1 |
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#include <unistd.h> |
2 |
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#include <sys/types.h> |
3 |
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#include <sys/time.h> |
4 |
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#include <time.h> |
5 |
#include "rdesktop.h" |
#include "rdesktop.h" |
6 |
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|
7 |
#define IRP_MJ_CREATE 0x00 |
#define IRP_MJ_CREATE 0x00 |
10 |
#define IRP_MJ_WRITE 0x04 |
#define IRP_MJ_WRITE 0x04 |
11 |
#define IRP_MJ_DEVICE_CONTROL 0x0e |
#define IRP_MJ_DEVICE_CONTROL 0x0e |
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13 |
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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 |
17 |
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#define IRP_MJ_QUERY_INFORMATION 0x05 |
18 |
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#define IRP_MJ_SET_INFORMATION 0x06 |
19 |
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#define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a |
20 |
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#define IRP_MJ_DIRECTORY_CONTROL 0x0c |
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#define IRP_MJ_DEVICE_CONTROL 0x0e |
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23 |
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#define IRP_MN_QUERY_DIRECTORY 0x01 |
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#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
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|
26 |
extern char hostname[16]; |
extern char hostname[16]; |
27 |
extern DEVICE_FNS serial_fns; |
extern DEVICE_FNS serial_fns; |
28 |
extern DEVICE_FNS printer_fns; |
extern DEVICE_FNS printer_fns; |
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extern DEVICE_FNS parallel_fns; |
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extern DEVICE_FNS disk_fns; |
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|
32 |
static VCHANNEL *rdpdr_channel; |
static VCHANNEL *rdpdr_channel; |
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|
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/* If select() times out, the request for the device with handle g_min_timeout_fd is aborted */ |
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HANDLE g_min_timeout_fd; |
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uint32 g_num_devices; |
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|
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/* Table with information about rdpdr devices */ |
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RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
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|
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/* 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, */ |
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/* if multiple ios are being done on the same fd */ |
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struct async_iorequest |
45 |
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{ |
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uint32 fd, major, minor, offset, device, id, length, partial_len; |
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long timeout, /* Total timeout */ |
48 |
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itv_timeout; /* Interval timeout (between serial characters) */ |
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uint8 *buffer; |
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DEVICE_FNS *fns; |
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|
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struct async_iorequest *next; /* next element in list */ |
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}; |
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struct async_iorequest *g_iorequest; |
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|
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/* Return device_id for a given handle */ |
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int |
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get_device_index(HANDLE handle) |
60 |
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{ |
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int i; |
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for (i = 0; i < RDPDR_MAX_DEVICES; i++) |
