New configuration option "Listen" to bind the server to a specific ip.

diff --git a/ChangeLog b/ChangeLog
index 111dad2734eb4ef0e7fd994eb00167b0dfdc8299..fc3767a20c8f263d0eada797d3a6ed0a7932172e 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,8 @@
 
 ngIRCd CVS-HEAD
 
+  - Added new configuration variable "Listen" to bind all listening
+    sockets of the server to a single IP address.
   - Suppress misleading error message of diff during make run.
   - Enhanced test-suite and made it work on GNU/Hurd.
   - Fixed minor typo in debug output :-)
@@ -464,4 +466,4 @@ ngIRCd 0.0.1, 31.12.2001
 
 
 -- 
-$Id: ChangeLog,v 1.210 2003/09/09 13:24:41 alex Exp $
+$Id: ChangeLog,v 1.211 2003/09/11 12:05:28 alex Exp $

diff --git a/NEWS b/NEWS
index 4ace41026168d1f162e93243958c2492b20e4b80..c55b2b4eb6f52c94bbcfa8ec2f37ecdd028faae5 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -10,6 +10,11 @@
                                   -- NEWS --
 
 
+ngIRCd CVS-HEAD
+
+  - Added new configuration variable "Listen" to bind all listening
+    sockets of the server to a single IP address.
+       
 ngIRCd 0.7.1 (2003-07-18)
 
   - Added support for GNU/Hurd.
@@ -165,4 +170,4 @@ ngIRCd 0.0.1, 31.12.2001
 
 
 -- 
-$Id: NEWS,v 1.57 2003/08/30 20:37:15 alex Exp $
+$Id: NEWS,v 1.58 2003/09/11 12:05:28 alex Exp $

diff --git a/doc/sample-ngircd.conf b/doc/sample-ngircd.conf
index ca5c29926403a21db0ccad7c487d958542f19a51..354b54efa7b3fa8cf2789fe9af911023138f1062 100644 (file)
--- a/doc/sample-ngircd.conf
+++ b/doc/sample-ngircd.conf
@@ -1,4 +1,4 @@
-# $Id: sample-ngircd.conf,v 1.22 2003/04/29 12:36:09 alex Exp $
+# $Id: sample-ngircd.conf,v 1.23 2003/09/11 12:05:28 alex Exp $
 
 #
 # This is a sample configuration file for the ngIRCd, which must adept to
@@ -36,6 +36,10 @@
        # Ports on which the server should listen. There may be more than
        # one port, separated with ";". (Default: 6667)
        ;Ports = 6667, 6668, 66694
+
+       # IP address on which the server should listen. (Default: empty,
+       # so the server listens on all IP addresses of the system)
+       ;Listen = 1.2.3.4
        
        # Text file with the "message of the day" (MOTD). This message will
        # be shown to all users connecting to the server:

diff --git a/man/ngircd.conf.5 b/man/ngircd.conf.5
index 56a0e594511a8c5ebb287b175536caa6179c0189..773287a7ee09fb43c0e995a1dfab77f38b448389 100644 (file)
--- a/man/ngircd.conf.5
+++ b/man/ngircd.conf.5
@@ -1,5 +1,5 @@
 .\"
-.\" $Id: ngircd.conf.5,v 1.10 2003/05/02 20:51:42 alex Exp $
+.\" $Id: ngircd.conf.5,v 1.11 2003/09/11 12:05:28 alex Exp $
 .\"
 .TH ngircd.conf 5 "Mai 2003" ngircd "ngIRCd Manual"
 .SH NAME
@@ -67,6 +67,10 @@ command.
 Ports on which the server should listen. There may be more than one port,
 separated with ';'. Default: 6667.
 .TP
+\fBListen\fR
+The ip address on which the server should listen. Default is empty, so
+the server listens on all configured ip addresses and interfaces.
+.TP
 \fBMotdFile\fR
 Text file with the "message of the day" (MOTD). This message will be shown
 to all users connecting to the server.

diff --git a/src/ngircd/conf.c b/src/ngircd/conf.c
index 00b5bb795274a4dc3fa280c5cca4c936fbbb8e89..0abb3c81531c40d791cef63ddc41113f3b1d2b1f 100644 (file)
--- a/src/ngircd/conf.c
+++ b/src/ngircd/conf.c
@@ -14,7 +14,7 @@
 
 #include "portab.h"
 
-static char UNUSED id[] = "$Id: conf.c,v 1.59 2003/04/29 12:36:09 alex Exp $";
+static char UNUSED id[] = "$Id: conf.c,v 1.60 2003/09/11 12:05:28 alex Exp $";
 
 #include "imp.h"
 #include <assert.h>
@@ -120,6 +120,7 @@ Conf_Test( VOID )
                printf( "%u", Conf_ListenPorts[i] );
        }
        puts( "" );
+       printf( "  Listen = %s\n", Conf_ListenAddress );
        pwd = getpwuid( Conf_UID );
        if( pwd ) printf( "  ServerUID = %s\n", pwd->pw_name );
        else printf( "  ServerUID = %ld\n", (LONG)Conf_UID );
@@ -340,6 +341,7 @@ Set_Defaults( BOOLEAN InitServers )
        strlcat( Conf_MotdFile, MOTD_FILE, sizeof( Conf_MotdFile ));
 
