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-rw-r--r--Build/source/texk/kpathsea/ChangeLog5
-rw-r--r--Build/source/texk/kpathsea/texmf.cnf16
2 files changed, 20 insertions, 1 deletions
diff --git a/Build/source/texk/kpathsea/ChangeLog b/Build/source/texk/kpathsea/ChangeLog
index 82b10a2ba0e..02bcecf7876 100644
--- a/Build/source/texk/kpathsea/ChangeLog
+++ b/Build/source/texk/kpathsea/ChangeLog
@@ -1,3 +1,8 @@
+2016-02-17 Karl Berry <karl@tug.org>
+
+ * texmf.cnf (openout_any.*lua*): set to a, since otherwise nothing
+ nontrivial can be run, as of TL'16. As I understand it.
+
2016-02-03 Akira Kakuto <kakuto@fuk.kindai.ac.jp>
* win32lib.[ch], mingw32.[ch]: Define a function
diff --git a/Build/source/texk/kpathsea/texmf.cnf b/Build/source/texk/kpathsea/texmf.cnf
index 33cc0b7c229..547219ba077 100644
--- a/Build/source/texk/kpathsea/texmf.cnf
+++ b/Build/source/texk/kpathsea/texmf.cnf
@@ -601,7 +601,21 @@ TEXMF_RESTRICTED_SCRIPTS = \
openin_any = a
openout_any = p
-% Write .log/.dvi/etc. files here, if the current directory is unwritable.
+% As of TeX Live 2016, the LuaTeX engines reimplemented the `p' setting
+% such that even the simplest documents could not be run. Besides, most
+% safeguards can be bypassed through Lua with sufficient effort.
+% Therefore we specific the reality here. For those concerned with
+% security and luatex, the --safer option is the place to start, and
+% running entirely in a sandboxed environment (ConTeXt has support for
+% this) is probably the place to end.
+openout_any.dvilualatex = a
+openout_any.dviluatex = a
+openout_any.luajittex = a
+openout_any.lualatex = a
+openout_any.lualollipop = a
+openout_any.luatex = a
+
+% Write .log/.dvi/.aux/etc. files here, if the current directory is unwritable.
%TEXMFOUTPUT = /tmp
% If a dynamic file creation fails, log the command to this file, in