22 |
#define IRP_MN_QUERY_DIRECTORY 0x01 |
#define IRP_MN_QUERY_DIRECTORY 0x01 |
23 |
#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
24 |
|
|
|
#define MAX_ASYNC_IO_REQUESTS 10 |
|
|
|
|
25 |
extern char hostname[16]; |
extern char hostname[16]; |
26 |
extern DEVICE_FNS serial_fns; |
extern DEVICE_FNS serial_fns; |
27 |
extern DEVICE_FNS printer_fns; |
extern DEVICE_FNS printer_fns; |
28 |
extern DEVICE_FNS parallel_fns; |
extern DEVICE_FNS parallel_fns; |
29 |
extern DEVICE_FNS disk_fns; |
extern DEVICE_FNS disk_fns; |
30 |
|
|
|
|
|
31 |
static VCHANNEL *rdpdr_channel; |
static VCHANNEL *rdpdr_channel; |
32 |
|
|
33 |
/* 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 |
RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
39 |
|
|
40 |
/* 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 */ |
41 |
|
/* using a linked list ensures that they are processed in the right order, */ |
42 |
|
/* if multiple ios are being done on the same fd */ |
43 |
struct async_iorequest |
struct async_iorequest |
44 |
{ |
{ |
45 |
uint32 fd, major, minor, offset, device, id, length; |
uint32 fd, major, minor, offset, device, id, length, partial_len; |
46 |
long timeout, /* Total timeout */ |
long timeout, /* Total timeout */ |
47 |
itv_timeout; /* Interval timeout (between serial characters) */ |
itv_timeout; /* Interval timeout (between serial characters) */ |
48 |
uint8 *buffer; |
uint8 *buffer; |
49 |
DEVICE_FNS *fns; |
DEVICE_FNS *fns; |
50 |
} g_iorequest[MAX_ASYNC_IO_REQUESTS]; |
|
51 |
|
struct async_iorequest *next; /* next element in list */ |
52 |
|
}; |
53 |
|
|
54 |
|
struct async_iorequest *g_iorequest; |
55 |
|
|
56 |
/* Return device_id for a given handle */ |
/* Return device_id for a given handle */ |
57 |
int |
int |
83 |
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, |
84 |
DEVICE_FNS * fns, long total_timeout, long interval_timeout, uint8 * buffer) |
DEVICE_FNS * fns, long total_timeout, long interval_timeout, uint8 * buffer) |
85 |
{ |
{ |
|
int i; |
|
86 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
87 |
|
|
88 |
for (i = 0; i < MAX_ASYNC_IO_REQUESTS; i++) |
if (g_iorequest == NULL) |
89 |
{ |
{ |
90 |
iorq = &g_iorequest[i]; |
g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
91 |
|
g_iorequest->fd = 0; |
92 |
if (iorq->fd == 0) |
g_iorequest->next = NULL; |
93 |
{ |
} |
94 |
iorq->device = device; |
|
95 |
iorq->fd = file; |
iorq = g_iorequest; |
96 |
iorq->id = id; |
|
97 |
iorq->major = major; |
while (iorq->fd != 0) |
98 |
iorq->length = length; |
{ |
99 |
iorq->fns = fns; |
// create new element if needed |
100 |
iorq->timeout = total_timeout; |
if (iorq->next == NULL) |
101 |
iorq->itv_timeout = interval_timeout; |
{ |
102 |
iorq->buffer = buffer; |
iorq->next = |
103 |
return True; |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
104 |
} |
iorq->next->fd = 0; |
105 |
} |
iorq->next->next = NULL; |
106 |
error("IO request table full. Increase MAX_ASYNC_IO_REQUESTS in rdpdr.c!\n"); |
} |
107 |
return False; |
iorq = iorq->next; |
108 |
|
} |
109 |
|
iorq->device = device; |
110 |
|
iorq->fd = file; |
111 |
|
iorq->id = id; |
112 |
|
iorq->major = major; |
113 |
|
iorq->length = length; |
114 |
|
iorq->partial_len = 0; |
115 |
|
iorq->fns = fns; |
116 |
|
iorq->timeout = total_timeout; |
117 |
|
iorq->itv_timeout = interval_timeout; |
118 |
|
iorq->buffer = buffer; |
