-*- coding: utf-8 -*-
Changes with Apache 2.5.0
- *) SECURITY: CVE-2014-3583 (cve.mitre.org)
- mod_proxy_fcgi: Fix a potential crash with response headers' size above 8K.
- [Teguh <chain rop.io>, Yann Ylavic]
-
- *) mod_authnz_fcgi: Fix a potential crash with response headers' size above 8K.
- [Yann Ylavic]
-
*) mod_authnz_ldap: Resolve crashes with LDAP authz and non-LDAP authn since
r1608202. [Eric Covener]
*
* Returns 0 if it can't find the end of the headers, and 1 if it found the
* end of the headers. */
-static int handle_headers(request_rec *r, int *state,
- char *readbuf, apr_size_t readlen)
+static int handle_headers(request_rec *r,
+ int *state,
+ char *readbuf)
{
const char *itr = readbuf;
- while (readlen) {
+ while (*itr) {
if (*itr == '\r') {
switch (*state) {
case HDR_STATE_GOT_CRLF:
if (*state == HDR_STATE_DONE_WITH_HEADERS)
break;
- --readlen;
++itr;
}
APR_BRIGADE_INSERT_TAIL(ob, b);
if (!seen_end_of_headers) {
- int st = handle_headers(r, &header_state, readbuf,
- readbuflen);
-
- if (st == -1) {
- ap_log_rerror(APLOG_MARK, APLOG_ERR, 0, r,
- APLOGNO(02821) "%s: error reading "
- "headers from %s",
- fn, conf->backend);
- rv = APR_EINVAL;
- break;
- }
+ int st = handle_headers(r, &header_state, readbuf);
if (st == 1) {
int status;
/*
* Read/discard any trailing padding.
*/
- if (rv == APR_SUCCESS && plen) {
+ if (plen) {
rv = recv_data_full(conf, r, s, readbuf, plen);
if (rv != APR_SUCCESS) {
ap_log_rerror(APLOG_MARK, APLOG_ERR, rv, r,
#include "util_fcgi.h"
#include "util_script.h"
-#include "apr_lib.h" /* for apr_iscntrl() */
-
module AP_MODULE_DECLARE_DATA proxy_fcgi_module;
/*
*
* Returns 0 if it can't find the end of the headers, and 1 if it found the
* end of the headers. */
-static int handle_headers(request_rec *r, int *state,
- const char *readbuf, apr_size_t readlen)
+static int handle_headers(request_rec *r,
+ int *state,
+ char *readbuf)
{
const char *itr = readbuf;
- while (readlen) {
+ while (*itr) {
if (*itr == '\r') {
switch (*state) {
case HDR_STATE_GOT_CRLF:
if (*state == HDR_STATE_DONE_WITH_HEADERS)
break;
- --readlen;
++itr;
}
APR_BRIGADE_INSERT_TAIL(ob, b);
if (! seen_end_of_headers) {
- int st = handle_headers(r, &header_state, iobuf,
- readbuflen);
-
- if (st == -1) {
- *err = "parsing response headers";
- rv = APR_EINVAL;
- break;
- }
+ int st = handle_headers(r, &header_state, iobuf);
if (st == 1) {
int status;
break;
}
- if (*err) {
- /* stop on error in the above switch */
- break;
- }
-
if (plen) {
rv = get_data_full(conn, iobuf, plen);
if (rv != APR_SUCCESS) {