Function ap_proxy_is_domainname

modules/proxy/proxy_util.c:675–709

Return TRUE if addr represents a domain name */

/* Return TRUE if addr represents a domain name */
PROXY_DECLARE(int) ap_proxy_is_domainname(struct dirconn_entry *This, apr_pool_t *p)
{
    char *addr = This->name;
    int i;

    /* Domain name must start with a '.' */
    if (addr[0] != '.') {
        return 0;
    }

    /* rfc1035 says DNS names must consist of "[-a-zA-Z0-9]" and '.' */
    for (i = 0; apr_isalnum(addr[i]) || addr[i] == '-' || addr[i] == '.'; ++i) {
        continue;
    }

#if 0
    if (addr[i] == ':') {
    ap_log_error(APLOG_MARK, APLOG_STARTUP, 0, NULL, APLOGNO(03234)
                     "@@@@ handle optional port in proxy_is_domainname()");
    /* @@@@ handle optional port */
    }
#endif

    if (addr[i] != '\0') {
        return 0;
    }

    /* Strip trailing dots */
    for (i = strlen(addr) - 1; i > 0 && addr[i] == '.'; --i) {
        addr[i] = '\0';
    }

    This->matcher = proxy_match_domainname;
    return 1;
}

/* Return TRUE if host "host" is in domain "domain" */
static int proxy_match_domainname(struct dirconn_entry *This, request_rec *r)