Rim/iw7-mod
Rim/iw7-mod
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 1 Wiki Activity

Patch buffer overflow + fix build

Browse Source
This commit is contained in:
fed 2024-04-01 12:37:32 +02:00
parent 9a33ae77a6
commit 1bf2400164
No known key found for this signature in database
GPG Key ID: 1D2C630F04722996
2 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
deps/GSL vendored

@ -1 +1 @@
Subproject commit b39e7e4b0987859f5b19ff7686b149c916588658
Subproject commit caae4dd0f8343efb879369dcd08a2b18aae59f3b

13
src/client/component/network.cpp
View File

@ -230,6 +230,11 @@ namespace network
// Rather than try and let the player in, just tell them they are a duplicate player and reject connection
game::NET_OutOfBandPrint(game::NS_SERVER, from, "error\nYou are already connected to the server.");
}
void* memmove_stub(void* dst, void* src, size_t size)
{
return std::memmove(dst, src, std::min(size, 1262ull));
}
}
void send(const game::netadr_s& address, const std::string& command, const std::string& data, const char separator)
@ -360,17 +365,15 @@ namespace network
// ignore built in "print" oob command and add in our own
utils::hook::set<uint8_t>(0x9B0326_b, 0xEB);
network::on("print", [](const game::netadr_s&, const std::string_view& data)
{
const std::string message{ data };
console::info(message.data());
});
// initialize query_socket
utils::hook::jump(0xD57C7E_b, net_init_stub);
// use our own protocol version
utils::hook::jump(0xCE8290_b, get_protocol_version_stub);
// patch buffer overflow
utils::hook::call(0xBB4ABB_b, memmove_stub); // NET_DeferPacketToClient
}
};
}