local function validate_username(username)
-- check for forbidden char sequences
for eq in username:gmatch("=(.?.?)") do
- if eq ~= "2D" and eq ~= "3D" then
+ if eq ~= "2C" and eq ~= "3D" then
return false
end
end
- -- replace =2D with , and =3D with =
- username = username:gsub("=2D", ",");
+ -- replace =2C with , and =3D with =
+ username = username:gsub("=2C", ",");
username = username:gsub("=3D", "=");
-- apply SASLprep