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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39 |
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40 |
/* Table with information about rdpdr devices */ |
/* Table with information about rdpdr devices */ |
41 |
RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
42 |
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char * g_rdpdr_clientname = NULL; |
43 |
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44 |
/* 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 */ |
45 |
/* 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, */ |
82 |
} |
} |
83 |
} |
} |
84 |
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85 |
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BOOL |
86 |
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rdpdr_handle_ok(int device, int handle) |
87 |
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{ |
88 |
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switch (g_rdpdr_device[device].device_type) |
89 |
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{ |
90 |
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case DEVICE_TYPE_PARALLEL: |
91 |
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case DEVICE_TYPE_SERIAL: |
92 |
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case DEVICE_TYPE_PRINTER: |
93 |
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case DEVICE_TYPE_SCARD: |
94 |
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if (g_rdpdr_device[device].handle != handle) |
95 |
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return False; |
96 |
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break; |
97 |
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case DEVICE_TYPE_DISK: |
98 |
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if (g_fileinfo[handle].device_id != device) |
99 |
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return False; |
100 |
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break; |
101 |
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} |
102 |
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return True; |
103 |
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} |
104 |
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105 |
/* 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 */ |
106 |
BOOL |
BOOL |
107 |
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, |
108 |
DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer) |
DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer, |
109 |
|
uint32 offset) |
110 |
{ |
{ |
111 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
112 |
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|
113 |
if (g_iorequest == NULL) |
if (g_iorequest == NULL) |
114 |
{ |
{ |
115 |
g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
116 |
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if (!g_iorequest) |
117 |
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return False; |
118 |
g_iorequest->fd = 0; |
g_iorequest->fd = 0; |
119 |
g_iorequest->next = NULL; |
g_iorequest->next = NULL; |
120 |
} |
} |
128 |
{ |
{ |
129 |
iorq->next = |
iorq->next = |
130 |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
131 |
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if (!iorq->next) |
132 |
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return False; |
133 |
iorq->next->fd = 0; |
iorq->next->fd = 0; |
134 |
iorq->next->next = NULL; |
iorq->next->next = NULL; |
135 |
} |
} |
145 |
iorq->timeout = total_timeout; |
iorq->timeout = total_timeout; |
146 |
iorq->itv_timeout = interval_timeout; |
iorq->itv_timeout = interval_timeout; |
147 |
iorq->buffer = buffer; |
iorq->buffer = buffer; |
148 |
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iorq->offset = offset; |
149 |
return True; |
return True; |
150 |
} |
} |
151 |
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169 |
rdpdr_send_name(void) |
rdpdr_send_name(void) |
170 |
{ |
{ |
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uint8 magic[4] = "rDNC"; |
uint8 magic[4] = "rDNC"; |
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uint32 hostlen = (strlen(hostname) + 1) * 2; |
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172 |
STREAM s; |
STREAM s; |
173 |
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uint32 hostlen; |
174 |
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175 |
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if (NULL == g_rdpdr_clientname) { |
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g_rdpdr_clientname = hostname; |
177 |
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} |
178 |
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hostlen = (strlen(g_rdpdr_clientname) + 1) * 2; |
179 |
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|
180 |
s = channel_init(rdpdr_channel, 16 + hostlen); |
s = channel_init(rdpdr_channel, 16 + hostlen); |
181 |
out_uint8a(s, magic, 4); |
out_uint8a(s, magic, 4); |
183 |
out_uint16_le(s, 0x72); |
out_uint16_le(s, 0x72); |
184 |
out_uint32(s, 0); |
out_uint32(s, 0); |
185 |
out_uint32_le(s, hostlen); |
out_uint32_le(s, hostlen); |
186 |
rdp_out_unistr(s, hostname, hostlen - 2); |
rdp_out_unistr(s, g_rdpdr_clientname, hostlen - 2); |
187 |
s_mark_end(s); |
s_mark_end(s); |
188 |
channel_send(s, rdpdr_channel); |
channel_send(s, rdpdr_channel); |
189 |
} |
} |
419 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
420 |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
421 |
#endif |
#endif |
422 |
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if (!rdpdr_handle_ok(device, file)) |
