From 82856923bffaac3ac88a90a797ddb33dcee8635a Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Sun, 15 Jul 2018 04:18:03 +0200 Subject: 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 --- filters/simple-authentication.lua | 19 ++++++------------- 1 file changed, 6 insertions(+), 13 deletions(-) (limited to 'filters') diff --git a/filters/simple-authentication.lua b/filters/simple-authentication.lua index bf35632..77d1fd0 100644 --- a/filters/simple-authentication.lua +++ b/filters/simple-authentication.lua @@ -23,17 +23,11 @@ local protected_repos = { qt = { jason = true, bob = true } } --- Please note that, in production, you'll want to replace this simple lookup --- table with either a table of salted and hashed passwords (using something --- smart like scrypt), or replace this table lookup with an external support, --- such as consulting your system's pam / shadow system, or an external --- database, or an external validating web service. For testing, or for --- extremely low-security usage, you may be able, however, to get away with --- compromising on hardcoding the passwords in cleartext, as we have done here. +-- A list of users and hashes, generated with `mkpasswd -m sha-512 -R 300000`. local users = { - jason = "secretpassword", - laurent = "s3cr3t", - bob = "ilikelua" + jason = "$6$rounds=300000$YYJct3n/o.ruYK$HhpSeuCuW1fJkpvMZOZzVizeLsBKcGA/aF2UPuV5v60JyH2MVSG6P511UMTj2F3H75.IT2HIlnvXzNb60FcZH1", + laurent = "$6$rounds=300000$dP0KNHwYb3JKigT$pN/LG7rWxQ4HniFtx5wKyJXBJUKP7R01zTNZ0qSK/aivw8ywGAOdfYiIQFqFhZFtVGvr11/7an.nesvm8iJUi.", + bob = "$6$rounds=300000$jCLCCt6LUpTz$PI1vvd1yaVYcCzqH8QAJFcJ60b6W/6sjcOsU7mAkNo7IE8FRGW1vkjF8I/T5jt/auv5ODLb1L4S2s.CAyZyUC" } -- Set this to a path this script can write to for storing a persistent @@ -48,7 +42,7 @@ local secret_filename = "/var/cache/cgit/auth-secret" -- Sets HTTP cookie headers based on post and sets up redirection. function authenticate_post() - local password = users[post["username"]] + local hash = users[post["username"]] local redirect = validate_value("redirect", post["redirect"]) if redirect == nil then @@ -58,8 +52,7 @@ function authenticate_post() redirect_to(redirect) - -- Lua hashes strings, so these comparisons are time invariant. - if password == nil or password ~= post["password"] then + if hash == nil or hash ~= unistd.crypt(post["password"], hash) then set_cookie("cgitauth", "") else -- One week expiration time -- cgit 1.4.1 mp;follow=1'>Expand)Author 2020-02-12Handle RPL_AWAYJune McEnroe 2020-02-11Support monochromatic terminalsJune McEnroe 2020-02-11Add .gz to chroot-man scriptJune McEnroe 2020-02-11Add -R restricted flagJune McEnroe 2020-02-11Add chroot targetJune McEnroe 2020-02-11Exit focus and paste modes on err exitJune McEnroe 2020-02-11Add startup GPLv3 note and URLJune McEnroe 2020-02-11Make sure -D_GNU_SOURCE ends up in CFLAGS on LinuxJune McEnroe 2020-02-11Add note about setting PKG_CONFIG_PATHJune McEnroe 2020-02-11Rename query ID on nick changeJune McEnroe 2020-02-11Call completeClear when closing a windowJune McEnroe 2020-02-11Don't insert color codes for non-mentionsJune McEnroe 2020-02-11Take first two words in colorMentionsJune McEnroe 2020-02-11Use time_t for save signatureJune McEnroe 2020-02-11Set self.nick to * initiallyJune McEnroe 2020-02-11Define ColorCap instead of hardcoding 100June McEnroe 2020-02-11Move hash to top of chat.hJune McEnroe 2020-02-11Move base64 out of chat.hJune McEnroe 2020-02-11Move XDG_SUBDIR out of chat.hJune McEnroe 2020-02-11Fix whois idle unit calculationJune McEnroe 2020-02-11Cast towupper to wchar_tJune McEnroe 2020-02-11Cast set but unused variables to voidJune McEnroe 2020-02-11Declare strlcatJune McEnroe 2020-02-11Check if VDSUSP existsJune McEnroe 2020-02-11Fix completeReplace iterationJune McEnroe 2020-02-11Use pkg(8) to configure on FreeBSDJune McEnroe 2020-02-11Remove legacy codeJune McEnroe 2020-02-11Add INSTALLING section to READMEJune McEnroe