You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
478 lines
13 KiB
478 lines
13 KiB
/**
|
|
* xrdp: A Remote Desktop Protocol server.
|
|
*
|
|
* Copyright (C) Jay Sorg 2012
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
/* MS-RDPECLIP
|
|
* http://msdn.microsoft.com/en-us/library/cc241066%28prot.20%29.aspx
|
|
*
|
|
* CLIPRDR_FILEDESCRIPTOR
|
|
* http://msdn.microsoft.com/en-us/library/ff362447%28prot.20%29.aspx */
|
|
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xatom.h>
|
|
#include <X11/extensions/Xfixes.h>
|
|
#include "arch.h"
|
|
#include "parse.h"
|
|
#include "os_calls.h"
|
|
#include "chansrv.h"
|
|
#include "clipboard.h"
|
|
#include "clipboard_file.h"
|
|
#include "clipboard_common.h"
|
|
#include "xcommon.h"
|
|
#include "chansrv_fuse.h"
|
|
|
|
#define LLOG_LEVEL 11
|
|
#define LLOGLN(_level, _args) \
|
|
do \
|
|
{ \
|
|
if (_level < LLOG_LEVEL) \
|
|
{ \
|
|
g_write("chansrv:clip [%10.10u]: ", g_time3()); \
|
|
g_writeln _args ; \
|
|
} \
|
|
} \
|
|
while (0)
|
|
|
|
extern int g_cliprdr_chan_id; /* in chansrv.c */
|
|
|
|
extern struct clip_s2c g_clip_s2c; /* in clipboard.c */
|
|
extern struct clip_c2s g_clip_c2s; /* in clipboard.c */
|
|
|
|
extern struct file_item *g_file_items; /* in chansrv_fuse.c */
|
|
extern int g_file_items_count; /* in chansrv_fuse.c */
|
|
|
|
|
|
struct cb_file_info
|
|
{
|
|
char pathname[256];
|
|
char filename[256];
|
|
int flags;
|
|
int size;
|
|
tui64 time;
|
|
};
|
|
|
|
struct clip_file_desc /* CLIPRDR_FILEDESCRIPTOR */
|
|
{
|
|
tui32 flags;
|
|
tui32 fileAttributes;
|
|
tui32 lastWriteTimeLow;
|
|
tui32 lastWriteTimeHigh;
|
|
tui32 fileSizeHigh;
|
|
tui32 fileSizeLow;
|
|
char cFileName[256];
|
|
};
|
|
|
|
static struct cb_file_info g_files[64];
|
|
static int g_num_files = 0;
|
|
|
|
/* number of seconds from 1 Jan. 1601 00:00 to 1 Jan 1970 00:00 UTC */
|
|
#define CB_EPOCH_DIFF 11644473600LL
|
|
|
|
/*****************************************************************************/
|
|
static tui64 APP_CC
|
|
timeval2wintime(struct timeval *tv)
|
|
{
|
|
tui64 result;
|
|
|
|
result = CB_EPOCH_DIFF;
|
|
result += tv->tv_sec;
|
|
result *= 10000000LL;
|
|
result += tv->tv_usec * 10;
|
|
return result;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* this will replace %20 or any hex with the space or correct char
|
|
* returns error */
|
|
static int APP_CC
|
|
clipboard_check_file(char *filename)
|
|
{
|
|
char lfilename[256];
|
|
char jchr[8];
|
|
int lindex;
|
|
int index;
|
|
|
|
g_memset(lfilename, 0, 256);
|
|
lindex = 0;
|
|
index = 0;
|
|
while (filename[index] != 0)
|
|
{
|
|
if (filename[index] == '%')
|
|
{
|
|
jchr[0] = filename[index + 1];
|
|
jchr[1] = filename[index + 2];
|
|
jchr[2] = 0;
|
|
index += 3;
|
|
lfilename[lindex] = g_htoi(jchr);
|
|
lindex++;
|
|
}
|
|
else
|
|
{
|
|
lfilename[lindex] = filename[index];
|
|
lindex++;
|
|
index++;
|
|
}
|
|
}
|
|
LLOGLN(0, ("[%s] [%s]", filename, lfilename));
|
|
g_strcpy(filename, lfilename);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
clipboard_get_file(char* file, int bytes)
|
|
