X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Firc-login.c;h=6969fa338c22018643c5b08aa976bb0b2257fb7c;hp=c3f32b7e8b2516fe383b6482341817ce668269a6;hb=a14eb495b75c8c2a2a32ddb6eecf50dc174f811c;hpb=497edbaf3eb51e6c67975713ee5c52d2d1b48105

diff --git a/src/ngircd/irc-login.c b/src/ngircd/irc-login.c
index c3f32b7e..6969fa33 100644
--- a/src/ngircd/irc-login.c
+++ b/src/ngircd/irc-login.c
@@ -1,6 +1,6 @@
 /*
  * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2011 Alexander Barton (alex@barton.de) and Contributors.
+ * Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -39,8 +39,8 @@
 #include "irc-login.h"
 
 static void Kill_Nick PARAMS((char *Nick, char *Reason));
-static void Change_Nick PARAMS((CLIENT * Origin, CLIENT * Target,
-				char *NewNick, bool RegisterWhowas));
+static void Change_Nick PARAMS((CLIENT * Origin, CLIENT * Target, char *NewNick,
+				bool InformClient));
 
 
 /**
@@ -146,7 +146,7 @@ IRC_PASS( CLIENT *Client, REQUEST *Req )
 			} else
 				flags = "";
 			Log(LOG_INFO,
-			    "Peer on conenction %d announces itself as %s-%s using protocol %d.%d/IRC+ (flags: \"%s\").",
+			    "Peer on connection %d announces itself as %s-%s using protocol %d.%d/IRC+ (flags: \"%s\").",
 			    Client_Conn(Client), impl, serverver,
 			    protohigh, protolow, flags);
 		} else {
@@ -278,7 +278,8 @@ IRC_NICK( CLIENT *Client, REQUEST *Req )
 				Client_SetType( Client, CLIENT_GOTNICK );
 		} else {
 			/* Nickname change */
-			Change_Nick(Client, target, Req->argv[0], true);
+			Change_Nick(Client, target, Req->argv[0],
+				    Client_Type(Client) == CLIENT_USER ? true : false);
 			IRC_SetPenalty(target, 2);
 		}
 
@@ -359,6 +360,54 @@ IRC_NICK( CLIENT *Client, REQUEST *Req )
 } /* IRC_NICK */
 
 
+/**
+ * Handler for the IRC "SVSNICK" command.
+ *
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
+ * @return CONNECTED or DISCONNECTED.
+ */
+GLOBAL bool
+IRC_SVSNICK(CLIENT *Client, REQUEST *Req)
+{
+	CLIENT *from, *target;
+
+	assert(Client != NULL);
+	assert(Req != NULL);
+
+	if (Req->argc != 2)
+		return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+					  Client_ID(Client), Req->command);
+
+	/* Search the originator */
+	from = Client_Search(Req->prefix);
+	if (!from)
+		from = Client;
+
+	/* Search the target */
+	target = Client_Search(Req->argv[0]);
+	if (!target || Client_Type(target) != CLIENT_USER) {
+		return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
+					  Client_ID(Client), Req->argv[0]);
+	}
+
+	if (Client_Conn(target) <= NONE) {
+		/* We have to forward the message to the server handling
+		 * this user; this is required to make sure all servers
+		 * in the network do follow the nick name change! */
+		return IRC_WriteStrClientPrefix(Client_NextHop(target), from,
+						"SVSNICK %s %s",
+						Req->argv[0], Req->argv[1]);
+	}
+
+	/* Make sure that the new nickname is valid */
+	if (!Client_CheckNick(from, Req->argv[1]))
+		return CONNECTED;
+
+	Change_Nick(from, target, Req->argv[1], true);
+	return CONNECTED;
+}
+
 /**
  * Handler for the IRC "USER" command.
  *
@@ -394,8 +443,8 @@ IRC_USER(CLIENT * Client, REQUEST * Req)
 		   punctuation is allowed.*/
 		ptr = Req->argv[0];
 		while (*ptr) {
-			if (!isalnum(*ptr) &&
-			    *ptr != '+' && *ptr != '-' &&
+			if (!isalnum((int)*ptr) &&
+			    *ptr != '+' && *ptr != '-' && *ptr != '@' &&
 			    *ptr != '.' && *ptr != '_') {
 				Conn_Close(Client_Conn(Client), NULL,
 					   "Invalid user name", true);
@@ -404,6 +453,13 @@ IRC_USER(CLIENT * Client, REQUEST * Req)
 			ptr++;
 		}
 