119 |
|
return True; |
120 |
} |
} |
121 |
|
|
|
|
|
122 |
void |
void |
123 |
rdpdr_send_connect(void) |
rdpdr_send_connect(void) |
124 |
{ |
{ |
201 |
out_uint32_le(s, i); /* RDP Device ID */ |
out_uint32_le(s, i); /* RDP Device ID */ |
202 |
out_uint8p(s, g_rdpdr_device[i].name, 8); |
out_uint8p(s, g_rdpdr_device[i].name, 8); |
203 |
|
|
204 |
if (g_rdpdr_device[i].device_type == DEVICE_TYPE_PRINTER) |
switch (g_rdpdr_device[i].device_type) |
205 |
{ |
{ |
206 |
printerinfo = (PRINTER *) g_rdpdr_device[i].pdevice_data; |
case DEVICE_TYPE_PRINTER: |
207 |
|
printerinfo = (PRINTER *) g_rdpdr_device[i].pdevice_data; |
208 |
|
|
209 |
driverlen = 2 * strlen(printerinfo->driver) + 2; |
driverlen = 2 * strlen(printerinfo->driver) + 2; |
210 |
printerlen = 2 * strlen(printerinfo->printer) + 2; |
printerlen = 2 * strlen(printerinfo->printer) + 2; |
211 |
bloblen = printerinfo->bloblen; |
bloblen = printerinfo->bloblen; |
212 |
|
|
213 |
out_uint32_le(s, 24 + driverlen + printerlen + bloblen); /* length of extra info */ |
out_uint32_le(s, 24 + driverlen + printerlen + bloblen); /* length of extra info */ |
214 |
out_uint32_le(s, printerinfo->default_printer ? 2 : 0); |
out_uint32_le(s, printerinfo->default_printer ? 2 : 0); |
215 |
out_uint8s(s, 8); /* unknown */ |
out_uint8s(s, 8); /* unknown */ |
216 |
out_uint32_le(s, driverlen); |
out_uint32_le(s, driverlen); |
217 |
out_uint32_le(s, printerlen); |
out_uint32_le(s, printerlen); |
218 |
out_uint32_le(s, bloblen); |
out_uint32_le(s, bloblen); |
219 |
rdp_out_unistr(s, printerinfo->driver, driverlen - 2); |
rdp_out_unistr(s, printerinfo->driver, driverlen - 2); |
220 |
rdp_out_unistr(s, printerinfo->printer, printerlen - 2); |
rdp_out_unistr(s, printerinfo->printer, printerlen - 2); |
221 |
out_uint8a(s, printerinfo->blob, bloblen); |
out_uint8a(s, printerinfo->blob, bloblen); |
222 |
|
|
223 |
xfree(printerinfo->blob); /* Blob is sent twice if reconnecting */ |
if (printerinfo->blob) |
224 |
} |
xfree(printerinfo->blob); /* Blob is sent twice if reconnecting */ |
225 |
else |
break; |
226 |
{ |
default: |
227 |
out_uint32(s, 0); |
out_uint32(s, 0); |
228 |
} |
} |
229 |
} |
} |
230 |
#if 0 |
#if 0 |
296 |
buffer = (uint8 *) xmalloc(1024); |
buffer = (uint8 *) xmalloc(1024); |
297 |
buffer[0] = 0; |
buffer[0] = 0; |
298 |
|
|
|
|
|
299 |
switch (g_rdpdr_device[device].device_type) |
switch (g_rdpdr_device[device].device_type) |
300 |
{ |
{ |
301 |
case DEVICE_TYPE_SERIAL: |
case DEVICE_TYPE_SERIAL: |
318 |
case DEVICE_TYPE_DISK: |
case DEVICE_TYPE_DISK: |
319 |
|
|
320 |
fns = &disk_fns; |
fns = &disk_fns; |
321 |
|
rw_blocking = False; |
322 |
break; |
break; |
323 |
|
|
324 |
case DEVICE_TYPE_SCARD: |
case DEVICE_TYPE_SCARD: |
405 |
|
|
406 |
status = STATUS_CANCELLED; |
status = STATUS_CANCELLED; |
407 |
break; |
break; |
|
|
|
408 |
case IRP_MJ_WRITE: |
case IRP_MJ_WRITE: |
409 |
|
|
410 |
buffer_len = 1; |
buffer_len = 1; |
687 |
void |
void |
688 |
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) |
689 |
{ |
{ |
|
int i; |
|
690 |
long 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). |
691 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
692 |
|
|
693 |
for (i = 0; i < MAX_ASYNC_IO_REQUESTS; i++) |
iorq = g_iorequest; |
694 |
|
while (iorq != NULL) |
695 |
{ |
{ |
696 |
iorq = &g_iorequest[i]; |
if (iorq->fd != 0) |
|
|
|
|
