1 |
stargo |
570 |
#include <unistd.h> |
2 |
stargo |
576 |
#include <sys/types.h> |
3 |
stargo |
609 |
#include <sys/time.h> |
4 |
n-ki |
627 |
#include <dirent.h> /* opendir, closedir, readdir */ |
5 |
stargo |
576 |
#include <time.h> |
6 |
matthewc |
432 |
#include "rdesktop.h" |
7 |
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8 |
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#define IRP_MJ_CREATE 0x00 |
9 |
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#define IRP_MJ_CLOSE 0x02 |
10 |
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#define IRP_MJ_READ 0x03 |
11 |
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#define IRP_MJ_WRITE 0x04 |
12 |
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#define IRP_MJ_DEVICE_CONTROL 0x0e |
13 |
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|
14 |
n-ki |
569 |
#define IRP_MJ_CREATE 0x00 |
15 |
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#define IRP_MJ_CLOSE 0x02 |
16 |
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#define IRP_MJ_READ 0x03 |
17 |
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#define IRP_MJ_WRITE 0x04 |
18 |
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#define IRP_MJ_QUERY_INFORMATION 0x05 |
19 |
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#define IRP_MJ_SET_INFORMATION 0x06 |
20 |
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#define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a |
21 |
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#define IRP_MJ_DIRECTORY_CONTROL 0x0c |
22 |
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#define IRP_MJ_DEVICE_CONTROL 0x0e |
23 |
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24 |
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#define IRP_MN_QUERY_DIRECTORY 0x01 |
25 |
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#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 |
26 |
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|
27 |
matthewc |
432 |
extern char hostname[16]; |
28 |
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extern DEVICE_FNS serial_fns; |
29 |
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extern DEVICE_FNS printer_fns; |
30 |
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569 |
extern DEVICE_FNS parallel_fns; |
31 |
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extern DEVICE_FNS disk_fns; |
32 |
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627 |
extern FILEINFO g_fileinfo[]; |
33 |
matthewc |
432 |
|
34 |
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static VCHANNEL *rdpdr_channel; |
35 |
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|
36 |
n-ki |
569 |
/* If select() times out, the request for the device with handle g_min_timeout_fd is aborted */ |
37 |
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HANDLE g_min_timeout_fd; |
38 |
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uint32 g_num_devices; |
39 |
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40 |
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/* Table with information about rdpdr devices */ |
41 |
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RDPDR_DEVICE g_rdpdr_device[RDPDR_MAX_DEVICES]; |
42 |
forsberg |
646 |
char * g_rdpdr_clientname = NULL; |
43 |
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569 |
|
44 |
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/* Used to store incoming io request, until they are ready to be completed */ |
45 |
n-ki |
592 |
/* using a linked list ensures that they are processed in the right order, */ |
46 |
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/* if multiple ios are being done on the same fd */ |
47 |
n-ki |
569 |
struct async_iorequest |
48 |
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{ |
49 |
n-ki |
592 |
uint32 fd, major, minor, offset, device, id, length, partial_len; |
50 |
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569 |
long timeout, /* Total timeout */ |
51 |
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itv_timeout; /* Interval timeout (between serial characters) */ |
52 |
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uint8 *buffer; |
53 |
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DEVICE_FNS *fns; |
54 |
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|
55 |
n-ki |
592 |
struct async_iorequest *next; /* next element in list */ |
56 |
n-ki |
593 |
}; |
57 |
n-ki |
592 |
|
58 |
n-ki |
593 |
struct async_iorequest *g_iorequest; |
59 |
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|
60 |
n-ki |
569 |
/* Return device_id for a given handle */ |
61 |
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int |
62 |
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get_device_index(HANDLE handle) |
63 |
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{ |
64 |
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int i; |
65 |
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for (i = 0; i < RDPDR_MAX_DEVICES; i++) |
66 |
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{ |
67 |
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if (g_rdpdr_device[i].handle == handle) |
68 |
