2 Buildfixes

[people/pmueller/ipfire-2.x.git] / src / install+setup / install / main.c

/* SmoothWall install program.
 *
 * This program is distributed under the terms of the GNU General Public
 * Licence.  See the file COPYING for details.
 *
 * (c) Lawrence Manning, 2001
 * Contains main entry point, and misc functions.
 * 
 */

#include "install.h"
#define _GNU_SOURCE
 
#define CDROM_INSTALL 0
#define URL_INSTALL 1
#define DISK_INSTALL 2
#define INST_FILECOUNT 7000
#define UNATTENDED_CONF "/cdrom/boot/unattended.conf"

int raid_disk = 0;
FILE *flog = NULL;
char *mylog;

char **ctr;

extern char url[STRING_SIZE];

struct  nic  nics[20] = { { "" , "" } }; // only defined for compile
struct knic knics[20] = { { "" , "" , "" } }; // only defined for compile

extern char *en_tr[];
extern char *de_tr[];

int detect_smp() {
	FILE *fd = NULL;
	char line[STRING_SIZE];
	int cpu_count = 0;

	if ((fd = fopen("/proc/cpuinfo", "r")) == NULL) {
		return 0;
	}
	while (fgets(line, STRING_SIZE, fd) != NULL) {
		if (strstr(line, "processor") == line) {
			cpu_count++;
		}
	}
	(void)fclose(fd);
	return (cpu_count > 1);
}

long calc_swapsize(long memory, long disk) {
	if (memory < 128) {
		return 256;
	}
	if (memory > 1024) {
		return 512;
	}

	return memory*2;
}

int main(int argc, char *argv[])
{
	char *langnames[] = { "Deutsch", "English", NULL };
	char *shortlangnames[] = { "de", "en", NULL };
	char **langtrs[] = { de_tr, en_tr, NULL };
	char hdletter;
	char harddrive[5], sourcedrive[5];	/* Device holder. */
	struct devparams hdparams, cdromparams; /* Params for CDROM and HD */
	int cdmounted = 0; /* Loop flag for inserting a cd. */
	int rc = 0;
	char commandstring[STRING_SIZE];
	char *installtypes[] = { "CDROM/USB", "HTTP/FTP", NULL };
	int installtype = CDROM_INSTALL;
	int choice;
	int i;
	int found = 0;
	int firstrun = 0;
	char shortlangname[10];
	char message[1000];
	char title[STRING_SIZE];
	int allok = 0;
	int allok_fastexit=0;
	struct keyvalue *ethernetkv = initkeyvalues();
	FILE *handle, *cmdfile;
	char line[STRING_SIZE];
	char string[STRING_SIZE];
	long maximum_free = 0, current_free;
	long memory = 0;
	long system_partition, boot_partition, root_partition, swap_file;
	int scsi_disk = 0;
	char *yesnoharddisk[3];	//	char *yesnoharddisk = { "NO", "YES", NULL };
		
	int unattended = 0;
	struct keyvalue *unattendedkv = initkeyvalues();
	int hardyn = 0;

	setlocale (LC_ALL, "");
	sethostname( SNAME , 10);

	memset(&hdparams, 0, sizeof(struct devparams));
	memset(&cdromparams, 0, sizeof(struct devparams));

	/* Log file/terminal stuff. */
	if (argc >= 2)
	{		
		if (!(flog = fopen(argv[1], "w+")))
			return 0;
	}
	else
		return 0;
	
	mylog = argv[1];
	
	fprintf(flog, "Install program started.\n");
		
	newtInit();
	newtCls();

	/* Do usb detection first for usb keyboard */
	if (! (cmdfile = fopen("/proc/cmdline", "r")))
	{
		fprintf(flog, "Couldn't open commandline: /proc/cmdline\n");
	} else {
		fgets(line, STRING_SIZE, cmdfile);
		if (strstr (line, "noide") == NULL) {
			fprintf(flog, "Initializing IDE controllers.\n");
			initialize_ide();
		} else {
			fprintf(flog, "Skipping IDE detection.\n");
		}
		if (strstr (line, "nousb") == NULL) {
			fprintf(flog, "Initializing USB controllers.\n");
			initialize_usb();
		} else {
			fprintf(flog, "Skipping USB detection.\n");
		}
		// check if we have to make an unattended install
		if (strstr (line, "unattended") != NULL) {
		    unattended = 1;
		}
		// Loading the cdrom-filesystem
		mysystem("/sbin/modprobe iso9660");
	}

	if (unattended) {
	    runcommandwithstatus("/bin/sleep 10", "WARNING: Unattended installation will start in 10 seconds...");
 	}
	
