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Diffstat (limited to 'src/VBox/Additions/solaris/SharedFolders/vboxfs_prov.c')
-rw-r--r--src/VBox/Additions/solaris/SharedFolders/vboxfs_prov.c1060
1 files changed, 1060 insertions, 0 deletions
diff --git a/src/VBox/Additions/solaris/SharedFolders/vboxfs_prov.c b/src/VBox/Additions/solaris/SharedFolders/vboxfs_prov.c
new file mode 100644
index 00000000..e81dfb9f
--- /dev/null
+++ b/src/VBox/Additions/solaris/SharedFolders/vboxfs_prov.c
@@ -0,0 +1,1060 @@
+/* $Id: vboxfs_prov.c $ */
+/** @file
+ * VirtualBox File System for Solaris Guests, provider implementation.
+ * Portions contributed by: Ronald.
+ */
+
+/*
+ * Copyright (C) 2008-2019 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.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+/*
+ * Provider interfaces for shared folder file system.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mntent.h>
+#include <sys/param.h>
+#include <sys/modctl.h>
+#include <sys/mount.h>
+#include <sys/policy.h>
+#include <sys/atomic.h>
+#include <sys/sysmacros.h>
+#include <sys/ddi.h>
+#include <sys/sunddi.h>
+#include <sys/dirent.h>
+#include <sys/file.h>
+#undef u /* /usr/include/sys/user.h:249:1 is where this is defined to (curproc->p_user). very cool. */
+
+#include "vboxfs_prov.h"
+#include <iprt/err.h>
+
+#define SFPROV_VERSION 1
+
+static VBGLSFCLIENT vbox_client;
+
+static int sfprov_vbox2errno(int rc)
+{
+ if (rc == VERR_ACCESS_DENIED)
+ return (EACCES);
+ if (rc == VERR_INVALID_NAME)
+ return (ENOENT);
+ return (RTErrConvertToErrno(rc));
+}
+
+/*
+ * utility to create strings
+ */
+static SHFLSTRING *
+sfprov_string(char *path, int *sz)
+{
+ SHFLSTRING *str;
+ int len = strlen(path);
+
+ *sz = len + 1 + sizeof (*str) - sizeof (str->String);
+ str = kmem_zalloc(*sz, KM_SLEEP);
+ str->u16Size = len + 1;
+ str->u16Length = len;
+ strcpy(str->String.utf8, path);
+ return (str);
+}
+
+sfp_connection_t *
+sfprov_connect(int version)
+{
+ /*
+ * only one version for now, so must match
+ */
+ int rc = -1;
+ if (version != SFPROV_VERSION)
+ {
+ cmn_err(CE_WARN, "sfprov_connect: wrong version. version=%d expected=%d\n", version, SFPROV_VERSION);
+ return NULL;
+ }
+ rc = VbglR0SfInit();
+ if (RT_SUCCESS(rc))
+ {
+ rc = VbglR0SfConnect(&vbox_client);
+ if (RT_SUCCESS(rc))
+ {
+ rc = VbglR0SfSetUtf8(&vbox_client);
+ if (RT_SUCCESS(rc))
+ {
+ return ((sfp_connection_t *)&vbox_client);
+ }
+ else
+ cmn_err(CE_WARN, "sfprov_connect: VbglR0SfSetUtf8() failed\n");
+
+ VbglR0SfDisconnect(&vbox_client);
+ }
+ else
+ cmn_err(CE_WARN, "sfprov_connect: VbglR0SfConnect() failed rc=%d\n", rc);
+ VbglR0SfTerm();
+ }
+ else
+ cmn_err(CE_WARN, "sfprov_connect: VbglR0SfInit() failed rc=%d\n", rc);
+ return (NULL);
+}
+
+void
+sfprov_disconnect(sfp_connection_t *conn)
+{
+ if (conn != (sfp_connection_t *)&vbox_client)
+ cmn_err(CE_WARN, "sfprov_disconnect: bad argument\n");
+ VbglR0SfDisconnect(&vbox_client);
+ VbglR0SfTerm();
+}
+
+
+int
+sfprov_mount(sfp_connection_t *conn, char *path, sfp_mount_t **mnt)
+{
