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/*
* VBMouse - VirtualBox Shared Folders service client functions
* Copyright (C) 2022 Javier S. Pedro
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef VBOXSHFL_H
#define VBOXSHFL_H
#include "vboxhgcm.h"
#define SHFLSTRING_WITH_BUF(name, size) \
struct { \
SHFLSTRING shflstr; \
char buf[size]; \
} name = { {size, 0} }
#define SHFLDIRINFO_WITH_BUF(name, size) \
struct { \
SHFLDIRINFO dirinfo; \
char buf[size]; \
} name
static inline unsigned shflstring_size_with_buf(const SHFLSTRING *str)
{
return sizeof(SHFLSTRING) + str->u16Size;
}
static inline unsigned shflstring_size_optional_in(const SHFLSTRING *str)
{
if (str->u16Length > 0) {
return sizeof(SHFLSTRING) + str->u16Size;
} else {
return 0;
}
}
static inline void shflstring_clear(SHFLSTRING *str)
{
str->u16Length = 0;
}
static void shflstring_strcpy(SHFLSTRING *str, const char __far *src)
{
str->u16Length = MIN(_fstrlen(src), str->u16Size - 1);
_fmemcpy(str->ach, src, str->u16Length);
str->ach[str->u16Length] = '\0';
}
static void shflstring_strncpy(SHFLSTRING *str, const char __far *src, unsigned len)
{
str->u16Length = MIN(len, str->u16Size - 1);
_fmemcpy(str->ach, src, str->u16Length);
str->ach[str->u16Length] = '\0';
}
static int32_t vbox_shfl_query_mappings(LPVBOXCOMM vb, hgcm_client_id_t client_id, uint32_t flags, unsigned __far *num_maps, SHFLMAPPING __far *maps)
{
VMMDevHGCMCall __far *req = (void __far *) vb->buf;
vbox_hgcm_init_call(req, client_id, SHFL_FN_QUERY_MAPPINGS, 3);
req->aParms[0].type = VMMDevHGCMParmType_32bit;
req->aParms[0].u.value32 = flags;
req->aParms[1].type = VMMDevHGCMParmType_32bit;
req->aParms[1].u.value32 = *num_maps;
req->aParms[2].type = VMMDevHGCMParmType_LinAddr;
req->aParms[2].u.Pointer.size = sizeof(SHFLMAPPING) * *num_maps;
req->aParms[2].u.Pointer.u.linearAddr = linear_addr(maps);
vbox_send_request(vb->iobase, vb->dds.physicalAddress);
if (req->header.header.rc < 0) {
return req->header.header.rc;
} else if (req->header.header.rc == VINF_HGCM_ASYNC_EXECUTE) {
vbox_hgcm_wait(&req->header);
}
*num_maps = req->aParms[1].u.value32;
return req->header.result;
}
static int32_t vbox_shfl_query_map_name(LPVBOXCOMM vb, hgcm_client_id_t client_id, SHFLROOT root, SHFLSTRING *name)
{
VMMDevHGCMCall __far *req = (void __far *) vb->buf;
vbox_hgcm_init_call(req, client_id, SHFL_FN_QUERY_MAP_NAME, 2);
req->aParms[0].type = VMMDevHGCMParmType_32bit;
req->aParms[0].u.value32 = root;
req->aParms[1].type = VMMDevHGCMParmType_LinAddr;
req->aParms[1].u.Pointer.size = shflstring_size_with_buf(name);
req->aParms[1].u.Pointer.u.linearAddr = linear_addr(name);
vbox_send_request(vb->iobase, vb->dds.physicalAddress);
if (req->header.header.rc < 0) {
return req->header.header.rc;
} else if (req->header.header.rc == VINF_HGCM_ASYNC_EXECUTE) {
vbox_hgcm_wait(&req->header);
}
return req->header.result;
}
static int32_t vbox_shfl_map_folder(LPVBOXCOMM vb, hgcm_client_id_t client_id, const SHFLSTRING *name, SHFLROOT *root)
{
VMMDevHGCMCall __far *req = (void __far *) vb->buf;
