1 |
/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
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Copyright (C) Matthew Chapman 1999-2005 |
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|
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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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|
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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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|
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http://cvs.sourceforge.net/viewcvs.py/mingw/w32api/include/ddk/winddk.h?view=markup |
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|
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http://win32.mvps.org/ntfs/streams.cpp |
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|
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http://www.acc.umu.se/~bosse/ntifs.h |
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|
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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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|
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http://www.osronline.com/ |
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*/ |
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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" |
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|
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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_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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#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; |
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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 BOOL g_notify_stamp; |
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|
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#ifdef WITH_SCARD |
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VCHANNEL *rdpdr_channel; |
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#else |
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static VCHANNEL *rdpdr_channel; |
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#endif |
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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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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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|
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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(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 |
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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 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 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 */ |
166 |
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)); |
170 |
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; |
189 |
} |
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|
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static void |
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rdpdr_send_connect(void) |
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{ |
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uint8 magic[4] = "rDCC"; |
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STREAM s; |
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|
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s = channel_init(rdpdr_channel, 12); |
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out_uint8a(s, magic, 4); |
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out_uint16_le(s, 1); /* unknown */ |
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out_uint16_le(s, 5); |
201 |
out_uint32_be(s, 0x815ed39d); /* IP address (use 127.0.0.1) 0x815ed39d */ |
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s_mark_end(s); |
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channel_send(s, rdpdr_channel); |
204 |
} |
205 |
|
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|
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static void |
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rdpdr_send_name(void) |
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{ |
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uint8 magic[4] = "rDNC"; |
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STREAM s; |
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uint32 hostlen; |
213 |
|
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if (NULL == g_rdpdr_clientname) |
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{ |
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g_rdpdr_clientname = g_hostname; |
217 |
} |
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hostlen = (strlen(g_rdpdr_clientname) + 1) * 2; |
219 |
|
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s = channel_init(rdpdr_channel, 16 + hostlen); |
221 |
out_uint8a(s, magic, 4); |
222 |
out_uint16_le(s, 0x63); /* unknown */ |
223 |
out_uint16_le(s, 0x72); |
224 |
out_uint32(s, 0); |
225 |
out_uint32_le(s, hostlen); |
226 |
rdp_out_unistr(s, g_rdpdr_clientname, hostlen - 2); |
227 |
s_mark_end(s); |
228 |
channel_send(s, rdpdr_channel); |
229 |
} |
230 |
|
231 |
/* Returns the size of the payload of the announce packet */ |
232 |
static int |
233 |
announcedata_size() |
234 |
{ |
235 |
int size, i; |
236 |
PRINTER *printerinfo; |
237 |
|
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size = 8; /* static announce size */ |
239 |
size += g_num_devices * 0x14; |
240 |
|
241 |
for (i = 0; i < g_num_devices; i++) |
242 |
{ |
243 |
if (g_rdpdr_device[i].device_type == DEVICE_TYPE_PRINTER) |
244 |
{ |
245 |
printerinfo = (PRINTER *) g_rdpdr_device[i].pdevice_data; |
246 |
printerinfo->bloblen = |
247 |
printercache_load_blob(printerinfo->printer, &(printerinfo->blob)); |
248 |
|
249 |
size += 0x18; |
250 |
size += 2 * strlen(printerinfo->driver) + 2; |
251 |
size += 2 * strlen(printerinfo->printer) + 2; |
252 |
size += printerinfo->bloblen; |
253 |
} |
254 |
} |
255 |
|
256 |
return size; |
257 |
} |
258 |
|
259 |
static void |
260 |
rdpdr_send_available(void) |
261 |
{ |
262 |
|
263 |
uint8 magic[4] = "rDAD"; |
264 |
uint32 driverlen, printerlen, bloblen; |
265 |
int i; |
266 |
STREAM s; |
267 |
PRINTER *printerinfo; |
268 |
|
269 |
s = channel_init(rdpdr_channel, announcedata_size()); |
270 |
out_uint8a(s, magic, 4); |
271 |
out_uint32_le(s, g_num_devices); |
272 |
|
273 |
for (i = 0; i < g_num_devices; i++) |
274 |
{ |
275 |
out_uint32_le(s, g_rdpdr_device[i].device_type); |
276 |
out_uint32_le(s, i); /* RDP Device ID */ |
277 |
/* Is it possible to use share names longer than 8 chars? |
278 |
/astrand */ |
279 |
out_uint8p(s, g_rdpdr_device[i].name, 8); |
280 |
|
281 |
switch (g_rdpdr_device[i].device_type) |
282 |
{ |
283 |
case DEVICE_TYPE_PRINTER: |
284 |
printerinfo = (PRINTER *) g_rdpdr_device[i].pdevice_data; |
285 |
|
286 |
driverlen = 2 * strlen(printerinfo->driver) + 2; |
287 |
printerlen = 2 * strlen(printerinfo->printer) + 2; |
288 |
bloblen = printerinfo->bloblen; |
289 |
|
290 |
out_uint32_le(s, 24 + driverlen + printerlen + bloblen); /* length of extra info */ |
291 |
out_uint32_le(s, printerinfo->default_printer ? 2 : 0); |
292 |
out_uint8s(s, 8); /* unknown */ |
293 |
out_uint32_le(s, driverlen); |
294 |
out_uint32_le(s, printerlen); |
295 |
out_uint32_le(s, bloblen); |
296 |
rdp_out_unistr(s, printerinfo->driver, driverlen - 2); |
297 |
rdp_out_unistr(s, printerinfo->printer, printerlen - 2); |
298 |
out_uint8a(s, printerinfo->blob, bloblen); |
299 |
|
300 |
if (printerinfo->blob) |
301 |
xfree(printerinfo->blob); /* Blob is sent twice if reconnecting */ |
302 |
break; |
303 |
default: |
304 |
out_uint32(s, 0); |
305 |
} |
306 |
} |
307 |
#if 0 |
308 |
out_uint32_le(s, 0x20); /* Device type 0x20 - smart card */ |
309 |
out_uint32_le(s, 0); |
310 |
out_uint8p(s, "SCARD", 5); |
311 |
out_uint8s(s, 3); |
312 |
out_uint32(s, 0); |
313 |
#endif |
314 |
|
315 |
s_mark_end(s); |
316 |
channel_send(s, rdpdr_channel); |
317 |
} |
318 |
|
319 |
void |
320 |
rdpdr_send_completion(uint32 device, uint32 id, uint32 status, uint32 result, uint8 * buffer, |
321 |
uint32 length) |
322 |
{ |
323 |
uint8 magic[4] = "rDCI"; |
324 |
STREAM s; |
325 |
|
326 |
s = channel_init(rdpdr_channel, 20 + length); |
327 |
out_uint8a(s, magic, 4); |
328 |
out_uint32_le(s, device); |
329 |
out_uint32_le(s, id); |
330 |
out_uint32_le(s, status); |
331 |
out_uint32_le(s, result); |
332 |
out_uint8p(s, buffer, length); |
333 |
s_mark_end(s); |
334 |
/* JIF */ |
335 |
#ifdef WITH_DEBUG_RDP5 |
336 |
printf("--> rdpdr_send_completion\n"); |
337 |
/* hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8); */ |
338 |
#endif |
339 |
channel_send(s, rdpdr_channel); |
340 |
} |
341 |
|
342 |
static void |
343 |
rdpdr_process_irp(STREAM s) |
344 |
{ |
345 |
uint32 result = 0, |
346 |
length = 0, |
347 |
desired_access = 0, |
348 |
request, |
349 |
file, |
350 |
info_level, |
351 |
buffer_len, |
352 |
id, |
353 |
major, |
354 |
minor, |
355 |
device, |
356 |
offset, |
357 |
bytes_in, |
358 |
bytes_out, |
359 |
error_mode, |
360 |
share_mode, disposition, total_timeout, interval_timeout, flags_and_attributes = 0; |
361 |
|
362 |
char filename[PATH_MAX]; |
363 |
uint8 *buffer, *pst_buf; |
364 |
struct stream out; |
365 |
DEVICE_FNS *fns; |
366 |
BOOL rw_blocking = True; |
367 |
NTSTATUS status = STATUS_INVALID_DEVICE_REQUEST; |
368 |
|
369 |
in_uint32_le(s, device); |
370 |
in_uint32_le(s, file); |
371 |
in_uint32_le(s, id); |
372 |
in_uint32_le(s, major); |
373 |
in_uint32_le(s, minor); |
374 |
|
375 |
buffer_len = 0; |
376 |
buffer = (uint8 *) xmalloc(1024); |
377 |
buffer[0] = 0; |
378 |
|
379 |
switch (g_rdpdr_device[device].device_type) |
380 |
{ |
381 |
case DEVICE_TYPE_SERIAL: |
382 |
|
383 |
fns = &serial_fns; |
384 |
rw_blocking = False; |
385 |
break; |
386 |
|
387 |
case DEVICE_TYPE_PARALLEL: |
388 |
|
389 |
fns = ¶llel_fns; |
390 |
rw_blocking = False; |
391 |
break; |
392 |
|
393 |
case DEVICE_TYPE_PRINTER: |
394 |
|
395 |
fns = &printer_fns; |
396 |
break; |
397 |
|
398 |
case DEVICE_TYPE_DISK: |
399 |
|
400 |
fns = &disk_fns; |
401 |
rw_blocking = False; |
402 |
break; |
403 |
|
404 |
case DEVICE_TYPE_SCARD: |