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return i; |
69 |
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} |
70 |
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return -1; |
71 |
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} |
72 |
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|
73 |
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/* Converts a windows path to a unix path */ |
74 |
matthewc |
432 |
void |
75 |
n-ki |
569 |
convert_to_unix_filename(char *filename) |
76 |
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{ |
77 |
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char *p; |
78 |
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|
79 |
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while ((p = strchr(filename, '\\'))) |
80 |
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{ |
81 |
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*p = '/'; |
82 |
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} |
83 |
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} |
84 |
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|
85 |
n-ki |
627 |
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 |
n-ki |
569 |
/* Add a new io request to the table containing pending io requests so it won't block rdesktop */ |
106 |
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BOOL |
107 |
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add_async_iorequest(uint32 device, uint32 file, uint32 id, uint32 major, uint32 length, |
108 |
n-ki |
613 |
DEVICE_FNS * fns, uint32 total_timeout, uint32 interval_timeout, uint8 * buffer, |
109 |
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uint32 offset) |
110 |
n-ki |
569 |
{ |
111 |
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struct async_iorequest *iorq; |
112 |
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|
113 |
n-ki |
593 |
if (g_iorequest == NULL) |
114 |
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{ |
115 |
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g_iorequest = (struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
116 |
n-ki |
612 |
if (!g_iorequest) |
117 |
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return False; |
118 |
n-ki |
593 |
g_iorequest->fd = 0; |
119 |
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g_iorequest->next = NULL; |
120 |
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} |
121 |
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122 |
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iorq = g_iorequest; |
123 |
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|
124 |
n-ki |
592 |
while (iorq->fd != 0) |
125 |
n-ki |
569 |
{ |
126 |
n-ki |
592 |
// create new element if needed |
127 |
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if (iorq->next == NULL) |
128 |
n-ki |
569 |
{ |
129 |
n-ki |
592 |
iorq->next = |
130 |
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(struct async_iorequest *) xmalloc(sizeof(struct async_iorequest)); |
131 |
n-ki |
612 |
if (!iorq->next) |
132 |
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return False; |
133 |
n-ki |
593 |
iorq->next->fd = 0; |
134 |
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iorq->next->next = NULL; |
135 |
n-ki |
592 |
} |
136 |
n-ki |
593 |
iorq = iorq->next; |
137 |
n-ki |
569 |
} |
138 |
n-ki |
592 |
iorq->device = device; |
139 |
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iorq->fd = file; |
140 |
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iorq->id = id; |
141 |
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iorq->major = major; |
142 |
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iorq->length = length; |
143 |
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iorq->partial_len = 0; |
144 |
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iorq->fns = fns; |
145 |
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iorq->timeout = total_timeout; |
146 |
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iorq->itv_timeout = interval_timeout; |
147 |
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iorq->buffer = buffer; |
148 |
n-ki |
613 |
iorq->offset = offset; |
149 |
n-ki |
592 |
return True; |
150 |
n-ki |
569 |
} |
151 |
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|
152 |
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void |
153 |
matthewc |
432 |
rdpdr_send_connect(void) |
154 |
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{ |
155 |
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uint8 magic[4] = "rDCC"; |
156 |
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STREAM s; |
157 |
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|
158 |
|
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s = channel_init(rdpdr_channel, 12); |
159 |
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out_uint8a(s, magic, 4); |
160 |
astrand |
435 |
out_uint16_le(s, 1); /* unknown */ |
161 |
matthewc |
432 |
out_uint16_le(s, 5); |
162 |
astrand |
435 |
out_uint32_be(s, 0x815ed39d); /* IP address (use 127.0.0.1) 0x815ed39d */ |
163 |
matthewc |
432 |
s_mark_end(s); |
164 |
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channel_send(s, rdpdr_channel); |
