/* Do an ls type listing of an archive */ static void do_ls(char *infname) { if (dump_label) { dump_volume_label(dev); return; } read_records(dcr, record_cb, mount_next_read_volume); printf("%u files found.\n", num_files); }
/* unser_volume_label * * Unserialize the Bareos Volume label into the device Volume_Label * structure. * * Assumes that the record is already read. * * Returns: false on error * true on success */ bool unser_volume_label(DEVICE *dev, DEV_RECORD *rec) { ser_declare; char buf1[100], buf2[100]; if (rec->FileIndex != VOL_LABEL && rec->FileIndex != PRE_LABEL) { Mmsg3(dev->errmsg, _("Expecting Volume Label, got FI=%s Stream=%s len=%d\n"), FI_to_ascii(buf1, rec->FileIndex), stream_to_ascii(buf2, rec->Stream, rec->FileIndex), rec->data_len); if (!forge_on) { return false; } } dev->VolHdr.LabelType = rec->FileIndex; dev->VolHdr.LabelSize = rec->data_len; /* Unserialize the record into the Volume Header */ rec->data = check_pool_memory_size(rec->data, SER_LENGTH_Volume_Label); ser_begin(rec->data, SER_LENGTH_Volume_Label); unser_string(dev->VolHdr.Id); unser_uint32(dev->VolHdr.VerNum); if (dev->VolHdr.VerNum >= 11) { unser_btime(dev->VolHdr.label_btime); unser_btime(dev->VolHdr.write_btime); } else { /* old way */ unser_float64(dev->VolHdr.label_date); unser_float64(dev->VolHdr.label_time); } unser_float64(dev->VolHdr.write_date); /* Unused with VerNum >= 11 */ unser_float64(dev->VolHdr.write_time); /* Unused with VerNum >= 11 */ unser_string(dev->VolHdr.VolumeName); unser_string(dev->VolHdr.PrevVolumeName); unser_string(dev->VolHdr.PoolName); unser_string(dev->VolHdr.PoolType); unser_string(dev->VolHdr.MediaType); unser_string(dev->VolHdr.HostName); unser_string(dev->VolHdr.LabelProg); unser_string(dev->VolHdr.ProgVersion); unser_string(dev->VolHdr.ProgDate); ser_end(rec->data, SER_LENGTH_Volume_Label); Dmsg0(190, "unser_vol_label\n"); if (debug_level >= 190) { dump_volume_label(dev); } return true; }
/* * Create a volume label in memory */ void create_volume_label(DEVICE *dev, const char *VolName, const char *PoolName) { DEVRES *device = (DEVRES *)dev->device; Dmsg0(130, "Start create_volume_label()\n"); ASSERT(dev != NULL); dev->clear_volhdr(); /* clear any old volume info */ if (me->compatible) { bstrncpy(dev->VolHdr.Id, OldBaculaId, sizeof(dev->VolHdr.Id)); dev->VolHdr.VerNum = OldCompatibleBareosTapeVersion1; } else { bstrncpy(dev->VolHdr.Id, BareosId, sizeof(dev->VolHdr.Id)); dev->VolHdr.VerNum = BareosTapeVersion; } dev->VolHdr.LabelType = PRE_LABEL; /* Mark tape as unused */ bstrncpy(dev->VolHdr.VolumeName, VolName, sizeof(dev->VolHdr.VolumeName)); bstrncpy(dev->VolHdr.PoolName, PoolName, sizeof(dev->VolHdr.PoolName)); bstrncpy(dev->VolHdr.MediaType, device->media_type, sizeof(dev->VolHdr.MediaType)); bstrncpy(dev->VolHdr.PoolType, "Backup", sizeof(dev->VolHdr.PoolType)); dev->VolHdr.label_btime = get_current_btime(); dev->VolHdr.label_date = 0; dev->VolHdr.label_time = 0; if (gethostname(dev->VolHdr.HostName, sizeof(dev->VolHdr.HostName)) != 0) { dev->VolHdr.HostName[0] = 0; } bstrncpy(dev->VolHdr.LabelProg, my_name, sizeof(dev->VolHdr.LabelProg)); sprintf(dev->VolHdr.ProgVersion, "Ver. %s %s", VERSION, BDATE); sprintf(dev->VolHdr.ProgDate, "Build %s %s", __DATE__, __TIME__); dev->set_labeled(); /* set has Bareos label */ if (debug_level >= 90) { dump_volume_label(dev); } }
