1da6c28aaSamw /* 2da6c28aaSamw * CDDL HEADER START 3da6c28aaSamw * 4da6c28aaSamw * The contents of this file are subject to the terms of the 5da6c28aaSamw * Common Development and Distribution License (the "License"). 6da6c28aaSamw * You may not use this file except in compliance with the License. 7da6c28aaSamw * 8da6c28aaSamw * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9da6c28aaSamw * or http://www.opensolaris.org/os/licensing. 10da6c28aaSamw * See the License for the specific language governing permissions 11da6c28aaSamw * and limitations under the License. 12da6c28aaSamw * 13da6c28aaSamw * When distributing Covered Code, include this CDDL HEADER in each 14da6c28aaSamw * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15da6c28aaSamw * If applicable, add the following below this CDDL HEADER, with the 16da6c28aaSamw * fields enclosed by brackets "[]" replaced with your own identifying 17da6c28aaSamw * information: Portions Copyright [yyyy] [name of copyright owner] 18da6c28aaSamw * 19da6c28aaSamw * CDDL HEADER END 20da6c28aaSamw */ 21da6c28aaSamw /* 227b59d02dSjb * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 23da6c28aaSamw * Use is subject to license terms. 24da6c28aaSamw */ 25da6c28aaSamw 26da6c28aaSamw #pragma ident "%Z%%M% %I% %E% SMI" 27da6c28aaSamw 28da6c28aaSamw #include <smbsrv/smb_incl.h> 29da6c28aaSamw 30da6c28aaSamw /* 31da6c28aaSamw * The echo request is used to test the connection to the server, 32da6c28aaSamw * and to see if the server is still responding. The tid is ignored, 33da6c28aaSamw * so this request may be sent to the server even if there are no 34da6c28aaSamw * tree connections to the server. 35da6c28aaSamw * 36da6c28aaSamw * Each response echoes the data sent, though ByteCount may indicate 37da6c28aaSamw * no data. If echo-count is zero, no response is sent. 38da6c28aaSamw */ 39faa1795aSjb smb_sdrc_t 40faa1795aSjb smb_pre_echo(smb_request_t *sr) 41faa1795aSjb { 42faa1795aSjb DTRACE_SMB_1(op__Echo__start, smb_request_t *, sr); 43faa1795aSjb return (SDRC_SUCCESS); 44faa1795aSjb } 45faa1795aSjb 46faa1795aSjb void 47faa1795aSjb smb_post_echo(smb_request_t *sr) 48faa1795aSjb { 49faa1795aSjb DTRACE_SMB_1(op__Echo__done, smb_request_t *, sr); 50faa1795aSjb } 51faa1795aSjb 527b59d02dSjb smb_sdrc_t 53da6c28aaSamw smb_com_echo(struct smb_request *sr) 54da6c28aaSamw { 55da6c28aaSamw unsigned short necho; 56da6c28aaSamw unsigned short nbytes; 57da6c28aaSamw unsigned short i; 58da6c28aaSamw struct mbuf_chain reply; 59da6c28aaSamw char *data; 60da6c28aaSamw 617b59d02dSjb if (smbsr_decode_vwv(sr, "w", &necho) != 0) 62faa1795aSjb return (SDRC_ERROR); 63da6c28aaSamw 64da6c28aaSamw nbytes = sr->smb_bcc; 65da6c28aaSamw data = smbsr_malloc(&sr->request_storage, nbytes); 66da6c28aaSamw 67*3db3f65cSamw if (smb_mbc_decodef(&sr->smb_data, "#c", nbytes, data)) 68faa1795aSjb return (SDRC_ERROR); 69da6c28aaSamw 70da6c28aaSamw for (i = 1; i <= necho; ++i) { 71da6c28aaSamw MBC_INIT(&reply, SMB_HEADER_ED_LEN + 10 + nbytes); 72da6c28aaSamw 73*3db3f65cSamw (void) smb_mbc_encodef(&reply, SMB_HEADER_ED_FMT, 74da6c28aaSamw sr->first_smb_com, 75da6c28aaSamw sr->smb_rcls, 76da6c28aaSamw sr->smb_reh, 77da6c28aaSamw sr->smb_err, 78da6c28aaSamw sr->smb_flg | SMB_FLAGS_REPLY, 79da6c28aaSamw sr->smb_flg2, 80da6c28aaSamw sr->smb_pid_high, 81da6c28aaSamw sr->smb_sig, 82da6c28aaSamw sr->smb_tid, 83da6c28aaSamw sr->smb_pid, 84da6c28aaSamw sr->smb_uid, 85da6c28aaSamw sr->smb_mid); 86da6c28aaSamw 87*3db3f65cSamw (void) smb_mbc_encodef(&reply, "bww#c", 1, i, 88da6c28aaSamw nbytes, nbytes, data); 89da6c28aaSamw 90da6c28aaSamw if (sr->session->signing.flags & SMB_SIGNING_ENABLED) 91da6c28aaSamw smb_sign_reply(sr, &reply); 92da6c28aaSamw 93da6c28aaSamw (void) smb_session_send(sr->session, 0, &reply); 94da6c28aaSamw } 95da6c28aaSamw 96da6c28aaSamw return (SDRC_NO_REPLY); 97da6c28aaSamw } 98