191 lines
6.8 KiB
C
191 lines
6.8 KiB
C
/*
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Copyright (C) 2013 Ronnie Sahlberg <ronniesahlberg@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdlib.h>
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#include <CUnit/CUnit.h>
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#include "iscsi.h"
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#include "scsi-lowlevel.h"
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#include "iscsi-test-cu.h"
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static void
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check_lun_is_wiped(uint64_t lba, unsigned char c)
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{
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unsigned char *rbuf = alloca(256 * block_size);
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unsigned char *zbuf = alloca(256 * block_size);
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READ16(sd, NULL, lba, 256 * block_size,
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block_size, 0, 0, 0, 0, 0, rbuf,
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EXPECT_STATUS_GOOD);
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memset(zbuf, c, 256 * block_size);
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if (memcmp(zbuf, rbuf, 256 * block_size)) {
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logging(LOG_NORMAL, "[FAILED] Blocks did not read back as %#x",
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c);
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CU_FAIL("[FAILED] Blocks did not read back as expected");
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} else {
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logging(LOG_VERBOSE, "[SUCCESS] Blocks read back as %#x", c);
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}
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}
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void
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test_sanitize_overwrite(void)
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{
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int i;
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struct iscsi_data data;
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struct scsi_command_descriptor *cd;
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE, "Test SANITIZE OVERWRITE");
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CHECK_FOR_SANITIZE;
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CHECK_FOR_DATALOSS;
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logging(LOG_VERBOSE, "Check that SANITIZE OVERWRITE is supported "
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"in REPORT_SUPPORTED_OPCODES");
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cd = get_command_descriptor(SCSI_OPCODE_SANITIZE,
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SCSI_SANITIZE_OVERWRITE);
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if (cd == NULL) {
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logging(LOG_NORMAL, "[SKIPPED] SANITIZE OVERWRITE is not "
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"implemented according to REPORT_SUPPORTED_OPCODES.");
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CU_PASS("SANITIZE is not implemented.");
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return;
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}
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logging(LOG_VERBOSE, "Verify that we have BlockDeviceCharacteristics "
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"VPD page.");
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if (inq_bdc == NULL) {
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logging(LOG_NORMAL, "[FAILED] SANITIZE OVERWRITE opcode is "
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"supported but BlockDeviceCharacteristics VPD page is "
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"missing");
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CU_FAIL("[FAILED] BlockDeviceCharacteristics VPD "
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"page is missing");
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}
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logging(LOG_VERBOSE, "Check MediumRotationRate whether this is a HDD "
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"or a SSD device.");
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if (inq_bdc && inq_bdc->medium_rotation_rate == 0) {
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logging(LOG_NORMAL, "This is a HDD device");
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} else {
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logging(LOG_NORMAL, "This is a SSD device");
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}
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logging(LOG_VERBOSE, "Write 'a' to the first 256 LBAs");
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memset(scratch, 'a', 256 * block_size);
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WRITE16(sd, 0, 256 * block_size,
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block_size, 0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "Write 'a' to the last 256 LBAs");
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WRITE16(sd, num_blocks - 256, 256 * block_size,
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block_size, 0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "Test SANITIZE OVERWRITE with initialization pattern of one full block");
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data.size = block_size + 4;
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data.data = alloca(data.size);
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memset(&data.data[4], 0xaa, block_size);
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data.data[0] = 0x01;
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data.data[1] = 0x00;
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data.data[2] = block_size >> 8;
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data.data[3] = block_size & 0xff;
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SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "Check that the first 256 LBAs are wiped.");
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check_lun_is_wiped(0, 0xaa);
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logging(LOG_VERBOSE, "Check that the last 256 LBAs are wiped.");
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check_lun_is_wiped(num_blocks - 256, 0xaa);
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logging(LOG_VERBOSE, "Test SANITIZE OVERWRITE with initialization pattern of one half block");
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data.size = block_size / 2 + 4;
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data.data[2] = (block_size / 2) >> 8;
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data.data[3] = (block_size / 2 ) & 0xff;
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SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "Test SANITIZE OVERWRITE with initialization pattern of 4 bytes");
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data.size = 4 + 4;
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data.data[2] = 0;
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data.data[3] = 4;
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SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "OVERWRITE parameter list length must "
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"be > 4 and < blocksize+5");
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for (i = 0; i < 5; i++) {
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logging(LOG_VERBOSE, "Test OVERWRITE with ParamLen:%d is an "
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"error.", i);
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SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, i, &data,
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EXPECT_INVALID_FIELD_IN_CDB);
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}
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logging(LOG_VERBOSE, "Test OVERWRITE with ParamLen:%zd (blocksize+5) "
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"is an error.", block_size + 5);
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data.size = block_size + 8;
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data.data = alloca(block_size + 8); /* so we can send IP > blocksize */
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memset(data.data, 0, data.size);
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SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, block_size + 5, &data,
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EXPECT_INVALID_FIELD_IN_CDB);
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logging(LOG_VERBOSE, "Test OVERWRITE COUNT == 0 is an error");
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data.size = block_size + 4;
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data.data[0] = 0x00;
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data.data[1] = 0x00;
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data.data[2] = block_size >> 8;
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data.data[3] = block_size & 0xff;
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SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data,
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EXPECT_INVALID_FIELD_IN_CDB);
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logging(LOG_VERBOSE, "Test INITIALIZATION PATTERN LENGTH == 0 is an "
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"error");
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data.size = block_size + 4;
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data.data[0] = 0x00;
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data.data[1] = 0x00;
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data.data[2] = 0x00;
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data.data[3] = 0x00;
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SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data,
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EXPECT_INVALID_FIELD_IN_CDB);
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logging(LOG_VERBOSE, "Test INITIALIZATION PATTERN LENGTH == %zd > %zd "
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"(blocksize) is an error", block_size + 4, block_size);
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data.size = block_size + 4;
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data.data[0] = 0x00;
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data.data[1] = 0x00;
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data.data[2] = (block_size + 4) >> 8;
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data.data[3] = (block_size + 4) & 0xff;
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SANITIZE(sd, 0, 0, SCSI_SANITIZE_OVERWRITE, data.size, &data,
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EXPECT_INVALID_FIELD_IN_CDB);
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}
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