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/* -*- 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);
}
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