minetest/minetest_game
1
0
Fork 2
mirror of https://github.com/minetest/minetest_game.git synced 2025-07-06 00:10:20 +02:00
Code Issues Releases Wiki Activity

Validate & sanitize formspec fields

Browse Source
This commit is contained in:
Lars Mueller
2023-03-30 21:11:59 +02:00
parent 8eb4437ac8
commit 8ccce750c6
4 changed files with 16 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
mods/default/craftitems.lua
View File

@ -148,7 +148,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
return
end
if fields.close then
if fields.quit then
book_writers[player_name] = nil
end
@ -179,6 +179,7 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
data.description = S("\"@1\" by @2", short_title, data.owner)
data.text = fields.text:sub(1, max_text_size)
data.text = data.text:gsub("\r\n", "\n"):gsub("\r", "\n")
data.text = data.text:gsub("[%z-\8\11-\31\127]", "") -- strip naughty control characters (keeps \t and \n)
data.page = 1
data.page_max = math.ceil((#data.text:gsub("[^\n]", "") + 1) / lpp)