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LocalRouterInfo for own router

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orignal 2022-01-15 12:48:49 -05:00
parent 843a968959
commit 338b17ccf1
4 changed files with 59 additions and 36 deletions
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63
libi2pd/RouterInfo.cpp
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@ -99,10 +99,7 @@ namespace data
// don't clean up m_Addresses, it will be replaced in ReadFromStream
m_Properties.clear ();
// copy buffer
if (!m_Buffer)
m_Buffer = netdb.NewRouterInfoBuffer ();
memcpy (m_Buffer->data (), buf, len);
m_BufferLen = len;
UpdateBuffer (buf, len);
// skip identity
size_t identityLen = m_RouterIdentity->GetFullLen ();
// read new RI
@ -787,29 +784,6 @@ namespace data
return m_Buffer->data ();
}
void RouterInfo::CreateBuffer (const PrivateKeys& privateKeys)
{
m_Timestamp = i2p::util::GetMillisecondsSinceEpoch (); // refresh timstamp
std::stringstream s;
uint8_t ident[1024];
auto identLen = privateKeys.GetPublic ()->ToBuffer (ident, 1024);
auto signatureLen = privateKeys.GetPublic ()->GetSignatureLen ();
s.write ((char *)ident, identLen);
WriteToStream (s);
m_BufferLen = s.str ().size ();
if (!m_Buffer)
m_Buffer = netdb.NewRouterInfoBuffer ();
if (m_BufferLen + signatureLen < MAX_RI_BUFFER_SIZE)
{
memcpy (m_Buffer->data (), s.str ().c_str (), m_BufferLen);
// signature
privateKeys.Sign ((uint8_t *)m_Buffer->data (), m_BufferLen, (uint8_t *)m_Buffer->data () + m_BufferLen);
m_BufferLen += signatureLen;
}
else
LogPrint (eLogError, "RouterInfo: Our RouterInfo is too long ", m_BufferLen + signatureLen);
}
bool RouterInfo::SaveToFile (const std::string& fullPath)
{
if (!m_Buffer)
@ -1258,5 +1232,40 @@ namespace data
m_SupportedTransports |= transports;
}
}
void RouterInfo::UpdateBuffer (const uint8_t * buf, size_t len)
{
if (!m_Buffer)
m_Buffer = netdb.NewRouterInfoBuffer ();
if (len > m_Buffer->size ()) len = m_Buffer->size ();
memcpy (m_Buffer->data (), buf, len);
m_BufferLen = len;
}
void RouterInfo::RefreshTimestamp ()
{
m_Timestamp = i2p::util::GetMillisecondsSinceEpoch ();
}
void LocalRouterInfo::CreateBuffer (const PrivateKeys& privateKeys)
{
RefreshTimestamp ();
std::stringstream s;
uint8_t ident[1024];
auto identLen = privateKeys.GetPublic ()->ToBuffer (ident, 1024);
auto signatureLen = privateKeys.GetPublic ()->GetSignatureLen ();
s.write ((char *)ident, identLen);
WriteToStream (s);
size_t len = s.str ().size ();
if (len + signatureLen < MAX_RI_BUFFER_SIZE)
{
UpdateBuffer ((const uint8_t *)s.str ().c_str (), len);
// signature
privateKeys.Sign (GetBuffer (), len, GetBufferPointer (len));
SetBufferLen (len + signatureLen);
}
else
LogPrint (eLogError, "RouterInfo: Our RouterInfo is too long ", len + signatureLen);
}
}
}