405 |
#ifdef WITH_SCARD |
406 |
fns = &scard_fns; |
407 |
rw_blocking = False; |
408 |
break; |
409 |
#endif |
410 |
default: |
411 |
|
412 |
error("IRP for bad device %ld\n", device); |
413 |
return; |
414 |
} |
415 |
|
416 |
switch (major) |
417 |
{ |
418 |
case IRP_MJ_CREATE: |
419 |
|
420 |
in_uint32_be(s, desired_access); |
421 |
in_uint8s(s, 0x08); /* unknown */ |
422 |
in_uint32_le(s, error_mode); |
423 |
in_uint32_le(s, share_mode); |
424 |
in_uint32_le(s, disposition); |
425 |
in_uint32_le(s, flags_and_attributes); |
426 |
in_uint32_le(s, length); |
427 |
|
428 |
if (length && (length / 2) < 256) |
429 |
{ |
430 |
rdp_in_unistr(s, filename, length); |
431 |
convert_to_unix_filename(filename); |
432 |
} |
433 |
else |
434 |
{ |
435 |
filename[0] = 0; |
436 |
} |
437 |
|
438 |
if (!fns->create) |
439 |
{ |
440 |
status = STATUS_NOT_SUPPORTED; |
441 |
break; |
442 |
} |
443 |
|
444 |
status = fns->create(device, desired_access, share_mode, disposition, |
445 |
flags_and_attributes, filename, &result); |
446 |
buffer_len = 1; |
447 |
break; |
448 |
|
449 |
case IRP_MJ_CLOSE: |
450 |
if (!fns->close) |
451 |
{ |
452 |
status = STATUS_NOT_SUPPORTED; |
453 |
break; |
454 |
} |
455 |
|
456 |
status = fns->close(file); |
457 |
break; |
458 |
|
459 |
case IRP_MJ_READ: |
460 |
|
461 |
if (!fns->read) |
462 |
{ |
463 |
status = STATUS_NOT_SUPPORTED; |
464 |
break; |
465 |
} |
466 |
|
467 |
in_uint32_le(s, length); |
468 |
in_uint32_le(s, offset); |
469 |
#if WITH_DEBUG_RDP5 |
470 |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
471 |
#endif |
472 |
if (!rdpdr_handle_ok(device, file)) |
473 |
{ |
474 |
status = STATUS_INVALID_HANDLE; |
475 |
break; |
476 |
} |
477 |
|
478 |
if (rw_blocking) /* Complete read immediately */ |
479 |
{ |
480 |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
481 |
if (!buffer) |
482 |
{ |
483 |
status = STATUS_CANCELLED; |
484 |
break; |
485 |
} |
486 |
status = fns->read(file, buffer, length, offset, &result); |
487 |
buffer_len = result; |
488 |
break; |
489 |
} |
490 |
|
491 |
/* Add request to table */ |
492 |
pst_buf = (uint8 *) xmalloc(length); |
493 |
if (!pst_buf) |
494 |
{ |
495 |
status = STATUS_CANCELLED; |
496 |
break; |
497 |
} |
498 |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
499 |
if (add_async_iorequest |
500 |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
501 |
pst_buf, offset)) |
502 |
{ |
503 |
status = STATUS_PENDING; |
504 |
break; |
505 |
} |
506 |
|
507 |
status = STATUS_CANCELLED; |
508 |
break; |
509 |
case IRP_MJ_WRITE: |
510 |
|
511 |
buffer_len = 1; |
512 |
|
513 |
if (!fns->write) |
514 |
{ |
515 |
status = STATUS_NOT_SUPPORTED; |
516 |
break; |
517 |
} |
518 |
|
519 |
in_uint32_le(s, length); |
520 |
in_uint32_le(s, offset); |
521 |
in_uint8s(s, 0x18); |
522 |
#if WITH_DEBUG_RDP5 |
523 |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
524 |
#endif |
525 |
if (!rdpdr_handle_ok(device, file)) |
526 |
{ |
527 |
status = STATUS_INVALID_HANDLE; |
528 |
break; |
529 |
} |
530 |
|
531 |
if (rw_blocking) /* Complete immediately */ |
532 |
{ |
533 |
status = fns->write(file, s->p, length, offset, &result); |
534 |
break; |
535 |
} |
536 |
|
537 |
/* Add to table */ |
538 |
pst_buf = (uint8 *) xmalloc(length); |
539 |
if (!pst_buf) |
540 |
{ |
541 |
status = STATUS_CANCELLED; |
542 |
break; |
543 |
} |
544 |
|
545 |
in_uint8a(s, pst_buf, length); |
546 |
|
547 |
if (add_async_iorequest |
548 |
(device, file, id, major, length, fns, 0, 0, pst_buf, offset)) |
