/* Copyright (C) 2013 Ronnie Sahlberg 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 . */ #include #include #include #include #include #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); }