mirror of https://github.com/PurpleI2P/i2pd.git
I2P: End-to-End encrypted and anonymous Internet
https://i2pd.website/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
576 lines
16 KiB
576 lines
16 KiB
/* |
|
* Copyright (c) 2013-2020, The PurpleI2P Project |
|
* |
|
* This file is part of Purple i2pd project and licensed under BSD3 |
|
* |
|
* See full license text in LICENSE file at top of project tree |
|
*/ |
|
|
|
#include <cstdlib> |
|
#include <string> |
|
#include <boost/asio.hpp> |
|
|
|
#include "util.h" |
|
#include "Log.h" |
|
|
|
#if not defined (__FreeBSD__) |
|
#include <pthread.h> |
|
#endif |
|
|
|
#if defined(__OpenBSD__) || defined(__FreeBSD__) |
|
#include <pthread_np.h> |
|
#endif |
|
|
|
|
|
#ifdef _WIN32 |
|
#include <stdlib.h> |
|
#include <string.h> |
|
#include <stdio.h> |
|
#include <sysinfoapi.h> |
|
#include <winsock2.h> |
|
#include <ws2tcpip.h> |
|
#include <iphlpapi.h> |
|
#include <shlobj.h> |
|
|
|
#ifdef _MSC_VER |
|
#pragma comment(lib, "IPHLPAPI.lib") |
|
#endif // _MSC_VER |
|
|
|
#define MALLOC(x) HeapAlloc(GetProcessHeap(), 0, (x)) |
|
#define FREE(x) HeapFree(GetProcessHeap(), 0, (x)) |
|
|
|
// inet_pton exists Windows since Vista, but XP doesn't have that function! |
|
// This function was written by Petar Korponai?. See http://stackoverflow.com/questions/15660203/inet-pton-identifier-not-found |
|
int inet_pton_xp (int af, const char *src, void *dst) |
|
{ |
|
struct sockaddr_storage ss; |
|
int size = sizeof (ss); |
|
char src_copy[INET6_ADDRSTRLEN + 1]; |
|
|
|
ZeroMemory (&ss, sizeof (ss)); |
|
strncpy (src_copy, src, INET6_ADDRSTRLEN + 1); |
|
src_copy[INET6_ADDRSTRLEN] = 0; |
|
|
|
if (WSAStringToAddress (src_copy, af, NULL, (struct sockaddr *)&ss, &size) == 0) |
|
{ |
|
switch (af) |
|
{ |
|
case AF_INET: |
|
*(struct in_addr *)dst = ((struct sockaddr_in *)&ss)->sin_addr; |
|
return 1; |
|
case AF_INET6: |
|
*(struct in6_addr *)dst = ((struct sockaddr_in6 *)&ss)->sin6_addr; |
|
return 1; |
|
} |
|
} |
|
return 0; |
|
} |
|
#else /* !_WIN32 => UNIX */ |
|
#include <sys/types.h> |
|
#ifdef ANDROID |
|
#include "ifaddrs.h" |
|
#else |
|
#include <ifaddrs.h> |
|
#endif |
|
#endif |
|
|
|
#define address_pair_v4(a,b) { boost::asio::ip::address_v4::from_string (a).to_ulong (), boost::asio::ip::address_v4::from_string (b).to_ulong () } |
|
#define address_pair_v6(a,b) { boost::asio::ip::address_v6::from_string (a).to_bytes (), boost::asio::ip::address_v6::from_string (b).to_bytes () } |
|
|
|
namespace i2p |
|
{ |
|
namespace util |
|
{ |
|
|
|
void RunnableService::StartIOService () |
|
{ |
|
if (!m_IsRunning) |
|
{ |
|
m_IsRunning = true; |
|
m_Thread.reset (new std::thread (std::bind (& RunnableService::Run, this))); |
|
} |
|
} |
|
|
|
void RunnableService::StopIOService () |
|
{ |
|
if (m_IsRunning) |
|
{ |
|
m_IsRunning = false; |
|
m_Service.stop (); |
|
if (m_Thread) |
|
{ |
|
m_Thread->join (); |
|