+ sfp_mount_t *m;
+ SHFLSTRING *str;
+ int size;
+ int rc;
+
+ m = kmem_zalloc(sizeof (*m), KM_SLEEP);
+ str = sfprov_string(path, &size);
+ rc = VbglR0SfMapFolder(&vbox_client, str, &m->map);
+ if (RT_FAILURE(rc)) {
+ cmn_err(CE_WARN, "sfprov_mount: VbglR0SfMapFolder() failed. path=%s rc=%d\n", path, rc);
+ kmem_free(m, sizeof (*m));
+ *mnt = NULL;
+ rc = EINVAL;
+ } else {
+ *mnt = m;
+ rc = 0;
+ }
+ kmem_free(str, size);
+ return (rc);
+}
+
+int
+sfprov_unmount(sfp_mount_t *mnt)
+{
+ int rc;
+
+ rc = VbglR0SfUnmapFolder(&vbox_client, &mnt->map);
+ if (RT_FAILURE(rc)) {
+ cmn_err(CE_WARN, "sfprov_mount: VbglR0SfUnmapFolder() failed rc=%d\n", rc);
+ rc = EINVAL;
+ } else {
+ rc = 0;
+ }
+ kmem_free(mnt, sizeof (*mnt));
+ return (rc);
+}
+
+/*
+ * query information about a mounted file system
+ */
+int
+sfprov_get_fsinfo(sfp_mount_t *mnt, sffs_fsinfo_t *fsinfo)
+{
+ int rc;
+ SHFLVOLINFO info;
+ uint32_t bytes = sizeof(SHFLVOLINFO);
+
+ rc = VbglR0SfFsInfo(&vbox_client, &mnt->map, 0, SHFL_INFO_GET | SHFL_INFO_VOLUME,
+ &bytes, (SHFLDIRINFO *)&info);
+ if (RT_FAILURE(rc))
+ return (EINVAL);
+
+ fsinfo->blksize = info.ulBytesPerAllocationUnit;
+ fsinfo->blksused = (info.ullTotalAllocationBytes - info.ullAvailableAllocationBytes) / info.ulBytesPerAllocationUnit;
+ fsinfo->blksavail = info.ullAvailableAllocationBytes / info.ulBytesPerAllocationUnit;
+ fsinfo->maxnamesize = info.fsProperties.cbMaxComponent;
+ fsinfo->readonly = info.fsProperties.fReadOnly;
+ return (0);
+}
+
+/*
+ * file/directory information conversions.
+ */
+static void
+sfprov_fmode_from_mode(RTFMODE *fMode, mode_t mode)
+{
+ RTFMODE m = 0;
+
+#define mode_set(r) ((mode) & (S_##r)) ? RTFS_UNIX_##r : 0
+ m = mode_set (ISUID);
+ m |= mode_set (ISGID);
+ m |= (mode & S_ISVTX) ? RTFS_UNIX_ISTXT : 0;
+
+ m |= mode_set (IRUSR);
+ m |= mode_set (IWUSR);
+ m |= mode_set (IXUSR);
+
+ m |= mode_set (IRGRP);
+ m |= mode_set (IWGRP);
+ m |= mode_set (IXGRP);
+
+ m |= mode_set (IROTH);
+ m |= mode_set (IWOTH);
+ m |= mode_set (IXOTH);
+#undef mode_set
+
+ if (S_ISDIR(mode))
+ m |= RTFS_TYPE_DIRECTORY;
+ else if (S_ISREG(mode))
+ m |= RTFS_TYPE_FILE;
+ else if (S_ISFIFO(mode))
+ m |= RTFS_TYPE_FIFO;
+ else if (S_ISCHR(mode))
+ m |= RTFS_TYPE_DEV_CHAR;
+ else if (S_ISBLK(mode))
+ m |= RTFS_TYPE_DEV_BLOCK;
+ else if (S_ISLNK(mode))
+ m |= RTFS_TYPE_SYMLINK;
+ else if (S_ISSOCK(mode))
+ m |= RTFS_TYPE_SOCKET;
+ else
+ m |= RTFS_TYPE_FILE;
+
+ *fMode = m;
+}
+
+static void
+sfprov_mode_from_fmode(sfp_mount_t *mnt, mode_t *mode, RTFMODE fMode)
+{
+ mode_t m = 0;
+
+#define mode_set_from_rt(r) ((fMode) & (RTFS_UNIX_##r)) ? (S_##r) : 0;
+ m = mode_set_from_rt(ISUID);
+ m |= mode_set_from_rt(ISGID);
+ m |= (fMode & RTFS_UNIX_ISTXT) ? S_ISVTX : 0;
+
+ m |= mode_set_from_rt(IRUSR);
+ m |= mode_set_from_rt(IWUSR);
+ m |= mode_set_from_rt(IXUSR);
+
+ m |= mode_set_from_rt(IRGRP);
+ m |= mode_set_from_rt(IWGRP);
+ m |= mode_set_from_rt(IXGRP);
+
+ m |= mode_set_from_rt(IROTH);
+ m |= mode_set_from_rt(IWOTH);
+ m |= mode_set_from_rt(IXOTH);
+#undef mode_set_from_rt