vbox_hgcm_init_call(req, client_id, SHFL_FN_MAP_FOLDER, 4);
// arg 0 in shflstring "name"
req->aParms[0].type = VMMDevHGCMParmType_LinAddr;
req->aParms[0].u.Pointer.size = shflstring_size_with_buf(name);
req->aParms[0].u.Pointer.u.linearAddr = linear_addr(name);
// arg 1 out uint32 "root"
req->aParms[1].type = VMMDevHGCMParmType_32bit;
req->aParms[1].u.value32 = *root;
// arg 2 in uint32 "delimiter"
req->aParms[2].type = VMMDevHGCMParmType_32bit;
req->aParms[2].u.value32 = '\\';
// arg 3 in uint32 "caseSensitive"
req->aParms[3].type = VMMDevHGCMParmType_32bit;
req->aParms[3].u.value32 = 0;
vbox_send_request(vb->iobase, vb->dds.physicalAddress);
if (req->header.header.rc < 0) {
return req->header.header.rc;
} else if (req->header.header.rc == VINF_HGCM_ASYNC_EXECUTE) {
vbox_hgcm_wait(&req->header);
}
*root = req->aParms[1].u.value32;
return req->header.result;
}
static int32_t vbox_shfl_unmap_folder(LPVBOXCOMM vb, hgcm_client_id_t client_id, SHFLROOT root)
{
VMMDevHGCMCall __far *req = (void __far *) vb->buf;
vbox_hgcm_init_call(req, client_id, SHFL_FN_UNMAP_FOLDER, 1);
// arg 0 in uint32 "root"
req->aParms[0].type = VMMDevHGCMParmType_32bit;
req->aParms[0].u.value32 = root;
vbox_send_request(vb->iobase, vb->dds.physicalAddress);
if (req->header.header.rc < 0) {
return req->header.header.rc;
} else if (req->header.header.rc == VINF_HGCM_ASYNC_EXECUTE) {
vbox_hgcm_wait(&req->header);
}
return req->header.result;
}
static int32_t vbox_shfl_open(LPVBOXCOMM vb, hgcm_client_id_t client_id, SHFLROOT root, const SHFLSTRING *name, SHFLCREATEPARMS *parms)
{
VMMDevHGCMCall __far *req = (void __far *) vb->buf;
vbox_hgcm_init_call(req, client_id, SHFL_FN_CREATE, 3);
// arg 0 in uint32 "root"
req->aParms[0].type = VMMDevHGCMParmType_32bit;
req->aParms[0].u.value32 = root;
// arg 1 in shflstring "name"
req->aParms[1].type = VMMDevHGCMParmType_LinAddr;
req->aParms[1].u.Pointer.size = shflstring_size_with_buf(name);
req->aParms[1].u.Pointer.u.linearAddr = linear_addr(name);
// arg 2 in shflcreateparms "parms"
req->aParms[2].type = VMMDevHGCMParmType_LinAddr;
req->aParms[2].u.Pointer.size = sizeof(SHFLCREATEPARMS);
req->aParms[2].u.Pointer.u.linearAddr = linear_addr(parms);
vbox_send_request(vb->iobase, vb->dds.physicalAddress);
if (req->header.header.rc < 0) {
return req->header.header.rc;
} else if (req->header.header.rc == VINF_HGCM_ASYNC_EXECUTE) {
vbox_hgcm_wait(&req->header);
}
return req->header.result;
}
static int32_t vbox_shfl_close(LPVBOXCOMM vb, hgcm_client_id_t client_id, SHFLROOT root, SHFLHANDLE handle)
{
VMMDevHGCMCall __far *req = (void __far *) vb->buf;
vbox_hgcm_init_call(req, client_id, SHFL_FN_CLOSE, 2);
// arg 0 in uint32 "root"
req->aParms[0].type = VMMDevHGCMParmType_32bit;
req->aParms[0].u.value32 = root;
// arg 1 in uint64 "handle"
req->aParms[1].type = VMMDevHGCMParmType_64bit;
req->aParms[1].u.value64 = handle;
vbox_send_request(vb->iobase, vb->dds.physicalAddress);
if (req->header.header.rc < 0) {
return req->header.header.rc;
} else if (req->header.header.rc == VINF_HGCM_ASYNC_EXECUTE) {
vbox_hgcm_wait(&req->header);
}
return req->header.result;
}
static int32_t vbox_shfl_read(LPVBOXCOMM vb, hgcm_client_id_t client_id, SHFLROOT root, SHFLHANDLE handle,
unsigned long offset, unsigned __far *size, void __far *buffer)
{
VMMDevHGCMCall __far *req = (void __far *) vb->buf;
vbox_hgcm_init_call(req, client_id, SHFL_FN_READ, 5);
// arg 0 in uint32 "root"
req->aParms[0].type = VMMDevHGCMParmType_32bit;
req->aParms[0].u.value32 = root;
// arg 1 in uint64 "handle"
req->aParms[1].type = VMMDevHGCMParmType_64bit;
req->aParms[1].u.value64 = handle;
// arg 2 in uint64 "offset"
req->aParms[2].type = VMMDevHGCMParmType_64bit;
req->aParms[2].u.value64 = offset;
// arg 3 inout uint32 "size"
req->aParms[3].type = VMMDevHGCMParmType_32bit;
req->aParms[3].u.value32 = *size;
// arg 4 out void "buffer"
req->aParms[4].type = VMMDevHGCMParmType_LinAddr;
req->aParms[4].u.Pointer.size = *size;
req->aParms[4].u.Pointer.u.linearAddr = linear_addr(buffer);
vbox_send_request(vb->iobase, vb->dds.physicalAddress);
if (req->header.header.rc < 0) {
return req->header.header.rc;
} else if (req->header.header.rc == VINF_HGCM_ASYNC_EXECUTE) {
vbox_hgcm_wait(&req->header);
}
*size = req->aParms[3].u.value32;
return req->header.result;
}
static int32_t vbox_shfl_write(LPVBOXCOMM vb, hgcm_client_id_t client_id, SHFLROOT root, SHFLHANDLE handle,
unsigned long offset, unsigned __far *size, void __far *buffer)
{
VMMDevHGCMCall __far *req = (void __far *) vb->buf;
vbox_hgcm_init_call(req, client_id, SHFL_FN_WRITE, 5);
// arg 0 in uint32 "root"
req->aParms[0].type = VMMDevHGCMParmType_32bit;
req->aParms[0].u.value32 = root;
// arg 1 in uint64 "handle"
req->aParms[1].type = VMMDevHGCMParmType_64bit;
req->aParms[1].u.value64 = handle;
// arg 2 in uint64 "offset"
req->aParms[2].type = VMMDevHGCMParmType_64bit;
req->aParms[2].u.value64 = offset;
// arg 3 inout uint32 "size"
req->aParms[3].type = VMMDevHGCMParmType_32bit;
req->aParms[3].u.value32 = *size;
// arg 4 in void "buffer"
req->aParms[4].type = VMMDevHGCMParmType_LinAddr;
req->aParms[4].u.Pointer.size = *size;
req->aParms[4].u.Pointer.u.linearAddr = linear_addr(buffer);
vbox_send_request(vb->iobase, vb->dds.physicalAddress);
if (req->header.header.rc < 0) {
return req->header.header.rc;
} else if (req->header.header.rc == VINF_HGCM_ASYNC_EXECUTE) {
vbox_hgcm_wait(&req->header);
}
*size = req->aParms[3].u.value32;
return req->header.result;
}
static int32_t vbox_shfl_list(LPVBOXCOMM vb, hgcm_client_id_t client_id, SHFLROOT root, SHFLHANDLE handle,
unsigned flags, unsigned __far *size, const SHFLSTRING *path, SHFLDIRINFO *dirinfo, unsigned __far *resume, unsigned __far *count)
{
VMMDevHGCMCall __far *req = (void __far *) vb->buf;
vbox_hgcm_init_call(req, client_id, SHFL_FN_LIST, 8);
// arg 0 in uint32 "root"
req->aParms[0].type = VMMDevHGCMParmType_32bit;
req->aParms[0].u.value32 = root;
// arg 1 in uint64 "handle"
req->aParms[1].type = VMMDevHGCMParmType_64bit;
req->aParms[1].u.value64 = handle;
// arg 2 in uint32 "flags"
