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Fix name query parsing for Classic/TBC

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Kelsi 2026-02-13 19:52:49 -08:00
parent bf39c0b900
commit 6af9d6ba2d
3 changed files with 86 additions and 2 deletions
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73
src/game/packet_parsers_tbc.cpp
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@ -459,5 +459,78 @@ bool TbcPacketParsers::parseAuraUpdate(network::Packet& /*packet*/, AuraUpdateDa
return false;
}
// ============================================================================
// TBC/Classic parseNameQueryResponse
//
// WotLK uses: packedGuid + uint8 found + name + realmName + u8 race + u8 gender + u8 class
// Classic/TBC commonly use: uint64 guid + [optional uint8 found] + CString name + uint32 race + uint32 gender + uint32 class
//
// Implement a robust parser that handles both classic-era variants.
// ============================================================================
static bool hasNullWithin(const network::Packet& p, size_t start, size_t maxLen) {
const auto& d = p.getData();
size_t end = std::min(d.size(), start + maxLen);
for (size_t i = start; i < end; i++) {
if (d[i] == 0) return true;
}
return false;
}
bool TbcPacketParsers::parseNameQueryResponse(network::Packet& packet, NameQueryResponseData& data) {
// Default all fields
data = NameQueryResponseData{};
size_t start = packet.getReadPos();
if (packet.getSize() - start < 8) return false;
// Variant A: guid(u64) + name + race(u32) + gender(u32) + class(u32)
{
packet.setReadPos(start);
data.guid = packet.readUInt64();
data.found = 0;
data.name = packet.readString();
if (!data.name.empty() && (packet.getSize() - packet.getReadPos()) >= 12) {
uint32_t race = packet.readUInt32();
uint32_t gender = packet.readUInt32();
uint32_t cls = packet.readUInt32();
data.race = static_cast<uint8_t>(race & 0xFF);
data.gender = static_cast<uint8_t>(gender & 0xFF);
data.classId = static_cast<uint8_t>(cls & 0xFF);
data.realmName.clear();
return true;
}
}
// Variant B: guid(u64) + found(u8) + [if found==0: name + race(u32)+gender(u32)+class(u32)]
{
packet.setReadPos(start);
data.guid = packet.readUInt64();
if (packet.getSize() - packet.getReadPos() < 1) {
packet.setReadPos(start);
return false;
}
uint8_t found = packet.readUInt8();
// Guard: only treat it as a found flag if a CString likely follows.
if ((found == 0 || found == 1) && hasNullWithin(packet, packet.getReadPos(), 64)) {
data.found = found;
if (data.found != 0) return true;
data.name = packet.readString();
if (!data.name.empty() && (packet.getSize() - packet.getReadPos()) >= 12) {
uint32_t race = packet.readUInt32();
uint32_t gender = packet.readUInt32();
uint32_t cls = packet.readUInt32();
data.race = static_cast<uint8_t>(race & 0xFF);
data.gender = static_cast<uint8_t>(gender & 0xFF);
data.classId = static_cast<uint8_t>(cls & 0xFF);
data.realmName.clear();
return true;
}
}
}
packet.setReadPos(start);
return false;
}
} // namespace game
} // namespace wowee