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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 1999-2007 |
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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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|
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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 */ |
#include <dirent.h> /* opendir, closedir, readdir */ |
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#include <time.h> |
#include <time.h> |
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#include <errno.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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#define IRP_MJ_CREATE 0x00 |
#define IRP_MJ_CREATE 0x00 |
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#define IRP_MJ_CLOSE 0x02 |
#define IRP_MJ_CLOSE 0x02 |
46 |
#define IRP_MJ_READ 0x03 |
#define IRP_MJ_READ 0x03 |
50 |
#define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a |
#define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a |
51 |
#define IRP_MJ_DIRECTORY_CONTROL 0x0c |
#define IRP_MJ_DIRECTORY_CONTROL 0x0c |
52 |
#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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|
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extern char hostname[16]; |
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; |
extern DEVICE_FNS parallel_fns; |
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extern DEVICE_FNS disk_fns; |
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[]; |
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 */ |
/* If select() times out, the request for the device with handle g_min_timeout_fd is aborted */ |
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HANDLE g_min_timeout_fd; |
RD_NTHANDLE g_min_timeout_fd; |
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uint32 g_num_devices; |
uint32 g_num_devices; |
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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; |
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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/* Return device_id for a given handle */ |
/* Return device_id for a given handle */ |
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int |
int |
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get_device_index(HANDLE handle) |
get_device_index(RD_NTHANDLE handle) |
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{ |
{ |
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int i; |
int i; |
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for (i = 0; i < RDPDR_MAX_DEVICES; i++) |
for (i = 0; i < RDPDR_MAX_DEVICES; i++) |
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} |
} |
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} |
} |
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BOOL |
static RD_BOOL |
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rdpdr_handle_ok(int device, int handle) |
rdpdr_handle_ok(int device, int handle) |
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{ |
{ |
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switch (g_rdpdr_device[device].device_type) |
switch (g_rdpdr_device[device].device_type) |
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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 RD_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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|
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while (iorq->fd != 0) |
while (iorq->fd != 0) |
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{ |
