/[rdesktop]/sourceforge.net/trunk/rdesktop/rdpdr.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Diff of /sourceforge.net/trunk/rdesktop/rdpdr.c

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revision 646 by forsberg, Fri Apr 2 15:34:38 2004 UTC revision 663 by astrand, Sat Apr 17 06:58:30 2004 UTC
# Line 1  Line 1 
1    /* -*- c-basic-offset: 8 -*-
2       rdesktop: A Remote Desktop Protocol client.
3       Copyright (C) Matthew Chapman 1999-2004
4    
5       This program is free software; you can redistribute it and/or modify
6       it under the terms of the GNU General Public License as published by
7       the Free Software Foundation; either version 2 of the License, or
8       (at your option) any later version.
9    
10       This program is distributed in the hope that it will be useful,
11       but WITHOUT ANY WARRANTY; without even the implied warranty of
12       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13       GNU General Public License for more details.
14    
15       You should have received a copy of the GNU General Public License
16       along with this program; if not, write to the Free Software
17       Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18    */
19    
20    /*
21      Here are some resources, for your IRP hacking pleasure:
22    
23      http://cvs.sourceforge.net/viewcvs.py/mingw/w32api/include/ddk/winddk.h?view=markup
24    
25      http://win32.mvps.org/ntfs/streams.cpp
26    
27      http://www.acc.umu.se/~bosse/ntifs.h
28    
29      http://undocumented.ntinternals.net/UserMode/Undocumented%20Functions/NT%20Objects/File/
30    
31      http://us1.samba.org/samba/ftp/specs/smb-nt01.txt
32    
33      http://www.osronline.com/
34    */
35    
36  #include <unistd.h>  #include <unistd.h>
37  #include <sys/types.h>  #include <sys/types.h>
38  #include <sys/time.h>  #include <sys/time.h>
# Line 5  Line 40 
40  #include <time.h>  #include <time.h>
41  #include "rdesktop.h"  #include "rdesktop.h"
42    
 #define IRP_MJ_CREATE           0x00  
 #define IRP_MJ_CLOSE            0x02  
 #define IRP_MJ_READ             0x03  
 #define IRP_MJ_WRITE            0x04  
 #define IRP_MJ_DEVICE_CONTROL   0x0e  
   
43  #define IRP_MJ_CREATE                   0x00  #define IRP_MJ_CREATE                   0x00
44  #define IRP_MJ_CLOSE                    0x02  #define IRP_MJ_CLOSE                    0x02
45  #define IRP_MJ_READ                     0x03  #define IRP_MJ_READ                     0x03
# Line 20  Line 49 
49  #define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a  #define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a
50  #define IRP_MJ_DIRECTORY_CONTROL        0x0c  #define IRP_MJ_DIRECTORY_CONTROL        0x0c
51  #define IRP_MJ_DEVICE_CONTROL           0x0e  #define IRP_MJ_DEVICE_CONTROL           0x0e
52    #define IRP_MJ_LOCK_CONTROL             0x11
53    
54  #define IRP_MN_QUERY_DIRECTORY          0x01  #define IRP_MN_QUERY_DIRECTORY          0x01
55  #define IRP_MN_NOTIFY_CHANGE_DIRECTORY  0x02  #define IRP_MN_NOTIFY_CHANGE_DIRECTORY  0x02
# Line 30  extern DEVICE_FNS printer_fns; Line 60  extern DEVICE_FNS printer_fns;
60  extern DEVICE_FNS parallel_fns;  extern DEVICE_FNS parallel_fns;
61  extern DEVICE_FNS disk_fns;  extern DEVICE_FNS disk_fns;
62  extern FILEINFO g_fileinfo[];  extern FILEINFO g_fileinfo[];
63    
64  static VCHANNEL *rdpdr_channel;  static VCHANNEL *rdpdr_channel;
65    
66  /* 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 */
# Line 39  uint32 g_num_devices; Line 69  uint32 g_num_devices;
69    
70  /* Table with information about rdpdr devices */  /* Table with information about rdpdr devices */
71  RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES];  RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES];
72  char * g_rdpdr_clientname = NULL;  char *g_rdpdr_clientname = NULL;
73    
74  /* 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 */
75  /* 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, */
# Line 82  convert_to_unix_filename(char *filename) Line 112  convert_to_unix_filename(char *filename)
112          }          }
113  }  }
114    
115  BOOL  static BOOL
116  rdpdr_handle_ok(int device, int handle)  rdpdr_handle_ok(int device, int handle)
117  {  {
118          switch (g_rdpdr_device[device].device_type)          switch (g_rdpdr_device[device].device_type)
# Line 103  rdpdr_handle_ok(int device, int handle) Line 133  rdpdr_handle_ok(int device, int handle)
133  }  }
134    
135  /* 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 */
