void test_iscsi_cmdsn_toolow(void)
{
int ret;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test sending invalid iSCSI CMDSN");
logging(LOG_VERBOSE, "CMDSN MUST be in the range EXPCMDSN and MAXCMDSN");
logging(LOG_VERBOSE, "RFC3720:3.2.2.1 CMDSN < EXPCMDSN must be silently ignored by the target");
logging(LOG_VERBOSE, "Send a TESTUNITREADY with CMDSN == EXPCMDSN-1. Should be ignored by the target.");
iscsic->use_immediate_data = ISCSI_IMMEDIATE_DATA_NO;
iscsic->target_max_recv_data_segment_length = block_size;
local_iscsi_queue_pdu = my_iscsi_queue_pdu;
change_cmdsn = 1;
/* we don't want autoreconnect since some targets will incorrectly
* drop the connection on this condition.
*/
iscsi_set_noautoreconnect(iscsic, 1);
iscsi_set_timeout(iscsic, 3);
ret = testunitready(iscsic, tgt_lun);
CU_ASSERT_EQUAL(ret, -1);
if (ret == -1) {
logging(LOG_VERBOSE, "[SUCCESS] We did not receive a reply");
} else {
logging(LOG_VERBOSE, "[FAILURE] We got a response from the target but SMDSN was outside of the window.");
}
iscsi_set_noautoreconnect(iscsic, 0);
logging(LOG_VERBOSE, "Send a TESTUNITREADY with CMDSN == EXPCMDSN. should work again");
ret = testunitready(iscsic, tgt_lun);
CU_ASSERT_EQUAL(ret, 0);
}
void
test_write16_residuals(void)
{
struct scsi_task *task_ret;
unsigned char buf[10000];
struct iscsi_data data;
int ok;
unsigned int i;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test WRITE16 commands with residuals");
logging(LOG_VERBOSE, "Block size is %zu", block_size);
CHECK_FOR_DATALOSS;
CHECK_FOR_SBC;
if (sd->iscsi_ctx == NULL) {
const char *err = "[SKIPPED] This WRITE16 test is only "
"supported for iSCSI backends";
logging(LOG_NORMAL, "%s", err);
CU_PASS(err);
return;
}
/* Try a write16 of 1 block but xferlength == 0 */
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL_FATAL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE16;
task->cdb[13] = 1;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = 0;
/*
* we don't want autoreconnect since some targets will drop the session
* on this condition.
*/
iscsi_set_noautoreconnect(sd->iscsi_ctx, 1);
logging(LOG_VERBOSE, "Try writing one block but with iSCSI expected transfer length==0");
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, NULL);
CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
CU_ASSERT_NOT_EQUAL(task->status, SCSI_STATUS_CANCELLED); /* XXX redundant? */
if (task->status == SCSI_STATUS_CHECK_CONDITION
&& task->sense.key == SCSI_SENSE_ILLEGAL_REQUEST
&& task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE) {
logging(LOG_NORMAL, "[SKIPPED] WRITE16 is not implemented.");
CU_PASS("WRITE16 is not implemented.");
return;
}
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got %zu bytes of residual overflow",
block_size);
if (task->residual != block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size);
scsi_free_scsi_task(task);
task = NULL;
/* in case the previous test failed the session */
iscsi_set_noautoreconnect(sd->iscsi_ctx, 0);
logging(LOG_VERBOSE, "Try writing one block but with iSCSI expected transfer length==10000");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL_FATAL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE16;
task->cdb[13] = 1;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = 10000;
memset(buf, 0xa6, sizeof(buf));
data.size = task->expxferlen;
data.data = &buf[0];
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify residual underflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_UNDERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"underflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_UNDERFLOW);
logging(LOG_VERBOSE, "Verify we got %zu bytes of residual underflow",
10000 - block_size);
if (task->residual != 10000 - block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
10000 - block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, 10000 - block_size);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Try writing one block but with iSCSI expected transfer length==200");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL_FATAL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE16;
task->cdb[13] = 1;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = 200;
data.size = task->expxferlen;
data.data = &buf[0];
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
ok = task->status == SCSI_STATUS_GOOD ||
(task->status == SCSI_STATUS_CHECK_CONDITION &&
task->sense.key == SCSI_SENSE_ILLEGAL_REQUEST &&
task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_FIELD_IN_INFORMATION_UNIT);
