1 |
#include <unistd.h> |
#include <unistd.h> |
2 |
#include <sys/types.h> |
#include <sys/types.h> |
3 |
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#include <sys/time.h> |
4 |
#include <time.h> |
#include <time.h> |
5 |
#include "rdesktop.h" |
#include "rdesktop.h" |
6 |
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|
23 |
#define IRP_MN_QUERY_DIRECTORY 0x01 |
#define IRP_MN_QUERY_DIRECTORY 0x01 |
24 |
#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
25 |
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//#define MAX_ASYNC_IO_REQUESTS 10 |
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26 |
extern char hostname[16]; |
extern char hostname[16]; |
27 |
extern DEVICE_FNS serial_fns; |
extern DEVICE_FNS serial_fns; |
28 |
extern DEVICE_FNS printer_fns; |
extern DEVICE_FNS printer_fns; |
29 |
extern DEVICE_FNS parallel_fns; |
extern DEVICE_FNS parallel_fns; |
30 |
extern DEVICE_FNS disk_fns; |
extern DEVICE_FNS disk_fns; |
31 |
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32 |
static VCHANNEL *rdpdr_channel; |
static VCHANNEL *rdpdr_channel; |
33 |
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34 |
/* 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 */ |
38 |
/* Table with information about rdpdr devices */ |
/* Table with information about rdpdr devices */ |
39 |
RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
40 |
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#if 0 |
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41 |
/* 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 */ |
42 |
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/* using a linked list ensures that they are processed in the right order, */ |
43 |
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/* if multiple ios are being done on the same fd */ |
44 |
struct async_iorequest |
struct async_iorequest |
45 |
{ |
{ |
46 |
uint32 fd, major, minor, offset, device, id, length; |
uint32 fd, major, minor, offset, device, id, length, partial_len; |
47 |
long timeout, /* Total timeout */ |
long timeout, /* Total timeout */ |
48 |
itv_timeout; /* Interval timeout (between serial characters) */ |
itv_timeout; /* Interval timeout (between serial characters) */ |
49 |
uint8 *buffer; |
uint8 *buffer; |
50 |
DEVICE_FNS *fns; |
DEVICE_FNS *fns; |
51 |
} g_iorequest[MAX_ASYNC_IO_REQUESTS]; |
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52 |
#endif |
struct async_iorequest *next; /* next element in list */ |
53 |
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}; |
54 |
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55 |
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struct async_iorequest *g_iorequest; |
56 |
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57 |
/* Return device_id for a given handle */ |
/* Return device_id for a given handle */ |
58 |
int |
int |
79 |
} |
} |
80 |
} |
} |
81 |
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#if 0 |
|
82 |
/* 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 */ |
83 |
BOOL |
BOOL |
84 |
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, |
85 |
DEVICE_FNS * fns, long total_timeout, long interval_timeout, uint8 * buffer) |
DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer) |
86 |
{ |
{ |
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int i; |
|
87 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
88 |
|
|
89 |
for (i = 0; i < MAX_ASYNC_IO_REQUESTS; i++) |
if (g_iorequest == NULL) |
90 |
{ |
{ |
91 |
iorq = &g_iorequest[i]; |
g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
92 |
|
g_iorequest->fd = 0; |
93 |
if (iorq->fd == 0) |
g_iorequest->next = NULL; |
94 |
{ |
} |
95 |
iorq->device = device; |
|
96 |
iorq->fd = file; |
iorq = g_iorequest; |
97 |
iorq->id = id; |
|
98 |
iorq->major = major; |
while (iorq->fd != 0) |
99 |
iorq->length = length; |
{ |
100 |
iorq->fns = fns; |
// create new element if needed |
101 |
iorq->timeout = total_timeout; |
if (iorq->next == NULL) |
102 |
iorq->itv_timeout = interval_timeout; |
{ |
103 |
iorq->buffer = buffer; |
iorq->next = |
104 |
return True; |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
105 |
} |
iorq->next->fd = 0; |
106 |
} |
