diff options
Diffstat (limited to 'src/VBox/Additions/darwin/VBoxSF/VBoxSF-VfsOps.cpp')
| -rw-r--r-- | src/VBox/Additions/darwin/VBoxSF/VBoxSF-VfsOps.cpp | 629 |
1 files changed, 629 insertions, 0 deletions
diff --git a/src/VBox/Additions/darwin/VBoxSF/VBoxSF-VfsOps.cpp b/src/VBox/Additions/darwin/VBoxSF/VBoxSF-VfsOps.cpp new file mode 100644 index 00000000..cb61d7a4 --- /dev/null +++ b/src/VBox/Additions/darwin/VBoxSF/VBoxSF-VfsOps.cpp @@ -0,0 +1,629 @@ +/* $Id: VBoxSF-VfsOps.cpp $ */ +/** @file + * VBoxFS - Darwin Shared Folders, Virtual File System Operations. + */ + +/* + * Copyright (C) 2013-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP LOG_GROUP_SHARED_FOLDERS +#include "VBoxSFInternal.h" + +#include <iprt/assert.h> +#include <iprt/asm.h> +#include <iprt/mem.h> +#include <iprt/string.h> +#include <VBox/log.h> + + + +/** + * vfsops::vfs_getattr implementation. + * + * @returns 0 on success or errno.h value on failure. + * @param pMount The mount data structure. + * @param pFsAttr Input & output structure. + * @param pContext Unused kAuth parameter. + */ +static int vboxSfDwnVfsGetAttr(mount_t pMount, struct vfs_attr *pFsAttr, vfs_context_t pContext) +{ + PVBOXSFMNTDATA pThis = (PVBOXSFMNTDATA)vfs_fsprivate(pMount); + AssertReturn(pThis, EBADMSG); + LogFlow(("vboxSfDwnVfsGetAttr: %s\n", pThis->MntInfo.szFolder)); + RT_NOREF(pContext); + + /* + * Get the file system stats from the host. + */ + int rc; + struct MyEmbReq + { + VBGLIOCIDCHGCMFASTCALL Hdr; + VMMDevHGCMCall Call; + VBoxSFParmInformation Parms; + SHFLVOLINFO VolInfo; + } *pReq = (struct MyEmbReq *)VbglR0PhysHeapAlloc(sizeof(*pReq)); + if (pReq) + { + RT_ZERO(pReq->VolInfo); + + VBGLIOCIDCHGCMFASTCALL_INIT(&pReq->Hdr, VbglR0PhysHeapGetPhysAddr(pReq), &pReq->Call, g_SfClientDarwin.idClient, + SHFL_FN_INFORMATION, SHFL_CPARMS_INFORMATION, sizeof(*pReq)); + pReq->Parms.id32Root.type = VMMDevHGCMParmType_32bit; + pReq->Parms.id32Root.u.value32 = pThis->hHostFolder.root; + pReq->Parms.u64Handle.type = VMMDevHGCMParmType_64bit; + pReq->Parms.u64Handle.u.value64 = 0; + pReq->Parms.f32Flags.type = VMMDevHGCMParmType_32bit; + pReq->Parms.f32Flags.u.value32 = SHFL_INFO_VOLUME | SHFL_INFO_GET; + pReq->Parms.cb32.type = VMMDevHGCMParmType_32bit; + pReq->Parms.cb32.u.value32 = sizeof(pReq->VolInfo); + pReq->Parms.pInfo.type = VMMDevHGCMParmType_Embedded; + pReq->Parms.pInfo.u.Embedded.cbData = sizeof(pReq->VolInfo); + pReq->Parms.pInfo.u.Embedded.offData = RT_UOFFSETOF(struct