{ |
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// create new element if needed |
/* create new element if needed */ |
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if (iorq->next == NULL) |
if (iorq->next == NULL) |
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{ |
{ |
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iorq->next = |
iorq->next = |
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return True; |
return True; |
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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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STREAM s; |
STREAM s; |
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uint32 hostlen; |
uint32 hostlen; |
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|
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if (NULL == g_rdpdr_clientname) { |
if (NULL == g_rdpdr_clientname) |
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g_rdpdr_clientname = hostname; |
{ |
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g_rdpdr_clientname = g_hostname; |
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} |
} |
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hostlen = (strlen(g_rdpdr_clientname) + 1) * 2; |
hostlen = (strlen(g_rdpdr_clientname) + 1) * 2; |
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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() |
230 |
{ |
{ |
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int size, i; |
int size, i; |
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PRINTER *printerinfo; |
PRINTER *printerinfo; |
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|
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size = 8; //static announce size |
size = 8; /* static announce size */ |
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size += g_num_devices * 0x14; |
size += g_num_devices * 0x14; |
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|
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for (i = 0; i < g_num_devices; i++) |
for (i = 0; i < g_num_devices; 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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{ |
{ |
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out_uint32_le(s, g_rdpdr_device[i].device_type); |
out_uint32_le(s, g_rdpdr_device[i].device_type); |
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out_uint32_le(s, i); /* RDP Device ID */ |
out_uint32_le(s, i); /* RDP Device ID */ |
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/* Is it possible to use share names longer than 8 chars? |
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/astrand */ |
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out_uint8p(s, g_rdpdr_device[i].name, 8); |
out_uint8p(s, g_rdpdr_device[i].name, 8); |
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switch (g_rdpdr_device[i].device_type) |
switch (g_rdpdr_device[i].device_type) |
319 |
uint8 magic[4] = "rDCI"; |
uint8 magic[4] = "rDCI"; |
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STREAM s; |
STREAM s; |
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#ifdef WITH_SCARD |
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scard_lock(SCARD_LOCK_RDPDR); |
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#endif |
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s = channel_init(rdpdr_channel, 20 + length); |
s = channel_init(rdpdr_channel, 20 + length); |
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out_uint8a(s, magic, 4); |
out_uint8a(s, magic, 4); |
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out_uint32_le(s, device); |