iorq->next->next = NULL; |
107 |
error("IO request table full. Increase MAX_ASYNC_IO_REQUESTS in rdpdr.c!\n"); |
} |
108 |
return False; |
iorq = iorq->next; |
109 |
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} |
110 |
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iorq->device = device; |
111 |
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iorq->fd = file; |
112 |
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iorq->id = id; |
113 |
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iorq->major = major; |
114 |
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iorq->length = length; |
115 |
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iorq->partial_len = 0; |
116 |
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iorq->fns = fns; |
117 |
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iorq->timeout = total_timeout; |
118 |
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iorq->itv_timeout = interval_timeout; |
119 |
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iorq->buffer = buffer; |
120 |
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return True; |
121 |
} |
} |
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#endif |
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122 |
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123 |
void |
void |
124 |
rdpdr_send_connect(void) |
rdpdr_send_connect(void) |
221 |
rdp_out_unistr(s, printerinfo->printer, printerlen - 2); |
rdp_out_unistr(s, printerinfo->printer, printerlen - 2); |
222 |
out_uint8a(s, printerinfo->blob, bloblen); |
out_uint8a(s, printerinfo->blob, bloblen); |
223 |
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|
224 |
xfree(printerinfo->blob); /* Blob is sent twice if reconnecting */ |
if (printerinfo->blob) |
225 |
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xfree(printerinfo->blob); /* Blob is sent twice if reconnecting */ |
226 |
break; |
break; |
227 |
default: |
default: |
228 |
out_uint32(s, 0); |
out_uint32(s, 0); |
302 |
case DEVICE_TYPE_SERIAL: |
case DEVICE_TYPE_SERIAL: |
303 |
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|
304 |
fns = &serial_fns; |
fns = &serial_fns; |
305 |
/* should be async when aio is finished */ |
rw_blocking = False; |
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/*rw_blocking = False; */ |
|
306 |
break; |
break; |
307 |
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308 |
case DEVICE_TYPE_PARALLEL: |
case DEVICE_TYPE_PARALLEL: |
309 |
|
|
310 |
fns = ¶llel_fns; |
fns = ¶llel_fns; |
311 |
/* should be async when aio is finished */ |
rw_blocking = False; |
|
/*rw_blocking = False;*/ |
|
312 |
break; |
break; |
313 |
|
|
314 |
case DEVICE_TYPE_PRINTER: |
case DEVICE_TYPE_PRINTER: |
319 |
case DEVICE_TYPE_DISK: |
case DEVICE_TYPE_DISK: |
320 |
|
|
321 |
fns = &disk_fns; |
fns = &disk_fns; |
322 |
|
rw_blocking = False; |
323 |
break; |
break; |
324 |
|
|
325 |
case DEVICE_TYPE_SCARD: |
case DEVICE_TYPE_SCARD: |
385 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
386 |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
387 |
#endif |
#endif |
388 |
// if (rw_blocking) // Complete read immediately |
if (rw_blocking) // Complete read immediately |
389 |
// { |
{ |
390 |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
391 |
status = fns->read(file, buffer, length, offset, &result); |
status = fns->read(file, buffer, length, offset, &result); |
392 |
buffer_len = result; |
buffer_len = result; |
393 |
break; |
break; |
394 |
// } |
} |
395 |
|
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|
#if 0 |
|
396 |
// Add request to table |
// Add request to table |
397 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
398 |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
406 |
|
|
407 |
status = STATUS_CANCELLED; |
status = STATUS_CANCELLED; |
408 |
break; |
break; |
|
#endif |
|
409 |
case IRP_MJ_WRITE: |
case IRP_MJ_WRITE: |
410 |
|
|
411 |
buffer_len = 1; |
buffer_len = 1; |
422 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
423 |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
424 |
#endif |
#endif |
425 |
// if (rw_blocking) // Complete immediately |
if (rw_blocking) // Complete immediately |
