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/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
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Copyright (C) Matthew Chapman 1999-2004 |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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|
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/* |
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Here are some resources, for your IRP hacking pleasure: |
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http://cvs.sourceforge.net/viewcvs.py/mingw/w32api/include/ddk/winddk.h?view=markup |
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http://win32.mvps.org/ntfs/streams.cpp |
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|
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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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http://www.osronline.com/ |
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*/ |
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|
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#include <unistd.h> |
#include <unistd.h> |
37 |
#include <sys/types.h> |
#include <sys/types.h> |
38 |
#include <sys/time.h> |
#include <sys/time.h> |
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#include <dirent.h> /* opendir, closedir, readdir */ |
40 |
#include <time.h> |
#include <time.h> |
41 |
#include "rdesktop.h" |
#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_DEVICE_CONTROL 0x0e |
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|
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 |
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 |
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#define IRP_MJ_LOCK_CONTROL 0x11 |
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|
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 |
59 |
extern DEVICE_FNS printer_fns; |
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; |
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extern FILEINFO g_fileinfo[]; |
63 |
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|
64 |
static VCHANNEL *rdpdr_channel; |
static VCHANNEL *rdpdr_channel; |
65 |
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|
69 |
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|
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]; |
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char *g_rdpdr_clientname = NULL; |
73 |
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|
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, */ |
112 |
} |
} |
113 |
} |
} |
114 |
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|
115 |
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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: |
121 |
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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; |
127 |
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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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|
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 |
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, |
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|
uint32 offset) |
140 |
{ |
{ |
141 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
142 |
|
|
143 |
if (g_iorequest == NULL) |
if (g_iorequest == NULL) |
144 |
{ |
{ |
145 |
g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
146 |
|
if (!g_iorequest) |
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return False; |
148 |
g_iorequest->fd = 0; |
g_iorequest->fd = 0; |
149 |
g_iorequest->next = NULL; |
g_iorequest->next = NULL; |
150 |
} |
} |
158 |
{ |
{ |
159 |
iorq->next = |
iorq->next = |
160 |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
161 |
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if (!iorq->next) |
162 |
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return False; |
163 |
iorq->next->fd = 0; |
iorq->next->fd = 0; |
164 |
iorq->next->next = NULL; |
iorq->next->next = NULL; |
165 |
} |
} |
175 |
iorq->timeout = total_timeout; |
iorq->timeout = total_timeout; |
176 |
iorq->itv_timeout = interval_timeout; |
iorq->itv_timeout = interval_timeout; |
177 |
iorq->buffer = buffer; |
iorq->buffer = buffer; |
178 |
|
iorq->offset = offset; |
179 |
return True; |
return True; |
180 |
} |
} |
181 |
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|
199 |
rdpdr_send_name(void) |
rdpdr_send_name(void) |
200 |
{ |
{ |
201 |
uint8 magic[4] = "rDNC"; |
