VBoxServiceAutoMount.cpp revision 7cca5a9aeb06913531b982bf772508d09b4c2f0b
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/* $Id$ */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/** @file
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync * VBoxService - Auto-mounting for Shared Folders.
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/*
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync * Copyright (C) 2010 Oracle Corporation
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync *
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync * available from http://www.virtualbox.org. This file is free software;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync * you can redistribute it and/or modify it under the terms of the GNU
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync * General Public License (GPL) as published by the Free Software
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/*******************************************************************************
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync* Header Files *
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync*******************************************************************************/
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#include <iprt/assert.h>
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#include <iprt/dir.h>
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#include <iprt/mem.h>
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync#include <iprt/path.h>
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#include <iprt/string.h>
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#include <iprt/semaphore.h>
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#include <VBox/VBoxGuestLib.h>
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#include "VBoxServiceInternal.h"
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#include "VBoxServiceUtils.h"
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#include <errno.h>
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync#include <grp.h>
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#include <sys/mount.h>
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#ifdef RT_OS_SOLARIS
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#include <sys/vfs.h>
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#endif
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#include <unistd.h>
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
9b0ba1d4360299b4e6ee23c946feb5a4f16c6d00vboxsyncRT_C_DECLS_BEGIN
9b0ba1d4360299b4e6ee23c946feb5a4f16c6d00vboxsync#include "../../linux/sharedfolders/vbsfmount.h"
9b0ba1d4360299b4e6ee23c946feb5a4f16c6d00vboxsyncRT_C_DECLS_END
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
7cca5a9aeb06913531b982bf772508d09b4c2f0bvboxsync#ifdef RT_OS_SOLARIS
7cca5a9aeb06913531b982bf772508d09b4c2f0bvboxsync# define AUTO_MOUNT_POINT "/mnt/%s%s"
7cca5a9aeb06913531b982bf772508d09b4c2f0bvboxsync#else
7cca5a9aeb06913531b982bf772508d09b4c2f0bvboxsync# define AUTO_MOUNT_POINT "/media/%s%s"
7cca5a9aeb06913531b982bf772508d09b4c2f0bvboxsync#endif
7cca5a9aeb06913531b982bf772508d09b4c2f0bvboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/*******************************************************************************
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync* Global Variables *
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync*******************************************************************************/
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/** The semaphore we're blocking on. */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsyncstatic RTSEMEVENTMULTI g_AutoMountEvent = NIL_RTSEMEVENTMULTI;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/** @copydoc VBOXSERVICE::pfnPreInit */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsyncstatic DECLCALLBACK(int) VBoxServiceAutoMountPreInit(void)
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync{
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync return VINF_SUCCESS;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync}
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/** @copydoc VBOXSERVICE::pfnOption */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsyncstatic DECLCALLBACK(int) VBoxServiceAutoMountOption(const char **ppszShort, int argc, char **argv, int *pi)
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync{
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync NOREF(ppszShort);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync NOREF(argc);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync NOREF(argv);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync NOREF(pi);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync return VINF_SUCCESS;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync}
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/** @copydoc VBOXSERVICE::pfnInit */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsyncstatic DECLCALLBACK(int) VBoxServiceAutoMountInit(void)
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync{
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VBoxServiceVerbose(3, "VBoxServiceAutoMountInit\n");
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync int rc = RTSemEventMultiCreate(&g_AutoMountEvent);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync AssertRCReturn(rc, rc);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync return rc;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync}
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsyncstatic int VBoxServiceAutoMountPrepareMountPoint(const char *pszMountPoint, vbsf_mount_opts *pOpts)
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync{
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync AssertPtr(pOpts);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync RTFMODE fMode = 0770; /* Owner (=root) and the group (=vboxsf) have full access. */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync int rc = RTDirCreateFullPath(pszMountPoint, fMode);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync if (RT_SUCCESS(rc))
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync {
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync rc = RTPathSetOwnerEx(pszMountPoint, -1 /* Owner, unchanged */, pOpts->gid, RTPATH_F_ON_LINK);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync if (RT_SUCCESS(rc))
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync {
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync rc = RTPathSetMode(pszMountPoint, fMode);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceVerbose(3, "RTPathSetMode = rc = %Rrc\n");
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync if (RT_FAILURE(rc))
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceError("VBoxServiceAutoMountPrepareMountPoint: Could not set mode for mount directory \"%s\", rc = %Rrc\n",
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync pszMountPoint, rc);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync }
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync else
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceError("VBoxServiceAutoMountPrepareMountPoint: Could not set permissions for mount directory \"%s\", rc = %Rrc\n",
