#include <u.h>#include <libc.h>#include <auth.h>#include "authlocal.h" inthttpauth(char *name, char *password){	int afd;	Ticketreq tr;	Ticket	t;	char key[DESKEYLEN];	char buf[512]; 	afd = authdial();	if(afd < 0)		return -1; 	/* send ticket request to AS */	memset(&tr, 0, sizeof(tr));	strcpy(tr.uid, name);	tr.type = AuthHttp;	convTR2M(&tr, buf);	if(write(afd, buf, TICKREQLEN) != TICKREQLEN){		close(afd);		return -1;	}	if(_asrdresp(afd, buf, TICKETLEN) < 0){		close(afd);		return -1;	}	close(afd); 	/*	 *  use password and try to decrypt the	 *  ticket.  If it doesn't work we've got a bad password,	 *  give up.	 */	passtokey(key, password);	convM2T(buf, &t, key);	if(t.num != AuthHr || strcmp(t.cuid, tr.uid))		return -1; 	return 0;}