X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Fngircd%2Fconn.c;h=e57aa2423a3eea2bbdacea0500fe9e3452ddb0bf;hb=c519ba9920d2d9b12016d0825382cd236219112c;hp=5f3c18afd0108fe8eb115c236257cc3c2879bcd7;hpb=05cc9bf9b064c7048f6b197462a686c5a9100798;p=ngircd-alex.git

diff --git a/src/ngircd/conn.c b/src/ngircd/conn.c
index 5f3c18af..e57aa242 100644
--- a/src/ngircd/conn.c
+++ b/src/ngircd/conn.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
@@ -82,8 +82,8 @@
 #define SERVER_WAIT (NONE - 1)
 
 #define MAX_COMMANDS 3
-#define MAX_COMMANDS_SERVER 10
-#define MAX_COMMANDS_SERVICE MAX_COMMANDS_SERVER
+#define MAX_COMMANDS_SERVER_MIN 10
+#define MAX_COMMANDS_SERVICE 10
 
 
 static bool Handle_Write PARAMS(( CONN_ID Idx ));
@@ -918,6 +918,30 @@ va_dcl
 	return ok;
 } /* Conn_WriteStr */
 
+GLOBAL char*
+Conn_Password( CONN_ID Idx )
+{
+	assert( Idx > NONE );
+	if (My_Connections[Idx].pwd == NULL)
+		return (char*)"\0";
+	else
+		return My_Connections[Idx].pwd;
+} /* Conn_Password */
+
+GLOBAL void
+Conn_SetPassword( CONN_ID Idx, const char *Pwd )
+{
+	assert( Idx > NONE );
+
+	if (My_Connections[Idx].pwd)
+		free(My_Connections[Idx].pwd);
+
+	My_Connections[Idx].pwd = strdup(Pwd);
+	if (My_Connections[Idx].pwd == NULL) {
+		Log(LOG_EMERG, "Can't allocate memory! [Conn_SetPassword]");
+		exit(1);
+	}
+} /* Conn_SetPassword */
 
 /**
  * Append Data to the outbound write buffer of a connection.
@@ -1146,6 +1170,8 @@ Conn_Close( CONN_ID Idx, const char *LogMsg, const char *FwdMsg, bool InformClie
 
 	array_free(&My_Connections[Idx].rbuf);
 	array_free(&My_Connections[Idx].wbuf);
+	if (My_Connections[Idx].pwd != NULL)
+		free(My_Connections[Idx].pwd);
 
 	/* Clean up connection structure (=free it) */
 	Init_Conn_Struct( Idx );
@@ -1226,6 +1252,20 @@ Conn_SyncServerStruct(void)
 } /* SyncServerStruct */
 
 
+/**
+ * Get IP address string of a connection.
+ *
+ * @param Idx Connection index.
+ * @return Pointer to a global buffer containing the IP address as string.
+ */
+GLOBAL const char *
+Conn_GetIPAInfo(CONN_ID Idx)
+{
+	assert(Idx > NONE);
+	return ng_ipaddr_tostr(&My_Connections[Idx].addr);
+}
+
+
 /**
  * Send out data of write buffer; connect new sockets.
  *
@@ -1424,7 +1464,7 @@ New_Connection(int Sock)
 		return -1;
 	}
 
-	c = Client_NewLocal(new_sock, ip_str, CLIENT_UNKNOWN, false);
+	c = Client_NewLocal(new_sock, NULL, CLIENT_UNKNOWN, false);
 	if (!c) {
 		Log(LOG_ALERT,
 		    "Can't accept connection: can't create client structure!");
@@ -1575,7 +1615,7 @@ Read_Request( CONN_ID Idx )
 		if (!array_catb(&My_Connections[Idx].zip.rbuf, readbuf,
 				(size_t) len)) {
 			Log(LOG_ERR,
-			    "Could not append recieved data to zip input buffer (connection %d): %d bytes!",
+			    "Could not append received data to zip input buffer (connection %d): %d bytes!",
 			    Idx, len);
 			Conn_Close(Idx, "Receive buffer space exhausted", NULL,
 				   false);
@@ -1586,7 +1626,7 @@ Read_Request( CONN_ID Idx )
 	{
 		if (!array_catb( &My_Connections[Idx].rbuf, readbuf, len)) {
 			Log(LOG_ERR,
-			    "Could not append recieved data to input buffer (connection %d): %d bytes!",
+			    "Could not append received data to input buffer (connection %d): %d bytes!",
 			    Idx, len);
 			Conn_Close(Idx, "Receive buffer space exhausted", NULL, false );
 		}
@@ -1660,16 +1700,15 @@ Handle_Buffer(CONN_ID Idx)
 
 	assert(c != NULL);
 