165 |
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} |
166 |
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167 |
n-ki |
569 |
|
168 |
matthewc |
432 |
void |
169 |
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rdpdr_send_name(void) |
170 |
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{ |
171 |
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uint8 magic[4] = "rDNC"; |
172 |
forsberg |
646 |
if (NULL == g_rdpdr_clientname) { |
173 |
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g_rdpdr_clientname = hostname; |
174 |
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} |
175 |
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uint32 hostlen = (strlen(g_rdpdr_clientname) + 1) * 2; |
176 |
matthewc |
432 |
STREAM s; |
177 |
|
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|
178 |
astrand |
435 |
s = channel_init(rdpdr_channel, 16 + hostlen); |
179 |
matthewc |
432 |
out_uint8a(s, magic, 4); |
180 |
astrand |
435 |
out_uint16_le(s, 0x63); /* unknown */ |
181 |
matthewc |
432 |
out_uint16_le(s, 0x72); |
182 |
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out_uint32(s, 0); |
183 |
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out_uint32_le(s, hostlen); |
184 |
forsberg |
646 |
rdp_out_unistr(s, g_rdpdr_clientname, hostlen - 2); |
185 |
matthewc |
432 |
s_mark_end(s); |
186 |
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channel_send(s, rdpdr_channel); |
187 |
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} |
188 |
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|
189 |
n-ki |
569 |
/* Returns the size of the payload of the announce packet */ |
190 |
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int |
191 |
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announcedata_size() |
192 |
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{ |
193 |
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int size, i; |
194 |
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PRINTER *printerinfo; |
195 |
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|
196 |
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size = 8; //static announce size |
197 |
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size += g_num_devices * 0x14; |
198 |
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199 |
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for (i = 0; i < g_num_devices; i++) |
200 |
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{ |
201 |
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if (g_rdpdr_device[i].device_type == DEVICE_TYPE_PRINTER) |
202 |
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{ |
203 |
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printerinfo = (PRINTER *) g_rdpdr_device[i].pdevice_data; |
204 |
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printerinfo->bloblen = |
205 |
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printercache_load_blob(printerinfo->printer, &(printerinfo->blob)); |
206 |
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207 |
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size += 0x18; |
208 |
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size += 2 * strlen(printerinfo->driver) + 2; |
209 |
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size += 2 * strlen(printerinfo->printer) + 2; |
210 |
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size += printerinfo->bloblen; |
211 |
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} |
212 |
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} |
213 |
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214 |
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return size; |
215 |
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} |
216 |
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|
217 |
matthewc |
432 |
void |
218 |
|
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rdpdr_send_available(void) |
219 |
|
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{ |
220 |
n-ki |
569 |
|
221 |
matthewc |
432 |
uint8 magic[4] = "rDAD"; |
222 |
n-ki |
569 |
uint32 driverlen, printerlen, bloblen; |
223 |
|
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int i; |
224 |
matthewc |
432 |
STREAM s; |
225 |
n-ki |
569 |
PRINTER *printerinfo; |
226 |
matthewc |
432 |
|
227 |
n-ki |
569 |
s = channel_init(rdpdr_channel, announcedata_size()); |
228 |
matthewc |
432 |
out_uint8a(s, magic, 4); |
229 |
n-ki |
569 |
out_uint32_le(s, g_num_devices); |
230 |
matthewc |
432 |
|
231 |
n-ki |
569 |
for (i = 0; i < g_num_devices; i++) |
232 |
|
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{ |
233 |
|
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out_uint32_le(s, g_rdpdr_device[i].device_type); |
234 |
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out_uint32_le(s, i); /* RDP Device ID */ |
235 |
|
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out_uint8p(s, g_rdpdr_device[i].name, 8); |
236 |
|
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|
237 |
n-ki |
585 |
switch (g_rdpdr_device[i].device_type) |
238 |
n-ki |
569 |
{ |
239 |
n-ki |
585 |
case DEVICE_TYPE_PRINTER: |
240 |
|
