname, disk)) { /* mounted disk? */ disk = rawname(fsbuf.f_mntfromname); if (!disk) { (void)fprintf(stderr, "cannot get raw name for %s\n", fsbuf.f_mntfromname); exit(X_STARTUP); } mount_point = fsbuf.f_mntonname; (void)strlcpy(spcl.c_dev, fsbuf.f_mntfromname, sizeof(spcl.c_dev)); if (dirlist != 0) { (void)snprintf(spcl.c_filesys, sizeof(spcl.c_filesys), "a subset of %s", mount_point); } else { (void)strlcpy(spcl.c_filesys, mount_point, sizeof(spcl.c_filesys)); } } else if ((dt = fstabsearch(disk)) != NULL) { /* in fstab? */ disk = rawname(dt->fs_spec); mount_point = dt->fs_file; (void)strlcpy(spcl.c_dev, dt->fs_spec, sizeof(spcl.c_dev)); if (dirlist != 0) { (void)snprintf(spcl.c_filesys, sizeof(spcl.c_filesys), "a subset of %s", mount_point); } else { (void)strlcpy(spcl.c_filesys, mount_point, sizeof(spcl.c_filesys)); } } else { /* must be a device */ (void)strlcpy(spcl.c_dev, disk, sizeof(spcl.c_dev)); (void)strlcpy(spcl.c_filesys, "an unlisted file system", sizeof(spcl.c_filesys)); } (void)strlcpy(spcl.c_label, "none", sizeof(spcl.c_label)); (void)gethostname(spcl.c_host, sizeof(spcl.c_host)); spcl.c_level = level - '0'; spcl.c_type = TS_TAPE; if (!Tflag) getdumptime(); /* /etc/dumpdates snarfed */ t = (time_t)spcl.c_date; msg("Date of this level %c dump: %s", level, t == 0 ? "the epoch\n" : ctime(&t)); t = (time_t)spcl.c_ddate; msg("Date of last level %c dump: %s", lastlevel, t == 0 ? "the epoch\n" : ctime(&t)); msg("Dumping %s ", disk); if (mount_point != NULL) msgtail("(%s) ", mount_point); if (host) msgtail("to %s on host %s\n", tape, host); else msgtail("to %s\n", tape); if ((diskfd = open(disk, O_RDONLY)) < 0) { msg("Cannot open %s\n", disk); exit(X_STARTUP); } sync(); sblock = (struct fs *)sblock_buf; for (i = 0; sblock_try[i] != -1; i++) { ssize_t n = pread(diskfd, sblock, SBLOCKSIZE, (off_t)sblock_try[i]); if (n == SBLOCKSIZE && (sblock->fs_magic == FS_UFS1_MAGIC || (sblock->fs_magic == FS_UFS2_MAGIC && sblock->fs_sblockloc == sblock_try[i])) && sblock->fs_bsize <= MAXBSIZE && sblock->fs_bsize >= sizeof(struct fs)) break; } if (sblock_try[i] == -1) quit("Cannot find filesystem superblock\n"); dev_bsize = sblock->fs_fsize / fsbtodb(sblock, 1); dev_bshift = ffs(dev_bsize) - 1; if (dev_bsize != (1 << dev_bshift)) quit("dev_bsize (%d) is not a power of 2\n", dev_bsize); tp_bshift = ffs(TP_BSIZE) - 1; if (TP_BSIZE != (1 << tp_bshift)) quit("TP_BSIZE (%d) is not a power of 2\n", TP_BSIZE); #ifdef FS_44INODEFMT if (sblock->fs_magic == FS_UFS2_MAGIC || sblock->fs_inodefmt >= FS_44INODEFMT) spcl.c_flags |= DR_NEWINODEFMT; #endif maxino = sblock->fs_ipg * sblock->fs_ncg; mapsize = roundup(howmany(maxino, NBBY), TP_BSIZE); 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); nonodump = spcl.c_level < honorlevel; (void)signal(SIGINFO, statussig); msg("mapping (Pass I) [regular files]\n"); anydirskipped = mapfiles(maxino, &tapesize, toplevel, (dirlist ? argv : NULL)); msg("mapping (Pass II) [directories]\n"); while (anydirskipped) { anydirskipped = mapdirs(maxino, &tapesize); } if (pipeout || unlimited) { tapesize += 10; /* 10 trailer blocks */ msg("estimated %lld tape blocks.