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commit 338758799d601a4f70c379d2d692b0178cea882f
Author: Alexander Barton 
Date:   Sun Dec 25 19:27:06 2011 +0100

    Log better error messages when rejecting clients

diff --git a/src/ngircd/irc-login.c b/src/ngircd/irc-login.c

--- a/src/ngircd/irc-login.c
+++ b/src/ngircd/irc-login.c
@@ -47,7 +47,7 @@ static bool Hello_User PARAMS(( CLIENT *Client ));
 static bool Hello_User_PostAuth PARAMS(( CLIENT *Client ));
 static void Kill_Nick PARAMS(( char *Nick, char *Reason ));
 static void Introduce_Client PARAMS((CLIENT *To, CLIENT *Client, int Type));
-static void Reject_Client PARAMS((CLIENT *Client));
+static void Reject_Client PARAMS((CLIENT *Client, const char *InternalReason));

 static void cb_introduceClient PARAMS((CLIENT *Client, CLIENT *Prefix,
 				       void *i));
@@ -945,7 +945,7 @@ Hello_User(CLIENT * Client)
 		 * passwords supplied are classified as "wrong". */
 		if(Client_Password(Client)[0] == '\0')
 			return Hello_User_PostAuth(Client);
-		Reject_Client(Client);
+		Reject_Client(Client, "non-empty password");
 		return DISCONNECTED;
 	}

@@ -972,7 +972,7 @@ Hello_User(CLIENT * Client)
 	/* Check global server password ... */
 	if (strcmp(Client_Password(Client), Conf_ServerPwd) != 0) {
 		/* Bad password! */
-		Reject_Client(Client);
+		Reject_Client(Client, "bad server password");
 		return DISCONNECTED;
 	}
 	return Hello_User_PostAuth(Client);
@@ -1017,7 +1017,7 @@ cb_Read_Auth_Result(int r_fd, UNUSED short events)

 	if (len != sizeof(result)) {
 		Log(LOG_CRIT, "Auth: Got malformed result!");
-		Reject_Client(client);
+		Reject_Client(client, "internal error");
 		return;
 	}

@@ -1025,7 +1025,7 @@ cb_Read_Auth_Result(int r_fd, UNUSED short events)
 		Client_SetUser(client, Client_OrigUser(client), true);
 		(void)Hello_User_PostAuth(client);
 	} else
-		Reject_Client(client);
+		Reject_Client(client, "bad password");
 }

 #endif
@@ -1040,12 +1040,12 @@ cb_Read_Auth_Result(int r_fd, UNUSED short events)
  * @param Client	The client to reject.
  */
 static void
-Reject_Client(CLIENT *Client)
+Reject_Client(CLIENT *Client, const char *InternalReason)
 {
 	Log(LOG_ERR,
-	    "User \"%s\" rejected (connection %d): Access denied!",
-	    Client_Mask(Client), Client_Conn(Client));
-	Conn_Close(Client_Conn(Client), NULL,
+	    "User \"%s\" rejected (connection %d): %s!",
+	    Client_Mask(Client), Client_Conn(Client), InternalReason);
+	Conn_Close(Client_Conn(Client), InternalReason,
 		   "Access denied! Bad password?", true);
 }

@@ -1062,9 +1062,12 @@ Reject_Client(CLIENT *Client)
 static bool
 Hello_User_PostAuth(CLIENT *Client)
 {
-	if (Class_IsMember(CLASS_GLINE, Client) ||
-	    Class_IsMember(CLASS_KLINE, Client)) {
-		Reject_Client(Client);
+	if (Class_IsMember(CLASS_GLINE, Client)) {
+		Reject_Client(Client, "G-Line'd");
+		return DISCONNECTED;
+	}
+	if (Class_IsMember(CLASS_KLINE, Client)) {
+		Reject_Client(Client, "K-Line'd");
 		return DISCONNECTED;
 	}

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