1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #include <smbsrv/smb_incl.h> 29 30 /* 31 * The echo request is used to test the connection to the server, 32 * and to see if the server is still responding. The tid is ignored, 33 * so this request may be sent to the server even if there are no 34 * tree connections to the server. 35 * 36 * Each response echoes the data sent, though ByteCount may indicate 37 * no data. If echo-count is zero, no response is sent. 38 */ 39 smb_sdrc_t 40 smb_com_echo(struct smb_request *sr) 41 { 42 unsigned short necho; 43 unsigned short nbytes; 44 unsigned short i; 45 struct mbuf_chain reply; 46 char *data; 47 48 if (smbsr_decode_vwv(sr, "w", &necho) != 0) 49 return (SDRC_ERROR_REPLY); 50 51 nbytes = sr->smb_bcc; 52 data = smbsr_malloc(&sr->request_storage, nbytes); 53 54 if (smb_decode_mbc(&sr->smb_data, "#c", nbytes, data)) 55 return (SDRC_ERROR_REPLY); 56 57 for (i = 1; i <= necho; ++i) { 58 MBC_INIT(&reply, SMB_HEADER_ED_LEN + 10 + nbytes); 59 60 (void) smb_encode_mbc(&reply, SMB_HEADER_ED_FMT, 61 sr->first_smb_com, 62 sr->smb_rcls, 63 sr->smb_reh, 64 sr->smb_err, 65 sr->smb_flg | SMB_FLAGS_REPLY, 66 sr->smb_flg2, 67 sr->smb_pid_high, 68 sr->smb_sig, 69 sr->smb_tid, 70 sr->smb_pid, 71 sr->smb_uid, 72 sr->smb_mid); 73 74 (void) smb_encode_mbc(&reply, "bww#c", 1, i, 75 nbytes, nbytes, data); 76 77 if (sr->session->signing.flags & SMB_SIGNING_ENABLED) 78 smb_sign_reply(sr, &reply); 79 80 (void) smb_session_send(sr->session, 0, &reply); 81 } 82 83 return (SDRC_NO_REPLY); 84 } 85 86 /* 87 * Broadcast messages are not supported. 88 */ 89 smb_sdrc_t /*ARGSUSED*/ 90 smb_com_send_broadcast_message(struct smb_request *sr) 91 { 92 return (SDRC_UNIMPLEMENTED); 93 } 94 95 /* 96 * Multi-block messages are not supported. 97 */ 98 smb_sdrc_t /*ARGSUSED*/ 99 smb_com_send_end_mb_message(struct smb_request *sr) 100 { 101 return (SDRC_UNIMPLEMENTED); 102 } 103 104 /* 105 * Single-block messages are not supported. 106 */ 107 smb_sdrc_t /*ARGSUSED*/ 108 smb_com_send_single_message(struct smb_request *sr) 109 { 110 return (SDRC_UNIMPLEMENTED); 111 } 112 113 /* 114 * Multi-block messages are not supported. 115 */ 116 smb_sdrc_t /*ARGSUSED*/ 117 smb_com_send_start_mb_message(struct smb_request *sr) 118 { 119 return (SDRC_UNIMPLEMENTED); 120 } 121 122 /* 123 * Multi-block messages are not supported. 124 */ 125 smb_sdrc_t /*ARGSUSED*/ 126 smb_com_send_text_mb_message(struct smb_request *sr) 127 { 128 return (SDRC_UNIMPLEMENTED); 129 } 130