121 lines
1.8 KiB
C
121 lines
1.8 KiB
C
#include <u.h>
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#include <libc.h>
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#include <auth.h>
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void usage(void);
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void catch(void*, char*);
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char *keyspec = "";
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char *spec = "";
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int flag = MREPL;
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int qflag = 0;
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int noauth = 0;
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int asnone = 0;
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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 = 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 = mount(fd, afd, mntpt, flags, aname);
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if(afd >= 0)
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close(afd);
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return rv;
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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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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 'C':
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flag |= MCACHE;
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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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asnone = 1;
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/* no 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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if(argc == 3)
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spec = argv[2];
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else if(argc != 2)
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usage();
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if((flag&MAFTER)&&(flag&MBEFORE))
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usage();
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fd = 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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if(asnone){
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if(procsetuser("none") < 0){
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if(qflag)
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exits(0);
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fprint(2, "%s: can't become none: %r\n", argv0);
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exits("becomenone");
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}
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}
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notify(catch);
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if(noauth)
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rv = mount(fd, -1, argv[1], flag, spec);
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else
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rv = amount0(fd, argv[1], flag, spec, keyspec);
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if(rv == -1){
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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 *, char *m)
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{
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fprint(2, "%s: %s\n", argv0, 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] [-cCnNq] [-k keypattern] /srv/service dir [spec]\n");
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exits("usage");
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}
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