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limit HTTP header size

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orignal 2022-08-23 19:06:28 -04:00
parent 150b8f8cbd
commit 5b19237a85
2 changed files with 14 additions and 3 deletions
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14
libi2pd_client/I2PTunnel.cpp
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@ -321,8 +321,13 @@ namespace client
m_HeaderSent = true;
I2PTunnelConnection::Write ((uint8_t *)m_OutHeader.str ().c_str (), m_OutHeader.str ().length ());
}
else
else if (m_OutHeader.tellp () < I2P_TUNNEL_HTTP_MAX_HEADER_SIZE)
StreamReceive (); // read more header
else
{
LogPrint (eLogError, "I2PTunnel: HTTP header exceeds max size ", I2P_TUNNEL_HTTP_MAX_HEADER_SIZE);
Terminate ();
}
}
}
@ -406,8 +411,13 @@ namespace client
m_HeaderSent = true;
I2PTunnelConnection::Write ((uint8_t *)m_OutHeader.str ().c_str (), m_OutHeader.str ().length ());
}
else if (m_OutHeader.tellp () < I2P_TUNNEL_HTTP_MAX_HEADER_SIZE)
StreamReceive (); // read more header
else
StreamReceive (); // read more header
{
LogPrint (eLogError, "I2PTunnel: HTTP header exceeds max size ", I2P_TUNNEL_HTTP_MAX_HEADER_SIZE);
Terminate ();
}
}
}

3
libi2pd_client/I2PTunnel.h
View file

@ -34,7 +34,8 @@ namespace client
const char X_I2P_DEST_HASH[] = "X-I2P-DestHash"; // hash in base64
const char X_I2P_DEST_B64[] = "X-I2P-DestB64"; // full address in base64
const char X_I2P_DEST_B32[] = "X-I2P-DestB32"; // .b32.i2p address
const int I2P_TUNNEL_HTTP_MAX_HEADER_SIZE = 8192;
class I2PTunnelConnection: public I2PServiceHandler, public std::enable_shared_from_this<I2PTunnelConnection>
{
public: