/*  * 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 <auth.h>#include "authlocal.h" /* *  make factotum add wep keys to an 802.11 device */intauth_wep(char *dev, char *fmt, ...){	AuthRpc *rpc;	char *params, *p;	int fd;	va_list arg;	int rv; 	rv = -1; 	if(dev == nil){		werrstr("no device specified");		return rv;	} 	fd = open("/mnt/factotum/rpc", ORDWR);	if(fd < 0)		return rv; 	rpc = auth_allocrpc(fd);	if(rpc != nil){		quotefmtinstall();	/* just in case */		va_start(arg, fmt);		params = vsmprint(fmt, arg);		va_end(arg);		if(params != nil){			p = smprint("proto=wep %s", params);			if(p != nil){				if(auth_rpc(rpc, "start", p, strlen(p)) == ARok				&& auth_rpc(rpc, "write", dev, strlen(dev)) == ARok)					rv = 0;				free(p);			}			free(params);		}		auth_freerpc(rpc);	}	close(fd);			return rv;}