63 |
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{ |
64 |
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if (g_rdpdr_device[i].handle == handle) |
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return i; |
66 |
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} |
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return -1; |
68 |
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} |
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|
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/* Converts a windows path to a unix path */ |
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void |
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convert_to_unix_filename(char *filename) |
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{ |
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char *p; |
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|
76 |
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while ((p = strchr(filename, '\\'))) |
77 |
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{ |
78 |
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*p = '/'; |
79 |
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} |
80 |
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} |
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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 */ |
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BOOL |
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add_async_iorequest(uint32 device, uint32 file, uint32 id, uint32 major, uint32 length, |
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DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer) |
86 |
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{ |
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struct async_iorequest *iorq; |
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|
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if (g_iorequest == NULL) |
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{ |
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g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
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g_iorequest->fd = 0; |
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g_iorequest->next = NULL; |
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} |
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|
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iorq = g_iorequest; |
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|
98 |
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while (iorq->fd != 0) |
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{ |
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// create new element if needed |
101 |
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if (iorq->next == NULL) |
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{ |
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iorq->next = |
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(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
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iorq->next->fd = 0; |
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iorq->next->next = NULL; |
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} |
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iorq = iorq->next; |
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} |
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iorq->device = device; |
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iorq->fd = file; |
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iorq->id = id; |
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iorq->major = major; |
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iorq->length = length; |
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iorq->partial_len = 0; |
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iorq->fns = fns; |
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iorq->timeout = total_timeout; |
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iorq->itv_timeout = interval_timeout; |
119 |
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iorq->buffer = buffer; |
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return True; |
121 |
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} |
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|
123 |
void |
void |
124 |