\n", tapesize); } else { double fetapes; if (blocksperfile) fetapes = (double) tapesize / blocksperfile; 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 for with an artificially low tape size. */ fetapes = ( tapesize /* blocks */ * TP_BSIZE /* bytes/block */ * (1.0/density) /* 0.1" / byte */ + tapesize /* blocks */ * (1.0/ntrec) /* streaming-stops per block */ * 15.48 /* 0.1" / streaming-stop */ ) * (1.0 / tsize ); /* tape / 0.1" */ } else { /* Estimate number of tapes, for old fashioned 9-track tape */ int tenthsperirg = (density == 625) ? 3 : 7; fetapes = ( tapesize /* blocks */ * TP_BSIZE /* bytes / block */ * (1.0/density) /* 0.1" / byte */ + tapesize /* blocks */ * (1.0/ntrec) /* IRG's / block */ * tenthsperirg /* 0.1" / IRG */ ) * (1.0 / tsize ); /* tape / 0.1" */ } etapes = fetapes; /* truncating assignment */ etapes++; /* 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 %lld tape blocks on %3.2f tape(s).\n", tapesize, fetapes); } /* * Allocate tape buffer. */ if (!alloctape()) quit("can't allocate tape buffers - try a smaller blocking factor.\n"); startnewtape(1); (void)time((time_t *)&(tstart_writing)); xferrate = 0; dumpmap(usedinomap, TS_CLRI, maxino - 1); msg("dumping (Pass III) [directories]\n"); dirty = 0; /* XXX just to get gcc to shut up */ for (map = dumpdirmap, ino = 1; ino < maxino; ino++) { if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ dirty = *map++; else dirty >>= 1; if ((dirty & 1) == 0) continue; /* * Skip directory inodes deleted and maybe reallocated */ dp = getino(ino, &mode); if (mode != IFDIR) continue; (void)dumpino(dp, ino); } msg("dumping (Pass IV) [regular files]\n"); for (map = dumpinomap, ino = 1; ino < maxino; ino++) { if (((ino - 1) % NBBY) == 0) /* map is offset by 1 */ dirty = *map++; else dirty >>= 1; if ((dirty & 1) == 0) continue; /* * Skip inodes deleted and reallocated as directories. */ dp = getino(ino, &mode); if (mode == IFDIR) continue; (void)dumpino(dp, ino); } spcl.c_type = TS_END; for (i = 0; i < ntrec; i++) writeheader(maxino - 1); if (pipeout) msg("%lld tape blocks\n", spcl.c_tapea); else msg("%lld tape blocks on %d volume%s\n", spcl.c_tapea, spcl.c_volume, (spcl.c_volume == 1) ? "" : "s"); t = (time_t)spcl.c_date; msg("Date of this level %c dump: %s", level, t == 0 ? "the epoch\n" : ctime(&t)); t = do_stats(); msg("Date this dump completed: %s", ctime(&t)); msg("Average transfer rate: %ld KB/s\n", xferrate / tapeno); putdumptime(); trewind(); broadcast("DUMP IS DONE!\7\7\n"); msg("DUMP IS DONE\n"); Exit(X_FINOK); /* NOTREACHED */ }
int main(int argc, char *argv[]) { int all, errs, ch, mntsize, error; char **typelist = NULL; struct statfs *mntbuf, *sfs; struct addrinfo hints; all = errs = 0; while ((ch = getopt(argc, argv, "AaF:fh:t:v")) != -1) switch (ch) { case 'A': all = 2; break; case 'a': all = 1; break; case 'F': setfstab(optarg); break; case 'f': fflag = MNT_FORCE; break; case 'h': /* -h implies -A. */ all = 2; nfshost = optarg; break; case 't': if (typelist != NULL) err(1, "only one -t option may be specified"); typelist = makevfslist(optarg); break; case 'v': vflag = 1; break; default: usage(); /* NOTREACHED */ } argc -= optind; argv += optind; /* Start disks transferring immediately. */ if ((fflag & MNT_FORCE) == 