+
+ if (RTFS_IS_DIRECTORY(fMode))
+ {
+ m = mnt->sf_dmode != ~0U ? (mnt->sf_dmode & PERMMASK) : m;
+ m &= ~mnt->sf_dmask;
+ m |= S_IFDIR;
+ }
+ else
+ {
+ m = mnt->sf_fmode != ~0U ? (mnt->sf_fmode & PERMMASK) : m;
+ m &= ~mnt->sf_fmask;
+
+ if (RTFS_IS_FILE(fMode))
+ m |= S_IFREG;
+ else if (RTFS_IS_SYMLINK(fMode))
+ m |= S_IFLNK;
+ else if (RTFS_IS_FIFO(fMode))
+ m |= S_IFIFO;
+ else if (RTFS_IS_DEV_CHAR(fMode))
+ m |= S_IFCHR;
+ else if (RTFS_IS_DEV_BLOCK(fMode))
+ m |= S_IFBLK;
+ else if (RTFS_IS_SOCKET(fMode))
+ m |= S_IFSOCK;
+ }
+
+ *mode = m;
+}
+
+static void
+sfprov_ftime_from_timespec(timestruc_t *time, RTTIMESPEC *ts)
+{
+ uint64_t nanosec = RTTimeSpecGetNano(ts);
+ time->tv_sec = nanosec / UINT64_C(1000000000);
+ time->tv_nsec = nanosec % UINT64_C(1000000000);
+}
+
+static void
+sfprov_stat_from_info(sfp_mount_t *mnt, sffs_stat_t *stat, SHFLFSOBJINFO *info)
+{
+ sfprov_mode_from_fmode(mnt, &stat->sf_mode, info->Attr.fMode);
+ stat->sf_size = info->cbObject;
+ stat->sf_alloc = info->cbAllocated;
+ sfprov_ftime_from_timespec(&stat->sf_atime, &info->AccessTime);
+ sfprov_ftime_from_timespec(&stat->sf_mtime, &info->ModificationTime);
+ sfprov_ftime_from_timespec(&stat->sf_ctime, &info->ChangeTime);
+}
+
+/*
+ * File operations: open/close/read/write/etc.
+ *
+ * open/create can return any relevant errno, however ENOENT
+ * generally means that the host file didn't exist.
+ */
+struct sfp_file {
+ SHFLHANDLE handle;
+ VBGLSFMAP map; /**< need this again for the close operation */
+};
+
+int
+sfprov_create(
+ sfp_mount_t *mnt,
+ char *path,
+ mode_t mode,
+ sfp_file_t **fp,
+ sffs_stat_t *stat)
+{
+
+ int rc;
+ SHFLCREATEPARMS parms;
+ SHFLSTRING *str;
+ int size;
+ sfp_file_t *newfp;
+
+ str = sfprov_string(path, &size);
+ parms.Handle = SHFL_HANDLE_NIL;
+ parms.Info.cbObject = 0;
+ sfprov_fmode_from_mode(&parms.Info.Attr.fMode, mode);
+ parms.CreateFlags = SHFL_CF_ACT_CREATE_IF_NEW |
+ SHFL_CF_ACT_REPLACE_IF_EXISTS | SHFL_CF_ACCESS_READWRITE;
+ rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
+ kmem_free(str, size);
+
+ if (RT_FAILURE(rc))
+ {
+ if (rc != VERR_ACCESS_DENIED && rc != VERR_WRITE_PROTECT)
+ cmn_err(CE_WARN, "sfprov_create: VbglR0SfCreate failed! path=%s rc=%d\n", path, rc);
+ return (sfprov_vbox2errno(rc));
+ }
+ if (parms.Handle == SHFL_HANDLE_NIL) {
+ if (parms.Result == SHFL_FILE_EXISTS)
+ return (EEXIST);
+ return (ENOENT);
+ }
+ newfp = kmem_alloc(sizeof(sfp_file_t), KM_SLEEP);
+ newfp->handle = parms.Handle;
+ newfp->map = mnt->map;
+ *fp = newfp;
+ sfprov_stat_from_info(mnt, stat, &parms.Info);
+ return (0);
+}
+
+int
+sfprov_diropen(sfp_mount_t *mnt, char *path, sfp_file_t **fp)
+{
+ int rc;
+ SHFLCREATEPARMS parms;
+ SHFLSTRING *str;
+ int size;
+ sfp_file_t *newfp;
+
+ bzero(&parms, sizeof(parms));
+ str = sfprov_string(path, &size);
+ parms.Handle = SHFL_HANDLE_NIL;
+ parms.Info.cbObject = 0;
+ parms.CreateFlags = SHFL_CF_DIRECTORY
+ | SHFL_CF_ACCESS_READ
+ | SHFL_CF_ACT_OPEN_IF_EXISTS
+ | SHFL_CF_ACT_FAIL_IF_NEW;
+
+ /*
+ * Open the host directory.