/* * Read the volume label * * If dcr->VolumeName == NULL, we accept any Bareos Volume * If dcr->VolumeName[0] == 0, we accept any Bareos Volume * otherwise dcr->VolumeName must match the Volume. * * If VolName given, ensure that it matches * * Returns VOL_ code as defined in record.h * VOL_NOT_READ * VOL_OK good label found * VOL_NO_LABEL volume not labeled * VOL_IO_ERROR I/O error reading tape * VOL_NAME_ERROR label has wrong name * VOL_CREATE_ERROR Error creating label * VOL_VERSION_ERROR label has wrong version * VOL_LABEL_ERROR bad label type * VOL_NO_MEDIA no media in drive * * The dcr block is emptied on return, and the Volume is * rewound. */ int read_dev_volume_label(DCR *dcr) { JCR *jcr = dcr->jcr; DEVICE * volatile dev = dcr->dev; char *VolName = dcr->VolumeName; DEV_RECORD *record; bool ok = false; DEV_BLOCK *block = dcr->block; int status; bool want_ansi_label; bool have_ansi_label = false; Dmsg4(100, "Enter read_volume_label res=%d device=%s vol=%s dev_Vol=%s\n", dev->num_reserved(), dev->print_name(), VolName, dev->VolHdr.VolumeName[0]?dev->VolHdr.VolumeName:"*NULL*"); if (!dev->is_open()) { if (!dev->open(dcr, OPEN_READ_ONLY)) { return VOL_IO_ERROR; } } dev->clear_labeled(); dev->clear_append(); dev->clear_read(); dev->label_type = B_BAREOS_LABEL; if (!dev->rewind(dcr)) { Mmsg(jcr->errmsg, _("Couldn't rewind device %s: ERR=%s\n"), dev->print_name(), dev->print_errmsg()); Dmsg1(130, "return VOL_NO_MEDIA: %s", jcr->errmsg); return VOL_NO_MEDIA; } bstrncpy(dev->VolHdr.Id, "**error**", sizeof(dev->VolHdr.Id)); /* * The stored plugin handling the bsdEventLabelRead event can abort * the reading of the label by returning a non bRC_OK. */ if (generate_plugin_event(jcr, bsdEventLabelRead, dcr) != bRC_OK) { Dmsg0(200, "Error from bsdEventLabelRead plugin event.\n"); return VOL_NO_MEDIA; } /* * Read ANSI/IBM label if so requested */ want_ansi_label = dcr->VolCatInfo.LabelType != B_BAREOS_LABEL || dcr->device->label_type != B_BAREOS_LABEL; if (want_ansi_label || dev->has_cap(CAP_CHECKLABELS)) { status = read_ansi_ibm_label(dcr); /* * If we want a label and didn't find it, return error */ if (want_ansi_label && status != VOL_OK) { goto bail_out; } if (status == VOL_NAME_ERROR || status == VOL_LABEL_ERROR) { Mmsg(jcr->errmsg, _("Wrong Volume mounted on device %s: Wanted %s have %s\n"), dev->print_name(), VolName, dev->VolHdr.VolumeName); if (!dev->poll && jcr->label_errors++ > 100) { Jmsg(jcr, M_FATAL, 0, _("Too many tries: %s"), jcr->errmsg); } goto bail_out; } if (status != VOL_OK) { /* Not an ANSI/IBM label, so re-read */ dev->rewind(dcr); } else { have_ansi_label = true; } } /* * Read the Bareos Volume label block */ record = new_record(); empty_block(block); Dmsg0(130, "Big if statement in read_volume_label\n"); if (!dcr->read_block_from_dev(NO_BLOCK_NUMBER_CHECK)) { Mmsg(jcr->errmsg, _("Requested Volume \"%s\" on %s is not a Bareos " "labeled Volume, because: ERR=%s"), NPRT(VolName), dev->print_name(), dev->print_errmsg()); Dmsg1(130, "%s", jcr->errmsg); } else if (!read_record_from_block(dcr, record)) { Mmsg(jcr->errmsg, _("Could not read Volume label from block.