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 (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright 2013 Nexenta Systems, Inc. All rights reserved. 24 */ 25 26 #include <sys/types.h> 27 #include <sys/ddi.h> 28 #include <sys/modctl.h> 29 #include <sys/cred.h> 30 #include <sys/disp.h> 31 #include <sys/ioccom.h> 32 #include <sys/policy.h> 33 #include <sys/cmn_err.h> 34 #include <smbsrv/smb_kproto.h> 35 #include <smbsrv/smb_ioctl.h> 36 37 /* 38 * ***************************************************************************** 39 * ****************************** Global Variables ***************************** 40 * ***************************************************************************** 41 * 42 * These variables can only be changed through the /etc/system file. 43 */ 44 45 /* 46 * Maximum buffer size for NT: configurable based on the client environment. 47 * IR104720 Experiments with Windows 2000 indicate that we achieve better 48 * SmbWriteX performance with a buffer size of 64KB instead of the 37KB used 49 * with Windows NT4.0. Previous experiments with NT4.0 resulted in directory 50 * listing problems so this buffer size is configurable based on the end-user 51 * environment. When in doubt use 37KB. 52 * 53 * smb_raw_mode: read_raw and write_raw supported (1) or NOT supported (0). 54 */ 55 int smb_maxbufsize = SMB_NT_MAXBUF; 56 int smb_oplock_levelII = 1; 57 int smb_oplock_timeout = OPLOCK_STD_TIMEOUT; 58 int smb_oplock_min_timeout = OPLOCK_MIN_TIMEOUT; 59 int smb_flush_required = 1; 60 int smb_dirsymlink_enable = 1; 61 int smb_sign_debug = 0; 62 int smb_raw_mode = 0; 63 int smb_shortnames = 1; 64 uint_t smb_audit_flags = 65 #ifdef DEBUG 66 SMB_AUDIT_NODE; 67 #else 68 0; 69 #endif 70 71 /* 72 * Maximum number of simultaneous authentication, share mapping, pipe open 73 * requests to be processed. 74 */ 75 int smb_ssetup_threshold = 256; 76 int smb_tcon_threshold = 1024; 77 int smb_opipe_threshold = 1024; 78 79 /* 80 * Number of milliseconds that a request will be stalled if it comes in after 81 * the maximum number of inflight operations are being proccessed. 82 */ 83 int smb_ssetup_timeout = (30 * 1000); 84 int smb_tcon_timeout = (30 * 1000); 85 int smb_opipe_timeout = (30 * 1000); 86 87 int smb_threshold_debug = 0; 88 89 /* 90 * Thread priorities used in smbsrv. Our threads spend most of their time 91 * blocked on various conditions. However, if the system gets heavy load, 92 * the scheduler has to choose an order to run these. We want the order: 93 * (a) timers, (b) notifications, (c) workers, (d) receivers (and etc.) 94 * where notifications are oplock and change notify work. Aside from this 95 * relative ordering, smbsrv threads should run with a priority close to 96 * that of normal user-space threads (thus minclsyspri below), just like 97 * NFS and other "file service" kinds of processing. 98 */ 99 int smbsrv_base_pri = MINCLSYSPRI; 100 int smbsrv_listen_pri = MINCLSYSPRI; 101 int smbsrv_receive_pri = MINCLSYSPRI; 102 int smbsrv_worker_pri = MINCLSYSPRI + 1; 103 int smbsrv_notify_pri = MINCLSYSPRI + 2; 104 int smbsrv_timer_pri = MINCLSYSPRI + 5; 105 106 /* 107 * These are the (open,close,ioctl) entry points into this 108 * (fake) "driver". They are declared in smb_ioctl.h 109 */ 110 111 static int g_init_done = 0; 112 113 int fksmbsrv_vfs_init(void); 114 115 int 116 fksmbsrv_drv_open(void) 117 { 118 int rc; 119 120 if (g_init_done == 0) { 121 if ((rc = fksmbsrv_vfs_init()) != 0) { 122 cmn_err(CE_WARN, "fksmbsrv_vfs_init, rc=%d", rc); 123 return (rc); 124 } 125 if ((rc = smb_server_g_init()) != 0) { 126 cmn_err(CE_WARN, "smb_server_g_init, rc=%d", rc); 127 return (rc); 128 } 129 g_init_done = 1; 130 } 131 132 rc = smb_server_create(); 133 return (rc); 134 } 135 136 int 137 fksmbsrv_drv_close(void) 138 { 139 int rc; 140 141 rc = smb_server_delete(); 142 143 if (g_init_done != 0) { 144 smb_server_g_fini(); 145 g_init_done = 0; 146 } 147 148 return (rc); 149 } 150 151 /* 152 * This is the primary entry point into this library, called by 153 * fksmbd (user-level debug version of smbsrv). 154 */ 155 int 156 fksmbsrv_drv_ioctl(int cmd, void *varg) 157 { 158 smb_ioc_t *ioc = varg; 159 int rc = 0; 160 161 switch (cmd) { 162 case SMB_IOC_CONFIG: 163 rc = smb_server_configure(&ioc->ioc_cfg); 164 break; 165 case SMB_IOC_START: 166 rc = smb_server_start(&ioc->ioc_start); 167 break; 168 case SMB_IOC_STOP: 169 rc = smb_server_stop(); 170 break; 171 case SMB_IOC_EVENT: 172 rc = smb_server_notify_event(&ioc->ioc_event); 173 break; 174 case SMB_IOC_GMTOFF: 175 rc = smb_server_set_gmtoff(&ioc->ioc_gmt); 176 break; 177 case SMB_IOC_SHARE: 178 rc = smb_kshare_export_list(&ioc->ioc_share); 179 break; 180 case SMB_IOC_UNSHARE: 181 rc = smb_kshare_unexport_list(&ioc->ioc_share); 182 break; 183 case SMB_IOC_SHAREINFO: 184 rc = smb_kshare_info(&ioc->ioc_shareinfo); 185 break; 186 case SMB_IOC_NUMOPEN: 187 rc = smb_server_numopen(&ioc->ioc_opennum); 188 break; 189 case SMB_IOC_SVCENUM: 190 rc = smb_server_enum(&ioc->ioc_svcenum); 191 break; 192 case SMB_IOC_SESSION_CLOSE: 193 rc = smb_server_session_close(&ioc->ioc_session); 194 break; 195 case SMB_IOC_FILE_CLOSE: 196 rc = smb_server_file_close(&ioc->ioc_fileid); 197 break; 198 case SMB_IOC_SPOOLDOC: 199 rc = smb_server_spooldoc(&ioc->ioc_spooldoc); 200 break; 201 default: 202 rc = ENOTTY; 203 break; 204 } 205 206 return (rc); 207 } 208 209 /* 210 * This function intentionally does nothing. It's used only to 211 * force libfksmbsrv to load when fksmbd starts so one can set 212 * breakpoints etc. without debugger "force load" tricks. 213 */ 214 void 215 fksmbsrv_drv_load(void) 216 { 217 } 218