diff options
Diffstat (limited to 'src/server/iscsi.c')
| -rw-r--r-- | src/server/iscsi.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/src/server/iscsi.c b/src/server/iscsi.c index b0b171e..892172e 100644 --- a/src/server/iscsi.c +++ b/src/server/iscsi.c @@ -109,6 +109,8 @@ static iscsi_bhs_packet *iscsi_connection_pdu_resize(iscsi_pdu *pdu, const uint static bool iscsi_connection_pdu_write(iscsi_connection *conn, iscsi_pdu *pdu); +static int iscsi_connection_handle_reject(iscsi_connection *conn, iscsi_pdu *pdu, int reason_code); + /** * @brief Copies a string with additional padding character to fill in a specified size. @@ -3067,6 +3069,38 @@ static int iscsi_connection_handle_logout_req(iscsi_connection *conn, iscsi_pdu } /** + * @brief Handles an iSCSI task management function request and generates an appropriate response. + * + * This function processes an incoming iSCSI task management function request PDU, + * constructs a corresponding response PDU, and sends it back to the initiator. + * + * @param[in] conn Pointer to the iSCSI connection structure. Must not be NULL. + * This represents the connection for which the request is being handled. + * @param[in] request_pdu Pointer to the incoming iSCSI task management function + * request PDU. Must not be NULL. + * + * @return 0 on successful PDU write, or -1 on failure. + */ +static int iscsi_connection_handle_task_func_req(iscsi_connection *conn, iscsi_pdu *request_pdu) +{ + iscsi_pdu CLEANUP_PDU response_pdu; + if ( !iscsi_connection_pdu_init( &response_pdu, 0, false ) ) + return ISCSI_CONNECT_PDU_READ_ERR_FATAL; + iscsi_task_mgmt_func_response_packet *mgmt_resp = (iscsi_task_mgmt_func_response_packet *) response_pdu.bhs_pkt; + iscsi_task_mgmt_func_req_packet *mgmt_req = (iscsi_task_mgmt_func_req_packet *) request_pdu->bhs_pkt; + + mgmt_resp->opcode = ISCSI_OPCODE_SERVER_TASK_FUNC_RES; + mgmt_resp->response = ISCSI_TASK_MGMT_FUNC_RESPONSE_FUNC_COMPLETE; + mgmt_resp->flags = 0x80; + mgmt_resp->init_task_tag = mgmt_req->init_task_tag; // Copying over doesn't change endianess. + iscsi_put_be32( (uint8_t *) &mgmt_resp->stat_sn, conn->stat_sn++ ); + iscsi_put_be32( (uint8_t *) &mgmt_resp->exp_cmd_sn, conn->session->exp_cmd_sn ); + iscsi_put_be32( (uint8_t *) &mgmt_resp->max_cmd_sn, conn->session->max_cmd_sn ); + + return iscsi_connection_pdu_write( conn, &response_pdu ) ? 0 : -1; +} + +/** * @brief Handles an incoming iSCSI payload data NOP-Out request PDU. * * This function handles NOP-Out request payload @@ -3624,7 +3658,8 @@ static int iscsi_connection_pdu_handle(iscsi_connection *conn, iscsi_pdu *reques break; } case ISCSI_OPCODE_CLIENT_TASK_FUNC_REQ : { - // TODO: Send OK if a task is requested to be cancelled + rc = iscsi_connection_handle_task_func_req( conn, request_pdu ); + break; } default : { |