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import httpd-2.4.37-39.module+el8.4.0+13086+7519fa2d.2

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CentOS Sources 2021-11-10 04:03:01 -05:00 committed by Stepan Oksanichenko
parent 101cf8a43f
commit 76565bc628
11 changed files with 14 additions and 790 deletions
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1
.gitignore vendored
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@ -1,2 +1 @@
SOURCES/apache-poweredby.png
SOURCES/httpd-2.4.37.tar.bz2

1
.httpd.metadata
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@ -1,2 +1 @@
3a7449d6cff00e5ccb3ed8571f34c0528555d38f SOURCES/apache-poweredby.png
4a38471de821288b0300148016f2b03dfee8adf2 SOURCES/httpd-2.4.37.tar.bz2

14
SOURCES/httpd-2.4.37-CVE-2021-26690.patch
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@ -1,14 +0,0 @@
diff --git a/modules/session/mod_session.c b/modules/session/mod_session.c
index 7ee477c..049255d 100644
--- a/modules/session/mod_session.c
+++ b/modules/session/mod_session.c
@@ -404,8 +404,8 @@ static apr_status_t session_identity_decode(request_rec * r, session_rec * z)
char *plast = NULL;
const char *psep = "=";
char *key = apr_strtok(pair, psep, &plast);
- char *val = apr_strtok(NULL, psep, &plast);
if (key && *key) {
+ char *val = apr_strtok(NULL, sep, &plast);
if (!val || !*val) {
apr_table_unset(z->entries, key);
}

44
SOURCES/httpd-2.4.37-CVE-2021-30641.patch
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@ -1,44 +0,0 @@
diff --git a/server/request.c b/server/request.c
index d5c558a..18625af 100644
--- a/server/request.c
+++ b/server/request.c
@@ -1419,7 +1419,20 @@ AP_DECLARE(int) ap_location_walk(request_rec *r)
cache = prep_walk_cache(AP_NOTE_LOCATION_WALK, r);
cached = (cache->cached != NULL);
- entry_uri = r->uri;
+
+ /*
+ * When merge_slashes is set to AP_CORE_CONFIG_OFF the slashes in r->uri
+ * have not been merged. But for Location walks we always go with merged
+ * slashes no matter what merge_slashes is set to.
+ */
+ if (sconf->merge_slashes != AP_CORE_CONFIG_OFF) {
+ entry_uri = r->uri;
+ }
+ else {
+ char *uri = apr_pstrdup(r->pool, r->uri);
+ ap_no2slash(uri);
+ entry_uri = uri;
+ }
/* If we have an cache->cached location that matches r->uri,
* and the vhost's list of locations hasn't changed, we can skip
@@ -1486,7 +1499,7 @@ AP_DECLARE(int) ap_location_walk(request_rec *r)
pmatch = apr_palloc(rxpool, nmatch*sizeof(ap_regmatch_t));
}
- if (ap_regexec(entry_core->r, entry_uri, nmatch, pmatch, 0)) {
+ if (ap_regexec(entry_core->r, r->uri, nmatch, pmatch, 0)) {
continue;
}
@@ -1496,7 +1509,7 @@ AP_DECLARE(int) ap_location_walk(request_rec *r)
apr_table_setn(r->subprocess_env,
((const char **)entry_core->refs->elts)[i],
apr_pstrndup(r->pool,
- entry_uri + pmatch[i].rm_so,
+ r->uri + pmatch[i].rm_so,
pmatch[i].rm_eo - pmatch[i].rm_so));
}
}

2
SOURCES/httpd-2.4.37-proxy-ws-idle-timeout.patch
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@ -20,7 +20,7 @@ index 21ffbe2..16e1628 100644
<li><a href="#comments_section">Comments</a></li></ul></div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="ProxyWebsocketIdleTimeout" id="ProxyWebsocketIdleTimeout">ProxyWebsocketIdleTimeout</a> <a name="proxywebsocketidletimeout" id="proxywebsocketidletimeout">Directive</a> <a title="Permanent link" href="#proxywebsocketidletimeout" class="permalink">&para;</a></h2>
+<div class="directive-section"><h2><a name="ProxyWebsocketIdleTimeout" id="ProxyWebsocketIdleTimeout">ProxyWebsocketIdleTimeout</a> <a name="proxywebsocketidletimeout
+<table class="directive">
+<tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Sets the maximum amount of time to wait for data on the websockets tunnel</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>ProxyWebsocketIdleTimeout <var>num</var>[ms]</code></td></tr>

48
SOURCES/httpd-2.4.37-r1845768+.patch
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@ -1,48 +0,0 @@
diff --git a/modules/ssl/ssl_engine_init.c b/modules/ssl/ssl_engine_init.c
index 70d151e..e4f5fc8 100644
--- a/modules/ssl/ssl_engine_init.c
+++ b/modules/ssl/ssl_engine_init.c
@@ -1095,7 +1095,9 @@ static apr_status_t ssl_init_ctx_crl(server_rec *s,
/*
* Read a file that optionally contains the server certificate in PEM
* format, possibly followed by a sequence of CA certificates that
- * should be sent to the peer in the SSL Certificate message.
+ * should be sent to the peer in the SSL Certificate message. Returns
+ * 0 on success, otherwise the OpenSSL error stack contents should be
+ * reported.
