diff options
Diffstat (limited to 'plugins/mod_auth_internal_hashed.lua')
| -rw-r--r-- | plugins/mod_auth_internal_hashed.lua | 75 |
1 files changed, 52 insertions, 23 deletions
diff --git a/plugins/mod_auth_internal_hashed.lua b/plugins/mod_auth_internal_hashed.lua index c07e2978..3007d565 100644 --- a/plugins/mod_auth_internal_hashed.lua +++ b/plugins/mod_auth_internal_hashed.lua @@ -14,7 +14,7 @@ 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; @@ -22,6 +22,10 @@ local new_sasl = require "util.sasl".new; local nodeprep = require "util.encodings".stringprep.nodeprep; local hosts = hosts; +-- TODO: remove these two lines in near future +local hmac_sha1 = require "util.hmac".sha1; +local sha1 = require "util.hashes".sha1; + local prosody = _G.prosody; local is_cyrus = usermanager.is_cyrus; @@ -52,11 +56,26 @@ 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 + + local valid, stored_key, server_key + + -- convert hexpass to stored_key and server_key + -- TODO: remove this in near future + if credentials.hashpass then + valid = true; + local salted_password = credentials.hashpass:gsub("..", function(x) return string.char(tonumber(x, 16)); end); + credentials.stored_key = sha1(hmac_sha1(salted_password, "Client Key")):gsub(".", function (c) return ("%02x"):format(c:byte()); end); + credentials.server_key = hmac_sha1(salted_password, "Server Key"):gsub(".", function (c) return ("%02x"):format(c:byte()); end); + 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 = stored_key:gsub(".", function (c) return ("%02x"):format(c:byte()); end); + local server_key_hex = server_key:gsub(".", function (c) return ("%02x"):format(c:byte()); end); + + 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."; @@ -67,17 +86,14 @@ function new_hashpass_provider(host) 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 = stored_key:gsub(".", function (c) return ("%02x"):format(c:byte()); end); + local server_key_hex = server_key:gsub(".", function (c) return ("%02x"):format(c:byte()); end); + + account.stored_key = stored_key_hex + account.server_key = server_key_hex account.password = nil; return datamanager.store(username, host, "accounts", account); @@ -102,9 +118,10 @@ function new_hashpass_provider(host) function provider.create_user(username, password) if is_cyrus(host) then return nil, "Account creation/modification not available with Cyrus SASL."; 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 = saltedPasswordSHA1(password, salt, iteration_count); + local stored_key_hex = stored_key:gsub(".", function (c) return ("%02x"):format(c:byte()); end); + local server_key_hex = server_key:gsub(".", function (c) return ("%02x"):format(c:byte()); end); + 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() @@ -124,9 +141,21 @@ function new_hashpass_provider(host) usermanager.set_password(username, credentials.password, host); credentials = datamanager.load(username, host, "accounts") or {}; 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 + -- TODO: remove this in near future + if credentials.hashpass then + local salted_password = credentials.hashpass:gsub("..", function(x) return string.char(tonumber(x, 16)); end); + credentials.stored_key = sha1(hmac_sha1(salted_password, "Client Key")):gsub(".", function (c) return ("%02x"):format(c:byte()); end); + credentials.server_key = hmac_sha1(salted_password, "Server Key"):gsub(".", function (c) return ("%02x"):format(c:byte()); end); + 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 stored_key:gsub("..", function(x) return string.char(tonumber(x, 16)); end); + server_key = server_key and server_key:gsub("..", function(x) return string.char(tonumber(x, 16)); end); + return stored_key, server_key, iteration_count, salt, true; end }; return new_sasl(realm, testpass_authentication_profile); |