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printerinfo = (PRINTER *) g_rdpdr_device[i].pdevice_data; |
241 |
n-ki |
569 |
|
242 |
n-ki |
585 |
driverlen = 2 * strlen(printerinfo->driver) + 2; |
243 |
|
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printerlen = 2 * strlen(printerinfo->printer) + 2; |
244 |
|
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bloblen = printerinfo->bloblen; |
245 |
n-ki |
569 |
|
246 |
n-ki |
585 |
out_uint32_le(s, 24 + driverlen + printerlen + bloblen); /* length of extra info */ |
247 |
|
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out_uint32_le(s, printerinfo->default_printer ? 2 : 0); |
248 |
|
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out_uint8s(s, 8); /* unknown */ |
249 |
|
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out_uint32_le(s, driverlen); |
250 |
|
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out_uint32_le(s, printerlen); |
251 |
|
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out_uint32_le(s, bloblen); |
252 |
|
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rdp_out_unistr(s, printerinfo->driver, driverlen - 2); |
253 |
|
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rdp_out_unistr(s, printerinfo->printer, printerlen - 2); |
254 |
|
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out_uint8a(s, printerinfo->blob, bloblen); |
255 |
n-ki |
569 |
|
256 |
n-ki |
598 |
if (printerinfo->blob) |
257 |
|
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xfree(printerinfo->blob); /* Blob is sent twice if reconnecting */ |
258 |
n-ki |
585 |
break; |
259 |
|
|
default: |
260 |
|
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out_uint32(s, 0); |
261 |
n-ki |
569 |
} |
262 |
|
|
} |
263 |
matthewc |
432 |
#if 0 |
264 |
astrand |
435 |
out_uint32_le(s, 0x20); /* Device type 0x20 - smart card */ |
265 |
matthewc |
432 |
out_uint32_le(s, 0); |
266 |
|
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out_uint8p(s, "SCARD", 5); |
267 |
|
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out_uint8s(s, 3); |
268 |
|
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out_uint32(s, 0); |
269 |
|
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#endif |
270 |
|
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|
271 |
|
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s_mark_end(s); |
272 |
|
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channel_send(s, rdpdr_channel); |
273 |
|
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} |
274 |
|
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|
275 |
|
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void |
276 |
astrand |
435 |
rdpdr_send_completion(uint32 device, uint32 id, uint32 status, uint32 result, uint8 * buffer, |
277 |
|
|
uint32 length) |
278 |
matthewc |
432 |
{ |
279 |
|
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uint8 magic[4] = "rDCI"; |
280 |
|
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STREAM s; |
281 |
|
|
|
282 |
|
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s = channel_init(rdpdr_channel, 20 + length); |
283 |
|
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out_uint8a(s, magic, 4); |
284 |
|
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out_uint32_le(s, device); |
285 |
|
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out_uint32_le(s, id); |
286 |
|
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out_uint32_le(s, status); |
287 |
|
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out_uint32_le(s, result); |
288 |
|
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out_uint8p(s, buffer, length); |
289 |
|
|
s_mark_end(s); |
290 |
n-ki |
569 |
/* JIF |
291 |
|
|
hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8); */ |
292 |
matthewc |
432 |
channel_send(s, rdpdr_channel); |
293 |
|
|
} |
294 |
|
|
|
295 |
|
|
static void |
296 |
|
|
rdpdr_process_irp(STREAM s) |
297 |
|
|
{ |
298 |
n-ki |
569 |
uint32 result = 0, |
299 |
|
|
length = 0, |
300 |
|
|
desired_access = 0, |
301 |
|
|
request, |
302 |
|
|
file, |
303 |
|
|
info_level, |
304 |
|
|
buffer_len, |
305 |
|
|
id, |
306 |
|
|
major, |
307 |
|
|
minor, |
308 |
|
|
device, |
309 |
|
|
offset, |
310 |
|
|
bytes_in, |
311 |
|
|
bytes_out, |
312 |
|
|
error_mode, |
313 |
|
|
share_mode, disposition, total_timeout, interval_timeout, flags_and_attributes = 0; |
314 |
|
|
|
315 |
|
|
char filename[256]; |
316 |
|
|
uint8 *buffer, *pst_buf; |
317 |
matthewc |
432 |
struct stream out; |
318 |
|
|
DEVICE_FNS *fns; |
319 |
n-ki |
569 |
BOOL rw_blocking = True; |
320 |
|
|
NTSTATUS status = STATUS_INVALID_DEVICE_REQUEST; |
321 |
matthewc |
432 |
|
322 |
|
|
in_uint32_le(s, device); |
323 |
|
|
in_uint32_le(s, file); |
324 |
|
|
in_uint32_le(s, id); |
325 |
|
|
in_uint32_le(s, major); |
326 |
|
|
in_uint32_le(s, minor); |
327 |
|
|
|
328 |
n-ki |
569 |
buffer_len = 0; |
329 |
|
|
buffer = (uint8 *) xmalloc(1024); |
330 |
|
|
buffer[0] = 0; |
331 |
matthewc |
432 |
|
332 |
n-ki |
569 |
switch (g_rdpdr_device[device].device_type) |
333 |
matthewc |
432 |
{ |
334 |
n-ki |
569 |
case DEVICE_TYPE_SERIAL: |
335 |
|
|
|
336 |
matthewc |
432 |
fns = &serial_fns; |
337 |
n-ki |
