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/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
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Copyright (C) Matthew Chapman 1999-2008 |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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/* |
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Here are some resources, for your IRP hacking pleasure: |
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http://cvs.sourceforge.net/viewcvs.py/mingw/w32api/include/ddk/winddk.h?view=markup |
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http://win32.mvps.org/ntfs/streams.cpp |
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http://www.acc.umu.se/~bosse/ntifs.h |
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http://undocumented.ntinternals.net/UserMode/Undocumented%20Functions/NT%20Objects/File/ |
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|
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http://us1.samba.org/samba/ftp/specs/smb-nt01.txt |
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http://www.osronline.com/ |
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*/ |
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#include <unistd.h> |
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#include <sys/types.h> |
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#include <sys/time.h> |
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#include <dirent.h> /* opendir, closedir, readdir */ |
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#include <time.h> |
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#include <errno.h> |
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#include "rdesktop.h" |
#include "rdesktop.h" |
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|
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#define IRP_MJ_CREATE 0x00 |
#define IRP_MJ_CREATE 0x00 |
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#define IRP_MJ_CLOSE 0x02 |
#define IRP_MJ_CLOSE 0x02 |
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#define IRP_MJ_READ 0x03 |
#define IRP_MJ_READ 0x03 |
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#define IRP_MJ_WRITE 0x04 |
#define IRP_MJ_WRITE 0x04 |
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#define IRP_MJ_DEVICE_CONTROL 0x0e |
#define IRP_MJ_QUERY_INFORMATION 0x05 |
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#define IRP_MJ_SET_INFORMATION 0x06 |
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#define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a |
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#define IRP_MJ_DIRECTORY_CONTROL 0x0c |
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#define IRP_MJ_DEVICE_CONTROL 0x0e |
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#define IRP_MJ_LOCK_CONTROL 0x11 |
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|
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extern char hostname[16]; |
#define IRP_MN_QUERY_DIRECTORY 0x01 |
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#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
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|
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extern char g_hostname[16]; |
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extern DEVICE_FNS serial_fns; |
extern DEVICE_FNS serial_fns; |
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extern DEVICE_FNS printer_fns; |
extern DEVICE_FNS printer_fns; |
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extern DEVICE_FNS parallel_fns; |
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extern DEVICE_FNS disk_fns; |
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#ifdef WITH_SCARD |
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extern DEVICE_FNS scard_fns; |
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#endif |
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extern FILEINFO g_fileinfo[]; |
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extern RD_BOOL g_notify_stamp; |
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|
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static VCHANNEL *rdpdr_channel; |
static VCHANNEL *rdpdr_channel; |
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|
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/* If select() times out, the request for the device with handle g_min_timeout_fd is aborted */ |
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RD_NTHANDLE g_min_timeout_fd; |
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uint32 g_num_devices; |
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|
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/* Table with information about rdpdr devices */ |
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RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
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char *g_rdpdr_clientname = NULL; |
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|
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/* Used to store incoming io request, until they are ready to be completed */ |
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/* using a linked list ensures that they are processed in the right order, */ |
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/* if multiple ios are being done on the same fd */ |
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struct async_iorequest |
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{ |
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uint32 fd, major, minor, offset, device, id, length, partial_len; |
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long timeout, /* Total timeout */ |
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itv_timeout; /* Interval timeout (between serial characters) */ |
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uint8 *buffer; |
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DEVICE_FNS *fns; |
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|
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struct async_iorequest *next; /* next element in list */ |
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}; |
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struct async_iorequest *g_iorequest; |
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|
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/* Return device_id for a given handle */ |
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int |
