[Lognorm] Special characters revisited

[James Lay]

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
> 
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> Lognorm at lists.adiscon.com
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Any movement on this?  I'm at an impasse until this is addressed…thank you.

James