+ */
+ rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
+
+ /*
+ * Our VBoxFS interface here isn't very clear regarding failure and informational status.
+ * Check the file-handle as well as the return code to make sure the operation succeeded.
+ */
+ if (RT_FAILURE(rc)) {
+ kmem_free(str, size);
+ return (sfprov_vbox2errno(rc));
+ }
+
+ if (parms.Handle == SHFL_HANDLE_NIL) {
+ kmem_free(str, size);
+ return (ENOENT);
+ }
+
+ newfp = kmem_alloc(sizeof(sfp_file_t), KM_SLEEP);
+ newfp->handle = parms.Handle;
+ newfp->map = mnt->map;
+ *fp = newfp;
+ return (0);
+}
+
+int
+sfprov_open(sfp_mount_t *mnt, char *path, sfp_file_t **fp, int flag)
+{
+ int rc;
+ SHFLCREATEPARMS parms;
+ SHFLSTRING *str;
+ int size;
+ sfp_file_t *newfp;
+
+ bzero(&parms, sizeof(parms));
+ str = sfprov_string(path, &size);
+ parms.Handle = SHFL_HANDLE_NIL;
+ parms.Info.cbObject = 0;
+
+ /*
+ * Translate file modes.
+ */
+ if (flag & FCREAT) {
+ parms.CreateFlags |= SHFL_CF_ACT_CREATE_IF_NEW;
+ if (!(flag & FTRUNC))
+ parms.CreateFlags |= SHFL_CF_ACT_OPEN_IF_EXISTS;
+ }
+ else
+ parms.CreateFlags |= SHFL_CF_ACT_FAIL_IF_NEW;
+
+ if (flag & FTRUNC)
+ parms.CreateFlags |= SHFL_CF_ACT_OVERWRITE_IF_EXISTS | SHFL_CF_ACCESS_WRITE;
+ if (flag & FWRITE)
+ parms.CreateFlags |= SHFL_CF_ACCESS_WRITE;
+ if (flag & FREAD)
+ parms.CreateFlags |= SHFL_CF_ACCESS_READ;
+ if (flag & FAPPEND)
+ parms.CreateFlags |= SHFL_CF_ACCESS_APPEND;
+
+ /*
+ * Open/create the host file.
+ */
+ rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
+
+ /*
+ * Our VBoxFS interface here isn't very clear regarding failure and informational status.
+ * Check the file-handle as well as the return code to make sure the operation succeeded.
+ */
+ if (RT_FAILURE(rc)) {
+ kmem_free(str, size);
+ return (sfprov_vbox2errno(rc));
+ }
+
+ if (parms.Handle == SHFL_HANDLE_NIL) {
+ kmem_free(str, size);
+ return (ENOENT);
+ }
+
+ newfp = kmem_alloc(sizeof(sfp_file_t), KM_SLEEP);
+ newfp->handle = parms.Handle;
+ newfp->map = mnt->map;
+ *fp = newfp;
+ return (0);
+}
+
+int
+sfprov_close(sfp_file_t *fp)
+{
+ int rc;
+
+ rc = VbglR0SfClose(&vbox_client, &fp->map, fp->handle);
+ kmem_free(fp, sizeof(sfp_file_t));
+ return (0);
+}
+
+int
+sfprov_read(sfp_file_t *fp, char *buffer, uint64_t offset, uint32_t *numbytes)
+{
+ int rc;
+
+ rc = VbglR0SfRead(&vbox_client, &fp->map, fp->handle, offset,
+ numbytes, (uint8_t *)buffer, 0 /*fLocked*/);
+ if (RT_FAILURE(rc))
+ return (EINVAL);
+ return (0);
+}
+
+int
+sfprov_write(sfp_file_t *fp, char *buffer, uint64_t offset, uint32_t *numbytes)
+{
+ int rc;
+
+ rc = VbglR0SfWrite(&vbox_client, &fp->map, fp->handle, offset,
+ numbytes, (uint8_t *)buffer, 0 /*fLocked*/);
+ if (RT_FAILURE(rc))
+ return (EINVAL);
+ return (0);
+}
+
+int
+sfprov_fsync(sfp_file_t *fp)
+{
+ int rc;
+
+ rc = VbglR0SfFlush(&vbox_client, &fp->map, fp->handle);
+ if (RT_FAILURE(rc))
+ return (EIO);
+ return (0);
+}
+
+
+static int
