#include <u.h>#include <libc.h>#include <auth.h>#include "../boot/boot.h" #define DEFSYS "bootes"typedef struct Net	Net;typedef struct Flavor	Flavor; int	printcol; char	cputype[NAMELEN];char	terminal[NAMELEN];char	sys[2*NAMELEN];char	username[NAMELEN];char	bootfile[3*NAMELEN];char	conffile[NAMELEN]; int mflag;int fflag;int kflag;int afd = -1; static void	swapproc(void);static Method	*rootserver(char*); static intrconv(void *o, Fconv *fp){	char s[ERRLEN]; 	USED(o); 	s[0] = 0;	errstr(s);	strconv(s, fp);	return 0;} voidboot(int argc, char *argv[]){	int fd;	Method *mp;	char cmd[64];	char flags[6];	int islocal, ishybrid;	char rootdir[3*NAMELEN]; 	sleep(1000); 	fmtinstall('r', rconv); 	open("#c/cons", OREAD);	open("#c/cons", OWRITE);	open("#c/cons", OWRITE);/*	print("argc=%d\n", argc);	for(fd = 0; fd < argc; fd++)		print("%s ", argv[fd]);	print("\n");/**/ 	ARGBEGIN{	case 'u':		strcpy(username, ARGF());		break;	case 'k':		kflag = 1;		break;	case 'm':		mflag = 1;		break;	case 'f':		fflag = 1;		break;	}ARGEND 	readfile("#e/cputype", cputype, sizeof(cputype));	readfile("#e/terminal", terminal, sizeof(terminal));	getconffile(conffile, terminal); 	/*	 *  pick a method and initialize it	 */	mp = rootserver(argc ? *argv : 0);	(*mp->config)(mp);	islocal = strcmp(mp->name, "local") == 0;	ishybrid = (mp->name[0] == 'h' || mp->name[0] == 'H') &&			strcmp(&mp->name[1], "ybrid") == 0; 	/*	 *  get/set key or password	 */	(*pword)(islocal, mp); 	/*	 *  connect to the root file system	 */	fd = (*mp->connect)();	if(fd < 0)		fatal("can't connect to file server");	if(!islocal && !ishybrid){		if(cfs)			fd = (*cfs)(fd);		doauthenticate(fd, mp);	}	srvcreate("boot", fd); 	/*	 *  create the name space	 */	if(bind("/", "/", MREPL) < 0)		fatal("bind");	if(mount(fd, "/", MAFTER|MCREATE, "") < 0)		fatal("mount");	close(fd); 	/*	 *  hack to let us have the logical root in a	 *  subdirectory - useful when we're the 'second'	 *  OS along with some other like DOS.	 */	readfile("#e/rootdir", rootdir, sizeof(rootdir));	if(rootdir[0])		if(bind(rootdir, "/", MREPL|MCREATE) >= 0)			bind("#/", "/", MBEFORE); 	/*	 *  if a local file server exists and it's not	 *  running, start it and mount it onto /n/kfs	 */	if(access("#s/kfs", 0) < 0){		for(mp = method; mp->name; mp++){			if(strcmp(mp->name, "local") != 0)				continue;			(*mp->config)(mp);			fd = (*mp->connect)();			if(fd < 0)				break;			mount(fd, "/n/kfs", MAFTER|MCREATE, "") ;			close(fd);			break;		}	} 	settime(islocal);	close(afd);	swapproc();	remove("#e/password"); 	sprint(cmd, "/%s/init", cputype);	sprint(flags, "-%s%s", cpuflag ? "c" : "t", mflag ? "m" : "");	execl(cmd, "init", flags, 0);	fatal(cmd);} /* *  ask user from whence cometh the root file system */Method*rootserver(char *arg){	char prompt[256];	char reply[64];	Method *mp;	char *cp, *goodarg;	int n, j; 	goodarg = 0;	mp = method;	n = sprint(prompt, "root is from (%s", mp->name);	if(arg && strncmp(arg, mp->name, strlen(mp->name)) == 0)		goodarg = arg;	for(mp++; mp->name; mp++){		n += sprint(prompt+n, ", %s", mp->name);		if(arg && strncmp(arg, mp->name, strlen(mp->name)) == 0)			goodarg = arg;	}	sprint(prompt+n, ")"); 	if(goodarg)		strcpy(reply, goodarg);	else {		strcpy(reply, method->name);	}	for(;;){		outin(cpuflag, prompt, reply, sizeof(reply));		cp = strchr(reply, '!');		if(cp)			j = cp - reply;		else			j = strlen(reply);		for(mp = method; mp->name; mp++)			if(strncmp(reply, mp->name, j) == 0){				if(cp)					strcpy(sys, cp+1);				return mp;			}		if(mp->name == 0)			continue;	}	return 0;		/* not reached */} static voidswapproc(void){	int fd; 	fd = open("#c/swap", OWRITE);	if(fd < 0){		warning("opening #c/swap");		return;	}	if(write(fd, "start", 5) <= 0)		warning("starting swap kproc");}