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#include <unistd.h> |
#include <unistd.h> |
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#include <sys/types.h> |
#include <sys/types.h> |
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#include <sys/time.h> |
#include <sys/time.h> |
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#include <dirent.h> /* opendir, closedir, readdir */ |
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#include <time.h> |
#include <time.h> |
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#include "rdesktop.h" |
#include "rdesktop.h" |
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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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#define IRP_MJ_CREATE 0x00 |
#define IRP_MJ_CREATE 0x00 |
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#define IRP_MJ_CLOSE 0x02 |
#define IRP_MJ_CLOSE 0x02 |
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#define IRP_MJ_READ 0x03 |
#define IRP_MJ_READ 0x03 |
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#define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a |
#define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a |
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#define IRP_MJ_DIRECTORY_CONTROL 0x0c |
#define IRP_MJ_DIRECTORY_CONTROL 0x0c |
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#define IRP_MJ_DEVICE_CONTROL 0x0e |
#define IRP_MJ_DEVICE_CONTROL 0x0e |
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#define IRP_MJ_LOCK_CONTROL 0x11 |
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#define IRP_MN_QUERY_DIRECTORY 0x01 |
#define IRP_MN_QUERY_DIRECTORY 0x01 |
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#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
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extern DEVICE_FNS printer_fns; |
extern DEVICE_FNS printer_fns; |
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extern DEVICE_FNS parallel_fns; |
extern DEVICE_FNS parallel_fns; |
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extern DEVICE_FNS disk_fns; |
extern DEVICE_FNS disk_fns; |
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extern FILEINFO g_fileinfo[]; |
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static VCHANNEL *rdpdr_channel; |
static VCHANNEL *rdpdr_channel; |
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/* Table with information about rdpdr devices */ |
/* Table with information about rdpdr devices */ |
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RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
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char *g_rdpdr_clientname = NULL; |
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/* 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 */ |
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/* 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, */ |
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} |
} |
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} |
} |
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BOOL |
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rdpdr_handle_ok(int device, int handle) |
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{ |
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switch (g_rdpdr_device[device].device_type) |
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{ |
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case DEVICE_TYPE_PARALLEL: |
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case DEVICE_TYPE_SERIAL: |
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case DEVICE_TYPE_PRINTER: |
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case DEVICE_TYPE_SCARD: |
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if (g_rdpdr_device[device].handle != handle) |
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return False; |
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break; |
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case DEVICE_TYPE_DISK: |
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if (g_fileinfo[handle].device_id != device) |
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return False; |
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break; |
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} |
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return True; |
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} |
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/* 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 */ |
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BOOL |
BOOL |
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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, |
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rdpdr_send_name(void) |
rdpdr_send_name(void) |
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{ |
{ |
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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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STREAM s; |
STREAM s; |
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uint32 hostlen; |
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if (NULL == g_rdpdr_clientname) |
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{ |
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g_rdpdr_clientname = hostname; |
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} |
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hostlen = (strlen(g_rdpdr_clientname) + 1) * 2; |
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s = channel_init(rdpdr_channel, 16 + hostlen); |
s = channel_init(rdpdr_channel, 16 + hostlen); |
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out_uint8a(s, magic, 4); |
out_uint8a(s, magic, 4); |
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out_uint16_le(s, 0x72); |
out_uint16_le(s, 0x72); |
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out_uint32(s, 0); |
out_uint32(s, 0); |
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out_uint32_le(s, hostlen); |
out_uint32_le(s, hostlen); |
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rdp_out_unistr(s, hostname, hostlen - 2); |
rdp_out_unistr(s, g_rdpdr_clientname, hostlen - 2); |
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s_mark_end(s); |
s_mark_end(s); |
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channel_send(s, rdpdr_channel); |
channel_send(s, rdpdr_channel); |
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} |
} |
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#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
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DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
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#endif |
#endif |
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if (!rdpdr_handle_ok(device, file)) |
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{ |
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status = STATUS_INVALID_HANDLE; |
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break; |
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} |
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if (rw_blocking) // Complete read immediately |
if (rw_blocking) // Complete read immediately |
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{ |
{ |
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buffer = (uint8 *) xrealloc((void *) buffer, length); |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
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#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
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DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
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#endif |
#endif |
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if (!rdpdr_handle_ok(device, file)) |
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{ |
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status = STATUS_INVALID_HANDLE; |
