/*  * 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> void	usage(void);void	catch(void*, char*); char *keyspec = ""; intamount0(int fd, char *mntpt, int flags, char *aname, char *keyspec){	int rv, afd;	AuthInfo *ai; 	afd = fauth(fd, aname);	if(afd >= 0){		ai = auth_proxy(afd, amount_getkey, "proto=p9any role=client %s", keyspec);		if(ai != nil)			auth_freeAI(ai);		else			fprint(2, "%s: auth_proxy: %r\n", argv0);	}	rv = mount(fd, afd, mntpt, flags, aname);	if(afd >= 0)		close(afd);	return rv;} voidmain(int argc, char *argv[]){	char *spec;	ulong flag = 0;	int qflag = 0;	int noauth = 0;	int fd, rv; 	ARGBEGIN{	case 'a':		flag |= MAFTER;		break;	case 'b':		flag |= MBEFORE;		break;	case 'c':		flag |= MCREATE;		break;	case 'C':		flag |= MCACHE;		break;	case 'k':		keyspec = EARGF(usage());		break;	case 'n':		noauth = 1;		break;	case 'q':		qflag = 1;		break;	default:		usage();	}ARGEND 	spec = 0;	if(argc == 2)		spec = "";	else if(argc == 3)		spec = argv[2];	else		usage(); 	if((flag&MAFTER)&&(flag&MBEFORE))		usage(); 	fd = open(argv[0], ORDWR);	if(fd < 0){		if(qflag)			exits(0);		fprint(2, "%s: can't open %s: %r\n", argv0, argv[0]);		exits("open");	} 	notify(catch);	if(noauth)		rv = mount(fd, -1, argv[1], flag, spec);	else		rv = amount0(fd, argv[1], flag, spec, keyspec);	if(rv < 0){		if(qflag)			exits(0);		fprint(2, "%s: mount %s: %r\n", argv0, argv[1]);		exits("mount");	}	exits(0);} voidcatch(void *x, char *m){	USED(x);	fprint(2, "mount: %s\n", m);	exits(m);} voidusage(void){	fprint(2, "usage: mount [-a|-b] [-cnq] [-k keypattern] /srv/service dir [spec]\n");	exits("usage");}