if (iorq->fd != 0) // Found a pending io request |
|
697 |
{ |
{ |
698 |
switch (iorq->major) |
switch (iorq->major) |
699 |
{ |
{ |
716 |
break; |
break; |
717 |
|
|
718 |
case IRP_MJ_WRITE: |
case IRP_MJ_WRITE: |
|
|
|
719 |
FD_SET(iorq->fd, wfds); |
FD_SET(iorq->fd, wfds); |
720 |
break; |
break; |
721 |
|
|
722 |
} |
} |
723 |
*n = MAX(*n, iorq->fd); |
*n = MAX(*n, iorq->fd); |
724 |
} |
} |
725 |
|
|
726 |
|
iorq = iorq->next; |
727 |
} |
} |
728 |
} |
} |
729 |
|
|
730 |
|
|
731 |
/* 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 */ |
732 |
void |
void |
733 |
rdpdr_check_fds(fd_set * rfds, fd_set * wfds, BOOL timed_out) |
rdpdr_check_fds(fd_set * rfds, fd_set * wfds, BOOL timed_out) |
734 |
{ |
{ |
|
int i; |
|
735 |
NTSTATUS status; |
NTSTATUS status; |
736 |
uint32 result = 0, buffer_len = 0; |
uint32 result = 0; |
737 |
DEVICE_FNS *fns; |
DEVICE_FNS *fns; |
738 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
739 |
|
struct async_iorequest *prev; |
740 |
|
uint32 req_size = 0; |
741 |
|
|
742 |
if (timed_out) |
if (timed_out) |
743 |
{ |
{ |
745 |
return; |
return; |
746 |
} |
} |
747 |
|
|
748 |
// Walk through array of pending io_rq's |
iorq = g_iorequest; |
749 |
for (i = 0; i < MAX_ASYNC_IO_REQUESTS; i++) |
prev = NULL; |
750 |
|
while (iorq != NULL) |
751 |
{ |
{ |
|
iorq = &g_iorequest[i]; |
|
|
|
|
752 |
if (iorq->fd != 0) |
if (iorq->fd != 0) |
753 |
{ |
{ |
754 |
switch (iorq->major) |
switch (iorq->major) |
755 |
{ |
{ |
|
|
|
756 |
case IRP_MJ_READ: |
case IRP_MJ_READ: |
|
|
|
757 |
if (FD_ISSET(iorq->fd, rfds)) |
if (FD_ISSET(iorq->fd, rfds)) |
758 |
{ |
{ |
759 |
// Read, and send data. |
/* Read the data */ |
760 |
fns = iorq->fns; |
fns = iorq->fns; |
761 |
status = fns->read(iorq->fd, iorq->buffer, |
|
762 |
iorq->length, 0, &result); |
req_size = |
763 |
buffer_len = result; |
(iorq->length - iorq->partial_len) > |
764 |
|
8192 ? 8192 : (iorq->length - |
765 |
rdpdr_send_completion(iorq->device, iorq->id, |
iorq->partial_len); |
766 |
status, result, iorq->buffer, |
/* never read larger chunks than 8k - chances are that it will block */ |
767 |
buffer_len); |
status = fns->read(iorq->fd, |
768 |
|
iorq->buffer + iorq->partial_len, |
769 |
|
req_size, 0, &result); |
770 |
|
iorq->partial_len += result; |
771 |
|
|
772 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
773 |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
774 |
#endif |
#endif |
775 |
xfree(iorq->buffer); |
/* only delete link if all data has been transfered */ |
776 |
iorq->fd = 0; |
/* or if result was 0 and status success - EOF */ |
777 |
|
if ((iorq->partial_len == iorq->length) || |
778 |
|
(result == 0)) |
779 |
|
{ |
780 |
|
#if WITH_DEBUG_RDP5 |
781 |
|
DEBUG(("RDPDR: AIO total %u bytes read of %u\n", iorq->partial_len, iorq->length)); |
782 |
|
#endif |
783 |
|
/* send the data */ |
784 |
|
status = STATUS_SUCCESS; |
785 |
|
rdpdr_send_completion(iorq->device, |
786 |
|
iorq->id, status, |
787 |
|
iorq->partial_len, |
788 |
|
iorq->buffer, |
789 |
|
iorq->partial_len); |
790 |
|
xfree(iorq->buffer); |
791 |
|
iorq->fd = 0; |
792 |
|
if (prev != NULL) |
793 |
|
{ |
794 |
|
prev->next = iorq->next; |
795 |
|
xfree(iorq); |
796 |
|
} |
797 |
|
else |
798 |
|
{ |
799 |
|
// Even if NULL |
800 |
|
g_iorequest = iorq->next; |
801 |
|
xfree(iorq); |
802 |
|
} |
803 |
|
} |
804 |
} |
} |
805 |
break; |
