/* if index = -1 remove it from the end */
int APP_CC
remove_char_at(char* text, int text_size, int index)
{
int len;
int i;
twchar* wstr;
len = g_mbstowcs(0, text, 0);
if (len <= 0)
{
return 0;
}
wstr = (twchar*)g_malloc((len + 16) * sizeof(twchar), 0);
g_mbstowcs(wstr, text, len + 1);
if ((index >= (len - 1)) || (index < 0))
{
wstr[len - 1] = 0;
g_wcstombs(text, wstr, text_size);
g_free(wstr);
return 0;
}
for (i = index; i < (len - 1); i++)
{
wstr[i] = wstr[i + 1];
}
wstr[len - 1] = 0;
g_wcstombs(text, wstr, text_size);
g_free(wstr);
return 0;
}
/* if index = -1 add it to the end */
int APP_CC
add_char_at(char* text, int text_size, twchar ch, int index)
{
int len;
int i;
twchar* wstr;
len = g_mbstowcs(0, text, 0);
wstr = (twchar*)g_malloc((len + 16) * sizeof(twchar), 0);
g_mbstowcs(wstr, text, len + 1);
if ((index >= len) || (index < 0))
{
wstr[len] = ch;
wstr[len + 1] = 0;
g_wcstombs(text, wstr, text_size);
g_free(wstr);
return 0;
}
for (i = (len - 1); i >= index; i--)
{
wstr[i + 1] = wstr[i];
}
wstr[i + 1] = ch;
wstr[len + 1] = 0;
g_wcstombs(text, wstr, text_size);
g_free(wstr);
return 0;
}
void APP_CC
devredir_cvt_to_unicode(char *unicode, const char *path)
{
char *dest;
char *src;
int rv;
int i;
rv = g_mbstowcs((twchar *) unicode, path, strlen(path));
/* unicode is typically 4 bytes, but microsoft only uses 2 bytes */
src = unicode + sizeof(twchar); /* skip 1st unicode char */
dest = unicode + 2; /* first char already in place */
for (i = 1; i < rv; i++)
{
*dest++ = *src++;
*dest++ = *src++;
src += 2;
}
*dest++ = 0;
*dest++ = 0;
}
/* returns error */
static int
xrdp_orders_send_as_unicode(struct stream *s, const char *text)
{
int str_chars;
int index;
int i32;
int len;
twchar *wdst;
len = g_strlen(text) + 1;
wdst = (twchar *) g_malloc(sizeof(twchar) * len, 1);
if (wdst == 0)
{
return 1;
}
str_chars = g_mbstowcs(wdst, text, len);
if (str_chars > 0)
{
i32 = str_chars * 2;
out_uint16_le(s, i32);
for (index = 0; index < str_chars; index++)
{
i32 = wdst[index];
out_uint16_le(s, i32);
}
}
else
{
out_uint16_le(s, 0);
}
g_free(wdst);
return 0;
}
// LK_TODO Path needs to be Unicode
void dev_redir_send_drive_dir_request(IRP *irp, tui32 device_id,
tui32 InitialQuery, char *Path)
{
struct stream *s;
int bytes;
char upath[4096]; // LK_TODO need to malloc this
int path_len = 0;
/* during Initial Query, Path cannot be NULL */
if (InitialQuery)
{
if (Path == NULL)
{
return;
}
/* Path in unicode needs this much space */
path_len = ((g_mbstowcs(NULL, Path, 0) * sizeof(twchar)) / 2) + 2;
devredir_cvt_to_unicode(upath, Path);
}
xstream_new(s, 1024 + path_len);
irp->completion_type = CID_DIRECTORY_CONTROL;
devredir_insert_DeviceIoRequest(s,
device_id,
irp->FileId,
irp->CompletionId,
IRP_MJ_DIRECTORY_CONTROL,
IRP_MN_QUERY_DIRECTORY);
#ifdef USE_SHORT_NAMES_IN_DIR_LISTING
xstream_wr_u32_le(s, FileBothDirectoryInformation); /* FsInformationClass */
#else
xstream_wr_u32_le(s, FileDirectoryInformation); /* FsInformationClass */
#endif
xstream_wr_u8(s, InitialQuery); /* InitialQuery */
if (!InitialQuery)
{
xstream_wr_u32_le(s, 0); /* PathLength */
xstream_seek(s, 23);
}
else
{
xstream_wr_u32_le(s, path_len); /* PathLength */
xstream_seek(s, 23); /* Padding */
xstream_wr_string(s, upath, path_len);
}
/* send to client */
bytes = xstream_len(s);
send_channel_data(g_rdpdr_chan_id, s->data, bytes);
xstream_free(s);
}
void APP_CC
devredir_proc_cid_rename_file(IRP *irp, tui32 IoStatus)
{
struct stream *s;
int bytes;
int sblen; /* SetBuffer length */
int flen; /* FileNameLength */
if (IoStatus != NT_STATUS_SUCCESS)
{
log_debug("rename returned with IoStatus=0x%x", IoStatus);
FUSE_DATA *fuse_data = devredir_fuse_data_dequeue(irp);
if (fuse_data)
{
xfuse_devredir_cb_rename_file(fuse_data->data_ptr, IoStatus);
free(fuse_data);
}
devredir_irp_delete(irp);
return;
}
/* Path in unicode needs this much space */
flen = ((g_mbstowcs(NULL, irp->gen_buf, 0) * sizeof(twchar)) / 2) + 2;
sblen = 6 + flen;
xstream_new(s, 1024 + flen);
irp->completion_type = CID_RENAME_FILE_RESP;
devredir_insert_DeviceIoRequest(s, irp->DeviceId, irp->FileId,
irp->CompletionId,
IRP_MJ_SET_INFORMATION, 0);
xstream_wr_u32_le(s, FileRenameInformation);
xstream_wr_u32_le(s, sblen); /* number of bytes after padding */
xstream_seek(s, 24); /* padding */
xstream_wr_u8(s, 1); /* ReplaceIfExists */
xstream_wr_u8(s, 0); /* RootDirectory */
xstream_wr_u32_le(s, flen); /* FileNameLength */
/* filename in unicode */
devredir_cvt_to_unicode(s->p, irp->gen_buf); /* UNICODE_TODO */
xstream_seek(s, flen);
/* send to client */
bytes = xstream_len(s);
send_channel_data(g_rdpdr_chan_id, s->data, bytes);
xstream_free(s);
return;
}
int dev_redir_send_drive_create_request(tui32 device_id,
const char *path,
tui32 DesiredAccess,
tui32 CreateOptions,
tui32 CreateDisposition,
tui32 completion_id)
{
struct stream *s;
int bytes;
int len;
log_debug("DesiredAccess=0x%x CreateDisposition=0x%x CreateOptions=0x%x",
DesiredAccess, CreateDisposition, CreateOptions);
/* path in unicode needs this much space */
len = ((g_mbstowcs(NULL, path, 0) * sizeof(twchar)) / 2) + 2;
xstream_new(s, 1024 + len);
devredir_insert_DeviceIoRequest(s,
device_id,
0,
completion_id,
IRP_MJ_CREATE,
0);
xstream_wr_u32_le(s, DesiredAccess); /* DesiredAccess */
xstream_wr_u32_le(s, 0); /* AllocationSize high unused */
xstream_wr_u32_le(s, 0); /* AllocationSize low unused */
xstream_wr_u32_le(s, 0); /* FileAttributes */
xstream_wr_u32_le(s, 3); /* SharedAccess LK_TODO */
xstream_wr_u32_le(s, CreateDisposition); /* CreateDisposition */
xstream_wr_u32_le(s, CreateOptions); /* CreateOptions */
xstream_wr_u32_le(s, len); /* PathLength */
devredir_cvt_to_unicode(s->p, path); /* path in unicode */
xstream_seek(s, len);
/* send to client */
bytes = xstream_len(s);
send_channel_data(g_rdpdr_chan_id, s->data, bytes);
xstream_free(s);
return 0;
}
static int
xrdp_orders_get_unicode_bytes(const char *text)
{
int num_chars;
num_chars = g_mbstowcs(0, text, 0);
if (num_chars < 0)
{
/* g_mbstowcs failed, we ignore that text by returning zero bytes */
num_chars = 0;
}
else
{
/* calculate the number of bytes of the resulting null-terminated wide-string */
num_chars = (num_chars + 1) * 2;
}
return num_chars;
}
