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Add a test to check that if we deliberately send wrong data to the target it will reposnd with sense MISMATCH

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Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
This commit is contained in:
Ronnie Sahlberg
2012-01-26 16:18:05 +11:00
parent cff996a96d
commit 62684d641a
4 changed files with 135 additions and 1 deletions
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2
Makefile.am
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@@ -59,7 +59,7 @@ bin_iscsi_test_SOURCES = test-tool/iscsi-test.c \
test-tool/0110_readcapacity10_simple.c \
test-tool/0111_readcapacity10_pmi.c test-tool/0120_read6_simple.c \
test-tool/0121_read6_beyond_eol.c test-tool/0122_read6_invalid.c \
test-tool/0130_verify10_simple.c
test-tool/0130_verify10_simple.c test-tool/0131_verify10_mismatch.c
endif
# LD_PRELOAD library.

132
test-tool/0131_verify10_mismatch.c Normal file
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@@ -0,0 +1,132 @@
/*
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 "iscsi.h"
#include "scsi-lowlevel.h"
#include "iscsi-test.h"
int T0131_verify10_mismatch(const char *initiator, const char *url)
{
struct iscsi_context *iscsi;
struct scsi_task *task;
struct scsi_task *vtask;
struct scsi_readcapacity10 *rc10;
int ret, i, lun;
uint32_t block_size, num_blocks;
iscsi = iscsi_context_login(initiator, url, &lun);
if (iscsi == NULL) {
printf("Failed to login to target\n");
return -1;
}
/* 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;
num_blocks = rc10->lba;
scsi_free_scsi_task(task);
ret = 0;
/* read and verify the first 1 - 256 blocks at the start of the LUN */
printf("Read+verify first 1-256 blocks ... ");
for (i = 1; i <= 256; i++) {
char *buf;
task = iscsi_read10_sync(iscsi, lun, 0, i * block_size, block_size);
if (task == 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 command: failed with sense. %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
buf = task->datain.data;
if (buf == NULL) {
printf("[FAILED]\n");
printf("Failed to access DATA-IN buffer %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
/* flip a random byte in the data */
buf[random() % task->datain.size] ^= 'X';
vtask = iscsi_verify10_sync(iscsi, lun, buf, i * block_size, 0, 0, 1, 1, block_size);
if (vtask == NULL) {
printf("[FAILED]\n");
printf("Failed to send verify10 command: %s\n", iscsi_get_error(iscsi));
ret = -1;
scsi_free_scsi_task(task);
goto finished;
}
if (vtask->status == SCSI_STATUS_GOOD) {
printf("[FAILED]\n");
printf("Verify10 command returned sense ok but the data is not matching.\n");
ret = -1;
scsi_free_scsi_task(task);
scsi_free_scsi_task(vtask);
goto finished;
}
if (vtask->sense.key != SCSI_SENSE_MISCOMPARE) {
printf("[FAILED]\n");
printf("Verify10 command returned wrong sense key. MISCOMPARE 0x%x expected but got key 0x%x\n", SCSI_SENSE_MISCOMPARE, vtask->sense.key);
ret = -1;
scsi_free_scsi_task(task);
scsi_free_scsi_task(vtask);
goto finished;
}
scsi_free_scsi_task(task);
scsi_free_scsi_task(vtask);
}
printf("[OK]\n");
finished:
iscsi_logout_sync(iscsi);
iscsi_destroy_context(iscsi);
return ret;
}

1
test-tool/iscsi-test.c
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@@ -55,6 +55,7 @@ struct scsi_test tests[] = {
/* verify10*/
{ "T0130_verify10_simple", T0130_verify10_simple },
{ "T0131_verify10_mismatch", T0131_verify10_mismatch },
{ NULL, NULL }
};

1
test-tool/iscsi-test.h
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@@ -35,3 +35,4 @@ int T0121_read6_beyond_eol(const char *initiator, const char *url);
int T0122_read6_invalid(const char *initiator, const char *url);
int T0130_verify10_simple(const char *initiator, const char *url);
int T0131_verify10_mismatch(const char *initiator, const char *url);