rdpdr_send_connect(void) |
rdpdr_send_connect(void) |
125 |
{ |
{ |
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channel_send(s, rdpdr_channel); |
channel_send(s, rdpdr_channel); |
136 |
} |
} |
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138 |
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139 |
void |
void |
140 |
rdpdr_send_name(void) |
rdpdr_send_name(void) |
141 |
{ |
{ |
154 |
channel_send(s, rdpdr_channel); |
channel_send(s, rdpdr_channel); |
155 |
} |
} |
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|
157 |
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/* Returns the size of the payload of the announce packet */ |
158 |
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int |
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announcedata_size() |
160 |
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{ |
161 |
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int size, i; |
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PRINTER *printerinfo; |
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size = 8; //static announce size |
165 |
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size += g_num_devices * 0x14; |
166 |
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for (i = 0; i < g_num_devices; i++) |
168 |
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{ |
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if (g_rdpdr_device[i].device_type == DEVICE_TYPE_PRINTER) |
170 |
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{ |
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printerinfo = (PRINTER *) g_rdpdr_device[i].pdevice_data; |
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printerinfo->bloblen = |
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printercache_load_blob(printerinfo->printer, &(printerinfo->blob)); |
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|
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size += 0x18; |
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size += 2 * strlen(printerinfo->driver) + 2; |
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size += 2 * strlen(printerinfo->printer) + 2; |
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size += printerinfo->bloblen; |
179 |
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} |
180 |
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} |
181 |
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return size; |
183 |
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} |
184 |
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185 |
void |
void |
186 |
rdpdr_send_available(void) |
rdpdr_send_available(void) |
187 |
{ |
{ |
188 |
|
|
189 |
uint8 magic[4] = "rDAD"; |
uint8 magic[4] = "rDAD"; |
190 |
char *driver = "Digital turbo PrintServer 20"; /* Fairly generic PostScript driver */ |
uint32 driverlen, printerlen, bloblen; |
191 |
char *printer = "PostScript"; |
int i; |
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uint32 driverlen = (strlen(driver) + 1) * 2; |
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uint32 printerlen = (strlen(printer) + 1) * 2; |
|
192 |
STREAM s; |
STREAM s; |
193 |
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PRINTER *printerinfo; |
194 |
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|
195 |
s = channel_init(rdpdr_channel, 8 + 20); |
s = channel_init(rdpdr_channel, announcedata_size()); |
196 |
out_uint8a(s, magic, 4); |
out_uint8a(s, magic, 4); |
197 |
out_uint32_le(s, 1); /* Number of devices */ |
out_uint32_le(s, g_num_devices); |
198 |
|
|
199 |
#if 1 |
for (i = 0; i < g_num_devices; i++) |
200 |
out_uint32_le(s, 0x1); /* Device type 0x1 - serial */ |
{ |
201 |
out_uint32_le(s, 0); /* Handle */ |
out_uint32_le(s, g_rdpdr_device[i].device_type); |
202 |
out_uint8p(s, "COM2", 4); |
out_uint32_le(s, i); /* RDP Device ID */ |
203 |
out_uint8s(s, 4); /* Pad to 8 */ |
out_uint8p(s, g_rdpdr_device[i].name, 8); |
204 |
out_uint32(s, 0); |
|
205 |
#endif |
switch (g_rdpdr_device[i].device_type) |
206 |
#if 0 |
{ |
207 |
out_uint32_le(s, 0x2); /* Device type 0x2 - parallel */ |
case DEVICE_TYPE_PRINTER: |
208 |
out_uint32_le(s, 0); |
printerinfo = (PRINTER *) g_rdpdr_device[i].pdevice_data; |
209 |
out_uint8p(s, "LPT2", 4); |
|
210 |
out_uint8s(s, 4); |
driverlen = 2 * strlen(printerinfo->driver) + 2; |
211 |
out_uint32(s, 0); |
printerlen = 2 * strlen(printerinfo->printer) + 2; |
212 |
#endif |