        Conf_ListenPorts_Count = 0;
+       strcpy( Conf_ListenAddress, "" );
 
        Conf_UID = Conf_GID = 0;
        
@@ -699,6 +701,15 @@ Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg )
                Conf_MaxJoins = atoi( Arg );
                return;
        }
+       if( strcasecmp( Var, "Listen" ) == 0 )
+       {
+               /* IP-Address to bind sockets */
+               if( strlcpy( Conf_ListenAddress, Arg, sizeof( Conf_ListenAddress )) >= sizeof( Conf_ListenAddress ))
+               {
+                       Config_Error( LOG_WARNING, "%s, line %d: Value of \"Listen\" too long!", NGIRCd_ConfFile, Line );
+                       return;
+               }
+       }
 
        Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
 } /* Handle_GLOBAL */

diff --git a/src/ngircd/conf.h b/src/ngircd/conf.h
index 47784ba40d94c942a8634cc26cdb8c16c9679617..15a7093d433bb08b7033ab2135fdbf691fd47c5c 100644 (file)
--- a/src/ngircd/conf.h
+++ b/src/ngircd/conf.h
@@ -8,7 +8,7 @@
  * (at your option) any later version.
  * Please read the file COPYING, README and AUTHORS for more information.
  *
- * $Id: conf.h,v 1.26 2002/12/31 16:12:50 alex Exp $
+ * $Id: conf.h,v 1.27 2003/09/11 12:05:28 alex Exp $
  *
  * Configuration management (header)
  */
@@ -76,6 +76,9 @@ GLOBAL CHAR Conf_MotdFile[FNAME_LEN];
 GLOBAL UINT Conf_ListenPorts[MAX_LISTEN_PORTS];
 GLOBAL INT Conf_ListenPorts_Count;
 
+/* Address to which the socket should be bound or empty (=all) */
+GLOBAL CHAR Conf_ListenAddress[16];
+
 /* User and group ID the server should run with */
 GLOBAL UINT Conf_UID;
 GLOBAL UINT Conf_GID;

diff --git a/src/ngircd/conn.c b/src/ngircd/conn.c
index 1c16b5da7250cbe094b0c02d818138368b9ca502..56824594e98fc22629b26f8296663b796ba78fb0 100644 (file)
--- a/src/ngircd/conn.c
+++ b/src/ngircd/conn.c
@@ -16,7 +16,7 @@
 
 #include "portab.h"
 
-static char UNUSED id[] = "$Id: conn.c,v 1.124 2003/08/30 20:28:54 alex Exp $";
+static char UNUSED id[] = "$Id: conn.c,v 1.125 2003/09/11 12:05:28 alex Exp $";
 
 #include "imp.h"
 #include <assert.h>
@@ -236,6 +236,7 @@ Conn_NewListener( CONST UINT Port )
        /* Create new listening socket on specified port */
 
        struct sockaddr_in addr;
+       struct in_addr inaddr;
        INT sock;
 #ifdef RENDEZVOUS
        CHAR name[CLIENT_ID_LEN], *info;
@@ -243,9 +244,24 @@ Conn_NewListener( CONST UINT Port )
 
        /* Server-"Listen"-Socket initialisieren */
        memset( &addr, 0, sizeof( addr ));
+       memset( &inaddr, 0, sizeof( inaddr ));
        addr.sin_family = AF_INET;
        addr.sin_port = htons( Port );
-       addr.sin_addr.s_addr = htonl( INADDR_ANY );
+       if( Conf_ListenAddress[0] )
+       {
+#ifdef HAVE_INET_ATON
+               if( inet_aton( Conf_ListenAddress, &inaddr ) == 0 )
+#else
+               inaddr.s_addr = inet_addr( Conf_ListenAddress );
+               if( inaddr.s_addr == (unsigned)-1 )
+#endif
+               {
+                       Log( LOG_CRIT, "Can't listen on %s:%u: can't convert ip address %s!", Conf_ListenAddress, Port, Conf_ListenAddress );
+                       return FALSE;
+               }
+       }
+       else inaddr.s_addr = htonl( INADDR_ANY );
+       addr.sin_addr = inaddr;
 
        /* Socket erzeugen */
        sock = socket( PF_INET, SOCK_STREAM, 0);
@@ -279,7 +295,8 @@ Conn_NewListener( CONST UINT Port )
 
        if( sock > Conn_MaxFD ) Conn_MaxFD = sock;
 
-       Log( LOG_INFO, "Now listening on port %d (socket %d).", Port, sock );
+       if( Conf_ListenAddress[0]) Log( LOG_INFO, "Now listening on %s:%d (socket %d).", Conf_ListenAddress, Port, sock );
+       else Log( LOG_INFO, "Now listening on 0.0.0.0:%d (socket %d).", Port, sock );
 
 #ifdef RENDEZVOUS
        /* Get best server description text */