/*  * 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 "common.h"#include "send.h" /* *  Run a command to authorize or refuse entry.  Return status 0 means *  authorize, -1 means refuse. */voidauthorize(dest *dp){	process *pp;	String *errstr; 	dp->authorized = 1;	pp = proc_start(s_to_c(dp->repl1), (stream *)0, (stream *)0, outstream(), 1, 0);	if (pp == 0){		dp->status = d_noforward;		return;	}	errstr = s_new();	while(s_read_line(pp->std[2]->fp, errstr))		;	if ((dp->pstat = proc_wait(pp)) != 0) {		dp->repl2 = errstr;		dp->status = d_noforward;	} else		s_free(errstr);	proc_free(pp);}