549 |
{ |
550 |
status = STATUS_PENDING; |
551 |
break; |
552 |
} |
553 |
|
554 |
status = STATUS_CANCELLED; |
555 |
break; |
556 |
|
557 |
case IRP_MJ_QUERY_INFORMATION: |
558 |
|
559 |
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
560 |
{ |
561 |
status = STATUS_INVALID_HANDLE; |
562 |
break; |
563 |
} |
564 |
in_uint32_le(s, info_level); |
565 |
|
566 |
out.data = out.p = buffer; |
567 |
out.size = sizeof(buffer); |
568 |
status = disk_query_information(file, info_level, &out); |
569 |
result = buffer_len = out.p - out.data; |
570 |
|
571 |
break; |
572 |
|
573 |
case IRP_MJ_SET_INFORMATION: |
574 |
|
575 |
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
576 |
{ |
577 |
status = STATUS_INVALID_HANDLE; |
578 |
break; |
579 |
} |
580 |
|
581 |
in_uint32_le(s, info_level); |
582 |
|
583 |
out.data = out.p = buffer; |
584 |
out.size = sizeof(buffer); |
585 |
status = disk_set_information(file, info_level, s, &out); |
586 |
result = buffer_len = out.p - out.data; |
587 |
break; |
588 |
|
589 |
case IRP_MJ_QUERY_VOLUME_INFORMATION: |
590 |
|
591 |
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
592 |
{ |
593 |
status = STATUS_INVALID_HANDLE; |
594 |
break; |
595 |
} |
596 |
|
597 |
in_uint32_le(s, info_level); |
598 |
|
599 |
out.data = out.p = buffer; |
600 |
out.size = sizeof(buffer); |
601 |
status = disk_query_volume_information(file, info_level, &out); |
602 |
result = buffer_len = out.p - out.data; |
603 |
break; |
604 |
|
605 |
case IRP_MJ_DIRECTORY_CONTROL: |
606 |
|
607 |
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
608 |
{ |
609 |
status = STATUS_INVALID_HANDLE; |
610 |
break; |
611 |
} |
612 |
|
613 |
switch (minor) |
614 |
{ |
615 |
case IRP_MN_QUERY_DIRECTORY: |
616 |
|
617 |
in_uint32_le(s, info_level); |
618 |
in_uint8s(s, 1); |
619 |
in_uint32_le(s, length); |
620 |
in_uint8s(s, 0x17); |
621 |
if (length && length < 2 * 255) |
622 |
{ |
623 |
rdp_in_unistr(s, filename, length); |
624 |
convert_to_unix_filename(filename); |
625 |
} |
626 |
else |
627 |
{ |
628 |
filename[0] = 0; |
629 |
} |
630 |
out.data = out.p = buffer; |
631 |
out.size = sizeof(buffer); |
632 |
status = disk_query_directory(file, info_level, filename, |
633 |
&out); |
634 |
result = buffer_len = out.p - out.data; |
635 |
if (!buffer_len) |
636 |
buffer_len++; |
637 |
break; |
638 |
|
639 |
case IRP_MN_NOTIFY_CHANGE_DIRECTORY: |
640 |
|
641 |
/* JIF |
642 |
unimpl("IRP major=0x%x minor=0x%x: IRP_MN_NOTIFY_CHANGE_DIRECTORY\n", major, minor); */ |
643 |
|
644 |
in_uint32_le(s, info_level); /* notify mask */ |
645 |
|
646 |
g_notify_stamp = True; |
647 |
|
648 |
status = disk_create_notify(file, info_level); |
649 |
result = 0; |
650 |
|
651 |
if (status == STATUS_PENDING) |
652 |
add_async_iorequest(device, file, id, major, length, |
653 |
fns, 0, 0, NULL, 0); |
654 |
break; |
655 |
|
656 |
default: |
657 |
|
658 |
status = STATUS_INVALID_PARAMETER; |
659 |
/* JIF */ |
660 |
unimpl("IRP major=0x%x minor=0x%x\n", major, minor); |
661 |
} |
662 |
break; |
663 |
|
664 |
case IRP_MJ_DEVICE_CONTROL: |
665 |
|
666 |
if (!fns->device_control) |
667 |
{ |
668 |
status = STATUS_NOT_SUPPORTED; |
669 |
break; |
670 |
} |
671 |
|
672 |
in_uint32_le(s, bytes_out); |
673 |
in_uint32_le(s, bytes_in); |
674 |
in_uint32_le(s, request); |
675 |
in_uint8s(s, 0x14); |
676 |
|
677 |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
678 |
if (!buffer) |
679 |
{ |
680 |
status = STATUS_CANCELLED; |
681 |
