/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. */ #include #include #include #include #include #include #include #include #include static int smb_drv_open(dev_t *, int, int, cred_t *); static int smb_drv_close(dev_t, int, int, cred_t *); static int smb_drv_ioctl(dev_t, int, intptr_t, int, cred_t *, int *); static int smb_drv_attach(dev_info_t *, ddi_attach_cmd_t); static int smb_drv_detach(dev_info_t *, ddi_detach_cmd_t); static int smb_drv_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **); /* * ***************************************************************************** * ****************************** Global Variables ***************************** * ***************************************************************************** * * These variables can only be changed through the /etc/system file. */ /* * Maximum buffer size for NT: configurable based on the client environment. * IR104720 Experiments with Windows 2000 indicate that we achieve better * SmbWriteX performance with a buffer size of 64KB instead of the 37KB used * with Windows NT4.0. Previous experiments with NT4.0 resulted in directory * listing problems so this buffer size is configurable based on the end-user * environment. When in doubt use 37KB. */ int smb_maxbufsize = SMB_NT_MAXBUF; int smb_oplock_timeout = OPLOCK_STD_TIMEOUT; int smb_flush_required = 1; int smb_dirsymlink_enable = 1; int smb_sign_debug = 0; uint_t smb_audit_flags = #ifdef DEBUG SMB_AUDIT_NODE; #else 0; #endif /* * ***************************************************************************** * ********************** Static Variables / Module Linkage ******************** * ***************************************************************************** */ static struct cb_ops cbops = { smb_drv_open, /* cb_open */ smb_drv_close, /* cb_close */ nodev, /* cb_strategy */ nodev, /* cb_print */ nodev, /* cb_dump */ nodev, /* cb_read */ nodev, /* cb_write */ smb_drv_ioctl, /* cb_ioctl */ nodev, /* cb_devmap */ nodev, /* cb_mmap */ nodev, /* cb_segmap */ nochpoll, /* cb_chpoll */ ddi_prop_op, /* cb_prop_op */ NULL, /* cb_streamtab */ D_MP, /* cb_flag */ CB_REV, /* cb_rev */ nodev, /* cb_aread */ nodev, /* cb_awrite */ }; static struct dev_ops devops = { DEVO_REV, /* devo_rev */ 0, /* devo_refcnt */ smb_drv_getinfo, /* devo_getinfo */ nulldev, /* devo_identify */ nulldev, /* devo_probe */ smb_drv_attach, /* devo_attach */ smb_drv_detach, /* devo_detach */ nodev, /* devo_reset */ &cbops, /* devo_cb_ops */ NULL, /* devo_bus_ops */ NULL, /* devo_power */ ddi_quiesce_not_needed, /* devo_quiesce */ }; static struct modldrv modldrv = { &mod_driverops, /* drv_modops */ "CIFS Server Protocol", /* drv_linkinfo */ &devops, }; static struct modlinkage modlinkage = { MODREV_1, /* revision of the module, must be: MODREV_1 */ &modldrv, /* ptr to linkage structures */ NULL, }; static dev_info_t *smb_drv_dip = NULL; /* * **************************************************************************** * Module Interface * **************************************************************************** */ int _init(void) { int rc; if ((rc = smb_kshare_init()) != 0) return (rc); if ((rc = smb_server_svc_init()) != 0) { smb_kshare_fini(); return (rc); } if ((rc = mod_install(&modlinkage)) != 0) { smb_kshare_fini(); (void) smb_server_svc_fini(); } return (rc); } int _info(struct modinfo *modinfop) { return (mod_info(&modlinkage, modinfop)); } int _fini(void) { int rc; if ((rc = mod_remove(&modlinkage)) == 0) { rc = smb_server_svc_fini(); smb_kshare_fini(); } return (rc); } /* * **************************************************************************** * Pseudo