149 lines
3.9 KiB
C
149 lines
3.9 KiB
C
/*
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Copyright (C) 2012 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 <arpa/inet.h>
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#include "iscsi.h"
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#include "iscsi-private.h"
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#include "scsi-lowlevel.h"
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#include "iscsi-test.h"
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uint32_t block_size;
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static void test_cb(struct iscsi_context *iscsi _U_, int status,
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void *command_data _U_, void *private_data)
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{
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struct scsi_task *task = command_data;
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struct iscsi_async_state *state = private_data;
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state->finished = 1;
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state->status = status;
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if (status) {
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task->status = status;
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}
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}
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int T1030_unsolicited_data_overflow(const char *initiator, const char *url, int data_loss, int show_info)
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{
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struct iscsi_context *iscsi = NULL;
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struct iscsi_context *iscsi2 = NULL;
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struct scsi_task *task;
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struct scsi_readcapacity16 *rc16;
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int ret, lun;
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unsigned char *buf = NULL;
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struct iscsi_async_state test_state;
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printf("1030_unsolicited_data_overflow:\n");
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printf("===============================\n");
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if (show_info) {
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printf("Test sending command with way more unsolicited data than the target supports\n");
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printf("1, Send HUGE unsolicited data to the target.\n");
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printf("2, Verify the target is still alive\n");
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printf("\n");
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return 0;
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}
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iscsi = iscsi_context_login(initiator, url, &lun);
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if (iscsi == NULL) {
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printf("Failed to login to target\n");
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return -1;
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}
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/* find the size of the LUN */
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task = iscsi_readcapacity16_sync(iscsi, lun);
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if (task == NULL) {
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printf("Failed to send READCAPACITY16 command: %s\n", iscsi_get_error(iscsi));
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ret = -1;
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goto finished;
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}
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if (task->status != SCSI_STATUS_GOOD) {
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printf("READCAPACITY16 command: failed with sense. %s\n", iscsi_get_error(iscsi));
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ret = -1;
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scsi_free_scsi_task(task);
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goto finished;
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}
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rc16 = scsi_datain_unmarshall(task);
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if (rc16 == NULL) {
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printf("failed to unmarshall READCAPACITY16 data. %s\n", iscsi_get_error(iscsi));
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ret = -1;
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scsi_free_scsi_task(task);
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goto finished;
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}
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block_size = rc16->block_length;
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scsi_free_scsi_task(task);
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if (!data_loss) {
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printf("--dataloss flag is not set. Skipping test\n");
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ret = -2;
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goto finished;
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}
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ret = 0;
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iscsi->use_immediate_data = ISCSI_IMMEDIATE_DATA_YES;
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/* make first burst REAL big */
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iscsi->first_burst_length *= 16;
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buf = malloc(iscsi->first_burst_length);
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printf("Write too much unsolicited data ... ");
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/* we dont want autoreconnect since some targets will drop the session
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* on this condition.
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*/
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iscsi_set_noautoreconnect(iscsi, 1);
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// 102400 -- 1024000
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task = iscsi_write16_task(iscsi, lun, 0, buf,
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iscsi->first_burst_length, block_size,
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0, 0, 0, 0, 0,
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test_cb, &test_state);
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if (task == NULL) {
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printf("[FAILED]\n");
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printf("Failed to send WRITE16 command: %s\n", iscsi_get_error(iscsi));
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ret++;
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goto test2;
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}
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test_state.task = task;
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test_state.finished = 0;
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test_state.status = 0;
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wait_until_test_finished(iscsi, &test_state);
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printf("[OK]\n");
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test2:
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printf("Verify the target is still alive ... ");
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iscsi2 = iscsi_context_login(initiator, url, &lun);
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if (iscsi2 == NULL) {
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printf("[FAILED]\n");
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printf("Target is dead?\n");
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ret = -1;
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goto finished;
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}
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printf("[OK]\n");
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finished:
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free(buf);
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iscsi_destroy_context(iscsi);
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iscsi_destroy_context(iscsi2);
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return ret;
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}
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