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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#define IRP_MJ_CREATE 0x00 |
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#define IRP_MJ_CLOSE 0x02 |
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#define IRP_MJ_READ 0x03 |
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#define IRP_MJ_WRITE 0x04 |
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#define IRP_MJ_DEVICE_CONTROL 0x0e |
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|
8 |
#define IRP_MJ_CREATE 0x00 |
#define IRP_MJ_CREATE 0x00 |
9 |
#define IRP_MJ_CLOSE 0x02 |
#define IRP_MJ_CLOSE 0x02 |
10 |
#define IRP_MJ_READ 0x03 |
#define IRP_MJ_READ 0x03 |
14 |
#define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a |
#define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a |
15 |
#define IRP_MJ_DIRECTORY_CONTROL 0x0c |
#define IRP_MJ_DIRECTORY_CONTROL 0x0c |
16 |
#define IRP_MJ_DEVICE_CONTROL 0x0e |
#define IRP_MJ_DEVICE_CONTROL 0x0e |
17 |
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#define IRP_MJ_LOCK_CONTROL 0x11 |
18 |
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|
19 |
#define IRP_MN_QUERY_DIRECTORY 0x01 |
#define IRP_MN_QUERY_DIRECTORY 0x01 |
20 |
#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
24 |
extern DEVICE_FNS printer_fns; |
extern DEVICE_FNS printer_fns; |
25 |
extern DEVICE_FNS parallel_fns; |
extern DEVICE_FNS parallel_fns; |
26 |
extern DEVICE_FNS disk_fns; |
extern DEVICE_FNS disk_fns; |
27 |
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extern FILEINFO g_fileinfo[]; |
28 |
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29 |
static VCHANNEL *rdpdr_channel; |
static VCHANNEL *rdpdr_channel; |
30 |
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34 |
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35 |
/* Table with information about rdpdr devices */ |
/* Table with information about rdpdr devices */ |
36 |
RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
37 |
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char * g_rdpdr_clientname = NULL; |
38 |
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|
39 |
/* 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 */ |
40 |
/* 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, */ |
77 |
} |
} |
78 |
} |
} |
79 |
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80 |
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BOOL |
81 |
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rdpdr_handle_ok(int device, int handle) |
82 |
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{ |
83 |
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switch (g_rdpdr_device[device].device_type) |
84 |
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{ |
85 |
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case DEVICE_TYPE_PARALLEL: |
86 |
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case DEVICE_TYPE_SERIAL: |
87 |
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case DEVICE_TYPE_PRINTER: |
88 |
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case DEVICE_TYPE_SCARD: |
89 |
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if (g_rdpdr_device[device].handle != handle) |
90 |
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return False; |
91 |
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break; |
92 |
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case DEVICE_TYPE_DISK: |
93 |
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if (g_fileinfo[handle].device_id != device) |
94 |
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return False; |
95 |
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break; |
96 |
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} |
97 |
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return True; |
98 |
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} |
99 |
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100 |
/* 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 */ |
101 |
BOOL |
BOOL |
102 |
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, |
103 |
DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer) |
DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer, |
104 |
|
uint32 offset) |
105 |
{ |
{ |
106 |
struct async_iorequest *iorq; |
struct async_iorequest *iorq; |
107 |
|
|
108 |
if (g_iorequest == NULL) |
if (g_iorequest == NULL) |
109 |
{ |
{ |
110 |
g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
111 |
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if (!g_iorequest) |
112 |
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return False; |
113 |
g_iorequest->fd = 0; |
g_iorequest->fd = 0; |
114 |
g_iorequest->next = NULL; |
g_iorequest->next = NULL; |
115 |
} |
} |
123 |
{ |
{ |
124 |
iorq->next = |
iorq->next = |
125 |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
126 |
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if (!iorq->next) |
127 |
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return False; |
128 |
iorq->next->fd = 0; |
iorq->next->fd = 0; |
129 |
iorq->next->next = NULL; |
iorq->next->next = NULL; |
130 |
} |
} |
140 |
iorq->timeout = total_timeout; |
iorq->timeout = total_timeout; |
