Function os_init_job_environment

os/unix/unixd.c:676–695

This routine complements the setuid() call: it causes the BS2000 job * environment to be switched to the target user's user id. * That is important if CGI scripts try to execute native BS2000 commands. */

 * That is important if CGI scripts try to execute native BS2000 commands.
 */
int os_init_job_environment(server_rec *server, const char *user_name, int one_process)
{
    bs2_ForkType            type = os_forktype(one_process);

    /* We can be sure that no change to uid==0 is possible because of
     * the checks in http_core.c:set_user()
     */

    if (one_process) {

        type = forktype = bs2_noFORK;

        ap_log_error(APLOG_MARK, APLOG_ERR, 0, server, APLOGNO(02180)
                     "The debug mode of Apache should only "
                     "be started by an unprivileged user!");
        return 0;
    }

    return 0;
}

/* BS2000 requires a "special" version of fork() before a setuid() call */
pid_t os_fork(const char *user)