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/*
Copyright (C) 2013 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 <stdlib.h>
#include <CUnit/CUnit.h>
#include "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test-cu.h"
static void
check_lun_is_wiped(uint64_t lba, unsigned char c)
{
unsigned char *rbuf = alloca(256 * block_size);
unsigned char *zbuf = alloca(256 * block_size);
READ16(sd, NULL, lba, 256 * block_size,
block_size, 0, 0, 0, 0, 0, rbuf,
EXPECT_STATUS_GOOD);
memset(zbuf, c, 256 * block_size);
if (memcmp(zbuf, rbuf, 256 * block_size)) {
logging(LOG_NORMAL, "[FAILED] Blocks did not read back as %#x",
c);
CU_FAIL("[FAILED] Blocks did not read back as expected");
} else {
logging(LOG_VERBOSE, "[SUCCESS] Blocks read back as %#x", c);
}
}
void
test_sanitize_overwrite(void)
{
int i;
struct iscsi_data data;
struct scsi_command_descriptor *cd;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test SANITIZE OVERWRITE");
CHECK_FOR_SANITIZE;
CHECK_FOR_DATALOSS;
logging(LOG_VERBOSE, "Check that SANITIZE OVERWRITE is supported "
"in REPORT_SUPPORTED_OPCODES");
cd = get_command_descriptor(SCSI_OPCODE_SANITIZE,
SCSI_SANITIZE_OVERWRITE);
if (cd == NULL) {
logging(LOG_NORMAL, "[SKIPPED] SANITIZE OVERWRITE is not "
"implemented according to REPORT_SUPPORTED_OPCODES.");
CU_PASS("SANITIZE is not implemented.");
return;
}
logging(LOG_VERBOSE, "Verify that we have BlockDeviceCharacteristics "
"VPD page.");
if (inq_bdc == NULL) {
logging(LOG_NORMAL, "[FAILED] SANITIZE OVERWRITE opcode is "
"supported but BlockDeviceCharacteristics VPD page is "
"missing");
CU_FAIL("[FAILED] BlockDeviceCharacteristics VPD "
"page is missing");
}
logging(LOG_VERBOSE, "Check MediumRotationRate whether this is a HDD "
"or a SSD device.");
if (inq_bdc && inq_bdc->medium_rotation_rate == 0) {
logging(LOG_NORMAL, "This is a HDD device");
} else {
logging(LOG_NORMAL, "This is a SSD device");
}
logging(LOG_VERBOSE, "Write 'a' to the first 256 LBAs");
memset(scratch, 'a', 256 * block_size);
WRITE16(sd, 0, 256 * block_size,
block_size, 0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Write 'a' to the last 256 LBAs");
WRITE16(sd, num_blocks - 256, 256 * block_size,
block_size, 0, 0, 0, 0, 0, scratch,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Test SANITIZE OVERWRITE with initialization pattern of one full block");
data.size = block_size + 4;
data.data = alloca(data.size);
memset(&data.data[4], 0xaa, block_size);
data.data[0] = 0x01;
data.data[1] = 0x00;
data.data[2] = block_size >> 8;
data.data[3] = block_size & 0xff;
SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Check that the first 256 LBAs are wiped.");
check_lun_is_wiped(0, 0xaa);
logging(LOG_VERBOSE, "Check that the last 256 LBAs are wiped.");
check_lun_is_wiped(num_blocks - 256, 0xaa);
logging(LOG_VERBOSE, "Test SANITIZE OVERWRITE with initialization pattern of one half block");
data.size = block_size / 2 + 4;
data.data[2] = (block_size / 2) >> 8;
data.data[3] = (block_size / 2 ) & 0xff;
SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Test SANITIZE OVERWRITE with initialization pattern of 4 bytes");
data.size = 4 + 4;
data.data[2] = 0;
data.data[3] = 4;
SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "OVERWRITE parameter list length must "
"be > 4 and < blocksize+5");
for (i = 0; i < 5; i++) {
logging(LOG_VERBOSE, "Test OVERWRITE with ParamLen:%d is an "
"error.", i);
SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, i, &data,
EXPECT_INVALID_FIELD_IN_CDB);
}
logging(LOG_VERBOSE, "Test OVERWRITE with ParamLen:%zd (blocksize+5) "
"is an error.", block_size + 5);
data.size = block_size + 8;
data.data = alloca(block_size + 8); /* so we can send IP > blocksize */
memset(data.data, 0, data.size);
SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, block_size + 5, &data,
EXPECT_INVALID_FIELD_IN_CDB);
logging(LOG_VERBOSE, "Test OVERWRITE COUNT == 0 is an error");
data.size = block_size + 4;
data.data[0] = 0x00;
data.data[1] = 0x00;
data.data[2] = block_size >> 8;
data.data[3] = block_size & 0xff;
SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data,
EXPECT_INVALID_FIELD_IN_CDB);
logging(LOG_VERBOSE, "Test INITIALIZATION PATTERN LENGTH == 0 is an "
"error");
data.size = block_size + 4;
data.data[0] = 0x00;
data.data[1] = 0x00;
data.data[2] = 0x00;
data.data[3] = 0x00;
SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data,
EXPECT_INVALID_FIELD_IN_CDB);
logging(LOG_VERBOSE, "Test INITIALIZATION PATTERN LENGTH == %zd > %zd "
"(blocksize) is an error", block_size + 4, block_size);
data.size = block_size + 4;
data.data[0] = 0x00;
data.data[1] = 0x00;
data.data[2] = (block_size + 4) >> 8;
data.data[3] = (block_size + 4) & 0xff;
SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data,
EXPECT_INVALID_FIELD_IN_CDB);
}
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