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get_device_index(RD_NTHANDLE handle) |
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{ |
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int i; |
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for (i = 0; i < RDPDR_MAX_DEVICES; i++) |
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{ |
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if (g_rdpdr_device[i].handle == handle) |
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return i; |
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} |
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return -1; |
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} |
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|
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/* Converts a windows path to a unix path */ |
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void |
void |
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convert_to_unix_filename(char *filename) |
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{ |
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char *p; |
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|
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while ((p = strchr(filename, '\\'))) |
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{ |
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*p = '/'; |
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} |
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} |
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|
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static RD_BOOL |
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rdpdr_handle_ok(int device, int handle) |
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{ |
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switch (g_rdpdr_device[device].device_type) |
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{ |
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case DEVICE_TYPE_PARALLEL: |
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case DEVICE_TYPE_SERIAL: |
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case DEVICE_TYPE_PRINTER: |
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case DEVICE_TYPE_SCARD: |
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if (g_rdpdr_device[device].handle != handle) |
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return False; |
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break; |
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case DEVICE_TYPE_DISK: |
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if (g_fileinfo[handle].device_id != device) |
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return False; |
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break; |
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} |
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return True; |
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} |
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|
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/* Add a new io request to the table containing pending io requests so it won't block rdesktop */ |
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static RD_BOOL |
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add_async_iorequest(uint32 device, uint32 file, uint32 id, uint32 major, uint32 length, |
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DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer, |
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uint32 offset) |
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{ |
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struct async_iorequest *iorq; |
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|
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if (g_iorequest == NULL) |
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{ |
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g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
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if (!g_iorequest) |
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return False; |
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g_iorequest->fd = 0; |
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g_iorequest->next = NULL; |
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} |
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|
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iorq = g_iorequest; |
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|
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while (iorq->fd != 0) |
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{ |
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/* create new element if needed */ |
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if (iorq->next == NULL) |
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{ |
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iorq->next = |
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(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
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if (!iorq->next) |
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return False; |
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iorq->next->fd = 0; |
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iorq->next->next = NULL; |
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} |
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iorq = iorq->next; |
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} |
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iorq->device = device; |
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iorq->fd = file; |
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iorq->id = id; |
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iorq->major = major; |
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iorq->length = length; |
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iorq->partial_len = 0; |
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iorq->fns = fns; |
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iorq->timeout = total_timeout; |
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iorq->itv_timeout = interval_timeout; |
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iorq->buffer = buffer; |
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iorq->offset = offset; |
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return True; |
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} |