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync pszMountPoint, rc);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync }
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync else
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceError("VBoxServiceAutoMountPrepareMountPoint: Could not create mount directory \"%s\", rc = %Rrc\n",
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync pszMountPoint, rc);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync return rc;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync}
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsyncstatic int VBoxServiceAutoMountSharedFolder(const char *pszShareName, const char *pszMountPoint,
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync vbsf_mount_opts *pOpts)
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync{
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync AssertPtr(pOpts);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync int rc = VBoxServiceAutoMountPrepareMountPoint(pszMountPoint, pOpts);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync if (RT_SUCCESS(rc))
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync {
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync#ifdef RT_OS_SOLARIS
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync int flags = 0; /* No flags used yet. */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync int r = mount(pszShareName,
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync pszMountPoint,
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync flags,
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync "vboxsf",
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync NULL, /* char *dataptr */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync 0, /* int datalen */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync NULL, /* char *optptr */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync 0); /* int optlen */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync if (r == 0)
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync {
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceVerbose(0, "VBoxServiceAutoMountWorker: Shared folder \"%s\" was mounted to \"%s\"\n", pszShareName, pszMountPoint);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync }
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync else
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync {
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync if (errno != EBUSY) /* Share is already mounted? Then skip error msg. */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceError("VBoxServiceAutoMountWorker: Could not mount shared folder \"%s\" to \"%s\", error = %s\n",
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync pszShareName, pszMountPoint, strerror(errno));
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync }
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#else /* !RT_OS_SOLARIS */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync unsigned long flags = MS_NODEV;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync const char *szOptions = { "rw" };
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync struct vbsf_mount_info_new mntinf;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf.nullchar = '\0';
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf.signature[0] = VBSF_MOUNT_SIGNATURE_BYTE_0;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf.signature[1] = VBSF_MOUNT_SIGNATURE_BYTE_1;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf.signature[2] = VBSF_MOUNT_SIGNATURE_BYTE_2;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf.length = sizeof(mntinf);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf.uid = pOpts->uid;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf.gid = pOpts->gid;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf.ttl = pOpts->ttl;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf.dmode = pOpts->dmode;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf.fmode = pOpts->fmode;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf.dmask = pOpts->dmask;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf.fmask = pOpts->fmask;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync strcpy(mntinf.name, pszShareName);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync strcpy(mntinf.nls_name, "\0");
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync int r = mount(NULL,
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync pszMountPoint,
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync "vboxsf",
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync flags,
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync &mntinf);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync if (r == 0)
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync {
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceVerbose(0, "VBoxServiceAutoMountWorker: Shared folder \"%s\" was mounted to \"%s\"\n", pszShareName, pszMountPoint);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync r = vbsfmount_complete(pszShareName, pszMountPoint, flags, pOpts);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync switch (r)
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync {
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync case 0: /* Success. */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync errno = 0; /* Clear all errors/warnings. */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync break;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync case 1:
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceError("VBoxServiceAutoMountWorker: Could not update mount table (failed to create memstream): %s\n", strerror(errno));
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync break;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync case 2:
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceError("VBoxServiceAutoMountWorker: Could not open mount table for update: %s\n", strerror(errno));
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync break;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync case 3:
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceError("VBoxServiceAutoMountWorker: Could not add an entry to the mount table: %s\n", strerror(errno));
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync break;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync default:
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceError("VBoxServiceAutoMountWorker: Unknown error while completing mount operation: %d\n", r);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync break;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync }
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync }
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync else /* r != 0 */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync {
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync if (errno == EPROTO)
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync {
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync /* Sometimes the mount utility messes up the share name. Try to
