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Merge pull request #1102

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eeb2bbc epee: optionally restrict HTTP service to a configurable user agent (moneromooo-monero)
This commit is contained in:
Riccardo Spagni 2016-09-18 21:38:46 +02:00
commit 53e18cafdf
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GPG key ID: 55432DF31CCD4FCD
19 changed files with 60 additions and 18 deletions
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2
contrib/epee/include/net/http_base.h
View file

@ -98,6 +98,7 @@ namespace net_utils
std::string m_content_encoding; //"Content-Encoding:"
std::string m_host; //"Host:"
std::string m_cookie; //"Cookie:"
std::string m_user_agent; //"User-Agent:"
fields_list m_etc_fields;
void clear()
@ -110,6 +111,7 @@ namespace net_utils
m_content_encoding.clear();
m_host.clear();
m_cookie.clear();
m_user_agent.clear();
m_etc_fields.clear();
}
};

12
contrib/epee/include/net/http_client.h
View file

@ -638,10 +638,10 @@ using namespace std;
LOG_FRAME("http_stream_filter::parse_cached_header(*)", LOG_LEVEL_4);
STATIC_REGEXP_EXPR_1(rexp_mach_field,
"\n?((Connection)|(Referer)|(Content-Length)|(Content-Type)|(Transfer-Encoding)|(Content-Encoding)|(Host)|(Cookie)"
// 12 3 4 5 6 7 8 9
"\n?((Connection)|(Referer)|(Content-Length)|(Content-Type)|(Transfer-Encoding)|(Content-Encoding)|(Host)|(Cookie)|(User-Agent)"
// 12 3 4 5 6 7 8 9 10
"|([\\w-]+?)) ?: ?((.*?)(\r?\n))[^\t ]",
//10 1112 13
//11 1213 14
boost::regex::icase | boost::regex::normal);
boost::smatch result;
@ -653,8 +653,8 @@ using namespace std;
//lookup all fields and fill well-known fields
while( boost::regex_search( it_current_bound, it_end_bound, result, rexp_mach_field, boost::match_default) && result[0].matched)
{
const size_t field_val = 12;
//const size_t field_etc_name = 10;
const size_t field_val = 13;
//const size_t field_etc_name = 11;
int i = 2; //start position = 2
if(result[i++].matched)//"Connection"
@ -675,6 +675,8 @@ using namespace std;
}
else if(result[i++].matched)//"Cookie"
body_info.m_cookie = result[field_val];
else if(result[i++].matched)//"User-Agent"
body_info.m_user_agent = result[field_val];
else if(result[i++].matched)//e.t.c (HAVE TO BE MATCHED!)
{;}
else

1
contrib/epee/include/net/http_protocol_handler.h
View file

@ -49,6 +49,7 @@ namespace net_utils
struct http_server_config
{
std::string m_folder;
std::string m_required_user_agent;
critical_section m_lock;
};

