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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|
50 |
DEVICE_FNS *fns; |
DEVICE_FNS *fns; |
51 |
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|
52 |
struct async_iorequest *next; /* next element in list */ |
struct async_iorequest *next; /* next element in list */ |
53 |
} g_iorequest; |
}; |
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 |
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 |
{ |
{ |
87 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
88 |
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|
89 |
iorq = &g_iorequest; |
if (g_iorequest == NULL) |
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while (iorq->fd != 0) |
|
90 |
{ |
{ |
91 |
// create new element if needed |
g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
92 |
if (iorq->next == NULL) |
if (!g_iorequest) |
93 |
iorq->next = |
return False; |
94 |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
g_iorequest->fd = 0; |
95 |
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g_iorequest->next = NULL; |
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iorq = iorq->next; |
|
96 |
} |
} |
97 |
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|
98 |
/* first element is special since it doesn't get deleted */ |
iorq = g_iorequest; |
99 |
/* don't want to get io out of order */ |
|
100 |
if (g_iorequest.fd == 0) |
while (iorq->fd != 0) |
101 |
{ |
{ |
102 |
iorq = &g_iorequest; |
// create new element if needed |
103 |
/* look for first occurrence of fd */ |
if (iorq->next == NULL) |
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while (iorq->next != NULL) |
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{ |
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if (iorq->fd == file) |
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break; |
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iorq = iorq->next; |
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} |
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/* if same create new link at end of chain instead */ |
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if (iorq->fd == file) |
|
104 |
{ |
{ |
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while (iorq->next != NULL) |
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iorq = iorq->next; |
|
105 |
iorq->next = |
iorq->next = |
106 |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
107 |
iorq = iorq->next; |
if (!iorq->next) |
108 |
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return False; |
109 |
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iorq->next->fd = 0; |
110 |
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iorq->next->next = NULL; |
111 |
} |
} |
112 |
else |
iorq = iorq->next; |
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iorq = &g_iorequest; /* didn't find fs use first entry */ |
|
113 |
} |
} |
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|
114 |
iorq->device = device; |
iorq->device = device; |
115 |
iorq->fd = file; |
iorq->fd = file; |
116 |
iorq->id = id; |
iorq->id = id; |
225 |
rdp_out_unistr(s, printerinfo->printer, printerlen - 2); |
rdp_out_unistr(s, printerinfo->printer, printerlen - 2); |
226 |
out_uint8a(s, printerinfo->blob, bloblen); |
out_uint8a(s, printerinfo->blob, bloblen); |
227 |
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|
228 |
xfree(printerinfo->blob); /* Blob is sent twice if reconnecting */ |
if (printerinfo->blob) |
229 |
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xfree(printerinfo->blob); /* Blob is sent twice if reconnecting */ |
230 |
break; |
break; |
231 |
default: |
default: |
232 |
out_uint32(s, 0); |
out_uint32(s, 0); |
322 |
|
|
323 |
case DEVICE_TYPE_DISK: |
case DEVICE_TYPE_DISK: |
324 |
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/*rw_blocking = False; */ |
|
325 |
fns = &disk_fns; |
fns = &disk_fns; |
326 |
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rw_blocking = False; |
327 |
break; |
break; |
328 |
|
|
329 |
case DEVICE_TYPE_SCARD: |
case DEVICE_TYPE_SCARD: |
392 |
if (rw_blocking) // Complete read immediately |
if (rw_blocking) // Complete read immediately |
393 |
{ |
{ |
394 |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
395 |
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if (!buffer) |
396 |
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{ |
397 |
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status = STATUS_CANCELLED; |
