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-rw-r--r--util/sasl.lua53
1 files changed, 30 insertions, 23 deletions
diff --git a/util/sasl.lua b/util/sasl.lua
index 772e2dd5..9f7bab20 100644
--- a/util/sasl.lua
+++ b/util/sasl.lua
@@ -101,38 +101,45 @@ end
-- select a mechanism to use
function method:select(mechanism)
-
+ self.mech_i = mechanisms[mechanism]
+ if self.mech_i == nil then return false; end
+ return true;
end
-- feed new messages to process into the library
function method:process(message)
-
+ if message == "" or message == nil then return "failure", "malformed-request" end
+ return self.mech_i(self, message);
end
--=========================
--SASL PLAIN
-local function sasl_mechanism_plain(realm, credentials_handler)
- local object = { mechanism = "PLAIN", realm = realm, credentials_handler = credentials_handler}
- function object.feed(self, message)
- if message == "" or message == nil then return "failure", "malformed-request" end
- local response = message
- local authorization = s_match(response, "([^&%z]+)")
- local authentication = s_match(response, "%z([^&%z]+)%z")
- local password = s_match(response, "%z[^&%z]+%z([^&%z]+)")
-
- if authentication == nil or password == nil then return "failure", "malformed-request" end
- self.username = authentication
- local auth_success = self.credentials_handler("PLAIN", self.username, self.realm, password)
-
- if auth_success then
- return "success"
- elseif auth_success == nil then
- return "failure", "account-disabled"
- else
- return "failure", "not-authorized"
- end
+local function sasl_mechanism_plain(self, message)
+ local response = message
+ local authorization = s_match(response, "([^&%z]+)")
+ local authentication = s_match(response, "%z([^&%z]+)%z")
+ local password = s_match(response, "%z[^&%z]+%z([^&%z]+)")
+
+ if authentication == nil or password == nil then return "failure", "malformed-request" end
+
+ local correct, state = false, false, false;
+ if self.profile.plain then
+ local correct_password, state = self.profile.plain(authentication, self.realm);
+ if correct_password == password then correct = true; else correct = false; end
+ else if self.profile.plain_test then
+ correct, state = self.profile.plain_test(authentication, self.realm, password);
+ end
+
+ self.username = authentication
+ if not state then
+ return "failure", "account-disabled";
+ end
+
+ if correct then
+ return "success";
+ else
+ return "failure", "not-authorized";
end
- return object
end
registerMechanism("PLAIN", {"plain", "plain_test"}, sasl_mechanism_plain);