X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Fclient.c;h=e203cdd0e79df243089066d09a80eedec5355a46;hp=1aaf687ce6995e8f958daf7d4b98860084234d9a;hb=bf5610a3b9ceef67da9777c5f4a72b9733124a33;hpb=51a6a33056486c19da6b8d6e4809dde57be00ece

diff --git a/src/ngircd/client.c b/src/ngircd/client.c
index 1aaf687c..e203cdd0 100644
--- a/src/ngircd/client.c
+++ b/src/ngircd/client.c
@@ -37,6 +37,7 @@
 #include "ngircd.h"
 #include "channel.h"
 #include "conf.h"
+#include "conn-func.h"
 #include "hash.h"
 #include "irc-write.h"
 #include "log.h"
@@ -69,6 +70,8 @@ static CLIENT *Init_New_Client PARAMS((CONN_ID Idx, CLIENT *Introducer,
 static void Destroy_UserOrService PARAMS((CLIENT *Client,const char *Txt, const char *FwdMsg,
 					bool SendQuit));
 
+static void cb_introduceClient PARAMS((CLIENT *Client, CLIENT *Prefix,
+				       void *i));
 
 GLOBAL void
 Client_Init( void )
@@ -186,7 +189,6 @@ Init_New_Client(CONN_ID Idx, CLIENT *Introducer, CLIENT *TopServer,
 
 	assert(Idx >= NONE);
 	assert(Introducer != NULL);
-	assert(Hostname != NULL);
 
 	client = New_Client_Struct();
 	if (!client)
@@ -313,16 +315,29 @@ Client_Destroy( CLIENT *Client, const char *LogMsg, const char *FwdMsg, bool Sen
 } /* Client_Destroy */
 
 
+/**
+ * Set client hostname.
+ *
+ * If global hostname cloaking is in effect, don't set the real hostname
+ * but the configured one.
+ *
+ * @param Client The client of which the hostname should be set.
+ * @param Hostname The new hostname.
+ */
 GLOBAL void
 Client_SetHostname( CLIENT *Client, const char *Hostname )
 {
-	assert( Client != NULL );
-	assert( Hostname != NULL );
+	assert(Client != NULL);
+	assert(Hostname != NULL);
 
 	if (strlen(Conf_CloakHost)) {
-		strlcpy( Client->host, Conf_CloakHost, sizeof( Client->host ));
+		LogDebug("Updating hostname of \"%s\": \"%s\" -> \"%s\"",
+			 Client_ID(Client), Client->host, Conf_CloakHost);
+		strlcpy(Client->host, Conf_CloakHost, sizeof(Client->host));
 	} else {
-		strlcpy( Client->host, Hostname, sizeof( Client->host ));
+		LogDebug("Updating hostname of \"%s\": \"%s\" -> \"%s\"",
+			 Client_ID(Client), Client->host, Hostname);
+		strlcpy(Client->host, Hostname, sizeof(Client->host));
 	}
 } /* Client_SetHostname */
 
@@ -810,7 +825,9 @@ Client_MaskCloaked(CLIENT *Client)
 	    return Client_Mask(Client);
 
 	snprintf(Mask_Buffer, GETID_LEN, "%s!%s@%s",
-		 Client->id, Client->user, Client_ID(Client->introducer));
+		 Client->id, Client->user,
+		 *Conf_CloakHostModeX ? Conf_CloakHostModeX
+				      : Client_ID(Client->introducer));
 	return Mask_Buffer;
 } /* Client_MaskCloaked */
 
@@ -1130,6 +1147,46 @@ Client_Reject(CLIENT *Client, const char *Reason, bool InformClient)
 }
 