426 |
// { |
{ |
427 |
status = fns->write(file, s->p, length, offset, &result); |
status = fns->write(file, s->p, length, offset, &result); |
428 |
break; |
break; |
429 |
// } |
} |
430 |
#if 0 |
|
431 |
// Add to table |
// Add to table |
432 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
433 |
in_uint8a(s, pst_buf, length); |
in_uint8a(s, pst_buf, length); |
441 |
|
|
442 |
status = STATUS_CANCELLED; |
status = STATUS_CANCELLED; |
443 |
break; |
break; |
|
#endif |
|
444 |
|
|
445 |
case IRP_MJ_QUERY_INFORMATION: |
case IRP_MJ_QUERY_INFORMATION: |
446 |
|
|
684 |
return (rdpdr_channel != NULL); |
return (rdpdr_channel != NULL); |
685 |
} |
} |
686 |
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|
#if 0 |
|
687 |
/* Add file descriptors of pending io request to select() */ |
/* Add file descriptors of pending io request to select() */ |
688 |
void |
void |
689 |
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, BOOL * timeout) |
690 |
{ |
{ |
691 |
int i; |
uint32 select_timeout = 0; // Timeout value to be used for select() (in millisecons). |
|
long select_timeout = 0; // Timeout value to be used for select() (in millisecons). |
|
692 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
693 |
|
|
694 |
for (i = 0; i < MAX_ASYNC_IO_REQUESTS; i++) |
iorq = g_iorequest; |
695 |
|
while (iorq != NULL) |
696 |
{ |
{ |
697 |
iorq = &g_iorequest[i]; |
if (iorq->fd != 0) |
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|
if (iorq->fd != 0) // Found a pending io request |
|
698 |
{ |
{ |
699 |
switch (iorq->major) |
switch (iorq->major) |
700 |
{ |
{ |
717 |
break; |
break; |
718 |
|
|
719 |
case IRP_MJ_WRITE: |
case IRP_MJ_WRITE: |
|
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|
720 |
FD_SET(iorq->fd, wfds); |
FD_SET(iorq->fd, wfds); |
721 |
break; |
break; |
722 |
|
|
723 |
} |
} |
724 |
*n = MAX(*n, iorq->fd); |
*n = MAX(*n, iorq->fd); |
725 |
} |
} |
726 |
|
|
727 |
|
iorq = iorq->next; |
728 |
} |
} |
729 |
} |
} |
730 |
|
|
733 |
void |
void |
734 |
rdpdr_check_fds(fd_set * rfds, fd_set * wfds, BOOL timed_out) |
rdpdr_check_fds(fd_set * rfds, fd_set * wfds, BOOL timed_out) |
735 |
{ |
{ |
|
int i; |
|
736 |
NTSTATUS status; |
NTSTATUS status; |
737 |
uint32 result = 0, buffer_len = 0; |
uint32 result = 0; |
738 |
DEVICE_FNS *fns; |
DEVICE_FNS *fns; |
739 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
740 |
|
struct async_iorequest *prev; |
741 |
|
uint32 req_size = 0; |
742 |
|
|
743 |
if (timed_out) |
if (timed_out) |
744 |
{ |
{ |
746 |
return; |
return; |
747 |
} |
} |
748 |
|
|
749 |
// Walk through array of pending io_rq's |
iorq = g_iorequest; |
750 |
for (i = 0; i < MAX_ASYNC_IO_REQUESTS; i++) |
prev = NULL; |
751 |
|
while (iorq != NULL) |
752 |
{ |
{ |
|
iorq = &g_iorequest[i]; |
|
|
|
|
753 |
if (iorq->fd != 0) |
if (iorq->fd != 0) |
754 |
{ |
{ |
755 |
switch (iorq->major) |
switch (iorq->major) |
756 |
{ |
{ |
|
|
|
757 |
case IRP_MJ_READ: |
case IRP_MJ_READ: |
|
|
|
758 |
if (FD_ISSET(iorq->fd, rfds)) |
if (FD_ISSET(iorq->fd, rfds)) |
759 |
{ |
{ |
760 |
// Read, and send data. |
/* Read the data */ |
761 |
fns = iorq->fns; |
fns = iorq->fns; |
762 |
status = fns->read(iorq->fd, iorq->buffer, |
|
763 |
iorq->length, 0, &result); |
req_size = |
764 |
buffer_len = result; |
(iorq->length - iorq->partial_len) > |
765 |
|
8192 ? 8192 : (iorq->length - |
766 |
rdpdr_send_completion(iorq->device, iorq->id, |
iorq->partial_len); |
767 |
status, result, iorq->buffer, |
/* never read larger chunks than 8k - chances are that it will block */ |
768 |
buffer_len); |
status = fns->read(iorq->fd, |
769 |
|
iorq->buffer + iorq->partial_len, |
770 |
|
req_size, 0, &result); |
771 |
|
iorq->partial_len += result; |
772 |
|
|
773 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
774 |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
775 |
#endif |
#endif |
776 |
xfree(iorq->buffer); |
/* only delete link if all data has been transfered */ |
777 |
iorq->fd = 0; |
/* or if result was 0 and status success - EOF */ |
778 |
|
if ((iorq->partial_len == iorq->length) || |
779 |
|
(result == 0)) |
780 |
|
{ |
781 |
|
#if WITH_DEBUG_RDP5 |
782 |
|
