When receiving http on https, send the error response with http 1.0
It is important that we send a proper error status, or search engines
may index the error message.
Remove the link in the speaking-http-on-https error message.
With SNI, the link will usually be wrong. So better send no link at all.
PR: 50823
Reviewed by: sf, jorton, trawick
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@
1334346 13f79535-47bb-0310-9956-
ffa450edef68
Changes with Apache 2.4.3
+ *) mod_ssl: Send the error message for speaking http to an https port using
+ HTTP/1.0 instead of HTTP/0.9, and omit the link that may be wrong when
+ using SNI. PR 50823. [Stefan Fritsch]
+
*) core: Fix segfault in logging if r->useragent_addr or c->client_addr is
unset. [Stefan Fritsch]
PATCHES ACCEPTED TO BACKPORT FROM TRUNK:
[ start all new proposals below, under PATCHES PROPOSED. ]
- * mod_ssl: Send speaking-http-on-https-port error response with http 1.0,
- not 0.9. Remove potentially wrong link. PR 50823
- trunk patches: http://svn.apache.org/viewvc?rev=1328325&view=rev
- http://svn.apache.org/viewvc?rev=1328326&view=rev
- 2.4 patch: Trunk patch works
- +1: sf, jorton, trawick
PATCHES PROPOSED TO BACKPORT FROM TRUNK:
[ New proposals should be added at the end of the list ]
/* Just use a simple request. Any request will work for this, because
* we use a flag in the conn_rec->conn_vector now. The fake request just
* gets the request back to the Apache core so that a response can be sent.
- *
- * To avoid calling back for more data from the socket, use an HTTP/0.9
- * request, and tack on an EOS bucket.
+ * Since we use an HTTP/1.x request, we also have to inject the empty line
+ * that terminates the headers, or the core will read more data from the
+ * socket.
*/
#define HTTP_ON_HTTPS_PORT \
- "GET /" CRLF
+ "GET / HTTP/1.0" CRLF
#define HTTP_ON_HTTPS_PORT_BUCKET(alloc) \
apr_bucket_immortal_create(HTTP_ON_HTTPS_PORT, \
{
SSLConnRec *sslconn = myConnConfig(f->c);
apr_bucket *bucket;
+ int send_eos = 1;
switch (status) {
case MODSSL_ERROR_HTTP_ON_HTTPS:
"trying to send HTML error page");
ssl_log_ssl_error(SSLLOG_MARK, APLOG_INFO, sslconn->server);
- sslconn->non_ssl_request = 1;
+ sslconn->non_ssl_request = NON_SSL_SEND_HDR_SEP;
ssl_io_filter_disable(sslconn, f);
/* fake the request line */
bucket = HTTP_ON_HTTPS_PORT_BUCKET(f->c->bucket_alloc);
+ send_eos = 0;
break;
case MODSSL_ERROR_BAD_GATEWAY:
}
APR_BRIGADE_INSERT_TAIL(bb, bucket);
- bucket = apr_bucket_eos_create(f->c->bucket_alloc);
- APR_BRIGADE_INSERT_TAIL(bb, bucket);
-
+ if (send_eos) {
+ bucket = apr_bucket_eos_create(f->c->bucket_alloc);
+ APR_BRIGADE_INSERT_TAIL(bb, bucket);
+ }
return APR_SUCCESS;
}
}
if (!inctx->ssl) {
+ SSLConnRec *sslconn = myConnConfig(f->c);
+ if (sslconn->non_ssl_request == NON_SSL_SEND_HDR_SEP) {
+ apr_bucket *bucket = apr_bucket_immortal_create(CRLF, 2, f->c->bucket_alloc);
+ APR_BRIGADE_INSERT_TAIL(bb, bucket);
+ sslconn->non_ssl_request = NON_SSL_SET_ERROR_MSG;
+ return APR_SUCCESS;
+ }
return ap_get_brigade(f->next, bb, mode, block, readbytes);
}
return DECLINED;
}
- if (sslconn->non_ssl_request) {
- const char *errmsg;
- char *thisurl;
- char *thisport = "";
- int port = ap_get_server_port(r);
-
- if (!ap_is_default_port(port, r)) {
- thisport = apr_psprintf(r->pool, ":%u", port);
- }
-
- thisurl = ap_escape_html(r->pool,
- apr_psprintf(r->pool, "https://%s%s/",
- ap_get_server_name_for_url(r),
- thisport));
-
- errmsg = apr_psprintf(r->pool,
- "Reason: You're speaking plain HTTP "
- "to an SSL-enabled server port.<br />\n"
- "Instead use the HTTPS scheme to access "
- "this URL, please.<br />\n"
- "<blockquote>Hint: "
- "<a href=\"%s\"><b>%s</b></a></blockquote>",
- thisurl, thisurl);
-
- apr_table_setn(r->notes, "error-notes", errmsg);
+ if (sslconn->non_ssl_request == NON_SSL_SET_ERROR_MSG) {
+ apr_table_setn(r->notes, "error-notes",
+ "Reason: You're speaking plain HTTP to an SSL-enabled "
+ "server port.<br />\n Instead use the HTTPS scheme to "
+ "access this URL, please.<br />\n");
/* Now that we have caught this error, forget it. we are done
* with using SSL on this request.
*/
- sslconn->non_ssl_request = 0;
-
+ sslconn->non_ssl_request = NON_SSL_OK;
return HTTP_BAD_REQUEST;
}
int verify_depth;
int is_proxy;
int disabled;
- int non_ssl_request;
+ enum {
+ NON_SSL_OK = 0, /* is SSL request, or error handling completed */
+ NON_SSL_SEND_HDR_SEP, /* Need to send the header separator */
+ NON_SSL_SET_ERROR_MSG /* Need to set the error message */
+ } non_ssl_request;
/* Track the handshake/renegotiation state for the connection so
* that all client-initiated renegotiations can be rejected, as a