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| author | ShadowNinja <shadowninja@minetest.net> | 2014-01-11 14:08:02 -0500 |
|---|---|---|
| committer | ShadowNinja <shadowninja@minetest.net> | 2014-01-11 14:08:02 -0500 |
| commit | a3586cd18d5a6182a578dc08a6dbc23e16df4c14 (patch) | |
| tree | c0f0a0715086912b5f9b99edc85dedca4866fcf3 /src | |
| parent | a9df87ede06f8f0f69e3481cf58f6d59d3f9ebbf (diff) | |
| download | minetest-a3586cd18d5a6182a578dc08a6dbc23e16df4c14.tar.gz minetest-a3586cd18d5a6182a578dc08a6dbc23e16df4c14.tar.bz2 minetest-a3586cd18d5a6182a578dc08a6dbc23e16df4c14.zip | |
Add maximum recursion depth to read_json_value
Diffstat (limited to 'src')
| -rw-r--r-- | src/script/common/c_content.cpp | 7 | ||||
| -rw-r--r-- | src/script/common/c_content.h | 3 |
2 files changed, 7 insertions, 3 deletions
diff --git a/src/script/common/c_content.cpp b/src/script/common/c_content.cpp index 962391a04..c4acb7c32 100644 --- a/src/script/common/c_content.cpp +++ b/src/script/common/c_content.cpp @@ -1088,8 +1088,11 @@ bool push_json_value(lua_State *L, const Json::Value &value, int nullindex) } // Converts Lua table --> JSON -void read_json_value(lua_State *L, Json::Value &root, int index) +void read_json_value(lua_State *L, Json::Value &root, int index, u8 recursion) { + if (recursion > 16) { + throw SerializationError("Maximum recursion depth exceeded"); + } int type = lua_type(L, index); if (type == LUA_TBOOLEAN) { root = (bool) lua_toboolean(L, index); @@ -1104,7 +1107,7 @@ void read_json_value(lua_State *L, Json::Value &root, int index) while (lua_next(L, index)) { // Key is at -2 and value is at -1 Json::Value value; - read_json_value(L, value, lua_gettop(L)); + read_json_value(L, value, lua_gettop(L), recursion + 1); Json::ValueType roottype = root.type(); int keytype = lua_type(L, -1); diff --git a/src/script/common/c_content.h b/src/script/common/c_content.h index c2d84ac11..163e803db 100644 --- a/src/script/common/c_content.h +++ b/src/script/common/c_content.h @@ -152,7 +152,8 @@ bool push_json_value (lua_State *L, int nullindex); void read_json_value (lua_State *L, Json::Value &root, - int index); + int index, + u8 recursion = 0); extern struct EnumString es_TileAnimationType[]; |