23
contrib/epee/include/net/http_protocol_handler.inl
View file

@ -285,7 +285,8 @@ namespace net_utils
}
break;
}
analize_cached_request_header_and_invoke_state(pos);
if (!analize_cached_request_header_and_invoke_state(pos))
return false;
break;
}
case http_state_retriving_body:
@ -387,8 +388,16 @@ namespace net_utils
{
LOG_ERROR("simple_http_connection_handler<t_connection_context>::analize_cached_request_header_and_invoke_state(): failed to anilize request header: " << m_cache);
m_state = http_state_error;
return false;
}
if (!m_config.m_required_user_agent.empty() && m_query_info.m_header_info.m_user_agent != m_config.m_required_user_agent)
{
LOG_ERROR("simple_http_connection_handler<t_connection_context>::analize_cached_request_header_and_invoke_state(): unexpected user agent: " << m_query_info.m_header_info.m_user_agent);
m_state = http_state_error;
return false;
}
m_cache.erase(0, pos);
std::string req_command_str = m_query_info.m_full_request_str;
@ -473,10 +482,10 @@ namespace net_utils
LOG_FRAME("http_stream_filter::parse_cached_header(*)", LOG_LEVEL_3);
STATIC_REGEXP_EXPR_1(rexp_mach_field,
"\n?((Connection)|(Referer)|(Content-Length)|(Content-Type)|(Transfer-Encoding)|(Content-Encoding)|(Host)|(Cookie)"
// 12 3 4 5 6 7 8 9
"\n?((Connection)|(Referer)|(Content-Length)|(Content-Type)|(Transfer-Encoding)|(Content-Encoding)|(Host)|(Cookie)|(User-Agent)"
// 12 3 4 5 6 7 8 9 10
"|([\\w-]+?)) ?: ?((.*?)(\r?\n))[^\t ]",
//10 1112 13
//11 1213 14
boost::regex::icase | boost::regex::normal);
boost::smatch result;
@ -488,8 +497,8 @@ namespace net_utils
//lookup all fields and fill well-known fields
while( boost::regex_search( it_current_bound, it_end_bound, result, rexp_mach_field, boost::match_default) && result[0].matched)
{
const size_t field_val = 12;
const size_t field_etc_name = 10;
const size_t field_val = 13;
const size_t field_etc_name = 11;
int i = 2; //start position = 2
if(result[i++].matched)//"Connection"
@ -508,6 +517,8 @@ namespace net_utils
body_info.m_host = result[field_val];
else if(result[i++].matched)//"Cookie"
body_info.m_cookie = result[field_val];
else if(result[i++].matched)//"User-Agent"
body_info.m_user_agent = result[field_val];
else if(result[i++].matched)//e.t.c (HAVE TO BE MATCHED!)
body_info.m_etc_fields.push_back(std::pair<std::string, std::string>(result[field_etc_name], result[field_val]));
else

5
contrib/epee/include/net/http_server_impl_base.h
View file

@ -52,7 +52,7 @@ namespace epee
: m_net_server(external_io_service)
{}
bool init(const std::string& bind_port = "0", const std::string& bind_ip = "0.0.0.0")
bool init(const std::string& bind_port = "0", const std::string& bind_ip = "0.0.0.0", const std::string &user_agent = "")
{
//set self as callback handler
@ -61,6 +61,9 @@ namespace epee
//here set folder for hosting reqests
m_net_server.get_config_object().m_folder = "";
// workaround till we get auth/encryption
m_net_server.get_config_object().m_required_user_agent = user_agent;
LOG_PRINT_L0("Binding on " << bind_ip << ":" << bind_port);
bool res = m_net_server.init_server(bind_port, bind_ip);
if(!res)

1
src/common/command_line.cpp
View file

@ -48,6 +48,7 @@ namespace command_line
const arg_descriptor<bool> arg_version = {"version", "Output version information"};
const arg_descriptor<std::string> arg_data_dir = {"data-dir", "Specify data directory"};
const arg_descriptor<std::string> arg_testnet_data_dir = {"testnet-data-dir", "Specify testnet data directory"};
const arg_descriptor<std::string> arg_user_agent = {"user-agent", "Restrict RPC use to clients using this user agent"};
const arg_descriptor<bool> arg_test_drop_download = {"test-drop-download", "For net tests: in download, discard ALL blocks instead checking/saving them (very fast)"};
const arg_descriptor<uint64_t> arg_test_drop_download_height = {"test-drop-download-height", "Like test-drop-download but disards only after around certain height", 0};
const arg_descriptor<int> arg_test_dbg_lock_sleep = {"test-dbg-lock-sleep", "Sleep time in ms, defaults to 0 (off), used to debug before/after locking mutex. Values 100 to 1000 are good for tests."};

1
src/common/command_line.h
View file

@ -204,6 +204,7 @@ namespace command_line
extern const arg_descriptor<bool> arg_version;
extern const arg_descriptor<std::string> arg_data_dir;
extern const arg_descriptor<std::string> arg_testnet_data_dir;
extern const arg_descriptor<std::string> arg_user_agent;
extern const arg_descriptor<bool> arg_test_drop_download;
extern const arg_descriptor<uint64_t> arg_test_drop_download_height;
extern const arg_descriptor<int> arg_test_dbg_lock_sleep;

