Index: texk/web2c/luatexdir/lua/liolibext.c
===================================================================
--- texk/web2c/luatexdir/lua/liolibext.c	(revision 44589)
+++ texk/web2c/luatexdir/lua/liolibext.c	(revision 44590)
@@ -365,7 +365,7 @@
         lua_pushliteral(L,"all command execution is disabled");
     } else if (restrictedshell == 0) {
         lua_pushboolean(L,1);
-        lua_pushliteral(L,"all commands are permitted");
+        lua_pushstring(L,filename);
     } else {
         char *safecmd = NULL;
         char *cmdname = NULL;
@@ -374,10 +374,6 @@
                 lua_pushboolean(L,0);
                 lua_pushliteral(L, "specific command execution disabled");
                 break;
-            case 1:
-                lua_pushboolean(L,1);
-                lua_pushstring(L,filename);
-                break;
             case 2:
                 lua_pushboolean(L,1);
                 lua_pushstring(L,safecmd);
Index: texk/web2c/luatexdir/lua/luatex-core.c
===================================================================
--- texk/web2c/luatexdir/lua/luatex-core.c	(revision 44589)
+++ texk/web2c/luatexdir/lua/luatex-core.c	(revision 44590)
@@ -52,7 +52,7 @@
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+    0x64, 0x29, 0x29, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x65, 0x6e, 0x64, 0x0a, 0x0a, 0x20, 0x20, 0x20,
+    0x20, 0x66, 0x75, 0x6e, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x6d, 0x64, 0x35, 0x2e, 0x73, 0x75,
+    0x6d, 0x48, 0x45, 0x58, 0x41, 0x28, 0x6b, 0x29, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x72, 0x65, 0x74, 0x75, 0x72, 0x6e, 0x20, 0x28, 0x67, 0x73, 0x75, 0x62, 0x28, 0x73, 0x75,
+    0x6d, 0x28, 0x6b, 0x29, 0x2c, 0x20, 0x22, 0x2e, 0x22, 0x2c, 0x20, 0x66, 0x75, 0x6e, 0x63, 0x74,
+    0x69, 0x6f, 0x6e, 0x28, 0x63, 0x29, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
+    0x20, 0x20, 0x20, 0x72, 0x65, 0x74, 0x75, 0x72, 0x6e, 0x20, 0x66, 0x6f, 0x72, 0x6d, 0x61, 0x74,
+    0x28, 0x22, 0x25, 0x30, 0x32, 0x58, 0x22, 0x2c, 0x62, 0x79, 0x74, 0x65, 0x28, 0x63, 0x29, 0x29,
+    0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x65, 0x6e, 0x64, 0x29, 0x29, 0x0a, 0x20,
+    0x20, 0x20, 0x20, 0x65, 0x6e, 0x64, 0x0a, 0x0a, 0x65, 0x6e, 0x64, 0x0a, 0x0a, 0x00
   };
   return luaL_dostring(L, (const char*) luatex_core_lua);
 }
\ No newline at end of file
Index: texk/web2c/luatexdir/lua/luatex-core.lua
===================================================================
--- texk/web2c/luatexdir/lua/luatex-core.lua	(revision 44589)
+++ texk/web2c/luatexdir/lua/luatex-core.lua	(revision 44590)
@@ -1,210 +1,213 @@
--- if not modules then modules = { } end modules ['luatex-core'] = {
---     version   = 1.001,
---     comment   = 'companion to luatex',
---     author    = 'Hans Hagen & Luigi Scarso',
---     copyright = 'LuaTeX Development Team',
--- }
-
-LUATEXCOREVERSION = 1.002
-
--- This file overloads some Lua functions. The readline variants provide the same
--- functionality as LuaTeX <= 1.04 and doing it this way permits us to keep the
--- original io libraries clean. Performance is probably even a bit better now.