+sfprov_getinfo(sfp_mount_t *mnt, char *path, PSHFLFSOBJINFO info)
+{
+ int rc;
+ SHFLCREATEPARMS parms;
+ SHFLSTRING *str;
+ int size;
+
+ str = sfprov_string(path, &size);
+ parms.Handle = 0;
+ parms.Info.cbObject = 0;
+ parms.CreateFlags = SHFL_CF_LOOKUP | SHFL_CF_ACT_FAIL_IF_NEW;
+ rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
+ kmem_free(str, size);
+
+ if (RT_FAILURE(rc))
+ return (EINVAL);
+ if (parms.Result != SHFL_FILE_EXISTS)
+ return (ENOENT);
+ *info = parms.Info;
+ return (0);
+}
+
+/*
+ * get information about a file (or directory)
+ */
+int
+sfprov_get_mode(sfp_mount_t *mnt, char *path, mode_t *mode)
+{
+ int rc;
+ SHFLFSOBJINFO info;
+
+ rc = sfprov_getinfo(mnt, path, &info);
+ if (rc)
+ return (rc);
+ sfprov_mode_from_fmode(mnt, mode, info.Attr.fMode);
+ return (0);
+}
+
+int
+sfprov_get_size(sfp_mount_t *mnt, char *path, uint64_t *size)
+{
+ int rc;
+ SHFLFSOBJINFO info;
+
+ rc = sfprov_getinfo(mnt, path, &info);
+ if (rc)
+ return (rc);
+ *size = info.cbObject;
+ return (0);
+}
+
+
+int
+sfprov_get_atime(sfp_mount_t *mnt, char *path, timestruc_t *time)
+{
+ int rc;
+ SHFLFSOBJINFO info;
+
+ rc = sfprov_getinfo(mnt, path, &info);
+ if (rc)
+ return (rc);
+ sfprov_ftime_from_timespec(time, &info.AccessTime);
+ return (0);
+}
+
+int
+sfprov_get_mtime(sfp_mount_t *mnt, char *path, timestruc_t *time)
+{
+ int rc;
+ SHFLFSOBJINFO info;
+
+ rc = sfprov_getinfo(mnt, path, &info);
+ if (rc)
+ return (rc);
+ sfprov_ftime_from_timespec(time, &info.ModificationTime);
+ return (0);
+}
+
+int
+sfprov_get_ctime(sfp_mount_t *mnt, char *path, timestruc_t *time)
+{
+ int rc;
+ SHFLFSOBJINFO info;
+
+ rc = sfprov_getinfo(mnt, path, &info);
+ if (rc)
+ return (rc);
+ sfprov_ftime_from_timespec(time, &info.ChangeTime);
+ return (0);
+}
+
+int
+sfprov_get_attr(sfp_mount_t *mnt, char *path, sffs_stat_t *attr)
+{
+ int rc;
+ SHFLFSOBJINFO info;
+
+ rc = sfprov_getinfo(mnt, path, &info);
+ if (rc)
+ return (rc);
+ sfprov_stat_from_info(mnt, attr, &info);
+ return (0);
+}
+
+static void
+sfprov_timespec_from_ftime(RTTIMESPEC *ts, timestruc_t time)
+{
+ uint64_t nanosec = UINT64_C(1000000000) * time.tv_sec + time.tv_nsec;
+ RTTimeSpecSetNano(ts, nanosec);
+}
+
+int
+sfprov_set_attr(
+ sfp_mount_t *mnt,
+ char *path,
+ uint_t mask,
+ mode_t mode,
+ timestruc_t atime,
+ timestruc_t mtime,
+ timestruc_t ctime)
+{
+ int rc, err;
+ SHFLCREATEPARMS parms;
+ SHFLSTRING *str;
+ SHFLFSOBJINFO info;
+ uint32_t bytes;
+ int str_size;
+
+ str = sfprov_string(path, &str_size);
+ parms.Handle = 0;
+ parms.Info.cbObject = 0;
+ parms.CreateFlags = SHFL_CF_ACT_OPEN_IF_EXISTS
+ | SHFL_CF_ACT_FAIL_IF_NEW
+ | SHFL_CF_ACCESS_ATTR_WRITE;
+
+ rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
+
+ if (RT_FAILURE(rc)) {
+ cmn_err(CE_WARN, "sfprov_set_attr: VbglR0SfCreate(%s) failed rc=%d\n",
+ path, rc);
+ err = EINVAL;
+ goto fail2;
+ }
+ if (parms.Result != SHFL_FILE_EXISTS) {
+ err = ENOENT;
+ goto fail1;