uint8 magic[4] = "rDNC"; |
|
uint32 hostlen = (strlen(hostname) + 1) * 2; |
|
202 |
STREAM s; |
STREAM s; |
203 |
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uint32 hostlen; |
204 |
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|
205 |
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if (NULL == g_rdpdr_clientname) |
206 |
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{ |
207 |
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g_rdpdr_clientname = hostname; |
208 |
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} |
209 |
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hostlen = (strlen(g_rdpdr_clientname) + 1) * 2; |
210 |
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|
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); |
214 |
out_uint16_le(s, 0x72); |
out_uint16_le(s, 0x72); |
215 |
out_uint32(s, 0); |
out_uint32(s, 0); |
216 |
out_uint32_le(s, hostlen); |
out_uint32_le(s, hostlen); |
217 |
rdp_out_unistr(s, hostname, hostlen - 2); |
rdp_out_unistr(s, g_rdpdr_clientname, hostlen - 2); |
218 |
s_mark_end(s); |
s_mark_end(s); |
219 |
channel_send(s, rdpdr_channel); |
channel_send(s, rdpdr_channel); |
220 |
} |
} |
450 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
451 |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
452 |
#endif |
#endif |
453 |
|
if (!rdpdr_handle_ok(device, file)) |
454 |
|
{ |
455 |
|
status = STATUS_INVALID_HANDLE; |
456 |
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break; |
457 |
|
} |
458 |
|
|
459 |
if (rw_blocking) // Complete read immediately |
if (rw_blocking) // Complete read immediately |
460 |
{ |
{ |
461 |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
462 |
|
if (!buffer) |
463 |
|
{ |
464 |
|
status = STATUS_CANCELLED; |
465 |
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break; |
466 |
|
} |
467 |
status = fns->read(file, buffer, length, offset, &result); |
status = fns->read(file, buffer, length, offset, &result); |
468 |
buffer_len = result; |
buffer_len = result; |
469 |
break; |
break; |
471 |
|
|
472 |
// Add request to table |
// Add request to table |
473 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
474 |
|
if (!pst_buf) |
475 |
|
{ |
476 |
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status = STATUS_CANCELLED; |
477 |
|
break; |
478 |
|
} |
479 |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
480 |
if (add_async_iorequest |
if (add_async_iorequest |
481 |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
482 |
pst_buf)) |
pst_buf, offset)) |
483 |
{ |
{ |
484 |
status = STATUS_PENDING; |
status = STATUS_PENDING; |
485 |
break; |
break; |
503 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
504 |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
505 |
#endif |
#endif |
506 |
|
if (!rdpdr_handle_ok(device, file)) |
507 |
|
{ |
508 |
|
status = STATUS_INVALID_HANDLE; |
509 |
|
break; |
510 |
|
} |
511 |
|
|
512 |
if (rw_blocking) // Complete immediately |
if (rw_blocking) // Complete immediately |
513 |
{ |
{ |
514 |
status = fns->write(file, s->p, length, offset, &result); |
status = fns->write(file, s->p, length, offset, &result); |
517 |
|
|
518 |
// Add to table |
// Add to table |
519 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
520 |
|
if (!pst_buf) |
521 |
|
{ |
522 |
|
status = STATUS_CANCELLED; |
523 |
|
break; |
524 |
|
} |
525 |
|
|
526 |
in_uint8a(s, pst_buf, length); |
in_uint8a(s, pst_buf, length); |
527 |
|
|
528 |
if (add_async_iorequest |
if (add_async_iorequest |
529 |
(device, file, id, major, length, fns, 0, 0, pst_buf)) |
(device, file, id, major, length, fns, 0, 0, pst_buf, offset)) |
530 |
{ |
{ |
531 |
status = STATUS_PENDING; |
status = STATUS_PENDING; |
532 |
break; |
break; |
646 |
in_uint8s(s, 0x14); |
in_uint8s(s, 0x14); |
647 |
|
|
648 |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
649 |
|
if (!buffer) |
650 |
|
{ |
651 |
|
status = STATUS_CANCELLED; |
652 |
|
break; |
653 |
|
} |
654 |
|
|
655 |
out.data = out.p = buffer; |
out.data = out.p = buffer; |
656 |
out.size = sizeof(buffer); |
out.size = sizeof(buffer); |
657 |
status = fns->device_control(file, request, s, &out); |
status = fns->device_control(file, request, s, &out); |
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; |
686 |
{ |
{ |
687 |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
688 |
} |
} |
689 |
xfree(buffer); |
if (buffer) |
690 |
|
xfree(buffer); |
691 |
|
buffer = NULL; |
692 |
} |
} |
693 |
|
|
694 |
void |
void |
847 |
} |
} |
848 |
} |
} |
849 |
|
|