bloblen = printerinfo->bloblen; |
213 |
#if 1 |
|
214 |
out_uint32_le(s, 0x4); /* Device type 0x4 - printer */ |
out_uint32_le(s, 24 + driverlen + printerlen + bloblen); /* length of extra info */ |
215 |
out_uint32_le(s, 1); |
out_uint32_le(s, printerinfo->default_printer ? 2 : 0); |
216 |
out_uint8p(s, "PRN1", 4); |
out_uint8s(s, 8); /* unknown */ |
217 |
out_uint8s(s, 4); |
out_uint32_le(s, driverlen); |
218 |
out_uint32_le(s, 24 + driverlen + printerlen); /* length of extra info */ |
out_uint32_le(s, printerlen); |
219 |
out_uint32_le(s, 2); /* unknown */ |
out_uint32_le(s, bloblen); |
220 |
out_uint8s(s, 8); /* unknown */ |
rdp_out_unistr(s, printerinfo->driver, driverlen - 2); |
221 |
out_uint32_le(s, driverlen); /* length of driver name */ |
rdp_out_unistr(s, printerinfo->printer, printerlen - 2); |
222 |
out_uint32_le(s, printerlen); /* length of printer name */ |
out_uint8a(s, printerinfo->blob, bloblen); |
223 |
out_uint32(s, 0); /* unknown */ |
|
224 |
rdp_out_unistr(s, driver, driverlen - 2); |
if (printerinfo->blob) |
225 |
rdp_out_unistr(s, printer, printerlen - 2); |
xfree(printerinfo->blob); /* Blob is sent twice if reconnecting */ |
226 |
#endif |
break; |
227 |
#if 0 |
default: |
228 |
out_uint32_le(s, 0x8); /* Device type 0x8 - disk */ |
out_uint32(s, 0); |
229 |
out_uint32_le(s, 0); |
} |
230 |
out_uint8p(s, "Z:", 2); |
} |
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out_uint8s(s, 6); |
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out_uint32(s, 0); |
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#endif |
|
231 |
#if 0 |
#if 0 |
232 |
out_uint32_le(s, 0x20); /* Device type 0x20 - smart card */ |
out_uint32_le(s, 0x20); /* Device type 0x20 - smart card */ |
233 |
out_uint32_le(s, 0); |
out_uint32_le(s, 0); |
255 |
out_uint32_le(s, result); |
out_uint32_le(s, result); |
256 |
out_uint8p(s, buffer, length); |
out_uint8p(s, buffer, length); |
257 |
s_mark_end(s); |
s_mark_end(s); |
258 |
hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8); |
/* JIF |
259 |
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hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8); */ |
260 |
channel_send(s, rdpdr_channel); |
channel_send(s, rdpdr_channel); |
261 |
} |
} |
262 |
|
|
263 |
static void |
static void |
264 |
rdpdr_process_irp(STREAM s) |
rdpdr_process_irp(STREAM s) |
265 |
{ |
{ |
266 |
uint32 device, file, id, major, minor; |
uint32 result = 0, |
267 |
NTSTATUS status = STATUS_INVALID_DEVICE_REQUEST; |
length = 0, |
268 |
uint32 result = 0, length, request, bytes_in, bytes_out; |
desired_access = 0, |
269 |
uint8 buffer[256]; |
request, |
270 |
uint32 buffer_len = 1; |
file, |
271 |
|
info_level, |
272 |
|
buffer_len, |
273 |
|
id, |
274 |
|
major, |
275 |
|
minor, |
276 |
|
device, |
277 |
|
offset, |
278 |
|
bytes_in, |
279 |
|
bytes_out, |
280 |
|
error_mode, |
281 |
|
share_mode, disposition, total_timeout, interval_timeout, flags_and_attributes = 0; |
282 |
|
|
283 |
|
char filename[256]; |
284 |
|
uint8 *buffer, *pst_buf; |
285 |
struct stream out; |
struct stream out; |
286 |
DEVICE_FNS *fns; |
DEVICE_FNS *fns; |
287 |
|
BOOL rw_blocking = True; |
288 |
|
NTSTATUS status = STATUS_INVALID_DEVICE_REQUEST; |
289 |
|
|
290 |
in_uint32_le(s, device); |
in_uint32_le(s, device); |
291 |
in_uint32_le(s, file); |
in_uint32_le(s, file); |
293 |
in_uint32_le(s, major); |
in_uint32_le(s, major); |
294 |
in_uint32_le(s, minor); |
in_uint32_le(s, minor); |
295 |
|
|
296 |
memset(buffer, 0, sizeof(buffer)); |
buffer_len = 0; |
297 |
|
buffer = (uint8 *) xmalloc(1024); |
298 |
|
buffer[0] = 0; |
299 |
|
|
300 |
/* FIXME: this should probably be a more dynamic mapping */ |
switch (g_rdpdr_device[device].device_type) |
|
switch (device) |
|
301 |
{ |
{ |
302 |
case 0: |
case DEVICE_TYPE_SERIAL: |
303 |
|
|
304 |
fns = &serial_fns; |
fns = &serial_fns; |
305 |
case 1: |
rw_blocking = False; |
306 |
|
break; |
307 |
|
|
308 |
|
case DEVICE_TYPE_PARALLEL: |
309 |
|
|
310 |
|
fns = ¶llel_fns; |
311 |
|
rw_blocking = False; |
312 |
|
break; |
313 |
|
|
314 |
|
case DEVICE_TYPE_PRINTER: |
315 |
|
|
316 |
fns = &printer_fns; |
fns = &printer_fns; |
317 |
|
break; |
318 |
|
|
319 |
|
case DEVICE_TYPE_DISK: |
320 |
|
|
321 |
|
fns = &disk_fns; |
322 |
|
rw_blocking = False; |
323 |
|
break; |
324 |
|
|
325 |
|
case DEVICE_TYPE_SCARD: |
326 |
default: |
default: |
327 |
|
|
328 |
error("IRP for bad device %ld\n", device); |