{
|
|
int sindex;
|
|
int pindex;
|
|
int flags;
|
|
char full_fn[256]; /* /etc/xrdp/xrdp.ini */
|
|
char filename[256]; /* xrdp.ini */
|
|
char pathname[256]; /* /etc/xrdp */
|
|
|
|
sindex = 0;
|
|
flags = CB_FILE_ATTRIBUTE_ARCHIVE;
|
|
if (g_strncmp(file, "file:///", 8) == 0)
|
|
{
|
|
sindex = 7;
|
|
}
|
|
pindex = bytes;
|
|
while (pindex > sindex)
|
|
{
|
|
if (file[pindex] == '/')
|
|
{
|
|
break;
|
|
}
|
|
pindex--;
|
|
}
|
|
g_memset(pathname, 0, 256);
|
|
g_memset(filename, 0, 256);
|
|
g_memcpy(pathname, file + sindex, pindex - sindex);
|
|
if (pathname[0] == 0)
|
|
{
|
|
pathname[0] = '/';
|
|
}
|
|
g_memcpy(filename, file + pindex + 1, (bytes - 1) - pindex);
|
|
/* this should replace %20 with space */
|
|
clipboard_check_file(filename);
|
|
g_snprintf(full_fn, 255, "%s/%s", pathname, filename);
|
|
if (g_directory_exist(full_fn))
|
|
{
|
|
LLOGLN(0, ("clipboard_get_file: file [%s] is a directory, "
|
|
"not supported", full_fn));
|
|
flags |= CB_FILE_ATTRIBUTE_DIRECTORY;
|
|
return 1;
|
|
}
|
|
if (!g_file_exist(full_fn))
|
|
{
|
|
LLOGLN(0, ("clipboard_get_file: file [%s] does not exist",
|
|
full_fn));
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
g_strcpy(g_files[g_num_files].filename, filename);
|
|
g_strcpy(g_files[g_num_files].pathname, pathname);
|
|
g_files[g_num_files].size = g_file_get_size(full_fn);
|
|
g_files[g_num_files].flags = flags;
|
|
g_files[g_num_files].time = (g_time1() + CB_EPOCH_DIFF) * 10000000LL;
|
|
g_writeln("ok filename [%s] pathname [%s] size [%d]",
|
|
g_files[g_num_files].filename,
|
|
g_files[g_num_files].pathname,
|
|
g_files[g_num_files].size);
|
|
g_num_files++;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
clipboard_get_files(char *files, int bytes)
|
|
{
|
|
int index;
|
|
int file_index;
|
|
char file[512];
|
|
|
|
g_num_files = 0;
|
|
file_index = 0;
|
|
for (index = 0; index < bytes; index++)
|
|
{
|
|
if (files[index] == '\n' || files[index] == '\r')
|
|
{
|
|
if (file_index > 0)
|
|
{
|
|
if (clipboard_get_file(file, file_index) == 0)
|
|
{
|
|
}
|
|
file_index = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
file[file_index] = files[index];
|
|
file_index++;
|
|
}
|
|
if (g_num_files > 60)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
if (file_index > 0)
|
|
{
|
|
if (clipboard_get_file(file, file_index) == 0)
|
|
{
|
|
}
|
|
}
|
|
if (g_num_files < 1)
|
|
{
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* server to client */
|
|
int APP_CC
|
|
clipboard_send_data_response_for_file(char *data, int data_size)
|
|
{
|
|
struct stream *s;
|
|
int size;
|
|
int rv;
|
|
int bytes_after_header;
|
|
int cItems;
|
|
int flags;
|
|
int index;
|
|
tui32 ui32;
|
|
char fn[256];
|
|
|
|
LLOGLN(10, ("clipboard_send_data_response_for_file: data_size %d",
|
|
data_size));
|
|
//g_hexdump(data, data_size);
|
|
clipboard_get_files(data, data_size);
|
|
cItems = g_num_files;
|
|
bytes_after_header = cItems * 592 + 4;
|
|
make_stream(s);
|
|
init_stream(s, 64 + bytes_after_header);
|
|
out_uint16_le(s, CB_FORMAT_DATA_RESPONSE); /* 5 CLIPRDR_DATA_RESPONSE */
|
|
out_uint16_le(s, CB_RESPONSE_OK); /* 1 status */
|
|
out_uint32_le(s, bytes_after_header);
|
|
out_uint32_le(s, cItems);
|
|
for (index = 0; index < cItems; index++)
|
|
{
|
|
flags = CB_FD_ATTRIBUTES | CB_FD_FILESIZE | CB_FD_WRITESTIME | CB_FD_PROGRESSUI;
|
|
out_uint32_le(s, flags);
|
|
out_uint8s(s, 32); /* reserved1 */
|
|
flags = g_files[index].flags;
|
|
out_uint32_le(s, flags);
|
|
out_uint8s(s, 16); /* reserved2 */
|
|
/* file time */
|
|
/* 100-nanoseconds intervals since 1 January 1601 */
|
|
//out_uint32_le(s, 0x2c305d08); /* 25 October 2009, 21:17 */
|
|
//out_uint32_le(s, 0x01ca55f3);
|
|
ui32 = g_files[index].time & 0xffffffff;
|
|
out_uint32_le(s, ui32);
|
|
ui32 = g_files[index].time >> 32;
|
|
out_uint32_le(s, ui32);
|
|
/* file size */
|
|
out_uint32_le(s, 0);
|
|
out_uint32_le(s, g_files[index].size);
|
|
//g_writeln("jay size %d", g_files[index].size);
|
|
g_snprintf(fn, 255, "%s", g_files[index].filename);
|
|
clipboard_out_unicode(s, fn, 256);
|
|
out_uint8s(s, 8); /* pad */
|
|
}
|
|
out_uint32_le(s, 0);
|
|
s_mark_end(s);
|
|
size = (int)(s->end - s->data);
|
|
//g_hexdump(s->data, size);
|
|
rv = send_channel_data(g_cliprdr_chan_id, s->data, size);
|
|
free_stream(s);
|
|
return rv;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
clipboard_send_file_size(int streamId, int lindex)
|
|
{
|
|
struct stream *s;
|
|
int size;
|
|
int rv;
|
|
int file_size;
|
|
|
|
file_size = g_files[lindex].size;
|
|
LLOGLN(10, ("clipboard_send_file_size: streamId %d file_size %d",
|
|
streamId, file_size));
|
|
make_stream(s);
|
|
init_stream(s, 8192);
|
|
out_uint16_le(s, CB_FILECONTENTS_RESPONSE); /* 9 */
|
|
out_uint16_le(s, CB_RESPONSE_OK); /* 1 status */
|
|
out_uint32_le(s, 12);
|
|
out_uint32_le(s, streamId);
|
|
out_uint32_le(s, file_size);
|
|
g_writeln("file_size %d", file_size);
|
|
out_uint32_le(s, 0);
|
|
out_uint32_le(s, 0);
|
|
s_mark_end(s);
|
|
size = (int)(s->end - s->data);
|
|
rv = send_channel_data(g_cliprdr_chan_id, s->data, size);
|
|
free_stream(s);
|
|
return rv;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
clipboard_send_file_data(int streamId, int lindex,
|
|
int nPositionLow, int cbRequested)
|
|
{
|
|
struct stream *s;
|
|
int size;
|
|
int rv;
|
|
int fd;
|
|
char full_fn[256];
|
|
|
|
LLOGLN(10, ("clipboard_send_file_data: streamId %d lindex %d "
|
|
"nPositionLow %d cbRequested %d", streamId, lindex,
|
|
nPositionLow, cbRequested));
|
|
g_snprintf(full_fn, 255, "%s/%s", g_files[lindex].pathname,
|
|
g_files[lindex].filename);
|
|
fd = g_file_open_ex(full_fn, 1, 0, 0, 0);
|
|
if (fd == -1)
|
|
{
|
|
LLOGLN(0, ("clipboard_send_file_data: file open [%s] failed",
|
|
full_fn));
|
|
return 1;
|
|
}
|
|
g_file_seek(fd, nPositionLow);
|
|
make_stream(s);
|
|
init_stream(s, cbRequested + 64);
|
|
//g_memset(s->data + 12, 26, cbRequested);
|
|
size = g_file_read(fd, s->data + 12, cbRequested);
|
|
//g_writeln("size %d", size);
|
|
if (size < 1)
|
|
{
|
|
LLOGLN(10, ("clipboard_send_file_data: read error, want %d got %d",
|
|
cbRequested, size));
|
|
free_stream(s);
|
|
g_file_close(fd);