\n")); Dmsg1(130, "%s", jcr->errmsg); } else if (!unser_volume_label(dev, record)) { Mmsg(jcr->errmsg, _("Could not unserialize Volume label: ERR=%s\n"), dev->print_errmsg()); Dmsg1(130, "%s", jcr->errmsg); } else if (!bstrcmp(dev->VolHdr.Id, BareosId) && !bstrcmp(dev->VolHdr.Id, OldBaculaId) && !bstrcmp(dev->VolHdr.Id, OlderBaculaId)) { Mmsg(jcr->errmsg, _("Volume Header Id bad: %s\n"), dev->VolHdr.Id); Dmsg1(130, "%s", jcr->errmsg); } else { ok = true; } free_record(record); /* finished reading Volume record */ if (!dev->is_volume_to_unload()) { dev->clear_unload(); } if (!ok) { if (forge_on || jcr->ignore_label_errors) { dev->set_labeled(); /* set has Bareos label */ Jmsg(jcr, M_ERROR, 0, "%s", jcr->errmsg); goto ok_out; } Dmsg0(100, "No volume label - bailing out\n"); status = VOL_NO_LABEL; goto bail_out; } /* * At this point, we have read the first Bareos block, and * then read the Bareos Volume label. Now we need to * make sure we have the right Volume. */ if (dev->VolHdr.VerNum != BareosTapeVersion && dev->VolHdr.VerNum != OldCompatibleBareosTapeVersion1 && dev->VolHdr.VerNum != OldCompatibleBareosTapeVersion2 && dev->VolHdr.VerNum != OldCompatibleBareosTapeVersion3) { Mmsg(jcr->errmsg, _("Volume on %s has wrong Bareos version. Wanted %d got %d\n"), dev->print_name(), BareosTapeVersion, dev->VolHdr.VerNum); Dmsg1(130, "VOL_VERSION_ERROR: %s", jcr->errmsg); status = VOL_VERSION_ERROR; goto bail_out; } /* * We are looking for either an unused Bareos tape (PRE_LABEL) or * a Bareos volume label (VOL_LABEL) */ if (dev->VolHdr.LabelType != PRE_LABEL && dev->VolHdr.LabelType != VOL_LABEL) { Mmsg(jcr->errmsg, _("Volume on %s has bad Bareos label type: %x\n"), dev->print_name(), dev->VolHdr.LabelType); Dmsg1(130, "%s", jcr->errmsg); if (!dev->poll && jcr->label_errors++ > 100) { Jmsg(jcr, M_FATAL, 0, _("Too many tries: %s"), jcr->errmsg); } Dmsg0(150, "return VOL_LABEL_ERROR\n"); status = VOL_LABEL_ERROR; goto bail_out; } dev->set_labeled(); /* set has Bareos label */ /* Compare Volume Names */ Dmsg2(130, "Compare Vol names: VolName=%s hdr=%s\n", VolName?VolName:"*", dev->VolHdr.VolumeName); if (VolName && *VolName && *VolName != '*' && !bstrcmp(dev->VolHdr.VolumeName, VolName)) { Mmsg(jcr->errmsg, _("Wrong Volume mounted on device %s: Wanted %s have %s\n"), dev->print_name(), VolName, dev->VolHdr.VolumeName); Dmsg1(130, "%s", jcr->errmsg); /* * Cancel Job if too many label errors * => we are in a loop */ if (!dev->poll && jcr->label_errors++ > 100) { Jmsg(jcr, M_FATAL, 0, "Too many tries: %s", jcr->errmsg); } Dmsg0(150, "return VOL_NAME_ERROR\n"); status = VOL_NAME_ERROR; goto bail_out; } if (debug_level >= 200) { dump_volume_label(dev); } Dmsg0(130, "Leave read_volume_label() VOL_OK\n"); /* * If we are a streaming device, we only get one chance to read */ if (!dev->has_cap(CAP_STREAM)) { dev->rewind(dcr); if (have_ansi_label) { status = read_ansi_ibm_label(dcr); /* * If we want a label and didn't find it, return error */ if (status != VOL_OK) { goto bail_out; } } } Dmsg1(100, "Call reserve_volume=%s\n", dev->VolHdr.VolumeName); if (reserve_volume(dcr, dev->VolHdr.VolumeName) == NULL) { Mmsg2(jcr->errmsg, _("Could not reserve volume %s on %s\n"), dev->VolHdr.VolumeName, dev->print_name()); Dmsg2(150, "Could not reserve volume %s on %s\n", dev->VolHdr.VolumeName, dev->print_name()); status = VOL_NAME_ERROR; goto bail_out; } ok_out: /* * The stored plugin handling the bsdEventLabelVerified event can override * the return value e.g. although we think the volume label is ok the plugin * has reasons to override that. So when the plugin returns something else * then bRC_OK it want to tell us the volume is not OK to use and as * such we return VOL_NAME_ERROR as error although it might not be te * best error it should be sufficient. */ if (generate_plugin_event(jcr, bsdEventLabelVerified, dcr) != bRC_OK) { Dmsg0(200, "Error from bsdEventLabelVerified plugin event.