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|
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static void |
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rdpdr_send_connect(void) |
rdpdr_send_connect(void) |
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{ |
{ |
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uint8 magic[4] = "rDCC"; |
uint8 magic[4] = "rDCC"; |
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channel_send(s, rdpdr_channel); |
channel_send(s, rdpdr_channel); |
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} |
} |
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|
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void |
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static void |
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rdpdr_send_name(void) |
rdpdr_send_name(void) |
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{ |
{ |
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uint8 magic[4] = "rDNC"; |
uint8 magic[4] = "rDNC"; |
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uint32 hostlen = (strlen(hostname) + 1) * 2; |
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STREAM s; |
STREAM s; |
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uint32 hostlen; |
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|
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if (NULL == g_rdpdr_clientname) |
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{ |
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g_rdpdr_clientname = g_hostname; |
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} |
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hostlen = (strlen(g_rdpdr_clientname) + 1) * 2; |
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|
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s = channel_init(rdpdr_channel, 16 + hostlen); |
s = channel_init(rdpdr_channel, 16 + hostlen); |
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out_uint8a(s, magic, 4); |
out_uint8a(s, magic, 4); |
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out_uint16_le(s, 0x72); |
out_uint16_le(s, 0x72); |
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out_uint32(s, 0); |
out_uint32(s, 0); |
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out_uint32_le(s, hostlen); |
out_uint32_le(s, hostlen); |
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rdp_out_unistr(s, hostname, hostlen - 2); |
rdp_out_unistr(s, g_rdpdr_clientname, hostlen - 2); |
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s_mark_end(s); |
s_mark_end(s); |
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channel_send(s, rdpdr_channel); |
channel_send(s, rdpdr_channel); |
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} |
} |
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|
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void |
/* Returns the size of the payload of the announce packet */ |
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static int |
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announcedata_size() |
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{ |
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int size, i; |
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PRINTER *printerinfo; |
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|
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size = 8; /* static announce size */ |
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size += g_num_devices * 0x14; |
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|
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for (i = 0; i < g_num_devices; i++) |
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{ |
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if (g_rdpdr_device[i].device_type == DEVICE_TYPE_PRINTER) |
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{ |
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printerinfo = (PRINTER *) g_rdpdr_device[i].pdevice_data; |
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printerinfo->bloblen = |
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printercache_load_blob(printerinfo->printer, &(printerinfo->blob)); |
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|
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size += 0x18; |
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size += 2 * strlen(printerinfo->driver) + 2; |
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size += 2 * strlen(printerinfo->printer) + 2; |
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size += printerinfo->bloblen; |
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} |
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} |
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|
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return size; |
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} |
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|
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static void |
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rdpdr_send_available(void) |
rdpdr_send_available(void) |
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{ |
{ |
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|
|
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uint8 magic[4] = "rDAD"; |
uint8 magic[4] = "rDAD"; |
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char *driver = "Digital turbo PrintServer 20"; /* Fairly generic PostScript driver */ |
uint32 driverlen, printerlen, bloblen; |
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char *printer = "PostScript"; |
int i; |
|
uint32 driverlen = (strlen(driver) + 1) * 2; |
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uint32 printerlen = (strlen(printer) + 1) * 2; |
|
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STREAM s; |
STREAM s; |
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|
PRINTER *printerinfo; |
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|
|
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s = channel_init(rdpdr_channel, 8 + 20); |
s = channel_init(rdpdr_channel, announcedata_size()); |
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out_uint8a(s, magic, 4); |
out_uint8a(s, magic, 4); |
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out_uint32_le(s, 1); /* Number of devices */ |
out_uint32_le(s, g_num_devices); |
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|
|
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#if 1 |
for (i = 0; i < g_num_devices; i++) |
