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#include <botan/botan.h>
#include <botan/tls_client.h>
#include "socket.h"
using namespace Botan;
#include <stdio.h>
#include <string>
#include <iostream>
#include <memory>
class Client_TLS_Policy : public TLS_Policy
{
public:
bool check_cert(const std::vector<X509_Certificate>& certs) const
{
for(size_t i = 0; i != certs.size(); ++i)
{
std::cout << certs[i].to_string();
}
std::cout << "Warning: not checking cert signatures\n";
return true;
}
};
class HTTPS_Client
{
public:
HTTPS_Client(const std::string& host, u16bit port, RandomNumberGenerator& r) :
rng(r),
socket(host, port),
client(std::tr1::bind(&HTTPS_Client::socket_write, std::tr1::ref(*this), _1, _2),
std::tr1::bind(&HTTPS_Client::proc_data, std::tr1::ref(*this), _1, _2, _3),
policy,
rng)
{
SecureVector<byte> socket_buf(1024);
size_t desired = 0;
quit_reading = false;
while(!client.handshake_complete() || desired)
{
const size_t socket_got = socket.read(&socket_buf[0], socket_buf.size());
//printf("Got %d bytes from socket\n", socket_got);
desired = client.received_data(&socket_buf[0], socket_got);
socket_buf.resize(desired || 1);
//printf("Going around for another read?\n");
}
}
void socket_write(const byte buf[], size_t buf_size)
{
std::cout << "socket_write " << buf_size << "\n";
socket.write(buf, buf_size);
}
void proc_data(const byte data[], size_t data_len, u16bit alert_info)
{
printf("Block of data %d bytes alert %04X\n", (int)data_len, alert_info);
for(size_t i = 0; i != data_len; ++i)
printf("%c", data[i]);
if(data_len == 0 && alert_info == 0)
quit_reading = true;
}
void write(const std::string& s)
{
client.queue_for_sending((const byte*)s.c_str(), s.length());
}
void read_response()
{
while(true)
{
SecureVector<byte> buf(4096);
size_t got = socket.read(&buf[0], buf.size(), true);
if(got == 0)
break;
client.received_data(&buf[0], got);
}
}
private:
bool quit_reading;
RandomNumberGenerator& rng;
Socket socket;
Client_TLS_Policy policy;
TLS_Client client;
};
int main(int argc, char* argv[])
{
if(argc != 2 && argc != 3)
{
printf("Usage: %s host [port]\n", argv[0]);
return 1;
}
try
{
LibraryInitializer botan_init;
std::string host = argv[1];
u32bit port = argc == 3 ? Botan::to_u32bit(argv[2]) : 443;
//SocketInitializer socket_init;
AutoSeeded_RNG rng;
printf("Connecting to %s:%d...\n", host.c_str(), port);
HTTPS_Client https(host, port, rng);
std::string http_command = "GET / HTTP/1.0\r\n\r\n";
printf("Sending request\n");
https.write(http_command);
https.read_response();
}
catch(std::exception& e)
{
printf("%s\n", e.what());
return 1;
}
return 0;
}
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