[Lognorm] Special characters revisited

Wed Jul 4 17:32:16 CEST 2012

> -----Original Message-----
> From: lognorm-bounces at lists.adiscon.com [mailto:lognorm-
> bounces at lists.adiscon.com] On Behalf Of James Lay
> Sent: Wednesday, July 04, 2012 4:10 PM
> To: lognorm
> Subject: Re: [Lognorm] Special characters revisited
> 
> On Jun 13, 2012, at 7:11 AM, James Lay wrote:
> > On May 25, 2012, at 12:44 PM, James Lay wrote:
> >> On Fri, 25 May 2012 12:33:15 -0600, James Lay wrote:
> >>> Hey all!
> >>>
> >>> So...here's where I'm at.  Here's my rulebase:
> >>>
> >>> prefix=
> >>> rule=: %-:word% request discarded from
> >>> %src-ip:ipv4%/%src-port:number% to
> >>> %-:word%:%dst-ip:ipv4%/%dst-port:number%
> >>>
> >>>
> >>> Sample firewall hit (quotes added for clarity):
> >>>
> >>> " TCP request discarded from 96.18.101.250/1077 to Interface:my_ip/443"
> >>>
> >>> and my result:
> >>>
> >>> [cee at 115 originalmsg=" TCP request discarded from 96.18.101.250/1077
> >>> to Interface:my_ip/443" unparsed-data=""]
> >>>
> >>> I've tried the below (thinking the : would be included in word)
> >>> rule=: %-:word% request discarded from
> >>> %src-ip:ipv4%/%src-port:number% to
> >>> %-:word%%dst-ip:ipv4%/%dst-port:number%
> >>>
> >>> And I get the same result.
> >>>
> >>> I've also tried:
> >>> rule=: %-:word% request discarded from
> >>> %src-ip:ipv4%/%src-port:number% to
> >>> Interface:%dst-ip:ipv4%/%dst-port:number%
> >>>
> >>> And this works, so I'm pretty sure it's the : that is my issue.  A
> >>> full -vv below.  Any thoughts on how to get this to go?  Thanks all:
> >>>
> >>> James
> >>>
> >>> liblognorm: read sample line: 'prefix='
> >>> liblognorm: read sample line: 'rule=: %-:word% request discarded from
> >>> %src-ip:ipv4%/%src-port:number% to
> >>> %-:word%:%dst-ip:ipv4%/%dst-port:number%'
> >>> liblognorm: sample line to add: ': %-:word% request discarded from
> >>> %src-ip:ipv4%/%src-port:number% to
> >>> %-:word%:%dst-ip:ipv4%/%dst-port:number%'
> >>>
> >>> liblognorm: addSampToTree 0 of 108
> >>> liblognorm: parsed literal: ' '
> >>> liblognorm: buildPTree: begin at 0x9308030, offs 0
> >>> liblognorm: case 3.1
> >>> liblognorm: addPTree: offs 0
> >>> liblognorm: setPrefix lenBuf 1, offs 0
> >>> liblognorm: addSampToTree 1 of 108
> >>> liblognorm: parsed field: '-'
> >>> liblognorm: got new subtree 0x9308810
> >>> liblognorm: prev subtree 0x9308030
> >>> liblognorm: new subtree 0x9308810
> >>> liblognorm: addSampToTree 9 of 108
> >>> liblognorm: parsed literal: ' request discarded from '
> >>> liblognorm: buildPTree: begin at 0x9308810, offs 0
> >>> liblognorm: case 3.1
> >>> liblognorm: addPTree: offs 0
> >>> liblognorm: setPrefix lenBuf 24, offs 0
> >>> liblognorm: addSampToTree 33 of 108
> >>> liblognorm: parsed field: 'src-ip'
> >>> liblognorm: got new subtree 0x9308ca0
> >>> liblognorm: prev subtree 0x9308810
> >>> liblognorm: new subtree 0x9308ca0
> >>> liblognorm: addSampToTree 46 of 108
> >>> liblognorm: parsed literal: '/'
> >>> liblognorm: buildPTree: begin at 0x9308ca0, offs 0
