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Merged
ReenigneArcher merged 1 commit into from
Jul 1, 2024
Merged

fix(upnp): support newer miniupnpc library #2782

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30 changes: 15 additions & 15 deletions src/upnp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -19,19 +19,6 @@
using namespace std::literals;

namespace upnp {
constexpr auto INET6_ADDRESS_STRLEN = 46;

constexpr auto PORT_MAPPING_LIFETIME = 3600s;
constexpr auto REFRESH_INTERVAL = 120s;

constexpr auto IPv4 = 0;
constexpr auto IPv6 = 1;

using device_t = util::safe_ptr<UPNPDev, freeUPNPDevlist>;

KITTY_USING_MOVE_T(urls_t, UPNPUrls, , {
FreeUPNPUrls(&el);
});

struct mapping_t {
struct {
Expand Down Expand Up @@ -59,6 +46,19 @@ namespace upnp {
return "Unknown status"sv;
}

/**
* This function is a wrapper around UPNP_GetValidIGD() that returns the status code. There is a pre-processor
* check to determine which version of the function to call based on the version of the MiniUPnPc library.
*/
int
UPNP_GetValidIGDStatus(device_t &device, urls_t *urls, IGDdatas *data, std::array<char, INET6_ADDRESS_STRLEN> &lan_addr) {
#if (MINIUPNPC_API_VERSION >= 18)
return UPNP_GetValidIGD(device.get(), &urls->el, data, lan_addr.data(), lan_addr.size(), nullptr, 0);
#else
return UPNP_GetValidIGD(device.get(), &urls->el, data, lan_addr.data(), lan_addr.size());
#endif
}

class deinit_t: public platf::deinit_t {
public:
deinit_t() {
Expand Down Expand Up @@ -109,7 +109,7 @@ namespace upnp {
IGDdatas data;
urls_t urls;
std::array<char, INET6_ADDRESS_STRLEN> lan_addr;
auto status = UPNP_GetValidIGD(device.get(), &urls.el, &data, lan_addr.data(), lan_addr.size());
auto status = upnp::UPNP_GetValidIGDStatus(device, &urls, &data, lan_addr);
if (status != 1 && status != 2) {
BOOST_LOG(debug) << "No valid IPv6 IGD: "sv << status_string(status);
return false;
Expand Down Expand Up @@ -331,7 +331,7 @@ namespace upnp {
std::array<char, INET6_ADDRESS_STRLEN> lan_addr;

urls_t urls;
auto status = UPNP_GetValidIGD(device.get(), &urls.el, &data, lan_addr.data(), lan_addr.size());
auto status = upnp::UPNP_GetValidIGDStatus(device, &urls, &data, lan_addr);
if (status != 1 && status != 2) {
BOOST_LOG(error) << status_string(status);
mapped = false;
Expand Down
31 changes: 30 additions & 1 deletion src/upnp.h
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Original file line number Diff line number Diff line change
Expand Up @@ -4,12 +4,41 @@
*/
#pragma once

#include <miniupnpc/miniupnpc.h>

#include "platform/common.h"

/**
* @brief UPnP port mapping.
*/
namespace upnp {
constexpr auto INET6_ADDRESS_STRLEN = 46;
constexpr auto IPv4 = 0;
constexpr auto IPv6 = 1;
constexpr auto PORT_MAPPING_LIFETIME = 3600s;
constexpr auto REFRESH_INTERVAL = 120s;

using device_t = util::safe_ptr<UPNPDev, freeUPNPDevlist>;

KITTY_USING_MOVE_T(urls_t, UPNPUrls, , {
FreeUPNPUrls(&el);
});

/**
* @brief Get the valid IGD status.
* @param device The device.
* @param urls The URLs.
* @param data The IGD data.
* @param lan_addr The LAN address.
* @return The UPnP Status.
* @retval 0 No IGD found.
* @retval 1 A valid connected IGD has been found.
* @retval 2 A valid IGD has been found but it reported as not connected.
* @retval 3 An UPnP device has been found but was not recognized as an IGD.
*/
int
UPNP_GetValidIGDStatus(device_t &device, urls_t *urls, IGDdatas *data, std::array<char, INET6_ADDRESS_STRLEN> &lan_addr);

[[nodiscard]] std::unique_ptr<platf::deinit_t>
start();
}
} // namespace upnp