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out_uint32_le(s, 0x1); /* Device type 0x1 - serial */ |
{ |
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out_uint32_le(s, 0); /* Handle */ |
out_uint32_le(s, g_rdpdr_device[i].device_type); |
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out_uint8p(s, "COM4", 4); |
out_uint32_le(s, i); /* RDP Device ID */ |
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out_uint8s(s, 4); /* Pad to 8 */ |
/* Is it possible to use share names longer than 8 chars? |
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out_uint32(s, 0); |
/astrand */ |
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#endif |
out_uint8p(s, g_rdpdr_device[i].name, 8); |
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#if 0 |
|
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out_uint32_le(s, 0x2); /* Device type 0x2 - parallel */ |
switch (g_rdpdr_device[i].device_type) |
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out_uint32_le(s, 0); |
{ |
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out_uint8p(s, "LPT2", 4); |
case DEVICE_TYPE_PRINTER: |
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out_uint8s(s, 4); |
printerinfo = (PRINTER *) g_rdpdr_device[i].pdevice_data; |
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out_uint32(s, 0); |
|
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#endif |
driverlen = 2 * strlen(printerinfo->driver) + 2; |
| 283 |
#if 1 |
printerlen = 2 * strlen(printerinfo->printer) + 2; |
| 284 |
out_uint32_le(s, 0x4); /* Device type 0x4 - printer */ |
bloblen = printerinfo->bloblen; |
| 285 |
out_uint32_le(s, 1); |
|
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out_uint8p(s, "PRN1", 4); |
out_uint32_le(s, 24 + driverlen + printerlen + bloblen); /* length of extra info */ |
| 287 |
out_uint8s(s, 4); |
out_uint32_le(s, printerinfo->default_printer ? 2 : 0); |
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out_uint32_le(s, 24 + driverlen + printerlen); /* length of extra info */ |
out_uint8s(s, 8); /* unknown */ |
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out_uint32_le(s, 2); /* unknown */ |
out_uint32_le(s, driverlen); |
| 290 |
out_uint8s(s, 8); /* unknown */ |
out_uint32_le(s, printerlen); |
| 291 |
out_uint32_le(s, driverlen); /* length of driver name */ |
out_uint32_le(s, bloblen); |
| 292 |
out_uint32_le(s, printerlen); /* length of printer name */ |
rdp_out_unistr(s, printerinfo->driver, driverlen - 2); |
| 293 |
out_uint32(s, 0); /* unknown */ |
rdp_out_unistr(s, printerinfo->printer, printerlen - 2); |
| 294 |
rdp_out_unistr(s, driver, driverlen - 2); |
out_uint8a(s, printerinfo->blob, bloblen); |
| 295 |
rdp_out_unistr(s, printer, printerlen - 2); |
|
| 296 |
#endif |
if (printerinfo->blob) |
| 297 |
#if 0 |
xfree(printerinfo->blob); /* Blob is sent twice if reconnecting */ |
| 298 |
out_uint32_le(s, 0x8); /* Device type 0x8 - disk */ |
break; |
| 299 |
out_uint32_le(s, 0); |
default: |
| 300 |
out_uint8p(s, "Z:", 2); |
out_uint32(s, 0); |
| 301 |
out_uint8s(s, 6); |
} |
| 302 |
out_uint32(s, 0); |
} |
|
#endif |
|
| 303 |
#if 0 |
#if 0 |
| 304 |
out_uint32_le(s, 0x20); /* Device type 0x20 - smart card */ |
out_uint32_le(s, 0x20); /* Device type 0x20 - smart card */ |
| 305 |
out_uint32_le(s, 0); |
out_uint32_le(s, 0); |
| 319 |
uint8 magic[4] = "rDCI"; |
uint8 magic[4] = "rDCI"; |
| 320 |
STREAM s; |
STREAM s; |
| 321 |
|
|
| 322 |
|
#ifdef WITH_SCARD |
| 323 |
|
scard_lock(SCARD_LOCK_RDPDR); |
| 324 |
|
#endif |
| 325 |
s = channel_init(rdpdr_channel, 20 + length); |
s = channel_init(rdpdr_channel, 20 + length); |
| 326 |
out_uint8a(s, magic, 4); |
out_uint8a(s, magic, 4); |
| 327 |
out_uint32_le(s, device); |
out_uint32_le(s, device); |
| 330 |
out_uint32_le(s, result); |
out_uint32_le(s, result); |
| 331 |
out_uint8p(s, buffer, length); |
out_uint8p(s, buffer, length); |
| 332 |
s_mark_end(s); |
s_mark_end(s); |
| 333 |
hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8); |
/* JIF */ |
| 334 |
|
#ifdef WITH_DEBUG_RDP5 |
| 335 |
|
printf("--> rdpdr_send_completion\n"); |
| 336 |
|
/* hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8); */ |
| 337 |
|
#endif |
| 338 |
channel_send(s, rdpdr_channel); |
channel_send(s, rdpdr_channel); |
| 339 |
|
#ifdef WITH_SCARD |
| 340 |
|
scard_unlock(SCARD_LOCK_RDPDR); |
| 341 |
|
#endif |
| 342 |
} |
} |
| 343 |
|
|
| 344 |
static void |
static void |
| 345 |
rdpdr_process_irp(STREAM s) |
rdpdr_process_irp(STREAM s) |
| 346 |
{ |
{ |
| 347 |
uint32 device, file, id, major, minor; |
uint32 result = 0, |
| 348 |
NTSTATUS status = STATUS_INVALID_DEVICE_REQUEST; |
length = 0, |
| 349 |
uint32 result = 0, length, request, bytes_in, bytes_out; |
desired_access = 0, |
| 350 |
uint8 buffer[256]; |
request, |
| 351 |
uint32 buffer_len = 1; |
file, |
| 352 |
|
info_level, |
| 353 |
|
buffer_len, |
| 354 |
|
id, |
| 355 |
|
major, |
| 356 |
|
minor, |
| 357 |
|
device, |
| 358 |
|
offset, |
| 359 |
|
bytes_in, |
| 360 |
|
bytes_out, |
| 361 |
|
error_mode, |
| 362 |
|
share_mode, disposition, total_timeout, interval_timeout, flags_and_attributes = 0; |
| 363 |
|
|
| 364 |
|
char filename[PATH_MAX]; |
| 365 |
|
uint8 *buffer, *pst_buf; |
| 366 |
struct stream out; |
struct stream out; |
| 367 |
DEVICE_FNS *fns; |
DEVICE_FNS *fns; |
| 368 |
|
RD_BOOL rw_blocking = True; |
| 369 |
|
RD_NTSTATUS status = RD_STATUS_INVALID_DEVICE_REQUEST; |
| 370 |
|
|
| 371 |
in_uint32_le(s, device); |
in_uint32_le(s, device); |
| 372 |
in_uint32_le(s, file); |
in_uint32_le(s, file); |
| 374 |
in_uint32_le(s, major); |
in_uint32_le(s, major); |
| 375 |
in_uint32_le(s, minor); |
in_uint32_le(s, minor); |
| 376 |
|
|
| 377 |
memset(buffer, 0, sizeof(buffer)); |
buffer_len = 0; |
| 378 |
|
buffer = (uint8 *) xmalloc(1024); |
| 379 |
|
buffer[0] = 0; |
| 380 |
|
|
| 381 |
/* FIXME: this should probably be a more dynamic mapping */ |
switch (g_rdpdr_device[device].device_type) |
|
switch (device) |
|
| 382 |
{ |
{ |
| 383 |
case 0: |
case DEVICE_TYPE_SERIAL: |
| 384 |
|
|
| 385 |
fns = &serial_fns; |
fns = &serial_fns; |
| 386 |
case 1: |
rw_blocking = False; |
| 387 |
|
break; |
| 388 |
|
|
| 389 |
|
case DEVICE_TYPE_PARALLEL: |
| 390 |
|
|
| 391 |
|
fns = ¶llel_fns; |
| 392 |
|
rw_blocking = False; |
| 393 |
|
break; |
| 394 |
|
|
| 395 |
|
case DEVICE_TYPE_PRINTER: |
| 396 |
|
|
| 397 |
fns = &printer_fns; |
fns = &printer_fns; |
| 398 |
|
break; |
| 399 |
|
|
| 400 |
|
case DEVICE_TYPE_DISK: |
| 401 |
|
|
| 402 |
|
fns = &disk_fns; |
| 403 |
|
rw_blocking = False; |
| 404 |
|
break; |
| 405 |
|
|
| 406 |