error("IRP for bad device %ld\n", device); |
329 |
return; |
return; |
330 |
} |
} |
332 |
switch (major) |
switch (major) |
333 |
{ |
{ |
334 |
case IRP_MJ_CREATE: |
case IRP_MJ_CREATE: |
335 |
if (fns->create) |
|
336 |
status = fns->create(&result); |
in_uint32_be(s, desired_access); |
337 |
|
in_uint8s(s, 0x08); // unknown |
338 |
|
in_uint32_le(s, error_mode); |
339 |
|
in_uint32_le(s, share_mode); |
340 |
|
in_uint32_le(s, disposition); |
341 |
|
in_uint32_le(s, flags_and_attributes); |
342 |
|
in_uint32_le(s, length); |
343 |
|
|
344 |
|
if (length && (length / 2) < 256) |
345 |
|
{ |
346 |
|
rdp_in_unistr(s, filename, length); |
347 |
|
convert_to_unix_filename(filename); |
348 |
|
} |
349 |
|
else |
350 |
|
{ |
351 |
|
filename[0] = 0; |
352 |
|
} |
353 |
|
|
354 |
|
if (!fns->create) |
355 |
|
{ |
356 |
|
status = STATUS_NOT_SUPPORTED; |
357 |
|
break; |
358 |
|
} |
359 |
|
|
360 |
|
status = fns->create(device, desired_access, share_mode, disposition, |
361 |
|
flags_and_attributes, filename, &result); |
362 |
|
buffer_len = 1; |
363 |
break; |
break; |
364 |
|
|
365 |
case IRP_MJ_CLOSE: |
case IRP_MJ_CLOSE: |
366 |
if (fns->close) |
if (!fns->close) |
367 |
status = fns->close(file); |
{ |
368 |
|
status = STATUS_NOT_SUPPORTED; |
369 |
|
break; |
370 |
|
} |
371 |
|
|
372 |
|
status = fns->close(file); |
373 |
break; |
break; |
374 |
|
|
375 |
case IRP_MJ_READ: |
case IRP_MJ_READ: |
376 |
if (fns->read) |
|
377 |
|
if (!fns->read) |
378 |
|
{ |
379 |
|
status = STATUS_NOT_SUPPORTED; |
380 |
|
break; |
381 |
|
} |
382 |
|
|
383 |
|
in_uint32_le(s, length); |
384 |
|
in_uint32_le(s, offset); |
385 |
|
#if WITH_DEBUG_RDP5 |
386 |
|
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
387 |
|
#endif |
388 |
|
if (rw_blocking) // Complete read immediately |
389 |
{ |
{ |
390 |
if (length > sizeof(buffer)) |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
391 |
length = sizeof(buffer); |
status = fns->read(file, buffer, length, offset, &result); |
|
status = fns->read(file, buffer, length, &result); |
|
392 |
buffer_len = result; |
buffer_len = result; |
393 |
|
break; |
394 |
} |
} |
|
break; |
|
395 |
|
|
396 |
|
// Add request to table |
397 |
|
pst_buf = (uint8 *) xmalloc(length); |
398 |
|
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
399 |
|
if (add_async_iorequest |
400 |
|
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
401 |
|
pst_buf)) |
402 |
|
{ |
403 |
|
status = STATUS_PENDING; |
404 |
|
break; |
405 |
|
} |
406 |
|
|
407 |
|
status = STATUS_CANCELLED; |
408 |
|
break; |
409 |
case IRP_MJ_WRITE: |
case IRP_MJ_WRITE: |
410 |
if (fns->write) |
|
411 |
status = fns->write(file, s->p, length, &result); |
buffer_len = 1; |
412 |
|
|
413 |
|
if (!fns->write) |
414 |
|
{ |
415 |
|
status = STATUS_NOT_SUPPORTED; |
416 |
|
break; |
417 |
|
} |
418 |
|
|
419 |
|
in_uint32_le(s, length); |
420 |
|
in_uint32_le(s, offset); |
421 |
|
in_uint8s(s, 0x18); |
422 |
|
#if WITH_DEBUG_RDP5 |
423 |
|
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
424 |
|
#endif |
425 |
|
if (rw_blocking) // Complete immediately |
426 |
|
{ |
427 |
|
status = fns->write(file, s->p, length, offset, &result); |
428 |
|
break; |
429 |
|
} |
430 |
|
|
431 |
|
// Add to table |
432 |
|
pst_buf = (uint8 *) xmalloc(length); |
433 |
|
in_uint8a(s, pst_buf, length); |
434 |
|
|
435 |
|
if (add_async_iorequest |
436 |
|
(device, file, id, major, length, fns, 0, 0, pst_buf)) |
437 |
|
{ |
438 |
|
status = STATUS_PENDING; |
439 |
|
break; |
440 |
|
} |
441 |
|
|
442 |
|
status = STATUS_CANCELLED; |
443 |
|
break; |
444 |
|
|
445 |
|
case IRP_MJ_QUERY_INFORMATION: |
446 |
|
|
447 |
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
448 |
|
{ |
449 |
|
status = STATUS_INVALID_HANDLE; |
450 |
|
break; |
451 |
|
} |
452 |
|
in_uint32_le(s, info_level); |
453 |
|
|
454 |
|
out.data = out.p = buffer; |
455 |
|
out.size = sizeof(buffer); |
456 |
|
status = disk_query_information(file, info_level, &out); |
457 |
|
result = buffer_len = out.p - out.data; |
458 |
|
|
459 |
|
break; |
460 |
|
|
461 |
|
case IRP_MJ_SET_INFORMATION: |
462 |
|
|
463 |
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
464 |
|
{ |
465 |
|
status = STATUS_INVALID_HANDLE; |
466 |
|
break; |
467 |
|
} |
468 |
|
|
469 |
|
in_uint32_le(s, info_level); |
470 |
|
|
471 |
|
out.data = out.p = buffer; |
472 |
|
out.size = sizeof(buffer); |
473 |
|
status = disk_set_information(file, info_level, s, &out); |
474 |
|
