Software / code / prosody
Changeset
12797:be09ac8300a7 0.11 0.11.14
util.stanza: Allow U+7F
Allowed by XML despite arguably being a control character.
Drops the part of the range meant to rule out octets invalid in UTF-8
(\247 starts a 4-byte sequence), since UTF-8 correctness is validated by
util.encodings.utf8.valid().
| author | Kim Alvefur <zash@zash.se> |
|---|---|
| date | Tue, 22 Nov 2022 23:56:01 +0100 |
| parents | 12210:458c5f8d5d3e |
| children | 12798:c4b1b5cbc20b |
| files | util/stanza.lua |
| diffstat | 1 files changed, 5 insertions(+), 1 deletions(-) [+] |
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--- a/util/stanza.lua Mon Jan 24 13:58:04 2022 +0000 +++ b/util/stanza.lua Tue Nov 22 23:56:01 2022 +0100 @@ -45,8 +45,12 @@ local stanza_mt = { __name = "stanza" }; stanza_mt.__index = stanza_mt; +-- Basic check for valid XML character data. +-- Disallow control characters. +-- Tab U+09 and newline U+0A are allowed. +-- For attributes, allow the \1 separator between namespace and name. local function valid_xml_cdata(str, attr) - return not s_find(str, attr and "[^\1\9\10\13\20-~\128-\247]" or "[^\9\10\13\20-~\128-\247]"); + return not s_find(str, attr and "[^\1\9\10\13\20-\255]" or "[^\9\10\13\20-\255]"); end local function check_name(name, name_type)