MyEmbReq, VolInfo) - sizeof(VBGLIOCIDCHGCMFASTCALL); + pReq->Parms.pInfo.u.Embedded.fFlags = VBOX_HGCM_F_PARM_DIRECTION_FROM_HOST; + + int vrc = VbglR0HGCMFastCall(g_SfClientDarwin.handle, &pReq->Hdr, sizeof(*pReq)); + if (RT_SUCCESS(vrc)) + vrc = pReq->Call.header.result; + if (RT_SUCCESS(vrc)) + { + /* + * Fill in stuff. + */ + /* Copy over the results we got from the host. */ + uint32_t cbUnit = pReq->VolInfo.ulBytesPerSector * pReq->VolInfo.ulBytesPerAllocationUnit; + VFSATTR_RETURN(pFsAttr, f_bsize, cbUnit); + VFSATTR_RETURN(pFsAttr, f_iosize, _64K); /** @todo what's a good block size... */ + VFSATTR_RETURN(pFsAttr, f_blocks, (uint64_t)pReq->VolInfo.ullTotalAllocationBytes / cbUnit); + VFSATTR_RETURN(pFsAttr, f_bavail, (uint64_t)pReq->VolInfo.ullAvailableAllocationBytes / cbUnit); + VFSATTR_RETURN(pFsAttr, f_bfree, (uint64_t)pReq->VolInfo.ullAvailableAllocationBytes / cbUnit); + VFSATTR_RETURN(pFsAttr, f_bused, + ((uint64_t)pReq->VolInfo.ullTotalAllocationBytes - (uint64_t)pReq->VolInfo.ullAvailableAllocationBytes) / cbUnit); + fsid_t const fsid = { { vfs_statfs(pMount)->f_fsid.val[0], vfs_typenum(pMount) } }; + VFSATTR_RETURN(pFsAttr, f_fsid, fsid); + + /* f_owner is handled by caller. */ + /* f_signature is handled by caller. */ + + struct timespec TmpTv = { 1084190406, 0 }; + VFSATTR_RETURN(pFsAttr, f_create_time, TmpTv); + + /* + * Unsupported bits. + */ + /* Dummies for some values we don't support. */ + VFSATTR_RETURN(pFsAttr, f_objcount, 0); + VFSATTR_RETURN(pFsAttr, f_filecount, 0); + VFSATTR_RETURN(pFsAttr, f_dircount, 0); + VFSATTR_RETURN(pFsAttr, f_maxobjcount, UINT32_MAX); + VFSATTR_RETURN(pFsAttr, f_files, UINT32_MAX); + VFSATTR_RETURN(pFsAttr, f_ffree, UINT32_MAX); + VFSATTR_RETURN(pFsAttr, f_fssubtype, 0); + VFSATTR_RETURN(pFsAttr, f_carbon_fsid, 0); + + /* Totally not supported: */ + VFSATTR_CLEAR_ACTIVE(pFsAttr, f_modify_time); + VFSATTR_CLEAR_ACTIVE(pFsAttr, f_access_time); + VFSATTR_CLEAR_ACTIVE(pFsAttr, f_backup_time); + + /* + * Annoying capability stuff. + * The 'valid' bits are only supposed to be set when we know for sure. + */ + if (VFSATTR_IS_ACTIVE(pFsAttr, f_capabilities)) + { + vol_capabilities_attr_t *pCaps = &pFsAttr->f_capabilities; + + pCaps->valid[VOL_CAPABILITIES_FORMAT] = VOL_CAP_FMT_PERSISTENTOBJECTIDS + | VOL_CAP_FMT_SYMBOLICLINKS + | VOL_CAP_FMT_HARDLINKS + | VOL_CAP_FMT_JOURNAL + | VOL_CAP_FMT_JOURNAL_ACTIVE + | VOL_CAP_FMT_NO_ROOT_TIMES + | VOL_CAP_FMT_SPARSE_FILES + | VOL_CAP_FMT_ZERO_RUNS + | VOL_CAP_FMT_CASE_SENSITIVE + | VOL_CAP_FMT_CASE_PRESERVING + | VOL_CAP_FMT_FAST_STATFS + | VOL_CAP_FMT_2TB_FILESIZE + | VOL_CAP_FMT_OPENDENYMODES + | VOL_CAP_FMT_HIDDEN_FILES + | VOL_CAP_FMT_PATH_FROM_ID + | VOL_CAP_FMT_NO_VOLUME_SIZES + | VOL_CAP_FMT_DECMPFS_COMPRESSION + | VOL_CAP_FMT_64BIT_OBJECT_IDS; + pCaps->capabilities[VOL_CAPABILITIES_FORMAT] = VOL_CAP_FMT_2TB_FILESIZE + /// @todo | VOL_CAP_FMT_SYMBOLICLINKS - later + /// @todo | VOL_CAP_FMT_SPARSE_FILES - probably, needs testing. + /*| VOL_CAP_FMT_CASE_SENSITIVE - case-insensitive */ + | VOL_CAP_FMT_CASE_PRESERVING + /// @todo | VOL_CAP_FMT_HIDDEN_FILES - if windows host. + /// @todo | VOL_CAP_FMT_OPENDENYMODES - if windows host. + ; + pCaps->valid[VOL_CAPABILITIES_INTERFACES] = VOL_CAP_INT_SEARCHFS + | VOL_CAP_INT_ATTRLIST + | VOL_CAP_INT_NFSEXPORT + | VOL_CAP_INT_READDIRATTR + | VOL_CAP_INT_EXCHANGEDATA + | VOL_CAP_INT_COPYFILE + | VOL_CAP_INT_ALLOCATE + | VOL_CAP_INT_VOL_RENAME + | VOL_CAP_INT_ADVLOCK + | VOL_CAP_INT_FLOCK + | VOL_CAP_INT_EXTENDED_SECURITY + | VOL_CAP_INT_USERACCESS + | VOL_CAP_INT_MANLOCK + | VOL_CAP_INT_NAMEDSTREAMS + | VOL_CAP_INT_EXTENDED_ATTR; + pCaps->capabilities[VOL_CAPABILITIES_INTERFACES] = 0 + /// @todo | VOL_CAP_INT_SEARCHFS + /// @todo | VOL_CAP_INT_COPYFILE + /// @todo | VOL_CAP_INT_READDIRATTR + ; + + pCaps->valid[VOL_CAPABILITIES_RESERVED1] = 0; + pCaps->capabilities[VOL_CAPABILITIES_RESERVED1] = 0; + + pCaps->valid[VOL_CAPABILITIES_RESERVED2] = 0; + pCaps->capabilities[VOL_CAPABILITIES_RESERVED2] = 0; + + VFSATTR_SET_SUPPORTED(pFsAttr, f_capabilities); + } + + + /* + * Annoying attribute stuff. + * The 'valid' bits are only supposed to be set when we know for sure. + */ + if (VFSATTR_IS_ACTIVE(pFsAttr, f_attributes)) + { + vol_attributes_attr_t *pAt = &pFsAttr->f_attributes; + + pAt->validattr.commonattr = ATTR_CMN_NAME + | ATTR_CMN_DEVID + | ATTR_CMN_FSID + | ATTR_CMN_OBJTYPE + | ATTR_CMN_OBJTAG + | ATTR_CMN_OBJID + | ATTR_CMN_OBJPERMANENTID + | ATTR_CMN_PAROBJID + | ATTR_CMN_SCRIPT + | ATTR_CMN_CRTIME + | ATTR_CMN_MODTIME + | ATTR_CMN_CHGTIME + | ATTR_CMN_ACCTIME + | ATTR_CMN_BKUPTIME + | ATTR_CMN_FNDRINFO + | ATTR_CMN_OWNERID + | ATTR_CMN_GRPID + | ATTR_CMN_ACCESSMASK + | ATTR_CMN_FLAGS + | ATTR_CMN_USERACCESS + | ATTR_CMN_EXTENDED_SECURITY + | ATTR_CMN_UUID + | ATTR_CMN_GRPUUID + | ATTR_CMN_FILEID + | ATTR_CMN_PARENTID + | ATTR_CMN_FULLPATH + | ATTR_CMN_ADDEDTIME; + pAt->nativeattr.commonattr = ATTR_CMN_NAME + | ATTR_CMN_DEVID + | ATTR_CMN_FSID + | ATTR_CMN_OBJTYPE + | ATTR_CMN_OBJTAG + | ATTR_CMN_OBJID + //| ATTR_CMN_OBJPERMANENTID + | ATTR_CMN_PAROBJID + //| ATTR_CMN_SCRIPT + | ATTR_CMN_CRTIME + | ATTR_CMN_MODTIME + | ATTR_CMN_CHGTIME + | ATTR_CMN_ACCTIME + //| ATTR_CMN_BKUPTIME + //| ATTR_CMN_FNDRINFO + //| ATTR_CMN_OWNERID + //| ATTR_CMN_GRPID + | ATTR_CMN_ACCESSMASK + //| ATTR_CMN_FLAGS + //| ATTR_CMN_USERACCESS + //| ATTR_CMN_EXTENDED_SECURITY + //| ATTR_CMN_UUID + //| ATTR_CMN_GRPUUID + | ATTR_CMN_FILEID + | ATTR_CMN_PARENTID + | ATTR_CMN_FULLPATH + //| ATTR_CMN_ADDEDTIME + ; + pAt->validattr.volattr = ATTR_VOL_FSTYPE + | ATTR_VOL_SIGNATURE + | ATTR_VOL_SIZE + | ATTR_VOL_SPACEFREE + | ATTR_VOL_SPACEAVAIL + | ATTR_VOL_MINALLOCATION + | ATTR_VOL_ALLOCATIONCLUMP + | ATTR_VOL_IOBLOCKSIZE + | ATTR_VOL_OBJCOUNT + | ATTR_VOL_FILECOUNT + | ATTR_VOL_DIRCOUNT + | ATTR_VOL_MAXOBJCOUNT + | ATTR_VOL_MOUNTPOINT + | ATTR_VOL_NAME + | ATTR_VOL_MOUNTFLAGS + | ATTR_VOL_MOUNTEDDEVICE + | ATTR_VOL_ENCODINGSUSED + | ATTR_VOL_CAPABILITIES + | ATTR_VOL_UUID + | ATTR_VOL_ATTRIBUTES + | ATTR_VOL_INFO; + pAt->nativeattr.volattr = ATTR_VOL_FSTYPE + //| ATTR_VOL_SIGNATURE + | ATTR_VOL_SIZE + | ATTR_VOL_SPACEFREE + | ATTR_VOL_SPACEAVAIL + | ATTR_VOL_MINALLOCATION + | ATTR_VOL_ALLOCATIONCLUMP + | ATTR_VOL_IOBLOCKSIZE + //| ATTR_VOL_OBJCOUNT + //| ATTR_VOL_FILECOUNT + //| ATTR_VOL_DIRCOUNT + //| ATTR_VOL_MAXOBJCOUNT + //| ATTR_VOL_MOUNTPOINT - ?? + | ATTR_VOL_NAME + | ATTR_VOL_MOUNTFLAGS + | ATTR_VOL_MOUNTEDDEVICE + //| ATTR_VOL_ENCODINGSUSED + | ATTR_VOL_CAPABILITIES + //| ATTR_VOL_UUID + | ATTR_VOL_ATTRIBUTES + //| ATTR_VOL_INFO + ; + pAt->validattr.dirattr = ATTR_DIR_LINKCOUNT + | ATTR_DIR_ENTRYCOUNT + | ATTR_DIR_MOUNTSTATUS; + pAt->nativeattr.dirattr = 0 //ATTR_DIR_LINKCOUNT + | ATTR_DIR_ENTRYCOUNT + | ATTR_DIR_MOUNTSTATUS + ; + pAt->validattr.fileattr = ATTR_FILE_LINKCOUNT + | ATTR_FILE_TOTALSIZE + | ATTR_FILE_ALLOCSIZE + | ATTR_FILE_IOBLOCKSIZE + | ATTR_FILE_DEVTYPE + | ATTR_FILE_FORKCOUNT + | ATTR_FILE_FORKLIST + | ATTR_FILE_DATALENGTH + | ATTR_FILE_DATAALLOCSIZE + | ATTR_FILE_RSRCLENGTH + | ATTR_FILE_RSRCALLOCSIZE; + pAt->nativeattr.fileattr = 0 + //|ATTR_FILE_LINKCOUNT + | ATTR_FILE_TOTALSIZE + | ATTR_FILE_ALLOCSIZE + //| ATTR_FILE_IOBLOCKSIZE + | ATTR_FILE_DEVTYPE + //| ATTR_FILE_FORKCOUNT + //| ATTR_FILE_FORKLIST + | ATTR_FILE_DATALENGTH + | ATTR_FILE_DATAALLOCSIZE + | ATTR_FILE_RSRCLENGTH + | ATTR_FILE_RSRCALLOCSIZE + ; + pAt->validattr.forkattr = ATTR_FORK_TOTALSIZE + | ATTR_FORK_ALLOCSIZE; + pAt->nativeattr.forkattr = 0 + //| ATTR_FORK_TOTALSIZE + //| ATTR_FORK_ALLOCSIZE + ; + VFSATTR_SET_SUPPORTED(pFsAttr, f_attributes); + } + + if (VFSATTR_IS_ACTIVE(pFsAttr, f_vol_name)) + { + RTStrCopy(pFsAttr->f_vol_name, MAXPATHLEN, pThis->MntInfo.szFolder); + VFSATTR_SET_SUPPORTED(pFsAttr, f_vol_name); + } + + rc = 0; + } + else + { + Log(("vboxSfOs2QueryFileInfo: VbglR0SfFsInfo failed: %Rrc\n", vrc)); + rc = RTErrConvertToErrno(vrc); + } + + VbglR0PhysHeapFree(pReq); + } + else + rc = ENOMEM; + return rc; +} + + +/** + * vfsops::vfs_root implementation. + * + * @returns 0 on success or errno.h value on failure. + * @param pMount The mount data structure. + * @param ppVnode Where to return the referenced root node on success. + * @param pContext Unused kAuth parameter. + */ +static int vboxSfDwnVfsRoot(mount_t pMount, vnode_t *ppVnode, vfs_context_t pContext) +{ + PVBOXSFMNTDATA pThis = (PVBOXSFMNTDATA)vfs_fsprivate(pMount); + AssertReturn(pThis, EBADMSG); + LogFlow(("vboxSfDwnVfsRoot: pThis=%p:{%s}\n", pThis, pThis->MntInfo.szFolder)); + RT_NOREF(pContext); + + /* + * We shouldn't be callable during unmount, should we? + */ + AssertReturn(vfs_isunmount(pMount), EBUSY); + + /* + * There should always be a root node around. + */ + if (pThis->pVnRoot) + { + int rc = vnode_get(pThis->pVnRoot); + if (rc == 0) + { + *ppVnode = pThis->pVnRoot; + LogFlow(("vboxSfDwnVfsRoot: return %p\n", *ppVnode)); + return 0; + } + Log(("vboxSfDwnVfsRoot: vnode_get failed! %d\n", rc)); + return rc; + } + + LogRel(("vboxSfDwnVfsRoot: pVnRoot is NULL!\n")); + return EILSEQ; +} + + +/** + * vfsops::vfs_umount implementation. + * + * @returns 0 on success or errno.h value on failure. + * @param pMount The mount data. + * @param fFlags Unmount flags. + * @param pContext kAuth context which we don't care much about. + * + */ +static int vboxSfDwnVfsUnmount(mount_t pMount, int fFlags, vfs_context_t pContext) +{ + PVBOXSFMNTDATA pThis = (PVBOXSFMNTDATA)vfs_fsprivate(pMount); + AssertReturn(pThis, 0); + LogFlowFunc(("pThis=%p:{%s} fFlags=%#x\n", pThis, pThis->MntInfo.szFolder, fFlags)); + RT_NOREF(pContext); + + /* + * Flush vnodes. + */ + int rc = vflush(pMount, pThis->pVnRoot, fFlags & MNT_FORCE ? FORCECLOSE : 0); + if (rc == 0) + { + /* + * Is the file system still busy? + * + * Until we find a way of killing any active host calls, we cannot properly + * respect the MNT_FORCE flag here. So, MNT_FORCE is ignored here. + */ + if ( !pThis->pVnRoot + || !vnode_isinuse(pThis->pVnRoot, 1)) + { + /* + * Release our root vnode reference and do another flush. + */ + if (pThis->pVnRoot) + { + vnode_put(pThis->pVnRoot); + pThis->pVnRoot = NULL; + } + vflush(pMount, NULLVP, FORCECLOSE); + + /* + * Unmap the shared folder and destroy our mount info structure. + */ + vfs_setfsprivate(pMount, NULL); + + rc = VbglR0SfUnmapFolder(&g_SfClientDarwin, &pThis->hHostFolder); + AssertRC(rc); + + RT_ZERO(*pThis); + RTMemFree(pThis); + + vfs_clearflags(pMount, MNT_LOCAL); /* ?? */ + rc = 0; + + g_cVBoxSfMounts--; + } + else + { + Log(("VBoxSF: umount failed: file system busy! (%s)\n", pThis->MntInfo.szFolder)); + rc = EBUSY; + } + } + return rc; +} + + +/** + * vfsops::vfs_start implementation. + */ +static int vboxSfDwnVfsStart(mount_t pMount, int fFlags, vfs_context_t pContext) +{ + RT_NOREF(pMount, fFlags, pContext); + return 0; +} + + +/** + * vfsops::vfs_mount implementation. + * + * @returns 0 on success or errno.h value on failure. + * @param pMount The mount data structure. + * @param pDevVp The device to mount. Not used by us. + * @param pUserData User space address of parameters supplied to mount(). + * We expect a VBOXSFDRWNMOUNTINFO structure. + * @param pContext kAuth context needed in order to authentificate mount + * operation. + */ +static int vboxSfDwnVfsMount(mount_t pMount, vnode_t pDevVp, user_addr_t pUserData, vfs_context_t pContext) +{ + RT_NOREF(pDevVp, pContext); + + /* + * We don't support mount updating. + */ + if (vfs_isupdate(pMount)) + { + LogRel(("VBoxSF: mount: MNT_UPDATE is not supported.\n")); + return ENOTSUP; + } + if (pUserData == USER_ADDR_NULL) + { + LogRel(("VBoxSF: mount: pUserData is NULL.\n")); + return EINVAL; + } + struct vfsstatfs *pFsStats = vfs_statfs(pMount); + AssertReturn(pFsStats, EINVAL); + + /* + * Get the mount information from userland. + */ + PVBOXSFMNTDATA pThis = (PVBOXSFMNTDATA)RTMemAllocZ(sizeof(*pThis)); + if (!pThis) + return ENOMEM; + pThis->uidMounter = pFsStats->f_owner; + + int rc = RTR0MemUserCopyFrom(&pThis->MntInfo, (RTR3PTR)pUserData, sizeof(pThis->MntInfo)); + if (RT_FAILURE(rc)) + { + LogRel(("VBoxSF: mount: Failed to copy in mount user data: %Rrc\n", rc)); + rc = EFAULT; + } + else if (pThis->MntInfo.u32Magic != VBOXSFDRWNMOUNTINFO_MAGIC) + { + LogRel(("VBoxSF: mount: Invalid user data magic (%#x)\n", pThis->MntInfo.u32Magic)); + rc = EINVAL; + } + else if ( (rc = RTStrValidateEncodingEx(pThis->MntInfo.szFolder, sizeof(pThis->MntInfo.szFolder), + RTSTR_VALIDATE_ENCODING_ZERO_TERMINATED)) != VINF_SUCCESS + || pThis->MntInfo.szFolder[0] == '\0') + { + LogRel(("VBoxSF: mount: Invalid or empty share name!