 
+/**
+ * Introduce a new user or service client in the network.
+ *
+ * @param From Remote server introducing the client or NULL (local).
+ * @param Client New client.
+ * @param Type Type of the client (CLIENT_USER or CLIENT_SERVICE).
+ */
+GLOBAL void
+Client_Introduce(CLIENT *From, CLIENT *Client, int Type)
+{
+	/* Set client type (user or service) */
+	Client_SetType(Client, Type);
+
+	if (From) {
+		if (Conf_IsService(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).",
+			 Client_TypeText(Client), Client_Mask(Client),
+			 Client_Modes(Client), Client_ID(From),
+			 Client_ID(Client_Introducer(Client)),
+			 Client_Hops(Client), Client_Hops(Client) > 1 ? "s": "");
+	} else {
+		Log(LOG_NOTICE, "%s \"%s\" registered (connection %d).",
+		    Client_TypeText(Client), Client_Mask(Client),
+		    Client_Conn(Client));
+		Log_ServerNotice('c', "Client connecting: %s (%s@%s) [%s] - %s",
+			         Client_ID(Client), Client_User(Client),
+				 Client_Hostname(Client),
+				 Conn_IPA(Client_Conn(Client)),
+				 Client_TypeText(Client));
+	}
+
+	/* Inform other servers */
+	IRC_WriteStrServersPrefixFlag_CB(From,
+				From != NULL ? From : Client_ThisServer(),
+				'\0', cb_introduceClient, (void *)Client);
+} /* Client_Introduce */
+
+
 static unsigned long
 Count( CLIENT_TYPE Type )
 {
@@ -1349,6 +1406,59 @@ Destroy_UserOrService(CLIENT *Client, const char *Txt, const char *FwdMsg, bool
 } /* Destroy_UserOrService */
 
 
+/**
+ * Introduce a new user or service client to a remote server.
+ *
+ * This function differentiates between RFC1459 and RFC2813 server links and
+ * generates the appropriate commands to register the new user or service.
+ *
+ * @param To		The remote server to inform.
+ * @param Prefix	Prefix for the generated commands.
+ * @param data		CLIENT structure of the new client.
+ */
+static void
+cb_introduceClient(CLIENT *To, CLIENT *Prefix, void *data)
+{
+	CLIENT *c = (CLIENT *)data;
+	CONN_ID conn;
+	char *modes, *user, *host;
+
+	modes = Client_Modes(c);
+	user = Client_User(c) ? Client_User(c) : "-";
+	host = Client_Hostname(c) ? Client_Hostname(c) : "-";
+
+	conn = Client_Conn(To);
+	if (Conn_Options(conn) & CONN_RFC1459) {
+		/* RFC 1459 mode: separate NICK and USER commands */
+		Conn_WriteStr(conn, "NICK %s :%d", Client_ID(c),
+			      Client_Hops(c) + 1);
+		Conn_WriteStr(conn, ":%s USER %s %s %s :%s",
+			      Client_ID(c), user, host,
+			      Client_ID(Client_Introducer(c)), Client_Info(c));
+		if (modes[0])
+			Conn_WriteStr(conn, ":%s MODE %s +%s",
+				      Client_ID(c), Client_ID(c), modes);
+	} else {
+		/* RFC 2813 mode: one combined NICK or SERVICE command */
+		if (Client_Type(c) == CLIENT_SERVICE
+		    && strchr(Client_Flags(To), 'S'))
+			IRC_WriteStrClientPrefix(To, Prefix,
+						 "SERVICE %s %d * +%s %d :%s",
+						 Client_Mask(c),
+						 Client_MyToken(Client_Introducer(c)),
+						 Client_Modes(c), Client_Hops(c) + 1,
+						 Client_Info(c));
+		else
+			IRC_WriteStrClientPrefix(To, Prefix,
+						 "NICK %s %d %s %s %d +%s :%s",
+						 Client_ID(c), Client_Hops(c) + 1,
+						 user, host,
+						 Client_MyToken(Client_Introducer(c)),
+						 modes, Client_Info(c));
+	}
+} /* cb_introduceClient */
+
+
 #ifdef DEBUG
 
 GLOBAL void