[External] Re: [Xymon] can I put enadis into debug mode?

[Rothlisberger, John R.]

Yes, this server is behind a reverse proxy.

I applied the patches but still can't get either of them to work.

Thanks,
John

-----Original Message-----
From: René Vermare <rene at vermare.net>
Sent: Wednesday, September 11, 2019 5:31 PM
To: J.C. Cleaver <cleaver at terabithia.org>
Cc: Rothlisberger, John R. <john.r.rothlisberger at accenture.com>; xymon at xymon.com
Subject: [External] Re: [Xymon] can I put enadis into debug mode?

This message is from an EXTERNAL SENDER - be CAUTIOUS, particularly with links and attachments.

Are you behind a (reverse) proxy-server?

I had also a problem with it, my solution was this (small) patch;





--- a/web/enadis.c      2019-07-23 17:29:06.000000000 +0200

+++ b/web/enadis.c      2019-09-11 01:06:33.283642013 +0200

@@ -332,7 +332,8 @@

        int argi, i;

        char *username = getenv("REMOTE_USER");

        char *userhost = getenv("REMOTE_HOST");

-       char *userip   = getenv("REMOTE_ADDR");

+       char *userip   = getenv("HTTP_X_FORWARDED_FOR");

+       if (userip == NULL) userip = getenv("REMOTE_ADDR");

        SBUF_DEFINE(fullmsg);

        char *envarea = NULL;

        int  obeycookies = 1;

--- a/web/acknowledge.c 2019-07-23 17:29:06.000000000 +0200

+++ b/web/acknowledge.c 2019-09-11 01:01:55.493676233 +0200

@@ -374,7 +374,8 @@



                parse_query();

                if (getenv("REMOTE_USER")) {

-                       char *remaddr = getenv("REMOTE_ADDR");

+                       char *remaddr = getenv("HTTP_X_FORWARDED_FOR");

+                       if (remaddr == NULL) remaddr =

getenv("REMOTE_ADDR");



                        SBUF_MALLOC(acking_user, 1024 +

strlen(getenv("REMOTE_USER")) + (remaddr ? strlen(remaddr) : 0));

                        snprintf(acking_user, acking_user_buflen,

"\nAcked by: %s", getenv("REMOTE_USER"));





Ciao,



René





Op woensdag 11-09-2019 om 15:23 uur [tijdzone -0700], schreef J.C.

Cleaver:

> On Wed, September 11, 2019 8:38 am, Rothlisberger, John R. wrote:

> > We are having issues with acknowledge.sh & enadis.sh since upgrading to

> > 4.3.29 and then to 4.3.30 on Ubuntu 16.04.

> >

> > For enadis.sh we do get the following error in the apache log:

> > 2019-09-11 16:34:23.901080 Enadis POST that is not coming from self or

> > svcstatus (referer=https://urldefense.proofpoint.com/v2/url?u=https-3A__xymonserver_xymon-2Dseccgi_enadis.sh&d=DwIDaQ&c=eIGjsITfXP_y-DLLX0uEHXJvU8nOHrUK8IrwNKOtkVU&r=u6KtIBCRNAeN-AbgJjdZe5zZJVFEfq04dnWD-hYNPL_fxJIIFncbL8W6k0NMJtuq&m=47_Fg2P5NnCXjeGZ91uSE0ewHpC0t5NqqX7jlLgzfCA&s=J0cuUTaz0-BmSTtX5xqLeSToSiypwAAC96As47W7POw&e= ). Ignoring.

> >

> > How can we enable debugging on enadis and have that dump to a file?

> >

> >

>

> Unfortunately, it's not quite as easy as it used to be when we were using

> shell-based wrappers about the C programs.

>

> You can pass "--debug" as an option to the CGI_ENADIS_OPTS variable in

> /etc/xymon/cgioptions.cfg , however. If the error appears to be happening

> early in the CGI process (before headers are generated), you can also set

> CGIDEBUG=1

>

> For the issue in question, it seems like the XSS checking is not working

> properly or the referer information is somehow being stripped. Are there

> any unusual CSP changes in your apache configuration, or do you have

> mod_security enabled by any chance?

>

> -jc

>

> _______________________________________________

> Xymon mailing list

> Xymon at xymon.com

> https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.xymon.com_mailman_listinfo_xymon&d=DwIDaQ&c=eIGjsITfXP_y-DLLX0uEHXJvU8nOHrUK8IrwNKOtkVU&r=u6KtIBCRNAeN-AbgJjdZe5zZJVFEfq04dnWD-hYNPL_fxJIIFncbL8W6k0NMJtuq&m=47_Fg2P5NnCXjeGZ91uSE0ewHpC0t5NqqX7jlLgzfCA&s=z70877tsNZQ12zdYLp9eQxmXGmHW6DlKsTHrQePbsQU&e=



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@vermare.net




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