void HTTPS_Proxy::read_ready()
{
if (m_state == WaitConnect){
string s;
if (!readLine(s)) return;
if (s.length() < strlen(HTTP)){
error_state(ANSWER_ERROR, m_plugin->ProxyErr);
return;
}
const char *r = strchr(s.c_str(), ' ');
if (r == NULL){
error_state(ANSWER_ERROR, m_plugin->ProxyErr);
return;
}
r++;
int code = atoi(r);
if (code == 407){
error_state(AUTH_ERROR, m_plugin->ProxyErr);
return;
}
if (code != 200){
error_state(ANSWER_ERROR, m_plugin->ProxyErr);
return;
}
m_state = WaitEmpty;
}
if (m_state == WaitEmpty){
for (;;){
string s;
if (!readLine(s)) return;
if (s.length() == 0) break;
}
proxy_connect_ready();
}
}
void SOCKS4_Proxy::read_ready()
{
if (m_state != WaitConnect) return;
read(9, 4);
char b1, b2;
bIn >> b1 >> b2;
if (b2 != 90){
if (notify) notify->error_state(I18N_NOOP("Error proxy connect"));
return;
}
proxy_connect_ready();
}
void SOCKS4_Proxy::read_ready()
{
if (state != WaitConnect) return;
read(9, 4);
char b1, b2;
bIn >> b1 >> b2;
if (b2 != 90){
if (notify) notify->error_state(ErrorProxyConnect);
return;
}
proxy_connect_ready();
}
void SOCKS5_Proxy::read_ready()
{
char b1, b2;
unsigned long ip;
switch (m_state){
case WaitAnswer:
read(2);
bIn >> b1 >> b2;
if ((b1 != 0x05) || (b2 == '\xFF')) {
error_state(ANSWER_ERROR, m_plugin->ProxyErr);
return;
}
if (b2 == 0x02) {
const char *user = getUser();
const char *pswd = getPassword();
bOut
<< (char)0x01
<< (char)strlen(user)
<< user
<< (char)strlen(pswd)
<< pswd;
m_state = WaitAuth;
write();
return;
}
send_connect();
return;
case WaitAuth:
read(2);
bIn >> b1 >> b2;
if ((b1 != 0x01) || (b2 != 0x00)) {
error_state(AUTH_ERROR, m_plugin->ProxyErr);
return;
}
send_connect();
return;
case WaitConnect:
read(10);
bIn >> b1 >> b2;
if ((b1 != 0x05) || (b2 != 0x00)) {
error_state(ANSWER_ERROR, m_plugin->ProxyErr);
return;
}
bIn >> b1 >> b2;
bIn >> ip;
if (notify)
notify->resolve_ready(ip);
proxy_connect_ready();
return;
default:
break;
}
}
void SOCKS4_Proxy::read_ready()
{
if (m_state != WaitConnect) return;
read(9, 4);
char b1, b2;
bIn >> b1 >> b2;
if (b2 != 90){
error_state(ANSWER_ERROR, m_plugin->ProxyErr);
return;
}
proxy_connect_ready();
}
void SOCKS5_Proxy::read_ready()
{
char b1, b2;
switch (m_state){
case WaitAnswer:
read(2);
bIn >> b1 >> b2;
if ((b1 != 0x05) || (b2 == (char)0xFF)) {
if (notify)
notify->error_state(I18N_NOOP("Error proxy connect"));
return;
}
if (b2 == 0x02) {
const char *user = m_plugin->getUser();
const char *pswd = m_plugin->getPassword();
bOut
<< (char)0x01
<< (char)strlen(user)
<< user
<< (char)strlen(pswd)
<< pswd;
m_state = WaitAuth;
write();
return;
}
send_connect();
return;
case WaitAuth:
read(2);
bIn >> b1 >> b2;
if ((b1 != 0x01) || (b2 != 0x00)) {
if (notify)
notify->error_state(I18N_NOOP("Error proxy authorization"));
return;
}
send_connect();
return;
case WaitConnect:
read(10);
bIn >> b1 >> b2;
if ((b1 != 0x05) || (b2 != 0x00)) {
if (notify)
notify->error_state(I18N_NOOP("Error proxy connect"));
return;
}
proxy_connect_ready();
return;
default:
break;
}
}
void SOCKS5_Proxy::read_ready()
{
char b1, b2;
switch (state){
case WaitAnswer:
read(2);
bIn >> b1 >> b2;
if ((b1 != 0x05) || (b2 == (char)0xFF)) {
if (notify) notify->error_state(ErrorProxyConnect);
return;
}
if (b2 == 0x02) {
bOut.pack((char)0x01);
bOut.pack((char)m_user.length());
bOut.pack(m_user.c_str(), m_user.length());
bOut.pack((char)m_passwd.length());
bOut.pack(m_passwd.c_str(), m_passwd.length());
state = WaitAuth;
write();
return;
}
send_connect();
return;
case WaitAuth:
read(2);
bIn >> b1 >> b2;
if ((b1 != 0x01) || (b2 != 0x00)) {
if (notify) notify->error_state(ErrorProxyAuth);
return;
}
send_connect();
return;
case WaitConnect:
read(10);
bIn >> b1 >> b2;
if ((b1 != 0x05) || (b2 != 0x00)) {
if (notify) notify->error_state(ErrorConnect);
return;
}
proxy_connect_ready();
return;
default:
break;
}
}
