void PAR_warning(const Arg::StatusVector& v)
{
/**************************************
*
* P A R _ w a r n i n g
*
**************************************
*
* Functional description
* This is for GBAK so that we can pass warning messages
* back to the client. DO NOT USE this function until we
* fully implement warning at the engine level.
*
* We will use the status vector like a warning vector. What
* we are going to do is leave the [1] position of the vector
* as 0 so that this will not be treated as an error, and we
* will place our warning message in the consecutive positions.
* It will be up to the caller to check these positions for
* the message.
*
**************************************/
fb_assert(v.value()[0] == isc_arg_warning);
thread_db* tdbb = JRD_get_thread_data();
// Make sure that the [1] position is 0 indicating that no error has occurred
Arg::Gds p(FB_SUCCESS);
// Now place your warning messages
p.append(v);
// Save into tdbb
p.copyTo(tdbb->tdbb_status_vector);
}
//____________________________________________________________
//
// Post an error sequence to the status vector. Since an error
// sequence can, in theory, be arbitrarily lock, pull a cheap
// trick to get the address of the argument vector.
//
// this is a copy of the routine found in err.c with the
// exception that it uses a different error block - one which
// is local to the V3 DSQL routines...
//
static void error_post(const Arg::StatusVector& v)
{
// Save status vector in appropriate place
v.copyTo(UDSQL_error->dsql_status);
// Give up whatever we were doing and return to the user.
Firebird::status_exception::raise(UDSQL_error->dsql_status);
}
void ERR_post_nothrow(const Arg::StatusVector& v)
/**************************************
*
* E R R _ p o s t _ n o t h r o w
*
**************************************
*
* Functional description
* Create a status vector.
*
**************************************/
{
fb_assert(v.value()[0] == isc_arg_gds);
ISC_STATUS_ARRAY vector;
v.copyTo(vector);
ERR_make_permanent(vector);
internal_post(vector);
}
bool ERR_post_warning(const Arg::StatusVector& v)
{
/**************************************
*
* E R R _ p o s t _ w a r n i n g
*
**************************************
*
* Functional description
* Post a warning to the current status vector.
*
**************************************/
fb_assert(v.value()[0] == isc_arg_warning);
size_t indx = 0, warning_indx = 0;
ISC_STATUS* const status_vector = JRD_get_thread_data()->tdbb_status_vector;
if (status_vector[0] != isc_arg_gds ||
(status_vector[0] == isc_arg_gds && status_vector[1] == 0 &&
status_vector[2] != isc_arg_warning))
{
// this is a blank status vector
fb_utils::init_status(status_vector);
indx = 2;
}
else
{
// find end of a status vector
PARSE_STATUS(status_vector, indx, warning_indx);
if (indx)
--indx;
}
// stuff the warning
if (indx + v.length() + 1 < ISC_STATUS_LENGTH)
{
memcpy(&status_vector[indx], v.value(), sizeof(ISC_STATUS) * (v.length() + 1));
ERR_make_permanent(&status_vector[indx]);
return true;
}
// not enough free space
return false;
}
void UserManagement::checkSecurityResult(int errcode, IStatus* status,
const char* userName, int operation)
{
if (!errcode)
{
return;
}
errcode = Auth::setGsecCode(errcode, operation);
Arg::StatusVector tmp;
tmp << Arg::Gds(ENCODE_ISC_MSG(errcode, GSEC_MSG_FAC));
if (errcode == GsecMsg22)
{
tmp << userName;
}
tmp.append(Arg::StatusVector(status));
tmp.raise();
}
// We've got a blr error other than a syntax error. Handle it.
static void par_error(BlrReader& blrReader, const Arg::StatusVector& v, bool isSyntaxError)
{
fb_assert(v.value()[0] == isc_arg_gds);
// Don't bother to pass tdbb for error handling
thread_db* tdbb = JRD_get_thread_data();
if (isSyntaxError)
{
blrReader.seekBackward(1);
Arg::Gds p(isc_invalid_blr);
p << Arg::Num(blrReader.getOffset());
p.append(v);
p.copyTo(tdbb->tdbb_status_vector);
}
else
v.copyTo(tdbb->tdbb_status_vector);
// Give up whatever we were doing and return to the user.
ERR_punt();
}
static ISC_STATUS error(ISC_STATUS* status, const Arg::StatusVector& v)
{
/**************************************
*
* e r r o r
*
**************************************
*
* Functional description
* Stuff a status vector.