398 |
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break; |
399 |
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} |
400 |
status = fns->read(file, buffer, length, offset, &result); |
status = fns->read(file, buffer, length, offset, &result); |
401 |
buffer_len = result; |
buffer_len = result; |
402 |
break; |
break; |
404 |
|
|
405 |
// Add request to table |
// Add request to table |
406 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
407 |
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if (!pst_buf) |
408 |
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{ |
409 |
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status = STATUS_CANCELLED; |
410 |
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break; |
411 |
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} |
412 |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
413 |
if (add_async_iorequest |
if (add_async_iorequest |
414 |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
444 |
|
|
445 |
// Add to table |
// Add to table |
446 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
447 |
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if (!pst_buf) |
448 |
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{ |
449 |
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status = STATUS_CANCELLED; |
450 |
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break; |
451 |
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} |
452 |
|
|
453 |
in_uint8a(s, pst_buf, length); |
in_uint8a(s, pst_buf, length); |
454 |
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|
455 |
if (add_async_iorequest |
if (add_async_iorequest |
573 |
in_uint8s(s, 0x14); |
in_uint8s(s, 0x14); |
574 |
|
|
575 |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
576 |
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if (!buffer) |
577 |
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{ |
578 |
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status = STATUS_CANCELLED; |
579 |
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break; |
580 |
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} |
581 |
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|
582 |
out.data = out.p = buffer; |
out.data = out.p = buffer; |
583 |
out.size = sizeof(buffer); |
out.size = sizeof(buffer); |
584 |
status = fns->device_control(file, request, s, &out); |
status = fns->device_control(file, request, s, &out); |
594 |
{ |
{ |
595 |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
596 |
} |
} |
597 |
xfree(buffer); |
if (buffer) |
598 |
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xfree(buffer); |
599 |
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buffer = NULL; |
600 |
} |
} |
601 |
|
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602 |
void |
void |
715 |
void |
void |
716 |
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) |
717 |
{ |
{ |
718 |
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). |
719 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
720 |
|
|
721 |
iorq = &g_iorequest; |
iorq = g_iorequest; |
722 |
while (iorq != NULL) |
while (iorq != NULL) |
723 |
{ |
{ |
724 |
if (iorq->fd != 0) |
if (iorq->fd != 0) |
765 |
DEVICE_FNS *fns; |
DEVICE_FNS *fns; |
766 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
767 |
struct async_iorequest *prev; |
struct async_iorequest *prev; |
768 |
|
uint32 req_size = 0; |
769 |
|
|
770 |
if (timed_out) |
if (timed_out) |
771 |
{ |
{ |
773 |
return; |
return; |
774 |
} |
} |
775 |
|
|
776 |
iorq = &g_iorequest; |
iorq = g_iorequest; |
777 |
prev = NULL; |
prev = NULL; |
778 |
while (iorq != NULL) |
while (iorq != NULL) |
779 |
{ |
{ |
|
|
|
780 |
if (iorq->fd != 0) |
if (iorq->fd != 0) |
781 |
{ |
{ |
782 |
switch (iorq->major) |
switch (iorq->major) |
786 |
{ |
{ |
787 |
/* Read the data */ |
/* Read the data */ |
788 |
fns = iorq->fns; |
fns = iorq->fns; |
789 |
|
|
790 |
|
req_size = |
791 |
|
(iorq->length - iorq->partial_len) > |
792 |
|
8192 ? 8192 : (iorq->length - |
793 |
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iorq->partial_len); |
794 |
|
/* never read larger chunks than 8k - chances are that it will block */ |
795 |
status = fns->read(iorq->fd, |
status = fns->read(iorq->fd, |
796 |
iorq->buffer + iorq->partial_len, |
iorq->buffer + iorq->partial_len, |
797 |
iorq->length - iorq->partial_len, |
req_size, 0, &result); |
|
0, &result); |