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break; |
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} |
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if (rw_blocking) // Complete immediately |
if (rw_blocking) // Complete immediately |
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{ |
{ |
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status = fns->write(file, s->p, length, offset, &result); |
status = fns->write(file, s->p, length, offset, &result); |
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} |
} |
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} |
} |
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struct async_iorequest * |
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rdpdr_remove_iorequest(struct async_iorequest *prev, struct async_iorequest *iorq) |
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{ |
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if (!iorq) |
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return NULL; |
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if (iorq->buffer) |
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xfree(iorq->buffer); |
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if (prev) |
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{ |
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prev->next = iorq->next; |
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xfree(iorq); |
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iorq = prev->next; |
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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); |
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iorq = NULL; |
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} |
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return iorq; |
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} |
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/* 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 */ |
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void |
void |
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status = fns->read(iorq->fd, |
status = fns->read(iorq->fd, |
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iorq->buffer + iorq->partial_len, |
iorq->buffer + iorq->partial_len, |
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req_size, iorq->offset, &result); |
req_size, iorq->offset, &result); |
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iorq->partial_len += result; |
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iorq->offset += result; |
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if (result > 0) |
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{ |
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iorq->partial_len += result; |
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iorq->offset += result; |
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} |
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#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
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DEBUG(("RDPDR: %d bytes of data read\n", result)); |
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
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#endif |
#endif |
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#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
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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)); |
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#endif |
#endif |
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/* send the data */ |
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status = STATUS_SUCCESS; |
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rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
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iorq->id, status, |
iorq->id, status, |
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iorq->partial_len, |
iorq->partial_len, |
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iorq->buffer, |
iorq->buffer, |
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iorq->partial_len); |
iorq->partial_len); |
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xfree(iorq->buffer); |
iorq = rdpdr_remove_iorequest(prev, iorq); |
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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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iorq = prev->next; |
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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); |
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iorq = NULL; |
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} |
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} |
} |
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} |
} |
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break; |
break; |
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iorq->buffer + |
iorq->buffer + |
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iorq->partial_len, req_size, |
iorq->partial_len, req_size, |
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iorq->offset, &result); |
iorq->offset, &result); |
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iorq->partial_len += result; |
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iorq->offset += result; |
if (result > 0) |
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{ |
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iorq->partial_len += result; |
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iorq->offset += result; |
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} |
907 |
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908 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
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DEBUG(("RDPDR: %d bytes of data written\n", |
DEBUG(("RDPDR: %d bytes of data written\n", |
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result)); |
result)); |
917 |
#if WITH_DEBUG_RDP5 |
#if WITH_DEBUG_RDP5 |
918 |
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)); |
919 |
#endif |
#endif |
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/* send a status success */ |
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status = STATUS_SUCCESS; |
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rdpdr_send_completion(iorq->device, |
rdpdr_send_completion(iorq->device, |
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iorq->id, status, |
iorq->id, status, |
922 |
iorq->partial_len, |
iorq->partial_len, |
923 |
(uint8 *) "", 1); |
(uint8 *) "", 1); |
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xfree(iorq->buffer); |
iorq = rdpdr_remove_iorequest(prev, iorq); |
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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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iorq = prev->next; |
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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); |
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iorq = NULL; |
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} |
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926 |
} |
} |
927 |
} |
} |
928 |
break; |
break; |
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result = 0; |
result = 0; |
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rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
957 |
1); |
1); |
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xfree(iorq->buffer); |
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iorq->fd = 0; |
iorq = rdpdr_remove_iorequest(prev, iorq); |
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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); |
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} |
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960 |
return True; |
return True; |
961 |
} |
} |
962 |
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