- if ( initgroups ( pw-> pw_name, pw-> pw_gid ) == -1 )
- return "cannot set groups";
- endgrent ( );
-
- if ( setgid ( pw-> pw_gid ))
- return "cannot set group id";
- if ( setuid ( pw->pw_uid ))
- return "cannot set user id";
- return NULL;
-}
-
-void change_identity ( const struct passwd *pw )
-{
- const char *err_msg = change_identity_e2str(pw);
-
- if(err_msg)
- bb_perror_msg_and_die ( "%s", err_msg );
+ if (initgroups(pw->pw_name, pw->pw_gid) == -1)
+ bb_perror_msg_and_die("can't set groups");
+ endgrent(); /* helps to close a fd used internally by libc */
+ xsetgid(pw->pw_gid);
+ xsetuid(pw->pw_uid);