break; |
682 |
} |
683 |
|
684 |
out.data = out.p = buffer; |
685 |
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); |
695 |
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 == STATUS_PENDING) |
701 |
{ |
702 |
if (add_async_iorequest |
703 |
(device, file, id, major, length, fns, 0, 0, NULL, 0)) |
704 |
{ |
705 |
status = STATUS_PENDING; |
706 |
break; |
707 |
} |
708 |
} |
709 |
#ifdef WITH_SCARD |
710 |
else if (status == (STATUS_PENDING | 0xC0000000)) |
711 |
status = 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 = 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 = STATUS_SUCCESS; |
731 |
result = buffer_len = out.p - out.data; |
732 |
break; |
733 |
|
734 |
default: |
735 |
unimpl("IRP major=0x%x minor=0x%x\n", major, minor); |
736 |
break; |
737 |
} |
738 |
|
739 |
if (status != STATUS_PENDING) |
740 |
{ |
741 |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
742 |
} |
743 |
if (buffer) |
744 |
xfree(buffer); |
745 |
buffer = NULL; |
746 |
} |
747 |
|
748 |
static void |
749 |
rdpdr_send_clientcapabilty(void) |
750 |
{ |
751 |
uint8 magic[4] = "rDPC"; |
752 |
STREAM s; |
753 |
|
754 |
s = channel_init(rdpdr_channel, 0x50); |
755 |
out_uint8a(s, magic, 4); |
756 |
out_uint32_le(s, 5); /* count */ |
757 |
out_uint16_le(s, 1); /* first */ |
758 |
out_uint16_le(s, 0x28); /* length */ |
759 |
out_uint32_le(s, 1); |
760 |
out_uint32_le(s, 2); |
761 |
out_uint16_le(s, 2); |
762 |
out_uint16_le(s, 5); |
763 |
out_uint16_le(s, 1); |
764 |
out_uint16_le(s, 5); |
765 |
out_uint16_le(s, 0xFFFF); |
766 |
out_uint16_le(s, 0); |
767 |
out_uint32_le(s, 0); |
768 |
out_uint32_le(s, 3); |
769 |
out_uint32_le(s, 0); |
770 |
out_uint32_le(s, 0); |
771 |
out_uint16_le(s, 2); /* second */ |
772 |
out_uint16_le(s, 8); /* length */ |
773 |
out_uint32_le(s, 1); |
774 |
out_uint16_le(s, 3); /* third */ |
775 |
out_uint16_le(s, 8); /* length */ |
776 |
out_uint32_le(s, 1); |
777 |
out_uint16_le(s, 4); /* fourth */ |
778 |
out_uint16_le(s, 8); /* length */ |
779 |
out_uint32_le(s, 1); |
780 |
out_uint16_le(s, 5); /* fifth */ |
781 |
out_uint16_le(s, 8); /* length */ |
782 |
out_uint32_le(s, 1); |
783 |
|
784 |
s_mark_end(s); |
785 |
channel_send(s, rdpdr_channel); |
786 |
} |
787 |
|
788 |
static void |
789 |
rdpdr_process(STREAM s) |
790 |
{ |
791 |
uint32 handle; |
792 |
uint8 *magic; |
793 |
|
794 |
#if WITH_DEBUG_RDP5 |
795 |
printf("--- rdpdr_process ---\n"); |
796 |
hexdump(s->p, s->end - s->p); |
797 |
#endif |
798 |
in_uint8p(s, magic, 4); |
799 |
|
800 |
if ((magic[0] == 'r') && (magic[1] == 'D')) |
801 |
{ |
802 |
if ((magic[2] == 'R') && (magic[3] == 'I')) |
803 |
{ |
804 |
rdpdr_process_irp(s); |
805 |
return; |
806 |
} |
807 |
if ((magic[2] == 'n') && (magic[3] == 'I')) |
808 |
{ |
809 |
rdpdr_send_connect(); |
810 |
rdpdr_send_name(); |
811 |
return; |
812 |
} |
813 |
if ((magic[2] == 'C') && (magic[3] == 'C')) |
814 |
{ |
815 |
/* connect from server */ |
816 |
rdpdr_send_clientcapabilty(); |
817 |
rdpdr_send_available(); |
818 |
return; |
819 |
} |
820 |
if ((magic[2] == 'r') && (magic[3] == 'd')) |
821 |
{ |
822 |
/* connect to a specific resource */ |
823 |
in_uint32(s, handle); |
824 |
#if WITH_DEBUG_RDP5 |
825 |
DEBUG(("RDPDR: Server connected to resource %d\n", handle)); |
826 |
#endif |
827 |
return; |
828 |
} |
829 |
if ((magic[2] == 'P') && (magic[3] == 'S')) |
830 |
{ |
831 |
/* server capability */ |
832 |
return; |
833 |
} |
834 |
} |
835 |
if ((magic[0] == 'R') && (magic[1] == 'P')) |