*/
static int use_certificate_chain(
SSL_CTX *ctx, char *file, int skipfirst, pem_password_cb *cb)
@@ -1128,8 +1130,10 @@ static int use_certificate_chain(
ctx->extra_certs = NULL;
}
#endif
+
/* create new extra chain by loading the certs */
n = 0;
+ ERR_clear_error();
while ((x509 = PEM_read_bio_X509(bio, NULL, cb, NULL)) != NULL) {
if (!SSL_CTX_add_extra_chain_cert(ctx, x509)) {
X509_free(x509);
@@ -1190,6 +1194,7 @@ static apr_status_t ssl_init_ctx_cert_chain(server_rec *s,
if (n < 0) {
ap_log_error(APLOG_MARK, APLOG_EMERG, 0, s, APLOGNO(01903)
"Failed to configure CA certificate chain!");
+ ssl_log_ssl_error(SSLLOG_MARK, APLOG_EMERG, s);
return ssl_die(s);
}
diff --git a/modules/ssl/ssl_util_ocsp.c b/modules/ssl/ssl_util_ocsp.c
index b11a6e9..b66e151 100644
--- a/modules/ssl/ssl_util_ocsp.c
+++ b/modules/ssl/ssl_util_ocsp.c
@@ -363,7 +363,9 @@ static STACK_OF(X509) *modssl_read_ocsp_certificates(const char *file)
BIO_free(bio);
return NULL;
}
+
/* create new extra chain by loading the certs */
+ ERR_clear_error();
while ((x509 = PEM_read_bio_X509(bio, NULL, NULL, NULL)) != NULL) {
if (!other_certs) {
other_certs = sk_X509_new_null();

265
SOURCES/httpd-2.4.37-r1873907.patch
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@ -1,265 +0,0 @@
diff --git a/docs/manual/mod/mod_ssl.html.en b/docs/manual/mod/mod_ssl.html.en
index b543150..ab72d4f 100644
--- a/docs/manual/mod/mod_ssl.html.en
+++ b/docs/manual/mod/mod_ssl.html.en
@@ -1524,6 +1524,32 @@ The available (case-insensitive) <em>protocol</em>s are:</p>
<div class="example"><h3>Example</h3><pre class="prettyprint lang-config">SSLProtocol TLSv1</pre>
</div>
+<div class="note">
+<h3><code class="directive">SSLProtocol</code> for name-based virtual hosts</h3>
+<p>
+Before OpenSSL 1.1.1, even though the Server Name Indication (SNI) allowed to
+determine the targeted virtual host early in the TLS handshake, it was not
+possible to switch the TLS protocol version of the connection at this point,
+and thus the <code class="directive">SSLProtocol</code> negotiated was always based off
+the one of the <em>base virtual host</em> (first virtual host declared on the
+listening <code>IP:port</code> of the connection).
+</p>
+<p>
+Beginning with Apache HTTP server version 2.4.42, when built/linked against
+OpenSSL 1.1.1 or later, and when the SNI is provided by the client in the TLS
+handshake, the <code class="directive">SSLProtocol</code> of each (name-based) virtual
+host can and will be honored.
+</p>
+<p>
+For compatibility with previous versions, if no
+<code class="directive">SSLProtocol</code> is configured in a name-based virtual host,
+the one from the base virtual host still applies, <strong>unless</strong>
+<code class="directive">SSLProtocol</code> is configured globally in which case the
+global value applies (this latter exception is more sensible than compatible,
+though).
+</p>
+</div>
+
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="SSLProxyCACertificateFile" id="SSLProxyCACertificateFile">SSLProxyCACertificateFile</a> <a name="sslproxycacertificatefile" id="sslproxycacertificatefile">Directive</a></h2>
diff --git a/modules/ssl/ssl_engine_config.c b/modules/ssl/ssl_engine_config.c
index 0c4bf1f..ca5f702 100644
--- a/modules/ssl/ssl_engine_config.c
+++ b/modules/ssl/ssl_engine_config.c
@@ -269,6 +269,7 @@ static void modssl_ctx_cfg_merge(apr_pool_t *p,
mrg->protocol_set = 1;
}
else {
+ mrg->protocol_set = base->protocol_set;
mrg->protocol = base->protocol;
}
diff --git a/modules/ssl/ssl_engine_init.c b/modules/ssl/ssl_engine_init.c
index 31062bc..70d151e 100644
--- a/modules/ssl/ssl_engine_init.c
+++ b/modules/ssl/ssl_engine_init.c
@@ -520,7 +520,9 @@ static apr_status_t ssl_init_ctx_tls_extensions(server_rec *s,
"Configuring TLS extension handling");
/*
- * Server name indication (SNI)
+ * The Server Name Indication (SNI) provided by the ClientHello can be
+ * used to select the right (name-based-)vhost and its SSL configuration
+ * before the handshake takes place.
*/
if (!SSL_CTX_set_tlsext_servername_callback(mctx->ssl_ctx,
ssl_callback_ServerNameIndication) ||
@@ -532,6 +534,16 @@ static apr_status_t ssl_init_ctx_tls_extensions(server_rec *s,
return ssl_die(s);
}
+#if OPENSSL_VERSION_NUMBER >= 0x10101000L && !defined(LIBRESSL_VERSION_NUMBER)
+ /*
+ * The ClientHello callback also allows to retrieve the SNI, but since it
+ * runs at the earliest possible connection stage we can even set the TLS
+ * protocol version(s) according to the selected (name-based-)vhost, which
+ * is not possible at the SNI callback stage (due to OpenSSL internals).
