prosody
e0a8c5b1ab4f
util/format.lua

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util/format.lua @ 12039:e0a8c5b1ab4f

util.format: Ensure metatable __tostring results are also sanitized
author Kim Alvefur <zash@zash.se>
date Mon, 13 Dec 2021 16:34:55 +0100
parent 12036:2ce06f788093
child 12040:337b489532b7
comparison
equal deleted inserted replaced
12038:4e54334febc1 12039:e0a8c5b1ab4f
68 68
69 if option == "s" and t == "string" and not arg:find("[%z\1-\31\128-\255]") then 69 if option == "s" and t == "string" and not arg:find("[%z\1-\31\128-\255]") then
70 -- No UTF-8 or control characters, assumed to be the common case. 70 -- No UTF-8 or control characters, assumed to be the common case.
71 return 71 return
72 elseif option == "s" and t ~= "string" then 72 elseif option == "s" and t ~= "string" then
73 args[i] = tostring(arg); 73 arg = tostring(arg);
74 t = "string";
74 end 75 end
75 76
76 if option ~= "s" and option ~= "q" and option ~= "p" then 77 if option ~= "s" and option ~= "q" and option ~= "p" then
77 -- all other options expect numbers 78 -- all other options expect numbers
78 if t ~= "number" then 79 if t ~= "number" then