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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 1999-2004 |
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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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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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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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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> |
#include <unistd.h> |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <sys/time.h> |
#include <sys/time.h> |
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#include <dirent.h> /* opendir, closedir, readdir */ |
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#include <time.h> |
#include <time.h> |
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#include "rdesktop.h" |
#include "rdesktop.h" |
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#define IRP_MJ_CREATE 0x00 |
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#define IRP_MJ_CLOSE 0x02 |
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#define IRP_MJ_READ 0x03 |
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#define IRP_MJ_WRITE 0x04 |
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#define IRP_MJ_DEVICE_CONTROL 0x0e |
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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_QUERY_VOLUME_INFORMATION 0x0a |
#define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a |
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#define IRP_MJ_DIRECTORY_CONTROL 0x0c |
#define IRP_MJ_DIRECTORY_CONTROL 0x0c |
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#define IRP_MJ_DEVICE_CONTROL 0x0e |
#define IRP_MJ_DEVICE_CONTROL 0x0e |
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#define IRP_MJ_LOCK_CONTROL 0x11 |
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|
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#define IRP_MN_QUERY_DIRECTORY 0x01 |
#define IRP_MN_QUERY_DIRECTORY 0x01 |
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#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
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extern DEVICE_FNS printer_fns; |
extern DEVICE_FNS printer_fns; |
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extern DEVICE_FNS parallel_fns; |
extern DEVICE_FNS parallel_fns; |
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extern DEVICE_FNS disk_fns; |
extern DEVICE_FNS disk_fns; |
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extern FILEINFO g_fileinfo[]; |
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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 */ |
/* If select() times out, the request for the device with handle g_min_timeout_fd is aborted */ |
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|
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/* Table with information about rdpdr devices */ |
/* Table with information about rdpdr devices */ |
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RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
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 */ |
/* 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, */ |
/* using a linked list ensures that they are processed in the right order, */ |
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} |
} |
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} |
} |
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static 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 */ |
/* Add a new io request to the table containing pending io requests so it won't block rdesktop */ |
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BOOL |
static BOOL |
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add_async_iorequest(uint32 device, uint32 file, uint32 id, uint32 major, uint32 length, |
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, |
DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer, |
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uint32 offset) |
uint32 offset) |
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return True; |
return True; |
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} |
} |
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|
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void |
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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} |
} |
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void |
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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if (NULL == g_rdpdr_clientname) |
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{ |
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g_rdpdr_clientname = 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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/* Returns the size of the payload of the announce packet */ |
/* Returns the size of the payload of the announce packet */ |
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int |
static int |
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announcedata_size() |
announcedata_size() |
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{ |
{ |
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int size, i; |
int size, i; |
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return size; |
return size; |
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} |
} |
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|
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void |
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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channel_send(s, rdpdr_channel); |
channel_send(s, rdpdr_channel); |
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} |
} |
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|
308 |
void |
static void |
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rdpdr_send_completion(uint32 device, uint32 id, uint32 status, uint32 result, uint8 * buffer, |
rdpdr_send_completion(uint32 device, uint32 id, uint32 status, uint32 result, uint8 * buffer, |
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uint32 length) |
uint32 length) |
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{ |
{ |
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#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
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DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
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#endif |
#endif |
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if (!rdpdr_handle_ok(device, file)) |
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{ |
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status = STATUS_INVALID_HANDLE; |
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break; |
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} |
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if (rw_blocking) // Complete read immediately |
if (rw_blocking) // Complete read immediately |
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{ |
{ |
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buffer = (uint8 *) xrealloc((void *) buffer, length); |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
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#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
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DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
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#endif |
#endif |
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if (!rdpdr_handle_ok(device, file)) |
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{ |
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status = STATUS_INVALID_HANDLE; |
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break; |
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} |
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if (rw_blocking) // Complete immediately |
if (rw_blocking) // Complete immediately |
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{ |
{ |
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status = fns->write(file, s->p, length, offset, &result); |
status = fns->write(file, s->p, length, offset, &result); |
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result = buffer_len = out.p - out.data; |
result = buffer_len = out.p - out.data; |
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break; |
break; |
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case IRP_MJ_LOCK_CONTROL: |
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if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
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{ |
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status = STATUS_INVALID_HANDLE; |
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break; |
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} |
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in_uint32_le(s, info_level); |
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out.data = out.p = buffer; |
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out.size = sizeof(buffer); |