423 |
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{ |
424 |
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status = STATUS_INVALID_HANDLE; |
425 |
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break; |
426 |
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} |
427 |
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|
428 |
if (rw_blocking) // Complete read immediately |
if (rw_blocking) // Complete read immediately |
429 |
{ |
{ |
430 |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
431 |
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if (!buffer) |
432 |
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{ |
433 |
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status = STATUS_CANCELLED; |
434 |
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break; |
435 |
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} |
436 |
status = fns->read(file, buffer, length, offset, &result); |
status = fns->read(file, buffer, length, offset, &result); |
437 |
buffer_len = result; |
buffer_len = result; |
438 |
break; |
break; |
440 |
|
|
441 |
// Add request to table |
// Add request to table |
442 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
443 |
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if (!pst_buf) |
444 |
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{ |
445 |
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status = STATUS_CANCELLED; |
446 |
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break; |
447 |
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} |
448 |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
449 |
if (add_async_iorequest |
if (add_async_iorequest |
450 |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
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pst_buf)) |
pst_buf, offset)) |
452 |
{ |
{ |
453 |
status = STATUS_PENDING; |
status = STATUS_PENDING; |
454 |
break; |
break; |
472 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
473 |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
474 |
#endif |
#endif |
475 |
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if (!rdpdr_handle_ok(device, file)) |
476 |
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{ |
477 |
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status = STATUS_INVALID_HANDLE; |
478 |
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break; |
479 |
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} |
480 |
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|
481 |
if (rw_blocking) // Complete immediately |
if (rw_blocking) // Complete immediately |
482 |
{ |
{ |
483 |
status = fns->write(file, s->p, length, offset, &result); |
status = fns->write(file, s->p, length, offset, &result); |
486 |
|
|
487 |
// Add to table |
// Add to table |
488 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
489 |
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if (!pst_buf) |
490 |
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{ |
491 |
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status = STATUS_CANCELLED; |
492 |
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break; |
493 |
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} |
494 |
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|
495 |
in_uint8a(s, pst_buf, length); |
in_uint8a(s, pst_buf, length); |
496 |
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|
497 |
if (add_async_iorequest |
if (add_async_iorequest |
498 |
(device, file, id, major, length, fns, 0, 0, pst_buf)) |
(device, file, id, major, length, fns, 0, 0, pst_buf, offset)) |
499 |
{ |
{ |
500 |
status = STATUS_PENDING; |
status = STATUS_PENDING; |
501 |
break; |
break; |
615 |
in_uint8s(s, 0x14); |
in_uint8s(s, 0x14); |
616 |
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|
617 |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
618 |
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if (!buffer) |
619 |
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{ |
620 |
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status = STATUS_CANCELLED; |
621 |
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break; |
622 |
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} |
623 |
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|
624 |
out.data = out.p = buffer; |
out.data = out.p = buffer; |
625 |
out.size = sizeof(buffer); |
out.size = sizeof(buffer); |
626 |
status = fns->device_control(file, request, s, &out); |
status = fns->device_control(file, request, s, &out); |
636 |
{ |
{ |
637 |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
638 |
} |
} |
639 |
xfree(buffer); |
if (buffer) |
640 |
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xfree(buffer); |
641 |
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buffer = NULL; |
642 |
} |
} |
643 |
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644 |
void |
void |
797 |
} |
} |
798 |
} |
} |
799 |
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800 |
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struct async_iorequest * |
801 |
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rdpdr_remove_iorequest(struct async_iorequest *prev, struct async_iorequest *iorq) |
802 |
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{ |
803 |
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if (!iorq) |
804 |
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return NULL; |
805 |
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|
806 |
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if (iorq->buffer) |
807 |
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xfree(iorq->buffer); |
