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 2017 Nexenta Systems, Inc. All rights reserved. 24 * Copyright 2015-2023 RackTop Systems, Inc. 25 */ 26 27 #include <sys/types.h> 28 #include <sys/ddi.h> 29 #include <sys/modctl.h> 30 #include <sys/cred.h> 31 #include <sys/disp.h> 32 #include <sys/ioccom.h> 33 #include <sys/policy.h> 34 #include <sys/cmn_err.h> 35 #include <smbsrv/smb_kproto.h> 36 #include <smbsrv/smb_ioctl.h> 37 38 /* 39 * ***************************************************************************** 40 * ****************************** Global Variables ***************************** 41 * ***************************************************************************** 42 * 43 * These variables can only be changed through the /etc/system file. 44 */ 45 46 /* 47 * Maximum buffer size for NT: configurable based on the client environment. 48 * IR104720 Experiments with Windows 2000 indicate that we achieve better 49 * SmbWriteX performance with a buffer size of 64KB instead of the 37KB used 50 * with Windows NT4.0. Previous experiments with NT4.0 resulted in directory 51 * listing problems so this buffer size is configurable based on the end-user 52 * environment. When in doubt use 37KB. 53 */ 54 int smb_maxbufsize = SMB_NT_MAXBUF; 55 int smb_flush_required = 1; 56 int smb_dirsymlink_enable = 1; 57 int smb_sign_debug = 0; 58 uint_t smb_audit_flags = 59 #ifdef DEBUG 60 SMB_AUDIT_NODE; 61 #else 62 0; 63 #endif 64 65 /* 66 * We don't normally have nbmand support in the test share 67 * used by fksmbd, but we'd still like the locking code 68 * to be testable. Intereactions with NFS etc. are not a 69 * concern in fksmbd, so allow it to use advisory locks. 70 * 71 * Should fix the fksmbd test share so it supports nbmand, 72 * and then set this to zero like the real server. 73 */ 74 int smb_allow_advisory_locks = 1; /* See smb_vops.c */ 75 76 /* 77 * Maximum number of simultaneous authentication, share mapping, pipe open 78 * requests to be processed. 79 */ 80 int smb_ssetup_threshold = SMB_AUTHSVC_MAXTHREAD; 81 int smb_tcon_threshold = 1024; 82 int smb_opipe_threshold = 1024; 83 int smb_logoff_threshold = 1024; 84 85 /* 86 * Number of milliseconds that a request will be stalled if it comes in after 87 * the maximum number of inflight operations are being proccessed. 88 */ 89 int smb_ssetup_timeout = (30 * 1000); 90 int smb_tcon_timeout = (30 * 1000); 91 int smb_opipe_timeout = (30 * 1000); 92 int smb_logoff_timeout = (600 * 1000); 93 94 /* 95 * Thread priorities used in smbsrv -- actually unused here. 96 * See $UTS/common/fs/smbsrv/smb_init.c 97 */ 98 int smbsrv_base_pri = MINCLSYSPRI; 99 int smbsrv_listen_pri = MINCLSYSPRI; 100 int smbsrv_receive_pri = MINCLSYSPRI; 101 int smbsrv_worker_pri = MINCLSYSPRI; 102 int smbsrv_notify_pri = MINCLSYSPRI; 103 int smbsrv_timer_pri = MINCLSYSPRI; 104 105 /* 106 * These are the (open,close,ioctl) entry points into this 107 * (fake) "driver". They are declared in smb_ioctl.h 108 */ 109 110 static int g_init_done = 0; 111 112 int fksmbsrv_vfs_init(void); 113 114 int 115 fksmbsrv_drv_open(void) 116 { 117 int rc; 118 119 if (g_init_done == 0) { 120 if ((rc = fksmbsrv_vfs_init()) != 0) { 121 cmn_err(CE_WARN, "fksmbsrv_vfs_init, rc=%d", rc); 122 return (rc); 123 } 124 if ((rc = smb_server_g_init()) != 0) { 125 cmn_err(CE_WARN, "smb_server_g_init, rc=%d", rc); 126 return (rc); 127 } 128 g_init_done = 1; 129 } 130 131 rc = smb_server_create(0); 132 return (rc); 133 } 134 135 int 136 fksmbsrv_drv_close(void) 137 { 138 smb_server_t *sv; 139 int rc; 140 141 rc = smb_server_lookup(&sv); 142 if (rc == 0) 143 rc = smb_server_delete(sv); 144 145 if (g_init_done != 0) { 146 smb_server_g_fini(); 147 g_init_done = 0; 148 } 149 150 return (rc); 151 } 152 153 /* 154 * This is the primary entry point into this library, called by 155 * fksmbd (user-level debug version of smbsrv). 156 * 157 * The code here is a reduced version of: smb_drv_ioctl 158 * from $UTS/common/fs/smbsrv/smb_init.c 159 */ 160 int 161 fksmbsrv_drv_ioctl(int cmd, void *varg) 162 { 163 smb_server_t *sv; 164 smb_ioc_t *ioc = varg; 165 int rc = 0; 166 167 /* Unlike smb_drv_ioctl(), no copyin/copyout here. */ 168 169 rc = smb_server_lookup(&sv); 170 if (rc != 0) 171 return (rc); 172 173 /* No access control checks. */ 174 175 switch (cmd) { 176 case SMB_IOC_CONFIG: 177 rc = smb_server_configure(sv, &ioc->ioc_cfg); 178 break; 179 case SMB_IOC_START: 180 rc = smb_server_start(sv, &ioc->ioc_start); 181 break; 182 case SMB_IOC_STOP: 183 rc = smb_server_stop(sv); 184 break; 185 case SMB_IOC_EVENT: 186 rc = smb_server_notify_event(sv, &ioc->ioc_event); 187 break; 188 case SMB_IOC_GMTOFF: 189 rc = smb_server_set_gmtoff(sv, &ioc->ioc_gmt); 190 break; 191 case SMB_IOC_SHARE: 192 rc = smb_kshare_export_list(sv, &ioc->ioc_share); 193 break; 194 case SMB_IOC_UNSHARE: 195 rc = smb_kshare_unexport_list(sv, &ioc->ioc_share); 196 break; 197 case SMB_IOC_SHAREINFO: 198 rc = smb_kshare_info(sv, &ioc->ioc_shareinfo); 199 break; 200 case SMB_IOC_SHAREACCESS: 201 rc = smb_kshare_access(sv, &ioc->ioc_shareaccess); 202 break; 203 case SMB_IOC_NUMOPEN: 204 rc = smb_server_numopen(sv, &ioc->ioc_opennum); 205 break; 206 case SMB_IOC_SVCENUM: 207 rc = smb_server_enum(sv, &ioc->ioc_svcenum); 208 break; 209 case SMB_IOC_SESSION_CLOSE: 210 rc = smb_server_session_close(sv, &ioc->ioc_session); 211 break; 212 case SMB_IOC_FILE_CLOSE: 213 rc = smb_server_file_close(sv, &ioc->ioc_fileid); 214 break; 215 case SMB_IOC_SPOOLDOC: 216 rc = smb_server_spooldoc(sv, &ioc->ioc_spooldoc); 217 break; 218 default: 219 rc = SET_ERROR(ENOTTY); 220 break; 221 } 222 223 smb_server_release(sv); 224 225 return (rc); 226 } 227 228 /* 229 * This function intentionally does nothing. It's used only to 230 * force libfksmbsrv to load when fksmbd starts so one can set 231 * breakpoints etc. without debugger "force load" tricks. 232 */ 233 void 234 fksmbsrv_drv_load(void) 235 { 236 } 237