	/* German is the default */
	for (choice = 0; langnames[choice]; choice++)
	{
		if (strcmp(langnames[choice], "Deutsch") == 0)
			break;
	}
	if (!langnames[choice])
		goto EXIT;

	if (!unattended) {
	    rc = newtWinMenu("Language selection",
		    "Select the language you wish to use for the " NAME ".", 50, 5, 5, 8,
		    langnames, &choice, "Ok", NULL);
	}

	ctr = langtrs[choice];
	strcpy(shortlangname, shortlangnames[choice]);
	fprintf(flog, "Selected language: %s\n", shortlangname);

	newtDrawRootText(14, 0, NAME " " VERSION " - " SLOGAN );
	newtPushHelpLine(ctr[TR_HELPLINE]);
	sprintf (title, "%s %s - %s", NAME, VERSION, SLOGAN);

	if (!unattended) {
		sprintf(message, ctr[TR_WELCOME], NAME);
		newtWinMessage(title, ctr[TR_OK], message);

		sprintf(message, ctr[TR_SELECT_INSTALLATION_MEDIA_LONG], NAME);
		rc = newtWinMenu(ctr[TR_SELECT_INSTALLATION_MEDIA], message,
			50, 5, 5, 6, installtypes, &installtype, ctr[TR_OK],
			ctr[TR_CANCEL], NULL);
	} else {
	    rc = 1;
	    installtype = CDROM_INSTALL;
	}

	if (rc == 2)
		goto EXIT;

	// Starting hardware detection
	runcommandwithstatus("/bin/probehw.sh", ctr[TR_PROBING_HARDWARE]);
	runcommandwithstatus("/bin/probenic.sh install", ctr[TR_PROBING_HARDWARE]);

	/* CDROM INSTALL */
	if (installtype == CDROM_INSTALL) {
		switch (mysystem("/bin/mountsource.sh")) {
		    case 0:
			installtype = CDROM_INSTALL;
			cdmounted = 1;
			break;
		    case 1:
			installtype = DISK_INSTALL;
			break;
		    case 10:
	        	errorbox(ctr[TR_NO_CDROM]);
			goto EXIT;
		}

		/* read source drive letter */
		if ((handle = fopen("/tmp/source_device", "r")) == NULL) {
			errorbox(ctr[TR_ERROR_PROBING_CDROM]);
			goto EXIT;
		}
		fgets(sourcedrive, 5, handle);
		fprintf(flog, "Source drive: %s\n", sourcedrive);
		fclose(handle);
	}

 	/* Configure the network now! */
	if (installtype == URL_INSTALL) {
		/* Network driver and params. */
		if (!(networkmenu(ethernetkv))) {
			errorbox(ctr[TR_NETWORK_SETUP_FAILED]);
			goto EXIT;
		}

		/* Check for ipfire-<VERSION>.tbz2 */
		if (checktarball(SNAME "-" VERSION ".tbz2", ctr[TR_ENTER_URL])) {
			errorbox(ctr[TR_NO_IPCOP_TARBALL_FOUND]);
			goto EXIT;
		}
	}
	
	i = 0;
	while (found == 0) {
		i++;
		fprintf(flog, "Harddisk scan pass %i\n", i);

		rc = mysystem("/bin/mountdest.sh");
		fprintf(flog, "RC %d\n", rc);
		
		if (rc == 0) { // Found IDE disk
			scsi_disk = 0;
			found = 1;
		} else if (rc == 1) { // Found SCSI/USB/SATA disk
			scsi_disk = 1;
			found = 1;
		} else { // No harddisk found
			if (firstrun == 1) {
				errorbox(ctr[TR_NO_HARDDISK]);
				goto EXIT;
			}
			// Do this if the kudzu-scan fails...
			runcommandwithstatus("/bin/probehw.sh deep-scan", ctr[TR_PROBING_HARDWARE]);
			firstrun = 1;
		}