836 |
{ |
837 |
if ((magic[2] == 'C') && (magic[3] == 'P')) |
838 |
{ |
839 |
printercache_process(s); |
840 |
return; |
841 |
} |
842 |
} |
843 |
unimpl("RDPDR packet type %c%c%c%c\n", magic[0], magic[1], magic[2], magic[3]); |
844 |
} |
845 |
|
846 |
BOOL |
847 |
rdpdr_init() |
848 |
{ |
849 |
if (g_num_devices > 0) |
850 |
{ |
851 |
rdpdr_channel = |
852 |
channel_register("rdpdr", |
853 |
CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_COMPRESS_RDP, |
854 |
rdpdr_process); |
855 |
} |
856 |
|
857 |
return (rdpdr_channel != NULL); |
858 |
} |
859 |
|
860 |
/* Add file descriptors of pending io request to select() */ |
861 |
void |
862 |
rdpdr_add_fds(int *n, fd_set * rfds, fd_set * wfds, struct timeval *tv, BOOL * timeout) |
863 |
{ |
864 |
uint32 select_timeout = 0; /* Timeout value to be used for select() (in millisecons). */ |
865 |
struct async_iorequest *iorq; |
866 |
char c; |
867 |
|
868 |
iorq = g_iorequest; |
869 |
while (iorq != NULL) |
870 |
{ |
871 |
if (iorq->fd != 0) |
872 |
{ |
873 |
switch (iorq->major) |
874 |
{ |
875 |
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); |
882 |
*n = MAX(*n, iorq->fd); |
883 |
|
884 |
/* Check if io request timeout is smaller than current (but not 0). */ |
885 |
if (iorq->timeout |
886 |
&& (select_timeout == 0 |
887 |
|| iorq->timeout < select_timeout)) |
888 |
{ |
889 |
/* Set new timeout */ |
890 |
select_timeout = iorq->timeout; |
891 |
g_min_timeout_fd = iorq->fd; /* Remember fd */ |
892 |
tv->tv_sec = select_timeout / 1000; |
893 |
tv->tv_usec = (select_timeout % 1000) * 1000; |
894 |
*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; |
910 |
|
911 |
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); |
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; |
924 |
|
925 |
} |
926 |
|
927 |
} |
928 |
|
929 |
iorq = iorq->next; |
930 |
} |
931 |
} |
932 |
|
933 |
struct async_iorequest * |
934 |
rdpdr_remove_iorequest(struct async_iorequest *prev, struct async_iorequest *iorq) |
935 |
{ |
936 |
if (!iorq) |
937 |
return NULL; |
938 |
|
939 |
if (iorq->buffer) |
940 |
xfree(iorq->buffer); |
941 |
if (prev) |
942 |
{ |
943 |
prev->next = iorq->next; |
944 |
xfree(iorq); |
945 |
iorq = prev->next; |
946 |
} |
947 |
else |
948 |
{ |
949 |
/* Even if NULL */ |
950 |
g_iorequest = iorq->next; |
951 |
xfree(iorq); |
952 |
iorq = NULL; |
953 |
} |
954 |
return iorq; |
955 |
} |
956 |
|
957 |
/* Check if select() returned with one of the rdpdr file descriptors, and complete io if it did */ |
958 |
static void |
959 |
_rdpdr_check_fds(fd_set * rfds, fd_set * wfds, BOOL timed_out) |
960 |
{ |
961 |
NTSTATUS status; |
962 |
uint32 result = 0; |
963 |
DEVICE_FNS *fns; |
964 |
struct async_iorequest *iorq; |
965 |
struct async_iorequest *prev; |
966 |
uint32 req_size = 0; |
967 |
uint32 buffer_len; |
968 |
struct stream out; |
969 |
uint8 *buffer = NULL; |
970 |
|
971 |
|
972 |
if (timed_out) |
973 |
{ |
974 |
/* 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, 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, STATUS_TIMEOUT); |
1015 |
return; |
1016 |
} |
1017 |
|
1018 |
iorq = g_iorequest; |
1019 |
prev = NULL; |
1020 |
while (iorq != NULL) |
1021 |
{ |
1022 |
if (iorq->fd != 0) |
1023 |
{ |
1024 |
switch (iorq->major) |
1025 |
{ |
1026 |
case IRP_MJ_READ: |
1027 |
if (FD_ISSET(iorq->fd, rfds)) |
1028 |
{ |
1029 |
/* Read the data */ |
1030 |
fns = iorq->fns; |
1031 |
|
1032 |
req_size = |
1033 |
(iorq->length - iorq->partial_len) > |