out_uint32_le(s, device); |
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out_uint32_le(s, result); |
out_uint32_le(s, result); |
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out_uint8p(s, buffer, length); |
out_uint8p(s, buffer, length); |
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s_mark_end(s); |
s_mark_end(s); |
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/* JIF |
/* JIF */ |
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hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8); */ |
#ifdef WITH_DEBUG_RDP5 |
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printf("--> rdpdr_send_completion\n"); |
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/* hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8); */ |
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#endif |
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channel_send(s, rdpdr_channel); |
channel_send(s, rdpdr_channel); |
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#ifdef WITH_SCARD |
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scard_unlock(SCARD_LOCK_RDPDR); |
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|
#endif |
342 |
} |
} |
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|
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static void |
static void |
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error_mode, |
error_mode, |
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share_mode, disposition, total_timeout, interval_timeout, flags_and_attributes = 0; |
share_mode, disposition, total_timeout, interval_timeout, flags_and_attributes = 0; |
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|
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char filename[256]; |
char filename[PATH_MAX]; |
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uint8 *buffer, *pst_buf; |
uint8 *buffer, *pst_buf; |
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struct stream out; |
struct stream out; |
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DEVICE_FNS *fns; |
DEVICE_FNS *fns; |
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BOOL rw_blocking = True; |
RD_BOOL rw_blocking = True; |
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NTSTATUS status = STATUS_INVALID_DEVICE_REQUEST; |
RD_NTSTATUS status = RD_STATUS_INVALID_DEVICE_REQUEST; |
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in_uint32_le(s, device); |
in_uint32_le(s, device); |
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in_uint32_le(s, file); |
in_uint32_le(s, file); |
404 |
break; |
break; |
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case DEVICE_TYPE_SCARD: |
case DEVICE_TYPE_SCARD: |
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|
#ifdef WITH_SCARD |
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fns = &scard_fns; |
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rw_blocking = False; |
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break; |
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#endif |
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default: |
default: |
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|
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error("IRP for bad device %ld\n", device); |
error("IRP for bad device %ld\n", device); |
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case IRP_MJ_CREATE: |
case IRP_MJ_CREATE: |
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|
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in_uint32_be(s, desired_access); |
in_uint32_be(s, desired_access); |
