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 |
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#include <dirent.h> /* opendir, closedir, readdir */ |
5 |
#include <time.h> |
#include <time.h> |
6 |
#include "rdesktop.h" |
#include "rdesktop.h" |
7 |
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|
29 |
extern DEVICE_FNS printer_fns; |
extern DEVICE_FNS printer_fns; |
30 |
extern DEVICE_FNS parallel_fns; |
extern DEVICE_FNS parallel_fns; |
31 |
extern DEVICE_FNS disk_fns; |
extern DEVICE_FNS disk_fns; |
32 |
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extern FILEINFO g_fileinfo[]; |
33 |
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34 |
static VCHANNEL *rdpdr_channel; |
static VCHANNEL *rdpdr_channel; |
35 |
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|
81 |
} |
} |
82 |
} |
} |
83 |
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84 |
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BOOL |
85 |
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rdpdr_handle_ok(int device, int handle) |
86 |
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{ |
87 |
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switch (g_rdpdr_device[device].device_type) |
88 |
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{ |
89 |
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case DEVICE_TYPE_PARALLEL: |
90 |
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case DEVICE_TYPE_SERIAL: |
91 |
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case DEVICE_TYPE_PRINTER: |
92 |
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case DEVICE_TYPE_SCARD: |
93 |
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if (g_rdpdr_device[device].handle != handle) |
94 |
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return False; |
95 |
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break; |
96 |
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case DEVICE_TYPE_DISK: |
97 |
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if (g_fileinfo[handle].device_id != device) |
98 |
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return False; |
99 |
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break; |
100 |
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} |
101 |
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return True; |
102 |
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} |
103 |
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|
104 |
/* 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 */ |
105 |
BOOL |
BOOL |
106 |
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, |
107 |
DEVICE_FNS * fns, long total_timeout, long interval_timeout, uint8 * buffer) |
DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer, |
108 |
|
uint32 offset) |
109 |
{ |
{ |
110 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
111 |
|
|
112 |
if (g_iorequest == NULL) |
if (g_iorequest == NULL) |
113 |
{ |
{ |
114 |
g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
115 |
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if (!g_iorequest) |
116 |
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return False; |
117 |
g_iorequest->fd = 0; |
g_iorequest->fd = 0; |
118 |
g_iorequest->next = NULL; |
g_iorequest->next = NULL; |
119 |
} |
} |
127 |
{ |
{ |
128 |
iorq->next = |
iorq->next = |
129 |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
130 |
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if (!iorq->next) |
131 |
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return False; |
132 |
iorq->next->fd = 0; |
iorq->next->fd = 0; |
133 |
iorq->next->next = NULL; |
iorq->next->next = NULL; |
134 |
} |
} |
144 |
iorq->timeout = total_timeout; |
iorq->timeout = total_timeout; |
145 |
iorq->itv_timeout = interval_timeout; |
iorq->itv_timeout = interval_timeout; |
146 |
iorq->buffer = buffer; |
iorq->buffer = buffer; |
147 |
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iorq->offset = offset; |
148 |
return True; |
return True; |
149 |
} |
} |
150 |
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|
413 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
414 |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
415 |
#endif |
#endif |
416 |
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if (!rdpdr_handle_ok(device, file)) |
417 |
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{ |
418 |
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status = STATUS_INVALID_HANDLE; |
419 |
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break; |
420 |
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} |
421 |
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|
422 |
if (rw_blocking) // Complete read immediately |
if (rw_blocking) // Complete read immediately |
423 |
{ |
{ |
424 |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
425 |
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if (!buffer) |
426 |
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{ |
427 |
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status = STATUS_CANCELLED; |
428 |
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break; |
429 |
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} |
430 |
status = fns->read(file, buffer, length, offset, &result); |
status = fns->read(file, buffer, length, offset, &result); |
431 |
buffer_len = result; |
buffer_len = result; |
432 |
break; |
break; |
434 |
|
|
435 |
// Add request to table |
// Add request to table |
436 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
437 |
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if (!pst_buf) |
438 |
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{ |
439 |
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status = STATUS_CANCELLED; |
440 |
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break; |
441 |
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} |
442 |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
443 |
if (add_async_iorequest |
if (add_async_iorequest |
444 |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
445 |
pst_buf)) |
pst_buf, offset)) |
446 |
{ |
{ |
447 |
status = STATUS_PENDING; |
status = STATUS_PENDING; |
448 |
break; |
break; |
466 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
467 |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
468 |
#endif |
#endif |
469 |
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if (!rdpdr_handle_ok(device, file)) |
470 |
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{ |
471 |
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status = STATUS_INVALID_HANDLE; |
472 |
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break; |
473 |
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} |
474 |
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|
475 |
if (rw_blocking) // Complete immediately |
if (rw_blocking) // Complete immediately |
476 |
{ |
{ |
477 |
status = fns->write(file, s->p, length, offset, &result); |
status = fns->write(file, s->p, length, offset, &result); |
480 |
|
|
481 |
// Add to table |
// Add to table |
482 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
483 |
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if (!pst_buf) |
484 |
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{ |
485 |
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status = STATUS_CANCELLED; |
486 |
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break; |
487 |
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} |
488 |
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|
489 |
in_uint8a(s, pst_buf, length); |
in_uint8a(s, pst_buf, length); |
490 |
|
|
491 |
if (add_async_iorequest |
if (add_async_iorequest |
492 |
