- if (LONE_CHAR(pw->pw_passwd, 'x') || LONE_CHAR(pw->pw_passwd, '*')) {
- if (getspnam_r(pw->pw_name, &spw, buffer, sizeof(buffer), &result))
- bb_error_msg("no valid shadow password, checking ordinary one");
- else
- correct = spw.sp_pwdp;
+ if ((correct[0] == 'x' || correct[0] == '*') && !correct[1]) {
+ /* Using _r function to avoid pulling in static buffers */
+ struct spwd spw;
+ struct spwd *result;
+ char buffer[256];
+ correct = (getspnam_r(pw->pw_name, &spw, buffer, sizeof(buffer), &result)) ? "aa" : spw.sp_pwdp;