592 |
rw_blocking = False; |
338 |
n-ki |
569 |
break; |
339 |
|
|
|
340 |
|
|
case DEVICE_TYPE_PARALLEL: |
341 |
|
|
|
342 |
|
|
fns = ¶llel_fns; |
343 |
n-ki |
592 |
rw_blocking = False; |
344 |
n-ki |
569 |
break; |
345 |
|
|
|
346 |
|
|
case DEVICE_TYPE_PRINTER: |
347 |
|
|
|
348 |
matthewc |
432 |
fns = &printer_fns; |
349 |
n-ki |
569 |
break; |
350 |
|
|
|
351 |
|
|
case DEVICE_TYPE_DISK: |
352 |
|
|
|
353 |
n-ki |
593 |
fns = &disk_fns; |
354 |
n-ki |
595 |
rw_blocking = False; |
355 |
n-ki |
569 |
break; |
356 |
|
|
|
357 |
|
|
case DEVICE_TYPE_SCARD: |
358 |
matthewc |
432 |
default: |
359 |
n-ki |
569 |
|
360 |
matthewc |
432 |
error("IRP for bad device %ld\n", device); |
361 |
|
|
return; |
362 |
|
|
} |
363 |
|
|
|
364 |
|
|
switch (major) |
365 |
|
|
{ |
366 |
|
|
case IRP_MJ_CREATE: |
367 |
n-ki |
569 |
|
368 |
|
|
in_uint32_be(s, desired_access); |
369 |
|
|
in_uint8s(s, 0x08); // unknown |
370 |
|
|
in_uint32_le(s, error_mode); |
371 |
|
|
in_uint32_le(s, share_mode); |
372 |
|
|
in_uint32_le(s, disposition); |
373 |
|
|
in_uint32_le(s, flags_and_attributes); |
374 |
|
|
in_uint32_le(s, length); |
375 |
|
|
|
376 |
|
|
if (length && (length / 2) < 256) |
377 |
|
|
{ |
378 |
|
|
rdp_in_unistr(s, filename, length); |
379 |
|
|
convert_to_unix_filename(filename); |
380 |
|
|
} |
381 |
|
|
else |
382 |
|
|
{ |
383 |
|
|
filename[0] = 0; |
384 |
|
|
} |
385 |
|
|
|
386 |
|
|
if (!fns->create) |
387 |
|
|
{ |
388 |
|
|
status = STATUS_NOT_SUPPORTED; |
389 |
|
|
break; |
390 |
|
|
} |
391 |
|
|
|
392 |
|
|
status = fns->create(device, desired_access, share_mode, disposition, |
393 |
|
|
flags_and_attributes, filename, &result); |
394 |
|
|
buffer_len = 1; |
395 |
matthewc |
432 |
break; |
396 |
|
|
|
397 |
|
|
case IRP_MJ_CLOSE: |
398 |
n-ki |
569 |
if (!fns->close) |
399 |
|
|
{ |
400 |
|
|
status = STATUS_NOT_SUPPORTED; |
401 |
|
|
break; |
402 |
|
|
} |
403 |
|
|
|
404 |
|
|
status = fns->close(file); |
405 |
matthewc |
432 |
break; |
406 |
|
|
|
407 |
|
|
case IRP_MJ_READ: |
408 |
n-ki |
569 |
|
409 |
|
|
if (!fns->read) |
410 |
matthewc |
432 |
{ |
411 |
n-ki |
569 |
status = STATUS_NOT_SUPPORTED; |
412 |
|
|
break; |
413 |
|
|
} |
414 |
|
|
|
415 |
|
|
in_uint32_le(s, length); |
416 |
|
|
in_uint32_le(s, offset); |
417 |
|
|
#if WITH_DEBUG_RDP5 |
418 |
|
|
DEBUG(("RDPDR IRP Read (length: %d, offset: %d)\n", length, offset)); |
419 |
|
|
#endif |
420 |
n-ki |
627 |
if (!rdpdr_handle_ok(device, file)) |
421 |
|
|
{ |
422 |
|
|
status = STATUS_INVALID_HANDLE; |
423 |
|
|
break; |
424 |
|
|
} |
425 |
|
|
|
426 |
n-ki |
592 |
if (rw_blocking) // Complete read immediately |
427 |
|
|
{ |
428 |
n-ki |
569 |
buffer = (uint8 *) xrealloc((void *) buffer, length); |
429 |
n-ki |
612 |
if (!buffer) |
430 |
|
|
{ |
431 |
|
|
status = STATUS_CANCELLED; |
432 |
|
|
break; |
433 |
|
|
} |
434 |
n-ki |
569 |
status = fns->read(file, buffer, length, offset, &result); |
435 |
matthewc |
432 |
buffer_len = result; |
436 |
n-ki |
569 |
break; |
437 |
n-ki |
592 |
} |
438 |
n-ki |
569 |
|
439 |
|
|
// Add request to table |
440 |
|
|
pst_buf = (uint8 *) xmalloc(length); |
441 |
n-ki |
612 |
if (!pst_buf) |
442 |
|
|
{ |
443 |
|
|
status = STATUS_CANCELLED; |
444 |
|
|
break; |
445 |
|
|
} |
446 |
n-ki |
569 |
serial_get_timeout(file, length, &total_timeout, &interval_timeout); |
447 |
|
|
if (add_async_iorequest |
448 |
|
|
(device, file, id, major, length, fns, total_timeout, interval_timeout, |
449 |
n-ki |
613 |
pst_buf, offset)) |
450 |
n-ki |
569 |
{ |
451 |
|
|
status = STATUS_PENDING; |
452 |
|
|
break; |
453 |
|
|
} |
454 |
|
|
|
455 |
|
|
status = STATUS_CANCELLED; |
456 |
matthewc |
432 |
break; |
457 |
|
|
case IRP_MJ_WRITE: |
458 |
n-ki |
569 |
|
459 |
|
|
buffer_len = 1; |
460 |
|
|
|
461 |
|
|
if (!fns->write) |
462 |
|
|
{ |
463 |
|
|
status = STATUS_NOT_SUPPORTED; |
464 |
|
|
break; |
465 |
|
|
} |
466 |
|
|
|
467 |
|
|
in_uint32_le(s, length); |
468 |
|
|
in_uint32_le(s, offset); |
469 |
|
|
in_uint8s(s, 0x18); |
470 |
|
|
#if WITH_DEBUG_RDP5 |
471 |
|
|
DEBUG(("RDPDR IRP Write (length: %d)\n", result)); |
472 |
|
|
#endif |
473 |
n-ki |
627 |
if (!rdpdr_handle_ok(device, file)) |
474 |
|
|
{ |
475 |
|
|
status = STATUS_INVALID_HANDLE; |
476 |
|
|
break; |
477 |
|
|
} |
478 |
|
|
|
479 |
n-ki |
592 |
if (rw_blocking) // Complete immediately |
480 |
|
|
{ |
481 |
n-ki |
569 |
status = fns->write(file, s->p, length, offset, &result); |
482 |
|
|
break; |
483 |
n-ki |
592 |
} |
484 |
|
|
|
485 |
n-ki |
569 |
// Add to table |
486 |
|
|
pst_buf = (uint8 *) xmalloc(length); |
487 |
n-ki |
612 |
if (!pst_buf) |
488 |
|
|
{ |
489 |
|
|
status = STATUS_CANCELLED; |
490 |
|
|
break; |
491 |
|
|
} |
492 |
|
|
|
493 |
n-ki |
569 |
in_uint8a(s, pst_buf, length); |
494 |
|
|
|
495 |
|
|
if (add_async_iorequest |
496 |
n-ki |
613 |
(device, file, id, major, length, fns, 0, 0, pst_buf, offset)) |
497 |
n-ki |
569 |
{ |
498 |
|
|
status = STATUS_PENDING; |
499 |
|
|
break; |
500 |
|
|
} |
501 |
|
|
|
502 |
|
|
status = STATUS_CANCELLED; |
503 |
matthewc |
432 |
break; |
504 |
|
|
|
505 |
n-ki |
569 |
case IRP_MJ_QUERY_INFORMATION: |
506 |
|
|
|
507 |
|
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
