137 lines
2.4 KiB
C
137 lines
2.4 KiB
C
/*
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* This file is part of the UCB release of Plan 9. It is subject to the license
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* terms in the LICENSE file found in the top-level directory of this
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* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
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* part of the UCB release of Plan 9, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms contained
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* in the LICENSE file.
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*/
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/* Portions of this file are Copyright (C) 2015-2018 Giacomo Tesio <giacomo@tesio.it>
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* See /doc/license/gpl-2.0.txt for details about the licensing.
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*/
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#include <u.h>
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#include <lib9.h>
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#include <auth.h>
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void usage(void);
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void catch(void *c, char*);
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char *keyspec = "";
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int mntdevice = '9';
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int
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amount0(int fd, char *mntpt, int flags, char *aname, char *keyspec)
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{
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int rv, afd;
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AuthInfo *ai;
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afd = sys_fauth(fd, aname);
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if(afd >= 0){
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ai = auth_proxy(afd, amount_getkey, "proto=p9any role=client %s", keyspec);
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if(ai != nil)
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auth_freeAI(ai);
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else
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fprint(2, "%s: auth_proxy: %r\n", argv0);
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}
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rv = sys_mount(fd, afd, mntpt, flags, aname, mntdevice);
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if(afd >= 0)
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sys_close(afd);
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return rv;
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}
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void
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setmntdevice(char *dev)
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{
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Rune d;
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if(dev[0] != '#')
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usage();
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if(chartorune(&d, ++dev) == 1 && d == Runeerror)
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usage();
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mntdevice = d;
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}
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void
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main(int argc, char *argv[])
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{
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char *spec;
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uint32_t flag = 0;
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int qflag = 0;
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int noauth = 0;
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int fd, rv;
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ARGBEGIN{
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case 'a':
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flag |= MAFTER;
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break;
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case 'b':
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flag |= MBEFORE;
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break;
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case 'c':
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flag |= MCREATE;
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break;
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case 'd':
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setmntdevice(EARGF(usage()));
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break;
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case 'k':
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keyspec = EARGF(usage());
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break;
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case 'n':
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noauth = 1;
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break;
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case 'q':
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qflag = 1;
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break;
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default:
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usage();
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}ARGEND
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spec = 0;
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if(argc == 2)
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spec = "";
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else if(argc == 3)
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spec = argv[2];
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else
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usage();
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if((flag&MAFTER)&&(flag&MBEFORE))
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usage();
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fd = sys_open(argv[0], ORDWR);
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if(fd < 0){
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if(qflag)
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exits(0);
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fprint(2, "%s: can't open %s: %r\n", argv0, argv[0]);
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exits("open");
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}
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sys_notify(catch);
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if(noauth)
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rv = sys_mount(fd, -1, argv[1], flag, spec, mntdevice);
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else
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rv = amount0(fd, argv[1], flag, spec, keyspec);
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if(rv < 0){
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if(qflag)
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exits(0);
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fprint(2, "%s: mount %s: %r\n", argv0, argv[1]);
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exits("mount");
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}
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exits(0);
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}
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void
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catch(void *x, char *m)
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{
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USED(x);
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fprint(2, "mount: %s\n", m);
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exits(m);
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}
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void
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usage(void)
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{
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fprint(2, "usage: mount [-a|-b] [-cnq] [-d '#X'] [-k keypattern] /srv/service dir [spec]\n");
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exits("usage");
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}
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