1034 |
8192 ? 8192 : (iorq->length - |
1035 |
iorq->partial_len); |
1036 |
/* never read larger chunks than 8k - chances are that it will block */ |
1037 |
status = fns->read(iorq->fd, |
1038 |
iorq->buffer + iorq->partial_len, |
1039 |
req_size, iorq->offset, &result); |
1040 |
|
1041 |
if ((long) result > 0) |
1042 |
{ |
1043 |
iorq->partial_len += result; |
1044 |
iorq->offset += result; |
1045 |
} |
1046 |
#if WITH_DEBUG_RDP5 |
1047 |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
1048 |
#endif |
1049 |
/* only delete link if all data has been transfered */ |
1050 |
/* or if result was 0 and status success - EOF */ |
1051 |
if ((iorq->partial_len == iorq->length) || |
1052 |
(result == 0)) |
1053 |
{ |
1054 |
#if WITH_DEBUG_RDP5 |
1055 |
DEBUG(("RDPDR: AIO total %u bytes read of %u\n", iorq->partial_len, iorq->length)); |
1056 |
#endif |
1057 |
rdpdr_send_completion(iorq->device, |
1058 |
iorq->id, status, |
1059 |
iorq->partial_len, |
1060 |
iorq->buffer, |
1061 |
iorq->partial_len); |
1062 |
iorq = rdpdr_remove_iorequest(prev, iorq); |
1063 |
} |
1064 |
} |
1065 |
break; |
1066 |
case IRP_MJ_WRITE: |
1067 |
if (FD_ISSET(iorq->fd, wfds)) |
1068 |
{ |
1069 |
/* Write data. */ |
1070 |
fns = iorq->fns; |
1071 |
|
1072 |
req_size = |
1073 |
(iorq->length - iorq->partial_len) > |
1074 |
8192 ? 8192 : (iorq->length - |
1075 |
iorq->partial_len); |
1076 |
|
1077 |
/* never write larger chunks than 8k - chances are that it will block */ |
1078 |
status = fns->write(iorq->fd, |
1079 |
iorq->buffer + |
1080 |
iorq->partial_len, req_size, |
1081 |
iorq->offset, &result); |
1082 |
|
1083 |
if ((long) result > 0) |
1084 |
{ |
1085 |
iorq->partial_len += result; |
1086 |
iorq->offset += result; |
1087 |
} |
1088 |
|
1089 |
#if WITH_DEBUG_RDP5 |
1090 |
DEBUG(("RDPDR: %d bytes of data written\n", |
1091 |
result)); |
1092 |
#endif |
1093 |
/* only delete link if all data has been transfered */ |
1094 |
/* or we couldn't write */ |
1095 |
if ((iorq->partial_len == iorq->length) |
1096 |
|| (result == 0)) |
1097 |
{ |
1098 |
#if WITH_DEBUG_RDP5 |
1099 |
DEBUG(("RDPDR: AIO total %u bytes written of %u\n", iorq->partial_len, iorq->length)); |
1100 |
#endif |
1101 |
rdpdr_send_completion(iorq->device, |
1102 |
iorq->id, status, |
1103 |
iorq->partial_len, |
1104 |
(uint8 *) "", 1); |
1105 |
|
1106 |
iorq = rdpdr_remove_iorequest(prev, iorq); |
1107 |
} |
1108 |
} |
1109 |
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 = 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 |
} |
1130 |
prev = iorq; |
1131 |
if (iorq) |
1132 |
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 != 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, 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 */ |
1198 |
BOOL |
1199 |
rdpdr_abort_io(uint32 fd, uint32 major, NTSTATUS status) |
1200 |
{ |
1201 |
uint32 result; |
1202 |
struct async_iorequest *iorq; |
1203 |
struct async_iorequest *prev; |
1204 |
|
1205 |
iorq = g_iorequest; |
1206 |
prev = NULL; |
1207 |
while (iorq != NULL) |
1208 |
{ |
1209 |
/* 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. */ |
1211 |
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
1212 |
{ |
1213 |
result = 0; |
1214 |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
1215 |
1); |
1216 |
|
1217 |
iorq = rdpdr_remove_iorequest(prev, iorq); |
1218 |
return True; |
1219 |
} |
1220 |
|
1221 |
prev = iorq; |
1222 |
iorq = iorq->next; |
1223 |
} |
1224 |
|
1225 |
return False; |
1226 |
} |