808 |
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if (prev) |
809 |
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{ |
810 |
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prev->next = iorq->next; |
811 |
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xfree(iorq); |
812 |
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iorq = prev->next; |
813 |
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} |
814 |
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else |
815 |
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{ |
816 |
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// Even if NULL |
817 |
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g_iorequest = iorq->next; |
818 |
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xfree(iorq); |
819 |
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iorq = NULL; |
820 |
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} |
821 |
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return iorq; |
822 |
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} |
823 |
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|
824 |
/* 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 */ |
825 |
void |
void |
859 |
/* never read larger chunks than 8k - chances are that it will block */ |
/* never read larger chunks than 8k - chances are that it will block */ |
860 |
status = fns->read(iorq->fd, |
status = fns->read(iorq->fd, |
861 |
iorq->buffer + iorq->partial_len, |
iorq->buffer + iorq->partial_len, |
862 |
req_size, 0, &result); |
req_size, iorq->offset, &result); |
|
iorq->partial_len += result; |
|
863 |
|
|
864 |
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if (result > 0) |
865 |
|
{ |
866 |
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iorq->partial_len += result; |
867 |
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iorq->offset += result; |
868 |
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} |
869 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
870 |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
871 |
#endif |
#endif |
877 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
878 |
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)); |
879 |
#endif |
#endif |
|
/* send the data */ |
|
|
status = STATUS_SUCCESS; |
|
880 |
rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
881 |
iorq->id, status, |
iorq->id, status, |
882 |
iorq->partial_len, |
iorq->partial_len, |
883 |
iorq->buffer, |
iorq->buffer, |
884 |
iorq->partial_len); |
iorq->partial_len); |
885 |
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; |
|
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xfree(iorq); |
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} |
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else |
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{ |
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// Even if NULL |
|
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g_iorequest = iorq->next; |
|
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xfree(iorq); |
|
|
} |
|
886 |
} |
} |
887 |
} |
} |
888 |
break; |
break; |
900 |
/* never write larger chunks than 8k - chances are that it will block */ |
/* never write larger chunks than 8k - chances are that it will block */ |
901 |
status = fns->write(iorq->fd, |
status = fns->write(iorq->fd, |
902 |
iorq->buffer + |
iorq->buffer + |
903 |
iorq->partial_len, req_size, 0, |
iorq->partial_len, req_size, |
904 |
&result); |
iorq->offset, &result); |
905 |
iorq->partial_len += result; |
|
906 |
|
if (result > 0) |
907 |
|
{ |
908 |
|
iorq->partial_len += result; |
909 |
|
iorq->offset += result; |
910 |
|
} |
911 |
|
|
912 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
913 |
DEBUG(("RDPDR: %d bytes of data written\n", |
DEBUG(("RDPDR: %d bytes of data written\n", |
914 |
result)); |
result)); |
921 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
922 |
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)); |
923 |
#endif |
#endif |
|
/* send a status success */ |
|
|
status = STATUS_SUCCESS; |
|
924 |
rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
925 |
iorq->id, status, |
iorq->id, status, |
926 |
iorq->partial_len, |
iorq->partial_len, |
927 |
(uint8 *) "", 1); |
(uint8 *) "", 1); |
928 |
|
|
929 |
xfree(iorq->buffer); |
iorq = rdpdr_remove_iorequest(prev, iorq); |
|
iorq->fd = 0; |
|
|
if (prev != NULL) |
|
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{ |
|
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prev->next = iorq->next; |
|
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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; |
|
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xfree(iorq); |
|
|
} |
|
930 |
} |
} |
931 |
} |
} |
932 |
break; |
break; |
934 |
|
|
935 |
} |
} |
936 |
prev = iorq; |
prev = iorq; |
937 |
iorq = iorq->next; |
if (iorq) |
938 |
|
iorq = iorq->next; |
939 |
} |
} |
940 |
|
|
941 |
} |
} |
959 |
result = 0; |
result = 0; |
960 |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
961 |
1); |
1); |
962 |
xfree(iorq->buffer); |
|
963 |
iorq->fd = 0; |
iorq = rdpdr_remove_iorequest(prev, iorq); |
|
if (prev != NULL) |
|
|
{ |
|
|
prev->next = iorq->next; |
|
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xfree(iorq); |
|
|
} |
|
|
else |
|
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{ |
|
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// Even if NULL |
|
|
g_iorequest = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
964 |
return True; |
return True; |
965 |
} |
} |
966 |
|
|