Project Hook

This is a project for hooking a server program of a certain Anime Game called "GayShit Inffect"

What is this for?

Report certain packet to http api in json format.

How to build?

make

How to use?

configure your config file,save as config.json,put it under same directory as where gameserver is.edit cmd_name_filter with the packet you wish to report.

{
  "cmd_name_filter": [
    "DoGachaRsp"
  ],
  "api_server":"http://127.0.0.1:21000",
  "api_path":"/packet_report"
}

#mkdir -p patch/lib
#echo 1162732_test.so > patch/installed
#cp <where_your_so_file_was_located>/1162732_test.so patch/lib/1162732_test.so
├── gameserver
└── patch
    ├── installed
    └── lib
        └── 1162732_test.so

tested on 3.2

it reports proto message in json format with region name and uid & cmd_name.

report example:

::ffff:127.0.0.1 - - [07/Aug/2024 00:00:23] "POST /packet_report?region=dev_gio_32&uid=1000&cmd_name=DoGachaRsp HTTP/1.1" 200 -

{
  "gachaTimesLimit": 4294967295,
  "tenCostItemNum": 10,
  "gachaTimes": 1,
  "gachaScheduleId": 913004,
  "leftGachaTimes": 4294967295,
  "tenCostItemId": 223,
  "costItemNum": 1,
  "newGachaRandom": 195,
  "gachaType": 202,
  "costItemId": 223,
  "gachaItemList": [
    {
      "gachaItem": {
        "itemId": 1020,
        "count": 1
      },
      "transferItems": [
        {
          "item": {
            "itemId": 1120,
            "count": 1
          }
        },
        {
          "item": {
            "itemId": 221,
            "count": 2
          }
        }
      ]
    }
  ],
  "curScheduleDailyGachaTimes": 32,
  "dailyGachaTimes": 56
}

Thanks:

Hotaru for tips of how to use internal hot_patch and internal milog api.

cpp-httplib: http library.

PFishHook: hook library.

zydis: disassembler library.

##Virus alike files lib/libxxx.a:
##those files was prebuilt libraries that project uses,if you dont trust this repo,compile them yourself.