+ */
+ SSL_CTX_set_client_hello_cb(mctx->ssl_ctx, ssl_callback_ClientHello, NULL);
+#endif
+
#ifdef HAVE_OCSP_STAPLING
/*
* OCSP Stapling support, status_request extension
@@ -708,7 +720,7 @@ static apr_status_t ssl_init_ctx_protocol(server_rec *s,
#else /* #if OPENSSL_VERSION_NUMBER < 0x10100000L */
/* We first determine the maximum protocol version we should provide */
#if SSL_HAVE_PROTOCOL_TLSV1_3
- if (SSL_HAVE_PROTOCOL_TLSV1_3 && (protocol & SSL_PROTOCOL_TLSV1_3)) {
+ if (protocol & SSL_PROTOCOL_TLSV1_3) {
prot = TLS1_3_VERSION;
} else
#endif
diff --git a/modules/ssl/ssl_engine_kernel.c b/modules/ssl/ssl_engine_kernel.c
index 8b44674..7313a55 100644
--- a/modules/ssl/ssl_engine_kernel.c
+++ b/modules/ssl/ssl_engine_kernel.c
@@ -2357,28 +2357,31 @@ static apr_status_t set_challenge_creds(conn_rec *c, const char *servername,
* This function sets the virtual host from an extended
* client hello with a server name indication extension ("SNI", cf. RFC 6066).
*/
-static apr_status_t init_vhost(conn_rec *c, SSL *ssl)
+static apr_status_t init_vhost(conn_rec *c, SSL *ssl, const char *servername)
{
- const char *servername;
X509 *cert;
EVP_PKEY *key;
if (c) {
SSLConnRec *sslcon = myConnConfig(c);
-
- if (sslcon->server != c->base_server) {
- /* already found the vhost */
- return APR_SUCCESS;
+
+ if (sslcon->vhost_found) {
+ /* already found the vhost? */
+ return sslcon->vhost_found > 0 ? APR_SUCCESS : APR_NOTFOUND;
}
+ sslcon->vhost_found = -1;
- servername = SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name);
+ if (!servername) {
+ servername = SSL_get_servername(ssl, TLSEXT_NAMETYPE_host_name);
+ }
if (servername) {
if (ap_vhost_iterate_given_conn(c, ssl_find_vhost,
(void *)servername)) {
ap_log_cerror(APLOG_MARK, APLOG_DEBUG, 0, c, APLOGNO(02043)
"SSL virtual host for servername %s found",
servername);
-
+
+ sslcon->vhost_found = +1;
return APR_SUCCESS;
}
else if (ssl_is_challenge(c, servername, &cert, &key)) {
@@ -2428,11 +2431,72 @@ static apr_status_t init_vhost(conn_rec *c, SSL *ssl)
int ssl_callback_ServerNameIndication(SSL *ssl, int *al, modssl_ctx_t *mctx)
{
conn_rec *c = (conn_rec *)SSL_get_app_data(ssl);
- apr_status_t status = init_vhost(c, ssl);
+ apr_status_t status = init_vhost(c, ssl, NULL);
return (status == APR_SUCCESS)? SSL_TLSEXT_ERR_OK : SSL_TLSEXT_ERR_NOACK;
}
+#if OPENSSL_VERSION_NUMBER >= 0x10101000L && !defined(LIBRESSL_VERSION_NUMBER)
+/*
+ * This callback function is called when the ClientHello is received.
+ */
+int ssl_callback_ClientHello(SSL *ssl, int *al, void *arg)
+{
+ char *servername = NULL;
+ conn_rec *c = (conn_rec *)SSL_get_app_data(ssl);
+ const unsigned char *pos;
+ size_t len, remaining;
+ (void)arg;
+
+ /* We can't use SSL_get_servername() at this earliest OpenSSL connection
+ * stage, and there is no SSL_client_hello_get0_servername() provided as
+ * of OpenSSL 1.1.1. So the code below, that extracts the SNI from the
+ * ClientHello's TLS extensions, is taken from some test code in OpenSSL,
+ * i.e. client_hello_select_server_ctx() in "test/handshake_helper.c".
+ */
+
+ /*
+ * The server_name extension was given too much extensibility when it
+ * was written, so parsing the normal case is a bit complex.
+ */
+ if (!SSL_client_hello_get0_ext(ssl, TLSEXT_TYPE_server_name, &pos,
+ &remaining)
+ || remaining <= 2)
+ goto give_up;
+
+ /* Extract the length of the supplied list of names. */
+ len = (*(pos++) << 8);
+ len += *(pos++);
+ if (len + 2 != remaining)
+ goto give_up;
+ remaining = len;
+
+ /*
+ * The list in practice only has a single element, so we only consider
+ * the first one.
+ */
+ if (remaining <= 3 || *pos++ != TLSEXT_NAMETYPE_host_name)
+ goto give_up;
+ remaining--;
+
+ /* Now we can finally pull out the byte array with the actual hostname. */
+ len = (*(pos++) << 8);
+ len += *(pos++);
+ if (len + 2 != remaining)
+ goto give_up;
+
+ /* Use the SNI to switch to the relevant vhost, should it differ from
+ * c->base_server.