/*		switch (mysystem("/bin/mountdest.sh")) {
			case 0: // Found IDE disk
				scsi_disk = 0;
				found = 1;
				break;
			case 1: // Found SCSI disk
				scsi_disk = 1;
				found = 1;
				break;
			case 10: // No harddisk found
				if (firstrun == 1) {
					errorbox(ctr[TR_NO_HARDDISK]);
					goto EXIT;
				}
				// Do this if the kudzu-scan fails...
				runcommandwithstatus("/bin/probehw.sh deep-scan", ctr[TR_PROBING_HARDWARE]);
				firstrun = 1;
		} */
	}

	/*
	// Need to clean this up at some point
	// scsi disk is sdb/sdc when sda/sdb is used for usb-key
	// if scsi-disk is sdd or more, it is not discovered
	// Support only 2 usb keys, none could be unplugged
	if (checkusb("sdb") && try_scsi("sdc")) {
		scsi_disk = 1;
		sprintf(harddrive, "sdc");
		goto FOUND_DESTINATION;
	}
	if (checkusb("sda") && try_scsi("sdb")) {
		scsi_disk = 1;
		sprintf(harddrive, "sdb");
		goto FOUND_DESTINATION;
	}
	if (try_scsi("sda")) {
		scsi_disk = 1;
		sprintf(harddrive, "sda");
		goto FOUND_DESTINATION;
	}
	if (try_scsi("ida/c0d0")) {
		raid_disk = 1;
		sprintf(harddrive, "ida/c0d0");
		goto FOUND_DESTINATION;
	}
	if (try_scsi("cciss/c0d0")) {
		raid_disk = 1;
		sprintf(harddrive, "cciss/c0d0");
		goto FOUND_DESTINATION;
	}
	if (try_scsi("rd/c0d0")) {
		raid_disk = 1;
		sprintf(harddrive, "rd/c0d0");
		goto FOUND_DESTINATION;
	}
	if (try_scsi("ataraid/d0")) {
		raid_disk = 1;
		sprintf(harddrive, "ataraid/d0");
		goto FOUND_DESTINATION;
	} */

	FOUND_DESTINATION:
	if ((handle = fopen("/tmp/dest_device", "r")) == NULL) {
		errorbox(ctr[TR_NO_HARDDISK]);
		goto EXIT;
	}
	fgets(harddrive, 5, handle);
	fclose(handle);
			
	/* load unattended configuration */
	if (unattended) {
	    fprintf(flog, "unattended: Reading unattended.conf\n");

	    (void) readkeyvalues(unattendedkv, UNATTENDED_CONF);
	}
	
	/* Make the hdparms struct and print the contents.
	   With USB-KEY install and SCSI disk, while installing, the disk
	   is named 'sdb,sdc,...' (following keys)
	   On reboot, it will become 'sda'
	   To avoid many test, all names are built in the struct.
	*/
	sprintf(hdparams.devnode_disk, "/dev/%s", harddrive);
	/* Address the partition or raid partition (eg dev/sda or /dev/sdap1 */
	sprintf(hdparams.devnode_part, "/dev/%s%s", harddrive,raid_disk ? "p" : "");
	/* Now the names after the machine is booted. Only scsi is affected
	   and we only install on the first scsi disk. */
	{	char tmp[30];
		strcpy(tmp, scsi_disk ? "sda" : harddrive);
		sprintf(hdparams.devnode_disk_run, "/dev/%s", tmp);
		sprintf(hdparams.devnode_part_run, "/dev/%s%s", tmp, raid_disk ? "p" : "");
	}

	fprintf(flog, "Destination drive: %s\n", hdparams.devnode_disk);
	
	sprintf(message, ctr[TR_PREPARE_HARDDISK], hdparams.devnode_disk);
	if (unattended) {
	    hardyn = 1;
	}

	yesnoharddisk[0] = ctr[TR_NO];
	yesnoharddisk[1] = ctr[TR_YES];
	yesnoharddisk[2] = NULL;

	while (! hardyn) {
		rc = newtWinMenu(title, message,
				 50, 5, 5, 6, yesnoharddisk,
				 &hardyn, ctr[TR_OK],
				 ctr[TR_CANCEL], NULL);
		if (rc == 2)
			goto EXIT;
	}
	if (rc == 2)
		goto EXIT;