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync * un-mangle it again. */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync char szCWD[4096];
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync size_t cchCWD;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync if (!getcwd(szCWD, sizeof(szCWD)))
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceError("VBoxServiceAutoMountWorker: Failed to get the current working directory\n");
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync cchCWD = strlen(szCWD);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync if (!strncmp(pszMountPoint, szCWD, cchCWD))
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync {
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync while (pszMountPoint[cchCWD] == '/')
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync ++cchCWD;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync /* We checked before that we have enough space */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync strcpy(mntinf.name, pszMountPoint + cchCWD);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync }
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync r = mount(NULL, pszMountPoint, "vboxsf", flags, &mntinf);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync }
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync if (errno == EPROTO)
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync {
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync /* New mount tool with old vboxsf module? Try again using the old
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync * vbsf_mount_info_old structure. */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync struct vbsf_mount_info_old mntinf_old;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync memcpy(&mntinf_old.name, &mntinf.name, MAX_HOST_NAME);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync memcpy(&mntinf_old.nls_name, mntinf.nls_name, MAX_NLS_NAME);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf_old.uid = mntinf.uid;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf_old.gid = mntinf.gid;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync mntinf_old.ttl = mntinf.ttl;
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync r = mount(NULL, pszMountPoint, "vboxsf", flags, &mntinf_old);
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync }
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync if (errno != EBUSY) /* Share is already mounted? Then skip error msg. */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceError("VBoxServiceAutoMountWorker: Could not mount shared folder \"%s\" to \"%s\", error = %s\n",
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync pszShareName, pszMountPoint, strerror(errno));
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync }
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync#endif /* !RT_OS_SOLARIS */
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync }
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync VBoxServiceVerbose(3, "VBoxServiceAutoMountWorker: Mounting returned with rc=%Rrc, errno=%d, error=%s\n",
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync rc, errno, strerror(errno));
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync return RTErrConvertFromErrno(errno);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync}
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/** @copydoc VBOXSERVICE::pfnWorker */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsyncDECLCALLBACK(int) VBoxServiceAutoMountWorker(bool volatile *pfShutdown)
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync{
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync /*
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync * Tell the control thread that it can continue
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync * spawning services.
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync RTThreadUserSignal(RTThreadSelf());
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync uint32_t u32ClientId;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync int rc = VbglR3SharedFolderConnect(&u32ClientId);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync if (!RT_SUCCESS(rc))
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VBoxServiceVerbose(3, "VBoxServiceAutoMountWorker: Failed to connect to the shared folder service, error %Rrc\n", rc);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync else
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync {
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync uint32_t cMappings;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VBGLR3SHAREDFOLDERMAPPING *paMappings;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync rc = VbglR3SharedFolderGetMappings(u32ClientId, true /* Only process auto-mounted folders */,
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync &paMappings, &cMappings);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync if (RT_SUCCESS(rc))
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync {
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync char *pszSharePrefix;
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync rc = VbglR3SharedFolderGetMountPrefix(&pszSharePrefix);
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync if (RT_SUCCESS(rc))
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync {
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync VBoxServiceVerbose(3, "VBoxServiceAutoMountWorker: Shared folder mount prefix set to \"%s\"\n", pszSharePrefix);
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync#if 0
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync /* Check for a fixed/virtual auto-mount share. */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync if (VbglR3SharedFolderExists(u32ClientId, "vbsfAutoMount"))
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync {
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync VBoxServiceVerbose(3, "VBoxServiceAutoMountWorker: Host supports auto-mount root\n");
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync }
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync else
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync {
7cc5e93b9f64360aceb38f7ff4c756a5d8475009vboxsync#endif
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync VBoxServiceVerbose(3, "VBoxServiceAutoMountWorker: Got %u shared folder mappings\n", cMappings);
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync for (uint32_t i = 0; i < cMappings && RT_SUCCESS(rc); i++)
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync {
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync char *pszShareName = NULL;
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync rc = VbglR3SharedFolderGetName(u32ClientId, paMappings[i].u32Root, &pszShareName);
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync if ( RT_SUCCESS(rc)
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync && *pszShareName)
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync {
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync VBoxServiceVerbose(3, "VBoxServiceAutoMountWorker: Connecting share %u (%s) ...\n", i+1, pszShareName);
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync char *pszMountPoint = NULL;