-
-local type, next, getmetatable, require = type, next, getmetatable, require
-local find, gsub = string.find, string.gsub
-
-local io_open             = io.open
-local io_popen            = io.popen
-local io_line             = io.lines
-
-local fio_readline        = fio.readline
-local fio_checkpermission = fio.checkpermission
-local fio_recordfilename  = fio.recordfilename
-
-local mt                  = getmetatable(io.stderr)
-local mt_lines            = mt.lines
-local saferoption         = status.safer_option
-local shellescape         = status.shell_escape -- 0 (disabled) 1 (anything) 2 (restricted)
-local kpseused            = status.kpse_used    -- 0 1
-
-io.saved_open             = io_open  -- can be protected
-io.saved_popen            = io_popen -- can be protected
-io.saved_lines            = io_lines -- always readonly
-mt.saved_lines            = mt_lines -- always readonly
-
-local function luatex_io_open(name,how)
-    if not how then
-        how = 'r'
-    end
-    local f = io_open(name,how)
-    if f then
-        if type(how) == 'string' and find(how,'w') then
-            fio_recordfilename(name,'w')
-        else
-            fio_recordfilename(name,'r')
-        end
-    end
-    return f
-end
-
-local function luatex_io_open_readonly(name,how)
-    if how then
-        how = 'r'
-    else
-        how = gsub(how,'[^rb]','')
-        if how == '' then
-            how = 'r'
-        end
-    end
-    local f = io_open(name,how)
-    if f then
-        fio_recordfilename(name,'r')
-    end
-    return f
-end
-
-local function luatex_io_popen(name,...)
-    local okay, found = fio_checkpermission(name)
-    if okay and found then
-        return io_popen(found,...)
-    end
-end
-
-local function luatex_io_lines(name)
-    local f = io_open(name,'r')
-    if f then
-        return function()
-            return fio_readline(f)
-        end
-    end
-end
-
-local function luatex_io_readline(f)
-    return function()
-        return fio_readline(f)
-    end
-end
-
-io.lines = luatex_io_lines
-mt.lines = luatex_io_readline
-
--- We assume management to be provided by the replacement of kpse. This is the
--- case in ConTeXt.
-
-if kpseused == 1 then
-
-    io.open  = luatex_io_open
-    io.popen = luatex_io_popen
-
-end
-
-if saferoption == 1 then
-
-    os.execute = nil
-    os.spawn   = nil
-    os.exec    = nil
-    os.setenv  = nil
-    os.tempdir = nil
-
-    io.popen   = nil
-    io.open    = nil
-
-    os.rename  = nil
-    os.remove  = nil
-
-    io.tmpfile = nil
-    io.output  = nil
-
-    lfs.chdir  = nil
-    lfs.lock   = nil
-    lfs.touch  = nil
-    lfs.rmdir  = nil
-    lfs.mkdir  = nil
-
-    io.saved_popen = nil
-    io.saved_open  = luatex_io_open_readonly
-
-end
-
-if saferoption == 1 or shellescape ~= 1 then
-
-    ffi = require('ffi')
-    for k, v in next, ffi do
-        if k ~= 'gc' then
-            ffi[k] = nil
-        end
-    end
-    ffi = nil
-
-end
-
--- os.[execute|os.spawn|os.exec] already are shellescape aware)
-
-
-if md5 then
-
-    local sum    = md5.sum
-    local gsub   = string.gsub
-    local format = string.format
-    local byte   = string.byte
-
-    function md5.sumhexa(k)
-        return (gsub(sum(k), ".", function(c)
-            return format("%02x",byte(c))
-        end))
-    end
-
-    function md5.sumHEXA(k)
-        return (gsub(sum(k), ".", function(c)
-            return format("%02X",byte(c))
-        end))
-    end
-
-end
-
-if utilities and utilities.merger and utilities.merger.compact then
-
-    local byte, format, gmatch = string.byte, string.format, string.gmatch
-    local concat = table.concat
-
-    local data = gsub(io.loaddata('luatex-core.lua'),'if%s+utilities.*','')
-    local t = { }
-    local r = { }
-    local n = 0
-    local d = gsub(data,'\r\n','\n')      -- be nice for unix
-    local s = utilities.merger.compact(d) -- no comments and less spaces
