89 lines
3.2 KiB
C
89 lines
3.2 KiB
C
/*
|
|
Copyright (C) 2013 by 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 <arpa/inet.h>
|
|
#include <CUnit/CUnit.h>
|
|
|
|
#include "iscsi.h"
|
|
#include "iscsi-private.h"
|
|
#include "scsi-lowlevel.h"
|
|
#include "iscsi-test-cu.h"
|
|
|
|
static int change_cmdsn;
|
|
|
|
static void my_iscsi_queue_pdu(struct iscsi_context *iscsi, struct iscsi_pdu *pdu)
|
|
{
|
|
switch (change_cmdsn) {
|
|
case 1:
|
|
/*
|
|
* change the cmdsn so it becomes too big. TODO: use
|
|
* iscsi_pdu_set_cmdsn(), which also changes pdu->cmdsn?
|
|
*/
|
|
scsi_set_uint32(&pdu->outdata.data[24], iscsi->maxcmdsn + 1);
|
|
/*
|
|
* Fudge the cmdsn value back to where it should be if this pdu
|
|
* is ignored. The cmdsn value will be incremented by the
|
|
* orig_queue_pdu(), so it's off by one.
|
|
*/
|
|
iscsi->cmdsn = iscsi->expcmdsn - 1;
|
|
break;
|
|
}
|
|
|
|
change_cmdsn = 0;
|
|
orig_queue_pdu(iscsi, pdu);
|
|
}
|
|
|
|
void test_iscsi_cmdsn_toohigh(void)
|
|
{
|
|
int ret;
|
|
|
|
logging(LOG_VERBOSE, LOG_BLANK_LINE);
|
|
logging(LOG_VERBOSE, "Test sending invalid iSCSI CMDSN");
|
|
logging(LOG_VERBOSE, "CMDSN MUST be in the range EXPCMDSN and MAXCMDSN");
|
|
|
|
CHECK_FOR_ISCSI(sd);
|
|
|
|
logging(LOG_VERBOSE, "RFC3720:3.2.2.1 CMDSN > MAXCMDSN must be silently ignored by the target");
|
|
logging(LOG_VERBOSE, "Send a TESTUNITREADY with CMDSN == MAXCMDSN+1. Should be ignored by the target.");
|
|
|
|
sd->iscsi_ctx->use_immediate_data = ISCSI_IMMEDIATE_DATA_NO;
|
|
sd->iscsi_ctx->target_max_recv_data_segment_length = block_size;
|
|
/* override transport queue_pdu callback for PDU manipulation */
|
|
sd->iscsi_ctx->drv->queue_pdu = my_iscsi_queue_pdu;
|
|
change_cmdsn = 1;
|
|
/* we don't want autoreconnect since some targets will incorrectly
|
|
* drop the connection on this condition.
|
|
*/
|
|
iscsi_set_noautoreconnect(sd->iscsi_ctx, 1);
|
|
iscsi_set_timeout(sd->iscsi_ctx, 3);
|
|
|
|
ret = testunitready(sd,
|
|
EXPECT_STATUS_TIMEOUT);
|
|
CU_ASSERT_EQUAL(ret, 0);
|
|
if (ret == 0) {
|
|
logging(LOG_VERBOSE, "[SUCCESS] We did not receive a reply");
|
|
} else {
|
|
logging(LOG_VERBOSE, "[FAILURE] We got a response from the target but SMDSN was outside of the window.");
|
|
}
|
|
|
|
iscsi_set_noautoreconnect(sd->iscsi_ctx, 0);
|
|
logging(LOG_VERBOSE, "Send a TESTUNITREADY with CMDSN == EXPCMDSN. should work again");
|
|
TESTUNITREADY(sd,
|
|
EXPECT_STATUS_GOOD);
|
|
}
|