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/*
Copyright (C) 2010 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 <stdlib.h>
#include <string.h>
#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test.h"
int T0103_read10_rdprotect(const char *initiator, const char *url, int data_loss _U_, int show_info)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
int full_size;
struct scsi_inquiry_standard *inq;
struct scsi_readcapacity10 *rc10;
uint32_t block_size;
int ret, i, lun;
printf("0103_read10_rdprotect:\n");
printf("======================\n");
if (show_info) {
printf("Test how READ10 handles the rdprotect bits\n");
printf("1, Any non-zero valued for rdprotect should fail.\n");
printf("\n");
return 0;
}
iscsi = iscsi_context_login(initiator, url, &lun);
if (iscsi == NULL) {
printf("Failed to login to target\n");
return -1;
}
/* See how big this inquiry data is */
task = iscsi_inquiry_sync(iscsi, lun, 0, 0, 64);
if (task == NULL || task->status != SCSI_STATUS_GOOD) {
printf("Inquiry command failed : %s\n", iscsi_get_error(iscsi));
return -1;
}
full_size = scsi_datain_getfullsize(task);
if (full_size > task->datain.size) {
scsi_free_scsi_task(task);
/* we need more data for the full list */
if ((task = iscsi_inquiry_sync(iscsi, lun, 0, 0, full_size)) == NULL) {
printf("Inquiry command failed : %s\n", iscsi_get_error(iscsi));
return -1;
}
}
inq = scsi_datain_unmarshall(task);
if (inq == NULL) {
printf("failed to unmarshall inquiry datain blob\n");
scsi_free_scsi_task(task);
return -1;
}
if (inq->device_type != SCSI_INQUIRY_PERIPHERAL_DEVICE_TYPE_DIRECT_ACCESS) {
printf("LUN is not SBC device. Skipping test\n");
scsi_free_scsi_task(task);
return -2;
}
if (inq->protect) {
printf("LUN is formatted with protection information. Skipping test\n");
scsi_free_scsi_task(task);
return -2;
}
scsi_free_scsi_task(task);
/* find the size of the LUN */
task = iscsi_readcapacity10_sync(iscsi, lun, 0, 0);
if (task == NULL) {
printf("Failed to send readcapacity10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("Readcapacity command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
rc10 = scsi_datain_unmarshall(task);
if (rc10 == NULL) {
printf("failed to unmarshall readcapacity10 data. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
block_size = rc10->block_size;
scsi_free_scsi_task(task);
ret = 0;
/* Try out Different non-zero values for RDPROTECT. They should all fail */
printf("Read10 with non-zero RDPROTECT ... ");
for (i = 1; i < 8; i++) {
task = malloc(sizeof(struct scsi_task));
if (task == NULL) {
printf("Failed to allocate task structure\n");
ret = -1;
goto finished;
}
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_READ10;
task->cdb[1] = (i<<5)&0xe0;
task->cdb[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = block_size;
if (iscsi_scsi_command_sync(iscsi, lun, task, NULL) == NULL) {
printf("[FAILED]\n");
printf("Failed to send read10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->status != SCSI_STATUS_CHECK_CONDITION
|| task->sense.key != SCSI_SENSE_ILLEGAL_REQUEST
|| task->sense.ascq != SCSI_SENSE_ASCQ_INVALID_FIELD_IN_CDB) {
printf("[FAILED]\n");
printf("READ10 with rdprotect should fail with ILLEGAL REQUEST/INVALID_FIELD_IN_CDB\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
}
printf("[OK]\n");
finished:
iscsi_logout_sync(iscsi);
iscsi_destroy_context(iscsi);
return ret;
}
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