X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=plugins%2Fmod_auth_internal_hashed.lua;h=300bebf80f02e79562d71dd971ef8e675885e01a;hb=18f2f57edc0b7caf9be451a43c00a9d1147dfd63;hp=9cffcc6e3874a7e9d0435f009ceb97e199267f97;hpb=bb28c7b90def5e50cb2f0df390cd4a76011b92ee;p=prosody.git diff --git a/plugins/mod_auth_internal_hashed.lua b/plugins/mod_auth_internal_hashed.lua index 9cffcc6e..300bebf8 100644 --- a/plugins/mod_auth_internal_hashed.lua +++ b/plugins/mod_auth_internal_hashed.lua @@ -8,13 +8,13 @@ -- local datamanager = require "util.datamanager"; -local log = require "util.logger".init("usermanager"); +local log = require "util.logger".init("auth_internal_hashed"); local type = type; local error = error; local ipairs = ipairs; local hashes = require "util.hashes"; local jid_bare = require "util.jid".bare; -local saltedPasswordSHA1 = require "util.sasl.scram".saltedPasswordSHA1; +local getAuthenticationDatabaseSHA1 = require "util.sasl.scram".getAuthenticationDatabaseSHA1; local config = require "core.configmanager"; local usermanager = require "core.usermanager"; local generate_uuid = require "util.uuid".generate; @@ -22,9 +22,32 @@ local new_sasl = require "util.sasl".new; local nodeprep = require "util.encodings".stringprep.nodeprep; local hosts = hosts; -local prosody = _G.prosody; +-- COMPAT w/old trunk: remove these two lines before 0.8 release +local hmac_sha1 = require "util.hmac".sha1; +local sha1 = require "util.hashes".sha1; -local is_cyrus = usermanager.is_cyrus; +local to_hex; +do + local function replace_byte_with_hex(byte) + return ("%02x"):format(byte:byte()); + end + function to_hex(binary_string) + return binary_string:gsub(".", replace_byte_with_hex); + end +end + +local from_hex; +do + local function replace_hex_with_byte(hex) + return string.char(tonumber(hex, 16)); + end + function from_hex(hex_string) + return hex_string:gsub("..", replace_hex_with_byte); + end +end + + +local prosody = _G.prosody; -- Default; can be set per-user local iteration_count = 4096; @@ -34,7 +57,6 @@ function new_hashpass_provider(host) log("debug", "initializing hashpass authentication provider for host '%s'", host); function provider.test_password(username, password) - if is_cyrus(host) then return nil, "Legacy auth not supported with Cyrus SASL."; end local credentials = datamanager.load(username, host, "accounts") or {}; if credentials.password ~= nil and string.len(credentials.password) ~= 0 then @@ -52,11 +74,23 @@ function new_hashpass_provider(host) if credentials.iteration_count == nil or credentials.salt == nil or string.len(credentials.salt) == 0 then return nil, "Auth failed. Stored salt and iteration count information is not complete."; end - - local valid, binpass = saltedPasswordSHA1(password, credentials.salt, credentials.iteration_count); - local hexpass = binpass:gsub(".", function (c) return ("%02x"):format(c:byte()); end); - - if valid and hexpass == credentials.hashpass then + + -- convert hexpass to stored_key and server_key + -- COMPAT w/old trunk: remove before 0.8 release + if credentials.hashpass then + local salted_password = from_hex(credentials.hashpass); + credentials.stored_key = sha1(hmac_sha1(salted_password, "Client Key"), true); + credentials.server_key = to_hex(hmac_sha1(salted_password, "Server Key")); + credentials.hashpass = nil + datamanager.store(username, host, "accounts", credentials); + end + + local valid, stored_key, server_key = getAuthenticationDatabaseSHA1(password, credentials.salt, credentials.iteration_count); + + local stored_key_hex = to_hex(stored_key); + local server_key_hex = to_hex(server_key); + + if valid and stored_key_hex == credentials.stored_key and server_key_hex == credentials.server_key then return true; else return nil, "Auth failed. Invalid username, password, or password hash information."; @@ -64,20 +98,16 @@ function new_hashpass_provider(host) end function provider.set_password(username, password) - if is_cyrus(host) then return nil, "Passwords unavailable for Cyrus SASL."; end local account = datamanager.load(username, host, "accounts"); if account then - if account.iteration_count == nil then - account.iteration_count = iteration_count; - end - - if account.salt == nil then - account.salt = generate_uuid(); - end - - local valid, binpass = saltedPasswordSHA1(password, account.salt, account.iteration_count); - local hexpass = binpass:gsub(".", function (c) return ("%02x"):format(c:byte()); end); - account.hashpass = hexpass; + account.salt = account.salt or