req->aParms[2].type = VMMDevHGCMParmType_32bit;
req->aParms[2].u.value32 = flags;
// arg 3 inout uint32 "size"
req->aParms[3].type = VMMDevHGCMParmType_32bit;
req->aParms[3].u.value32 = *size;
// arg 4 in shflstring "path"
req->aParms[4].type = VMMDevHGCMParmType_LinAddr;
req->aParms[4].u.Pointer.size = shflstring_size_optional_in(path);
req->aParms[4].u.Pointer.u.linearAddr = linear_addr(path);
// arg 5 out void "dirinfo"
req->aParms[5].type = VMMDevHGCMParmType_LinAddr;
req->aParms[5].u.Pointer.size = *size;
req->aParms[5].u.Pointer.u.linearAddr = linear_addr(dirinfo);
// arg 6 inout uint32 "resume_point"
req->aParms[6].type = VMMDevHGCMParmType_32bit;
req->aParms[6].u.value32 = *resume;
// arg 7 out uint32 "count"
req->aParms[7].type = VMMDevHGCMParmType_32bit;
req->aParms[7].u.value32 = 0;
vbox_send_request(vb->iobase, vb->dds.physicalAddress);
if (req->header.header.rc < 0) {
return req->header.header.rc;
} else if (req->header.header.rc == VINF_HGCM_ASYNC_EXECUTE) {
vbox_hgcm_wait(&req->header);
}
*size = req->aParms[3].u.value32;
*resume = req->aParms[6].u.value32;
*count = req->aParms[7].u.value32;
return req->header.result;
}
static int32_t vbox_shfl_set_utf8(LPVBOXCOMM vb, hgcm_client_id_t client_id)
{
VMMDevHGCMCall __far *req = (void __far *) vb->buf;
vbox_hgcm_init_call(req, client_id, SHFL_FN_SET_UTF8, 0);
vbox_send_request(vb->iobase, vb->dds.physicalAddress);
if (req->header.header.rc < 0) {
return req->header.header.rc;
} else if (req->header.header.rc == VINF_HGCM_ASYNC_EXECUTE) {
vbox_hgcm_wait(&req->header);
}
return req->header.result;
}
static int32_t vbox_shfl_query_map_info(LPVBOXCOMM vb, hgcm_client_id_t client_id, SHFLROOT root,
SHFLSTRING *name, SHFLSTRING *mountPoint, unsigned *flags, unsigned *version)
{
VMMDevHGCMCall __far *req = (void __far *) vb->buf;
vbox_hgcm_init_call(req, client_id, SHFL_FN_QUERY_MAP_INFO, 5);
// arg 0 in uint32 "root"
req->aParms[0].type = VMMDevHGCMParmType_32bit;
req->aParms[0].u.value32 = root;
// arg 1 inout shflstring "name"
req->aParms[1].type = VMMDevHGCMParmType_LinAddr;
req->aParms[1].u.Pointer.size = shflstring_size_with_buf(name);
req->aParms[1].u.Pointer.u.linearAddr = linear_addr(name);
// arg 2 inout shflstring "mountPoint"
req->aParms[2].type = VMMDevHGCMParmType_LinAddr;
req->aParms[2].u.Pointer.size = shflstring_size_with_buf(mountPoint);
req->aParms[2].u.Pointer.u.linearAddr = linear_addr(mountPoint);
// arg 3 inout uint64 "flags"
req->aParms[3].type = VMMDevHGCMParmType_64bit;
req->aParms[3].u.value64 = *flags;
// arg 4 out uint32 "version"
req->aParms[4].type = VMMDevHGCMParmType_32bit;
req->aParms[4].u.value32 = *version;
vbox_send_request(vb->iobase, vb->dds.physicalAddress);
if (req->header.header.rc < 0) {
return req->header.header.rc;
} else if (req->header.header.rc == VINF_HGCM_ASYNC_EXECUTE) {
vbox_hgcm_wait(&req->header);
}
*flags = req->aParms[3].u.value64;
*version = req->aParms[4].u.value32;
return req->header.result;
}
#endif // VBOXSHFL_H
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