diff options
Diffstat (limited to 'src/tools/tor-fw-helper/tor-fw-helper-upnp.c')
| -rw-r--r-- | src/tools/tor-fw-helper/tor-fw-helper-upnp.c | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/src/tools/tor-fw-helper/tor-fw-helper-upnp.c b/src/tools/tor-fw-helper/tor-fw-helper-upnp.c deleted file mode 100644 index e5495c906e..0000000000 --- a/src/tools/tor-fw-helper/tor-fw-helper-upnp.c +++ /dev/null @@ -1,193 +0,0 @@ -/* Copyright (c) 2010, Jacob Appelbaum, Steven J. Murdoch. - * Copyright (c) 2010-2015, The Tor Project, Inc. */ -/* See LICENSE for licensing information */ - -/** - * \file tor-fw-helper-upnp.c - * \brief The implementation of our UPnP firewall helper. - **/ - -#include "orconfig.h" -#ifdef MINIUPNPC -#ifdef _WIN32 -#define STATICLIB -#endif -#include <stdint.h> -#include <string.h> -#include <stdio.h> - -#include <assert.h> - -#include "compat.h" -#include "tor-fw-helper.h" -#include "tor-fw-helper-upnp.h" - -/** UPnP timeout value. */ -#define UPNP_DISCOVER_TIMEOUT 2000 -/** Description of the port mapping in the UPnP table. */ -#define UPNP_DESC "Tor relay" - -/* XXX TODO: We should print these as a useful user string when we return the - * number to a user */ -/** Magic numbers as miniupnpc return codes. */ -#define UPNP_ERR_SUCCESS 0 -#define UPNP_ERR_NODEVICESFOUND 1 -#define UPNP_ERR_NOIGDFOUND 2 -#define UPNP_ERR_ADDPORTMAPPING 3 -#define UPNP_ERR_GETPORTMAPPING 4 -#define UPNP_ERR_DELPORTMAPPING 5 -#define UPNP_ERR_GETEXTERNALIP 6 -#define UPNP_ERR_INVAL 7 -#define UPNP_ERR_OTHER 8 -#define UPNP_SUCCESS 1 - -/** This hooks miniupnpc into our multi-backend API. */ -static tor_fw_backend_t tor_miniupnp_backend = { - "miniupnp", - sizeof(struct miniupnpc_state_t), - tor_upnp_init, - tor_upnp_cleanup, - tor_upnp_fetch_public_ip, - tor_upnp_add_tcp_mapping -}; - -/** Return the backend for miniupnp. */ -const tor_fw_backend_t * -tor_fw_get_miniupnp_backend(void) -{ - return &tor_miniupnp_backend; -} - -/** Initialize the UPnP backend and store the results in - * <b>backend_state</b>.*/ -int -tor_upnp_init(tor_fw_options_t *options, void *backend_state) -{ - /* - This leaks the user agent from the client to the router - perhaps we don't - want to do that? eg: - - User-Agent: Ubuntu/10.04, UPnP/1.0, MiniUPnPc/1.4 - - */ - miniupnpc_state_t *state = (miniupnpc_state_t *) backend_state; - struct UPNPDev *devlist; - int r; - - memset(&(state->urls), 0, sizeof(struct UPNPUrls)); - memset(&(state->data), 0, sizeof(struct IGDdatas)); - state->init = 0; - -#ifdef MINIUPNPC15 - devlist = upnpDiscover(UPNP_DISCOVER_TIMEOUT, NULL, NULL, 0); -#else - devlist = upnpDiscover(UPNP_DISCOVER_TIMEOUT, NULL, NULL, 0, 0, NULL); -#endif - if (NULL == devlist) { - fprintf(stderr, "E: upnpDiscover returned: NULL\n"); - return UPNP_ERR_NODEVICESFOUND; - } - - assert(options); - r = UPNP_GetValidIGD(devlist, &(state->urls), &(state->data), - state->lanaddr, UPNP_LANADDR_SZ); - fprintf(stderr, "tor-fw-helper: UPnP GetValidIGD returned: %d (%s)\n", r, - r==UPNP_SUCCESS?"SUCCESS":"FAILED"); - - freeUPNPDevlist(devlist); - - if (r != 1 && r != 2) - return UPNP_ERR_NOIGDFOUND; - - state->init = 1; - return UPNP_ERR_SUCCESS; -} - -/** Tear down the UPnP connection stored in <b>backend_state</b>.*/ -int -tor_upnp_cleanup(tor_fw_options_t *options, void *backend_state) -{ - - miniupnpc_state_t *state = (miniupnpc_state_t *) backend_state; - assert(options); - - if (state->init) - FreeUPNPUrls(&(state->urls)); - state->init = 0; - - return UPNP_ERR_SUCCESS; -} - -/** Fetch our likely public IP from our upstream UPnP IGD enabled NAT device. - * Use the connection context stored in <b>backend_state</b>. */ -int -tor_upnp_fetch_public_ip(tor_fw_options_t *options, void *backend_state) -{ - miniupnpc_state_t *state = (miniupnpc_state_t *) backend_state; - int r; - char externalIPAddress[16]; - - if (!state->init) { - r = tor_upnp_init(options, state); - if (r != UPNP_ERR_SUCCESS) - return r; - } - - r = UPNP_GetExternalIPAddress(state->urls.controlURL, - state->data.first.servicetype, - externalIPAddress); - - if (r != UPNPCOMMAND_SUCCESS) - goto err; - - if (externalIPAddress[0]) { - fprintf(stderr, "tor-fw-helper: ExternalIPAddress = %s\n", - externalIPAddress); tor_upnp_cleanup(options, state); - options->public_ip_status = 1; - return UPNP_ERR_SUCCESS; - } else { - goto err; - } - - err: - tor_upnp_cleanup(options, state); - return UPNP_ERR_GETEXTERNALIP; -} - -int -tor_upnp_add_tcp_mapping(uint16_t internal_port, uint16_t external_port, - int is_verbose, void *backend_state) -{ - int retval; - char internal_port_str[6]; - char external_port_str[6]; - miniupnpc_state_t *state = (miniupnpc_state_t *) backend_state; - - if (!state->init) { - fprintf(stderr, "E: %s but state is not initialized.\n", __func__); - return -1; - } - - if (is_verbose) - fprintf(stderr, "V: UPnP: internal port: %u, external port: %u\n", - internal_port, external_port); - - tor_snprintf(internal_port_str, sizeof(internal_port_str), - "%u", internal_port); - tor_snprintf(external_port_str, sizeof(external_port_str), - "%u", external_port); - - retval = UPNP_AddPortMapping(state->urls.controlURL, - state->data.first.servicetype, - external_port_str, internal_port_str, -#ifdef MINIUPNPC15 - state->lanaddr, UPNP_DESC, "TCP", 0); -#else - state->lanaddr, UPNP_DESC, "TCP", 0, 0); -#endif - - return (retval == UPNP_ERR_SUCCESS) ? 0 : -1; -} - -#endif - |