From a42f27db478b7491caa68bc787924913aeace14b Mon Sep 17 00:00:00 2001 From: Alex Szpakowski Date: Thu, 17 Aug 2017 22:02:49 -0300 Subject: [PATCH] The default error handler sanitizes error messages to remove non UTF-8 bytes before displaying it. Resolves issue #1330. --HG-- branch : minor --- src/scripts/boot.lua | 40 +++++++++++++------- src/scripts/boot.lua.h | 83 +++++++++++++++++++++++++----------------- 2 files changed, 77 insertions(+), 46 deletions(-) diff --git a/src/scripts/boot.lua b/src/scripts/boot.lua index dac4cc70a..1066984bd 100644 --- a/src/scripts/boot.lua +++ b/src/scripts/boot.lua @@ -27,13 +27,13 @@ love.arg = {} -- Replace any \ with /. function love.path.normalslashes(p) - return string.gsub(p, "\\", "/") + return p:gsub("\\", "/") end -- Makes sure there is a slash at the end -- of a path. function love.path.endslash(p) - if string.sub(p, string.len(p)-1) ~= "/" then + if p:sub(-1) ~= "/" then return p .. "/" else return p @@ -46,13 +46,13 @@ function love.path.abs(p) local tmp = love.path.normalslashes(p) -- Path is absolute if it starts with a "/". - if string.find(tmp, "/") == 1 then + if tmp:find("/") == 1 then return true end -- Path is absolute if it starts with a -- letter followed by a colon. - if string.find(tmp, "%a:") == 1 then + if tmp:find("%a:") == 1 then return true end @@ -87,10 +87,10 @@ function love.path.leaf(p) local last = p while a do - a = string.find(p, "/", a+1) + a = p:find("/", a+1) if a then - last = string.sub(p, a+1) + last = p:sub(a+1) end end @@ -138,7 +138,7 @@ function love.arg.parseOptions() local i = 1 while i <= argc do -- Look for options. - local m = string.match(arg[i], "^%-%-(.+)") + local m = arg[i]:match("^%-%-(.+)") if m and love.arg.options[m] then love.arg.optionIndices[i] = true @@ -602,6 +602,8 @@ function love.threaderror(t, err) error("Thread error ("..tostring(t)..")\n\n"..err, 0) end +local utf8 = require("utf8") + local function error_printer(msg, layer) print((debug.traceback("Error: " .. tostring(msg), 1+(layer or 1)):gsub("\n[^\n]+$", ""))) end @@ -648,22 +650,34 @@ function love.errhand(msg) love.graphics.origin() + local sanitizedmsg = {} + for char in msg:gmatch(utf8.charpattern) do + table.insert(sanitizedmsg, char) + end + sanitizedmsg = table.concat(sanitizedmsg) + local err = {} table.insert(err, "Error\n") - table.insert(err, msg.."\n\n") + table.insert(err, sanitizedmsg) - for l in string.gmatch(trace, "(.