7cca5a9aeb06913531b982bf772508d09b4c2f0bvboxsync if ( RTStrAPrintf(&pszMountPoint, AUTO_MOUNT_POINT, pszSharePrefix, pszShareName) > 0
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync && pszMountPoint)
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync {
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync struct group *grp_vboxsf = getgrnam("vboxsf");
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync if (grp_vboxsf)
f46e7db81f80ea09725c6cc048fa0cad86573dc2vboxsync {
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync struct vbsf_mount_opts mount_opts =
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync {
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync 0, /* uid */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync grp_vboxsf->gr_gid, /* gid */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync 0, /* ttl */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync 0770, /* dmode, owner and group "vboxsf" have full access */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync 0770, /* fmode, owner and group "vboxsf" have full access */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync 0, /* dmask */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync 0, /* fmask */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync 0, /* ronly */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync 0, /* noexec */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync 0, /* nodev */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync 0, /* nosuid */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync 0, /* remount */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync "\0", /* nls_name */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync NULL, /* convertcp */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync };
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync /* We always use "/media" as our root mounting directory. */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync /** @todo Detect the correct "media/mnt" directory, based on the current guest (?). */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync rc = VBoxServiceAutoMountSharedFolder(pszShareName, pszMountPoint, &mount_opts);
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync }
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync else
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync VBoxServiceError("VBoxServiceAutoMountWorker: Group \"vboxsf\" does not exist\n");
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync RTStrFree(pszMountPoint);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync }
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync else
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync rc = VERR_NO_MEMORY;
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync RTStrFree(pszShareName);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync }
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync else
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync VBoxServiceError("VBoxServiceAutoMountWorker: Error while getting the shared folder name for root node = %u, rc = %Rrc\n",
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync paMappings[i].u32Root, rc);
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync } /* for cMappings. */
7cca5a9aeb06913531b982bf772508d09b4c2f0bvboxsync#if 0
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync }
7cca5a9aeb06913531b982bf772508d09b4c2f0bvboxsync#endif
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync RTStrFree(pszSharePrefix);
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync } /* Mount prefix. */
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync else
7753dc7a3bcd14c9ec9d969cbc1a0155b0673c06vboxsync VBoxServiceError("VBoxServiceAutoMountWorker: Error while getting the shared folder mount prefix, rc = %Rrc\n", rc);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync RTMemFree(paMappings);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync }
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync else
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VBoxServiceError("VBoxServiceAutoMountWorker: Error while getting the shared folder mappings, rc = %Rrc\n", rc);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VbglR3SharedFolderDisconnect(u32ClientId);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync }
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync RTSemEventMultiDestroy(g_AutoMountEvent);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync g_AutoMountEvent = NIL_RTSEMEVENTMULTI;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VBoxServiceVerbose(3, "VBoxServiceAutoMountWorker: Finished\n");
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync return 0;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync}
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/** @copydoc VBOXSERVICE::pfnTerm */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsyncstatic DECLCALLBACK(void) VBoxServiceAutoMountTerm(void)
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync{
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VBoxServiceVerbose(3, "VBoxServiceAutoMountTerm\n");
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync return;
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync}
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/** @copydoc VBOXSERVICE::pfnStop */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsyncstatic DECLCALLBACK(void) VBoxServiceAutoMountStop(void)
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync{
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync RTSemEventMultiSignal(g_AutoMountEvent);
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync}
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync/**
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync * The 'automount' service description.
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsyncVBOXSERVICE g_AutoMount =
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync{
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync /* pszName. */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync "automount",
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync /* pszDescription. */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync "Auto-mount for Shared Folders",
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync /* pszUsage. */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync NULL,
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync /* pszOptions. */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync NULL,
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync /* methods */
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VBoxServiceAutoMountPreInit,
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VBoxServiceAutoMountOption,
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VBoxServiceAutoMountInit,
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VBoxServiceAutoMountWorker,
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VBoxServiceAutoMountStop,
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync VBoxServiceAutoMountTerm
b6517c5cc3b7a38889416706905a3cf2fd010785vboxsync};