	/* Calculate amount of memory in machine */
        if ((handle = fopen("/proc/meminfo", "r")))
        {
            while (fgets(line, STRING_SIZE-1, handle)) {
                if (sscanf (line, "MemTotal: %s kB", string)) {
                    memory = atoi(string) / 1024 ;
                }
            }
            fclose(handle);
        }

	/* Partition, mkswp, mkfs.
	 * before partitioning, first determine the sizes of each
	 * partition.  In order to do that we need to know the size of
	 * the disk. 
	 */
	/* Don't use mysystem here so we can redirect output */
	sprintf(commandstring, "/bin/sfdisk -s /dev/%s > /tmp/disksize 2> /dev/null", harddrive);
	system(commandstring);

	/* Calculate amount of disk space */
        if ((handle = fopen("/tmp/disksize", "r")))
        {
           	fgets(line, STRING_SIZE-1, handle);
            	if (sscanf (line, "%s", string)) {
			maximum_free = atoi(string) / 1024;
            	}
            	fclose(handle);
        }
	
	fprintf(flog, "maximum_free = %ld, memory = %ld", 
		maximum_free, memory);
	
	swap_file = calc_swapsize(memory, maximum_free);

	if (maximum_free < 512 + swap_file ) {
		if (maximum_free < 512) {
			errorbox(ctr[TR_DISK_TOO_SMALL]);
			goto EXIT;
		}

		if (!unattended) {
		    rc = newtWinChoice(title, ctr[TR_OK], ctr[TR_CANCEL], ctr[TR_CONTINUE_NO_SWAP]);
		}
		else {
		    rc = 1;
		}
		
		if (rc != 1)
			goto EXIT;
		swap_file = 0;
	}

	boot_partition = 20; /* in MB */
	current_free = maximum_free - boot_partition - swap_file;

	root_partition = 2048 ;
	if (current_free < 512) {
		errorbox(ctr[TR_DISK_TOO_SMALL]);
		goto EXIT;
	}

	current_free = current_free - root_partition;
	if (!swap_file) {
		root_partition = root_partition + swap_file;
	}

	system_partition = current_free;

	fprintf(flog, "boot = %ld, swap = %ld, mylog = %ld, root = %ld\n",
		boot_partition, swap_file, system_partition, root_partition);

	handle = fopen("/tmp/partitiontable", "w");

	/* Make swapfile */
	if (swap_file) {
		fprintf(handle, ",%ld,L,*\n,%ld,S,\n,%ld,L,\n,,L,\n",
			boot_partition, swap_file, root_partition);
	} else {
		fprintf(handle, ",%ld,L,*\n,0,0,\n,%ld,L,\n,,L,\n",
			boot_partition, root_partition);
	}

	fclose(handle);

	snprintf(commandstring, STRING_SIZE, "/bin/sfdisk -L -uM %s < /tmp/partitiontable", hdparams.devnode_disk);
	if (runcommandwithstatus(commandstring, ctr[TR_PARTITIONING_DISK]))
	{
		errorbox(ctr[TR_UNABLE_TO_PARTITION]);
		goto EXIT;
	}

	mysystem("/sbin/udevstart");

	snprintf(commandstring, STRING_SIZE, "/bin/mke2fs -T ext2 -c %s1", hdparams.devnode_part);
	if (runcommandwithstatus(commandstring, ctr[TR_MAKING_BOOT_FILESYSTEM]))
	{
		errorbox(ctr[TR_UNABLE_TO_MAKE_BOOT_FILESYSTEM]);
		goto EXIT;
	}

	if (swap_file) {
		snprintf(commandstring, STRING_SIZE, "/sbin/mkswap %s2", hdparams.devnode_part);
		if (runcommandwithstatus(commandstring, ctr[TR_MAKING_SWAPSPACE]))
		{
			errorbox(ctr[TR_UNABLE_TO_MAKE_SWAPSPACE]);
			goto EXIT;
		}
	}

	snprintf(commandstring, STRING_SIZE, "/sbin/mkreiserfs -f %s3", hdparams.devnode_part);
	if (runcommandwithstatus(commandstring, ctr[TR_MAKING_ROOT_FILESYSTEM]))
	{
		errorbox(ctr[TR_UNABLE_TO_MAKE_ROOT_FILESYSTEM]);
		goto EXIT;
	}

	snprintf(commandstring, STRING_SIZE, "/sbin/mkreiserfs -f %s4", hdparams.devnode_part);	
	if (runcommandwithstatus(commandstring, ctr[TR_MAKING_LOG_FILESYSTEM]))
	{
		errorbox(ctr[TR_UNABLE_TO_MAKE_ROOT_FILESYSTEM]);
		goto EXIT;
	}