+		/* Save the received username for authentication, and use
+		 * it up to the first '@' as default user name (like ircd2.11,
+		 * bahamut, ircd-seven, ...), prefixed with '~', if needed: */
+		Client_SetOrigUser(Client, Req->argv[0]);
+		ptr = strchr(Req->argv[0], '@');
+		if (ptr)
+			*ptr = '\0';
 #ifdef IDENTAUTH
 		ptr = Client_User(Client);
 		if (!ptr || !*ptr || *ptr == '~')
@@ -411,7 +467,6 @@ IRC_USER(CLIENT * Client, REQUEST * Req)
 #else
 		Client_SetUser(Client, Req->argv[0], false);
 #endif
-		Client_SetOrigUser(Client, Req->argv[0]);
 
 		/* "Real name" or user info text: Don't set it to the empty
 		 * string, the original ircd can't deal with such "real names"
@@ -642,11 +697,11 @@ IRC_QUIT( CLIENT *Client, REQUEST *Req )
 		}
 
 		if (target != Client) {
-			Client_Destroy(target, "Got QUIT command.",
+			Client_Destroy(target, "Got QUIT command",
 				       Req->argc == 1 ? quitmsg : NULL, true);
 			return CONNECTED;
 		} else {
-			Conn_Close(Client_Conn(Client), "Got QUIT command.",
+			Conn_Close(Client_Conn(Client), "Got QUIT command",
 				   Req->argc == 1 ? quitmsg : NULL, true);
 			return DISCONNECTED;
 		}
@@ -659,7 +714,7 @@ IRC_QUIT( CLIENT *Client, REQUEST *Req )
 		}
 
 		/* User, Service, or not yet registered */
-		Conn_Close(Client_Conn(Client), "Got QUIT command.",
+		Conn_Close(Client_Conn(Client), "Got QUIT command",
 			   Req->argc == 1 ? quitmsg : NULL, true);
 
 		return DISCONNECTED;
@@ -858,8 +913,9 @@ IRC_PONG(CLIENT *Client, REQUEST *Req)
 
 	if (Client_Type(Client) == CLIENT_SERVER && Conn_LastPing(conn) == 0) {
 		Log(LOG_INFO,
-		    "Synchronization with \"%s\" done (connection %d): %ld seconds [%ld users, %ld channels]",
+		    "Synchronization with \"%s\" done (connection %d): %ld second%s [%ld users, %ld channels].",
 		    Client_ID(Client), conn, time(NULL) - Conn_GetSignon(conn),
+		    time(NULL) - Conn_GetSignon(conn) == 1 ? "" : "s",
 		    Client_UserCount(), Channel_CountVisible(NULL));
 		Conn_UpdatePing(conn);
 	} else
@@ -889,7 +945,7 @@ Kill_Nick(char *Nick, char *Reason)
 	r.argv[1] = Reason;
 	r.argc = 2;
 
-	Log(LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s",
+	Log(LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s!",
 	    Nick, Reason);
 
 	IRC_KILL(Client_ThisServer(), &r);
@@ -904,7 +960,7 @@ Kill_Nick(char *Nick, char *Reason)
  * @param NewNick The new nickname.
  */
 static void
-Change_Nick(CLIENT *Origin, CLIENT *Target, char *NewNick, bool RegisterWhowas)
+Change_Nick(CLIENT *Origin, CLIENT *Target, char *NewNick, bool InformClient)
 {
 	if (Client_Conn(Target) > NONE) {
 		/* Local client */
@@ -921,14 +977,15 @@ Change_Nick(CLIENT *Origin, CLIENT *Target, char *NewNick, bool RegisterWhowas)
 	}
 
 	/* Inform all servers and users (which have to know) of the new name */
-	if (Client_Type(Origin) == CLIENT_USER)
-		IRC_WriteStrClientPrefix(Origin, Origin, "NICK :%s", NewNick);
-	IRC_WriteStrServersPrefix(Origin, Target, "NICK :%s", NewNick);
+	if (InformClient) {
+		IRC_WriteStrClientPrefix(Target, Target, "NICK :%s", NewNick);
+		IRC_WriteStrServersPrefix(NULL, Target, "NICK :%s", NewNick);
+	} else
+		IRC_WriteStrServersPrefix(Origin, Target, "NICK :%s", NewNick);
 	IRC_WriteStrRelatedPrefix(Target, Target, false, "NICK :%s", NewNick);
 
-	/* Register old nickname for WHOWAS queries, if required */
-	if (RegisterWhowas)
-		Client_RegisterWhowas(Target);
+	/* Register old nickname for WHOWAS queries */
+	Client_RegisterWhowas(Target);
 
 	/* Save new nickname */
 	Client_SetID(Target, NewNick);