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in_uint8s(s, 0x08); // unknown |
in_uint8s(s, 0x08); /* unknown */ |
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in_uint32_le(s, error_mode); |
in_uint32_le(s, error_mode); |
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in_uint32_le(s, share_mode); |
in_uint32_le(s, share_mode); |
426 |
in_uint32_le(s, disposition); |
in_uint32_le(s, disposition); |
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|
|
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if (!fns->create) |
if (!fns->create) |
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{ |
{ |
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status = STATUS_NOT_SUPPORTED; |
status = RD_STATUS_NOT_SUPPORTED; |
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break; |
break; |
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} |
} |
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|
|
451 |
case IRP_MJ_CLOSE: |
case IRP_MJ_CLOSE: |
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if (!fns->close) |
if (!fns->close) |
453 |
{ |
{ |
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status = STATUS_NOT_SUPPORTED; |
status = RD_STATUS_NOT_SUPPORTED; |
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break; |
break; |
456 |
} |
} |
457 |
|
|
462 |
|
|
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if (!fns->read) |
if (!fns->read) |
464 |
{ |
{ |
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status = STATUS_NOT_SUPPORTED; |
status = RD_STATUS_NOT_SUPPORTED; |
466 |
break; |
break; |
467 |
} |
} |
468 |
|
|
473 |
#endif |
#endif |
474 |
if (!rdpdr_handle_ok(device, file)) |
if (!rdpdr_handle_ok(device, file)) |
475 |
{ |
{ |
476 |
status = STATUS_INVALID_HANDLE; |
status = RD_STATUS_INVALID_HANDLE; |
477 |
break; |
break; |
478 |
} |
} |
479 |
|
|
480 |
if (rw_blocking) // Complete read immediately |
if (rw_blocking) /* Complete read immediately */ |
481 |
{ |
{ |
482 |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
483 |
if (!buffer) |
if (!buffer) |
484 |
{ |
{ |
485 |
status = STATUS_CANCELLED; |
status = RD_STATUS_CANCELLED; |
486 |
break; |
break; |
487 |
} |
} |
488 |
status = fns->read(file, buffer, length, offset, &result); |
status = fns->read(file, buffer, length, offset, &result); |
490 |
break; |
break; |
491 |
} |
} |
492 |
|
|
493 |
// Add request to table |
/* Add request to table */ |
494 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
495 |
if (!pst_buf) |
if (!pst_buf) |
496 |
{ |
{ |
497 |
status = STATUS_CANCELLED; |
status = RD_STATUS_CANCELLED; |
498 |
break; |
break; |
499 |
} |
} |
500 |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
502 |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
503 |
pst_buf, offset)) |
pst_buf, offset)) |
504 |
{ |
{ |
505 |
status = STATUS_PENDING; |
status = RD_STATUS_PENDING; |
506 |
break; |
break; |
507 |
} |
} |
508 |
|
|
509 |
status = STATUS_CANCELLED; |
status = RD_STATUS_CANCELLED; |
510 |
break; |
break; |
511 |
case IRP_MJ_WRITE: |
case IRP_MJ_WRITE: |
512 |
|
|
514 |
|
|
515 |
if (!fns->write) |
if (!fns->write) |
516 |
{ |
{ |
517 |
status = STATUS_NOT_SUPPORTED; |
status = RD_STATUS_NOT_SUPPORTED; |
518 |
break; |
break; |
519 |
} |
} |
520 |
|
|
526 |
#endif |
#endif |
527 |
if (!rdpdr_handle_ok(device, file)) |
if (!rdpdr_handle_ok(device, file)) |
528 |
{ |
{ |
529 |
status = STATUS_INVALID_HANDLE; |
status = RD_STATUS_INVALID_HANDLE; |
530 |
break; |
break; |
531 |
} |
} |
532 |
|
|
533 |
if (rw_blocking) // Complete immediately |
if (rw_blocking) /* Complete immediately */ |
534 |
{ |
{ |
535 |
status = fns->write(file, s->p, length, offset, &result); |