\n")); + rc = EINVAL; + } + else + { + /* + * Try map the shared folder. + */ + if (vboxSfDwnConnect()) + { + PSHFLSTRING pName = ShflStringDupUtf8(pThis->MntInfo.szFolder); + if (pName) + { + rc = VbglR0SfMapFolder(&g_SfClientDarwin, pName, &pThis->hHostFolder); + RTMemFree(pName); + if (RT_SUCCESS(rc)) + { + + /* + * Create a root node, that avoid races later. + */ + pThis->pVnRoot = vboxSfDwnVnAlloc(pMount, VDIR, NULL /*pParent*/, 0); + if (pThis->pVnRoot) + { + /* + * Fill file system stats with dummy data. + */ + pFsStats->f_bsize = 512; + pFsStats->f_iosize = _64K; + pFsStats->f_blocks = _1M; + pFsStats->f_bavail = _1M / 4 * 3; + pFsStats->f_bused = _1M / 4; + pFsStats->f_files = 1024; + pFsStats->f_ffree = _64K; + vfs_getnewfsid(pMount); /* f_fsid */ + /* pFsStats->f_fowner - don't touch */ + /* pFsStats->f_fstypename - don't touch */ + /* pFsStats->f_mntonname - don't touch */ + RTStrCopy(pFsStats->f_mntfromname, sizeof(pFsStats->f_mntfromname), pThis->MntInfo.szFolder); + /* pFsStats->f_fssubtype - don't touch? */ + /* pFsStats->f_reserved[0] - don't touch? */ + /* pFsStats->f_reserved[1] - don't touch? */ + + /* + * We're good. Set private data and flags. + */ + vfs_setfsprivate(pMount, pThis); + vfs_setflags(pMount, MNT_SYNCHRONOUS | MNT_NOSUID | MNT_NODEV); + /** @todo Consider flags like MNT_NOEXEC ? */ + + /// @todo vfs_setauthopaque(pMount)? + /// @todo vfs_clearauthopaqueaccess(pMount)? + /// @todo vfs_clearextendedsecurity(pMount)? + + LogRel(("VBoxSF: mount: Successfully mounted '%s' (uidMounter=%u).\n", + pThis->MntInfo.szFolder, pThis->uidMounter)); + return 0; + } + + LogRel(("VBoxSF: mount: Failed to allocate root node!\n")); + rc = ENOMEM; + } + else + { + LogRel(("VBoxSF: mount: VbglR0SfMapFolder failed on '%s': %Rrc\n", pThis->MntInfo.szFolder, rc)); + rc = ENOENT; + } + } + else + rc = ENOMEM; + } + else + { + LogRel(("VBoxSF: mount: Not connected to shared folders service!\n")); + rc = ENOTCONN; + } + } + RTMemFree(pThis); + return rc; +} + + +/** + * VFS operations + */ +struct vfsops g_VBoxSfVfsOps = +{ + vboxSfDwnVfsMount, + vboxSfDwnVfsStart, + vboxSfDwnVfsUnmount, + vboxSfDwnVfsRoot, + NULL, /* Skipped: vfs_quotactl */ + vboxSfDwnVfsGetAttr, + NULL, /* Skipped: vfs_sync */ + NULL, /* Skipped: vfs_vget */ + NULL, /* Skipped: vfs_fhtovp */ + NULL, /* Skipped: vfs_vptofh */ + NULL, /* Skipped: vfs_init */ + NULL, /* Skipped: vfs_sysctl */ + NULL, /* Skipped: vfs_setattr */ + /* Reserved */ + { NULL, NULL, NULL, NULL, NULL, NULL, NULL, }, +}; |