if (!ok) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT(ok);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got %zu bytes of residual overflow",
block_size - 200);
if (task->residual != block_size - 200) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size - 200, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size - 200);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Try writing two blocks but iSCSI expected "
"transfer length==%zu (==one block)", block_size);
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL_FATAL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE16;
task->cdb[13] = 2;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = block_size;
data.size = task->expxferlen;
data.data = &buf[0];
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got one block of residual overflow");
if (task->residual != block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Verify that if iSCSI EDTL > SCSI TL then we only write SCSI TL amount of data");
logging(LOG_VERBOSE, "Write two blocks of 'a'");
memset(buf, 'a', 10000);
WRITE16(sd, 0, 2 * block_size, block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Write one block of 'b' but set iSCSI EDTL to 2 blocks.");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL_FATAL(task);
memset(buf, 'b', 10000);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE16;
task->cdb[13] = 1;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = 2 * block_size;
data.size = task->expxferlen;
data.data = &buf[0];
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify residual underflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_UNDERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"underflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_UNDERFLOW);
logging(LOG_VERBOSE, "Verify we got one block of residual underflow");
if (task->residual != block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Read the two blocks");
READ16(sd, NULL, 0, 2* block_size, block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify that the first block was changed to 'b'");
for (i = 0; i < block_size; i++) {
if (buf[i] != 'b') {
logging(LOG_NORMAL, "First block did not contain expected 'b'");
CU_FAIL("Block was not written correctly");
break;
}
}
logging(LOG_VERBOSE, "Verify that the second block was NOT overwritten and still contains 'a'");
for (i = block_size; i < 2 * block_size; i++) {
if (buf[i] != 'a') {
logging(LOG_NORMAL, "Second block was overwritten and no longer contain 'a'");
CU_FAIL("Second block was incorrectly overwritten");
break;
}
}
logging(LOG_VERBOSE, "Verify that if iSCSI EDTL < SCSI TL then we only write iSCSI EDTL amount of data");
logging(LOG_VERBOSE, "Write two blocks of 'a'");
memset(buf, 'a', 10000);
WRITE16(sd, 0, 2 * block_size, block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Write two blocks of 'b' but set iSCSI EDTL to 1 blocks.");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL_FATAL(task);
memset(buf, 'b', 10000);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_WRITE16;
task->cdb[13] = 2;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = block_size;
data.size = task->expxferlen;
data.data = &buf[0];
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, &data);
CU_ASSERT_PTR_NOT_NULL_FATAL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got one block of residual overflow");
if (task->residual != block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Read the two blocks");
READ16(sd, NULL, 0, 2* block_size, block_size, 0, 0, 0, 0, 0, buf,
EXPECT_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify that the first block was changed to 'b'");
for (i = 0; i < block_size; i++) {
if (buf[i] != 'b') {
logging(LOG_NORMAL, "First block did not contain expected 'b'");
CU_FAIL("Block was not written correctly");
break;
}
}
logging(LOG_VERBOSE, "Verify that the second block was NOT overwritten and still contains 'a'");
for (i = block_size; i < 2 * block_size; i++) {
if (buf[i] != 'a') {
logging(LOG_NORMAL, "Second block was overwritten and no longer contain 'a'");
CU_FAIL("Second block was incorrectly overwritten");
break;
}
}
}
void
test_read10_invalid(void)
{
struct iscsi_data data;
char *buf = alloca(block_size);
struct scsi_task *task_ret;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test invalid READ10 commands");
logging(LOG_VERBOSE, "Block size is %zu", block_size);
/* Try a read10 of 1 block but xferlength == 0 */
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_READ10;
task->cdb[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = 0;
/*
* we don't want autoreconnect since some targets will drop the session
* on this condition.