*
**************************************/
return v.copyTo(status);
}
void ERR_make_permanent(Arg::StatusVector& v)
/**************************************
*
* E R R _ m a k e _ p e r m a n e n t
*
**************************************
*
* Functional description
* Make strings in vector permanent
*
**************************************/
{
ERR_make_permanent(const_cast<ISC_STATUS*>(v.value()));
}
void ERR_build_status(ISC_STATUS* status_vector, const Arg::StatusVector& v)
{
/**************************************
*
* E R R _ a p p e n d _ s t a t u s
*
**************************************
*
* Functional description
* Append the given status vector with the passed arguments.
*
**************************************/
v.copyTo(status_vector);
ERR_make_permanent(status_vector);
}
void UserManagement::execute(USHORT id)
{
#if (defined BOOT_BUILD || defined EMBEDDED)
status_exception::raise(Arg::Gds(isc_wish_list));
#else
if (!transaction || !commands[id])
{
// Already executed
return;
}
if (id >= commands.getCount())
{
status_exception::raise(Arg::Gds(isc_random) << "Wrong job id passed to UserManagement::execute()");
}
ISC_STATUS_ARRAY status;
int errcode = (!commands[id]->user_name_entered) ? GsecMsg18 :
SECURITY_exec_line(status, database, transaction, commands[id], NULL, NULL);
switch (errcode)
{
case 0: // nothing
break;
case GsecMsg22:
{
Arg::StatusVector tmp;
tmp << Arg::Gds(ENCODE_ISC_MSG(errcode, GSEC_MSG_FAC)) << Arg::Str(commands[id]->user_name);
tmp.append(Arg::StatusVector(&status[0]));
tmp.raise();
}
default:
{
Arg::StatusVector tmp;
tmp << Arg::Gds(ENCODE_ISC_MSG(errcode, GSEC_MSG_FAC));
tmp.append(Arg::StatusVector(&status[0]));
tmp.raise();
}
}
delete commands[id];
commands[id] = NULL;
#endif
}
void ERR_warning(const Arg::StatusVector& v)
{
/**************************************
*
* E R R _ w a r n i n g
*
**************************************
*
* Functional description
* Write an error out to the status vector but
* don't throw an exception. This allows
* sending a warning message back to the user
* without stopping execution of a request. Note
* that subsequent errors can supersede this one.
*
**************************************/
thread_db* tdbb = JRD_get_thread_data();
ISC_STATUS* s = tdbb->tdbb_status_vector;
v.copyTo(s);
ERR_make_permanent(s);
DEBUG;
tdbb->getRequest()->req_flags |= req_warning;
}
void Jrd::Attachment::resetSession(thread_db* tdbb, jrd_tra** traHandle)
{
jrd_tra* oldTran = traHandle ? *traHandle : nullptr;
if (att_transactions)
{
int n = 0;
bool err = false;
for (const jrd_tra* tra = att_transactions; tra; tra = tra->tra_next)
{
n++;
if (tra != oldTran && !(tra->tra_flags & TRA_prepared))
err = true;
}
// Cannot reset user session
// There are open transactions (@1 active)
if (err)
{
ERR_post(Arg::Gds(isc_ses_reset_err) <<
Arg::Gds(isc_ses_reset_open_trans) << Arg::Num(n));
}
}
// TODO: trigger before reset
ULONG oldFlags = 0;
SSHORT oldTimeout = 0;
if (oldTran)
{
oldFlags = oldTran->tra_flags;
oldTimeout = oldTran->tra_lock_timeout;
try
{
// It will also run run ON TRANSACTION ROLLBACK triggers
JRD_rollback_transaction(tdbb, oldTran);
*traHandle = nullptr;
}
catch (const Exception& ex)
{
Arg::StatusVector error;
error.assign(ex);
error.prepend(Arg::Gds(isc_ses_reset_err));
error.raise();
}
// Session was reset with warning(s)
// Transaction is rolled back due to session reset, all changes are lost
if (oldFlags & TRA_write)
{
ERR_post_warning(Arg::Warning(isc_ses_reset_warn) <<
Arg::Gds(isc_ses_reset_tran_rollback));
}
}
// reset DecFloat
att_dec_status = DecimalStatus::DEFAULT;
att_dec_binding = DecimalBinding::DEFAULT;
// reset timeouts
setIdleTimeout(0);
setStatementTimeout(0);
// reset context variables
att_context_vars.clear();
// reset role
if (att_user->resetRole())
SCL_release_all(att_security_classes);
// reset GTT's
releaseGTTs(tdbb);
if (oldTran)
{
try
{
jrd_tra* newTran = TRA_start(tdbb, oldFlags, oldTimeout);
// run ON TRANSACTION START triggers
JRD_run_trans_start_triggers(tdbb, newTran);
tdbb->setTransaction(newTran);
*traHandle = newTran;
}
catch (const Exception& ex)
{
Arg::StatusVector error;
error.assign(ex);
error.prepend(Arg::Gds(isc_ses_reset_err));
error.raise();
}
}
// TODO: trigger after reset
}