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-rw-r--r--src/ngircd/client.c14
-rw-r--r--src/ngircd/conf.c33
-rw-r--r--src/ngircd/conf.h5
-rw-r--r--src/ngircd/conn.c8
-rw-r--r--src/ngircd/match.c49
-rw-r--r--src/ngircd/match.h12
-rw-r--r--src/ngircd/messages.h1
7 files changed, 98 insertions, 24 deletions
diff --git a/src/ngircd/client.c b/src/ngircd/client.c
index 5ca99c03..0d2d4147 100644
--- a/src/ngircd/client.c
+++ b/src/ngircd/client.c
@@ -1,6 +1,6 @@
 /*
  * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2010 Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2012 Alexander Barton (alex@barton.de)
  *
  * 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
@@ -885,6 +885,16 @@ Client_CheckNick(CLIENT *Client, char *Nick)
 		return false;
 	}
 
+	if (Client_Type(Client) != CLIENT_SERVER
+	    && Client_Type(Client) != CLIENT_SERVICE) {
+		/* Make sure that this isn't a restricted/forbidden nick name */
+		if (Conf_NickIsBlocked(Nick)) {
+			IRC_WriteStrClient(Client, ERR_FORBIDDENNICKNAME_MSG,
+					   Client_ID(Client), Nick);
+			return false;
+		}
+	}
+
 	/* Nickname already registered? */
 	if (Client_Search(Nick)) {
 		IRC_WriteStrClient(Client, ERR_NICKNAMEINUSE_MSG,
@@ -1155,7 +1165,7 @@ Client_Introduce(CLIENT *From, CLIENT *Client, int Type)
 	Client_SetType(Client, Type);
 
 	if (From) {
-		if (Conf_IsService(Conf_GetServer(Client_Conn(From)),
+		if (Conf_NickIsService(Conf_GetServer(Client_Conn(From)),
 				   Client_ID(Client)))
 			Client_SetType(Client, CLIENT_SERVICE);
 		LogDebug("%s \"%s\" (+%s) registered (via %s, on %s, %d hop%s).",
diff --git a/src/ngircd/conf.c b/src/ngircd/conf.c
index 923cdc02..3966dc90 100644
--- a/src/ngircd/conf.c
+++ b/src/ngircd/conf.c
@@ -636,14 +636,41 @@ Conf_AddServer(const char *Name, UINT16 Port, const char *Host,
 }
 
 /**
- * Check if the given nick name is an service.
+ * Check if the given nick name is reserved for services on a particular server.
  *
+ * @param ConfServer The server index to check.
+ * @param Nick The nick name to check.
  * @returns true if the given nick name belongs to an "IRC service".
  */
 GLOBAL bool
-Conf_IsService(int ConfServer, const char *Nick)
+Conf_NickIsService(int ConfServer, const char *Nick)
 {
-	return MatchCaseInsensitive(Conf_Server[ConfServer].svs_mask, Nick);
+	assert (ConfServer >= 0);
+	assert (ConfServer < MAX_SERVERS);
+
+	return MatchCaseInsensitiveList(Conf_Server[ConfServer].svs_mask,
+					Nick, ",");
+}
+
+/**
+ * Check if the given nick name is blocked for "normal client" use.
+ *
+ * @param ConfServer The server index or NONE to check all configured servers.
+ * @param Nick The nick name to check.
+ * @returns true if the given nick name belongs to an "IRC service".
+ */
+GLOBAL bool
+Conf_NickIsBlocked(const char *Nick)
+{
+	int i;
+
+	for(i = 0; i < MAX_SERVERS; i++) {
+		if (!Conf_Server[i].name[0])
+			continue;
+		if (Conf_NickIsService(i, Nick))
+			return true;
+	}
+	return false;
 }
 
 /**
diff --git a/src/ngircd/conf.h b/src/ngircd/conf.h
index 4e7e3796..8e66c07c 100644
--- a/src/ngircd/conf.h
+++ b/src/ngircd/conf.h
@@ -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
@@ -244,7 +244,8 @@ GLOBAL bool Conf_EnablePassiveServer PARAMS((const char *Name));
 GLOBAL bool Conf_DisableServer PARAMS(( const char *Name ));
 GLOBAL bool Conf_AddServer PARAMS(( const char *Name, UINT16 Port, const char *Host, const char *MyPwd, const char *PeerPwd ));
 
-GLOBAL bool Conf_IsService PARAMS((int ConfServer, const char *Nick));
+GLOBAL bool Conf_NickIsService PARAMS((int ConfServer, const char *Nick));
+GLOBAL bool Conf_NickIsBlocked PARAMS((const char *Nick));
 
