static void append(buffer &json, const char *key, const std::string &value)
{
json.append("\"" , 1);
json.append( key, strlen(key) ); //"key"
json.append("\":", 2);
append(json, value);
}
static void append(buffer &json, const Seq &value)
{
json.append("[", 1);
for(const auto &v : value)
{
json_traits<type_t>::append(json, v);
}
json.erase_last_comma();
json.append("],", 2);
}
static void append(buffer &json, const char &value,
const bool&, const unsigned&, unsigned&)
{
if( std::isgraph(value) )
{
char c[4] = {'"', value, '"', ','};
json.append(c, 4);
}
else
json.append("null,", 5);
}
bool xml_document::to_string(buffer& buf, bool pretty_print, bool nul_terminate) const
{
if (_M_used == 0) {
return nul_terminate ? buf.append((char) 0) : true;
}
if (!to_string(buf, pretty_print, _M_nodes, 0)) {
return false;
}
return nul_terminate ? buf.append((char) 0) : true;
}
static void append(buffer &json, const std::string &value)
{
if(! value.empty() ) //:"value"
{
json.append("\"", 1);
json.append( value.c_str(), value.length() );
json.append("\",", 2);
}
else //:null
{
json.append( "null,", 5);
}
}
static void append(buffer &json, const char* value)
{
if(value != nullptr)
{
json.append("\"", 1);
json.append( value, strlen(value)); //value
json.append("\",", 2);
}
else
{
json.append( "null," , 5 ); //null
}
}
static void append(buffer &json, const char *key, const Seq &value)
{
json.append("\"", 1);
json.append(key, strlen(key) );
json.append("\":[", 3);
for(const auto &v : value)
{
json_traits<type_t>::append(json, v);
}
json.erase_last_comma();
json.append("],", 2);
}
static inline void make_json(const bool &pretty, const unsigned &indent, unsigned &level,
buffer &json, const std::string &keys, const T& val, const Types& ...values)
{
std::string::size_type pos = keys.find(',');
if(pretty)
{
json.append("\n", 1);
json.append(' ', indent * level);
}
type::json_traits<T>::append(json, keys.substr(0, pos).c_str() , val, pretty, indent, level);
make_json(pretty, indent, level, json, keys.substr(pos+1, keys.length()-1 ).c_str() ,values...);
}
bool xml_document::node_to_string(buffer& buf, bool pretty_print, const struct node* node, unsigned depth) const
{
if (pretty_print) {
for (unsigned i = 0; i < depth; i++) {
if (!buf.append('\t')) {
return false;
}
}
}
switch (node->type) {
case DOCTYPE_NODE:
return buf.format("<!DOCTYPE %.*s>", node->len, _M_buf.data() + node->text);
case PROCESSING_INSTRUCTION_NODE:
return buf.format("<?%.*s?>", node->len, _M_buf.data() + node->text);
case COMMENT_NODE:
return buf.format("<!-- %.*s -->", node->len, _M_buf.data() + node->text);
case ELEMENT_NODE:
if (!buf.format("<%.*s", node->len, _M_buf.data() + node->text)) {
return false;
}
if (node->attributes) {
const char* name;
size_t namelen;
const char* value;
size_t valuelen;
for (size_t i = 0; node->attributes->get(i, name, namelen, value, valuelen); i++) {
char quotes = (memchr(value, '"', valuelen)) ? '\'' : '"';
if (!buf.format(" %.*s=%c%.*s%c", namelen, name, quotes, valuelen, value, quotes)) {
return false;
}
}
}
if (node->child > 0) {
return buf.append('>');
} else {
return buf.append("/>", 2);
}
case TEXT_NODE:
return buf.format("%.*s", node->len, _M_buf.data() + node->text);
default:
return false;
}
}
bool xml_document::to_string(buffer& buf, bool pretty_print, const struct node* node, unsigned depth) const
{
do {
if (pretty_print) {
// If not the first node...
if (node != _M_nodes) {
if (!buf.append("\r\n", 2)) {
return false;
}
}
}
if (!node_to_string(buf, pretty_print, node, depth)) {
return false;
}
if (node->child != -1) {
if (!to_string(buf, pretty_print, &(_M_nodes[node->child]), depth + 1)) {
return false;
}
if (pretty_print) {
if (!buf.append("\r\n", 2)) {
return false;
}
for (unsigned i = 0; i < depth; i++) {
if (!buf.append('\t')) {
return false;
}
}
}
if (!buf.format("</%.*s>", node->len, _M_buf.data() + node->text)) {
return false;
}
}
if (node->next < 0) {
return true;
}
node = &(_M_nodes[node->next]);
} while (true);
}
stream::state_t
socks5_proxy::send( buffer &in_buf, buffer &out_buf )
{
if ( m_state == stream::state_t::handshaking )
{
if ( !m_sent_greeting )
{
if ( proxy::manager::shared().authorization().size() > 0 )
{
out_buf.size( 4 );
out_buf.put( 0, 0x05 );
out_buf.put( 1, 0x02 );
out_buf.put( 2, 0x00 );
out_buf.put( 3, 0x02 );
}
else
{
out_buf.size( 3 );
out_buf.put( 0, 0x05 );
out_buf.put( 1, 0x01 );
out_buf.put( 2, 0x00 );
}
m_sent_greeting = true;
}
m_send_queue.append( in_buf );
m_state5 = waiting_for_opening_response;
m_state = stream::state_t::connected;
}
else if ( m_state5 != connected )
{