m_Thread = nullptr; |
|
} |
|
} |
|
} |
|
|
|
void RunnableService::Run () |
|
{ |
|
SetThreadName(m_Name.c_str()); |
|
|
|
while (m_IsRunning) |
|
{ |
|
try |
|
{ |
|
m_Service.run (); |
|
} |
|
catch (std::exception& ex) |
|
{ |
|
LogPrint (eLogError, m_Name, ": runtime exception: ", ex.what ()); |
|
} |
|
} |
|
} |
|
|
|
void SetThreadName (const char *name) { |
|
#if defined(__APPLE__) |
|
pthread_setname_np(name); |
|
#elif defined(__FreeBSD__) || defined(__OpenBSD__) |
|
pthread_set_name_np(pthread_self(), name); |
|
#elif defined(__NetBSD__) |
|
pthread_setname_np(pthread_self(), "%s", (void *)name); |
|
#elif !defined(__gnu_hurd__) |
|
pthread_setname_np(pthread_self(), name); |
|
#endif |
|
} |
|
|
|
namespace net |
|
{ |
|
#ifdef _WIN32 |
|
bool IsWindowsXPorLater () |
|
{ |
|
static bool isRequested = false; |
|
static bool isXP = false; |
|
if (!isRequested) |
|
{ |
|
// request |
|
OSVERSIONINFO osvi; |
|
|
|
ZeroMemory(&osvi, sizeof(OSVERSIONINFO)); |
|
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |
|
GetVersionEx(&osvi); |
|
|
|
isXP = osvi.dwMajorVersion <= 5; |
|
isRequested = true; |
|
} |
|
return isXP; |
|
} |
|
|
|
int GetMTUWindowsIpv4 (sockaddr_in inputAddress, int fallback) |
|
{ |
|
ULONG outBufLen = 0; |
|
PIP_ADAPTER_ADDRESSES pAddresses = nullptr; |
|
PIP_ADAPTER_ADDRESSES pCurrAddresses = nullptr; |
|
PIP_ADAPTER_UNICAST_ADDRESS pUnicast = nullptr; |
|
|
|
if(GetAdaptersAddresses(AF_INET, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen) |
|
== ERROR_BUFFER_OVERFLOW) |
|
{ |
|
FREE(pAddresses); |
|
pAddresses = (IP_ADAPTER_ADDRESSES*) MALLOC(outBufLen); |
|
} |
|
|
|
DWORD dwRetVal = GetAdaptersAddresses( |
|
AF_INET, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen |
|
); |
|
|
|
if(dwRetVal != NO_ERROR) |
|
{ |
|
LogPrint(eLogError, "NetIface: GetMTU(): enclosed GetAdaptersAddresses() call has failed"); |
|
FREE(pAddresses); |
|
return fallback; |
|
} |
|
|
|
pCurrAddresses = pAddresses; |
|
while(pCurrAddresses) |
|
{ |
|
PIP_ADAPTER_UNICAST_ADDRESS firstUnicastAddress = pCurrAddresses->FirstUnicastAddress; |
|
|
|
pUnicast = pCurrAddresses->FirstUnicastAddress; |
|
if(pUnicast == nullptr) |
|
LogPrint(eLogError, "NetIface: GetMTU(): not a unicast ipv4 address, this is not supported"); |
|
|
|
for(int i = 0; pUnicast != nullptr; ++i) |
|
{ |
|
LPSOCKADDR lpAddr = pUnicast->Address.lpSockaddr; |
|
sockaddr_in* localInterfaceAddress = (sockaddr_in*) lpAddr; |
|
if(localInterfaceAddress->sin_addr.S_un.S_addr == inputAddress.sin_addr.S_un.S_addr) |
|
{ |
|
auto result = pAddresses->Mtu; |
|
FREE(pAddresses); |
|
return result; |
|
} |
|
pUnicast = pUnicast->Next; |
|
} |
|
pCurrAddresses = pCurrAddresses->Next; |
|
} |
|
|
|
LogPrint(eLogError, "NetIface: GetMTU(): no usable unicast ipv4 addresses found"); |
|
FREE(pAddresses); |
|
return fallback; |
|
} |
|
|
|
int GetMTUWindowsIpv6 (sockaddr_in6 inputAddress, int fallback) |