+ }
+
+ RT_ZERO(info);
+ if (mask & AT_MODE)
+ sfprov_fmode_from_mode(&info.Attr.fMode, mode);
+ if (mask & AT_ATIME)
+ sfprov_timespec_from_ftime(&info.AccessTime, atime);
+ if (mask & AT_MTIME)
+ sfprov_timespec_from_ftime(&info.ModificationTime, mtime);
+ if (mask & AT_CTIME)
+ sfprov_timespec_from_ftime(&info.ChangeTime, ctime);
+
+ bytes = sizeof(info);
+ rc = VbglR0SfFsInfo(&vbox_client, &mnt->map, parms.Handle, SHFL_INFO_SET | SHFL_INFO_FILE,
+ &bytes, (SHFLDIRINFO *)&info);
+ if (RT_FAILURE(rc)) {
+ if (rc != VERR_ACCESS_DENIED && rc != VERR_WRITE_PROTECT)
+ {
+ cmn_err(CE_WARN, "sfprov_set_attr: VbglR0SfFsInfo(%s, FILE) failed rc=%d\n",
+ path, rc);
+ }
+ err = sfprov_vbox2errno(rc);
+ goto fail1;
+ }
+
+ err = 0;
+
+fail1:
+ rc = VbglR0SfClose(&vbox_client, &mnt->map, parms.Handle);
+ if (RT_FAILURE(rc)) {
+ cmn_err(CE_WARN, "sfprov_set_attr: VbglR0SfClose(%s) failed rc=%d\n",
+ path, rc);
+ }
+fail2:
+ kmem_free(str, str_size);
+ return err;
+}
+
+int
+sfprov_set_size(sfp_mount_t *mnt, char *path, uint64_t size)
+{
+ int rc, err;
+ SHFLCREATEPARMS parms;
+ SHFLSTRING *str;
+ SHFLFSOBJINFO info;
+ uint32_t bytes;
+ int str_size;
+
+ str = sfprov_string(path, &str_size);
+ parms.Handle = 0;
+ parms.Info.cbObject = 0;
+ parms.CreateFlags = SHFL_CF_ACT_OPEN_IF_EXISTS
+ | SHFL_CF_ACT_FAIL_IF_NEW
+ | SHFL_CF_ACCESS_WRITE;
+
+ rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
+
+ if (RT_FAILURE(rc)) {
+ cmn_err(CE_WARN, "sfprov_set_size: VbglR0SfCreate(%s) failed rc=%d\n",
+ path, rc);
+ err = EINVAL;
+ goto fail2;
+ }
+ if (parms.Result != SHFL_FILE_EXISTS) {
+ err = ENOENT;
+ goto fail1;
+ }
+
+ RT_ZERO(info);
+ info.cbObject = size;
+ bytes = sizeof(info);
+ rc = VbglR0SfFsInfo(&vbox_client, &mnt->map, parms.Handle, SHFL_INFO_SET | SHFL_INFO_SIZE,
+ &bytes, (SHFLDIRINFO *)&info);
+ if (RT_FAILURE(rc)) {
+ cmn_err(CE_WARN, "sfprov_set_size: VbglR0SfFsInfo(%s, SIZE) failed rc=%d\n",
+ path, rc);
+ err = sfprov_vbox2errno(rc);
+ goto fail1;
+ }
+
+ err = 0;
+
+fail1:
+ rc = VbglR0SfClose(&vbox_client, &mnt->map, parms.Handle);
+ if (RT_FAILURE(rc)) {
+ cmn_err(CE_WARN, "sfprov_set_size: VbglR0SfClose(%s) failed rc=%d\n",
+ path, rc);
+ }
+fail2:
+ kmem_free(str, str_size);
+ return err;
+}
+
+/*
+ * Directory operations
+ */
+int
+sfprov_mkdir(
+ sfp_mount_t *mnt,
+ char *path,
+ mode_t mode,
+ sfp_file_t **fp,
+ sffs_stat_t *stat)
+{
+ int rc;
+ SHFLCREATEPARMS parms;
+ SHFLSTRING *str;
+ int size;
+ sfp_file_t *newfp;
+
+ str = sfprov_string(path, &size);
+ parms.Handle = SHFL_HANDLE_NIL;
+ parms.Info.cbObject = 0;
+ sfprov_fmode_from_mode(&parms.Info.Attr.fMode, mode);
+ parms.CreateFlags = SHFL_CF_DIRECTORY | SHFL_CF_ACT_CREATE_IF_NEW |
+ SHFL_CF_ACT_FAIL_IF_EXISTS | SHFL_CF_ACCESS_READ;
+ rc = VbglR0SfCreate(&vbox_client, &mnt->map, str, &parms);
+ kmem_free(str, size);
+
+ if (RT_FAILURE(rc))
+ return (sfprov_vbox2errno(rc));
+ if (parms.Handle == SHFL_HANDLE_NIL) {