3
src/daemon/command_parser_executor.cpp
View file

@ -34,10 +34,11 @@ namespace daemonize {
t_command_parser_executor::t_command_parser_executor(
uint32_t ip
, uint16_t port
, const std::string &user_agent
, bool is_rpc
, cryptonote::core_rpc_server* rpc_server
)
: m_executor(ip, port, is_rpc, rpc_server)
: m_executor(ip, port, user_agent, is_rpc, rpc_server)
{}
bool t_command_parser_executor::print_peer_list(const std::vector<std::string>& args)

1
src/daemon/command_parser_executor.h
View file

@ -49,6 +49,7 @@ public:
t_command_parser_executor(
uint32_t ip
, uint16_t port
, const std::string &user_agent
, bool is_rpc
, cryptonote::core_rpc_server* rpc_server = NULL
);

3
src/daemon/command_server.cpp
View file

@ -37,10 +37,11 @@ namespace p = std::placeholders;
t_command_server::t_command_server(
uint32_t ip
, uint16_t port
, const std::string &user_agent
, bool is_rpc
, cryptonote::core_rpc_server* rpc_server
)
: m_parser(ip, port, is_rpc, rpc_server)
: m_parser(ip, port, user_agent, is_rpc, rpc_server)
, m_command_lookup()
, m_is_rpc(is_rpc)
{

1
src/daemon/command_server.h
View file

@ -54,6 +54,7 @@ public:
t_command_server(
uint32_t ip
, uint16_t port
, const std::string &user_agent
, bool is_rpc = true
, cryptonote::core_rpc_server* rpc_server = NULL
);

2
src/daemon/daemon.cpp
View file

@ -124,7 +124,7 @@ bool t_daemon::run(bool interactive)
if (interactive)
{
rpc_commands = new daemonize::t_command_server(0, 0, false, mp_internals->rpc.get_server());
rpc_commands = new daemonize::t_command_server(0, 0, "", false, mp_internals->rpc.get_server());
rpc_commands->start_handling(std::bind(&daemonize::t_daemon::stop_p2p, this));
}

3
src/daemon/main.cpp
View file

@ -208,6 +208,7 @@ int main(int argc, char const * argv[])
{
rpc_port_str = command_line::get_arg(vm, cryptonote::core_rpc_server::arg_testnet_rpc_bind_port);
}
auto user_agent = command_line::get_arg(vm, cryptonote::core_rpc_server::arg_user_agent);
uint32_t rpc_ip;
uint16_t rpc_port;
@ -222,7 +223,7 @@ int main(int argc, char const * argv[])
return 1;
}
daemonize::t_command_server rpc_commands{rpc_ip, rpc_port};
daemonize::t_command_server rpc_commands{rpc_ip, rpc_port, user_agent};
if (rpc_commands.process_command_vec(command))
{
return 0;

1
src/daemon/rpc_command_executor.cpp
View file

@ -92,6 +92,7 @@ namespace {
t_rpc_command_executor::t_rpc_command_executor(
uint32_t ip
, uint16_t port
, const std::string &user_agent
, bool is_rpc
, cryptonote::core_rpc_server* rpc_server
)

1
src/daemon/rpc_command_executor.h
View file

@ -57,6 +57,7 @@ public:
t_rpc_command_executor(
uint32_t ip
, uint16_t port
, const std::string &user_agent
, bool is_rpc = true
, cryptonote::core_rpc_server* rpc_server = NULL
);

