static void get_session_record(DEVICE *dev, DEV_RECORD *rec, SESSION_LABEL *sessrec)
{
const char *rtype;
memset(sessrec, 0, sizeof(sessrec));
switch (rec->FileIndex) {
case PRE_LABEL:
rtype = _("Fresh Volume Label");
break;
case VOL_LABEL:
rtype = _("Volume Label");
unser_volume_label(dev, rec);
break;
case SOS_LABEL:
rtype = _("Begin Job Session");
unser_session_label(sessrec, rec);
break;
case EOS_LABEL:
rtype = _("End Job Session");
break;
case 0:
case EOM_LABEL:
rtype = _("End of Medium");
break;
default:
rtype = _("Unknown");
break;
}
Dmsg5(10, "%s Record: VolSessionId=%d VolSessionTime=%d JobId=%d DataLen=%d\n",
rtype, rec->VolSessionId, rec->VolSessionTime, rec->Stream, rec->data_len);
if (verbose) {
Pmsg5(-1, _("%s Record: VolSessionId=%d VolSessionTime=%d JobId=%d DataLen=%d\n"),
rtype, rec->VolSessionId, rec->VolSessionTime, rec->Stream, rec->data_len);
}
}
/*
* 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;
}
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;
}