mod_posix: Some (perhaps temporary) changes to re-lock the pidfile after truncating...
[prosody.git] / plugins / mod_auth_internal_hashed.lua
index 50e0e052d35b7a66f3aa6ed5579b0831c1cbd8ae..692bd9f75c781e1df64e7b313904850714a85790 100644 (file)
@@ -8,7 +8,7 @@
 --
 
 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;
@@ -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
@@ -53,11 +75,22 @@ function new_hashpass_provider(host)
                        return nil, "Auth failed. Stored salt and iteration count information is not complete.";
                end
                
+               -- 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 = 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_hex then
+               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.";
@@ -65,20 +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);
@@ -87,25 +116,19 @@ 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
                local salt = generate_uuid();
-               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);
+               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
 
@@ -123,30 +146,29 @@ function new_hashpass_provider(host)
                        scram_sha_1 = function(username, realm)
                                local credentials = datamanager.load(username, host, "accounts") or {};
                                if credentials.password then
-                                       usermanager.set_password(username, credentials.password);
+                                       usermanager.set_password(username, credentials.password, host);
                                        credentials = datamanager.load(username, host, "accounts") or {};
                                end
+                               
+                               -- 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 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);
+                               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