+ */
+ servername = apr_pstrmemdup(c->pool, (const char *)pos, len);
+
+give_up:
+ init_vhost(c, ssl, servername);
+ return SSL_CLIENT_HELLO_SUCCESS;
+}
+#endif /* OPENSSL_VERSION_NUMBER < 0x10101000L */
+
+
/*
* Find a (name-based) SSL virtual host where either the ServerName
* or one of the ServerAliases matches the supplied name (to be used
@@ -2452,12 +2516,25 @@ static int ssl_find_vhost(void *servername, conn_rec *c, server_rec *s)
if (found && (ssl = sslcon->ssl) &&
(sc = mySrvConfig(s))) {
SSL_CTX *ctx = SSL_set_SSL_CTX(ssl, sc->server->ssl_ctx);
+
/*
* SSL_set_SSL_CTX() only deals with the server cert,
* so we need to duplicate a few additional settings
* from the ctx by hand
*/
SSL_set_options(ssl, SSL_CTX_get_options(ctx));
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L \
+ && (!defined(LIBRESSL_VERSION_NUMBER) \
+ || LIBRESSL_VERSION_NUMBER >= 0x20800000L)
+ /*
+ * Don't switch the protocol if none is configured for this vhost,
+ * the default in this case is still the base server's SSLProtocol.
+ */
+ if (myCtxConfig(sslcon, sc)->protocol_set) {
+ SSL_set_min_proto_version(ssl, SSL_CTX_get_min_proto_version(ctx));
+ SSL_set_max_proto_version(ssl, SSL_CTX_get_max_proto_version(ctx));
+ }
+#endif
if ((SSL_get_verify_mode(ssl) == SSL_VERIFY_NONE) ||
(SSL_num_renegotiations(ssl) == 0)) {
/*
@@ -2654,7 +2731,7 @@ int ssl_callback_alpn_select(SSL *ssl,
* they callback the SNI. We need to make sure that we know which vhost
* we are dealing with so we respect the correct protocols.
*/
- init_vhost(c, ssl);
+ init_vhost(c, ssl, NULL);
proposed = ap_select_protocol(c, NULL, sslconn->server, client_protos);
if (!proposed) {
diff --git a/modules/ssl/ssl_private.h b/modules/ssl/ssl_private.h
index 8055200..f8a1db7 100644
--- a/modules/ssl/ssl_private.h
+++ b/modules/ssl/ssl_private.h
@@ -563,6 +563,7 @@ typedef struct {
const char *cipher_suite; /* cipher suite used in last reneg */
int service_unavailable; /* thouugh we negotiate SSL, no requests will be served */
+ int vhost_found; /* whether we found vhost from SNI already */
} SSLConnRec;
/* BIG FAT WARNING: SSLModConfigRec has unusual memory lifetime: it is
@@ -946,6 +947,9 @@ void ssl_callback_Info(const SSL *, int, int);
#ifdef HAVE_TLSEXT
int ssl_callback_ServerNameIndication(SSL *, int *, modssl_ctx_t *);
#endif
+#if OPENSSL_VERSION_NUMBER >= 0x10101000L && !defined(LIBRESSL_VERSION_NUMBER)
+int ssl_callback_ClientHello(SSL *, int *, void *);
+#endif
#ifdef HAVE_TLS_SESSION_TICKETS
int ssl_callback_SessionTicket(SSL *, unsigned char *, unsigned char *,
EVP_CIPHER_CTX *, HMAC_CTX *, int);

188
SOURCES/httpd-2.4.37-reply-two-tls-rec.patch
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@ -1,188 +0,0 @@
diff --git a/modules/ssl/ssl_engine_io.c b/modules/ssl/ssl_engine_io.c
index 018b667..4e3875a 100644
--- a/modules/ssl/ssl_engine_io.c
+++ b/modules/ssl/ssl_engine_io.c
@@ -1598,18 +1598,32 @@ static apr_status_t ssl_io_filter_input(ap_filter_t *f,
}
-/* ssl_io_filter_output() produces one SSL/TLS message per bucket
+/* ssl_io_filter_output() produces one SSL/TLS record per bucket
* passed down the output filter stack. This results in a high
- * overhead (network packets) for any output comprising many small
- * buckets. SSI page applied through the HTTP chunk filter, for
- * example, may produce many brigades containing small buckets -
- * [chunk-size CRLF] [chunk-data] [CRLF].
+ * overhead (more network packets & TLS processing) for any output
+ * comprising many small buckets. SSI output passed through the HTTP
+ * chunk filter, for example, may produce many brigades containing
+ * small buckets - [chunk-size CRLF] [chunk-data] [CRLF].
*
- * The coalescing filter merges many small buckets into larger buckets
- * where possible, allowing the SSL I/O output filter to handle them
- * more efficiently. */
+ * Sending HTTP response headers as a separate TLS record to the
+ * response body also reveals information to a network observer (the
+ * size of headers) which can be significant.
+ *
+ * The coalescing filter merges data buckets with the aim of producing
+ * fewer, larger TLS records - without copying/buffering all content
+ * and introducing unnecessary overhead.
+ *
+ * ### This buffering could be probably be done more comprehensively
+ * ### in ssl_io_filter_output itself.
+ *
+ * ### Another possible performance optimisation in particular for the
+ * ### [HEAP] [FILE] HTTP response case is using a brigade rather than
+ * ### a char array to buffer; using apr_brigade_write() to append
+ * ### will use already-allocated memory from the HEAP, reducing # of
+ * ### copies.
+ */
-#define COALESCE_BYTES (2048)
+#define COALESCE_BYTES (AP_IOBUFSIZE)
struct coalesce_ctx {
char buffer[COALESCE_BYTES];
@@ -1622,11 +1636,12 @@ static apr_status_t ssl_io_filter_coalesce(ap_filter_t *f,
apr_bucket *e, *upto;
apr_size_t bytes = 0;
struct coalesce_ctx *ctx = f->ctx;
+ apr_size_t buffered = ctx ? ctx->bytes : 0; /* space used on entry */
unsigned count = 0;
/* The brigade consists of zero-or-more small data buckets which
- * can be coalesced (the prefix), followed by the remainder of the
- * brigade.
