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Network: Fix serialization version checks (#15477)

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This fixes some incorrect assumptions that the read and write version ranges are identical - whereas they're in fact not.
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SmallJoker 2024-11-27 18:39:57 +01:00 • committed by GitHub
parent 6c324cb871
commit c175046d30
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11 changed files with 46 additions and 49 deletions
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6
src/network/clientpackethandler.cpp
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@ -63,7 +63,7 @@ void Client::handleCommand_Hello(NetworkPacket* pkt)
if (pkt->getSize() < 1)
return;
u8 serialization_ver;
u8 serialization_ver; // negotiated value
u16 proto_ver;
u16 unused_compression_mode;
u32 auth_mechs;
@ -80,9 +80,9 @@ void Client::handleCommand_Hello(NetworkPacket* pkt)
<< ", proto_ver=" << proto_ver
<< ". Doing auth with mech " << chosen_auth_mechanism << std::endl;
if (!ser_ver_supported(serialization_ver)) {
if (!ser_ver_supported_read(serialization_ver)) {
infostream << "Client: TOCLIENT_HELLO: Server sent "
<< "unsupported ser_fmt_ver"<< std::endl;
<< "unsupported ser_fmt_ver=" << (int)serialization_ver << std::endl;
return;
}