	/* Mount harddisk. */
	mysystem("/sbin/modprobe reiserfs"); // to be banished...

	snprintf(commandstring, STRING_SIZE, "/bin/mount %s3 /harddisk", hdparams.devnode_part);
	if (runcommandwithstatus(commandstring, ctr[TR_MOUNTING_ROOT_FILESYSTEM]))
	{
		errorbox(ctr[TR_UNABLE_TO_MOUNT_ROOT_FILESYSTEM]);
		goto EXIT;
	}

	mkdir("/harddisk/boot", S_IRWXU|S_IRWXG|S_IRWXO);
	mkdir("/harddisk/var", S_IRWXU|S_IRWXG|S_IRWXO);
	mkdir("/harddisk/var/log", S_IRWXU|S_IRWXG|S_IRWXO);
	
	snprintf(commandstring, STRING_SIZE, "/bin/mount %s1 /harddisk/boot", hdparams.devnode_part);
	if (runcommandwithstatus(commandstring, ctr[TR_MOUNTING_BOOT_FILESYSTEM]))
	{
		errorbox(ctr[TR_UNABLE_TO_MOUNT_BOOT_FILESYSTEM]);
		goto EXIT;
	}
	if (swap_file) {
		snprintf(commandstring, STRING_SIZE, "/sbin/swapon %s2", hdparams.devnode_part);
		if (runcommandwithstatus(commandstring, ctr[TR_MOUNTING_SWAP_PARTITION]))
		{
			errorbox(ctr[TR_UNABLE_TO_MOUNT_SWAP_PARTITION]);
			goto EXIT;
		}
	}
	snprintf(commandstring, STRING_SIZE, "/bin/mount %s4 /harddisk/var", hdparams.devnode_part);
	if (runcommandwithstatus(commandstring, ctr[TR_MOUNTING_LOG_FILESYSTEM]))
	{
		errorbox(ctr[TR_UNABLE_TO_MOUNT_LOG_FILESYSTEM]);
		goto EXIT;
	}

	if (installtype == URL_INSTALL) {
		snprintf(commandstring, STRING_SIZE,
			"/bin/wget -q -O - %s/" SNAME "-" VERSION ".tbz2 | /bin/tar -C /harddisk -xvjf -", url);
	}

	if (installtype == CDROM_INSTALL) {
		snprintf(commandstring, STRING_SIZE,
			"/bin/tar -C /harddisk -xvjf /cdrom/" SNAME "-" VERSION ".tbz2");
	}
	
	if (runcommandwithprogress(60, 4, title, commandstring, INST_FILECOUNT,
		ctr[TR_INSTALLING_FILES]))
	{
		errorbox(ctr[TR_UNABLE_TO_INSTALL_FILES]);
		goto EXIT;
	}
		
	/* Save USB controller type to modules.conf */
	write_usb_modules_conf();
	
	/* Save language und local settings */
	write_lang_configs(shortlangname);

	/* touch the modules.dep files */
	snprintf(commandstring, STRING_SIZE, 
		"/bin/touch /harddisk/lib/modules/%s-ipfire/modules.dep",
		KERNEL_VERSION);
	mysystem(commandstring);
	snprintf(commandstring, STRING_SIZE, 
		"/bin/touch /harddisk/lib/modules/%s-ipfire-smp/modules.dep",
		KERNEL_VERSION);
	mysystem(commandstring);

	/* Rename uname */
	rename ("/harddisk/bin/uname.bak", "/harddisk/bin/uname");

	/* mount proc filesystem */
	mysystem("mkdir /harddisk/proc");
	mysystem("/bin/mount --bind /proc /harddisk/proc");
	mysystem("/bin/mount --bind /dev  /harddisk/dev");
	mysystem("/bin/mount --bind /sys  /harddisk/sys");

	/* Build cache lang file */
	snprintf(commandstring, STRING_SIZE, "/sbin/chroot /harddisk /usr/bin/perl -e \"require '" CONFIG_ROOT "/lang.pl'; &Lang::BuildCacheLang\"");
	if (runcommandwithstatus(commandstring, ctr[TR_INSTALLING_LANG_CACHE]))
	{
		errorbox(ctr[TR_UNABLE_TO_INSTALL_LANG_CACHE]);
		goto EXIT;
	}