|
{ |
|
ULONG outBufLen = 0; |
|
PIP_ADAPTER_ADDRESSES pAddresses = nullptr; |
|
PIP_ADAPTER_ADDRESSES pCurrAddresses = nullptr; |
|
PIP_ADAPTER_UNICAST_ADDRESS pUnicast = nullptr; |
|
|
|
if(GetAdaptersAddresses(AF_INET6, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen) |
|
== ERROR_BUFFER_OVERFLOW) |
|
{ |
|
FREE(pAddresses); |
|
pAddresses = (IP_ADAPTER_ADDRESSES*) MALLOC(outBufLen); |
|
} |
|
|
|
DWORD dwRetVal = GetAdaptersAddresses( |
|
AF_INET6, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen |
|
); |
|
|
|
if(dwRetVal != NO_ERROR) |
|
{ |
|
LogPrint(eLogError, "NetIface: GetMTU(): enclosed GetAdaptersAddresses() call has failed"); |
|
FREE(pAddresses); |
|
return fallback; |
|
} |
|
|
|
bool found_address = false; |
|
pCurrAddresses = pAddresses; |
|
while(pCurrAddresses) |
|
{ |
|
PIP_ADAPTER_UNICAST_ADDRESS firstUnicastAddress = pCurrAddresses->FirstUnicastAddress; |
|
pUnicast = pCurrAddresses->FirstUnicastAddress; |
|
if(pUnicast == nullptr) |
|
LogPrint(eLogError, "NetIface: GetMTU(): not a unicast ipv6 address, this is not supported"); |
|
|
|
for(int i = 0; pUnicast != nullptr; ++i) |
|
{ |
|
LPSOCKADDR lpAddr = pUnicast->Address.lpSockaddr; |
|
sockaddr_in6 *localInterfaceAddress = (sockaddr_in6*) lpAddr; |
|
|
|
for (int j = 0; j != 8; ++j) |
|
{ |
|
if (localInterfaceAddress->sin6_addr.u.Word[j] != inputAddress.sin6_addr.u.Word[j]) |
|
break; |
|
else |
|
found_address = true; |
|
} |
|
|
|
if (found_address) |
|
{ |
|
auto result = pAddresses->Mtu; |
|
FREE(pAddresses); |
|
pAddresses = nullptr; |
|
return result; |
|
} |
|
pUnicast = pUnicast->Next; |
|
} |
|
|
|
pCurrAddresses = pCurrAddresses->Next; |
|
} |
|
|
|
LogPrint(eLogError, "NetIface: GetMTU(): no usable unicast ipv6 addresses found"); |
|
FREE(pAddresses); |
|
return fallback; |
|
} |
|
|
|
int GetMTUWindows (const boost::asio::ip::address& localAddress, int fallback) |
|
{ |
|
#ifdef UNICODE |
|
string localAddress_temporary = localAddress.to_string(); |
|
wstring localAddressUniversal(localAddress_temporary.begin(), localAddress_temporary.end()); |
|
#else |
|
std::string localAddressUniversal = localAddress.to_string(); |
|
#endif |
|
|
|
typedef int (* IPN)(int af, const char *src, void *dst); |
|
IPN inetpton = (IPN)GetProcAddress (GetModuleHandle ("ws2_32.dll"), "InetPton"); |
|
if (!inetpton) inetpton = inet_pton_xp; // use own implementation if not found |
|
|
|
if(localAddress.is_v4()) |
|
{ |
|
sockaddr_in inputAddress; |
|
inetpton(AF_INET, localAddressUniversal.c_str(), &(inputAddress.sin_addr)); |
|
return GetMTUWindowsIpv4(inputAddress, fallback); |
|
} |
|
else if(localAddress.is_v6()) |
|
{ |
|
sockaddr_in6 inputAddress; |
|
inetpton(AF_INET6, localAddressUniversal.c_str(), &(inputAddress.sin6_addr)); |
|
return GetMTUWindowsIpv6(inputAddress, fallback); |
|
} |
|
else |
|
{ |
|
LogPrint(eLogError, "NetIface: GetMTU(): address family is not supported"); |
