102 lines
3.5 KiB
C
102 lines
3.5 KiB
C
/*
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Copyright (C) 2015 by 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 <CUnit/CUnit.h>
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#include "iscsi.h"
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#include "scsi-lowlevel.h"
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#include "iscsi-support.h"
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#include "iscsi-test-cu.h"
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void
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test_modesense6_control_swp(void)
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{
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struct scsi_task *ms_task = NULL;
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struct scsi_mode_sense *ms;
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struct scsi_mode_page *page;
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int ret;
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CHECK_FOR_DATALOSS;
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CHECK_FOR_SBC;
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE, "Test of MODESENSE6 CONTROL SWP flag");
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logging(LOG_VERBOSE, "Set SWP to enable write protect");
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ret = set_swp(sd);
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if (ret == -2) {
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CU_PASS("[SKIPPED] Target does not support changing SWP");
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return;
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}
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CU_ASSERT_EQUAL(ret, 0);
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if (ret) {
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goto finished;
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}
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logging(LOG_VERBOSE, "Read the CONTROL page back from the device");
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MODESENSE6(sd, &ms_task, 0, SCSI_MODESENSE_PC_CURRENT,
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SCSI_MODEPAGE_CONTROL, 0, 255,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "[SUCCESS] CONTROL page fetched.");
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logging(LOG_VERBOSE, "Try to unmarshall the DATA-IN buffer.");
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ms = scsi_datain_unmarshall(ms_task);
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if (ms == NULL) {
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logging(LOG_NORMAL, "[FAILED] failed to unmarshall mode sense "
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"datain buffer");
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CU_FAIL("[FAILED] Failed to unmarshall the data-in buffer.");
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goto finished;
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}
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logging(LOG_VERBOSE, "[SUCCESS] Unmarshalling successful.");
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for (page = ms->pages; page; page = page->next) {
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if (page->page_code == SCSI_MODEPAGE_CONTROL) {
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break;
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}
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}
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if(page == NULL) {
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logging(LOG_NORMAL, "[WARNING] CONTROL page was not returned."
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"All devices SHOULD implement this page.");
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}
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logging(LOG_VERBOSE, "Verify that the SWP bit is set");
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if (page->control.swp == 0) {
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logging(LOG_NORMAL, "[FAILED] SWP bit is not set");
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CU_FAIL("[FAILED] SWP is not set");
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goto finished;
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}
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logging(LOG_VERBOSE, "[SUCCESS] SWP was set successfully");
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logging(LOG_VERBOSE, "Read a block from the now Read-Only device");
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READ10(sd, NULL, 0, block_size, block_size, 0, 0, 0, 0, 0, scratch,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "Try to write a block to the Read-Only device");
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WRITE10(sd, 0, block_size, block_size, 0, 0, 0, 0, 0, scratch,
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EXPECT_WRITE_PROTECTED);
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finished:
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if (ms_task != NULL) {
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scsi_free_scsi_task(ms_task);
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}
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logging(LOG_VERBOSE, "Clear SWP to disable write protect");
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clear_swp(sd);
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}
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