#include <u.h>#include <libc.h>#include <auth.h>#include <fcall.h>#include "../boot/boot.h" char	*authaddr;static void glenda(void); voidauthentication(int cpuflag){	char *argv[16], **av;	int ac; 	if(access("/factotum", AEXEC) < 0){		glenda();		return;	} 	/* start agent */	ac = 0;	av = argv;	av[ac++] = "factotum";//av[ac++] = "-d";//av[ac++] = "-D";	//9p messages	if(cpuflag)		av[ac++] = "-S";	else		av[ac++] = "-u";	av[ac++] = "-sfactotum";	if(authaddr != nil){		av[ac++] = "-a";		av[ac++] = authaddr;	}	av[ac] = 0;	switch(fork()){	case -1:		fatal("starting factotum: %r");	case 0:		exec("/factotum", av);		fatal("execing /factotum");	default:		break;	} 	/* wait for agent to really be there */	while(access("/mnt/factotum", 0) < 0)		sleep(250); 	if(cpuflag)		return;} static voidglenda(void){	int fd;	char *s; 	s = getenv("user");	if(s == nil)		s = "glenda"; 	fd = open("#c/hostowner", OWRITE);	if(fd >= 0){		if(write(fd, s, strlen(s)) != strlen(s))			fprint(2, "setting #c/hostowner to %s: %r\n", s);		close(fd);	}}