status = fns->write(file, s->p, length, offset, &result); |
536 |
break; |
break; |
537 |
} |
} |
538 |
|
|
539 |
// Add to table |
/* Add to table */ |
540 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
541 |
if (!pst_buf) |
if (!pst_buf) |
542 |
{ |
{ |
543 |
status = STATUS_CANCELLED; |
status = RD_STATUS_CANCELLED; |
544 |
break; |
break; |
545 |
} |
} |
546 |
|
|
549 |
if (add_async_iorequest |
if (add_async_iorequest |
550 |
(device, file, id, major, length, fns, 0, 0, pst_buf, offset)) |
(device, file, id, major, length, fns, 0, 0, pst_buf, offset)) |
551 |
{ |
{ |
552 |
status = STATUS_PENDING; |
status = RD_STATUS_PENDING; |
553 |
break; |
break; |
554 |
} |
} |
555 |
|
|
556 |
status = STATUS_CANCELLED; |
status = RD_STATUS_CANCELLED; |
557 |
break; |
break; |
558 |
|
|
559 |
case IRP_MJ_QUERY_INFORMATION: |
case IRP_MJ_QUERY_INFORMATION: |
560 |
|
|
561 |
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
562 |
{ |
{ |
563 |
status = STATUS_INVALID_HANDLE; |
status = RD_STATUS_INVALID_HANDLE; |
564 |
break; |
break; |
565 |
} |
} |
566 |
in_uint32_le(s, info_level); |
in_uint32_le(s, info_level); |
576 |
|
|
577 |
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
578 |
{ |
{ |
579 |
status = STATUS_INVALID_HANDLE; |
status = RD_STATUS_INVALID_HANDLE; |
580 |
break; |
break; |
581 |
} |
} |
582 |
|
|
592 |
|
|
593 |
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
594 |
{ |
{ |
595 |
status = STATUS_INVALID_HANDLE; |
status = RD_STATUS_INVALID_HANDLE; |
596 |
break; |
break; |
597 |
} |
} |
598 |
|
|
608 |
|
|
609 |
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
610 |
{ |
{ |
611 |
status = STATUS_INVALID_HANDLE; |
status = RD_STATUS_INVALID_HANDLE; |
612 |
break; |
break; |
613 |
} |
} |
614 |
|
|
641 |
case IRP_MN_NOTIFY_CHANGE_DIRECTORY: |
case IRP_MN_NOTIFY_CHANGE_DIRECTORY: |
642 |
|
|
643 |
/* JIF |
/* JIF |
644 |
unimpl("IRP major=0x%x minor=0x%x: IRP_MN_NOTIFY_CHANGE_DIRECTORY\n", major, minor); */ |
unimpl("IRP major=0x%x minor=0x%x: IRP_MN_NOTIFY_CHANGE_DIRECTORY\n", major, minor); */ |
645 |
status = STATUS_PENDING; // Don't send completion packet |
|
646 |
|
in_uint32_le(s, info_level); /* notify mask */ |
647 |
|
|
648 |
|
status = disk_create_notify(file, info_level); |
649 |
|
result = 0; |
650 |
|
|
651 |
|
if (status == RD_STATUS_PENDING) |
652 |
|
add_async_iorequest(device, file, id, major, length, |
653 |
|
fns, 0, 0, NULL, 0); |
654 |
break; |
break; |
655 |
|
|
656 |
default: |
default: |
657 |
|
|
658 |
status = STATUS_INVALID_PARAMETER; |
status = RD_STATUS_INVALID_PARAMETER; |
659 |
/* JIF |
/* JIF */ |
660 |
unimpl("IRP major=0x%x minor=0x%x\n", major, minor); */ |
unimpl("IRP major=0x%x minor=0x%x\n", major, minor); |
661 |
} |
} |
662 |
break; |
break; |
663 |
|
|
665 |
|
|
666 |
if (!fns->device_control) |
if (!fns->device_control) |
667 |
{ |
{ |
668 |
status = STATUS_NOT_SUPPORTED; |
status = RD_STATUS_NOT_SUPPORTED; |
669 |
break; |
break; |
670 |
} |
} |
671 |
|
|
677 |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
678 |
if (!buffer) |
if (!buffer) |
679 |
{ |
{ |
680 |
status = STATUS_CANCELLED; |
status = RD_STATUS_CANCELLED; |
681 |
break; |
break; |
682 |
} |
} |
683 |
|
|
684 |
out.data = out.p = buffer; |
out.data = out.p = buffer; |
685 |
out.size = sizeof(buffer); |
out.size = sizeof(buffer); |
686 |
|
|
687 |
|
DEBUG_SCARD(("[SMART-CARD TRACE]\n")); |
688 |
|
DEBUG_SCARD(("device 0x%.8x\n", device)); |
689 |
|
DEBUG_SCARD(("file 0x%.8x\n", file)); |
690 |
|
DEBUG_SCARD(("id 0x%.8x\n", id)); |
691 |
|
#ifdef WITH_SCARD |
692 |
|
scardSetInfo(device, id, bytes_out + 0x14); |
693 |
|
#endif |
694 |
