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#include <u.h>
#include <libc.h>
#include <auth.h>
void usage(void);
void catch(void*, char*);
char *keyspec = "";
char *spec = "";
int flag = MREPL;
int qflag = 0;
int noauth = 0;
int asnone = 0;
int
amount0(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;
}
void
main(int argc, char *argv[])
{
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':
asnone = 1;
/* no break */
case 'n':
noauth = 1;
break;
case 'q':
qflag = 1;
break;
default:
usage();
}ARGEND
if(argc == 3)
spec = argv[2];
else if(argc != 2)
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");
}
if(asnone){
if(procsetuser("none") < 0){
if(qflag)
exits(0);
fprint(2, "%s: can't become none: %r\n", argv0);
exits("becomenone");
}
}
notify(catch);
if(noauth)
rv = mount(fd, -1, argv[1], flag, spec);
else
rv = amount0(fd, argv[1], flag, spec, keyspec);
if(rv == -1){
if(qflag)
exits(0);
fprint(2, "%s: mount %s: %r\n", argv0, argv[1]);
exits("mount");
}
exits(0);
}
void
catch(void *, char *m)
{
fprint(2, "%s: %s\n", argv0, m);
exits(m);
}
void
usage(void)
{
fprint(2, "usage: mount [-a|-b] [-cCnNq] [-k keypattern] /srv/service dir [spec]\n");
exits("usage");
}
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