Unverified Commit 728d20ed authored by teor's avatar teor
Browse files

connection_edge: Return a web page when HTTPTunnelPort is misconfigured 

Return an informative web page when the HTTPTunnelPort is used as an
HTTP proxy.

Closes ticket 27821, patch by "eighthave".
parent ef97e6c5

changes/ticket27821

0 → 100644
+3 −0
Original line number Diff line number Diff line 
  o Minor features (HTTP tunnel):

    - Return an informative web page when the HTTPTunnelPort is used as an

      HTTP proxy. Closes ticket 27821, patch by "eighthave".

src/core/or/connection_edge.c

+26 −1
Original line number Diff line number Diff line
@@ -2810,6 +2810,31 @@ connection_ap_process_natd(entry_connection_t *conn) 
  return connection_ap_rewrite_and_attach_if_allowed(conn, NULL, NULL);

}



static const char HTTP_CONNECT_IS_NOT_AN_HTTP_PROXY_MSG[] =

  "HTTP/1.0 405 Method Not Allowed\r\n";

  "Content-Type: text/html; charset=iso-8859-1\r\n\r\n"

  "<html>\n"

  "<head>\n"

  "<title>This is an HTTP CONNECT tunnel, not an full HTTP Proxy</title>\n"

  "</head>\n"

  "<body>\n"

  "<h1>This is an HTTP CONNECT tunnel, not an HTTP proxy.</h1>\n"

  "<p>\n"

  "It appears you have configured your web browser to use this Tor port as\n"

  "an HTTP proxy.\n"

  "</p><p>\n"

  "This is not correct: This port is configured as a CONNECT tunnel, not\n"

  "an HTTP proxy. Please configure your client accordingly.  You can also\n"

  "use HTTPS, then the client should automatically use HTTP CONNECT."

  "</p>\n"

  "<p>\n"

  "See <a href=\"https://www.torproject.org/documentation.html\">"

  "https://www.torproject.org/documentation.html</a> for more "

  "information.\n"

  "</p>\n"

  "</body>\n"

  "</html>\n";



/** Called on an HTTP CONNECT entry connection when some bytes have arrived,

 * but we have not yet received a full HTTP CONNECT request.  Try to parse an

 * HTTP CONNECT request from the connection's inbuf.  On success, set up the
@@ -2850,7 +2875,7 @@ connection_ap_process_http_connect(entry_connection_t *conn) 
  tor_assert(command);

  tor_assert(addrport);

  if (strcasecmp(command, "connect")) {

    errmsg = "HTTP/1.0 405 Method Not Allowed\r\n\r\n";

    errmsg = HTTP_CONNECT_IS_NOT_AN_HTTP_PROXY_MSG;

    goto err;

  }