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Date:	Sun, 13 May 2001 16:40:19 +0200 (MEST)
From:	Alexander Gottwald <Alexander DOT Gottwald AT informatik DOT tu-chemnitz DOT de>
To:	Alexander Gottwald <Alexander DOT Gottwald AT informatik DOT tu-chemnitz DOT de>
Cc:	Muthukumar G <kmuthu AT hotmail DOT com>, cygwin-xfree AT cygwin DOT com,
	cygwin AT cygwin DOT com
Subject:	Re: XDMCP No valid address (Win98SE)
In-Reply-To:	<Pine.LNX.4.21.0105111931330.1710-100000@lupus.ago.vpn>
Message-ID:	<Pine.LNX.4.21.0105131632470.967-100000@lupus.ago.vpn>
MIME-Version:	1.0

On Fri, 11 May 2001, Alexander Gottwald wrote:

> Here is the main problem. On server initialization, all known interfaces
> are registered to xdmcp. Normally there would be at least two other entries
> with ifname = eth0. 
> The error seems to be in a cygwin ioctl function. The code which calls
> t is in os/access.c and is (roughly) this.
> 
> int fd = fopen("/dev/ip",O_RDWR, 0);
> ifnet.ib_next=1;
> while (ifnet.ib_next) {
>     str.ic_cmd = IPIOC_GETIPB;
>     str.ic_dp = (char *) &ifnet;
>     ioctl(fd,I_STR, &str);
> }
I just checked the code and noticed, I've looked in the wrong place. The
real iterface detection code is based on ioctl(fd,SIOCGIFCONF,pointer).

> 
> In some cases, the ioctl will only work for the loopback device. Maybe some
> of those who are familar with the cygwin network code can give me a hint.


-- 
Alexander DOT Gottwald AT informatik DOT tu-chemnitz DOT de
http://www.gotti.org
+49 3725 3498080


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