508 |
|
|
{ |
509 |
|
|
status = STATUS_INVALID_HANDLE; |
510 |
|
|
break; |
511 |
|
|
} |
512 |
|
|
in_uint32_le(s, info_level); |
513 |
|
|
|
514 |
|
|
out.data = out.p = buffer; |
515 |
|
|
out.size = sizeof(buffer); |
516 |
|
|
status = disk_query_information(file, info_level, &out); |
517 |
|
|
result = buffer_len = out.p - out.data; |
518 |
|
|
|
519 |
|
|
break; |
520 |
|
|
|
521 |
|
|
case IRP_MJ_SET_INFORMATION: |
522 |
|
|
|
523 |
|
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
524 |
|
|
{ |
525 |
|
|
status = STATUS_INVALID_HANDLE; |
526 |
|
|
break; |
527 |
|
|
} |
528 |
|
|
|
529 |
|
|
in_uint32_le(s, info_level); |
530 |
|
|
|
531 |
|
|
out.data = out.p = buffer; |
532 |
|
|
out.size = sizeof(buffer); |
533 |
|
|
status = disk_set_information(file, info_level, s, &out); |
534 |
|
|
result = buffer_len = out.p - out.data; |
535 |
|
|
break; |
536 |
|
|
|
537 |
|
|
case IRP_MJ_QUERY_VOLUME_INFORMATION: |
538 |
|
|
|
539 |
|
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
540 |
|
|
{ |
541 |
|
|
status = STATUS_INVALID_HANDLE; |
542 |
|
|
break; |
543 |
|
|
} |
544 |
|
|
|
545 |
|
|
in_uint32_le(s, info_level); |
546 |
|
|
|
547 |
|
|
out.data = out.p = buffer; |
548 |
|
|
out.size = sizeof(buffer); |
549 |
|
|
status = disk_query_volume_information(file, info_level, &out); |
550 |
|
|
result = buffer_len = out.p - out.data; |
551 |
|
|
break; |
552 |
|
|
|
553 |
|
|
case IRP_MJ_DIRECTORY_CONTROL: |
554 |
|
|
|
555 |
|
|
if (g_rdpdr_device[device].device_type != DEVICE_TYPE_DISK) |
556 |
|
|
{ |
557 |
|
|
status = STATUS_INVALID_HANDLE; |
558 |
|
|
break; |
559 |
|
|
} |
560 |
|
|
|
561 |
|
|
switch (minor) |
562 |
|
|
{ |
563 |
|
|
case IRP_MN_QUERY_DIRECTORY: |
564 |
|
|
|
565 |
|
|
in_uint32_le(s, info_level); |
566 |
|
|
in_uint8s(s, 1); |
567 |
|
|
in_uint32_le(s, length); |
568 |
|
|
in_uint8s(s, 0x17); |
569 |
|
|
if (length && length < 2 * 255) |
570 |
|
|
{ |
571 |
|
|
rdp_in_unistr(s, filename, length); |
572 |
|
|
convert_to_unix_filename(filename); |
573 |
|
|
} |
574 |
|
|
else |
575 |
|
|
{ |
576 |
|
|
filename[0] = 0; |
577 |
|
|
} |
578 |
|
|
out.data = out.p = buffer; |
579 |
|
|
out.size = sizeof(buffer); |
580 |
|
|
status = disk_query_directory(file, info_level, filename, |
581 |
|
|
&out); |
582 |
|
|
result = buffer_len = out.p - out.data; |
583 |
|
|
if (!buffer_len) |
584 |
|
|
buffer_len++; |
585 |
|
|
break; |
586 |
|
|
|
587 |
|
|
case IRP_MN_NOTIFY_CHANGE_DIRECTORY: |
588 |
|
|
|
589 |
|
|
/* JIF |
590 |
|
|
unimpl("IRP major=0x%x minor=0x%x: IRP_MN_NOTIFY_CHANGE_DIRECTORY\n", major, minor); */ |
591 |
|
|
status = STATUS_PENDING; // Don't send completion packet |
592 |
|
|
break; |
593 |
|
|
|
594 |
|
|
default: |
595 |
|
|
|
596 |
|
|
status = STATUS_INVALID_PARAMETER; |
597 |
|
|
/* JIF |
598 |
|
|
unimpl("IRP major=0x%x minor=0x%x\n", major, minor); */ |
599 |
|
|
} |
600 |
|
|
break; |
601 |
|
|
|
602 |
matthewc |
432 |
case IRP_MJ_DEVICE_CONTROL: |
603 |
n-ki |
569 |
|
604 |
|
|
if (!fns->device_control) |
605 |
matthewc |
432 |
{ |
606 |
n-ki |
569 |
status = STATUS_NOT_SUPPORTED; |
607 |
|
|
break; |
608 |
matthewc |
432 |
} |
609 |
n-ki |
569 |
|
610 |
|
|
in_uint32_le(s, bytes_out); |
611 |
|
|
in_uint32_le(s, bytes_in); |
612 |
|
|
in_uint32_le(s, request); |
613 |
|
|
in_uint8s(s, 0x14); |
614 |
|
|
|
615 |
|
|
buffer = (uint8 *) xrealloc((void *) buffer, bytes_out + 0x14); |
616 |
n-ki |
612 |
if (!buffer) |
617 |
|
|
{ |
618 |
|
|
status = STATUS_CANCELLED; |
619 |
|
|
break; |
620 |
|
|
} |
621 |
|
|
|
622 |
n-ki |
569 |
out.data = out.p = buffer; |
623 |
|
|
out.size = sizeof(buffer); |
624 |
|
|
status = fns->device_control(file, request, s, &out); |
625 |
|
|
result = buffer_len = out.p - out.data; |
626 |
matthewc |
432 |
break; |
627 |
|
|
|
628 |
|
|
default: |
629 |
|
|
unimpl("IRP major=0x%x minor=0x%x\n", major, minor); |
630 |
|
|
break; |
631 |
|
|
} |
632 |
|
|
|
633 |
n-ki |
569 |
if (status != STATUS_PENDING) |
634 |
|
|
{ |
635 |
|
|
rdpdr_send_completion(device, id, status, result, buffer, buffer_len); |
636 |
|
|
} |
637 |
n-ki |
612 |
if (buffer) |
638 |
|
|
xfree(buffer); |
639 |
|
|
buffer = NULL; |
640 |
matthewc |
432 |
} |
641 |
|
|
|
642 |
n-ki |
569 |
void |
643 |
|
|
rdpdr_send_clientcapabilty(void) |
644 |
|
|
{ |
645 |
|
|
uint8 magic[4] = "rDPC"; |
646 |
|
|
STREAM s; |
647 |
|
|
|
648 |
|
|
s = channel_init(rdpdr_channel, 0x50); |
649 |
|
|
out_uint8a(s, magic, 4); |
650 |
|
|
out_uint32_le(s, 5); /* count */ |
651 |
|
|
out_uint16_le(s, 1); /* first */ |
652 |
|
|
out_uint16_le(s, 0x28); /* length */ |
653 |
|
|
out_uint32_le(s, 1); |
654 |
|
|
out_uint32_le(s, 2); |
655 |
|
|
out_uint16_le(s, 2); |
656 |
|
|
out_uint16_le(s, 5); |
657 |
|
|
out_uint16_le(s, 1); |
658 |
|
|
out_uint16_le(s, 5); |
659 |
|
|
out_uint16_le(s, 0xFFFF); |
660 |
|
|
out_uint16_le(s, 0); |
661 |
|
|
out_uint32_le(s, 0); |
662 |
|
|
out_uint32_le(s, 3); |
663 |
|
|
out_uint32_le(s, 0); |
664 |
|
|
out_uint32_le(s, 0); |
665 |
|
|
out_uint16_le(s, 2); /* second */ |
666 |
|
|
out_uint16_le(s, 8); /* length */ |
667 |
|
|
out_uint32_le(s, 1); |
668 |
|
|
out_uint16_le(s, 3); /* third */ |
669 |