|
return fallback; |
|
} |
|
} |
|
#else // assume unix |
|
int GetMTUUnix (const boost::asio::ip::address& localAddress, int fallback) |
|
{ |
|
ifaddrs* ifaddr, *ifa = nullptr; |
|
if(getifaddrs(&ifaddr) == -1) |
|
{ |
|
LogPrint(eLogError, "NetIface: Can't call getifaddrs(): ", strerror(errno)); |
|
return fallback; |
|
} |
|
|
|
int family = 0; |
|
// look for interface matching local address |
|
for(ifa = ifaddr; ifa != nullptr; ifa = ifa->ifa_next) |
|
{ |
|
if(!ifa->ifa_addr) |
|
continue; |
|
|
|
family = ifa->ifa_addr->sa_family; |
|
if(family == AF_INET && localAddress.is_v4()) |
|
{ |
|
sockaddr_in* sa = (sockaddr_in*) ifa->ifa_addr; |
|
if(!memcmp(&sa->sin_addr, localAddress.to_v4().to_bytes().data(), 4)) |
|
break; // address matches |
|
} |
|
else if(family == AF_INET6 && localAddress.is_v6()) |
|
{ |
|
sockaddr_in6* sa = (sockaddr_in6*) ifa->ifa_addr; |
|
if(!memcmp(&sa->sin6_addr, localAddress.to_v6().to_bytes().data(), 16)) |
|
break; // address matches |
|
} |
|
} |
|
int mtu = fallback; |
|
if(ifa && family) |
|
{ // interface found? |
|
int fd = socket(family, SOCK_DGRAM, 0); |
|
if(fd > 0) |
|
{ |
|
ifreq ifr; |
|
strncpy(ifr.ifr_name, ifa->ifa_name, IFNAMSIZ-1); // set interface for query |
|
if(ioctl(fd, SIOCGIFMTU, &ifr) >= 0) |
|
mtu = ifr.ifr_mtu; // MTU |
|
else |
|
LogPrint (eLogError, "NetIface: Failed to run ioctl: ", strerror(errno)); |
|
close(fd); |
|
} |
|
else |
|
LogPrint(eLogError, "NetIface: Failed to create datagram socket"); |
|
} |
|
else |
|
LogPrint(eLogWarning, "NetIface: interface for local address", localAddress.to_string(), " not found"); |
|
freeifaddrs(ifaddr); |
|
|
|
return mtu; |
|
} |
|
#endif // _WIN32 |
|
|
|
int GetMTU (const boost::asio::ip::address& localAddress) |
|
{ |
|
int fallback = localAddress.is_v6 () ? 1280 : 620; // fallback MTU |
|
|
|
#ifdef _WIN32 |
|
return GetMTUWindows(localAddress, fallback); |
|
#else |
|
return GetMTUUnix(localAddress, fallback); |
|
#endif |
|
return fallback; |
|
} |
|
|
|
const boost::asio::ip::address GetInterfaceAddress (const std::string & ifname, bool ipv6) |
|
{ |
|
#ifdef _WIN32 |
|
LogPrint(eLogError, "NetIface: cannot get address by interface name, not implemented on WIN32"); |
|
if(ipv6) |
|
return boost::asio::ip::address::from_string("::1"); |
|
else |
|
return boost::asio::ip::address::from_string("127.0.0.1"); |
|
#else |
|
int af = (ipv6 ? AF_INET6 : AF_INET); |
|
ifaddrs *addrs, *cur = nullptr; |
|
if(getifaddrs(&addrs) == 0) |
|
{ |
|
// got ifaddrs |
|
cur = addrs; |
|
while(cur) |
|
{ |
|
std::string cur_ifname(cur->ifa_name); |
|
if (cur_ifname == ifname && cur->ifa_addr && cur->ifa_addr->sa_family == af) |
|
{ |
|
// match |
|
char addr[INET6_ADDRSTRLEN]; |
|
memset (addr, 0, INET6_ADDRSTRLEN); |
|
if(af == AF_INET) |
|
inet_ntop(af, &((sockaddr_in *)cur->ifa_addr)->sin_addr, addr, INET6_ADDRSTRLEN); |
|
else |
|