break; |
|
|
|
806 |
case IRP_MJ_WRITE: |
case IRP_MJ_WRITE: |
|
|
|
807 |
if (FD_ISSET(iorq->fd, wfds)) |
if (FD_ISSET(iorq->fd, wfds)) |
808 |
{ |
{ |
809 |
// Write data and send completion. |
/* Write data. */ |
810 |
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); |
|
811 |
|
|
812 |
xfree(iorq->buffer); |
req_size = |
813 |
iorq->fd = 0; |
(iorq->length - iorq->partial_len) > |
814 |
|
8192 ? 8192 : (iorq->length - |
815 |
|
iorq->partial_len); |
816 |
|
|
817 |
|
/* never write larger chunks than 8k - chances are that it will block */ |
818 |
|
status = fns->write(iorq->fd, |
819 |
|
iorq->buffer + |
820 |
|
iorq->partial_len, req_size, 0, |
821 |
|
&result); |
822 |
|
iorq->partial_len += result; |
823 |
|
#if WITH_DEBUG_RDP5 |
824 |
|
DEBUG(("RDPDR: %d bytes of data written\n", |
825 |
|
result)); |
826 |
|
#endif |
827 |
|
/* only delete link if all data has been transfered */ |
828 |
|
/* or we couldn't write */ |
829 |
|
if ((iorq->partial_len == iorq->length) |
830 |
|
|| (result == 0)) |
831 |
|
{ |
832 |
|
#if WITH_DEBUG_RDP5 |
833 |
|
DEBUG(("RDPDR: AIO total %u bytes written of %u\n", iorq->partial_len, iorq->length)); |
834 |
|
#endif |
835 |
|
/* send a status success */ |
836 |
|
status = STATUS_SUCCESS; |
837 |
|
rdpdr_send_completion(iorq->device, |
838 |
|
iorq->id, status, |
839 |
|
iorq->partial_len, "", |
840 |
|
1); |
841 |
|
|
842 |
|
xfree(iorq->buffer); |
843 |
|
iorq->fd = 0; |
844 |
|
if (prev != NULL) |
845 |
|
{ |
846 |
|
prev->next = iorq->next; |
847 |
|
xfree(iorq); |
848 |
|
} |
849 |
|
else |
850 |
|
{ |
851 |
|
// Even if NULL |
852 |
|
g_iorequest = iorq->next; |
853 |
|
xfree(iorq); |
854 |
|
} |
855 |
|
} |
856 |
} |
} |
857 |
break; |
break; |
858 |
} |
} |
859 |
|
|
860 |
} |
} |
861 |
|
prev = iorq; |
862 |
|
iorq = iorq->next; |
863 |
} |
} |
864 |
|
|
865 |
} |
} |
866 |
|
|
867 |
/* Abort a pending io request for a given handle and major */ |
/* Abort a pending io request for a given handle and major */ |
869 |
rdpdr_abort_io(uint32 fd, uint32 major, NTSTATUS status) |
rdpdr_abort_io(uint32 fd, uint32 major, NTSTATUS status) |
870 |
{ |
{ |
871 |
uint32 result; |
uint32 result; |
|
int i; |
|
872 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
873 |
|
struct async_iorequest *prev; |
874 |
|
|
875 |
for (i = 0; i < MAX_ASYNC_IO_REQUESTS; i++) |
iorq = &g_iorequest; |
876 |
|
prev = NULL; |
877 |
|
while (iorq != NULL) |
878 |
{ |
{ |
|
iorq = &g_iorequest[i]; |
|
|
|
|
879 |
// 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. |
880 |
// Abort read should not abort a write io request. |
// Abort read should not abort a write io request. |
881 |
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
884 |
rdpdr_send_completion(iorq->device, iorq->id, status, result, "", 1); |
rdpdr_send_completion(iorq->device, iorq->id, status, result, "", 1); |
885 |
xfree(iorq->buffer); |
xfree(iorq->buffer); |
886 |
iorq->fd = 0; |
iorq->fd = 0; |
887 |
|
if (prev != NULL) |
888 |
|
{ |
889 |
|
prev->next = iorq->next; |
890 |
|
xfree(iorq); |
891 |
|
} |
892 |
|
else |
893 |
|
{ |
894 |
|
// Even if NULL |
895 |
|
g_iorequest = iorq->next; |
896 |
|
xfree(iorq); |
897 |
|
} |
898 |
return True; |
return True; |
899 |
} |
} |
900 |
|
|
901 |
|
prev = iorq; |
902 |
|
iorq = iorq->next; |
903 |
} |
} |
904 |
|
|
905 |
return False; |
return False; |
906 |
} |
} |