1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/* -*- c-basic-offset: 8 -*-
+ rdesktop: A Remote Desktop Protocol client.
+ Support for the Matrox "lspci" channel
+ Copyright (C) 2005 Matrox Graphics Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
#include "rdesktop.h"
#include <sys/types.h>
#include <unistd.h>
static VCHANNEL *lspci_channel;
typedef struct _pci_device
{
uint16 klass;
uint16 vendor;
uint16 device;
uint16 subvendor;
uint16 subdevice;
uint8 revision;
uint8 progif;
} pci_device;
static pci_device current_device;
static void lspci_send(const char *output);
/* Handle one line of output from the lspci subprocess */
static BOOL
handle_child_line(const char *line, void *data)
{
const char *val;
char buf[1024];
if (str_startswith(line, "Class:"))
{
val = line + sizeof("Class:");
/* Skip whitespace and second Class: occurance */
val += strspn(val, " \t") + sizeof("Class");
current_device.klass = strtol(val, NULL, 16);
}
else if (str_startswith(line, "Vendor:"))
{
val = line + sizeof("Vendor:");
current_device.vendor = strtol(val, NULL, 16);
}
else if (str_startswith(line, "Device:"))
{
val = line + sizeof("Device:");
/* Sigh, there are *two* lines tagged as Device:. We
are not interested in the domain/bus/slot/func */
if (!strchr(val, ':'))
current_device.device = strtol(val, NULL, 16);
}
else if (str_startswith(line, "SVendor:"))
{
val = line + sizeof("SVendor:");
current_device.subvendor = strtol(val, NULL, 16);
}
else if (str_startswith(line, "SDevice:"))
{
val = line + sizeof("SDevice:");
current_device.subdevice = strtol(val, NULL, 16);
}
else if (str_startswith(line, "Rev:"))
{
val = line + sizeof("Rev:");
current_device.revision = strtol(val, NULL, 16);
}
else if (str_startswith(line, "ProgIf:"))
{
val = line + sizeof("ProgIf:");
current_device.progif = strtol(val, NULL, 16);
}
else if (strspn(line, " \t") == strlen(line))
{
/* Blank line. Send collected information over channel */
snprintf(buf, sizeof(buf), "%04x,%04x,%04x,%04x,%04x,%02x,%02x\n",
current_device.klass, current_device.vendor,
current_device.device, current_device.subvendor,
current_device.subdevice, current_device.revision, current_device.progif);
lspci_send(buf);
memset(¤t_device, 0, sizeof(current_device));
}
else
{
warning("lspci: Unrecoqnized line '%s'\n", line);
}
return True;
}
/* Process one line of input from virtual channel */
static BOOL
lspci_process_line(const char *line, void *data)
{
char *lspci_command[5] = { "lspci", "-m", "-n", "-v", NULL };
if (!strcmp(line, "LSPCI"))
{
memset(¤t_device, 0, sizeof(current_device));
subprocess(lspci_command, handle_child_line, NULL);
/* Send single dot to indicate end of enumeration */
lspci_send(".\n");
}
else
{
error("lspci protocol error: Invalid line '%s'\n", line);
}
return True;
}
/* Process new data from the virtual channel */
static void
lspci_process(STREAM s)
{
unsigned int pkglen;
static char *rest = NULL;
char *buf;
pkglen = s->end - s->p;
/* str_handle_lines requires null terminated strings */
buf = xmalloc(pkglen + 1);
STRNCPY(buf, (char *) s->p, pkglen + 1);
#if 0
printf("lspci recv:\n");
hexdump(s->p, pkglen);
#endif
str_handle_lines(buf, &rest, lspci_process_line, NULL);
xfree(buf);
}
/* Initialize this module: Register the lspci channel */
BOOL
lspci_init(void)
{
lspci_channel =
channel_register("lspci", CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_ENCRYPT_RDP,
lspci_process);
return (lspci_channel != NULL);
}
/* Send data to channel */
static void
lspci_send(const char *output)
{
STREAM s;
size_t len;
len = strlen(output);
s = channel_init(lspci_channel, len);
out_uint8p(s, output, len) s_mark_end(s);
#if 0
printf("lspci send:\n");
hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8);
#endif
channel_send(s, lspci_channel);
}
|