status = fns->device_control(file, request, s, &out); |
status = fns->device_control(file, request, s, &out); |
695 |
result = buffer_len = out.p - out.data; |
result = buffer_len = out.p - out.data; |
696 |
|
|
697 |
|
DEBUG_SCARD(("[SMART-CARD TRACE] OUT 0x%.8x\n", status)); |
698 |
|
|
699 |
|
/* Serial SERIAL_WAIT_ON_MASK */ |
700 |
|
if (status == RD_STATUS_PENDING) |
701 |
|
{ |
702 |
|
if (add_async_iorequest |
703 |
|
(device, file, id, major, length, fns, 0, 0, NULL, 0)) |
704 |
|
{ |
705 |
|
status = RD_STATUS_PENDING; |
706 |
|
break; |
707 |
|
} |
708 |
|
} |
709 |
|
#ifdef WITH_SCARD |
710 |
|
else if (status == (RD_STATUS_PENDING | 0xC0000000)) |
711 |
|
status = RD_STATUS_PENDING; |
712 |
|
#endif |
713 |
|
break; |
714 |
|
|
715 |
|
|
716 |
|
case IRP_MJ_LOCK_CONTROL: |
717 |
|
|
718 |
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
719 |
|
{ |
720 |
|
status = RD_STATUS_INVALID_HANDLE; |
721 |
|
break; |
722 |
|
} |
723 |
|
|
724 |
|
in_uint32_le(s, info_level); |
725 |
|
|
726 |
|
out.data = out.p = buffer; |
727 |
|
out.size = sizeof(buffer); |
728 |
|
/* FIXME: Perhaps consider actually *do* |
729 |
|
something here :-) */ |
730 |
|
status = RD_STATUS_SUCCESS; |
731 |
|
result = buffer_len = out.p - out.data; |
732 |
break; |
break; |
733 |
|
|
734 |
default: |
default: |
736 |
break; |
break; |
737 |
} |
} |
738 |
|
|
739 |
if (status != STATUS_PENDING) |
if (status != RD_STATUS_PENDING) |
740 |
{ |
{ |
741 |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
742 |
} |
} |
745 |
buffer = NULL; |
buffer = NULL; |
746 |
} |
} |
747 |
|
|
748 |
void |
static void |
749 |
rdpdr_send_clientcapabilty(void) |
rdpdr_send_clientcapabilty(void) |
750 |
{ |
{ |
751 |
uint8 magic[4] = "rDPC"; |
uint8 magic[4] = "rDPC"; |
843 |
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]); |
844 |
} |
} |
845 |
|
|
846 |
BOOL |
RD_BOOL |
847 |
rdpdr_init() |
rdpdr_init() |
848 |
{ |
{ |
849 |
if (g_num_devices > 0) |
if (g_num_devices > 0) |
859 |
|
|
860 |
/* Add file descriptors of pending io request to select() */ |
/* Add file descriptors of pending io request to select() */ |
861 |
void |
void |
862 |
rdpdr_add_fds(int *n, fd_set * rfds, fd_set * wfds, struct timeval *tv, BOOL * timeout) |
rdpdr_add_fds(int *n, fd_set * rfds, fd_set * wfds, struct timeval *tv, RD_BOOL * timeout) |
863 |
{ |
{ |
864 |
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). */ |
865 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
866 |
|
char c; |
867 |
|
|
868 |
iorq = g_iorequest; |
iorq = g_iorequest; |
869 |
while (iorq != NULL) |
while (iorq != NULL) |
873 |
switch (iorq->major) |
switch (iorq->major) |
874 |
{ |
{ |
875 |
case IRP_MJ_READ: |
case IRP_MJ_READ: |
876 |
|
/* Is this FD valid? FDs will |
877 |
|
be invalid when |
878 |
|
reconnecting. FIXME: Real |
879 |
|
support for reconnects. */ |
880 |
|
|
881 |
FD_SET(iorq->fd, rfds); |
FD_SET(iorq->fd, rfds); |
882 |
|
*n = MAX(*n, iorq->fd); |
883 |
|
|
884 |
// Check if io request timeout is smaller than current (but not 0). |
/* Check if io request timeout is smaller than current (but not 0). */ |
885 |
if (iorq->timeout |
if (iorq->timeout |
886 |
&& (select_timeout == 0 |
&& (select_timeout == 0 |
887 |
|| iorq->timeout < select_timeout)) |
|| iorq->timeout < select_timeout)) |
888 |
{ |
{ |
889 |
// Set new timeout |
/* Set new timeout */ |
890 |
select_timeout = iorq->timeout; |
select_timeout = iorq->timeout; |
891 |
g_min_timeout_fd = iorq->fd; /* Remember fd */ |
g_min_timeout_fd = iorq->fd; /* Remember fd */ |
892 |
tv->tv_sec = select_timeout / 1000; |
tv->tv_sec = select_timeout / 1000; |
893 |