m_send_queue.append( in_buf );
}
else
{
out_buf = std::move( in_buf );
}
return m_state;
}
JSONPACK_API_BEGIN_NAMESPACE
////============================== MAKE_JSON ==============================================
static inline void make_json(const bool &pretty, const unsigned &indent, unsigned &level,
buffer &json, const std::string &UNUSED(key))
{
json.erase_last_comma();
if (pretty)
{
--level;
json.append("\n", 1);
json.append(' ', indent * level);
}
json.append("}", 1);
}
JSONPACK_API_BEGIN_NAMESPACE
////============================== MAKE_JSON ==============================================
static inline void make_json(buffer &json, const std::string &UNUSED(key) )
{
json.erase_last_comma();
json.append("}\0", 2);
}
static void append(buffer &json, const std::string &value)
{
if(! value.empty() ) //:"value"
{
util::json_builder::append_string(json, value.c_str(), value.length() );
}
else //:null
{
json.append( "null,", 5);
}
}
unsigned list_cases_on(vm_obj const & o, buffer<vm_obj> & data) {
if (is_simple(o)) {
return 0;
} else if (is_constructor(o)) {
data.append(csize(o), cfields(o));
return 1;
} else {
lean_assert(is_external(o));
if (auto l = dynamic_cast<vm_list<name>*>(to_external(o))) {
return list_cases_on_core(l->m_val, data);
} else if (auto l = dynamic_cast<vm_list<expr>*>(to_external(o))) {
return list_cases_on_core(l->m_val, data);
} else if (auto l = dynamic_cast<vm_list<level>*>(to_external(o))) {
return list_cases_on_core(l->m_val, data);
} else {
lean_unreachable();
}
}
}
static void append(buffer &json, const bool &value,
const bool&, const unsigned&, unsigned&) //append value in array
{
json.append(value ? "true," : "false,", value ? 5 :6 );
}
stream::state_t
socks5_proxy::recv( std::vector< buffer > &in_recv_bufs, buffer &out_send_buf, std::vector< buffer > &out_recv_bufs )
{
switch ( m_state5 )
{
case waiting_for_opening_response:
{
std::size_t bytes_available = in_recv_bufs[ 0 ].size();
std::size_t handshake_left = 2 - m_recv_handshake.size();
m_recv_handshake.append( in_recv_bufs[ 0 ].data(), std::min( handshake_left, bytes_available ) );
if ( m_recv_handshake.size() < 2 )
{
in_recv_bufs[ 0 ].rotate( 0, std::min( handshake_left, bytes_available ), in_recv_bufs[ 0 ].size() );
}
else
{
if ( m_recv_handshake[ 0 ] == 0x05 )
{
if ( m_recv_handshake[ 1 ] == 0x00 )
{
out_send_buf = make_connect_buffer();
out_recv_bufs.clear();
m_state5 = waiting_for_connect_response;
}
else if ( m_recv_handshake[ 1 ] == 0x02 )
{
out_send_buf = make_auth_buffer();
out_recv_bufs.clear();
m_state5 = waiting_for_authentication_response;
}
else
{
m_state = stream::state_t::error;
}
}
else
{
m_state = stream::state_t::error;
}
m_recv_handshake.clear();
}
}
break;
case waiting_for_authentication_response:
{
std::size_t bytes_available = in_recv_bufs[ 0 ].size();
std::size_t handshake_left = 2 - m_recv_handshake.size();
m_recv_handshake.append( in_recv_bufs[ 0 ].data(), std::min( handshake_left, bytes_available ) );
if ( m_recv_handshake.size() < 2 )
{
in_recv_bufs[ 0 ].rotate( 0, std::min( handshake_left, bytes_available ), in_recv_bufs[ 0 ].size() );
}
else
{
if ( ( m_recv_handshake[ 0 ] == 0x01 ) && ( m_recv_handshake[ 1 ] == 0x00 ) )
{
out_send_buf = make_connect_buffer();
out_recv_bufs.clear();
m_state5 = waiting_for_connect_response;
}
else
{
m_state = stream::state_t::error;
}
m_recv_handshake.clear();
}
}
break;
case waiting_for_connect_response:
{
std::size_t bytes_available = in_recv_bufs[ 0 ].size();
std::size_t handshake_left = 4 - m_recv_handshake.size();
m_recv_handshake.append( in_recv_bufs[ 0 ].data(), std::min( handshake_left, bytes_available ) );
if ( m_recv_handshake.size() < 4 )
{
in_recv_bufs[ 0 ].rotate( 0, std::min( handshake_left, bytes_available ), in_recv_bufs[ 0 ].size() );
}
else if ( ( m_recv_handshake[ 0 ] == 0x05 ) && ( m_recv_handshake[ 1 ] == 0x00 ) )
{
switch ( m_recv_handshake[ 3 ] )
{
case 0x01:
{
in_recv_bufs[ 0 ].rotate( 0, 6, in_recv_bufs[ 0 ].size() );
out_send_buf = std::move( m_send_queue );
m_state5 = connected;
m_state = stream::state_t::connected;
}
break;
case 0x03:
{
auto len = in_recv_bufs[ 0 ][ 0 ];
in_recv_bufs[ 0 ].rotate( 0, len + 1, in_recv_bufs[ 0 ].size() );
out_send_buf = std::move( m_send_queue );
m_state5 = connected;
m_state = stream::state_t::connected;
}
break;
case 0x04:
{
in_recv_bufs[ 0 ].rotate( 0, 18, in_recv_bufs[ 0 ].size() );
out_send_buf = std::move( m_send_queue );
m_state5 = connected;
m_state = stream::state_t::connected;
}
break;
default:
{
m_state = stream::state_t::error;
}
}
}
}
break;
default:
{
out_recv_bufs = std::move( in_recv_bufs );
}
}
return m_state;
}