850 |
|
struct async_iorequest * |
851 |
|
rdpdr_remove_iorequest(struct async_iorequest *prev, struct async_iorequest *iorq) |
852 |
|
{ |
853 |
|
if (!iorq) |
854 |
|
return NULL; |
855 |
|
|
856 |
|
if (iorq->buffer) |
857 |
|
xfree(iorq->buffer); |
858 |
|
if (prev) |
859 |
|
{ |
860 |
|
prev->next = iorq->next; |
861 |
|
xfree(iorq); |
862 |
|
iorq = prev->next; |
863 |
|
} |
864 |
|
else |
865 |
|
{ |
866 |
|
// Even if NULL |
867 |
|
g_iorequest = iorq->next; |
868 |
|
xfree(iorq); |
869 |
|
iorq = NULL; |
870 |
|
} |
871 |
|
return iorq; |
872 |
|
} |
873 |
|
|
874 |
/* 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 */ |
875 |
void |
void |
909 |
/* never read larger chunks than 8k - chances are that it will block */ |
/* never read larger chunks than 8k - chances are that it will block */ |
910 |
status = fns->read(iorq->fd, |
status = fns->read(iorq->fd, |
911 |
iorq->buffer + iorq->partial_len, |
iorq->buffer + iorq->partial_len, |
912 |
req_size, 0, &result); |
req_size, iorq->offset, &result); |
|
iorq->partial_len += result; |
|
913 |
|
|
914 |
|
if (result > 0) |
915 |
|
{ |
916 |
|
iorq->partial_len += result; |
917 |
|
iorq->offset += result; |
918 |
|
} |
919 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
920 |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
921 |
#endif |
#endif |
927 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
928 |
DEBUG(("RDPDR: AIO total %u bytes read of %u\n", iorq->partial_len, iorq->length)); |
DEBUG(("RDPDR: AIO total %u bytes read of %u\n", iorq->partial_len, iorq->length)); |
929 |
#endif |
#endif |
|
/* send the data */ |
|
|
status = STATUS_SUCCESS; |
|
930 |
rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
931 |
iorq->id, status, |
iorq->id, status, |
932 |
iorq->partial_len, |
iorq->partial_len, |
933 |
iorq->buffer, |
iorq->buffer, |
934 |
iorq->partial_len); |
iorq->partial_len); |
935 |
xfree(iorq->buffer); |
iorq = rdpdr_remove_iorequest(prev, iorq); |
|
iorq->fd = 0; |
|
|
if (prev != NULL) |
|
|
{ |
|
|
prev->next = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
|
else |
|
|
{ |
|
|
// Even if NULL |
|
|
g_iorequest = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
936 |
} |
} |
937 |
} |
} |
938 |
break; |
break; |
950 |
/* never write larger chunks than 8k - chances are that it will block */ |
/* never write larger chunks than 8k - chances are that it will block */ |
951 |
status = fns->write(iorq->fd, |
status = fns->write(iorq->fd, |
952 |
iorq->buffer + |
iorq->buffer + |
953 |
iorq->partial_len, req_size, 0, |
iorq->partial_len, req_size, |
954 |
&result); |
iorq->offset, &result); |
955 |
iorq->partial_len += result; |
|
956 |
|
if (result > 0) |
957 |
|
{ |
958 |
|
iorq->partial_len += result; |
959 |
|
iorq->offset += result; |
960 |
|
} |
961 |
|
|
962 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
963 |
DEBUG(("RDPDR: %d bytes of data written\n", |
DEBUG(("RDPDR: %d bytes of data written\n", |
964 |
result)); |
result)); |
971 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
972 |
DEBUG(("RDPDR: AIO total %u bytes written of %u\n", iorq->partial_len, iorq->length)); |
DEBUG(("RDPDR: AIO total %u bytes written of %u\n", iorq->partial_len, iorq->length)); |
973 |
#endif |
#endif |
|
/* send a status success */ |
|
|
status = STATUS_SUCCESS; |
|
974 |
rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
975 |
iorq->id, status, |
iorq->id, status, |
976 |
iorq->partial_len, |
iorq->partial_len, |
977 |
(uint8 *) "", 1); |
(uint8 *) "", 1); |
978 |
|
|
979 |
xfree(iorq->buffer); |
iorq = rdpdr_remove_iorequest(prev, iorq); |
|
iorq->fd = 0; |
|
|
if (prev != NULL) |
|
|
{ |
|
|
prev->next = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
|
else |
|
|
{ |
|
|
// Even if NULL |
|
|
g_iorequest = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
980 |
} |
} |
981 |
} |
} |
982 |
break; |
break; |
984 |
|
|
985 |
} |
} |
986 |
prev = iorq; |
prev = iorq; |
987 |
iorq = iorq->next; |
if (iorq) |
988 |
|
iorq = iorq->next; |
989 |
} |
} |
990 |
|
|
991 |
} |
} |
1009 |
result = 0; |
result = 0; |
1010 |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
1011 |
1); |
1); |
1012 |
xfree(iorq->buffer); |
|
1013 |
iorq->fd = 0; |
iorq = rdpdr_remove_iorequest(prev, iorq); |
|
if (prev != NULL) |
|
|
{ |
|
|
prev->next = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
|
else |
|
|
{ |
|
|
// Even if NULL |
|
|
g_iorequest = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
1014 |
return True; |
return True; |
1015 |
} |
} |
1016 |
|
|