141 |
iorq->itv_timeout = interval_timeout; |
iorq->itv_timeout = interval_timeout; |
142 |
iorq->buffer = buffer; |
iorq->buffer = buffer; |
143 |
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iorq->offset = offset; |
144 |
return True; |
return True; |
145 |
} |
} |
146 |
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164 |
rdpdr_send_name(void) |
rdpdr_send_name(void) |
165 |
{ |
{ |
166 |
uint8 magic[4] = "rDNC"; |
uint8 magic[4] = "rDNC"; |
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uint32 hostlen = (strlen(hostname) + 1) * 2; |
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167 |
STREAM s; |
STREAM s; |
168 |
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uint32 hostlen; |
169 |
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170 |
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if (NULL == g_rdpdr_clientname) { |
171 |
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g_rdpdr_clientname = hostname; |
172 |
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} |
173 |
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hostlen = (strlen(g_rdpdr_clientname) + 1) * 2; |
174 |
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|
175 |
s = channel_init(rdpdr_channel, 16 + hostlen); |
s = channel_init(rdpdr_channel, 16 + hostlen); |
176 |
out_uint8a(s, magic, 4); |
out_uint8a(s, magic, 4); |
178 |
out_uint16_le(s, 0x72); |
out_uint16_le(s, 0x72); |
179 |
out_uint32(s, 0); |
out_uint32(s, 0); |
180 |
out_uint32_le(s, hostlen); |
out_uint32_le(s, hostlen); |
181 |
rdp_out_unistr(s, hostname, hostlen - 2); |
rdp_out_unistr(s, g_rdpdr_clientname, hostlen - 2); |
182 |
s_mark_end(s); |
s_mark_end(s); |
183 |
channel_send(s, rdpdr_channel); |
channel_send(s, rdpdr_channel); |
184 |
} |
} |
414 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
415 |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
416 |
#endif |
#endif |
417 |
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if (!rdpdr_handle_ok(device, file)) |
418 |
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{ |
419 |
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status = STATUS_INVALID_HANDLE; |
420 |
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break; |
421 |
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} |
422 |
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|
423 |
if (rw_blocking) // Complete read immediately |
if (rw_blocking) // Complete read immediately |
424 |
{ |
{ |
425 |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
426 |
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if (!buffer) |
427 |
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{ |
428 |
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status = STATUS_CANCELLED; |
429 |
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break; |
430 |
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} |
431 |
status = fns->read(file, buffer, length, offset, &result); |
status = fns->read(file, buffer, length, offset, &result); |
432 |
buffer_len = result; |
buffer_len = result; |
433 |
break; |
break; |
435 |
|
|
436 |
// Add request to table |
// Add request to table |
437 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
438 |
|
if (!pst_buf) |
439 |
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{ |
440 |
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status = STATUS_CANCELLED; |
441 |
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break; |
442 |
|
} |
443 |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
444 |
if (add_async_iorequest |
if (add_async_iorequest |
445 |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
446 |
pst_buf)) |
pst_buf, offset)) |
447 |
{ |
{ |
448 |
status = STATUS_PENDING; |
status = STATUS_PENDING; |
449 |
break; |
break; |
467 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
468 |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
469 |
#endif |
#endif |
470 |
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if (!rdpdr_handle_ok(device, file)) |
471 |
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{ |
472 |
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status = STATUS_INVALID_HANDLE; |
473 |
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break; |
474 |
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} |
475 |
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|
476 |
if (rw_blocking) // Complete immediately |
if (rw_blocking) // Complete immediately |
477 |
{ |
{ |
478 |
status = fns->write(file, s->p, length, offset, &result); |
status = fns->write(file, s->p, length, offset, &result); |
481 |
|
|
482 |
// Add to table |
// Add to table |
483 |
pst_buf = (uint8 *) xmalloc(length); |
pst_buf = (uint8 *) xmalloc(length); |
484 |
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if (!pst_buf) |
485 |
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{ |
486 |
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status = STATUS_CANCELLED; |
487 |
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break; |
488 |
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} |
489 |
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|
490 |
in_uint8a(s, pst_buf, length); |