> >>> liblognorm: case 3.1
> >>> liblognorm: addPTree: offs 0
> >>> liblognorm: setPrefix lenBuf 1, offs 0
> >>> liblognorm: addSampToTree 47 of 108
> >>> liblognorm: parsed field: 'src-port'
> >>> liblognorm: got new subtree 0x9309110
> >>> liblognorm: prev subtree 0x9308ca0
> >>> liblognorm: new subtree 0x9309110
> >>> liblognorm: addSampToTree 64 of 108
> >>> liblognorm: parsed literal: ' to '
> >>> liblognorm: buildPTree: begin at 0x9309110, offs 0
> >>> liblognorm: case 3.1
> >>> liblognorm: addPTree: offs 0
> >>> liblognorm: setPrefix lenBuf 4, offs 0
> >>> liblognorm: addSampToTree 68 of 108
> >>> liblognorm: parsed field: '-'
> >>> liblognorm: got new subtree 0x9309580
> >>> liblognorm: prev subtree 0x9309110
> >>> liblognorm: new subtree 0x9309580
> >>> liblognorm: addSampToTree 76 of 108
> >>> liblognorm: parsed literal: ':'
> >>> liblognorm: buildPTree: begin at 0x9309580, offs 0
> >>> liblognorm: case 3.1
> >>> liblognorm: addPTree: offs 0
> >>> liblognorm: setPrefix lenBuf 1, offs 0
> >>> liblognorm: addSampToTree 77 of 108
> >>> liblognorm: parsed field: 'dst-ip'
> >>> liblognorm: got new subtree 0x93099f0
> >>> liblognorm: prev subtree 0x9309580
> >>> liblognorm: new subtree 0x93099f0
> >>> liblognorm: addSampToTree 90 of 108
> >>> liblognorm: parsed literal: '/'
> >>> liblognorm: buildPTree: begin at 0x93099f0, offs 0
> >>> liblognorm: case 3.1
> >>> liblognorm: addPTree: offs 0
> >>> liblognorm: setPrefix lenBuf 1, offs 0
> >>> liblognorm: addSampToTree 91 of 108
> >>> liblognorm: parsed field: 'dst-port'
> >>> liblognorm: got new subtree 0x9309e60
> >>> liblognorm: prev subtree 0x93099f0
> >>> liblognorm: new subtree 0x9309e60
> >>> liblognorm: end addSampToTree 108 of 108
> >>> number of tree nodes: 7
> >>> To normalize: ' TCP request discarded from 96.18.101.250/1077 to
> >>> Interface:my_ip/443'
> >>> liblognorm: 0: prefix compare ' ', ' '
> >>> liblognorm: 1: prefix compare succeeded, still valid
> >>> liblognorm: 1:trying parser for field '-': 0xb786c450
> >>> liblognorm: potential hit, trying subtree
> >>> liblognorm: 4: prefix compare ' ', ' '
> >>> liblognorm: 5: prefix compare 'r', 'r'
> >>> liblognorm: 6: prefix compare 'e', 'e'
> >>> liblognorm: 7: prefix compare 'q', 'q'
> >>> liblognorm: 8: prefix compare 'u', 'u'
> >>> liblognorm: 9: prefix compare 'e', 'e'
> >>> liblognorm: 10: prefix compare 's', 's'
> >>> liblognorm: 11: prefix compare 't', 't'
> >>> liblognorm: 12: prefix compare ' ', ' '
> >>> liblognorm: 13: prefix compare 'd', 'd'
> >>> liblognorm: 14: prefix compare 'i', 'i'
> >>> liblognorm: 15: prefix compare 's', 's'
> >>> liblognorm: 16: prefix compare 'c', 'c'
> >>> liblognorm: 17: prefix compare 'a', 'a'
> >>> liblognorm: 18: prefix compare 'r', 'r'
> >>> liblognorm: 19: prefix compare 'd', 'd'
> >>> liblognorm: 20: prefix compare 'e', 'e'
> >>> liblognorm: 21: prefix compare 'd', 'd'
> >>> liblognorm: 22: prefix compare ' ', ' '
> >>> liblognorm: 23: prefix compare 'f', 'f'
> >>> liblognorm: 24: prefix compare 'r', 'r'
> >>> liblognorm: 25: prefix compare 'o', 'o'
