1*da6c28aaSamw /* 2*da6c28aaSamw * CDDL HEADER START 3*da6c28aaSamw * 4*da6c28aaSamw * The contents of this file are subject to the terms of the 5*da6c28aaSamw * Common Development and Distribution License (the "License"). 6*da6c28aaSamw * You may not use this file except in compliance with the License. 7*da6c28aaSamw * 8*da6c28aaSamw * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*da6c28aaSamw * or http://www.opensolaris.org/os/licensing. 10*da6c28aaSamw * See the License for the specific language governing permissions 11*da6c28aaSamw * and limitations under the License. 12*da6c28aaSamw * 13*da6c28aaSamw * When distributing Covered Code, include this CDDL HEADER in each 14*da6c28aaSamw * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*da6c28aaSamw * If applicable, add the following below this CDDL HEADER, with the 16*da6c28aaSamw * fields enclosed by brackets "[]" replaced with your own identifying 17*da6c28aaSamw * information: Portions Copyright [yyyy] [name of copyright owner] 18*da6c28aaSamw * 19*da6c28aaSamw * CDDL HEADER END 20*da6c28aaSamw */ 21*da6c28aaSamw /* 22*da6c28aaSamw * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23*da6c28aaSamw * Use is subject to license terms. 24*da6c28aaSamw */ 25*da6c28aaSamw 26*da6c28aaSamw #pragma ident "%Z%%M% %I% %E% SMI" 27*da6c28aaSamw 28*da6c28aaSamw #include <smbsrv/smb_incl.h> 29*da6c28aaSamw 30*da6c28aaSamw /* 31*da6c28aaSamw * The echo request is used to test the connection to the server, 32*da6c28aaSamw * and to see if the server is still responding. The tid is ignored, 33*da6c28aaSamw * so this request may be sent to the server even if there are no 34*da6c28aaSamw * tree connections to the server. 35*da6c28aaSamw * 36*da6c28aaSamw * Each response echoes the data sent, though ByteCount may indicate 37*da6c28aaSamw * no data. If echo-count is zero, no response is sent. 38*da6c28aaSamw */ 39*da6c28aaSamw int 40*da6c28aaSamw smb_com_echo(struct smb_request *sr) 41*da6c28aaSamw { 42*da6c28aaSamw unsigned short necho; 43*da6c28aaSamw unsigned short nbytes; 44*da6c28aaSamw unsigned short i; 45*da6c28aaSamw struct mbuf_chain reply; 46*da6c28aaSamw char *data; 47*da6c28aaSamw 48*da6c28aaSamw if (smbsr_decode_vwv(sr, "w", &necho) != 0) { 49*da6c28aaSamw smbsr_decode_error(sr); 50*da6c28aaSamw /* NOTREACHED */ 51*da6c28aaSamw } 52*da6c28aaSamw 53*da6c28aaSamw nbytes = sr->smb_bcc; 54*da6c28aaSamw 55*da6c28aaSamw data = smbsr_malloc(&sr->request_storage, nbytes); 56*da6c28aaSamw 57*da6c28aaSamw (void) smb_decode_mbc(&sr->smb_data, "#c", nbytes, data); 58*da6c28aaSamw 59*da6c28aaSamw for (i = 1; i <= necho; ++i) { 60*da6c28aaSamw 61*da6c28aaSamw MBC_INIT(&reply, SMB_HEADER_ED_LEN + 10 + nbytes); 62*da6c28aaSamw 63*da6c28aaSamw (void) smb_encode_mbc(&reply, SMB_HEADER_ED_FMT, 64*da6c28aaSamw sr->first_smb_com, 65*da6c28aaSamw sr->smb_rcls, 66*da6c28aaSamw sr->smb_reh, 67*da6c28aaSamw sr->smb_err, 68*da6c28aaSamw sr->smb_flg | SMB_FLAGS_REPLY, 69*da6c28aaSamw sr->smb_flg2, 70*da6c28aaSamw sr->smb_pid_high, 71*da6c28aaSamw sr->smb_sig, 72*da6c28aaSamw sr->smb_tid, 73*da6c28aaSamw sr->smb_pid, 74*da6c28aaSamw sr->smb_uid, 75*da6c28aaSamw sr->smb_mid); 76*da6c28aaSamw 77*da6c28aaSamw (void) smb_encode_mbc(&reply, "bww#c", 1, i, 78*da6c28aaSamw nbytes, nbytes, data); 79*da6c28aaSamw 80*da6c28aaSamw if (sr->session->signing.flags & SMB_SIGNING_ENABLED) 81*da6c28aaSamw smb_sign_reply(sr, &reply); 82*da6c28aaSamw 83*da6c28aaSamw (void) smb_session_send(sr->session, 0, &reply); 84*da6c28aaSamw } 85*da6c28aaSamw 86*da6c28aaSamw return (SDRC_NO_REPLY); 87*da6c28aaSamw } 88*da6c28aaSamw 89*da6c28aaSamw /* 90*da6c28aaSamw * Broadcast messages are not supported. 91*da6c28aaSamw */ 92*da6c28aaSamw int /*ARGSUSED*/ 93*da6c28aaSamw smb_com_send_broadcast_message(struct smb_request *sr) 94*da6c28aaSamw { 95*da6c28aaSamw return (SDRC_UNIMPLEMENTED); 96*da6c28aaSamw } 97*da6c28aaSamw 98*da6c28aaSamw /* 99*da6c28aaSamw * Multi-block messages are not supported. 100*da6c28aaSamw */ 101*da6c28aaSamw int /*ARGSUSED*/ 102*da6c28aaSamw smb_com_send_end_mb_message(struct smb_request *sr) 103*da6c28aaSamw { 104*da6c28aaSamw return (SDRC_UNIMPLEMENTED); 105*da6c28aaSamw } 106*da6c28aaSamw 107*da6c28aaSamw /* 108*da6c28aaSamw * Single-block messages are not supported. 109*da6c28aaSamw */ 110*da6c28aaSamw int /*ARGSUSED*/ 111*da6c28aaSamw smb_com_send_single_message(struct smb_request *sr) 112*da6c28aaSamw { 113*da6c28aaSamw return (SDRC_UNIMPLEMENTED); 114*da6c28aaSamw } 115*da6c28aaSamw 116*da6c28aaSamw /* 117*da6c28aaSamw * Multi-block messages are not supported. 118*da6c28aaSamw */ 119*da6c28aaSamw int /*ARGSUSED*/ 120*da6c28aaSamw smb_com_send_start_mb_message(struct smb_request *sr) 121*da6c28aaSamw { 122*da6c28aaSamw return (SDRC_UNIMPLEMENTED); 123*da6c28aaSamw } 124*da6c28aaSamw 125*da6c28aaSamw /* 126*da6c28aaSamw * Multi-block messages are not supported. 127*da6c28aaSamw */ 128*da6c28aaSamw int /*ARGSUSED*/ 129*da6c28aaSamw smb_com_send_text_mb_message(struct smb_request *sr) 130*da6c28aaSamw { 131*da6c28aaSamw return (SDRC_UNIMPLEMENTED); 132*da6c28aaSamw } 133