/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include <u.h>#include <libc.h>#include <bio.h>#include <ip.h>#include <plumb.h>#include <thread.h>#include <fcall.h>#include <9p.h>#include <mp.h>#include <libsec.h>#include "dat.h"#include "fns.h" static long_iovfprint(va_list *arg){	int fd;	char *fmt;	va_list arg2; 	fd = va_arg(*arg, int);	fmt = va_arg(*arg, char*);	arg2 = va_arg(*arg, va_list);	return vfprint(fd, fmt, arg2);} intiovfprint(Ioproc *io, int fd, char *fmt, va_list arg){	return iocall(io, _iovfprint, fd, fmt, arg);} intioprint(Ioproc *io, int fd, char *fmt, ...){	int n;	va_list arg; 	va_start(arg, fmt);	n = iovfprint(io, fd, fmt, arg);	va_end(arg);	return n;} static long_iotlsdial(va_list *arg){	char *addr, *local, *dir;	int *cfdp, fd, tfd, usetls;	TLSconn conn; 	addr = va_arg(*arg, char*);	local = va_arg(*arg, char*);	dir = va_arg(*arg, char*);	cfdp = va_arg(*arg, int*);	usetls = va_arg(*arg, int); 	fd = dial(addr, local, dir, cfdp);	if(fd < 0)		return -1;	if(!usetls)		return fd; 	memset(&conn, 0, sizeof conn);	/* does no good, so far anyway */	// conn.chain = readcertchain("/sys/lib/ssl/vsignss.pem"); 	tfd = tlsClient(fd, &conn);	close(fd);	if(tfd < 0)		fprint(2, "%s: tlsClient: %r\n", argv0);	else {		/* BUG: check cert here? */		if(conn.cert)			free(conn.cert);	}	return tfd;} intiotlsdial(Ioproc *io, char *addr, char *local, char *dir, int *cfdp, int usetls){	return iocall(io, _iotlsdial, addr, local, dir, cfdp, usetls);}