Mirrors/i2pd
2
0
Fork 0
mirror of https://github.com/PurpleI2P/i2pd.git synced 2025-08-26 10:10:24 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

send Datagram2
Some checks failed
Build on Windows / CMake clang-x86_64 (push) Has been cancelled
Details
Build on Windows / CMake i686 (push) Has been cancelled
Details
Build Debian packages / bookworm (push) Has been cancelled
Details
Build Debian packages / bullseye (push) Has been cancelled
Details
Build Debian packages / trixie (push) Has been cancelled
Details
Build on FreeBSD / with UPnP (push) Has been cancelled
Details
Build on OSX / With USE_UPNP=no (push) Has been cancelled
Details
Build on OSX / With USE_UPNP=yes (push) Has been cancelled
Details
Build on Windows / clang-x86_64 (push) Has been cancelled
Details
Build on Windows / i686 (push) Has been cancelled
Details
Build on Windows / ucrt-x86_64 (push) Has been cancelled
Details
Build on Windows / x86_64 (push) Has been cancelled
Details
Build on Windows / CMake ucrt-x86_64 (push) Has been cancelled
Details
Build on Windows / CMake x86_64 (push) Has been cancelled
Details
Build on Windows / XP (push) Has been cancelled
Details
Build on Ubuntu / Make with USE_UPNP=no (push) Has been cancelled
Details
Build on Ubuntu / Make with USE_UPNP=yes (push) Has been cancelled
Details
Build on Ubuntu / CMake with -DWITH_UPNP=OFF (push) Has been cancelled
Details
Build on Ubuntu / CMake with -DWITH_UPNP=ON (push) Has been cancelled
Details
Build containers / Building container for linux/amd64 (push) Has been cancelled
Details
Build containers / Building container for linux/arm64 (push) Has been cancelled
Details
Build containers / Building container for linux/arm/v7 (push) Has been cancelled
Details
Build containers / Building container for linux/386 (push) Has been cancelled
Details
Build containers / Pushing merged manifest (push) Has been cancelled
Details

Browse source
This commit is contained in:
orignal 2025-08-09 19:35:55 -04:00
parent 9276042078
commit 2fb8ca9cc7
1 changed files with 39 additions and 18 deletions
Download patch file Download diff file Expand all files Collapse all files

55
libi2pd/Datagram.cpp
View file

@ -60,28 +60,49 @@ namespace datagram
{
if (session)
{
if (session->GetVersion () == eDatagramV3)
std::shared_ptr<I2NPMessage> msg;
switch (session->GetVersion ())
{
constexpr uint8_t flags[] = { 0x00, 0x03 }; // datagram3, no options
auto msg = CreateDataMessage ({{m_Owner->GetIdentity ()->GetIdentHash (), 32},
{flags, 2}, {payload, len}}, fromPort, toPort, i2p::client::PROTOCOL_TYPE_DATAGRAM3, false); // datagram3
session->SendMsg(msg);
}
else
{
if (m_Owner->GetIdentity ()->GetSigningKeyType () == i2p::data::SIGNING_KEY_TYPE_DSA_SHA1)
case eDatagramV3:
{
uint8_t hash[32];
SHA256(payload, len, hash);
m_Owner->Sign (hash, 32, m_Signature.data ());
constexpr uint8_t flags[] = { 0x00, 0x03 }; // datagram3, no options
msg = CreateDataMessage ({{m_Owner->GetIdentity ()->GetIdentHash (), 32},
{flags, 2}, {payload, len}}, fromPort, toPort, i2p::client::PROTOCOL_TYPE_DATAGRAM3, false); // datagram3
break;
}
else
m_Owner->Sign (payload, len, m_Signature.data ());
case eDatagramV1:
{
if (m_Owner->GetIdentity ()->GetSigningKeyType () == i2p::data::SIGNING_KEY_TYPE_DSA_SHA1)
{
uint8_t hash[32];
SHA256(payload, len, hash);
m_Owner->Sign (hash, 32, m_Signature.data ());
}
else
m_Owner->Sign (payload, len, m_Signature.data ());
msg = CreateDataMessage ({{m_From.data (), m_From.size ()}, {m_Signature.data (), m_Signature.size ()}, {payload, len}},
fromPort, toPort, i2p::client::PROTOCOL_TYPE_DATAGRAM, !session->IsRatchets ()); // datagram1
break;
}
case eDatagramV2:
{
constexpr uint8_t flags[] = { 0x00, 0x02 }; // datagram2, no options
// signature
std::vector<uint8_t> signedData (len + 32 + 2);
memcpy (signedData.data (), m_Owner->GetIdentity ()->GetIdentHash (), 32);
memcpy (signedData.data () + 32, flags, 2);
memcpy (signedData.data () + 34, payload, len);
m_Owner->Sign (signedData.data (), signedData.size (), m_Signature.data ());
// TODO: offline signatures and options
msg = CreateDataMessage ({{m_From.data (), m_From.size ()}, {flags, 2}, {payload, len},
{m_Signature.data (), m_Signature.size ()}}, fromPort, toPort, i2p::client::PROTOCOL_TYPE_DATAGRAM2, false); // datagram2
auto msg = CreateDataMessage ({{m_From.data (), m_From.size ()}, {m_Signature.data (), m_Signature.size ()}, {payload, len}},
fromPort, toPort, i2p::client::PROTOCOL_TYPE_DATAGRAM, !session->IsRatchets ()); // datagram1
session->SendMsg(msg);
break;
}
default:
LogPrint (eLogError, "Datagram: datagram type ", (int)session->GetVersion (), " is not supported");
}
if (msg) session->SendMsg(msg);
}
}