*/
iscsi_set_noautoreconnect(iscsic, 1);
logging(LOG_VERBOSE, "Try reading one block but with iSCSI expected transfer length==0");
task_ret = iscsi_scsi_command_sync(iscsic, tgt_lun, task, NULL);
CU_ASSERT_PTR_NOT_NULL(task_ret);
CU_ASSERT_NOT_EQUAL(task->status, SCSI_STATUS_CANCELLED); /* XXX redundant? */
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(iscsic));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got %zu bytes of residual overflow",
block_size);
if (task->residual != block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size);
scsi_free_scsi_task(task);
task = NULL;
/* in case the previous test failed the session */
iscsi_set_noautoreconnect(iscsic, 0);
logging(LOG_VERBOSE, "Try reading one block but with iSCSI expected transfer length==10000");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_READ10;
task->cdb[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = 10000;
task_ret = iscsi_scsi_command_sync(iscsic, tgt_lun, task, NULL);
CU_ASSERT_PTR_NOT_NULL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(iscsic));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify we got a whole block back from the target");
CU_ASSERT_EQUAL(task->datain.size, (int)block_size);
logging(LOG_VERBOSE, "Verify residual underflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_UNDERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"underflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_UNDERFLOW);
logging(LOG_VERBOSE, "Verify we got %zu bytes of residual underflow",
10000 - block_size);
if (task->residual != 10000 - block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
10000 - block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, 10000 - block_size);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Try reading one block but with iSCSI expected transfer length==200");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_READ10;
task->cdb[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = 200;
task_ret = iscsi_scsi_command_sync(iscsic, tgt_lun, task, NULL);
CU_ASSERT_PTR_NOT_NULL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(iscsic));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify we got 200 bytes back from the target");
CU_ASSERT_EQUAL(task->datain.size, 200);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got %zu bytes of residual overflow",
block_size - 200);
if (task->residual != block_size - 200) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size - 200, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size - 200);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Try reading two blocks but iSCSI expected "
"transfer length==%zu (==one block)", block_size);
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_READ10;
task->cdb[8] = 2;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = block_size;
task_ret = iscsi_scsi_command_sync(iscsic, tgt_lun, task, NULL);
CU_ASSERT_PTR_NOT_NULL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(iscsic));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify we got one whole block back from the target");
CU_ASSERT_EQUAL(task->datain.size, (int)block_size);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got one block of residual overflow");
if (task->residual != block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Try READ10 for one block but flag it as a write on the iSCSI layer.");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_READ10;
task->cdb[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = block_size;
data.size = block_size;
data.data = (unsigned char *)buf;
iscsi_set_noautoreconnect(iscsic, 1);
iscsi_set_timeout(iscsic, 3);
task_ret = iscsi_scsi_command_sync(iscsic, tgt_lun, task, &data);
iscsi_set_noautoreconnect(iscsic, 0);
CU_ASSERT_PTR_NOT_NULL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(iscsic));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
scsi_free_scsi_task(task);
task = NULL;
}
void
test_read16_residuals(void)
{
struct scsi_task *task_ret;
logging(LOG_VERBOSE, LOG_BLANK_LINE);
logging(LOG_VERBOSE, "Test READ16 commands with residuals");
logging(LOG_VERBOSE, "Block size is %zu", block_size);
if (sd->iscsi_ctx == NULL) {
const char *err = "[SKIPPED] This READ16 test is only "
"supported for iSCSI backends";
logging(LOG_NORMAL, "%s", err);
CU_PASS(err);
return;
}
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_READ16;
task->cdb[13] = 1;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = 0;
/*
* we don't want autoreconnect since some targets will drop the session
* on this condition.