|
case DEVICE_TYPE_SCARD: |
| 407 |
|
#ifdef WITH_SCARD |
| 408 |
|
fns = &scard_fns; |
| 409 |
|
rw_blocking = False; |
| 410 |
|
break; |
| 411 |
|
#endif |
| 412 |
default: |
default: |
| 413 |
|
|
| 414 |
error("IRP for bad device %ld\n", device); |
error("IRP for bad device %ld\n", device); |
| 415 |
return; |
return; |
| 416 |
} |
} |
| 418 |
switch (major) |
switch (major) |
| 419 |
{ |
{ |
| 420 |
case IRP_MJ_CREATE: |
case IRP_MJ_CREATE: |
| 421 |
if (fns->create) |
|
| 422 |
status = fns->create(&result); |
in_uint32_be(s, desired_access); |
| 423 |
|
in_uint8s(s, 0x08); /* unknown */ |
| 424 |
|
in_uint32_le(s, error_mode); |
| 425 |
|
in_uint32_le(s, share_mode); |
| 426 |
|
in_uint32_le(s, disposition); |
| 427 |
|
in_uint32_le(s, flags_and_attributes); |
| 428 |
|
in_uint32_le(s, length); |
| 429 |
|
|
| 430 |
|
if (length && (length / 2) < 256) |
| 431 |
|
{ |
| 432 |
|
rdp_in_unistr(s, filename, sizeof(filename), length); |
| 433 |
|
convert_to_unix_filename(filename); |
| 434 |
|
} |
| 435 |
|
else |
| 436 |
|
{ |
| 437 |
|
filename[0] = 0; |
| 438 |
|
} |
| 439 |
|
|
| 440 |
|
if (!fns->create) |
| 441 |
|
{ |
| 442 |
|
status = RD_STATUS_NOT_SUPPORTED; |
| 443 |
|
break; |
| 444 |
|
} |
| 445 |
|
|
| 446 |
|
status = fns->create(device, desired_access, share_mode, disposition, |
| 447 |
|
flags_and_attributes, filename, &result); |
| 448 |
|
buffer_len = 1; |
| 449 |
break; |
break; |
| 450 |
|
|
| 451 |
case IRP_MJ_CLOSE: |
case IRP_MJ_CLOSE: |
| 452 |
if (fns->close) |
if (!fns->close) |
| 453 |
status = fns->close(file); |
{ |
| 454 |
|
status = RD_STATUS_NOT_SUPPORTED; |
| 455 |
|
break; |
| 456 |
|
} |
| 457 |
|
|
| 458 |
|
status = fns->close(file); |
| 459 |
break; |
break; |
| 460 |
|
|
| 461 |
case IRP_MJ_READ: |
case IRP_MJ_READ: |
| 462 |
if (fns->read) |
|
| 463 |
|
if (!fns->read) |
| 464 |
|
{ |
| 465 |
|
status = RD_STATUS_NOT_SUPPORTED; |
| 466 |
|
break; |
| 467 |
|
} |
| 468 |
|
|
| 469 |
|
in_uint32_le(s, length); |
| 470 |
|
in_uint32_le(s, offset); |
| 471 |
|
#if WITH_DEBUG_RDP5 |
| 472 |
|
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
| 473 |
|
#endif |
| 474 |
|
if (!rdpdr_handle_ok(device, file)) |
| 475 |
|
{ |
| 476 |
|
status = RD_STATUS_INVALID_HANDLE; |
| 477 |
|
break; |
| 478 |
|
} |
| 479 |
|
|
| 480 |
|
if (rw_blocking) /* Complete read immediately */ |
| 481 |
{ |
{ |
| 482 |
if (length > sizeof(buffer)) |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
| 483 |
length = sizeof(buffer); |
if (!buffer) |
| 484 |
status = fns->read(file, buffer, length, &result); |
{ |
| 485 |
|
status = RD_STATUS_CANCELLED; |
| 486 |
|
break; |
| 487 |
|
} |
| 488 |
|
status = fns->read(file, buffer, length, offset, &result); |
| 489 |
buffer_len = result; |
buffer_len = result; |
| 490 |
|
break; |
| 491 |
} |
} |
|
break; |
|
| 492 |
|
|
| 493 |
|
/* Add request to table */ |
| 494 |
|
pst_buf = (uint8 *) xmalloc(length); |
| 495 |
|
if (!pst_buf) |
| 496 |
|
{ |
| 497 |
|
status = RD_STATUS_CANCELLED; |
| 498 |
|
break; |
| 499 |
|
} |
| 500 |
|
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
| 501 |
|
if (add_async_iorequest |
| 502 |
|
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
| 503 |
|
pst_buf, offset)) |
| 504 |
|
{ |
| 505 |
|
status = RD_STATUS_PENDING; |
| 506 |
|
break; |
| 507 |
|
} |
| 508 |
|
|
| 509 |
|
status = RD_STATUS_CANCELLED; |
| 510 |
|
break; |
| 511 |
case IRP_MJ_WRITE: |
case IRP_MJ_WRITE: |
| 512 |
if (fns->write) |
|
| 513 |
status = fns->write(file, s->p, length, &result); |
buffer_len = 1; |
| 514 |
|
|
| 515 |
|
if (!fns->write) |
| 516 |
|
{ |
| 517 |
|
status = RD_STATUS_NOT_SUPPORTED; |
| 518 |
|
break; |
| 519 |
|
} |
| 520 |
|
|
| 521 |
|
in_uint32_le(s, length); |
| 522 |
|
in_uint32_le(s, offset); |
| 523 |
|
in_uint8s(s, 0x18); |
| 524 |
|
#if WITH_DEBUG_RDP5 |
| 525 |
|
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
| 526 |
|
#endif |
| 527 |
|
if (!rdpdr_handle_ok(device, file)) |
| 528 |
|
{ |
| 529 |
|
status = RD_STATUS_INVALID_HANDLE; |
| 530 |
|
break; |
| 531 |
|
} |
| 532 |
|
|
| 533 |
|
if (rw_blocking) /* Complete immediately */ |
| 534 |
|
{ |
| 535 |
|
status = fns->write(file, s->p, length, offset, &result); |
| 536 |
|
break; |
| 537 |
|
} |
| 538 |
|
|
| 539 |
|
/* Add to table */ |
| 540 |
|
pst_buf = (uint8 *) xmalloc(length); |
| 541 |
|
if (!pst_buf) |
| 542 |
|
{ |
| 543 |
|
status = RD_STATUS_CANCELLED; |
| 544 |
|
break; |
| 545 |
|
} |
| 546 |
|
|
| 547 |
|
in_uint8a(s, pst_buf, length); |
| 548 |
|
|
| 549 |
|
if (add_async_iorequest |
| 550 |
|
(device, file, id, major, length, fns, 0, 0, pst_buf, offset)) |
| 551 |
|
{ |
| 552 |
|
status = RD_STATUS_PENDING; |
| 553 |
|
break; |
| 554 |
|
} |
| 555 |
|
|
| 556 |
|
status = RD_STATUS_CANCELLED; |
| 557 |
|
break; |
| 558 |
|
|
| 559 |
|
case IRP_MJ_QUERY_INFORMATION: |
| 560 |
|
|
| 561 |
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
| 562 |
|
{ |
| 563 |
|
status = RD_STATUS_INVALID_HANDLE; |
| 564 |
|
break; |
| 565 |
|
} |
| 566 |
|
in_uint32_le(s, info_level); |
| 567 |
|
|
| 568 |
|
out.data = out.p = buffer; |
| 569 |
|
out.size = sizeof(buffer); |
| 570 |
|
status = disk_query_information(file, info_level, &out); |
| 571 |
|
result = buffer_len = out.p - out.data; |
| 572 |
|
|
| 573 |
|
break; |
| 574 |
|
|
| 575 |
|
case IRP_MJ_SET_INFORMATION: |
| 576 |
|
|
| 577 |
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
| 578 |
|
{ |
| 579 |
|
status = RD_STATUS_INVALID_HANDLE; |
| 580 |
|
break; |
| 581 |
|
} |
| 582 |
|
|
| 583 |
|
in_uint32_le(s, info_level); |
| 584 |
|
|
| 585 |
|
out.data = out.p = buffer; |
| 586 |
|
out.size = sizeof(buffer); |
| 587 |
|
status = disk_set_information(file, info_level, s, &out); |
| 588 |
|
result = buffer_len = out.p - out.data; |
| 589 |
|
break; |
| 590 |
|
|
| 591 |
|
case IRP_MJ_QUERY_VOLUME_INFORMATION: |
| 592 |
|
|
| 593 |
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
| 594 |
|
{ |
| 595 |
|
status = RD_STATUS_INVALID_HANDLE; |
| 596 |
|
break; |
| 597 |
|
} |
| 598 |
|
|
| 599 |
|
in_uint32_le(s, info_level); |
| 600 |
|
|
| 601 |
|
out.data = out.p = buffer; |
| 602 |
|
out.size = sizeof(buffer); |
| 603 |
|
status = disk_query_volume_information(file, info_level, &out); |
| 604 |
|
result = buffer_len = out.p - out.data; |
| 605 |
|
break; |
| 606 |
|
|
| 607 |
|
case IRP_MJ_DIRECTORY_CONTROL: |
| 608 |
|
|
| 609 |
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
| 610 |
|
{ |
| 611 |
|
status = RD_STATUS_INVALID_HANDLE; |
| 612 |
|
break; |
| 613 |
|
} |
| 614 |
|
|
| 615 |
|