result = buffer_len = out.p - out.data; |
475 |
|
break; |
476 |
|
|
477 |
|
case IRP_MJ_QUERY_VOLUME_INFORMATION: |
478 |
|
|
479 |
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
480 |
|
{ |
481 |
|
status = STATUS_INVALID_HANDLE; |
482 |
|
break; |
483 |
|
} |
484 |
|
|
485 |
|
in_uint32_le(s, info_level); |
486 |
|
|
487 |
|
out.data = out.p = buffer; |
488 |
|
out.size = sizeof(buffer); |
489 |
|
status = disk_query_volume_information(file, info_level, &out); |
490 |
|
result = buffer_len = out.p - out.data; |
491 |
|
break; |
492 |
|
|
493 |
|
case IRP_MJ_DIRECTORY_CONTROL: |
494 |
|
|
495 |
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
496 |
|
{ |
497 |
|
status = STATUS_INVALID_HANDLE; |
498 |
|
break; |
499 |
|
} |
500 |
|
|
501 |
|
switch (minor) |
502 |
|
{ |
503 |
|
case IRP_MN_QUERY_DIRECTORY: |
504 |
|
|
505 |
|
in_uint32_le(s, info_level); |
506 |
|
in_uint8s(s, 1); |
507 |
|
in_uint32_le(s, length); |
508 |
|
in_uint8s(s, 0x17); |
509 |
|
if (length && length < 2 * 255) |
510 |
|
{ |
511 |
|
rdp_in_unistr(s, filename, length); |
512 |
|
convert_to_unix_filename(filename); |
513 |
|
} |
514 |
|
else |
515 |
|
{ |
516 |
|
filename[0] = 0; |
517 |
|
} |
518 |
|
out.data = out.p = buffer; |
519 |
|
out.size = sizeof(buffer); |
520 |
|
status = disk_query_directory(file, info_level, filename, |
521 |
|
&out); |
522 |
|
result = buffer_len = out.p - out.data; |
523 |
|
if (!buffer_len) |
524 |
|
buffer_len++; |
525 |
|
break; |
526 |
|
|
527 |
|
case IRP_MN_NOTIFY_CHANGE_DIRECTORY: |
528 |
|
|
529 |
|
/* JIF |
530 |
|
unimpl("IRP major=0x%x minor=0x%x: IRP_MN_NOTIFY_CHANGE_DIRECTORY\n", major, minor); */ |
531 |
|
status = STATUS_PENDING; // Don't send completion packet |
532 |
|
break; |
533 |
|
|
534 |
|
default: |
535 |
|
|
536 |
|
status = STATUS_INVALID_PARAMETER; |
537 |
|
/* JIF |
538 |
|
unimpl("IRP major=0x%x minor=0x%x\n", major, minor); */ |
539 |
|
} |
540 |
break; |
break; |
541 |
|
|
542 |
case IRP_MJ_DEVICE_CONTROL: |
case IRP_MJ_DEVICE_CONTROL: |
543 |
if (fns->device_control) |
|
544 |
|
if (!fns->device_control) |
545 |
{ |
{ |
546 |
in_uint32_le(s, bytes_out); |
status = STATUS_NOT_SUPPORTED; |
547 |
in_uint32_le(s, bytes_in); |
break; |
|
in_uint32_le(s, request); |
|
|
in_uint8s(s, 0x14); |
|
|
out.data = out.p = buffer; |
|
|
out.size = sizeof(buffer); |
|
|
status = fns->device_control(file, request, s, &out); |
|
|
result = buffer_len = out.p - out.data; |
|
548 |
} |
} |
549 |
|
|
550 |
|
in_uint32_le(s, bytes_out); |
551 |
|
in_uint32_le(s, bytes_in); |
552 |
|
in_uint32_le(s, request); |
553 |
|
in_uint8s(s, 0x14); |
554 |
|
|
555 |
|
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
556 |
|
out.data = out.p = buffer; |
557 |
|
out.size = sizeof(buffer); |
558 |
|
status = fns->device_control(file, request, s, &out); |
559 |
|
result = buffer_len = out.p - out.data; |
560 |
break; |
break; |
561 |
|
|
562 |
default: |
default: |
564 |
break; |
break; |
565 |
} |
} |
566 |
|
|
567 |
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
if (status != STATUS_PENDING) |
568 |
|
{ |
569 |
|
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
570 |
|
} |
571 |
|
xfree(buffer); |
572 |
|
|
573 |
|
} |
574 |
|
|
575 |
|
void |
576 |
|
rdpdr_send_clientcapabilty(void) |
577 |
|
{ |
578 |
|
uint8 magic[4] = "rDPC"; |
579 |
|
STREAM s; |
580 |
|
|
581 |
|
s = channel_init(rdpdr_channel, 0x50); |
582 |
|
out_uint8a(s, magic, 4); |
583 |
|
out_uint32_le(s, 5); /* count */ |
584 |
|
out_uint16_le(s, 1); /* first */ |
585 |
|
out_uint16_le(s, 0x28); /* length */ |
586 |
|
out_uint32_le(s, 1); |
587 |
|
out_uint32_le(s, 2); |
588 |
|
out_uint16_le(s, 2); |
589 |
|
out_uint16_le(s, 5); |
590 |
|
out_uint16_le(s, 1); |
591 |
|
out_uint16_le(s, 5); |
592 |
|
out_uint16_le(s, 0xFFFF); |
593 |
|
out_uint16_le(s, 0); |
594 |
|
out_uint32_le(s, 0); |
595 |
|
out_uint32_le(s, 3); |
596 |
|
out_uint32_le(s, 0); |
597 |
|
out_uint32_le(s, 0); |
598 |
|
out_uint16_le(s, 2); /* second */ |
599 |
|
out_uint16_le(s, 8); /* length */ |
600 |
|
out_uint32_le(s, 1); |
601 |
|
out_uint16_le(s, 3); /* third */ |
602 |
|
out_uint16_le(s, 8); /* length */ |
603 |
|
out_uint32_le(s, 1); |
604 |
|
out_uint16_le(s, 4); /* fourth */ |
605 |
|
out_uint16_le(s, 8); /* length */ |
606 |
|
out_uint32_le(s, 1); |
607 |
|
out_uint16_le(s, 5); /* fifth */ |
608 |
|
out_uint16_le(s, 8); /* length */ |
609 |
|
out_uint32_le(s, 1); |
610 |
|
|
611 |
|