tv->tv_usec = (select_timeout % 1000) * 1000; |
tv->tv_usec = (select_timeout % 1000) * 1000; |
894 |
*timeout = True; |
*timeout = True; |
895 |
|
break; |
896 |
|
} |
897 |
|
if (iorq->itv_timeout && iorq->partial_len > 0 |
898 |
|
&& (select_timeout == 0 |
899 |
|
|| iorq->itv_timeout < select_timeout)) |
900 |
|
{ |
901 |
|
/* Set new timeout */ |
902 |
|
select_timeout = iorq->itv_timeout; |
903 |
|
g_min_timeout_fd = iorq->fd; /* Remember fd */ |
904 |
|
tv->tv_sec = select_timeout / 1000; |
905 |
|
tv->tv_usec = (select_timeout % 1000) * 1000; |
906 |
|
*timeout = True; |
907 |
|
break; |
908 |
} |
} |
909 |
break; |
break; |
910 |
|
|
911 |
case IRP_MJ_WRITE: |
case IRP_MJ_WRITE: |
912 |
|
/* FD still valid? See above. */ |
913 |
|
if ((write(iorq->fd, &c, 0) != 0) && (errno == EBADF)) |
914 |
|
break; |
915 |
|
|
916 |
FD_SET(iorq->fd, wfds); |
FD_SET(iorq->fd, wfds); |
917 |
|
*n = MAX(*n, iorq->fd); |
918 |
|
break; |
919 |
|
|
920 |
|
case IRP_MJ_DEVICE_CONTROL: |
921 |
|
if (select_timeout > 5) |
922 |
|
select_timeout = 5; /* serial event queue */ |
923 |
break; |
break; |
924 |
|
|
925 |
} |
} |
926 |
*n = MAX(*n, iorq->fd); |
|
927 |
} |
} |
928 |
|
|
929 |
iorq = iorq->next; |
iorq = iorq->next; |
946 |
} |
} |
947 |
else |
else |
948 |
{ |
{ |
949 |
// Even if NULL |
/* Even if NULL */ |
950 |
g_iorequest = iorq->next; |
g_iorequest = iorq->next; |
951 |
xfree(iorq); |
xfree(iorq); |
952 |
iorq = NULL; |
iorq = NULL; |
955 |
} |
} |
956 |
|
|
957 |
/* 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 */ |
958 |
void |
static void |
959 |
rdpdr_check_fds(fd_set * rfds, fd_set * wfds, BOOL timed_out) |
_rdpdr_check_fds(fd_set * rfds, fd_set * wfds, RD_BOOL timed_out) |
960 |
{ |
{ |
961 |
NTSTATUS status; |
RD_NTSTATUS status; |
962 |
uint32 result = 0; |
uint32 result = 0; |
963 |
DEVICE_FNS *fns; |
DEVICE_FNS *fns; |
964 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
965 |
struct async_iorequest *prev; |
struct async_iorequest *prev; |
966 |
uint32 req_size = 0; |
uint32 req_size = 0; |
967 |
|
uint32 buffer_len; |
968 |
|
struct stream out; |
969 |
|
uint8 *buffer = NULL; |
970 |
|
|
971 |
|
|
972 |
if (timed_out) |
if (timed_out) |
973 |
{ |
{ |
974 |
rdpdr_abort_io(g_min_timeout_fd, 0, STATUS_TIMEOUT); |
/* check serial iv_timeout */ |
975 |
|
|
976 |
|
iorq = g_iorequest; |
977 |
|
prev = NULL; |
978 |
|
while (iorq != NULL) |
979 |
|
{ |
980 |
|
if (iorq->fd == g_min_timeout_fd) |
981 |
|
{ |
982 |
|
if ((iorq->partial_len > 0) && |
983 |
|
(g_rdpdr_device[iorq->device].device_type == |
984 |
|
DEVICE_TYPE_SERIAL)) |
985 |
|
{ |
986 |
|
|
987 |
|
/* iv_timeout between 2 chars, send partial_len */ |
988 |
|
/*printf("RDPDR: IVT total %u bytes read of %u\n", iorq->partial_len, iorq->length); */ |
989 |
|
rdpdr_send_completion(iorq->device, |
990 |
|
iorq->id, RD_STATUS_SUCCESS, |
991 |
|
iorq->partial_len, |
992 |
|
iorq->buffer, iorq->partial_len); |
993 |
|
iorq = rdpdr_remove_iorequest(prev, iorq); |
994 |
|
return; |
995 |
|
} |
996 |
|
else |
997 |
|
{ |
998 |
|
break; |
999 |
|
} |
1000 |
|
|
1001 |
|
} |
1002 |
|
else |
1003 |
|
{ |
1004 |
|
break; |
1005 |
|
} |
1006 |
|
|
1007 |
|
|
1008 |
|
prev = iorq; |
1009 |
|
if (iorq) |
1010 |
|
iorq = iorq->next; |
1011 |
|
|
1012 |
|
} |
1013 |
|
|
1014 |
|
rdpdr_abort_io(g_min_timeout_fd, 0, RD_STATUS_TIMEOUT); |
1015 |
return; |
return; |
1016 |
} |
} |
1017 |
|
|
1038 |
iorq->buffer + iorq->partial_len, |
iorq->buffer + iorq->partial_len, |
1039 |
req_size, iorq->offset, &result); |
req_size, iorq->offset, &result); |
1040 |
|
|
1041 |
if (result > 0) |
if ((long) result > 0) |
1042 |
{ |
