git-svn-id: http://svn.ipfire.org/svn/ipfire/IPFire/source@16 ea5c0bd1-69bd-2848...

[ipfire-2.x.git] / src / install+setup / install / usb.c

/*\r
 * This file is part of the IPCop Firewall.\r
 *\r
 * IPCop is free software; you can redistribute it and/or modify\r
 * it under the terms of the GNU General Public License as published by\r
 * the Free Software Foundation; either version 2 of the License, or\r
 * (at your option) any later version.\r
 *\r
 * IPCop is distributed in the hope that it will be useful,\r
 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
 * GNU General Public License for more details.\r
 *\r
 * You should have received a copy of the GNU General Public License\r
 * along with IPCop; if not, write to the Free Software\r
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA\r
 *\r
 * Copyright 2002: Mark Wormgoor <mark@wormgoor.com>\r
 * \r
 * $Id: usb.c,v 1.9.2.8 2005/12/10 00:18:23 franck78 Exp $\r
 * \r
 */\r
\r
#include "install.h"\r
\r
int usbuhci = 0;\r
int usbohci = 0;\r
int ehcihcd = 0;\r
\r
int initialize_usb() {\r
    modprobe("sd_mod");\r
    modprobe("sr_mod");\r
    modprobe("usb-storage");\r
\r
    if (ehcihcd) {\r
    	rmmod("ehci-hcd");\r
    	ehcihcd = 0;\r
    }\r
    if (usbohci) {\r
    	rmmod("usb-ohci");\r
    	usbohci = 0;\r
    }\r
    if (usbuhci) {\r
    	rmmod("usb-uhci");\r
    	usbuhci = 0;\r
    }\r
\r
    if (modprobe("ehci-hcd") == 0) ehcihcd = 1;\r
    if (modprobe("usb-ohci") == 0) usbohci = 1;\r
    if (modprobe("usb-uhci") == 0) usbuhci = 1;\r
\r
    modprobe("hid");\r
    modprobe("keybdev");\r
    return 0;\r
}\r
\r
int write_usb_modules_conf() {\r
    int index = 0;\r
    FILE *handle;\r
\r
    if (!(handle = fopen("/harddisk/etc/modules.conf", "a")))\r
    	return 0;\r
\r
#if 0 /* we don't do this yet, because one of the drivers has a problem \r
       * with it */\r
    if (ehcihcd) {\r
	fprintf(handle,"alias usb-controller");\r
	if (index)\r
		fprintf(handle,"%d",index);\r
	fprintf(handle," ehci-hcd\n");\r
	index++;\r
    }\r
#endif\r
\r
    if (usbohci) {\r
	fprintf(handle,"alias usb-controller");\r
	if (index)\r
		fprintf(handle,"%d",index);\r
	fprintf(handle," usb-ohci\n");\r
	index++;\r
    }\r
\r
    if (usbuhci) {\r
	fprintf(handle,"alias usb-controller");\r
	if (index)\r
		fprintf(handle,"%d",index);\r
	fprintf(handle," usb-uhci\n");\r
	index++;\r
    }\r
    fclose(handle);\r
    \r
    return 0;\r
}\r
\r
/* checkusb().\r
    Scans the named partitions and returns true if USB-removable.\r
    a bug? in "cat /proc/partitions" with superfloppy scheme device\r
    make them appearing always with four 'false' partitions:\r
    sda and sda1 sda2 sda3 sda4.\r
    No easy way to decide if /dev/sda1 exists or not.\r
*/\r
int checkusb(char *partition)\r
{\r
	FILE *f = NULL;\r
	char filename[STRING_SIZE];\r
	char buffer[STRING_SIZE];\r
	char *pchar = &buffer[0];\r
	if (!(f = fopen("/proc/partitions", "r")))\r
		return 0;\r
\r
	short int major = 0, minor = 0;			\r
	while (fgets(buffer, STRING_SIZE, f))	{\r
	    /* look for partition*/	\r
	    if (strstr (buffer, partition)) {\r
		major = atoi (buffer);\r
		if (major != 8) break ; /* not scsi */\r
		//get minor\r
		while (*pchar != '8') pchar++;\r
		minor = atoi (++pchar);\r
		break;\r
	    }\r
	}\r
	fclose(f);\r
	if (major != 8) return 0; /* nothing found */\r
	\r
	//now check for usb-storage-MINOR\r
	minor >>= 4; // get index from minor\r
	sprintf (filename, "/proc/scsi/usb-storage-%d/%d", minor,minor);\r
\r
	if (!(f = fopen(filename, "r")))\r
		return 0;\r
	int count = 0;\r
	while (fgets(buffer, STRING_SIZE, f))	{\r
	    if (strstr(buffer,"usb-storage")) count++;\r
	    if (strstr(buffer,"SCSI")) count++;\r
	    if (strstr(buffer,"Attached: Yes")) count++;\r
	}\r
	fclose(f);\r
	\r
	return (count==3 ? 1 : 0);\r
}\r