|
|
return 1;
|
|
}
|
|
out_uint16_le(s, CB_FILECONTENTS_RESPONSE); /* 9 */
|
|
out_uint16_le(s, CB_RESPONSE_OK); /* 1 status */
|
|
out_uint32_le(s, size + 4);
|
|
out_uint32_le(s, streamId);
|
|
s->p += size;
|
|
out_uint32_le(s, 0);
|
|
s_mark_end(s);
|
|
size = (int)(s->end - s->data);
|
|
rv = send_channel_data(g_cliprdr_chan_id, s->data, size);
|
|
free_stream(s);
|
|
g_file_close(fd);
|
|
return rv;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
clipboard_process_file_request(struct stream *s, int clip_msg_status,
|
|
int clip_msg_len)
|
|
{
|
|
int streamId;
|
|
int lindex;
|
|
int dwFlags;
|
|
int nPositionLow;
|
|
int nPositionHigh;
|
|
int cbRequested;
|
|
//int clipDataId;
|
|
|
|
LLOGLN(10, ("clipboard_process_file_request:"));
|
|
//g_hexdump(s->p, clip_msg_len);
|
|
in_uint32_le(s, streamId);
|
|
in_uint32_le(s, lindex);
|
|
in_uint32_le(s, dwFlags);
|
|
in_uint32_le(s, nPositionLow);
|
|
in_uint32_le(s, nPositionHigh);
|
|
in_uint32_le(s, cbRequested);
|
|
//in_uint32_le(s, clipDataId); /* options, used when locking */
|
|
if (dwFlags & CB_FILECONTENTS_SIZE)
|
|
{
|
|
clipboard_send_file_size(streamId, lindex);
|
|
}
|
|
if (dwFlags & CB_FILECONTENTS_RANGE)
|
|
{
|
|
clipboard_send_file_data(streamId, lindex, nPositionLow, cbRequested);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* read in CLIPRDR_FILEDESCRIPTOR */
|
|
static int APP_CC
|
|
clipboard_c2s_in_file_info(struct stream *s, struct clip_file_desc *cfd)
|
|
{
|
|
int num_chars;
|
|
int ex_bytes;
|
|
|
|
in_uint32_le(s, cfd->flags);
|
|
in_uint8s(s, 32); /* reserved1 */
|
|
in_uint32_le(s, cfd->fileAttributes);
|
|
in_uint8s(s, 16); /* reserved2 */
|
|
in_uint32_le(s, cfd->lastWriteTimeLow);
|
|
in_uint32_le(s, cfd->lastWriteTimeHigh);
|
|
in_uint32_le(s, cfd->fileSizeHigh);
|
|
in_uint32_le(s, cfd->fileSizeLow);
|
|
num_chars = 256;
|
|
clipboard_in_unicode(s, cfd->cFileName, &num_chars);
|
|
ex_bytes = 512 - num_chars * 2;
|
|
ex_bytes -= 2;
|
|
in_uint8s(s, ex_bytes);
|
|
in_uint8s(s, 8); /* pad */
|
|
LLOGLN(10, ("clipboard_c2s_in_file_info:"));
|
|
LLOGLN(10, (" flags 0x%8.8x", cfd->flags));
|
|
LLOGLN(10, (" fileAttributes 0x%8.8x", cfd->fileAttributes));
|
|
LLOGLN(10, (" lastWriteTime 0x%8.8x%8.8x", cfd->lastWriteTimeHigh,
|
|
cfd->lastWriteTimeLow));
|
|
LLOGLN(10, (" fileSize 0x%8.8x%8.8x", cfd->fileSizeHigh,
|
|
cfd->fileSizeLow));
|
|
LLOGLN(10, (" num_chars %d cFileName [%s]", num_chars, cfd->cFileName));
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
clipboard_c2s_in_files(struct stream *s)
|
|
{
|
|
tui32 cItems;
|
|
struct clip_file_desc cfd;
|
|
int ino;
|
|
int index;
|
|
|
|
in_uint32_le(s, cItems);
|
|
g_file_items_count = cItems;
|
|
g_free(g_file_items);
|
|
g_file_items = g_malloc(sizeof(struct file_item) * g_file_items_count, 1);
|
|
LLOGLN(10, ("clipboard_c2s_in_files: cItems %d", cItems));
|
|
ino = 3;
|
|
index = 0;
|
|
while (cItems > 0)
|
|
{
|
|
clipboard_c2s_in_file_info(s, &cfd);
|
|
fuse_set_dir_item(index, cfd.cFileName, 0, "1\n", 2, ino);
|
|
index++;
|
|
ino++;
|
|
cItems--;
|
|
}
|
|
return 0;
|
|
}
|