|
|
out_uint16_le(s, 8); /* length */ |
670 |
|
|
out_uint32_le(s, 1); |
671 |
|
|
out_uint16_le(s, 4); /* fourth */ |
672 |
|
|
out_uint16_le(s, 8); /* length */ |
673 |
|
|
out_uint32_le(s, 1); |
674 |
|
|
out_uint16_le(s, 5); /* fifth */ |
675 |
|
|
out_uint16_le(s, 8); /* length */ |
676 |
|
|
out_uint32_le(s, 1); |
677 |
|
|
|
678 |
|
|
s_mark_end(s); |
679 |
|
|
channel_send(s, rdpdr_channel); |
680 |
|
|
} |
681 |
|
|
|
682 |
matthewc |
432 |
static void |
683 |
|
|
rdpdr_process(STREAM s) |
684 |
|
|
{ |
685 |
|
|
uint32 handle; |
686 |
matthewc |
536 |
uint8 *magic; |
687 |
matthewc |
432 |
|
688 |
n-ki |
569 |
#if WITH_DEBUG_RDP5 |
689 |
|
|
printf("--- rdpdr_process ---\n"); |
690 |
astrand |
435 |
hexdump(s->p, s->end - s->p); |
691 |
n-ki |
569 |
#endif |
692 |
matthewc |
432 |
in_uint8p(s, magic, 4); |
693 |
|
|
|
694 |
|
|
if ((magic[0] == 'r') && (magic[1] == 'D')) |
695 |
|
|
{ |
696 |
|
|
if ((magic[2] == 'R') && (magic[3] == 'I')) |
697 |
|
|
{ |
698 |
|
|
rdpdr_process_irp(s); |
699 |
|
|
return; |
700 |
|
|
} |
701 |
|
|
if ((magic[2] == 'n') && (magic[3] == 'I')) |
702 |
|
|
{ |
703 |
|
|
rdpdr_send_connect(); |
704 |
|
|
rdpdr_send_name(); |
705 |
|
|
return; |
706 |
|
|
} |
707 |
n-ki |
569 |
if ((magic[2] == 'C') && (magic[3] == 'C')) |
708 |
matthewc |
432 |
{ |
709 |
|
|
/* connect from server */ |
710 |
n-ki |
569 |
rdpdr_send_clientcapabilty(); |
711 |
|
|
rdpdr_send_available(); |
712 |
matthewc |
432 |
return; |
713 |
|
|
} |
714 |
n-ki |
569 |
if ((magic[2] == 'r') && (magic[3] == 'd')) |
715 |
matthewc |
432 |
{ |
716 |
|
|
/* connect to a specific resource */ |
717 |
|
|
in_uint32(s, handle); |
718 |
n-ki |
569 |
#if WITH_DEBUG_RDP5 |
719 |
|
|
DEBUG(("RDPDR: Server connected to resource %d\n", handle)); |
720 |
|
|
#endif |
721 |
matthewc |
432 |
return; |
722 |
|
|
} |
723 |
n-ki |
569 |
if ((magic[2] == 'P') && (magic[3] == 'S')) |
724 |
|
|
{ |
725 |
|
|
/* server capability */ |
726 |
|
|
return; |
727 |
|
|
} |
728 |
matthewc |
432 |
} |
729 |
n-ki |
569 |
if ((magic[0] == 'R') && (magic[1] == 'P')) |
730 |
|
|
{ |
731 |
|
|
if ((magic[2] == 'C') && (magic[3] == 'P')) |
732 |
|
|
{ |
733 |
|
|
printercache_process(s); |
734 |
|
|
return; |
735 |
|
|
} |
736 |
|
|
} |
737 |
matthewc |
432 |
unimpl("RDPDR packet type %c%c%c%c\n", magic[0], magic[1], magic[2], magic[3]); |
738 |
|
|
} |
739 |
|
|
|
740 |
|
|
BOOL |
741 |
n-ki |
569 |
rdpdr_init() |
742 |
matthewc |
432 |
{ |
743 |
n-ki |
569 |
if (g_num_devices > 0) |
744 |
|
|
{ |
745 |
astrand |
580 |
rdpdr_channel = |
746 |
|
|
channel_register("rdpdr", |
747 |
|
|
CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_COMPRESS_RDP, |
748 |
|
|
rdpdr_process); |
749 |
n-ki |
569 |
} |
750 |
|
|
|
751 |
matthewc |
432 |
return (rdpdr_channel != NULL); |
752 |
|
|
} |
753 |
n-ki |
569 |
|
754 |
|
|
/* Add file descriptors of pending io request to select() */ |
755 |
|
|
void |
756 |
|
|
rdpdr_add_fds(int *n, fd_set * rfds, fd_set * wfds, struct timeval *tv, BOOL * timeout) |
757 |
|
|
{ |
758 |
stargo |
607 |
uint32 select_timeout = 0; // Timeout value to be used for select() (in millisecons). |
759 |
n-ki |
569 |
struct async_iorequest *iorq; |
760 |
|
|
|
761 |
n-ki |
593 |
iorq = g_iorequest; |
762 |
n-ki |
592 |
while (iorq != NULL) |
763 |
n-ki |
569 |
{ |
764 |
n-ki |
592 |
if (iorq->fd != 0) |
765 |
n-ki |
569 |
{ |
766 |
|
|
switch (iorq->major) |
767 |
|
|
{ |
768 |
|
|
case IRP_MJ_READ: |
769 |
|
|
|
770 |
|
|
FD_SET(iorq->fd, rfds); |
771 |
|
|
|
772 |
|
|
// Check if io request timeout is smaller than current (but not 0). |
773 |
|
|
if (iorq->timeout |
774 |
|
|
&& (select_timeout == 0 |
775 |
|
|
|| iorq->timeout < select_timeout)) |
776 |
|
|
{ |
777 |
|
|
// Set new timeout |
778 |
|
|
select_timeout = iorq->timeout; |
779 |
|
|
g_min_timeout_fd = iorq->fd; /* Remember fd */ |
780 |
|
|
tv->tv_sec = select_timeout / 1000; |
781 |
|
|
tv->tv_usec = (select_timeout % 1000) * 1000; |
782 |
|
|
*timeout = True; |
783 |
|
|
} |
784 |
|
|
break; |
785 |
|
|
|
786 |
|
|
case IRP_MJ_WRITE: |
787 |
|
|
FD_SET(iorq->fd, wfds); |
788 |
|
|
break; |
789 |
|
|
|
790 |
|
|
} |
791 |
|
|
*n = MAX(*n, iorq->fd); |
792 |
|
|
} |
793 |
n-ki |
592 |
|
794 |
|
|
iorq = iorq->next; |
795 |
n-ki |
569 |
} |
796 |
|
|
} |
797 |
|
|
|
798 |
n-ki |
627 |
struct async_iorequest * |
799 |
|
|
rdpdr_remove_iorequest(struct async_iorequest *prev, struct async_iorequest *iorq) |
800 |
|
|
{ |
801 |
|
|
if (!iorq) |
802 |
|
|
return NULL; |
803 |
n-ki |
590 |
|
804 |
n-ki |
627 |
if (iorq->buffer) |
805 |
|
|
xfree(iorq->buffer); |
806 |
|
|
if (prev) |
807 |
|
|
{ |
808 |
|
|
prev->next = iorq->next; |
809 |
|
|
xfree(iorq); |
810 |
|
|
iorq = prev->next; |
811 |
|
|
} |
812 |
|
|
else |
813 |
|
|
{ |
814 |
|
|
// Even if NULL |
815 |
|
|
g_iorequest = iorq->next; |
816 |
|
|
xfree(iorq); |
817 |
|
|
iorq = NULL; |
818 |
|
|
} |
819 |
|
|
return iorq; |
820 |
|
|
} |
821 |
|
|
|
822 |
n-ki |
569 |
/* Check if select() returned with one of the rdpdr file descriptors, and complete io if it did */ |
823 |
|
|
void |
824 |
|
|
rdpdr_check_fds(fd_set * rfds, fd_set * wfds, BOOL timed_out) |
825 |
|
|
{ |
826 |
|
|