 /* Password required by WEBIRC command */
 GLOBAL char Conf_WebircPwd[CLIENT_PASS_LEN];
diff --git a/src/ngircd/conn.c b/src/ngircd/conn.c
index e7bf1db8..e57aa242 100644
--- a/src/ngircd/conn.c
+++ b/src/ngircd/conn.c
@@ -1865,10 +1865,10 @@ Check_Connections(void)
 				if (My_Connections[i].lastping <
 				    time(NULL) - Conf_PongTimeout) {
 					/* Timeout */
-					LogDebug
-					    ("Connection %d: Ping timeout: %d seconds.",
-					     i, Conf_PongTimeout);
-					snprintf(msg, sizeof(msg), "Ping timeout: %d seconds", Conf_PongTimeout);
+					snprintf(msg, sizeof(msg),
+						 "Ping timeout: %d seconds",
+						 Conf_PongTimeout);
+					LogDebug("Connection %d: %s.", i, msg);
 					Conn_Close(i, NULL, msg, true);
 				}
 			} else if (My_Connections[i].lastdata <
diff --git a/src/ngircd/match.c b/src/ngircd/match.c
index 79699ea0..75bf4358 100644
--- a/src/ngircd/match.c
+++ b/src/ngircd/match.c
@@ -1,6 +1,6 @@
 /*
  * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * 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
@@ -48,9 +48,9 @@ static int Matche_After_Star PARAMS(( const char *p, const char *t ));
 /**
  * Match string with pattern.
  *
- * @param Pattern	Pattern to match with
- * @param String	Input string
- * @return		true if pattern matches
+ * @param Pattern Pattern to match with
+ * @param String Input string
+ * @return true if pattern matches
  */
 GLOBAL bool
 Match( const char *Pattern, const char *String )
@@ -64,17 +64,46 @@ Match( const char *Pattern, const char *String )
 /**
  * Match string with pattern case-insensitive.
  *
- * @param pattern	Pattern to match with
- * @param searchme	Input string, at most COMMAND_LEN-1 characters long
- * @return		true if pattern matches
+ * @param Pattern Pattern to match with
+ * @param String Input string, at most COMMAND_LEN-1 characters long
+ * @return true if pattern matches
  */
 GLOBAL bool
-MatchCaseInsensitive(const char *pattern, const char *searchme)
+MatchCaseInsensitive(const char *Pattern, const char *String)
 {
 	char haystack[COMMAND_LEN];
 
-	strlcpy(haystack, searchme, sizeof(haystack));
-	return Match(pattern, ngt_LowerStr(haystack));
+	strlcpy(haystack, String, sizeof(haystack));
+	return Match(Pattern, ngt_LowerStr(haystack));
+} /* MatchCaseInsensitive */
+
+
+/**
+ * Match string with pattern case-insensitive.
+ *
+ * @param pattern Pattern to match with
+ * @param String Input string, at most COMMAND_LEN-1 characters long
+ * @param Separator Character separating the individual patterns in the list
+ * @return true if pattern matches
+ */
+GLOBAL bool
+MatchCaseInsensitiveList(const char *Pattern, const char *String,
+		     const char *Separator)
+{
+	char tmp_pattern[COMMAND_LEN], haystack[COMMAND_LEN], *ptr;
+
+	strlcpy(tmp_pattern, Pattern, sizeof(tmp_pattern));
+	strlcpy(haystack, String, sizeof(haystack));
+	ngt_LowerStr(haystack);
+
+	ptr = strtok(tmp_pattern, Separator);
+	while (ptr) {
+		ngt_TrimStr(ptr);
+		if (Match(ptr, haystack))
+			return true;
+		ptr = strtok(NULL, Separator);
+	}
+	return false;
 } /* MatchCaseInsensitive */
 
 
diff --git a/src/ngircd/match.h b/src/ngircd/match.h
index 2efe3f5b..d4107fb6 100644
--- a/src/ngircd/match.h
+++ b/src/ngircd/match.h
@@ -1,6 +1,6 @@
 /*
  * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * 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
@@ -17,8 +17,14 @@
  * Wildcard pattern matching (header)
  */
 
-GLOBAL bool Match PARAMS(( const char *Pattern, const char *String ));
-GLOBAL bool MatchCaseInsensitive PARAMS(( const char *Pattern, const char *searchme ));
+GLOBAL bool Match PARAMS((const char *Pattern, const char *String));
+
+GLOBAL bool MatchCaseInsensitive PARAMS((const char *Pattern,
+					 const char *String));
+
+GLOBAL bool MatchCaseInsensitiveList PARAMS((const char *Pattern,
+					     const char *String,
+					     const char *Separator));
 
 #endif
 
diff --git a/src/ngircd/messages.h b/src/ngircd/messages.h
index 96ff2dea..9ad6be17 100644
--- a/src/ngircd/messages.h
+++ b/src/ngircd/messages.h
@@ -112,6 +112,7 @@
 #define ERR_NONICKNAMEGIVEN_MSG		"431 %s :No nickname given"
 #define ERR_ERRONEUSNICKNAME_MSG	"432 %s %s :Erroneous nickname"
 #define ERR_NICKNAMETOOLONG_MSG		"432 %s %s :Nickname too long, max. %u characters"
+#define ERR_FORBIDDENNICKNAME_MSG	"432 %s %s :Nickname is forbidden/blocked"
 #define ERR_NICKNAMEINUSE_MSG		"433 %s %s :Nickname already in use"
 #define ERR_USERNOTINCHANNEL_MSG	"441 %s %s %s :They aren't on that channel"
 #define ERR_NOTONCHANNEL_MSG		"442 %s %s :You are not on that channel"
generated by cgit-pink 1.4.1 (git 2.36.1) at 2026-03-01 20:01:11 +0000