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TransProxyType replaces TransTPROXY option
I'm making this change now since ipfw will want its own option too, and proliferating options here isn't sensible. (See #10582 and #10267)
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@ -1,7 +1,7 @@
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o Minor features:
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- Add support for the TPROXY transparent proxying facility on Linux.
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See documentation for the new TransTRPOXY option for more details.
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See documentation for the new TransProxyType option for more details.
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Implementation by "thomo". Closes ticket 10582.
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@ -1183,18 +1183,22 @@ The following options are useful only for clients (that is, if
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compatibility, TransListenAddress is only allowed when TransPort is just
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a port number.)
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[[TransTPROXY]] **TransTPROXY** **0**|**1**::
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TransTPROXY may only be enabled when there is transparent proxy listener
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enabled and only for Linux.
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[[TransProxyType]] **TransProxyTYpe** **default**|**TPROXY**::
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TransProxyType may only be enabled when there is transparent proxy listener
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enabled.
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+
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Set this 1 if you wish to be able to use the TPROXY linux module to
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Set this to TPROXY if you wish to be able to use the TPROXY Linux module to
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transparently proxy connections that are configured using the TransPort
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option. This setting lets the listener on the TransPort accept connections
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for all addresses, even when the TransListenAddress is configured for an
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internal address. Detailed information on how to configure the TPROXY
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feature can be found in the Linux kernel source tree in the file
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feature can be found in the Linux kernel source tree in the file
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Documentation/networking/tproxy.txt.
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(Default: 0)
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+
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Set this to "default", or leave it unconfigured, to use regular IPTables
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on Linux, or to use pf on the *BSD operating systems.
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+
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(Default: "default".)
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[[NATDPort]] **NATDPort** \['address':]__port__|**auto** [_isolation flags_]::
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Open this port to listen for connections from old versions of ipfw (as
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@ -408,7 +408,7 @@ static config_var_t option_vars_[] = {
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OBSOLETE("TrafficShaping"),
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V(TransListenAddress, LINELIST, NULL),
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VPORT(TransPort, LINELIST, NULL),
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V(TransTPROXY, BOOL, "0"),
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V(TransProxyType, STRING, "default"),
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V(TunnelDirConns, BOOL, "1"),
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V(UpdateBridgesFromAuthority, BOOL, "0"),
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V(UseBridges, BOOL, "0"),
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@ -2517,19 +2517,30 @@ options_validate(or_options_t *old_options, or_options_t *options,
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"undefined, and there aren't any hidden services configured. "
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"Tor will still run, but probably won't do anything.");
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options->TransProxyType_parsed = TPT_DEFAULT;
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#ifdef USE_TRANSPARENT
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if (options->TransTPROXY) {
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if (options->TransProxyType) {
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if (!strcasecmp(options->TransProxyType, "default")) {
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options->TransProxyType_parsed = TPT_DEFAULT;
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} else if (!strcasecmp(options->TransProxyType, "tproxy")) {
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#ifndef __linux__
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REJECT("TransTPROXY is a Linux-specific feature.")
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REJECT("TPROXY is a Linux-specific feature.");
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#else
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options->TransProxyType_parsed = TPT_TPROXY;
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#endif
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if (!options->TransPort_set) {
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REJECT("Cannot use TransTPROXY without any valid TransPort or "
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} else {
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REJECT("Unrecognized value for TransProxyType");
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}
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if (strcasecmp(options->TransProxyType, "default") &&
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!options->TransPort_set) {
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REJECT("Cannot use TransProxyType without any valid TransPort or "
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"TransListenAddress.");
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}
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}
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#else
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if (options->TransPort_set || options->TransTPROXY)
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REJECT("TransPort, TransListenAddress, and TransTPROXY are disabled "
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if (options->TransPort_set)
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REJECT("TransPort and TransListenAddress are disabled "
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"in this build.");
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#endif
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@ -1036,7 +1036,8 @@ connection_listener_new(const struct sockaddr *listensockaddr,
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make_socket_reuseable(s);
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#if defined USE_TRANSPARENT && defined(IP_TRANSPARENT)
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if (options->TransTPROXY && type == CONN_TYPE_AP_TRANS_LISTENER) {
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if (options->TransProxyType_parsed == TPT_TPROXY &&
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type == CONN_TYPE_AP_TRANS_LISTENER) {
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int one = 1;
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if (setsockopt(s, SOL_IP, IP_TRANSPARENT, &one, sizeof(one)) < 0) {
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const char *extra = "";
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@ -3498,8 +3498,10 @@ typedef struct {
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config_line_t *SocksPort_lines;
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/** Ports to listen on for transparent pf/netfilter connections. */
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config_line_t *TransPort_lines;
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int TransTPROXY; /** < Boolean: are we going to listen for all destinations
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* on the TransPort_lines are required for TPROXY? */
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const char *TransProxyType; /**< What kind of transparent proxy
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* implementation are we using? */
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/** Parsed value of TransProxyType. */
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enum { TPT_DEFAULT, TPT_TPROXY } TransProxyType_parsed;
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config_line_t *NATDPort_lines; /**< Ports to listen on for transparent natd
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* connections. */
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config_line_t *ControlPort_lines; /**< Ports to listen on for control
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