Some useful tools for I2P
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#include <iostream>
#include <unistd.h>
#include "Crypto.h"
#include "RouterInfo.h"
static void usage(const char * argv)
{
std::cout << "usage: " << argv << " [-6|-f|-p] routerinfo.dat" << std::endl;
}
template<typename Addr>
static std::string address_style_string(Addr addr)
{
if(addr->transportStyle == i2p::data::RouterInfo::eTransportNTCP) {
return "NTCP";
} else if (addr->transportStyle == i2p::data::RouterInfo::eTransportSSU) {
return "SSU";
}
return "???";
}
template<typename Addr>
static void write_firewall_entry(std::ostream & o, Addr addr)
{
std::string proto;
if(addr->transportStyle == i2p::data::RouterInfo::eTransportNTCP) {
proto = "tcp";
} else if (addr->transportStyle == i2p::data::RouterInfo::eTransportSSU) {
proto = "udp";
} else {
// bail
return;
}
o << " -A OUTPUT -p " << proto;
o << " -d " << addr->host << " --dport " << addr->port;
o << " -j ACCEPT";
}
int main(int argc, char * argv[])
{
if (argc < 2) {
usage(argv[0]);
return 1;
}
i2p::crypto::InitCrypto(false);
int opt;
bool ipv6 = false;
bool firewall = false;
bool port = false;
while((opt = getopt(argc, argv, "6fp")) != -1) {
switch(opt) {
case '6':
ipv6 = true;
break;
case 'f':
firewall = true;
break;
case 'p':
port = true;
break;
default:
usage(argv[0]);
return 1;
}
}
while(optind < argc) {
int idx = optind;
optind ++;
std::string fname(argv[idx]);
i2p::data::RouterInfo ri(fname);
std::vector<std::shared_ptr<const i2p::data::RouterInfo::Address> > addrs;
auto a = ri.GetNTCPAddress(!ipv6);
if(a)
addrs.push_back(a);
a = ri.GetSSUAddress(!ipv6);
if(a)
addrs.push_back(a);
if(firewall)
std::cout << "# ";
else
std::cout << "Router Hash: ";
std::cout << ri.GetIdentHashBase64() << std::endl;
for (const auto & a : addrs) {
if(firewall) {
write_firewall_entry(std::cout, a);
} else {
std::cout << address_style_string(a) << ": " << a->host;
if (port)
std::cout << ":" << a->port;
}
std::cout << std::endl;
}
}
return 0;
}