{ |
1043 |
iorq->partial_len += result; |
iorq->partial_len += result; |
1044 |
iorq->offset += result; |
iorq->offset += result; |
1080 |
iorq->partial_len, req_size, |
iorq->partial_len, req_size, |
1081 |
iorq->offset, &result); |
iorq->offset, &result); |
1082 |
|
|
1083 |
if (result > 0) |
if ((long) result > 0) |
1084 |
{ |
{ |
1085 |
iorq->partial_len += result; |
iorq->partial_len += result; |
1086 |
iorq->offset += result; |
iorq->offset += result; |
1107 |
} |
} |
1108 |
} |
} |
1109 |
break; |
break; |
1110 |
|
case IRP_MJ_DEVICE_CONTROL: |
1111 |
|
if (serial_get_event(iorq->fd, &result)) |
1112 |
|
{ |
1113 |
|
buffer = (uint8 *) xrealloc((void *) buffer, 0x14); |
1114 |
|
out.data = out.p = buffer; |
1115 |
|
out.size = sizeof(buffer); |
1116 |
|
out_uint32_le(&out, result); |
1117 |
|
result = buffer_len = out.p - out.data; |
1118 |
|
status = RD_STATUS_SUCCESS; |
1119 |
|
rdpdr_send_completion(iorq->device, iorq->id, |
1120 |
|
status, result, buffer, |
1121 |
|
buffer_len); |
1122 |
|
xfree(buffer); |
1123 |
|
iorq = rdpdr_remove_iorequest(prev, iorq); |
1124 |
|
} |
1125 |
|
|
1126 |
|
break; |
1127 |
} |
} |
1128 |
|
|
1129 |
} |
} |
1132 |
iorq = iorq->next; |
iorq = iorq->next; |
1133 |
} |
} |
1134 |
|
|
1135 |
|
/* Check notify */ |
1136 |
|
iorq = g_iorequest; |
1137 |
|
prev = NULL; |
1138 |
|
while (iorq != NULL) |
1139 |
|
{ |
1140 |
|
if (iorq->fd != 0) |
1141 |
|
{ |
1142 |
|
switch (iorq->major) |
1143 |
|
{ |
1144 |
|
|
1145 |
|
case IRP_MJ_DIRECTORY_CONTROL: |
1146 |
|
if (g_rdpdr_device[iorq->device].device_type == |
1147 |
|
DEVICE_TYPE_DISK) |
1148 |
|
{ |
1149 |
|
|
1150 |
|
if (g_notify_stamp) |
1151 |
|
{ |
1152 |
|
g_notify_stamp = False; |
1153 |
|
status = disk_check_notify(iorq->fd); |
1154 |
|
if (status != RD_STATUS_PENDING) |
1155 |
|
{ |
1156 |
|
rdpdr_send_completion(iorq->device, |
1157 |
|
iorq->id, |
1158 |
|
status, 0, |
1159 |
|
NULL, 0); |
1160 |
|
iorq = rdpdr_remove_iorequest(prev, |
1161 |
|
iorq); |
1162 |
|
} |
1163 |
|
} |
1164 |
|
} |
1165 |
|
break; |
1166 |
|
|
1167 |
|
|
1168 |
|
|
1169 |
|
} |
1170 |
|
} |
1171 |
|
|
1172 |
|
prev = iorq; |
1173 |
|
if (iorq) |
1174 |
|
iorq = iorq->next; |
1175 |
|
} |
1176 |
|
|
1177 |
|
} |
1178 |
|
|
1179 |
|
void |
1180 |
|
rdpdr_check_fds(fd_set * rfds, fd_set * wfds, RD_BOOL timed_out) |
1181 |
|
{ |
1182 |
|
fd_set dummy; |
1183 |
|
|
1184 |
|
|
1185 |
|
FD_ZERO(&dummy); |
1186 |
|
|
1187 |
|
|
1188 |
|
/* fist check event queue only, |
1189 |
|
any serial wait event must be done before read block will be sent |
1190 |
|
*/ |
1191 |
|
|
1192 |
|
_rdpdr_check_fds(&dummy, &dummy, False); |
1193 |
|
_rdpdr_check_fds(rfds, wfds, timed_out); |
1194 |
} |
} |
1195 |
|
|
1196 |
|
|
1197 |
/* Abort a pending io request for a given handle and major */ |
/* Abort a pending io request for a given handle and major */ |
1198 |
BOOL |
RD_BOOL |
1199 |
rdpdr_abort_io(uint32 fd, uint32 major, NTSTATUS status) |
rdpdr_abort_io(uint32 fd, uint32 major, RD_NTSTATUS status) |
1200 |
{ |
{ |
1201 |
uint32 result; |
uint32 result; |
1202 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
1206 |
prev = NULL; |
prev = NULL; |
1207 |
while (iorq != NULL) |
while (iorq != NULL) |
1208 |
{ |
{ |
1209 |
// Only remove from table when major is not set, or when correct major is supplied. |
/* Only remove from table when major is not set, or when correct major is supplied. |
1210 |
// Abort read should not abort a write io request. |
Abort read should not abort a write io request. */ |
1211 |
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
1212 |
{ |
{ |
1213 |
result = 0; |
result = 0; |