-)\n") do - if not string.match(l, "boot.lua") then - l = string.gsub(l, "stack traceback:", "Traceback\n") + if #sanitizedmsg ~= #msg then + table.insert(err, "Invalid UTF-8 string in error message.") + end + + table.insert(err, "\n") + + for l in trace:gmatch("(.-)\n") do + if not l:match("boot.lua") then + l = l:gsub("stack traceback:", "Traceback\n") table.insert(err, l) end end local p = table.concat(err, "\n") - p = string.gsub(p, "\t", "") - p = string.gsub(p, "%[string \"(.-)\"%]", "%1") + p = p:gsub("\t", "") + p = p:gsub("%[string \"(.-)\"%]", "%1") local function draw() local pos = 70 diff --git a/src/scripts/boot.lua.h b/src/scripts/boot.lua.h index 2cb571de0..f0cb8cb06 100644 --- a/src/scripts/boot.lua.h +++ b/src/scripts/boot.lua.h @@ -90,8 +90,8 @@ const unsigned char boot_lua[] = 0x69, 0x74, 0x68, 0x20, 0x2f, 0x2e, 0x0a, 0x66, 0x75, 0x6e, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x6c, 0x6f, 0x76, 0x65, 0x2e, 0x70, 0x61, 0x74, 0x68, 0x2e, 0x6e, 0x6f, 0x72, 0x6d, 0x61, 0x6c, 0x73, 0x6c, 0x61, 0x73, 0x68, 0x65, 0x73, 0x28, 0x70, 0x29, 0x0a, - 0x09, 0x72, 0x65, 0x74, 0x75, 0x72, 0x6e, 0x20, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x2e, 0x67, 0x73, 0x75, - 0x62, 0x28, 0x70, 0x2c, 0x20, 0x22, 0x5c, 0x5c, 0x22, 0x2c, 0x20, 0x22, 0x2f, 0x22, 0x29, 0x0a, + 0x09, 0x72, 0x65, 0x74, 0x75, 0x72, 0x6e, 0x20, 0x70, 0x3a, 0x67, 0x73, 0x75, 0x62, 0x28, 0x22, 0x5c, 0x5c, + 0x22, 0x2c, 0x20, 0x22, 0x2f, 0x22, 0x29, 0x0a, 0x65, 0x6e, 0x64, 0x0a, 0x2d, 0x2d, 0x20, 0x4d, 0x61, 0x6b, 0x65, 0x73, 0x20, 0x73, 0x75, 0x72, 0x65, 0x20, 0x74, 0x68, 0x65, 0x72, 0x65, 0x20, 0x69, 0x73, 0x20, 0x61, 0x20, 0x73, 0x6c, 0x61, 0x73, 0x68, 0x20, 0x61, 0x74, 0x20, 0x74, 0x68, @@ -99,9 +99,8 @@ const unsigned char boot_lua[] = 0x2d, 0x2d, 0x20, 0x6f, 0x66, 0x20, 0x61, 0x20, 0x70, 0x61, 0x74, 0x68, 0x2e, 0x0a, 0x66, 0x75, 0x6e, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x6c, 0x6f, 0x76, 0x65, 0x2e, 0x70, 0x61, 0x74, 0x68, 0x2e, 0x65, 0x6e, 0x64, 0x73, 0x6c, 0x61, 0x73, 0x68, 0x28, 0x70, 0x29, 0x0a, - 0x09, 0x69, 0x66, 0x20, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x2e, 0x73, 0x75, 0x62, 0x28, 0x70, 0x2c, 0x20, - 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x2e, 0x6c, 0x65, 0x6e, 0x28, 0x70, 0x29, 0x2d, 0x31, 0x29, 0x20, 0x7e, - 0x3d, 0x20, 0x22, 0x2f, 0x22, 0x20, 0x74, 0x68, 0x65, 0x6e, 0x0a, + 0x09, 0x69, 0x66, 0x20, 0x70, 0x3a, 0x73, 0x75, 0x62, 0x28, 0x2d, 0x31, 0x29, 0x20, 0x7e, 0x3d, 0x20, 0x22, + 0x2f, 0x22, 0x20, 0x74, 0x68, 0x65, 0x6e, 0x0a, 0x09, 0x09, 0x72, 0x65, 0x74, 0x75, 0x72, 0x6e, 0x20, 