in_uint8a(s, pst_buf, length); |
491 |
|
|
492 |
if (add_async_iorequest |
if (add_async_iorequest |
493 |
(device, file, id, major, length, fns, 0, 0, pst_buf)) |
(device, file, id, major, length, fns, 0, 0, pst_buf, offset)) |
494 |
{ |
{ |
495 |
status = STATUS_PENDING; |
status = STATUS_PENDING; |
496 |
break; |
break; |
610 |
in_uint8s(s, 0x14); |
in_uint8s(s, 0x14); |
611 |
|
|
612 |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
613 |
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if (!buffer) |
614 |
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{ |
615 |
|
status = STATUS_CANCELLED; |
616 |
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break; |
617 |
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} |
618 |
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|
619 |
out.data = out.p = buffer; |
out.data = out.p = buffer; |
620 |
out.size = sizeof(buffer); |
out.size = sizeof(buffer); |
621 |
status = fns->device_control(file, request, s, &out); |
status = fns->device_control(file, request, s, &out); |
631 |
{ |
{ |
632 |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
633 |
} |
} |
634 |
xfree(buffer); |
if (buffer) |
635 |
|
xfree(buffer); |
636 |
|
buffer = NULL; |
637 |
} |
} |
638 |
|
|
639 |
void |
void |
792 |
} |
} |
793 |
} |
} |
794 |
|
|
795 |
|
struct async_iorequest * |
796 |
|
rdpdr_remove_iorequest(struct async_iorequest *prev, struct async_iorequest *iorq) |
797 |
|
{ |
798 |
|
if (!iorq) |
799 |
|
return NULL; |
800 |
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|
801 |
|
if (iorq->buffer) |
802 |
|
xfree(iorq->buffer); |
803 |
|
if (prev) |
804 |
|
{ |
805 |
|
prev->next = iorq->next; |
806 |
|
xfree(iorq); |
807 |
|
iorq = prev->next; |
808 |
|
} |
809 |
|
else |
810 |
|
{ |
811 |
|
// Even if NULL |
812 |
|
g_iorequest = iorq->next; |
813 |
|
xfree(iorq); |
814 |
|
iorq = NULL; |
815 |
|
} |
816 |
|
return iorq; |
817 |
|
} |
818 |
|
|
819 |
/* 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 */ |
820 |
void |
void |
854 |
/* never read larger chunks than 8k - chances are that it will block */ |
/* never read larger chunks than 8k - chances are that it will block */ |
855 |
status = fns->read(iorq->fd, |
status = fns->read(iorq->fd, |
856 |
iorq->buffer + iorq->partial_len, |
iorq->buffer + iorq->partial_len, |
857 |
req_size, 0, &result); |
req_size, iorq->offset, &result); |
|
iorq->partial_len += result; |
|
858 |
|
|
859 |
|
if (result > 0) |
860 |
|
{ |
861 |
|
iorq->partial_len += result; |
862 |
|
iorq->offset += result; |
863 |
|
} |
864 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
865 |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
866 |
#endif |
#endif |
872 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
873 |
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)); |
874 |
#endif |
#endif |
|
/* send the data */ |
|
|
status = STATUS_SUCCESS; |
|
875 |
rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
876 |
iorq->id, status, |
iorq->id, status, |
877 |
iorq->partial_len, |
iorq->partial_len, |
878 |
iorq->buffer, |
iorq->buffer, |
879 |
iorq->partial_len); |
iorq->partial_len); |
880 |
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); |
|
|
} |
|
881 |
} |
} |
882 |
} |
} |
883 |
break; |
break; |
895 |
/* never write larger chunks than 8k - chances are that it will block */ |
/* never write larger chunks than 8k - chances are that it will block */ |
896 |
status = fns->write(iorq->fd, |
status = fns->write(iorq->fd, |
897 |
iorq->buffer + |
iorq->buffer + |
898 |
iorq->partial_len, req_size, 0, |
iorq->partial_len, req_size, |
899 |
&result); |
iorq->offset, &result); |
900 |
iorq->partial_len += result; |
|
901 |
|
if (result > 0) |
902 |
|
{ |
903 |
|
iorq->partial_len += result; |
904 |
|
iorq->offset += result; |
905 |
|
} |
906 |
|
|
907 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
908 |
DEBUG(("RDPDR: %d bytes of data written\n", |
DEBUG(("RDPDR: %d bytes of data written\n", |
909 |
result)); |
result)); |
916 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
917 |
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)); |
918 |
#endif |
#endif |
|
/* send a status success */ |
|
|
status = STATUS_SUCCESS; |
|
919 |
rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
920 |
iorq->id, status, |
iorq->id, status, |
921 |
iorq->partial_len, |
iorq->partial_len, |
922 |
(uint8 *) "", 1); |
(uint8 *) "", 1); |
923 |
|
|
924 |
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); |
|
|
} |
|
925 |
} |
} |
926 |
} |
} |
927 |
break; |
break; |
929 |
|
|
930 |
} |
} |
931 |
prev = iorq; |
prev = iorq; |
932 |
iorq = iorq->next; |
if (iorq) |
933 |
|
iorq = iorq->next; |
934 |
} |
} |
935 |
|
|
936 |
} |
} |
954 |
result = 0; |
result = 0; |
955 |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
956 |
1); |
1); |
957 |
xfree(iorq->buffer); |
|
958 |
iorq->fd = 0; |
iorq = rdpdr_remove_iorequest(prev, iorq); |
|
if (prev != NULL) |
|
|
{ |
|
|
prev->next = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
|
else |
|
|
{ |
|
|
// Even if NULL |
|
|
g_iorequest = iorq->next; |
|
|
xfree(iorq); |
|
|
} |
|
959 |
return True; |
return True; |
960 |
} |
} |
961 |
|
|