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/* FIXME: Perhaps consider actually *do* |
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something here :-) */ |
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status = STATUS_SUCCESS; |
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result = buffer_len = out.p - out.data; |
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break; |
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|
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default: |
default: |
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unimpl("IRP major=0x%x minor=0x%x\n", major, minor); |
unimpl("IRP major=0x%x minor=0x%x\n", major, minor); |
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break; |
break; |
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buffer = NULL; |
buffer = NULL; |
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} |
} |
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|
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void |
static void |
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rdpdr_send_clientcapabilty(void) |
rdpdr_send_clientcapabilty(void) |
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{ |
{ |
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uint8 magic[4] = "rDPC"; |
uint8 magic[4] = "rDPC"; |
809 |
{ |
{ |
810 |
uint32 select_timeout = 0; // Timeout value to be used for select() (in millisecons). |
uint32 select_timeout = 0; // Timeout value to be used for select() (in millisecons). |
811 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
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|
char c; |
813 |
|
|
814 |
iorq = g_iorequest; |
iorq = g_iorequest; |
815 |
while (iorq != NULL) |
while (iorq != NULL) |
816 |
{ |
{ |
817 |
if (iorq->fd != 0) |
/* We need to test that the fd is still valid */ |
818 |
|
if ((iorq->fd != 0) && (read(iorq->fd, &c, 0) == 0)) |
819 |
{ |
{ |
820 |
switch (iorq->major) |
switch (iorq->major) |
821 |
{ |
{ |
849 |
} |
} |
850 |
} |
} |
851 |
|
|
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struct async_iorequest * |
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rdpdr_remove_iorequest(struct async_iorequest *prev, struct async_iorequest *iorq) |
854 |
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{ |
855 |
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if (!iorq) |
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return NULL; |
857 |
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|
858 |
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if (iorq->buffer) |
859 |
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xfree(iorq->buffer); |
860 |
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if (prev) |
861 |
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{ |
862 |
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prev->next = iorq->next; |
863 |
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xfree(iorq); |
864 |
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iorq = prev->next; |
865 |
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} |
866 |
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else |
867 |
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{ |
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// Even if NULL |
869 |
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g_iorequest = iorq->next; |
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xfree(iorq); |
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iorq = NULL; |
872 |
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} |
873 |
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return iorq; |
874 |
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} |
875 |
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|
876 |
/* Check if select() returned with one of the rdpdr file descriptors, and complete io if it did */ |
/* Check if select() returned with one of the rdpdr file descriptors, and complete io if it did */ |
877 |
void |
void |
912 |
status = fns->read(iorq->fd, |
status = fns->read(iorq->fd, |
913 |
iorq->buffer + iorq->partial_len, |
iorq->buffer + iorq->partial_len, |
914 |
req_size, iorq->offset, &result); |
req_size, iorq->offset, &result); |
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iorq->partial_len += result; |
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iorq->offset += result; |
|
915 |
|
|
916 |
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if (result > 0) |
917 |
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{ |
918 |
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iorq->partial_len += result; |
919 |
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iorq->offset += result; |
920 |
|
} |
921 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
922 |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
923 |
#endif |
#endif |
929 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
930 |
DEBUG(("RDPDR: AIO total %u bytes read of %u\n", iorq->partial_len, iorq->length)); |
DEBUG(("RDPDR: AIO total %u bytes read of %u\n", iorq->partial_len, iorq->length)); |
931 |
#endif |
#endif |
|
/* send the data */ |
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status = STATUS_SUCCESS; |
|
932 |
rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
933 |
iorq->id, status, |
iorq->id, status, |
934 |
iorq->partial_len, |
iorq->partial_len, |
935 |
iorq->buffer, |
iorq->buffer, |
936 |
iorq->partial_len); |
iorq->partial_len); |
937 |
xfree(iorq->buffer); |
iorq = rdpdr_remove_iorequest(prev, iorq); |
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iorq->fd = 0; |
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if (prev != NULL) |
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{ |
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prev->next = iorq->next; |
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xfree(iorq); |
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} |
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else |
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{ |
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// Even if NULL |
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g_iorequest = iorq->next; |
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xfree(iorq); |
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} |
|
938 |
} |
} |
939 |
} |
} |
940 |
break; |
break; |
954 |
iorq->buffer + |
iorq->buffer + |
955 |
iorq->partial_len, req_size, |
iorq->partial_len, req_size, |
956 |
iorq->offset, &result); |
iorq->offset, &result); |
957 |
iorq->partial_len += result; |
|
958 |
iorq->offset += result; |
if (result > 0) |
959 |
|
{ |
960 |
|
iorq->partial_len += result; |
961 |
|
iorq->offset += result; |
962 |
|
} |
963 |
|
|
964 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
965 |
DEBUG(("RDPDR: %d bytes of data written\n", |
DEBUG(("RDPDR: %d bytes of data written\n", |
966 |
result)); |
result)); |
973 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
974 |
DEBUG(("RDPDR: AIO total %u bytes written of %u\n", iorq->partial_len, iorq->length)); |
DEBUG(("RDPDR: AIO total %u bytes written of %u\n", iorq->partial_len, iorq->length)); |
975 |
#endif |
#endif |
|
/* send a status success */ |
|
|
status = STATUS_SUCCESS; |
|
976 |
rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
977 |
iorq->id, status, |
iorq->id, status, |
978 |
iorq->partial_len, |
iorq->partial_len, |
979 |
(uint8 *) "", 1); |
(uint8 *) "", 1); |
980 |
|
|
981 |
xfree(iorq->buffer); |
iorq = rdpdr_remove_iorequest(prev, iorq); |
|
iorq->fd = 0; |
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if (prev != NULL) |
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{ |
|
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prev->next = iorq->next; |
|
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xfree(iorq); |
|
|
} |
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else |
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{ |
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// Even if NULL |
|
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g_iorequest = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
982 |
} |
} |
983 |
} |
} |
984 |
break; |
break; |
986 |
|
|
987 |
} |
} |
988 |
prev = iorq; |
prev = iorq; |
989 |
iorq = iorq->next; |
if (iorq) |
990 |
|
iorq = iorq->next; |
991 |
} |
} |
992 |
|
|
993 |
} |
} |
1011 |
result = 0; |
result = 0; |
1012 |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
1013 |
1); |
1); |
1014 |
xfree(iorq->buffer); |
|
1015 |
iorq->fd = 0; |
iorq = rdpdr_remove_iorequest(prev, iorq); |
|
if (prev != NULL) |
|
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{ |
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prev->next = iorq->next; |
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xfree(iorq); |
|
|
} |
|
|
else |
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{ |
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// Even if NULL |
|
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g_iorequest = iorq->next; |
|
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xfree(iorq); |
|
|
} |
|
1016 |
return True; |
return True; |
1017 |
} |
} |
1018 |
|
|