> >>> liblognorm: 26: prefix compare 'm', 'm'
> >>> liblognorm: 27: prefix compare ' ', ' '
> >>> liblognorm: 28: prefix compare succeeded, still valid
> >>> liblognorm: 28:trying parser for field 'src-ip': 0xb786bdb0
> >>> liblognorm: potential hit, trying subtree
> >>> liblognorm: 41: prefix compare '/', '/'
> >>> liblognorm: 42: prefix compare succeeded, still valid
> >>> liblognorm: 42:trying parser for field 'src-port': 0xb786c510
> >>> liblognorm: potential hit, trying subtree
> >>> liblognorm: 46: prefix compare ' ', ' '
> >>> liblognorm: 47: prefix compare 't', 't'
> >>> liblognorm: 48: prefix compare 'o', 'o'
> >>> liblognorm: 49: prefix compare ' ', ' '
> >>> liblognorm: 50: prefix compare succeeded, still valid
> >>> liblognorm: 50:trying parser for field '-': 0xb786c450
> >>> liblognorm: potential hit, trying subtree
> >>> liblognorm: 74 returns -1
> >>> liblognorm: 50 nonmatch, backtracking required, left=-1
> >>> liblognorm: 50 no field, trying subtree char 'I': (nil)
> >>> liblognorm: 50 returns -1
> >>> liblognorm: 42 nonmatch, backtracking required, left=-1
> >>> liblognorm: 42 no field, trying subtree char '1': (nil)
> >>> liblognorm: 42 returns -1
> >>> liblognorm: 28 nonmatch, backtracking required, left=-1
> >>> liblognorm: 28 no field, trying subtree char '9': (nil)
> >>> liblognorm: 28 returns -1
> >>> liblognorm: 1 nonmatch, backtracking required, left=-1
> >>> liblognorm: 1 no field, trying subtree char 'T': (nil)
> >>> liblognorm: 1 returns -1
> >>> liblognorm: final result for normalizer: left -1, endNode 0x9309580
> >>> normalized: '[cee at 115 originalmsg=" TCP request discarded from
> >>> 96.18.101.250/1077 to Interface:my_ip/443" unparsed-data=""]'
> >>> [cee at 115 originalmsg=" TCP request discarded from 96.18.101.250/1077
> >>> to Interface:my_ip/443" unparsed-data=""]
> >>>
> >>> _______________________________________________
> >>> Lognorm mailing list
> >>> Lognorm at lists.adiscon.com
> >>> http://lists.adiscon.net/mailman/listinfo/lognorm
> >>
> >> An interesting tidbit...with the below:
> >>
> >>
> >> " TCP request discarded from 96.18.101.250/1077 to 1234:my_ip/443"
> >>
> >> and
> >>
> >> rule=: %-:word% request discarded from %src-ip:ipv4%/%src-port:number%
> to %-:number%:%dst-ip:ipv4%/%dst-port:number%
> >>
> >> This works and correctly processes.  Hope that helps.
> >>
> >> James
> >>
> >> _______________________________________________
> >> Lognorm mailing list
> >> Lognorm at lists.adiscon.com
> >> http://lists.adiscon.net/mailman/listinfo/lognorm
> >
> > Any movement on this?  I'm at an impasse until this is addressed...thank you.
> >
> > James
> > _______________________________________________
> > Lognorm mailing list
> > Lognorm at lists.adiscon.com
> > http://lists.adiscon.net/mailman/listinfo/lognorm
> 
> Would have been nice to at least get some response of some kind on this...

Oh, damn, sorry - I have totally lost track of this. I need to look at another issue today, but will try to tweak it in between the other stuff ASAP.

Rainer