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add a sanity check to RPC input data size

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reported by m31007
This commit is contained in:
moneromooo-monero
2022-04-21 22:22:56 +00:00
parent 9f814edbd7
commit 9209880e9c
4 changed files with 15 additions and 0 deletions
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contrib/epee/include/net/http_protocol_handler.h
+2
View File
@@ -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;
contrib/epee/include/net/http_protocol_handler.inl
+10
View File
@@ -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