[rancid] Re: Netscreen: nlogin file 'set console page 0'
john heasley
heas at shrubbery.net
Fri Nov 14 00:32:13 UTC 2008
Wed, Nov 12, 2008 at 01:33:42PM -0500, Atif.SIDDIQUI at HydroOne.com:
> Mike,
>
> Thanks for the help here. This is the exact solution I was looking for.
Are you confirming that this works reliably?
> Atif
>
> -----Original Message-----
> From: Skinner, Michael [mailto:Michael.Skinner at virginmedia.co.uk]
> Sent: Wednesday, November 12, 2008 5:37 AM
> To: rancid-discuss at shrubbery.net
> Cc: john heasley; SIDDIQUI Atif
> Subject: RE: [rancid] Re: Netscreen: nlogin file 'set console page 0'
>
> It is possible for rancid to deal with the pager on netscreens. In my
> infrastructure rancid has read only accounts on devices, so has no
> ability to edit the console page, it gets on fine... admittedly I had to
> hack the code a bit, as the build in read-only support was broken.
>
> Problem and fix when originally discovered:
> http://www.shrubbery.net/pipermail/rancid-discuss/2007-May/002224.html
>
> Paul Zimmerman took the trouble to tidy this up further, details at
> bottom of email
>
> There is no reason this method couldn't be used for read/write accounts.
>
> Mike
>
>
> [rancid at caillez ~/local/libexec/rancid]$ sccs diffs -C8 -r1.2 nrancid
>
> ------- nrancid -------
> *** - Mon Jul 23 09:20:57 2007
> --- nrancid Mon Jul 23 09:17:18 2007
> ***************
> *** 141,160 ****
> }
>
> # This routine parses "get system"
> sub GetSystem {
> print STDERR " In GetSystem: $_" if ($debug);
>
> while (<INPUT>) {
> tr/\015//d;
> next if /^\s*$/;
> last if(/$prompt/);
> - # throw away the pager lines
> - next if /^--- more ---/;
>
> /^Serial Number: (\d+), Control Number: \d+$/ &&
> ProcessHistory("SYSTEM","","", "!SN: $1\n") && next;
> /^Product Name: (\S+)$/ &&
> ProcessHistory("SYSTEM","","", "!Product: $1\n") &&
> next;
> /^Hardware Version: (\S+), / &&
> ProcessHistory("SYSTEM","","", "!HW: $1\n") && next;
> /^Software Version: (\S+), Type: (\S+)$/ &&
> --- 141,160 ----
> }
>
> # This routine parses "get system"
> sub GetSystem {
> print STDERR " In GetSystem: $_" if ($debug);
>
> while (<INPUT>) {
> tr/\015//d;
> + # throw away the pager text
> + s/^--- more ---( \x08|\x08)*//;
> next if /^\s*$/;
> last if(/$prompt/);
>
> /^Serial Number: (\d+), Control Number: \d+$/ &&
> ProcessHistory("SYSTEM","","", "!SN: $1\n") && next;
> /^Product Name: (\S+)$/ &&
> ProcessHistory("SYSTEM","","", "!Product: $1\n") &&
> next;
> /^Hardware Version: (\S+), / &&
> ProcessHistory("SYSTEM","","", "!HW: $1\n") && next;
> /^Software Version: (\S+), Type: (\S+)$/ &&
> ***************
> *** 179,199 ****
> ProcessHistory("FILE","","","!\n");
> return(0);
> }
>
> sub GetConf {
> print STDERR " In GetConf: $_" if ($debug);
> while (<INPUT>) {
> tr/\015//d;
> next if /^\s*$/;
> next if /^Total Config.+$/i;
> last if(/$prompt/);
> - # throw away the pager lines
> - next if /^--- more ---/;
>
> if (/^set admin name "(\S+)"$/ && $filter_pwds >= 1) {
> ProcessHistory("ADMIN","","","!set admin name <removed>
> \n");
> next;
> }
> if (/^set admin password (\S+)$/ && $filter_pwds >= 1) {
> ProcessHistory("ADMIN","","","!set admin password
> <removed>\n");
> next;
> --- 179,199 ----
> ProcessHistory("FILE","","","!\n");
> return(0);
> }
>
> sub GetConf {
> print STDERR " In GetConf: $_" if ($debug);
> while (<INPUT>) {
> tr/\015//d;
> + # throw away the pager text
> + s/^--- more ---( \x08|\x08)*//;
> next if /^\s*$/;
> next if /^Total Config.+$/i;
> last if(/$prompt/);
>
> if (/^set admin name "(\S+)"$/ && $filter_pwds >= 1) {
> ProcessHistory("ADMIN","","","!set admin name <removed>
> \n");
> next;
> }
> if (/^set admin password (\S+)$/ && $filter_pwds >= 1) {
> ProcessHistory("ADMIN","","","!set admin password
> <removed>\n");
> next;
>
>
>
> -----Original Message-----
> From: rancid-discuss-bounces at shrubbery.net
> [mailto:rancid-discuss-bounces at shrubbery.net] On Behalf Of john heasley
> Sent: 12 November 2008 02:01
> To: Atif.SIDDIQUI at HydroOne.com
> Cc: rancid-discuss at shrubbery.net
> Subject: [rancid] Re: Netscreen: nlogin file 'set console page 0'
>
> Tue, Nov 11, 2008 at 05:57:41PM -0500, Atif.SIDDIQUI at HydroOne.com:
> > I found this patch: config change;
> >
> >
> >
> > but we should be able to put in the page only for that vty sessionnot
>
> > affecting all the users and config;
> >
> > As RANCID does not save the config after doing the following steps;
> > other users always get a message to save the config or not; even
> > though they have not change anything; it was because RANCID added "set
>
> > console 0" then unset it cause the config changes. Can we have a
> workaround.
>
> That does not seem to be a very good fix. If another user happens to be
> logged-in when rancid runs, the pager will be disabled AND if another
> user re-enables the pager it will confuse nlogin, possibly causing it to
> hang (thus more emails about problems collecting...).
>
> A better fix, assuming this is still a global knob, is to deal with the
> pager, if possible.
> _______________________________________________
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> Rancid-discuss at shrubbery.net
> http://www.shrubbery.net/mailman/listinfo.cgi/rancid-discuss
>
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