*/
iscsi_set_noautoreconnect(sd->iscsi_ctx, 1);
logging(LOG_VERBOSE, "Try reading one block but with iSCSI expected transfer length==0");
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, NULL);
CU_ASSERT_PTR_NOT_NULL(task_ret);
CU_ASSERT_NOT_EQUAL(task->status, SCSI_STATUS_CANCELLED); /* XXX redundant? */
if (task->status == SCSI_STATUS_CHECK_CONDITION
&& task->sense.key == SCSI_SENSE_ILLEGAL_REQUEST
&& task->sense.ascq == SCSI_SENSE_ASCQ_INVALID_OPERATION_CODE) {
logging(LOG_NORMAL, "[SKIPPED] READ16 is not implemented on this target and it does not claim SBC-3 support.");
CU_PASS("READ16 is not implemented and no SBC-3 support claimed.");
return;
}
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got %zu bytes of residual overflow",
block_size);
if (task->residual != block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size);
scsi_free_scsi_task(task);
task = NULL;
/* in case the previous test failed the session */
iscsi_set_noautoreconnect(sd->iscsi_ctx, 0);
logging(LOG_VERBOSE, "Try reading one block but with iSCSI expected transfer length==10000");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_READ16;
task->cdb[13] = 1;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = 10000;
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, NULL);
CU_ASSERT_PTR_NOT_NULL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify we got one whole block back from the target");
if (task->datain.size != (int)block_size) {
logging(LOG_VERBOSE, "[FAILED] Target returned %u bytes "
"of data but should have returned %zu bytes.",
task->datain.size,block_size);
}
CU_ASSERT_EQUAL(task->datain.size, (int)block_size);
logging(LOG_VERBOSE, "Verify residual underflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_UNDERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"underflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_UNDERFLOW);
logging(LOG_VERBOSE, "Verify we got %zu bytes of residual underflow",
10000 - block_size);
if (task->residual != 10000 - block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
10000 - block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, 10000 - block_size);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Try reading one block but with iSCSI expected transfer length==200");
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_READ16;
task->cdb[13] = 1;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = 200;
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, NULL);
CU_ASSERT_PTR_NOT_NULL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify we got 200 bytes back from the target");
CU_ASSERT_EQUAL(task->datain.size, 200);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got %zu bytes of residual overflow",
block_size - 200);
if (task->residual != block_size - 200) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size - 200, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size - 200);
scsi_free_scsi_task(task);
task = NULL;
logging(LOG_VERBOSE, "Try reading two blocks but iSCSI expected "
"transfer length==%zu (==one block)", block_size);
task = malloc(sizeof(struct scsi_task));
CU_ASSERT_PTR_NOT_NULL(task);
memset(task, 0, sizeof(struct scsi_task));
task->cdb[0] = SCSI_OPCODE_READ16;
task->cdb[13] = 2;
task->cdb_size = 16;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = block_size;
task_ret = iscsi_scsi_command_sync(sd->iscsi_ctx, sd->iscsi_lun, task, NULL);
CU_ASSERT_PTR_NOT_NULL(task_ret);
logging(LOG_VERBOSE, "Verify that the target returned SUCCESS");
if (task->status != SCSI_STATUS_GOOD) {
logging(LOG_VERBOSE, "[FAILED] Target returned error %s",
iscsi_get_error(sd->iscsi_ctx));
}
CU_ASSERT_EQUAL(task->status, SCSI_STATUS_GOOD);
logging(LOG_VERBOSE, "Verify we got one whole block back from the target");
CU_ASSERT_EQUAL(task->datain.size, (int)block_size);
logging(LOG_VERBOSE, "Verify residual overflow flag is set");
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW) {
logging(LOG_VERBOSE, "[FAILED] Target did not set residual "
"overflow flag");
}
CU_ASSERT_EQUAL(task->residual_status, SCSI_RESIDUAL_OVERFLOW);
logging(LOG_VERBOSE, "Verify we got one block of residual overflow");
if (task->residual != block_size) {
logging(LOG_VERBOSE, "[FAILED] Target did not set correct "
"amount of residual. Expected %zu but got %zu.",
block_size, task->residual);
}
CU_ASSERT_EQUAL(task->residual, block_size);
scsi_free_scsi_task(task);
task = NULL;
}
int T0105_read10_invalid(const char *initiator, const char *url)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
struct iscsi_data data;
char buf[4096];
int ret, lun;
printf("0105_read10_invalid:\n");
printf("=======================\n");
if (show_info) {
