Exemplo n.º 1
0
Arquivo: bls.c Projeto: AlD/bareos
/* 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);
}
Exemplo n.º 2
0
/*  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;
}
Exemplo n.º 3
0
/*
 * 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);
   }
}
Exemplo n.º 4
0
/*
 * 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;
}
Exemplo n.º 5
0
/*
 * 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;
}
Exemplo n.º 6
0
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;
}