0x70, 0x20, 0x2e, 0x2e, 0x20, 0x22, 0x2f, 0x22, 0x0a, 0x09, 0x65, 0x6c, 0x73, 0x65, 0x0a, 0x09, 0x09, 0x72, 0x65, 0x74, 0x75, 0x72, 0x6e, 0x20, 0x70, 0x0a, @@ -118,8 +117,8 @@ const unsigned char boot_lua[] = 0x09, 0x2d, 0x2d, 0x20, 0x50, 0x61, 0x74, 0x68, 0x20, 0x69, 0x73, 0x20, 0x61, 0x62, 0x73, 0x6f, 0x6c, 0x75, 0x74, 0x65, 0x20, 0x69, 0x66, 0x20, 0x69, 0x74, 0x20, 0x73, 0x74, 0x61, 0x72, 0x74, 0x73, 0x20, 0x77, 0x69, 0x74, 0x68, 0x20, 0x61, 0x20, 0x22, 0x2f, 0x22, 0x2e, 0x0a, - 0x09, 0x69, 0x66, 0x20, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x2e, 0x66, 0x69, 0x6e, 0x64, 0x28, 0x74, 0x6d, - 0x70, 0x2c, 0x20, 0x22, 0x2f, 0x22, 0x29, 0x20, 0x3d, 0x3d, 0x20, 0x31, 0x20, 0x74, 0x68, 0x65, 0x6e, 0x0a, + 0x09, 0x69, 0x66, 0x20, 0x74, 0x6d, 0x70, 0x3a, 0x66, 0x69, 0x6e, 0x64, 0x28, 0x22, 0x2f, 0x22, 0x29, 0x20, + 0x3d, 0x3d, 0x20, 0x31, 0x20, 0x74, 0x68, 0x65, 0x6e, 0x0a, 0x09, 0x09, 0x72, 0x65, 0x74, 0x75, 0x72, 0x6e, 0x20, 0x74, 0x72, 0x75, 0x65, 0x0a, 0x09, 0x65, 0x6e, 0x64, 0x0a, 0x09, 0x2d, 0x2d, 0x20, 0x50, 0x61, 0x74, 0x68, 0x20, 0x69, 0x73, 0x20, 0x61, 0x62, 0x73, 0x6f, 0x6c, 0x75, @@ -127,9 +126,8 @@ const unsigned char boot_lua[] = 0x74, 0x68, 0x20, 0x61, 0x0a, 0x09, 0x2d, 0x2d, 0x20, 0x6c, 0x65, 0x74, 0x74, 0x65, 0x72, 0x20, 0x66, 0x6f, 0x6c, 0x6c, 0x6f, 0x77, 0x65, 0x64, 0x20, 0x62, 0x79, 0x20, 0x61, 0x20, 0x63, 0x6f, 0x6c, 0x6f, 0x6e, 0x2e, 0x0a, - 0x09, 0x69, 0x66, 0x20, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x2e, 0x66, 0x69, 0x6e, 0x64, 0x28, 0x74, 0x6d, - 0x70, 0x2c, 0x20, 0x22, 0x25, 0x61, 0x3a, 0x22, 0x29, 0x20, 0x3d, 0x3d, 0x20, 0x31, 0x20, 0x74, 0x68, 0x65, - 0x6e, 0x0a, + 0x09, 0x69, 0x66, 0x20, 0x74, 0x6d, 0x70, 0x3a, 0x66, 0x69, 0x6e, 0x64, 0x28, 0x22, 0x25, 0x61, 0x3a, 0x22, + 0x29, 0x20, 0x3d, 0x3d, 0x20, 0x31, 0x20, 0x74, 0x68, 0x65, 0x6e, 0x0a, 0x09, 0x09, 0x72, 0x65, 0x74, 0x75, 0x72, 0x6e, 0x20, 0x74, 0x72, 0x75, 0x65, 0x0a, 0x09, 0x65, 0x6e, 0x64, 0x0a, 0x09, 0x2d, 0x2d, 0x20, 0x52, 0x65, 0x6c, 0x61, 0x74, 0x69, 0x76, 0x65, 0x2e, 0x0a, @@ -173,11 +171,11 @@ const unsigned char boot_lua[] = 0x09, 0x6c, 0x6f, 0x63, 0x61, 0x6c, 0x20, 0x61, 0x20, 0x3d, 0x20, 0x31, 0x0a, 0x09, 0x6c, 0x6f, 0x63, 0x61, 0x6c, 0x20, 0x6c, 0x61, 0x73, 0x74, 0x20, 0x3d, 0x20, 0x70, 0x0a, 0x09, 0x77, 0x68, 0x69, 0x6c, 0x65, 0x20, 0x61, 0x20, 0x64, 0x6f, 0x0a, - 0x09, 0x09, 0x61, 0x20, 0x3d, 0x20, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x2e, 0x66, 0x69, 0x6e, 0x64, 0x28, - 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