+ if (parms.Result == SHFL_FILE_EXISTS)
+ return (EEXIST);
+ return (ENOENT);
+ }
+ newfp = kmem_alloc(sizeof(sfp_file_t), KM_SLEEP);
+ newfp->handle = parms.Handle;
+ newfp->map = mnt->map;
+ *fp = newfp;
+ sfprov_stat_from_info(mnt, stat, &parms.Info);
+ return (0);
+}
+
+int
+sfprov_set_show_symlinks(void)
+{
+ int rc;
+
+ rc = VbglR0SfSetSymlinks(&vbox_client);
+ if (RT_FAILURE(rc))
+ return (sfprov_vbox2errno(rc));
+
+ return (0);
+}
+
+int
+sfprov_remove(sfp_mount_t *mnt, char *path, uint_t is_link)
+{
+ int rc;
+ SHFLSTRING *str;
+ int size;
+
+ str = sfprov_string(path, &size);
+ rc = VbglR0SfRemove(&vbox_client, &mnt->map, str,
+ SHFL_REMOVE_FILE | (is_link ? SHFL_REMOVE_SYMLINK : 0));
+ kmem_free(str, size);
+ if (RT_FAILURE(rc))
+ return (sfprov_vbox2errno(rc));
+ return (0);
+}
+
+int
+sfprov_readlink(
+ sfp_mount_t *mnt,
+ char *path,
+ char *target,
+ size_t tgt_size)
+{
+ int rc;
+ SHFLSTRING *str;
+ int size;
+
+ str = sfprov_string(path, &size);
+
+ rc = VbglR0SfReadLink(&vbox_client, &mnt->map, str, (uint32_t) tgt_size,
+ target);
+ if (RT_FAILURE(rc))
+ rc = sfprov_vbox2errno(rc);
+
+ kmem_free(str, size);
+ return (rc);
+}
+
+int
+sfprov_symlink(
+ sfp_mount_t *mnt,
+ char *linkname,
+ char *target,
+ sffs_stat_t *stat)
+{
+ int rc;
+ SHFLSTRING *lnk, *tgt;
+ int lnk_size, tgt_size;
+ SHFLFSOBJINFO info;
+
+ lnk = sfprov_string(linkname, &lnk_size);
+ tgt = sfprov_string(target, &tgt_size);
+
+ rc = VbglR0SfSymlink(&vbox_client, &mnt->map, lnk, tgt, &info);
+ if (RT_FAILURE(rc)) {
+ rc = sfprov_vbox2errno(rc);
+ goto done;
+ }
+
+ if (stat != NULL)
+ sfprov_stat_from_info(mnt, stat, &info);
+
+done:
+ kmem_free(lnk, lnk_size);
+ kmem_free(tgt, tgt_size);
+
+ return (rc);
+}
+
+int
+sfprov_rmdir(sfp_mount_t *mnt, char *path)
+{
+ int rc;
+ SHFLSTRING *str;
+ int size;
+
+ str = sfprov_string(path, &size);
+ rc = VbglR0SfRemove(&vbox_client, &mnt->map, str, SHFL_REMOVE_DIR);
+ kmem_free(str, size);
+ if (RT_FAILURE(rc))
+ return (sfprov_vbox2errno(rc));
+ return (0);
+}
+
+int
+sfprov_rename(sfp_mount_t *mnt, char *from, char *to, uint_t is_dir)
+{
+ int rc;
+ SHFLSTRING *old, *new;
+ int old_size, new_size;
+
+ old = sfprov_string(from, &old_size);
+ new = sfprov_string(to, &new_size);
+ rc = VbglR0SfRename(&vbox_client, &mnt->map, old, new,
+ (is_dir ? SHFL_RENAME_DIR : SHFL_RENAME_FILE) | SHFL_RENAME_REPLACE_IF_EXISTS);
+ kmem_free(old, old_size);
+ kmem_free(new, new_size);
+ if (RT_FAILURE(rc))
+ return (sfprov_vbox2errno(rc));
+ return (0);
+}
+
+
+/*
+ * Read all filenames in a directory.
+ *
+ * - success - all entries read and returned
+ * - ENOENT - Couldn't open the directory for reading
+ * - EINVAL - Internal error of some kind
+ *
+ * On successful return, *dirents points to a list of sffs_dirents_t;
+ * for each dirent, all fields except the d_ino will be set appropriately.
+ * The caller is responsible for freeing the dirents buffer.