Device Entry Points * **************************************************************************** */ /* ARGSUSED */ static int smb_drv_open(dev_t *devp, int flag, int otyp, cred_t *credp) { /* * Check caller's privileges. */ if (secpolicy_smb(credp) != 0) return (EPERM); /* * Start SMB service state machine */ return (smb_server_create()); } /* ARGSUSED */ static int smb_drv_close(dev_t dev, int flag, int otyp, cred_t *credp) { return (smb_server_delete()); } /* ARGSUSED */ static int smb_drv_ioctl(dev_t drv, int cmd, intptr_t argp, int flags, cred_t *cred, int *retval) { smb_ioc_t *ioc; smb_ioc_header_t ioc_hdr; uint32_t crc; boolean_t copyout = B_FALSE; int rc = 0; if (ddi_copyin((const void *)argp, &ioc_hdr, sizeof (smb_ioc_header_t), flags) || (ioc_hdr.version != SMB_IOC_VERSION)) return (EFAULT); crc = ioc_hdr.crc; ioc_hdr.crc = 0; if (smb_crc_gen((uint8_t *)&ioc_hdr, sizeof (ioc_hdr)) != crc) return (EFAULT); ioc = kmem_alloc(ioc_hdr.len, KM_SLEEP); if (ddi_copyin((const void *)argp, ioc, ioc_hdr.len, flags)) { kmem_free(ioc, ioc_hdr.len); return (EFAULT); } switch (cmd) { case SMB_IOC_CONFIG: rc = smb_server_configure(&ioc->ioc_cfg); break; case SMB_IOC_START: rc = smb_server_start(&ioc->ioc_start); break; case SMB_IOC_STOP: rc = smb_server_stop(); break; case SMB_IOC_EVENT: rc = smb_server_notify_event(&ioc->ioc_event); break; case SMB_IOC_NBT_LISTEN: rc = smb_server_nbt_listen(&ioc->ioc_listen); break; case SMB_IOC_TCP_LISTEN: rc = smb_server_tcp_listen(&ioc->ioc_listen); break; case SMB_IOC_NBT_RECEIVE: rc = smb_server_nbt_receive(); break; case SMB_IOC_TCP_RECEIVE: rc = smb_server_tcp_receive(); break; case SMB_IOC_GMTOFF: rc = smb_server_set_gmtoff(&ioc->ioc_gmt); break; case SMB_IOC_SHARE: rc = smb_kshare_export_list(&ioc->ioc_share); break; case SMB_IOC_UNSHARE: rc = smb_kshare_unexport_list(&ioc->ioc_share); break; case SMB_IOC_NUMOPEN: rc = smb_server_numopen(&ioc->ioc_opennum); copyout = B_TRUE; break; case SMB_IOC_SVCENUM: rc = smb_server_enum(&ioc->ioc_svcenum); copyout = B_TRUE; break; case SMB_IOC_SESSION_CLOSE: rc = smb_server_session_close(&ioc->ioc_session); break; case SMB_IOC_FILE_CLOSE: rc = smb_server_file_close(&ioc->ioc_fileid); break; default: rc = ENOTTY; break; } if ((rc == 0) && copyout) { if (ddi_copyout((const void *)ioc, (void *)argp, ioc_hdr.len, flags)) rc = EFAULT; } kmem_free(ioc, ioc_hdr.len); return (rc); } /* * **************************************************************************** * Pseudo Device Operations * **************************************************************************** */ static int smb_drv_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) { if (cmd == DDI_ATTACH) { /* we only allow instance 0 to attach */ if (ddi_get_instance(dip) == 0) { /* create the minor node */ if (ddi_create_minor_node(dip, "smbsrv", S_IFCHR, 0, DDI_PSEUDO, 0) == DDI_SUCCESS) { smb_drv_dip = dip; return (DDI_SUCCESS); } else { cmn_err(CE_WARN, "smb_drv_attach:" " failed creating minor node"); } } } return (DDI_FAILURE); } static int smb_drv_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) { if (cmd == DDI_DETACH) { ASSERT(dip == smb_drv_dip); ddi_remove_minor_node(dip, NULL); smb_drv_dip = NULL; return (DDI_SUCCESS); } return (DDI_FAILURE); } /* ARGSUSED */ static int smb_drv_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **result) { ulong_t instance = getminor((dev_t)arg); switch (cmd) { case DDI_INFO_DEVT2DEVINFO: *result = smb_drv_dip; return (DDI_SUCCESS); case DDI_INFO_DEVT2INSTANCE: *result = (void *)instance; return (DDI_SUCCESS); default: break; } return (DDI_FAILURE); }