	/* Update /etc/fstab */
	replace("/harddisk/etc/fstab", "DEVICE", hdparams.devnode_part_run);

	/* Going to make our initrd... */
	snprintf(commandstring, STRING_SIZE, "/sbin/chroot /harddisk /sbin/mkinitcpio -v -g /boot/ipfirerd.img -k %s-ipfire", KERNEL_VERSION);
	runcommandwithstatus(commandstring, ctr[TR_BUILDING_INITRD]);
	snprintf(commandstring, STRING_SIZE, "/sbin/chroot /harddisk /sbin/mkinitcpio -v -g /boot/ipfirerd-smp.img -k %s-smp-ipfire", KERNEL_VERSION);
	runcommandwithstatus(commandstring, ctr[TR_BUILDING_INITRD]);

	sprintf(string, "root=%s3", hdparams.devnode_part_run);
	replace( "/harddisk/boot/grub/grub.conf", "root=ROOT", string);
	replace( "/harddisk/boot/grub/grubbatch", "DEVICE", hdparams.devnode_disk);

	/* restore permissions */
	chmod("/harddisk/boot/grub/grubbatch", S_IXUSR | S_IRUSR | S_IXGRP | S_IRGRP | S_IXOTH | S_IROTH);

	snprintf(commandstring, STRING_SIZE, 
		 "/sbin/chroot /harddisk /boot/grub/grubbatch");
	if (runcommandwithstatus(commandstring, ctr[TR_INSTALLING_GRUB])) {
		errorbox(ctr[TR_UNABLE_TO_INSTALL_GRUB]);
		goto EXIT;
	}

	/* Install bootsplash */
	// mysystem("/bin/installbootsplash.sh"); We cannot use this at the moment, it conflicts with our initrds...

	mysystem("ln -s grub.conf /harddisk/boot/grub/menu.lst");

	if (!unattended) {
		sprintf(message, ctr[TR_CONGRATULATIONS_LONG],
				NAME, SNAME, NAME);
		newtWinMessage(ctr[TR_CONGRATULATIONS], ctr[TR_OK], message);
	}
	         
	allok = 1;

EXIT:
	fprintf(flog, "Install program ended.\n");	

	if (!(allok))
		newtWinMessage(title, ctr[TR_OK], ctr[TR_PRESS_OK_TO_REBOOT]);	
	
	freekeyvalues(ethernetkv);

	if (allok && !allok_fastexit)
	{
		if (unattended) {
			fprintf(flog, "Entering unattended setup\n");
			if (unattended_setup(unattendedkv)) {
				snprintf(commandstring, STRING_SIZE, "/bin/sleep 10");
				runcommandwithstatus(commandstring, "Unattended installation finished, system will reboot");
			} else {
				errorbox("Unattended setup failed.");
				goto EXIT;
			}
		}

		fflush(flog);
		fclose(flog);
		newtFinished();

		if (!unattended) {
			// Copy our scanned nics to the disk and lock because scan doesn't work in chroot
			system("touch /harddisk/var/ipfire/ethernet/scan_lock");
			system("cp -f /tmp/scanned_nics /harddisk/var/ipfire/ethernet/scanned_nics");
			if (system("/sbin/chroot /harddisk /usr/local/sbin/setup /dev/tty2 INSTALL"))
				printf("Unable to run setup.\n");
			system("rm -f /harddisk/var/ipfire/ethernet/scan_lock");
		}

		if (system("/bin/umount /harddisk/proc"))
			printf("Unable to umount /harddisk/proc.\n"); 
	} else {
		fflush(flog);
		fclose(flog);
		newtFinished();
	}

	fcloseall();

	if (swap_file) {
		snprintf(commandstring, STRING_SIZE, "/bin/swapoff %s2", hdparams.devnode_part);
	}

	newtFinished();

	system("/bin/umount /harddisk/proc");
	system("/bin/umount /harddisk/dev");
	system("/bin/umount /harddisk/sys");

	system("/bin/umount /harddisk/var");
	system("/bin/umount /harddisk/boot");
	system("/bin/umount /harddisk");
	  
	system("/etc/halt");

	return 0;
}