0) sync(); if ((argc == 0 && !all) || (argc != 0 && all)) usage(); /* -h implies "-t nfs" if no -t flag. */ if ((nfshost != NULL) && (typelist == NULL)) typelist = makevfslist("nfs"); if (nfshost != NULL) { memset(&hints, 0, sizeof hints); error = getaddrinfo(nfshost, NULL, &hints, &nfshost_ai); if (error) errx(1, "%s: %s", nfshost, gai_strerror(error)); } switch (all) { case 2: if ((mntsize = mntinfo(&mntbuf)) <= 0) break; /* * We unmount the nfs-mounts in the reverse order * that they were mounted. */ for (errs = 0, mntsize--; mntsize > 0; mntsize--) { sfs = &mntbuf[mntsize]; if (checkvfsname(sfs->f_fstypename, typelist)) continue; if (strcmp(sfs->f_mntonname, "/dev") == 0) continue; if (umountfs(sfs) != 0) errs = 1; } free(mntbuf); break; case 1: if (setfsent() == 0) err(1, "%s", getfstab()); errs = umountall(typelist); break; case 0: for (errs = 0; *argv != NULL; ++argv) if (checkname(*argv, typelist) != 0) errs = 1; break; } exit(errs); }
int main(int argc, char *argv[]) { int all, errs, ch, mntsize, error, nfsforce, ret; char **typelist = NULL; struct statfs *mntbuf, *sfs; struct addrinfo hints; nfsforce = all = errs = 0; while ((ch = getopt(argc, argv, "AaF:fh:Nnt:v")) != -1) switch (ch) { case 'A': all = 2; break; case 'a': all = 1; break; case 'F': setfstab(optarg); break; case 'f': fflag |= MNT_FORCE; break; case 'h': /* -h implies -A. */ all = 2; nfshost = optarg; break; case 'N': nfsforce = 1; break; case 'n': fflag |= MNT_NONBUSY; break; case 't': if (typelist != NULL) err(1, "only one -t option may be specified"); typelist = makevfslist(optarg); break; case 'v': vflag = 1; break; default: usage(); /* NOTREACHED */ } argc -= optind; argv += optind; if ((fflag & MNT_FORCE) != 0 && (fflag & MNT_NONBUSY) != 0) err(1, "-f and -n are mutually exclusive"); /* Start disks transferring immediately. */ if ((fflag & (MNT_FORCE | MNT_NONBUSY)) == 0 && nfsforce == 0) sync(); if ((argc == 0 && !all) || (argc != 0 && all)) usage(); if (nfsforce != 0 && (argc == 0 || nfshost != NULL || typelist != NULL)) usage(); /* -h implies "-t nfs" if no -t flag. */ if ((nfshost != NULL) && (typelist == NULL)) typelist = makevfslist("nfs"); if (nfshost != NULL) { memset(&hints, 0, sizeof hints); error = getaddrinfo(nfshost, NULL, &hints, &nfshost_ai); if (error) errx(1, "%s: %s", nfshost, gai_strerror(error)); } switch (all) { case 2: if ((mntsize = mntinfo(&mntbuf)) <= 0) break; /* * We unmount the nfs-mounts in the reverse order * that they were mounted. */ for (errs = 0, mntsize--; mntsize > 0; mntsize--) { sfs = &mntbuf[mntsize]; if (checkvfsname(sfs->f_fstypename, typelist)) continue; if (strcmp(sfs->f_mntonname, "/dev") == 0) continue; if (umountfs(sfs) != 0) errs = 1; } free(mntbuf); break; case 1: if (setfsent() == 0) err(1, "%s", getfstab()); errs = umountall(typelist); break; case 0: for (errs = 0; *argv != NULL; ++argv) if (nfsforce != 0) { /* * First do the nfssvc() syscall to shut down * the mount point and then do the forced * dismount. */ ret = nfssvc(NFSSVC_FORCEDISM, *argv); if (ret >= 0) ret = unmount(*argv, MNT_FORCE); if (ret < 0) { warn("%s", *argv); errs = 1; } } else if (checkname(*argv, typelist) != 0) errs = 1; break; } exit(errs); }