10
src/rpc/core_rpc_server.cpp
View file

@ -54,6 +54,7 @@ namespace cryptonote
command_line::add_arg(desc, arg_rpc_bind_port);
command_line::add_arg(desc, arg_testnet_rpc_bind_port);
command_line::add_arg(desc, arg_restricted_rpc);
command_line::add_arg(desc, arg_user_agent);
}
//------------------------------------------------------------------------------------------------------------------------------
core_rpc_server::core_rpc_server(
@ -81,11 +82,12 @@ namespace cryptonote
)
{
m_testnet = command_line::get_arg(vm, command_line::arg_testnet_on);
std::string m_user_agent = command_line::get_arg(vm, command_line::arg_user_agent);
m_net_server.set_threads_prefix("RPC");
bool r = handle_command_line(vm);
CHECK_AND_ASSERT_MES(r, false, "Failed to process command line in core_rpc_server");
return epee::http_server_impl_base<core_rpc_server, connection_context>::init(m_port, m_bind_ip);
return epee::http_server_impl_base<core_rpc_server, connection_context>::init(m_port, m_bind_ip, m_user_agent);
}
//------------------------------------------------------------------------------------------------------------------------------
bool core_rpc_server::check_core_busy()
@ -1277,4 +1279,10 @@ namespace cryptonote
, false
};
const command_line::arg_descriptor<std::string> core_rpc_server::arg_user_agent = {
"user-agent"
, "Restrict RPC to clients using this user agent"
, ""
};
} // namespace cryptonote

1
src/rpc/core_rpc_server.h
View file

@ -56,6 +56,7 @@ namespace cryptonote
static const command_line::arg_descriptor<std::string> arg_rpc_bind_port;
static const command_line::arg_descriptor<std::string> arg_testnet_rpc_bind_port;
static const command_line::arg_descriptor<bool> arg_restricted_rpc;
static const command_line::arg_descriptor<std::string> arg_user_agent;
typedef epee::net_utils::connection_context_base connection_context;

5
src/wallet/wallet_rpc_server.cpp
View file

@ -45,11 +45,13 @@ namespace tools
//-----------------------------------------------------------------------------------
const command_line::arg_descriptor<std::string> wallet_rpc_server::arg_rpc_bind_port = {"rpc-bind-port", "Starts wallet as rpc server for wallet operations, sets bind port for server", "", true};
const command_line::arg_descriptor<std::string> wallet_rpc_server::arg_rpc_bind_ip = {"rpc-bind-ip", "Specify ip to bind rpc server", "127.0.0.1"};
const command_line::arg_descriptor<std::string> wallet_rpc_server::arg_user_agent = {"user-agent", "Restrict RPC to clients using this user agent", ""};
void wallet_rpc_server::init_options(boost::program_options::options_description& desc)
{
command_line::add_arg(desc, arg_rpc_bind_ip);
command_line::add_arg(desc, arg_rpc_bind_port);
command_line::add_arg(desc, arg_user_agent);
}
//------------------------------------------------------------------------------------------------------------------------------
wallet_rpc_server::wallet_rpc_server(wallet2& w):m_wallet(w)
@ -83,6 +85,7 @@ namespace tools
{
m_bind_ip = command_line::get_arg(vm, arg_rpc_bind_ip);
m_port = command_line::get_arg(vm, arg_rpc_bind_port);
m_user_agent = command_line::get_arg(vm, arg_user_agent);
return true;
}
//------------------------------------------------------------------------------------------------------------------------------
@ -91,7 +94,7 @@ namespace tools
m_net_server.set_threads_prefix("RPC");
bool r = handle_command_line(vm);
CHECK_AND_ASSERT_MES(r, false, "Failed to process command line in core_rpc_server");
return epee::http_server_impl_base<wallet_rpc_server, connection_context>::init(m_port, m_bind_ip);
return epee::http_server_impl_base<wallet_rpc_server, connection_context>::init(m_port, m_bind_ip, m_user_agent);
}
//------------------------------------------------------------------------------------------------------------------------------
bool wallet_rpc_server::on_getbalance(const wallet_rpc::COMMAND_RPC_GET_BALANCE::request& req, wallet_rpc::COMMAND_RPC_GET_BALANCE::response& res, epee::json_rpc::error& er)

2
src/wallet/wallet_rpc_server.h
View file

@ -50,6 +50,7 @@ namespace tools
const static command_line::arg_descriptor<std::string> arg_rpc_bind_port;
const static command_line::arg_descriptor<std::string> arg_rpc_bind_ip;
const static command_line::arg_descriptor<std::string> arg_user_agent;
static void init_options(boost::program_options::options_description& desc);
@ -120,6 +121,7 @@ namespace tools
wallet2& m_wallet;
std::string m_port;
std::string m_bind_ip;
std::string m_user_agent;
std::atomic<bool> m_stop;
};
}