+ * can be coalesced (referred to as the "prefix"), followed by the
+ * remainder of the brigade.
*
* Find the last bucket - if any - of that prefix. count gives
* the number of buckets in the prefix. The "prefix" must contain
@@ -1641,24 +1656,97 @@ static apr_status_t ssl_io_filter_coalesce(ap_filter_t *f,
e != APR_BRIGADE_SENTINEL(bb)
&& !APR_BUCKET_IS_METADATA(e)
&& e->length != (apr_size_t)-1
- && e->length < COALESCE_BYTES
- && (bytes + e->length) < COALESCE_BYTES
- && (ctx == NULL
- || bytes + ctx->bytes + e->length < COALESCE_BYTES);
+ && e->length <= COALESCE_BYTES
+ && (buffered + bytes + e->length) <= COALESCE_BYTES;
e = APR_BUCKET_NEXT(e)) {
if (e->length) count++; /* don't count zero-length buckets */
bytes += e->length;
}
+
+ /* If there is room remaining and the next bucket is a data
+ * bucket, try to include it in the prefix to coalesce. For a
+ * typical [HEAP] [FILE] HTTP response brigade, this handles
+ * merging the headers and the start of the body into a single TLS
+ * record. */
+ if (bytes + buffered > 0
+ && bytes + buffered < COALESCE_BYTES
+ && e != APR_BRIGADE_SENTINEL(bb)
+ && !APR_BUCKET_IS_METADATA(e)) {
+ apr_status_t rv = APR_SUCCESS;
+
+ /* For an indeterminate length bucket (PIPE/CGI/...), try a
+ * non-blocking read to have it morph into a HEAP. If the
+ * read fails with EAGAIN, it is harmless to try a split
+ * anyway, split is ENOTIMPL for most PIPE-like buckets. */
+ if (e->length == (apr_size_t)-1) {
+ const char *discard;
+ apr_size_t ignore;
+
+ rv = apr_bucket_read(e, &discard, &ignore, APR_NONBLOCK_READ);
+ if (rv != APR_SUCCESS && !APR_STATUS_IS_EAGAIN(rv)) {
+ ap_log_cerror(APLOG_MARK, APLOG_ERR, rv, f->c, APLOGNO(10232)
+ "coalesce failed to read from %s bucket",
+ e->type->name);
+ return AP_FILTER_ERROR;
+ }
+ }
+
+ if (rv == APR_SUCCESS) {
+ /* If the read above made the bucket morph, it may now fit
+ * entirely within the buffer. Otherwise, split it so it does
+ * fit. */
+ if (e->length > COALESCE_BYTES
+ || e->length + buffered + bytes > COALESCE_BYTES) {
+ rv = apr_bucket_split(e, COALESCE_BYTES - (buffered + bytes));
+ }
+
+ if (rv == APR_SUCCESS && e->length == 0) {
+ /* As above, don't count in the prefix if the bucket is
+ * now zero-length. */
+ }
+ else if (rv == APR_SUCCESS) {
+ ap_log_cerror(APLOG_MARK, APLOG_TRACE4, 0, f->c,
+ "coalesce: adding %" APR_SIZE_T_FMT " bytes "
+ "from split %s bucket, total %" APR_SIZE_T_FMT,
+ e->length, e->type->name, bytes + buffered);
+
+ count++;
+ bytes += e->length;
+ e = APR_BUCKET_NEXT(e);
+ }
+ else if (rv != APR_ENOTIMPL) {
+ ap_log_cerror(APLOG_MARK, APLOG_ERR, rv, f->c, APLOGNO(10233)
+ "coalesce: failed to split data bucket");
+ return AP_FILTER_ERROR;
+ }
+ }
+ }
+
+ /* The prefix is zero or more buckets. upto now points to the
+ * bucket AFTER the end of the prefix, which may be the brigade
+ * sentinel. */
upto = e;
- /* Coalesce the prefix, if:
- * a) more than one bucket is found to coalesce, or
- * b) the brigade contains only a single data bucket, or
- * c) the data bucket is not last but we have buffered data already.
+ /* Coalesce the prefix, if any of the following are true:
+ *
+ * a) the prefix is more than one bucket
+ * OR
+ * b) the prefix is the entire brigade, which is a single bucket
+ * AND the prefix length is smaller than the buffer size,
+ * OR
+ * c) the prefix is a single bucket
+ * AND there is buffered data from a previous pass.
+ *
+ * The aim with (b) is to buffer a small bucket so it can be
+ * coalesced with future invocations of this filter. e.g. three
+ * calls each with a single 100 byte HEAP bucket should get
+ * coalesced together. But an invocation with a 8192 byte HEAP
+ * should pass through untouched.