DEBUG(("RDPDR: AIO total %u bytes read of %u\n", iorq->partial_len, iorq->length)); |
783 |
|
#endif |
784 |
|
/* send the data */ |
785 |
|
status = STATUS_SUCCESS; |
786 |
|
rdpdr_send_completion(iorq->device, |
787 |
|
iorq->id, status, |
788 |
|
iorq->partial_len, |
789 |
|
iorq->buffer, |
790 |
|
iorq->partial_len); |
791 |
|
xfree(iorq->buffer); |
792 |
|
iorq->fd = 0; |
793 |
|
if (prev != NULL) |
794 |
|
{ |
795 |
|
prev->next = iorq->next; |
796 |
|
xfree(iorq); |
797 |
|
} |
798 |
|
else |
799 |
|
{ |
800 |
|
// Even if NULL |
801 |
|
g_iorequest = iorq->next; |
802 |
|
xfree(iorq); |
803 |
|
} |
804 |
|
} |
805 |
} |
} |
806 |
break; |
break; |
|
|
|
807 |
case IRP_MJ_WRITE: |
case IRP_MJ_WRITE: |
|
|
|
808 |
if (FD_ISSET(iorq->fd, wfds)) |
if (FD_ISSET(iorq->fd, wfds)) |
809 |
{ |
{ |
810 |
// Write data and send completion. |
/* Write data. */ |
811 |
fns = iorq->fns; |
fns = iorq->fns; |
|
status = fns->write(iorq->fd, iorq->buffer, |
|
|
iorq->length, 0, &result); |
|
|
rdpdr_send_completion(iorq->device, iorq->id, |
|
|
status, result, "", 1); |
|
812 |
|
|
813 |
xfree(iorq->buffer); |
req_size = |
814 |
iorq->fd = 0; |
(iorq->length - iorq->partial_len) > |
815 |
|
8192 ? 8192 : (iorq->length - |
816 |
|
iorq->partial_len); |
817 |
|
|
818 |
|
/* never write larger chunks than 8k - chances are that it will block */ |
819 |
|
status = fns->write(iorq->fd, |
820 |
|
iorq->buffer + |
821 |
|
iorq->partial_len, req_size, 0, |
822 |
|
&result); |
823 |
|
iorq->partial_len += result; |
824 |
|
#if WITH_DEBUG_RDP5 |
825 |
|
DEBUG(("RDPDR: %d bytes of data written\n", |
826 |
|
result)); |
827 |
|
#endif |
828 |
|
/* only delete link if all data has been transfered */ |
829 |
|
/* or we couldn't write */ |
830 |
|
if ((iorq->partial_len == iorq->length) |
831 |
|
|| (result == 0)) |
832 |
|
{ |
833 |
|
#if WITH_DEBUG_RDP5 |
834 |
|
DEBUG(("RDPDR: AIO total %u bytes written of %u\n", iorq->partial_len, iorq->length)); |
835 |
|
#endif |
836 |
|
/* send a status success */ |
837 |
|
status = STATUS_SUCCESS; |
838 |
|
rdpdr_send_completion(iorq->device, |
839 |
|
iorq->id, status, |
840 |
|
iorq->partial_len, |
841 |
|
(uint8 *) "", 1); |
842 |
|
|
843 |
|
xfree(iorq->buffer); |
844 |
|
iorq->fd = 0; |
845 |
|
if (prev != NULL) |
846 |
|
{ |
847 |
|
prev->next = iorq->next; |
848 |
|
xfree(iorq); |
849 |
|
} |
850 |
|
else |
851 |
|
{ |
852 |
|
// Even if NULL |
853 |
|
g_iorequest = iorq->next; |
854 |
|
xfree(iorq); |
855 |
|
} |
856 |
|
} |
857 |
} |
} |
858 |
break; |
break; |
859 |
} |
} |
860 |
|
|
861 |
} |
} |
862 |
|
prev = iorq; |
863 |
|
iorq = iorq->next; |
864 |
} |
} |
865 |
|
|
866 |
} |
} |
867 |
|
|
868 |
/* Abort a pending io request for a given handle and major */ |
/* Abort a pending io request for a given handle and major */ |
870 |
rdpdr_abort_io(uint32 fd, uint32 major, NTSTATUS status) |
rdpdr_abort_io(uint32 fd, uint32 major, NTSTATUS status) |
871 |
{ |
{ |
872 |
uint32 result; |
uint32 result; |
|
int i; |
|
873 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
874 |
|
struct async_iorequest *prev; |
875 |
|
|
876 |
for (i = 0; i < MAX_ASYNC_IO_REQUESTS; i++) |
iorq = g_iorequest; |
877 |
|
prev = NULL; |
878 |
|
while (iorq != NULL) |
879 |
{ |
{ |
|
iorq = &g_iorequest[i]; |
|
|
|
|
880 |
// 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. |
881 |
// Abort read should not abort a write io request. |
// Abort read should not abort a write io request. |
882 |
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
883 |
{ |
{ |
884 |
result = 0; |
result = 0; |
885 |
rdpdr_send_completion(iorq->device, iorq->id, status, result, "", 1); |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
886 |
|
1); |
887 |
xfree(iorq->buffer); |
xfree(iorq->buffer); |
888 |
iorq->fd = 0; |
iorq->fd = 0; |
889 |
|
if (prev != NULL) |
890 |
|
{ |
891 |
|
prev->next = iorq->next; |
892 |
|
xfree(iorq); |
893 |
|
} |
894 |
|
else |
895 |
|
{ |
896 |
|
// Even if NULL |
897 |
|
g_iorequest = iorq->next; |
898 |
|
xfree(iorq); |
899 |
|
} |
900 |
return True; |
return True; |
901 |
} |
} |
902 |
|
|
903 |
|
prev = iorq; |
904 |
|
iorq = iorq->next; |
905 |
} |
} |
906 |
|
|
907 |
return False; |
return False; |
908 |
} |
} |
|
#endif |
|