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Fix too restrictive Lua sandbox

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Don't limit the environment when evaluating bytecode (factory function).
This commit is contained in:
Robin Gareus 2017-08-26 15:38:41 +02:00
parent b25b99216c
commit 8c556fcbdc
1 changed files with 2 additions and 2 deletions
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4
gtk2_ardour/luainstance.cc
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@ -1061,7 +1061,7 @@ LuaInstance::init ()
" assert(type(f) == 'function', 'Factory is a not a function')"
" assert(type(a) == 'table' or type(a) == 'nil', 'Given argument is invalid')"
" self.scripts[i] = { ['n'] = n, ['s'] = s, ['f'] = f, ['a'] = a, ['c'] = c }"
" local env = _ENV; env.f = nil env.io = nil"
" local env = _ENV; env.f = nil"
" self.instances[i] = load (string.dump(f, true), nil, nil, env)(a)"
" if type(c) == 'function' then"
" self.icons[i] = load (string.dump(c, true), nil, nil, env)(a)"
@ -1792,7 +1792,7 @@ LuaCallback::init (void)
" assert(type(f) == 'function', 'Factory is a not a function')"
" assert(type(a) == 'table' or type(a) == 'nil', 'Given argument is invalid')"
" self.script = { ['n'] = n, ['s'] = s, ['f'] = f, ['a'] = a }"
" local env = _ENV; env.f = nil env.io = nil"
" local env = _ENV; env.f = nil"
" self.instance = load (string.dump(f, true), nil, nil, env)(a)"
" end"
""