switch (minor) |
| 616 |
|
{ |
| 617 |
|
case IRP_MN_QUERY_DIRECTORY: |
| 618 |
|
|
| 619 |
|
in_uint32_le(s, info_level); |
| 620 |
|
in_uint8s(s, 1); |
| 621 |
|
in_uint32_le(s, length); |
| 622 |
|
in_uint8s(s, 0x17); |
| 623 |
|
if (length && length < 2 * 255) |
| 624 |
|
{ |
| 625 |
|
rdp_in_unistr(s, filename, sizeof(filename), |
| 626 |
|
length); |
| 627 |
|
convert_to_unix_filename(filename); |
| 628 |
|
} |
| 629 |
|
else |
| 630 |
|
{ |
| 631 |
|
filename[0] = 0; |
| 632 |
|
} |
| 633 |
|
out.data = out.p = buffer; |
| 634 |
|
out.size = sizeof(buffer); |
| 635 |
|
status = disk_query_directory(file, info_level, filename, |
| 636 |
|
&out); |
| 637 |
|
result = buffer_len = out.p - out.data; |
| 638 |
|
if (!buffer_len) |
| 639 |
|
buffer_len++; |
| 640 |
|
break; |
| 641 |
|
|
| 642 |
|
case IRP_MN_NOTIFY_CHANGE_DIRECTORY: |
| 643 |
|
|
| 644 |
|
/* JIF |
| 645 |
|
unimpl("IRP major=0x%x minor=0x%x: IRP_MN_NOTIFY_CHANGE_DIRECTORY\n", major, minor); */ |
| 646 |
|
|
| 647 |
|
in_uint32_le(s, info_level); /* notify mask */ |
| 648 |
|
|
| 649 |
|
status = disk_create_notify(file, info_level); |
| 650 |
|
result = 0; |
| 651 |
|
|
| 652 |
|
if (status == RD_STATUS_PENDING) |
| 653 |
|
add_async_iorequest(device, file, id, major, length, |
| 654 |
|
fns, 0, 0, NULL, 0); |
| 655 |
|
break; |
| 656 |
|
|
| 657 |
|
default: |
| 658 |
|
|
| 659 |
|
status = RD_STATUS_INVALID_PARAMETER; |
| 660 |
|
/* JIF */ |
| 661 |
|
unimpl("IRP major=0x%x minor=0x%x\n", major, minor); |
| 662 |
|
} |
| 663 |
break; |
break; |
| 664 |
|
|
| 665 |
case IRP_MJ_DEVICE_CONTROL: |
case IRP_MJ_DEVICE_CONTROL: |
| 666 |
if (fns->device_control) |
|
| 667 |
|
if (!fns->device_control) |
| 668 |
{ |
{ |
| 669 |
in_uint32_le(s, bytes_out); |
status = RD_STATUS_NOT_SUPPORTED; |
| 670 |
in_uint32_le(s, bytes_in); |
break; |
|
in_uint32_le(s, request); |
|
|
in_uint8s(s, 0x14); |
|
|
out.data = out.p = buffer; |
|
|
out.size = sizeof(buffer); |
|
|
status = fns->device_control(file, request, s, &out); |
|
|
result = buffer_len = out.p - out.data; |
|
| 671 |
} |
} |
| 672 |
|
|
| 673 |
|
in_uint32_le(s, bytes_out); |
| 674 |
|
in_uint32_le(s, bytes_in); |
| 675 |
|
in_uint32_le(s, request); |
| 676 |
|
in_uint8s(s, 0x14); |
| 677 |
|
|
| 678 |
|
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
| 679 |
|
if (!buffer) |
| 680 |
|
{ |
| 681 |
|
status = RD_STATUS_CANCELLED; |
| 682 |
|
break; |
| 683 |
|
} |
| 684 |
|
|
| 685 |
|
out.data = out.p = buffer; |
| 686 |
|
out.size = sizeof(buffer); |
| 687 |
|
|
| 688 |
|
#ifdef WITH_SCARD |
| 689 |
|
scardSetInfo(device, id, bytes_out + 0x14); |
| 690 |
|
#endif |
| 691 |
|
status = fns->device_control(file, request, s, &out); |
| 692 |
|
result = buffer_len = out.p - out.data; |
| 693 |
|
|
| 694 |
|
/* Serial SERIAL_WAIT_ON_MASK */ |
| 695 |
|
if (status == RD_STATUS_PENDING) |
| 696 |
|
{ |
| 697 |
|
if (add_async_iorequest |
| 698 |
|
(device, file, id, major, length, fns, 0, 0, NULL, 0)) |
| 699 |
|
{ |
| 700 |
|
status = RD_STATUS_PENDING; |
| 701 |
|
break; |
| 702 |
|
} |
| 703 |
|
} |
| 704 |
|
#ifdef WITH_SCARD |
| 705 |
|
else if (status == (RD_STATUS_PENDING | 0xC0000000)) |
| 706 |
|
status = RD_STATUS_PENDING; |
| 707 |
|
#endif |
| 708 |
|
break; |
| 709 |
|
|
| 710 |
|
|
| 711 |
|
case IRP_MJ_LOCK_CONTROL: |
| 712 |
|
|
| 713 |
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
| 714 |
|
{ |
| 715 |
|
status = RD_STATUS_INVALID_HANDLE; |
| 716 |
|
break; |
| 717 |
|
} |
| 718 |
|
|
| 719 |
|
in_uint32_le(s, info_level); |
| 720 |
|
|
| 721 |
|
out.data = out.p = buffer; |
| 722 |
|
out.size = sizeof(buffer); |
| 723 |
|
/* FIXME: Perhaps consider actually *do* |
| 724 |
|
something here :-) */ |
| 725 |
|
status = RD_STATUS_SUCCESS; |
| 726 |
|
result = buffer_len = out.p - out.data; |
| 727 |
break; |
break; |
| 728 |
|
|
| 729 |
default: |
default: |
| 731 |
break; |
break; |
| 732 |
} |
} |
| 733 |
|
|
| 734 |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
if (status != RD_STATUS_PENDING) |
| 735 |
|
{ |
| 736 |
|
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
| 737 |
|
} |
| 738 |
|
if (buffer) |
| 739 |
|
xfree(buffer); |
| 740 |
|
buffer = NULL; |
| 741 |
|
} |
| 742 |
|
|
| 743 |
|
static void |
| 744 |
|
rdpdr_send_clientcapabilty(void) |
| 745 |
|
{ |
| 746 |
|
uint8 magic[4] = "rDPC"; |
| 747 |
|
STREAM s; |
| 748 |
|
|
| 749 |
|
s = channel_init(rdpdr_channel, 0x50); |
| 750 |
|
out_uint8a(s, magic, 4); |
| 751 |
|
out_uint32_le(s, 5); /* count */ |
| 752 |
|
out_uint16_le(s, 1); /* first */ |
| 753 |
|
out_uint16_le(s, 0x28); /* length */ |
| 754 |
|
out_uint32_le(s, 1); |
| 755 |
|
out_uint32_le(s, 2); |
| 756 |
|
out_uint16_le(s, 2); |
| 757 |
|
out_uint16_le(s, 5); |
| 758 |
|
out_uint16_le(s, 1); |
| 759 |
|
out_uint16_le(s, 5); |
| 760 |
|
out_uint16_le(s, 0xFFFF); |
| 761 |
|
out_uint16_le(s, 0); |
| 762 |
|
out_uint32_le(s, 0); |
| 763 |
|
out_uint32_le(s, 3); |
| 764 |
|
out_uint32_le(s, 0); |
| 765 |
|
out_uint32_le(s, 0); |
| 766 |
|
out_uint16_le(s, 2); /* second */ |
| 767 |
|
out_uint16_le(s, 8); /* length */ |
| 768 |
|
out_uint32_le(s, 1); |
| 769 |
|
out_uint16_le(s, 3); /* third */ |
| 770 |
|
out_uint16_le(s, 8); /* length */ |
| 771 |
|
out_uint32_le(s, 1); |
| 772 |
|
out_uint16_le(s, 4); /* fourth */ |
| 773 |
|
out_uint16_le(s, 8); /* length */ |
| 774 |
|
out_uint32_le(s, 1); |
| 775 |
|
out_uint16_le(s, 5); /* fifth */ |
| 776 |
|
out_uint16_le(s, 8); /* length */ |
| 777 |
|
out_uint32_le(s, 1); |
| 778 |
|
|
| 779 |
|
s_mark_end(s); |
| 780 |
|
channel_send(s, rdpdr_channel); |
| 781 |
} |
} |
| 782 |
|
|
| 783 |
static void |
static void |
| 786 |
uint32 handle; |
uint32 handle; |
| 787 |
uint8 *magic; |
uint8 *magic; |
| 788 |
|
|
| 789 |
printf("rdpdr_process\n"); |
#if WITH_DEBUG_RDP5 |
| 790 |
|
printf("--- rdpdr_process ---\n"); |
| 791 |
hexdump(s->p, s->end - s->p); |
hexdump(s->p, s->end - s->p); |
| 792 |
|
#endif |
| 793 |
in_uint8p(s, magic, 4); |
in_uint8p(s, magic, 4); |
| 794 |
|
|
| 795 |
if ((magic[0] == 'r') && (magic[1] == 'D')) |
if ((magic[0] == 'r') && (magic[1] == 'D')) |
| 803 |
{ |
{ |
| 804 |
rdpdr_send_connect(); |
rdpdr_send_connect(); |
| 805 |
rdpdr_send_name(); |
rdpdr_send_name(); |
|
rdpdr_send_available(); |
|
| 806 |
return; |
return; |
| 807 |
} |
} |
| 808 |
else if ((magic[2] == 'C') && (magic[3] == 'C')) |
if ((magic[2] == 'C') && (magic[3] == 'C')) |
| 809 |
{ |
{ |
| 810 |
/* connect from server */ |
/* connect from server */ |
| 811 |
|
rdpdr_send_clientcapabilty(); |
| 812 |
|
rdpdr_send_available(); |
| 813 |