-	/* Servers do get special command limits, so they can process
-	 * all the messages that are required while peering. */
+	/* Servers get special command limits that depend on the user count */
 	switch (Client_Type(c)) {
 	    case CLIENT_SERVER:
-		/* Allow servers to send more commands in the first 10 secods
+		maxcmd = (int)(Client_UserCount() / 5)
+		       + MAX_COMMANDS_SERVER_MIN;
+		/* Allow servers to handle even more commands while peering
 		 * to speed up server login and network synchronisation. */
-		if (starttime - Client_StartTime(c) < 10)
-			maxcmd = MAX_COMMANDS_SERVER * 5;
-		else
-			maxcmd = MAX_COMMANDS_SERVER;
+		if (Conn_LastPing(Idx) == 0)
+			maxcmd *= 5;
 		break;
 	    case CLIENT_SERVICE:
 		maxcmd = MAX_COMMANDS_SERVICE; break;
@@ -1826,17 +1865,17 @@ 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 <
 				   time(NULL) - Conf_PingTimeout) {
 				/* We need to send a PING ... */
 				LogDebug("Connection %d: sending PING ...", i);
-				My_Connections[i].lastping = time(NULL);
+				Conn_UpdatePing(i);
 				Conn_WriteStr(i, "PING :%s",
 					      Client_ID(Client_ThisServer()));
 			}
@@ -1922,6 +1961,14 @@ New_Server( int Server , ng_ipaddr_t *dest)
 
 	assert( Server > NONE );
 
+	/* Make sure that the remote server hasn't re-linked to this server
+	 * asynchronously on its own */
+	if (Conf_Server[Server].conn_id > NONE) {
+		Log(LOG_INFO,
+			"Connection to \"%s\" meanwhile re-established, aborting preparation.");
+		return;
+	}
+
 	if (!ng_ipaddr_tostr_r(dest, ip_str)) {
 		Log(LOG_WARNING, "New_Server: Could not convert IP to string");
 		return;
@@ -1995,7 +2042,7 @@ New_Server( int Server , ng_ipaddr_t *dest)
 	Client_SetToken( c, TOKEN_OUTBOUND );
 
 	/* Register connection */
-	Conf_Server[Server].conn_id = new_sock;
+	Conf_SetServer(Server, new_sock);
 	My_Connections[new_sock].sock = new_sock;
 	My_Connections[new_sock].addr = *dest;
 	My_Connections[new_sock].client = c;
@@ -2161,6 +2208,7 @@ cb_Read_Resolver_Result( int r_fd, UNUSED short events )
 	char *identptr;
 #ifdef IDENTAUTH
 	char readbuf[HOST_LEN + 2 + CLIENT_USER_LEN];
+	char *ptr;
 #else
 	char readbuf[HOST_LEN + 1];
 #endif
@@ -2213,11 +2261,30 @@ cb_Read_Resolver_Result( int r_fd, UNUSED short events )
 #ifdef IDENTAUTH
 		++identptr;
 		if (*identptr) {
-			Log(LOG_INFO, "IDENT lookup for connection %d: \"%s\".", i, identptr);
-			Client_SetUser(c, identptr, true);
-			if (Conf_NoticeAuth)
+			ptr = identptr;
+			while (*ptr) {
+				if ((*ptr < '0' || *ptr > '9') &&
+				    (*ptr < 'A' || *ptr > 'Z') &&
+				    (*ptr < 'a' || *ptr > 'z'))
+					break;
+				ptr++;
+			}
+			if (*ptr) {
+				/* Erroneous IDENT reply */
+				Log(LOG_NOTICE,
+				    "Got invalid IDENT reply for connection %d! Ignored.",
+				    i);
+			} else {
+				Log(LOG_INFO,
+				    "IDENT lookup for connection %d: \"%s\".",
+				    i, identptr);
+				Client_SetUser(c, identptr, true);
+			}
+			if (Conf_NoticeAuth) {
 				(void)Conn_WriteStr(i,
-					"NOTICE AUTH :*** Got ident response");
+					"NOTICE AUTH :*** Got %sident response",
+					*ptr ? "invalid " : "");
+			}
 		} else {
 			Log(LOG_INFO, "IDENT lookup for connection %d: no result.", i);
 			if (Conf_NoticeAuth && Conf_Ident)
@@ -2225,6 +2292,7 @@ cb_Read_Resolver_Result( int r_fd, UNUSED short events )
 					"NOTICE AUTH :*** No ident response");
 		}
 #endif
+		Class_HandleServerBans(c);
 	}
 #ifdef DEBUG
 		else Log( LOG_DEBUG, "Resolver: discarding result for already registered connection %d.", i );