+ else if (unformat (&input, "uid %d", &uid))
+ ;
+ else if (unformat (&input, "gid %d", &gid))
+ ;
+ else if (unformat (&input, "uid %s", &s))
+ {
+ /* lookup the username */
+ pw = NULL;
+ rv = getpwnam_r(s, &_pw, buf, sizeof(buf), &pw);
+ if (rv < 0)
+ {
+ fformat (stderr, "cannot fetch username %s", s);
+ exit (1);
+ }
+ if (pw == NULL)
+ {
+ fformat (stderr, "username %s does not exist", s);
+ exit (1);
+ }
+ vec_free (s);
+ uid = pw->pw_uid;
+ }
+ else if (unformat (&input, "gid %s", &s))
+ {
+ /* lookup the group name */
+ grp = NULL;
+ rv = getgrnam_r(s, &_grp, buf, sizeof(buf), &grp);
+ if (rv != 0)
+ {
+ fformat (stderr, "cannot fetch group %s", s);
+ exit (1);
+ }
+ if (grp == NULL)
+ {
+ fformat (stderr, "group %s does not exist", s);
+ exit (1);
+ }
+ vec_free (s);
+ gid = grp->gr_gid;
+ }