Date: Thu, 2 Apr 1998 17:48:01 -0500 (EST) From: Paul Sandys <myj@nyct.net> To: Steve Ames <steve@ns1.cioe.com> Cc: freebsd-isp@FreeBSD.ORG Subject: Re: cistron radius Message-ID: <Pine.BSF.3.96.980402173030.470A-100000@bsd3.nyct.net> In-Reply-To: <199804021648.LAA27181@ns1.cioe.com>
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On Thu, 2 Apr 1998, Steve Ames wrote:
> Date: Thu, 2 Apr 1998 11:48:47 -0500 (EST)
> From: Steve Ames <steve@ns1.cioe.com>
> To: freebsd-isp@FreeBSD.ORG
> Subject: cistron radius
>
>
> Got and installed Ciscron Radius 1.5.4.2. Have a couple of questions
> if anyone out there also uses it...
>
> 1) the /var/log/radutmp file started out working great for the first
> couple of logins and then shot up to 40M and stuff stopped
> working. The 2nd radius process (for accounting?) started eating
> 92% of the CPU and just wouldn't go away. I let it run for maybe
> 15 minutes. Ideas?
I had the same problem. From what I've seen, the acct.c is the problem. It
uses lseek when it deletes users from radutmp file. Here's a snip of the
code:
if (lseek(fd, -sizeof(u), SEEK_CUR) < 0) {
log(L_ERR, "Accounting: negative lseek!\n");
lseek(fd, 0, SEEK_SET);
}
On FreeBSD -sizeof(u) generates 32-bit result, but FreeBSD lseek expects
64-bit offset. Thats why your file grows to (4096MB - 100 bytes). I
changed all -sizeof(u) arguments to -100, and everything seems to be
running fine now for 3 weeks.
>
> 2) I want to use cistron in conjuction with a 3COM Total Control
> system. Anyone got a checklogin script that can do this?
>
Yes, I have one, which uses pmwho command. It has two problems:
1. The multilink ISDN connections are not detected properly, since USR
shows < MPlink: I* > as a username which is hard to match properly.
2. Multiple pmwhos take so long to execute, that radiusd starts to
timeout. I fixed that by bumping up timeout in radiusd.h:
< #define MAX_REQUEST_TIME 30
> #define MAX_REQUEST_TIME 120
> All help appreciated (and needed :)
>
> -Steve
>
>
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P.
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