136  BOOL  static BOOL
137  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,
138                      DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer,                      DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer,
139                      uint32 offset)                      uint32 offset)
# Line 149  add_async_iorequest(uint32 device, uint3 Line 179  add_async_iorequest(uint32 device, uint3
179          return True;          return True;
180  }  }
181    
182  void  static void
183  rdpdr_send_connect(void)  rdpdr_send_connect(void)
184  {  {
185          uint8 magic[4] = "rDCC";          uint8 magic[4] = "rDCC";
# Line 165  rdpdr_send_connect(void) Line 195  rdpdr_send_connect(void)
195  }  }
196    
197    
198  void  static void
199  rdpdr_send_name(void)  rdpdr_send_name(void)
200  {  {
201          uint8 magic[4] = "rDNC";          uint8 magic[4] = "rDNC";
         if (NULL == g_rdpdr_clientname) {  
           g_rdpdr_clientname = hostname;  
         }  
         uint32 hostlen = (strlen(g_rdpdr_clientname) + 1) * 2;  
202          STREAM s;          STREAM s;
203            uint32 hostlen;
204    
205            if (NULL == g_rdpdr_clientname)
206            {
207                    g_rdpdr_clientname = hostname;
208            }
209            hostlen = (strlen(g_rdpdr_clientname) + 1) * 2;
210    
211          s = channel_init(rdpdr_channel, 16 + hostlen);          s = channel_init(rdpdr_channel, 16 + hostlen);
212          out_uint8a(s, magic, 4);          out_uint8a(s, magic, 4);
# Line 187  rdpdr_send_name(void) Line 220  rdpdr_send_name(void)
220  }  }
221    
222  /* Returns the size of the payload of the announce packet */  /* Returns the size of the payload of the announce packet */
223  int  static int
224  announcedata_size()  announcedata_size()
225  {  {
226          int size, i;          int size, i;
# Line 214  announcedata_size() Line 247  announcedata_size()
247          return size;          return size;
248  }  }
249    
250  void  static void
251  rdpdr_send_available(void)  rdpdr_send_available(void)
252  {  {
253    
# Line 272  rdpdr_send_available(void) Line 305  rdpdr_send_available(void)
305          channel_send(s, rdpdr_channel);          channel_send(s, rdpdr_channel);
306  }  }
307    
308  void  static void
309  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,
310                        uint32 length)                        uint32 length)
311  {  {
# Line 625  rdpdr_process_irp(STREAM s) Line 658  rdpdr_process_irp(STREAM s)
658                          result = buffer_len = out.p - out.data;                          result = buffer_len = out.p - out.data;
659                          break;                          break;
660    
661    
662                    case IRP_MJ_LOCK_CONTROL:
663    
664                            if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK)
665                            {
666                                    status = STATUS_INVALID_HANDLE;
667                                    break;
668                            }
669    
670                            in_uint32_le(s, info_level);
671    
672                            out.data = out.p = buffer;
673                            out.size = sizeof(buffer);
674                            /* FIXME: Perhaps consider actually *do*
675                               something here :-) */
676                            status = STATUS_SUCCESS;
677                            result = buffer_len = out.p - out.data;
678                            break;
679    
680                  default:                  default:
681                          unimpl("IRP major=0x%x minor=0x%x\n", major, minor);                          unimpl("IRP major=0x%x minor=0x%x\n", major, minor);
682                          break;                          break;
# Line 639  rdpdr_process_irp(STREAM s) Line 691  rdpdr_process_irp(STREAM s)
691          buffer = NULL;          buffer = NULL;
692  }  }
693    
694  void  static void
695  rdpdr_send_clientcapabilty(void)  rdpdr_send_clientcapabilty(void)
696  {  {
697          uint8 magic[4] = "rDPC";          uint8 magic[4] = "rDPC";
# Line 757  rdpdr_add_fds(int *n, fd_set * rfds, fd_ Line 809  rdpdr_add_fds(int *n, fd_set * rfds, fd_
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;
812            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                          {                          {
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