return; |
return; |
| 814 |
} |
} |
| 815 |
else if ((magic[2] == 'r') && (magic[3] == 'd')) |
if ((magic[2] == 'r') && (magic[3] == 'd')) |
| 816 |
{ |
{ |
| 817 |
/* connect to a specific resource */ |
/* connect to a specific resource */ |
| 818 |
in_uint32(s, handle); |
in_uint32(s, handle); |
| 819 |
printf("Server connected to resource %d\n", handle); |
#if WITH_DEBUG_RDP5 |
| 820 |
|
DEBUG(("RDPDR: Server connected to resource %d\n", handle)); |
| 821 |
|
#endif |
| 822 |
|
return; |
| 823 |
|
} |
| 824 |
|
if ((magic[2] == 'P') && (magic[3] == 'S')) |
| 825 |
|
{ |
| 826 |
|
/* server capability */ |
| 827 |
|
return; |
| 828 |
|
} |
| 829 |
|
} |
| 830 |
|
if ((magic[0] == 'R') && (magic[1] == 'P')) |
| 831 |
|
{ |
| 832 |
|
if ((magic[2] == 'C') && (magic[3] == 'P')) |
| 833 |
|
{ |
| 834 |
|
printercache_process(s); |
| 835 |
return; |
return; |
| 836 |
} |
} |
| 837 |
} |
} |
| 838 |
unimpl("RDPDR packet type %c%c%c%c\n", magic[0], magic[1], magic[2], magic[3]); |
unimpl("RDPDR packet type %c%c%c%c\n", magic[0], magic[1], magic[2], magic[3]); |
| 839 |
} |
} |
| 840 |
|
|
| 841 |
BOOL |
RD_BOOL |
| 842 |
rdpdr_init(void) |
rdpdr_init() |
| 843 |
{ |
{ |
| 844 |
rdpdr_channel = |
if (g_num_devices > 0) |
| 845 |
channel_register("rdpdr", CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_COMPRESS_RDP, |
{ |
| 846 |
rdpdr_process); |
rdpdr_channel = |
| 847 |
|
channel_register("rdpdr", |
| 848 |
|
CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_COMPRESS_RDP, |
| 849 |
|
rdpdr_process); |
| 850 |
|
} |
| 851 |
|
|
| 852 |
return (rdpdr_channel != NULL); |
return (rdpdr_channel != NULL); |
| 853 |
} |
} |
| 854 |
|
|
| 855 |
|
/* Add file descriptors of pending io request to select() */ |
| 856 |
|
void |
| 857 |
|
rdpdr_add_fds(int *n, fd_set * rfds, fd_set * wfds, struct timeval *tv, RD_BOOL * timeout) |
| 858 |
|
{ |
| 859 |
|
uint32 select_timeout = 0; /* Timeout value to be used for select() (in millisecons). */ |
| 860 |
|
struct async_iorequest *iorq; |
| 861 |
|
char c; |
| 862 |
|
|
| 863 |
|
iorq = g_iorequest; |
| 864 |
|
while (iorq != NULL) |
| 865 |
|
{ |
| 866 |
|
if (iorq->fd != 0) |
| 867 |
|
{ |
| 868 |
|
switch (iorq->major) |
| 869 |
|
{ |
| 870 |
|
case IRP_MJ_READ: |
| 871 |
|
/* Is this FD valid? FDs will |
| 872 |
|
be invalid when |
| 873 |
|
reconnecting. FIXME: Real |
| 874 |
|
support for reconnects. */ |
| 875 |
|
|
| 876 |
|
FD_SET(iorq->fd, rfds); |
| 877 |
|
*n = MAX(*n, iorq->fd); |
| 878 |
|
|
| 879 |
|
/* Check if io request timeout is smaller than current (but not 0). */ |
| 880 |
|
if (iorq->timeout |
| 881 |
|
&& (select_timeout == 0 |
| 882 |
|
|| iorq->timeout < select_timeout)) |
| 883 |
|
{ |
| 884 |
|
/* Set new timeout */ |
| 885 |
|
select_timeout = iorq->timeout; |
| 886 |
|
g_min_timeout_fd = iorq->fd; /* Remember fd */ |
| 887 |
|
tv->tv_sec = select_timeout / 1000; |
| 888 |
|
tv->tv_usec = (select_timeout % 1000) * 1000; |
| 889 |
|
*timeout = True; |
| 890 |
|
break; |
| 891 |
|
} |
| 892 |
|
if (iorq->itv_timeout && iorq->partial_len > 0 |
| 893 |
|
&& (select_timeout == 0 |
| 894 |
|
|| iorq->itv_timeout < select_timeout)) |
| 895 |
|
{ |
| 896 |
|
/* Set new timeout */ |
| 897 |
|
select_timeout = iorq->itv_timeout; |
| 898 |
|
g_min_timeout_fd = iorq->fd; /* Remember fd */ |
| 899 |
|
tv->tv_sec = select_timeout / 1000; |
| 900 |
|
tv->tv_usec = (select_timeout % 1000) * 1000; |
| 901 |
|
*timeout = True; |
| 902 |
|
break; |
| 903 |
|
} |
| 904 |
|
break; |
| 905 |
|
|
| 906 |
|
case IRP_MJ_WRITE: |
| 907 |
|
/* FD still valid? See above. */ |
| 908 |
|
if ((write(iorq->fd, &c, 0) != 0) && (errno == EBADF)) |
| 909 |
|
break; |
| 910 |
|
|
| 911 |
|
FD_SET(iorq->fd, wfds); |
| 912 |
|
*n = MAX(*n, iorq->fd); |
| 913 |
|
break; |
| 914 |
|
|
| 915 |
|
case IRP_MJ_DEVICE_CONTROL: |
| 916 |
|
if (select_timeout > 5) |
| 917 |
|
select_timeout = 5; /* serial event queue */ |
| 918 |
|
break; |
| 919 |
|
|
| 920 |
|
} |
| 921 |
|
|
| 922 |
|
} |
| 923 |
|
|
| 924 |
|
iorq = iorq->next; |
| 925 |
|
} |
| 926 |
|
} |
| 927 |
|
|
| 928 |
|
struct async_iorequest * |
| 929 |
|
rdpdr_remove_iorequest(struct async_iorequest *prev, struct async_iorequest *iorq) |
| 930 |
|
{ |
| 931 |
|
if (!iorq) |
| 932 |
|
return NULL; |
| 933 |
|
|
| 934 |
|
if (iorq->buffer) |
| 935 |
|
xfree(iorq->buffer); |
| 936 |
|
if (prev) |
| 937 |
|
{ |
| 938 |
|
prev->next = iorq->next; |
| 939 |
|
xfree(iorq); |
| 940 |
|
iorq = prev->next; |
| 941 |
|
} |
| 942 |
|
else |
| 943 |
|
{ |
| 944 |
|
/* Even if NULL */ |
| 945 |
|
g_iorequest = iorq->next; |
| 946 |
|
xfree(iorq); |
| 947 |
|
iorq = NULL; |
| 948 |
|
} |
| 949 |
|
return iorq; |
| 950 |
|
} |
| 951 |
|
|
| 952 |
|
/* Check if select() returned with one of the rdpdr file descriptors, and complete io if it did */ |
| 953 |
|
static void |
| 954 |
|
_rdpdr_check_fds(fd_set * rfds, fd_set * wfds, RD_BOOL timed_out) |
| 955 |
|
{ |
| 956 |
|
RD_NTSTATUS status; |
| 957 |
|
uint32 result = 0; |
| 958 |
|
DEVICE_FNS *fns; |
| 959 |
|
struct async_iorequest *iorq; |
| 960 |
|
struct async_iorequest *prev; |
| 961 |
|
uint32 req_size = 0; |
| 962 |
|
uint32 buffer_len; |
| 963 |
|
struct stream out; |
| 964 |
|
uint8 *buffer = NULL; |
| 965 |
|
|
| 966 |
|
|
| 967 |
|
if (timed_out) |
| 968 |
|
{ |
| 969 |
|
/* check serial iv_timeout */ |
| 970 |
|
|
| 971 |
|
iorq = g_iorequest; |
| 972 |
|
prev = NULL; |
| 973 |
|
while (iorq != NULL) |
| 974 |
|
{ |
| 975 |
|
if (iorq->fd == g_min_timeout_fd) |
| 976 |
|
{ |
| 977 |
|
if ((iorq->partial_len > 0) && |
| 978 |
|
(g_rdpdr_device[iorq->device].device_type == |
| 979 |
|
DEVICE_TYPE_SERIAL)) |
| 980 |
|
{ |
| 981 |
|
|
| 982 |
|
/* iv_timeout between 2 chars, send partial_len */ |
| 983 |
|
/*printf("RDPDR: IVT total %u bytes read of %u\n", iorq->partial_len, iorq->length); */ |
| 984 |
|
rdpdr_send_completion(iorq->device, |
| 985 |
|
iorq->id, RD_STATUS_SUCCESS, |
| 986 |
|
iorq->partial_len, |
| 987 |
|
iorq->buffer, iorq->partial_len); |
| 988 |
|
iorq = rdpdr_remove_iorequest(prev, iorq); |
| 989 |
|
return; |
| 990 |
|
} |
| 991 |
|
else |
| 992 |
|
{ |
| 993 |
|
break; |
| 994 |
|
} |
| 995 |
|
|
| 996 |
|
} |
| 997 |
|
else |
| 998 |
|
{ |
| 999 |
|
break; |
| 1000 |
|
} |
| 1001 |
|
|
| 1002 |
|
|
| 1003 |
|
prev = iorq; |
| 1004 |
|
if (iorq) |
| 1005 |
|
iorq = iorq->next; |
| 1006 |
|
|
| 1007 |
|
} |
| 1008 |
|
|
| 1009 |
|
rdpdr_abort_io(g_min_timeout_fd, 0, RD_STATUS_TIMEOUT); |
| 1010 |
|
return; |
| 1011 |
|
} |
| 1012 |
|
|
| 1013 |
|
iorq = g_iorequest; |
| 1014 |
|
prev = NULL; |
| 1015 |
