#include <u.h>#include <libc.h>#include <ctype.h>#include <auth.h>#include "authsrv.h" enum{	Plan9		= 1,	Securenet	= 2,}; int	setstatus(char*, char*, char*, char*);void	usage(void); voidmain(int argc, char *argv[]){	char *u;	int which, change; 	change = 0;	which = 0;	ARGBEGIN{	case 'p':		which |= Plan9;		break;	case 'n':		which |= Securenet;		break;	default:		usage();	}ARGEND	argv0 = "disable"; 	if(argc != 1)		usage();	u = argv[0];	if(memchr(u, '\0', NAMELEN) == 0)		error("bad user name");	if(!which)		which = Plan9|Securenet;	if(which & Plan9)		change += setstatus(KEYDB, u, "disabled", "Plan 9");	if(which & Securenet)		change += setstatus(NETKEYDB, u, "disabled", "SecureNet");	if(!change){		print("couldn't disable %s\n", u);		exits("user does not exist");	}	print("user %s disabled\n", u);	syslog(0, AUTHLOG, "user %s disabled", u);	exits(0);} intsetstatus(char *db, char *u, char *msg, char *where){	char buf[sizeof KEYDB+sizeof NETKEYDB+2*NAMELEN+6];	int fd; 	sprint(buf, "%s/%s/status", db, u);	fd = open(buf, OWRITE);	if(fd < 0 || write(fd, msg, strlen(msg)) != strlen(msg)){		print("can't set %s status\n", where);		return 0;	}	close(fd);	return 1;} voidusage(void){	fprint(2, "usage: disable [-pn] user\n");	exits("usage");}