s_mark_end(s); |
612 |
|
channel_send(s, rdpdr_channel); |
613 |
} |
} |
614 |
|
|
615 |
static void |
static void |
616 |
rdpdr_process(STREAM s) |
rdpdr_process(STREAM s) |
617 |
{ |
{ |
618 |
uint32 handle; |
uint32 handle; |
619 |
char *magic; |
uint8 *magic; |
620 |
|
|
621 |
printf("rdpdr_process\n"); |
#if WITH_DEBUG_RDP5 |
622 |
|
printf("--- rdpdr_process ---\n"); |
623 |
hexdump(s->p, s->end - s->p); |
hexdump(s->p, s->end - s->p); |
624 |
|
#endif |
625 |
in_uint8p(s, magic, 4); |
in_uint8p(s, magic, 4); |
626 |
|
|
627 |
if ((magic[0] == 'r') && (magic[1] == 'D')) |
if ((magic[0] == 'r') && (magic[1] == 'D')) |
635 |
{ |
{ |
636 |
rdpdr_send_connect(); |
rdpdr_send_connect(); |
637 |
rdpdr_send_name(); |
rdpdr_send_name(); |
|
rdpdr_send_available(); |
|
638 |
return; |
return; |
639 |
} |
} |
640 |
else if ((magic[2] == 'C') && (magic[3] == 'C')) |
if ((magic[2] == 'C') && (magic[3] == 'C')) |
641 |
{ |
{ |
642 |
/* connect from server */ |
/* connect from server */ |
643 |
|
rdpdr_send_clientcapabilty(); |
644 |
|
rdpdr_send_available(); |
645 |
return; |
return; |
646 |
} |
} |
647 |
else if ((magic[2] == 'r') && (magic[3] == 'd')) |
if ((magic[2] == 'r') && (magic[3] == 'd')) |
648 |
{ |
{ |
649 |
/* connect to a specific resource */ |
/* connect to a specific resource */ |
650 |
in_uint32(s, handle); |
in_uint32(s, handle); |
651 |
printf("Server connected to resource %d\n", handle); |
#if WITH_DEBUG_RDP5 |
652 |
|
DEBUG(("RDPDR: Server connected to resource %d\n", handle)); |
653 |
|
#endif |
654 |
|
return; |
655 |
|
} |
656 |
|
if ((magic[2] == 'P') && (magic[3] == 'S')) |
657 |
|
{ |
658 |
|
/* server capability */ |
659 |
|
return; |
660 |
|
} |
661 |
|
} |
662 |
|
if ((magic[0] == 'R') && (magic[1] == 'P')) |
663 |
|
{ |
664 |
|
if ((magic[2] == 'C') && (magic[3] == 'P')) |
665 |
|
{ |
666 |
|
printercache_process(s); |
667 |
return; |
return; |
668 |
} |
} |
669 |
} |
} |
671 |
} |
} |
672 |
|
|
673 |
BOOL |
BOOL |
674 |
rdpdr_init(void) |
rdpdr_init() |
675 |
{ |
{ |
676 |
rdpdr_channel = |
if (g_num_devices > 0) |
677 |
channel_register("rdpdr", CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_COMPRESS_RDP, |
{ |
678 |
rdpdr_process); |
rdpdr_channel = |
679 |
|
channel_register("rdpdr", |
680 |
|
CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_COMPRESS_RDP, |
681 |
|
rdpdr_process); |
682 |
|
} |
683 |
|
|
684 |
return (rdpdr_channel != NULL); |
return (rdpdr_channel != NULL); |
685 |
} |
} |
686 |
|
|
687 |
|
/* Add file descriptors of pending io request to select() */ |
688 |
|
void |
689 |
|
rdpdr_add_fds(int *n, fd_set * rfds, fd_set * wfds, struct timeval *tv, BOOL * timeout) |
690 |
|
{ |
691 |
|
uint32 select_timeout = 0; // Timeout value to be used for select() (in millisecons). |
692 |
|
struct async_iorequest *iorq; |
693 |
|
|
694 |
|
iorq = g_iorequest; |
695 |
|
while (iorq != NULL) |
696 |
|
{ |
697 |
|
if (iorq->fd != 0) |
698 |
|
{ |
699 |
|
switch (iorq->major) |
700 |
|
{ |
701 |
|
case IRP_MJ_READ: |
702 |
|
|
703 |
|
FD_SET(iorq->fd, rfds); |
704 |
|
|
705 |
|
// Check if io request timeout is smaller than current (but not 0). |
706 |
|
if (iorq->timeout |
707 |
|
&& (select_timeout == 0 |
708 |
|
|| iorq->timeout < select_timeout)) |
709 |
|
{ |
710 |
|
// Set new timeout |
711 |
|
select_timeout = iorq->timeout; |
712 |
|
g_min_timeout_fd = iorq->fd; /* Remember fd */ |
713 |
|
tv->tv_sec = select_timeout / 1000; |
714 |
|
tv->tv_usec = (select_timeout % 1000) * 1000; |
715 |
|
*timeout = True; |
716 |
|
} |
717 |
|
break; |
718 |
|
|
719 |
|
case IRP_MJ_WRITE: |
720 |
|
FD_SET(iorq->fd, wfds); |
721 |
|
break; |
722 |
|
|
723 |
|
} |
724 |
|
*n = MAX(*n, iorq->fd); |
725 |
|
} |
726 |
|
|
727 |
|
iorq = iorq->next; |
728 |
|
} |
729 |
|
} |
730 |
|
|
731 |
|
|
732 |
|
/* Check if select() returned with one of the rdpdr file descriptors, and complete io if it did */ |
733 |
|
void |
734 |
|
rdpdr_check_fds(fd_set * rfds, fd_set * wfds, BOOL timed_out) |
735 |
|
{ |
736 |
|
NTSTATUS status; |
737 |
|
uint32 result = 0; |
738 |
|
DEVICE_FNS *fns; |
739 |
|
struct async_iorequest *iorq; |
740 |
|
struct async_iorequest *prev; |
741 |
|
uint32 req_size = 0; |
742 |
|
|
743 |
|
if (timed_out) |
744 |
|
{ |
745 |
|
rdpdr_abort_io(g_min_timeout_fd, 0, STATUS_TIMEOUT); |
746 |
|
return; |
747 |
|
} |
748 |
|
|
749 |
|
iorq = g_iorequest; |
750 |
|
prev = NULL; |
751 |
|
while (iorq != NULL) |
752 |
|
{ |
753 |
|
