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/*
Copyright (C) 2016 Ronnie Sahlberg <ronniesahlberg@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <CUnit/CUnit.h>
#include "iscsi.h"
#include "iscsi-private.h"
#include "scsi-lowlevel.h"
#include "iscsi-support.h"
#include "iscsi-test-cu.h"
static int new_nlb = -1;
static int my_iscsi_queue_pdu(struct iscsi_context *iscsi, struct iscsi_pdu *pdu)
{
if (pdu->outdata.data[0] != ISCSI_PDU_SCSI_REQUEST && new_nlb >= 0) {
/* change NUMBER OF LOGICAL BLOCKS to new_nlb */
pdu->outdata.data[32 + 13] = new_nlb;
}
return orig_queue_pdu(iscsi, pdu);
}
void
test_compareandwrite_invalid_dataout_size(void)
{
CHECK_FOR_DATALOSS;
CHECK_FOR_THIN_PROVISIONING;
CHECK_FOR_LBPPB_GT_1;
CHECK_FOR_SBC;
CHECK_FOR_ISCSI(sd);
/* override transport queue_pdu callback for PDU manipulation */
sd->iscsi_ctx->drv->queue_pdu = my_iscsi_queue_pdu;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test that COMPAREANDWRITE fails for invalid "
"(too small/too large) DataOut sizes.");
memset(scratch, 0xa6, 2 * block_size);
logging(LOG_VERBOSE, "Check too small DataOut");
logging(LOG_VERBOSE, "COMPAREANDWRITE with DataOut==%zd (4 blocks) "
"and NUMBER OF LOGICAL BLOCKS == 1 ", 4 * block_size);
new_nlb = 1;
COMPAREANDWRITE(sd, 0,
scratch, 4 * block_size,
block_size, 0, 0, 0, 0,
EXPECT_STATUS_GENERIC_BAD);
logging(LOG_VERBOSE, "Check too large DataOut");
logging(LOG_VERBOSE, "COMPAREANDWRITE with DataOut==%zd (4 blocks) "
"and NUMBER OF LOGICAL BLOCKS == 3 ", 4 * block_size);
new_nlb = 3;
COMPAREANDWRITE(sd, 0,
scratch, 4 * block_size,
block_size, 0, 0, 0, 0,
EXPECT_STATUS_GENERIC_BAD);
}
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