NTSTATUS status; |
827 |
n-ki |
592 |
uint32 result = 0; |
828 |
n-ki |
569 |
DEVICE_FNS *fns; |
829 |
|
|
struct async_iorequest *iorq; |
830 |
n-ki |
592 |
struct async_iorequest *prev; |
831 |
n-ki |
595 |
uint32 req_size = 0; |
832 |
n-ki |
569 |
|
833 |
|
|
if (timed_out) |
834 |
|
|
{ |
835 |
|
|
rdpdr_abort_io(g_min_timeout_fd, 0, STATUS_TIMEOUT); |
836 |
|
|
return; |
837 |
|
|
} |
838 |
|
|
|
839 |
n-ki |
593 |
iorq = g_iorequest; |
840 |
n-ki |
592 |
prev = NULL; |
841 |
|
|
while (iorq != NULL) |
842 |
n-ki |
569 |
{ |
843 |
|
|
if (iorq->fd != 0) |
844 |
|
|
{ |
845 |
|
|
switch (iorq->major) |
846 |
|
|
{ |
847 |
|
|
case IRP_MJ_READ: |
848 |
|
|
if (FD_ISSET(iorq->fd, rfds)) |
849 |
|
|
{ |
850 |
n-ki |
592 |
/* Read the data */ |
851 |
n-ki |
569 |
fns = iorq->fns; |
852 |
n-ki |
593 |
|
853 |
n-ki |
595 |
req_size = |
854 |
|
|
(iorq->length - iorq->partial_len) > |
855 |
|
|
8192 ? 8192 : (iorq->length - |
856 |
|
|
iorq->partial_len); |
857 |
n-ki |
593 |
/* never read larger chunks than 8k - chances are that it will block */ |
858 |
n-ki |
592 |
status = fns->read(iorq->fd, |
859 |
|
|
iorq->buffer + iorq->partial_len, |
860 |
n-ki |
613 |
req_size, iorq->offset, &result); |
861 |
n-ki |
595 |
|
862 |
n-ki |
627 |
if (result > 0) |
863 |
|
|
{ |
864 |
|
|
iorq->partial_len += result; |
865 |
|
|
iorq->offset += result; |
866 |
|
|
} |
867 |
n-ki |
569 |
#if WITH_DEBUG_RDP5 |
868 |
|
|
DEBUG(("RDPDR: %d bytes of data read\n", result)); |
869 |
|
|
#endif |
870 |
n-ki |
592 |
/* only delete link if all data has been transfered */ |
871 |
n-ki |
595 |
/* or if result was 0 and status success - EOF */ |
872 |
|
|
if ((iorq->partial_len == iorq->length) || |
873 |
|
|
(result == 0)) |
874 |
n-ki |
592 |
{ |
875 |
n-ki |
595 |
#if WITH_DEBUG_RDP5 |
876 |
|
|
DEBUG(("RDPDR: AIO total %u bytes read of %u\n", iorq->partial_len, iorq->length)); |
877 |
|
|
#endif |
878 |
n-ki |
592 |
rdpdr_send_completion(iorq->device, |
879 |
|
|
iorq->id, status, |
880 |
n-ki |
595 |
iorq->partial_len, |
881 |
|
|
iorq->buffer, |
882 |
|
|
iorq->partial_len); |
883 |
n-ki |
627 |
iorq = rdpdr_remove_iorequest(prev, iorq); |
884 |
n-ki |
592 |
} |
885 |
n-ki |
569 |
} |
886 |
|
|
break; |
887 |
|
|
case IRP_MJ_WRITE: |
888 |
|
|
if (FD_ISSET(iorq->fd, wfds)) |
889 |
|
|
{ |
890 |
n-ki |
592 |
/* Write data. */ |
891 |
n-ki |
569 |
fns = iorq->fns; |
892 |
n-ki |
593 |
|
893 |
n-ki |
595 |
req_size = |
894 |
|
|
(iorq->length - iorq->partial_len) > |
895 |
|
|
8192 ? 8192 : (iorq->length - |
896 |
|
|
iorq->partial_len); |
897 |
|
|
|
898 |
n-ki |
593 |
/* never write larger chunks than 8k - chances are that it will block */ |
899 |
n-ki |
592 |
status = fns->write(iorq->fd, |
900 |
|
|
iorq->buffer + |
901 |
n-ki |
613 |
iorq->partial_len, req_size, |
902 |
|
|
iorq->offset, &result); |
903 |
n-ki |
627 |
|
904 |
|
|
if (result > 0) |
905 |
|
|
{ |
906 |
|
|
iorq->partial_len += result; |
907 |
|
|
iorq->offset += result; |
908 |
|
|
} |
909 |
|
|
|
910 |
n-ki |
592 |
#if WITH_DEBUG_RDP5 |
911 |
|
|
DEBUG(("RDPDR: %d bytes of data written\n", |
912 |
|
|
result)); |
913 |
|
|
#endif |
914 |
|
|
/* only delete link if all data has been transfered */ |
915 |
n-ki |
595 |
/* or we couldn't write */ |
916 |
|
|
if ((iorq->partial_len == iorq->length) |
917 |
|
|
|| (result == 0)) |
918 |
n-ki |
592 |
{ |
919 |
n-ki |
595 |
#if WITH_DEBUG_RDP5 |
920 |
|
|
DEBUG(("RDPDR: AIO total %u bytes written of %u\n", iorq->partial_len, iorq->length)); |
921 |
|
|
#endif |
922 |
n-ki |
592 |
rdpdr_send_completion(iorq->device, |
923 |
|
|
iorq->id, status, |
924 |
astrand |
608 |
iorq->partial_len, |
925 |
|
|
(uint8 *) "", 1); |
926 |
n-ki |
569 |
|
927 |
n-ki |
627 |
iorq = rdpdr_remove_iorequest(prev, iorq); |
928 |
n-ki |
592 |
} |
929 |
n-ki |
569 |
} |
930 |
|
|
break; |
931 |
|
|
} |
932 |
n-ki |
592 |
|
933 |
n-ki |
569 |
} |
934 |
n-ki |
592 |
prev = iorq; |
935 |
n-ki |
614 |
if (iorq) |
936 |
|
|
iorq = iorq->next; |
937 |
n-ki |
569 |
} |
938 |
n-ki |
592 |
|
939 |
n-ki |
569 |
} |
940 |
|
|
|
941 |
|
|
/* Abort a pending io request for a given handle and major */ |
942 |
|
|
BOOL |
943 |
|
|
rdpdr_abort_io(uint32 fd, uint32 major, NTSTATUS status) |
944 |
|
|
{ |
945 |
|
|
uint32 result; |
946 |
|
|
struct async_iorequest *iorq; |
947 |
n-ki |
592 |
struct async_iorequest *prev; |
948 |
n-ki |
569 |
|
949 |
stargo |
602 |
iorq = g_iorequest; |
950 |
n-ki |
592 |
prev = NULL; |
951 |
|
|
while (iorq != NULL) |
952 |
n-ki |
569 |
{ |
953 |
|
|
// Only remove from table when major is not set, or when correct major is supplied. |
954 |
|
|
// Abort read should not abort a write io request. |
955 |
|
|
if ((iorq->fd == fd) && (major == 0 || iorq->major == major)) |
956 |
|
|
{ |
957 |
|
|
result = 0; |
958 |
astrand |
608 |
rdpdr_send_completion(iorq->device, iorq->id, status, result, (uint8 *) "", |
959 |
|
|
1); |
960 |
n-ki |
627 |
|
961 |
|
|
iorq = rdpdr_remove_iorequest(prev, iorq); |
962 |
n-ki |
569 |
return True; |
963 |
|
|
} |
964 |
n-ki |
592 |
|
965 |
|
|
prev = iorq; |
966 |
|
|
iorq = iorq->next; |
967 |
n-ki |
569 |
} |
968 |
n-ki |
592 |
|
969 |
n-ki |
569 |
return False; |
970 |
|
|
} |