\n"); status = VOL_NAME_ERROR; goto bail_out; } empty_block(block); return VOL_OK; bail_out: empty_block(block); dev->rewind(dcr); Dmsg1(150, "return %d\n", status); return status; }
/* * Write a Volume Label * !!! Note, this is ONLY used for writing * a fresh volume label. Any data * after the label will be destroyed, * in fact, we write the label 5 times !!!! * * This routine should be used only when labeling a blank tape. */ bool write_new_volume_label_to_dev(DCR *dcr, const char *VolName, const char *PoolName, bool relabel) { JCR *jcr = dcr->jcr; DEVICE *dev = dcr->dev; DEV_BLOCK *block = dcr->block; Dmsg0(150, "write_volume_label()\n"); if (*VolName == 0) { Pmsg0(0, "=== ERROR: write_new_volume_label_to_dev called with NULL VolName\n"); goto bail_out; } if (relabel) { volume_unused(dcr); /* mark current volume unused */ /* Truncate device */ if (!dev->truncate(dcr)) { goto bail_out; } if (!dev->is_tape()) { dev->close(dcr); /* make sure file closed for rename */ } } /* Set the new filename for open, ... */ dev->setVolCatName(VolName); dcr->setVolCatName(VolName); Dmsg1(150, "New VolName=%s\n", VolName); if (!dev->open(dcr, OPEN_READ_WRITE)) { /* If device is not tape, attempt to create it */ if (dev->is_tape() || !dev->open(dcr, CREATE_READ_WRITE)) { Jmsg3(jcr, M_WARNING, 0, _("Open device %s Volume \"%s\" failed: ERR=%s\n"), dev->print_name(), dcr->VolumeName, dev->bstrerror()); goto bail_out; } } Dmsg1(150, "Label type=%d\n", dev->label_type); /* * Let any stored plugin know that we are about to write a new label to the volume. */ if (generate_plugin_event(jcr, bsdEventLabelWrite, dcr) != bRC_OK) { Dmsg0(200, "Error from bsdEventLabelWrite plugin event.\n"); goto bail_out; } for ( ;; ) { empty_block(block); if (!dev->rewind(dcr)) { Dmsg2(130, "Bad status on %s from rewind: ERR=%s\n", dev->print_name(), dev->print_errmsg()); if (!forge_on) { goto bail_out; } } /* Temporarily mark in append state to enable writing */ dev->set_append(); /* Create PRE_LABEL */ create_volume_label(dev, VolName, PoolName); /* * If we have already detected an ANSI label, re-read it * to skip past it. Otherwise, we write a new one if * so requested. */ if (dev->label_type != B_BAREOS_LABEL) { if (read_ansi_ibm_label(dcr) != VOL_OK) { dev->rewind(dcr); goto bail_out; } } else if (!write_ansi_ibm_labels(dcr, ANSI_VOL_LABEL, VolName)) { goto bail_out; } create_volume_label_record(dcr, dev, dcr->rec); dcr->rec->Stream = 0; dcr->rec->maskedStream = 0; if (!write_record_to_block(dcr, dcr->rec)) { Dmsg2(130, "Bad Label write on %s: ERR=%s\n", dev->print_name(), dev->print_errmsg()); goto bail_out; } else { Dmsg2(130, "Wrote label of %d bytes to %s\n", dcr->rec->data_len, dev->print_name()); } Dmsg0(130, "Call write_block_to_dev()\n"); if (!dcr->write_block_to_dev()) { Dmsg2(130, "Bad Label write on %s: ERR=%s\n", dev->print_name(), dev->print_errmsg()); goto bail_out; } break; } dev = dcr->dev; Dmsg0(130, " Wrote block to device\n"); if (dev->weof(1)) { dev->set_labeled(); write_ansi_ibm_labels(dcr, ANSI_EOF_LABEL, dev->VolHdr.VolumeName); } if (debug_level >= 20) { dump_volume_label(dev); } Dmsg0(100, "Call reserve_volume\n"); if (reserve_volume(dcr, VolName) == NULL) { Mmsg2(jcr->errmsg, _("Could not reserve volume %s on %s\n"), dev->VolHdr.VolumeName, dev->print_name()); Dmsg1(100, "%s", jcr->errmsg); goto bail_out; } dev = dcr->dev; /* may have changed in reserve_volume */ dev->clear_append(); /* remove append since this is PRE_LABEL */ return true; bail_out: volume_unused(dcr); dev->clear_volhdr(); dev->clear_append(); /* remove append since this is PRE_LABEL */ return false; }
void dump_label_record(DEVICE *dev, DEV_RECORD *rec, bool verbose) { const char *type; int dbl; if (rec->FileIndex == 0 && rec->VolSessionId == 0 && rec->VolSessionTime == 0) { return; } dbl = debug_level; debug_level = 1; switch (rec->FileIndex) { case PRE_LABEL: type = _("Fresh Volume"); break; case VOL_LABEL: type = _("Volume"); break; case SOS_LABEL: type = _("Begin Job Session"); break; case EOS_LABEL: type = _("End Job Session"); break; case EOM_LABEL: type = _("End of Media"); break; case EOT_LABEL: type = _("End of Tape"); break; default: type = _("Unknown"); break; } if (verbose) { switch (rec->FileIndex) { case PRE_LABEL: case VOL_LABEL: unser_volume_label(dev, rec); dump_volume_label(dev); break; case SOS_LABEL: dump_session_label(rec, type); break; case EOS_LABEL: dump_session_label(rec, type); break; case EOM_LABEL: Pmsg7(-1, _("%s Record: File:blk=%u:%u SessId=%d SessTime=%d JobId=%d DataLen=%d\n"), type, dev->file, dev->block_num, rec->VolSessionId, rec->VolSessionTime, rec->Stream, rec->data_len); break; case EOT_LABEL: Pmsg0(-1, _("End of physical tape.\n")); break; default: Pmsg7(-1, _("%s Record: File:blk=%u:%u SessId=%d SessTime=%d JobId=%d DataLen=%d\n"), type, dev->file, dev->block_num, rec->VolSessionId, rec->VolSessionTime, rec->Stream, rec->data_len); break; } } else { SESSION_LABEL label; char dt[50]; switch (rec->FileIndex) { case SOS_LABEL: unser_session_label(&label, rec); bstrftimes(dt, sizeof(dt), btime_to_utime(label.write_btime)); Pmsg6(-1, _("%s Record: File:blk=%u:%u SessId=%d SessTime=%d JobId=%d\n"), type, dev->file, dev->block_num, rec->VolSessionId, rec->VolSessionTime, label.JobId); Pmsg4(-1, _(" Job=%s Date=%s Level=%c Type=%c\n"), label.Job, dt, label.JobLevel, label.JobType); break; case EOS_LABEL: char ed1[30], ed2[30]; unser_session_label(&label, rec); bstrftimes(dt, sizeof(dt), btime_to_utime(label.write_btime)); Pmsg6(-1, _("%s Record: File:blk=%u:%u SessId=%d SessTime=%d JobId=%d\n"), type, dev->file, dev->block_num, rec->VolSessionId, rec->VolSessionTime, label.JobId); Pmsg7(-1, _(" Date=%s Level=%c Type=%c Files=%s Bytes=%s Errors=%d Status=%c\n"), dt, label.JobLevel, label.JobType, edit_uint64_with_commas(label.JobFiles, ed1), edit_uint64_with_commas(label.JobBytes, ed2), label.JobErrors, (char)label.JobStatus); break; case EOM_LABEL: case PRE_LABEL: case VOL_LABEL: default: Pmsg7(-1, _("%s Record: File:blk=%u:%u SessId=%d SessTime=%d JobId=%d DataLen=%d\n"), type, dev->file, dev->block_num, rec->VolSessionId, rec->VolSessionTime, rec->Stream, rec->data_len); break; case EOT_LABEL: break; } } debug_level = dbl; }