inet_ntop(af, &((sockaddr_in6 *)cur->ifa_addr)->sin6_addr, addr, INET6_ADDRSTRLEN); |
|
freeifaddrs(addrs); |
|
std::string cur_ifaddr(addr); |
|
return boost::asio::ip::address::from_string(cur_ifaddr); |
|
} |
|
cur = cur->ifa_next; |
|
} |
|
} |
|
if(addrs) freeifaddrs(addrs); |
|
std::string fallback; |
|
if(ipv6) |
|
{ |
|
fallback = "::1"; |
|
LogPrint(eLogWarning, "NetIface: cannot find ipv6 address for interface ", ifname); |
|
} else { |
|
fallback = "127.0.0.1"; |
|
LogPrint(eLogWarning, "NetIface: cannot find ipv4 address for interface ", ifname); |
|
} |
|
return boost::asio::ip::address::from_string(fallback); |
|
#endif |
|
} |
|
|
|
static bool IsYggdrasilAddress (const uint8_t addr[16]) |
|
{ |
|
return addr[0] == 0x02 || addr[0] == 0x03; |
|
} |
|
|
|
bool IsYggdrasilAddress (const boost::asio::ip::address& addr) |
|
{ |
|
if (!addr.is_v6 ()) return false; |
|
return IsYggdrasilAddress (addr.to_v6 ().to_bytes ().data ()); |
|
} |
|
|
|
boost::asio::ip::address_v6 GetYggdrasilAddress () |
|
{ |
|
#if defined(_WIN32) |
|
ULONG outBufLen = 0; |
|
PIP_ADAPTER_ADDRESSES pAddresses = nullptr; |
|
PIP_ADAPTER_ADDRESSES pCurrAddresses = nullptr; |
|
PIP_ADAPTER_UNICAST_ADDRESS pUnicast = nullptr; |
|
|
|
if(GetAdaptersAddresses(AF_INET6, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen) |
|
== ERROR_BUFFER_OVERFLOW) |
|
{ |
|
FREE(pAddresses); |
|
pAddresses = (IP_ADAPTER_ADDRESSES*) MALLOC(outBufLen); |
|
} |
|
|
|
DWORD dwRetVal = GetAdaptersAddresses( |
|
AF_INET6, GAA_FLAG_INCLUDE_PREFIX, nullptr, pAddresses, &outBufLen |
|
); |
|
|
|
if(dwRetVal != NO_ERROR) |
|
{ |
|
LogPrint(eLogError, "NetIface: GetYggdrasilAddress(): enclosed GetAdaptersAddresses() call has failed"); |
|
FREE(pAddresses); |
|
return boost::asio::ip::address_v6 (); |
|
} |
|
|
|
pCurrAddresses = pAddresses; |
|
while(pCurrAddresses) |
|
{ |
|
PIP_ADAPTER_UNICAST_ADDRESS firstUnicastAddress = pCurrAddresses->FirstUnicastAddress; |
|
pUnicast = pCurrAddresses->FirstUnicastAddress; |
|
|
|
for(int i = 0; pUnicast != nullptr; ++i) |
|
{ |
|
LPSOCKADDR lpAddr = pUnicast->Address.lpSockaddr; |
|
sockaddr_in6 *localInterfaceAddress = (sockaddr_in6*) lpAddr; |
|
if (IsYggdrasilAddress(localInterfaceAddress->sin6_addr.u.Byte)) { |
|
boost::asio::ip::address_v6::bytes_type bytes; |
|
memcpy (bytes.data (), &localInterfaceAddress->sin6_addr.u.Byte, 16); |
|
FREE(pAddresses); |
|
return boost::asio::ip::address_v6 (bytes); |
|
} |
|
pUnicast = pUnicast->Next; |
|
} |
|
pCurrAddresses = pCurrAddresses->Next; |
|
} |
|
LogPrint(eLogWarning, "NetIface: interface with yggdrasil network address not found"); |
|
FREE(pAddresses); |
|
return boost::asio::ip::address_v6 (); |
|
#else |
|
ifaddrs *addrs, *cur = nullptr; |
|
auto err = getifaddrs(&addrs); |
|
if (!err) |
|
{ |
|
cur = addrs; |
|
while(cur) |
|
{ |
|
if (cur->ifa_addr && cur->ifa_addr->sa_family == AF_INET6) |
|
{ |
|
sockaddr_in6* sa = (sockaddr_in6*)cur->ifa_addr; |