generate_uuid(); + account.iteration_count = account.iteration_count or iteration_count; + local valid, stored_key, server_key = getAuthenticationDatabaseSHA1(password, account.salt, account.iteration_count); + local stored_key_hex = to_hex(stored_key); + local server_key_hex = to_hex(server_key); + + account.stored_key = stored_key_hex + account.server_key = server_key_hex account.password = nil; return datamanager.store(username, host, "accounts", account); @@ -86,25 +116,23 @@ function new_hashpass_provider(host) end function provider.user_exists(username) - if is_cyrus(host) then return true; end local account = datamanager.load(username, host, "accounts"); if not account then log("debug", "account not found for username '%s' at host '%s'", username, module.host); return nil, "Auth failed. Invalid username"; end - if (account.hashpass == nil or string.len(account.hashpass) == 0) and (account.password == nil or string.len(account.password) == 0) then - log("debug", "account password not set or zero-length for username '%s' at host '%s'", username, module.host); - return nil, "Auth failed. Password invalid."; - end return true; end function provider.create_user(username, password) - if is_cyrus(host) then return nil, "Account creation/modification not available with Cyrus SASL."; end + if password == nil then + return datamanager.store(username, host, "accounts", {}); + end local salt = generate_uuid(); - local valid, binpass = saltedPasswordSHA1(password, salt, iteration_count); - local hexpass = binpass:gsub(".", function (c) return ("%02x"):format(c:byte()); end); - return datamanager.store(username, host, "accounts", {hashpass = hexpass, salt = salt, iteration_count = iteration_count}); + local valid, stored_key, server_key = getAuthenticationDatabaseSHA1(password, salt, iteration_count); + local stored_key_hex = to_hex(stored_key); + local server_key_hex = to_hex(server_key); + return datamanager.store(username, host, "accounts", {stored_key = stored_key_hex, server_key = server_key_hex, salt = salt, iteration_count = iteration_count}); end function provider.get_sasl_handler() @@ -116,34 +144,36 @@ function new_hashpass_provider(host) log("debug", "NODEprep failed on username: %s", username); return "", nil; end - return usermanager.test_password(prepped_username, password, realm), true; + return usermanager.test_password(prepped_username, realm, password), true; end, scram_sha_1 = function(username, realm) - local credentials = datamanager.load(username, host, "accounts") or {}; + local credentials = datamanager.load(username, host, "accounts"); + if not credentials then return; end if credentials.password then - usermanager.set_password(username, credentials.password); - credentials = datamanager.load(username, host, "accounts") or {}; + usermanager.set_password(username, credentials.password, host); + credentials = datamanager.load(username, host, "accounts"); + if not credentials then return; end end - local salted_password, iteration_count, salt = credentials.hashpass, credentials.iteration_count, credentials.salt; - salted_password = salted_password and salted_password:gsub("..", function(x) return string.char(tonumber(x, 16)); end); - return salted_password, iteration_count, salt, true; + + -- convert hexpass to stored_key and server_key + -- COMPAT w/old trunk: remove before 0.8 release + if credentials.hashpass then + local salted_password = from_hex(credentials.hashpass); + credentials.stored_key = sha1(hmac_sha1(salted_password, "Client Key"), true); + credentials.server_key = to_hex(hmac_sha1(salted_password, "Server Key")); + credentials.hashpass = nil + datamanager.store(username, host, "accounts", credentials); + end + + local stored_key, server_key, iteration_count, salt = credentials.stored_key, credentials.server_key, credentials.iteration_count, credentials.salt; + stored_key = stored_key and from_hex(stored_key); + server_key = server_key and from_hex(server_key); + return stored_key, server_key, iteration_count, salt, true; end }; return new_sasl(realm, testpass_authentication_profile); end - - function provider.is_admin(jid) - local admins = config.get(host, "core", "admins"); - if admins ~= config.get("*", "core", "admins") and type(admins) == "table" then - jid = jid_bare(jid); - for _,admin in ipairs(admins) do - if admin == jid then return true; end - end - elseif admins then - log("error", "Option 'admins' for host '%s' is not a table", host); - end - return is_admin(jid); -- Test whether it's a global admin instead - end + return provider; end