/*  -*- 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 RD_BOOLhandle_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(&current_device, 0, sizeof(current_device));	}	else	{		warning("lspci: Unrecoqnized line '%s'\n", line);	}	return True;}/* Process one line of input from virtual channel */static RD_BOOLlspci_process_line(const char *line, void *data){	char *lspci_command[5] = { "lspci", "-m", "-n", "-v", NULL };	if (!strcmp(line, "LSPCI"))	{		memset(&current_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 voidlspci_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 */RD_BOOLlspci_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 voidlspci_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);}