|
798 |
iorq->partial_len += result; |
iorq->partial_len += result; |
799 |
|
|
800 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
801 |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
802 |
#endif |
#endif |
803 |
/* only delete link if all data has been transfered */ |
/* only delete link if all data has been transfered */ |
804 |
if (iorq->partial_len == iorq->length) |
/* or if result was 0 and status success - EOF */ |
805 |
|
if ((iorq->partial_len == iorq->length) || |
806 |
|
(result == 0)) |
807 |
{ |
{ |
808 |
|
#if WITH_DEBUG_RDP5 |
809 |
|
DEBUG(("RDPDR: AIO total %u bytes read of %u\n", iorq->partial_len, iorq->length)); |
810 |
|
#endif |
811 |
/* send the data */ |
/* send the data */ |
812 |
status = STATUS_SUCCESS; |
status = STATUS_SUCCESS; |
813 |
rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
814 |
iorq->id, status, |
iorq->id, status, |
815 |
iorq->length, |
iorq->partial_len, |
816 |
iorq->buffer, result); |
iorq->buffer, |
817 |
|
iorq->partial_len); |
818 |
xfree(iorq->buffer); |
xfree(iorq->buffer); |
819 |
iorq->fd = 0; |
iorq->fd = 0; |
820 |
if (prev != NULL) |
if (prev != NULL) |
822 |
prev->next = iorq->next; |
prev->next = iorq->next; |
823 |
xfree(iorq); |
xfree(iorq); |
824 |
} |
} |
825 |
|
else |
826 |
|
{ |
827 |
|
// Even if NULL |
828 |
|
g_iorequest = iorq->next; |
829 |
|
xfree(iorq); |
830 |
|
} |
831 |
} |
} |
832 |
} |
} |
833 |
break; |
break; |
836 |
{ |
{ |
837 |
/* Write data. */ |
/* Write data. */ |
838 |
fns = iorq->fns; |
fns = iorq->fns; |
839 |
|
|
840 |
|
req_size = |
841 |
|
(iorq->length - iorq->partial_len) > |
842 |
|
8192 ? 8192 : (iorq->length - |
843 |
|
iorq->partial_len); |
844 |
|
|
845 |
|
/* never write larger chunks than 8k - chances are that it will block */ |
846 |
status = fns->write(iorq->fd, |
status = fns->write(iorq->fd, |
847 |
iorq->buffer + |
iorq->buffer + |
848 |
iorq->partial_len, |
iorq->partial_len, req_size, 0, |
849 |
iorq->length - |
&result); |
|
iorq->partial_len, 0, &result); |
|
850 |
iorq->partial_len += result; |
iorq->partial_len += result; |
851 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
852 |
DEBUG(("RDPDR: %d bytes of data written\n", |
DEBUG(("RDPDR: %d bytes of data written\n", |
853 |
result)); |
result)); |
854 |
#endif |
#endif |
855 |
/* only delete link if all data has been transfered */ |
/* only delete link if all data has been transfered */ |
856 |
if (iorq->partial_len == iorq->length) |
/* or we couldn't write */ |
857 |
|
if ((iorq->partial_len == iorq->length) |
858 |
|
|| (result == 0)) |
859 |
{ |
{ |
860 |
|
#if WITH_DEBUG_RDP5 |
861 |
|
DEBUG(("RDPDR: AIO total %u bytes written of %u\n", iorq->partial_len, iorq->length)); |
862 |
|
#endif |
863 |
/* send a status success */ |
/* send a status success */ |
864 |
status = STATUS_SUCCESS; |
status = STATUS_SUCCESS; |
865 |
rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
866 |
iorq->id, status, |
iorq->id, status, |
867 |
iorq->length, "", 1); |
iorq->partial_len, |
868 |
|
(uint8 *) "", 1); |
869 |
|
|
870 |
xfree(iorq->buffer); |
xfree(iorq->buffer); |
871 |
iorq->fd = 0; |
iorq->fd = 0; |
874 |
prev->next = iorq->next; |
prev->next = iorq->next; |
875 |
xfree(iorq); |
xfree(iorq); |
876 |
} |
} |
877 |
|
else |
878 |
|
{ |
879 |
|
// Even if NULL |
880 |
|
g_iorequest = iorq->next; |
881 |
|
xfree(iorq); |
882 |
|
} |
883 |
} |
} |
884 |
} |
} |
885 |
break; |
break; |
900 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
901 |
struct async_iorequest *prev; |
struct async_iorequest *prev; |
902 |
|
|
903 |
iorq = &g_iorequest; |
iorq = g_iorequest; |
904 |
prev = NULL; |
prev = NULL; |
905 |
while (iorq != NULL) |
while (iorq != NULL) |
906 |
{ |
{ |
909 |
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
910 |
{ |
{ |
911 |
result = 0; |
result = 0; |
912 |
rdpdr_send_completion(iorq->device, iorq->id, status, result, "", 1); |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
913 |
|
1); |
914 |
xfree(iorq->buffer); |
xfree(iorq->buffer); |
915 |
iorq->fd = 0; |
iorq->fd = 0; |
916 |
if (prev != NULL) |
if (prev != NULL) |
918 |
prev->next = iorq->next; |
prev->next = iorq->next; |
919 |
xfree(iorq); |
xfree(iorq); |
920 |
} |
} |
921 |
|
else |
922 |
|
{ |
923 |
|
// Even if NULL |
924 |
|
g_iorequest = iorq->next; |
925 |
|
xfree(iorq); |
926 |
|
} |
927 |
return True; |
return True; |
928 |
} |
} |
929 |
|
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