+ */
+int
+sfprov_readdir(
+ sfp_mount_t *mnt,
+ char *path,
+ sffs_dirents_t **dirents,
+ int flag)
+{
+ int error;
+ char *cp;
+ int len;
+ SHFLSTRING *mask_str = NULL; /* must be path with "/ *" appended */
+ int mask_size;
+ sfp_file_t *fp;
+ uint32_t infobuff_alloc = 16384;
+ SHFLDIRINFO *infobuff = NULL, *info;
+ uint32_t numbytes;
+ uint32_t nents;
+ uint32_t size;
+ off_t offset;
+ sffs_dirents_t *cur_buf;
+ struct sffs_dirent *dirent;
+ unsigned short reclen;
+ unsigned short entlen;
+
+ *dirents = NULL;
+
+ error = sfprov_diropen(mnt, path, &fp);
+ if (error != 0)
+ return (ENOENT);
+
+ /*
+ * Allocate the first dirents buffers.
+ */
+ *dirents = kmem_alloc(SFFS_DIRENTS_SIZE, KM_SLEEP);
+ if (*dirents == NULL) {
+ error = (ENOSPC);
+ goto done;
+ }
+ cur_buf = *dirents;
+ cur_buf->sf_next = NULL;
+ cur_buf->sf_len = 0;
+
+ /*
+ * Create mask that VBox expects. This needs to be the directory path,
+ * plus a "*" wildcard to get all files.
+ */
+ len = strlen(path) + 3;
+ cp = kmem_alloc(len, KM_SLEEP);
+ if (cp == NULL) {
+ error = (ENOSPC);
+ goto done;
+ }
+ strcpy(cp, path);
+ strcat(cp, "/*");
+ mask_str = sfprov_string(cp, &mask_size);
+ kmem_free(cp, len);
+
+ /*
+ * Now loop using VbglR0SfDirInfo
+ */
+ infobuff = kmem_alloc(infobuff_alloc, KM_SLEEP);
+ if (infobuff == NULL) {
+ error = (ENOSPC);
+ goto done;
+ }
+
+ offset = 0;
+ for (;;) {
+ numbytes = infobuff_alloc;
+ error = VbglR0SfDirInfo(&vbox_client, &fp->map, fp->handle,
+ mask_str, 0, 0, &numbytes, infobuff, &nents);
+ switch (error) {
+
+ case VINF_SUCCESS:
+ /* fallthrough */
+ case VERR_NO_MORE_FILES:
+ break;
+
+ case VERR_NO_TRANSLATION:
+ /* XXX ??? */
+ break;
+
+ default:
+ error = sfprov_vbox2errno(error);
+ goto done;
+ }
+
+ /*
+ * Create the dirent_t's and save the stats for each name
+ */
+ for (info = infobuff; (char *) info < (char *) infobuff + numbytes; nents--) {
+ /* expand buffers if we need more space */
+ reclen = DIRENT64_RECLEN(strlen(info->name.String.utf8));
+ entlen = sizeof(sffs_stat_t) + reclen;
+ if (SFFS_DIRENTS_OFF + cur_buf->sf_len + entlen > SFFS_DIRENTS_SIZE) {
+ cur_buf->sf_next = kmem_alloc(SFFS_DIRENTS_SIZE, KM_SLEEP);
+ if (cur_buf->sf_next == NULL) {
+ error = ENOSPC;
+ goto done;
+ }
+ cur_buf = cur_buf->sf_next;
+ cur_buf->sf_next = NULL;
+ cur_buf->sf_len = 0;
+ }
+
+ /* create the dirent with the name, offset, and len */
+ dirent = (struct sffs_dirent *)
+ (((char *) &cur_buf->sf_entries[0]) + cur_buf->sf_len);
+ strncpy(&dirent->sf_entry.d_name[0], info->name.String.utf8, DIRENT64_NAMELEN(reclen));
+ dirent->sf_entry.d_reclen = reclen;
+ offset += entlen;
+ dirent->sf_entry.d_off = offset;
+
+ /* save the stats */
+ sfprov_stat_from_info(mnt, &dirent->sf_stat, &info->Info);
+
+ /* next info */
+ cur_buf->sf_len += entlen;
+ size = offsetof (SHFLDIRINFO, name.String) + info->name.u16Size;
+ info = (SHFLDIRINFO *) ((uintptr_t) info + size);
+ }
+ ASSERT(nents == 0);
+ ASSERT((char *) info == (char *) infobuff + numbytes);
+
+ if (error == VERR_NO_MORE_FILES)
+ break;
+ }
+ error = 0;
+
+done:
+ if (error != 0) {
+ while (*dirents) {
+ cur_buf = (*dirents)->sf_next;
+ kmem_free(*dirents, SFFS_DIRENTS_SIZE);
+ *dirents = cur_buf;
+ }
+ }
+ if (infobuff != NULL)
+ kmem_free(infobuff, infobuff_alloc);
+ if (mask_str != NULL)
+ kmem_free(mask_str, mask_size);
+ sfprov_close(fp);
+ return (error);
+}