if (iorq->fd != 0) |
754 |
|
{ |
755 |
|
switch (iorq->major) |
756 |
|
{ |
757 |
|
case IRP_MJ_READ: |
758 |
|
if (FD_ISSET(iorq->fd, rfds)) |
759 |
|
{ |
760 |
|
/* Read the data */ |
761 |
|
fns = iorq->fns; |
762 |
|
|
763 |
|
req_size = |
764 |
|
(iorq->length - iorq->partial_len) > |
765 |
|
8192 ? 8192 : (iorq->length - |
766 |
|
iorq->partial_len); |
767 |
|
/* never read larger chunks than 8k - chances are that it will block */ |
768 |
|
status = fns->read(iorq->fd, |
769 |
|
iorq->buffer + iorq->partial_len, |
770 |
|
req_size, 0, &result); |
771 |
|
iorq->partial_len += result; |
772 |
|
|
773 |
|
#if WITH_DEBUG_RDP5 |
774 |
|
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
775 |
|
#endif |
776 |
|
/* only delete link if all data has been transfered */ |
777 |
|
/* or if result was 0 and status success - EOF */ |
778 |
|
if ((iorq->partial_len == iorq->length) || |
779 |
|
(result == 0)) |
780 |
|
{ |
781 |
|
#if WITH_DEBUG_RDP5 |
782 |
|
DEBUG(("RDPDR: AIO total %u bytes read of %u\n", iorq->partial_len, iorq->length)); |
783 |
|
#endif |
784 |
|
/* send the data */ |
785 |
|
status = STATUS_SUCCESS; |
786 |
|
rdpdr_send_completion(iorq->device, |
787 |
|
iorq->id, status, |
788 |
|
iorq->partial_len, |
789 |
|
iorq->buffer, |
790 |
|
iorq->partial_len); |
791 |
|
xfree(iorq->buffer); |
792 |
|
iorq->fd = 0; |
793 |
|
if (prev != NULL) |
794 |
|
{ |
795 |
|
prev->next = iorq->next; |
796 |
|
xfree(iorq); |
797 |
|
} |
798 |
|
else |
799 |
|
{ |
800 |
|
// Even if NULL |
801 |
|
g_iorequest = iorq->next; |
802 |
|
xfree(iorq); |
803 |
|
} |
804 |
|
} |
805 |
|
} |
806 |
|
break; |
807 |
|
case IRP_MJ_WRITE: |
808 |
|
if (FD_ISSET(iorq->fd, wfds)) |
809 |
|
{ |
810 |
|
/* Write data. */ |
811 |
|
fns = iorq->fns; |
812 |
|
|
813 |
|
req_size = |
814 |
|
(iorq->length - iorq->partial_len) > |
815 |
|
8192 ? 8192 : (iorq->length - |
816 |
|
iorq->partial_len); |
817 |
|
|
818 |
|
/* never write larger chunks than 8k - chances are that it will block */ |
819 |
|
status = fns->write(iorq->fd, |
820 |
|
iorq->buffer + |
821 |
|
iorq->partial_len, req_size, 0, |
822 |
|
&result); |
823 |
|
iorq->partial_len += result; |
824 |
|
#if WITH_DEBUG_RDP5 |
825 |
|
DEBUG(("RDPDR: %d bytes of data written\n", |
826 |
|
result)); |
827 |
|
#endif |
828 |
|
/* only delete link if all data has been transfered */ |
829 |
|
/* or we couldn't write */ |
830 |
|
if ((iorq->partial_len == iorq->length) |
831 |
|
|| (result == 0)) |
832 |
|
{ |
833 |
|
#if WITH_DEBUG_RDP5 |
834 |
|
DEBUG(("RDPDR: AIO total %u bytes written of %u\n", iorq->partial_len, iorq->length)); |
835 |
|
#endif |
836 |
|
/* send a status success */ |
837 |
|
status = STATUS_SUCCESS; |
838 |
|
rdpdr_send_completion(iorq->device, |
839 |
|
iorq->id, status, |
840 |
|
iorq->partial_len, |
841 |
|
(uint8 *) "", 1); |
842 |
|
|
843 |
|
xfree(iorq->buffer); |
844 |
|
iorq->fd = 0; |
845 |
|
if (prev != NULL) |
846 |
|
{ |
847 |
|
prev->next = iorq->next; |
848 |
|
xfree(iorq); |
849 |
|
} |
850 |
|
else |
851 |
|
{ |
852 |
|
// Even if NULL |
853 |
|
g_iorequest = iorq->next; |
854 |
|
xfree(iorq); |
855 |
|
} |
856 |
|
} |
857 |
|
} |
858 |
|
break; |
859 |
|
} |
860 |
|
|
861 |
|
} |
862 |
|
prev = iorq; |
863 |
|
iorq = iorq->next; |
864 |
|
} |
865 |
|
|
866 |
|
} |
867 |
|
|
868 |
|
/* Abort a pending io request for a given handle and major */ |
869 |
|
BOOL |
870 |
|
rdpdr_abort_io(uint32 fd, uint32 major, NTSTATUS status) |
871 |
|
{ |
872 |
|
uint32 result; |
873 |
|
struct async_iorequest *iorq; |
874 |
|
struct async_iorequest *prev; |
875 |
|
|
876 |
|
iorq = g_iorequest; |
877 |
|
prev = NULL; |
878 |
|
while (iorq != NULL) |
879 |
|
{ |
880 |
|
// Only remove from table when major is not set, or when correct major is supplied. |
881 |
|
// Abort read should not abort a write io request. |
882 |
|
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
883 |
|
{ |
884 |
|
result = 0; |
885 |
|
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
886 |
|
1); |
887 |
|
xfree(iorq->buffer); |
888 |
|
iorq->fd = 0; |
889 |
|
if (prev != NULL) |
890 |
|
{ |
891 |
|
prev->next = iorq->next; |
892 |
|
xfree(iorq); |
893 |
|
} |
894 |
|
else |
895 |
|
{ |
896 |
|
// Even if NULL |
897 |
|
g_iorequest = iorq->next; |
898 |
|
xfree(iorq); |
899 |
|
} |
900 |
|
return True; |
901 |
|
} |
902 |
|
|
903 |
|
prev = iorq; |
904 |
|
iorq = iorq->next; |
905 |
|
} |
906 |
|
|
907 |
|
return False; |
908 |
|
} |