(device, file, id, major, length, fns, 0, 0, pst_buf)) |
(device, file, id, major, length, fns, 0, 0, pst_buf, offset)) |
493 |
{ |
{ |
494 |
status = STATUS_PENDING; |
status = STATUS_PENDING; |
495 |
break; |
break; |
609 |
in_uint8s(s, 0x14); |
in_uint8s(s, 0x14); |
610 |
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|
611 |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
612 |
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if (!buffer) |
613 |
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{ |
614 |
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status = STATUS_CANCELLED; |
615 |
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break; |
616 |
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} |
617 |
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|
618 |
out.data = out.p = buffer; |
out.data = out.p = buffer; |
619 |
out.size = sizeof(buffer); |
out.size = sizeof(buffer); |
620 |
status = fns->device_control(file, request, s, &out); |
status = fns->device_control(file, request, s, &out); |
630 |
{ |
{ |
631 |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
632 |
} |
} |
633 |
xfree(buffer); |
if (buffer) |
634 |
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xfree(buffer); |
635 |
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buffer = NULL; |
636 |
} |
} |
637 |
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|
638 |
void |
void |
751 |
void |
void |
752 |
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) |
753 |
{ |
{ |
754 |
long 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). |
755 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
756 |
|
|
757 |
iorq = g_iorequest; |
iorq = g_iorequest; |
791 |
} |
} |
792 |
} |
} |
793 |
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|
794 |
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struct async_iorequest * |
795 |
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rdpdr_remove_iorequest(struct async_iorequest *prev, struct async_iorequest *iorq) |
796 |
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{ |
797 |
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if (!iorq) |
798 |
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return NULL; |
799 |
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|
800 |
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if (iorq->buffer) |
801 |
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xfree(iorq->buffer); |
802 |
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if (prev) |
803 |
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{ |
804 |
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prev->next = iorq->next; |
805 |
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xfree(iorq); |
806 |
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iorq = prev->next; |
807 |
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} |
808 |
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else |
809 |
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{ |
810 |
|
// Even if NULL |
811 |
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g_iorequest = iorq->next; |
812 |
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xfree(iorq); |
813 |
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iorq = NULL; |
814 |
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} |
815 |
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return iorq; |
816 |
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} |
817 |
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|
818 |
/* 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 */ |
819 |
void |
void |
853 |
/* never read larger chunks than 8k - chances are that it will block */ |
/* never read larger chunks than 8k - chances are that it will block */ |
854 |
status = fns->read(iorq->fd, |
status = fns->read(iorq->fd, |
855 |
iorq->buffer + iorq->partial_len, |
iorq->buffer + iorq->partial_len, |
856 |
req_size, 0, &result); |
req_size, iorq->offset, &result); |
|
iorq->partial_len += result; |
|
857 |
|
|
858 |
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if (result > 0) |
859 |
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{ |
860 |
|
iorq->partial_len += result; |
861 |
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iorq->offset += result; |
862 |
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} |
863 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
864 |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
865 |
#endif |
#endif |
871 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
872 |
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)); |
873 |
#endif |
#endif |
|
/* send the data */ |
|
|
status = STATUS_SUCCESS; |
|
874 |
rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
875 |
iorq->id, status, |
iorq->id, status, |
876 |
iorq->partial_len, |
iorq->partial_len, |
877 |
iorq->buffer, |
iorq->buffer, |
878 |
iorq->partial_len); |
iorq->partial_len); |
879 |
xfree(iorq->buffer); |
iorq = rdpdr_remove_iorequest(prev, iorq); |
|
iorq->fd = 0; |
|
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if (prev != NULL) |
|
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{ |
|
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prev->next = iorq->next; |
|
|
xfree(iorq); |
|
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} |
|
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else |
|
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{ |
|
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// Even if NULL |
|
|
g_iorequest = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
880 |
} |
} |
881 |
} |
} |
882 |
break; |
break; |
894 |
/* never write larger chunks than 8k - chances are that it will block */ |
/* never write larger chunks than 8k - chances are that it will block */ |
895 |
status = fns->write(iorq->fd, |
status = fns->write(iorq->fd, |
896 |
iorq->buffer + |
iorq->buffer + |
897 |
iorq->partial_len, req_size, 0, |
iorq->partial_len, req_size, |
898 |
&result); |
iorq->offset, &result); |
899 |
iorq->partial_len += result; |
|
900 |
|
if (result > 0) |
901 |
|
{ |
902 |
|
iorq->partial_len += result; |
903 |
|
iorq->offset += result; |
904 |
|
} |
905 |
|
|
906 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
907 |
DEBUG(("RDPDR: %d bytes of data written\n", |
DEBUG(("RDPDR: %d bytes of data written\n", |
908 |
result)); |
result)); |
915 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
916 |
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)); |
917 |
#endif |
#endif |
|
/* send a status success */ |
|
|
status = STATUS_SUCCESS; |
|
918 |
rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
919 |
iorq->id, status, |
iorq->id, status, |
920 |
iorq->partial_len, (uint8*)"", |
iorq->partial_len, |
921 |
1); |
(uint8 *) "", 1); |
922 |
|
|
923 |
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); |
|
|
} |
|
924 |
} |
} |
925 |
} |
} |
926 |
break; |
break; |
928 |
|
|
929 |
} |
} |
930 |
prev = iorq; |
prev = iorq; |
931 |
iorq = iorq->next; |
if (iorq) |
932 |
|
iorq = iorq->next; |
933 |
} |
} |
934 |
|
|
935 |
} |
} |
951 |
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
952 |
{ |
{ |
953 |
result = 0; |
result = 0; |
954 |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8*)"", 1); |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
955 |
xfree(iorq->buffer); |
1); |
956 |
iorq->fd = 0; |
|
957 |
if (prev != NULL) |
iorq = rdpdr_remove_iorequest(prev, iorq); |
|
{ |
|
|
prev->next = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
|
else |
|
|
{ |
|
|
// Even if NULL |
|
|
g_iorequest = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
958 |
return True; |
return True; |
959 |
} |
} |
960 |
|
|