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/*
Copyright (C) 2012 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 "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test.h"
int T0343_compareandwrite_beyondeol(const char *initiator, const char *url, int data_loss, int show_info)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
struct scsi_readcapacity16 *rc16;
int ret, i, lun;
uint32_t block_size;
uint64_t num_blocks;
unsigned char data[4096 * 258];
printf("0343_compareandwrite_beyond_eol:\n");
printf("=======================\n");
if (show_info) {
printf("Test that COMPAREANDWRITE fails if writing beyond end-of-lun.\n");
printf("1, Writing 1-255 blocks with one block beyond end-of-lun should fail.\n");
printf("2, Writing 1-255 blocks at LBA 2^63 should fail.\n");
printf("3, Writing 1-255 blocks at LBA -1 should fail.\n");
printf("4, Writing 1-255 blocks all but one block beyond eol\n");
printf("\n");
return 0;
}
iscsi = iscsi_context_login(initiator, url, &lun);
if (iscsi == NULL) {
printf("Failed to login to target\n");
return -1;
}
/* find the size of the LUN */
task = iscsi_readcapacity16_sync(iscsi, lun);
if (task == NULL) {
printf("Failed to send READCAPACITY16 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("READCAPACITY16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
rc16 = scsi_datain_unmarshall(task);
if (rc16 == NULL) {
printf("failed to unmarshall READCAPACITY16 data. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
block_size = rc16->block_length;
num_blocks = rc16->returned_lba;
scsi_free_scsi_task(task);
if (!data_loss) {
printf("--dataloss flag is not set. Skipping test\n");
ret = -2;
goto finished;
}
ret = 0;
/* read 1 - 255 blocks beyond the end of the device */
printf("Writing 1-255 blocks with one block beyond end-of-device ... ");
for (i = 1; i <= 255; i++) {
task = iscsi_compareandwrite_sync(iscsi, lun, num_blocks + 2 - i, data, i * block_size, block_size, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send COMPAREANDWRITE command: %s\n", iscsi_get_error(iscsi));
ret++;
goto test2;
}
if (task->status == SCSI_STATUS_CHECK_CONDITION
&& task->sense.key == SCSI_SENSE_ILLEGAL_REQUEST
&& task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE) {
printf("[SKIPPED]\n");
printf("Opcode is not implemented on target\n");
scsi_free_scsi_task(task);
ret = -2;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("COMPAREANDWRITE beyond end-of-lun did not return sense. Should have failed with ILLEGAL_REQUEST/LBA_OUT_OF_RANGE.\n");
ret++;
scsi_free_scsi_task(task);
goto test2;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_ILLEGAL_REQUEST
|| task->sense.ascq != SCSI_SENSE_ASCQ_LBA_OUT_OF_RANGE) {
printf("[FAILED]\n");
printf("COMPAREANDWRITE failed but ascq was wrong. Should have failed with ILLEGAL_REQUEST/LBA_OUT_OF_RANGE. Sense:%s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto test2;
}
scsi_free_scsi_task(task);
}
printf("[OK]\n");
test2:
/* read 1 - 255 blocks at lba 2^63 */
printf("Writing 1-255 blocks at LBA 2^63 ... ");
for (i = 1; i < 256; i++) {
task = iscsi_compareandwrite_sync(iscsi, lun, 0x8000000000000000, data, i * block_size, block_size, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send COMPAREANDWRITE command: %s\n", iscsi_get_error(iscsi));
ret++;
goto test3;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("COMPAREANDWRITE beyond end-of-lun did not return sense. Should have failed with ILLEGAL_REQUEST/LBA_OUT_OF_RANGE.\n");
ret++;
scsi_free_scsi_task(task);
goto test3;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_ILLEGAL_REQUEST
|| task->sense.ascq != SCSI_SENSE_ASCQ_LBA_OUT_OF_RANGE) {
printf("[FAILED]\n");
printf("COMPAREANDWRITE failed but ascq was wrong. Should have failed with ILLEGAL_REQUEST/LBA_OUT_OF_RANGE. Sense:%s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto test3;
}
scsi_free_scsi_task(task);
}
printf("[OK]\n");
test3:
/* read 1 - 255 blocks at lba -1 */
printf("Writing 1-255 blocks at LBA -1 ... ");
for (i = 1; i < 256; i++) {
task = iscsi_compareandwrite_sync(iscsi, lun, 0xffffffffffffffff, data, i * block_size, block_size, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send COMPAREANDWRITE command: %s\n", iscsi_get_error(iscsi));
ret++;
goto test4;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("COMPAREANDWRITE beyond end-of-lun did not return sense. Should have failed with ILLEGAL_REQUEST/LBA_OUT_OF_RANGE.\n");
ret++;
scsi_free_scsi_task(task);
goto test4;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_ILLEGAL_REQUEST
|| task->sense.ascq != SCSI_SENSE_ASCQ_LBA_OUT_OF_RANGE) {
printf("[FAILED]\n");
printf("COMPAREANDWRITE failed but ascq was wrong. Should have failed with ILLEGAL_REQUEST/LBA_OUT_OF_RANGE. Sense:%s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto test4;
}
scsi_free_scsi_task(task);
}
printf("[OK]\n");
test4:
/* read 2-255 blocks, all but one block beyond the eol */
printf("Writing 1-255 blocks beyond eol starting at last block ... ");
for (i = 2; i < 256; i++) {
task = iscsi_compareandwrite_sync(iscsi, lun, num_blocks, data, i * block_size, block_size, 0, 0, 0, 0, 0);
if (task == NULL) {
printf("[FAILED]\n");
printf("Failed to send COMPAREANDWRITE command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto test5;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("COMPAREANDWRITE beyond end-of-lun did not return sense. Should have failed with ILLEGAL_REQUEST/LBA_OUT_OF_RANGE.\n");
ret = -1;
scsi_free_scsi_task(task);
goto test5;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_ILLEGAL_REQUEST
|| task->sense.ascq != SCSI_SENSE_ASCQ_LBA_OUT_OF_RANGE) {
printf("[FAILED]\n");
printf("COMPAREANDWRITE failed but ascq was wrong. Should have failed with ILLEGAL_REQUEST/LBA_OUT_OF_RANGE. Sense:%s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto test5;
}
scsi_free_scsi_task(task);
}
printf("[OK]\n");
test5:
finished:
iscsi_logout_sync(iscsi);
iscsi_destroy_context(iscsi);
return ret;
}
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