Date: Fri, 1 Nov 2002 19:14:11 +0100 From: Marco Molteni <molter@tin.it> To: FreeBSD-gnats-submit@FreeBSD.org Subject: ports/44811: [UPDATE] net/tightvnc Message-ID: <20021101181411.38467.qmail@cobweb.example.org>
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>Number: 44811
>Category: ports
>Synopsis: [UPDATE] net/tightvnc
>Confidential: no
>Severity: non-critical
>Priority: medium
>Responsible: freebsd-ports
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: update
>Submitter-Id: current-users
>Arrival-Date: Fri Nov 01 10:20:00 PST 2002
>Closed-Date:
>Last-Modified:
>Originator: Marco Molteni
>Release: FreeBSD 4.7-RC i386
>Organization:
Citello Networks
>Environment:
>Description:
The Xvnc server of port net/tightvnc fails to bind to an address when
invoked with the -localhost or -interface options.
This means that one cannot force the connections to the server to be
only thru SSH port forwarding, degrading system security.
Following easy patch fixes the problem. I also sent the patch to
the tightvnc developers.
>How-To-Repeat:
[note that vncserver is a wrapper for Xvnc]
$ vncserver -localhost
or
$ vncserver -interface <ipaddress>
>Fix:
Put following patch in
net/tightvnc/files/patch-Xvnc::programs::Xserver::hw::vnc::sockets.c
You may also want to bump the revision number in the port Makefile.
--- Xvnc/programs/Xserver/hw/vnc/sockets.c Tue Mar 19 18:59:22 2002
+++ Xvnc/programs/Xserver/hw/vnc/sockets.c Fri Nov 1 18:03:02 2002
@@ -38,6 +38,7 @@
*/
#include <stdio.h>
+#include <string.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
@@ -491,6 +492,7 @@
int sock;
int one = 1;
+ memset(&addr, 0, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = interface.s_addr;
>Release-Note:
>Audit-Trail:
>Unformatted:
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