static int set_group_privs()

in modules/fcgid/fcgid_pm_unix.c [189:239]

• 36 lines of code
• 7 McCabe index (conditional complexity)

static int set_group_privs(void)
{
    if (!geteuid()) {
        const char *name;


        /* Get username if passed as a uid */
        if (ap_unixd_config.user_name[0] == '#') {
            struct passwd *ent;

            uid_t uid = atoi(&ap_unixd_config.user_name[1]);

            if ((ent = getpwuid(uid)) == NULL) {
                ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
                             "getpwuid: couldn't determine user name from uid %u, "
                             "you probably need to modify the User directive",
                             (unsigned) uid);
                return -1;
            }
            name = ent->pw_name;
        }

        else
            name = ap_unixd_config.user_name;

#if !defined(OS2) && !defined(TPF)
        /* OS/2 and TPF don't support groups. */

        /*
         * Set the GID before initgroups(), since on some platforms
         * setgid() is known to zap the group list.
         */
        if (setgid(ap_unixd_config.group_id) == -1) {
            ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
                         "setgid: unable to set group id to Group %u",
                         (unsigned) ap_unixd_config.group_id);
            return -1;
        }

        /* Reset `groups' attributes. */
        if (initgroups(name, ap_unixd_config.group_id) == -1) {
            ap_log_error(APLOG_MARK, APLOG_ALERT, errno, NULL,
                         "initgroups: unable to set groups for User %s "
                         "and Group %u", name,
                         (unsigned) ap_unixd_config.group_id);
            return -1;
        }
#endif                          /* !defined(OS2) && !defined(TPF) */
    }
    return 0;
}