*/
if (bytes > 0
&& (count > 1
- || (upto == APR_BRIGADE_SENTINEL(bb))
+ || (upto == APR_BRIGADE_SENTINEL(bb)
+ && bytes < COALESCE_BYTES)
|| (ctx && ctx->bytes > 0))) {
/* If coalescing some bytes, ensure a context has been
* created. */
@@ -1669,7 +1757,8 @@ static apr_status_t ssl_io_filter_coalesce(ap_filter_t *f,
ap_log_cerror(APLOG_MARK, APLOG_TRACE4, 0, f->c,
"coalesce: have %" APR_SIZE_T_FMT " bytes, "
- "adding %" APR_SIZE_T_FMT " more", ctx->bytes, bytes);
+ "adding %" APR_SIZE_T_FMT " more (buckets=%u)",
+ ctx->bytes, bytes, count);
/* Iterate through the prefix segment. For non-fatal errors
* in this loop it is safe to break out and fall back to the
@@ -1684,7 +1773,8 @@ static apr_status_t ssl_io_filter_coalesce(ap_filter_t *f,
if (APR_BUCKET_IS_METADATA(e)
|| e->length == (apr_size_t)-1) {
ap_log_cerror(APLOG_MARK, APLOG_ERR, 0, f->c, APLOGNO(02012)
- "unexpected bucket type during coalesce");
+ "unexpected %s bucket during coalesce",
+ e->type->name);
break; /* non-fatal error; break out */
}

178
SOURCES/httpd-2.4.37-usertrack-samesite.patch
View File

@ -1,178 +0,0 @@
diff --git a/docs/manual/mod/mod_usertrack.html.en b/docs/manual/mod/mod_usertrack.html.en
index b212747..d2da9b9 100644
--- a/docs/manual/mod/mod_usertrack.html.en
+++ b/docs/manual/mod/mod_usertrack.html.en
@@ -47,7 +47,10 @@
<ul id="toc">
<li><img alt="" src="../images/down.gif" /> <a href="#cookiedomain">CookieDomain</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cookieexpires">CookieExpires</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#cookiehttponly">CookieHTTPOnly</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cookiename">CookieName</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#cookiesamesite">CookieSameSite</a></li>
+<li><img alt="" src="../images/down.gif" /> <a href="#cookiesecure">CookieSecure</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cookiestyle">CookieStyle</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cookietracking">CookieTracking</a></li>
</ul>
@@ -127,6 +130,22 @@ CustomLog "logs/clickstream.log" usertrack</pre>
<pre class="prettyprint lang-config">CookieExpires "3 weeks"</pre>
+</div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="CookieHTTPOnly" id="CookieHTTPOnly">CookieHTTPOnly</a> <a name="cookiehttponly" id="cookiehttponly">Directive</a></h2>
+<table class="directive">
+<tbody><tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Adds the 'HTTPOnly' attribute to the cookie</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CookieHTTPOnly on|off</code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>CookieHTTPOnly off</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
+<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_usertrack</td></tr>
+</tbody></table>
+ <p>When set to 'ON', the 'HTTPOnly' cookie attribute is added to this
+ modules tracking cookie. This attribute instructs browsers to block javascript
+ from reading the value of the cookie.</p>
+
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CookieName" id="CookieName">CookieName</a> <a name="cookiename" id="cookiename">Directive</a></h2>
@@ -150,6 +169,45 @@ CustomLog "logs/clickstream.log" usertrack</pre>
<pre class="prettyprint lang-config">CookieName clicktrack</pre>
+</div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="CookieSameSite" id="CookieSameSite">CookieSameSite</a> <a name="cookiesamesite" id="cookiesamesite">Directive</a></h2>
+<table class="directive">
+<tbody><tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Adds the 'SameSite' attribute to the cookie</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CookieSameSite None|Lax|Strict</code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>unset</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
+<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_usertrack</td></tr>
+</tbody></table>
+ <p>When set to 'None', 'Lax', or 'Strict', the 'SameSite' cookie attribute
+ is added to this modules tracking cookie with the corresponding value.
+ This attribute instructs browser on how to treat the cookie when it is
+ requested in a cross-site context.</p>
+
+ <div class="note">
+ <p>A value of 'None' sets 'SameSite=None', which is the most liberal setting. To
+ omit this attribute, omit the directive entirely.</p>
+ </div>
+
+
+</div>
+<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
+<div class="directive-section"><h2><a name="CookieSecure" id="CookieSecure">CookieSecure</a> <a name="cookiesecure" id="cookiesecure">Directive</a></h2>
+<table class="directive">
+<tbody><tr><th><a href="directive-dict.html#Description">Description:</a></th><td>Adds the 'Secure' attribute to the cookie</td></tr>
+<tr><th><a href="directive-dict.html#Syntax">Syntax:</a></th><td><code>CookieSecure on|off</code></td></tr>
+<tr><th><a href="directive-dict.html#Default">Default:</a></th><td><code>CookieSecure off</code></td></tr>
+<tr><th><a href="directive-dict.html#Context">Context:</a></th><td>server config, virtual host, directory, .htaccess</td></tr>
+<tr><th><a href="directive-dict.html#Override">Override:</a></th><td>FileInfo</td></tr>
+<tr><th><a href="directive-dict.html#Status">Status:</a></th><td>Extension</td></tr>
+<tr><th><a href="directive-dict.html#Module">Module:</a></th><td>mod_usertrack</td></tr>
+</tbody></table>
+ <p>When set to 'ON', the 'Secure' cookie attribute is added to this
+ modules tracking cookie. This attribute instructs browsers to only
+ transmit the cookie over HTTPS.</p>
+
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CookieStyle" id="CookieStyle">CookieStyle</a> <a name="cookiestyle" id="cookiestyle">Directive</a></h2>
diff --git a/modules/metadata/mod_usertrack.c b/modules/metadata/mod_usertrack.c
index 73a9f45..65759c2 100644