-
-    t[#t+1] = '/* generated from and by luatex-core.lua */'
-    t[#t+1] = ''
- -- t[#t+1] = format('/*\n\n%s\n\n*/',d)
- -- t[#t+1] = ''
-    t[#t+1] = '#include "lua.h"'
-    t[#t+1] = '#include "lauxlib.h"'
-    t[#t+1] = ''
-    t[#t+1] = 'int load_luatex_core_lua (lua_State * L);'
-    t[#t+1] = ''
-    t[#t+1] = 'int load_luatex_core_lua (lua_State * L)'
-    t[#t+1] = '{'
-    t[#t+1] = '  static unsigned char luatex_core_lua[] = {'
-    for c in gmatch(d,'.') do
-        if n == 16 then
-            n = 1
-            t[#t+1] = '    ' .. concat(r,', ') .. ','
-        else
-            n = n + 1
-        end
-        r[n] = format('0x%02x',byte(c))
-    end
-    n = n + 1
-    r[n] = '0x00'
-    t[#t+1] = '    ' .. concat(r,', ',1,n)
-    t[#t+1] = '  };'
- -- t[#t+1] = format('unsigned int luatex_core_lua_len = 0x%x;',#d+1)
-    t[#t+1] = '  return luaL_dostring(L, (const char*) luatex_core_lua);'
-    t[#t+1] = '}'
-
-    io.savedata('luatex-core.c',concat(t,'\n'))
-    io.savedata('luatex-core-stripped.lua',s)
-
-end
+-- if not modules then modules = { } end modules ['luatex-core'] = {
+--     version   = 1.001,
+--     comment   = 'companion to luatex',
+--     author    = 'Hans Hagen & Luigi Scarso',
+--     copyright = 'LuaTeX Development Team',
+-- }
+
+LUATEXCOREVERSION = 1.002
+
+-- This file overloads some Lua functions. The readline variants provide the same
+-- functionality as LuaTeX <= 1.04 and doing it this way permits us to keep the
+-- original io libraries clean. Performance is probably even a bit better now.
+
+local type, next, getmetatable, require = type, next, getmetatable, require
+local find, gsub = string.find, string.gsub
+
+local io_open             = io.open
+local io_popen            = io.popen
+local io_lines            = io.lines
+
+local fio_readline        = fio.readline
+local fio_checkpermission = fio.checkpermission
+local fio_recordfilename  = fio.recordfilename
+
+local mt                  = getmetatable(io.stderr)
+local mt_lines            = mt.lines
+local saferoption         = status.safer_option
+local shellescape         = status.shell_escape -- 0 (disabled) 1 (anything) 2 (restricted)
+local kpseused            = status.kpse_used    -- 0 1
+
+io.saved_open             = io_open  -- can be protected
+-- (deleted for tl17 rebuild) io.saved_popen            = io_popen -- can be protected
+io.saved_lines            = io_lines -- always readonly
+mt.saved_lines            = mt_lines -- always readonly
+
+local function luatex_io_open(name,how)
+    if not how then
+        how = 'r'
+    end
+    local f = io_open(name,how)
+    if f then
+        if type(how) == 'string' and find(how,'w') then
+            fio_recordfilename(name,'w')
+        else
+            fio_recordfilename(name,'r')
+        end
+    end
+    return f
+end
+
+local function luatex_io_open_readonly(name,how)
+    if how then
+        how = 'r'
+    else
+        how = gsub(how,'[^rb]','')
+        if how == '' then
+            how = 'r'
+        end
+    end
+    local f = io_open(name,how)
+    if f then
+        fio_recordfilename(name,'r')
+    end
+    return f
+end
+
+local function luatex_io_popen(name,...)
+    local okay, found = fio_checkpermission(name)
+    if okay and found then
+        return io_popen(found,...)
+    end
+end
+
+local function luatex_io_lines(name,how)
+    if name then
+        local f = io_open(name,how or 'r')
+        if f then
+            return function()
+                return fio_readline(f)
+            end
+        end
+    else
+        return io_lines()
+    end
+end
+
+local function luatex_io_readline(f)
+    return function()
+        return fio_readline(f)
+    end
+end
+
+io.lines = luatex_io_lines
+mt.lines = luatex_io_readline
+
+-- We assume management to be provided by the replacement of kpse. This is the
+-- case in ConTeXt.
