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Merge pull request #8275

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9209880 add a sanity check to RPC input data size (moneromooo-monero)
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luigi1111 2022-04-25 10:22:03 -05:00
commit 67e5ca9ad6
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4 changed files with 15 additions and 0 deletions
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2
contrib/epee/include/net/http_protocol_handler.h
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@ -55,6 +55,7 @@ namespace net_utils
std::string m_folder;
std::vector<std::string> m_access_control_origins;
boost::optional<login> m_user;
size_t m_max_content_length{std::numeric_limits<size_t>::max()};
critical_section m_lock;
};
@ -141,6 +142,7 @@ namespace net_utils
config_type& m_config;
bool m_want_close;
size_t m_newlines;
size_t m_bytes_read;
protected:
i_service_endpoint* m_psnd_hndlr;
t_connection_context& m_conn_context;

10
contrib/epee/include/net/http_protocol_handler.inl
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@ -206,6 +206,7 @@ namespace net_utils
m_config(config),
m_want_close(false),
m_newlines(0),
m_bytes_read(0),
m_psnd_hndlr(psnd_hndlr),
m_conn_context(conn_context)
{
@ -221,6 +222,7 @@ namespace net_utils
m_query_info.clear();
m_len_summary = 0;
m_newlines = 0;
m_bytes_read = 0;
return true;
}
//--------------------------------------------------------------------------------------------
@ -243,6 +245,14 @@ namespace net_utils
size_t ndel;
m_bytes_read += buf.size();
if (m_bytes_read > m_config.m_max_content_length)
{
LOG_ERROR("simple_http_connection_handler::handle_buff_in: Too much data: got " << m_bytes_read);
m_state = http_state_error;
return false;
}
if(m_cache.size())
m_cache += buf;
else

1
src/cryptonote_config.h
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@ -126,6 +126,7 @@
#define COMMAND_RPC_GET_BLOCKS_FAST_MAX_BLOCK_COUNT 1000
#define COMMAND_RPC_GET_BLOCKS_FAST_MAX_TX_COUNT 20000
#define MAX_RPC_CONTENT_LENGTH 1048576 // 1 MB
#define P2P_LOCAL_WHITE_PEERLIST_LIMIT 1000
#define P2P_LOCAL_GRAY_PEERLIST_LIMIT 5000

2
src/rpc/core_rpc_server.cpp
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@ -365,6 +365,8 @@ namespace cryptonote
std::move(rpc_config->access_control_origins), std::move(http_login), std::move(rpc_config->ssl_options)
);
m_net_server.get_config_object().m_max_content_length = MAX_RPC_CONTENT_LENGTH;
if (store_ssl_key && inited)
{
// new keys were generated, store for next run