--- a/modules/metadata/mod_usertrack.c
+++ b/modules/metadata/mod_usertrack.c
@@ -86,6 +86,9 @@ typedef struct {
const char *cookie_domain;
char *regexp_string; /* used to compile regexp; save for debugging */
ap_regex_t *regexp; /* used to find usertrack cookie in cookie header */
+ int is_secure;
+ int is_httponly;
+ const char *samesite;
} cookie_dir_rec;
/* Make Cookie: Now we have to generate something that is going to be
@@ -143,6 +146,21 @@ static void make_cookie(request_rec *r)
: ""),
NULL);
}
+ if (dcfg->samesite != NULL) {
+ new_cookie = apr_pstrcat(r->pool, new_cookie, "; ",
+ dcfg->samesite,
+ NULL);
+ }
+ if (dcfg->is_secure) {
+ new_cookie = apr_pstrcat(r->pool, new_cookie, "; Secure",
+ NULL);
+ }
+ if (dcfg->is_httponly) {
+ new_cookie = apr_pstrcat(r->pool, new_cookie, "; HttpOnly",
+ NULL);
+ }
+
+
apr_table_addn(r->err_headers_out,
(dcfg->style == CT_COOKIE2 ? "Set-Cookie2" : "Set-Cookie"),
@@ -269,6 +287,7 @@ static void *make_cookie_dir(apr_pool_t *p, char *d)
dcfg->cookie_domain = NULL;
dcfg->style = CT_UNSET;
dcfg->enabled = 0;
+ /* calloc'ed to disabled: samesite, is_secure, is_httponly */
/* In case the user does not use the CookieName directive,
* we need to compile the regexp for the default cookie name. */
@@ -429,6 +448,31 @@ static const char *set_cookie_style(cmd_parms *cmd, void *mconfig,
return NULL;
}
+/*
+ * SameSite enabled disabled
+ */
+
+static const char *set_samesite_value(cmd_parms *cmd, void *mconfig,
+ const char *name)
+{
+ cookie_dir_rec *dcfg;
+
+ dcfg = (cookie_dir_rec *) mconfig;
+
+ if (strcasecmp(name, "strict") == 0) {
+ dcfg->samesite = "SameSite=Strict";
+ } else if (strcasecmp(name, "lax") == 0) {
+ dcfg->samesite = "SameSite=Lax";
+ } else if (strcasecmp(name, "none") == 0) {
+ dcfg->samesite = "SameSite=None";
+ } else {
+ return "CookieSameSite accepts 'Strict', 'Lax', or 'None'";
+ }
+
+
+ return NULL;
+}
+
static const command_rec cookie_log_cmds[] = {
AP_INIT_TAKE1("CookieExpires", set_cookie_exp, NULL, OR_FILEINFO,
"an expiry date code"),
@@ -440,6 +484,17 @@ static const command_rec cookie_log_cmds[] = {
"whether or not to enable cookies"),
AP_INIT_TAKE1("CookieName", set_cookie_name, NULL, OR_FILEINFO,
"name of the tracking cookie"),
+ AP_INIT_FLAG("CookieTracking", set_cookie_enable, NULL, OR_FILEINFO,
+ "whether or not to enable cookies"),
+ AP_INIT_TAKE1("CookieSameSite", set_samesite_value, NULL, OR_FILEINFO,
+ "SameSite setting"),
+ AP_INIT_FLAG("CookieSecure", ap_set_flag_slot,
+ (void *)APR_OFFSETOF(cookie_dir_rec, is_secure), OR_FILEINFO,
+ "is cookie secure"),
+ AP_INIT_FLAG("CookieHttpOnly", ap_set_flag_slot,
+ (void *)APR_OFFSETOF(cookie_dir_rec, is_httponly),OR_FILEINFO,
+ "is cookie http only"),
+
{NULL}
};

2
SOURCES/welcome.conf
View File

@ -16,4 +16,4 @@
</Directory>
Alias /.noindex.html /usr/share/httpd/noindex/index.html
Alias /poweredby.png /usr/share/httpd/icons/apache_pb3.png
Alias /poweredby.png /usr/share/httpd/icons/apache_pb2.png

61
SPECS/httpd.spec
View File

@ -13,7 +13,7 @@
Summary: Apache HTTP Server
Name: httpd
Version: 2.4.37
Release: 43%{?dist}
Release: 39%{?dist}.2
URL: https://httpd.apache.org/
Source0: https://www.apache.org/dist/httpd/httpd-%{version}.tar.bz2
Source2: httpd.logrotate
@ -54,7 +54,6 @@ Source42: httpd-init.service
Source43: httpd-ssl-gencerts
Source44: httpd@.service
Source45: config.layout
Source46: apache-poweredby.png
# build/scripts patches
# http://bugzilla.redhat.com/show_bug.cgi?id=1231924
@ -102,8 +101,6 @@ Patch38: httpd-2.4.37-pr37355.patch
Patch39: httpd-2.4.37-proxy-ws-idle-timeout.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1883648
Patch40: httpd-2.4.37-ssl-proxy-chains.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1935742
Patch41: httpd-2.4.37-usertrack-samesite.patch
# Bug fixes
# https://bugzilla.redhat.com/show_bug.cgi?id=1397243
@ -153,12 +150,6 @@ Patch83: httpd-2.4.37-r1878890.patch
Patch84: httpd-2.4.37-r1878280.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1891594
Patch85: httpd-2.4.37-htcacheclean-dont-break.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1937334
Patch86: httpd-2.4.37-r1873907.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1680111
Patch87: httpd-2.4.37-reply-two-tls-rec.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1905613
Patch88: httpd-2.4.37-r1845768+.patch
# Security fixes
Patch200: httpd-2.4.37-r1851471.patch
@ -188,14 +179,10 @@ Patch209: httpd-2.4.37-CVE-2020-1934.patch
Patch210: httpd-2.4.37-CVE-2018-17199.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1866563
Patch211: httpd-2.4.37-CVE-2020-11984.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1972500
Patch212: httpd-2.4.37-CVE-2021-30641.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1968307
Patch213: httpd-2.4.37-CVE-2021-26690.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=2005117
Patch214: httpd-2.4.37-CVE-2021-40438.patch
Patch212: httpd-2.4.37-CVE-2021-40438.patch
# https://bugzilla.redhat.com/show_bug.cgi?id=1966732
Patch215: httpd-2.4.37-CVE-2021-26691.patch
Patch213: httpd-2.4.37-CVE-2021-26691.patch
License: ASL 2.0
Group: System Environment/Daemons
@ -205,8 +192,7 @@ BuildRequires: zlib-devel, libselinux-devel, lua-devel, brotli-devel
BuildRequires: apr-devel >= 1.5.0, apr-util-devel >= 1.5.0, pcre-devel >= 5.0
BuildRequires: systemd-devel
# web server testpage added to redhat-logos in 82.0 (rhbz1896319)
# new logo requires new footer copyring which was added in rhbz1934800
Requires: /etc/mime.types, system-logos(httpd-logo-ng)
Requires: /etc/mime.types, system-logos-httpd >= 82.0
Obsoletes: httpd-suexec
Provides: webserver
Provides: mod_dav = %{version}-%{release}, httpd-suexec = %{version}-%{release}
@ -346,7 +332,6 @@ interface for storing and accessing per-user session data.
