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Make use of safe file writing in auth handler (fixes #6576)

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This commit is contained in:
sfan5 2017-11-07 11:47:28 +01:00
parent b692454f70
commit fc9747eb4b
1 changed files with 5 additions and 6 deletions
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11
builtin/game/auth.lua
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@ -42,16 +42,15 @@ local function save_auth_file()
assert(type(stuff.privileges) == "table")
assert(stuff.last_login == nil or type(stuff.last_login) == "number")
end
local file, errmsg = io.open(core.auth_file_path, 'w+b')
if not file then
error(core.auth_file_path.." could not be opened for writing: "..errmsg)
end
local content = ""
for name, stuff in pairs(core.auth_table) do
local priv_string = core.privs_to_string(stuff.privileges)
local parts = {name, stuff.password, priv_string, stuff.last_login or ""}
file:write(table.concat(parts, ":").."\n")
content = content .. table.concat(parts, ":") .. "\n"
end
if not core.safe_file_write(core.auth_file_path, content) then
error(core.auth_file_path.." could not be written to")
end
io.close(file)
end
read_auth_file()