15331Samw /* 25331Samw * CDDL HEADER START 35331Samw * 45331Samw * The contents of this file are subject to the terms of the 55331Samw * Common Development and Distribution License (the "License"). 65331Samw * You may not use this file except in compliance with the License. 75331Samw * 85331Samw * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 95331Samw * or http://www.opensolaris.org/os/licensing. 105331Samw * See the License for the specific language governing permissions 115331Samw * and limitations under the License. 125331Samw * 135331Samw * When distributing Covered Code, include this CDDL HEADER in each 145331Samw * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 155331Samw * If applicable, add the following below this CDDL HEADER, with the 165331Samw * fields enclosed by brackets "[]" replaced with your own identifying 175331Samw * information: Portions Copyright [yyyy] [name of copyright owner] 185331Samw * 195331Samw * CDDL HEADER END 205331Samw */ 215331Samw /* 22*10966SJordan.Brown@Sun.COM * Copyright 2009 Sun Microsystems, Inc. All rights reserved. 235331Samw * Use is subject to license terms. 245331Samw */ 255331Samw 26*10966SJordan.Brown@Sun.COM #include <smbsrv/smb_kproto.h> 275331Samw 285331Samw /* 295331Samw * The echo request is used to test the connection to the server, 305331Samw * and to see if the server is still responding. The tid is ignored, 315331Samw * so this request may be sent to the server even if there are no 325331Samw * tree connections to the server. 335331Samw * 345331Samw * Each response echoes the data sent, though ByteCount may indicate 355331Samw * no data. If echo-count is zero, no response is sent. 365331Samw */ 376030Sjb150015 smb_sdrc_t 386139Sjb150015 smb_pre_echo(smb_request_t *sr) 396139Sjb150015 { 406139Sjb150015 DTRACE_SMB_1(op__Echo__start, smb_request_t *, sr); 416139Sjb150015 return (SDRC_SUCCESS); 426139Sjb150015 } 436139Sjb150015 446139Sjb150015 void 456139Sjb150015 smb_post_echo(smb_request_t *sr) 466139Sjb150015 { 476139Sjb150015 DTRACE_SMB_1(op__Echo__done, smb_request_t *, sr); 486139Sjb150015 } 496139Sjb150015 506139Sjb150015 smb_sdrc_t 515331Samw smb_com_echo(struct smb_request *sr) 525331Samw { 535331Samw unsigned short necho; 545331Samw unsigned short nbytes; 555331Samw unsigned short i; 565331Samw struct mbuf_chain reply; 575331Samw char *data; 585331Samw 596030Sjb150015 if (smbsr_decode_vwv(sr, "w", &necho) != 0) 606139Sjb150015 return (SDRC_ERROR); 615331Samw 625331Samw nbytes = sr->smb_bcc; 63*10966SJordan.Brown@Sun.COM data = smb_srm_alloc(sr, nbytes); 645331Samw 657052Samw if (smb_mbc_decodef(&sr->smb_data, "#c", nbytes, data)) 666139Sjb150015 return (SDRC_ERROR); 675331Samw 685331Samw for (i = 1; i <= necho; ++i) { 695331Samw MBC_INIT(&reply, SMB_HEADER_ED_LEN + 10 + nbytes); 705331Samw 717052Samw (void) smb_mbc_encodef(&reply, SMB_HEADER_ED_FMT, 725331Samw sr->first_smb_com, 735331Samw sr->smb_rcls, 745331Samw sr->smb_reh, 755331Samw sr->smb_err, 765331Samw sr->smb_flg | SMB_FLAGS_REPLY, 775331Samw sr->smb_flg2, 785331Samw sr->smb_pid_high, 795331Samw sr->smb_sig, 805331Samw sr->smb_tid, 815331Samw sr->smb_pid, 825331Samw sr->smb_uid, 835331Samw sr->smb_mid); 845331Samw 857052Samw (void) smb_mbc_encodef(&reply, "bww#c", 1, i, 865331Samw nbytes, nbytes, data); 875331Samw 885331Samw if (sr->session->signing.flags & SMB_SIGNING_ENABLED) 895331Samw smb_sign_reply(sr, &reply); 905331Samw 915331Samw (void) smb_session_send(sr->session, 0, &reply); 925331Samw } 935331Samw 945331Samw return (SDRC_NO_REPLY); 955331Samw } 96