%patch38 -p1 -b .pr37355
%patch39 -p1 -b .proxy-ws-idle-timeout
%patch40 -p1 -b .ssl-proxy-chains
%patch41 -p1 -b .usertrack-samesite
%patch61 -p1 -b .r1738878
%patch62 -p1 -b .r1633085
@ -371,9 +356,6 @@ interface for storing and accessing per-user session data.
%patch83 -p1 -b .r1878890
%patch84 -p1 -b .r1878280
%patch85 -p1 -b .htcacheclean-dont-break
%patch86 -p1 -b .r1873907
%patch87 -p1 -b .reply-two-tls-rec
%patch88 -p1 -b .r1845768+
%patch200 -p1 -b .r1851471
%patch201 -p1 -b .CVE-2019-0211
@ -387,10 +369,8 @@ interface for storing and accessing per-user session data.
%patch209 -p1 -b .CVE-2020-1934
%patch210 -p1 -b .CVE-2018-17199
%patch211 -p1 -b .CVE-2020-11984
%patch212 -p1 -b .CVE-2021-30641
%patch213 -p1 -b .CVE-2021-26690
%patch214 -p1 -b .CVE-2021-40438
%patch215 -p1 -b .CVE-2021-26691
%patch212 -p1 -b .CVE-2021-40438
%patch213 -p1 -b .CVE-2021-26691
# Patch in the vendor string
sed -i '/^#define PLATFORM/s/Unix/%{vstring}/' os/unix/os.h
@ -417,9 +397,6 @@ if test "x${vmmn}" != "x%{mmn}"; then
exit 1
fi
# A new logo which comes together with a new test page
cp %{SOURCE46} ./docs/icons/apache_pb3.png
# Provide default layout
cp $RPM_SOURCE_DIR/config.layout .
@ -896,30 +873,16 @@ rm -rf $RPM_BUILD_ROOT
%{_rpmconfigdir}/macros.d/macros.httpd
%changelog
* Tue Oct 26 2021 Luboš Uhliarik <luhliari@redhat.com> - 2.4.37-43
- Related: #2007235 - CVE-2021-40438 httpd:2.4/httpd: mod_proxy: SSRF via
a crafted request uri-path
* Fri Oct 29 2021 Luboš Uhliarik <luhliari@redhat.com> - 2.4.37-39.2
- Resolves: #2017856 - proxy rewrite to unix socket fails with CVE-2021-40438
fix
* Thu Sep 30 2021 Luboš Uhliarik <luhliari@redhat.com> - 2.4.37-42
- Resolves: #2007235 - CVE-2021-40438 httpd:2.4/httpd: mod_proxy: SSRF via
* Thu Sep 30 2021 Luboš Uhliarik <luhliari@redhat.com> - 2.4.37-39.1
- Resolves: #2007234 - CVE-2021-40438 httpd:2.4/httpd: mod_proxy: SSRF via
a crafted request uri-path
- Resolves: #2014063 - CVE-2021-26691 httpd:2.4/httpd: Heap overflow in
- Resolves: #2007646 - CVE-2021-26691 httpd:2.4/httpd: Heap overflow in
mod_session
* Fri Jul 09 2021 Luboš Uhliarik <luhliari@redhat.com> - 2.4.37-41
- Resolves: #1680111 - httpd sends reply to HTTPS GET using two TLS records
- Resolves: #1905613 - mod_ssl does not like valid certificate chain
- Resolves: #1935742 - [RFE] backport samesite/httponly/secure flags for
usertrack
- Resolves: #1972500 - CVE-2021-30641 httpd:2.4/httpd: MergeSlashes regression
- Resolves: #1968307 - CVE-2021-26690 httpd:2.4/httpd: mod_session NULL pointer
dereference in parser
- Resolves: #1934741 - Apache trademark update - new logo
* Fri May 14 2021 Lubos Uhliarik <luhliari@redhat.com> - 2.4.37-40
- Resolves: #1952557 - mod_proxy_wstunnel.html is a malformed XML
- Resolves: #1937334 - SSLProtocol with based virtual hosts
* Tue Jan 26 2021 Artem Egorenkov <aegorenk@redhat.com> - 2.4.37-39
- prevent htcacheclean from while break when first file processed