|
if (IsYggdrasilAddress(sa->sin6_addr.s6_addr)) |
|
{ |
|
boost::asio::ip::address_v6::bytes_type bytes; |
|
memcpy (bytes.data (), &sa->sin6_addr, 16); |
|
freeifaddrs(addrs); |
|
return boost::asio::ip::address_v6 (bytes); |
|
} |
|
} |
|
cur = cur->ifa_next; |
|
} |
|
} |
|
LogPrint(eLogWarning, "NetIface: interface with yggdrasil network address not found"); |
|
if(addrs) freeifaddrs(addrs); |
|
return boost::asio::ip::address_v6 (); |
|
#endif |
|
} |
|
|
|
bool IsLocalAddress (const boost::asio::ip::address& addr) |
|
{ |
|
auto mtu = // TODO: implement better |
|
#ifdef _WIN32 |
|
GetMTUWindows(addr, 0); |
|
#else |
|
GetMTUUnix(addr, 0); |
|
#endif |
|
return mtu > 0; |
|
} |
|
|
|
bool IsInReservedRange (const boost::asio::ip::address& host) |
|
{ |
|
// https://en.wikipedia.org/wiki/Reserved_IP_addresses |
|
if (host.is_unspecified ()) return false; |
|
if(host.is_v4()) |
|
{ |
|
static const std::vector< std::pair<uint32_t, uint32_t> > reservedIPv4Ranges { |
|
address_pair_v4("0.0.0.0", "0.255.255.255"), |
|
address_pair_v4("10.0.0.0", "10.255.255.255"), |
|
address_pair_v4("100.64.0.0", "100.127.255.255"), |
|
address_pair_v4("127.0.0.0", "127.255.255.255"), |
|
address_pair_v4("169.254.0.0", "169.254.255.255"), |
|
address_pair_v4("172.16.0.0", "172.31.255.255"), |
|
address_pair_v4("192.0.0.0", "192.0.0.255"), |
|
address_pair_v4("192.0.2.0", "192.0.2.255"), |
|
address_pair_v4("192.88.99.0", "192.88.99.255"), |
|
address_pair_v4("192.168.0.0", "192.168.255.255"), |
|
address_pair_v4("198.18.0.0", "192.19.255.255"), |
|
address_pair_v4("198.51.100.0", "198.51.100.255"), |
|
address_pair_v4("203.0.113.0", "203.0.113.255"), |
|
address_pair_v4("224.0.0.0", "255.255.255.255") |
|
}; |
|
|
|
uint32_t ipv4_address = host.to_v4 ().to_ulong (); |
|
for(const auto& it : reservedIPv4Ranges) { |
|
if (ipv4_address >= it.first && ipv4_address <= it.second) |
|
return true; |
|
} |
|
} |
|
if(host.is_v6()) |
|
{ |
|
static const std::vector< std::pair<boost::asio::ip::address_v6::bytes_type, boost::asio::ip::address_v6::bytes_type> > reservedIPv6Ranges { |
|
address_pair_v6("2001:db8::", "2001:db8:ffff:ffff:ffff:ffff:ffff:ffff"), |
|
address_pair_v6("fc00::", "fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"), |
|
address_pair_v6("fe80::", "febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff"), |
|
address_pair_v6("ff00::", "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"), |
|
address_pair_v6("::", "::"), |
|
address_pair_v6("::1", "::1") |
|
}; |
|
|
|
boost::asio::ip::address_v6::bytes_type ipv6_address = host.to_v6 ().to_bytes (); |
|
for(const auto& it : reservedIPv6Ranges) { |
|
if (ipv6_address >= it.first && ipv6_address <= it.second) |
|
return true; |
|
} |
|
if (IsYggdrasilAddress (ipv6_address.data ())) // yggdrasil? |
|
return true; |
|
} |
|
return false; |
|
} |
|
} // net |
|
} // util |
|
} // i2p
|
|
|