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 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 * 25 * Copyright 2017 Nexenta Systems, Inc. All rights reserved. 26 */ 27 28 /* 29 * SMB: process_exit 30 * 31 * This command informs the server that a client process has terminated. 32 * The server must close all files opened by Pid in the SMB header. This 33 * must automatically release all locks the process holds. 34 * 35 * Client Request Description 36 * ================================== ================================= 37 * 38 * UCHAR WordCount; Count of parameter words = 0 39 * USHORT ByteCount; Count of data bytes = 0 40 * 41 * Server Response Description 42 * ================================== ================================= 43 * 44 * UCHAR WordCount; Count of parameter words = 0 45 * USHORT ByteCount; Count of data bytes = 0 46 * 47 * This SMB should not generate any errors from the server, unless the 48 * server is a user mode server and Uid in the SMB header is invalid. 49 * 50 * Clients are not required to send this SMB, they can do all cleanup 51 * necessary by sending close SMBs to the server to release resources. In 52 * fact, clients who have negotiated LANMAN 1.0 and later probably do not 53 * send this message at all. 54 */ 55 56 #include <smbsrv/smb_kproto.h> 57 58 smb_sdrc_t 59 smb_pre_process_exit(smb_request_t *sr) 60 { 61 DTRACE_SMB_START(op__ProcessExit, smb_request_t *, sr); 62 return (SDRC_SUCCESS); 63 } 64 65 void 66 smb_post_process_exit(smb_request_t *sr) 67 { 68 DTRACE_SMB_DONE(op__ProcessExit, smb_request_t *, sr); 69 } 70 71 smb_sdrc_t 72 smb_com_process_exit(smb_request_t *sr) 73 { 74 int rc; 75 76 sr->uid_user = smb_session_lookup_uid(sr->session, sr->smb_uid); 77 if (sr->uid_user == NULL) { 78 rc = smbsr_encode_empty_result(sr); 79 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 80 } 81 82 sr->user_cr = smb_user_getcred(sr->uid_user); 83 84 /* 85 * If request has a valid tree ID, only look for the PID within 86 * that tree. Otherwise look in all the trees. smbtorture seems 87 * to be the only thing that sends this request these days and 88 * it doesn't provide a TID. 89 */ 90 sr->tid_tree = smb_session_lookup_tree(sr->session, sr->smb_tid); 91 if (sr->tid_tree != NULL) 92 smb_tree_close_pid(sr->tid_tree, sr->smb_pid); 93 else 94 smb_session_close_pid(sr->session, sr->smb_pid); 95 96 rc = smbsr_encode_empty_result(sr); 97 return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR); 98 } 99