|
while (iorq != NULL) |
| 1016 |
|
{ |
| 1017 |
|
if (iorq->fd != 0) |
| 1018 |
|
{ |
| 1019 |
|
switch (iorq->major) |
| 1020 |
|
{ |
| 1021 |
|
case IRP_MJ_READ: |
| 1022 |
|
if (FD_ISSET(iorq->fd, rfds)) |
| 1023 |
|
{ |
| 1024 |
|
/* Read the data */ |
| 1025 |
|
fns = iorq->fns; |
| 1026 |
|
|
| 1027 |
|
req_size = |
| 1028 |
|
(iorq->length - iorq->partial_len) > |
| 1029 |
|
8192 ? 8192 : (iorq->length - |
| 1030 |
|
iorq->partial_len); |
| 1031 |
|
/* never read larger chunks than 8k - chances are that it will block */ |
| 1032 |
|
status = fns->read(iorq->fd, |
| 1033 |
|
iorq->buffer + iorq->partial_len, |
| 1034 |
|
req_size, iorq->offset, &result); |
| 1035 |
|
|
| 1036 |
|
if ((long) result > 0) |
| 1037 |
|
{ |
| 1038 |
|
iorq->partial_len += result; |
| 1039 |
|
iorq->offset += result; |
| 1040 |
|
} |
| 1041 |
|
#if WITH_DEBUG_RDP5 |
| 1042 |
|
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
| 1043 |
|
#endif |
| 1044 |
|
/* only delete link if all data has been transfered */ |
| 1045 |
|
/* or if result was 0 and status success - EOF */ |
| 1046 |
|
if ((iorq->partial_len == iorq->length) || |
| 1047 |
|
(result == 0)) |
| 1048 |
|
{ |
| 1049 |
|
#if WITH_DEBUG_RDP5 |
| 1050 |
|
DEBUG(("RDPDR: AIO total %u bytes read of %u\n", iorq->partial_len, iorq->length)); |
| 1051 |
|
#endif |
| 1052 |
|
rdpdr_send_completion(iorq->device, |
| 1053 |
|
iorq->id, status, |
| 1054 |
|
iorq->partial_len, |
| 1055 |
|
iorq->buffer, |
| 1056 |
|
iorq->partial_len); |
| 1057 |
|
iorq = rdpdr_remove_iorequest(prev, iorq); |
| 1058 |
|
} |
| 1059 |
|
} |
| 1060 |
|
break; |
| 1061 |
|
case IRP_MJ_WRITE: |
| 1062 |
|
if (FD_ISSET(iorq->fd, wfds)) |
| 1063 |
|
{ |
| 1064 |
|
/* Write data. */ |
| 1065 |
|
fns = iorq->fns; |
| 1066 |
|
|
| 1067 |
|
req_size = |
| 1068 |
|
(iorq->length - iorq->partial_len) > |
| 1069 |
|
8192 ? 8192 : (iorq->length - |
| 1070 |
|
iorq->partial_len); |
| 1071 |
|
|
| 1072 |
|
/* never write larger chunks than 8k - chances are that it will block */ |
| 1073 |
|
status = fns->write(iorq->fd, |
| 1074 |
|
iorq->buffer + |
| 1075 |
|
iorq->partial_len, req_size, |
| 1076 |
|
iorq->offset, &result); |
| 1077 |
|
|
| 1078 |
|
if ((long) result > 0) |
| 1079 |
|
{ |
| 1080 |
|
iorq->partial_len += result; |
| 1081 |
|
iorq->offset += result; |
| 1082 |
|
} |
| 1083 |
|
|
| 1084 |
|
#if WITH_DEBUG_RDP5 |
| 1085 |
|
DEBUG(("RDPDR: %d bytes of data written\n", |
| 1086 |
|
result)); |
| 1087 |
|
#endif |
| 1088 |
|
/* only delete link if all data has been transfered */ |
| 1089 |
|
/* or we couldn't write */ |
| 1090 |
|
if ((iorq->partial_len == iorq->length) |
| 1091 |
|
|| (result == 0)) |
| 1092 |
|
{ |
| 1093 |
|
#if WITH_DEBUG_RDP5 |
| 1094 |
|
DEBUG(("RDPDR: AIO total %u bytes written of %u\n", iorq->partial_len, iorq->length)); |
| 1095 |
|
#endif |
| 1096 |
|
rdpdr_send_completion(iorq->device, |
| 1097 |
|
iorq->id, status, |
| 1098 |
|
iorq->partial_len, |
| 1099 |
|
(uint8 *) "", 1); |
| 1100 |
|
|
| 1101 |
|
iorq = rdpdr_remove_iorequest(prev, iorq); |
| 1102 |
|
} |
| 1103 |
|
} |
| 1104 |
|
break; |
| 1105 |
|
case IRP_MJ_DEVICE_CONTROL: |
| 1106 |
|
if (serial_get_event(iorq->fd, &result)) |
| 1107 |
|
{ |
| 1108 |
|
buffer = (uint8 *) xrealloc((void *) buffer, 0x14); |
| 1109 |
|
out.data = out.p = buffer; |
| 1110 |
|
out.size = sizeof(buffer); |
| 1111 |
|
out_uint32_le(&out, result); |
| 1112 |
|
result = buffer_len = out.p - out.data; |
| 1113 |
|
status = RD_STATUS_SUCCESS; |
| 1114 |
|
rdpdr_send_completion(iorq->device, iorq->id, |
| 1115 |
|
status, result, buffer, |
| 1116 |
|
buffer_len); |
| 1117 |
|
xfree(buffer); |
| 1118 |
|
iorq = rdpdr_remove_iorequest(prev, iorq); |
| 1119 |
|
} |
| 1120 |
|
|
| 1121 |
|
break; |
| 1122 |
|
} |
| 1123 |
|
|
| 1124 |
|
} |
| 1125 |
|
prev = iorq; |
| 1126 |
|
if (iorq) |
| 1127 |
|
iorq = iorq->next; |
| 1128 |
|
} |
| 1129 |
|
|
| 1130 |
|
/* Check notify */ |
| 1131 |
|
iorq = g_iorequest; |
| 1132 |
|
prev = NULL; |
| 1133 |
|
while (iorq != NULL) |
| 1134 |
|
{ |
| 1135 |
|
if (iorq->fd != 0) |
| 1136 |
|
{ |
| 1137 |
|
switch (iorq->major) |
| 1138 |
|
{ |
| 1139 |
|
|
| 1140 |
|
case IRP_MJ_DIRECTORY_CONTROL: |
| 1141 |
|
if (g_rdpdr_device[iorq->device].device_type == |
| 1142 |
|
DEVICE_TYPE_DISK) |
| 1143 |
|
{ |
| 1144 |
|
|
| 1145 |
|
if (g_notify_stamp) |
| 1146 |
|
{ |
| 1147 |
|
g_notify_stamp = False; |
| 1148 |
|
status = disk_check_notify(iorq->fd); |
| 1149 |
|
if (status != RD_STATUS_PENDING) |
| 1150 |
|
{ |
| 1151 |
|
rdpdr_send_completion(iorq->device, |
| 1152 |
|
iorq->id, |
| 1153 |
|
status, 0, |
| 1154 |
|
NULL, 0); |
| 1155 |
|
iorq = rdpdr_remove_iorequest(prev, |
| 1156 |
|
iorq); |
| 1157 |
|
} |
| 1158 |
|
} |
| 1159 |
|
} |
| 1160 |
|
break; |
| 1161 |
|
|
| 1162 |
|
|
| 1163 |
|
|
| 1164 |
|
} |
| 1165 |
|
} |
| 1166 |
|
|
| 1167 |
|
prev = iorq; |
| 1168 |
|
if (iorq) |
| 1169 |
|
iorq = iorq->next; |
| 1170 |
|
} |
| 1171 |
|
|
| 1172 |
|
} |
| 1173 |
|
|
| 1174 |
|
void |
| 1175 |
|
rdpdr_check_fds(fd_set * rfds, fd_set * wfds, RD_BOOL timed_out) |
| 1176 |
|
{ |
| 1177 |
|
fd_set dummy; |
| 1178 |
|
|
| 1179 |
|
|
| 1180 |
|
FD_ZERO(&dummy); |
| 1181 |
|
|
| 1182 |
|
|
| 1183 |
|
/* fist check event queue only, |
| 1184 |
|
any serial wait event must be done before read block will be sent |
| 1185 |
|
*/ |
| 1186 |
|
|
| 1187 |
|
_rdpdr_check_fds(&dummy, &dummy, False); |
| 1188 |
|
_rdpdr_check_fds(rfds, wfds, timed_out); |
| 1189 |
|
} |
| 1190 |
|
|
| 1191 |
|
|
| 1192 |
|
/* Abort a pending io request for a given handle and major */ |
| 1193 |
|
RD_BOOL |
| 1194 |
|
rdpdr_abort_io(uint32 fd, uint32 major, RD_NTSTATUS status) |
| 1195 |
|
{ |
| 1196 |
|
uint32 result; |
| 1197 |
|
struct async_iorequest *iorq; |
| 1198 |
|
struct async_iorequest *prev; |
| 1199 |
|
|
| 1200 |
|
iorq = g_iorequest; |
| 1201 |
|
prev = NULL; |
| 1202 |
|
while (iorq != NULL) |
| 1203 |
|
{ |
| 1204 |
|
/* Only remove from table when major is not set, or when correct major is supplied. |
| 1205 |
|
Abort read should not abort a write io request. */ |
| 1206 |
|
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
| 1207 |
|
{ |
| 1208 |
|
result = 0; |
| 1209 |
|
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
| 1210 |
|
1); |
| 1211 |
|
|
| 1212 |
|
iorq = rdpdr_remove_iorequest(prev, iorq); |
| 1213 |
|
return True; |
| 1214 |
|
} |
| 1215 |
|
|
| 1216 |
|
prev = iorq; |
| 1217 |
|
iorq = iorq->next; |
| 1218 |
|
} |
| 1219 |
|
|
| 1220 |
|
return False; |
| 1221 |
|
} |
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