+
+if kpseused == 1 then
+
+    io.open  = luatex_io_open
+    io.popen = luatex_io_popen
+
+end
+
+if saferoption == 1 then
+
+    os.execute = nil
+    os.spawn   = nil
+    os.exec    = nil
+    os.setenv  = nil
+    os.tempdir = nil
+
+    io.popen   = nil
+    io.open    = nil
+
+    os.rename  = nil
+    os.remove  = nil
+
+    io.tmpfile = nil
+    io.output  = nil
+
+    lfs.chdir  = nil
+    lfs.lock   = nil
+    lfs.touch  = nil
+    lfs.rmdir  = nil
+    lfs.mkdir  = nil
+
+    io.saved_open  = luatex_io_open_readonly
+
+end
+
+if saferoption == 1 or shellescape ~= 1 then
+
+    ffi = require('ffi')
+    for k, v in next, ffi do
+        if k ~= 'gc' then
+            ffi[k] = nil
+        end
+    end
+    ffi = nil
+
+end
+
+-- os.[execute|os.spawn|os.exec] already are shellescape aware)
+
+
+if md5 then
+
+    local sum    = md5.sum
+    local gsub   = string.gsub
+    local format = string.format
+    local byte   = string.byte
+
+    function md5.sumhexa(k)
+        return (gsub(sum(k), ".", function(c)
+            return format("%02x",byte(c))
+        end))
+    end
+
+    function md5.sumHEXA(k)
+        return (gsub(sum(k), ".", function(c)
+            return format("%02X",byte(c))
+        end))
+    end
+
+end
+
+if utilities and utilities.merger and utilities.merger.compact then
+
+    local byte, format, gmatch = string.byte, string.format, string.gmatch
+    local concat = table.concat
+
+    local data = gsub(io.loaddata('luatex-core.lua'),'if%s+utilities.*','')
+    local t = { }
+    local r = { }
+    local n = 0
+    local d = gsub(data,'\r\n','\n')      -- be nice for unix
+    local s = utilities.merger.compact(d) -- no comments and less spaces
+
+    t[#t+1] = '/* generated from and by luatex-core.lua */'
+    t[#t+1] = ''
+ -- t[#t+1] = format('/*\n\n%s\n\n*/',d)
+ -- t[#t+1] = ''
+    t[#t+1] = '#include "lua.h"'
+    t[#t+1] = '#include "lauxlib.h"'
+    t[#t+1] = ''
+    t[#t+1] = 'int load_luatex_core_lua (lua_State * L);'
+    t[#t+1] = ''
+    t[#t+1] = 'int load_luatex_core_lua (lua_State * L)'
+    t[#t+1] = '{'
+    t[#t+1] = '  static unsigned char luatex_core_lua[] = {'
+    for c in gmatch(d,'.') do
+        if n == 16 then
+            n = 1
+            t[#t+1] = '    ' .. concat(r,', ') .. ','
+        else
+            n = n + 1
+        end
+        r[n] = format('0x%02x',byte(c))
+    end
+    n = n + 1
+    r[n] = '0x00'
+    t[#t+1] = '    ' .. concat(r,', ',1,n)
+    t[#t+1] = '  };'
+ -- t[#t+1] = format('unsigned int luatex_core_lua_len = 0x%x;',#d+1)
+    t[#t+1] = '  return luaL_dostring(L, (const char*) luatex_core_lua);'
+    t[#t+1] = '}'
+
+    io.savedata('luatex-core.c',concat(t,'\n'))
+    io.savedata('luatex-core-stripped.lua',s)
+
+end
Index: texk/web2c/luatexdir/luatex.c
===================================================================
--- texk/web2c/luatexdir/luatex.c	(revision 44589)
+++ texk/web2c/luatexdir/luatex.c	(revision 44590)
@@ -28,9 +28,11 @@
 
 #define TeX
 
+/* for tl17 update, change luatex_date_info but nothing else,
+   as context depends on the numeric version number. */
 int luatex_version = 100;        /* \.{\\luatexversion}  */
 int luatex_revision = '4';      /* \.{\\luatexrevision}  */
-int luatex_date_info = 2017033109;     /* the compile date is now hardwired :YEAR MONTH DAY HOUR*/
+int luatex_date_info = 2017060901;     /* the compile date is now hardwired :YEAR MONTH DAY HOUR*/
 const char *luatex_version_string = "1.0.4";
 const char *engine_name = my_name;     /* the name of this engine */
 
