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auth-filters: use crypt() in simple-authentication
There's no use in giving a silly example to folks who will just copy it, so instead try to do something slightly better. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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@ -23,17 +23,11 @@ local protected_repos = {
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qt = { jason = true, bob = true }
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}
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-- Please note that, in production, you'll want to replace this simple lookup
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-- table with either a table of salted and hashed passwords (using something
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-- smart like scrypt), or replace this table lookup with an external support,
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-- such as consulting your system's pam / shadow system, or an external
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-- database, or an external validating web service. For testing, or for
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-- extremely low-security usage, you may be able, however, to get away with
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-- compromising on hardcoding the passwords in cleartext, as we have done here.
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-- A list of users and hashes, generated with `mkpasswd -m sha-512 -R 300000`.
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local users = {
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jason = "secretpassword",
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laurent = "s3cr3t",
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bob = "ilikelua"
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jason = "$6$rounds=300000$YYJct3n/o.ruYK$HhpSeuCuW1fJkpvMZOZzVizeLsBKcGA/aF2UPuV5v60JyH2MVSG6P511UMTj2F3H75.IT2HIlnvXzNb60FcZH1",
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laurent = "$6$rounds=300000$dP0KNHwYb3JKigT$pN/LG7rWxQ4HniFtx5wKyJXBJUKP7R01zTNZ0qSK/aivw8ywGAOdfYiIQFqFhZFtVGvr11/7an.nesvm8iJUi.",
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bob = "$6$rounds=300000$jCLCCt6LUpTz$PI1vvd1yaVYcCzqH8QAJFcJ60b6W/6sjcOsU7mAkNo7IE8FRGW1vkjF8I/T5jt/auv5ODLb1L4S2s.CAyZyUC"
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}
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-- Set this to a path this script can write to for storing a persistent
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@ -48,7 +42,7 @@ local secret_filename = "/var/cache/cgit/auth-secret"
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-- Sets HTTP cookie headers based on post and sets up redirection.
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function authenticate_post()
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local password = users[post["username"]]
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local hash = users[post["username"]]
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local redirect = validate_value("redirect", post["redirect"])
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if redirect == nil then
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@ -58,8 +52,7 @@ function authenticate_post()
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redirect_to(redirect)
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-- Lua hashes strings, so these comparisons are time invariant.
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if password == nil or password ~= post["password"] then
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if hash == nil or hash ~= unistd.crypt(post["password"], hash) then
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set_cookie("cgitauth", "")
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else
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-- One week expiration time
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