printf("Test various protocol violations.\n");
printf("1, Read 1 block but set xferlength to 0. Should result in residual overflow of 'block_size' bytes.\n");
printf("2, Read 1 block but set xferlength to 2*'block_size'. Should result in residual underflow of 'block_size' bytes.\n");
printf("3, Read 1 block but set xferlength to 200. Should result in residual overflow of 'block_size'-200 bytes.\n");
printf("4, Read 2 blocks but set xferlength to 'block_size'. Should result in residual overflow of 'block_size' bytes.\n");
printf("5, Read 1 block but send one block as data-out write on the iSCSI level. Should result in both residual overflow and underflow of 'block_size' bytes.\n");
printf("\n");
return 0;
}
iscsi = iscsi_context_login(initiator, url, &lun);
if (iscsi == NULL) {
printf("Failed to login to target\n");
return -1;
}
ret = 0;
/* Try a read of 1 block but xferlength == 0 */
printf("Read10 1 block but with iscsi ExpectedDataTransferLength==0 ... ");
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[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = 0;
/* we don't want autoreconnect since some targets will drop the session
* on this condition.
*/
iscsi_set_noautoreconnect(iscsi, 1);
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;
goto finished;
}
if (task->status == SCSI_STATUS_CANCELLED) {
scsi_free_scsi_task(task);
printf("Target dropped the session [OK]\n");
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 1 block with iscsi ExpectedDataTransferLength==0 should not fail.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW ||
task->residual != block_size) {
printf("[FAILED]\n");
printf("Read10 returned incorrect residual overflow.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* in case the previous test failed the session */
iscsi_set_noautoreconnect(iscsi, 0);
/* Try a read of 1 block but xferlength == 1024 */
printf("Read10 1 block but with iscsi ExpectedDataTransferLength==1024 ... ");
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[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = 1024;
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;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 1 block with iscsi ExpectedDataTransferLength==1024 should not fail.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->residual_status != SCSI_RESIDUAL_UNDERFLOW ||
task->residual != block_size) {
printf("[FAILED]\n");
printf("Read10 returned incorrect residual underflow.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* Try a read of 1 block but xferlength == 200 */
printf("Read10 1 block but with iscsi ExpectedDataTransferLength==200 ... ");
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[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_READ;
task->expxferlen = 200;
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;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 1 block with iscsi ExpectedDataTransferLength==200 should not fail.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW ||
task->residual != block_size - 200) {
printf("[FAILED]\n");
printf("Read10 returned incorrect residual overflow.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* Try a read of 2 blocks but xferlength == 'block_size' */
printf("Read10 2 blocks but with iscsi ExpectedDataTransferLength==%zu ... ", block_size);
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[8] = 2;
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;
goto finished;
}
if (task->status != SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 2 blocks with iscsi ExpectedDataTransferLength==%zu should succeed.\n", block_size);
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (task->residual_status != SCSI_RESIDUAL_OVERFLOW ||
task->residual != block_size) {
printf("[FAILED]\n");
printf("Read10 returned incorrect residual overflow.\n");
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
scsi_free_scsi_task(task);
printf("[OK]\n");
/* Try a read of 1 block but make it a data-out write on the iscsi layer */
printf("Read10 of 1 block but sent as data-out write in iscsi layer ... ");
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[8] = 1;
task->cdb_size = 10;
task->xfer_dir = SCSI_XFER_WRITE;
task->expxferlen = sizeof(buf);
data.size = sizeof(buf);
data.data = (unsigned char *)&buf[0];
if (iscsi_scsi_command_sync(iscsi, lun, task, &data) == NULL) {
printf("[FAILED]\n");
printf("Failed to send read10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
goto finished;
}
if (task->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Read10 of 1 block but iscsi data-out write should fail.\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;
}